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[Android] Fixes bug 2217, better joystick axes handling on Android.

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This commit is contained in:
Gabriel Jacobo 2013-11-11 10:15:35 -03:00
parent f0692d656f
commit 45a88b6ade
2 changed files with 78 additions and 36 deletions
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100
android-project/src/org/libsdl/app/SDLActivity.java
View File

@ -433,6 +433,10 @@ public class SDLActivity extends Activity {
return mJoystickHandler.getJoystickAxes(joy);
}
public static boolean handleJoystickMotionEvent(MotionEvent event) {
return mJoystickHandler.handleMotionEvent(event);
}
/**
* @param devId the device id to get opened joystick id for.
* @return joystick id for device id or -1 if there is none.
@ -840,51 +844,98 @@ class SDLJoystickHandler {
public int getJoyId(int devId) {
return -1;
}
public boolean handleMotionEvent(MotionEvent event) {
return false;
}
}
/* Actual joystick functionality available for API >= 12 devices */
class SDLJoystickHandler_API12 extends SDLJoystickHandler {
private ArrayList<Integer> mJoyIdList;
// Create a list of valid ID's the first time this function is called
private void createJoystickList() {
if(mJoyIdList != null) {
return;
class SDLJoystick {
public int id;
public String name;
public ArrayList<InputDevice.MotionRange> axes;
}
mJoyIdList = new ArrayList<Integer>();
private ArrayList<SDLJoystick> mJoysticks;
public SDLJoystickHandler_API12() {
/* FIXME: Move the joystick initialization code to its own function and support hotplugging of devices */
mJoysticks = new ArrayList<SDLJoystick>();
int[] deviceIds = InputDevice.getDeviceIds();
for(int i=0; i<deviceIds.length; i++) {
if( (InputDevice.getDevice(deviceIds[i]).getSources() & InputDevice.SOURCE_CLASS_JOYSTICK) != 0) {
mJoyIdList.add(Integer.valueOf(deviceIds[i]));
SDLJoystick joystick = new SDLJoystick();
InputDevice joystickDevice = InputDevice.getDevice(deviceIds[i]);
if( (joystickDevice.getSources() & InputDevice.SOURCE_CLASS_JOYSTICK) != 0) {
joystick.id = deviceIds[i];
joystick.name = joystickDevice.getName();
joystick.axes = new ArrayList<InputDevice.MotionRange>();
for (InputDevice.MotionRange range : joystickDevice.getMotionRanges()) {
if ( (range.getSource() & InputDevice.SOURCE_CLASS_JOYSTICK) != 0) {
joystick.axes.add(range);
}
}
mJoysticks.add(joystick);
}
}
}
@Override
public int getNumJoysticks() {
createJoystickList();
return mJoyIdList.size();
return mJoysticks.size();
}
@Override
public String getJoystickName(int joy) {
createJoystickList();
return InputDevice.getDevice(mJoyIdList.get(joy).intValue()).getName();
return mJoysticks.get(joy).name;
}
@Override
public int getJoystickAxes(int joy) {
createJoystickList();
return InputDevice.getDevice(mJoyIdList.get(joy).intValue()).getMotionRanges().size();
return mJoysticks.get(joy).axes.size();
}
@Override
public int getJoyId(int devId) {
createJoystickList();
return mJoyIdList.indexOf(Integer.valueOf(devId));
for(int i=0; i < mJoysticks.size(); i++) {
if (mJoysticks.get(i).id == devId) {
return i;
}
}
return -1;
}
@Override
public boolean handleMotionEvent(MotionEvent event) {
if ( (event.getSource() & InputDevice.SOURCE_JOYSTICK) != 0) {
int actionPointerIndex = event.getActionIndex();
int action = event.getActionMasked();
switch(action) {
case MotionEvent.ACTION_MOVE:
int id = getJoyId( event.getDeviceId() );
if ( id != -1 ) {
SDLJoystick joystick = mJoysticks.get(id);
for (int i = 0; i < joystick.axes.size(); i++) {
InputDevice.MotionRange range = joystick.axes.get(i);
/* Normalize the value to -1...1 */
float value = ( event.getAxisValue( range.getAxis(), actionPointerIndex) - range.getMin() ) / range.getRange() * 2.0f - 1.0f;
SDLActivity.onNativeJoy(id, i, value );
}
}
break;
default:
break;
}
}
return true;
}
}
class SDLGenericMotionListener_API12 implements View.OnGenericMotionListener {
@ -892,21 +943,6 @@ class SDLGenericMotionListener_API12 implements View.OnGenericMotionListener {
// We only have joysticks yet
@Override
public boolean onGenericMotion(View v, MotionEvent event) {
if ( (event.getSource() & InputDevice.SOURCE_JOYSTICK) != 0) {
int actionPointerIndex = event.getActionIndex();
int action = event.getActionMasked();
switch(action) {
case MotionEvent.ACTION_MOVE:
int id = SDLActivity.getJoyId( event.getDeviceId() );
if (id != -1) {
float x = event.getAxisValue(MotionEvent.AXIS_X, actionPointerIndex);
float y = event.getAxisValue(MotionEvent.AXIS_Y, actionPointerIndex);
SDLActivity.onNativeJoy(id, 0, x);
SDLActivity.onNativeJoy(id, 1, y);
}
break;
}
}
return true;
return SDLActivity.handleJoystickMotionEvent(event);
}
}

10
src/joystick/android/SDL_sysjoystick.c
View File

@ -308,7 +308,10 @@ SDL_JoystickGUID SDL_SYS_JoystickGetGUID(SDL_Joystick * joystick)
int
Android_OnPadDown(int padId, int keycode)
{
SDL_PrivateJoystickButton(SYS_Joysticks[padId], keycode_to_SDL(keycode), SDL_PRESSED);
int button = keycode_to_SDL(keycode);
if (button >= 0) {
SDL_PrivateJoystickButton(SYS_Joysticks[padId], button , SDL_PRESSED);
}
return 0;
}
@ -316,7 +319,10 @@ Android_OnPadDown(int padId, int keycode)
int
Android_OnPadUp(int padId, int keycode)
{
SDL_PrivateJoystickButton(SYS_Joysticks[padId], keycode_to_SDL(keycode), SDL_RELEASED);
int button = keycode_to_SDL(keycode);
if (button >= 0) {
SDL_PrivateJoystickButton(SYS_Joysticks[padId], button, SDL_RELEASED);
}
return 0;
}