1 |
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2 | #include "SceneGraph.h"
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3 | #include "Exporter.h"
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4 | #include "UnigraphicsParser.h"
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5 | #include "X3dParser.h"
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6 | #include "Preprocessor.h"
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7 | #include "ViewCell.h"
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8 | #include "Environment.h"
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9 | #include "ViewCellsManager.h"
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10 | #include "ViewCellBsp.h"
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11 | #include "VspBspTree.h"
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12 | #include "RenderSimulator.h"
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13 | #include "GlRenderer.h"
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14 | #include "PlyParser.h"
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15 | #include "SamplingStrategy.h"
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16 | #include "VspTree.h"
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17 | #include "OspTree.h"
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18 | #include "ObjParser.h"
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19 | #include "BvHierarchy.h"
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20 | #include "HierarchyManager.h"
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21 | #include "VssRay.h"
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22 | #include "IntelRayCaster.h"
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23 | #include "HavranRayCaster.h"
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24 | #include "InternalRayCaster.h"
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25 | #include "GlobalLinesRenderer.h"
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26 | #include "ObjectsParser.h"
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27 |
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28 |
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29 | #define DEBUG_RAYCAST 0
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30 | #define SHOW_RAYCAST_TIMING 1
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31 |
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32 | using namespace std;
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33 |
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34 | namespace GtpVisibilityPreprocessor {
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35 |
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36 |
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37 | inline static bool ilt(Intersectable *obj1, Intersectable *obj2)
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38 | {
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39 | return obj1->mId < obj2->mId;
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40 | }
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41 |
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42 |
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43 | Preprocessor *preprocessor = NULL;
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44 |
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45 |
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46 | Preprocessor::Preprocessor():
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47 | mKdTree(NULL),
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48 | mBspTree(NULL),
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49 | mVspBspTree(NULL),
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50 | mViewCellsManager(NULL),
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51 | mRenderSimulator(NULL),
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52 | mPass(0),
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53 | mSceneGraph(NULL),
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54 | mRayCaster(NULL),
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55 | mStopComputation(false),
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56 | mThread(NULL),
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57 | mGlobalLinesRenderer(NULL),
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58 | mUseHwGlobalLines(false),
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59 | mTotalRaysCast(0)
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60 | {
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61 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlRenderer", mUseGlRenderer);
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62 |
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63 | // renderer will be constructed when the scene graph and viewcell manager will be known
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64 | renderer = NULL;
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65 |
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66 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlDebugger", mUseGlDebugger);
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67 | Environment::GetSingleton()->GetBoolValue("Preprocessor.loadMeshes", mLoadMeshes);
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68 | Environment::GetSingleton()->GetBoolValue("Preprocessor.quitOnFinish", mQuitOnFinish);
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69 | Environment::GetSingleton()->GetBoolValue("Preprocessor.computeVisibility", mComputeVisibility);
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70 | Environment::GetSingleton()->GetBoolValue("Preprocessor.detectEmptyViewSpace", mDetectEmptyViewSpace);
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71 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportVisibility", mExportVisibility );
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72 |
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73 | char buffer[256];
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74 | Environment::GetSingleton()->GetStringValue("Preprocessor.visibilityFile", buffer);
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75 | mVisibilityFileName = buffer;
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76 |
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77 | Environment::GetSingleton()->GetStringValue("Preprocessor.stats", buffer);
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78 | mStats.open(buffer);
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79 |
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80 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilityFilter", mApplyVisibilityFilter);
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81 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilitySpatialFilter",
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82 | mApplyVisibilitySpatialFilter );
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83 | Environment::GetSingleton()->GetFloatValue("Preprocessor.visibilityFilterWidth", mVisibilityFilterWidth);
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84 |
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85 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportObj", mExportObj);
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86 |
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87 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useViewSpaceBox", mUseViewSpaceBox);
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88 |
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89 | Environment::GetSingleton()->GetBoolValue("Preprocessor.Export.rays", mExportRays);
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90 | Environment::GetSingleton()->GetBoolValue("Preprocessor.Export.animation", mExportAnimation);
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91 | Environment::GetSingleton()->GetIntValue("Preprocessor.Export.numRays", mExportNumRays);
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92 |
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93 | Environment::GetSingleton()->GetIntValue("Preprocessor.samplesPerPass", mSamplesPerPass);
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94 | Environment::GetSingleton()->GetIntValue("Preprocessor.totalSamples", mTotalSamples);
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95 | Environment::GetSingleton()->GetIntValue("Preprocessor.totalTime", mTotalTime);
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96 | Environment::GetSingleton()->GetIntValue("Preprocessor.samplesPerEvaluation",
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97 | mSamplesPerEvaluation);
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98 |
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99 | Debug << "******* Preprocessor Options **********" << endl;
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100 | Debug << "detect empty view space=" << mDetectEmptyViewSpace << endl;
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101 | Debug << "load meshes: " << mLoadMeshes << endl;
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102 | Debug << "load meshes: " << mLoadMeshes << endl;
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103 | Debug << "export obj: " << mExportObj << endl;
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104 | Debug << "use view space box: " << mUseViewSpaceBox << endl;
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105 |
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106 | cout << "samples per pass " << mSamplesPerPass << endl;
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107 | }
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108 |
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109 |
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110 | Preprocessor::~Preprocessor()
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111 | {
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112 | cout << "cleaning up" << endl;
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113 |
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114 | cout << "Deleting view cells manager ... \n";
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115 | DEL_PTR(mViewCellsManager);
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116 | cout << "done.\n";
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117 |
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118 | cout << "Deleting bsp tree ... \n";
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119 | DEL_PTR(mBspTree);
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120 | cout << "done.\n";
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121 |
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122 | cout << "Deleting kd tree ...\n";
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123 | DEL_PTR(mKdTree);
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124 | cout << "done.\n";
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125 |
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126 | cout << "Deleting vspbsp tree ... \n";
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127 | DEL_PTR(mVspBspTree);
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128 | cout << "done.\n";
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129 |
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130 | cout << "Deleting scene graph ... \n";
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131 | DEL_PTR(mSceneGraph);
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132 | cout << "done.\n";
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133 |
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134 | cout << "deleting render simulator ... \n";
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135 | DEL_PTR(mRenderSimulator);
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136 | mRenderSimulator = NULL;
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137 |
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138 | cout << "deleting renderer ... \n";
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139 | DEL_PTR(renderer);
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140 | renderer = NULL;
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141 |
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142 | cout << "deleting ray caster ... \n";
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143 | DEL_PTR(mRayCaster);
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144 |
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145 | #ifdef USE_CG
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146 | cout << "deleting global lines renderer ... \n";
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147 | DEL_PTR(mGlobalLinesRenderer);
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148 | #endif
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149 | cout << "finished" << endl;
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150 | }
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151 |
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152 |
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153 | GlRendererBuffer *Preprocessor::GetRenderer()
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154 | {
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155 | return renderer;
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156 | }
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157 |
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158 |
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159 |
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160 |
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161 | void Preprocessor::SetThread(PreprocessorThread *t)
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162 | {
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163 | mThread = t;
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164 | }
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165 |
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166 |
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167 | PreprocessorThread *Preprocessor::GetThread() const
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168 | {
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169 | return mThread;
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170 | }
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171 |
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172 |
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173 | bool Preprocessor::LoadBinaryObj(const string &filename,
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174 | SceneGraphLeaf *root,
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175 | vector<FaceParentInfo> *parents)
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176 | {
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177 | //ifstream inStream(filename, ios::binary);
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178 | igzstream inStream(filename.c_str());
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179 |
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180 | if (!inStream.is_open())
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181 | return false;
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182 |
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183 | cout << "binary obj dump available, loading " << filename.c_str() << endl;
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184 |
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185 | // read in triangle size
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186 | int numTriangles;
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187 |
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188 | inStream.read(reinterpret_cast<char *>(&numTriangles), sizeof(int));
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189 | root->mGeometry.reserve(numTriangles);
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190 | cout << "loading " << numTriangles << " triangles (" << numTriangles *
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191 | (sizeof(TriangleIntersectable) + sizeof(TriangleIntersectable *)) /
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192 | (1024 * 1024) << " MB)" << endl;
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193 |
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194 | int i = 0;
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195 |
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196 | while (1)
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197 | {
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198 | Triangle3 tri;
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199 |
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200 | inStream.read(reinterpret_cast<char *>(tri.mVertices + 0), sizeof(Vector3));
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201 | inStream.read(reinterpret_cast<char *>(tri.mVertices + 1), sizeof(Vector3));
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202 | inStream.read(reinterpret_cast<char *>(tri.mVertices + 2), sizeof(Vector3));
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203 |
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204 | // end of file reached
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205 | if (inStream.eof())
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206 | break;
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207 |
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208 | TriangleIntersectable *obj = new TriangleIntersectable(tri);
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209 | root->mGeometry.push_back(obj);
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210 |
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211 | if ((i ++) % 500000 == 499999)
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212 | cout<<"\r"<<i<<"/"<<numTriangles<<"\r";
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213 | }
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214 |
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215 | if (i != numTriangles)
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216 | {
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217 | cout << "warning: triangle size does not match with loaded triangle size" << endl;
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218 | return false;
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219 | }
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220 |
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221 | cout << "loaded " << numTriangles << " triangles" << endl;
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222 |
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223 | return true;
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224 | }
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225 |
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226 |
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227 | bool Preprocessor::ExportBinaryObj(const string &filename, SceneGraphLeaf *root)
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228 | {
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229 | ogzstream samplesOut(filename.c_str());
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230 |
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231 | if (!samplesOut.is_open())
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232 | return false;
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233 |
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234 | int numTriangles = (int)root->mGeometry.size();
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235 |
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236 | samplesOut.write(reinterpret_cast<char *>(&numTriangles), sizeof(int));
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237 |
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238 | ObjectContainer::const_iterator oit, oit_end = root->mGeometry.end();
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239 |
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240 | for (oit = root->mGeometry.begin(); oit != oit_end; ++ oit)
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241 | {
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242 | Intersectable *obj = *oit;
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243 |
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244 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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245 | {
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246 | Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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247 |
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248 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 0), sizeof(Vector3));
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249 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 1), sizeof(Vector3));
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250 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 2), sizeof(Vector3));
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251 | }
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252 | else
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253 | {
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254 | cout << "not implemented intersectable type " << obj->Type() << endl;
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255 | }
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256 | }
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257 |
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258 | cout << "exported " << numTriangles << " triangles" << endl;
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259 |
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260 | return true;
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261 | }
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262 |
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263 |
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264 | bool Preprocessor::ExportObj(const string &filename, const ObjectContainer &objects)
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265 | {
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266 | ofstream samplesOut(filename.c_str());
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267 |
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268 | if (!samplesOut.is_open())
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269 | return false;
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270 |
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271 | ObjectContainer::const_iterator oit, oit_end = objects.end();
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272 |
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273 | //AxisAlignedBox3 bbox = mSceneGraph->GetBox(); bbox.Enlarge(30.0);
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274 | for (oit = objects.begin(); oit != oit_end; ++ oit)
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275 | {
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276 | Intersectable *obj = *oit;
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277 |
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278 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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279 | {
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280 | Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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281 | //if (!(bbox.IsInside(tri.mVertices[0]) && bbox.IsInside(tri.mVertices[1]) && bbox.IsInside(tri.mVertices[2])))continue;
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282 |
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283 | samplesOut << "v " << tri.mVertices[0].x << " " << tri.mVertices[0].y << " " << tri.mVertices[0].z << endl;
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284 | samplesOut << "v " << tri.mVertices[1].x << " " << tri.mVertices[1].y << " " << tri.mVertices[1].z << endl;
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285 | samplesOut << "v " << tri.mVertices[2].x << " " << tri.mVertices[2].y << " " << tri.mVertices[2].z << endl;
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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 | cout << "not implemented intersectable type " << obj->Type() << endl;
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291 | }
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292 | }
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293 |
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294 | // write faces
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295 | int i = 1;
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296 | for (oit = objects.begin(); oit != oit_end; ++ oit)
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297 | {
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298 | Intersectable *obj = *oit;
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299 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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300 | {
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301 | //Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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302 | //if (!(bbox.IsInside(tri.mVertices[0]) && bbox.IsInside(tri.mVertices[1]) && bbox.IsInside(tri.mVertices[2]))) continue;
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303 |
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304 | Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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305 | samplesOut << "f " << i << " " << i + 1 << " " << i + 2 << endl;
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306 | i += 3;
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307 | }
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308 | else
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309 | {
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310 | cout << "not implemented intersectable type " << obj->Type() << endl;
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311 | }
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312 | }
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313 |
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314 | return true;
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315 |
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316 | }
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317 |
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318 |
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319 |
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320 | Intersectable *Preprocessor::GetParentObject(const int index) const
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321 | {
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322 | if (index < 0)
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323 | {
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324 | //cerr << "Warning: triangle index smaller zero! " << index << endl;
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325 | return NULL;
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326 | }
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327 |
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328 | if (!mFaceParents.empty())
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329 | {
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330 | if (index >= (int)mFaceParents.size())
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331 | {
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332 | cerr << "Warning: triangle index out of range! " << index << endl;
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333 | return NULL;
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334 | }
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335 | else
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336 | {
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337 | return mFaceParents[index].mObject;
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338 | }
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339 | }
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340 | else
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341 | {
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342 | if (index >= (int)mObjects.size())
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343 | {
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344 | cerr<<"Warning: triangle index out of range! " << index << " of " << (int)mObjects.size() << endl;
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345 | return NULL;
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346 | }
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347 | else
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348 | {
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349 | return mObjects[index];
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350 | }
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351 | }
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352 | }
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353 |
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354 |
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355 | Vector3 Preprocessor::GetParentNormal(const int index) const
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356 | {
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357 | if (!mFaceParents.empty())
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358 | {
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359 | return mFaceParents[index].mObject->GetNormal(mFaceParents[index].mFaceIndex);
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360 | }
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361 | else
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362 | {
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363 | return mObjects[index]->GetNormal(0);
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364 | }
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365 | }
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366 |
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367 |
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368 | bool
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369 | Preprocessor::LoadScene(const string &filename)
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370 | {
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371 | // use leaf nodes of the original spatial hierarchy as occludees
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372 | mSceneGraph = new SceneGraph;
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373 |
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374 | Parser *parser;
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375 | vector<string> filenames;
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376 | const int files = SplitFilenames(filename, filenames);
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377 | cout << "number of input files: " << files << endl;
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378 |
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379 | bool result = false;
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380 | bool isObj = false;
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381 |
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382 | // root for different files
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383 | mSceneGraph->SetRoot(new SceneGraphInterior());
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384 |
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385 | // intel ray caster can only trace triangles
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386 | int rayCastMethod;
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387 | Environment::GetSingleton()->GetIntValue("Preprocessor.rayCastMethod",
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388 | rayCastMethod);
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389 |
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390 | vector<FaceParentInfo> *fi =
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391 | ((rayCastMethod == RayCaster::INTEL_RAYCASTER ||
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392 | rayCastMethod == RayCaster::HAVRAN_RAYCASTER
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393 | ) && mLoadMeshes) ?
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394 | &mFaceParents : NULL;
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395 |
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396 | if (files == 1)
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397 | {
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398 | SceneGraphLeaf *leaf = new SceneGraphLeaf();
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399 |
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400 | if (strstr(filename.c_str(), ".x3d"))
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401 | {
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402 | parser = new X3dParser;
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403 |
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404 | result = parser->ParseFile(filename,
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405 | leaf,
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406 | mLoadMeshes,
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407 | fi);
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408 | delete parser;
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409 | }
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410 | else if (strstr(filename.c_str(), ".ply") || strstr(filename.c_str(), ".plb"))
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411 | {
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412 | parser = new PlyParser;
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413 |
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414 | result = parser->ParseFile(filename,
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415 | leaf,
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416 | mLoadMeshes,
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417 | fi);
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418 | delete parser;
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419 | }
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420 | else if (strstr(filename.c_str(), ".obj"))
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421 | {
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422 | isObj = true;
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423 |
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424 | // hack: load binary dump
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425 | const string bnFile = ReplaceSuffix(filename, ".obj", ".bn");
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426 |
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427 | if (!mLoadMeshes)
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428 | {
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429 | result = LoadBinaryObj(bnFile, leaf, fi);
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430 | }
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431 |
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432 | // parse obj
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433 | if (!result)
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434 | {
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435 | cout << "no binary dump available or loading full meshes, parsing file" << endl;
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436 | parser = new ObjParser;
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437 |
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438 | result = parser->ParseFile(filename, leaf, mLoadMeshes, fi);
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439 |
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440 | cout << "loaded " << (int)leaf->mGeometry.size() << " entities" << endl;
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441 |
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442 | // only works for triangles
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443 | if (result && !mLoadMeshes)
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444 | {
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445 | cout << "exporting binary obj to " << bnFile << "... " << endl;
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446 |
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447 | ExportBinaryObj(bnFile, leaf);
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448 |
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449 | cout << "finished" << endl;
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450 | }
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451 |
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452 | delete parser;
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453 | }
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454 | }
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455 | else
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456 | {
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457 | parser = new UnigraphicsParser;
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458 | result = parser->ParseFile(filename, leaf, mLoadMeshes, fi);
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459 | delete parser;
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460 | }
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461 |
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462 | if (result)
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463 | {
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464 | mSceneGraph->GetRoot()->mChildren.push_back(leaf);
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465 | }
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466 |
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467 | cout << filename << endl;
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468 | }
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469 | else
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470 | {
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471 | vector<string>::const_iterator fit, fit_end = filenames.end();
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472 |
|
---|
473 | for (fit = filenames.begin(); fit != fit_end; ++ fit)
|
---|
474 | {
|
---|
475 | const string filename = *fit;
|
---|
476 |
|
---|
477 | cout << "parsing file " << filename.c_str() << endl;
|
---|
478 | if (strstr(filename.c_str(), ".x3d"))
|
---|
479 | parser = new X3dParser;
|
---|
480 | else
|
---|
481 | parser = new UnigraphicsParser;
|
---|
482 |
|
---|
483 | SceneGraphLeaf *node = new SceneGraphLeaf();
|
---|
484 |
|
---|
485 | const bool success =
|
---|
486 | parser->ParseFile(filename, node, mLoadMeshes, fi);
|
---|
487 |
|
---|
488 | if (success)
|
---|
489 | {
|
---|
490 | mSceneGraph->GetRoot()->mChildren.push_back(node);
|
---|
491 | result = true; // at least one file parsed
|
---|
492 | }
|
---|
493 |
|
---|
494 | // temporare hack
|
---|
495 | //if (!strstr(filename.c_str(), "plane")) mSceneGraph->GetRoot()->UpdateBox();
|
---|
496 |
|
---|
497 | delete parser;
|
---|
498 | }
|
---|
499 | }
|
---|
500 |
|
---|
501 | if (result)
|
---|
502 | {
|
---|
503 | int intersectables, faces;
|
---|
504 | mSceneGraph->GetStatistics(intersectables, faces);
|
---|
505 |
|
---|
506 | cout<<filename<<" parsed successfully."<<endl;
|
---|
507 | cout<<"#NUM_OBJECTS (Total numner of objects)\n"<<intersectables<<endl;
|
---|
508 | cout<<"#NUM_FACES (Total numner of faces)\n"<<faces<<endl;
|
---|
509 |
|
---|
510 | mObjects.reserve(intersectables);
|
---|
511 | mSceneGraph->CollectObjects(mObjects);
|
---|
512 |
|
---|
513 | mSceneGraph->AssignObjectIds();
|
---|
514 |
|
---|
515 | mSceneGraph->GetRoot()->UpdateBox();
|
---|
516 |
|
---|
517 | cout << "finished loading" << endl;
|
---|
518 | }
|
---|
519 |
|
---|
520 | return result;
|
---|
521 | }
|
---|
522 |
|
---|
523 | bool
|
---|
524 | Preprocessor::ExportPreprocessedData(const string &filename)
|
---|
525 | {
|
---|
526 | mViewCellsManager->ExportViewCells(filename, true, mObjects);
|
---|
527 | return true;
|
---|
528 | }
|
---|
529 |
|
---|
530 |
|
---|
531 | bool
|
---|
532 | Preprocessor::PostProcessVisibility()
|
---|
533 | {
|
---|
534 |
|
---|
535 | if (mApplyVisibilityFilter || mApplyVisibilitySpatialFilter) {
|
---|
536 | cout<<"Applying visibility filter ...";
|
---|
537 | cout<<"filter width = " << mVisibilityFilterWidth << endl;
|
---|
538 |
|
---|
539 | if (!mViewCellsManager)
|
---|
540 | return false;
|
---|
541 |
|
---|
542 |
|
---|
543 | mViewCellsManager->ApplyFilter(mKdTree,
|
---|
544 | mApplyVisibilityFilter ?
|
---|
545 | mVisibilityFilterWidth : -1.0f,
|
---|
546 | mApplyVisibilitySpatialFilter ?
|
---|
547 | mVisibilityFilterWidth : -1.0f);
|
---|
548 | cout << "done." << endl;
|
---|
549 | }
|
---|
550 |
|
---|
551 | // export the preprocessed information to a file
|
---|
552 | if (1 && mExportVisibility)
|
---|
553 | {
|
---|
554 | ExportPreprocessedData(mVisibilityFileName);
|
---|
555 | }
|
---|
556 |
|
---|
557 | return true;
|
---|
558 | }
|
---|
559 |
|
---|
560 |
|
---|
561 | bool
|
---|
562 | Preprocessor::BuildKdTree()
|
---|
563 | {
|
---|
564 | mKdTree = new KdTree;
|
---|
565 |
|
---|
566 | // add mesh instances of the scene graph to the root of the tree
|
---|
567 | KdLeaf *root = (KdLeaf *)mKdTree->GetRoot();
|
---|
568 |
|
---|
569 | mSceneGraph->CollectObjects(root->mObjects);
|
---|
570 |
|
---|
571 | const long startTime = GetTime();
|
---|
572 | cout << "building kd tree ... " << endl;
|
---|
573 |
|
---|
574 | mKdTree->Construct();
|
---|
575 | sceneBox = mKdTree->GetBox();
|
---|
576 |
|
---|
577 | cout << "finished kd tree construction in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
578 | << " secs " << endl;
|
---|
579 |
|
---|
580 | return true;
|
---|
581 | }
|
---|
582 |
|
---|
583 |
|
---|
584 | void
|
---|
585 | Preprocessor::KdTreeStatistics(ostream &s)
|
---|
586 | {
|
---|
587 | s<<mKdTree->GetStatistics();
|
---|
588 | }
|
---|
589 |
|
---|
590 | void
|
---|
591 | Preprocessor::BspTreeStatistics(ostream &s)
|
---|
592 | {
|
---|
593 | s << mBspTree->GetStatistics();
|
---|
594 | }
|
---|
595 |
|
---|
596 | bool
|
---|
597 | Preprocessor::Export( const string &filename,
|
---|
598 | const bool scene,
|
---|
599 | const bool kdtree
|
---|
600 | )
|
---|
601 | {
|
---|
602 | Exporter *exporter = Exporter::GetExporter(filename);
|
---|
603 |
|
---|
604 | if (exporter) {
|
---|
605 | if (2 && scene)
|
---|
606 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
607 |
|
---|
608 | if (1 && kdtree) {
|
---|
609 | exporter->SetWireframe();
|
---|
610 | exporter->ExportKdTree(*mKdTree);
|
---|
611 | }
|
---|
612 |
|
---|
613 | delete exporter;
|
---|
614 | return true;
|
---|
615 | }
|
---|
616 |
|
---|
617 | return false;
|
---|
618 | }
|
---|
619 |
|
---|
620 |
|
---|
621 | bool Preprocessor::PrepareViewCells()
|
---|
622 | {
|
---|
623 | // load the view cells assigning the found objects to the pvss
|
---|
624 | #if 0
|
---|
625 | cerr << "loading binary view cells" << endl;
|
---|
626 | ViewCellsManager *dummyViewCellsManager =
|
---|
627 | LoadViewCellsBinary("test.vc", mObjects, false, NULL);
|
---|
628 |
|
---|
629 | //cerr << "reexporting the binary view cells" << endl;
|
---|
630 | //dummyViewCellsManager->ExportViewCellsBinary("outvc.xml.gz", true, mObjects);
|
---|
631 |
|
---|
632 | return false;
|
---|
633 | #endif
|
---|
634 |
|
---|
635 | ///////
|
---|
636 | //-- parse view cells construction method
|
---|
637 |
|
---|
638 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", mLoadViewCells);
|
---|
639 | char buf[100];
|
---|
640 |
|
---|
641 | if (mLoadViewCells)
|
---|
642 | {
|
---|
643 |
|
---|
644 | #ifdef USE_BIT_PVS
|
---|
645 | // HACK: for kd pvs, set pvs size to maximal number of kd nodes
|
---|
646 | vector<KdLeaf *> leaves;
|
---|
647 | preprocessor->mKdTree->CollectLeaves(leaves);
|
---|
648 |
|
---|
649 | ObjectPvs::SetPvsSize((int)leaves.size());
|
---|
650 | #endif
|
---|
651 |
|
---|
652 | Environment::GetSingleton()->GetStringValue("ViewCells.filename", buf);
|
---|
653 | cout << "loading objects from " << buf << endl;
|
---|
654 |
|
---|
655 | // load scene objects used as pvs entries
|
---|
656 | ObjectContainer pvsObjects;
|
---|
657 | if (0) LoadObjects(buf, pvsObjects, mObjects);
|
---|
658 |
|
---|
659 | const bool finalizeViewCells = true;
|
---|
660 | cout << "loading view cells from " << buf << endl;
|
---|
661 |
|
---|
662 | mViewCellsManager = ViewCellsManager::LoadViewCells(buf,
|
---|
663 | pvsObjects,
|
---|
664 | mObjects,
|
---|
665 | finalizeViewCells,
|
---|
666 | NULL);
|
---|
667 |
|
---|
668 | cout << "view cells loaded." << endl<<flush;
|
---|
669 |
|
---|
670 | if (!mViewCellsManager)
|
---|
671 | {
|
---|
672 | cerr << "no view cells manager could be loaded" << endl;
|
---|
673 | return false;
|
---|
674 | }
|
---|
675 | }
|
---|
676 | else
|
---|
677 | {
|
---|
678 | // parse type of view cells manager
|
---|
679 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
680 | mViewCellsManager = CreateViewCellsManager(buf);
|
---|
681 |
|
---|
682 | // default view space is the extent of the scene
|
---|
683 | AxisAlignedBox3 viewSpaceBox;
|
---|
684 |
|
---|
685 | if (mUseViewSpaceBox)
|
---|
686 | {
|
---|
687 | viewSpaceBox = mSceneGraph->GetBox();
|
---|
688 |
|
---|
689 | // use a small box outside of the scene
|
---|
690 | viewSpaceBox.Scale(Vector3(0.15f, 0.3f, 0.5f));
|
---|
691 | //viewSpaceBox.Translate(Vector3(Magnitude(mSceneGraph->GetBox().Size()) * 0.5f, 0, 0));
|
---|
692 | viewSpaceBox.Translate(Vector3(Magnitude(mSceneGraph->GetBox().Size()) * 0.3f, 0, 0));
|
---|
693 | mViewCellsManager->SetViewSpaceBox(viewSpaceBox);
|
---|
694 | }
|
---|
695 | else
|
---|
696 | {
|
---|
697 | viewSpaceBox = mSceneGraph->GetBox();
|
---|
698 | mViewCellsManager->SetViewSpaceBox(viewSpaceBox);
|
---|
699 | }
|
---|
700 |
|
---|
701 | bool loadVcGeometry;
|
---|
702 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadGeometry", loadVcGeometry);
|
---|
703 |
|
---|
704 | bool extrudeBaseTriangles;
|
---|
705 | Environment::GetSingleton()->GetBoolValue("ViewCells.useBaseTrianglesAsGeometry", extrudeBaseTriangles);
|
---|
706 |
|
---|
707 | char vcGeomFilename[100];
|
---|
708 | Environment::GetSingleton()->GetStringValue("ViewCells.geometryFilename", vcGeomFilename);
|
---|
709 |
|
---|
710 | // create view cells from specified geometry
|
---|
711 | if (loadVcGeometry)
|
---|
712 | {
|
---|
713 | if (mViewCellsManager->GetType() == ViewCellsManager::BSP)
|
---|
714 | {
|
---|
715 | if (!mViewCellsManager->LoadViewCellsGeometry(vcGeomFilename, extrudeBaseTriangles))
|
---|
716 | cerr << "loading view cells geometry failed" << endl;
|
---|
717 | }
|
---|
718 | else
|
---|
719 | {
|
---|
720 | cerr << "loading view cells geometry is not implemented for this manager" << endl;
|
---|
721 | }
|
---|
722 | }
|
---|
723 | }
|
---|
724 |
|
---|
725 | ////////
|
---|
726 | //-- evaluation of render cost heuristics
|
---|
727 |
|
---|
728 | float objRenderCost = 0, vcOverhead = 0, moveSpeed = 0;
|
---|
729 |
|
---|
730 | Environment::GetSingleton()->GetFloatValue("Simulation.objRenderCost",objRenderCost);
|
---|
731 | Environment::GetSingleton()->GetFloatValue("Simulation.vcOverhead", vcOverhead);
|
---|
732 | Environment::GetSingleton()->GetFloatValue("Simulation.moveSpeed", moveSpeed);
|
---|
733 |
|
---|
734 | mRenderSimulator =
|
---|
735 | new RenderSimulator(mViewCellsManager, objRenderCost, vcOverhead, moveSpeed);
|
---|
736 |
|
---|
737 | mViewCellsManager->SetRenderer(mRenderSimulator);
|
---|
738 |
|
---|
739 | mViewCellsManager->SetPreprocessor(this);
|
---|
740 |
|
---|
741 | return true;
|
---|
742 | }
|
---|
743 |
|
---|
744 |
|
---|
745 | bool Preprocessor::ConstructViewCells()
|
---|
746 | {
|
---|
747 | // construct view cells using it's own set of samples
|
---|
748 | mViewCellsManager->Construct(this);
|
---|
749 |
|
---|
750 | // visualizations and statistics
|
---|
751 | Debug << "finished view cells:" << endl;
|
---|
752 | mViewCellsManager->PrintStatistics(Debug);
|
---|
753 |
|
---|
754 | return true;
|
---|
755 | }
|
---|
756 |
|
---|
757 |
|
---|
758 | ViewCellsManager *Preprocessor::CreateViewCellsManager(const char *name)
|
---|
759 | {
|
---|
760 | ViewCellsTree *vcTree = new ViewCellsTree;
|
---|
761 |
|
---|
762 | if (strcmp(name, "kdTree") == 0)
|
---|
763 | {
|
---|
764 | mViewCellsManager = new KdViewCellsManager(vcTree, mKdTree);
|
---|
765 | }
|
---|
766 | else if (strcmp(name, "bspTree") == 0)
|
---|
767 | {
|
---|
768 | Debug << "view cell type: Bsp" << endl;
|
---|
769 |
|
---|
770 | mBspTree = new BspTree();
|
---|
771 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
772 | }
|
---|
773 | else if (strcmp(name, "vspBspTree") == 0)
|
---|
774 | {
|
---|
775 | Debug << "view cell type: VspBsp" << endl;
|
---|
776 |
|
---|
777 | mVspBspTree = new VspBspTree();
|
---|
778 | mViewCellsManager = new VspBspViewCellsManager(vcTree, mVspBspTree);
|
---|
779 | }
|
---|
780 | else if (strcmp(name, "vspOspTree") == 0)
|
---|
781 | {
|
---|
782 | Debug << "view cell type: VspOsp" << endl;
|
---|
783 | char buf[100];
|
---|
784 | Environment::GetSingleton()->GetStringValue("Hierarchy.type", buf);
|
---|
785 |
|
---|
786 | mViewCellsManager = new VspOspViewCellsManager(vcTree, buf);
|
---|
787 | }
|
---|
788 | else if (strcmp(name, "sceneDependent") == 0) //TODO
|
---|
789 | {
|
---|
790 | Debug << "view cell type: Bsp" << endl;
|
---|
791 |
|
---|
792 | mBspTree = new BspTree();
|
---|
793 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
794 | }
|
---|
795 | else
|
---|
796 | {
|
---|
797 | cerr << "Wrong view cells type " << name << "!!!" << endl;
|
---|
798 | exit(1);
|
---|
799 | }
|
---|
800 |
|
---|
801 | return mViewCellsManager;
|
---|
802 | }
|
---|
803 |
|
---|
804 |
|
---|
805 | // use ascii format to store rays
|
---|
806 | #define USE_ASCII 0
|
---|
807 |
|
---|
808 |
|
---|
809 | bool Preprocessor::LoadKdTree(const string &filename)
|
---|
810 | {
|
---|
811 | mKdTree = new KdTree();
|
---|
812 | return mKdTree->ImportBinTree(filename.c_str(), mObjects);
|
---|
813 | }
|
---|
814 |
|
---|
815 |
|
---|
816 | bool Preprocessor::ExportKdTree(const string &filename)
|
---|
817 | {
|
---|
818 | return mKdTree->ExportBinTree(filename.c_str());
|
---|
819 | }
|
---|
820 |
|
---|
821 |
|
---|
822 | bool Preprocessor::LoadSamples(VssRayContainer &samples,
|
---|
823 | ObjectContainer &objects) const
|
---|
824 | {
|
---|
825 | std::stable_sort(objects.begin(), objects.end(), ilt);
|
---|
826 | char fileName[100];
|
---|
827 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
828 |
|
---|
829 | Vector3 origin, termination;
|
---|
830 | // HACK: needed only for lower_bound algorithm to find the
|
---|
831 | // intersected objects
|
---|
832 | MeshInstance sObj(NULL);
|
---|
833 | MeshInstance tObj(NULL);
|
---|
834 |
|
---|
835 | #if USE_ASCII
|
---|
836 | ifstream inStream(fileName);
|
---|
837 | if (!inStream.is_open())
|
---|
838 | return false;
|
---|
839 |
|
---|
840 | string buf;
|
---|
841 | while (!(getline(inStream, buf)).eof())
|
---|
842 | {
|
---|
843 | sscanf(buf.c_str(), "%f %f %f %f %f %f %d %d",
|
---|
844 | &origin.x, &origin.y, &origin.z,
|
---|
845 | &termination.x, &termination.y, &termination.z,
|
---|
846 | &(sObj.mId), &(tObj.mId));
|
---|
847 |
|
---|
848 | Intersectable *sourceObj = NULL;
|
---|
849 | Intersectable *termObj = NULL;
|
---|
850 |
|
---|
851 | if (sObj.mId >= 0)
|
---|
852 | {
|
---|
853 | ObjectContainer::iterator oit =
|
---|
854 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
855 | sourceObj = *oit;
|
---|
856 | }
|
---|
857 |
|
---|
858 | if (tObj.mId >= 0)
|
---|
859 | {
|
---|
860 | ObjectContainer::iterator oit =
|
---|
861 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
862 | termObj = *oit;
|
---|
863 | }
|
---|
864 |
|
---|
865 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
866 | }
|
---|
867 | #else
|
---|
868 | ifstream inStream(fileName, ios::binary);
|
---|
869 | if (!inStream.is_open())
|
---|
870 | return false;
|
---|
871 |
|
---|
872 | while (1)
|
---|
873 | {
|
---|
874 | inStream.read(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
875 | inStream.read(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
876 | inStream.read(reinterpret_cast<char *>(&(sObj.mId)), sizeof(int));
|
---|
877 | inStream.read(reinterpret_cast<char *>(&(tObj.mId)), sizeof(int));
|
---|
878 |
|
---|
879 | if (inStream.eof())
|
---|
880 | break;
|
---|
881 |
|
---|
882 | Intersectable *sourceObj = NULL;
|
---|
883 | Intersectable *termObj = NULL;
|
---|
884 |
|
---|
885 | if (sObj.mId >= 0)
|
---|
886 | {
|
---|
887 | ObjectContainer::iterator oit =
|
---|
888 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
889 | sourceObj = *oit;
|
---|
890 | }
|
---|
891 |
|
---|
892 | if (tObj.mId >= 0)
|
---|
893 | {
|
---|
894 | ObjectContainer::iterator oit =
|
---|
895 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
896 | termObj = *oit;
|
---|
897 | }
|
---|
898 |
|
---|
899 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
900 | }
|
---|
901 | #endif
|
---|
902 |
|
---|
903 | inStream.close();
|
---|
904 |
|
---|
905 | return true;
|
---|
906 | }
|
---|
907 |
|
---|
908 |
|
---|
909 | bool Preprocessor::ExportSamples(const VssRayContainer &samples) const
|
---|
910 | {
|
---|
911 | char fileName[100];
|
---|
912 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
913 |
|
---|
914 |
|
---|
915 | VssRayContainer::const_iterator it, it_end = samples.end();
|
---|
916 |
|
---|
917 | #if USE_ASCII
|
---|
918 | ofstream samplesOut(fileName);
|
---|
919 | if (!samplesOut.is_open())
|
---|
920 | return false;
|
---|
921 |
|
---|
922 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
923 | {
|
---|
924 | VssRay *ray = *it;
|
---|
925 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
926 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
927 |
|
---|
928 | samplesOut << ray->GetOrigin().x << " " << ray->GetOrigin().y << " " << ray->GetOrigin().z << " "
|
---|
929 | << ray->GetTermination().x << " " << ray->GetTermination().y << " " << ray->GetTermination().z << " "
|
---|
930 | << sourceid << " " << termid << "\n";
|
---|
931 | }
|
---|
932 | #else
|
---|
933 | ofstream samplesOut(fileName, ios::binary);
|
---|
934 | if (!samplesOut.is_open())
|
---|
935 | return false;
|
---|
936 |
|
---|
937 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
938 | {
|
---|
939 | VssRay *ray = *it;
|
---|
940 | Vector3 origin(ray->GetOrigin());
|
---|
941 | Vector3 termination(ray->GetTermination());
|
---|
942 |
|
---|
943 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
944 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
945 |
|
---|
946 | samplesOut.write(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
947 | samplesOut.write(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
948 | samplesOut.write(reinterpret_cast<char *>(&sourceid), sizeof(int));
|
---|
949 | samplesOut.write(reinterpret_cast<char *>(&termid), sizeof(int));
|
---|
950 | }
|
---|
951 | #endif
|
---|
952 | samplesOut.close();
|
---|
953 |
|
---|
954 | return true;
|
---|
955 | }
|
---|
956 |
|
---|
957 |
|
---|
958 | int
|
---|
959 | Preprocessor::GenerateRays(const int number,
|
---|
960 | SamplingStrategy &strategy,
|
---|
961 | SimpleRayContainer &rays)
|
---|
962 | {
|
---|
963 | return strategy.GenerateSamples(number, rays);
|
---|
964 | }
|
---|
965 |
|
---|
966 |
|
---|
967 | int
|
---|
968 | Preprocessor::GenerateRays(const int number,
|
---|
969 | const int sampleType,
|
---|
970 | SimpleRayContainer &rays)
|
---|
971 | {
|
---|
972 | const int startSize = (int)rays.size();
|
---|
973 | SamplingStrategy *strategy = GenerateSamplingStrategy(sampleType);
|
---|
974 | int castRays = 0;
|
---|
975 |
|
---|
976 | if (!strategy)
|
---|
977 | {
|
---|
978 | return 0;
|
---|
979 | }
|
---|
980 |
|
---|
981 | #if 1
|
---|
982 | castRays = strategy->GenerateSamples(number, rays);
|
---|
983 | #else
|
---|
984 | GenerateRayBundle(rays, newRay, 16, 0);
|
---|
985 | castRays += 16;
|
---|
986 | #endif
|
---|
987 |
|
---|
988 | delete strategy;
|
---|
989 | return castRays;
|
---|
990 | }
|
---|
991 |
|
---|
992 |
|
---|
993 | SamplingStrategy *Preprocessor::GenerateSamplingStrategy(const int strategyId)
|
---|
994 | {
|
---|
995 | switch (strategyId)
|
---|
996 | {
|
---|
997 | case SamplingStrategy::OBJECT_BASED_DISTRIBUTION:
|
---|
998 | return new ObjectBasedDistribution(*this);
|
---|
999 | case SamplingStrategy::OBJECT_DIRECTION_BASED_DISTRIBUTION:
|
---|
1000 | return new ObjectDirectionBasedDistribution(*this);
|
---|
1001 | case SamplingStrategy::DIRECTION_BASED_DISTRIBUTION:
|
---|
1002 | return new DirectionBasedDistribution(*this);
|
---|
1003 | case SamplingStrategy::DIRECTION_BOX_BASED_DISTRIBUTION:
|
---|
1004 | return new DirectionBoxBasedDistribution(*this);
|
---|
1005 | case SamplingStrategy::SPATIAL_BOX_BASED_DISTRIBUTION:
|
---|
1006 | return new SpatialBoxBasedDistribution(*this);
|
---|
1007 | case SamplingStrategy::REVERSE_OBJECT_BASED_DISTRIBUTION:
|
---|
1008 | return new ReverseObjectBasedDistribution(*this);
|
---|
1009 | case SamplingStrategy::VIEWCELL_BORDER_BASED_DISTRIBUTION:
|
---|
1010 | return new ViewCellBorderBasedDistribution(*this);
|
---|
1011 | case SamplingStrategy::VIEWSPACE_BORDER_BASED_DISTRIBUTION:
|
---|
1012 | return new ViewSpaceBorderBasedDistribution(*this);
|
---|
1013 | case SamplingStrategy::REVERSE_VIEWSPACE_BORDER_BASED_DISTRIBUTION:
|
---|
1014 | return new ReverseViewSpaceBorderBasedDistribution(*this);
|
---|
1015 | case SamplingStrategy::GLOBAL_LINES_DISTRIBUTION:
|
---|
1016 | return new GlobalLinesDistribution(*this);
|
---|
1017 |
|
---|
1018 | //case OBJECTS_INTERIOR_DISTRIBUTION:
|
---|
1019 | // return new ObjectsInteriorDistribution(*this);
|
---|
1020 | default: // no valid strategy
|
---|
1021 | Debug << "warning: no valid sampling strategy" << endl;
|
---|
1022 | return NULL;
|
---|
1023 | }
|
---|
1024 |
|
---|
1025 | return NULL; // should never come here
|
---|
1026 | }
|
---|
1027 |
|
---|
1028 |
|
---|
1029 | bool Preprocessor::LoadInternKdTree(const string &internKdTree)
|
---|
1030 | {
|
---|
1031 | bool mUseKdTree = true;
|
---|
1032 |
|
---|
1033 |
|
---|
1034 | int rayCastMethod;
|
---|
1035 | Environment::GetSingleton()->
|
---|
1036 | GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
|
---|
1037 |
|
---|
1038 | if (rayCastMethod == 2) {
|
---|
1039 | //HavranRayCaster *hr =
|
---|
1040 | // dynamic_cast<HavranRayCaster*>(mRayCaster);
|
---|
1041 | HavranRayCaster *hr =
|
---|
1042 | reinterpret_cast<HavranRayCaster*>(mRayCaster);
|
---|
1043 | hr->Build(this->mObjects);
|
---|
1044 | // $$ do not exit here, so that the "internal" kD-tree used
|
---|
1045 | // other puroposes can be loaded
|
---|
1046 | // return true;
|
---|
1047 | }
|
---|
1048 |
|
---|
1049 |
|
---|
1050 | if (!mUseKdTree) {
|
---|
1051 | // create just a dummy KdTree
|
---|
1052 | mKdTree = new KdTree;
|
---|
1053 | return true;
|
---|
1054 | }
|
---|
1055 |
|
---|
1056 |
|
---|
1057 |
|
---|
1058 | // always try to load the kd tree
|
---|
1059 | cout << "loading kd tree file " << internKdTree << " ... " << endl;
|
---|
1060 |
|
---|
1061 | if (!LoadKdTree(internKdTree)) {
|
---|
1062 | cout << "error loading kd tree with filename "
|
---|
1063 | << internKdTree << ", rebuilding it instead ... " << endl;
|
---|
1064 | // build new kd tree from scene geometry
|
---|
1065 | BuildKdTree();
|
---|
1066 |
|
---|
1067 | // export kd tree?
|
---|
1068 | const long startTime = GetTime();
|
---|
1069 | cout << "exporting kd tree ... ";
|
---|
1070 |
|
---|
1071 | if (!ExportKdTree(internKdTree))
|
---|
1072 | {
|
---|
1073 | cout << " error exporting kd tree with filename "
|
---|
1074 | << internKdTree << endl;
|
---|
1075 | }
|
---|
1076 | else
|
---|
1077 | {
|
---|
1078 | cout << "finished in "
|
---|
1079 | << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
1080 | << " secs" << endl;
|
---|
1081 | }
|
---|
1082 | }
|
---|
1083 |
|
---|
1084 | KdTreeStatistics(cout);
|
---|
1085 | sceneBox = mKdTree->GetBox();
|
---|
1086 |
|
---|
1087 | cout << mKdTree->GetBox() << endl;
|
---|
1088 |
|
---|
1089 | return true;
|
---|
1090 | }
|
---|
1091 |
|
---|
1092 |
|
---|
1093 | bool Preprocessor::InitRayCast(const string &externKdTree,
|
---|
1094 | const string &internKdTree)
|
---|
1095 | {
|
---|
1096 | int rayCastMethod;
|
---|
1097 | Environment::GetSingleton()->
|
---|
1098 | GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
|
---|
1099 |
|
---|
1100 | if (rayCastMethod == 0)
|
---|
1101 | {
|
---|
1102 | cout << "ray cast method: internal" << endl;
|
---|
1103 | mRayCaster = new InternalRayCaster(*this);
|
---|
1104 | }
|
---|
1105 | if (rayCastMethod == 1)
|
---|
1106 | {
|
---|
1107 | #ifdef GTP_INTERNAL
|
---|
1108 | cout << "ray cast method: intel" << endl;
|
---|
1109 | mRayCaster = new IntelRayCaster(*this, externKdTree);
|
---|
1110 | #endif
|
---|
1111 | }
|
---|
1112 | if (rayCastMethod == 2)
|
---|
1113 | {
|
---|
1114 | cout << "ray cast method: havran" << endl <<flush;
|
---|
1115 | mRayCaster = new HavranRayCaster(*this);
|
---|
1116 | }
|
---|
1117 |
|
---|
1118 | /////////////////
|
---|
1119 | //-- reserve constant block of rays
|
---|
1120 |
|
---|
1121 | // hack: If we dont't use view cells loading, there must be at least as much rays
|
---|
1122 | // as are needed for the view cells construction
|
---|
1123 | bool loadViewCells;
|
---|
1124 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", loadViewCells);
|
---|
1125 |
|
---|
1126 | int reserveRays;
|
---|
1127 | int constructionSamples;
|
---|
1128 |
|
---|
1129 | if (!loadViewCells)
|
---|
1130 | {
|
---|
1131 | cout << "hack: setting ray pool size to view cell construction or evaluation size" << endl;
|
---|
1132 |
|
---|
1133 | constructionSamples = 1000000;
|
---|
1134 |
|
---|
1135 | char buf[100];
|
---|
1136 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
1137 |
|
---|
1138 | if (strcmp(buf, "vspBspTree") == 0)
|
---|
1139 | {
|
---|
1140 | Environment::GetSingleton()->GetIntValue("VspBspTree.Construction.samples", constructionSamples);
|
---|
1141 |
|
---|
1142 | }
|
---|
1143 | else if (strcmp(buf, "vspOspTree") == 0)
|
---|
1144 | {
|
---|
1145 | Environment::GetSingleton()->GetIntValue("Hierarchy.Construction.samples", constructionSamples);
|
---|
1146 | }
|
---|
1147 |
|
---|
1148 | int evalSamplesPerPass;
|
---|
1149 |
|
---|
1150 | Environment::GetSingleton()->GetIntValue("ViewCells.Evaluation.samplesPerPass", evalSamplesPerPass);
|
---|
1151 |
|
---|
1152 | reserveRays = max(constructionSamples, evalSamplesPerPass);
|
---|
1153 | reserveRays *= 2;
|
---|
1154 | }
|
---|
1155 | else
|
---|
1156 | {
|
---|
1157 | cout << "setting ray pool size to samples per pass" << endl;
|
---|
1158 | reserveRays = mSamplesPerPass * 2;
|
---|
1159 | }
|
---|
1160 |
|
---|
1161 | cout << "======================" << endl;
|
---|
1162 | cout << "reserving " << reserveRays << " rays " << endl;
|
---|
1163 | mRayCaster->ReserveVssRayPool(reserveRays);
|
---|
1164 | cout<<"done."<<endl<<flush;
|
---|
1165 | return true;
|
---|
1166 | }
|
---|
1167 |
|
---|
1168 |
|
---|
1169 | void
|
---|
1170 | Preprocessor::CastRays(
|
---|
1171 | SimpleRayContainer &rays,
|
---|
1172 | VssRayContainer &vssRays,
|
---|
1173 | const bool castDoubleRays,
|
---|
1174 | const bool pruneInvalidRays
|
---|
1175 | )
|
---|
1176 | {
|
---|
1177 | const long t1 = GetTime();
|
---|
1178 |
|
---|
1179 | // !!!!!!!!!!!!!!!! VH no sorting
|
---|
1180 | if (
|
---|
1181 | rays.size() > 10000
|
---|
1182 | )
|
---|
1183 | {
|
---|
1184 | mRayCaster->SortRays(rays);
|
---|
1185 | cout<<"Rays sorted in "<<TimeDiff(t1, GetTime())<<" ms."<<endl;
|
---|
1186 | }
|
---|
1187 |
|
---|
1188 |
|
---|
1189 | if (mUseHwGlobalLines)
|
---|
1190 | {
|
---|
1191 | CastRaysWithHwGlobalLines(
|
---|
1192 | rays,
|
---|
1193 | vssRays,
|
---|
1194 | castDoubleRays,
|
---|
1195 | pruneInvalidRays
|
---|
1196 | );
|
---|
1197 | }
|
---|
1198 | else
|
---|
1199 | {
|
---|
1200 | mRayCaster->CastRays(
|
---|
1201 | rays,
|
---|
1202 | vssRays,
|
---|
1203 | mViewCellsManager->GetViewSpaceBox(),
|
---|
1204 | castDoubleRays,
|
---|
1205 | pruneInvalidRays);
|
---|
1206 |
|
---|
1207 | #if DYNAMIC_OBJECTS_HACK
|
---|
1208 |
|
---|
1209 | static Ray hRay;
|
---|
1210 |
|
---|
1211 | VssRayContainer::iterator vit, vit_end = vssRays.end();
|
---|
1212 |
|
---|
1213 | for (vit = vssRays.begin(); vit != vit_end; ++ vit)
|
---|
1214 | {
|
---|
1215 | VssRay *vssRay = *vit;
|
---|
1216 | hRay.Init(*vssRay);
|
---|
1217 |
|
---|
1218 | DynamicObjectsContainer::const_iterator tit, tit_end = mDynamicObjects.end();
|
---|
1219 |
|
---|
1220 | bool foundIntersect = false;
|
---|
1221 | for (tit = mDynamicObjects.begin(); tit != tit_end; ++ tit)
|
---|
1222 | {
|
---|
1223 | TransformedMeshInstance *tmi = *tit;
|
---|
1224 | if (tmi->CastRay(hRay)) //cout << "z"; else cout<< "r";
|
---|
1225 | {
|
---|
1226 | cout << "i: " << Intersectable::GetTypeName(hRay.intersections[0].mObject);
|
---|
1227 | foundIntersect = true;
|
---|
1228 | }
|
---|
1229 | }
|
---|
1230 |
|
---|
1231 | if (foundIntersect)
|
---|
1232 | cout << "x: " << Intersectable::GetTypeName(hRay.intersections[0].mObject);
|
---|
1233 |
|
---|
1234 | if (foundIntersect)
|
---|
1235 | // write new results back into vssRay
|
---|
1236 | vssRay->Init(hRay);
|
---|
1237 |
|
---|
1238 | if (foundIntersect)
|
---|
1239 | cout << "y : " << Intersectable::GetTypeName(vssRay->mTerminationObject);
|
---|
1240 |
|
---|
1241 | hRay.intersections.clear();
|
---|
1242 | }
|
---|
1243 | #endif
|
---|
1244 | }
|
---|
1245 |
|
---|
1246 |
|
---|
1247 | if (rays.size() > 10000)
|
---|
1248 | {
|
---|
1249 | cout << endl;
|
---|
1250 | long t2 = GetTime();
|
---|
1251 |
|
---|
1252 | #if SHOW_RAYCAST_TIMING
|
---|
1253 | if (castDoubleRays)
|
---|
1254 | cout << 2 * rays.size() / (1e3f * TimeDiff(t1, t2)) << "M rays/s" << endl;
|
---|
1255 | else
|
---|
1256 | cout << rays.size() / (1e3f * TimeDiff(t1, t2)) << "M rays/s" << endl;
|
---|
1257 | #endif
|
---|
1258 |
|
---|
1259 | }
|
---|
1260 |
|
---|
1261 | // cerr<<"Determining PVS objects"<<endl;
|
---|
1262 | DeterminePvsObjects(vssRays);
|
---|
1263 | // cerr<<"done."<<endl;
|
---|
1264 |
|
---|
1265 | }
|
---|
1266 |
|
---|
1267 |
|
---|
1268 | void
|
---|
1269 | Preprocessor::CastRaysWithHwGlobalLines(
|
---|
1270 | SimpleRayContainer &rays,
|
---|
1271 | VssRayContainer &vssRays,
|
---|
1272 | const bool castDoubleRays,
|
---|
1273 | const bool pruneInvalidRays)
|
---|
1274 | {
|
---|
1275 | SimpleRayContainer::const_iterator rit, rit_end = rays.end();
|
---|
1276 | SimpleRayContainer rayBucket;
|
---|
1277 | int i = 0;
|
---|
1278 | for (rit = rays.begin(); rit != rit_end; ++ rit, ++ i)
|
---|
1279 | {
|
---|
1280 | SimpleRay ray = *rit;
|
---|
1281 | #ifdef USE_CG
|
---|
1282 | // HACK: global lines must be treated special
|
---|
1283 | if (ray.mDistribution == SamplingStrategy::HW_GLOBAL_LINES_DISTRIBUTION)
|
---|
1284 | {
|
---|
1285 | mGlobalLinesRenderer->CastGlobalLines(ray, vssRays);
|
---|
1286 | continue;
|
---|
1287 | }
|
---|
1288 | #endif
|
---|
1289 | rayBucket.push_back(ray);
|
---|
1290 |
|
---|
1291 | // 16 rays gathered => do ray casting
|
---|
1292 | if (rayBucket.size() >= 16)
|
---|
1293 | {
|
---|
1294 | mRayCaster->CastRays16(
|
---|
1295 | rayBucket,
|
---|
1296 | vssRays,
|
---|
1297 | mViewCellsManager->GetViewSpaceBox(),
|
---|
1298 | castDoubleRays,
|
---|
1299 | pruneInvalidRays);
|
---|
1300 |
|
---|
1301 | rayBucket.clear();
|
---|
1302 | }
|
---|
1303 |
|
---|
1304 | if (rays.size() > 100000 && i % 100000 == 0)
|
---|
1305 | cout<<"\r"<<i<<"/"<<(int)rays.size()<<"\r";
|
---|
1306 | }
|
---|
1307 |
|
---|
1308 | // cast rest of rays
|
---|
1309 | SimpleRayContainer::const_iterator sit, sit_end = rayBucket.end();
|
---|
1310 |
|
---|
1311 | for (sit = rayBucket.begin(); sit != sit_end; ++ sit)
|
---|
1312 | {
|
---|
1313 | SimpleRay ray = *sit;
|
---|
1314 |
|
---|
1315 | #ifdef USE_CG
|
---|
1316 | // HACK: global lines must be treated special
|
---|
1317 | if (ray.mDistribution == SamplingStrategy::HW_GLOBAL_LINES_DISTRIBUTION)
|
---|
1318 | {
|
---|
1319 | mGlobalLinesRenderer->CastGlobalLines(ray, vssRays);
|
---|
1320 | continue;
|
---|
1321 | }
|
---|
1322 | #endif
|
---|
1323 | mRayCaster->CastRay(
|
---|
1324 | ray,
|
---|
1325 | vssRays,
|
---|
1326 | mViewCellsManager->GetViewSpaceBox(),
|
---|
1327 | castDoubleRays,
|
---|
1328 | pruneInvalidRays);
|
---|
1329 |
|
---|
1330 | }
|
---|
1331 |
|
---|
1332 | }
|
---|
1333 |
|
---|
1334 |
|
---|
1335 | bool Preprocessor::GenerateRayBundle(SimpleRayContainer &rayBundle,
|
---|
1336 | const SimpleRay &mainRay,
|
---|
1337 | const int number,
|
---|
1338 | const int pertubType) const
|
---|
1339 | {
|
---|
1340 | rayBundle.push_back(mainRay);
|
---|
1341 |
|
---|
1342 | const float pertubOrigin = 0.0f;
|
---|
1343 | const float pertubDir = 0.2f;
|
---|
1344 |
|
---|
1345 | for (int i = 0; i < number - 1; ++ i)
|
---|
1346 | {
|
---|
1347 | Vector3 pertub;
|
---|
1348 |
|
---|
1349 | pertub.x = RandomValue(0.0f, pertubDir);
|
---|
1350 | pertub.y = RandomValue(0.0f, pertubDir);
|
---|
1351 | pertub.z = RandomValue(0.0f, pertubDir);
|
---|
1352 |
|
---|
1353 | const Vector3 newDir = mainRay.mDirection + pertub;
|
---|
1354 | //const Vector3 newDir = mainRay.mDirection;
|
---|
1355 |
|
---|
1356 | pertub.x = RandomValue(0.0f, pertubOrigin);
|
---|
1357 | pertub.y = RandomValue(0.0f, pertubOrigin);
|
---|
1358 | pertub.z = RandomValue(0.0f, pertubOrigin);
|
---|
1359 |
|
---|
1360 | const Vector3 newOrigin = mainRay.mOrigin + pertub;
|
---|
1361 | //const Vector3 newOrigin = mainRay.mOrigin;
|
---|
1362 |
|
---|
1363 | rayBundle.push_back(SimpleRay(newOrigin, newDir, 0, 1.0f));
|
---|
1364 | }
|
---|
1365 |
|
---|
1366 | return true;
|
---|
1367 | }
|
---|
1368 |
|
---|
1369 |
|
---|
1370 | void Preprocessor::SetupRay(Ray &ray,
|
---|
1371 | const Vector3 &point,
|
---|
1372 | const Vector3 &direction) const
|
---|
1373 | {
|
---|
1374 | ray.Clear();
|
---|
1375 | // do not store anything else then intersections at the ray
|
---|
1376 | ray.Init(point, direction, Ray::LOCAL_RAY);
|
---|
1377 | }
|
---|
1378 |
|
---|
1379 |
|
---|
1380 | void Preprocessor::EvalViewCellHistogram()
|
---|
1381 | {
|
---|
1382 | char filename[256];
|
---|
1383 | Environment::GetSingleton()->GetStringValue("Preprocessor.histogram.file", filename);
|
---|
1384 |
|
---|
1385 | // mViewCellsManager->EvalViewCellHistogram(filename, 1000000);
|
---|
1386 | mViewCellsManager->EvalViewCellHistogramForPvsSize(filename, 1000000);
|
---|
1387 | }
|
---|
1388 |
|
---|
1389 |
|
---|
1390 | bool
|
---|
1391 | Preprocessor::ExportRays(const char *filename,
|
---|
1392 | const VssRayContainer &vssRays,
|
---|
1393 | const int number,
|
---|
1394 | const bool exportScene
|
---|
1395 | )
|
---|
1396 | {
|
---|
1397 | cout<<"Exporting vss rays..."<<endl<<flush;
|
---|
1398 |
|
---|
1399 | Exporter *exporter = NULL;
|
---|
1400 | exporter = Exporter::GetExporter(filename);
|
---|
1401 |
|
---|
1402 | if (0) {
|
---|
1403 | exporter->SetWireframe();
|
---|
1404 | exporter->ExportKdTree(*mKdTree);
|
---|
1405 | }
|
---|
1406 |
|
---|
1407 | exporter->SetFilled();
|
---|
1408 | // $$JB temporarily do not export the scene
|
---|
1409 | if (exportScene)
|
---|
1410 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
1411 |
|
---|
1412 | exporter->SetWireframe();
|
---|
1413 |
|
---|
1414 | if (1) {
|
---|
1415 | exporter->SetForcedMaterial(RgbColor(1,0,1));
|
---|
1416 | exporter->ExportBox(mViewCellsManager->GetViewSpaceBox());
|
---|
1417 | exporter->ResetForcedMaterial();
|
---|
1418 | }
|
---|
1419 |
|
---|
1420 | VssRayContainer rays;
|
---|
1421 | vssRays.SelectRays(number, rays);
|
---|
1422 | exporter->ExportRays(rays, RgbColor(1, 0, 0));
|
---|
1423 | delete exporter;
|
---|
1424 | cout<<"done."<<endl<<flush;
|
---|
1425 |
|
---|
1426 | return true;
|
---|
1427 | }
|
---|
1428 |
|
---|
1429 | bool
|
---|
1430 | Preprocessor::ExportRayAnimation(const char *filename,
|
---|
1431 | const vector<VssRayContainer> &vssRays
|
---|
1432 | )
|
---|
1433 | {
|
---|
1434 | cout<<"Exporting vss rays..."<<endl<<flush;
|
---|
1435 |
|
---|
1436 | Exporter *exporter = NULL;
|
---|
1437 | exporter = Exporter::GetExporter(filename);
|
---|
1438 | if (0) {
|
---|
1439 | exporter->SetWireframe();
|
---|
1440 | exporter->ExportKdTree(*mKdTree);
|
---|
1441 | }
|
---|
1442 | exporter->SetFilled();
|
---|
1443 | // $$JB temporarily do not export the scene
|
---|
1444 | if (0)
|
---|
1445 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
1446 | exporter->SetWireframe();
|
---|
1447 |
|
---|
1448 | if (1) {
|
---|
1449 | exporter->SetForcedMaterial(RgbColor(1,0,1));
|
---|
1450 | exporter->ExportBox(mViewCellsManager->GetViewSpaceBox());
|
---|
1451 | exporter->ResetForcedMaterial();
|
---|
1452 | }
|
---|
1453 |
|
---|
1454 | exporter->ExportRaySets(vssRays, RgbColor(1, 0, 0));
|
---|
1455 |
|
---|
1456 | delete exporter;
|
---|
1457 |
|
---|
1458 | cout<<"done."<<endl<<flush;
|
---|
1459 |
|
---|
1460 | return true;
|
---|
1461 | }
|
---|
1462 |
|
---|
1463 | void
|
---|
1464 | Preprocessor::ComputeRenderError()
|
---|
1465 | {
|
---|
1466 | // compute rendering error
|
---|
1467 |
|
---|
1468 | if (renderer && renderer->mPvsStatFrames) {
|
---|
1469 | // emit EvalPvsStat();
|
---|
1470 | // QMutex mutex;
|
---|
1471 | // mutex.lock();
|
---|
1472 | // renderer->mRenderingFinished.wait(&mutex);
|
---|
1473 | // mutex.unlock();
|
---|
1474 |
|
---|
1475 | if (mViewCellsManager->GetViewCellPointsList()->size()) {
|
---|
1476 |
|
---|
1477 | ViewCellPointsList *vcPoints = mViewCellsManager->GetViewCellPointsList();
|
---|
1478 |
|
---|
1479 | ViewCellPointsList::const_iterator
|
---|
1480 | vit = vcPoints->begin(),
|
---|
1481 | vit_end = vcPoints->end();
|
---|
1482 |
|
---|
1483 | SimpleRayContainer viewPoints;
|
---|
1484 |
|
---|
1485 | for (; vit != vit_end; ++ vit) {
|
---|
1486 | ViewCellPoints *vp = *vit;
|
---|
1487 |
|
---|
1488 | SimpleRayContainer::const_iterator rit = vp->second.begin(), rit_end = vp->second.end();
|
---|
1489 | for (; rit!=rit_end; ++rit)
|
---|
1490 | viewPoints.push_back(*rit);
|
---|
1491 | }
|
---|
1492 |
|
---|
1493 | if (viewPoints.size() != renderer->mPvsErrorBuffer.size()) {
|
---|
1494 | renderer->mPvsErrorBuffer.resize(viewPoints.size());
|
---|
1495 | renderer->ClearErrorBuffer();
|
---|
1496 | }
|
---|
1497 |
|
---|
1498 | renderer->EvalPvsStat(viewPoints);
|
---|
1499 | } else
|
---|
1500 | renderer->EvalPvsStat();
|
---|
1501 |
|
---|
1502 | mStats <<
|
---|
1503 | "#AvgPvsRenderError\n" <<renderer->mPvsStat.GetAvgError()<<endl<<
|
---|
1504 | "#AvgPixelError\n" <<renderer->GetAvgPixelError()<<endl<<
|
---|
1505 | "#MaxPixelError\n" <<renderer->GetMaxPixelError()<<endl<<
|
---|
1506 | "#MaxPvsRenderError\n" <<renderer->mPvsStat.GetMaxError()<<endl<<
|
---|
1507 | "#ErrorFreeFrames\n" <<renderer->mPvsStat.GetErrorFreeFrames()<<endl<<
|
---|
1508 | "#AvgRenderPvs\n" <<renderer->mPvsStat.GetAvgPvs()<<endl;
|
---|
1509 | }
|
---|
1510 | }
|
---|
1511 |
|
---|
1512 |
|
---|
1513 | Intersectable *Preprocessor::GetObjectById(const int id)
|
---|
1514 | {
|
---|
1515 | #if 1
|
---|
1516 | // create a dummy mesh instance to be able to use stl
|
---|
1517 | MeshInstance object(NULL);
|
---|
1518 | object.SetId(id);
|
---|
1519 |
|
---|
1520 | ObjectContainer::const_iterator oit =
|
---|
1521 | lower_bound(mObjects.begin(), mObjects.end(), &object, ilt);
|
---|
1522 |
|
---|
1523 | // objects sorted by id
|
---|
1524 | if ((oit != mObjects.end()) && ((*oit)->GetId() == object.GetId()))
|
---|
1525 | {
|
---|
1526 | return (*oit);
|
---|
1527 | }
|
---|
1528 | else
|
---|
1529 | {
|
---|
1530 | return NULL;
|
---|
1531 | }
|
---|
1532 | #else
|
---|
1533 | return mObjects[id - 1];
|
---|
1534 | #endif
|
---|
1535 | }
|
---|
1536 |
|
---|
1537 |
|
---|
1538 | void Preprocessor::PrepareHwGlobalLines()
|
---|
1539 | {
|
---|
1540 | int texHeight, texWidth;
|
---|
1541 | float eps;
|
---|
1542 | int maxDepth;
|
---|
1543 | bool sampleReverse;
|
---|
1544 |
|
---|
1545 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.texHeight", texHeight);
|
---|
1546 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.texWidth", texWidth);
|
---|
1547 | Environment::GetSingleton()->GetFloatValue("Preprocessor.HwGlobalLines.stepSize", eps);
|
---|
1548 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.maxDepth", maxDepth);
|
---|
1549 | Environment::GetSingleton()->GetBoolValue("Preprocessor.HwGlobalLines.sampleReverse", sampleReverse);
|
---|
1550 |
|
---|
1551 | Debug << "****** hw global line options *******" << endl;
|
---|
1552 | Debug << "texWidth: " << texWidth << endl;
|
---|
1553 | Debug << "texHeight: " << texHeight << endl;
|
---|
1554 | Debug << "sampleReverse: " << sampleReverse << endl;
|
---|
1555 | Debug << "max depth: " << maxDepth << endl;
|
---|
1556 | Debug << "step size: " << eps << endl;
|
---|
1557 | Debug << endl;
|
---|
1558 |
|
---|
1559 | #ifdef USE_CG
|
---|
1560 | globalLinesRenderer = mGlobalLinesRenderer =
|
---|
1561 | new GlobalLinesRenderer(this,
|
---|
1562 | texHeight,
|
---|
1563 | texWidth,
|
---|
1564 | eps,
|
---|
1565 | maxDepth,
|
---|
1566 | sampleReverse);
|
---|
1567 |
|
---|
1568 | mGlobalLinesRenderer->InitGl();
|
---|
1569 |
|
---|
1570 | #endif
|
---|
1571 | }
|
---|
1572 |
|
---|
1573 |
|
---|
1574 | void Preprocessor::DeterminePvsObjects(VssRayContainer &rays)
|
---|
1575 | {
|
---|
1576 | mViewCellsManager->DeterminePvsObjects(rays, false);
|
---|
1577 | }
|
---|
1578 |
|
---|
1579 |
|
---|
1580 | bool Preprocessor::LoadObjects(const string &filename,
|
---|
1581 | ObjectContainer &pvsObjects,
|
---|
1582 | const ObjectContainer &preprocessorObjects)
|
---|
1583 | {
|
---|
1584 | ObjectsParser parser;
|
---|
1585 |
|
---|
1586 | const bool success = parser.ParseObjects(filename,
|
---|
1587 | pvsObjects,
|
---|
1588 | preprocessorObjects);
|
---|
1589 |
|
---|
1590 | if (!success)
|
---|
1591 | {
|
---|
1592 | Debug << "Error: loading objects failed!" << endl;
|
---|
1593 | }
|
---|
1594 |
|
---|
1595 | // hack: no bvh object could be found => take preprocessor objects
|
---|
1596 | if (pvsObjects.empty())
|
---|
1597 | {
|
---|
1598 | Debug << "no objects" << endl;
|
---|
1599 | pvsObjects = preprocessorObjects;
|
---|
1600 | }
|
---|
1601 |
|
---|
1602 | return success;
|
---|
1603 | }
|
---|
1604 |
|
---|
1605 |
|
---|
1606 | Mesh *Preprocessor::LoadBinaryObjIntoMesh(const string &filename)
|
---|
1607 | {
|
---|
1608 | igzstream inStream(filename.c_str());
|
---|
1609 |
|
---|
1610 | if (!inStream.is_open())
|
---|
1611 | return NULL;
|
---|
1612 |
|
---|
1613 | cout << "binary obj dump available, loading " << filename.c_str() << endl;
|
---|
1614 |
|
---|
1615 | // read in triangle size
|
---|
1616 | int numTriangles;
|
---|
1617 |
|
---|
1618 | inStream.read(reinterpret_cast<char *>(&numTriangles), sizeof(int));
|
---|
1619 |
|
---|
1620 | cout << "loading " << numTriangles << " triangles into mesh" << endl;
|
---|
1621 |
|
---|
1622 | int i = 0, j = 0;
|
---|
1623 |
|
---|
1624 | Mesh *mesh = new Mesh(numTriangles * 3, numTriangles);
|
---|
1625 |
|
---|
1626 | const int t = 500000;
|
---|
1627 | while (1)
|
---|
1628 | {
|
---|
1629 | Triangle3 tri;
|
---|
1630 |
|
---|
1631 | inStream.read(reinterpret_cast<char *>(&mesh->mVertices[i]), sizeof(Vector3));
|
---|
1632 | inStream.read(reinterpret_cast<char *>(&mesh->mVertices[i + 1]), sizeof(Vector3));
|
---|
1633 | inStream.read(reinterpret_cast<char *>(&mesh->mVertices[i + 2]), sizeof(Vector3));
|
---|
1634 |
|
---|
1635 |
|
---|
1636 | mesh->mVertices[i].x += 20;
|
---|
1637 | mesh->mVertices[i + 1].x += 20;
|
---|
1638 | mesh->mVertices[i + 2].x += 20;
|
---|
1639 |
|
---|
1640 | mesh->mVertices[i].z -= 10;
|
---|
1641 | mesh->mVertices[i + 1].z -= 10;
|
---|
1642 | mesh->mVertices[i + 2].z -= 10;
|
---|
1643 |
|
---|
1644 | mesh->mVertices[i] *= 50;
|
---|
1645 | mesh->mVertices[i + 1] *= 50;
|
---|
1646 | mesh->mVertices[i + 2] *= 50;
|
---|
1647 |
|
---|
1648 | mesh->AddFace(new Face(i + 0, i + 1, i + 2));
|
---|
1649 |
|
---|
1650 | // end of file reached
|
---|
1651 | if (inStream.eof())
|
---|
1652 | break;
|
---|
1653 |
|
---|
1654 | i += 3;
|
---|
1655 | if (((j ++) % t) == (t - 1))
|
---|
1656 | cout<<"\r"<<i<<"/"<<numTriangles<<"\r";
|
---|
1657 | }
|
---|
1658 |
|
---|
1659 | if (j != numTriangles)
|
---|
1660 | {
|
---|
1661 | cout << "warning: triangle size does not match with loaded triangle size" << endl;
|
---|
1662 | return false;
|
---|
1663 | }
|
---|
1664 |
|
---|
1665 | mesh->Preprocess();
|
---|
1666 | cout << "loaded " << numTriangles << " triangles" << endl;
|
---|
1667 |
|
---|
1668 | return mesh;
|
---|
1669 | }
|
---|
1670 |
|
---|
1671 |
|
---|
1672 | bool Preprocessor::LoadDynamicGeometry(const string &filename)
|
---|
1673 | {
|
---|
1674 | const bool dynamic = true;
|
---|
1675 |
|
---|
1676 | Mesh *mesh = LoadBinaryObjIntoMesh(filename);
|
---|
1677 |
|
---|
1678 | if (mesh)
|
---|
1679 | {
|
---|
1680 | SceneGraphLeaf *leaf = new SceneGraphLeaf(dynamic);
|
---|
1681 |
|
---|
1682 | TransformedMeshInstance *tmi = new TransformedMeshInstance(mesh);
|
---|
1683 | leaf->mGeometry.push_back(tmi);
|
---|
1684 |
|
---|
1685 | mSceneGraph->GetRoot()->mChildren.push_back(leaf);
|
---|
1686 | //mDynamicObjects.push_back(leaf);
|
---|
1687 | mDynamicObjects.push_back(tmi);
|
---|
1688 |
|
---|
1689 | return true;
|
---|
1690 | }
|
---|
1691 |
|
---|
1692 |
|
---|
1693 | return false;
|
---|
1694 | }
|
---|
1695 |
|
---|
1696 | }
|
---|