1 /*
2 Bullet Continuous Collision Detection and Physics Library
3 Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org
4
5 This software is provided 'as-is', without any express or implied warranty.
6 In no event will the authors be held liable for any damages arising from the use of this software.
7 Permission is granted to anyone to use this software for any purpose,
8 including commercial applications, and to alter it and redistribute it freely,
9 subject to the following restrictions:
10
11 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.
12 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
13 3. This notice may not be removed or altered from any source distribution.
14 */
15
16 ///This file was created by Alex Silverman
17
18 #include "btTriangleIndexVertexMaterialArray.h"
19
btTriangleIndexVertexMaterialArray(int numTriangles,int * triangleIndexBase,int triangleIndexStride,int numVertices,btScalar * vertexBase,int vertexStride,int numMaterials,unsigned char * materialBase,int materialStride,int * triangleMaterialsBase,int materialIndexStride)20 btTriangleIndexVertexMaterialArray::btTriangleIndexVertexMaterialArray(int numTriangles, int* triangleIndexBase, int triangleIndexStride,
21 int numVertices, btScalar* vertexBase, int vertexStride,
22 int numMaterials, unsigned char* materialBase, int materialStride,
23 int* triangleMaterialsBase, int materialIndexStride) : btTriangleIndexVertexArray(numTriangles, triangleIndexBase, triangleIndexStride, numVertices, vertexBase, vertexStride)
24 {
25 btMaterialProperties mat;
26
27 mat.m_numMaterials = numMaterials;
28 mat.m_materialBase = materialBase;
29 mat.m_materialStride = materialStride;
30 #ifdef BT_USE_DOUBLE_PRECISION
31 mat.m_materialType = PHY_DOUBLE;
32 #else
33 mat.m_materialType = PHY_FLOAT;
34 #endif
35
36 mat.m_numTriangles = numTriangles;
37 mat.m_triangleMaterialsBase = (unsigned char*)triangleMaterialsBase;
38 mat.m_triangleMaterialStride = materialIndexStride;
39 mat.m_triangleType = PHY_INTEGER;
40
41 addMaterialProperties(mat);
42 }
43
getLockedMaterialBase(unsigned char ** materialBase,int & numMaterials,PHY_ScalarType & materialType,int & materialStride,unsigned char ** triangleMaterialBase,int & numTriangles,int & triangleMaterialStride,PHY_ScalarType & triangleType,int subpart)44 void btTriangleIndexVertexMaterialArray::getLockedMaterialBase(unsigned char** materialBase, int& numMaterials, PHY_ScalarType& materialType, int& materialStride,
45 unsigned char** triangleMaterialBase, int& numTriangles, int& triangleMaterialStride, PHY_ScalarType& triangleType, int subpart)
46 {
47 btAssert(subpart < getNumSubParts());
48
49 btMaterialProperties& mats = m_materials[subpart];
50
51 numMaterials = mats.m_numMaterials;
52 (*materialBase) = (unsigned char*)mats.m_materialBase;
53 #ifdef BT_USE_DOUBLE_PRECISION
54 materialType = PHY_DOUBLE;
55 #else
56 materialType = PHY_FLOAT;
57 #endif
58 materialStride = mats.m_materialStride;
59
60 numTriangles = mats.m_numTriangles;
61 (*triangleMaterialBase) = (unsigned char*)mats.m_triangleMaterialsBase;
62 triangleMaterialStride = mats.m_triangleMaterialStride;
63 triangleType = mats.m_triangleType;
64 }
65
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)66 void btTriangleIndexVertexMaterialArray::getLockedReadOnlyMaterialBase(const unsigned char** materialBase, int& numMaterials, PHY_ScalarType& materialType, int& materialStride,
67 const unsigned char** triangleMaterialBase, int& numTriangles, int& triangleMaterialStride, PHY_ScalarType& triangleType, int subpart)
68 {
69 btMaterialProperties& mats = m_materials[subpart];
70
71 numMaterials = mats.m_numMaterials;
72 (*materialBase) = (const unsigned char*)mats.m_materialBase;
73 #ifdef BT_USE_DOUBLE_PRECISION
74 materialType = PHY_DOUBLE;
75 #else
76 materialType = PHY_FLOAT;
77 #endif
78 materialStride = mats.m_materialStride;
79
80 numTriangles = mats.m_numTriangles;
81 (*triangleMaterialBase) = (const unsigned char*)mats.m_triangleMaterialsBase;
82 triangleMaterialStride = mats.m_triangleMaterialStride;
83 triangleType = mats.m_triangleType;
84 }
85