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+/*
+Bullet Continuous Collision Detection and Physics Library
+Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
+
+This software is provided 'as-is', without any express or implied warranty.
+In no event will the authors be held liable for any damages arising from the use of this software.
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it freely,
+subject to the following restrictions:
+
+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.
+2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef BT_BROADPHASE_INTERFACE_H
+#define BT_BROADPHASE_INTERFACE_H
+
+
+
+struct btDispatcherInfo;
+class btDispatcher;
+#include "btBroadphaseProxy.h"
+
+class btOverlappingPairCache;
+
+
+
+struct btBroadphaseAabbCallback
+{
+ virtual ~btBroadphaseAabbCallback() {}
+ virtual bool process(const btBroadphaseProxy* proxy) = 0;
+};
+
+
+struct btBroadphaseRayCallback : public btBroadphaseAabbCallback
+{
+ ///added some cached data to accelerate ray-AABB tests
+ btVector3 m_rayDirectionInverse;
+ unsigned int m_signs[3];
+ btScalar m_lambda_max;
+
+ virtual ~btBroadphaseRayCallback() {}
+
+protected:
+
+ btBroadphaseRayCallback() {}
+};
+
+#include "LinearMath/btVector3.h"
+
+///The btBroadphaseInterface class provides an interface to detect aabb-overlapping object pairs.
+///Some implementations for this broadphase interface include btAxisSweep3, bt32BitAxisSweep3 and btDbvtBroadphase.
+///The actual overlapping pair management, storage, adding and removing of pairs is dealt by the btOverlappingPairCache class.
+class btBroadphaseInterface
+{
+public:
+ virtual ~btBroadphaseInterface() {}
+
+ virtual btBroadphaseProxy* createProxy( const btVector3& aabbMin, const btVector3& aabbMax,int shapeType,void* userPtr, int collisionFilterGroup, int collisionFilterMask, btDispatcher* dispatcher) =0;
+ virtual void destroyProxy(btBroadphaseProxy* proxy,btDispatcher* dispatcher)=0;
+ virtual void setAabb(btBroadphaseProxy* proxy,const btVector3& aabbMin,const btVector3& aabbMax, btDispatcher* dispatcher)=0;
+ virtual void getAabb(btBroadphaseProxy* proxy,btVector3& aabbMin, btVector3& aabbMax ) const =0;
+
+ virtual void rayTest(const btVector3& rayFrom,const btVector3& rayTo, btBroadphaseRayCallback& rayCallback, const btVector3& aabbMin=btVector3(0,0,0), const btVector3& aabbMax = btVector3(0,0,0)) = 0;
+
+ virtual void aabbTest(const btVector3& aabbMin, const btVector3& aabbMax, btBroadphaseAabbCallback& callback) = 0;
+
+ ///calculateOverlappingPairs is optional: incremental algorithms (sweep and prune) might do it during the set aabb
+ virtual void calculateOverlappingPairs(btDispatcher* dispatcher)=0;
+
+ virtual btOverlappingPairCache* getOverlappingPairCache()=0;
+ virtual const btOverlappingPairCache* getOverlappingPairCache() const =0;
+
+ ///getAabb returns the axis aligned bounding box in the 'global' coordinate frame
+ ///will add some transform later
+ virtual void getBroadphaseAabb(btVector3& aabbMin,btVector3& aabbMax) const =0;
+
+ ///reset broadphase internal structures, to ensure determinism/reproducability
+ virtual void resetPool(btDispatcher* dispatcher) { (void) dispatcher; };
+
+ virtual void printStats() = 0;
+
+};
+
+#endif //BT_BROADPHASE_INTERFACE_H