android: Add motion sensor

src/android/app/src/main/java/org/yuzu/yuzu_emu/overlay/InputOverlay.java

@@ -16,6 +16,10 @@ import android.graphics.BitmapFactory;
 import android.graphics.Canvas;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
+import android.hardware.Sensor;
+import android.hardware.SensorEvent;
+import android.hardware.SensorEventListener;
+import android.hardware.SensorManager;
 import android.preference.PreferenceManager;
 import android.util.AttributeSet;
 import android.util.DisplayMetrics;
@@ -38,20 +42,19 @@ import java.util.Set;
  * Draws the interactive input overlay on top of the
  * {@link SurfaceView} that is rendering emulation.
  */
-public final class InputOverlay extends SurfaceView implements OnTouchListener {
+public final class InputOverlay extends SurfaceView implements OnTouchListener, SensorEventListener {
     private final Set<InputOverlayDrawableButton> overlayButtons = new HashSet<>();
     private final Set<InputOverlayDrawableDpad> overlayDpads = new HashSet<>();
     private final Set<InputOverlayDrawableJoystick> overlayJoysticks = new HashSet<>();
 
     private boolean mIsInEditMode = false;
-    private InputOverlayDrawableButton mButtonBeingConfigured;
-    private InputOverlayDrawableDpad mDpadBeingConfigured;
-    private InputOverlayDrawableJoystick mJoystickBeingConfigured;
 
     private SharedPreferences mPreferences;
 
-    // Stores the ID of the pointer that interacted with the 3DS touchscreen.
-    private int mTouchscreenPointerId = -1;
+    private float[] gyro = new float[3];
+    private float[] accel = new float[3];
+
+    private long motionTimestamp;
 
     /**
      * Constructor
@@ -67,12 +70,12 @@ public final class InputOverlay extends SurfaceView implements OnTouchListener {
             defaultOverlay();
         }
 
-        // Reset 3ds touchscreen pointer ID
-        mTouchscreenPointerId = -1;
-
         // Load the controls.
         refreshControls();
 
+        // Set the on motion sensor listener.
+        setMotionSensorListener(context);
+
         // Set the on touch listener.
         setOnTouchListener(this);
 
@@ -83,6 +86,20 @@ public final class InputOverlay extends SurfaceView implements OnTouchListener {
         requestFocus();
     }
 
+    private void setMotionSensorListener(Context context) {
+        SensorManager sensorManager = (SensorManager) context.getSystemService(Context.SENSOR_SERVICE);
+        Sensor gyro_sensor = sensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE);
+        Sensor accel_sensor = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
+
+        if (gyro_sensor != null) {
+            sensorManager.registerListener(this, gyro_sensor, SensorManager.SENSOR_DELAY_GAME);
+        }
+        if (accel_sensor != null) {
+            sensorManager.registerListener(this, accel_sensor, SensorManager.SENSOR_DELAY_GAME);
+        }
+    }
+
+
     /**
      * Resizes a {@link Bitmap} by a given scale factor
      *
@@ -427,6 +444,36 @@ public final class InputOverlay extends SurfaceView implements OnTouchListener {
         return true;
     }
 
+    @Override
+    public void onSensorChanged(SensorEvent event) {
+        if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
+            accel[0] = -event.values[1] / SensorManager.GRAVITY_EARTH;
+            accel[1] = event.values[0] / SensorManager.GRAVITY_EARTH;
+            accel[2] = -event.values[2] / SensorManager.GRAVITY_EARTH;
+        }
+
+        if (event.sensor.getType() == Sensor.TYPE_GYROSCOPE) {
+            // Investigate why sensor value is off by 12x
+            gyro[0] = event.values[1] / 12.0f;
+            gyro[1] = -event.values[0] / 12.0f;
+            gyro[2] = event.values[2] / 12.0f;
+        }
+
+        // Only update state on accelerometer data
+        if (event.sensor.getType() != Sensor.TYPE_ACCELEROMETER) {
+            return;
+        }
+
+        long delta_timestamp = (event.timestamp - motionTimestamp) / 1000;
+        motionTimestamp = event.timestamp;
+        NativeLibrary.onGamePadMotionEvent(NativeLibrary.Player1Device, delta_timestamp, gyro[0], gyro[1], gyro[2], accel[0], accel[1], accel[2]);
+        NativeLibrary.onGamePadMotionEvent(NativeLibrary.ConsoleDevice, delta_timestamp, gyro[0], gyro[1], gyro[2], accel[0], accel[1], accel[2]);
+    }
+
+    @Override
+    public void onAccuracyChanged(Sensor sensor, int i) {
+    }
+
     private void addOverlayControls(String orientation) {
         if (mPreferences.getBoolean("buttonToggle0", true)) {
             overlayButtons.add(initializeOverlayButton(getContext(), R.drawable.button_a,

src/android/app/src/main/jni/emu_window/emu_window.cpp

@@ -11,12 +11,12 @@ void EmuWindow_Android::OnSurfaceChanged(ANativeWindow* surface) {
 }
 
 void EmuWindow_Android::OnTouchPressed(int id, float x, float y) {
-    const auto [touch_x,touch_y]=MapToTouchScreen(x,y);
+    const auto [touch_x, touch_y] = MapToTouchScreen(x, y);
     input_subsystem->GetTouchScreen()->TouchPressed(touch_x, touch_y, id);
 }
 
 void EmuWindow_Android::OnTouchMoved(int id, float x, float y) {
-    const auto [touch_x,touch_y]=MapToTouchScreen(x,y);
+    const auto [touch_x, touch_y] = MapToTouchScreen(x, y);
     input_subsystem->GetTouchScreen()->TouchMoved(touch_x, touch_y, id);
 }
 
@@ -29,21 +29,19 @@ void EmuWindow_Android::OnGamepadButtonEvent(int player_index, int button_id, bo
 }
 
 void EmuWindow_Android::OnGamepadJoystickEvent(int player_index, int stick_id, float x, float y) {
-    input_subsystem->GetVirtualGamepad()->SetStickPosition(
-            player_index, stick_id, x, y);
+    input_subsystem->GetVirtualGamepad()->SetStickPosition(player_index, stick_id, x, y);
 }
 
-void EmuWindow_Android::OnGamepadMotionEvent(int player_index, u64 delta_timestamp, float gyro_x, float gyro_y,
-                                             float gyro_z, float accel_x, float accel_y,
-                                             float accel_z) {
-    // TODO:
-    //  input_subsystem->GetVirtualGamepad()->SetMotionState(player_index, delta_timestamp, gyro_x, gyro_y,
-    //                                                     gyro_z, accel_x, accel_y, accel_z);
+void EmuWindow_Android::OnGamepadMotionEvent(int player_index, u64 delta_timestamp, float gyro_x,
+                                             float gyro_y, float gyro_z, float accel_x,
+                                             float accel_y, float accel_z) {
+    input_subsystem->GetVirtualGamepad()->SetMotionState(player_index, delta_timestamp, gyro_x,
+                                                         gyro_y, gyro_z, accel_x, accel_y, accel_z);
 }
 
 EmuWindow_Android::EmuWindow_Android(InputCommon::InputSubsystem* input_subsystem_,
                                      ANativeWindow* surface_)
-        : input_subsystem{input_subsystem_} {
+    : input_subsystem{input_subsystem_} {
     LOG_INFO(Frontend, "initializing");
 
     if (!surface_) {

src/input_common/drivers/virtual_gamepad.cpp

@@ -39,6 +39,22 @@ void VirtualGamepad::SetStickPosition(std::size_t player_index, VirtualStick axi
     SetStickPosition(player_index, static_cast<int>(axis_id), x_value, y_value);
 }
 
+void VirtualGamepad::SetMotionState(std::size_t player_index, u64 delta_timestamp, float gyro_x,
+                                    float gyro_y, float gyro_z, float accel_x, float accel_y,
+                                    float accel_z) {
+    const auto identifier = GetIdentifier(player_index);
+    const BasicMotion motion_data{
+        .gyro_x = gyro_x,
+        .gyro_y = gyro_y,
+        .gyro_z = gyro_z,
+        .accel_x = accel_x,
+        .accel_y = accel_y,
+        .accel_z = accel_z,
+        .delta_timestamp = delta_timestamp,
+    };
+    SetMotion(identifier, 0, motion_data);
+}
+
 void VirtualGamepad::ResetControllers() {
     for (std::size_t i = 0; i < PlayerIndexCount; i++) {
         SetStickPosition(i, VirtualStick::Left, 0.0f, 0.0f);

src/input_common/drivers/virtual_gamepad.h

@@ -52,7 +52,7 @@ public:
     void SetButtonState(std::size_t player_index, VirtualButton button_id, bool value);
 
     /**
-     * Sets the status of all buttons bound with the key to released
+     * Sets the status of a stick to a specific player index
      * @param player_index the player number that will take this action
      * @param axis_id the id of the axis to move
      * @param x_value the position of the stick in the x axis
@@ -62,6 +62,16 @@ public:
     void SetStickPosition(std::size_t player_index, VirtualStick axis_id, float x_value,
                           float y_value);
 
+    /**
+     * Sets the status of the motion sensor to a specific player index
+     * @param player_index the player number that will take this action
+     * @param delta_timestamp time passed since last reading
+     * @param gyro_x,gyro_y,gyro_z the gyro sensor readings
+     * @param accel_x,accel_y,accel_z the acelerometer reading
+     */
+    void SetMotionState(std::size_t player_index, u64 delta_timestamp, float gyro_x, float gyro_y,
+                        float gyro_z, float accel_x, float accel_y, float accel_z);
+
     /// Restores all inputs into the neutral position
     void ResetControllers();