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com.badlogic.gdx.controllers.android.AndroidControllers Maven / Gradle / Ivy
/*******************************************************************************
* Copyright 2011 See AUTHORS file.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package com.badlogic.gdx.controllers.android;
import android.view.InputDevice;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnGenericMotionListener;
import android.view.View.OnKeyListener;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.LifecycleListener;
import com.badlogic.gdx.backends.android.AndroidInput;
import com.badlogic.gdx.backends.android.AndroidInputThreePlus;
import com.badlogic.gdx.controllers.Controller;
import com.badlogic.gdx.controllers.ControllerListener;
import com.badlogic.gdx.controllers.ControllerManager;
import com.badlogic.gdx.controllers.PovDirection;
import com.badlogic.gdx.utils.Array;
import com.badlogic.gdx.utils.IntMap;
import com.badlogic.gdx.utils.IntMap.Entry;
import com.badlogic.gdx.utils.Pool;
public class AndroidControllers implements LifecycleListener, ControllerManager, OnKeyListener, OnGenericMotionListener {
private final static String TAG = "AndroidControllers";
private final IntMap controllerMap = new IntMap();
private final Array controllers = new Array();
private final Array listeners = new Array();
private final Array eventQueue = new Array();
private final Pool eventPool = new Pool() {
@Override
protected AndroidControllerEvent newObject () {
return new AndroidControllerEvent();
}
};
public AndroidControllers() {
Gdx.app.addLifecycleListener(this);
gatherControllers(false);
setupEventQueue();
((AndroidInput)Gdx.input).addKeyListener(this);
((AndroidInputThreePlus)Gdx.input).addGenericMotionListener(this);
// use InputManager on Android +4.1 to receive (dis-)connect events
if(Gdx.app.getVersion() >= 16) {
try {
String className = "com.badlogic.gdx.controllers.android.ControllerLifeCycleListener";
Class.forName(className).getConstructor(AndroidControllers.class).newInstance(this);
} catch(Exception e) {
Gdx.app.log(TAG, "Couldn't register controller life-cycle listener");
}
}
}
private void setupEventQueue() {
new Runnable() {
@SuppressWarnings("synthetic-access")
@Override
public void run () {
synchronized(eventQueue) {
for(AndroidControllerEvent event: eventQueue) {
switch(event.type) {
case AndroidControllerEvent.CONNECTED:
controllers.add(event.controller);
for(ControllerListener listener: listeners) {
listener.connected(event.controller);
}
break;
case AndroidControllerEvent.DISCONNECTED:
controllers.removeValue(event.controller, true);
for(ControllerListener listener: listeners) {
listener.disconnected(event.controller);
}
for(ControllerListener listener: event.controller.getListeners()) {
listener.disconnected(event.controller);
}
break;
case AndroidControllerEvent.BUTTON_DOWN:
event.controller.buttons.put(event.code, event.code);
for(ControllerListener listener: listeners) {
if(listener.buttonDown(event.controller, event.code)) break;
}
for(ControllerListener listener: event.controller.getListeners()) {
if(listener.buttonDown(event.controller, event.code)) break;
}
break;
case AndroidControllerEvent.BUTTON_UP:
event.controller.buttons.remove(event.code, 0);
for(ControllerListener listener: listeners) {
if(listener.buttonUp(event.controller, event.code)) break;
}
for(ControllerListener listener: event.controller.getListeners()) {
if(listener.buttonUp(event.controller, event.code)) break;
}
break;
case AndroidControllerEvent.AXIS:
event.controller.axes[event.code] = event.axisValue;
for(ControllerListener listener: listeners) {
if(listener.axisMoved(event.controller, event.code, event.axisValue)) break;
}
for(ControllerListener listener: event.controller.getListeners()) {
if(listener.axisMoved(event.controller, event.code, event.axisValue)) break;
}
break;
case AndroidControllerEvent.POV:
for (ControllerListener listener : listeners) {
if (listener.povMoved(event.controller, 0, event.povDirection)) break;
}
for (ControllerListener listener : event.controller.getListeners()) {
if (listener.povMoved(event.controller, 0, event.povDirection)) break;
}
break;
default:
}
}
eventPool.freeAll(eventQueue);
eventQueue.clear();
}
Gdx.app.postRunnable(this);
}
}.run();
}
@Override
public boolean onGenericMotion (View view, MotionEvent motionEvent) {
if((motionEvent.getSource() & InputDevice.SOURCE_CLASS_JOYSTICK) == 0) return false;
AndroidController controller = controllerMap.get(motionEvent.getDeviceId());
if(controller != null) {
synchronized(eventQueue) {
final int historySize = motionEvent.getHistorySize();
if (controller.hasPovAxis()) {
int direction = 0;
float povX = motionEvent.getAxisValue(MotionEvent.AXIS_HAT_X);
float povY = motionEvent.getAxisValue(MotionEvent.AXIS_HAT_Y);
if (Float.compare(povY, -1.0f) == 0) {
direction |= 0x00000001;
} else if (Float.compare(povY, 1.0f) == 0) {
direction |= 0x00000010;
}
if (Float.compare(povX, 1.0f) == 0) {
direction |= 0x00000100;
} else if (Float.compare(povX, -1.0f) == 0) {
direction |= 0x00001000;
}
if (direction != controller.pov) {
controller.pov = direction;
AndroidControllerEvent event = eventPool.obtain();
event.type = AndroidControllerEvent.POV;
event.controller = controller;
event.povDirection = controller.getPov(0);
eventQueue.add(event);
}
}
int axisIndex = 0;
for (int axisId: controller.axesIds) {
float axisValue = motionEvent.getAxisValue(axisId);
if(controller.getAxis(axisIndex) == axisValue) {
axisIndex++;
continue;
}
AndroidControllerEvent event = eventPool.obtain();
event.type = AndroidControllerEvent.AXIS;
event.controller = controller;
event.code = axisIndex;
event.axisValue = axisValue;
eventQueue.add(event);
axisIndex++;
}
}
return true;
}
return false;
}
@Override
public boolean onKey (View view, int keyCode, KeyEvent keyEvent) {
AndroidController controller = controllerMap.get(keyEvent.getDeviceId());
if(controller != null) {
if(controller.getButton(keyCode) && keyEvent.getAction() == KeyEvent.ACTION_DOWN) {
return true;
}
synchronized(eventQueue) {
AndroidControllerEvent event = eventPool.obtain();
event.controller = controller;
if(keyEvent.getAction() == KeyEvent.ACTION_DOWN) {
if (keyCode == KeyEvent.KEYCODE_DPAD_UP) {
event.type = AndroidControllerEvent.POV;
controller.pov |= 0x00000001;
event.povDirection = controller.getPov(0);
} else if (keyCode == KeyEvent.KEYCODE_DPAD_DOWN) {
event.type = AndroidControllerEvent.POV;
controller.pov |= 0x00000010;
event.povDirection = controller.getPov(0);
} else if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
event.type = AndroidControllerEvent.POV;
controller.pov |= 0x00000100;
event.povDirection = controller.getPov(0);
} else if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
event.type = AndroidControllerEvent.POV;
controller.pov |= 0x00001000;
event.povDirection = controller.getPov(0);
} else {
event.type = AndroidControllerEvent.BUTTON_DOWN;
event.code = keyCode;
}
} else {
if (keyCode == KeyEvent.KEYCODE_DPAD_UP) {
event.type = AndroidControllerEvent.POV;
controller.pov &= 0x00001110;
event.povDirection = controller.getPov(0);
} else if (keyCode == KeyEvent.KEYCODE_DPAD_DOWN) {
event.type = AndroidControllerEvent.POV;
controller.pov &= 0x00001101;
event.povDirection = controller.getPov(0);
} else if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
event.type = AndroidControllerEvent.POV;
controller.pov &= 0x00001011;
event.povDirection = controller.getPov(0);
} else if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
event.type = AndroidControllerEvent.POV;
controller.pov &= 0x00000111;
event.povDirection = controller.getPov(0);
} else {
event.type = AndroidControllerEvent.BUTTON_UP;
event.code = keyCode;
}
}
eventQueue.add(event);
}
if (keyCode == KeyEvent.KEYCODE_BACK && !Gdx.input.isCatchBackKey()) {
return false;
}
return true;
} else {
return false;
}
}
private void gatherControllers(boolean sendEvent) {
// gather all joysticks and gamepads, remove any disconnected ones
IntMap removedControllers = new IntMap();
removedControllers.putAll(controllerMap);
for(int deviceId: InputDevice.getDeviceIds()) {
InputDevice device = InputDevice.getDevice(deviceId);
AndroidController controller = controllerMap.get(deviceId);
if(controller != null) {
removedControllers.remove(deviceId);
} else {
addController(deviceId, sendEvent);
}
}
for(Entry entry: removedControllers.entries()) {
removeController(entry.key);
}
}
protected void addController(int deviceId, boolean sendEvent) {
InputDevice device = InputDevice.getDevice(deviceId);
if(!isController(device)) return;
String name = device.getName();
AndroidController controller = new AndroidController(deviceId, name);
controllerMap.put(deviceId, controller);
if(sendEvent) {
synchronized(eventQueue) {
AndroidControllerEvent event = eventPool.obtain();
event.type = AndroidControllerEvent.CONNECTED;
event.controller = controller;
eventQueue.add(event);
}
} else {
controllers.add(controller);
}
Gdx.app.log(TAG, "added controller '" + name + "'");
}
protected void removeController(int deviceId) {
AndroidController controller = controllerMap.remove(deviceId);
if(controller != null) {
synchronized(eventQueue) {
AndroidControllerEvent event = eventPool.obtain();
event.type = AndroidControllerEvent.DISCONNECTED;
event.controller = controller;
eventQueue.add(event);
}
Gdx.app.log(TAG, "removed controller '" + controller.getName() + "'");
}
}
private boolean isController(InputDevice device) {
return (device.getSources() & InputDevice.SOURCE_JOYSTICK) != 0;
}
@Override
public Array getControllers () {
return controllers;
}
@Override
public void addListener (ControllerListener listener) {
synchronized(eventQueue) {
listeners.add(listener);
}
}
@Override
public void removeListener (ControllerListener listener) {
synchronized(eventQueue) {
listeners.removeValue(listener, true);
}
}
@Override
public void pause () {
Gdx.app.log(TAG, "controllers paused");
}
@Override
public void resume () {
gatherControllers(true);
Gdx.app.log(TAG, "controllers resumed");
}
@Override
public void dispose () {
}
@Override
public void clearListeners () {
listeners.clear();
}
@Override
public Array getListeners () {
return listeners;
}
}
