btScaledBvhTriangleMeshShape.h

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00001 /*
00002 Bullet Continuous Collision Detection and Physics Library
00003 Copyright (c) 2003-2009 Erwin Coumans  http://bulletphysics.org
00004 
00005 This software is provided 'as-is', without any express or implied warranty.
00006 In no event will the authors be held liable for any damages arising from the use of this software.
00007 Permission is granted to anyone to use this software for any purpose, 
00008 including commercial applications, and to alter it and redistribute it freely, 
00009 subject to the following restrictions:
00010 
00011 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.
00012 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
00013 3. This notice may not be removed or altered from any source distribution.
00014 */
00015 
00016 #ifndef BT_SCALED_BVH_TRIANGLE_MESH_SHAPE_H
00017 #define BT_SCALED_BVH_TRIANGLE_MESH_SHAPE_H
00018 
00019 #include "BulletCollision/CollisionShapes/btBvhTriangleMeshShape.h"
00020 
00021 
00024 ATTRIBUTE_ALIGNED16(class) btScaledBvhTriangleMeshShape : public btConcaveShape
00025 {
00026         
00027         
00028         btVector3       m_localScaling;
00029 
00030         btBvhTriangleMeshShape* m_bvhTriMeshShape;
00031 
00032 public:
00033 
00034         BT_DECLARE_ALIGNED_ALLOCATOR();
00035 
00036 
00037         btScaledBvhTriangleMeshShape(btBvhTriangleMeshShape* childShape,const btVector3& localScaling);
00038 
00039         virtual ~btScaledBvhTriangleMeshShape();
00040 
00041 
00042         virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const;
00043         virtual void    setLocalScaling(const btVector3& scaling);
00044         virtual const btVector3& getLocalScaling() const;
00045         virtual void    calculateLocalInertia(btScalar mass,btVector3& inertia) const;
00046 
00047         virtual void    processAllTriangles(btTriangleCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const;
00048 
00049         btBvhTriangleMeshShape* getChildShape()
00050         {
00051                 return m_bvhTriMeshShape;
00052         }
00053 
00054         const btBvhTriangleMeshShape*   getChildShape() const
00055         {
00056                 return m_bvhTriMeshShape;
00057         }
00058 
00059         //debugging
00060         virtual const char*     getName()const {return "SCALEDBVHTRIANGLEMESH";}
00061 
00062         virtual int     calculateSerializeBufferSize() const;
00063 
00065         virtual const char*     serialize(void* dataBuffer, btSerializer* serializer) const;
00066 
00067 };
00068 
00070 struct  btScaledTriangleMeshShapeData
00071 {
00072         btTriangleMeshShapeData m_trimeshShapeData;
00073 
00074         btVector3FloatData      m_localScaling;
00075 };
00076 
00077 
00078 SIMD_FORCE_INLINE       int     btScaledBvhTriangleMeshShape::calculateSerializeBufferSize() const
00079 {
00080         return sizeof(btScaledTriangleMeshShapeData);
00081 }
00082 
00083 
00085 SIMD_FORCE_INLINE       const char*     btScaledBvhTriangleMeshShape::serialize(void* dataBuffer, btSerializer* serializer) const
00086 {
00087         btScaledTriangleMeshShapeData* scaledMeshData = (btScaledTriangleMeshShapeData*) dataBuffer;
00088         m_bvhTriMeshShape->serialize(&scaledMeshData->m_trimeshShapeData,serializer);
00089         scaledMeshData->m_trimeshShapeData.m_collisionShapeData.m_shapeType = SCALED_TRIANGLE_MESH_SHAPE_PROXYTYPE;
00090         m_localScaling.serializeFloat(scaledMeshData->m_localScaling);
00091         return "btScaledTriangleMeshShapeData";
00092 }
00093 
00094 
00095 #endif //BT_SCALED_BVH_TRIANGLE_MESH_SHAPE_H