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 | #include "SepPlanesBox3.h"
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28 |
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29 |
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30 | #define DEBUG_RAYCAST 0
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31 | #define SHOW_RAYCAST_TIMING 1
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32 |
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33 | using namespace std;
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34 |
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35 | namespace GtpVisibilityPreprocessor {
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36 |
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37 |
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38 | static int sCurrentDynamicId = 0;
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39 |
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40 |
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41 | inline static bool ilt(Intersectable *obj1, Intersectable *obj2)
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42 | {
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43 | return obj1->mId < obj2->mId;
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44 | }
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45 |
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46 |
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47 | Preprocessor *preprocessor = NULL;
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48 |
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49 |
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50 | Preprocessor::Preprocessor():
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51 | mKdTree(NULL),
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52 | mBspTree(NULL),
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53 | mVspBspTree(NULL),
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54 | mViewCellsManager(NULL),
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55 | mRenderSimulator(NULL),
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56 | mPass(0),
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57 | mSceneGraph(NULL),
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58 | mRayCaster(NULL),
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59 | mStopComputation(false),
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60 | mThread(NULL),
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61 | mGlobalLinesRenderer(NULL),
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62 | mUseHwGlobalLines(false),
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63 | mTotalRaysCast(0),
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64 | mSynchronize(false)
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65 | {
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66 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlRenderer", mUseGlRenderer);
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67 |
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68 | // renderer will be constructed when the scene graph and viewcell manager will be known
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69 | renderer = NULL;
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70 |
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71 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlDebugger", mUseGlDebugger);
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72 | Environment::GetSingleton()->GetBoolValue("Preprocessor.loadMeshes", mLoadMeshes);
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73 | Environment::GetSingleton()->GetBoolValue("Preprocessor.quitOnFinish", mQuitOnFinish);
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74 | Environment::GetSingleton()->GetBoolValue("Preprocessor.computeVisibility", mComputeVisibility);
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75 | Environment::GetSingleton()->GetBoolValue("Preprocessor.detectEmptyViewSpace", mDetectEmptyViewSpace);
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76 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportVisibility", mExportVisibility );
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77 |
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78 | char buffer[256];
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79 | Environment::GetSingleton()->GetStringValue("Preprocessor.visibilityFile", buffer);
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80 | mVisibilityFileName = buffer;
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81 |
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82 | Environment::GetSingleton()->GetStringValue("Preprocessor.stats", buffer);
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83 | mStats.open(buffer);
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84 |
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85 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilityFilter", mApplyVisibilityFilter);
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86 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilitySpatialFilter",
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87 | mApplyVisibilitySpatialFilter );
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88 | Environment::GetSingleton()->GetFloatValue("Preprocessor.visibilityFilterWidth", mVisibilityFilterWidth);
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89 |
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90 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportObj", mExportObj);
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91 |
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92 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useViewSpaceBox", mUseViewSpaceBox);
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93 |
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94 | Environment::GetSingleton()->GetBoolValue("Preprocessor.Export.rays", mExportRays);
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95 | Environment::GetSingleton()->GetBoolValue("Preprocessor.Export.animation", mExportAnimation);
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96 | Environment::GetSingleton()->GetIntValue("Preprocessor.Export.numRays", mExportNumRays);
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97 |
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98 | Environment::GetSingleton()->GetIntValue("Preprocessor.samplesPerPass", mSamplesPerPass);
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99 | Environment::GetSingleton()->GetIntValue("Preprocessor.totalSamples", mTotalSamples);
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100 | Environment::GetSingleton()->GetIntValue("Preprocessor.totalTime", mTotalTime);
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101 | Environment::GetSingleton()->GetIntValue("Preprocessor.samplesPerEvaluation",
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102 | mSamplesPerEvaluation);
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103 |
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104 | Debug << "******* Preprocessor Options **********" << endl;
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105 | Debug << "detect empty view space=" << mDetectEmptyViewSpace << endl;
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106 | Debug << "load meshes: " << mLoadMeshes << endl;
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107 | Debug << "load meshes: " << mLoadMeshes << endl;
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108 | Debug << "export obj: " << mExportObj << endl;
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109 | Debug << "use view space box: " << mUseViewSpaceBox << endl;
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110 |
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111 | cout << "samples per pass " << mSamplesPerPass << endl;
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112 | }
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113 |
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114 |
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115 | Preprocessor::~Preprocessor()
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116 | {
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117 | cout << "cleaning up" << endl;
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118 |
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119 | cout << "Deleting view cells manager ... \n";
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120 | DEL_PTR(mViewCellsManager);
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121 | cout << "done.\n";
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122 |
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123 | cout << "Deleting bsp tree ... \n";
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124 | DEL_PTR(mBspTree);
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125 | cout << "done.\n";
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126 |
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127 | cout << "Deleting kd tree ...\n";
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128 | DEL_PTR(mKdTree);
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129 | cout << "done.\n";
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130 |
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131 | cout << "Deleting vspbsp tree ... \n";
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132 | DEL_PTR(mVspBspTree);
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133 | cout << "done.\n";
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134 |
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135 | cout << "Deleting scene graph ... \n";
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136 | DEL_PTR(mSceneGraph);
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137 | cout << "done.\n";
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138 |
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139 | cout << "deleting render simulator ... \n";
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140 | DEL_PTR(mRenderSimulator);
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141 | mRenderSimulator = NULL;
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142 |
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143 | cout << "deleting renderer ... \n";
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144 | DEL_PTR(renderer);
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145 | renderer = NULL;
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146 |
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147 | cout << "deleting ray caster ... \n";
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148 | DEL_PTR(mRayCaster);
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149 |
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150 | #ifdef USE_CG
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151 | cout << "deleting global lines renderer ... \n";
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152 | DEL_PTR(mGlobalLinesRenderer);
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153 | #endif
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154 | cout << "finished" << endl;
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155 | }
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156 |
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157 |
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158 | GlRendererBuffer *Preprocessor::GetRenderer()
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159 | {
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160 | return renderer;
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161 | }
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162 |
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163 |
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164 |
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165 |
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166 | void Preprocessor::SetThread(PreprocessorThread *t)
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167 | {
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168 | mThread = t;
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169 | }
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170 |
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171 |
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172 | PreprocessorThread *Preprocessor::GetThread() const
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173 | {
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174 | return mThread;
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175 | }
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176 |
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177 |
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178 | bool Preprocessor::LoadBinaryObj(const string &filename,
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179 | SceneGraphLeaf *root,
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180 | vector<FaceParentInfo> *parents,
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181 | float scale)
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182 | {
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183 | //ifstream inStream(filename, ios::binary);
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184 | igzstream inStream(filename.c_str());
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185 |
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186 | if (!inStream.is_open())
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187 | return false;
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188 |
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189 | cout << "binary obj dump available, loading " << filename.c_str() << endl;
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190 |
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191 | // read in triangle size
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192 | int numTriangles;
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193 |
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194 | const int t = 500000;
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195 | inStream.read(reinterpret_cast<char *>(&numTriangles), sizeof(int));
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196 | root->mGeometry.reserve(numTriangles);
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197 | cout << "loading " << numTriangles << " triangles (" << numTriangles *
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198 | (sizeof(TriangleIntersectable) + sizeof(TriangleIntersectable *)) /
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199 | (1024 * 1024) << " MB)" << endl;
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200 |
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201 | int i = 0;
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202 |
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203 | while (1)
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204 | {
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205 | Triangle3 tri;
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206 |
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207 | inStream.read(reinterpret_cast<char *>(tri.mVertices + 0), sizeof(Vector3));
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208 | inStream.read(reinterpret_cast<char *>(tri.mVertices + 1), sizeof(Vector3));
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209 | inStream.read(reinterpret_cast<char *>(tri.mVertices + 2), sizeof(Vector3));
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210 |
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211 | if (scale > 0.0f)
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212 | {
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213 | tri.mVertices[0] *= scale;
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214 | tri.mVertices[1] *= scale;
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215 | tri.mVertices[2] *= scale;
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216 | }
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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 ++) % t == t)
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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, SceneGraphLeaf *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 |
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333 |
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334 | Intersectable *Preprocessor::GetParentObject(int index) const
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335 | {
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336 | if (index < 0)
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337 | {
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338 | //cerr << "Warning: triangle index smaller zero! " << index << endl;
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339 | return NULL;
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340 | }
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341 |
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342 | if (!mFaceParents.empty())
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343 | {
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344 | if (index >= (int)mFaceParents.size())
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345 | {
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346 | cerr << "Warning: triangle index out of range! " << index << endl;
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347 | return NULL;
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348 | }
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349 | else
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350 | {
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351 | return mFaceParents[index].mObject;
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352 | }
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353 | }
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354 | else
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355 | {
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356 | return mObjects[index];
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357 | }
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358 | }
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359 |
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360 |
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361 | Vector3 Preprocessor::GetParentNormal(const int index) const
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362 | {
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363 | if (!mFaceParents.empty())
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364 | {
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365 | return mFaceParents[index].mObject->GetNormal(mFaceParents[index].mFaceIndex);
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366 | }
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367 | else
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368 | {
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369 | return mObjects[index]->GetNormal(0);
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370 | }
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371 | }
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372 |
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373 |
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374 | bool
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375 | Preprocessor::LoadScene(const string &filename)
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376 | {
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377 | // use leaf nodes of the original spatial hierarchy as occludees
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378 | mSceneGraph = new SceneGraph;
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379 |
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380 | Parser *parser;
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381 | vector<string> filenames;
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382 | const int files = SplitFilenames(filename, filenames);
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383 | cout << "number of input files: " << files << endl;
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384 |
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385 | bool result = false;
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386 | bool isObj = false;
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387 |
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388 | // root for different files
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389 | mSceneGraph->SetRoot(new SceneGraphInterior());
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390 |
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391 | // intel ray caster can only trace triangles
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392 | int rayCastMethod;
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393 | Environment::GetSingleton()->GetIntValue("Preprocessor.rayCastMethod",
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394 | rayCastMethod);
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395 |
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396 | vector<FaceParentInfo> *fi =
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397 | ((rayCastMethod == RayCaster::INTEL_RAYCASTER ||
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398 | rayCastMethod == RayCaster::HAVRAN_RAYCASTER
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399 | ) && mLoadMeshes) ?
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400 | &mFaceParents : NULL;
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401 |
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402 | if (files == 1)
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403 | {
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404 | SceneGraphLeaf *leaf = new SceneGraphLeaf();
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405 |
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406 | if (strstr(filename.c_str(), ".x3d"))
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407 | {
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408 | parser = new X3dParser;
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409 |
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410 | result = parser->ParseFile(filename,
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411 | leaf,
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412 | mLoadMeshes,
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413 | fi);
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414 | delete parser;
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415 | }
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416 | else if (strstr(filename.c_str(), ".ply") || strstr(filename.c_str(), ".plb"))
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417 | {
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418 | parser = new PlyParser;
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419 |
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420 | result = parser->ParseFile(filename,
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421 | leaf,
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422 | mLoadMeshes,
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423 | fi);
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424 | delete parser;
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425 | }
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426 | else if (strstr(filename.c_str(), ".obj"))
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427 | {
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428 | isObj = true;
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429 |
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430 | // hack: load binary dump
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431 | const string bnFile = ReplaceSuffix(filename, ".obj", ".bn");
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432 |
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433 | if (!mLoadMeshes)
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434 | {
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435 | result = LoadBinaryObj(bnFile, leaf, fi);
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436 | }
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437 |
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438 | // parse obj
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439 | if (!result)
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440 | {
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441 | cout << "no binary dump available or loading full meshes, parsing file" << endl;
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442 | parser = new ObjParser;
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443 |
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444 | result = parser->ParseFile(filename, leaf, mLoadMeshes, fi);
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445 |
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446 | cout << "loaded " << (int)leaf->mGeometry.size() << " entities" << endl;
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447 |
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448 | // only works for triangles
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449 | if (result && !mLoadMeshes)
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450 | {
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451 | cout << "exporting binary obj to " << bnFile << "... " << endl;
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452 |
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453 | ExportBinaryObj(bnFile, leaf);
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454 |
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455 | cout << "finished" << endl;
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456 | }
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457 |
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458 | delete parser;
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459 | }
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460 | }
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461 | else
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462 | {
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463 | parser = new UnigraphicsParser;
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464 | result = parser->ParseFile(filename, leaf, mLoadMeshes, fi);
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465 | delete parser;
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466 | }
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467 |
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468 | if (result)
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469 | {
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470 | mSceneGraph->GetRoot()->mChildren.push_back(leaf);
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471 | }
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472 |
|
---|
473 | cout << filename << endl;
|
---|
474 | }
|
---|
475 | else
|
---|
476 | {
|
---|
477 | vector<string>::const_iterator fit, fit_end = filenames.end();
|
---|
478 |
|
---|
479 | for (fit = filenames.begin(); fit != fit_end; ++ fit)
|
---|
480 | {
|
---|
481 | const string filename = *fit;
|
---|
482 |
|
---|
483 | cout << "parsing file " << filename.c_str() << endl;
|
---|
484 | if (strstr(filename.c_str(), ".x3d"))
|
---|
485 | parser = new X3dParser;
|
---|
486 | else
|
---|
487 | parser = new UnigraphicsParser;
|
---|
488 |
|
---|
489 | SceneGraphLeaf *node = new SceneGraphLeaf();
|
---|
490 |
|
---|
491 | const bool success =
|
---|
492 | parser->ParseFile(filename, node, mLoadMeshes, fi);
|
---|
493 |
|
---|
494 | if (success)
|
---|
495 | {
|
---|
496 | mSceneGraph->GetRoot()->mChildren.push_back(node);
|
---|
497 | result = true; // at least one file parsed
|
---|
498 | }
|
---|
499 |
|
---|
500 | // temporare hack
|
---|
501 | //if (!strstr(filename.c_str(), "plane")) mSceneGraph->GetRoot()->UpdateBox();
|
---|
502 |
|
---|
503 | delete parser;
|
---|
504 | }
|
---|
505 | }
|
---|
506 |
|
---|
507 | if (result)
|
---|
508 | {
|
---|
509 | int intersectables, faces;
|
---|
510 | mSceneGraph->GetStatistics(intersectables, faces);
|
---|
511 |
|
---|
512 | cout<<filename<<" parsed successfully."<<endl;
|
---|
513 | cout<<"#NUM_OBJECTS (Total numner of objects)\n"<<intersectables<<endl;
|
---|
514 | cout<<"#NUM_FACES (Total numner of faces)\n"<<faces<<endl;
|
---|
515 |
|
---|
516 | mObjects.reserve(intersectables);
|
---|
517 | mSceneGraph->CollectObjects(mObjects);
|
---|
518 |
|
---|
519 | mSceneGraph->AssignObjectIds();
|
---|
520 |
|
---|
521 | mSceneGraph->GetRoot()->UpdateBox();
|
---|
522 |
|
---|
523 | cout << "finished loading" << endl;
|
---|
524 | }
|
---|
525 |
|
---|
526 | return result;
|
---|
527 | }
|
---|
528 |
|
---|
529 | bool
|
---|
530 | Preprocessor::ExportPreprocessedData(const string &filename)
|
---|
531 | {
|
---|
532 | mViewCellsManager->ExportViewCells(filename, true, mObjects);
|
---|
533 | return true;
|
---|
534 | }
|
---|
535 |
|
---|
536 |
|
---|
537 | bool
|
---|
538 | Preprocessor::PostProcessVisibility()
|
---|
539 | {
|
---|
540 |
|
---|
541 | if (mApplyVisibilityFilter || mApplyVisibilitySpatialFilter) {
|
---|
542 | cout<<"Applying visibility filter ...";
|
---|
543 | cout<<"filter width = " << mVisibilityFilterWidth << endl;
|
---|
544 |
|
---|
545 | if (!mViewCellsManager)
|
---|
546 | return false;
|
---|
547 |
|
---|
548 |
|
---|
549 | mViewCellsManager->ApplyFilter(mKdTree,
|
---|
550 | mApplyVisibilityFilter ?
|
---|
551 | mVisibilityFilterWidth : -1.0f,
|
---|
552 | mApplyVisibilitySpatialFilter ?
|
---|
553 | mVisibilityFilterWidth : -1.0f);
|
---|
554 | cout << "done." << endl;
|
---|
555 | }
|
---|
556 |
|
---|
557 | // export the preprocessed information to a file
|
---|
558 | if (1 && mExportVisibility)
|
---|
559 | {
|
---|
560 | ExportPreprocessedData(mVisibilityFileName);
|
---|
561 | }
|
---|
562 |
|
---|
563 | return true;
|
---|
564 | }
|
---|
565 |
|
---|
566 |
|
---|
567 | bool
|
---|
568 | Preprocessor::BuildKdTree()
|
---|
569 | {
|
---|
570 | mKdTree = new KdTree;
|
---|
571 |
|
---|
572 | // add mesh instances of the scene graph to the root of the tree
|
---|
573 | KdLeaf *root = (KdLeaf *)mKdTree->GetRoot();
|
---|
574 |
|
---|
575 | mSceneGraph->CollectObjects(root->mObjects);
|
---|
576 |
|
---|
577 | const long startTime = GetTime();
|
---|
578 | cout << "building kd tree ... " << endl;
|
---|
579 |
|
---|
580 | mKdTree->Construct();
|
---|
581 | sceneBox = mKdTree->GetBox();
|
---|
582 |
|
---|
583 | cout << "finished kd tree construction in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
584 | << " secs " << endl;
|
---|
585 |
|
---|
586 | return true;
|
---|
587 | }
|
---|
588 |
|
---|
589 |
|
---|
590 | void
|
---|
591 | Preprocessor::KdTreeStatistics(ostream &s)
|
---|
592 | {
|
---|
593 | s<<mKdTree->GetStatistics();
|
---|
594 | }
|
---|
595 |
|
---|
596 | void
|
---|
597 | Preprocessor::BspTreeStatistics(ostream &s)
|
---|
598 | {
|
---|
599 | s << mBspTree->GetStatistics();
|
---|
600 | }
|
---|
601 |
|
---|
602 | bool
|
---|
603 | Preprocessor::Export( const string &filename,
|
---|
604 | const bool scene,
|
---|
605 | const bool kdtree
|
---|
606 | )
|
---|
607 | {
|
---|
608 | Exporter *exporter = Exporter::GetExporter(filename);
|
---|
609 |
|
---|
610 | if (exporter) {
|
---|
611 | if (2 && scene)
|
---|
612 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
613 |
|
---|
614 | if (1 && kdtree) {
|
---|
615 | exporter->SetWireframe();
|
---|
616 | exporter->ExportKdTree(*mKdTree);
|
---|
617 | }
|
---|
618 |
|
---|
619 | delete exporter;
|
---|
620 | return true;
|
---|
621 | }
|
---|
622 |
|
---|
623 | return false;
|
---|
624 | }
|
---|
625 |
|
---|
626 |
|
---|
627 | bool Preprocessor::PrepareViewCells()
|
---|
628 | {
|
---|
629 | #if 0
|
---|
630 | // load the view cells assigning the found objects to the pvss
|
---|
631 | cerr << "loading binary view cells" << endl;
|
---|
632 | ViewCellsManager *dummyViewCellsManager =
|
---|
633 | LoadViewCellsBinary("test.vc", mObjects, false, NULL);
|
---|
634 |
|
---|
635 | //cerr << "reexporting the binary view cells" << endl;
|
---|
636 | //dummyViewCellsManager->ExportViewCellsBinary("outvc.xml.gz", true, mObjects);
|
---|
637 |
|
---|
638 | return false;
|
---|
639 | #endif
|
---|
640 |
|
---|
641 | ///////
|
---|
642 | //-- parse view cells construction method
|
---|
643 |
|
---|
644 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", mLoadViewCells);
|
---|
645 | char buf[100];
|
---|
646 |
|
---|
647 | if (mLoadViewCells)
|
---|
648 | {
|
---|
649 |
|
---|
650 | #ifdef USE_BIT_PVS
|
---|
651 | // HACK: for kd pvs, set pvs size to maximal number of kd nodes
|
---|
652 | vector<KdLeaf *> leaves;
|
---|
653 | preprocessor->mKdTree->CollectLeaves(leaves);
|
---|
654 |
|
---|
655 | ObjectPvs::SetPvsSize((int)leaves.size());
|
---|
656 | #endif
|
---|
657 |
|
---|
658 | Environment::GetSingleton()->GetStringValue("ViewCells.filename", buf);
|
---|
659 | cout << "loading objects from " << buf << endl;
|
---|
660 |
|
---|
661 | // load scene objects which are the entities used as pvs entries
|
---|
662 | ObjectContainer pvsObjects;
|
---|
663 | if (1) LoadObjects(buf, pvsObjects, mObjects);
|
---|
664 |
|
---|
665 | const bool finalizeViewCells = true;
|
---|
666 | cout << "loading view cells from " << buf << endl;
|
---|
667 |
|
---|
668 | mViewCellsManager = ViewCellsManager::LoadViewCells(buf,
|
---|
669 | pvsObjects,
|
---|
670 | mObjects,
|
---|
671 | finalizeViewCells,
|
---|
672 | NULL);
|
---|
673 |
|
---|
674 | cout << "view cells loaded." << endl<<flush;
|
---|
675 |
|
---|
676 | if (!mViewCellsManager)
|
---|
677 | {
|
---|
678 | cerr << "no view cells manager could be loaded" << endl;
|
---|
679 | return false;
|
---|
680 | }
|
---|
681 | }
|
---|
682 | else
|
---|
683 | {
|
---|
684 | // parse type of view cells manager
|
---|
685 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
686 | mViewCellsManager = CreateViewCellsManager(buf);
|
---|
687 |
|
---|
688 | // default view space is the extent of the scene
|
---|
689 | AxisAlignedBox3 viewSpaceBox;
|
---|
690 |
|
---|
691 | if (mUseViewSpaceBox)
|
---|
692 | {
|
---|
693 | viewSpaceBox = mSceneGraph->GetBox();
|
---|
694 |
|
---|
695 | // use a small box outside of the scene
|
---|
696 | viewSpaceBox.Scale(Vector3(0.15f, 0.3f, 0.5f));
|
---|
697 | //viewSpaceBox.Translate(Vector3(Magnitude(mSceneGraph->GetBox().Size()) * 0.5f, 0, 0));
|
---|
698 | viewSpaceBox.Translate(Vector3(Magnitude(mSceneGraph->GetBox().Size()) * 0.3f, 0, 0));
|
---|
699 | mViewCellsManager->SetViewSpaceBox(viewSpaceBox);
|
---|
700 | }
|
---|
701 | else
|
---|
702 | {
|
---|
703 | viewSpaceBox = mSceneGraph->GetBox();
|
---|
704 | mViewCellsManager->SetViewSpaceBox(viewSpaceBox);
|
---|
705 | }
|
---|
706 |
|
---|
707 | bool loadVcGeometry;
|
---|
708 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadGeometry", loadVcGeometry);
|
---|
709 |
|
---|
710 | bool extrudeBaseTriangles;
|
---|
711 | Environment::GetSingleton()->GetBoolValue("ViewCells.useBaseTrianglesAsGeometry", extrudeBaseTriangles);
|
---|
712 |
|
---|
713 | char vcGeomFilename[100];
|
---|
714 | Environment::GetSingleton()->GetStringValue("ViewCells.geometryFilename", vcGeomFilename);
|
---|
715 |
|
---|
716 | // create view cells from specified geometry
|
---|
717 | if (loadVcGeometry)
|
---|
718 | {
|
---|
719 | if (mViewCellsManager->GetType() == ViewCellsManager::BSP)
|
---|
720 | {
|
---|
721 | if (!mViewCellsManager->LoadViewCellsGeometry(vcGeomFilename, extrudeBaseTriangles))
|
---|
722 | cerr << "loading view cells geometry failed" << endl;
|
---|
723 | }
|
---|
724 | else
|
---|
725 | {
|
---|
726 | cerr << "loading view cells geometry is not implemented for this manager" << endl;
|
---|
727 | }
|
---|
728 | }
|
---|
729 | }
|
---|
730 |
|
---|
731 |
|
---|
732 | ////////
|
---|
733 | //-- evaluation of render cost heuristics
|
---|
734 |
|
---|
735 | float objRenderCost = 0, vcOverhead = 0, moveSpeed = 0;
|
---|
736 |
|
---|
737 | Environment::GetSingleton()->GetFloatValue("Simulation.objRenderCost",objRenderCost);
|
---|
738 | Environment::GetSingleton()->GetFloatValue("Simulation.vcOverhead", vcOverhead);
|
---|
739 | Environment::GetSingleton()->GetFloatValue("Simulation.moveSpeed", moveSpeed);
|
---|
740 |
|
---|
741 | mRenderSimulator =
|
---|
742 | new RenderSimulator(mViewCellsManager, objRenderCost, vcOverhead, moveSpeed);
|
---|
743 |
|
---|
744 | mViewCellsManager->SetRenderer(mRenderSimulator);
|
---|
745 | mViewCellsManager->SetPreprocessor(this);
|
---|
746 |
|
---|
747 | return true;
|
---|
748 | }
|
---|
749 |
|
---|
750 |
|
---|
751 | bool Preprocessor::ConstructViewCells()
|
---|
752 | {
|
---|
753 | // construct view cells using it's own set of samples
|
---|
754 | mViewCellsManager->Construct(this);
|
---|
755 |
|
---|
756 | // visualizations and statistics
|
---|
757 | Debug << "finished view cells:" << endl;
|
---|
758 | mViewCellsManager->PrintStatistics(Debug);
|
---|
759 |
|
---|
760 | return true;
|
---|
761 | }
|
---|
762 |
|
---|
763 |
|
---|
764 | ViewCellsManager *Preprocessor::CreateViewCellsManager(const char *name)
|
---|
765 | {
|
---|
766 | ViewCellsTree *vcTree = new ViewCellsTree;
|
---|
767 |
|
---|
768 | if (strcmp(name, "kdTree") == 0)
|
---|
769 | {
|
---|
770 | mViewCellsManager = new KdViewCellsManager(vcTree, mKdTree);
|
---|
771 | }
|
---|
772 | else if (strcmp(name, "bspTree") == 0)
|
---|
773 | {
|
---|
774 | Debug << "view cell type: Bsp" << endl;
|
---|
775 |
|
---|
776 | mBspTree = new BspTree();
|
---|
777 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
778 | }
|
---|
779 | else if (strcmp(name, "vspBspTree") == 0)
|
---|
780 | {
|
---|
781 | Debug << "view cell type: VspBsp" << endl;
|
---|
782 |
|
---|
783 | mVspBspTree = new VspBspTree();
|
---|
784 | mViewCellsManager = new VspBspViewCellsManager(vcTree, mVspBspTree);
|
---|
785 | }
|
---|
786 | else if (strcmp(name, "vspOspTree") == 0)
|
---|
787 | {
|
---|
788 | Debug << "view cell type: VspOsp" << endl;
|
---|
789 | char buf[100];
|
---|
790 | Environment::GetSingleton()->GetStringValue("Hierarchy.type", buf);
|
---|
791 |
|
---|
792 | mViewCellsManager = new VspOspViewCellsManager(vcTree, buf);
|
---|
793 | }
|
---|
794 | else if (strcmp(name, "sceneDependent") == 0) //TODO
|
---|
795 | {
|
---|
796 | Debug << "view cell type: Bsp" << endl;
|
---|
797 |
|
---|
798 | mBspTree = new BspTree();
|
---|
799 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
800 | }
|
---|
801 | else
|
---|
802 | {
|
---|
803 | cerr << "Wrong view cells type " << name << "!!!" << endl;
|
---|
804 | exit(1);
|
---|
805 | }
|
---|
806 |
|
---|
807 | return mViewCellsManager;
|
---|
808 | }
|
---|
809 |
|
---|
810 |
|
---|
811 | // use ascii format to store rays
|
---|
812 | #define USE_ASCII 0
|
---|
813 |
|
---|
814 |
|
---|
815 | bool Preprocessor::LoadKdTree(const string &filename)
|
---|
816 | {
|
---|
817 | mKdTree = new KdTree();
|
---|
818 | return mKdTree->ImportBinTree(filename.c_str(), mObjects);
|
---|
819 | }
|
---|
820 |
|
---|
821 |
|
---|
822 | bool Preprocessor::ExportKdTree(const string &filename)
|
---|
823 | {
|
---|
824 | return mKdTree->ExportBinTree(filename.c_str());
|
---|
825 | }
|
---|
826 |
|
---|
827 |
|
---|
828 | bool Preprocessor::LoadSamples(VssRayContainer &samples,
|
---|
829 | ObjectContainer &objects) const
|
---|
830 | {
|
---|
831 | std::stable_sort(objects.begin(), objects.end(), ilt);
|
---|
832 | char fileName[100];
|
---|
833 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
834 |
|
---|
835 | Vector3 origin, termination;
|
---|
836 | // HACK: needed only for lower_bound algorithm to find the intersected objects
|
---|
837 | MeshInstance sObj(NULL);
|
---|
838 | MeshInstance tObj(NULL);
|
---|
839 |
|
---|
840 | #if USE_ASCII
|
---|
841 | ifstream inStream(fileName);
|
---|
842 | if (!inStream.is_open())
|
---|
843 | return false;
|
---|
844 |
|
---|
845 | string buf;
|
---|
846 | while (!(getline(inStream, buf)).eof())
|
---|
847 | {
|
---|
848 | sscanf(buf.c_str(), "%f %f %f %f %f %f %d %d",
|
---|
849 | &origin.x, &origin.y, &origin.z,
|
---|
850 | &termination.x, &termination.y, &termination.z,
|
---|
851 | &(sObj.mId), &(tObj.mId));
|
---|
852 |
|
---|
853 | Intersectable *sourceObj = NULL;
|
---|
854 | Intersectable *termObj = NULL;
|
---|
855 |
|
---|
856 | if (sObj.mId >= 0)
|
---|
857 | {
|
---|
858 | ObjectContainer::iterator oit =
|
---|
859 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
860 | sourceObj = *oit;
|
---|
861 | }
|
---|
862 |
|
---|
863 | if (tObj.mId >= 0)
|
---|
864 | {
|
---|
865 | ObjectContainer::iterator oit =
|
---|
866 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
867 | termObj = *oit;
|
---|
868 | }
|
---|
869 |
|
---|
870 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
871 | }
|
---|
872 | #else
|
---|
873 | ifstream inStream(fileName, ios::binary);
|
---|
874 | if (!inStream.is_open())
|
---|
875 | return false;
|
---|
876 |
|
---|
877 | while (1)
|
---|
878 | {
|
---|
879 | inStream.read(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
880 | inStream.read(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
881 | inStream.read(reinterpret_cast<char *>(&(sObj.mId)), sizeof(int));
|
---|
882 | inStream.read(reinterpret_cast<char *>(&(tObj.mId)), sizeof(int));
|
---|
883 |
|
---|
884 | if (inStream.eof())
|
---|
885 | break;
|
---|
886 |
|
---|
887 | Intersectable *sourceObj = NULL;
|
---|
888 | Intersectable *termObj = NULL;
|
---|
889 |
|
---|
890 | if (sObj.mId >= 0)
|
---|
891 | {
|
---|
892 | ObjectContainer::iterator oit =
|
---|
893 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
894 | sourceObj = *oit;
|
---|
895 | }
|
---|
896 |
|
---|
897 | if (tObj.mId >= 0)
|
---|
898 | {
|
---|
899 | ObjectContainer::iterator oit =
|
---|
900 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
901 | termObj = *oit;
|
---|
902 | }
|
---|
903 |
|
---|
904 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
905 | }
|
---|
906 | #endif
|
---|
907 |
|
---|
908 | inStream.close();
|
---|
909 |
|
---|
910 | return true;
|
---|
911 | }
|
---|
912 |
|
---|
913 |
|
---|
914 | bool Preprocessor::ExportSamples(const VssRayContainer &samples) const
|
---|
915 | {
|
---|
916 | char fileName[100];
|
---|
917 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
918 |
|
---|
919 |
|
---|
920 | VssRayContainer::const_iterator it, it_end = samples.end();
|
---|
921 |
|
---|
922 | #if USE_ASCII
|
---|
923 | ofstream samplesOut(fileName);
|
---|
924 | if (!samplesOut.is_open())
|
---|
925 | return false;
|
---|
926 |
|
---|
927 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
928 | {
|
---|
929 | VssRay *ray = *it;
|
---|
930 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
931 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
932 |
|
---|
933 | samplesOut << ray->GetOrigin().x << " " << ray->GetOrigin().y << " " << ray->GetOrigin().z << " "
|
---|
934 | << ray->GetTermination().x << " " << ray->GetTermination().y << " " << ray->GetTermination().z << " "
|
---|
935 | << sourceid << " " << termid << "\n";
|
---|
936 | }
|
---|
937 | #else
|
---|
938 | ofstream samplesOut(fileName, ios::binary);
|
---|
939 | if (!samplesOut.is_open())
|
---|
940 | return false;
|
---|
941 |
|
---|
942 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
943 | {
|
---|
944 | VssRay *ray = *it;
|
---|
945 | Vector3 origin(ray->GetOrigin());
|
---|
946 | Vector3 termination(ray->GetTermination());
|
---|
947 |
|
---|
948 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
949 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
950 |
|
---|
951 | samplesOut.write(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
952 | samplesOut.write(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
953 | samplesOut.write(reinterpret_cast<char *>(&sourceid), sizeof(int));
|
---|
954 | samplesOut.write(reinterpret_cast<char *>(&termid), sizeof(int));
|
---|
955 | }
|
---|
956 | #endif
|
---|
957 | samplesOut.close();
|
---|
958 |
|
---|
959 | return true;
|
---|
960 | }
|
---|
961 |
|
---|
962 |
|
---|
963 | int
|
---|
964 | Preprocessor::GenerateRays(const int number,
|
---|
965 | SamplingStrategy &strategy,
|
---|
966 | SimpleRayContainer &rays)
|
---|
967 | {
|
---|
968 | return strategy.GenerateSamples(number, rays);
|
---|
969 | }
|
---|
970 |
|
---|
971 |
|
---|
972 | int
|
---|
973 | Preprocessor::GenerateRays(const int number,
|
---|
974 | const int sampleType,
|
---|
975 | SimpleRayContainer &rays)
|
---|
976 | {
|
---|
977 | const int startSize = (int)rays.size();
|
---|
978 | SamplingStrategy *strategy = GenerateSamplingStrategy(sampleType);
|
---|
979 | int castRays = 0;
|
---|
980 |
|
---|
981 | if (!strategy)
|
---|
982 | {
|
---|
983 | return 0;
|
---|
984 | }
|
---|
985 |
|
---|
986 | #if 1
|
---|
987 | castRays = strategy->GenerateSamples(number, rays);
|
---|
988 | #else
|
---|
989 | GenerateRayBundle(rays, newRay, 16, 0);
|
---|
990 | castRays += 16;
|
---|
991 | #endif
|
---|
992 |
|
---|
993 | delete strategy;
|
---|
994 | return castRays;
|
---|
995 | }
|
---|
996 |
|
---|
997 |
|
---|
998 | SamplingStrategy *Preprocessor::GenerateSamplingStrategy(const int strategyId)
|
---|
999 | {
|
---|
1000 | switch (strategyId)
|
---|
1001 | {
|
---|
1002 | case SamplingStrategy::OBJECT_BASED_DISTRIBUTION:
|
---|
1003 | return new ObjectBasedDistribution(*this);
|
---|
1004 | case SamplingStrategy::OBJECT_DIRECTION_BASED_DISTRIBUTION:
|
---|
1005 | return new ObjectDirectionBasedDistribution(*this);
|
---|
1006 | case SamplingStrategy::DIRECTION_BASED_DISTRIBUTION:
|
---|
1007 | return new DirectionBasedDistribution(*this);
|
---|
1008 | case SamplingStrategy::DIRECTION_BOX_BASED_DISTRIBUTION:
|
---|
1009 | return new DirectionBoxBasedDistribution(*this);
|
---|
1010 | case SamplingStrategy::SPATIAL_BOX_BASED_DISTRIBUTION:
|
---|
1011 | return new SpatialBoxBasedDistribution(*this);
|
---|
1012 | case SamplingStrategy::REVERSE_OBJECT_BASED_DISTRIBUTION:
|
---|
1013 | return new ReverseObjectBasedDistribution(*this);
|
---|
1014 | //case SamplingStrategy::VIEWCELL_BORDER_BASED_DISTRIBUTION:
|
---|
1015 | // return new ViewCellBorderBasedDistribution(*this);
|
---|
1016 | case SamplingStrategy::REVERSE_VIEWSPACE_BORDER_BASED_DISTRIBUTION:
|
---|
1017 | return new ReverseViewSpaceBorderBasedDistribution(*this);
|
---|
1018 | case SamplingStrategy::GLOBAL_LINES_DISTRIBUTION:
|
---|
1019 | return new GlobalLinesDistribution(*this);
|
---|
1020 |
|
---|
1021 | //case OBJECTS_INTERIOR_DISTRIBUTION:
|
---|
1022 | // return new ObjectsInteriorDistribution(*this);
|
---|
1023 | default: // no valid strategy
|
---|
1024 | Debug << "warning: no valid sampling strategy" << endl;
|
---|
1025 | return NULL;
|
---|
1026 | }
|
---|
1027 |
|
---|
1028 | return NULL; // should never come here
|
---|
1029 | }
|
---|
1030 |
|
---|
1031 |
|
---|
1032 | bool Preprocessor::LoadInternKdTree(const string &internKdTree)
|
---|
1033 | {
|
---|
1034 | bool mUseKdTree = true;
|
---|
1035 |
|
---|
1036 |
|
---|
1037 | int rayCastMethod;
|
---|
1038 | Environment::GetSingleton()->
|
---|
1039 | GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
|
---|
1040 |
|
---|
1041 | #ifdef USE_HAVRAN_RAYCASTER
|
---|
1042 |
|
---|
1043 | if ((rayCastMethod == 2) || (rayCastMethod == 3))
|
---|
1044 | {
|
---|
1045 | HavranRayCaster *hr = 0;
|
---|
1046 |
|
---|
1047 | if (rayCastMethod == 3)
|
---|
1048 | hr = reinterpret_cast<HavranDynRayCaster*>(mRayCaster);
|
---|
1049 | else
|
---|
1050 | hr = reinterpret_cast<HavranRayCaster*>(mRayCaster);
|
---|
1051 |
|
---|
1052 | hr->Build(this->mObjects);
|
---|
1053 | }
|
---|
1054 |
|
---|
1055 | #endif
|
---|
1056 |
|
---|
1057 |
|
---|
1058 | if (!mUseKdTree) {
|
---|
1059 | // create just a dummy KdTree
|
---|
1060 | mKdTree = new KdTree;
|
---|
1061 | return true;
|
---|
1062 | }
|
---|
1063 |
|
---|
1064 |
|
---|
1065 |
|
---|
1066 | // always try to load the kd tree
|
---|
1067 | cout << "loading kd tree file " << internKdTree << " ... " << endl;
|
---|
1068 |
|
---|
1069 | if (!LoadKdTree(internKdTree)) {
|
---|
1070 | cout << "error loading kd tree with filename "
|
---|
1071 | << internKdTree << ", rebuilding it instead ... " << endl;
|
---|
1072 | // build new kd tree from scene geometry
|
---|
1073 | BuildKdTree();
|
---|
1074 |
|
---|
1075 | // export kd tree?
|
---|
1076 | const long startTime = GetTime();
|
---|
1077 | cout << "exporting kd tree ... ";
|
---|
1078 |
|
---|
1079 | if (!ExportKdTree(internKdTree))
|
---|
1080 | {
|
---|
1081 | cout << " error exporting kd tree with filename "
|
---|
1082 | << internKdTree << endl;
|
---|
1083 | }
|
---|
1084 | else
|
---|
1085 | {
|
---|
1086 | cout << "finished in "
|
---|
1087 | << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
1088 | << " secs" << endl;
|
---|
1089 | }
|
---|
1090 | }
|
---|
1091 |
|
---|
1092 | KdTreeStatistics(cout);
|
---|
1093 | sceneBox = mKdTree->GetBox();
|
---|
1094 |
|
---|
1095 | cout << mKdTree->GetBox() << endl;
|
---|
1096 |
|
---|
1097 | return true;
|
---|
1098 | }
|
---|
1099 |
|
---|
1100 |
|
---|
1101 | bool Preprocessor::InitRayCast(const string &externKdTree,
|
---|
1102 | const string &internKdTree)
|
---|
1103 | {
|
---|
1104 | int rayCastMethod;
|
---|
1105 | Environment::GetSingleton()->
|
---|
1106 | GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
|
---|
1107 |
|
---|
1108 | if (rayCastMethod == 0)
|
---|
1109 | {
|
---|
1110 | cout << "ray cast method: internal" << endl;
|
---|
1111 | mRayCaster = new InternalRayCaster(*this);
|
---|
1112 | }
|
---|
1113 | if (rayCastMethod == 1)
|
---|
1114 | {
|
---|
1115 | #ifdef GTP_INTERNAL
|
---|
1116 | cout << "ray cast method: intel" << endl;
|
---|
1117 | mRayCaster = new IntelRayCaster(*this, externKdTree);
|
---|
1118 | #endif
|
---|
1119 | }
|
---|
1120 | if (rayCastMethod == 2)
|
---|
1121 | {
|
---|
1122 | #ifdef USE_HAVRAN_RAYCASTER
|
---|
1123 | cout << "ray cast method: havran" << endl <<flush;
|
---|
1124 | mRayCaster = new GALIGN16 HavranRayCaster(*this);
|
---|
1125 | #endif
|
---|
1126 | }
|
---|
1127 | if (rayCastMethod == 3)
|
---|
1128 | {
|
---|
1129 | #ifdef USE_HAVRAN_RAYCASTER
|
---|
1130 | cout << "ray cast method: havran - dyn" << endl <<flush;
|
---|
1131 | mRayCaster = new GALIGN16 HavranDynRayCaster(*this);
|
---|
1132 | #endif
|
---|
1133 | }
|
---|
1134 |
|
---|
1135 |
|
---|
1136 | /////////////////
|
---|
1137 | //-- reserve constant block of rays
|
---|
1138 |
|
---|
1139 | // hack: If we dont't use view cells loading, there must be at least as much rays
|
---|
1140 | // as are needed for the view cells construction
|
---|
1141 | bool loadViewCells;
|
---|
1142 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", loadViewCells);
|
---|
1143 |
|
---|
1144 | int reserveRays;
|
---|
1145 | int constructionSamples;
|
---|
1146 |
|
---|
1147 | if (!loadViewCells)
|
---|
1148 | {
|
---|
1149 | cout << "hack: setting ray pool size to view cell construction or evaluation size" << endl;
|
---|
1150 |
|
---|
1151 | constructionSamples = 1000000;
|
---|
1152 |
|
---|
1153 | char buf[100];
|
---|
1154 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
1155 |
|
---|
1156 | if (strcmp(buf, "vspBspTree") == 0)
|
---|
1157 | {
|
---|
1158 | Environment::GetSingleton()->GetIntValue("VspBspTree.Construction.samples", constructionSamples);
|
---|
1159 |
|
---|
1160 | }
|
---|
1161 | else if (strcmp(buf, "vspOspTree") == 0)
|
---|
1162 | {
|
---|
1163 | Environment::GetSingleton()->GetIntValue("Hierarchy.Construction.samples", constructionSamples);
|
---|
1164 | }
|
---|
1165 |
|
---|
1166 | int evalSamplesPerPass;
|
---|
1167 |
|
---|
1168 | Environment::GetSingleton()->GetIntValue("ViewCells.Evaluation.samplesPerPass", evalSamplesPerPass);
|
---|
1169 |
|
---|
1170 | reserveRays = max(constructionSamples, evalSamplesPerPass);
|
---|
1171 | reserveRays *= 2;
|
---|
1172 | }
|
---|
1173 | else
|
---|
1174 | {
|
---|
1175 | const int n = 4;
|
---|
1176 | cout << "hack: setting ray pool size to multiple " << n << " of samples per pass" << endl;
|
---|
1177 | reserveRays = mSamplesPerPass * n;
|
---|
1178 | }
|
---|
1179 |
|
---|
1180 | cout << "======================" << endl;
|
---|
1181 | cout << "reserving " << reserveRays << " rays " << endl;
|
---|
1182 | mRayCaster->ReserveVssRayPool(reserveRays);
|
---|
1183 | cout<<"done."<<endl<<flush;
|
---|
1184 | return true;
|
---|
1185 | }
|
---|
1186 |
|
---|
1187 |
|
---|
1188 | void
|
---|
1189 | Preprocessor::CastRays(
|
---|
1190 | SimpleRayContainer &rays,
|
---|
1191 | VssRayContainer &vssRays,
|
---|
1192 | const bool castDoubleRays,
|
---|
1193 | const bool pruneInvalidRays
|
---|
1194 | )
|
---|
1195 | {
|
---|
1196 | const long t1 = GetTime();
|
---|
1197 |
|
---|
1198 | // !!!!!!!!!!!!!!!! VH no sorting
|
---|
1199 | if (
|
---|
1200 | rays.size() > 10000
|
---|
1201 | )
|
---|
1202 | {
|
---|
1203 | mRayCaster->SortRays(rays);
|
---|
1204 | cout<<"Rays sorted in "<<TimeDiff(t1, GetTime())<<" ms."<<endl;
|
---|
1205 | }
|
---|
1206 |
|
---|
1207 | int numTransformed = 0;
|
---|
1208 |
|
---|
1209 |
|
---|
1210 | if (mUseHwGlobalLines)
|
---|
1211 | {
|
---|
1212 | CastRaysWithHwGlobalLines(
|
---|
1213 | rays,
|
---|
1214 | vssRays,
|
---|
1215 | castDoubleRays,
|
---|
1216 | pruneInvalidRays
|
---|
1217 | );
|
---|
1218 | }
|
---|
1219 | else
|
---|
1220 | {
|
---|
1221 | mRayCaster->CastRays(
|
---|
1222 | rays,
|
---|
1223 | vssRays,
|
---|
1224 | mViewCellsManager->GetViewSpaceBox(),
|
---|
1225 | castDoubleRays,
|
---|
1226 | pruneInvalidRays);
|
---|
1227 |
|
---|
1228 | // disabled not neccessary
|
---|
1229 | UpdateDynamicObjects();
|
---|
1230 | }
|
---|
1231 |
|
---|
1232 |
|
---|
1233 | if (rays.size() > 10000)
|
---|
1234 | {
|
---|
1235 | cout << endl;
|
---|
1236 | long t2 = GetTime();
|
---|
1237 |
|
---|
1238 | #if SHOW_RAYCAST_TIMING
|
---|
1239 | if (castDoubleRays)
|
---|
1240 | cout << 2 * rays.size() / (1e3f * TimeDiff(t1, t2)) << "M double rays/s" << endl;
|
---|
1241 | else
|
---|
1242 | cout << rays.size() / (1e3f * TimeDiff(t1, t2)) << "M single rays/s" << endl;
|
---|
1243 | #endif
|
---|
1244 |
|
---|
1245 | }
|
---|
1246 |
|
---|
1247 | DeterminePvsObjects(vssRays);
|
---|
1248 | }
|
---|
1249 |
|
---|
1250 |
|
---|
1251 | void
|
---|
1252 | Preprocessor::CastRaysWithHwGlobalLines(
|
---|
1253 | SimpleRayContainer &rays,
|
---|
1254 | VssRayContainer &vssRays,
|
---|
1255 | const bool castDoubleRays,
|
---|
1256 | const bool pruneInvalidRays)
|
---|
1257 | {
|
---|
1258 | SimpleRayContainer::const_iterator rit, rit_end = rays.end();
|
---|
1259 | SimpleRayContainer rayBucket;
|
---|
1260 | int i = 0;
|
---|
1261 | for (rit = rays.begin(); rit != rit_end; ++ rit, ++ i)
|
---|
1262 | {
|
---|
1263 | SimpleRay ray = *rit;
|
---|
1264 | #ifdef USE_CG
|
---|
1265 | // HACK: global lines must be treated special
|
---|
1266 | if (ray.mDistribution == SamplingStrategy::HW_GLOBAL_LINES_DISTRIBUTION)
|
---|
1267 | {
|
---|
1268 | mGlobalLinesRenderer->CastGlobalLines(ray, vssRays);
|
---|
1269 | continue;
|
---|
1270 | }
|
---|
1271 | #endif
|
---|
1272 | rayBucket.push_back(ray);
|
---|
1273 |
|
---|
1274 | // 16 rays gathered => do ray casting
|
---|
1275 | if (rayBucket.size() >= 16)
|
---|
1276 | {
|
---|
1277 | mRayCaster->CastRays16(
|
---|
1278 | rayBucket,
|
---|
1279 | vssRays,
|
---|
1280 | mViewCellsManager->GetViewSpaceBox(),
|
---|
1281 | castDoubleRays,
|
---|
1282 | pruneInvalidRays);
|
---|
1283 |
|
---|
1284 | rayBucket.clear();
|
---|
1285 | }
|
---|
1286 |
|
---|
1287 | if (rays.size() > 100000 && i % 100000 == 0)
|
---|
1288 | cout<<"\r"<<i<<"/"<<(int)rays.size()<<"\r";
|
---|
1289 | }
|
---|
1290 |
|
---|
1291 | // cast rest of rays
|
---|
1292 | SimpleRayContainer::const_iterator sit, sit_end = rayBucket.end();
|
---|
1293 |
|
---|
1294 | for (sit = rayBucket.begin(); sit != sit_end; ++ sit)
|
---|
1295 | {
|
---|
1296 | SimpleRay ray = *sit;
|
---|
1297 |
|
---|
1298 | #ifdef USE_CG
|
---|
1299 | // HACK: global lines must be treated special
|
---|
1300 | if (ray.mDistribution == SamplingStrategy::HW_GLOBAL_LINES_DISTRIBUTION)
|
---|
1301 | {
|
---|
1302 | mGlobalLinesRenderer->CastGlobalLines(ray, vssRays);
|
---|
1303 | continue;
|
---|
1304 | }
|
---|
1305 | #endif
|
---|
1306 | mRayCaster->CastRay(
|
---|
1307 | ray,
|
---|
1308 | vssRays,
|
---|
1309 | mViewCellsManager->GetViewSpaceBox(),
|
---|
1310 | castDoubleRays,
|
---|
1311 | pruneInvalidRays);
|
---|
1312 |
|
---|
1313 | }
|
---|
1314 |
|
---|
1315 | }
|
---|
1316 |
|
---|
1317 |
|
---|
1318 | bool Preprocessor::GenerateRayBundle(SimpleRayContainer &rayBundle,
|
---|
1319 | const SimpleRay &mainRay,
|
---|
1320 | const int number,
|
---|
1321 | const int pertubType) const
|
---|
1322 | {
|
---|
1323 | rayBundle.push_back(mainRay);
|
---|
1324 |
|
---|
1325 | const float pertubOrigin = 0.0f;
|
---|
1326 | const float pertubDir = 0.2f;
|
---|
1327 |
|
---|
1328 | for (int i = 0; i < number - 1; ++ i)
|
---|
1329 | {
|
---|
1330 | Vector3 pertub;
|
---|
1331 |
|
---|
1332 | pertub.x = RandomValue(0.0f, pertubDir);
|
---|
1333 | pertub.y = RandomValue(0.0f, pertubDir);
|
---|
1334 | pertub.z = RandomValue(0.0f, pertubDir);
|
---|
1335 |
|
---|
1336 | const Vector3 newDir = mainRay.mDirection + pertub;
|
---|
1337 | //const Vector3 newDir = mainRay.mDirection;
|
---|
1338 |
|
---|
1339 | pertub.x = RandomValue(0.0f, pertubOrigin);
|
---|
1340 | pertub.y = RandomValue(0.0f, pertubOrigin);
|
---|
1341 | pertub.z = RandomValue(0.0f, pertubOrigin);
|
---|
1342 |
|
---|
1343 | const Vector3 newOrigin = mainRay.mOrigin + pertub;
|
---|
1344 | //const Vector3 newOrigin = mainRay.mOrigin;
|
---|
1345 |
|
---|
1346 | rayBundle.push_back(SimpleRay(newOrigin, newDir, 0, 1.0f));
|
---|
1347 | }
|
---|
1348 |
|
---|
1349 | return true;
|
---|
1350 | }
|
---|
1351 |
|
---|
1352 |
|
---|
1353 | void Preprocessor::SetupRay(Ray &ray,
|
---|
1354 | const Vector3 &point,
|
---|
1355 | const Vector3 &direction) const
|
---|
1356 | {
|
---|
1357 | ray.Clear();
|
---|
1358 | // do not store anything else then intersections at the ray
|
---|
1359 | ray.Init(point, direction, Ray::LOCAL_RAY);
|
---|
1360 | }
|
---|
1361 |
|
---|
1362 |
|
---|
1363 | void Preprocessor::EvalViewCellHistogram()
|
---|
1364 | {
|
---|
1365 | char filename[256];
|
---|
1366 | Environment::GetSingleton()->GetStringValue("Preprocessor.histogram.file", filename);
|
---|
1367 |
|
---|
1368 | // mViewCellsManager->EvalViewCellHistogram(filename, 1000000);
|
---|
1369 | mViewCellsManager->EvalViewCellHistogramForPvsSize(filename, 1000000);
|
---|
1370 | }
|
---|
1371 |
|
---|
1372 |
|
---|
1373 | bool
|
---|
1374 | Preprocessor::ExportRays(const char *filename,
|
---|
1375 | const VssRayContainer &vssRays,
|
---|
1376 | const int number,
|
---|
1377 | const bool exportScene
|
---|
1378 | )
|
---|
1379 | {
|
---|
1380 | cout<<"Exporting vss rays..."<<endl<<flush;
|
---|
1381 |
|
---|
1382 | Exporter *exporter = NULL;
|
---|
1383 | exporter = Exporter::GetExporter(filename);
|
---|
1384 |
|
---|
1385 | if (0) {
|
---|
1386 | exporter->SetWireframe();
|
---|
1387 | exporter->ExportKdTree(*mKdTree);
|
---|
1388 | }
|
---|
1389 |
|
---|
1390 | exporter->SetFilled();
|
---|
1391 | // $$JB temporarily do not export the scene
|
---|
1392 | if (exportScene)
|
---|
1393 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
1394 |
|
---|
1395 | exporter->SetWireframe();
|
---|
1396 |
|
---|
1397 | if (1) {
|
---|
1398 | exporter->SetForcedMaterial(RgbColor(1,0,1));
|
---|
1399 | exporter->ExportBox(mViewCellsManager->GetViewSpaceBox());
|
---|
1400 | exporter->ResetForcedMaterial();
|
---|
1401 | }
|
---|
1402 |
|
---|
1403 | VssRayContainer rays;
|
---|
1404 | vssRays.SelectRays(number, rays);
|
---|
1405 | exporter->ExportRays(rays, RgbColor(1, 0, 0));
|
---|
1406 | delete exporter;
|
---|
1407 | cout<<"done."<<endl<<flush;
|
---|
1408 |
|
---|
1409 | return true;
|
---|
1410 | }
|
---|
1411 |
|
---|
1412 | bool
|
---|
1413 | Preprocessor::ExportRayAnimation(const char *filename,
|
---|
1414 | const vector<VssRayContainer> &vssRays
|
---|
1415 | )
|
---|
1416 | {
|
---|
1417 | cout<<"Exporting vss rays..."<<endl<<flush;
|
---|
1418 |
|
---|
1419 | Exporter *exporter = NULL;
|
---|
1420 | exporter = Exporter::GetExporter(filename);
|
---|
1421 | if (0) {
|
---|
1422 | exporter->SetWireframe();
|
---|
1423 | exporter->ExportKdTree(*mKdTree);
|
---|
1424 | }
|
---|
1425 | exporter->SetFilled();
|
---|
1426 | // $$JB temporarily do not export the scene
|
---|
1427 | if (0)
|
---|
1428 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
1429 | exporter->SetWireframe();
|
---|
1430 |
|
---|
1431 | if (1) {
|
---|
1432 | exporter->SetForcedMaterial(RgbColor(1,0,1));
|
---|
1433 | exporter->ExportBox(mViewCellsManager->GetViewSpaceBox());
|
---|
1434 | exporter->ResetForcedMaterial();
|
---|
1435 | }
|
---|
1436 |
|
---|
1437 | exporter->ExportRaySets(vssRays, RgbColor(1, 0, 0));
|
---|
1438 |
|
---|
1439 | delete exporter;
|
---|
1440 |
|
---|
1441 | cout<<"done."<<endl<<flush;
|
---|
1442 |
|
---|
1443 | return true;
|
---|
1444 | }
|
---|
1445 |
|
---|
1446 | void
|
---|
1447 | Preprocessor::ComputeRenderError()
|
---|
1448 | {
|
---|
1449 | // compute rendering error
|
---|
1450 | if (renderer && renderer->mPvsStatFrames) {
|
---|
1451 |
|
---|
1452 | if (!mViewCellsManager->GetViewCellPointsList()->empty())
|
---|
1453 | {
|
---|
1454 |
|
---|
1455 | ViewCellPointsList *vcPoints = mViewCellsManager->GetViewCellPointsList();
|
---|
1456 |
|
---|
1457 | ViewCellPointsList::const_iterator
|
---|
1458 | vit = vcPoints->begin(),
|
---|
1459 | vit_end = vcPoints->end();
|
---|
1460 |
|
---|
1461 | SimpleRayContainer viewPoints;
|
---|
1462 |
|
---|
1463 | for (; vit != vit_end; ++ vit) {
|
---|
1464 | ViewCellPoints *vp = *vit;
|
---|
1465 |
|
---|
1466 | SimpleRayContainer::const_iterator rit = vp->second.begin(), rit_end = vp->second.end();
|
---|
1467 | for (; rit!=rit_end; ++rit)
|
---|
1468 | viewPoints.push_back(*rit);
|
---|
1469 | }
|
---|
1470 |
|
---|
1471 | if (viewPoints.size() != renderer->mPvsErrorBuffer.size()) {
|
---|
1472 | renderer->mPvsErrorBuffer.resize(viewPoints.size());
|
---|
1473 | renderer->ClearErrorBuffer();
|
---|
1474 | }
|
---|
1475 |
|
---|
1476 | cout << "evaluating list of " << viewPoints.size() << " pts" << endl;
|
---|
1477 | renderer->EvalPvsStat(viewPoints);
|
---|
1478 | } else
|
---|
1479 | {
|
---|
1480 | cout << "evaluating random points" << endl;
|
---|
1481 | renderer->EvalPvsStat();
|
---|
1482 | }
|
---|
1483 |
|
---|
1484 | mStats <<
|
---|
1485 | "#AvgPvsRenderError\n" <<renderer->mPvsStat.GetAvgError()<<endl<<
|
---|
1486 | "#AvgPixelError\n" <<renderer->GetAvgPixelError()<<endl<<
|
---|
1487 | "#MaxPixelError\n" <<renderer->GetMaxPixelError()<<endl<<
|
---|
1488 | "#MaxPvsRenderError\n" <<renderer->mPvsStat.GetMaxError()<<endl<<
|
---|
1489 | "#ErrorFreeFrames\n" <<renderer->mPvsStat.GetErrorFreeFrames()<<endl<<
|
---|
1490 | "#AvgRenderPvs\n" <<renderer->mPvsStat.GetAvgPvs()<<endl;
|
---|
1491 | }
|
---|
1492 | }
|
---|
1493 |
|
---|
1494 |
|
---|
1495 | Intersectable *Preprocessor::GetObjectById(const int id)
|
---|
1496 | {
|
---|
1497 | #if 1
|
---|
1498 | // create a dummy mesh instance to be able to use stl
|
---|
1499 | MeshInstance object(NULL);
|
---|
1500 | object.SetId(id);
|
---|
1501 |
|
---|
1502 | ObjectContainer::const_iterator oit =
|
---|
1503 | lower_bound(mObjects.begin(), mObjects.end(), &object, ilt);
|
---|
1504 |
|
---|
1505 | // objects sorted by id
|
---|
1506 | if ((oit != mObjects.end()) && ((*oit)->GetId() == object.GetId()))
|
---|
1507 | {
|
---|
1508 | return (*oit);
|
---|
1509 | }
|
---|
1510 | else
|
---|
1511 | {
|
---|
1512 | return NULL;
|
---|
1513 | }
|
---|
1514 | #else
|
---|
1515 | return mObjects[id];
|
---|
1516 | #endif
|
---|
1517 | }
|
---|
1518 |
|
---|
1519 |
|
---|
1520 | void Preprocessor::PrepareHwGlobalLines()
|
---|
1521 | {
|
---|
1522 | int texHeight, texWidth;
|
---|
1523 | float eps;
|
---|
1524 | int maxDepth;
|
---|
1525 | bool sampleReverse;
|
---|
1526 |
|
---|
1527 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.texHeight", texHeight);
|
---|
1528 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.texWidth", texWidth);
|
---|
1529 | Environment::GetSingleton()->GetFloatValue("Preprocessor.HwGlobalLines.stepSize", eps);
|
---|
1530 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.maxDepth", maxDepth);
|
---|
1531 | Environment::GetSingleton()->GetBoolValue("Preprocessor.HwGlobalLines.sampleReverse", sampleReverse);
|
---|
1532 |
|
---|
1533 | Debug << "****** hw global line options *******" << endl;
|
---|
1534 | Debug << "texWidth: " << texWidth << endl;
|
---|
1535 | Debug << "texHeight: " << texHeight << endl;
|
---|
1536 | Debug << "sampleReverse: " << sampleReverse << endl;
|
---|
1537 | Debug << "max depth: " << maxDepth << endl;
|
---|
1538 | Debug << "step size: " << eps << endl;
|
---|
1539 | Debug << endl;
|
---|
1540 |
|
---|
1541 | #ifdef USE_CG
|
---|
1542 | globalLinesRenderer = mGlobalLinesRenderer =
|
---|
1543 | new GlobalLinesRenderer(this,
|
---|
1544 | texHeight,
|
---|
1545 | texWidth,
|
---|
1546 | eps,
|
---|
1547 | maxDepth,
|
---|
1548 | sampleReverse);
|
---|
1549 |
|
---|
1550 | mGlobalLinesRenderer->InitGl();
|
---|
1551 |
|
---|
1552 | #endif
|
---|
1553 | }
|
---|
1554 |
|
---|
1555 |
|
---|
1556 | void Preprocessor::DeterminePvsObjects(VssRayContainer &rays)
|
---|
1557 | {
|
---|
1558 | mViewCellsManager->DeterminePvsObjects(rays, false);
|
---|
1559 | }
|
---|
1560 |
|
---|
1561 |
|
---|
1562 | bool Preprocessor::LoadObjects(const string &filename,
|
---|
1563 | ObjectContainer &pvsObjects,
|
---|
1564 | const ObjectContainer &preprocessorObjects)
|
---|
1565 | {
|
---|
1566 | ObjectsParser parser;
|
---|
1567 |
|
---|
1568 | const bool success = parser.ParseObjects(filename,
|
---|
1569 | pvsObjects,
|
---|
1570 | preprocessorObjects);
|
---|
1571 |
|
---|
1572 | if (!success)
|
---|
1573 | {
|
---|
1574 | Debug << "Error: loading objects failed!" << endl;
|
---|
1575 | }
|
---|
1576 |
|
---|
1577 | // hack: no bvh object could be found => take preprocessor objects
|
---|
1578 | if (pvsObjects.empty())
|
---|
1579 | {
|
---|
1580 | Debug << "no objects" << endl;
|
---|
1581 | pvsObjects = preprocessorObjects;
|
---|
1582 | }
|
---|
1583 |
|
---|
1584 | return success;
|
---|
1585 | }
|
---|
1586 |
|
---|
1587 |
|
---|
1588 | void Preprocessor::RegisterDynamicObject(SceneGraphLeaf *leaf)
|
---|
1589 | {
|
---|
1590 | mDynamicObjects.push_back(leaf);
|
---|
1591 |
|
---|
1592 | const int currentId = (int)mObjects.size() + sCurrentDynamicId;
|
---|
1593 |
|
---|
1594 | leaf->GetIntersectable()->SetId(currentId);
|
---|
1595 |
|
---|
1596 | for (size_t i = 0; i < leaf->mGeometry.size(); ++ i)
|
---|
1597 | {
|
---|
1598 | leaf->mGeometry[i]->SetId(currentId);
|
---|
1599 | }
|
---|
1600 |
|
---|
1601 | cout << "\**************\n******* new object has id " << currentId << endl;
|
---|
1602 |
|
---|
1603 | ++ sCurrentDynamicId;
|
---|
1604 |
|
---|
1605 | // tell ray caster to update
|
---|
1606 | ScheduleUpdateDynamicObjects();
|
---|
1607 |
|
---|
1608 | if (0)
|
---|
1609 | {
|
---|
1610 | // add to scene graph
|
---|
1611 | mSceneGraph->GetRoot()->mChildren.push_back(leaf);
|
---|
1612 | // add to ray caster
|
---|
1613 | if (mRayCaster)
|
---|
1614 | mRayCaster->AddDynamicObjecs(leaf->mGeometry, leaf->GetTransformation());
|
---|
1615 | }
|
---|
1616 | // $$ JB in order to compile
|
---|
1617 | //return leaf;
|
---|
1618 | }
|
---|
1619 |
|
---|
1620 |
|
---|
1621 | SceneGraphLeaf *Preprocessor::LoadDynamicGeometry(const string &filename)
|
---|
1622 | {
|
---|
1623 | const bool dynamic = true;
|
---|
1624 | SceneGraphLeaf *leaf = new SceneGraphLeaf(dynamic);
|
---|
1625 |
|
---|
1626 | bool parsed = false;
|
---|
1627 |
|
---|
1628 | if (strstr(filename.c_str(), ".obj"))
|
---|
1629 | {
|
---|
1630 | cout<<"parsing obj file.."<<endl;
|
---|
1631 | ObjParser *p = new ObjParser;
|
---|
1632 | parsed = p->ParseFile(filename, leaf, false);
|
---|
1633 | }
|
---|
1634 | else
|
---|
1635 | {
|
---|
1636 | cout<<"parsing binary obj file ... " << endl;
|
---|
1637 | parsed = LoadBinaryObj(filename, leaf, NULL, 100);
|
---|
1638 | }
|
---|
1639 |
|
---|
1640 | if (parsed)
|
---|
1641 | {
|
---|
1642 | ObjectContainer::const_iterator it, it_end = leaf->mGeometry.end();
|
---|
1643 |
|
---|
1644 | for (it = leaf->mGeometry.begin(); it != it_end; ++ it)
|
---|
1645 | {
|
---|
1646 | TriangleIntersectable *tri = static_cast<TriangleIntersectable *>(*it);
|
---|
1647 |
|
---|
1648 | Triangle3 t = tri->GetItem();
|
---|
1649 |
|
---|
1650 | // hack: scale object appropriately
|
---|
1651 | float scale = 0.01f;
|
---|
1652 |
|
---|
1653 | t.mVertices[0] *= scale;
|
---|
1654 | t.mVertices[1] *= scale;
|
---|
1655 | t.mVertices[2] *= scale;
|
---|
1656 |
|
---|
1657 | tri->SetItem(t);
|
---|
1658 | }
|
---|
1659 |
|
---|
1660 | leaf->UpdateBox();
|
---|
1661 |
|
---|
1662 | float offs = -leaf->GetOriginalBox().Min().y;
|
---|
1663 |
|
---|
1664 | // scale so pivot is always on bottom
|
---|
1665 | for (it = leaf->mGeometry.begin(); it != it_end; ++ it)
|
---|
1666 | {
|
---|
1667 | TriangleIntersectable *tri = static_cast<TriangleIntersectable *>(*it);
|
---|
1668 |
|
---|
1669 | Triangle3 t = tri->GetItem();
|
---|
1670 |
|
---|
1671 | // hack: scale object appropriately
|
---|
1672 | t.mVertices[0].y += offs;
|
---|
1673 | t.mVertices[1].y += offs;
|
---|
1674 | t.mVertices[2].y += offs;
|
---|
1675 |
|
---|
1676 | tri->SetItem(t);
|
---|
1677 | }
|
---|
1678 |
|
---|
1679 | leaf->UpdateBox();
|
---|
1680 |
|
---|
1681 |
|
---|
1682 | cout<<"Dynamic object loaded successfully: " << leaf->GetBox() << endl;
|
---|
1683 |
|
---|
1684 | return leaf;
|
---|
1685 | }
|
---|
1686 |
|
---|
1687 |
|
---|
1688 | cout<<"Dynamic object loading failed."<<endl;
|
---|
1689 | return NULL;
|
---|
1690 | }
|
---|
1691 |
|
---|
1692 |
|
---|
1693 | /** Object has moved - must dynamically update all affected PVSs */
|
---|
1694 | void
|
---|
1695 | Preprocessor::ObjectMoved(SceneGraphLeaf *leaf)
|
---|
1696 | {
|
---|
1697 | // first invalidate all PVS from which this object is visible
|
---|
1698 | ViewCellContainer::const_iterator vit, vit_end = mViewCellsManager->GetViewCells().end();
|
---|
1699 |
|
---|
1700 | AxisAlignedBox3 box = leaf->GetBox();
|
---|
1701 | Intersectable *inter = leaf->GetIntersectable();
|
---|
1702 | int removedEntries = 0;
|
---|
1703 | int removedSelfEntries = 0;
|
---|
1704 | CSeparatingAxisTester shadowVolume;
|
---|
1705 | int maxPlanes = 0;
|
---|
1706 | int allEntries = 0;
|
---|
1707 | // now search for pvss which contained any mailed node
|
---|
1708 | for (vit = mViewCellsManager->GetViewCells().begin(); vit != vit_end; ++ vit) {
|
---|
1709 | ObjectPvs &pvs = (*vit)->GetPvs();
|
---|
1710 | if (Overlap(box, (*vit)->GetBox())) {
|
---|
1711 | pvs.Clear();
|
---|
1712 | removedEntries += pvs.GetSize();
|
---|
1713 | } else {
|
---|
1714 | // cout<<(*vit)->GetBox()<<" "<<box<<endl;
|
---|
1715 | shadowVolume.Init((*vit)->GetBox(), box);
|
---|
1716 | if (shadowVolume.CntPlanes() > maxPlanes)
|
---|
1717 | maxPlanes = shadowVolume.CntPlanes();
|
---|
1718 |
|
---|
1719 | int j = 0;
|
---|
1720 | for (int i=0; i < pvs.mEntries.size(); i++) {
|
---|
1721 | allEntries++;
|
---|
1722 | Intersectable *o = pvs.mEntries[i].mObject;
|
---|
1723 | if (o == inter) {
|
---|
1724 | removedSelfEntries++;
|
---|
1725 | } else {
|
---|
1726 | if (!shadowVolume.TestIsInsideShaft(o->GetBox())) {
|
---|
1727 | if (j != i)
|
---|
1728 | pvs.mEntries[j] = pvs.mEntries[i];
|
---|
1729 | j++;
|
---|
1730 | } else {
|
---|
1731 | removedEntries++;
|
---|
1732 | }
|
---|
1733 | }
|
---|
1734 | }
|
---|
1735 | // now the pvs has to be resorted
|
---|
1736 | pvs.mLastSorted = 0;
|
---|
1737 | if (j==0)
|
---|
1738 | pvs.mEntries.clear();
|
---|
1739 | else {
|
---|
1740 | pvs.mEntries.resize(j);
|
---|
1741 | if (j>1)
|
---|
1742 | pvs.SimpleSort();
|
---|
1743 | }
|
---|
1744 | }
|
---|
1745 | }
|
---|
1746 |
|
---|
1747 | cerr<<"Number of removed pvs entries = "<<removedEntries<<" ("<<
|
---|
1748 | 100.0f*removedEntries/(float)allEntries<<"%)"<<endl;
|
---|
1749 | cerr<<"Number of removed pvs self-entries = "<<removedSelfEntries<<endl;
|
---|
1750 | cerr<<"Max shadow planes used:"<<maxPlanes<<endl;
|
---|
1751 | // cout<<"Cleared "<<pvsCounter<<" PVSs ("<<mViewCellsManager->GetViewCells().size()/
|
---|
1752 | // (float)pvsCounter*100.0f<<"%) "<<endl;
|
---|
1753 |
|
---|
1754 | }
|
---|
1755 |
|
---|
1756 |
|
---|
1757 | void Preprocessor::ObjectRemoved(SceneGraphLeaf *leaf)
|
---|
1758 | {
|
---|
1759 | ObjectMoved(leaf);
|
---|
1760 | }
|
---|
1761 |
|
---|
1762 |
|
---|
1763 | void Preprocessor::UpdateDynamicObjects()
|
---|
1764 | {
|
---|
1765 | if (mUpdateDynamicObjects)
|
---|
1766 | {
|
---|
1767 | // delete ALL dynamic stuff and rebuild using the new trafos
|
---|
1768 | preprocessor->mRayCaster->DeleteDynamicObjects();
|
---|
1769 |
|
---|
1770 |
|
---|
1771 |
|
---|
1772 | for (size_t i = 0; i < mDynamicObjects.size(); ++ i)
|
---|
1773 | {
|
---|
1774 | SceneGraphLeaf *l = mDynamicObjects[i];
|
---|
1775 |
|
---|
1776 |
|
---|
1777 |
|
---|
1778 | if (l->HasChanged())
|
---|
1779 | {
|
---|
1780 | UpdateObjectInRayCaster(l);
|
---|
1781 |
|
---|
1782 | cout<<"Updating affected PVSs..."<<endl;
|
---|
1783 | preprocessor->ObjectMoved(l);
|
---|
1784 | cout<<"done."<<endl;
|
---|
1785 | l->SetHasChanged(false);
|
---|
1786 | }
|
---|
1787 | }
|
---|
1788 |
|
---|
1789 | mUpdateDynamicObjects = false;
|
---|
1790 | }
|
---|
1791 | }
|
---|
1792 |
|
---|
1793 |
|
---|
1794 | void Preprocessor::ScheduleUpdateDynamicObjects()
|
---|
1795 | {
|
---|
1796 | mUpdateDynamicObjects = true;
|
---|
1797 | }
|
---|
1798 |
|
---|
1799 |
|
---|
1800 | void Preprocessor::UpdateObjectInRayCaster(SceneGraphLeaf *l)
|
---|
1801 | {
|
---|
1802 | cout<<"Updating dynamic objects in ray caster..."<<endl;
|
---|
1803 |
|
---|
1804 | mRayCaster->AddDynamicObjecs(l->mGeometry, l->GetTransformation());
|
---|
1805 | cout<<"done."<<endl;
|
---|
1806 | }
|
---|
1807 |
|
---|
1808 | }
|
---|