Merge pull request #8088 from BastiaanOlij/android_gravity_2.1

Android gravity vector Godot 2.1

platform/android/godot_android.cpp

@@ -295,6 +295,7 @@ struct engine {
 
 	ASensorManager *sensorManager;
 	const ASensor *accelerometerSensor;
+	const ASensor *gravitySensor;
 	const ASensor *magnetometerSensor;
 	const ASensor *gyroscopeSensor;
 	ASensorEventQueue *sensorEventQueue;
@@ -694,6 +695,14 @@ static void engine_handle_cmd(struct android_app *app, int32_t cmd) {
 				ASensorEventQueue_setEventRate(engine->sensorEventQueue,
 						engine->accelerometerSensor, (1000L / 60) * 1000);
 			}
+			// and start monitoring our gravity vector
+			if (engine->gravitySensor != NULL) {
+				ASensorEventQueue_enableSensor(engine->sensorEventQueue,
+						engine->gravitySensor);
+				// We'd like to get 60 events per second (in us).
+				ASensorEventQueue_setEventRate(engine->sensorEventQueue,
+						engine->gravitySensor, (1000L / 60) * 1000);
+			}
 			// Also start monitoring the magnetometer.
 			if (engine->magnetometerSensor != NULL) {
 				ASensorEventQueue_enableSensor(engine->sensorEventQueue,
@@ -719,6 +728,10 @@ static void engine_handle_cmd(struct android_app *app, int32_t cmd) {
 				ASensorEventQueue_disableSensor(engine->sensorEventQueue,
 						engine->accelerometerSensor);
 			}
+			if (engine->gravitySensor != NULL) {
+				ASensorEventQueue_disableSensor(engine->sensorEventQueue,
+						engine->gravitySensor);
+			}
 			if (engine->magnetometerSensor != NULL) {
 				ASensorEventQueue_disableSensor(engine->sensorEventQueue,
 						engine->magnetometerSensor);
@@ -754,6 +767,8 @@ void android_main(struct android_app *state) {
 	engine.sensorManager = ASensorManager_getInstance();
 	engine.accelerometerSensor = ASensorManager_getDefaultSensor(engine.sensorManager,
 			ASENSOR_TYPE_ACCELEROMETER);
+	engine.gravitySensor = ASensorManager_getDefaultSensor(engine.sensorManager,
+			ASENSOR_TYPE_GRAVITY);
 	engine.magnetometerSensor = ASensorManager_getDefaultSensor(engine.sensorManager,
 			ASENSOR_TYPE_MAGNETIC_FIELD);
 	engine.gyroscopeSensor = ASensorManager_getDefaultSensor(engine.sensorManager,
@@ -795,7 +810,7 @@ void android_main(struct android_app *state) {
 			// If a sensor has data, process it now.
 			// LOGI("events\n");
 			if (ident == LOOPER_ID_USER) {
-				if (engine.accelerometerSensor != NULL || engine.magnetometerSensor != NULL || engine.gyroscopeSensor != NULL) {
+				if (engine.accelerometerSensor != NULL || engine.gravitySensor != NULL || engine.magnetometerSensor != NULL || engine.gyroscopeSensor != NULL) {
 					ASensorEvent event;
 					while (ASensorEventQueue_getEvents(engine.sensorEventQueue,
 								   &event, 1) > 0) {
@@ -805,6 +820,10 @@ void android_main(struct android_app *state) {
 								engine.os->process_accelerometer(Vector3(event.acceleration.x, event.acceleration.y,
 										event.acceleration.z));
 							}
+							if (event.gravity != NULL) {
+								engine.os->process_gravitymeter(Vector3(event.gravity.x, event.gravity.y,
+										event.gravity.z));
+							}
 							if (event.magnetic != NULL) {
 								engine.os->process_magnetometer(Vector3(event.magnetic.x, event.magnetic.y,
 										event.magnetic.z));

platform/android/java/src/org/godotengine/godot/Godot.java

@@ -216,6 +216,7 @@ public class Godot extends Activity implements SensorEventListener, IDownloaderC
 
 	private SensorManager mSensorManager;
 	private Sensor mAccelerometer;
+	private Sensor mGravity;
 	private Sensor mMagnetometer;
 	private Sensor mGyroscope;
 
@@ -405,6 +406,8 @@ public class Godot extends Activity implements SensorEventListener, IDownloaderC
 		mSensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
 		mAccelerometer = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
 		mSensorManager.registerListener(this, mAccelerometer, SensorManager.SENSOR_DELAY_GAME);
+		mGravity = mSensorManager.getDefaultSensor(Sensor.TYPE_GRAVITY);
+		mSensorManager.registerListener(this, mGravity, SensorManager.SENSOR_DELAY_GAME);
 		mMagnetometer = mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD);
 		mSensorManager.registerListener(this, mMagnetometer, SensorManager.SENSOR_DELAY_GAME);
 		mGyroscope = mSensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE);
@@ -625,6 +628,7 @@ public class Godot extends Activity implements SensorEventListener, IDownloaderC
 
 		mView.onResume();
 		mSensorManager.registerListener(this, mAccelerometer, SensorManager.SENSOR_DELAY_GAME);
+		mSensorManager.registerListener(this, mGravity, SensorManager.SENSOR_DELAY_GAME);
 		mSensorManager.registerListener(this, mMagnetometer, SensorManager.SENSOR_DELAY_GAME);
 		mSensorManager.registerListener(this, mGyroscope, SensorManager.SENSOR_DELAY_GAME);
 		GodotLib.focusin();
@@ -690,6 +694,9 @@ public class Godot extends Activity implements SensorEventListener, IDownloaderC
 		if (typeOfSensor == event.sensor.TYPE_ACCELEROMETER) {
 			GodotLib.accelerometer(x,y,z);
 		}
+		if (typeOfSensor == event.sensor.TYPE_GRAVITY) {
+			GodotLib.gravity(x,y,z);
+		}
 		if (typeOfSensor == event.sensor.TYPE_MAGNETIC_FIELD) {
 			GodotLib.magnetometer(x,y,z);
 		}

platform/android/java/src/org/godotengine/godot/GodotLib.java

@@ -51,6 +51,7 @@ public class GodotLib {
 	public static native void step();
 	public static native void touch(int what,int pointer,int howmany, int[] arr);
 	public static native void accelerometer(float x, float y, float z);
+	public static native void gravity(float x, float y, float z);
 	public static native void magnetometer(float x, float y, float z);
 	public static native void gyroscope(float x, float y, float z);
 	public static native void key(int p_scancode, int p_unicode_char, boolean p_pressed);

platform/android/java_glue.cpp

@@ -620,6 +620,7 @@ static bool resized_reload = false;
 static bool quit_request = false;
 static Size2 new_size;
 static Vector3 accelerometer;
+static Vector3 gravity;
 static Vector3 magnetometer;
 static Vector3 gyroscope;
 static HashMap<String, JNISingleton *> jni_singletons;
@@ -1051,6 +1052,8 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_step(JNIEnv *env, job
 
 	os_android->process_accelerometer(accelerometer);
 
+	os_android->process_gravitymeter(gravity);
+
 	os_android->process_magnetometer(magnetometer);
 
 	os_android->process_gyroscope(gyroscope);
@@ -1449,6 +1452,13 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_accelerometer(JNIEnv
 	input_mutex->unlock();
 }
 
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_gravity(JNIEnv *env, jobject obj, jfloat x, jfloat y, jfloat z) {
+
+	input_mutex->lock();
+	gravity = Vector3(x, y, z);
+	input_mutex->unlock();
+}
+
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_magnetometer(JNIEnv *env, jobject obj, jfloat x, jfloat y, jfloat z) {
 
 	input_mutex->lock();

platform/android/java_glue.h

@@ -48,6 +48,7 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joyhat(JNIEnv *env, j
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joyconnectionchanged(JNIEnv *env, jobject obj, jint p_device, jboolean p_connected, jstring p_name);
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_audio(JNIEnv *env, jobject obj);
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_accelerometer(JNIEnv *env, jobject obj, jfloat x, jfloat y, jfloat z);
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_gravity(JNIEnv *env, jobject obj, jfloat x, jfloat y, jfloat z);
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_magnetometer(JNIEnv *env, jobject obj, jfloat x, jfloat y, jfloat z);
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_gyroscope(JNIEnv *env, jobject obj, jfloat x, jfloat y, jfloat z);
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_focusin(JNIEnv *env, jobject obj);

platform/android/os_android.cpp

@@ -580,6 +580,11 @@ void OS_Android::process_accelerometer(const Vector3 &p_accelerometer) {
 	input->set_accelerometer(p_accelerometer);
 }
 
+void OS_Android::process_gravitymeter(const Vector3 &p_gravitymeter) {
+
+	input->set_gravity(p_gravitymeter);
+}
+
 void OS_Android::process_magnetometer(const Vector3 &p_magnetometer) {
 
 	input->set_magnetometer(p_magnetometer);

platform/android/os_android.h

@@ -238,6 +238,7 @@ public:
 	virtual String get_system_dir(SystemDir p_dir) const;
 
 	void process_accelerometer(const Vector3 &p_accelerometer);
+	void process_gravitymeter(const Vector3 &p_gravitymeter);
 	void process_magnetometer(const Vector3 &p_magnetometer);
 	void process_gyroscope(const Vector3 &p_gyroscope);
 	void process_touch(int p_what, int p_pointer, const Vector<TouchPos> &p_points);