[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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[2709] | 60 | mTotalRaysCast(0),
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| 61 | mSynchronize(false)
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[308] | 62 | {
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[1004] | 63 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlRenderer", mUseGlRenderer);
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[538] | 64 |
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[840] | 65 | // renderer will be constructed when the scene graph and viewcell manager will be known
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| 66 | renderer = NULL;
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[1785] | 67 |
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[1004] | 68 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlDebugger", mUseGlDebugger);
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[1379] | 69 | Environment::GetSingleton()->GetBoolValue("Preprocessor.loadMeshes", mLoadMeshes);
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[1004] | 70 | Environment::GetSingleton()->GetBoolValue("Preprocessor.quitOnFinish", mQuitOnFinish);
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| 71 | Environment::GetSingleton()->GetBoolValue("Preprocessor.computeVisibility", mComputeVisibility);
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| 72 | Environment::GetSingleton()->GetBoolValue("Preprocessor.detectEmptyViewSpace", mDetectEmptyViewSpace);
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| 73 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportVisibility", mExportVisibility );
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[1520] | 74 |
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[871] | 75 | char buffer[256];
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[1004] | 76 | Environment::GetSingleton()->GetStringValue("Preprocessor.visibilityFile", buffer);
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[871] | 77 | mVisibilityFileName = buffer;
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[1771] | 78 |
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| 79 | Environment::GetSingleton()->GetStringValue("Preprocessor.stats", buffer);
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| 80 | mStats.open(buffer);
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[2048] | 81 |
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[1749] | 82 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilityFilter", mApplyVisibilityFilter);
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[1004] | 83 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilitySpatialFilter",
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[1695] | 84 | mApplyVisibilitySpatialFilter );
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[1004] | 85 | Environment::GetSingleton()->GetFloatValue("Preprocessor.visibilityFilterWidth", mVisibilityFilterWidth);
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[878] | 86 |
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[1695] | 87 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportObj", mExportObj);
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| 88 |
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[1723] | 89 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useViewSpaceBox", mUseViewSpaceBox);
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| 90 |
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[1900] | 91 | Environment::GetSingleton()->GetBoolValue("Preprocessor.Export.rays", mExportRays);
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[2008] | 92 | Environment::GetSingleton()->GetBoolValue("Preprocessor.Export.animation", mExportAnimation);
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[1900] | 93 | Environment::GetSingleton()->GetIntValue("Preprocessor.Export.numRays", mExportNumRays);
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| 94 |
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[1966] | 95 | Environment::GetSingleton()->GetIntValue("Preprocessor.samplesPerPass", mSamplesPerPass);
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| 96 | Environment::GetSingleton()->GetIntValue("Preprocessor.totalSamples", mTotalSamples);
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[2046] | 97 | Environment::GetSingleton()->GetIntValue("Preprocessor.totalTime", mTotalTime);
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[1966] | 98 | Environment::GetSingleton()->GetIntValue("Preprocessor.samplesPerEvaluation",
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| 99 | mSamplesPerEvaluation);
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| 100 |
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[1695] | 101 | Debug << "******* Preprocessor Options **********" << endl;
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[840] | 102 | Debug << "detect empty view space=" << mDetectEmptyViewSpace << endl;
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[1379] | 103 | Debug << "load meshes: " << mLoadMeshes << endl;
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[1695] | 104 | Debug << "load meshes: " << mLoadMeshes << endl;
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| 105 | Debug << "export obj: " << mExportObj << endl;
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[1723] | 106 | Debug << "use view space box: " << mUseViewSpaceBox << endl;
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[2048] | 107 |
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| 108 | cout << "samples per pass " << mSamplesPerPass << endl;
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[372] | 109 | }
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| 110 |
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| 111 |
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| 112 | Preprocessor::~Preprocessor()
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| 113 | {
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[1291] | 114 | cout << "cleaning up" << endl;
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[752] | 115 |
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[1291] | 116 | cout << "Deleting view cells manager ... \n";
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| 117 | DEL_PTR(mViewCellsManager);
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| 118 | cout << "done.\n";
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[2047] | 119 |
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[1291] | 120 | cout << "Deleting bsp tree ... \n";
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| 121 | DEL_PTR(mBspTree);
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[1924] | 122 | cout << "done.\n";
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[752] | 123 |
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[1924] | 124 | cout << "Deleting kd tree ...\n";
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[1291] | 125 | DEL_PTR(mKdTree);
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| 126 | cout << "done.\n";
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[752] | 127 |
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[1923] | 128 | cout << "Deleting vspbsp tree ... \n";
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[1291] | 129 | DEL_PTR(mVspBspTree);
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| 130 | cout << "done.\n";
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[1002] | 131 |
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[1923] | 132 | cout << "Deleting scene graph ... \n";
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[1291] | 133 | DEL_PTR(mSceneGraph);
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| 134 | cout << "done.\n";
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| 135 |
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[2017] | 136 | cout << "deleting render simulator ... \n";
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[1291] | 137 | DEL_PTR(mRenderSimulator);
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[2017] | 138 | mRenderSimulator = NULL;
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[2609] | 139 |
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[2017] | 140 | cout << "deleting renderer ... \n";
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[1291] | 141 | DEL_PTR(renderer);
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[2017] | 142 | renderer = NULL;
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[2609] | 143 |
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[2017] | 144 | cout << "deleting ray caster ... \n";
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[1523] | 145 | DEL_PTR(mRayCaster);
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[1999] | 146 |
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[1990] | 147 | #ifdef USE_CG
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[2017] | 148 | cout << "deleting global lines renderer ... \n";
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[1968] | 149 | DEL_PTR(mGlobalLinesRenderer);
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[1990] | 150 | #endif
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[2017] | 151 | cout << "finished" << endl;
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[372] | 152 | }
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| 153 |
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[1521] | 154 |
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| 155 | GlRendererBuffer *Preprocessor::GetRenderer()
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| 156 | {
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| 157 | return renderer;
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| 158 | }
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| 159 |
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| 160 |
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[387] | 161 |
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| 162 |
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[1926] | 163 | void Preprocessor::SetThread(PreprocessorThread *t)
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| 164 | {
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| 165 | mThread = t;
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| 166 | }
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| 167 |
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| 168 |
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| 169 | PreprocessorThread *Preprocessor::GetThread() const
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| 170 | {
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| 171 | return mThread;
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| 172 | }
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| 173 |
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| 174 |
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[2183] | 175 | bool Preprocessor::LoadBinaryObj(const string &filename,
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[2600] | 176 | SceneGraphLeaf *root,
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[2621] | 177 | vector<FaceParentInfo> *parents,
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| 178 | float scale)
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[1655] | 179 | {
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[2452] | 180 | //ifstream inStream(filename, ios::binary);
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| 181 | igzstream inStream(filename.c_str());
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[1658] | 182 |
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[2452] | 183 | if (!inStream.is_open())
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[1655] | 184 | return false;
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| 185 |
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[1658] | 186 | cout << "binary obj dump available, loading " << filename.c_str() << endl;
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[2003] | 187 |
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[2004] | 188 | // read in triangle size
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| 189 | int numTriangles;
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| 190 |
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[2614] | 191 | const int t = 500000;
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[2452] | 192 | inStream.read(reinterpret_cast<char *>(&numTriangles), sizeof(int));
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[2004] | 193 | root->mGeometry.reserve(numTriangles);
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[2572] | 194 | cout << "loading " << numTriangles << " triangles (" << numTriangles *
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| 195 | (sizeof(TriangleIntersectable) + sizeof(TriangleIntersectable *)) /
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| 196 | (1024 * 1024) << " MB)" << endl;
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[2003] | 197 |
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[2004] | 198 | int i = 0;
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[2572] | 199 |
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[1655] | 200 | while (1)
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| 201 | {
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| 202 | Triangle3 tri;
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| 203 |
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[2452] | 204 | inStream.read(reinterpret_cast<char *>(tri.mVertices + 0), sizeof(Vector3));
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| 205 | inStream.read(reinterpret_cast<char *>(tri.mVertices + 1), sizeof(Vector3));
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| 206 | inStream.read(reinterpret_cast<char *>(tri.mVertices + 2), sizeof(Vector3));
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[2005] | 207 |
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[2621] | 208 | if (scale > 0.0f)
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| 209 | {
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| 210 | tri.mVertices[0] *= scale;
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| 211 | tri.mVertices[1] *= scale;
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| 212 | tri.mVertices[2] *= scale;
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| 213 | }
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| 214 |
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[1655] | 215 | // end of file reached
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[2452] | 216 | if (inStream.eof())
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[1655] | 217 | break;
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| 218 |
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| 219 | TriangleIntersectable *obj = new TriangleIntersectable(tri);
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| 220 | root->mGeometry.push_back(obj);
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[2005] | 221 |
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[2614] | 222 | if ((i ++) % t == t)
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[2005] | 223 | cout<<"\r"<<i<<"/"<<numTriangles<<"\r";
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[1655] | 224 | }
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| 225 |
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[2004] | 226 | if (i != numTriangles)
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| 227 | {
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| 228 | cout << "warning: triangle size does not match with loaded triangle size" << endl;
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| 229 | return false;
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| 230 | }
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| 231 |
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| 232 | cout << "loaded " << numTriangles << " triangles" << endl;
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| 233 |
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[1655] | 234 | return true;
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| 235 | }
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| 236 |
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| 237 |
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[2601] | 238 | bool Preprocessor::ExportBinaryObj(const string &filename, SceneGraphLeaf *root)
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[1658] | 239 | {
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| 240 | ogzstream samplesOut(filename.c_str());
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[2004] | 241 |
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[1658] | 242 | if (!samplesOut.is_open())
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| 243 | return false;
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| 244 |
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[2004] | 245 | int numTriangles = (int)root->mGeometry.size();
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| 246 |
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| 247 | samplesOut.write(reinterpret_cast<char *>(&numTriangles), sizeof(int));
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| 248 |
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[1658] | 249 | ObjectContainer::const_iterator oit, oit_end = root->mGeometry.end();
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| 250 |
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| 251 | for (oit = root->mGeometry.begin(); oit != oit_end; ++ oit)
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| 252 | {
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| 253 | Intersectable *obj = *oit;
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| 254 |
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| 255 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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| 256 | {
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[2017] | 257 | Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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[1658] | 258 |
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| 259 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 0), sizeof(Vector3));
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| 260 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 1), sizeof(Vector3));
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| 261 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 2), sizeof(Vector3));
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| 262 | }
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| 263 | else
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| 264 | {
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| 265 | cout << "not implemented intersectable type " << obj->Type() << endl;
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| 266 | }
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| 267 | }
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| 268 |
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[2004] | 269 | cout << "exported " << numTriangles << " triangles" << endl;
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| 270 |
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[1658] | 271 | return true;
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| 272 | }
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| 273 |
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[1695] | 274 |
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[2342] | 275 | bool Preprocessor::ExportObj(const string &filename, const ObjectContainer &objects)
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[1695] | 276 | {
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| 277 | ofstream samplesOut(filename.c_str());
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| 278 |
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| 279 | if (!samplesOut.is_open())
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| 280 | return false;
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| 281 |
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| 282 | ObjectContainer::const_iterator oit, oit_end = objects.end();
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| 283 |
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[2004] | 284 | //AxisAlignedBox3 bbox = mSceneGraph->GetBox(); bbox.Enlarge(30.0);
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[1695] | 285 | for (oit = objects.begin(); oit != oit_end; ++ oit)
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| 286 | {
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| 287 | Intersectable *obj = *oit;
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| 288 |
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| 289 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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| 290 | {
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[2017] | 291 | Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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[2004] | 292 | //if (!(bbox.IsInside(tri.mVertices[0]) && bbox.IsInside(tri.mVertices[1]) && bbox.IsInside(tri.mVertices[2])))continue;
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| 293 |
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| 294 | samplesOut << "v " << tri.mVertices[0].x << " " << tri.mVertices[0].y << " " << tri.mVertices[0].z << endl;
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| 295 | samplesOut << "v " << tri.mVertices[1].x << " " << tri.mVertices[1].y << " " << tri.mVertices[1].z << endl;
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| 296 | samplesOut << "v " << tri.mVertices[2].x << " " << tri.mVertices[2].y << " " << tri.mVertices[2].z << endl;
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[1701] | 297 | //}
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[1695] | 298 | }
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| 299 | else
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| 300 | {
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| 301 | cout << "not implemented intersectable type " << obj->Type() << endl;
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| 302 | }
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| 303 | }
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| 304 |
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| 305 | // write faces
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| 306 | int i = 1;
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[1713] | 307 | for (oit = objects.begin(); oit != oit_end; ++ oit)
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[1695] | 308 | {
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| 309 | Intersectable *obj = *oit;
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| 310 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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| 311 | {
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[2017] | 312 | //Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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[2004] | 313 | //if (!(bbox.IsInside(tri.mVertices[0]) && bbox.IsInside(tri.mVertices[1]) && bbox.IsInside(tri.mVertices[2]))) continue;
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| 314 |
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[2017] | 315 | Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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[2004] | 316 | samplesOut << "f " << i << " " << i + 1 << " " << i + 2 << endl;
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| 317 | i += 3;
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[1695] | 318 | }
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| 319 | else
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| 320 | {
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| 321 | cout << "not implemented intersectable type " << obj->Type() << endl;
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| 322 | }
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| 323 | }
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| 324 |
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| 325 | return true;
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| 326 |
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| 327 | }
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| 328 |
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[1658] | 329 |
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| 330 |
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[1786] | 331 | Intersectable *Preprocessor::GetParentObject(const int index) const
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| 332 | {
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[2003] | 333 | if (index < 0)
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| 334 | {
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[2004] | 335 | //cerr << "Warning: triangle index smaller zero! " << index << endl;
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[2003] | 336 | return NULL;
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| 337 | }
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[1786] | 338 |
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| 339 | if (!mFaceParents.empty())
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| 340 | {
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| 341 | if (index >= (int)mFaceParents.size())
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| 342 | {
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[1978] | 343 | cerr << "Warning: triangle index out of range! " << index << endl;
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[1786] | 344 | return NULL;
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| 345 | }
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| 346 | else
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| 347 | {
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| 348 | return mFaceParents[index].mObject;
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| 349 | }
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| 350 | }
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| 351 | else
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[2003] | 352 | {
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| 353 | if (index >= (int)mObjects.size())
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| 354 | {
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[2307] | 355 | cerr<<"Warning: triangle index out of range! " << index << " of " << (int)mObjects.size() << endl;
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[2003] | 356 | return NULL;
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| 357 | }
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| 358 | else
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| 359 | {
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| 360 | return mObjects[index];
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| 361 | }
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| 362 | }
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[1786] | 363 | }
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| 364 |
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| 365 |
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| 366 | Vector3 Preprocessor::GetParentNormal(const int index) const
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| 367 | {
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| 368 | if (!mFaceParents.empty())
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| 369 | {
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| 370 | return mFaceParents[index].mObject->GetNormal(mFaceParents[index].mFaceIndex);
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| 371 | }
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| 372 | else
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| 373 | {
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| 374 | return mObjects[index]->GetNormal(0);
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| 375 | }
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| 376 | }
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| 377 |
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| 378 |
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[372] | 379 | bool
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[2342] | 380 | Preprocessor::LoadScene(const string &filename)
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[372] | 381 | {
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[1655] | 382 | // use leaf nodes of the original spatial hierarchy as occludees
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[508] | 383 | mSceneGraph = new SceneGraph;
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[372] | 384 |
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[508] | 385 | Parser *parser;
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[387] | 386 | vector<string> filenames;
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[1404] | 387 | const int files = SplitFilenames(filename, filenames);
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[712] | 388 | cout << "number of input files: " << files << endl;
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[2183] | 389 |
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[387] | 390 | bool result = false;
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[1695] | 391 | bool isObj = false;
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[1344] | 392 |
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| 393 | // root for different files
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[2601] | 394 | mSceneGraph->SetRoot(new SceneGraphInterior());
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[1344] | 395 |
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[1404] | 396 | // intel ray caster can only trace triangles
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[1520] | 397 | int rayCastMethod;
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[2575] | 398 | Environment::GetSingleton()->GetIntValue("Preprocessor.rayCastMethod",
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| 399 | rayCastMethod);
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| 400 |
|
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[1827] | 401 | vector<FaceParentInfo> *fi =
|
---|
[2583] | 402 | ((rayCastMethod == RayCaster::INTEL_RAYCASTER ||
|
---|
| 403 | rayCastMethod == RayCaster::HAVRAN_RAYCASTER
|
---|
| 404 | ) && mLoadMeshes) ?
|
---|
[1867] | 405 | &mFaceParents : NULL;
|
---|
[2583] | 406 |
|
---|
[1658] | 407 | if (files == 1)
|
---|
[2544] | 408 | {
|
---|
[2601] | 409 | SceneGraphLeaf *leaf = new SceneGraphLeaf();
|
---|
| 410 |
|
---|
[387] | 411 | if (strstr(filename.c_str(), ".x3d"))
|
---|
[2544] | 412 | {
|
---|
[1655] | 413 | parser = new X3dParser;
|
---|
[2601] | 414 |
|
---|
[1658] | 415 | result = parser->ParseFile(filename,
|
---|
[2601] | 416 | leaf,
|
---|
| 417 | mLoadMeshes,
|
---|
| 418 | fi);
|
---|
[1658] | 419 | delete parser;
|
---|
[1655] | 420 | }
|
---|
[1658] | 421 | else if (strstr(filename.c_str(), ".ply") || strstr(filename.c_str(), ".plb"))
|
---|
[1655] | 422 | {
|
---|
[1658] | 423 | parser = new PlyParser;
|
---|
[1655] | 424 |
|
---|
[1658] | 425 | result = parser->ParseFile(filename,
|
---|
[2601] | 426 | leaf,
|
---|
[2544] | 427 | mLoadMeshes,
|
---|
| 428 | fi);
|
---|
[1658] | 429 | delete parser;
|
---|
[1655] | 430 | }
|
---|
[1658] | 431 | else if (strstr(filename.c_str(), ".obj"))
|
---|
| 432 | {
|
---|
[1695] | 433 | isObj = true;
|
---|
| 434 |
|
---|
[1658] | 435 | // hack: load binary dump
|
---|
[2004] | 436 | const string bnFile = ReplaceSuffix(filename, ".obj", ".bn");
|
---|
[2544] | 437 |
|
---|
[1658] | 438 | if (!mLoadMeshes)
|
---|
| 439 | {
|
---|
[2601] | 440 | result = LoadBinaryObj(bnFile, leaf, fi);
|
---|
[1658] | 441 | }
|
---|
| 442 |
|
---|
[2004] | 443 | // parse obj
|
---|
[2544] | 444 | if (!result)
|
---|
[1658] | 445 | {
|
---|
| 446 | cout << "no binary dump available or loading full meshes, parsing file" << endl;
|
---|
| 447 | parser = new ObjParser;
|
---|
[2544] | 448 |
|
---|
[2601] | 449 | result = parser->ParseFile(filename, leaf, mLoadMeshes, fi);
|
---|
[2544] | 450 |
|
---|
[2601] | 451 | cout << "loaded " << (int)leaf->mGeometry.size() << " entities" << endl;
|
---|
[2183] | 452 |
|
---|
[1658] | 453 | // only works for triangles
|
---|
[2004] | 454 | if (result && !mLoadMeshes)
|
---|
[1658] | 455 | {
|
---|
[2004] | 456 | cout << "exporting binary obj to " << bnFile << "... " << endl;
|
---|
[2183] | 457 |
|
---|
[2601] | 458 | ExportBinaryObj(bnFile, leaf);
|
---|
[2544] | 459 |
|
---|
[1658] | 460 | cout << "finished" << endl;
|
---|
| 461 | }
|
---|
[1655] | 462 |
|
---|
[1658] | 463 | delete parser;
|
---|
| 464 | }
|
---|
| 465 | }
|
---|
| 466 | else
|
---|
| 467 | {
|
---|
| 468 | parser = new UnigraphicsParser;
|
---|
[2601] | 469 | result = parser->ParseFile(filename, leaf, mLoadMeshes, fi);
|
---|
[1658] | 470 | delete parser;
|
---|
| 471 | }
|
---|
[2544] | 472 |
|
---|
[2601] | 473 | if (result)
|
---|
| 474 | {
|
---|
| 475 | mSceneGraph->GetRoot()->mChildren.push_back(leaf);
|
---|
| 476 | }
|
---|
| 477 |
|
---|
[1658] | 478 | cout << filename << endl;
|
---|
[1404] | 479 | }
|
---|
[1658] | 480 | else
|
---|
| 481 | {
|
---|
[1404] | 482 | vector<string>::const_iterator fit, fit_end = filenames.end();
|
---|
[2544] | 483 |
|
---|
[1404] | 484 | for (fit = filenames.begin(); fit != fit_end; ++ fit)
|
---|
| 485 | {
|
---|
| 486 | const string filename = *fit;
|
---|
[1328] | 487 |
|
---|
[1404] | 488 | cout << "parsing file " << filename.c_str() << endl;
|
---|
| 489 | if (strstr(filename.c_str(), ".x3d"))
|
---|
| 490 | parser = new X3dParser;
|
---|
| 491 | else
|
---|
| 492 | parser = new UnigraphicsParser;
|
---|
| 493 |
|
---|
[2601] | 494 | SceneGraphLeaf *node = new SceneGraphLeaf();
|
---|
| 495 |
|
---|
[1695] | 496 | const bool success =
|
---|
| 497 | parser->ParseFile(filename, node, mLoadMeshes, fi);
|
---|
[1404] | 498 |
|
---|
| 499 | if (success)
|
---|
| 500 | {
|
---|
| 501 | mSceneGraph->GetRoot()->mChildren.push_back(node);
|
---|
| 502 | result = true; // at least one file parsed
|
---|
| 503 | }
|
---|
| 504 |
|
---|
[1713] | 505 | // temporare hack
|
---|
[1701] | 506 | //if (!strstr(filename.c_str(), "plane")) mSceneGraph->GetRoot()->UpdateBox();
|
---|
| 507 |
|
---|
[1404] | 508 | delete parser;
|
---|
[387] | 509 | }
|
---|
| 510 | }
|
---|
[2544] | 511 |
|
---|
[752] | 512 | if (result)
|
---|
[2544] | 513 | {
|
---|
[1020] | 514 | int intersectables, faces;
|
---|
| 515 | mSceneGraph->GetStatistics(intersectables, faces);
|
---|
[1344] | 516 |
|
---|
[1020] | 517 | cout<<filename<<" parsed successfully."<<endl;
|
---|
| 518 | cout<<"#NUM_OBJECTS (Total numner of objects)\n"<<intersectables<<endl;
|
---|
| 519 | cout<<"#NUM_FACES (Total numner of faces)\n"<<faces<<endl;
|
---|
[1701] | 520 |
|
---|
[1697] | 521 | mObjects.reserve(intersectables);
|
---|
[2601] | 522 | mSceneGraph->CollectObjects(mObjects);
|
---|
[2544] | 523 |
|
---|
| 524 | mSceneGraph->AssignObjectIds();
|
---|
| 525 |
|
---|
[1328] | 526 | mSceneGraph->GetRoot()->UpdateBox();
|
---|
[1713] | 527 |
|
---|
| 528 | cout << "finished loading" << endl;
|
---|
[387] | 529 | }
|
---|
[2700] | 530 |
|
---|
[492] | 531 | return result;
|
---|
[372] | 532 | }
|
---|
| 533 |
|
---|
| 534 | bool
|
---|
[2342] | 535 | Preprocessor::ExportPreprocessedData(const string &filename)
|
---|
[372] | 536 | {
|
---|
[1486] | 537 | mViewCellsManager->ExportViewCells(filename, true, mObjects);
|
---|
| 538 | return true;
|
---|
[372] | 539 | }
|
---|
| 540 |
|
---|
[1486] | 541 |
|
---|
[372] | 542 | bool
|
---|
[871] | 543 | Preprocessor::PostProcessVisibility()
|
---|
| 544 | {
|
---|
| 545 |
|
---|
[904] | 546 | if (mApplyVisibilityFilter || mApplyVisibilitySpatialFilter) {
|
---|
[997] | 547 | cout<<"Applying visibility filter ...";
|
---|
[1002] | 548 | cout<<"filter width = " << mVisibilityFilterWidth << endl;
|
---|
[904] | 549 |
|
---|
[1002] | 550 | if (!mViewCellsManager)
|
---|
[1199] | 551 | return false;
|
---|
| 552 |
|
---|
[2076] | 553 |
|
---|
[871] | 554 | mViewCellsManager->ApplyFilter(mKdTree,
|
---|
[2076] | 555 | mApplyVisibilityFilter ?
|
---|
| 556 | mVisibilityFilterWidth : -1.0f,
|
---|
| 557 | mApplyVisibilitySpatialFilter ?
|
---|
| 558 | mVisibilityFilterWidth : -1.0f);
|
---|
[997] | 559 | cout << "done." << endl;
|
---|
[871] | 560 | }
|
---|
| 561 |
|
---|
| 562 | // export the preprocessed information to a file
|
---|
[2053] | 563 | if (1 && mExportVisibility)
|
---|
[1486] | 564 | {
|
---|
| 565 | ExportPreprocessedData(mVisibilityFileName);
|
---|
| 566 | }
|
---|
| 567 |
|
---|
[871] | 568 | return true;
|
---|
| 569 | }
|
---|
| 570 |
|
---|
| 571 |
|
---|
| 572 | bool
|
---|
[372] | 573 | Preprocessor::BuildKdTree()
|
---|
| 574 | {
|
---|
| 575 | mKdTree = new KdTree;
|
---|
[1344] | 576 |
|
---|
[372] | 577 | // add mesh instances of the scene graph to the root of the tree
|
---|
| 578 | KdLeaf *root = (KdLeaf *)mKdTree->GetRoot();
|
---|
[1344] | 579 |
|
---|
[2601] | 580 | mSceneGraph->CollectObjects(root->mObjects);
|
---|
[1344] | 581 |
|
---|
[1415] | 582 | const long startTime = GetTime();
|
---|
[1201] | 583 | cout << "building kd tree ... " << endl;
|
---|
[1344] | 584 |
|
---|
[372] | 585 | mKdTree->Construct();
|
---|
[2582] | 586 | sceneBox = mKdTree->GetBox();
|
---|
[1344] | 587 |
|
---|
[1415] | 588 | cout << "finished kd tree construction in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
| 589 | << " secs " << endl;
|
---|
[1344] | 590 |
|
---|
[372] | 591 | return true;
|
---|
| 592 | }
|
---|
| 593 |
|
---|
[1415] | 594 |
|
---|
[372] | 595 | void
|
---|
| 596 | Preprocessor::KdTreeStatistics(ostream &s)
|
---|
| 597 | {
|
---|
| 598 | s<<mKdTree->GetStatistics();
|
---|
| 599 | }
|
---|
| 600 |
|
---|
| 601 | void
|
---|
| 602 | Preprocessor::BspTreeStatistics(ostream &s)
|
---|
| 603 | {
|
---|
| 604 | s << mBspTree->GetStatistics();
|
---|
| 605 | }
|
---|
| 606 |
|
---|
| 607 | bool
|
---|
[2342] | 608 | Preprocessor::Export( const string &filename,
|
---|
[2544] | 609 | const bool scene,
|
---|
| 610 | const bool kdtree
|
---|
| 611 | )
|
---|
[372] | 612 | {
|
---|
[2544] | 613 | Exporter *exporter = Exporter::GetExporter(filename);
|
---|
[372] | 614 |
|
---|
[2544] | 615 | if (exporter) {
|
---|
| 616 | if (2 && scene)
|
---|
| 617 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
[372] | 618 |
|
---|
[2544] | 619 | if (1 && kdtree) {
|
---|
| 620 | exporter->SetWireframe();
|
---|
| 621 | exporter->ExportKdTree(*mKdTree);
|
---|
| 622 | }
|
---|
[372] | 623 |
|
---|
[2544] | 624 | delete exporter;
|
---|
| 625 | return true;
|
---|
| 626 | }
|
---|
| 627 |
|
---|
| 628 | return false;
|
---|
[372] | 629 | }
|
---|
[429] | 630 |
|
---|
[508] | 631 |
|
---|
[463] | 632 | bool Preprocessor::PrepareViewCells()
|
---|
| 633 | {
|
---|
[2660] | 634 | #if 0
|
---|
[2543] | 635 | // load the view cells assigning the found objects to the pvss
|
---|
| 636 | cerr << "loading binary view cells" << endl;
|
---|
| 637 | ViewCellsManager *dummyViewCellsManager =
|
---|
| 638 | LoadViewCellsBinary("test.vc", mObjects, false, NULL);
|
---|
| 639 |
|
---|
| 640 | //cerr << "reexporting the binary view cells" << endl;
|
---|
| 641 | //dummyViewCellsManager->ExportViewCellsBinary("outvc.xml.gz", true, mObjects);
|
---|
| 642 |
|
---|
| 643 | return false;
|
---|
| 644 | #endif
|
---|
| 645 |
|
---|
[1523] | 646 | ///////
|
---|
[577] | 647 | //-- parse view cells construction method
|
---|
[1563] | 648 |
|
---|
[1004] | 649 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", mLoadViewCells);
|
---|
[577] | 650 | char buf[100];
|
---|
[1585] | 651 |
|
---|
[2172] | 652 | if (mLoadViewCells)
|
---|
[997] | 653 | {
|
---|
[2183] | 654 |
|
---|
| 655 | #ifdef USE_BIT_PVS
|
---|
| 656 | // HACK: for kd pvs, set pvs size to maximal number of kd nodes
|
---|
| 657 | vector<KdLeaf *> leaves;
|
---|
| 658 | preprocessor->mKdTree->CollectLeaves(leaves);
|
---|
| 659 |
|
---|
| 660 | ObjectPvs::SetPvsSize((int)leaves.size());
|
---|
| 661 | #endif
|
---|
| 662 |
|
---|
[2172] | 663 | Environment::GetSingleton()->GetStringValue("ViewCells.filename", buf);
|
---|
[2183] | 664 | cout << "loading objects from " << buf << endl;
|
---|
[2117] | 665 |
|
---|
[2703] | 666 | // load scene objects which are the entities used as pvs entries
|
---|
[2183] | 667 | ObjectContainer pvsObjects;
|
---|
[2709] | 668 | if (1) LoadObjects(buf, pvsObjects, mObjects);
|
---|
[2117] | 669 |
|
---|
[2700] | 670 | const bool finalizeViewCells = true;
|
---|
[2183] | 671 | cout << "loading view cells from " << buf << endl;
|
---|
[2660] | 672 |
|
---|
[2183] | 673 | mViewCellsManager = ViewCellsManager::LoadViewCells(buf,
|
---|
| 674 | pvsObjects,
|
---|
| 675 | mObjects,
|
---|
| 676 | finalizeViewCells,
|
---|
| 677 | NULL);
|
---|
| 678 |
|
---|
[1740] | 679 | cout << "view cells loaded." << endl<<flush;
|
---|
| 680 |
|
---|
| 681 | if (!mViewCellsManager)
|
---|
| 682 | {
|
---|
[2072] | 683 | cerr << "no view cells manager could be loaded" << endl;
|
---|
[1740] | 684 | return false;
|
---|
| 685 | }
|
---|
[577] | 686 | }
|
---|
| 687 | else
|
---|
| 688 | {
|
---|
[2543] | 689 | // parse type of view cells manager
|
---|
[1004] | 690 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
[1740] | 691 | mViewCellsManager = CreateViewCellsManager(buf);
|
---|
[1112] | 692 |
|
---|
[2700] | 693 | // default view space is the extent of the scene
|
---|
| 694 | AxisAlignedBox3 viewSpaceBox;
|
---|
| 695 |
|
---|
[1723] | 696 | if (mUseViewSpaceBox)
|
---|
[1563] | 697 | {
|
---|
[2700] | 698 | viewSpaceBox = mSceneGraph->GetBox();
|
---|
[1723] | 699 |
|
---|
[1563] | 700 | // use a small box outside of the scene
|
---|
[1723] | 701 | viewSpaceBox.Scale(Vector3(0.15f, 0.3f, 0.5f));
|
---|
[2700] | 702 | //viewSpaceBox.Translate(Vector3(Magnitude(mSceneGraph->GetBox().Size()) * 0.5f, 0, 0));
|
---|
[1723] | 703 | viewSpaceBox.Translate(Vector3(Magnitude(mSceneGraph->GetBox().Size()) * 0.3f, 0, 0));
|
---|
| 704 | mViewCellsManager->SetViewSpaceBox(viewSpaceBox);
|
---|
[1563] | 705 | }
|
---|
[2700] | 706 | else
|
---|
| 707 | {
|
---|
| 708 | viewSpaceBox = mSceneGraph->GetBox();
|
---|
| 709 | mViewCellsManager->SetViewSpaceBox(viewSpaceBox);
|
---|
| 710 | }
|
---|
| 711 |
|
---|
[1545] | 712 | bool loadVcGeometry;
|
---|
| 713 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadGeometry", loadVcGeometry);
|
---|
| 714 |
|
---|
| 715 | bool extrudeBaseTriangles;
|
---|
| 716 | Environment::GetSingleton()->GetBoolValue("ViewCells.useBaseTrianglesAsGeometry", extrudeBaseTriangles);
|
---|
| 717 |
|
---|
| 718 | char vcGeomFilename[100];
|
---|
| 719 | Environment::GetSingleton()->GetStringValue("ViewCells.geometryFilename", vcGeomFilename);
|
---|
[1740] | 720 |
|
---|
[1940] | 721 | // create view cells from specified geometry
|
---|
[1627] | 722 | if (loadVcGeometry)
|
---|
[1545] | 723 | {
|
---|
[1627] | 724 | if (mViewCellsManager->GetType() == ViewCellsManager::BSP)
|
---|
[1545] | 725 | {
|
---|
[1627] | 726 | if (!mViewCellsManager->LoadViewCellsGeometry(vcGeomFilename, extrudeBaseTriangles))
|
---|
| 727 | cerr << "loading view cells geometry failed" << endl;
|
---|
[1545] | 728 | }
|
---|
[1627] | 729 | else
|
---|
| 730 | {
|
---|
| 731 | cerr << "loading view cells geometry is not implemented for this manager" << endl;
|
---|
| 732 | }
|
---|
[1545] | 733 | }
|
---|
[577] | 734 | }
|
---|
[1740] | 735 |
|
---|
[1486] | 736 | ////////
|
---|
[1523] | 737 | //-- evaluation of render cost heuristics
|
---|
[1768] | 738 |
|
---|
[473] | 739 | float objRenderCost = 0, vcOverhead = 0, moveSpeed = 0;
|
---|
| 740 |
|
---|
[1004] | 741 | Environment::GetSingleton()->GetFloatValue("Simulation.objRenderCost",objRenderCost);
|
---|
| 742 | Environment::GetSingleton()->GetFloatValue("Simulation.vcOverhead", vcOverhead);
|
---|
| 743 | Environment::GetSingleton()->GetFloatValue("Simulation.moveSpeed", moveSpeed);
|
---|
[1740] | 744 |
|
---|
[473] | 745 | mRenderSimulator =
|
---|
| 746 | new RenderSimulator(mViewCellsManager, objRenderCost, vcOverhead, moveSpeed);
|
---|
[440] | 747 |
|
---|
[480] | 748 | mViewCellsManager->SetRenderer(mRenderSimulator);
|
---|
[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;
|
---|
[2709] | 840 | // HACK: needed only for lower_bound algorithm to find the intersected objects
|
---|
[491] | 841 | MeshInstance sObj(NULL);
|
---|
| 842 | MeshInstance tObj(NULL);
|
---|
[490] | 843 |
|
---|
[491] | 844 | #if USE_ASCII
|
---|
[2452] | 845 | ifstream inStream(fileName);
|
---|
| 846 | if (!inStream.is_open())
|
---|
[490] | 847 | return false;
|
---|
| 848 |
|
---|
| 849 | string buf;
|
---|
[2452] | 850 | while (!(getline(inStream, buf)).eof())
|
---|
[490] | 851 | {
|
---|
[491] | 852 | sscanf(buf.c_str(), "%f %f %f %f %f %f %d %d",
|
---|
[490] | 853 | &origin.x, &origin.y, &origin.z,
|
---|
[491] | 854 | &termination.x, &termination.y, &termination.z,
|
---|
| 855 | &(sObj.mId), &(tObj.mId));
|
---|
[490] | 856 |
|
---|
[491] | 857 | Intersectable *sourceObj = NULL;
|
---|
| 858 | Intersectable *termObj = NULL;
|
---|
| 859 |
|
---|
| 860 | if (sObj.mId >= 0)
|
---|
[490] | 861 | {
|
---|
| 862 | ObjectContainer::iterator oit =
|
---|
[491] | 863 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 864 | sourceObj = *oit;
|
---|
| 865 | }
|
---|
| 866 |
|
---|
| 867 | if (tObj.mId >= 0)
|
---|
| 868 | {
|
---|
| 869 | ObjectContainer::iterator oit =
|
---|
| 870 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 871 | termObj = *oit;
|
---|
| 872 | }
|
---|
[490] | 873 |
|
---|
[491] | 874 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
| 875 | }
|
---|
| 876 | #else
|
---|
[2452] | 877 | ifstream inStream(fileName, ios::binary);
|
---|
| 878 | if (!inStream.is_open())
|
---|
[491] | 879 | return false;
|
---|
| 880 |
|
---|
| 881 | while (1)
|
---|
| 882 | {
|
---|
[2452] | 883 | inStream.read(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 884 | inStream.read(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 885 | inStream.read(reinterpret_cast<char *>(&(sObj.mId)), sizeof(int));
|
---|
| 886 | inStream.read(reinterpret_cast<char *>(&(tObj.mId)), sizeof(int));
|
---|
[491] | 887 |
|
---|
[2452] | 888 | if (inStream.eof())
|
---|
[491] | 889 | break;
|
---|
| 890 |
|
---|
| 891 | Intersectable *sourceObj = NULL;
|
---|
| 892 | Intersectable *termObj = NULL;
|
---|
| 893 |
|
---|
| 894 | if (sObj.mId >= 0)
|
---|
| 895 | {
|
---|
| 896 | ObjectContainer::iterator oit =
|
---|
| 897 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 898 | sourceObj = *oit;
|
---|
[490] | 899 | }
|
---|
[491] | 900 |
|
---|
| 901 | if (tObj.mId >= 0)
|
---|
[490] | 902 | {
|
---|
[491] | 903 | ObjectContainer::iterator oit =
|
---|
| 904 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 905 | termObj = *oit;
|
---|
[490] | 906 | }
|
---|
[491] | 907 |
|
---|
| 908 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
[490] | 909 | }
|
---|
[1779] | 910 | #endif
|
---|
[491] | 911 |
|
---|
[2452] | 912 | inStream.close();
|
---|
[490] | 913 |
|
---|
| 914 | return true;
|
---|
| 915 | }
|
---|
| 916 |
|
---|
[508] | 917 |
|
---|
| 918 | bool Preprocessor::ExportSamples(const VssRayContainer &samples) const
|
---|
[490] | 919 | {
|
---|
[491] | 920 | char fileName[100];
|
---|
[1004] | 921 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
[491] | 922 |
|
---|
[490] | 923 |
|
---|
| 924 | VssRayContainer::const_iterator it, it_end = samples.end();
|
---|
| 925 |
|
---|
[491] | 926 | #if USE_ASCII
|
---|
| 927 | ofstream samplesOut(fileName);
|
---|
[490] | 928 | if (!samplesOut.is_open())
|
---|
| 929 | return false;
|
---|
| 930 |
|
---|
| 931 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 932 | {
|
---|
| 933 | VssRay *ray = *it;
|
---|
[491] | 934 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 935 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 936 |
|
---|
[490] | 937 | samplesOut << ray->GetOrigin().x << " " << ray->GetOrigin().y << " " << ray->GetOrigin().z << " "
|
---|
| 938 | << ray->GetTermination().x << " " << ray->GetTermination().y << " " << ray->GetTermination().z << " "
|
---|
[491] | 939 | << sourceid << " " << termid << "\n";
|
---|
[490] | 940 | }
|
---|
[491] | 941 | #else
|
---|
| 942 | ofstream samplesOut(fileName, ios::binary);
|
---|
| 943 | if (!samplesOut.is_open())
|
---|
| 944 | return false;
|
---|
| 945 |
|
---|
| 946 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 947 | {
|
---|
| 948 | VssRay *ray = *it;
|
---|
| 949 | Vector3 origin(ray->GetOrigin());
|
---|
| 950 | Vector3 termination(ray->GetTermination());
|
---|
| 951 |
|
---|
| 952 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 953 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 954 |
|
---|
| 955 | samplesOut.write(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 956 | samplesOut.write(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 957 | samplesOut.write(reinterpret_cast<char *>(&sourceid), sizeof(int));
|
---|
| 958 | samplesOut.write(reinterpret_cast<char *>(&termid), sizeof(int));
|
---|
| 959 | }
|
---|
| 960 | #endif
|
---|
[490] | 961 | samplesOut.close();
|
---|
[1194] | 962 |
|
---|
[490] | 963 | return true;
|
---|
| 964 | }
|
---|
[563] | 965 |
|
---|
[1771] | 966 |
|
---|
| 967 | int
|
---|
| 968 | Preprocessor::GenerateRays(const int number,
|
---|
[1867] | 969 | SamplingStrategy &strategy,
|
---|
| 970 | SimpleRayContainer &rays)
|
---|
[1020] | 971 | {
|
---|
[1867] | 972 | return strategy.GenerateSamples(number, rays);
|
---|
[1771] | 973 | }
|
---|
[860] | 974 |
|
---|
[1990] | 975 |
|
---|
[1771] | 976 | int
|
---|
| 977 | Preprocessor::GenerateRays(const int number,
|
---|
[1898] | 978 | const int sampleType,
|
---|
| 979 | SimpleRayContainer &rays)
|
---|
[1771] | 980 | {
|
---|
[1772] | 981 | const int startSize = (int)rays.size();
|
---|
| 982 | SamplingStrategy *strategy = GenerateSamplingStrategy(sampleType);
|
---|
| 983 | int castRays = 0;
|
---|
| 984 |
|
---|
| 985 | if (!strategy)
|
---|
[1381] | 986 | {
|
---|
[1772] | 987 | return 0;
|
---|
[1381] | 988 | }
|
---|
[1772] | 989 |
|
---|
[1381] | 990 | #if 1
|
---|
[1772] | 991 | castRays = strategy->GenerateSamples(number, rays);
|
---|
[1381] | 992 | #else
|
---|
[1772] | 993 | GenerateRayBundle(rays, newRay, 16, 0);
|
---|
| 994 | castRays += 16;
|
---|
[1381] | 995 | #endif
|
---|
[1772] | 996 |
|
---|
| 997 | delete strategy;
|
---|
| 998 | return castRays;
|
---|
[878] | 999 | }
|
---|
[1020] | 1000 |
|
---|
| 1001 |
|
---|
[1884] | 1002 | SamplingStrategy *Preprocessor::GenerateSamplingStrategy(const int strategyId)
|
---|
[1020] | 1003 | {
|
---|
| 1004 | switch (strategyId)
|
---|
| 1005 | {
|
---|
[1520] | 1006 | case SamplingStrategy::OBJECT_BASED_DISTRIBUTION:
|
---|
[1020] | 1007 | return new ObjectBasedDistribution(*this);
|
---|
[1520] | 1008 | case SamplingStrategy::OBJECT_DIRECTION_BASED_DISTRIBUTION:
|
---|
[1020] | 1009 | return new ObjectDirectionBasedDistribution(*this);
|
---|
[1520] | 1010 | case SamplingStrategy::DIRECTION_BASED_DISTRIBUTION:
|
---|
[1020] | 1011 | return new DirectionBasedDistribution(*this);
|
---|
[1520] | 1012 | case SamplingStrategy::DIRECTION_BOX_BASED_DISTRIBUTION:
|
---|
[1020] | 1013 | return new DirectionBoxBasedDistribution(*this);
|
---|
[1520] | 1014 | case SamplingStrategy::SPATIAL_BOX_BASED_DISTRIBUTION:
|
---|
[1020] | 1015 | return new SpatialBoxBasedDistribution(*this);
|
---|
[1695] | 1016 | case SamplingStrategy::REVERSE_OBJECT_BASED_DISTRIBUTION:
|
---|
| 1017 | return new ReverseObjectBasedDistribution(*this);
|
---|
[2691] | 1018 | //case SamplingStrategy::VIEWCELL_BORDER_BASED_DISTRIBUTION:
|
---|
| 1019 | // return new ViewCellBorderBasedDistribution(*this);
|
---|
[1772] | 1020 | case SamplingStrategy::REVERSE_VIEWSPACE_BORDER_BASED_DISTRIBUTION:
|
---|
| 1021 | return new ReverseViewSpaceBorderBasedDistribution(*this);
|
---|
[1824] | 1022 | case SamplingStrategy::GLOBAL_LINES_DISTRIBUTION:
|
---|
| 1023 | return new GlobalLinesDistribution(*this);
|
---|
| 1024 |
|
---|
| 1025 | //case OBJECTS_INTERIOR_DISTRIBUTION:
|
---|
| 1026 | // return new ObjectsInteriorDistribution(*this);
|
---|
[1020] | 1027 | default: // no valid strategy
|
---|
[1279] | 1028 | Debug << "warning: no valid sampling strategy" << endl;
|
---|
[1020] | 1029 | return NULL;
|
---|
| 1030 | }
|
---|
[1221] | 1031 |
|
---|
[1570] | 1032 | return NULL; // should never come here
|
---|
[1020] | 1033 | }
|
---|
| 1034 |
|
---|
| 1035 |
|
---|
[2342] | 1036 | bool Preprocessor::LoadInternKdTree(const string &internKdTree)
|
---|
[2003] | 1037 | {
|
---|
[2583] | 1038 | bool mUseKdTree = true;
|
---|
[2342] | 1039 |
|
---|
| 1040 |
|
---|
[2583] | 1041 | int rayCastMethod;
|
---|
| 1042 | Environment::GetSingleton()->
|
---|
| 1043 | GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
|
---|
[2575] | 1044 |
|
---|
[2700] | 1045 | #ifdef USE_HAVRAN_RAYCASTER
|
---|
| 1046 |
|
---|
[2643] | 1047 | if ((rayCastMethod == 2) || (rayCastMethod == 3))
|
---|
[2700] | 1048 | {
|
---|
| 1049 | HavranRayCaster *hr = 0;
|
---|
[2643] | 1050 |
|
---|
[2700] | 1051 | if (rayCastMethod == 3)
|
---|
| 1052 | hr = reinterpret_cast<HavranDynRayCaster*>(mRayCaster);
|
---|
| 1053 | else
|
---|
| 1054 | hr = reinterpret_cast<HavranRayCaster*>(mRayCaster);
|
---|
[2701] | 1055 |
|
---|
| 1056 | hr->Build(this->mObjects);
|
---|
[2700] | 1057 | }
|
---|
[2701] | 1058 |
|
---|
[2700] | 1059 | #endif
|
---|
[2643] | 1060 |
|
---|
| 1061 |
|
---|
[2583] | 1062 | if (!mUseKdTree) {
|
---|
| 1063 | // create just a dummy KdTree
|
---|
| 1064 | mKdTree = new KdTree;
|
---|
[2035] | 1065 | return true;
|
---|
[2583] | 1066 | }
|
---|
| 1067 |
|
---|
| 1068 |
|
---|
| 1069 |
|
---|
| 1070 | // always try to load the kd tree
|
---|
| 1071 | cout << "loading kd tree file " << internKdTree << " ... " << endl;
|
---|
| 1072 |
|
---|
| 1073 | if (!LoadKdTree(internKdTree)) {
|
---|
| 1074 | cout << "error loading kd tree with filename "
|
---|
| 1075 | << internKdTree << ", rebuilding it instead ... " << endl;
|
---|
| 1076 | // build new kd tree from scene geometry
|
---|
| 1077 | BuildKdTree();
|
---|
| 1078 |
|
---|
| 1079 | // export kd tree?
|
---|
| 1080 | const long startTime = GetTime();
|
---|
| 1081 | cout << "exporting kd tree ... ";
|
---|
| 1082 |
|
---|
| 1083 | if (!ExportKdTree(internKdTree))
|
---|
| 1084 | {
|
---|
| 1085 | cout << " error exporting kd tree with filename "
|
---|
| 1086 | << internKdTree << endl;
|
---|
| 1087 | }
|
---|
| 1088 | else
|
---|
| 1089 | {
|
---|
| 1090 | cout << "finished in "
|
---|
| 1091 | << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
| 1092 | << " secs" << endl;
|
---|
| 1093 | }
|
---|
| 1094 | }
|
---|
| 1095 |
|
---|
| 1096 | KdTreeStatistics(cout);
|
---|
[2588] | 1097 | sceneBox = mKdTree->GetBox();
|
---|
| 1098 |
|
---|
[2583] | 1099 | cout << mKdTree->GetBox() << endl;
|
---|
| 1100 |
|
---|
| 1101 | return true;
|
---|
[2003] | 1102 | }
|
---|
| 1103 |
|
---|
| 1104 |
|
---|
[2342] | 1105 | bool Preprocessor::InitRayCast(const string &externKdTree,
|
---|
[2623] | 1106 | const string &internKdTree)
|
---|
[1221] | 1107 | {
|
---|
[1520] | 1108 | int rayCastMethod;
|
---|
[1968] | 1109 | Environment::GetSingleton()->
|
---|
[2623] | 1110 | GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
|
---|
[1520] | 1111 |
|
---|
| 1112 | if (rayCastMethod == 0)
|
---|
[1221] | 1113 | {
|
---|
[2623] | 1114 | cout << "ray cast method: internal" << endl;
|
---|
| 1115 | mRayCaster = new InternalRayCaster(*this);
|
---|
[1221] | 1116 | }
|
---|
[2575] | 1117 | if (rayCastMethod == 1)
|
---|
[1520] | 1118 | {
|
---|
[1524] | 1119 | #ifdef GTP_INTERNAL
|
---|
[2623] | 1120 | cout << "ray cast method: intel" << endl;
|
---|
| 1121 | mRayCaster = new IntelRayCaster(*this, externKdTree);
|
---|
[1524] | 1122 | #endif
|
---|
[1251] | 1123 | }
|
---|
[2575] | 1124 | if (rayCastMethod == 2)
|
---|
| 1125 | {
|
---|
[2643] | 1126 | #ifdef USE_HAVRAN_RAYCASTER
|
---|
[2629] | 1127 | cout << "ray cast method: havran" << endl <<flush;
|
---|
| 1128 | mRayCaster = new GALIGN16 HavranRayCaster(*this);
|
---|
[2643] | 1129 | #endif
|
---|
[2575] | 1130 | }
|
---|
[2629] | 1131 | if (rayCastMethod == 3)
|
---|
| 1132 | {
|
---|
[2643] | 1133 | #ifdef USE_HAVRAN_RAYCASTER
|
---|
[2629] | 1134 | cout << "ray cast method: havran - dyn" << endl <<flush;
|
---|
| 1135 | mRayCaster = new GALIGN16 HavranDynRayCaster(*this);
|
---|
[2643] | 1136 | #endif
|
---|
[2629] | 1137 | }
|
---|
[2623] | 1138 |
|
---|
[2629] | 1139 |
|
---|
[2559] | 1140 | /////////////////
|
---|
[2072] | 1141 | //-- reserve constant block of rays
|
---|
| 1142 |
|
---|
| 1143 | // hack: If we dont't use view cells loading, there must be at least as much rays
|
---|
| 1144 | // as are needed for the view cells construction
|
---|
| 1145 | bool loadViewCells;
|
---|
| 1146 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", loadViewCells);
|
---|
| 1147 |
|
---|
[2187] | 1148 | int reserveRays;
|
---|
| 1149 | int constructionSamples;
|
---|
[2072] | 1150 |
|
---|
| 1151 | if (!loadViewCells)
|
---|
| 1152 | {
|
---|
[2187] | 1153 | cout << "hack: setting ray pool size to view cell construction or evaluation size" << endl;
|
---|
[2072] | 1154 |
|
---|
[2187] | 1155 | constructionSamples = 1000000;
|
---|
| 1156 |
|
---|
[2072] | 1157 | char buf[100];
|
---|
| 1158 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
[2187] | 1159 |
|
---|
[2072] | 1160 | if (strcmp(buf, "vspBspTree") == 0)
|
---|
| 1161 | {
|
---|
[2187] | 1162 | Environment::GetSingleton()->GetIntValue("VspBspTree.Construction.samples", constructionSamples);
|
---|
| 1163 |
|
---|
[2072] | 1164 | }
|
---|
| 1165 | else if (strcmp(buf, "vspOspTree") == 0)
|
---|
| 1166 | {
|
---|
[2187] | 1167 | Environment::GetSingleton()->GetIntValue("Hierarchy.Construction.samples", constructionSamples);
|
---|
[2072] | 1168 | }
|
---|
[2187] | 1169 |
|
---|
| 1170 | int evalSamplesPerPass;
|
---|
| 1171 |
|
---|
| 1172 | Environment::GetSingleton()->GetIntValue("ViewCells.Evaluation.samplesPerPass", evalSamplesPerPass);
|
---|
| 1173 |
|
---|
| 1174 | reserveRays = max(constructionSamples, evalSamplesPerPass);
|
---|
| 1175 | reserveRays *= 2;
|
---|
[2072] | 1176 | }
|
---|
| 1177 | else
|
---|
| 1178 | {
|
---|
[2687] | 1179 | const int n = 4;
|
---|
| 1180 | cout << "hack: setting ray pool size to multiple " << n << " of samples per pass" << endl;
|
---|
| 1181 | reserveRays = mSamplesPerPass * n;
|
---|
[2072] | 1182 | }
|
---|
| 1183 |
|
---|
[2048] | 1184 | cout << "======================" << endl;
|
---|
[2072] | 1185 | cout << "reserving " << reserveRays << " rays " << endl;
|
---|
| 1186 | mRayCaster->ReserveVssRayPool(reserveRays);
|
---|
[2583] | 1187 | cout<<"done."<<endl<<flush;
|
---|
[1520] | 1188 | return true;
|
---|
[1281] | 1189 | }
|
---|
| 1190 |
|
---|
[1292] | 1191 |
|
---|
[1281] | 1192 | void
|
---|
| 1193 | Preprocessor::CastRays(
|
---|
| 1194 | SimpleRayContainer &rays,
|
---|
[1520] | 1195 | VssRayContainer &vssRays,
|
---|
[1528] | 1196 | const bool castDoubleRays,
|
---|
[1996] | 1197 | const bool pruneInvalidRays
|
---|
[1281] | 1198 | )
|
---|
| 1199 | {
|
---|
[2069] | 1200 | const long t1 = GetTime();
|
---|
[2582] | 1201 |
|
---|
| 1202 | // !!!!!!!!!!!!!!!! VH no sorting
|
---|
[2634] | 1203 | if (
|
---|
[2614] | 1204 | rays.size() > 10000
|
---|
[2606] | 1205 | )
|
---|
[2614] | 1206 | {
|
---|
| 1207 | mRayCaster->SortRays(rays);
|
---|
| 1208 | cout<<"Rays sorted in "<<TimeDiff(t1, GetTime())<<" ms."<<endl;
|
---|
[1984] | 1209 | }
|
---|
[1972] | 1210 |
|
---|
[2614] | 1211 | int numTransformed = 0;
|
---|
[2072] | 1212 |
|
---|
[2614] | 1213 |
|
---|
[2076] | 1214 | if (mUseHwGlobalLines)
|
---|
[2187] | 1215 | {
|
---|
[2539] | 1216 | CastRaysWithHwGlobalLines(
|
---|
| 1217 | rays,
|
---|
| 1218 | vssRays,
|
---|
| 1219 | castDoubleRays,
|
---|
| 1220 | pruneInvalidRays
|
---|
| 1221 | );
|
---|
[2187] | 1222 | }
|
---|
[2076] | 1223 | else
|
---|
[2187] | 1224 | {
|
---|
[2539] | 1225 | mRayCaster->CastRays(
|
---|
| 1226 | rays,
|
---|
| 1227 | vssRays,
|
---|
| 1228 | mViewCellsManager->GetViewSpaceBox(),
|
---|
| 1229 | castDoubleRays,
|
---|
| 1230 | pruneInvalidRays);
|
---|
[2609] | 1231 |
|
---|
[2636] | 1232 | // disabled not neccessary
|
---|
| 1233 | UpdateDynamicObjects();
|
---|
[2187] | 1234 | }
|
---|
| 1235 |
|
---|
[2610] | 1236 |
|
---|
[2187] | 1237 | if (rays.size() > 10000)
|
---|
[2076] | 1238 | {
|
---|
| 1239 | cout << endl;
|
---|
[2539] | 1240 | long t2 = GetTime();
|
---|
[2072] | 1241 |
|
---|
[2076] | 1242 | #if SHOW_RAYCAST_TIMING
|
---|
| 1243 | if (castDoubleRays)
|
---|
[2687] | 1244 | cout << 2 * rays.size() / (1e3f * TimeDiff(t1, t2)) << "M double rays/s" << endl;
|
---|
[2076] | 1245 | else
|
---|
[2687] | 1246 | cout << rays.size() / (1e3f * TimeDiff(t1, t2)) << "M single rays/s" << endl;
|
---|
[2076] | 1247 | #endif
|
---|
[2590] | 1248 |
|
---|
[2076] | 1249 | }
|
---|
[2687] | 1250 |
|
---|
[2076] | 1251 | DeterminePvsObjects(vssRays);
|
---|
| 1252 | }
|
---|
| 1253 |
|
---|
| 1254 |
|
---|
| 1255 | void
|
---|
| 1256 | Preprocessor::CastRaysWithHwGlobalLines(
|
---|
| 1257 | SimpleRayContainer &rays,
|
---|
[2187] | 1258 | VssRayContainer &vssRays,
|
---|
| 1259 | const bool castDoubleRays,
|
---|
| 1260 | const bool pruneInvalidRays)
|
---|
[2076] | 1261 | {
|
---|
| 1262 | SimpleRayContainer::const_iterator rit, rit_end = rays.end();
|
---|
| 1263 | SimpleRayContainer rayBucket;
|
---|
| 1264 | int i = 0;
|
---|
| 1265 | for (rit = rays.begin(); rit != rit_end; ++ rit, ++ i)
|
---|
[1292] | 1266 | {
|
---|
[2076] | 1267 | SimpleRay ray = *rit;
|
---|
[1990] | 1268 | #ifdef USE_CG
|
---|
[1972] | 1269 | // HACK: global lines must be treated special
|
---|
[2076] | 1270 | if (ray.mDistribution == SamplingStrategy::HW_GLOBAL_LINES_DISTRIBUTION)
|
---|
[1968] | 1271 | {
|
---|
[2076] | 1272 | mGlobalLinesRenderer->CastGlobalLines(ray, vssRays);
|
---|
| 1273 | continue;
|
---|
[1968] | 1274 | }
|
---|
[1990] | 1275 | #endif
|
---|
[2187] | 1276 | rayBucket.push_back(ray);
|
---|
| 1277 |
|
---|
| 1278 | // 16 rays gathered => do ray casting
|
---|
| 1279 | if (rayBucket.size() >= 16)
|
---|
[1520] | 1280 | {
|
---|
[2187] | 1281 | mRayCaster->CastRays16(
|
---|
| 1282 | rayBucket,
|
---|
| 1283 | vssRays,
|
---|
| 1284 | mViewCellsManager->GetViewSpaceBox(),
|
---|
| 1285 | castDoubleRays,
|
---|
| 1286 | pruneInvalidRays);
|
---|
| 1287 |
|
---|
| 1288 | rayBucket.clear();
|
---|
[1292] | 1289 | }
|
---|
[2187] | 1290 |
|
---|
| 1291 | if (rays.size() > 100000 && i % 100000 == 0)
|
---|
[2072] | 1292 | cout<<"\r"<<i<<"/"<<(int)rays.size()<<"\r";
|
---|
[1972] | 1293 | }
|
---|
[2072] | 1294 |
|
---|
[1972] | 1295 | // cast rest of rays
|
---|
| 1296 | SimpleRayContainer::const_iterator sit, sit_end = rayBucket.end();
|
---|
| 1297 |
|
---|
| 1298 | for (sit = rayBucket.begin(); sit != sit_end; ++ sit)
|
---|
| 1299 | {
|
---|
| 1300 | SimpleRay ray = *sit;
|
---|
[1990] | 1301 |
|
---|
| 1302 | #ifdef USE_CG
|
---|
[1972] | 1303 | // HACK: global lines must be treated special
|
---|
| 1304 | if (ray.mDistribution == SamplingStrategy::HW_GLOBAL_LINES_DISTRIBUTION)
|
---|
[1932] | 1305 | {
|
---|
[1972] | 1306 | mGlobalLinesRenderer->CastGlobalLines(ray, vssRays);
|
---|
[1990] | 1307 | continue;
|
---|
[1972] | 1308 | }
|
---|
[1990] | 1309 | #endif
|
---|
| 1310 | mRayCaster->CastRay(
|
---|
| 1311 | ray,
|
---|
| 1312 | vssRays,
|
---|
| 1313 | mViewCellsManager->GetViewSpaceBox(),
|
---|
| 1314 | castDoubleRays,
|
---|
[1996] | 1315 | pruneInvalidRays);
|
---|
[1990] | 1316 |
|
---|
[1524] | 1317 | }
|
---|
[1743] | 1318 |
|
---|
[1251] | 1319 | }
|
---|
| 1320 |
|
---|
| 1321 |
|
---|
[1381] | 1322 | bool Preprocessor::GenerateRayBundle(SimpleRayContainer &rayBundle,
|
---|
| 1323 | const SimpleRay &mainRay,
|
---|
| 1324 | const int number,
|
---|
| 1325 | const int pertubType) const
|
---|
| 1326 | {
|
---|
| 1327 | rayBundle.push_back(mainRay);
|
---|
| 1328 |
|
---|
[1564] | 1329 | const float pertubOrigin = 0.0f;
|
---|
| 1330 | const float pertubDir = 0.2f;
|
---|
[1381] | 1331 |
|
---|
| 1332 | for (int i = 0; i < number - 1; ++ i)
|
---|
| 1333 | {
|
---|
| 1334 | Vector3 pertub;
|
---|
| 1335 |
|
---|
| 1336 | pertub.x = RandomValue(0.0f, pertubDir);
|
---|
| 1337 | pertub.y = RandomValue(0.0f, pertubDir);
|
---|
| 1338 | pertub.z = RandomValue(0.0f, pertubDir);
|
---|
[1713] | 1339 |
|
---|
[1381] | 1340 | const Vector3 newDir = mainRay.mDirection + pertub;
|
---|
| 1341 | //const Vector3 newDir = mainRay.mDirection;
|
---|
| 1342 |
|
---|
| 1343 | pertub.x = RandomValue(0.0f, pertubOrigin);
|
---|
| 1344 | pertub.y = RandomValue(0.0f, pertubOrigin);
|
---|
| 1345 | pertub.z = RandomValue(0.0f, pertubOrigin);
|
---|
[1713] | 1346 |
|
---|
[1381] | 1347 | const Vector3 newOrigin = mainRay.mOrigin + pertub;
|
---|
| 1348 | //const Vector3 newOrigin = mainRay.mOrigin;
|
---|
| 1349 |
|
---|
[1883] | 1350 | rayBundle.push_back(SimpleRay(newOrigin, newDir, 0, 1.0f));
|
---|
[1381] | 1351 | }
|
---|
| 1352 |
|
---|
| 1353 | return true;
|
---|
| 1354 | }
|
---|
| 1355 |
|
---|
| 1356 |
|
---|
[1251] | 1357 | void Preprocessor::SetupRay(Ray &ray,
|
---|
| 1358 | const Vector3 &point,
|
---|
[1713] | 1359 | const Vector3 &direction) const
|
---|
[1251] | 1360 | {
|
---|
| 1361 | ray.Clear();
|
---|
| 1362 | // do not store anything else then intersections at the ray
|
---|
[1713] | 1363 | ray.Init(point, direction, Ray::LOCAL_RAY);
|
---|
[1251] | 1364 | }
|
---|
| 1365 |
|
---|
[1968] | 1366 |
|
---|
[1917] | 1367 | void Preprocessor::EvalViewCellHistogram()
|
---|
[1771] | 1368 | {
|
---|
[1917] | 1369 | char filename[256];
|
---|
| 1370 | Environment::GetSingleton()->GetStringValue("Preprocessor.histogram.file", filename);
|
---|
[1771] | 1371 |
|
---|
[1917] | 1372 | // mViewCellsManager->EvalViewCellHistogram(filename, 1000000);
|
---|
| 1373 | mViewCellsManager->EvalViewCellHistogramForPvsSize(filename, 1000000);
|
---|
[1771] | 1374 | }
|
---|
[1520] | 1375 |
|
---|
[1900] | 1376 |
|
---|
| 1377 | bool
|
---|
| 1378 | Preprocessor::ExportRays(const char *filename,
|
---|
| 1379 | const VssRayContainer &vssRays,
|
---|
[2001] | 1380 | const int number,
|
---|
| 1381 | const bool exportScene
|
---|
[1900] | 1382 | )
|
---|
| 1383 | {
|
---|
| 1384 | cout<<"Exporting vss rays..."<<endl<<flush;
|
---|
| 1385 |
|
---|
| 1386 | Exporter *exporter = NULL;
|
---|
| 1387 | exporter = Exporter::GetExporter(filename);
|
---|
| 1388 |
|
---|
| 1389 | if (0) {
|
---|
| 1390 | exporter->SetWireframe();
|
---|
| 1391 | exporter->ExportKdTree(*mKdTree);
|
---|
| 1392 | }
|
---|
| 1393 |
|
---|
| 1394 | exporter->SetFilled();
|
---|
| 1395 | // $$JB temporarily do not export the scene
|
---|
[2001] | 1396 | if (exportScene)
|
---|
[1900] | 1397 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
| 1398 |
|
---|
| 1399 | exporter->SetWireframe();
|
---|
| 1400 |
|
---|
| 1401 | if (1) {
|
---|
| 1402 | exporter->SetForcedMaterial(RgbColor(1,0,1));
|
---|
| 1403 | exporter->ExportBox(mViewCellsManager->GetViewSpaceBox());
|
---|
| 1404 | exporter->ResetForcedMaterial();
|
---|
| 1405 | }
|
---|
| 1406 |
|
---|
| 1407 | VssRayContainer rays;
|
---|
| 1408 | vssRays.SelectRays(number, rays);
|
---|
| 1409 | exporter->ExportRays(rays, RgbColor(1, 0, 0));
|
---|
| 1410 | delete exporter;
|
---|
| 1411 | cout<<"done."<<endl<<flush;
|
---|
| 1412 |
|
---|
| 1413 | return true;
|
---|
[1251] | 1414 | }
|
---|
[1900] | 1415 |
|
---|
[2002] | 1416 | bool
|
---|
| 1417 | Preprocessor::ExportRayAnimation(const char *filename,
|
---|
| 1418 | const vector<VssRayContainer> &vssRays
|
---|
| 1419 | )
|
---|
| 1420 | {
|
---|
| 1421 | cout<<"Exporting vss rays..."<<endl<<flush;
|
---|
| 1422 |
|
---|
| 1423 | Exporter *exporter = NULL;
|
---|
| 1424 | exporter = Exporter::GetExporter(filename);
|
---|
| 1425 | if (0) {
|
---|
| 1426 | exporter->SetWireframe();
|
---|
| 1427 | exporter->ExportKdTree(*mKdTree);
|
---|
| 1428 | }
|
---|
| 1429 | exporter->SetFilled();
|
---|
| 1430 | // $$JB temporarily do not export the scene
|
---|
[2008] | 1431 | if (0)
|
---|
[2002] | 1432 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
| 1433 | exporter->SetWireframe();
|
---|
| 1434 |
|
---|
| 1435 | if (1) {
|
---|
| 1436 | exporter->SetForcedMaterial(RgbColor(1,0,1));
|
---|
| 1437 | exporter->ExportBox(mViewCellsManager->GetViewSpaceBox());
|
---|
| 1438 | exporter->ResetForcedMaterial();
|
---|
| 1439 | }
|
---|
| 1440 |
|
---|
| 1441 | exporter->ExportRaySets(vssRays, RgbColor(1, 0, 0));
|
---|
| 1442 |
|
---|
| 1443 | delete exporter;
|
---|
| 1444 |
|
---|
| 1445 | cout<<"done."<<endl<<flush;
|
---|
| 1446 |
|
---|
| 1447 | return true;
|
---|
| 1448 | }
|
---|
| 1449 |
|
---|
[1931] | 1450 | void
|
---|
| 1451 | Preprocessor::ComputeRenderError()
|
---|
| 1452 | {
|
---|
[2709] | 1453 | // compute rendering error
|
---|
[1931] | 1454 | if (renderer && renderer->mPvsStatFrames) {
|
---|
[2680] | 1455 |
|
---|
| 1456 | if (!mViewCellsManager->GetViewCellPointsList()->empty())
|
---|
| 1457 | {
|
---|
[2049] | 1458 |
|
---|
[2598] | 1459 | ViewCellPointsList *vcPoints = mViewCellsManager->GetViewCellPointsList();
|
---|
[2049] | 1460 |
|
---|
[2598] | 1461 | ViewCellPointsList::const_iterator
|
---|
[2050] | 1462 | vit = vcPoints->begin(),
|
---|
| 1463 | vit_end = vcPoints->end();
|
---|
| 1464 |
|
---|
[2049] | 1465 | SimpleRayContainer viewPoints;
|
---|
| 1466 |
|
---|
[2050] | 1467 | for (; vit != vit_end; ++ vit) {
|
---|
[2049] | 1468 | ViewCellPoints *vp = *vit;
|
---|
| 1469 |
|
---|
| 1470 | SimpleRayContainer::const_iterator rit = vp->second.begin(), rit_end = vp->second.end();
|
---|
| 1471 | for (; rit!=rit_end; ++rit)
|
---|
| 1472 | viewPoints.push_back(*rit);
|
---|
| 1473 | }
|
---|
[2647] | 1474 |
|
---|
[2050] | 1475 | if (viewPoints.size() != renderer->mPvsErrorBuffer.size()) {
|
---|
| 1476 | renderer->mPvsErrorBuffer.resize(viewPoints.size());
|
---|
| 1477 | renderer->ClearErrorBuffer();
|
---|
| 1478 | }
|
---|
| 1479 |
|
---|
[2680] | 1480 | cout << "evaluating list of " << viewPoints.size() << " pts" << endl;
|
---|
[2049] | 1481 | renderer->EvalPvsStat(viewPoints);
|
---|
| 1482 | } else
|
---|
[2648] | 1483 | {
|
---|
[2680] | 1484 | cout << "evaluating random points" << endl;
|
---|
[2049] | 1485 | renderer->EvalPvsStat();
|
---|
[2648] | 1486 | }
|
---|
| 1487 |
|
---|
[1931] | 1488 | mStats <<
|
---|
| 1489 | "#AvgPvsRenderError\n" <<renderer->mPvsStat.GetAvgError()<<endl<<
|
---|
[2002] | 1490 | "#AvgPixelError\n" <<renderer->GetAvgPixelError()<<endl<<
|
---|
[2008] | 1491 | "#MaxPixelError\n" <<renderer->GetMaxPixelError()<<endl<<
|
---|
[1931] | 1492 | "#MaxPvsRenderError\n" <<renderer->mPvsStat.GetMaxError()<<endl<<
|
---|
| 1493 | "#ErrorFreeFrames\n" <<renderer->mPvsStat.GetErrorFreeFrames()<<endl<<
|
---|
| 1494 | "#AvgRenderPvs\n" <<renderer->mPvsStat.GetAvgPvs()<<endl;
|
---|
| 1495 | }
|
---|
[1900] | 1496 | }
|
---|
[1931] | 1497 |
|
---|
[1958] | 1498 |
|
---|
| 1499 | Intersectable *Preprocessor::GetObjectById(const int id)
|
---|
| 1500 | {
|
---|
[1960] | 1501 | #if 1
|
---|
[1958] | 1502 | // create a dummy mesh instance to be able to use stl
|
---|
| 1503 | MeshInstance object(NULL);
|
---|
| 1504 | object.SetId(id);
|
---|
| 1505 |
|
---|
| 1506 | ObjectContainer::const_iterator oit =
|
---|
| 1507 | lower_bound(mObjects.begin(), mObjects.end(), &object, ilt);
|
---|
| 1508 |
|
---|
| 1509 | // objects sorted by id
|
---|
| 1510 | if ((oit != mObjects.end()) && ((*oit)->GetId() == object.GetId()))
|
---|
| 1511 | {
|
---|
| 1512 | return (*oit);
|
---|
| 1513 | }
|
---|
| 1514 | else
|
---|
| 1515 | {
|
---|
| 1516 | return NULL;
|
---|
| 1517 | }
|
---|
| 1518 | #else
|
---|
[2685] | 1519 | return mObjects[id];
|
---|
[1958] | 1520 | #endif
|
---|
[1931] | 1521 | }
|
---|
[1958] | 1522 |
|
---|
[1968] | 1523 |
|
---|
| 1524 | void Preprocessor::PrepareHwGlobalLines()
|
---|
| 1525 | {
|
---|
| 1526 | int texHeight, texWidth;
|
---|
| 1527 | float eps;
|
---|
| 1528 | int maxDepth;
|
---|
| 1529 | bool sampleReverse;
|
---|
| 1530 |
|
---|
| 1531 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.texHeight", texHeight);
|
---|
[1969] | 1532 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.texWidth", texWidth);
|
---|
[1968] | 1533 | Environment::GetSingleton()->GetFloatValue("Preprocessor.HwGlobalLines.stepSize", eps);
|
---|
| 1534 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.maxDepth", maxDepth);
|
---|
| 1535 | Environment::GetSingleton()->GetBoolValue("Preprocessor.HwGlobalLines.sampleReverse", sampleReverse);
|
---|
| 1536 |
|
---|
[1969] | 1537 | Debug << "****** hw global line options *******" << endl;
|
---|
| 1538 | Debug << "texWidth: " << texWidth << endl;
|
---|
| 1539 | Debug << "texHeight: " << texHeight << endl;
|
---|
| 1540 | Debug << "sampleReverse: " << sampleReverse << endl;
|
---|
| 1541 | Debug << "max depth: " << maxDepth << endl;
|
---|
| 1542 | Debug << "step size: " << eps << endl;
|
---|
| 1543 | Debug << endl;
|
---|
| 1544 |
|
---|
[1990] | 1545 | #ifdef USE_CG
|
---|
[1969] | 1546 | globalLinesRenderer = mGlobalLinesRenderer =
|
---|
[1968] | 1547 | new GlobalLinesRenderer(this,
|
---|
| 1548 | texHeight,
|
---|
| 1549 | texWidth,
|
---|
| 1550 | eps,
|
---|
| 1551 | maxDepth,
|
---|
| 1552 | sampleReverse);
|
---|
[1990] | 1553 |
|
---|
[1968] | 1554 | mGlobalLinesRenderer->InitGl();
|
---|
[1990] | 1555 |
|
---|
| 1556 | #endif
|
---|
[1958] | 1557 | }
|
---|
[1968] | 1558 |
|
---|
[2048] | 1559 |
|
---|
| 1560 | void Preprocessor::DeterminePvsObjects(VssRayContainer &rays)
|
---|
| 1561 | {
|
---|
[2606] | 1562 | mViewCellsManager->DeterminePvsObjects(rays, false);
|
---|
[1968] | 1563 | }
|
---|
[2048] | 1564 |
|
---|
| 1565 |
|
---|
[2183] | 1566 | bool Preprocessor::LoadObjects(const string &filename,
|
---|
| 1567 | ObjectContainer &pvsObjects,
|
---|
| 1568 | const ObjectContainer &preprocessorObjects)
|
---|
| 1569 | {
|
---|
| 1570 | ObjectsParser parser;
|
---|
| 1571 |
|
---|
| 1572 | const bool success = parser.ParseObjects(filename,
|
---|
| 1573 | pvsObjects,
|
---|
| 1574 | preprocessorObjects);
|
---|
| 1575 |
|
---|
| 1576 | if (!success)
|
---|
| 1577 | {
|
---|
| 1578 | Debug << "Error: loading objects failed!" << endl;
|
---|
| 1579 | }
|
---|
| 1580 |
|
---|
| 1581 | // hack: no bvh object could be found => take preprocessor objects
|
---|
| 1582 | if (pvsObjects.empty())
|
---|
| 1583 | {
|
---|
| 1584 | Debug << "no objects" << endl;
|
---|
| 1585 | pvsObjects = preprocessorObjects;
|
---|
| 1586 | }
|
---|
| 1587 |
|
---|
| 1588 | return success;
|
---|
[2048] | 1589 | }
|
---|
[2183] | 1590 |
|
---|
| 1591 |
|
---|
[2702] | 1592 | void Preprocessor::RegisterDynamicObject(SceneGraphLeaf *leaf)
|
---|
| 1593 | {
|
---|
| 1594 | mDynamicObjects.push_back(leaf);
|
---|
| 1595 |
|
---|
[2709] | 1596 | // tell ray caster to update
|
---|
| 1597 | ScheduleUpdateDynamicObjects();
|
---|
[2702] | 1598 |
|
---|
[2709] | 1599 | if (0)
|
---|
| 1600 | {
|
---|
| 1601 | // add to scene graph
|
---|
| 1602 | mSceneGraph->GetRoot()->mChildren.push_back(leaf);
|
---|
| 1603 | // add to ray caster
|
---|
| 1604 | if (mRayCaster)
|
---|
| 1605 | mRayCaster->AddDynamicObjecs(leaf->mGeometry, leaf->GetTransformation());
|
---|
| 1606 | }
|
---|
[2703] | 1607 | // $$ JB in order to compile
|
---|
| 1608 | //return leaf;
|
---|
[2609] | 1609 | }
|
---|
| 1610 |
|
---|
| 1611 |
|
---|
[2694] | 1612 | SceneGraphLeaf *Preprocessor::LoadDynamicGeometry(const string &filename)
|
---|
[2609] | 1613 | {
|
---|
[2682] | 1614 | const bool dynamic = true;
|
---|
[2615] | 1615 | SceneGraphLeaf *leaf = new SceneGraphLeaf(dynamic);
|
---|
[2682] | 1616 |
|
---|
[2638] | 1617 | bool parsed = false;
|
---|
[2609] | 1618 |
|
---|
[2678] | 1619 | if (strstr(filename.c_str(), ".obj"))
|
---|
| 1620 | {
|
---|
| 1621 | cout<<"parsing obj file.."<<endl;
|
---|
| 1622 | ObjParser *p = new ObjParser;
|
---|
[2694] | 1623 | parsed = p->ParseFile(filename, leaf, false);
|
---|
[2678] | 1624 | }
|
---|
| 1625 | else
|
---|
| 1626 | {
|
---|
| 1627 | cout<<"parsing binary obj file ... " << endl;
|
---|
| 1628 | parsed = LoadBinaryObj(filename, leaf, NULL, 100);
|
---|
[2638] | 1629 | }
|
---|
[2678] | 1630 |
|
---|
[2638] | 1631 | if (parsed)
|
---|
[2678] | 1632 | {
|
---|
[2694] | 1633 | ObjectContainer::const_iterator it, it_end = leaf->mGeometry.end();
|
---|
[2678] | 1634 |
|
---|
[2694] | 1635 | for (it = leaf->mGeometry.begin(); it != it_end; ++ it)
|
---|
| 1636 | {
|
---|
| 1637 | TriangleIntersectable *tri = static_cast<TriangleIntersectable *>(*it);
|
---|
[2678] | 1638 |
|
---|
[2694] | 1639 | Triangle3 t = tri->GetItem();
|
---|
[2636] | 1640 |
|
---|
[2702] | 1641 | // hack: scale object appropriately
|
---|
| 1642 | float scale = 0.01f;
|
---|
| 1643 |
|
---|
[2694] | 1644 | t.mVertices[0] *= scale;
|
---|
| 1645 | t.mVertices[1] *= scale;
|
---|
| 1646 | t.mVertices[2] *= scale;
|
---|
[2636] | 1647 |
|
---|
[2694] | 1648 | tri->SetItem(t);
|
---|
| 1649 | }
|
---|
[2682] | 1650 |
|
---|
[2694] | 1651 | leaf->UpdateBox();
|
---|
[2709] | 1652 |
|
---|
| 1653 | float offs = -leaf->GetOriginalBox().Min().y;
|
---|
| 1654 |
|
---|
| 1655 | // scale so pivot is always on bottom
|
---|
| 1656 | for (it = leaf->mGeometry.begin(); it != it_end; ++ it)
|
---|
| 1657 | {
|
---|
| 1658 | TriangleIntersectable *tri = static_cast<TriangleIntersectable *>(*it);
|
---|
| 1659 |
|
---|
| 1660 | Triangle3 t = tri->GetItem();
|
---|
| 1661 |
|
---|
| 1662 | // hack: scale object appropriately
|
---|
| 1663 | t.mVertices[0].y += offs;
|
---|
| 1664 | t.mVertices[1].y += offs;
|
---|
| 1665 | t.mVertices[2].y += offs;
|
---|
| 1666 |
|
---|
| 1667 | tri->SetItem(t);
|
---|
| 1668 | }
|
---|
| 1669 |
|
---|
| 1670 | leaf->UpdateBox();
|
---|
| 1671 |
|
---|
| 1672 |
|
---|
[2694] | 1673 | cout<<"Dynamic object loaded successfully: " << leaf->GetBox() << endl;
|
---|
| 1674 |
|
---|
| 1675 | return leaf;
|
---|
| 1676 | }
|
---|
| 1677 |
|
---|
| 1678 |
|
---|
| 1679 | cout<<"Dynamic object loading failed."<<endl;
|
---|
| 1680 | return NULL;
|
---|
[2183] | 1681 | }
|
---|
[2593] | 1682 |
|
---|
[2636] | 1683 |
|
---|
[2700] | 1684 | /** Object has moved - must dynamically update all affected PVSs */
|
---|
| 1685 | void
|
---|
[2707] | 1686 | Preprocessor::ObjectMoved(SceneGraphLeaf *leaf)
|
---|
[2636] | 1687 | {
|
---|
[2700] | 1688 | // first invalidate all PVS from which this object is visible
|
---|
| 1689 | ViewCellContainer::const_iterator vit, vit_end = mViewCellsManager->GetViewCells().end();
|
---|
[2707] | 1690 |
|
---|
| 1691 | AxisAlignedBox3 box = leaf->GetBox();
|
---|
| 1692 | Intersectable *inter = leaf->GetIntersectable();
|
---|
| 1693 | int removedEntries = 0;
|
---|
[2708] | 1694 | CSeparatingAxisTester shadowVolume;
|
---|
| 1695 |
|
---|
[2707] | 1696 | // now search for pvss which contained any mailed node
|
---|
| 1697 | for (vit = mViewCellsManager->GetViewCells().begin(); vit != vit_end; ++ vit) {
|
---|
| 1698 | ObjectPvs &pvs = (*vit)->GetPvs();
|
---|
| 1699 | if (Overlap(box, (*vit)->GetBox())) {
|
---|
| 1700 | pvs.Clear();
|
---|
| 1701 | removedEntries += pvs.GetSize();
|
---|
| 1702 | } else {
|
---|
| 1703 |
|
---|
| 1704 | // cout<<(*vit)->GetBox()<<" "<<box<<endl;
|
---|
| 1705 | shadowVolume.Init((*vit)->GetBox(), box);
|
---|
| 1706 |
|
---|
| 1707 | int j = 0;
|
---|
| 1708 | for (int i=0; i < pvs.mEntries.size(); i++) {
|
---|
| 1709 | Intersectable *o = pvs.mEntries[i].mObject;
|
---|
[2678] | 1710 |
|
---|
[2707] | 1711 | if (!shadowVolume.TestIsInsideShaft(o->GetBox())) {
|
---|
| 1712 | if (j != i)
|
---|
| 1713 | pvs.mEntries[j] = pvs.mEntries[i];
|
---|
| 1714 | j++;
|
---|
| 1715 | } else {
|
---|
| 1716 | removedEntries++;
|
---|
[2678] | 1717 | }
|
---|
[2707] | 1718 | }
|
---|
| 1719 | pvs.mLastSorted = 0;
|
---|
| 1720 | if (j==0)
|
---|
| 1721 | pvs.mEntries.clear();
|
---|
| 1722 | else {
|
---|
| 1723 | pvs.mEntries.resize(j);
|
---|
| 1724 | pvs.SimpleSort();
|
---|
| 1725 | }
|
---|
[2638] | 1726 | }
|
---|
[2707] | 1727 | }
|
---|
| 1728 |
|
---|
| 1729 | cerr<<"Number of removed pvs entries = "<<removedEntries<<endl;
|
---|
| 1730 | // cout<<"Cleared "<<pvsCounter<<" PVSs ("<<mViewCellsManager->GetViewCells().size()/
|
---|
| 1731 | // (float)pvsCounter*100.0f<<"%) "<<endl;
|
---|
| 1732 |
|
---|
[2593] | 1733 | }
|
---|
[2636] | 1734 |
|
---|
[2645] | 1735 |
|
---|
[2709] | 1736 | void Preprocessor::ObjectRemoved(SceneGraphLeaf *leaf)
|
---|
| 1737 | {
|
---|
| 1738 | ObjectMoved(leaf);
|
---|
| 1739 | }
|
---|
| 1740 |
|
---|
| 1741 |
|
---|
[2645] | 1742 | void Preprocessor::UpdateDynamicObjects()
|
---|
[2636] | 1743 | {
|
---|
[2645] | 1744 | if (mUpdateDynamicObjects)
|
---|
| 1745 | {
|
---|
[2678] | 1746 | // delete ALL dynamic stuff and rebuild using the new trafos
|
---|
[2645] | 1747 | preprocessor->mRayCaster->DeleteDynamicObjects();
|
---|
[2636] | 1748 |
|
---|
[2709] | 1749 | for (size_t i = 0; i < mDynamicObjects.size(); ++ i)
|
---|
[2645] | 1750 | {
|
---|
| 1751 | SceneGraphLeaf *l = mDynamicObjects[i];
|
---|
[2709] | 1752 |
|
---|
| 1753 | UpdateObjectInRayCaster(l);
|
---|
| 1754 |
|
---|
| 1755 | if (l->HasChanged())
|
---|
| 1756 | {
|
---|
| 1757 | cout<<"Updating affected PVSs..."<<endl;
|
---|
| 1758 | preprocessor->ObjectMoved(l);
|
---|
| 1759 | cout<<"done."<<endl;
|
---|
| 1760 | l->SetHasChanged(false);
|
---|
| 1761 | }
|
---|
[2645] | 1762 | }
|
---|
| 1763 |
|
---|
| 1764 | mUpdateDynamicObjects = false;
|
---|
[2636] | 1765 | }
|
---|
| 1766 | }
|
---|
| 1767 |
|
---|
[2645] | 1768 |
|
---|
| 1769 | void Preprocessor::ScheduleUpdateDynamicObjects()
|
---|
| 1770 | {
|
---|
[2709] | 1771 | mUpdateDynamicObjects = true;
|
---|
[2636] | 1772 | }
|
---|
[2645] | 1773 |
|
---|
| 1774 |
|
---|
[2709] | 1775 | void Preprocessor::UpdateObjectInRayCaster(SceneGraphLeaf *l)
|
---|
| 1776 | {
|
---|
| 1777 | cout<<"Updating dynamic objects in ray caster..."<<endl;
|
---|
| 1778 |
|
---|
| 1779 | mRayCaster->AddDynamicObjecs(l->mGeometry, l->GetTransformation());
|
---|
| 1780 | cout<<"done."<<endl;
|
---|
[2645] | 1781 | }
|
---|
[2709] | 1782 |
|
---|
| 1783 | } |
---|