83 lines
3.8 KiB
C++
83 lines
3.8 KiB
C++
/*
|
|
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
|