108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
/*
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Bullet Continuous Collision Detection and Physics Library
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Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
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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 the use of this software.
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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 freely,
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subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be 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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#ifndef SIMPLE_BROADPHASE_H
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#define SIMPLE_BROADPHASE_H
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#include "btOverlappingPairCache.h"
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struct btSimpleBroadphaseProxy : public btBroadphaseProxy
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{
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btVector3 m_min;
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btVector3 m_max;
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btSimpleBroadphaseProxy() {};
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btSimpleBroadphaseProxy(const btPoint3& minpt,const btPoint3& maxpt,int shapeType,void* userPtr,short int collisionFilterGroup,short int collisionFilterMask)
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:btBroadphaseProxy(userPtr,collisionFilterGroup,collisionFilterMask),
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m_min(minpt),m_max(maxpt)
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{
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(void)shapeType;
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}
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};
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///SimpleBroadphase is a brute force aabb culling broadphase based on O(n^2) aabb checks
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class btSimpleBroadphase : public btBroadphaseInterface
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{
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protected:
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btSimpleBroadphaseProxy* m_proxies;
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int* m_freeProxies;
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int m_firstFreeProxy;
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btSimpleBroadphaseProxy** m_pProxies;
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int m_numProxies;
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btOverlappingPairCache* m_pairCache;
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bool m_ownsPairCache;
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int m_invalidPair;
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int m_maxProxies;
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inline btSimpleBroadphaseProxy* getSimpleProxyFromProxy(btBroadphaseProxy* proxy)
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{
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btSimpleBroadphaseProxy* proxy0 = static_cast<btSimpleBroadphaseProxy*>(proxy);
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return proxy0;
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}
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void validate();
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protected:
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public:
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btSimpleBroadphase(int maxProxies=16384,btOverlappingPairCache* overlappingPairCache=0);
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virtual ~btSimpleBroadphase();
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static bool aabbOverlap(btSimpleBroadphaseProxy* proxy0,btSimpleBroadphaseProxy* proxy1);
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virtual btBroadphaseProxy* createProxy( const btVector3& aabbMin, const btVector3& aabbMax,int shapeType,void* userPtr ,short int collisionFilterGroup,short int collisionFilterMask);
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virtual void calculateOverlappingPairs();
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virtual void destroyProxy(btBroadphaseProxy* proxy);
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virtual void setAabb(btBroadphaseProxy* proxy,const btVector3& aabbMin,const btVector3& aabbMax);
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btOverlappingPairCache* getOverlappingPairCache()
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{
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return m_pairCache;
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}
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const btOverlappingPairCache* getOverlappingPairCache() const
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{
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return m_pairCache;
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}
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bool testAabbOverlap(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1);
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};
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#endif //SIMPLE_BROADPHASE_H
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