[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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[440] | 14 |
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[517] | 15 |
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[440] | 16 | ViewCellsManager::ViewCellsManager():
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[480] | 17 | mRenderer(NULL),
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[440] | 18 | mConstructionSamples(0),
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| 19 | mPostProcessSamples(0),
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[470] | 20 | mVisualizationSamples(0),
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| 21 | mTotalAreaValid(false),
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[517] | 22 | mTotalArea(0.0f),
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| 23 | mViewCellsFinished(false)
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[440] | 24 | {
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[487] | 25 | mSceneBox.Initialize();
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[482] | 26 | ParseEnvironment();
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[440] | 27 | }
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| 28 |
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[517] | 29 |
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[440] | 30 | ViewCellsManager::ViewCellsManager(int constructionSamples):
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| 31 | mConstructionSamples(constructionSamples),
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[480] | 32 | mRenderer(NULL),
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[440] | 33 | mPostProcessSamples(0),
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[517] | 34 | mVisualizationSamples(0),
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| 35 | mViewCellsFinished(false)
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[440] | 36 | {
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[487] | 37 | mSceneBox.Initialize();
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[482] | 38 | ParseEnvironment();
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| 39 | }
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| 40 |
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[517] | 41 |
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[482] | 42 | void ViewCellsManager::ParseEnvironment()
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| 43 | {
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[503] | 44 | // visualization stuff
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[485] | 45 | environment->GetBoolValue("ViewCells.Visualization.exportRays", mExportRays);
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| 46 | environment->GetBoolValue("ViewCells.Visualization.exportGeometry", mExportGeometry);
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| 47 |
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[482] | 48 | char buf[50];
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[503] | 49 |
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[482] | 50 | environment->GetStringValue("ViewCells.Visualization.colorCode", buf);
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[503] | 51 |
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[482] | 52 | if (strcmp(buf, "PVS") == 0)
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| 53 | mColorCode = 1;
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| 54 | else if (strcmp(buf, "MergedLeaves") == 0)
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| 55 | mColorCode = 2;
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| 56 | else if (strcmp(buf, "MergedTreeDiff") == 0)
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| 57 | mColorCode = 3;
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| 58 | else
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| 59 | mColorCode = 0;
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| 60 |
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| 61 | Debug << "colorCode: " << mColorCode << endl;
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[440] | 62 | }
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| 63 |
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[485] | 64 |
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[440] | 65 | ViewCellsManager::~ViewCellsManager()
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| 66 | {
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[480] | 67 | DEL_PTR(mRenderer);
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[469] | 68 | CLEAR_CONTAINER(mViewCells);
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[503] | 69 | CLEAR_CONTAINER(mMeshContainer);
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[440] | 70 | }
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| 71 |
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[485] | 72 |
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[508] | 73 | bool ViewCellsManager::LoadViewCells(const string filename, ObjectContainer *objects)
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[440] | 74 | {
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| 75 | X3dParser parser;
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[503] | 76 |
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[440] | 77 | environment->GetFloatValue("ViewCells.height", parser.mViewCellHeight);
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[503] | 78 |
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[440] | 79 | bool success = parser.ParseFile(filename, *this);
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| 80 | Debug << (int)mViewCells.size() << " view cells loaded" << endl;
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| 81 |
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| 82 | return success;
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| 83 | }
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| 84 |
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[485] | 85 |
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[487] | 86 | bool ViewCellsManager::GetViewPoint(Vector3 &viewPoint) const
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| 87 | {
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| 88 | viewPoint = mSceneBox.GetRandomPoint();
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| 89 |
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| 90 | return true;
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| 91 | }
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| 92 |
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| 93 |
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[490] | 94 | bool ViewCellsManager::ViewPointValid(const Vector3 &viewPoint) const
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| 95 | {
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| 96 | return mSceneBox.IsInside(viewPoint);
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| 97 | }
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| 98 |
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[501] | 99 |
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[469] | 100 | void ViewCellsManager::ComputeSampleContributions(const VssRayContainer &rays)
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[440] | 101 | {
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[469] | 102 | // view cells not yet constructed
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| 103 | if (!ViewCellsConstructed())
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| 104 | return;
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[503] | 105 |
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[469] | 106 | VssRayContainer::const_iterator it, it_end = rays.end();
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[487] | 107 |
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[503] | 108 | for (it = rays.begin(); it != it_end; ++ it)
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| 109 | {
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[469] | 110 | ComputeSampleContributions(*(*it));
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| 111 | }
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[440] | 112 | }
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| 113 |
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[485] | 114 |
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[479] | 115 | void ViewCellsManager::EvaluateViewCellsStats()
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| 116 | {
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| 117 | mViewCellsStats.Reset();
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| 118 |
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| 119 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
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| 120 |
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| 121 | for (it = mViewCells.begin(); it != it_end; ++ it)
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[487] | 122 | {
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[479] | 123 | (*it)->UpdateViewCellsStats(mViewCellsStats);
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[487] | 124 | }
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[479] | 125 | }
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| 126 |
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[485] | 127 |
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[440] | 128 | void ViewCellsManager::AddViewCell(ViewCell *viewCell)
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| 129 | {
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| 130 | mViewCells.push_back(viewCell);
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| 131 | }
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| 132 |
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[485] | 133 |
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[478] | 134 | float ViewCellsManager::GetArea(ViewCell *viewCell) const
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| 135 | {
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| 136 | return viewCell->GetArea();
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| 137 | }
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| 138 |
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| 139 |
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| 140 | float ViewCellsManager::GetVolume(ViewCell *viewCell) const
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| 141 | {
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| 142 | return viewCell->GetVolume();
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| 143 | }
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| 144 |
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[485] | 145 |
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[503] | 146 | void ViewCellsManager::DeriveViewCells(const ObjectContainer &objects,
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| 147 | ViewCellContainer &viewCells,
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[440] | 148 | const int maxViewCells) const
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| 149 | {
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| 150 | // maximal max viewcells
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[503] | 151 | int limit = maxViewCells > 0 ?
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[440] | 152 | Min((int)objects.size(), maxViewCells) : (int)objects.size();
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| 153 |
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| 154 | for (int i = 0; i < limit; ++ i)
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| 155 | {
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| 156 | Intersectable *object = objects[i];
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[503] | 157 |
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[440] | 158 | // extract the mesh instances
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| 159 | if (object->Type() == Intersectable::MESH_INSTANCE)
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| 160 | {
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| 161 | MeshInstance *inst = dynamic_cast<MeshInstance *>(object);
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| 162 |
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| 163 | ViewCell *viewCell = GenerateViewCell(inst->GetMesh());
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| 164 | viewCells.push_back(viewCell);
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| 165 | }
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| 166 | //TODO: transformed meshes
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| 167 | }
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| 168 | }
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| 169 |
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[485] | 170 |
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[503] | 171 | ViewCell *ViewCellsManager::ExtrudeViewCell(const Triangle3 &baseTri,
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[440] | 172 | const float height) const
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| 173 | {
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| 174 | // one mesh per view cell
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| 175 | Mesh *mesh = new Mesh();
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[503] | 176 |
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[440] | 177 | //-- construct prism
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| 178 |
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[503] | 179 | // bottom
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[440] | 180 | mesh->mFaces.push_back(new Face(2,1,0));
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| 181 | // top
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| 182 | mesh->mFaces.push_back(new Face(3,4,5));
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| 183 | // sides
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| 184 | mesh->mFaces.push_back(new Face(1, 4, 3, 0));
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| 185 | mesh->mFaces.push_back(new Face(2, 5, 4, 1));
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| 186 | mesh->mFaces.push_back(new Face(3, 5, 2, 0));
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| 187 |
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| 188 | //--- extrude new vertices for top of prism
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| 189 | Vector3 triNorm = baseTri.GetNormal();
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| 190 |
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[503] | 191 | Triangle3 topTri;
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[440] | 192 |
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| 193 | // add base vertices and calculate top vertices
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| 194 | for (int i = 0; i < 3; ++ i)
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| 195 | mesh->mVertices.push_back(baseTri.mVertices[i]);
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[503] | 196 |
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| 197 | // add top vertices
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[440] | 198 | for (int i = 0; i < 3; ++ i)
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| 199 | mesh->mVertices.push_back(baseTri.mVertices[i] + height * triNorm);
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[503] | 200 |
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[440] | 201 | mesh->Preprocess();
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| 202 |
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| 203 | return GenerateViewCell(mesh);
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| 204 | }
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| 205 |
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[485] | 206 |
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[441] | 207 | ViewCell *ViewCellsManager::MergeViewCells(ViewCell &front, ViewCell &back) const
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[440] | 208 | {
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[462] | 209 | // generate merged view cell
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[440] | 210 | ViewCell *vc = GenerateViewCell();
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[462] | 211 |
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[440] | 212 | // merge pvs
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| 213 | vc->GetPvs().Merge(front.GetPvs(), back.GetPvs());
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| 214 |
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[462] | 215 | //-- merge ray sets
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[440] | 216 | stable_sort(front.mPiercingRays.begin(), front.mPiercingRays.end());
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| 217 | stable_sort(back.mPiercingRays.begin(), back.mPiercingRays.end());
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| 218 |
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| 219 | std::merge(front.mPiercingRays.begin(), front.mPiercingRays.end(),
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[503] | 220 | back.mPiercingRays.begin(), back.mPiercingRays.end(),
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[440] | 221 | vc->mPiercingRays.begin());
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| 222 |
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| 223 | return vc;
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| 224 | }
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| 225 |
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[485] | 226 |
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[480] | 227 | void ViewCellsManager::SetRenderer(Renderer *renderer)
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| 228 | {
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| 229 | mRenderer = renderer;
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| 230 | }
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[441] | 231 |
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[485] | 232 |
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[440] | 233 | ViewCell *ViewCellsManager::GenerateViewCell(Mesh *mesh) const
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| 234 | {
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| 235 | return new ViewCell(mesh);
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| 236 | }
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| 237 |
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| 238 |
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| 239 | void ViewCellsManager::SetVisualizationSamples(const int visSamples)
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| 240 | {
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[444] | 241 | mVisualizationSamples = visSamples;
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[440] | 242 | }
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| 243 |
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[485] | 244 |
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[440] | 245 | void ViewCellsManager::SetConstructionSamples(const int constructionSamples)
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| 246 | {
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| 247 | mConstructionSamples = constructionSamples;
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| 248 | }
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| 249 |
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[485] | 250 |
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[440] | 251 | void ViewCellsManager::SetPostProcessSamples(const int postProcessSamples)
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| 252 | {
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| 253 | mPostProcessSamples = postProcessSamples;
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| 254 | }
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| 255 |
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[485] | 256 |
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[440] | 257 | int ViewCellsManager::GetVisualizationSamples() const
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| 258 | {
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| 259 | return mVisualizationSamples;
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| 260 | }
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| 261 |
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[485] | 262 |
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[440] | 263 | int ViewCellsManager::GetConstructionSamples() const
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| 264 | {
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| 265 | return mConstructionSamples;
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| 266 | }
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| 267 |
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[485] | 268 |
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[440] | 269 | int ViewCellsManager::GetPostProcessSamples() const
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| 270 | {
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| 271 | return mPostProcessSamples;
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| 272 | }
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| 273 |
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[485] | 274 |
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| 275 | void ViewCellsManager::GetPvsStatistics(PvsStatistics &stat)
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[467] | 276 | {
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| 277 | ViewCellContainer::const_iterator it = mViewCells.begin();
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| 278 | stat.viewcells = 0;
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| 279 | stat.minPvs = 100000000;
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| 280 | stat.maxPvs = 0;
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| 281 | stat.avgPvs = 0.0f;
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| 282 |
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| 283 | for (; it != mViewCells.end(); ++it) {
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| 284 | ViewCell *viewcell = *it;
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| 285 | int pvsSize = viewcell->GetPvs().GetSize();
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| 286 | if ( pvsSize < stat.minPvs)
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| 287 | stat.minPvs = pvsSize;
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| 288 | if (pvsSize > stat.maxPvs)
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| 289 | stat.maxPvs = pvsSize;
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| 290 | stat.avgPvs += pvsSize;
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| 291 | stat.viewcells++;
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| 292 | }
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| 293 | if (stat.viewcells)
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| 294 | stat.avgPvs/=stat.viewcells;
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| 295 | }
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| 296 |
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[485] | 297 |
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[480] | 298 | void ViewCellsManager::PrintPvsStatistics(ostream &s)
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[467] | 299 | {
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| 300 | s<<"############# Viewcell PVS STAT ##################\n";
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| 301 | PvsStatistics pvsStat;
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| 302 | GetPvsStatistics(pvsStat);
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| 303 | s<<"#AVG_PVS\n"<<pvsStat.avgPvs<<endl;
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| 304 | s<<"#MAX_PVS\n"<<pvsStat.maxPvs<<endl;
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| 305 | s<<"#MIN_PVS\n"<<pvsStat.minPvs<<endl;
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| 306 | }
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| 307 |
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[485] | 308 |
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[468] | 309 | ViewCellContainer &ViewCellsManager::GetViewCells()
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| 310 | {
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| 311 | return mViewCells;
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| 312 | }
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| 313 |
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[485] | 314 |
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[487] | 315 | void ViewCellsManager::SetViewSpaceBox(const AxisAlignedBox3 &box)
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| 316 | {
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| 317 | mSceneBox = box;
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| 318 | }
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| 319 |
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| 320 |
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[519] | 321 | AxisAlignedBox3 ViewCellsManager::GetViewSpaceBox() const
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| 322 | {
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| 323 | return mSceneBox;
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| 324 | }
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| 325 |
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| 326 |
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[480] | 327 | void ViewCellsManager::ResetViewCells()
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| 328 | {
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| 329 | mViewCells.clear();
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[508] | 330 |
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[480] | 331 | CollectViewCells();
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[508] | 332 |
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[480] | 333 | mViewCellsStats.Reset();
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| 334 | EvaluateViewCellsStats();
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[520] | 335 | // has to be recomputed
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[480] | 336 | mTotalAreaValid = false;
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| 337 | }
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| 338 |
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[485] | 339 |
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[468] | 340 | void ViewCellsManager::ComputeSampleContributions(VssRay &ray)
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| 341 | {
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[492] | 342 | ViewCellContainer viewcells;
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[503] | 343 |
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[492] | 344 | ray.mPvsContribution = 0;
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| 345 | ray.mRelativePvsContribution = 0.0f;
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[485] | 346 |
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[492] | 347 | // matt TODO: remove this!!
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| 348 | Ray hray(ray);
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| 349 | float tmin = 0, tmax = 1.0;
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[519] | 350 |
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[492] | 351 | //hray.Init(ray.GetOrigin(), ray.GetDir(), Ray::LINE_SEGMENT);
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[519] | 352 | if (!GetViewSpaceBox().GetRaySegment(hray, tmin, tmax) || (tmin > tmax))
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[492] | 353 | return;
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[503] | 354 |
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[492] | 355 | Vector3 origin = hray.Extrap(tmin);
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| 356 | Vector3 termination = hray.Extrap(tmax);
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[503] | 357 |
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[492] | 358 | CastLineSegment(origin,
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| 359 | termination,
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| 360 | viewcells);
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[520] | 361 | //Debug << "constribution: " << (int)viewcells.size() << endl;
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[492] | 362 | // copy viewcells memory efficiently
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| 363 | const bool storeViewcells = false;
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| 364 | if (storeViewcells) {
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| 365 | ray.mViewCells.reserve(viewcells.size());
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| 366 | ray.mViewCells = viewcells;
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| 367 | }
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[503] | 368 |
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[492] | 369 | ViewCellContainer::const_iterator it = viewcells.begin();
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[483] | 370 |
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[492] | 371 | bool addInPlace = false;
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| 372 |
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| 373 | if (addInPlace) {
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[503] | 374 | for (; it != viewcells.end(); ++it) {
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[492] | 375 | ViewCell *viewcell = *it;
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[503] | 376 |
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[492] | 377 | // if ray not outside of view space
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| 378 | float contribution;
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[503] | 379 | bool added =
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[492] | 380 | viewcell->GetPvs().AddSample(ray.mTerminationObject,
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| 381 | contribution
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| 382 | );
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| 383 | if (added)
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| 384 | ray.mPvsContribution++;
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[503] | 385 |
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[492] | 386 | ray.mRelativePvsContribution += contribution;
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[486] | 387 | }
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[492] | 388 | } else {
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[503] | 389 | for (; it != viewcells.end(); ++it) {
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[492] | 390 | ViewCell *viewcell = *it;
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| 391 | // if ray not outside of view space
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| 392 | float contribution;
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| 393 | if (viewcell->GetPvs().GetSampleContribution(ray.mTerminationObject,
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| 394 | contribution
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| 395 | ))
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| 396 | ray.mPvsContribution++;
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[503] | 397 |
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[492] | 398 | ray.mRelativePvsContribution += contribution;
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| 399 | }
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| 400 |
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[503] | 401 | for (it = viewcells.begin(); it != viewcells.end(); ++it) {
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[492] | 402 | ViewCell *viewcell = *it;
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| 403 | // if ray not outside of view space
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| 404 | viewcell->GetPvs().AddSample(ray.mTerminationObject);
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| 405 | }
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| 406 | }
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[468] | 407 | }
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| 408 |
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| 409 |
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[469] | 410 | void ViewCellsManager::GetRaySets(const VssRayContainer &sourceRays,
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[485] | 411 | const int maxSize,
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[503] | 412 | VssRayContainer &usedRays,
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[485] | 413 | VssRayContainer *savedRays) const
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[469] | 414 | {
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[485] | 415 | const int limit = min(maxSize, (int)sourceRays.size());
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[473] | 416 | const float prop = (float)limit / ((float)sourceRays.size() + Limits::Small);
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[469] | 417 |
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[485] | 418 | VssRayContainer::const_iterator it, it_end = sourceRays.end();
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[469] | 419 | for (it = sourceRays.begin(); it != it_end; ++ it)
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| 420 | {
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[473] | 421 | if (Random(1.0f) < prop)
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[485] | 422 | usedRays.push_back(*it);
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| 423 | else if (savedRays)
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| 424 | savedRays->push_back(*it);
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[469] | 425 | }
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| 426 | }
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| 427 |
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[477] | 428 |
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| 429 | float ViewCellsManager::GetAccVcArea()
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[470] | 430 | {
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| 431 | // if already computed
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| 432 | if (mTotalAreaValid)
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| 433 | return mTotalArea;
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| 434 |
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| 435 | mTotalArea = 0;
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| 436 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
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| 437 |
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| 438 | for (it = mViewCells.begin(); it != it_end; ++ it)
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[480] | 439 | {
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| 440 | //Debug << "area: " << GetArea(*it);
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[470] | 441 | mTotalArea += GetArea(*it);
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[480] | 442 | }
|
---|
| 443 |
|
---|
[470] | 444 | mTotalAreaValid = true;
|
---|
| 445 |
|
---|
| 446 | return mTotalArea;
|
---|
| 447 | }
|
---|
| 448 |
|
---|
[482] | 449 |
|
---|
[475] | 450 | void ViewCellsManager::PrintStatistics(ostream &s) const
|
---|
| 451 | {
|
---|
| 452 | s << mViewCellsStats << endl;
|
---|
| 453 | }
|
---|
| 454 |
|
---|
[477] | 455 |
|
---|
[508] | 456 | void ViewCellsManager::CreateUniqueViewCellIds()
|
---|
[482] | 457 | {
|
---|
[508] | 458 | for (int i = 0; i < (int)mViewCells.size(); ++ i)
|
---|
| 459 | mViewCells[i]->SetId(i);
|
---|
| 460 | }
|
---|
| 461 |
|
---|
| 462 |
|
---|
| 463 | void ViewCellsManager::ExportViewCellsForViz(Exporter *exporter) const
|
---|
| 464 | {
|
---|
[482] | 465 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 466 |
|
---|
| 467 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 468 | {
|
---|
| 469 | ExportColor(exporter, *it);
|
---|
[485] | 470 | ExportVcGeometry(exporter, *it);
|
---|
[482] | 471 | }
|
---|
| 472 | }
|
---|
| 473 |
|
---|
| 474 |
|
---|
[517] | 475 | void ViewCellsManager::CreateViewCellMeshes()
|
---|
[503] | 476 | {
|
---|
| 477 | // convert to meshes
|
---|
| 478 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 479 |
|
---|
| 480 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 481 | {
|
---|
[517] | 482 | if (!(*it)->GetMesh())
|
---|
| 483 | CreateMesh(*it);
|
---|
[503] | 484 | }
|
---|
| 485 | }
|
---|
| 486 |
|
---|
[508] | 487 |
|
---|
| 488 | bool ViewCellsManager::ExportViewCells(const string filename)
|
---|
| 489 | {
|
---|
| 490 | return false;
|
---|
| 491 | }
|
---|
| 492 |
|
---|
| 493 |
|
---|
| 494 | void ViewCellsManager::ExportViewCell(ViewCell *viewCell, ofstream &stream)
|
---|
| 495 | {
|
---|
| 496 | stream << "<ViewCell id=\"" << viewCell->GetId() << "\" ";
|
---|
| 497 | stream << "pvs=\"";
|
---|
| 498 |
|
---|
| 499 | ObjectPvsMap::iterator it, it_end = viewCell->GetPvs().mEntries.end();
|
---|
| 500 | if(0) // test with empty pvs
|
---|
| 501 | for (it = viewCell->GetPvs().mEntries.begin(); it != it_end; ++ it)
|
---|
| 502 | {
|
---|
| 503 | stream << (*it).first->GetId() << " ";
|
---|
| 504 | }
|
---|
| 505 |
|
---|
| 506 | stream << "\" />" << endl;
|
---|
| 507 | }
|
---|
| 508 |
|
---|
| 509 |
|
---|
[440] | 510 | /**********************************************************************/
|
---|
| 511 | /* BspViewCellsManager implementation */
|
---|
| 512 | /**********************************************************************/
|
---|
| 513 |
|
---|
[482] | 514 |
|
---|
[503] | 515 | BspViewCellsManager::BspViewCellsManager(BspTree *bspTree,
|
---|
[469] | 516 | int constructionSamples):
|
---|
[503] | 517 | ViewCellsManager(constructionSamples),
|
---|
[440] | 518 | mBspTree(bspTree)
|
---|
| 519 | {
|
---|
| 520 | }
|
---|
| 521 |
|
---|
[462] | 522 |
|
---|
[440] | 523 | bool BspViewCellsManager::ViewCellsConstructed() const
|
---|
| 524 | {
|
---|
| 525 | return mBspTree->GetRoot() != NULL;
|
---|
| 526 | }
|
---|
| 527 |
|
---|
[480] | 528 |
|
---|
[440] | 529 | ViewCell *BspViewCellsManager::GenerateViewCell(Mesh *mesh) const
|
---|
| 530 | {
|
---|
| 531 | return new BspViewCell(mesh);
|
---|
| 532 | }
|
---|
| 533 |
|
---|
[480] | 534 |
|
---|
[503] | 535 | int BspViewCellsManager::Construct(const ObjectContainer &objects,
|
---|
[487] | 536 | const VssRayContainer &rays)
|
---|
[440] | 537 | {
|
---|
[441] | 538 | // if view cells were already constructed
|
---|
[440] | 539 | if (ViewCellsConstructed())
|
---|
| 540 | return 0;
|
---|
| 541 |
|
---|
| 542 | int sampleContributions = 0;
|
---|
[503] | 543 |
|
---|
[469] | 544 | // construct view cells using the collected samples
|
---|
| 545 | RayContainer constructionRays;
|
---|
| 546 | VssRayContainer savedRays;
|
---|
[440] | 547 |
|
---|
[469] | 548 | const int limit = min(mConstructionSamples, (int)rays.size());
|
---|
[440] | 549 |
|
---|
[469] | 550 | VssRayContainer::const_iterator it, it_end = rays.end();
|
---|
[448] | 551 |
|
---|
[473] | 552 | const float prop = (float)limit / ((float)rays.size() + Limits::Small);
|
---|
| 553 |
|
---|
[469] | 554 | for (it = rays.begin(); it != it_end; ++ it)
|
---|
| 555 | {
|
---|
[473] | 556 | if (Random(1.0f) < prop)
|
---|
[469] | 557 | constructionRays.push_back(new Ray(*(*it)));
|
---|
| 558 | else
|
---|
| 559 | savedRays.push_back(*it);
|
---|
| 560 | }
|
---|
[440] | 561 |
|
---|
[503] | 562 | if (mViewCells.empty())
|
---|
| 563 | {
|
---|
| 564 | // no view cells loaded
|
---|
[469] | 565 | mBspTree->Construct(objects, constructionRays);
|
---|
| 566 | // collect final view cells
|
---|
| 567 | mBspTree->CollectViewCells(mViewCells);
|
---|
[503] | 568 | }
|
---|
[469] | 569 | else
|
---|
| 570 | {
|
---|
| 571 | mBspTree->Construct(mViewCells);
|
---|
| 572 | }
|
---|
| 573 |
|
---|
| 574 | // destroy rays created only for construction
|
---|
| 575 | CLEAR_CONTAINER(constructionRays);
|
---|
| 576 |
|
---|
[440] | 577 | Debug << mBspTree->GetStatistics() << endl;
|
---|
[503] | 578 |
|
---|
| 579 | //EvaluateViewCellsStats();
|
---|
[480] | 580 | Debug << "\nView cells after construction:\n" << mViewCellsStats << endl;
|
---|
| 581 |
|
---|
[469] | 582 | // recast rest of the rays
|
---|
| 583 | ComputeSampleContributions(savedRays);
|
---|
| 584 |
|
---|
[503] | 585 |
|
---|
[440] | 586 | return sampleContributions;
|
---|
| 587 | }
|
---|
| 588 |
|
---|
[503] | 589 |
|
---|
[480] | 590 | void BspViewCellsManager::CollectViewCells()
|
---|
| 591 | {
|
---|
| 592 | mBspTree->CollectViewCells(mViewCells);
|
---|
| 593 | }
|
---|
[468] | 594 |
|
---|
[503] | 595 |
|
---|
[471] | 596 | float BspViewCellsManager::GetProbability(ViewCell *viewCell)
|
---|
[440] | 597 | {
|
---|
[471] | 598 | // compute view cell area as subsititute for probability
|
---|
[477] | 599 | #if 0
|
---|
[519] | 600 | return GetArea(viewCell) / GetViewSpaceBox().SurfaceArea();
|
---|
[477] | 601 | #else
|
---|
| 602 | return GetArea(viewCell) / GetAccVcArea();
|
---|
| 603 | #endif
|
---|
[466] | 604 | }
|
---|
[440] | 605 |
|
---|
[503] | 606 |
|
---|
[469] | 607 | float BspViewCellsManager::GetRendercost(ViewCell *viewCell, float objRendercost) const
|
---|
[466] | 608 | {
|
---|
[468] | 609 | return viewCell->GetPvs().GetSize() * objRendercost;
|
---|
[440] | 610 | }
|
---|
| 611 |
|
---|
[468] | 612 |
|
---|
| 613 | int BspViewCellsManager::CastLineSegment(const Vector3 &origin,
|
---|
| 614 | const Vector3 &termination,
|
---|
| 615 | ViewCellContainer &viewcells)
|
---|
[440] | 616 | {
|
---|
[468] | 617 | return mBspTree->CastLineSegment(origin, termination, viewcells);
|
---|
| 618 | }
|
---|
| 619 |
|
---|
| 620 |
|
---|
[503] | 621 | int BspViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
[468] | 622 | const VssRayContainer &rays)
|
---|
| 623 | {
|
---|
[469] | 624 | if (!ViewCellsConstructed())
|
---|
[441] | 625 | {
|
---|
| 626 | Debug << "view cells not constructed" << endl;
|
---|
| 627 | return 0;
|
---|
| 628 | }
|
---|
| 629 |
|
---|
[440] | 630 | //-- post processing of bsp view cells
|
---|
| 631 | int vcSize = 0;
|
---|
| 632 | int pvsSize = 0;
|
---|
| 633 |
|
---|
[480] | 634 | EvaluateViewCellsStats();
|
---|
[485] | 635 | Debug << "\noriginal view cell partition:\n" << mViewCellsStats << endl;
|
---|
[480] | 636 |
|
---|
| 637 | mRenderer->RenderScene();
|
---|
| 638 | SimulationStatistics ss;
|
---|
| 639 | dynamic_cast<RenderSimulator *>(mRenderer)->GetStatistics(ss);
|
---|
| 640 |
|
---|
| 641 | Debug << ss << endl;
|
---|
| 642 |
|
---|
[477] | 643 | if (1) // export view cells
|
---|
[440] | 644 | {
|
---|
| 645 | cout << "exporting initial view cells (=leaves) ... ";
|
---|
| 646 | Exporter *exporter = Exporter::GetExporter("view_cells.x3d");
|
---|
[503] | 647 |
|
---|
[440] | 648 | if (exporter)
|
---|
| 649 | {
|
---|
[477] | 650 | //exporter->SetWireframe();
|
---|
| 651 | exporter->SetFilled();
|
---|
[508] | 652 | ExportViewCellsForViz(exporter);
|
---|
[503] | 653 |
|
---|
[485] | 654 | if (mExportGeometry)
|
---|
[440] | 655 | {
|
---|
[477] | 656 | Material m;
|
---|
[440] | 657 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 658 | exporter->SetForcedMaterial(m);
|
---|
| 659 | exporter->SetWireframe();
|
---|
| 660 |
|
---|
| 661 | exporter->ExportGeometry(objects);
|
---|
| 662 | }
|
---|
| 663 |
|
---|
| 664 | delete exporter;
|
---|
| 665 | }
|
---|
| 666 | cout << "finished" << endl;
|
---|
| 667 | }
|
---|
| 668 |
|
---|
| 669 | cout << "starting post processing using " << mPostProcessSamples << " samples ... ";
|
---|
[503] | 670 |
|
---|
[440] | 671 | long startTime = GetTime();
|
---|
| 672 |
|
---|
[477] | 673 |
|
---|
[466] | 674 | // $$JB we do not have connectivity information from the ray in the moment
|
---|
[485] | 675 | // perhaps we could recast the rays or remember the cells traversed inside the
|
---|
[466] | 676 | // vssray (which would on other hand create some overhead)
|
---|
[440] | 677 | //-- merge or subdivide view cells
|
---|
| 678 | int merged = 0;
|
---|
| 679 |
|
---|
[475] | 680 | vector<BspIntersection>::const_iterator iit;
|
---|
[485] | 681 | CLEAR_CONTAINER(mBspRays);
|
---|
| 682 | ConstructBspRays(rays, mPostProcessSamples);
|
---|
[503] | 683 |
|
---|
[477] | 684 | for (int i = 0; i < (int)mBspRays.size(); ++ i)
|
---|
[503] | 685 | {
|
---|
[477] | 686 | BspRay *ray = mBspRays[i];
|
---|
[503] | 687 |
|
---|
[440] | 688 | // traverse leaves stored in the rays and compare and merge consecutive
|
---|
| 689 | // leaves (i.e., the neighbors in the tree)
|
---|
[477] | 690 | if (ray->intersections.size() < 2)
|
---|
[440] | 691 | continue;
|
---|
[503] | 692 |
|
---|
[477] | 693 | iit = ray->intersections.begin();
|
---|
[440] | 694 |
|
---|
| 695 | BspLeaf *previousLeaf = (*iit).mLeaf;
|
---|
| 696 | ++ iit;
|
---|
[503] | 697 |
|
---|
[477] | 698 | for (; iit != ray->intersections.end(); ++ iit)
|
---|
[440] | 699 | {
|
---|
| 700 | BspLeaf *leaf = (*iit).mLeaf;
|
---|
| 701 |
|
---|
[441] | 702 | if (ShouldMerge(leaf, previousLeaf))
|
---|
[503] | 703 | {
|
---|
[441] | 704 | MergeBspLeafViewCells(leaf, previousLeaf);
|
---|
[440] | 705 |
|
---|
| 706 | ++ merged;
|
---|
| 707 | }
|
---|
[503] | 708 |
|
---|
[440] | 709 | previousLeaf = leaf;
|
---|
| 710 | }
|
---|
| 711 | }
|
---|
[477] | 712 |
|
---|
[440] | 713 | //-- stats and visualizations
|
---|
| 714 | cout << "finished" << endl;
|
---|
| 715 | cout << "merged " << merged << " view cells in "
|
---|
| 716 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl;
|
---|
| 717 |
|
---|
[475] | 718 | Debug << "Postprocessing: Merged " << merged << " view cells in "
|
---|
[503] | 719 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs"
|
---|
[485] | 720 | << "using " << (int)mBspRays.size() << " samples" << endl << endl;
|
---|
[503] | 721 |
|
---|
[485] | 722 | CLEAR_CONTAINER(mBspRays);
|
---|
| 723 |
|
---|
[477] | 724 | // reset view cells and stats
|
---|
[480] | 725 | ResetViewCells();
|
---|
[475] | 726 |
|
---|
[440] | 727 | return merged;
|
---|
| 728 | }
|
---|
| 729 |
|
---|
[477] | 730 |
|
---|
| 731 | BspViewCellsManager::~BspViewCellsManager()
|
---|
| 732 | {
|
---|
| 733 | CLEAR_CONTAINER(mBspRays);
|
---|
| 734 | }
|
---|
| 735 |
|
---|
| 736 |
|
---|
[440] | 737 | int BspViewCellsManager::GetType() const
|
---|
| 738 | {
|
---|
| 739 | return BSP;
|
---|
| 740 | }
|
---|
| 741 |
|
---|
| 742 |
|
---|
| 743 | void BspViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
[466] | 744 | const VssRayContainer &sampleRays)
|
---|
[440] | 745 | {
|
---|
[469] | 746 | if (!ViewCellsConstructed())
|
---|
| 747 | return;
|
---|
[485] | 748 | CLEAR_CONTAINER(mBspRays);
|
---|
| 749 | ConstructBspRays(sampleRays, mVisualizationSamples);
|
---|
[503] | 750 |
|
---|
[469] | 751 | if (1) // export view cells
|
---|
[440] | 752 | {
|
---|
[469] | 753 | cout << "exporting view cells after merge ... ";
|
---|
| 754 | Exporter *exporter = Exporter::GetExporter("merged_view_cells.x3d");
|
---|
[477] | 755 |
|
---|
[469] | 756 | if (exporter)
|
---|
[440] | 757 | {
|
---|
[508] | 758 | ExportViewCellsForViz(exporter);
|
---|
[469] | 759 | delete exporter;
|
---|
[440] | 760 | }
|
---|
[503] | 761 |
|
---|
[469] | 762 | cout << "finished" << endl;
|
---|
[503] | 763 | }
|
---|
[477] | 764 |
|
---|
[469] | 765 | //-- visualization of the BSP splits
|
---|
| 766 | bool exportSplits = false;
|
---|
| 767 | environment->GetBoolValue("BspTree.Visualization.exportSplits", exportSplits);
|
---|
[503] | 768 |
|
---|
[469] | 769 | if (exportSplits)
|
---|
[440] | 770 | {
|
---|
[469] | 771 | cout << "exporting splits ... ";
|
---|
[477] | 772 | ExportSplits(objects);
|
---|
[469] | 773 | cout << "finished" << endl;
|
---|
[440] | 774 | }
|
---|
[477] | 775 |
|
---|
| 776 | ExportBspPvs(objects);
|
---|
[440] | 777 | }
|
---|
| 778 |
|
---|
| 779 |
|
---|
[503] | 780 | inline bool vc_gt(ViewCell *a, ViewCell *b)
|
---|
| 781 | {
|
---|
[440] | 782 | return a->GetPvs().GetSize() > b->GetPvs().GetSize();
|
---|
| 783 | }
|
---|
| 784 |
|
---|
[477] | 785 |
|
---|
| 786 | void BspViewCellsManager::ExportSplits(const ObjectContainer &objects)
|
---|
[440] | 787 | {
|
---|
| 788 | Exporter *exporter = Exporter::GetExporter("bsp_splits.x3d");
|
---|
| 789 |
|
---|
[503] | 790 | if (exporter)
|
---|
| 791 | {
|
---|
| 792 | Material m;
|
---|
[440] | 793 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 794 | exporter->SetForcedMaterial(m);
|
---|
| 795 | exporter->SetWireframe();
|
---|
[503] | 796 |
|
---|
[440] | 797 | exporter->ExportBspSplits(*mBspTree, true);
|
---|
| 798 |
|
---|
[482] | 799 | //NOTE: take forced material, else big scenes cannot be viewed
|
---|
[440] | 800 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 801 | exporter->SetForcedMaterial(m);
|
---|
[482] | 802 | //exporter->ResetForcedMaterial();
|
---|
| 803 |
|
---|
[440] | 804 | exporter->SetFilled();
|
---|
[503] | 805 |
|
---|
[440] | 806 | // export rays
|
---|
[477] | 807 | if (0)
|
---|
[440] | 808 | {
|
---|
[469] | 809 | VssRayContainer outRays;
|
---|
[503] | 810 |
|
---|
[477] | 811 | int raysSize = min((int)mBspRays.size(), mVisualizationSamples);
|
---|
| 812 |
|
---|
[469] | 813 | for (int i = 0; i < raysSize; ++ i)
|
---|
| 814 | // only rays piercing geometry
|
---|
[477] | 815 | outRays.push_back(mBspRays[i]->vssRay);
|
---|
[503] | 816 |
|
---|
| 817 | // export rays
|
---|
[469] | 818 | exporter->ExportRays(outRays, RgbColor(1, 1, 0));
|
---|
[440] | 819 | }
|
---|
[477] | 820 |
|
---|
[485] | 821 | if (mExportGeometry)
|
---|
[469] | 822 | exporter->ExportGeometry(objects);
|
---|
[477] | 823 |
|
---|
[440] | 824 | delete exporter;
|
---|
| 825 | }
|
---|
| 826 | }
|
---|
| 827 |
|
---|
[477] | 828 |
|
---|
| 829 | void BspViewCellsManager::ExportBspPvs(const ObjectContainer &objects)
|
---|
[440] | 830 | {
|
---|
[477] | 831 | const int leafOut = 10;
|
---|
[503] | 832 |
|
---|
[477] | 833 | ViewCell::NewMail();
|
---|
[440] | 834 |
|
---|
[477] | 835 | //-- some rays for output
|
---|
| 836 | const int raysOut = min((int)mBspRays.size(), mVisualizationSamples);
|
---|
[503] | 837 |
|
---|
[477] | 838 | cout << "visualization using " << mVisualizationSamples << " samples" << endl;
|
---|
| 839 | Debug << "\nOutput view cells: " << endl;
|
---|
[503] | 840 |
|
---|
[478] | 841 | // sort view cells to get largest view cells
|
---|
| 842 | #if 0
|
---|
| 843 | stable_sort(mViewCells.begin(), mViewCells.end(), vc_gt);
|
---|
| 844 | #endif
|
---|
[503] | 845 | int limit = min(leafOut, (int)mViewCells.size());
|
---|
| 846 |
|
---|
[478] | 847 | for (int i = 0; i < limit; ++ i)
|
---|
[477] | 848 | {
|
---|
[478] | 849 | cout << "creating output for view cell " << i << " ... ";
|
---|
| 850 | VssRayContainer vcRays;
|
---|
| 851 | Intersectable::NewMail();
|
---|
| 852 | #if 0
|
---|
| 853 | BspViewCell *vc = dynamic_cast<BspViewCell *>(mViewCells[i]);
|
---|
| 854 | #else
|
---|
| 855 | BspViewCell *vc = dynamic_cast<BspViewCell *>(mViewCells[Random((int)mViewCells.size())]);
|
---|
| 856 | #endif
|
---|
| 857 | cout << "creating output for view cell " << i << " ... ";
|
---|
[469] | 858 |
|
---|
[478] | 859 | #if 0
|
---|
| 860 | // check whether we can add the current ray to the output rays
|
---|
[503] | 861 | for (int k = 0; k < raysOut; ++ k)
|
---|
[477] | 862 | {
|
---|
[478] | 863 | BspRay *ray = mBspRays[k];
|
---|
| 864 | for (int j = 0; j < (int)ray->intersections.size(); ++ j)
|
---|
[477] | 865 | {
|
---|
[478] | 866 | BspLeaf *leaf = ray->intersections[j].mLeaf;
|
---|
[503] | 867 | if (vc == leaf->GetViewCell())
|
---|
[478] | 868 | vcRays.push_back(ray->vssRay);
|
---|
[477] | 869 | }
|
---|
| 870 | }
|
---|
[478] | 871 | #endif
|
---|
| 872 | //bspLeaves[j]->Mail();
|
---|
| 873 | char s[64]; sprintf(s, "bsp-pvs%04d.x3d", i);
|
---|
[477] | 874 |
|
---|
[478] | 875 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
[503] | 876 |
|
---|
[478] | 877 | exporter->SetWireframe();
|
---|
[477] | 878 |
|
---|
[478] | 879 | Material m;//= RandomMaterial();
|
---|
| 880 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 881 | exporter->SetForcedMaterial(m);
|
---|
[477] | 882 |
|
---|
[478] | 883 | if (vc->GetMesh())
|
---|
| 884 | exporter->ExportViewCell(vc);
|
---|
| 885 | else
|
---|
| 886 | {
|
---|
[503] | 887 | BspNodeGeometry vcGeom;
|
---|
| 888 |
|
---|
[478] | 889 | //-- export view cell
|
---|
| 890 | mBspTree->ConstructGeometry(vc, vcGeom);
|
---|
[503] | 891 | exporter->ExportPolygons(vcGeom.mPolys);
|
---|
[478] | 892 | }
|
---|
[503] | 893 |
|
---|
| 894 | Debug << i << ": pvs size=" << (int)vc->GetPvs().GetSize()
|
---|
[485] | 895 | << ", piercing rays=" << (int)vcRays.size()
|
---|
| 896 | << ", leaves=" << (int)vc->mLeaves.size() << endl;
|
---|
[477] | 897 |
|
---|
[503] | 898 |
|
---|
[478] | 899 | // export rays piercing this view cell
|
---|
| 900 | #if 0
|
---|
| 901 | exporter->ExportRays(vcRays, RgbColor(0, 1, 0));
|
---|
| 902 | #else
|
---|
| 903 | vector<BspLeaf *>::const_iterator lit, lit_end = vc->mLeaves.end();
|
---|
| 904 | for (lit = vc->mLeaves.begin(); lit != lit_end; ++ lit)
|
---|
| 905 | exporter->ExportRays((*lit)->mVssRays);
|
---|
| 906 | #endif
|
---|
| 907 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 908 | exporter->SetForcedMaterial(m);
|
---|
[440] | 909 |
|
---|
[478] | 910 | ObjectPvsMap::const_iterator it,
|
---|
| 911 | it_end = vc->GetPvs().mEntries.end();
|
---|
[440] | 912 |
|
---|
[478] | 913 | exporter->SetFilled();
|
---|
[469] | 914 |
|
---|
[478] | 915 | // output PVS of view cell
|
---|
[503] | 916 | for (it = vc->GetPvs().mEntries.begin(); it != it_end; ++ it)
|
---|
[478] | 917 | {
|
---|
| 918 | Intersectable *intersect = (*it).first;
|
---|
[469] | 919 |
|
---|
[478] | 920 | if (!intersect->Mailed())
|
---|
| 921 | {
|
---|
| 922 | Material m = RandomMaterial();
|
---|
| 923 | exporter->SetForcedMaterial(m);
|
---|
| 924 |
|
---|
| 925 | exporter->ExportIntersectable(intersect);
|
---|
| 926 | intersect->Mail();
|
---|
[503] | 927 | }
|
---|
[477] | 928 | }
|
---|
[503] | 929 |
|
---|
[478] | 930 | DEL_PTR(exporter);
|
---|
| 931 | cout << "finished" << endl;
|
---|
[477] | 932 | }
|
---|
| 933 |
|
---|
| 934 | Debug << endl;
|
---|
[440] | 935 | }
|
---|
| 936 |
|
---|
[441] | 937 |
|
---|
[463] | 938 | bool BspViewCellsManager::MergeBspLeafViewCells(BspLeaf *front, BspLeaf *back) const
|
---|
| 939 | {
|
---|
[503] | 940 | BspViewCell *viewCell =
|
---|
| 941 | dynamic_cast<BspViewCell *>(MergeViewCells(*front->GetViewCell(),
|
---|
[478] | 942 | *back->GetViewCell()));
|
---|
[503] | 943 |
|
---|
[463] | 944 | if (!viewCell)
|
---|
| 945 | return false;
|
---|
| 946 |
|
---|
| 947 | //-- change pointer to view cells of all leaves associated with the previous view cells
|
---|
| 948 | BspViewCell *fVc = front->GetViewCell();
|
---|
| 949 | BspViewCell *bVc = back->GetViewCell();
|
---|
| 950 |
|
---|
[469] | 951 | vector<BspLeaf *> fLeaves = fVc->mLeaves;
|
---|
| 952 | vector<BspLeaf *> bLeaves = bVc->mLeaves;
|
---|
[463] | 953 |
|
---|
| 954 | vector<BspLeaf *>::const_iterator it;
|
---|
[503] | 955 |
|
---|
[463] | 956 | for (it = fLeaves.begin(); it != fLeaves.end(); ++ it)
|
---|
| 957 | {
|
---|
| 958 | (*it)->SetViewCell(viewCell);
|
---|
[469] | 959 | viewCell->mLeaves.push_back(*it);
|
---|
[463] | 960 | }
|
---|
| 961 | for (it = bLeaves.begin(); it != bLeaves.end(); ++ it)
|
---|
| 962 | {
|
---|
| 963 | (*it)->SetViewCell(viewCell);
|
---|
[469] | 964 | viewCell->mLeaves.push_back(*it);
|
---|
[463] | 965 | }
|
---|
[503] | 966 |
|
---|
[463] | 967 | DEL_PTR(fVc);
|
---|
| 968 | DEL_PTR(bVc);
|
---|
| 969 |
|
---|
| 970 | return true;
|
---|
| 971 | }
|
---|
| 972 |
|
---|
| 973 | bool BspViewCellsManager::ShouldMerge(BspLeaf *front, BspLeaf *back) const
|
---|
| 974 | {
|
---|
| 975 | ViewCell *fvc = front->GetViewCell();
|
---|
| 976 | ViewCell *bvc = back->GetViewCell();
|
---|
| 977 |
|
---|
| 978 | if ((fvc == mBspTree->GetRootCell()) || (bvc == mBspTree->GetRootCell()) || (fvc == bvc))
|
---|
| 979 | return false;
|
---|
| 980 |
|
---|
| 981 | int fdiff = fvc->GetPvs().Diff(bvc->GetPvs());
|
---|
| 982 |
|
---|
| 983 | if (fvc->GetPvs().GetSize() + fdiff < mMaxPvs)
|
---|
| 984 | {
|
---|
[503] | 985 | if ((fvc->GetPvs().GetSize() < mMinPvs) ||
|
---|
[463] | 986 | (bvc->GetPvs().GetSize() < mMinPvs) ||
|
---|
| 987 | ((fdiff < mMinPvsDif) && (bvc->GetPvs().Diff(fvc->GetPvs()) < mMinPvsDif)))
|
---|
| 988 | {
|
---|
| 989 | return true;
|
---|
| 990 | }
|
---|
| 991 | }
|
---|
[503] | 992 |
|
---|
[463] | 993 | return false;
|
---|
| 994 | }
|
---|
| 995 |
|
---|
[441] | 996 |
|
---|
[477] | 997 | void BspViewCellsManager::ConstructBspRays(const VssRayContainer &rays,
|
---|
| 998 | const int numSamples)
|
---|
| 999 | {
|
---|
| 1000 | VssRayContainer::const_iterator it, it_end = rays.end();
|
---|
[467] | 1001 |
|
---|
[477] | 1002 | for (it = rays.begin(); it != rays.end() && mBspRays.size() < numSamples; ++ it)
|
---|
| 1003 | {
|
---|
| 1004 | VssRay *vssRay = *it;
|
---|
| 1005 | BspRay *ray = new BspRay(vssRay);
|
---|
| 1006 |
|
---|
| 1007 | ViewCellContainer viewCells;
|
---|
| 1008 |
|
---|
[483] | 1009 | // cast line segment to get intersections with bsp leaves
|
---|
[477] | 1010 | CastLineSegment(vssRay->mTermination, vssRay->mOrigin, viewCells);
|
---|
| 1011 |
|
---|
| 1012 | ViewCellContainer::const_iterator vit, vit_end = viewCells.end();
|
---|
| 1013 | for (vit = viewCells.begin(); vit != vit_end; ++ vit)
|
---|
| 1014 | {
|
---|
| 1015 | BspViewCell *vc = dynamic_cast<BspViewCell *>(*vit);
|
---|
| 1016 | ray->intersections.push_back(BspIntersection(0, vc->mLeaves[0]));
|
---|
| 1017 | }
|
---|
| 1018 |
|
---|
| 1019 | mBspRays.push_back(ray);
|
---|
| 1020 | }
|
---|
| 1021 | }
|
---|
| 1022 |
|
---|
| 1023 |
|
---|
[503] | 1024 | void BspViewCellsManager::ExportColor(Exporter *exporter,
|
---|
[482] | 1025 | ViewCell *vc) const
|
---|
| 1026 | {
|
---|
| 1027 | if (mColorCode == 0) // Random color
|
---|
| 1028 | {
|
---|
| 1029 | exporter->ResetForcedMaterial();
|
---|
| 1030 | return;
|
---|
| 1031 | }
|
---|
| 1032 |
|
---|
| 1033 | float importance = 0;
|
---|
| 1034 |
|
---|
| 1035 | switch (mColorCode)
|
---|
| 1036 | {
|
---|
| 1037 | case 1: // pvs
|
---|
| 1038 | {
|
---|
[503] | 1039 | importance = (float)vc->GetPvs().GetSize() /
|
---|
[482] | 1040 | (float)mViewCellsStats.maxPvs;
|
---|
| 1041 | }
|
---|
| 1042 | break;
|
---|
| 1043 | case 2: // merges
|
---|
| 1044 | {
|
---|
| 1045 | BspViewCell *bspVc = dynamic_cast<BspViewCell *>(vc);
|
---|
| 1046 |
|
---|
[503] | 1047 | importance = (float)bspVc->mLeaves.size() /
|
---|
[482] | 1048 | (float)mViewCellsStats.maxLeaves;
|
---|
| 1049 | }
|
---|
| 1050 | break;
|
---|
| 1051 | case 3: // merge tree differene
|
---|
| 1052 | {
|
---|
| 1053 | // TODO
|
---|
| 1054 | }
|
---|
| 1055 | break;
|
---|
| 1056 | default:
|
---|
| 1057 | break;
|
---|
| 1058 | }
|
---|
| 1059 |
|
---|
| 1060 | Material m;
|
---|
| 1061 | m.mDiffuseColor.b = 1.0f;
|
---|
| 1062 | m.mDiffuseColor.r = importance;
|
---|
| 1063 | m.mDiffuseColor.g = 1.0f - m.mDiffuseColor.r;
|
---|
[503] | 1064 |
|
---|
[482] | 1065 | exporter->SetForcedMaterial(m);
|
---|
| 1066 | }
|
---|
| 1067 |
|
---|
[503] | 1068 | void BspViewCellsManager::ExportVcGeometry(Exporter *exporter,
|
---|
[482] | 1069 | ViewCell *vc) const
|
---|
| 1070 | {
|
---|
| 1071 | if (vc->GetMesh())
|
---|
| 1072 | exporter->ExportViewCell(vc);
|
---|
| 1073 | else
|
---|
| 1074 | {
|
---|
[503] | 1075 | BspNodeGeometry geom;
|
---|
[485] | 1076 | mBspTree->ConstructGeometry(
|
---|
[503] | 1077 | dynamic_cast<BspViewCell *>(vc), geom);
|
---|
| 1078 | exporter->ExportPolygons(geom.mPolys);
|
---|
[482] | 1079 | }
|
---|
| 1080 | }
|
---|
| 1081 |
|
---|
[503] | 1082 |
|
---|
| 1083 | void BspViewCellsManager::CreateMesh(ViewCell *vc)
|
---|
| 1084 | {
|
---|
| 1085 | }
|
---|
| 1086 |
|
---|
[502] | 1087 | ViewCell *
|
---|
| 1088 | BspViewCellsManager::GetViewCell(const Vector3 &point)
|
---|
| 1089 | {
|
---|
| 1090 | if (!mBspTree)
|
---|
| 1091 | return NULL;
|
---|
| 1092 | return mBspTree->GetViewCell(point);
|
---|
| 1093 | }
|
---|
| 1094 |
|
---|
[440] | 1095 | /**********************************************************************/
|
---|
| 1096 | /* KdViewCellsManager implementation */
|
---|
| 1097 | /**********************************************************************/
|
---|
| 1098 |
|
---|
[503] | 1099 |
|
---|
| 1100 |
|
---|
[440] | 1101 | KdViewCellsManager::KdViewCellsManager(KdTree *kdTree):
|
---|
[469] | 1102 | ViewCellsManager(), mKdTree(kdTree), mKdPvsDepth(100)
|
---|
[440] | 1103 | {
|
---|
| 1104 | }
|
---|
| 1105 |
|
---|
[471] | 1106 | float KdViewCellsManager::GetProbability(ViewCell *viewCell)
|
---|
[468] | 1107 | {
|
---|
[479] | 1108 | // compute view cell area / volume as subsititute for probability
|
---|
[477] | 1109 | #if 0
|
---|
[519] | 1110 | return GetArea(viewCell) / GetViewSpaceBox().SurfaceArea();
|
---|
[479] | 1111 | #endif
|
---|
| 1112 | #if 1
|
---|
[477] | 1113 | return GetArea(viewCell) / GetAccVcArea();
|
---|
| 1114 | #endif
|
---|
[479] | 1115 | #if 0
|
---|
[519] | 1116 | return GetVolume(viewCell) / GetViewSpaceBox().GetVolume();
|
---|
[479] | 1117 | #endif
|
---|
[468] | 1118 | }
|
---|
| 1119 |
|
---|
| 1120 |
|
---|
[469] | 1121 | float KdViewCellsManager::GetRendercost(ViewCell *viewCell, float objRendercost) const
|
---|
[468] | 1122 | {
|
---|
[469] | 1123 | return viewCell->GetPvs().GetSize() * objRendercost;
|
---|
[468] | 1124 | }
|
---|
| 1125 |
|
---|
[479] | 1126 |
|
---|
[480] | 1127 | void KdViewCellsManager::CollectViewCells()
|
---|
| 1128 | {
|
---|
| 1129 | //mKdTree->CollectViewCells(mViewCells); TODO
|
---|
| 1130 | }
|
---|
[479] | 1131 |
|
---|
[519] | 1132 |
|
---|
[503] | 1133 | int KdViewCellsManager::Construct(const ObjectContainer &objects,
|
---|
[487] | 1134 | const VssRayContainer &rays)
|
---|
[440] | 1135 | {
|
---|
[441] | 1136 | // if view cells already constructed
|
---|
[440] | 1137 | if (ViewCellsConstructed())
|
---|
| 1138 | return 0;
|
---|
[441] | 1139 |
|
---|
[440] | 1140 | mKdTree->Construct();
|
---|
| 1141 |
|
---|
[480] | 1142 | mTotalAreaValid = false;
|
---|
[469] | 1143 | // create the view cells
|
---|
| 1144 | mKdTree->CreateAndCollectViewCells(mViewCells);
|
---|
[503] | 1145 |
|
---|
[480] | 1146 | // cast rays
|
---|
| 1147 | ComputeSampleContributions(rays);
|
---|
| 1148 |
|
---|
[479] | 1149 | EvaluateViewCellsStats();
|
---|
[480] | 1150 | Debug << "\nView cells after construction:\n" << mViewCellsStats << endl;
|
---|
[469] | 1151 |
|
---|
[440] | 1152 | return 0;
|
---|
| 1153 | }
|
---|
| 1154 |
|
---|
| 1155 | bool KdViewCellsManager::ViewCellsConstructed() const
|
---|
| 1156 | {
|
---|
| 1157 | return mKdTree->GetRoot() != NULL;
|
---|
| 1158 | }
|
---|
| 1159 |
|
---|
[503] | 1160 | int KdViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
[466] | 1161 | const VssRayContainer &rays)
|
---|
[440] | 1162 | {
|
---|
| 1163 | return 0;
|
---|
| 1164 | }
|
---|
| 1165 |
|
---|
| 1166 | void KdViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
[466] | 1167 | const VssRayContainer &sampleRays)
|
---|
[440] | 1168 | {
|
---|
[441] | 1169 | if (!ViewCellsConstructed())
|
---|
| 1170 | return;
|
---|
| 1171 |
|
---|
[469] | 1172 | // using view cells instead of the kd PVS of objects
|
---|
| 1173 | const bool useViewCells = true;
|
---|
| 1174 | bool exportRays = false;
|
---|
[440] | 1175 |
|
---|
| 1176 | int limit = min(mVisualizationSamples, (int)sampleRays.size());
|
---|
[469] | 1177 | const int pvsOut = min((int)objects.size(), 10);
|
---|
[466] | 1178 | VssRayContainer *rays = new VssRayContainer[pvsOut];
|
---|
[440] | 1179 |
|
---|
[469] | 1180 | if (useViewCells)
|
---|
[440] | 1181 | {
|
---|
[469] | 1182 | const int leafOut = 10;
|
---|
[503] | 1183 |
|
---|
[469] | 1184 | ViewCell::NewMail();
|
---|
[503] | 1185 |
|
---|
[469] | 1186 | //-- some rays for output
|
---|
| 1187 | const int raysOut = min((int)sampleRays.size(), mVisualizationSamples);
|
---|
| 1188 | Debug << "visualization using " << raysOut << " samples" << endl;
|
---|
| 1189 |
|
---|
| 1190 | //-- some random view cells and rays for output
|
---|
| 1191 | vector<KdLeaf *> kdLeaves;
|
---|
[503] | 1192 |
|
---|
[469] | 1193 | for (int i = 0; i < leafOut; ++ i)
|
---|
| 1194 | kdLeaves.push_back(dynamic_cast<KdLeaf *>(mKdTree->GetRandomLeaf()));
|
---|
[503] | 1195 |
|
---|
[469] | 1196 | for (int i = 0; i < kdLeaves.size(); ++ i)
|
---|
[440] | 1197 | {
|
---|
[469] | 1198 | KdLeaf *leaf = kdLeaves[i];
|
---|
| 1199 | RayContainer vcRays;
|
---|
[503] | 1200 |
|
---|
[469] | 1201 | cout << "creating output for view cell " << i << " ... ";
|
---|
[503] | 1202 | #if 0
|
---|
[469] | 1203 | // check whether we can add the current ray to the output rays
|
---|
[503] | 1204 | for (int k = 0; k < raysOut; ++ k)
|
---|
[440] | 1205 | {
|
---|
[469] | 1206 | Ray *ray = sampleRays[k];
|
---|
[503] | 1207 |
|
---|
[469] | 1208 | for (int j = 0; j < (int)ray->bspIntersections.size(); ++ j)
|
---|
| 1209 | {
|
---|
| 1210 | BspLeaf *leaf2 = ray->bspIntersections[j].mLeaf;
|
---|
[503] | 1211 |
|
---|
| 1212 | if (leaf->GetViewCell() == leaf2->GetViewCell())
|
---|
[469] | 1213 | {
|
---|
| 1214 | vcRays.push_back(ray);
|
---|
| 1215 | }
|
---|
| 1216 | }
|
---|
[479] | 1217 | }
|
---|
[503] | 1218 | #endif
|
---|
[469] | 1219 | Intersectable::NewMail();
|
---|
[503] | 1220 |
|
---|
[469] | 1221 | ViewCell *vc = leaf->mViewCell;
|
---|
[503] | 1222 |
|
---|
[469] | 1223 | //bspLeaves[j]->Mail();
|
---|
| 1224 | char s[64]; sprintf(s, "kd-pvs%04d.x3d", i);
|
---|
[503] | 1225 |
|
---|
[469] | 1226 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
| 1227 | exporter->SetFilled();
|
---|
| 1228 |
|
---|
| 1229 | exporter->SetWireframe();
|
---|
| 1230 | //exporter->SetFilled();
|
---|
[503] | 1231 |
|
---|
[469] | 1232 | Material m;//= RandomMaterial();
|
---|
| 1233 | m.mDiffuseColor = RgbColor(1, 1, 0);
|
---|
| 1234 | exporter->SetForcedMaterial(m);
|
---|
[503] | 1235 |
|
---|
[469] | 1236 | AxisAlignedBox3 box = mKdTree->GetBox(leaf);
|
---|
| 1237 | exporter->ExportBox(box);
|
---|
| 1238 |
|
---|
[503] | 1239 | Debug << i << ": pvs size=" << (int)vc->GetPvs().GetSize()
|
---|
[469] | 1240 | << ", piercing rays=" << (int)vcRays.size() << endl;
|
---|
[503] | 1241 |
|
---|
[469] | 1242 | // export rays piercing this view cell
|
---|
[503] | 1243 | exporter->ExportRays(vcRays, 1000, RgbColor(0, 1, 0));
|
---|
| 1244 |
|
---|
[469] | 1245 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 1246 | exporter->SetForcedMaterial(m);
|
---|
[503] | 1247 |
|
---|
[469] | 1248 | // exporter->SetWireframe();
|
---|
| 1249 | exporter->SetFilled();
|
---|
[503] | 1250 |
|
---|
[469] | 1251 | ObjectPvsMap::iterator it, it_end = vc->GetPvs().mEntries.end();
|
---|
| 1252 | // output PVS of view cell
|
---|
[503] | 1253 | for (it = vc->GetPvs().mEntries.begin(); it != it_end; ++ it)
|
---|
[469] | 1254 | {
|
---|
| 1255 | Intersectable *intersect = (*it).first;
|
---|
| 1256 | if (!intersect->Mailed())
|
---|
| 1257 | {
|
---|
| 1258 | exporter->ExportIntersectable(intersect);
|
---|
| 1259 | intersect->Mail();
|
---|
[503] | 1260 | }
|
---|
[440] | 1261 | }
|
---|
[503] | 1262 |
|
---|
[469] | 1263 | DEL_PTR(exporter);
|
---|
| 1264 | cout << "finished" << endl;
|
---|
[440] | 1265 | }
|
---|
[469] | 1266 |
|
---|
| 1267 | DEL_PTR(rays);
|
---|
[440] | 1268 | }
|
---|
[469] | 1269 | else // using kd PVS of objects
|
---|
| 1270 | {
|
---|
| 1271 | for (int i = 0; i < limit; ++ i)
|
---|
| 1272 | {
|
---|
| 1273 | VssRay *ray = sampleRays[i];
|
---|
[503] | 1274 |
|
---|
[469] | 1275 | // check whether we can add this to the rays
|
---|
[503] | 1276 | for (int j = 0; j < pvsOut; j++)
|
---|
[469] | 1277 | {
|
---|
| 1278 | if (objects[j] == ray->mTerminationObject)
|
---|
| 1279 | {
|
---|
| 1280 | rays[j].push_back(ray);
|
---|
| 1281 | }
|
---|
| 1282 | }
|
---|
| 1283 | }
|
---|
[440] | 1284 |
|
---|
[503] | 1285 | if (exportRays)
|
---|
[469] | 1286 | {
|
---|
| 1287 | Exporter *exporter = NULL;
|
---|
| 1288 | exporter = Exporter::GetExporter("sample-rays.x3d");
|
---|
| 1289 | exporter->SetWireframe();
|
---|
| 1290 | exporter->ExportKdTree(*mKdTree);
|
---|
[503] | 1291 |
|
---|
| 1292 | for (i=0; i < pvsOut; i++)
|
---|
[469] | 1293 | exporter->ExportRays(rays[i], RgbColor(1, 0, 0));
|
---|
| 1294 |
|
---|
| 1295 | exporter->SetFilled();
|
---|
[503] | 1296 |
|
---|
[469] | 1297 | delete exporter;
|
---|
| 1298 | }
|
---|
[440] | 1299 |
|
---|
[503] | 1300 | for (int k=0; k < pvsOut; k++)
|
---|
[469] | 1301 | {
|
---|
| 1302 | Intersectable *object = objects[k];
|
---|
[503] | 1303 | char s[64];
|
---|
[469] | 1304 | sprintf(s, "sample-pvs%04d.x3d", k);
|
---|
[440] | 1305 |
|
---|
[469] | 1306 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
| 1307 | exporter->SetWireframe();
|
---|
[503] | 1308 |
|
---|
[469] | 1309 | KdPvsMap::iterator i = object->mKdPvs.mEntries.begin();
|
---|
| 1310 | Intersectable::NewMail();
|
---|
[503] | 1311 |
|
---|
[469] | 1312 | // avoid adding the object to the list
|
---|
| 1313 | object->Mail();
|
---|
| 1314 | ObjectContainer visibleObjects;
|
---|
[503] | 1315 |
|
---|
| 1316 | for (; i != object->mKdPvs.mEntries.end(); i++)
|
---|
[469] | 1317 | {
|
---|
| 1318 | KdNode *node = (*i).first;
|
---|
| 1319 | exporter->ExportBox(mKdTree->GetBox(node));
|
---|
[503] | 1320 |
|
---|
[469] | 1321 | mKdTree->CollectObjects(node, visibleObjects);
|
---|
| 1322 | }
|
---|
[503] | 1323 |
|
---|
[469] | 1324 | exporter->ExportRays(rays[k], RgbColor(0, 1, 0));
|
---|
| 1325 | exporter->SetFilled();
|
---|
[503] | 1326 |
|
---|
[469] | 1327 | for (int j = 0; j < visibleObjects.size(); j++)
|
---|
| 1328 | exporter->ExportIntersectable(visibleObjects[j]);
|
---|
[503] | 1329 |
|
---|
[469] | 1330 | Material m;
|
---|
| 1331 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 1332 | exporter->SetForcedMaterial(m);
|
---|
| 1333 | exporter->ExportIntersectable(object);
|
---|
[503] | 1334 |
|
---|
[469] | 1335 | delete exporter;
|
---|
[440] | 1336 | }
|
---|
[503] | 1337 | }
|
---|
[440] | 1338 | }
|
---|
| 1339 |
|
---|
[469] | 1340 |
|
---|
[482] | 1341 | void KdViewCellsManager::ExportColor(Exporter *exporter,
|
---|
| 1342 | ViewCell *vc) const
|
---|
| 1343 | {
|
---|
| 1344 | // TODO
|
---|
| 1345 | }
|
---|
| 1346 |
|
---|
| 1347 |
|
---|
[503] | 1348 | void KdViewCellsManager::ExportVcGeometry(Exporter *exporter,
|
---|
[485] | 1349 | ViewCell *vc) const
|
---|
[482] | 1350 | {
|
---|
[485] | 1351 | KdViewCell *kdVc = dynamic_cast<KdViewCell *>(vc);
|
---|
| 1352 | vector<KdLeaf *>::const_iterator it, it_end = kdVc->mLeaves.end();
|
---|
| 1353 |
|
---|
| 1354 | for (it = kdVc->mLeaves.begin(); it != it_end; ++ it)
|
---|
| 1355 | exporter->ExportBox(mKdTree->GetBox(*it));
|
---|
[482] | 1356 | }
|
---|
| 1357 |
|
---|
| 1358 |
|
---|
[440] | 1359 | int KdViewCellsManager::GetType() const
|
---|
| 1360 | {
|
---|
| 1361 | return ViewCellsManager::KD;
|
---|
| 1362 | }
|
---|
| 1363 |
|
---|
| 1364 |
|
---|
[441] | 1365 |
|
---|
[440] | 1366 | KdNode *KdViewCellsManager::GetNodeForPvs(KdLeaf *leaf)
|
---|
| 1367 | {
|
---|
| 1368 | KdNode *node = leaf;
|
---|
| 1369 |
|
---|
| 1370 | while (node->mParent && node->mDepth > mKdPvsDepth)
|
---|
| 1371 | node = node->mParent;
|
---|
| 1372 | return node;
|
---|
| 1373 | }
|
---|
| 1374 |
|
---|
[469] | 1375 | int KdViewCellsManager::CastLineSegment(const Vector3 &origin,
|
---|
| 1376 | const Vector3 &termination,
|
---|
| 1377 | ViewCellContainer &viewcells)
|
---|
[466] | 1378 | {
|
---|
[469] | 1379 | return mKdTree->CastLineSegment(origin, termination, viewcells);
|
---|
[466] | 1380 | }
|
---|
| 1381 |
|
---|
[469] | 1382 |
|
---|
[503] | 1383 | void KdViewCellsManager::CreateMesh(ViewCell *vc)
|
---|
| 1384 | {
|
---|
| 1385 | }
|
---|
| 1386 |
|
---|
[440] | 1387 | /**********************************************************************/
|
---|
| 1388 | /* VspKdViewCellsManager implementation */
|
---|
| 1389 | /**********************************************************************/
|
---|
| 1390 |
|
---|
[482] | 1391 |
|
---|
[503] | 1392 | VspKdViewCellsManager::VspKdViewCellsManager(VspKdTree *vspKdTree,
|
---|
[462] | 1393 | int constructionSamples):
|
---|
[503] | 1394 | ViewCellsManager(constructionSamples),
|
---|
[440] | 1395 | mVspKdTree(vspKdTree)
|
---|
| 1396 | {
|
---|
[468] | 1397 | mVspKdTree->SetViewCellsManager(this);
|
---|
| 1398 | }
|
---|
[462] | 1399 |
|
---|
[471] | 1400 | float VspKdViewCellsManager::GetProbability(ViewCell *viewCell)
|
---|
[468] | 1401 | {
|
---|
| 1402 | // volume or area substitutes for view point probability
|
---|
[480] | 1403 | #if 0
|
---|
[519] | 1404 | return GetArea(viewCell) / GetViewSpaceBox().SurfaceArea();
|
---|
[480] | 1405 | #else
|
---|
| 1406 | return GetArea(viewCell) / GetAccVcArea();
|
---|
| 1407 | #endif
|
---|
[440] | 1408 | }
|
---|
| 1409 |
|
---|
[462] | 1410 |
|
---|
[469] | 1411 | float VspKdViewCellsManager::GetRendercost(ViewCell *viewCell, float objRendercost) const
|
---|
[468] | 1412 | {
|
---|
[469] | 1413 | return viewCell->GetPvs().GetSize() * objRendercost;
|
---|
[468] | 1414 | }
|
---|
| 1415 |
|
---|
[503] | 1416 |
|
---|
[480] | 1417 | void VspKdViewCellsManager::CollectViewCells()
|
---|
| 1418 | {
|
---|
| 1419 | mVspKdTree->CollectViewCells(mViewCells);
|
---|
| 1420 | }
|
---|
[462] | 1421 |
|
---|
[503] | 1422 | int VspKdViewCellsManager::Construct(const ObjectContainer &objects,
|
---|
[487] | 1423 | const VssRayContainer &rays)
|
---|
[440] | 1424 | {
|
---|
[441] | 1425 | // if view cells already constructed
|
---|
[440] | 1426 | if (ViewCellsConstructed())
|
---|
| 1427 | return 0;
|
---|
[503] | 1428 |
|
---|
[469] | 1429 | VssRayContainer constructionRays;
|
---|
| 1430 | VssRayContainer savedRays;
|
---|
[440] | 1431 |
|
---|
[503] | 1432 | GetRaySets(rays,
|
---|
| 1433 | mConstructionSamples,
|
---|
| 1434 | constructionRays,
|
---|
[485] | 1435 | &savedRays);
|
---|
[503] | 1436 |
|
---|
| 1437 | Debug << "constructing vsp kd tree using "
|
---|
[469] | 1438 | << (int)constructionRays.size() << " samples" << endl;
|
---|
[452] | 1439 |
|
---|
[487] | 1440 | mVspKdTree->Construct(constructionRays, &mSceneBox);
|
---|
[452] | 1441 | Debug << mVspKdTree->GetStatistics() << endl;
|
---|
| 1442 |
|
---|
[482] | 1443 | // export leaf building blocks
|
---|
| 1444 | ExportLeaves(objects, rays);
|
---|
[480] | 1445 |
|
---|
[469] | 1446 | // finally merge kd leaf building blocks to view cells
|
---|
[485] | 1447 | const int merged = mVspKdTree->MergeViewCells(rays);
|
---|
| 1448 |
|
---|
| 1449 | // collapse siblings belonging to the same view cell
|
---|
[486] | 1450 | mVspKdTree->RefineViewCells(rays);
|
---|
[485] | 1451 |
|
---|
[503] | 1452 | // collapse siblings belonging to the same view cell
|
---|
| 1453 | mVspKdTree->CollapseTree();
|
---|
| 1454 |
|
---|
[482] | 1455 | // evaluale view cell stats
|
---|
| 1456 | ResetViewCells();
|
---|
[469] | 1457 |
|
---|
[482] | 1458 | Debug << "\nView cells after construction:\n" << mViewCellsStats << endl;
|
---|
| 1459 |
|
---|
[485] | 1460 | long startTime = GetTime();
|
---|
[469] | 1461 | // recast rest of rays
|
---|
| 1462 | ComputeSampleContributions(savedRays);
|
---|
[503] | 1463 |
|
---|
| 1464 | Debug << "Computed remaining ray contribution in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
[485] | 1465 | << " secs" << endl;
|
---|
[469] | 1466 |
|
---|
| 1467 | return merged;
|
---|
[440] | 1468 | }
|
---|
| 1469 |
|
---|
| 1470 | bool VspKdViewCellsManager::ViewCellsConstructed() const
|
---|
| 1471 | {
|
---|
| 1472 | return mVspKdTree->GetRoot() != NULL;
|
---|
| 1473 | }
|
---|
| 1474 |
|
---|
[441] | 1475 |
|
---|
[462] | 1476 | ViewCell *VspKdViewCellsManager::GenerateViewCell(Mesh *mesh) const
|
---|
| 1477 | {
|
---|
| 1478 | return new VspKdViewCell(mesh);
|
---|
| 1479 | }
|
---|
| 1480 |
|
---|
[503] | 1481 | int VspKdViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
[466] | 1482 | const VssRayContainer &rays)
|
---|
[440] | 1483 | {
|
---|
[441] | 1484 | if (!ViewCellsConstructed())
|
---|
| 1485 | return 0;
|
---|
| 1486 |
|
---|
[482] | 1487 | // recalculate stats
|
---|
| 1488 | EvaluateViewCellsStats();
|
---|
| 1489 |
|
---|
[469] | 1490 | return 0;
|
---|
[440] | 1491 | }
|
---|
| 1492 |
|
---|
[482] | 1493 |
|
---|
| 1494 | void VspKdViewCellsManager::ExportLeaves(const ObjectContainer &objects,
|
---|
| 1495 | const VssRayContainer &sampleRays)
|
---|
[440] | 1496 | {
|
---|
[441] | 1497 | if (!ViewCellsConstructed())
|
---|
| 1498 | return;
|
---|
| 1499 |
|
---|
[482] | 1500 | //-- export leaf building blocks
|
---|
[503] | 1501 | Exporter *exporter = Exporter::GetExporter("vspkdtree.x3d");
|
---|
[482] | 1502 | if (!exporter)
|
---|
| 1503 | return;
|
---|
| 1504 |
|
---|
| 1505 | //exporter->SetWireframe();
|
---|
| 1506 | //exporter->ExportVspKdTree(*mVspKdTree, mVspKdTree->GetStatistics().maxPvsSize);
|
---|
| 1507 | exporter->ExportVspKdTree(*mVspKdTree);
|
---|
| 1508 |
|
---|
[503] | 1509 | if (mExportGeometry)
|
---|
[482] | 1510 | exporter->ExportGeometry(objects);
|
---|
| 1511 |
|
---|
[503] | 1512 | if (mExportRays)
|
---|
[440] | 1513 | {
|
---|
[503] | 1514 | const float prob = (float)mVisualizationSamples
|
---|
[482] | 1515 | / ((float)sampleRays.size() + Limits::Small);
|
---|
[440] | 1516 |
|
---|
[482] | 1517 | exporter->SetWireframe();
|
---|
[440] | 1518 |
|
---|
[482] | 1519 | //-- collect uniformly distributed rays
|
---|
| 1520 | VssRayContainer rays;
|
---|
[440] | 1521 |
|
---|
[482] | 1522 | for (int i = 0; i < sampleRays.size(); ++ i)
|
---|
| 1523 | {
|
---|
| 1524 | if (RandomValue(0,1) < prob)
|
---|
| 1525 | rays.push_back(sampleRays[i]);
|
---|
[440] | 1526 | }
|
---|
[482] | 1527 | exporter->ExportRays(rays, RgbColor(1, 0, 0));
|
---|
[440] | 1528 | }
|
---|
| 1529 |
|
---|
[482] | 1530 | delete exporter;
|
---|
| 1531 | }
|
---|
| 1532 |
|
---|
| 1533 | void VspKdViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
| 1534 | const VssRayContainer &sampleRays)
|
---|
| 1535 | {
|
---|
| 1536 | if (!ViewCellsConstructed())
|
---|
| 1537 | return;
|
---|
[503] | 1538 |
|
---|
[482] | 1539 | //-- export single view cells
|
---|
| 1540 | for (int i = 0; i < 10; ++ i)
|
---|
[440] | 1541 | {
|
---|
[482] | 1542 | char s[64];
|
---|
| 1543 | sprintf(s, "vsp_viewcell%04d.x3d", i);
|
---|
| 1544 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
[503] | 1545 | const int idx =
|
---|
[482] | 1546 | (int)RandomValue(0.0, (Real)((int)mViewCells.size() - 1));
|
---|
[440] | 1547 |
|
---|
[503] | 1548 | VspKdViewCell *vc = dynamic_cast<VspKdViewCell *>(mViewCells[idx]);
|
---|
[482] | 1549 |
|
---|
[483] | 1550 | cout << "Output view cell " << i << " with pvs size " << vc->GetPvs().GetSize() << endl;
|
---|
| 1551 | Debug << "Output view cell " << i << " with pvs size " << vc->GetPvs().GetSize() << endl;
|
---|
[482] | 1552 | //-- export geometry
|
---|
| 1553 | Material m;
|
---|
| 1554 | m.mDiffuseColor = RgbColor(0, 1, 1);
|
---|
[503] | 1555 |
|
---|
[482] | 1556 | exporter->SetForcedMaterial(m);
|
---|
| 1557 | exporter->SetWireframe();
|
---|
| 1558 |
|
---|
[485] | 1559 | ExportVcGeometry(exporter, vc);
|
---|
[482] | 1560 |
|
---|
| 1561 | //-- export stored rays
|
---|
[485] | 1562 | if (mExportRays)
|
---|
[440] | 1563 | {
|
---|
[503] | 1564 | vector<VspKdLeaf *>::const_iterator it,
|
---|
[482] | 1565 | it_end = vc->mLeaves.end();
|
---|
[440] | 1566 |
|
---|
[482] | 1567 | for (it = vc->mLeaves.begin(); it != it_end; ++ it)
|
---|
| 1568 | {
|
---|
| 1569 | VspKdLeaf *leaf = *it;
|
---|
| 1570 | AxisAlignedBox3 box = mVspKdTree->GetBBox(leaf);
|
---|
[440] | 1571 |
|
---|
[482] | 1572 | VssRayContainer vssRays;
|
---|
[483] | 1573 |
|
---|
| 1574 | VssRayContainer castRays;
|
---|
| 1575 | VssRayContainer initRays;
|
---|
| 1576 |
|
---|
[482] | 1577 | leaf->GetRays(vssRays);
|
---|
[440] | 1578 |
|
---|
[482] | 1579 | VssRayContainer::const_iterator it, it_end = vssRays.end();
|
---|
[483] | 1580 | const float prop = 200.0f / (float)vssRays.size();
|
---|
[440] | 1581 |
|
---|
[482] | 1582 | for (it = vssRays.begin(); it != it_end; ++ it)
|
---|
[483] | 1583 | {
|
---|
[485] | 1584 | if (Random(1) < prop)
|
---|
[483] | 1585 | if ((*it)->mTerminationObject == NULL)
|
---|
| 1586 | castRays.push_back(*it);
|
---|
[503] | 1587 | else
|
---|
[483] | 1588 | initRays.push_back(*it);
|
---|
| 1589 | }
|
---|
| 1590 |
|
---|
| 1591 | exporter->ExportRays(castRays, RgbColor(1, 0, 0));
|
---|
| 1592 | exporter->ExportRays(initRays, RgbColor(0, 1, 0));
|
---|
[482] | 1593 | }
|
---|
| 1594 | }
|
---|
[440] | 1595 |
|
---|
[482] | 1596 | //-- output PVS of view cell
|
---|
| 1597 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 1598 | exporter->SetForcedMaterial(m);
|
---|
[440] | 1599 |
|
---|
[483] | 1600 | Intersectable::NewMail();
|
---|
| 1601 |
|
---|
[482] | 1602 | ObjectPvsMap::const_iterator it,
|
---|
| 1603 | it_end = vc->GetPvs().mEntries.end();
|
---|
| 1604 |
|
---|
| 1605 | exporter->SetFilled();
|
---|
| 1606 |
|
---|
[503] | 1607 | for (it = vc->GetPvs().mEntries.begin(); it != it_end; ++ it)
|
---|
[482] | 1608 | {
|
---|
| 1609 | Intersectable *intersect = (*it).first;
|
---|
| 1610 |
|
---|
| 1611 | if (!intersect->Mailed())
|
---|
| 1612 | {
|
---|
| 1613 | Material m = RandomMaterial();
|
---|
| 1614 | exporter->SetForcedMaterial(m);
|
---|
| 1615 |
|
---|
| 1616 | exporter->ExportIntersectable(intersect);
|
---|
| 1617 | intersect->Mail();
|
---|
[503] | 1618 | }
|
---|
[482] | 1619 | }
|
---|
| 1620 |
|
---|
| 1621 | delete exporter;
|
---|
[440] | 1622 | }
|
---|
[462] | 1623 |
|
---|
| 1624 | //-- export final view cells
|
---|
[503] | 1625 | Exporter *exporter = Exporter::GetExporter("vspkdtree_merged.x3d");
|
---|
| 1626 |
|
---|
[485] | 1627 | //if (exportGeometry) exporter->SetWireframe();
|
---|
| 1628 | //else exporter->SetFilled();
|
---|
[483] | 1629 |
|
---|
[508] | 1630 | ExportViewCellsForViz(exporter);
|
---|
[462] | 1631 |
|
---|
[503] | 1632 | if (mExportGeometry)
|
---|
[465] | 1633 | {
|
---|
| 1634 | exporter->SetFilled();
|
---|
[462] | 1635 | exporter->ExportGeometry(objects);
|
---|
[465] | 1636 | }
|
---|
[469] | 1637 |
|
---|
[503] | 1638 | if (mExportRays)
|
---|
[462] | 1639 | {
|
---|
[503] | 1640 | const float prob = (float)mVisualizationSamples
|
---|
[482] | 1641 | / ((float)sampleRays.size() + Limits::Small);
|
---|
[503] | 1642 |
|
---|
[462] | 1643 | exporter->SetWireframe();
|
---|
[503] | 1644 |
|
---|
[466] | 1645 | VssRayContainer rays;
|
---|
[503] | 1646 |
|
---|
[462] | 1647 | for (int i = 0; i < sampleRays.size(); ++ i)
|
---|
| 1648 | {
|
---|
[466] | 1649 | if (RandomValue(0,1) < prob)
|
---|
| 1650 | rays.push_back(sampleRays[i]);
|
---|
[462] | 1651 | }
|
---|
[503] | 1652 | exporter->ExportRays(rays, RgbColor(1, 0, 0));
|
---|
[462] | 1653 | }
|
---|
| 1654 |
|
---|
| 1655 | delete exporter;
|
---|
[440] | 1656 | }
|
---|
| 1657 |
|
---|
| 1658 | int VspKdViewCellsManager::GetType() const
|
---|
| 1659 | {
|
---|
| 1660 | return VSP_KD;
|
---|
| 1661 | }
|
---|
[442] | 1662 |
|
---|
[462] | 1663 |
|
---|
[469] | 1664 | int VspKdViewCellsManager::CastLineSegment(const Vector3 &origin,
|
---|
| 1665 | const Vector3 &termination,
|
---|
| 1666 | ViewCellContainer &viewcells)
|
---|
[466] | 1667 | {
|
---|
[469] | 1668 | return mVspKdTree->CastLineSegment(origin, termination, viewcells);
|
---|
[466] | 1669 | }
|
---|
| 1670 |
|
---|
[477] | 1671 |
|
---|
[482] | 1672 | void VspKdViewCellsManager::ExportColor(Exporter *exporter,
|
---|
| 1673 | ViewCell *vc) const
|
---|
| 1674 | {
|
---|
| 1675 | if (mColorCode == 0) // Random color
|
---|
| 1676 | return;
|
---|
[503] | 1677 |
|
---|
[482] | 1678 | float importance = 0;
|
---|
[477] | 1679 |
|
---|
[482] | 1680 | switch (mColorCode)
|
---|
| 1681 | {
|
---|
| 1682 | case 1: // pvs
|
---|
| 1683 | {
|
---|
[503] | 1684 | importance = (float)vc->GetPvs().GetSize() /
|
---|
[482] | 1685 | (float)mViewCellsStats.maxPvs;
|
---|
| 1686 | }
|
---|
| 1687 | break;
|
---|
| 1688 | case 2: // merges
|
---|
| 1689 | {
|
---|
| 1690 | VspKdViewCell *vspKdVc = dynamic_cast<VspKdViewCell *>(vc);
|
---|
| 1691 |
|
---|
[503] | 1692 | importance = (float)vspKdVc->mLeaves.size() /
|
---|
[482] | 1693 | (float)mViewCellsStats.maxLeaves;
|
---|
| 1694 | }
|
---|
| 1695 | break;
|
---|
[485] | 1696 | case 3: // merged tree depth difference
|
---|
[482] | 1697 | {
|
---|
[503] | 1698 | //importance = (float)GetMaxTreeDiff(vc) /
|
---|
[482] | 1699 | // (float)(mVspBspTree->GetStatistics().maxDepth * 2);
|
---|
| 1700 | }
|
---|
| 1701 | break;
|
---|
| 1702 | default:
|
---|
| 1703 | break;
|
---|
| 1704 | }
|
---|
| 1705 |
|
---|
| 1706 | Material m;
|
---|
| 1707 | m.mDiffuseColor.b = 1.0f;
|
---|
| 1708 | m.mDiffuseColor.r = importance;
|
---|
| 1709 | m.mDiffuseColor.g = 1.0f - m.mDiffuseColor.r;
|
---|
| 1710 | //Debug << "importance: " << importance << endl;
|
---|
| 1711 | exporter->SetForcedMaterial(m);
|
---|
| 1712 | }
|
---|
| 1713 |
|
---|
| 1714 |
|
---|
[503] | 1715 | void VspKdViewCellsManager::ExportVcGeometry(Exporter *exporter,
|
---|
[482] | 1716 | ViewCell *vc) const
|
---|
| 1717 | {
|
---|
| 1718 | VspKdViewCell *kdVc = dynamic_cast<VspKdViewCell *>(vc);
|
---|
| 1719 | vector<VspKdLeaf *>::const_iterator it, it_end = kdVc->mLeaves.end();
|
---|
| 1720 |
|
---|
[486] | 1721 | Mesh m;
|
---|
[482] | 1722 | for (it = kdVc->mLeaves.begin(); it != it_end; ++ it)
|
---|
[486] | 1723 | {
|
---|
| 1724 | mVspKdTree->GetBBox(*it).AddBoxToMesh(&m);
|
---|
| 1725 | }
|
---|
| 1726 |
|
---|
| 1727 | exporter->ExportMesh(&m);
|
---|
[482] | 1728 | }
|
---|
| 1729 |
|
---|
| 1730 |
|
---|
[503] | 1731 | void VspKdViewCellsManager::CreateMesh(ViewCell *vc)
|
---|
| 1732 | {
|
---|
| 1733 | }
|
---|
[442] | 1734 |
|
---|
[503] | 1735 | /**************************************************************************/
|
---|
| 1736 | /* VspBspViewCellsManager implementation */
|
---|
| 1737 | /**************************************************************************/
|
---|
[482] | 1738 |
|
---|
[503] | 1739 |
|
---|
| 1740 | VspBspViewCellsManager::VspBspViewCellsManager(VspBspTree *vspBspTree,
|
---|
[442] | 1741 | int constructionSamples):
|
---|
[503] | 1742 | ViewCellsManager(constructionSamples),
|
---|
[442] | 1743 | mVspBspTree(vspBspTree)
|
---|
| 1744 | {
|
---|
[478] | 1745 | mVspBspTree->SetViewCellsManager(this);
|
---|
[442] | 1746 | }
|
---|
| 1747 |
|
---|
[477] | 1748 |
|
---|
[475] | 1749 | VspBspViewCellsManager::~VspBspViewCellsManager()
|
---|
| 1750 | {
|
---|
| 1751 | }
|
---|
| 1752 |
|
---|
[477] | 1753 |
|
---|
[471] | 1754 | float VspBspViewCellsManager::GetProbability(ViewCell *viewCell)
|
---|
[468] | 1755 | {
|
---|
[477] | 1756 | #if 0
|
---|
[519] | 1757 | return GetArea(viewCell) / GetViewSpaceBox().SurfaceArea();
|
---|
[477] | 1758 | #else
|
---|
| 1759 | return GetArea(viewCell) / GetAccVcArea();
|
---|
| 1760 | #endif
|
---|
[468] | 1761 | }
|
---|
| 1762 |
|
---|
[477] | 1763 |
|
---|
[480] | 1764 | void VspBspViewCellsManager::CollectViewCells()
|
---|
| 1765 | {
|
---|
| 1766 | mVspBspTree->CollectViewCells(mViewCells);
|
---|
| 1767 | }
|
---|
| 1768 |
|
---|
| 1769 |
|
---|
[503] | 1770 | float VspBspViewCellsManager::GetRendercost(ViewCell *viewCell,
|
---|
[477] | 1771 | float objRendercost) const
|
---|
[468] | 1772 | {
|
---|
| 1773 | return viewCell->GetPvs().GetSize() * objRendercost;
|
---|
| 1774 | }
|
---|
| 1775 |
|
---|
[462] | 1776 |
|
---|
[442] | 1777 | bool VspBspViewCellsManager::ViewCellsConstructed() const
|
---|
| 1778 | {
|
---|
| 1779 | return mVspBspTree->GetRoot() != NULL;
|
---|
| 1780 | }
|
---|
| 1781 |
|
---|
[462] | 1782 |
|
---|
[442] | 1783 | ViewCell *VspBspViewCellsManager::GenerateViewCell(Mesh *mesh) const
|
---|
| 1784 | {
|
---|
| 1785 | return new BspViewCell(mesh);
|
---|
| 1786 | }
|
---|
| 1787 |
|
---|
[503] | 1788 | int VspBspViewCellsManager::Construct(const ObjectContainer &objects,
|
---|
[487] | 1789 | const VssRayContainer &rays)
|
---|
[442] | 1790 | {
|
---|
[503] | 1791 | // if view cells were already constructed
|
---|
| 1792 | if (ViewCellsConstructed())
|
---|
| 1793 | return 0;
|
---|
[442] | 1794 |
|
---|
[503] | 1795 | Debug << "Constructing bsp view cells" << endl;
|
---|
| 1796 |
|
---|
| 1797 | int sampleContributions = 0;
|
---|
| 1798 |
|
---|
| 1799 | VssRayContainer sampleRays;
|
---|
| 1800 |
|
---|
| 1801 | int limit = min (mConstructionSamples, (int)rays.size());
|
---|
| 1802 |
|
---|
[469] | 1803 | VssRayContainer constructionRays;
|
---|
| 1804 | VssRayContainer savedRays;
|
---|
[442] | 1805 |
|
---|
[485] | 1806 | GetRaySets(rays, mConstructionSamples, constructionRays, &savedRays);
|
---|
[487] | 1807 |
|
---|
[508] | 1808 | Debug << "construction rays: " << (int)constructionRays.size() << endl;
|
---|
| 1809 | Debug << "saved rays: " << (int)savedRays.size() << endl;
|
---|
[485] | 1810 |
|
---|
[487] | 1811 | mVspBspTree->Construct(constructionRays, &mSceneBox);
|
---|
[503] | 1812 |
|
---|
[480] | 1813 | Debug << mVspBspTree->GetStatistics() << endl;
|
---|
[491] | 1814 |
|
---|
[490] | 1815 | // collapse invalid regions
|
---|
[491] | 1816 | cout << "collapsing invalid tree regions ... ";
|
---|
[495] | 1817 | long startTime = GetTime();
|
---|
[503] | 1818 | int collapsedLeaves = mVspBspTree->CollapseTree();
|
---|
[501] | 1819 | Debug << "collapsed in " << TimeDiff(startTime, GetTime()) * 1e-3 << " seconds" << endl;
|
---|
[495] | 1820 | cout << "finished" << endl;
|
---|
[503] | 1821 |
|
---|
[491] | 1822 | cout << "reseting view cell stats ... ";
|
---|
[480] | 1823 | ResetViewCells();
|
---|
[491] | 1824 | cout << "finished" << endl;
|
---|
[503] | 1825 |
|
---|
[480] | 1826 | Debug << "\nView cells after construction:\n" << mViewCellsStats << endl;
|
---|
[491] | 1827 |
|
---|
| 1828 | if (1) // export initial view cells
|
---|
| 1829 | {
|
---|
| 1830 | cout << "exporting initial view cells (=leaves) ... ";
|
---|
| 1831 | Exporter *exporter = Exporter::GetExporter("view_cells.x3d");
|
---|
[503] | 1832 |
|
---|
[491] | 1833 | if (exporter)
|
---|
| 1834 | {
|
---|
| 1835 | //exporter->SetWireframe();
|
---|
| 1836 | exporter->SetFilled();
|
---|
[508] | 1837 | ExportViewCellsForViz(exporter);
|
---|
[491] | 1838 |
|
---|
[495] | 1839 | if (0 && mExportRays)
|
---|
| 1840 | exporter->ExportRays(rays, RgbColor(1, 1, 1));
|
---|
[503] | 1841 |
|
---|
[491] | 1842 | if (mExportGeometry)
|
---|
| 1843 | exporter->ExportGeometry(objects);
|
---|
[503] | 1844 |
|
---|
[491] | 1845 | delete exporter;
|
---|
| 1846 | }
|
---|
| 1847 | cout << "finished" << endl;
|
---|
| 1848 | }
|
---|
| 1849 |
|
---|
[495] | 1850 | startTime = GetTime();
|
---|
[503] | 1851 |
|
---|
| 1852 | // reset view cells and stats
|
---|
| 1853 | ResetViewCells();
|
---|
| 1854 |
|
---|
[491] | 1855 | cout << "Computing remaining ray contributions ... ";
|
---|
[469] | 1856 | // recast rest of rays
|
---|
| 1857 | ComputeSampleContributions(savedRays);
|
---|
[491] | 1858 | cout << "finished" << endl;
|
---|
| 1859 |
|
---|
[503] | 1860 | Debug << "Computed remaining ray contribution in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
[485] | 1861 | << " secs" << endl;
|
---|
[442] | 1862 |
|
---|
[485] | 1863 | cout << "construction finished" << endl;
|
---|
[503] | 1864 |
|
---|
[442] | 1865 | return sampleContributions;
|
---|
| 1866 | }
|
---|
| 1867 |
|
---|
[489] | 1868 |
|
---|
[503] | 1869 | void VspBspViewCellsManager::MergeViewCells(const VssRayContainer &rays,
|
---|
| 1870 | const ObjectContainer &objects)
|
---|
[475] | 1871 | {
|
---|
[442] | 1872 | //-- post processing of bsp view cells
|
---|
| 1873 | int vcSize = 0;
|
---|
| 1874 | int pvsSize = 0;
|
---|
| 1875 |
|
---|
[480] | 1876 | mRenderer->RenderScene();
|
---|
| 1877 | SimulationStatistics ss;
|
---|
| 1878 | dynamic_cast<RenderSimulator *>(mRenderer)->GetStatistics(ss);
|
---|
| 1879 | Debug << ss << endl;
|
---|
| 1880 |
|
---|
[442] | 1881 | //-- merge or subdivide view cells
|
---|
| 1882 | int merged = 0;
|
---|
[503] | 1883 |
|
---|
[485] | 1884 | cout << "starting merge using " << mPostProcessSamples << " samples ... ";
|
---|
| 1885 | long startTime = GetTime();
|
---|
[442] | 1886 |
|
---|
[503] | 1887 | // TODO: should be done BEFORE the ray casting
|
---|
[517] | 1888 | merged = mVspBspTree->MergeViewCells(rays);
|
---|
[442] | 1889 |
|
---|
[485] | 1890 | //-- stats and visualizations
|
---|
| 1891 | cout << "finished" << endl;
|
---|
| 1892 | cout << "merged " << merged << " view cells in "
|
---|
| 1893 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl;
|
---|
| 1894 |
|
---|
| 1895 | Debug << "Postprocessing: Merged " << merged << " view cells in "
|
---|
| 1896 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl << endl;
|
---|
[503] | 1897 |
|
---|
[491] | 1898 | cout << "reseting view cell stats ... ";
|
---|
[485] | 1899 | ResetViewCells();
|
---|
[491] | 1900 | cout << "finished" << endl;
|
---|
| 1901 |
|
---|
[485] | 1902 | //BspLeaf::NewMail();
|
---|
| 1903 | if (1) // export merged view cells
|
---|
[483] | 1904 | {
|
---|
[485] | 1905 | Exporter *exporter = Exporter::GetExporter("merged_view_cells.x3d");
|
---|
| 1906 | Debug << "\nView cells after merge:\n" << mViewCellsStats << endl;
|
---|
[483] | 1907 |
|
---|
[485] | 1908 | cout << "exporting view cells after merge ... ";
|
---|
| 1909 |
|
---|
| 1910 | if (exporter)
|
---|
[483] | 1911 | {
|
---|
[485] | 1912 | //exporter->SetWireframe();
|
---|
| 1913 | exporter->SetFilled();
|
---|
[508] | 1914 | ExportViewCellsForViz(exporter);
|
---|
[442] | 1915 |
|
---|
[485] | 1916 | if (mExportGeometry)
|
---|
[483] | 1917 | {
|
---|
[485] | 1918 | Material m;
|
---|
| 1919 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 1920 | exporter->SetForcedMaterial(m);
|
---|
| 1921 | exporter->SetFilled();
|
---|
[442] | 1922 |
|
---|
[485] | 1923 | exporter->ExportGeometry(objects);
|
---|
[442] | 1924 | }
|
---|
[485] | 1925 |
|
---|
| 1926 | delete exporter;
|
---|
[442] | 1927 | }
|
---|
[485] | 1928 | cout << "finished" << endl;
|
---|
[442] | 1929 | }
|
---|
[503] | 1930 | }
|
---|
[475] | 1931 |
|
---|
[503] | 1932 |
|
---|
| 1933 | void VspBspViewCellsManager::RefineViewCells(const VssRayContainer &rays)
|
---|
| 1934 | {
|
---|
[485] | 1935 | Debug << "render time before refine:" << endl;
|
---|
| 1936 | mRenderer->RenderScene();
|
---|
[503] | 1937 | SimulationStatistics ss;
|
---|
[485] | 1938 | dynamic_cast<RenderSimulator *>(mRenderer)->GetStatistics(ss);
|
---|
| 1939 | Debug << ss << endl;
|
---|
| 1940 |
|
---|
[489] | 1941 | cout << "Refining the merged view cells ... ";
|
---|
[503] | 1942 | long startTime = GetTime();
|
---|
[485] | 1943 |
|
---|
| 1944 | // refining the merged view cells
|
---|
| 1945 | const int refined = mVspBspTree->RefineViewCells(rays);
|
---|
| 1946 |
|
---|
[442] | 1947 | //-- stats and visualizations
|
---|
| 1948 | cout << "finished" << endl;
|
---|
[485] | 1949 | cout << "refined " << refined << " view cells in "
|
---|
[442] | 1950 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl;
|
---|
| 1951 |
|
---|
[485] | 1952 | Debug << "Postprocessing: refined " << refined << " view cells in "
|
---|
[475] | 1953 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl << endl;
|
---|
[503] | 1954 | }
|
---|
[495] | 1955 |
|
---|
[517] | 1956 |
|
---|
[503] | 1957 | int VspBspViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
| 1958 | const VssRayContainer &rays)
|
---|
| 1959 | {
|
---|
| 1960 | if (!ViewCellsConstructed())
|
---|
| 1961 | {
|
---|
[517] | 1962 | Debug << "postprocess error: no view cells constructed" << endl;
|
---|
[503] | 1963 | return 0;
|
---|
| 1964 | }
|
---|
[520] | 1965 |
|
---|
| 1966 | EvaluateViewCellsStats();
|
---|
| 1967 |
|
---|
| 1968 | // view cells already finished post processing step
|
---|
| 1969 | if (mViewCellsFinished)
|
---|
[517] | 1970 | return 0;
|
---|
[448] | 1971 |
|
---|
[517] | 1972 | VssRayContainer postProcessRays;
|
---|
| 1973 | GetRaySets(rays, mPostProcessSamples, postProcessRays);
|
---|
| 1974 |
|
---|
| 1975 | Debug << "post processing using " << (int)postProcessRays.size() << " samples" << endl;
|
---|
[520] | 1976 |
|
---|
[517] | 1977 | Debug << "\nview cell partition after sampling:\n" << mViewCellsStats << endl << endl;
|
---|
| 1978 |
|
---|
| 1979 |
|
---|
| 1980 | //-- merge the individual view cells: Should be done here because it makes
|
---|
| 1981 | MergeViewCells(postProcessRays, objects);
|
---|
| 1982 | //-- refines the merged view cells
|
---|
| 1983 | RefineViewCells(postProcessRays);
|
---|
| 1984 | // collapse sibling leaves that share the same view cell
|
---|
| 1985 | mVspBspTree->CollapseTree();
|
---|
| 1986 |
|
---|
[520] | 1987 | ResetViewCells();
|
---|
| 1988 |
|
---|
[508] | 1989 | // real meshes are only contructed only at this stage
|
---|
[517] | 1990 | CreateViewCellMeshes();
|
---|
| 1991 |
|
---|
[508] | 1992 | // write view cells to disc
|
---|
| 1993 | if (mExportViewCells)
|
---|
| 1994 | {
|
---|
[517] | 1995 | char buff[100];
|
---|
| 1996 | environment->GetStringValue("ViewCells.filename", buff);
|
---|
| 1997 | string vcFilename(buff);
|
---|
| 1998 |
|
---|
| 1999 | ExportViewCells(buff);
|
---|
[508] | 2000 | }
|
---|
[503] | 2001 |
|
---|
| 2002 | return 0;
|
---|
[442] | 2003 | }
|
---|
| 2004 |
|
---|
[490] | 2005 |
|
---|
[442] | 2006 | int VspBspViewCellsManager::GetType() const
|
---|
| 2007 | {
|
---|
| 2008 | return VSP_BSP;
|
---|
| 2009 | }
|
---|
| 2010 |
|
---|
| 2011 |
|
---|
[490] | 2012 | bool VspBspViewCellsManager::GetViewPoint(Vector3 &viewPoint) const
|
---|
| 2013 | {
|
---|
| 2014 | if (!ViewCellsConstructed())
|
---|
| 2015 | return ViewCellsManager::GetViewPoint(viewPoint);
|
---|
| 2016 |
|
---|
| 2017 | // TODO: set reasonable limit
|
---|
| 2018 | const int limit = 20;
|
---|
| 2019 |
|
---|
| 2020 | for (int i = 0; i < limit; ++ i)
|
---|
| 2021 | {
|
---|
| 2022 | viewPoint = mSceneBox.GetRandomPoint();
|
---|
| 2023 | if (mVspBspTree->ViewPointValid(viewPoint))
|
---|
| 2024 | {
|
---|
| 2025 | return true;
|
---|
| 2026 | }
|
---|
| 2027 | }
|
---|
| 2028 | Debug << "failed to find valid view point, taking " << viewPoint << endl;
|
---|
| 2029 | return false;
|
---|
| 2030 | }
|
---|
| 2031 |
|
---|
| 2032 |
|
---|
| 2033 | bool VspBspViewCellsManager::ViewPointValid(const Vector3 &viewPoint) const
|
---|
| 2034 | {
|
---|
[503] | 2035 | return mSceneBox.IsInside(viewPoint) &&
|
---|
[490] | 2036 | mVspBspTree->ViewPointValid(viewPoint);
|
---|
| 2037 | }
|
---|
| 2038 |
|
---|
| 2039 |
|
---|
[442] | 2040 | void VspBspViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
[466] | 2041 | const VssRayContainer &sampleRays)
|
---|
[442] | 2042 | {
|
---|
| 2043 | if (!ViewCellsConstructed())
|
---|
| 2044 | return;
|
---|
| 2045 |
|
---|
[485] | 2046 | VssRayContainer visRays;
|
---|
| 2047 | GetRaySets(sampleRays, mVisualizationSamples, visRays);
|
---|
[483] | 2048 |
|
---|
[442] | 2049 | if (1) // export view cells
|
---|
| 2050 | {
|
---|
[478] | 2051 | cout << "exporting view cells after post process ... ";
|
---|
[485] | 2052 | Exporter *exporter = Exporter::GetExporter("final_view_cells.x3d");
|
---|
[442] | 2053 |
|
---|
| 2054 | if (exporter)
|
---|
| 2055 | {
|
---|
[485] | 2056 | if (mExportGeometry)
|
---|
| 2057 | exporter->ExportGeometry(objects);
|
---|
[489] | 2058 |
|
---|
| 2059 | // export rays
|
---|
[490] | 2060 | if (mExportRays)
|
---|
[489] | 2061 | {
|
---|
[490] | 2062 | exporter->ExportRays(visRays, RgbColor(0, 1, 0));
|
---|
| 2063 | }
|
---|
| 2064 |
|
---|
[508] | 2065 | ExportViewCellsForViz(exporter);
|
---|
[442] | 2066 | delete exporter;
|
---|
| 2067 | }
|
---|
[503] | 2068 |
|
---|
[442] | 2069 | cout << "finished" << endl;
|
---|
[503] | 2070 | }
|
---|
[442] | 2071 |
|
---|
| 2072 | //-- visualization of the BSP splits
|
---|
| 2073 | bool exportSplits = false;
|
---|
[489] | 2074 | environment->GetBoolValue("VspBspTree.Visualization.exportSplits", exportSplits);
|
---|
[503] | 2075 |
|
---|
[442] | 2076 | if (exportSplits)
|
---|
| 2077 | {
|
---|
| 2078 | cout << "exporting splits ... ";
|
---|
[485] | 2079 | ExportSplits(objects, visRays);
|
---|
[442] | 2080 | cout << "finished" << endl;
|
---|
| 2081 | }
|
---|
| 2082 |
|
---|
[485] | 2083 | // export single view cells
|
---|
| 2084 | ExportBspPvs(objects, visRays);
|
---|
[442] | 2085 | }
|
---|
| 2086 |
|
---|
[503] | 2087 |
|
---|
[485] | 2088 | void VspBspViewCellsManager::ExportSplits(const ObjectContainer &objects,
|
---|
| 2089 | const VssRayContainer &rays)
|
---|
[442] | 2090 | {
|
---|
| 2091 | Exporter *exporter = Exporter::GetExporter("bsp_splits.x3d");
|
---|
| 2092 |
|
---|
[503] | 2093 | if (exporter)
|
---|
| 2094 | {
|
---|
| 2095 | Material m;
|
---|
[442] | 2096 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 2097 | exporter->SetForcedMaterial(m);
|
---|
| 2098 | exporter->SetWireframe();
|
---|
[503] | 2099 |
|
---|
[448] | 2100 | exporter->ExportBspSplits(*mVspBspTree, true);
|
---|
[442] | 2101 |
|
---|
| 2102 | // take forced material, else big scenes cannot be viewed
|
---|
| 2103 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 2104 | exporter->SetForcedMaterial(m);
|
---|
| 2105 | exporter->SetFilled();
|
---|
| 2106 |
|
---|
| 2107 | exporter->ResetForcedMaterial();
|
---|
[503] | 2108 |
|
---|
[442] | 2109 | // export rays
|
---|
[485] | 2110 | if (mExportRays)
|
---|
| 2111 | exporter->ExportRays(rays, RgbColor(1, 1, 0));
|
---|
[503] | 2112 |
|
---|
[485] | 2113 | if (mExportGeometry)
|
---|
[442] | 2114 | exporter->ExportGeometry(objects);
|
---|
| 2115 |
|
---|
| 2116 | delete exporter;
|
---|
| 2117 | }
|
---|
| 2118 | }
|
---|
| 2119 |
|
---|
[503] | 2120 |
|
---|
[485] | 2121 | void VspBspViewCellsManager::ExportBspPvs(const ObjectContainer &objects,
|
---|
| 2122 | const VssRayContainer &rays)
|
---|
[442] | 2123 | {
|
---|
| 2124 | const int leafOut = 10;
|
---|
[503] | 2125 |
|
---|
[442] | 2126 | ViewCell::NewMail();
|
---|
[503] | 2127 |
|
---|
[442] | 2128 | cout << "visualization using " << mVisualizationSamples << " samples" << endl;
|
---|
[475] | 2129 | Debug << "\nOutput view cells: " << endl;
|
---|
[503] | 2130 |
|
---|
[485] | 2131 | // sort view cells to visualize the largest view cells
|
---|
[478] | 2132 | #if 0
|
---|
| 2133 | stable_sort(mViewCells.begin(), mViewCells.end(), vc_gt);
|
---|
| 2134 | #endif
|
---|
[503] | 2135 | int limit = min(leafOut, (int)mViewCells.size());
|
---|
[483] | 2136 |
|
---|
[485] | 2137 | #if 1
|
---|
| 2138 | //-- some rays for output
|
---|
| 2139 | vector<BspRay *> bspRays;
|
---|
| 2140 | mVspBspTree->ConstructBspRays(bspRays, rays);
|
---|
| 2141 |
|
---|
| 2142 | const int raysOut = min((int)bspRays.size(), mVisualizationSamples);
|
---|
| 2143 | #endif
|
---|
| 2144 |
|
---|
[478] | 2145 | for (int i = 0; i < limit; ++ i)
|
---|
[442] | 2146 | {
|
---|
[478] | 2147 | cout << "creating output for view cell " << i << " ... ";
|
---|
[503] | 2148 |
|
---|
[478] | 2149 | VssRayContainer vcRays;
|
---|
[485] | 2150 | Intersectable::NewMail();
|
---|
[478] | 2151 | #if 0
|
---|
| 2152 | BspViewCell *vc = dynamic_cast<BspViewCell *>(mViewCells[i]);
|
---|
| 2153 | #else
|
---|
[485] | 2154 | BspViewCell *vc = dynamic_cast<BspViewCell *>
|
---|
| 2155 | (mViewCells[Random((int)mViewCells.size())]);
|
---|
[478] | 2156 | #endif
|
---|
[442] | 2157 |
|
---|
[483] | 2158 | #if 1
|
---|
[478] | 2159 | // check whether we can add the current ray to the output rays
|
---|
[503] | 2160 | for (int k = 0; k < raysOut; ++ k)
|
---|
[442] | 2161 | {
|
---|
[485] | 2162 | BspRay *ray = bspRays[k];
|
---|
[478] | 2163 | for (int j = 0; j < (int)ray->intersections.size(); ++ j)
|
---|
[442] | 2164 | {
|
---|
[478] | 2165 | BspLeaf *leaf = ray->intersections[j].mLeaf;
|
---|
[503] | 2166 | if (vc == leaf->GetViewCell())
|
---|
[478] | 2167 | vcRays.push_back(ray->vssRay);
|
---|
[442] | 2168 | }
|
---|
| 2169 | }
|
---|
[478] | 2170 | #endif
|
---|
| 2171 | //bspLeaves[j]->Mail();
|
---|
| 2172 | char s[64]; sprintf(s, "bsp-pvs%04d.x3d", i);
|
---|
| 2173 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
| 2174 | exporter->SetWireframe();
|
---|
[442] | 2175 |
|
---|
[478] | 2176 | Material m;//= RandomMaterial();
|
---|
| 2177 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 2178 | exporter->SetForcedMaterial(m);
|
---|
[442] | 2179 |
|
---|
[503] | 2180 | ExportVcGeometry(exporter, vc);
|
---|
| 2181 |
|
---|
| 2182 |
|
---|
| 2183 | Debug << i << ": pvs size=" << (int)vc->GetPvs().GetSize()
|
---|
[485] | 2184 | << ", piercing rays=" << (int)vcRays.size()
|
---|
| 2185 | << ", leaves=" << (int)vc->mLeaves.size() << endl;
|
---|
[503] | 2186 |
|
---|
[485] | 2187 | //-- export rays piercing this view cell
|
---|
[483] | 2188 | #if 1
|
---|
[495] | 2189 | exporter->ExportRays(vcRays, RgbColor(1, 1, 1));
|
---|
[483] | 2190 | #endif
|
---|
[478] | 2191 | #if 0
|
---|
| 2192 | vector<BspLeaf *>::const_iterator lit, lit_end = vc->mLeaves.end();
|
---|
[483] | 2193 |
|
---|
[478] | 2194 | for (lit = vc->mLeaves.begin(); lit != lit_end; ++ lit)
|
---|
| 2195 | exporter->ExportRays((*lit)->mVssRays);
|
---|
| 2196 | #endif
|
---|
| 2197 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 2198 | exporter->SetForcedMaterial(m);
|
---|
[442] | 2199 |
|
---|
[478] | 2200 | ObjectPvsMap::const_iterator it,
|
---|
| 2201 | it_end = vc->GetPvs().mEntries.end();
|
---|
[442] | 2202 |
|
---|
[478] | 2203 | exporter->SetFilled();
|
---|
[442] | 2204 |
|
---|
[478] | 2205 | // output PVS of view cell
|
---|
[503] | 2206 | for (it = vc->GetPvs().mEntries.begin(); it != it_end; ++ it)
|
---|
[478] | 2207 | {
|
---|
| 2208 | Intersectable *intersect = (*it).first;
|
---|
[442] | 2209 |
|
---|
[478] | 2210 | if (!intersect->Mailed())
|
---|
| 2211 | {
|
---|
| 2212 | Material m = RandomMaterial();
|
---|
| 2213 | exporter->SetForcedMaterial(m);
|
---|
| 2214 |
|
---|
| 2215 | exporter->ExportIntersectable(intersect);
|
---|
| 2216 | intersect->Mail();
|
---|
[503] | 2217 | }
|
---|
[442] | 2218 | }
|
---|
[503] | 2219 |
|
---|
[478] | 2220 | DEL_PTR(exporter);
|
---|
| 2221 | cout << "finished" << endl;
|
---|
[442] | 2222 | }
|
---|
[475] | 2223 |
|
---|
[485] | 2224 | #if 1
|
---|
| 2225 | CLEAR_CONTAINER(bspRays);
|
---|
| 2226 | #endif
|
---|
[475] | 2227 | Debug << endl;
|
---|
[442] | 2228 | }
|
---|
| 2229 |
|
---|
| 2230 |
|
---|
[469] | 2231 | int VspBspViewCellsManager::CastLineSegment(const Vector3 &origin,
|
---|
| 2232 | const Vector3 &termination,
|
---|
| 2233 | ViewCellContainer &viewcells)
|
---|
[466] | 2234 | {
|
---|
[469] | 2235 | return mVspBspTree->CastLineSegment(origin, termination, viewcells);
|
---|
[466] | 2236 | }
|
---|
[482] | 2237 |
|
---|
| 2238 |
|
---|
[503] | 2239 | void VspBspViewCellsManager::ExportColor(Exporter *exporter,
|
---|
[482] | 2240 | ViewCell *vc) const
|
---|
| 2241 | {
|
---|
| 2242 | if (mColorCode == 0) // Random color
|
---|
| 2243 | return;
|
---|
[503] | 2244 |
|
---|
[482] | 2245 | float importance = 0;
|
---|
| 2246 |
|
---|
| 2247 | switch (mColorCode)
|
---|
| 2248 | {
|
---|
| 2249 | case 1: // pvs
|
---|
| 2250 | {
|
---|
[503] | 2251 | importance = (float)vc->GetPvs().GetSize() /
|
---|
[482] | 2252 | (float)mViewCellsStats.maxPvs;
|
---|
| 2253 | }
|
---|
| 2254 | break;
|
---|
| 2255 | case 2: // merges
|
---|
| 2256 | {
|
---|
| 2257 | BspViewCell *bspVc = dynamic_cast<BspViewCell *>(vc);
|
---|
| 2258 |
|
---|
[503] | 2259 | importance = (float)bspVc->mLeaves.size() /
|
---|
[482] | 2260 | (float)mViewCellsStats.maxLeaves;
|
---|
| 2261 | }
|
---|
| 2262 | break;
|
---|
| 2263 | case 3: // merge tree differene
|
---|
| 2264 | {
|
---|
[503] | 2265 | importance = (float)GetMaxTreeDiff(vc) /
|
---|
[482] | 2266 | (float)(mVspBspTree->GetStatistics().maxDepth * 2);
|
---|
| 2267 | }
|
---|
| 2268 | break;
|
---|
| 2269 | default:
|
---|
| 2270 | break;
|
---|
| 2271 | }
|
---|
| 2272 |
|
---|
| 2273 | Material m;
|
---|
| 2274 | m.mDiffuseColor.b = 1.0f;
|
---|
| 2275 | m.mDiffuseColor.r = importance;
|
---|
| 2276 | m.mDiffuseColor.g = 1.0f - m.mDiffuseColor.r;
|
---|
| 2277 | //Debug << "importance: " << importance << endl;
|
---|
| 2278 | exporter->SetForcedMaterial(m);
|
---|
| 2279 | }
|
---|
| 2280 |
|
---|
| 2281 |
|
---|
[503] | 2282 | void VspBspViewCellsManager::ExportVcGeometry(Exporter *exporter,
|
---|
[485] | 2283 | ViewCell *vc) const
|
---|
[482] | 2284 | {
|
---|
[485] | 2285 | #if 1
|
---|
[503] | 2286 | if (vc->GetMesh())
|
---|
| 2287 | {
|
---|
| 2288 | exporter->ExportMesh(vc->GetMesh());
|
---|
| 2289 | return;
|
---|
| 2290 | }
|
---|
| 2291 |
|
---|
[485] | 2292 | BspNodeGeometry geom;
|
---|
| 2293 | mVspBspTree->
|
---|
[503] | 2294 | ConstructGeometry(dynamic_cast<BspViewCell *>(vc), geom);
|
---|
[485] | 2295 | exporter->ExportPolygons(geom.mPolys);
|
---|
| 2296 | #else
|
---|
[503] | 2297 |
|
---|
[485] | 2298 | Material m2;
|
---|
| 2299 | m2.mDiffuseColor.b = 0.3f + Random(0.7f);
|
---|
| 2300 | m2.mDiffuseColor.r = 0.0f;//0.3f + Random(0.7f);
|
---|
| 2301 | m2.mDiffuseColor.g = 0.3f + Random(0.7f);
|
---|
| 2302 | Material m;
|
---|
| 2303 | m.mDiffuseColor.b = 0.0f;
|
---|
| 2304 | m.mDiffuseColor.r = 1.0f;
|
---|
| 2305 | m.mDiffuseColor.g = 0.0f;
|
---|
[482] | 2306 |
|
---|
[485] | 2307 | BspViewCell *bspVc = dynamic_cast<BspViewCell *>(vc);
|
---|
| 2308 | vector<BspLeaf *>::const_iterator it, it_end = bspVc->mLeaves.end();
|
---|
| 2309 |
|
---|
| 2310 | for (it = bspVc->mLeaves.begin(); it != it_end; ++ it)
|
---|
| 2311 | {
|
---|
| 2312 | if ((*it)->Mailed())
|
---|
| 2313 | exporter->SetForcedMaterial(m);
|
---|
| 2314 | else
|
---|
| 2315 | exporter->SetForcedMaterial(m2);
|
---|
| 2316 | //exporter->ResetForcedMaterial();
|
---|
| 2317 | BspNodeGeometry geom;
|
---|
| 2318 | mVspBspTree->ConstructGeometry(*it, geom);
|
---|
| 2319 | exporter->ExportPolygons(geom.mPolys);
|
---|
[482] | 2320 | }
|
---|
[485] | 2321 | #endif
|
---|
[482] | 2322 | }
|
---|
| 2323 |
|
---|
| 2324 |
|
---|
| 2325 | int VspBspViewCellsManager::GetMaxTreeDiff(ViewCell *vc) const
|
---|
| 2326 | {
|
---|
| 2327 | BspViewCell *bspVc = dynamic_cast<BspViewCell *>(vc);
|
---|
| 2328 |
|
---|
| 2329 | int maxDist = 0;
|
---|
| 2330 | // compute max height difference
|
---|
| 2331 | for (int i = 0; i < (int)bspVc->mLeaves.size(); ++ i)
|
---|
| 2332 | for (int j = 0; j < (int)bspVc->mLeaves.size(); ++ j)
|
---|
| 2333 | {
|
---|
| 2334 | BspLeaf *leaf = bspVc->mLeaves[i];
|
---|
| 2335 |
|
---|
| 2336 | if (i != j)
|
---|
| 2337 | {
|
---|
| 2338 | BspLeaf *leaf2 = bspVc->mLeaves[j];
|
---|
| 2339 | int dist = mVspBspTree->TreeDistance(leaf, leaf2);
|
---|
| 2340 | if (dist > maxDist)
|
---|
| 2341 | maxDist = dist;
|
---|
| 2342 | }
|
---|
| 2343 | }
|
---|
[492] | 2344 | return maxDist;
|
---|
| 2345 | }
|
---|
[482] | 2346 |
|
---|
[492] | 2347 |
|
---|
[503] | 2348 | ViewCell *VspBspViewCellsManager::GetViewCell(const Vector3 &point)
|
---|
[492] | 2349 | {
|
---|
[508] | 2350 | if (!mVspBspTree)
|
---|
| 2351 | return NULL;
|
---|
| 2352 | return mVspBspTree->GetViewCell(point);
|
---|
[492] | 2353 | }
|
---|
[503] | 2354 |
|
---|
| 2355 |
|
---|
| 2356 | void VspBspViewCellsManager::CreateMesh(ViewCell *vc)
|
---|
| 2357 | {
|
---|
| 2358 | BspNodeGeometry geom;
|
---|
| 2359 | BspViewCell *bspVc = dynamic_cast<BspViewCell *>(vc);
|
---|
| 2360 | mVspBspTree->ConstructGeometry(bspVc, geom);
|
---|
| 2361 |
|
---|
| 2362 | Mesh *mesh = new Mesh();
|
---|
| 2363 | geom.AddToMesh(*mesh);
|
---|
| 2364 | vc->SetMesh(mesh);
|
---|
| 2365 | mMeshContainer.push_back(mesh);
|
---|
| 2366 | }
|
---|
[508] | 2367 |
|
---|
| 2368 |
|
---|
| 2369 | bool VspBspViewCellsManager::LoadViewCells(const string filename, ObjectContainer *objects)
|
---|
| 2370 | {
|
---|
| 2371 | ViewCellsParser parser;
|
---|
| 2372 |
|
---|
| 2373 | DEL_PTR(mVspBspTree);
|
---|
| 2374 | mVspBspTree = new VspBspTree();
|
---|
| 2375 |
|
---|
| 2376 | bool success = parser.ParseFile(filename, mVspBspTree, this, objects);
|
---|
[520] | 2377 | mVspBspTree->RepairViewCellsLeafLists();
|
---|
| 2378 | mVspBspTree->mBox = GetViewSpaceBox();
|
---|
[508] | 2379 | ResetViewCells();
|
---|
[517] | 2380 | CreateViewCellMeshes();
|
---|
| 2381 |
|
---|
[508] | 2382 | Debug << (int)mViewCells.size() << " view cells loaded" << endl;
|
---|
| 2383 |
|
---|
[517] | 2384 | mViewCellsFinished = true;
|
---|
| 2385 |
|
---|
[508] | 2386 | return success;
|
---|
| 2387 | }
|
---|
| 2388 |
|
---|
| 2389 |
|
---|
| 2390 | inline bool ilt(Intersectable *obj1, Intersectable *obj2)
|
---|
| 2391 | {
|
---|
| 2392 | return obj1->mId < obj2->mId;
|
---|
| 2393 | }
|
---|
| 2394 |
|
---|
| 2395 |
|
---|
| 2396 | bool VspBspViewCellsManager::ExportViewCells(const string filename)
|
---|
| 2397 | {
|
---|
| 2398 | cout << "exporting view cells to xml ... ";
|
---|
| 2399 | std::ofstream stream;
|
---|
| 2400 |
|
---|
| 2401 | // for output we need unique ids
|
---|
| 2402 | CreateUniqueViewCellIds();
|
---|
| 2403 |
|
---|
| 2404 | stream.open(filename.c_str());
|
---|
| 2405 | stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"<<endl;
|
---|
| 2406 | stream << "<Visibility_Solution>" << endl;
|
---|
| 2407 |
|
---|
| 2408 | //-- load the view cells itself, i.e., the ids and the pvs
|
---|
| 2409 | stream << "<ViewCells>" << endl;
|
---|
| 2410 | ViewCellContainer::const_iterator it, it_end = mViewCells.end();
|
---|
| 2411 | for (it = mViewCells.begin(); it != it_end; ++ it)
|
---|
| 2412 | ExportViewCell(*it, stream);
|
---|
| 2413 |
|
---|
| 2414 | stream << "</ViewCells>" << endl;
|
---|
| 2415 |
|
---|
| 2416 | //-- load the hierarchy
|
---|
| 2417 | stream << "<BspTree>" << endl;
|
---|
| 2418 | mVspBspTree->Export(stream);
|
---|
| 2419 | stream << endl << "</BspTree>" << endl;
|
---|
| 2420 |
|
---|
| 2421 | stream << "</Visibility_Solution>" << endl;
|
---|
| 2422 | stream.close();
|
---|
| 2423 |
|
---|
| 2424 | cout << "finished" << endl;
|
---|
| 2425 |
|
---|
| 2426 | return true;
|
---|
| 2427 | } |
---|