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Fixed bug 1368 - Enabling joystick subsystem cause an infinite loop

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morgan.devel@gmail.com 2012-01-13 00:32:23 PST

The android version of SDL_SYS_JoystickUpdate doesn't check if there is
actually new data and always generate the SDL_JOYAXISMOTION event.
Consequently, doing a while(SDL_PollEvent()) will result in an endless loop.

The attached patch fix this issue.

It also scale the incoming values properly in the Sint16 range. The scale from
[-gravity;+gravity] is done directly in the java part because one may want to
map the sensor values with a non-linear method for example.
This commit is contained in:
Sam Lantinga 2012-01-13 20:57:35 -05:00
parent 3fe05cfb55
commit 40c6294290
4 changed files with 26 additions and 13 deletions
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6
android-project/src/org/libsdl/app/SDLActivity.java
View file

@ -565,9 +565,9 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
public void onSensorChanged(SensorEvent event) {
if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
SDLActivity.onNativeAccel(event.values[0],
event.values[1],
event.values[2]);
SDLActivity.onNativeAccel(event.values[0] / SensorManager.GRAVITY_EARTH,
event.values[1] / SensorManager.GRAVITY_EARTH,
event.values[2] / SensorManager.GRAVITY_EARTH);
}
}