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diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexPolyhedron.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexPolyhedron.h
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+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexPolyhedron.h
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+/*
+Bullet Continuous Collision Detection and Physics Library
+Copyright (c) 2011 Advanced Micro Devices, Inc.  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.
+*/
+
+
+///This file was written by Erwin Coumans
+
+
+#ifndef _BT_POLYHEDRAL_FEATURES_H
+#define _BT_POLYHEDRAL_FEATURES_H
+
+#include "LinearMath/btTransform.h"
+#include "LinearMath/btAlignedObjectArray.h"
+
+#define TEST_INTERNAL_OBJECTS 1
+
+
+struct btFace
+{
+	btAlignedObjectArray<int>	m_indices;
+//	btAlignedObjectArray<int>	m_connectedFaces;
+	btScalar	m_plane[4];
+};
+
+
+class btConvexPolyhedron
+{
+	public:
+	btConvexPolyhedron();
+	virtual	~btConvexPolyhedron();
+
+	btAlignedObjectArray<btVector3>	m_vertices;
+	btAlignedObjectArray<btFace>	m_faces;
+	btAlignedObjectArray<btVector3> m_uniqueEdges;
+
+	btVector3		m_localCenter;
+	btVector3		m_extents;
+	btScalar		m_radius;
+	btVector3		mC;
+	btVector3		mE;
+
+	void	initialize();
+	bool testContainment() const;
+
+	void project(const btTransform& trans, const btVector3& dir, btScalar& min, btScalar& max) const;
+};
+
+	
+#endif //_BT_POLYHEDRAL_FEATURES_H
+
+