1 | #include "SceneGraph.h"
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2 | #include "Exporter.h"
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3 | #include "UnigraphicsParser.h"
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4 | #include "X3dParser.h"
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5 | #include "Preprocessor.h"
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6 | #include "ViewCell.h"
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7 | #include "Environment.h"
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8 | #include "ViewCellsManager.h"
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9 | #include "ViewCellBsp.h"
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10 | #include "VspBspTree.h"
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11 | #include "RenderSimulator.h"
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12 | #include "GlRenderer.h"
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13 | #include "PlyParser.h"
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14 | #include "SamplingStrategy.h"
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15 | #include "VspTree.h"
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16 | #include "OspTree.h"
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17 | #include "ObjParser.h"
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18 | #include "BvHierarchy.h"
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19 | #include "HierarchyManager.h"
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20 | #include "VssRay.h"
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21 | #include "IntelRayCaster.h"
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22 | #include "HavranRayCaster.h"
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23 | #include "InternalRayCaster.h"
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24 | #include "GlobalLinesRenderer.h"
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25 | #include "ObjectsParser.h"
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26 |
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27 |
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28 | #define DEBUG_RAYCAST 0
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29 | #define SHOW_RAYCAST_TIMING 1
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30 |
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31 | using namespace std;
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32 |
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33 | namespace GtpVisibilityPreprocessor {
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34 |
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35 |
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36 | inline static bool ilt(Intersectable *obj1, Intersectable *obj2)
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37 | {
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38 | return obj1->mId < obj2->mId;
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39 | }
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40 |
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41 |
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42 | Preprocessor *preprocessor = NULL;
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43 |
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44 |
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45 | Preprocessor::Preprocessor():
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46 | mKdTree(NULL),
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47 | mBspTree(NULL),
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48 | mVspBspTree(NULL),
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49 | mViewCellsManager(NULL),
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50 | mRenderSimulator(NULL),
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51 | mPass(0),
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52 | mSceneGraph(NULL),
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53 | mRayCaster(NULL),
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54 | mStopComputation(false),
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55 | mThread(NULL),
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56 | mGlobalLinesRenderer(NULL),
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57 | mUseHwGlobalLines(false),
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58 | mTotalRaysCast(0)
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59 | {
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60 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlRenderer", mUseGlRenderer);
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61 |
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62 | // renderer will be constructed when the scene graph and viewcell manager will be known
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63 | renderer = NULL;
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64 |
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65 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlDebugger", mUseGlDebugger);
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66 | Environment::GetSingleton()->GetBoolValue("Preprocessor.loadMeshes", mLoadMeshes);
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67 | Environment::GetSingleton()->GetBoolValue("Preprocessor.quitOnFinish", mQuitOnFinish);
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68 | Environment::GetSingleton()->GetBoolValue("Preprocessor.computeVisibility", mComputeVisibility);
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69 | Environment::GetSingleton()->GetBoolValue("Preprocessor.detectEmptyViewSpace", mDetectEmptyViewSpace);
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70 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportVisibility", mExportVisibility );
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71 |
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72 | char buffer[256];
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73 | Environment::GetSingleton()->GetStringValue("Preprocessor.visibilityFile", buffer);
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74 | mVisibilityFileName = buffer;
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75 |
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76 | Environment::GetSingleton()->GetStringValue("Preprocessor.stats", buffer);
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77 | mStats.open(buffer);
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78 |
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79 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilityFilter", mApplyVisibilityFilter);
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80 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilitySpatialFilter",
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81 | mApplyVisibilitySpatialFilter );
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82 | Environment::GetSingleton()->GetFloatValue("Preprocessor.visibilityFilterWidth", mVisibilityFilterWidth);
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83 |
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84 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportObj", mExportObj);
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85 |
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86 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useViewSpaceBox", mUseViewSpaceBox);
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87 |
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88 | Environment::GetSingleton()->GetBoolValue("Preprocessor.Export.rays", mExportRays);
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89 | Environment::GetSingleton()->GetBoolValue("Preprocessor.Export.animation", mExportAnimation);
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90 | Environment::GetSingleton()->GetIntValue("Preprocessor.Export.numRays", mExportNumRays);
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91 |
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92 | Environment::GetSingleton()->GetIntValue("Preprocessor.samplesPerPass", mSamplesPerPass);
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93 | Environment::GetSingleton()->GetIntValue("Preprocessor.totalSamples", mTotalSamples);
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94 | Environment::GetSingleton()->GetIntValue("Preprocessor.totalTime", mTotalTime);
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95 | Environment::GetSingleton()->GetIntValue("Preprocessor.samplesPerEvaluation",
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96 | mSamplesPerEvaluation);
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97 |
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98 | Debug << "******* Preprocessor Options **********" << endl;
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99 | Debug << "detect empty view space=" << mDetectEmptyViewSpace << endl;
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100 | Debug << "load meshes: " << mLoadMeshes << endl;
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101 | Debug << "load meshes: " << mLoadMeshes << endl;
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102 | Debug << "export obj: " << mExportObj << endl;
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103 | Debug << "use view space box: " << mUseViewSpaceBox << endl;
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104 |
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105 | cout << "samples per pass " << mSamplesPerPass << endl;
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106 | }
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107 |
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108 |
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109 | Preprocessor::~Preprocessor()
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110 | {
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111 | cout << "cleaning up" << endl;
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112 |
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113 | cout << "Deleting view cells manager ... \n";
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114 | DEL_PTR(mViewCellsManager);
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115 | cout << "done.\n";
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116 |
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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 | cout << "deleting renderer ... \n";
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138 | DEL_PTR(renderer);
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139 | renderer = NULL;
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140 | cout << "deleting ray caster ... \n";
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141 | DEL_PTR(mRayCaster);
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142 |
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143 | #ifdef USE_CG
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144 | cout << "deleting global lines renderer ... \n";
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145 | DEL_PTR(mGlobalLinesRenderer);
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146 | #endif
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147 | cout << "finished" << endl;
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148 | }
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149 |
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150 |
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151 | GlRendererBuffer *Preprocessor::GetRenderer()
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152 | {
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153 | return renderer;
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154 | }
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155 |
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156 |
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157 | static int SplitFilenames(const string str, vector<string> &filenames)
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158 | {
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159 | int pos = 0;
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160 |
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161 | while(1) {
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162 | int npos = (int)str.find(';', pos);
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163 |
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164 | if (npos < 0 || npos - pos < 1)
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165 | break;
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166 | filenames.push_back(string(str, pos, npos - pos));
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167 | pos = npos + 1;
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168 | }
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169 |
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170 | filenames.push_back(string(str, pos, str.size() - pos));
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171 | return (int)filenames.size();
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172 | }
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173 |
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174 |
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175 | void Preprocessor::SetThread(PreprocessorThread *t)
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176 | {
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177 | mThread = t;
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178 | }
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179 |
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180 |
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181 | PreprocessorThread *Preprocessor::GetThread() const
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182 | {
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183 | return mThread;
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184 | }
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185 |
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186 |
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187 | bool Preprocessor::LoadBinaryObj(const string &filename,
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188 | SceneGraphNode *root,
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189 | vector<FaceParentInfo> *parents)
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190 | {
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191 | //ifstream inStream(filename, ios::binary);
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192 | igzstream inStream(filename.c_str());
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193 |
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194 | if (!inStream.is_open())
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195 | return false;
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196 |
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197 | cout << "binary obj dump available, loading " << filename.c_str() << endl;
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198 |
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199 | // read in triangle size
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200 | int numTriangles;
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201 |
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202 | inStream.read(reinterpret_cast<char *>(&numTriangles), sizeof(int));
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203 | root->mGeometry.reserve(numTriangles);
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204 | cout << "loading " << numTriangles << " triangles (" << numTriangles *
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205 | (sizeof(TriangleIntersectable) + sizeof(TriangleIntersectable *)) /
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206 | (1024 * 1024) << " MB)" << endl;
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207 |
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208 | int i = 0;
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209 |
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210 | while (1)
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211 | {
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212 | Triangle3 tri;
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213 |
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214 | inStream.read(reinterpret_cast<char *>(tri.mVertices + 0), sizeof(Vector3));
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215 | inStream.read(reinterpret_cast<char *>(tri.mVertices + 1), sizeof(Vector3));
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216 | inStream.read(reinterpret_cast<char *>(tri.mVertices + 2), sizeof(Vector3));
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217 |
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218 | // end of file reached
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219 | if (inStream.eof())
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220 | break;
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221 |
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222 | TriangleIntersectable *obj = new TriangleIntersectable(tri);
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223 | root->mGeometry.push_back(obj);
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224 |
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225 | if ((i ++) % 500000 == 499999)
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226 | cout<<"\r"<<i<<"/"<<numTriangles<<"\r";
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227 | }
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228 |
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229 | if (i != numTriangles)
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230 | {
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231 | cout << "warning: triangle size does not match with loaded triangle size" << endl;
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232 | return false;
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233 | }
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234 |
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235 | cout << "loaded " << numTriangles << " triangles" << endl;
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236 |
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237 | return true;
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238 | }
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239 |
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240 |
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241 | bool Preprocessor::ExportBinaryObj(const string &filename, SceneGraphNode *root)
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242 | {
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243 | ogzstream samplesOut(filename.c_str());
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244 |
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245 | if (!samplesOut.is_open())
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246 | return false;
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247 |
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248 | int numTriangles = (int)root->mGeometry.size();
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249 |
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250 | samplesOut.write(reinterpret_cast<char *>(&numTriangles), sizeof(int));
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251 |
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252 | ObjectContainer::const_iterator oit, oit_end = root->mGeometry.end();
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253 |
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254 | for (oit = root->mGeometry.begin(); oit != oit_end; ++ oit)
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255 | {
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256 | Intersectable *obj = *oit;
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257 |
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258 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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259 | {
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260 | Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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261 |
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262 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 0), sizeof(Vector3));
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263 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 1), sizeof(Vector3));
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264 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 2), sizeof(Vector3));
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265 | }
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266 | else
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267 | {
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268 | cout << "not implemented intersectable type " << obj->Type() << endl;
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269 | }
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270 | }
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271 |
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272 | cout << "exported " << numTriangles << " triangles" << endl;
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273 |
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274 | return true;
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275 | }
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276 |
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277 |
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278 | bool Preprocessor::ExportObj(const string &filename, const ObjectContainer &objects)
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279 | {
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280 | ofstream samplesOut(filename.c_str());
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281 |
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282 | if (!samplesOut.is_open())
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283 | return false;
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284 |
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285 | ObjectContainer::const_iterator oit, oit_end = objects.end();
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286 |
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287 | //AxisAlignedBox3 bbox = mSceneGraph->GetBox(); bbox.Enlarge(30.0);
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288 | for (oit = objects.begin(); oit != oit_end; ++ oit)
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289 | {
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290 | Intersectable *obj = *oit;
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291 |
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292 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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293 | {
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294 | Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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295 | //if (!(bbox.IsInside(tri.mVertices[0]) && bbox.IsInside(tri.mVertices[1]) && bbox.IsInside(tri.mVertices[2])))continue;
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296 |
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297 | samplesOut << "v " << tri.mVertices[0].x << " " << tri.mVertices[0].y << " " << tri.mVertices[0].z << endl;
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298 | samplesOut << "v " << tri.mVertices[1].x << " " << tri.mVertices[1].y << " " << tri.mVertices[1].z << endl;
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299 | samplesOut << "v " << tri.mVertices[2].x << " " << tri.mVertices[2].y << " " << tri.mVertices[2].z << endl;
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300 | //}
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301 | }
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302 | else
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303 | {
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304 | cout << "not implemented intersectable type " << obj->Type() << endl;
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305 | }
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306 | }
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307 |
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308 | // write faces
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309 | int i = 1;
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310 | for (oit = objects.begin(); oit != oit_end; ++ oit)
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311 | {
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312 | Intersectable *obj = *oit;
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313 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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314 | {
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315 | //Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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316 | //if (!(bbox.IsInside(tri.mVertices[0]) && bbox.IsInside(tri.mVertices[1]) && bbox.IsInside(tri.mVertices[2]))) continue;
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317 |
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318 | Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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319 | samplesOut << "f " << i << " " << i + 1 << " " << i + 2 << endl;
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320 | i += 3;
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321 | }
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322 | else
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323 | {
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324 | cout << "not implemented intersectable type " << obj->Type() << endl;
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325 | }
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326 | }
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327 |
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328 | return true;
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329 |
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330 | }
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331 |
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332 | static string ReplaceSuffix(const string &filename, string a, string b)
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333 | {
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334 | string result = filename;
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335 |
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336 | int pos = (int)filename.rfind(a, (int)filename.size() - 1);
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337 | if (pos == filename.size() - a.size()) {
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338 | result.replace(pos, a.size(), b);
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339 | }
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340 | return result;
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341 | }
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342 |
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343 |
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344 | Intersectable *Preprocessor::GetParentObject(const int index) const
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345 | {
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346 | if (index < 0)
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347 | {
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348 | //cerr << "Warning: triangle index smaller zero! " << index << endl;
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349 | return NULL;
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350 | }
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351 |
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352 | if (!mFaceParents.empty())
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353 | {
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354 | if (index >= (int)mFaceParents.size())
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355 | {
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356 | cerr << "Warning: triangle index out of range! " << index << endl;
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357 | return NULL;
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358 | }
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359 | else
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360 | {
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361 | return mFaceParents[index].mObject;
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362 | }
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363 | }
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364 | else
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365 | {
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366 | if (index >= (int)mObjects.size())
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367 | {
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368 | cerr<<"Warning: triangle index out of range! " << index << " of " << (int)mObjects.size() << endl;
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369 | return NULL;
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370 | }
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371 | else
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372 | {
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373 | return mObjects[index];
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374 | }
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375 | }
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376 | }
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377 |
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378 |
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379 | Vector3 Preprocessor::GetParentNormal(const int index) const
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380 | {
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381 | if (!mFaceParents.empty())
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382 | {
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383 | return mFaceParents[index].mObject->GetNormal(mFaceParents[index].mFaceIndex);
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384 | }
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385 | else
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386 | {
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387 | return mObjects[index]->GetNormal(0);
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388 | }
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389 | }
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390 |
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391 |
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392 | bool
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393 | Preprocessor::LoadScene(const string &filename)
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394 | {
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395 | // use leaf nodes of the original spatial hierarchy as occludees
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396 | mSceneGraph = new SceneGraph;
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397 |
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398 | Parser *parser;
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399 | vector<string> filenames;
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400 | const int files = SplitFilenames(filename, filenames);
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401 | cout << "number of input files: " << files << endl;
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402 |
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403 | bool result = false;
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404 | bool isObj = false;
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405 |
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406 | // root for different files
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407 | mSceneGraph->SetRoot(new SceneGraphNode());
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408 |
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409 | // intel ray caster can only trace triangles
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410 | int rayCastMethod;
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411 | Environment::GetSingleton()->GetIntValue("Preprocessor.rayCastMethod",
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412 | rayCastMethod);
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413 |
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414 | vector<FaceParentInfo> *fi =
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415 | ((rayCastMethod == RayCaster::INTEL_RAYCASTER) && mLoadMeshes) ?
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416 | &mFaceParents : NULL;
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417 |
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418 | if (files == 1)
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419 | {
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420 | if (strstr(filename.c_str(), ".x3d"))
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421 | {
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422 | parser = new X3dParser;
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423 |
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424 | result = parser->ParseFile(filename,
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425 | mSceneGraph->GetRoot(),
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426 | mLoadMeshes,
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427 | fi);
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428 | delete parser;
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429 | }
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430 | else if (strstr(filename.c_str(), ".ply") || strstr(filename.c_str(), ".plb"))
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431 | {
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432 | parser = new PlyParser;
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433 |
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434 | result = parser->ParseFile(filename,
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435 | mSceneGraph->GetRoot(),
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436 | mLoadMeshes,
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437 | fi);
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438 | delete parser;
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439 | }
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440 | else if (strstr(filename.c_str(), ".obj"))
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441 | {
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442 | isObj = true;
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443 |
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444 | // hack: load binary dump
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445 | const string bnFile = ReplaceSuffix(filename, ".obj", ".bn");
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446 |
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447 | if (!mLoadMeshes)
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448 | {
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449 | result = LoadBinaryObj(bnFile, mSceneGraph->GetRoot(), fi);
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450 | }
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451 |
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452 | // parse obj
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453 | if (!result)
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454 | {
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455 | cout << "no binary dump available or loading full meshes, parsing file" << endl;
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456 | parser = new ObjParser;
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457 |
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458 | result = parser->ParseFile(filename, mSceneGraph->GetRoot(), mLoadMeshes, fi);
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459 |
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460 | cout << "loaded " << (int)mSceneGraph->GetRoot()->mGeometry.size() << " entities" << endl;
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461 |
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462 | // only works for triangles
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463 | if (result && !mLoadMeshes)
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464 | {
|
---|
465 | cout << "exporting binary obj to " << bnFile << "... " << endl;
|
---|
466 |
|
---|
467 | ExportBinaryObj(bnFile, mSceneGraph->GetRoot());
|
---|
468 |
|
---|
469 | cout << "finished" << endl;
|
---|
470 | }
|
---|
471 |
|
---|
472 | delete parser;
|
---|
473 | }
|
---|
474 | }
|
---|
475 | else
|
---|
476 | {
|
---|
477 | parser = new UnigraphicsParser;
|
---|
478 | result = parser->ParseFile(filename, mSceneGraph->GetRoot(), mLoadMeshes, fi);
|
---|
479 | delete parser;
|
---|
480 | }
|
---|
481 |
|
---|
482 | cout << filename << endl;
|
---|
483 | }
|
---|
484 | else
|
---|
485 | {
|
---|
486 | vector<string>::const_iterator fit, fit_end = filenames.end();
|
---|
487 |
|
---|
488 | for (fit = filenames.begin(); fit != fit_end; ++ fit)
|
---|
489 | {
|
---|
490 | const string filename = *fit;
|
---|
491 |
|
---|
492 | cout << "parsing file " << filename.c_str() << endl;
|
---|
493 | if (strstr(filename.c_str(), ".x3d"))
|
---|
494 | parser = new X3dParser;
|
---|
495 | else
|
---|
496 | parser = new UnigraphicsParser;
|
---|
497 |
|
---|
498 | SceneGraphNode *node = new SceneGraphNode();
|
---|
499 | const bool success =
|
---|
500 | parser->ParseFile(filename, node, mLoadMeshes, fi);
|
---|
501 |
|
---|
502 | if (success)
|
---|
503 | {
|
---|
504 | mSceneGraph->GetRoot()->mChildren.push_back(node);
|
---|
505 | result = true; // at least one file parsed
|
---|
506 | }
|
---|
507 |
|
---|
508 | // temporare hack
|
---|
509 | //if (!strstr(filename.c_str(), "plane")) mSceneGraph->GetRoot()->UpdateBox();
|
---|
510 |
|
---|
511 | delete parser;
|
---|
512 | }
|
---|
513 | }
|
---|
514 |
|
---|
515 | if (result)
|
---|
516 | {
|
---|
517 | int intersectables, faces;
|
---|
518 | mSceneGraph->GetStatistics(intersectables, faces);
|
---|
519 |
|
---|
520 | cout<<filename<<" parsed successfully."<<endl;
|
---|
521 | cout<<"#NUM_OBJECTS (Total numner of objects)\n"<<intersectables<<endl;
|
---|
522 | cout<<"#NUM_FACES (Total numner of faces)\n"<<faces<<endl;
|
---|
523 |
|
---|
524 | mObjects.reserve(intersectables);
|
---|
525 | mSceneGraph->CollectObjects(&mObjects);
|
---|
526 |
|
---|
527 | mSceneGraph->AssignObjectIds();
|
---|
528 |
|
---|
529 | mSceneGraph->GetRoot()->UpdateBox();
|
---|
530 |
|
---|
531 | cout << "finished loading" << endl;
|
---|
532 | }
|
---|
533 |
|
---|
534 | return result;
|
---|
535 | }
|
---|
536 |
|
---|
537 | bool
|
---|
538 | Preprocessor::ExportPreprocessedData(const string &filename)
|
---|
539 | {
|
---|
540 | mViewCellsManager->ExportViewCells(filename, true, mObjects);
|
---|
541 | return true;
|
---|
542 | }
|
---|
543 |
|
---|
544 |
|
---|
545 | bool
|
---|
546 | Preprocessor::PostProcessVisibility()
|
---|
547 | {
|
---|
548 |
|
---|
549 | if (mApplyVisibilityFilter || mApplyVisibilitySpatialFilter) {
|
---|
550 | cout<<"Applying visibility filter ...";
|
---|
551 | cout<<"filter width = " << mVisibilityFilterWidth << endl;
|
---|
552 |
|
---|
553 | if (!mViewCellsManager)
|
---|
554 | return false;
|
---|
555 |
|
---|
556 |
|
---|
557 | mViewCellsManager->ApplyFilter(mKdTree,
|
---|
558 | mApplyVisibilityFilter ?
|
---|
559 | mVisibilityFilterWidth : -1.0f,
|
---|
560 | mApplyVisibilitySpatialFilter ?
|
---|
561 | mVisibilityFilterWidth : -1.0f);
|
---|
562 | cout << "done." << endl;
|
---|
563 | }
|
---|
564 |
|
---|
565 | // export the preprocessed information to a file
|
---|
566 | if (1 && mExportVisibility)
|
---|
567 | {
|
---|
568 | ExportPreprocessedData(mVisibilityFileName);
|
---|
569 | }
|
---|
570 |
|
---|
571 | return true;
|
---|
572 | }
|
---|
573 |
|
---|
574 |
|
---|
575 | bool
|
---|
576 | Preprocessor::BuildKdTree()
|
---|
577 | {
|
---|
578 | mKdTree = new KdTree;
|
---|
579 |
|
---|
580 | // add mesh instances of the scene graph to the root of the tree
|
---|
581 | KdLeaf *root = (KdLeaf *)mKdTree->GetRoot();
|
---|
582 |
|
---|
583 | mSceneGraph->CollectObjects(&root->mObjects);
|
---|
584 |
|
---|
585 | const long startTime = GetTime();
|
---|
586 | cout << "building kd tree ... " << endl;
|
---|
587 |
|
---|
588 | mKdTree->Construct();
|
---|
589 |
|
---|
590 | cout << "finished kd tree construction in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
591 | << " secs " << endl;
|
---|
592 |
|
---|
593 | return true;
|
---|
594 | }
|
---|
595 |
|
---|
596 |
|
---|
597 | void
|
---|
598 | Preprocessor::KdTreeStatistics(ostream &s)
|
---|
599 | {
|
---|
600 | s<<mKdTree->GetStatistics();
|
---|
601 | }
|
---|
602 |
|
---|
603 | void
|
---|
604 | Preprocessor::BspTreeStatistics(ostream &s)
|
---|
605 | {
|
---|
606 | s << mBspTree->GetStatistics();
|
---|
607 | }
|
---|
608 |
|
---|
609 | bool
|
---|
610 | Preprocessor::Export( const string &filename,
|
---|
611 | const bool scene,
|
---|
612 | const bool kdtree
|
---|
613 | )
|
---|
614 | {
|
---|
615 | Exporter *exporter = Exporter::GetExporter(filename);
|
---|
616 |
|
---|
617 | if (exporter) {
|
---|
618 | if (2 && scene)
|
---|
619 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
620 |
|
---|
621 | if (1 && kdtree) {
|
---|
622 | exporter->SetWireframe();
|
---|
623 | exporter->ExportKdTree(*mKdTree);
|
---|
624 | }
|
---|
625 |
|
---|
626 | delete exporter;
|
---|
627 | return true;
|
---|
628 | }
|
---|
629 |
|
---|
630 | return false;
|
---|
631 | }
|
---|
632 |
|
---|
633 |
|
---|
634 | bool Preprocessor::PrepareViewCells()
|
---|
635 | {
|
---|
636 | // load the view cells assigning the found objects to the pvss
|
---|
637 | #if 0
|
---|
638 | cerr << "loading binary view cells" << endl;
|
---|
639 | ViewCellsManager *dummyViewCellsManager =
|
---|
640 | LoadViewCellsBinary("test.vc", mObjects, false, NULL);
|
---|
641 |
|
---|
642 | //cerr << "reexporting the binary view cells" << endl;
|
---|
643 | //dummyViewCellsManager->ExportViewCellsBinary("outvc.xml.gz", true, mObjects);
|
---|
644 |
|
---|
645 | return false;
|
---|
646 | #endif
|
---|
647 |
|
---|
648 | ///////
|
---|
649 | //-- parse view cells construction method
|
---|
650 |
|
---|
651 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", mLoadViewCells);
|
---|
652 | char buf[100];
|
---|
653 |
|
---|
654 | if (mLoadViewCells)
|
---|
655 | {
|
---|
656 |
|
---|
657 | #ifdef USE_BIT_PVS
|
---|
658 | // HACK: for kd pvs, set pvs size to maximal number of kd nodes
|
---|
659 | vector<KdLeaf *> leaves;
|
---|
660 | preprocessor->mKdTree->CollectLeaves(leaves);
|
---|
661 |
|
---|
662 | ObjectPvs::SetPvsSize((int)leaves.size());
|
---|
663 | #endif
|
---|
664 |
|
---|
665 | Environment::GetSingleton()->GetStringValue("ViewCells.filename", buf);
|
---|
666 | cout << "loading objects from " << buf << endl;
|
---|
667 |
|
---|
668 | // load objects which will be used as pvs entries
|
---|
669 | ObjectContainer pvsObjects;
|
---|
670 | if (0) LoadObjects(buf, pvsObjects, mObjects);
|
---|
671 |
|
---|
672 | const bool finalizeViewCells = true;
|
---|
673 | cout << "loading view cells from " << buf << endl;
|
---|
674 |
|
---|
675 | mViewCellsManager = ViewCellsManager::LoadViewCells(buf,
|
---|
676 | pvsObjects,
|
---|
677 | mObjects,
|
---|
678 | finalizeViewCells,
|
---|
679 | NULL);
|
---|
680 |
|
---|
681 | cout << "view cells loaded." << endl<<flush;
|
---|
682 |
|
---|
683 | if (!mViewCellsManager)
|
---|
684 | {
|
---|
685 | cerr << "no view cells manager could be loaded" << endl;
|
---|
686 | return false;
|
---|
687 | }
|
---|
688 | }
|
---|
689 | else
|
---|
690 | {
|
---|
691 | // parse type of view cells manager
|
---|
692 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
693 | mViewCellsManager = CreateViewCellsManager(buf);
|
---|
694 |
|
---|
695 | // default view space is the extent of the scene
|
---|
696 | AxisAlignedBox3 viewSpaceBox;
|
---|
697 |
|
---|
698 | if (mUseViewSpaceBox)
|
---|
699 | {
|
---|
700 | viewSpaceBox = mSceneGraph->GetBox();
|
---|
701 |
|
---|
702 | // use a small box outside of the scene
|
---|
703 | viewSpaceBox.Scale(Vector3(0.15f, 0.3f, 0.5f));
|
---|
704 | //viewSpaceBox.Translate(Vector3(Magnitude(mSceneGraph->GetBox().Size()) * 0.5f, 0, 0));
|
---|
705 | viewSpaceBox.Translate(Vector3(Magnitude(mSceneGraph->GetBox().Size()) * 0.3f, 0, 0));
|
---|
706 | mViewCellsManager->SetViewSpaceBox(viewSpaceBox);
|
---|
707 | }
|
---|
708 | else
|
---|
709 | {
|
---|
710 | viewSpaceBox = mSceneGraph->GetBox();
|
---|
711 | mViewCellsManager->SetViewSpaceBox(viewSpaceBox);
|
---|
712 | }
|
---|
713 |
|
---|
714 | bool loadVcGeometry;
|
---|
715 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadGeometry", loadVcGeometry);
|
---|
716 |
|
---|
717 | bool extrudeBaseTriangles;
|
---|
718 | Environment::GetSingleton()->GetBoolValue("ViewCells.useBaseTrianglesAsGeometry", extrudeBaseTriangles);
|
---|
719 |
|
---|
720 | char vcGeomFilename[100];
|
---|
721 | Environment::GetSingleton()->GetStringValue("ViewCells.geometryFilename", vcGeomFilename);
|
---|
722 |
|
---|
723 | // create view cells from specified geometry
|
---|
724 | if (loadVcGeometry)
|
---|
725 | {
|
---|
726 | if (mViewCellsManager->GetType() == ViewCellsManager::BSP)
|
---|
727 | {
|
---|
728 | if (!mViewCellsManager->LoadViewCellsGeometry(vcGeomFilename, extrudeBaseTriangles))
|
---|
729 | {
|
---|
730 | cerr << "loading view cells geometry failed" << endl;
|
---|
731 | }
|
---|
732 | }
|
---|
733 | else
|
---|
734 | {
|
---|
735 | cerr << "loading view cells geometry is not implemented for this manager" << endl;
|
---|
736 | }
|
---|
737 | }
|
---|
738 | }
|
---|
739 |
|
---|
740 | ////////
|
---|
741 | //-- evaluation of render cost heuristics
|
---|
742 |
|
---|
743 | float objRenderCost = 0, vcOverhead = 0, moveSpeed = 0;
|
---|
744 |
|
---|
745 | Environment::GetSingleton()->GetFloatValue("Simulation.objRenderCost",objRenderCost);
|
---|
746 | Environment::GetSingleton()->GetFloatValue("Simulation.vcOverhead", vcOverhead);
|
---|
747 | Environment::GetSingleton()->GetFloatValue("Simulation.moveSpeed", moveSpeed);
|
---|
748 |
|
---|
749 | mRenderSimulator =
|
---|
750 | new RenderSimulator(mViewCellsManager, objRenderCost, vcOverhead, moveSpeed);
|
---|
751 |
|
---|
752 | mViewCellsManager->SetRenderer(mRenderSimulator);
|
---|
753 |
|
---|
754 | mViewCellsManager->SetPreprocessor(this);
|
---|
755 |
|
---|
756 | return true;
|
---|
757 | }
|
---|
758 |
|
---|
759 |
|
---|
760 | bool Preprocessor::ConstructViewCells()
|
---|
761 | {
|
---|
762 | // construct view cells using it's own set of samples
|
---|
763 | mViewCellsManager->Construct(this);
|
---|
764 |
|
---|
765 | // visualizations and statistics
|
---|
766 | Debug << "finished view cells:" << endl;
|
---|
767 | mViewCellsManager->PrintStatistics(Debug);
|
---|
768 |
|
---|
769 | return true;
|
---|
770 | }
|
---|
771 |
|
---|
772 |
|
---|
773 | ViewCellsManager *Preprocessor::CreateViewCellsManager(const char *name)
|
---|
774 | {
|
---|
775 | ViewCellsTree *vcTree = new ViewCellsTree;
|
---|
776 |
|
---|
777 | if (strcmp(name, "kdTree") == 0)
|
---|
778 | {
|
---|
779 | mViewCellsManager = new KdViewCellsManager(vcTree, mKdTree);
|
---|
780 | }
|
---|
781 | else if (strcmp(name, "bspTree") == 0)
|
---|
782 | {
|
---|
783 | Debug << "view cell type: Bsp" << endl;
|
---|
784 |
|
---|
785 | mBspTree = new BspTree();
|
---|
786 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
787 | }
|
---|
788 | else if (strcmp(name, "vspBspTree") == 0)
|
---|
789 | {
|
---|
790 | Debug << "view cell type: VspBsp" << endl;
|
---|
791 |
|
---|
792 | mVspBspTree = new VspBspTree();
|
---|
793 | mViewCellsManager = new VspBspViewCellsManager(vcTree, mVspBspTree);
|
---|
794 | }
|
---|
795 | else if (strcmp(name, "vspOspTree") == 0)
|
---|
796 | {
|
---|
797 | Debug << "view cell type: VspOsp" << endl;
|
---|
798 | char buf[100];
|
---|
799 | Environment::GetSingleton()->GetStringValue("Hierarchy.type", buf);
|
---|
800 |
|
---|
801 | mViewCellsManager = new VspOspViewCellsManager(vcTree, buf);
|
---|
802 | }
|
---|
803 | else if (strcmp(name, "sceneDependent") == 0) //TODO
|
---|
804 | {
|
---|
805 | Debug << "view cell type: Bsp" << endl;
|
---|
806 |
|
---|
807 | mBspTree = new BspTree();
|
---|
808 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
809 | }
|
---|
810 | else
|
---|
811 | {
|
---|
812 | cerr << "Wrong view cells type " << name << "!!!" << endl;
|
---|
813 | exit(1);
|
---|
814 | }
|
---|
815 |
|
---|
816 | return mViewCellsManager;
|
---|
817 | }
|
---|
818 |
|
---|
819 |
|
---|
820 | // use ascii format to store rays
|
---|
821 | #define USE_ASCII 0
|
---|
822 |
|
---|
823 |
|
---|
824 | bool Preprocessor::LoadKdTree(const string &filename)
|
---|
825 | {
|
---|
826 | mKdTree = new KdTree();
|
---|
827 | return mKdTree->ImportBinTree(filename.c_str(), mObjects);
|
---|
828 | }
|
---|
829 |
|
---|
830 |
|
---|
831 | bool Preprocessor::ExportKdTree(const string &filename)
|
---|
832 | {
|
---|
833 | return mKdTree->ExportBinTree(filename.c_str());
|
---|
834 | }
|
---|
835 |
|
---|
836 |
|
---|
837 | bool Preprocessor::LoadSamples(VssRayContainer &samples,
|
---|
838 | ObjectContainer &objects) const
|
---|
839 | {
|
---|
840 | std::stable_sort(objects.begin(), objects.end(), ilt);
|
---|
841 | char fileName[100];
|
---|
842 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
843 |
|
---|
844 | Vector3 origin, termination;
|
---|
845 | // HACK: needed only for lower_bound algorithm to find the
|
---|
846 | // intersected objects
|
---|
847 | MeshInstance sObj(NULL);
|
---|
848 | MeshInstance tObj(NULL);
|
---|
849 |
|
---|
850 | #if USE_ASCII
|
---|
851 | ifstream inStream(fileName);
|
---|
852 | if (!inStream.is_open())
|
---|
853 | return false;
|
---|
854 |
|
---|
855 | string buf;
|
---|
856 | while (!(getline(inStream, buf)).eof())
|
---|
857 | {
|
---|
858 | sscanf(buf.c_str(), "%f %f %f %f %f %f %d %d",
|
---|
859 | &origin.x, &origin.y, &origin.z,
|
---|
860 | &termination.x, &termination.y, &termination.z,
|
---|
861 | &(sObj.mId), &(tObj.mId));
|
---|
862 |
|
---|
863 | Intersectable *sourceObj = NULL;
|
---|
864 | Intersectable *termObj = NULL;
|
---|
865 |
|
---|
866 | if (sObj.mId >= 0)
|
---|
867 | {
|
---|
868 | ObjectContainer::iterator oit =
|
---|
869 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
870 | sourceObj = *oit;
|
---|
871 | }
|
---|
872 |
|
---|
873 | if (tObj.mId >= 0)
|
---|
874 | {
|
---|
875 | ObjectContainer::iterator oit =
|
---|
876 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
877 | termObj = *oit;
|
---|
878 | }
|
---|
879 |
|
---|
880 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
881 | }
|
---|
882 | #else
|
---|
883 | ifstream inStream(fileName, ios::binary);
|
---|
884 | if (!inStream.is_open())
|
---|
885 | return false;
|
---|
886 |
|
---|
887 | while (1)
|
---|
888 | {
|
---|
889 | inStream.read(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
890 | inStream.read(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
891 | inStream.read(reinterpret_cast<char *>(&(sObj.mId)), sizeof(int));
|
---|
892 | inStream.read(reinterpret_cast<char *>(&(tObj.mId)), sizeof(int));
|
---|
893 |
|
---|
894 | if (inStream.eof())
|
---|
895 | break;
|
---|
896 |
|
---|
897 | Intersectable *sourceObj = NULL;
|
---|
898 | Intersectable *termObj = NULL;
|
---|
899 |
|
---|
900 | if (sObj.mId >= 0)
|
---|
901 | {
|
---|
902 | ObjectContainer::iterator oit =
|
---|
903 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
904 | sourceObj = *oit;
|
---|
905 | }
|
---|
906 |
|
---|
907 | if (tObj.mId >= 0)
|
---|
908 | {
|
---|
909 | ObjectContainer::iterator oit =
|
---|
910 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
911 | termObj = *oit;
|
---|
912 | }
|
---|
913 |
|
---|
914 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
915 | }
|
---|
916 | #endif
|
---|
917 |
|
---|
918 | inStream.close();
|
---|
919 |
|
---|
920 | return true;
|
---|
921 | }
|
---|
922 |
|
---|
923 |
|
---|
924 | bool Preprocessor::ExportSamples(const VssRayContainer &samples) const
|
---|
925 | {
|
---|
926 | char fileName[100];
|
---|
927 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
928 |
|
---|
929 |
|
---|
930 | VssRayContainer::const_iterator it, it_end = samples.end();
|
---|
931 |
|
---|
932 | #if USE_ASCII
|
---|
933 | ofstream samplesOut(fileName);
|
---|
934 | if (!samplesOut.is_open())
|
---|
935 | return false;
|
---|
936 |
|
---|
937 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
938 | {
|
---|
939 | VssRay *ray = *it;
|
---|
940 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
941 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
942 |
|
---|
943 | samplesOut << ray->GetOrigin().x << " " << ray->GetOrigin().y << " " << ray->GetOrigin().z << " "
|
---|
944 | << ray->GetTermination().x << " " << ray->GetTermination().y << " " << ray->GetTermination().z << " "
|
---|
945 | << sourceid << " " << termid << "\n";
|
---|
946 | }
|
---|
947 | #else
|
---|
948 | ofstream samplesOut(fileName, ios::binary);
|
---|
949 | if (!samplesOut.is_open())
|
---|
950 | return false;
|
---|
951 |
|
---|
952 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
953 | {
|
---|
954 | VssRay *ray = *it;
|
---|
955 | Vector3 origin(ray->GetOrigin());
|
---|
956 | Vector3 termination(ray->GetTermination());
|
---|
957 |
|
---|
958 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
959 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
960 |
|
---|
961 | samplesOut.write(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
962 | samplesOut.write(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
963 | samplesOut.write(reinterpret_cast<char *>(&sourceid), sizeof(int));
|
---|
964 | samplesOut.write(reinterpret_cast<char *>(&termid), sizeof(int));
|
---|
965 | }
|
---|
966 | #endif
|
---|
967 | samplesOut.close();
|
---|
968 |
|
---|
969 | return true;
|
---|
970 | }
|
---|
971 |
|
---|
972 |
|
---|
973 | int
|
---|
974 | Preprocessor::GenerateRays(const int number,
|
---|
975 | SamplingStrategy &strategy,
|
---|
976 | SimpleRayContainer &rays)
|
---|
977 | {
|
---|
978 | return strategy.GenerateSamples(number, rays);
|
---|
979 | }
|
---|
980 |
|
---|
981 |
|
---|
982 | int
|
---|
983 | Preprocessor::GenerateRays(const int number,
|
---|
984 | const int sampleType,
|
---|
985 | SimpleRayContainer &rays)
|
---|
986 | {
|
---|
987 | const int startSize = (int)rays.size();
|
---|
988 | SamplingStrategy *strategy = GenerateSamplingStrategy(sampleType);
|
---|
989 | int castRays = 0;
|
---|
990 |
|
---|
991 | if (!strategy)
|
---|
992 | {
|
---|
993 | return 0;
|
---|
994 | }
|
---|
995 |
|
---|
996 | #if 1
|
---|
997 | castRays = strategy->GenerateSamples(number, rays);
|
---|
998 | #else
|
---|
999 | GenerateRayBundle(rays, newRay, 16, 0);
|
---|
1000 | castRays += 16;
|
---|
1001 | #endif
|
---|
1002 |
|
---|
1003 | delete strategy;
|
---|
1004 | return castRays;
|
---|
1005 | }
|
---|
1006 |
|
---|
1007 |
|
---|
1008 | SamplingStrategy *Preprocessor::GenerateSamplingStrategy(const int strategyId)
|
---|
1009 | {
|
---|
1010 | switch (strategyId)
|
---|
1011 | {
|
---|
1012 | case SamplingStrategy::OBJECT_BASED_DISTRIBUTION:
|
---|
1013 | return new ObjectBasedDistribution(*this);
|
---|
1014 | case SamplingStrategy::OBJECT_DIRECTION_BASED_DISTRIBUTION:
|
---|
1015 | return new ObjectDirectionBasedDistribution(*this);
|
---|
1016 | case SamplingStrategy::DIRECTION_BASED_DISTRIBUTION:
|
---|
1017 | return new DirectionBasedDistribution(*this);
|
---|
1018 | case SamplingStrategy::DIRECTION_BOX_BASED_DISTRIBUTION:
|
---|
1019 | return new DirectionBoxBasedDistribution(*this);
|
---|
1020 | case SamplingStrategy::SPATIAL_BOX_BASED_DISTRIBUTION:
|
---|
1021 | return new SpatialBoxBasedDistribution(*this);
|
---|
1022 | case SamplingStrategy::REVERSE_OBJECT_BASED_DISTRIBUTION:
|
---|
1023 | return new ReverseObjectBasedDistribution(*this);
|
---|
1024 | case SamplingStrategy::VIEWCELL_BORDER_BASED_DISTRIBUTION:
|
---|
1025 | return new ViewCellBorderBasedDistribution(*this);
|
---|
1026 | case SamplingStrategy::VIEWSPACE_BORDER_BASED_DISTRIBUTION:
|
---|
1027 | return new ViewSpaceBorderBasedDistribution(*this);
|
---|
1028 | case SamplingStrategy::REVERSE_VIEWSPACE_BORDER_BASED_DISTRIBUTION:
|
---|
1029 | return new ReverseViewSpaceBorderBasedDistribution(*this);
|
---|
1030 | case SamplingStrategy::GLOBAL_LINES_DISTRIBUTION:
|
---|
1031 | return new GlobalLinesDistribution(*this);
|
---|
1032 |
|
---|
1033 | //case OBJECTS_INTERIOR_DISTRIBUTION:
|
---|
1034 | // return new ObjectsInteriorDistribution(*this);
|
---|
1035 | default: // no valid strategy
|
---|
1036 | Debug << "warning: no valid sampling strategy" << endl;
|
---|
1037 | return NULL;
|
---|
1038 | }
|
---|
1039 |
|
---|
1040 | return NULL; // should never come here
|
---|
1041 | }
|
---|
1042 |
|
---|
1043 |
|
---|
1044 | bool Preprocessor::LoadInternKdTree(const string &internKdTree)
|
---|
1045 | {
|
---|
1046 | bool mUseKdTree = true;
|
---|
1047 |
|
---|
1048 | if (!mUseKdTree) {
|
---|
1049 | // create just a dummy KdTree
|
---|
1050 | mKdTree = new KdTree;
|
---|
1051 | return true;
|
---|
1052 | }
|
---|
1053 |
|
---|
1054 | int rayCastMethod;
|
---|
1055 | Environment::GetSingleton()->
|
---|
1056 | GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
|
---|
1057 |
|
---|
1058 | if (rayCastMethod == 2) {
|
---|
1059 | //HavranRayCaster *hr =
|
---|
1060 | // dynamic_cast<HavranRayCaster*>(mRayCaster);
|
---|
1061 | HavranRayCaster *hr =
|
---|
1062 | reinterpret_cast<HavranRayCaster*>(mRayCaster);
|
---|
1063 | hr->Build(this->mObjects);
|
---|
1064 | return true;
|
---|
1065 | }
|
---|
1066 |
|
---|
1067 | // always try to load the kd tree
|
---|
1068 | cout << "loading kd tree file " << internKdTree << " ... " << endl;
|
---|
1069 |
|
---|
1070 | if (!LoadKdTree(internKdTree)) {
|
---|
1071 | cout << "error loading kd tree with filename "
|
---|
1072 | << internKdTree << ", rebuilding it instead ... " << endl;
|
---|
1073 | // build new kd tree from scene geometry
|
---|
1074 | BuildKdTree();
|
---|
1075 |
|
---|
1076 | // export kd tree?
|
---|
1077 | const long startTime = GetTime();
|
---|
1078 | cout << "exporting kd tree ... ";
|
---|
1079 |
|
---|
1080 | if (!ExportKdTree(internKdTree))
|
---|
1081 | {
|
---|
1082 | cout << " error exporting kd tree with filename "
|
---|
1083 | << internKdTree << endl;
|
---|
1084 | }
|
---|
1085 | else
|
---|
1086 | {
|
---|
1087 | cout << "finished in "
|
---|
1088 | << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
1089 | << " secs" << endl;
|
---|
1090 | }
|
---|
1091 | }
|
---|
1092 |
|
---|
1093 | KdTreeStatistics(cout);
|
---|
1094 | cout << mKdTree->GetBox() << endl;
|
---|
1095 |
|
---|
1096 | return true;
|
---|
1097 | }
|
---|
1098 |
|
---|
1099 |
|
---|
1100 | bool Preprocessor::InitRayCast(const string &externKdTree,
|
---|
1101 | const string &internKdTree)
|
---|
1102 | {
|
---|
1103 | // always try to load the kd tree
|
---|
1104 | /* cout << "loading kd tree file " << internKdTree << " ... " << endl;
|
---|
1105 |
|
---|
1106 | if (!LoadKdTree(internKdTree))
|
---|
1107 | {
|
---|
1108 | cout << "error loading kd tree with filename "
|
---|
1109 | << internKdTree << ", rebuilding it instead ... " << endl;
|
---|
1110 | // build new kd tree from scene geometry
|
---|
1111 | BuildKdTree();
|
---|
1112 |
|
---|
1113 | // export kd tree?
|
---|
1114 | const long startTime = GetTime();
|
---|
1115 | cout << "exporting kd tree ... ";
|
---|
1116 |
|
---|
1117 | if (!ExportKdTree(internKdTree))
|
---|
1118 | {
|
---|
1119 | cout << " error exporting kd tree with filename "
|
---|
1120 | << internKdTree << endl;
|
---|
1121 | }
|
---|
1122 | else
|
---|
1123 | {
|
---|
1124 | cout << "finished in "
|
---|
1125 | << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
1126 | << " secs" << endl;
|
---|
1127 | }
|
---|
1128 | }
|
---|
1129 |
|
---|
1130 | KdTreeStatistics(cout);
|
---|
1131 | cout << mKdTree->GetBox() << endl;
|
---|
1132 | */
|
---|
1133 | int rayCastMethod;
|
---|
1134 | Environment::GetSingleton()->
|
---|
1135 | GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
|
---|
1136 |
|
---|
1137 | if (rayCastMethod == 0)
|
---|
1138 | {
|
---|
1139 | cout << "ray cast method: internal" << endl;
|
---|
1140 | mRayCaster = new InternalRayCaster(*this);
|
---|
1141 | }
|
---|
1142 | if (rayCastMethod == 1)
|
---|
1143 | {
|
---|
1144 | #ifdef GTP_INTERNAL
|
---|
1145 | cout << "ray cast method: intel" << endl;
|
---|
1146 | mRayCaster = new IntelRayCaster(*this, externKdTree);
|
---|
1147 | #endif
|
---|
1148 | }
|
---|
1149 | if (rayCastMethod == 2)
|
---|
1150 | {
|
---|
1151 | cout << "ray cast method: havran" << endl;
|
---|
1152 | mRayCaster = new HavranRayCaster(*this);
|
---|
1153 | }
|
---|
1154 |
|
---|
1155 | /////////////////
|
---|
1156 | //-- reserve constant block of rays
|
---|
1157 |
|
---|
1158 | // hack: If we dont't use view cells loading, there must be at least as much rays
|
---|
1159 | // as are needed for the view cells construction
|
---|
1160 | bool loadViewCells;
|
---|
1161 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", loadViewCells);
|
---|
1162 |
|
---|
1163 | int reserveRays;
|
---|
1164 | int constructionSamples;
|
---|
1165 |
|
---|
1166 | if (!loadViewCells)
|
---|
1167 | {
|
---|
1168 | cout << "hack: setting ray pool size to view cell construction or evaluation size" << endl;
|
---|
1169 |
|
---|
1170 | constructionSamples = 1000000;
|
---|
1171 |
|
---|
1172 | char buf[100];
|
---|
1173 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
1174 |
|
---|
1175 | if (strcmp(buf, "vspBspTree") == 0)
|
---|
1176 | {
|
---|
1177 | Environment::GetSingleton()->GetIntValue("VspBspTree.Construction.samples", constructionSamples);
|
---|
1178 |
|
---|
1179 | }
|
---|
1180 | else if (strcmp(buf, "vspOspTree") == 0)
|
---|
1181 | {
|
---|
1182 | Environment::GetSingleton()->GetIntValue("Hierarchy.Construction.samples", constructionSamples);
|
---|
1183 | }
|
---|
1184 |
|
---|
1185 | int evalSamplesPerPass;
|
---|
1186 |
|
---|
1187 | Environment::GetSingleton()->GetIntValue("ViewCells.Evaluation.samplesPerPass", evalSamplesPerPass);
|
---|
1188 |
|
---|
1189 | reserveRays = max(constructionSamples, evalSamplesPerPass);
|
---|
1190 | reserveRays *= 2;
|
---|
1191 | }
|
---|
1192 | else
|
---|
1193 | {
|
---|
1194 | cout << "setting ray pool size to samples per pass" << endl;
|
---|
1195 | reserveRays = mSamplesPerPass * 2;
|
---|
1196 | }
|
---|
1197 |
|
---|
1198 | cout << "======================" << endl;
|
---|
1199 | cout << "reserving " << reserveRays << " rays " << endl;
|
---|
1200 | mRayCaster->ReserveVssRayPool(reserveRays);
|
---|
1201 |
|
---|
1202 | return true;
|
---|
1203 | }
|
---|
1204 |
|
---|
1205 |
|
---|
1206 | void
|
---|
1207 | Preprocessor::CastRays(
|
---|
1208 | SimpleRayContainer &rays,
|
---|
1209 | VssRayContainer &vssRays,
|
---|
1210 | const bool castDoubleRays,
|
---|
1211 | const bool pruneInvalidRays
|
---|
1212 | )
|
---|
1213 | {
|
---|
1214 |
|
---|
1215 | const long t1 = GetTime();
|
---|
1216 |
|
---|
1217 | if (rays.size() > 10000)
|
---|
1218 | {
|
---|
1219 |
|
---|
1220 | mRayCaster->SortRays(rays);
|
---|
1221 | cout<<"Rays sorted in "<<TimeDiff(t1, GetTime())<<" ms."<<endl;
|
---|
1222 | }
|
---|
1223 |
|
---|
1224 |
|
---|
1225 | if (mUseHwGlobalLines)
|
---|
1226 | {
|
---|
1227 | CastRaysWithHwGlobalLines(
|
---|
1228 | rays,
|
---|
1229 | vssRays,
|
---|
1230 | castDoubleRays,
|
---|
1231 | pruneInvalidRays
|
---|
1232 | );
|
---|
1233 | }
|
---|
1234 | else
|
---|
1235 | {
|
---|
1236 | mRayCaster->CastRays(
|
---|
1237 | rays,
|
---|
1238 | vssRays,
|
---|
1239 | mViewCellsManager->GetViewSpaceBox(),
|
---|
1240 | castDoubleRays,
|
---|
1241 | pruneInvalidRays);
|
---|
1242 | }
|
---|
1243 |
|
---|
1244 | if (rays.size() > 10000)
|
---|
1245 | {
|
---|
1246 | cout << endl;
|
---|
1247 | long t2 = GetTime();
|
---|
1248 |
|
---|
1249 | #if SHOW_RAYCAST_TIMING
|
---|
1250 | if (castDoubleRays)
|
---|
1251 | cout << 2 * rays.size() / (1e3f * TimeDiff(t1, t2)) << "M rays/s" << endl;
|
---|
1252 | else
|
---|
1253 | cout << rays.size() / (1e3f * TimeDiff(t1, t2)) << "M rays/s" << endl;
|
---|
1254 | #endif
|
---|
1255 | }
|
---|
1256 | cerr<<"Deternmining PVS objects"<<endl;
|
---|
1257 | DeterminePvsObjects(vssRays);
|
---|
1258 | }
|
---|
1259 |
|
---|
1260 |
|
---|
1261 | void
|
---|
1262 | Preprocessor::CastRaysWithHwGlobalLines(
|
---|
1263 | SimpleRayContainer &rays,
|
---|
1264 | VssRayContainer &vssRays,
|
---|
1265 | const bool castDoubleRays,
|
---|
1266 | const bool pruneInvalidRays)
|
---|
1267 | {
|
---|
1268 | SimpleRayContainer::const_iterator rit, rit_end = rays.end();
|
---|
1269 | SimpleRayContainer rayBucket;
|
---|
1270 | int i = 0;
|
---|
1271 | for (rit = rays.begin(); rit != rit_end; ++ rit, ++ i)
|
---|
1272 | {
|
---|
1273 | SimpleRay ray = *rit;
|
---|
1274 | #ifdef USE_CG
|
---|
1275 | // HACK: global lines must be treated special
|
---|
1276 | if (ray.mDistribution == SamplingStrategy::HW_GLOBAL_LINES_DISTRIBUTION)
|
---|
1277 | {
|
---|
1278 | mGlobalLinesRenderer->CastGlobalLines(ray, vssRays);
|
---|
1279 | continue;
|
---|
1280 | }
|
---|
1281 | #endif
|
---|
1282 | rayBucket.push_back(ray);
|
---|
1283 |
|
---|
1284 | // 16 rays gathered => do ray casting
|
---|
1285 | if (rayBucket.size() >= 16)
|
---|
1286 | {
|
---|
1287 | mRayCaster->CastRays16(
|
---|
1288 | rayBucket,
|
---|
1289 | vssRays,
|
---|
1290 | mViewCellsManager->GetViewSpaceBox(),
|
---|
1291 | castDoubleRays,
|
---|
1292 | pruneInvalidRays);
|
---|
1293 |
|
---|
1294 | rayBucket.clear();
|
---|
1295 | }
|
---|
1296 |
|
---|
1297 | if (rays.size() > 100000 && i % 100000 == 0)
|
---|
1298 | cout<<"\r"<<i<<"/"<<(int)rays.size()<<"\r";
|
---|
1299 | }
|
---|
1300 |
|
---|
1301 | // cast rest of rays
|
---|
1302 | SimpleRayContainer::const_iterator sit, sit_end = rayBucket.end();
|
---|
1303 |
|
---|
1304 | for (sit = rayBucket.begin(); sit != sit_end; ++ sit)
|
---|
1305 | {
|
---|
1306 | SimpleRay ray = *sit;
|
---|
1307 |
|
---|
1308 | #ifdef USE_CG
|
---|
1309 | // HACK: global lines must be treated special
|
---|
1310 | if (ray.mDistribution == SamplingStrategy::HW_GLOBAL_LINES_DISTRIBUTION)
|
---|
1311 | {
|
---|
1312 | mGlobalLinesRenderer->CastGlobalLines(ray, vssRays);
|
---|
1313 | continue;
|
---|
1314 | }
|
---|
1315 | #endif
|
---|
1316 | mRayCaster->CastRay(
|
---|
1317 | ray,
|
---|
1318 | vssRays,
|
---|
1319 | mViewCellsManager->GetViewSpaceBox(),
|
---|
1320 | castDoubleRays,
|
---|
1321 | pruneInvalidRays);
|
---|
1322 |
|
---|
1323 | }
|
---|
1324 |
|
---|
1325 | }
|
---|
1326 |
|
---|
1327 |
|
---|
1328 | bool Preprocessor::GenerateRayBundle(SimpleRayContainer &rayBundle,
|
---|
1329 | const SimpleRay &mainRay,
|
---|
1330 | const int number,
|
---|
1331 | const int pertubType) const
|
---|
1332 | {
|
---|
1333 | rayBundle.push_back(mainRay);
|
---|
1334 |
|
---|
1335 | const float pertubOrigin = 0.0f;
|
---|
1336 | const float pertubDir = 0.2f;
|
---|
1337 |
|
---|
1338 | for (int i = 0; i < number - 1; ++ i)
|
---|
1339 | {
|
---|
1340 | Vector3 pertub;
|
---|
1341 |
|
---|
1342 | pertub.x = RandomValue(0.0f, pertubDir);
|
---|
1343 | pertub.y = RandomValue(0.0f, pertubDir);
|
---|
1344 | pertub.z = RandomValue(0.0f, pertubDir);
|
---|
1345 |
|
---|
1346 | const Vector3 newDir = mainRay.mDirection + pertub;
|
---|
1347 | //const Vector3 newDir = mainRay.mDirection;
|
---|
1348 |
|
---|
1349 | pertub.x = RandomValue(0.0f, pertubOrigin);
|
---|
1350 | pertub.y = RandomValue(0.0f, pertubOrigin);
|
---|
1351 | pertub.z = RandomValue(0.0f, pertubOrigin);
|
---|
1352 |
|
---|
1353 | const Vector3 newOrigin = mainRay.mOrigin + pertub;
|
---|
1354 | //const Vector3 newOrigin = mainRay.mOrigin;
|
---|
1355 |
|
---|
1356 | rayBundle.push_back(SimpleRay(newOrigin, newDir, 0, 1.0f));
|
---|
1357 | }
|
---|
1358 |
|
---|
1359 | return true;
|
---|
1360 | }
|
---|
1361 |
|
---|
1362 |
|
---|
1363 | void Preprocessor::SetupRay(Ray &ray,
|
---|
1364 | const Vector3 &point,
|
---|
1365 | const Vector3 &direction) const
|
---|
1366 | {
|
---|
1367 | ray.Clear();
|
---|
1368 | // do not store anything else then intersections at the ray
|
---|
1369 | ray.Init(point, direction, Ray::LOCAL_RAY);
|
---|
1370 | }
|
---|
1371 |
|
---|
1372 |
|
---|
1373 | void Preprocessor::EvalViewCellHistogram()
|
---|
1374 | {
|
---|
1375 | char filename[256];
|
---|
1376 | Environment::GetSingleton()->GetStringValue("Preprocessor.histogram.file", filename);
|
---|
1377 |
|
---|
1378 | // mViewCellsManager->EvalViewCellHistogram(filename, 1000000);
|
---|
1379 | mViewCellsManager->EvalViewCellHistogramForPvsSize(filename, 1000000);
|
---|
1380 | }
|
---|
1381 |
|
---|
1382 |
|
---|
1383 | bool
|
---|
1384 | Preprocessor::ExportRays(const char *filename,
|
---|
1385 | const VssRayContainer &vssRays,
|
---|
1386 | const int number,
|
---|
1387 | const bool exportScene
|
---|
1388 | )
|
---|
1389 | {
|
---|
1390 | cout<<"Exporting vss rays..."<<endl<<flush;
|
---|
1391 |
|
---|
1392 | Exporter *exporter = NULL;
|
---|
1393 | exporter = Exporter::GetExporter(filename);
|
---|
1394 |
|
---|
1395 | if (0) {
|
---|
1396 | exporter->SetWireframe();
|
---|
1397 | exporter->ExportKdTree(*mKdTree);
|
---|
1398 | }
|
---|
1399 |
|
---|
1400 | exporter->SetFilled();
|
---|
1401 | // $$JB temporarily do not export the scene
|
---|
1402 | if (exportScene)
|
---|
1403 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
1404 |
|
---|
1405 | exporter->SetWireframe();
|
---|
1406 |
|
---|
1407 | if (1) {
|
---|
1408 | exporter->SetForcedMaterial(RgbColor(1,0,1));
|
---|
1409 | exporter->ExportBox(mViewCellsManager->GetViewSpaceBox());
|
---|
1410 | exporter->ResetForcedMaterial();
|
---|
1411 | }
|
---|
1412 |
|
---|
1413 | VssRayContainer rays;
|
---|
1414 | vssRays.SelectRays(number, rays);
|
---|
1415 | exporter->ExportRays(rays, RgbColor(1, 0, 0));
|
---|
1416 | delete exporter;
|
---|
1417 | cout<<"done."<<endl<<flush;
|
---|
1418 |
|
---|
1419 | return true;
|
---|
1420 | }
|
---|
1421 |
|
---|
1422 | bool
|
---|
1423 | Preprocessor::ExportRayAnimation(const char *filename,
|
---|
1424 | const vector<VssRayContainer> &vssRays
|
---|
1425 | )
|
---|
1426 | {
|
---|
1427 | cout<<"Exporting vss rays..."<<endl<<flush;
|
---|
1428 |
|
---|
1429 | Exporter *exporter = NULL;
|
---|
1430 | exporter = Exporter::GetExporter(filename);
|
---|
1431 | if (0) {
|
---|
1432 | exporter->SetWireframe();
|
---|
1433 | exporter->ExportKdTree(*mKdTree);
|
---|
1434 | }
|
---|
1435 | exporter->SetFilled();
|
---|
1436 | // $$JB temporarily do not export the scene
|
---|
1437 | if (0)
|
---|
1438 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
1439 | exporter->SetWireframe();
|
---|
1440 |
|
---|
1441 | if (1) {
|
---|
1442 | exporter->SetForcedMaterial(RgbColor(1,0,1));
|
---|
1443 | exporter->ExportBox(mViewCellsManager->GetViewSpaceBox());
|
---|
1444 | exporter->ResetForcedMaterial();
|
---|
1445 | }
|
---|
1446 |
|
---|
1447 | exporter->ExportRaySets(vssRays, RgbColor(1, 0, 0));
|
---|
1448 |
|
---|
1449 | delete exporter;
|
---|
1450 |
|
---|
1451 | cout<<"done."<<endl<<flush;
|
---|
1452 |
|
---|
1453 | return true;
|
---|
1454 | }
|
---|
1455 |
|
---|
1456 | void
|
---|
1457 | Preprocessor::ComputeRenderError()
|
---|
1458 | {
|
---|
1459 | // compute rendering error
|
---|
1460 |
|
---|
1461 | if (renderer && renderer->mPvsStatFrames) {
|
---|
1462 | // emit EvalPvsStat();
|
---|
1463 | // QMutex mutex;
|
---|
1464 | // mutex.lock();
|
---|
1465 | // renderer->mRenderingFinished.wait(&mutex);
|
---|
1466 | // mutex.unlock();
|
---|
1467 |
|
---|
1468 | if (mViewCellsManager->GetViewCellPoints()->size()) {
|
---|
1469 |
|
---|
1470 | vector<ViewCellPoints *> *vcPoints = mViewCellsManager->GetViewCellPoints();
|
---|
1471 |
|
---|
1472 | vector<ViewCellPoints *>::const_iterator
|
---|
1473 | vit = vcPoints->begin(),
|
---|
1474 | vit_end = vcPoints->end();
|
---|
1475 |
|
---|
1476 | SimpleRayContainer viewPoints;
|
---|
1477 |
|
---|
1478 | for (; vit != vit_end; ++ vit) {
|
---|
1479 | ViewCellPoints *vp = *vit;
|
---|
1480 |
|
---|
1481 | SimpleRayContainer::const_iterator rit = vp->second.begin(), rit_end = vp->second.end();
|
---|
1482 | for (; rit!=rit_end; ++rit)
|
---|
1483 | viewPoints.push_back(*rit);
|
---|
1484 | }
|
---|
1485 |
|
---|
1486 | if (viewPoints.size() != renderer->mPvsErrorBuffer.size()) {
|
---|
1487 | renderer->mPvsErrorBuffer.resize(viewPoints.size());
|
---|
1488 | renderer->ClearErrorBuffer();
|
---|
1489 | }
|
---|
1490 |
|
---|
1491 | renderer->EvalPvsStat(viewPoints);
|
---|
1492 | } else
|
---|
1493 | renderer->EvalPvsStat();
|
---|
1494 |
|
---|
1495 | mStats <<
|
---|
1496 | "#AvgPvsRenderError\n" <<renderer->mPvsStat.GetAvgError()<<endl<<
|
---|
1497 | "#AvgPixelError\n" <<renderer->GetAvgPixelError()<<endl<<
|
---|
1498 | "#MaxPixelError\n" <<renderer->GetMaxPixelError()<<endl<<
|
---|
1499 | "#MaxPvsRenderError\n" <<renderer->mPvsStat.GetMaxError()<<endl<<
|
---|
1500 | "#ErrorFreeFrames\n" <<renderer->mPvsStat.GetErrorFreeFrames()<<endl<<
|
---|
1501 | "#AvgRenderPvs\n" <<renderer->mPvsStat.GetAvgPvs()<<endl;
|
---|
1502 | }
|
---|
1503 | }
|
---|
1504 |
|
---|
1505 |
|
---|
1506 | Intersectable *Preprocessor::GetObjectById(const int id)
|
---|
1507 | {
|
---|
1508 | #if 1
|
---|
1509 | // create a dummy mesh instance to be able to use stl
|
---|
1510 | MeshInstance object(NULL);
|
---|
1511 | object.SetId(id);
|
---|
1512 |
|
---|
1513 | ObjectContainer::const_iterator oit =
|
---|
1514 | lower_bound(mObjects.begin(), mObjects.end(), &object, ilt);
|
---|
1515 |
|
---|
1516 | // objects sorted by id
|
---|
1517 | if ((oit != mObjects.end()) && ((*oit)->GetId() == object.GetId()))
|
---|
1518 | {
|
---|
1519 | return (*oit);
|
---|
1520 | }
|
---|
1521 | else
|
---|
1522 | {
|
---|
1523 | return NULL;
|
---|
1524 | }
|
---|
1525 | #else
|
---|
1526 | return mObjects[id - 1];
|
---|
1527 | #endif
|
---|
1528 | }
|
---|
1529 |
|
---|
1530 |
|
---|
1531 | void Preprocessor::PrepareHwGlobalLines()
|
---|
1532 | {
|
---|
1533 | int texHeight, texWidth;
|
---|
1534 | float eps;
|
---|
1535 | int maxDepth;
|
---|
1536 | bool sampleReverse;
|
---|
1537 |
|
---|
1538 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.texHeight", texHeight);
|
---|
1539 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.texWidth", texWidth);
|
---|
1540 | Environment::GetSingleton()->GetFloatValue("Preprocessor.HwGlobalLines.stepSize", eps);
|
---|
1541 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.maxDepth", maxDepth);
|
---|
1542 | Environment::GetSingleton()->GetBoolValue("Preprocessor.HwGlobalLines.sampleReverse", sampleReverse);
|
---|
1543 |
|
---|
1544 | Debug << "****** hw global line options *******" << endl;
|
---|
1545 | Debug << "texWidth: " << texWidth << endl;
|
---|
1546 | Debug << "texHeight: " << texHeight << endl;
|
---|
1547 | Debug << "sampleReverse: " << sampleReverse << endl;
|
---|
1548 | Debug << "max depth: " << maxDepth << endl;
|
---|
1549 | Debug << "step size: " << eps << endl;
|
---|
1550 | Debug << endl;
|
---|
1551 |
|
---|
1552 | #ifdef USE_CG
|
---|
1553 | globalLinesRenderer = mGlobalLinesRenderer =
|
---|
1554 | new GlobalLinesRenderer(this,
|
---|
1555 | texHeight,
|
---|
1556 | texWidth,
|
---|
1557 | eps,
|
---|
1558 | maxDepth,
|
---|
1559 | sampleReverse);
|
---|
1560 |
|
---|
1561 | mGlobalLinesRenderer->InitGl();
|
---|
1562 |
|
---|
1563 | #endif
|
---|
1564 | }
|
---|
1565 |
|
---|
1566 |
|
---|
1567 | void Preprocessor::DeterminePvsObjects(VssRayContainer &rays)
|
---|
1568 | {
|
---|
1569 | mViewCellsManager->DeterminePvsObjects(rays, false);
|
---|
1570 | }
|
---|
1571 |
|
---|
1572 |
|
---|
1573 | bool Preprocessor::LoadObjects(const string &filename,
|
---|
1574 | ObjectContainer &pvsObjects,
|
---|
1575 | const ObjectContainer &preprocessorObjects)
|
---|
1576 | {
|
---|
1577 | ObjectsParser parser;
|
---|
1578 |
|
---|
1579 | const bool success = parser.ParseObjects(filename,
|
---|
1580 | pvsObjects,
|
---|
1581 | preprocessorObjects);
|
---|
1582 |
|
---|
1583 | if (!success)
|
---|
1584 | {
|
---|
1585 | Debug << "Error: loading objects failed!" << endl;
|
---|
1586 | }
|
---|
1587 |
|
---|
1588 | // hack: no bvh object could be found => take preprocessor objects
|
---|
1589 | if (pvsObjects.empty())
|
---|
1590 | {
|
---|
1591 | Debug << "no objects" << endl;
|
---|
1592 | pvsObjects = preprocessorObjects;
|
---|
1593 | }
|
---|
1594 |
|
---|
1595 | return success;
|
---|
1596 | }
|
---|
1597 |
|
---|
1598 |
|
---|
1599 | }
|
---|