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diff --git a/thirdparty/bullet/src/BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.h b/thirdparty/bullet/src/BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.h
deleted file mode 100644
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--- a/thirdparty/bullet/src/BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.h
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-/*
-Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org
-
-This software is provided 'as-is', without any express or implied warranty.
-In no event will the authors be held liable for any damages arising from the use of this software.
-Permission is granted to anyone to use this software for any purpose,
-including commercial applications, and to alter it and redistribute it freely,
-subject to the following restrictions:
-
-1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
-2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
-3. This notice may not be removed or altered from any source distribution.
-*/
-
-///This file was created by Alex Silverman
-
-#ifndef BT_MULTIMATERIAL_TRIANGLE_INDEX_VERTEX_ARRAY_H
-#define BT_MULTIMATERIAL_TRIANGLE_INDEX_VERTEX_ARRAY_H
-
-#include "btTriangleIndexVertexArray.h"
-
-
-ATTRIBUTE_ALIGNED16( struct) btMaterialProperties
-{
- ///m_materialBase ==========> 2 btScalar values make up one material, friction then restitution
- int m_numMaterials;
- const unsigned char * m_materialBase;
- int m_materialStride;
- PHY_ScalarType m_materialType;
- ///m_numTriangles <=========== This exists in the btIndexedMesh object for the same subpart, but since we're
- /// padding the structure, it can be reproduced at no real cost
- ///m_triangleMaterials =====> 1 integer value makes up one entry
- /// eg: m_triangleMaterials[1] = 5; // This will set triangle 2 to use material 5
- int m_numTriangles;
- const unsigned char * m_triangleMaterialsBase;
- int m_triangleMaterialStride;
- ///m_triangleType <========== Automatically set in addMaterialProperties
- PHY_ScalarType m_triangleType;
-};
-
-typedef btAlignedObjectArray<btMaterialProperties> MaterialArray;
-
-///Teh btTriangleIndexVertexMaterialArray is built on TriangleIndexVertexArray
-///The addition of a material array allows for the utilization of the partID and
-///triangleIndex that are returned in the ContactAddedCallback. As with
-///TriangleIndexVertexArray, no duplicate is made of the material data, so it
-///is the users responsibility to maintain the array during the lifetime of the
-///TriangleIndexVertexMaterialArray.
-ATTRIBUTE_ALIGNED16(class) btTriangleIndexVertexMaterialArray : public btTriangleIndexVertexArray
-{
-protected:
- MaterialArray m_materials;
-
-public:
- BT_DECLARE_ALIGNED_ALLOCATOR();
-
- btTriangleIndexVertexMaterialArray()
- {
- }
-
- btTriangleIndexVertexMaterialArray(int numTriangles,int* triangleIndexBase,int triangleIndexStride,
- int numVertices,btScalar* vertexBase,int vertexStride,
- int numMaterials, unsigned char* materialBase, int materialStride,
- int* triangleMaterialsBase, int materialIndexStride);
-
- virtual ~btTriangleIndexVertexMaterialArray() {}
-
- void addMaterialProperties(const btMaterialProperties& mat, PHY_ScalarType triangleType = PHY_INTEGER)
- {
- m_materials.push_back(mat);
- m_materials[m_materials.size()-1].m_triangleType = triangleType;
- }
-
- virtual void getLockedMaterialBase(unsigned char **materialBase, int& numMaterials, PHY_ScalarType& materialType, int& materialStride,
- unsigned char ** triangleMaterialBase, int& numTriangles, int& triangleMaterialStride, PHY_ScalarType& triangleType ,int subpart = 0);
-
- virtual void getLockedReadOnlyMaterialBase(const unsigned char **materialBase, int& numMaterials, PHY_ScalarType& materialType, int& materialStride,
- const unsigned char ** triangleMaterialBase, int& numTriangles, int& triangleMaterialStride, PHY_ScalarType& triangleType, int subpart = 0);
-
-}
-;
-
-#endif //BT_MULTIMATERIAL_TRIANGLE_INDEX_VERTEX_ARRAY_H