update Bullet physics sdk to latest trunk/version 2.78

add PhysicsConstraints.exportBulletFile(char* fileName) python command
I'll be checking the bf-committers mailing list, in case this commit broke stuff
scons needs to be updated, I'll do that in a second.

74 files changed, 2652 insertions, 450 deletions

diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btBox2dShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btBox2dShape.cpp
new file mode 100644
index 00000000000..ecce028c2e6
--- /dev/null
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btBox2dShape.cpp
@@ -0,0 +1,42 @@
+/*
+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 "btBox2dShape.h"
+
+
+//{ 
+
+
+void btBox2dShape::getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const
+{
+	btTransformAabb(getHalfExtentsWithoutMargin(),getMargin(),t,aabbMin,aabbMax);
+}
+
+
+void	btBox2dShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const
+{
+	//btScalar margin = btScalar(0.);
+	btVector3 halfExtents = getHalfExtentsWithMargin();
+
+	btScalar lx=btScalar(2.)*(halfExtents.x());
+	btScalar ly=btScalar(2.)*(halfExtents.y());
+	btScalar lz=btScalar(2.)*(halfExtents.z());
+
+	inertia.setValue(mass/(btScalar(12.0)) * (ly*ly + lz*lz),
+					mass/(btScalar(12.0)) * (lx*lx + lz*lz),
+					mass/(btScalar(12.0)) * (lx*lx + ly*ly));
+
+}
+
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btBox2dShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btBox2dShape.h
new file mode 100644
index 00000000000..fc032069c03
--- /dev/null
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btBox2dShape.h
@@ -0,0 +1,363 @@
+/*
+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 OBB_BOX_2D_SHAPE_H
+#define OBB_BOX_2D_SHAPE_H
+
+#include "BulletCollision/CollisionShapes/btPolyhedralConvexShape.h"
+#include "BulletCollision/CollisionShapes/btCollisionMargin.h"
+#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h"
+#include "LinearMath/btVector3.h"
+#include "LinearMath/btMinMax.h"
+
+///The btBox2dShape is a box primitive around the origin, its sides axis aligned with length specified by half extents, in local shape coordinates. When used as part of a btCollisionObject or btRigidBody it will be an oriented box in world space.
+class btBox2dShape: public btPolyhedralConvexShape
+{
+
+	//btVector3	m_boxHalfExtents1; //use m_implicitShapeDimensions instead
+
+	btVector3 m_centroid;
+	btVector3 m_vertices[4];
+	btVector3 m_normals[4];
+
+public:
+
+	btVector3 getHalfExtentsWithMargin() const
+	{
+		btVector3 halfExtents = getHalfExtentsWithoutMargin();
+		btVector3 margin(getMargin(),getMargin(),getMargin());
+		halfExtents += margin;
+		return halfExtents;
+	}
+	
+	const btVector3& getHalfExtentsWithoutMargin() const
+	{
+		return m_implicitShapeDimensions;//changed in Bullet 2.63: assume the scaling and margin are included
+	}
+	
+
+	virtual btVector3	localGetSupportingVertex(const btVector3& vec) const
+	{
+		btVector3 halfExtents = getHalfExtentsWithoutMargin();
+		btVector3 margin(getMargin(),getMargin(),getMargin());
+		halfExtents += margin;
+		
+		return btVector3(btFsels(vec.x(), halfExtents.x(), -halfExtents.x()),
+			btFsels(vec.y(), halfExtents.y(), -halfExtents.y()),
+			btFsels(vec.z(), halfExtents.z(), -halfExtents.z()));
+	}
+
+	SIMD_FORCE_INLINE  btVector3	localGetSupportingVertexWithoutMargin(const btVector3& vec)const
+	{
+		const btVector3& halfExtents = getHalfExtentsWithoutMargin();
+		
+		return btVector3(btFsels(vec.x(), halfExtents.x(), -halfExtents.x()),
+			btFsels(vec.y(), halfExtents.y(), -halfExtents.y()),
+			btFsels(vec.z(), halfExtents.z(), -halfExtents.z()));
+	}
+
+	virtual void	batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const
+	{
+		const btVector3& halfExtents = getHalfExtentsWithoutMargin();
+	
+		for (int i=0;i<numVectors;i++)
+		{
+			const btVector3& vec = vectors[i];
+			supportVerticesOut[i].setValue(btFsels(vec.x(), halfExtents.x(), -halfExtents.x()),
+				btFsels(vec.y(), halfExtents.y(), -halfExtents.y()),
+				btFsels(vec.z(), halfExtents.z(), -halfExtents.z())); 
+		}
+
+	}
+
+
+	btBox2dShape( const btVector3& boxHalfExtents) 
+		: btPolyhedralConvexShape(),
+		m_centroid(0,0,0)
+	{
+		m_vertices[0].setValue(-boxHalfExtents.getX(),-boxHalfExtents.getY(),0);
+		m_vertices[1].setValue(boxHalfExtents.getX(),-boxHalfExtents.getY(),0);
+		m_vertices[2].setValue(boxHalfExtents.getX(),boxHalfExtents.getY(),0);
+		m_vertices[3].setValue(-boxHalfExtents.getX(),boxHalfExtents.getY(),0);
+
+		m_normals[0].setValue(0,-1,0);
+		m_normals[1].setValue(1,0,0);
+		m_normals[2].setValue(0,1,0);
+		m_normals[3].setValue(-1,0,0);
+
+		m_shapeType = BOX_2D_SHAPE_PROXYTYPE;
+		btVector3 margin(getMargin(),getMargin(),getMargin());
+		m_implicitShapeDimensions = (boxHalfExtents * m_localScaling) - margin;
+	};
+
+	virtual void setMargin(btScalar collisionMargin)
+	{
+		//correct the m_implicitShapeDimensions for the margin
+		btVector3 oldMargin(getMargin(),getMargin(),getMargin());
+		btVector3 implicitShapeDimensionsWithMargin = m_implicitShapeDimensions+oldMargin;
+		
+		btConvexInternalShape::setMargin(collisionMargin);
+		btVector3 newMargin(getMargin(),getMargin(),getMargin());
+		m_implicitShapeDimensions = implicitShapeDimensionsWithMargin - newMargin;
+
+	}
+	virtual void	setLocalScaling(const btVector3& scaling)
+	{
+		btVector3 oldMargin(getMargin(),getMargin(),getMargin());
+		btVector3 implicitShapeDimensionsWithMargin = m_implicitShapeDimensions+oldMargin;
+		btVector3 unScaledImplicitShapeDimensionsWithMargin = implicitShapeDimensionsWithMargin / m_localScaling;
+
+		btConvexInternalShape::setLocalScaling(scaling);
+
+		m_implicitShapeDimensions = (unScaledImplicitShapeDimensionsWithMargin * m_localScaling) - oldMargin;
+
+	}
+
+	virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const;
+
+	
+
+	virtual void	calculateLocalInertia(btScalar mass,btVector3& inertia) const;
+
+
+
+
+
+	int	getVertexCount() const
+	{
+		return 4;
+	}
+
+	virtual int getNumVertices()const
+	{
+		return 4;
+	}
+
+	const btVector3* getVertices() const
+	{
+		return &m_vertices[0];
+	}
+
+	const btVector3* getNormals() const
+	{
+		return &m_normals[0];
+	}
+
+
+
+
+
+
+
+	virtual void getPlane(btVector3& planeNormal,btVector3& planeSupport,int i ) const
+	{
+		//this plane might not be aligned...
+		btVector4 plane ;
+		getPlaneEquation(plane,i);
+		planeNormal = btVector3(plane.getX(),plane.getY(),plane.getZ());
+		planeSupport = localGetSupportingVertex(-planeNormal);
+	}
+
+
+	const btVector3& getCentroid() const
+	{
+		return m_centroid;
+	}
+	
+	virtual int getNumPlanes() const
+	{
+		return 6;
+	}	
+	
+	
+
+	virtual int getNumEdges() const
+	{
+		return 12;
+	}
+
+
+	virtual void getVertex(int i,btVector3& vtx) const
+	{
+		btVector3 halfExtents = getHalfExtentsWithoutMargin();
+
+		vtx = btVector3(
+				halfExtents.x() * (1-(i&1)) - halfExtents.x() * (i&1),
+				halfExtents.y() * (1-((i&2)>>1)) - halfExtents.y() * ((i&2)>>1),
+				halfExtents.z() * (1-((i&4)>>2)) - halfExtents.z() * ((i&4)>>2));
+	}
+	
+
+	virtual void	getPlaneEquation(btVector4& plane,int i) const
+	{
+		btVector3 halfExtents = getHalfExtentsWithoutMargin();
+
+		switch (i)
+		{
+		case 0:
+			plane.setValue(btScalar(1.),btScalar(0.),btScalar(0.),-halfExtents.x());
+			break;
+		case 1:
+			plane.setValue(btScalar(-1.),btScalar(0.),btScalar(0.),-halfExtents.x());
+			break;
+		case 2:
+			plane.setValue(btScalar(0.),btScalar(1.),btScalar(0.),-halfExtents.y());
+			break;
+		case 3:
+			plane.setValue(btScalar(0.),btScalar(-1.),btScalar(0.),-halfExtents.y());
+			break;
+		case 4:
+			plane.setValue(btScalar(0.),btScalar(0.),btScalar(1.),-halfExtents.z());
+			break;
+		case 5:
+			plane.setValue(btScalar(0.),btScalar(0.),btScalar(-1.),-halfExtents.z());
+			break;
+		default:
+			btAssert(0);
+		}
+	}
+
+	
+	virtual void getEdge(int i,btVector3& pa,btVector3& pb) const
+	//virtual void getEdge(int i,Edge& edge) const
+	{
+		int edgeVert0 = 0;
+		int edgeVert1 = 0;
+
+		switch (i)
+		{
+		case 0:
+				edgeVert0 = 0;
+				edgeVert1 = 1;
+			break;
+		case 1:
+				edgeVert0 = 0;
+				edgeVert1 = 2;
+			break;
+		case 2:
+			edgeVert0 = 1;
+			edgeVert1 = 3;
+
+			break;
+		case 3:
+			edgeVert0 = 2;
+			edgeVert1 = 3;
+			break;
+		case 4:
+			edgeVert0 = 0;
+			edgeVert1 = 4;
+			break;
+		case 5:
+			edgeVert0 = 1;
+			edgeVert1 = 5;
+
+			break;
+		case 6:
+			edgeVert0 = 2;
+			edgeVert1 = 6;
+			break;
+		case 7:
+			edgeVert0 = 3;
+			edgeVert1 = 7;
+			break;
+		case 8:
+			edgeVert0 = 4;
+			edgeVert1 = 5;
+			break;
+		case 9:
+			edgeVert0 = 4;
+			edgeVert1 = 6;
+			break;
+		case 10:
+			edgeVert0 = 5;
+			edgeVert1 = 7;
+			break;
+		case 11:
+			edgeVert0 = 6;
+			edgeVert1 = 7;
+			break;
+		default:
+			btAssert(0);
+
+		}
+
+		getVertex(edgeVert0,pa );
+		getVertex(edgeVert1,pb );
+	}
+
+
+
+
+	
+	virtual	bool isInside(const btVector3& pt,btScalar tolerance) const
+	{
+		btVector3 halfExtents = getHalfExtentsWithoutMargin();
+
+		//btScalar minDist = 2*tolerance;
+		
+		bool result =	(pt.x() <= (halfExtents.x()+tolerance)) &&
+						(pt.x() >= (-halfExtents.x()-tolerance)) &&
+						(pt.y() <= (halfExtents.y()+tolerance)) &&
+						(pt.y() >= (-halfExtents.y()-tolerance)) &&
+						(pt.z() <= (halfExtents.z()+tolerance)) &&
+						(pt.z() >= (-halfExtents.z()-tolerance));
+		
+		return result;
+	}
+
+
+	//debugging
+	virtual const char*	getName()const
+	{
+		return "Box2d";
+	}
+
+	virtual int		getNumPreferredPenetrationDirections() const
+	{
+		return 6;
+	}
+	
+	virtual void	getPreferredPenetrationDirection(int index, btVector3& penetrationVector) const
+	{
+		switch (index)
+		{
+		case 0:
+			penetrationVector.setValue(btScalar(1.),btScalar(0.),btScalar(0.));
+			break;
+		case 1:
+			penetrationVector.setValue(btScalar(-1.),btScalar(0.),btScalar(0.));
+			break;
+		case 2:
+			penetrationVector.setValue(btScalar(0.),btScalar(1.),btScalar(0.));
+			break;
+		case 3:
+			penetrationVector.setValue(btScalar(0.),btScalar(-1.),btScalar(0.));
+			break;
+		case 4:
+			penetrationVector.setValue(btScalar(0.),btScalar(0.),btScalar(1.));
+			break;
+		case 5:
+			penetrationVector.setValue(btScalar(0.),btScalar(0.),btScalar(-1.));
+			break;
+		default:
+			btAssert(0);
+		}
+	}
+
+};
+
+#endif //OBB_BOX_2D_SHAPE_H
+
+
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btBoxShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btBoxShape.cpp
index 8bc2cfa6ffa..c6644efbef3 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btBoxShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btBoxShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -12,7 +12,6 @@ subject to the following restrictions:
 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 "btBoxShape.h"
 
 
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btBoxShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btBoxShape.h
index 14502d485dc..b405efc8e3c 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btBoxShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btBoxShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -41,7 +41,7 @@ public:
 	
 	const btVector3& getHalfExtentsWithoutMargin() const
 	{
-		return m_implicitShapeDimensions;//changed in Bullet 2.63: assume the scaling and margin are included
+		return m_implicitShapeDimensions;//scaling is included, margin is not
 	}
 	
 
@@ -312,6 +312,7 @@ public:
 
 };
 
+
 #endif //OBB_BOX_MINKOWSKI_H
 
 
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.cpp
index 4d350196943..ace4cfa2646 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -17,12 +17,14 @@ subject to the following restrictions:
 
 #include "BulletCollision/CollisionShapes/btBvhTriangleMeshShape.h"
 #include "BulletCollision/CollisionShapes/btOptimizedBvh.h"
+#include "LinearMath/btSerializer.h"
 
 ///Bvh Concave triangle mesh is a static-triangle mesh shape with Bounding Volume Hierarchy optimization.
 ///Uses an interface to access the triangles to allow for sharing graphics/physics triangles.
 btBvhTriangleMeshShape::btBvhTriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression, bool buildBvh)
 :btTriangleMeshShape(meshInterface),
 m_bvh(0),
+m_triangleInfoMap(0),
 m_useQuantizedAabbCompression(useQuantizedAabbCompression),
 m_ownsBvh(false)
 {
@@ -42,6 +44,7 @@ m_ownsBvh(false)
 btBvhTriangleMeshShape::btBvhTriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression,const btVector3& bvhAabbMin,const btVector3& bvhAabbMax,bool buildBvh)
 :btTriangleMeshShape(meshInterface),
 m_bvh(0),
+m_triangleInfoMap(0),
 m_useQuantizedAabbCompression(useQuantizedAabbCompression),
 m_ownsBvh(false)
 {
@@ -274,13 +277,13 @@ void	btBvhTriangleMeshShape::processAllTriangles(btTriangleCallback* callback,co
 				nodeSubPart);
 
 			unsigned int* gfxbase = (unsigned int*)(indexbase+nodeTriangleIndex*indexstride);
-			btAssert(indicestype==PHY_INTEGER||indicestype==PHY_SHORT);
+			btAssert(indicestype==PHY_INTEGER||indicestype==PHY_SHORT||indicestype==PHY_UCHAR);
 	
 			const btVector3& meshScaling = m_meshInterface->getScaling();
 			for (int j=2;j>=0;j--)
 			{
 				
-				int graphicsindex = indicestype==PHY_SHORT?((unsigned short*)gfxbase)[j]:gfxbase[j];
+				int graphicsindex = indicestype==PHY_SHORT?((unsigned short*)gfxbase)[j]:indicestype==PHY_INTEGER?gfxbase[j]:((unsigned char*)gfxbase)[j];
 
 
 #ifdef DEBUG_TRIANGLE_MESH
@@ -364,3 +367,100 @@ void   btBvhTriangleMeshShape::setOptimizedBvh(btOptimizedBvh* bvh, const btVect
 }
 
 
+
+///fills the dataBuffer and returns the struct name (and 0 on failure)
+const char*	btBvhTriangleMeshShape::serialize(void* dataBuffer, btSerializer* serializer) const
+{
+	btTriangleMeshShapeData* trimeshData = (btTriangleMeshShapeData*) dataBuffer;
+
+	btCollisionShape::serialize(&trimeshData->m_collisionShapeData,serializer);
+
+	m_meshInterface->serialize(&trimeshData->m_meshInterface, serializer);
+
+	trimeshData->m_collisionMargin = float(m_collisionMargin);
+
+	
+
+	if (m_bvh && !(serializer->getSerializationFlags()&BT_SERIALIZE_NO_BVH))
+	{
+		void* chunk = serializer->findPointer(m_bvh);
+		if (chunk)
+		{
+#ifdef BT_USE_DOUBLE_PRECISION
+			trimeshData->m_quantizedDoubleBvh = (btQuantizedBvhData*)chunk;
+			trimeshData->m_quantizedFloatBvh = 0;
+#else
+			trimeshData->m_quantizedFloatBvh  = (btQuantizedBvhData*)chunk;
+			trimeshData->m_quantizedDoubleBvh= 0;
+#endif //BT_USE_DOUBLE_PRECISION
+		} else
+		{
+
+#ifdef BT_USE_DOUBLE_PRECISION
+			trimeshData->m_quantizedDoubleBvh = (btQuantizedBvhData*)serializer->getUniquePointer(m_bvh);
+			trimeshData->m_quantizedFloatBvh = 0;
+#else
+			trimeshData->m_quantizedFloatBvh  = (btQuantizedBvhData*)serializer->getUniquePointer(m_bvh);
+			trimeshData->m_quantizedDoubleBvh= 0;
+#endif //BT_USE_DOUBLE_PRECISION
+	
+			int sz = m_bvh->calculateSerializeBufferSizeNew();
+			btChunk* chunk = serializer->allocate(sz,1);
+			const char* structType = m_bvh->serialize(chunk->m_oldPtr, serializer);
+			serializer->finalizeChunk(chunk,structType,BT_QUANTIZED_BVH_CODE,m_bvh);
+		}
+	} else
+	{
+		trimeshData->m_quantizedFloatBvh = 0;
+		trimeshData->m_quantizedDoubleBvh = 0;
+	}
+
+	
+
+	if (m_triangleInfoMap && !(serializer->getSerializationFlags()&BT_SERIALIZE_NO_TRIANGLEINFOMAP))
+	{
+		void* chunk = serializer->findPointer(m_triangleInfoMap);
+		if (chunk)
+		{
+			trimeshData->m_triangleInfoMap = (btTriangleInfoMapData*)chunk;
+		} else
+		{
+			trimeshData->m_triangleInfoMap = (btTriangleInfoMapData*)serializer->getUniquePointer(m_triangleInfoMap);
+			int sz = m_triangleInfoMap->calculateSerializeBufferSize();
+			btChunk* chunk = serializer->allocate(sz,1);
+			const char* structType = m_triangleInfoMap->serialize(chunk->m_oldPtr, serializer);
+			serializer->finalizeChunk(chunk,structType,BT_TRIANLGE_INFO_MAP,m_triangleInfoMap);
+		}
+	} else
+	{
+		trimeshData->m_triangleInfoMap = 0;
+	}
+
+	return "btTriangleMeshShapeData";
+}
+
+void	btBvhTriangleMeshShape::serializeSingleBvh(btSerializer* serializer) const
+{
+	if (m_bvh)
+	{
+		int len = m_bvh->calculateSerializeBufferSizeNew(); //make sure not to use calculateSerializeBufferSize because it is used for in-place
+		btChunk* chunk = serializer->allocate(len,1);
+		const char* structType = m_bvh->serialize(chunk->m_oldPtr, serializer);
+		serializer->finalizeChunk(chunk,structType,BT_QUANTIZED_BVH_CODE,(void*)m_bvh);
+	}
+}
+
+void	btBvhTriangleMeshShape::serializeSingleTriangleInfoMap(btSerializer* serializer) const
+{
+	if (m_triangleInfoMap)
+	{
+		int len = m_triangleInfoMap->calculateSerializeBufferSize();
+		btChunk* chunk = serializer->allocate(len,1);
+		const char* structType = m_triangleInfoMap->serialize(chunk->m_oldPtr, serializer);
+		serializer->finalizeChunk(chunk,structType,BT_TRIANLGE_INFO_MAP,(void*)m_triangleInfoMap);
+	}
+}
+
+
+
+
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.h
index ab54bd1a1ed..c269ef27bdb 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -19,7 +19,7 @@ subject to the following restrictions:
 #include "btTriangleMeshShape.h"
 #include "btOptimizedBvh.h"
 #include "LinearMath/btAlignedAllocator.h"
-
+#include "btTriangleInfoMap.h"
 
 ///The btBvhTriangleMeshShape is a static-triangle mesh shape with several optimizations, such as bounding volume hierarchy and cache friendly traversal for PlayStation 3 Cell SPU. It is recommended to enable useQuantizedAabbCompression for better memory usage.
 ///It takes a triangle mesh as input, for example a btTriangleMesh or btTriangleIndexVertexArray. The btBvhTriangleMeshShape class allows for triangle mesh deformations by a refit or partialRefit method.
@@ -29,6 +29,8 @@ ATTRIBUTE_ALIGNED16(class) btBvhTriangleMeshShape : public btTriangleMeshShape
 {
 
 	btOptimizedBvh*	m_bvh;
+	btTriangleInfoMap*	m_triangleInfoMap;
+
 	bool m_useQuantizedAabbCompression;
 	bool m_ownsBvh;
 	bool m_pad[11];////need padding due to alignment
@@ -37,7 +39,7 @@ public:
 
 	BT_DECLARE_ALIGNED_ALLOCATOR();
 
-	btBvhTriangleMeshShape() : btTriangleMeshShape(0),m_bvh(0),m_ownsBvh(false) {m_shapeType = TRIANGLE_MESH_SHAPE_PROXYTYPE;};
+	
 	btBvhTriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression, bool buildBvh = true);
 
 	///optionally pass in a larger bvh aabb, used for quantization. This allows for deformations within this aabb
@@ -73,7 +75,6 @@ public:
 		return m_bvh;
 	}
 
-
 	void	setOptimizedBvh(btOptimizedBvh* bvh, const btVector3& localScaling=btVector3(1,1,1));
 
 	void    buildOptimizedBvh();
@@ -82,7 +83,57 @@ public:
 	{
 		return	m_useQuantizedAabbCompression;
 	}
+
+	void	setTriangleInfoMap(btTriangleInfoMap* triangleInfoMap)
+	{
+		m_triangleInfoMap = triangleInfoMap;
+	}
+
+	const btTriangleInfoMap*	getTriangleInfoMap() const
+	{
+		return m_triangleInfoMap;
+	}
+	
+	btTriangleInfoMap*	getTriangleInfoMap()
+	{
+		return m_triangleInfoMap;
+	}
+
+	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	serializeSingleBvh(btSerializer* serializer) const;
+
+	virtual void	serializeSingleTriangleInfoMap(btSerializer* serializer) const;
+
+};
+
+///do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64
+struct	btTriangleMeshShapeData
+{
+	btCollisionShapeData	m_collisionShapeData;
+
+	btStridingMeshInterfaceData m_meshInterface;
+
+	btQuantizedBvhFloatData		*m_quantizedFloatBvh;
+	btQuantizedBvhDoubleData	*m_quantizedDoubleBvh;
+
+	btTriangleInfoMapData	*m_triangleInfoMap;
+	
+	float	m_collisionMargin;
+
+	char m_pad3[4];
+	
+};
+
+
+SIMD_FORCE_INLINE	int	btBvhTriangleMeshShape::calculateSerializeBufferSize() const
+{
+	return sizeof(btTriangleMeshShapeData);
 }
-;
+
+
 
 #endif //BVH_TRIANGLE_MESH_SHAPE_H
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btCapsuleShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btCapsuleShape.cpp
index 60a96a542f9..2faa11d4360 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btCapsuleShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btCapsuleShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -32,7 +32,7 @@ btCapsuleShape::btCapsuleShape(btScalar radius, btScalar height) : btConvexInter
 
 	btVector3 supVec(0,0,0);
 
-	btScalar maxDot(btScalar(-1e30));
+	btScalar maxDot(btScalar(-BT_LARGE_FLOAT));
 
 	btVector3 vec = vec0;
 	btScalar lenSqr = vec.length2();
@@ -88,7 +88,7 @@ btCapsuleShape::btCapsuleShape(btScalar radius, btScalar height) : btConvexInter
 
 	for (int j=0;j<numVectors;j++)
 	{
-		btScalar maxDot(btScalar(-1e30));
+		btScalar maxDot(btScalar(-BT_LARGE_FLOAT));
 		const btVector3& vec = vectors[j];
 
 		btVector3 vtx;
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btCapsuleShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btCapsuleShape.h
index 828c1b3a565..ab763abf808 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btCapsuleShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btCapsuleShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -43,6 +43,18 @@ public:
 
 	virtual void	batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const;
 	
+	virtual void setMargin(btScalar collisionMargin)
+	{
+		//correct the m_implicitShapeDimensions for the margin
+		btVector3 oldMargin(getMargin(),getMargin(),getMargin());
+		btVector3 implicitShapeDimensionsWithMargin = m_implicitShapeDimensions+oldMargin;
+		
+		btConvexInternalShape::setMargin(collisionMargin);
+		btVector3 newMargin(getMargin(),getMargin(),getMargin());
+		m_implicitShapeDimensions = implicitShapeDimensionsWithMargin - newMargin;
+
+	}
+
 	virtual void getAabb (const btTransform& t, btVector3& aabbMin, btVector3& aabbMax) const
 	{
 			btVector3 halfExtents(getRadius(),getRadius(),getRadius());
@@ -77,6 +89,24 @@ public:
 		return m_implicitShapeDimensions[m_upAxis];
 	}
 
+	virtual void	setLocalScaling(const btVector3& scaling)
+	{
+		btVector3 oldMargin(getMargin(),getMargin(),getMargin());
+		btVector3 implicitShapeDimensionsWithMargin = m_implicitShapeDimensions+oldMargin;
+		btVector3 unScaledImplicitShapeDimensionsWithMargin = implicitShapeDimensionsWithMargin / m_localScaling;
+
+		btConvexInternalShape::setLocalScaling(scaling);
+
+		m_implicitShapeDimensions = (unScaledImplicitShapeDimensionsWithMargin * m_localScaling) - oldMargin;
+
+	}
+
+	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;
+
+
 };
 
 ///btCapsuleShapeX represents a capsule around the Z axis
@@ -113,6 +143,31 @@ public:
 	
 };
 
+///do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64
+struct	btCapsuleShapeData
+{
+	btConvexInternalShapeData	m_convexInternalShapeData;
+
+	int	m_upAxis;
+
+	char	m_padding[4];
+};
+
+SIMD_FORCE_INLINE	int	btCapsuleShape::calculateSerializeBufferSize() const
+{
+	return sizeof(btCapsuleShapeData);
+}
+
+	///fills the dataBuffer and returns the struct name (and 0 on failure)
+SIMD_FORCE_INLINE	const char*	btCapsuleShape::serialize(void* dataBuffer, btSerializer* serializer) const
+{
+	btCapsuleShapeData* shapeData = (btCapsuleShapeData*) dataBuffer;
+	
+	btConvexInternalShape::serialize(&shapeData->m_convexInternalShapeData,serializer);
 
+	shapeData->m_upAxis = m_upAxis;
+	
+	return "btCapsuleShapeData";
+}
 
 #endif //BT_CAPSULE_SHAPE_H
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionMargin.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionMargin.h
index 4730264d3df..18fd026041f 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionMargin.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionMargin.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionShape.cpp
index d242cba1b72..39ee21cad73 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -12,12 +12,8 @@ subject to the following restrictions:
 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 "BulletCollision/CollisionShapes/btCollisionShape.h"
-
-
-btScalar gContactThresholdFactor=btScalar(0.02);
-
+#include "LinearMath/btSerializer.h"
 
 /*
   Make sure this dummy function never changes so that it
@@ -45,10 +41,12 @@ void	btCollisionShape::getBoundingSphere(btVector3& center,btScalar& radius) con
 	center = (aabbMin+aabbMax)*btScalar(0.5);
 }
 
-btScalar	btCollisionShape::getContactBreakingThreshold() const
+
+btScalar	btCollisionShape::getContactBreakingThreshold(btScalar defaultContactThreshold) const
 {
-	return getAngularMotionDisc() * gContactThresholdFactor;
+	return getAngularMotionDisc() * defaultContactThreshold;
 }
+
 btScalar	btCollisionShape::getAngularMotionDisc() const
 {
 	///@todo cache this value, to improve performance
@@ -96,3 +94,26 @@ void btCollisionShape::calculateTemporalAabb(const btTransform& curTrans,const b
 	temporalAabbMin -= angularMotion3d;
 	temporalAabbMax += angularMotion3d;
 }
+
+///fills the dataBuffer and returns the struct name (and 0 on failure)
+const char*	btCollisionShape::serialize(void* dataBuffer, btSerializer* serializer) const
+{
+	btCollisionShapeData* shapeData = (btCollisionShapeData*) dataBuffer;
+	char* name = (char*) serializer->findNameForPointer(this);
+	shapeData->m_name = (char*)serializer->getUniquePointer(name);
+	if (shapeData->m_name)
+	{
+		serializer->serializeName(name);
+	}
+	shapeData->m_shapeType = m_shapeType;
+	//shapeData->m_padding//??
+	return "btCollisionShapeData";
+}
+
+void	btCollisionShape::serializeSingleShape(btSerializer* serializer) const
+{
+	int len = calculateSerializeBufferSize();
+	btChunk* chunk = serializer->allocate(len,1);
+	const char* structType = serialize(chunk->m_oldPtr, serializer);
+	serializer->finalizeChunk(chunk,structType,BT_SHAPE_CODE,(void*)this);
+}
\ No newline at end of file
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionShape.h
index b6374e64153..f32bd736a99 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -20,6 +20,8 @@ subject to the following restrictions:
 #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
@@ -46,24 +48,33 @@ public:
 	///getAngularMotionDisc returns the maximus radius needed for Conservative Advancement to handle time-of-impact with rotations.
 	virtual btScalar	getAngularMotionDisc() const;
 
-	virtual btScalar	getContactBreakingThreshold() 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;
 
-#ifndef __SPU__
+
 
 	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());
@@ -72,6 +83,7 @@ public:
 	{
 		return btBroadphaseProxy::isCompound(getShapeType());
 	}
+
 	SIMD_FORCE_INLINE bool	isSoftBody() const
 	{
 		return btBroadphaseProxy::isSoftBody(getShapeType());
@@ -83,7 +95,7 @@ public:
 		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;
@@ -110,7 +122,29 @@ public:
 		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
 
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btCompoundShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btCompoundShape.cpp
index 9c2b04d18fa..4eb860c57f1 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btCompoundShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btCompoundShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -16,14 +16,15 @@ subject to the following restrictions:
 #include "btCompoundShape.h"
 #include "btCollisionShape.h"
 #include "BulletCollision/BroadphaseCollision/btDbvt.h"
+#include "LinearMath/btSerializer.h"
 
 btCompoundShape::btCompoundShape(bool enableDynamicAabbTree)
-: m_localAabbMin(btScalar(1e30),btScalar(1e30),btScalar(1e30)),
-m_localAabbMax(btScalar(-1e30),btScalar(-1e30),btScalar(-1e30)),
-m_collisionMargin(btScalar(0.)),
-m_localScaling(btScalar(1.),btScalar(1.),btScalar(1.)),
+: m_localAabbMin(btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT)),
+m_localAabbMax(btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT)),
 m_dynamicAabbTree(0),
-m_updateRevision(1)
+m_updateRevision(1),
+m_collisionMargin(btScalar(0.)),
+m_localScaling(btScalar(1.),btScalar(1.),btScalar(1.))
 {
 	m_shapeType = COMPOUND_SHAPE_PROXYTYPE;
 
@@ -51,6 +52,7 @@ void	btCompoundShape::addChildShape(const btTransform& localTransform,btCollisio
 	//m_childTransforms.push_back(localTransform);
 	//m_childShapes.push_back(shape);
 	btCompoundShapeChild child;
+	child.m_node = 0;
 	child.m_transform = localTransform;
 	child.m_childShape = shape;
 	child.m_childShapeType = shape->getShapeType();
@@ -83,7 +85,7 @@ void	btCompoundShape::addChildShape(const btTransform& localTransform,btCollisio
 
 }
 
-void	btCompoundShape::updateChildTransform(int childIndex, const btTransform& newChildTransform)
+void	btCompoundShape::updateChildTransform(int childIndex, const btTransform& newChildTransform,bool shouldRecalculateLocalAabb)
 {
 	m_children[childIndex].m_transform = newChildTransform;
 
@@ -93,11 +95,14 @@ void	btCompoundShape::updateChildTransform(int childIndex, const btTransform& ne
 		btVector3 localAabbMin,localAabbMax;
 		m_children[childIndex].m_childShape->getAabb(newChildTransform,localAabbMin,localAabbMax);
 		ATTRIBUTE_ALIGNED16(btDbvtVolume)	bounds=btDbvtVolume::FromMM(localAabbMin,localAabbMax);
-		int index = m_children.size()-1;
+		//int index = m_children.size()-1;
 		m_dynamicAabbTree->update(m_children[childIndex].m_node,bounds);
 	}
 
-	recalculateLocalAabb();
+	if (shouldRecalculateLocalAabb)
+	{
+		recalculateLocalAabb();
+	}
 }
 
 void btCompoundShape::removeChildShapeByIndex(int childShapeIndex)
@@ -109,6 +114,8 @@ void btCompoundShape::removeChildShapeByIndex(int childShapeIndex)
 		m_dynamicAabbTree->remove(m_children[childShapeIndex].m_node);
 	}
 	m_children.swap(childShapeIndex,m_children.size()-1);
+    if (m_dynamicAabbTree) 
+		m_children[childShapeIndex].m_node->dataAsInt = childShapeIndex;
 	m_children.pop_back();
 
 }
@@ -124,14 +131,7 @@ void btCompoundShape::removeChildShape(btCollisionShape* shape)
 	{
 		if(m_children[i].m_childShape == shape)
 		{
-			m_children.swap(i,m_children.size()-1);
-			m_children.pop_back();
-			//remove it from the m_dynamicAabbTree too
-			//@todo: this leads to problems due to caching in the btCompoundCollisionAlgorithm
-			//so effectively, removeChildShape is broken at the moment
-			//m_dynamicAabbTree->remove(m_aabbProxies[i]);
-			//m_aabbProxies.swap(i,m_children.size()-1);
-			//m_aabbProxies.pop_back();
+			removeChildShapeByIndex(i);
 		}
 	}
 
@@ -145,8 +145,8 @@ void btCompoundShape::recalculateLocalAabb()
 	// Recalculate the local aabb
 	// Brute force, it iterates over all the shapes left.
 
-	m_localAabbMin = btVector3(btScalar(1e30),btScalar(1e30),btScalar(1e30));
-	m_localAabbMax = btVector3(btScalar(-1e30),btScalar(-1e30),btScalar(-1e30));
+	m_localAabbMin = btVector3(btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT));
+	m_localAabbMax = btVector3(btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT));
 
 	//extend the local aabbMin/aabbMax
 	for (int j = 0; j < m_children.size(); j++)
@@ -223,9 +223,13 @@ void btCompoundShape::calculatePrincipalAxisTransform(btScalar* masses, btTransf
 
 	for (k = 0; k < n; k++)
 	{
+		btAssert(masses[k]>0);
 		center += m_children[k].m_transform.getOrigin() * masses[k];
 		totalMass += masses[k];
 	}
+
+	btAssert(totalMass>0);
+
 	center /= totalMass;
 	principal.setOrigin(center);
 
@@ -271,3 +275,82 @@ void btCompoundShape::calculatePrincipalAxisTransform(btScalar* masses, btTransf
 
 
 
+void btCompoundShape::setLocalScaling(const btVector3& scaling)
+{
+
+	for(int i = 0; i < m_children.size(); i++)
+	{
+		btTransform childTrans = getChildTransform(i);
+		btVector3 childScale = m_children[i].m_childShape->getLocalScaling();
+//		childScale = childScale * (childTrans.getBasis() * scaling);
+		childScale = childScale * scaling / m_localScaling;
+		m_children[i].m_childShape->setLocalScaling(childScale);
+		childTrans.setOrigin((childTrans.getOrigin())*scaling);
+		updateChildTransform(i, childTrans,false);
+	}
+	
+	m_localScaling = scaling;
+	recalculateLocalAabb();
+
+}
+
+
+void btCompoundShape::createAabbTreeFromChildren()
+{
+    if ( !m_dynamicAabbTree )
+    {
+        void* mem = btAlignedAlloc(sizeof(btDbvt),16);
+        m_dynamicAabbTree = new(mem) btDbvt();
+        btAssert(mem==m_dynamicAabbTree);
+
+        for ( int index = 0; index < m_children.size(); index++ )
+        {
+            btCompoundShapeChild &child = m_children[index];
+
+            //extend the local aabbMin/aabbMax
+            btVector3 localAabbMin,localAabbMax;
+            child.m_childShape->getAabb(child.m_transform,localAabbMin,localAabbMax);
+
+            const btDbvtVolume  bounds=btDbvtVolume::FromMM(localAabbMin,localAabbMax);
+            child.m_node = m_dynamicAabbTree->insert(bounds,(void*)index);
+        }
+    }
+}
+
+
+///fills the dataBuffer and returns the struct name (and 0 on failure)
+const char*	btCompoundShape::serialize(void* dataBuffer, btSerializer* serializer) const
+{
+
+	btCompoundShapeData* shapeData = (btCompoundShapeData*) dataBuffer;
+	btCollisionShape::serialize(&shapeData->m_collisionShapeData, serializer);
+
+	shapeData->m_collisionMargin = float(m_collisionMargin);
+	shapeData->m_numChildShapes = m_children.size();
+	shapeData->m_childShapePtr = 0;
+	if (shapeData->m_numChildShapes)
+	{
+		btChunk* chunk = serializer->allocate(sizeof(btCompoundShapeChildData),shapeData->m_numChildShapes);
+		btCompoundShapeChildData* memPtr = (btCompoundShapeChildData*)chunk->m_oldPtr;
+		shapeData->m_childShapePtr = (btCompoundShapeChildData*)serializer->getUniquePointer(memPtr);
+
+		for (int i=0;i<shapeData->m_numChildShapes;i++,memPtr++)
+		{
+			memPtr->m_childMargin = float(m_children[i].m_childMargin);
+			memPtr->m_childShape = (btCollisionShapeData*)serializer->getUniquePointer(m_children[i].m_childShape);
+			//don't serialize shapes that already have been serialized
+			if (!serializer->findPointer(m_children[i].m_childShape))
+			{
+				btChunk* chunk = serializer->allocate(m_children[i].m_childShape->calculateSerializeBufferSize(),1);
+				const char* structType = m_children[i].m_childShape->serialize(chunk->m_oldPtr,serializer);
+				serializer->finalizeChunk(chunk,structType,BT_SHAPE_CODE,m_children[i].m_childShape);
+			} 
+
+			memPtr->m_childShapeType = m_children[i].m_childShapeType;
+			m_children[i].m_transform.serializeFloat(memPtr->m_transform);
+		}
+		serializer->finalizeChunk(chunk,"btCompoundShapeChildData",BT_ARRAY_CODE,chunk->m_oldPtr);
+	}
+	return "btCompoundShapeData";
+}
+
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btCompoundShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btCompoundShape.h
index 434860c8633..7f41dd4517b 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btCompoundShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btCompoundShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -62,6 +62,11 @@ ATTRIBUTE_ALIGNED16(class) btCompoundShape	: public btCollisionShape
 	///increment m_updateRevision when adding/removing/replacing child shapes, so that some caches can be updated
 	int								m_updateRevision;
 
+	btScalar	m_collisionMargin;
+
+protected:
+	btVector3	m_localScaling;
+
 public:
 	BT_DECLARE_ALIGNED_ALLOCATOR();
 
@@ -101,7 +106,7 @@ public:
 	}
 
 	///set a new transform for a child, and update internal data structures (local aabb and dynamic tree)
-	void	updateChildTransform(int childIndex, const btTransform& newChildTransform);
+	void	updateChildTransform(int childIndex, const btTransform& newChildTransform, bool shouldRecalculateLocalAabb = true);
 
 
 	btCompoundShapeChild* getChildList()
@@ -116,10 +121,8 @@ public:
 	Use this yourself if you modify the children or their transforms. */
 	virtual void recalculateLocalAabb(); 
 
-	virtual void	setLocalScaling(const btVector3& scaling)
-	{
-		m_localScaling = scaling;
-	}
+	virtual void	setLocalScaling(const btVector3& scaling);
+
 	virtual const btVector3& getLocalScaling() const 
 	{
 		return m_localScaling;
@@ -140,14 +143,18 @@ public:
 		return "Compound";
 	}
 
-	//this is optional, but should make collision queries faster, by culling non-overlapping nodes
-	void	createAabbTreeFromChildren();
-
-	btDbvt*							getDynamicAabbTree()
+	const btDbvt*	getDynamicAabbTree() const
+	{
+		return m_dynamicAabbTree;
+	}
+	
+	btDbvt*	getDynamicAabbTree()
 	{
 		return m_dynamicAabbTree;
 	}
 
+	void createAabbTreeFromChildren();
+
 	///computes the exact moment of inertia and the transform from the coordinate system defined by the principal axes of the moment of inertia
 	///and the center of mass to the current coordinate system. "masses" points to an array of masses of the children. The resulting transform
 	///"principal" has to be applied inversely to all children transforms in order for the local coordinate system of the compound
@@ -160,13 +167,46 @@ public:
 		return m_updateRevision;
 	}
 
-private:
-	btScalar	m_collisionMargin;
-protected:
-	btVector3	m_localScaling;
+	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 btCompoundShapeChildData
+{
+	btTransformFloatData	m_transform;
+	btCollisionShapeData	*m_childShape;
+	int						m_childShapeType;
+	float					m_childMargin;
+};
+
+///do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64
+struct	btCompoundShapeData
+{
+	btCollisionShapeData		m_collisionShapeData;
+
+	btCompoundShapeChildData	*m_childShapePtr;
+
+	int							m_numChildShapes;
+
+	float	m_collisionMargin;
+
+};
+
+
+SIMD_FORCE_INLINE	int	btCompoundShape::calculateSerializeBufferSize() const
+{
+	return sizeof(btCompoundShapeData);
+}
+
+
+
+
+
 
 
 #endif //COMPOUND_SHAPE_H
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConcaveShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btConcaveShape.cpp
index 5103500a012..58ff84a5b02 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConcaveShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConcaveShape.cpp
@@ -1,7 +1,6 @@
-
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConcaveShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btConcaveShape.h
index 30065d55a12..2a370a47c75 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConcaveShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConcaveShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConeShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btConeShape.cpp
index d887be61ada..5e83087b320 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConeShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConeShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -131,3 +131,13 @@ btVector3	btConeShape::localGetSupportingVertex(const btVector3& vec)  const
 }
 
 
+void	btConeShape::setLocalScaling(const btVector3& scaling)
+{
+	int axis = m_coneIndices[1];
+	int r1 = m_coneIndices[0];
+	int r2 = m_coneIndices[2];
+	m_height *= scaling[axis] / m_localScaling[axis];
+	m_radius *= (scaling[r1] / m_localScaling[r1] + scaling[r2] / m_localScaling[r2]) / 2;
+	m_sinAngle = (m_radius / btSqrt(m_radius * m_radius + m_height * m_height));
+	btConvexInternalShape::setLocalScaling(scaling);
+}
\ No newline at end of file
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConeShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btConeShape.h
index 1869893f37a..bd7d1443ac2 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConeShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConeShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -81,6 +81,9 @@ public:
 		{
 			return m_coneIndices[1];
 		}
+
+	virtual void	setLocalScaling(const btVector3& scaling);
+
 };
 
 ///btConeShape implements a Cone shape, around the X axis
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvex2dShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvex2dShape.cpp
new file mode 100644
index 00000000000..10ea3e981af
--- /dev/null
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvex2dShape.cpp
@@ -0,0 +1,92 @@
+/*
+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.
+*/
+
+#include "btConvex2dShape.h"
+
+btConvex2dShape::btConvex2dShape(	btConvexShape* convexChildShape):
+btConvexShape (), m_childConvexShape(convexChildShape)
+{
+	m_shapeType = CONVEX_2D_SHAPE_PROXYTYPE;
+}
+	
+btConvex2dShape::~btConvex2dShape()
+{
+}
+
+	
+
+btVector3	btConvex2dShape::localGetSupportingVertexWithoutMargin(const btVector3& vec)const
+{
+	return m_childConvexShape->localGetSupportingVertexWithoutMargin(vec);
+}
+
+void	btConvex2dShape::batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const
+{
+	m_childConvexShape->batchedUnitVectorGetSupportingVertexWithoutMargin(vectors,supportVerticesOut,numVectors);
+}
+
+
+btVector3	btConvex2dShape::localGetSupportingVertex(const btVector3& vec)const
+{
+	return m_childConvexShape->localGetSupportingVertex(vec);
+}
+
+
+void	btConvex2dShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const
+{
+	///this linear upscaling is not realistic, but we don't deal with large mass ratios...
+	m_childConvexShape->calculateLocalInertia(mass,inertia);
+}
+
+
+	///getAabb's default implementation is brute force, expected derived classes to implement a fast dedicated version
+void btConvex2dShape::getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const
+{
+	m_childConvexShape->getAabb(t,aabbMin,aabbMax);
+}
+
+void btConvex2dShape::getAabbSlow(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const
+{
+	m_childConvexShape->getAabbSlow(t,aabbMin,aabbMax);
+}
+
+void	btConvex2dShape::setLocalScaling(const btVector3& scaling) 
+{
+	m_childConvexShape->setLocalScaling(scaling);
+}
+
+const btVector3& btConvex2dShape::getLocalScaling() const
+{
+	return m_childConvexShape->getLocalScaling();
+}
+
+void	btConvex2dShape::setMargin(btScalar margin)
+{
+	m_childConvexShape->setMargin(margin);
+}
+btScalar	btConvex2dShape::getMargin() const
+{
+	return m_childConvexShape->getMargin();
+}
+
+int		btConvex2dShape::getNumPreferredPenetrationDirections() const
+{
+	return m_childConvexShape->getNumPreferredPenetrationDirections();
+}
+	
+void	btConvex2dShape::getPreferredPenetrationDirection(int index, btVector3& penetrationVector) const
+{
+	m_childConvexShape->getPreferredPenetrationDirection(index,penetrationVector);
+}
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvex2dShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvex2dShape.h
new file mode 100644
index 00000000000..caf54329da9
--- /dev/null
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvex2dShape.h
@@ -0,0 +1,80 @@
+/*
+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 BT_CONVEX_2D_SHAPE_H
+#define BT_CONVEX_2D_SHAPE_H
+
+#include "BulletCollision/CollisionShapes/btConvexShape.h"
+#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types
+
+///The btConvex2dShape allows to use arbitrary convex shapes as 2d convex shapes, with the Z component assumed to be 0.
+///For 2d boxes, the btBox2dShape is recommended.
+class btConvex2dShape : public btConvexShape
+{
+	btConvexShape*	m_childConvexShape;
+
+	public:
+	
+	btConvex2dShape(	btConvexShape* convexChildShape);
+	
+	virtual ~btConvex2dShape();
+	
+	virtual btVector3	localGetSupportingVertexWithoutMargin(const btVector3& vec)const;
+
+	virtual btVector3	localGetSupportingVertex(const btVector3& vec)const;
+
+	virtual void	batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const;
+
+	virtual void	calculateLocalInertia(btScalar mass,btVector3& inertia) const;
+
+	btConvexShape*	getChildShape() 
+	{
+		return m_childConvexShape;
+	}
+
+	const btConvexShape*	getChildShape() const
+	{
+		return m_childConvexShape;
+	}
+
+	virtual const char*	getName()const 
+	{
+		return "Convex2dShape";
+	}
+	
+
+
+	///////////////////////////
+
+
+	///getAabb's default implementation is brute force, expected derived classes to implement a fast dedicated version
+	void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const;
+
+	virtual void getAabbSlow(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const;
+
+	virtual void	setLocalScaling(const btVector3& scaling) ;
+	virtual const btVector3& getLocalScaling() const ;
+
+	virtual void	setMargin(btScalar margin);
+	virtual btScalar	getMargin() const;
+
+	virtual int		getNumPreferredPenetrationDirections() const;
+	
+	virtual void	getPreferredPenetrationDirection(int index, btVector3& penetrationVector) const;
+
+
+};
+
+#endif //BT_CONVEX_2D_SHAPE_H
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexHullShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexHullShape.cpp
index 7b45fad12df..69bc67cafab 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexHullShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexHullShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -12,14 +12,14 @@ subject to the following restrictions:
 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 "btConvexHullShape.h"
 #include "BulletCollision/CollisionShapes/btCollisionMargin.h"
 
 #include "LinearMath/btQuaternion.h"
+#include "LinearMath/btSerializer.h"
 
-
-
-btConvexHullShape ::btConvexHullShape (const btScalar* points,int numPoints,int stride) : btPolyhedralConvexShape ()
+btConvexHullShape ::btConvexHullShape (const btScalar* points,int numPoints,int stride) : btPolyhedralConvexAabbCachingShape ()
 {
 	m_shapeType = CONVEX_HULL_SHAPE_PROXYTYPE;
 	m_unscaledPoints.resize(numPoints);
@@ -52,22 +52,10 @@ void btConvexHullShape::addPoint(const btVector3& point)
 
 }
 
-btVector3	btConvexHullShape::localGetSupportingVertexWithoutMargin(const btVector3& vec0)const
+btVector3	btConvexHullShape::localGetSupportingVertexWithoutMargin(const btVector3& vec)const
 {
 	btVector3 supVec(btScalar(0.),btScalar(0.),btScalar(0.));
-	btScalar newDot,maxDot = btScalar(-1e30);
-
-	btVector3 vec = vec0;
-	btScalar lenSqr = vec.length2();
-	if (lenSqr < btScalar(0.0001))
-	{
-		vec.setValue(1,0,0);
-	} else
-	{
-		btScalar rlen = btScalar(1.) / btSqrt(lenSqr );
-		vec *= rlen;
-	}
-
+	btScalar newDot,maxDot = btScalar(-BT_LARGE_FLOAT);
 
 	for (int i=0;i<m_unscaledPoints.size();i++)
 	{
@@ -90,7 +78,7 @@ void	btConvexHullShape::batchedUnitVectorGetSupportingVertexWithoutMargin(const
 	{
 		for (int i=0;i<numVectors;i++)
 		{
-			supportVerticesOut[i][3] = btScalar(-1e30);
+			supportVerticesOut[i][3] = btScalar(-BT_LARGE_FLOAT);
 		}
 	}
 	for (int i=0;i<m_unscaledPoints.size();i++)
@@ -186,3 +174,38 @@ bool btConvexHullShape::isInside(const btVector3& ,btScalar ) const
 	return false;
 }
 
+///fills the dataBuffer and returns the struct name (and 0 on failure)
+const char*	btConvexHullShape::serialize(void* dataBuffer, btSerializer* serializer) const
+{
+	//int szc = sizeof(btConvexHullShapeData);
+	btConvexHullShapeData* shapeData = (btConvexHullShapeData*) dataBuffer;
+	btConvexInternalShape::serialize(&shapeData->m_convexInternalShapeData, serializer);
+
+	int numElem = m_unscaledPoints.size();
+	shapeData->m_numUnscaledPoints = numElem;
+#ifdef BT_USE_DOUBLE_PRECISION
+	shapeData->m_unscaledPointsFloatPtr = 0;
+	shapeData->m_unscaledPointsDoublePtr = numElem ? (btVector3Data*)serializer->getUniquePointer((void*)&m_unscaledPoints[0]):  0;
+#else
+	shapeData->m_unscaledPointsFloatPtr = numElem ? (btVector3Data*)serializer->getUniquePointer((void*)&m_unscaledPoints[0]):  0;
+	shapeData->m_unscaledPointsDoublePtr = 0;
+#endif
+	
+	if (numElem)
+	{
+		int sz = sizeof(btVector3Data);
+	//	int sz2 = sizeof(btVector3DoubleData);
+	//	int sz3 = sizeof(btVector3FloatData);
+		btChunk* chunk = serializer->allocate(sz,numElem);
+		btVector3Data* memPtr = (btVector3Data*)chunk->m_oldPtr;
+		for (int i=0;i<numElem;i++,memPtr++)
+		{
+			m_unscaledPoints[i].serialize(*memPtr);
+		}
+		serializer->finalizeChunk(chunk,btVector3DataName,BT_ARRAY_CODE,(void*)&m_unscaledPoints[0]);
+	}
+	
+	return "btConvexHullShapeData";
+}
+
+
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexHullShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexHullShape.h
index baf074be6c3..bf960f4df92 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexHullShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexHullShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -20,9 +20,10 @@ subject to the following restrictions:
 #include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types
 #include "LinearMath/btAlignedObjectArray.h"
 
+
 ///The btConvexHullShape implements an implicit convex hull of an array of vertices.
 ///Bullet provides a general and fast collision detector for convex shapes based on GJK and EPA using localGetSupportingVertex.
-ATTRIBUTE_ALIGNED16(class) btConvexHullShape : public btPolyhedralConvexShape
+ATTRIBUTE_ALIGNED16(class) btConvexHullShape : public btPolyhedralConvexAabbCachingShape
 {
 	btAlignedObjectArray<btVector3>	m_unscaledPoints;
 
@@ -88,8 +89,32 @@ public:
 	///in case we receive negative scaling
 	virtual void	setLocalScaling(const btVector3& scaling);
 
+	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	btConvexHullShapeData
+{
+	btConvexInternalShapeData	m_convexInternalShapeData;
+
+	btVector3FloatData	*m_unscaledPointsFloatPtr;
+	btVector3DoubleData	*m_unscaledPointsDoublePtr;
+
+	int		m_numUnscaledPoints;
+	char m_padding3[4];
+
 };
 
 
+SIMD_FORCE_INLINE	int	btConvexHullShape::calculateSerializeBufferSize() const
+{
+	return sizeof(btConvexHullShapeData);
+}
+
+
 #endif //CONVEX_HULL_SHAPE_H
 
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexInternalShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexInternalShape.cpp
index bfb741310e1..083d60b1b1e 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexInternalShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexInternalShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -34,7 +34,8 @@ void	btConvexInternalShape::setLocalScaling(const btVector3& scaling)
 
 void	btConvexInternalShape::getAabbSlow(const btTransform& trans,btVector3&minAabb,btVector3&maxAabb) const
 {
-
+#ifndef __SPU__
+	//use localGetSupportingVertexWithoutMargin?
 	btScalar margin = getMargin();
 	for (int i=0;i<3;i++)
 	{
@@ -49,6 +50,7 @@ void	btConvexInternalShape::getAabbSlow(const btTransform& trans,btVector3&minAa
 		tmp = trans(localGetSupportingVertex(vec*trans.getBasis()));
 		minAabb[i] = tmp[i]-margin;
 	}
+#endif
 }
 
 
@@ -79,3 +81,71 @@ btVector3	btConvexInternalShape::localGetSupportingVertex(const btVector3& vec)c
  }
 
 
+btConvexInternalAabbCachingShape::btConvexInternalAabbCachingShape()
+	:	btConvexInternalShape(),
+m_localAabbMin(1,1,1),
+m_localAabbMax(-1,-1,-1),
+m_isLocalAabbValid(false)
+{
+}
+
+
+void btConvexInternalAabbCachingShape::getAabb(const btTransform& trans,btVector3& aabbMin,btVector3& aabbMax) const
+{
+	getNonvirtualAabb(trans,aabbMin,aabbMax,getMargin());
+}
+
+void	btConvexInternalAabbCachingShape::setLocalScaling(const btVector3& scaling)
+{
+	btConvexInternalShape::setLocalScaling(scaling);
+	recalcLocalAabb();
+}
+
+
+void	btConvexInternalAabbCachingShape::recalcLocalAabb()
+{
+	m_isLocalAabbValid = true;
+	
+	#if 1
+	static const btVector3 _directions[] =
+	{
+		btVector3( 1.,  0.,  0.),
+		btVector3( 0.,  1.,  0.),
+		btVector3( 0.,  0.,  1.),
+		btVector3( -1., 0.,  0.),
+		btVector3( 0., -1.,  0.),
+		btVector3( 0.,  0., -1.)
+	};
+	
+	btVector3 _supporting[] =
+	{
+		btVector3( 0., 0., 0.),
+		btVector3( 0., 0., 0.),
+		btVector3( 0., 0., 0.),
+		btVector3( 0., 0., 0.),
+		btVector3( 0., 0., 0.),
+		btVector3( 0., 0., 0.)
+	};
+	
+	batchedUnitVectorGetSupportingVertexWithoutMargin(_directions, _supporting, 6);
+	
+	for ( int i = 0; i < 3; ++i )
+	{
+		m_localAabbMax[i] = _supporting[i][i] + m_collisionMargin;
+		m_localAabbMin[i] = _supporting[i + 3][i] - m_collisionMargin;
+	}
+	
+	#else
+
+	for (int i=0;i<3;i++)
+	{
+		btVector3 vec(btScalar(0.),btScalar(0.),btScalar(0.));
+		vec[i] = btScalar(1.);
+		btVector3 tmp = localGetSupportingVertex(vec);
+		m_localAabbMax[i] = tmp[i]+m_collisionMargin;
+		vec[i] = btScalar(-1.);
+		tmp = localGetSupportingVertex(vec);
+		m_localAabbMin[i] = tmp[i]-m_collisionMargin;
+	}
+	#endif
+}
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexInternalShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexInternalShape.h
index bab720d7b6d..12527731804 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexInternalShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexInternalShape.h
@@ -1,8 +1,24 @@
+/*
+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 BT_CONVEX_INTERNAL_SHAPE_H
 #define BT_CONVEX_INTERNAL_SHAPE_H
 
 #include "btConvexShape.h"
+#include "LinearMath/btAabbUtil2.h"
+
 
 ///The btConvexInternalShape is an internal base class, shared by most convex shape implementations.
 class btConvexInternalShape : public btConvexShape
@@ -37,6 +53,15 @@ public:
 		return m_implicitShapeDimensions;
 	}
 
+	///warning: use setImplicitShapeDimensions with care
+	///changing a collision shape while the body is in the world is not recommended,
+	///it is best to remove the body from the world, then make the change, and re-add it
+	///alternatively flush the contact points, see documentation for 'cleanProxyFromPairs'
+	void	setImplicitShapeDimensions(const btVector3& dimensions)
+	{
+		m_implicitShapeDimensions = dimensions;
+	}
+
 	///getAabb's default implementation is brute force, expected derived classes to implement a fast dedicated version
 	void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const
 	{
@@ -85,9 +110,93 @@ public:
 		btAssert(0);
 	}
 
+	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	btConvexInternalShapeData
+{
+	btCollisionShapeData	m_collisionShapeData;
+
+	btVector3FloatData	m_localScaling;
 
+	btVector3FloatData	m_implicitShapeDimensions;
 	
+	float			m_collisionMargin;
+
+	int	m_padding;
+
 };
 
 
+
+SIMD_FORCE_INLINE	int	btConvexInternalShape::calculateSerializeBufferSize() const
+{
+	return sizeof(btConvexInternalShapeData);
+}
+
+///fills the dataBuffer and returns the struct name (and 0 on failure)
+SIMD_FORCE_INLINE	const char*	btConvexInternalShape::serialize(void* dataBuffer, btSerializer* serializer) const
+{
+	btConvexInternalShapeData* shapeData = (btConvexInternalShapeData*) dataBuffer;
+	btCollisionShape::serialize(&shapeData->m_collisionShapeData, serializer);
+
+	m_implicitShapeDimensions.serializeFloat(shapeData->m_implicitShapeDimensions);
+	m_localScaling.serializeFloat(shapeData->m_localScaling);
+	shapeData->m_collisionMargin = float(m_collisionMargin);
+
+	return "btConvexInternalShapeData";
+}
+
+
+
+
+///btConvexInternalAabbCachingShape adds local aabb caching for convex shapes, to avoid expensive bounding box calculations
+class btConvexInternalAabbCachingShape : public btConvexInternalShape
+{
+	btVector3	m_localAabbMin;
+	btVector3	m_localAabbMax;
+	bool		m_isLocalAabbValid;
+	
+protected:
+					
+	btConvexInternalAabbCachingShape();
+	
+	void setCachedLocalAabb (const btVector3& aabbMin, const btVector3& aabbMax)
+	{
+		m_isLocalAabbValid = true;
+		m_localAabbMin = aabbMin;
+		m_localAabbMax = aabbMax;
+	}
+
+	inline void getCachedLocalAabb (btVector3& aabbMin, btVector3& aabbMax) const
+	{
+		btAssert(m_isLocalAabbValid);
+		aabbMin = m_localAabbMin;
+		aabbMax = m_localAabbMax;
+	}
+
+	inline void getNonvirtualAabb(const btTransform& trans,btVector3& aabbMin,btVector3& aabbMax, btScalar margin) const
+	{
+
+		//lazy evaluation of local aabb
+		btAssert(m_isLocalAabbValid);
+		btTransformAabb(m_localAabbMin,m_localAabbMax,margin,trans,aabbMin,aabbMax);
+	}
+		
+public:
+		
+	virtual void	setLocalScaling(const btVector3& scaling);
+
+	virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const;
+
+	void	recalcLocalAabb();
+
+};
+
 #endif //BT_CONVEX_INTERNAL_SHAPE_H
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexPointCloudShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexPointCloudShape.cpp
index 4ab5d692945..c1b155aef45 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexPointCloudShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexPointCloudShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -12,6 +12,7 @@ subject to the following restrictions:
 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 "btConvexPointCloudShape.h"
 #include "BulletCollision/CollisionShapes/btCollisionMargin.h"
 
@@ -27,7 +28,7 @@ void btConvexPointCloudShape::setLocalScaling(const btVector3& scaling)
 btVector3	btConvexPointCloudShape::localGetSupportingVertexWithoutMargin(const btVector3& vec0)const
 {
 	btVector3 supVec(btScalar(0.),btScalar(0.),btScalar(0.));
-	btScalar newDot,maxDot = btScalar(-1e30);
+	btScalar newDot,maxDot = btScalar(-BT_LARGE_FLOAT);
 
 	btVector3 vec = vec0;
 	btScalar lenSqr = vec.length2();
@@ -62,7 +63,7 @@ void	btConvexPointCloudShape::batchedUnitVectorGetSupportingVertexWithoutMargin(
 	{
 		for (int i=0;i<numVectors;i++)
 		{
-			supportVerticesOut[i][3] = btScalar(-1e30);
+			supportVerticesOut[i][3] = btScalar(-BT_LARGE_FLOAT);
 		}
 	}
 	for (int i=0;i<m_numPoints;i++)
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexPointCloudShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexPointCloudShape.h
index 7e1c13b29c1..54b5afac3ec 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexPointCloudShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexPointCloudShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -21,7 +21,7 @@ subject to the following restrictions:
 #include "LinearMath/btAlignedObjectArray.h"
 
 ///The btConvexPointCloudShape implements an implicit convex hull of an array of vertices.
-ATTRIBUTE_ALIGNED16(class) btConvexPointCloudShape : public btPolyhedralConvexShape
+ATTRIBUTE_ALIGNED16(class) btConvexPointCloudShape : public btPolyhedralConvexAabbCachingShape
 {
 	btVector3* m_unscaledPoints;
 	int m_numPoints;
@@ -29,6 +29,14 @@ ATTRIBUTE_ALIGNED16(class) btConvexPointCloudShape : public btPolyhedralConvexSh
 public:
 	BT_DECLARE_ALIGNED_ALLOCATOR();
 
+	btConvexPointCloudShape()
+	{
+		m_localScaling.setValue(1.f,1.f,1.f);
+		m_shapeType = CONVEX_POINT_CLOUD_SHAPE_PROXYTYPE;
+		m_unscaledPoints = 0;
+		m_numPoints = 0;
+	}
+
 	btConvexPointCloudShape(btVector3* points,int numPoints, const btVector3& localScaling,bool computeAabb = true)
 	{
 		m_localScaling = localScaling;
@@ -40,10 +48,11 @@ public:
 			recalcLocalAabb();
 	}
 
-	void setPoints (btVector3* points, int numPoints, bool computeAabb = true)
+	void setPoints (btVector3* points, int numPoints, bool computeAabb = true,const btVector3& localScaling=btVector3(1.f,1.f,1.f))
 	{
 		m_unscaledPoints = points;
 		m_numPoints = numPoints;
+		m_localScaling = localScaling;
 
 		if (computeAabb)
 			recalcLocalAabb();
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.cpp
index 7e67696f4c7..f5f3aa58aa4 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -21,6 +21,18 @@ subject to the following restrictions:
 #include "btConvexHullShape.h"
 #include "btConvexPointCloudShape.h"
 
+///not supported on IBM SDK, until we fix the alignment of btVector3
+#if defined (__CELLOS_LV2__) && defined (__SPU__)
+#include <spu_intrinsics.h>
+static inline vec_float4 vec_dot3( vec_float4 vec0, vec_float4 vec1 )
+{
+    vec_float4 result;
+    result = spu_mul( vec0, vec1 );
+    result = spu_madd( spu_rlqwbyte( vec0, 4 ), spu_rlqwbyte( vec1, 4 ), result );
+    return spu_madd( spu_rlqwbyte( vec0, 8 ), spu_rlqwbyte( vec1, 8 ), result );
+}
+#endif //__SPU__
+
 btConvexShape::btConvexShape ()
 {
 }
@@ -32,35 +44,71 @@ btConvexShape::~btConvexShape()
 
 
 
-static btVector3 convexHullSupport (const btVector3& localDir, const btVector3* points, int numPoints, const btVector3& localScaling)
-{
-	btVector3 supVec(btScalar(0.),btScalar(0.),btScalar(0.));
-	btScalar newDot,maxDot = btScalar(-1e30);
-
-	btVector3 vec0(localDir.getX(),localDir.getY(),localDir.getZ());
-	btVector3 vec = vec0;
-	btScalar lenSqr = vec.length2();
-	if (lenSqr < btScalar(0.0001))
-	{
-		vec.setValue(1,0,0);
-	} else {
-		btScalar rlen = btScalar(1.) / btSqrt(lenSqr );
-		vec *= rlen;
+static btVector3 convexHullSupport (const btVector3& localDirOrg, const btVector3* points, int numPoints, const btVector3& localScaling)
+{	
+
+	btVector3 vec = localDirOrg * localScaling;
+
+#if defined (__CELLOS_LV2__) && defined (__SPU__)
+
+	btVector3 localDir = vec;
+
+	vec_float4 v_distMax = {-FLT_MAX,0,0,0};
+	vec_int4 v_idxMax = {-999,0,0,0};
+	int v=0;
+	int numverts = numPoints;
+
+	for(;v<(int)numverts-4;v+=4) {
+		vec_float4 p0 = vec_dot3(points[v  ].get128(),localDir.get128());
+		vec_float4 p1 = vec_dot3(points[v+1].get128(),localDir.get128());
+		vec_float4 p2 = vec_dot3(points[v+2].get128(),localDir.get128());
+		vec_float4 p3 = vec_dot3(points[v+3].get128(),localDir.get128());
+		const vec_int4 i0 = {v  ,0,0,0};
+		const vec_int4 i1 = {v+1,0,0,0};
+		const vec_int4 i2 = {v+2,0,0,0};
+		const vec_int4 i3 = {v+3,0,0,0};
+		vec_uint4  retGt01 = spu_cmpgt(p0,p1);
+		vec_float4 pmax01 = spu_sel(p1,p0,retGt01);
+		vec_int4   imax01 = spu_sel(i1,i0,retGt01);
+		vec_uint4  retGt23 = spu_cmpgt(p2,p3);
+		vec_float4 pmax23 = spu_sel(p3,p2,retGt23);
+		vec_int4   imax23 = spu_sel(i3,i2,retGt23);
+		vec_uint4  retGt0123 = spu_cmpgt(pmax01,pmax23);
+		vec_float4 pmax0123 = spu_sel(pmax23,pmax01,retGt0123);
+		vec_int4   imax0123 = spu_sel(imax23,imax01,retGt0123);
+		vec_uint4  retGtMax = spu_cmpgt(v_distMax,pmax0123);
+		v_distMax = spu_sel(pmax0123,v_distMax,retGtMax);
+		v_idxMax = spu_sel(imax0123,v_idxMax,retGtMax);
 	}
+	for(;v<(int)numverts;v++) {
+		vec_float4 p = vec_dot3(points[v].get128(),localDir.get128());
+		const vec_int4 i = {v,0,0,0};
+		vec_uint4  retGtMax = spu_cmpgt(v_distMax,p);
+		v_distMax = spu_sel(p,v_distMax,retGtMax);
+		v_idxMax = spu_sel(i,v_idxMax,retGtMax);
+	}
+	int ptIndex = spu_extract(v_idxMax,0);
+	const btVector3& supVec= points[ptIndex] * localScaling;
+	return supVec;
+#else
 
+	btScalar newDot,maxDot = btScalar(-BT_LARGE_FLOAT);
+	int ptIndex = -1;
 
 	for (int i=0;i<numPoints;i++)
 	{
-		btVector3 vtx = points[i] * localScaling;
 
-		newDot = vec.dot(vtx);
+		newDot = vec.dot(points[i]);
 		if (newDot > maxDot)
 		{
 			maxDot = newDot;
-			supVec = vtx;
+			ptIndex = i;
 		}
 	}
-	return btVector3(supVec.getX(),supVec.getY(),supVec.getZ());
+	btAssert(ptIndex >= 0);
+	btVector3 supVec = points[ptIndex] * localScaling;
+	return supVec;
+#endif //__SPU__
 }
 
 btVector3 btConvexShape::localGetSupportVertexWithoutMarginNonVirtual (const btVector3& localDir) const
@@ -160,7 +208,7 @@ btVector3 btConvexShape::localGetSupportVertexWithoutMarginNonVirtual (const btV
 		btScalar radius = capsuleShape->getRadius();
 		btVector3 supVec(0,0,0);
 
-		btScalar maxDot(btScalar(-1e30));
+		btScalar maxDot(btScalar(-BT_LARGE_FLOAT));
 
 		btVector3 vec = vec0;
 		btScalar lenSqr = vec.length2();
@@ -292,7 +340,7 @@ btScalar btConvexShape::getMarginNonVirtual () const
 	btAssert (0);
 	return btScalar(0.0f);
 }
-
+#ifndef __SPU__
 void btConvexShape::getAabbNonVirtual (const btTransform& t, btVector3& aabbMin, btVector3& aabbMax) const
 {
 	switch (m_shapeType)
@@ -360,7 +408,7 @@ void btConvexShape::getAabbNonVirtual (const btTransform& t, btVector3& aabbMin,
 	case CONVEX_POINT_CLOUD_SHAPE_PROXYTYPE:
 	case CONVEX_HULL_SHAPE_PROXYTYPE:
 	{
-		btPolyhedralConvexShape* convexHullShape = (btPolyhedralConvexShape*)this;
+		btPolyhedralConvexAabbCachingShape* convexHullShape = (btPolyhedralConvexAabbCachingShape*)this;
 		btScalar margin = convexHullShape->getMarginNonVirtual();
 		convexHullShape->getNonvirtualAabb (t, aabbMin, aabbMax, margin);
 	}
@@ -377,3 +425,5 @@ void btConvexShape::getAabbNonVirtual (const btTransform& t, btVector3& aabbMin,
 	// should never reach here
 	btAssert (0);
 }
+
+#endif //__SPU__
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.h
index 0cc7b349521..9c158259c1c 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.cpp
index 4bd986bb7f7..0f9ced554b8 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -12,6 +12,7 @@ subject to the following restrictions:
 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 "btConvexTriangleMeshShape.h"
 #include "BulletCollision/CollisionShapes/btCollisionMargin.h"
 
@@ -20,7 +21,7 @@ subject to the following restrictions:
 
 
 btConvexTriangleMeshShape ::btConvexTriangleMeshShape (btStridingMeshInterface* meshInterface, bool calcAabb)
-: btPolyhedralConvexShape(), m_stridingMesh(meshInterface)
+: btPolyhedralConvexAabbCachingShape(), m_stridingMesh(meshInterface)
 {
 	m_shapeType = CONVEX_TRIANGLEMESH_SHAPE_PROXYTYPE;
 	if ( calcAabb )
@@ -43,7 +44,7 @@ public:
 
 	LocalSupportVertexCallback(const btVector3& supportVecLocal)
 		: m_supportVertexLocal(btScalar(0.),btScalar(0.),btScalar(0.)),
-		m_maxDot(btScalar(-1e30)),
+		m_maxDot(btScalar(-BT_LARGE_FLOAT)),
                 m_supportVecLocal(supportVecLocal)
 	{
 	}
@@ -91,7 +92,7 @@ btVector3	btConvexTriangleMeshShape::localGetSupportingVertexWithoutMargin(const
 	}
 
 	LocalSupportVertexCallback	supportCallback(vec);
-	btVector3 aabbMax(btScalar(1e30),btScalar(1e30),btScalar(1e30));
+	btVector3 aabbMax(btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT));
 	m_stridingMesh->InternalProcessAllTriangles(&supportCallback,-aabbMax,aabbMax);
 	supVec = supportCallback.GetSupportVertexLocal();
 
@@ -104,7 +105,7 @@ void	btConvexTriangleMeshShape::batchedUnitVectorGetSupportingVertexWithoutMargi
 	{
 		for (int i=0;i<numVectors;i++)
 		{
-			supportVerticesOut[i][3] = btScalar(-1e30);
+			supportVerticesOut[i][3] = btScalar(-BT_LARGE_FLOAT);
 		}
 	}
 	
@@ -115,7 +116,7 @@ void	btConvexTriangleMeshShape::batchedUnitVectorGetSupportingVertexWithoutMargi
 	{
 		const btVector3& vec = vectors[j];
 		LocalSupportVertexCallback	supportCallback(vec);
-		btVector3 aabbMax(btScalar(1e30),btScalar(1e30),btScalar(1e30));
+		btVector3 aabbMax(btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT));
 		m_stridingMesh->InternalProcessAllTriangles(&supportCallback,-aabbMax,aabbMax);
 		supportVerticesOut[j] = supportCallback.GetSupportVertexLocal();
 	}
@@ -297,7 +298,7 @@ void btConvexTriangleMeshShape::calculatePrincipalAxisTransform(btTransform& pri
    };
 
    CenterCallback centerCallback;
-   btVector3 aabbMax(btScalar(1e30),btScalar(1e30),btScalar(1e30));
+   btVector3 aabbMax(btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT));
    m_stridingMesh->InternalProcessAllTriangles(&centerCallback, -aabbMax, aabbMax);
    btVector3 center = centerCallback.getCenter();
    principal.setOrigin(center);
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.h
index 9d7e39fce69..f5167e74b80 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.h
@@ -1,3 +1,17 @@
+/*
+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 CONVEX_TRIANGLEMESH_SHAPE_H
 #define CONVEX_TRIANGLEMESH_SHAPE_H
 
@@ -8,7 +22,7 @@
 
 /// The btConvexTriangleMeshShape is a convex hull of a triangle mesh, but the performance is not as good as btConvexHullShape.
 /// A small benefit of this class is that it uses the btStridingMeshInterface, so you can avoid the duplication of the triangle mesh data. Nevertheless, most users should use the much better performing btConvexHullShape instead.
-class btConvexTriangleMeshShape : public btPolyhedralConvexShape
+class btConvexTriangleMeshShape : public btPolyhedralConvexAabbCachingShape
 {
 
 	class btStridingMeshInterface*	m_stridingMesh;
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btCylinderShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btCylinderShape.cpp
index c9fa907edf3..c2e534b0b46 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btCylinderShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btCylinderShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -12,14 +12,16 @@ subject to the following restrictions:
 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 "btCylinderShape.h"
 
 btCylinderShape::btCylinderShape (const btVector3& halfExtents)
-:btBoxShape(halfExtents),
+:btConvexInternalShape(),
 m_upAxis(1)
 {
+	btVector3 margin(getMargin(),getMargin(),getMargin());
+	m_implicitShapeDimensions = (halfExtents * m_localScaling) - margin;
 	m_shapeType = CYLINDER_SHAPE_PROXYTYPE;
-	recalcLocalAabb();
 }
 
 
@@ -27,7 +29,7 @@ btCylinderShapeX::btCylinderShapeX (const btVector3& halfExtents)
 :btCylinderShape(halfExtents)
 {
 	m_upAxis = 0;
-	recalcLocalAabb();
+
 }
 
 
@@ -35,13 +37,84 @@ btCylinderShapeZ::btCylinderShapeZ (const btVector3& halfExtents)
 :btCylinderShape(halfExtents)
 {
 	m_upAxis = 2;
-	recalcLocalAabb();
+
 }
 
 void btCylinderShape::getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const
 {
-	//skip the box 'getAabb'
-	btPolyhedralConvexShape::getAabb(t,aabbMin,aabbMax);
+	btTransformAabb(getHalfExtentsWithoutMargin(),getMargin(),t,aabbMin,aabbMax);
+}
+
+void	btCylinderShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const
+{
+
+//Until Bullet 2.77 a box approximation was used, so uncomment this if you need backwards compatibility
+//#define USE_BOX_INERTIA_APPROXIMATION 1
+#ifndef USE_BOX_INERTIA_APPROXIMATION
+
+	/*
+	cylinder is defined as following:
+	*
+	* - principle axis aligned along y by default, radius in x, z-value not used
+	* - for btCylinderShapeX: principle axis aligned along x, radius in y direction, z-value not used
+	* - for btCylinderShapeZ: principle axis aligned along z, radius in x direction, y-value not used
+	*
+	*/
+
+	btScalar radius2;	// square of cylinder radius
+	btScalar height2;	// square of cylinder height
+	btVector3 halfExtents = getHalfExtentsWithMargin();	// get cylinder dimension
+	btScalar div12 = mass / 12.f;
+	btScalar div4 = mass / 4.f;
+	btScalar div2 = mass / 2.f;
+	int idxRadius, idxHeight;
+
+	switch (m_upAxis)	// get indices of radius and height of cylinder
+	{
+		case 0:		// cylinder is aligned along x
+			idxRadius = 1;
+			idxHeight = 0;
+			break;
+		case 2:		// cylinder is aligned along z
+			idxRadius = 0;
+			idxHeight = 2;
+			break;
+		default:	// cylinder is aligned along y
+			idxRadius = 0;
+			idxHeight = 1;
+	}
+
+	// calculate squares
+	radius2 = halfExtents[idxRadius] * halfExtents[idxRadius];
+	height2 = btScalar(4.) * halfExtents[idxHeight] * halfExtents[idxHeight];
+
+	// calculate tensor terms
+	btScalar t1 = div12 * height2 + div4 * radius2;
+	btScalar t2 = div2 * radius2;
+
+	switch (m_upAxis)	// set diagonal elements of inertia tensor
+	{
+		case 0:		// cylinder is aligned along x
+			inertia.setValue(t2,t1,t1);
+			break;
+		case 2:		// cylinder is aligned along z
+			inertia.setValue(t1,t1,t2);
+			break;
+		default:	// cylinder is aligned along y
+			inertia.setValue(t1,t2,t1);
+	}
+#else //USE_BOX_INERTIA_APPROXIMATION
+	//approximation of box shape
+	btVector3 halfExtents = getHalfExtentsWithMargin();
+
+	btScalar lx=btScalar(2.)*(halfExtents.x());
+	btScalar ly=btScalar(2.)*(halfExtents.y());
+	btScalar lz=btScalar(2.)*(halfExtents.z());
+
+	inertia.setValue(mass/(btScalar(12.0)) * (ly*ly + lz*lz),
+					mass/(btScalar(12.0)) * (lx*lx + lz*lz),
+					mass/(btScalar(12.0)) * (lx*lx + ly*ly));
+#endif //USE_BOX_INERTIA_APPROXIMATION
 }
 
 
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btCylinderShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btCylinderShape.h
index bda74a8612d..f7899265d31 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btCylinderShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btCylinderShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -21,7 +21,7 @@ subject to the following restrictions:
 #include "LinearMath/btVector3.h"
 
 /// The btCylinderShape class implements a cylinder shape primitive, centered around the origin. Its central axis aligned with the Y axis. btCylinderShapeX is aligned with the X axis and btCylinderShapeZ around the Z axis.
-class btCylinderShape : public btBoxShape
+class btCylinderShape : public btConvexInternalShape
 
 {
 
@@ -30,15 +30,42 @@ protected:
 	int	m_upAxis;
 
 public:
+
+	btVector3 getHalfExtentsWithMargin() const
+	{
+		btVector3 halfExtents = getHalfExtentsWithoutMargin();
+		btVector3 margin(getMargin(),getMargin(),getMargin());
+		halfExtents += margin;
+		return halfExtents;
+	}
+	
+	const btVector3& getHalfExtentsWithoutMargin() const
+	{
+		return m_implicitShapeDimensions;//changed in Bullet 2.63: assume the scaling and margin are included
+	}
+
 	btCylinderShape (const btVector3& halfExtents);
 	
-	///getAabb's default implementation is brute force, expected derived classes to implement a fast dedicated version
 	void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const;
 
+	virtual void	calculateLocalInertia(btScalar mass,btVector3& inertia) const;
+
 	virtual btVector3	localGetSupportingVertexWithoutMargin(const btVector3& vec)const;
 
 	virtual void	batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const;
 
+	virtual void setMargin(btScalar collisionMargin)
+	{
+		//correct the m_implicitShapeDimensions for the margin
+		btVector3 oldMargin(getMargin(),getMargin(),getMargin());
+		btVector3 implicitShapeDimensionsWithMargin = m_implicitShapeDimensions+oldMargin;
+		
+		btConvexInternalShape::setMargin(collisionMargin);
+		btVector3 newMargin(getMargin(),getMargin(),getMargin());
+		m_implicitShapeDimensions = implicitShapeDimensionsWithMargin - newMargin;
+
+	}
+
 	virtual btVector3	localGetSupportingVertex(const btVector3& vec) const
 	{
 
@@ -73,13 +100,28 @@ public:
 		return getHalfExtentsWithMargin().getX();
 	}
 
+	virtual void	setLocalScaling(const btVector3& scaling)
+	{
+		btVector3 oldMargin(getMargin(),getMargin(),getMargin());
+		btVector3 implicitShapeDimensionsWithMargin = m_implicitShapeDimensions+oldMargin;
+		btVector3 unScaledImplicitShapeDimensionsWithMargin = implicitShapeDimensionsWithMargin / m_localScaling;
+
+		btConvexInternalShape::setLocalScaling(scaling);
+
+		m_implicitShapeDimensions = (unScaledImplicitShapeDimensionsWithMargin * m_localScaling) - oldMargin;
+
+	}
+
 	//debugging
 	virtual const char*	getName()const
 	{
 		return "CylinderY";
 	}
 
+	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;
 
 };
 
@@ -112,10 +154,6 @@ public:
 	virtual btVector3	localGetSupportingVertexWithoutMargin(const btVector3& vec)const;
 	virtual void	batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const;
 
-	virtual int	getUpAxis() const
-	{
-		return 2;
-	}
 		//debugging
 	virtual const char*	getName()const
 	{
@@ -129,6 +167,34 @@ public:
 
 };
 
+///do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64
+struct	btCylinderShapeData
+{
+	btConvexInternalShapeData	m_convexInternalShapeData;
+
+	int	m_upAxis;
+
+	char	m_padding[4];
+};
+
+SIMD_FORCE_INLINE	int	btCylinderShape::calculateSerializeBufferSize() const
+{
+	return sizeof(btCylinderShapeData);
+}
+
+	///fills the dataBuffer and returns the struct name (and 0 on failure)
+SIMD_FORCE_INLINE	const char*	btCylinderShape::serialize(void* dataBuffer, btSerializer* serializer) const
+{
+	btCylinderShapeData* shapeData = (btCylinderShapeData*) dataBuffer;
+	
+	btConvexInternalShape::serialize(&shapeData->m_convexInternalShapeData,serializer);
+
+	shapeData->m_upAxis = m_upAxis;
+	
+	return "btCylinderShapeData";
+}
+
+
 
 #endif //CYLINDER_MINKOWSKI_H
 
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btEmptyShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btEmptyShape.cpp
index 8387b9584bb..a9e6df5c58e 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btEmptyShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btEmptyShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btEmptyShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btEmptyShape.h
index 8720d53ae63..9f6b4435c29 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btEmptyShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btEmptyShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.cpp
index 7d4875d8037..3a1e6f4a2b9 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.h
index 36489a0ebc3..4f5d1e35bf3 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btMaterial.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btMaterial.h
index 7cb6d5ab6fe..030e167da50 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btMaterial.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btMaterial.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2008 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -31,4 +31,5 @@ public:
     btMaterial(btScalar fric, btScalar rest) { m_friction = fric; m_restitution = rest; }
 };
 
-#endif // MATERIAL_H
\ No newline at end of file
+#endif // MATERIAL_H
+
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btMinkowskiSumShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btMinkowskiSumShape.cpp
index b107b0bea6e..06707e24e55 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btMinkowskiSumShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btMinkowskiSumShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -13,6 +13,7 @@ subject to the following restrictions:
 3. This notice may not be removed or altered from any source distribution.
 */
 
+
 #include "btMinkowskiSumShape.h"
 
 
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btMinkowskiSumShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btMinkowskiSumShape.h
index 6f637fbf40b..d6fd040213b 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btMinkowskiSumShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btMinkowskiSumShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btMultiSphereShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultiSphereShape.cpp
index 9423505290d..c996bfcdaba 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btMultiSphereShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultiSphereShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -13,29 +13,31 @@ subject to the following restrictions:
 3. This notice may not be removed or altered from any source distribution.
 */
 
+
+
 #include "btMultiSphereShape.h"
 #include "BulletCollision/CollisionShapes/btCollisionMargin.h"
 #include "LinearMath/btQuaternion.h"
+#include "LinearMath/btSerializer.h"
 
-btMultiSphereShape::btMultiSphereShape (const btVector3& inertiaHalfExtents,const btVector3* positions,const btScalar* radi,int numSpheres)
-:btConvexInternalShape (), m_inertiaHalfExtents(inertiaHalfExtents)
+btMultiSphereShape::btMultiSphereShape (const btVector3* positions,const btScalar* radi,int numSpheres)
+:btConvexInternalAabbCachingShape ()
 {
 	m_shapeType = MULTI_SPHERE_SHAPE_PROXYTYPE;
-	btScalar startMargin = btScalar(1e30);
+	//btScalar startMargin = btScalar(BT_LARGE_FLOAT);
 
-	m_numSpheres = numSpheres;
-	for (int i=0;i<m_numSpheres;i++)
+	m_localPositionArray.resize(numSpheres);
+	m_radiArray.resize(numSpheres);
+	for (int i=0;i<numSpheres;i++)
 	{
-		m_localPositions[i] = positions[i];
-		m_radi[i] = radi[i];
-		if (radi[i] < startMargin)
-			startMargin = radi[i];
+		m_localPositionArray[i] = positions[i];
+		m_radiArray[i] = radi[i];
+		
 	}
-	setMargin(startMargin);
-
-}
 
+	recalcLocalAabb();
 
+}
 
  
  btVector3	btMultiSphereShape::localGetSupportingVertexWithoutMargin(const btVector3& vec0)const
@@ -43,7 +45,7 @@ btMultiSphereShape::btMultiSphereShape (const btVector3& inertiaHalfExtents,cons
 	int i;
 	btVector3 supVec(0,0,0);
 
-	btScalar maxDot(btScalar(-1e30));
+	btScalar maxDot(btScalar(-BT_LARGE_FLOAT));
 
 
 	btVector3 vec = vec0;
@@ -60,10 +62,11 @@ btMultiSphereShape::btMultiSphereShape (const btVector3& inertiaHalfExtents,cons
 	btVector3 vtx;
 	btScalar newDot;
 
-	const btVector3* pos = &m_localPositions[0];
-	const btScalar* rad = &m_radi[0];
+	const btVector3* pos = &m_localPositionArray[0];
+	const btScalar* rad = &m_radiArray[0];
+	int numSpheres = m_localPositionArray.size();
 
-	for (i=0;i<m_numSpheres;i++)
+	for (i=0;i<numSpheres;i++)
 	{
 		vtx = (*pos) +vec*m_localScaling*(*rad) - vec * getMargin();
 		pos++;
@@ -85,17 +88,17 @@ btMultiSphereShape::btMultiSphereShape (const btVector3& inertiaHalfExtents,cons
 
 	for (int j=0;j<numVectors;j++)
 	{
-		btScalar maxDot(btScalar(-1e30));
+		btScalar maxDot(btScalar(-BT_LARGE_FLOAT));
 
 		const btVector3& vec = vectors[j];
 
 		btVector3 vtx;
 		btScalar newDot;
 
-		const btVector3* pos = &m_localPositions[0];
-		const btScalar* rad = &m_radi[0];
-
-		for (int i=0;i<m_numSpheres;i++)
+		const btVector3* pos = &m_localPositionArray[0];
+		const btScalar* rad = &m_radiArray[0];
+		int numSpheres = m_localPositionArray.size();
+		for (int i=0;i<numSpheres;i++)
 		{
 			vtx = (*pos) +vec*m_localScaling*(*rad) - vec * getMargin();
 			pos++;
@@ -121,29 +124,44 @@ void	btMultiSphereShape::calculateLocalInertia(btScalar mass,btVector3& inertia)
 {
 	//as an approximation, take the inertia of the box that bounds the spheres
 
-	btTransform ident;
-	ident.setIdentity();
-//	btVector3 aabbMin,aabbMax;
-
-//	getAabb(ident,aabbMin,aabbMax);
+	btVector3 localAabbMin,localAabbMax;
+	getCachedLocalAabb(localAabbMin,localAabbMax);
+	btVector3 halfExtents = (localAabbMax-localAabbMin)*btScalar(0.5);
 
-	btVector3 halfExtents = m_inertiaHalfExtents;//(aabbMax - aabbMin)* btScalar(0.5);
+	btScalar lx=btScalar(2.)*(halfExtents.x());
+	btScalar ly=btScalar(2.)*(halfExtents.y());
+	btScalar lz=btScalar(2.)*(halfExtents.z());
 
-	btScalar margin = CONVEX_DISTANCE_MARGIN;
+	inertia.setValue(mass/(btScalar(12.0)) * (ly*ly + lz*lz),
+					mass/(btScalar(12.0)) * (lx*lx + lz*lz),
+					mass/(btScalar(12.0)) * (lx*lx + ly*ly));
 
-	btScalar lx=btScalar(2.)*(halfExtents[0]+margin);
-	btScalar ly=btScalar(2.)*(halfExtents[1]+margin);
-	btScalar lz=btScalar(2.)*(halfExtents[2]+margin);
-	const btScalar x2 = lx*lx;
-	const btScalar y2 = ly*ly;
-	const btScalar z2 = lz*lz;
-	const btScalar scaledmass = mass * btScalar(.08333333);
+}
 
-	inertia[0] = scaledmass * (y2+z2);
-	inertia[1] = scaledmass * (x2+z2);
-	inertia[2] = scaledmass * (x2+y2);
 
+///fills the dataBuffer and returns the struct name (and 0 on failure)
+const char*	btMultiSphereShape::serialize(void* dataBuffer, btSerializer* serializer) const
+{
+	btMultiSphereShapeData* shapeData = (btMultiSphereShapeData*) dataBuffer;
+	btConvexInternalShape::serialize(&shapeData->m_convexInternalShapeData, serializer);
+
+	int numElem = m_localPositionArray.size();
+	shapeData->m_localPositionArrayPtr = numElem ? (btPositionAndRadius*)serializer->getUniquePointer((void*)&m_localPositionArray[0]):  0;
+	
+	shapeData->m_localPositionArraySize = numElem;
+	if (numElem)
+	{
+		btChunk* chunk = serializer->allocate(sizeof(btPositionAndRadius),numElem);
+		btPositionAndRadius* memPtr = (btPositionAndRadius*)chunk->m_oldPtr;
+		for (int i=0;i<numElem;i++,memPtr++)
+		{
+			m_localPositionArray[i].serializeFloat(memPtr->m_pos);
+			memPtr->m_radius = float(m_radiArray[i]);
+		}
+		serializer->finalizeChunk(chunk,"btPositionAndRadius",BT_ARRAY_CODE,(void*)&m_localPositionArray[0]);
+	}
+	
+	return "btMultiSphereShapeData";
 }
 
 
-
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btMultiSphereShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultiSphereShape.h
index 97309fbbed9..3db7e320889 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btMultiSphereShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultiSphereShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -18,26 +18,21 @@ subject to the following restrictions:
 
 #include "btConvexInternalShape.h"
 #include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types
+#include "LinearMath/btAlignedObjectArray.h"
+#include "LinearMath/btAabbUtil2.h"
 
-#define MAX_NUM_SPHERES 5
 
-///The btMultiSphereShape represents the convex hull of a collection of spheres. You can create special capsules or other smooth volumes.
-///It is possible to animate the spheres for deformation.
-class btMultiSphereShape : public btConvexInternalShape
 
+///The btMultiSphereShape represents the convex hull of a collection of spheres. You can create special capsules or other smooth volumes.
+///It is possible to animate the spheres for deformation, but call 'recalcLocalAabb' after changing any sphere position/radius
+class btMultiSphereShape : public btConvexInternalAabbCachingShape
 {
 	
-	btVector3 m_localPositions[MAX_NUM_SPHERES];
-	btScalar  m_radi[MAX_NUM_SPHERES];
-	btVector3	m_inertiaHalfExtents;
-
-	int m_numSpheres;
+	btAlignedObjectArray<btVector3> m_localPositionArray;
+	btAlignedObjectArray<btScalar>  m_radiArray;
 	
-
-
-
 public:
-	btMultiSphereShape (const btVector3& inertiaHalfExtents,const btVector3* positions,const btScalar* radi,int numSpheres);
+	btMultiSphereShape (const btVector3* positions,const btScalar* radi,int numSpheres);
 
 	///CollisionShape Interface
 	virtual void	calculateLocalInertia(btScalar mass,btVector3& inertia) const;
@@ -49,17 +44,17 @@ public:
 	
 	int	getSphereCount() const
 	{
-		return m_numSpheres;
+		return m_localPositionArray.size();
 	}
 
 	const btVector3&	getSpherePosition(int index) const
 	{
-		return m_localPositions[index];
+		return m_localPositionArray[index];
 	}
 
 	btScalar	getSphereRadius(int index) const
 	{
-		return m_radi[index];
+		return m_radiArray[index];
 	}
 
 
@@ -68,7 +63,37 @@ public:
 		return "MultiSphere";
 	}
 
+	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;
+
+
+};
+
+
+struct	btPositionAndRadius
+{
+	btVector3FloatData	m_pos;
+	float		m_radius;
+};
+
+struct	btMultiSphereShapeData
+{
+	btConvexInternalShapeData	m_convexInternalShapeData;
+
+	btPositionAndRadius	*m_localPositionArrayPtr;
+	int				m_localPositionArraySize;
+	char	m_padding[4];
 };
 
 
+
+SIMD_FORCE_INLINE	int	btMultiSphereShape::calculateSerializeBufferSize() const
+{
+	return sizeof(btMultiSphereShapeData);
+}
+
+
+
 #endif //MULTI_SPHERE_MINKOWSKI_H
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.cpp
index fc47e86411d..58799ac96ad 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2008 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.h
index d025a5c4450..96b2ad95b6d 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2008 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -31,13 +31,11 @@ public:
 
 	BT_DECLARE_ALIGNED_ALLOCATOR();
 
-    btMultimaterialTriangleMeshShape(): btBvhTriangleMeshShape() {m_shapeType = MULTIMATERIAL_TRIANGLE_MESH_PROXYTYPE;}
     btMultimaterialTriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression, bool buildBvh = true):
         btBvhTriangleMeshShape(meshInterface, useQuantizedAabbCompression, buildBvh)
         {
             m_shapeType = MULTIMATERIAL_TRIANGLE_MESH_PROXYTYPE;
 
-            btVector3 m_triangle[3];
             const unsigned char *vertexbase;
             int numverts;
             PHY_ScalarType type;
@@ -71,7 +69,6 @@ public:
         {
             m_shapeType = MULTIMATERIAL_TRIANGLE_MESH_PROXYTYPE;
 
-            btVector3 m_triangle[3];
             const unsigned char *vertexbase;
             int numverts;
             PHY_ScalarType type;
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btOptimizedBvh.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btOptimizedBvh.cpp
index 3e73059394c..981b8a2652c 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btOptimizedBvh.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btOptimizedBvh.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -13,6 +13,7 @@ subject to the following restrictions:
 3. This notice may not be removed or altered from any source distribution.
 */
 
+
 #include "btOptimizedBvh.h"
 #include "btStridingMeshInterface.h"
 #include "LinearMath/btAabbUtil2.h"
@@ -55,8 +56,8 @@ void btOptimizedBvh::build(btStridingMeshInterface* triangles, bool useQuantized
 		{
 			btOptimizedBvhNode node;
 			btVector3	aabbMin,aabbMax;
-			aabbMin.setValue(btScalar(1e30),btScalar(1e30),btScalar(1e30));
-			aabbMax.setValue(btScalar(-1e30),btScalar(-1e30),btScalar(-1e30)); 
+			aabbMin.setValue(btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT));
+			aabbMax.setValue(btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT)); 
 			aabbMin.setMin(triangle[0]);
 			aabbMax.setMax(triangle[0]);
 			aabbMin.setMin(triangle[1]);
@@ -103,8 +104,8 @@ void btOptimizedBvh::build(btStridingMeshInterface* triangles, bool useQuantized
 
 			btQuantizedBvhNode node;
 			btVector3	aabbMin,aabbMax;
-			aabbMin.setValue(btScalar(1e30),btScalar(1e30),btScalar(1e30));
-			aabbMax.setValue(btScalar(-1e30),btScalar(-1e30),btScalar(-1e30)); 
+			aabbMin.setValue(btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT));
+			aabbMax.setValue(btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT)); 
 			aabbMin.setMin(triangle[0]);
 			aabbMax.setMax(triangle[0]);
 			aabbMin.setMin(triangle[1]);
@@ -167,8 +168,8 @@ void btOptimizedBvh::build(btStridingMeshInterface* triangles, bool useQuantized
 	{
 		NodeTriangleCallback	callback(m_leafNodes);
 
-		btVector3 aabbMin(btScalar(-1e30),btScalar(-1e30),btScalar(-1e30));
-		btVector3 aabbMax(btScalar(1e30),btScalar(1e30),btScalar(1e30));
+		btVector3 aabbMin(btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT));
+		btVector3 aabbMax(btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT));
 
 		triangles->InternalProcessAllTriangles(&callback,aabbMin,aabbMax);
 
@@ -336,8 +337,8 @@ void	btOptimizedBvh::updateBvhNodes(btStridingMeshInterface* meshInterface,int f
 
 
 				
-				aabbMin.setValue(btScalar(1e30),btScalar(1e30),btScalar(1e30));
-				aabbMax.setValue(btScalar(-1e30),btScalar(-1e30),btScalar(-1e30)); 
+				aabbMin.setValue(btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT));
+				aabbMax.setValue(btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT)); 
 				aabbMin.setMin(triangleVerts[0]);
 				aabbMax.setMax(triangleVerts[0]);
 				aabbMin.setMin(triangleVerts[1]);
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btOptimizedBvh.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btOptimizedBvh.h
index d7536417d7e..749fe6005dd 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btOptimizedBvh.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btOptimizedBvh.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -13,6 +13,8 @@ subject to the following restrictions:
 3. This notice may not be removed or altered from any source distribution.
 */
 
+///Contains contributions from Disney Studio's
+
 #ifndef OPTIMIZED_BVH_H
 #define OPTIMIZED_BVH_H
 
@@ -45,7 +47,7 @@ public:
 	void	updateBvhNodes(btStridingMeshInterface* meshInterface,int firstNode,int endNode,int index);
 
 	/// Data buffer MUST be 16 byte aligned
-	virtual bool serialize(void *o_alignedDataBuffer, unsigned i_dataBufferSize, bool i_swapEndian)
+	virtual bool serializeInPlace(void *o_alignedDataBuffer, unsigned i_dataBufferSize, bool i_swapEndian) const
 	{
 		return btQuantizedBvh::serialize(o_alignedDataBuffer,i_dataBufferSize,i_swapEndian);
 
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btPolyhedralConvexShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btPolyhedralConvexShape.cpp
index 7a79ac25791..b1ecb3e432c 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btPolyhedralConvexShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btPolyhedralConvexShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -15,11 +15,7 @@ subject to the following restrictions:
 
 #include "BulletCollision/CollisionShapes/btPolyhedralConvexShape.h"
 
-btPolyhedralConvexShape::btPolyhedralConvexShape() :btConvexInternalShape(),
-m_localAabbMin(1,1,1),
-m_localAabbMax(-1,-1,-1),
-m_isLocalAabbValid(false),
-m_optionalHull(0)
+btPolyhedralConvexShape::btPolyhedralConvexShape() :btConvexInternalShape()
 {
 
 }
@@ -27,10 +23,12 @@ m_optionalHull(0)
 
 btVector3	btPolyhedralConvexShape::localGetSupportingVertexWithoutMargin(const btVector3& vec0)const
 {
-	int i;
-	btVector3 supVec(0,0,0);
 
-	btScalar maxDot(btScalar(-1e30));
+
+	btVector3 supVec(0,0,0);
+#ifndef __SPU__
+	int i;
+	btScalar maxDot(btScalar(-BT_LARGE_FLOAT));
 
 	btVector3 vec = vec0;
 	btScalar lenSqr = vec.length2();
@@ -57,12 +55,16 @@ btVector3	btPolyhedralConvexShape::localGetSupportingVertexWithoutMargin(const b
 		}
 	}
 
+	
+#endif //__SPU__
 	return supVec;
-
 }
 
+
+
 void	btPolyhedralConvexShape::batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const
 {
+#ifndef __SPU__
 	int i;
 
 	btVector3 vtx;
@@ -70,7 +72,7 @@ void	btPolyhedralConvexShape::batchedUnitVectorGetSupportingVertexWithoutMargin(
 
 	for (i=0;i<numVectors;i++)
 	{
-		supportVerticesOut[i][3] = btScalar(-1e30);
+		supportVerticesOut[i][3] = btScalar(-BT_LARGE_FLOAT);
 	}
 
 	for (int j=0;j<numVectors;j++)
@@ -90,12 +92,14 @@ void	btPolyhedralConvexShape::batchedUnitVectorGetSupportingVertexWithoutMargin(
 			}
 		}
 	}
+#endif //__SPU__
 }
 
 
 
 void	btPolyhedralConvexShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const
 {
+#ifndef __SPU__
 	//not yet, return box inertia
 
 	btScalar margin = getMargin();
@@ -115,25 +119,31 @@ void	btPolyhedralConvexShape::calculateLocalInertia(btScalar mass,btVector3& ine
 	const btScalar scaledmass = mass * btScalar(0.08333333);
 
 	inertia = scaledmass * (btVector3(y2+z2,x2+z2,x2+y2));
-
+#endif //__SPU__
 }
 
 
 
-void btPolyhedralConvexShape::getAabb(const btTransform& trans,btVector3& aabbMin,btVector3& aabbMax) const
+void	btPolyhedralConvexAabbCachingShape::setLocalScaling(const btVector3& scaling)
 {
-	getNonvirtualAabb(trans,aabbMin,aabbMax,getMargin());
+	btConvexInternalShape::setLocalScaling(scaling);
+	recalcLocalAabb();
 }
 
+btPolyhedralConvexAabbCachingShape::btPolyhedralConvexAabbCachingShape()
+:btPolyhedralConvexShape(),
+m_localAabbMin(1,1,1),
+m_localAabbMax(-1,-1,-1),
+m_isLocalAabbValid(false)
+{
+}
 
-
-void	btPolyhedralConvexShape::setLocalScaling(const btVector3& scaling)
+void btPolyhedralConvexAabbCachingShape::getAabb(const btTransform& trans,btVector3& aabbMin,btVector3& aabbMax) const
 {
-	btConvexInternalShape::setLocalScaling(scaling);
-	recalcLocalAabb();
+	getNonvirtualAabb(trans,aabbMin,aabbMax,getMargin());
 }
 
-void	btPolyhedralConvexShape::recalcLocalAabb()
+void	btPolyhedralConvexAabbCachingShape::recalcLocalAabb()
 {
 	m_isLocalAabbValid = true;
 	
@@ -181,5 +191,3 @@ void	btPolyhedralConvexShape::recalcLocalAabb()
 	#endif
 }
 
-
-
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h
index 7567a42d3ba..2c691b95652 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -17,7 +17,6 @@ subject to the following restrictions:
 #define BU_SHAPE
 
 #include "LinearMath/btMatrix3x3.h"
-#include "LinearMath/btAabbUtil2.h"
 #include "btConvexInternalShape.h"
 
 
@@ -26,10 +25,7 @@ class btPolyhedralConvexShape : public btConvexInternalShape
 {
 
 protected:
-	btVector3	m_localAabbMin;
-	btVector3	m_localAabbMax;
-	bool		m_isLocalAabbValid;
-
+	
 public:
 
 	btPolyhedralConvexShape();
@@ -38,10 +34,32 @@ public:
 
 	virtual btVector3	localGetSupportingVertexWithoutMargin(const btVector3& vec)const;
 	virtual void	batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const;
-
 	
 	virtual void	calculateLocalInertia(btScalar mass,btVector3& inertia) const;
+	
+	
+	virtual int	getNumVertices() const = 0 ;
+	virtual int getNumEdges() const = 0;
+	virtual void getEdge(int i,btVector3& pa,btVector3& pb) const = 0;
+	virtual void getVertex(int i,btVector3& vtx) const = 0;
+	virtual int	getNumPlanes() const = 0;
+	virtual void getPlane(btVector3& planeNormal,btVector3& planeSupport,int i ) const = 0;
+//	virtual int getIndex(int i) const = 0 ; 
 
+	virtual	bool isInside(const btVector3& pt,btScalar tolerance) const = 0;
+	
+};
+
+
+///The btPolyhedralConvexAabbCachingShape adds aabb caching to the btPolyhedralConvexShape
+class btPolyhedralConvexAabbCachingShape : public btPolyhedralConvexShape
+{
+
+	btVector3	m_localAabbMin;
+	btVector3	m_localAabbMax;
+	bool		m_isLocalAabbValid;
+		
+protected:
 
 	void setCachedLocalAabb (const btVector3& aabbMin, const btVector3& aabbMax)
 	{
@@ -57,6 +75,10 @@ public:
 		aabbMax = m_localAabbMax;
 	}
 
+public:
+
+	btPolyhedralConvexAabbCachingShape();
+	
 	inline void getNonvirtualAabb(const btTransform& trans,btVector3& aabbMin,btVector3& aabbMax, btScalar margin) const
 	{
 
@@ -65,25 +87,11 @@ public:
 		btTransformAabb(m_localAabbMin,m_localAabbMax,margin,trans,aabbMin,aabbMax);
 	}
 
-	
-	virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const;
-
 	virtual void	setLocalScaling(const btVector3& scaling);
 
-	void	recalcLocalAabb();
-
-	virtual int	getNumVertices() const = 0 ;
-	virtual int getNumEdges() const = 0;
-	virtual void getEdge(int i,btVector3& pa,btVector3& pb) const = 0;
-	virtual void getVertex(int i,btVector3& vtx) const = 0;
-	virtual int	getNumPlanes() const = 0;
-	virtual void getPlane(btVector3& planeNormal,btVector3& planeSupport,int i ) const = 0;
-//	virtual int getIndex(int i) const = 0 ; 
+	virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const;
 
-	virtual	bool isInside(const btVector3& pt,btScalar tolerance) const = 0;
-	
-	/// optional Hull is for optional Separating Axis Test Hull collision detection, see Hull.cpp
-	class	Hull*	m_optionalHull;
+	void	recalcLocalAabb();
 
 };
 
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btScaledBvhTriangleMeshShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btScaledBvhTriangleMeshShape.cpp
index 203f5b7596c..25d58d61bb1 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btScaledBvhTriangleMeshShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btScaledBvhTriangleMeshShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2008 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -13,6 +13,7 @@ subject to the following restrictions:
 3. This notice may not be removed or altered from any source distribution.
 */
 
+
 #include "btScaledBvhTriangleMeshShape.h"
 
 btScaledBvhTriangleMeshShape::btScaledBvhTriangleMeshShape(btBvhTriangleMeshShape* childShape,const btVector3& localScaling)
@@ -61,12 +62,12 @@ void	btScaledBvhTriangleMeshShape::processAllTriangles(btTriangleCallback* callb
 	scaledAabbMin[0] = m_localScaling.getX() >= 0. ? aabbMin[0] * invLocalScaling[0] : aabbMax[0] * invLocalScaling[0];
 	scaledAabbMin[1] = m_localScaling.getY() >= 0. ? aabbMin[1] * invLocalScaling[1] : aabbMax[1] * invLocalScaling[1];
 	scaledAabbMin[2] = m_localScaling.getZ() >= 0. ? aabbMin[2] * invLocalScaling[2] : aabbMax[2] * invLocalScaling[2];
-	scaledAabbMin[3] = 0.0; /* otherwise un-initialized stack memory: uninitialized_stack_vec.patch, blender patch */
+	scaledAabbMin[3] = 0.f;
 	
 	scaledAabbMax[0] = m_localScaling.getX() <= 0. ? aabbMin[0] * invLocalScaling[0] : aabbMax[0] * invLocalScaling[0];
 	scaledAabbMax[1] = m_localScaling.getY() <= 0. ? aabbMin[1] * invLocalScaling[1] : aabbMax[1] * invLocalScaling[1];
 	scaledAabbMax[2] = m_localScaling.getZ() <= 0. ? aabbMin[2] * invLocalScaling[2] : aabbMax[2] * invLocalScaling[2];
-	scaledAabbMax[3] = 0.0; /* otherwise un-initialized stack memory: uninitialized_stack_vec.patch, blender patch */
+	scaledAabbMax[3] = 0.f;
 	
 	
 	m_bvhTriMeshShape->processAllTriangles(&scaledCallback,scaledAabbMin,scaledAabbMax);
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btScaledBvhTriangleMeshShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btScaledBvhTriangleMeshShape.h
index 5da6fe8bc95..4ab28555ba8 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btScaledBvhTriangleMeshShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btScaledBvhTriangleMeshShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2008 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -57,6 +57,37 @@ public:
 	//debugging
 	virtual const char*	getName()const {return "SCALEDBVHTRIANGLEMESH";}
 
+	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	btScaledTriangleMeshShapeData
+{
+	btTriangleMeshShapeData	m_trimeshShapeData;
+
+	btVector3FloatData	m_localScaling;
+};
+
+
+SIMD_FORCE_INLINE	int	btScaledBvhTriangleMeshShape::calculateSerializeBufferSize() const
+{
+	return sizeof(btScaledTriangleMeshShapeData);
+}
+
+
+///fills the dataBuffer and returns the struct name (and 0 on failure)
+SIMD_FORCE_INLINE	const char*	btScaledBvhTriangleMeshShape::serialize(void* dataBuffer, btSerializer* serializer) const
+{
+	btScaledTriangleMeshShapeData* scaledMeshData = (btScaledTriangleMeshShapeData*) dataBuffer;
+	m_bvhTriMeshShape->serialize(&scaledMeshData->m_trimeshShapeData,serializer);
+	scaledMeshData->m_trimeshShapeData.m_collisionShapeData.m_shapeType = SCALED_TRIANGLE_MESH_SHAPE_PROXYTYPE;
+	m_localScaling.serializeFloat(scaledMeshData->m_localScaling);
+	return "btScaledTriangleMeshShapeData";
+}
+
+
 #endif //BVH_TRIANGLE_MESH_SHAPE_H
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.cpp
index a87b87f1a6f..3beaf865801 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.cpp
@@ -1,13 +1,11 @@
 /*
-btbtShapeHull implemented by John McCutchan.
-
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2008 Erwin Coumans  http://bulletphysics.com
+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,
+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.
@@ -15,57 +13,14 @@ subject to the following restrictions:
 3. This notice may not be removed or altered from any source distribution.
 */
 
+//btShapeHull was implemented by John McCutchan.
+
+
 #include "btShapeHull.h"
 #include "LinearMath/btConvexHull.h"
 
 #define NUM_UNITSPHERE_POINTS 42
 
-static btVector3 btUnitSpherePoints[NUM_UNITSPHERE_POINTS+MAX_PREFERRED_PENETRATION_DIRECTIONS*2] = 
-{
-	btVector3(btScalar(0.000000) , btScalar(-0.000000),btScalar(-1.000000)),
-	btVector3(btScalar(0.723608) , btScalar(-0.525725),btScalar(-0.447219)),
-	btVector3(btScalar(-0.276388) , btScalar(-0.850649),btScalar(-0.447219)),
-	btVector3(btScalar(-0.894426) , btScalar(-0.000000),btScalar(-0.447216)),
-	btVector3(btScalar(-0.276388) , btScalar(0.850649),btScalar(-0.447220)),
-	btVector3(btScalar(0.723608) , btScalar(0.525725),btScalar(-0.447219)),
-	btVector3(btScalar(0.276388) , btScalar(-0.850649),btScalar(0.447220)),
-	btVector3(btScalar(-0.723608) , btScalar(-0.525725),btScalar(0.447219)),
-	btVector3(btScalar(-0.723608) , btScalar(0.525725),btScalar(0.447219)),
-	btVector3(btScalar(0.276388) , btScalar(0.850649),btScalar(0.447219)),
-	btVector3(btScalar(0.894426) , btScalar(0.000000),btScalar(0.447216)),
-	btVector3(btScalar(-0.000000) , btScalar(0.000000),btScalar(1.000000)),
-	btVector3(btScalar(0.425323) , btScalar(-0.309011),btScalar(-0.850654)),
-	btVector3(btScalar(-0.162456) , btScalar(-0.499995),btScalar(-0.850654)),
-	btVector3(btScalar(0.262869) , btScalar(-0.809012),btScalar(-0.525738)),
-	btVector3(btScalar(0.425323) , btScalar(0.309011),btScalar(-0.850654)),
-	btVector3(btScalar(0.850648) , btScalar(-0.000000),btScalar(-0.525736)),
-	btVector3(btScalar(-0.525730) , btScalar(-0.000000),btScalar(-0.850652)),
-	btVector3(btScalar(-0.688190) , btScalar(-0.499997),btScalar(-0.525736)),
-	btVector3(btScalar(-0.162456) , btScalar(0.499995),btScalar(-0.850654)),
-	btVector3(btScalar(-0.688190) , btScalar(0.499997),btScalar(-0.525736)),
-	btVector3(btScalar(0.262869) , btScalar(0.809012),btScalar(-0.525738)),
-	btVector3(btScalar(0.951058) , btScalar(0.309013),btScalar(0.000000)),
-	btVector3(btScalar(0.951058) , btScalar(-0.309013),btScalar(0.000000)),
-	btVector3(btScalar(0.587786) , btScalar(-0.809017),btScalar(0.000000)),
-	btVector3(btScalar(0.000000) , btScalar(-1.000000),btScalar(0.000000)),
-	btVector3(btScalar(-0.587786) , btScalar(-0.809017),btScalar(0.000000)),
-	btVector3(btScalar(-0.951058) , btScalar(-0.309013),btScalar(-0.000000)),
-	btVector3(btScalar(-0.951058) , btScalar(0.309013),btScalar(-0.000000)),
-	btVector3(btScalar(-0.587786) , btScalar(0.809017),btScalar(-0.000000)),
-	btVector3(btScalar(-0.000000) , btScalar(1.000000),btScalar(-0.000000)),
-	btVector3(btScalar(0.587786) , btScalar(0.809017),btScalar(-0.000000)),
-	btVector3(btScalar(0.688190) , btScalar(-0.499997),btScalar(0.525736)),
-	btVector3(btScalar(-0.262869) , btScalar(-0.809012),btScalar(0.525738)),
-	btVector3(btScalar(-0.850648) , btScalar(0.000000),btScalar(0.525736)),
-	btVector3(btScalar(-0.262869) , btScalar(0.809012),btScalar(0.525738)),
-	btVector3(btScalar(0.688190) , btScalar(0.499997),btScalar(0.525736)),
-	btVector3(btScalar(0.525730) , btScalar(0.000000),btScalar(0.850652)),
-	btVector3(btScalar(0.162456) , btScalar(-0.499995),btScalar(0.850654)),
-	btVector3(btScalar(-0.425323) , btScalar(-0.309011),btScalar(0.850654)),
-	btVector3(btScalar(-0.425323) , btScalar(0.309011),btScalar(0.850654)),
-	btVector3(btScalar(0.162456) , btScalar(0.499995),btScalar(0.850654))
-};
-
 btShapeHull::btShapeHull (const btConvexShape* shape)
 {
 	m_shape = shape;
@@ -92,7 +47,7 @@ btShapeHull::buildHull (btScalar /*margin*/)
 			{
 				btVector3 norm;
 				m_shape->getPreferredPenetrationDirection(i,norm);
-				btUnitSpherePoints[numSampleDirections] = norm;
+				getUnitSpherePoints()[numSampleDirections] = norm;
 				numSampleDirections++;
 			}
 		}
@@ -102,7 +57,7 @@ btShapeHull::buildHull (btScalar /*margin*/)
 	int i;
 	for (i = 0; i < numSampleDirections; i++)
 	{
-		supportPoints[i] = m_shape->localGetSupportingVertex(btUnitSpherePoints[i]);
+		supportPoints[i] = m_shape->localGetSupportingVertex(getUnitSpherePoints()[i]);
 	}
 
 	HullDesc hd;
@@ -162,3 +117,54 @@ btShapeHull::numIndices () const
 	return static_cast<int>(m_numIndices);
 }
 
+
+btVector3* btShapeHull::getUnitSpherePoints()
+{
+	static btVector3 sUnitSpherePoints[NUM_UNITSPHERE_POINTS+MAX_PREFERRED_PENETRATION_DIRECTIONS*2] = 
+	{
+		btVector3(btScalar(0.000000) , btScalar(-0.000000),btScalar(-1.000000)),
+		btVector3(btScalar(0.723608) , btScalar(-0.525725),btScalar(-0.447219)),
+		btVector3(btScalar(-0.276388) , btScalar(-0.850649),btScalar(-0.447219)),
+		btVector3(btScalar(-0.894426) , btScalar(-0.000000),btScalar(-0.447216)),
+		btVector3(btScalar(-0.276388) , btScalar(0.850649),btScalar(-0.447220)),
+		btVector3(btScalar(0.723608) , btScalar(0.525725),btScalar(-0.447219)),
+		btVector3(btScalar(0.276388) , btScalar(-0.850649),btScalar(0.447220)),
+		btVector3(btScalar(-0.723608) , btScalar(-0.525725),btScalar(0.447219)),
+		btVector3(btScalar(-0.723608) , btScalar(0.525725),btScalar(0.447219)),
+		btVector3(btScalar(0.276388) , btScalar(0.850649),btScalar(0.447219)),
+		btVector3(btScalar(0.894426) , btScalar(0.000000),btScalar(0.447216)),
+		btVector3(btScalar(-0.000000) , btScalar(0.000000),btScalar(1.000000)),
+		btVector3(btScalar(0.425323) , btScalar(-0.309011),btScalar(-0.850654)),
+		btVector3(btScalar(-0.162456) , btScalar(-0.499995),btScalar(-0.850654)),
+		btVector3(btScalar(0.262869) , btScalar(-0.809012),btScalar(-0.525738)),
+		btVector3(btScalar(0.425323) , btScalar(0.309011),btScalar(-0.850654)),
+		btVector3(btScalar(0.850648) , btScalar(-0.000000),btScalar(-0.525736)),
+		btVector3(btScalar(-0.525730) , btScalar(-0.000000),btScalar(-0.850652)),
+		btVector3(btScalar(-0.688190) , btScalar(-0.499997),btScalar(-0.525736)),
+		btVector3(btScalar(-0.162456) , btScalar(0.499995),btScalar(-0.850654)),
+		btVector3(btScalar(-0.688190) , btScalar(0.499997),btScalar(-0.525736)),
+		btVector3(btScalar(0.262869) , btScalar(0.809012),btScalar(-0.525738)),
+		btVector3(btScalar(0.951058) , btScalar(0.309013),btScalar(0.000000)),
+		btVector3(btScalar(0.951058) , btScalar(-0.309013),btScalar(0.000000)),
+		btVector3(btScalar(0.587786) , btScalar(-0.809017),btScalar(0.000000)),
+		btVector3(btScalar(0.000000) , btScalar(-1.000000),btScalar(0.000000)),
+		btVector3(btScalar(-0.587786) , btScalar(-0.809017),btScalar(0.000000)),
+		btVector3(btScalar(-0.951058) , btScalar(-0.309013),btScalar(-0.000000)),
+		btVector3(btScalar(-0.951058) , btScalar(0.309013),btScalar(-0.000000)),
+		btVector3(btScalar(-0.587786) , btScalar(0.809017),btScalar(-0.000000)),
+		btVector3(btScalar(-0.000000) , btScalar(1.000000),btScalar(-0.000000)),
+		btVector3(btScalar(0.587786) , btScalar(0.809017),btScalar(-0.000000)),
+		btVector3(btScalar(0.688190) , btScalar(-0.499997),btScalar(0.525736)),
+		btVector3(btScalar(-0.262869) , btScalar(-0.809012),btScalar(0.525738)),
+		btVector3(btScalar(-0.850648) , btScalar(0.000000),btScalar(0.525736)),
+		btVector3(btScalar(-0.262869) , btScalar(0.809012),btScalar(0.525738)),
+		btVector3(btScalar(0.688190) , btScalar(0.499997),btScalar(0.525736)),
+		btVector3(btScalar(0.525730) , btScalar(0.000000),btScalar(0.850652)),
+		btVector3(btScalar(0.162456) , btScalar(-0.499995),btScalar(0.850654)),
+		btVector3(btScalar(-0.425323) , btScalar(-0.309011),btScalar(0.850654)),
+		btVector3(btScalar(-0.425323) , btScalar(0.309011),btScalar(0.850654)),
+		btVector3(btScalar(0.162456) , btScalar(0.499995),btScalar(0.850654))
+	};
+	return sUnitSpherePoints;
+}
+
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.h
index 583c6b99eb6..07b3500f994 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.h
@@ -1,13 +1,11 @@
 /*
-btShapeHull implemented by John McCutchan.
-
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2008 Erwin Coumans  http://continuousphysics.com/Bullet/
+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,
+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.
@@ -15,6 +13,8 @@ subject to the following restrictions:
 3. This notice may not be removed or altered from any source distribution.
 */
 
+///btShapeHull implemented by John McCutchan.
+
 #ifndef _SHAPE_HULL_H
 #define _SHAPE_HULL_H
 
@@ -27,6 +27,15 @@ subject to the following restrictions:
 ///It approximates the convex hull using the supporting vertex of 42 directions.
 class btShapeHull
 {
+protected:
+
+	btAlignedObjectArray<btVector3> m_vertices;
+	btAlignedObjectArray<unsigned int> m_indices;
+	unsigned int m_numIndices;
+	const btConvexShape* m_shape;
+
+	static btVector3* getUnitSpherePoints();
+
 public:
 	btShapeHull (const btConvexShape* shape);
 	~btShapeHull ();
@@ -45,12 +54,6 @@ public:
 	{
 		return &m_indices[0];
 	}
-
-protected:
-	btAlignedObjectArray<btVector3> m_vertices;
-	btAlignedObjectArray<unsigned int> m_indices;
-	unsigned int m_numIndices;
-	const btConvexShape* m_shape;
 };
 
 #endif //_SHAPE_HULL_H
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btSphereShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btSphereShape.cpp
index cab7b277289..b9a736c0fdd 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btSphereShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btSphereShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btSphereShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btSphereShape.h
index bf163d3b501..f98372442ba 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btSphereShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btSphereShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -12,7 +12,6 @@ subject to the following restrictions:
 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 SPHERE_MINKOWSKI_H
 #define SPHERE_MINKOWSKI_H
 
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.cpp
index 17b8776d459..38ef8f03706 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -38,7 +38,7 @@ void btStaticPlaneShape::getAabb(const btTransform& t,btVector3& aabbMin,btVecto
 {
 	(void)t;
 	/*
-	btVector3 infvec (btScalar(1e30),btScalar(1e30),btScalar(1e30));
+	btVector3 infvec (btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT));
 
 	btVector3 center = m_planeNormal*m_planeConstant;
 	aabbMin = center + infvec*m_planeNormal;
@@ -47,8 +47,8 @@ void btStaticPlaneShape::getAabb(const btTransform& t,btVector3& aabbMin,btVecto
 	aabbMax.setMax(center - infvec*m_planeNormal); 
 	*/
 
-	aabbMin.setValue(btScalar(-1e30),btScalar(-1e30),btScalar(-1e30));
-	aabbMax.setValue(btScalar(1e30),btScalar(1e30),btScalar(1e30));
+	aabbMin.setValue(btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT));
+	aabbMax.setValue(btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT));
 
 }
 
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.h
index a496013c077..beb53ef33a1 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -20,7 +20,7 @@ subject to the following restrictions:
 
 
 ///The btStaticPlaneShape simulates an infinite non-moving (static) collision plane.
-class btStaticPlaneShape : public btConcaveShape
+ATTRIBUTE_ALIGNED16(class) btStaticPlaneShape : public btConcaveShape
 {
 protected:
 	btVector3	m_localAabbMin;
@@ -58,7 +58,46 @@ public:
 	//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
+
+
+
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.cpp
index 752a5fc1dfa..bc2f9f21448 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -14,6 +14,7 @@ subject to the following restrictions:
 */
 
 #include "btStridingMeshInterface.h"
+#include "LinearMath/btSerializer.h"
 
 btStridingMeshInterface::~btStridingMeshInterface()
 {
@@ -35,7 +36,6 @@ void	btStridingMeshInterface::InternalProcessAllTriangles(btInternalTriangleInde
 	int stride,numverts,numtriangles;
 	int gfxindex;
 	btVector3 triangle[3];
-	btScalar* graphicsbase;
 
 	btVector3 meshScaling = getScaling();
 
@@ -45,40 +45,128 @@ void	btStridingMeshInterface::InternalProcessAllTriangles(btInternalTriangleInde
 		getLockedReadOnlyVertexIndexBase(&vertexbase,numverts,type,stride,&indexbase,indexstride,numtriangles,gfxindextype,part);
 		numtotalphysicsverts+=numtriangles*3; //upper bound
 
-		switch (gfxindextype)
+		///unlike that developers want to pass in double-precision meshes in single-precision Bullet build
+		///so disable this feature by default
+		///see patch http://code.google.com/p/bullet/issues/detail?id=213
+
+		switch (type)
 		{
-		case PHY_INTEGER:
-			{
-				for (gfxindex=0;gfxindex<numtriangles;gfxindex++)
-				{
-					unsigned int* tri_indices= (unsigned int*)(indexbase+gfxindex*indexstride);
-					graphicsbase = (btScalar*)(vertexbase+tri_indices[0]*stride);
-					triangle[0].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),graphicsbase[2]*meshScaling.getZ());
-					graphicsbase = (btScalar*)(vertexbase+tri_indices[1]*stride);
-					triangle[1].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),	graphicsbase[2]*meshScaling.getZ());
-					graphicsbase = (btScalar*)(vertexbase+tri_indices[2]*stride);
-					triangle[2].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),	graphicsbase[2]*meshScaling.getZ());
-					callback->internalProcessTriangleIndex(triangle,part,gfxindex);
-				}
-				break;
-			}
-		case PHY_SHORT:
+		case PHY_FLOAT:
+		 {
+
+			 float* graphicsbase;
+
+			 switch (gfxindextype)
+			 {
+			 case PHY_INTEGER:
+				 {
+					 for (gfxindex=0;gfxindex<numtriangles;gfxindex++)
+					 {
+						 unsigned int* tri_indices= (unsigned int*)(indexbase+gfxindex*indexstride);
+						 graphicsbase = (float*)(vertexbase+tri_indices[0]*stride);
+						 triangle[0].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),graphicsbase[2]*meshScaling.getZ());
+						 graphicsbase = (float*)(vertexbase+tri_indices[1]*stride);
+						 triangle[1].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),	graphicsbase[2]*meshScaling.getZ());
+						 graphicsbase = (float*)(vertexbase+tri_indices[2]*stride);
+						 triangle[2].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),	graphicsbase[2]*meshScaling.getZ());
+						 callback->internalProcessTriangleIndex(triangle,part,gfxindex);
+					 }
+					 break;
+				 }
+			 case PHY_SHORT:
+				 {
+					 for (gfxindex=0;gfxindex<numtriangles;gfxindex++)
+					 {
+						 unsigned short int* tri_indices= (unsigned short int*)(indexbase+gfxindex*indexstride);
+						 graphicsbase = (float*)(vertexbase+tri_indices[0]*stride);
+						 triangle[0].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),graphicsbase[2]*meshScaling.getZ());
+						 graphicsbase = (float*)(vertexbase+tri_indices[1]*stride);
+						 triangle[1].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),	graphicsbase[2]*meshScaling.getZ());
+						 graphicsbase = (float*)(vertexbase+tri_indices[2]*stride);
+						 triangle[2].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),	graphicsbase[2]*meshScaling.getZ());
+						 callback->internalProcessTriangleIndex(triangle,part,gfxindex);
+					 }
+					 break;
+				 }
+			case PHY_UCHAR:
+				 {
+					 for (gfxindex=0;gfxindex<numtriangles;gfxindex++)
+					 {
+						 unsigned char* tri_indices= (unsigned char*)(indexbase+gfxindex*indexstride);
+						 graphicsbase = (float*)(vertexbase+tri_indices[0]*stride);
+						 triangle[0].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),graphicsbase[2]*meshScaling.getZ());
+						 graphicsbase = (float*)(vertexbase+tri_indices[1]*stride);
+						 triangle[1].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),	graphicsbase[2]*meshScaling.getZ());
+						 graphicsbase = (float*)(vertexbase+tri_indices[2]*stride);
+						 triangle[2].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),	graphicsbase[2]*meshScaling.getZ());
+						 callback->internalProcessTriangleIndex(triangle,part,gfxindex);
+					 }
+					 break;
+				 }
+			 default:
+				 btAssert((gfxindextype == PHY_INTEGER) || (gfxindextype == PHY_SHORT));
+			 }
+			 break;
+		 }
+
+		case PHY_DOUBLE:
 			{
-				for (gfxindex=0;gfxindex<numtriangles;gfxindex++)
+				double* graphicsbase;
+
+				switch (gfxindextype)
 				{
-					unsigned short int* tri_indices= (unsigned short int*)(indexbase+gfxindex*indexstride);
-					graphicsbase = (btScalar*)(vertexbase+tri_indices[0]*stride);
-					triangle[0].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),graphicsbase[2]*meshScaling.getZ());
-					graphicsbase = (btScalar*)(vertexbase+tri_indices[1]*stride);
-					triangle[1].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),	graphicsbase[2]*meshScaling.getZ());
-					graphicsbase = (btScalar*)(vertexbase+tri_indices[2]*stride);
-					triangle[2].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),	graphicsbase[2]*meshScaling.getZ());
-					callback->internalProcessTriangleIndex(triangle,part,gfxindex);
+				case PHY_INTEGER:
+					{
+						for (gfxindex=0;gfxindex<numtriangles;gfxindex++)
+						{
+							unsigned int* tri_indices= (unsigned int*)(indexbase+gfxindex*indexstride);
+							graphicsbase = (double*)(vertexbase+tri_indices[0]*stride);
+							triangle[0].setValue((btScalar)graphicsbase[0]*meshScaling.getX(),(btScalar)graphicsbase[1]*meshScaling.getY(),(btScalar)graphicsbase[2]*meshScaling.getZ());
+							graphicsbase = (double*)(vertexbase+tri_indices[1]*stride);
+							triangle[1].setValue((btScalar)graphicsbase[0]*meshScaling.getX(),(btScalar)graphicsbase[1]*meshScaling.getY(),  (btScalar)graphicsbase[2]*meshScaling.getZ());
+							graphicsbase = (double*)(vertexbase+tri_indices[2]*stride);
+							triangle[2].setValue((btScalar)graphicsbase[0]*meshScaling.getX(),(btScalar)graphicsbase[1]*meshScaling.getY(),  (btScalar)graphicsbase[2]*meshScaling.getZ());
+							callback->internalProcessTriangleIndex(triangle,part,gfxindex);
+						}
+						break;
+					}
+				case PHY_SHORT:
+					{
+						for (gfxindex=0;gfxindex<numtriangles;gfxindex++)
+						{
+							unsigned short int* tri_indices= (unsigned short int*)(indexbase+gfxindex*indexstride);
+							graphicsbase = (double*)(vertexbase+tri_indices[0]*stride);
+							triangle[0].setValue((btScalar)graphicsbase[0]*meshScaling.getX(),(btScalar)graphicsbase[1]*meshScaling.getY(),(btScalar)graphicsbase[2]*meshScaling.getZ());
+							graphicsbase = (double*)(vertexbase+tri_indices[1]*stride);
+							triangle[1].setValue((btScalar)graphicsbase[0]*meshScaling.getX(),(btScalar)graphicsbase[1]*meshScaling.getY(),  (btScalar)graphicsbase[2]*meshScaling.getZ());
+							graphicsbase = (double*)(vertexbase+tri_indices[2]*stride);
+							triangle[2].setValue((btScalar)graphicsbase[0]*meshScaling.getX(),(btScalar)graphicsbase[1]*meshScaling.getY(),  (btScalar)graphicsbase[2]*meshScaling.getZ());
+							callback->internalProcessTriangleIndex(triangle,part,gfxindex);
+						}
+						break;
+					}
+				case PHY_UCHAR:
+					{
+						for (gfxindex=0;gfxindex<numtriangles;gfxindex++)
+						{
+							unsigned char* tri_indices= (unsigned char*)(indexbase+gfxindex*indexstride);
+							graphicsbase = (double*)(vertexbase+tri_indices[0]*stride);
+							triangle[0].setValue((btScalar)graphicsbase[0]*meshScaling.getX(),(btScalar)graphicsbase[1]*meshScaling.getY(),(btScalar)graphicsbase[2]*meshScaling.getZ());
+							graphicsbase = (double*)(vertexbase+tri_indices[1]*stride);
+							triangle[1].setValue((btScalar)graphicsbase[0]*meshScaling.getX(),(btScalar)graphicsbase[1]*meshScaling.getY(),  (btScalar)graphicsbase[2]*meshScaling.getZ());
+							graphicsbase = (double*)(vertexbase+tri_indices[2]*stride);
+							triangle[2].setValue((btScalar)graphicsbase[0]*meshScaling.getX(),(btScalar)graphicsbase[1]*meshScaling.getY(),  (btScalar)graphicsbase[2]*meshScaling.getZ());
+							callback->internalProcessTriangleIndex(triangle,part,gfxindex);
+						}
+						break;
+					}
+				default:
+					btAssert((gfxindextype == PHY_INTEGER) || (gfxindextype == PHY_SHORT));
 				}
 				break;
 			}
 		default:
-			btAssert((gfxindextype == PHY_INTEGER) || (gfxindextype == PHY_SHORT));
+			btAssert((type == PHY_FLOAT) || (type == PHY_DOUBLE));
 		}
 
 		unLockReadOnlyVertexBase(part);
@@ -95,8 +183,8 @@ void	btStridingMeshInterface::calculateAabbBruteForce(btVector3& aabbMin,btVecto
 
 		AabbCalculationCallback()
 		{
-			m_aabbMin.setValue(btScalar(1e30),btScalar(1e30),btScalar(1e30));
-			m_aabbMax.setValue(btScalar(-1e30),btScalar(-1e30),btScalar(-1e30));
+			m_aabbMin.setValue(btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT));
+			m_aabbMax.setValue(btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT));
 		}
 
 		virtual void internalProcessTriangleIndex(btVector3* triangle,int partId,int  triangleIndex)
@@ -113,12 +201,179 @@ void	btStridingMeshInterface::calculateAabbBruteForce(btVector3& aabbMin,btVecto
 		}
 	};
 
-		//first calculate the total aabb for all triangles
+	//first calculate the total aabb for all triangles
 	AabbCalculationCallback	aabbCallback;
-	aabbMin.setValue(btScalar(-1e30),btScalar(-1e30),btScalar(-1e30));
-	aabbMax.setValue(btScalar(1e30),btScalar(1e30),btScalar(1e30));
+	aabbMin.setValue(btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT),btScalar(-BT_LARGE_FLOAT));
+	aabbMax.setValue(btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT));
 	InternalProcessAllTriangles(&aabbCallback,aabbMin,aabbMax);
 
 	aabbMin = aabbCallback.m_aabbMin;
 	aabbMax = aabbCallback.m_aabbMax;
 }
+
+
+
+///fills the dataBuffer and returns the struct name (and 0 on failure)
+const char*	btStridingMeshInterface::serialize(void* dataBuffer, btSerializer* serializer) const
+{
+	btStridingMeshInterfaceData* trimeshData = (btStridingMeshInterfaceData*) dataBuffer;
+
+	trimeshData->m_numMeshParts = getNumSubParts();
+
+	//void* uniquePtr = 0;
+
+	trimeshData->m_meshPartsPtr = 0;
+
+	if (trimeshData->m_numMeshParts)
+	{
+		btChunk* chunk = serializer->allocate(sizeof(btMeshPartData),trimeshData->m_numMeshParts);
+		btMeshPartData* memPtr = (btMeshPartData*)chunk->m_oldPtr;
+		trimeshData->m_meshPartsPtr = (btMeshPartData *)serializer->getUniquePointer(memPtr);
+
+
+	//	int numtotalphysicsverts = 0;
+		int part,graphicssubparts = getNumSubParts();
+		const unsigned char * vertexbase;
+		const unsigned char * indexbase;
+		int indexstride;
+		PHY_ScalarType type;
+		PHY_ScalarType gfxindextype;
+		int stride,numverts,numtriangles;
+		int gfxindex;
+	//	btVector3 triangle[3];
+
+		btVector3 meshScaling = getScaling();
+
+		///if the number of parts is big, the performance might drop due to the innerloop switch on indextype
+		for (part=0;part<graphicssubparts ;part++,memPtr++)
+		{
+			getLockedReadOnlyVertexIndexBase(&vertexbase,numverts,type,stride,&indexbase,indexstride,numtriangles,gfxindextype,part);
+			memPtr->m_numTriangles = numtriangles;//indices = 3*numtriangles
+			memPtr->m_numVertices = numverts;
+			memPtr->m_indices16 = 0;
+			memPtr->m_indices32 = 0;
+			memPtr->m_3indices16 = 0;
+			memPtr->m_vertices3f = 0;
+			memPtr->m_vertices3d = 0;
+
+			switch (gfxindextype)
+			{
+			case PHY_INTEGER:
+				{
+					int numindices = numtriangles*3;
+				
+					if (numindices)
+					{
+						btChunk* chunk = serializer->allocate(sizeof(btIntIndexData),numindices);
+						btIntIndexData* tmpIndices = (btIntIndexData*)chunk->m_oldPtr;
+						memPtr->m_indices32 = (btIntIndexData*)serializer->getUniquePointer(tmpIndices);
+						for (gfxindex=0;gfxindex<numtriangles;gfxindex++)
+						{
+							unsigned int* tri_indices= (unsigned int*)(indexbase+gfxindex*indexstride);
+							tmpIndices[gfxindex*3].m_value = tri_indices[0];
+							tmpIndices[gfxindex*3+1].m_value = tri_indices[1];
+							tmpIndices[gfxindex*3+2].m_value = tri_indices[2];
+						}
+						serializer->finalizeChunk(chunk,"btIntIndexData",BT_ARRAY_CODE,(void*)chunk->m_oldPtr);
+					}
+					break;
+				}
+			case PHY_SHORT:
+				{
+					if (numtriangles)
+					{
+						btChunk* chunk = serializer->allocate(sizeof(btShortIntIndexTripletData),numtriangles);
+						btShortIntIndexTripletData* tmpIndices = (btShortIntIndexTripletData*)chunk->m_oldPtr;
+						memPtr->m_3indices16 = (btShortIntIndexTripletData*) serializer->getUniquePointer(tmpIndices);
+						for (gfxindex=0;gfxindex<numtriangles;gfxindex++)
+						{
+							unsigned short int* tri_indices= (unsigned short int*)(indexbase+gfxindex*indexstride);
+							tmpIndices[gfxindex].m_values[0] = tri_indices[0];
+							tmpIndices[gfxindex].m_values[1] = tri_indices[1];
+							tmpIndices[gfxindex].m_values[2] = tri_indices[2];
+						}
+						serializer->finalizeChunk(chunk,"btShortIntIndexTripletData",BT_ARRAY_CODE,(void*)chunk->m_oldPtr);
+					}
+					break;
+				}
+				case PHY_UCHAR:
+				{
+					if (numtriangles)
+					{
+						btChunk* chunk = serializer->allocate(sizeof(btCharIndexTripletData),numtriangles);
+						btCharIndexTripletData* tmpIndices = (btCharIndexTripletData*)chunk->m_oldPtr;
+						memPtr->m_3indices8 = (btCharIndexTripletData*) serializer->getUniquePointer(tmpIndices);
+						for (gfxindex=0;gfxindex<numtriangles;gfxindex++)
+						{
+							unsigned char* tri_indices= (unsigned char*)(indexbase+gfxindex*indexstride);
+							tmpIndices[gfxindex].m_values[0] = tri_indices[0];
+							tmpIndices[gfxindex].m_values[1] = tri_indices[1];
+							tmpIndices[gfxindex].m_values[2] = tri_indices[2];
+						}
+						serializer->finalizeChunk(chunk,"btCharIndexTripletData",BT_ARRAY_CODE,(void*)chunk->m_oldPtr);
+					}
+					break;
+				}
+			default:
+				{
+					btAssert(0);
+					//unknown index type
+				}
+			}
+
+			switch (type)
+			{
+			case PHY_FLOAT:
+			 {
+				 float* graphicsbase;
+
+				 if (numverts)
+				 {
+					 btChunk* chunk = serializer->allocate(sizeof(btVector3FloatData),numverts);
+					 btVector3FloatData* tmpVertices = (btVector3FloatData*) chunk->m_oldPtr;
+					 memPtr->m_vertices3f = (btVector3FloatData *)serializer->getUniquePointer(tmpVertices);
+					 for (int i=0;i<numverts;i++)
+					 {
+						 graphicsbase = (float*)(vertexbase+i*stride);
+						 tmpVertices[i].m_floats[0] = graphicsbase[0];
+						 tmpVertices[i].m_floats[1] = graphicsbase[1];
+						 tmpVertices[i].m_floats[2] = graphicsbase[2];
+					 }
+					 serializer->finalizeChunk(chunk,"btVector3FloatData",BT_ARRAY_CODE,(void*)chunk->m_oldPtr);
+				 }
+				 break;
+				}
+
+			case PHY_DOUBLE:
+				{
+					if (numverts)
+					{
+						btChunk* chunk = serializer->allocate(sizeof(btVector3DoubleData),numverts);
+						btVector3DoubleData* tmpVertices = (btVector3DoubleData*) chunk->m_oldPtr;
+						memPtr->m_vertices3d = (btVector3DoubleData *) serializer->getUniquePointer(tmpVertices);
+						for (int i=0;i<numverts;i++)
+					 {
+						 double* graphicsbase = (double*)(vertexbase+i*stride);//for now convert to float, might leave it at double
+						 tmpVertices[i].m_floats[0] = graphicsbase[0];
+						 tmpVertices[i].m_floats[1] = graphicsbase[1];
+						 tmpVertices[i].m_floats[2] = graphicsbase[2];
+					 }
+						serializer->finalizeChunk(chunk,"btVector3DoubleData",BT_ARRAY_CODE,(void*)chunk->m_oldPtr);
+					}
+					break;
+				}
+
+			default:
+				btAssert((type == PHY_FLOAT) || (type == PHY_DOUBLE));
+			}
+
+			unLockReadOnlyVertexBase(part);
+		}
+
+		serializer->finalizeChunk(chunk,"btMeshPartData",BT_ARRAY_CODE,chunk->m_oldPtr);
+	}
+
+
+	m_scaling.serializeFloat(trimeshData->m_scaling);
+	return "btStridingMeshInterfaceData";
+}
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.h
index e61b11499d4..9e3e2ab0f59 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -22,6 +22,8 @@ subject to the following restrictions:
 
 
 
+
+
 ///	The btStridingMeshInterface is the interface class for high performance generic access to triangle meshes, used in combination with btBvhTriangleMeshShape and some other collision shapes.
 /// Using index striding of 3*sizeof(integer) it can use triangle arrays, using index striding of 1*sizeof(integer) it can handle triangle strips.
 /// It allows for sharing graphics and collision meshes. Also it provides locking/unlocking of graphics meshes that are in gpu memory.
@@ -89,8 +91,72 @@ class  btStridingMeshInterface
 			m_scaling = scaling;
 		}
 
-	
+		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;
+
+
+};
+
+struct	btIntIndexData
+{
+	int	m_value;
+};
 
+struct	btShortIntIndexData
+{
+	short m_value;
+	char m_pad[2];
+};
+
+struct	btShortIntIndexTripletData
+{
+	short	m_values[3];
+	char	m_pad[2];
 };
 
+struct	btCharIndexTripletData
+{
+	unsigned char m_values[3];
+	char	m_pad;
+};
+
+
+///do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64
+struct	btMeshPartData
+{
+	btVector3FloatData			*m_vertices3f;
+	btVector3DoubleData			*m_vertices3d;
+
+	btIntIndexData				*m_indices32;
+	btShortIntIndexTripletData	*m_3indices16;
+	btCharIndexTripletData		*m_3indices8;
+
+	btShortIntIndexData			*m_indices16;//backwards compatibility
+
+	int                     m_numTriangles;//length of m_indices = m_numTriangles
+	int                     m_numVertices;
+};
+
+
+///do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64
+struct	btStridingMeshInterfaceData
+{
+	btMeshPartData	*m_meshPartsPtr;
+	btVector3FloatData	m_scaling;
+	int	m_numMeshParts;
+	char m_padding[4];
+};
+
+
+
+
+SIMD_FORCE_INLINE	int	btStridingMeshInterface::calculateSerializeBufferSize() const
+{
+	return sizeof(btStridingMeshInterfaceData);
+}
+
+
+
 #endif //STRIDING_MESHINTERFACE_H
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTetrahedronShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btTetrahedronShape.cpp
index 7fd8fb4691b..52f346bf726 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTetrahedronShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTetrahedronShape.cpp
@@ -1,7 +1,6 @@
-
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -13,23 +12,24 @@ subject to the following restrictions:
 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 "btTetrahedronShape.h"
 #include "LinearMath/btMatrix3x3.h"
 
-btBU_Simplex1to4::btBU_Simplex1to4() : btPolyhedralConvexShape (),
+btBU_Simplex1to4::btBU_Simplex1to4() : btPolyhedralConvexAabbCachingShape (),
 m_numVertices(0)
 {
 	m_shapeType = TETRAHEDRAL_SHAPE_PROXYTYPE;
 }
 
-btBU_Simplex1to4::btBU_Simplex1to4(const btVector3& pt0) : btPolyhedralConvexShape (),
+btBU_Simplex1to4::btBU_Simplex1to4(const btVector3& pt0) : btPolyhedralConvexAabbCachingShape (),
 m_numVertices(0)
 {
 	m_shapeType = TETRAHEDRAL_SHAPE_PROXYTYPE;
 	addVertex(pt0);
 }
 
-btBU_Simplex1to4::btBU_Simplex1to4(const btVector3& pt0,const btVector3& pt1) : btPolyhedralConvexShape (),
+btBU_Simplex1to4::btBU_Simplex1to4(const btVector3& pt0,const btVector3& pt1) : btPolyhedralConvexAabbCachingShape (),
 m_numVertices(0)
 {
 	m_shapeType = TETRAHEDRAL_SHAPE_PROXYTYPE;
@@ -37,7 +37,7 @@ m_numVertices(0)
 	addVertex(pt1);
 }
 
-btBU_Simplex1to4::btBU_Simplex1to4(const btVector3& pt0,const btVector3& pt1,const btVector3& pt2) : btPolyhedralConvexShape (),
+btBU_Simplex1to4::btBU_Simplex1to4(const btVector3& pt0,const btVector3& pt1,const btVector3& pt2) : btPolyhedralConvexAabbCachingShape (),
 m_numVertices(0)
 {
 	m_shapeType = TETRAHEDRAL_SHAPE_PROXYTYPE;
@@ -46,7 +46,7 @@ m_numVertices(0)
 	addVertex(pt2);
 }
 
-btBU_Simplex1to4::btBU_Simplex1to4(const btVector3& pt0,const btVector3& pt1,const btVector3& pt2,const btVector3& pt3) : btPolyhedralConvexShape (),
+btBU_Simplex1to4::btBU_Simplex1to4(const btVector3& pt0,const btVector3& pt1,const btVector3& pt2,const btVector3& pt3) : btPolyhedralConvexAabbCachingShape (),
 m_numVertices(0)
 {
 	m_shapeType = TETRAHEDRAL_SHAPE_PROXYTYPE;
@@ -57,13 +57,31 @@ m_numVertices(0)
 }
 
 
+void btBU_Simplex1to4::getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const
+{
+#if 1
+	btPolyhedralConvexAabbCachingShape::getAabb(t,aabbMin,aabbMax);
+#else
+	aabbMin.setValue(BT_LARGE_FLOAT,BT_LARGE_FLOAT,BT_LARGE_FLOAT);
+	aabbMax.setValue(-BT_LARGE_FLOAT,-BT_LARGE_FLOAT,-BT_LARGE_FLOAT);
+
+	//just transform the vertices in worldspace, and take their AABB
+	for (int i=0;i<m_numVertices;i++)
+	{
+		btVector3 worldVertex = t(m_vertices[i]);
+		aabbMin.setMin(worldVertex);
+		aabbMax.setMax(worldVertex);
+	}
+#endif
+}
+
+
 
 
 
 void btBU_Simplex1to4::addVertex(const btVector3& pt)
 {
 	m_vertices[m_numVertices++] = pt;
-
 	recalcLocalAabb();
 }
 
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTetrahedronShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btTetrahedronShape.h
index 114ae288bb0..72e9f232876 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTetrahedronShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTetrahedronShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -22,7 +22,7 @@ subject to the following restrictions:
 
 
 ///The btBU_Simplex1to4 implements tetrahedron, triangle, line, vertex collision shapes. In most cases it is better to use btConvexHullShape instead.
-class btBU_Simplex1to4 : public btPolyhedralConvexShape
+class btBU_Simplex1to4 : public btPolyhedralConvexAabbCachingShape
 {
 protected:
 
@@ -43,7 +43,7 @@ public:
 		m_numVertices = 0;
 	}
 	
-
+	virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const;
 
 	void addVertex(const btVector3& pt);
 
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleBuffer.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleBuffer.cpp
index 5194219f256..3027e65b256 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleBuffer.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleBuffer.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleBuffer.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleBuffer.h
index adca38041b2..b71fc8b3746 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleBuffer.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleBuffer.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleCallback.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleCallback.cpp
index a020746db5f..f558bf6d241 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleCallback.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleCallback.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleCallback.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleCallback.h
index cb760be80ca..0499702b05b 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleCallback.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleCallback.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexArray.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexArray.cpp
index 5f292532861..a665024cb61 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexArray.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexArray.cpp
@@ -1,11 +1,11 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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,
+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.
@@ -44,11 +44,9 @@ void	btTriangleIndexVertexArray::getLockedVertexIndexBase(unsigned char **vertex
 
 	numverts = mesh.m_numVertices;
 	(*vertexbase) = (unsigned char *) mesh.m_vertexBase;
-	#ifdef BT_USE_DOUBLE_PRECISION
-	type = PHY_DOUBLE;
-	#else
-	type = PHY_FLOAT;
-	#endif
+
+   type = mesh.m_vertexType;
+
 	vertexStride = mesh.m_vertexStride;
 
 	numfaces = mesh.m_numTriangles;
@@ -64,11 +62,9 @@ void	btTriangleIndexVertexArray::getLockedReadOnlyVertexIndexBase(const unsigned
 
 	numverts = mesh.m_numVertices;
 	(*vertexbase) = (const unsigned char *)mesh.m_vertexBase;
-	#ifdef BT_USE_DOUBLE_PRECISION
-	type = PHY_DOUBLE;
-	#else
-	type = PHY_FLOAT;
-	#endif
+
+   type = mesh.m_vertexType;
+   
 	vertexStride = mesh.m_vertexStride;
 
 	numfaces = mesh.m_numTriangles;
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexArray.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexArray.h
index eb79ff5e47d..c64ea6e7043 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexArray.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexArray.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -27,16 +27,32 @@ ATTRIBUTE_ALIGNED16( struct)	btIndexedMesh
 {
 	BT_DECLARE_ALIGNED_ALLOCATOR();
 
-	int			m_numTriangles;
-	const unsigned char *		m_triangleIndexBase;
-	int			m_triangleIndexStride;
-	int			m_numVertices;
-	const unsigned char *		m_vertexBase;
-	int			m_vertexStride;
-	// The index type is set when adding an indexed mesh to the
-	// btTriangleIndexVertexArray, do not set it manually
-	PHY_ScalarType		m_indexType;
-	int			pad;
+   int                     m_numTriangles;
+   const unsigned char *   m_triangleIndexBase;
+   int                     m_triangleIndexStride;
+   int                     m_numVertices;
+   const unsigned char *   m_vertexBase;
+   int                     m_vertexStride;
+
+   // The index type is set when adding an indexed mesh to the
+   // btTriangleIndexVertexArray, do not set it manually
+   PHY_ScalarType m_indexType;
+
+   // The vertex type has a default type similar to Bullet's precision mode (float or double)
+   // but can be set manually if you for example run Bullet with double precision but have
+   // mesh data in single precision..
+   PHY_ScalarType m_vertexType;
+
+
+   btIndexedMesh()
+	   :m_indexType(PHY_INTEGER),
+#ifdef BT_USE_DOUBLE_PRECISION
+      m_vertexType(PHY_DOUBLE)
+#else // BT_USE_DOUBLE_PRECISION
+      m_vertexType(PHY_FLOAT)
+#endif // BT_USE_DOUBLE_PRECISION
+      {
+      }
 }
 ;
 
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.cpp
index abefa71250a..dc562941ad6 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.cpp
@@ -1,12 +1,11 @@
-
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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,
+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.
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.h
index 69a2e631458..ba4f7b46076 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleInfoMap.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleInfoMap.h
new file mode 100644
index 00000000000..282a7702e80
--- /dev/null
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleInfoMap.h
@@ -0,0 +1,238 @@
+/*
+Bullet Continuous Collision Detection and Physics Library
+Copyright (c) 2010 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 _BT_TRIANGLE_INFO_MAP_H
+#define _BT_TRIANGLE_INFO_MAP_H
+
+
+#include "LinearMath/btHashMap.h"
+#include "LinearMath/btSerializer.h"
+
+
+///for btTriangleInfo m_flags
+#define TRI_INFO_V0V1_CONVEX 1
+#define TRI_INFO_V1V2_CONVEX 2
+#define TRI_INFO_V2V0_CONVEX 4
+
+#define TRI_INFO_V0V1_SWAP_NORMALB 8
+#define TRI_INFO_V1V2_SWAP_NORMALB 16
+#define TRI_INFO_V2V0_SWAP_NORMALB 32
+
+
+///The btTriangleInfo structure stores information to adjust collision normals to avoid collisions against internal edges
+///it can be generated using 
+struct	btTriangleInfo
+{
+	btTriangleInfo()
+	{
+		m_edgeV0V1Angle = SIMD_2_PI;
+		m_edgeV1V2Angle = SIMD_2_PI;
+		m_edgeV2V0Angle = SIMD_2_PI;
+		m_flags=0;
+	}
+
+	int			m_flags;
+
+	btScalar	m_edgeV0V1Angle;
+	btScalar	m_edgeV1V2Angle;
+	btScalar	m_edgeV2V0Angle;
+
+};
+
+typedef btHashMap<btHashInt,btTriangleInfo> btInternalTriangleInfoMap;
+
+
+///The btTriangleInfoMap stores edge angle information for some triangles. You can compute this information yourself or using btGenerateInternalEdgeInfo.
+struct	btTriangleInfoMap : public btInternalTriangleInfoMap
+{
+	btScalar	m_convexEpsilon;///used to determine if an edge or contact normal is convex, using the dot product
+	btScalar	m_planarEpsilon; ///used to determine if a triangle edge is planar with zero angle
+	btScalar	m_equalVertexThreshold; ///used to compute connectivity: if the distance between two vertices is smaller than m_equalVertexThreshold, they are considered to be 'shared'
+	btScalar	m_edgeDistanceThreshold; ///used to determine edge contacts: if the closest distance between a contact point and an edge is smaller than this distance threshold it is considered to "hit the edge"
+	btScalar	m_zeroAreaThreshold; ///used to determine if a triangle is degenerate (length squared of cross product of 2 triangle edges < threshold)
+	
+	
+	btTriangleInfoMap()
+	{
+		m_convexEpsilon = 0.00f;
+		m_planarEpsilon = 0.0001f;
+		m_equalVertexThreshold = btScalar(0.0001)*btScalar(0.0001);
+		m_edgeDistanceThreshold = btScalar(0.1);
+		m_zeroAreaThreshold = btScalar(0.0001)*btScalar(0.0001);
+	}
+	virtual ~btTriangleInfoMap() {}
+
+	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;
+
+	void	deSerialize(struct btTriangleInfoMapData& data);
+
+};
+
+struct	btTriangleInfoData
+{
+	int			m_flags;
+	float	m_edgeV0V1Angle;
+	float	m_edgeV1V2Angle;
+	float	m_edgeV2V0Angle;
+};
+
+struct	btTriangleInfoMapData
+{
+	int					*m_hashTablePtr;
+	int					*m_nextPtr;
+	btTriangleInfoData	*m_valueArrayPtr;
+	int					*m_keyArrayPtr;
+
+	float	m_convexEpsilon;
+	float	m_planarEpsilon;
+	float	m_equalVertexThreshold; 
+	float	m_edgeDistanceThreshold;
+	float	m_zeroAreaThreshold;
+
+	int		m_nextSize;
+	int		m_hashTableSize;
+	int		m_numValues;
+	int		m_numKeys;
+	char	m_padding[4];
+};
+
+SIMD_FORCE_INLINE	int	btTriangleInfoMap::calculateSerializeBufferSize() const
+{
+	return sizeof(btTriangleInfoMapData);
+}
+
+///fills the dataBuffer and returns the struct name (and 0 on failure)
+SIMD_FORCE_INLINE	const char*	btTriangleInfoMap::serialize(void* dataBuffer, btSerializer* serializer) const
+{
+	btTriangleInfoMapData* tmapData = (btTriangleInfoMapData*) dataBuffer;
+	tmapData->m_convexEpsilon = m_convexEpsilon;
+	tmapData->m_planarEpsilon = m_planarEpsilon;
+	tmapData->m_equalVertexThreshold = m_equalVertexThreshold;
+	tmapData->m_edgeDistanceThreshold = m_edgeDistanceThreshold;
+	tmapData->m_zeroAreaThreshold = m_zeroAreaThreshold;
+	
+	tmapData->m_hashTableSize = m_hashTable.size();
+
+	tmapData->m_hashTablePtr = tmapData->m_hashTableSize ? (int*)serializer->getUniquePointer((void*)&m_hashTable[0]) : 0;
+	if (tmapData->m_hashTablePtr)
+	{ 
+		//serialize an int buffer
+		int sz = sizeof(int);
+		int numElem = tmapData->m_hashTableSize;
+		btChunk* chunk = serializer->allocate(sz,numElem);
+		int* memPtr = (int*)chunk->m_oldPtr;
+		for (int i=0;i<numElem;i++,memPtr++)
+		{
+			*memPtr = m_hashTable[i];
+		}
+		serializer->finalizeChunk(chunk,"int",BT_ARRAY_CODE,(void*)&m_hashTable[0]);
+
+	}
+
+	tmapData->m_nextSize = m_next.size();
+	tmapData->m_nextPtr = tmapData->m_nextSize? (int*)serializer->getUniquePointer((void*)&m_next[0]): 0;
+	if (tmapData->m_nextPtr)
+	{
+		int sz = sizeof(int);
+		int numElem = tmapData->m_nextSize;
+		btChunk* chunk = serializer->allocate(sz,numElem);
+		int* memPtr = (int*)chunk->m_oldPtr;
+		for (int i=0;i<numElem;i++,memPtr++)
+		{
+			*memPtr = m_next[i];
+		}
+		serializer->finalizeChunk(chunk,"int",BT_ARRAY_CODE,(void*)&m_next[0]);
+	}
+	
+	tmapData->m_numValues = m_valueArray.size();
+	tmapData->m_valueArrayPtr = tmapData->m_numValues ? (btTriangleInfoData*)serializer->getUniquePointer((void*)&m_valueArray[0]): 0;
+	if (tmapData->m_valueArrayPtr)
+	{
+		int sz = sizeof(btTriangleInfoData);
+		int numElem = tmapData->m_numValues;
+		btChunk* chunk = serializer->allocate(sz,numElem);
+		btTriangleInfoData* memPtr = (btTriangleInfoData*)chunk->m_oldPtr;
+		for (int i=0;i<numElem;i++,memPtr++)
+		{
+			memPtr->m_edgeV0V1Angle = m_valueArray[i].m_edgeV0V1Angle;
+			memPtr->m_edgeV1V2Angle = m_valueArray[i].m_edgeV1V2Angle;
+			memPtr->m_edgeV2V0Angle = m_valueArray[i].m_edgeV2V0Angle;
+			memPtr->m_flags = m_valueArray[i].m_flags;
+		}
+		serializer->finalizeChunk(chunk,"btTriangleInfoData",BT_ARRAY_CODE,(void*) &m_valueArray[0]);
+	}
+	
+	tmapData->m_numKeys = m_keyArray.size();
+	tmapData->m_keyArrayPtr = tmapData->m_numKeys ? (int*)serializer->getUniquePointer((void*)&m_keyArray[0]) : 0;
+	if (tmapData->m_keyArrayPtr)
+	{
+		int sz = sizeof(int);
+		int numElem = tmapData->m_numValues;
+		btChunk* chunk = serializer->allocate(sz,numElem);
+		int* memPtr = (int*)chunk->m_oldPtr;
+		for (int i=0;i<numElem;i++,memPtr++)
+		{
+			*memPtr = m_keyArray[i].getUid1();
+		}
+		serializer->finalizeChunk(chunk,"int",BT_ARRAY_CODE,(void*) &m_keyArray[0]);
+
+	}
+	return "btTriangleInfoMapData";
+}
+
+
+
+///fills the dataBuffer and returns the struct name (and 0 on failure)
+SIMD_FORCE_INLINE	void	btTriangleInfoMap::deSerialize(btTriangleInfoMapData& tmapData )
+{
+
+
+	m_convexEpsilon = tmapData.m_convexEpsilon;
+	m_planarEpsilon = tmapData.m_planarEpsilon;
+	m_equalVertexThreshold = tmapData.m_equalVertexThreshold;
+	m_edgeDistanceThreshold = tmapData.m_edgeDistanceThreshold;
+	m_zeroAreaThreshold = tmapData.m_zeroAreaThreshold;
+	m_hashTable.resize(tmapData.m_hashTableSize);
+	int i =0;
+	for (i=0;i<tmapData.m_hashTableSize;i++)
+	{
+		m_hashTable[i] = tmapData.m_hashTablePtr[i];
+	}
+	m_next.resize(tmapData.m_nextSize);
+	for (i=0;i<tmapData.m_nextSize;i++)
+	{
+		m_next[i] = tmapData.m_nextPtr[i];
+	}
+	m_valueArray.resize(tmapData.m_numValues);
+	for (i=0;i<tmapData.m_numValues;i++)
+	{
+		m_valueArray[i].m_edgeV0V1Angle = tmapData.m_valueArrayPtr[i].m_edgeV0V1Angle;
+		m_valueArray[i].m_edgeV1V2Angle = tmapData.m_valueArrayPtr[i].m_edgeV1V2Angle;
+		m_valueArray[i].m_edgeV2V0Angle = tmapData.m_valueArrayPtr[i].m_edgeV2V0Angle;
+		m_valueArray[i].m_flags = tmapData.m_valueArrayPtr[i].m_flags;
+	}
+	
+	m_keyArray.resize(tmapData.m_numKeys,btHashInt(0));
+	for (i=0;i<tmapData.m_numKeys;i++)
+	{
+		m_keyArray[i].setUid1(tmapData.m_keyArrayPtr[i]);
+	}
+}
+
+
+#endif //_BT_TRIANGLE_INFO_MAP_H
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.cpp
index 5dcfa51c280..b29e0f71e62 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -13,6 +13,7 @@ subject to the following restrictions:
 3. This notice may not be removed or altered from any source distribution.
 */
 
+
 #include "btTriangleMesh.h"
 
 
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.h
index f06fbb7c22d..d2624fe18e1 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -13,7 +13,6 @@ subject to the following restrictions:
 3. This notice may not be removed or altered from any source distribution.
 */
 
-
 #ifndef TRIANGLE_MESH_H
 #define TRIANGLE_MESH_H
 
@@ -41,9 +40,6 @@ class btTriangleMesh : public btTriangleIndexVertexArray
 
 		btTriangleMesh (bool use32bitIndices=true,bool use4componentVertices=true);
 
-		int		findOrAddVertex(const btVector3& vertex, bool removeDuplicateVertices);
-		void	addIndex(int index);
-
 		bool	getUse32bitIndices() const
 		{
 			return m_use32bitIndices;
@@ -62,6 +58,10 @@ class btTriangleMesh : public btTriangleIndexVertexArray
 		virtual void	preallocateVertices(int numverts){(void) numverts;}
 		virtual void	preallocateIndices(int numindices){(void) numindices;}
 
+		///findOrAddVertex is an internal method, use addTriangle instead
+		int		findOrAddVertex(const btVector3& vertex, bool removeDuplicateVertices);
+		///addIndex is an internal method, use addTriangle instead
+		void	addIndex(int index);
 		
 };
 
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMeshShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMeshShape.cpp
index 1bd7e84a4e7..683684da770 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMeshShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMeshShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -91,7 +91,7 @@ public:
 	btVector3 m_supportVecLocal;
 
 	SupportVertexCallback(const btVector3& supportVecWorld,const btTransform& trans)
-		: m_supportVertexLocal(btScalar(0.),btScalar(0.),btScalar(0.)), m_worldTrans(trans) ,m_maxDot(btScalar(-1e30))
+		: m_supportVertexLocal(btScalar(0.),btScalar(0.),btScalar(0.)), m_worldTrans(trans) ,m_maxDot(btScalar(-BT_LARGE_FLOAT))
 		
 	{
 		m_supportVecLocal = supportVecWorld * m_worldTrans.getBasis();
@@ -199,7 +199,7 @@ btVector3 btTriangleMeshShape::localGetSupportingVertex(const btVector3& vec) co
 
 	SupportVertexCallback supportCallback(vec,ident);
 
-	btVector3 aabbMax(btScalar(1e30),btScalar(1e30),btScalar(1e30));
+	btVector3 aabbMax(btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT),btScalar(BT_LARGE_FLOAT));
 	
 	processAllTriangles(&supportCallback,-aabbMax,aabbMax);
 		
@@ -207,3 +207,5 @@ btVector3 btTriangleMeshShape::localGetSupportingVertex(const btVector3& vec) co
 
 	return supportVertex;
 }
+
+
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMeshShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMeshShape.h
index 53d65799001..2216698d275 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMeshShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMeshShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -79,7 +79,11 @@ public:
 	//debugging
 	virtual const char*	getName()const {return "TRIANGLEMESH";}
 
+	
 
 };
 
+
+
+
 #endif //TRIANGLE_MESH_SHAPE_H
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleShape.h
index 4bfb0b9e881..847147cf6b4 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -19,7 +19,7 @@ subject to the following restrictions:
 #include "btConvexShape.h"
 #include "btBoxShape.h"
 
-class btTriangleShape : public btPolyhedralConvexShape
+ATTRIBUTE_ALIGNED16(class) btTriangleShape : public btPolyhedralConvexShape
 {
 
 
@@ -32,6 +32,11 @@ public:
 		return 3;
 	}
 
+	btVector3& getVertexPtr(int index)
+	{
+		return m_vertices1[index];
+	}
+
 	const btVector3& getVertexPtr(int index) const
 	{
 		return m_vertices1[index];
@@ -77,7 +82,10 @@ public:
 
 	}
 
-
+	btTriangleShape() : btPolyhedralConvexShape ()
+    {
+		m_shapeType = TRIANGLE_SHAPE_PROXYTYPE;
+	}
 
 	btTriangleShape(const btVector3& p0,const btVector3& p1,const btVector3& p2) : btPolyhedralConvexShape ()
     {
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btUniformScalingShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btUniformScalingShape.cpp
index 4c1c716d519..b148bbd99a5 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btUniformScalingShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btUniformScalingShape.cpp
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2007 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.
@@ -64,25 +64,70 @@ void	btUniformScalingShape::calculateLocalInertia(btScalar mass,btVector3& inert
 
 
 	///getAabb's default implementation is brute force, expected derived classes to implement a fast dedicated version
-void btUniformScalingShape::getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const
+void btUniformScalingShape::getAabb(const btTransform& trans,btVector3& aabbMin,btVector3& aabbMax) const
 {
-	m_childConvexShape->getAabb(t,aabbMin,aabbMax);
-	btVector3 aabbCenter = (aabbMax+aabbMin)*btScalar(0.5);
-	btVector3 scaledAabbHalfExtends = (aabbMax-aabbMin)*btScalar(0.5)*m_uniformScalingFactor;
-
-	aabbMin = aabbCenter - scaledAabbHalfExtends;
-	aabbMax = aabbCenter + scaledAabbHalfExtends;
+	getAabbSlow(trans,aabbMin,aabbMax);
 
 }
 
 void btUniformScalingShape::getAabbSlow(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const
 {
-	m_childConvexShape->getAabbSlow(t,aabbMin,aabbMax);
-	btVector3 aabbCenter = (aabbMax+aabbMin)*btScalar(0.5);
-	btVector3 scaledAabbHalfExtends = (aabbMax-aabbMin)*btScalar(0.5)*m_uniformScalingFactor;
+#if 1
+	btVector3 _directions[] =
+	{
+		btVector3( 1.,  0.,  0.),
+		btVector3( 0.,  1.,  0.),
+		btVector3( 0.,  0.,  1.),
+		btVector3( -1., 0.,  0.),
+		btVector3( 0., -1.,  0.),
+		btVector3( 0.,  0., -1.)
+	};
+	
+	btVector3 _supporting[] =
+	{
+		btVector3( 0., 0., 0.),
+		btVector3( 0., 0., 0.),
+		btVector3( 0., 0., 0.),
+		btVector3( 0., 0., 0.),
+		btVector3( 0., 0., 0.),
+		btVector3( 0., 0., 0.)
+	};
+
+	for (int i=0;i<6;i++)
+	{
+		_directions[i] = _directions[i]*t.getBasis();
+	}
+	
+	batchedUnitVectorGetSupportingVertexWithoutMargin(_directions, _supporting, 6);
+	
+	btVector3 aabbMin1(0,0,0),aabbMax1(0,0,0);
+
+	for ( int i = 0; i < 3; ++i )
+	{
+		aabbMax1[i] = t(_supporting[i])[i];
+		aabbMin1[i] = t(_supporting[i + 3])[i];
+	}
+	btVector3 marginVec(getMargin(),getMargin(),getMargin());
+	aabbMin = aabbMin1-marginVec;
+	aabbMax = aabbMax1+marginVec;
+	
+#else
+
+	btScalar margin = getMargin();
+	for (int i=0;i<3;i++)
+	{
+		btVector3 vec(btScalar(0.),btScalar(0.),btScalar(0.));
+		vec[i] = btScalar(1.);
+		btVector3 sv = localGetSupportingVertex(vec*t.getBasis());
+		btVector3 tmp = t(sv);
+		aabbMax[i] = tmp[i]+margin;
+		vec[i] = btScalar(-1.);
+		sv = localGetSupportingVertex(vec*t.getBasis());
+		tmp = t(sv);
+		aabbMin[i] = tmp[i]-margin;
+	}
 
-	aabbMin = aabbCenter - scaledAabbHalfExtends;
-	aabbMax = aabbCenter + scaledAabbHalfExtends;
+#endif
 }
 
 void	btUniformScalingShape::setLocalScaling(const btVector3& scaling) 
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btUniformScalingShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btUniformScalingShape.h
index 945976ac036..cbf7e6fd3ed 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btUniformScalingShape.h
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btUniformScalingShape.h
@@ -1,6 +1,6 @@
 /*
 Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+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.