[440] | 1 | #include "ViewCellsManager.h"
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| 2 | #include "RenderSimulator.h"
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| 3 | #include "Mesh.h"
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| 4 | #include "Triangle3.h"
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| 5 | #include "ViewCell.h"
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| 6 | #include "Environment.h"
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| 7 | #include "X3dParser.h"
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| 8 | #include "ViewCellBsp.h"
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| 9 | #include "KdTree.h"
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| 10 | #include "VspKdTree.h"
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| 11 | #include "Exporter.h"
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[442] | 12 | #include "VspBspTree.h"
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[508] | 13 | #include "ViewCellsParser.h"
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[532] | 14 | #include "Beam.h"
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[540] | 15 | #include "VssPreprocessor.h"
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| 16 | #include "RssPreprocessor.h"
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[440] | 17 |
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[517] | 18 |
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[532] | 19 |
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[440] | 20 | ViewCellsManager::ViewCellsManager():
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[480] | 21 | mRenderer(NULL),
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[574] | 22 | mInitialSamples(0),
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[440] | 23 | mConstructionSamples(0),
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| 24 | mPostProcessSamples(0),
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[470] | 25 | mVisualizationSamples(0),
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| 26 | mTotalAreaValid(false),
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[517] | 27 | mTotalArea(0.0f),
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[547] | 28 | mViewCellsFinished(false),
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[562] | 29 | mMaxPvsSize(9999999),
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[564] | 30 | mMinPvsSize(0), // one means only empty view cells are invalid
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[561] | 31 | mMaxPvsRatio(1.0)
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[440] | 32 | {
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[542] | 33 | mViewSpaceBox.Initialize();
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[482] | 34 | ParseEnvironment();
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[580] | 35 |
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| 36 | mViewCellsTree = new ViewCellsTree(this);
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[440] | 37 | }
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| 38 |
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[517] | 39 |
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[482] | 40 | void ViewCellsManager::ParseEnvironment()
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| 41 | {
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[503] | 42 | // visualization stuff
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[485] | 43 | environment->GetBoolValue("ViewCells.Visualization.exportRays", mExportRays);
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| 44 | environment->GetBoolValue("ViewCells.Visualization.exportGeometry", mExportGeometry);
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[547] | 45 | environment->GetFloatValue("ViewCells.maxPvsRatio", mMaxPvsRatio);
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[564] | 46 | bool emptyViewCells = false;
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| 47 | environment->GetBoolValue("ViewCells.pruneEmptyViewCells", emptyViewCells);
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| 48 | environment->GetBoolValue("ViewCells.processOnlyValidViewCells", mOnlyValidViewCells);
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[485] | 49 |
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[574] | 50 | environment->GetIntValue("ViewCells.Construction.samples", mConstructionSamples);
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| 51 | environment->GetIntValue("ViewCells.PostProcess.samples", mPostProcessSamples);
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| 52 | environment->GetIntValue("ViewCells.Visualization.samples", mVisualizationSamples);
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| 53 |
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| 54 | environment->GetIntValue("ViewCells.Construction.samplesPerPass", mSamplesPerPass);
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[577] | 55 | environment->GetBoolValue("ViewCells.exportToFile", mExportViewCells);
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[591] | 56 | environment->GetBoolValue("ViewCells.PostProcess.e", mUseMerge);
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[581] | 57 |
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[582] | 58 | environment->GetIntValue("ViewCells.active", mNumMergedViewCells);
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[586] | 59 | environment->GetBoolValue("ViewCells.PostProcess.compress", mCompressViewCells);
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[591] | 60 | environment->GetBoolValue("ViewCells.Visualization.useCuttingPlane", mUseCuttingPlaneForViz);
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[580] | 61 |
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[591] | 62 | environment->GetBoolValue("ViewCells.Visualization.", mUseCuttingPlaneForViz);
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| 63 |
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| 64 | environment->GetBoolValue("ViewCells.PostProcess.merge", mMergeViewCells);
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| 65 |
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[564] | 66 | mMinPvsSize = emptyViewCells ? 1 : 0;
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| 67 |
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[482] | 68 | char buf[50];
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| 69 | environment->GetStringValue("ViewCells.Visualization.colorCode", buf);
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[503] | 70 |
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[482] | 71 | if (strcmp(buf, "PVS") == 0)
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| 72 | mColorCode = 1;
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| 73 | else if (strcmp(buf, "MergedLeaves") == 0)
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| 74 | mColorCode = 2;
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| 75 | else if (strcmp(buf, "MergedTreeDiff") == 0)
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| 76 | mColorCode = 3;
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| 77 | else
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| 78 | mColorCode = 0;
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| 79 |
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| 80 | Debug << "colorCode: " << mColorCode << endl;
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[440] | 81 | }
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| 82 |
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[485] | 83 |
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[440] | 84 | ViewCellsManager::~ViewCellsManager()
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| 85 | {
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[480] | 86 | DEL_PTR(mRenderer);
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[580] | 87 | //CLEAR_CONTAINER(mViewCells);
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| 88 | DEL_PTR(mViewCellsTree);
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| 89 |
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[503] | 90 | CLEAR_CONTAINER(mMeshContainer);
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[440] | 91 | }
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| 92 |
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[485] | 93 |
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[574] | 94 | int ViewCellsManager::CastPassSamples(const int samplesPerPass,
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| 95 | const int sampleType,
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| 96 | VssRayContainer &passSamples) const
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[527] | 97 | {
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[570] | 98 | SimpleRayContainer simpleRays;
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[540] | 99 |
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[573] | 100 | preprocessor->GenerateRays(samplesPerPass,
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| 101 | sampleType,
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[570] | 102 | simpleRays);
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[564] | 103 |
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[573] | 104 | // shoot simple ray and add it to importance samples
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| 105 | preprocessor->CastRays(simpleRays, passSamples);
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[570] | 106 |
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[574] | 107 | return (int)passSamples.size();
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| 108 | }
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[570] | 109 |
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[574] | 110 |
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| 111 | /// helper function which destroys rays or copies them into the output ray container
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| 112 | inline void addOutRays(VssRayContainer &rays, VssRayContainer *outRays)
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| 113 | {
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| 114 | cout << "disposing samples ... ";
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[582] | 115 | long startTime = GetTime();
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| 116 | int n = (int)rays.size();
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| 117 |
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[573] | 118 | if (outRays)
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[542] | 119 | {
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[574] | 120 | VssRayContainer::const_iterator it, it_end = rays.end();
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| 121 |
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| 122 | for (it = rays.begin(); it != it_end; ++ it)
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| 123 | {
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| 124 | outRays->push_back(*it);
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| 125 | }
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[573] | 126 | }
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| 127 | else
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| 128 | {
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[574] | 129 | CLEAR_CONTAINER(rays);
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[573] | 130 | }
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[574] | 131 | cout << "finished" << endl;
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[582] | 132 | Debug << "disposed " << n << " samples in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
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[573] | 133 | }
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[570] | 134 |
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| 135 |
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[573] | 136 | int ViewCellsManager::Construct(Preprocessor *preprocessor, VssRayContainer *outRays)
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| 137 | {
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| 138 | int numSamples = 0;
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| 139 | SimpleRayContainer simpleRays;
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| 140 |
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[574] | 141 | VssRayContainer initialSamples;
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[540] | 142 |
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[574] | 143 | cout << "view cell construction: casting " << mInitialSamples << " initial samples ... ";
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[573] | 144 | //-- construction rays => we use uniform samples for this
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[574] | 145 | CastPassSamples(mInitialSamples,
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[575] | 146 | //Preprocessor::DIRECTION_BASED_DISTRIBUTION,
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| 147 | Preprocessor::SPATIAL_BOX_BASED_DISTRIBUTION,
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[574] | 148 | initialSamples);
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[573] | 149 |
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[574] | 150 | cout << "finished" << endl;
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| 151 |
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[573] | 152 | // construct view cells
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[574] | 153 | const int numInitialSamples =
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| 154 | ConstructSubdivision(preprocessor->mObjects, initialSamples);
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[540] | 155 |
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[574] | 156 | numSamples += numInitialSamples;
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[542] | 157 |
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[574] | 158 | // rays can be passed or deleted
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| 159 | addOutRays(initialSamples, outRays);
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| 160 |
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[570] | 161 |
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[573] | 162 | //-- guided rays are used for further sampling
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[574] | 163 | const int n = mConstructionSamples; //+initialSamples;
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[570] | 164 |
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[574] | 165 | bool dirSamples = false;
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[573] | 166 |
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| 167 | while (numSamples < n)
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| 168 | {
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[574] | 169 | cout << "casting " << mSamplesPerPass << " samples ... ";
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| 170 | VssRayContainer constructionSamples;
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| 171 |
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| 172 | const int samplingType =
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| 173 | dirSamples ?
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| 174 | Preprocessor::DIRECTION_BASED_DISTRIBUTION :
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| 175 | Preprocessor::SPATIAL_BOX_BASED_DISTRIBUTION;
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| 176 |
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[575] | 177 | dirSamples = !dirSamples; // toggle sampling method
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[574] | 178 | numSamples += CastPassSamples(mSamplesPerPass,
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| 179 | samplingType,
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| 180 | constructionSamples);
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| 181 |
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| 182 | cout << "finished" << endl;
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| 183 |
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| 184 | cout << "computing sample contribution for " << (int)constructionSamples.size() << " samples ... ";
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| 185 |
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| 186 | // TODO: leak?
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| 187 | ComputeSampleContributions(constructionSamples, true, false);
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| 188 | cout << "finished" << endl;
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| 189 |
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| 190 |
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| 191 | addOutRays(constructionSamples, outRays);
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| 192 |
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| 193 | cout << "total samples: " << numSamples << endl;
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[542] | 194 | }
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[573] | 195 |
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[570] | 196 |
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[573] | 197 | //-- post processing
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| 198 | VssRayContainer postProcessSamples;
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[570] | 199 |
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[573] | 200 | //-- construction rays => we use uniform samples for this
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[574] | 201 | CastPassSamples(mPostProcessSamples,
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| 202 | Preprocessor::DIRECTION_BASED_DISTRIBUTION,
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| 203 | postProcessSamples);
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[573] | 204 |
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[574] | 205 | cout << "starting post processing and visualization" << endl;
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| 206 |
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| 207 | // store viewCells for postprocessing
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| 208 | const bool storeViewCells = true;
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| 209 | ComputeSampleContributions(postProcessSamples, true, storeViewCells);
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[570] | 210 | // merge the view cells
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[573] | 211 | PostProcess(preprocessor->mObjects, postProcessSamples);
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[570] | 212 |
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| 213 |
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[574] | 214 | //-- visualization
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| 215 | VssRayContainer visualizationSamples;
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| 216 |
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| 217 | //-- construction rays => we use uniform samples for this
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| 218 | CastPassSamples(mVisualizationSamples,
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| 219 | Preprocessor::DIRECTION_BASED_DISTRIBUTION,
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| 220 | visualizationSamples);
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| 221 |
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| 222 | ComputeSampleContributions(visualizationSamples, true, storeViewCells);
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| 223 |
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| 224 | //Debug << "visualizationsamples: " << mVisualizationSamples << " " << visualizationSamples.size() << endl;
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| 225 | // different visualizations
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| 226 | Visualize(preprocessor->mObjects, visualizationSamples);
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| 227 |
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| 228 | addOutRays(visualizationSamples, outRays);
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| 229 |
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[573] | 230 | return numSamples;
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[527] | 231 | }
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| 232 |
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[547] | 233 |
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[564] | 234 | bool ViewCellsManager::CheckValidity(ViewCell *vc,
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| 235 | int minPvsSize,
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[562] | 236 | int maxPvsSize) const
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[547] | 237 | {
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[569] | 238 |
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| 239 | if ((vc->GetPvs().GetSize() > maxPvsSize) ||
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| 240 | (vc->GetPvs().GetSize() < minPvsSize))
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[564] | 241 | {
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[569] | 242 | return false;
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[561] | 243 | }
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[570] | 244 |
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[569] | 245 | return true;
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[547] | 246 | }
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| 247 |
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| 248 |
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[581] | 249 | bool ViewCellsManager::ViewCellsTreeConstructed() const
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| 250 | {
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| 251 | return mViewCellsTree->GetRoot();
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| 252 | }
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| 253 |
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| 254 |
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[564] | 255 | void ViewCellsManager::SetValidity(ViewCell *vc,
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| 256 | int minPvs,
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[562] | 257 | int maxPvs) const
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| 258 | {
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| 259 | vc->SetValid(CheckValidity(vc, minPvs, maxPvs));
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| 260 | }
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| 261 |
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[577] | 262 |
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[569] | 263 | void
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| 264 | ViewCellsManager::SetValidity(
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[570] | 265 | int minPvsSize,
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[569] | 266 | int maxPvsSize) const
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| 267 | {
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| 268 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
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[570] | 269 |
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[569] | 270 | for (it = mViewCells.begin(); it != it_end; ++ it) {
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| 271 | SetValidity(*it, minPvsSize, maxPvsSize);
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| 272 | }
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| 273 | }
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[562] | 274 |
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[569] | 275 | void
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| 276 | ViewCellsManager::SetValidityPercentage(
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| 277 | const float minValid,
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| 278 | const float maxValid
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| 279 | )
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| 280 | {
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| 281 | sort(mViewCells.begin(), mViewCells.end(), ViewCell::SmallerPvs);
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[570] | 282 |
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[569] | 283 | int start = mViewCells.size()*minValid;
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| 284 | int end = mViewCells.size()*maxValid;
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[570] | 285 |
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[569] | 286 | for (int i=0; i < mViewCells.size(); i++)
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| 287 | mViewCells[i]->SetValid(i >= start && i <= end);
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| 288 | }
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| 289 |
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| 290 | int
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| 291 | ViewCellsManager::CountValidViewcells() const
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| 292 | {
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| 293 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
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| 294 | int valid = 0;
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| 295 | for (it = mViewCells.begin(); it != it_end; ++ it) {
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| 296 | if ((*it)->GetValid())
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| 297 | valid++;
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| 298 | }
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| 299 | return valid;
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| 300 | }
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| 301 |
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[577] | 302 |
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| 303 | bool ViewCellsManager::LoadViewCellsGeometry(const string filename)
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[440] | 304 | {
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| 305 | X3dParser parser;
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[503] | 306 |
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[440] | 307 | environment->GetFloatValue("ViewCells.height", parser.mViewCellHeight);
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[503] | 308 |
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[440] | 309 | bool success = parser.ParseFile(filename, *this);
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| 310 | Debug << (int)mViewCells.size() << " view cells loaded" << endl;
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| 311 |
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| 312 | return success;
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| 313 | }
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| 314 |
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[485] | 315 |
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[487] | 316 | bool ViewCellsManager::GetViewPoint(Vector3 &viewPoint) const
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| 317 | {
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[542] | 318 | viewPoint = mViewSpaceBox.GetRandomPoint();
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[487] | 319 |
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| 320 | return true;
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| 321 | }
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| 322 |
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| 323 |
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[557] | 324 | float ViewCellsManager::GetViewSpaceVolume()
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| 325 | {
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[580] | 326 | return mViewSpaceBox.GetVolume()*(2.0f*sqr((float)M_PI));
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[557] | 327 | }
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| 328 |
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| 329 |
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[490] | 330 | bool ViewCellsManager::ViewPointValid(const Vector3 &viewPoint) const
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| 331 | {
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[569] | 332 | if (!ViewCellsConstructed())
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[542] | 333 | return mViewSpaceBox.IsInside(viewPoint);
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[569] | 334 | else {
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| 335 | if (!mViewSpaceBox.IsInside(viewPoint))
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| 336 | return false;
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| 337 | ViewCell *viewcell = GetViewCell(viewPoint);
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| 338 | if (!viewcell || !viewcell->GetValid())
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| 339 | return false;
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| 340 | }
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| 341 | return true;
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[490] | 342 | }
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| 343 |
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[501] | 344 |
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[563] | 345 | float
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| 346 | ViewCellsManager::ComputeSampleContributions(const VssRayContainer &rays,
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[574] | 347 | const bool addRays,
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| 348 | const bool storeViewCells
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[563] | 349 | )
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[440] | 350 | {
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[563] | 351 | // view cells not yet constructed
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| 352 | if (!ViewCellsConstructed())
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| 353 | return 0.0f;
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[564] | 354 |
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[563] | 355 | VssRayContainer::const_iterator it, it_end = rays.end();
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[503] | 356 |
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[563] | 357 | float sum = 0.0f;
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| 358 | for (it = rays.begin(); it != it_end; ++ it) {
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[574] | 359 | sum += ComputeSampleContributions(*(*it), addRays, storeViewCells);
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[567] | 360 | //ComputeSampleContributions(*(*it), addRays);
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| 361 | // sum += (*it)->mPvsContribution;
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[563] | 362 | }
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| 363 | return sum;
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[440] | 364 | }
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| 365 |
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[485] | 366 |
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[479] | 367 | void ViewCellsManager::EvaluateViewCellsStats()
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| 368 | {
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| 369 | mViewCellsStats.Reset();
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| 370 |
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| 371 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
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| 372 |
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| 373 | for (it = mViewCells.begin(); it != it_end; ++ it)
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[487] | 374 | {
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[479] | 375 | (*it)->UpdateViewCellsStats(mViewCellsStats);
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[487] | 376 | }
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[479] | 377 | }
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| 378 |
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[485] | 379 |
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[580] | 380 | void ViewCellsManager::EvaluateRenderStatistics(float &totalRenderCost,
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[579] | 381 | float &expectedRenderCost,
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[580] | 382 | float &deviation,
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| 383 | float &variance,
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| 384 | int &totalPvs,
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| 385 | float &avgRenderCost)
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[579] | 386 | {
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| 387 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
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| 388 |
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[580] | 389 |
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[579] | 390 | //-- compute expected value
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| 391 |
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| 392 | totalRenderCost = 0;
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[580] | 393 | totalPvs = 0;
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[579] | 394 |
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| 395 | for (it = mViewCells.begin(); it != it_end; ++ it)
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| 396 | {
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| 397 | ViewCell *vc = *it;
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| 398 | totalRenderCost += vc->GetPvs().GetSize() * vc->GetVolume();
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[580] | 399 | totalPvs += (int)vc->GetPvs().GetSize();
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[579] | 400 | }
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| 401 |
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[580] | 402 | // normalize with view space box
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| 403 | totalRenderCost /= mViewSpaceBox.GetVolume();
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[579] | 404 | expectedRenderCost = totalRenderCost / (float)mViewCells.size();
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[580] | 405 | avgRenderCost = totalPvs / (float)mViewCells.size();
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[579] | 406 |
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| 407 |
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[580] | 408 | //-- compute standard defiation
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[579] | 409 | variance = 0;
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[580] | 410 | deviation = 0;
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[579] | 411 |
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| 412 | for (it = mViewCells.begin(); it != it_end; ++ it)
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| 413 | {
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| 414 | ViewCell *vc = *it;
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| 415 |
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| 416 | float renderCost = vc->GetPvs().GetSize() * vc->GetVolume();
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[580] | 417 | float dev;
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[579] | 418 |
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[580] | 419 | if (1)
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| 420 | dev = fabs(avgRenderCost - (float)vc->GetPvs().GetSize());
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| 421 | else
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| 422 | dev = fabs(expectedRenderCost - renderCost);
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[579] | 423 |
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[580] | 424 | deviation += dev;
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| 425 | variance += dev * dev;
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[579] | 426 | }
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[580] | 427 |
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[579] | 428 | variance /= (float)mViewCells.size();
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[580] | 429 | deviation /= (float)mViewCells.size();
|
---|
[579] | 430 | }
|
---|
| 431 |
|
---|
| 432 |
|
---|
| 433 |
|
---|
[440] | 434 | void ViewCellsManager::AddViewCell(ViewCell *viewCell)
|
---|
| 435 | {
|
---|
| 436 | mViewCells.push_back(viewCell);
|
---|
| 437 | }
|
---|
| 438 |
|
---|
[485] | 439 |
|
---|
[478] | 440 | float ViewCellsManager::GetArea(ViewCell *viewCell) const
|
---|
| 441 | {
|
---|
| 442 | return viewCell->GetArea();
|
---|
| 443 | }
|
---|
| 444 |
|
---|
| 445 |
|
---|
| 446 | float ViewCellsManager::GetVolume(ViewCell *viewCell) const
|
---|
| 447 | {
|
---|
| 448 | return viewCell->GetVolume();
|
---|
| 449 | }
|
---|
| 450 |
|
---|
[485] | 451 |
|
---|
[503] | 452 | void ViewCellsManager::DeriveViewCells(const ObjectContainer &objects,
|
---|
| 453 | ViewCellContainer &viewCells,
|
---|
[440] | 454 | const int maxViewCells) const
|
---|
| 455 | {
|
---|
| 456 | // maximal max viewcells
|
---|
[503] | 457 | int limit = maxViewCells > 0 ?
|
---|
[440] | 458 | Min((int)objects.size(), maxViewCells) : (int)objects.size();
|
---|
| 459 |
|
---|
| 460 | for (int i = 0; i < limit; ++ i)
|
---|
| 461 | {
|
---|
| 462 | Intersectable *object = objects[i];
|
---|
[503] | 463 |
|
---|
[440] | 464 | // extract the mesh instances
|
---|
| 465 | if (object->Type() == Intersectable::MESH_INSTANCE)
|
---|
| 466 | {
|
---|
| 467 | MeshInstance *inst = dynamic_cast<MeshInstance *>(object);
|
---|
| 468 |
|
---|
| 469 | ViewCell *viewCell = GenerateViewCell(inst->GetMesh());
|
---|
| 470 | viewCells.push_back(viewCell);
|
---|
| 471 | }
|
---|
| 472 | //TODO: transformed meshes
|
---|
| 473 | }
|
---|
| 474 | }
|
---|
| 475 |
|
---|
[485] | 476 |
|
---|
[503] | 477 | ViewCell *ViewCellsManager::ExtrudeViewCell(const Triangle3 &baseTri,
|
---|
[440] | 478 | const float height) const
|
---|
| 479 | {
|
---|
| 480 | // one mesh per view cell
|
---|
| 481 | Mesh *mesh = new Mesh();
|
---|
[503] | 482 |
|
---|
[440] | 483 | //-- construct prism
|
---|
| 484 |
|
---|
[503] | 485 | // bottom
|
---|
[440] | 486 | mesh->mFaces.push_back(new Face(2,1,0));
|
---|
| 487 | // top
|
---|
| 488 | mesh->mFaces.push_back(new Face(3,4,5));
|
---|
| 489 | // sides
|
---|
| 490 | mesh->mFaces.push_back(new Face(1, 4, 3, 0));
|
---|
| 491 | mesh->mFaces.push_back(new Face(2, 5, 4, 1));
|
---|
| 492 | mesh->mFaces.push_back(new Face(3, 5, 2, 0));
|
---|
| 493 |
|
---|
| 494 | //--- extrude new vertices for top of prism
|
---|
| 495 | Vector3 triNorm = baseTri.GetNormal();
|
---|
| 496 |
|
---|
[503] | 497 | Triangle3 topTri;
|
---|
[440] | 498 |
|
---|
| 499 | // add base vertices and calculate top vertices
|
---|
| 500 | for (int i = 0; i < 3; ++ i)
|
---|
| 501 | mesh->mVertices.push_back(baseTri.mVertices[i]);
|
---|
[503] | 502 |
|
---|
| 503 | // add top vertices
|
---|
[440] | 504 | for (int i = 0; i < 3; ++ i)
|
---|
| 505 | mesh->mVertices.push_back(baseTri.mVertices[i] + height * triNorm);
|
---|
[503] | 506 |
|
---|
[440] | 507 | mesh->Preprocess();
|
---|
| 508 |
|
---|
| 509 | return GenerateViewCell(mesh);
|
---|
| 510 | }
|
---|
| 511 |
|
---|
[485] | 512 |
|
---|
[551] | 513 | void ViewCellsManager::FinalizeViewCells(const bool createMesh)
|
---|
| 514 | {
|
---|
| 515 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 516 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 517 | {
|
---|
| 518 | Finalize(*it, createMesh);
|
---|
| 519 | }
|
---|
[555] | 520 |
|
---|
| 521 | mTotalAreaValid = false;
|
---|
[551] | 522 | }
|
---|
| 523 |
|
---|
| 524 |
|
---|
| 525 | void ViewCellsManager::Finalize(ViewCell *viewCell, const bool createMesh)
|
---|
| 526 | {
|
---|
| 527 | // implemented in subclasses
|
---|
| 528 | }
|
---|
| 529 |
|
---|
| 530 |
|
---|
[582] | 531 | ViewCellInterior *ViewCellsManager::MergeViewCells(ViewCell *left, ViewCell *right) const
|
---|
[440] | 532 | {
|
---|
[580] | 533 | // generate parent view cell
|
---|
| 534 | ViewCellInterior *vc = new ViewCellInterior();//GenerateViewCell();
|
---|
[462] | 535 |
|
---|
[440] | 536 | // merge pvs
|
---|
[582] | 537 | vc->GetPvs().Merge(left->GetPvs(), right->GetPvs());
|
---|
[440] | 538 |
|
---|
[462] | 539 | //-- merge ray sets
|
---|
[564] | 540 | if (0)
|
---|
| 541 | {
|
---|
[582] | 542 | stable_sort(left->mPiercingRays.begin(), left->mPiercingRays.end());
|
---|
| 543 | stable_sort(right->mPiercingRays.begin(), right->mPiercingRays.end());
|
---|
[440] | 544 |
|
---|
[582] | 545 | std::merge(left->mPiercingRays.begin(), left->mPiercingRays.end(),
|
---|
| 546 | right->mPiercingRays.begin(), right->mPiercingRays.end(),
|
---|
[564] | 547 | vc->mPiercingRays.begin());
|
---|
| 548 | }
|
---|
[440] | 549 |
|
---|
[580] | 550 |
|
---|
[582] | 551 | vc->SetupChildLink(left);
|
---|
| 552 | vc->SetupChildLink(right);
|
---|
[580] | 553 |
|
---|
| 554 |
|
---|
[440] | 555 | return vc;
|
---|
| 556 | }
|
---|
| 557 |
|
---|
[485] | 558 |
|
---|
[582] | 559 | ViewCellInterior *ViewCellsManager::MergeViewCells(ViewCellContainer &children) const
|
---|
| 560 | {
|
---|
| 561 | ViewCellInterior *vc = new ViewCellInterior();//GenerateViewCell();
|
---|
| 562 |
|
---|
| 563 | ViewCellContainer::const_iterator it, it_end = children.end();
|
---|
| 564 |
|
---|
| 565 | for (it = children.begin(); it != it_end; ++ it)
|
---|
| 566 | {
|
---|
| 567 | // merge pvs
|
---|
| 568 | vc->GetPvs().Merge(vc->GetPvs(), (*it)->GetPvs());
|
---|
| 569 |
|
---|
| 570 | vc->SetupChildLink(*it);
|
---|
| 571 | }
|
---|
| 572 |
|
---|
| 573 | return vc;
|
---|
| 574 | }
|
---|
| 575 |
|
---|
| 576 |
|
---|
[480] | 577 | void ViewCellsManager::SetRenderer(Renderer *renderer)
|
---|
| 578 | {
|
---|
| 579 | mRenderer = renderer;
|
---|
| 580 | }
|
---|
[441] | 581 |
|
---|
[485] | 582 |
|
---|
[580] | 583 | ViewCellsTree *ViewCellsManager::GetViewCellsTree()
|
---|
[440] | 584 | {
|
---|
[580] | 585 | return mViewCellsTree;
|
---|
[440] | 586 | }
|
---|
| 587 |
|
---|
| 588 |
|
---|
| 589 | void ViewCellsManager::SetVisualizationSamples(const int visSamples)
|
---|
| 590 | {
|
---|
[444] | 591 | mVisualizationSamples = visSamples;
|
---|
[440] | 592 | }
|
---|
| 593 |
|
---|
[485] | 594 |
|
---|
[440] | 595 | void ViewCellsManager::SetConstructionSamples(const int constructionSamples)
|
---|
| 596 | {
|
---|
| 597 | mConstructionSamples = constructionSamples;
|
---|
| 598 | }
|
---|
| 599 |
|
---|
[485] | 600 |
|
---|
[574] | 601 | void ViewCellsManager::SetInitialSamples(const int initialSamples)
|
---|
| 602 | {
|
---|
| 603 | mInitialSamples = initialSamples;
|
---|
| 604 | }
|
---|
| 605 |
|
---|
| 606 |
|
---|
[440] | 607 | void ViewCellsManager::SetPostProcessSamples(const int postProcessSamples)
|
---|
| 608 | {
|
---|
| 609 | mPostProcessSamples = postProcessSamples;
|
---|
| 610 | }
|
---|
| 611 |
|
---|
[485] | 612 |
|
---|
[440] | 613 | int ViewCellsManager::GetVisualizationSamples() const
|
---|
| 614 | {
|
---|
| 615 | return mVisualizationSamples;
|
---|
| 616 | }
|
---|
| 617 |
|
---|
[485] | 618 |
|
---|
[440] | 619 | int ViewCellsManager::GetConstructionSamples() const
|
---|
| 620 | {
|
---|
| 621 | return mConstructionSamples;
|
---|
| 622 | }
|
---|
| 623 |
|
---|
[485] | 624 |
|
---|
[440] | 625 | int ViewCellsManager::GetPostProcessSamples() const
|
---|
| 626 | {
|
---|
| 627 | return mPostProcessSamples;
|
---|
| 628 | }
|
---|
| 629 |
|
---|
[485] | 630 |
|
---|
| 631 | void ViewCellsManager::GetPvsStatistics(PvsStatistics &stat)
|
---|
[467] | 632 | {
|
---|
| 633 | ViewCellContainer::const_iterator it = mViewCells.begin();
|
---|
| 634 | stat.viewcells = 0;
|
---|
| 635 | stat.minPvs = 100000000;
|
---|
| 636 | stat.maxPvs = 0;
|
---|
| 637 | stat.avgPvs = 0.0f;
|
---|
| 638 |
|
---|
| 639 | for (; it != mViewCells.end(); ++it) {
|
---|
| 640 | ViewCell *viewcell = *it;
|
---|
| 641 | int pvsSize = viewcell->GetPvs().GetSize();
|
---|
| 642 | if ( pvsSize < stat.minPvs)
|
---|
| 643 | stat.minPvs = pvsSize;
|
---|
| 644 | if (pvsSize > stat.maxPvs)
|
---|
| 645 | stat.maxPvs = pvsSize;
|
---|
| 646 | stat.avgPvs += pvsSize;
|
---|
| 647 | stat.viewcells++;
|
---|
| 648 | }
|
---|
| 649 | if (stat.viewcells)
|
---|
| 650 | stat.avgPvs/=stat.viewcells;
|
---|
| 651 | }
|
---|
| 652 |
|
---|
[485] | 653 |
|
---|
[480] | 654 | void ViewCellsManager::PrintPvsStatistics(ostream &s)
|
---|
[467] | 655 | {
|
---|
| 656 | s<<"############# Viewcell PVS STAT ##################\n";
|
---|
| 657 | PvsStatistics pvsStat;
|
---|
| 658 | GetPvsStatistics(pvsStat);
|
---|
| 659 | s<<"#AVG_PVS\n"<<pvsStat.avgPvs<<endl;
|
---|
| 660 | s<<"#MAX_PVS\n"<<pvsStat.maxPvs<<endl;
|
---|
| 661 | s<<"#MIN_PVS\n"<<pvsStat.minPvs<<endl;
|
---|
| 662 | }
|
---|
| 663 |
|
---|
[485] | 664 |
|
---|
[532] | 665 | int ViewCellsManager::CastBeam(Beam &beam)
|
---|
| 666 | {
|
---|
| 667 | return 0;
|
---|
| 668 | }
|
---|
| 669 |
|
---|
[547] | 670 |
|
---|
[468] | 671 | ViewCellContainer &ViewCellsManager::GetViewCells()
|
---|
| 672 | {
|
---|
| 673 | return mViewCells;
|
---|
| 674 | }
|
---|
| 675 |
|
---|
[485] | 676 |
|
---|
[487] | 677 | void ViewCellsManager::SetViewSpaceBox(const AxisAlignedBox3 &box)
|
---|
| 678 | {
|
---|
[542] | 679 | mViewSpaceBox = box;
|
---|
[591] | 680 |
|
---|
| 681 | CreateCuttingPlane();
|
---|
| 682 |
|
---|
[577] | 683 | mTotalAreaValid = false;
|
---|
[487] | 684 | }
|
---|
| 685 |
|
---|
| 686 |
|
---|
[591] | 687 | void ViewCellsManager::CreateCuttingPlane()
|
---|
| 688 | {
|
---|
| 689 | int axis = 0;
|
---|
| 690 |
|
---|
| 691 | Vector3 point = mViewSpaceBox.Center();
|
---|
| 692 |
|
---|
| 693 | if (mUseCuttingPlaneForViz)
|
---|
| 694 | environment->GetIntValue("ViewCells.Visualization.cuttingPlaneAxis", axis);
|
---|
| 695 |
|
---|
| 696 | Vector3 normal(0,0,0);
|
---|
| 697 | normal[axis] = 1;
|
---|
| 698 |
|
---|
| 699 | mCuttingPlane = Plane3(normal, point);
|
---|
| 700 | }
|
---|
| 701 |
|
---|
| 702 |
|
---|
[519] | 703 | AxisAlignedBox3 ViewCellsManager::GetViewSpaceBox() const
|
---|
| 704 | {
|
---|
[542] | 705 | return mViewSpaceBox;
|
---|
[519] | 706 | }
|
---|
| 707 |
|
---|
| 708 |
|
---|
[480] | 709 | void ViewCellsManager::ResetViewCells()
|
---|
| 710 | {
|
---|
| 711 | mViewCells.clear();
|
---|
[590] | 712 |
|
---|
[480] | 713 | CollectViewCells();
|
---|
[590] | 714 |
|
---|
[480] | 715 | mViewCellsStats.Reset();
|
---|
| 716 | EvaluateViewCellsStats();
|
---|
[590] | 717 |
|
---|
[520] | 718 | // has to be recomputed
|
---|
[480] | 719 | mTotalAreaValid = false;
|
---|
| 720 | }
|
---|
| 721 |
|
---|
[485] | 722 |
|
---|
[547] | 723 | int ViewCellsManager::GetMaxPvsSize() const
|
---|
| 724 | {
|
---|
| 725 | return mMaxPvsSize;
|
---|
| 726 | }
|
---|
| 727 |
|
---|
[590] | 728 |
|
---|
[563] | 729 | void
|
---|
| 730 | ViewCellsManager::AddSampleContributions(const VssRayContainer &rays)
|
---|
| 731 | {
|
---|
| 732 | if (!ViewCellsConstructed())
|
---|
| 733 | return;
|
---|
[564] | 734 |
|
---|
[563] | 735 | VssRayContainer::const_iterator it, it_end = rays.end();
|
---|
[564] | 736 |
|
---|
[563] | 737 | for (it = rays.begin(); it != it_end; ++ it) {
|
---|
| 738 | AddSampleContributions(*(*it));
|
---|
| 739 | }
|
---|
| 740 | }
|
---|
[547] | 741 |
|
---|
[581] | 742 |
|
---|
[562] | 743 | int ViewCellsManager::GetMinPvsSize() const
|
---|
| 744 | {
|
---|
| 745 | return mMinPvsSize;
|
---|
| 746 | }
|
---|
| 747 |
|
---|
| 748 |
|
---|
| 749 |
|
---|
[561] | 750 | float ViewCellsManager::GetMaxPvsRatio() const
|
---|
| 751 | {
|
---|
| 752 | return mMaxPvsRatio;
|
---|
| 753 | }
|
---|
| 754 |
|
---|
| 755 |
|
---|
[563] | 756 | void
|
---|
| 757 | ViewCellsManager::AddSampleContributions(VssRay &ray)
|
---|
[468] | 758 | {
|
---|
[563] | 759 | // assumes viewcells have been stored...
|
---|
| 760 | ViewCellContainer *viewcells = &ray.mViewCells;
|
---|
| 761 | ViewCellContainer::const_iterator it;
|
---|
| 762 | for (it = viewcells->begin(); it != viewcells->end(); ++it) {
|
---|
| 763 | ViewCell *viewcell = *it;
|
---|
[569] | 764 | if (viewcell->GetValid()) {
|
---|
| 765 | // if ray not outside of view space
|
---|
| 766 | viewcell->GetPvs().AddSample(ray.mTerminationObject, ray.mPdf);
|
---|
| 767 | }
|
---|
[563] | 768 | }
|
---|
| 769 | }
|
---|
[503] | 770 |
|
---|
[574] | 771 |
|
---|
[570] | 772 | float ViewCellsManager::ComputeSampleContributions(VssRay &ray,
|
---|
[574] | 773 | const bool addRays,
|
---|
| 774 | const bool storeViewCells)
|
---|
[563] | 775 | {
|
---|
[570] | 776 | ViewCellContainer viewcells;
|
---|
[564] | 777 |
|
---|
[570] | 778 | ray.mPvsContribution = 0;
|
---|
| 779 | ray.mRelativePvsContribution = 0.0f;
|
---|
[485] | 780 |
|
---|
[570] | 781 | static Ray hray;
|
---|
[564] | 782 | hray.Init(ray);
|
---|
| 783 | //hray.mFlags |= Ray::CULL_BACKFACES;
|
---|
| 784 | //Ray hray(ray);
|
---|
| 785 |
|
---|
| 786 | float tmin = 0, tmax = 1.0;
|
---|
| 787 |
|
---|
| 788 | if (!GetViewSpaceBox().GetRaySegment(hray, tmin, tmax) || (tmin > tmax))
|
---|
[565] | 789 | return 0;
|
---|
[564] | 790 |
|
---|
| 791 | Vector3 origin = hray.Extrap(tmin);
|
---|
| 792 | Vector3 termination = hray.Extrap(tmax);
|
---|
| 793 |
|
---|
| 794 | CastLineSegment(origin, termination, viewcells);
|
---|
| 795 | //Debug << "constribution: " << (int)viewcells.size() << endl;
|
---|
| 796 |
|
---|
[570] | 797 | // copy viewcells memory efficiently
|
---|
[574] | 798 | //const bool storeViewcells = !addRays;
|
---|
[564] | 799 |
|
---|
[574] | 800 | if (storeViewCells)
|
---|
[570] | 801 | {
|
---|
| 802 | ray.mViewCells.reserve(viewcells.size());
|
---|
| 803 | ray.mViewCells = viewcells;
|
---|
| 804 | }
|
---|
[564] | 805 |
|
---|
[570] | 806 | ViewCellContainer::const_iterator it = viewcells.begin();
|
---|
[564] | 807 |
|
---|
| 808 |
|
---|
[563] | 809 | for (; it != viewcells.end(); ++it) {
|
---|
| 810 | ViewCell *viewcell = *it;
|
---|
[569] | 811 | if (viewcell->GetValid()) {
|
---|
| 812 | // if ray not outside of view space
|
---|
| 813 | float contribution;
|
---|
| 814 | if (viewcell->GetPvs().GetSampleContribution(ray.mTerminationObject,
|
---|
| 815 | ray.mPdf,
|
---|
| 816 | contribution
|
---|
| 817 | ))
|
---|
| 818 | ray.mPvsContribution++;
|
---|
| 819 | ray.mRelativePvsContribution += contribution;
|
---|
| 820 | }
|
---|
[563] | 821 | }
|
---|
[564] | 822 |
|
---|
[563] | 823 | if (addRays)
|
---|
| 824 | for (it = viewcells.begin(); it != viewcells.end(); ++it) {
|
---|
| 825 | ViewCell *viewcell = *it;
|
---|
[569] | 826 | if (viewcell->GetValid()) {
|
---|
| 827 | // if ray not outside of view space
|
---|
| 828 | viewcell->GetPvs().AddSample(ray.mTerminationObject, ray.mPdf);
|
---|
| 829 | }
|
---|
[563] | 830 | }
|
---|
[570] | 831 |
|
---|
| 832 | return ray.mRelativePvsContribution;
|
---|
[468] | 833 | }
|
---|
| 834 |
|
---|
| 835 |
|
---|
[469] | 836 | void ViewCellsManager::GetRaySets(const VssRayContainer &sourceRays,
|
---|
[485] | 837 | const int maxSize,
|
---|
[503] | 838 | VssRayContainer &usedRays,
|
---|
[485] | 839 | VssRayContainer *savedRays) const
|
---|
[469] | 840 | {
|
---|
[485] | 841 | const int limit = min(maxSize, (int)sourceRays.size());
|
---|
[473] | 842 | const float prop = (float)limit / ((float)sourceRays.size() + Limits::Small);
|
---|
[469] | 843 |
|
---|
[485] | 844 | VssRayContainer::const_iterator it, it_end = sourceRays.end();
|
---|
[469] | 845 | for (it = sourceRays.begin(); it != it_end; ++ it)
|
---|
| 846 | {
|
---|
[473] | 847 | if (Random(1.0f) < prop)
|
---|
[485] | 848 | usedRays.push_back(*it);
|
---|
| 849 | else if (savedRays)
|
---|
| 850 | savedRays->push_back(*it);
|
---|
[469] | 851 | }
|
---|
| 852 | }
|
---|
| 853 |
|
---|
[477] | 854 |
|
---|
| 855 | float ViewCellsManager::GetAccVcArea()
|
---|
[470] | 856 | {
|
---|
| 857 | // if already computed
|
---|
| 858 | if (mTotalAreaValid)
|
---|
| 859 | return mTotalArea;
|
---|
| 860 |
|
---|
| 861 | mTotalArea = 0;
|
---|
| 862 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 863 |
|
---|
| 864 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
[480] | 865 | {
|
---|
| 866 | //Debug << "area: " << GetArea(*it);
|
---|
[470] | 867 | mTotalArea += GetArea(*it);
|
---|
[480] | 868 | }
|
---|
| 869 |
|
---|
[470] | 870 | mTotalAreaValid = true;
|
---|
| 871 |
|
---|
| 872 | return mTotalArea;
|
---|
| 873 | }
|
---|
| 874 |
|
---|
[482] | 875 |
|
---|
[475] | 876 | void ViewCellsManager::PrintStatistics(ostream &s) const
|
---|
| 877 | {
|
---|
| 878 | s << mViewCellsStats << endl;
|
---|
| 879 | }
|
---|
| 880 |
|
---|
[477] | 881 |
|
---|
[508] | 882 | void ViewCellsManager::CreateUniqueViewCellIds()
|
---|
[482] | 883 | {
|
---|
[508] | 884 | for (int i = 0; i < (int)mViewCells.size(); ++ i)
|
---|
| 885 | mViewCells[i]->SetId(i);
|
---|
| 886 | }
|
---|
| 887 |
|
---|
| 888 |
|
---|
| 889 | void ViewCellsManager::ExportViewCellsForViz(Exporter *exporter) const
|
---|
| 890 | {
|
---|
[482] | 891 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 892 |
|
---|
| 893 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 894 | {
|
---|
[574] | 895 | if (!mOnlyValidViewCells || (*it)->GetValid())
|
---|
| 896 | {
|
---|
[582] | 897 | ExportColor(exporter, *it);
|
---|
[591] | 898 | ExportViewCellGeometry(exporter, *it,
|
---|
| 899 | mUseCuttingPlaneForViz ? &mCuttingPlane : NULL);
|
---|
[574] | 900 | }
|
---|
[482] | 901 | }
|
---|
[582] | 902 |
|
---|
[482] | 903 | }
|
---|
| 904 |
|
---|
| 905 |
|
---|
[517] | 906 | void ViewCellsManager::CreateViewCellMeshes()
|
---|
[503] | 907 | {
|
---|
| 908 | // convert to meshes
|
---|
| 909 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 910 |
|
---|
| 911 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 912 | {
|
---|
[517] | 913 | if (!(*it)->GetMesh())
|
---|
| 914 | CreateMesh(*it);
|
---|
[503] | 915 | }
|
---|
| 916 | }
|
---|
| 917 |
|
---|
[508] | 918 |
|
---|
[564] | 919 | bool ViewCellsManager::ExportViewCells(const string filename)
|
---|
| 920 | {
|
---|
[508] | 921 | return false;
|
---|
| 922 | }
|
---|
| 923 |
|
---|
| 924 |
|
---|
| 925 | void ViewCellsManager::ExportViewCell(ViewCell *viewCell, ofstream &stream)
|
---|
| 926 | {
|
---|
| 927 | stream << "<ViewCell id=\"" << viewCell->GetId() << "\" ";
|
---|
| 928 | stream << "pvs=\"";
|
---|
| 929 |
|
---|
| 930 | ObjectPvsMap::iterator it, it_end = viewCell->GetPvs().mEntries.end();
|
---|
| 931 | if(0) // test with empty pvs
|
---|
| 932 | for (it = viewCell->GetPvs().mEntries.begin(); it != it_end; ++ it)
|
---|
| 933 | {
|
---|
| 934 | stream << (*it).first->GetId() << " ";
|
---|
| 935 | }
|
---|
| 936 |
|
---|
| 937 | stream << "\" />" << endl;
|
---|
| 938 | }
|
---|
| 939 |
|
---|
| 940 |
|
---|
[440] | 941 | /**********************************************************************/
|
---|
| 942 | /* BspViewCellsManager implementation */
|
---|
| 943 | /**********************************************************************/
|
---|
| 944 |
|
---|
[482] | 945 |
|
---|
[574] | 946 | BspViewCellsManager::BspViewCellsManager(BspTree *bspTree):
|
---|
| 947 | ViewCellsManager(), mBspTree(bspTree)
|
---|
[440] | 948 | {
|
---|
[574] | 949 | environment->GetIntValue("BspTree.Construction.samples", mInitialSamples);
|
---|
[587] | 950 | mBspTree->SetViewCellsManager(this);
|
---|
[590] | 951 | mBspTree->mViewCellsTree = mViewCellsTree;
|
---|
[440] | 952 | }
|
---|
| 953 |
|
---|
[462] | 954 |
|
---|
[440] | 955 | bool BspViewCellsManager::ViewCellsConstructed() const
|
---|
| 956 | {
|
---|
| 957 | return mBspTree->GetRoot() != NULL;
|
---|
| 958 | }
|
---|
| 959 |
|
---|
[480] | 960 |
|
---|
[440] | 961 | ViewCell *BspViewCellsManager::GenerateViewCell(Mesh *mesh) const
|
---|
| 962 | {
|
---|
| 963 | return new BspViewCell(mesh);
|
---|
| 964 | }
|
---|
| 965 |
|
---|
[480] | 966 |
|
---|
[574] | 967 | int BspViewCellsManager::ConstructSubdivision(const ObjectContainer &objects,
|
---|
| 968 | const VssRayContainer &rays)
|
---|
[440] | 969 | {
|
---|
[441] | 970 | // if view cells were already constructed
|
---|
[440] | 971 | if (ViewCellsConstructed())
|
---|
| 972 | return 0;
|
---|
| 973 |
|
---|
| 974 | int sampleContributions = 0;
|
---|
[503] | 975 |
|
---|
[469] | 976 | // construct view cells using the collected samples
|
---|
| 977 | RayContainer constructionRays;
|
---|
| 978 | VssRayContainer savedRays;
|
---|
[440] | 979 |
|
---|
[574] | 980 | const int limit = min(mInitialSamples, (int)rays.size());
|
---|
[440] | 981 |
|
---|
[469] | 982 | VssRayContainer::const_iterator it, it_end = rays.end();
|
---|
[448] | 983 |
|
---|
[473] | 984 | const float prop = (float)limit / ((float)rays.size() + Limits::Small);
|
---|
| 985 |
|
---|
[469] | 986 | for (it = rays.begin(); it != it_end; ++ it)
|
---|
| 987 | {
|
---|
[473] | 988 | if (Random(1.0f) < prop)
|
---|
[469] | 989 | constructionRays.push_back(new Ray(*(*it)));
|
---|
| 990 | else
|
---|
| 991 | savedRays.push_back(*it);
|
---|
| 992 | }
|
---|
[440] | 993 |
|
---|
[503] | 994 | if (mViewCells.empty())
|
---|
| 995 | {
|
---|
| 996 | // no view cells loaded
|
---|
[587] | 997 | mBspTree->Construct(objects, constructionRays, &mViewSpaceBox);
|
---|
[469] | 998 | // collect final view cells
|
---|
| 999 | mBspTree->CollectViewCells(mViewCells);
|
---|
[503] | 1000 | }
|
---|
[469] | 1001 | else
|
---|
| 1002 | {
|
---|
| 1003 | mBspTree->Construct(mViewCells);
|
---|
| 1004 | }
|
---|
| 1005 |
|
---|
| 1006 | // destroy rays created only for construction
|
---|
| 1007 | CLEAR_CONTAINER(constructionRays);
|
---|
| 1008 |
|
---|
[440] | 1009 | Debug << mBspTree->GetStatistics() << endl;
|
---|
[503] | 1010 |
|
---|
| 1011 | //EvaluateViewCellsStats();
|
---|
[480] | 1012 | Debug << "\nView cells after construction:\n" << mViewCellsStats << endl;
|
---|
| 1013 |
|
---|
[469] | 1014 | // recast rest of the rays
|
---|
[574] | 1015 | ComputeSampleContributions(savedRays, true, false);
|
---|
[469] | 1016 |
|
---|
[503] | 1017 |
|
---|
[587] | 1018 | ResetViewCells();
|
---|
| 1019 |
|
---|
| 1020 | Debug << "\nView cells after " << (int)savedRays.size()
|
---|
| 1021 | << " samples:\n" << mViewCellsStats << endl;
|
---|
| 1022 |
|
---|
| 1023 | if (1) // export initial view cells
|
---|
| 1024 | {
|
---|
| 1025 | cout << "exporting initial view cells (=leaves) ... ";
|
---|
| 1026 | Exporter *exporter = Exporter::GetExporter("view_cells.x3d");
|
---|
| 1027 |
|
---|
| 1028 | if (exporter)
|
---|
| 1029 | {
|
---|
| 1030 | //exporter->SetWireframe();
|
---|
| 1031 | exporter->SetFilled();
|
---|
| 1032 | ExportViewCellsForViz(exporter);
|
---|
| 1033 |
|
---|
| 1034 | if (0 && mExportRays)
|
---|
| 1035 | exporter->ExportRays(rays, RgbColor(1, 1, 1));
|
---|
| 1036 |
|
---|
| 1037 | if (mExportGeometry)
|
---|
| 1038 | exporter->ExportGeometry(objects);
|
---|
| 1039 |
|
---|
| 1040 | delete exporter;
|
---|
| 1041 | }
|
---|
| 1042 | cout << "finished" << endl;
|
---|
| 1043 | }
|
---|
| 1044 |
|
---|
| 1045 |
|
---|
[440] | 1046 | return sampleContributions;
|
---|
| 1047 | }
|
---|
| 1048 |
|
---|
[503] | 1049 |
|
---|
[480] | 1050 | void BspViewCellsManager::CollectViewCells()
|
---|
| 1051 | {
|
---|
[587] | 1052 | // view cells tree constructed
|
---|
| 1053 | if (!ViewCellsTreeConstructed())
|
---|
[591] | 1054 | {
|
---|
[587] | 1055 | mBspTree->CollectViewCells(mViewCells);
|
---|
| 1056 | }
|
---|
| 1057 | else
|
---|
| 1058 | {
|
---|
| 1059 | // we can use the view cells tree hierarchy to get the right set
|
---|
[591] | 1060 | mViewCellsTree->CollectBestViewCellSet(mViewCells,
|
---|
| 1061 | mNumMergedViewCells);
|
---|
[587] | 1062 | }
|
---|
[480] | 1063 | }
|
---|
[468] | 1064 |
|
---|
[503] | 1065 |
|
---|
[471] | 1066 | float BspViewCellsManager::GetProbability(ViewCell *viewCell)
|
---|
[440] | 1067 | {
|
---|
[471] | 1068 | // compute view cell area as subsititute for probability
|
---|
[591] | 1069 | if (1)
|
---|
| 1070 | return GetVolume(viewCell) / GetViewSpaceBox().GetVolume();
|
---|
| 1071 | else
|
---|
| 1072 | return GetArea(viewCell) / GetAccVcArea();
|
---|
[466] | 1073 | }
|
---|
[440] | 1074 |
|
---|
[503] | 1075 |
|
---|
[587] | 1076 | float BspViewCellsManager::GetRendercost(ViewCell *viewCell,
|
---|
| 1077 | float objRendercost) const
|
---|
[466] | 1078 | {
|
---|
[468] | 1079 | return viewCell->GetPvs().GetSize() * objRendercost;
|
---|
[440] | 1080 | }
|
---|
| 1081 |
|
---|
[468] | 1082 |
|
---|
| 1083 | int BspViewCellsManager::CastLineSegment(const Vector3 &origin,
|
---|
| 1084 | const Vector3 &termination,
|
---|
| 1085 | ViewCellContainer &viewcells)
|
---|
[440] | 1086 | {
|
---|
[468] | 1087 | return mBspTree->CastLineSegment(origin, termination, viewcells);
|
---|
| 1088 | }
|
---|
| 1089 |
|
---|
| 1090 |
|
---|
[503] | 1091 | int BspViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
[468] | 1092 | const VssRayContainer &rays)
|
---|
| 1093 | {
|
---|
[469] | 1094 | if (!ViewCellsConstructed())
|
---|
[441] | 1095 | {
|
---|
| 1096 | Debug << "view cells not constructed" << endl;
|
---|
| 1097 | return 0;
|
---|
| 1098 | }
|
---|
| 1099 |
|
---|
[590] | 1100 |
|
---|
| 1101 | // view cells already finished before post processing step (i.e. because they were loaded)
|
---|
| 1102 | if (mViewCellsFinished)
|
---|
| 1103 | {
|
---|
| 1104 | FinalizeViewCells(true);
|
---|
| 1105 | EvaluateViewCellsStats();
|
---|
| 1106 |
|
---|
| 1107 | return 0;
|
---|
| 1108 | }
|
---|
| 1109 |
|
---|
[440] | 1110 | //-- post processing of bsp view cells
|
---|
| 1111 | int vcSize = 0;
|
---|
| 1112 | int pvsSize = 0;
|
---|
| 1113 |
|
---|
[480] | 1114 | EvaluateViewCellsStats();
|
---|
[485] | 1115 | Debug << "\noriginal view cell partition:\n" << mViewCellsStats << endl;
|
---|
[480] | 1116 |
|
---|
| 1117 | mRenderer->RenderScene();
|
---|
| 1118 | SimulationStatistics ss;
|
---|
| 1119 | dynamic_cast<RenderSimulator *>(mRenderer)->GetStatistics(ss);
|
---|
| 1120 |
|
---|
| 1121 | Debug << ss << endl;
|
---|
| 1122 |
|
---|
[477] | 1123 | if (1) // export view cells
|
---|
[440] | 1124 | {
|
---|
| 1125 | cout << "exporting initial view cells (=leaves) ... ";
|
---|
| 1126 | Exporter *exporter = Exporter::GetExporter("view_cells.x3d");
|
---|
[503] | 1127 |
|
---|
[440] | 1128 | if (exporter)
|
---|
| 1129 | {
|
---|
[477] | 1130 | //exporter->SetWireframe();
|
---|
| 1131 | exporter->SetFilled();
|
---|
[508] | 1132 | ExportViewCellsForViz(exporter);
|
---|
[503] | 1133 |
|
---|
[485] | 1134 | if (mExportGeometry)
|
---|
[440] | 1135 | {
|
---|
[477] | 1136 | Material m;
|
---|
[440] | 1137 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 1138 | exporter->SetForcedMaterial(m);
|
---|
[590] | 1139 |
|
---|
[440] | 1140 | exporter->SetWireframe();
|
---|
| 1141 |
|
---|
| 1142 | exporter->ExportGeometry(objects);
|
---|
| 1143 | }
|
---|
| 1144 |
|
---|
| 1145 | delete exporter;
|
---|
| 1146 | }
|
---|
| 1147 | cout << "finished" << endl;
|
---|
| 1148 | }
|
---|
| 1149 |
|
---|
[591] | 1150 |
|
---|
[503] | 1151 |
|
---|
[591] | 1152 | //-- merge view cells
|
---|
| 1153 | int merged;
|
---|
[587] | 1154 |
|
---|
[591] | 1155 | const bool mergeBspLeaves = false;
|
---|
| 1156 | if (mergeBspLeaves)
|
---|
| 1157 | {
|
---|
| 1158 | cout << "starting post processing using " << mPostProcessSamples << " samples ... ";
|
---|
| 1159 | long startTime = GetTime();
|
---|
| 1160 |
|
---|
| 1161 | VssRayContainer postProcessRays;
|
---|
| 1162 | GetRaySets(rays, mPostProcessSamples, postProcessRays);
|
---|
[440] | 1163 |
|
---|
[591] | 1164 | merged = mViewCellsTree->ConstructMergeTree(rays, objects);
|
---|
[440] | 1165 |
|
---|
[591] | 1166 | //-- stats and visualizations
|
---|
| 1167 | cout << "finished" << endl;
|
---|
| 1168 | cout << "merged " << merged << " view cells in "
|
---|
| 1169 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl;
|
---|
[440] | 1170 |
|
---|
[591] | 1171 | Debug << "Postprocessing: Merged " << merged << " view cells in "
|
---|
| 1172 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs"
|
---|
| 1173 | << "using " << (int)rays.size() << " samples" << endl << endl;
|
---|
| 1174 | }
|
---|
[503] | 1175 |
|
---|
[477] | 1176 | // reset view cells and stats
|
---|
[480] | 1177 | ResetViewCells();
|
---|
[587] | 1178 | FinalizeViewCells(true);
|
---|
| 1179 |
|
---|
[590] | 1180 | // HACK: removes view cells in bsp leaves with active ones
|
---|
| 1181 | if (0)
|
---|
| 1182 | AddCurrentViewCellsToHierarchy();
|
---|
[475] | 1183 |
|
---|
[587] | 1184 | // write view cells to disc
|
---|
| 1185 | if (mExportViewCells)
|
---|
| 1186 | {
|
---|
| 1187 | char buff[100];
|
---|
| 1188 | environment->GetStringValue("ViewCells.filename", buff);
|
---|
| 1189 | string vcFilename(buff);
|
---|
| 1190 |
|
---|
| 1191 | ExportViewCells(buff);
|
---|
| 1192 | }
|
---|
| 1193 |
|
---|
[440] | 1194 | return merged;
|
---|
| 1195 | }
|
---|
| 1196 |
|
---|
[477] | 1197 |
|
---|
| 1198 | BspViewCellsManager::~BspViewCellsManager()
|
---|
| 1199 | {
|
---|
| 1200 | }
|
---|
| 1201 |
|
---|
| 1202 |
|
---|
[440] | 1203 | int BspViewCellsManager::GetType() const
|
---|
| 1204 | {
|
---|
| 1205 | return BSP;
|
---|
| 1206 | }
|
---|
| 1207 |
|
---|
| 1208 |
|
---|
| 1209 | void BspViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
[466] | 1210 | const VssRayContainer &sampleRays)
|
---|
[440] | 1211 | {
|
---|
[469] | 1212 | if (!ViewCellsConstructed())
|
---|
| 1213 | return;
|
---|
[574] | 1214 |
|
---|
[587] | 1215 | //BspLeaf::NewMail();
|
---|
| 1216 | if (1) // export merged view cells
|
---|
[440] | 1217 | {
|
---|
[587] | 1218 |
|
---|
| 1219 | cout << "reseting view cells ... ";
|
---|
| 1220 | ResetViewCells();
|
---|
| 1221 |
|
---|
| 1222 | cout << "finished" << endl;
|
---|
| 1223 |
|
---|
[469] | 1224 | Exporter *exporter = Exporter::GetExporter("merged_view_cells.x3d");
|
---|
[587] | 1225 | Debug << "\nView cells after merge:\n" << mViewCellsStats << endl;
|
---|
[477] | 1226 |
|
---|
[587] | 1227 | cout << "exporting view cells after merge ... ";
|
---|
[557] | 1228 |
|
---|
[469] | 1229 | if (exporter)
|
---|
[440] | 1230 | {
|
---|
[587] | 1231 | if (0)
|
---|
| 1232 | exporter->SetWireframe();
|
---|
| 1233 | else
|
---|
| 1234 | exporter->SetFilled();
|
---|
[590] | 1235 |
|
---|
[508] | 1236 | ExportViewCellsForViz(exporter);
|
---|
[587] | 1237 |
|
---|
| 1238 | if (mExportGeometry)
|
---|
| 1239 | {
|
---|
| 1240 | Material m;
|
---|
| 1241 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 1242 | exporter->SetForcedMaterial(m);
|
---|
| 1243 | exporter->SetFilled();
|
---|
| 1244 |
|
---|
| 1245 | exporter->ExportGeometry(objects);
|
---|
| 1246 | }
|
---|
| 1247 |
|
---|
[469] | 1248 | delete exporter;
|
---|
[440] | 1249 | }
|
---|
[469] | 1250 | cout << "finished" << endl;
|
---|
[503] | 1251 | }
|
---|
[477] | 1252 |
|
---|
[469] | 1253 | //-- visualization of the BSP splits
|
---|
| 1254 | bool exportSplits = false;
|
---|
| 1255 | environment->GetBoolValue("BspTree.Visualization.exportSplits", exportSplits);
|
---|
[503] | 1256 |
|
---|
[469] | 1257 | if (exportSplits)
|
---|
[440] | 1258 | {
|
---|
[469] | 1259 | cout << "exporting splits ... ";
|
---|
[477] | 1260 | ExportSplits(objects);
|
---|
[469] | 1261 | cout << "finished" << endl;
|
---|
[440] | 1262 | }
|
---|
[477] | 1263 |
|
---|
| 1264 | ExportBspPvs(objects);
|
---|
[440] | 1265 | }
|
---|
| 1266 |
|
---|
| 1267 |
|
---|
[503] | 1268 | inline bool vc_gt(ViewCell *a, ViewCell *b)
|
---|
| 1269 | {
|
---|
[440] | 1270 | return a->GetPvs().GetSize() > b->GetPvs().GetSize();
|
---|
| 1271 | }
|
---|
| 1272 |
|
---|
[477] | 1273 |
|
---|
| 1274 | void BspViewCellsManager::ExportSplits(const ObjectContainer &objects)
|
---|
[440] | 1275 | {
|
---|
| 1276 | Exporter *exporter = Exporter::GetExporter("bsp_splits.x3d");
|
---|
| 1277 |
|
---|
[503] | 1278 | if (exporter)
|
---|
| 1279 | {
|
---|
| 1280 | Material m;
|
---|
[440] | 1281 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 1282 | exporter->SetForcedMaterial(m);
|
---|
| 1283 | exporter->SetWireframe();
|
---|
[503] | 1284 |
|
---|
[440] | 1285 | exporter->ExportBspSplits(*mBspTree, true);
|
---|
| 1286 |
|
---|
[482] | 1287 | //NOTE: take forced material, else big scenes cannot be viewed
|
---|
[440] | 1288 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 1289 | exporter->SetForcedMaterial(m);
|
---|
[482] | 1290 | //exporter->ResetForcedMaterial();
|
---|
| 1291 |
|
---|
[440] | 1292 | exporter->SetFilled();
|
---|
[503] | 1293 |
|
---|
[485] | 1294 | if (mExportGeometry)
|
---|
[469] | 1295 | exporter->ExportGeometry(objects);
|
---|
[477] | 1296 |
|
---|
[440] | 1297 | delete exporter;
|
---|
| 1298 | }
|
---|
| 1299 | }
|
---|
| 1300 |
|
---|
[477] | 1301 |
|
---|
| 1302 | void BspViewCellsManager::ExportBspPvs(const ObjectContainer &objects)
|
---|
[440] | 1303 | {
|
---|
[477] | 1304 | const int leafOut = 10;
|
---|
[503] | 1305 |
|
---|
[477] | 1306 | ViewCell::NewMail();
|
---|
[440] | 1307 |
|
---|
[477] | 1308 | //-- some rays for output
|
---|
| 1309 | const int raysOut = min((int)mBspRays.size(), mVisualizationSamples);
|
---|
[503] | 1310 |
|
---|
[477] | 1311 | cout << "visualization using " << mVisualizationSamples << " samples" << endl;
|
---|
| 1312 | Debug << "\nOutput view cells: " << endl;
|
---|
[503] | 1313 |
|
---|
[478] | 1314 | // sort view cells to get largest view cells
|
---|
[587] | 1315 | if (0)
|
---|
| 1316 | stable_sort(mViewCells.begin(), mViewCells.end(), vc_gt);
|
---|
| 1317 |
|
---|
[503] | 1318 | int limit = min(leafOut, (int)mViewCells.size());
|
---|
| 1319 |
|
---|
[478] | 1320 | for (int i = 0; i < limit; ++ i)
|
---|
[477] | 1321 | {
|
---|
[478] | 1322 | cout << "creating output for view cell " << i << " ... ";
|
---|
| 1323 | VssRayContainer vcRays;
|
---|
| 1324 | Intersectable::NewMail();
|
---|
[582] | 1325 | ViewCell *vc;
|
---|
| 1326 |
|
---|
| 1327 | if (0)
|
---|
| 1328 | vc = mViewCells[i];
|
---|
| 1329 | else
|
---|
| 1330 | vc = mViewCells[Random((int)mViewCells.size())];
|
---|
| 1331 |
|
---|
[478] | 1332 | cout << "creating output for view cell " << i << " ... ";
|
---|
[469] | 1333 |
|
---|
[587] | 1334 | if(0)
|
---|
[477] | 1335 | {
|
---|
[587] | 1336 | // check whether we can add the current ray to the output rays
|
---|
| 1337 | for (int k = 0; k < raysOut; ++ k)
|
---|
[477] | 1338 | {
|
---|
[587] | 1339 | BspRay *ray = mBspRays[k];
|
---|
| 1340 | for (int j = 0; j < (int)ray->intersections.size(); ++ j)
|
---|
| 1341 | {
|
---|
| 1342 | BspLeaf *leaf = ray->intersections[j].mLeaf;
|
---|
| 1343 | if (vc == leaf->GetViewCell())
|
---|
| 1344 | vcRays.push_back(ray->vssRay);
|
---|
| 1345 | }
|
---|
[477] | 1346 | }
|
---|
| 1347 | }
|
---|
[587] | 1348 |
|
---|
[478] | 1349 | //bspLeaves[j]->Mail();
|
---|
| 1350 | char s[64]; sprintf(s, "bsp-pvs%04d.x3d", i);
|
---|
[477] | 1351 |
|
---|
[478] | 1352 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
[503] | 1353 |
|
---|
[478] | 1354 | exporter->SetWireframe();
|
---|
[477] | 1355 |
|
---|
[478] | 1356 | Material m;//= RandomMaterial();
|
---|
| 1357 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 1358 | exporter->SetForcedMaterial(m);
|
---|
[477] | 1359 |
|
---|
[587] | 1360 | ExportViewCellGeometry(exporter, vc);
|
---|
| 1361 |
|
---|
[503] | 1362 |
|
---|
[584] | 1363 | Debug << i << ": pvs size=" << (int)mViewCellsTree->GetPvsSize(vc)
|
---|
[580] | 1364 | << ", piercing rays=" << (int)vcRays.size() << endl;
|
---|
| 1365 | // << ", leaves=" << (int)vc->mLeaves.size() << endl;
|
---|
[477] | 1366 |
|
---|
[503] | 1367 |
|
---|
[478] | 1368 | // export rays piercing this view cell
|
---|
| 1369 | exporter->ExportRays(vcRays, RgbColor(0, 1, 0));
|
---|
[580] | 1370 |
|
---|
[478] | 1371 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 1372 | exporter->SetForcedMaterial(m);
|
---|
[440] | 1373 |
|
---|
[478] | 1374 | ObjectPvsMap::const_iterator it,
|
---|
| 1375 | it_end = vc->GetPvs().mEntries.end();
|
---|
[440] | 1376 |
|
---|
[478] | 1377 | exporter->SetFilled();
|
---|
[469] | 1378 |
|
---|
[478] | 1379 | // output PVS of view cell
|
---|
[503] | 1380 | for (it = vc->GetPvs().mEntries.begin(); it != it_end; ++ it)
|
---|
[478] | 1381 | {
|
---|
| 1382 | Intersectable *intersect = (*it).first;
|
---|
[469] | 1383 |
|
---|
[478] | 1384 | if (!intersect->Mailed())
|
---|
| 1385 | {
|
---|
| 1386 | Material m = RandomMaterial();
|
---|
| 1387 | exporter->SetForcedMaterial(m);
|
---|
| 1388 |
|
---|
| 1389 | exporter->ExportIntersectable(intersect);
|
---|
| 1390 | intersect->Mail();
|
---|
[503] | 1391 | }
|
---|
[477] | 1392 | }
|
---|
[503] | 1393 |
|
---|
[478] | 1394 | DEL_PTR(exporter);
|
---|
| 1395 | cout << "finished" << endl;
|
---|
[477] | 1396 | }
|
---|
| 1397 |
|
---|
| 1398 | Debug << endl;
|
---|
[440] | 1399 | }
|
---|
| 1400 |
|
---|
[441] | 1401 |
|
---|
[503] | 1402 | void BspViewCellsManager::ExportColor(Exporter *exporter,
|
---|
[482] | 1403 | ViewCell *vc) const
|
---|
| 1404 | {
|
---|
| 1405 | if (mColorCode == 0) // Random color
|
---|
| 1406 | {
|
---|
| 1407 | exporter->ResetForcedMaterial();
|
---|
| 1408 | return;
|
---|
| 1409 | }
|
---|
| 1410 |
|
---|
| 1411 | float importance = 0;
|
---|
| 1412 |
|
---|
| 1413 | switch (mColorCode)
|
---|
| 1414 | {
|
---|
| 1415 | case 1: // pvs
|
---|
| 1416 | {
|
---|
[503] | 1417 | importance = (float)vc->GetPvs().GetSize() /
|
---|
[482] | 1418 | (float)mViewCellsStats.maxPvs;
|
---|
| 1419 | }
|
---|
| 1420 | break;
|
---|
| 1421 | case 2: // merges
|
---|
| 1422 | {
|
---|
[580] | 1423 | importance = (float)mViewCellsTree->GetSize(vc) /
|
---|
[482] | 1424 | (float)mViewCellsStats.maxLeaves;
|
---|
| 1425 | }
|
---|
| 1426 | break;
|
---|
| 1427 | case 3: // merge tree differene
|
---|
| 1428 | {
|
---|
| 1429 | // TODO
|
---|
| 1430 | }
|
---|
| 1431 | break;
|
---|
| 1432 | default:
|
---|
| 1433 | break;
|
---|
| 1434 | }
|
---|
| 1435 |
|
---|
| 1436 | Material m;
|
---|
| 1437 | m.mDiffuseColor.b = 1.0f;
|
---|
| 1438 | m.mDiffuseColor.r = importance;
|
---|
| 1439 | m.mDiffuseColor.g = 1.0f - m.mDiffuseColor.r;
|
---|
[503] | 1440 |
|
---|
[482] | 1441 | exporter->SetForcedMaterial(m);
|
---|
| 1442 | }
|
---|
| 1443 |
|
---|
[587] | 1444 |
|
---|
[580] | 1445 | void BspViewCellsManager::ExportViewCellGeometry(Exporter *exporter,
|
---|
[591] | 1446 | ViewCell *vc,
|
---|
| 1447 | const Plane3 *cuttingPlane) const
|
---|
[482] | 1448 | {
|
---|
| 1449 | if (vc->GetMesh())
|
---|
| 1450 | {
|
---|
[587] | 1451 | exporter->ExportMesh(vc->GetMesh());
|
---|
[591] | 1452 |
|
---|
[587] | 1453 | return;
|
---|
[482] | 1454 | }
|
---|
[587] | 1455 |
|
---|
| 1456 | BspNodeGeometry geom;
|
---|
| 1457 | mBspTree->ConstructGeometry(vc, geom);
|
---|
[591] | 1458 |
|
---|
| 1459 |
|
---|
| 1460 | if (cuttingPlane)
|
---|
| 1461 | {
|
---|
| 1462 | BspNodeGeometry front;
|
---|
| 1463 | BspNodeGeometry back;
|
---|
| 1464 |
|
---|
| 1465 | geom.SplitGeometry(front,
|
---|
| 1466 | back,
|
---|
| 1467 | *cuttingPlane,
|
---|
| 1468 | mViewSpaceBox,
|
---|
| 1469 | 0.005);
|
---|
| 1470 |
|
---|
| 1471 | exporter->ExportPolygons(back.mPolys);
|
---|
| 1472 | }
|
---|
| 1473 | else
|
---|
| 1474 | {
|
---|
| 1475 | exporter->ExportPolygons(geom.mPolys);
|
---|
| 1476 | }
|
---|
[482] | 1477 | }
|
---|
| 1478 |
|
---|
[503] | 1479 |
|
---|
| 1480 | void BspViewCellsManager::CreateMesh(ViewCell *vc)
|
---|
| 1481 | {
|
---|
[587] | 1482 | if (vc->GetMesh())
|
---|
| 1483 | delete vc->GetMesh();
|
---|
| 1484 |
|
---|
| 1485 | BspNodeGeometry geom;
|
---|
| 1486 |
|
---|
| 1487 | mBspTree->ConstructGeometry(vc, geom);
|
---|
| 1488 |
|
---|
| 1489 | Mesh *mesh = new Mesh();
|
---|
| 1490 | geom.AddToMesh(*mesh);
|
---|
| 1491 | vc->SetMesh(mesh);
|
---|
| 1492 | mMeshContainer.push_back(mesh);
|
---|
[503] | 1493 | }
|
---|
| 1494 |
|
---|
[551] | 1495 |
|
---|
[587] | 1496 | void BspViewCellsManager::Finalize(ViewCell *viewCell,
|
---|
| 1497 | const bool createMesh)
|
---|
[502] | 1498 | {
|
---|
[587] | 1499 | CreateMesh(viewCell);
|
---|
[572] | 1500 |
|
---|
[587] | 1501 | float area = 0;
|
---|
| 1502 | float volume = 0;
|
---|
[572] | 1503 |
|
---|
[587] | 1504 | ViewCellContainer leaves;
|
---|
| 1505 | mViewCellsTree->CollectLeaves(viewCell, leaves);
|
---|
| 1506 |
|
---|
| 1507 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 1508 |
|
---|
| 1509 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 1510 | {
|
---|
| 1511 | BspNodeGeometry geom;
|
---|
| 1512 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(*it)->mLeaf;
|
---|
| 1513 | mBspTree->ConstructGeometry(leaf, geom);
|
---|
| 1514 |
|
---|
| 1515 | area += geom.GetArea();
|
---|
| 1516 | volume += geom.GetVolume();
|
---|
| 1517 | }
|
---|
| 1518 |
|
---|
| 1519 | viewCell->SetVolume(volume);
|
---|
| 1520 | viewCell->SetArea(area);
|
---|
[502] | 1521 | }
|
---|
| 1522 |
|
---|
[580] | 1523 |
|
---|
[587] | 1524 | ViewCell *BspViewCellsManager::GetViewCell(const Vector3 &point) const
|
---|
[580] | 1525 | {
|
---|
[587] | 1526 | if (!mBspTree)
|
---|
| 1527 | return NULL;
|
---|
| 1528 |
|
---|
| 1529 | if (!mViewSpaceBox.IsInside(point))
|
---|
| 1530 | return NULL;
|
---|
| 1531 |
|
---|
| 1532 | return mBspTree->GetViewCell(point);
|
---|
[580] | 1533 | }
|
---|
| 1534 |
|
---|
| 1535 |
|
---|
[587] | 1536 | void BspViewCellsManager::CollectMergeCandidates(const VssRayContainer &rays,
|
---|
| 1537 | vector<MergeCandidate> &candidates)
|
---|
| 1538 | {
|
---|
| 1539 | cout << "collecting merge candidates ... " << endl;
|
---|
| 1540 |
|
---|
| 1541 | if (mUseRaysForMerge)
|
---|
| 1542 | {
|
---|
| 1543 | mBspTree->CollectMergeCandidates(rays, candidates);
|
---|
| 1544 | }
|
---|
| 1545 | else
|
---|
| 1546 | {
|
---|
| 1547 | vector<BspLeaf *> leaves;
|
---|
| 1548 | mBspTree->CollectLeaves(leaves);
|
---|
| 1549 | mBspTree->CollectMergeCandidates(leaves, candidates);
|
---|
| 1550 | }
|
---|
| 1551 |
|
---|
| 1552 | cout << "fininshed collecting candidates" << endl;
|
---|
| 1553 | }
|
---|
| 1554 |
|
---|
| 1555 |
|
---|
[440] | 1556 |
|
---|
[590] | 1557 | bool BspViewCellsManager::ExportViewCells(const string filename)
|
---|
| 1558 | {
|
---|
| 1559 | cout << "exporting view cells to xml ... ";
|
---|
| 1560 | std::ofstream stream;
|
---|
[503] | 1561 |
|
---|
[590] | 1562 | // for output we need unique ids for each view cell
|
---|
| 1563 | CreateUniqueViewCellIds();
|
---|
[503] | 1564 |
|
---|
[590] | 1565 |
|
---|
| 1566 | stream.open(filename.c_str());
|
---|
| 1567 | stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"<<endl;
|
---|
| 1568 | stream << "<Visibility_Solution>" << endl;
|
---|
| 1569 |
|
---|
| 1570 | //-- the view space bounding box
|
---|
| 1571 | stream << "<ViewSpaceBox"
|
---|
| 1572 | << " min=\"" << mViewSpaceBox.Min().x << " " << mViewSpaceBox.Min().y << " " << mViewSpaceBox.Min().z << "\""
|
---|
| 1573 | << " max=\"" << mViewSpaceBox.Max().x << " " << mViewSpaceBox.Max().y << " " << mViewSpaceBox.Max().z << "\" />" << endl;
|
---|
| 1574 |
|
---|
| 1575 | //-- the type of the view cells hierarchy
|
---|
| 1576 | //stream << "<Hierarchy name=\"bspTree\" />" << endl;
|
---|
| 1577 | stream << "<Hierarchy name=\"vspBspTree\" />" << endl; // write vsp bsp here because can use same tree and is bug free
|
---|
| 1578 | //-- load the view cells itself, i.e., the ids and the pvs
|
---|
| 1579 | stream << "<ViewCells>" << endl;
|
---|
| 1580 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 1581 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 1582 | ExportViewCell(*it, stream);
|
---|
| 1583 |
|
---|
| 1584 | stream << "</ViewCells>" << endl;
|
---|
| 1585 |
|
---|
| 1586 | //-- load the hierarchy
|
---|
| 1587 | stream << "<Hierarchy>" << endl;
|
---|
| 1588 | mBspTree->Export(stream);
|
---|
| 1589 | stream << endl << "</Hierarchy>" << endl;
|
---|
| 1590 |
|
---|
| 1591 | stream << "</Visibility_Solution>" << endl;
|
---|
| 1592 | stream.close();
|
---|
| 1593 |
|
---|
| 1594 | cout << "finished" << endl;
|
---|
| 1595 |
|
---|
| 1596 | return true;
|
---|
| 1597 | }
|
---|
| 1598 |
|
---|
| 1599 |
|
---|
| 1600 | void BspViewCellsManager::AddCurrentViewCellsToHierarchy()
|
---|
| 1601 | {
|
---|
| 1602 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 1603 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 1604 | {
|
---|
| 1605 | ViewCell *vc = *it;
|
---|
| 1606 | ViewCellContainer leaves;
|
---|
| 1607 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 1608 |
|
---|
| 1609 | ViewCellContainer::const_iterator lit, lit_end = leaves.end();
|
---|
| 1610 |
|
---|
| 1611 | for (lit = leaves.begin(); lit != lit_end; ++ lit)
|
---|
| 1612 | {
|
---|
| 1613 | BspViewCell *bspVc = dynamic_cast<BspViewCell *>(*lit);
|
---|
| 1614 | bspVc->mLeaf->SetViewCell(vc);
|
---|
| 1615 | }
|
---|
| 1616 | }
|
---|
| 1617 | }
|
---|
| 1618 |
|
---|
| 1619 | /************************************************************************/
|
---|
| 1620 | /* KdViewCellsManager implementation */
|
---|
| 1621 | /************************************************************************/
|
---|
| 1622 |
|
---|
| 1623 |
|
---|
| 1624 |
|
---|
[440] | 1625 | KdViewCellsManager::KdViewCellsManager(KdTree *kdTree):
|
---|
[469] | 1626 | ViewCellsManager(), mKdTree(kdTree), mKdPvsDepth(100)
|
---|
[440] | 1627 | {
|
---|
| 1628 | }
|
---|
| 1629 |
|
---|
[471] | 1630 | float KdViewCellsManager::GetProbability(ViewCell *viewCell)
|
---|
[468] | 1631 | {
|
---|
[479] | 1632 | // compute view cell area / volume as subsititute for probability
|
---|
[477] | 1633 | #if 0
|
---|
[519] | 1634 | return GetArea(viewCell) / GetViewSpaceBox().SurfaceArea();
|
---|
[479] | 1635 | #endif
|
---|
| 1636 | #if 1
|
---|
[477] | 1637 | return GetArea(viewCell) / GetAccVcArea();
|
---|
| 1638 | #endif
|
---|
[479] | 1639 | #if 0
|
---|
[519] | 1640 | return GetVolume(viewCell) / GetViewSpaceBox().GetVolume();
|
---|
[479] | 1641 | #endif
|
---|
[468] | 1642 | }
|
---|
| 1643 |
|
---|
| 1644 |
|
---|
[469] | 1645 | float KdViewCellsManager::GetRendercost(ViewCell *viewCell, float objRendercost) const
|
---|
[468] | 1646 | {
|
---|
[469] | 1647 | return viewCell->GetPvs().GetSize() * objRendercost;
|
---|
[468] | 1648 | }
|
---|
| 1649 |
|
---|
[479] | 1650 |
|
---|
[480] | 1651 | void KdViewCellsManager::CollectViewCells()
|
---|
| 1652 | {
|
---|
| 1653 | //mKdTree->CollectViewCells(mViewCells); TODO
|
---|
| 1654 | }
|
---|
[479] | 1655 |
|
---|
[519] | 1656 |
|
---|
[574] | 1657 | int KdViewCellsManager::ConstructSubdivision(const ObjectContainer &objects,
|
---|
[487] | 1658 | const VssRayContainer &rays)
|
---|
[440] | 1659 | {
|
---|
[441] | 1660 | // if view cells already constructed
|
---|
[440] | 1661 | if (ViewCellsConstructed())
|
---|
| 1662 | return 0;
|
---|
[441] | 1663 |
|
---|
[440] | 1664 | mKdTree->Construct();
|
---|
| 1665 |
|
---|
[480] | 1666 | mTotalAreaValid = false;
|
---|
[469] | 1667 | // create the view cells
|
---|
| 1668 | mKdTree->CreateAndCollectViewCells(mViewCells);
|
---|
[503] | 1669 |
|
---|
[480] | 1670 | // cast rays
|
---|
[574] | 1671 | ComputeSampleContributions(rays, true, false);
|
---|
[480] | 1672 |
|
---|
[479] | 1673 | EvaluateViewCellsStats();
|
---|
[480] | 1674 | Debug << "\nView cells after construction:\n" << mViewCellsStats << endl;
|
---|
[469] | 1675 |
|
---|
[440] | 1676 | return 0;
|
---|
| 1677 | }
|
---|
| 1678 |
|
---|
[587] | 1679 |
|
---|
[440] | 1680 | bool KdViewCellsManager::ViewCellsConstructed() const
|
---|
| 1681 | {
|
---|
| 1682 | return mKdTree->GetRoot() != NULL;
|
---|
| 1683 | }
|
---|
| 1684 |
|
---|
[503] | 1685 | int KdViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
[466] | 1686 | const VssRayContainer &rays)
|
---|
[440] | 1687 | {
|
---|
| 1688 | return 0;
|
---|
| 1689 | }
|
---|
| 1690 |
|
---|
| 1691 | void KdViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
[466] | 1692 | const VssRayContainer &sampleRays)
|
---|
[440] | 1693 | {
|
---|
[441] | 1694 | if (!ViewCellsConstructed())
|
---|
| 1695 | return;
|
---|
| 1696 |
|
---|
[469] | 1697 | // using view cells instead of the kd PVS of objects
|
---|
| 1698 | const bool useViewCells = true;
|
---|
| 1699 | bool exportRays = false;
|
---|
[440] | 1700 |
|
---|
| 1701 | int limit = min(mVisualizationSamples, (int)sampleRays.size());
|
---|
[469] | 1702 | const int pvsOut = min((int)objects.size(), 10);
|
---|
[466] | 1703 | VssRayContainer *rays = new VssRayContainer[pvsOut];
|
---|
[440] | 1704 |
|
---|
[469] | 1705 | if (useViewCells)
|
---|
[440] | 1706 | {
|
---|
[469] | 1707 | const int leafOut = 10;
|
---|
[503] | 1708 |
|
---|
[469] | 1709 | ViewCell::NewMail();
|
---|
[503] | 1710 |
|
---|
[469] | 1711 | //-- some rays for output
|
---|
| 1712 | const int raysOut = min((int)sampleRays.size(), mVisualizationSamples);
|
---|
| 1713 | Debug << "visualization using " << raysOut << " samples" << endl;
|
---|
| 1714 |
|
---|
| 1715 | //-- some random view cells and rays for output
|
---|
| 1716 | vector<KdLeaf *> kdLeaves;
|
---|
[503] | 1717 |
|
---|
[469] | 1718 | for (int i = 0; i < leafOut; ++ i)
|
---|
| 1719 | kdLeaves.push_back(dynamic_cast<KdLeaf *>(mKdTree->GetRandomLeaf()));
|
---|
[503] | 1720 |
|
---|
[469] | 1721 | for (int i = 0; i < kdLeaves.size(); ++ i)
|
---|
[440] | 1722 | {
|
---|
[469] | 1723 | KdLeaf *leaf = kdLeaves[i];
|
---|
| 1724 | RayContainer vcRays;
|
---|
[503] | 1725 |
|
---|
[469] | 1726 | cout << "creating output for view cell " << i << " ... ";
|
---|
[503] | 1727 | #if 0
|
---|
[469] | 1728 | // check whether we can add the current ray to the output rays
|
---|
[503] | 1729 | for (int k = 0; k < raysOut; ++ k)
|
---|
[440] | 1730 | {
|
---|
[469] | 1731 | Ray *ray = sampleRays[k];
|
---|
[503] | 1732 |
|
---|
[469] | 1733 | for (int j = 0; j < (int)ray->bspIntersections.size(); ++ j)
|
---|
| 1734 | {
|
---|
| 1735 | BspLeaf *leaf2 = ray->bspIntersections[j].mLeaf;
|
---|
[503] | 1736 |
|
---|
| 1737 | if (leaf->GetViewCell() == leaf2->GetViewCell())
|
---|
[469] | 1738 | {
|
---|
| 1739 | vcRays.push_back(ray);
|
---|
| 1740 | }
|
---|
| 1741 | }
|
---|
[479] | 1742 | }
|
---|
[503] | 1743 | #endif
|
---|
[469] | 1744 | Intersectable::NewMail();
|
---|
[503] | 1745 |
|
---|
[469] | 1746 | ViewCell *vc = leaf->mViewCell;
|
---|
[503] | 1747 |
|
---|
[469] | 1748 | //bspLeaves[j]->Mail();
|
---|
| 1749 | char s[64]; sprintf(s, "kd-pvs%04d.x3d", i);
|
---|
[503] | 1750 |
|
---|
[469] | 1751 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
| 1752 | exporter->SetFilled();
|
---|
| 1753 |
|
---|
| 1754 | exporter->SetWireframe();
|
---|
| 1755 | //exporter->SetFilled();
|
---|
[503] | 1756 |
|
---|
[469] | 1757 | Material m;//= RandomMaterial();
|
---|
| 1758 | m.mDiffuseColor = RgbColor(1, 1, 0);
|
---|
| 1759 | exporter->SetForcedMaterial(m);
|
---|
[503] | 1760 |
|
---|
[469] | 1761 | AxisAlignedBox3 box = mKdTree->GetBox(leaf);
|
---|
| 1762 | exporter->ExportBox(box);
|
---|
| 1763 |
|
---|
[503] | 1764 | Debug << i << ": pvs size=" << (int)vc->GetPvs().GetSize()
|
---|
[469] | 1765 | << ", piercing rays=" << (int)vcRays.size() << endl;
|
---|
[503] | 1766 |
|
---|
[469] | 1767 | // export rays piercing this view cell
|
---|
[503] | 1768 | exporter->ExportRays(vcRays, 1000, RgbColor(0, 1, 0));
|
---|
| 1769 |
|
---|
[469] | 1770 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 1771 | exporter->SetForcedMaterial(m);
|
---|
[503] | 1772 |
|
---|
[469] | 1773 | // exporter->SetWireframe();
|
---|
| 1774 | exporter->SetFilled();
|
---|
[503] | 1775 |
|
---|
[469] | 1776 | ObjectPvsMap::iterator it, it_end = vc->GetPvs().mEntries.end();
|
---|
| 1777 | // output PVS of view cell
|
---|
[503] | 1778 | for (it = vc->GetPvs().mEntries.begin(); it != it_end; ++ it)
|
---|
[469] | 1779 | {
|
---|
| 1780 | Intersectable *intersect = (*it).first;
|
---|
| 1781 | if (!intersect->Mailed())
|
---|
| 1782 | {
|
---|
| 1783 | exporter->ExportIntersectable(intersect);
|
---|
| 1784 | intersect->Mail();
|
---|
[503] | 1785 | }
|
---|
[440] | 1786 | }
|
---|
[503] | 1787 |
|
---|
[469] | 1788 | DEL_PTR(exporter);
|
---|
| 1789 | cout << "finished" << endl;
|
---|
[440] | 1790 | }
|
---|
[469] | 1791 |
|
---|
| 1792 | DEL_PTR(rays);
|
---|
[440] | 1793 | }
|
---|
[469] | 1794 | else // using kd PVS of objects
|
---|
| 1795 | {
|
---|
| 1796 | for (int i = 0; i < limit; ++ i)
|
---|
| 1797 | {
|
---|
| 1798 | VssRay *ray = sampleRays[i];
|
---|
[503] | 1799 |
|
---|
[469] | 1800 | // check whether we can add this to the rays
|
---|
[503] | 1801 | for (int j = 0; j < pvsOut; j++)
|
---|
[469] | 1802 | {
|
---|
| 1803 | if (objects[j] == ray->mTerminationObject)
|
---|
| 1804 | {
|
---|
| 1805 | rays[j].push_back(ray);
|
---|
| 1806 | }
|
---|
| 1807 | }
|
---|
| 1808 | }
|
---|
[440] | 1809 |
|
---|
[503] | 1810 | if (exportRays)
|
---|
[469] | 1811 | {
|
---|
| 1812 | Exporter *exporter = NULL;
|
---|
| 1813 | exporter = Exporter::GetExporter("sample-rays.x3d");
|
---|
| 1814 | exporter->SetWireframe();
|
---|
| 1815 | exporter->ExportKdTree(*mKdTree);
|
---|
[503] | 1816 |
|
---|
| 1817 | for (i=0; i < pvsOut; i++)
|
---|
[469] | 1818 | exporter->ExportRays(rays[i], RgbColor(1, 0, 0));
|
---|
| 1819 |
|
---|
| 1820 | exporter->SetFilled();
|
---|
[503] | 1821 |
|
---|
[469] | 1822 | delete exporter;
|
---|
| 1823 | }
|
---|
[440] | 1824 |
|
---|
[503] | 1825 | for (int k=0; k < pvsOut; k++)
|
---|
[469] | 1826 | {
|
---|
| 1827 | Intersectable *object = objects[k];
|
---|
[503] | 1828 | char s[64];
|
---|
[469] | 1829 | sprintf(s, "sample-pvs%04d.x3d", k);
|
---|
[440] | 1830 |
|
---|
[469] | 1831 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
| 1832 | exporter->SetWireframe();
|
---|
[503] | 1833 |
|
---|
[469] | 1834 | KdPvsMap::iterator i = object->mKdPvs.mEntries.begin();
|
---|
| 1835 | Intersectable::NewMail();
|
---|
[503] | 1836 |
|
---|
[469] | 1837 | // avoid adding the object to the list
|
---|
| 1838 | object->Mail();
|
---|
| 1839 | ObjectContainer visibleObjects;
|
---|
[503] | 1840 |
|
---|
| 1841 | for (; i != object->mKdPvs.mEntries.end(); i++)
|
---|
[469] | 1842 | {
|
---|
| 1843 | KdNode *node = (*i).first;
|
---|
| 1844 | exporter->ExportBox(mKdTree->GetBox(node));
|
---|
[503] | 1845 |
|
---|
[469] | 1846 | mKdTree->CollectObjects(node, visibleObjects);
|
---|
| 1847 | }
|
---|
[503] | 1848 |
|
---|
[469] | 1849 | exporter->ExportRays(rays[k], RgbColor(0, 1, 0));
|
---|
| 1850 | exporter->SetFilled();
|
---|
[503] | 1851 |
|
---|
[469] | 1852 | for (int j = 0; j < visibleObjects.size(); j++)
|
---|
| 1853 | exporter->ExportIntersectable(visibleObjects[j]);
|
---|
[503] | 1854 |
|
---|
[469] | 1855 | Material m;
|
---|
| 1856 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 1857 | exporter->SetForcedMaterial(m);
|
---|
| 1858 | exporter->ExportIntersectable(object);
|
---|
[503] | 1859 |
|
---|
[469] | 1860 | delete exporter;
|
---|
[440] | 1861 | }
|
---|
[503] | 1862 | }
|
---|
[440] | 1863 | }
|
---|
| 1864 |
|
---|
[469] | 1865 |
|
---|
[482] | 1866 | void KdViewCellsManager::ExportColor(Exporter *exporter,
|
---|
| 1867 | ViewCell *vc) const
|
---|
| 1868 | {
|
---|
| 1869 | // TODO
|
---|
| 1870 | }
|
---|
| 1871 |
|
---|
[580] | 1872 | ViewCell *KdViewCellsManager::GenerateViewCell(Mesh *mesh) const
|
---|
| 1873 | {
|
---|
| 1874 | return new KdViewCell(mesh);
|
---|
| 1875 | }
|
---|
[482] | 1876 |
|
---|
[580] | 1877 |
|
---|
| 1878 | void KdViewCellsManager::ExportViewCellGeometry(Exporter *exporter,
|
---|
[591] | 1879 | ViewCell *vc,
|
---|
| 1880 | const Plane3 *cuttingPlane) const
|
---|
[482] | 1881 | {
|
---|
[580] | 1882 | ViewCellContainer leaves;
|
---|
[485] | 1883 |
|
---|
[580] | 1884 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 1885 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 1886 |
|
---|
| 1887 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 1888 | {
|
---|
| 1889 | KdViewCell *kdVc = dynamic_cast<KdViewCell *>(*it);
|
---|
| 1890 |
|
---|
| 1891 | exporter->ExportBox(mKdTree->GetBox(kdVc->mLeaf));
|
---|
| 1892 | }
|
---|
[482] | 1893 | }
|
---|
| 1894 |
|
---|
| 1895 |
|
---|
[440] | 1896 | int KdViewCellsManager::GetType() const
|
---|
| 1897 | {
|
---|
| 1898 | return ViewCellsManager::KD;
|
---|
| 1899 | }
|
---|
| 1900 |
|
---|
| 1901 |
|
---|
[441] | 1902 |
|
---|
[440] | 1903 | KdNode *KdViewCellsManager::GetNodeForPvs(KdLeaf *leaf)
|
---|
| 1904 | {
|
---|
| 1905 | KdNode *node = leaf;
|
---|
| 1906 |
|
---|
| 1907 | while (node->mParent && node->mDepth > mKdPvsDepth)
|
---|
| 1908 | node = node->mParent;
|
---|
| 1909 | return node;
|
---|
| 1910 | }
|
---|
| 1911 |
|
---|
[469] | 1912 | int KdViewCellsManager::CastLineSegment(const Vector3 &origin,
|
---|
| 1913 | const Vector3 &termination,
|
---|
| 1914 | ViewCellContainer &viewcells)
|
---|
[466] | 1915 | {
|
---|
[469] | 1916 | return mKdTree->CastLineSegment(origin, termination, viewcells);
|
---|
[466] | 1917 | }
|
---|
| 1918 |
|
---|
[469] | 1919 |
|
---|
[503] | 1920 | void KdViewCellsManager::CreateMesh(ViewCell *vc)
|
---|
| 1921 | {
|
---|
[551] | 1922 | // TODO
|
---|
[503] | 1923 | }
|
---|
| 1924 |
|
---|
[580] | 1925 |
|
---|
| 1926 |
|
---|
| 1927 | void KdViewCellsManager::CollectMergeCandidates(const VssRayContainer &rays,
|
---|
| 1928 | vector<MergeCandidate> &candidates)
|
---|
| 1929 | {
|
---|
| 1930 | // TODO
|
---|
| 1931 | }
|
---|
| 1932 |
|
---|
| 1933 |
|
---|
[440] | 1934 | /**********************************************************************/
|
---|
| 1935 | /* VspKdViewCellsManager implementation */
|
---|
| 1936 | /**********************************************************************/
|
---|
| 1937 |
|
---|
[482] | 1938 |
|
---|
[574] | 1939 | VspKdViewCellsManager::VspKdViewCellsManager(VspKdTree *vspKdTree):
|
---|
| 1940 | ViewCellsManager(), mVspKdTree(vspKdTree)
|
---|
[440] | 1941 | {
|
---|
[574] | 1942 | environment->GetIntValue("VspKdTree.Construction.samples", mInitialSamples);
|
---|
[468] | 1943 | mVspKdTree->SetViewCellsManager(this);
|
---|
| 1944 | }
|
---|
[462] | 1945 |
|
---|
[471] | 1946 | float VspKdViewCellsManager::GetProbability(ViewCell *viewCell)
|
---|
[468] | 1947 | {
|
---|
| 1948 | // volume or area substitutes for view point probability
|
---|
[480] | 1949 | #if 0
|
---|
[519] | 1950 | return GetArea(viewCell) / GetViewSpaceBox().SurfaceArea();
|
---|
[480] | 1951 | #else
|
---|
| 1952 | return GetArea(viewCell) / GetAccVcArea();
|
---|
| 1953 | #endif
|
---|
[440] | 1954 | }
|
---|
| 1955 |
|
---|
[462] | 1956 |
|
---|
[469] | 1957 | float VspKdViewCellsManager::GetRendercost(ViewCell *viewCell, float objRendercost) const
|
---|
[468] | 1958 | {
|
---|
[469] | 1959 | return viewCell->GetPvs().GetSize() * objRendercost;
|
---|
[468] | 1960 | }
|
---|
| 1961 |
|
---|
[503] | 1962 |
|
---|
[480] | 1963 | void VspKdViewCellsManager::CollectViewCells()
|
---|
| 1964 | {
|
---|
| 1965 | mVspKdTree->CollectViewCells(mViewCells);
|
---|
| 1966 | }
|
---|
[462] | 1967 |
|
---|
[570] | 1968 |
|
---|
[574] | 1969 | int VspKdViewCellsManager::ConstructSubdivision(const ObjectContainer &objects,
|
---|
| 1970 | const VssRayContainer &rays)
|
---|
[440] | 1971 | {
|
---|
[441] | 1972 | // if view cells already constructed
|
---|
[440] | 1973 | if (ViewCellsConstructed())
|
---|
| 1974 | return 0;
|
---|
[503] | 1975 |
|
---|
[469] | 1976 | VssRayContainer constructionRays;
|
---|
| 1977 | VssRayContainer savedRays;
|
---|
[440] | 1978 |
|
---|
[503] | 1979 | GetRaySets(rays,
|
---|
[574] | 1980 | mInitialSamples,
|
---|
[503] | 1981 | constructionRays,
|
---|
[485] | 1982 | &savedRays);
|
---|
[503] | 1983 |
|
---|
| 1984 | Debug << "constructing vsp kd tree using "
|
---|
[469] | 1985 | << (int)constructionRays.size() << " samples" << endl;
|
---|
[452] | 1986 |
|
---|
[542] | 1987 | mVspKdTree->Construct(constructionRays, &mViewSpaceBox);
|
---|
[452] | 1988 | Debug << mVspKdTree->GetStatistics() << endl;
|
---|
| 1989 |
|
---|
[482] | 1990 | // export leaf building blocks
|
---|
| 1991 | ExportLeaves(objects, rays);
|
---|
[480] | 1992 |
|
---|
[469] | 1993 | // finally merge kd leaf building blocks to view cells
|
---|
[485] | 1994 | const int merged = mVspKdTree->MergeViewCells(rays);
|
---|
| 1995 |
|
---|
| 1996 | // collapse siblings belonging to the same view cell
|
---|
[486] | 1997 | mVspKdTree->RefineViewCells(rays);
|
---|
[485] | 1998 |
|
---|
[542] | 1999 | // collapse siblings belonging to the same view cell
|
---|
[503] | 2000 | mVspKdTree->CollapseTree();
|
---|
| 2001 |
|
---|
[482] | 2002 | // evaluale view cell stats
|
---|
| 2003 | ResetViewCells();
|
---|
[469] | 2004 |
|
---|
[482] | 2005 | Debug << "\nView cells after construction:\n" << mViewCellsStats << endl;
|
---|
| 2006 |
|
---|
[485] | 2007 | long startTime = GetTime();
|
---|
[469] | 2008 | // recast rest of rays
|
---|
[574] | 2009 | ComputeSampleContributions(savedRays, true, false);
|
---|
[503] | 2010 |
|
---|
| 2011 | Debug << "Computed remaining ray contribution in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
[485] | 2012 | << " secs" << endl;
|
---|
[469] | 2013 |
|
---|
| 2014 | return merged;
|
---|
[440] | 2015 | }
|
---|
| 2016 |
|
---|
| 2017 | bool VspKdViewCellsManager::ViewCellsConstructed() const
|
---|
| 2018 | {
|
---|
| 2019 | return mVspKdTree->GetRoot() != NULL;
|
---|
| 2020 | }
|
---|
| 2021 |
|
---|
[441] | 2022 |
|
---|
[462] | 2023 | ViewCell *VspKdViewCellsManager::GenerateViewCell(Mesh *mesh) const
|
---|
| 2024 | {
|
---|
| 2025 | return new VspKdViewCell(mesh);
|
---|
| 2026 | }
|
---|
| 2027 |
|
---|
[503] | 2028 | int VspKdViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
[466] | 2029 | const VssRayContainer &rays)
|
---|
[440] | 2030 | {
|
---|
[441] | 2031 | if (!ViewCellsConstructed())
|
---|
| 2032 | return 0;
|
---|
| 2033 |
|
---|
[482] | 2034 | // recalculate stats
|
---|
| 2035 | EvaluateViewCellsStats();
|
---|
| 2036 |
|
---|
[469] | 2037 | return 0;
|
---|
[440] | 2038 | }
|
---|
| 2039 |
|
---|
[482] | 2040 |
|
---|
| 2041 | void VspKdViewCellsManager::ExportLeaves(const ObjectContainer &objects,
|
---|
| 2042 | const VssRayContainer &sampleRays)
|
---|
[440] | 2043 | {
|
---|
[441] | 2044 | if (!ViewCellsConstructed())
|
---|
| 2045 | return;
|
---|
| 2046 |
|
---|
[482] | 2047 | //-- export leaf building blocks
|
---|
[503] | 2048 | Exporter *exporter = Exporter::GetExporter("vspkdtree.x3d");
|
---|
[482] | 2049 | if (!exporter)
|
---|
| 2050 | return;
|
---|
| 2051 |
|
---|
| 2052 | //exporter->SetWireframe();
|
---|
| 2053 | //exporter->ExportVspKdTree(*mVspKdTree, mVspKdTree->GetStatistics().maxPvsSize);
|
---|
| 2054 | exporter->ExportVspKdTree(*mVspKdTree);
|
---|
| 2055 |
|
---|
[503] | 2056 | if (mExportGeometry)
|
---|
[482] | 2057 | exporter->ExportGeometry(objects);
|
---|
| 2058 |
|
---|
[503] | 2059 | if (mExportRays)
|
---|
[440] | 2060 | {
|
---|
[503] | 2061 | const float prob = (float)mVisualizationSamples
|
---|
[482] | 2062 | / ((float)sampleRays.size() + Limits::Small);
|
---|
[440] | 2063 |
|
---|
[482] | 2064 | exporter->SetWireframe();
|
---|
[440] | 2065 |
|
---|
[482] | 2066 | //-- collect uniformly distributed rays
|
---|
| 2067 | VssRayContainer rays;
|
---|
[440] | 2068 |
|
---|
[482] | 2069 | for (int i = 0; i < sampleRays.size(); ++ i)
|
---|
| 2070 | {
|
---|
| 2071 | if (RandomValue(0,1) < prob)
|
---|
| 2072 | rays.push_back(sampleRays[i]);
|
---|
[440] | 2073 | }
|
---|
[482] | 2074 | exporter->ExportRays(rays, RgbColor(1, 0, 0));
|
---|
[440] | 2075 | }
|
---|
| 2076 |
|
---|
[482] | 2077 | delete exporter;
|
---|
| 2078 | }
|
---|
| 2079 |
|
---|
| 2080 | void VspKdViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
| 2081 | const VssRayContainer &sampleRays)
|
---|
| 2082 | {
|
---|
| 2083 | if (!ViewCellsConstructed())
|
---|
| 2084 | return;
|
---|
[503] | 2085 |
|
---|
[482] | 2086 | //-- export single view cells
|
---|
| 2087 | for (int i = 0; i < 10; ++ i)
|
---|
[440] | 2088 | {
|
---|
[482] | 2089 | char s[64];
|
---|
| 2090 | sprintf(s, "vsp_viewcell%04d.x3d", i);
|
---|
| 2091 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
[503] | 2092 | const int idx =
|
---|
[482] | 2093 | (int)RandomValue(0.0, (Real)((int)mViewCells.size() - 1));
|
---|
[440] | 2094 |
|
---|
[503] | 2095 | VspKdViewCell *vc = dynamic_cast<VspKdViewCell *>(mViewCells[idx]);
|
---|
[482] | 2096 |
|
---|
[483] | 2097 | cout << "Output view cell " << i << " with pvs size " << vc->GetPvs().GetSize() << endl;
|
---|
| 2098 | Debug << "Output view cell " << i << " with pvs size " << vc->GetPvs().GetSize() << endl;
|
---|
[482] | 2099 | //-- export geometry
|
---|
| 2100 | Material m;
|
---|
| 2101 | m.mDiffuseColor = RgbColor(0, 1, 1);
|
---|
[503] | 2102 |
|
---|
[482] | 2103 | exporter->SetForcedMaterial(m);
|
---|
| 2104 | exporter->SetWireframe();
|
---|
| 2105 |
|
---|
[580] | 2106 | ExportViewCellGeometry(exporter, vc);
|
---|
[482] | 2107 |
|
---|
| 2108 | //-- export stored rays
|
---|
[580] | 2109 |
|
---|
[485] | 2110 | if (mExportRays)
|
---|
[440] | 2111 | {
|
---|
[580] | 2112 | ViewCellContainer leaves;
|
---|
| 2113 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
[440] | 2114 |
|
---|
[580] | 2115 | ViewCellContainer::const_iterator it,
|
---|
| 2116 | it_end = leaves.end();
|
---|
| 2117 |
|
---|
| 2118 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
[482] | 2119 | {
|
---|
[580] | 2120 | VspKdViewCell *vspKdVc = dynamic_cast<VspKdViewCell *>(*it);
|
---|
| 2121 | VspKdLeaf *leaf = vspKdVc->mLeaf;
|
---|
[482] | 2122 | AxisAlignedBox3 box = mVspKdTree->GetBBox(leaf);
|
---|
[440] | 2123 |
|
---|
[482] | 2124 | VssRayContainer vssRays;
|
---|
[483] | 2125 |
|
---|
| 2126 | VssRayContainer castRays;
|
---|
| 2127 | VssRayContainer initRays;
|
---|
| 2128 |
|
---|
[482] | 2129 | leaf->GetRays(vssRays);
|
---|
[440] | 2130 |
|
---|
[482] | 2131 | VssRayContainer::const_iterator it, it_end = vssRays.end();
|
---|
[483] | 2132 | const float prop = 200.0f / (float)vssRays.size();
|
---|
[440] | 2133 |
|
---|
[482] | 2134 | for (it = vssRays.begin(); it != it_end; ++ it)
|
---|
[483] | 2135 | {
|
---|
[485] | 2136 | if (Random(1) < prop)
|
---|
[483] | 2137 | if ((*it)->mTerminationObject == NULL)
|
---|
| 2138 | castRays.push_back(*it);
|
---|
[503] | 2139 | else
|
---|
[483] | 2140 | initRays.push_back(*it);
|
---|
| 2141 | }
|
---|
| 2142 |
|
---|
| 2143 | exporter->ExportRays(castRays, RgbColor(1, 0, 0));
|
---|
| 2144 | exporter->ExportRays(initRays, RgbColor(0, 1, 0));
|
---|
[482] | 2145 | }
|
---|
| 2146 | }
|
---|
[580] | 2147 |
|
---|
[482] | 2148 | //-- output PVS of view cell
|
---|
| 2149 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 2150 | exporter->SetForcedMaterial(m);
|
---|
[440] | 2151 |
|
---|
[483] | 2152 | Intersectable::NewMail();
|
---|
| 2153 |
|
---|
[482] | 2154 | ObjectPvsMap::const_iterator it,
|
---|
| 2155 | it_end = vc->GetPvs().mEntries.end();
|
---|
| 2156 |
|
---|
| 2157 | exporter->SetFilled();
|
---|
| 2158 |
|
---|
[503] | 2159 | for (it = vc->GetPvs().mEntries.begin(); it != it_end; ++ it)
|
---|
[482] | 2160 | {
|
---|
| 2161 | Intersectable *intersect = (*it).first;
|
---|
| 2162 |
|
---|
| 2163 | if (!intersect->Mailed())
|
---|
| 2164 | {
|
---|
| 2165 | Material m = RandomMaterial();
|
---|
| 2166 | exporter->SetForcedMaterial(m);
|
---|
| 2167 |
|
---|
| 2168 | exporter->ExportIntersectable(intersect);
|
---|
| 2169 | intersect->Mail();
|
---|
[503] | 2170 | }
|
---|
[482] | 2171 | }
|
---|
| 2172 |
|
---|
| 2173 | delete exporter;
|
---|
[440] | 2174 | }
|
---|
[462] | 2175 |
|
---|
| 2176 | //-- export final view cells
|
---|
[503] | 2177 | Exporter *exporter = Exporter::GetExporter("vspkdtree_merged.x3d");
|
---|
| 2178 |
|
---|
[485] | 2179 | //if (exportGeometry) exporter->SetWireframe();
|
---|
| 2180 | //else exporter->SetFilled();
|
---|
[483] | 2181 |
|
---|
[508] | 2182 | ExportViewCellsForViz(exporter);
|
---|
[462] | 2183 |
|
---|
[503] | 2184 | if (mExportGeometry)
|
---|
[465] | 2185 | {
|
---|
| 2186 | exporter->SetFilled();
|
---|
[462] | 2187 | exporter->ExportGeometry(objects);
|
---|
[465] | 2188 | }
|
---|
[469] | 2189 |
|
---|
[503] | 2190 | if (mExportRays)
|
---|
[462] | 2191 | {
|
---|
[503] | 2192 | const float prob = (float)mVisualizationSamples
|
---|
[482] | 2193 | / ((float)sampleRays.size() + Limits::Small);
|
---|
[503] | 2194 |
|
---|
[462] | 2195 | exporter->SetWireframe();
|
---|
[503] | 2196 |
|
---|
[466] | 2197 | VssRayContainer rays;
|
---|
[503] | 2198 |
|
---|
[462] | 2199 | for (int i = 0; i < sampleRays.size(); ++ i)
|
---|
| 2200 | {
|
---|
[466] | 2201 | if (RandomValue(0,1) < prob)
|
---|
| 2202 | rays.push_back(sampleRays[i]);
|
---|
[462] | 2203 | }
|
---|
[503] | 2204 | exporter->ExportRays(rays, RgbColor(1, 0, 0));
|
---|
[462] | 2205 | }
|
---|
| 2206 |
|
---|
| 2207 | delete exporter;
|
---|
[440] | 2208 | }
|
---|
| 2209 |
|
---|
| 2210 | int VspKdViewCellsManager::GetType() const
|
---|
| 2211 | {
|
---|
| 2212 | return VSP_KD;
|
---|
| 2213 | }
|
---|
[442] | 2214 |
|
---|
[462] | 2215 |
|
---|
[469] | 2216 | int VspKdViewCellsManager::CastLineSegment(const Vector3 &origin,
|
---|
| 2217 | const Vector3 &termination,
|
---|
| 2218 | ViewCellContainer &viewcells)
|
---|
[466] | 2219 | {
|
---|
[469] | 2220 | return mVspKdTree->CastLineSegment(origin, termination, viewcells);
|
---|
[466] | 2221 | }
|
---|
| 2222 |
|
---|
[477] | 2223 |
|
---|
[482] | 2224 | void VspKdViewCellsManager::ExportColor(Exporter *exporter,
|
---|
| 2225 | ViewCell *vc) const
|
---|
| 2226 | {
|
---|
| 2227 | if (mColorCode == 0) // Random color
|
---|
| 2228 | return;
|
---|
[503] | 2229 |
|
---|
[482] | 2230 | float importance = 0;
|
---|
[477] | 2231 |
|
---|
[482] | 2232 | switch (mColorCode)
|
---|
| 2233 | {
|
---|
| 2234 | case 1: // pvs
|
---|
| 2235 | {
|
---|
[503] | 2236 | importance = (float)vc->GetPvs().GetSize() /
|
---|
[482] | 2237 | (float)mViewCellsStats.maxPvs;
|
---|
| 2238 | }
|
---|
| 2239 | break;
|
---|
[580] | 2240 | case 2: // merged leaves
|
---|
[482] | 2241 | {
|
---|
[580] | 2242 | int lSize = mViewCellsTree->GetSize(vc);
|
---|
| 2243 | importance = (float)lSize /
|
---|
[482] | 2244 | (float)mViewCellsStats.maxLeaves;
|
---|
| 2245 | }
|
---|
| 2246 | break;
|
---|
[485] | 2247 | case 3: // merged tree depth difference
|
---|
[482] | 2248 | {
|
---|
[503] | 2249 | //importance = (float)GetMaxTreeDiff(vc) /
|
---|
[482] | 2250 | // (float)(mVspBspTree->GetStatistics().maxDepth * 2);
|
---|
| 2251 | }
|
---|
| 2252 | break;
|
---|
| 2253 | default:
|
---|
| 2254 | break;
|
---|
| 2255 | }
|
---|
| 2256 |
|
---|
| 2257 | Material m;
|
---|
| 2258 | m.mDiffuseColor.b = 1.0f;
|
---|
| 2259 | m.mDiffuseColor.r = importance;
|
---|
| 2260 | m.mDiffuseColor.g = 1.0f - m.mDiffuseColor.r;
|
---|
| 2261 | //Debug << "importance: " << importance << endl;
|
---|
| 2262 | exporter->SetForcedMaterial(m);
|
---|
| 2263 | }
|
---|
| 2264 |
|
---|
| 2265 |
|
---|
[580] | 2266 | void VspKdViewCellsManager::ExportViewCellGeometry(Exporter *exporter,
|
---|
[591] | 2267 | ViewCell *vc,
|
---|
| 2268 | const Plane3 *cuttingPlane) const
|
---|
[482] | 2269 | {
|
---|
| 2270 | VspKdViewCell *kdVc = dynamic_cast<VspKdViewCell *>(vc);
|
---|
| 2271 |
|
---|
[486] | 2272 | Mesh m;
|
---|
[580] | 2273 |
|
---|
| 2274 | ViewCellContainer leaves;
|
---|
| 2275 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 2276 |
|
---|
| 2277 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 2278 |
|
---|
| 2279 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
[486] | 2280 | {
|
---|
[580] | 2281 | VspKdLeaf *l = dynamic_cast<VspKdViewCell *>(*it)->mLeaf;
|
---|
| 2282 | mVspKdTree->GetBBox(l).AddBoxToMesh(&m);
|
---|
[486] | 2283 | }
|
---|
| 2284 |
|
---|
| 2285 | exporter->ExportMesh(&m);
|
---|
[482] | 2286 | }
|
---|
| 2287 |
|
---|
| 2288 |
|
---|
[503] | 2289 | void VspKdViewCellsManager::CreateMesh(ViewCell *vc)
|
---|
| 2290 | {
|
---|
[551] | 2291 | //TODO
|
---|
[503] | 2292 | }
|
---|
[442] | 2293 |
|
---|
[574] | 2294 |
|
---|
[584] | 2295 | void VspKdViewCellsManager::CollectMergeCandidates(const VssRayContainer &rays,
|
---|
| 2296 | vector<MergeCandidate> &candidates)
|
---|
[580] | 2297 | {
|
---|
| 2298 | // TODO
|
---|
| 2299 | }
|
---|
[574] | 2300 |
|
---|
[580] | 2301 |
|
---|
[503] | 2302 | /**************************************************************************/
|
---|
| 2303 | /* VspBspViewCellsManager implementation */
|
---|
| 2304 | /**************************************************************************/
|
---|
[482] | 2305 |
|
---|
[503] | 2306 |
|
---|
[574] | 2307 | VspBspViewCellsManager::VspBspViewCellsManager(VspBspTree *vspBspTree):
|
---|
| 2308 | ViewCellsManager(), mVspBspTree(vspBspTree)
|
---|
[442] | 2309 | {
|
---|
[574] | 2310 | environment->GetIntValue("VspBspTree.Construction.samples", mInitialSamples);
|
---|
[478] | 2311 | mVspBspTree->SetViewCellsManager(this);
|
---|
[590] | 2312 | mVspBspTree->mViewCellsTree = mViewCellsTree;
|
---|
[442] | 2313 | }
|
---|
| 2314 |
|
---|
[477] | 2315 |
|
---|
[475] | 2316 | VspBspViewCellsManager::~VspBspViewCellsManager()
|
---|
| 2317 | {
|
---|
| 2318 | }
|
---|
| 2319 |
|
---|
[477] | 2320 |
|
---|
[471] | 2321 | float VspBspViewCellsManager::GetProbability(ViewCell *viewCell)
|
---|
[468] | 2322 | {
|
---|
[551] | 2323 | if (0 && mVspBspTree->mUseAreaForPvs)
|
---|
[547] | 2324 | return GetArea(viewCell) / GetAccVcArea();
|
---|
| 2325 | else
|
---|
| 2326 | return GetVolume(viewCell) / mViewSpaceBox.GetVolume();
|
---|
[468] | 2327 | }
|
---|
| 2328 |
|
---|
[477] | 2329 |
|
---|
[480] | 2330 | void VspBspViewCellsManager::CollectViewCells()
|
---|
| 2331 | {
|
---|
[581] | 2332 | // view cells tree constructed
|
---|
| 2333 | if (!ViewCellsTreeConstructed())
|
---|
| 2334 | {
|
---|
[590] | 2335 | mVspBspTree->CollectViewCells(mViewCells, false);
|
---|
[581] | 2336 | }
|
---|
| 2337 | else
|
---|
| 2338 | {
|
---|
| 2339 | // we can use the view cells tree hierarchy to get the right set
|
---|
[582] | 2340 | mViewCellsTree->CollectBestViewCellSet(mViewCells, mNumMergedViewCells);
|
---|
[581] | 2341 | }
|
---|
| 2342 |
|
---|
[480] | 2343 | }
|
---|
| 2344 |
|
---|
| 2345 |
|
---|
[503] | 2346 | float VspBspViewCellsManager::GetRendercost(ViewCell *viewCell,
|
---|
[477] | 2347 | float objRendercost) const
|
---|
[468] | 2348 | {
|
---|
| 2349 | return viewCell->GetPvs().GetSize() * objRendercost;
|
---|
| 2350 | }
|
---|
| 2351 |
|
---|
[462] | 2352 |
|
---|
[442] | 2353 | bool VspBspViewCellsManager::ViewCellsConstructed() const
|
---|
| 2354 | {
|
---|
| 2355 | return mVspBspTree->GetRoot() != NULL;
|
---|
| 2356 | }
|
---|
| 2357 |
|
---|
[462] | 2358 |
|
---|
[442] | 2359 | ViewCell *VspBspViewCellsManager::GenerateViewCell(Mesh *mesh) const
|
---|
| 2360 | {
|
---|
| 2361 | return new BspViewCell(mesh);
|
---|
| 2362 | }
|
---|
| 2363 |
|
---|
[569] | 2364 |
|
---|
[574] | 2365 | int VspBspViewCellsManager::ConstructSubdivision(const ObjectContainer &objects,
|
---|
[487] | 2366 | const VssRayContainer &rays)
|
---|
[442] | 2367 | {
|
---|
[503] | 2368 | // if view cells were already constructed
|
---|
| 2369 | if (ViewCellsConstructed())
|
---|
| 2370 | return 0;
|
---|
[442] | 2371 |
|
---|
[503] | 2372 | Debug << "Constructing bsp view cells" << endl;
|
---|
| 2373 |
|
---|
| 2374 | int sampleContributions = 0;
|
---|
| 2375 |
|
---|
| 2376 | VssRayContainer sampleRays;
|
---|
| 2377 |
|
---|
[574] | 2378 | int limit = min (mInitialSamples, (int)rays.size());
|
---|
[503] | 2379 |
|
---|
[469] | 2380 | VssRayContainer constructionRays;
|
---|
| 2381 | VssRayContainer savedRays;
|
---|
[442] | 2382 |
|
---|
[587] | 2383 | Debug << "samples used for subdivision: " << mInitialSamples
|
---|
| 2384 | << " rays: " << (int)rays.size() << endl;
|
---|
| 2385 |
|
---|
[574] | 2386 | GetRaySets(rays, mInitialSamples, constructionRays, &savedRays);
|
---|
[487] | 2387 |
|
---|
[574] | 2388 | Debug << "initial rays: " << (int)constructionRays.size() << endl;
|
---|
[508] | 2389 | Debug << "saved rays: " << (int)savedRays.size() << endl;
|
---|
[485] | 2390 |
|
---|
[547] | 2391 | mMaxPvsSize = (int)(mMaxPvsRatio * (float)objects.size());
|
---|
[564] | 2392 |
|
---|
[542] | 2393 | mVspBspTree->Construct(constructionRays, &mViewSpaceBox);
|
---|
[503] | 2394 |
|
---|
[480] | 2395 | Debug << mVspBspTree->GetStatistics() << endl;
|
---|
[491] | 2396 |
|
---|
[490] | 2397 | // collapse invalid regions
|
---|
[491] | 2398 | cout << "collapsing invalid tree regions ... ";
|
---|
[495] | 2399 | long startTime = GetTime();
|
---|
[503] | 2400 | int collapsedLeaves = mVspBspTree->CollapseTree();
|
---|
[587] | 2401 | Debug << "collapsed in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
| 2402 | << " seconds" << endl;
|
---|
| 2403 |
|
---|
[495] | 2404 | cout << "finished" << endl;
|
---|
[503] | 2405 |
|
---|
[491] | 2406 | cout << "reseting view cell stats ... ";
|
---|
[480] | 2407 | ResetViewCells();
|
---|
[491] | 2408 | cout << "finished" << endl;
|
---|
[503] | 2409 |
|
---|
[480] | 2410 | Debug << "\nView cells after construction:\n" << mViewCellsStats << endl;
|
---|
[491] | 2411 |
|
---|
| 2412 | if (1) // export initial view cells
|
---|
| 2413 | {
|
---|
| 2414 | cout << "exporting initial view cells (=leaves) ... ";
|
---|
| 2415 | Exporter *exporter = Exporter::GetExporter("view_cells.x3d");
|
---|
[503] | 2416 |
|
---|
[491] | 2417 | if (exporter)
|
---|
| 2418 | {
|
---|
| 2419 | //exporter->SetWireframe();
|
---|
| 2420 | exporter->SetFilled();
|
---|
[508] | 2421 | ExportViewCellsForViz(exporter);
|
---|
[491] | 2422 |
|
---|
[495] | 2423 | if (0 && mExportRays)
|
---|
| 2424 | exporter->ExportRays(rays, RgbColor(1, 1, 1));
|
---|
[503] | 2425 |
|
---|
[491] | 2426 | if (mExportGeometry)
|
---|
| 2427 | exporter->ExportGeometry(objects);
|
---|
[503] | 2428 |
|
---|
[491] | 2429 | delete exporter;
|
---|
| 2430 | }
|
---|
| 2431 | cout << "finished" << endl;
|
---|
| 2432 | }
|
---|
| 2433 |
|
---|
[495] | 2434 | startTime = GetTime();
|
---|
[503] | 2435 |
|
---|
| 2436 | // reset view cells and stats
|
---|
| 2437 | ResetViewCells();
|
---|
| 2438 |
|
---|
[491] | 2439 | cout << "Computing remaining ray contributions ... ";
|
---|
[469] | 2440 | // recast rest of rays
|
---|
[574] | 2441 | ComputeSampleContributions(savedRays, true, false);
|
---|
[491] | 2442 | cout << "finished" << endl;
|
---|
| 2443 |
|
---|
[503] | 2444 | Debug << "Computed remaining ray contribution in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
[485] | 2445 | << " secs" << endl;
|
---|
[442] | 2446 |
|
---|
[485] | 2447 | cout << "construction finished" << endl;
|
---|
[503] | 2448 |
|
---|
[442] | 2449 | return sampleContributions;
|
---|
| 2450 | }
|
---|
| 2451 |
|
---|
[489] | 2452 |
|
---|
[503] | 2453 | void VspBspViewCellsManager::MergeViewCells(const VssRayContainer &rays,
|
---|
| 2454 | const ObjectContainer &objects)
|
---|
[475] | 2455 | {
|
---|
[442] | 2456 | //-- post processing of bsp view cells
|
---|
| 2457 | int vcSize = 0;
|
---|
| 2458 | int pvsSize = 0;
|
---|
| 2459 |
|
---|
[480] | 2460 | mRenderer->RenderScene();
|
---|
| 2461 | SimulationStatistics ss;
|
---|
| 2462 | dynamic_cast<RenderSimulator *>(mRenderer)->GetStatistics(ss);
|
---|
| 2463 | Debug << ss << endl;
|
---|
| 2464 |
|
---|
[442] | 2465 | //-- merge or subdivide view cells
|
---|
| 2466 | int merged = 0;
|
---|
[503] | 2467 |
|
---|
[561] | 2468 | cout << "starting merge using " << mPostProcessSamples << " samples ... " << endl;
|
---|
[485] | 2469 | long startTime = GetTime();
|
---|
[442] | 2470 |
|
---|
[580] | 2471 |
|
---|
[503] | 2472 | // TODO: should be done BEFORE the ray casting
|
---|
[580] | 2473 | merged = mViewCellsTree->ConstructMergeTree(rays, objects);
|
---|
[442] | 2474 |
|
---|
[485] | 2475 | //-- stats and visualizations
|
---|
[561] | 2476 | cout << "finished merging" << endl;
|
---|
[485] | 2477 | cout << "merged " << merged << " view cells in "
|
---|
| 2478 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl;
|
---|
| 2479 |
|
---|
| 2480 | Debug << "Postprocessing: Merged " << merged << " view cells in "
|
---|
| 2481 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl << endl;
|
---|
[503] | 2482 |
|
---|
[491] | 2483 |
|
---|
[485] | 2484 | //BspLeaf::NewMail();
|
---|
| 2485 | if (1) // export merged view cells
|
---|
[483] | 2486 | {
|
---|
[574] | 2487 |
|
---|
| 2488 | cout << "reseting view cells ... ";
|
---|
| 2489 | ResetViewCells();
|
---|
[587] | 2490 |
|
---|
[574] | 2491 | cout << "finished" << endl;
|
---|
| 2492 |
|
---|
[485] | 2493 | Exporter *exporter = Exporter::GetExporter("merged_view_cells.x3d");
|
---|
| 2494 | Debug << "\nView cells after merge:\n" << mViewCellsStats << endl;
|
---|
[483] | 2495 |
|
---|
[485] | 2496 | cout << "exporting view cells after merge ... ";
|
---|
| 2497 |
|
---|
| 2498 | if (exporter)
|
---|
[483] | 2499 | {
|
---|
[564] | 2500 | if (0)
|
---|
[551] | 2501 | exporter->SetWireframe();
|
---|
| 2502 | else
|
---|
| 2503 | exporter->SetFilled();
|
---|
[508] | 2504 | ExportViewCellsForViz(exporter);
|
---|
[442] | 2505 |
|
---|
[485] | 2506 | if (mExportGeometry)
|
---|
[483] | 2507 | {
|
---|
[485] | 2508 | Material m;
|
---|
| 2509 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 2510 | exporter->SetForcedMaterial(m);
|
---|
| 2511 | exporter->SetFilled();
|
---|
[442] | 2512 |
|
---|
[485] | 2513 | exporter->ExportGeometry(objects);
|
---|
[442] | 2514 | }
|
---|
[485] | 2515 |
|
---|
| 2516 | delete exporter;
|
---|
[442] | 2517 | }
|
---|
[485] | 2518 | cout << "finished" << endl;
|
---|
[442] | 2519 | }
|
---|
[503] | 2520 | }
|
---|
[475] | 2521 |
|
---|
[503] | 2522 |
|
---|
[564] | 2523 | void VspBspViewCellsManager::RefineViewCells(const VssRayContainer &rays,
|
---|
| 2524 | const ObjectContainer &objects)
|
---|
[503] | 2525 | {
|
---|
[485] | 2526 | Debug << "render time before refine:" << endl;
|
---|
| 2527 | mRenderer->RenderScene();
|
---|
[503] | 2528 | SimulationStatistics ss;
|
---|
[485] | 2529 | dynamic_cast<RenderSimulator *>(mRenderer)->GetStatistics(ss);
|
---|
| 2530 | Debug << ss << endl;
|
---|
| 2531 |
|
---|
[489] | 2532 | cout << "Refining the merged view cells ... ";
|
---|
[503] | 2533 | long startTime = GetTime();
|
---|
[485] | 2534 |
|
---|
| 2535 | // refining the merged view cells
|
---|
[580] | 2536 | const int refined = mViewCellsTree->RefineViewCells(rays, objects);
|
---|
[485] | 2537 |
|
---|
[442] | 2538 | //-- stats and visualizations
|
---|
| 2539 | cout << "finished" << endl;
|
---|
[485] | 2540 | cout << "refined " << refined << " view cells in "
|
---|
[442] | 2541 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl;
|
---|
| 2542 |
|
---|
[485] | 2543 | Debug << "Postprocessing: refined " << refined << " view cells in "
|
---|
[475] | 2544 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl << endl;
|
---|
[503] | 2545 | }
|
---|
[495] | 2546 |
|
---|
[517] | 2547 |
|
---|
[503] | 2548 | int VspBspViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
| 2549 | const VssRayContainer &rays)
|
---|
| 2550 | {
|
---|
| 2551 | if (!ViewCellsConstructed())
|
---|
| 2552 | {
|
---|
[517] | 2553 | Debug << "postprocess error: no view cells constructed" << endl;
|
---|
[503] | 2554 | return 0;
|
---|
| 2555 | }
|
---|
[520] | 2556 |
|
---|
[564] | 2557 |
|
---|
[542] | 2558 | // view cells already finished before post processing step (i.e. because they were loaded)
|
---|
[520] | 2559 | if (mViewCellsFinished)
|
---|
[542] | 2560 | {
|
---|
[551] | 2561 | FinalizeViewCells(true);
|
---|
[542] | 2562 | EvaluateViewCellsStats();
|
---|
[577] | 2563 |
|
---|
[517] | 2564 | return 0;
|
---|
[542] | 2565 | }
|
---|
[448] | 2566 |
|
---|
[564] | 2567 |
|
---|
[542] | 2568 | // check if new view cells turned invalid
|
---|
[574] | 2569 | SetValidity(mMinPvsSize, mMaxPvsSize);
|
---|
| 2570 | // update valid view space according to valid view cells
|
---|
[544] | 2571 | mVspBspTree->ValidateTree();
|
---|
[542] | 2572 |
|
---|
[574] | 2573 | // recompute view cell statistics
|
---|
| 2574 | mViewCellsStats.Reset();
|
---|
| 2575 | EvaluateViewCellsStats();
|
---|
[580] | 2576 |
|
---|
[574] | 2577 | // has to be recomputed
|
---|
| 2578 | mTotalAreaValid = false;
|
---|
[542] | 2579 |
|
---|
[574] | 2580 |
|
---|
[517] | 2581 | VssRayContainer postProcessRays;
|
---|
| 2582 | GetRaySets(rays, mPostProcessSamples, postProcessRays);
|
---|
| 2583 |
|
---|
| 2584 | Debug << "post processing using " << (int)postProcessRays.size() << " samples" << endl;
|
---|
[564] | 2585 |
|
---|
[517] | 2586 | Debug << "\nview cell partition after sampling:\n" << mViewCellsStats << endl << endl;
|
---|
| 2587 |
|
---|
[552] | 2588 | // should maybe be done here to allow merge working with area or volume
|
---|
| 2589 | // and to correct the rendering statistics
|
---|
[554] | 2590 | if (0)
|
---|
[551] | 2591 | {
|
---|
| 2592 | FinalizeViewCells(false);
|
---|
| 2593 | }
|
---|
| 2594 |
|
---|
[591] | 2595 | if (mMergeViewCells)
|
---|
| 2596 | {
|
---|
| 2597 | //-- merge the individual view cells
|
---|
| 2598 | MergeViewCells(postProcessRays, objects);
|
---|
| 2599 |
|
---|
[580] | 2600 |
|
---|
[591] | 2601 | //-- refines the merged view cells
|
---|
| 2602 | if (0)
|
---|
| 2603 | RefineViewCells(postProcessRays, objects);
|
---|
[568] | 2604 |
|
---|
[591] | 2605 | if (mCompressViewCells)
|
---|
| 2606 | {
|
---|
| 2607 | int pvsEntries = mViewCellsTree->GetNumPvsEntries(mViewCellsTree->GetRoot());
|
---|
| 2608 | Debug << "number of entries before compress: " << pvsEntries << endl;
|
---|
[584] | 2609 |
|
---|
[591] | 2610 | mViewCellsTree->CompressViewCellsPvs();
|
---|
[583] | 2611 |
|
---|
[591] | 2612 | pvsEntries = mViewCellsTree->GetNumPvsEntries(mViewCellsTree->GetRoot());
|
---|
| 2613 | Debug << "number of entries after compress: " << pvsEntries << endl;
|
---|
| 2614 | }
|
---|
[586] | 2615 | }
|
---|
[584] | 2616 |
|
---|
[580] | 2617 | if (1)
|
---|
| 2618 | {
|
---|
| 2619 | float totalCost, erc, var, dev, avg;
|
---|
| 2620 | int totalpvs;
|
---|
| 2621 |
|
---|
| 2622 | mViewCellsStats.Reset();
|
---|
| 2623 |
|
---|
| 2624 | EvaluateRenderStatistics(totalCost, erc, dev, var, totalpvs, avg);
|
---|
| 2625 |
|
---|
| 2626 | Debug << "statistics after merge "
|
---|
| 2627 | << " erc: " << erc
|
---|
| 2628 | << " dev: " << dev
|
---|
| 2629 | << " totalpvs: " << totalpvs
|
---|
| 2630 | << " avg: " << avg << endl;
|
---|
| 2631 | }
|
---|
| 2632 |
|
---|
| 2633 |
|
---|
[568] | 2634 | //-- export shuffled view cells
|
---|
[586] | 2635 | if (0)
|
---|
[568] | 2636 | {
|
---|
| 2637 | cout << "exporting shuffled view cells ... ";
|
---|
| 2638 |
|
---|
| 2639 | Exporter *exporter = Exporter::GetExporter("shuffled_view_cells.x3d");
|
---|
| 2640 | if (exporter)
|
---|
| 2641 | {
|
---|
| 2642 | if (1)
|
---|
| 2643 | {
|
---|
| 2644 | exporter->SetWireframe();
|
---|
| 2645 | exporter->ExportBox(mViewSpaceBox);
|
---|
| 2646 | exporter->SetFilled();
|
---|
| 2647 | }
|
---|
| 2648 |
|
---|
| 2649 | if (mExportGeometry)
|
---|
| 2650 | {
|
---|
| 2651 | exporter->ExportGeometry(objects);
|
---|
| 2652 | }
|
---|
| 2653 |
|
---|
| 2654 | ViewCellContainer::const_iterator vit, vit_end = mViewCells.end();
|
---|
| 2655 |
|
---|
| 2656 | Material vm, lm;
|
---|
| 2657 |
|
---|
| 2658 | for (vit = mViewCells.begin(); vit != mViewCells.end(); ++ vit)
|
---|
| 2659 | {
|
---|
[582] | 2660 | ViewCell *vc = *vit;
|
---|
[568] | 2661 |
|
---|
| 2662 | vm = RandomMaterial();
|
---|
| 2663 |
|
---|
| 2664 | lm = vm;
|
---|
| 2665 |
|
---|
| 2666 | vm.mDiffuseColor.r -= 0.45f;
|
---|
| 2667 | vm.mDiffuseColor.g -= 0.45f;
|
---|
| 2668 | vm.mDiffuseColor.b -= 0.45f;
|
---|
| 2669 |
|
---|
| 2670 |
|
---|
[580] | 2671 | ViewCellContainer leaves;
|
---|
| 2672 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 2673 |
|
---|
| 2674 | ViewCellContainer::const_iterator lit, lit_end = leaves.end();
|
---|
| 2675 |
|
---|
| 2676 | for (lit = leaves.begin(); lit != lit_end; ++ lit)
|
---|
[568] | 2677 | {
|
---|
[580] | 2678 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(*lit)->mLeaf;
|
---|
[568] | 2679 |
|
---|
| 2680 | if (leaf->Mailed())
|
---|
| 2681 | exporter->SetForcedMaterial(lm);
|
---|
| 2682 | else
|
---|
| 2683 | exporter->SetForcedMaterial(vm);
|
---|
| 2684 |
|
---|
| 2685 | BspNodeGeometry geom;
|
---|
| 2686 | mVspBspTree->ConstructGeometry(leaf, geom);
|
---|
| 2687 | exporter->ExportPolygons(geom.mPolys);
|
---|
| 2688 | }
|
---|
| 2689 | }
|
---|
| 2690 |
|
---|
| 2691 | delete exporter;
|
---|
| 2692 | }
|
---|
| 2693 |
|
---|
| 2694 |
|
---|
| 2695 | cout << "finished" << endl;
|
---|
| 2696 | }
|
---|
| 2697 |
|
---|
[517] | 2698 | // collapse sibling leaves that share the same view cell
|
---|
[586] | 2699 | if (0)
|
---|
| 2700 | mVspBspTree->CollapseTree();
|
---|
| 2701 |
|
---|
[574] | 2702 | // recompute view cell list and statistics
|
---|
[520] | 2703 | ResetViewCells();
|
---|
| 2704 |
|
---|
[508] | 2705 | // real meshes are only contructed only at this stage
|
---|
[551] | 2706 | FinalizeViewCells(true);
|
---|
[517] | 2707 |
|
---|
[590] | 2708 | // HACK: removes view cells in bsp leaves with active ones
|
---|
| 2709 | if (0)
|
---|
| 2710 | AddCurrentViewCellsToHierarchy();
|
---|
[577] | 2711 |
|
---|
[590] | 2712 |
|
---|
[508] | 2713 | // write view cells to disc
|
---|
| 2714 | if (mExportViewCells)
|
---|
| 2715 | {
|
---|
[517] | 2716 | char buff[100];
|
---|
| 2717 | environment->GetStringValue("ViewCells.filename", buff);
|
---|
| 2718 | string vcFilename(buff);
|
---|
| 2719 |
|
---|
| 2720 | ExportViewCells(buff);
|
---|
[508] | 2721 | }
|
---|
[503] | 2722 |
|
---|
| 2723 | return 0;
|
---|
[442] | 2724 | }
|
---|
| 2725 |
|
---|
[490] | 2726 |
|
---|
[442] | 2727 | int VspBspViewCellsManager::GetType() const
|
---|
| 2728 | {
|
---|
| 2729 | return VSP_BSP;
|
---|
| 2730 | }
|
---|
| 2731 |
|
---|
| 2732 |
|
---|
[490] | 2733 | bool VspBspViewCellsManager::GetViewPoint(Vector3 &viewPoint) const
|
---|
| 2734 | {
|
---|
| 2735 | if (!ViewCellsConstructed())
|
---|
| 2736 | return ViewCellsManager::GetViewPoint(viewPoint);
|
---|
| 2737 |
|
---|
| 2738 | // TODO: set reasonable limit
|
---|
| 2739 | const int limit = 20;
|
---|
| 2740 |
|
---|
| 2741 | for (int i = 0; i < limit; ++ i)
|
---|
| 2742 | {
|
---|
[542] | 2743 | viewPoint = mViewSpaceBox.GetRandomPoint();
|
---|
[490] | 2744 | if (mVspBspTree->ViewPointValid(viewPoint))
|
---|
| 2745 | {
|
---|
| 2746 | return true;
|
---|
| 2747 | }
|
---|
| 2748 | }
|
---|
| 2749 | Debug << "failed to find valid view point, taking " << viewPoint << endl;
|
---|
| 2750 | return false;
|
---|
| 2751 | }
|
---|
| 2752 |
|
---|
| 2753 |
|
---|
| 2754 | bool VspBspViewCellsManager::ViewPointValid(const Vector3 &viewPoint) const
|
---|
| 2755 | {
|
---|
[569] | 2756 | // $$JB -> implemented in viewcellsmanager (slower, but allows dynamic
|
---|
| 2757 | // validy update in preprocessor for all managers)
|
---|
| 2758 | return ViewCellsManager::ViewPointValid(viewPoint);
|
---|
[570] | 2759 |
|
---|
[569] | 2760 | // return mViewSpaceBox.IsInside(viewPoint) &&
|
---|
| 2761 | // mVspBspTree->ViewPointValid(viewPoint);
|
---|
[490] | 2762 | }
|
---|
| 2763 |
|
---|
| 2764 |
|
---|
[442] | 2765 | void VspBspViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
[466] | 2766 | const VssRayContainer &sampleRays)
|
---|
[442] | 2767 | {
|
---|
| 2768 | if (!ViewCellsConstructed())
|
---|
| 2769 | return;
|
---|
| 2770 |
|
---|
[485] | 2771 | VssRayContainer visRays;
|
---|
| 2772 | GetRaySets(sampleRays, mVisualizationSamples, visRays);
|
---|
[483] | 2773 |
|
---|
[442] | 2774 | if (1) // export view cells
|
---|
| 2775 | {
|
---|
[485] | 2776 | Exporter *exporter = Exporter::GetExporter("final_view_cells.x3d");
|
---|
[442] | 2777 |
|
---|
| 2778 | if (exporter)
|
---|
| 2779 | {
|
---|
[580] | 2780 | cout << "exporting view cells after post process ... ";
|
---|
| 2781 |
|
---|
[542] | 2782 | if (1)
|
---|
| 2783 | {
|
---|
| 2784 | exporter->SetWireframe();
|
---|
| 2785 | exporter->ExportBox(mViewSpaceBox);
|
---|
| 2786 | exporter->SetFilled();
|
---|
| 2787 | }
|
---|
| 2788 |
|
---|
[485] | 2789 | if (mExportGeometry)
|
---|
[542] | 2790 | {
|
---|
[485] | 2791 | exporter->ExportGeometry(objects);
|
---|
[542] | 2792 | }
|
---|
[489] | 2793 |
|
---|
| 2794 | // export rays
|
---|
[490] | 2795 | if (mExportRays)
|
---|
[489] | 2796 | {
|
---|
[490] | 2797 | exporter->ExportRays(visRays, RgbColor(0, 1, 0));
|
---|
| 2798 | }
|
---|
[564] | 2799 |
|
---|
[508] | 2800 | ExportViewCellsForViz(exporter);
|
---|
[442] | 2801 | delete exporter;
|
---|
[580] | 2802 | cout << "finished" << endl;
|
---|
[442] | 2803 | }
|
---|
[557] | 2804 | }
|
---|
[503] | 2805 |
|
---|
[577] | 2806 | if (1)
|
---|
| 2807 | {
|
---|
| 2808 | cout << "exporting depth map ... ";
|
---|
| 2809 |
|
---|
| 2810 | Exporter *exporter = Exporter::GetExporter("depth_map.x3d");
|
---|
| 2811 | if (exporter)
|
---|
| 2812 | {
|
---|
| 2813 | if (1)
|
---|
| 2814 | {
|
---|
| 2815 | exporter->SetWireframe();
|
---|
| 2816 | exporter->ExportBox(mViewSpaceBox);
|
---|
| 2817 | exporter->SetFilled();
|
---|
| 2818 | }
|
---|
| 2819 |
|
---|
| 2820 | if (mExportGeometry)
|
---|
| 2821 | {
|
---|
| 2822 | exporter->ExportGeometry(objects);
|
---|
| 2823 | }
|
---|
| 2824 |
|
---|
| 2825 | const int maxDepth = mVspBspTree->mBspStats.maxDepth;
|
---|
| 2826 |
|
---|
| 2827 | ViewCellContainer::const_iterator vit, vit_end = mViewCells.end();
|
---|
| 2828 |
|
---|
| 2829 | for (vit = mViewCells.begin(); vit != mViewCells.end(); ++ vit)
|
---|
| 2830 | {
|
---|
[582] | 2831 | ViewCell *vc = *vit;
|
---|
[577] | 2832 |
|
---|
[580] | 2833 | ViewCellContainer leaves;
|
---|
| 2834 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
[577] | 2835 |
|
---|
[580] | 2836 | ViewCellContainer::const_iterator lit, lit_end = leaves.end();
|
---|
| 2837 |
|
---|
| 2838 | for (lit = leaves.begin(); lit != lit_end; ++ lit)
|
---|
[577] | 2839 | {
|
---|
[580] | 2840 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(*lit)->mLeaf;
|
---|
[577] | 2841 |
|
---|
| 2842 | Material m;
|
---|
| 2843 |
|
---|
| 2844 | float relDepth = (float)leaf->GetDepth() / (float)maxDepth;
|
---|
| 2845 | m.mDiffuseColor.r = relDepth;
|
---|
| 2846 | m.mDiffuseColor.g = 0.0f;
|
---|
| 2847 | m.mDiffuseColor.b = 1.0f - relDepth;
|
---|
| 2848 |
|
---|
| 2849 | exporter->SetForcedMaterial(m);
|
---|
| 2850 |
|
---|
| 2851 |
|
---|
| 2852 | BspNodeGeometry geom;
|
---|
| 2853 | mVspBspTree->ConstructGeometry(leaf, geom);
|
---|
| 2854 | exporter->ExportPolygons(geom.mPolys);
|
---|
| 2855 | }
|
---|
| 2856 | }
|
---|
| 2857 |
|
---|
| 2858 | delete exporter;
|
---|
| 2859 | }
|
---|
| 2860 |
|
---|
| 2861 |
|
---|
| 2862 | cout << "finished" << endl;
|
---|
| 2863 | }
|
---|
| 2864 |
|
---|
[442] | 2865 | //-- visualization of the BSP splits
|
---|
| 2866 | bool exportSplits = false;
|
---|
[489] | 2867 | environment->GetBoolValue("VspBspTree.Visualization.exportSplits", exportSplits);
|
---|
[503] | 2868 |
|
---|
[442] | 2869 | if (exportSplits)
|
---|
| 2870 | {
|
---|
| 2871 | cout << "exporting splits ... ";
|
---|
[485] | 2872 | ExportSplits(objects, visRays);
|
---|
[442] | 2873 | cout << "finished" << endl;
|
---|
| 2874 | }
|
---|
| 2875 |
|
---|
[542] | 2876 | //-- export single view cells
|
---|
[485] | 2877 | ExportBspPvs(objects, visRays);
|
---|
[442] | 2878 | }
|
---|
| 2879 |
|
---|
[503] | 2880 |
|
---|
[485] | 2881 | void VspBspViewCellsManager::ExportSplits(const ObjectContainer &objects,
|
---|
| 2882 | const VssRayContainer &rays)
|
---|
[442] | 2883 | {
|
---|
| 2884 | Exporter *exporter = Exporter::GetExporter("bsp_splits.x3d");
|
---|
| 2885 |
|
---|
[503] | 2886 | if (exporter)
|
---|
| 2887 | {
|
---|
| 2888 | Material m;
|
---|
[442] | 2889 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 2890 | exporter->SetForcedMaterial(m);
|
---|
| 2891 | exporter->SetWireframe();
|
---|
[503] | 2892 |
|
---|
[448] | 2893 | exporter->ExportBspSplits(*mVspBspTree, true);
|
---|
[442] | 2894 |
|
---|
| 2895 | // take forced material, else big scenes cannot be viewed
|
---|
| 2896 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 2897 | exporter->SetForcedMaterial(m);
|
---|
| 2898 | exporter->SetFilled();
|
---|
| 2899 |
|
---|
| 2900 | exporter->ResetForcedMaterial();
|
---|
[503] | 2901 |
|
---|
[442] | 2902 | // export rays
|
---|
[485] | 2903 | if (mExportRays)
|
---|
| 2904 | exporter->ExportRays(rays, RgbColor(1, 1, 0));
|
---|
[503] | 2905 |
|
---|
[485] | 2906 | if (mExportGeometry)
|
---|
[442] | 2907 | exporter->ExportGeometry(objects);
|
---|
| 2908 |
|
---|
| 2909 | delete exporter;
|
---|
| 2910 | }
|
---|
| 2911 | }
|
---|
| 2912 |
|
---|
[503] | 2913 |
|
---|
[485] | 2914 | void VspBspViewCellsManager::ExportBspPvs(const ObjectContainer &objects,
|
---|
| 2915 | const VssRayContainer &rays)
|
---|
[442] | 2916 | {
|
---|
| 2917 | const int leafOut = 10;
|
---|
[503] | 2918 |
|
---|
[442] | 2919 | ViewCell::NewMail();
|
---|
[503] | 2920 |
|
---|
[442] | 2921 | cout << "visualization using " << mVisualizationSamples << " samples" << endl;
|
---|
[475] | 2922 | Debug << "\nOutput view cells: " << endl;
|
---|
[503] | 2923 |
|
---|
[485] | 2924 | // sort view cells to visualize the largest view cells
|
---|
[587] | 2925 | if (0)
|
---|
| 2926 | stable_sort(mViewCells.begin(), mViewCells.end(), vc_gt);
|
---|
| 2927 |
|
---|
[503] | 2928 | int limit = min(leafOut, (int)mViewCells.size());
|
---|
[483] | 2929 |
|
---|
[587] | 2930 | int raysOut;
|
---|
| 2931 |
|
---|
[485] | 2932 | //-- some rays for output
|
---|
[587] | 2933 | if (1)
|
---|
| 2934 | raysOut = min((int)rays.size(), mVisualizationSamples);
|
---|
[485] | 2935 |
|
---|
[478] | 2936 | for (int i = 0; i < limit; ++ i)
|
---|
[442] | 2937 | {
|
---|
[478] | 2938 | cout << "creating output for view cell " << i << " ... ";
|
---|
[503] | 2939 |
|
---|
[478] | 2940 | VssRayContainer vcRays;
|
---|
[485] | 2941 | Intersectable::NewMail();
|
---|
[582] | 2942 | ViewCell *vc;
|
---|
[574] | 2943 |
|
---|
| 2944 | if (0) // largest view cell pvs first
|
---|
[582] | 2945 | vc = mViewCells[i];
|
---|
[574] | 2946 | else
|
---|
[582] | 2947 | vc = mViewCells[Random((int)mViewCells.size())];
|
---|
[442] | 2948 |
|
---|
[587] | 2949 | vector<ViewCell *> leaves;
|
---|
| 2950 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 2951 |
|
---|
[574] | 2952 | if (1)
|
---|
[442] | 2953 | {
|
---|
[574] | 2954 | // check whether we can add the current ray to the output rays
|
---|
| 2955 | for (int k = 0; k < raysOut; ++ k)
|
---|
[442] | 2956 | {
|
---|
[574] | 2957 | VssRay *ray = rays[k];
|
---|
| 2958 | for (int j = 0; j < (int)ray->mViewCells.size(); ++ j)
|
---|
| 2959 | {
|
---|
[582] | 2960 | ViewCell *rayvc = ray->mViewCells[j];
|
---|
[587] | 2961 |
|
---|
| 2962 | if (leaves[0] == rayvc)
|
---|
[574] | 2963 | vcRays.push_back(ray);
|
---|
| 2964 | }
|
---|
[442] | 2965 | }
|
---|
| 2966 | }
|
---|
[574] | 2967 |
|
---|
[478] | 2968 | //bspLeaves[j]->Mail();
|
---|
| 2969 | char s[64]; sprintf(s, "bsp-pvs%04d.x3d", i);
|
---|
| 2970 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
| 2971 | exporter->SetWireframe();
|
---|
[442] | 2972 |
|
---|
[478] | 2973 | Material m;//= RandomMaterial();
|
---|
| 2974 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 2975 | exporter->SetForcedMaterial(m);
|
---|
[442] | 2976 |
|
---|
[580] | 2977 | ExportViewCellGeometry(exporter, vc);
|
---|
[503] | 2978 |
|
---|
| 2979 |
|
---|
[586] | 2980 | Debug << i << ": pvs size=" << (int)mViewCellsTree->GetPvsSize(vc)
|
---|
[580] | 2981 | << ", piercing rays=" << (int)vcRays.size() << endl;
|
---|
| 2982 | // << ", leaves=" << (int)vc->mLeaves.size() << endl;
|
---|
[503] | 2983 |
|
---|
[574] | 2984 |
|
---|
[485] | 2985 | //-- export rays piercing this view cell
|
---|
[574] | 2986 | if (1)
|
---|
| 2987 | {
|
---|
| 2988 | exporter->ExportRays(vcRays, RgbColor(1, 1, 1));
|
---|
| 2989 | }
|
---|
| 2990 | else
|
---|
| 2991 | {
|
---|
[483] | 2992 |
|
---|
[580] | 2993 | ViewCellContainer leaves;
|
---|
| 2994 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 2995 |
|
---|
| 2996 | ViewCellContainer::const_iterator lit, lit_end = leaves.end();
|
---|
| 2997 |
|
---|
| 2998 | for (lit = leaves.begin(); lit != lit_end; ++ lit)
|
---|
| 2999 | {
|
---|
| 3000 | BspLeaf *l = dynamic_cast<BspViewCell *>(*lit)->mLeaf;
|
---|
| 3001 | exporter->ExportRays(l->mVssRays);
|
---|
| 3002 | }
|
---|
[574] | 3003 | }
|
---|
| 3004 |
|
---|
| 3005 |
|
---|
[478] | 3006 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 3007 | exporter->SetForcedMaterial(m);
|
---|
[442] | 3008 |
|
---|
[478] | 3009 | ObjectPvsMap::const_iterator it,
|
---|
| 3010 | it_end = vc->GetPvs().mEntries.end();
|
---|
[442] | 3011 |
|
---|
[478] | 3012 | exporter->SetFilled();
|
---|
[442] | 3013 |
|
---|
[574] | 3014 |
|
---|
[478] | 3015 | // output PVS of view cell
|
---|
[503] | 3016 | for (it = vc->GetPvs().mEntries.begin(); it != it_end; ++ it)
|
---|
[478] | 3017 | {
|
---|
[574] | 3018 |
|
---|
[478] | 3019 | Intersectable *intersect = (*it).first;
|
---|
[442] | 3020 |
|
---|
[478] | 3021 | if (!intersect->Mailed())
|
---|
| 3022 | {
|
---|
| 3023 | Material m = RandomMaterial();
|
---|
| 3024 | exporter->SetForcedMaterial(m);
|
---|
| 3025 |
|
---|
| 3026 | exporter->ExportIntersectable(intersect);
|
---|
| 3027 | intersect->Mail();
|
---|
[503] | 3028 | }
|
---|
[442] | 3029 | }
|
---|
[503] | 3030 |
|
---|
[574] | 3031 |
|
---|
[478] | 3032 | DEL_PTR(exporter);
|
---|
| 3033 | cout << "finished" << endl;
|
---|
[442] | 3034 | }
|
---|
[475] | 3035 |
|
---|
| 3036 | Debug << endl;
|
---|
[442] | 3037 | }
|
---|
| 3038 |
|
---|
| 3039 |
|
---|
[469] | 3040 | int VspBspViewCellsManager::CastLineSegment(const Vector3 &origin,
|
---|
| 3041 | const Vector3 &termination,
|
---|
| 3042 | ViewCellContainer &viewcells)
|
---|
[466] | 3043 | {
|
---|
[469] | 3044 | return mVspBspTree->CastLineSegment(origin, termination, viewcells);
|
---|
[466] | 3045 | }
|
---|
[482] | 3046 |
|
---|
| 3047 |
|
---|
[503] | 3048 | void VspBspViewCellsManager::ExportColor(Exporter *exporter,
|
---|
[482] | 3049 | ViewCell *vc) const
|
---|
| 3050 | {
|
---|
[564] | 3051 | const bool vcValid = CheckValidity(vc, mMinPvsSize, mMaxPvsSize);
|
---|
[503] | 3052 |
|
---|
[482] | 3053 | float importance = 0;
|
---|
[564] | 3054 | static Material m;
|
---|
| 3055 |
|
---|
[482] | 3056 | switch (mColorCode)
|
---|
| 3057 | {
|
---|
[564] | 3058 | case 0: // Random
|
---|
| 3059 | {
|
---|
| 3060 | if (vcValid)
|
---|
| 3061 | {
|
---|
[591] | 3062 | m.mDiffuseColor.r = RandomValue(0.3f, 1.0f);
|
---|
| 3063 | m.mDiffuseColor.g = RandomValue(0.3f, 1.0f);
|
---|
| 3064 | m.mDiffuseColor.b = RandomValue(0.3f, 1.0f);
|
---|
[564] | 3065 | }
|
---|
| 3066 | else
|
---|
| 3067 | {
|
---|
| 3068 | m.mDiffuseColor.r = 0.0f;
|
---|
| 3069 | m.mDiffuseColor.g = 1.0f;
|
---|
| 3070 | m.mDiffuseColor.b = 0.0f;
|
---|
| 3071 | }
|
---|
[591] | 3072 |
|
---|
| 3073 | exporter->SetForcedMaterial(m);
|
---|
| 3074 | return;
|
---|
[564] | 3075 | }
|
---|
[591] | 3076 |
|
---|
[482] | 3077 | case 1: // pvs
|
---|
| 3078 | {
|
---|
[503] | 3079 | importance = (float)vc->GetPvs().GetSize() /
|
---|
[482] | 3080 | (float)mViewCellsStats.maxPvs;
|
---|
[570] | 3081 |
|
---|
[482] | 3082 | }
|
---|
| 3083 | break;
|
---|
| 3084 | case 2: // merges
|
---|
| 3085 | {
|
---|
[580] | 3086 | int lSize = mViewCellsTree->GetSize(vc);
|
---|
| 3087 |
|
---|
| 3088 | importance = (float)lSize / (float)mViewCellsStats.maxLeaves;
|
---|
[482] | 3089 | }
|
---|
| 3090 | break;
|
---|
| 3091 | case 3: // merge tree differene
|
---|
| 3092 | {
|
---|
[503] | 3093 | importance = (float)GetMaxTreeDiff(vc) /
|
---|
[482] | 3094 | (float)(mVspBspTree->GetStatistics().maxDepth * 2);
|
---|
[547] | 3095 |
|
---|
[482] | 3096 | }
|
---|
| 3097 | break;
|
---|
| 3098 | default:
|
---|
| 3099 | break;
|
---|
| 3100 | }
|
---|
| 3101 |
|
---|
[564] | 3102 | // special color code for invalid view cells
|
---|
[482] | 3103 | m.mDiffuseColor.r = importance;
|
---|
| 3104 | m.mDiffuseColor.g = 1.0f - m.mDiffuseColor.r;
|
---|
[564] | 3105 | m.mDiffuseColor.b = vcValid ? 1.0f : 0.0f;
|
---|
[547] | 3106 |
|
---|
[482] | 3107 | //Debug << "importance: " << importance << endl;
|
---|
| 3108 | exporter->SetForcedMaterial(m);
|
---|
| 3109 | }
|
---|
| 3110 |
|
---|
| 3111 |
|
---|
[580] | 3112 | void VspBspViewCellsManager::ExportViewCellGeometry(Exporter *exporter,
|
---|
[591] | 3113 | ViewCell *vc,
|
---|
| 3114 | const Plane3 *cuttingPlane) const
|
---|
[482] | 3115 | {
|
---|
[542] | 3116 | if (vc->GetMesh())
|
---|
[503] | 3117 | {
|
---|
| 3118 | exporter->ExportMesh(vc->GetMesh());
|
---|
[590] | 3119 |
|
---|
[503] | 3120 | return;
|
---|
| 3121 | }
|
---|
| 3122 |
|
---|
[591] | 3123 |
|
---|
| 3124 | if (cuttingPlane)
|
---|
| 3125 | {
|
---|
| 3126 | ViewCellContainer leaves;
|
---|
| 3127 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
| 3128 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 3129 |
|
---|
| 3130 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 3131 | {
|
---|
| 3132 | BspNodeGeometry geom;
|
---|
| 3133 |
|
---|
| 3134 | BspNodeGeometry front;
|
---|
| 3135 | BspNodeGeometry back;
|
---|
| 3136 |
|
---|
| 3137 |
|
---|
| 3138 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(*it)->mLeaf;
|
---|
| 3139 |
|
---|
| 3140 | mVspBspTree->ConstructGeometry(leaf, geom);
|
---|
| 3141 |
|
---|
| 3142 | geom.SplitGeometry(front,
|
---|
| 3143 | back,
|
---|
| 3144 | *cuttingPlane,
|
---|
| 3145 | mViewSpaceBox,
|
---|
| 3146 | 0.005);
|
---|
| 3147 |
|
---|
| 3148 | exporter->ExportPolygons(back.mPolys);
|
---|
| 3149 | }
|
---|
| 3150 | }
|
---|
| 3151 | else
|
---|
| 3152 | {
|
---|
| 3153 | BspNodeGeometry geom;
|
---|
| 3154 | mVspBspTree->ConstructGeometry(vc, geom);
|
---|
| 3155 |
|
---|
| 3156 | exporter->ExportPolygons(geom.mPolys);
|
---|
| 3157 | }
|
---|
[482] | 3158 | }
|
---|
| 3159 |
|
---|
| 3160 |
|
---|
| 3161 | int VspBspViewCellsManager::GetMaxTreeDiff(ViewCell *vc) const
|
---|
| 3162 | {
|
---|
[580] | 3163 | ViewCellContainer leaves;
|
---|
| 3164 | mViewCellsTree->CollectLeaves(vc, leaves);
|
---|
[482] | 3165 |
|
---|
| 3166 | int maxDist = 0;
|
---|
[580] | 3167 |
|
---|
[482] | 3168 | // compute max height difference
|
---|
[580] | 3169 | for (int i = 0; i < (int)leaves.size(); ++ i)
|
---|
| 3170 | for (int j = 0; j < (int)leaves.size(); ++ j)
|
---|
[482] | 3171 | {
|
---|
[580] | 3172 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(leaves[i])->mLeaf;
|
---|
[482] | 3173 |
|
---|
| 3174 | if (i != j)
|
---|
| 3175 | {
|
---|
[580] | 3176 | BspLeaf *leaf2 =dynamic_cast<BspViewCell *>(leaves[j])->mLeaf;
|
---|
[482] | 3177 | int dist = mVspBspTree->TreeDistance(leaf, leaf2);
|
---|
| 3178 | if (dist > maxDist)
|
---|
| 3179 | maxDist = dist;
|
---|
| 3180 | }
|
---|
| 3181 | }
|
---|
[580] | 3182 |
|
---|
[492] | 3183 | return maxDist;
|
---|
| 3184 | }
|
---|
[482] | 3185 |
|
---|
[492] | 3186 |
|
---|
[569] | 3187 | ViewCell *VspBspViewCellsManager::GetViewCell(const Vector3 &point) const
|
---|
[492] | 3188 | {
|
---|
[508] | 3189 | if (!mVspBspTree)
|
---|
| 3190 | return NULL;
|
---|
[572] | 3191 |
|
---|
| 3192 | if (!mViewSpaceBox.IsInside(point))
|
---|
| 3193 | return NULL;
|
---|
| 3194 |
|
---|
[508] | 3195 | return mVspBspTree->GetViewCell(point);
|
---|
[492] | 3196 | }
|
---|
[503] | 3197 |
|
---|
| 3198 |
|
---|
| 3199 | void VspBspViewCellsManager::CreateMesh(ViewCell *vc)
|
---|
| 3200 | {
|
---|
[577] | 3201 | if (vc->GetMesh())
|
---|
| 3202 | delete vc->GetMesh();
|
---|
| 3203 |
|
---|
[590] | 3204 |
|
---|
[503] | 3205 | BspNodeGeometry geom;
|
---|
[590] | 3206 |
|
---|
| 3207 | mVspBspTree->ConstructGeometry(vc, geom);
|
---|
[582] | 3208 |
|
---|
[503] | 3209 | Mesh *mesh = new Mesh();
|
---|
| 3210 | geom.AddToMesh(*mesh);
|
---|
| 3211 | vc->SetMesh(mesh);
|
---|
| 3212 | mMeshContainer.push_back(mesh);
|
---|
| 3213 | }
|
---|
[508] | 3214 |
|
---|
| 3215 |
|
---|
[577] | 3216 | ViewCellsManager *ViewCellsManager::LoadViewCells(const string filename,
|
---|
| 3217 | ObjectContainer *objects)
|
---|
[508] | 3218 | {
|
---|
| 3219 | ViewCellsParser parser;
|
---|
[564] | 3220 |
|
---|
[577] | 3221 | ViewCellsManager *vm = NULL;
|
---|
[564] | 3222 |
|
---|
[577] | 3223 | if (parser.ParseFile(filename, &vm, objects))
|
---|
| 3224 | {
|
---|
[590] | 3225 | //vm->PrepareLoadedViewCells();
|
---|
[577] | 3226 | vm->ResetViewCells();
|
---|
[564] | 3227 |
|
---|
[577] | 3228 | vm->mViewCellsFinished = true;
|
---|
| 3229 | vm->mMaxPvsSize = (int)objects->size();
|
---|
[517] | 3230 |
|
---|
[577] | 3231 | vm->FinalizeViewCells(true);
|
---|
[564] | 3232 |
|
---|
[577] | 3233 | Debug << (int)vm->mViewCells.size() << " view cells loaded" << endl;
|
---|
| 3234 | }
|
---|
| 3235 | else
|
---|
| 3236 | {
|
---|
| 3237 | Debug << "failed loading view cells" << endl;
|
---|
| 3238 | DEL_PTR(vm);
|
---|
| 3239 | }
|
---|
| 3240 |
|
---|
| 3241 |
|
---|
| 3242 | return vm;
|
---|
[508] | 3243 | }
|
---|
| 3244 |
|
---|
| 3245 |
|
---|
| 3246 | inline bool ilt(Intersectable *obj1, Intersectable *obj2)
|
---|
| 3247 | {
|
---|
| 3248 | return obj1->mId < obj2->mId;
|
---|
| 3249 | }
|
---|
| 3250 |
|
---|
| 3251 |
|
---|
| 3252 | bool VspBspViewCellsManager::ExportViewCells(const string filename)
|
---|
| 3253 | {
|
---|
[564] | 3254 | cout << "exporting view cells to xml ... ";
|
---|
[508] | 3255 | std::ofstream stream;
|
---|
| 3256 |
|
---|
[577] | 3257 | // for output we need unique ids for each view cell
|
---|
[590] | 3258 | CreateUniqueViewCellIds();
|
---|
[508] | 3259 |
|
---|
[590] | 3260 |
|
---|
[508] | 3261 | stream.open(filename.c_str());
|
---|
| 3262 | stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"<<endl;
|
---|
| 3263 | stream << "<Visibility_Solution>" << endl;
|
---|
[564] | 3264 |
|
---|
[577] | 3265 | //-- the view space bounding box
|
---|
| 3266 | stream << "<ViewSpaceBox"
|
---|
| 3267 | << " min=\"" << mViewSpaceBox.Min().x << " " << mViewSpaceBox.Min().y << " " << mViewSpaceBox.Min().z << "\""
|
---|
| 3268 | << " max=\"" << mViewSpaceBox.Max().x << " " << mViewSpaceBox.Max().y << " " << mViewSpaceBox.Max().z << "\" />" << endl;
|
---|
| 3269 |
|
---|
| 3270 | //-- the type of the view cells hierarchy
|
---|
| 3271 | stream << "<Hierarchy name=\"vspBspTree\" />" << endl;
|
---|
| 3272 |
|
---|
[508] | 3273 | //-- load the view cells itself, i.e., the ids and the pvs
|
---|
| 3274 | stream << "<ViewCells>" << endl;
|
---|
| 3275 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 3276 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 3277 | ExportViewCell(*it, stream);
|
---|
[564] | 3278 |
|
---|
[508] | 3279 | stream << "</ViewCells>" << endl;
|
---|
[564] | 3280 |
|
---|
[508] | 3281 | //-- load the hierarchy
|
---|
[590] | 3282 | stream << "<Hierarchy>" << endl;
|
---|
[508] | 3283 | mVspBspTree->Export(stream);
|
---|
[590] | 3284 | stream << endl << "</Hierarchy>" << endl;
|
---|
[564] | 3285 |
|
---|
[508] | 3286 | stream << "</Visibility_Solution>" << endl;
|
---|
| 3287 | stream.close();
|
---|
| 3288 |
|
---|
| 3289 | cout << "finished" << endl;
|
---|
| 3290 |
|
---|
| 3291 | return true;
|
---|
[532] | 3292 | }
|
---|
| 3293 |
|
---|
| 3294 |
|
---|
| 3295 | int VspBspViewCellsManager::CastBeam(Beam &beam)
|
---|
| 3296 | {
|
---|
[535] | 3297 | return mVspBspTree->CastBeam(beam);
|
---|
[532] | 3298 | }
|
---|
[551] | 3299 |
|
---|
| 3300 |
|
---|
[587] | 3301 | void VspBspViewCellsManager::Finalize(ViewCell *viewCell,
|
---|
| 3302 | const bool createMesh)
|
---|
[551] | 3303 | {
|
---|
[582] | 3304 | CreateMesh(viewCell);
|
---|
[551] | 3305 |
|
---|
| 3306 | float area = 0;
|
---|
| 3307 | float volume = 0;
|
---|
| 3308 |
|
---|
[580] | 3309 | ViewCellContainer leaves;
|
---|
[582] | 3310 | mViewCellsTree->CollectLeaves(viewCell, leaves);
|
---|
[580] | 3311 |
|
---|
| 3312 | ViewCellContainer::const_iterator it, it_end = leaves.end();
|
---|
| 3313 |
|
---|
| 3314 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
[551] | 3315 | {
|
---|
| 3316 | BspNodeGeometry geom;
|
---|
[580] | 3317 | BspLeaf *leaf = dynamic_cast<BspViewCell *>(*it)->mLeaf;
|
---|
[551] | 3318 | mVspBspTree->ConstructGeometry(leaf, geom);
|
---|
| 3319 |
|
---|
| 3320 | area += geom.GetArea();
|
---|
| 3321 | volume += geom.GetVolume();
|
---|
| 3322 | }
|
---|
| 3323 |
|
---|
| 3324 | viewCell->SetVolume(volume);
|
---|
| 3325 | viewCell->SetArea(area);
|
---|
[563] | 3326 | }
|
---|
[575] | 3327 |
|
---|
| 3328 |
|
---|
[577] | 3329 | void VspBspViewCellsManager::PrepareLoadedViewCells()
|
---|
| 3330 | {
|
---|
| 3331 | // TODO: do I still need this here?
|
---|
[590] | 3332 | if (0)
|
---|
[577] | 3333 | mVspBspTree->RepairViewCellsLeafLists();
|
---|
| 3334 | }
|
---|
[575] | 3335 |
|
---|
[577] | 3336 |
|
---|
[580] | 3337 |
|
---|
| 3338 | void VspBspViewCellsManager::CollectMergeCandidates(const VssRayContainer &rays,
|
---|
| 3339 | vector<MergeCandidate> &candidates)
|
---|
| 3340 | {
|
---|
| 3341 | cout << "collecting merge candidates ... " << endl;
|
---|
| 3342 |
|
---|
| 3343 | if (mUseRaysForMerge)
|
---|
| 3344 | {
|
---|
| 3345 | mVspBspTree->CollectMergeCandidates(rays, candidates);
|
---|
| 3346 | }
|
---|
| 3347 | else
|
---|
| 3348 | {
|
---|
| 3349 | vector<BspLeaf *> leaves;
|
---|
| 3350 | mVspBspTree->CollectLeaves(leaves);
|
---|
| 3351 | mVspBspTree->CollectMergeCandidates(leaves, candidates);
|
---|
| 3352 | }
|
---|
| 3353 |
|
---|
| 3354 | cout << "fininshed collecting candidates" << endl;
|
---|
| 3355 | }
|
---|
| 3356 |
|
---|
| 3357 |
|
---|
[590] | 3358 | void VspBspViewCellsManager::AddCurrentViewCellsToHierarchy()
|
---|
| 3359 | {
|
---|
| 3360 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 3361 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 3362 | {
|
---|
| 3363 | }
|
---|
| 3364 | }
|
---|
[580] | 3365 |
|
---|
| 3366 | //////////////////////////////////
|
---|
[575] | 3367 | ViewCellsManager *ViewCellsManagerFactory::Create(const string mName)
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| 3368 | {
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| 3369 | //TODO
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| 3370 | return NULL;// new VspBspViewCellsManager();
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| 3371 | }
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[580] | 3372 |
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