[2583] | 1 |
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[372] | 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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[439] | 9 | #include "ViewCellsManager.h"
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[445] | 10 | #include "ViewCellBsp.h"
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| 11 | #include "VspBspTree.h"
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[469] | 12 | #include "RenderSimulator.h"
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[496] | 13 | #include "GlRenderer.h"
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[749] | 14 | #include "PlyParser.h"
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[1020] | 15 | #include "SamplingStrategy.h"
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[1233] | 16 | #include "VspTree.h"
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| 17 | #include "OspTree.h"
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[1221] | 18 | #include "ObjParser.h"
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[1264] | 19 | #include "BvHierarchy.h"
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[1279] | 20 | #include "HierarchyManager.h"
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[1287] | 21 | #include "VssRay.h"
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[1520] | 22 | #include "IntelRayCaster.h"
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[2575] | 23 | #include "HavranRayCaster.h"
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[1520] | 24 | #include "InternalRayCaster.h"
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[1968] | 25 | #include "GlobalLinesRenderer.h"
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[2183] | 26 | #include "ObjectsParser.h"
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[2707] | 27 | #include "SepPlanesBox3.h"
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[1264] | 28 |
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[1287] | 29 |
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[1292] | 30 | #define DEBUG_RAYCAST 0
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[1584] | 31 | #define SHOW_RAYCAST_TIMING 1
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[1292] | 32 |
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[2183] | 33 | using namespace std;
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[1292] | 34 |
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[863] | 35 | namespace GtpVisibilityPreprocessor {
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[860] | 36 |
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| 37 |
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[2544] | 38 | inline static bool ilt(Intersectable *obj1, Intersectable *obj2)
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| 39 | {
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| 40 | return obj1->mId < obj2->mId;
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| 41 | }
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| 42 |
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| 43 |
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[2187] | 44 | Preprocessor *preprocessor = NULL;
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[1867] | 45 |
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[752] | 46 |
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[372] | 47 | Preprocessor::Preprocessor():
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| 48 | mKdTree(NULL),
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[409] | 49 | mBspTree(NULL),
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[445] | 50 | mVspBspTree(NULL),
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[1002] | 51 | mViewCellsManager(NULL),
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[1251] | 52 | mRenderSimulator(NULL),
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[1279] | 53 | mPass(0),
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[1520] | 54 | mSceneGraph(NULL),
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[1613] | 55 | mRayCaster(NULL),
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[1926] | 56 | mStopComputation(false),
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[1968] | 57 | mThread(NULL),
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[2076] | 58 | mGlobalLinesRenderer(NULL),
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[2574] | 59 | mUseHwGlobalLines(false),
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| 60 | mTotalRaysCast(0)
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[308] | 61 | {
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[1004] | 62 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlRenderer", mUseGlRenderer);
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[538] | 63 |
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[840] | 64 | // renderer will be constructed when the scene graph and viewcell manager will be known
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| 65 | renderer = NULL;
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[1785] | 66 |
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[1004] | 67 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlDebugger", mUseGlDebugger);
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[1379] | 68 | Environment::GetSingleton()->GetBoolValue("Preprocessor.loadMeshes", mLoadMeshes);
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[1004] | 69 | Environment::GetSingleton()->GetBoolValue("Preprocessor.quitOnFinish", mQuitOnFinish);
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| 70 | Environment::GetSingleton()->GetBoolValue("Preprocessor.computeVisibility", mComputeVisibility);
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| 71 | Environment::GetSingleton()->GetBoolValue("Preprocessor.detectEmptyViewSpace", mDetectEmptyViewSpace);
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| 72 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportVisibility", mExportVisibility );
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[1520] | 73 |
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[871] | 74 | char buffer[256];
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[1004] | 75 | Environment::GetSingleton()->GetStringValue("Preprocessor.visibilityFile", buffer);
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[871] | 76 | mVisibilityFileName = buffer;
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[1771] | 77 |
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| 78 | Environment::GetSingleton()->GetStringValue("Preprocessor.stats", buffer);
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| 79 | mStats.open(buffer);
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[2048] | 80 |
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[1749] | 81 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilityFilter", mApplyVisibilityFilter);
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[1004] | 82 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilitySpatialFilter",
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[1695] | 83 | mApplyVisibilitySpatialFilter );
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[1004] | 84 | Environment::GetSingleton()->GetFloatValue("Preprocessor.visibilityFilterWidth", mVisibilityFilterWidth);
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[878] | 85 |
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[1695] | 86 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportObj", mExportObj);
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| 87 |
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[1723] | 88 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useViewSpaceBox", mUseViewSpaceBox);
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| 89 |
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[1900] | 90 | Environment::GetSingleton()->GetBoolValue("Preprocessor.Export.rays", mExportRays);
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[2008] | 91 | Environment::GetSingleton()->GetBoolValue("Preprocessor.Export.animation", mExportAnimation);
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[1900] | 92 | Environment::GetSingleton()->GetIntValue("Preprocessor.Export.numRays", mExportNumRays);
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| 93 |
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[1966] | 94 | Environment::GetSingleton()->GetIntValue("Preprocessor.samplesPerPass", mSamplesPerPass);
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| 95 | Environment::GetSingleton()->GetIntValue("Preprocessor.totalSamples", mTotalSamples);
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[2046] | 96 | Environment::GetSingleton()->GetIntValue("Preprocessor.totalTime", mTotalTime);
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[1966] | 97 | Environment::GetSingleton()->GetIntValue("Preprocessor.samplesPerEvaluation",
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| 98 | mSamplesPerEvaluation);
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| 99 |
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[1695] | 100 | Debug << "******* Preprocessor Options **********" << endl;
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[840] | 101 | Debug << "detect empty view space=" << mDetectEmptyViewSpace << endl;
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[1379] | 102 | Debug << "load meshes: " << mLoadMeshes << endl;
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[1695] | 103 | Debug << "load meshes: " << mLoadMeshes << endl;
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| 104 | Debug << "export obj: " << mExportObj << endl;
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[1723] | 105 | Debug << "use view space box: " << mUseViewSpaceBox << endl;
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[2048] | 106 |
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| 107 | cout << "samples per pass " << mSamplesPerPass << endl;
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[372] | 108 | }
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| 109 |
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| 110 |
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| 111 | Preprocessor::~Preprocessor()
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| 112 | {
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[1291] | 113 | cout << "cleaning up" << endl;
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[752] | 114 |
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[1291] | 115 | cout << "Deleting view cells manager ... \n";
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| 116 | DEL_PTR(mViewCellsManager);
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| 117 | cout << "done.\n";
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[2047] | 118 |
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[1291] | 119 | cout << "Deleting bsp tree ... \n";
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| 120 | DEL_PTR(mBspTree);
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[1924] | 121 | cout << "done.\n";
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[752] | 122 |
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[1924] | 123 | cout << "Deleting kd tree ...\n";
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[1291] | 124 | DEL_PTR(mKdTree);
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| 125 | cout << "done.\n";
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[752] | 126 |
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[1923] | 127 | cout << "Deleting vspbsp tree ... \n";
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[1291] | 128 | DEL_PTR(mVspBspTree);
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| 129 | cout << "done.\n";
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[1002] | 130 |
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[1923] | 131 | cout << "Deleting scene graph ... \n";
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[1291] | 132 | DEL_PTR(mSceneGraph);
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| 133 | cout << "done.\n";
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| 134 |
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[2017] | 135 | cout << "deleting render simulator ... \n";
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[1291] | 136 | DEL_PTR(mRenderSimulator);
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[2017] | 137 | mRenderSimulator = NULL;
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[2609] | 138 |
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[2017] | 139 | cout << "deleting renderer ... \n";
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[1291] | 140 | DEL_PTR(renderer);
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[2017] | 141 | renderer = NULL;
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[2609] | 142 |
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[2017] | 143 | cout << "deleting ray caster ... \n";
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[1523] | 144 | DEL_PTR(mRayCaster);
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[1999] | 145 |
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[1990] | 146 | #ifdef USE_CG
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[2017] | 147 | cout << "deleting global lines renderer ... \n";
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[1968] | 148 | DEL_PTR(mGlobalLinesRenderer);
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[1990] | 149 | #endif
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[2017] | 150 | cout << "finished" << endl;
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[372] | 151 | }
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| 152 |
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[1521] | 153 |
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| 154 | GlRendererBuffer *Preprocessor::GetRenderer()
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| 155 | {
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| 156 | return renderer;
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| 157 | }
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| 158 |
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| 159 |
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[387] | 160 |
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| 161 |
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[1926] | 162 | void Preprocessor::SetThread(PreprocessorThread *t)
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| 163 | {
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| 164 | mThread = t;
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| 165 | }
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| 166 |
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| 167 |
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| 168 | PreprocessorThread *Preprocessor::GetThread() const
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| 169 | {
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| 170 | return mThread;
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| 171 | }
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| 172 |
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| 173 |
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[2183] | 174 | bool Preprocessor::LoadBinaryObj(const string &filename,
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[2600] | 175 | SceneGraphLeaf *root,
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[2621] | 176 | vector<FaceParentInfo> *parents,
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| 177 | float scale)
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[1655] | 178 | {
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[2452] | 179 | //ifstream inStream(filename, ios::binary);
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| 180 | igzstream inStream(filename.c_str());
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[1658] | 181 |
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[2452] | 182 | if (!inStream.is_open())
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[1655] | 183 | return false;
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| 184 |
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[1658] | 185 | cout << "binary obj dump available, loading " << filename.c_str() << endl;
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[2003] | 186 |
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[2004] | 187 | // read in triangle size
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| 188 | int numTriangles;
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| 189 |
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[2614] | 190 | const int t = 500000;
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[2452] | 191 | inStream.read(reinterpret_cast<char *>(&numTriangles), sizeof(int));
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[2004] | 192 | root->mGeometry.reserve(numTriangles);
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[2572] | 193 | cout << "loading " << numTriangles << " triangles (" << numTriangles *
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| 194 | (sizeof(TriangleIntersectable) + sizeof(TriangleIntersectable *)) /
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| 195 | (1024 * 1024) << " MB)" << endl;
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[2003] | 196 |
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[2004] | 197 | int i = 0;
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[2572] | 198 |
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[1655] | 199 | while (1)
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| 200 | {
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| 201 | Triangle3 tri;
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| 202 |
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[2452] | 203 | inStream.read(reinterpret_cast<char *>(tri.mVertices + 0), sizeof(Vector3));
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| 204 | inStream.read(reinterpret_cast<char *>(tri.mVertices + 1), sizeof(Vector3));
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| 205 | inStream.read(reinterpret_cast<char *>(tri.mVertices + 2), sizeof(Vector3));
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[2005] | 206 |
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[2621] | 207 | if (scale > 0.0f)
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| 208 | {
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| 209 | tri.mVertices[0] *= scale;
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| 210 | tri.mVertices[1] *= scale;
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| 211 | tri.mVertices[2] *= scale;
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| 212 | }
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| 213 |
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[1655] | 214 | // end of file reached
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[2452] | 215 | if (inStream.eof())
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[1655] | 216 | break;
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| 217 |
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| 218 | TriangleIntersectable *obj = new TriangleIntersectable(tri);
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| 219 | root->mGeometry.push_back(obj);
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[2005] | 220 |
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[2614] | 221 | if ((i ++) % t == t)
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[2005] | 222 | cout<<"\r"<<i<<"/"<<numTriangles<<"\r";
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[1655] | 223 | }
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| 224 |
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[2004] | 225 | if (i != numTriangles)
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| 226 | {
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| 227 | cout << "warning: triangle size does not match with loaded triangle size" << endl;
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| 228 | return false;
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| 229 | }
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| 230 |
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| 231 | cout << "loaded " << numTriangles << " triangles" << endl;
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| 232 |
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[1655] | 233 | return true;
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| 234 | }
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| 235 |
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| 236 |
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[2601] | 237 | bool Preprocessor::ExportBinaryObj(const string &filename, SceneGraphLeaf *root)
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[1658] | 238 | {
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| 239 | ogzstream samplesOut(filename.c_str());
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[2004] | 240 |
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[1658] | 241 | if (!samplesOut.is_open())
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| 242 | return false;
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| 243 |
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[2004] | 244 | int numTriangles = (int)root->mGeometry.size();
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| 245 |
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| 246 | samplesOut.write(reinterpret_cast<char *>(&numTriangles), sizeof(int));
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| 247 |
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[1658] | 248 | ObjectContainer::const_iterator oit, oit_end = root->mGeometry.end();
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| 249 |
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| 250 | for (oit = root->mGeometry.begin(); oit != oit_end; ++ oit)
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| 251 | {
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| 252 | Intersectable *obj = *oit;
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| 253 |
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| 254 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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| 255 | {
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[2017] | 256 | Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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[1658] | 257 |
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| 258 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 0), sizeof(Vector3));
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| 259 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 1), sizeof(Vector3));
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| 260 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 2), sizeof(Vector3));
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| 261 | }
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| 262 | else
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| 263 | {
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| 264 | cout << "not implemented intersectable type " << obj->Type() << endl;
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| 265 | }
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| 266 | }
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| 267 |
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[2004] | 268 | cout << "exported " << numTriangles << " triangles" << endl;
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| 269 |
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[1658] | 270 | return true;
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| 271 | }
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| 272 |
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[1695] | 273 |
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[2342] | 274 | bool Preprocessor::ExportObj(const string &filename, const ObjectContainer &objects)
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[1695] | 275 | {
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| 276 | ofstream samplesOut(filename.c_str());
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| 277 |
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| 278 | if (!samplesOut.is_open())
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| 279 | return false;
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| 280 |
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| 281 | ObjectContainer::const_iterator oit, oit_end = objects.end();
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| 282 |
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[2004] | 283 | //AxisAlignedBox3 bbox = mSceneGraph->GetBox(); bbox.Enlarge(30.0);
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[1695] | 284 | for (oit = objects.begin(); oit != oit_end; ++ oit)
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| 285 | {
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| 286 | Intersectable *obj = *oit;
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| 287 |
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| 288 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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| 289 | {
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[2017] | 290 | Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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[2004] | 291 | //if (!(bbox.IsInside(tri.mVertices[0]) && bbox.IsInside(tri.mVertices[1]) && bbox.IsInside(tri.mVertices[2])))continue;
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| 292 |
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| 293 | samplesOut << "v " << tri.mVertices[0].x << " " << tri.mVertices[0].y << " " << tri.mVertices[0].z << endl;
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| 294 | samplesOut << "v " << tri.mVertices[1].x << " " << tri.mVertices[1].y << " " << tri.mVertices[1].z << endl;
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| 295 | samplesOut << "v " << tri.mVertices[2].x << " " << tri.mVertices[2].y << " " << tri.mVertices[2].z << endl;
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[1701] | 296 | //}
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[1695] | 297 | }
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| 298 | else
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| 299 | {
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| 300 | cout << "not implemented intersectable type " << obj->Type() << endl;
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| 301 | }
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| 302 | }
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| 303 |
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| 304 | // write faces
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| 305 | int i = 1;
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[1713] | 306 | for (oit = objects.begin(); oit != oit_end; ++ oit)
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[1695] | 307 | {
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| 308 | Intersectable *obj = *oit;
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| 309 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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| 310 | {
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[2017] | 311 | //Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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[2004] | 312 | //if (!(bbox.IsInside(tri.mVertices[0]) && bbox.IsInside(tri.mVertices[1]) && bbox.IsInside(tri.mVertices[2]))) continue;
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| 313 |
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[2017] | 314 | Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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[2004] | 315 | samplesOut << "f " << i << " " << i + 1 << " " << i + 2 << endl;
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| 316 | i += 3;
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[1695] | 317 | }
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| 318 | else
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| 319 | {
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| 320 | cout << "not implemented intersectable type " << obj->Type() << endl;
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| 321 | }
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| 322 | }
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| 323 |
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| 324 | return true;
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| 325 |
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| 326 | }
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| 327 |
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[1658] | 328 |
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| 329 |
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[1786] | 330 | Intersectable *Preprocessor::GetParentObject(const int index) const
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| 331 | {
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[2003] | 332 | if (index < 0)
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| 333 | {
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[2004] | 334 | //cerr << "Warning: triangle index smaller zero! " << index << endl;
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[2003] | 335 | return NULL;
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| 336 | }
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[1786] | 337 |
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| 338 | if (!mFaceParents.empty())
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| 339 | {
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| 340 | if (index >= (int)mFaceParents.size())
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| 341 | {
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[1978] | 342 | cerr << "Warning: triangle index out of range! " << index << endl;
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[1786] | 343 | return NULL;
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| 344 | }
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| 345 | else
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| 346 | {
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| 347 | return mFaceParents[index].mObject;
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| 348 | }
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| 349 | }
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| 350 | else
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[2003] | 351 | {
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| 352 | if (index >= (int)mObjects.size())
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| 353 | {
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[2307] | 354 | cerr<<"Warning: triangle index out of range! " << index << " of " << (int)mObjects.size() << endl;
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[2003] | 355 | return NULL;
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| 356 | }
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| 357 | else
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| 358 | {
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| 359 | return mObjects[index];
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| 360 | }
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| 361 | }
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[1786] | 362 | }
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| 363 |
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| 364 |
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| 365 | Vector3 Preprocessor::GetParentNormal(const int index) const
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| 366 | {
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| 367 | if (!mFaceParents.empty())
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| 368 | {
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| 369 | return mFaceParents[index].mObject->GetNormal(mFaceParents[index].mFaceIndex);
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| 370 | }
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| 371 | else
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| 372 | {
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| 373 | return mObjects[index]->GetNormal(0);
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| 374 | }
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| 375 | }
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| 376 |
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| 377 |
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[372] | 378 | bool
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[2342] | 379 | Preprocessor::LoadScene(const string &filename)
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[372] | 380 | {
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[1655] | 381 | // use leaf nodes of the original spatial hierarchy as occludees
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[508] | 382 | mSceneGraph = new SceneGraph;
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[372] | 383 |
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[508] | 384 | Parser *parser;
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[387] | 385 | vector<string> filenames;
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[1404] | 386 | const int files = SplitFilenames(filename, filenames);
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[712] | 387 | cout << "number of input files: " << files << endl;
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[2183] | 388 |
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[387] | 389 | bool result = false;
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[1695] | 390 | bool isObj = false;
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[1344] | 391 |
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| 392 | // root for different files
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[2601] | 393 | mSceneGraph->SetRoot(new SceneGraphInterior());
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[1344] | 394 |
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[1404] | 395 | // intel ray caster can only trace triangles
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[1520] | 396 | int rayCastMethod;
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[2575] | 397 | Environment::GetSingleton()->GetIntValue("Preprocessor.rayCastMethod",
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| 398 | rayCastMethod);
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| 399 |
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[1827] | 400 | vector<FaceParentInfo> *fi =
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[2583] | 401 | ((rayCastMethod == RayCaster::INTEL_RAYCASTER ||
|
---|
| 402 | rayCastMethod == RayCaster::HAVRAN_RAYCASTER
|
---|
| 403 | ) && mLoadMeshes) ?
|
---|
[1867] | 404 | &mFaceParents : NULL;
|
---|
[2583] | 405 |
|
---|
[1658] | 406 | if (files == 1)
|
---|
[2544] | 407 | {
|
---|
[2601] | 408 | SceneGraphLeaf *leaf = new SceneGraphLeaf();
|
---|
| 409 |
|
---|
[387] | 410 | if (strstr(filename.c_str(), ".x3d"))
|
---|
[2544] | 411 | {
|
---|
[1655] | 412 | parser = new X3dParser;
|
---|
[2601] | 413 |
|
---|
[1658] | 414 | result = parser->ParseFile(filename,
|
---|
[2601] | 415 | leaf,
|
---|
| 416 | mLoadMeshes,
|
---|
| 417 | fi);
|
---|
[1658] | 418 | delete parser;
|
---|
[1655] | 419 | }
|
---|
[1658] | 420 | else if (strstr(filename.c_str(), ".ply") || strstr(filename.c_str(), ".plb"))
|
---|
[1655] | 421 | {
|
---|
[1658] | 422 | parser = new PlyParser;
|
---|
[1655] | 423 |
|
---|
[1658] | 424 | result = parser->ParseFile(filename,
|
---|
[2601] | 425 | leaf,
|
---|
[2544] | 426 | mLoadMeshes,
|
---|
| 427 | fi);
|
---|
[1658] | 428 | delete parser;
|
---|
[1655] | 429 | }
|
---|
[1658] | 430 | else if (strstr(filename.c_str(), ".obj"))
|
---|
| 431 | {
|
---|
[1695] | 432 | isObj = true;
|
---|
| 433 |
|
---|
[1658] | 434 | // hack: load binary dump
|
---|
[2004] | 435 | const string bnFile = ReplaceSuffix(filename, ".obj", ".bn");
|
---|
[2544] | 436 |
|
---|
[1658] | 437 | if (!mLoadMeshes)
|
---|
| 438 | {
|
---|
[2601] | 439 | result = LoadBinaryObj(bnFile, leaf, fi);
|
---|
[1658] | 440 | }
|
---|
| 441 |
|
---|
[2004] | 442 | // parse obj
|
---|
[2544] | 443 | if (!result)
|
---|
[1658] | 444 | {
|
---|
| 445 | cout << "no binary dump available or loading full meshes, parsing file" << endl;
|
---|
| 446 | parser = new ObjParser;
|
---|
[2544] | 447 |
|
---|
[2601] | 448 | result = parser->ParseFile(filename, leaf, mLoadMeshes, fi);
|
---|
[2544] | 449 |
|
---|
[2601] | 450 | cout << "loaded " << (int)leaf->mGeometry.size() << " entities" << endl;
|
---|
[2183] | 451 |
|
---|
[1658] | 452 | // only works for triangles
|
---|
[2004] | 453 | if (result && !mLoadMeshes)
|
---|
[1658] | 454 | {
|
---|
[2004] | 455 | cout << "exporting binary obj to " << bnFile << "... " << endl;
|
---|
[2183] | 456 |
|
---|
[2601] | 457 | ExportBinaryObj(bnFile, leaf);
|
---|
[2544] | 458 |
|
---|
[1658] | 459 | cout << "finished" << endl;
|
---|
| 460 | }
|
---|
[1655] | 461 |
|
---|
[1658] | 462 | delete parser;
|
---|
| 463 | }
|
---|
| 464 | }
|
---|
| 465 | else
|
---|
| 466 | {
|
---|
| 467 | parser = new UnigraphicsParser;
|
---|
[2601] | 468 | result = parser->ParseFile(filename, leaf, mLoadMeshes, fi);
|
---|
[1658] | 469 | delete parser;
|
---|
| 470 | }
|
---|
[2544] | 471 |
|
---|
[2601] | 472 | if (result)
|
---|
| 473 | {
|
---|
| 474 | mSceneGraph->GetRoot()->mChildren.push_back(leaf);
|
---|
| 475 | }
|
---|
| 476 |
|
---|
[1658] | 477 | cout << filename << endl;
|
---|
[1404] | 478 | }
|
---|
[1658] | 479 | else
|
---|
| 480 | {
|
---|
[1404] | 481 | vector<string>::const_iterator fit, fit_end = filenames.end();
|
---|
[2544] | 482 |
|
---|
[1404] | 483 | for (fit = filenames.begin(); fit != fit_end; ++ fit)
|
---|
| 484 | {
|
---|
| 485 | const string filename = *fit;
|
---|
[1328] | 486 |
|
---|
[1404] | 487 | cout << "parsing file " << filename.c_str() << endl;
|
---|
| 488 | if (strstr(filename.c_str(), ".x3d"))
|
---|
| 489 | parser = new X3dParser;
|
---|
| 490 | else
|
---|
| 491 | parser = new UnigraphicsParser;
|
---|
| 492 |
|
---|
[2601] | 493 | SceneGraphLeaf *node = new SceneGraphLeaf();
|
---|
| 494 |
|
---|
[1695] | 495 | const bool success =
|
---|
| 496 | parser->ParseFile(filename, node, mLoadMeshes, fi);
|
---|
[1404] | 497 |
|
---|
| 498 | if (success)
|
---|
| 499 | {
|
---|
| 500 | mSceneGraph->GetRoot()->mChildren.push_back(node);
|
---|
| 501 | result = true; // at least one file parsed
|
---|
| 502 | }
|
---|
| 503 |
|
---|
[1713] | 504 | // temporare hack
|
---|
[1701] | 505 | //if (!strstr(filename.c_str(), "plane")) mSceneGraph->GetRoot()->UpdateBox();
|
---|
| 506 |
|
---|
[1404] | 507 | delete parser;
|
---|
[387] | 508 | }
|
---|
| 509 | }
|
---|
[2544] | 510 |
|
---|
[752] | 511 | if (result)
|
---|
[2544] | 512 | {
|
---|
[1020] | 513 | int intersectables, faces;
|
---|
| 514 | mSceneGraph->GetStatistics(intersectables, faces);
|
---|
[1344] | 515 |
|
---|
[1020] | 516 | cout<<filename<<" parsed successfully."<<endl;
|
---|
| 517 | cout<<"#NUM_OBJECTS (Total numner of objects)\n"<<intersectables<<endl;
|
---|
| 518 | cout<<"#NUM_FACES (Total numner of faces)\n"<<faces<<endl;
|
---|
[1701] | 519 |
|
---|
[1697] | 520 | mObjects.reserve(intersectables);
|
---|
[2601] | 521 | mSceneGraph->CollectObjects(mObjects);
|
---|
[2544] | 522 |
|
---|
| 523 | mSceneGraph->AssignObjectIds();
|
---|
| 524 |
|
---|
[1328] | 525 | mSceneGraph->GetRoot()->UpdateBox();
|
---|
[1713] | 526 |
|
---|
| 527 | cout << "finished loading" << endl;
|
---|
[387] | 528 | }
|
---|
[2700] | 529 |
|
---|
[492] | 530 | return result;
|
---|
[372] | 531 | }
|
---|
| 532 |
|
---|
| 533 | bool
|
---|
[2342] | 534 | Preprocessor::ExportPreprocessedData(const string &filename)
|
---|
[372] | 535 | {
|
---|
[1486] | 536 | mViewCellsManager->ExportViewCells(filename, true, mObjects);
|
---|
| 537 | return true;
|
---|
[372] | 538 | }
|
---|
| 539 |
|
---|
[1486] | 540 |
|
---|
[372] | 541 | bool
|
---|
[871] | 542 | Preprocessor::PostProcessVisibility()
|
---|
| 543 | {
|
---|
| 544 |
|
---|
[904] | 545 | if (mApplyVisibilityFilter || mApplyVisibilitySpatialFilter) {
|
---|
[997] | 546 | cout<<"Applying visibility filter ...";
|
---|
[1002] | 547 | cout<<"filter width = " << mVisibilityFilterWidth << endl;
|
---|
[904] | 548 |
|
---|
[1002] | 549 | if (!mViewCellsManager)
|
---|
[1199] | 550 | return false;
|
---|
| 551 |
|
---|
[2076] | 552 |
|
---|
[871] | 553 | mViewCellsManager->ApplyFilter(mKdTree,
|
---|
[2076] | 554 | mApplyVisibilityFilter ?
|
---|
| 555 | mVisibilityFilterWidth : -1.0f,
|
---|
| 556 | mApplyVisibilitySpatialFilter ?
|
---|
| 557 | mVisibilityFilterWidth : -1.0f);
|
---|
[997] | 558 | cout << "done." << endl;
|
---|
[871] | 559 | }
|
---|
| 560 |
|
---|
| 561 | // export the preprocessed information to a file
|
---|
[2053] | 562 | if (1 && mExportVisibility)
|
---|
[1486] | 563 | {
|
---|
| 564 | ExportPreprocessedData(mVisibilityFileName);
|
---|
| 565 | }
|
---|
| 566 |
|
---|
[871] | 567 | return true;
|
---|
| 568 | }
|
---|
| 569 |
|
---|
| 570 |
|
---|
| 571 | bool
|
---|
[372] | 572 | Preprocessor::BuildKdTree()
|
---|
| 573 | {
|
---|
| 574 | mKdTree = new KdTree;
|
---|
[1344] | 575 |
|
---|
[372] | 576 | // add mesh instances of the scene graph to the root of the tree
|
---|
| 577 | KdLeaf *root = (KdLeaf *)mKdTree->GetRoot();
|
---|
[1344] | 578 |
|
---|
[2601] | 579 | mSceneGraph->CollectObjects(root->mObjects);
|
---|
[1344] | 580 |
|
---|
[1415] | 581 | const long startTime = GetTime();
|
---|
[1201] | 582 | cout << "building kd tree ... " << endl;
|
---|
[1344] | 583 |
|
---|
[372] | 584 | mKdTree->Construct();
|
---|
[2582] | 585 | sceneBox = mKdTree->GetBox();
|
---|
[1344] | 586 |
|
---|
[1415] | 587 | cout << "finished kd tree construction in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
| 588 | << " secs " << endl;
|
---|
[1344] | 589 |
|
---|
[372] | 590 | return true;
|
---|
| 591 | }
|
---|
| 592 |
|
---|
[1415] | 593 |
|
---|
[372] | 594 | void
|
---|
| 595 | Preprocessor::KdTreeStatistics(ostream &s)
|
---|
| 596 | {
|
---|
| 597 | s<<mKdTree->GetStatistics();
|
---|
| 598 | }
|
---|
| 599 |
|
---|
| 600 | void
|
---|
| 601 | Preprocessor::BspTreeStatistics(ostream &s)
|
---|
| 602 | {
|
---|
| 603 | s << mBspTree->GetStatistics();
|
---|
| 604 | }
|
---|
| 605 |
|
---|
| 606 | bool
|
---|
[2342] | 607 | Preprocessor::Export( const string &filename,
|
---|
[2544] | 608 | const bool scene,
|
---|
| 609 | const bool kdtree
|
---|
| 610 | )
|
---|
[372] | 611 | {
|
---|
[2544] | 612 | Exporter *exporter = Exporter::GetExporter(filename);
|
---|
[372] | 613 |
|
---|
[2544] | 614 | if (exporter) {
|
---|
| 615 | if (2 && scene)
|
---|
| 616 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
[372] | 617 |
|
---|
[2544] | 618 | if (1 && kdtree) {
|
---|
| 619 | exporter->SetWireframe();
|
---|
| 620 | exporter->ExportKdTree(*mKdTree);
|
---|
| 621 | }
|
---|
[372] | 622 |
|
---|
[2544] | 623 | delete exporter;
|
---|
| 624 | return true;
|
---|
| 625 | }
|
---|
| 626 |
|
---|
| 627 | return false;
|
---|
[372] | 628 | }
|
---|
[429] | 629 |
|
---|
[508] | 630 |
|
---|
[463] | 631 | bool Preprocessor::PrepareViewCells()
|
---|
| 632 | {
|
---|
[2660] | 633 | #if 0
|
---|
[2543] | 634 | // load the view cells assigning the found objects to the pvss
|
---|
| 635 | cerr << "loading binary view cells" << endl;
|
---|
| 636 | ViewCellsManager *dummyViewCellsManager =
|
---|
| 637 | LoadViewCellsBinary("test.vc", mObjects, false, NULL);
|
---|
| 638 |
|
---|
| 639 | //cerr << "reexporting the binary view cells" << endl;
|
---|
| 640 | //dummyViewCellsManager->ExportViewCellsBinary("outvc.xml.gz", true, mObjects);
|
---|
| 641 |
|
---|
| 642 | return false;
|
---|
| 643 | #endif
|
---|
| 644 |
|
---|
[1523] | 645 | ///////
|
---|
[577] | 646 | //-- parse view cells construction method
|
---|
[1563] | 647 |
|
---|
[1004] | 648 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", mLoadViewCells);
|
---|
[577] | 649 | char buf[100];
|
---|
[1585] | 650 |
|
---|
[2172] | 651 | if (mLoadViewCells)
|
---|
[997] | 652 | {
|
---|
[2183] | 653 |
|
---|
| 654 | #ifdef USE_BIT_PVS
|
---|
| 655 | // HACK: for kd pvs, set pvs size to maximal number of kd nodes
|
---|
| 656 | vector<KdLeaf *> leaves;
|
---|
| 657 | preprocessor->mKdTree->CollectLeaves(leaves);
|
---|
| 658 |
|
---|
| 659 | ObjectPvs::SetPvsSize((int)leaves.size());
|
---|
| 660 | #endif
|
---|
| 661 |
|
---|
[2172] | 662 | Environment::GetSingleton()->GetStringValue("ViewCells.filename", buf);
|
---|
[2183] | 663 | cout << "loading objects from " << buf << endl;
|
---|
[2117] | 664 |
|
---|
[2703] | 665 | // load scene objects which are the entities used as pvs entries
|
---|
[2183] | 666 | ObjectContainer pvsObjects;
|
---|
| 667 | if (0) LoadObjects(buf, pvsObjects, mObjects);
|
---|
[2117] | 668 |
|
---|
[2700] | 669 | const bool finalizeViewCells = true;
|
---|
[2183] | 670 | cout << "loading view cells from " << buf << endl;
|
---|
[2660] | 671 |
|
---|
[2183] | 672 | mViewCellsManager = ViewCellsManager::LoadViewCells(buf,
|
---|
| 673 | pvsObjects,
|
---|
| 674 | mObjects,
|
---|
| 675 | finalizeViewCells,
|
---|
| 676 | NULL);
|
---|
| 677 |
|
---|
[1740] | 678 | cout << "view cells loaded." << endl<<flush;
|
---|
| 679 |
|
---|
| 680 | if (!mViewCellsManager)
|
---|
| 681 | {
|
---|
[2072] | 682 | cerr << "no view cells manager could be loaded" << endl;
|
---|
[1740] | 683 | return false;
|
---|
| 684 | }
|
---|
[577] | 685 | }
|
---|
| 686 | else
|
---|
| 687 | {
|
---|
[2543] | 688 | // parse type of view cells manager
|
---|
[1004] | 689 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
[1740] | 690 | mViewCellsManager = CreateViewCellsManager(buf);
|
---|
[1112] | 691 |
|
---|
[2700] | 692 | // default view space is the extent of the scene
|
---|
| 693 | AxisAlignedBox3 viewSpaceBox;
|
---|
| 694 |
|
---|
[1723] | 695 | if (mUseViewSpaceBox)
|
---|
[1563] | 696 | {
|
---|
[2700] | 697 | viewSpaceBox = mSceneGraph->GetBox();
|
---|
[1723] | 698 |
|
---|
[1563] | 699 | // use a small box outside of the scene
|
---|
[1723] | 700 | viewSpaceBox.Scale(Vector3(0.15f, 0.3f, 0.5f));
|
---|
[2700] | 701 | //viewSpaceBox.Translate(Vector3(Magnitude(mSceneGraph->GetBox().Size()) * 0.5f, 0, 0));
|
---|
[1723] | 702 | viewSpaceBox.Translate(Vector3(Magnitude(mSceneGraph->GetBox().Size()) * 0.3f, 0, 0));
|
---|
| 703 | mViewCellsManager->SetViewSpaceBox(viewSpaceBox);
|
---|
[1563] | 704 | }
|
---|
[2700] | 705 | else
|
---|
| 706 | {
|
---|
| 707 | viewSpaceBox = mSceneGraph->GetBox();
|
---|
| 708 | mViewCellsManager->SetViewSpaceBox(viewSpaceBox);
|
---|
| 709 | }
|
---|
| 710 |
|
---|
[1545] | 711 | bool loadVcGeometry;
|
---|
| 712 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadGeometry", loadVcGeometry);
|
---|
| 713 |
|
---|
| 714 | bool extrudeBaseTriangles;
|
---|
| 715 | Environment::GetSingleton()->GetBoolValue("ViewCells.useBaseTrianglesAsGeometry", extrudeBaseTriangles);
|
---|
| 716 |
|
---|
| 717 | char vcGeomFilename[100];
|
---|
| 718 | Environment::GetSingleton()->GetStringValue("ViewCells.geometryFilename", vcGeomFilename);
|
---|
[1740] | 719 |
|
---|
[1940] | 720 | // create view cells from specified geometry
|
---|
[1627] | 721 | if (loadVcGeometry)
|
---|
[1545] | 722 | {
|
---|
[1627] | 723 | if (mViewCellsManager->GetType() == ViewCellsManager::BSP)
|
---|
[1545] | 724 | {
|
---|
[1627] | 725 | if (!mViewCellsManager->LoadViewCellsGeometry(vcGeomFilename, extrudeBaseTriangles))
|
---|
| 726 | cerr << "loading view cells geometry failed" << endl;
|
---|
[1545] | 727 | }
|
---|
[1627] | 728 | else
|
---|
| 729 | {
|
---|
| 730 | cerr << "loading view cells geometry is not implemented for this manager" << endl;
|
---|
| 731 | }
|
---|
[1545] | 732 | }
|
---|
[577] | 733 | }
|
---|
[1740] | 734 |
|
---|
[1486] | 735 | ////////
|
---|
[1523] | 736 | //-- evaluation of render cost heuristics
|
---|
[1768] | 737 |
|
---|
[473] | 738 | float objRenderCost = 0, vcOverhead = 0, moveSpeed = 0;
|
---|
| 739 |
|
---|
[1004] | 740 | Environment::GetSingleton()->GetFloatValue("Simulation.objRenderCost",objRenderCost);
|
---|
| 741 | Environment::GetSingleton()->GetFloatValue("Simulation.vcOverhead", vcOverhead);
|
---|
| 742 | Environment::GetSingleton()->GetFloatValue("Simulation.moveSpeed", moveSpeed);
|
---|
[1740] | 743 |
|
---|
[473] | 744 | mRenderSimulator =
|
---|
| 745 | new RenderSimulator(mViewCellsManager, objRenderCost, vcOverhead, moveSpeed);
|
---|
[440] | 746 |
|
---|
[480] | 747 | mViewCellsManager->SetRenderer(mRenderSimulator);
|
---|
[1785] | 748 |
|
---|
[1581] | 749 | mViewCellsManager->SetPreprocessor(this);
|
---|
[1940] | 750 |
|
---|
[463] | 751 | return true;
|
---|
[490] | 752 | }
|
---|
| 753 |
|
---|
[1292] | 754 |
|
---|
[1563] | 755 | bool Preprocessor::ConstructViewCells()
|
---|
[1292] | 756 | {
|
---|
[1627] | 757 | // construct view cells using it's own set of samples
|
---|
| 758 | mViewCellsManager->Construct(this);
|
---|
| 759 |
|
---|
| 760 | // visualizations and statistics
|
---|
| 761 | Debug << "finished view cells:" << endl;
|
---|
| 762 | mViewCellsManager->PrintStatistics(Debug);
|
---|
| 763 |
|
---|
| 764 | return true;
|
---|
[1292] | 765 | }
|
---|
[490] | 766 |
|
---|
[1294] | 767 |
|
---|
[575] | 768 | ViewCellsManager *Preprocessor::CreateViewCellsManager(const char *name)
|
---|
| 769 | {
|
---|
[1264] | 770 | ViewCellsTree *vcTree = new ViewCellsTree;
|
---|
| 771 |
|
---|
[575] | 772 | if (strcmp(name, "kdTree") == 0)
|
---|
| 773 | {
|
---|
[1264] | 774 | mViewCellsManager = new KdViewCellsManager(vcTree, mKdTree);
|
---|
[575] | 775 | }
|
---|
| 776 | else if (strcmp(name, "bspTree") == 0)
|
---|
| 777 | {
|
---|
| 778 | Debug << "view cell type: Bsp" << endl;
|
---|
| 779 |
|
---|
[577] | 780 | mBspTree = new BspTree();
|
---|
[1264] | 781 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
[575] | 782 | }
|
---|
| 783 | else if (strcmp(name, "vspBspTree") == 0)
|
---|
| 784 | {
|
---|
| 785 | Debug << "view cell type: VspBsp" << endl;
|
---|
| 786 |
|
---|
[1004] | 787 | mVspBspTree = new VspBspTree();
|
---|
[1264] | 788 | mViewCellsManager = new VspBspViewCellsManager(vcTree, mVspBspTree);
|
---|
[575] | 789 | }
|
---|
[1006] | 790 | else if (strcmp(name, "vspOspTree") == 0)
|
---|
[575] | 791 | {
|
---|
[1421] | 792 | Debug << "view cell type: VspOsp" << endl;
|
---|
[1288] | 793 | char buf[100];
|
---|
| 794 | Environment::GetSingleton()->GetStringValue("Hierarchy.type", buf);
|
---|
[1022] | 795 |
|
---|
[1740] | 796 | mViewCellsManager = new VspOspViewCellsManager(vcTree, buf);
|
---|
[575] | 797 | }
|
---|
[1421] | 798 | else if (strcmp(name, "sceneDependent") == 0) //TODO
|
---|
[575] | 799 | {
|
---|
[1143] | 800 | Debug << "view cell type: Bsp" << endl;
|
---|
[1421] | 801 |
|
---|
[575] | 802 | mBspTree = new BspTree();
|
---|
[1264] | 803 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
[575] | 804 | }
|
---|
| 805 | else
|
---|
| 806 | {
|
---|
[664] | 807 | cerr << "Wrong view cells type " << name << "!!!" << endl;
|
---|
[575] | 808 | exit(1);
|
---|
| 809 | }
|
---|
| 810 |
|
---|
| 811 | return mViewCellsManager;
|
---|
| 812 | }
|
---|
| 813 |
|
---|
| 814 |
|
---|
[491] | 815 | // use ascii format to store rays
|
---|
| 816 | #define USE_ASCII 0
|
---|
| 817 |
|
---|
| 818 |
|
---|
[2342] | 819 | bool Preprocessor::LoadKdTree(const string &filename)
|
---|
[1197] | 820 | {
|
---|
[1414] | 821 | mKdTree = new KdTree();
|
---|
[2539] | 822 | return mKdTree->ImportBinTree(filename.c_str(), mObjects);
|
---|
[1197] | 823 | }
|
---|
| 824 |
|
---|
[1414] | 825 |
|
---|
[2342] | 826 | bool Preprocessor::ExportKdTree(const string &filename)
|
---|
[1197] | 827 | {
|
---|
[1414] | 828 | return mKdTree->ExportBinTree(filename.c_str());
|
---|
[1197] | 829 | }
|
---|
| 830 |
|
---|
| 831 |
|
---|
[490] | 832 | bool Preprocessor::LoadSamples(VssRayContainer &samples,
|
---|
| 833 | ObjectContainer &objects) const
|
---|
| 834 | {
|
---|
| 835 | std::stable_sort(objects.begin(), objects.end(), ilt);
|
---|
| 836 | char fileName[100];
|
---|
[1004] | 837 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
[490] | 838 |
|
---|
[491] | 839 | Vector3 origin, termination;
|
---|
| 840 | // HACK: needed only for lower_bound algorithm to find the
|
---|
| 841 | // intersected objects
|
---|
| 842 | MeshInstance sObj(NULL);
|
---|
| 843 | MeshInstance tObj(NULL);
|
---|
[490] | 844 |
|
---|
[491] | 845 | #if USE_ASCII
|
---|
[2452] | 846 | ifstream inStream(fileName);
|
---|
| 847 | if (!inStream.is_open())
|
---|
[490] | 848 | return false;
|
---|
| 849 |
|
---|
| 850 | string buf;
|
---|
[2452] | 851 | while (!(getline(inStream, buf)).eof())
|
---|
[490] | 852 | {
|
---|
[491] | 853 | sscanf(buf.c_str(), "%f %f %f %f %f %f %d %d",
|
---|
[490] | 854 | &origin.x, &origin.y, &origin.z,
|
---|
[491] | 855 | &termination.x, &termination.y, &termination.z,
|
---|
| 856 | &(sObj.mId), &(tObj.mId));
|
---|
[490] | 857 |
|
---|
[491] | 858 | Intersectable *sourceObj = NULL;
|
---|
| 859 | Intersectable *termObj = NULL;
|
---|
| 860 |
|
---|
| 861 | if (sObj.mId >= 0)
|
---|
[490] | 862 | {
|
---|
| 863 | ObjectContainer::iterator oit =
|
---|
[491] | 864 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 865 | sourceObj = *oit;
|
---|
| 866 | }
|
---|
| 867 |
|
---|
| 868 | if (tObj.mId >= 0)
|
---|
| 869 | {
|
---|
| 870 | ObjectContainer::iterator oit =
|
---|
| 871 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 872 | termObj = *oit;
|
---|
| 873 | }
|
---|
[490] | 874 |
|
---|
[491] | 875 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
| 876 | }
|
---|
| 877 | #else
|
---|
[2452] | 878 | ifstream inStream(fileName, ios::binary);
|
---|
| 879 | if (!inStream.is_open())
|
---|
[491] | 880 | return false;
|
---|
| 881 |
|
---|
| 882 | while (1)
|
---|
| 883 | {
|
---|
[2452] | 884 | inStream.read(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 885 | inStream.read(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 886 | inStream.read(reinterpret_cast<char *>(&(sObj.mId)), sizeof(int));
|
---|
| 887 | inStream.read(reinterpret_cast<char *>(&(tObj.mId)), sizeof(int));
|
---|
[491] | 888 |
|
---|
[2452] | 889 | if (inStream.eof())
|
---|
[491] | 890 | break;
|
---|
| 891 |
|
---|
| 892 | Intersectable *sourceObj = NULL;
|
---|
| 893 | Intersectable *termObj = NULL;
|
---|
| 894 |
|
---|
| 895 | if (sObj.mId >= 0)
|
---|
| 896 | {
|
---|
| 897 | ObjectContainer::iterator oit =
|
---|
| 898 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 899 | sourceObj = *oit;
|
---|
[490] | 900 | }
|
---|
[491] | 901 |
|
---|
| 902 | if (tObj.mId >= 0)
|
---|
[490] | 903 | {
|
---|
[491] | 904 | ObjectContainer::iterator oit =
|
---|
| 905 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 906 | termObj = *oit;
|
---|
[490] | 907 | }
|
---|
[491] | 908 |
|
---|
| 909 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
[490] | 910 | }
|
---|
[1779] | 911 | #endif
|
---|
[491] | 912 |
|
---|
[2452] | 913 | inStream.close();
|
---|
[490] | 914 |
|
---|
| 915 | return true;
|
---|
| 916 | }
|
---|
| 917 |
|
---|
[508] | 918 |
|
---|
| 919 | bool Preprocessor::ExportSamples(const VssRayContainer &samples) const
|
---|
[490] | 920 | {
|
---|
[491] | 921 | char fileName[100];
|
---|
[1004] | 922 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
[491] | 923 |
|
---|
[490] | 924 |
|
---|
| 925 | VssRayContainer::const_iterator it, it_end = samples.end();
|
---|
| 926 |
|
---|
[491] | 927 | #if USE_ASCII
|
---|
| 928 | ofstream samplesOut(fileName);
|
---|
[490] | 929 | if (!samplesOut.is_open())
|
---|
| 930 | return false;
|
---|
| 931 |
|
---|
| 932 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 933 | {
|
---|
| 934 | VssRay *ray = *it;
|
---|
[491] | 935 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 936 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 937 |
|
---|
[490] | 938 | samplesOut << ray->GetOrigin().x << " " << ray->GetOrigin().y << " " << ray->GetOrigin().z << " "
|
---|
| 939 | << ray->GetTermination().x << " " << ray->GetTermination().y << " " << ray->GetTermination().z << " "
|
---|
[491] | 940 | << sourceid << " " << termid << "\n";
|
---|
[490] | 941 | }
|
---|
[491] | 942 | #else
|
---|
| 943 | ofstream samplesOut(fileName, ios::binary);
|
---|
| 944 | if (!samplesOut.is_open())
|
---|
| 945 | return false;
|
---|
| 946 |
|
---|
| 947 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 948 | {
|
---|
| 949 | VssRay *ray = *it;
|
---|
| 950 | Vector3 origin(ray->GetOrigin());
|
---|
| 951 | Vector3 termination(ray->GetTermination());
|
---|
| 952 |
|
---|
| 953 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 954 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 955 |
|
---|
| 956 | samplesOut.write(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 957 | samplesOut.write(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 958 | samplesOut.write(reinterpret_cast<char *>(&sourceid), sizeof(int));
|
---|
| 959 | samplesOut.write(reinterpret_cast<char *>(&termid), sizeof(int));
|
---|
| 960 | }
|
---|
| 961 | #endif
|
---|
[490] | 962 | samplesOut.close();
|
---|
[1194] | 963 |
|
---|
[490] | 964 | return true;
|
---|
| 965 | }
|
---|
[563] | 966 |
|
---|
[1771] | 967 |
|
---|
| 968 | int
|
---|
| 969 | Preprocessor::GenerateRays(const int number,
|
---|
[1867] | 970 | SamplingStrategy &strategy,
|
---|
| 971 | SimpleRayContainer &rays)
|
---|
[1020] | 972 | {
|
---|
[1867] | 973 | return strategy.GenerateSamples(number, rays);
|
---|
[1771] | 974 | }
|
---|
[860] | 975 |
|
---|
[1990] | 976 |
|
---|
[1771] | 977 | int
|
---|
| 978 | Preprocessor::GenerateRays(const int number,
|
---|
[1898] | 979 | const int sampleType,
|
---|
| 980 | SimpleRayContainer &rays)
|
---|
[1771] | 981 | {
|
---|
[1772] | 982 | const int startSize = (int)rays.size();
|
---|
| 983 | SamplingStrategy *strategy = GenerateSamplingStrategy(sampleType);
|
---|
| 984 | int castRays = 0;
|
---|
| 985 |
|
---|
| 986 | if (!strategy)
|
---|
[1381] | 987 | {
|
---|
[1772] | 988 | return 0;
|
---|
[1381] | 989 | }
|
---|
[1772] | 990 |
|
---|
[1381] | 991 | #if 1
|
---|
[1772] | 992 | castRays = strategy->GenerateSamples(number, rays);
|
---|
[1381] | 993 | #else
|
---|
[1772] | 994 | GenerateRayBundle(rays, newRay, 16, 0);
|
---|
| 995 | castRays += 16;
|
---|
[1381] | 996 | #endif
|
---|
[1772] | 997 |
|
---|
| 998 | delete strategy;
|
---|
| 999 | return castRays;
|
---|
[878] | 1000 | }
|
---|
[1020] | 1001 |
|
---|
| 1002 |
|
---|
[1884] | 1003 | SamplingStrategy *Preprocessor::GenerateSamplingStrategy(const int strategyId)
|
---|
[1020] | 1004 | {
|
---|
| 1005 | switch (strategyId)
|
---|
| 1006 | {
|
---|
[1520] | 1007 | case SamplingStrategy::OBJECT_BASED_DISTRIBUTION:
|
---|
[1020] | 1008 | return new ObjectBasedDistribution(*this);
|
---|
[1520] | 1009 | case SamplingStrategy::OBJECT_DIRECTION_BASED_DISTRIBUTION:
|
---|
[1020] | 1010 | return new ObjectDirectionBasedDistribution(*this);
|
---|
[1520] | 1011 | case SamplingStrategy::DIRECTION_BASED_DISTRIBUTION:
|
---|
[1020] | 1012 | return new DirectionBasedDistribution(*this);
|
---|
[1520] | 1013 | case SamplingStrategy::DIRECTION_BOX_BASED_DISTRIBUTION:
|
---|
[1020] | 1014 | return new DirectionBoxBasedDistribution(*this);
|
---|
[1520] | 1015 | case SamplingStrategy::SPATIAL_BOX_BASED_DISTRIBUTION:
|
---|
[1020] | 1016 | return new SpatialBoxBasedDistribution(*this);
|
---|
[1695] | 1017 | case SamplingStrategy::REVERSE_OBJECT_BASED_DISTRIBUTION:
|
---|
| 1018 | return new ReverseObjectBasedDistribution(*this);
|
---|
[2691] | 1019 | //case SamplingStrategy::VIEWCELL_BORDER_BASED_DISTRIBUTION:
|
---|
| 1020 | // return new ViewCellBorderBasedDistribution(*this);
|
---|
[1772] | 1021 | case SamplingStrategy::REVERSE_VIEWSPACE_BORDER_BASED_DISTRIBUTION:
|
---|
| 1022 | return new ReverseViewSpaceBorderBasedDistribution(*this);
|
---|
[1824] | 1023 | case SamplingStrategy::GLOBAL_LINES_DISTRIBUTION:
|
---|
| 1024 | return new GlobalLinesDistribution(*this);
|
---|
| 1025 |
|
---|
| 1026 | //case OBJECTS_INTERIOR_DISTRIBUTION:
|
---|
| 1027 | // return new ObjectsInteriorDistribution(*this);
|
---|
[1020] | 1028 | default: // no valid strategy
|
---|
[1279] | 1029 | Debug << "warning: no valid sampling strategy" << endl;
|
---|
[1020] | 1030 | return NULL;
|
---|
| 1031 | }
|
---|
[1221] | 1032 |
|
---|
[1570] | 1033 | return NULL; // should never come here
|
---|
[1020] | 1034 | }
|
---|
| 1035 |
|
---|
| 1036 |
|
---|
[2342] | 1037 | bool Preprocessor::LoadInternKdTree(const string &internKdTree)
|
---|
[2003] | 1038 | {
|
---|
[2583] | 1039 | bool mUseKdTree = true;
|
---|
[2342] | 1040 |
|
---|
| 1041 |
|
---|
[2583] | 1042 | int rayCastMethod;
|
---|
| 1043 | Environment::GetSingleton()->
|
---|
| 1044 | GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
|
---|
[2575] | 1045 |
|
---|
[2700] | 1046 | #ifdef USE_HAVRAN_RAYCASTER
|
---|
| 1047 |
|
---|
[2643] | 1048 | if ((rayCastMethod == 2) || (rayCastMethod == 3))
|
---|
[2700] | 1049 | {
|
---|
| 1050 | HavranRayCaster *hr = 0;
|
---|
[2643] | 1051 |
|
---|
[2700] | 1052 | if (rayCastMethod == 3)
|
---|
| 1053 | hr = reinterpret_cast<HavranDynRayCaster*>(mRayCaster);
|
---|
| 1054 | else
|
---|
| 1055 | hr = reinterpret_cast<HavranRayCaster*>(mRayCaster);
|
---|
[2701] | 1056 |
|
---|
| 1057 | hr->Build(this->mObjects);
|
---|
[2700] | 1058 | }
|
---|
[2701] | 1059 |
|
---|
[2700] | 1060 | #endif
|
---|
[2643] | 1061 |
|
---|
| 1062 |
|
---|
[2583] | 1063 | if (!mUseKdTree) {
|
---|
| 1064 | // create just a dummy KdTree
|
---|
| 1065 | mKdTree = new KdTree;
|
---|
[2035] | 1066 | return true;
|
---|
[2583] | 1067 | }
|
---|
| 1068 |
|
---|
| 1069 |
|
---|
| 1070 |
|
---|
| 1071 | // always try to load the kd tree
|
---|
| 1072 | cout << "loading kd tree file " << internKdTree << " ... " << endl;
|
---|
| 1073 |
|
---|
| 1074 | if (!LoadKdTree(internKdTree)) {
|
---|
| 1075 | cout << "error loading kd tree with filename "
|
---|
| 1076 | << internKdTree << ", rebuilding it instead ... " << endl;
|
---|
| 1077 | // build new kd tree from scene geometry
|
---|
| 1078 | BuildKdTree();
|
---|
| 1079 |
|
---|
| 1080 | // export kd tree?
|
---|
| 1081 | const long startTime = GetTime();
|
---|
| 1082 | cout << "exporting kd tree ... ";
|
---|
| 1083 |
|
---|
| 1084 | if (!ExportKdTree(internKdTree))
|
---|
| 1085 | {
|
---|
| 1086 | cout << " error exporting kd tree with filename "
|
---|
| 1087 | << internKdTree << endl;
|
---|
| 1088 | }
|
---|
| 1089 | else
|
---|
| 1090 | {
|
---|
| 1091 | cout << "finished in "
|
---|
| 1092 | << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
| 1093 | << " secs" << endl;
|
---|
| 1094 | }
|
---|
| 1095 | }
|
---|
| 1096 |
|
---|
| 1097 | KdTreeStatistics(cout);
|
---|
[2588] | 1098 | sceneBox = mKdTree->GetBox();
|
---|
| 1099 |
|
---|
[2583] | 1100 | cout << mKdTree->GetBox() << endl;
|
---|
| 1101 |
|
---|
| 1102 | return true;
|
---|
[2003] | 1103 | }
|
---|
| 1104 |
|
---|
| 1105 |
|
---|
[2342] | 1106 | bool Preprocessor::InitRayCast(const string &externKdTree,
|
---|
[2623] | 1107 | const string &internKdTree)
|
---|
[1221] | 1108 | {
|
---|
[1520] | 1109 | int rayCastMethod;
|
---|
[1968] | 1110 | Environment::GetSingleton()->
|
---|
[2623] | 1111 | GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
|
---|
[1520] | 1112 |
|
---|
| 1113 | if (rayCastMethod == 0)
|
---|
[1221] | 1114 | {
|
---|
[2623] | 1115 | cout << "ray cast method: internal" << endl;
|
---|
| 1116 | mRayCaster = new InternalRayCaster(*this);
|
---|
[1221] | 1117 | }
|
---|
[2575] | 1118 | if (rayCastMethod == 1)
|
---|
[1520] | 1119 | {
|
---|
[1524] | 1120 | #ifdef GTP_INTERNAL
|
---|
[2623] | 1121 | cout << "ray cast method: intel" << endl;
|
---|
| 1122 | mRayCaster = new IntelRayCaster(*this, externKdTree);
|
---|
[1524] | 1123 | #endif
|
---|
[1251] | 1124 | }
|
---|
[2575] | 1125 | if (rayCastMethod == 2)
|
---|
| 1126 | {
|
---|
[2643] | 1127 | #ifdef USE_HAVRAN_RAYCASTER
|
---|
[2629] | 1128 | cout << "ray cast method: havran" << endl <<flush;
|
---|
| 1129 | mRayCaster = new GALIGN16 HavranRayCaster(*this);
|
---|
[2643] | 1130 | #endif
|
---|
[2575] | 1131 | }
|
---|
[2629] | 1132 | if (rayCastMethod == 3)
|
---|
| 1133 | {
|
---|
[2643] | 1134 | #ifdef USE_HAVRAN_RAYCASTER
|
---|
[2629] | 1135 | cout << "ray cast method: havran - dyn" << endl <<flush;
|
---|
| 1136 | mRayCaster = new GALIGN16 HavranDynRayCaster(*this);
|
---|
[2643] | 1137 | #endif
|
---|
[2629] | 1138 | }
|
---|
[2623] | 1139 |
|
---|
[2629] | 1140 |
|
---|
[2559] | 1141 | /////////////////
|
---|
[2072] | 1142 | //-- reserve constant block of rays
|
---|
| 1143 |
|
---|
| 1144 | // hack: If we dont't use view cells loading, there must be at least as much rays
|
---|
| 1145 | // as are needed for the view cells construction
|
---|
| 1146 | bool loadViewCells;
|
---|
| 1147 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", loadViewCells);
|
---|
| 1148 |
|
---|
[2187] | 1149 | int reserveRays;
|
---|
| 1150 | int constructionSamples;
|
---|
[2072] | 1151 |
|
---|
| 1152 | if (!loadViewCells)
|
---|
| 1153 | {
|
---|
[2187] | 1154 | cout << "hack: setting ray pool size to view cell construction or evaluation size" << endl;
|
---|
[2072] | 1155 |
|
---|
[2187] | 1156 | constructionSamples = 1000000;
|
---|
| 1157 |
|
---|
[2072] | 1158 | char buf[100];
|
---|
| 1159 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
[2187] | 1160 |
|
---|
[2072] | 1161 | if (strcmp(buf, "vspBspTree") == 0)
|
---|
| 1162 | {
|
---|
[2187] | 1163 | Environment::GetSingleton()->GetIntValue("VspBspTree.Construction.samples", constructionSamples);
|
---|
| 1164 |
|
---|
[2072] | 1165 | }
|
---|
| 1166 | else if (strcmp(buf, "vspOspTree") == 0)
|
---|
| 1167 | {
|
---|
[2187] | 1168 | Environment::GetSingleton()->GetIntValue("Hierarchy.Construction.samples", constructionSamples);
|
---|
[2072] | 1169 | }
|
---|
[2187] | 1170 |
|
---|
| 1171 | int evalSamplesPerPass;
|
---|
| 1172 |
|
---|
| 1173 | Environment::GetSingleton()->GetIntValue("ViewCells.Evaluation.samplesPerPass", evalSamplesPerPass);
|
---|
| 1174 |
|
---|
| 1175 | reserveRays = max(constructionSamples, evalSamplesPerPass);
|
---|
| 1176 | reserveRays *= 2;
|
---|
[2072] | 1177 | }
|
---|
| 1178 | else
|
---|
| 1179 | {
|
---|
[2687] | 1180 | const int n = 4;
|
---|
| 1181 | cout << "hack: setting ray pool size to multiple " << n << " of samples per pass" << endl;
|
---|
| 1182 | reserveRays = mSamplesPerPass * n;
|
---|
[2072] | 1183 | }
|
---|
| 1184 |
|
---|
[2048] | 1185 | cout << "======================" << endl;
|
---|
[2072] | 1186 | cout << "reserving " << reserveRays << " rays " << endl;
|
---|
| 1187 | mRayCaster->ReserveVssRayPool(reserveRays);
|
---|
[2583] | 1188 | cout<<"done."<<endl<<flush;
|
---|
[1520] | 1189 | return true;
|
---|
[1281] | 1190 | }
|
---|
| 1191 |
|
---|
[1292] | 1192 |
|
---|
[1281] | 1193 | void
|
---|
| 1194 | Preprocessor::CastRays(
|
---|
| 1195 | SimpleRayContainer &rays,
|
---|
[1520] | 1196 | VssRayContainer &vssRays,
|
---|
[1528] | 1197 | const bool castDoubleRays,
|
---|
[1996] | 1198 | const bool pruneInvalidRays
|
---|
[1281] | 1199 | )
|
---|
| 1200 | {
|
---|
[2069] | 1201 | const long t1 = GetTime();
|
---|
[2582] | 1202 |
|
---|
| 1203 | // !!!!!!!!!!!!!!!! VH no sorting
|
---|
[2634] | 1204 | if (
|
---|
[2614] | 1205 | rays.size() > 10000
|
---|
[2606] | 1206 | )
|
---|
[2614] | 1207 | {
|
---|
| 1208 | mRayCaster->SortRays(rays);
|
---|
| 1209 | cout<<"Rays sorted in "<<TimeDiff(t1, GetTime())<<" ms."<<endl;
|
---|
[1984] | 1210 | }
|
---|
[1972] | 1211 |
|
---|
[2614] | 1212 | int numTransformed = 0;
|
---|
[2072] | 1213 |
|
---|
[2614] | 1214 |
|
---|
[2076] | 1215 | if (mUseHwGlobalLines)
|
---|
[2187] | 1216 | {
|
---|
[2539] | 1217 | CastRaysWithHwGlobalLines(
|
---|
| 1218 | rays,
|
---|
| 1219 | vssRays,
|
---|
| 1220 | castDoubleRays,
|
---|
| 1221 | pruneInvalidRays
|
---|
| 1222 | );
|
---|
[2187] | 1223 | }
|
---|
[2076] | 1224 | else
|
---|
[2187] | 1225 | {
|
---|
[2539] | 1226 | mRayCaster->CastRays(
|
---|
| 1227 | rays,
|
---|
| 1228 | vssRays,
|
---|
| 1229 | mViewCellsManager->GetViewSpaceBox(),
|
---|
| 1230 | castDoubleRays,
|
---|
| 1231 | pruneInvalidRays);
|
---|
[2609] | 1232 |
|
---|
[2636] | 1233 | // disabled not neccessary
|
---|
| 1234 | UpdateDynamicObjects();
|
---|
[2187] | 1235 | }
|
---|
| 1236 |
|
---|
[2610] | 1237 |
|
---|
[2187] | 1238 | if (rays.size() > 10000)
|
---|
[2076] | 1239 | {
|
---|
| 1240 | cout << endl;
|
---|
[2539] | 1241 | long t2 = GetTime();
|
---|
[2072] | 1242 |
|
---|
[2076] | 1243 | #if SHOW_RAYCAST_TIMING
|
---|
| 1244 | if (castDoubleRays)
|
---|
[2687] | 1245 | cout << 2 * rays.size() / (1e3f * TimeDiff(t1, t2)) << "M double rays/s" << endl;
|
---|
[2076] | 1246 | else
|
---|
[2687] | 1247 | cout << rays.size() / (1e3f * TimeDiff(t1, t2)) << "M single rays/s" << endl;
|
---|
[2076] | 1248 | #endif
|
---|
[2590] | 1249 |
|
---|
[2076] | 1250 | }
|
---|
[2687] | 1251 |
|
---|
[2076] | 1252 | DeterminePvsObjects(vssRays);
|
---|
| 1253 | }
|
---|
| 1254 |
|
---|
| 1255 |
|
---|
| 1256 | void
|
---|
| 1257 | Preprocessor::CastRaysWithHwGlobalLines(
|
---|
| 1258 | SimpleRayContainer &rays,
|
---|
[2187] | 1259 | VssRayContainer &vssRays,
|
---|
| 1260 | const bool castDoubleRays,
|
---|
| 1261 | const bool pruneInvalidRays)
|
---|
[2076] | 1262 | {
|
---|
| 1263 | SimpleRayContainer::const_iterator rit, rit_end = rays.end();
|
---|
| 1264 | SimpleRayContainer rayBucket;
|
---|
| 1265 | int i = 0;
|
---|
| 1266 | for (rit = rays.begin(); rit != rit_end; ++ rit, ++ i)
|
---|
[1292] | 1267 | {
|
---|
[2076] | 1268 | SimpleRay ray = *rit;
|
---|
[1990] | 1269 | #ifdef USE_CG
|
---|
[1972] | 1270 | // HACK: global lines must be treated special
|
---|
[2076] | 1271 | if (ray.mDistribution == SamplingStrategy::HW_GLOBAL_LINES_DISTRIBUTION)
|
---|
[1968] | 1272 | {
|
---|
[2076] | 1273 | mGlobalLinesRenderer->CastGlobalLines(ray, vssRays);
|
---|
| 1274 | continue;
|
---|
[1968] | 1275 | }
|
---|
[1990] | 1276 | #endif
|
---|
[2187] | 1277 | rayBucket.push_back(ray);
|
---|
| 1278 |
|
---|
| 1279 | // 16 rays gathered => do ray casting
|
---|
| 1280 | if (rayBucket.size() >= 16)
|
---|
[1520] | 1281 | {
|
---|
[2187] | 1282 | mRayCaster->CastRays16(
|
---|
| 1283 | rayBucket,
|
---|
| 1284 | vssRays,
|
---|
| 1285 | mViewCellsManager->GetViewSpaceBox(),
|
---|
| 1286 | castDoubleRays,
|
---|
| 1287 | pruneInvalidRays);
|
---|
| 1288 |
|
---|
| 1289 | rayBucket.clear();
|
---|
[1292] | 1290 | }
|
---|
[2187] | 1291 |
|
---|
| 1292 | if (rays.size() > 100000 && i % 100000 == 0)
|
---|
[2072] | 1293 | cout<<"\r"<<i<<"/"<<(int)rays.size()<<"\r";
|
---|
[1972] | 1294 | }
|
---|
[2072] | 1295 |
|
---|
[1972] | 1296 | // cast rest of rays
|
---|
| 1297 | SimpleRayContainer::const_iterator sit, sit_end = rayBucket.end();
|
---|
| 1298 |
|
---|
| 1299 | for (sit = rayBucket.begin(); sit != sit_end; ++ sit)
|
---|
| 1300 | {
|
---|
| 1301 | SimpleRay ray = *sit;
|
---|
[1990] | 1302 |
|
---|
| 1303 | #ifdef USE_CG
|
---|
[1972] | 1304 | // HACK: global lines must be treated special
|
---|
| 1305 | if (ray.mDistribution == SamplingStrategy::HW_GLOBAL_LINES_DISTRIBUTION)
|
---|
[1932] | 1306 | {
|
---|
[1972] | 1307 | mGlobalLinesRenderer->CastGlobalLines(ray, vssRays);
|
---|
[1990] | 1308 | continue;
|
---|
[1972] | 1309 | }
|
---|
[1990] | 1310 | #endif
|
---|
| 1311 | mRayCaster->CastRay(
|
---|
| 1312 | ray,
|
---|
| 1313 | vssRays,
|
---|
| 1314 | mViewCellsManager->GetViewSpaceBox(),
|
---|
| 1315 | castDoubleRays,
|
---|
[1996] | 1316 | pruneInvalidRays);
|
---|
[1990] | 1317 |
|
---|
[1524] | 1318 | }
|
---|
[1743] | 1319 |
|
---|
[1251] | 1320 | }
|
---|
| 1321 |
|
---|
| 1322 |
|
---|
[1381] | 1323 | bool Preprocessor::GenerateRayBundle(SimpleRayContainer &rayBundle,
|
---|
| 1324 | const SimpleRay &mainRay,
|
---|
| 1325 | const int number,
|
---|
| 1326 | const int pertubType) const
|
---|
| 1327 | {
|
---|
| 1328 | rayBundle.push_back(mainRay);
|
---|
| 1329 |
|
---|
[1564] | 1330 | const float pertubOrigin = 0.0f;
|
---|
| 1331 | const float pertubDir = 0.2f;
|
---|
[1381] | 1332 |
|
---|
| 1333 | for (int i = 0; i < number - 1; ++ i)
|
---|
| 1334 | {
|
---|
| 1335 | Vector3 pertub;
|
---|
| 1336 |
|
---|
| 1337 | pertub.x = RandomValue(0.0f, pertubDir);
|
---|
| 1338 | pertub.y = RandomValue(0.0f, pertubDir);
|
---|
| 1339 | pertub.z = RandomValue(0.0f, pertubDir);
|
---|
[1713] | 1340 |
|
---|
[1381] | 1341 | const Vector3 newDir = mainRay.mDirection + pertub;
|
---|
| 1342 | //const Vector3 newDir = mainRay.mDirection;
|
---|
| 1343 |
|
---|
| 1344 | pertub.x = RandomValue(0.0f, pertubOrigin);
|
---|
| 1345 | pertub.y = RandomValue(0.0f, pertubOrigin);
|
---|
| 1346 | pertub.z = RandomValue(0.0f, pertubOrigin);
|
---|
[1713] | 1347 |
|
---|
[1381] | 1348 | const Vector3 newOrigin = mainRay.mOrigin + pertub;
|
---|
| 1349 | //const Vector3 newOrigin = mainRay.mOrigin;
|
---|
| 1350 |
|
---|
[1883] | 1351 | rayBundle.push_back(SimpleRay(newOrigin, newDir, 0, 1.0f));
|
---|
[1381] | 1352 | }
|
---|
| 1353 |
|
---|
| 1354 | return true;
|
---|
| 1355 | }
|
---|
| 1356 |
|
---|
| 1357 |
|
---|
[1251] | 1358 | void Preprocessor::SetupRay(Ray &ray,
|
---|
| 1359 | const Vector3 &point,
|
---|
[1713] | 1360 | const Vector3 &direction) const
|
---|
[1251] | 1361 | {
|
---|
| 1362 | ray.Clear();
|
---|
| 1363 | // do not store anything else then intersections at the ray
|
---|
[1713] | 1364 | ray.Init(point, direction, Ray::LOCAL_RAY);
|
---|
[1251] | 1365 | }
|
---|
| 1366 |
|
---|
[1968] | 1367 |
|
---|
[1917] | 1368 | void Preprocessor::EvalViewCellHistogram()
|
---|
[1771] | 1369 | {
|
---|
[1917] | 1370 | char filename[256];
|
---|
| 1371 | Environment::GetSingleton()->GetStringValue("Preprocessor.histogram.file", filename);
|
---|
[1771] | 1372 |
|
---|
[1917] | 1373 | // mViewCellsManager->EvalViewCellHistogram(filename, 1000000);
|
---|
| 1374 | mViewCellsManager->EvalViewCellHistogramForPvsSize(filename, 1000000);
|
---|
[1771] | 1375 | }
|
---|
[1520] | 1376 |
|
---|
[1900] | 1377 |
|
---|
| 1378 | bool
|
---|
| 1379 | Preprocessor::ExportRays(const char *filename,
|
---|
| 1380 | const VssRayContainer &vssRays,
|
---|
[2001] | 1381 | const int number,
|
---|
| 1382 | const bool exportScene
|
---|
[1900] | 1383 | )
|
---|
| 1384 | {
|
---|
| 1385 | cout<<"Exporting vss rays..."<<endl<<flush;
|
---|
| 1386 |
|
---|
| 1387 | Exporter *exporter = NULL;
|
---|
| 1388 | exporter = Exporter::GetExporter(filename);
|
---|
| 1389 |
|
---|
| 1390 | if (0) {
|
---|
| 1391 | exporter->SetWireframe();
|
---|
| 1392 | exporter->ExportKdTree(*mKdTree);
|
---|
| 1393 | }
|
---|
| 1394 |
|
---|
| 1395 | exporter->SetFilled();
|
---|
| 1396 | // $$JB temporarily do not export the scene
|
---|
[2001] | 1397 | if (exportScene)
|
---|
[1900] | 1398 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
| 1399 |
|
---|
| 1400 | exporter->SetWireframe();
|
---|
| 1401 |
|
---|
| 1402 | if (1) {
|
---|
| 1403 | exporter->SetForcedMaterial(RgbColor(1,0,1));
|
---|
| 1404 | exporter->ExportBox(mViewCellsManager->GetViewSpaceBox());
|
---|
| 1405 | exporter->ResetForcedMaterial();
|
---|
| 1406 | }
|
---|
| 1407 |
|
---|
| 1408 | VssRayContainer rays;
|
---|
| 1409 | vssRays.SelectRays(number, rays);
|
---|
| 1410 | exporter->ExportRays(rays, RgbColor(1, 0, 0));
|
---|
| 1411 | delete exporter;
|
---|
| 1412 | cout<<"done."<<endl<<flush;
|
---|
| 1413 |
|
---|
| 1414 | return true;
|
---|
[1251] | 1415 | }
|
---|
[1900] | 1416 |
|
---|
[2002] | 1417 | bool
|
---|
| 1418 | Preprocessor::ExportRayAnimation(const char *filename,
|
---|
| 1419 | const vector<VssRayContainer> &vssRays
|
---|
| 1420 | )
|
---|
| 1421 | {
|
---|
| 1422 | cout<<"Exporting vss rays..."<<endl<<flush;
|
---|
| 1423 |
|
---|
| 1424 | Exporter *exporter = NULL;
|
---|
| 1425 | exporter = Exporter::GetExporter(filename);
|
---|
| 1426 | if (0) {
|
---|
| 1427 | exporter->SetWireframe();
|
---|
| 1428 | exporter->ExportKdTree(*mKdTree);
|
---|
| 1429 | }
|
---|
| 1430 | exporter->SetFilled();
|
---|
| 1431 | // $$JB temporarily do not export the scene
|
---|
[2008] | 1432 | if (0)
|
---|
[2002] | 1433 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
| 1434 | exporter->SetWireframe();
|
---|
| 1435 |
|
---|
| 1436 | if (1) {
|
---|
| 1437 | exporter->SetForcedMaterial(RgbColor(1,0,1));
|
---|
| 1438 | exporter->ExportBox(mViewCellsManager->GetViewSpaceBox());
|
---|
| 1439 | exporter->ResetForcedMaterial();
|
---|
| 1440 | }
|
---|
| 1441 |
|
---|
| 1442 | exporter->ExportRaySets(vssRays, RgbColor(1, 0, 0));
|
---|
| 1443 |
|
---|
| 1444 | delete exporter;
|
---|
| 1445 |
|
---|
| 1446 | cout<<"done."<<endl<<flush;
|
---|
| 1447 |
|
---|
| 1448 | return true;
|
---|
| 1449 | }
|
---|
| 1450 |
|
---|
[1931] | 1451 | void
|
---|
| 1452 | Preprocessor::ComputeRenderError()
|
---|
| 1453 | {
|
---|
| 1454 | // compute rendering error
|
---|
| 1455 |
|
---|
| 1456 | if (renderer && renderer->mPvsStatFrames) {
|
---|
[2680] | 1457 |
|
---|
| 1458 | if (!mViewCellsManager->GetViewCellPointsList()->empty())
|
---|
| 1459 | {
|
---|
[2049] | 1460 |
|
---|
[2598] | 1461 | ViewCellPointsList *vcPoints = mViewCellsManager->GetViewCellPointsList();
|
---|
[2049] | 1462 |
|
---|
[2598] | 1463 | ViewCellPointsList::const_iterator
|
---|
[2050] | 1464 | vit = vcPoints->begin(),
|
---|
| 1465 | vit_end = vcPoints->end();
|
---|
| 1466 |
|
---|
[2049] | 1467 | SimpleRayContainer viewPoints;
|
---|
| 1468 |
|
---|
[2050] | 1469 | for (; vit != vit_end; ++ vit) {
|
---|
[2049] | 1470 | ViewCellPoints *vp = *vit;
|
---|
| 1471 |
|
---|
| 1472 | SimpleRayContainer::const_iterator rit = vp->second.begin(), rit_end = vp->second.end();
|
---|
| 1473 | for (; rit!=rit_end; ++rit)
|
---|
| 1474 | viewPoints.push_back(*rit);
|
---|
| 1475 | }
|
---|
[2647] | 1476 |
|
---|
[2050] | 1477 | if (viewPoints.size() != renderer->mPvsErrorBuffer.size()) {
|
---|
| 1478 | renderer->mPvsErrorBuffer.resize(viewPoints.size());
|
---|
| 1479 | renderer->ClearErrorBuffer();
|
---|
| 1480 | }
|
---|
| 1481 |
|
---|
[2680] | 1482 | cout << "evaluating list of " << viewPoints.size() << " pts" << endl;
|
---|
[2049] | 1483 | renderer->EvalPvsStat(viewPoints);
|
---|
| 1484 | } else
|
---|
[2648] | 1485 | {
|
---|
[2680] | 1486 | cout << "evaluating random points" << endl;
|
---|
[2049] | 1487 | renderer->EvalPvsStat();
|
---|
[2648] | 1488 | }
|
---|
| 1489 |
|
---|
[1931] | 1490 | mStats <<
|
---|
| 1491 | "#AvgPvsRenderError\n" <<renderer->mPvsStat.GetAvgError()<<endl<<
|
---|
[2002] | 1492 | "#AvgPixelError\n" <<renderer->GetAvgPixelError()<<endl<<
|
---|
[2008] | 1493 | "#MaxPixelError\n" <<renderer->GetMaxPixelError()<<endl<<
|
---|
[1931] | 1494 | "#MaxPvsRenderError\n" <<renderer->mPvsStat.GetMaxError()<<endl<<
|
---|
| 1495 | "#ErrorFreeFrames\n" <<renderer->mPvsStat.GetErrorFreeFrames()<<endl<<
|
---|
| 1496 | "#AvgRenderPvs\n" <<renderer->mPvsStat.GetAvgPvs()<<endl;
|
---|
| 1497 | }
|
---|
[1900] | 1498 | }
|
---|
[1931] | 1499 |
|
---|
[1958] | 1500 |
|
---|
| 1501 | Intersectable *Preprocessor::GetObjectById(const int id)
|
---|
| 1502 | {
|
---|
[1960] | 1503 | #if 1
|
---|
[1958] | 1504 | // create a dummy mesh instance to be able to use stl
|
---|
| 1505 | MeshInstance object(NULL);
|
---|
| 1506 | object.SetId(id);
|
---|
| 1507 |
|
---|
| 1508 | ObjectContainer::const_iterator oit =
|
---|
| 1509 | lower_bound(mObjects.begin(), mObjects.end(), &object, ilt);
|
---|
| 1510 |
|
---|
| 1511 | // objects sorted by id
|
---|
| 1512 | if ((oit != mObjects.end()) && ((*oit)->GetId() == object.GetId()))
|
---|
| 1513 | {
|
---|
| 1514 | return (*oit);
|
---|
| 1515 | }
|
---|
| 1516 | else
|
---|
| 1517 | {
|
---|
| 1518 | return NULL;
|
---|
| 1519 | }
|
---|
| 1520 | #else
|
---|
[2685] | 1521 | return mObjects[id];
|
---|
[1958] | 1522 | #endif
|
---|
[1931] | 1523 | }
|
---|
[1958] | 1524 |
|
---|
[1968] | 1525 |
|
---|
| 1526 | void Preprocessor::PrepareHwGlobalLines()
|
---|
| 1527 | {
|
---|
| 1528 | int texHeight, texWidth;
|
---|
| 1529 | float eps;
|
---|
| 1530 | int maxDepth;
|
---|
| 1531 | bool sampleReverse;
|
---|
| 1532 |
|
---|
| 1533 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.texHeight", texHeight);
|
---|
[1969] | 1534 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.texWidth", texWidth);
|
---|
[1968] | 1535 | Environment::GetSingleton()->GetFloatValue("Preprocessor.HwGlobalLines.stepSize", eps);
|
---|
| 1536 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.maxDepth", maxDepth);
|
---|
| 1537 | Environment::GetSingleton()->GetBoolValue("Preprocessor.HwGlobalLines.sampleReverse", sampleReverse);
|
---|
| 1538 |
|
---|
[1969] | 1539 | Debug << "****** hw global line options *******" << endl;
|
---|
| 1540 | Debug << "texWidth: " << texWidth << endl;
|
---|
| 1541 | Debug << "texHeight: " << texHeight << endl;
|
---|
| 1542 | Debug << "sampleReverse: " << sampleReverse << endl;
|
---|
| 1543 | Debug << "max depth: " << maxDepth << endl;
|
---|
| 1544 | Debug << "step size: " << eps << endl;
|
---|
| 1545 | Debug << endl;
|
---|
| 1546 |
|
---|
[1990] | 1547 | #ifdef USE_CG
|
---|
[1969] | 1548 | globalLinesRenderer = mGlobalLinesRenderer =
|
---|
[1968] | 1549 | new GlobalLinesRenderer(this,
|
---|
| 1550 | texHeight,
|
---|
| 1551 | texWidth,
|
---|
| 1552 | eps,
|
---|
| 1553 | maxDepth,
|
---|
| 1554 | sampleReverse);
|
---|
[1990] | 1555 |
|
---|
[1968] | 1556 | mGlobalLinesRenderer->InitGl();
|
---|
[1990] | 1557 |
|
---|
| 1558 | #endif
|
---|
[1958] | 1559 | }
|
---|
[1968] | 1560 |
|
---|
[2048] | 1561 |
|
---|
| 1562 | void Preprocessor::DeterminePvsObjects(VssRayContainer &rays)
|
---|
| 1563 | {
|
---|
[2606] | 1564 | mViewCellsManager->DeterminePvsObjects(rays, false);
|
---|
[1968] | 1565 | }
|
---|
[2048] | 1566 |
|
---|
| 1567 |
|
---|
[2183] | 1568 | bool Preprocessor::LoadObjects(const string &filename,
|
---|
| 1569 | ObjectContainer &pvsObjects,
|
---|
| 1570 | const ObjectContainer &preprocessorObjects)
|
---|
| 1571 | {
|
---|
| 1572 | ObjectsParser parser;
|
---|
| 1573 |
|
---|
| 1574 | const bool success = parser.ParseObjects(filename,
|
---|
| 1575 | pvsObjects,
|
---|
| 1576 | preprocessorObjects);
|
---|
| 1577 |
|
---|
| 1578 | if (!success)
|
---|
| 1579 | {
|
---|
| 1580 | Debug << "Error: loading objects failed!" << endl;
|
---|
| 1581 | }
|
---|
| 1582 |
|
---|
| 1583 | // hack: no bvh object could be found => take preprocessor objects
|
---|
| 1584 | if (pvsObjects.empty())
|
---|
| 1585 | {
|
---|
| 1586 | Debug << "no objects" << endl;
|
---|
| 1587 | pvsObjects = preprocessorObjects;
|
---|
| 1588 | }
|
---|
| 1589 |
|
---|
| 1590 | return success;
|
---|
[2048] | 1591 | }
|
---|
[2183] | 1592 |
|
---|
| 1593 |
|
---|
[2702] | 1594 | void Preprocessor::RegisterDynamicObject(SceneGraphLeaf *leaf)
|
---|
| 1595 | {
|
---|
| 1596 | mDynamicObjects.push_back(leaf);
|
---|
| 1597 |
|
---|
| 1598 | // add to scene graph
|
---|
| 1599 | mSceneGraph->GetRoot()->mChildren.push_back(leaf);
|
---|
| 1600 |
|
---|
[2703] | 1601 | if (mRayCaster)
|
---|
| 1602 | mRayCaster->AddDynamicObjecs(leaf->mGeometry, leaf->GetTransformation());
|
---|
| 1603 | // $$ JB in order to compile
|
---|
| 1604 | //return leaf;
|
---|
[2609] | 1605 | }
|
---|
| 1606 |
|
---|
| 1607 |
|
---|
[2694] | 1608 | SceneGraphLeaf *Preprocessor::LoadDynamicGeometry(const string &filename)
|
---|
[2609] | 1609 | {
|
---|
[2682] | 1610 | const bool dynamic = true;
|
---|
[2615] | 1611 | SceneGraphLeaf *leaf = new SceneGraphLeaf(dynamic);
|
---|
[2682] | 1612 |
|
---|
[2638] | 1613 | bool parsed = false;
|
---|
[2609] | 1614 |
|
---|
[2678] | 1615 | if (strstr(filename.c_str(), ".obj"))
|
---|
| 1616 | {
|
---|
| 1617 | cout<<"parsing obj file.."<<endl;
|
---|
| 1618 | ObjParser *p = new ObjParser;
|
---|
[2694] | 1619 | parsed = p->ParseFile(filename, leaf, false);
|
---|
[2678] | 1620 | }
|
---|
| 1621 | else
|
---|
| 1622 | {
|
---|
| 1623 | cout<<"parsing binary obj file ... " << endl;
|
---|
| 1624 | parsed = LoadBinaryObj(filename, leaf, NULL, 100);
|
---|
[2638] | 1625 | }
|
---|
[2678] | 1626 |
|
---|
[2638] | 1627 | if (parsed)
|
---|
[2678] | 1628 | {
|
---|
[2694] | 1629 | ObjectContainer::const_iterator it, it_end = leaf->mGeometry.end();
|
---|
[2678] | 1630 |
|
---|
[2694] | 1631 | for (it = leaf->mGeometry.begin(); it != it_end; ++ it)
|
---|
| 1632 | {
|
---|
| 1633 | TriangleIntersectable *tri = static_cast<TriangleIntersectable *>(*it);
|
---|
[2678] | 1634 |
|
---|
[2694] | 1635 | Triangle3 t = tri->GetItem();
|
---|
[2636] | 1636 |
|
---|
[2702] | 1637 | // hack: scale object appropriately
|
---|
| 1638 | float scale = 0.01f;
|
---|
| 1639 |
|
---|
[2694] | 1640 | t.mVertices[0] *= scale;
|
---|
| 1641 | t.mVertices[1] *= scale;
|
---|
| 1642 | t.mVertices[2] *= scale;
|
---|
[2636] | 1643 |
|
---|
[2694] | 1644 | tri->SetItem(t);
|
---|
| 1645 | }
|
---|
[2682] | 1646 |
|
---|
[2694] | 1647 | leaf->UpdateBox();
|
---|
| 1648 | cout<<"Dynamic object loaded successfully: " << leaf->GetBox() << endl;
|
---|
| 1649 |
|
---|
| 1650 | return leaf;
|
---|
| 1651 | }
|
---|
| 1652 |
|
---|
| 1653 |
|
---|
| 1654 | cout<<"Dynamic object loading failed."<<endl;
|
---|
| 1655 | return NULL;
|
---|
[2183] | 1656 | }
|
---|
[2593] | 1657 |
|
---|
[2636] | 1658 |
|
---|
[2700] | 1659 | /** Object has moved - must dynamically update all affected PVSs */
|
---|
| 1660 | void
|
---|
[2707] | 1661 | Preprocessor::ObjectMoved(SceneGraphLeaf *leaf)
|
---|
[2636] | 1662 | {
|
---|
[2700] | 1663 | // first invalidate all PVS from which this object is visible
|
---|
| 1664 | ViewCellContainer::const_iterator vit, vit_end = mViewCellsManager->GetViewCells().end();
|
---|
[2707] | 1665 |
|
---|
| 1666 | AxisAlignedBox3 box = leaf->GetBox();
|
---|
| 1667 | Intersectable *inter = leaf->GetIntersectable();
|
---|
| 1668 | int removedEntries = 0;
|
---|
[2708] | 1669 | CSeparatingAxisTester shadowVolume;
|
---|
| 1670 |
|
---|
[2707] | 1671 | // now search for pvss which contained any mailed node
|
---|
| 1672 | for (vit = mViewCellsManager->GetViewCells().begin(); vit != vit_end; ++ vit) {
|
---|
| 1673 | ObjectPvs &pvs = (*vit)->GetPvs();
|
---|
| 1674 | if (Overlap(box, (*vit)->GetBox())) {
|
---|
| 1675 | pvs.Clear();
|
---|
| 1676 | removedEntries += pvs.GetSize();
|
---|
| 1677 | } else {
|
---|
| 1678 |
|
---|
| 1679 | // cout<<(*vit)->GetBox()<<" "<<box<<endl;
|
---|
| 1680 | shadowVolume.Init((*vit)->GetBox(), box);
|
---|
| 1681 |
|
---|
| 1682 | int j = 0;
|
---|
| 1683 | for (int i=0; i < pvs.mEntries.size(); i++) {
|
---|
| 1684 | Intersectable *o = pvs.mEntries[i].mObject;
|
---|
[2678] | 1685 |
|
---|
[2707] | 1686 | if (!shadowVolume.TestIsInsideShaft(o->GetBox())) {
|
---|
| 1687 | if (j != i)
|
---|
| 1688 | pvs.mEntries[j] = pvs.mEntries[i];
|
---|
| 1689 | j++;
|
---|
| 1690 | } else {
|
---|
| 1691 | removedEntries++;
|
---|
[2678] | 1692 | }
|
---|
[2707] | 1693 | }
|
---|
| 1694 | pvs.mLastSorted = 0;
|
---|
| 1695 | if (j==0)
|
---|
| 1696 | pvs.mEntries.clear();
|
---|
| 1697 | else {
|
---|
| 1698 | pvs.mEntries.resize(j);
|
---|
| 1699 | pvs.SimpleSort();
|
---|
| 1700 | }
|
---|
[2638] | 1701 | }
|
---|
[2707] | 1702 | }
|
---|
| 1703 |
|
---|
| 1704 | cerr<<"Number of removed pvs entries = "<<removedEntries<<endl;
|
---|
| 1705 | // cout<<"Cleared "<<pvsCounter<<" PVSs ("<<mViewCellsManager->GetViewCells().size()/
|
---|
| 1706 | // (float)pvsCounter*100.0f<<"%) "<<endl;
|
---|
| 1707 |
|
---|
[2593] | 1708 | }
|
---|
[2636] | 1709 |
|
---|
[2645] | 1710 |
|
---|
| 1711 | void Preprocessor::UpdateDynamicObjects()
|
---|
[2636] | 1712 | {
|
---|
[2645] | 1713 | if (mUpdateDynamicObjects)
|
---|
| 1714 | {
|
---|
[2678] | 1715 | // delete ALL dynamic stuff and rebuild using the new trafos
|
---|
[2645] | 1716 | preprocessor->mRayCaster->DeleteDynamicObjects();
|
---|
[2636] | 1717 |
|
---|
[2645] | 1718 | for (size_t i=0; i < mDynamicObjects.size(); ++ i)
|
---|
| 1719 | {
|
---|
| 1720 | SceneGraphLeaf *l = mDynamicObjects[i];
|
---|
| 1721 |
|
---|
| 1722 | cout<<"Updating dynamic objects in ray caster..."<<endl;
|
---|
| 1723 |
|
---|
| 1724 | mRayCaster->AddDynamicObjecs(l->mGeometry, l->GetTransformation());
|
---|
| 1725 |
|
---|
| 1726 | cout<<"done."<<endl;
|
---|
| 1727 |
|
---|
[2707] | 1728 | cerr<<"Updating affected PVSs..."<<endl;
|
---|
[2645] | 1729 | preprocessor->ObjectMoved(l);
|
---|
[2707] | 1730 | cerr<<"done."<<endl;
|
---|
[2645] | 1731 | }
|
---|
| 1732 |
|
---|
| 1733 | mUpdateDynamicObjects = false;
|
---|
| 1734 |
|
---|
[2636] | 1735 | }
|
---|
| 1736 | }
|
---|
| 1737 |
|
---|
[2645] | 1738 |
|
---|
| 1739 | void Preprocessor::ScheduleUpdateDynamicObjects()
|
---|
| 1740 | {
|
---|
| 1741 | mUpdateDynamicObjects = true;
|
---|
[2636] | 1742 | }
|
---|
[2645] | 1743 |
|
---|
| 1744 |
|
---|
| 1745 | }
|
---|