[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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| 12 |
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| 13 |
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| 14 |
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| 15 | ViewCellsManager::ViewCellsManager():
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| 16 | mRenderSimulator(NULL),
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| 17 | mConstructionSamples(0),
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| 18 | mPostProcessSamples(0),
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| 19 | mVisualizationSamples(0)
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| 20 | {
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[441] | 21 | // post processing stuff |
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| 22 | environment->GetIntValue("ViewCells.PostProcessing.minPvsDif", mMinPvsDif); |
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| 23 | environment->GetIntValue("ViewCells.PostProcessing.minPvs", mMinPvs); |
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| 24 | environment->GetIntValue("ViewCells.PostProcessing.maxPvs", mMaxPvs);
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[440] | 25 | }
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| 26 |
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| 27 | ViewCellsManager::ViewCellsManager(int constructionSamples):
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| 28 | mConstructionSamples(constructionSamples),
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| 29 | mRenderSimulator(NULL),
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| 30 | mPostProcessSamples(0),
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| 31 | mVisualizationSamples(0)
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| 32 | {
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[441] | 33 | // post processing stuff |
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| 34 | environment->GetIntValue("ViewCells.PostProcessing.minPvsDif", mMinPvsDif); |
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| 35 | environment->GetIntValue("ViewCells.PostProcessing.minPvs", mMinPvs); |
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| 36 | environment->GetIntValue("ViewCells.PostProcessing.maxPvs", mMaxPvs);
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[440] | 37 | }
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| 38 |
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| 39 | ViewCellsManager::~ViewCellsManager()
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| 40 | {
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| 41 | DEL_PTR(mRenderSimulator);
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| 42 | }
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| 43 |
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| 44 | void ViewCellsManager::InitRenderSimulator()
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| 45 | {
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| 46 | float objRenderCost = 0, vcOverhead = 0, moveSpeed = 0;
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| 47 |
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| 48 | environment->GetFloatValue("Simulation.objRenderCost",objRenderCost);
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| 49 | environment->GetFloatValue("Simulation.vcOverhead", vcOverhead);
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| 50 | environment->GetFloatValue("Simulation.moveSpeed", moveSpeed);
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| 51 |
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| 52 | mRenderSimulator->SetObjectRenderCost(objRenderCost);
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| 53 | mRenderSimulator->SetVcOverhead(vcOverhead);
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| 54 | mRenderSimulator->SetMoveSpeed(moveSpeed);
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| 55 | }
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| 56 |
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| 57 | bool ViewCellsManager::LoadViewCells(const string filename)
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| 58 | {
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| 59 | X3dParser parser;
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| 60 |
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| 61 | environment->GetFloatValue("ViewCells.height", parser.mViewCellHeight);
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| 62 |
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| 63 | bool success = parser.ParseFile(filename, *this);
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| 64 | Debug << (int)mViewCells.size() << " view cells loaded" << endl;
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| 65 |
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| 66 | return success;
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| 67 | }
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| 68 |
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[441] | 69 | void ViewCellsManager::ComputeSampleContributions(const RayContainer &rays,
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| 70 | const bool castRays,
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| 71 | int &sampleContributions,
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| 72 | int &contributingSamples)
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[440] | 73 | {
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[441] | 74 | // view cells not yet constructed
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| 75 | if (!ViewCellsConstructed())
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| 76 | return;
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[440] | 77 |
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| 78 | RayContainer::const_iterator it, it_end = rays.end();
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| 79 |
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| 80 | for (it = rays.begin(); it != it_end; ++ it)
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[441] | 81 | {
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| 82 | sampleContributions +=ComputeSampleContributions(*(*it), castRays);
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| 83 | contributingSamples += sampleContributions > 0;
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| 84 | }
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[440] | 85 | }
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| 86 |
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| 87 | void ViewCellsManager::AddViewCell(ViewCell *viewCell)
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| 88 | {
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| 89 | mViewCells.push_back(viewCell);
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| 90 | }
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| 91 |
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| 92 | void ViewCellsManager::DeriveViewCells(const ObjectContainer &objects,
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| 93 | ViewCellContainer &viewCells,
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| 94 | const int maxViewCells) const
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| 95 | {
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| 96 | // maximal max viewcells
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| 97 | int limit = maxViewCells > 0 ?
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| 98 | Min((int)objects.size(), maxViewCells) : (int)objects.size();
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| 99 |
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| 100 | for (int i = 0; i < limit; ++ i)
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| 101 | {
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| 102 | Intersectable *object = objects[i];
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| 103 |
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| 104 | // extract the mesh instances
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| 105 | if (object->Type() == Intersectable::MESH_INSTANCE)
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| 106 | {
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| 107 | MeshInstance *inst = dynamic_cast<MeshInstance *>(object);
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| 108 |
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| 109 | ViewCell *viewCell = GenerateViewCell(inst->GetMesh());
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| 110 | viewCells.push_back(viewCell);
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| 111 | }
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| 112 | //TODO: transformed meshes
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| 113 | }
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| 114 | }
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| 115 |
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| 116 | ViewCell *ViewCellsManager::ExtrudeViewCell(const Triangle3 &baseTri,
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| 117 | const float height) const
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| 118 | {
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| 119 | // one mesh per view cell
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| 120 | Mesh *mesh = new Mesh();
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| 121 |
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| 122 | //-- construct prism
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| 123 |
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| 124 | // bottom
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| 125 | mesh->mFaces.push_back(new Face(2,1,0));
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| 126 | // top
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| 127 | mesh->mFaces.push_back(new Face(3,4,5));
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| 128 | // sides
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| 129 | mesh->mFaces.push_back(new Face(1, 4, 3, 0));
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| 130 | mesh->mFaces.push_back(new Face(2, 5, 4, 1));
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| 131 | mesh->mFaces.push_back(new Face(3, 5, 2, 0));
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| 132 |
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| 133 | //--- extrude new vertices for top of prism
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| 134 | Vector3 triNorm = baseTri.GetNormal();
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| 135 |
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| 136 | Triangle3 topTri;
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| 137 |
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| 138 | // add base vertices and calculate top vertices
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| 139 | for (int i = 0; i < 3; ++ i)
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| 140 | mesh->mVertices.push_back(baseTri.mVertices[i]);
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| 141 |
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| 142 | // add top vertices
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| 143 | for (int i = 0; i < 3; ++ i)
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| 144 | mesh->mVertices.push_back(baseTri.mVertices[i] + height * triNorm);
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| 145 |
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| 146 | mesh->Preprocess();
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| 147 |
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| 148 | return GenerateViewCell(mesh);
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| 149 | }
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| 150 |
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[441] | 151 | ViewCell *ViewCellsManager::MergeViewCells(ViewCell &front, ViewCell &back) const
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[440] | 152 | {
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| 153 | ViewCell *vc = GenerateViewCell();
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| 154 | // merge pvs
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| 155 | vc->GetPvs().Merge(front.GetPvs(), back.GetPvs());
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| 156 |
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| 157 | // merge ray sets
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| 158 | stable_sort(front.mPiercingRays.begin(), front.mPiercingRays.end());
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| 159 | stable_sort(back.mPiercingRays.begin(), back.mPiercingRays.end());
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| 160 |
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| 161 | std::merge(front.mPiercingRays.begin(), front.mPiercingRays.end(),
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| 162 | back.mPiercingRays.begin(), back.mPiercingRays.end(),
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| 163 | vc->mPiercingRays.begin());
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| 164 |
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| 165 | return vc;
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| 166 | }
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| 167 |
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| 168 | SimulationStatistics ViewCellsManager::SimulateRendering() const
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| 169 | {
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[441] | 170 | if (!ViewCellsConstructed())
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| 171 | return SimulationStatistics();
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| 172 |
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[440] | 173 | return mRenderSimulator->SimulateRendering();
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| 174 | }
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| 175 |
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| 176 | ViewCell *ViewCellsManager::GenerateViewCell(Mesh *mesh) const
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| 177 | {
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| 178 | return new ViewCell(mesh);
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| 179 | }
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| 180 |
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| 181 |
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| 182 | void ViewCellsManager::SetVisualizationSamples(const int visSamples)
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| 183 | {
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| 184 | int mVisualizationSamples = visSamples;
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| 185 | }
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| 186 |
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| 187 | void ViewCellsManager::SetConstructionSamples(const int constructionSamples)
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| 188 | {
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| 189 | mConstructionSamples = constructionSamples;
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| 190 | }
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| 191 |
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| 192 | void ViewCellsManager::SetPostProcessSamples(const int postProcessSamples)
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| 193 | {
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| 194 | mPostProcessSamples = postProcessSamples;
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| 195 | }
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| 196 |
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| 197 | int ViewCellsManager::GetVisualizationSamples() const
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| 198 | {
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| 199 | return mVisualizationSamples;
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| 200 | }
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| 201 |
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| 202 | int ViewCellsManager::GetConstructionSamples() const
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| 203 | {
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| 204 | return mConstructionSamples;
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| 205 | }
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| 206 |
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| 207 | int ViewCellsManager::GetPostProcessSamples() const
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| 208 | {
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| 209 | return mPostProcessSamples;
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| 210 | }
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| 211 |
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| 212 | /**********************************************************************/
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| 213 | /* BspViewCellsManager implementation */
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| 214 | /**********************************************************************/
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| 215 |
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| 216 | BspViewCellsManager::BspViewCellsManager(BspTree *bspTree, int constructionSamples):
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| 217 | ViewCellsManager(constructionSamples),
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| 218 | mBspTree(bspTree)
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| 219 | {
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| 220 | mRenderSimulator = new BspRenderSimulator(bspTree);
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| 221 | InitRenderSimulator();
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| 222 | }
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| 223 |
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| 224 | bool BspViewCellsManager::ViewCellsConstructed() const
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| 225 | {
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| 226 | return mBspTree->GetRoot() != NULL;
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| 227 | }
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| 228 |
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| 229 | ViewCell *BspViewCellsManager::GenerateViewCell(Mesh *mesh) const
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| 230 | {
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| 231 | return new BspViewCell(mesh);
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| 232 | }
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| 233 |
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| 234 | int BspViewCellsManager::Construct(const ObjectContainer &objects,
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| 235 | const VssRayContainer &rays,
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| 236 | AxisAlignedBox3 *sceneBbox)
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| 237 | {
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[441] | 238 | // if view cells were already constructed
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[440] | 239 | if (ViewCellsConstructed())
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| 240 | return 0;
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| 241 |
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[441] | 242 | Debug << "Constructing bsp view cells" << endl;
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| 243 |
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[440] | 244 | int sampleContributions = 0;
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| 245 |
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| 246 | RayContainer sampleRays;
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| 247 |
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| 248 | int limit = min (mConstructionSamples, (int)rays.size());
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| 249 |
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| 250 | for (int i = 0; i < limit; ++ i)
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| 251 | sampleRays.push_back(new Ray(*rays[i]));
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| 252 |
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[441] | 253 | if (mViewCells.empty()) // no view cells loaded
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| 254 | mBspTree->Construct(objects, sampleRays);
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| 255 | else
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| 256 | mBspTree->Construct(mViewCells);
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| 257 |
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[440] | 258 | Debug << mBspTree->GetStatistics() << endl;
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| 259 | CLEAR_CONTAINER(sampleRays);
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| 260 |
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| 261 | return sampleContributions;
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| 262 | }
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| 263 |
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[441] | 264 | int BspViewCellsManager::ComputeSampleContributions(Ray &ray, const bool castRay)
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[440] | 265 | {
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[441] | 266 | // view cells not yet constructed
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| 267 | if (!ViewCellsConstructed())
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| 268 | return 0;
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| 269 |
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| 270 | int contributingSamples = 0;
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| 271 |
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| 272 | if (castRay)
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| 273 | mBspTree->CastRay(ray);
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[440] | 274 |
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| 275 | //if (mBspTree->bspIntersections.empty()) return 0;
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| 276 |
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[441] | 277 | Intersectable *tObject =
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[440] | 278 | !ray.intersections.empty() ? ray.intersections[0].mObject : NULL;
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| 279 |
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[441] | 280 | Intersectable *sObject = ray.sourceObject.mObject;
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| 281 |
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| 282 | if (sObject || tObject)
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| 283 | {
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| 284 | // object can be seen from the view cell => add to view cell pvs
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| 285 | for (int j = 0; j < (int)ray.bspIntersections.size(); ++ j)
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| 286 | {
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| 287 | BspLeaf *leaf = ray.bspIntersections[j].mLeaf;
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| 288 |
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| 289 | // if ray not in unbounded space
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| 290 | if (leaf->GetViewCell() != mBspTree->GetRootCell())
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| 291 | {
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| 292 | if (sObject)
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| 293 | {
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| 294 | contributingSamples +=
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| 295 | leaf->GetViewCell()->GetPvs().AddSample(sObject);
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| 296 | }
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| 297 |
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| 298 | if (tObject)
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| 299 | {
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| 300 | contributingSamples +=
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| 301 | leaf->GetViewCell()->GetPvs().AddSample(tObject);
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| 302 | }
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| 303 | }
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| 304 | }
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| 305 | }
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| 306 |
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| 307 | // rays passing through this viewcell
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| 308 | if (0)
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| 309 | for (int j = 1; j < ((int)ray.bspIntersections.size() - 1); ++ j)
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| 310 | {
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| 311 | BspLeaf *leaf = ray.bspIntersections[j].mLeaf;
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| 312 |
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| 313 | if (leaf->GetViewCell() != mBspTree->GetRootCell())
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| 314 | leaf->GetViewCell()->
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| 315 | AddPassingRay(ray, contributingSamples ? 1 : 0);
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| 316 | }
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| 317 |
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| 318 | return contributingSamples;
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[440] | 319 | }
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| 320 |
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| 321 | int BspViewCellsManager::PostProcess(const ObjectContainer &objects,
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| 322 | const RayContainer &rays)
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| 323 | {
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[441] | 324 | if (!ViewCellsConstructed())
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| 325 | {
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| 326 | Debug << "view cells not constructed" << endl;
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| 327 | return 0;
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| 328 | }
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| 329 |
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| 330 |
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[440] | 331 | //-- post processing of bsp view cells
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| 332 | int vcSize = 0;
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| 333 | int pvsSize = 0;
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| 334 |
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| 335 | BspViewCellsStatistics stat;
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| 336 | mBspTree->EvaluateViewCellsStats(stat);
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| 337 | Debug << "original view cell partition:\n" << stat << endl;
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| 338 |
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| 339 | if (1) // export view cells
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| 340 | {
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| 341 | cout << "exporting initial view cells (=leaves) ... ";
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| 342 | Exporter *exporter = Exporter::GetExporter("view_cells.x3d");
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| 343 |
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| 344 | if (exporter)
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| 345 | {
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| 346 | exporter->SetWireframe();
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| 347 | exporter->ExportBspLeaves(*mBspTree, stat.maxPvs);
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| 348 | //exporter->ExportBspViewCellPartition(*mBspTree, 0);
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| 349 |
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[441] | 350 | if (0)
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[440] | 351 | {
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| 352 | Material m;//= RandomMaterial();
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| 353 | m.mDiffuseColor = RgbColor(0, 1, 0);
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| 354 | exporter->SetForcedMaterial(m);
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| 355 | exporter->SetWireframe();
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| 356 |
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| 357 | exporter->ExportGeometry(objects);
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| 358 | }
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| 359 |
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| 360 | delete exporter;
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| 361 | }
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| 362 | cout << "finished" << endl;
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| 363 | }
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| 364 |
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| 365 | cout << "starting post processing using " << mPostProcessSamples << " samples ... ";
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| 366 |
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| 367 | long startTime = GetTime();
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| 368 |
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| 369 |
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| 370 | //-- merge or subdivide view cells
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| 371 | int merged = 0;
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| 372 |
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| 373 | RayContainer::const_iterator rit, rit_end = rays.end();
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| 374 | vector<Ray::BspIntersection>::const_iterator iit;
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| 375 |
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| 376 | int limit = min((int)rays.size(), mPostProcessSamples);
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| 377 |
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| 378 | for (int i = 0; i < limit; ++ i)
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| 379 | {
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| 380 | Ray *ray = rays[i];
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| 381 |
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| 382 | // traverse leaves stored in the rays and compare and merge consecutive
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| 383 | // leaves (i.e., the neighbors in the tree)
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| 384 | if (ray->bspIntersections.size() < 2)
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| 385 | continue;
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| 386 |
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| 387 | iit = ray->bspIntersections.begin();
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| 388 |
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| 389 | BspLeaf *previousLeaf = (*iit).mLeaf;
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| 390 | ++ iit;
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| 391 |
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| 392 | for (; iit != ray->bspIntersections.end(); ++ iit)
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| 393 | {
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| 394 | BspLeaf *leaf = (*iit).mLeaf;
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| 395 |
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[441] | 396 | if (ShouldMerge(leaf, previousLeaf))
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[440] | 397 | {
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[441] | 398 | MergeBspLeafViewCells(leaf, previousLeaf);
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[440] | 399 |
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| 400 | ++ merged;
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| 401 | }
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| 402 |
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| 403 | previousLeaf = leaf;
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| 404 | }
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| 405 | }
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| 406 |
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| 407 | //-- stats and visualizations
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| 408 | cout << "finished" << endl;
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| 409 | cout << "merged " << merged << " view cells in "
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| 410 | << TimeDiff(startTime, GetTime()) *1e-3 << " secs" << endl;
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| 411 |
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| 412 | return merged;
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| 413 | }
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| 414 |
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| 415 | int BspViewCellsManager::GetType() const
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| 416 | {
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| 417 | return BSP;
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| 418 | }
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| 419 |
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| 420 |
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| 421 | void BspViewCellsManager::Visualize(const ObjectContainer &objects,
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| 422 | const RayContainer &sampleRays)
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| 423 | {
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[441] | 424 | if (!ViewCellsConstructed())
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| 425 | return;
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| 426 |
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[440] | 427 | //-- recount pvs
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| 428 | BspViewCellsStatistics vcStats;
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| 429 | mBspTree->EvaluateViewCellsStats(vcStats);
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| 430 |
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| 431 | if (1) // export view cells
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| 432 | {
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| 433 | cout << "exporting view cells after merge ... ";
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| 434 | Exporter *exporter = Exporter::GetExporter("merged_view_cells.x3d");
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| 435 |
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| 436 | if (exporter)
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| 437 | {
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| 438 | exporter->ExportBspViewCellPartition(*mBspTree, vcStats.maxPvs);
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| 439 | //exporter->ExportBspViewCellPartition(*mBspTree, 0);
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| 440 | delete exporter;
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| 441 | }
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| 442 |
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| 443 | cout << "finished" << endl;
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| 444 | }
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| 445 |
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| 446 | //-- visualization of the BSP splits
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| 447 | bool exportSplits = false;
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| 448 | environment->GetBoolValue("BspTree.Visualization.exportSplits", exportSplits);
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| 449 |
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| 450 | if (exportSplits)
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| 451 | {
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| 452 | cout << "exporting splits ... ";
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| 453 | ExportSplits(objects, sampleRays);
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| 454 | cout << "finished" << endl;
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| 455 | }
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| 456 |
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| 457 | ExportBspPvs(objects, sampleRays);
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| 458 | }
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| 459 |
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| 460 |
|
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| 461 | inline bool vc_gt(ViewCell *a, ViewCell *b)
|
---|
| 462 | {
|
---|
| 463 | return a->GetPvs().GetSize() > b->GetPvs().GetSize();
|
---|
| 464 | }
|
---|
| 465 |
|
---|
| 466 | void BspViewCellsManager::ExportSplits(const ObjectContainer &objects,
|
---|
| 467 | const RayContainer &sampleRays)
|
---|
| 468 | {
|
---|
| 469 | Exporter *exporter = Exporter::GetExporter("bsp_splits.x3d");
|
---|
| 470 |
|
---|
| 471 | if (exporter)
|
---|
| 472 | {
|
---|
| 473 | Material m;
|
---|
| 474 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 475 | exporter->SetForcedMaterial(m);
|
---|
| 476 | exporter->SetWireframe();
|
---|
| 477 | exporter->ExportBspSplits(*mBspTree, true);
|
---|
| 478 |
|
---|
| 479 | // take forced material, else big scenes cannot be viewed
|
---|
| 480 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 481 | exporter->SetForcedMaterial(m);
|
---|
| 482 | exporter->SetFilled();
|
---|
| 483 |
|
---|
| 484 | exporter->ResetForcedMaterial();
|
---|
| 485 |
|
---|
| 486 | // export rays
|
---|
| 487 | if (0)
|
---|
| 488 | {
|
---|
| 489 | RayContainer outRays;
|
---|
| 490 |
|
---|
| 491 | int raysSize = min((int)sampleRays.size(), mVisualizationSamples);
|
---|
| 492 |
|
---|
| 493 | for (int i = 0; i < raysSize; ++ i)
|
---|
| 494 | {
|
---|
| 495 | // only rays piercing geometry
|
---|
| 496 | if (!sampleRays[i]->intersections.empty())
|
---|
| 497 | outRays.push_back(sampleRays[i]);
|
---|
| 498 | }
|
---|
| 499 |
|
---|
| 500 | // export rays
|
---|
| 501 | exporter->ExportRays(outRays, 1000, RgbColor(1, 1, 0));
|
---|
| 502 | }
|
---|
| 503 |
|
---|
[441] | 504 | if (0)
|
---|
[440] | 505 | exporter->ExportGeometry(objects);
|
---|
| 506 |
|
---|
| 507 | delete exporter;
|
---|
| 508 | }
|
---|
| 509 | }
|
---|
| 510 |
|
---|
| 511 | void BspViewCellsManager::ExportBspPvs(const ObjectContainer &objects,
|
---|
| 512 | const RayContainer &sampleRays)
|
---|
| 513 | {
|
---|
| 514 | const int leafOut = 10;
|
---|
| 515 |
|
---|
| 516 | ViewCell::NewMail();
|
---|
| 517 |
|
---|
| 518 | //-- some rays for output
|
---|
| 519 | const int raysOut = min((int)sampleRays.size(), mVisualizationSamples);
|
---|
| 520 | cout << "visualization using " << mVisualizationSamples << " samples" << endl;
|
---|
| 521 | vector<Ray *> vcRays[leafOut];
|
---|
| 522 |
|
---|
| 523 | if (0)
|
---|
| 524 | {
|
---|
| 525 | //-- some random view cells and rays for output
|
---|
| 526 | vector<BspLeaf *> bspLeaves;
|
---|
| 527 |
|
---|
| 528 | for (int i = 0; i < leafOut; ++ i)
|
---|
| 529 | bspLeaves.push_back(mBspTree->GetRandomLeaf());
|
---|
| 530 |
|
---|
| 531 | for (int i = 0; i < bspLeaves.size(); ++ i)
|
---|
| 532 | {
|
---|
| 533 | cout << "creating output for view cell " << i << " ... ";
|
---|
| 534 | // check whether we can add the current ray to the output rays
|
---|
| 535 | for (int k = 0; k < raysOut; ++ k)
|
---|
| 536 | {
|
---|
| 537 | Ray *ray = sampleRays[k];
|
---|
| 538 |
|
---|
| 539 | for (int j = 0; j < (int)ray->bspIntersections.size(); ++ j)
|
---|
| 540 | {
|
---|
| 541 | BspLeaf *leaf = ray->bspIntersections[j].mLeaf;
|
---|
| 542 |
|
---|
| 543 | if (bspLeaves[i]->GetViewCell() == leaf->GetViewCell())
|
---|
| 544 | {
|
---|
| 545 | vcRays[i].push_back(ray);
|
---|
| 546 | }
|
---|
| 547 | }
|
---|
| 548 | }
|
---|
| 549 |
|
---|
| 550 | Intersectable::NewMail();
|
---|
| 551 |
|
---|
| 552 | BspViewCell *vc = dynamic_cast<BspViewCell *>(bspLeaves[i]->GetViewCell());
|
---|
| 553 |
|
---|
| 554 | //bspLeaves[j]->Mail();
|
---|
| 555 | char s[64]; sprintf(s, "bsp-pvs%04d.x3d", i);
|
---|
| 556 |
|
---|
| 557 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
| 558 | exporter->SetFilled();
|
---|
| 559 |
|
---|
| 560 | ViewCellPvsMap::iterator it = vc->GetPvs().mEntries.begin();
|
---|
| 561 |
|
---|
| 562 | exporter->SetWireframe();
|
---|
| 563 | //exporter->SetFilled();
|
---|
| 564 |
|
---|
| 565 | Material m;//= RandomMaterial();
|
---|
| 566 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 567 | exporter->SetForcedMaterial(m);
|
---|
| 568 |
|
---|
| 569 | if (vc->GetMesh())
|
---|
| 570 | exporter->ExportViewCell(vc);
|
---|
| 571 | else
|
---|
| 572 | {
|
---|
| 573 | PolygonContainer cell;
|
---|
| 574 | // export view cell geometry
|
---|
| 575 | mBspTree->ConstructGeometry(vc, cell);
|
---|
| 576 | exporter->ExportPolygons(cell);
|
---|
| 577 | CLEAR_CONTAINER(cell);
|
---|
| 578 | }
|
---|
| 579 |
|
---|
| 580 | Debug << i << ": pvs size=" << (int)vc->GetPvs().GetSize()
|
---|
| 581 | << ", piercing rays=" << (int)vcRays[i].size() << endl;
|
---|
| 582 |
|
---|
| 583 | // export rays piercing this view cell
|
---|
| 584 | exporter->ExportRays(vcRays[i], 1000, RgbColor(0, 1, 0));
|
---|
| 585 |
|
---|
| 586 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 587 | exporter->SetForcedMaterial(m);
|
---|
| 588 |
|
---|
| 589 | // exporter->SetWireframe();
|
---|
| 590 | exporter->SetFilled();
|
---|
| 591 |
|
---|
| 592 | // output PVS of view cell
|
---|
| 593 | for (; it != vc->GetPvs().mEntries.end(); ++ it)
|
---|
| 594 | {
|
---|
| 595 | Intersectable *intersect = (*it).first;
|
---|
| 596 | if (!intersect->Mailed())
|
---|
| 597 | {
|
---|
| 598 | exporter->ExportIntersectable(intersect);
|
---|
| 599 | intersect->Mail();
|
---|
| 600 | }
|
---|
| 601 | }
|
---|
| 602 |
|
---|
| 603 | // output rest of the objects
|
---|
| 604 | if (0)
|
---|
| 605 | {
|
---|
| 606 | Material m;//= RandomMaterial();
|
---|
| 607 | m.mDiffuseColor = RgbColor(0, 0, 1);
|
---|
| 608 | exporter->SetForcedMaterial(m);
|
---|
| 609 |
|
---|
| 610 | for (int j = 0; j < objects.size(); ++ j)
|
---|
| 611 | if (!objects[j]->Mailed())
|
---|
| 612 | {
|
---|
| 613 | exporter->SetForcedMaterial(m);
|
---|
| 614 | exporter->ExportIntersectable(objects[j]);
|
---|
| 615 | objects[j]->Mail();
|
---|
| 616 | }
|
---|
| 617 | }
|
---|
| 618 | DEL_PTR(exporter);
|
---|
| 619 | cout << "finished" << endl;
|
---|
| 620 | }
|
---|
| 621 | }
|
---|
| 622 | else
|
---|
| 623 | {
|
---|
| 624 | ViewCellContainer viewCells;
|
---|
| 625 |
|
---|
| 626 | mBspTree->CollectViewCells(viewCells);
|
---|
| 627 | stable_sort(viewCells.begin(), viewCells.end(), vc_gt);
|
---|
| 628 |
|
---|
| 629 | int limit = min(leafOut, (int)viewCells.size());
|
---|
| 630 |
|
---|
| 631 | for (int i = 0; i < limit; ++ i)
|
---|
| 632 | {
|
---|
| 633 | cout << "creating output for view cell " << i << " ... ";
|
---|
| 634 |
|
---|
| 635 | Intersectable::NewMail();
|
---|
| 636 | BspViewCell *vc = dynamic_cast<BspViewCell *>(viewCells[i]);
|
---|
| 637 |
|
---|
| 638 | cout << "creating output for view cell " << i << " ... ";
|
---|
| 639 | // check whether we can add the current ray to the output rays
|
---|
| 640 | for (int k = 0; k < raysOut; ++ k)
|
---|
| 641 | {
|
---|
| 642 | Ray *ray = sampleRays[k];
|
---|
| 643 |
|
---|
| 644 | for (int j = 0; j < (int)ray->bspIntersections.size(); ++ j)
|
---|
| 645 | {
|
---|
| 646 | BspLeaf *leaf = ray->bspIntersections[j].mLeaf;
|
---|
| 647 |
|
---|
| 648 | if (vc == leaf->GetViewCell())
|
---|
| 649 | {
|
---|
| 650 | vcRays[i].push_back(ray);
|
---|
| 651 | }
|
---|
| 652 | }
|
---|
| 653 | }
|
---|
| 654 |
|
---|
| 655 | //bspLeaves[j]->Mail();
|
---|
| 656 | char s[64]; sprintf(s, "bsp-pvs%04d.x3d", i);
|
---|
| 657 |
|
---|
| 658 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
| 659 |
|
---|
| 660 | exporter->SetWireframe();
|
---|
| 661 |
|
---|
| 662 | Material m;//= RandomMaterial();
|
---|
| 663 | m.mDiffuseColor = RgbColor(0, 1, 0);
|
---|
| 664 | exporter->SetForcedMaterial(m);
|
---|
| 665 |
|
---|
| 666 | if (vc->GetMesh())
|
---|
| 667 | exporter->ExportViewCell(vc);
|
---|
| 668 | else
|
---|
| 669 | {
|
---|
| 670 | PolygonContainer cell;
|
---|
| 671 | // export view cell
|
---|
| 672 | mBspTree->ConstructGeometry(vc, cell);
|
---|
| 673 | exporter->ExportPolygons(cell);
|
---|
| 674 | CLEAR_CONTAINER(cell);
|
---|
| 675 | }
|
---|
| 676 |
|
---|
| 677 |
|
---|
| 678 | Debug << i << ": pvs size=" << (int)vc->GetPvs().GetSize()
|
---|
| 679 | << ", piercing rays=" << (int)vcRays[i].size() << endl;
|
---|
| 680 |
|
---|
| 681 |
|
---|
| 682 | // export rays piercing this view cell
|
---|
| 683 | exporter->ExportRays(vcRays[i], 1000, RgbColor(0, 1, 0));
|
---|
| 684 |
|
---|
| 685 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 686 | exporter->SetForcedMaterial(m);
|
---|
| 687 |
|
---|
| 688 | ViewCellPvsMap::const_iterator it,
|
---|
| 689 | it_end = vc->GetPvs().mEntries.end();
|
---|
| 690 |
|
---|
| 691 | // output PVS of view cell
|
---|
| 692 | for (it = vc->GetPvs().mEntries.begin(); it != it_end; ++ it)
|
---|
| 693 | {
|
---|
| 694 | Intersectable *intersect = (*it).first;
|
---|
| 695 | if (!intersect->Mailed())
|
---|
| 696 | {
|
---|
| 697 | Material m = RandomMaterial();
|
---|
| 698 |
|
---|
| 699 | exporter->SetForcedMaterial(m);
|
---|
| 700 |
|
---|
| 701 | exporter->ExportIntersectable(intersect);
|
---|
| 702 | intersect->Mail();
|
---|
| 703 | }
|
---|
| 704 | }
|
---|
| 705 |
|
---|
| 706 | DEL_PTR(exporter);
|
---|
| 707 | cout << "finished" << endl;
|
---|
| 708 | }
|
---|
| 709 | }
|
---|
| 710 | }
|
---|
| 711 |
|
---|
[441] | 712 |
|
---|
| 713 | bool BspViewCellsManager::MergeBspLeafViewCells(BspLeaf *front, BspLeaf *back) const |
---|
| 714 | { |
---|
| 715 | BspViewCell *viewCell = |
---|
| 716 | dynamic_cast<BspViewCell *>(MergeViewCells(*front->GetViewCell(), *back->GetViewCell())); |
---|
| 717 | |
---|
| 718 | if (!viewCell) |
---|
| 719 | return false; |
---|
| 720 | |
---|
| 721 | // change view cells of all leaves associated with the |
---|
| 722 | // previous view cells |
---|
| 723 | |
---|
| 724 | BspViewCell *fVc = front->GetViewCell(); |
---|
| 725 | BspViewCell *bVc = back->GetViewCell(); |
---|
| 726 | |
---|
| 727 | vector<BspLeaf *> fLeaves = fVc->mBspLeaves; |
---|
| 728 | vector<BspLeaf *> bLeaves = bVc->mBspLeaves; |
---|
| 729 | |
---|
| 730 | vector<BspLeaf *>::const_iterator it; |
---|
| 731 | |
---|
| 732 | for (it = fLeaves.begin(); it != fLeaves.end(); ++ it) |
---|
| 733 | { |
---|
| 734 | (*it)->SetViewCell(viewCell); |
---|
| 735 | viewCell->mBspLeaves.push_back(*it); |
---|
| 736 | } |
---|
| 737 | for (it = bLeaves.begin(); it != bLeaves.end(); ++ it) |
---|
| 738 | { |
---|
| 739 | (*it)->SetViewCell(viewCell); |
---|
| 740 | viewCell->mBspLeaves.push_back(*it); |
---|
| 741 | } |
---|
| 742 | |
---|
| 743 | DEL_PTR(fVc); |
---|
| 744 | DEL_PTR(bVc); |
---|
| 745 | |
---|
| 746 | return true; |
---|
| 747 | } |
---|
| 748 | |
---|
| 749 | bool BspViewCellsManager::ShouldMerge(BspLeaf *front, BspLeaf *back) const |
---|
| 750 | { |
---|
| 751 | ViewCell *fvc = front->GetViewCell(); |
---|
| 752 | ViewCell *bvc = back->GetViewCell(); |
---|
| 753 | |
---|
| 754 | if ((fvc == mBspTree->GetRootCell()) || (bvc == mBspTree->GetRootCell()) || (fvc == bvc)) |
---|
| 755 | return false; |
---|
| 756 | |
---|
| 757 | int fdiff = fvc->GetPvs().Diff(bvc->GetPvs()); |
---|
| 758 | |
---|
| 759 | if (fvc->GetPvs().GetSize() + fdiff < mMaxPvs) |
---|
| 760 | { |
---|
| 761 | if ((fvc->GetPvs().GetSize() < mMinPvs) || |
---|
| 762 | (bvc->GetPvs().GetSize() < mMinPvs) || |
---|
| 763 | ((fdiff < mMinPvsDif) && (bvc->GetPvs().Diff(fvc->GetPvs()) < mMinPvsDif))) |
---|
| 764 | { |
---|
| 765 | return true; |
---|
| 766 | } |
---|
| 767 | } |
---|
| 768 | |
---|
| 769 | return false; |
---|
| 770 | } |
---|
| 771 | |
---|
| 772 |
|
---|
| 773 |
|
---|
[440] | 774 | /**********************************************************************/
|
---|
| 775 | /* KdViewCellsManager implementation */
|
---|
| 776 | /**********************************************************************/
|
---|
| 777 |
|
---|
| 778 | KdViewCellsManager::KdViewCellsManager(KdTree *kdTree):
|
---|
| 779 | ViewCellsManager(),
|
---|
| 780 | mKdTree(kdTree),
|
---|
| 781 | mKdPvsDepth(100)
|
---|
| 782 | {
|
---|
| 783 | mRenderSimulator = new KdRenderSimulator(mKdTree);
|
---|
| 784 | InitRenderSimulator();
|
---|
| 785 | }
|
---|
| 786 |
|
---|
| 787 | int KdViewCellsManager::Construct(const ObjectContainer &objects,
|
---|
| 788 | const VssRayContainer &rays,
|
---|
| 789 | AxisAlignedBox3 *sceneBbox)
|
---|
| 790 | {
|
---|
[441] | 791 | // if view cells already constructed
|
---|
[440] | 792 | if (ViewCellsConstructed())
|
---|
| 793 | return 0;
|
---|
[441] | 794 |
|
---|
| 795 | Debug << "Constructing bsp view cells" << endl;
|
---|
[440] | 796 |
|
---|
| 797 | mKdTree->Construct();
|
---|
| 798 |
|
---|
| 799 | return 0;
|
---|
| 800 | }
|
---|
| 801 |
|
---|
| 802 | bool KdViewCellsManager::ViewCellsConstructed() const
|
---|
| 803 | {
|
---|
| 804 | return mKdTree->GetRoot() != NULL;
|
---|
| 805 | }
|
---|
| 806 |
|
---|
| 807 | int KdViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
| 808 | const RayContainer &rays)
|
---|
| 809 | {
|
---|
| 810 | return 0;
|
---|
| 811 | }
|
---|
| 812 |
|
---|
| 813 | void KdViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
| 814 | const RayContainer &sampleRays)
|
---|
| 815 | {
|
---|
[441] | 816 | if (!ViewCellsConstructed())
|
---|
| 817 | return;
|
---|
| 818 |
|
---|
[440] | 819 | const int pvsOut = min((int)objects.size(), 10);
|
---|
| 820 |
|
---|
| 821 | int limit = min(mVisualizationSamples, (int)sampleRays.size());
|
---|
| 822 |
|
---|
| 823 | RayContainer *rays = new RayContainer[pvsOut];
|
---|
| 824 |
|
---|
| 825 | for (int i = 0; i < limit; ++ i)
|
---|
| 826 | {
|
---|
| 827 | Ray *ray = sampleRays[i];
|
---|
| 828 |
|
---|
| 829 | if (!ray->intersections.empty())
|
---|
| 830 | {
|
---|
| 831 | // check whether we can add this to the rays
|
---|
| 832 | for (int j = 0; j < pvsOut; j++)
|
---|
| 833 | {
|
---|
| 834 | if (objects[j] == ray->intersections[0].mObject)
|
---|
| 835 | {
|
---|
| 836 | rays[j].push_back(ray);
|
---|
| 837 | }
|
---|
| 838 | }
|
---|
| 839 | }
|
---|
| 840 | }
|
---|
| 841 |
|
---|
| 842 | bool exportRays = false;
|
---|
| 843 | if (exportRays) {
|
---|
| 844 | Exporter *exporter = NULL;
|
---|
| 845 | exporter = Exporter::GetExporter("sample-rays.x3d");
|
---|
| 846 | exporter->SetWireframe();
|
---|
| 847 | exporter->ExportKdTree(*mKdTree);
|
---|
| 848 |
|
---|
| 849 | for (i=0; i < pvsOut; i++)
|
---|
| 850 | exporter->ExportRays(rays[i], 1000, RgbColor(1, 0, 0));
|
---|
| 851 | exporter->SetFilled();
|
---|
| 852 |
|
---|
| 853 | delete exporter;
|
---|
| 854 | }
|
---|
| 855 |
|
---|
| 856 | for (int k=0; k < pvsOut; k++)
|
---|
| 857 | {
|
---|
| 858 | Intersectable *object = objects[k];
|
---|
| 859 | char s[64];
|
---|
| 860 | sprintf(s, "sample-pvs%04d.x3d", k);
|
---|
| 861 |
|
---|
| 862 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
| 863 | exporter->SetWireframe();
|
---|
| 864 |
|
---|
| 865 | KdPvsMap::iterator i = object->mKdPvs.mEntries.begin();
|
---|
| 866 | Intersectable::NewMail();
|
---|
| 867 |
|
---|
| 868 | // avoid adding the object to the list
|
---|
| 869 | object->Mail();
|
---|
| 870 | ObjectContainer visibleObjects;
|
---|
| 871 |
|
---|
| 872 | for (; i != object->mKdPvs.mEntries.end(); i++)
|
---|
| 873 | {
|
---|
| 874 | KdNode *node = (*i).first;
|
---|
| 875 | exporter->ExportBox(mKdTree->GetBox(node));
|
---|
| 876 | mKdTree->CollectObjects(node, visibleObjects);
|
---|
| 877 | }
|
---|
| 878 |
|
---|
| 879 | exporter->ExportRays(rays[k], 1000, RgbColor(0, 1, 0));
|
---|
| 880 | exporter->SetFilled();
|
---|
| 881 |
|
---|
| 882 | for (int j = 0; j < visibleObjects.size(); j++)
|
---|
| 883 | exporter->ExportIntersectable(visibleObjects[j]);
|
---|
| 884 |
|
---|
| 885 | Material m;
|
---|
| 886 | m.mDiffuseColor = RgbColor(1, 0, 0);
|
---|
| 887 | exporter->SetForcedMaterial(m);
|
---|
| 888 | exporter->ExportIntersectable(object);
|
---|
| 889 |
|
---|
| 890 | delete exporter;
|
---|
| 891 | }
|
---|
| 892 | DEL_PTR(rays);
|
---|
| 893 | }
|
---|
| 894 |
|
---|
| 895 | int KdViewCellsManager::GetType() const
|
---|
| 896 | {
|
---|
| 897 | return ViewCellsManager::KD;
|
---|
| 898 | }
|
---|
| 899 |
|
---|
[441] | 900 | int KdViewCellsManager::ComputeSampleContributions(Ray &ray, const bool castRay)
|
---|
[440] | 901 | {
|
---|
[441] | 902 | // view cells not yet constructed
|
---|
| 903 | if (!ViewCellsConstructed())
|
---|
[440] | 904 | return 0;
|
---|
| 905 |
|
---|
[441] | 906 | if (castRay)
|
---|
| 907 | mKdTree->CastRay(ray);
|
---|
| 908 |
|
---|
| 909 | if (ray.kdLeaves.empty())
|
---|
| 910 | return 0;
|
---|
| 911 |
|
---|
| 912 | Intersectable *tObject =
|
---|
[440] | 913 | !ray.intersections.empty() ? ray.intersections[0].mObject : NULL;
|
---|
| 914 |
|
---|
[441] | 915 | Intersectable *sObject =
|
---|
| 916 | ray.sourceObject.mObject;
|
---|
[440] | 917 |
|
---|
| 918 | int contributingSamples = 0;
|
---|
| 919 |
|
---|
| 920 | int objects = 0;
|
---|
| 921 |
|
---|
| 922 | if (sObject)
|
---|
| 923 | objects++;
|
---|
| 924 | if (tObject)
|
---|
| 925 | objects++;
|
---|
| 926 |
|
---|
| 927 | for (int j = 1; j < ((int)ray.kdLeaves.size() - 1); ++ j)
|
---|
| 928 | {
|
---|
| 929 | ray.kdLeaves[j]->AddPassingRay2(ray, objects,
|
---|
| 930 | (int)ray.kdLeaves.size());
|
---|
| 931 | }
|
---|
| 932 |
|
---|
| 933 | if (!objects)
|
---|
| 934 | return 0;
|
---|
| 935 |
|
---|
| 936 | for (int j=0; j < ray.kdLeaves.size(); j++)
|
---|
| 937 | {
|
---|
| 938 | KdNode *node = GetNodeForPvs(ray.kdLeaves[j]);
|
---|
| 939 |
|
---|
| 940 | if (sObject)
|
---|
| 941 | contributingSamples += sObject->mKdPvs.AddSample(node);
|
---|
| 942 | if (tObject)
|
---|
| 943 | contributingSamples += tObject->mKdPvs.AddSample(node);
|
---|
| 944 | }
|
---|
[441] | 945 |
|
---|
[440] | 946 | return contributingSamples;
|
---|
| 947 | }
|
---|
| 948 |
|
---|
[441] | 949 |
|
---|
[440] | 950 | KdNode *KdViewCellsManager::GetNodeForPvs(KdLeaf *leaf)
|
---|
| 951 | {
|
---|
| 952 | KdNode *node = leaf;
|
---|
| 953 |
|
---|
| 954 | while (node->mParent && node->mDepth > mKdPvsDepth)
|
---|
| 955 | node = node->mParent;
|
---|
| 956 | return node;
|
---|
| 957 | }
|
---|
| 958 |
|
---|
| 959 |
|
---|
| 960 |
|
---|
| 961 | /**********************************************************************/
|
---|
| 962 | /* VspKdViewCellsManager implementation */
|
---|
| 963 | /**********************************************************************/
|
---|
| 964 |
|
---|
| 965 | VspKdViewCellsManager::VspKdViewCellsManager(VspKdTree *vspKdTree, int constructionSamples):
|
---|
| 966 | ViewCellsManager(constructionSamples),
|
---|
| 967 | mVspKdTree(vspKdTree)
|
---|
| 968 | {
|
---|
| 969 | mRenderSimulator = NULL; // TODO: new VspKdRenderSimulator(vspKdTree);
|
---|
| 970 | InitRenderSimulator();
|
---|
| 971 | }
|
---|
| 972 |
|
---|
| 973 | int VspKdViewCellsManager::Construct(const ObjectContainer &objects,
|
---|
| 974 | const VssRayContainer &rays,
|
---|
| 975 | AxisAlignedBox3 *sceneBbox)
|
---|
| 976 | {
|
---|
[441] | 977 | // if view cells already constructed
|
---|
[440] | 978 | if (ViewCellsConstructed())
|
---|
| 979 | return 0;
|
---|
| 980 |
|
---|
| 981 | mVspKdTree->Construct(rays, sceneBbox);
|
---|
| 982 | return 0;
|
---|
| 983 | }
|
---|
| 984 |
|
---|
| 985 | bool VspKdViewCellsManager::ViewCellsConstructed() const
|
---|
| 986 | {
|
---|
| 987 | return mVspKdTree->GetRoot() != NULL;
|
---|
| 988 | }
|
---|
| 989 |
|
---|
[441] | 990 | int VspKdViewCellsManager::ComputeSampleContributions(Ray &ray, const bool castRay)
|
---|
[440] | 991 | {
|
---|
[441] | 992 | // view cells not yet constructed
|
---|
| 993 | if (!ViewCellsConstructed())
|
---|
| 994 | return 0;
|
---|
| 995 |
|
---|
| 996 | //if (castRay) // TODO
|
---|
| 997 |
|
---|
[440] | 998 | int sampleContributions = 0;
|
---|
[441] | 999 |
|
---|
[440] | 1000 | /*
|
---|
| 1001 | for (int i = 0; i < (int)rays.size(); ++ i)
|
---|
| 1002 | {
|
---|
| 1003 | Ray *ray = rays[i];
|
---|
| 1004 |
|
---|
| 1005 | mBspTree->CastRay(*ray);
|
---|
| 1006 |
|
---|
| 1007 | Intersectable *term =
|
---|
| 1008 | !ray->intersections.empty() ? ray->intersections[0].mObject : NULL
|
---|
| 1009 | ;
|
---|
| 1010 | sampleContributions +=
|
---|
| 1011 | AddSampleContributions(*ray, ray->sourceObject.mObject, term);
|
---|
| 1012 |
|
---|
| 1013 | }
|
---|
| 1014 | */
|
---|
| 1015 | return sampleContributions;
|
---|
| 1016 | }
|
---|
| 1017 |
|
---|
| 1018 | int VspKdViewCellsManager::PostProcess(const ObjectContainer &objects,
|
---|
| 1019 | const RayContainer &rays)
|
---|
| 1020 | {
|
---|
[441] | 1021 | if (!ViewCellsConstructed())
|
---|
| 1022 | return 0;
|
---|
| 1023 |
|
---|
[440] | 1024 | return 0;
|
---|
| 1025 | }
|
---|
| 1026 |
|
---|
| 1027 | void VspKdViewCellsManager::Visualize(const ObjectContainer &objects,
|
---|
| 1028 | const RayContainer &sampleRays)
|
---|
| 1029 | {
|
---|
[441] | 1030 | if (!ViewCellsConstructed())
|
---|
| 1031 | return;
|
---|
| 1032 |
|
---|
[440] | 1033 | if (1)
|
---|
| 1034 | {
|
---|
| 1035 | Exporter *exporter = Exporter::GetExporter("vspkdtree.x3d");
|
---|
| 1036 | //exporter->SetWireframe();
|
---|
| 1037 | exporter->ExportVspKdTree(*mVspKdTree, mVspKdTree->GetStatistics().maxPvsSize);
|
---|
| 1038 |
|
---|
| 1039 | Debug << "average PVS size: " << mVspKdTree->GetAvgPvsSize() << endl;
|
---|
| 1040 |
|
---|
| 1041 | if (0)
|
---|
| 1042 | exporter->ExportGeometry(objects);
|
---|
| 1043 |
|
---|
| 1044 | bool exportRays = true;
|
---|
| 1045 |
|
---|
| 1046 | if (exportRays)
|
---|
| 1047 | {
|
---|
| 1048 | int raysSize = 2000;
|
---|
| 1049 | float prob = raysSize / (float)sampleRays.size();
|
---|
| 1050 |
|
---|
| 1051 | exporter->SetWireframe();
|
---|
| 1052 |
|
---|
| 1053 | RayContainer rays;
|
---|
| 1054 |
|
---|
| 1055 | for (int i = 0; i < sampleRays.size(); ++ i)
|
---|
| 1056 | {
|
---|
| 1057 | if (RandomValue(0,1) < prob)
|
---|
| 1058 | rays.push_back(sampleRays[i]);
|
---|
| 1059 | }
|
---|
| 1060 |
|
---|
| 1061 | exporter->ExportRays(rays, 1000, RgbColor(1, 0, 0));
|
---|
| 1062 | }
|
---|
| 1063 |
|
---|
| 1064 | delete exporter;
|
---|
| 1065 | }
|
---|
| 1066 |
|
---|
| 1067 | if (1)
|
---|
| 1068 | {
|
---|
| 1069 | vector<VspKdTreeLeaf *> leafContainer;
|
---|
| 1070 |
|
---|
| 1071 | mVspKdTree->CollectLeaves(leafContainer);
|
---|
| 1072 |
|
---|
| 1073 | for (int i = 0; i < 10; ++ i)
|
---|
| 1074 | {
|
---|
| 1075 | char s[64];
|
---|
| 1076 | sprintf(s, "vsp_leaves%04d.x3d", i);
|
---|
| 1077 | Exporter *exporter = Exporter::GetExporter(s);
|
---|
| 1078 |
|
---|
| 1079 | // export geometry
|
---|
| 1080 | VspKdTreeLeaf *leaf = leafContainer[Random((int)leafContainer.size())];
|
---|
| 1081 | AxisAlignedBox3 box = mVspKdTree->GetBBox(leaf);
|
---|
| 1082 |
|
---|
| 1083 | Material m;
|
---|
| 1084 | m.mDiffuseColor = RgbColor(0, 1, 1);
|
---|
| 1085 | exporter->SetForcedMaterial(m);
|
---|
| 1086 | exporter->SetWireframe();
|
---|
| 1087 | exporter->ExportBox(box);
|
---|
| 1088 |
|
---|
| 1089 | //-- export stored rays
|
---|
| 1090 | VssRayContainer vssRays;
|
---|
| 1091 | leaf->GetRays(vssRays);
|
---|
| 1092 |
|
---|
| 1093 | VssRayContainer rays;
|
---|
| 1094 | VssRayContainer::const_iterator it, it_end = vssRays.end();
|
---|
| 1095 |
|
---|
| 1096 | for (it = vssRays.begin(); it != it_end; ++ it)
|
---|
| 1097 | {
|
---|
| 1098 | //if (!(*it)->mOriginObject && !(*it)->mTerminationObject)
|
---|
| 1099 | rays.push_back(*it);
|
---|
| 1100 |
|
---|
| 1101 | //if (!(*it)->mOriginObject && !(*it)->mTerminationObject)
|
---|
| 1102 | // Debug << "ERR: " << (*it)->mOrigin << " " << (*it)->mTermination << endl;
|
---|
| 1103 | }
|
---|
| 1104 |
|
---|
| 1105 | exporter->ExportRays(rays, RgbColor(1, 0, 0));
|
---|
| 1106 |
|
---|
| 1107 | //-- export stored PVS
|
---|
| 1108 |
|
---|
| 1109 | ObjectContainer pvsObj;
|
---|
| 1110 | leaf->ExtractPvs(pvsObj);
|
---|
| 1111 |
|
---|
| 1112 | exporter->ExportGeometry(pvsObj);
|
---|
| 1113 |
|
---|
| 1114 | delete exporter;
|
---|
| 1115 | }
|
---|
| 1116 | }
|
---|
| 1117 | }
|
---|
| 1118 |
|
---|
| 1119 | int VspKdViewCellsManager::GetType() const
|
---|
| 1120 | {
|
---|
| 1121 | return VSP_KD;
|
---|
| 1122 | }
|
---|