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diff --git a/extern/bullet2/BulletCollision/CollisionShapes/btStaticPlaneShape.h b/extern/bullet2/BulletCollision/CollisionShapes/btStaticPlaneShape.h
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+++ b/extern/bullet2/BulletCollision/CollisionShapes/btStaticPlaneShape.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 STATIC_PLANE_SHAPE_H
+#define STATIC_PLANE_SHAPE_H
+
+#include "btConcaveShape.h"
+
+
+///The btStaticPlaneShape simulates an infinite non-moving (static) collision plane.
+ATTRIBUTE_ALIGNED16(class) btStaticPlaneShape : public btConcaveShape
+{
+protected:
+	btVector3	m_localAabbMin;
+	btVector3	m_localAabbMax;
+	
+	btVector3	m_planeNormal;
+	btScalar      m_planeConstant;
+	btVector3	m_localScaling;
+
+public:
+	btStaticPlaneShape(const btVector3& planeNormal,btScalar planeConstant);
+
+	virtual ~btStaticPlaneShape();
+
+
+	virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const;
+
+	virtual void	processAllTriangles(btTriangleCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const;
+
+	virtual void	calculateLocalInertia(btScalar mass,btVector3& inertia) const;
+
+	virtual void	setLocalScaling(const btVector3& scaling);
+	virtual const btVector3& getLocalScaling() const;
+	
+	const btVector3&	getPlaneNormal() const
+	{
+		return	m_planeNormal;
+	}
+
+	const btScalar&	getPlaneConstant() const
+	{
+		return	m_planeConstant;
+	}
+
+	//debugging
+	virtual const char*	getName()const {return "STATICPLANE";}
+
+	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;
+
+
+};
+
+///do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64
+struct	btStaticPlaneShapeData
+{
+	btCollisionShapeData	m_collisionShapeData;
+
+	btVector3FloatData	m_localScaling;
+	btVector3FloatData	m_planeNormal;
+	float			m_planeConstant;
+	char	m_pad[4];
+};
+
+
+SIMD_FORCE_INLINE	int	btStaticPlaneShape::calculateSerializeBufferSize() const
+{
+	return sizeof(btStaticPlaneShapeData);
+}
+
+///fills the dataBuffer and returns the struct name (and 0 on failure)
+SIMD_FORCE_INLINE	const char*	btStaticPlaneShape::serialize(void* dataBuffer, btSerializer* serializer) const
+{
+	btStaticPlaneShapeData* planeData = (btStaticPlaneShapeData*) dataBuffer;
+	btCollisionShape::serialize(&planeData->m_collisionShapeData,serializer);
+
+	m_localScaling.serializeFloat(planeData->m_localScaling);
+	m_planeNormal.serializeFloat(planeData->m_planeNormal);
+	planeData->m_planeConstant = float(m_planeConstant);
+		
+	return "btStaticPlaneShapeData";
+}
+
+
+#endif //STATIC_PLANE_SHAPE_H
+
+
+