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Diffstat (limited to 'extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.h')
| -rw-r--r-- | extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.h new file mode 100644 index 00000000000..2f108020cdf --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.h @@ -0,0 +1,124 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2008 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. +*/ + +/// This file was created by Alex Silverman + +#ifndef BVH_TRIANGLE_MATERIAL_MESH_SHAPE_H +#define BVH_TRIANGLE_MATERIAL_MESH_SHAPE_H + +#include "btBvhTriangleMeshShape.h" +#include "btMaterial.h" + +///The BvhTriangleMaterialMeshShape extends the btBvhTriangleMeshShape. Its main contribution is the interface into a material array, which allows per-triangle friction and restitution. +ATTRIBUTE_ALIGNED16(class) btMultimaterialTriangleMeshShape : public btBvhTriangleMeshShape +{ + btAlignedObjectArray <btMaterial*> m_materialList; + int ** m_triangleMaterials; + +public: + + BT_DECLARE_ALIGNED_ALLOCATOR(); + + btMultimaterialTriangleMeshShape(): btBvhTriangleMeshShape() {} + btMultimaterialTriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression, bool buildBvh = true): + btBvhTriangleMeshShape(meshInterface, useQuantizedAabbCompression, buildBvh) + { + btVector3 m_triangle[3]; + const unsigned char *vertexbase; + int numverts; + PHY_ScalarType type; + int stride; + const unsigned char *indexbase; + int indexstride; + int numfaces; + PHY_ScalarType indicestype; + + //m_materialLookup = (int**)(btAlignedAlloc(sizeof(int*) * meshInterface->getNumSubParts(), 16)); + + for(int i = 0; i < meshInterface->getNumSubParts(); i++) + { + m_meshInterface->getLockedReadOnlyVertexIndexBase( + &vertexbase, + numverts, + type, + stride, + &indexbase, + indexstride, + numfaces, + indicestype, + i); + //m_materialLookup[i] = (int*)(btAlignedAlloc(sizeof(int) * numfaces, 16)); + } + } + + ///optionally pass in a larger bvh aabb, used for quantization. This allows for deformations within this aabb + btMultimaterialTriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression,const btVector3& bvhAabbMin,const btVector3& bvhAabbMax, bool buildBvh = true): + btBvhTriangleMeshShape(meshInterface, useQuantizedAabbCompression, bvhAabbMin, bvhAabbMax, buildBvh) + { + btVector3 m_triangle[3]; + const unsigned char *vertexbase; + int numverts; + PHY_ScalarType type; + int stride; + const unsigned char *indexbase; + int indexstride; + int numfaces; + PHY_ScalarType indicestype; + + //m_materialLookup = (int**)(btAlignedAlloc(sizeof(int*) * meshInterface->getNumSubParts(), 16)); + + for(int i = 0; i < meshInterface->getNumSubParts(); i++) + { + m_meshInterface->getLockedReadOnlyVertexIndexBase( + &vertexbase, + numverts, + type, + stride, + &indexbase, + indexstride, + numfaces, + indicestype, + i); + //m_materialLookup[i] = (int*)(btAlignedAlloc(sizeof(int) * numfaces * 2, 16)); + } + } + + virtual ~btMultimaterialTriangleMeshShape() + { +/* + for(int i = 0; i < m_meshInterface->getNumSubParts(); i++) + { + btAlignedFree(m_materialValues[i]); + m_materialLookup[i] = NULL; + } + btAlignedFree(m_materialValues); + m_materialLookup = NULL; +*/ + } + virtual int getShapeType() const + { + return MULTIMATERIAL_TRIANGLE_MESH_PROXYTYPE; + } + + //debugging + virtual const char* getName()const {return "MULTIMATERIALTRIANGLEMESH";} + + ///Obtains the material for a specific triangle + const btMaterial * getMaterialProperties(int partID, int triIndex); + +} +; + +#endif //BVH_TRIANGLE_MATERIAL_MESH_SHAPE_H |