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-rw-r--r--src/core/hid/emulated_console.cpp229
-rw-r--r--src/core/hid/emulated_console.h188
-rw-r--r--src/core/hid/emulated_controller.cpp1061
-rw-r--r--src/core/hid/emulated_controller.h392
-rw-r--r--src/core/hid/emulated_devices.cpp451
-rw-r--r--src/core/hid/emulated_devices.h209
-rw-r--r--src/core/hid/hid_core.cpp168
-rw-r--r--src/core/hid/hid_core.h73
-rw-r--r--src/core/hid/hid_types.h631
-rw-r--r--src/core/hid/input_converter.cpp383
-rw-r--r--src/core/hid/input_converter.h95
-rw-r--r--src/core/hid/input_interpreter.cpp61
-rw-r--r--src/core/hid/input_interpreter.h112
-rw-r--r--src/core/hid/motion_input.cpp280
-rw-r--r--src/core/hid/motion_input.h87
15 files changed, 4420 insertions, 0 deletions
diff --git a/src/core/hid/emulated_console.cpp b/src/core/hid/emulated_console.cpp
new file mode 100644
index 000000000..80db8e9c6
--- /dev/null
+++ b/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
diff --git a/src/core/hid/emulated_console.h b/src/core/hid/emulated_console.h
new file mode 100644
index 000000000..25c183eee
--- /dev/null
+++ b/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
diff --git a/src/core/hid/emulated_controller.cpp b/src/core/hid/emulated_controller.cpp
new file mode 100644
index 000000000..06ae41c3e
--- /dev/null
+++ b/src/core/hid/emulated_controller.cpp
@@ -0,0 +1,1061 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#include "core/hid/emulated_controller.h"
+#include "core/hid/input_converter.h"
+
+namespace Core::HID {
+constexpr s32 HID_JOYSTICK_MAX = 0x7fff;
+constexpr s32 HID_TRIGGER_MAX = 0x7fff;
+
+EmulatedController::EmulatedController(NpadIdType npad_id_type_) : npad_id_type(npad_id_type_) {}
+
+EmulatedController::~EmulatedController() = default;
+
+NpadStyleIndex EmulatedController::MapSettingsTypeToNPad(Settings::ControllerType type) {
+ switch (type) {
+ case Settings::ControllerType::ProController:
+ return NpadStyleIndex::ProController;
+ case Settings::ControllerType::DualJoyconDetached:
+ return NpadStyleIndex::JoyconDual;
+ case Settings::ControllerType::LeftJoycon:
+ return NpadStyleIndex::JoyconLeft;
+ case Settings::ControllerType::RightJoycon:
+ return NpadStyleIndex::JoyconRight;
+ case Settings::ControllerType::Handheld:
+ return NpadStyleIndex::Handheld;
+ case Settings::ControllerType::GameCube:
+ return NpadStyleIndex::GameCube;
+ default:
+ return NpadStyleIndex::ProController;
+ }
+}
+
+Settings::ControllerType EmulatedController::MapNPadToSettingsType(NpadStyleIndex type) {
+ switch (type) {
+ case NpadStyleIndex::ProController:
+ return Settings::ControllerType::ProController;
+ case NpadStyleIndex::JoyconDual:
+ return Settings::ControllerType::DualJoyconDetached;
+ case NpadStyleIndex::JoyconLeft:
+ return Settings::ControllerType::LeftJoycon;
+ case NpadStyleIndex::JoyconRight:
+ return Settings::ControllerType::RightJoycon;
+ case NpadStyleIndex::Handheld:
+ return Settings::ControllerType::Handheld;
+ case NpadStyleIndex::GameCube:
+ return Settings::ControllerType::GameCube;
+ default:
+ return Settings::ControllerType::ProController;
+ }
+}
+
+void EmulatedController::ReloadFromSettings() {
+ const auto player_index = NpadIdTypeToIndex(npad_id_type);
+ const auto& player = Settings::values.players.GetValue()[player_index];
+
+ for (std::size_t index = 0; index < player.buttons.size(); ++index) {
+ button_params[index] = Common::ParamPackage(player.buttons[index]);
+ }
+ for (std::size_t index = 0; index < player.analogs.size(); ++index) {
+ stick_params[index] = Common::ParamPackage(player.analogs[index]);
+ }
+ for (std::size_t index = 0; index < player.motions.size(); ++index) {
+ motion_params[index] = Common::ParamPackage(player.motions[index]);
+ }
+
+ controller.colors_state.left = {
+ .body = player.body_color_left,
+ .button = player.button_color_left,
+ };
+
+ controller.colors_state.right = {
+ .body = player.body_color_right,
+ .button = player.button_color_right,
+ };
+
+ controller.colors_state.fullkey = controller.colors_state.left;
+
+ // Other or debug controller should always be a pro controller
+ if (npad_id_type != NpadIdType::Other) {
+ SetNpadStyleIndex(MapSettingsTypeToNPad(player.controller_type));
+ } else {
+ SetNpadStyleIndex(NpadStyleIndex::ProController);
+ }
+
+ if (player.connected) {
+ Connect();
+ } else {
+ Disconnect();
+ }
+
+ ReloadInput();
+}
+
+void EmulatedController::LoadDevices() {
+ // TODO(german77): Use more buttons to detect the correct device
+ const auto left_joycon = button_params[Settings::NativeButton::DRight];
+ const auto right_joycon = button_params[Settings::NativeButton::A];
+
+ // Triggers for GC controllers
+ trigger_params[LeftIndex] = button_params[Settings::NativeButton::ZL];
+ trigger_params[RightIndex] = button_params[Settings::NativeButton::ZR];
+
+ battery_params[LeftIndex] = left_joycon;
+ battery_params[RightIndex] = right_joycon;
+ battery_params[LeftIndex].Set("battery", true);
+ battery_params[RightIndex].Set("battery", true);
+
+ output_params[LeftIndex] = left_joycon;
+ output_params[RightIndex] = right_joycon;
+ output_params[LeftIndex].Set("output", true);
+ output_params[RightIndex].Set("output", true);
+
+ LoadTASParams();
+
+ std::transform(button_params.begin() + Settings::NativeButton::BUTTON_HID_BEGIN,
+ button_params.begin() + Settings::NativeButton::BUTTON_NS_END,
+ button_devices.begin(), Common::Input::CreateDevice<Common::Input::InputDevice>);
+ std::transform(stick_params.begin() + Settings::NativeAnalog::STICK_HID_BEGIN,
+ stick_params.begin() + Settings::NativeAnalog::STICK_HID_END,
+ stick_devices.begin(), Common::Input::CreateDevice<Common::Input::InputDevice>);
+ std::transform(motion_params.begin() + Settings::NativeMotion::MOTION_HID_BEGIN,
+ motion_params.begin() + Settings::NativeMotion::MOTION_HID_END,
+ motion_devices.begin(), Common::Input::CreateDevice<Common::Input::InputDevice>);
+ std::transform(trigger_params.begin(), trigger_params.end(), trigger_devices.begin(),
+ Common::Input::CreateDevice<Common::Input::InputDevice>);
+ std::transform(battery_params.begin(), battery_params.begin(), battery_devices.end(),
+ Common::Input::CreateDevice<Common::Input::InputDevice>);
+ std::transform(output_params.begin(), output_params.end(), output_devices.begin(),
+ Common::Input::CreateDevice<Common::Input::OutputDevice>);
+
+ // Initialize TAS devices
+ std::transform(tas_button_params.begin(), tas_button_params.end(), tas_button_devices.begin(),
+ Common::Input::CreateDevice<Common::Input::InputDevice>);
+ std::transform(tas_stick_params.begin(), tas_stick_params.end(), tas_stick_devices.begin(),
+ Common::Input::CreateDevice<Common::Input::InputDevice>);
+}
+
+void EmulatedController::LoadTASParams() {
+ const auto player_index = NpadIdTypeToIndex(npad_id_type);
+ Common::ParamPackage common_params{};
+ common_params.Set("engine", "tas");
+ common_params.Set("port", static_cast<int>(player_index));
+ for (auto& param : tas_button_params) {
+ param = common_params;
+ }
+ for (auto& param : tas_stick_params) {
+ param = common_params;
+ }
+
+ // TODO(german77): Replace this with an input profile or something better
+ tas_button_params[Settings::NativeButton::A].Set("button", 0);
+ tas_button_params[Settings::NativeButton::B].Set("button", 1);
+ tas_button_params[Settings::NativeButton::X].Set("button", 2);
+ tas_button_params[Settings::NativeButton::Y].Set("button", 3);
+ tas_button_params[Settings::NativeButton::LStick].Set("button", 4);
+ tas_button_params[Settings::NativeButton::RStick].Set("button", 5);
+ tas_button_params[Settings::NativeButton::L].Set("button", 6);
+ tas_button_params[Settings::NativeButton::R].Set("button", 7);
+ tas_button_params[Settings::NativeButton::ZL].Set("button", 8);
+ tas_button_params[Settings::NativeButton::ZR].Set("button", 9);
+ tas_button_params[Settings::NativeButton::Plus].Set("button", 10);
+ tas_button_params[Settings::NativeButton::Minus].Set("button", 11);
+ tas_button_params[Settings::NativeButton::DLeft].Set("button", 12);
+ tas_button_params[Settings::NativeButton::DUp].Set("button", 13);
+ tas_button_params[Settings::NativeButton::DRight].Set("button", 14);
+ tas_button_params[Settings::NativeButton::DDown].Set("button", 15);
+ tas_button_params[Settings::NativeButton::SL].Set("button", 16);
+ tas_button_params[Settings::NativeButton::SR].Set("button", 17);
+ tas_button_params[Settings::NativeButton::Home].Set("button", 18);
+ tas_button_params[Settings::NativeButton::Screenshot].Set("button", 19);
+
+ tas_stick_params[Settings::NativeAnalog::LStick].Set("axis_x", 0);
+ tas_stick_params[Settings::NativeAnalog::LStick].Set("axis_y", 1);
+ tas_stick_params[Settings::NativeAnalog::RStick].Set("axis_x", 2);
+ tas_stick_params[Settings::NativeAnalog::RStick].Set("axis_y", 3);
+}
+
+void EmulatedController::ReloadInput() {
+ // If you load any device here add the equivalent to the UnloadInput() function
+ LoadDevices();
+ for (std::size_t index = 0; index < button_devices.size(); ++index) {
+ if (!button_devices[index]) {
+ continue;
+ }
+ const auto uuid = Common::UUID{button_params[index].Get("guid", "")};
+ Common::Input::InputCallback button_callback{
+ [this, index, uuid](Common::Input::CallbackStatus callback) {
+ SetButton(callback, index, uuid);
+ }};
+ button_devices[index]->SetCallback(button_callback);
+ button_devices[index]->ForceUpdate();
+ }
+
+ for (std::size_t index = 0; index < stick_devices.size(); ++index) {
+ if (!stick_devices[index]) {
+ continue;
+ }
+ const auto uuid = Common::UUID{stick_params[index].Get("guid", "")};
+ Common::Input::InputCallback stick_callback{
+ [this, index, uuid](Common::Input::CallbackStatus callback) {
+ SetStick(callback, index, uuid);
+ }};
+ stick_devices[index]->SetCallback(stick_callback);
+ stick_devices[index]->ForceUpdate();
+ }
+
+ for (std::size_t index = 0; index < trigger_devices.size(); ++index) {
+ if (!trigger_devices[index]) {
+ continue;
+ }
+ const auto uuid = Common::UUID{trigger_params[index].Get("guid", "")};
+ Common::Input::InputCallback trigger_callback{
+ [this, index, uuid](Common::Input::CallbackStatus callback) {
+ SetTrigger(callback, index, uuid);
+ }};
+ trigger_devices[index]->SetCallback(trigger_callback);
+ trigger_devices[index]->ForceUpdate();
+ }
+
+ for (std::size_t index = 0; index < battery_devices.size(); ++index) {
+ if (!battery_devices[index]) {
+ continue;
+ }
+ Common::Input::InputCallback battery_callback{
+ [this, index](Common::Input::CallbackStatus callback) { SetBattery(callback, index); }};
+ battery_devices[index]->SetCallback(battery_callback);
+ battery_devices[index]->ForceUpdate();
+ }
+
+ for (std::size_t index = 0; index < motion_devices.size(); ++index) {
+ if (!motion_devices[index]) {
+ continue;
+ }
+ Common::Input::InputCallback motion_callback{
+ [this, index](Common::Input::CallbackStatus callback) { SetMotion(callback, index); }};
+ motion_devices[index]->SetCallback(motion_callback);
+ motion_devices[index]->ForceUpdate();
+ }
+
+ // Use a common UUID for TAS
+ const auto tas_uuid = Common::UUID{0x0, 0x7A5};
+
+ // Register TAS devices. No need to force update
+ for (std::size_t index = 0; index < tas_button_devices.size(); ++index) {
+ if (!tas_button_devices[index]) {
+ continue;
+ }
+ Common::Input::InputCallback button_callback{
+ [this, index, tas_uuid](Common::Input::CallbackStatus callback) {
+ SetButton(callback, index, tas_uuid);
+ }};
+ tas_button_devices[index]->SetCallback(button_callback);
+ }
+
+ for (std::size_t index = 0; index < tas_stick_devices.size(); ++index) {
+ if (!tas_stick_devices[index]) {
+ continue;
+ }
+ Common::Input::InputCallback stick_callback{
+ [this, index, tas_uuid](Common::Input::CallbackStatus callback) {
+ SetStick(callback, index, tas_uuid);
+ }};
+ tas_stick_devices[index]->SetCallback(stick_callback);
+ }
+}
+
+void EmulatedController::UnloadInput() {
+ for (auto& button : button_devices) {
+ button.reset();
+ }
+ for (auto& stick : stick_devices) {
+ stick.reset();
+ }
+ for (auto& motion : motion_devices) {
+ motion.reset();
+ }
+ for (auto& trigger : trigger_devices) {
+ trigger.reset();
+ }
+ for (auto& battery : battery_devices) {
+ battery.reset();
+ }
+ for (auto& output : output_devices) {
+ output.reset();
+ }
+ for (auto& button : tas_button_devices) {
+ button.reset();
+ }
+ for (auto& stick : tas_stick_devices) {
+ stick.reset();
+ }
+}
+
+void EmulatedController::EnableConfiguration() {
+ is_configuring = true;
+ tmp_is_connected = is_connected;
+ tmp_npad_type = npad_type;
+}
+
+void EmulatedController::DisableConfiguration() {
+ is_configuring = false;
+
+ // Apply temporary npad type to the real controller
+ if (tmp_npad_type != npad_type) {
+ if (is_connected) {
+ Disconnect();
+ }
+ SetNpadStyleIndex(tmp_npad_type);
+ }
+
+ // Apply temporary connected status to the real controller
+ if (tmp_is_connected != is_connected) {
+ if (tmp_is_connected) {
+ Connect();
+ return;
+ }
+ Disconnect();
+ }
+}
+
+bool EmulatedController::IsConfiguring() const {
+ return is_configuring;
+}
+
+void EmulatedController::SaveCurrentConfig() {
+ const auto player_index = NpadIdTypeToIndex(npad_id_type);
+ auto& player = Settings::values.players.GetValue()[player_index];
+ player.connected = is_connected;
+ player.controller_type = MapNPadToSettingsType(npad_type);
+ for (std::size_t index = 0; index < player.buttons.size(); ++index) {
+ player.buttons[index] = button_params[index].Serialize();
+ }
+ for (std::size_t index = 0; index < player.analogs.size(); ++index) {
+ player.analogs[index] = stick_params[index].Serialize();
+ }
+ for (std::size_t index = 0; index < player.motions.size(); ++index) {
+ player.motions[index] = motion_params[index].Serialize();
+ }
+}
+
+void EmulatedController::RestoreConfig() {
+ if (!is_configuring) {
+ return;
+ }
+ ReloadFromSettings();
+}
+
+std::vector<Common::ParamPackage> EmulatedController::GetMappedDevices(
+ EmulatedDeviceIndex device_index) const {
+ std::vector<Common::ParamPackage> devices;
+ for (const auto& param : button_params) {
+ if (!param.Has("engine")) {
+ continue;
+ }
+ const auto devices_it = std::find_if(
+ devices.begin(), devices.end(), [param](const Common::ParamPackage param_) {
+ return param.Get("engine", "") == param_.Get("engine", "") &&
+ param.Get("guid", "") == param_.Get("guid", "") &&
+ param.Get("port", 0) == param_.Get("port", 0);
+ });
+ if (devices_it != devices.end()) {
+ continue;
+ }
+ Common::ParamPackage device{};
+ device.Set("engine", param.Get("engine", ""));
+ device.Set("guid", param.Get("guid", ""));
+ device.Set("port", param.Get("port", 0));
+ devices.push_back(device);
+ }
+
+ for (const auto& param : stick_params) {
+ if (!param.Has("engine")) {
+ continue;
+ }
+ if (param.Get("engine", "") == "analog_from_button") {
+ continue;
+ }
+ const auto devices_it = std::find_if(
+ devices.begin(), devices.end(), [param](const Common::ParamPackage param_) {
+ return param.Get("engine", "") == param_.Get("engine", "") &&
+ param.Get("guid", "") == param_.Get("guid", "") &&
+ param.Get("port", 0) == param_.Get("port", 0);
+ });
+ if (devices_it != devices.end()) {
+ continue;
+ }
+ Common::ParamPackage device{};
+ device.Set("engine", param.Get("engine", ""));
+ device.Set("guid", param.Get("guid", ""));
+ device.Set("port", param.Get("port", 0));
+ devices.push_back(device);
+ }
+ return devices;
+}
+
+Common::ParamPackage EmulatedController::GetButtonParam(std::size_t index) const {
+ if (index >= button_params.size()) {
+ return {};
+ }
+ return button_params[index];
+}
+
+Common::ParamPackage EmulatedController::GetStickParam(std::size_t index) const {
+ if (index >= stick_params.size()) {
+ return {};
+ }
+ return stick_params[index];
+}
+
+Common::ParamPackage EmulatedController::GetMotionParam(std::size_t index) const {
+ if (index >= motion_params.size()) {
+ return {};
+ }
+ return motion_params[index];
+}
+
+void EmulatedController::SetButtonParam(std::size_t index, Common::ParamPackage param) {
+ if (index >= button_params.size()) {
+ return;
+ }
+ button_params[index] = param;
+ ReloadInput();
+}
+
+void EmulatedController::SetStickParam(std::size_t index, Common::ParamPackage param) {
+ if (index >= stick_params.size()) {
+ return;
+ }
+ stick_params[index] = param;
+ ReloadInput();
+}
+
+void EmulatedController::SetMotionParam(std::size_t index, Common::ParamPackage param) {
+ if (index >= motion_params.size()) {
+ return;
+ }
+ motion_params[index] = param;
+ ReloadInput();
+}
+
+void EmulatedController::SetButton(Common::Input::CallbackStatus callback, std::size_t index,
+ Common::UUID uuid) {
+ if (index >= controller.button_values.size()) {
+ return;
+ }
+ {
+ std::lock_guard lock{mutex};
+ bool value_changed = false;
+ const auto new_status = TransformToButton(callback);
+ auto& current_status = controller.button_values[index];
+
+ // Only read button values that have the same uuid or are pressed once
+ if (current_status.uuid != uuid) {
+ if (!new_status.value) {
+ return;
+ }
+ }
+
+ current_status.toggle = new_status.toggle;
+ current_status.uuid = uuid;
+
+ // 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) {
+ controller.npad_button_state.raw = NpadButton::None;
+ controller.debug_pad_button_state.raw = 0;
+ TriggerOnChange(ControllerTriggerType::Button, false);
+ return;
+ }
+
+ switch (index) {
+ case Settings::NativeButton::A:
+ controller.npad_button_state.a.Assign(current_status.value);
+ controller.debug_pad_button_state.a.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::B:
+ controller.npad_button_state.b.Assign(current_status.value);
+ controller.debug_pad_button_state.b.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::X:
+ controller.npad_button_state.x.Assign(current_status.value);
+ controller.debug_pad_button_state.x.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::Y:
+ controller.npad_button_state.y.Assign(current_status.value);
+ controller.debug_pad_button_state.y.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::LStick:
+ controller.npad_button_state.stick_l.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::RStick:
+ controller.npad_button_state.stick_r.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::L:
+ controller.npad_button_state.l.Assign(current_status.value);
+ controller.debug_pad_button_state.l.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::R:
+ controller.npad_button_state.r.Assign(current_status.value);
+ controller.debug_pad_button_state.r.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::ZL:
+ controller.npad_button_state.zl.Assign(current_status.value);
+ controller.debug_pad_button_state.zl.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::ZR:
+ controller.npad_button_state.zr.Assign(current_status.value);
+ controller.debug_pad_button_state.zr.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::Plus:
+ controller.npad_button_state.plus.Assign(current_status.value);
+ controller.debug_pad_button_state.plus.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::Minus:
+ controller.npad_button_state.minus.Assign(current_status.value);
+ controller.debug_pad_button_state.minus.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::DLeft:
+ controller.npad_button_state.left.Assign(current_status.value);
+ controller.debug_pad_button_state.d_left.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::DUp:
+ controller.npad_button_state.up.Assign(current_status.value);
+ controller.debug_pad_button_state.d_up.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::DRight:
+ controller.npad_button_state.right.Assign(current_status.value);
+ controller.debug_pad_button_state.d_right.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::DDown:
+ controller.npad_button_state.down.Assign(current_status.value);
+ controller.debug_pad_button_state.d_down.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::SL:
+ controller.npad_button_state.left_sl.Assign(current_status.value);
+ controller.npad_button_state.right_sl.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::SR:
+ controller.npad_button_state.left_sr.Assign(current_status.value);
+ controller.npad_button_state.right_sr.Assign(current_status.value);
+ break;
+ case Settings::NativeButton::Home:
+ case Settings::NativeButton::Screenshot:
+ break;
+ }
+ }
+ if (!is_connected) {
+ if (npad_id_type == NpadIdType::Player1 && npad_type != NpadStyleIndex::Handheld) {
+ Connect();
+ }
+ if (npad_id_type == NpadIdType::Handheld && npad_type == NpadStyleIndex::Handheld) {
+ Connect();
+ }
+ }
+ TriggerOnChange(ControllerTriggerType::Button, true);
+}
+
+void EmulatedController::SetStick(Common::Input::CallbackStatus callback, std::size_t index,
+ Common::UUID uuid) {
+ if (index >= controller.stick_values.size()) {
+ return;
+ }
+ std::lock_guard lock{mutex};
+ const auto stick_value = TransformToStick(callback);
+
+ // Only read stick values that have the same uuid or are over the threshold to avoid flapping
+ if (controller.stick_values[index].uuid != uuid) {
+ if (!stick_value.down && !stick_value.up && !stick_value.left && !stick_value.right) {
+ return;
+ }
+ }
+
+ controller.stick_values[index] = stick_value;
+ controller.stick_values[index].uuid = uuid;
+
+ if (is_configuring) {
+ controller.analog_stick_state.left = {};
+ controller.analog_stick_state.right = {};
+ TriggerOnChange(ControllerTriggerType::Stick, false);
+ return;
+ }
+
+ const AnalogStickState stick{
+ .x = static_cast<s32>(controller.stick_values[index].x.value * HID_JOYSTICK_MAX),
+ .y = static_cast<s32>(controller.stick_values[index].y.value * HID_JOYSTICK_MAX),
+ };
+
+ switch (index) {
+ case Settings::NativeAnalog::LStick:
+ controller.analog_stick_state.left = stick;
+ controller.npad_button_state.stick_l_left.Assign(controller.stick_values[index].left);
+ controller.npad_button_state.stick_l_up.Assign(controller.stick_values[index].up);
+ controller.npad_button_state.stick_l_right.Assign(controller.stick_values[index].right);
+ controller.npad_button_state.stick_l_down.Assign(controller.stick_values[index].down);
+ break;
+ case Settings::NativeAnalog::RStick:
+ controller.analog_stick_state.right = stick;
+ controller.npad_button_state.stick_r_left.Assign(controller.stick_values[index].left);
+ controller.npad_button_state.stick_r_up.Assign(controller.stick_values[index].up);
+ controller.npad_button_state.stick_r_right.Assign(controller.stick_values[index].right);
+ controller.npad_button_state.stick_r_down.Assign(controller.stick_values[index].down);
+ break;
+ }
+
+ TriggerOnChange(ControllerTriggerType::Stick, true);
+}
+
+void EmulatedController::SetTrigger(Common::Input::CallbackStatus callback, std::size_t index,
+ Common::UUID uuid) {
+ if (index >= controller.trigger_values.size()) {
+ return;
+ }
+ std::lock_guard lock{mutex};
+ const auto trigger_value = TransformToTrigger(callback);
+
+ // Only read trigger values that have the same uuid or are pressed once
+ if (controller.stick_values[index].uuid != uuid) {
+ if (!trigger_value.pressed.value) {
+ return;
+ }
+ }
+
+ controller.trigger_values[index] = trigger_value;
+ controller.trigger_values[index].uuid = uuid;
+
+ if (is_configuring) {
+ controller.gc_trigger_state.left = 0;
+ controller.gc_trigger_state.right = 0;
+ TriggerOnChange(ControllerTriggerType::Trigger, false);
+ return;
+ }
+
+ const auto trigger = controller.trigger_values[index];
+
+ switch (index) {
+ case Settings::NativeTrigger::LTrigger:
+ controller.gc_trigger_state.left = static_cast<s32>(trigger.analog.value * HID_TRIGGER_MAX);
+ controller.npad_button_state.zl.Assign(trigger.pressed.value);
+ break;
+ case Settings::NativeTrigger::RTrigger:
+ controller.gc_trigger_state.right =
+ static_cast<s32>(trigger.analog.value * HID_TRIGGER_MAX);
+ controller.npad_button_state.zr.Assign(trigger.pressed.value);
+ break;
+ }
+
+ TriggerOnChange(ControllerTriggerType::Trigger, true);
+}
+
+void EmulatedController::SetMotion(Common::Input::CallbackStatus callback, std::size_t index) {
+ if (index >= controller.motion_values.size()) {
+ return;
+ }
+ std::lock_guard lock{mutex};
+ auto& raw_status = controller.motion_values[index].raw_status;
+ auto& emulated = controller.motion_values[index].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);
+ force_update_motion = raw_status.force_update;
+
+ if (is_configuring) {
+ TriggerOnChange(ControllerTriggerType::Motion, false);
+ return;
+ }
+
+ auto& motion = controller.motion_state[index];
+ motion.accel = emulated.GetAcceleration();
+ motion.gyro = emulated.GetGyroscope();
+ motion.rotation = emulated.GetRotations();
+ motion.orientation = emulated.GetOrientation();
+ motion.is_at_rest = !emulated.IsMoving(motion_sensitivity);
+
+ TriggerOnChange(ControllerTriggerType::Motion, true);
+}
+
+void EmulatedController::SetBattery(Common::Input::CallbackStatus callback, std::size_t index) {
+ if (index >= controller.battery_values.size()) {
+ return;
+ }
+ std::lock_guard lock{mutex};
+ controller.battery_values[index] = TransformToBattery(callback);
+
+ if (is_configuring) {
+ TriggerOnChange(ControllerTriggerType::Battery, false);
+ return;
+ }
+
+ bool is_charging = false;
+ bool is_powered = false;
+ NpadBatteryLevel battery_level = 0;
+ switch (controller.battery_values[index]) {
+ case Common::Input::BatteryLevel::Charging:
+ is_charging = true;
+ is_powered = true;
+ battery_level = 6;
+ break;
+ case Common::Input::BatteryLevel::Medium:
+ battery_level = 6;
+ break;
+ case Common::Input::BatteryLevel::Low:
+ battery_level = 4;
+ break;
+ case Common::Input::BatteryLevel::Critical:
+ battery_level = 2;
+ break;
+ case Common::Input::BatteryLevel::Empty:
+ battery_level = 0;
+ break;
+ case Common::Input::BatteryLevel::None:
+ case Common::Input::BatteryLevel::Full:
+ default:
+ is_powered = true;
+ battery_level = 8;
+ break;
+ }
+
+ switch (index) {
+ case LeftIndex:
+ controller.battery_state.left = {
+ .is_powered = is_powered,
+ .is_charging = is_charging,
+ .battery_level = battery_level,
+ };
+ break;
+ case RightIndex:
+ controller.battery_state.right = {
+ .is_powered = is_powered,
+ .is_charging = is_charging,
+ .battery_level = battery_level,
+ };
+ break;
+ case DualIndex:
+ controller.battery_state.dual = {
+ .is_powered = is_powered,
+ .is_charging = is_charging,
+ .battery_level = battery_level,
+ };
+ break;
+ }
+ TriggerOnChange(ControllerTriggerType::Battery, true);
+}
+
+bool EmulatedController::SetVibration(std::size_t device_index, VibrationValue vibration) {
+ if (device_index >= output_devices.size()) {
+ return false;
+ }
+ if (!output_devices[device_index]) {
+ return false;
+ }
+ const auto player_index = NpadIdTypeToIndex(npad_id_type);
+ const auto& player = Settings::values.players.GetValue()[player_index];
+ const f32 strength = static_cast<f32>(player.vibration_strength) / 100.0f;
+
+ if (!player.vibration_enabled) {
+ return false;
+ }
+
+ // Exponential amplification is too strong at low amplitudes. Switch to a linear
+ // amplification if strength is set below 0.7f
+ const Common::Input::VibrationAmplificationType type =
+ strength > 0.7f ? Common::Input::VibrationAmplificationType::Exponential
+ : Common::Input::VibrationAmplificationType::Linear;
+
+ const Common::Input::VibrationStatus status = {
+ .low_amplitude = std::min(vibration.low_amplitude * strength, 1.0f),
+ .low_frequency = vibration.low_frequency,
+ .high_amplitude = std::min(vibration.high_amplitude * strength, 1.0f),
+ .high_frequency = vibration.high_frequency,
+ .type = type,
+ };
+ return output_devices[device_index]->SetVibration(status) ==
+ Common::Input::VibrationError::None;
+}
+
+bool EmulatedController::TestVibration(std::size_t device_index) {
+ if (device_index >= output_devices.size()) {
+ return false;
+ }
+ if (!output_devices[device_index]) {
+ return false;
+ }
+
+ // Send a slight vibration to test for rumble support
+ constexpr Common::Input::VibrationStatus status = {
+ .low_amplitude = 0.001f,
+ .low_frequency = 160.0f,
+ .high_amplitude = 0.001f,
+ .high_frequency = 320.0f,
+ .type = Common::Input::VibrationAmplificationType::Linear,
+ };
+ return output_devices[device_index]->SetVibration(status) ==
+ Common::Input::VibrationError::None;
+}
+
+void EmulatedController::SetLedPattern() {
+ for (auto& device : output_devices) {
+ if (!device) {
+ continue;
+ }
+
+ const LedPattern pattern = GetLedPattern();
+ const Common::Input::LedStatus status = {
+ .led_1 = pattern.position1 != 0,
+ .led_2 = pattern.position2 != 0,
+ .led_3 = pattern.position3 != 0,
+ .led_4 = pattern.position4 != 0,
+ };
+ device->SetLED(status);
+ }
+}
+
+void EmulatedController::Connect() {
+ {
+ std::lock_guard lock{mutex};
+ if (is_configuring) {
+ tmp_is_connected = true;
+ TriggerOnChange(ControllerTriggerType::Connected, false);
+ return;
+ }
+
+ if (is_connected) {
+ return;
+ }
+ is_connected = true;
+ }
+ TriggerOnChange(ControllerTriggerType::Connected, true);
+}
+
+void EmulatedController::Disconnect() {
+ {
+ std::lock_guard lock{mutex};
+ if (is_configuring) {
+ tmp_is_connected = false;
+ TriggerOnChange(ControllerTriggerType::Disconnected, false);
+ return;
+ }
+
+ if (!is_connected) {
+ return;
+ }
+ is_connected = false;
+ }
+ TriggerOnChange(ControllerTriggerType::Disconnected, true);
+}
+
+bool EmulatedController::IsConnected(bool get_temporary_value) const {
+ if (get_temporary_value && is_configuring) {
+ return tmp_is_connected;
+ }
+ return is_connected;
+}
+
+bool EmulatedController::IsVibrationEnabled() const {
+ const auto player_index = NpadIdTypeToIndex(npad_id_type);
+ const auto& player = Settings::values.players.GetValue()[player_index];
+ return player.vibration_enabled;
+}
+
+NpadIdType EmulatedController::GetNpadIdType() const {
+ return npad_id_type;
+}
+
+NpadStyleIndex EmulatedController::GetNpadStyleIndex(bool get_temporary_value) const {
+ if (get_temporary_value && is_configuring) {
+ return tmp_npad_type;
+ }
+ return npad_type;
+}
+
+void EmulatedController::SetNpadStyleIndex(NpadStyleIndex npad_type_) {
+ {
+ std::lock_guard lock{mutex};
+
+ if (is_configuring) {
+ if (tmp_npad_type == npad_type_) {
+ return;
+ }
+ tmp_npad_type = npad_type_;
+ TriggerOnChange(ControllerTriggerType::Type, false);
+ return;
+ }
+
+ if (npad_type == npad_type_) {
+ return;
+ }
+ if (is_connected) {
+ LOG_WARNING(Service_HID, "Controller {} type changed while it's connected",
+ NpadIdTypeToIndex(npad_id_type));
+ }
+ npad_type = npad_type_;
+ }
+ TriggerOnChange(ControllerTriggerType::Type, true);
+}
+
+LedPattern EmulatedController::GetLedPattern() const {
+ switch (npad_id_type) {
+ case NpadIdType::Player1:
+ return LedPattern{1, 0, 0, 0};
+ case NpadIdType::Player2:
+ return LedPattern{1, 1, 0, 0};
+ case NpadIdType::Player3:
+ return LedPattern{1, 1, 1, 0};
+ case NpadIdType::Player4:
+ return LedPattern{1, 1, 1, 1};
+ case NpadIdType::Player5:
+ return LedPattern{1, 0, 0, 1};
+ case NpadIdType::Player6:
+ return LedPattern{1, 0, 1, 0};
+ case NpadIdType::Player7:
+ return LedPattern{1, 0, 1, 1};
+ case NpadIdType::Player8:
+ return LedPattern{0, 1, 1, 0};
+ default:
+ return LedPattern{0, 0, 0, 0};
+ }
+}
+
+ButtonValues EmulatedController::GetButtonsValues() const {
+ return controller.button_values;
+}
+
+SticksValues EmulatedController::GetSticksValues() const {
+ return controller.stick_values;
+}
+
+TriggerValues EmulatedController::GetTriggersValues() const {
+ return controller.trigger_values;
+}
+
+ControllerMotionValues EmulatedController::GetMotionValues() const {
+ return controller.motion_values;
+}
+
+ColorValues EmulatedController::GetColorsValues() const {
+ return controller.color_values;
+}
+
+BatteryValues EmulatedController::GetBatteryValues() const {
+ return controller.battery_values;
+}
+
+NpadButtonState EmulatedController::GetNpadButtons() const {
+ if (is_configuring) {
+ return {};
+ }
+ return controller.npad_button_state;
+}
+
+DebugPadButton EmulatedController::GetDebugPadButtons() const {
+ if (is_configuring) {
+ return {};
+ }
+ return controller.debug_pad_button_state;
+}
+
+AnalogSticks EmulatedController::GetSticks() const {
+ if (is_configuring) {
+ return {};
+ }
+ // Some drivers like stick from buttons need constant refreshing
+ for (auto& device : stick_devices) {
+ if (!device) {
+ continue;
+ }
+ device->SoftUpdate();
+ }
+ return controller.analog_stick_state;
+}
+
+NpadGcTriggerState EmulatedController::GetTriggers() const {
+ if (is_configuring) {
+ return {};
+ }
+ return controller.gc_trigger_state;
+}
+
+MotionState EmulatedController::GetMotions() const {
+ if (force_update_motion) {
+ for (auto& device : motion_devices) {
+ if (!device) {
+ continue;
+ }
+ device->ForceUpdate();
+ }
+ }
+ return controller.motion_state;
+}
+
+ControllerColors EmulatedController::GetColors() const {
+ return controller.colors_state;
+}
+
+BatteryLevelState EmulatedController::GetBattery() const {
+ return controller.battery_state;
+}
+
+void EmulatedController::TriggerOnChange(ControllerTriggerType type, bool is_npad_service_update) {
+ for (const auto& poller_pair : callback_list) {
+ const ControllerUpdateCallback& poller = poller_pair.second;
+ if (!is_npad_service_update && poller.is_npad_service) {
+ continue;
+ }
+ if (poller.on_change) {
+ poller.on_change(type);
+ }
+ }
+}
+
+int EmulatedController::SetCallback(ControllerUpdateCallback update_callback) {
+ std::lock_guard lock{mutex};
+ callback_list.insert_or_assign(last_callback_key, update_callback);
+ return last_callback_key++;
+}
+
+void EmulatedController::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
diff --git a/src/core/hid/emulated_controller.h b/src/core/hid/emulated_controller.h
new file mode 100644
index 000000000..2c5d51bc8
--- /dev/null
+++ b/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
diff --git a/src/core/hid/emulated_devices.cpp b/src/core/hid/emulated_devices.cpp
new file mode 100644
index 000000000..874780ec2
--- /dev/null
+++ b/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
diff --git a/src/core/hid/emulated_devices.h b/src/core/hid/emulated_devices.h
new file mode 100644
index 000000000..05a945d08
--- /dev/null
+++ b/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
diff --git a/src/core/hid/hid_core.cpp b/src/core/hid/hid_core.cpp
new file mode 100644
index 000000000..741a69c3c
--- /dev/null
+++ b/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
diff --git a/src/core/hid/hid_core.h b/src/core/hid/hid_core.h
new file mode 100644
index 000000000..609f40f3b
--- /dev/null
+++ b/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
diff --git a/src/core/hid/hid_types.h b/src/core/hid/hid_types.h
new file mode 100644
index 000000000..acf54e233
--- /dev/null
+++ b/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
diff --git a/src/core/hid/input_converter.cpp b/src/core/hid/input_converter.cpp
new file mode 100644
index 000000000..f5acff6e0
--- /dev/null
+++ b/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
diff --git a/src/core/hid/input_converter.h b/src/core/hid/input_converter.h
new file mode 100644
index 000000000..1492489d7
--- /dev/null
+++ b/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
diff --git a/src/core/hid/input_interpreter.cpp b/src/core/hid/input_interpreter.cpp
new file mode 100644
index 000000000..870422d82
--- /dev/null
+++ b/src/core/hid/input_interpreter.cpp
@@ -0,0 +1,61 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/core.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"
+
+InputInterpreter::InputInterpreter(Core::System& system)
+ : npad{system.ServiceManager()
+ .GetService<Service::HID::Hid>("hid")
+ ->GetAppletResource()
+ ->GetController<Service::HID::Controller_NPad>(Service::HID::HidController::NPad)} {
+ ResetButtonStates();
+}
+
+InputInterpreter::~InputInterpreter() = default;
+
+void InputInterpreter::PollInput() {
+ const u64 button_state = npad.GetAndResetPressState();
+
+ previous_index = current_index;
+ current_index = (current_index + 1) % button_states.size();
+
+ button_states[current_index] = button_state;
+}
+
+void InputInterpreter::ResetButtonStates() {
+ previous_index = 0;
+ current_index = 0;
+
+ button_states[0] = 0xFFFFFFFFFFFFFFFF;
+
+ for (std::size_t i = 1; i < button_states.size(); ++i) {
+ button_states[i] = 0;
+ }
+}
+
+bool InputInterpreter::IsButtonPressed(Core::HID::NpadButton button) const {
+ return (button_states[current_index] & static_cast<u64>(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(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 & static_cast<u64>(button)) != 0;
+}
diff --git a/src/core/hid/input_interpreter.h b/src/core/hid/input_interpreter.h
new file mode 100644
index 000000000..1c2e02142
--- /dev/null
+++ b/src/core/hid/input_interpreter.h
@@ -0,0 +1,112 @@
+// Copyright 2020 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 Core {
+class System;
+}
+
+namespace Core::HID {
+enum class NpadButton : u64;
+}
+
+namespace Service::HID {
+class Controller_NPad;
+}
+
+/**
+ * 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
+ * held down after 400ms has elapsed since the initial button press and subsequent
+ * repeated presses occur every 50ms.
+ */
+class InputInterpreter {
+public:
+ explicit InputInterpreter(Core::System& system);
+ virtual ~InputInterpreter();
+
+ /// Gets a button state from HID and inserts it into the array of button states.
+ void PollInput();
+
+ /// Resets all the button states to their defaults.
+ void ResetButtonStates();
+
+ /**
+ * Checks whether the button is pressed.
+ *
+ * @param button The button to check.
+ *
+ * @returns True when the button is pressed.
+ */
+ [[nodiscard]] bool IsButtonPressed(Core::HID::NpadButton button) const;
+
+ /**
+ * Checks whether any of the buttons in the parameter list is pressed.
+ *
+ * @tparam HIDButton The buttons to check.
+ *
+ * @returns True when at least one of the buttons is pressed.
+ */
+ template <Core::HID::NpadButton... T>
+ [[nodiscard]] bool IsAnyButtonPressed() {
+ return (IsButtonPressed(T) || ...);
+ }
+
+ /**
+ * The specified button is considered to be pressed once
+ * if it is currently pressed and not pressed previously.
+ *
+ * @param button The button to check.
+ *
+ * @returns True when the button is pressed once.
+ */
+ [[nodiscard]] bool IsButtonPressedOnce(Core::HID::NpadButton button) const;
+
+ /**
+ * Checks whether any of the buttons in the parameter list is pressed once.
+ *
+ * @tparam T The buttons to check.
+ *
+ * @returns True when at least one of the buttons is pressed once.
+ */
+ template <Core::HID::NpadButton... T>
+ [[nodiscard]] bool IsAnyButtonPressedOnce() const {
+ return (IsButtonPressedOnce(T) || ...);
+ }
+
+ /**
+ * The specified button is considered to be held down if it is pressed in all 9 button states.
+ *
+ * @param button The button to check.
+ *
+ * @returns True when the button is held down.
+ */
+ [[nodiscard]] bool IsButtonHeld(Core::HID::NpadButton button) const;
+
+ /**
+ * Checks whether any of the buttons in the parameter list is held down.
+ *
+ * @tparam T The buttons to check.
+ *
+ * @returns True when at least one of the buttons is held down.
+ */
+ template <Core::HID::NpadButton... T>
+ [[nodiscard]] bool IsAnyButtonHeld() const {
+ return (IsButtonHeld(T) || ...);
+ }
+
+private:
+ Service::HID::Controller_NPad& npad;
+
+ /// Stores 9 consecutive button states polled from HID.
+ std::array<u64, 9> button_states{};
+
+ std::size_t previous_index{};
+ std::size_t current_index{};
+};
diff --git a/src/core/hid/motion_input.cpp b/src/core/hid/motion_input.cpp
new file mode 100644
index 000000000..c25fea966
--- /dev/null
+++ b/src/core/hid/motion_input.cpp
@@ -0,0 +1,280 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#include "common/math_util.h"
+#include "core/hid/motion_input.h"
+
+namespace Core::HID {
+
+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;
+}
+
+void MotionInput::SetGyroscope(const Common::Vec3f& gyroscope) {
+ gyro = gyroscope - gyro_drift;
+
+ // Auto adjust drift to minimize drift
+ if (!IsMoving(0.1f)) {
+ gyro_drift = (gyro_drift * 0.9999f) + (gyroscope * 0.0001f);
+ }
+
+ if (gyro.Length2() < gyro_threshold) {
+ gyro = {};
+ } else {
+ only_accelerometer = false;
+ }
+}
+
+void MotionInput::SetQuaternion(const Common::Quaternion<f32>& quaternion) {
+ quat = quaternion;
+}
+
+void MotionInput::SetGyroDrift(const Common::Vec3f& drift) {
+ gyro_drift = drift;
+}
+
+void MotionInput::SetGyroThreshold(f32 threshold) {
+ gyro_threshold = threshold;
+}
+
+void MotionInput::EnableReset(bool reset) {
+ reset_enabled = reset;
+}
+
+void MotionInput::ResetRotations() {
+ rotations = {};
+}
+
+bool MotionInput::IsMoving(f32 sensitivity) const {
+ return gyro.Length() >= sensitivity || accel.Length() <= 0.9f || accel.Length() >= 1.1f;
+}
+
+bool MotionInput::IsCalibrated(f32 sensitivity) const {
+ return real_error.Length() < sensitivity;
+}
+
+void MotionInput::UpdateRotation(u64 elapsed_time) {
+ const auto sample_period = static_cast<f32>(elapsed_time) / 1000000.0f;
+ if (sample_period > 0.1f) {
+ return;
+ }
+ 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();
+ }
+ // Short name local variable for readability
+ f32 q1 = quat.w;
+ f32 q2 = quat.xyz[0];
+ f32 q3 = quat.xyz[1];
+ f32 q4 = quat.xyz[2];
+ const auto sample_period = static_cast<f32>(elapsed_time) / 1000000.0f;
+
+ // Ignore invalid elapsed time
+ if (sample_period > 0.1f) {
+ return;
+ }
+
+ const auto normal_accel = accel.Normalized();
+ auto rad_gyro = gyro * Common::PI * 2;
+ const f32 swap = rad_gyro.x;
+ rad_gyro.x = rad_gyro.y;
+ rad_gyro.y = -swap;
+ rad_gyro.z = -rad_gyro.z;
+
+ // Clear gyro values if there is no gyro present
+ if (only_accelerometer) {
+ rad_gyro.x = 0;
+ rad_gyro.y = 0;
+ rad_gyro.z = 0;
+ }
+
+ // Ignore drift correction if acceleration is not reliable
+ if (accel.Length() >= 0.75f && accel.Length() <= 1.25f) {
+ const f32 ax = -normal_accel.x;
+ const f32 ay = normal_accel.y;
+ const f32 az = -normal_accel.z;
+
+ // Estimated direction of gravity
+ const f32 vx = 2.0f * (q2 * q4 - q1 * q3);
+ const f32 vy = 2.0f * (q1 * q2 + q3 * q4);
+ const f32 vz = q1 * q1 - q2 * q2 - q3 * q3 + q4 * q4;
+
+ // Error is cross product between estimated direction and measured direction of gravity
+ const Common::Vec3f new_real_error = {
+ az * vx - ax * vz,
+ ay * vz - az * vy,
+ ax * vy - ay * vx,
+ };
+
+ derivative_error = new_real_error - real_error;
+ real_error = new_real_error;
+
+ // Prevent integral windup
+ if (ki != 0.0f && !IsCalibrated(0.05f)) {
+ integral_error += real_error;
+ } else {
+ integral_error = {};
+ }
+
+ // Apply feedback terms
+ if (!only_accelerometer) {
+ rad_gyro += kp * real_error;
+ rad_gyro += ki * integral_error;
+ rad_gyro += kd * derivative_error;
+ } else {
+ // Give more weight to accelerometer values to compensate for the lack of gyro
+ rad_gyro += 35.0f * kp * real_error;
+ rad_gyro += 10.0f * ki * integral_error;
+ rad_gyro += 10.0f * kd * derivative_error;
+
+ // Emulate gyro values for games that need them
+ gyro.x = -rad_gyro.y;
+ gyro.y = rad_gyro.x;
+ gyro.z = -rad_gyro.z;
+ UpdateRotation(elapsed_time);
+ }
+ }
+
+ const f32 gx = rad_gyro.y;
+ const f32 gy = rad_gyro.x;
+ const f32 gz = rad_gyro.z;
+
+ // Integrate rate of change of quaternion
+ const f32 pa = q2;
+ const f32 pb = q3;
+ const f32 pc = q4;
+ q1 = q1 + (-q2 * gx - q3 * gy - q4 * gz) * (0.5f * sample_period);
+ q2 = pa + (q1 * gx + pb * gz - pc * gy) * (0.5f * sample_period);
+ q3 = pb + (q1 * gy - pa * gz + pc * gx) * (0.5f * sample_period);
+ q4 = pc + (q1 * gz + pa * gy - pb * gx) * (0.5f * sample_period);
+
+ quat.w = q1;
+ quat.xyz[0] = q2;
+ quat.xyz[1] = q3;
+ quat.xyz[2] = q4;
+ quat = quat.Normalized();
+}
+
+std::array<Common::Vec3f, 3> MotionInput::GetOrientation() const {
+ const Common::Quaternion<float> quad{
+ .xyz = {-quat.xyz[1], -quat.xyz[0], -quat.w},
+ .w = -quat.xyz[2],
+ };
+ const std::array<float, 16> matrix4x4 = quad.ToMatrix();
+
+ return {Common::Vec3f(matrix4x4[0], matrix4x4[1], -matrix4x4[2]),
+ Common::Vec3f(matrix4x4[4], matrix4x4[5], -matrix4x4[6]),
+ Common::Vec3f(-matrix4x4[8], -matrix4x4[9], matrix4x4[10])};
+}
+
+Common::Vec3f MotionInput::GetAcceleration() const {
+ return accel;
+}
+
+Common::Vec3f MotionInput::GetGyroscope() const {
+ return gyro;
+}
+
+Common::Quaternion<f32> MotionInput::GetQuaternion() const {
+ return quat;
+}
+
+Common::Vec3f MotionInput::GetRotations() const {
+ return rotations;
+}
+
+void MotionInput::ResetOrientation() {
+ if (!reset_enabled || only_accelerometer) {
+ return;
+ }
+ if (!IsMoving(0.5f) && accel.z <= -0.9f) {
+ ++reset_counter;
+ if (reset_counter > 900) {
+ quat.w = 0;
+ quat.xyz[0] = 0;
+ quat.xyz[1] = 0;
+ quat.xyz[2] = -1;
+ SetOrientationFromAccelerometer();
+ integral_error = {};
+ reset_counter = 0;
+ }
+ } else {
+ reset_counter = 0;
+ }
+}
+
+void MotionInput::SetOrientationFromAccelerometer() {
+ int iterations = 0;
+ const f32 sample_period = 0.015f;
+
+ const auto normal_accel = accel.Normalized();
+
+ while (!IsCalibrated(0.01f) && ++iterations < 100) {
+ // Short name local variable for readability
+ f32 q1 = quat.w;
+ f32 q2 = quat.xyz[0];
+ f32 q3 = quat.xyz[1];
+ f32 q4 = quat.xyz[2];
+
+ Common::Vec3f rad_gyro;
+ const f32 ax = -normal_accel.x;
+ const f32 ay = normal_accel.y;
+ const f32 az = -normal_accel.z;
+
+ // Estimated direction of gravity
+ const f32 vx = 2.0f * (q2 * q4 - q1 * q3);
+ const f32 vy = 2.0f * (q1 * q2 + q3 * q4);
+ const f32 vz = q1 * q1 - q2 * q2 - q3 * q3 + q4 * q4;
+
+ // Error is cross product between estimated direction and measured direction of gravity
+ const Common::Vec3f new_real_error = {
+ az * vx - ax * vz,
+ ay * vz - az * vy,
+ ax * vy - ay * vx,
+ };
+
+ derivative_error = new_real_error - real_error;
+ real_error = new_real_error;
+
+ rad_gyro += 10.0f * kp * real_error;
+ rad_gyro += 5.0f * ki * integral_error;
+ rad_gyro += 10.0f * kd * derivative_error;
+
+ const f32 gx = rad_gyro.y;
+ const f32 gy = rad_gyro.x;
+ const f32 gz = rad_gyro.z;
+
+ // Integrate rate of change of quaternion
+ const f32 pa = q2;
+ const f32 pb = q3;
+ const f32 pc = q4;
+ q1 = q1 + (-q2 * gx - q3 * gy - q4 * gz) * (0.5f * sample_period);
+ q2 = pa + (q1 * gx + pb * gz - pc * gy) * (0.5f * sample_period);
+ q3 = pb + (q1 * gy - pa * gz + pc * gx) * (0.5f * sample_period);
+ q4 = pc + (q1 * gz + pa * gy - pb * gx) * (0.5f * sample_period);
+
+ quat.w = q1;
+ quat.xyz[0] = q2;
+ quat.xyz[1] = q3;
+ quat.xyz[2] = q4;
+ quat = quat.Normalized();
+ }
+}
+} // namespace Core::HID
diff --git a/src/core/hid/motion_input.h b/src/core/hid/motion_input.h
new file mode 100644
index 000000000..5b5b420bb
--- /dev/null
+++ b/src/core/hid/motion_input.h
@@ -0,0 +1,87 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#pragma once
+
+#include "common/common_types.h"
+#include "common/quaternion.h"
+#include "common/vector_math.h"
+
+namespace Core::HID {
+
+class MotionInput {
+public:
+ explicit MotionInput();
+
+ MotionInput(const MotionInput&) = default;
+ MotionInput& operator=(const MotionInput&) = default;
+
+ 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);
+ void SetGyroDrift(const Common::Vec3f& drift);
+ void SetGyroThreshold(f32 threshold);
+
+ void EnableReset(bool reset);
+ void ResetRotations();
+
+ void UpdateRotation(u64 elapsed_time);
+ void UpdateOrientation(u64 elapsed_time);
+
+ [[nodiscard]] std::array<Common::Vec3f, 3> GetOrientation() const;
+ [[nodiscard]] Common::Vec3f GetAcceleration() const;
+ [[nodiscard]] Common::Vec3f GetGyroscope() const;
+ [[nodiscard]] Common::Vec3f GetRotations() const;
+ [[nodiscard]] Common::Quaternion<f32> GetQuaternion() const;
+
+ [[nodiscard]] bool IsMoving(f32 sensitivity) const;
+ [[nodiscard]] bool IsCalibrated(f32 sensitivity) const;
+
+private:
+ void ResetOrientation();
+ void SetOrientationFromAccelerometer();
+
+ // PID constants
+ f32 kp;
+ f32 ki;
+ f32 kd;
+
+ // PID errors
+ Common::Vec3f real_error;
+ 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 Core::HID
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