apple: acceleration should include gravity (libretro#17467)

Author: warmenhoven

input/drivers/cocoa_input.m

@@ -742,7 +742,6 @@ static int16_t cocoa_input_state(
 
 static void cocoa_input_free(void *data)
 {
-   unsigned i;
    cocoa_input_data_t *apple = (cocoa_input_data_t*)data;
 
    if (!apple || !data)
@@ -782,6 +781,10 @@ static bool cocoa_input_set_sensor_state(void *data, unsigned port,
             continue;
          if (!controller.motion)
             break;
+         if (action == RETRO_SENSOR_ACCELEROMETER_ENABLE && !controller.motion.hasGravityAndUserAcceleration)
+            break;
+         if (action == RETRO_SENSOR_GYROSCOPE_ENABLE && !controller.motion.hasAttitudeAndRotationRate)
+            break;
          if (controller.motion.sensorsRequireManualActivation)
          {
             /* This is a bug, we assume if you turn on/off either
@@ -827,7 +830,7 @@ static bool cocoa_input_set_sensor_state(void *data, unsigned port,
 static float cocoa_input_get_sensor_input(void *data, unsigned port, unsigned id)
 {
 #ifdef HAVE_MFI
-   if (@available(iOS 14.0, *))
+   if (@available(iOS 14.0, macOS 11.0, tvOS 14.0, *))
    {
       for (GCController *controller in [GCController controllers])
       {
@@ -838,11 +841,11 @@ static float cocoa_input_get_sensor_input(void *data, unsigned port, unsigned id
          switch (id)
          {
             case RETRO_SENSOR_ACCELEROMETER_X:
-               return controller.motion.userAcceleration.x;
+               return controller.motion.acceleration.x;
             case RETRO_SENSOR_ACCELEROMETER_Y:
-               return controller.motion.userAcceleration.y;
+               return controller.motion.acceleration.y;
             case RETRO_SENSOR_ACCELEROMETER_Z:
-               return controller.motion.userAcceleration.z;
+               return controller.motion.acceleration.z;
             case RETRO_SENSOR_GYROSCOPE_X:
                return controller.motion.rotationRate.x;
             case RETRO_SENSOR_GYROSCOPE_Y:
@@ -860,11 +863,11 @@ static float cocoa_input_get_sensor_input(void *data, unsigned port, unsigned id
       switch (id)
       {
          case RETRO_SENSOR_ACCELEROMETER_X:
-            return motionManager.deviceMotion.userAcceleration.x;
+            return motionManager.deviceMotion.gravity.x + motionManager.deviceMotion.userAcceleration.x;
          case RETRO_SENSOR_ACCELEROMETER_Y:
-            return motionManager.deviceMotion.userAcceleration.y;
+            return motionManager.deviceMotion.gravity.y + motionManager.deviceMotion.userAcceleration.y;
          case RETRO_SENSOR_ACCELEROMETER_Z:
-            return motionManager.deviceMotion.userAcceleration.z;
+            return motionManager.deviceMotion.gravity.z + motionManager.deviceMotion.userAcceleration.z;
          case RETRO_SENSOR_GYROSCOPE_X:
             return motionManager.deviceMotion.rotationRate.x;
          case RETRO_SENSOR_GYROSCOPE_Y: