1 | /* |
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2 | Bullet Continuous Collision Detection and Physics Library |
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3 | Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ |
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4 | |
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5 | This software is provided 'as-is', without any express or implied warranty. |
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6 | In no event will the authors be held liable for any damages arising from the use of this software. |
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7 | Permission is granted to anyone to use this software for any purpose, |
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8 | including commercial applications, and to alter it and redistribute it freely, |
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9 | subject to the following restrictions: |
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10 | |
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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. |
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12 | 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. |
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13 | 3. This notice may not be removed or altered from any source distribution. |
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14 | */ |
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15 | |
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16 | #ifndef BT_QUANTIZED_BVH_H |
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17 | #define BT_QUANTIZED_BVH_H |
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18 | |
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19 | class btSerializer; |
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20 | |
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21 | //#define DEBUG_CHECK_DEQUANTIZATION 1 |
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22 | #ifdef DEBUG_CHECK_DEQUANTIZATION |
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23 | #ifdef __SPU__ |
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24 | #define printf spu_printf |
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25 | #endif //__SPU__ |
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26 | |
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27 | #include <stdio.h> |
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28 | #include <stdlib.h> |
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29 | #endif //DEBUG_CHECK_DEQUANTIZATION |
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30 | |
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31 | #include "LinearMath/btVector3.h" |
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32 | #include "LinearMath/btAlignedAllocator.h" |
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33 | |
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34 | #ifdef BT_USE_DOUBLE_PRECISION |
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35 | #define btQuantizedBvhData btQuantizedBvhDoubleData |
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36 | #define btOptimizedBvhNodeData btOptimizedBvhNodeDoubleData |
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37 | #define btQuantizedBvhDataName "btQuantizedBvhDoubleData" |
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38 | #else |
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39 | #define btQuantizedBvhData btQuantizedBvhFloatData |
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40 | #define btOptimizedBvhNodeData btOptimizedBvhNodeFloatData |
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41 | #define btQuantizedBvhDataName "btQuantizedBvhFloatData" |
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42 | #endif |
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43 | |
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44 | |
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45 | |
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46 | //http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclang/html/vclrf__m128.asp |
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47 | |
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48 | |
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49 | //Note: currently we have 16 bytes per quantized node |
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50 | #define MAX_SUBTREE_SIZE_IN_BYTES 2048 |
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51 | |
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52 | // 10 gives the potential for 1024 parts, with at most 2^21 (2097152) (minus one |
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53 | // actually) triangles each (since the sign bit is reserved |
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54 | #define MAX_NUM_PARTS_IN_BITS 10 |
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55 | |
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56 | ///btQuantizedBvhNode is a compressed aabb node, 16 bytes. |
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57 | ///Node can be used for leafnode or internal node. Leafnodes can point to 32-bit triangle index (non-negative range). |
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58 | ATTRIBUTE_ALIGNED16 (struct) btQuantizedBvhNode |
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59 | { |
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60 | BT_DECLARE_ALIGNED_ALLOCATOR(); |
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61 | |
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62 | //12 bytes |
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63 | unsigned short int m_quantizedAabbMin[3]; |
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64 | unsigned short int m_quantizedAabbMax[3]; |
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65 | //4 bytes |
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66 | int m_escapeIndexOrTriangleIndex; |
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67 | |
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68 | bool isLeafNode() const |
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69 | { |
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70 | //skipindex is negative (internal node), triangleindex >=0 (leafnode) |
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71 | return (m_escapeIndexOrTriangleIndex >= 0); |
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72 | } |
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73 | int getEscapeIndex() const |
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74 | { |
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75 | btAssert(!isLeafNode()); |
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76 | return -m_escapeIndexOrTriangleIndex; |
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77 | } |
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78 | int getTriangleIndex() const |
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79 | { |
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80 | btAssert(isLeafNode()); |
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81 | // Get only the lower bits where the triangle index is stored |
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82 | return (m_escapeIndexOrTriangleIndex&~((~0)<<(31-MAX_NUM_PARTS_IN_BITS))); |
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83 | } |
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84 | int getPartId() const |
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85 | { |
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86 | btAssert(isLeafNode()); |
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87 | // Get only the highest bits where the part index is stored |
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88 | return (m_escapeIndexOrTriangleIndex>>(31-MAX_NUM_PARTS_IN_BITS)); |
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89 | } |
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90 | } |
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91 | ; |
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92 | |
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93 | /// btOptimizedBvhNode contains both internal and leaf node information. |
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94 | /// Total node size is 44 bytes / node. You can use the compressed version of 16 bytes. |
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95 | ATTRIBUTE_ALIGNED16 (struct) btOptimizedBvhNode |
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96 | { |
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97 | BT_DECLARE_ALIGNED_ALLOCATOR(); |
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98 | |
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99 | //32 bytes |
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100 | btVector3 m_aabbMinOrg; |
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101 | btVector3 m_aabbMaxOrg; |
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102 | |
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103 | //4 |
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104 | int m_escapeIndex; |
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105 | |
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106 | //8 |
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107 | //for child nodes |
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108 | int m_subPart; |
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109 | int m_triangleIndex; |
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110 | int m_padding[5];//bad, due to alignment |
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111 | |
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112 | |
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113 | }; |
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114 | |
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115 | |
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116 | ///btBvhSubtreeInfo provides info to gather a subtree of limited size |
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117 | ATTRIBUTE_ALIGNED16(class) btBvhSubtreeInfo |
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118 | { |
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119 | public: |
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120 | BT_DECLARE_ALIGNED_ALLOCATOR(); |
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121 | |
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122 | //12 bytes |
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123 | unsigned short int m_quantizedAabbMin[3]; |
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124 | unsigned short int m_quantizedAabbMax[3]; |
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125 | //4 bytes, points to the root of the subtree |
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126 | int m_rootNodeIndex; |
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127 | //4 bytes |
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128 | int m_subtreeSize; |
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129 | int m_padding[3]; |
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130 | |
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131 | btBvhSubtreeInfo() |
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132 | { |
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133 | //memset(&m_padding[0], 0, sizeof(m_padding)); |
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134 | } |
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135 | |
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136 | |
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137 | void setAabbFromQuantizeNode(const btQuantizedBvhNode& quantizedNode) |
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138 | { |
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139 | m_quantizedAabbMin[0] = quantizedNode.m_quantizedAabbMin[0]; |
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140 | m_quantizedAabbMin[1] = quantizedNode.m_quantizedAabbMin[1]; |
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141 | m_quantizedAabbMin[2] = quantizedNode.m_quantizedAabbMin[2]; |
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142 | m_quantizedAabbMax[0] = quantizedNode.m_quantizedAabbMax[0]; |
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143 | m_quantizedAabbMax[1] = quantizedNode.m_quantizedAabbMax[1]; |
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144 | m_quantizedAabbMax[2] = quantizedNode.m_quantizedAabbMax[2]; |
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145 | } |
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146 | } |
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147 | ; |
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148 | |
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149 | |
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150 | class btNodeOverlapCallback |
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151 | { |
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152 | public: |
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153 | virtual ~btNodeOverlapCallback() {}; |
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154 | |
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155 | virtual void processNode(int subPart, int triangleIndex) = 0; |
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156 | }; |
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157 | |
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158 | #include "LinearMath/btAlignedAllocator.h" |
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159 | #include "LinearMath/btAlignedObjectArray.h" |
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160 | |
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161 | |
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162 | |
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163 | ///for code readability: |
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164 | typedef btAlignedObjectArray<btOptimizedBvhNode> NodeArray; |
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165 | typedef btAlignedObjectArray<btQuantizedBvhNode> QuantizedNodeArray; |
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166 | typedef btAlignedObjectArray<btBvhSubtreeInfo> BvhSubtreeInfoArray; |
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167 | |
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168 | |
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169 | ///The btQuantizedBvh class stores an AABB tree that can be quickly traversed on CPU and Cell SPU. |
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170 | ///It is used by the btBvhTriangleMeshShape as midphase, and by the btMultiSapBroadphase. |
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171 | ///It is recommended to use quantization for better performance and lower memory requirements. |
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172 | ATTRIBUTE_ALIGNED16(class) btQuantizedBvh |
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173 | { |
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174 | public: |
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175 | enum btTraversalMode |
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176 | { |
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177 | TRAVERSAL_STACKLESS = 0, |
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178 | TRAVERSAL_STACKLESS_CACHE_FRIENDLY, |
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179 | TRAVERSAL_RECURSIVE |
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180 | }; |
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181 | |
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182 | protected: |
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183 | |
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184 | |
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185 | btVector3 m_bvhAabbMin; |
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186 | btVector3 m_bvhAabbMax; |
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187 | btVector3 m_bvhQuantization; |
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188 | |
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189 | int m_bulletVersion; //for serialization versioning. It could also be used to detect endianess. |
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190 | |
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191 | int m_curNodeIndex; |
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192 | //quantization data |
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193 | bool m_useQuantization; |
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194 | |
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195 | |
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196 | |
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197 | NodeArray m_leafNodes; |
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198 | NodeArray m_contiguousNodes; |
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199 | QuantizedNodeArray m_quantizedLeafNodes; |
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200 | QuantizedNodeArray m_quantizedContiguousNodes; |
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201 | |
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202 | btTraversalMode m_traversalMode; |
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203 | BvhSubtreeInfoArray m_SubtreeHeaders; |
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204 | |
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205 | //This is only used for serialization so we don't have to add serialization directly to btAlignedObjectArray |
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206 | mutable int m_subtreeHeaderCount; |
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207 | |
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208 | |
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209 | |
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210 | |
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211 | |
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212 | ///two versions, one for quantized and normal nodes. This allows code-reuse while maintaining readability (no template/macro!) |
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213 | ///this might be refactored into a virtual, it is usually not calculated at run-time |
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214 | void setInternalNodeAabbMin(int nodeIndex, const btVector3& aabbMin) |
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215 | { |
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216 | if (m_useQuantization) |
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217 | { |
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218 | quantize(&m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[0] ,aabbMin,0); |
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219 | } else |
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220 | { |
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221 | m_contiguousNodes[nodeIndex].m_aabbMinOrg = aabbMin; |
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222 | |
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223 | } |
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224 | } |
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225 | void setInternalNodeAabbMax(int nodeIndex,const btVector3& aabbMax) |
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226 | { |
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227 | if (m_useQuantization) |
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228 | { |
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229 | quantize(&m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[0],aabbMax,1); |
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230 | } else |
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231 | { |
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232 | m_contiguousNodes[nodeIndex].m_aabbMaxOrg = aabbMax; |
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233 | } |
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234 | } |
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235 | |
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236 | btVector3 getAabbMin(int nodeIndex) const |
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237 | { |
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238 | if (m_useQuantization) |
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239 | { |
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240 | return unQuantize(&m_quantizedLeafNodes[nodeIndex].m_quantizedAabbMin[0]); |
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241 | } |
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242 | //non-quantized |
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243 | return m_leafNodes[nodeIndex].m_aabbMinOrg; |
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244 | |
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245 | } |
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246 | btVector3 getAabbMax(int nodeIndex) const |
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247 | { |
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248 | if (m_useQuantization) |
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249 | { |
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250 | return unQuantize(&m_quantizedLeafNodes[nodeIndex].m_quantizedAabbMax[0]); |
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251 | } |
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252 | //non-quantized |
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253 | return m_leafNodes[nodeIndex].m_aabbMaxOrg; |
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254 | |
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255 | } |
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256 | |
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257 | |
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258 | void setInternalNodeEscapeIndex(int nodeIndex, int escapeIndex) |
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259 | { |
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260 | if (m_useQuantization) |
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261 | { |
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262 | m_quantizedContiguousNodes[nodeIndex].m_escapeIndexOrTriangleIndex = -escapeIndex; |
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263 | } |
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264 | else |
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265 | { |
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266 | m_contiguousNodes[nodeIndex].m_escapeIndex = escapeIndex; |
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267 | } |
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268 | |
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269 | } |
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270 | |
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271 | void mergeInternalNodeAabb(int nodeIndex,const btVector3& newAabbMin,const btVector3& newAabbMax) |
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272 | { |
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273 | if (m_useQuantization) |
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274 | { |
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275 | unsigned short int quantizedAabbMin[3]; |
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276 | unsigned short int quantizedAabbMax[3]; |
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277 | quantize(quantizedAabbMin,newAabbMin,0); |
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278 | quantize(quantizedAabbMax,newAabbMax,1); |
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279 | for (int i=0;i<3;i++) |
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280 | { |
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281 | if (m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[i] > quantizedAabbMin[i]) |
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282 | m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[i] = quantizedAabbMin[i]; |
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283 | |
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284 | if (m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[i] < quantizedAabbMax[i]) |
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285 | m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[i] = quantizedAabbMax[i]; |
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286 | |
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287 | } |
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288 | } else |
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289 | { |
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290 | //non-quantized |
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291 | m_contiguousNodes[nodeIndex].m_aabbMinOrg.setMin(newAabbMin); |
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292 | m_contiguousNodes[nodeIndex].m_aabbMaxOrg.setMax(newAabbMax); |
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293 | } |
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294 | } |
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295 | |
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296 | void swapLeafNodes(int firstIndex,int secondIndex); |
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297 | |
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298 | void assignInternalNodeFromLeafNode(int internalNode,int leafNodeIndex); |
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299 | |
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300 | protected: |
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301 | |
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302 | |
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303 | |
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304 | void buildTree (int startIndex,int endIndex); |
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305 | |
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306 | int calcSplittingAxis(int startIndex,int endIndex); |
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307 | |
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308 | int sortAndCalcSplittingIndex(int startIndex,int endIndex,int splitAxis); |
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309 | |
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310 | void walkStacklessTree(btNodeOverlapCallback* nodeCallback,const btVector3& aabbMin,const btVector3& aabbMax) const; |
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311 | |
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312 | void walkStacklessQuantizedTreeAgainstRay(btNodeOverlapCallback* nodeCallback, const btVector3& raySource, const btVector3& rayTarget, const btVector3& aabbMin, const btVector3& aabbMax, int startNodeIndex,int endNodeIndex) const; |
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313 | void walkStacklessQuantizedTree(btNodeOverlapCallback* nodeCallback,unsigned short int* quantizedQueryAabbMin,unsigned short int* quantizedQueryAabbMax,int startNodeIndex,int endNodeIndex) const; |
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314 | void walkStacklessTreeAgainstRay(btNodeOverlapCallback* nodeCallback, const btVector3& raySource, const btVector3& rayTarget, const btVector3& aabbMin, const btVector3& aabbMax, int startNodeIndex,int endNodeIndex) const; |
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315 | |
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316 | ///tree traversal designed for small-memory processors like PS3 SPU |
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317 | void walkStacklessQuantizedTreeCacheFriendly(btNodeOverlapCallback* nodeCallback,unsigned short int* quantizedQueryAabbMin,unsigned short int* quantizedQueryAabbMax) const; |
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318 | |
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319 | ///use the 16-byte stackless 'skipindex' node tree to do a recursive traversal |
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320 | void walkRecursiveQuantizedTreeAgainstQueryAabb(const btQuantizedBvhNode* currentNode,btNodeOverlapCallback* nodeCallback,unsigned short int* quantizedQueryAabbMin,unsigned short int* quantizedQueryAabbMax) const; |
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321 | |
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322 | ///use the 16-byte stackless 'skipindex' node tree to do a recursive traversal |
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323 | void walkRecursiveQuantizedTreeAgainstQuantizedTree(const btQuantizedBvhNode* treeNodeA,const btQuantizedBvhNode* treeNodeB,btNodeOverlapCallback* nodeCallback) const; |
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324 | |
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325 | |
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326 | |
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327 | |
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328 | void updateSubtreeHeaders(int leftChildNodexIndex,int rightChildNodexIndex); |
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329 | |
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330 | public: |
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331 | |
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332 | BT_DECLARE_ALIGNED_ALLOCATOR(); |
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333 | |
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334 | btQuantizedBvh(); |
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335 | |
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336 | virtual ~btQuantizedBvh(); |
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337 | |
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338 | |
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339 | ///***************************************** expert/internal use only ************************* |
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340 | void setQuantizationValues(const btVector3& bvhAabbMin,const btVector3& bvhAabbMax,btScalar quantizationMargin=btScalar(1.0)); |
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341 | QuantizedNodeArray& getLeafNodeArray() { return m_quantizedLeafNodes; } |
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342 | ///buildInternal is expert use only: assumes that setQuantizationValues and LeafNodeArray are initialized |
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343 | void buildInternal(); |
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344 | ///***************************************** expert/internal use only ************************* |
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345 | |
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346 | void reportAabbOverlappingNodex(btNodeOverlapCallback* nodeCallback,const btVector3& aabbMin,const btVector3& aabbMax) const; |
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347 | void reportRayOverlappingNodex (btNodeOverlapCallback* nodeCallback, const btVector3& raySource, const btVector3& rayTarget) const; |
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348 | void reportBoxCastOverlappingNodex(btNodeOverlapCallback* nodeCallback, const btVector3& raySource, const btVector3& rayTarget, const btVector3& aabbMin,const btVector3& aabbMax) const; |
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349 | |
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350 | SIMD_FORCE_INLINE void quantize(unsigned short* out, const btVector3& point,int isMax) const |
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351 | { |
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352 | |
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353 | btAssert(m_useQuantization); |
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354 | |
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355 | btAssert(point.getX() <= m_bvhAabbMax.getX()); |
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356 | btAssert(point.getY() <= m_bvhAabbMax.getY()); |
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357 | btAssert(point.getZ() <= m_bvhAabbMax.getZ()); |
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358 | |
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359 | btAssert(point.getX() >= m_bvhAabbMin.getX()); |
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360 | btAssert(point.getY() >= m_bvhAabbMin.getY()); |
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361 | btAssert(point.getZ() >= m_bvhAabbMin.getZ()); |
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362 | |
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363 | btVector3 v = (point - m_bvhAabbMin) * m_bvhQuantization; |
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364 | ///Make sure rounding is done in a way that unQuantize(quantizeWithClamp(...)) is conservative |
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365 | ///end-points always set the first bit, so that they are sorted properly (so that neighbouring AABBs overlap properly) |
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366 | ///@todo: double-check this |
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367 | if (isMax) |
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368 | { |
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369 | out[0] = (unsigned short) (((unsigned short)(v.getX()+btScalar(1.)) | 1)); |
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370 | out[1] = (unsigned short) (((unsigned short)(v.getY()+btScalar(1.)) | 1)); |
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371 | out[2] = (unsigned short) (((unsigned short)(v.getZ()+btScalar(1.)) | 1)); |
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372 | } else |
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373 | { |
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374 | out[0] = (unsigned short) (((unsigned short)(v.getX()) & 0xfffe)); |
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375 | out[1] = (unsigned short) (((unsigned short)(v.getY()) & 0xfffe)); |
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376 | out[2] = (unsigned short) (((unsigned short)(v.getZ()) & 0xfffe)); |
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377 | } |
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378 | |
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379 | |
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380 | #ifdef DEBUG_CHECK_DEQUANTIZATION |
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381 | btVector3 newPoint = unQuantize(out); |
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382 | if (isMax) |
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383 | { |
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384 | if (newPoint.getX() < point.getX()) |
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385 | { |
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386 | printf("unconservative X, diffX = %f, oldX=%f,newX=%f\n",newPoint.getX()-point.getX(), newPoint.getX(),point.getX()); |
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387 | } |
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388 | if (newPoint.getY() < point.getY()) |
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389 | { |
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390 | printf("unconservative Y, diffY = %f, oldY=%f,newY=%f\n",newPoint.getY()-point.getY(), newPoint.getY(),point.getY()); |
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391 | } |
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392 | if (newPoint.getZ() < point.getZ()) |
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393 | { |
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394 | |
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395 | printf("unconservative Z, diffZ = %f, oldZ=%f,newZ=%f\n",newPoint.getZ()-point.getZ(), newPoint.getZ(),point.getZ()); |
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396 | } |
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397 | } else |
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398 | { |
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399 | if (newPoint.getX() > point.getX()) |
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400 | { |
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401 | printf("unconservative X, diffX = %f, oldX=%f,newX=%f\n",newPoint.getX()-point.getX(), newPoint.getX(),point.getX()); |
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402 | } |
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403 | if (newPoint.getY() > point.getY()) |
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404 | { |
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405 | printf("unconservative Y, diffY = %f, oldY=%f,newY=%f\n",newPoint.getY()-point.getY(), newPoint.getY(),point.getY()); |
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406 | } |
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407 | if (newPoint.getZ() > point.getZ()) |
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408 | { |
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409 | printf("unconservative Z, diffZ = %f, oldZ=%f,newZ=%f\n",newPoint.getZ()-point.getZ(), newPoint.getZ(),point.getZ()); |
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410 | } |
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411 | } |
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412 | #endif //DEBUG_CHECK_DEQUANTIZATION |
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413 | |
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414 | } |
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415 | |
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416 | |
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417 | SIMD_FORCE_INLINE void quantizeWithClamp(unsigned short* out, const btVector3& point2,int isMax) const |
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418 | { |
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419 | |
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420 | btAssert(m_useQuantization); |
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421 | |
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422 | btVector3 clampedPoint(point2); |
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423 | clampedPoint.setMax(m_bvhAabbMin); |
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424 | clampedPoint.setMin(m_bvhAabbMax); |
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425 | |
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426 | quantize(out,clampedPoint,isMax); |
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427 | |
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428 | } |
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429 | |
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430 | SIMD_FORCE_INLINE btVector3 unQuantize(const unsigned short* vecIn) const |
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431 | { |
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432 | btVector3 vecOut; |
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433 | vecOut.setValue( |
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434 | (btScalar)(vecIn[0]) / (m_bvhQuantization.getX()), |
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435 | (btScalar)(vecIn[1]) / (m_bvhQuantization.getY()), |
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436 | (btScalar)(vecIn[2]) / (m_bvhQuantization.getZ())); |
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437 | vecOut += m_bvhAabbMin; |
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438 | return vecOut; |
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439 | } |
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440 | |
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441 | ///setTraversalMode let's you choose between stackless, recursive or stackless cache friendly tree traversal. Note this is only implemented for quantized trees. |
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442 | void setTraversalMode(btTraversalMode traversalMode) |
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443 | { |
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444 | m_traversalMode = traversalMode; |
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445 | } |
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446 | |
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447 | |
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448 | SIMD_FORCE_INLINE QuantizedNodeArray& getQuantizedNodeArray() |
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449 | { |
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450 | return m_quantizedContiguousNodes; |
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451 | } |
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452 | |
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453 | |
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454 | SIMD_FORCE_INLINE BvhSubtreeInfoArray& getSubtreeInfoArray() |
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455 | { |
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456 | return m_SubtreeHeaders; |
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457 | } |
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458 | |
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459 | //////////////////////////////////////////////////////////////////// |
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460 | |
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461 | /////Calculate space needed to store BVH for serialization |
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462 | unsigned calculateSerializeBufferSize() const; |
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463 | |
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464 | /// Data buffer MUST be 16 byte aligned |
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465 | virtual bool serialize(void *o_alignedDataBuffer, unsigned i_dataBufferSize, bool i_swapEndian) const; |
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466 | |
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467 | ///deSerializeInPlace loads and initializes a BVH from a buffer in memory 'in place' |
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468 | static btQuantizedBvh *deSerializeInPlace(void *i_alignedDataBuffer, unsigned int i_dataBufferSize, bool i_swapEndian); |
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469 | |
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470 | static unsigned int getAlignmentSerializationPadding(); |
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471 | ////////////////////////////////////////////////////////////////////// |
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472 | |
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473 | |
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474 | virtual int calculateSerializeBufferSizeNew() const; |
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475 | |
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476 | ///fills the dataBuffer and returns the struct name (and 0 on failure) |
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477 | virtual const char* serialize(void* dataBuffer, btSerializer* serializer) const; |
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478 | |
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479 | virtual void deSerializeFloat(struct btQuantizedBvhFloatData& quantizedBvhFloatData); |
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480 | |
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481 | virtual void deSerializeDouble(struct btQuantizedBvhDoubleData& quantizedBvhDoubleData); |
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482 | |
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483 | |
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484 | //////////////////////////////////////////////////////////////////// |
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485 | |
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486 | SIMD_FORCE_INLINE bool isQuantized() |
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487 | { |
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488 | return m_useQuantization; |
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489 | } |
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490 | |
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491 | private: |
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492 | // Special "copy" constructor that allows for in-place deserialization |
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493 | // Prevents btVector3's default constructor from being called, but doesn't inialize much else |
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494 | // ownsMemory should most likely be false if deserializing, and if you are not, don't call this (it also changes the function signature, which we need) |
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495 | btQuantizedBvh(btQuantizedBvh &other, bool ownsMemory); |
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496 | |
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497 | } |
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498 | ; |
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499 | |
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500 | |
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501 | struct btBvhSubtreeInfoData |
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502 | { |
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503 | int m_rootNodeIndex; |
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504 | int m_subtreeSize; |
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505 | unsigned short m_quantizedAabbMin[3]; |
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506 | unsigned short m_quantizedAabbMax[3]; |
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507 | }; |
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508 | |
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509 | struct btOptimizedBvhNodeFloatData |
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510 | { |
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511 | btVector3FloatData m_aabbMinOrg; |
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512 | btVector3FloatData m_aabbMaxOrg; |
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513 | int m_escapeIndex; |
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514 | int m_subPart; |
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515 | int m_triangleIndex; |
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516 | char m_pad[4]; |
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517 | }; |
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518 | |
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519 | struct btOptimizedBvhNodeDoubleData |
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520 | { |
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521 | btVector3DoubleData m_aabbMinOrg; |
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522 | btVector3DoubleData m_aabbMaxOrg; |
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523 | int m_escapeIndex; |
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524 | int m_subPart; |
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525 | int m_triangleIndex; |
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526 | char m_pad[4]; |
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527 | }; |
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528 | |
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529 | |
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530 | struct btQuantizedBvhNodeData |
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531 | { |
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532 | unsigned short m_quantizedAabbMin[3]; |
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533 | unsigned short m_quantizedAabbMax[3]; |
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534 | int m_escapeIndexOrTriangleIndex; |
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535 | }; |
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536 | |
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537 | struct btQuantizedBvhFloatData |
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538 | { |
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539 | btVector3FloatData m_bvhAabbMin; |
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540 | btVector3FloatData m_bvhAabbMax; |
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541 | btVector3FloatData m_bvhQuantization; |
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542 | int m_curNodeIndex; |
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543 | int m_useQuantization; |
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544 | int m_numContiguousLeafNodes; |
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545 | int m_numQuantizedContiguousNodes; |
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546 | btOptimizedBvhNodeFloatData *m_contiguousNodesPtr; |
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547 | btQuantizedBvhNodeData *m_quantizedContiguousNodesPtr; |
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548 | btBvhSubtreeInfoData *m_subTreeInfoPtr; |
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549 | int m_traversalMode; |
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550 | int m_numSubtreeHeaders; |
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551 | |
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552 | }; |
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553 | |
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554 | struct btQuantizedBvhDoubleData |
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555 | { |
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556 | btVector3DoubleData m_bvhAabbMin; |
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557 | btVector3DoubleData m_bvhAabbMax; |
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558 | btVector3DoubleData m_bvhQuantization; |
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559 | int m_curNodeIndex; |
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560 | int m_useQuantization; |
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561 | int m_numContiguousLeafNodes; |
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562 | int m_numQuantizedContiguousNodes; |
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563 | btOptimizedBvhNodeDoubleData *m_contiguousNodesPtr; |
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564 | btQuantizedBvhNodeData *m_quantizedContiguousNodesPtr; |
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565 | |
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566 | int m_traversalMode; |
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567 | int m_numSubtreeHeaders; |
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568 | btBvhSubtreeInfoData *m_subTreeInfoPtr; |
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569 | }; |
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570 | |
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571 | |
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572 | SIMD_FORCE_INLINE int btQuantizedBvh::calculateSerializeBufferSizeNew() const |
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573 | { |
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574 | return sizeof(btQuantizedBvhData); |
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575 | } |
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576 | |
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577 | |
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578 | |
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579 | #endif //BT_QUANTIZED_BVH_H |
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