/*
* Copyright (c) 2009-2012 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.input.ios;
import com.jme3.input.event.InputEvent;
import com.jme3.input.event.MouseButtonEvent;
import com.jme3.input.event.MouseMotionEvent;
import com.jme3.input.event.TouchEvent;
import static com.jme3.input.event.TouchEvent.Type.DOWN;
import static com.jme3.input.event.TouchEvent.Type.MOVE;
import static com.jme3.input.event.TouchEvent.Type.UP;
import com.jme3.math.Vector2f;
import java.util.HashMap;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* AndroidTouchHandler is the base class that receives touch inputs from the
* Android system and creates the TouchEvents for jME. This class is designed
* to handle the base touch events for Android rev 9 (Android 2.3). This is
* extended by other classes to add features that were introducted after
* Android rev 9.
*
* @author iwgeric
*/
public class IosTouchHandler {
private static final Logger logger = Logger.getLogger(IosTouchHandler.class.getName());
final private HashMap<Integer, Vector2f> lastPositions = new HashMap<Integer, Vector2f>();
protected int numPointers = 1;
protected IosInputHandler iosInput;
public IosTouchHandler(IosInputHandler iosInput) {
this.iosInput = iosInput;
}
public void initialize() {
}
public void destroy() {
}
public void actionDown(int pointerId, long time, float x, float y) {
logger.log(Level.FINE, "Inject input pointer: {0}, time: {1}, x: {2}, y: {3}",
new Object[]{pointerId, time, x, y});
float jmeX = iosInput.getJmeX(x);
float jmeY = iosInput.invertY(iosInput.getJmeY(y));
TouchEvent touch = iosInput.getFreeTouchEvent();
touch.set(TouchEvent.Type.DOWN, jmeX, jmeY, 0, 0);
touch.setPointerId(pointerId);//TODO: pointer ID
touch.setTime(time);
touch.setPressure(1.0f);
//touch.setPressure(event.getPressure(pointerIndex)); //TODO: preassure
lastPositions.put(pointerId, new Vector2f(jmeX, jmeY));
processEvent(touch);
}
public void actionUp(int pointerId, long time, float x, float y) {
float jmeX = iosInput.getJmeX(x);
float jmeY = iosInput.invertY(iosInput.getJmeY(y));
TouchEvent touch = iosInput.getFreeTouchEvent();
touch.set(TouchEvent.Type.UP, jmeX, jmeY, 0, 0);
touch.setPointerId(pointerId);//TODO: pointer ID
touch.setTime(time);
touch.setPressure(1.0f);
//touch.setPressure(event.getPressure(pointerIndex)); //TODO: preassure
lastPositions.remove(pointerId);
processEvent(touch);
}
public void actionMove(int pointerId, long time, float x, float y) {
float jmeX = iosInput.getJmeX(x);
float jmeY = iosInput.invertY(iosInput.getJmeY(y));
Vector2f lastPos = lastPositions.get(pointerId);
if (lastPos == null) {
lastPos = new Vector2f(jmeX, jmeY);
lastPositions.put(pointerId, lastPos);
}
float dX = jmeX - lastPos.x;
float dY = jmeY - lastPos.y;
if (dX != 0 || dY != 0) {
TouchEvent touch = iosInput.getFreeTouchEvent();
touch.set(TouchEvent.Type.MOVE, jmeX, jmeY, dX, dY);
touch.setPointerId(pointerId);
touch.setTime(time);
touch.setPressure(1.0f);
//touch.setPressure(event.getPressure(p));
lastPos.set(jmeX, jmeY);
processEvent(touch);
}
}
protected void processEvent(TouchEvent event) {
// Add the touch event
iosInput.addEvent(event);
// MouseEvents do not support multi-touch, so only evaluate 1 finger pointer events
if (iosInput.isSimulateMouse() && numPointers == 1) {
InputEvent mouseEvent = generateMouseEvent(event);
if (mouseEvent != null) {
// Add the mouse event
iosInput.addEvent(mouseEvent);
}
}
}
// TODO: Ring Buffer for mouse events?
protected InputEvent generateMouseEvent(TouchEvent event) {
InputEvent inputEvent = null;
int newX;
int newY;
int newDX;
int newDY;
if (iosInput.isMouseEventsInvertX()) {
newX = (int) (iosInput.invertX(event.getX()));
newDX = (int)event.getDeltaX() * -1;
} else {
newX = (int) event.getX();
newDX = (int)event.getDeltaX();
}
if (iosInput.isMouseEventsInvertY()) {
newY = (int) (iosInput.invertY(event.getY()));
newDY = (int)event.getDeltaY() * -1;
} else {
newY = (int) event.getY();
newDY = (int)event.getDeltaY();
}
switch (event.getType()) {
case DOWN:
// Handle mouse down event
inputEvent = new MouseButtonEvent(0, true, newX, newY);
inputEvent.setTime(event.getTime());
break;
case UP:
// Handle mouse up event
inputEvent = new MouseButtonEvent(0, false, newX, newY);
inputEvent.setTime(event.getTime());
break;
case HOVER_MOVE:
case MOVE:
inputEvent = new MouseMotionEvent(newX, newY, newDX, newDY, (int)event.getScaleSpan(), (int)event.getDeltaScaleSpan());
inputEvent.setTime(event.getTime());
break;
}
return inputEvent;
}
}