/*
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* Java port of Bullet (c) 2008 Martin Dvorak <jezek2@advel.cz>
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*
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* Bullet Continuous Collision Detection and Physics Library
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* Copyright (c) 2003-2008 Erwin Coumans http://www.bulletphysics.com/
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*
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* This software is provided 'as-is', without any express or implied warranty.
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* In no event will the authors be held liable for any damages arising from
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* the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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package com.bulletphysics.collision.dispatch;
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import com.bulletphysics.collision.broadphase.BroadphaseProxy;
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import com.bulletphysics.collision.broadphase.Dispatcher;
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import com.bulletphysics.collision.broadphase.HashedOverlappingPairCache;
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/**
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*
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* @author tomrbryn
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*/
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public class PairCachingGhostObject extends GhostObject {
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HashedOverlappingPairCache hashPairCache = new HashedOverlappingPairCache();
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/**
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* This method is mainly for expert/internal use only.
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*/
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@Override
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public void addOverlappingObjectInternal(BroadphaseProxy otherProxy, BroadphaseProxy thisProxy) {
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BroadphaseProxy actualThisProxy = thisProxy != null? thisProxy : getBroadphaseHandle();
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assert(actualThisProxy != null);
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CollisionObject otherObject = (CollisionObject) otherProxy.clientObject;
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assert (otherObject != null);
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// if this linearSearch becomes too slow (too many overlapping objects) we should add a more appropriate data structure
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int index = overlappingObjects.indexOf(otherObject);
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if (index == -1) {
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overlappingObjects.add(otherObject);
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hashPairCache.addOverlappingPair(actualThisProxy, otherProxy);
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}
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}
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@Override
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public void removeOverlappingObjectInternal(BroadphaseProxy otherProxy, Dispatcher dispatcher, BroadphaseProxy thisProxy1) {
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CollisionObject otherObject = (CollisionObject)otherProxy.clientObject;
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BroadphaseProxy actualThisProxy = thisProxy1 != null? thisProxy1 : getBroadphaseHandle();
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assert(actualThisProxy != null);
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assert (otherObject != null);
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int index = overlappingObjects.indexOf(otherObject);
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if (index != -1) {
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overlappingObjects.setQuick(index, overlappingObjects.getQuick(overlappingObjects.size()-1));
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overlappingObjects.removeQuick(overlappingObjects.size()-1);
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hashPairCache.removeOverlappingPair(actualThisProxy, otherProxy, dispatcher);
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}
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}
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public HashedOverlappingPairCache getOverlappingPairCache() {
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return hashPairCache;
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}
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}
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