Merge pull request #9848 from german77/metroid_motion

input_common: Implement dedicated motion from mouse

src/core/hid/emulated_controller.cpp

@@ -363,7 +363,17 @@ void EmulatedController::ReloadInput() {
                     SetMotion(callback, index);
                 },
         });
-        motion_devices[index]->ForceUpdate();
+
+        // Restore motion state
+        auto& emulated_motion = controller.motion_values[index].emulated;
+        auto& motion = controller.motion_state[index];
+        emulated_motion.ResetRotations();
+        emulated_motion.ResetQuaternion();
+        motion.accel = emulated_motion.GetAcceleration();
+        motion.gyro = emulated_motion.GetGyroscope();
+        motion.rotation = emulated_motion.GetRotations();
+        motion.orientation = emulated_motion.GetOrientation();
+        motion.is_at_rest = !emulated_motion.IsMoving(motion_sensitivity);
     }
 
     for (std::size_t index = 0; index < camera_devices.size(); ++index) {

src/core/hid/motion_input.cpp

@@ -10,6 +10,8 @@ MotionInput::MotionInput() {
     // Initialize PID constants with default values
     SetPID(0.3f, 0.005f, 0.0f);
     SetGyroThreshold(ThresholdStandard);
+    ResetQuaternion();
+    ResetRotations();
 }
 
 void MotionInput::SetPID(f32 new_kp, f32 new_ki, f32 new_kd) {
@@ -20,11 +22,19 @@ void MotionInput::SetPID(f32 new_kp, f32 new_ki, f32 new_kd) {
 
 void MotionInput::SetAcceleration(const Common::Vec3f& acceleration) {
     accel = acceleration;
+
+    accel.x = std::clamp(accel.x, -AccelMaxValue, AccelMaxValue);
+    accel.y = std::clamp(accel.y, -AccelMaxValue, AccelMaxValue);
+    accel.z = std::clamp(accel.z, -AccelMaxValue, AccelMaxValue);
 }
 
 void MotionInput::SetGyroscope(const Common::Vec3f& gyroscope) {
     gyro = gyroscope - gyro_bias;
 
+    gyro.x = std::clamp(gyro.x, -GyroMaxValue, GyroMaxValue);
+    gyro.y = std::clamp(gyro.y, -GyroMaxValue, GyroMaxValue);
+    gyro.z = std::clamp(gyro.z, -GyroMaxValue, GyroMaxValue);
+
     // Auto adjust drift to minimize drift
     if (!IsMoving(IsAtRestRelaxed)) {
         gyro_bias = (gyro_bias * 0.9999f) + (gyroscope * 0.0001f);
@@ -61,6 +71,10 @@ void MotionInput::ResetRotations() {
     rotations = {};
 }
 
+void MotionInput::ResetQuaternion() {
+    quat = {{0.0f, 0.0f, -1.0f}, 0.0f};
+}
+
 bool MotionInput::IsMoving(f32 sensitivity) const {
     return gyro.Length() >= sensitivity || accel.Length() <= 0.9f || accel.Length() >= 1.1f;
 }

src/core/hid/motion_input.h

@@ -20,6 +20,9 @@ public:
     static constexpr float IsAtRestStandard = 0.01f;
     static constexpr float IsAtRestThight = 0.005f;
 
+    static constexpr float GyroMaxValue = 5.0f;
+    static constexpr float AccelMaxValue = 7.0f;
+
     explicit MotionInput();
 
     MotionInput(const MotionInput&) = default;
@@ -40,6 +43,7 @@ public:
 
     void EnableReset(bool reset);
     void ResetRotations();
+    void ResetQuaternion();
 
     void UpdateRotation(u64 elapsed_time);
     void UpdateOrientation(u64 elapsed_time);
@@ -69,7 +73,7 @@ private:
     Common::Vec3f derivative_error;
 
     // Quaternion containing the device orientation
-    Common::Quaternion<f32> quat{{0.0f, 0.0f, -1.0f}, 0.0f};
+    Common::Quaternion<f32> quat;
 
     // Number of full rotations in each axis
     Common::Vec3f rotations;

src/input_common/drivers/mouse.cpp

@@ -10,17 +10,25 @@
 #include "input_common/drivers/mouse.h"
 
 namespace InputCommon {
+constexpr int update_time = 10;
+constexpr float default_stick_sensitivity = 0.022f;
+constexpr float default_motion_sensitivity = 0.008f;
 constexpr int mouse_axis_x = 0;
 constexpr int mouse_axis_y = 1;
 constexpr int wheel_axis_x = 2;
 constexpr int wheel_axis_y = 3;
-constexpr int motion_wheel_y = 4;
 constexpr PadIdentifier identifier = {
     .guid = Common::UUID{},
     .port = 0,
     .pad = 0,
 };
 
+constexpr PadIdentifier motion_identifier = {
+    .guid = Common::UUID{},
+    .port = 0,
+    .pad = 1,
+};
+
 constexpr PadIdentifier real_mouse_identifier = {
     .guid = Common::UUID{},
     .port = 1,
@@ -37,47 +45,87 @@ Mouse::Mouse(std::string input_engine_) : InputEngine(std::move(input_engine_))
     PreSetController(identifier);
     PreSetController(real_mouse_identifier);
     PreSetController(touch_identifier);
+    PreSetController(motion_identifier);
 
     // Initialize all mouse axis
     PreSetAxis(identifier, mouse_axis_x);
     PreSetAxis(identifier, mouse_axis_y);
     PreSetAxis(identifier, wheel_axis_x);
     PreSetAxis(identifier, wheel_axis_y);
-    PreSetAxis(identifier, motion_wheel_y);
     PreSetAxis(real_mouse_identifier, mouse_axis_x);
     PreSetAxis(real_mouse_identifier, mouse_axis_y);
     PreSetAxis(touch_identifier, mouse_axis_x);
     PreSetAxis(touch_identifier, mouse_axis_y);
+
+    // Initialize variables
+    mouse_origin = {};
+    last_mouse_position = {};
+    wheel_position = {};
+    last_mouse_change = {};
+    last_motion_change = {};
+
     update_thread = std::jthread([this](std::stop_token stop_token) { UpdateThread(stop_token); });
 }
 
 void Mouse::UpdateThread(std::stop_token stop_token) {
     Common::SetCurrentThreadName("Mouse");
-    constexpr int update_time = 10;
-    while (!stop_token.stop_requested()) {
-        if (Settings::values.mouse_panning) {
-            // Slow movement by 4%
-            last_mouse_change *= 0.96f;
-            const float sensitivity =
-                Settings::values.mouse_panning_sensitivity.GetValue() * 0.022f;
-            SetAxis(identifier, mouse_axis_x, last_mouse_change.x * sensitivity);
-            SetAxis(identifier, mouse_axis_y, -last_mouse_change.y * sensitivity);
-        }
 
-        SetAxis(identifier, motion_wheel_y, 0.0f);
+    while (!stop_token.stop_requested()) {
+        UpdateStickInput();
+        UpdateMotionInput();
 
-        if (mouse_panning_timout++ > 20) {
+        if (mouse_panning_timeout++ > 20) {
             StopPanning();
         }
         std::this_thread::sleep_for(std::chrono::milliseconds(update_time));
     }
 }
 
+void Mouse::UpdateStickInput() {
+    if (!Settings::values.mouse_panning) {
+        return;
+    }
+
+    const float sensitivity =
+        Settings::values.mouse_panning_sensitivity.GetValue() * default_stick_sensitivity;
+
+    // Slow movement by 4%
+    last_mouse_change *= 0.96f;
+    SetAxis(identifier, mouse_axis_x, last_mouse_change.x * sensitivity);
+    SetAxis(identifier, mouse_axis_y, -last_mouse_change.y * sensitivity);
+}
+
+void Mouse::UpdateMotionInput() {
+    const float sensitivity =
+        Settings::values.mouse_panning_sensitivity.GetValue() * default_motion_sensitivity;
+
+    // Slow movement by 7%
+    if (Settings::values.mouse_panning) {
+        last_motion_change *= 0.93f;
+    } else {
+        last_motion_change.z *= 0.93f;
+    }
+
+    const BasicMotion motion_data{
+        .gyro_x = last_motion_change.x * sensitivity,
+        .gyro_y = last_motion_change.y * sensitivity,
+        .gyro_z = last_motion_change.z * sensitivity,
+        .accel_x = 0,
+        .accel_y = 0,
+        .accel_z = 0,
+        .delta_timestamp = update_time * 1000,
+    };
+
+    SetMotion(motion_identifier, 0, motion_data);
+}
+
 void Mouse::Move(int x, int y, int center_x, int center_y) {
     if (Settings::values.mouse_panning) {
+        mouse_panning_timeout = 0;
+
         auto mouse_change =
             (Common::MakeVec(x, y) - Common::MakeVec(center_x, center_y)).Cast<float>();
-        mouse_panning_timout = 0;
+        Common::Vec3<float> motion_change{-mouse_change.y, -mouse_change.x, last_motion_change.z};
 
         const auto move_distance = mouse_change.Length();
         if (move_distance == 0) {
@@ -93,6 +141,7 @@ void Mouse::Move(int x, int y, int center_x, int center_y) {
 
         // Average mouse movements
         last_mouse_change = (last_mouse_change * 0.91f) + (mouse_change * 0.09f);
+        last_motion_change = (last_motion_change * 0.69f) + (motion_change * 0.31f);
 
         const auto last_move_distance = last_mouse_change.Length();
 
@@ -116,6 +165,12 @@ void Mouse::Move(int x, int y, int center_x, int center_y) {
         const float sensitivity = Settings::values.mouse_panning_sensitivity.GetValue() * 0.0012f;
         SetAxis(identifier, mouse_axis_x, static_cast<float>(mouse_move.x) * sensitivity);
         SetAxis(identifier, mouse_axis_y, static_cast<float>(-mouse_move.y) * sensitivity);
+
+        last_motion_change = {
+            static_cast<float>(-mouse_move.y) / 50.0f,
+            static_cast<float>(-mouse_move.x) / 50.0f,
+            last_motion_change.z,
+        };
     }
 }
 
@@ -157,15 +212,19 @@ void Mouse::ReleaseButton(MouseButton button) {
         SetAxis(identifier, mouse_axis_x, 0);
         SetAxis(identifier, mouse_axis_y, 0);
     }
+
+    last_motion_change.x = 0;
+    last_motion_change.y = 0;
+
     button_pressed = false;
 }
 
 void Mouse::MouseWheelChange(int x, int y) {
     wheel_position.x += x;
     wheel_position.y += y;
+    last_motion_change.z += static_cast<f32>(y) / 100.0f;
     SetAxis(identifier, wheel_axis_x, static_cast<f32>(wheel_position.x));
     SetAxis(identifier, wheel_axis_y, static_cast<f32>(wheel_position.y));
-    SetAxis(identifier, motion_wheel_y, static_cast<f32>(y) / 100.0f);
 }
 
 void Mouse::ReleaseAllButtons() {
@@ -234,6 +293,9 @@ Common::Input::ButtonNames Mouse::GetUIName(const Common::ParamPackage& params)
     if (params.Has("axis_x") && params.Has("axis_y") && params.Has("axis_z")) {
         return Common::Input::ButtonNames::Engine;
     }
+    if (params.Has("motion")) {
+        return Common::Input::ButtonNames::Engine;
+    }
 
     return Common::Input::ButtonNames::Invalid;
 }

src/input_common/drivers/mouse.h

@@ -96,6 +96,8 @@ public:
 
 private:
     void UpdateThread(std::stop_token stop_token);
+    void UpdateStickInput();
+    void UpdateMotionInput();
     void StopPanning();
 
     Common::Input::ButtonNames GetUIButtonName(const Common::ParamPackage& params) const;
@@ -103,9 +105,10 @@ private:
     Common::Vec2<int> mouse_origin;
     Common::Vec2<int> last_mouse_position;
     Common::Vec2<float> last_mouse_change;
+    Common::Vec3<float> last_motion_change;
     Common::Vec2<int> wheel_position;
     bool button_pressed;
-    int mouse_panning_timout{};
+    int mouse_panning_timeout{};
     std::jthread update_thread;
 };
 

src/input_common/input_mapping.cpp

@@ -142,14 +142,10 @@ void MappingFactory::RegisterMotion(const MappingData& data) {
     new_input.Set("port", static_cast<int>(data.pad.port));
     new_input.Set("pad", static_cast<int>(data.pad.pad));
 
-    // If engine is mouse map the mouse position as 3 axis motion
+    // If engine is mouse map it automatically to mouse motion
     if (data.engine == "mouse") {
-        new_input.Set("axis_x", 1);
-        new_input.Set("invert_x", "-");
-        new_input.Set("axis_y", 0);
-        new_input.Set("axis_z", 4);
-        new_input.Set("range", 1.0f);
-        new_input.Set("deadzone", 0.0f);
+        new_input.Set("motion", 0);
+        new_input.Set("pad", 1);
         input_queue.Push(new_input);
         return;
     }