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diff --git a/extern/bullet2/BulletCollision/CollisionShapes/btCollisionShape.h b/extern/bullet2/BulletCollision/CollisionShapes/btCollisionShape.h
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+++ b/extern/bullet2/BulletCollision/CollisionShapes/btCollisionShape.h
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+/*
+Bullet Continuous Collision Detection and Physics Library
+Copyright (c) 2003-2009 Erwin Coumans  http://bulletphysics.org
+
+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 COLLISION_SHAPE_H
+#define COLLISION_SHAPE_H
+
+#include "LinearMath/btTransform.h"
+#include "LinearMath/btVector3.h"
+#include "LinearMath/btMatrix3x3.h"
+#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" //for the shape types
+class btSerializer;
+
+
+///The btCollisionShape class provides an interface for collision shapes that can be shared among btCollisionObjects.
+class btCollisionShape
+{
+protected:
+	int m_shapeType;
+	void* m_userPointer;
+
+public:
+
+	btCollisionShape() : m_shapeType (INVALID_SHAPE_PROXYTYPE), m_userPointer(0)
+	{
+	}
+
+	virtual ~btCollisionShape()
+	{
+	}
+
+	///getAabb returns the axis aligned bounding box in the coordinate frame of the given transform t.
+	virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const =0;
+
+	virtual void	getBoundingSphere(btVector3& center,btScalar& radius) const;
+
+	///getAngularMotionDisc returns the maximus radius needed for Conservative Advancement to handle time-of-impact with rotations.
+	virtual btScalar	getAngularMotionDisc() const;
+
+	virtual btScalar	getContactBreakingThreshold(btScalar defaultContactThresholdFactor) const;
+
+
+	///calculateTemporalAabb calculates the enclosing aabb for the moving object over interval [0..timeStep)
+	///result is conservative
+	void calculateTemporalAabb(const btTransform& curTrans,const btVector3& linvel,const btVector3& angvel,btScalar timeStep, btVector3& temporalAabbMin,btVector3& temporalAabbMax) const;
+
+
+
+	SIMD_FORCE_INLINE bool	isPolyhedral() const
+	{
+		return btBroadphaseProxy::isPolyhedral(getShapeType());
+	}
+
+	SIMD_FORCE_INLINE bool	isConvex2d() const
+	{
+		return btBroadphaseProxy::isConvex2d(getShapeType());
+	}
+
+	SIMD_FORCE_INLINE bool	isConvex() const
+	{
+		return btBroadphaseProxy::isConvex(getShapeType());
+	}
+	SIMD_FORCE_INLINE bool	isNonMoving() const
+	{
+		return btBroadphaseProxy::isNonMoving(getShapeType());
+	}
+	SIMD_FORCE_INLINE bool	isConcave() const
+	{
+		return btBroadphaseProxy::isConcave(getShapeType());
+	}
+	SIMD_FORCE_INLINE bool	isCompound() const
+	{
+		return btBroadphaseProxy::isCompound(getShapeType());
+	}
+
+	SIMD_FORCE_INLINE bool	isSoftBody() const
+	{
+		return btBroadphaseProxy::isSoftBody(getShapeType());
+	}
+
+	///isInfinite is used to catch simulation error (aabb check)
+	SIMD_FORCE_INLINE bool isInfinite() const
+	{
+		return btBroadphaseProxy::isInfinite(getShapeType());
+	}
+
+#ifndef __SPU__
+	virtual void	setLocalScaling(const btVector3& scaling) =0;
+	virtual const btVector3& getLocalScaling() const =0;
+	virtual void	calculateLocalInertia(btScalar mass,btVector3& inertia) const = 0;
+
+
+//debugging support
+	virtual const char*	getName()const =0 ;
+#endif //__SPU__
+
+	
+	int		getShapeType() const { return m_shapeType; }
+	virtual void	setMargin(btScalar margin) = 0;
+	virtual btScalar	getMargin() const = 0;
+
+	
+	///optional user data pointer
+	void	setUserPointer(void*  userPtr)
+	{
+		m_userPointer = userPtr;
+	}
+
+	void*	getUserPointer() const
+	{
+		return m_userPointer;
+	}
+
+	virtual	int	calculateSerializeBufferSize() const;
+
+	///fills the dataBuffer and returns the struct name (and 0 on failure)
+	virtual	const char*	serialize(void* dataBuffer, btSerializer* serializer) const;
+
+	virtual void	serializeSingleShape(btSerializer* serializer) const;
+
+};	
+
+///do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64
+struct	btCollisionShapeData
+{
+	char	*m_name;
+	int		m_shapeType;
+	char	m_padding[4];
+};
+
+SIMD_FORCE_INLINE	int	btCollisionShape::calculateSerializeBufferSize() const
+{
+	return sizeof(btCollisionShapeData);
+}
+
+
+
+#endif //COLLISION_SHAPE_H
+