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lib/haxebullet/bullet/BulletCollision/CollisionDispatch/btDefaultCollisionConfiguration.h

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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_DEFAULT_COLLISION_CONFIGURATION
+#define BT_DEFAULT_COLLISION_CONFIGURATION
+
+#include "btCollisionConfiguration.h"
+class btVoronoiSimplexSolver;
+class btConvexPenetrationDepthSolver;
+
+struct	btDefaultCollisionConstructionInfo
+{
+	btPoolAllocator*	m_persistentManifoldPool;
+	btPoolAllocator*	m_collisionAlgorithmPool;
+	int					m_defaultMaxPersistentManifoldPoolSize;
+	int					m_defaultMaxCollisionAlgorithmPoolSize;
+	int					m_customCollisionAlgorithmMaxElementSize;
+	int					m_useEpaPenetrationAlgorithm;
+
+	btDefaultCollisionConstructionInfo()
+		:m_persistentManifoldPool(0),
+		m_collisionAlgorithmPool(0),
+		m_defaultMaxPersistentManifoldPoolSize(4096),
+		m_defaultMaxCollisionAlgorithmPoolSize(4096),
+		m_customCollisionAlgorithmMaxElementSize(0),
+		m_useEpaPenetrationAlgorithm(true)
+	{
+	}
+};
+
+
+
+///btCollisionConfiguration allows to configure Bullet collision detection
+///stack allocator, pool memory allocators
+///@todo: describe the meaning
+class	btDefaultCollisionConfiguration : public btCollisionConfiguration
+{
+
+protected:
+
+	int	m_persistentManifoldPoolSize;
+	
+
+	btPoolAllocator*	m_persistentManifoldPool;
+	bool	m_ownsPersistentManifoldPool;
+
+
+	btPoolAllocator*	m_collisionAlgorithmPool;
+	bool	m_ownsCollisionAlgorithmPool;
+
+	//default penetration depth solver
+	btConvexPenetrationDepthSolver*	m_pdSolver;
+	
+	//default CreationFunctions, filling the m_doubleDispatch table
+	btCollisionAlgorithmCreateFunc*	m_convexConvexCreateFunc;
+	btCollisionAlgorithmCreateFunc*	m_convexConcaveCreateFunc;
+	btCollisionAlgorithmCreateFunc*	m_swappedConvexConcaveCreateFunc;
+	btCollisionAlgorithmCreateFunc*	m_compoundCreateFunc;
+	btCollisionAlgorithmCreateFunc*	m_compoundCompoundCreateFunc;
+	
+	btCollisionAlgorithmCreateFunc*	m_swappedCompoundCreateFunc;
+	btCollisionAlgorithmCreateFunc* m_emptyCreateFunc;
+	btCollisionAlgorithmCreateFunc* m_sphereSphereCF;
+	btCollisionAlgorithmCreateFunc* m_sphereBoxCF;
+	btCollisionAlgorithmCreateFunc* m_boxSphereCF;
+
+	btCollisionAlgorithmCreateFunc* m_boxBoxCF;
+	btCollisionAlgorithmCreateFunc*	m_sphereTriangleCF;
+	btCollisionAlgorithmCreateFunc*	m_triangleSphereCF;
+	btCollisionAlgorithmCreateFunc*	m_planeConvexCF;
+	btCollisionAlgorithmCreateFunc*	m_convexPlaneCF;
+	
+public:
+
+
+	btDefaultCollisionConfiguration(const btDefaultCollisionConstructionInfo& constructionInfo = btDefaultCollisionConstructionInfo());
+
+	virtual ~btDefaultCollisionConfiguration();
+
+		///memory pools
+	virtual btPoolAllocator* getPersistentManifoldPool()
+	{
+		return m_persistentManifoldPool;
+	}
+
+	virtual btPoolAllocator* getCollisionAlgorithmPool()
+	{
+		return m_collisionAlgorithmPool;
+	}
+
+
+	virtual btCollisionAlgorithmCreateFunc* getCollisionAlgorithmCreateFunc(int proxyType0,int proxyType1);
+
+	virtual btCollisionAlgorithmCreateFunc* getClosestPointsAlgorithmCreateFunc(int proxyType0, int proxyType1);
+
+	///Use this method to allow to generate multiple contact points between at once, between two objects using the generic convex-convex algorithm.
+	///By default, this feature is disabled for best performance.
+	///@param numPerturbationIterations controls the number of collision queries. Set it to zero to disable the feature.
+	///@param minimumPointsPerturbationThreshold is the minimum number of points in the contact cache, above which the feature is disabled
+	///3 is a good value for both params, if you want to enable the feature. This is because the default contact cache contains a maximum of 4 points, and one collision query at the unperturbed orientation is performed first.
+	///See Bullet/Demos/CollisionDemo for an example how this feature gathers multiple points.
+	///@todo we could add a per-object setting of those parameters, for level-of-detail collision detection.
+	void	setConvexConvexMultipointIterations(int numPerturbationIterations=3, int minimumPointsPerturbationThreshold = 3);
+
+	void	setPlaneConvexMultipointIterations(int numPerturbationIterations=3, int minimumPointsPerturbationThreshold = 3);
+
+};
+
+#endif //BT_DEFAULT_COLLISION_CONFIGURATION
+