[372] | 1 | #include "SceneGraph.h"
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| 2 | #include "Exporter.h"
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| 3 | #include "UnigraphicsParser.h"
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| 4 | #include "X3dParser.h"
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| 5 | #include "Preprocessor.h"
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| 6 | #include "ViewCell.h"
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| 7 | #include "Environment.h"
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[439] | 8 | #include "ViewCellsManager.h"
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[445] | 9 | #include "ViewCellBsp.h"
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| 10 | #include "VspBspTree.h"
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[469] | 11 | #include "RenderSimulator.h"
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[496] | 12 | #include "GlRenderer.h"
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[749] | 13 | #include "PlyParser.h"
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[1020] | 14 | #include "SamplingStrategy.h"
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[1233] | 15 | #include "VspTree.h"
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| 16 | #include "OspTree.h"
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[1221] | 17 | #include "ObjParser.h"
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[1264] | 18 | #include "BvHierarchy.h"
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| 19 |
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[1251] | 20 | #ifdef GTP_INTERNAL
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[1221] | 21 | #include "ArchModeler2MLRT.hxx"
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[1232] | 22 | #endif
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[372] | 23 |
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[863] | 24 | namespace GtpVisibilityPreprocessor {
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[860] | 25 |
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[1020] | 26 | const static bool ADDITIONAL_GEOMETRY_HACK = false;
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[860] | 27 |
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[1145] | 28 | //Preprocessor *preprocessor;
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[492] | 29 |
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[750] | 30 |
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[1001] | 31 | // HACK: Artificially modify scene to watch rendercost changes
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[750] | 32 | static void AddGeometry(SceneGraph *scene)
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| 33 | {
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[752] | 34 | scene->mRoot->UpdateBox();
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| 35 |
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[750] | 36 | AxisAlignedBox3 sceneBox = scene->GetBox();
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| 37 |
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| 38 | int n = 200;
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| 39 |
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| 40 | if (0){
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[840] | 41 | // form grid of boxes
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[750] | 42 | for (int i = 0; i < n; ++ i)
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| 43 | {
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| 44 | for (int j = 0; j < n; ++ j)
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| 45 | {
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[1135] | 46 | const Vector3 scale2((float)j * 0.8f / n + 0.1f, 0.05f, (float)i * 0.8f / (float)n + 0.1f);
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[750] | 47 |
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[840] | 48 | const Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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[750] | 49 |
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[840] | 50 | const Vector3 boxSize = sceneBox.Size() * Vector3(0.0025f, 0.01f, 0.0025f);
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[750] | 51 | AxisAlignedBox3 box(pt2, pt2 + boxSize);
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[991] | 52 | Mesh *mesh = CreateMeshFromBox(box);
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[750] | 53 |
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| 54 | mesh->Preprocess();
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| 55 |
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| 56 | MeshInstance *mi = new MeshInstance(mesh);
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| 57 | scene->mRoot->mGeometry.push_back(mi);
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| 58 | }
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| 59 | }
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| 60 |
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| 61 | for (int i = 0; i < n; ++ i)
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| 62 | {
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| 63 | for (int j = 0; j < n; ++ j)
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| 64 | {
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[1135] | 65 | const Vector3 scale2(0.15f, (float)j * 0.8f / n + 0.1f, (float)i * 0.8f / (float)n + 0.1f);
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[750] | 66 |
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| 67 | Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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| 68 |
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[1135] | 69 | Vector3 boxSize = sceneBox.Size() * Vector3(0.0025f, 0.01f, 0.0025f);
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[750] | 70 | AxisAlignedBox3 box(pt2, pt2 + boxSize);
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[991] | 71 | Mesh *mesh = CreateMeshFromBox(box);
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[750] | 72 |
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| 73 | mesh->Preprocess();
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| 74 |
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| 75 | MeshInstance *mi = new MeshInstance(mesh);
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| 76 | scene->mRoot->mGeometry.push_back(mi);
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| 77 | }
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| 78 | }
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| 79 |
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| 80 | for (int i = 0; i < n; ++ i)
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| 81 | {
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[1135] | 82 | const Vector3 scale2(2, 0.2f, (float)i * 0.8f / (float)n + 0.1f);
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[750] | 83 |
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| 84 | Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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| 85 |
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| 86 | //Vector3 boxSize = sceneBox.Size() * Vector3(0.0025, 0.01, 0.0025);
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[1135] | 87 | Vector3 boxSize = sceneBox.Size() * Vector3(0.005f, 0.02f, 0.005f);
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[1020] | 88 |
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[1135] | 89 | AxisAlignedBox3 box(pt2 + 0.1f, pt2 + boxSize);
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[991] | 90 | Mesh *mesh = CreateMeshFromBox(box);
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[750] | 91 |
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| 92 | mesh->Preprocess();
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| 93 |
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| 94 | MeshInstance *mi = new MeshInstance(mesh);
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| 95 | scene->mRoot->mGeometry.push_back(mi);
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| 96 | }
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| 97 |
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| 98 | scene->mRoot->UpdateBox();
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| 99 | }
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[1221] | 100 |
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[840] | 101 | if (1)
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| 102 | {
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[1221] | 103 | // plane separating view space regions
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[1135] | 104 | const Vector3 scale(1.0f, 0.0, 0);
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[750] | 105 |
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[840] | 106 | Vector3 pt = sceneBox.Min() + scale * (sceneBox.Max() - sceneBox.Min());
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[750] | 107 |
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[840] | 108 | Plane3 cuttingPlane(Vector3(1, 0, 0), pt);
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| 109 | Mesh *planeMesh = new Mesh();
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| 110 |
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| 111 | Polygon3 *poly = sceneBox.CrossSection(cuttingPlane);
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| 112 | IncludePolyInMesh(*poly, *planeMesh);
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| 113 |
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| 114 | planeMesh->Preprocess();
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| 115 |
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| 116 | MeshInstance *planeMi = new MeshInstance(planeMesh);
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| 117 | scene->mRoot->mGeometry.push_back(planeMi);
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| 118 | }
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[750] | 119 | }
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| 120 |
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| 121 |
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[372] | 122 | Preprocessor::Preprocessor():
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| 123 | mKdTree(NULL),
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[409] | 124 | mBspTree(NULL),
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[445] | 125 | mVspBspTree(NULL),
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[1264] | 126 | mVspTree(NULL),
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| 127 | mOspTree(NULL),
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| 128 | mBvHierarchy(NULL),
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[1002] | 129 | mViewCellsManager(NULL),
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[1251] | 130 | mRenderSimulator(NULL),
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| 131 | mPass(0)
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[308] | 132 | {
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[1004] | 133 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlRenderer", mUseGlRenderer);
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[538] | 134 |
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[840] | 135 | // renderer will be constructed when the scene graph and viewcell manager will be known
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| 136 | renderer = NULL;
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[496] | 137 |
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[1004] | 138 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlDebugger", mUseGlDebugger);
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| 139 | Environment::GetSingleton()->GetBoolValue("Preprocessor.loadPolygonsAsMeshes", mLoadPolygonsAsMeshes);
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| 140 | Environment::GetSingleton()->GetBoolValue("Preprocessor.quitOnFinish", mQuitOnFinish);
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| 141 | Environment::GetSingleton()->GetBoolValue("Preprocessor.computeVisibility", mComputeVisibility);
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| 142 | Environment::GetSingleton()->GetBoolValue("Preprocessor.detectEmptyViewSpace", mDetectEmptyViewSpace);
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| 143 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportVisibility", mExportVisibility );
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[1221] | 144 | Environment::GetSingleton()->GetIntValue("Preprocessor.rayCastMethod", mRayCastMethod);
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[599] | 145 |
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[871] | 146 | char buffer[256];
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[1004] | 147 | Environment::GetSingleton()->GetStringValue("Preprocessor.visibilityFile", buffer);
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[871] | 148 | mVisibilityFileName = buffer;
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[1004] | 149 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilityFilter", mApplyVisibilityFilter );
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| 150 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilitySpatialFilter",
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[904] | 151 | mApplyVisibilitySpatialFilter );
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[1004] | 152 | Environment::GetSingleton()->GetFloatValue("Preprocessor.visibilityFilterWidth", mVisibilityFilterWidth);
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[878] | 153 |
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[840] | 154 | Debug << "detect empty view space=" << mDetectEmptyViewSpace << endl;
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| 155 | Debug << "load polygons as meshes: " << mLoadPolygonsAsMeshes << endl;
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[372] | 156 | }
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| 157 |
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| 158 |
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| 159 | Preprocessor::~Preprocessor()
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| 160 | {
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[752] | 161 | cout << "cleaning up" << endl;
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| 162 |
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| 163 | cout << "Deleting view cells manager ... \n";
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[496] | 164 | DEL_PTR(mViewCellsManager);
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[752] | 165 | cout << "done.\n";
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| 166 |
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| 167 | cout << "Deleting bsp tree ... \n";
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[496] | 168 | DEL_PTR(mBspTree);
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[752] | 169 | cout << "done.\n";
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| 170 |
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[840] | 171 | cout << "Deleting kd tree...\n";
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[496] | 172 | DEL_PTR(mKdTree);
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[840] | 173 | cout << "done.\n";
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[1006] | 174 |
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[1145] | 175 | cout << "Deleting vsp tree...\n";
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| 176 | DEL_PTR(mVspTree);
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[840] | 177 | cout << "done.\n";
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[752] | 178 |
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[1145] | 179 | cout << "Deleting osp tree...\n";
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| 180 | DEL_PTR(mOspTree);
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| 181 | cout << "done.\n";
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| 182 |
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[840] | 183 | cout << "Deleting vspbsp tree...\n";
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[496] | 184 | DEL_PTR(mVspBspTree);
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[840] | 185 | cout << "done.\n";
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[1002] | 186 |
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| 187 | cout << "Deleting scene graph...\n";
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| 188 | DEL_PTR(mSceneGraph);
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| 189 | cout << "done.\n";
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| 190 |
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| 191 | DEL_PTR(mRenderSimulator);
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| 192 | DEL_PTR(renderer);
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[372] | 193 | }
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| 194 |
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[387] | 195 | int
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[419] | 196 | SplitFilenames(const string str, vector<string> &filenames)
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[387] | 197 | {
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| 198 | int pos = 0;
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| 199 |
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| 200 | while(1) {
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[469] | 201 | int npos = (int)str.find(';', pos);
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[387] | 202 |
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| 203 | if (npos < 0 || npos - pos < 1)
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| 204 | break;
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| 205 | filenames.push_back(string(str, pos, npos - pos));
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| 206 | pos = npos + 1;
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| 207 | }
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| 208 |
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| 209 | filenames.push_back(string(str, pos, str.size() - pos));
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[440] | 210 | return (int)filenames.size();
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[387] | 211 | }
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| 212 |
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[750] | 213 |
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[372] | 214 | bool
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| 215 | Preprocessor::LoadScene(const string filename)
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| 216 | {
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[925] | 217 | // use leaf nodes of the original spatial hierarchy as occludees
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[508] | 218 | mSceneGraph = new SceneGraph;
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[372] | 219 |
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[508] | 220 | Parser *parser;
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[387] | 221 | vector<string> filenames;
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| 222 | int files = SplitFilenames(filename, filenames);
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[712] | 223 | cout << "number of input files: " << files << endl;
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[387] | 224 | bool result = false;
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| 225 | if (files == 1) {
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| 226 |
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| 227 | if (strstr(filename.c_str(), ".x3d"))
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[749] | 228 | parser = new X3dParser;
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[387] | 229 | else
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[811] | 230 | if (strstr(filename.c_str(), ".ply") || strstr(filename.c_str(), ".plb"))
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[749] | 231 | parser = new PlyParser;
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[1221] | 232 | else if (strstr(filename.c_str(), ".obj"))
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| 233 | parser = new ObjParser;
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| 234 | else
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| 235 | parser = new UnigraphicsParser;
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[372] | 236 |
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[387] | 237 | cout<<filename<<endl;
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[372] | 238 |
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[1221] | 239 | if (mRayCastMethod == Preprocessor::INTEL_RAYCASTER)
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[1272] | 240 | result = parser->ParseFile(filename, &mSceneGraph->mRoot,
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| 241 | mLoadPolygonsAsMeshes,
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| 242 | &mFaceParents);
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[1221] | 243 | else
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[1272] | 244 | result = parser->ParseFile(filename, &mSceneGraph->mRoot, mLoadPolygonsAsMeshes);
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| 245 |
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[387] | 246 | delete parser;
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[372] | 247 |
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[387] | 248 | } else {
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| 249 | // root for different files
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| 250 | mSceneGraph->mRoot = new SceneGraphNode;
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| 251 | for (int i= 0; i < filenames.size(); i++) {
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[1272] | 252 | if (strstr(filenames[i].c_str(), ".x3d"))
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| 253 | parser = new X3dParser;
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| 254 | else
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| 255 | parser = new UnigraphicsParser;
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| 256 |
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| 257 | SceneGraphNode *node;
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| 258 | bool success;
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| 259 |
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| 260 | if (mRayCastMethod == Preprocessor::INTEL_RAYCASTER)
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| 261 | success = parser->ParseFile(filename, &node,
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| 262 | mLoadPolygonsAsMeshes,
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| 263 | &mFaceParents);
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| 264 | else
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| 265 | success = parser->ParseFile(filename, &node, mLoadPolygonsAsMeshes);
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| 266 |
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| 267 | if (success) {
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| 268 | mSceneGraph->mRoot->mChildren.push_back(node);
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| 269 | // at least one file parsed
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| 270 | result = true;
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| 271 | }
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| 272 |
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| 273 | delete parser;
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[387] | 274 | }
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| 275 | }
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[372] | 276 |
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[1272] | 277 |
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[752] | 278 | if (result)
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[1272] | 279 | {
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[752] | 280 | // HACK
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[1020] | 281 | if (ADDITIONAL_GEOMETRY_HACK)
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| 282 | AddGeometry(mSceneGraph);
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[752] | 283 |
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[1020] | 284 | mSceneGraph->AssignObjectIds();
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| 285 |
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| 286 | int intersectables, faces;
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| 287 | mSceneGraph->GetStatistics(intersectables, faces);
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| 288 |
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| 289 | cout<<filename<<" parsed successfully."<<endl;
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| 290 | cout<<"#NUM_OBJECTS (Total numner of objects)\n"<<intersectables<<endl;
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| 291 | cout<<"#NUM_FACES (Total numner of faces)\n"<<faces<<endl;
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| 292 | mSceneGraph->CollectObjects(&mObjects);
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| 293 | mSceneGraph->mRoot->UpdateBox();
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[752] | 294 |
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[1020] | 295 | if (0)
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| 296 | {
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| 297 | Exporter *exporter = Exporter::GetExporter("testload.x3d");
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[658] | 298 |
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[1020] | 299 | if (exporter)
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| 300 | {
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| 301 | exporter->ExportGeometry(mObjects);
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| 302 | delete exporter;
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| 303 | }
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| 304 | }
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[387] | 305 | }
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[372] | 306 |
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[492] | 307 |
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| 308 | return result;
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[372] | 309 | }
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| 310 |
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| 311 | bool
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| 312 | Preprocessor::ExportPreprocessedData(const string filename)
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| 313 | {
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[871] | 314 |
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[931] | 315 | mViewCellsManager->ExportViewCells(filename, true, mObjects);
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[871] | 316 |
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| 317 | return true;
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[372] | 318 | }
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| 319 |
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| 320 | bool
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[871] | 321 | Preprocessor::PostProcessVisibility()
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| 322 | {
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| 323 |
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[904] | 324 | if (mApplyVisibilityFilter || mApplyVisibilitySpatialFilter) {
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[997] | 325 | cout<<"Applying visibility filter ...";
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[1002] | 326 | cout<<"filter width = " << mVisibilityFilterWidth << endl;
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[904] | 327 |
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[1002] | 328 | if (!mViewCellsManager)
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[1199] | 329 | return false;
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| 330 |
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[871] | 331 | mViewCellsManager->ApplyFilter(mKdTree,
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[904] | 332 | mApplyVisibilityFilter ? mVisibilityFilterWidth : -1.0f,
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| 333 | mApplyVisibilitySpatialFilter ? mVisibilityFilterWidth : -1.0f);
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[997] | 334 | cout << "done." << endl;
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[871] | 335 | }
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| 336 |
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| 337 | // export the preprocessed information to a file
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| 338 | if (mExportVisibility)
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| 339 | ExportPreprocessedData(mVisibilityFileName);
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| 340 |
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| 341 | return true;
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| 342 | }
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| 343 |
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| 344 |
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| 345 | bool
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[372] | 346 | Preprocessor::BuildKdTree()
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| 347 | {
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| 348 | mKdTree = new KdTree;
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| 349 | // add mesh instances of the scene graph to the root of the tree
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| 350 | KdLeaf *root = (KdLeaf *)mKdTree->GetRoot();
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| 351 | mSceneGraph->CollectObjects(&root->mObjects);
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| 352 |
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[1201] | 353 | long startTime = GetTime();
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| 354 |
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| 355 | cout << "building kd tree ... " << endl;
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[372] | 356 | mKdTree->Construct();
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[1201] | 357 | cout << "construction finished in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs " << endl;
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[372] | 358 | return true;
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| 359 | }
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| 360 |
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| 361 | void
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| 362 | Preprocessor::KdTreeStatistics(ostream &s)
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| 363 | {
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| 364 | s<<mKdTree->GetStatistics();
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| 365 | }
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| 366 |
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| 367 | void
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| 368 | Preprocessor::BspTreeStatistics(ostream &s)
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| 369 | {
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| 370 | s << mBspTree->GetStatistics();
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| 371 | }
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| 372 |
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| 373 | bool
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| 374 | Preprocessor::Export( const string filename,
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[492] | 375 | const bool scene,
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| 376 | const bool kdtree,
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| 377 | const bool bsptree
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| 378 | )
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[372] | 379 | {
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| 380 | Exporter *exporter = Exporter::GetExporter(filename);
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| 381 |
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| 382 | if (exporter) {
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| 383 | if (scene)
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| 384 | exporter->ExportScene(mSceneGraph->mRoot);
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| 385 |
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| 386 | if (kdtree) {
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| 387 | exporter->SetWireframe();
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| 388 | exporter->ExportKdTree(*mKdTree);
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| 389 | }
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| 390 |
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| 391 | if (bsptree) {
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| 392 | //exporter->SetWireframe();
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| 393 | exporter->ExportBspTree(*mBspTree);
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| 394 | }
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| 395 |
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| 396 | delete exporter;
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| 397 | return true;
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| 398 | }
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| 399 |
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| 400 | return false;
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| 401 | }
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[429] | 402 |
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[508] | 403 |
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[463] | 404 | bool Preprocessor::PrepareViewCells()
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| 405 | {
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[577] | 406 | //-- parse view cells construction method
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[1004] | 407 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", mLoadViewCells);
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[577] | 408 | char buf[100];
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| 409 |
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| 410 | if (mLoadViewCells)
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[997] | 411 | {
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[1004] | 412 | Environment::GetSingleton()->GetStringValue("ViewCells.filename", buf);
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[1264] | 413 | cout << "loading view cells from " << buf << endl;
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[1004] | 414 | mViewCellsManager = ViewCellsManager::LoadViewCells(buf, &mObjects, true);
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[577] | 415 | }
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| 416 | else
|
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| 417 | {
|
---|
| 418 | //-- parse type of view cell container
|
---|
[1264] | 419 |
|
---|
[1004] | 420 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
[1002] | 421 | mViewCellsManager = CreateViewCellsManager(buf);
|
---|
[1112] | 422 |
|
---|
| 423 | // default view space is the extent of the scene
|
---|
| 424 | mViewCellsManager->SetViewSpaceBox(mSceneGraph->GetBox());
|
---|
| 425 |
|
---|
| 426 |
|
---|
[577] | 427 | }
|
---|
[1112] | 428 |
|
---|
[997] | 429 | //-- parameters for render heuristics evaluation
|
---|
[473] | 430 | float objRenderCost = 0, vcOverhead = 0, moveSpeed = 0;
|
---|
| 431 |
|
---|
[1004] | 432 | Environment::GetSingleton()->GetFloatValue("Simulation.objRenderCost",objRenderCost);
|
---|
| 433 | Environment::GetSingleton()->GetFloatValue("Simulation.vcOverhead", vcOverhead);
|
---|
| 434 | Environment::GetSingleton()->GetFloatValue("Simulation.moveSpeed", moveSpeed);
|
---|
[694] | 435 |
|
---|
[473] | 436 | mRenderSimulator =
|
---|
| 437 | new RenderSimulator(mViewCellsManager, objRenderCost, vcOverhead, moveSpeed);
|
---|
[440] | 438 |
|
---|
[480] | 439 | mViewCellsManager->SetRenderer(mRenderSimulator);
|
---|
[440] | 440 |
|
---|
[574] | 441 |
|
---|
[538] | 442 | if (mUseGlRenderer || mUseGlDebugger)
|
---|
[540] | 443 | {
|
---|
| 444 | // NOTE: render texture should be power of 2 and square
|
---|
| 445 | // renderer must be initialised
|
---|
[1145] | 446 | // $$matt
|
---|
| 447 | // renderer = new GlRendererBuffer(1024, 768, mSceneGraph, mViewCellsManager, mKdTree);
|
---|
[556] | 448 | // renderer->makeCurrent();
|
---|
[746] | 449 |
|
---|
[540] | 450 | }
|
---|
[496] | 451 |
|
---|
[463] | 452 | return true;
|
---|
[490] | 453 | }
|
---|
| 454 |
|
---|
| 455 |
|
---|
[575] | 456 | ViewCellsManager *Preprocessor::CreateViewCellsManager(const char *name)
|
---|
| 457 | {
|
---|
[1264] | 458 | ViewCellsTree *vcTree = new ViewCellsTree;
|
---|
| 459 |
|
---|
[575] | 460 | if (strcmp(name, "kdTree") == 0)
|
---|
| 461 | {
|
---|
[1264] | 462 | mViewCellsManager = new KdViewCellsManager(vcTree, mKdTree);
|
---|
[575] | 463 | }
|
---|
| 464 | else if (strcmp(name, "bspTree") == 0)
|
---|
| 465 | {
|
---|
| 466 | Debug << "view cell type: Bsp" << endl;
|
---|
| 467 |
|
---|
[577] | 468 | mBspTree = new BspTree();
|
---|
[1264] | 469 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
[575] | 470 | }
|
---|
| 471 | else if (strcmp(name, "vspBspTree") == 0)
|
---|
| 472 | {
|
---|
| 473 | Debug << "view cell type: VspBsp" << endl;
|
---|
| 474 |
|
---|
[1004] | 475 | mVspBspTree = new VspBspTree();
|
---|
[1264] | 476 | mViewCellsManager = new VspBspViewCellsManager(vcTree, mVspBspTree);
|
---|
[575] | 477 | }
|
---|
[1006] | 478 | else if (strcmp(name, "vspOspTree") == 0)
|
---|
[575] | 479 | {
|
---|
[1022] | 480 | mVspTree = new VspTree();
|
---|
[1264] | 481 | //mOspTree = new OspTree();
|
---|
[1174] | 482 |
|
---|
| 483 | // HACK for testing if per kd evaluation works!!
|
---|
| 484 | mOspTree = new OspTree(*mKdTree);
|
---|
[1022] | 485 |
|
---|
[1264] | 486 | mViewCellsManager = new VspOspViewCellsManager(vcTree, mVspTree, mOspTree);
|
---|
[575] | 487 | }
|
---|
| 488 | else if (strcmp(name, "sceneDependent") == 0)
|
---|
| 489 | {
|
---|
[1143] | 490 | Debug << "view cell type: Bsp" << endl;
|
---|
| 491 |
|
---|
[575] | 492 | //TODO
|
---|
| 493 | mBspTree = new BspTree();
|
---|
[1264] | 494 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
[575] | 495 | }
|
---|
| 496 | else
|
---|
| 497 | {
|
---|
[664] | 498 | cerr << "Wrong view cells type " << name << "!!!" << endl;
|
---|
[575] | 499 | exit(1);
|
---|
| 500 | }
|
---|
| 501 |
|
---|
[1264] | 502 | //vcTree->SetViewCellsManager(mViewCellsManager);
|
---|
[575] | 503 | return mViewCellsManager;
|
---|
| 504 | }
|
---|
| 505 |
|
---|
| 506 |
|
---|
[491] | 507 | // use ascii format to store rays
|
---|
| 508 | #define USE_ASCII 0
|
---|
| 509 |
|
---|
| 510 |
|
---|
[1145] | 511 | static inline bool ilt(Intersectable *obj1, Intersectable *obj2)
|
---|
[490] | 512 | {
|
---|
| 513 | return obj1->mId < obj2->mId;
|
---|
| 514 | }
|
---|
| 515 |
|
---|
| 516 |
|
---|
[1197] | 517 | bool Preprocessor::LoadKdTree()
|
---|
| 518 | {
|
---|
| 519 | return true;
|
---|
| 520 | }
|
---|
| 521 |
|
---|
| 522 | bool Preprocessor::ExportKdTree()
|
---|
| 523 | {
|
---|
| 524 | return true;
|
---|
| 525 | }
|
---|
| 526 |
|
---|
| 527 |
|
---|
[490] | 528 | bool Preprocessor::LoadSamples(VssRayContainer &samples,
|
---|
| 529 | ObjectContainer &objects) const
|
---|
| 530 | {
|
---|
| 531 | std::stable_sort(objects.begin(), objects.end(), ilt);
|
---|
| 532 | char fileName[100];
|
---|
[1004] | 533 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
[490] | 534 |
|
---|
[491] | 535 | Vector3 origin, termination;
|
---|
| 536 | // HACK: needed only for lower_bound algorithm to find the
|
---|
| 537 | // intersected objects
|
---|
| 538 | MeshInstance sObj(NULL);
|
---|
| 539 | MeshInstance tObj(NULL);
|
---|
[490] | 540 |
|
---|
[491] | 541 | #if USE_ASCII
|
---|
[656] | 542 | ifstream samplesIn(fileName);
|
---|
[490] | 543 | if (!samplesIn.is_open())
|
---|
| 544 | return false;
|
---|
| 545 |
|
---|
| 546 | string buf;
|
---|
| 547 | while (!(getline(samplesIn, buf)).eof())
|
---|
| 548 | {
|
---|
[491] | 549 | sscanf(buf.c_str(), "%f %f %f %f %f %f %d %d",
|
---|
[490] | 550 | &origin.x, &origin.y, &origin.z,
|
---|
[491] | 551 | &termination.x, &termination.y, &termination.z,
|
---|
| 552 | &(sObj.mId), &(tObj.mId));
|
---|
[490] | 553 |
|
---|
[491] | 554 | Intersectable *sourceObj = NULL;
|
---|
| 555 | Intersectable *termObj = NULL;
|
---|
| 556 |
|
---|
| 557 | if (sObj.mId >= 0)
|
---|
[490] | 558 | {
|
---|
| 559 | ObjectContainer::iterator oit =
|
---|
[491] | 560 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 561 | sourceObj = *oit;
|
---|
| 562 | }
|
---|
| 563 |
|
---|
| 564 | if (tObj.mId >= 0)
|
---|
| 565 | {
|
---|
| 566 | ObjectContainer::iterator oit =
|
---|
| 567 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 568 | termObj = *oit;
|
---|
| 569 | }
|
---|
[490] | 570 |
|
---|
[491] | 571 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
| 572 | }
|
---|
| 573 | #else
|
---|
| 574 | ifstream samplesIn(fileName, ios::binary);
|
---|
| 575 | if (!samplesIn.is_open())
|
---|
| 576 | return false;
|
---|
| 577 |
|
---|
| 578 | while (1)
|
---|
| 579 | {
|
---|
| 580 | samplesIn.read(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 581 | samplesIn.read(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 582 | samplesIn.read(reinterpret_cast<char *>(&(sObj.mId)), sizeof(int));
|
---|
| 583 | samplesIn.read(reinterpret_cast<char *>(&(tObj.mId)), sizeof(int));
|
---|
| 584 |
|
---|
| 585 | if (samplesIn.eof())
|
---|
| 586 | break;
|
---|
| 587 |
|
---|
| 588 | Intersectable *sourceObj = NULL;
|
---|
| 589 | Intersectable *termObj = NULL;
|
---|
| 590 |
|
---|
| 591 | if (sObj.mId >= 0)
|
---|
| 592 | {
|
---|
| 593 | ObjectContainer::iterator oit =
|
---|
| 594 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 595 | sourceObj = *oit;
|
---|
[490] | 596 | }
|
---|
[491] | 597 |
|
---|
| 598 | if (tObj.mId >= 0)
|
---|
[490] | 599 | {
|
---|
[491] | 600 | ObjectContainer::iterator oit =
|
---|
| 601 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 602 | termObj = *oit;
|
---|
[490] | 603 | }
|
---|
[491] | 604 |
|
---|
| 605 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
[490] | 606 | }
|
---|
[491] | 607 |
|
---|
| 608 | #endif
|
---|
[490] | 609 | samplesIn.close();
|
---|
| 610 |
|
---|
| 611 | return true;
|
---|
| 612 | }
|
---|
| 613 |
|
---|
[508] | 614 |
|
---|
| 615 | bool Preprocessor::ExportSamples(const VssRayContainer &samples) const
|
---|
[490] | 616 | {
|
---|
[491] | 617 | char fileName[100];
|
---|
[1004] | 618 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
[491] | 619 |
|
---|
[490] | 620 |
|
---|
| 621 | VssRayContainer::const_iterator it, it_end = samples.end();
|
---|
| 622 |
|
---|
[491] | 623 | #if USE_ASCII
|
---|
| 624 | ofstream samplesOut(fileName);
|
---|
[490] | 625 | if (!samplesOut.is_open())
|
---|
| 626 | return false;
|
---|
| 627 |
|
---|
| 628 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 629 | {
|
---|
| 630 | VssRay *ray = *it;
|
---|
[491] | 631 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 632 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 633 |
|
---|
[490] | 634 | samplesOut << ray->GetOrigin().x << " " << ray->GetOrigin().y << " " << ray->GetOrigin().z << " "
|
---|
| 635 | << ray->GetTermination().x << " " << ray->GetTermination().y << " " << ray->GetTermination().z << " "
|
---|
[491] | 636 | << sourceid << " " << termid << "\n";
|
---|
[490] | 637 | }
|
---|
[491] | 638 | #else
|
---|
| 639 | ofstream samplesOut(fileName, ios::binary);
|
---|
| 640 | if (!samplesOut.is_open())
|
---|
| 641 | return false;
|
---|
| 642 |
|
---|
| 643 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 644 | {
|
---|
| 645 | VssRay *ray = *it;
|
---|
| 646 | Vector3 origin(ray->GetOrigin());
|
---|
| 647 | Vector3 termination(ray->GetTermination());
|
---|
| 648 |
|
---|
| 649 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 650 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 651 |
|
---|
| 652 | samplesOut.write(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 653 | samplesOut.write(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 654 | samplesOut.write(reinterpret_cast<char *>(&sourceid), sizeof(int));
|
---|
| 655 | samplesOut.write(reinterpret_cast<char *>(&termid), sizeof(int));
|
---|
| 656 | }
|
---|
| 657 | #endif
|
---|
[490] | 658 | samplesOut.close();
|
---|
[1194] | 659 |
|
---|
[490] | 660 | return true;
|
---|
| 661 | }
|
---|
[563] | 662 |
|
---|
[1020] | 663 | #if 0 // matt: implemented interface samplestrategy
|
---|
[563] | 664 | bool
|
---|
| 665 | Preprocessor::GenerateRays(
|
---|
| 666 | const int number,
|
---|
| 667 | const int sampleType,
|
---|
| 668 | SimpleRayContainer &rays
|
---|
| 669 | )
|
---|
| 670 | {
|
---|
| 671 | Vector3 origin, direction;
|
---|
[837] | 672 | int startSize = (int)rays.size();
|
---|
| 673 | for (int i=0; (int)rays.size() - startSize < number; i ++) {
|
---|
[563] | 674 | // now get the direction
|
---|
| 675 | switch (sampleType) {
|
---|
| 676 | case OBJECT_BASED_DISTRIBUTION: {
|
---|
[576] | 677 | mViewCellsManager->GetViewPoint(origin);
|
---|
[563] | 678 | Vector3 point;
|
---|
| 679 | Vector3 normal;
|
---|
| 680 | int i = RandomValue(0, mObjects.size() - 1);
|
---|
| 681 | Intersectable *object = mObjects[i];
|
---|
| 682 | object->GetRandomSurfacePoint(point, normal);
|
---|
| 683 | direction = point - origin;
|
---|
| 684 | }
|
---|
| 685 | break;
|
---|
[576] | 686 | case OBJECT_DIRECTION_BASED_DISTRIBUTION: {
|
---|
| 687 | int i = RandomValue(0, mObjects.size() - 1);
|
---|
| 688 | Intersectable *object = mObjects[i];
|
---|
| 689 | Vector3 normal;
|
---|
| 690 | object->GetRandomSurfacePoint(origin, normal);
|
---|
| 691 | direction = UniformRandomVector(normal);
|
---|
| 692 | origin += 0.1f*direction;
|
---|
| 693 | }
|
---|
| 694 | break;
|
---|
[563] | 695 | case DIRECTION_BASED_DISTRIBUTION:
|
---|
[576] | 696 | mViewCellsManager->GetViewPoint(origin);
|
---|
[563] | 697 | direction = UniformRandomVector();
|
---|
| 698 | break;
|
---|
| 699 | case DIRECTION_BOX_BASED_DISTRIBUTION: {
|
---|
[576] | 700 | mViewCellsManager->GetViewPoint(origin);
|
---|
[563] | 701 | float alpha = RandomValue(0.0f, 2*M_PI);
|
---|
| 702 | float beta = RandomValue(-M_PI/2, M_PI/2);
|
---|
| 703 | direction = VssRay::GetDirection(alpha, beta);
|
---|
| 704 | break;
|
---|
| 705 | }
|
---|
| 706 | case SPATIAL_BOX_BASED_DISTRIBUTION:
|
---|
[576] | 707 | mViewCellsManager->GetViewPoint(origin);
|
---|
[563] | 708 | direction = mKdTree->GetBox().GetRandomPoint() - origin;
|
---|
| 709 | break;
|
---|
| 710 | default:
|
---|
| 711 | // unsuported distribution type
|
---|
| 712 | return false;
|
---|
| 713 | }
|
---|
| 714 | // $$ jb the pdf is yet not correct for all sampling methods!
|
---|
| 715 | float pdf = 1.0f;
|
---|
| 716 | float c = Magnitude(direction);
|
---|
| 717 | if (c > Limits::Small) {
|
---|
| 718 | direction*=1.0f/c;
|
---|
| 719 | rays.AddRay(SimpleRay(origin, direction, pdf));
|
---|
| 720 | }
|
---|
| 721 | }
|
---|
| 722 | return true;
|
---|
| 723 | }
|
---|
[1020] | 724 | #endif
|
---|
| 725 | bool Preprocessor::GenerateRays(const int number,
|
---|
| 726 | const int sampleType,
|
---|
| 727 | SimpleRayContainer &rays)
|
---|
| 728 | {
|
---|
| 729 | Vector3 origin, direction;
|
---|
| 730 |
|
---|
| 731 | const int startSize = (int)rays.size();
|
---|
| 732 | SamplingStrategy *strategy = GenerateSamplingStrategy(sampleType);
|
---|
[860] | 733 |
|
---|
[1020] | 734 | if (!strategy)
|
---|
| 735 | return false;
|
---|
| 736 |
|
---|
| 737 | for (int i=0; (int)rays.size() - startSize < number; ++ i)
|
---|
| 738 | {
|
---|
| 739 | SimpleRay newRay;
|
---|
| 740 | bool success = strategy->GenerateSample(newRay);
|
---|
| 741 |
|
---|
| 742 | if (success)
|
---|
| 743 | rays.AddRay(newRay);
|
---|
| 744 | }
|
---|
| 745 |
|
---|
| 746 | delete strategy;
|
---|
| 747 |
|
---|
| 748 | return true;
|
---|
[878] | 749 | }
|
---|
[1020] | 750 |
|
---|
| 751 |
|
---|
| 752 | SamplingStrategy *Preprocessor::GenerateSamplingStrategy(const int strategyId) const
|
---|
| 753 | {
|
---|
| 754 | switch (strategyId)
|
---|
| 755 | {
|
---|
| 756 | case OBJECT_BASED_DISTRIBUTION:
|
---|
| 757 | return new ObjectBasedDistribution(*this);
|
---|
| 758 | case OBJECT_DIRECTION_BASED_DISTRIBUTION:
|
---|
| 759 | return new ObjectDirectionBasedDistribution(*this);
|
---|
| 760 | case DIRECTION_BASED_DISTRIBUTION:
|
---|
| 761 | return new DirectionBasedDistribution(*this);
|
---|
| 762 | case DIRECTION_BOX_BASED_DISTRIBUTION:
|
---|
| 763 | return new DirectionBoxBasedDistribution(*this);
|
---|
| 764 | case SPATIAL_BOX_BASED_DISTRIBUTION:
|
---|
| 765 | return new SpatialBoxBasedDistribution(*this);
|
---|
[1021] | 766 | //case OBJECTS_INTERIOR_DISTRIBUTION:
|
---|
| 767 | // return new ObjectsInteriorDistribution(*this);
|
---|
[1020] | 768 | default: // no valid strategy
|
---|
| 769 | return NULL;
|
---|
| 770 | }
|
---|
[1221] | 771 |
|
---|
[1020] | 772 | // should never come here
|
---|
| 773 | return NULL;
|
---|
| 774 | }
|
---|
| 775 |
|
---|
| 776 |
|
---|
[1221] | 777 | bool Preprocessor::InitRayCast(const string externKdTree)
|
---|
| 778 | {
|
---|
| 779 | switch (mRayCastMethod) // use intel ray tracing
|
---|
| 780 | {
|
---|
| 781 | case INTEL_RAYCASTER:
|
---|
[1251] | 782 | #ifdef GTP_INTERNAL
|
---|
[1272] | 783 | cout<<"Ray Cast file: "<<externKdTree<<endl;
|
---|
| 784 | return mlrtaLoadAS(externKdTree.c_str());
|
---|
[1232] | 785 | #endif
|
---|
[1221] | 786 | case INTERNAL_RAYCASTER:
|
---|
| 787 | default:
|
---|
| 788 | break;
|
---|
| 789 | }
|
---|
| 790 |
|
---|
| 791 | return true;
|
---|
[1020] | 792 | }
|
---|
[1221] | 793 |
|
---|
[1251] | 794 |
|
---|
| 795 | int Preprocessor::CastIntelDoubleRay(
|
---|
| 796 | const Vector3 &viewPoint,
|
---|
| 797 | const Vector3 &direction,
|
---|
| 798 | const float probability,
|
---|
| 799 | VssRayContainer &vssRays,
|
---|
| 800 | const AxisAlignedBox3 &box
|
---|
| 801 | )
|
---|
| 802 | {
|
---|
| 803 | VssRay *vssRay = NULL;
|
---|
| 804 | int hits = 0;
|
---|
| 805 |
|
---|
| 806 | Vector3 pointA, pointB;
|
---|
| 807 |
|
---|
| 808 | Intersectable *objectA =
|
---|
| 809 | CastIntelSingleRay(viewPoint, direction, pointA, box);
|
---|
| 810 |
|
---|
| 811 | // cast ray into other direction
|
---|
| 812 | Intersectable *objectB =
|
---|
| 813 | CastIntelSingleRay(viewPoint, -direction, pointB, box);
|
---|
| 814 |
|
---|
| 815 | const bool validSample = (objectA != objectB);
|
---|
| 816 |
|
---|
| 817 | if (validSample)
|
---|
| 818 | {
|
---|
| 819 | if (objectA)
|
---|
| 820 | {
|
---|
| 821 | vssRay = new VssRay(pointB,
|
---|
| 822 | pointA,
|
---|
| 823 | objectB,
|
---|
| 824 | objectA,
|
---|
| 825 | probability,
|
---|
| 826 | mPass);
|
---|
| 827 |
|
---|
| 828 | vssRays.push_back(vssRay);
|
---|
| 829 | hits ++;
|
---|
| 830 | }
|
---|
| 831 |
|
---|
| 832 | if (objectB)
|
---|
| 833 | {
|
---|
| 834 | vssRay = new VssRay(pointA,
|
---|
| 835 | pointB,
|
---|
| 836 | objectA,
|
---|
| 837 | objectB,
|
---|
| 838 | probability,
|
---|
| 839 | mPass);
|
---|
| 840 |
|
---|
| 841 | vssRays.push_back(vssRay);
|
---|
| 842 | hits ++;
|
---|
| 843 | }
|
---|
| 844 | //Debug << "intel ray: " << *vssRay << endl;
|
---|
| 845 | }
|
---|
| 846 | //cout << "a";
|
---|
| 847 | return hits;
|
---|
[1221] | 848 | }
|
---|
[1251] | 849 |
|
---|
| 850 |
|
---|
| 851 | Intersectable *Preprocessor::CastIntelSingleRay(const Vector3 &viewPoint,
|
---|
| 852 | const Vector3 &direction,
|
---|
| 853 | //const float probability,
|
---|
| 854 | Vector3 &tPoint,
|
---|
| 855 | const AxisAlignedBox3 &box
|
---|
| 856 | )
|
---|
| 857 | {
|
---|
| 858 | AxisAlignedBox3 sbox = box;
|
---|
| 859 | sbox.Enlarge(Vector3(-Limits::Small));
|
---|
| 860 |
|
---|
| 861 | if (!sbox.IsInside(viewPoint))
|
---|
| 862 | return 0;
|
---|
| 863 |
|
---|
| 864 | float pforg[3];
|
---|
| 865 | float pfdir[3];
|
---|
[1272] | 866 | double pfnorm[3];
|
---|
[1251] | 867 |
|
---|
| 868 | pforg[0] = viewPoint[0]; pforg[1] = viewPoint[1]; pforg[2] = viewPoint[2];
|
---|
| 869 | pfdir[0] = direction[0]; pfdir[1] = direction[1]; pfdir[2] = direction[2];
|
---|
| 870 |
|
---|
| 871 | float dist = 0;
|
---|
| 872 | #ifdef GTP_INTERNAL
|
---|
| 873 | const int hittriangle = mlrtaIntersectAS(pforg, pfdir, pfnorm, dist);
|
---|
| 874 | #else
|
---|
| 875 | const int hittriangle = -1;
|
---|
| 876 | #endif
|
---|
| 877 |
|
---|
| 878 | if (hittriangle == -1)
|
---|
| 879 | {
|
---|
| 880 | static Ray ray;
|
---|
| 881 | SetupRay(ray, viewPoint, direction);
|
---|
| 882 |
|
---|
| 883 | float tmin = 0, tmax;
|
---|
| 884 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
| 885 | {
|
---|
| 886 | tPoint = ray.Extrap(tmax);
|
---|
| 887 | }
|
---|
| 888 |
|
---|
| 889 | return NULL;
|
---|
| 890 | }
|
---|
| 891 | else
|
---|
| 892 | {
|
---|
| 893 | tPoint[0] = pforg[0] + pfdir[0] * dist;
|
---|
| 894 | tPoint[1] = pforg[1] + pfdir[1] * dist;
|
---|
| 895 | tPoint[2] = pforg[2] + pfdir[2] * dist;
|
---|
| 896 |
|
---|
| 897 | return mFaceParents[hittriangle];
|
---|
| 898 | }
|
---|
| 899 | }
|
---|
| 900 |
|
---|
| 901 |
|
---|
| 902 | int Preprocessor::CastInternalRay(
|
---|
| 903 | const Vector3 &viewPoint,
|
---|
| 904 | const Vector3 &direction,
|
---|
| 905 | const float probability,
|
---|
| 906 | VssRayContainer &vssRays,
|
---|
| 907 | const AxisAlignedBox3 &box
|
---|
| 908 | )
|
---|
| 909 | {
|
---|
| 910 |
|
---|
[1272] | 911 | int hits = 0;
|
---|
| 912 | static Ray ray;
|
---|
| 913 | Intersectable *objectA, *objectB;
|
---|
| 914 | Vector3 pointA, pointB;
|
---|
[1251] | 915 |
|
---|
[1272] | 916 | // AxisAlignedBox3 box = Union(mKdTree->GetBox(), mViewCellsManager->GetViewSpaceBox());
|
---|
| 917 |
|
---|
| 918 |
|
---|
| 919 | AxisAlignedBox3 sbox = box;
|
---|
| 920 | sbox.Enlarge(Vector3(-Limits::Small));
|
---|
| 921 | if (!sbox.IsInside(viewPoint))
|
---|
| 922 | return 0;
|
---|
[1251] | 923 |
|
---|
[1272] | 924 | SetupRay(ray, viewPoint, direction);
|
---|
| 925 | ray.mFlags &= ~Ray::CULL_BACKFACES;
|
---|
[1251] | 926 |
|
---|
[1272] | 927 | // cast ray to KD tree to find intersection with other objects
|
---|
| 928 | float bsize = Magnitude(box.Size());
|
---|
| 929 |
|
---|
| 930 |
|
---|
| 931 | if (mKdTree->CastRay(ray)) {
|
---|
| 932 | objectA = ray.intersections[0].mObject;
|
---|
| 933 | pointA = ray.Extrap(ray.intersections[0].mT);
|
---|
| 934 | if (mDetectEmptyViewSpace)
|
---|
| 935 | if (DotProd(ray.intersections[0].mNormal, direction) >= 0) {
|
---|
| 936 | // discard the sample
|
---|
| 937 | return 0;
|
---|
| 938 | }
|
---|
| 939 |
|
---|
| 940 | } else {
|
---|
| 941 | objectA = NULL;
|
---|
| 942 | // compute intersection with the scene bounding box
|
---|
| 943 | float tmin, tmax;
|
---|
| 944 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
| 945 | pointA = ray.Extrap(tmax);
|
---|
[1251] | 946 | else
|
---|
[1272] | 947 | return 0;
|
---|
| 948 | }
|
---|
[1251] | 949 |
|
---|
| 950 |
|
---|
[1272] | 951 | SetupRay(ray, viewPoint, -direction);
|
---|
| 952 | ray.mFlags &= ~Ray::CULL_BACKFACES;
|
---|
| 953 |
|
---|
| 954 | if (mKdTree->CastRay(ray)) {
|
---|
| 955 | objectB = ray.intersections[0].mObject;
|
---|
| 956 | pointB = ray.Extrap(ray.intersections[0].mT);
|
---|
| 957 | if (mDetectEmptyViewSpace)
|
---|
| 958 | if (DotProd(ray.intersections[0].mNormal, direction) <= 0) {
|
---|
| 959 | // discard the sample
|
---|
| 960 | return 0;
|
---|
| 961 | }
|
---|
| 962 | } else {
|
---|
| 963 | objectB = NULL;
|
---|
| 964 | float tmin, tmax;
|
---|
| 965 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
| 966 | pointB = ray.Extrap(tmax);
|
---|
[1251] | 967 | else
|
---|
[1272] | 968 | return 0;
|
---|
| 969 | }
|
---|
[1251] | 970 |
|
---|
| 971 |
|
---|
[1272] | 972 | VssRay *vssRay = NULL;
|
---|
| 973 | bool validSample = (objectA != objectB);
|
---|
| 974 | if (validSample) {
|
---|
| 975 | if (objectA) {
|
---|
| 976 | vssRay = new VssRay(pointB,
|
---|
| 977 | pointA,
|
---|
| 978 | objectB,
|
---|
| 979 | objectA,
|
---|
| 980 | mPass,
|
---|
| 981 | probability
|
---|
| 982 | );
|
---|
| 983 | vssRays.push_back(vssRay);
|
---|
| 984 | hits ++;
|
---|
[1251] | 985 | }
|
---|
| 986 |
|
---|
[1272] | 987 | if (objectB) {
|
---|
| 988 | vssRay = new VssRay(pointA,
|
---|
| 989 | pointB,
|
---|
| 990 | objectA,
|
---|
| 991 | objectB,
|
---|
| 992 | mPass,
|
---|
| 993 | probability
|
---|
| 994 | );
|
---|
| 995 | vssRays.push_back(vssRay);
|
---|
| 996 | hits ++;
|
---|
[1251] | 997 | }
|
---|
[1272] | 998 | }
|
---|
| 999 |
|
---|
| 1000 | return hits;
|
---|
[1251] | 1001 | }
|
---|
| 1002 |
|
---|
| 1003 |
|
---|
| 1004 | int Preprocessor::CastRay(
|
---|
| 1005 | const Vector3 &viewPoint,
|
---|
| 1006 | const Vector3 &direction,
|
---|
| 1007 | const float probability,
|
---|
| 1008 | VssRayContainer &vssRays,
|
---|
| 1009 | const AxisAlignedBox3 &box
|
---|
| 1010 | )
|
---|
| 1011 | {
|
---|
| 1012 | switch (mRayCastMethod)
|
---|
| 1013 | {
|
---|
| 1014 | case INTEL_RAYCASTER:
|
---|
| 1015 | return CastIntelDoubleRay(viewPoint, direction, probability, vssRays, box);
|
---|
| 1016 | case INTERNAL_RAYCASTER:
|
---|
| 1017 | default:
|
---|
| 1018 | return CastInternalRay(viewPoint, direction, probability, vssRays, box);
|
---|
| 1019 | }
|
---|
| 1020 | }
|
---|
| 1021 |
|
---|
| 1022 |
|
---|
| 1023 | void Preprocessor::SetupRay(Ray &ray,
|
---|
| 1024 | const Vector3 &point,
|
---|
| 1025 | const Vector3 &direction
|
---|
| 1026 | )
|
---|
| 1027 | {
|
---|
| 1028 | ray.Clear();
|
---|
| 1029 | // do not store anything else then intersections at the ray
|
---|
| 1030 | ray.Init(point, direction, Ray::LOCAL_RAY);
|
---|
| 1031 | }
|
---|
| 1032 |
|
---|
| 1033 | }
|
---|