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      1 /*******************************************************************************
      2  * Copyright 2011 See AUTHORS file.
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *   http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  ******************************************************************************/
     16 
     17 package com.badlogic.gdx.controllers.android;
     18 
     19 import android.view.InputDevice;
     20 import android.view.InputDevice.MotionRange;
     21 
     22 import com.badlogic.gdx.controllers.ControlType;
     23 import com.badlogic.gdx.controllers.Controller;
     24 import com.badlogic.gdx.controllers.ControllerListener;
     25 import com.badlogic.gdx.controllers.PovDirection;
     26 import com.badlogic.gdx.math.Vector3;
     27 import com.badlogic.gdx.utils.Array;
     28 import com.badlogic.gdx.utils.GdxRuntimeException;
     29 import com.badlogic.gdx.utils.IntFloatMap;
     30 import com.badlogic.gdx.utils.IntIntMap;
     31 
     32 public class AndroidController implements Controller {
     33 	private final int deviceId;
     34 	private boolean attached;
     35 	private final String name;
     36 	protected final IntIntMap buttons = new IntIntMap();
     37 	protected final float[] axes;
     38 	protected final int[] axesIds;
     39 	private final Array<ControllerListener> listeners = new Array<ControllerListener>();
     40 
     41 	public AndroidController(int deviceId, String name) {
     42 		this.deviceId = deviceId;
     43 		this.name = name;
     44 
     45 		InputDevice device = InputDevice.getDevice(deviceId);
     46 		int numAxes = 0;
     47 		for (MotionRange range : device.getMotionRanges()) {
     48 			if ((range.getSource() & InputDevice.SOURCE_CLASS_JOYSTICK) != 0) {
     49 				numAxes += 1;
     50 			}
     51 		}
     52 
     53 		axesIds = new int[numAxes];
     54 		axes = new float[numAxes];
     55 		int i = 0;
     56 		for (MotionRange range : device.getMotionRanges()) {
     57 			if ((range.getSource() & InputDevice.SOURCE_CLASS_JOYSTICK) != 0) {
     58 				axesIds[i++] = range.getAxis();
     59 			}
     60 		}
     61 	}
     62 
     63 	public boolean isAttached () {
     64 		return attached;
     65 	}
     66 
     67 	public void setAttached (boolean attached) {
     68 		this.attached = attached;
     69 	}
     70 
     71 	public int getDeviceId () {
     72 		return deviceId;
     73 	}
     74 
     75 	@Override
     76 	public boolean getSliderX (int sliderIndex) {
     77 		return false;
     78 	}
     79 
     80 	@Override
     81 	public boolean getSliderY (int sliderIndex) {
     82 		return false;
     83 	}
     84 
     85 	@Override
     86 	public Vector3 getAccelerometer (int accelerometerIndex) {
     87 		return Vector3.Zero;
     88 	}
     89 
     90 	@Override
     91 	public void setAccelerometerSensitivity (float sensitivity) {
     92 	}
     93 
     94 	@Override
     95 	public void addListener (ControllerListener listener) {
     96 		this.listeners.add(listener);
     97 	}
     98 
     99 	@Override
    100 	public void removeListener (ControllerListener listener) {
    101 		this.listeners.removeValue(listener, true);
    102 	}
    103 
    104 	public Array<ControllerListener> getListeners() {
    105 		return this.listeners;
    106 	}
    107 
    108 	@Override
    109 	public boolean getButton (int buttonIndex) {
    110 		return buttons.containsKey(buttonIndex);
    111 	}
    112 
    113 	@Override
    114 	public float getAxis (int axisIndex) {
    115 		if(axisIndex < 0 || axisIndex >= axes.length) return 0;
    116 		return axes[axisIndex];
    117 	}
    118 
    119 	@Override
    120 	public PovDirection getPov (int povIndex) {
    121 		return PovDirection.center;
    122 	}
    123 
    124 	@Override
    125 	public String getName () {
    126 		return name;
    127 	}
    128 }