Merge pull request #7255 from german77/kraken

Project Kraken: Input rewrite

src/common/CMakeLists.txt

@@ -73,6 +73,7 @@ add_library(common STATIC
     hex_util.h
     host_memory.cpp
     host_memory.h
+    input.h
     intrusive_red_black_tree.h
     literals.h
     logging/backend.cpp

src/common/input.h

@@ -0,0 +1,372 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <functional>
+#include <memory>
+#include <string>
+#include <unordered_map>
+#include <utility>
+#include "common/logging/log.h"
+#include "common/param_package.h"
+#include "common/uuid.h"
+
+namespace Common::Input {
+
+// Type of data that is expected to recieve or send
+enum class InputType {
+    None,
+    Battery,
+    Button,
+    Stick,
+    Analog,
+    Trigger,
+    Motion,
+    Touch,
+    Color,
+    Vibration,
+    Nfc,
+    Ir,
+};
+
+// Internal battery charge level
+enum class BatteryLevel : u32 {
+    None,
+    Empty,
+    Critical,
+    Low,
+    Medium,
+    Full,
+    Charging,
+};
+
+enum class PollingMode {
+    // Constant polling of buttons, analogs and motion data
+    Active,
+    // Only update on button change, digital analogs
+    Pasive,
+    // Enable near field communication polling
+    NFC,
+    // Enable infrared camera polling
+    IR,
+};
+
+// Vibration reply from the controller
+enum class VibrationError {
+    None,
+    NotSupported,
+    Disabled,
+    Unknown,
+};
+
+// Polling mode reply from the controller
+enum class PollingError {
+    None,
+    NotSupported,
+    Unknown,
+};
+
+// Hint for amplification curve to be used
+enum class VibrationAmplificationType {
+    Linear,
+    Exponential,
+};
+
+// Analog properties for calibration
+struct AnalogProperties {
+    // Anything below this value will be detected as zero
+    float deadzone{};
+    // Anyting above this values will be detected as one
+    float range{1.0f};
+    // Minimum value to be detected as active
+    float threshold{0.5f};
+    // Drift correction applied to the raw data
+    float offset{};
+    // Invert direction of the sensor data
+    bool inverted{};
+};
+
+// Single analog sensor data
+struct AnalogStatus {
+    float value{};
+    float raw_value{};
+    AnalogProperties properties{};
+};
+
+// Button data
+struct ButtonStatus {
+    Common::UUID uuid{};
+    bool value{};
+    bool inverted{};
+    bool toggle{};
+    bool locked{};
+};
+
+// Internal battery data
+using BatteryStatus = BatteryLevel;
+
+// Analog and digital joystick data
+struct StickStatus {
+    Common::UUID uuid{};
+    AnalogStatus x{};
+    AnalogStatus y{};
+    bool left{};
+    bool right{};
+    bool up{};
+    bool down{};
+};
+
+// Analog and digital trigger data
+struct TriggerStatus {
+    Common::UUID uuid{};
+    AnalogStatus analog{};
+    ButtonStatus pressed{};
+};
+
+// 3D vector representing motion input
+struct MotionSensor {
+    AnalogStatus x{};
+    AnalogStatus y{};
+    AnalogStatus z{};
+};
+
+// Motion data used to calculate controller orientation
+struct MotionStatus {
+    // Gyroscope vector measurement in radians/s.
+    MotionSensor gyro{};
+    // Acceleration vector measurement in G force
+    MotionSensor accel{};
+    // Time since last measurement in microseconds
+    u64 delta_timestamp{};
+    // Request to update after reading the value
+    bool force_update{};
+};
+
+// Data of a single point on a touch screen
+struct TouchStatus {
+    ButtonStatus pressed{};
+    AnalogStatus x{};
+    AnalogStatus y{};
+    int id{};
+};
+
+// Physical controller color in RGB format
+struct BodyColorStatus {
+    u32 body{};
+    u32 buttons{};
+};
+
+// HD rumble data
+struct VibrationStatus {
+    f32 low_amplitude{};
+    f32 low_frequency{};
+    f32 high_amplitude{};
+    f32 high_frequency{};
+    VibrationAmplificationType type;
+};
+
+// Physical controller LED pattern
+struct LedStatus {
+    bool led_1{};
+    bool led_2{};
+    bool led_3{};
+    bool led_4{};
+};
+
+// List of buttons to be passed to Qt that can be translated
+enum class ButtonNames {
+    Undefined,
+    Invalid,
+    // This will display the engine name instead of the button name
+    Engine,
+    // This will display the button by value instead of the button name
+    Value,
+    ButtonLeft,
+    ButtonRight,
+    ButtonDown,
+    ButtonUp,
+    TriggerZ,
+    TriggerR,
+    TriggerL,
+    ButtonA,
+    ButtonB,
+    ButtonX,
+    ButtonY,
+    ButtonStart,
+
+    // DS4 button names
+    L1,
+    L2,
+    L3,
+    R1,
+    R2,
+    R3,
+    Circle,
+    Cross,
+    Square,
+    Triangle,
+    Share,
+    Options,
+};
+
+// Callback data consisting of an input type and the equivalent data status
+struct CallbackStatus {
+    InputType type{InputType::None};
+    ButtonStatus button_status{};
+    StickStatus stick_status{};
+    AnalogStatus analog_status{};
+    TriggerStatus trigger_status{};
+    MotionStatus motion_status{};
+    TouchStatus touch_status{};
+    BodyColorStatus color_status{};
+    BatteryStatus battery_status{};
+    VibrationStatus vibration_status{};
+};
+
+// Triggered once every input change
+struct InputCallback {
+    std::function<void(CallbackStatus)> on_change;
+};
+
+/// An abstract class template for an input device (a button, an analog input, etc.).
+class InputDevice {
+public:
+    virtual ~InputDevice() = default;
+
+    // Request input device to update if necessary
+    virtual void SoftUpdate() {
+        return;
+    }
+
+    // Force input device to update data regardless of the current state
+    virtual void ForceUpdate() {
+        return;
+    }
+
+    // Sets the function to be triggered when input changes
+    void SetCallback(InputCallback callback_) {
+        callback = std::move(callback_);
+    }
+
+    // Triggers the function set in the callback
+    void TriggerOnChange(CallbackStatus status) {
+        if (callback.on_change) {
+            callback.on_change(status);
+        }
+    }
+
+private:
+    InputCallback callback;
+};
+
+/// An abstract class template for an output device (rumble, LED pattern, polling mode).
+class OutputDevice {
+public:
+    virtual ~OutputDevice() = default;
+
+    virtual void SetLED([[maybe_unused]] LedStatus led_status) {
+        return;
+    }
+
+    virtual VibrationError SetVibration([[maybe_unused]] VibrationStatus vibration_status) {
+        return VibrationError::NotSupported;
+    }
+
+    virtual PollingError SetPollingMode([[maybe_unused]] PollingMode polling_mode) {
+        return PollingError::NotSupported;
+    }
+};
+
+/// An abstract class template for a factory that can create input devices.
+template <typename InputDeviceType>
+class Factory {
+public:
+    virtual ~Factory() = default;
+    virtual std::unique_ptr<InputDeviceType> Create(const Common::ParamPackage&) = 0;
+};
+
+namespace Impl {
+
+template <typename InputDeviceType>
+using FactoryListType = std::unordered_map<std::string, std::shared_ptr<Factory<InputDeviceType>>>;
+
+template <typename InputDeviceType>
+struct FactoryList {
+    static FactoryListType<InputDeviceType> list;
+};
+
+template <typename InputDeviceType>
+FactoryListType<InputDeviceType> FactoryList<InputDeviceType>::list;
+
+} // namespace Impl
+
+/**
+ * Registers an input device factory.
+ * @tparam InputDeviceType the type of input devices the factory can create
+ * @param name the name of the factory. Will be used to match the "engine" parameter when creating
+ *     a device
+ * @param factory the factory object to register
+ */
+template <typename InputDeviceType>
+void RegisterFactory(const std::string& name, std::shared_ptr<Factory<InputDeviceType>> factory) {
+    auto pair = std::make_pair(name, std::move(factory));
+    if (!Impl::FactoryList<InputDeviceType>::list.insert(std::move(pair)).second) {
+        LOG_ERROR(Input, "Factory '{}' already registered", name);
+    }
+}
+
+/**
+ * Unregisters an input device factory.
+ * @tparam InputDeviceType the type of input devices the factory can create
+ * @param name the name of the factory to unregister
+ */
+template <typename InputDeviceType>
+void UnregisterFactory(const std::string& name) {
+    if (Impl::FactoryList<InputDeviceType>::list.erase(name) == 0) {
+        LOG_ERROR(Input, "Factory '{}' not registered", name);
+    }
+}
+
+/**
+ * Create an input device from given paramters.
+ * @tparam InputDeviceType the type of input devices to create
+ * @param params a serialized ParamPackage string that contains all parameters for creating the
+ * device
+ */
+template <typename InputDeviceType>
+std::unique_ptr<InputDeviceType> CreateDeviceFromString(const std::string& params) {
+    const Common::ParamPackage package(params);
+    const std::string engine = package.Get("engine", "null");
+    const auto& factory_list = Impl::FactoryList<InputDeviceType>::list;
+    const auto pair = factory_list.find(engine);
+    if (pair == factory_list.end()) {
+        if (engine != "null") {
+            LOG_ERROR(Input, "Unknown engine name: {}", engine);
+        }
+        return std::make_unique<InputDeviceType>();
+    }
+    return pair->second->Create(package);
+}
+
+/**
+ * Create an input device from given paramters.
+ * @tparam InputDeviceType the type of input devices to create
+ * @param A ParamPackage that contains all parameters for creating the device
+ */
+template <typename InputDeviceType>
+std::unique_ptr<InputDeviceType> CreateDevice(const Common::ParamPackage package) {
+    const std::string engine = package.Get("engine", "null");
+    const auto& factory_list = Impl::FactoryList<InputDeviceType>::list;
+    const auto pair = factory_list.find(engine);
+    if (pair == factory_list.end()) {
+        if (engine != "null") {
+            LOG_ERROR(Input, "Unknown engine name: {}", engine);
+        }
+        return std::make_unique<InputDeviceType>();
+    }
+    return pair->second->Create(package);
+}
+
+} // namespace Common::Input

src/common/settings.h

@@ -6,7 +6,6 @@
 
 #include <algorithm>
 #include <array>
-#include <atomic>
 #include <map>
 #include <optional>
 #include <string>
@@ -560,25 +559,19 @@ struct Values {
     Setting<bool> enable_accurate_vibrations{false, "enable_accurate_vibrations"};
 
     Setting<bool> motion_enabled{true, "motion_enabled"};
-    BasicSetting<std::string> motion_device{"engine:motion_emu,update_period:100,sensitivity:0.01",
-                                            "motion_device"};
     BasicSetting<std::string> udp_input_servers{"127.0.0.1:26760", "udp_input_servers"};
+    BasicSetting<bool> enable_udp_controller{false, "enable_udp_controller"};
 
     BasicSetting<bool> pause_tas_on_load{true, "pause_tas_on_load"};
     BasicSetting<bool> tas_enable{false, "tas_enable"};
     BasicSetting<bool> tas_loop{false, "tas_loop"};
-    BasicSetting<bool> tas_swap_controllers{true, "tas_swap_controllers"};
 
     BasicSetting<bool> mouse_panning{false, "mouse_panning"};
     BasicRangedSetting<u8> mouse_panning_sensitivity{10, 1, 100, "mouse_panning_sensitivity"};
     BasicSetting<bool> mouse_enabled{false, "mouse_enabled"};
-    std::string mouse_device;
-    MouseButtonsRaw mouse_buttons;
 
     BasicSetting<bool> emulate_analog_keyboard{false, "emulate_analog_keyboard"};
     BasicSetting<bool> keyboard_enabled{false, "keyboard_enabled"};
-    KeyboardKeysRaw keyboard_keys;
-    KeyboardModsRaw keyboard_mods;
 
     BasicSetting<bool> debug_pad_enabled{false, "debug_pad_enabled"};
     ButtonsRaw debug_pad_buttons;
@@ -586,14 +579,11 @@ struct Values {
 
     TouchscreenInput touchscreen;
 
-    BasicSetting<bool> use_touch_from_button{false, "use_touch_from_button"};
     BasicSetting<std::string> touch_device{"min_x:100,min_y:50,max_x:1800,max_y:850",
                                            "touch_device"};
     BasicSetting<int> touch_from_button_map_index{0, "touch_from_button_map"};
     std::vector<TouchFromButtonMap> touch_from_button_maps;
 
-    std::atomic_bool is_device_reload_pending{true};
-
     // Data Storage
     BasicSetting<bool> use_virtual_sd{true, "use_virtual_sd"};
     BasicSetting<bool> gamecard_inserted{false, "gamecard_inserted"};

src/common/settings_input.h

@@ -62,11 +62,22 @@ enum Values : int {
 
 constexpr int STICK_HID_BEGIN = LStick;
 constexpr int STICK_HID_END = NumAnalogs;
-constexpr int NUM_STICKS_HID = NumAnalogs;
 
 extern const std::array<const char*, NumAnalogs> mapping;
 } // namespace NativeAnalog
 
+namespace NativeTrigger {
+enum Values : int {
+    LTrigger,
+    RTrigger,
+
+    NumTriggers,
+};
+
+constexpr int TRIGGER_HID_BEGIN = LTrigger;
+constexpr int TRIGGER_HID_END = NumTriggers;
+} // namespace NativeTrigger
+
 namespace NativeVibration {
 enum Values : int {
     LeftVibrationDevice,
@@ -115,10 +126,20 @@ constexpr int NUM_MOUSE_HID = NumMouseButtons;
 extern const std::array<const char*, NumMouseButtons> mapping;
 } // namespace NativeMouseButton
 
+namespace NativeMouseWheel {
+enum Values {
+    X,
+    Y,
+
+    NumMouseWheels,
+};
+
+extern const std::array<const char*, NumMouseWheels> mapping;
+} // namespace NativeMouseWheel
+
 namespace NativeKeyboard {
 enum Keys {
     None,
-    Error,
 
     A = 4,
     B,
@@ -156,22 +177,22 @@ enum Keys {
     N8,
     N9,
     N0,
-    Enter,
+    Return,
     Escape,
     Backspace,
     Tab,
     Space,
     Minus,
-    Equal,
-    LeftBrace,
-    RightBrace,
-    Backslash,
+    Plus,
+    OpenBracket,
+    CloseBracket,
+    Pipe,
     Tilde,
     Semicolon,
-    Apostrophe,
-    Grave,
+    Quote,
+    Backquote,
     Comma,
-    Dot,
+    Period,
     Slash,
     CapsLockKey,
 
@@ -188,7 +209,7 @@ enum Keys {
     F11,
     F12,
 
-    SystemRequest,
+    PrintScreen,
     ScrollLockKey,
     Pause,
     Insert,
@@ -257,8 +278,18 @@ enum Keys {
     ScrollLockActive,
     KPComma,
 
-    KPLeftParenthesis,
-    KPRightParenthesis,
+    Ro = 0x87,
+    KatakanaHiragana,
+    Yen,
+    Henkan,
+    Muhenkan,
+    NumPadCommaPc98,
+
+    HangulEnglish = 0x90,
+    Hanja,
+    KatakanaKey,
+    HiraganaKey,
+    ZenkakuHankaku,
 
     LeftControlKey = 0xE0,
     LeftShiftKey,
@@ -307,6 +338,8 @@ enum Modifiers {
     CapsLock,
     ScrollLock,
     NumLock,
+    Katakana,
+    Hiragana,
 
     NumKeyboardMods,
 };
@@ -324,11 +357,6 @@ constexpr int NUM_KEYBOARD_MODS_HID = NumKeyboardMods;
 using AnalogsRaw = std::array<std::string, NativeAnalog::NumAnalogs>;
 using ButtonsRaw = std::array<std::string, NativeButton::NumButtons>;
 using MotionsRaw = std::array<std::string, NativeMotion::NumMotions>;
-using VibrationsRaw = std::array<std::string, NativeVibration::NumVibrations>;
-
-using MouseButtonsRaw = std::array<std::string, NativeMouseButton::NumMouseButtons>;
-using KeyboardKeysRaw = std::array<std::string, NativeKeyboard::NumKeyboardKeys>;
-using KeyboardModsRaw = std::array<std::string, NativeKeyboard::NumKeyboardMods>;
 
 constexpr u32 JOYCON_BODY_NEON_RED = 0xFF3C28;
 constexpr u32 JOYCON_BUTTONS_NEON_RED = 0x1E0A0A;
@@ -349,7 +377,6 @@ struct PlayerInput {
     ControllerType controller_type;
     ButtonsRaw buttons;
     AnalogsRaw analogs;
-    VibrationsRaw vibrations;
     MotionsRaw motions;
 
     bool vibration_enabled;

src/core/CMakeLists.txt

@@ -132,11 +132,23 @@ add_library(core STATIC
     frontend/emu_window.h
     frontend/framebuffer_layout.cpp
     frontend/framebuffer_layout.h
-    frontend/input_interpreter.cpp
-    frontend/input_interpreter.h
-    frontend/input.h
     hardware_interrupt_manager.cpp
     hardware_interrupt_manager.h
+    hid/emulated_console.cpp
+    hid/emulated_console.h
+    hid/emulated_controller.cpp
+    hid/emulated_controller.h
+    hid/emulated_devices.cpp
+    hid/emulated_devices.h
+    hid/hid_core.cpp
+    hid/hid_core.h
+    hid/hid_types.h
+    hid/input_converter.cpp
+    hid/input_converter.h
+    hid/input_interpreter.cpp
+    hid/input_interpreter.h
+    hid/motion_input.cpp
+    hid/motion_input.h
     hle/api_version.h
     hle/ipc.h
     hle/ipc_helpers.h
@@ -402,6 +414,7 @@ add_library(core STATIC
     hle/service/hid/hid.h
     hle/service/hid/irs.cpp
     hle/service/hid/irs.h
+    hle/service/hid/ring_lifo.h
     hle/service/hid/xcd.cpp
     hle/service/hid/xcd.h
     hle/service/hid/errors.h

src/core/core.cpp

@@ -27,6 +27,7 @@
 #include "core/file_sys/vfs_concat.h"
 #include "core/file_sys/vfs_real.h"
 #include "core/hardware_interrupt_manager.h"
+#include "core/hid/hid_core.h"
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/kernel.h"
@@ -126,7 +127,7 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
 
 struct System::Impl {
     explicit Impl(System& system)
-        : kernel{system}, fs_controller{system}, memory{system},
+        : kernel{system}, fs_controller{system}, memory{system}, hid_core{},
           cpu_manager{system}, reporter{system}, applet_manager{system}, time_manager{system} {}
 
     SystemResultStatus Run() {
@@ -391,6 +392,7 @@ struct System::Impl {
     std::unique_ptr<Hardware::InterruptManager> interrupt_manager;
     std::unique_ptr<Core::DeviceMemory> device_memory;
     Core::Memory::Memory memory;
+    Core::HID::HIDCore hid_core;
     CpuManager cpu_manager;
     std::atomic_bool is_powered_on{};
     bool exit_lock = false;
@@ -615,6 +617,14 @@ const Kernel::KernelCore& System::Kernel() const {
     return impl->kernel;
 }
 
+HID::HIDCore& System::HIDCore() {
+    return impl->hid_core;
+}
+
+const HID::HIDCore& System::HIDCore() const {
+    return impl->hid_core;
+}
+
 Timing::CoreTiming& System::CoreTiming() {
     return impl->core_timing;
 }
@@ -825,8 +835,6 @@ void System::ApplySettings() {
     if (IsPoweredOn()) {
         Renderer().RefreshBaseSettings();
     }
-
-    Service::HID::ReloadInputDevices();
 }
 
 } // namespace Core

src/core/core.h

@@ -89,6 +89,10 @@ namespace Core::Hardware {
 class InterruptManager;
 }
 
+namespace Core::HID {
+class HIDCore;
+}
+
 namespace Core {
 
 class ARM_Interface;
@@ -285,6 +289,12 @@ public:
     /// Provides a constant reference to the kernel instance.
     [[nodiscard]] const Kernel::KernelCore& Kernel() const;
 
+    /// Gets a mutable reference to the HID interface.
+    [[nodiscard]] HID::HIDCore& HIDCore();
+
+    /// Gets an immutable reference to the HID interface.
+    [[nodiscard]] const HID::HIDCore& HIDCore() const;
+
     /// Provides a reference to the internal PerfStats instance.
     [[nodiscard]] Core::PerfStats& GetPerfStats();
 

src/core/frontend/applets/controller.cpp

@@ -5,16 +5,15 @@
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "core/frontend/applets/controller.h"
-#include "core/hle/service/hid/controllers/npad.h"
-#include "core/hle/service/hid/hid.h"
-#include "core/hle/service/sm/sm.h"
+#include "core/hid/emulated_controller.h"
+#include "core/hid/hid_core.h"
+#include "core/hid/hid_types.h"
 
 namespace Core::Frontend {
 
 ControllerApplet::~ControllerApplet() = default;
 
-DefaultControllerApplet::DefaultControllerApplet(Service::SM::ServiceManager& service_manager_)
-    : service_manager{service_manager_} {}
+DefaultControllerApplet::DefaultControllerApplet(HID::HIDCore& hid_core_) : hid_core{hid_core_} {}
 
 DefaultControllerApplet::~DefaultControllerApplet() = default;
 
@@ -22,24 +21,20 @@ void DefaultControllerApplet::ReconfigureControllers(std::function<void()> callb
                                                      const ControllerParameters& parameters) const {
     LOG_INFO(Service_HID, "called, deducing the best configuration based on the given parameters!");
 
-    auto& npad =
-        service_manager.GetService<Service::HID::Hid>("hid")
-            ->GetAppletResource()
-            ->GetController<Service::HID::Controller_NPad>(Service::HID::HidController::NPad);
-
-    auto& players = Settings::values.players.GetValue();
-
     const std::size_t min_supported_players =
         parameters.enable_single_mode ? 1 : parameters.min_players;
 
     // Disconnect Handheld first.
-    npad.DisconnectNpadAtIndex(8);
+    auto* handheld = hid_core.GetEmulatedController(Core::HID::NpadIdType::Handheld);
+    handheld->Disconnect();
 
     // Deduce the best configuration based on the input parameters.
-    for (std::size_t index = 0; index < players.size() - 2; ++index) {
+    for (std::size_t index = 0; index < hid_core.available_controllers - 2; ++index) {
+        auto* controller = hid_core.GetEmulatedControllerByIndex(index);
+
         // First, disconnect all controllers regardless of the value of keep_controllers_connected.
         // This makes it easy to connect the desired controllers.
-        npad.DisconnectNpadAtIndex(index);
+        controller->Disconnect();
 
         // Only connect the minimum number of required players.
         if (index >= min_supported_players) {
@@ -49,27 +44,27 @@ void DefaultControllerApplet::ReconfigureControllers(std::function<void()> callb
         // Connect controllers based on the following priority list from highest to lowest priority:
         // Pro Controller -> Dual Joycons -> Left Joycon/Right Joycon -> Handheld
         if (parameters.allow_pro_controller) {
-            npad.AddNewControllerAt(
-                npad.MapSettingsTypeToNPad(Settings::ControllerType::ProController), index);
+            controller->SetNpadStyleIndex(Core::HID::NpadStyleIndex::ProController);
+            controller->Connect();
         } else if (parameters.allow_dual_joycons) {
-            npad.AddNewControllerAt(
-                npad.MapSettingsTypeToNPad(Settings::ControllerType::DualJoyconDetached), index);
+            controller->SetNpadStyleIndex(Core::HID::NpadStyleIndex::JoyconDual);
+            controller->Connect();
         } else if (parameters.allow_left_joycon && parameters.allow_right_joycon) {
             // Assign left joycons to even player indices and right joycons to odd player indices.
             // We do this since Captain Toad Treasure Tracker expects a left joycon for Player 1 and
             // a right Joycon for Player 2 in 2 Player Assist mode.
             if (index % 2 == 0) {
-                npad.AddNewControllerAt(
-                    npad.MapSettingsTypeToNPad(Settings::ControllerType::LeftJoycon), index);
+                controller->SetNpadStyleIndex(Core::HID::NpadStyleIndex::JoyconLeft);
+                controller->Connect();
             } else {
-                npad.AddNewControllerAt(
-                    npad.MapSettingsTypeToNPad(Settings::ControllerType::RightJoycon), index);
+                controller->SetNpadStyleIndex(Core::HID::NpadStyleIndex::JoyconRight);
+                controller->Connect();
             }
         } else if (index == 0 && parameters.enable_single_mode && parameters.allow_handheld &&
                    !Settings::values.use_docked_mode.GetValue()) {
             // We should *never* reach here under any normal circumstances.
-            npad.AddNewControllerAt(npad.MapSettingsTypeToNPad(Settings::ControllerType::Handheld),
-                                    index);
+            controller->SetNpadStyleIndex(Core::HID::NpadStyleIndex::Handheld);
+            controller->Connect();
         } else {
             UNREACHABLE_MSG("Unable to add a new controller based on the given parameters!");
         }

src/core/frontend/applets/controller.h

@@ -8,8 +8,8 @@
 
 #include "common/common_types.h"
 
-namespace Service::SM {
-class ServiceManager;
+namespace Core::HID {
+class HIDCore;
 }
 
 namespace Core::Frontend {
@@ -44,14 +44,14 @@ public:
 
 class DefaultControllerApplet final : public ControllerApplet {
 public:
-    explicit DefaultControllerApplet(Service::SM::ServiceManager& service_manager_);
+    explicit DefaultControllerApplet(HID::HIDCore& hid_core_);
     ~DefaultControllerApplet() override;
 
     void ReconfigureControllers(std::function<void()> callback,
                                 const ControllerParameters& parameters) const override;
 
 private:
-    Service::SM::ServiceManager& service_manager;
+    HID::HIDCore& hid_core;
 };
 
 } // namespace Core::Frontend

src/core/frontend/emu_window.cpp

@@ -3,66 +3,31 @@
 // Refer to the license.txt file included.
 
 #include <mutex>
-#include "common/settings.h"
 #include "core/frontend/emu_window.h"
-#include "core/frontend/input.h"
 
 namespace Core::Frontend {
 
 GraphicsContext::~GraphicsContext() = default;
 
-class EmuWindow::TouchState : public Input::Factory<Input::TouchDevice>,
-                              public std::enable_shared_from_this<TouchState> {
-public:
-    std::unique_ptr<Input::TouchDevice> Create(const Common::ParamPackage&) override {
-        return std::make_unique<Device>(shared_from_this());
-    }
-
-    std::mutex mutex;
-
-    Input::TouchStatus status;
-
-private:
-    class Device : public Input::TouchDevice {
-    public:
-        explicit Device(std::weak_ptr<TouchState>&& touch_state_) : touch_state(touch_state_) {}
-        Input::TouchStatus GetStatus() const override {
-            if (auto state = touch_state.lock()) {
-                std::lock_guard guard{state->mutex};
-                return state->status;
-            }
-            return {};
-        }
-
-    private:
-        std::weak_ptr<TouchState> touch_state;
-    };
-};
-
 EmuWindow::EmuWindow() {
     // TODO: Find a better place to set this.
     config.min_client_area_size =
         std::make_pair(Layout::MinimumSize::Width, Layout::MinimumSize::Height);
     active_config = config;
-    touch_state = std::make_shared<TouchState>();
-    Input::RegisterFactory<Input::TouchDevice>("emu_window", touch_state);
 }
 
-EmuWindow::~EmuWindow() {
-    Input::UnregisterFactory<Input::TouchDevice>("emu_window");
-}
+EmuWindow::~EmuWindow() {}
 
-/**
- * Check if the given x/y coordinates are within the touchpad specified by the framebuffer layout
- * @param layout FramebufferLayout object describing the framebuffer size and screen positions
- * @param framebuffer_x Framebuffer x-coordinate to check
- * @param framebuffer_y Framebuffer y-coordinate to check
- * @return True if the coordinates are within the touchpad, otherwise false
- */
-static bool IsWithinTouchscreen(const Layout::FramebufferLayout& layout, u32 framebuffer_x,
-                                u32 framebuffer_y) {
-    return (framebuffer_y >= layout.screen.top && framebuffer_y < layout.screen.bottom &&
-            framebuffer_x >= layout.screen.left && framebuffer_x < layout.screen.right);
+std::pair<f32, f32> EmuWindow::MapToTouchScreen(u32 framebuffer_x, u32 framebuffer_y) const {
+    std::tie(framebuffer_x, framebuffer_y) = ClipToTouchScreen(framebuffer_x, framebuffer_y);
+    const float x =
+        static_cast<float>(framebuffer_x - framebuffer_layout.screen.left) /
+        static_cast<float>(framebuffer_layout.screen.right - framebuffer_layout.screen.left);
+    const float y =
+        static_cast<float>(framebuffer_y - framebuffer_layout.screen.top) /
+        static_cast<float>(framebuffer_layout.screen.bottom - framebuffer_layout.screen.top);
+
+    return std::make_pair(x, y);
 }
 
 std::pair<u32, u32> EmuWindow::ClipToTouchScreen(u32 new_x, u32 new_y) const {
@@ -75,49 +40,6 @@ std::pair<u32, u32> EmuWindow::ClipToTouchScreen(u32 new_x, u32 new_y) const {
     return std::make_pair(new_x, new_y);
 }
 
-void EmuWindow::TouchPressed(u32 framebuffer_x, u32 framebuffer_y, size_t id) {
-    if (!IsWithinTouchscreen(framebuffer_layout, framebuffer_x, framebuffer_y)) {
-        return;
-    }
-    if (id >= touch_state->status.size()) {
-        return;
-    }
-
-    std::lock_guard guard{touch_state->mutex};
-    const float x =
-        static_cast<float>(framebuffer_x - framebuffer_layout.screen.left) /
-        static_cast<float>(framebuffer_layout.screen.right - framebuffer_layout.screen.left);
-    const float y =
-        static_cast<float>(framebuffer_y - framebuffer_layout.screen.top) /
-        static_cast<float>(framebuffer_layout.screen.bottom - framebuffer_layout.screen.top);
-
-    touch_state->status[id] = std::make_tuple(x, y, true);
-}
-
-void EmuWindow::TouchReleased(size_t id) {
-    if (id >= touch_state->status.size()) {
-        return;
-    }
-    std::lock_guard guard{touch_state->mutex};
-    touch_state->status[id] = std::make_tuple(0.0f, 0.0f, false);
-}
-
-void EmuWindow::TouchMoved(u32 framebuffer_x, u32 framebuffer_y, size_t id) {
-    if (id >= touch_state->status.size()) {
-        return;
-    }
-
-    if (!std::get<2>(touch_state->status[id])) {
-        return;
-    }
-
-    if (!IsWithinTouchscreen(framebuffer_layout, framebuffer_x, framebuffer_y)) {
-        std::tie(framebuffer_x, framebuffer_y) = ClipToTouchScreen(framebuffer_x, framebuffer_y);
-    }
-
-    TouchPressed(framebuffer_x, framebuffer_y, id);
-}
-
 void EmuWindow::UpdateCurrentFramebufferLayout(u32 width, u32 height) {
     NotifyFramebufferLayoutChanged(Layout::DefaultFrameLayout(width, height));
 }

src/core/frontend/emu_window.h

@@ -112,28 +112,6 @@ public:
     /// Returns if window is shown (not minimized)
     virtual bool IsShown() const = 0;
 
-    /**
-     * Signal that a touch pressed event has occurred (e.g. mouse click pressed)
-     * @param framebuffer_x Framebuffer x-coordinate that was pressed
-     * @param framebuffer_y Framebuffer y-coordinate that was pressed
-     * @param id Touch event ID
-     */
-    void TouchPressed(u32 framebuffer_x, u32 framebuffer_y, size_t id);
-
-    /**
-     * Signal that a touch released event has occurred (e.g. mouse click released)
-     * @param id Touch event ID
-     */
-    void TouchReleased(size_t id);
-
-    /**
-     * Signal that a touch movement event has occurred (e.g. mouse was moved over the emu window)
-     * @param framebuffer_x Framebuffer x-coordinate
-     * @param framebuffer_y Framebuffer y-coordinate
-     * @param id Touch event ID
-     */
-    void TouchMoved(u32 framebuffer_x, u32 framebuffer_y, size_t id);
-
     /**
      * Returns currently active configuration.
      * @note Accesses to the returned object need not be consistent because it may be modified in
@@ -212,6 +190,11 @@ protected:
         client_area_height = size.second;
     }
 
+    /**
+     * Converts a screen postion into the equivalent touchscreen position.
+     */
+    std::pair<f32, f32> MapToTouchScreen(u32 framebuffer_x, u32 framebuffer_y) const;
+
     WindowSystemInfo window_info;
 
 private:
@@ -237,9 +220,6 @@ private:
     WindowConfig config;        ///< Internal configuration (changes pending for being applied in
                                 /// ProcessConfigurationChanges)
     WindowConfig active_config; ///< Internal active configuration
-
-    class TouchState;
-    std::shared_ptr<TouchState> touch_state;
 };
 
 } // namespace Core::Frontend

src/core/frontend/input.h

@@ -1,217 +0,0 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <functional>
-#include <memory>
-#include <string>
-#include <tuple>
-#include <unordered_map>
-#include <utility>
-#include "common/logging/log.h"
-#include "common/param_package.h"
-#include "common/quaternion.h"
-#include "common/vector_math.h"
-
-namespace Input {
-
-enum class AnalogDirection : u8 {
-    RIGHT,
-    LEFT,
-    UP,
-    DOWN,
-};
-struct AnalogProperties {
-    float deadzone;
-    float range;
-    float threshold;
-};
-template <typename StatusType>
-struct InputCallback {
-    std::function<void(StatusType)> on_change;
-};
-
-/// An abstract class template for an input device (a button, an analog input, etc.).
-template <typename StatusType>
-class InputDevice {
-public:
-    virtual ~InputDevice() = default;
-    virtual StatusType GetStatus() const {
-        return {};
-    }
-    virtual StatusType GetRawStatus() const {
-        return GetStatus();
-    }
-    virtual AnalogProperties GetAnalogProperties() const {
-        return {};
-    }
-    virtual bool GetAnalogDirectionStatus([[maybe_unused]] AnalogDirection direction) const {
-        return {};
-    }
-    virtual bool SetRumblePlay([[maybe_unused]] f32 amp_low, [[maybe_unused]] f32 freq_low,
-                               [[maybe_unused]] f32 amp_high,
-                               [[maybe_unused]] f32 freq_high) const {
-        return {};
-    }
-    void SetCallback(InputCallback<StatusType> callback_) {
-        callback = std::move(callback_);
-    }
-    void TriggerOnChange() {
-        if (callback.on_change) {
-            callback.on_change(GetStatus());
-        }
-    }
-
-private:
-    InputCallback<StatusType> callback;
-};
-
-/// An abstract class template for a factory that can create input devices.
-template <typename InputDeviceType>
-class Factory {
-public:
-    virtual ~Factory() = default;
-    virtual std::unique_ptr<InputDeviceType> Create(const Common::ParamPackage&) = 0;
-};
-
-namespace Impl {
-
-template <typename InputDeviceType>
-using FactoryListType = std::unordered_map<std::string, std::shared_ptr<Factory<InputDeviceType>>>;
-
-template <typename InputDeviceType>
-struct FactoryList {
-    static FactoryListType<InputDeviceType> list;
-};
-
-template <typename InputDeviceType>
-FactoryListType<InputDeviceType> FactoryList<InputDeviceType>::list;
-
-} // namespace Impl
-
-/**
- * Registers an input device factory.
- * @tparam InputDeviceType the type of input devices the factory can create
- * @param name the name of the factory. Will be used to match the "engine" parameter when creating
- *     a device
- * @param factory the factory object to register
- */
-template <typename InputDeviceType>
-void RegisterFactory(const std::string& name, std::shared_ptr<Factory<InputDeviceType>> factory) {
-    auto pair = std::make_pair(name, std::move(factory));
-    if (!Impl::FactoryList<InputDeviceType>::list.insert(std::move(pair)).second) {
-        LOG_ERROR(Input, "Factory '{}' already registered", name);
-    }
-}
-
-/**
- * Unregisters an input device factory.
- * @tparam InputDeviceType the type of input devices the factory can create
- * @param name the name of the factory to unregister
- */
-template <typename InputDeviceType>
-void UnregisterFactory(const std::string& name) {
-    if (Impl::FactoryList<InputDeviceType>::list.erase(name) == 0) {
-        LOG_ERROR(Input, "Factory '{}' not registered", name);
-    }
-}
-
-/**
- * Create an input device from given paramters.
- * @tparam InputDeviceType the type of input devices to create
- * @param params a serialized ParamPackage string contains all parameters for creating the device
- */
-template <typename InputDeviceType>
-std::unique_ptr<InputDeviceType> CreateDevice(const std::string& params) {
-    const Common::ParamPackage package(params);
-    const std::string engine = package.Get("engine", "null");
-    const auto& factory_list = Impl::FactoryList<InputDeviceType>::list;
-    const auto pair = factory_list.find(engine);
-    if (pair == factory_list.end()) {
-        if (engine != "null") {
-            LOG_ERROR(Input, "Unknown engine name: {}", engine);
-        }
-        return std::make_unique<InputDeviceType>();
-    }
-    return pair->second->Create(package);
-}
-
-/**
- * A button device is an input device that returns bool as status.
- * true for pressed; false for released.
- */
-using ButtonDevice = InputDevice<bool>;
-
-/**
- * An analog device is an input device that returns a tuple of x and y coordinates as status. The
- * coordinates are within the unit circle. x+ is defined as right direction, and y+ is defined as up
- * direction
- */
-using AnalogDevice = InputDevice<std::tuple<float, float>>;
-
-/**
- * A vibration device is an input device that returns an unsigned byte as status.
- * It represents whether the vibration device supports vibration or not.
- * If the status returns 1, it supports vibration. Otherwise, it does not support vibration.
- */
-using VibrationDevice = InputDevice<u8>;
-
-/**
- * A motion status is an object that returns a tuple of accelerometer state vector,
- * gyroscope state vector, rotation state vector, orientation state matrix and quaterion state
- * vector.
- *
- * For both 3D vectors:
- *   x+ is the same direction as RIGHT on D-pad.
- *   y+ is normal to the touch screen, pointing outward.
- *   z+ is the same direction as UP on D-pad.
- *
- * For accelerometer state vector
- *   Units: g (gravitational acceleration)
- *
- * For gyroscope state vector:
- *   Orientation is determined by right-hand rule.
- *   Units: deg/sec
- *
- * For rotation state vector
- *   Units: rotations
- *
- * For orientation state matrix
- *   x vector
- *   y vector
- *   z vector
- *
- * For quaternion state vector
- *   xyz vector
- *   w float
- */
-using MotionStatus = std::tuple<Common::Vec3<float>, Common::Vec3<float>, Common::Vec3<float>,
-                                std::array<Common::Vec3f, 3>, Common::Quaternion<f32>>;
-
-/**
- * A motion device is an input device that returns a motion status object
- */
-using MotionDevice = InputDevice<MotionStatus>;
-
-/**
- * A touch status is an object that returns an array of 16 tuple elements of two floats and a bool.
- * The floats are x and y coordinates in the range 0.0 - 1.0, and the bool indicates whether it is
- * pressed.
- */
-using TouchStatus = std::array<std::tuple<float, float, bool>, 16>;
-
-/**
- * A touch device is an input device that returns a touch status object
- */
-using TouchDevice = InputDevice<TouchStatus>;
-
-/**
- * A mouse device is an input device that returns a tuple of two floats and four ints.
- * The first two floats are X and Y device coordinates of the mouse (from 0-1).
- * The s32s are the mouse wheel.
- */
-using MouseDevice = InputDevice<std::tuple<float, float, s32, s32>>;
-
-} // namespace Input

src/core/hid/emulated_console.cpp

@@ -0,0 +1,229 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#include "common/settings.h"
+#include "core/hid/emulated_console.h"
+#include "core/hid/input_converter.h"
+
+namespace Core::HID {
+EmulatedConsole::EmulatedConsole() = default;
+
+EmulatedConsole::~EmulatedConsole() = default;
+
+void EmulatedConsole::ReloadFromSettings() {
+    // Using first motion device from player 1. No need to assign any unique config at the moment
+    const auto& player = Settings::values.players.GetValue()[0];
+    motion_params = Common::ParamPackage(player.motions[0]);
+
+    ReloadInput();
+}
+
+void EmulatedConsole::SetTouchParams() {
+    // TODO(german77): Support any number of fingers
+    std::size_t index = 0;
+
+    // Hardcode mouse, touchscreen and cemuhook parameters
+    if (!Settings::values.mouse_enabled) {
+        // We can't use mouse as touch if native mouse is enabled
+        touch_params[index++] = Common::ParamPackage{"engine:mouse,axis_x:10,axis_y:11,button:0"};
+    }
+    touch_params[index++] = Common::ParamPackage{"engine:touch,axis_x:0,axis_y:1,button:0"};
+    touch_params[index++] = Common::ParamPackage{"engine:touch,axis_x:2,axis_y:3,button:1"};
+    touch_params[index++] =
+        Common::ParamPackage{"engine:cemuhookudp,axis_x:17,axis_y:18,button:65536"};
+    touch_params[index++] =
+        Common::ParamPackage{"engine:cemuhookudp,axis_x:19,axis_y:20,button:131072"};
+
+    const auto button_index =
+        static_cast<u64>(Settings::values.touch_from_button_map_index.GetValue());
+    const auto& touch_buttons = Settings::values.touch_from_button_maps[button_index].buttons;
+
+    // Map the rest of the fingers from touch from button configuration
+    for (const auto& config_entry : touch_buttons) {
+        if (index >= touch_params.size()) {
+            continue;
+        }
+        Common::ParamPackage params{config_entry};
+        Common::ParamPackage touch_button_params;
+        const int x = params.Get("x", 0);
+        const int y = params.Get("y", 0);
+        params.Erase("x");
+        params.Erase("y");
+        touch_button_params.Set("engine", "touch_from_button");
+        touch_button_params.Set("button", params.Serialize());
+        touch_button_params.Set("x", x);
+        touch_button_params.Set("y", y);
+        touch_button_params.Set("touch_id", static_cast<int>(index));
+        touch_params[index] = touch_button_params;
+        index++;
+    }
+}
+
+void EmulatedConsole::ReloadInput() {
+    // If you load any device here add the equivalent to the UnloadInput() function
+    SetTouchParams();
+
+    motion_devices = Common::Input::CreateDevice<Common::Input::InputDevice>(motion_params);
+    if (motion_devices) {
+        Common::Input::InputCallback motion_callback{
+            [this](Common::Input::CallbackStatus callback) { SetMotion(callback); }};
+        motion_devices->SetCallback(motion_callback);
+    }
+
+    // Unique index for identifying touch device source
+    std::size_t index = 0;
+    for (auto& touch_device : touch_devices) {
+        touch_device = Common::Input::CreateDevice<Common::Input::InputDevice>(touch_params[index]);
+        if (!touch_device) {
+            continue;
+        }
+        Common::Input::InputCallback touch_callback{
+            [this, index](Common::Input::CallbackStatus callback) { SetTouch(callback, index); }};
+        touch_device->SetCallback(touch_callback);
+        index++;
+    }
+}
+
+void EmulatedConsole::UnloadInput() {
+    motion_devices.reset();
+    for (auto& touch : touch_devices) {
+        touch.reset();
+    }
+}
+
+void EmulatedConsole::EnableConfiguration() {
+    is_configuring = true;
+    SaveCurrentConfig();
+}
+
+void EmulatedConsole::DisableConfiguration() {
+    is_configuring = false;
+}
+
+bool EmulatedConsole::IsConfiguring() const {
+    return is_configuring;
+}
+
+void EmulatedConsole::SaveCurrentConfig() {
+    if (!is_configuring) {
+        return;
+    }
+}
+
+void EmulatedConsole::RestoreConfig() {
+    if (!is_configuring) {
+        return;
+    }
+    ReloadFromSettings();
+}
+
+Common::ParamPackage EmulatedConsole::GetMotionParam() const {
+    return motion_params;
+}
+
+void EmulatedConsole::SetMotionParam(Common::ParamPackage param) {
+    motion_params = param;
+    ReloadInput();
+}
+
+void EmulatedConsole::SetMotion(Common::Input::CallbackStatus callback) {
+    std::lock_guard lock{mutex};
+    auto& raw_status = console.motion_values.raw_status;
+    auto& emulated = console.motion_values.emulated;
+
+    raw_status = TransformToMotion(callback);
+    emulated.SetAcceleration(Common::Vec3f{
+        raw_status.accel.x.value,
+        raw_status.accel.y.value,
+        raw_status.accel.z.value,
+    });
+    emulated.SetGyroscope(Common::Vec3f{
+        raw_status.gyro.x.value,
+        raw_status.gyro.y.value,
+        raw_status.gyro.z.value,
+    });
+    emulated.UpdateRotation(raw_status.delta_timestamp);
+    emulated.UpdateOrientation(raw_status.delta_timestamp);
+
+    if (is_configuring) {
+        TriggerOnChange(ConsoleTriggerType::Motion);
+        return;
+    }
+
+    auto& motion = console.motion_state;
+    motion.accel = emulated.GetAcceleration();
+    motion.gyro = emulated.GetGyroscope();
+    motion.rotation = emulated.GetGyroscope();
+    motion.orientation = emulated.GetOrientation();
+    motion.quaternion = emulated.GetQuaternion();
+    motion.is_at_rest = !emulated.IsMoving(motion_sensitivity);
+
+    TriggerOnChange(ConsoleTriggerType::Motion);
+}
+
+void EmulatedConsole::SetTouch(Common::Input::CallbackStatus callback,
+                               [[maybe_unused]] std::size_t index) {
+    if (index >= console.touch_values.size()) {
+        return;
+    }
+    std::lock_guard lock{mutex};
+
+    console.touch_values[index] = TransformToTouch(callback);
+
+    if (is_configuring) {
+        TriggerOnChange(ConsoleTriggerType::Touch);
+        return;
+    }
+
+    // TODO(german77): Remap touch id in sequential order
+    console.touch_state[index] = {
+        .position = {console.touch_values[index].x.value, console.touch_values[index].y.value},
+        .id = static_cast<u32>(console.touch_values[index].id),
+        .pressed = console.touch_values[index].pressed.value,
+    };
+
+    TriggerOnChange(ConsoleTriggerType::Touch);
+}
+
+ConsoleMotionValues EmulatedConsole::GetMotionValues() const {
+    return console.motion_values;
+}
+
+TouchValues EmulatedConsole::GetTouchValues() const {
+    return console.touch_values;
+}
+
+ConsoleMotion EmulatedConsole::GetMotion() const {
+    return console.motion_state;
+}
+
+TouchFingerState EmulatedConsole::GetTouch() const {
+    return console.touch_state;
+}
+
+void EmulatedConsole::TriggerOnChange(ConsoleTriggerType type) {
+    for (const auto& poller_pair : callback_list) {
+        const ConsoleUpdateCallback& poller = poller_pair.second;
+        if (poller.on_change) {
+            poller.on_change(type);
+        }
+    }
+}
+
+int EmulatedConsole::SetCallback(ConsoleUpdateCallback update_callback) {
+    std::lock_guard lock{mutex};
+    callback_list.insert_or_assign(last_callback_key, update_callback);
+    return last_callback_key++;
+}
+
+void EmulatedConsole::DeleteCallback(int key) {
+    std::lock_guard lock{mutex};
+    const auto& iterator = callback_list.find(key);
+    if (iterator == callback_list.end()) {
+        LOG_ERROR(Input, "Tried to delete non-existent callback {}", key);
+        return;
+    }
+    callback_list.erase(iterator);
+}
+} // namespace Core::HID

src/core/hid/emulated_console.h

@@ -0,0 +1,188 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <functional>
+#include <memory>
+#include <mutex>
+#include <unordered_map>
+
+#include "common/common_types.h"
+#include "common/input.h"
+#include "common/param_package.h"
+#include "common/point.h"
+#include "common/quaternion.h"
+#include "common/vector_math.h"
+#include "core/hid/hid_types.h"
+#include "core/hid/motion_input.h"
+
+namespace Core::HID {
+
+struct ConsoleMotionInfo {
+    Common::Input::MotionStatus raw_status{};
+    MotionInput emulated{};
+};
+
+using ConsoleMotionDevices = std::unique_ptr<Common::Input::InputDevice>;
+using TouchDevices = std::array<std::unique_ptr<Common::Input::InputDevice>, 16>;
+
+using ConsoleMotionParams = Common::ParamPackage;
+using TouchParams = std::array<Common::ParamPackage, 16>;
+
+using ConsoleMotionValues = ConsoleMotionInfo;
+using TouchValues = std::array<Common::Input::TouchStatus, 16>;
+
+struct TouchFinger {
+    u64 last_touch{};
+    Common::Point<float> position{};
+    u32 id{};
+    TouchAttribute attribute{};
+    bool pressed{};
+};
+
+// Contains all motion related data that is used on the services
+struct ConsoleMotion {
+    Common::Vec3f accel{};
+    Common::Vec3f gyro{};
+    Common::Vec3f rotation{};
+    std::array<Common::Vec3f, 3> orientation{};
+    Common::Quaternion<f32> quaternion{};
+    bool is_at_rest{};
+};
+
+using TouchFingerState = std::array<TouchFinger, 16>;
+
+struct ConsoleStatus {
+    // Data from input_common
+    ConsoleMotionValues motion_values{};
+    TouchValues touch_values{};
+
+    // Data for HID services
+    ConsoleMotion motion_state{};
+    TouchFingerState touch_state{};
+};
+
+enum class ConsoleTriggerType {
+    Motion,
+    Touch,
+    All,
+};
+
+struct ConsoleUpdateCallback {
+    std::function<void(ConsoleTriggerType)> on_change;
+};
+
+class EmulatedConsole {
+public:
+    /**
+     * Contains all input data related to the console like motion and touch input
+     */
+    EmulatedConsole();
+    ~EmulatedConsole();
+
+    YUZU_NON_COPYABLE(EmulatedConsole);
+    YUZU_NON_MOVEABLE(EmulatedConsole);
+
+    /// Removes all callbacks created from input devices
+    void UnloadInput();
+
+    /// Sets the emulated console into configuring mode. Locking all HID service events from being
+    /// moddified
+    void EnableConfiguration();
+
+    /// Returns the emulated console to the normal behaivour
+    void DisableConfiguration();
+
+    /// Returns true if the emulated console is on configuring mode
+    bool IsConfiguring() const;
+
+    /// Reload all input devices
+    void ReloadInput();
+
+    /// Overrides current mapped devices with the stored configuration and reloads all input devices
+    void ReloadFromSettings();
+
+    /// Saves the current mapped configuration
+    void SaveCurrentConfig();
+
+    /// Reverts any mapped changes made that weren't saved
+    void RestoreConfig();
+
+    // Returns the current mapped motion device
+    Common::ParamPackage GetMotionParam() const;
+
+    /**
+     * Updates the current mapped motion device
+     * @param ParamPackage with controller data to be mapped
+     */
+    void SetMotionParam(Common::ParamPackage param);
+
+    /// Returns the latest status of motion input from the console with parameters
+    ConsoleMotionValues GetMotionValues() const;
+
+    /// Returns the latest status of touch input from the console with parameters
+    TouchValues GetTouchValues() const;
+
+    /// Returns the latest status of motion input from the console
+    ConsoleMotion GetMotion() const;
+
+    /// Returns the latest status of touch input from the console
+    TouchFingerState GetTouch() const;
+
+    /**
+     * Adds a callback to the list of events
+     * @param ConsoleUpdateCallback that will be triggered
+     * @return an unique key corresponding to the callback index in the list
+     */
+    int SetCallback(ConsoleUpdateCallback update_callback);
+
+    /**
+     * Removes a callback from the list stopping any future events to this object
+     * @param Key corresponding to the callback index in the list
+     */
+    void DeleteCallback(int key);
+
+private:
+    /// Creates and stores the touch params
+    void SetTouchParams();
+
+    /**
+     * Updates the motion status of the console
+     * @param A CallbackStatus containing gyro and accelerometer data
+     */
+    void SetMotion(Common::Input::CallbackStatus callback);
+
+    /**
+     * Updates the touch status of the console
+     * @param callback: A CallbackStatus containing the touch position
+     * @param index: Finger ID to be updated
+     */
+    void SetTouch(Common::Input::CallbackStatus callback, std::size_t index);
+
+    /**
+     * Triggers a callback that something has changed on the console status
+     * @param Input type of the event to trigger
+     */
+    void TriggerOnChange(ConsoleTriggerType type);
+
+    bool is_configuring{false};
+    f32 motion_sensitivity{0.01f};
+
+    ConsoleMotionParams motion_params;
+    TouchParams touch_params;
+
+    ConsoleMotionDevices motion_devices;
+    TouchDevices touch_devices;
+
+    mutable std::mutex mutex;
+    std::unordered_map<int, ConsoleUpdateCallback> callback_list;
+    int last_callback_key = 0;
+
+    // Stores the current status of all console input
+    ConsoleStatus console;
+};
+
+} // namespace Core::HID

src/core/hid/emulated_controller.h

@@ -0,0 +1,392 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <functional>
+#include <memory>
+#include <mutex>
+#include <unordered_map>
+
+#include "common/common_types.h"
+#include "common/input.h"
+#include "common/param_package.h"
+#include "common/point.h"
+#include "common/quaternion.h"
+#include "common/settings.h"
+#include "common/vector_math.h"
+#include "core/hid/hid_types.h"
+#include "core/hid/motion_input.h"
+
+namespace Core::HID {
+const std::size_t max_emulated_controllers = 2;
+struct ControllerMotionInfo {
+    Common::Input::MotionStatus raw_status{};
+    MotionInput emulated{};
+};
+
+using ButtonDevices =
+    std::array<std::unique_ptr<Common::Input::InputDevice>, Settings::NativeButton::NumButtons>;
+using StickDevices =
+    std::array<std::unique_ptr<Common::Input::InputDevice>, Settings::NativeAnalog::NumAnalogs>;
+using ControllerMotionDevices =
+    std::array<std::unique_ptr<Common::Input::InputDevice>, Settings::NativeMotion::NumMotions>;
+using TriggerDevices =
+    std::array<std::unique_ptr<Common::Input::InputDevice>, Settings::NativeTrigger::NumTriggers>;
+using BatteryDevices =
+    std::array<std::unique_ptr<Common::Input::InputDevice>, max_emulated_controllers>;
+using OutputDevices =
+    std::array<std::unique_ptr<Common::Input::OutputDevice>, max_emulated_controllers>;
+
+using ButtonParams = std::array<Common::ParamPackage, Settings::NativeButton::NumButtons>;
+using StickParams = std::array<Common::ParamPackage, Settings::NativeAnalog::NumAnalogs>;
+using ControllerMotionParams = std::array<Common::ParamPackage, Settings::NativeMotion::NumMotions>;
+using TriggerParams = std::array<Common::ParamPackage, Settings::NativeTrigger::NumTriggers>;
+using BatteryParams = std::array<Common::ParamPackage, max_emulated_controllers>;
+using OutputParams = std::array<Common::ParamPackage, max_emulated_controllers>;
+
+using ButtonValues = std::array<Common::Input::ButtonStatus, Settings::NativeButton::NumButtons>;
+using SticksValues = std::array<Common::Input::StickStatus, Settings::NativeAnalog::NumAnalogs>;
+using TriggerValues =
+    std::array<Common::Input::TriggerStatus, Settings::NativeTrigger::NumTriggers>;
+using ControllerMotionValues = std::array<ControllerMotionInfo, Settings::NativeMotion::NumMotions>;
+using ColorValues = std::array<Common::Input::BodyColorStatus, max_emulated_controllers>;
+using BatteryValues = std::array<Common::Input::BatteryStatus, max_emulated_controllers>;
+using VibrationValues = std::array<Common::Input::VibrationStatus, max_emulated_controllers>;
+
+struct AnalogSticks {
+    AnalogStickState left{};
+    AnalogStickState right{};
+};
+
+struct ControllerColors {
+    NpadControllerColor fullkey{};
+    NpadControllerColor left{};
+    NpadControllerColor right{};
+};
+
+struct BatteryLevelState {
+    NpadPowerInfo dual{};
+    NpadPowerInfo left{};
+    NpadPowerInfo right{};
+};
+
+struct ControllerMotion {
+    Common::Vec3f accel{};
+    Common::Vec3f gyro{};
+    Common::Vec3f rotation{};
+    std::array<Common::Vec3f, 3> orientation{};
+    bool is_at_rest{};
+};
+
+enum EmulatedDeviceIndex : u8 {
+    LeftIndex,
+    RightIndex,
+    DualIndex,
+    AllDevices,
+};
+
+using MotionState = std::array<ControllerMotion, 2>;
+
+struct ControllerStatus {
+    // Data from input_common
+    ButtonValues button_values{};
+    SticksValues stick_values{};
+    ControllerMotionValues motion_values{};
+    TriggerValues trigger_values{};
+    ColorValues color_values{};
+    BatteryValues battery_values{};
+    VibrationValues vibration_values{};
+
+    // Data for HID serices
+    NpadButtonState npad_button_state{};
+    DebugPadButton debug_pad_button_state{};
+    AnalogSticks analog_stick_state{};
+    MotionState motion_state{};
+    NpadGcTriggerState gc_trigger_state{};
+    ControllerColors colors_state{};
+    BatteryLevelState battery_state{};
+};
+
+enum class ControllerTriggerType {
+    Button,
+    Stick,
+    Trigger,
+    Motion,
+    Color,
+    Battery,
+    Vibration,
+    Connected,
+    Disconnected,
+    Type,
+    All,
+};
+
+struct ControllerUpdateCallback {
+    std::function<void(ControllerTriggerType)> on_change;
+    bool is_npad_service;
+};
+
+class EmulatedController {
+public:
+    /**
+     * Contains all input data related to this controller. Like buttons, joysticks, motion.
+     * @param Npad id type for this specific controller
+     */
+    explicit EmulatedController(NpadIdType npad_id_type_);
+    ~EmulatedController();
+
+    YUZU_NON_COPYABLE(EmulatedController);
+    YUZU_NON_MOVEABLE(EmulatedController);
+
+    /// Converts the controller type from settings to npad type
+    static NpadStyleIndex MapSettingsTypeToNPad(Settings::ControllerType type);
+
+    /// Converts npad type to the equivalent of controller type from settings
+    static Settings::ControllerType MapNPadToSettingsType(NpadStyleIndex type);
+
+    /// Gets the NpadIdType for this controller
+    NpadIdType GetNpadIdType() const;
+
+    /// Sets the NpadStyleIndex for this controller
+    void SetNpadStyleIndex(NpadStyleIndex npad_type_);
+
+    /**
+     * Gets the NpadStyleIndex for this controller
+     * @param If true tmp_npad_type will be returned
+     * @return NpadStyleIndex set on the controller
+     */
+    NpadStyleIndex GetNpadStyleIndex(bool get_temporary_value = false) const;
+
+    /// Sets the connected status to true
+    void Connect();
+
+    /// Sets the connected status to false
+    void Disconnect();
+
+    /**
+     * Is the emulated connected
+     * @param If true tmp_is_connected will be returned
+     * @return true if the controller has the connected status
+     */
+    bool IsConnected(bool get_temporary_value = false) const;
+
+    /// Returns true if vibration is enabled
+    bool IsVibrationEnabled() const;
+
+    /// Removes all callbacks created from input devices
+    void UnloadInput();
+
+    /// Sets the emulated console into configuring mode. Locking all HID service events from being
+    /// moddified
+    void EnableConfiguration();
+
+    /// Returns the emulated console to the normal behaivour
+    void DisableConfiguration();
+
+    /// Returns true if the emulated device is on configuring mode
+    bool IsConfiguring() const;
+
+    /// Reload all input devices
+    void ReloadInput();
+
+    /// Overrides current mapped devices with the stored configuration and reloads all input devices
+    void ReloadFromSettings();
+
+    /// Saves the current mapped configuration
+    void SaveCurrentConfig();
+
+    /// Reverts any mapped changes made that weren't saved
+    void RestoreConfig();
+
+    /// Returns a vector of mapped devices from the mapped button and stick parameters
+    std::vector<Common::ParamPackage> GetMappedDevices(EmulatedDeviceIndex device_index) const;
+
+    // Returns the current mapped button device
+    Common::ParamPackage GetButtonParam(std::size_t index) const;
+
+    // Returns the current mapped stick device
+    Common::ParamPackage GetStickParam(std::size_t index) const;
+
+    // Returns the current mapped motion device
+    Common::ParamPackage GetMotionParam(std::size_t index) const;
+
+    /**
+     * Updates the current mapped button device
+     * @param ParamPackage with controller data to be mapped
+     */
+    void SetButtonParam(std::size_t index, Common::ParamPackage param);
+
+    /**
+     * Updates the current mapped stick device
+     * @param ParamPackage with controller data to be mapped
+     */
+    void SetStickParam(std::size_t index, Common::ParamPackage param);
+
+    /**
+     * Updates the current mapped motion device
+     * @param ParamPackage with controller data to be mapped
+     */
+    void SetMotionParam(std::size_t index, Common::ParamPackage param);
+
+    /// Returns the latest button status from the controller with parameters
+    ButtonValues GetButtonsValues() const;
+
+    /// Returns the latest analog stick status from the controller with parameters
+    SticksValues GetSticksValues() const;
+
+    /// Returns the latest trigger status from the controller with parameters
+    TriggerValues GetTriggersValues() const;
+
+    /// Returns the latest motion status from the controller with parameters
+    ControllerMotionValues GetMotionValues() const;
+
+    /// Returns the latest color status from the controller with parameters
+    ColorValues GetColorsValues() const;
+
+    /// Returns the latest battery status from the controller with parameters
+    BatteryValues GetBatteryValues() const;
+
+    /// Returns the latest status of button input for the npad service
+    NpadButtonState GetNpadButtons() const;
+
+    /// Returns the latest status of button input for the debug pad service
+    DebugPadButton GetDebugPadButtons() const;
+
+    /// Returns the latest status of stick input from the mouse
+    AnalogSticks GetSticks() const;
+
+    /// Returns the latest status of trigger input from the mouse
+    NpadGcTriggerState GetTriggers() const;
+
+    /// Returns the latest status of motion input from the mouse
+    MotionState GetMotions() const;
+
+    /// Returns the latest color value from the controller
+    ControllerColors GetColors() const;
+
+    /// Returns the latest battery status from the controller
+    BatteryLevelState GetBattery() const;
+
+    /*
+     * Sends a specific vibration to the output device
+     * @return returns true if vibration had no errors
+     */
+    bool SetVibration(std::size_t device_index, VibrationValue vibration);
+
+    /*
+     * Sends a small vibration to the output device
+     * @return returns true if SetVibration was successfull
+     */
+    bool TestVibration(std::size_t device_index);
+
+    /// Returns the led pattern corresponding to this emulated controller
+    LedPattern GetLedPattern() const;
+
+    /// Asks the output device to change the player led pattern
+    void SetLedPattern();
+
+    /**
+     * Adds a callback to the list of events
+     * @param ConsoleUpdateCallback that will be triggered
+     * @return an unique key corresponding to the callback index in the list
+     */
+    int SetCallback(ControllerUpdateCallback update_callback);
+
+    /**
+     * Removes a callback from the list stopping any future events to this object
+     * @param Key corresponding to the callback index in the list
+     */
+    void DeleteCallback(int key);
+
+private:
+    /// creates input devices from params
+    void LoadDevices();
+
+    /// Set the params for TAS devices
+    void LoadTASParams();
+
+    /**
+     * Updates the button status of the controller
+     * @param callback: A CallbackStatus containing the button status
+     * @param index: Button ID of the to be updated
+     */
+    void SetButton(Common::Input::CallbackStatus callback, std::size_t index, Common::UUID uuid);
+
+    /**
+     * Updates the analog stick status of the controller
+     * @param callback: A CallbackStatus containing the analog stick status
+     * @param index: stick ID of the to be updated
+     */
+    void SetStick(Common::Input::CallbackStatus callback, std::size_t index, Common::UUID uuid);
+
+    /**
+     * Updates the trigger status of the controller
+     * @param callback: A CallbackStatus containing the trigger status
+     * @param index: trigger ID of the to be updated
+     */
+    void SetTrigger(Common::Input::CallbackStatus callback, std::size_t index, Common::UUID uuid);
+
+    /**
+     * Updates the motion status of the controller
+     * @param callback: A CallbackStatus containing gyro and accelerometer data
+     * @param index: motion ID of the to be updated
+     */
+    void SetMotion(Common::Input::CallbackStatus callback, std::size_t index);
+
+    /**
+     * Updates the battery status of the controller
+     * @param callback: A CallbackStatus containing the battery status
+     * @param index: Button ID of the to be updated
+     */
+    void SetBattery(Common::Input::CallbackStatus callback, std::size_t index);
+
+    /**
+     * Triggers a callback that something has changed on the controller status
+     * @param type: Input type of the event to trigger
+     * @param is_service_update: indicates if this event should be sended to only services
+     */
+    void TriggerOnChange(ControllerTriggerType type, bool is_service_update);
+
+    NpadIdType npad_id_type;
+    NpadStyleIndex npad_type{NpadStyleIndex::None};
+    bool is_connected{false};
+    bool is_configuring{false};
+    f32 motion_sensitivity{0.01f};
+    bool force_update_motion{false};
+
+    // Temporary values to avoid doing changes while the controller is on configuration mode
+    NpadStyleIndex tmp_npad_type{NpadStyleIndex::None};
+    bool tmp_is_connected{false};
+
+    ButtonParams button_params;
+    StickParams stick_params;
+    ControllerMotionParams motion_params;
+    TriggerParams trigger_params;
+    BatteryParams battery_params;
+    OutputParams output_params;
+
+    ButtonDevices button_devices;
+    StickDevices stick_devices;
+    ControllerMotionDevices motion_devices;
+    TriggerDevices trigger_devices;
+    BatteryDevices battery_devices;
+    OutputDevices output_devices;
+
+    // TAS related variables
+    ButtonParams tas_button_params;
+    StickParams tas_stick_params;
+    ButtonDevices tas_button_devices;
+    StickDevices tas_stick_devices;
+
+    mutable std::mutex mutex;
+    std::unordered_map<int, ControllerUpdateCallback> callback_list;
+    int last_callback_key = 0;
+
+    // Stores the current status of all controller input
+    ControllerStatus controller;
+};
+
+} // namespace Core::HID

src/core/hid/emulated_devices.cpp

@@ -0,0 +1,451 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#include <algorithm>
+#include <fmt/format.h>
+
+#include "core/hid/emulated_devices.h"
+#include "core/hid/input_converter.h"
+
+namespace Core::HID {
+
+EmulatedDevices::EmulatedDevices() = default;
+
+EmulatedDevices::~EmulatedDevices() = default;
+
+void EmulatedDevices::ReloadFromSettings() {
+    ReloadInput();
+}
+
+void EmulatedDevices::ReloadInput() {
+    // If you load any device here add the equivalent to the UnloadInput() function
+    std::size_t key_index = 0;
+    for (auto& mouse_device : mouse_button_devices) {
+        Common::ParamPackage mouse_params;
+        mouse_params.Set("engine", "mouse");
+        mouse_params.Set("button", static_cast<int>(key_index));
+        mouse_device = Common::Input::CreateDevice<Common::Input::InputDevice>(mouse_params);
+        key_index++;
+    }
+
+    mouse_stick_device = Common::Input::CreateDeviceFromString<Common::Input::InputDevice>(
+        "engine:mouse,axis_x:0,axis_y:1");
+
+    // First two axis are reserved for mouse position
+    key_index = 2;
+    for (auto& mouse_device : mouse_analog_devices) {
+        Common::ParamPackage mouse_params;
+        mouse_params.Set("engine", "mouse");
+        mouse_params.Set("axis", static_cast<int>(key_index));
+        mouse_device = Common::Input::CreateDevice<Common::Input::InputDevice>(mouse_params);
+        key_index++;
+    }
+
+    key_index = 0;
+    for (auto& keyboard_device : keyboard_devices) {
+        // Keyboard keys are only mapped on port 1, pad 0
+        Common::ParamPackage keyboard_params;
+        keyboard_params.Set("engine", "keyboard");
+        keyboard_params.Set("button", static_cast<int>(key_index));
+        keyboard_params.Set("port", 1);
+        keyboard_params.Set("pad", 0);
+        keyboard_device = Common::Input::CreateDevice<Common::Input::InputDevice>(keyboard_params);
+        key_index++;
+    }
+
+    key_index = 0;
+    for (auto& keyboard_device : keyboard_modifier_devices) {
+        // Keyboard moddifiers are only mapped on port 1, pad 1
+        Common::ParamPackage keyboard_params;
+        keyboard_params.Set("engine", "keyboard");
+        keyboard_params.Set("button", static_cast<int>(key_index));
+        keyboard_params.Set("port", 1);
+        keyboard_params.Set("pad", 1);
+        keyboard_device = Common::Input::CreateDevice<Common::Input::InputDevice>(keyboard_params);
+        key_index++;
+    }
+
+    for (std::size_t index = 0; index < mouse_button_devices.size(); ++index) {
+        if (!mouse_button_devices[index]) {
+            continue;
+        }
+        Common::Input::InputCallback button_callback{
+            [this, index](Common::Input::CallbackStatus callback) {
+                SetMouseButton(callback, index);
+            }};
+        mouse_button_devices[index]->SetCallback(button_callback);
+    }
+
+    for (std::size_t index = 0; index < mouse_analog_devices.size(); ++index) {
+        if (!mouse_analog_devices[index]) {
+            continue;
+        }
+        Common::Input::InputCallback button_callback{
+            [this, index](Common::Input::CallbackStatus callback) {
+                SetMouseAnalog(callback, index);
+            }};
+        mouse_analog_devices[index]->SetCallback(button_callback);
+    }
+
+    if (mouse_stick_device) {
+        Common::Input::InputCallback button_callback{
+            [this](Common::Input::CallbackStatus callback) { SetMouseStick(callback); }};
+        mouse_stick_device->SetCallback(button_callback);
+    }
+
+    for (std::size_t index = 0; index < keyboard_devices.size(); ++index) {
+        if (!keyboard_devices[index]) {
+            continue;
+        }
+        Common::Input::InputCallback button_callback{
+            [this, index](Common::Input::CallbackStatus callback) {
+                SetKeyboardButton(callback, index);
+            }};
+        keyboard_devices[index]->SetCallback(button_callback);
+    }
+
+    for (std::size_t index = 0; index < keyboard_modifier_devices.size(); ++index) {
+        if (!keyboard_modifier_devices[index]) {
+            continue;
+        }
+        Common::Input::InputCallback button_callback{
+            [this, index](Common::Input::CallbackStatus callback) {
+                SetKeyboardModifier(callback, index);
+            }};
+        keyboard_modifier_devices[index]->SetCallback(button_callback);
+    }
+}
+
+void EmulatedDevices::UnloadInput() {
+    for (auto& button : mouse_button_devices) {
+        button.reset();
+    }
+    for (auto& analog : mouse_analog_devices) {
+        analog.reset();
+    }
+    mouse_stick_device.reset();
+    for (auto& button : keyboard_devices) {
+        button.reset();
+    }
+    for (auto& button : keyboard_modifier_devices) {
+        button.reset();
+    }
+}
+
+void EmulatedDevices::EnableConfiguration() {
+    is_configuring = true;
+    SaveCurrentConfig();
+}
+
+void EmulatedDevices::DisableConfiguration() {
+    is_configuring = false;
+}
+
+bool EmulatedDevices::IsConfiguring() const {
+    return is_configuring;
+}
+
+void EmulatedDevices::SaveCurrentConfig() {
+    if (!is_configuring) {
+        return;
+    }
+}
+
+void EmulatedDevices::RestoreConfig() {
+    if (!is_configuring) {
+        return;
+    }
+    ReloadFromSettings();
+}
+
+void EmulatedDevices::SetKeyboardButton(Common::Input::CallbackStatus callback, std::size_t index) {
+    if (index >= device_status.keyboard_values.size()) {
+        return;
+    }
+    std::lock_guard lock{mutex};
+    bool value_changed = false;
+    const auto new_status = TransformToButton(callback);
+    auto& current_status = device_status.keyboard_values[index];
+    current_status.toggle = new_status.toggle;
+
+    // Update button status with current status
+    if (!current_status.toggle) {
+        current_status.locked = false;
+        if (current_status.value != new_status.value) {
+            current_status.value = new_status.value;
+            value_changed = true;
+        }
+    } else {
+        // Toggle button and lock status
+        if (new_status.value && !current_status.locked) {
+            current_status.locked = true;
+            current_status.value = !current_status.value;
+            value_changed = true;
+        }
+
+        // Unlock button, ready for next press
+        if (!new_status.value && current_status.locked) {
+            current_status.locked = false;
+        }
+    }
+
+    if (!value_changed) {
+        return;
+    }
+
+    if (is_configuring) {
+        TriggerOnChange(DeviceTriggerType::Keyboard);
+        return;
+    }
+
+    // Index should be converted from NativeKeyboard to KeyboardKeyIndex
+    UpdateKey(index, current_status.value);
+
+    TriggerOnChange(DeviceTriggerType::Keyboard);
+}
+
+void EmulatedDevices::UpdateKey(std::size_t key_index, bool status) {
+    constexpr std::size_t KEYS_PER_BYTE = 8;
+    auto& entry = device_status.keyboard_state.key[key_index / KEYS_PER_BYTE];
+    const u8 mask = static_cast<u8>(1 << (key_index % KEYS_PER_BYTE));
+    if (status) {
+        entry = entry | mask;
+    } else {
+        entry = static_cast<u8>(entry & ~mask);
+    }
+}
+
+void EmulatedDevices::SetKeyboardModifier(Common::Input::CallbackStatus callback,
+                                          std::size_t index) {
+    if (index >= device_status.keyboard_moddifier_values.size()) {
+        return;
+    }
+    std::lock_guard lock{mutex};
+    bool value_changed = false;
+    const auto new_status = TransformToButton(callback);
+    auto& current_status = device_status.keyboard_moddifier_values[index];
+    current_status.toggle = new_status.toggle;
+
+    // Update button status with current
+    if (!current_status.toggle) {
+        current_status.locked = false;
+        if (current_status.value != new_status.value) {
+            current_status.value = new_status.value;
+            value_changed = true;
+        }
+    } else {
+        // Toggle button and lock status
+        if (new_status.value && !current_status.locked) {
+            current_status.locked = true;
+            current_status.value = !current_status.value;
+            value_changed = true;
+        }
+
+        // Unlock button ready for next press
+        if (!new_status.value && current_status.locked) {
+            current_status.locked = false;
+        }
+    }
+
+    if (!value_changed) {
+        return;
+    }
+
+    if (is_configuring) {
+        TriggerOnChange(DeviceTriggerType::KeyboardModdifier);
+        return;
+    }
+
+    switch (index) {
+    case Settings::NativeKeyboard::LeftControl:
+    case Settings::NativeKeyboard::RightControl:
+        device_status.keyboard_moddifier_state.control.Assign(current_status.value);
+        break;
+    case Settings::NativeKeyboard::LeftShift:
+    case Settings::NativeKeyboard::RightShift:
+        device_status.keyboard_moddifier_state.shift.Assign(current_status.value);
+        break;
+    case Settings::NativeKeyboard::LeftAlt:
+        device_status.keyboard_moddifier_state.left_alt.Assign(current_status.value);
+        break;
+    case Settings::NativeKeyboard::RightAlt:
+        device_status.keyboard_moddifier_state.right_alt.Assign(current_status.value);
+        break;
+    case Settings::NativeKeyboard::CapsLock:
+        device_status.keyboard_moddifier_state.caps_lock.Assign(current_status.value);
+        break;
+    case Settings::NativeKeyboard::ScrollLock:
+        device_status.keyboard_moddifier_state.scroll_lock.Assign(current_status.value);
+        break;
+    case Settings::NativeKeyboard::NumLock:
+        device_status.keyboard_moddifier_state.num_lock.Assign(current_status.value);
+        break;
+    }
+
+    TriggerOnChange(DeviceTriggerType::KeyboardModdifier);
+}
+
+void EmulatedDevices::SetMouseButton(Common::Input::CallbackStatus callback, std::size_t index) {
+    if (index >= device_status.mouse_button_values.size()) {
+        return;
+    }
+    std::lock_guard lock{mutex};
+    bool value_changed = false;
+    const auto new_status = TransformToButton(callback);
+    auto& current_status = device_status.mouse_button_values[index];
+    current_status.toggle = new_status.toggle;
+
+    // Update button status with current
+    if (!current_status.toggle) {
+        current_status.locked = false;
+        if (current_status.value != new_status.value) {
+            current_status.value = new_status.value;
+            value_changed = true;
+        }
+    } else {
+        // Toggle button and lock status
+        if (new_status.value && !current_status.locked) {
+            current_status.locked = true;
+            current_status.value = !current_status.value;
+            value_changed = true;
+        }
+
+        // Unlock button ready for next press
+        if (!new_status.value && current_status.locked) {
+            current_status.locked = false;
+        }
+    }
+
+    if (!value_changed) {
+        return;
+    }
+
+    if (is_configuring) {
+        TriggerOnChange(DeviceTriggerType::Mouse);
+        return;
+    }
+
+    switch (index) {
+    case Settings::NativeMouseButton::Left:
+        device_status.mouse_button_state.left.Assign(current_status.value);
+        break;
+    case Settings::NativeMouseButton::Right:
+        device_status.mouse_button_state.right.Assign(current_status.value);
+        break;
+    case Settings::NativeMouseButton::Middle:
+        device_status.mouse_button_state.middle.Assign(current_status.value);
+        break;
+    case Settings::NativeMouseButton::Forward:
+        device_status.mouse_button_state.forward.Assign(current_status.value);
+        break;
+    case Settings::NativeMouseButton::Back:
+        device_status.mouse_button_state.back.Assign(current_status.value);
+        break;
+    }
+
+    TriggerOnChange(DeviceTriggerType::Mouse);
+}
+
+void EmulatedDevices::SetMouseAnalog(Common::Input::CallbackStatus callback, std::size_t index) {
+    if (index >= device_status.mouse_analog_values.size()) {
+        return;
+    }
+    std::lock_guard lock{mutex};
+    const auto analog_value = TransformToAnalog(callback);
+
+    device_status.mouse_analog_values[index] = analog_value;
+
+    if (is_configuring) {
+        device_status.mouse_position_state = {};
+        TriggerOnChange(DeviceTriggerType::Mouse);
+        return;
+    }
+
+    switch (index) {
+    case Settings::NativeMouseWheel::X:
+        device_status.mouse_wheel_state.x = static_cast<s32>(analog_value.value);
+        break;
+    case Settings::NativeMouseWheel::Y:
+        device_status.mouse_wheel_state.y = static_cast<s32>(analog_value.value);
+        break;
+    }
+
+    TriggerOnChange(DeviceTriggerType::Mouse);
+}
+
+void EmulatedDevices::SetMouseStick(Common::Input::CallbackStatus callback) {
+    std::lock_guard lock{mutex};
+    const auto touch_value = TransformToTouch(callback);
+
+    device_status.mouse_stick_value = touch_value;
+
+    if (is_configuring) {
+        device_status.mouse_position_state = {};
+        TriggerOnChange(DeviceTriggerType::Mouse);
+        return;
+    }
+
+    device_status.mouse_position_state.x = touch_value.x.value;
+    device_status.mouse_position_state.y = touch_value.y.value;
+
+    TriggerOnChange(DeviceTriggerType::Mouse);
+}
+
+KeyboardValues EmulatedDevices::GetKeyboardValues() const {
+    return device_status.keyboard_values;
+}
+
+KeyboardModifierValues EmulatedDevices::GetKeyboardModdifierValues() const {
+    return device_status.keyboard_moddifier_values;
+}
+
+MouseButtonValues EmulatedDevices::GetMouseButtonsValues() const {
+    return device_status.mouse_button_values;
+}
+
+KeyboardKey EmulatedDevices::GetKeyboard() const {
+    return device_status.keyboard_state;
+}
+
+KeyboardModifier EmulatedDevices::GetKeyboardModifier() const {
+    return device_status.keyboard_moddifier_state;
+}
+
+MouseButton EmulatedDevices::GetMouseButtons() const {
+    return device_status.mouse_button_state;
+}
+
+MousePosition EmulatedDevices::GetMousePosition() const {
+    return device_status.mouse_position_state;
+}
+
+AnalogStickState EmulatedDevices::GetMouseWheel() const {
+    return device_status.mouse_wheel_state;
+}
+
+void EmulatedDevices::TriggerOnChange(DeviceTriggerType type) {
+    for (const auto& poller_pair : callback_list) {
+        const InterfaceUpdateCallback& poller = poller_pair.second;
+        if (poller.on_change) {
+            poller.on_change(type);
+        }
+    }
+}
+
+int EmulatedDevices::SetCallback(InterfaceUpdateCallback update_callback) {
+    std::lock_guard lock{mutex};
+    callback_list.insert_or_assign(last_callback_key, update_callback);
+    return last_callback_key++;
+}
+
+void EmulatedDevices::DeleteCallback(int key) {
+    std::lock_guard lock{mutex};
+    const auto& iterator = callback_list.find(key);
+    if (iterator == callback_list.end()) {
+        LOG_ERROR(Input, "Tried to delete non-existent callback {}", key);
+        return;
+    }
+    callback_list.erase(iterator);
+}
+} // namespace Core::HID

src/core/hid/emulated_devices.h

@@ -0,0 +1,209 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <functional>
+#include <memory>
+#include <mutex>
+#include <unordered_map>
+
+#include "common/common_types.h"
+#include "common/input.h"
+#include "common/param_package.h"
+#include "common/settings.h"
+#include "core/hid/hid_types.h"
+
+namespace Core::HID {
+using KeyboardDevices = std::array<std::unique_ptr<Common::Input::InputDevice>,
+                                   Settings::NativeKeyboard::NumKeyboardKeys>;
+using KeyboardModifierDevices = std::array<std::unique_ptr<Common::Input::InputDevice>,
+                                           Settings::NativeKeyboard::NumKeyboardMods>;
+using MouseButtonDevices = std::array<std::unique_ptr<Common::Input::InputDevice>,
+                                      Settings::NativeMouseButton::NumMouseButtons>;
+using MouseAnalogDevices = std::array<std::unique_ptr<Common::Input::InputDevice>,
+                                      Settings::NativeMouseWheel::NumMouseWheels>;
+using MouseStickDevice = std::unique_ptr<Common::Input::InputDevice>;
+
+using MouseButtonParams =
+    std::array<Common::ParamPackage, Settings::NativeMouseButton::NumMouseButtons>;
+
+using KeyboardValues =
+    std::array<Common::Input::ButtonStatus, Settings::NativeKeyboard::NumKeyboardKeys>;
+using KeyboardModifierValues =
+    std::array<Common::Input::ButtonStatus, Settings::NativeKeyboard::NumKeyboardMods>;
+using MouseButtonValues =
+    std::array<Common::Input::ButtonStatus, Settings::NativeMouseButton::NumMouseButtons>;
+using MouseAnalogValues =
+    std::array<Common::Input::AnalogStatus, Settings::NativeMouseWheel::NumMouseWheels>;
+using MouseStickValue = Common::Input::TouchStatus;
+
+struct MousePosition {
+    f32 x;
+    f32 y;
+};
+
+struct DeviceStatus {
+    // Data from input_common
+    KeyboardValues keyboard_values{};
+    KeyboardModifierValues keyboard_moddifier_values{};
+    MouseButtonValues mouse_button_values{};
+    MouseAnalogValues mouse_analog_values{};
+    MouseStickValue mouse_stick_value{};
+
+    // Data for HID serices
+    KeyboardKey keyboard_state{};
+    KeyboardModifier keyboard_moddifier_state{};
+    MouseButton mouse_button_state{};
+    MousePosition mouse_position_state{};
+    AnalogStickState mouse_wheel_state{};
+};
+
+enum class DeviceTriggerType {
+    Keyboard,
+    KeyboardModdifier,
+    Mouse,
+};
+
+struct InterfaceUpdateCallback {
+    std::function<void(DeviceTriggerType)> on_change;
+};
+
+class EmulatedDevices {
+public:
+    /**
+     * Contains all input data related to external devices that aren't necesarily a controller
+     * like keyboard and mouse
+     */
+    EmulatedDevices();
+    ~EmulatedDevices();
+
+    YUZU_NON_COPYABLE(EmulatedDevices);
+    YUZU_NON_MOVEABLE(EmulatedDevices);
+
+    /// Removes all callbacks created from input devices
+    void UnloadInput();
+
+    /// Sets the emulated console into configuring mode. Locking all HID service events from being
+    /// moddified
+    void EnableConfiguration();
+
+    /// Returns the emulated console to the normal behaivour
+    void DisableConfiguration();
+
+    /// Returns true if the emulated device is on configuring mode
+    bool IsConfiguring() const;
+
+    /// Reload all input devices
+    void ReloadInput();
+
+    /// Overrides current mapped devices with the stored configuration and reloads all input devices
+    void ReloadFromSettings();
+
+    /// Saves the current mapped configuration
+    void SaveCurrentConfig();
+
+    /// Reverts any mapped changes made that weren't saved
+    void RestoreConfig();
+
+    /// Returns the latest status of button input from the keyboard with parameters
+    KeyboardValues GetKeyboardValues() const;
+
+    /// Returns the latest status of button input from the keyboard modifiers with parameters
+    KeyboardModifierValues GetKeyboardModdifierValues() const;
+
+    /// Returns the latest status of button input from the mouse with parameters
+    MouseButtonValues GetMouseButtonsValues() const;
+
+    /// Returns the latest status of button input from the keyboard
+    KeyboardKey GetKeyboard() const;
+
+    /// Returns the latest status of button input from the keyboard modifiers
+    KeyboardModifier GetKeyboardModifier() const;
+
+    /// Returns the latest status of button input from the mouse
+    MouseButton GetMouseButtons() const;
+
+    /// Returns the latest mouse coordinates
+    MousePosition GetMousePosition() const;
+
+    /// Returns the latest mouse wheel change
+    AnalogStickState GetMouseWheel() const;
+
+    /**
+     * Adds a callback to the list of events
+     * @param InterfaceUpdateCallback that will be triggered
+     * @return an unique key corresponding to the callback index in the list
+     */
+    int SetCallback(InterfaceUpdateCallback update_callback);
+
+    /**
+     * Removes a callback from the list stopping any future events to this object
+     * @param Key corresponding to the callback index in the list
+     */
+    void DeleteCallback(int key);
+
+private:
+    /// Helps assigning a value to keyboard_state
+    void UpdateKey(std::size_t key_index, bool status);
+
+    /**
+     * Updates the touch status of the keyboard device
+     * @param callback: A CallbackStatus containing the key status
+     * @param index: key ID to be updated
+     */
+    void SetKeyboardButton(Common::Input::CallbackStatus callback, std::size_t index);
+
+    /**
+     * Updates the keyboard status of the keyboard device
+     * @param callback: A CallbackStatus containing the modifier key status
+     * @param index: modifier key ID to be updated
+     */
+    void SetKeyboardModifier(Common::Input::CallbackStatus callback, std::size_t index);
+
+    /**
+     * Updates the mouse button status of the mouse device
+     * @param callback: A CallbackStatus containing the button status
+     * @param index: Button ID to be updated
+     */
+    void SetMouseButton(Common::Input::CallbackStatus callback, std::size_t index);
+
+    /**
+     * Updates the mouse wheel status of the mouse device
+     * @param callback: A CallbackStatus containing the wheel status
+     * @param index: wheel ID to be updated
+     */
+    void SetMouseAnalog(Common::Input::CallbackStatus callback, std::size_t index);
+
+    /**
+     * Updates the mouse position status of the mouse device
+     * @param callback: A CallbackStatus containing the position status
+     * @param index: stick ID to be updated
+     */
+    void SetMouseStick(Common::Input::CallbackStatus callback);
+
+    /**
+     * Triggers a callback that something has changed on the device status
+     * @param Input type of the event to trigger
+     */
+    void TriggerOnChange(DeviceTriggerType type);
+
+    bool is_configuring{false};
+
+    KeyboardDevices keyboard_devices;
+    KeyboardModifierDevices keyboard_modifier_devices;
+    MouseButtonDevices mouse_button_devices;
+    MouseAnalogDevices mouse_analog_devices;
+    MouseStickDevice mouse_stick_device;
+
+    mutable std::mutex mutex;
+    std::unordered_map<int, InterfaceUpdateCallback> callback_list;
+    int last_callback_key = 0;
+
+    // Stores the current status of all external device input
+    DeviceStatus device_status;
+};
+
+} // namespace Core::HID

src/core/hid/hid_core.cpp

@@ -0,0 +1,168 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "core/hid/emulated_console.h"
+#include "core/hid/emulated_controller.h"
+#include "core/hid/emulated_devices.h"
+#include "core/hid/hid_core.h"
+
+namespace Core::HID {
+
+HIDCore::HIDCore()
+    : player_1{std::make_unique<EmulatedController>(NpadIdType::Player1)},
+      player_2{std::make_unique<EmulatedController>(NpadIdType::Player2)},
+      player_3{std::make_unique<EmulatedController>(NpadIdType::Player3)},
+      player_4{std::make_unique<EmulatedController>(NpadIdType::Player4)},
+      player_5{std::make_unique<EmulatedController>(NpadIdType::Player5)},
+      player_6{std::make_unique<EmulatedController>(NpadIdType::Player6)},
+      player_7{std::make_unique<EmulatedController>(NpadIdType::Player7)},
+      player_8{std::make_unique<EmulatedController>(NpadIdType::Player8)},
+      other{std::make_unique<EmulatedController>(NpadIdType::Other)},
+      handheld{std::make_unique<EmulatedController>(NpadIdType::Handheld)},
+      console{std::make_unique<EmulatedConsole>()}, devices{std::make_unique<EmulatedDevices>()} {}
+
+HIDCore::~HIDCore() = default;
+
+EmulatedController* HIDCore::GetEmulatedController(NpadIdType npad_id_type) {
+    switch (npad_id_type) {
+    case NpadIdType::Player1:
+        return player_1.get();
+    case NpadIdType::Player2:
+        return player_2.get();
+    case NpadIdType::Player3:
+        return player_3.get();
+    case NpadIdType::Player4:
+        return player_4.get();
+    case NpadIdType::Player5:
+        return player_5.get();
+    case NpadIdType::Player6:
+        return player_6.get();
+    case NpadIdType::Player7:
+        return player_7.get();
+    case NpadIdType::Player8:
+        return player_8.get();
+    case NpadIdType::Other:
+        return other.get();
+    case NpadIdType::Handheld:
+        return handheld.get();
+    case NpadIdType::Invalid:
+    default:
+        UNREACHABLE_MSG("Invalid NpadIdType={}", npad_id_type);
+        return nullptr;
+    }
+}
+
+const EmulatedController* HIDCore::GetEmulatedController(NpadIdType npad_id_type) const {
+    switch (npad_id_type) {
+    case NpadIdType::Player1:
+        return player_1.get();
+    case NpadIdType::Player2:
+        return player_2.get();
+    case NpadIdType::Player3:
+        return player_3.get();
+    case NpadIdType::Player4:
+        return player_4.get();
+    case NpadIdType::Player5:
+        return player_5.get();
+    case NpadIdType::Player6:
+        return player_6.get();
+    case NpadIdType::Player7:
+        return player_7.get();
+    case NpadIdType::Player8:
+        return player_8.get();
+    case NpadIdType::Other:
+        return other.get();
+    case NpadIdType::Handheld:
+        return handheld.get();
+    case NpadIdType::Invalid:
+    default:
+        UNREACHABLE_MSG("Invalid NpadIdType={}", npad_id_type);
+        return nullptr;
+    }
+}
+EmulatedConsole* HIDCore::GetEmulatedConsole() {
+    return console.get();
+}
+
+const EmulatedConsole* HIDCore::GetEmulatedConsole() const {
+    return console.get();
+}
+
+EmulatedDevices* HIDCore::GetEmulatedDevices() {
+    return devices.get();
+}
+
+const EmulatedDevices* HIDCore::GetEmulatedDevices() const {
+    return devices.get();
+}
+
+EmulatedController* HIDCore::GetEmulatedControllerByIndex(std::size_t index) {
+    return GetEmulatedController(IndexToNpadIdType(index));
+}
+
+const EmulatedController* HIDCore::GetEmulatedControllerByIndex(std::size_t index) const {
+    return GetEmulatedController(IndexToNpadIdType(index));
+}
+
+void HIDCore::SetSupportedStyleTag(NpadStyleTag style_tag) {
+    supported_style_tag.raw = style_tag.raw;
+}
+
+NpadStyleTag HIDCore::GetSupportedStyleTag() const {
+    return supported_style_tag;
+}
+
+s8 HIDCore::GetPlayerCount() const {
+    s8 active_players = 0;
+    for (std::size_t player_index = 0; player_index < available_controllers - 2; ++player_index) {
+        const auto* const controller = GetEmulatedControllerByIndex(player_index);
+        if (controller->IsConnected()) {
+            active_players++;
+        }
+    }
+    return active_players;
+}
+
+NpadIdType HIDCore::GetFirstNpadId() const {
+    for (std::size_t player_index = 0; player_index < available_controllers; ++player_index) {
+        const auto* const controller = GetEmulatedControllerByIndex(player_index);
+        if (controller->IsConnected()) {
+            return controller->GetNpadIdType();
+        }
+    }
+    return NpadIdType::Player1;
+}
+
+void HIDCore::ReloadInputDevices() {
+    player_1->ReloadFromSettings();
+    player_2->ReloadFromSettings();
+    player_3->ReloadFromSettings();
+    player_4->ReloadFromSettings();
+    player_5->ReloadFromSettings();
+    player_6->ReloadFromSettings();
+    player_7->ReloadFromSettings();
+    player_8->ReloadFromSettings();
+    other->ReloadFromSettings();
+    handheld->ReloadFromSettings();
+    console->ReloadFromSettings();
+    devices->ReloadFromSettings();
+}
+
+void HIDCore::UnloadInputDevices() {
+    player_1->UnloadInput();
+    player_2->UnloadInput();
+    player_3->UnloadInput();
+    player_4->UnloadInput();
+    player_5->UnloadInput();
+    player_6->UnloadInput();
+    player_7->UnloadInput();
+    player_8->UnloadInput();
+    other->UnloadInput();
+    handheld->UnloadInput();
+    console->UnloadInput();
+    devices->UnloadInput();
+}
+
+} // namespace Core::HID

src/core/hid/hid_core.h

@@ -0,0 +1,73 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+
+#include "core/hid/hid_types.h"
+
+namespace Core::HID {
+class EmulatedConsole;
+class EmulatedController;
+class EmulatedDevices;
+} // namespace Core::HID
+
+namespace Core::HID {
+
+class HIDCore {
+public:
+    explicit HIDCore();
+    ~HIDCore();
+
+    YUZU_NON_COPYABLE(HIDCore);
+    YUZU_NON_MOVEABLE(HIDCore);
+
+    EmulatedController* GetEmulatedController(NpadIdType npad_id_type);
+    const EmulatedController* GetEmulatedController(NpadIdType npad_id_type) const;
+
+    EmulatedController* GetEmulatedControllerByIndex(std::size_t index);
+    const EmulatedController* GetEmulatedControllerByIndex(std::size_t index) const;
+
+    EmulatedConsole* GetEmulatedConsole();
+    const EmulatedConsole* GetEmulatedConsole() const;
+
+    EmulatedDevices* GetEmulatedDevices();
+    const EmulatedDevices* GetEmulatedDevices() const;
+
+    void SetSupportedStyleTag(NpadStyleTag style_tag);
+    NpadStyleTag GetSupportedStyleTag() const;
+
+    /// Counts the connected players from P1-P8
+    s8 GetPlayerCount() const;
+
+    /// Returns the first connected npad id
+    NpadIdType GetFirstNpadId() const;
+
+    /// Reloads all input devices from settings
+    void ReloadInputDevices();
+
+    /// Removes all callbacks from input common
+    void UnloadInputDevices();
+
+    /// Number of emulated controllers
+    static constexpr std::size_t available_controllers{10};
+
+private:
+    std::unique_ptr<EmulatedController> player_1;
+    std::unique_ptr<EmulatedController> player_2;
+    std::unique_ptr<EmulatedController> player_3;
+    std::unique_ptr<EmulatedController> player_4;
+    std::unique_ptr<EmulatedController> player_5;
+    std::unique_ptr<EmulatedController> player_6;
+    std::unique_ptr<EmulatedController> player_7;
+    std::unique_ptr<EmulatedController> player_8;
+    std::unique_ptr<EmulatedController> other;
+    std::unique_ptr<EmulatedController> handheld;
+    std::unique_ptr<EmulatedConsole> console;
+    std::unique_ptr<EmulatedDevices> devices;
+    NpadStyleTag supported_style_tag;
+};
+
+} // namespace Core::HID

src/core/hid/hid_types.h

@@ -0,0 +1,631 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/bit_field.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "common/point.h"
+#include "common/uuid.h"
+
+namespace Core::HID {
+
+enum class DeviceIndex : u8 {
+    Left = 0,
+    Right = 1,
+    None = 2,
+    MaxDeviceIndex = 3,
+};
+
+// This is nn::hid::NpadButton
+enum class NpadButton : u64 {
+    None = 0,
+    A = 1U << 0,
+    B = 1U << 1,
+    X = 1U << 2,
+    Y = 1U << 3,
+    StickL = 1U << 4,
+    StickR = 1U << 5,
+    L = 1U << 6,
+    R = 1U << 7,
+    ZL = 1U << 8,
+    ZR = 1U << 9,
+    Plus = 1U << 10,
+    Minus = 1U << 11,
+
+    Left = 1U << 12,
+    Up = 1U << 13,
+    Right = 1U << 14,
+    Down = 1U << 15,
+
+    StickLLeft = 1U << 16,
+    StickLUp = 1U << 17,
+    StickLRight = 1U << 18,
+    StickLDown = 1U << 19,
+
+    StickRLeft = 1U << 20,
+    StickRUp = 1U << 21,
+    StickRRight = 1U << 22,
+    StickRDown = 1U << 23,
+
+    LeftSL = 1U << 24,
+    LeftSR = 1U << 25,
+
+    RightSL = 1U << 26,
+    RightSR = 1U << 27,
+
+    Palma = 1U << 28,
+    Verification = 1U << 29,
+    HandheldLeftB = 1U << 30,
+    LagonCLeft = 1U << 31,
+    LagonCUp = 1ULL << 32,
+    LagonCRight = 1ULL << 33,
+    LagonCDown = 1ULL << 34,
+};
+DECLARE_ENUM_FLAG_OPERATORS(NpadButton);
+
+enum class KeyboardKeyIndex : u32 {
+    A = 4,
+    B = 5,
+    C = 6,
+    D = 7,
+    E = 8,
+    F = 9,
+    G = 10,
+    H = 11,
+    I = 12,
+    J = 13,
+    K = 14,
+    L = 15,
+    M = 16,
+    N = 17,
+    O = 18,
+    P = 19,
+    Q = 20,
+    R = 21,
+    S = 22,
+    T = 23,
+    U = 24,
+    V = 25,
+    W = 26,
+    X = 27,
+    Y = 28,
+    Z = 29,
+    D1 = 30,
+    D2 = 31,
+    D3 = 32,
+    D4 = 33,
+    D5 = 34,
+    D6 = 35,
+    D7 = 36,
+    D8 = 37,
+    D9 = 38,
+    D0 = 39,
+    Return = 40,
+    Escape = 41,
+    Backspace = 42,
+    Tab = 43,
+    Space = 44,
+    Minus = 45,
+    Plus = 46,
+    OpenBracket = 47,
+    CloseBracket = 48,
+    Pipe = 49,
+    Tilde = 50,
+    Semicolon = 51,
+    Quote = 52,
+    Backquote = 53,
+    Comma = 54,
+    Period = 55,
+    Slash = 56,
+    CapsLock = 57,
+    F1 = 58,
+    F2 = 59,
+    F3 = 60,
+    F4 = 61,
+    F5 = 62,
+    F6 = 63,
+    F7 = 64,
+    F8 = 65,
+    F9 = 66,
+    F10 = 67,
+    F11 = 68,
+    F12 = 69,
+    PrintScreen = 70,
+    ScrollLock = 71,
+    Pause = 72,
+    Insert = 73,
+    Home = 74,
+    PageUp = 75,
+    Delete = 76,
+    End = 77,
+    PageDown = 78,
+    RightArrow = 79,
+    LeftArrow = 80,
+    DownArrow = 81,
+    UpArrow = 82,
+    NumLock = 83,
+    NumPadDivide = 84,
+    NumPadMultiply = 85,
+    NumPadSubtract = 86,
+    NumPadAdd = 87,
+    NumPadEnter = 88,
+    NumPad1 = 89,
+    NumPad2 = 90,
+    NumPad3 = 91,
+    NumPad4 = 92,
+    NumPad5 = 93,
+    NumPad6 = 94,
+    NumPad7 = 95,
+    NumPad8 = 96,
+    NumPad9 = 97,
+    NumPad0 = 98,
+    NumPadDot = 99,
+    Backslash = 100,
+    Application = 101,
+    Power = 102,
+    NumPadEquals = 103,
+    F13 = 104,
+    F14 = 105,
+    F15 = 106,
+    F16 = 107,
+    F17 = 108,
+    F18 = 109,
+    F19 = 110,
+    F20 = 111,
+    F21 = 112,
+    F22 = 113,
+    F23 = 114,
+    F24 = 115,
+    NumPadComma = 133,
+    Ro = 135,
+    KatakanaHiragana = 136,
+    Yen = 137,
+    Henkan = 138,
+    Muhenkan = 139,
+    NumPadCommaPc98 = 140,
+    HangulEnglish = 144,
+    Hanja = 145,
+    Katakana = 146,
+    Hiragana = 147,
+    ZenkakuHankaku = 148,
+    LeftControl = 224,
+    LeftShift = 225,
+    LeftAlt = 226,
+    LeftGui = 227,
+    RightControl = 228,
+    RightShift = 229,
+    RightAlt = 230,
+    RightGui = 231,
+};
+
+// This is nn::hid::NpadIdType
+enum class NpadIdType : u32 {
+    Player1 = 0x0,
+    Player2 = 0x1,
+    Player3 = 0x2,
+    Player4 = 0x3,
+    Player5 = 0x4,
+    Player6 = 0x5,
+    Player7 = 0x6,
+    Player8 = 0x7,
+    Other = 0x10,
+    Handheld = 0x20,
+
+    Invalid = 0xFFFFFFFF,
+};
+
+// This is nn::hid::NpadStyleIndex
+enum class NpadStyleIndex : u8 {
+    None = 0,
+    ProController = 3,
+    Handheld = 4,
+    HandheldNES = 4,
+    JoyconDual = 5,
+    JoyconLeft = 6,
+    JoyconRight = 7,
+    GameCube = 8,
+    Pokeball = 9,
+    NES = 10,
+    SNES = 12,
+    N64 = 13,
+    SegaGenesis = 14,
+    SystemExt = 32,
+    System = 33,
+    MaxNpadType = 34,
+};
+
+// This is nn::hid::NpadStyleSet
+enum class NpadStyleSet : u32 {
+    None = 0,
+    Fullkey = 1U << 0,
+    Handheld = 1U << 1,
+    JoyDual = 1U << 2,
+    JoyLeft = 1U << 3,
+    JoyRight = 1U << 4,
+    Gc = 1U << 5,
+    Palma = 1U << 6,
+    Lark = 1U << 7,
+    HandheldLark = 1U << 8,
+    Lucia = 1U << 9,
+    Lagoon = 1U << 10,
+    Lager = 1U << 11,
+    SystemExt = 1U << 29,
+    System = 1U << 30,
+};
+static_assert(sizeof(NpadStyleSet) == 4, "NpadStyleSet is an invalid size");
+
+// This is nn::hid::VibrationDevicePosition
+enum class VibrationDevicePosition : u32 {
+    None = 0,
+    Left = 1,
+    Right = 2,
+};
+
+// This is nn::hid::VibrationDeviceType
+enum class VibrationDeviceType : u32 {
+    Unknown = 0,
+    LinearResonantActuator = 1,
+    GcErm = 2,
+};
+
+// This is nn::hid::VibrationGcErmCommand
+enum class VibrationGcErmCommand : u64 {
+    Stop = 0,
+    Start = 1,
+    StopHard = 2,
+};
+
+// This is nn::hid::NpadStyleTag
+struct NpadStyleTag {
+    union {
+        NpadStyleSet raw{};
+
+        BitField<0, 1, u32> fullkey;
+        BitField<1, 1, u32> handheld;
+        BitField<2, 1, u32> joycon_dual;
+        BitField<3, 1, u32> joycon_left;
+        BitField<4, 1, u32> joycon_right;
+        BitField<5, 1, u32> gamecube;
+        BitField<6, 1, u32> palma;
+        BitField<7, 1, u32> lark;
+        BitField<8, 1, u32> handheld_lark;
+        BitField<9, 1, u32> lucia;
+        BitField<10, 1, u32> lagoon;
+        BitField<11, 1, u32> lager;
+        BitField<29, 1, u32> system_ext;
+        BitField<30, 1, u32> system;
+    };
+};
+static_assert(sizeof(NpadStyleTag) == 4, "NpadStyleTag is an invalid size");
+
+// This is nn::hid::TouchAttribute
+struct TouchAttribute {
+    union {
+        u32 raw{};
+        BitField<0, 1, u32> start_touch;
+        BitField<1, 1, u32> end_touch;
+    };
+};
+static_assert(sizeof(TouchAttribute) == 0x4, "TouchAttribute is an invalid size");
+
+// This is nn::hid::TouchState
+struct TouchState {
+    u64 delta_time;
+    TouchAttribute attribute;
+    u32 finger;
+    Common::Point<u32> position;
+    u32 diameter_x;
+    u32 diameter_y;
+    u32 rotation_angle;
+};
+static_assert(sizeof(TouchState) == 0x28, "Touchstate is an invalid size");
+
+// This is nn::hid::NpadControllerColor
+struct NpadControllerColor {
+    u32 body;
+    u32 button;
+};
+static_assert(sizeof(NpadControllerColor) == 8, "NpadControllerColor is an invalid size");
+
+// This is nn::hid::AnalogStickState
+struct AnalogStickState {
+    s32 x;
+    s32 y;
+};
+static_assert(sizeof(AnalogStickState) == 8, "AnalogStickState is an invalid size");
+
+// This is nn::hid::server::NpadGcTriggerState
+struct NpadGcTriggerState {
+    s64 sampling_number{};
+    s32 left{};
+    s32 right{};
+};
+static_assert(sizeof(NpadGcTriggerState) == 0x10, "NpadGcTriggerState is an invalid size");
+
+// This is nn::hid::system::NpadBatteryLevel
+using NpadBatteryLevel = u32;
+static_assert(sizeof(NpadBatteryLevel) == 0x4, "NpadBatteryLevel is an invalid size");
+
+// This is nn::hid::system::NpadPowerInfo
+struct NpadPowerInfo {
+    bool is_powered;
+    bool is_charging;
+    INSERT_PADDING_BYTES(0x6);
+    NpadBatteryLevel battery_level;
+};
+static_assert(sizeof(NpadPowerInfo) == 0xC, "NpadPowerInfo is an invalid size");
+
+struct LedPattern {
+    explicit LedPattern(u64 light1, u64 light2, u64 light3, u64 light4) {
+        position1.Assign(light1);
+        position2.Assign(light2);
+        position3.Assign(light3);
+        position4.Assign(light4);
+    }
+    union {
+        u64 raw{};
+        BitField<0, 1, u64> position1;
+        BitField<1, 1, u64> position2;
+        BitField<2, 1, u64> position3;
+        BitField<3, 1, u64> position4;
+    };
+};
+
+struct NpadButtonState {
+    union {
+        NpadButton raw{};
+
+        // Buttons
+        BitField<0, 1, u64> a;
+        BitField<1, 1, u64> b;
+        BitField<2, 1, u64> x;
+        BitField<3, 1, u64> y;
+        BitField<4, 1, u64> stick_l;
+        BitField<5, 1, u64> stick_r;
+        BitField<6, 1, u64> l;
+        BitField<7, 1, u64> r;
+        BitField<8, 1, u64> zl;
+        BitField<9, 1, u64> zr;
+        BitField<10, 1, u64> plus;
+        BitField<11, 1, u64> minus;
+
+        // D-Pad
+        BitField<12, 1, u64> left;
+        BitField<13, 1, u64> up;
+        BitField<14, 1, u64> right;
+        BitField<15, 1, u64> down;
+
+        // Left JoyStick
+        BitField<16, 1, u64> stick_l_left;
+        BitField<17, 1, u64> stick_l_up;
+        BitField<18, 1, u64> stick_l_right;
+        BitField<19, 1, u64> stick_l_down;
+
+        // Right JoyStick
+        BitField<20, 1, u64> stick_r_left;
+        BitField<21, 1, u64> stick_r_up;
+        BitField<22, 1, u64> stick_r_right;
+        BitField<23, 1, u64> stick_r_down;
+
+        BitField<24, 1, u64> left_sl;
+        BitField<25, 1, u64> left_sr;
+
+        BitField<26, 1, u64> right_sl;
+        BitField<27, 1, u64> right_sr;
+
+        BitField<28, 1, u64> palma;
+        BitField<29, 1, u64> verification;
+        BitField<30, 1, u64> handheld_left_b;
+        BitField<31, 1, u64> lagon_c_left;
+        BitField<32, 1, u64> lagon_c_up;
+        BitField<33, 1, u64> lagon_c_right;
+        BitField<34, 1, u64> lagon_c_down;
+    };
+};
+static_assert(sizeof(NpadButtonState) == 0x8, "NpadButtonState has incorrect size.");
+
+// This is nn::hid::DebugPadButton
+struct DebugPadButton {
+    union {
+        u32 raw{};
+        BitField<0, 1, u32> a;
+        BitField<1, 1, u32> b;
+        BitField<2, 1, u32> x;
+        BitField<3, 1, u32> y;
+        BitField<4, 1, u32> l;
+        BitField<5, 1, u32> r;
+        BitField<6, 1, u32> zl;
+        BitField<7, 1, u32> zr;
+        BitField<8, 1, u32> plus;
+        BitField<9, 1, u32> minus;
+        BitField<10, 1, u32> d_left;
+        BitField<11, 1, u32> d_up;
+        BitField<12, 1, u32> d_right;
+        BitField<13, 1, u32> d_down;
+    };
+};
+static_assert(sizeof(DebugPadButton) == 0x4, "DebugPadButton is an invalid size");
+
+// This is nn::hid::ConsoleSixAxisSensorHandle
+struct ConsoleSixAxisSensorHandle {
+    u8 unknown_1;
+    u8 unknown_2;
+    INSERT_PADDING_BYTES_NOINIT(2);
+};
+static_assert(sizeof(ConsoleSixAxisSensorHandle) == 4,
+              "ConsoleSixAxisSensorHandle is an invalid size");
+
+// This is nn::hid::SixAxisSensorHandle
+struct SixAxisSensorHandle {
+    NpadStyleIndex npad_type;
+    u8 npad_id;
+    DeviceIndex device_index;
+    INSERT_PADDING_BYTES_NOINIT(1);
+};
+static_assert(sizeof(SixAxisSensorHandle) == 4, "SixAxisSensorHandle is an invalid size");
+
+struct SixAxisSensorFusionParameters {
+    f32 parameter1;
+    f32 parameter2;
+};
+static_assert(sizeof(SixAxisSensorFusionParameters) == 8,
+              "SixAxisSensorFusionParameters is an invalid size");
+
+// This is nn::hid::VibrationDeviceHandle
+struct VibrationDeviceHandle {
+    NpadStyleIndex npad_type;
+    u8 npad_id;
+    DeviceIndex device_index;
+    INSERT_PADDING_BYTES_NOINIT(1);
+};
+static_assert(sizeof(VibrationDeviceHandle) == 4, "SixAxisSensorHandle is an invalid size");
+
+// This is nn::hid::VibrationValue
+struct VibrationValue {
+    f32 low_amplitude;
+    f32 low_frequency;
+    f32 high_amplitude;
+    f32 high_frequency;
+};
+static_assert(sizeof(VibrationValue) == 0x10, "VibrationValue has incorrect size.");
+
+// This is nn::hid::VibrationDeviceInfo
+struct VibrationDeviceInfo {
+    VibrationDeviceType type{};
+    VibrationDevicePosition position{};
+};
+static_assert(sizeof(VibrationDeviceInfo) == 0x8, "VibrationDeviceInfo has incorrect size.");
+
+// This is nn::hid::KeyboardModifier
+struct KeyboardModifier {
+    union {
+        u32 raw{};
+        BitField<0, 1, u32> control;
+        BitField<1, 1, u32> shift;
+        BitField<2, 1, u32> left_alt;
+        BitField<3, 1, u32> right_alt;
+        BitField<4, 1, u32> gui;
+        BitField<8, 1, u32> caps_lock;
+        BitField<9, 1, u32> scroll_lock;
+        BitField<10, 1, u32> num_lock;
+        BitField<11, 1, u32> katakana;
+        BitField<12, 1, u32> hiragana;
+    };
+};
+
+static_assert(sizeof(KeyboardModifier) == 0x4, "KeyboardModifier is an invalid size");
+
+// This is nn::hid::KeyboardAttribute
+struct KeyboardAttribute {
+    union {
+        u32 raw{};
+        BitField<0, 1, u32> is_connected;
+    };
+};
+static_assert(sizeof(KeyboardAttribute) == 0x4, "KeyboardAttribute is an invalid size");
+
+// This is nn::hid::KeyboardKey
+struct KeyboardKey {
+    // This should be a 256 bit flag
+    std::array<u8, 32> key;
+};
+static_assert(sizeof(KeyboardKey) == 0x20, "KeyboardKey is an invalid size");
+
+// This is nn::hid::MouseButton
+struct MouseButton {
+    union {
+        u32_le raw{};
+        BitField<0, 1, u32> left;
+        BitField<1, 1, u32> right;
+        BitField<2, 1, u32> middle;
+        BitField<3, 1, u32> forward;
+        BitField<4, 1, u32> back;
+    };
+};
+static_assert(sizeof(MouseButton) == 0x4, "MouseButton is an invalid size");
+
+// This is nn::hid::MouseAttribute
+struct MouseAttribute {
+    union {
+        u32 raw{};
+        BitField<0, 1, u32> transferable;
+        BitField<1, 1, u32> is_connected;
+    };
+};
+static_assert(sizeof(MouseAttribute) == 0x4, "MouseAttribute is an invalid size");
+
+// This is nn::hid::detail::MouseState
+struct MouseState {
+    s64 sampling_number;
+    s32 x;
+    s32 y;
+    s32 delta_x;
+    s32 delta_y;
+    // Axis Order in HW is switched for the wheel
+    s32 delta_wheel_y;
+    s32 delta_wheel_x;
+    MouseButton button;
+    MouseAttribute attribute;
+};
+static_assert(sizeof(MouseState) == 0x28, "MouseState is an invalid size");
+
+/// Converts a NpadIdType to an array index.
+constexpr size_t NpadIdTypeToIndex(NpadIdType npad_id_type) {
+    switch (npad_id_type) {
+    case NpadIdType::Player1:
+        return 0;
+    case NpadIdType::Player2:
+        return 1;
+    case NpadIdType::Player3:
+        return 2;
+    case NpadIdType::Player4:
+        return 3;
+    case NpadIdType::Player5:
+        return 4;
+    case NpadIdType::Player6:
+        return 5;
+    case NpadIdType::Player7:
+        return 6;
+    case NpadIdType::Player8:
+        return 7;
+    case NpadIdType::Handheld:
+        return 8;
+    case NpadIdType::Other:
+        return 9;
+    default:
+        return 0;
+    }
+}
+
+/// Converts an array index to a NpadIdType
+constexpr NpadIdType IndexToNpadIdType(size_t index) {
+    switch (index) {
+    case 0:
+        return NpadIdType::Player1;
+    case 1:
+        return NpadIdType::Player2;
+    case 2:
+        return NpadIdType::Player3;
+    case 3:
+        return NpadIdType::Player4;
+    case 4:
+        return NpadIdType::Player5;
+    case 5:
+        return NpadIdType::Player6;
+    case 6:
+        return NpadIdType::Player7;
+    case 7:
+        return NpadIdType::Player8;
+    case 8:
+        return NpadIdType::Handheld;
+    case 9:
+        return NpadIdType::Other;
+    default:
+        return NpadIdType::Invalid;
+    }
+}
+
+} // namespace Core::HID

src/core/hid/input_converter.cpp

@@ -0,0 +1,383 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#include <random>
+
+#include "common/input.h"
+#include "core/hid/input_converter.h"
+
+namespace Core::HID {
+
+Common::Input::BatteryStatus TransformToBattery(const Common::Input::CallbackStatus& callback) {
+    Common::Input::BatteryStatus battery{Common::Input::BatteryStatus::None};
+    switch (callback.type) {
+    case Common::Input::InputType::Analog:
+    case Common::Input::InputType::Trigger: {
+        const auto value = TransformToTrigger(callback).analog.value;
+        battery = Common::Input::BatteryLevel::Empty;
+        if (value > 0.2f) {
+            battery = Common::Input::BatteryLevel::Critical;
+        }
+        if (value > 0.4f) {
+            battery = Common::Input::BatteryLevel::Low;
+        }
+        if (value > 0.6f) {
+            battery = Common::Input::BatteryLevel::Medium;
+        }
+        if (value > 0.8f) {
+            battery = Common::Input::BatteryLevel::Full;
+        }
+        if (value >= 1.0f) {
+            battery = Common::Input::BatteryLevel::Charging;
+        }
+        break;
+    }
+    case Common::Input::InputType::Button:
+        battery = callback.button_status.value ? Common::Input::BatteryLevel::Charging
+                                               : Common::Input::BatteryLevel::Critical;
+        break;
+    case Common::Input::InputType::Battery:
+        battery = callback.battery_status;
+        break;
+    default:
+        LOG_ERROR(Input, "Conversion from type {} to battery not implemented", callback.type);
+        break;
+    }
+
+    return battery;
+}
+
+Common::Input::ButtonStatus TransformToButton(const Common::Input::CallbackStatus& callback) {
+    Common::Input::ButtonStatus status{};
+    switch (callback.type) {
+    case Common::Input::InputType::Analog:
+    case Common::Input::InputType::Trigger:
+        status.value = TransformToTrigger(callback).pressed.value;
+        break;
+    case Common::Input::InputType::Button:
+        status = callback.button_status;
+        break;
+    default:
+        LOG_ERROR(Input, "Conversion from type {} to button not implemented", callback.type);
+        break;
+    }
+
+    if (status.inverted) {
+        status.value = !status.value;
+    }
+
+    return status;
+}
+
+Common::Input::MotionStatus TransformToMotion(const Common::Input::CallbackStatus& callback) {
+    Common::Input::MotionStatus status{};
+    switch (callback.type) {
+    case Common::Input::InputType::Button: {
+        Common::Input::AnalogProperties properties{
+            .deadzone = 0.0f,
+            .range = 1.0f,
+            .offset = 0.0f,
+        };
+        status.delta_timestamp = 5000;
+        status.force_update = true;
+        status.accel.x = {
+            .value = 0.0f,
+            .raw_value = 0.0f,
+            .properties = properties,
+        };
+        status.accel.y = {
+            .value = 0.0f,
+            .raw_value = 0.0f,
+            .properties = properties,
+        };
+        status.accel.z = {
+            .value = 0.0f,
+            .raw_value = -1.0f,
+            .properties = properties,
+        };
+        status.gyro.x = {
+            .value = 0.0f,
+            .raw_value = 0.0f,
+            .properties = properties,
+        };
+        status.gyro.y = {
+            .value = 0.0f,
+            .raw_value = 0.0f,
+            .properties = properties,
+        };
+        status.gyro.z = {
+            .value = 0.0f,
+            .raw_value = 0.0f,
+            .properties = properties,
+        };
+        if (TransformToButton(callback).value) {
+            std::random_device device;
+            std::mt19937 gen(device());
+            std::uniform_int_distribution<s16> distribution(-1000, 1000);
+            status.accel.x.raw_value = static_cast<f32>(distribution(gen)) * 0.001f;
+            status.accel.y.raw_value = static_cast<f32>(distribution(gen)) * 0.001f;
+            status.accel.z.raw_value = static_cast<f32>(distribution(gen)) * 0.001f;
+            status.gyro.x.raw_value = static_cast<f32>(distribution(gen)) * 0.001f;
+            status.gyro.y.raw_value = static_cast<f32>(distribution(gen)) * 0.001f;
+            status.gyro.z.raw_value = static_cast<f32>(distribution(gen)) * 0.001f;
+        }
+        break;
+    }
+    case Common::Input::InputType::Motion:
+        status = callback.motion_status;
+        break;
+    default:
+        LOG_ERROR(Input, "Conversion from type {} to motion not implemented", callback.type);
+        break;
+    }
+    SanitizeAnalog(status.accel.x, false);
+    SanitizeAnalog(status.accel.y, false);
+    SanitizeAnalog(status.accel.z, false);
+    SanitizeAnalog(status.gyro.x, false);
+    SanitizeAnalog(status.gyro.y, false);
+    SanitizeAnalog(status.gyro.z, false);
+
+    return status;
+}
+
+Common::Input::StickStatus TransformToStick(const Common::Input::CallbackStatus& callback) {
+    Common::Input::StickStatus status{};
+
+    switch (callback.type) {
+    case Common::Input::InputType::Stick:
+        status = callback.stick_status;
+        break;
+    default:
+        LOG_ERROR(Input, "Conversion from type {} to stick not implemented", callback.type);
+        break;
+    }
+
+    SanitizeStick(status.x, status.y, true);
+    const auto& properties_x = status.x.properties;
+    const auto& properties_y = status.y.properties;
+    const float x = status.x.value;
+    const float y = status.y.value;
+
+    // Set directional buttons
+    status.right = x > properties_x.threshold;
+    status.left = x < -properties_x.threshold;
+    status.up = y > properties_y.threshold;
+    status.down = y < -properties_y.threshold;
+
+    return status;
+}
+
+Common::Input::TouchStatus TransformToTouch(const Common::Input::CallbackStatus& callback) {
+    Common::Input::TouchStatus status{};
+
+    switch (callback.type) {
+    case Common::Input::InputType::Touch:
+        status = callback.touch_status;
+        break;
+    case Common::Input::InputType::Stick:
+        status.x = callback.stick_status.x;
+        status.y = callback.stick_status.y;
+        break;
+    default:
+        LOG_ERROR(Input, "Conversion from type {} to touch not implemented", callback.type);
+        break;
+    }
+
+    SanitizeAnalog(status.x, true);
+    SanitizeAnalog(status.y, true);
+    float& x = status.x.value;
+    float& y = status.y.value;
+
+    // Adjust if value is inverted
+    x = status.x.properties.inverted ? 1.0f + x : x;
+    y = status.y.properties.inverted ? 1.0f + y : y;
+
+    // clamp value
+    x = std::clamp(x, 0.0f, 1.0f);
+    y = std::clamp(y, 0.0f, 1.0f);
+
+    if (status.pressed.inverted) {
+        status.pressed.value = !status.pressed.value;
+    }
+
+    return status;
+}
+
+Common::Input::TriggerStatus TransformToTrigger(const Common::Input::CallbackStatus& callback) {
+    Common::Input::TriggerStatus status{};
+    float& raw_value = status.analog.raw_value;
+    bool calculate_button_value = true;
+
+    switch (callback.type) {
+    case Common::Input::InputType::Analog:
+        status.analog.properties = callback.analog_status.properties;
+        raw_value = callback.analog_status.raw_value;
+        break;
+    case Common::Input::InputType::Button:
+        status.analog.properties.range = 1.0f;
+        status.analog.properties.inverted = callback.button_status.inverted;
+        raw_value = callback.button_status.value ? 1.0f : 0.0f;
+        break;
+    case Common::Input::InputType::Trigger:
+        status = callback.trigger_status;
+        calculate_button_value = false;
+        break;
+    default:
+        LOG_ERROR(Input, "Conversion from type {} to trigger not implemented", callback.type);
+        break;
+    }
+
+    SanitizeAnalog(status.analog, true);
+    const auto& properties = status.analog.properties;
+    float& value = status.analog.value;
+
+    // Set button status
+    if (calculate_button_value) {
+        status.pressed.value = value > properties.threshold;
+    }
+
+    // Adjust if value is inverted
+    value = properties.inverted ? 1.0f + value : value;
+
+    // clamp value
+    value = std::clamp(value, 0.0f, 1.0f);
+
+    return status;
+}
+
+Common::Input::AnalogStatus TransformToAnalog(const Common::Input::CallbackStatus& callback) {
+    Common::Input::AnalogStatus status{};
+
+    switch (callback.type) {
+    case Common::Input::InputType::Analog:
+        status.properties = callback.analog_status.properties;
+        status.raw_value = callback.analog_status.raw_value;
+        break;
+    default:
+        LOG_ERROR(Input, "Conversion from type {} to analog not implemented", callback.type);
+        break;
+    }
+
+    SanitizeAnalog(status, false);
+
+    // Adjust if value is inverted
+    status.value = status.properties.inverted ? -status.value : status.value;
+
+    return status;
+}
+
+void SanitizeAnalog(Common::Input::AnalogStatus& analog, bool clamp_value) {
+    const auto& properties = analog.properties;
+    float& raw_value = analog.raw_value;
+    float& value = analog.value;
+
+    if (!std::isnormal(raw_value)) {
+        raw_value = 0;
+    }
+
+    // Apply center offset
+    raw_value -= properties.offset;
+
+    // Set initial values to be formated
+    value = raw_value;
+
+    // Calculate vector size
+    const float r = std::abs(value);
+
+    // Return zero if value is smaller than the deadzone
+    if (r <= properties.deadzone || properties.deadzone == 1.0f) {
+        analog.value = 0;
+        return;
+    }
+
+    // Adjust range of value
+    const float deadzone_factor =
+        1.0f / r * (r - properties.deadzone) / (1.0f - properties.deadzone);
+    value = value * deadzone_factor / properties.range;
+
+    // Invert direction if needed
+    if (properties.inverted) {
+        value = -value;
+    }
+
+    // Clamp value
+    if (clamp_value) {
+        value = std::clamp(value, -1.0f, 1.0f);
+    }
+}
+
+void SanitizeStick(Common::Input::AnalogStatus& analog_x, Common::Input::AnalogStatus& analog_y,
+                   bool clamp_value) {
+    const auto& properties_x = analog_x.properties;
+    const auto& properties_y = analog_y.properties;
+    float& raw_x = analog_x.raw_value;
+    float& raw_y = analog_y.raw_value;
+    float& x = analog_x.value;
+    float& y = analog_y.value;
+
+    if (!std::isnormal(raw_x)) {
+        raw_x = 0;
+    }
+    if (!std::isnormal(raw_y)) {
+        raw_y = 0;
+    }
+
+    // Apply center offset
+    raw_x += properties_x.offset;
+    raw_y += properties_y.offset;
+
+    // Apply X scale correction from offset
+    if (std::abs(properties_x.offset) < 0.5f) {
+        if (raw_x > 0) {
+            raw_x /= 1 + properties_x.offset;
+        } else {
+            raw_x /= 1 - properties_x.offset;
+        }
+    }
+
+    // Apply Y scale correction from offset
+    if (std::abs(properties_y.offset) < 0.5f) {
+        if (raw_y > 0) {
+            raw_y /= 1 + properties_y.offset;
+        } else {
+            raw_y /= 1 - properties_y.offset;
+        }
+    }
+
+    // Invert direction if needed
+    raw_x = properties_x.inverted ? -raw_x : raw_x;
+    raw_y = properties_y.inverted ? -raw_y : raw_y;
+
+    // Set initial values to be formated
+    x = raw_x;
+    y = raw_y;
+
+    // Calculate vector size
+    float r = x * x + y * y;
+    r = std::sqrt(r);
+
+    // TODO(German77): Use deadzone and range of both axis
+
+    // Return zero if values are smaller than the deadzone
+    if (r <= properties_x.deadzone || properties_x.deadzone >= 1.0f) {
+        x = 0;
+        y = 0;
+        return;
+    }
+
+    // Adjust range of joystick
+    const float deadzone_factor =
+        1.0f / r * (r - properties_x.deadzone) / (1.0f - properties_x.deadzone);
+    x = x * deadzone_factor / properties_x.range;
+    y = y * deadzone_factor / properties_x.range;
+    r = r * deadzone_factor / properties_x.range;
+
+    // Normalize joystick
+    if (clamp_value && r > 1.0f) {
+        x /= r;
+        y /= r;
+    }
+}
+
+} // namespace Core::HID

src/core/hid/input_converter.h

@@ -0,0 +1,95 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#pragma once
+
+namespace Common::Input {
+struct CallbackStatus;
+enum class BatteryLevel : u32;
+using BatteryStatus = BatteryLevel;
+struct AnalogStatus;
+struct ButtonStatus;
+struct MotionStatus;
+struct StickStatus;
+struct TouchStatus;
+struct TriggerStatus;
+}; // namespace Common::Input
+
+namespace Core::HID {
+
+/**
+ * Converts raw input data into a valid battery status.
+ *
+ * @param Supported callbacks: Analog, Battery, Trigger.
+ * @return A valid BatteryStatus object.
+ */
+Common::Input::BatteryStatus TransformToBattery(const Common::Input::CallbackStatus& callback);
+
+/**
+ * Converts raw input data into a valid button status. Applies invert properties to the output.
+ *
+ * @param Supported callbacks: Analog, Button, Trigger.
+ * @return A valid TouchStatus object.
+ */
+Common::Input::ButtonStatus TransformToButton(const Common::Input::CallbackStatus& callback);
+
+/**
+ * Converts raw input data into a valid motion status.
+ *
+ * @param Supported callbacks: Motion.
+ * @return A valid TouchStatus object.
+ */
+Common::Input::MotionStatus TransformToMotion(const Common::Input::CallbackStatus& callback);
+
+/**
+ * Converts raw input data into a valid stick status. Applies offset, deadzone, range and invert
+ * properties to the output.
+ *
+ * @param Supported callbacks: Stick.
+ * @return A valid StickStatus object.
+ */
+Common::Input::StickStatus TransformToStick(const Common::Input::CallbackStatus& callback);
+
+/**
+ * Converts raw input data into a valid touch status.
+ *
+ * @param Supported callbacks: Touch.
+ * @return A valid TouchStatus object.
+ */
+Common::Input::TouchStatus TransformToTouch(const Common::Input::CallbackStatus& callback);
+
+/**
+ * Converts raw input data into a valid trigger status. Applies offset, deadzone, range and
+ * invert properties to the output. Button status uses the threshold property if necessary.
+ *
+ * @param Supported callbacks: Analog, Button, Trigger.
+ * @return A valid TriggerStatus object.
+ */
+Common::Input::TriggerStatus TransformToTrigger(const Common::Input::CallbackStatus& callback);
+
+/**
+ * Converts raw input data into a valid analog status. Applies offset, deadzone, range and
+ * invert properties to the output.
+ *
+ * @param Supported callbacks: Analog.
+ * @return A valid AnalogStatus object.
+ */
+Common::Input::AnalogStatus TransformToAnalog(const Common::Input::CallbackStatus& callback);
+
+/**
+ * Converts raw analog data into a valid analog value
+ * @param An analog object containing raw data and properties, bool that determines if the value
+ * needs to be clamped between -1.0f and 1.0f.
+ */
+void SanitizeAnalog(Common::Input::AnalogStatus& analog, bool clamp_value);
+
+/**
+ * Converts raw stick data into a valid stick value
+ * @param Two analog objects containing raw data and properties, bool that determines if the value
+ * needs to be clamped into the unit circle.
+ */
+void SanitizeStick(Common::Input::AnalogStatus& analog_x, Common::Input::AnalogStatus& analog_y,
+                   bool clamp_value);
+
+} // namespace Core::HID

src/core/hid/input_interpreter.cpp

@@ -3,7 +3,8 @@
 // Refer to the license.txt file included.
 
 #include "core/core.h"
-#include "core/frontend/input_interpreter.h"
+#include "core/hid/hid_types.h"
+#include "core/hid/input_interpreter.h"
 #include "core/hle/service/hid/controllers/npad.h"
 #include "core/hle/service/hid/hid.h"
 #include "core/hle/service/sm/sm.h"
@@ -19,7 +20,7 @@ InputInterpreter::InputInterpreter(Core::System& system)
 InputInterpreter::~InputInterpreter() = default;
 
 void InputInterpreter::PollInput() {
-    const u32 button_state = npad.GetAndResetPressState();
+    const u64 button_state = npad.GetAndResetPressState();
 
     previous_index = current_index;
     current_index = (current_index + 1) % button_states.size();
@@ -31,32 +32,30 @@ void InputInterpreter::ResetButtonStates() {
     previous_index = 0;
     current_index = 0;
 
-    button_states[0] = 0xFFFFFFFF;
+    button_states[0] = 0xFFFFFFFFFFFFFFFF;
 
     for (std::size_t i = 1; i < button_states.size(); ++i) {
         button_states[i] = 0;
     }
 }
 
-bool InputInterpreter::IsButtonPressed(HIDButton button) const {
-    return (button_states[current_index] & (1U << static_cast<u8>(button))) != 0;
+bool InputInterpreter::IsButtonPressed(Core::HID::NpadButton button) const {
+    return (button_states[current_index] & static_cast<u64>(button)) != 0;
 }
 
-bool InputInterpreter::IsButtonPressedOnce(HIDButton button) const {
-    const bool current_press =
-        (button_states[current_index] & (1U << static_cast<u8>(button))) != 0;
-    const bool previous_press =
-        (button_states[previous_index] & (1U << static_cast<u8>(button))) != 0;
+bool InputInterpreter::IsButtonPressedOnce(Core::HID::NpadButton button) const {
+    const bool current_press = (button_states[current_index] & static_cast<u64>(button)) != 0;
+    const bool previous_press = (button_states[previous_index] & static_cast<u64>(button)) != 0;
 
     return current_press && !previous_press;
 }
 
-bool InputInterpreter::IsButtonHeld(HIDButton button) const {
-    u32 held_buttons{button_states[0]};
+bool InputInterpreter::IsButtonHeld(Core::HID::NpadButton button) const {
+    u64 held_buttons{button_states[0]};
 
     for (std::size_t i = 1; i < button_states.size(); ++i) {
         held_buttons &= button_states[i];
     }
 
-    return (held_buttons & (1U << static_cast<u8>(button))) != 0;
+    return (held_buttons & static_cast<u64>(button)) != 0;
 }

src/core/hid/input_interpreter.h

@@ -12,46 +12,14 @@ namespace Core {
 class System;
 }
 
+namespace Core::HID {
+enum class NpadButton : u64;
+}
+
 namespace Service::HID {
 class Controller_NPad;
 }
 
-enum class HIDButton : u8 {
-    A,
-    B,
-    X,
-    Y,
-    LStick,
-    RStick,
-    L,
-    R,
-    ZL,
-    ZR,
-    Plus,
-    Minus,
-
-    DLeft,
-    DUp,
-    DRight,
-    DDown,
-
-    LStickLeft,
-    LStickUp,
-    LStickRight,
-    LStickDown,
-
-    RStickLeft,
-    RStickUp,
-    RStickRight,
-    RStickDown,
-
-    LeftSL,
-    LeftSR,
-
-    RightSL,
-    RightSR,
-};
-
 /**
  * The InputInterpreter class interfaces with HID to retrieve button press states.
  * Input is intended to be polled every 50ms so that a button is considered to be
@@ -76,7 +44,7 @@ public:
      *
      * @returns True when the button is pressed.
      */
-    [[nodiscard]] bool IsButtonPressed(HIDButton button) const;
+    [[nodiscard]] bool IsButtonPressed(Core::HID::NpadButton button) const;
 
     /**
      * Checks whether any of the buttons in the parameter list is pressed.
@@ -85,7 +53,7 @@ public:
      *
      * @returns True when at least one of the buttons is pressed.
      */
-    template <HIDButton... T>
+    template <Core::HID::NpadButton... T>
     [[nodiscard]] bool IsAnyButtonPressed() {
         return (IsButtonPressed(T) || ...);
     }
@@ -98,7 +66,7 @@ public:
      *
      * @returns True when the button is pressed once.
      */
-    [[nodiscard]] bool IsButtonPressedOnce(HIDButton button) const;
+    [[nodiscard]] bool IsButtonPressedOnce(Core::HID::NpadButton button) const;
 
     /**
      * Checks whether any of the buttons in the parameter list is pressed once.
@@ -107,7 +75,7 @@ public:
      *
      * @returns True when at least one of the buttons is pressed once.
      */
-    template <HIDButton... T>
+    template <Core::HID::NpadButton... T>
     [[nodiscard]] bool IsAnyButtonPressedOnce() const {
         return (IsButtonPressedOnce(T) || ...);
     }
@@ -119,7 +87,7 @@ public:
      *
      * @returns True when the button is held down.
      */
-    [[nodiscard]] bool IsButtonHeld(HIDButton button) const;
+    [[nodiscard]] bool IsButtonHeld(Core::HID::NpadButton button) const;
 
     /**
      * Checks whether any of the buttons in the parameter list is held down.
@@ -128,7 +96,7 @@ public:
      *
      * @returns True when at least one of the buttons is held down.
      */
-    template <HIDButton... T>
+    template <Core::HID::NpadButton... T>
     [[nodiscard]] bool IsAnyButtonHeld() const {
         return (IsButtonHeld(T) || ...);
     }
@@ -137,7 +105,7 @@ private:
     Service::HID::Controller_NPad& npad;
 
     /// Stores 9 consecutive button states polled from HID.
-    std::array<u32, 9> button_states{};
+    std::array<u64, 9> button_states{};
 
     std::size_t previous_index{};
     std::size_t current_index{};

src/core/hid/motion_input.cpp

@@ -2,13 +2,21 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included
 
-#include <random>
 #include "common/math_util.h"
-#include "input_common/motion_input.h"
+#include "core/hid/motion_input.h"
 
-namespace InputCommon {
+namespace Core::HID {
 
-MotionInput::MotionInput(f32 new_kp, f32 new_ki, f32 new_kd) : kp(new_kp), ki(new_ki), kd(new_kd) {}
+MotionInput::MotionInput() {
+    // Initialize PID constants with default values
+    SetPID(0.3f, 0.005f, 0.0f);
+}
+
+void MotionInput::SetPID(f32 new_kp, f32 new_ki, f32 new_kd) {
+    kp = new_kp;
+    ki = new_ki;
+    kd = new_kd;
+}
 
 void MotionInput::SetAcceleration(const Common::Vec3f& acceleration) {
     accel = acceleration;
@@ -65,6 +73,8 @@ void MotionInput::UpdateRotation(u64 elapsed_time) {
     rotations += gyro * sample_period;
 }
 
+// Based on Madgwick's implementation of Mayhony's AHRS algorithm.
+// https://github.com/xioTechnologies/Open-Source-AHRS-With-x-IMU/blob/master/x-IMU%20IMU%20and%20AHRS%20Algorithms/x-IMU%20IMU%20and%20AHRS%20Algorithms/AHRS/MahonyAHRS.cs
 void MotionInput::UpdateOrientation(u64 elapsed_time) {
     if (!IsCalibrated(0.1f)) {
         ResetOrientation();
@@ -190,43 +200,6 @@ Common::Vec3f MotionInput::GetRotations() const {
     return rotations;
 }
 
-Input::MotionStatus MotionInput::GetMotion() const {
-    const Common::Vec3f gyroscope = GetGyroscope();
-    const Common::Vec3f accelerometer = GetAcceleration();
-    const Common::Vec3f rotation = GetRotations();
-    const std::array<Common::Vec3f, 3> orientation = GetOrientation();
-    const Common::Quaternion<f32> quaternion = GetQuaternion();
-    return {accelerometer, gyroscope, rotation, orientation, quaternion};
-}
-
-Input::MotionStatus MotionInput::GetRandomMotion(int accel_magnitude, int gyro_magnitude) const {
-    std::random_device device;
-    std::mt19937 gen(device());
-    std::uniform_int_distribution<s16> distribution(-1000, 1000);
-    const Common::Vec3f gyroscope{
-        static_cast<f32>(distribution(gen)) * 0.001f,
-        static_cast<f32>(distribution(gen)) * 0.001f,
-        static_cast<f32>(distribution(gen)) * 0.001f,
-    };
-    const Common::Vec3f accelerometer{
-        static_cast<f32>(distribution(gen)) * 0.001f,
-        static_cast<f32>(distribution(gen)) * 0.001f,
-        static_cast<f32>(distribution(gen)) * 0.001f,
-    };
-    constexpr Common::Vec3f rotation;
-    constexpr std::array orientation{
-        Common::Vec3f{1.0f, 0.0f, 0.0f},
-        Common::Vec3f{0.0f, 1.0f, 0.0f},
-        Common::Vec3f{0.0f, 0.0f, 1.0f},
-    };
-    constexpr Common::Quaternion<f32> quaternion{
-        {0.0f, 0.0f, 0.0f},
-        1.0f,
-    };
-    return {accelerometer * accel_magnitude, gyroscope * gyro_magnitude, rotation, orientation,
-            quaternion};
-}
-
 void MotionInput::ResetOrientation() {
     if (!reset_enabled || only_accelerometer) {
         return;
@@ -304,4 +277,4 @@ void MotionInput::SetOrientationFromAccelerometer() {
         quat = quat.Normalized();
     }
 }
-} // namespace InputCommon
+} // namespace Core::HID

src/core/hid/motion_input.h

@@ -7,13 +7,12 @@
 #include "common/common_types.h"
 #include "common/quaternion.h"
 #include "common/vector_math.h"
-#include "core/frontend/input.h"
 
-namespace InputCommon {
+namespace Core::HID {
 
 class MotionInput {
 public:
-    explicit MotionInput(f32 new_kp, f32 new_ki, f32 new_kd);
+    explicit MotionInput();
 
     MotionInput(const MotionInput&) = default;
     MotionInput& operator=(const MotionInput&) = default;
@@ -21,6 +20,7 @@ public:
     MotionInput(MotionInput&&) = default;
     MotionInput& operator=(MotionInput&&) = default;
 
+    void SetPID(f32 new_kp, f32 new_ki, f32 new_kd);
     void SetAcceleration(const Common::Vec3f& acceleration);
     void SetGyroscope(const Common::Vec3f& gyroscope);
     void SetQuaternion(const Common::Quaternion<f32>& quaternion);
@@ -38,9 +38,6 @@ public:
     [[nodiscard]] Common::Vec3f GetGyroscope() const;
     [[nodiscard]] Common::Vec3f GetRotations() const;
     [[nodiscard]] Common::Quaternion<f32> GetQuaternion() const;
-    [[nodiscard]] Input::MotionStatus GetMotion() const;
-    [[nodiscard]] Input::MotionStatus GetRandomMotion(int accel_magnitude,
-                                                      int gyro_magnitude) const;
 
     [[nodiscard]] bool IsMoving(f32 sensitivity) const;
     [[nodiscard]] bool IsCalibrated(f32 sensitivity) const;
@@ -59,16 +56,32 @@ private:
     Common::Vec3f integral_error;
     Common::Vec3f derivative_error;
 
+    // Quaternion containing the device orientation
     Common::Quaternion<f32> quat{{0.0f, 0.0f, -1.0f}, 0.0f};
+
+    // Number of full rotations in each axis
     Common::Vec3f rotations;
+
+    // Acceleration vector measurement in G force
     Common::Vec3f accel;
+
+    // Gyroscope vector measurement in radians/s.
     Common::Vec3f gyro;
+
+    // Vector to be substracted from gyro measurements
     Common::Vec3f gyro_drift;
 
+    // Minimum gyro amplitude to detect if the device is moving
     f32 gyro_threshold = 0.0f;
+
+    // Number of invalid sequential data
     u32 reset_counter = 0;
+
+    // If the provided data is invalid the device will be autocalibrated
     bool reset_enabled = true;
+
+    // Use accelerometer values to calculate position
     bool only_accelerometer = true;
 };
 
-} // namespace InputCommon
+} // namespace Core::HID

src/core/hle/service/am/applets/applet_controller.cpp

@@ -10,6 +10,9 @@
 #include "common/string_util.h"
 #include "core/core.h"
 #include "core/frontend/applets/controller.h"
+#include "core/hid/emulated_controller.h"
+#include "core/hid/hid_core.h"
+#include "core/hid/hid_types.h"
 #include "core/hle/result.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applets/applet_controller.h"
@@ -25,7 +28,7 @@ namespace Service::AM::Applets {
 static Core::Frontend::ControllerParameters ConvertToFrontendParameters(
     ControllerSupportArgPrivate private_arg, ControllerSupportArgHeader header, bool enable_text,
     std::vector<IdentificationColor> identification_colors, std::vector<ExplainText> text) {
-    HID::Controller_NPad::NpadStyleSet npad_style_set;
+    Core::HID::NpadStyleTag npad_style_set;
     npad_style_set.raw = private_arg.style_set;
 
     return {
@@ -243,19 +246,11 @@ void Controller::Execute() {
 void Controller::ConfigurationComplete() {
     ControllerSupportResultInfo result_info{};
 
-    const auto& players = Settings::values.players.GetValue();
-
     // If enable_single_mode is enabled, player_count is 1 regardless of any other parameters.
     // Otherwise, only count connected players from P1-P8.
-    result_info.player_count =
-        is_single_mode
-            ? 1
-            : static_cast<s8>(std::count_if(players.begin(), players.end() - 2,
-                                            [](const auto& player) { return player.connected; }));
+    result_info.player_count = is_single_mode ? 1 : system.HIDCore().GetPlayerCount();
 
-    result_info.selected_id = HID::Controller_NPad::IndexToNPad(std::distance(
-        players.begin(), std::find_if(players.begin(), players.end(),
-                                      [](const auto& player) { return player.connected; })));
+    result_info.selected_id = static_cast<u32>(system.HIDCore().GetFirstNpadId());
 
     result_info.result = 0;
 

src/core/hle/service/am/applets/applet_controller.h

@@ -16,6 +16,10 @@ namespace Core {
 class System;
 }
 
+namespace Core::HID {
+enum class NpadStyleSet : u32;
+}
+
 namespace Service::AM::Applets {
 
 using IdentificationColor = std::array<u8, 4>;
@@ -52,7 +56,7 @@ struct ControllerSupportArgPrivate {
     bool flag_1{};
     ControllerSupportMode mode{};
     ControllerSupportCaller caller{};
-    u32 style_set{};
+    Core::HID::NpadStyleSet style_set{};
     u32 joy_hold_type{};
 };
 static_assert(sizeof(ControllerSupportArgPrivate) == 0x14,

src/core/hle/service/am/applets/applets.cpp

@@ -231,7 +231,7 @@ void AppletManager::SetDefaultAppletFrontendSet() {
 void AppletManager::SetDefaultAppletsIfMissing() {
     if (frontend.controller == nullptr) {
         frontend.controller =
-            std::make_unique<Core::Frontend::DefaultControllerApplet>(system.ServiceManager());
+            std::make_unique<Core::Frontend::DefaultControllerApplet>(system.HIDCore());
     }
 
     if (frontend.error == nullptr) {

src/core/hle/service/hid/controllers/console_sixaxis.cpp

@@ -4,13 +4,18 @@
 
 #include "common/settings.h"
 #include "core/core_timing.h"
+#include "core/hid/emulated_console.h"
+#include "core/hid/hid_core.h"
 #include "core/hle/service/hid/controllers/console_sixaxis.h"
 
 namespace Service::HID {
 constexpr std::size_t SHARED_MEMORY_OFFSET = 0x3C200;
 
-Controller_ConsoleSixAxis::Controller_ConsoleSixAxis(Core::System& system_)
-    : ControllerBase{system_} {}
+Controller_ConsoleSixAxis::Controller_ConsoleSixAxis(Core::HID::HIDCore& hid_core_)
+    : ControllerBase{hid_core_} {
+    console = hid_core.GetEmulatedConsole();
+}
+
 Controller_ConsoleSixAxis::~Controller_ConsoleSixAxis() = default;
 
 void Controller_ConsoleSixAxis::OnInit() {}
@@ -19,44 +24,31 @@ void Controller_ConsoleSixAxis::OnRelease() {}
 
 void Controller_ConsoleSixAxis::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                                          std::size_t size) {
-    seven_six_axis.header.timestamp = core_timing.GetCPUTicks();
-    seven_six_axis.header.total_entry_count = 17;
-
     if (!IsControllerActivated() || !is_transfer_memory_set) {
-        seven_six_axis.header.entry_count = 0;
-        seven_six_axis.header.last_entry_index = 0;
+        seven_sixaxis_lifo.buffer_count = 0;
+        seven_sixaxis_lifo.buffer_tail = 0;
         return;
     }
-    seven_six_axis.header.entry_count = 16;
 
-    const auto& last_entry =
-        seven_six_axis.sevensixaxis_states[seven_six_axis.header.last_entry_index];
-    seven_six_axis.header.last_entry_index = (seven_six_axis.header.last_entry_index + 1) % 17;
-    auto& cur_entry = seven_six_axis.sevensixaxis_states[seven_six_axis.header.last_entry_index];
-
-    cur_entry.sampling_number = last_entry.sampling_number + 1;
-    cur_entry.sampling_number2 = cur_entry.sampling_number;
+    const auto& last_entry = seven_sixaxis_lifo.ReadCurrentEntry().state;
+    next_seven_sixaxis_state.sampling_number = last_entry.sampling_number + 1;
 
     // Try to read sixaxis sensor states
-    MotionDevice motion_device{};
-    const auto& device = motions[0];
-    if (device) {
-        std::tie(motion_device.accel, motion_device.gyro, motion_device.rotation,
-                 motion_device.orientation, motion_device.quaternion) = device->GetStatus();
-        console_six_axis.is_seven_six_axis_sensor_at_rest = motion_device.gyro.Length2() < 0.0001f;
-    }
+    const auto motion_status = console->GetMotion();
 
-    cur_entry.accel = motion_device.accel;
+    console_six_axis.is_seven_six_axis_sensor_at_rest = motion_status.is_at_rest;
+
+    next_seven_sixaxis_state.accel = motion_status.accel;
     // Zero gyro values as they just mess up with the camera
     // Note: Probably a correct sensivity setting must be set
-    cur_entry.gyro = {};
-    cur_entry.quaternion = {
+    next_seven_sixaxis_state.gyro = {};
+    next_seven_sixaxis_state.quaternion = {
         {
-            motion_device.quaternion.xyz.y,
-            motion_device.quaternion.xyz.x,
-            -motion_device.quaternion.w,
+            motion_status.quaternion.xyz.y,
+            motion_status.quaternion.xyz.x,
+            -motion_status.quaternion.w,
         },
-        -motion_device.quaternion.xyz.z,
+        -motion_status.quaternion.xyz.z,
     };
 
     console_six_axis.sampling_number++;
@@ -67,14 +59,8 @@ void Controller_ConsoleSixAxis::OnUpdate(const Core::Timing::CoreTiming& core_ti
     // Update console six axis shared memory
     std::memcpy(data + SHARED_MEMORY_OFFSET, &console_six_axis, sizeof(console_six_axis));
     // Update seven six axis transfer memory
-    std::memcpy(transfer_memory, &seven_six_axis, sizeof(seven_six_axis));
-}
-
-void Controller_ConsoleSixAxis::OnLoadInputDevices() {
-    const auto player = Settings::values.players.GetValue()[0];
-    std::transform(player.motions.begin() + Settings::NativeMotion::MOTION_HID_BEGIN,
-                   player.motions.begin() + Settings::NativeMotion::MOTION_HID_END, motions.begin(),
-                   Input::CreateDevice<Input::MotionDevice>);
+    seven_sixaxis_lifo.WriteNextEntry(next_seven_sixaxis_state);
+    std::memcpy(transfer_memory, &seven_sixaxis_lifo, sizeof(seven_sixaxis_lifo));
 }
 
 void Controller_ConsoleSixAxis::SetTransferMemoryPointer(u8* t_mem) {
@@ -83,8 +69,7 @@ void Controller_ConsoleSixAxis::SetTransferMemoryPointer(u8* t_mem) {
 }
 
 void Controller_ConsoleSixAxis::ResetTimestamp() {
-    auto& cur_entry = seven_six_axis.sevensixaxis_states[seven_six_axis.header.last_entry_index];
-    cur_entry.sampling_number = 0;
-    cur_entry.sampling_number2 = 0;
+    seven_sixaxis_lifo.buffer_count = 0;
+    seven_sixaxis_lifo.buffer_tail = 0;
 }
 } // namespace Service::HID

src/core/hle/service/hid/controllers/console_sixaxis.h

@@ -5,16 +5,21 @@
 #pragma once
 
 #include <array>
-#include "common/bit_field.h"
+
 #include "common/common_types.h"
 #include "common/quaternion.h"
-#include "core/frontend/input.h"
+#include "core/hid/hid_types.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
+#include "core/hle/service/hid/ring_lifo.h"
+
+namespace Core::HID {
+class EmulatedConsole;
+} // namespace Core::HID
 
 namespace Service::HID {
 class Controller_ConsoleSixAxis final : public ControllerBase {
 public:
-    explicit Controller_ConsoleSixAxis(Core::System& system_);
+    explicit Controller_ConsoleSixAxis(Core::HID::HIDCore& hid_core_);
     ~Controller_ConsoleSixAxis() override;
 
     // Called when the controller is initialized
@@ -26,9 +31,6 @@ public:
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
     // Called on InitializeSevenSixAxisSensor
     void SetTransferMemoryPointer(u8* t_mem);
 
@@ -38,43 +40,31 @@ public:
 private:
     struct SevenSixAxisState {
         INSERT_PADDING_WORDS(4); // unused
-        s64_le sampling_number{};
-        s64_le sampling_number2{};
+        s64 sampling_number{};
         u64 unknown{};
         Common::Vec3f accel{};
         Common::Vec3f gyro{};
         Common::Quaternion<f32> quaternion{};
     };
-    static_assert(sizeof(SevenSixAxisState) == 0x50, "SevenSixAxisState is an invalid size");
-
-    struct SevenSixAxisMemory {
-        CommonHeader header{};
-        std::array<SevenSixAxisState, 0x21> sevensixaxis_states{};
-    };
-    static_assert(sizeof(SevenSixAxisMemory) == 0xA70, "SevenSixAxisMemory is an invalid size");
+    static_assert(sizeof(SevenSixAxisState) == 0x48, "SevenSixAxisState is an invalid size");
 
+    // This is nn::hid::detail::ConsoleSixAxisSensorSharedMemoryFormat
     struct ConsoleSharedMemory {
-        u64_le sampling_number{};
+        u64 sampling_number{};
         bool is_seven_six_axis_sensor_at_rest{};
+        INSERT_PADDING_BYTES(4); // padding
         f32 verticalization_error{};
         Common::Vec3f gyro_bias{};
     };
     static_assert(sizeof(ConsoleSharedMemory) == 0x20, "ConsoleSharedMemory is an invalid size");
 
-    struct MotionDevice {
-        Common::Vec3f accel;
-        Common::Vec3f gyro;
-        Common::Vec3f rotation;
-        std::array<Common::Vec3f, 3> orientation;
-        Common::Quaternion<f32> quaternion;
-    };
+    Lifo<SevenSixAxisState, 0x21> seven_sixaxis_lifo{};
+    static_assert(sizeof(seven_sixaxis_lifo) == 0xA70, "SevenSixAxisState is an invalid size");
 
-    using MotionArray =
-        std::array<std::unique_ptr<Input::MotionDevice>, Settings::NativeMotion::NUM_MOTIONS_HID>;
-    MotionArray motions;
+    Core::HID::EmulatedConsole* console;
     u8* transfer_memory = nullptr;
     bool is_transfer_memory_set = false;
     ConsoleSharedMemory console_six_axis{};
-    SevenSixAxisMemory seven_six_axis{};
+    SevenSixAxisState next_seven_sixaxis_state{};
 };
 } // namespace Service::HID

src/core/hle/service/hid/controllers/controller_base.cpp

@@ -6,12 +6,12 @@
 
 namespace Service::HID {
 
-ControllerBase::ControllerBase(Core::System& system_) : system(system_) {}
+ControllerBase::ControllerBase(Core::HID::HIDCore& hid_core_) : hid_core(hid_core_) {}
 ControllerBase::~ControllerBase() = default;
 
 void ControllerBase::ActivateController() {
     if (is_activated) {
-        OnRelease();
+        return;
     }
     is_activated = true;
     OnInit();

src/core/hle/service/hid/controllers/controller_base.h

@@ -11,14 +11,14 @@ namespace Core::Timing {
 class CoreTiming;
 }
 
-namespace Core {
-class System;
+namespace Core::HID {
+class HIDCore;
 }
 
 namespace Service::HID {
 class ControllerBase {
 public:
-    explicit ControllerBase(Core::System& system_);
+    explicit ControllerBase(Core::HID::HIDCore& hid_core_);
     virtual ~ControllerBase();
 
     // Called when the controller is initialized
@@ -35,26 +35,17 @@ public:
     virtual void OnMotionUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                                 std::size_t size) {}
 
-    // Called when input devices should be loaded
-    virtual void OnLoadInputDevices() = 0;
-
     void ActivateController();
 
     void DeactivateController();
 
     bool IsControllerActivated() const;
 
+    static const std::size_t hid_entry_count = 17;
+
 protected:
     bool is_activated{false};
 
-    struct CommonHeader {
-        s64_le timestamp;
-        s64_le total_entry_count;
-        s64_le last_entry_index;
-        s64_le entry_count;
-    };
-    static_assert(sizeof(CommonHeader) == 0x20, "CommonHeader is an invalid size");
-
-    Core::System& system;
+    Core::HID::HIDCore& hid_core;
 };
 } // namespace Service::HID

src/core/hle/service/hid/controllers/debug_pad.cpp

@@ -6,15 +6,19 @@
 #include "common/common_types.h"
 #include "common/settings.h"
 #include "core/core_timing.h"
+#include "core/hid/emulated_controller.h"
+#include "core/hid/hid_core.h"
+#include "core/hid/hid_types.h"
 #include "core/hle/service/hid/controllers/debug_pad.h"
 
 namespace Service::HID {
+constexpr std::size_t SHARED_MEMORY_OFFSET = 0x00000;
 
-constexpr s32 HID_JOYSTICK_MAX = 0x7fff;
-[[maybe_unused]] constexpr s32 HID_JOYSTICK_MIN = -0x7fff;
-enum class JoystickId : std::size_t { Joystick_Left, Joystick_Right };
+Controller_DebugPad::Controller_DebugPad(Core::HID::HIDCore& hid_core_)
+    : ControllerBase{hid_core_} {
+    controller = hid_core.GetEmulatedController(Core::HID::NpadIdType::Other);
+}
 
-Controller_DebugPad::Controller_DebugPad(Core::System& system_) : ControllerBase{system_} {}
 Controller_DebugPad::~Controller_DebugPad() = default;
 
 void Controller_DebugPad::OnInit() {}
@@ -23,63 +27,29 @@ void Controller_DebugPad::OnRelease() {}
 
 void Controller_DebugPad::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                                    std::size_t size) {
-    shared_memory.header.timestamp = core_timing.GetCPUTicks();
-    shared_memory.header.total_entry_count = 17;
-
     if (!IsControllerActivated()) {
-        shared_memory.header.entry_count = 0;
-        shared_memory.header.last_entry_index = 0;
+        debug_pad_lifo.buffer_count = 0;
+        debug_pad_lifo.buffer_tail = 0;
+        std::memcpy(data + SHARED_MEMORY_OFFSET, &debug_pad_lifo, sizeof(debug_pad_lifo));
         return;
     }
-    shared_memory.header.entry_count = 16;
 
-    const auto& last_entry = shared_memory.pad_states[shared_memory.header.last_entry_index];
-    shared_memory.header.last_entry_index = (shared_memory.header.last_entry_index + 1) % 17;
-    auto& cur_entry = shared_memory.pad_states[shared_memory.header.last_entry_index];
-
-    cur_entry.sampling_number = last_entry.sampling_number + 1;
-    cur_entry.sampling_number2 = cur_entry.sampling_number;
+    const auto& last_entry = debug_pad_lifo.ReadCurrentEntry().state;
+    next_state.sampling_number = last_entry.sampling_number + 1;
 
     if (Settings::values.debug_pad_enabled) {
-        cur_entry.attribute.connected.Assign(1);
-        auto& pad = cur_entry.pad_state;
+        next_state.attribute.connected.Assign(1);
 
-        using namespace Settings::NativeButton;
-        pad.a.Assign(buttons[A - BUTTON_HID_BEGIN]->GetStatus());
-        pad.b.Assign(buttons[B - BUTTON_HID_BEGIN]->GetStatus());
-        pad.x.Assign(buttons[X - BUTTON_HID_BEGIN]->GetStatus());
-        pad.y.Assign(buttons[Y - BUTTON_HID_BEGIN]->GetStatus());
-        pad.l.Assign(buttons[L - BUTTON_HID_BEGIN]->GetStatus());
-        pad.r.Assign(buttons[R - BUTTON_HID_BEGIN]->GetStatus());
-        pad.zl.Assign(buttons[ZL - BUTTON_HID_BEGIN]->GetStatus());
-        pad.zr.Assign(buttons[ZR - BUTTON_HID_BEGIN]->GetStatus());
-        pad.plus.Assign(buttons[Plus - BUTTON_HID_BEGIN]->GetStatus());
-        pad.minus.Assign(buttons[Minus - BUTTON_HID_BEGIN]->GetStatus());
-        pad.d_left.Assign(buttons[DLeft - BUTTON_HID_BEGIN]->GetStatus());
-        pad.d_up.Assign(buttons[DUp - BUTTON_HID_BEGIN]->GetStatus());
-        pad.d_right.Assign(buttons[DRight - BUTTON_HID_BEGIN]->GetStatus());
-        pad.d_down.Assign(buttons[DDown - BUTTON_HID_BEGIN]->GetStatus());
+        const auto& button_state = controller->GetDebugPadButtons();
+        const auto& stick_state = controller->GetSticks();
 
-        const auto [stick_l_x_f, stick_l_y_f] =
-            analogs[static_cast<std::size_t>(JoystickId::Joystick_Left)]->GetStatus();
-        const auto [stick_r_x_f, stick_r_y_f] =
-            analogs[static_cast<std::size_t>(JoystickId::Joystick_Right)]->GetStatus();
-        cur_entry.l_stick.x = static_cast<s32>(stick_l_x_f * HID_JOYSTICK_MAX);
-        cur_entry.l_stick.y = static_cast<s32>(stick_l_y_f * HID_JOYSTICK_MAX);
-        cur_entry.r_stick.x = static_cast<s32>(stick_r_x_f * HID_JOYSTICK_MAX);
-        cur_entry.r_stick.y = static_cast<s32>(stick_r_y_f * HID_JOYSTICK_MAX);
+        next_state.pad_state = button_state;
+        next_state.l_stick = stick_state.left;
+        next_state.r_stick = stick_state.right;
     }
 
-    std::memcpy(data, &shared_memory, sizeof(SharedMemory));
+    debug_pad_lifo.WriteNextEntry(next_state);
+    std::memcpy(data + SHARED_MEMORY_OFFSET, &debug_pad_lifo, sizeof(debug_pad_lifo));
 }
 
-void Controller_DebugPad::OnLoadInputDevices() {
-    std::transform(Settings::values.debug_pad_buttons.begin(),
-                   Settings::values.debug_pad_buttons.begin() +
-                       Settings::NativeButton::NUM_BUTTONS_HID,
-                   buttons.begin(), Input::CreateDevice<Input::ButtonDevice>);
-    std::transform(Settings::values.debug_pad_analogs.begin(),
-                   Settings::values.debug_pad_analogs.end(), analogs.begin(),
-                   Input::CreateDevice<Input::AnalogDevice>);
-}
 } // namespace Service::HID

src/core/hle/service/hid/controllers/debug_pad.h

@@ -8,15 +8,20 @@
 #include "common/bit_field.h"
 #include "common/common_funcs.h"
 #include "common/common_types.h"
-#include "common/settings.h"
 #include "common/swap.h"
-#include "core/frontend/input.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
+#include "core/hle/service/hid/ring_lifo.h"
+
+namespace Core::HID {
+class EmulatedController;
+struct DebugPadButton;
+struct AnalogStickState;
+} // namespace Core::HID
 
 namespace Service::HID {
 class Controller_DebugPad final : public ControllerBase {
 public:
-    explicit Controller_DebugPad(Core::System& system_);
+    explicit Controller_DebugPad(Core::HID::HIDCore& hid_core_);
     ~Controller_DebugPad() override;
 
     // Called when the controller is initialized
@@ -28,66 +33,31 @@ public:
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
 private:
-    struct AnalogStick {
-        s32_le x;
-        s32_le y;
-    };
-    static_assert(sizeof(AnalogStick) == 0x8);
-
-    struct PadState {
+    // This is nn::hid::DebugPadAttribute
+    struct DebugPadAttribute {
         union {
-            u32_le raw{};
-            BitField<0, 1, u32> a;
-            BitField<1, 1, u32> b;
-            BitField<2, 1, u32> x;
-            BitField<3, 1, u32> y;
-            BitField<4, 1, u32> l;
-            BitField<5, 1, u32> r;
-            BitField<6, 1, u32> zl;
-            BitField<7, 1, u32> zr;
-            BitField<8, 1, u32> plus;
-            BitField<9, 1, u32> minus;
-            BitField<10, 1, u32> d_left;
-            BitField<11, 1, u32> d_up;
-            BitField<12, 1, u32> d_right;
-            BitField<13, 1, u32> d_down;
-        };
-    };
-    static_assert(sizeof(PadState) == 0x4, "PadState is an invalid size");
-
-    struct Attributes {
-        union {
-            u32_le raw{};
+            u32 raw{};
             BitField<0, 1, u32> connected;
         };
     };
-    static_assert(sizeof(Attributes) == 0x4, "Attributes is an invalid size");
+    static_assert(sizeof(DebugPadAttribute) == 0x4, "DebugPadAttribute is an invalid size");
 
-    struct PadStates {
-        s64_le sampling_number;
-        s64_le sampling_number2;
-        Attributes attribute;
-        PadState pad_state;
-        AnalogStick r_stick;
-        AnalogStick l_stick;
+    // This is nn::hid::DebugPadState
+    struct DebugPadState {
+        s64 sampling_number;
+        DebugPadAttribute attribute;
+        Core::HID::DebugPadButton pad_state;
+        Core::HID::AnalogStickState r_stick;
+        Core::HID::AnalogStickState l_stick;
     };
-    static_assert(sizeof(PadStates) == 0x28, "PadStates is an invalid state");
+    static_assert(sizeof(DebugPadState) == 0x20, "DebugPadState is an invalid state");
 
-    struct SharedMemory {
-        CommonHeader header;
-        std::array<PadStates, 17> pad_states;
-        INSERT_PADDING_BYTES(0x138);
-    };
-    static_assert(sizeof(SharedMemory) == 0x400, "SharedMemory is an invalid size");
-    SharedMemory shared_memory{};
+    // This is nn::hid::detail::DebugPadLifo
+    Lifo<DebugPadState, hid_entry_count> debug_pad_lifo{};
+    static_assert(sizeof(debug_pad_lifo) == 0x2C8, "debug_pad_lifo is an invalid size");
+    DebugPadState next_state{};
 
-    std::array<std::unique_ptr<Input::ButtonDevice>, Settings::NativeButton::NUM_BUTTONS_HID>
-        buttons;
-    std::array<std::unique_ptr<Input::AnalogDevice>, Settings::NativeAnalog::NUM_STICKS_HID>
-        analogs;
+    Core::HID::EmulatedController* controller;
 };
 } // namespace Service::HID

src/core/hle/service/hid/controllers/gesture.cpp

@@ -7,6 +7,7 @@
 #include "common/settings.h"
 #include "core/core_timing.h"
 #include "core/frontend/emu_window.h"
+#include "core/hid/hid_core.h"
 #include "core/hle/service/hid/controllers/gesture.h"
 
 namespace Service::HID {
@@ -23,16 +24,14 @@ constexpr f32 Square(s32 num) {
     return static_cast<f32>(num * num);
 }
 
-Controller_Gesture::Controller_Gesture(Core::System& system_) : ControllerBase(system_) {}
+Controller_Gesture::Controller_Gesture(Core::HID::HIDCore& hid_core_) : ControllerBase(hid_core_) {
+    console = hid_core.GetEmulatedConsole();
+}
 Controller_Gesture::~Controller_Gesture() = default;
 
 void Controller_Gesture::OnInit() {
-    for (std::size_t id = 0; id < MAX_FINGERS; ++id) {
-        mouse_finger_id[id] = MAX_POINTS;
-        keyboard_finger_id[id] = MAX_POINTS;
-        udp_finger_id[id] = MAX_POINTS;
-    }
-    shared_memory.header.entry_count = 0;
+    gesture_lifo.buffer_count = 0;
+    gesture_lifo.buffer_tail = 0;
     force_update = true;
 }
 
@@ -40,50 +39,38 @@ void Controller_Gesture::OnRelease() {}
 
 void Controller_Gesture::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                                   std::size_t size) {
-    shared_memory.header.timestamp = core_timing.GetCPUTicks();
-    shared_memory.header.total_entry_count = 17;
-
     if (!IsControllerActivated()) {
-        shared_memory.header.entry_count = 0;
-        shared_memory.header.last_entry_index = 0;
+        gesture_lifo.buffer_count = 0;
+        gesture_lifo.buffer_tail = 0;
+        std::memcpy(data + SHARED_MEMORY_OFFSET, &gesture_lifo, sizeof(gesture_lifo));
         return;
     }
 
     ReadTouchInput();
 
     GestureProperties gesture = GetGestureProperties();
-    f32 time_difference = static_cast<f32>(shared_memory.header.timestamp - last_update_timestamp) /
-                          (1000 * 1000 * 1000);
+    f32 time_difference =
+        static_cast<f32>(gesture_lifo.timestamp - last_update_timestamp) / (1000 * 1000 * 1000);
 
     // Only update if necesary
     if (!ShouldUpdateGesture(gesture, time_difference)) {
         return;
     }
 
-    last_update_timestamp = shared_memory.header.timestamp;
+    last_update_timestamp = gesture_lifo.timestamp;
     UpdateGestureSharedMemory(data, size, gesture, time_difference);
 }
 
 void Controller_Gesture::ReadTouchInput() {
-    const Input::TouchStatus& mouse_status = touch_mouse_device->GetStatus();
-    const Input::TouchStatus& udp_status = touch_udp_device->GetStatus();
-    for (std::size_t id = 0; id < mouse_status.size(); ++id) {
-        mouse_finger_id[id] = UpdateTouchInputEvent(mouse_status[id], mouse_finger_id[id]);
-        udp_finger_id[id] = UpdateTouchInputEvent(udp_status[id], udp_finger_id[id]);
-    }
-
-    if (Settings::values.use_touch_from_button) {
-        const Input::TouchStatus& keyboard_status = touch_btn_device->GetStatus();
-        for (std::size_t id = 0; id < mouse_status.size(); ++id) {
-            keyboard_finger_id[id] =
-                UpdateTouchInputEvent(keyboard_status[id], keyboard_finger_id[id]);
-        }
+    const auto touch_status = console->GetTouch();
+    for (std::size_t id = 0; id < fingers.size(); ++id) {
+        fingers[id] = touch_status[id];
     }
 }
 
 bool Controller_Gesture::ShouldUpdateGesture(const GestureProperties& gesture,
                                              f32 time_difference) {
-    const auto& last_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
+    const auto& last_entry = GetLastGestureEntry();
     if (force_update) {
         force_update = false;
         return true;
@@ -97,7 +84,7 @@ bool Controller_Gesture::ShouldUpdateGesture(const GestureProperties& gesture,
     }
 
     // Update on press and hold event after 0.5 seconds
-    if (last_entry.type == TouchType::Touch && last_entry.point_count == 1 &&
+    if (last_entry.type == GestureType::Touch && last_entry.point_count == 1 &&
         time_difference > press_delay) {
         return enable_press_and_tap;
     }
@@ -108,27 +95,19 @@ bool Controller_Gesture::ShouldUpdateGesture(const GestureProperties& gesture,
 void Controller_Gesture::UpdateGestureSharedMemory(u8* data, std::size_t size,
                                                    GestureProperties& gesture,
                                                    f32 time_difference) {
-    TouchType type = TouchType::Idle;
-    Attribute attributes{};
+    GestureType type = GestureType::Idle;
+    GestureAttribute attributes{};
 
-    const auto& last_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
-    shared_memory.header.last_entry_index = (shared_memory.header.last_entry_index + 1) % 17;
-    auto& cur_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
+    const auto& last_entry = gesture_lifo.ReadCurrentEntry().state;
 
-    if (shared_memory.header.entry_count < 16) {
-        shared_memory.header.entry_count++;
-    }
-
-    cur_entry.sampling_number = last_entry.sampling_number + 1;
-    cur_entry.sampling_number2 = cur_entry.sampling_number;
-
-    // Reset values to default
-    cur_entry.delta = {};
-    cur_entry.vel_x = 0;
-    cur_entry.vel_y = 0;
-    cur_entry.direction = Direction::None;
-    cur_entry.rotation_angle = 0;
-    cur_entry.scale = 0;
+    // Reset next state to default
+    next_state.sampling_number = last_entry.sampling_number + 1;
+    next_state.delta = {};
+    next_state.vel_x = 0;
+    next_state.vel_y = 0;
+    next_state.direction = GestureDirection::None;
+    next_state.rotation_angle = 0;
+    next_state.scale = 0;
 
     if (gesture.active_points > 0) {
         if (last_gesture.active_points == 0) {
@@ -141,46 +120,47 @@ void Controller_Gesture::UpdateGestureSharedMemory(u8* data, std::size_t size,
     }
 
     // Apply attributes
-    cur_entry.detection_count = gesture.detection_count;
-    cur_entry.type = type;
-    cur_entry.attributes = attributes;
-    cur_entry.pos = gesture.mid_point;
-    cur_entry.point_count = static_cast<s32>(gesture.active_points);
-    cur_entry.points = gesture.points;
+    next_state.detection_count = gesture.detection_count;
+    next_state.type = type;
+    next_state.attributes = attributes;
+    next_state.pos = gesture.mid_point;
+    next_state.point_count = static_cast<s32>(gesture.active_points);
+    next_state.points = gesture.points;
     last_gesture = gesture;
 
-    std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(SharedMemory));
+    gesture_lifo.WriteNextEntry(next_state);
+    std::memcpy(data + SHARED_MEMORY_OFFSET, &gesture_lifo, sizeof(gesture_lifo));
 }
 
-void Controller_Gesture::NewGesture(GestureProperties& gesture, TouchType& type,
-                                    Attribute& attributes) {
+void Controller_Gesture::NewGesture(GestureProperties& gesture, GestureType& type,
+                                    GestureAttribute& attributes) {
     const auto& last_entry = GetLastGestureEntry();
 
     gesture.detection_count++;
-    type = TouchType::Touch;
+    type = GestureType::Touch;
 
     // New touch after cancel is not considered new
-    if (last_entry.type != TouchType::Cancel) {
+    if (last_entry.type != GestureType::Cancel) {
         attributes.is_new_touch.Assign(1);
         enable_press_and_tap = true;
     }
 }
 
-void Controller_Gesture::UpdateExistingGesture(GestureProperties& gesture, TouchType& type,
+void Controller_Gesture::UpdateExistingGesture(GestureProperties& gesture, GestureType& type,
                                                f32 time_difference) {
     const auto& last_entry = GetLastGestureEntry();
 
     // Promote to pan type if touch moved
     for (size_t id = 0; id < MAX_POINTS; id++) {
         if (gesture.points[id] != last_gesture.points[id]) {
-            type = TouchType::Pan;
+            type = GestureType::Pan;
             break;
         }
     }
 
     // Number of fingers changed cancel the last event and clear data
     if (gesture.active_points != last_gesture.active_points) {
-        type = TouchType::Cancel;
+        type = GestureType::Cancel;
         enable_press_and_tap = false;
         gesture.active_points = 0;
         gesture.mid_point = {};
@@ -189,41 +169,41 @@ void Controller_Gesture::UpdateExistingGesture(GestureProperties& gesture, Touch
     }
 
     // Calculate extra parameters of panning
-    if (type == TouchType::Pan) {
+    if (type == GestureType::Pan) {
         UpdatePanEvent(gesture, last_gesture, type, time_difference);
         return;
     }
 
     // Promote to press type
-    if (last_entry.type == TouchType::Touch) {
-        type = TouchType::Press;
+    if (last_entry.type == GestureType::Touch) {
+        type = GestureType::Press;
     }
 }
 
 void Controller_Gesture::EndGesture(GestureProperties& gesture,
-                                    GestureProperties& last_gesture_props, TouchType& type,
-                                    Attribute& attributes, f32 time_difference) {
+                                    GestureProperties& last_gesture_props, GestureType& type,
+                                    GestureAttribute& attributes, f32 time_difference) {
     const auto& last_entry = GetLastGestureEntry();
 
     if (last_gesture_props.active_points != 0) {
         switch (last_entry.type) {
-        case TouchType::Touch:
+        case GestureType::Touch:
             if (enable_press_and_tap) {
                 SetTapEvent(gesture, last_gesture_props, type, attributes);
                 return;
             }
-            type = TouchType::Cancel;
+            type = GestureType::Cancel;
             force_update = true;
             break;
-        case TouchType::Press:
-        case TouchType::Tap:
-        case TouchType::Swipe:
-        case TouchType::Pinch:
-        case TouchType::Rotate:
-            type = TouchType::Complete;
+        case GestureType::Press:
+        case GestureType::Tap:
+        case GestureType::Swipe:
+        case GestureType::Pinch:
+        case GestureType::Rotate:
+            type = GestureType::Complete;
             force_update = true;
             break;
-        case TouchType::Pan:
+        case GestureType::Pan:
             EndPanEvent(gesture, last_gesture_props, type, time_difference);
             break;
         default:
@@ -231,15 +211,15 @@ void Controller_Gesture::EndGesture(GestureProperties& gesture,
         }
         return;
     }
-    if (last_entry.type == TouchType::Complete || last_entry.type == TouchType::Cancel) {
+    if (last_entry.type == GestureType::Complete || last_entry.type == GestureType::Cancel) {
         gesture.detection_count++;
     }
 }
 
 void Controller_Gesture::SetTapEvent(GestureProperties& gesture,
-                                     GestureProperties& last_gesture_props, TouchType& type,
-                                     Attribute& attributes) {
-    type = TouchType::Tap;
+                                     GestureProperties& last_gesture_props, GestureType& type,
+                                     GestureAttribute& attributes) {
+    type = GestureType::Tap;
     gesture = last_gesture_props;
     force_update = true;
     f32 tap_time_difference =
@@ -251,44 +231,42 @@ void Controller_Gesture::SetTapEvent(GestureProperties& gesture,
 }
 
 void Controller_Gesture::UpdatePanEvent(GestureProperties& gesture,
-                                        GestureProperties& last_gesture_props, TouchType& type,
+                                        GestureProperties& last_gesture_props, GestureType& type,
                                         f32 time_difference) {
-    auto& cur_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
     const auto& last_entry = GetLastGestureEntry();
 
-    cur_entry.delta = gesture.mid_point - last_entry.pos;
-    cur_entry.vel_x = static_cast<f32>(cur_entry.delta.x) / time_difference;
-    cur_entry.vel_y = static_cast<f32>(cur_entry.delta.y) / time_difference;
+    next_state.delta = gesture.mid_point - last_entry.pos;
+    next_state.vel_x = static_cast<f32>(next_state.delta.x) / time_difference;
+    next_state.vel_y = static_cast<f32>(next_state.delta.y) / time_difference;
     last_pan_time_difference = time_difference;
 
     // Promote to pinch type
     if (std::abs(gesture.average_distance - last_gesture_props.average_distance) >
         pinch_threshold) {
-        type = TouchType::Pinch;
-        cur_entry.scale = gesture.average_distance / last_gesture_props.average_distance;
+        type = GestureType::Pinch;
+        next_state.scale = gesture.average_distance / last_gesture_props.average_distance;
     }
 
     const f32 angle_between_two_lines = std::atan((gesture.angle - last_gesture_props.angle) /
                                                   (1 + (gesture.angle * last_gesture_props.angle)));
     // Promote to rotate type
     if (std::abs(angle_between_two_lines) > angle_threshold) {
-        type = TouchType::Rotate;
-        cur_entry.scale = 0;
-        cur_entry.rotation_angle = angle_between_two_lines * 180.0f / Common::PI;
+        type = GestureType::Rotate;
+        next_state.scale = 0;
+        next_state.rotation_angle = angle_between_two_lines * 180.0f / Common::PI;
     }
 }
 
 void Controller_Gesture::EndPanEvent(GestureProperties& gesture,
-                                     GestureProperties& last_gesture_props, TouchType& type,
+                                     GestureProperties& last_gesture_props, GestureType& type,
                                      f32 time_difference) {
-    auto& cur_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
     const auto& last_entry = GetLastGestureEntry();
-    cur_entry.vel_x =
+    next_state.vel_x =
         static_cast<f32>(last_entry.delta.x) / (last_pan_time_difference + time_difference);
-    cur_entry.vel_y =
+    next_state.vel_y =
         static_cast<f32>(last_entry.delta.y) / (last_pan_time_difference + time_difference);
     const f32 curr_vel =
-        std::sqrt((cur_entry.vel_x * cur_entry.vel_x) + (cur_entry.vel_y * cur_entry.vel_y));
+        std::sqrt((next_state.vel_x * next_state.vel_x) + (next_state.vel_y * next_state.vel_y));
 
     // Set swipe event with parameters
     if (curr_vel > swipe_threshold) {
@@ -297,105 +275,50 @@ void Controller_Gesture::EndPanEvent(GestureProperties& gesture,
     }
 
     // End panning without swipe
-    type = TouchType::Complete;
-    cur_entry.vel_x = 0;
-    cur_entry.vel_y = 0;
+    type = GestureType::Complete;
+    next_state.vel_x = 0;
+    next_state.vel_y = 0;
     force_update = true;
 }
 
 void Controller_Gesture::SetSwipeEvent(GestureProperties& gesture,
-                                       GestureProperties& last_gesture_props, TouchType& type) {
-    auto& cur_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
+                                       GestureProperties& last_gesture_props, GestureType& type) {
     const auto& last_entry = GetLastGestureEntry();
 
-    type = TouchType::Swipe;
+    type = GestureType::Swipe;
     gesture = last_gesture_props;
     force_update = true;
-    cur_entry.delta = last_entry.delta;
+    next_state.delta = last_entry.delta;
 
-    if (std::abs(cur_entry.delta.x) > std::abs(cur_entry.delta.y)) {
-        if (cur_entry.delta.x > 0) {
-            cur_entry.direction = Direction::Right;
+    if (std::abs(next_state.delta.x) > std::abs(next_state.delta.y)) {
+        if (next_state.delta.x > 0) {
+            next_state.direction = GestureDirection::Right;
             return;
         }
-        cur_entry.direction = Direction::Left;
+        next_state.direction = GestureDirection::Left;
         return;
     }
-    if (cur_entry.delta.y > 0) {
-        cur_entry.direction = Direction::Down;
+    if (next_state.delta.y > 0) {
+        next_state.direction = GestureDirection::Down;
         return;
     }
-    cur_entry.direction = Direction::Up;
-}
-
-void Controller_Gesture::OnLoadInputDevices() {
-    touch_mouse_device = Input::CreateDevice<Input::TouchDevice>("engine:emu_window");
-    touch_udp_device = Input::CreateDevice<Input::TouchDevice>("engine:cemuhookudp");
-    touch_btn_device = Input::CreateDevice<Input::TouchDevice>("engine:touch_from_button");
-}
-
-std::optional<std::size_t> Controller_Gesture::GetUnusedFingerID() const {
-    // Dont assign any touch input to a point if disabled
-    if (!Settings::values.touchscreen.enabled) {
-        return std::nullopt;
-    }
-    std::size_t first_free_id = 0;
-    while (first_free_id < MAX_POINTS) {
-        if (!fingers[first_free_id].pressed) {
-            return first_free_id;
-        } else {
-            first_free_id++;
-        }
-    }
-    return std::nullopt;
-}
-
-Controller_Gesture::GestureState& Controller_Gesture::GetLastGestureEntry() {
-    return shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
+    next_state.direction = GestureDirection::Up;
 }
 
 const Controller_Gesture::GestureState& Controller_Gesture::GetLastGestureEntry() const {
-    return shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
-}
-
-std::size_t Controller_Gesture::UpdateTouchInputEvent(
-    const std::tuple<float, float, bool>& touch_input, std::size_t finger_id) {
-    const auto& [x, y, pressed] = touch_input;
-    if (finger_id > MAX_POINTS) {
-        LOG_ERROR(Service_HID, "Invalid finger id {}", finger_id);
-        return MAX_POINTS;
-    }
-    if (pressed) {
-        if (finger_id == MAX_POINTS) {
-            const auto first_free_id = GetUnusedFingerID();
-            if (!first_free_id) {
-                // Invalid finger id do nothing
-                return MAX_POINTS;
-            }
-            finger_id = first_free_id.value();
-            fingers[finger_id].pressed = true;
-        }
-        fingers[finger_id].pos = {x, y};
-        return finger_id;
-    }
-
-    if (finger_id != MAX_POINTS) {
-        fingers[finger_id].pressed = false;
-    }
-
-    return MAX_POINTS;
+    return gesture_lifo.ReadCurrentEntry().state;
 }
 
 Controller_Gesture::GestureProperties Controller_Gesture::GetGestureProperties() {
     GestureProperties gesture;
-    std::array<Finger, MAX_POINTS> active_fingers;
+    std::array<Core::HID::TouchFinger, MAX_POINTS> active_fingers;
     const auto end_iter = std::copy_if(fingers.begin(), fingers.end(), active_fingers.begin(),
                                        [](const auto& finger) { return finger.pressed; });
     gesture.active_points =
         static_cast<std::size_t>(std::distance(active_fingers.begin(), end_iter));
 
     for (size_t id = 0; id < gesture.active_points; ++id) {
-        const auto& [active_x, active_y] = active_fingers[id].pos;
+        const auto& [active_x, active_y] = active_fingers[id].position;
         gesture.points[id] = {
             .x = static_cast<s32>(active_x * Layout::ScreenUndocked::Width),
             .y = static_cast<s32>(active_y * Layout::ScreenUndocked::Height),

src/core/hle/service/hid/controllers/gesture.h

@@ -8,13 +8,14 @@
 #include "common/bit_field.h"
 #include "common/common_types.h"
 #include "common/point.h"
-#include "core/frontend/input.h"
+#include "core/hid/emulated_console.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
+#include "core/hle/service/hid/ring_lifo.h"
 
 namespace Service::HID {
 class Controller_Gesture final : public ControllerBase {
 public:
-    explicit Controller_Gesture(Core::System& system_);
+    explicit Controller_Gesture(Core::HID::HIDCore& hid_core_);
     ~Controller_Gesture() override;
 
     // Called when the controller is initialized
@@ -26,14 +27,12 @@ public:
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
 private:
     static constexpr size_t MAX_FINGERS = 16;
     static constexpr size_t MAX_POINTS = 4;
 
-    enum class TouchType : u32 {
+    // This is nn::hid::GestureType
+    enum class GestureType : u32 {
         Idle,     // Nothing touching the screen
         Complete, // Set at the end of a touch event
         Cancel,   // Set when the number of fingers change
@@ -46,7 +45,8 @@ private:
         Rotate,   // All points rotating from the midpoint
     };
 
-    enum class Direction : u32 {
+    // This is nn::hid::GestureDirection
+    enum class GestureDirection : u32 {
         None,
         Left,
         Up,
@@ -54,51 +54,41 @@ private:
         Down,
     };
 
-    struct Attribute {
+    // This is nn::hid::GestureAttribute
+    struct GestureAttribute {
         union {
-            u32_le raw{};
+            u32 raw{};
 
             BitField<4, 1, u32> is_new_touch;
             BitField<8, 1, u32> is_double_tap;
         };
     };
-    static_assert(sizeof(Attribute) == 4, "Attribute is an invalid size");
+    static_assert(sizeof(GestureAttribute) == 4, "GestureAttribute is an invalid size");
 
+    // This is nn::hid::GestureState
     struct GestureState {
-        s64_le sampling_number;
-        s64_le sampling_number2;
-        s64_le detection_count;
-        TouchType type;
-        Direction direction;
-        Common::Point<s32_le> pos;
-        Common::Point<s32_le> delta;
+        s64 sampling_number;
+        s64 detection_count;
+        GestureType type;
+        GestureDirection direction;
+        Common::Point<s32> pos;
+        Common::Point<s32> delta;
         f32 vel_x;
         f32 vel_y;
-        Attribute attributes;
+        GestureAttribute attributes;
         f32 scale;
         f32 rotation_angle;
-        s32_le point_count;
-        std::array<Common::Point<s32_le>, 4> points;
-    };
-    static_assert(sizeof(GestureState) == 0x68, "GestureState is an invalid size");
-
-    struct SharedMemory {
-        CommonHeader header;
-        std::array<GestureState, 17> gesture_states;
-    };
-    static_assert(sizeof(SharedMemory) == 0x708, "SharedMemory is an invalid size");
-
-    struct Finger {
-        Common::Point<f32> pos{};
-        bool pressed{};
+        s32 point_count;
+        std::array<Common::Point<s32>, 4> points;
     };
+    static_assert(sizeof(GestureState) == 0x60, "GestureState is an invalid size");
 
     struct GestureProperties {
-        std::array<Common::Point<s32_le>, MAX_POINTS> points{};
+        std::array<Common::Point<s32>, MAX_POINTS> points{};
         std::size_t active_points{};
-        Common::Point<s32_le> mid_point{};
-        s64_le detection_count{};
-        u64_le delta_time{};
+        Common::Point<s32> mid_point{};
+        s64 detection_count{};
+        u64 delta_time{};
         f32 average_distance{};
         f32 angle{};
     };
@@ -114,61 +104,48 @@ private:
                                    f32 time_difference);
 
     // Initializes new gesture
-    void NewGesture(GestureProperties& gesture, TouchType& type, Attribute& attributes);
+    void NewGesture(GestureProperties& gesture, GestureType& type, GestureAttribute& attributes);
 
     // Updates existing gesture state
-    void UpdateExistingGesture(GestureProperties& gesture, TouchType& type, f32 time_difference);
+    void UpdateExistingGesture(GestureProperties& gesture, GestureType& type, f32 time_difference);
 
     // Terminates exiting gesture
     void EndGesture(GestureProperties& gesture, GestureProperties& last_gesture_props,
-                    TouchType& type, Attribute& attributes, f32 time_difference);
+                    GestureType& type, GestureAttribute& attributes, f32 time_difference);
 
     // Set current event to a tap event
     void SetTapEvent(GestureProperties& gesture, GestureProperties& last_gesture_props,
-                     TouchType& type, Attribute& attributes);
+                     GestureType& type, GestureAttribute& attributes);
 
     // Calculates and set the extra parameters related to a pan event
     void UpdatePanEvent(GestureProperties& gesture, GestureProperties& last_gesture_props,
-                        TouchType& type, f32 time_difference);
+                        GestureType& type, f32 time_difference);
 
     // Terminates the pan event
     void EndPanEvent(GestureProperties& gesture, GestureProperties& last_gesture_props,
-                     TouchType& type, f32 time_difference);
+                     GestureType& type, f32 time_difference);
 
     // Set current event to a swipe event
     void SetSwipeEvent(GestureProperties& gesture, GestureProperties& last_gesture_props,
-                       TouchType& type);
-
-    // Returns an unused finger id, if there is no fingers available std::nullopt is returned.
-    [[nodiscard]] std::optional<size_t> GetUnusedFingerID() const;
+                       GestureType& type);
 
     // Retrieves the last gesture entry, as indicated by shared memory indices.
-    [[nodiscard]] GestureState& GetLastGestureEntry();
     [[nodiscard]] const GestureState& GetLastGestureEntry() const;
 
-    /**
-     * If the touch is new it tries to assign a new finger id, if there is no fingers available no
-     * changes will be made. Updates the coordinates if the finger id it's already set. If the touch
-     * ends delays the output by one frame to set the end_touch flag before finally freeing the
-     * finger id
-     */
-    size_t UpdateTouchInputEvent(const std::tuple<float, float, bool>& touch_input,
-                                 size_t finger_id);
-
     // Returns the average distance, angle and middle point of the active fingers
     GestureProperties GetGestureProperties();
 
-    SharedMemory shared_memory{};
-    std::unique_ptr<Input::TouchDevice> touch_mouse_device;
-    std::unique_ptr<Input::TouchDevice> touch_udp_device;
-    std::unique_ptr<Input::TouchDevice> touch_btn_device;
-    std::array<size_t, MAX_FINGERS> mouse_finger_id{};
-    std::array<size_t, MAX_FINGERS> keyboard_finger_id{};
-    std::array<size_t, MAX_FINGERS> udp_finger_id{};
-    std::array<Finger, MAX_POINTS> fingers{};
+    // This is nn::hid::detail::GestureLifo
+    Lifo<GestureState, hid_entry_count> gesture_lifo{};
+    static_assert(sizeof(gesture_lifo) == 0x708, "gesture_lifo is an invalid size");
+    GestureState next_state{};
+
+    Core::HID::EmulatedConsole* console;
+
+    std::array<Core::HID::TouchFinger, MAX_POINTS> fingers{};
     GestureProperties last_gesture{};
-    s64_le last_update_timestamp{};
-    s64_le last_tap_timestamp{};
+    s64 last_update_timestamp{};
+    s64 last_tap_timestamp{};
     f32 last_pan_time_difference{};
     bool force_update{false};
     bool enable_press_and_tap{false};

src/core/hle/service/hid/controllers/keyboard.cpp

@@ -6,13 +6,18 @@
 #include "common/common_types.h"
 #include "common/settings.h"
 #include "core/core_timing.h"
+#include "core/hid/emulated_devices.h"
+#include "core/hid/hid_core.h"
 #include "core/hle/service/hid/controllers/keyboard.h"
 
 namespace Service::HID {
 constexpr std::size_t SHARED_MEMORY_OFFSET = 0x3800;
-constexpr u8 KEYS_PER_BYTE = 8;
 
-Controller_Keyboard::Controller_Keyboard(Core::System& system_) : ControllerBase{system_} {}
+Controller_Keyboard::Controller_Keyboard(Core::HID::HIDCore& hid_core_)
+    : ControllerBase{hid_core_} {
+    emulated_devices = hid_core.GetEmulatedDevices();
+}
+
 Controller_Keyboard::~Controller_Keyboard() = default;
 
 void Controller_Keyboard::OnInit() {}
@@ -21,51 +26,27 @@ void Controller_Keyboard::OnRelease() {}
 
 void Controller_Keyboard::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                                    std::size_t size) {
-    shared_memory.header.timestamp = core_timing.GetCPUTicks();
-    shared_memory.header.total_entry_count = 17;
-
     if (!IsControllerActivated()) {
-        shared_memory.header.entry_count = 0;
-        shared_memory.header.last_entry_index = 0;
+        keyboard_lifo.buffer_count = 0;
+        keyboard_lifo.buffer_tail = 0;
+        std::memcpy(data + SHARED_MEMORY_OFFSET, &keyboard_lifo, sizeof(keyboard_lifo));
         return;
     }
-    shared_memory.header.entry_count = 16;
 
-    const auto& last_entry = shared_memory.pad_states[shared_memory.header.last_entry_index];
-    shared_memory.header.last_entry_index = (shared_memory.header.last_entry_index + 1) % 17;
-    auto& cur_entry = shared_memory.pad_states[shared_memory.header.last_entry_index];
+    const auto& last_entry = keyboard_lifo.ReadCurrentEntry().state;
+    next_state.sampling_number = last_entry.sampling_number + 1;
 
-    cur_entry.sampling_number = last_entry.sampling_number + 1;
-    cur_entry.sampling_number2 = cur_entry.sampling_number;
-
-    cur_entry.key.fill(0);
     if (Settings::values.keyboard_enabled) {
-        for (std::size_t i = 0; i < keyboard_keys.size(); ++i) {
-            auto& entry = cur_entry.key[i / KEYS_PER_BYTE];
-            entry = static_cast<u8>(entry | (keyboard_keys[i]->GetStatus() << (i % KEYS_PER_BYTE)));
-        }
+        const auto& keyboard_state = emulated_devices->GetKeyboard();
+        const auto& keyboard_modifier_state = emulated_devices->GetKeyboardModifier();
 
-        using namespace Settings::NativeKeyboard;
-
-        // TODO: Assign the correct key to all modifiers
-        cur_entry.modifier.control.Assign(keyboard_mods[LeftControl]->GetStatus());
-        cur_entry.modifier.shift.Assign(keyboard_mods[LeftShift]->GetStatus());
-        cur_entry.modifier.left_alt.Assign(keyboard_mods[LeftAlt]->GetStatus());
-        cur_entry.modifier.right_alt.Assign(keyboard_mods[RightAlt]->GetStatus());
-        cur_entry.modifier.gui.Assign(0);
-        cur_entry.modifier.caps_lock.Assign(keyboard_mods[CapsLock]->GetStatus());
-        cur_entry.modifier.scroll_lock.Assign(keyboard_mods[ScrollLock]->GetStatus());
-        cur_entry.modifier.num_lock.Assign(keyboard_mods[NumLock]->GetStatus());
-        cur_entry.modifier.katakana.Assign(0);
-        cur_entry.modifier.hiragana.Assign(0);
+        next_state.key = keyboard_state;
+        next_state.modifier = keyboard_modifier_state;
+        next_state.attribute.is_connected.Assign(1);
     }
-    std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(SharedMemory));
+
+    keyboard_lifo.WriteNextEntry(next_state);
+    std::memcpy(data + SHARED_MEMORY_OFFSET, &keyboard_lifo, sizeof(keyboard_lifo));
 }
 
-void Controller_Keyboard::OnLoadInputDevices() {
-    std::transform(Settings::values.keyboard_keys.begin(), Settings::values.keyboard_keys.end(),
-                   keyboard_keys.begin(), Input::CreateDevice<Input::ButtonDevice>);
-    std::transform(Settings::values.keyboard_mods.begin(), Settings::values.keyboard_mods.end(),
-                   keyboard_mods.begin(), Input::CreateDevice<Input::ButtonDevice>);
-}
 } // namespace Service::HID

src/core/hle/service/hid/controllers/keyboard.h

@@ -8,15 +8,20 @@
 #include "common/bit_field.h"
 #include "common/common_funcs.h"
 #include "common/common_types.h"
-#include "common/settings.h"
 #include "common/swap.h"
-#include "core/frontend/input.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
+#include "core/hle/service/hid/ring_lifo.h"
+
+namespace Core::HID {
+class EmulatedDevices;
+struct KeyboardModifier;
+struct KeyboardKey;
+} // namespace Core::HID
 
 namespace Service::HID {
 class Controller_Keyboard final : public ControllerBase {
 public:
-    explicit Controller_Keyboard(Core::System& system_);
+    explicit Controller_Keyboard(Core::HID::HIDCore& hid_core_);
     ~Controller_Keyboard() override;
 
     // Called when the controller is initialized
@@ -28,47 +33,21 @@ public:
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
 private:
-    struct Modifiers {
-        union {
-            u32_le raw{};
-            BitField<0, 1, u32> control;
-            BitField<1, 1, u32> shift;
-            BitField<2, 1, u32> left_alt;
-            BitField<3, 1, u32> right_alt;
-            BitField<4, 1, u32> gui;
-            BitField<8, 1, u32> caps_lock;
-            BitField<9, 1, u32> scroll_lock;
-            BitField<10, 1, u32> num_lock;
-            BitField<11, 1, u32> katakana;
-            BitField<12, 1, u32> hiragana;
-        };
-    };
-    static_assert(sizeof(Modifiers) == 0x4, "Modifiers is an invalid size");
-
+    // This is nn::hid::detail::KeyboardState
     struct KeyboardState {
-        s64_le sampling_number;
-        s64_le sampling_number2;
-
-        Modifiers modifier;
-        std::array<u8, 32> key;
+        s64 sampling_number;
+        Core::HID::KeyboardModifier modifier;
+        Core::HID::KeyboardAttribute attribute;
+        Core::HID::KeyboardKey key;
     };
-    static_assert(sizeof(KeyboardState) == 0x38, "KeyboardState is an invalid size");
+    static_assert(sizeof(KeyboardState) == 0x30, "KeyboardState is an invalid size");
 
-    struct SharedMemory {
-        CommonHeader header;
-        std::array<KeyboardState, 17> pad_states;
-        INSERT_PADDING_BYTES(0x28);
-    };
-    static_assert(sizeof(SharedMemory) == 0x400, "SharedMemory is an invalid size");
-    SharedMemory shared_memory{};
+    // This is nn::hid::detail::KeyboardLifo
+    Lifo<KeyboardState, hid_entry_count> keyboard_lifo{};
+    static_assert(sizeof(keyboard_lifo) == 0x3D8, "keyboard_lifo is an invalid size");
+    KeyboardState next_state{};
 
-    std::array<std::unique_ptr<Input::ButtonDevice>, Settings::NativeKeyboard::NumKeyboardKeys>
-        keyboard_keys;
-    std::array<std::unique_ptr<Input::ButtonDevice>, Settings::NativeKeyboard::NumKeyboardMods>
-        keyboard_mods;
+    Core::HID::EmulatedDevices* emulated_devices;
 };
 } // namespace Service::HID

src/core/hle/service/hid/controllers/mouse.cpp

@@ -6,12 +6,17 @@
 #include "common/common_types.h"
 #include "core/core_timing.h"
 #include "core/frontend/emu_window.h"
+#include "core/hid/emulated_devices.h"
+#include "core/hid/hid_core.h"
 #include "core/hle/service/hid/controllers/mouse.h"
 
 namespace Service::HID {
 constexpr std::size_t SHARED_MEMORY_OFFSET = 0x3400;
 
-Controller_Mouse::Controller_Mouse(Core::System& system_) : ControllerBase{system_} {}
+Controller_Mouse::Controller_Mouse(Core::HID::HIDCore& hid_core_) : ControllerBase{hid_core_} {
+    emulated_devices = hid_core.GetEmulatedDevices();
+}
+
 Controller_Mouse::~Controller_Mouse() = default;
 
 void Controller_Mouse::OnInit() {}
@@ -19,50 +24,35 @@ void Controller_Mouse::OnRelease() {}
 
 void Controller_Mouse::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                                 std::size_t size) {
-    shared_memory.header.timestamp = core_timing.GetCPUTicks();
-    shared_memory.header.total_entry_count = 17;
-
     if (!IsControllerActivated()) {
-        shared_memory.header.entry_count = 0;
-        shared_memory.header.last_entry_index = 0;
+        mouse_lifo.buffer_count = 0;
+        mouse_lifo.buffer_tail = 0;
+        std::memcpy(data + SHARED_MEMORY_OFFSET, &mouse_lifo, sizeof(mouse_lifo));
         return;
     }
-    shared_memory.header.entry_count = 16;
 
-    auto& last_entry = shared_memory.mouse_states[shared_memory.header.last_entry_index];
-    shared_memory.header.last_entry_index = (shared_memory.header.last_entry_index + 1) % 17;
-    auto& cur_entry = shared_memory.mouse_states[shared_memory.header.last_entry_index];
+    const auto& last_entry = mouse_lifo.ReadCurrentEntry().state;
+    next_state.sampling_number = last_entry.sampling_number + 1;
 
-    cur_entry.sampling_number = last_entry.sampling_number + 1;
-    cur_entry.sampling_number2 = cur_entry.sampling_number;
-
-    cur_entry.attribute.raw = 0;
+    next_state.attribute.raw = 0;
     if (Settings::values.mouse_enabled) {
-        const auto [px, py, sx, sy] = mouse_device->GetStatus();
-        const auto x = static_cast<s32>(px * Layout::ScreenUndocked::Width);
-        const auto y = static_cast<s32>(py * Layout::ScreenUndocked::Height);
-        cur_entry.x = x;
-        cur_entry.y = y;
-        cur_entry.delta_x = x - last_entry.x;
-        cur_entry.delta_y = y - last_entry.y;
-        cur_entry.mouse_wheel_x = sx;
-        cur_entry.mouse_wheel_y = sy;
-        cur_entry.attribute.is_connected.Assign(1);
+        const auto& mouse_button_state = emulated_devices->GetMouseButtons();
+        const auto& mouse_position_state = emulated_devices->GetMousePosition();
+        const auto& mouse_wheel_state = emulated_devices->GetMouseWheel();
+        next_state.attribute.is_connected.Assign(1);
+        next_state.x = static_cast<s32>(mouse_position_state.x * Layout::ScreenUndocked::Width);
+        next_state.y = static_cast<s32>(mouse_position_state.y * Layout::ScreenUndocked::Height);
+        next_state.delta_x = next_state.x - last_entry.x;
+        next_state.delta_y = next_state.y - last_entry.y;
+        next_state.delta_wheel_x = mouse_wheel_state.x - last_mouse_wheel_state.x;
+        next_state.delta_wheel_y = mouse_wheel_state.y - last_mouse_wheel_state.y;
 
-        using namespace Settings::NativeMouseButton;
-        cur_entry.button.left.Assign(mouse_button_devices[Left]->GetStatus());
-        cur_entry.button.right.Assign(mouse_button_devices[Right]->GetStatus());
-        cur_entry.button.middle.Assign(mouse_button_devices[Middle]->GetStatus());
-        cur_entry.button.forward.Assign(mouse_button_devices[Forward]->GetStatus());
-        cur_entry.button.back.Assign(mouse_button_devices[Back]->GetStatus());
+        last_mouse_wheel_state = mouse_wheel_state;
+        next_state.button = mouse_button_state;
     }
 
-    std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(SharedMemory));
+    mouse_lifo.WriteNextEntry(next_state);
+    std::memcpy(data + SHARED_MEMORY_OFFSET, &mouse_lifo, sizeof(mouse_lifo));
 }
 
-void Controller_Mouse::OnLoadInputDevices() {
-    mouse_device = Input::CreateDevice<Input::MouseDevice>(Settings::values.mouse_device);
-    std::transform(Settings::values.mouse_buttons.begin(), Settings::values.mouse_buttons.end(),
-                   mouse_button_devices.begin(), Input::CreateDevice<Input::ButtonDevice>);
-}
 } // namespace Service::HID

src/core/hle/service/hid/controllers/mouse.h

@@ -7,15 +7,20 @@
 #include <array>
 #include "common/bit_field.h"
 #include "common/common_types.h"
-#include "common/settings.h"
 #include "common/swap.h"
-#include "core/frontend/input.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
+#include "core/hle/service/hid/ring_lifo.h"
+
+namespace Core::HID {
+class EmulatedDevices;
+struct MouseState;
+struct AnalogStickState;
+} // namespace Core::HID
 
 namespace Service::HID {
 class Controller_Mouse final : public ControllerBase {
 public:
-    explicit Controller_Mouse(Core::System& system_);
+    explicit Controller_Mouse(Core::HID::HIDCore& hid_core_);
     ~Controller_Mouse() override;
 
     // Called when the controller is initialized
@@ -27,53 +32,13 @@ public:
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
 private:
-    struct Buttons {
-        union {
-            u32_le raw{};
-            BitField<0, 1, u32> left;
-            BitField<1, 1, u32> right;
-            BitField<2, 1, u32> middle;
-            BitField<3, 1, u32> forward;
-            BitField<4, 1, u32> back;
-        };
-    };
-    static_assert(sizeof(Buttons) == 0x4, "Buttons is an invalid size");
+    // This is nn::hid::detail::MouseLifo
+    Lifo<Core::HID::MouseState, hid_entry_count> mouse_lifo{};
+    static_assert(sizeof(mouse_lifo) == 0x350, "mouse_lifo is an invalid size");
+    Core::HID::MouseState next_state{};
 
-    struct Attributes {
-        union {
-            u32_le raw{};
-            BitField<0, 1, u32> transferable;
-            BitField<1, 1, u32> is_connected;
-        };
-    };
-    static_assert(sizeof(Attributes) == 0x4, "Attributes is an invalid size");
-
-    struct MouseState {
-        s64_le sampling_number;
-        s64_le sampling_number2;
-        s32_le x;
-        s32_le y;
-        s32_le delta_x;
-        s32_le delta_y;
-        s32_le mouse_wheel_x;
-        s32_le mouse_wheel_y;
-        Buttons button;
-        Attributes attribute;
-    };
-    static_assert(sizeof(MouseState) == 0x30, "MouseState is an invalid size");
-
-    struct SharedMemory {
-        CommonHeader header;
-        std::array<MouseState, 17> mouse_states;
-    };
-    SharedMemory shared_memory{};
-
-    std::unique_ptr<Input::MouseDevice> mouse_device;
-    std::array<std::unique_ptr<Input::ButtonDevice>, Settings::NativeMouseButton::NumMouseButtons>
-        mouse_button_devices;
+    Core::HID::AnalogStickState last_mouse_wheel_state;
+    Core::HID::EmulatedDevices* emulated_devices;
 };
 } // namespace Service::HID

src/core/hle/service/hid/controllers/npad.h

@@ -11,9 +11,14 @@
 #include "common/bit_field.h"
 #include "common/common_types.h"
 #include "common/quaternion.h"
-#include "common/settings.h"
-#include "core/frontend/input.h"
+#include "core/hid/hid_types.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
+#include "core/hle/service/hid/ring_lifo.h"
+
+namespace Core::HID {
+class EmulatedController;
+enum class ControllerTriggerType;
+} // namespace Core::HID
 
 namespace Kernel {
 class KEvent;
@@ -26,12 +31,9 @@ class ServiceContext;
 
 namespace Service::HID {
 
-constexpr u32 NPAD_HANDHELD = 32;
-constexpr u32 NPAD_UNKNOWN = 16; // TODO(ogniK): What is this?
-
 class Controller_NPad final : public ControllerBase {
 public:
-    explicit Controller_NPad(Core::System& system_,
+    explicit Controller_NPad(Core::HID::HIDCore& hid_core_,
                              KernelHelpers::ServiceContext& service_context_);
     ~Controller_NPad() override;
 
@@ -48,60 +50,39 @@ public:
     void OnMotionUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                         std::size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
-    enum class NPadControllerType {
-        None,
-        ProController,
-        Handheld,
-        JoyDual,
-        JoyLeft,
-        JoyRight,
-        GameCube,
-        Pokeball,
-    };
-
-    enum class NpadType : u8 {
-        ProController = 3,
-        Handheld = 4,
-        JoyconDual = 5,
-        JoyconLeft = 6,
-        JoyconRight = 7,
-        GameCube = 8,
-        Pokeball = 9,
-        MaxNpadType = 10,
-    };
-
-    enum class DeviceIndex : u8 {
-        Left = 0,
-        Right = 1,
-        None = 2,
-        MaxDeviceIndex = 3,
-    };
-
+    // This is nn::hid::GyroscopeZeroDriftMode
     enum class GyroscopeZeroDriftMode : u32 {
         Loose = 0,
         Standard = 1,
         Tight = 2,
     };
 
-    enum class NpadHoldType : u64 {
+    // This is nn::hid::NpadJoyHoldType
+    enum class NpadJoyHoldType : u64 {
         Vertical = 0,
         Horizontal = 1,
     };
 
-    enum class NpadAssignments : u32 {
+    // This is nn::hid::NpadJoyAssignmentMode
+    enum class NpadJoyAssignmentMode : u32 {
         Dual = 0,
         Single = 1,
     };
 
+    // This is nn::hid::NpadJoyDeviceType
+    enum class NpadJoyDeviceType : s64 {
+        Left = 0,
+        Right = 1,
+    };
+
+    // This is nn::hid::NpadHandheldActivationMode
     enum class NpadHandheldActivationMode : u64 {
         Dual = 0,
         Single = 1,
         None = 2,
     };
 
+    // This is nn::hid::NpadCommunicationMode
     enum class NpadCommunicationMode : u64 {
         Mode_5ms = 0,
         Mode_10ms = 1,
@@ -109,74 +90,22 @@ public:
         Default = 3,
     };
 
-    struct DeviceHandle {
-        NpadType npad_type;
-        u8 npad_id;
-        DeviceIndex device_index;
-        INSERT_PADDING_BYTES_NOINIT(1);
-    };
-    static_assert(sizeof(DeviceHandle) == 4, "DeviceHandle is an invalid size");
-
-    struct NpadStyleSet {
-        union {
-            u32_le raw{};
-
-            BitField<0, 1, u32> fullkey;
-            BitField<1, 1, u32> handheld;
-            BitField<2, 1, u32> joycon_dual;
-            BitField<3, 1, u32> joycon_left;
-            BitField<4, 1, u32> joycon_right;
-            BitField<5, 1, u32> gamecube;
-            BitField<6, 1, u32> palma;
-            BitField<7, 1, u32> lark;
-            BitField<8, 1, u32> handheld_lark;
-            BitField<9, 1, u32> lucia;
-            BitField<29, 1, u32> system_ext;
-            BitField<30, 1, u32> system;
-        };
-    };
-    static_assert(sizeof(NpadStyleSet) == 4, "NpadStyleSet is an invalid size");
-
-    struct VibrationValue {
-        f32 amp_low;
-        f32 freq_low;
-        f32 amp_high;
-        f32 freq_high;
-    };
-    static_assert(sizeof(VibrationValue) == 0x10, "Vibration is an invalid size");
-
-    static constexpr VibrationValue DEFAULT_VIBRATION_VALUE{
-        .amp_low = 0.0f,
-        .freq_low = 160.0f,
-        .amp_high = 0.0f,
-        .freq_high = 320.0f,
+    static constexpr Core::HID::VibrationValue DEFAULT_VIBRATION_VALUE{
+        .low_amplitude = 0.0f,
+        .low_frequency = 160.0f,
+        .high_amplitude = 0.0f,
+        .high_frequency = 320.0f,
     };
 
-    struct LedPattern {
-        explicit LedPattern(u64 light1, u64 light2, u64 light3, u64 light4) {
-            position1.Assign(light1);
-            position2.Assign(light2);
-            position3.Assign(light3);
-            position4.Assign(light4);
-        }
-        union {
-            u64 raw{};
-            BitField<0, 1, u64> position1;
-            BitField<1, 1, u64> position2;
-            BitField<2, 1, u64> position3;
-            BitField<3, 1, u64> position4;
-        };
-    };
-
-    void SetSupportedStyleSet(NpadStyleSet style_set);
-    NpadStyleSet GetSupportedStyleSet() const;
+    void SetSupportedStyleSet(Core::HID::NpadStyleTag style_set);
+    Core::HID::NpadStyleTag GetSupportedStyleSet() const;
 
     void SetSupportedNpadIdTypes(u8* data, std::size_t length);
     void GetSupportedNpadIdTypes(u32* data, std::size_t max_length);
     std::size_t GetSupportedNpadIdTypesSize() const;
 
-    void SetHoldType(NpadHoldType joy_hold_type);
-    NpadHoldType GetHoldType() const;
+    void SetHoldType(NpadJoyHoldType joy_hold_type);
+    NpadJoyHoldType GetHoldType() const;
 
     void SetNpadHandheldActivationMode(NpadHandheldActivationMode activation_mode);
     NpadHandheldActivationMode GetNpadHandheldActivationMode() const;
@@ -184,162 +113,106 @@ public:
     void SetNpadCommunicationMode(NpadCommunicationMode communication_mode_);
     NpadCommunicationMode GetNpadCommunicationMode() const;
 
-    void SetNpadMode(u32 npad_id, NpadAssignments assignment_mode);
+    void SetNpadMode(Core::HID::NpadIdType npad_id, NpadJoyAssignmentMode assignment_mode);
 
-    bool VibrateControllerAtIndex(std::size_t npad_index, std::size_t device_index,
-                                  const VibrationValue& vibration_value);
+    bool VibrateControllerAtIndex(Core::HID::NpadIdType npad_id, std::size_t device_index,
+                                  const Core::HID::VibrationValue& vibration_value);
 
-    void VibrateController(const DeviceHandle& vibration_device_handle,
-                           const VibrationValue& vibration_value);
+    void VibrateController(const Core::HID::VibrationDeviceHandle& vibration_device_handle,
+                           const Core::HID::VibrationValue& vibration_value);
 
-    void VibrateControllers(const std::vector<DeviceHandle>& vibration_device_handles,
-                            const std::vector<VibrationValue>& vibration_values);
+    void VibrateControllers(
+        const std::vector<Core::HID::VibrationDeviceHandle>& vibration_device_handles,
+        const std::vector<Core::HID::VibrationValue>& vibration_values);
 
-    VibrationValue GetLastVibration(const DeviceHandle& vibration_device_handle) const;
+    Core::HID::VibrationValue GetLastVibration(
+        const Core::HID::VibrationDeviceHandle& vibration_device_handle) const;
 
-    void InitializeVibrationDevice(const DeviceHandle& vibration_device_handle);
+    void InitializeVibrationDevice(const Core::HID::VibrationDeviceHandle& vibration_device_handle);
 
-    void InitializeVibrationDeviceAtIndex(std::size_t npad_index, std::size_t device_index);
+    void InitializeVibrationDeviceAtIndex(Core::HID::NpadIdType npad_id, std::size_t device_index);
 
     void SetPermitVibrationSession(bool permit_vibration_session);
 
-    bool IsVibrationDeviceMounted(const DeviceHandle& vibration_device_handle) const;
+    bool IsVibrationDeviceMounted(
+        const Core::HID::VibrationDeviceHandle& vibration_device_handle) const;
 
-    Kernel::KReadableEvent& GetStyleSetChangedEvent(u32 npad_id);
-    void SignalStyleSetChangedEvent(u32 npad_id) const;
+    Kernel::KReadableEvent& GetStyleSetChangedEvent(Core::HID::NpadIdType npad_id);
+    void SignalStyleSetChangedEvent(Core::HID::NpadIdType npad_id) const;
 
     // Adds a new controller at an index.
-    void AddNewControllerAt(NPadControllerType controller, std::size_t npad_index);
+    void AddNewControllerAt(Core::HID::NpadStyleIndex controller, Core::HID::NpadIdType npad_id);
     // Adds a new controller at an index with connection status.
-    void UpdateControllerAt(NPadControllerType controller, std::size_t npad_index, bool connected);
+    void UpdateControllerAt(Core::HID::NpadStyleIndex controller, Core::HID::NpadIdType npad_id,
+                            bool connected);
 
-    void DisconnectNpad(u32 npad_id);
-    void DisconnectNpadAtIndex(std::size_t index);
+    void DisconnectNpad(Core::HID::NpadIdType npad_id);
 
-    void SetGyroscopeZeroDriftMode(GyroscopeZeroDriftMode drift_mode);
-    GyroscopeZeroDriftMode GetGyroscopeZeroDriftMode() const;
-    bool IsSixAxisSensorAtRest() const;
-    void SetSixAxisEnabled(bool six_axis_status);
-    void SetSixAxisFusionParameters(f32 parameter1, f32 parameter2);
-    std::pair<f32, f32> GetSixAxisFusionParameters();
-    void ResetSixAxisFusionParameters();
-    LedPattern GetLedPattern(u32 npad_id);
-    bool IsUnintendedHomeButtonInputProtectionEnabled(u32 npad_id) const;
-    void SetUnintendedHomeButtonInputProtectionEnabled(bool is_protection_enabled, u32 npad_id);
+    void SetGyroscopeZeroDriftMode(Core::HID::SixAxisSensorHandle sixaxis_handle,
+                                   GyroscopeZeroDriftMode drift_mode);
+    GyroscopeZeroDriftMode GetGyroscopeZeroDriftMode(
+        Core::HID::SixAxisSensorHandle sixaxis_handle) const;
+    bool IsSixAxisSensorAtRest(Core::HID::SixAxisSensorHandle sixaxis_handle) const;
+    void SetSixAxisEnabled(Core::HID::SixAxisSensorHandle sixaxis_handle, bool sixaxis_status);
+    void SetSixAxisFusionEnabled(Core::HID::SixAxisSensorHandle sixaxis_handle,
+                                 bool sixaxis_fusion_status);
+    void SetSixAxisFusionParameters(
+        Core::HID::SixAxisSensorHandle sixaxis_handle,
+        Core::HID::SixAxisSensorFusionParameters sixaxis_fusion_parameters);
+    Core::HID::SixAxisSensorFusionParameters GetSixAxisFusionParameters(
+        Core::HID::SixAxisSensorHandle sixaxis_handle);
+    void ResetSixAxisFusionParameters(Core::HID::SixAxisSensorHandle sixaxis_handle);
+    Core::HID::LedPattern GetLedPattern(Core::HID::NpadIdType npad_id);
+    bool IsUnintendedHomeButtonInputProtectionEnabled(Core::HID::NpadIdType npad_id) const;
+    void SetUnintendedHomeButtonInputProtectionEnabled(bool is_protection_enabled,
+                                                       Core::HID::NpadIdType npad_id);
     void SetAnalogStickUseCenterClamp(bool use_center_clamp);
     void ClearAllConnectedControllers();
     void DisconnectAllConnectedControllers();
     void ConnectAllDisconnectedControllers();
     void ClearAllControllers();
 
-    void MergeSingleJoyAsDualJoy(u32 npad_id_1, u32 npad_id_2);
+    void MergeSingleJoyAsDualJoy(Core::HID::NpadIdType npad_id_1, Core::HID::NpadIdType npad_id_2);
     void StartLRAssignmentMode();
     void StopLRAssignmentMode();
-    bool SwapNpadAssignment(u32 npad_id_1, u32 npad_id_2);
+    bool SwapNpadAssignment(Core::HID::NpadIdType npad_id_1, Core::HID::NpadIdType npad_id_2);
 
     // Logical OR for all buttons presses on all controllers
     // Specifically for cheat engine and other features.
     u32 GetAndResetPressState();
 
-    static Controller_NPad::NPadControllerType MapSettingsTypeToNPad(Settings::ControllerType type);
-    static Settings::ControllerType MapNPadToSettingsType(Controller_NPad::NPadControllerType type);
-    static std::size_t NPadIdToIndex(u32 npad_id);
-    static u32 IndexToNPad(std::size_t index);
-    static bool IsNpadIdValid(u32 npad_id);
-    static bool IsDeviceHandleValid(const DeviceHandle& device_handle);
+    static bool IsNpadIdValid(Core::HID::NpadIdType npad_id);
+    static bool IsDeviceHandleValid(const Core::HID::SixAxisSensorHandle& device_handle);
+    static bool IsDeviceHandleValid(const Core::HID::VibrationDeviceHandle& device_handle);
 
 private:
-    struct CommonHeader {
-        s64_le timestamp;
-        s64_le total_entry_count;
-        s64_le last_entry_index;
-        s64_le entry_count;
-    };
-    static_assert(sizeof(CommonHeader) == 0x20, "CommonHeader is an invalid size");
-
-    enum class ColorAttributes : u32_le {
+    // This is nn::hid::detail::ColorAttribute
+    enum class ColorAttribute : u32 {
         Ok = 0,
         ReadError = 1,
         NoController = 2,
     };
-    static_assert(sizeof(ColorAttributes) == 4, "ColorAttributes is an invalid size");
+    static_assert(sizeof(ColorAttribute) == 4, "ColorAttribute is an invalid size");
 
-    struct ControllerColor {
-        u32_le body;
-        u32_le button;
+    // This is nn::hid::detail::NpadFullKeyColorState
+    struct NpadFullKeyColorState {
+        ColorAttribute attribute;
+        Core::HID::NpadControllerColor fullkey;
     };
-    static_assert(sizeof(ControllerColor) == 8, "ControllerColor is an invalid size");
+    static_assert(sizeof(NpadFullKeyColorState) == 0xC, "NpadFullKeyColorState is an invalid size");
 
-    struct FullKeyColor {
-        ColorAttributes attribute;
-        ControllerColor fullkey;
+    // This is nn::hid::detail::NpadJoyColorState
+    struct NpadJoyColorState {
+        ColorAttribute attribute;
+        Core::HID::NpadControllerColor left;
+        Core::HID::NpadControllerColor right;
     };
-    static_assert(sizeof(FullKeyColor) == 0xC, "FullKeyColor is an invalid size");
+    static_assert(sizeof(NpadJoyColorState) == 0x14, "NpadJoyColorState is an invalid size");
 
-    struct JoyconColor {
-        ColorAttributes attribute;
-        ControllerColor left;
-        ControllerColor right;
-    };
-    static_assert(sizeof(JoyconColor) == 0x14, "JoyconColor is an invalid size");
-
-    struct ControllerPadState {
+    // This is nn::hid::NpadAttribute
+    struct NpadAttribute {
         union {
-            u64_le raw{};
-            // Button states
-            BitField<0, 1, u64> a;
-            BitField<1, 1, u64> b;
-            BitField<2, 1, u64> x;
-            BitField<3, 1, u64> y;
-            BitField<4, 1, u64> l_stick;
-            BitField<5, 1, u64> r_stick;
-            BitField<6, 1, u64> l;
-            BitField<7, 1, u64> r;
-            BitField<8, 1, u64> zl;
-            BitField<9, 1, u64> zr;
-            BitField<10, 1, u64> plus;
-            BitField<11, 1, u64> minus;
-
-            // D-Pad
-            BitField<12, 1, u64> d_left;
-            BitField<13, 1, u64> d_up;
-            BitField<14, 1, u64> d_right;
-            BitField<15, 1, u64> d_down;
-
-            // Left JoyStick
-            BitField<16, 1, u64> l_stick_left;
-            BitField<17, 1, u64> l_stick_up;
-            BitField<18, 1, u64> l_stick_right;
-            BitField<19, 1, u64> l_stick_down;
-
-            // Right JoyStick
-            BitField<20, 1, u64> r_stick_left;
-            BitField<21, 1, u64> r_stick_up;
-            BitField<22, 1, u64> r_stick_right;
-            BitField<23, 1, u64> r_stick_down;
-
-            // Not always active?
-            BitField<24, 1, u64> left_sl;
-            BitField<25, 1, u64> left_sr;
-
-            BitField<26, 1, u64> right_sl;
-            BitField<27, 1, u64> right_sr;
-
-            BitField<28, 1, u64> palma;
-            BitField<30, 1, u64> handheld_left_b;
-        };
-    };
-    static_assert(sizeof(ControllerPadState) == 8, "ControllerPadState is an invalid size");
-
-    struct AnalogPosition {
-        s32_le x;
-        s32_le y;
-    };
-    static_assert(sizeof(AnalogPosition) == 8, "AnalogPosition is an invalid size");
-
-    struct ConnectionState {
-        union {
-            u32_le raw{};
+            u32 raw{};
             BitField<0, 1, u32> is_connected;
             BitField<1, 1, u32> is_wired;
             BitField<2, 1, u32> is_left_connected;
@@ -348,79 +221,60 @@ private:
             BitField<5, 1, u32> is_right_wired;
         };
     };
-    static_assert(sizeof(ConnectionState) == 4, "ConnectionState is an invalid size");
+    static_assert(sizeof(NpadAttribute) == 4, "NpadAttribute is an invalid size");
 
-    struct ControllerPad {
-        ControllerPadState pad_states;
-        AnalogPosition l_stick;
-        AnalogPosition r_stick;
+    // This is nn::hid::NpadFullKeyState
+    // This is nn::hid::NpadHandheldState
+    // This is nn::hid::NpadJoyDualState
+    // This is nn::hid::NpadJoyLeftState
+    // This is nn::hid::NpadJoyRightState
+    // This is nn::hid::NpadPalmaState
+    // This is nn::hid::NpadSystemExtState
+    struct NPadGenericState {
+        s64_le sampling_number;
+        Core::HID::NpadButtonState npad_buttons;
+        Core::HID::AnalogStickState l_stick;
+        Core::HID::AnalogStickState r_stick;
+        NpadAttribute connection_status;
+        INSERT_PADDING_BYTES(4); // Reserved
     };
-    static_assert(sizeof(ControllerPad) == 0x18, "ControllerPad is an invalid size");
+    static_assert(sizeof(NPadGenericState) == 0x28, "NPadGenericState is an invalid size");
 
-    struct GenericStates {
-        s64_le timestamp;
-        s64_le timestamp2;
-        ControllerPad pad;
-        ConnectionState connection_status;
-    };
-    static_assert(sizeof(GenericStates) == 0x30, "NPadGenericStates is an invalid size");
-
-    struct NPadGeneric {
-        CommonHeader common;
-        std::array<GenericStates, 17> npad;
-    };
-    static_assert(sizeof(NPadGeneric) == 0x350, "NPadGeneric is an invalid size");
-
-    struct SixAxisAttributes {
+    // This is nn::hid::SixAxisSensorAttribute
+    struct SixAxisSensorAttribute {
         union {
-            u32_le raw{};
+            u32 raw{};
             BitField<0, 1, u32> is_connected;
             BitField<1, 1, u32> is_interpolated;
         };
     };
-    static_assert(sizeof(SixAxisAttributes) == 4, "SixAxisAttributes is an invalid size");
+    static_assert(sizeof(SixAxisSensorAttribute) == 4, "SixAxisSensorAttribute is an invalid size");
 
-    struct SixAxisStates {
-        s64_le timestamp{};
-        INSERT_PADDING_WORDS(2);
-        s64_le timestamp2{};
+    // This is nn::hid::SixAxisSensorState
+    struct SixAxisSensorState {
+        s64 delta_time{};
+        s64 sampling_number{};
         Common::Vec3f accel{};
         Common::Vec3f gyro{};
         Common::Vec3f rotation{};
         std::array<Common::Vec3f, 3> orientation{};
-        SixAxisAttributes attribute;
+        SixAxisSensorAttribute attribute;
         INSERT_PADDING_BYTES(4); // Reserved
     };
-    static_assert(sizeof(SixAxisStates) == 0x68, "SixAxisStates is an invalid size");
+    static_assert(sizeof(SixAxisSensorState) == 0x60, "SixAxisSensorState is an invalid size");
 
-    struct SixAxisGeneric {
-        CommonHeader common{};
-        std::array<SixAxisStates, 17> sixaxis{};
+    // This is nn::hid::server::NpadGcTriggerState
+    struct NpadGcTriggerState {
+        s64 sampling_number{};
+        s32 l_analog{};
+        s32 r_analog{};
     };
-    static_assert(sizeof(SixAxisGeneric) == 0x708, "SixAxisGeneric is an invalid size");
-
-    struct TriggerState {
-        s64_le timestamp{};
-        s64_le timestamp2{};
-        s32_le l_analog{};
-        s32_le r_analog{};
-    };
-    static_assert(sizeof(TriggerState) == 0x18, "TriggerState is an invalid size");
-
-    struct TriggerGeneric {
-        INSERT_PADDING_BYTES(0x4);
-        s64_le timestamp;
-        INSERT_PADDING_BYTES(0x4);
-        s64_le total_entry_count;
-        s64_le last_entry_index;
-        s64_le entry_count;
-        std::array<TriggerState, 17> trigger{};
-    };
-    static_assert(sizeof(TriggerGeneric) == 0x1C8, "TriggerGeneric is an invalid size");
+    static_assert(sizeof(NpadGcTriggerState) == 0x10, "NpadGcTriggerState is an invalid size");
 
+    // This is nn::hid::NpadSystemProperties
     struct NPadSystemProperties {
         union {
-            s64_le raw{};
+            s64 raw{};
             BitField<0, 1, s64> is_charging_joy_dual;
             BitField<1, 1, s64> is_charging_joy_left;
             BitField<2, 1, s64> is_charging_joy_right;
@@ -438,17 +292,20 @@ private:
     };
     static_assert(sizeof(NPadSystemProperties) == 0x8, "NPadSystemProperties is an invalid size");
 
-    struct NPadButtonProperties {
+    // This is nn::hid::NpadSystemButtonProperties
+    struct NpadSystemButtonProperties {
         union {
-            s32_le raw{};
+            s32 raw{};
             BitField<0, 1, s32> is_home_button_protection_enabled;
         };
     };
-    static_assert(sizeof(NPadButtonProperties) == 0x4, "NPadButtonProperties is an invalid size");
+    static_assert(sizeof(NpadSystemButtonProperties) == 0x4,
+                  "NPadButtonProperties is an invalid size");
 
-    struct NPadDevice {
+    // This is nn::hid::system::DeviceType
+    struct DeviceType {
         union {
-            u32_le raw{};
+            u32 raw{};
             BitField<0, 1, s32> fullkey;
             BitField<1, 1, s32> debug_pad;
             BitField<2, 1, s32> handheld_left;
@@ -465,26 +322,29 @@ private:
             BitField<13, 1, s32> handheld_lark_nes_left;
             BitField<14, 1, s32> handheld_lark_nes_right;
             BitField<15, 1, s32> lucia;
+            BitField<16, 1, s32> lagon;
+            BitField<17, 1, s32> lager;
             BitField<31, 1, s32> system;
         };
     };
 
-    struct MotionDevice {
-        Common::Vec3f accel;
-        Common::Vec3f gyro;
-        Common::Vec3f rotation;
-        std::array<Common::Vec3f, 3> orientation;
-        Common::Quaternion<f32> quaternion;
-    };
-
-    struct NfcXcdHandle {
-        INSERT_PADDING_BYTES(0x60);
+    // This is nn::hid::detail::NfcXcdDeviceHandleStateImpl
+    struct NfcXcdDeviceHandleStateImpl {
+        u64 handle;
+        bool is_available;
+        bool is_activated;
+        INSERT_PADDING_BYTES(0x6); // Reserved
+        u64 sampling_number;
     };
+    static_assert(sizeof(NfcXcdDeviceHandleStateImpl) == 0x18,
+                  "NfcXcdDeviceHandleStateImpl is an invalid size");
 
+    // This is nn::hid::system::AppletFooterUiAttributesSet
     struct AppletFooterUiAttributes {
         INSERT_PADDING_BYTES(0x4);
     };
 
+    // This is nn::hid::system::AppletFooterUiType
     enum class AppletFooterUiType : u8 {
         None = 0,
         HandheldNone = 1,
@@ -510,95 +370,150 @@ private:
         Lagon = 21,
     };
 
-    struct NPadEntry {
-        NpadStyleSet style_set;
-        NpadAssignments assignment_mode;
-        FullKeyColor fullkey_color;
-        JoyconColor joycon_color;
+    struct AppletFooterUi {
+        AppletFooterUiAttributes attributes;
+        AppletFooterUiType type;
+        INSERT_PADDING_BYTES(0x5B); // Reserved
+    };
+    static_assert(sizeof(AppletFooterUi) == 0x60, "AppletFooterUi is an invalid size");
 
-        NPadGeneric fullkey_states;
-        NPadGeneric handheld_states;
-        NPadGeneric joy_dual_states;
-        NPadGeneric joy_left_states;
-        NPadGeneric joy_right_states;
-        NPadGeneric palma_states;
-        NPadGeneric system_ext_states;
-        SixAxisGeneric sixaxis_fullkey;
-        SixAxisGeneric sixaxis_handheld;
-        SixAxisGeneric sixaxis_dual_left;
-        SixAxisGeneric sixaxis_dual_right;
-        SixAxisGeneric sixaxis_left;
-        SixAxisGeneric sixaxis_right;
-        NPadDevice device_type;
-        INSERT_PADDING_BYTES(0x4); // reserved
+    // This is nn::hid::NpadLarkType
+    enum class NpadLarkType : u32 {
+        Invalid,
+        H1,
+        H2,
+        NL,
+        NR,
+    };
+
+    // This is nn::hid::NpadLuciaType
+    enum class NpadLuciaType : u32 {
+        Invalid,
+        J,
+        E,
+        U,
+    };
+
+    // This is nn::hid::NpadLagonType
+    enum class NpadLagonType : u32 {
+        Invalid,
+    };
+
+    // This is nn::hid::NpadLagerType
+    enum class NpadLagerType : u32 {
+        Invalid,
+        J,
+        E,
+        U,
+    };
+
+    // This is nn::hid::detail::NpadInternalState
+    struct NpadInternalState {
+        Core::HID::NpadStyleTag style_tag;
+        NpadJoyAssignmentMode assignment_mode;
+        NpadFullKeyColorState fullkey_color;
+        NpadJoyColorState joycon_color;
+        Lifo<NPadGenericState, hid_entry_count> fullkey_lifo;
+        Lifo<NPadGenericState, hid_entry_count> handheld_lifo;
+        Lifo<NPadGenericState, hid_entry_count> joy_dual_lifo;
+        Lifo<NPadGenericState, hid_entry_count> joy_left_lifo;
+        Lifo<NPadGenericState, hid_entry_count> joy_right_lifo;
+        Lifo<NPadGenericState, hid_entry_count> palma_lifo;
+        Lifo<NPadGenericState, hid_entry_count> system_ext_lifo;
+        Lifo<SixAxisSensorState, hid_entry_count> sixaxis_fullkey_lifo;
+        Lifo<SixAxisSensorState, hid_entry_count> sixaxis_handheld_lifo;
+        Lifo<SixAxisSensorState, hid_entry_count> sixaxis_dual_left_lifo;
+        Lifo<SixAxisSensorState, hid_entry_count> sixaxis_dual_right_lifo;
+        Lifo<SixAxisSensorState, hid_entry_count> sixaxis_left_lifo;
+        Lifo<SixAxisSensorState, hid_entry_count> sixaxis_right_lifo;
+        DeviceType device_type;
+        INSERT_PADDING_BYTES(0x4); // Reserved
         NPadSystemProperties system_properties;
-        NPadButtonProperties button_properties;
-        u32 battery_level_dual;
-        u32 battery_level_left;
-        u32 battery_level_right;
-        AppletFooterUiAttributes footer_attributes;
-        AppletFooterUiType footer_type;
-        // nfc_states needs to be checked switchbrew does not match with HW
-        NfcXcdHandle nfc_states;
-        INSERT_PADDING_BYTES(0x8); // Mutex
-        TriggerGeneric gc_trigger_states;
-        INSERT_PADDING_BYTES(0xc1f);
+        NpadSystemButtonProperties button_properties;
+        Core::HID::NpadBatteryLevel battery_level_dual;
+        Core::HID::NpadBatteryLevel battery_level_left;
+        Core::HID::NpadBatteryLevel battery_level_right;
+        union {
+            Lifo<NfcXcdDeviceHandleStateImpl, 0x2> nfc_xcd_device_lifo{};
+            AppletFooterUi applet_footer;
+        };
+        INSERT_PADDING_BYTES(0x20); // Unknown
+        Lifo<NpadGcTriggerState, hid_entry_count> gc_trigger_lifo;
+        NpadLarkType lark_type_l_and_main;
+        NpadLarkType lark_type_r;
+        NpadLuciaType lucia_type;
+        NpadLagonType lagon_type;
+        NpadLagerType lager_type;
+        // FW 13.x Investigate there is some sort of bitflag related to joycons
+        INSERT_PADDING_BYTES(0x4);
+        INSERT_PADDING_BYTES(0xc08); // Unknown
     };
-    static_assert(sizeof(NPadEntry) == 0x5000, "NPadEntry is an invalid size");
+    static_assert(sizeof(NpadInternalState) == 0x5000, "NpadInternalState is an invalid size");
 
-    struct ControllerHolder {
-        NPadControllerType type;
-        bool is_connected;
+    struct VibrationData {
+        bool device_mounted{};
+        Core::HID::VibrationValue latest_vibration_value{};
+        std::chrono::steady_clock::time_point last_vibration_timepoint{};
     };
 
-    void InitNewlyAddedController(std::size_t controller_idx);
-    bool IsControllerSupported(NPadControllerType controller) const;
-    void RequestPadStateUpdate(u32 npad_id);
+    struct NpadControllerData {
+        Core::HID::EmulatedController* device;
+        Kernel::KEvent* styleset_changed_event{};
+        NpadInternalState shared_memory_entry{};
+
+        std::array<VibrationData, 2> vibration{};
+        bool unintended_home_button_input_protection{};
+        bool is_connected{};
+        Core::HID::NpadStyleIndex npad_type{Core::HID::NpadStyleIndex::None};
+
+        // Motion parameters
+        bool sixaxis_at_rest{true};
+        bool sixaxis_sensor_enabled{true};
+        bool sixaxis_fusion_enabled{false};
+        Core::HID::SixAxisSensorFusionParameters sixaxis_fusion{};
+        GyroscopeZeroDriftMode gyroscope_zero_drift_mode{GyroscopeZeroDriftMode::Standard};
+
+        // Current pad state
+        NPadGenericState npad_pad_state{};
+        NPadGenericState npad_libnx_state{};
+        NpadGcTriggerState npad_trigger_state{};
+        SixAxisSensorState sixaxis_fullkey_state{};
+        SixAxisSensorState sixaxis_handheld_state{};
+        SixAxisSensorState sixaxis_dual_left_state{};
+        SixAxisSensorState sixaxis_dual_right_state{};
+        SixAxisSensorState sixaxis_left_lifo_state{};
+        SixAxisSensorState sixaxis_right_lifo_state{};
+        int callback_key;
+    };
+
+    void ControllerUpdate(Core::HID::ControllerTriggerType type, std::size_t controller_idx);
+    void InitNewlyAddedController(Core::HID::NpadIdType npad_id);
+    bool IsControllerSupported(Core::HID::NpadStyleIndex controller) const;
+    void RequestPadStateUpdate(Core::HID::NpadIdType npad_id);
+    void WriteEmptyEntry(NpadInternalState& npad);
+
+    NpadControllerData& GetControllerFromHandle(
+        const Core::HID::SixAxisSensorHandle& device_handle);
+    const NpadControllerData& GetControllerFromHandle(
+        const Core::HID::SixAxisSensorHandle& device_handle) const;
+    NpadControllerData& GetControllerFromHandle(
+        const Core::HID::VibrationDeviceHandle& device_handle);
+    const NpadControllerData& GetControllerFromHandle(
+        const Core::HID::VibrationDeviceHandle& device_handle) const;
+    NpadControllerData& GetControllerFromNpadIdType(Core::HID::NpadIdType npad_id);
+    const NpadControllerData& GetControllerFromNpadIdType(Core::HID::NpadIdType npad_id) const;
 
     std::atomic<u32> press_state{};
 
-    NpadStyleSet style{};
-    std::array<NPadEntry, 10> shared_memory_entries{};
-    using ButtonArray = std::array<
-        std::array<std::unique_ptr<Input::ButtonDevice>, Settings::NativeButton::NUM_BUTTONS_HID>,
-        10>;
-    using StickArray = std::array<
-        std::array<std::unique_ptr<Input::AnalogDevice>, Settings::NativeAnalog::NUM_STICKS_HID>,
-        10>;
-    using VibrationArray = std::array<std::array<std::unique_ptr<Input::VibrationDevice>,
-                                                 Settings::NativeVibration::NUM_VIBRATIONS_HID>,
-                                      10>;
-    using MotionArray = std::array<
-        std::array<std::unique_ptr<Input::MotionDevice>, Settings::NativeMotion::NUM_MOTIONS_HID>,
-        10>;
-
+    std::array<NpadControllerData, 10> controller_data{};
     KernelHelpers::ServiceContext& service_context;
     std::mutex mutex;
-    ButtonArray buttons;
-    StickArray sticks;
-    VibrationArray vibrations;
-    MotionArray motions;
-    std::vector<u32> supported_npad_id_types{};
-    NpadHoldType hold_type{NpadHoldType::Vertical};
+    std::vector<Core::HID::NpadIdType> supported_npad_id_types{};
+    NpadJoyHoldType hold_type{NpadJoyHoldType::Vertical};
     NpadHandheldActivationMode handheld_activation_mode{NpadHandheldActivationMode::Dual};
     NpadCommunicationMode communication_mode{NpadCommunicationMode::Default};
-    // Each controller should have their own styleset changed event
-    std::array<Kernel::KEvent*, 10> styleset_changed_events{};
-    std::array<std::array<std::chrono::steady_clock::time_point, 2>, 10>
-        last_vibration_timepoints{};
-    std::array<std::array<VibrationValue, 2>, 10> latest_vibration_values{};
     bool permit_vibration_session_enabled{false};
-    std::array<std::array<bool, 2>, 10> vibration_devices_mounted{};
-    std::array<ControllerHolder, 10> connected_controllers{};
-    std::array<bool, 10> unintended_home_button_input_protection{};
     bool analog_stick_use_center_clamp{};
-    GyroscopeZeroDriftMode gyroscope_zero_drift_mode{GyroscopeZeroDriftMode::Standard};
-    bool sixaxis_sensors_enabled{true};
-    f32 sixaxis_fusion_parameter1{};
-    f32 sixaxis_fusion_parameter2{};
-    bool sixaxis_at_rest{true};
-    std::array<ControllerPad, 10> npad_pad_states{};
-    std::array<TriggerState, 10> npad_trigger_states{};
     bool is_in_lr_assignment_mode{false};
 };
 } // namespace Service::HID

src/core/hle/service/hid/controllers/stubbed.cpp

@@ -5,11 +5,12 @@
 #include <cstring>
 #include "common/common_types.h"
 #include "core/core_timing.h"
+#include "core/hid/hid_core.h"
 #include "core/hle/service/hid/controllers/stubbed.h"
 
 namespace Service::HID {
 
-Controller_Stubbed::Controller_Stubbed(Core::System& system_) : ControllerBase{system_} {}
+Controller_Stubbed::Controller_Stubbed(Core::HID::HIDCore& hid_core_) : ControllerBase{hid_core_} {}
 Controller_Stubbed::~Controller_Stubbed() = default;
 
 void Controller_Stubbed::OnInit() {}
@@ -31,10 +32,9 @@ void Controller_Stubbed::OnUpdate(const Core::Timing::CoreTiming& core_timing, u
     std::memcpy(data + common_offset, &header, sizeof(CommonHeader));
 }
 
-void Controller_Stubbed::OnLoadInputDevices() {}
-
 void Controller_Stubbed::SetCommonHeaderOffset(std::size_t off) {
     common_offset = off;
     smart_update = true;
 }
+
 } // namespace Service::HID

src/core/hle/service/hid/controllers/stubbed.h

@@ -10,7 +10,7 @@
 namespace Service::HID {
 class Controller_Stubbed final : public ControllerBase {
 public:
-    explicit Controller_Stubbed(Core::System& system_);
+    explicit Controller_Stubbed(Core::HID::HIDCore& hid_core_);
     ~Controller_Stubbed() override;
 
     // Called when the controller is initialized
@@ -22,12 +22,17 @@ public:
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
     void SetCommonHeaderOffset(std::size_t off);
 
 private:
+    struct CommonHeader {
+        s64 timestamp;
+        s64 total_entry_count;
+        s64 last_entry_index;
+        s64 entry_count;
+    };
+    static_assert(sizeof(CommonHeader) == 0x20, "CommonHeader is an invalid size");
+
     bool smart_update{};
     std::size_t common_offset{};
 };

src/core/hle/service/hid/controllers/touchscreen.cpp

@@ -7,72 +7,82 @@
 #include "common/common_types.h"
 #include "common/logging/log.h"
 #include "common/settings.h"
+#include "core/core.h"
 #include "core/core_timing.h"
 #include "core/frontend/emu_window.h"
-#include "core/frontend/input.h"
+#include "core/hid/emulated_console.h"
+#include "core/hid/hid_core.h"
 #include "core/hle/service/hid/controllers/touchscreen.h"
 
 namespace Service::HID {
 constexpr std::size_t SHARED_MEMORY_OFFSET = 0x400;
 
-Controller_Touchscreen::Controller_Touchscreen(Core::System& system_) : ControllerBase{system_} {}
+Controller_Touchscreen::Controller_Touchscreen(Core::HID::HIDCore& hid_core_)
+    : ControllerBase{hid_core_} {
+    console = hid_core.GetEmulatedConsole();
+}
+
 Controller_Touchscreen::~Controller_Touchscreen() = default;
 
-void Controller_Touchscreen::OnInit() {
-    for (std::size_t id = 0; id < MAX_FINGERS; ++id) {
-        mouse_finger_id[id] = MAX_FINGERS;
-        keyboard_finger_id[id] = MAX_FINGERS;
-        udp_finger_id[id] = MAX_FINGERS;
-    }
-}
+void Controller_Touchscreen::OnInit() {}
 
 void Controller_Touchscreen::OnRelease() {}
 
 void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                                       std::size_t size) {
-    shared_memory.header.timestamp = core_timing.GetCPUTicks();
-    shared_memory.header.total_entry_count = 17;
+    touch_screen_lifo.timestamp = core_timing.GetCPUTicks();
 
     if (!IsControllerActivated()) {
-        shared_memory.header.entry_count = 0;
-        shared_memory.header.last_entry_index = 0;
+        touch_screen_lifo.buffer_count = 0;
+        touch_screen_lifo.buffer_tail = 0;
+        std::memcpy(data, &touch_screen_lifo, sizeof(touch_screen_lifo));
         return;
     }
-    shared_memory.header.entry_count = 16;
 
-    const auto& last_entry =
-        shared_memory.shared_memory_entries[shared_memory.header.last_entry_index];
-    shared_memory.header.last_entry_index = (shared_memory.header.last_entry_index + 1) % 17;
-    auto& cur_entry = shared_memory.shared_memory_entries[shared_memory.header.last_entry_index];
+    const auto touch_status = console->GetTouch();
+    for (std::size_t id = 0; id < MAX_FINGERS; id++) {
+        const auto& current_touch = touch_status[id];
+        auto& finger = fingers[id];
+        finger.position = current_touch.position;
+        finger.id = current_touch.id;
 
-    cur_entry.sampling_number = last_entry.sampling_number + 1;
-    cur_entry.sampling_number2 = cur_entry.sampling_number;
+        if (finger.attribute.start_touch) {
+            finger.attribute.raw = 0;
+            continue;
+        }
 
-    const Input::TouchStatus& mouse_status = touch_mouse_device->GetStatus();
-    const Input::TouchStatus& udp_status = touch_udp_device->GetStatus();
-    for (std::size_t id = 0; id < mouse_status.size(); ++id) {
-        mouse_finger_id[id] = UpdateTouchInputEvent(mouse_status[id], mouse_finger_id[id]);
-        udp_finger_id[id] = UpdateTouchInputEvent(udp_status[id], udp_finger_id[id]);
-    }
+        if (finger.attribute.end_touch) {
+            finger.attribute.raw = 0;
+            finger.pressed = false;
+            continue;
+        }
 
-    if (Settings::values.use_touch_from_button) {
-        const Input::TouchStatus& keyboard_status = touch_btn_device->GetStatus();
-        for (std::size_t id = 0; id < mouse_status.size(); ++id) {
-            keyboard_finger_id[id] =
-                UpdateTouchInputEvent(keyboard_status[id], keyboard_finger_id[id]);
+        if (!finger.pressed && current_touch.pressed) {
+            finger.attribute.start_touch.Assign(1);
+            finger.pressed = true;
+            continue;
+        }
+
+        if (finger.pressed && !current_touch.pressed) {
+            finger.attribute.raw = 0;
+            finger.attribute.end_touch.Assign(1);
         }
     }
 
-    std::array<Finger, 16> active_fingers;
+    std::array<Core::HID::TouchFinger, MAX_FINGERS> active_fingers;
     const auto end_iter = std::copy_if(fingers.begin(), fingers.end(), active_fingers.begin(),
                                        [](const auto& finger) { return finger.pressed; });
     const auto active_fingers_count =
         static_cast<std::size_t>(std::distance(active_fingers.begin(), end_iter));
 
     const u64 tick = core_timing.GetCPUTicks();
-    cur_entry.entry_count = static_cast<s32_le>(active_fingers_count);
+    const auto& last_entry = touch_screen_lifo.ReadCurrentEntry().state;
+
+    next_state.sampling_number = last_entry.sampling_number + 1;
+    next_state.entry_count = static_cast<s32>(active_fingers_count);
+
     for (std::size_t id = 0; id < MAX_FINGERS; ++id) {
-        auto& touch_entry = cur_entry.states[id];
+        auto& touch_entry = next_state.states[id];
         if (id < active_fingers_count) {
             const auto& [active_x, active_y] = active_fingers[id].position;
             touch_entry.position = {
@@ -97,66 +107,9 @@ void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timin
             touch_entry.finger = 0;
         }
     }
-    std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(TouchScreenSharedMemory));
-}
 
-void Controller_Touchscreen::OnLoadInputDevices() {
-    touch_mouse_device = Input::CreateDevice<Input::TouchDevice>("engine:emu_window");
-    touch_udp_device = Input::CreateDevice<Input::TouchDevice>("engine:cemuhookudp");
-    touch_btn_device = Input::CreateDevice<Input::TouchDevice>("engine:touch_from_button");
-}
-
-std::optional<std::size_t> Controller_Touchscreen::GetUnusedFingerID() const {
-    // Dont assign any touch input to a finger if disabled
-    if (!Settings::values.touchscreen.enabled) {
-        return std::nullopt;
-    }
-    std::size_t first_free_id = 0;
-    while (first_free_id < MAX_FINGERS) {
-        if (!fingers[first_free_id].pressed) {
-            return first_free_id;
-        } else {
-            first_free_id++;
-        }
-    }
-    return std::nullopt;
-}
-
-std::size_t Controller_Touchscreen::UpdateTouchInputEvent(
-    const std::tuple<float, float, bool>& touch_input, std::size_t finger_id) {
-    const auto& [x, y, pressed] = touch_input;
-    if (finger_id > MAX_FINGERS) {
-        LOG_ERROR(Service_HID, "Invalid finger id {}", finger_id);
-        return MAX_FINGERS;
-    }
-    if (pressed) {
-        Attributes attribute{};
-        if (finger_id == MAX_FINGERS) {
-            const auto first_free_id = GetUnusedFingerID();
-            if (!first_free_id) {
-                // Invalid finger id do nothing
-                return MAX_FINGERS;
-            }
-            finger_id = first_free_id.value();
-            fingers[finger_id].pressed = true;
-            fingers[finger_id].id = static_cast<u32_le>(finger_id);
-            attribute.start_touch.Assign(1);
-        }
-        fingers[finger_id].position = {x, y};
-        fingers[finger_id].attribute = attribute;
-        return finger_id;
-    }
-
-    if (finger_id != MAX_FINGERS) {
-        if (!fingers[finger_id].attribute.end_touch) {
-            fingers[finger_id].attribute.end_touch.Assign(1);
-            fingers[finger_id].attribute.start_touch.Assign(0);
-            return finger_id;
-        }
-        fingers[finger_id].pressed = false;
-    }
-
-    return MAX_FINGERS;
+    touch_screen_lifo.WriteNextEntry(next_state);
+    std::memcpy(data + SHARED_MEMORY_OFFSET, &touch_screen_lifo, sizeof(touch_screen_lifo));
 }
 
 } // namespace Service::HID

src/core/hle/service/hid/controllers/touchscreen.h

@@ -9,18 +9,25 @@
 #include "common/common_types.h"
 #include "common/point.h"
 #include "common/swap.h"
-#include "core/frontend/input.h"
+#include "core/hid/hid_types.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
+#include "core/hle/service/hid/ring_lifo.h"
+
+namespace Core::HID {
+class EmulatedConsole;
+} // namespace Core::HID
 
 namespace Service::HID {
 class Controller_Touchscreen final : public ControllerBase {
 public:
+    // This is nn::hid::TouchScreenModeForNx
     enum class TouchScreenModeForNx : u8 {
         UseSystemSetting,
         Finger,
         Heat2,
     };
 
+    // This is nn::hid::TouchScreenConfigurationForNx
     struct TouchScreenConfigurationForNx {
         TouchScreenModeForNx mode;
         INSERT_PADDING_BYTES_NOINIT(0x7);
@@ -29,7 +36,7 @@ public:
     static_assert(sizeof(TouchScreenConfigurationForNx) == 0x17,
                   "TouchScreenConfigurationForNx is an invalid size");
 
-    explicit Controller_Touchscreen(Core::System& system_);
+    explicit Controller_Touchscreen(Core::HID::HIDCore& hid_core_);
     ~Controller_Touchscreen() override;
 
     // Called when the controller is initialized
@@ -41,73 +48,24 @@ public:
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
 private:
     static constexpr std::size_t MAX_FINGERS = 16;
 
-    // Returns an unused finger id, if there is no fingers available std::nullopt will be returned
-    std::optional<std::size_t> GetUnusedFingerID() const;
-
-    // If the touch is new it tries to assing a new finger id, if there is no fingers avaliable no
-    // changes will be made. Updates the coordinates if the finger id it's already set. If the touch
-    // ends delays the output by one frame to set the end_touch flag before finally freeing the
-    // finger id
-    std::size_t UpdateTouchInputEvent(const std::tuple<float, float, bool>& touch_input,
-                                      std::size_t finger_id);
-
-    struct Attributes {
-        union {
-            u32 raw{};
-            BitField<0, 1, u32> start_touch;
-            BitField<1, 1, u32> end_touch;
-        };
+    // This is nn::hid::TouchScreenState
+    struct TouchScreenState {
+        s64 sampling_number;
+        s32 entry_count;
+        INSERT_PADDING_BYTES(4); // Reserved
+        std::array<Core::HID::TouchState, MAX_FINGERS> states;
     };
-    static_assert(sizeof(Attributes) == 0x4, "Attributes is an invalid size");
+    static_assert(sizeof(TouchScreenState) == 0x290, "TouchScreenState is an invalid size");
 
-    struct TouchState {
-        u64_le delta_time;
-        Attributes attribute;
-        u32_le finger;
-        Common::Point<u32_le> position;
-        u32_le diameter_x;
-        u32_le diameter_y;
-        u32_le rotation_angle;
-    };
-    static_assert(sizeof(TouchState) == 0x28, "Touchstate is an invalid size");
+    // This is nn::hid::detail::TouchScreenLifo
+    Lifo<TouchScreenState, hid_entry_count> touch_screen_lifo{};
+    static_assert(sizeof(touch_screen_lifo) == 0x2C38, "touch_screen_lifo is an invalid size");
+    TouchScreenState next_state{};
 
-    struct TouchScreenEntry {
-        s64_le sampling_number;
-        s64_le sampling_number2;
-        s32_le entry_count;
-        std::array<TouchState, MAX_FINGERS> states;
-    };
-    static_assert(sizeof(TouchScreenEntry) == 0x298, "TouchScreenEntry is an invalid size");
-
-    struct TouchScreenSharedMemory {
-        CommonHeader header;
-        std::array<TouchScreenEntry, 17> shared_memory_entries{};
-        INSERT_PADDING_BYTES(0x3c8);
-    };
-    static_assert(sizeof(TouchScreenSharedMemory) == 0x3000,
-                  "TouchScreenSharedMemory is an invalid size");
-
-    struct Finger {
-        u64_le last_touch{};
-        Common::Point<float> position;
-        u32_le id{};
-        bool pressed{};
-        Attributes attribute;
-    };
-
-    TouchScreenSharedMemory shared_memory{};
-    std::unique_ptr<Input::TouchDevice> touch_mouse_device;
-    std::unique_ptr<Input::TouchDevice> touch_udp_device;
-    std::unique_ptr<Input::TouchDevice> touch_btn_device;
-    std::array<std::size_t, MAX_FINGERS> mouse_finger_id;
-    std::array<std::size_t, MAX_FINGERS> keyboard_finger_id;
-    std::array<std::size_t, MAX_FINGERS> udp_finger_id;
-    std::array<Finger, MAX_FINGERS> fingers;
+    std::array<Core::HID::TouchFinger, MAX_FINGERS> fingers;
+    Core::HID::EmulatedConsole* console;
 };
 } // namespace Service::HID

src/core/hle/service/hid/controllers/xpad.cpp

@@ -5,12 +5,13 @@
 #include <cstring>
 #include "common/common_types.h"
 #include "core/core_timing.h"
+#include "core/hid/hid_core.h"
 #include "core/hle/service/hid/controllers/xpad.h"
 
 namespace Service::HID {
 constexpr std::size_t SHARED_MEMORY_OFFSET = 0x3C00;
 
-Controller_XPad::Controller_XPad(Core::System& system_) : ControllerBase{system_} {}
+Controller_XPad::Controller_XPad(Core::HID::HIDCore& hid_core_) : ControllerBase{hid_core_} {}
 Controller_XPad::~Controller_XPad() = default;
 
 void Controller_XPad::OnInit() {}
@@ -19,28 +20,19 @@ void Controller_XPad::OnRelease() {}
 
 void Controller_XPad::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                                std::size_t size) {
-    for (auto& xpad_entry : shared_memory.shared_memory_entries) {
-        xpad_entry.header.timestamp = core_timing.GetCPUTicks();
-        xpad_entry.header.total_entry_count = 17;
-
-        if (!IsControllerActivated()) {
-            xpad_entry.header.entry_count = 0;
-            xpad_entry.header.last_entry_index = 0;
-            return;
-        }
-        xpad_entry.header.entry_count = 16;
-
-        const auto& last_entry = xpad_entry.pad_states[xpad_entry.header.last_entry_index];
-        xpad_entry.header.last_entry_index = (xpad_entry.header.last_entry_index + 1) % 17;
-        auto& cur_entry = xpad_entry.pad_states[xpad_entry.header.last_entry_index];
-
-        cur_entry.sampling_number = last_entry.sampling_number + 1;
-        cur_entry.sampling_number2 = cur_entry.sampling_number;
+    if (!IsControllerActivated()) {
+        basic_xpad_lifo.buffer_count = 0;
+        basic_xpad_lifo.buffer_tail = 0;
+        std::memcpy(data + SHARED_MEMORY_OFFSET, &basic_xpad_lifo, sizeof(basic_xpad_lifo));
+        return;
     }
+
+    const auto& last_entry = basic_xpad_lifo.ReadCurrentEntry().state;
+    next_state.sampling_number = last_entry.sampling_number + 1;
     // TODO(ogniK): Update xpad states
 
-    std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(SharedMemory));
+    basic_xpad_lifo.WriteNextEntry(next_state);
+    std::memcpy(data + SHARED_MEMORY_OFFSET, &basic_xpad_lifo, sizeof(basic_xpad_lifo));
 }
 
-void Controller_XPad::OnLoadInputDevices() {}
 } // namespace Service::HID

src/core/hle/service/hid/controllers/xpad.h

@@ -8,12 +8,14 @@
 #include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "common/swap.h"
+#include "core/hid/hid_types.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
+#include "core/hle/service/hid/ring_lifo.h"
 
 namespace Service::HID {
 class Controller_XPad final : public ControllerBase {
 public:
-    explicit Controller_XPad(Core::System& system_);
+    explicit Controller_XPad(Core::HID::HIDCore& hid_core_);
     ~Controller_XPad() override;
 
     // Called when the controller is initialized
@@ -25,13 +27,11 @@ public:
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
 private:
-    struct Attributes {
+    // This is nn::hid::BasicXpadAttributeSet
+    struct BasicXpadAttributeSet {
         union {
-            u32_le raw{};
+            u32 raw{};
             BitField<0, 1, u32> is_connected;
             BitField<1, 1, u32> is_wired;
             BitField<2, 1, u32> is_left_connected;
@@ -40,11 +40,12 @@ private:
             BitField<5, 1, u32> is_right_wired;
         };
     };
-    static_assert(sizeof(Attributes) == 4, "Attributes is an invalid size");
+    static_assert(sizeof(BasicXpadAttributeSet) == 4, "BasicXpadAttributeSet is an invalid size");
 
-    struct Buttons {
+    // This is nn::hid::BasicXpadButtonSet
+    struct BasicXpadButtonSet {
         union {
-            u32_le raw{};
+            u32 raw{};
             // Button states
             BitField<0, 1, u32> a;
             BitField<1, 1, u32> b;
@@ -88,35 +89,21 @@ private:
             BitField<30, 1, u32> handheld_left_b;
         };
     };
-    static_assert(sizeof(Buttons) == 4, "Buttons is an invalid size");
+    static_assert(sizeof(BasicXpadButtonSet) == 4, "BasicXpadButtonSet is an invalid size");
 
-    struct AnalogStick {
-        s32_le x;
-        s32_le y;
+    // This is nn::hid::detail::BasicXpadState
+    struct BasicXpadState {
+        s64 sampling_number;
+        BasicXpadAttributeSet attributes;
+        BasicXpadButtonSet pad_states;
+        Core::HID::AnalogStickState l_stick;
+        Core::HID::AnalogStickState r_stick;
     };
-    static_assert(sizeof(AnalogStick) == 0x8, "AnalogStick is an invalid size");
+    static_assert(sizeof(BasicXpadState) == 0x20, "BasicXpadState is an invalid size");
 
-    struct XPadState {
-        s64_le sampling_number;
-        s64_le sampling_number2;
-        Attributes attributes;
-        Buttons pad_states;
-        AnalogStick l_stick;
-        AnalogStick r_stick;
-    };
-    static_assert(sizeof(XPadState) == 0x28, "XPadState is an invalid size");
-
-    struct XPadEntry {
-        CommonHeader header;
-        std::array<XPadState, 17> pad_states{};
-        INSERT_PADDING_BYTES(0x138);
-    };
-    static_assert(sizeof(XPadEntry) == 0x400, "XPadEntry is an invalid size");
-
-    struct SharedMemory {
-        std::array<XPadEntry, 4> shared_memory_entries{};
-    };
-    static_assert(sizeof(SharedMemory) == 0x1000, "SharedMemory is an invalid size");
-    SharedMemory shared_memory{};
+    // This is nn::hid::detail::BasicXpadLifo
+    Lifo<BasicXpadState, hid_entry_count> basic_xpad_lifo{};
+    static_assert(sizeof(basic_xpad_lifo) == 0x2C8, "basic_xpad_lifo is an invalid size");
+    BasicXpadState next_state{};
 };
 } // namespace Service::HID

src/core/hle/service/hid/hid.cpp

@@ -8,7 +8,7 @@
 #include "common/settings.h"
 #include "core/core.h"
 #include "core/core_timing.h"
-#include "core/frontend/input.h"
+#include "core/hid/hid_core.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/k_readable_event.h"
 #include "core/hle/kernel/k_shared_memory.h"
@@ -34,10 +34,10 @@
 namespace Service::HID {
 
 // Updating period for each HID device.
-// HID is polled every 15ms, this value was derived from
-// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering#joy-con-status-data-packet
-constexpr auto pad_update_ns = std::chrono::nanoseconds{1000 * 1000};         // (1ms, 1000Hz)
-constexpr auto motion_update_ns = std::chrono::nanoseconds{15 * 1000 * 1000}; // (15ms, 66.666Hz)
+// Period time is obtained by measuring the number of samples in a second on HW using a homebrew
+constexpr auto pad_update_ns = std::chrono::nanoseconds{4 * 1000 * 1000};            // (4ms, 250Hz)
+constexpr auto mouse_keyboard_update_ns = std::chrono::nanoseconds{8 * 1000 * 1000}; // (8ms, 125Hz)
+constexpr auto motion_update_ns = std::chrono::nanoseconds{5 * 1000 * 1000};         // (5ms, 200Hz)
 constexpr std::size_t SHARED_MEMORY_SIZE = 0x40000;
 
 IAppletResource::IAppletResource(Core::System& system_,
@@ -79,17 +79,24 @@ IAppletResource::IAppletResource(Core::System& system_,
             const auto guard = LockService();
             UpdateControllers(user_data, ns_late);
         });
+    mouse_keyboard_update_event = Core::Timing::CreateEvent(
+        "HID::UpdateMouseKeyboardCallback",
+        [this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
+            const auto guard = LockService();
+            UpdateMouseKeyboard(user_data, ns_late);
+        });
     motion_update_event = Core::Timing::CreateEvent(
-        "HID::MotionPadCallback",
+        "HID::UpdateMotionCallback",
         [this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
             const auto guard = LockService();
             UpdateMotion(user_data, ns_late);
         });
 
     system.CoreTiming().ScheduleEvent(pad_update_ns, pad_update_event);
+    system.CoreTiming().ScheduleEvent(mouse_keyboard_update_ns, mouse_keyboard_update_event);
     system.CoreTiming().ScheduleEvent(motion_update_ns, motion_update_event);
 
-    ReloadInputDevices();
+    system.HIDCore().ReloadInputDevices();
 }
 
 void IAppletResource::ActivateController(HidController controller) {
@@ -102,6 +109,7 @@ void IAppletResource::DeactivateController(HidController controller) {
 
 IAppletResource::~IAppletResource() {
     system.CoreTiming().UnscheduleEvent(pad_update_event, 0);
+    system.CoreTiming().UnscheduleEvent(mouse_keyboard_update_event, 0);
     system.CoreTiming().UnscheduleEvent(motion_update_event, 0);
 }
 
@@ -117,23 +125,44 @@ void IAppletResource::UpdateControllers(std::uintptr_t user_data,
                                         std::chrono::nanoseconds ns_late) {
     auto& core_timing = system.CoreTiming();
 
-    const bool should_reload = Settings::values.is_device_reload_pending.exchange(false);
     for (const auto& controller : controllers) {
-        if (should_reload) {
-            controller->OnLoadInputDevices();
+        // Keyboard has it's own update event
+        if (controller == controllers[static_cast<size_t>(HidController::Keyboard)]) {
+            continue;
+        }
+        // Mouse has it's own update event
+        if (controller == controllers[static_cast<size_t>(HidController::Mouse)]) {
+            continue;
         }
         controller->OnUpdate(core_timing, system.Kernel().GetHidSharedMem().GetPointer(),
                              SHARED_MEMORY_SIZE);
     }
 
     // If ns_late is higher than the update rate ignore the delay
-    if (ns_late > motion_update_ns) {
+    if (ns_late > pad_update_ns) {
         ns_late = {};
     }
 
     core_timing.ScheduleEvent(pad_update_ns - ns_late, pad_update_event);
 }
 
+void IAppletResource::UpdateMouseKeyboard(std::uintptr_t user_data,
+                                          std::chrono::nanoseconds ns_late) {
+    auto& core_timing = system.CoreTiming();
+
+    controllers[static_cast<size_t>(HidController::Mouse)]->OnUpdate(
+        core_timing, system.Kernel().GetHidSharedMem().GetPointer(), SHARED_MEMORY_SIZE);
+    controllers[static_cast<size_t>(HidController::Keyboard)]->OnUpdate(
+        core_timing, system.Kernel().GetHidSharedMem().GetPointer(), SHARED_MEMORY_SIZE);
+
+    // If ns_late is higher than the update rate ignore the delay
+    if (ns_late > mouse_keyboard_update_ns) {
+        ns_late = {};
+    }
+
+    core_timing.ScheduleEvent(mouse_keyboard_update_ns - ns_late, mouse_keyboard_update_event);
+}
+
 void IAppletResource::UpdateMotion(std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
     auto& core_timing = system.CoreTiming();
 
@@ -166,7 +195,7 @@ public:
 private:
     void InitializeVibrationDevice(Kernel::HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx};
-        const auto vibration_device_handle{rp.PopRaw<Controller_NPad::DeviceHandle>()};
+        const auto vibration_device_handle{rp.PopRaw<Core::HID::VibrationDeviceHandle>()};
 
         if (applet_resource != nullptr) {
             applet_resource->GetController<Controller_NPad>(HidController::NPad)
@@ -422,6 +451,7 @@ void Hid::ActivateXpad(Kernel::HLERequestContext& ctx) {
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
@@ -448,19 +478,18 @@ void Hid::GetXpadIDs(Kernel::HLERequestContext& ctx) {
 void Hid::ActivateSixAxisSensor(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle sixaxis_handle;
+        u32 basic_xpad_id;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
-    applet_resource->GetController<Controller_NPad>(HidController::NPad).SetSixAxisEnabled(true);
+    // This function does nothing on 10.0.0+
 
-    LOG_DEBUG(Service_HID,
-              "called, npad_type={}, npad_id={}, device_index={}, applet_resource_user_id={}",
-              parameters.sixaxis_handle.npad_type, parameters.sixaxis_handle.npad_id,
-              parameters.sixaxis_handle.device_index, parameters.applet_resource_user_id);
+    LOG_WARNING(Service_HID, "(STUBBED) called, basic_xpad_id={}, applet_resource_user_id={}",
+                parameters.basic_xpad_id, parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
@@ -469,19 +498,18 @@ void Hid::ActivateSixAxisSensor(Kernel::HLERequestContext& ctx) {
 void Hid::DeactivateSixAxisSensor(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle sixaxis_handle;
+        u32 basic_xpad_id;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
-    applet_resource->GetController<Controller_NPad>(HidController::NPad).SetSixAxisEnabled(false);
+    // This function does nothing on 10.0.0+
 
-    LOG_DEBUG(Service_HID,
-              "called, npad_type={}, npad_id={}, device_index={}, applet_resource_user_id={}",
-              parameters.sixaxis_handle.npad_type, parameters.sixaxis_handle.npad_id,
-              parameters.sixaxis_handle.device_index, parameters.applet_resource_user_id);
+    LOG_WARNING(Service_HID, "(STUBBED) called, basic_xpad_id={}, applet_resource_user_id={}",
+                parameters.basic_xpad_id, parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
@@ -490,14 +518,16 @@ void Hid::DeactivateSixAxisSensor(Kernel::HLERequestContext& ctx) {
 void Hid::StartSixAxisSensor(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle sixaxis_handle;
+        Core::HID::SixAxisSensorHandle sixaxis_handle;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
-    applet_resource->GetController<Controller_NPad>(HidController::NPad).SetSixAxisEnabled(true);
+    applet_resource->GetController<Controller_NPad>(HidController::NPad)
+        .SetSixAxisEnabled(parameters.sixaxis_handle, true);
 
     LOG_DEBUG(Service_HID,
               "called, npad_type={}, npad_id={}, device_index={}, applet_resource_user_id={}",
@@ -511,14 +541,16 @@ void Hid::StartSixAxisSensor(Kernel::HLERequestContext& ctx) {
 void Hid::StopSixAxisSensor(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle sixaxis_handle;
+        Core::HID::SixAxisSensorHandle sixaxis_handle;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
-    applet_resource->GetController<Controller_NPad>(HidController::NPad).SetSixAxisEnabled(false);
+    applet_resource->GetController<Controller_NPad>(HidController::NPad)
+        .SetSixAxisEnabled(parameters.sixaxis_handle, false);
 
     LOG_DEBUG(Service_HID,
               "called, npad_type={}, npad_id={}, device_index={}, applet_resource_user_id={}",
@@ -534,19 +566,23 @@ void Hid::EnableSixAxisSensorFusion(Kernel::HLERequestContext& ctx) {
     struct Parameters {
         bool enable_sixaxis_sensor_fusion;
         INSERT_PADDING_BYTES_NOINIT(3);
-        Controller_NPad::DeviceHandle sixaxis_handle;
+        Core::HID::SixAxisSensorHandle sixaxis_handle;
         u64 applet_resource_user_id;
     };
     static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
-    LOG_WARNING(Service_HID,
-                "(STUBBED) called, enable_sixaxis_sensor_fusion={}, npad_type={}, npad_id={}, "
-                "device_index={}, applet_resource_user_id={}",
-                parameters.enable_sixaxis_sensor_fusion, parameters.sixaxis_handle.npad_type,
-                parameters.sixaxis_handle.npad_id, parameters.sixaxis_handle.device_index,
-                parameters.applet_resource_user_id);
+    applet_resource->GetController<Controller_NPad>(HidController::NPad)
+        .SetSixAxisFusionEnabled(parameters.sixaxis_handle,
+                                 parameters.enable_sixaxis_sensor_fusion);
+
+    LOG_DEBUG(Service_HID,
+              "called, enable_sixaxis_sensor_fusion={}, npad_type={}, npad_id={}, "
+              "device_index={}, applet_resource_user_id={}",
+              parameters.enable_sixaxis_sensor_fusion, parameters.sixaxis_handle.npad_type,
+              parameters.sixaxis_handle.npad_id, parameters.sixaxis_handle.device_index,
+              parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
@@ -555,9 +591,9 @@ void Hid::EnableSixAxisSensorFusion(Kernel::HLERequestContext& ctx) {
 void Hid::SetSixAxisSensorFusionParameters(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle sixaxis_handle;
-        f32 parameter1;
-        f32 parameter2;
+        Core::HID::SixAxisSensorHandle sixaxis_handle;
+        Core::HID::SixAxisSensorFusionParameters sixaxis_fusion;
+        INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
     static_assert(sizeof(Parameters) == 0x18, "Parameters has incorrect size.");
@@ -565,14 +601,14 @@ void Hid::SetSixAxisSensorFusionParameters(Kernel::HLERequestContext& ctx) {
     const auto parameters{rp.PopRaw<Parameters>()};
 
     applet_resource->GetController<Controller_NPad>(HidController::NPad)
-        .SetSixAxisFusionParameters(parameters.parameter1, parameters.parameter2);
+        .SetSixAxisFusionParameters(parameters.sixaxis_handle, parameters.sixaxis_fusion);
 
-    LOG_WARNING(Service_HID,
-                "(STUBBED) called, npad_type={}, npad_id={}, device_index={}, parameter1={}, "
-                "parameter2={}, applet_resource_user_id={}",
-                parameters.sixaxis_handle.npad_type, parameters.sixaxis_handle.npad_id,
-                parameters.sixaxis_handle.device_index, parameters.parameter1,
-                parameters.parameter2, parameters.applet_resource_user_id);
+    LOG_DEBUG(Service_HID,
+              "called, npad_type={}, npad_id={}, device_index={}, parameter1={}, "
+              "parameter2={}, applet_resource_user_id={}",
+              parameters.sixaxis_handle.npad_type, parameters.sixaxis_handle.npad_id,
+              parameters.sixaxis_handle.device_index, parameters.sixaxis_fusion.parameter1,
+              parameters.sixaxis_fusion.parameter2, parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
@@ -581,35 +617,33 @@ void Hid::SetSixAxisSensorFusionParameters(Kernel::HLERequestContext& ctx) {
 void Hid::GetSixAxisSensorFusionParameters(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle sixaxis_handle;
+        Core::HID::SixAxisSensorHandle sixaxis_handle;
+        INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
     static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
-    f32 parameter1 = 0;
-    f32 parameter2 = 0;
     const auto parameters{rp.PopRaw<Parameters>()};
 
-    std::tie(parameter1, parameter2) =
+    const auto sixaxis_fusion_parameters =
         applet_resource->GetController<Controller_NPad>(HidController::NPad)
-            .GetSixAxisFusionParameters();
+            .GetSixAxisFusionParameters(parameters.sixaxis_handle);
 
-    LOG_WARNING(
-        Service_HID,
-        "(STUBBED) called, npad_type={}, npad_id={}, device_index={}, applet_resource_user_id={}",
-        parameters.sixaxis_handle.npad_type, parameters.sixaxis_handle.npad_id,
-        parameters.sixaxis_handle.device_index, parameters.applet_resource_user_id);
+    LOG_DEBUG(Service_HID,
+              "called, npad_type={}, npad_id={}, device_index={}, applet_resource_user_id={}",
+              parameters.sixaxis_handle.npad_type, parameters.sixaxis_handle.npad_id,
+              parameters.sixaxis_handle.device_index, parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 4};
     rb.Push(ResultSuccess);
-    rb.Push(parameter1);
-    rb.Push(parameter2);
+    rb.PushRaw(sixaxis_fusion_parameters);
 }
 
 void Hid::ResetSixAxisSensorFusionParameters(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle sixaxis_handle;
+        Core::HID::SixAxisSensorHandle sixaxis_handle;
+        INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
     static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
@@ -617,13 +651,12 @@ void Hid::ResetSixAxisSensorFusionParameters(Kernel::HLERequestContext& ctx) {
     const auto parameters{rp.PopRaw<Parameters>()};
 
     applet_resource->GetController<Controller_NPad>(HidController::NPad)
-        .ResetSixAxisFusionParameters();
+        .ResetSixAxisFusionParameters(parameters.sixaxis_handle);
 
-    LOG_WARNING(
-        Service_HID,
-        "(STUBBED) called, npad_type={}, npad_id={}, device_index={}, applet_resource_user_id={}",
-        parameters.sixaxis_handle.npad_type, parameters.sixaxis_handle.npad_id,
-        parameters.sixaxis_handle.device_index, parameters.applet_resource_user_id);
+    LOG_DEBUG(Service_HID,
+              "called, npad_type={}, npad_id={}, device_index={}, applet_resource_user_id={}",
+              parameters.sixaxis_handle.npad_type, parameters.sixaxis_handle.npad_id,
+              parameters.sixaxis_handle.device_index, parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
@@ -631,12 +664,12 @@ void Hid::ResetSixAxisSensorFusionParameters(Kernel::HLERequestContext& ctx) {
 
 void Hid::SetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
-    const auto sixaxis_handle{rp.PopRaw<Controller_NPad::DeviceHandle>()};
+    const auto sixaxis_handle{rp.PopRaw<Core::HID::SixAxisSensorHandle>()};
     const auto drift_mode{rp.PopEnum<Controller_NPad::GyroscopeZeroDriftMode>()};
     const auto applet_resource_user_id{rp.Pop<u64>()};
 
     applet_resource->GetController<Controller_NPad>(HidController::NPad)
-        .SetGyroscopeZeroDriftMode(drift_mode);
+        .SetGyroscopeZeroDriftMode(sixaxis_handle, drift_mode);
 
     LOG_DEBUG(Service_HID,
               "called, npad_type={}, npad_id={}, device_index={}, drift_mode={}, "
@@ -651,10 +684,11 @@ void Hid::SetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx) {
 void Hid::GetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle sixaxis_handle;
+        Core::HID::SixAxisSensorHandle sixaxis_handle;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
@@ -666,21 +700,23 @@ void Hid::GetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx) {
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(ResultSuccess);
     rb.PushEnum(applet_resource->GetController<Controller_NPad>(HidController::NPad)
-                    .GetGyroscopeZeroDriftMode());
+                    .GetGyroscopeZeroDriftMode(parameters.sixaxis_handle));
 }
 
 void Hid::ResetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle sixaxis_handle;
+        Core::HID::SixAxisSensorHandle sixaxis_handle;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
+    const auto drift_mode{Controller_NPad::GyroscopeZeroDriftMode::Standard};
 
     applet_resource->GetController<Controller_NPad>(HidController::NPad)
-        .SetGyroscopeZeroDriftMode(Controller_NPad::GyroscopeZeroDriftMode::Standard);
+        .SetGyroscopeZeroDriftMode(parameters.sixaxis_handle, drift_mode);
 
     LOG_DEBUG(Service_HID,
               "called, npad_type={}, npad_id={}, device_index={}, applet_resource_user_id={}",
@@ -694,10 +730,11 @@ void Hid::ResetGyroscopeZeroDriftMode(Kernel::HLERequestContext& ctx) {
 void Hid::IsSixAxisSensorAtRest(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle sixaxis_handle;
+        Core::HID::SixAxisSensorHandle sixaxis_handle;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
@@ -709,16 +746,17 @@ void Hid::IsSixAxisSensorAtRest(Kernel::HLERequestContext& ctx) {
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(ResultSuccess);
     rb.Push(applet_resource->GetController<Controller_NPad>(HidController::NPad)
-                .IsSixAxisSensorAtRest());
+                .IsSixAxisSensorAtRest(parameters.sixaxis_handle));
 }
 
 void Hid::IsFirmwareUpdateAvailableForSixAxisSensor(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle sixaxis_handle;
+        Core::HID::SixAxisSensorHandle sixaxis_handle;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
@@ -740,13 +778,14 @@ void Hid::ActivateGesture(Kernel::HLERequestContext& ctx) {
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
     applet_resource->ActivateController(HidController::Gesture);
 
-    LOG_DEBUG(Service_HID, "called, unknown={}, applet_resource_user_id={}", parameters.unknown,
-              parameters.applet_resource_user_id);
+    LOG_WARNING(Service_HID, "(STUBBED) called, unknown={}, applet_resource_user_id={}",
+                parameters.unknown, parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
@@ -754,12 +793,20 @@ void Hid::ActivateGesture(Kernel::HLERequestContext& ctx) {
 
 void Hid::SetSupportedNpadStyleSet(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
-    const auto supported_styleset{rp.Pop<u32>()};
+    struct Parameters {
+        Core::HID::NpadStyleSet supported_styleset;
+        INSERT_PADDING_WORDS_NOINIT(1);
+        u64 applet_resource_user_id;
+    };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
+
+    const auto parameters{rp.PopRaw<Parameters>()};
 
     applet_resource->GetController<Controller_NPad>(HidController::NPad)
-        .SetSupportedStyleSet({supported_styleset});
+        .SetSupportedStyleSet({parameters.supported_styleset});
 
-    LOG_DEBUG(Service_HID, "called, supported_styleset={}", supported_styleset);
+    LOG_DEBUG(Service_HID, "called, supported_styleset={}, applet_resource_user_id={}",
+              parameters.supported_styleset, parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
@@ -773,9 +820,9 @@ void Hid::GetSupportedNpadStyleSet(Kernel::HLERequestContext& ctx) {
 
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(ResultSuccess);
-    rb.Push(applet_resource->GetController<Controller_NPad>(HidController::NPad)
-                .GetSupportedStyleSet()
-                .raw);
+    rb.PushEnum(applet_resource->GetController<Controller_NPad>(HidController::NPad)
+                    .GetSupportedStyleSet()
+                    .raw);
 }
 
 void Hid::SetSupportedNpadIdType(Kernel::HLERequestContext& ctx) {
@@ -818,11 +865,12 @@ void Hid::DeactivateNpad(Kernel::HLERequestContext& ctx) {
 void Hid::AcquireNpadStyleSetUpdateEventHandle(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        u32 npad_id;
+        Core::HID::NpadIdType npad_id;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
         u64 unknown;
     };
+    static_assert(sizeof(Parameters) == 0x18, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
@@ -838,10 +886,11 @@ void Hid::AcquireNpadStyleSetUpdateEventHandle(Kernel::HLERequestContext& ctx) {
 void Hid::DisconnectNpad(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        u32 npad_id;
+        Core::HID::NpadIdType npad_id;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
@@ -857,7 +906,7 @@ void Hid::DisconnectNpad(Kernel::HLERequestContext& ctx) {
 
 void Hid::GetPlayerLedPattern(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
-    const auto npad_id{rp.Pop<u32>()};
+    const auto npad_id{rp.PopEnum<Core::HID::NpadIdType>()};
 
     LOG_DEBUG(Service_HID, "called, npad_id={}", npad_id);
 
@@ -872,16 +921,17 @@ void Hid::ActivateNpadWithRevision(Kernel::HLERequestContext& ctx) {
     // Should have no effect with how our npad sets up the data
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        u32 unknown;
+        s32 revision;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
     applet_resource->ActivateController(HidController::NPad);
 
-    LOG_DEBUG(Service_HID, "called, unknown={}, applet_resource_user_id={}", parameters.unknown,
+    LOG_DEBUG(Service_HID, "called, revision={}, applet_resource_user_id={}", parameters.revision,
               parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
@@ -891,7 +941,7 @@ void Hid::ActivateNpadWithRevision(Kernel::HLERequestContext& ctx) {
 void Hid::SetNpadJoyHoldType(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto applet_resource_user_id{rp.Pop<u64>()};
-    const auto hold_type{rp.PopEnum<Controller_NPad::NpadHoldType>()};
+    const auto hold_type{rp.PopEnum<Controller_NPad::NpadJoyHoldType>()};
 
     applet_resource->GetController<Controller_NPad>(HidController::NPad).SetHoldType(hold_type);
 
@@ -916,15 +966,16 @@ void Hid::GetNpadJoyHoldType(Kernel::HLERequestContext& ctx) {
 void Hid::SetNpadJoyAssignmentModeSingleByDefault(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        u32 npad_id;
+        Core::HID::NpadIdType npad_id;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
     applet_resource->GetController<Controller_NPad>(HidController::NPad)
-        .SetNpadMode(parameters.npad_id, Controller_NPad::NpadAssignments::Single);
+        .SetNpadMode(parameters.npad_id, Controller_NPad::NpadJoyAssignmentMode::Single);
 
     LOG_WARNING(Service_HID, "(STUBBED) called, npad_id={}, applet_resource_user_id={}",
                 parameters.npad_id, parameters.applet_resource_user_id);
@@ -937,16 +988,17 @@ void Hid::SetNpadJoyAssignmentModeSingle(Kernel::HLERequestContext& ctx) {
     // TODO: Check the differences between this and SetNpadJoyAssignmentModeSingleByDefault
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        u32 npad_id;
+        Core::HID::NpadIdType npad_id;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
         u64 npad_joy_device_type;
     };
+    static_assert(sizeof(Parameters) == 0x18, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
     applet_resource->GetController<Controller_NPad>(HidController::NPad)
-        .SetNpadMode(parameters.npad_id, Controller_NPad::NpadAssignments::Single);
+        .SetNpadMode(parameters.npad_id, Controller_NPad::NpadJoyAssignmentMode::Single);
 
     LOG_WARNING(Service_HID,
                 "(STUBBED) called, npad_id={}, applet_resource_user_id={}, npad_joy_device_type={}",
@@ -960,15 +1012,16 @@ void Hid::SetNpadJoyAssignmentModeSingle(Kernel::HLERequestContext& ctx) {
 void Hid::SetNpadJoyAssignmentModeDual(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        u32 npad_id;
+        Core::HID::NpadIdType npad_id;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
     applet_resource->GetController<Controller_NPad>(HidController::NPad)
-        .SetNpadMode(parameters.npad_id, Controller_NPad::NpadAssignments::Dual);
+        .SetNpadMode(parameters.npad_id, Controller_NPad::NpadJoyAssignmentMode::Dual);
 
     LOG_WARNING(Service_HID, "(STUBBED) called, npad_id={}, applet_resource_user_id={}",
                 parameters.npad_id, parameters.applet_resource_user_id);
@@ -979,8 +1032,8 @@ void Hid::SetNpadJoyAssignmentModeDual(Kernel::HLERequestContext& ctx) {
 
 void Hid::MergeSingleJoyAsDualJoy(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
-    const auto npad_id_1{rp.Pop<u32>()};
-    const auto npad_id_2{rp.Pop<u32>()};
+    const auto npad_id_1{rp.PopEnum<Core::HID::NpadIdType>()};
+    const auto npad_id_2{rp.PopEnum<Core::HID::NpadIdType>()};
     const auto applet_resource_user_id{rp.Pop<u64>()};
 
     applet_resource->GetController<Controller_NPad>(HidController::NPad)
@@ -1046,8 +1099,8 @@ void Hid::GetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx) {
 
 void Hid::SwapNpadAssignment(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
-    const auto npad_id_1{rp.Pop<u32>()};
-    const auto npad_id_2{rp.Pop<u32>()};
+    const auto npad_id_1{rp.PopEnum<Core::HID::NpadIdType>()};
+    const auto npad_id_2{rp.PopEnum<Core::HID::NpadIdType>()};
     const auto applet_resource_user_id{rp.Pop<u64>()};
 
     const bool res = applet_resource->GetController<Controller_NPad>(HidController::NPad)
@@ -1068,10 +1121,11 @@ void Hid::SwapNpadAssignment(Kernel::HLERequestContext& ctx) {
 void Hid::IsUnintendedHomeButtonInputProtectionEnabled(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        u32 npad_id;
+        Core::HID::NpadIdType npad_id;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
@@ -1089,9 +1143,10 @@ void Hid::EnableUnintendedHomeButtonInputProtection(Kernel::HLERequestContext& c
     struct Parameters {
         bool unintended_home_button_input_protection;
         INSERT_PADDING_BYTES_NOINIT(3);
-        u32 npad_id;
+        Core::HID::NpadIdType npad_id;
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
@@ -1113,6 +1168,7 @@ void Hid::SetNpadAnalogStickUseCenterClamp(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
         bool analog_stick_use_center_clamp;
+        INSERT_PADDING_BYTES_NOINIT(7);
         u64 applet_resource_user_id;
     };
     static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
@@ -1132,38 +1188,38 @@ void Hid::SetNpadAnalogStickUseCenterClamp(Kernel::HLERequestContext& ctx) {
 
 void Hid::GetVibrationDeviceInfo(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
-    const auto vibration_device_handle{rp.PopRaw<Controller_NPad::DeviceHandle>()};
+    const auto vibration_device_handle{rp.PopRaw<Core::HID::VibrationDeviceHandle>()};
 
-    VibrationDeviceInfo vibration_device_info;
+    Core::HID::VibrationDeviceInfo vibration_device_info;
 
     switch (vibration_device_handle.npad_type) {
-    case Controller_NPad::NpadType::ProController:
-    case Controller_NPad::NpadType::Handheld:
-    case Controller_NPad::NpadType::JoyconDual:
-    case Controller_NPad::NpadType::JoyconLeft:
-    case Controller_NPad::NpadType::JoyconRight:
+    case Core::HID::NpadStyleIndex::ProController:
+    case Core::HID::NpadStyleIndex::Handheld:
+    case Core::HID::NpadStyleIndex::JoyconDual:
+    case Core::HID::NpadStyleIndex::JoyconLeft:
+    case Core::HID::NpadStyleIndex::JoyconRight:
     default:
-        vibration_device_info.type = VibrationDeviceType::LinearResonantActuator;
+        vibration_device_info.type = Core::HID::VibrationDeviceType::LinearResonantActuator;
         break;
-    case Controller_NPad::NpadType::GameCube:
-        vibration_device_info.type = VibrationDeviceType::GcErm;
+    case Core::HID::NpadStyleIndex::GameCube:
+        vibration_device_info.type = Core::HID::VibrationDeviceType::GcErm;
         break;
-    case Controller_NPad::NpadType::Pokeball:
-        vibration_device_info.type = VibrationDeviceType::Unknown;
+    case Core::HID::NpadStyleIndex::Pokeball:
+        vibration_device_info.type = Core::HID::VibrationDeviceType::Unknown;
         break;
     }
 
     switch (vibration_device_handle.device_index) {
-    case Controller_NPad::DeviceIndex::Left:
-        vibration_device_info.position = VibrationDevicePosition::Left;
+    case Core::HID::DeviceIndex::Left:
+        vibration_device_info.position = Core::HID::VibrationDevicePosition::Left;
         break;
-    case Controller_NPad::DeviceIndex::Right:
-        vibration_device_info.position = VibrationDevicePosition::Right;
+    case Core::HID::DeviceIndex::Right:
+        vibration_device_info.position = Core::HID::VibrationDevicePosition::Right;
         break;
-    case Controller_NPad::DeviceIndex::None:
+    case Core::HID::DeviceIndex::None:
     default:
         UNREACHABLE_MSG("DeviceIndex should never be None!");
-        vibration_device_info.position = VibrationDevicePosition::None;
+        vibration_device_info.position = Core::HID::VibrationDevicePosition::None;
         break;
     }
 
@@ -1178,11 +1234,12 @@ void Hid::GetVibrationDeviceInfo(Kernel::HLERequestContext& ctx) {
 void Hid::SendVibrationValue(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle vibration_device_handle;
-        Controller_NPad::VibrationValue vibration_value;
+        Core::HID::VibrationDeviceHandle vibration_device_handle;
+        Core::HID::VibrationValue vibration_value;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x20, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
@@ -1202,10 +1259,11 @@ void Hid::SendVibrationValue(Kernel::HLERequestContext& ctx) {
 void Hid::GetActualVibrationValue(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle vibration_device_handle;
+        Core::HID::VibrationDeviceHandle vibration_device_handle;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
@@ -1256,10 +1314,10 @@ void Hid::SendVibrationValues(Kernel::HLERequestContext& ctx) {
     const auto handles = ctx.ReadBuffer(0);
     const auto vibrations = ctx.ReadBuffer(1);
 
-    std::vector<Controller_NPad::DeviceHandle> vibration_device_handles(
-        handles.size() / sizeof(Controller_NPad::DeviceHandle));
-    std::vector<Controller_NPad::VibrationValue> vibration_values(
-        vibrations.size() / sizeof(Controller_NPad::VibrationValue));
+    std::vector<Core::HID::VibrationDeviceHandle> vibration_device_handles(
+        handles.size() / sizeof(Core::HID::VibrationDeviceHandle));
+    std::vector<Core::HID::VibrationValue> vibration_values(vibrations.size() /
+                                                            sizeof(Core::HID::VibrationValue));
 
     std::memcpy(vibration_device_handles.data(), handles.data(), handles.size());
     std::memcpy(vibration_values.data(), vibrations.data(), vibrations.size());
@@ -1276,9 +1334,10 @@ void Hid::SendVibrationValues(Kernel::HLERequestContext& ctx) {
 void Hid::SendVibrationGcErmCommand(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle vibration_device_handle;
+        Core::HID::VibrationDeviceHandle vibration_device_handle;
+        INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
-        VibrationGcErmCommand gc_erm_command;
+        Core::HID::VibrationGcErmCommand gc_erm_command;
     };
     static_assert(sizeof(Parameters) == 0x18, "Parameters has incorrect size.");
 
@@ -1292,26 +1351,26 @@ void Hid::SendVibrationGcErmCommand(Kernel::HLERequestContext& ctx) {
      */
     const auto vibration_value = [parameters] {
         switch (parameters.gc_erm_command) {
-        case VibrationGcErmCommand::Stop:
-            return Controller_NPad::VibrationValue{
-                .amp_low = 0.0f,
-                .freq_low = 160.0f,
-                .amp_high = 0.0f,
-                .freq_high = 320.0f,
+        case Core::HID::VibrationGcErmCommand::Stop:
+            return Core::HID::VibrationValue{
+                .low_amplitude = 0.0f,
+                .low_frequency = 160.0f,
+                .high_amplitude = 0.0f,
+                .high_frequency = 320.0f,
             };
-        case VibrationGcErmCommand::Start:
-            return Controller_NPad::VibrationValue{
-                .amp_low = 1.0f,
-                .freq_low = 160.0f,
-                .amp_high = 1.0f,
-                .freq_high = 320.0f,
+        case Core::HID::VibrationGcErmCommand::Start:
+            return Core::HID::VibrationValue{
+                .low_amplitude = 1.0f,
+                .low_frequency = 160.0f,
+                .high_amplitude = 1.0f,
+                .high_frequency = 320.0f,
             };
-        case VibrationGcErmCommand::StopHard:
-            return Controller_NPad::VibrationValue{
-                .amp_low = 0.0f,
-                .freq_low = 0.0f,
-                .amp_high = 0.0f,
-                .freq_high = 0.0f,
+        case Core::HID::VibrationGcErmCommand::StopHard:
+            return Core::HID::VibrationValue{
+                .low_amplitude = 0.0f,
+                .low_frequency = 0.0f,
+                .high_amplitude = 0.0f,
+                .high_frequency = 0.0f,
             };
         default:
             return Controller_NPad::DEFAULT_VIBRATION_VALUE;
@@ -1336,7 +1395,7 @@ void Hid::SendVibrationGcErmCommand(Kernel::HLERequestContext& ctx) {
 void Hid::GetActualVibrationGcErmCommand(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle vibration_device_handle;
+        Core::HID::VibrationDeviceHandle vibration_device_handle;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
@@ -1347,8 +1406,8 @@ void Hid::GetActualVibrationGcErmCommand(Kernel::HLERequestContext& ctx) {
                                     .GetLastVibration(parameters.vibration_device_handle);
 
     const auto gc_erm_command = [last_vibration] {
-        if (last_vibration.amp_low != 0.0f || last_vibration.amp_high != 0.0f) {
-            return VibrationGcErmCommand::Start;
+        if (last_vibration.low_amplitude != 0.0f || last_vibration.high_amplitude != 0.0f) {
+            return Core::HID::VibrationGcErmCommand::Start;
         }
 
         /**
@@ -1357,11 +1416,11 @@ void Hid::GetActualVibrationGcErmCommand(Kernel::HLERequestContext& ctx) {
          * SendVibrationGcErmCommand, in order to differentiate between Stop and StopHard commands.
          * This is done to reuse the controller vibration functions made for regular controllers.
          */
-        if (last_vibration.freq_low == 0.0f && last_vibration.freq_high == 0.0f) {
-            return VibrationGcErmCommand::StopHard;
+        if (last_vibration.low_frequency == 0.0f && last_vibration.high_frequency == 0.0f) {
+            return Core::HID::VibrationGcErmCommand::StopHard;
         }
 
-        return VibrationGcErmCommand::Stop;
+        return Core::HID::VibrationGcErmCommand::Stop;
     }();
 
     LOG_DEBUG(Service_HID,
@@ -1401,10 +1460,11 @@ void Hid::EndPermitVibrationSession(Kernel::HLERequestContext& ctx) {
 void Hid::IsVibrationDeviceMounted(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle vibration_device_handle;
+        Core::HID::VibrationDeviceHandle vibration_device_handle;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
@@ -1435,18 +1495,18 @@ void Hid::ActivateConsoleSixAxisSensor(Kernel::HLERequestContext& ctx) {
 void Hid::StartConsoleSixAxisSensor(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle sixaxis_handle;
+        Core::HID::ConsoleSixAxisSensorHandle console_sixaxis_handle;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
-    LOG_WARNING(
-        Service_HID,
-        "(STUBBED) called, npad_type={}, npad_id={}, device_index={}, applet_resource_user_id={}",
-        parameters.sixaxis_handle.npad_type, parameters.sixaxis_handle.npad_id,
-        parameters.sixaxis_handle.device_index, parameters.applet_resource_user_id);
+    LOG_WARNING(Service_HID,
+                "(STUBBED) called, unknown_1={}, unknown_2={}, applet_resource_user_id={}",
+                parameters.console_sixaxis_handle.unknown_1,
+                parameters.console_sixaxis_handle.unknown_2, parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
@@ -1455,18 +1515,18 @@ void Hid::StartConsoleSixAxisSensor(Kernel::HLERequestContext& ctx) {
 void Hid::StopConsoleSixAxisSensor(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     struct Parameters {
-        Controller_NPad::DeviceHandle sixaxis_handle;
+        Core::HID::ConsoleSixAxisSensorHandle console_sixaxis_handle;
         INSERT_PADDING_WORDS_NOINIT(1);
         u64 applet_resource_user_id;
     };
+    static_assert(sizeof(Parameters) == 0x10, "Parameters has incorrect size.");
 
     const auto parameters{rp.PopRaw<Parameters>()};
 
-    LOG_WARNING(
-        Service_HID,
-        "(STUBBED) called, npad_type={}, npad_id={}, device_index={}, applet_resource_user_id={}",
-        parameters.sixaxis_handle.npad_type, parameters.sixaxis_handle.npad_id,
-        parameters.sixaxis_handle.device_index, parameters.applet_resource_user_id);
+    LOG_WARNING(Service_HID,
+                "(STUBBED) called, unknown_1={}, unknown_2={}, applet_resource_user_id={}",
+                parameters.console_sixaxis_handle.unknown_1,
+                parameters.console_sixaxis_handle.unknown_2, parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(ResultSuccess);
@@ -1620,10 +1680,8 @@ void Hid::SetNpadCommunicationMode(Kernel::HLERequestContext& ctx) {
 
 void Hid::GetNpadCommunicationMode(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
-    const auto applet_resource_user_id{rp.Pop<u64>()};
 
-    LOG_WARNING(Service_HID, "(STUBBED) called, applet_resource_user_id={}",
-                applet_resource_user_id);
+    LOG_WARNING(Service_HID, "(STUBBED) called");
 
     IPC::ResponseBuilder rb{ctx, 4};
     rb.Push(ResultSuccess);
@@ -2037,10 +2095,6 @@ public:
     }
 };
 
-void ReloadInputDevices() {
-    Settings::values.is_device_reload_pending.store(true);
-}
-
 void InstallInterfaces(SM::ServiceManager& service_manager, Core::System& system) {
     std::make_shared<Hid>(system)->InstallAsService(service_manager);
     std::make_shared<HidBus>(system)->InstallAsService(service_manager);

src/core/hle/service/hid/hid.h

@@ -60,21 +60,23 @@ public:
 private:
     template <typename T>
     void MakeController(HidController controller) {
-        controllers[static_cast<std::size_t>(controller)] = std::make_unique<T>(system);
+        controllers[static_cast<std::size_t>(controller)] = std::make_unique<T>(system.HIDCore());
     }
     template <typename T>
     void MakeControllerWithServiceContext(HidController controller) {
         controllers[static_cast<std::size_t>(controller)] =
-            std::make_unique<T>(system, service_context);
+            std::make_unique<T>(system.HIDCore(), service_context);
     }
 
     void GetSharedMemoryHandle(Kernel::HLERequestContext& ctx);
     void UpdateControllers(std::uintptr_t user_data, std::chrono::nanoseconds ns_late);
+    void UpdateMouseKeyboard(std::uintptr_t user_data, std::chrono::nanoseconds ns_late);
     void UpdateMotion(std::uintptr_t user_data, std::chrono::nanoseconds ns_late);
 
     KernelHelpers::ServiceContext& service_context;
 
     std::shared_ptr<Core::Timing::EventType> pad_update_event;
+    std::shared_ptr<Core::Timing::EventType> mouse_keyboard_update_event;
     std::shared_ptr<Core::Timing::EventType> motion_update_event;
 
     std::array<std::unique_ptr<ControllerBase>, static_cast<size_t>(HidController::MaxControllers)>
@@ -161,38 +163,11 @@ private:
     void GetNpadCommunicationMode(Kernel::HLERequestContext& ctx);
     void SetTouchScreenConfiguration(Kernel::HLERequestContext& ctx);
 
-    enum class VibrationDeviceType : u32 {
-        Unknown = 0,
-        LinearResonantActuator = 1,
-        GcErm = 2,
-    };
-
-    enum class VibrationDevicePosition : u32 {
-        None = 0,
-        Left = 1,
-        Right = 2,
-    };
-
-    enum class VibrationGcErmCommand : u64 {
-        Stop = 0,
-        Start = 1,
-        StopHard = 2,
-    };
-
-    struct VibrationDeviceInfo {
-        VibrationDeviceType type{};
-        VibrationDevicePosition position{};
-    };
-    static_assert(sizeof(VibrationDeviceInfo) == 0x8, "VibrationDeviceInfo has incorrect size.");
-
     std::shared_ptr<IAppletResource> applet_resource;
 
     KernelHelpers::ServiceContext service_context;
 };
 
-/// Reload input devices. Used when input configuration changed
-void ReloadInputDevices();
-
 /// Registers all HID services with the specified service manager.
 void InstallInterfaces(SM::ServiceManager& service_manager, Core::System& system);
 

src/core/hle/service/hid/ring_lifo.h

@@ -0,0 +1,54 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#pragma once
+
+#include <array>
+
+#include "common/common_types.h"
+
+namespace Service::HID {
+
+template <typename State>
+struct AtomicStorage {
+    s64 sampling_number;
+    State state;
+};
+
+template <typename State, std::size_t max_buffer_size>
+struct Lifo {
+    s64 timestamp{};
+    s64 total_buffer_count = static_cast<s64>(max_buffer_size);
+    s64 buffer_tail{};
+    s64 buffer_count{};
+    std::array<AtomicStorage<State>, max_buffer_size> entries{};
+
+    const AtomicStorage<State>& ReadCurrentEntry() const {
+        return entries[buffer_tail];
+    }
+
+    const AtomicStorage<State>& ReadPreviousEntry() const {
+        return entries[GetPreviousEntryIndex()];
+    }
+
+    std::size_t GetPreviousEntryIndex() const {
+        return static_cast<size_t>((buffer_tail + total_buffer_count - 1) % total_buffer_count);
+    }
+
+    std::size_t GetNextEntryIndex() const {
+        return static_cast<size_t>((buffer_tail + 1) % total_buffer_count);
+    }
+
+    void WriteNextEntry(const State& new_state) {
+        if (buffer_count < total_buffer_count - 1) {
+            buffer_count++;
+        }
+        buffer_tail = GetNextEntryIndex();
+        const auto& previous_entry = ReadPreviousEntry();
+        entries[buffer_tail].sampling_number = previous_entry.sampling_number + 1;
+        entries[buffer_tail].state = new_state;
+    }
+};
+
+} // namespace Service::HID

src/input_common/CMakeLists.txt

@@ -1,36 +1,32 @@
 add_library(input_common STATIC
-    analog_from_button.cpp
-    analog_from_button.h
-    keyboard.cpp
-    keyboard.h
+    drivers/gc_adapter.cpp
+    drivers/gc_adapter.h
+    drivers/keyboard.cpp
+    drivers/keyboard.h
+    drivers/mouse.cpp
+    drivers/mouse.h
+    drivers/sdl_driver.cpp
+    drivers/sdl_driver.h
+    drivers/tas_input.cpp
+    drivers/tas_input.h
+    drivers/touch_screen.cpp
+    drivers/touch_screen.h
+    drivers/udp_client.cpp
+    drivers/udp_client.h
+    helpers/stick_from_buttons.cpp
+    helpers/stick_from_buttons.h
+    helpers/touch_from_buttons.cpp
+    helpers/touch_from_buttons.h
+    helpers/udp_protocol.cpp
+    helpers/udp_protocol.h
+    input_engine.cpp
+    input_engine.h
+    input_mapping.cpp
+    input_mapping.h
+    input_poller.cpp
+    input_poller.h
     main.cpp
     main.h
-    motion_from_button.cpp
-    motion_from_button.h
-    motion_input.cpp
-    motion_input.h
-    touch_from_button.cpp
-    touch_from_button.h
-    gcadapter/gc_adapter.cpp
-    gcadapter/gc_adapter.h
-    gcadapter/gc_poller.cpp
-    gcadapter/gc_poller.h
-    mouse/mouse_input.cpp
-    mouse/mouse_input.h
-    mouse/mouse_poller.cpp
-    mouse/mouse_poller.h
-    sdl/sdl.cpp
-    sdl/sdl.h
-    tas/tas_input.cpp
-    tas/tas_input.h
-    tas/tas_poller.cpp
-    tas/tas_poller.h
-    udp/client.cpp
-    udp/client.h
-    udp/protocol.cpp
-    udp/protocol.h
-    udp/udp.cpp
-    udp/udp.h
 )
 
 if (MSVC)
@@ -57,8 +53,8 @@ endif()
 
 if (ENABLE_SDL2)
     target_sources(input_common PRIVATE
-        sdl/sdl_impl.cpp
-        sdl/sdl_impl.h
+        drivers/sdl_driver.cpp
+        drivers/sdl_driver.h
     )
     target_link_libraries(input_common PRIVATE SDL2)
     target_compile_definitions(input_common PRIVATE HAVE_SDL2)

src/input_common/analog_from_button.cpp

@@ -1,238 +0,0 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <atomic>
-#include <chrono>
-#include <cmath>
-#include <thread>
-#include "common/math_util.h"
-#include "common/settings.h"
-#include "input_common/analog_from_button.h"
-
-namespace InputCommon {
-
-class Analog final : public Input::AnalogDevice {
-public:
-    using Button = std::unique_ptr<Input::ButtonDevice>;
-
-    Analog(Button up_, Button down_, Button left_, Button right_, Button modifier_,
-           float modifier_scale_, float modifier_angle_)
-        : up(std::move(up_)), down(std::move(down_)), left(std::move(left_)),
-          right(std::move(right_)), modifier(std::move(modifier_)), modifier_scale(modifier_scale_),
-          modifier_angle(modifier_angle_) {
-        Input::InputCallback<bool> callbacks{
-            [this]([[maybe_unused]] bool status) { UpdateStatus(); }};
-        up->SetCallback(callbacks);
-        down->SetCallback(callbacks);
-        left->SetCallback(callbacks);
-        right->SetCallback(callbacks);
-        modifier->SetCallback(callbacks);
-    }
-
-    bool IsAngleGreater(float old_angle, float new_angle) const {
-        constexpr float TAU = Common::PI * 2.0f;
-        // Use wider angle to ease the transition.
-        constexpr float aperture = TAU * 0.15f;
-        const float top_limit = new_angle + aperture;
-        return (old_angle > new_angle && old_angle <= top_limit) ||
-               (old_angle + TAU > new_angle && old_angle + TAU <= top_limit);
-    }
-
-    bool IsAngleSmaller(float old_angle, float new_angle) const {
-        constexpr float TAU = Common::PI * 2.0f;
-        // Use wider angle to ease the transition.
-        constexpr float aperture = TAU * 0.15f;
-        const float bottom_limit = new_angle - aperture;
-        return (old_angle >= bottom_limit && old_angle < new_angle) ||
-               (old_angle - TAU >= bottom_limit && old_angle - TAU < new_angle);
-    }
-
-    float GetAngle(std::chrono::time_point<std::chrono::steady_clock> now) const {
-        constexpr float TAU = Common::PI * 2.0f;
-        float new_angle = angle;
-
-        auto time_difference = static_cast<float>(
-            std::chrono::duration_cast<std::chrono::microseconds>(now - last_update).count());
-        time_difference /= 1000.0f * 1000.0f;
-        if (time_difference > 0.5f) {
-            time_difference = 0.5f;
-        }
-
-        if (IsAngleGreater(new_angle, goal_angle)) {
-            new_angle -= modifier_angle * time_difference;
-            if (new_angle < 0) {
-                new_angle += TAU;
-            }
-            if (!IsAngleGreater(new_angle, goal_angle)) {
-                return goal_angle;
-            }
-        } else if (IsAngleSmaller(new_angle, goal_angle)) {
-            new_angle += modifier_angle * time_difference;
-            if (new_angle >= TAU) {
-                new_angle -= TAU;
-            }
-            if (!IsAngleSmaller(new_angle, goal_angle)) {
-                return goal_angle;
-            }
-        } else {
-            return goal_angle;
-        }
-        return new_angle;
-    }
-
-    void SetGoalAngle(bool r, bool l, bool u, bool d) {
-        // Move to the right
-        if (r && !u && !d) {
-            goal_angle = 0.0f;
-        }
-
-        // Move to the upper right
-        if (r && u && !d) {
-            goal_angle = Common::PI * 0.25f;
-        }
-
-        // Move up
-        if (u && !l && !r) {
-            goal_angle = Common::PI * 0.5f;
-        }
-
-        // Move to the upper left
-        if (l && u && !d) {
-            goal_angle = Common::PI * 0.75f;
-        }
-
-        // Move to the left
-        if (l && !u && !d) {
-            goal_angle = Common::PI;
-        }
-
-        // Move to the bottom left
-        if (l && !u && d) {
-            goal_angle = Common::PI * 1.25f;
-        }
-
-        // Move down
-        if (d && !l && !r) {
-            goal_angle = Common::PI * 1.5f;
-        }
-
-        // Move to the bottom right
-        if (r && !u && d) {
-            goal_angle = Common::PI * 1.75f;
-        }
-    }
-
-    void UpdateStatus() {
-        const float coef = modifier->GetStatus() ? modifier_scale : 1.0f;
-
-        bool r = right->GetStatus();
-        bool l = left->GetStatus();
-        bool u = up->GetStatus();
-        bool d = down->GetStatus();
-
-        // Eliminate contradictory movements
-        if (r && l) {
-            r = false;
-            l = false;
-        }
-        if (u && d) {
-            u = false;
-            d = false;
-        }
-
-        // Move if a key is pressed
-        if (r || l || u || d) {
-            amplitude = coef;
-        } else {
-            amplitude = 0;
-        }
-
-        const auto now = std::chrono::steady_clock::now();
-        const auto time_difference = static_cast<u64>(
-            std::chrono::duration_cast<std::chrono::milliseconds>(now - last_update).count());
-
-        if (time_difference < 10) {
-            // Disable analog mode if inputs are too fast
-            SetGoalAngle(r, l, u, d);
-            angle = goal_angle;
-        } else {
-            angle = GetAngle(now);
-            SetGoalAngle(r, l, u, d);
-        }
-
-        last_update = now;
-    }
-
-    std::tuple<float, float> GetStatus() const override {
-        if (Settings::values.emulate_analog_keyboard) {
-            const auto now = std::chrono::steady_clock::now();
-            float angle_ = GetAngle(now);
-            return std::make_tuple(std::cos(angle_) * amplitude, std::sin(angle_) * amplitude);
-        }
-        constexpr float SQRT_HALF = 0.707106781f;
-        int x = 0, y = 0;
-        if (right->GetStatus()) {
-            ++x;
-        }
-        if (left->GetStatus()) {
-            --x;
-        }
-        if (up->GetStatus()) {
-            ++y;
-        }
-        if (down->GetStatus()) {
-            --y;
-        }
-        const float coef = modifier->GetStatus() ? modifier_scale : 1.0f;
-        return std::make_tuple(static_cast<float>(x) * coef * (y == 0 ? 1.0f : SQRT_HALF),
-                               static_cast<float>(y) * coef * (x == 0 ? 1.0f : SQRT_HALF));
-    }
-
-    Input::AnalogProperties GetAnalogProperties() const override {
-        return {modifier_scale, 1.0f, 0.5f};
-    }
-
-    bool GetAnalogDirectionStatus(Input::AnalogDirection direction) const override {
-        switch (direction) {
-        case Input::AnalogDirection::RIGHT:
-            return right->GetStatus();
-        case Input::AnalogDirection::LEFT:
-            return left->GetStatus();
-        case Input::AnalogDirection::UP:
-            return up->GetStatus();
-        case Input::AnalogDirection::DOWN:
-            return down->GetStatus();
-        }
-        return false;
-    }
-
-private:
-    Button up;
-    Button down;
-    Button left;
-    Button right;
-    Button modifier;
-    float modifier_scale;
-    float modifier_angle;
-    float angle{};
-    float goal_angle{};
-    float amplitude{};
-    std::chrono::time_point<std::chrono::steady_clock> last_update;
-};
-
-std::unique_ptr<Input::AnalogDevice> AnalogFromButton::Create(const Common::ParamPackage& params) {
-    const std::string null_engine = Common::ParamPackage{{"engine", "null"}}.Serialize();
-    auto up = Input::CreateDevice<Input::ButtonDevice>(params.Get("up", null_engine));
-    auto down = Input::CreateDevice<Input::ButtonDevice>(params.Get("down", null_engine));
-    auto left = Input::CreateDevice<Input::ButtonDevice>(params.Get("left", null_engine));
-    auto right = Input::CreateDevice<Input::ButtonDevice>(params.Get("right", null_engine));
-    auto modifier = Input::CreateDevice<Input::ButtonDevice>(params.Get("modifier", null_engine));
-    auto modifier_scale = params.Get("modifier_scale", 0.5f);
-    auto modifier_angle = params.Get("modifier_angle", 5.5f);
-    return std::make_unique<Analog>(std::move(up), std::move(down), std::move(left),
-                                    std::move(right), std::move(modifier), modifier_scale,
-                                    modifier_angle);
-}
-
-} // namespace InputCommon

src/input_common/drivers/gc_adapter.cpp

@@ -2,47 +2,103 @@
 // Licensed under GPLv2+
 // Refer to the license.txt file included.
 
-#include <chrono>
-#include <thread>
-
+#include <fmt/format.h>
 #include <libusb.h>
 
 #include "common/logging/log.h"
 #include "common/param_package.h"
 #include "common/settings_input.h"
-#include "input_common/gcadapter/gc_adapter.h"
+#include "common/thread.h"
+#include "input_common/drivers/gc_adapter.h"
 
-namespace GCAdapter {
+namespace InputCommon {
 
-Adapter::Adapter() {
-    if (usb_adapter_handle != nullptr) {
+class LibUSBContext {
+public:
+    explicit LibUSBContext() {
+        init_result = libusb_init(&ctx);
+    }
+
+    ~LibUSBContext() {
+        libusb_exit(ctx);
+    }
+
+    LibUSBContext& operator=(const LibUSBContext&) = delete;
+    LibUSBContext(const LibUSBContext&) = delete;
+
+    LibUSBContext& operator=(LibUSBContext&&) noexcept = delete;
+    LibUSBContext(LibUSBContext&&) noexcept = delete;
+
+    [[nodiscard]] int InitResult() const noexcept {
+        return init_result;
+    }
+
+    [[nodiscard]] libusb_context* get() noexcept {
+        return ctx;
+    }
+
+private:
+    libusb_context* ctx;
+    int init_result{};
+};
+
+class LibUSBDeviceHandle {
+public:
+    explicit LibUSBDeviceHandle(libusb_context* ctx, uint16_t vid, uint16_t pid) noexcept {
+        handle = libusb_open_device_with_vid_pid(ctx, vid, pid);
+    }
+
+    ~LibUSBDeviceHandle() noexcept {
+        if (handle) {
+            libusb_release_interface(handle, 1);
+            libusb_close(handle);
+        }
+    }
+
+    LibUSBDeviceHandle& operator=(const LibUSBDeviceHandle&) = delete;
+    LibUSBDeviceHandle(const LibUSBDeviceHandle&) = delete;
+
+    LibUSBDeviceHandle& operator=(LibUSBDeviceHandle&&) noexcept = delete;
+    LibUSBDeviceHandle(LibUSBDeviceHandle&&) noexcept = delete;
+
+    [[nodiscard]] libusb_device_handle* get() noexcept {
+        return handle;
+    }
+
+private:
+    libusb_device_handle* handle{};
+};
+
+GCAdapter::GCAdapter(const std::string& input_engine_) : InputEngine(input_engine_) {
+    if (usb_adapter_handle) {
         return;
     }
-    LOG_INFO(Input, "GC Adapter Initialization started");
+    LOG_DEBUG(Input, "Initialization started");
 
-    const int init_res = libusb_init(&libusb_ctx);
+    libusb_ctx = std::make_unique<LibUSBContext>();
+    const int init_res = libusb_ctx->InitResult();
     if (init_res == LIBUSB_SUCCESS) {
-        adapter_scan_thread = std::thread(&Adapter::AdapterScanThread, this);
+        adapter_scan_thread =
+            std::jthread([this](std::stop_token stop_token) { AdapterScanThread(stop_token); });
     } else {
         LOG_ERROR(Input, "libusb could not be initialized. failed with error = {}", init_res);
     }
 }
 
-Adapter::~Adapter() {
+GCAdapter::~GCAdapter() {
     Reset();
 }
 
-void Adapter::AdapterInputThread() {
-    LOG_DEBUG(Input, "GC Adapter input thread started");
+void GCAdapter::AdapterInputThread(std::stop_token stop_token) {
+    LOG_DEBUG(Input, "Input thread started");
+    Common::SetCurrentThreadName("yuzu:input:GCAdapter");
     s32 payload_size{};
     AdapterPayload adapter_payload{};
 
-    if (adapter_scan_thread.joinable()) {
-        adapter_scan_thread.join();
-    }
+    adapter_scan_thread = {};
 
-    while (adapter_input_thread_running) {
-        libusb_interrupt_transfer(usb_adapter_handle, input_endpoint, adapter_payload.data(),
+    while (!stop_token.stop_requested()) {
+        libusb_interrupt_transfer(usb_adapter_handle->get(), input_endpoint, adapter_payload.data(),
                                   static_cast<s32>(adapter_payload.size()), &payload_size, 16);
         if (IsPayloadCorrect(adapter_payload, payload_size)) {
             UpdateControllers(adapter_payload);
@@ -52,19 +108,20 @@ void Adapter::AdapterInputThread() {
     }
 
     if (restart_scan_thread) {
-        adapter_scan_thread = std::thread(&Adapter::AdapterScanThread, this);
+        adapter_scan_thread =
+            std::jthread([this](std::stop_token token) { AdapterScanThread(token); });
         restart_scan_thread = false;
     }
 }
 
-bool Adapter::IsPayloadCorrect(const AdapterPayload& adapter_payload, s32 payload_size) {
+bool GCAdapter::IsPayloadCorrect(const AdapterPayload& adapter_payload, s32 payload_size) {
     if (payload_size != static_cast<s32>(adapter_payload.size()) ||
         adapter_payload[0] != LIBUSB_DT_HID) {
         LOG_DEBUG(Input, "Error reading payload (size: {}, type: {:02x})", payload_size,
                   adapter_payload[0]);
         if (input_error_counter++ > 20) {
-            LOG_ERROR(Input, "GC adapter timeout, Is the adapter connected?");
-            adapter_input_thread_running = false;
+            LOG_ERROR(Input, "Timeout, Is the adapter connected?");
+            adapter_input_thread.request_stop();
             restart_scan_thread = true;
         }
         return false;
@@ -74,7 +131,7 @@ bool Adapter::IsPayloadCorrect(const AdapterPayload& adapter_payload, s32 payloa
     return true;
 }
 
-void Adapter::UpdateControllers(const AdapterPayload& adapter_payload) {
+void GCAdapter::UpdateControllers(const AdapterPayload& adapter_payload) {
     for (std::size_t port = 0; port < pads.size(); ++port) {
         const std::size_t offset = 1 + (9 * port);
         const auto type = static_cast<ControllerTypes>(adapter_payload[offset] >> 4);
@@ -84,23 +141,24 @@ void Adapter::UpdateControllers(const AdapterPayload& adapter_payload) {
             const u8 b2 = adapter_payload[offset + 2];
             UpdateStateButtons(port, b1, b2);
             UpdateStateAxes(port, adapter_payload);
-            if (configuring) {
-                UpdateYuzuSettings(port);
-            }
         }
     }
 }
 
-void Adapter::UpdatePadType(std::size_t port, ControllerTypes pad_type) {
+void GCAdapter::UpdatePadType(std::size_t port, ControllerTypes pad_type) {
     if (pads[port].type == pad_type) {
         return;
     }
     // Device changed reset device and set new type
-    ResetDevice(port);
+    pads[port].axis_origin = {};
+    pads[port].reset_origin_counter = {};
+    pads[port].enable_vibration = {};
+    pads[port].rumble_amplitude = {};
     pads[port].type = pad_type;
 }
 
-void Adapter::UpdateStateButtons(std::size_t port, u8 b1, u8 b2) {
+void GCAdapter::UpdateStateButtons(std::size_t port, [[maybe_unused]] u8 b1,
+                                   [[maybe_unused]] u8 b2) {
     if (port >= pads.size()) {
         return;
     }
@@ -116,25 +174,21 @@ void Adapter::UpdateStateButtons(std::size_t port, u8 b1, u8 b2) {
         PadButton::TriggerR,
         PadButton::TriggerL,
     };
-    pads[port].buttons = 0;
+
     for (std::size_t i = 0; i < b1_buttons.size(); ++i) {
-        if ((b1 & (1U << i)) != 0) {
-            pads[port].buttons =
-                static_cast<u16>(pads[port].buttons | static_cast<u16>(b1_buttons[i]));
-            pads[port].last_button = b1_buttons[i];
-        }
+        const bool button_status = (b1 & (1U << i)) != 0;
+        const int button = static_cast<int>(b1_buttons[i]);
+        SetButton(pads[port].identifier, button, button_status);
     }
 
     for (std::size_t j = 0; j < b2_buttons.size(); ++j) {
-        if ((b2 & (1U << j)) != 0) {
-            pads[port].buttons =
-                static_cast<u16>(pads[port].buttons | static_cast<u16>(b2_buttons[j]));
-            pads[port].last_button = b2_buttons[j];
-        }
+        const bool button_status = (b2 & (1U << j)) != 0;
+        const int button = static_cast<int>(b2_buttons[j]);
+        SetButton(pads[port].identifier, button, button_status);
     }
 }
 
-void Adapter::UpdateStateAxes(std::size_t port, const AdapterPayload& adapter_payload) {
+void GCAdapter::UpdateStateAxes(std::size_t port, const AdapterPayload& adapter_payload) {
     if (port >= pads.size()) {
         return;
     }
@@ -155,134 +209,63 @@ void Adapter::UpdateStateAxes(std::size_t port, const AdapterPayload& adapter_pa
             pads[port].axis_origin[index] = axis_value;
             pads[port].reset_origin_counter++;
         }
-        pads[port].axis_values[index] =
-            static_cast<s16>(axis_value - pads[port].axis_origin[index]);
+        const f32 axis_status = (axis_value - pads[port].axis_origin[index]) / 100.0f;
+        SetAxis(pads[port].identifier, static_cast<int>(index), axis_status);
     }
 }
 
-void Adapter::UpdateYuzuSettings(std::size_t port) {
-    if (port >= pads.size()) {
-        return;
-    }
-
-    constexpr u8 axis_threshold = 50;
-    GCPadStatus pad_status = {.port = port};
-
-    if (pads[port].buttons != 0) {
-        pad_status.button = pads[port].last_button;
-        pad_queue.Push(pad_status);
-    }
-
-    // Accounting for a threshold here to ensure an intentional press
-    for (std::size_t i = 0; i < pads[port].axis_values.size(); ++i) {
-        const s16 value = pads[port].axis_values[i];
-
-        if (value > axis_threshold || value < -axis_threshold) {
-            pad_status.axis = static_cast<PadAxes>(i);
-            pad_status.axis_value = value;
-            pad_status.axis_threshold = axis_threshold;
-            pad_queue.Push(pad_status);
-        }
+void GCAdapter::AdapterScanThread(std::stop_token stop_token) {
+    Common::SetCurrentThreadName("yuzu:input:ScanGCAdapter");
+    usb_adapter_handle = nullptr;
+    pads = {};
+    while (!stop_token.stop_requested() && !Setup()) {
+        std::this_thread::sleep_for(std::chrono::seconds(2));
     }
 }
 
-void Adapter::UpdateVibrations() {
-    // Use 8 states to keep the switching between on/off fast enough for
-    // a human to not notice the difference between switching from on/off
-    // More states = more rumble strengths = slower update time
-    constexpr u8 vibration_states = 8;
-
-    vibration_counter = (vibration_counter + 1) % vibration_states;
-
-    for (GCController& pad : pads) {
-        const bool vibrate = pad.rumble_amplitude > vibration_counter;
-        vibration_changed |= vibrate != pad.enable_vibration;
-        pad.enable_vibration = vibrate;
-    }
-    SendVibrations();
-}
-
-void Adapter::SendVibrations() {
-    if (!rumble_enabled || !vibration_changed) {
-        return;
-    }
-    s32 size{};
-    constexpr u8 rumble_command = 0x11;
-    const u8 p1 = pads[0].enable_vibration;
-    const u8 p2 = pads[1].enable_vibration;
-    const u8 p3 = pads[2].enable_vibration;
-    const u8 p4 = pads[3].enable_vibration;
-    std::array<u8, 5> payload = {rumble_command, p1, p2, p3, p4};
-    const int err = libusb_interrupt_transfer(usb_adapter_handle, output_endpoint, payload.data(),
-                                              static_cast<s32>(payload.size()), &size, 16);
-    if (err) {
-        LOG_DEBUG(Input, "Adapter libusb write failed: {}", libusb_error_name(err));
-        if (output_error_counter++ > 5) {
-            LOG_ERROR(Input, "GC adapter output timeout, Rumble disabled");
-            rumble_enabled = false;
-        }
-        return;
-    }
-    output_error_counter = 0;
-    vibration_changed = false;
-}
-
-bool Adapter::RumblePlay(std::size_t port, u8 amplitude) {
-    pads[port].rumble_amplitude = amplitude;
-
-    return rumble_enabled;
-}
-
-void Adapter::AdapterScanThread() {
-    adapter_scan_thread_running = true;
-    adapter_input_thread_running = false;
-    if (adapter_input_thread.joinable()) {
-        adapter_input_thread.join();
-    }
-    ClearLibusbHandle();
-    ResetDevices();
-    while (adapter_scan_thread_running && !adapter_input_thread_running) {
-        Setup();
-        std::this_thread::sleep_for(std::chrono::seconds(1));
-    }
-}
-
-void Adapter::Setup() {
-    usb_adapter_handle = libusb_open_device_with_vid_pid(libusb_ctx, 0x057e, 0x0337);
-
-    if (usb_adapter_handle == NULL) {
-        return;
+bool GCAdapter::Setup() {
+    constexpr u16 nintendo_vid = 0x057e;
+    constexpr u16 gc_adapter_pid = 0x0337;
+    usb_adapter_handle =
+        std::make_unique<LibUSBDeviceHandle>(libusb_ctx->get(), nintendo_vid, gc_adapter_pid);
+    if (!usb_adapter_handle->get()) {
+        return false;
     }
     if (!CheckDeviceAccess()) {
-        ClearLibusbHandle();
-        return;
+        usb_adapter_handle = nullptr;
+        return false;
     }
 
-    libusb_device* device = libusb_get_device(usb_adapter_handle);
+    libusb_device* const device = libusb_get_device(usb_adapter_handle->get());
 
     LOG_INFO(Input, "GC adapter is now connected");
     // GC Adapter found and accessible, registering it
     if (GetGCEndpoint(device)) {
-        adapter_scan_thread_running = false;
-        adapter_input_thread_running = true;
         rumble_enabled = true;
         input_error_counter = 0;
         output_error_counter = 0;
-        adapter_input_thread = std::thread(&Adapter::AdapterInputThread, this);
+
+        std::size_t port = 0;
+        for (GCController& pad : pads) {
+            pad.identifier = {
+                .guid = Common::UUID{Common::INVALID_UUID},
+                .port = port++,
+                .pad = 0,
+            };
+            PreSetController(pad.identifier);
+        }
+
+        adapter_input_thread =
+            std::jthread([this](std::stop_token stop_token) { AdapterInputThread(stop_token); });
+        return true;
     }
+    return false;
 }
 
-bool Adapter::CheckDeviceAccess() {
-    // This fixes payload problems from offbrand GCAdapters
-    const s32 control_transfer_error =
-        libusb_control_transfer(usb_adapter_handle, 0x21, 11, 0x0001, 0, nullptr, 0, 1000);
-    if (control_transfer_error < 0) {
-        LOG_ERROR(Input, "libusb_control_transfer failed with error= {}", control_transfer_error);
-    }
-
-    s32 kernel_driver_error = libusb_kernel_driver_active(usb_adapter_handle, 0);
+bool GCAdapter::CheckDeviceAccess() {
+    s32 kernel_driver_error = libusb_kernel_driver_active(usb_adapter_handle->get(), 0);
     if (kernel_driver_error == 1) {
-        kernel_driver_error = libusb_detach_kernel_driver(usb_adapter_handle, 0);
+        kernel_driver_error = libusb_detach_kernel_driver(usb_adapter_handle->get(), 0);
         if (kernel_driver_error != 0 && kernel_driver_error != LIBUSB_ERROR_NOT_SUPPORTED) {
             LOG_ERROR(Input, "libusb_detach_kernel_driver failed with error = {}",
                       kernel_driver_error);
@@ -290,23 +273,28 @@ bool Adapter::CheckDeviceAccess() {
     }
 
     if (kernel_driver_error && kernel_driver_error != LIBUSB_ERROR_NOT_SUPPORTED) {
-        libusb_close(usb_adapter_handle);
         usb_adapter_handle = nullptr;
         return false;
     }
 
-    const int interface_claim_error = libusb_claim_interface(usb_adapter_handle, 0);
+    const int interface_claim_error = libusb_claim_interface(usb_adapter_handle->get(), 0);
     if (interface_claim_error) {
         LOG_ERROR(Input, "libusb_claim_interface failed with error = {}", interface_claim_error);
-        libusb_close(usb_adapter_handle);
         usb_adapter_handle = nullptr;
         return false;
     }
 
+    // This fixes payload problems from offbrand GCAdapters
+    const s32 control_transfer_error =
+        libusb_control_transfer(usb_adapter_handle->get(), 0x21, 11, 0x0001, 0, nullptr, 0, 1000);
+    if (control_transfer_error < 0) {
+        LOG_ERROR(Input, "libusb_control_transfer failed with error= {}", control_transfer_error);
+    }
+
     return true;
 }
 
-bool Adapter::GetGCEndpoint(libusb_device* device) {
+bool GCAdapter::GetGCEndpoint(libusb_device* device) {
     libusb_config_descriptor* config = nullptr;
     const int config_descriptor_return = libusb_get_config_descriptor(device, 0, &config);
     if (config_descriptor_return != LIBUSB_SUCCESS) {
@@ -332,77 +320,95 @@ bool Adapter::GetGCEndpoint(libusb_device* device) {
     // This transfer seems to be responsible for clearing the state of the adapter
     // Used to clear the "busy" state of when the device is unexpectedly unplugged
     unsigned char clear_payload = 0x13;
-    libusb_interrupt_transfer(usb_adapter_handle, output_endpoint, &clear_payload,
+    libusb_interrupt_transfer(usb_adapter_handle->get(), output_endpoint, &clear_payload,
                               sizeof(clear_payload), nullptr, 16);
     return true;
 }
 
-void Adapter::JoinThreads() {
-    restart_scan_thread = false;
-    adapter_input_thread_running = false;
-    adapter_scan_thread_running = false;
+Common::Input::VibrationError GCAdapter::SetRumble(const PadIdentifier& identifier,
+                                                   const Common::Input::VibrationStatus vibration) {
+    const auto mean_amplitude = (vibration.low_amplitude + vibration.high_amplitude) * 0.5f;
+    const auto processed_amplitude =
+        static_cast<u8>((mean_amplitude + std::pow(mean_amplitude, 0.3f)) * 0.5f * 0x8);
 
-    if (adapter_scan_thread.joinable()) {
-        adapter_scan_thread.join();
-    }
+    pads[identifier.port].rumble_amplitude = processed_amplitude;
 
-    if (adapter_input_thread.joinable()) {
-        adapter_input_thread.join();
+    if (!rumble_enabled) {
+        return Common::Input::VibrationError::Disabled;
     }
+    return Common::Input::VibrationError::None;
 }
 
-void Adapter::ClearLibusbHandle() {
-    if (usb_adapter_handle) {
-        libusb_release_interface(usb_adapter_handle, 1);
-        libusb_close(usb_adapter_handle);
-        usb_adapter_handle = nullptr;
+void GCAdapter::UpdateVibrations() {
+    // Use 8 states to keep the switching between on/off fast enough for
+    // a human to feel different vibration strenght
+    // More states == more rumble strengths == slower update time
+    constexpr u8 vibration_states = 8;
+
+    vibration_counter = (vibration_counter + 1) % vibration_states;
+
+    for (GCController& pad : pads) {
+        const bool vibrate = pad.rumble_amplitude > vibration_counter;
+        vibration_changed |= vibrate != pad.enable_vibration;
+        pad.enable_vibration = vibrate;
     }
+    SendVibrations();
 }
 
-void Adapter::ResetDevices() {
-    for (std::size_t i = 0; i < pads.size(); ++i) {
-        ResetDevice(i);
+void GCAdapter::SendVibrations() {
+    if (!rumble_enabled || !vibration_changed) {
+        return;
     }
-}
-
-void Adapter::ResetDevice(std::size_t port) {
-    pads[port].type = ControllerTypes::None;
-    pads[port].enable_vibration = false;
-    pads[port].rumble_amplitude = 0;
-    pads[port].buttons = 0;
-    pads[port].last_button = PadButton::Undefined;
-    pads[port].axis_values.fill(0);
-    pads[port].reset_origin_counter = 0;
-}
-
-void Adapter::Reset() {
-    JoinThreads();
-    ClearLibusbHandle();
-    ResetDevices();
-
-    if (libusb_ctx) {
-        libusb_exit(libusb_ctx);
+    s32 size{};
+    constexpr u8 rumble_command = 0x11;
+    const u8 p1 = pads[0].enable_vibration;
+    const u8 p2 = pads[1].enable_vibration;
+    const u8 p3 = pads[2].enable_vibration;
+    const u8 p4 = pads[3].enable_vibration;
+    std::array<u8, 5> payload = {rumble_command, p1, p2, p3, p4};
+    const int err =
+        libusb_interrupt_transfer(usb_adapter_handle->get(), output_endpoint, payload.data(),
+                                  static_cast<s32>(payload.size()), &size, 16);
+    if (err) {
+        LOG_DEBUG(Input, "Libusb write failed: {}", libusb_error_name(err));
+        if (output_error_counter++ > 5) {
+            LOG_ERROR(Input, "Output timeout, Rumble disabled");
+            rumble_enabled = false;
+        }
+        return;
     }
+    output_error_counter = 0;
+    vibration_changed = false;
 }
 
-std::vector<Common::ParamPackage> Adapter::GetInputDevices() const {
+bool GCAdapter::DeviceConnected(std::size_t port) const {
+    return pads[port].type != ControllerTypes::None;
+}
+
+void GCAdapter::Reset() {
+    adapter_scan_thread = {};
+    adapter_input_thread = {};
+    usb_adapter_handle = nullptr;
+    pads = {};
+    libusb_ctx = nullptr;
+}
+
+std::vector<Common::ParamPackage> GCAdapter::GetInputDevices() const {
     std::vector<Common::ParamPackage> devices;
     for (std::size_t port = 0; port < pads.size(); ++port) {
         if (!DeviceConnected(port)) {
             continue;
         }
-        std::string name = fmt::format("Gamecube Controller {}", port + 1);
-        devices.emplace_back(Common::ParamPackage{
-            {"class", "gcpad"},
-            {"display", std::move(name)},
-            {"port", std::to_string(port)},
-        });
+        Common::ParamPackage identifier{};
+        identifier.Set("engine", GetEngineName());
+        identifier.Set("display", fmt::format("Gamecube Controller {}", port + 1));
+        identifier.Set("port", static_cast<int>(port));
+        devices.emplace_back(identifier);
     }
     return devices;
 }
 
-InputCommon::ButtonMapping Adapter::GetButtonMappingForDevice(
-    const Common::ParamPackage& params) const {
+ButtonMapping GCAdapter::GetButtonMappingForDevice(const Common::ParamPackage& params) {
     // This list is missing ZL/ZR since those are not considered buttons.
     // We will add those afterwards
     // This list also excludes any button that can't be really mapped
@@ -425,47 +431,49 @@ InputCommon::ButtonMapping Adapter::GetButtonMappingForDevice(
         return {};
     }
 
-    InputCommon::ButtonMapping mapping{};
+    ButtonMapping mapping{};
     for (const auto& [switch_button, gcadapter_button] : switch_to_gcadapter_button) {
-        Common::ParamPackage button_params({{"engine", "gcpad"}});
+        Common::ParamPackage button_params{};
+        button_params.Set("engine", GetEngineName());
         button_params.Set("port", params.Get("port", 0));
         button_params.Set("button", static_cast<int>(gcadapter_button));
         mapping.insert_or_assign(switch_button, std::move(button_params));
     }
 
     // Add the missing bindings for ZL/ZR
-    static constexpr std::array<std::pair<Settings::NativeButton::Values, PadAxes>, 2>
+    static constexpr std::array<std::tuple<Settings::NativeButton::Values, PadButton, PadAxes>, 2>
         switch_to_gcadapter_axis = {
-            std::pair{Settings::NativeButton::ZL, PadAxes::TriggerLeft},
-            {Settings::NativeButton::ZR, PadAxes::TriggerRight},
+            std::tuple{Settings::NativeButton::ZL, PadButton::TriggerL, PadAxes::TriggerLeft},
+            {Settings::NativeButton::ZR, PadButton::TriggerR, PadAxes::TriggerRight},
         };
-    for (const auto& [switch_button, gcadapter_axis] : switch_to_gcadapter_axis) {
-        Common::ParamPackage button_params({{"engine", "gcpad"}});
+    for (const auto& [switch_button, gcadapter_buton, gcadapter_axis] : switch_to_gcadapter_axis) {
+        Common::ParamPackage button_params{};
+        button_params.Set("engine", GetEngineName());
         button_params.Set("port", params.Get("port", 0));
-        button_params.Set("button", static_cast<s32>(PadButton::Stick));
+        button_params.Set("button", static_cast<s32>(gcadapter_buton));
         button_params.Set("axis", static_cast<s32>(gcadapter_axis));
         button_params.Set("threshold", 0.5f);
+        button_params.Set("range", 1.9f);
         button_params.Set("direction", "+");
         mapping.insert_or_assign(switch_button, std::move(button_params));
     }
     return mapping;
 }
 
-InputCommon::AnalogMapping Adapter::GetAnalogMappingForDevice(
-    const Common::ParamPackage& params) const {
+AnalogMapping GCAdapter::GetAnalogMappingForDevice(const Common::ParamPackage& params) {
     if (!params.Has("port")) {
         return {};
     }
 
-    InputCommon::AnalogMapping mapping = {};
+    AnalogMapping mapping = {};
     Common::ParamPackage left_analog_params;
-    left_analog_params.Set("engine", "gcpad");
+    left_analog_params.Set("engine", GetEngineName());
     left_analog_params.Set("port", params.Get("port", 0));
     left_analog_params.Set("axis_x", static_cast<int>(PadAxes::StickX));
     left_analog_params.Set("axis_y", static_cast<int>(PadAxes::StickY));
     mapping.insert_or_assign(Settings::NativeAnalog::LStick, std::move(left_analog_params));
     Common::ParamPackage right_analog_params;
-    right_analog_params.Set("engine", "gcpad");
+    right_analog_params.Set("engine", GetEngineName());
     right_analog_params.Set("port", params.Get("port", 0));
     right_analog_params.Set("axis_x", static_cast<int>(PadAxes::SubstickX));
     right_analog_params.Set("axis_y", static_cast<int>(PadAxes::SubstickY));
@@ -473,34 +481,47 @@ InputCommon::AnalogMapping Adapter::GetAnalogMappingForDevice(
     return mapping;
 }
 
-bool Adapter::DeviceConnected(std::size_t port) const {
-    return pads[port].type != ControllerTypes::None;
+Common::Input::ButtonNames GCAdapter::GetUIButtonName(const Common::ParamPackage& params) const {
+    PadButton button = static_cast<PadButton>(params.Get("button", 0));
+    switch (button) {
+    case PadButton::ButtonLeft:
+        return Common::Input::ButtonNames::ButtonLeft;
+    case PadButton::ButtonRight:
+        return Common::Input::ButtonNames::ButtonRight;
+    case PadButton::ButtonDown:
+        return Common::Input::ButtonNames::ButtonDown;
+    case PadButton::ButtonUp:
+        return Common::Input::ButtonNames::ButtonUp;
+    case PadButton::TriggerZ:
+        return Common::Input::ButtonNames::TriggerZ;
+    case PadButton::TriggerR:
+        return Common::Input::ButtonNames::TriggerR;
+    case PadButton::TriggerL:
+        return Common::Input::ButtonNames::TriggerL;
+    case PadButton::ButtonA:
+        return Common::Input::ButtonNames::ButtonA;
+    case PadButton::ButtonB:
+        return Common::Input::ButtonNames::ButtonB;
+    case PadButton::ButtonX:
+        return Common::Input::ButtonNames::ButtonX;
+    case PadButton::ButtonY:
+        return Common::Input::ButtonNames::ButtonY;
+    case PadButton::ButtonStart:
+        return Common::Input::ButtonNames::ButtonStart;
+    default:
+        return Common::Input::ButtonNames::Undefined;
+    }
 }
 
-void Adapter::BeginConfiguration() {
-    pad_queue.Clear();
-    configuring = true;
+Common::Input::ButtonNames GCAdapter::GetUIName(const Common::ParamPackage& params) const {
+    if (params.Has("button")) {
+        return GetUIButtonName(params);
+    }
+    if (params.Has("axis")) {
+        return Common::Input::ButtonNames::Value;
+    }
+
+    return Common::Input::ButtonNames::Invalid;
 }
 
-void Adapter::EndConfiguration() {
-    pad_queue.Clear();
-    configuring = false;
-}
-
-Common::SPSCQueue<GCPadStatus>& Adapter::GetPadQueue() {
-    return pad_queue;
-}
-
-const Common::SPSCQueue<GCPadStatus>& Adapter::GetPadQueue() const {
-    return pad_queue;
-}
-
-GCController& Adapter::GetPadState(std::size_t port) {
-    return pads.at(port);
-}
-
-const GCController& Adapter::GetPadState(std::size_t port) const {
-    return pads.at(port);
-}
-
-} // namespace GCAdapter
+} // namespace InputCommon

src/input_common/drivers/gc_adapter.h

@@ -0,0 +1,135 @@
+// Copyright 2014 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <memory>
+#include <mutex>
+#include <stop_token>
+#include <string>
+#include <thread>
+
+#include "input_common/input_engine.h"
+
+struct libusb_context;
+struct libusb_device;
+struct libusb_device_handle;
+
+namespace InputCommon {
+
+class LibUSBContext;
+class LibUSBDeviceHandle;
+
+class GCAdapter : public InputCommon::InputEngine {
+public:
+    explicit GCAdapter(const std::string& input_engine_);
+    ~GCAdapter();
+
+    Common::Input::VibrationError SetRumble(
+        const PadIdentifier& identifier, const Common::Input::VibrationStatus vibration) override;
+
+    /// Used for automapping features
+    std::vector<Common::ParamPackage> GetInputDevices() const override;
+    ButtonMapping GetButtonMappingForDevice(const Common::ParamPackage& params) override;
+    AnalogMapping GetAnalogMappingForDevice(const Common::ParamPackage& params) override;
+    Common::Input::ButtonNames GetUIName(const Common::ParamPackage& params) const override;
+
+private:
+    enum class PadButton {
+        Undefined = 0x0000,
+        ButtonLeft = 0x0001,
+        ButtonRight = 0x0002,
+        ButtonDown = 0x0004,
+        ButtonUp = 0x0008,
+        TriggerZ = 0x0010,
+        TriggerR = 0x0020,
+        TriggerL = 0x0040,
+        ButtonA = 0x0100,
+        ButtonB = 0x0200,
+        ButtonX = 0x0400,
+        ButtonY = 0x0800,
+        ButtonStart = 0x1000,
+    };
+
+    enum class PadAxes : u8 {
+        StickX,
+        StickY,
+        SubstickX,
+        SubstickY,
+        TriggerLeft,
+        TriggerRight,
+        Undefined,
+    };
+
+    enum class ControllerTypes {
+        None,
+        Wired,
+        Wireless,
+    };
+
+    struct GCController {
+        ControllerTypes type = ControllerTypes::None;
+        PadIdentifier identifier{};
+        bool enable_vibration = false;
+        u8 rumble_amplitude{};
+        std::array<u8, 6> axis_origin{};
+        u8 reset_origin_counter{};
+    };
+
+    using AdapterPayload = std::array<u8, 37>;
+
+    void UpdatePadType(std::size_t port, ControllerTypes pad_type);
+    void UpdateControllers(const AdapterPayload& adapter_payload);
+    void UpdateStateButtons(std::size_t port, u8 b1, u8 b2);
+    void UpdateStateAxes(std::size_t port, const AdapterPayload& adapter_payload);
+
+    void AdapterInputThread(std::stop_token stop_token);
+
+    void AdapterScanThread(std::stop_token stop_token);
+
+    bool IsPayloadCorrect(const AdapterPayload& adapter_payload, s32 payload_size);
+
+    /// For use in initialization, querying devices to find the adapter
+    bool Setup();
+
+    /// Returns true if we successfully gain access to GC Adapter
+    bool CheckDeviceAccess();
+
+    /// Captures GC Adapter endpoint address
+    /// Returns true if the endpoint was set correctly
+    bool GetGCEndpoint(libusb_device* device);
+
+    /// Returns true if there is a device connected to port
+    bool DeviceConnected(std::size_t port) const;
+
+    /// For shutting down, clear all data, join all threads, release usb
+    void Reset();
+
+    void UpdateVibrations();
+
+    /// Updates vibration state of all controllers
+    void SendVibrations();
+
+    Common::Input::ButtonNames GetUIButtonName(const Common::ParamPackage& params) const;
+
+    std::unique_ptr<LibUSBDeviceHandle> usb_adapter_handle;
+    std::array<GCController, 4> pads;
+
+    std::jthread adapter_input_thread;
+    std::jthread adapter_scan_thread;
+    bool restart_scan_thread{};
+
+    std::unique_ptr<LibUSBContext> libusb_ctx;
+
+    u8 input_endpoint{0};
+    u8 output_endpoint{0};
+    u8 input_error_counter{0};
+    u8 output_error_counter{0};
+    int vibration_counter{0};
+
+    bool rumble_enabled{true};
+    bool vibration_changed{true};
+};
+} // namespace InputCommon

src/input_common/drivers/keyboard.cpp

@@ -0,0 +1,112 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#include "common/param_package.h"
+#include "common/settings_input.h"
+#include "input_common/drivers/keyboard.h"
+
+namespace InputCommon {
+
+constexpr PadIdentifier key_identifier = {
+    .guid = Common::UUID{Common::INVALID_UUID},
+    .port = 0,
+    .pad = 0,
+};
+constexpr PadIdentifier keyboard_key_identifier = {
+    .guid = Common::UUID{Common::INVALID_UUID},
+    .port = 1,
+    .pad = 0,
+};
+constexpr PadIdentifier keyboard_modifier_identifier = {
+    .guid = Common::UUID{Common::INVALID_UUID},
+    .port = 1,
+    .pad = 1,
+};
+
+Keyboard::Keyboard(const std::string& input_engine_) : InputEngine(input_engine_) {
+    // Keyboard is broken into 3 diferent sets:
+    // key: Unfiltered intended for controllers.
+    // keyboard_key: Allows only Settings::NativeKeyboard::Keys intended for keyboard emulation.
+    // keyboard_modifier: Allows only Settings::NativeKeyboard::Modifiers intended for keyboard
+    // emulation.
+    PreSetController(key_identifier);
+    PreSetController(keyboard_key_identifier);
+    PreSetController(keyboard_modifier_identifier);
+}
+
+void Keyboard::PressKey(int key_code) {
+    SetButton(key_identifier, key_code, true);
+}
+
+void Keyboard::ReleaseKey(int key_code) {
+    SetButton(key_identifier, key_code, false);
+}
+
+void Keyboard::PressKeyboardKey(int key_index) {
+    if (key_index == Settings::NativeKeyboard::None) {
+        return;
+    }
+    SetButton(keyboard_key_identifier, key_index, true);
+}
+
+void Keyboard::ReleaseKeyboardKey(int key_index) {
+    if (key_index == Settings::NativeKeyboard::None) {
+        return;
+    }
+    SetButton(keyboard_key_identifier, key_index, false);
+}
+
+void Keyboard::SetKeyboardModifiers(int key_modifiers) {
+    for (int i = 0; i < 32; ++i) {
+        bool key_value = ((key_modifiers >> i) & 0x1) != 0;
+        SetButton(keyboard_modifier_identifier, i, key_value);
+        // Use the modifier to press the key button equivalent
+        switch (i) {
+        case Settings::NativeKeyboard::LeftControl:
+            SetButton(keyboard_key_identifier, Settings::NativeKeyboard::LeftControlKey, key_value);
+            break;
+        case Settings::NativeKeyboard::LeftShift:
+            SetButton(keyboard_key_identifier, Settings::NativeKeyboard::LeftShiftKey, key_value);
+            break;
+        case Settings::NativeKeyboard::LeftAlt:
+            SetButton(keyboard_key_identifier, Settings::NativeKeyboard::LeftAltKey, key_value);
+            break;
+        case Settings::NativeKeyboard::LeftMeta:
+            SetButton(keyboard_key_identifier, Settings::NativeKeyboard::LeftMetaKey, key_value);
+            break;
+        case Settings::NativeKeyboard::RightControl:
+            SetButton(keyboard_key_identifier, Settings::NativeKeyboard::RightControlKey,
+                      key_value);
+            break;
+        case Settings::NativeKeyboard::RightShift:
+            SetButton(keyboard_key_identifier, Settings::NativeKeyboard::RightShiftKey, key_value);
+            break;
+        case Settings::NativeKeyboard::RightAlt:
+            SetButton(keyboard_key_identifier, Settings::NativeKeyboard::RightAltKey, key_value);
+            break;
+        case Settings::NativeKeyboard::RightMeta:
+            SetButton(keyboard_key_identifier, Settings::NativeKeyboard::RightMetaKey, key_value);
+            break;
+        default:
+            // Other modifier keys should be pressed with PressKey since they stay enabled until
+            // next press
+            break;
+        }
+    }
+}
+
+void Keyboard::ReleaseAllKeys() {
+    ResetButtonState();
+}
+
+std::vector<Common::ParamPackage> Keyboard::GetInputDevices() const {
+    std::vector<Common::ParamPackage> devices;
+    devices.emplace_back(Common::ParamPackage{
+        {"engine", GetEngineName()},
+        {"display", "Keyboard Only"},
+    });
+    return devices;
+}
+
+} // namespace InputCommon

src/input_common/drivers/keyboard.h

@@ -0,0 +1,56 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#pragma once
+
+#include "input_common/input_engine.h"
+
+namespace InputCommon {
+
+/**
+ * A button device factory representing a keyboard. It receives keyboard events and forward them
+ * to all button devices it created.
+ */
+class Keyboard final : public InputCommon::InputEngine {
+public:
+    explicit Keyboard(const std::string& input_engine_);
+
+    /**
+     * Sets the status of all buttons bound with the key to pressed
+     * @param key_code the code of the key to press
+     */
+    void PressKey(int key_code);
+
+    /**
+     * Sets the status of all buttons bound with the key to released
+     * @param key_code the code of the key to release
+     */
+    void ReleaseKey(int key_code);
+
+    /**
+     * Sets the status of the keyboard key to pressed
+     * @param key_index index of the key to press
+     */
+    void PressKeyboardKey(int key_index);
+
+    /**
+     * Sets the status of the keyboard key to released
+     * @param key_index index of the key to release
+     */
+    void ReleaseKeyboardKey(int key_index);
+
+    /**
+     * Sets the status of all keyboard modifier keys
+     * @param key_modifiers the code of the key to release
+     */
+    void SetKeyboardModifiers(int key_modifiers);
+
+    /// Sets all keys to the non pressed state
+    void ReleaseAllKeys();
+
+    /// Used for automapping features
+    std::vector<Common::ParamPackage> GetInputDevices() const override;
+};
+
+} // namespace InputCommon

src/input_common/drivers/mouse.cpp

@@ -0,0 +1,185 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#include <stop_token>
+#include <thread>
+#include <fmt/format.h>
+
+#include "common/param_package.h"
+#include "common/settings.h"
+#include "common/thread.h"
+#include "input_common/drivers/mouse.h"
+
+namespace InputCommon {
+constexpr int mouse_axis_x = 0;
+constexpr int mouse_axis_y = 1;
+constexpr int wheel_axis_x = 2;
+constexpr int wheel_axis_y = 3;
+constexpr int touch_axis_x = 10;
+constexpr int touch_axis_y = 11;
+constexpr PadIdentifier identifier = {
+    .guid = Common::UUID{Common::INVALID_UUID},
+    .port = 0,
+    .pad = 0,
+};
+
+Mouse::Mouse(const std::string& input_engine_) : InputEngine(input_engine_) {
+    PreSetController(identifier);
+    PreSetAxis(identifier, mouse_axis_x);
+    PreSetAxis(identifier, mouse_axis_y);
+    PreSetAxis(identifier, wheel_axis_x);
+    PreSetAxis(identifier, wheel_axis_y);
+    PreSetAxis(identifier, touch_axis_x);
+    PreSetAxis(identifier, touch_axis_x);
+    update_thread = std::jthread([this](std::stop_token stop_token) { UpdateThread(stop_token); });
+}
+
+void Mouse::UpdateThread(std::stop_token stop_token) {
+    Common::SetCurrentThreadName("yuzu:input:Mouse");
+    constexpr int update_time = 10;
+    while (!stop_token.stop_requested()) {
+        if (Settings::values.mouse_panning && !Settings::values.mouse_enabled) {
+            // Slow movement by 4%
+            last_mouse_change *= 0.96f;
+            const float sensitivity =
+                Settings::values.mouse_panning_sensitivity.GetValue() * 0.022f;
+            SetAxis(identifier, mouse_axis_x, last_mouse_change.x * sensitivity);
+            SetAxis(identifier, mouse_axis_y, -last_mouse_change.y * sensitivity);
+        }
+
+        if (mouse_panning_timout++ > 20) {
+            StopPanning();
+        }
+        std::this_thread::sleep_for(std::chrono::milliseconds(update_time));
+    }
+}
+
+void Mouse::MouseMove(int x, int y, f32 touch_x, f32 touch_y, int center_x, int center_y) {
+    // If native mouse is enabled just set the screen coordinates
+    if (Settings::values.mouse_enabled) {
+        SetAxis(identifier, mouse_axis_x, touch_x);
+        SetAxis(identifier, mouse_axis_y, touch_y);
+        return;
+    }
+
+    SetAxis(identifier, touch_axis_x, touch_x);
+    SetAxis(identifier, touch_axis_y, touch_y);
+
+    if (Settings::values.mouse_panning) {
+        auto mouse_change =
+            (Common::MakeVec(x, y) - Common::MakeVec(center_x, center_y)).Cast<float>();
+        mouse_panning_timout = 0;
+
+        const auto move_distance = mouse_change.Length();
+        if (move_distance == 0) {
+            return;
+        }
+
+        // Make slow movements at least 3 units on lenght
+        if (move_distance < 3.0f) {
+            // Normalize value
+            mouse_change /= move_distance;
+            mouse_change *= 3.0f;
+        }
+
+        // Average mouse movements
+        last_mouse_change = (last_mouse_change * 0.91f) + (mouse_change * 0.09f);
+
+        const auto last_move_distance = last_mouse_change.Length();
+
+        // Make fast movements clamp to 8 units on lenght
+        if (last_move_distance > 8.0f) {
+            // Normalize value
+            last_mouse_change /= last_move_distance;
+            last_mouse_change *= 8.0f;
+        }
+
+        // Ignore average if it's less than 1 unit and use current movement value
+        if (last_move_distance < 1.0f) {
+            last_mouse_change = mouse_change / mouse_change.Length();
+        }
+
+        return;
+    }
+
+    if (button_pressed) {
+        const auto mouse_move = Common::MakeVec<int>(x, y) - mouse_origin;
+        const float sensitivity = Settings::values.mouse_panning_sensitivity.GetValue() * 0.0012f;
+        SetAxis(identifier, mouse_axis_x, static_cast<float>(mouse_move.x) * sensitivity);
+        SetAxis(identifier, mouse_axis_y, static_cast<float>(-mouse_move.y) * sensitivity);
+    }
+}
+
+void Mouse::PressButton(int x, int y, f32 touch_x, f32 touch_y, MouseButton button) {
+    SetAxis(identifier, touch_axis_x, touch_x);
+    SetAxis(identifier, touch_axis_y, touch_y);
+    SetButton(identifier, static_cast<int>(button), true);
+    // Set initial analog parameters
+    mouse_origin = {x, y};
+    last_mouse_position = {x, y};
+    button_pressed = true;
+}
+
+void Mouse::ReleaseButton(MouseButton button) {
+    SetButton(identifier, static_cast<int>(button), false);
+
+    if (!Settings::values.mouse_panning && !Settings::values.mouse_enabled) {
+        SetAxis(identifier, mouse_axis_x, 0);
+        SetAxis(identifier, mouse_axis_y, 0);
+    }
+    button_pressed = false;
+}
+
+void Mouse::MouseWheelChange(int x, int y) {
+    wheel_position.x += x;
+    wheel_position.y += y;
+    SetAxis(identifier, wheel_axis_x, static_cast<f32>(wheel_position.x));
+    SetAxis(identifier, wheel_axis_y, static_cast<f32>(wheel_position.y));
+}
+
+void Mouse::ReleaseAllButtons() {
+    ResetButtonState();
+    button_pressed = false;
+}
+
+void Mouse::StopPanning() {
+    last_mouse_change = {};
+}
+
+std::vector<Common::ParamPackage> Mouse::GetInputDevices() const {
+    std::vector<Common::ParamPackage> devices;
+    devices.emplace_back(Common::ParamPackage{
+        {"engine", GetEngineName()},
+        {"display", "Keyboard/Mouse"},
+    });
+    return devices;
+}
+
+AnalogMapping Mouse::GetAnalogMappingForDevice(
+    [[maybe_unused]] const Common::ParamPackage& params) {
+    // Only overwrite different buttons from default
+    AnalogMapping mapping = {};
+    Common::ParamPackage right_analog_params;
+    right_analog_params.Set("engine", GetEngineName());
+    right_analog_params.Set("axis_x", 0);
+    right_analog_params.Set("axis_y", 1);
+    right_analog_params.Set("threshold", 0.5f);
+    right_analog_params.Set("range", 1.0f);
+    right_analog_params.Set("deadzone", 0.0f);
+    mapping.insert_or_assign(Settings::NativeAnalog::RStick, std::move(right_analog_params));
+    return mapping;
+}
+
+Common::Input::ButtonNames Mouse::GetUIName(const Common::ParamPackage& params) const {
+    if (params.Has("button")) {
+        return Common::Input::ButtonNames::Value;
+    }
+    if (params.Has("axis")) {
+        return Common::Input::ButtonNames::Value;
+    }
+
+    return Common::Input::ButtonNames::Invalid;
+}
+
+} // namespace InputCommon

src/input_common/drivers/mouse.h

@@ -0,0 +1,81 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#pragma once
+
+#include <stop_token>
+#include <thread>
+
+#include "common/vector_math.h"
+#include "input_common/input_engine.h"
+
+namespace InputCommon {
+
+enum class MouseButton {
+    Left,
+    Right,
+    Wheel,
+    Backward,
+    Forward,
+    Task,
+    Extra,
+    Undefined,
+};
+
+/**
+ * A button device factory representing a keyboard. It receives keyboard events and forward them
+ * to all button devices it created.
+ */
+class Mouse final : public InputCommon::InputEngine {
+public:
+    explicit Mouse(const std::string& input_engine_);
+
+    /**
+     * Signals that mouse has moved.
+     * @param x the x-coordinate of the cursor
+     * @param y the y-coordinate of the cursor
+     * @param center_x the x-coordinate of the middle of the screen
+     * @param center_y the y-coordinate of the middle of the screen
+     */
+    void MouseMove(int x, int y, f32 touch_x, f32 touch_y, int center_x, int center_y);
+
+    /**
+     * Sets the status of all buttons bound with the key to pressed
+     * @param key_code the code of the key to press
+     */
+    void PressButton(int x, int y, f32 touch_x, f32 touch_y, MouseButton button);
+
+    /**
+     * Sets the status of all buttons bound with the key to released
+     * @param key_code the code of the key to release
+     */
+    void ReleaseButton(MouseButton button);
+
+    /**
+     * Sets the status of the mouse wheel
+     * @param x delta movement in the x direction
+     * @param y delta movement in the y direction
+     */
+    void MouseWheelChange(int x, int y);
+
+    void ReleaseAllButtons();
+
+    std::vector<Common::ParamPackage> GetInputDevices() const override;
+    AnalogMapping GetAnalogMappingForDevice(const Common::ParamPackage& params) override;
+    Common::Input::ButtonNames GetUIName(const Common::ParamPackage& params) const override;
+
+private:
+    void UpdateThread(std::stop_token stop_token);
+    void StopPanning();
+
+    Common::Vec2<int> mouse_origin;
+    Common::Vec2<int> last_mouse_position;
+    Common::Vec2<float> last_mouse_change;
+    Common::Vec2<int> wheel_position;
+    bool button_pressed;
+    int mouse_panning_timout{};
+    std::jthread update_thread;
+};
+
+} // namespace InputCommon

src/input_common/drivers/sdl_driver.cpp

@@ -0,0 +1,924 @@
+// Copyright 2018 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/logging/log.h"
+#include "common/math_util.h"
+#include "common/param_package.h"
+#include "common/settings.h"
+#include "common/thread.h"
+#include "common/vector_math.h"
+#include "input_common/drivers/sdl_driver.h"
+
+namespace InputCommon {
+
+namespace {
+std::string GetGUID(SDL_Joystick* joystick) {
+    const SDL_JoystickGUID guid = SDL_JoystickGetGUID(joystick);
+    char guid_str[33];
+    SDL_JoystickGetGUIDString(guid, guid_str, sizeof(guid_str));
+    return guid_str;
+}
+} // Anonymous namespace
+
+static int SDLEventWatcher(void* user_data, SDL_Event* event) {
+    auto* const sdl_state = static_cast<SDLDriver*>(user_data);
+
+    sdl_state->HandleGameControllerEvent(*event);
+
+    return 0;
+}
+
+class SDLJoystick {
+public:
+    SDLJoystick(std::string guid_, int port_, SDL_Joystick* joystick,
+                SDL_GameController* game_controller)
+        : guid{std::move(guid_)}, port{port_}, sdl_joystick{joystick, &SDL_JoystickClose},
+          sdl_controller{game_controller, &SDL_GameControllerClose} {
+        EnableMotion();
+    }
+
+    void EnableMotion() {
+        if (sdl_controller) {
+            SDL_GameController* controller = sdl_controller.get();
+            if (SDL_GameControllerHasSensor(controller, SDL_SENSOR_ACCEL) && !has_accel) {
+                SDL_GameControllerSetSensorEnabled(controller, SDL_SENSOR_ACCEL, SDL_TRUE);
+                has_accel = true;
+            }
+            if (SDL_GameControllerHasSensor(controller, SDL_SENSOR_GYRO) && !has_gyro) {
+                SDL_GameControllerSetSensorEnabled(controller, SDL_SENSOR_GYRO, SDL_TRUE);
+                has_gyro = true;
+            }
+        }
+    }
+
+    bool HasGyro() const {
+        return has_gyro;
+    }
+
+    bool HasAccel() const {
+        return has_accel;
+    }
+
+    bool UpdateMotion(SDL_ControllerSensorEvent event) {
+        constexpr float gravity_constant = 9.80665f;
+        std::lock_guard lock{mutex};
+        const u64 time_difference = event.timestamp - last_motion_update;
+        last_motion_update = event.timestamp;
+        switch (event.sensor) {
+        case SDL_SENSOR_ACCEL: {
+            motion.accel_x = -event.data[0] / gravity_constant;
+            motion.accel_y = event.data[2] / gravity_constant;
+            motion.accel_z = -event.data[1] / gravity_constant;
+            break;
+        }
+        case SDL_SENSOR_GYRO: {
+            motion.gyro_x = event.data[0] / (Common::PI * 2);
+            motion.gyro_y = -event.data[2] / (Common::PI * 2);
+            motion.gyro_z = event.data[1] / (Common::PI * 2);
+            break;
+        }
+        }
+
+        // Ignore duplicated timestamps
+        if (time_difference == 0) {
+            return false;
+        }
+        motion.delta_timestamp = time_difference * 1000;
+        return true;
+    }
+
+    BasicMotion GetMotion() {
+        return motion;
+    }
+
+    bool RumblePlay(const Common::Input::VibrationStatus vibration) {
+        constexpr u32 rumble_max_duration_ms = 1000;
+        if (sdl_controller) {
+            return SDL_GameControllerRumble(
+                       sdl_controller.get(), static_cast<u16>(vibration.low_amplitude),
+                       static_cast<u16>(vibration.high_amplitude), rumble_max_duration_ms) != -1;
+        } else if (sdl_joystick) {
+            return SDL_JoystickRumble(sdl_joystick.get(), static_cast<u16>(vibration.low_amplitude),
+                                      static_cast<u16>(vibration.high_amplitude),
+                                      rumble_max_duration_ms) != -1;
+        }
+
+        return false;
+    }
+
+    bool HasHDRumble() const {
+        if (sdl_controller) {
+            return (SDL_GameControllerGetType(sdl_controller.get()) ==
+                    SDL_CONTROLLER_TYPE_NINTENDO_SWITCH_PRO);
+        }
+        return false;
+    }
+    /**
+     * The Pad identifier of the joystick
+     */
+    const PadIdentifier GetPadIdentifier() const {
+        return {
+            .guid = Common::UUID{guid},
+            .port = static_cast<std::size_t>(port),
+            .pad = 0,
+        };
+    }
+
+    /**
+     * The guid of the joystick
+     */
+    const std::string& GetGUID() const {
+        return guid;
+    }
+
+    /**
+     * The number of joystick from the same type that were connected before this joystick
+     */
+    int GetPort() const {
+        return port;
+    }
+
+    SDL_Joystick* GetSDLJoystick() const {
+        return sdl_joystick.get();
+    }
+
+    SDL_GameController* GetSDLGameController() const {
+        return sdl_controller.get();
+    }
+
+    void SetSDLJoystick(SDL_Joystick* joystick, SDL_GameController* controller) {
+        sdl_joystick.reset(joystick);
+        sdl_controller.reset(controller);
+    }
+
+    bool IsJoyconLeft() const {
+        const std::string controller_name = GetControllerName();
+        if (std::strstr(controller_name.c_str(), "Joy-Con Left") != nullptr) {
+            return true;
+        }
+        if (std::strstr(controller_name.c_str(), "Joy-Con (L)") != nullptr) {
+            return true;
+        }
+        return false;
+    }
+
+    bool IsJoyconRight() const {
+        const std::string controller_name = GetControllerName();
+        if (std::strstr(controller_name.c_str(), "Joy-Con Right") != nullptr) {
+            return true;
+        }
+        if (std::strstr(controller_name.c_str(), "Joy-Con (R)") != nullptr) {
+            return true;
+        }
+        return false;
+    }
+
+    BatteryLevel GetBatteryLevel() {
+        const auto level = SDL_JoystickCurrentPowerLevel(sdl_joystick.get());
+        switch (level) {
+        case SDL_JOYSTICK_POWER_EMPTY:
+            return BatteryLevel::Empty;
+        case SDL_JOYSTICK_POWER_LOW:
+            return BatteryLevel::Critical;
+        case SDL_JOYSTICK_POWER_MEDIUM:
+            return BatteryLevel::Low;
+        case SDL_JOYSTICK_POWER_FULL:
+            return BatteryLevel::Medium;
+        case SDL_JOYSTICK_POWER_MAX:
+            return BatteryLevel::Full;
+        case SDL_JOYSTICK_POWER_UNKNOWN:
+        case SDL_JOYSTICK_POWER_WIRED:
+        default:
+            return BatteryLevel::Charging;
+        }
+    }
+
+    std::string GetControllerName() const {
+        if (sdl_controller) {
+            switch (SDL_GameControllerGetType(sdl_controller.get())) {
+            case SDL_CONTROLLER_TYPE_XBOX360:
+                return "XBox 360 Controller";
+            case SDL_CONTROLLER_TYPE_XBOXONE:
+                return "XBox One Controller";
+            default:
+                break;
+            }
+            const auto name = SDL_GameControllerName(sdl_controller.get());
+            if (name) {
+                return name;
+            }
+        }
+
+        if (sdl_joystick) {
+            const auto name = SDL_JoystickName(sdl_joystick.get());
+            if (name) {
+                return name;
+            }
+        }
+
+        return "Unknown";
+    }
+
+private:
+    std::string guid;
+    int port;
+    std::unique_ptr<SDL_Joystick, decltype(&SDL_JoystickClose)> sdl_joystick;
+    std::unique_ptr<SDL_GameController, decltype(&SDL_GameControllerClose)> sdl_controller;
+    mutable std::mutex mutex;
+
+    u64 last_motion_update{};
+    bool has_gyro{false};
+    bool has_accel{false};
+    BasicMotion motion;
+};
+
+std::shared_ptr<SDLJoystick> SDLDriver::GetSDLJoystickByGUID(const std::string& guid, int port) {
+    std::lock_guard lock{joystick_map_mutex};
+    const auto it = joystick_map.find(guid);
+
+    if (it != joystick_map.end()) {
+        while (it->second.size() <= static_cast<std::size_t>(port)) {
+            auto joystick = std::make_shared<SDLJoystick>(guid, static_cast<int>(it->second.size()),
+                                                          nullptr, nullptr);
+            it->second.emplace_back(std::move(joystick));
+        }
+
+        return it->second[static_cast<std::size_t>(port)];
+    }
+
+    auto joystick = std::make_shared<SDLJoystick>(guid, 0, nullptr, nullptr);
+
+    return joystick_map[guid].emplace_back(std::move(joystick));
+}
+
+std::shared_ptr<SDLJoystick> SDLDriver::GetSDLJoystickBySDLID(SDL_JoystickID sdl_id) {
+    auto sdl_joystick = SDL_JoystickFromInstanceID(sdl_id);
+    const std::string guid = GetGUID(sdl_joystick);
+
+    std::lock_guard lock{joystick_map_mutex};
+    const auto map_it = joystick_map.find(guid);
+
+    if (map_it == joystick_map.end()) {
+        return nullptr;
+    }
+
+    const auto vec_it = std::find_if(map_it->second.begin(), map_it->second.end(),
+                                     [&sdl_joystick](const auto& joystick) {
+                                         return joystick->GetSDLJoystick() == sdl_joystick;
+                                     });
+
+    if (vec_it == map_it->second.end()) {
+        return nullptr;
+    }
+
+    return *vec_it;
+}
+
+void SDLDriver::InitJoystick(int joystick_index) {
+    SDL_Joystick* sdl_joystick = SDL_JoystickOpen(joystick_index);
+    SDL_GameController* sdl_gamecontroller = nullptr;
+
+    if (SDL_IsGameController(joystick_index)) {
+        sdl_gamecontroller = SDL_GameControllerOpen(joystick_index);
+    }
+
+    if (!sdl_joystick) {
+        LOG_ERROR(Input, "Failed to open joystick {}", joystick_index);
+        return;
+    }
+
+    const std::string guid = GetGUID(sdl_joystick);
+
+    std::lock_guard lock{joystick_map_mutex};
+    if (joystick_map.find(guid) == joystick_map.end()) {
+        auto joystick = std::make_shared<SDLJoystick>(guid, 0, sdl_joystick, sdl_gamecontroller);
+        PreSetController(joystick->GetPadIdentifier());
+        SetBattery(joystick->GetPadIdentifier(), joystick->GetBatteryLevel());
+        joystick_map[guid].emplace_back(std::move(joystick));
+        return;
+    }
+
+    auto& joystick_guid_list = joystick_map[guid];
+    const auto joystick_it =
+        std::find_if(joystick_guid_list.begin(), joystick_guid_list.end(),
+                     [](const auto& joystick) { return !joystick->GetSDLJoystick(); });
+
+    if (joystick_it != joystick_guid_list.end()) {
+        (*joystick_it)->SetSDLJoystick(sdl_joystick, sdl_gamecontroller);
+        return;
+    }
+
+    const int port = static_cast<int>(joystick_guid_list.size());
+    auto joystick = std::make_shared<SDLJoystick>(guid, port, sdl_joystick, sdl_gamecontroller);
+    PreSetController(joystick->GetPadIdentifier());
+    SetBattery(joystick->GetPadIdentifier(), joystick->GetBatteryLevel());
+    joystick_guid_list.emplace_back(std::move(joystick));
+}
+
+void SDLDriver::CloseJoystick(SDL_Joystick* sdl_joystick) {
+    const std::string guid = GetGUID(sdl_joystick);
+
+    std::lock_guard lock{joystick_map_mutex};
+    // This call to guid is safe since the joystick is guaranteed to be in the map
+    const auto& joystick_guid_list = joystick_map[guid];
+    const auto joystick_it = std::find_if(joystick_guid_list.begin(), joystick_guid_list.end(),
+                                          [&sdl_joystick](const auto& joystick) {
+                                              return joystick->GetSDLJoystick() == sdl_joystick;
+                                          });
+
+    if (joystick_it != joystick_guid_list.end()) {
+        (*joystick_it)->SetSDLJoystick(nullptr, nullptr);
+    }
+}
+
+void SDLDriver::HandleGameControllerEvent(const SDL_Event& event) {
+    switch (event.type) {
+    case SDL_JOYBUTTONUP: {
+        if (const auto joystick = GetSDLJoystickBySDLID(event.jbutton.which)) {
+            const PadIdentifier identifier = joystick->GetPadIdentifier();
+            SetButton(identifier, event.jbutton.button, false);
+        }
+        break;
+    }
+    case SDL_JOYBUTTONDOWN: {
+        if (const auto joystick = GetSDLJoystickBySDLID(event.jbutton.which)) {
+            const PadIdentifier identifier = joystick->GetPadIdentifier();
+            SetButton(identifier, event.jbutton.button, true);
+        }
+        break;
+    }
+    case SDL_JOYHATMOTION: {
+        if (const auto joystick = GetSDLJoystickBySDLID(event.jhat.which)) {
+            const PadIdentifier identifier = joystick->GetPadIdentifier();
+            SetHatButton(identifier, event.jhat.hat, event.jhat.value);
+        }
+        break;
+    }
+    case SDL_JOYAXISMOTION: {
+        if (const auto joystick = GetSDLJoystickBySDLID(event.jaxis.which)) {
+            const PadIdentifier identifier = joystick->GetPadIdentifier();
+            SetAxis(identifier, event.jaxis.axis, event.jaxis.value / 32767.0f);
+        }
+        break;
+    }
+    case SDL_CONTROLLERSENSORUPDATE: {
+        if (auto joystick = GetSDLJoystickBySDLID(event.csensor.which)) {
+            if (joystick->UpdateMotion(event.csensor)) {
+                const PadIdentifier identifier = joystick->GetPadIdentifier();
+                SetMotion(identifier, 0, joystick->GetMotion());
+            };
+        }
+        break;
+    }
+    case SDL_JOYDEVICEREMOVED:
+        LOG_DEBUG(Input, "Controller removed with Instance_ID {}", event.jdevice.which);
+        CloseJoystick(SDL_JoystickFromInstanceID(event.jdevice.which));
+        break;
+    case SDL_JOYDEVICEADDED:
+        LOG_DEBUG(Input, "Controller connected with device index {}", event.jdevice.which);
+        InitJoystick(event.jdevice.which);
+        break;
+    }
+}
+
+void SDLDriver::CloseJoysticks() {
+    std::lock_guard lock{joystick_map_mutex};
+    joystick_map.clear();
+}
+
+SDLDriver::SDLDriver(const std::string& input_engine_) : InputEngine(input_engine_) {
+    Common::SetCurrentThreadName("yuzu:input:SDL");
+
+    if (!Settings::values.enable_raw_input) {
+        // Disable raw input. When enabled this setting causes SDL to die when a web applet opens
+        SDL_SetHint(SDL_HINT_JOYSTICK_RAWINPUT, "0");
+    }
+
+    // Prevent SDL from adding undesired axis
+    SDL_SetHint(SDL_HINT_ACCELEROMETER_AS_JOYSTICK, "0");
+
+    // Enable HIDAPI rumble. This prevents SDL from disabling motion on PS4 and PS5 controllers
+    SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_PS4_RUMBLE, "1");
+    SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_PS5_RUMBLE, "1");
+    SDL_SetHint(SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS, "1");
+
+    // Use hidapi driver for joycons. This will allow joycons to be detected as a GameController and
+    // not a generic one
+    SDL_SetHint("SDL_JOYSTICK_HIDAPI_JOY_CONS", "1");
+
+    // Turn off Pro controller home led
+    SDL_SetHint("SDL_JOYSTICK_HIDAPI_SWITCH_HOME_LED", "0");
+
+    // If the frontend is going to manage the event loop, then we don't start one here
+    start_thread = SDL_WasInit(SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER) == 0;
+    if (start_thread && SDL_Init(SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER) < 0) {
+        LOG_CRITICAL(Input, "SDL_Init failed with: {}", SDL_GetError());
+        return;
+    }
+
+    SDL_AddEventWatch(&SDLEventWatcher, this);
+
+    initialized = true;
+    if (start_thread) {
+        poll_thread = std::thread([this] {
+            using namespace std::chrono_literals;
+            while (initialized) {
+                SDL_PumpEvents();
+                std::this_thread::sleep_for(1ms);
+            }
+        });
+    }
+    // Because the events for joystick connection happens before we have our event watcher added, we
+    // can just open all the joysticks right here
+    for (int i = 0; i < SDL_NumJoysticks(); ++i) {
+        InitJoystick(i);
+    }
+}
+
+SDLDriver::~SDLDriver() {
+    CloseJoysticks();
+    SDL_DelEventWatch(&SDLEventWatcher, this);
+
+    initialized = false;
+    if (start_thread) {
+        poll_thread.join();
+        SDL_QuitSubSystem(SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER);
+    }
+}
+
+std::vector<Common::ParamPackage> SDLDriver::GetInputDevices() const {
+    std::vector<Common::ParamPackage> devices;
+    std::unordered_map<int, std::shared_ptr<SDLJoystick>> joycon_pairs;
+    for (const auto& [key, value] : joystick_map) {
+        for (const auto& joystick : value) {
+            if (!joystick->GetSDLJoystick()) {
+                continue;
+            }
+            const std::string name =
+                fmt::format("{} {}", joystick->GetControllerName(), joystick->GetPort());
+            devices.emplace_back(Common::ParamPackage{
+                {"engine", GetEngineName()},
+                {"display", std::move(name)},
+                {"guid", joystick->GetGUID()},
+                {"port", std::to_string(joystick->GetPort())},
+            });
+            if (joystick->IsJoyconLeft()) {
+                joycon_pairs.insert_or_assign(joystick->GetPort(), joystick);
+            }
+        }
+    }
+
+    // Add dual controllers
+    for (const auto& [key, value] : joystick_map) {
+        for (const auto& joystick : value) {
+            if (joystick->IsJoyconRight()) {
+                if (!joycon_pairs.contains(joystick->GetPort())) {
+                    continue;
+                }
+                const auto joystick2 = joycon_pairs.at(joystick->GetPort());
+
+                const std::string name =
+                    fmt::format("{} {}", "Nintendo Dual Joy-Con", joystick->GetPort());
+                devices.emplace_back(Common::ParamPackage{
+                    {"engine", GetEngineName()},
+                    {"display", std::move(name)},
+                    {"guid", joystick->GetGUID()},
+                    {"guid2", joystick2->GetGUID()},
+                    {"port", std::to_string(joystick->GetPort())},
+                });
+            }
+        }
+    }
+    return devices;
+}
+Common::Input::VibrationError SDLDriver::SetRumble(const PadIdentifier& identifier,
+                                                   const Common::Input::VibrationStatus vibration) {
+    const auto joystick =
+        GetSDLJoystickByGUID(identifier.guid.Format(), static_cast<int>(identifier.port));
+    const auto process_amplitude_exp = [](f32 amplitude, f32 factor) {
+        return (amplitude + std::pow(amplitude, factor)) * 0.5f * 0xFFFF;
+    };
+
+    // Default exponential curve for rumble
+    f32 factor = 0.35f;
+
+    // If vibration is set as a linear output use a flatter value
+    if (vibration.type == Common::Input::VibrationAmplificationType::Linear) {
+        factor = 0.5f;
+    }
+
+    // Amplitude for HD rumble needs no modification
+    if (joystick->HasHDRumble()) {
+        factor = 1.0f;
+    }
+
+    const Common::Input::VibrationStatus new_vibration{
+        .low_amplitude = process_amplitude_exp(vibration.low_amplitude, factor),
+        .low_frequency = vibration.low_frequency,
+        .high_amplitude = process_amplitude_exp(vibration.high_amplitude, factor),
+        .high_frequency = vibration.high_frequency,
+        .type = Common::Input::VibrationAmplificationType::Exponential,
+    };
+
+    if (!joystick->RumblePlay(new_vibration)) {
+        return Common::Input::VibrationError::Unknown;
+    }
+
+    return Common::Input::VibrationError::None;
+}
+Common::ParamPackage SDLDriver::BuildAnalogParamPackageForButton(int port, std::string guid,
+                                                                 s32 axis, float value) const {
+    Common::ParamPackage params{};
+    params.Set("engine", GetEngineName());
+    params.Set("port", port);
+    params.Set("guid", std::move(guid));
+    params.Set("axis", axis);
+    params.Set("threshold", "0.5");
+    params.Set("invert", value < 0 ? "-" : "+");
+    return params;
+}
+
+Common::ParamPackage SDLDriver::BuildButtonParamPackageForButton(int port, std::string guid,
+                                                                 s32 button) const {
+    Common::ParamPackage params{};
+    params.Set("engine", GetEngineName());
+    params.Set("port", port);
+    params.Set("guid", std::move(guid));
+    params.Set("button", button);
+    return params;
+}
+
+Common::ParamPackage SDLDriver::BuildHatParamPackageForButton(int port, std::string guid, s32 hat,
+                                                              u8 value) const {
+    Common::ParamPackage params{};
+    params.Set("engine", GetEngineName());
+    params.Set("port", port);
+    params.Set("guid", std::move(guid));
+    params.Set("hat", hat);
+    params.Set("direction", GetHatButtonName(value));
+    return params;
+}
+
+Common::ParamPackage SDLDriver::BuildMotionParam(int port, std::string guid) const {
+    Common::ParamPackage params{};
+    params.Set("engine", GetEngineName());
+    params.Set("motion", 0);
+    params.Set("port", port);
+    params.Set("guid", std::move(guid));
+    return params;
+}
+
+Common::ParamPackage SDLDriver::BuildParamPackageForBinding(
+    int port, const std::string& guid, const SDL_GameControllerButtonBind& binding) const {
+    switch (binding.bindType) {
+    case SDL_CONTROLLER_BINDTYPE_NONE:
+        break;
+    case SDL_CONTROLLER_BINDTYPE_AXIS:
+        return BuildAnalogParamPackageForButton(port, guid, binding.value.axis);
+    case SDL_CONTROLLER_BINDTYPE_BUTTON:
+        return BuildButtonParamPackageForButton(port, guid, binding.value.button);
+    case SDL_CONTROLLER_BINDTYPE_HAT:
+        return BuildHatParamPackageForButton(port, guid, binding.value.hat.hat,
+                                             static_cast<u8>(binding.value.hat.hat_mask));
+    }
+    return {};
+}
+
+Common::ParamPackage SDLDriver::BuildParamPackageForAnalog(PadIdentifier identifier, int axis_x,
+                                                           int axis_y, float offset_x,
+                                                           float offset_y) const {
+    Common::ParamPackage params;
+    params.Set("engine", GetEngineName());
+    params.Set("port", static_cast<int>(identifier.port));
+    params.Set("guid", identifier.guid.Format());
+    params.Set("axis_x", axis_x);
+    params.Set("axis_y", axis_y);
+    params.Set("offset_x", offset_x);
+    params.Set("offset_y", offset_y);
+    params.Set("invert_x", "+");
+    params.Set("invert_y", "+");
+    return params;
+}
+
+ButtonMapping SDLDriver::GetButtonMappingForDevice(const Common::ParamPackage& params) {
+    if (!params.Has("guid") || !params.Has("port")) {
+        return {};
+    }
+    const auto joystick = GetSDLJoystickByGUID(params.Get("guid", ""), params.Get("port", 0));
+
+    auto* controller = joystick->GetSDLGameController();
+    if (controller == nullptr) {
+        return {};
+    }
+
+    // This list is missing ZL/ZR since those are not considered buttons in SDL GameController.
+    // We will add those afterwards
+    // This list also excludes Screenshot since theres not really a mapping for that
+    ButtonBindings switch_to_sdl_button;
+
+    if (SDL_GameControllerGetType(controller) == SDL_CONTROLLER_TYPE_NINTENDO_SWITCH_PRO) {
+        switch_to_sdl_button = GetNintendoButtonBinding(joystick);
+    } else {
+        switch_to_sdl_button = GetDefaultButtonBinding();
+    }
+
+    // Add the missing bindings for ZL/ZR
+    static constexpr ZButtonBindings switch_to_sdl_axis{{
+        {Settings::NativeButton::ZL, SDL_CONTROLLER_AXIS_TRIGGERLEFT},
+        {Settings::NativeButton::ZR, SDL_CONTROLLER_AXIS_TRIGGERRIGHT},
+    }};
+
+    // Parameters contain two joysticks return dual
+    if (params.Has("guid2")) {
+        const auto joystick2 = GetSDLJoystickByGUID(params.Get("guid2", ""), params.Get("port", 0));
+
+        if (joystick2->GetSDLGameController() != nullptr) {
+            return GetDualControllerMapping(joystick, joystick2, switch_to_sdl_button,
+                                            switch_to_sdl_axis);
+        }
+    }
+
+    return GetSingleControllerMapping(joystick, switch_to_sdl_button, switch_to_sdl_axis);
+}
+
+ButtonBindings SDLDriver::GetDefaultButtonBinding() const {
+    return {
+        std::pair{Settings::NativeButton::A, SDL_CONTROLLER_BUTTON_B},
+        {Settings::NativeButton::B, SDL_CONTROLLER_BUTTON_A},
+        {Settings::NativeButton::X, SDL_CONTROLLER_BUTTON_Y},
+        {Settings::NativeButton::Y, SDL_CONTROLLER_BUTTON_X},
+        {Settings::NativeButton::LStick, SDL_CONTROLLER_BUTTON_LEFTSTICK},
+        {Settings::NativeButton::RStick, SDL_CONTROLLER_BUTTON_RIGHTSTICK},
+        {Settings::NativeButton::L, SDL_CONTROLLER_BUTTON_LEFTSHOULDER},
+        {Settings::NativeButton::R, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER},
+        {Settings::NativeButton::Plus, SDL_CONTROLLER_BUTTON_START},
+        {Settings::NativeButton::Minus, SDL_CONTROLLER_BUTTON_BACK},
+        {Settings::NativeButton::DLeft, SDL_CONTROLLER_BUTTON_DPAD_LEFT},
+        {Settings::NativeButton::DUp, SDL_CONTROLLER_BUTTON_DPAD_UP},
+        {Settings::NativeButton::DRight, SDL_CONTROLLER_BUTTON_DPAD_RIGHT},
+        {Settings::NativeButton::DDown, SDL_CONTROLLER_BUTTON_DPAD_DOWN},
+        {Settings::NativeButton::SL, SDL_CONTROLLER_BUTTON_LEFTSHOULDER},
+        {Settings::NativeButton::SR, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER},
+        {Settings::NativeButton::Home, SDL_CONTROLLER_BUTTON_GUIDE},
+    };
+}
+
+ButtonBindings SDLDriver::GetNintendoButtonBinding(
+    const std::shared_ptr<SDLJoystick>& joystick) const {
+    // Default SL/SR mapping for pro controllers
+    auto sl_button = SDL_CONTROLLER_BUTTON_LEFTSHOULDER;
+    auto sr_button = SDL_CONTROLLER_BUTTON_RIGHTSHOULDER;
+
+    if (joystick->IsJoyconLeft()) {
+        sl_button = SDL_CONTROLLER_BUTTON_PADDLE2;
+        sr_button = SDL_CONTROLLER_BUTTON_PADDLE4;
+    }
+    if (joystick->IsJoyconRight()) {
+        sl_button = SDL_CONTROLLER_BUTTON_PADDLE3;
+        sr_button = SDL_CONTROLLER_BUTTON_PADDLE1;
+    }
+
+    return {
+        std::pair{Settings::NativeButton::A, SDL_CONTROLLER_BUTTON_A},
+        {Settings::NativeButton::B, SDL_CONTROLLER_BUTTON_B},
+        {Settings::NativeButton::X, SDL_CONTROLLER_BUTTON_X},
+        {Settings::NativeButton::Y, SDL_CONTROLLER_BUTTON_Y},
+        {Settings::NativeButton::LStick, SDL_CONTROLLER_BUTTON_LEFTSTICK},
+        {Settings::NativeButton::RStick, SDL_CONTROLLER_BUTTON_RIGHTSTICK},
+        {Settings::NativeButton::L, SDL_CONTROLLER_BUTTON_LEFTSHOULDER},
+        {Settings::NativeButton::R, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER},
+        {Settings::NativeButton::Plus, SDL_CONTROLLER_BUTTON_START},
+        {Settings::NativeButton::Minus, SDL_CONTROLLER_BUTTON_BACK},
+        {Settings::NativeButton::DLeft, SDL_CONTROLLER_BUTTON_DPAD_LEFT},
+        {Settings::NativeButton::DUp, SDL_CONTROLLER_BUTTON_DPAD_UP},
+        {Settings::NativeButton::DRight, SDL_CONTROLLER_BUTTON_DPAD_RIGHT},
+        {Settings::NativeButton::DDown, SDL_CONTROLLER_BUTTON_DPAD_DOWN},
+        {Settings::NativeButton::SL, sl_button},
+        {Settings::NativeButton::SR, sr_button},
+        {Settings::NativeButton::Home, SDL_CONTROLLER_BUTTON_GUIDE},
+    };
+}
+
+ButtonMapping SDLDriver::GetSingleControllerMapping(
+    const std::shared_ptr<SDLJoystick>& joystick, const ButtonBindings& switch_to_sdl_button,
+    const ZButtonBindings& switch_to_sdl_axis) const {
+    ButtonMapping mapping;
+    mapping.reserve(switch_to_sdl_button.size() + switch_to_sdl_axis.size());
+    auto* controller = joystick->GetSDLGameController();
+
+    for (const auto& [switch_button, sdl_button] : switch_to_sdl_button) {
+        const auto& binding = SDL_GameControllerGetBindForButton(controller, sdl_button);
+        mapping.insert_or_assign(
+            switch_button,
+            BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding));
+    }
+    for (const auto& [switch_button, sdl_axis] : switch_to_sdl_axis) {
+        const auto& binding = SDL_GameControllerGetBindForAxis(controller, sdl_axis);
+        mapping.insert_or_assign(
+            switch_button,
+            BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding));
+    }
+
+    return mapping;
+}
+
+ButtonMapping SDLDriver::GetDualControllerMapping(const std::shared_ptr<SDLJoystick>& joystick,
+                                                  const std::shared_ptr<SDLJoystick>& joystick2,
+                                                  const ButtonBindings& switch_to_sdl_button,
+                                                  const ZButtonBindings& switch_to_sdl_axis) const {
+    ButtonMapping mapping;
+    mapping.reserve(switch_to_sdl_button.size() + switch_to_sdl_axis.size());
+    auto* controller = joystick->GetSDLGameController();
+    auto* controller2 = joystick2->GetSDLGameController();
+
+    for (const auto& [switch_button, sdl_button] : switch_to_sdl_button) {
+        if (IsButtonOnLeftSide(switch_button)) {
+            const auto& binding = SDL_GameControllerGetBindForButton(controller2, sdl_button);
+            mapping.insert_or_assign(
+                switch_button,
+                BuildParamPackageForBinding(joystick2->GetPort(), joystick2->GetGUID(), binding));
+            continue;
+        }
+        const auto& binding = SDL_GameControllerGetBindForButton(controller, sdl_button);
+        mapping.insert_or_assign(
+            switch_button,
+            BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding));
+    }
+    for (const auto& [switch_button, sdl_axis] : switch_to_sdl_axis) {
+        if (IsButtonOnLeftSide(switch_button)) {
+            const auto& binding = SDL_GameControllerGetBindForAxis(controller2, sdl_axis);
+            mapping.insert_or_assign(
+                switch_button,
+                BuildParamPackageForBinding(joystick2->GetPort(), joystick2->GetGUID(), binding));
+            continue;
+        }
+        const auto& binding = SDL_GameControllerGetBindForAxis(controller, sdl_axis);
+        mapping.insert_or_assign(
+            switch_button,
+            BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding));
+    }
+
+    return mapping;
+}
+
+bool SDLDriver::IsButtonOnLeftSide(Settings::NativeButton::Values button) const {
+    switch (button) {
+    case Settings::NativeButton::DDown:
+    case Settings::NativeButton::DLeft:
+    case Settings::NativeButton::DRight:
+    case Settings::NativeButton::DUp:
+    case Settings::NativeButton::L:
+    case Settings::NativeButton::LStick:
+    case Settings::NativeButton::Minus:
+    case Settings::NativeButton::Screenshot:
+    case Settings::NativeButton::ZL:
+        return true;
+    default:
+        return false;
+    }
+}
+
+AnalogMapping SDLDriver::GetAnalogMappingForDevice(const Common::ParamPackage& params) {
+    if (!params.Has("guid") || !params.Has("port")) {
+        return {};
+    }
+    const auto joystick = GetSDLJoystickByGUID(params.Get("guid", ""), params.Get("port", 0));
+    const auto joystick2 = GetSDLJoystickByGUID(params.Get("guid2", ""), params.Get("port", 0));
+    auto* controller = joystick->GetSDLGameController();
+    if (controller == nullptr) {
+        return {};
+    }
+
+    AnalogMapping mapping = {};
+    const auto& binding_left_x =
+        SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_LEFTX);
+    const auto& binding_left_y =
+        SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_LEFTY);
+    if (params.Has("guid2")) {
+        const auto identifier = joystick2->GetPadIdentifier();
+        PreSetController(identifier);
+        PreSetAxis(identifier, binding_left_x.value.axis);
+        PreSetAxis(identifier, binding_left_y.value.axis);
+        const auto left_offset_x = -GetAxis(identifier, binding_left_x.value.axis);
+        const auto left_offset_y = -GetAxis(identifier, binding_left_y.value.axis);
+        mapping.insert_or_assign(Settings::NativeAnalog::LStick,
+                                 BuildParamPackageForAnalog(identifier, binding_left_x.value.axis,
+                                                            binding_left_y.value.axis,
+                                                            left_offset_x, left_offset_y));
+    } else {
+        const auto identifier = joystick->GetPadIdentifier();
+        PreSetController(identifier);
+        PreSetAxis(identifier, binding_left_x.value.axis);
+        PreSetAxis(identifier, binding_left_y.value.axis);
+        const auto left_offset_x = -GetAxis(identifier, binding_left_x.value.axis);
+        const auto left_offset_y = -GetAxis(identifier, binding_left_y.value.axis);
+        mapping.insert_or_assign(Settings::NativeAnalog::LStick,
+                                 BuildParamPackageForAnalog(identifier, binding_left_x.value.axis,
+                                                            binding_left_y.value.axis,
+                                                            left_offset_x, left_offset_y));
+    }
+    const auto& binding_right_x =
+        SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_RIGHTX);
+    const auto& binding_right_y =
+        SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_RIGHTY);
+    const auto identifier = joystick->GetPadIdentifier();
+    PreSetController(identifier);
+    PreSetAxis(identifier, binding_right_x.value.axis);
+    PreSetAxis(identifier, binding_right_y.value.axis);
+    const auto right_offset_x = -GetAxis(identifier, binding_right_x.value.axis);
+    const auto right_offset_y = -GetAxis(identifier, binding_right_y.value.axis);
+    mapping.insert_or_assign(Settings::NativeAnalog::RStick,
+                             BuildParamPackageForAnalog(identifier, binding_right_x.value.axis,
+                                                        binding_right_y.value.axis, right_offset_x,
+                                                        right_offset_y));
+    return mapping;
+}
+
+MotionMapping SDLDriver::GetMotionMappingForDevice(const Common::ParamPackage& params) {
+    if (!params.Has("guid") || !params.Has("port")) {
+        return {};
+    }
+    const auto joystick = GetSDLJoystickByGUID(params.Get("guid", ""), params.Get("port", 0));
+    const auto joystick2 = GetSDLJoystickByGUID(params.Get("guid2", ""), params.Get("port", 0));
+    auto* controller = joystick->GetSDLGameController();
+    if (controller == nullptr) {
+        return {};
+    }
+
+    MotionMapping mapping = {};
+    joystick->EnableMotion();
+
+    if (joystick->HasGyro() || joystick->HasAccel()) {
+        mapping.insert_or_assign(Settings::NativeMotion::MotionRight,
+                                 BuildMotionParam(joystick->GetPort(), joystick->GetGUID()));
+    }
+    if (params.Has("guid2")) {
+        joystick2->EnableMotion();
+        if (joystick2->HasGyro() || joystick2->HasAccel()) {
+            mapping.insert_or_assign(Settings::NativeMotion::MotionLeft,
+                                     BuildMotionParam(joystick2->GetPort(), joystick2->GetGUID()));
+        }
+    } else {
+        if (joystick->HasGyro() || joystick->HasAccel()) {
+            mapping.insert_or_assign(Settings::NativeMotion::MotionLeft,
+                                     BuildMotionParam(joystick->GetPort(), joystick->GetGUID()));
+        }
+    }
+
+    return mapping;
+}
+
+Common::Input::ButtonNames SDLDriver::GetUIName(const Common::ParamPackage& params) const {
+    if (params.Has("button")) {
+        // TODO(German77): Find how to substitue the values for real button names
+        return Common::Input::ButtonNames::Value;
+    }
+    if (params.Has("hat")) {
+        return Common::Input::ButtonNames::Value;
+    }
+    if (params.Has("axis")) {
+        return Common::Input::ButtonNames::Value;
+    }
+    if (params.Has("axis_x") && params.Has("axis_y") && params.Has("axis_z")) {
+        return Common::Input::ButtonNames::Value;
+    }
+    if (params.Has("motion")) {
+        return Common::Input::ButtonNames::Engine;
+    }
+
+    return Common::Input::ButtonNames::Invalid;
+}
+
+std::string SDLDriver::GetHatButtonName(u8 direction_value) const {
+    switch (direction_value) {
+    case SDL_HAT_UP:
+        return "up";
+    case SDL_HAT_DOWN:
+        return "down";
+    case SDL_HAT_LEFT:
+        return "left";
+    case SDL_HAT_RIGHT:
+        return "right";
+    default:
+        return {};
+    }
+}
+
+u8 SDLDriver::GetHatButtonId(const std::string& direction_name) const {
+    Uint8 direction;
+    if (direction_name == "up") {
+        direction = SDL_HAT_UP;
+    } else if (direction_name == "down") {
+        direction = SDL_HAT_DOWN;
+    } else if (direction_name == "left") {
+        direction = SDL_HAT_LEFT;
+    } else if (direction_name == "right") {
+        direction = SDL_HAT_RIGHT;
+    } else {
+        direction = 0;
+    }
+    return direction;
+}
+
+} // namespace InputCommon

src/input_common/drivers/sdl_driver.h

@@ -5,7 +5,6 @@
 #pragma once
 
 #include <atomic>
-#include <memory>
 #include <mutex>
 #include <thread>
 #include <unordered_map>
@@ -13,8 +12,7 @@
 #include <SDL.h>
 
 #include "common/common_types.h"
-#include "common/threadsafe_queue.h"
-#include "input_common/sdl/sdl.h"
+#include "input_common/input_engine.h"
 
 union SDL_Event;
 using SDL_GameController = struct _SDL_GameController;
@@ -26,21 +24,17 @@ using ButtonBindings =
 using ZButtonBindings =
     std::array<std::pair<Settings::NativeButton::Values, SDL_GameControllerAxis>, 2>;
 
-namespace InputCommon::SDL {
+namespace InputCommon {
 
-class SDLAnalogFactory;
-class SDLButtonFactory;
-class SDLMotionFactory;
-class SDLVibrationFactory;
 class SDLJoystick;
 
-class SDLState : public State {
+class SDLDriver : public InputCommon::InputEngine {
 public:
     /// Initializes and registers SDL device factories
-    SDLState();
+    SDLDriver(const std::string& input_engine_);
 
     /// Unregisters SDL device factories and shut them down.
-    ~SDLState() override;
+    ~SDLDriver() override;
 
     /// Handle SDL_Events for joysticks from SDL_PollEvent
     void HandleGameControllerEvent(const SDL_Event& event);
@@ -54,18 +48,18 @@ public:
      */
     std::shared_ptr<SDLJoystick> GetSDLJoystickByGUID(const std::string& guid, int port);
 
-    /// Get all DevicePoller that use the SDL backend for a specific device type
-    Pollers GetPollers(Polling::DeviceType type) override;
-
-    /// Used by the Pollers during config
-    std::atomic<bool> polling = false;
-    Common::SPSCQueue<SDL_Event> event_queue;
-
-    std::vector<Common::ParamPackage> GetInputDevices() override;
+    std::vector<Common::ParamPackage> GetInputDevices() const override;
 
     ButtonMapping GetButtonMappingForDevice(const Common::ParamPackage& params) override;
     AnalogMapping GetAnalogMappingForDevice(const Common::ParamPackage& params) override;
     MotionMapping GetMotionMappingForDevice(const Common::ParamPackage& params) override;
+    Common::Input::ButtonNames GetUIName(const Common::ParamPackage& params) const override;
+
+    std::string GetHatButtonName(u8 direction_value) const override;
+    u8 GetHatButtonId(const std::string& direction_name) const override;
+
+    Common::Input::VibrationError SetRumble(
+        const PadIdentifier& identifier, const Common::Input::VibrationStatus vibration) override;
 
 private:
     void InitJoystick(int joystick_index);
@@ -74,6 +68,23 @@ private:
     /// Needs to be called before SDL_QuitSubSystem.
     void CloseJoysticks();
 
+    Common::ParamPackage BuildAnalogParamPackageForButton(int port, std::string guid, s32 axis,
+                                                          float value = 0.1f) const;
+    Common::ParamPackage BuildButtonParamPackageForButton(int port, std::string guid,
+                                                          s32 button) const;
+
+    Common::ParamPackage BuildHatParamPackageForButton(int port, std::string guid, s32 hat,
+                                                       u8 value) const;
+
+    Common::ParamPackage BuildMotionParam(int port, std::string guid) const;
+
+    Common::ParamPackage BuildParamPackageForBinding(
+        int port, const std::string& guid, const SDL_GameControllerButtonBind& binding) const;
+
+    Common::ParamPackage BuildParamPackageForAnalog(PadIdentifier identifier, int axis_x,
+                                                    int axis_y, float offset_x,
+                                                    float offset_y) const;
+
     /// Returns the default button bindings list for generic controllers
     ButtonBindings GetDefaultButtonBinding() const;
 
@@ -94,21 +105,13 @@ private:
     /// Returns true if the button is on the left joycon
     bool IsButtonOnLeftSide(Settings::NativeButton::Values button) const;
 
-    // Set to true if SDL supports game controller subsystem
-    bool has_gamecontroller = false;
-
     /// Map of GUID of a list of corresponding virtual Joysticks
     std::unordered_map<std::string, std::vector<std::shared_ptr<SDLJoystick>>> joystick_map;
     std::mutex joystick_map_mutex;
 
-    std::shared_ptr<SDLButtonFactory> button_factory;
-    std::shared_ptr<SDLAnalogFactory> analog_factory;
-    std::shared_ptr<SDLVibrationFactory> vibration_factory;
-    std::shared_ptr<SDLMotionFactory> motion_factory;
-
     bool start_thread = false;
     std::atomic<bool> initialized = false;
 
     std::thread poll_thread;
 };
-} // namespace InputCommon::SDL
+} // namespace InputCommon

src/input_common/drivers/tas_input.cpp

@@ -0,0 +1,315 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <cstring>
+#include <regex>
+#include <fmt/format.h>
+
+#include "common/fs/file.h"
+#include "common/fs/fs_types.h"
+#include "common/fs/path_util.h"
+#include "common/logging/log.h"
+#include "common/settings.h"
+#include "input_common/drivers/tas_input.h"
+
+namespace InputCommon::TasInput {
+
+enum TasAxes : u8 {
+    StickX,
+    StickY,
+    SubstickX,
+    SubstickY,
+    Undefined,
+};
+
+// Supported keywords and buttons from a TAS file
+constexpr std::array<std::pair<std::string_view, TasButton>, 20> text_to_tas_button = {
+    std::pair{"KEY_A", TasButton::BUTTON_A},
+    {"KEY_B", TasButton::BUTTON_B},
+    {"KEY_X", TasButton::BUTTON_X},
+    {"KEY_Y", TasButton::BUTTON_Y},
+    {"KEY_LSTICK", TasButton::STICK_L},
+    {"KEY_RSTICK", TasButton::STICK_R},
+    {"KEY_L", TasButton::TRIGGER_L},
+    {"KEY_R", TasButton::TRIGGER_R},
+    {"KEY_PLUS", TasButton::BUTTON_PLUS},
+    {"KEY_MINUS", TasButton::BUTTON_MINUS},
+    {"KEY_DLEFT", TasButton::BUTTON_LEFT},
+    {"KEY_DUP", TasButton::BUTTON_UP},
+    {"KEY_DRIGHT", TasButton::BUTTON_RIGHT},
+    {"KEY_DDOWN", TasButton::BUTTON_DOWN},
+    {"KEY_SL", TasButton::BUTTON_SL},
+    {"KEY_SR", TasButton::BUTTON_SR},
+    {"KEY_CAPTURE", TasButton::BUTTON_CAPTURE},
+    {"KEY_HOME", TasButton::BUTTON_HOME},
+    {"KEY_ZL", TasButton::TRIGGER_ZL},
+    {"KEY_ZR", TasButton::TRIGGER_ZR},
+};
+
+Tas::Tas(const std::string& input_engine_) : InputCommon::InputEngine(input_engine_) {
+    for (size_t player_index = 0; player_index < PLAYER_NUMBER; player_index++) {
+        PadIdentifier identifier{
+            .guid = Common::UUID{},
+            .port = player_index,
+            .pad = 0,
+        };
+        PreSetController(identifier);
+    }
+    ClearInput();
+    if (!Settings::values.tas_enable) {
+        needs_reset = true;
+        return;
+    }
+    LoadTasFiles();
+}
+
+Tas::~Tas() {
+    Stop();
+};
+
+void Tas::LoadTasFiles() {
+    script_length = 0;
+    for (size_t i = 0; i < commands.size(); i++) {
+        LoadTasFile(i, 0);
+        if (commands[i].size() > script_length) {
+            script_length = commands[i].size();
+        }
+    }
+}
+
+void Tas::LoadTasFile(size_t player_index, size_t file_index) {
+    if (!commands[player_index].empty()) {
+        commands[player_index].clear();
+    }
+    std::string file = Common::FS::ReadStringFromFile(
+        Common::FS::GetYuzuPath(Common::FS::YuzuPath::TASDir) /
+            fmt::format("script{}-{}.txt", file_index, player_index + 1),
+        Common::FS::FileType::BinaryFile);
+    std::stringstream command_line(file);
+    std::string line;
+    int frame_no = 0;
+    while (std::getline(command_line, line, '\n')) {
+        if (line.empty()) {
+            continue;
+        }
+        std::smatch m;
+
+        std::stringstream linestream(line);
+        std::string segment;
+        std::vector<std::string> seglist;
+
+        while (std::getline(linestream, segment, ' ')) {
+            seglist.push_back(segment);
+        }
+
+        if (seglist.size() < 4) {
+            continue;
+        }
+
+        while (frame_no < std::stoi(seglist.at(0))) {
+            commands[player_index].push_back({});
+            frame_no++;
+        }
+
+        TASCommand command = {
+            .buttons = ReadCommandButtons(seglist.at(1)),
+            .l_axis = ReadCommandAxis(seglist.at(2)),
+            .r_axis = ReadCommandAxis(seglist.at(3)),
+        };
+        commands[player_index].push_back(command);
+        frame_no++;
+    }
+    LOG_INFO(Input, "TAS file loaded! {} frames", frame_no);
+}
+
+void Tas::WriteTasFile(std::u8string file_name) {
+    std::string output_text;
+    for (size_t frame = 0; frame < record_commands.size(); frame++) {
+        const TASCommand& line = record_commands[frame];
+        output_text += fmt::format("{} {} {} {}\n", frame, WriteCommandButtons(line.buttons),
+                                   WriteCommandAxis(line.l_axis), WriteCommandAxis(line.r_axis));
+    }
+    const auto bytes_written = Common::FS::WriteStringToFile(
+        Common::FS::GetYuzuPath(Common::FS::YuzuPath::TASDir) / file_name,
+        Common::FS::FileType::TextFile, output_text);
+    if (bytes_written == output_text.size()) {
+        LOG_INFO(Input, "TAS file written to file!");
+    } else {
+        LOG_ERROR(Input, "Writing the TAS-file has failed! {} / {} bytes written", bytes_written,
+                  output_text.size());
+    }
+}
+
+void Tas::RecordInput(u64 buttons, TasAnalog left_axis, TasAnalog right_axis) {
+    last_input = {
+        .buttons = buttons,
+        .l_axis = left_axis,
+        .r_axis = right_axis,
+    };
+}
+
+std::tuple<TasState, size_t, size_t> Tas::GetStatus() const {
+    TasState state;
+    if (is_recording) {
+        return {TasState::Recording, 0, record_commands.size()};
+    }
+
+    if (is_running) {
+        state = TasState::Running;
+    } else {
+        state = TasState::Stopped;
+    }
+
+    return {state, current_command, script_length};
+}
+
+void Tas::UpdateThread() {
+    if (!Settings::values.tas_enable) {
+        if (is_running) {
+            Stop();
+        }
+        return;
+    }
+
+    if (is_recording) {
+        record_commands.push_back(last_input);
+    }
+    if (needs_reset) {
+        current_command = 0;
+        needs_reset = false;
+        LoadTasFiles();
+        LOG_DEBUG(Input, "tas_reset done");
+    }
+
+    if (!is_running) {
+        ClearInput();
+        return;
+    }
+    if (current_command < script_length) {
+        LOG_DEBUG(Input, "Playing TAS {}/{}", current_command, script_length);
+        const size_t frame = current_command++;
+        for (size_t player_index = 0; player_index < commands.size(); player_index++) {
+            TASCommand command{};
+            if (frame < commands[player_index].size()) {
+                command = commands[player_index][frame];
+            }
+
+            PadIdentifier identifier{
+                .guid = Common::UUID{},
+                .port = player_index,
+                .pad = 0,
+            };
+            for (std::size_t i = 0; i < sizeof(command.buttons) * 8; ++i) {
+                const bool button_status = (command.buttons & (1LLU << i)) != 0;
+                const int button = static_cast<int>(i);
+                SetButton(identifier, button, button_status);
+            }
+            SetAxis(identifier, TasAxes::StickX, command.l_axis.x);
+            SetAxis(identifier, TasAxes::StickY, command.l_axis.y);
+            SetAxis(identifier, TasAxes::SubstickX, command.r_axis.x);
+            SetAxis(identifier, TasAxes::SubstickY, command.r_axis.y);
+        }
+    } else {
+        is_running = Settings::values.tas_loop.GetValue();
+        LoadTasFiles();
+        current_command = 0;
+        ClearInput();
+    }
+}
+
+void Tas::ClearInput() {
+    ResetButtonState();
+    ResetAnalogState();
+}
+
+TasAnalog Tas::ReadCommandAxis(const std::string& line) const {
+    std::stringstream linestream(line);
+    std::string segment;
+    std::vector<std::string> seglist;
+
+    while (std::getline(linestream, segment, ';')) {
+        seglist.push_back(segment);
+    }
+
+    const float x = std::stof(seglist.at(0)) / 32767.0f;
+    const float y = std::stof(seglist.at(1)) / 32767.0f;
+
+    return {x, y};
+}
+
+u64 Tas::ReadCommandButtons(const std::string& data) const {
+    std::stringstream button_text(data);
+    std::string line;
+    u64 buttons = 0;
+    while (std::getline(button_text, line, ';')) {
+        for (auto [text, tas_button] : text_to_tas_button) {
+            if (text == line) {
+                buttons |= static_cast<u64>(tas_button);
+                break;
+            }
+        }
+    }
+    return buttons;
+}
+
+std::string Tas::WriteCommandButtons(u64 buttons) const {
+    std::string returns = "";
+    for (auto [text_button, tas_button] : text_to_tas_button) {
+        if ((buttons & static_cast<u64>(tas_button)) != 0) {
+            returns += fmt::format("{};", text_button);
+        }
+    }
+    return returns.empty() ? "NONE" : returns;
+}
+
+std::string Tas::WriteCommandAxis(TasAnalog analog) const {
+    return fmt::format("{};{}", analog.x * 32767, analog.y * 32767);
+}
+
+void Tas::StartStop() {
+    if (!Settings::values.tas_enable) {
+        return;
+    }
+    if (is_running) {
+        Stop();
+    } else {
+        is_running = true;
+    }
+}
+
+void Tas::Stop() {
+    is_running = false;
+}
+
+void Tas::Reset() {
+    if (!Settings::values.tas_enable) {
+        return;
+    }
+    needs_reset = true;
+}
+
+bool Tas::Record() {
+    if (!Settings::values.tas_enable) {
+        return true;
+    }
+    is_recording = !is_recording;
+    return is_recording;
+}
+
+void Tas::SaveRecording(bool overwrite_file) {
+    if (is_recording) {
+        return;
+    }
+    if (record_commands.empty()) {
+        return;
+    }
+    WriteTasFile(u8"record.txt");
+    if (overwrite_file) {
+        WriteTasFile(u8"script0-1.txt");
+    }
+    needs_reset = true;
+    record_commands.clear();
+}
+
+} // namespace InputCommon::TasInput

src/input_common/drivers/tas_input.h

@@ -8,7 +8,7 @@
 
 #include "common/common_types.h"
 #include "common/settings_input.h"
-#include "core/frontend/input.h"
+#include "input_common/input_engine.h"
 #include "input_common/main.h"
 
 /*
@@ -43,19 +43,11 @@ For debugging purposes, the common controller debugger can be used (View -> Debu
 P1).
 */
 
-namespace TasInput {
+namespace InputCommon::TasInput {
 
-constexpr size_t PLAYER_NUMBER = 8;
+constexpr size_t PLAYER_NUMBER = 10;
 
-using TasAnalog = std::pair<float, float>;
-
-enum class TasState {
-    Running,
-    Recording,
-    Stopped,
-};
-
-enum class TasButton : u32 {
+enum class TasButton : u64 {
     BUTTON_A = 1U << 0,
     BUTTON_B = 1U << 1,
     BUTTON_X = 1U << 2,
@@ -78,26 +70,29 @@ enum class TasButton : u32 {
     BUTTON_CAPTURE = 1U << 19,
 };
 
-enum class TasAxes : u8 {
-    StickX,
-    StickY,
-    SubstickX,
-    SubstickY,
-    Undefined,
+struct TasAnalog {
+    float x{};
+    float y{};
 };
 
-struct TasData {
-    u32 buttons{};
-    std::array<float, 4> axis{};
+enum class TasState {
+    Running,
+    Recording,
+    Stopped,
 };
 
-class Tas {
+class Tas final : public InputCommon::InputEngine {
 public:
-    Tas();
+    explicit Tas(const std::string& input_engine_);
     ~Tas();
 
-    // Changes the input status that will be stored in each frame
-    void RecordInput(u32 buttons, const std::array<std::pair<float, float>, 2>& axes);
+    /**
+     * Changes the input status that will be stored in each frame
+     * @param buttons: bitfield with the status of the buttons
+     * @param left_axis: value of the left axis
+     * @param right_axis: value of the right axis
+     */
+    void RecordInput(u64 buttons, TasAnalog left_axis, TasAnalog right_axis);
 
     // Main loop that records or executes input
     void UpdateThread();
@@ -117,112 +112,77 @@ public:
      */
     bool Record();
 
-    // Saves contents of record_commands on a file if overwrite is enabled player 1 will be
-    // overwritten with the recorded commands
+    /**
+     * Saves contents of record_commands on a file
+     * @param overwrite_file: Indicates if player 1 should be overwritten
+     */
     void SaveRecording(bool overwrite_file);
 
     /**
      * Returns the current status values of TAS playback/recording
      * @return Tuple of
-     * TasState indicating the current state out of Running, Recording or Stopped ;
-     * Current playback progress or amount of frames (so far) for Recording ;
-     * Total length of script file currently loaded or amount of frames (so far) for Recording
+     * TasState indicating the current state out of Running ;
+     * Current playback progress ;
+     * Total length of script file currently loaded or being recorded
      */
     std::tuple<TasState, size_t, size_t> GetStatus() const;
 
-    // Retuns an array of the default button mappings
-    InputCommon::ButtonMapping GetButtonMappingForDevice(const Common::ParamPackage& params) const;
-
-    // Retuns an array of the default analog mappings
-    InputCommon::AnalogMapping GetAnalogMappingForDevice(const Common::ParamPackage& params) const;
-    [[nodiscard]] const TasData& GetTasState(std::size_t pad) const;
-
 private:
     struct TASCommand {
-        u32 buttons{};
+        u64 buttons{};
         TasAnalog l_axis{};
         TasAnalog r_axis{};
     };
 
-    // Loads TAS files from all players
+    /// Loads TAS files from all players
     void LoadTasFiles();
 
-    // Loads TAS file from the specified player
-    void LoadTasFile(size_t player_index);
+    /** Loads TAS file from the specified player
+     * @param player_index: player number to save the script
+     * @param file_index: script number of the file
+     */
+    void LoadTasFile(size_t player_index, size_t file_index);
 
-    // Writes a TAS file from the recorded commands
+    /** Writes a TAS file from the recorded commands
+     * @param file_name: name of the file to be written
+     */
     void WriteTasFile(std::u8string file_name);
 
     /**
-     * Parses a string containing the axis values with the following format "x;y"
-     * X and Y have a range from -32767 to 32767
+     * Parses a string containing the axis values. X and Y have a range from -32767 to 32767
+     * @param line: string containing axis values with the following format "x;y"
      * @return Returns a TAS analog object with axis values with range from -1.0 to 1.0
      */
     TasAnalog ReadCommandAxis(const std::string& line) const;
 
     /**
-     * Parses a string containing the button values with the following format "a;b;c;d..."
-     * Each button is represented by it's text format specified in text_to_tas_button array
-     * @return Returns a u32 with each bit representing the status of a button
+     * Parses a string containing the button values. Each button is represented by it's text format
+     * specified in text_to_tas_button array
+     * @param line: string containing button name with the following format "a;b;c;d..."
+     * @return Returns a u64 with each bit representing the status of a button
      */
-    u32 ReadCommandButtons(const std::string& line) const;
+    u64 ReadCommandButtons(const std::string& line) const;
 
     /**
-     * Converts an u32 containing the button status into the text equivalent
+     * Reset state of all players
+     */
+    void ClearInput();
+
+    /**
+     * Converts an u64 containing the button status into the text equivalent
+     * @param buttons: bitfield with the status of the buttons
      * @return Returns a string with the name of the buttons to be written to the file
      */
-    std::string WriteCommandButtons(u32 data) const;
+    std::string WriteCommandButtons(u64 buttons) const;
 
     /**
      * Converts an TAS analog object containing the axis status into the text equivalent
-     * @return Returns a string with the value of the axis to be written to the file
+     * @param data: value of the axis
+     * @return A string with the value of the axis to be written to the file
      */
     std::string WriteCommandAxis(TasAnalog data) const;
 
-    // Inverts the Y axis polarity
-    std::pair<float, float> FlipAxisY(std::pair<float, float> old);
-
-    /**
-     * Converts an u32 containing the button status into the text equivalent
-     * @return Returns a string with the name of the buttons to be printed on console
-     */
-    std::string DebugButtons(u32 buttons) const;
-
-    /**
-     * Converts an TAS analog object containing the axis status into the text equivalent
-     * @return Returns a string with the value of the axis to be printed on console
-     */
-    std::string DebugJoystick(float x, float y) const;
-
-    /**
-     * Converts the given TAS status into the text equivalent
-     * @return Returns a string with the value of the TAS status to be printed on console
-     */
-    std::string DebugInput(const TasData& data) const;
-
-    /**
-     * Converts the given TAS status of multiple players into the text equivalent
-     * @return Returns a string with the value of the status of all TAS players to be printed on
-     * console
-     */
-    std::string DebugInputs(const std::array<TasData, PLAYER_NUMBER>& arr) const;
-
-    /**
-     * Converts an u32 containing the button status into the text equivalent
-     * @return Returns a string with the name of the buttons
-     */
-    std::string ButtonsToString(u32 button) const;
-
-    // Stores current controller configuration and sets a TAS controller for every active controller
-    // to the current config
-    void SwapToTasController();
-
-    // Sets the stored controller configuration to the current config
-    void SwapToStoredController();
-
     size_t script_length{0};
-    std::array<TasData, PLAYER_NUMBER> tas_data;
-    bool is_old_input_saved{false};
     bool is_recording{false};
     bool is_running{false};
     bool needs_reset{false};
@@ -230,8 +190,5 @@ private:
     std::vector<TASCommand> record_commands{};
     size_t current_command{0};
     TASCommand last_input{}; // only used for recording
-
-    // Old settings for swapping controllers
-    std::array<Settings::PlayerInput, 10> player_mappings;
 };
-} // namespace TasInput
+} // namespace InputCommon::TasInput

src/input_common/drivers/touch_screen.cpp

@@ -0,0 +1,53 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#include "common/param_package.h"
+#include "input_common/drivers/touch_screen.h"
+
+namespace InputCommon {
+
+constexpr PadIdentifier identifier = {
+    .guid = Common::UUID{Common::INVALID_UUID},
+    .port = 0,
+    .pad = 0,
+};
+
+TouchScreen::TouchScreen(const std::string& input_engine_) : InputEngine(input_engine_) {
+    PreSetController(identifier);
+}
+
+void TouchScreen::TouchMoved(float x, float y, std::size_t finger) {
+    if (finger >= 16) {
+        return;
+    }
+    TouchPressed(x, y, finger);
+}
+
+void TouchScreen::TouchPressed(float x, float y, std::size_t finger) {
+    if (finger >= 16) {
+        return;
+    }
+    SetButton(identifier, static_cast<int>(finger), true);
+    SetAxis(identifier, static_cast<int>(finger * 2), x);
+    SetAxis(identifier, static_cast<int>(finger * 2 + 1), y);
+}
+
+void TouchScreen::TouchReleased(std::size_t finger) {
+    if (finger >= 16) {
+        return;
+    }
+    SetButton(identifier, static_cast<int>(finger), false);
+    SetAxis(identifier, static_cast<int>(finger * 2), 0.0f);
+    SetAxis(identifier, static_cast<int>(finger * 2 + 1), 0.0f);
+}
+
+void TouchScreen::ReleaseAllTouch() {
+    for (int index = 0; index < 16; ++index) {
+        SetButton(identifier, index, false);
+        SetAxis(identifier, index * 2, 0.0f);
+        SetAxis(identifier, index * 2 + 1, 0.0f);
+    }
+}
+
+} // namespace InputCommon

src/input_common/drivers/touch_screen.h

@@ -0,0 +1,44 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#pragma once
+
+#include "input_common/input_engine.h"
+
+namespace InputCommon {
+
+/**
+ * A button device factory representing a keyboard. It receives keyboard events and forward them
+ * to all button devices it created.
+ */
+class TouchScreen final : public InputCommon::InputEngine {
+public:
+    explicit TouchScreen(const std::string& input_engine_);
+
+    /**
+     * Signals that mouse has moved.
+     * @param x the x-coordinate of the cursor
+     * @param y the y-coordinate of the cursor
+     * @param center_x the x-coordinate of the middle of the screen
+     * @param center_y the y-coordinate of the middle of the screen
+     */
+    void TouchMoved(float x, float y, std::size_t finger);
+
+    /**
+     * Sets the status of all buttons bound with the key to pressed
+     * @param key_code the code of the key to press
+     */
+    void TouchPressed(float x, float y, std::size_t finger);
+
+    /**
+     * Sets the status of all buttons bound with the key to released
+     * @param key_code the code of the key to release
+     */
+    void TouchReleased(std::size_t finger);
+
+    /// Resets all inputs to their initial value
+    void ReleaseAllTouch();
+};
+
+} // namespace InputCommon

src/input_common/drivers/udp_client.cpp

@@ -0,0 +1,591 @@
+// Copyright 2018 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <random>
+#include <boost/asio.hpp>
+#include <fmt/format.h>
+
+#include "common/logging/log.h"
+#include "common/param_package.h"
+#include "common/settings.h"
+#include "input_common/drivers/udp_client.h"
+#include "input_common/helpers/udp_protocol.h"
+
+using boost::asio::ip::udp;
+
+namespace InputCommon::CemuhookUDP {
+
+struct SocketCallback {
+    std::function<void(Response::Version)> version;
+    std::function<void(Response::PortInfo)> port_info;
+    std::function<void(Response::PadData)> pad_data;
+};
+
+class Socket {
+public:
+    using clock = std::chrono::system_clock;
+
+    explicit Socket(const std::string& host, u16 port, SocketCallback callback_)
+        : callback(std::move(callback_)), timer(io_service),
+          socket(io_service, udp::endpoint(udp::v4(), 0)), client_id(GenerateRandomClientId()) {
+        boost::system::error_code ec{};
+        auto ipv4 = boost::asio::ip::make_address_v4(host, ec);
+        if (ec.value() != boost::system::errc::success) {
+            LOG_ERROR(Input, "Invalid IPv4 address \"{}\" provided to socket", host);
+            ipv4 = boost::asio::ip::address_v4{};
+        }
+
+        send_endpoint = {udp::endpoint(ipv4, port)};
+    }
+
+    void Stop() {
+        io_service.stop();
+    }
+
+    void Loop() {
+        io_service.run();
+    }
+
+    void StartSend(const clock::time_point& from) {
+        timer.expires_at(from + std::chrono::seconds(3));
+        timer.async_wait([this](const boost::system::error_code& error) { HandleSend(error); });
+    }
+
+    void StartReceive() {
+        socket.async_receive_from(
+            boost::asio::buffer(receive_buffer), receive_endpoint,
+            [this](const boost::system::error_code& error, std::size_t bytes_transferred) {
+                HandleReceive(error, bytes_transferred);
+            });
+    }
+
+private:
+    u32 GenerateRandomClientId() const {
+        std::random_device device;
+        return device();
+    }
+
+    void HandleReceive(const boost::system::error_code&, std::size_t bytes_transferred) {
+        if (auto type = Response::Validate(receive_buffer.data(), bytes_transferred)) {
+            switch (*type) {
+            case Type::Version: {
+                Response::Version version;
+                std::memcpy(&version, &receive_buffer[sizeof(Header)], sizeof(Response::Version));
+                callback.version(std::move(version));
+                break;
+            }
+            case Type::PortInfo: {
+                Response::PortInfo port_info;
+                std::memcpy(&port_info, &receive_buffer[sizeof(Header)],
+                            sizeof(Response::PortInfo));
+                callback.port_info(std::move(port_info));
+                break;
+            }
+            case Type::PadData: {
+                Response::PadData pad_data;
+                std::memcpy(&pad_data, &receive_buffer[sizeof(Header)], sizeof(Response::PadData));
+                callback.pad_data(std::move(pad_data));
+                break;
+            }
+            }
+        }
+        StartReceive();
+    }
+
+    void HandleSend(const boost::system::error_code&) {
+        boost::system::error_code _ignored{};
+        // Send a request for getting port info for the pad
+        const Request::PortInfo port_info{4, {0, 1, 2, 3}};
+        const auto port_message = Request::Create(port_info, client_id);
+        std::memcpy(&send_buffer1, &port_message, PORT_INFO_SIZE);
+        socket.send_to(boost::asio::buffer(send_buffer1), send_endpoint, {}, _ignored);
+
+        // Send a request for getting pad data for the pad
+        const Request::PadData pad_data{
+            Request::RegisterFlags::AllPads,
+            0,
+            EMPTY_MAC_ADDRESS,
+        };
+        const auto pad_message = Request::Create(pad_data, client_id);
+        std::memcpy(send_buffer2.data(), &pad_message, PAD_DATA_SIZE);
+        socket.send_to(boost::asio::buffer(send_buffer2), send_endpoint, {}, _ignored);
+        StartSend(timer.expiry());
+    }
+
+    SocketCallback callback;
+    boost::asio::io_service io_service;
+    boost::asio::basic_waitable_timer<clock> timer;
+    udp::socket socket;
+
+    const u32 client_id;
+
+    static constexpr std::size_t PORT_INFO_SIZE = sizeof(Message<Request::PortInfo>);
+    static constexpr std::size_t PAD_DATA_SIZE = sizeof(Message<Request::PadData>);
+    std::array<u8, PORT_INFO_SIZE> send_buffer1;
+    std::array<u8, PAD_DATA_SIZE> send_buffer2;
+    udp::endpoint send_endpoint;
+
+    std::array<u8, MAX_PACKET_SIZE> receive_buffer;
+    udp::endpoint receive_endpoint;
+};
+
+static void SocketLoop(Socket* socket) {
+    socket->StartReceive();
+    socket->StartSend(Socket::clock::now());
+    socket->Loop();
+}
+
+UDPClient::UDPClient(const std::string& input_engine_) : InputEngine(input_engine_) {
+    LOG_INFO(Input, "Udp Initialization started");
+    ReloadSockets();
+}
+
+UDPClient::~UDPClient() {
+    Reset();
+}
+
+UDPClient::ClientConnection::ClientConnection() = default;
+
+UDPClient::ClientConnection::~ClientConnection() = default;
+
+void UDPClient::ReloadSockets() {
+    Reset();
+
+    std::stringstream servers_ss(Settings::values.udp_input_servers.GetValue());
+    std::string server_token;
+    std::size_t client = 0;
+    while (std::getline(servers_ss, server_token, ',')) {
+        if (client == MAX_UDP_CLIENTS) {
+            break;
+        }
+        std::stringstream server_ss(server_token);
+        std::string token;
+        std::getline(server_ss, token, ':');
+        std::string udp_input_address = token;
+        std::getline(server_ss, token, ':');
+        char* temp;
+        const u16 udp_input_port = static_cast<u16>(std::strtol(token.c_str(), &temp, 0));
+        if (*temp != '\0') {
+            LOG_ERROR(Input, "Port number is not valid {}", token);
+            continue;
+        }
+
+        const std::size_t client_number = GetClientNumber(udp_input_address, udp_input_port);
+        if (client_number != MAX_UDP_CLIENTS) {
+            LOG_ERROR(Input, "Duplicated UDP servers found");
+            continue;
+        }
+        StartCommunication(client++, udp_input_address, udp_input_port);
+    }
+}
+
+std::size_t UDPClient::GetClientNumber(std::string_view host, u16 port) const {
+    for (std::size_t client = 0; client < clients.size(); client++) {
+        if (clients[client].active == -1) {
+            continue;
+        }
+        if (clients[client].host == host && clients[client].port == port) {
+            return client;
+        }
+    }
+    return MAX_UDP_CLIENTS;
+}
+
+void UDPClient::OnVersion([[maybe_unused]] Response::Version data) {
+    LOG_TRACE(Input, "Version packet received: {}", data.version);
+}
+
+void UDPClient::OnPortInfo([[maybe_unused]] Response::PortInfo data) {
+    LOG_TRACE(Input, "PortInfo packet received: {}", data.model);
+}
+
+void UDPClient::OnPadData(Response::PadData data, std::size_t client) {
+    const std::size_t pad_index = (client * PADS_PER_CLIENT) + data.info.id;
+
+    if (pad_index >= pads.size()) {
+        LOG_ERROR(Input, "Invalid pad id {}", data.info.id);
+        return;
+    }
+
+    LOG_TRACE(Input, "PadData packet received");
+    if (data.packet_counter == pads[pad_index].packet_sequence) {
+        LOG_WARNING(
+            Input,
+            "PadData packet dropped because its stale info. Current count: {} Packet count: {}",
+            pads[pad_index].packet_sequence, data.packet_counter);
+        pads[pad_index].connected = false;
+        return;
+    }
+
+    clients[client].active = 1;
+    pads[pad_index].connected = true;
+    pads[pad_index].packet_sequence = data.packet_counter;
+
+    const auto now = std::chrono::steady_clock::now();
+    const auto time_difference = static_cast<u64>(
+        std::chrono::duration_cast<std::chrono::microseconds>(now - pads[pad_index].last_update)
+            .count());
+    pads[pad_index].last_update = now;
+
+    // Gyroscope values are not it the correct scale from better joy.
+    // Dividing by 312 allows us to make one full turn = 1 turn
+    // This must be a configurable valued called sensitivity
+    const float gyro_scale = 1.0f / 312.0f;
+
+    const BasicMotion motion{
+        .gyro_x = data.gyro.pitch * gyro_scale,
+        .gyro_y = data.gyro.roll * gyro_scale,
+        .gyro_z = -data.gyro.yaw * gyro_scale,
+        .accel_x = data.accel.x,
+        .accel_y = -data.accel.z,
+        .accel_z = data.accel.y,
+        .delta_timestamp = time_difference,
+    };
+    const PadIdentifier identifier = GetPadIdentifier(pad_index);
+    SetMotion(identifier, 0, motion);
+
+    for (std::size_t id = 0; id < data.touch.size(); ++id) {
+        const auto touch_pad = data.touch[id];
+        const auto touch_axis_x_id =
+            static_cast<int>(id == 0 ? PadAxes::Touch1X : PadAxes::Touch2X);
+        const auto touch_axis_y_id =
+            static_cast<int>(id == 0 ? PadAxes::Touch1Y : PadAxes::Touch2Y);
+        const auto touch_button_id =
+            static_cast<int>(id == 0 ? PadButton::Touch1 : PadButton::touch2);
+
+        // TODO: Use custom calibration per device
+        const Common::ParamPackage touch_param(Settings::values.touch_device.GetValue());
+        const u16 min_x = static_cast<u16>(touch_param.Get("min_x", 100));
+        const u16 min_y = static_cast<u16>(touch_param.Get("min_y", 50));
+        const u16 max_x = static_cast<u16>(touch_param.Get("max_x", 1800));
+        const u16 max_y = static_cast<u16>(touch_param.Get("max_y", 850));
+
+        const f32 x =
+            static_cast<f32>(std::clamp(static_cast<u16>(touch_pad.x), min_x, max_x) - min_x) /
+            static_cast<f32>(max_x - min_x);
+        const f32 y =
+            static_cast<f32>(std::clamp(static_cast<u16>(touch_pad.y), min_y, max_y) - min_y) /
+            static_cast<f32>(max_y - min_y);
+
+        if (touch_pad.is_active) {
+            SetAxis(identifier, touch_axis_x_id, x);
+            SetAxis(identifier, touch_axis_y_id, y);
+            SetButton(identifier, touch_button_id, true);
+            continue;
+        }
+        SetAxis(identifier, touch_axis_x_id, 0);
+        SetAxis(identifier, touch_axis_y_id, 0);
+        SetButton(identifier, touch_button_id, false);
+    }
+
+    SetAxis(identifier, static_cast<int>(PadAxes::LeftStickX),
+            (data.left_stick_x - 127.0f) / 127.0f);
+    SetAxis(identifier, static_cast<int>(PadAxes::LeftStickY),
+            (data.left_stick_y - 127.0f) / 127.0f);
+    SetAxis(identifier, static_cast<int>(PadAxes::RightStickX),
+            (data.right_stick_x - 127.0f) / 127.0f);
+    SetAxis(identifier, static_cast<int>(PadAxes::RightStickY),
+            (data.right_stick_y - 127.0f) / 127.0f);
+
+    static constexpr std::array<PadButton, 16> buttons{
+        PadButton::Share,    PadButton::L3,     PadButton::R3,    PadButton::Options,
+        PadButton::Up,       PadButton::Right,  PadButton::Down,  PadButton::Left,
+        PadButton::L2,       PadButton::R2,     PadButton::L1,    PadButton::R1,
+        PadButton::Triangle, PadButton::Circle, PadButton::Cross, PadButton::Square};
+
+    for (std::size_t i = 0; i < buttons.size(); ++i) {
+        const bool button_status = (data.digital_button & (1U << i)) != 0;
+        const int button = static_cast<int>(buttons[i]);
+        SetButton(identifier, button, button_status);
+    }
+}
+
+void UDPClient::StartCommunication(std::size_t client, const std::string& host, u16 port) {
+    SocketCallback callback{[this](Response::Version version) { OnVersion(version); },
+                            [this](Response::PortInfo info) { OnPortInfo(info); },
+                            [this, client](Response::PadData data) { OnPadData(data, client); }};
+    LOG_INFO(Input, "Starting communication with UDP input server on {}:{}", host, port);
+    clients[client].uuid = GetHostUUID(host);
+    clients[client].host = host;
+    clients[client].port = port;
+    clients[client].active = 0;
+    clients[client].socket = std::make_unique<Socket>(host, port, callback);
+    clients[client].thread = std::thread{SocketLoop, clients[client].socket.get()};
+    for (std::size_t index = 0; index < PADS_PER_CLIENT; ++index) {
+        const PadIdentifier identifier = GetPadIdentifier(client * PADS_PER_CLIENT + index);
+        PreSetController(identifier);
+    }
+}
+
+const PadIdentifier UDPClient::GetPadIdentifier(std::size_t pad_index) const {
+    const std::size_t client = pad_index / PADS_PER_CLIENT;
+    return {
+        .guid = clients[client].uuid,
+        .port = static_cast<std::size_t>(clients[client].port),
+        .pad = pad_index,
+    };
+}
+
+const Common::UUID UDPClient::GetHostUUID(const std::string host) const {
+    const auto ip = boost::asio::ip::address_v4::from_string(host);
+    const auto hex_host = fmt::format("{:06x}", ip.to_ulong());
+    return Common::UUID{hex_host};
+}
+
+void UDPClient::Reset() {
+    for (auto& client : clients) {
+        if (client.thread.joinable()) {
+            client.active = -1;
+            client.socket->Stop();
+            client.thread.join();
+        }
+    }
+}
+
+std::vector<Common::ParamPackage> UDPClient::GetInputDevices() const {
+    std::vector<Common::ParamPackage> devices;
+    if (!Settings::values.enable_udp_controller) {
+        return devices;
+    }
+    for (std::size_t client = 0; client < clients.size(); client++) {
+        if (clients[client].active != 1) {
+            continue;
+        }
+        for (std::size_t index = 0; index < PADS_PER_CLIENT; ++index) {
+            const std::size_t pad_index = client * PADS_PER_CLIENT + index;
+            if (!pads[pad_index].connected) {
+                continue;
+            }
+            const auto pad_identifier = GetPadIdentifier(pad_index);
+            Common::ParamPackage identifier{};
+            identifier.Set("engine", GetEngineName());
+            identifier.Set("display", fmt::format("UDP Controller {}", pad_identifier.pad));
+            identifier.Set("guid", pad_identifier.guid.Format());
+            identifier.Set("port", static_cast<int>(pad_identifier.port));
+            identifier.Set("pad", static_cast<int>(pad_identifier.pad));
+            devices.emplace_back(identifier);
+        }
+    }
+    return devices;
+}
+
+ButtonMapping UDPClient::GetButtonMappingForDevice(const Common::ParamPackage& params) {
+    // This list excludes any button that can't be really mapped
+    static constexpr std::array<std::pair<Settings::NativeButton::Values, PadButton>, 18>
+        switch_to_dsu_button = {
+            std::pair{Settings::NativeButton::A, PadButton::Circle},
+            {Settings::NativeButton::B, PadButton::Cross},
+            {Settings::NativeButton::X, PadButton::Triangle},
+            {Settings::NativeButton::Y, PadButton::Square},
+            {Settings::NativeButton::Plus, PadButton::Options},
+            {Settings::NativeButton::Minus, PadButton::Share},
+            {Settings::NativeButton::DLeft, PadButton::Left},
+            {Settings::NativeButton::DUp, PadButton::Up},
+            {Settings::NativeButton::DRight, PadButton::Right},
+            {Settings::NativeButton::DDown, PadButton::Down},
+            {Settings::NativeButton::L, PadButton::L1},
+            {Settings::NativeButton::R, PadButton::R1},
+            {Settings::NativeButton::ZL, PadButton::L2},
+            {Settings::NativeButton::ZR, PadButton::R2},
+            {Settings::NativeButton::SL, PadButton::L2},
+            {Settings::NativeButton::SR, PadButton::R2},
+            {Settings::NativeButton::LStick, PadButton::L3},
+            {Settings::NativeButton::RStick, PadButton::R3},
+        };
+    if (!params.Has("guid") || !params.Has("port") || !params.Has("pad")) {
+        return {};
+    }
+
+    ButtonMapping mapping{};
+    for (const auto& [switch_button, dsu_button] : switch_to_dsu_button) {
+        Common::ParamPackage button_params{};
+        button_params.Set("engine", GetEngineName());
+        button_params.Set("guid", params.Get("guid", ""));
+        button_params.Set("port", params.Get("port", 0));
+        button_params.Set("pad", params.Get("pad", 0));
+        button_params.Set("button", static_cast<int>(dsu_button));
+        mapping.insert_or_assign(switch_button, std::move(button_params));
+    }
+
+    return mapping;
+}
+
+AnalogMapping UDPClient::GetAnalogMappingForDevice(const Common::ParamPackage& params) {
+    if (!params.Has("guid") || !params.Has("port") || !params.Has("pad")) {
+        return {};
+    }
+
+    AnalogMapping mapping = {};
+    Common::ParamPackage left_analog_params;
+    left_analog_params.Set("engine", GetEngineName());
+    left_analog_params.Set("guid", params.Get("guid", ""));
+    left_analog_params.Set("port", params.Get("port", 0));
+    left_analog_params.Set("pad", params.Get("pad", 0));
+    left_analog_params.Set("axis_x", static_cast<int>(PadAxes::LeftStickX));
+    left_analog_params.Set("axis_y", static_cast<int>(PadAxes::LeftStickY));
+    mapping.insert_or_assign(Settings::NativeAnalog::LStick, std::move(left_analog_params));
+    Common::ParamPackage right_analog_params;
+    right_analog_params.Set("engine", GetEngineName());
+    right_analog_params.Set("guid", params.Get("guid", ""));
+    right_analog_params.Set("port", params.Get("port", 0));
+    right_analog_params.Set("pad", params.Get("pad", 0));
+    right_analog_params.Set("axis_x", static_cast<int>(PadAxes::RightStickX));
+    right_analog_params.Set("axis_y", static_cast<int>(PadAxes::RightStickY));
+    mapping.insert_or_assign(Settings::NativeAnalog::RStick, std::move(right_analog_params));
+    return mapping;
+}
+
+MotionMapping UDPClient::GetMotionMappingForDevice(const Common::ParamPackage& params) {
+    if (!params.Has("guid") || !params.Has("port") || !params.Has("pad")) {
+        return {};
+    }
+
+    MotionMapping mapping = {};
+    Common::ParamPackage motion_params;
+    motion_params.Set("engine", GetEngineName());
+    motion_params.Set("guid", params.Get("guid", ""));
+    motion_params.Set("port", params.Get("port", 0));
+    motion_params.Set("pad", params.Get("pad", 0));
+    motion_params.Set("motion", 0);
+    mapping.insert_or_assign(Settings::NativeMotion::MotionLeft, std::move(motion_params));
+    mapping.insert_or_assign(Settings::NativeMotion::MotionRight, std::move(motion_params));
+    return mapping;
+}
+
+Common::Input::ButtonNames UDPClient::GetUIButtonName(const Common::ParamPackage& params) const {
+    PadButton button = static_cast<PadButton>(params.Get("button", 0));
+    switch (button) {
+    case PadButton::Left:
+        return Common::Input::ButtonNames::ButtonLeft;
+    case PadButton::Right:
+        return Common::Input::ButtonNames::ButtonRight;
+    case PadButton::Down:
+        return Common::Input::ButtonNames::ButtonDown;
+    case PadButton::Up:
+        return Common::Input::ButtonNames::ButtonUp;
+    case PadButton::L1:
+        return Common::Input::ButtonNames::L1;
+    case PadButton::L2:
+        return Common::Input::ButtonNames::L2;
+    case PadButton::L3:
+        return Common::Input::ButtonNames::L3;
+    case PadButton::R1:
+        return Common::Input::ButtonNames::R1;
+    case PadButton::R2:
+        return Common::Input::ButtonNames::R2;
+    case PadButton::R3:
+        return Common::Input::ButtonNames::R3;
+    case PadButton::Circle:
+        return Common::Input::ButtonNames::Circle;
+    case PadButton::Cross:
+        return Common::Input::ButtonNames::Cross;
+    case PadButton::Square:
+        return Common::Input::ButtonNames::Square;
+    case PadButton::Triangle:
+        return Common::Input::ButtonNames::Triangle;
+    case PadButton::Share:
+        return Common::Input::ButtonNames::Share;
+    case PadButton::Options:
+        return Common::Input::ButtonNames::Options;
+    default:
+        return Common::Input::ButtonNames::Undefined;
+    }
+}
+
+Common::Input::ButtonNames UDPClient::GetUIName(const Common::ParamPackage& params) const {
+    if (params.Has("button")) {
+        return GetUIButtonName(params);
+    }
+    if (params.Has("axis")) {
+        return Common::Input::ButtonNames::Value;
+    }
+    if (params.Has("motion")) {
+        return Common::Input::ButtonNames::Engine;
+    }
+
+    return Common::Input::ButtonNames::Invalid;
+}
+
+void TestCommunication(const std::string& host, u16 port,
+                       const std::function<void()>& success_callback,
+                       const std::function<void()>& failure_callback) {
+    std::thread([=] {
+        Common::Event success_event;
+        SocketCallback callback{
+            .version = [](Response::Version) {},
+            .port_info = [](Response::PortInfo) {},
+            .pad_data = [&](Response::PadData) { success_event.Set(); },
+        };
+        Socket socket{host, port, std::move(callback)};
+        std::thread worker_thread{SocketLoop, &socket};
+        const bool result =
+            success_event.WaitUntil(std::chrono::steady_clock::now() + std::chrono::seconds(10));
+        socket.Stop();
+        worker_thread.join();
+        if (result) {
+            success_callback();
+        } else {
+            failure_callback();
+        }
+    }).detach();
+}
+
+CalibrationConfigurationJob::CalibrationConfigurationJob(
+    const std::string& host, u16 port, std::function<void(Status)> status_callback,
+    std::function<void(u16, u16, u16, u16)> data_callback) {
+
+    std::thread([=, this] {
+        Status current_status{Status::Initialized};
+        SocketCallback callback{
+            [](Response::Version) {}, [](Response::PortInfo) {},
+            [&](Response::PadData data) {
+                static constexpr u16 CALIBRATION_THRESHOLD = 100;
+                static constexpr u16 MAX_VALUE = UINT16_MAX;
+
+                if (current_status == Status::Initialized) {
+                    // Receiving data means the communication is ready now
+                    current_status = Status::Ready;
+                    status_callback(current_status);
+                }
+                const auto& touchpad_0 = data.touch[0];
+                if (touchpad_0.is_active == 0) {
+                    return;
+                }
+                LOG_DEBUG(Input, "Current touch: {} {}", touchpad_0.x, touchpad_0.y);
+                const u16 min_x = std::min(MAX_VALUE, static_cast<u16>(touchpad_0.x));
+                const u16 min_y = std::min(MAX_VALUE, static_cast<u16>(touchpad_0.y));
+                if (current_status == Status::Ready) {
+                    // First touch - min data (min_x/min_y)
+                    current_status = Status::Stage1Completed;
+                    status_callback(current_status);
+                }
+                if (touchpad_0.x - min_x > CALIBRATION_THRESHOLD &&
+                    touchpad_0.y - min_y > CALIBRATION_THRESHOLD) {
+                    // Set the current position as max value and finishes configuration
+                    const u16 max_x = touchpad_0.x;
+                    const u16 max_y = touchpad_0.y;
+                    current_status = Status::Completed;
+                    data_callback(min_x, min_y, max_x, max_y);
+                    status_callback(current_status);
+
+                    complete_event.Set();
+                }
+            }};
+        Socket socket{host, port, std::move(callback)};
+        std::thread worker_thread{SocketLoop, &socket};
+        complete_event.Wait();
+        socket.Stop();
+        worker_thread.join();
+    }).detach();
+}
+
+CalibrationConfigurationJob::~CalibrationConfigurationJob() {
+    Stop();
+}
+
+void CalibrationConfigurationJob::Stop() {
+    complete_event.Set();
+}
+
+} // namespace InputCommon::CemuhookUDP

src/input_common/drivers/udp_client.h

@@ -4,20 +4,11 @@
 
 #pragma once
 
-#include <functional>
-#include <memory>
-#include <mutex>
 #include <optional>
-#include <string>
-#include <thread>
-#include <tuple>
+
 #include "common/common_types.h"
-#include "common/param_package.h"
 #include "common/thread.h"
-#include "common/threadsafe_queue.h"
-#include "common/vector_math.h"
-#include "core/frontend/input.h"
-#include "input_common/motion_input.h"
+#include "input_common/input_engine.h"
 
 namespace InputCommon::CemuhookUDP {
 
@@ -30,16 +21,6 @@ struct TouchPad;
 struct Version;
 } // namespace Response
 
-enum class PadMotion {
-    GyroX,
-    GyroY,
-    GyroZ,
-    AccX,
-    AccY,
-    AccZ,
-    Undefined,
-};
-
 enum class PadTouch {
     Click,
     Undefined,
@@ -49,14 +30,10 @@ struct UDPPadStatus {
     std::string host{"127.0.0.1"};
     u16 port{26760};
     std::size_t pad_index{};
-    PadMotion motion{PadMotion::Undefined};
-    f32 motion_value{0.0f};
 };
 
 struct DeviceStatus {
     std::mutex update_mutex;
-    Input::MotionStatus motion_status;
-    std::tuple<float, float, bool> touch_status;
 
     // calibration data for scaling the device's touch area to 3ds
     struct CalibrationData {
@@ -68,48 +45,85 @@ struct DeviceStatus {
     std::optional<CalibrationData> touch_calibration;
 };
 
-class Client {
+/**
+ * A button device factory representing a keyboard. It receives keyboard events and forward them
+ * to all button devices it created.
+ */
+class UDPClient final : public InputCommon::InputEngine {
 public:
-    // Initialize the UDP client capture and read sequence
-    Client();
+    explicit UDPClient(const std::string& input_engine_);
+    ~UDPClient();
 
-    // Close and release the client
-    ~Client();
-
-    // Used for polling
-    void BeginConfiguration();
-    void EndConfiguration();
-
-    std::vector<Common::ParamPackage> GetInputDevices() const;
-
-    bool DeviceConnected(std::size_t pad) const;
     void ReloadSockets();
 
-    Common::SPSCQueue<UDPPadStatus>& GetPadQueue();
-    const Common::SPSCQueue<UDPPadStatus>& GetPadQueue() const;
-
-    DeviceStatus& GetPadState(const std::string& host, u16 port, std::size_t pad);
-    const DeviceStatus& GetPadState(const std::string& host, u16 port, std::size_t pad) const;
-
-    Input::TouchStatus& GetTouchState();
-    const Input::TouchStatus& GetTouchState() const;
+    /// Used for automapping features
+    std::vector<Common::ParamPackage> GetInputDevices() const override;
+    ButtonMapping GetButtonMappingForDevice(const Common::ParamPackage& params) override;
+    AnalogMapping GetAnalogMappingForDevice(const Common::ParamPackage& params) override;
+    MotionMapping GetMotionMappingForDevice(const Common::ParamPackage& params) override;
+    Common::Input::ButtonNames GetUIName(const Common::ParamPackage& params) const override;
 
 private:
+    enum class PadButton {
+        Undefined = 0x0000,
+        Share = 0x0001,
+        L3 = 0x0002,
+        R3 = 0x0004,
+        Options = 0x0008,
+        Up = 0x0010,
+        Right = 0x0020,
+        Down = 0x0040,
+        Left = 0x0080,
+        L2 = 0x0100,
+        R2 = 0x0200,
+        L1 = 0x0400,
+        R1 = 0x0800,
+        Triangle = 0x1000,
+        Circle = 0x2000,
+        Cross = 0x4000,
+        Square = 0x8000,
+        Touch1 = 0x10000,
+        touch2 = 0x20000,
+    };
+
+    enum class PadAxes : u8 {
+        LeftStickX,
+        LeftStickY,
+        RightStickX,
+        RightStickY,
+        AnalogLeft,
+        AnalogDown,
+        AnalogRight,
+        AnalogUp,
+        AnalogSquare,
+        AnalogCross,
+        AnalogCircle,
+        AnalogTriangle,
+        AnalogR1,
+        AnalogL1,
+        AnalogR2,
+        AnalogL3,
+        AnalogR3,
+        Touch1X,
+        Touch1Y,
+        Touch2X,
+        Touch2Y,
+        Undefined,
+    };
+
     struct PadData {
         std::size_t pad_index{};
         bool connected{};
         DeviceStatus status;
         u64 packet_sequence{};
 
-        // Realtime values
-        // motion is initalized with PID values for drift correction on joycons
-        InputCommon::MotionInput motion{0.3f, 0.005f, 0.0f};
         std::chrono::time_point<std::chrono::steady_clock> last_update;
     };
 
     struct ClientConnection {
         ClientConnection();
         ~ClientConnection();
+        Common::UUID uuid{"7F000001"};
         std::string host{"127.0.0.1"};
         u16 port{26760};
         s8 active{-1};
@@ -127,28 +141,16 @@ private:
     void OnPortInfo(Response::PortInfo);
     void OnPadData(Response::PadData, std::size_t client);
     void StartCommunication(std::size_t client, const std::string& host, u16 port);
-    void UpdateYuzuSettings(std::size_t client, std::size_t pad_index,
-                            const Common::Vec3<float>& acc, const Common::Vec3<float>& gyro);
+    const PadIdentifier GetPadIdentifier(std::size_t pad_index) const;
+    const Common::UUID GetHostUUID(const std::string host) const;
 
-    // Returns an unused finger id, if there is no fingers available std::nullopt will be
-    // returned
-    std::optional<std::size_t> GetUnusedFingerID() const;
-
-    // Merges and updates all touch inputs into the touch_status array
-    void UpdateTouchInput(Response::TouchPad& touch_pad, std::size_t client, std::size_t id);
-
-    bool configuring = false;
+    Common::Input::ButtonNames GetUIButtonName(const Common::ParamPackage& params) const;
 
     // Allocate clients for 8 udp servers
     static constexpr std::size_t MAX_UDP_CLIENTS = 8;
     static constexpr std::size_t PADS_PER_CLIENT = 4;
-    // Each client can have up 2 touch inputs
-    static constexpr std::size_t MAX_TOUCH_FINGERS = MAX_UDP_CLIENTS * 2;
     std::array<PadData, MAX_UDP_CLIENTS * PADS_PER_CLIENT> pads{};
     std::array<ClientConnection, MAX_UDP_CLIENTS> clients{};
-    Common::SPSCQueue<UDPPadStatus> pad_queue{};
-    Input::TouchStatus touch_status{};
-    std::array<std::size_t, MAX_TOUCH_FINGERS> finger_id{};
 };
 
 /// An async job allowing configuration of the touchpad calibration.

src/input_common/gcadapter/gc_adapter.h

@@ -1,168 +0,0 @@
-// Copyright 2014 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
-
-#pragma once
-#include <algorithm>
-#include <functional>
-#include <mutex>
-#include <thread>
-#include <unordered_map>
-#include "common/common_types.h"
-#include "common/threadsafe_queue.h"
-#include "input_common/main.h"
-
-struct libusb_context;
-struct libusb_device;
-struct libusb_device_handle;
-
-namespace GCAdapter {
-
-enum class PadButton {
-    Undefined = 0x0000,
-    ButtonLeft = 0x0001,
-    ButtonRight = 0x0002,
-    ButtonDown = 0x0004,
-    ButtonUp = 0x0008,
-    TriggerZ = 0x0010,
-    TriggerR = 0x0020,
-    TriggerL = 0x0040,
-    ButtonA = 0x0100,
-    ButtonB = 0x0200,
-    ButtonX = 0x0400,
-    ButtonY = 0x0800,
-    ButtonStart = 0x1000,
-    // Below is for compatibility with "AxisButton" type
-    Stick = 0x2000,
-};
-
-enum class PadAxes : u8 {
-    StickX,
-    StickY,
-    SubstickX,
-    SubstickY,
-    TriggerLeft,
-    TriggerRight,
-    Undefined,
-};
-
-enum class ControllerTypes {
-    None,
-    Wired,
-    Wireless,
-};
-
-struct GCPadStatus {
-    std::size_t port{};
-
-    PadButton button{PadButton::Undefined}; // Or-ed PAD_BUTTON_* and PAD_TRIGGER_* bits
-
-    PadAxes axis{PadAxes::Undefined};
-    s16 axis_value{};
-    u8 axis_threshold{50};
-};
-
-struct GCController {
-    ControllerTypes type{};
-    bool enable_vibration{};
-    u8 rumble_amplitude{};
-    u16 buttons{};
-    PadButton last_button{};
-    std::array<s16, 6> axis_values{};
-    std::array<u8, 6> axis_origin{};
-    u8 reset_origin_counter{};
-};
-
-class Adapter {
-public:
-    Adapter();
-    ~Adapter();
-
-    /// Request a vibration for a controller
-    bool RumblePlay(std::size_t port, u8 amplitude);
-
-    /// Used for polling
-    void BeginConfiguration();
-    void EndConfiguration();
-
-    Common::SPSCQueue<GCPadStatus>& GetPadQueue();
-    const Common::SPSCQueue<GCPadStatus>& GetPadQueue() const;
-
-    GCController& GetPadState(std::size_t port);
-    const GCController& GetPadState(std::size_t port) const;
-
-    /// Returns true if there is a device connected to port
-    bool DeviceConnected(std::size_t port) const;
-
-    /// Used for automapping features
-    std::vector<Common::ParamPackage> GetInputDevices() const;
-    InputCommon::ButtonMapping GetButtonMappingForDevice(const Common::ParamPackage& params) const;
-    InputCommon::AnalogMapping GetAnalogMappingForDevice(const Common::ParamPackage& params) const;
-
-private:
-    using AdapterPayload = std::array<u8, 37>;
-
-    void UpdatePadType(std::size_t port, ControllerTypes pad_type);
-    void UpdateControllers(const AdapterPayload& adapter_payload);
-    void UpdateYuzuSettings(std::size_t port);
-    void UpdateStateButtons(std::size_t port, u8 b1, u8 b2);
-    void UpdateStateAxes(std::size_t port, const AdapterPayload& adapter_payload);
-    void UpdateVibrations();
-
-    void AdapterInputThread();
-
-    void AdapterScanThread();
-
-    bool IsPayloadCorrect(const AdapterPayload& adapter_payload, s32 payload_size);
-
-    // Updates vibration state of all controllers
-    void SendVibrations();
-
-    /// For use in initialization, querying devices to find the adapter
-    void Setup();
-
-    /// Resets status of all GC controller devices to a disconnected state
-    void ResetDevices();
-
-    /// Resets status of device connected to a disconnected state
-    void ResetDevice(std::size_t port);
-
-    /// Returns true if we successfully gain access to GC Adapter
-    bool CheckDeviceAccess();
-
-    /// Captures GC Adapter endpoint address
-    /// Returns true if the endpoint was set correctly
-    bool GetGCEndpoint(libusb_device* device);
-
-    /// For shutting down, clear all data, join all threads, release usb
-    void Reset();
-
-    // Join all threads
-    void JoinThreads();
-
-    // Release usb handles
-    void ClearLibusbHandle();
-
-    libusb_device_handle* usb_adapter_handle = nullptr;
-    std::array<GCController, 4> pads;
-    Common::SPSCQueue<GCPadStatus> pad_queue;
-
-    std::thread adapter_input_thread;
-    std::thread adapter_scan_thread;
-    bool adapter_input_thread_running;
-    bool adapter_scan_thread_running;
-    bool restart_scan_thread;
-
-    libusb_context* libusb_ctx;
-
-    u8 input_endpoint{0};
-    u8 output_endpoint{0};
-    u8 input_error_counter{0};
-    u8 output_error_counter{0};
-    int vibration_counter{0};
-
-    bool configuring{false};
-    bool rumble_enabled{true};
-    bool vibration_changed{true};
-};
-} // namespace GCAdapter

src/input_common/gcadapter/gc_poller.cpp

@@ -1,356 +0,0 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <atomic>
-#include <list>
-#include <mutex>
-#include <utility>
-#include "common/assert.h"
-#include "common/threadsafe_queue.h"
-#include "input_common/gcadapter/gc_adapter.h"
-#include "input_common/gcadapter/gc_poller.h"
-
-namespace InputCommon {
-
-class GCButton final : public Input::ButtonDevice {
-public:
-    explicit GCButton(u32 port_, s32 button_, const GCAdapter::Adapter* adapter)
-        : port(port_), button(button_), gcadapter(adapter) {}
-
-    ~GCButton() override;
-
-    bool GetStatus() const override {
-        if (gcadapter->DeviceConnected(port)) {
-            return (gcadapter->GetPadState(port).buttons & button) != 0;
-        }
-        return false;
-    }
-
-private:
-    const u32 port;
-    const s32 button;
-    const GCAdapter::Adapter* gcadapter;
-};
-
-class GCAxisButton final : public Input::ButtonDevice {
-public:
-    explicit GCAxisButton(u32 port_, u32 axis_, float threshold_, bool trigger_if_greater_,
-                          const GCAdapter::Adapter* adapter)
-        : port(port_), axis(axis_), threshold(threshold_), trigger_if_greater(trigger_if_greater_),
-          gcadapter(adapter) {}
-
-    bool GetStatus() const override {
-        if (gcadapter->DeviceConnected(port)) {
-            const float current_axis_value = gcadapter->GetPadState(port).axis_values.at(axis);
-            const float axis_value = current_axis_value / 128.0f;
-            if (trigger_if_greater) {
-                // TODO: Might be worthwile to set a slider for the trigger threshold. It is
-                // currently always set to 0.5 in configure_input_player.cpp ZL/ZR HandleClick
-                return axis_value > threshold;
-            }
-            return axis_value < -threshold;
-        }
-        return false;
-    }
-
-private:
-    const u32 port;
-    const u32 axis;
-    float threshold;
-    bool trigger_if_greater;
-    const GCAdapter::Adapter* gcadapter;
-};
-
-GCButtonFactory::GCButtonFactory(std::shared_ptr<GCAdapter::Adapter> adapter_)
-    : adapter(std::move(adapter_)) {}
-
-GCButton::~GCButton() = default;
-
-std::unique_ptr<Input::ButtonDevice> GCButtonFactory::Create(const Common::ParamPackage& params) {
-    const auto button_id = params.Get("button", 0);
-    const auto port = static_cast<u32>(params.Get("port", 0));
-
-    constexpr s32 PAD_STICK_ID = static_cast<s32>(GCAdapter::PadButton::Stick);
-
-    // button is not an axis/stick button
-    if (button_id != PAD_STICK_ID) {
-        return std::make_unique<GCButton>(port, button_id, adapter.get());
-    }
-
-    // For Axis buttons, used by the binary sticks.
-    if (button_id == PAD_STICK_ID) {
-        const int axis = params.Get("axis", 0);
-        const float threshold = params.Get("threshold", 0.25f);
-        const std::string direction_name = params.Get("direction", "");
-        bool trigger_if_greater;
-        if (direction_name == "+") {
-            trigger_if_greater = true;
-        } else if (direction_name == "-") {
-            trigger_if_greater = false;
-        } else {
-            trigger_if_greater = true;
-            LOG_ERROR(Input, "Unknown direction {}", direction_name);
-        }
-        return std::make_unique<GCAxisButton>(port, axis, threshold, trigger_if_greater,
-                                              adapter.get());
-    }
-
-    return nullptr;
-}
-
-Common::ParamPackage GCButtonFactory::GetNextInput() const {
-    Common::ParamPackage params;
-    GCAdapter::GCPadStatus pad;
-    auto& queue = adapter->GetPadQueue();
-    while (queue.Pop(pad)) {
-        // This while loop will break on the earliest detected button
-        params.Set("engine", "gcpad");
-        params.Set("port", static_cast<s32>(pad.port));
-        if (pad.button != GCAdapter::PadButton::Undefined) {
-            params.Set("button", static_cast<u16>(pad.button));
-        }
-
-        // For Axis button implementation
-        if (pad.axis != GCAdapter::PadAxes::Undefined) {
-            params.Set("axis", static_cast<u8>(pad.axis));
-            params.Set("button", static_cast<u16>(GCAdapter::PadButton::Stick));
-            params.Set("threshold", "0.25");
-            if (pad.axis_value > 0) {
-                params.Set("direction", "+");
-            } else {
-                params.Set("direction", "-");
-            }
-            break;
-        }
-    }
-    return params;
-}
-
-void GCButtonFactory::BeginConfiguration() {
-    polling = true;
-    adapter->BeginConfiguration();
-}
-
-void GCButtonFactory::EndConfiguration() {
-    polling = false;
-    adapter->EndConfiguration();
-}
-
-class GCAnalog final : public Input::AnalogDevice {
-public:
-    explicit GCAnalog(u32 port_, u32 axis_x_, u32 axis_y_, bool invert_x_, bool invert_y_,
-                      float deadzone_, float range_, const GCAdapter::Adapter* adapter)
-        : port(port_), axis_x(axis_x_), axis_y(axis_y_), invert_x(invert_x_), invert_y(invert_y_),
-          deadzone(deadzone_), range(range_), gcadapter(adapter) {}
-
-    float GetAxis(u32 axis) const {
-        if (gcadapter->DeviceConnected(port)) {
-            std::lock_guard lock{mutex};
-            const auto axis_value =
-                static_cast<float>(gcadapter->GetPadState(port).axis_values.at(axis));
-            return (axis_value) / (100.0f * range);
-        }
-        return 0.0f;
-    }
-
-    std::pair<float, float> GetAnalog(u32 analog_axis_x, u32 analog_axis_y) const {
-        float x = GetAxis(analog_axis_x);
-        float y = GetAxis(analog_axis_y);
-        if (invert_x) {
-            x = -x;
-        }
-        if (invert_y) {
-            y = -y;
-        }
-        // Make sure the coordinates are in the unit circle,
-        // otherwise normalize it.
-        float r = x * x + y * y;
-        if (r > 1.0f) {
-            r = std::sqrt(r);
-            x /= r;
-            y /= r;
-        }
-
-        return {x, y};
-    }
-
-    std::tuple<float, float> GetStatus() const override {
-        const auto [x, y] = GetAnalog(axis_x, axis_y);
-        const float r = std::sqrt((x * x) + (y * y));
-        if (r > deadzone) {
-            return {x / r * (r - deadzone) / (1 - deadzone),
-                    y / r * (r - deadzone) / (1 - deadzone)};
-        }
-        return {0.0f, 0.0f};
-    }
-
-    std::tuple<float, float> GetRawStatus() const override {
-        const float x = GetAxis(axis_x);
-        const float y = GetAxis(axis_y);
-        return {x, y};
-    }
-
-    Input::AnalogProperties GetAnalogProperties() const override {
-        return {deadzone, range, 0.5f};
-    }
-
-    bool GetAnalogDirectionStatus(Input::AnalogDirection direction) const override {
-        const auto [x, y] = GetStatus();
-        const float directional_deadzone = 0.5f;
-        switch (direction) {
-        case Input::AnalogDirection::RIGHT:
-            return x > directional_deadzone;
-        case Input::AnalogDirection::LEFT:
-            return x < -directional_deadzone;
-        case Input::AnalogDirection::UP:
-            return y > directional_deadzone;
-        case Input::AnalogDirection::DOWN:
-            return y < -directional_deadzone;
-        }
-        return false;
-    }
-
-private:
-    const u32 port;
-    const u32 axis_x;
-    const u32 axis_y;
-    const bool invert_x;
-    const bool invert_y;
-    const float deadzone;
-    const float range;
-    const GCAdapter::Adapter* gcadapter;
-    mutable std::mutex mutex;
-};
-
-/// An analog device factory that creates analog devices from GC Adapter
-GCAnalogFactory::GCAnalogFactory(std::shared_ptr<GCAdapter::Adapter> adapter_)
-    : adapter(std::move(adapter_)) {}
-
-/**
- * Creates analog device from joystick axes
- * @param params contains parameters for creating the device:
- *     - "port": the nth gcpad on the adapter
- *     - "axis_x": the index of the axis to be bind as x-axis
- *     - "axis_y": the index of the axis to be bind as y-axis
- */
-std::unique_ptr<Input::AnalogDevice> GCAnalogFactory::Create(const Common::ParamPackage& params) {
-    const auto port = static_cast<u32>(params.Get("port", 0));
-    const auto axis_x = static_cast<u32>(params.Get("axis_x", 0));
-    const auto axis_y = static_cast<u32>(params.Get("axis_y", 1));
-    const auto deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, 1.0f);
-    const auto range = std::clamp(params.Get("range", 1.0f), 0.50f, 1.50f);
-    const std::string invert_x_value = params.Get("invert_x", "+");
-    const std::string invert_y_value = params.Get("invert_y", "+");
-    const bool invert_x = invert_x_value == "-";
-    const bool invert_y = invert_y_value == "-";
-
-    return std::make_unique<GCAnalog>(port, axis_x, axis_y, invert_x, invert_y, deadzone, range,
-                                      adapter.get());
-}
-
-void GCAnalogFactory::BeginConfiguration() {
-    polling = true;
-    adapter->BeginConfiguration();
-}
-
-void GCAnalogFactory::EndConfiguration() {
-    polling = false;
-    adapter->EndConfiguration();
-}
-
-Common::ParamPackage GCAnalogFactory::GetNextInput() {
-    GCAdapter::GCPadStatus pad;
-    Common::ParamPackage params;
-    auto& queue = adapter->GetPadQueue();
-    while (queue.Pop(pad)) {
-        if (pad.button != GCAdapter::PadButton::Undefined) {
-            params.Set("engine", "gcpad");
-            params.Set("port", static_cast<s32>(pad.port));
-            params.Set("button", static_cast<u16>(pad.button));
-            return params;
-        }
-        if (pad.axis == GCAdapter::PadAxes::Undefined ||
-            std::abs(static_cast<float>(pad.axis_value) / 128.0f) < 0.1f) {
-            continue;
-        }
-        // An analog device needs two axes, so we need to store the axis for later and wait for
-        // a second input event. The axes also must be from the same joystick.
-        const u8 axis = static_cast<u8>(pad.axis);
-        if (axis == 0 || axis == 1) {
-            analog_x_axis = 0;
-            analog_y_axis = 1;
-            controller_number = static_cast<s32>(pad.port);
-            break;
-        }
-        if (axis == 2 || axis == 3) {
-            analog_x_axis = 2;
-            analog_y_axis = 3;
-            controller_number = static_cast<s32>(pad.port);
-            break;
-        }
-
-        if (analog_x_axis == -1) {
-            analog_x_axis = axis;
-            controller_number = static_cast<s32>(pad.port);
-        } else if (analog_y_axis == -1 && analog_x_axis != axis &&
-                   controller_number == static_cast<s32>(pad.port)) {
-            analog_y_axis = axis;
-            break;
-        }
-    }
-    if (analog_x_axis != -1 && analog_y_axis != -1) {
-        params.Set("engine", "gcpad");
-        params.Set("port", controller_number);
-        params.Set("axis_x", analog_x_axis);
-        params.Set("axis_y", analog_y_axis);
-        params.Set("invert_x", "+");
-        params.Set("invert_y", "+");
-        analog_x_axis = -1;
-        analog_y_axis = -1;
-        controller_number = -1;
-        return params;
-    }
-    return params;
-}
-
-class GCVibration final : public Input::VibrationDevice {
-public:
-    explicit GCVibration(u32 port_, GCAdapter::Adapter* adapter)
-        : port(port_), gcadapter(adapter) {}
-
-    u8 GetStatus() const override {
-        return gcadapter->RumblePlay(port, 0);
-    }
-
-    bool SetRumblePlay(f32 amp_low, [[maybe_unused]] f32 freq_low, f32 amp_high,
-                       [[maybe_unused]] f32 freq_high) const override {
-        const auto mean_amplitude = (amp_low + amp_high) * 0.5f;
-        const auto processed_amplitude =
-            static_cast<u8>((mean_amplitude + std::pow(mean_amplitude, 0.3f)) * 0.5f * 0x8);
-
-        return gcadapter->RumblePlay(port, processed_amplitude);
-    }
-
-private:
-    const u32 port;
-    GCAdapter::Adapter* gcadapter;
-};
-
-/// An vibration device factory that creates vibration devices from GC Adapter
-GCVibrationFactory::GCVibrationFactory(std::shared_ptr<GCAdapter::Adapter> adapter_)
-    : adapter(std::move(adapter_)) {}
-
-/**
- * Creates a vibration device from a joystick
- * @param params contains parameters for creating the device:
- *     - "port": the nth gcpad on the adapter
- */
-std::unique_ptr<Input::VibrationDevice> GCVibrationFactory::Create(
-    const Common::ParamPackage& params) {
-    const auto port = static_cast<u32>(params.Get("port", 0));
-
-    return std::make_unique<GCVibration>(port, adapter.get());
-}
-
-} // namespace InputCommon

src/input_common/gcadapter/gc_poller.h

@@ -1,78 +0,0 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <memory>
-#include "core/frontend/input.h"
-#include "input_common/gcadapter/gc_adapter.h"
-
-namespace InputCommon {
-
-/**
- * A button device factory representing a gcpad. It receives gcpad events and forward them
- * to all button devices it created.
- */
-class GCButtonFactory final : public Input::Factory<Input::ButtonDevice> {
-public:
-    explicit GCButtonFactory(std::shared_ptr<GCAdapter::Adapter> adapter_);
-
-    /**
-     * Creates a button device from a button press
-     * @param params contains parameters for creating the device:
-     *     - "code": the code of the key to bind with the button
-     */
-    std::unique_ptr<Input::ButtonDevice> Create(const Common::ParamPackage& params) override;
-
-    Common::ParamPackage GetNextInput() const;
-
-    /// For device input configuration/polling
-    void BeginConfiguration();
-    void EndConfiguration();
-
-    bool IsPolling() const {
-        return polling;
-    }
-
-private:
-    std::shared_ptr<GCAdapter::Adapter> adapter;
-    bool polling = false;
-};
-
-/// An analog device factory that creates analog devices from GC Adapter
-class GCAnalogFactory final : public Input::Factory<Input::AnalogDevice> {
-public:
-    explicit GCAnalogFactory(std::shared_ptr<GCAdapter::Adapter> adapter_);
-
-    std::unique_ptr<Input::AnalogDevice> Create(const Common::ParamPackage& params) override;
-    Common::ParamPackage GetNextInput();
-
-    /// For device input configuration/polling
-    void BeginConfiguration();
-    void EndConfiguration();
-
-    bool IsPolling() const {
-        return polling;
-    }
-
-private:
-    std::shared_ptr<GCAdapter::Adapter> adapter;
-    int analog_x_axis = -1;
-    int analog_y_axis = -1;
-    int controller_number = -1;
-    bool polling = false;
-};
-
-/// A vibration device factory creates vibration devices from GC Adapter
-class GCVibrationFactory final : public Input::Factory<Input::VibrationDevice> {
-public:
-    explicit GCVibrationFactory(std::shared_ptr<GCAdapter::Adapter> adapter_);
-
-    std::unique_ptr<Input::VibrationDevice> Create(const Common::ParamPackage& params) override;
-
-private:
-    std::shared_ptr<GCAdapter::Adapter> adapter;
-};
-
-} // namespace InputCommon

src/input_common/helpers/stick_from_buttons.cpp

@@ -0,0 +1,304 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <chrono>
+#include <cmath>
+#include "common/math_util.h"
+#include "common/settings.h"
+#include "input_common/helpers/stick_from_buttons.h"
+
+namespace InputCommon {
+
+class Stick final : public Common::Input::InputDevice {
+public:
+    using Button = std::unique_ptr<Common::Input::InputDevice>;
+
+    Stick(Button up_, Button down_, Button left_, Button right_, Button modifier_,
+          float modifier_scale_, float modifier_angle_)
+        : up(std::move(up_)), down(std::move(down_)), left(std::move(left_)),
+          right(std::move(right_)), modifier(std::move(modifier_)), modifier_scale(modifier_scale_),
+          modifier_angle(modifier_angle_) {
+        Common::Input::InputCallback button_up_callback{
+            [this](Common::Input::CallbackStatus callback_) { UpdateUpButtonStatus(callback_); }};
+        Common::Input::InputCallback button_down_callback{
+            [this](Common::Input::CallbackStatus callback_) { UpdateDownButtonStatus(callback_); }};
+        Common::Input::InputCallback button_left_callback{
+            [this](Common::Input::CallbackStatus callback_) { UpdateLeftButtonStatus(callback_); }};
+        Common::Input::InputCallback button_right_callback{
+            [this](Common::Input::CallbackStatus callback_) {
+                UpdateRightButtonStatus(callback_);
+            }};
+        Common::Input::InputCallback button_modifier_callback{
+            [this](Common::Input::CallbackStatus callback_) { UpdateModButtonStatus(callback_); }};
+        up->SetCallback(button_up_callback);
+        down->SetCallback(button_down_callback);
+        left->SetCallback(button_left_callback);
+        right->SetCallback(button_right_callback);
+        modifier->SetCallback(button_modifier_callback);
+        last_x_axis_value = 0.0f;
+        last_y_axis_value = 0.0f;
+    }
+
+    bool IsAngleGreater(float old_angle, float new_angle) const {
+        constexpr float TAU = Common::PI * 2.0f;
+        // Use wider angle to ease the transition.
+        constexpr float aperture = TAU * 0.15f;
+        const float top_limit = new_angle + aperture;
+        return (old_angle > new_angle && old_angle <= top_limit) ||
+               (old_angle + TAU > new_angle && old_angle + TAU <= top_limit);
+    }
+
+    bool IsAngleSmaller(float old_angle, float new_angle) const {
+        constexpr float TAU = Common::PI * 2.0f;
+        // Use wider angle to ease the transition.
+        constexpr float aperture = TAU * 0.15f;
+        const float bottom_limit = new_angle - aperture;
+        return (old_angle >= bottom_limit && old_angle < new_angle) ||
+               (old_angle - TAU >= bottom_limit && old_angle - TAU < new_angle);
+    }
+
+    float GetAngle(std::chrono::time_point<std::chrono::steady_clock> now) const {
+        constexpr float TAU = Common::PI * 2.0f;
+        float new_angle = angle;
+
+        auto time_difference = static_cast<float>(
+            std::chrono::duration_cast<std::chrono::microseconds>(now - last_update).count());
+        time_difference /= 1000.0f * 1000.0f;
+        if (time_difference > 0.5f) {
+            time_difference = 0.5f;
+        }
+
+        if (IsAngleGreater(new_angle, goal_angle)) {
+            new_angle -= modifier_angle * time_difference;
+            if (new_angle < 0) {
+                new_angle += TAU;
+            }
+            if (!IsAngleGreater(new_angle, goal_angle)) {
+                return goal_angle;
+            }
+        } else if (IsAngleSmaller(new_angle, goal_angle)) {
+            new_angle += modifier_angle * time_difference;
+            if (new_angle >= TAU) {
+                new_angle -= TAU;
+            }
+            if (!IsAngleSmaller(new_angle, goal_angle)) {
+                return goal_angle;
+            }
+        } else {
+            return goal_angle;
+        }
+        return new_angle;
+    }
+
+    void SetGoalAngle(bool r, bool l, bool u, bool d) {
+        // Move to the right
+        if (r && !u && !d) {
+            goal_angle = 0.0f;
+        }
+
+        // Move to the upper right
+        if (r && u && !d) {
+            goal_angle = Common::PI * 0.25f;
+        }
+
+        // Move up
+        if (u && !l && !r) {
+            goal_angle = Common::PI * 0.5f;
+        }
+
+        // Move to the upper left
+        if (l && u && !d) {
+            goal_angle = Common::PI * 0.75f;
+        }
+
+        // Move to the left
+        if (l && !u && !d) {
+            goal_angle = Common::PI;
+        }
+
+        // Move to the bottom left
+        if (l && !u && d) {
+            goal_angle = Common::PI * 1.25f;
+        }
+
+        // Move down
+        if (d && !l && !r) {
+            goal_angle = Common::PI * 1.5f;
+        }
+
+        // Move to the bottom right
+        if (r && !u && d) {
+            goal_angle = Common::PI * 1.75f;
+        }
+    }
+
+    void UpdateUpButtonStatus(Common::Input::CallbackStatus button_callback) {
+        up_status = button_callback.button_status.value;
+        UpdateStatus();
+    }
+
+    void UpdateDownButtonStatus(Common::Input::CallbackStatus button_callback) {
+        down_status = button_callback.button_status.value;
+        UpdateStatus();
+    }
+
+    void UpdateLeftButtonStatus(Common::Input::CallbackStatus button_callback) {
+        left_status = button_callback.button_status.value;
+        UpdateStatus();
+    }
+
+    void UpdateRightButtonStatus(Common::Input::CallbackStatus button_callback) {
+        right_status = button_callback.button_status.value;
+        UpdateStatus();
+    }
+
+    void UpdateModButtonStatus(Common::Input::CallbackStatus button_callback) {
+        modifier_status = button_callback.button_status.value;
+        UpdateStatus();
+    }
+
+    void UpdateStatus() {
+        const float coef = modifier_status ? modifier_scale : 1.0f;
+
+        bool r = right_status;
+        bool l = left_status;
+        bool u = up_status;
+        bool d = down_status;
+
+        // Eliminate contradictory movements
+        if (r && l) {
+            r = false;
+            l = false;
+        }
+        if (u && d) {
+            u = false;
+            d = false;
+        }
+
+        // Move if a key is pressed
+        if (r || l || u || d) {
+            amplitude = coef;
+        } else {
+            amplitude = 0;
+        }
+
+        const auto now = std::chrono::steady_clock::now();
+        const auto time_difference = static_cast<u64>(
+            std::chrono::duration_cast<std::chrono::milliseconds>(now - last_update).count());
+
+        if (time_difference < 10) {
+            // Disable analog mode if inputs are too fast
+            SetGoalAngle(r, l, u, d);
+            angle = goal_angle;
+        } else {
+            angle = GetAngle(now);
+            SetGoalAngle(r, l, u, d);
+        }
+
+        last_update = now;
+        Common::Input::CallbackStatus status{
+            .type = Common::Input::InputType::Stick,
+            .stick_status = GetStatus(),
+        };
+        last_x_axis_value = status.stick_status.x.raw_value;
+        last_y_axis_value = status.stick_status.y.raw_value;
+        TriggerOnChange(status);
+    }
+
+    void ForceUpdate() override {
+        up->ForceUpdate();
+        down->ForceUpdate();
+        left->ForceUpdate();
+        right->ForceUpdate();
+        modifier->ForceUpdate();
+    }
+
+    void SoftUpdate() override {
+        Common::Input::CallbackStatus status{
+            .type = Common::Input::InputType::Stick,
+            .stick_status = GetStatus(),
+        };
+        if (last_x_axis_value == status.stick_status.x.raw_value &&
+            last_y_axis_value == status.stick_status.y.raw_value) {
+            return;
+        }
+        last_x_axis_value = status.stick_status.x.raw_value;
+        last_y_axis_value = status.stick_status.y.raw_value;
+        TriggerOnChange(status);
+    }
+
+    Common::Input::StickStatus GetStatus() const {
+        Common::Input::StickStatus status{};
+        status.x.properties = properties;
+        status.y.properties = properties;
+        if (Settings::values.emulate_analog_keyboard) {
+            const auto now = std::chrono::steady_clock::now();
+            float angle_ = GetAngle(now);
+            status.x.raw_value = std::cos(angle_) * amplitude;
+            status.y.raw_value = std::sin(angle_) * amplitude;
+            return status;
+        }
+        constexpr float SQRT_HALF = 0.707106781f;
+        int x = 0, y = 0;
+        if (right_status) {
+            ++x;
+        }
+        if (left_status) {
+            --x;
+        }
+        if (up_status) {
+            ++y;
+        }
+        if (down_status) {
+            --y;
+        }
+        const float coef = modifier_status ? modifier_scale : 1.0f;
+        status.x.raw_value = static_cast<float>(x) * coef * (y == 0 ? 1.0f : SQRT_HALF);
+        status.y.raw_value = static_cast<float>(y) * coef * (x == 0 ? 1.0f : SQRT_HALF);
+        return status;
+    }
+
+private:
+    Button up;
+    Button down;
+    Button left;
+    Button right;
+    Button modifier;
+    float modifier_scale;
+    float modifier_angle;
+    float angle{};
+    float goal_angle{};
+    float amplitude{};
+    bool up_status;
+    bool down_status;
+    bool left_status;
+    bool right_status;
+    bool modifier_status;
+    float last_x_axis_value;
+    float last_y_axis_value;
+    const Common::Input::AnalogProperties properties{0.0f, 1.0f, 0.5f, 0.0f, false};
+    std::chrono::time_point<std::chrono::steady_clock> last_update;
+};
+
+std::unique_ptr<Common::Input::InputDevice> StickFromButton::Create(
+    const Common::ParamPackage& params) {
+    const std::string null_engine = Common::ParamPackage{{"engine", "null"}}.Serialize();
+    auto up = Common::Input::CreateDeviceFromString<Common::Input::InputDevice>(
+        params.Get("up", null_engine));
+    auto down = Common::Input::CreateDeviceFromString<Common::Input::InputDevice>(
+        params.Get("down", null_engine));
+    auto left = Common::Input::CreateDeviceFromString<Common::Input::InputDevice>(
+        params.Get("left", null_engine));
+    auto right = Common::Input::CreateDeviceFromString<Common::Input::InputDevice>(
+        params.Get("right", null_engine));
+    auto modifier = Common::Input::CreateDeviceFromString<Common::Input::InputDevice>(
+        params.Get("modifier", null_engine));
+    auto modifier_scale = params.Get("modifier_scale", 0.5f);
+    auto modifier_angle = params.Get("modifier_angle", 5.5f);
+    return std::make_unique<Stick>(std::move(up), std::move(down), std::move(left),
+                                   std::move(right), std::move(modifier), modifier_scale,
+                                   modifier_angle);
+}
+
+} // namespace InputCommon

src/input_common/helpers/stick_from_buttons.h

@@ -4,8 +4,7 @@
 
 #pragma once
 
-#include <memory>
-#include "core/frontend/input.h"
+#include "common/input.h"
 
 namespace InputCommon {
 
@@ -13,7 +12,7 @@ namespace InputCommon {
  * An analog device factory that takes direction button devices and combines them into a analog
  * device.
  */
-class AnalogFromButton final : public Input::Factory<Input::AnalogDevice> {
+class StickFromButton final : public Common::Input::Factory<Common::Input::InputDevice> {
 public:
     /**
      * Creates an analog device from direction button devices
@@ -25,7 +24,7 @@ public:
      *     - "modifier": a serialized ParamPackage for creating a button device as the modifier
      *     - "modifier_scale": a float for the multiplier the modifier gives to the position
      */
-    std::unique_ptr<Input::AnalogDevice> Create(const Common::ParamPackage& params) override;
+    std::unique_ptr<Common::Input::InputDevice> Create(const Common::ParamPackage& params) override;
 };
 
 } // namespace InputCommon

src/input_common/helpers/touch_from_buttons.cpp

@@ -0,0 +1,81 @@
+// Copyright 2020 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include "common/settings.h"
+#include "core/frontend/framebuffer_layout.h"
+#include "input_common/helpers/touch_from_buttons.h"
+
+namespace InputCommon {
+
+class TouchFromButtonDevice final : public Common::Input::InputDevice {
+public:
+    using Button = std::unique_ptr<Common::Input::InputDevice>;
+    TouchFromButtonDevice(Button button_, int touch_id_, float x_, float y_)
+        : button(std::move(button_)), touch_id(touch_id_), x(x_), y(y_) {
+        Common::Input::InputCallback button_up_callback{
+            [this](Common::Input::CallbackStatus callback_) { UpdateButtonStatus(callback_); }};
+        last_button_value = false;
+        button->SetCallback(button_up_callback);
+        button->ForceUpdate();
+    }
+
+    void ForceUpdate() override {
+        button->ForceUpdate();
+    }
+
+    Common::Input::TouchStatus GetStatus(bool pressed) const {
+        const Common::Input::ButtonStatus button_status{
+            .value = pressed,
+        };
+        Common::Input::TouchStatus status{
+            .pressed = button_status,
+            .x = {},
+            .y = {},
+            .id = touch_id,
+        };
+        status.x.properties = properties;
+        status.y.properties = properties;
+
+        if (!pressed) {
+            return status;
+        }
+
+        status.x.raw_value = x;
+        status.y.raw_value = y;
+        return status;
+    }
+
+    void UpdateButtonStatus(Common::Input::CallbackStatus button_callback) {
+        const Common::Input::CallbackStatus status{
+            .type = Common::Input::InputType::Touch,
+            .touch_status = GetStatus(button_callback.button_status.value),
+        };
+        if (last_button_value != button_callback.button_status.value) {
+            last_button_value = button_callback.button_status.value;
+            TriggerOnChange(status);
+        }
+    }
+
+private:
+    Button button;
+    bool last_button_value;
+    const int touch_id;
+    const float x;
+    const float y;
+    const Common::Input::AnalogProperties properties{0.0f, 1.0f, 0.5f, 0.0f, false};
+};
+
+std::unique_ptr<Common::Input::InputDevice> TouchFromButton::Create(
+    const Common::ParamPackage& params) {
+    const std::string null_engine = Common::ParamPackage{{"engine", "null"}}.Serialize();
+    auto button = Common::Input::CreateDeviceFromString<Common::Input::InputDevice>(
+        params.Get("button", null_engine));
+    const auto touch_id = params.Get("touch_id", 0);
+    const float x = params.Get("x", 0.0f) / 1280.0f;
+    const float y = params.Get("y", 0.0f) / 720.0f;
+    return std::make_unique<TouchFromButtonDevice>(std::move(button), touch_id, x, y);
+}
+
+} // namespace InputCommon

src/input_common/helpers/touch_from_buttons.h

@@ -4,20 +4,19 @@
 
 #pragma once
 
-#include <memory>
-#include "core/frontend/input.h"
+#include "common/input.h"
 
 namespace InputCommon {
 
 /**
  * A touch device factory that takes a list of button devices and combines them into a touch device.
  */
-class TouchFromButtonFactory final : public Input::Factory<Input::TouchDevice> {
+class TouchFromButton final : public Common::Input::Factory<Common::Input::InputDevice> {
 public:
     /**
      * Creates a touch device from a list of button devices
      */
-    std::unique_ptr<Input::TouchDevice> Create(const Common::ParamPackage& params) override;
+    std::unique_ptr<Common::Input::InputDevice> Create(const Common::ParamPackage& params) override;
 };
 
 } // namespace InputCommon

src/input_common/helpers/udp_protocol.cpp

@@ -5,7 +5,7 @@
 #include <cstddef>
 #include <cstring>
 #include "common/logging/log.h"
-#include "input_common/udp/protocol.h"
+#include "input_common/helpers/udp_protocol.h"
 
 namespace InputCommon::CemuhookUDP {
 

src/input_common/helpers/udp_protocol.h

@@ -56,6 +56,12 @@ constexpr Type GetMessageType();
 
 namespace Request {
 
+enum RegisterFlags : u8 {
+    AllPads,
+    PadID,
+    PadMACAdddress,
+};
+
 struct Version {};
 /**
  * Requests the server to send information about what controllers are plugged into the ports
@@ -77,13 +83,8 @@ static_assert(std::is_trivially_copyable_v<PortInfo>,
  * timeout seems to be 5 seconds.
  */
 struct PadData {
-    enum class Flags : u8 {
-        AllPorts,
-        Id,
-        Mac,
-    };
     /// Determines which method will be used as a look up for the controller
-    Flags flags{};
+    RegisterFlags flags{};
     /// Index of the port of the controller to retrieve data about
     u8 port_id{};
     /// Mac address of the controller to retrieve data about
@@ -113,6 +114,36 @@ Message<T> Create(const T data, const u32 client_id = 0) {
 
 namespace Response {
 
+enum class ConnectionType : u8 {
+    None,
+    Usb,
+    Bluetooth,
+};
+
+enum class State : u8 {
+    Disconnected,
+    Reserved,
+    Connected,
+};
+
+enum class Model : u8 {
+    None,
+    PartialGyro,
+    FullGyro,
+    Generic,
+};
+
+enum class Battery : u8 {
+    None = 0x00,
+    Dying = 0x01,
+    Low = 0x02,
+    Medium = 0x03,
+    High = 0x04,
+    Full = 0x05,
+    Charging = 0xEE,
+    Charged = 0xEF,
+};
+
 struct Version {
     u16_le version{};
 };
@@ -122,11 +153,11 @@ static_assert(std::is_trivially_copyable_v<Version>,
 
 struct PortInfo {
     u8 id{};
-    u8 state{};
-    u8 model{};
-    u8 connection_type{};
+    State state{};
+    Model model{};
+    ConnectionType connection_type{};
     MacAddress mac;
-    u8 battery{};
+    Battery battery{};
     u8 is_pad_active{};
 };
 static_assert(sizeof(PortInfo) == 12, "UDP Response PortInfo struct has wrong size");
@@ -177,18 +208,18 @@ struct PadData {
     u8 right_stick_y{};
 
     struct AnalogButton {
-        u8 button_8{};
-        u8 button_7{};
-        u8 button_6{};
-        u8 button_5{};
-        u8 button_12{};
-        u8 button_11{};
-        u8 button_10{};
-        u8 button_9{};
-        u8 button_16{};
-        u8 button_15{};
-        u8 button_14{};
-        u8 button_13{};
+        u8 button_dpad_left_analog{};
+        u8 button_dpad_down_analog{};
+        u8 button_dpad_right_analog{};
+        u8 button_dpad_up_analog{};
+        u8 button_square_analog{};
+        u8 button_cross_analog{};
+        u8 button_circle_analog{};
+        u8 button_triangle_analog{};
+        u8 button_r1_analog{};
+        u8 button_l1_analog{};
+        u8 trigger_r2{};
+        u8 trigger_l2{};
     } analog_button;
 
     std::array<TouchPad, 2> touch;

src/input_common/input_engine.cpp

@@ -0,0 +1,364 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#include "common/logging/log.h"
+#include "common/param_package.h"
+#include "input_common/input_engine.h"
+
+namespace InputCommon {
+
+void InputEngine::PreSetController(const PadIdentifier& identifier) {
+    std::lock_guard lock{mutex};
+    if (!controller_list.contains(identifier)) {
+        controller_list.insert_or_assign(identifier, ControllerData{});
+    }
+}
+
+void InputEngine::PreSetButton(const PadIdentifier& identifier, int button) {
+    std::lock_guard lock{mutex};
+    ControllerData& controller = controller_list.at(identifier);
+    if (!controller.buttons.contains(button)) {
+        controller.buttons.insert_or_assign(button, false);
+    }
+}
+
+void InputEngine::PreSetHatButton(const PadIdentifier& identifier, int button) {
+    std::lock_guard lock{mutex};
+    ControllerData& controller = controller_list.at(identifier);
+    if (!controller.hat_buttons.contains(button)) {
+        controller.hat_buttons.insert_or_assign(button, u8{0});
+    }
+}
+
+void InputEngine::PreSetAxis(const PadIdentifier& identifier, int axis) {
+    std::lock_guard lock{mutex};
+    ControllerData& controller = controller_list.at(identifier);
+    if (!controller.axes.contains(axis)) {
+        controller.axes.insert_or_assign(axis, 0.0f);
+    }
+}
+
+void InputEngine::PreSetMotion(const PadIdentifier& identifier, int motion) {
+    std::lock_guard lock{mutex};
+    ControllerData& controller = controller_list.at(identifier);
+    if (!controller.motions.contains(motion)) {
+        controller.motions.insert_or_assign(motion, BasicMotion{});
+    }
+}
+
+void InputEngine::SetButton(const PadIdentifier& identifier, int button, bool value) {
+    {
+        std::lock_guard lock{mutex};
+        ControllerData& controller = controller_list.at(identifier);
+        if (!configuring) {
+            controller.buttons.insert_or_assign(button, value);
+        }
+    }
+    TriggerOnButtonChange(identifier, button, value);
+}
+
+void InputEngine::SetHatButton(const PadIdentifier& identifier, int button, u8 value) {
+    {
+        std::lock_guard lock{mutex};
+        ControllerData& controller = controller_list.at(identifier);
+        if (!configuring) {
+            controller.hat_buttons.insert_or_assign(button, value);
+        }
+    }
+    TriggerOnHatButtonChange(identifier, button, value);
+}
+
+void InputEngine::SetAxis(const PadIdentifier& identifier, int axis, f32 value) {
+    {
+        std::lock_guard lock{mutex};
+        ControllerData& controller = controller_list.at(identifier);
+        if (!configuring) {
+            controller.axes.insert_or_assign(axis, value);
+        }
+    }
+    TriggerOnAxisChange(identifier, axis, value);
+}
+
+void InputEngine::SetBattery(const PadIdentifier& identifier, BatteryLevel value) {
+    {
+        std::lock_guard lock{mutex};
+        ControllerData& controller = controller_list.at(identifier);
+        if (!configuring) {
+            controller.battery = value;
+        }
+    }
+    TriggerOnBatteryChange(identifier, value);
+}
+
+void InputEngine::SetMotion(const PadIdentifier& identifier, int motion, BasicMotion value) {
+    {
+        std::lock_guard lock{mutex};
+        ControllerData& controller = controller_list.at(identifier);
+        if (!configuring) {
+            controller.motions.insert_or_assign(motion, value);
+        }
+    }
+    TriggerOnMotionChange(identifier, motion, value);
+}
+
+bool InputEngine::GetButton(const PadIdentifier& identifier, int button) const {
+    std::lock_guard lock{mutex};
+    if (!controller_list.contains(identifier)) {
+        LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
+                  identifier.pad, identifier.port);
+        return false;
+    }
+    ControllerData controller = controller_list.at(identifier);
+    if (!controller.buttons.contains(button)) {
+        LOG_ERROR(Input, "Invalid button {}", button);
+        return false;
+    }
+    return controller.buttons.at(button);
+}
+
+bool InputEngine::GetHatButton(const PadIdentifier& identifier, int button, u8 direction) const {
+    std::lock_guard lock{mutex};
+    if (!controller_list.contains(identifier)) {
+        LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
+                  identifier.pad, identifier.port);
+        return false;
+    }
+    ControllerData controller = controller_list.at(identifier);
+    if (!controller.hat_buttons.contains(button)) {
+        LOG_ERROR(Input, "Invalid hat button {}", button);
+        return false;
+    }
+    return (controller.hat_buttons.at(button) & direction) != 0;
+}
+
+f32 InputEngine::GetAxis(const PadIdentifier& identifier, int axis) const {
+    std::lock_guard lock{mutex};
+    if (!controller_list.contains(identifier)) {
+        LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
+                  identifier.pad, identifier.port);
+        return 0.0f;
+    }
+    ControllerData controller = controller_list.at(identifier);
+    if (!controller.axes.contains(axis)) {
+        LOG_ERROR(Input, "Invalid axis {}", axis);
+        return 0.0f;
+    }
+    return controller.axes.at(axis);
+}
+
+BatteryLevel InputEngine::GetBattery(const PadIdentifier& identifier) const {
+    std::lock_guard lock{mutex};
+    if (!controller_list.contains(identifier)) {
+        LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
+                  identifier.pad, identifier.port);
+        return BatteryLevel::Charging;
+    }
+    ControllerData controller = controller_list.at(identifier);
+    return controller.battery;
+}
+
+BasicMotion InputEngine::GetMotion(const PadIdentifier& identifier, int motion) const {
+    std::lock_guard lock{mutex};
+    if (!controller_list.contains(identifier)) {
+        LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
+                  identifier.pad, identifier.port);
+        return {};
+    }
+    ControllerData controller = controller_list.at(identifier);
+    return controller.motions.at(motion);
+}
+
+void InputEngine::ResetButtonState() {
+    for (std::pair<PadIdentifier, ControllerData> controller : controller_list) {
+        for (std::pair<int, bool> button : controller.second.buttons) {
+            SetButton(controller.first, button.first, false);
+        }
+        for (std::pair<int, bool> button : controller.second.hat_buttons) {
+            SetHatButton(controller.first, button.first, false);
+        }
+    }
+}
+
+void InputEngine::ResetAnalogState() {
+    for (std::pair<PadIdentifier, ControllerData> controller : controller_list) {
+        for (std::pair<int, float> axis : controller.second.axes) {
+            SetAxis(controller.first, axis.first, 0.0);
+        }
+    }
+}
+
+void InputEngine::TriggerOnButtonChange(const PadIdentifier& identifier, int button, bool value) {
+    std::lock_guard lock{mutex_callback};
+    for (const std::pair<int, InputIdentifier> poller_pair : callback_list) {
+        const InputIdentifier& poller = poller_pair.second;
+        if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::Button, button)) {
+            continue;
+        }
+        if (poller.callback.on_change) {
+            poller.callback.on_change();
+        }
+    }
+    if (!configuring || !mapping_callback.on_data) {
+        return;
+    }
+
+    PreSetButton(identifier, button);
+    if (value == GetButton(identifier, button)) {
+        return;
+    }
+    mapping_callback.on_data(MappingData{
+        .engine = GetEngineName(),
+        .pad = identifier,
+        .type = EngineInputType::Button,
+        .index = button,
+        .button_value = value,
+    });
+}
+
+void InputEngine::TriggerOnHatButtonChange(const PadIdentifier& identifier, int button, u8 value) {
+    std::lock_guard lock{mutex_callback};
+    for (const std::pair<int, InputIdentifier> poller_pair : callback_list) {
+        const InputIdentifier& poller = poller_pair.second;
+        if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::HatButton, button)) {
+            continue;
+        }
+        if (poller.callback.on_change) {
+            poller.callback.on_change();
+        }
+    }
+    if (!configuring || !mapping_callback.on_data) {
+        return;
+    }
+    for (std::size_t index = 1; index < 0xff; index <<= 1) {
+        bool button_value = (value & index) != 0;
+        if (button_value == GetHatButton(identifier, button, static_cast<u8>(index))) {
+            continue;
+        }
+        mapping_callback.on_data(MappingData{
+            .engine = GetEngineName(),
+            .pad = identifier,
+            .type = EngineInputType::HatButton,
+            .index = button,
+            .hat_name = GetHatButtonName(static_cast<u8>(index)),
+        });
+    }
+}
+
+void InputEngine::TriggerOnAxisChange(const PadIdentifier& identifier, int axis, f32 value) {
+    std::lock_guard lock{mutex_callback};
+    for (const std::pair<int, InputIdentifier> poller_pair : callback_list) {
+        const InputIdentifier& poller = poller_pair.second;
+        if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::Analog, axis)) {
+            continue;
+        }
+        if (poller.callback.on_change) {
+            poller.callback.on_change();
+        }
+    }
+    if (!configuring || !mapping_callback.on_data) {
+        return;
+    }
+    if (std::abs(value - GetAxis(identifier, axis)) < 0.5f) {
+        return;
+    }
+    mapping_callback.on_data(MappingData{
+        .engine = GetEngineName(),
+        .pad = identifier,
+        .type = EngineInputType::Analog,
+        .index = axis,
+        .axis_value = value,
+    });
+}
+
+void InputEngine::TriggerOnBatteryChange(const PadIdentifier& identifier,
+                                         [[maybe_unused]] BatteryLevel value) {
+    std::lock_guard lock{mutex_callback};
+    for (const std::pair<int, InputIdentifier> poller_pair : callback_list) {
+        const InputIdentifier& poller = poller_pair.second;
+        if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::Battery, 0)) {
+            continue;
+        }
+        if (poller.callback.on_change) {
+            poller.callback.on_change();
+        }
+    }
+}
+
+void InputEngine::TriggerOnMotionChange(const PadIdentifier& identifier, int motion,
+                                        BasicMotion value) {
+    std::lock_guard lock{mutex_callback};
+    for (const std::pair<int, InputIdentifier> poller_pair : callback_list) {
+        const InputIdentifier& poller = poller_pair.second;
+        if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::Motion, motion)) {
+            continue;
+        }
+        if (poller.callback.on_change) {
+            poller.callback.on_change();
+        }
+    }
+    if (!configuring || !mapping_callback.on_data) {
+        return;
+    }
+    if (std::abs(value.gyro_x) < 0.6f && std::abs(value.gyro_y) < 0.6f &&
+        std::abs(value.gyro_z) < 0.6f) {
+        return;
+    }
+    mapping_callback.on_data(MappingData{
+        .engine = GetEngineName(),
+        .pad = identifier,
+        .type = EngineInputType::Motion,
+        .index = motion,
+        .motion_value = value,
+    });
+}
+
+bool InputEngine::IsInputIdentifierEqual(const InputIdentifier& input_identifier,
+                                         const PadIdentifier& identifier, EngineInputType type,
+                                         int index) const {
+    if (input_identifier.type != type) {
+        return false;
+    }
+    if (input_identifier.index != index) {
+        return false;
+    }
+    if (input_identifier.identifier != identifier) {
+        return false;
+    }
+    return true;
+}
+
+void InputEngine::BeginConfiguration() {
+    configuring = true;
+}
+
+void InputEngine::EndConfiguration() {
+    configuring = false;
+}
+
+const std::string& InputEngine::GetEngineName() const {
+    return input_engine;
+}
+
+int InputEngine::SetCallback(InputIdentifier input_identifier) {
+    std::lock_guard lock{mutex_callback};
+    callback_list.insert_or_assign(last_callback_key, input_identifier);
+    return last_callback_key++;
+}
+
+void InputEngine::SetMappingCallback(MappingCallback callback) {
+    std::lock_guard lock{mutex_callback};
+    mapping_callback = std::move(callback);
+}
+
+void InputEngine::DeleteCallback(int key) {
+    std::lock_guard lock{mutex_callback};
+    const auto& iterator = callback_list.find(key);
+    if (iterator == callback_list.end()) {
+        LOG_ERROR(Input, "Tried to delete non-existent callback {}", key);
+        return;
+    }
+    callback_list.erase(iterator);
+}
+
+} // namespace InputCommon

src/input_common/input_engine.h

@@ -0,0 +1,232 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#pragma once
+
+#include <functional>
+#include <mutex>
+#include <unordered_map>
+
+#include "common/common_types.h"
+#include "common/input.h"
+#include "common/param_package.h"
+#include "common/uuid.h"
+#include "input_common/main.h"
+
+// Pad Identifier of data source
+struct PadIdentifier {
+    Common::UUID guid{};
+    std::size_t port{};
+    std::size_t pad{};
+
+    friend constexpr bool operator==(const PadIdentifier&, const PadIdentifier&) = default;
+};
+
+// Basic motion data containing data from the sensors and a timestamp in microsecons
+struct BasicMotion {
+    float gyro_x;
+    float gyro_y;
+    float gyro_z;
+    float accel_x;
+    float accel_y;
+    float accel_z;
+    u64 delta_timestamp;
+};
+
+// Stages of a battery charge
+enum class BatteryLevel {
+    Empty,
+    Critical,
+    Low,
+    Medium,
+    Full,
+    Charging,
+};
+
+// Types of input that are stored in the engine
+enum class EngineInputType {
+    None,
+    Button,
+    HatButton,
+    Analog,
+    Motion,
+    Battery,
+};
+
+namespace std {
+// Hash used to create lists from PadIdentifier data
+template <>
+struct hash<PadIdentifier> {
+    size_t operator()(const PadIdentifier& pad_id) const noexcept {
+        u64 hash_value = pad_id.guid.uuid[1] ^ pad_id.guid.uuid[0];
+        hash_value ^= (static_cast<u64>(pad_id.port) << 32);
+        hash_value ^= static_cast<u64>(pad_id.pad);
+        return static_cast<size_t>(hash_value);
+    }
+};
+
+} // namespace std
+
+namespace InputCommon {
+
+// Data from the engine and device needed for creating a ParamPackage
+struct MappingData {
+    std::string engine{};
+    PadIdentifier pad{};
+    EngineInputType type{};
+    int index{};
+    bool button_value{};
+    std::string hat_name{};
+    f32 axis_value{};
+    BasicMotion motion_value{};
+};
+
+// Triggered if data changed on the controller
+struct UpdateCallback {
+    std::function<void()> on_change;
+};
+
+// Triggered if data changed on the controller and the engine is on configuring mode
+struct MappingCallback {
+    std::function<void(MappingData)> on_data;
+};
+
+// Input Identifier of data source
+struct InputIdentifier {
+    PadIdentifier identifier;
+    EngineInputType type;
+    int index;
+    UpdateCallback callback;
+};
+
+class InputEngine {
+public:
+    explicit InputEngine(const std::string& input_engine_) : input_engine(input_engine_) {
+        callback_list.clear();
+    }
+
+    virtual ~InputEngine() = default;
+
+    // Enable configuring mode for mapping
+    void BeginConfiguration();
+
+    // Disable configuring mode for mapping
+    void EndConfiguration();
+
+    // Sets a led pattern for a controller
+    virtual void SetLeds([[maybe_unused]] const PadIdentifier& identifier,
+                         [[maybe_unused]] const Common::Input::LedStatus led_status) {
+        return;
+    }
+
+    // Sets rumble to a controller
+    virtual Common::Input::VibrationError SetRumble(
+        [[maybe_unused]] const PadIdentifier& identifier,
+        [[maybe_unused]] const Common::Input::VibrationStatus vibration) {
+        return Common::Input::VibrationError::NotSupported;
+    }
+
+    // Sets polling mode to a controller
+    virtual Common::Input::PollingError SetPollingMode(
+        [[maybe_unused]] const PadIdentifier& identifier,
+        [[maybe_unused]] const Common::Input::PollingMode vibration) {
+        return Common::Input::PollingError::NotSupported;
+    }
+
+    // Returns the engine name
+    [[nodiscard]] const std::string& GetEngineName() const;
+
+    /// Used for automapping features
+    virtual std::vector<Common::ParamPackage> GetInputDevices() const {
+        return {};
+    };
+
+    /// Retrieves the button mappings for the given device
+    virtual InputCommon::ButtonMapping GetButtonMappingForDevice(
+        [[maybe_unused]] const Common::ParamPackage& params) {
+        return {};
+    };
+
+    /// Retrieves the analog mappings for the given device
+    virtual InputCommon::AnalogMapping GetAnalogMappingForDevice(
+        [[maybe_unused]] const Common::ParamPackage& params) {
+        return {};
+    };
+
+    /// Retrieves the motion mappings for the given device
+    virtual InputCommon::MotionMapping GetMotionMappingForDevice(
+        [[maybe_unused]] const Common::ParamPackage& params) {
+        return {};
+    };
+
+    /// Retrieves the name of the given input.
+    virtual Common::Input::ButtonNames GetUIName(
+        [[maybe_unused]] const Common::ParamPackage& params) const {
+        return Common::Input::ButtonNames::Engine;
+    };
+
+    /// Retrieves the index number of the given hat button direction
+    virtual u8 GetHatButtonId([[maybe_unused]] const std::string& direction_name) const {
+        return 0;
+    };
+
+    void PreSetController(const PadIdentifier& identifier);
+    void PreSetButton(const PadIdentifier& identifier, int button);
+    void PreSetHatButton(const PadIdentifier& identifier, int button);
+    void PreSetAxis(const PadIdentifier& identifier, int axis);
+    void PreSetMotion(const PadIdentifier& identifier, int motion);
+    void ResetButtonState();
+    void ResetAnalogState();
+
+    bool GetButton(const PadIdentifier& identifier, int button) const;
+    bool GetHatButton(const PadIdentifier& identifier, int button, u8 direction) const;
+    f32 GetAxis(const PadIdentifier& identifier, int axis) const;
+    BatteryLevel GetBattery(const PadIdentifier& identifier) const;
+    BasicMotion GetMotion(const PadIdentifier& identifier, int motion) const;
+
+    int SetCallback(InputIdentifier input_identifier);
+    void SetMappingCallback(MappingCallback callback);
+    void DeleteCallback(int key);
+
+protected:
+    void SetButton(const PadIdentifier& identifier, int button, bool value);
+    void SetHatButton(const PadIdentifier& identifier, int button, u8 value);
+    void SetAxis(const PadIdentifier& identifier, int axis, f32 value);
+    void SetBattery(const PadIdentifier& identifier, BatteryLevel value);
+    void SetMotion(const PadIdentifier& identifier, int motion, BasicMotion value);
+
+    virtual std::string GetHatButtonName([[maybe_unused]] u8 direction_value) const {
+        return "Unknown";
+    }
+
+private:
+    struct ControllerData {
+        std::unordered_map<int, bool> buttons;
+        std::unordered_map<int, u8> hat_buttons;
+        std::unordered_map<int, float> axes;
+        std::unordered_map<int, BasicMotion> motions;
+        BatteryLevel battery;
+    };
+
+    void TriggerOnButtonChange(const PadIdentifier& identifier, int button, bool value);
+    void TriggerOnHatButtonChange(const PadIdentifier& identifier, int button, u8 value);
+    void TriggerOnAxisChange(const PadIdentifier& identifier, int button, f32 value);
+    void TriggerOnBatteryChange(const PadIdentifier& identifier, BatteryLevel value);
+    void TriggerOnMotionChange(const PadIdentifier& identifier, int motion, BasicMotion value);
+
+    bool IsInputIdentifierEqual(const InputIdentifier& input_identifier,
+                                const PadIdentifier& identifier, EngineInputType type,
+                                int index) const;
+
+    mutable std::mutex mutex;
+    mutable std::mutex mutex_callback;
+    bool configuring{false};
+    const std::string input_engine;
+    int last_callback_key = 0;
+    std::unordered_map<PadIdentifier, ControllerData> controller_list;
+    std::unordered_map<int, InputIdentifier> callback_list;
+    MappingCallback mapping_callback;
+};
+
+} // namespace InputCommon

src/input_common/input_mapping.cpp

@@ -0,0 +1,207 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#include "common/common_types.h"
+#include "common/settings.h"
+#include "input_common/input_engine.h"
+#include "input_common/input_mapping.h"
+
+namespace InputCommon {
+
+MappingFactory::MappingFactory() {}
+
+void MappingFactory::BeginMapping(Polling::InputType type) {
+    is_enabled = true;
+    input_type = type;
+    input_queue.Clear();
+    first_axis = -1;
+    second_axis = -1;
+}
+
+[[nodiscard]] const Common::ParamPackage MappingFactory::GetNextInput() {
+    Common::ParamPackage input;
+    input_queue.Pop(input);
+    return input;
+}
+
+void MappingFactory::RegisterInput(const MappingData& data) {
+    if (!is_enabled) {
+        return;
+    }
+    if (!IsDriverValid(data)) {
+        return;
+    }
+
+    switch (input_type) {
+    case Polling::InputType::Button:
+        RegisterButton(data);
+        return;
+    case Polling::InputType::Stick:
+        RegisterStick(data);
+        return;
+    case Polling::InputType::Motion:
+        RegisterMotion(data);
+        return;
+    default:
+        return;
+    }
+}
+
+void MappingFactory::StopMapping() {
+    is_enabled = false;
+    input_type = Polling::InputType::None;
+    input_queue.Clear();
+}
+
+void MappingFactory::RegisterButton(const MappingData& data) {
+    Common::ParamPackage new_input;
+    new_input.Set("engine", data.engine);
+    if (data.pad.guid != Common::UUID{}) {
+        new_input.Set("guid", data.pad.guid.Format());
+    }
+    new_input.Set("port", static_cast<int>(data.pad.port));
+    new_input.Set("pad", static_cast<int>(data.pad.pad));
+
+    switch (data.type) {
+    case EngineInputType::Button:
+        // Workaround for old compatibility
+        if (data.engine == "keyboard") {
+            new_input.Set("code", data.index);
+            break;
+        }
+        new_input.Set("button", data.index);
+        break;
+    case EngineInputType::HatButton:
+        new_input.Set("hat", data.index);
+        new_input.Set("direction", data.hat_name);
+        break;
+    case EngineInputType::Analog:
+        // Ignore mouse axis when mapping buttons
+        if (data.engine == "mouse") {
+            return;
+        }
+        new_input.Set("axis", data.index);
+        new_input.Set("threshold", 0.5f);
+        break;
+    default:
+        return;
+    }
+    input_queue.Push(new_input);
+}
+
+void MappingFactory::RegisterStick(const MappingData& data) {
+    Common::ParamPackage new_input;
+    new_input.Set("engine", data.engine);
+    if (data.pad.guid != Common::UUID{}) {
+        new_input.Set("guid", data.pad.guid.Format());
+    }
+    new_input.Set("port", static_cast<int>(data.pad.port));
+    new_input.Set("pad", static_cast<int>(data.pad.pad));
+
+    // If engine is mouse map the mouse position as a joystick
+    if (data.engine == "mouse") {
+        new_input.Set("axis_x", 0);
+        new_input.Set("axis_y", 1);
+        new_input.Set("threshold", 0.5f);
+        new_input.Set("range", 1.0f);
+        new_input.Set("deadzone", 0.0f);
+        input_queue.Push(new_input);
+        return;
+    }
+
+    switch (data.type) {
+    case EngineInputType::Button:
+    case EngineInputType::HatButton:
+        RegisterButton(data);
+        return;
+    case EngineInputType::Analog:
+        if (first_axis == data.index) {
+            return;
+        }
+        if (first_axis == -1) {
+            first_axis = data.index;
+            return;
+        }
+        new_input.Set("axis_x", first_axis);
+        new_input.Set("axis_y", data.index);
+        new_input.Set("threshold", 0.5f);
+        new_input.Set("range", 0.95f);
+        new_input.Set("deadzone", 0.15f);
+        break;
+    default:
+        return;
+    }
+    input_queue.Push(new_input);
+}
+
+void MappingFactory::RegisterMotion(const MappingData& data) {
+    Common::ParamPackage new_input;
+    new_input.Set("engine", data.engine);
+    if (data.pad.guid != Common::UUID{}) {
+        new_input.Set("guid", data.pad.guid.Format());
+    }
+    new_input.Set("port", static_cast<int>(data.pad.port));
+    new_input.Set("pad", static_cast<int>(data.pad.pad));
+    switch (data.type) {
+    case EngineInputType::Button:
+    case EngineInputType::HatButton:
+        RegisterButton(data);
+        return;
+    case EngineInputType::Analog:
+        if (first_axis == data.index) {
+            return;
+        }
+        if (second_axis == data.index) {
+            return;
+        }
+        if (first_axis == -1) {
+            first_axis = data.index;
+            return;
+        }
+        if (second_axis == -1) {
+            second_axis = data.index;
+            return;
+        }
+        new_input.Set("axis_x", first_axis);
+        new_input.Set("axis_y", second_axis);
+        new_input.Set("axis_z", data.index);
+        new_input.Set("range", 1.0f);
+        new_input.Set("deadzone", 0.20f);
+        break;
+    case EngineInputType::Motion:
+        new_input.Set("motion", data.index);
+        break;
+    default:
+        return;
+    }
+    input_queue.Push(new_input);
+}
+
+bool MappingFactory::IsDriverValid(const MappingData& data) const {
+    // Only port 0 can be mapped on the keyboard
+    if (data.engine == "keyboard" && data.pad.port != 0) {
+        return false;
+    }
+    // To prevent mapping with two devices we disable any UDP except motion
+    if (!Settings::values.enable_udp_controller && data.engine == "cemuhookudp" &&
+        data.type != EngineInputType::Motion) {
+        return false;
+    }
+    // The following drivers don't need to be mapped
+    if (data.engine == "tas") {
+        return false;
+    }
+    if (data.engine == "touch") {
+        return false;
+    }
+    if (data.engine == "touch_from_button") {
+        return false;
+    }
+    if (data.engine == "analog_from_button") {
+        return false;
+    }
+    return true;
+}
+
+} // namespace InputCommon

src/input_common/input_mapping.h

@@ -0,0 +1,83 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#pragma once
+#include "common/threadsafe_queue.h"
+
+namespace InputCommon {
+class InputEngine;
+struct MappingData;
+
+class MappingFactory {
+public:
+    MappingFactory();
+
+    /**
+     * Resets all varables to beggin the mapping process
+     * @param "type": type of input desired to be returned
+     */
+    void BeginMapping(Polling::InputType type);
+
+    /// Returns an input event with mapping information from the input_queue
+    [[nodiscard]] const Common::ParamPackage GetNextInput();
+
+    /**
+     * Registers mapping input data from the driver
+     * @param "data": An struct containing all the information needed to create a proper
+     * ParamPackage
+     */
+    void RegisterInput(const MappingData& data);
+
+    /// Stop polling from all backends
+    void StopMapping();
+
+private:
+    /**
+     * If provided data satisfies the requeriments it will push an element to the input_queue
+     * Supported input:
+     *     - Button: Creates a basic button ParamPackage
+     *     - HatButton: Creates a basic hat button ParamPackage
+     *     - Analog: Creates a basic analog ParamPackage
+     * @param "data": An struct containing all the information needed to create a proper
+     * ParamPackage
+     */
+    void RegisterButton(const MappingData& data);
+
+    /**
+     * If provided data satisfies the requeriments it will push an element to the input_queue
+     * Supported input:
+     *     - Button, HatButton: Pass the data to RegisterButton
+     *     - Analog: Stores the first axis and on the second axis creates a basic stick ParamPackage
+     * @param "data": An struct containing all the information needed to create a proper
+     * ParamPackage
+     */
+    void RegisterStick(const MappingData& data);
+
+    /**
+     * If provided data satisfies the requeriments it will push an element to the input_queue
+     * Supported input:
+     *     - Button, HatButton: Pass the data to RegisterButton
+     *     - Analog: Stores the first two axis and on the third axis creates a basic Motion
+     * ParamPackage
+     *     - Motion: Creates a basic Motion ParamPackage
+     * @param "data": An struct containing all the information needed to create a proper
+     * ParamPackage
+     */
+    void RegisterMotion(const MappingData& data);
+
+    /**
+     * Returns true if driver can be mapped
+     * @param "data": An struct containing all the information needed to create a proper
+     * ParamPackage
+     */
+    bool IsDriverValid(const MappingData& data) const;
+
+    Common::SPSCQueue<Common::ParamPackage> input_queue;
+    Polling::InputType input_type{Polling::InputType::None};
+    bool is_enabled{};
+    int first_axis = -1;
+    int second_axis = -1;
+};
+
+} // namespace InputCommon

src/input_common/input_poller.cpp

@@ -0,0 +1,971 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#include "common/common_types.h"
+#include "common/input.h"
+
+#include "input_common/input_engine.h"
+#include "input_common/input_poller.h"
+
+namespace InputCommon {
+
+class DummyInput final : public Common::Input::InputDevice {
+public:
+    explicit DummyInput() {}
+    ~DummyInput() {}
+};
+
+class InputFromButton final : public Common::Input::InputDevice {
+public:
+    explicit InputFromButton(PadIdentifier identifier_, int button_, bool toggle_, bool inverted_,
+                             InputEngine* input_engine_)
+        : identifier(identifier_), button(button_), toggle(toggle_), inverted(inverted_),
+          input_engine(input_engine_) {
+        UpdateCallback engine_callback{[this]() { OnChange(); }};
+        const InputIdentifier input_identifier{
+            .identifier = identifier,
+            .type = EngineInputType::Button,
+            .index = button,
+            .callback = engine_callback,
+        };
+        last_button_value = false;
+        callback_key = input_engine->SetCallback(input_identifier);
+    }
+
+    ~InputFromButton() {
+        input_engine->DeleteCallback(callback_key);
+    }
+
+    Common::Input::ButtonStatus GetStatus() const {
+        return {
+            .value = input_engine->GetButton(identifier, button),
+            .inverted = inverted,
+            .toggle = toggle,
+        };
+    }
+
+    void ForceUpdate() {
+        const Common::Input::CallbackStatus status{
+            .type = Common::Input::InputType::Button,
+            .button_status = GetStatus(),
+        };
+
+        last_button_value = status.button_status.value;
+        TriggerOnChange(status);
+    }
+
+    void OnChange() {
+        const Common::Input::CallbackStatus status{
+            .type = Common::Input::InputType::Button,
+            .button_status = GetStatus(),
+        };
+
+        if (status.button_status.value != last_button_value) {
+            last_button_value = status.button_status.value;
+            TriggerOnChange(status);
+        }
+    }
+
+private:
+    const PadIdentifier identifier;
+    const int button;
+    const bool toggle;
+    const bool inverted;
+    int callback_key;
+    bool last_button_value;
+    InputEngine* input_engine;
+};
+
+class InputFromHatButton final : public Common::Input::InputDevice {
+public:
+    explicit InputFromHatButton(PadIdentifier identifier_, int button_, u8 direction_, bool toggle_,
+                                bool inverted_, InputEngine* input_engine_)
+        : identifier(identifier_), button(button_), direction(direction_), toggle(toggle_),
+          inverted(inverted_), input_engine(input_engine_) {
+        UpdateCallback engine_callback{[this]() { OnChange(); }};
+        const InputIdentifier input_identifier{
+            .identifier = identifier,
+            .type = EngineInputType::HatButton,
+            .index = button,
+            .callback = engine_callback,
+        };
+        last_button_value = false;
+        callback_key = input_engine->SetCallback(input_identifier);
+    }
+
+    ~InputFromHatButton() {
+        input_engine->DeleteCallback(callback_key);
+    }
+
+    Common::Input::ButtonStatus GetStatus() const {
+        return {
+            .value = input_engine->GetHatButton(identifier, button, direction),
+            .inverted = inverted,
+            .toggle = toggle,
+        };
+    }
+
+    void ForceUpdate() {
+        const Common::Input::CallbackStatus status{
+            .type = Common::Input::InputType::Button,
+            .button_status = GetStatus(),
+        };
+
+        last_button_value = status.button_status.value;
+        TriggerOnChange(status);
+    }
+
+    void OnChange() {
+        const Common::Input::CallbackStatus status{
+            .type = Common::Input::InputType::Button,
+            .button_status = GetStatus(),
+        };
+
+        if (status.button_status.value != last_button_value) {
+            last_button_value = status.button_status.value;
+            TriggerOnChange(status);
+        }
+    }
+
+private:
+    const PadIdentifier identifier;
+    const int button;
+    const u8 direction;
+    const bool toggle;
+    const bool inverted;
+    int callback_key;
+    bool last_button_value;
+    InputEngine* input_engine;
+};
+
+class InputFromStick final : public Common::Input::InputDevice {
+public:
+    explicit InputFromStick(PadIdentifier identifier_, int axis_x_, int axis_y_,
+                            Common::Input::AnalogProperties properties_x_,
+                            Common::Input::AnalogProperties properties_y_,
+                            InputEngine* input_engine_)
+        : identifier(identifier_), axis_x(axis_x_), axis_y(axis_y_), properties_x(properties_x_),
+          properties_y(properties_y_),
+          input_engine(input_engine_), invert_axis_y{input_engine_->GetEngineName() == "sdl"} {
+        UpdateCallback engine_callback{[this]() { OnChange(); }};
+        const InputIdentifier x_input_identifier{
+            .identifier = identifier,
+            .type = EngineInputType::Analog,
+            .index = axis_x,
+            .callback = engine_callback,
+        };
+        const InputIdentifier y_input_identifier{
+            .identifier = identifier,
+            .type = EngineInputType::Analog,
+            .index = axis_y,
+            .callback = engine_callback,
+        };
+        last_axis_x_value = 0.0f;
+        last_axis_y_value = 0.0f;
+        callback_key_x = input_engine->SetCallback(x_input_identifier);
+        callback_key_y = input_engine->SetCallback(y_input_identifier);
+    }
+
+    ~InputFromStick() {
+        input_engine->DeleteCallback(callback_key_x);
+        input_engine->DeleteCallback(callback_key_y);
+    }
+
+    Common::Input::StickStatus GetStatus() const {
+        Common::Input::StickStatus status;
+        status.x = {
+            .raw_value = input_engine->GetAxis(identifier, axis_x),
+            .properties = properties_x,
+        };
+        status.y = {
+            .raw_value = input_engine->GetAxis(identifier, axis_y),
+            .properties = properties_y,
+        };
+        // This is a workaround too keep compatibility with old yuzu versions. Vertical axis is
+        // inverted on SDL compared to Nintendo
+        if (invert_axis_y) {
+            status.y.raw_value = -status.y.raw_value;
+        }
+        return status;
+    }
+
+    void ForceUpdate() {
+        const Common::Input::CallbackStatus status{
+            .type = Common::Input::InputType::Stick,
+            .stick_status = GetStatus(),
+        };
+
+        last_axis_x_value = status.stick_status.x.raw_value;
+        last_axis_y_value = status.stick_status.y.raw_value;
+        TriggerOnChange(status);
+    }
+
+    void OnChange() {
+        const Common::Input::CallbackStatus status{
+            .type = Common::Input::InputType::Stick,
+            .stick_status = GetStatus(),
+        };
+
+        if (status.stick_status.x.raw_value != last_axis_x_value ||
+            status.stick_status.y.raw_value != last_axis_y_value) {
+            last_axis_x_value = status.stick_status.x.raw_value;
+            last_axis_y_value = status.stick_status.y.raw_value;
+            TriggerOnChange(status);
+        }
+    }
+
+private:
+    const PadIdentifier identifier;
+    const int axis_x;
+    const int axis_y;
+    const Common::Input::AnalogProperties properties_x;
+    const Common::Input::AnalogProperties properties_y;
+    int callback_key_x;
+    int callback_key_y;
+    float last_axis_x_value;
+    float last_axis_y_value;
+    InputEngine* input_engine;
+    const bool invert_axis_y;
+};
+
+class InputFromTouch final : public Common::Input::InputDevice {
+public:
+    explicit InputFromTouch(PadIdentifier identifier_, int touch_id_, int button_, bool toggle_,
+                            bool inverted_, int axis_x_, int axis_y_,
+                            Common::Input::AnalogProperties properties_x_,
+                            Common::Input::AnalogProperties properties_y_,
+                            InputEngine* input_engine_)
+        : identifier(identifier_), touch_id(touch_id_), button(button_), toggle(toggle_),
+          inverted(inverted_), axis_x(axis_x_), axis_y(axis_y_), properties_x(properties_x_),
+          properties_y(properties_y_), input_engine(input_engine_) {
+        UpdateCallback engine_callback{[this]() { OnChange(); }};
+        const InputIdentifier button_input_identifier{
+            .identifier = identifier,
+            .type = EngineInputType::Button,
+            .index = button,
+            .callback = engine_callback,
+        };
+        const InputIdentifier x_input_identifier{
+            .identifier = identifier,
+            .type = EngineInputType::Analog,
+            .index = axis_x,
+            .callback = engine_callback,
+        };
+        const InputIdentifier y_input_identifier{
+            .identifier = identifier,
+            .type = EngineInputType::Analog,
+            .index = axis_y,
+            .callback = engine_callback,
+        };
+        last_axis_x_value = 0.0f;
+        last_axis_y_value = 0.0f;
+        last_button_value = false;
+        callback_key_button = input_engine->SetCallback(button_input_identifier);
+        callback_key_x = input_engine->SetCallback(x_input_identifier);
+        callback_key_y = input_engine->SetCallback(y_input_identifier);
+    }
+
+    ~InputFromTouch() {
+        input_engine->DeleteCallback(callback_key_button);
+        input_engine->DeleteCallback(callback_key_x);
+        input_engine->DeleteCallback(callback_key_y);
+    }
+
+    Common::Input::TouchStatus GetStatus() const {
+        Common::Input::TouchStatus status;
+        status.id = touch_id;
+        status.pressed = {
+            .value = input_engine->GetButton(identifier, button),
+            .inverted = inverted,
+            .toggle = toggle,
+        };
+        status.x = {
+            .raw_value = input_engine->GetAxis(identifier, axis_x),
+            .properties = properties_x,
+        };
+        status.y = {
+            .raw_value = input_engine->GetAxis(identifier, axis_y),
+            .properties = properties_y,
+        };
+        return status;
+    }
+
+    void OnChange() {
+        const Common::Input::CallbackStatus status{
+            .type = Common::Input::InputType::Touch,
+            .touch_status = GetStatus(),
+        };
+
+        if (status.touch_status.x.raw_value != last_axis_x_value ||
+            status.touch_status.y.raw_value != last_axis_y_value ||
+            status.touch_status.pressed.value != last_button_value) {
+            last_axis_x_value = status.touch_status.x.raw_value;
+            last_axis_y_value = status.touch_status.y.raw_value;
+            last_button_value = status.touch_status.pressed.value;
+            TriggerOnChange(status);
+        }
+    }
+
+private:
+    const PadIdentifier identifier;
+    const int touch_id;
+    const int button;
+    const bool toggle;
+    const bool inverted;
+    const int axis_x;
+    const int axis_y;
+    const Common::Input::AnalogProperties properties_x;
+    const Common::Input::AnalogProperties properties_y;
+    int callback_key_button;
+    int callback_key_x;
+    int callback_key_y;
+    bool last_button_value;
+    float last_axis_x_value;
+    float last_axis_y_value;
+    InputEngine* input_engine;
+};
+
+class InputFromTrigger final : public Common::Input::InputDevice {
+public:
+    explicit InputFromTrigger(PadIdentifier identifier_, int button_, bool toggle_, bool inverted_,
+                              int axis_, Common::Input::AnalogProperties properties_,
+                              InputEngine* input_engine_)
+        : identifier(identifier_), button(button_), toggle(toggle_), inverted(inverted_),
+          axis(axis_), properties(properties_), input_engine(input_engine_) {
+        UpdateCallback engine_callback{[this]() { OnChange(); }};
+        const InputIdentifier button_input_identifier{
+            .identifier = identifier,
+            .type = EngineInputType::Button,
+            .index = button,
+            .callback = engine_callback,
+        };
+        const InputIdentifier axis_input_identifier{
+            .identifier = identifier,
+            .type = EngineInputType::Analog,
+            .index = axis,
+            .callback = engine_callback,
+        };
+        last_axis_value = 0.0f;
+        last_button_value = false;
+        callback_key_button = input_engine->SetCallback(button_input_identifier);
+        axis_callback_key = input_engine->SetCallback(axis_input_identifier);
+    }
+
+    ~InputFromTrigger() {
+        input_engine->DeleteCallback(callback_key_button);
+        input_engine->DeleteCallback(axis_callback_key);
+    }
+
+    Common::Input::TriggerStatus GetStatus() const {
+        const Common::Input::AnalogStatus analog_status{
+            .raw_value = input_engine->GetAxis(identifier, axis),
+            .properties = properties,
+        };
+        const Common::Input::ButtonStatus button_status{
+            .value = input_engine->GetButton(identifier, button),
+            .inverted = inverted,
+            .toggle = toggle,
+        };
+        return {
+            .analog = analog_status,
+            .pressed = button_status,
+        };
+    }
+
+    void OnChange() {
+        const Common::Input::CallbackStatus status{
+            .type = Common::Input::InputType::Trigger,
+            .trigger_status = GetStatus(),
+        };
+
+        if (status.trigger_status.analog.raw_value != last_axis_value ||
+            status.trigger_status.pressed.value != last_button_value) {
+            last_axis_value = status.trigger_status.analog.raw_value;
+            last_button_value = status.trigger_status.pressed.value;
+            TriggerOnChange(status);
+        }
+    }
+
+private:
+    const PadIdentifier identifier;
+    const int button;
+    const bool toggle;
+    const bool inverted;
+    const int axis;
+    const Common::Input::AnalogProperties properties;
+    int callback_key_button;
+    int axis_callback_key;
+    bool last_button_value;
+    float last_axis_value;
+    InputEngine* input_engine;
+};
+
+class InputFromAnalog final : public Common::Input::InputDevice {
+public:
+    explicit InputFromAnalog(PadIdentifier identifier_, int axis_,
+                             Common::Input::AnalogProperties properties_,
+                             InputEngine* input_engine_)
+        : identifier(identifier_), axis(axis_), properties(properties_),
+          input_engine(input_engine_) {
+        UpdateCallback engine_callback{[this]() { OnChange(); }};
+        const InputIdentifier input_identifier{
+            .identifier = identifier,
+            .type = EngineInputType::Analog,
+            .index = axis,
+            .callback = engine_callback,
+        };
+        last_axis_value = 0.0f;
+        callback_key = input_engine->SetCallback(input_identifier);
+    }
+
+    ~InputFromAnalog() {
+        input_engine->DeleteCallback(callback_key);
+    }
+
+    Common::Input::AnalogStatus GetStatus() const {
+        return {
+            .raw_value = input_engine->GetAxis(identifier, axis),
+            .properties = properties,
+        };
+    }
+
+    void OnChange() {
+        const Common::Input::CallbackStatus status{
+            .type = Common::Input::InputType::Analog,
+            .analog_status = GetStatus(),
+        };
+
+        if (status.analog_status.raw_value != last_axis_value) {
+            last_axis_value = status.analog_status.raw_value;
+            TriggerOnChange(status);
+        }
+    }
+
+private:
+    const PadIdentifier identifier;
+    const int axis;
+    const Common::Input::AnalogProperties properties;
+    int callback_key;
+    float last_axis_value;
+    InputEngine* input_engine;
+};
+
+class InputFromBattery final : public Common::Input::InputDevice {
+public:
+    explicit InputFromBattery(PadIdentifier identifier_, InputEngine* input_engine_)
+        : identifier(identifier_), input_engine(input_engine_) {
+        UpdateCallback engine_callback{[this]() { OnChange(); }};
+        const InputIdentifier input_identifier{
+            .identifier = identifier,
+            .type = EngineInputType::Battery,
+            .index = 0,
+            .callback = engine_callback,
+        };
+        last_battery_value = Common::Input::BatteryStatus::Charging;
+        callback_key = input_engine->SetCallback(input_identifier);
+    }
+
+    ~InputFromBattery() {
+        input_engine->DeleteCallback(callback_key);
+    }
+
+    Common::Input::BatteryStatus GetStatus() const {
+        return static_cast<Common::Input::BatteryLevel>(input_engine->GetBattery(identifier));
+    }
+
+    void ForceUpdate() {
+        const Common::Input::CallbackStatus status{
+            .type = Common::Input::InputType::Battery,
+            .battery_status = GetStatus(),
+        };
+
+        last_battery_value = status.battery_status;
+        TriggerOnChange(status);
+    }
+
+    void OnChange() {
+        const Common::Input::CallbackStatus status{
+            .type = Common::Input::InputType::Battery,
+            .battery_status = GetStatus(),
+        };
+
+        if (status.battery_status != last_battery_value) {
+            last_battery_value = status.battery_status;
+            TriggerOnChange(status);
+        }
+    }
+
+private:
+    const PadIdentifier identifier;
+    int callback_key;
+    Common::Input::BatteryStatus last_battery_value;
+    InputEngine* input_engine;
+};
+
+class InputFromMotion final : public Common::Input::InputDevice {
+public:
+    explicit InputFromMotion(PadIdentifier identifier_, int motion_sensor_,
+                             InputEngine* input_engine_)
+        : identifier(identifier_), motion_sensor(motion_sensor_), input_engine(input_engine_) {
+        UpdateCallback engine_callback{[this]() { OnChange(); }};
+        const InputIdentifier input_identifier{
+            .identifier = identifier,
+            .type = EngineInputType::Motion,
+            .index = motion_sensor,
+            .callback = engine_callback,
+        };
+        callback_key = input_engine->SetCallback(input_identifier);
+    }
+
+    ~InputFromMotion() {
+        input_engine->DeleteCallback(callback_key);
+    }
+
+    Common::Input::MotionStatus GetStatus() const {
+        const auto basic_motion = input_engine->GetMotion(identifier, motion_sensor);
+        Common::Input::MotionStatus status{};
+        const Common::Input::AnalogProperties properties = {
+            .deadzone = 0.001f,
+            .range = 1.0f,
+            .offset = 0.0f,
+        };
+        status.accel.x = {.raw_value = basic_motion.accel_x, .properties = properties};
+        status.accel.y = {.raw_value = basic_motion.accel_y, .properties = properties};
+        status.accel.z = {.raw_value = basic_motion.accel_z, .properties = properties};
+        status.gyro.x = {.raw_value = basic_motion.gyro_x, .properties = properties};
+        status.gyro.y = {.raw_value = basic_motion.gyro_y, .properties = properties};
+        status.gyro.z = {.raw_value = basic_motion.gyro_z, .properties = properties};
+        status.delta_timestamp = basic_motion.delta_timestamp;
+        return status;
+    }
+
+    void OnChange() {
+        const Common::Input::CallbackStatus status{
+            .type = Common::Input::InputType::Motion,
+            .motion_status = GetStatus(),
+        };
+
+        TriggerOnChange(status);
+    }
+
+private:
+    const PadIdentifier identifier;
+    const int motion_sensor;
+    int callback_key;
+    InputEngine* input_engine;
+};
+
+class InputFromAxisMotion final : public Common::Input::InputDevice {
+public:
+    explicit InputFromAxisMotion(PadIdentifier identifier_, int axis_x_, int axis_y_, int axis_z_,
+                                 Common::Input::AnalogProperties properties_x_,
+                                 Common::Input::AnalogProperties properties_y_,
+                                 Common::Input::AnalogProperties properties_z_,
+                                 InputEngine* input_engine_)
+        : identifier(identifier_), axis_x(axis_x_), axis_y(axis_y_), axis_z(axis_z_),
+          properties_x(properties_x_), properties_y(properties_y_), properties_z(properties_z_),
+          input_engine(input_engine_) {
+        UpdateCallback engine_callback{[this]() { OnChange(); }};
+        const InputIdentifier x_input_identifier{
+            .identifier = identifier,
+            .type = EngineInputType::Analog,
+            .index = axis_x,
+            .callback = engine_callback,
+        };
+        const InputIdentifier y_input_identifier{
+            .identifier = identifier,
+            .type = EngineInputType::Analog,
+            .index = axis_y,
+            .callback = engine_callback,
+        };
+        const InputIdentifier z_input_identifier{
+            .identifier = identifier,
+            .type = EngineInputType::Analog,
+            .index = axis_z,
+            .callback = engine_callback,
+        };
+        last_axis_x_value = 0.0f;
+        last_axis_y_value = 0.0f;
+        last_axis_z_value = 0.0f;
+        callback_key_x = input_engine->SetCallback(x_input_identifier);
+        callback_key_y = input_engine->SetCallback(y_input_identifier);
+        callback_key_z = input_engine->SetCallback(z_input_identifier);
+    }
+
+    ~InputFromAxisMotion() {
+        input_engine->DeleteCallback(callback_key_x);
+        input_engine->DeleteCallback(callback_key_y);
+        input_engine->DeleteCallback(callback_key_z);
+    }
+
+    Common::Input::MotionStatus GetStatus() const {
+        Common::Input::MotionStatus status{};
+        status.gyro.x = {
+            .raw_value = input_engine->GetAxis(identifier, axis_x),
+            .properties = properties_x,
+        };
+        status.gyro.y = {
+            .raw_value = input_engine->GetAxis(identifier, axis_y),
+            .properties = properties_y,
+        };
+        status.gyro.z = {
+            .raw_value = input_engine->GetAxis(identifier, axis_z),
+            .properties = properties_z,
+        };
+        status.delta_timestamp = 5000;
+        status.force_update = true;
+        return status;
+    }
+
+    void ForceUpdate() {
+        const Common::Input::CallbackStatus status{
+            .type = Common::Input::InputType::Motion,
+            .motion_status = GetStatus(),
+        };
+
+        last_axis_x_value = status.motion_status.gyro.x.raw_value;
+        last_axis_y_value = status.motion_status.gyro.y.raw_value;
+        last_axis_z_value = status.motion_status.gyro.z.raw_value;
+        TriggerOnChange(status);
+    }
+
+    void OnChange() {
+        const Common::Input::CallbackStatus status{
+            .type = Common::Input::InputType::Motion,
+            .motion_status = GetStatus(),
+        };
+
+        if (status.motion_status.gyro.x.raw_value != last_axis_x_value ||
+            status.motion_status.gyro.y.raw_value != last_axis_y_value ||
+            status.motion_status.gyro.z.raw_value != last_axis_z_value) {
+            last_axis_x_value = status.motion_status.gyro.x.raw_value;
+            last_axis_y_value = status.motion_status.gyro.y.raw_value;
+            last_axis_z_value = status.motion_status.gyro.z.raw_value;
+            TriggerOnChange(status);
+        }
+    }
+
+private:
+    const PadIdentifier identifier;
+    const int axis_x;
+    const int axis_y;
+    const int axis_z;
+    const Common::Input::AnalogProperties properties_x;
+    const Common::Input::AnalogProperties properties_y;
+    const Common::Input::AnalogProperties properties_z;
+    int callback_key_x;
+    int callback_key_y;
+    int callback_key_z;
+    float last_axis_x_value;
+    float last_axis_y_value;
+    float last_axis_z_value;
+    InputEngine* input_engine;
+};
+
+class OutputFromIdentifier final : public Common::Input::OutputDevice {
+public:
+    explicit OutputFromIdentifier(PadIdentifier identifier_, InputEngine* input_engine_)
+        : identifier(identifier_), input_engine(input_engine_) {}
+
+    virtual void SetLED(Common::Input::LedStatus led_status) {
+        input_engine->SetLeds(identifier, led_status);
+    }
+
+    virtual Common::Input::VibrationError SetVibration(
+        Common::Input::VibrationStatus vibration_status) {
+        return input_engine->SetRumble(identifier, vibration_status);
+    }
+
+    virtual Common::Input::PollingError SetPollingMode(Common::Input::PollingMode polling_mode) {
+        return input_engine->SetPollingMode(identifier, polling_mode);
+    }
+
+private:
+    const PadIdentifier identifier;
+    InputEngine* input_engine;
+};
+
+std::unique_ptr<Common::Input::InputDevice> InputFactory::CreateButtonDevice(
+    const Common::ParamPackage& params) {
+    const PadIdentifier identifier = {
+        .guid = Common::UUID{params.Get("guid", "")},
+        .port = static_cast<std::size_t>(params.Get("port", 0)),
+        .pad = static_cast<std::size_t>(params.Get("pad", 0)),
+    };
+
+    const auto button_id = params.Get("button", 0);
+    const auto keyboard_key = params.Get("code", 0);
+    const auto toggle = params.Get("toggle", false);
+    const auto inverted = params.Get("inverted", false);
+    input_engine->PreSetController(identifier);
+    input_engine->PreSetButton(identifier, button_id);
+    input_engine->PreSetButton(identifier, keyboard_key);
+    if (keyboard_key != 0) {
+        return std::make_unique<InputFromButton>(identifier, keyboard_key, toggle, inverted,
+                                                 input_engine.get());
+    }
+    return std::make_unique<InputFromButton>(identifier, button_id, toggle, inverted,
+                                             input_engine.get());
+}
+
+std::unique_ptr<Common::Input::InputDevice> InputFactory::CreateHatButtonDevice(
+    const Common::ParamPackage& params) {
+    const PadIdentifier identifier = {
+        .guid = Common::UUID{params.Get("guid", "")},
+        .port = static_cast<std::size_t>(params.Get("port", 0)),
+        .pad = static_cast<std::size_t>(params.Get("pad", 0)),
+    };
+
+    const auto button_id = params.Get("hat", 0);
+    const auto direction = input_engine->GetHatButtonId(params.Get("direction", ""));
+    const auto toggle = params.Get("toggle", false);
+    const auto inverted = params.Get("inverted", false);
+
+    input_engine->PreSetController(identifier);
+    input_engine->PreSetHatButton(identifier, button_id);
+    return std::make_unique<InputFromHatButton>(identifier, button_id, direction, toggle, inverted,
+                                                input_engine.get());
+}
+
+std::unique_ptr<Common::Input::InputDevice> InputFactory::CreateStickDevice(
+    const Common::ParamPackage& params) {
+    const auto deadzone = std::clamp(params.Get("deadzone", 0.15f), 0.0f, 1.0f);
+    const auto range = std::clamp(params.Get("range", 1.0f), 0.25f, 1.50f);
+    const auto threshold = std::clamp(params.Get("threshold", 0.5f), 0.0f, 1.0f);
+    const PadIdentifier identifier = {
+        .guid = Common::UUID{params.Get("guid", "")},
+        .port = static_cast<std::size_t>(params.Get("port", 0)),
+        .pad = static_cast<std::size_t>(params.Get("pad", 0)),
+    };
+
+    const auto axis_x = params.Get("axis_x", 0);
+    const Common::Input::AnalogProperties properties_x = {
+        .deadzone = deadzone,
+        .range = range,
+        .threshold = threshold,
+        .offset = std::clamp(params.Get("offset_x", 0.0f), -1.0f, 1.0f),
+        .inverted = params.Get("invert_x", "+") == "-",
+    };
+
+    const auto axis_y = params.Get("axis_y", 1);
+    const Common::Input::AnalogProperties properties_y = {
+        .deadzone = deadzone,
+        .range = range,
+        .threshold = threshold,
+        .offset = std::clamp(params.Get("offset_y", 0.0f), -1.0f, 1.0f),
+        .inverted = params.Get("invert_y", "+") != "+",
+    };
+    input_engine->PreSetController(identifier);
+    input_engine->PreSetAxis(identifier, axis_x);
+    input_engine->PreSetAxis(identifier, axis_y);
+    return std::make_unique<InputFromStick>(identifier, axis_x, axis_y, properties_x, properties_y,
+                                            input_engine.get());
+}
+
+std::unique_ptr<Common::Input::InputDevice> InputFactory::CreateAnalogDevice(
+    const Common::ParamPackage& params) {
+    const PadIdentifier identifier = {
+        .guid = Common::UUID{params.Get("guid", "")},
+        .port = static_cast<std::size_t>(params.Get("port", 0)),
+        .pad = static_cast<std::size_t>(params.Get("pad", 0)),
+    };
+
+    const auto axis = params.Get("axis", 0);
+    const Common::Input::AnalogProperties properties = {
+        .deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, 1.0f),
+        .range = std::clamp(params.Get("range", 1.0f), 0.25f, 1.50f),
+        .threshold = std::clamp(params.Get("threshold", 0.5f), 0.0f, 1.0f),
+        .offset = std::clamp(params.Get("offset", 0.0f), -1.0f, 1.0f),
+        .inverted = params.Get("invert", "+") == "-",
+    };
+    input_engine->PreSetController(identifier);
+    input_engine->PreSetAxis(identifier, axis);
+    return std::make_unique<InputFromAnalog>(identifier, axis, properties, input_engine.get());
+}
+
+std::unique_ptr<Common::Input::InputDevice> InputFactory::CreateTriggerDevice(
+    const Common::ParamPackage& params) {
+    const PadIdentifier identifier = {
+        .guid = Common::UUID{params.Get("guid", "")},
+        .port = static_cast<std::size_t>(params.Get("port", 0)),
+        .pad = static_cast<std::size_t>(params.Get("pad", 0)),
+    };
+
+    const auto button = params.Get("button", 0);
+    const auto toggle = params.Get("toggle", false);
+    const auto inverted = params.Get("inverted", false);
+
+    const auto axis = params.Get("axis", 0);
+    const Common::Input::AnalogProperties properties = {
+        .deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, 1.0f),
+        .range = std::clamp(params.Get("range", 1.0f), 0.25f, 2.50f),
+        .threshold = std::clamp(params.Get("threshold", 0.5f), 0.0f, 1.0f),
+        .offset = std::clamp(params.Get("offset", 0.0f), -1.0f, 1.0f),
+        .inverted = params.Get("invert", false) != 0,
+    };
+    input_engine->PreSetController(identifier);
+    input_engine->PreSetAxis(identifier, axis);
+    input_engine->PreSetButton(identifier, button);
+    return std::make_unique<InputFromTrigger>(identifier, button, toggle, inverted, axis,
+                                              properties, input_engine.get());
+}
+
+std::unique_ptr<Common::Input::InputDevice> InputFactory::CreateTouchDevice(
+    const Common::ParamPackage& params) {
+    const auto touch_id = params.Get("touch_id", 0);
+    const auto deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, 1.0f);
+    const auto range = std::clamp(params.Get("range", 1.0f), 0.25f, 1.50f);
+    const auto threshold = std::clamp(params.Get("threshold", 0.5f), 0.0f, 1.0f);
+    const PadIdentifier identifier = {
+        .guid = Common::UUID{params.Get("guid", "")},
+        .port = static_cast<std::size_t>(params.Get("port", 0)),
+        .pad = static_cast<std::size_t>(params.Get("pad", 0)),
+    };
+
+    const auto button = params.Get("button", 0);
+    const auto toggle = params.Get("toggle", false);
+    const auto inverted = params.Get("inverted", false);
+
+    const auto axis_x = params.Get("axis_x", 0);
+    const Common::Input::AnalogProperties properties_x = {
+        .deadzone = deadzone,
+        .range = range,
+        .threshold = threshold,
+        .offset = std::clamp(params.Get("offset_x", 0.0f), -1.0f, 1.0f),
+        .inverted = params.Get("invert_x", "+") == "-",
+    };
+
+    const auto axis_y = params.Get("axis_y", 1);
+    const Common::Input::AnalogProperties properties_y = {
+        .deadzone = deadzone,
+        .range = range,
+        .threshold = threshold,
+        .offset = std::clamp(params.Get("offset_y", 0.0f), -1.0f, 1.0f),
+        .inverted = params.Get("invert_y", false) != 0,
+    };
+    input_engine->PreSetController(identifier);
+    input_engine->PreSetAxis(identifier, axis_x);
+    input_engine->PreSetAxis(identifier, axis_y);
+    input_engine->PreSetButton(identifier, button);
+    return std::make_unique<InputFromTouch>(identifier, touch_id, button, toggle, inverted, axis_x,
+                                            axis_y, properties_x, properties_y, input_engine.get());
+}
+
+std::unique_ptr<Common::Input::InputDevice> InputFactory::CreateBatteryDevice(
+    const Common::ParamPackage& params) {
+    const PadIdentifier identifier = {
+        .guid = Common::UUID{params.Get("guid", "")},
+        .port = static_cast<std::size_t>(params.Get("port", 0)),
+        .pad = static_cast<std::size_t>(params.Get("pad", 0)),
+    };
+
+    input_engine->PreSetController(identifier);
+    return std::make_unique<InputFromBattery>(identifier, input_engine.get());
+}
+
+std::unique_ptr<Common::Input::InputDevice> InputFactory::CreateMotionDevice(
+    Common::ParamPackage params) {
+    const PadIdentifier identifier = {
+        .guid = Common::UUID{params.Get("guid", "")},
+        .port = static_cast<std::size_t>(params.Get("port", 0)),
+        .pad = static_cast<std::size_t>(params.Get("pad", 0)),
+    };
+
+    if (params.Has("motion")) {
+        const auto motion_sensor = params.Get("motion", 0);
+        input_engine->PreSetController(identifier);
+        input_engine->PreSetMotion(identifier, motion_sensor);
+        return std::make_unique<InputFromMotion>(identifier, motion_sensor, input_engine.get());
+    }
+
+    const auto deadzone = std::clamp(params.Get("deadzone", 0.15f), 0.0f, 1.0f);
+    const auto range = std::clamp(params.Get("range", 1.0f), 0.25f, 1.50f);
+    const auto threshold = std::clamp(params.Get("threshold", 0.5f), 0.0f, 1.0f);
+
+    const auto axis_x = params.Get("axis_x", 0);
+    const Common::Input::AnalogProperties properties_x = {
+        .deadzone = deadzone,
+        .range = range,
+        .threshold = threshold,
+        .offset = std::clamp(params.Get("offset_x", 0.0f), -1.0f, 1.0f),
+        .inverted = params.Get("invert_x", "+") == "-",
+    };
+
+    const auto axis_y = params.Get("axis_y", 1);
+    const Common::Input::AnalogProperties properties_y = {
+        .deadzone = deadzone,
+        .range = range,
+        .threshold = threshold,
+        .offset = std::clamp(params.Get("offset_y", 0.0f), -1.0f, 1.0f),
+        .inverted = params.Get("invert_y", "+") != "+",
+    };
+
+    const auto axis_z = params.Get("axis_z", 1);
+    const Common::Input::AnalogProperties properties_z = {
+        .deadzone = deadzone,
+        .range = range,
+        .threshold = threshold,
+        .offset = std::clamp(params.Get("offset_z", 0.0f), -1.0f, 1.0f),
+        .inverted = params.Get("invert_z", "+") != "+",
+    };
+    input_engine->PreSetController(identifier);
+    input_engine->PreSetAxis(identifier, axis_x);
+    input_engine->PreSetAxis(identifier, axis_y);
+    input_engine->PreSetAxis(identifier, axis_z);
+    return std::make_unique<InputFromAxisMotion>(identifier, axis_x, axis_y, axis_z, properties_x,
+                                                 properties_y, properties_z, input_engine.get());
+}
+
+InputFactory::InputFactory(std::shared_ptr<InputEngine> input_engine_)
+    : input_engine(std::move(input_engine_)) {}
+
+std::unique_ptr<Common::Input::InputDevice> InputFactory::Create(
+    const Common::ParamPackage& params) {
+    if (params.Has("battery")) {
+        return CreateBatteryDevice(params);
+    }
+    if (params.Has("button") && params.Has("axis")) {
+        return CreateTriggerDevice(params);
+    }
+    if (params.Has("button") && params.Has("axis_x") && params.Has("axis_y")) {
+        return CreateTouchDevice(params);
+    }
+    if (params.Has("button") || params.Has("code")) {
+        return CreateButtonDevice(params);
+    }
+    if (params.Has("hat")) {
+        return CreateHatButtonDevice(params);
+    }
+    if (params.Has("axis_x") && params.Has("axis_y") && params.Has("axis_z")) {
+        return CreateMotionDevice(params);
+    }
+    if (params.Has("motion")) {
+        return CreateMotionDevice(params);
+    }
+    if (params.Has("axis_x") && params.Has("axis_y")) {
+        return CreateStickDevice(params);
+    }
+    if (params.Has("axis")) {
+        return CreateAnalogDevice(params);
+    }
+    LOG_ERROR(Input, "Invalid parameters given");
+    return std::make_unique<DummyInput>();
+}
+
+OutputFactory::OutputFactory(std::shared_ptr<InputEngine> input_engine_)
+    : input_engine(std::move(input_engine_)) {}
+
+std::unique_ptr<Common::Input::OutputDevice> OutputFactory::Create(
+    const Common::ParamPackage& params) {
+    const PadIdentifier identifier = {
+        .guid = Common::UUID{params.Get("guid", "")},
+        .port = static_cast<std::size_t>(params.Get("port", 0)),
+        .pad = static_cast<std::size_t>(params.Get("pad", 0)),
+    };
+
+    input_engine->PreSetController(identifier);
+    return std::make_unique<OutputFromIdentifier>(identifier, input_engine.get());
+}
+
+} // namespace InputCommon

src/input_common/input_poller.h

@@ -0,0 +1,217 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#pragma once
+
+namespace Input {
+class InputDevice;
+
+template <typename InputDevice>
+class Factory;
+}; // namespace Input
+
+namespace InputCommon {
+class InputEngine;
+/**
+ * An Input factory. It receives input events and forward them to all input devices it created.
+ */
+
+class OutputFactory final : public Common::Input::Factory<Common::Input::OutputDevice> {
+public:
+    explicit OutputFactory(std::shared_ptr<InputEngine> input_engine_);
+
+    /**
+     * Creates an output device from the parameters given.
+     * @param params contains parameters for creating the device:
+     * @param    - "guid": text string for identifing controllers
+     * @param    - "port": port of the connected device
+     * @param    - "pad": slot of the connected controller
+     * @return an unique ouput device with the parameters specified
+     */
+    std::unique_ptr<Common::Input::OutputDevice> Create(
+        const Common::ParamPackage& params) override;
+
+private:
+    std::shared_ptr<InputEngine> input_engine;
+};
+
+class InputFactory final : public Common::Input::Factory<Common::Input::InputDevice> {
+public:
+    explicit InputFactory(std::shared_ptr<InputEngine> input_engine_);
+
+    /**
+     * Creates an input device from the parameters given. Identifies the type of input to be
+     * returned if it contains the following parameters:
+     * - button: Contains "button" or "code"
+     * - hat_button: Contains "hat"
+     * - analog: Contains "axis"
+     * - trigger: Contains "button" and  "axis"
+     * - stick: Contains "axis_x" and "axis_y"
+     * - motion: Contains "axis_x", "axis_y" and "axis_z"
+     * - motion: Contains "motion"
+     * - touch: Contains "button", "axis_x" and "axis_y"
+     * - battery: Contains "battery"
+     * - output: Contains "output"
+     * @param params contains parameters for creating the device:
+     * @param    - "code": the code of the keyboard key to bind with the input
+     * @param    - "button": same as "code" but for controller buttons
+     * @param    - "hat": similar as "button" but it's a group of hat buttons from SDL
+     * @param    - "axis": the axis number of the axis to bind with the input
+     * @param    - "motion": the motion number of the motion to bind with the input
+     * @param    - "axis_x": same as axis but specifing horizontal direction
+     * @param    - "axis_y": same as axis but specifing vertical direction
+     * @param    - "axis_z": same as axis but specifing forward direction
+     * @param    - "battery": Only used as a placeholder to set the input type
+     * @return an unique input device with the parameters specified
+     */
+    std::unique_ptr<Common::Input::InputDevice> Create(const Common::ParamPackage& params) override;
+
+private:
+    /**
+     * Creates a button device from the parameters given.
+     * @param params contains parameters for creating the device:
+     * @param    - "code": the code of the keyboard key to bind with the input
+     * @param    - "button": same as "code" but for controller buttons
+     * @param    - "toggle": press once to enable, press again to disable
+     * @param    - "inverted": inverts the output of the button
+     * @param    - "guid": text string for identifing controllers
+     * @param    - "port": port of the connected device
+     * @param    - "pad": slot of the connected controller
+     * @return an unique input device with the parameters specified
+     */
+    std::unique_ptr<Common::Input::InputDevice> CreateButtonDevice(
+        const Common::ParamPackage& params);
+
+    /**
+     * Creates a hat button device from the parameters given.
+     * @param params contains parameters for creating the device:
+     * @param    - "button": the controller hat id to bind with the input
+     * @param    - "direction": the direction id to be detected
+     * @param    - "toggle": press once to enable, press again to disable
+     * @param    - "inverted": inverts the output of the button
+     * @param    - "guid": text string for identifing controllers
+     * @param    - "port": port of the connected device
+     * @param    - "pad": slot of the connected controller
+     * @return an unique input device with the parameters specified
+     */
+    std::unique_ptr<Common::Input::InputDevice> CreateHatButtonDevice(
+        const Common::ParamPackage& params);
+
+    /**
+     * Creates a stick device from the parameters given.
+     * @param params contains parameters for creating the device:
+     * @param    - "axis_x": the controller horizontal axis id to bind with the input
+     * @param    - "axis_y": the controller vertical axis id to bind with the input
+     * @param    - "deadzone": the mimimum required value to be detected
+     * @param    - "range": the maximum value required to reach 100%
+     * @param    - "threshold": the mimimum required value to considered pressed
+     * @param    - "offset_x": the amount of offset in the x axis
+     * @param    - "offset_y": the amount of offset in the y axis
+     * @param    - "invert_x": inverts the sign of the horizontal axis
+     * @param    - "invert_y": inverts the sign of the vertical axis
+     * @param    - "guid": text string for identifing controllers
+     * @param    - "port": port of the connected device
+     * @param    - "pad": slot of the connected controller
+     * @return an unique input device with the parameters specified
+     */
+    std::unique_ptr<Common::Input::InputDevice> CreateStickDevice(
+        const Common::ParamPackage& params);
+
+    /**
+     * Creates an analog device from the parameters given.
+     * @param params contains parameters for creating the device:
+     * @param    - "axis": the controller axis id to bind with the input
+     * @param    - "deadzone": the mimimum required value to be detected
+     * @param    - "range": the maximum value required to reach 100%
+     * @param    - "threshold": the mimimum required value to considered pressed
+     * @param    - "offset": the amount of offset in the axis
+     * @param    - "invert": inverts the sign of the axis
+     * @param    - "guid": text string for identifing controllers
+     * @param    - "port": port of the connected device
+     * @param    - "pad": slot of the connected controller
+     * @return an unique input device with the parameters specified
+     */
+    std::unique_ptr<Common::Input::InputDevice> CreateAnalogDevice(
+        const Common::ParamPackage& params);
+
+    /**
+     * Creates a trigger device from the parameters given.
+     * @param params contains parameters for creating the device:
+     * @param    - "button": the controller hat id to bind with the input
+     * @param    - "direction": the direction id to be detected
+     * @param    - "toggle": press once to enable, press again to disable
+     * @param    - "inverted": inverts the output of the button
+     * @param    - "axis": the controller axis id to bind with the input
+     * @param    - "deadzone": the mimimum required value to be detected
+     * @param    - "range": the maximum value required to reach 100%
+     * @param    - "threshold": the mimimum required value to considered pressed
+     * @param    - "offset": the amount of offset in the axis
+     * @param    - "invert": inverts the sign of the axis
+     * @param    - "guid": text string for identifing controllers
+     * @param    - "port": port of the connected device
+     * @param    - "pad": slot of the connected controller
+     * @return an unique input device with the parameters specified
+     */
+    std::unique_ptr<Common::Input::InputDevice> CreateTriggerDevice(
+        const Common::ParamPackage& params);
+
+    /**
+     * Creates a touch device from the parameters given.
+     * @param params contains parameters for creating the device:
+     * @param    - "button": the controller hat id to bind with the input
+     * @param    - "direction": the direction id to be detected
+     * @param    - "toggle": press once to enable, press again to disable
+     * @param    - "inverted": inverts the output of the button
+     * @param    - "axis_x": the controller horizontal axis id to bind with the input
+     * @param    - "axis_y": the controller vertical axis id to bind with the input
+     * @param    - "deadzone": the mimimum required value to be detected
+     * @param    - "range": the maximum value required to reach 100%
+     * @param    - "threshold": the mimimum required value to considered pressed
+     * @param    - "offset_x": the amount of offset in the x axis
+     * @param    - "offset_y": the amount of offset in the y axis
+     * @param    - "invert_x": inverts the sign of the horizontal axis
+     * @param    - "invert_y": inverts the sign of the vertical axis
+     * @param    - "guid": text string for identifing controllers
+     * @param    - "port": port of the connected device
+     * @param    - "pad": slot of the connected controller
+     * @return an unique input device with the parameters specified
+     */
+    std::unique_ptr<Common::Input::InputDevice> CreateTouchDevice(
+        const Common::ParamPackage& params);
+
+    /**
+     * Creates a battery device from the parameters given.
+     * @param params contains parameters for creating the device:
+     * @param    - "guid": text string for identifing controllers
+     * @param    - "port": port of the connected device
+     * @param    - "pad": slot of the connected controller
+     * @return an unique input device with the parameters specified
+     */
+    std::unique_ptr<Common::Input::InputDevice> CreateBatteryDevice(
+        const Common::ParamPackage& params);
+
+    /**
+     * Creates a motion device from the parameters given.
+     * @param params contains parameters for creating the device:
+     * @param    - "axis_x": the controller horizontal axis id to bind with the input
+     * @param    - "axis_y": the controller vertical axis id to bind with the input
+     * @param    - "axis_z": the controller fordward axis id to bind with the input
+     * @param    - "deadzone": the mimimum required value to be detected
+     * @param    - "range": the maximum value required to reach 100%
+     * @param    - "offset_x": the amount of offset in the x axis
+     * @param    - "offset_y": the amount of offset in the y axis
+     * @param    - "offset_z": the amount of offset in the z axis
+     * @param    - "invert_x": inverts the sign of the horizontal axis
+     * @param    - "invert_y": inverts the sign of the vertical axis
+     * @param    - "invert_z": inverts the sign of the fordward axis
+     * @param    - "guid": text string for identifing controllers
+     * @param    - "port": port of the connected device
+     * @param    - "pad": slot of the connected controller
+     * @return an unique input device with the parameters specified
+     */
+    std::unique_ptr<Common::Input::InputDevice> CreateMotionDevice(Common::ParamPackage params);
+
+    std::shared_ptr<InputEngine> input_engine;
+};
+} // namespace InputCommon

src/input_common/keyboard.cpp

@@ -1,121 +0,0 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <atomic>
-#include <list>
-#include <mutex>
-#include <utility>
-#include "input_common/keyboard.h"
-
-namespace InputCommon {
-
-class KeyButton final : public Input::ButtonDevice {
-public:
-    explicit KeyButton(std::shared_ptr<KeyButtonList> key_button_list_, bool toggle_)
-        : key_button_list(std::move(key_button_list_)), toggle(toggle_) {}
-
-    ~KeyButton() override;
-
-    bool GetStatus() const override {
-        if (toggle) {
-            return toggled_status.load(std::memory_order_relaxed);
-        }
-        return status.load();
-    }
-
-    void ToggleButton() {
-        if (lock) {
-            return;
-        }
-        lock = true;
-        const bool old_toggle_status = toggled_status.load();
-        toggled_status.store(!old_toggle_status);
-    }
-
-    void UnlockButton() {
-        lock = false;
-    }
-
-    friend class KeyButtonList;
-
-private:
-    std::shared_ptr<KeyButtonList> key_button_list;
-    std::atomic<bool> status{false};
-    std::atomic<bool> toggled_status{false};
-    bool lock{false};
-    const bool toggle;
-};
-
-struct KeyButtonPair {
-    int key_code;
-    KeyButton* key_button;
-};
-
-class KeyButtonList {
-public:
-    void AddKeyButton(int key_code, KeyButton* key_button) {
-        std::lock_guard guard{mutex};
-        list.push_back(KeyButtonPair{key_code, key_button});
-    }
-
-    void RemoveKeyButton(const KeyButton* key_button) {
-        std::lock_guard guard{mutex};
-        list.remove_if(
-            [key_button](const KeyButtonPair& pair) { return pair.key_button == key_button; });
-    }
-
-    void ChangeKeyStatus(int key_code, bool pressed) {
-        std::lock_guard guard{mutex};
-        for (const KeyButtonPair& pair : list) {
-            if (pair.key_code == key_code) {
-                pair.key_button->status.store(pressed);
-                if (pressed) {
-                    pair.key_button->ToggleButton();
-                } else {
-                    pair.key_button->UnlockButton();
-                }
-                pair.key_button->TriggerOnChange();
-            }
-        }
-    }
-
-    void ChangeAllKeyStatus(bool pressed) {
-        std::lock_guard guard{mutex};
-        for (const KeyButtonPair& pair : list) {
-            pair.key_button->status.store(pressed);
-        }
-    }
-
-private:
-    std::mutex mutex;
-    std::list<KeyButtonPair> list;
-};
-
-Keyboard::Keyboard() : key_button_list{std::make_shared<KeyButtonList>()} {}
-
-KeyButton::~KeyButton() {
-    key_button_list->RemoveKeyButton(this);
-}
-
-std::unique_ptr<Input::ButtonDevice> Keyboard::Create(const Common::ParamPackage& params) {
-    const int key_code = params.Get("code", 0);
-    const bool toggle = params.Get("toggle", false);
-    std::unique_ptr<KeyButton> button = std::make_unique<KeyButton>(key_button_list, toggle);
-    key_button_list->AddKeyButton(key_code, button.get());
-    return button;
-}
-
-void Keyboard::PressKey(int key_code) {
-    key_button_list->ChangeKeyStatus(key_code, true);
-}
-
-void Keyboard::ReleaseKey(int key_code) {
-    key_button_list->ChangeKeyStatus(key_code, false);
-}
-
-void Keyboard::ReleaseAllKeys() {
-    key_button_list->ChangeAllKeyStatus(false);
-}
-
-} // namespace InputCommon

src/input_common/keyboard.h

@@ -1,47 +0,0 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <memory>
-#include "core/frontend/input.h"
-
-namespace InputCommon {
-
-class KeyButtonList;
-
-/**
- * A button device factory representing a keyboard. It receives keyboard events and forward them
- * to all button devices it created.
- */
-class Keyboard final : public Input::Factory<Input::ButtonDevice> {
-public:
-    Keyboard();
-
-    /**
-     * Creates a button device from a keyboard key
-     * @param params contains parameters for creating the device:
-     *     - "code": the code of the key to bind with the button
-     */
-    std::unique_ptr<Input::ButtonDevice> Create(const Common::ParamPackage& params) override;
-
-    /**
-     * Sets the status of all buttons bound with the key to pressed
-     * @param key_code the code of the key to press
-     */
-    void PressKey(int key_code);
-
-    /**
-     * Sets the status of all buttons bound with the key to released
-     * @param key_code the code of the key to release
-     */
-    void ReleaseKey(int key_code);
-
-    void ReleaseAllKeys();
-
-private:
-    std::shared_ptr<KeyButtonList> key_button_list;
-};
-
-} // namespace InputCommon

src/input_common/main.cpp

@@ -4,146 +4,173 @@
 
 #include <memory>
 #include <thread>
+#include "common/input.h"
 #include "common/param_package.h"
-#include "common/settings.h"
-#include "input_common/analog_from_button.h"
-#include "input_common/gcadapter/gc_adapter.h"
-#include "input_common/gcadapter/gc_poller.h"
-#include "input_common/keyboard.h"
+#include "input_common/drivers/gc_adapter.h"
+#include "input_common/drivers/keyboard.h"
+#include "input_common/drivers/mouse.h"
+#include "input_common/drivers/tas_input.h"
+#include "input_common/drivers/touch_screen.h"
+#include "input_common/drivers/udp_client.h"
+#include "input_common/helpers/stick_from_buttons.h"
+#include "input_common/helpers/touch_from_buttons.h"
+#include "input_common/input_engine.h"
+#include "input_common/input_mapping.h"
+#include "input_common/input_poller.h"
 #include "input_common/main.h"
-#include "input_common/motion_from_button.h"
-#include "input_common/mouse/mouse_input.h"
-#include "input_common/mouse/mouse_poller.h"
-#include "input_common/tas/tas_input.h"
-#include "input_common/tas/tas_poller.h"
-#include "input_common/touch_from_button.h"
-#include "input_common/udp/client.h"
-#include "input_common/udp/udp.h"
 #ifdef HAVE_SDL2
-#include "input_common/sdl/sdl.h"
+#include "input_common/drivers/sdl_driver.h"
 #endif
 
 namespace InputCommon {
 
 struct InputSubsystem::Impl {
     void Initialize() {
-        gcadapter = std::make_shared<GCAdapter::Adapter>();
-        gcbuttons = std::make_shared<GCButtonFactory>(gcadapter);
-        Input::RegisterFactory<Input::ButtonDevice>("gcpad", gcbuttons);
-        gcanalog = std::make_shared<GCAnalogFactory>(gcadapter);
-        Input::RegisterFactory<Input::AnalogDevice>("gcpad", gcanalog);
-        gcvibration = std::make_shared<GCVibrationFactory>(gcadapter);
-        Input::RegisterFactory<Input::VibrationDevice>("gcpad", gcvibration);
+        mapping_factory = std::make_shared<MappingFactory>();
+        MappingCallback mapping_callback{[this](MappingData data) { RegisterInput(data); }};
 
-        keyboard = std::make_shared<Keyboard>();
-        Input::RegisterFactory<Input::ButtonDevice>("keyboard", keyboard);
-        Input::RegisterFactory<Input::AnalogDevice>("analog_from_button",
-                                                    std::make_shared<AnalogFromButton>());
-        Input::RegisterFactory<Input::MotionDevice>("keyboard",
-                                                    std::make_shared<MotionFromButton>());
-        Input::RegisterFactory<Input::TouchDevice>("touch_from_button",
-                                                   std::make_shared<TouchFromButtonFactory>());
+        keyboard = std::make_shared<Keyboard>("keyboard");
+        keyboard->SetMappingCallback(mapping_callback);
+        keyboard_factory = std::make_shared<InputFactory>(keyboard);
+        keyboard_output_factory = std::make_shared<OutputFactory>(keyboard);
+        Common::Input::RegisterFactory<Common::Input::InputDevice>(keyboard->GetEngineName(),
+                                                                   keyboard_factory);
+        Common::Input::RegisterFactory<Common::Input::OutputDevice>(keyboard->GetEngineName(),
+                                                                    keyboard_output_factory);
+
+        mouse = std::make_shared<Mouse>("mouse");
+        mouse->SetMappingCallback(mapping_callback);
+        mouse_factory = std::make_shared<InputFactory>(mouse);
+        mouse_output_factory = std::make_shared<OutputFactory>(mouse);
+        Common::Input::RegisterFactory<Common::Input::InputDevice>(mouse->GetEngineName(),
+                                                                   mouse_factory);
+        Common::Input::RegisterFactory<Common::Input::OutputDevice>(mouse->GetEngineName(),
+                                                                    mouse_output_factory);
+
+        touch_screen = std::make_shared<TouchScreen>("touch");
+        touch_screen_factory = std::make_shared<InputFactory>(touch_screen);
+        Common::Input::RegisterFactory<Common::Input::InputDevice>(touch_screen->GetEngineName(),
+                                                                   touch_screen_factory);
+
+        gcadapter = std::make_shared<GCAdapter>("gcpad");
+        gcadapter->SetMappingCallback(mapping_callback);
+        gcadapter_input_factory = std::make_shared<InputFactory>(gcadapter);
+        gcadapter_output_factory = std::make_shared<OutputFactory>(gcadapter);
+        Common::Input::RegisterFactory<Common::Input::InputDevice>(gcadapter->GetEngineName(),
+                                                                   gcadapter_input_factory);
+        Common::Input::RegisterFactory<Common::Input::OutputDevice>(gcadapter->GetEngineName(),
+                                                                    gcadapter_output_factory);
+
+        udp_client = std::make_shared<CemuhookUDP::UDPClient>("cemuhookudp");
+        udp_client->SetMappingCallback(mapping_callback);
+        udp_client_input_factory = std::make_shared<InputFactory>(udp_client);
+        udp_client_output_factory = std::make_shared<OutputFactory>(udp_client);
+        Common::Input::RegisterFactory<Common::Input::InputDevice>(udp_client->GetEngineName(),
+                                                                   udp_client_input_factory);
+        Common::Input::RegisterFactory<Common::Input::OutputDevice>(udp_client->GetEngineName(),
+                                                                    udp_client_output_factory);
+
+        tas_input = std::make_shared<TasInput::Tas>("tas");
+        tas_input->SetMappingCallback(mapping_callback);
+        tas_input_factory = std::make_shared<InputFactory>(tas_input);
+        tas_output_factory = std::make_shared<OutputFactory>(tas_input);
+        Common::Input::RegisterFactory<Common::Input::InputDevice>(tas_input->GetEngineName(),
+                                                                   tas_input_factory);
+        Common::Input::RegisterFactory<Common::Input::OutputDevice>(tas_input->GetEngineName(),
+                                                                    tas_output_factory);
 
 #ifdef HAVE_SDL2
-        sdl = SDL::Init();
+        sdl = std::make_shared<SDLDriver>("sdl");
+        sdl->SetMappingCallback(mapping_callback);
+        sdl_input_factory = std::make_shared<InputFactory>(sdl);
+        sdl_output_factory = std::make_shared<OutputFactory>(sdl);
+        Common::Input::RegisterFactory<Common::Input::InputDevice>(sdl->GetEngineName(),
+                                                                   sdl_input_factory);
+        Common::Input::RegisterFactory<Common::Input::OutputDevice>(sdl->GetEngineName(),
+                                                                    sdl_output_factory);
 #endif
 
-        udp = std::make_shared<InputCommon::CemuhookUDP::Client>();
-        udpmotion = std::make_shared<UDPMotionFactory>(udp);
-        Input::RegisterFactory<Input::MotionDevice>("cemuhookudp", udpmotion);
-        udptouch = std::make_shared<UDPTouchFactory>(udp);
-        Input::RegisterFactory<Input::TouchDevice>("cemuhookudp", udptouch);
-
-        mouse = std::make_shared<MouseInput::Mouse>();
-        mousebuttons = std::make_shared<MouseButtonFactory>(mouse);
-        Input::RegisterFactory<Input::ButtonDevice>("mouse", mousebuttons);
-        mouseanalog = std::make_shared<MouseAnalogFactory>(mouse);
-        Input::RegisterFactory<Input::AnalogDevice>("mouse", mouseanalog);
-        mousemotion = std::make_shared<MouseMotionFactory>(mouse);
-        Input::RegisterFactory<Input::MotionDevice>("mouse", mousemotion);
-        mousetouch = std::make_shared<MouseTouchFactory>(mouse);
-        Input::RegisterFactory<Input::TouchDevice>("mouse", mousetouch);
-
-        tas = std::make_shared<TasInput::Tas>();
-        tasbuttons = std::make_shared<TasButtonFactory>(tas);
-        Input::RegisterFactory<Input::ButtonDevice>("tas", tasbuttons);
-        tasanalog = std::make_shared<TasAnalogFactory>(tas);
-        Input::RegisterFactory<Input::AnalogDevice>("tas", tasanalog);
+        Common::Input::RegisterFactory<Common::Input::InputDevice>(
+            "touch_from_button", std::make_shared<TouchFromButton>());
+        Common::Input::RegisterFactory<Common::Input::InputDevice>(
+            "analog_from_button", std::make_shared<StickFromButton>());
     }
 
     void Shutdown() {
-        Input::UnregisterFactory<Input::ButtonDevice>("keyboard");
-        Input::UnregisterFactory<Input::MotionDevice>("keyboard");
+        Common::Input::UnregisterFactory<Common::Input::InputDevice>(keyboard->GetEngineName());
+        Common::Input::UnregisterFactory<Common::Input::OutputDevice>(keyboard->GetEngineName());
         keyboard.reset();
-        Input::UnregisterFactory<Input::AnalogDevice>("analog_from_button");
-        Input::UnregisterFactory<Input::TouchDevice>("touch_from_button");
+
+        Common::Input::UnregisterFactory<Common::Input::InputDevice>(mouse->GetEngineName());
+        Common::Input::UnregisterFactory<Common::Input::OutputDevice>(mouse->GetEngineName());
+        mouse.reset();
+
+        Common::Input::UnregisterFactory<Common::Input::InputDevice>(touch_screen->GetEngineName());
+        touch_screen.reset();
+
+        Common::Input::UnregisterFactory<Common::Input::InputDevice>(gcadapter->GetEngineName());
+        Common::Input::UnregisterFactory<Common::Input::OutputDevice>(gcadapter->GetEngineName());
+        gcadapter.reset();
+
+        Common::Input::UnregisterFactory<Common::Input::InputDevice>(udp_client->GetEngineName());
+        Common::Input::UnregisterFactory<Common::Input::OutputDevice>(udp_client->GetEngineName());
+        udp_client.reset();
+
+        Common::Input::UnregisterFactory<Common::Input::InputDevice>(tas_input->GetEngineName());
+        Common::Input::UnregisterFactory<Common::Input::OutputDevice>(tas_input->GetEngineName());
+        tas_input.reset();
+
 #ifdef HAVE_SDL2
+        Common::Input::UnregisterFactory<Common::Input::InputDevice>(sdl->GetEngineName());
+        Common::Input::UnregisterFactory<Common::Input::OutputDevice>(sdl->GetEngineName());
         sdl.reset();
 #endif
-        Input::UnregisterFactory<Input::ButtonDevice>("gcpad");
-        Input::UnregisterFactory<Input::AnalogDevice>("gcpad");
-        Input::UnregisterFactory<Input::VibrationDevice>("gcpad");
 
-        gcbuttons.reset();
-        gcanalog.reset();
-        gcvibration.reset();
-
-        Input::UnregisterFactory<Input::MotionDevice>("cemuhookudp");
-        Input::UnregisterFactory<Input::TouchDevice>("cemuhookudp");
-
-        udpmotion.reset();
-        udptouch.reset();
-
-        Input::UnregisterFactory<Input::ButtonDevice>("mouse");
-        Input::UnregisterFactory<Input::AnalogDevice>("mouse");
-        Input::UnregisterFactory<Input::MotionDevice>("mouse");
-        Input::UnregisterFactory<Input::TouchDevice>("mouse");
-
-        mousebuttons.reset();
-        mouseanalog.reset();
-        mousemotion.reset();
-        mousetouch.reset();
-
-        Input::UnregisterFactory<Input::ButtonDevice>("tas");
-        Input::UnregisterFactory<Input::AnalogDevice>("tas");
-
-        tasbuttons.reset();
-        tasanalog.reset();
+        Common::Input::UnregisterFactory<Common::Input::InputDevice>("touch_from_button");
+        Common::Input::UnregisterFactory<Common::Input::InputDevice>("analog_from_button");
     }
 
     [[nodiscard]] std::vector<Common::ParamPackage> GetInputDevices() const {
         std::vector<Common::ParamPackage> devices = {
-            Common::ParamPackage{{"display", "Any"}, {"class", "any"}},
-            Common::ParamPackage{{"display", "Keyboard/Mouse"}, {"class", "keyboard"}},
+            Common::ParamPackage{{"display", "Any"}, {"engine", "any"}},
         };
-        if (Settings::values.tas_enable) {
-            devices.emplace_back(
-                Common::ParamPackage{{"display", "TAS Controller"}, {"class", "tas"}});
-        }
+
+        auto keyboard_devices = keyboard->GetInputDevices();
+        devices.insert(devices.end(), keyboard_devices.begin(), keyboard_devices.end());
+        auto mouse_devices = mouse->GetInputDevices();
+        devices.insert(devices.end(), mouse_devices.begin(), mouse_devices.end());
+        auto gcadapter_devices = gcadapter->GetInputDevices();
+        devices.insert(devices.end(), gcadapter_devices.begin(), gcadapter_devices.end());
+        auto udp_devices = udp_client->GetInputDevices();
+        devices.insert(devices.end(), udp_devices.begin(), udp_devices.end());
 #ifdef HAVE_SDL2
         auto sdl_devices = sdl->GetInputDevices();
         devices.insert(devices.end(), sdl_devices.begin(), sdl_devices.end());
 #endif
-        auto udp_devices = udp->GetInputDevices();
-        devices.insert(devices.end(), udp_devices.begin(), udp_devices.end());
-        auto gcpad_devices = gcadapter->GetInputDevices();
-        devices.insert(devices.end(), gcpad_devices.begin(), gcpad_devices.end());
+
         return devices;
     }
 
     [[nodiscard]] AnalogMapping GetAnalogMappingForDevice(
         const Common::ParamPackage& params) const {
-        if (!params.Has("class") || params.Get("class", "") == "any") {
+        if (!params.Has("engine") || params.Get("engine", "") == "any") {
             return {};
         }
-        if (params.Get("class", "") == "gcpad") {
+        const std::string engine = params.Get("engine", "");
+        if (engine == mouse->GetEngineName()) {
+            return mouse->GetAnalogMappingForDevice(params);
+        }
+        if (engine == gcadapter->GetEngineName()) {
             return gcadapter->GetAnalogMappingForDevice(params);
         }
-        if (params.Get("class", "") == "tas") {
-            return tas->GetAnalogMappingForDevice(params);
+        if (engine == udp_client->GetEngineName()) {
+            return udp_client->GetAnalogMappingForDevice(params);
+        }
+        if (engine == tas_input->GetEngineName()) {
+            return tas_input->GetAnalogMappingForDevice(params);
         }
 #ifdef HAVE_SDL2
-        if (params.Get("class", "") == "sdl") {
+        if (engine == sdl->GetEngineName()) {
             return sdl->GetAnalogMappingForDevice(params);
         }
 #endif
@@ -152,17 +179,21 @@ struct InputSubsystem::Impl {
 
     [[nodiscard]] ButtonMapping GetButtonMappingForDevice(
         const Common::ParamPackage& params) const {
-        if (!params.Has("class") || params.Get("class", "") == "any") {
+        if (!params.Has("engine") || params.Get("engine", "") == "any") {
             return {};
         }
-        if (params.Get("class", "") == "gcpad") {
+        const std::string engine = params.Get("engine", "");
+        if (engine == gcadapter->GetEngineName()) {
             return gcadapter->GetButtonMappingForDevice(params);
         }
-        if (params.Get("class", "") == "tas") {
-            return tas->GetButtonMappingForDevice(params);
+        if (engine == udp_client->GetEngineName()) {
+            return udp_client->GetButtonMappingForDevice(params);
+        }
+        if (engine == tas_input->GetEngineName()) {
+            return tas_input->GetButtonMappingForDevice(params);
         }
 #ifdef HAVE_SDL2
-        if (params.Get("class", "") == "sdl") {
+        if (engine == sdl->GetEngineName()) {
             return sdl->GetButtonMappingForDevice(params);
         }
 #endif
@@ -171,40 +202,119 @@ struct InputSubsystem::Impl {
 
     [[nodiscard]] MotionMapping GetMotionMappingForDevice(
         const Common::ParamPackage& params) const {
-        if (!params.Has("class") || params.Get("class", "") == "any") {
+        if (!params.Has("engine") || params.Get("engine", "") == "any") {
             return {};
         }
-        if (params.Get("class", "") == "cemuhookudp") {
-            // TODO return the correct motion device
-            return {};
+        const std::string engine = params.Get("engine", "");
+        if (engine == udp_client->GetEngineName()) {
+            return udp_client->GetMotionMappingForDevice(params);
         }
 #ifdef HAVE_SDL2
-        if (params.Get("class", "") == "sdl") {
+        if (engine == sdl->GetEngineName()) {
             return sdl->GetMotionMappingForDevice(params);
         }
 #endif
         return {};
     }
 
-    std::shared_ptr<Keyboard> keyboard;
+    Common::Input::ButtonNames GetButtonName(const Common::ParamPackage& params) const {
+        if (!params.Has("engine") || params.Get("engine", "") == "any") {
+            return Common::Input::ButtonNames::Undefined;
+        }
+        const std::string engine = params.Get("engine", "");
+        if (engine == mouse->GetEngineName()) {
+            return mouse->GetUIName(params);
+        }
+        if (engine == gcadapter->GetEngineName()) {
+            return gcadapter->GetUIName(params);
+        }
+        if (engine == udp_client->GetEngineName()) {
+            return udp_client->GetUIName(params);
+        }
+        if (engine == tas_input->GetEngineName()) {
+            return tas_input->GetUIName(params);
+        }
 #ifdef HAVE_SDL2
-    std::unique_ptr<SDL::State> sdl;
+        if (engine == sdl->GetEngineName()) {
+            return sdl->GetUIName(params);
+        }
+#endif
+        return Common::Input::ButtonNames::Invalid;
+    }
+
+    bool IsController(const Common::ParamPackage& params) {
+        const std::string engine = params.Get("engine", "");
+        if (engine == mouse->GetEngineName()) {
+            return true;
+        }
+        if (engine == gcadapter->GetEngineName()) {
+            return true;
+        }
+        if (engine == udp_client->GetEngineName()) {
+            return true;
+        }
+        if (engine == tas_input->GetEngineName()) {
+            return true;
+        }
+#ifdef HAVE_SDL2
+        if (engine == sdl->GetEngineName()) {
+            return true;
+        }
+#endif
+        return false;
+    }
+
+    void BeginConfiguration() {
+        keyboard->BeginConfiguration();
+        mouse->BeginConfiguration();
+        gcadapter->BeginConfiguration();
+        udp_client->BeginConfiguration();
+#ifdef HAVE_SDL2
+        sdl->BeginConfiguration();
+#endif
+    }
+
+    void EndConfiguration() {
+        keyboard->EndConfiguration();
+        mouse->EndConfiguration();
+        gcadapter->EndConfiguration();
+        udp_client->EndConfiguration();
+#ifdef HAVE_SDL2
+        sdl->EndConfiguration();
+#endif
+    }
+
+    void RegisterInput(MappingData data) {
+        mapping_factory->RegisterInput(data);
+    }
+
+    std::shared_ptr<MappingFactory> mapping_factory;
+
+    std::shared_ptr<Keyboard> keyboard;
+    std::shared_ptr<Mouse> mouse;
+    std::shared_ptr<GCAdapter> gcadapter;
+    std::shared_ptr<TouchScreen> touch_screen;
+    std::shared_ptr<TasInput::Tas> tas_input;
+    std::shared_ptr<CemuhookUDP::UDPClient> udp_client;
+
+    std::shared_ptr<InputFactory> keyboard_factory;
+    std::shared_ptr<InputFactory> mouse_factory;
+    std::shared_ptr<InputFactory> gcadapter_input_factory;
+    std::shared_ptr<InputFactory> touch_screen_factory;
+    std::shared_ptr<InputFactory> udp_client_input_factory;
+    std::shared_ptr<InputFactory> tas_input_factory;
+
+    std::shared_ptr<OutputFactory> keyboard_output_factory;
+    std::shared_ptr<OutputFactory> mouse_output_factory;
+    std::shared_ptr<OutputFactory> gcadapter_output_factory;
+    std::shared_ptr<OutputFactory> udp_client_output_factory;
+    std::shared_ptr<OutputFactory> tas_output_factory;
+
+#ifdef HAVE_SDL2
+    std::shared_ptr<SDLDriver> sdl;
+    std::shared_ptr<InputFactory> sdl_input_factory;
+    std::shared_ptr<OutputFactory> sdl_output_factory;
 #endif
-    std::shared_ptr<GCButtonFactory> gcbuttons;
-    std::shared_ptr<GCAnalogFactory> gcanalog;
-    std::shared_ptr<GCVibrationFactory> gcvibration;
-    std::shared_ptr<UDPMotionFactory> udpmotion;
-    std::shared_ptr<UDPTouchFactory> udptouch;
-    std::shared_ptr<MouseButtonFactory> mousebuttons;
-    std::shared_ptr<MouseAnalogFactory> mouseanalog;
-    std::shared_ptr<MouseMotionFactory> mousemotion;
-    std::shared_ptr<MouseTouchFactory> mousetouch;
-    std::shared_ptr<TasButtonFactory> tasbuttons;
-    std::shared_ptr<TasAnalogFactory> tasanalog;
-    std::shared_ptr<CemuhookUDP::Client> udp;
-    std::shared_ptr<GCAdapter::Adapter> gcadapter;
-    std::shared_ptr<MouseInput::Mouse> mouse;
-    std::shared_ptr<TasInput::Tas> tas;
 };
 
 InputSubsystem::InputSubsystem() : impl{std::make_unique<Impl>()} {}
@@ -227,20 +337,28 @@ const Keyboard* InputSubsystem::GetKeyboard() const {
     return impl->keyboard.get();
 }
 
-MouseInput::Mouse* InputSubsystem::GetMouse() {
+Mouse* InputSubsystem::GetMouse() {
     return impl->mouse.get();
 }
 
-const MouseInput::Mouse* InputSubsystem::GetMouse() const {
+const Mouse* InputSubsystem::GetMouse() const {
     return impl->mouse.get();
 }
 
+TouchScreen* InputSubsystem::GetTouchScreen() {
+    return impl->touch_screen.get();
+}
+
+const TouchScreen* InputSubsystem::GetTouchScreen() const {
+    return impl->touch_screen.get();
+}
+
 TasInput::Tas* InputSubsystem::GetTas() {
-    return impl->tas.get();
+    return impl->tas_input.get();
 }
 
 const TasInput::Tas* InputSubsystem::GetTas() const {
-    return impl->tas.get();
+    return impl->tas_input.get();
 }
 
 std::vector<Common::ParamPackage> InputSubsystem::GetInputDevices() const {
@@ -259,100 +377,30 @@ MotionMapping InputSubsystem::GetMotionMappingForDevice(const Common::ParamPacka
     return impl->GetMotionMappingForDevice(device);
 }
 
-GCAnalogFactory* InputSubsystem::GetGCAnalogs() {
-    return impl->gcanalog.get();
+Common::Input::ButtonNames InputSubsystem::GetButtonName(const Common::ParamPackage& params) const {
+    return impl->GetButtonName(params);
 }
 
-const GCAnalogFactory* InputSubsystem::GetGCAnalogs() const {
-    return impl->gcanalog.get();
-}
-
-GCButtonFactory* InputSubsystem::GetGCButtons() {
-    return impl->gcbuttons.get();
-}
-
-const GCButtonFactory* InputSubsystem::GetGCButtons() const {
-    return impl->gcbuttons.get();
-}
-
-UDPMotionFactory* InputSubsystem::GetUDPMotions() {
-    return impl->udpmotion.get();
-}
-
-const UDPMotionFactory* InputSubsystem::GetUDPMotions() const {
-    return impl->udpmotion.get();
-}
-
-UDPTouchFactory* InputSubsystem::GetUDPTouch() {
-    return impl->udptouch.get();
-}
-
-const UDPTouchFactory* InputSubsystem::GetUDPTouch() const {
-    return impl->udptouch.get();
-}
-
-MouseButtonFactory* InputSubsystem::GetMouseButtons() {
-    return impl->mousebuttons.get();
-}
-
-const MouseButtonFactory* InputSubsystem::GetMouseButtons() const {
-    return impl->mousebuttons.get();
-}
-
-MouseAnalogFactory* InputSubsystem::GetMouseAnalogs() {
-    return impl->mouseanalog.get();
-}
-
-const MouseAnalogFactory* InputSubsystem::GetMouseAnalogs() const {
-    return impl->mouseanalog.get();
-}
-
-MouseMotionFactory* InputSubsystem::GetMouseMotions() {
-    return impl->mousemotion.get();
-}
-
-const MouseMotionFactory* InputSubsystem::GetMouseMotions() const {
-    return impl->mousemotion.get();
-}
-
-MouseTouchFactory* InputSubsystem::GetMouseTouch() {
-    return impl->mousetouch.get();
-}
-
-const MouseTouchFactory* InputSubsystem::GetMouseTouch() const {
-    return impl->mousetouch.get();
-}
-
-TasButtonFactory* InputSubsystem::GetTasButtons() {
-    return impl->tasbuttons.get();
-}
-
-const TasButtonFactory* InputSubsystem::GetTasButtons() const {
-    return impl->tasbuttons.get();
-}
-
-TasAnalogFactory* InputSubsystem::GetTasAnalogs() {
-    return impl->tasanalog.get();
-}
-
-const TasAnalogFactory* InputSubsystem::GetTasAnalogs() const {
-    return impl->tasanalog.get();
+bool InputSubsystem::IsController(const Common::ParamPackage& params) const {
+    return impl->IsController(params);
 }
 
 void InputSubsystem::ReloadInputDevices() {
-    if (!impl->udp) {
-        return;
-    }
-    impl->udp->ReloadSockets();
+    impl->udp_client.get()->ReloadSockets();
 }
 
-std::vector<std::unique_ptr<Polling::DevicePoller>> InputSubsystem::GetPollers(
-    [[maybe_unused]] Polling::DeviceType type) const {
-#ifdef HAVE_SDL2
-    return impl->sdl->GetPollers(type);
-#else
-    return {};
-#endif
+void InputSubsystem::BeginMapping(Polling::InputType type) {
+    impl->BeginConfiguration();
+    impl->mapping_factory->BeginMapping(type);
+}
+
+const Common::ParamPackage InputSubsystem::GetNextInput() const {
+    return impl->mapping_factory->GetNextInput();
+}
+
+void InputSubsystem::StopMapping() const {
+    impl->EndConfiguration();
+    impl->mapping_factory->StopMapping();
 }
 
 std::string GenerateKeyboardParam(int key_code) {

src/input_common/main.h

@@ -13,6 +13,10 @@ namespace Common {
 class ParamPackage;
 }
 
+namespace Common::Input {
+enum class ButtonNames;
+}
+
 namespace Settings::NativeAnalog {
 enum Values : int;
 }
@@ -25,56 +29,26 @@ namespace Settings::NativeMotion {
 enum Values : int;
 }
 
-namespace MouseInput {
+namespace InputCommon {
+class Keyboard;
 class Mouse;
-}
+class TouchScreen;
+struct MappingData;
+} // namespace InputCommon
 
-namespace TasInput {
+namespace InputCommon::TasInput {
 class Tas;
-}
+} // namespace InputCommon::TasInput
 
 namespace InputCommon {
 namespace Polling {
-
-enum class DeviceType { Button, AnalogPreferred, Motion };
-
-/**
- * A class that can be used to get inputs from an input device like controllers without having to
- * poll the device's status yourself
- */
-class DevicePoller {
-public:
-    virtual ~DevicePoller() = default;
-    /// Setup and start polling for inputs, should be called before GetNextInput
-    /// If a device_id is provided, events should be filtered to only include events from this
-    /// device id
-    virtual void Start(const std::string& device_id = "") = 0;
-    /// Stop polling
-    virtual void Stop() = 0;
-    /**
-     * Every call to this function returns the next input recorded since calling Start
-     * @return A ParamPackage of the recorded input, which can be used to create an InputDevice.
-     *         If there has been no input, the package is empty
-     */
-    virtual Common::ParamPackage GetNextInput() = 0;
-};
+/// Type of input desired for mapping purposes
+enum class InputType { None, Button, Stick, Motion, Touch };
 } // namespace Polling
 
-class GCAnalogFactory;
-class GCButtonFactory;
-class UDPMotionFactory;
-class UDPTouchFactory;
-class MouseButtonFactory;
-class MouseAnalogFactory;
-class MouseMotionFactory;
-class MouseTouchFactory;
-class TasButtonFactory;
-class TasAnalogFactory;
-class Keyboard;
-
 /**
  * Given a ParamPackage for a Device returned from `GetInputDevices`, attempt to get the default
- * mapping for the device. This is currently only implemented for the SDL backend devices.
+ * mapping for the device.
  */
 using AnalogMapping = std::unordered_map<Settings::NativeAnalog::Values, Common::ParamPackage>;
 using ButtonMapping = std::unordered_map<Settings::NativeButton::Values, Common::ParamPackage>;
@@ -104,20 +78,27 @@ public:
     [[nodiscard]] const Keyboard* GetKeyboard() const;
 
     /// Retrieves the underlying mouse device.
-    [[nodiscard]] MouseInput::Mouse* GetMouse();
+    [[nodiscard]] Mouse* GetMouse();
 
     /// Retrieves the underlying mouse device.
-    [[nodiscard]] const MouseInput::Mouse* GetMouse() const;
+    [[nodiscard]] const Mouse* GetMouse() const;
 
-    /// Retrieves the underlying tas device.
+    /// Retrieves the underlying touch screen device.
+    [[nodiscard]] TouchScreen* GetTouchScreen();
+
+    /// Retrieves the underlying touch screen device.
+    [[nodiscard]] const TouchScreen* GetTouchScreen() const;
+
+    /// Retrieves the underlying tas input device.
     [[nodiscard]] TasInput::Tas* GetTas();
 
-    /// Retrieves the underlying tas device.
+    /// Retrieves the underlying  tas input  device.
     [[nodiscard]] const TasInput::Tas* GetTas() const;
+
     /**
      * Returns all available input devices that this Factory can create a new device with.
-     * Each returned ParamPackage should have a `display` field used for display, a class field for
-     * backends to determine if this backend is meant to service the request and any other
+     * Each returned ParamPackage should have a `display` field used for display, a `engine` field
+     * for backends to determine if this backend is meant to service the request and any other
      * information needed to identify this in the backend later.
      */
     [[nodiscard]] std::vector<Common::ParamPackage> GetInputDevices() const;
@@ -131,83 +112,34 @@ public:
     /// Retrieves the motion mappings for the given device.
     [[nodiscard]] MotionMapping GetMotionMappingForDevice(const Common::ParamPackage& device) const;
 
-    /// Retrieves the underlying GameCube analog handler.
-    [[nodiscard]] GCAnalogFactory* GetGCAnalogs();
+    /// Returns an enum contaning the name to be displayed from the input engine.
+    [[nodiscard]] Common::Input::ButtonNames GetButtonName(
+        const Common::ParamPackage& params) const;
 
-    /// Retrieves the underlying GameCube analog handler.
-    [[nodiscard]] const GCAnalogFactory* GetGCAnalogs() const;
+    /// Returns true if device is a controller.
+    [[nodiscard]] bool IsController(const Common::ParamPackage& params) const;
 
-    /// Retrieves the underlying GameCube button handler.
-    [[nodiscard]] GCButtonFactory* GetGCButtons();
-
-    /// Retrieves the underlying GameCube button handler.
-    [[nodiscard]] const GCButtonFactory* GetGCButtons() const;
-
-    /// Retrieves the underlying udp motion handler.
-    [[nodiscard]] UDPMotionFactory* GetUDPMotions();
-
-    /// Retrieves the underlying udp motion handler.
-    [[nodiscard]] const UDPMotionFactory* GetUDPMotions() const;
-
-    /// Retrieves the underlying udp touch handler.
-    [[nodiscard]] UDPTouchFactory* GetUDPTouch();
-
-    /// Retrieves the underlying udp touch handler.
-    [[nodiscard]] const UDPTouchFactory* GetUDPTouch() const;
-
-    /// Retrieves the underlying mouse button handler.
-    [[nodiscard]] MouseButtonFactory* GetMouseButtons();
-
-    /// Retrieves the underlying mouse button handler.
-    [[nodiscard]] const MouseButtonFactory* GetMouseButtons() const;
-
-    /// Retrieves the underlying mouse analog handler.
-    [[nodiscard]] MouseAnalogFactory* GetMouseAnalogs();
-
-    /// Retrieves the underlying mouse analog handler.
-    [[nodiscard]] const MouseAnalogFactory* GetMouseAnalogs() const;
-
-    /// Retrieves the underlying mouse motion handler.
-    [[nodiscard]] MouseMotionFactory* GetMouseMotions();
-
-    /// Retrieves the underlying mouse motion handler.
-    [[nodiscard]] const MouseMotionFactory* GetMouseMotions() const;
-
-    /// Retrieves the underlying mouse touch handler.
-    [[nodiscard]] MouseTouchFactory* GetMouseTouch();
-
-    /// Retrieves the underlying mouse touch handler.
-    [[nodiscard]] const MouseTouchFactory* GetMouseTouch() const;
-
-    /// Retrieves the underlying tas button handler.
-    [[nodiscard]] TasButtonFactory* GetTasButtons();
-
-    /// Retrieves the underlying tas button handler.
-    [[nodiscard]] const TasButtonFactory* GetTasButtons() const;
-
-    /// Retrieves the underlying tas analogs handler.
-    [[nodiscard]] TasAnalogFactory* GetTasAnalogs();
-
-    /// Retrieves the underlying tas analogs handler.
-    [[nodiscard]] const TasAnalogFactory* GetTasAnalogs() const;
-
-    /// Reloads the input devices
+    /// Reloads the input devices.
     void ReloadInputDevices();
 
-    /// Get all DevicePoller from all backends for a specific device type
-    [[nodiscard]] std::vector<std::unique_ptr<Polling::DevicePoller>> GetPollers(
-        Polling::DeviceType type) const;
+    /// Start polling from all backends for a desired input type.
+    void BeginMapping(Polling::InputType type);
+
+    /// Returns an input event with mapping information.
+    [[nodiscard]] const Common::ParamPackage GetNextInput() const;
+
+    /// Stop polling from all backends.
+    void StopMapping() const;
 
 private:
     struct Impl;
     std::unique_ptr<Impl> impl;
 };
 
-/// Generates a serialized param package for creating a keyboard button device
+/// Generates a serialized param package for creating a keyboard button device.
 std::string GenerateKeyboardParam(int key_code);
 
-/// Generates a serialized param package for creating an analog device taking input from keyboard
+/// Generates a serialized param package for creating an analog device taking input from keyboard.
 std::string GenerateAnalogParamFromKeys(int key_up, int key_down, int key_left, int key_right,
                                         int key_modifier, float modifier_scale);
-
 } // namespace InputCommon

src/input_common/motion_from_button.cpp

@@ -1,34 +0,0 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include "input_common/motion_from_button.h"
-#include "input_common/motion_input.h"
-
-namespace InputCommon {
-
-class MotionKey final : public Input::MotionDevice {
-public:
-    using Button = std::unique_ptr<Input::ButtonDevice>;
-
-    explicit MotionKey(Button key_) : key(std::move(key_)) {}
-
-    Input::MotionStatus GetStatus() const override {
-
-        if (key->GetStatus()) {
-            return motion.GetRandomMotion(2, 6);
-        }
-        return motion.GetRandomMotion(0, 0);
-    }
-
-private:
-    Button key;
-    InputCommon::MotionInput motion{0.0f, 0.0f, 0.0f};
-};
-
-std::unique_ptr<Input::MotionDevice> MotionFromButton::Create(const Common::ParamPackage& params) {
-    auto key = Input::CreateDevice<Input::ButtonDevice>(params.Serialize());
-    return std::make_unique<MotionKey>(std::move(key));
-}
-
-} // namespace InputCommon

src/input_common/motion_from_button.h

@@ -1,25 +0,0 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include "core/frontend/input.h"
-
-namespace InputCommon {
-
-/**
- * An motion device factory that takes a keyboard button and uses it as a random
- * motion device.
- */
-class MotionFromButton final : public Input::Factory<Input::MotionDevice> {
-public:
-    /**
-     * Creates an motion device from button devices
-     * @param params contains parameters for creating the device:
-     *     - "key": a serialized ParamPackage for creating a button device
-     */
-    std::unique_ptr<Input::MotionDevice> Create(const Common::ParamPackage& params) override;
-};
-
-} // namespace InputCommon

src/input_common/mouse/mouse_input.cpp

@@ -1,223 +0,0 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
-
-#include <stop_token>
-#include <thread>
-
-#include "common/settings.h"
-#include "input_common/mouse/mouse_input.h"
-
-namespace MouseInput {
-
-Mouse::Mouse() {
-    update_thread = std::jthread([this](std::stop_token stop_token) { UpdateThread(stop_token); });
-}
-
-Mouse::~Mouse() = default;
-
-void Mouse::UpdateThread(std::stop_token stop_token) {
-    constexpr int update_time = 10;
-    while (!stop_token.stop_requested()) {
-        for (MouseInfo& info : mouse_info) {
-            const Common::Vec3f angular_direction{
-                -info.tilt_direction.y,
-                0.0f,
-                -info.tilt_direction.x,
-            };
-
-            info.motion.SetGyroscope(angular_direction * info.tilt_speed);
-            info.motion.UpdateRotation(update_time * 1000);
-            info.motion.UpdateOrientation(update_time * 1000);
-            info.tilt_speed = 0;
-            info.data.motion = info.motion.GetMotion();
-            if (Settings::values.mouse_panning) {
-                info.last_mouse_change *= 0.96f;
-                info.data.axis = {static_cast<int>(16 * info.last_mouse_change.x),
-                                  static_cast<int>(16 * -info.last_mouse_change.y)};
-            }
-        }
-        if (configuring) {
-            UpdateYuzuSettings();
-        }
-        if (mouse_panning_timout++ > 20) {
-            StopPanning();
-        }
-        std::this_thread::sleep_for(std::chrono::milliseconds(update_time));
-    }
-}
-
-void Mouse::UpdateYuzuSettings() {
-    if (buttons == 0) {
-        return;
-    }
-
-    mouse_queue.Push(MouseStatus{
-        .button = last_button,
-    });
-}
-
-void Mouse::PressButton(int x, int y, MouseButton button_) {
-    const auto button_index = static_cast<std::size_t>(button_);
-    if (button_index >= mouse_info.size()) {
-        return;
-    }
-
-    const auto button = 1U << button_index;
-    buttons |= static_cast<u16>(button);
-    last_button = button_;
-
-    mouse_info[button_index].mouse_origin = Common::MakeVec(x, y);
-    mouse_info[button_index].last_mouse_position = Common::MakeVec(x, y);
-    mouse_info[button_index].data.pressed = true;
-}
-
-void Mouse::StopPanning() {
-    for (MouseInfo& info : mouse_info) {
-        if (Settings::values.mouse_panning) {
-            info.data.axis = {};
-            info.tilt_speed = 0;
-            info.last_mouse_change = {};
-        }
-    }
-}
-
-void Mouse::MouseMove(int x, int y, int center_x, int center_y) {
-    for (MouseInfo& info : mouse_info) {
-        if (Settings::values.mouse_panning) {
-            auto mouse_change =
-                (Common::MakeVec(x, y) - Common::MakeVec(center_x, center_y)).Cast<float>();
-            mouse_panning_timout = 0;
-
-            if (mouse_change.y == 0 && mouse_change.x == 0) {
-                continue;
-            }
-            const auto mouse_change_length = mouse_change.Length();
-            if (mouse_change_length < 3.0f) {
-                mouse_change /= mouse_change_length / 3.0f;
-            }
-
-            info.last_mouse_change = (info.last_mouse_change * 0.91f) + (mouse_change * 0.09f);
-
-            const auto last_mouse_change_length = info.last_mouse_change.Length();
-            if (last_mouse_change_length > 8.0f) {
-                info.last_mouse_change /= last_mouse_change_length / 8.0f;
-            } else if (last_mouse_change_length < 1.0f) {
-                info.last_mouse_change = mouse_change / mouse_change.Length();
-            }
-
-            info.tilt_direction = info.last_mouse_change;
-            info.tilt_speed = info.tilt_direction.Normalize() * info.sensitivity;
-            continue;
-        }
-
-        if (info.data.pressed) {
-            const auto mouse_move = Common::MakeVec(x, y) - info.mouse_origin;
-            const auto mouse_change = Common::MakeVec(x, y) - info.last_mouse_position;
-            info.last_mouse_position = Common::MakeVec(x, y);
-            info.data.axis = {mouse_move.x, -mouse_move.y};
-
-            if (mouse_change.x == 0 && mouse_change.y == 0) {
-                info.tilt_speed = 0;
-            } else {
-                info.tilt_direction = mouse_change.Cast<float>();
-                info.tilt_speed = info.tilt_direction.Normalize() * info.sensitivity;
-            }
-        }
-    }
-}
-
-void Mouse::ReleaseButton(MouseButton button_) {
-    const auto button_index = static_cast<std::size_t>(button_);
-    if (button_index >= mouse_info.size()) {
-        return;
-    }
-
-    const auto button = 1U << button_index;
-    buttons &= static_cast<u16>(0xFF - button);
-
-    mouse_info[button_index].tilt_speed = 0;
-    mouse_info[button_index].data.pressed = false;
-    mouse_info[button_index].data.axis = {0, 0};
-}
-
-void Mouse::ReleaseAllButtons() {
-    buttons = 0;
-    for (auto& info : mouse_info) {
-        info.tilt_speed = 0;
-        info.data.pressed = false;
-        info.data.axis = {0, 0};
-    }
-}
-
-void Mouse::BeginConfiguration() {
-    buttons = 0;
-    last_button = MouseButton::Undefined;
-    mouse_queue.Clear();
-    configuring = true;
-}
-
-void Mouse::EndConfiguration() {
-    buttons = 0;
-    for (MouseInfo& info : mouse_info) {
-        info.tilt_speed = 0;
-        info.data.pressed = false;
-        info.data.axis = {0, 0};
-    }
-    last_button = MouseButton::Undefined;
-    mouse_queue.Clear();
-    configuring = false;
-}
-
-bool Mouse::ToggleButton(std::size_t button_) {
-    if (button_ >= mouse_info.size()) {
-        return false;
-    }
-    const auto button = 1U << button_;
-    const bool button_state = (toggle_buttons & button) != 0;
-    const bool button_lock = (lock_buttons & button) != 0;
-
-    if (button_lock) {
-        return button_state;
-    }
-
-    lock_buttons |= static_cast<u16>(button);
-
-    if (button_state) {
-        toggle_buttons &= static_cast<u16>(0xFF - button);
-    } else {
-        toggle_buttons |= static_cast<u16>(button);
-    }
-
-    return !button_state;
-}
-
-bool Mouse::UnlockButton(std::size_t button_) {
-    if (button_ >= mouse_info.size()) {
-        return false;
-    }
-
-    const auto button = 1U << button_;
-    const bool button_state = (toggle_buttons & button) != 0;
-
-    lock_buttons &= static_cast<u16>(0xFF - button);
-
-    return button_state;
-}
-
-Common::SPSCQueue<MouseStatus>& Mouse::GetMouseQueue() {
-    return mouse_queue;
-}
-
-const Common::SPSCQueue<MouseStatus>& Mouse::GetMouseQueue() const {
-    return mouse_queue;
-}
-
-MouseData& Mouse::GetMouseState(std::size_t button) {
-    return mouse_info[button].data;
-}
-
-const MouseData& Mouse::GetMouseState(std::size_t button) const {
-    return mouse_info[button].data;
-}
-} // namespace MouseInput

src/input_common/mouse/mouse_input.h

@@ -1,116 +0,0 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <array>
-#include <mutex>
-#include <stop_token>
-#include <thread>
-
-#include "common/common_types.h"
-#include "common/threadsafe_queue.h"
-#include "common/vector_math.h"
-#include "core/frontend/input.h"
-#include "input_common/motion_input.h"
-
-namespace MouseInput {
-
-enum class MouseButton {
-    Left,
-    Right,
-    Wheel,
-    Backward,
-    Forward,
-    Task,
-    Extra,
-    Undefined,
-};
-
-struct MouseStatus {
-    MouseButton button{MouseButton::Undefined};
-};
-
-struct MouseData {
-    bool pressed{};
-    std::array<int, 2> axis{};
-    Input::MotionStatus motion{};
-    Input::TouchStatus touch{};
-};
-
-class Mouse {
-public:
-    Mouse();
-    ~Mouse();
-
-    /// Used for polling
-    void BeginConfiguration();
-    void EndConfiguration();
-
-    /**
-     * Signals that a button is pressed.
-     * @param x the x-coordinate of the cursor
-     * @param y the y-coordinate of the cursor
-     * @param button_ the button pressed
-     */
-    void PressButton(int x, int y, MouseButton button_);
-
-    /**
-     * Signals that mouse has moved.
-     * @param x the x-coordinate of the cursor
-     * @param y the y-coordinate of the cursor
-     * @param center_x the x-coordinate of the middle of the screen
-     * @param center_y the y-coordinate of the middle of the screen
-     */
-    void MouseMove(int x, int y, int center_x, int center_y);
-
-    /**
-     * Signals that a button is released.
-     * @param button_ the button pressed
-     */
-    void ReleaseButton(MouseButton button_);
-
-    /**
-     * Signals that all buttons are released
-     */
-    void ReleaseAllButtons();
-
-    [[nodiscard]] bool ToggleButton(std::size_t button_);
-    [[nodiscard]] bool UnlockButton(std::size_t button_);
-
-    [[nodiscard]] Common::SPSCQueue<MouseStatus>& GetMouseQueue();
-    [[nodiscard]] const Common::SPSCQueue<MouseStatus>& GetMouseQueue() const;
-
-    [[nodiscard]] MouseData& GetMouseState(std::size_t button);
-    [[nodiscard]] const MouseData& GetMouseState(std::size_t button) const;
-
-private:
-    void UpdateThread(std::stop_token stop_token);
-    void UpdateYuzuSettings();
-    void StopPanning();
-
-    struct MouseInfo {
-        InputCommon::MotionInput motion{0.0f, 0.0f, 0.0f};
-        Common::Vec2<int> mouse_origin;
-        Common::Vec2<int> last_mouse_position;
-        Common::Vec2<float> last_mouse_change;
-        bool is_tilting = false;
-        float sensitivity{0.120f};
-
-        float tilt_speed = 0;
-        Common::Vec2<float> tilt_direction;
-        MouseData data;
-    };
-
-    u16 buttons{};
-    u16 toggle_buttons{};
-    u16 lock_buttons{};
-    std::jthread update_thread;
-    MouseButton last_button{MouseButton::Undefined};
-    std::array<MouseInfo, 7> mouse_info;
-    Common::SPSCQueue<MouseStatus> mouse_queue;
-    bool configuring{false};
-    int mouse_panning_timout{};
-};
-} // namespace MouseInput

src/input_common/mouse/mouse_poller.cpp

@@ -1,299 +0,0 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <memory>
-#include <mutex>
-#include <utility>
-
-#include "common/settings.h"
-#include "common/threadsafe_queue.h"
-#include "input_common/mouse/mouse_input.h"
-#include "input_common/mouse/mouse_poller.h"
-
-namespace InputCommon {
-
-class MouseButton final : public Input::ButtonDevice {
-public:
-    explicit MouseButton(u32 button_, bool toggle_, MouseInput::Mouse* mouse_input_)
-        : button(button_), toggle(toggle_), mouse_input(mouse_input_) {}
-
-    bool GetStatus() const override {
-        const bool button_state = mouse_input->GetMouseState(button).pressed;
-        if (!toggle) {
-            return button_state;
-        }
-
-        if (button_state) {
-            return mouse_input->ToggleButton(button);
-        }
-        return mouse_input->UnlockButton(button);
-    }
-
-private:
-    const u32 button;
-    const bool toggle;
-    MouseInput::Mouse* mouse_input;
-};
-
-MouseButtonFactory::MouseButtonFactory(std::shared_ptr<MouseInput::Mouse> mouse_input_)
-    : mouse_input(std::move(mouse_input_)) {}
-
-std::unique_ptr<Input::ButtonDevice> MouseButtonFactory::Create(
-    const Common::ParamPackage& params) {
-    const auto button_id = params.Get("button", 0);
-    const auto toggle = params.Get("toggle", false);
-
-    return std::make_unique<MouseButton>(button_id, toggle, mouse_input.get());
-}
-
-Common::ParamPackage MouseButtonFactory::GetNextInput() const {
-    MouseInput::MouseStatus pad;
-    Common::ParamPackage params;
-    auto& queue = mouse_input->GetMouseQueue();
-    while (queue.Pop(pad)) {
-        // This while loop will break on the earliest detected button
-        if (pad.button != MouseInput::MouseButton::Undefined) {
-            params.Set("engine", "mouse");
-            params.Set("button", static_cast<u16>(pad.button));
-            params.Set("toggle", false);
-            return params;
-        }
-    }
-    return params;
-}
-
-void MouseButtonFactory::BeginConfiguration() {
-    polling = true;
-    mouse_input->BeginConfiguration();
-}
-
-void MouseButtonFactory::EndConfiguration() {
-    polling = false;
-    mouse_input->EndConfiguration();
-}
-
-class MouseAnalog final : public Input::AnalogDevice {
-public:
-    explicit MouseAnalog(u32 port_, u32 axis_x_, u32 axis_y_, bool invert_x_, bool invert_y_,
-                         float deadzone_, float range_, const MouseInput::Mouse* mouse_input_)
-        : button(port_), axis_x(axis_x_), axis_y(axis_y_), invert_x(invert_x_), invert_y(invert_y_),
-          deadzone(deadzone_), range(range_), mouse_input(mouse_input_) {}
-
-    float GetAxis(u32 axis) const {
-        std::lock_guard lock{mutex};
-        const auto axis_value =
-            static_cast<float>(mouse_input->GetMouseState(button).axis.at(axis));
-        const float sensitivity = Settings::values.mouse_panning_sensitivity.GetValue() * 0.10f;
-        return axis_value * sensitivity / (100.0f * range);
-    }
-
-    std::pair<float, float> GetAnalog(u32 analog_axis_x, u32 analog_axis_y) const {
-        float x = GetAxis(analog_axis_x);
-        float y = GetAxis(analog_axis_y);
-        if (invert_x) {
-            x = -x;
-        }
-        if (invert_y) {
-            y = -y;
-        }
-
-        // Make sure the coordinates are in the unit circle,
-        // otherwise normalize it.
-        float r = x * x + y * y;
-        if (r > 1.0f) {
-            r = std::sqrt(r);
-            x /= r;
-            y /= r;
-        }
-
-        return {x, y};
-    }
-
-    std::tuple<float, float> GetStatus() const override {
-        const auto [x, y] = GetAnalog(axis_x, axis_y);
-        const float r = std::sqrt((x * x) + (y * y));
-        if (r > deadzone) {
-            return {x / r * (r - deadzone) / (1 - deadzone),
-                    y / r * (r - deadzone) / (1 - deadzone)};
-        }
-        return {0.0f, 0.0f};
-    }
-
-    std::tuple<float, float> GetRawStatus() const override {
-        const float x = GetAxis(axis_x);
-        const float y = GetAxis(axis_y);
-        return {x, y};
-    }
-
-    Input::AnalogProperties GetAnalogProperties() const override {
-        return {deadzone, range, 0.5f};
-    }
-
-private:
-    const u32 button;
-    const u32 axis_x;
-    const u32 axis_y;
-    const bool invert_x;
-    const bool invert_y;
-    const float deadzone;
-    const float range;
-    const MouseInput::Mouse* mouse_input;
-    mutable std::mutex mutex;
-};
-
-/// An analog device factory that creates analog devices from GC Adapter
-MouseAnalogFactory::MouseAnalogFactory(std::shared_ptr<MouseInput::Mouse> mouse_input_)
-    : mouse_input(std::move(mouse_input_)) {}
-
-/**
- * Creates analog device from joystick axes
- * @param params contains parameters for creating the device:
- *     - "port": the nth gcpad on the adapter
- *     - "axis_x": the index of the axis to be bind as x-axis
- *     - "axis_y": the index of the axis to be bind as y-axis
- */
-std::unique_ptr<Input::AnalogDevice> MouseAnalogFactory::Create(
-    const Common::ParamPackage& params) {
-    const auto port = static_cast<u32>(params.Get("port", 0));
-    const auto axis_x = static_cast<u32>(params.Get("axis_x", 0));
-    const auto axis_y = static_cast<u32>(params.Get("axis_y", 1));
-    const auto deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, 1.0f);
-    const auto range = std::clamp(params.Get("range", 1.0f), 0.50f, 1.50f);
-    const std::string invert_x_value = params.Get("invert_x", "+");
-    const std::string invert_y_value = params.Get("invert_y", "+");
-    const bool invert_x = invert_x_value == "-";
-    const bool invert_y = invert_y_value == "-";
-
-    return std::make_unique<MouseAnalog>(port, axis_x, axis_y, invert_x, invert_y, deadzone, range,
-                                         mouse_input.get());
-}
-
-void MouseAnalogFactory::BeginConfiguration() {
-    polling = true;
-    mouse_input->BeginConfiguration();
-}
-
-void MouseAnalogFactory::EndConfiguration() {
-    polling = false;
-    mouse_input->EndConfiguration();
-}
-
-Common::ParamPackage MouseAnalogFactory::GetNextInput() const {
-    MouseInput::MouseStatus pad;
-    Common::ParamPackage params;
-    auto& queue = mouse_input->GetMouseQueue();
-    while (queue.Pop(pad)) {
-        // This while loop will break on the earliest detected button
-        if (pad.button != MouseInput::MouseButton::Undefined) {
-            params.Set("engine", "mouse");
-            params.Set("port", static_cast<u16>(pad.button));
-            params.Set("axis_x", 0);
-            params.Set("axis_y", 1);
-            params.Set("invert_x", "+");
-            params.Set("invert_y", "+");
-            return params;
-        }
-    }
-    return params;
-}
-
-class MouseMotion final : public Input::MotionDevice {
-public:
-    explicit MouseMotion(u32 button_, const MouseInput::Mouse* mouse_input_)
-        : button(button_), mouse_input(mouse_input_) {}
-
-    Input::MotionStatus GetStatus() const override {
-        return mouse_input->GetMouseState(button).motion;
-    }
-
-private:
-    const u32 button;
-    const MouseInput::Mouse* mouse_input;
-};
-
-MouseMotionFactory::MouseMotionFactory(std::shared_ptr<MouseInput::Mouse> mouse_input_)
-    : mouse_input(std::move(mouse_input_)) {}
-
-std::unique_ptr<Input::MotionDevice> MouseMotionFactory::Create(
-    const Common::ParamPackage& params) {
-    const auto button_id = params.Get("button", 0);
-
-    return std::make_unique<MouseMotion>(button_id, mouse_input.get());
-}
-
-Common::ParamPackage MouseMotionFactory::GetNextInput() const {
-    MouseInput::MouseStatus pad;
-    Common::ParamPackage params;
-    auto& queue = mouse_input->GetMouseQueue();
-    while (queue.Pop(pad)) {
-        // This while loop will break on the earliest detected button
-        if (pad.button != MouseInput::MouseButton::Undefined) {
-            params.Set("engine", "mouse");
-            params.Set("button", static_cast<u16>(pad.button));
-            return params;
-        }
-    }
-    return params;
-}
-
-void MouseMotionFactory::BeginConfiguration() {
-    polling = true;
-    mouse_input->BeginConfiguration();
-}
-
-void MouseMotionFactory::EndConfiguration() {
-    polling = false;
-    mouse_input->EndConfiguration();
-}
-
-class MouseTouch final : public Input::TouchDevice {
-public:
-    explicit MouseTouch(u32 button_, const MouseInput::Mouse* mouse_input_)
-        : button(button_), mouse_input(mouse_input_) {}
-
-    Input::TouchStatus GetStatus() const override {
-        return mouse_input->GetMouseState(button).touch;
-    }
-
-private:
-    const u32 button;
-    const MouseInput::Mouse* mouse_input;
-};
-
-MouseTouchFactory::MouseTouchFactory(std::shared_ptr<MouseInput::Mouse> mouse_input_)
-    : mouse_input(std::move(mouse_input_)) {}
-
-std::unique_ptr<Input::TouchDevice> MouseTouchFactory::Create(const Common::ParamPackage& params) {
-    const auto button_id = params.Get("button", 0);
-
-    return std::make_unique<MouseTouch>(button_id, mouse_input.get());
-}
-
-Common::ParamPackage MouseTouchFactory::GetNextInput() const {
-    MouseInput::MouseStatus pad;
-    Common::ParamPackage params;
-    auto& queue = mouse_input->GetMouseQueue();
-    while (queue.Pop(pad)) {
-        // This while loop will break on the earliest detected button
-        if (pad.button != MouseInput::MouseButton::Undefined) {
-            params.Set("engine", "mouse");
-            params.Set("button", static_cast<u16>(pad.button));
-            return params;
-        }
-    }
-    return params;
-}
-
-void MouseTouchFactory::BeginConfiguration() {
-    polling = true;
-    mouse_input->BeginConfiguration();
-}
-
-void MouseTouchFactory::EndConfiguration() {
-    polling = false;
-    mouse_input->EndConfiguration();
-}
-
-} // namespace InputCommon

src/input_common/mouse/mouse_poller.h

@@ -1,109 +0,0 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <memory>
-#include "core/frontend/input.h"
-#include "input_common/mouse/mouse_input.h"
-
-namespace InputCommon {
-
-/**
- * A button device factory representing a mouse. It receives mouse events and forward them
- * to all button devices it created.
- */
-class MouseButtonFactory final : public Input::Factory<Input::ButtonDevice> {
-public:
-    explicit MouseButtonFactory(std::shared_ptr<MouseInput::Mouse> mouse_input_);
-
-    /**
-     * Creates a button device from a button press
-     * @param params contains parameters for creating the device:
-     *     - "code": the code of the key to bind with the button
-     */
-    std::unique_ptr<Input::ButtonDevice> Create(const Common::ParamPackage& params) override;
-
-    Common::ParamPackage GetNextInput() const;
-
-    /// For device input configuration/polling
-    void BeginConfiguration();
-    void EndConfiguration();
-
-    bool IsPolling() const {
-        return polling;
-    }
-
-private:
-    std::shared_ptr<MouseInput::Mouse> mouse_input;
-    bool polling = false;
-};
-
-/// An analog device factory that creates analog devices from mouse
-class MouseAnalogFactory final : public Input::Factory<Input::AnalogDevice> {
-public:
-    explicit MouseAnalogFactory(std::shared_ptr<MouseInput::Mouse> mouse_input_);
-
-    std::unique_ptr<Input::AnalogDevice> Create(const Common::ParamPackage& params) override;
-
-    Common::ParamPackage GetNextInput() const;
-
-    /// For device input configuration/polling
-    void BeginConfiguration();
-    void EndConfiguration();
-
-    bool IsPolling() const {
-        return polling;
-    }
-
-private:
-    std::shared_ptr<MouseInput::Mouse> mouse_input;
-    bool polling = false;
-};
-
-/// A motion device factory that creates motion devices from mouse
-class MouseMotionFactory final : public Input::Factory<Input::MotionDevice> {
-public:
-    explicit MouseMotionFactory(std::shared_ptr<MouseInput::Mouse> mouse_input_);
-
-    std::unique_ptr<Input::MotionDevice> Create(const Common::ParamPackage& params) override;
-
-    Common::ParamPackage GetNextInput() const;
-
-    /// For device input configuration/polling
-    void BeginConfiguration();
-    void EndConfiguration();
-
-    bool IsPolling() const {
-        return polling;
-    }
-
-private:
-    std::shared_ptr<MouseInput::Mouse> mouse_input;
-    bool polling = false;
-};
-
-/// An touch device factory that creates touch devices from mouse
-class MouseTouchFactory final : public Input::Factory<Input::TouchDevice> {
-public:
-    explicit MouseTouchFactory(std::shared_ptr<MouseInput::Mouse> mouse_input_);
-
-    std::unique_ptr<Input::TouchDevice> Create(const Common::ParamPackage& params) override;
-
-    Common::ParamPackage GetNextInput() const;
-
-    /// For device input configuration/polling
-    void BeginConfiguration();
-    void EndConfiguration();
-
-    bool IsPolling() const {
-        return polling;
-    }
-
-private:
-    std::shared_ptr<MouseInput::Mouse> mouse_input;
-    bool polling = false;
-};
-
-} // namespace InputCommon

src/input_common/sdl/sdl.cpp

@@ -1,19 +0,0 @@
-// Copyright 2018 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include "input_common/sdl/sdl.h"
-#ifdef HAVE_SDL2
-#include "input_common/sdl/sdl_impl.h"
-#endif
-
-namespace InputCommon::SDL {
-
-std::unique_ptr<State> Init() {
-#ifdef HAVE_SDL2
-    return std::make_unique<SDLState>();
-#else
-    return std::make_unique<NullState>();
-#endif
-}
-} // namespace InputCommon::SDL

src/input_common/sdl/sdl.h

@@ -1,51 +0,0 @@
-// Copyright 2018 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <memory>
-#include <vector>
-#include "common/param_package.h"
-#include "input_common/main.h"
-
-namespace InputCommon::Polling {
-class DevicePoller;
-enum class DeviceType;
-} // namespace InputCommon::Polling
-
-namespace InputCommon::SDL {
-
-class State {
-public:
-    using Pollers = std::vector<std::unique_ptr<Polling::DevicePoller>>;
-
-    /// Unregisters SDL device factories and shut them down.
-    virtual ~State() = default;
-
-    virtual Pollers GetPollers(Polling::DeviceType) {
-        return {};
-    }
-
-    virtual std::vector<Common::ParamPackage> GetInputDevices() {
-        return {};
-    }
-
-    virtual ButtonMapping GetButtonMappingForDevice(const Common::ParamPackage&) {
-        return {};
-    }
-    virtual AnalogMapping GetAnalogMappingForDevice(const Common::ParamPackage&) {
-        return {};
-    }
-    virtual MotionMapping GetMotionMappingForDevice(const Common::ParamPackage&) {
-        return {};
-    }
-};
-
-class NullState : public State {
-public:
-};
-
-std::unique_ptr<State> Init();
-
-} // namespace InputCommon::SDL

src/input_common/tas/tas_input.cpp

@@ -1,455 +0,0 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
-
-#include <cstring>
-#include <regex>
-
-#include "common/fs/file.h"
-#include "common/fs/fs_types.h"
-#include "common/fs/path_util.h"
-#include "common/logging/log.h"
-#include "common/settings.h"
-#include "input_common/tas/tas_input.h"
-
-namespace TasInput {
-
-// Supported keywords and buttons from a TAS file
-constexpr std::array<std::pair<std::string_view, TasButton>, 20> text_to_tas_button = {
-    std::pair{"KEY_A", TasButton::BUTTON_A},
-    {"KEY_B", TasButton::BUTTON_B},
-    {"KEY_X", TasButton::BUTTON_X},
-    {"KEY_Y", TasButton::BUTTON_Y},
-    {"KEY_LSTICK", TasButton::STICK_L},
-    {"KEY_RSTICK", TasButton::STICK_R},
-    {"KEY_L", TasButton::TRIGGER_L},
-    {"KEY_R", TasButton::TRIGGER_R},
-    {"KEY_PLUS", TasButton::BUTTON_PLUS},
-    {"KEY_MINUS", TasButton::BUTTON_MINUS},
-    {"KEY_DLEFT", TasButton::BUTTON_LEFT},
-    {"KEY_DUP", TasButton::BUTTON_UP},
-    {"KEY_DRIGHT", TasButton::BUTTON_RIGHT},
-    {"KEY_DDOWN", TasButton::BUTTON_DOWN},
-    {"KEY_SL", TasButton::BUTTON_SL},
-    {"KEY_SR", TasButton::BUTTON_SR},
-    {"KEY_CAPTURE", TasButton::BUTTON_CAPTURE},
-    {"KEY_HOME", TasButton::BUTTON_HOME},
-    {"KEY_ZL", TasButton::TRIGGER_ZL},
-    {"KEY_ZR", TasButton::TRIGGER_ZR},
-};
-
-Tas::Tas() {
-    if (!Settings::values.tas_enable) {
-        needs_reset = true;
-        return;
-    }
-    LoadTasFiles();
-}
-
-Tas::~Tas() {
-    Stop();
-};
-
-void Tas::LoadTasFiles() {
-    script_length = 0;
-    for (size_t i = 0; i < commands.size(); i++) {
-        LoadTasFile(i);
-        if (commands[i].size() > script_length) {
-            script_length = commands[i].size();
-        }
-    }
-}
-
-void Tas::LoadTasFile(size_t player_index) {
-    if (!commands[player_index].empty()) {
-        commands[player_index].clear();
-    }
-    std::string file =
-        Common::FS::ReadStringFromFile(Common::FS::GetYuzuPath(Common::FS::YuzuPath::TASDir) /
-                                           fmt::format("script0-{}.txt", player_index + 1),
-                                       Common::FS::FileType::BinaryFile);
-    std::stringstream command_line(file);
-    std::string line;
-    int frame_no = 0;
-    while (std::getline(command_line, line, '\n')) {
-        if (line.empty()) {
-            continue;
-        }
-        LOG_DEBUG(Input, "Loading line: {}", line);
-        std::smatch m;
-
-        std::stringstream linestream(line);
-        std::string segment;
-        std::vector<std::string> seglist;
-
-        while (std::getline(linestream, segment, ' ')) {
-            seglist.push_back(segment);
-        }
-
-        if (seglist.size() < 4) {
-            continue;
-        }
-
-        while (frame_no < std::stoi(seglist.at(0))) {
-            commands[player_index].push_back({});
-            frame_no++;
-        }
-
-        TASCommand command = {
-            .buttons = ReadCommandButtons(seglist.at(1)),
-            .l_axis = ReadCommandAxis(seglist.at(2)),
-            .r_axis = ReadCommandAxis(seglist.at(3)),
-        };
-        commands[player_index].push_back(command);
-        frame_no++;
-    }
-    LOG_INFO(Input, "TAS file loaded! {} frames", frame_no);
-}
-
-void Tas::WriteTasFile(std::u8string file_name) {
-    std::string output_text;
-    for (size_t frame = 0; frame < record_commands.size(); frame++) {
-        if (!output_text.empty()) {
-            output_text += "\n";
-        }
-        const TASCommand& line = record_commands[frame];
-        output_text += std::to_string(frame) + " " + WriteCommandButtons(line.buttons) + " " +
-                       WriteCommandAxis(line.l_axis) + " " + WriteCommandAxis(line.r_axis);
-    }
-    const auto bytes_written = Common::FS::WriteStringToFile(
-        Common::FS::GetYuzuPath(Common::FS::YuzuPath::TASDir) / file_name,
-        Common::FS::FileType::TextFile, output_text);
-    if (bytes_written == output_text.size()) {
-        LOG_INFO(Input, "TAS file written to file!");
-    } else {
-        LOG_ERROR(Input, "Writing the TAS-file has failed! {} / {} bytes written", bytes_written,
-                  output_text.size());
-    }
-}
-
-std::pair<float, float> Tas::FlipAxisY(std::pair<float, float> old) {
-    auto [x, y] = old;
-    return {x, -y};
-}
-
-void Tas::RecordInput(u32 buttons, const std::array<std::pair<float, float>, 2>& axes) {
-    last_input = {buttons, FlipAxisY(axes[0]), FlipAxisY(axes[1])};
-}
-
-std::tuple<TasState, size_t, size_t> Tas::GetStatus() const {
-    TasState state;
-    if (is_recording) {
-        return {TasState::Recording, 0, record_commands.size()};
-    }
-
-    if (is_running) {
-        state = TasState::Running;
-    } else {
-        state = TasState::Stopped;
-    }
-
-    return {state, current_command, script_length};
-}
-
-std::string Tas::DebugButtons(u32 buttons) const {
-    return fmt::format("{{ {} }}", TasInput::Tas::ButtonsToString(buttons));
-}
-
-std::string Tas::DebugJoystick(float x, float y) const {
-    return fmt::format("[ {} , {} ]", std::to_string(x), std::to_string(y));
-}
-
-std::string Tas::DebugInput(const TasData& data) const {
-    return fmt::format("{{ {} , {} , {} }}", DebugButtons(data.buttons),
-                       DebugJoystick(data.axis[0], data.axis[1]),
-                       DebugJoystick(data.axis[2], data.axis[3]));
-}
-
-std::string Tas::DebugInputs(const std::array<TasData, PLAYER_NUMBER>& arr) const {
-    std::string returns = "[ ";
-    for (size_t i = 0; i < arr.size(); i++) {
-        returns += DebugInput(arr[i]);
-        if (i != arr.size() - 1) {
-            returns += " , ";
-        }
-    }
-    return returns + "]";
-}
-
-std::string Tas::ButtonsToString(u32 button) const {
-    std::string returns;
-    for (auto [text_button, tas_button] : text_to_tas_button) {
-        if ((button & static_cast<u32>(tas_button)) != 0)
-            returns += fmt::format(", {}", text_button.substr(4));
-    }
-    return returns.empty() ? "" : returns.substr(2);
-}
-
-void Tas::UpdateThread() {
-    if (!Settings::values.tas_enable) {
-        if (is_running) {
-            Stop();
-        }
-        return;
-    }
-
-    if (is_recording) {
-        record_commands.push_back(last_input);
-    }
-    if (needs_reset) {
-        current_command = 0;
-        needs_reset = false;
-        LoadTasFiles();
-        LOG_DEBUG(Input, "tas_reset done");
-    }
-
-    if (!is_running) {
-        tas_data.fill({});
-        return;
-    }
-    if (current_command < script_length) {
-        LOG_DEBUG(Input, "Playing TAS {}/{}", current_command, script_length);
-        size_t frame = current_command++;
-        for (size_t i = 0; i < commands.size(); i++) {
-            if (frame < commands[i].size()) {
-                TASCommand command = commands[i][frame];
-                tas_data[i].buttons = command.buttons;
-                auto [l_axis_x, l_axis_y] = command.l_axis;
-                tas_data[i].axis[0] = l_axis_x;
-                tas_data[i].axis[1] = l_axis_y;
-                auto [r_axis_x, r_axis_y] = command.r_axis;
-                tas_data[i].axis[2] = r_axis_x;
-                tas_data[i].axis[3] = r_axis_y;
-            } else {
-                tas_data[i] = {};
-            }
-        }
-    } else {
-        is_running = Settings::values.tas_loop.GetValue();
-        current_command = 0;
-        tas_data.fill({});
-        if (!is_running) {
-            SwapToStoredController();
-        }
-    }
-    LOG_DEBUG(Input, "TAS inputs: {}", DebugInputs(tas_data));
-}
-
-TasAnalog Tas::ReadCommandAxis(const std::string& line) const {
-    std::stringstream linestream(line);
-    std::string segment;
-    std::vector<std::string> seglist;
-
-    while (std::getline(linestream, segment, ';')) {
-        seglist.push_back(segment);
-    }
-
-    const float x = std::stof(seglist.at(0)) / 32767.0f;
-    const float y = std::stof(seglist.at(1)) / 32767.0f;
-
-    return {x, y};
-}
-
-u32 Tas::ReadCommandButtons(const std::string& data) const {
-    std::stringstream button_text(data);
-    std::string line;
-    u32 buttons = 0;
-    while (std::getline(button_text, line, ';')) {
-        for (auto [text, tas_button] : text_to_tas_button) {
-            if (text == line) {
-                buttons |= static_cast<u32>(tas_button);
-                break;
-            }
-        }
-    }
-    return buttons;
-}
-
-std::string Tas::WriteCommandAxis(TasAnalog data) const {
-    auto [x, y] = data;
-    std::string line;
-    line += std::to_string(static_cast<int>(x * 32767));
-    line += ";";
-    line += std::to_string(static_cast<int>(y * 32767));
-    return line;
-}
-
-std::string Tas::WriteCommandButtons(u32 data) const {
-    if (data == 0) {
-        return "NONE";
-    }
-
-    std::string line;
-    u32 index = 0;
-    while (data > 0) {
-        if ((data & 1) == 1) {
-            for (auto [text, tas_button] : text_to_tas_button) {
-                if (tas_button == static_cast<TasButton>(1 << index)) {
-                    if (line.size() > 0) {
-                        line += ";";
-                    }
-                    line += text;
-                    break;
-                }
-            }
-        }
-        index++;
-        data >>= 1;
-    }
-    return line;
-}
-
-void Tas::StartStop() {
-    if (!Settings::values.tas_enable) {
-        return;
-    }
-    if (is_running) {
-        Stop();
-    } else {
-        is_running = true;
-        SwapToTasController();
-    }
-}
-
-void Tas::Stop() {
-    is_running = false;
-    SwapToStoredController();
-}
-
-void Tas::SwapToTasController() {
-    if (!Settings::values.tas_swap_controllers) {
-        return;
-    }
-    auto& players = Settings::values.players.GetValue();
-    for (std::size_t index = 0; index < players.size(); index++) {
-        auto& player = players[index];
-        player_mappings[index] = player;
-
-        // Only swap active controllers
-        if (!player.connected) {
-            continue;
-        }
-
-        Common::ParamPackage tas_param;
-        tas_param.Set("pad", static_cast<u8>(index));
-        auto button_mapping = GetButtonMappingForDevice(tas_param);
-        auto analog_mapping = GetAnalogMappingForDevice(tas_param);
-        auto& buttons = player.buttons;
-        auto& analogs = player.analogs;
-
-        for (std::size_t i = 0; i < buttons.size(); ++i) {
-            buttons[i] = button_mapping[static_cast<Settings::NativeButton::Values>(i)].Serialize();
-        }
-        for (std::size_t i = 0; i < analogs.size(); ++i) {
-            analogs[i] = analog_mapping[static_cast<Settings::NativeAnalog::Values>(i)].Serialize();
-        }
-    }
-    is_old_input_saved = true;
-    Settings::values.is_device_reload_pending.store(true);
-}
-
-void Tas::SwapToStoredController() {
-    if (!is_old_input_saved) {
-        return;
-    }
-    auto& players = Settings::values.players.GetValue();
-    for (std::size_t index = 0; index < players.size(); index++) {
-        players[index] = player_mappings[index];
-    }
-    is_old_input_saved = false;
-    Settings::values.is_device_reload_pending.store(true);
-}
-
-void Tas::Reset() {
-    if (!Settings::values.tas_enable) {
-        return;
-    }
-    needs_reset = true;
-}
-
-bool Tas::Record() {
-    if (!Settings::values.tas_enable) {
-        return true;
-    }
-    is_recording = !is_recording;
-    return is_recording;
-}
-
-void Tas::SaveRecording(bool overwrite_file) {
-    if (is_recording) {
-        return;
-    }
-    if (record_commands.empty()) {
-        return;
-    }
-    WriteTasFile(u8"record.txt");
-    if (overwrite_file) {
-        WriteTasFile(u8"script0-1.txt");
-    }
-    needs_reset = true;
-    record_commands.clear();
-}
-
-InputCommon::ButtonMapping Tas::GetButtonMappingForDevice(
-    const Common::ParamPackage& params) const {
-    // This list is missing ZL/ZR since those are not considered buttons.
-    // We will add those afterwards
-    // This list also excludes any button that can't be really mapped
-    static constexpr std::array<std::pair<Settings::NativeButton::Values, TasButton>, 20>
-        switch_to_tas_button = {
-            std::pair{Settings::NativeButton::A, TasButton::BUTTON_A},
-            {Settings::NativeButton::B, TasButton::BUTTON_B},
-            {Settings::NativeButton::X, TasButton::BUTTON_X},
-            {Settings::NativeButton::Y, TasButton::BUTTON_Y},
-            {Settings::NativeButton::LStick, TasButton::STICK_L},
-            {Settings::NativeButton::RStick, TasButton::STICK_R},
-            {Settings::NativeButton::L, TasButton::TRIGGER_L},
-            {Settings::NativeButton::R, TasButton::TRIGGER_R},
-            {Settings::NativeButton::Plus, TasButton::BUTTON_PLUS},
-            {Settings::NativeButton::Minus, TasButton::BUTTON_MINUS},
-            {Settings::NativeButton::DLeft, TasButton::BUTTON_LEFT},
-            {Settings::NativeButton::DUp, TasButton::BUTTON_UP},
-            {Settings::NativeButton::DRight, TasButton::BUTTON_RIGHT},
-            {Settings::NativeButton::DDown, TasButton::BUTTON_DOWN},
-            {Settings::NativeButton::SL, TasButton::BUTTON_SL},
-            {Settings::NativeButton::SR, TasButton::BUTTON_SR},
-            {Settings::NativeButton::Screenshot, TasButton::BUTTON_CAPTURE},
-            {Settings::NativeButton::Home, TasButton::BUTTON_HOME},
-            {Settings::NativeButton::ZL, TasButton::TRIGGER_ZL},
-            {Settings::NativeButton::ZR, TasButton::TRIGGER_ZR},
-        };
-
-    InputCommon::ButtonMapping mapping{};
-    for (const auto& [switch_button, tas_button] : switch_to_tas_button) {
-        Common::ParamPackage button_params({{"engine", "tas"}});
-        button_params.Set("pad", params.Get("pad", 0));
-        button_params.Set("button", static_cast<int>(tas_button));
-        mapping.insert_or_assign(switch_button, std::move(button_params));
-    }
-
-    return mapping;
-}
-
-InputCommon::AnalogMapping Tas::GetAnalogMappingForDevice(
-    const Common::ParamPackage& params) const {
-
-    InputCommon::AnalogMapping mapping = {};
-    Common::ParamPackage left_analog_params;
-    left_analog_params.Set("engine", "tas");
-    left_analog_params.Set("pad", params.Get("pad", 0));
-    left_analog_params.Set("axis_x", static_cast<int>(TasAxes::StickX));
-    left_analog_params.Set("axis_y", static_cast<int>(TasAxes::StickY));
-    mapping.insert_or_assign(Settings::NativeAnalog::LStick, std::move(left_analog_params));
-    Common::ParamPackage right_analog_params;
-    right_analog_params.Set("engine", "tas");
-    right_analog_params.Set("pad", params.Get("pad", 0));
-    right_analog_params.Set("axis_x", static_cast<int>(TasAxes::SubstickX));
-    right_analog_params.Set("axis_y", static_cast<int>(TasAxes::SubstickY));
-    mapping.insert_or_assign(Settings::NativeAnalog::RStick, std::move(right_analog_params));
-    return mapping;
-}
-
-const TasData& Tas::GetTasState(std::size_t pad) const {
-    return tas_data[pad];
-}
-} // namespace TasInput

src/input_common/tas/tas_poller.cpp

@@ -1,101 +0,0 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <mutex>
-#include <utility>
-
-#include "common/settings.h"
-#include "common/threadsafe_queue.h"
-#include "input_common/tas/tas_input.h"
-#include "input_common/tas/tas_poller.h"
-
-namespace InputCommon {
-
-class TasButton final : public Input::ButtonDevice {
-public:
-    explicit TasButton(u32 button_, u32 pad_, const TasInput::Tas* tas_input_)
-        : button(button_), pad(pad_), tas_input(tas_input_) {}
-
-    bool GetStatus() const override {
-        return (tas_input->GetTasState(pad).buttons & button) != 0;
-    }
-
-private:
-    const u32 button;
-    const u32 pad;
-    const TasInput::Tas* tas_input;
-};
-
-TasButtonFactory::TasButtonFactory(std::shared_ptr<TasInput::Tas> tas_input_)
-    : tas_input(std::move(tas_input_)) {}
-
-std::unique_ptr<Input::ButtonDevice> TasButtonFactory::Create(const Common::ParamPackage& params) {
-    const auto button_id = params.Get("button", 0);
-    const auto pad = params.Get("pad", 0);
-
-    return std::make_unique<TasButton>(button_id, pad, tas_input.get());
-}
-
-class TasAnalog final : public Input::AnalogDevice {
-public:
-    explicit TasAnalog(u32 pad_, u32 axis_x_, u32 axis_y_, const TasInput::Tas* tas_input_)
-        : pad(pad_), axis_x(axis_x_), axis_y(axis_y_), tas_input(tas_input_) {}
-
-    float GetAxis(u32 axis) const {
-        std::lock_guard lock{mutex};
-        return tas_input->GetTasState(pad).axis.at(axis);
-    }
-
-    std::pair<float, float> GetAnalog(u32 analog_axis_x, u32 analog_axis_y) const {
-        float x = GetAxis(analog_axis_x);
-        float y = GetAxis(analog_axis_y);
-
-        // Make sure the coordinates are in the unit circle,
-        // otherwise normalize it.
-        float r = x * x + y * y;
-        if (r > 1.0f) {
-            r = std::sqrt(r);
-            x /= r;
-            y /= r;
-        }
-
-        return {x, y};
-    }
-
-    std::tuple<float, float> GetStatus() const override {
-        return GetAnalog(axis_x, axis_y);
-    }
-
-    Input::AnalogProperties GetAnalogProperties() const override {
-        return {0.0f, 1.0f, 0.5f};
-    }
-
-private:
-    const u32 pad;
-    const u32 axis_x;
-    const u32 axis_y;
-    const TasInput::Tas* tas_input;
-    mutable std::mutex mutex;
-};
-
-/// An analog device factory that creates analog devices from GC Adapter
-TasAnalogFactory::TasAnalogFactory(std::shared_ptr<TasInput::Tas> tas_input_)
-    : tas_input(std::move(tas_input_)) {}
-
-/**
- * Creates analog device from joystick axes
- * @param params contains parameters for creating the device:
- *     - "port": the nth gcpad on the adapter
- *     - "axis_x": the index of the axis to be bind as x-axis
- *     - "axis_y": the index of the axis to be bind as y-axis
- */
-std::unique_ptr<Input::AnalogDevice> TasAnalogFactory::Create(const Common::ParamPackage& params) {
-    const auto pad = static_cast<u32>(params.Get("pad", 0));
-    const auto axis_x = static_cast<u32>(params.Get("axis_x", 0));
-    const auto axis_y = static_cast<u32>(params.Get("axis_y", 1));
-
-    return std::make_unique<TasAnalog>(pad, axis_x, axis_y, tas_input.get());
-}
-
-} // namespace InputCommon

src/input_common/tas/tas_poller.h

@@ -1,43 +0,0 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <memory>
-#include "core/frontend/input.h"
-#include "input_common/tas/tas_input.h"
-
-namespace InputCommon {
-
-/**
- * A button device factory representing a tas bot. It receives tas events and forward them
- * to all button devices it created.
- */
-class TasButtonFactory final : public Input::Factory<Input::ButtonDevice> {
-public:
-    explicit TasButtonFactory(std::shared_ptr<TasInput::Tas> tas_input_);
-
-    /**
-     * Creates a button device from a button press
-     * @param params contains parameters for creating the device:
-     *     - "code": the code of the key to bind with the button
-     */
-    std::unique_ptr<Input::ButtonDevice> Create(const Common::ParamPackage& params) override;
-
-private:
-    std::shared_ptr<TasInput::Tas> tas_input;
-};
-
-/// An analog device factory that creates analog devices from tas
-class TasAnalogFactory final : public Input::Factory<Input::AnalogDevice> {
-public:
-    explicit TasAnalogFactory(std::shared_ptr<TasInput::Tas> tas_input_);
-
-    std::unique_ptr<Input::AnalogDevice> Create(const Common::ParamPackage& params) override;
-
-private:
-    std::shared_ptr<TasInput::Tas> tas_input;
-};
-
-} // namespace InputCommon