core/hid: Add emulated controllers

1 files changed, 745 insertions, 0 deletions

diff --git a/src/core/hid/emulated_controller.cpp b/src/core/hid/emulated_controller.cpp
new file mode 100644
index 000000000..4eb5d99bc
--- /dev/null
+++ b/src/core/hid/emulated_controller.cpp
@@ -0,0 +1,745 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#include <fmt/format.h>
+
+#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;
+
+NpadType EmulatedController::MapSettingsTypeToNPad(Settings::ControllerType type) {
+    switch (type) {
+    case Settings::ControllerType::ProController:
+        return NpadType::ProController;
+    case Settings::ControllerType::DualJoyconDetached:
+        return NpadType::JoyconDual;
+    case Settings::ControllerType::LeftJoycon:
+        return NpadType::JoyconLeft;
+    case Settings::ControllerType::RightJoycon:
+        return NpadType::JoyconRight;
+    case Settings::ControllerType::Handheld:
+        return NpadType::Handheld;
+    case Settings::ControllerType::GameCube:
+        return NpadType::GameCube;
+    default:
+        return NpadType::ProController;
+    }
+}
+
+Settings::ControllerType EmulatedController::MapNPadToSettingsType(NpadType type) {
+    switch (type) {
+    case NpadType::ProController:
+        return Settings::ControllerType::ProController;
+    case NpadType::JoyconDual:
+        return Settings::ControllerType::DualJoyconDetached;
+    case NpadType::JoyconLeft:
+        return Settings::ControllerType::LeftJoycon;
+    case NpadType::JoyconRight:
+        return Settings::ControllerType::RightJoycon;
+    case NpadType::Handheld:
+        return Settings::ControllerType::Handheld;
+    case NpadType::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]);
+    }
+    ReloadInput();
+}
+
+void EmulatedController::ReloadInput() {
+    const auto player_index = NpadIdTypeToIndex(npad_id_type);
+    const auto& player = Settings::values.players.GetValue()[player_index];
+    const auto left_side = button_params[Settings::NativeButton::ZL];
+    const auto right_side = button_params[Settings::NativeButton::ZR];
+
+    std::transform(button_params.begin() + Settings::NativeButton::BUTTON_HID_BEGIN,
+                   button_params.begin() + Settings::NativeButton::BUTTON_NS_END,
+                   button_devices.begin(), Input::CreateDevice<Input::InputDevice>);
+    std::transform(stick_params.begin() + Settings::NativeAnalog::STICK_HID_BEGIN,
+                   stick_params.begin() + Settings::NativeAnalog::STICK_HID_END,
+                   stick_devices.begin(), Input::CreateDevice<Input::InputDevice>);
+    std::transform(motion_params.begin() + Settings::NativeMotion::MOTION_HID_BEGIN,
+                   motion_params.begin() + Settings::NativeMotion::MOTION_HID_END,
+                   motion_devices.begin(), Input::CreateDevice<Input::InputDevice>);
+
+    trigger_devices[0] =
+        Input::CreateDevice<Input::InputDevice>(button_params[Settings::NativeButton::ZL]);
+    trigger_devices[1] =
+        Input::CreateDevice<Input::InputDevice>(button_params[Settings::NativeButton::ZR]);
+
+    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;
+
+    battery_devices[0] = Input::CreateDevice<Input::InputDevice>(left_side);
+    battery_devices[1] = Input::CreateDevice<Input::InputDevice>(right_side);
+
+    for (std::size_t index = 0; index < button_devices.size(); ++index) {
+        if (!button_devices[index]) {
+            continue;
+        }
+        Input::InputCallback button_callback{
+            [this, index](Input::CallbackStatus callback) { SetButton(callback, index); }};
+        button_devices[index]->SetCallback(button_callback);
+    }
+
+    for (std::size_t index = 0; index < stick_devices.size(); ++index) {
+        if (!stick_devices[index]) {
+            continue;
+        }
+        Input::InputCallback stick_callback{
+            [this, index](Input::CallbackStatus callback) { SetStick(callback, index); }};
+        stick_devices[index]->SetCallback(stick_callback);
+    }
+
+    for (std::size_t index = 0; index < trigger_devices.size(); ++index) {
+        if (!trigger_devices[index]) {
+            continue;
+        }
+        Input::InputCallback trigger_callback{
+            [this, index](Input::CallbackStatus callback) { SetTrigger(callback, index); }};
+        trigger_devices[index]->SetCallback(trigger_callback);
+    }
+
+    for (std::size_t index = 0; index < battery_devices.size(); ++index) {
+        if (!battery_devices[index]) {
+            continue;
+        }
+        Input::InputCallback battery_callback{
+            [this, index](Input::CallbackStatus callback) { SetBattery(callback, index); }};
+        battery_devices[index]->SetCallback(battery_callback);
+    }
+
+    for (std::size_t index = 0; index < motion_devices.size(); ++index) {
+        if (!motion_devices[index]) {
+            continue;
+        }
+        Input::InputCallback motion_callback{
+            [this, index](Input::CallbackStatus callback) { SetMotion(callback, index); }};
+        motion_devices[index]->SetCallback(motion_callback);
+    }
+
+    SetNpadType(MapSettingsTypeToNPad(player.controller_type));
+
+    if (player.connected) {
+        Connect();
+    } else {
+        Disconnect();
+    }
+}
+
+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();
+    }
+}
+
+void EmulatedController::EnableConfiguration() {
+    is_configuring = true;
+    SaveCurrentConfig();
+}
+
+void EmulatedController::DisableConfiguration() {
+    is_configuring = false;
+}
+
+bool EmulatedController::IsConfiguring() const {
+    return is_configuring;
+}
+
+void EmulatedController::SaveCurrentConfig() {
+    if (!is_configuring) {
+        return;
+    }
+
+    const auto player_index = NpadIdTypeToIndex(npad_id_type);
+    auto& player = Settings::values.players.GetValue()[player_index];
+
+    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() 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", "") == param_.Get("port", "");
+            });
+        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", ""));
+        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", "") == param_.Get("port", "");
+            });
+        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", ""));
+        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(Input::CallbackStatus callback, std::size_t index) {
+    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];
+    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) {
+        controller.npad_button_state.raw = NpadButton::None;
+        controller.debug_pad_button_state.raw = 0;
+        TriggerOnChange(ControllerTriggerType::Button);
+        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;
+    }
+    TriggerOnChange(ControllerTriggerType::Button);
+}
+
+void EmulatedController::SetStick(Input::CallbackStatus callback, std::size_t index) {
+    if (index >= controller.stick_values.size()) {
+        return;
+    }
+    std::lock_guard lock{mutex};
+    controller.stick_values[index] = TransformToStick(callback);
+
+    if (is_configuring) {
+        controller.analog_stick_state.left = {};
+        controller.analog_stick_state.right = {};
+        TriggerOnChange(ControllerTriggerType::Stick);
+        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);
+}
+
+void EmulatedController::SetTrigger(Input::CallbackStatus callback, std::size_t index) {
+    if (index >= controller.trigger_values.size()) {
+        return;
+    }
+    std::lock_guard lock{mutex};
+    controller.trigger_values[index] = TransformToTrigger(callback);
+
+    if (is_configuring) {
+        controller.gc_trigger_state.left = 0;
+        controller.gc_trigger_state.right = 0;
+        TriggerOnChange(ControllerTriggerType::Trigger);
+        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);
+        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);
+        break;
+    }
+
+    TriggerOnChange(ControllerTriggerType::Trigger);
+}
+
+void EmulatedController::SetMotion(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);
+
+    if (is_configuring) {
+        TriggerOnChange(ControllerTriggerType::Motion);
+        return;
+    }
+
+    auto& motion = controller.motion_state[index];
+    motion.accel = emulated.GetAcceleration();
+    motion.gyro = emulated.GetGyroscope();
+    motion.rotation = emulated.GetGyroscope();
+    motion.orientation = emulated.GetOrientation();
+    motion.is_at_rest = emulated.IsMoving(motion_sensitivity);
+
+    TriggerOnChange(ControllerTriggerType::Motion);
+}
+
+void EmulatedController::SetBattery(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);
+        return;
+    }
+
+    bool is_charging = false;
+    bool is_powered = false;
+    BatteryLevel battery_level = 0;
+    switch (controller.battery_values[index]) {
+    case Input::BatteryLevel::Charging:
+        is_charging = true;
+        is_powered = true;
+        battery_level = 6;
+        break;
+    case Input::BatteryLevel::Medium:
+        battery_level = 6;
+        break;
+    case Input::BatteryLevel::Low:
+        battery_level = 4;
+        break;
+    case Input::BatteryLevel::Critical:
+        battery_level = 2;
+        break;
+    case Input::BatteryLevel::Empty:
+        battery_level = 0;
+        break;
+    case Input::BatteryLevel::Full:
+    default:
+        is_powered = true;
+        battery_level = 8;
+        break;
+    }
+
+    switch (index) {
+    case 0:
+        controller.battery_state.left = {
+            .is_powered = is_powered,
+            .is_charging = is_charging,
+            .battery_level = battery_level,
+        };
+        break;
+    case 1:
+        controller.battery_state.right = {
+            .is_powered = is_powered,
+            .is_charging = is_charging,
+            .battery_level = battery_level,
+        };
+        break;
+    case 2:
+        controller.battery_state.dual = {
+            .is_powered = is_powered,
+            .is_charging = is_charging,
+            .battery_level = battery_level,
+        };
+        break;
+    }
+    TriggerOnChange(ControllerTriggerType::Battery);
+}
+
+bool EmulatedController::SetVibration([[maybe_unused]] std::size_t device_index,
+                                      [[maybe_unused]] VibrationValue vibration) {
+    return false;
+}
+
+int EmulatedController::TestVibration(std::size_t device_index) {
+    return 1;
+}
+
+void EmulatedController::Connect() {
+    std::lock_guard lock{mutex};
+    if (is_connected) {
+        LOG_WARNING(Service_HID, "Tried to turn on a connected controller {}", npad_id_type);
+        return;
+    }
+    is_connected = true;
+    TriggerOnChange(ControllerTriggerType::Connected);
+}
+
+void EmulatedController::Disconnect() {
+    std::lock_guard lock{mutex};
+    if (!is_connected) {
+        LOG_WARNING(Service_HID, "Tried to turn off a disconnected controller {}", npad_id_type);
+        return;
+    }
+    is_connected = false;
+    TriggerOnChange(ControllerTriggerType::Disconnected);
+}
+
+bool EmulatedController::IsConnected() const {
+    return is_connected;
+}
+
+bool EmulatedController::IsVibrationEnabled() const {
+    return is_vibration_enabled;
+}
+
+NpadIdType EmulatedController::GetNpadIdType() const {
+    return npad_id_type;
+}
+
+NpadType EmulatedController::GetNpadType() const {
+    return npad_type;
+}
+
+void EmulatedController::SetNpadType(NpadType npad_type_) {
+    std::lock_guard lock{mutex};
+    if (npad_type == npad_type_) {
+        return;
+    }
+    npad_type = npad_type_;
+    TriggerOnChange(ControllerTriggerType::Type);
+}
+
+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 {};
+    }
+    return controller.analog_stick_state;
+}
+
+NpadGcTriggerState EmulatedController::GetTriggers() const {
+    if (is_configuring) {
+        return {};
+    }
+    return controller.gc_trigger_state;
+}
+
+MotionState EmulatedController::GetMotions() const {
+    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) {
+    for (const std::pair<int, ControllerUpdateCallback> poller_pair : callback_list) {
+        const ControllerUpdateCallback& poller = poller_pair.second;
+        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};
+    if (!callback_list.contains(key)) {
+        LOG_ERROR(Input, "Tried to delete non-existent callback {}", key);
+        return;
+    }
+    callback_list.erase(key);
+}
+} // namespace Core::HID