1 /*
2  * Copyright (c) 2009-2010 jMonkeyEngine
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are
7  * met:
8  *
9  * * Redistributions of source code must retain the above copyright
10  *   notice, this list of conditions and the following disclaimer.
11  *
12  * * Redistributions in binary form must reproduce the above copyright
13  *   notice, this list of conditions and the following disclaimer in the
14  *   documentation and/or other materials provided with the distribution.
15  *
16  * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
17  *   may be used to endorse or promote products derived from this software
18  *   without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 package com.jme3.bullet.collision;
33 
34 import com.bulletphysics.collision.narrowphase.ManifoldPoint;
35 import java.util.concurrent.ConcurrentLinkedQueue;
36 
37 /**
38  *
39  * @author normenhansen
40  */
41 public class PhysicsCollisionEventFactory {
42 
43     private ConcurrentLinkedQueue<PhysicsCollisionEvent> eventBuffer = new ConcurrentLinkedQueue<PhysicsCollisionEvent>();
44 
getEvent(int type, PhysicsCollisionObject source, PhysicsCollisionObject nodeB, ManifoldPoint cp)45     public PhysicsCollisionEvent getEvent(int type, PhysicsCollisionObject source, PhysicsCollisionObject nodeB, ManifoldPoint cp) {
46         PhysicsCollisionEvent event = eventBuffer.poll();
47         if (event == null) {
48             event = new PhysicsCollisionEvent(type, source, nodeB, cp);
49         }else{
50             event.refactor(type, source, nodeB, cp);
51         }
52         return event;
53     }
54 
recycle(PhysicsCollisionEvent event)55     public void recycle(PhysicsCollisionEvent event) {
56         event.clean();
57         eventBuffer.add(event);
58     }
59 }
60