added configuration files for collision detection.

this allows to use different collision algorithms by default, and avoid linkage issues.

src/BulletCollision/CollisionDispatch/btDefaultCollisionConfiguration.cpp

@@ -0,0 +1,112 @@
+
+/*
+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.
+*/
+
+#include "btDefaultCollisionConfiguration.h"
+
+#include "BulletCollision/CollisionDispatch/btConvexConvexAlgorithm.h"
+#include "BulletCollision/CollisionDispatch/btEmptyCollisionAlgorithm.h"
+#include "BulletCollision/CollisionDispatch/btConvexConcaveCollisionAlgorithm.h"
+#include "BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.h"
+
+btDefaultCollisionConfiguration::btDefaultCollisionConfiguration()
+:m_persistentManifoldPoolSize(16384),
+m_stackAllocatorSize(2*1024*1024),
+m_collisionAlgorithmPoolSize(16384),
+m_collisionAlgorithmMaxElementSize(0)
+{
+
+	//default CreationFunctions, filling the m_doubleDispatch table
+	m_convexConvexCreateFunc = new btConvexConvexAlgorithm::CreateFunc;
+	m_convexConcaveCreateFunc = new btConvexConcaveCollisionAlgorithm::CreateFunc;
+	m_swappedConvexConcaveCreateFunc = new btConvexConcaveCollisionAlgorithm::SwappedCreateFunc;
+	m_compoundCreateFunc = new btCompoundCollisionAlgorithm::CreateFunc;
+	m_swappedCompoundCreateFunc = new btCompoundCollisionAlgorithm::SwappedCreateFunc;
+	m_emptyCreateFunc = new btEmptyAlgorithm::CreateFunc;
+
+	///calculate maximum element size, big enough to fit any collision algorithm in the memory pool
+	int maxSize = sizeof(btConvexConvexAlgorithm);
+	int maxSize2 = sizeof(btConvexConcaveCollisionAlgorithm);
+	int maxSize3 = sizeof(btCompoundCollisionAlgorithm);
+	int maxSize4 = sizeof(btEmptyAlgorithm);
+	
+	m_collisionAlgorithmMaxElementSize = btMax(maxSize,maxSize2);
+	m_collisionAlgorithmMaxElementSize = btMax(elemSize,maxSize3);
+	m_collisionAlgorithmMaxElementSize = btMax(elemSize,maxSize4);
+
+}
+
+btDefaultCollisionConfiguration::~btDefaultCollisionConfiguration()
+{
+	delete m_convexConvexCreateFunc;
+	delete m_convexConcaveCreateFunc;
+	delete m_swappedConvexConcaveCreateFunc;
+	delete m_compoundCreateFunc;
+	delete m_swappedCompoundCreateFunc;
+	delete m_emptyCreateFunc;
+
+}
+
+	///pool size for the persistent contact manifold
+int	btDefaultCollisionConfiguration::getPersistentManifoldPoolSize()
+{
+	return m_persistentManifoldPoolSize;
+}
+
+int	btDefaultCollisionConfiguration::getStackAllocatorSize()
+{
+	return m_stackAllocatorSize;
+}
+
+int	btDefaultCollisionConfiguration::getCollisionAlgorithmPoolSize()
+{
+	return m_collisionAlgorithmPoolSize;
+}
+
+int	btDefaultCollisionConfiguration::getCollisionAlgorithmMaxElementSize()
+{
+	return m_collisionAlgorithmMaxElementSize;
+
+}
+
+btCollisionAlgorithmCreateFunc* btDefaultCollisionConfiguration::getConvexConvexCollisionCreateFunc()
+{
+	return m_convexConvexCreateFunc;
+}
+
+btCollisionAlgorithmCreateFunc* btDefaultCollisionConfiguration::getConvexConcaveCollisionCreateFunc()
+{
+	return m_convexConcaveCreateFunc;
+}
+
+btCollisionAlgorithmCreateFunc* btDefaultCollisionConfiguration::getSwappedConvexConcaveCollisionCreateFunc()
+{
+	return m_swappedConvexConcaveCreateFunc;
+}
+
+btCollisionAlgorithmCreateFunc* btDefaultCollisionConfiguration::getCompoundCollisionCreateFunc()
+{
+	return m_compoundCreateFunc;
+}
+
+btCollisionAlgorithmCreateFunc* btDefaultCollisionConfiguration::getSwappedCompoundCollisionCreateFunc()
+{
+	return m_swappedCompoundCreateFunc;
+}
+
+btCollisionAlgorithmCreateFunc* btDefaultCollisionConfiguration::getEmptyCollisionCreateFunc()
+{
+	return m_emptyCreateFunc;
+}