[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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[1279] | 19 | #include "HierarchyManager.h"
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[1287] | 20 | #include "VssRay.h"
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[1264] | 21 |
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[1287] | 22 |
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[1251] | 23 | #ifdef GTP_INTERNAL
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[1221] | 24 | #include "ArchModeler2MLRT.hxx"
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[1232] | 25 | #endif
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[372] | 26 |
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[1292] | 27 | #define DEBUG_RAYCAST 0
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| 28 |
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| 29 |
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[863] | 30 | namespace GtpVisibilityPreprocessor {
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[860] | 31 |
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[1020] | 32 | const static bool ADDITIONAL_GEOMETRY_HACK = false;
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[860] | 33 |
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[1145] | 34 | //Preprocessor *preprocessor;
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[492] | 35 |
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[750] | 36 |
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[1001] | 37 | // HACK: Artificially modify scene to watch rendercost changes
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[750] | 38 | static void AddGeometry(SceneGraph *scene)
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| 39 | {
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[1328] | 40 | scene->GetRoot()->UpdateBox();
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[752] | 41 |
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[750] | 42 | AxisAlignedBox3 sceneBox = scene->GetBox();
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| 43 |
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| 44 | int n = 200;
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| 45 |
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[1291] | 46 | if (0)
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[750] | 47 | {
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[1291] | 48 | // form grid of boxes
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| 49 | for (int i = 0; i < n; ++ i)
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[750] | 50 | {
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[1291] | 51 | for (int j = 0; j < n; ++ j)
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| 52 | {
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| 53 | 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] | 54 |
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[1291] | 55 | const Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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| 56 |
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| 57 | const Vector3 boxSize = sceneBox.Size() * Vector3(0.0025f, 0.01f, 0.0025f);
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| 58 | AxisAlignedBox3 box(pt2, pt2 + boxSize);
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| 59 | Mesh *mesh = CreateMeshFromBox(box);
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| 60 |
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| 61 | mesh->Preprocess();
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| 62 |
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| 63 | MeshInstance *mi = new MeshInstance(mesh);
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[1328] | 64 | scene->GetRoot()->mGeometry.push_back(mi);
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[1291] | 65 | }
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[750] | 66 | }
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| 67 |
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[1291] | 68 | for (int i = 0; i < n; ++ i)
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[750] | 69 | {
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[1291] | 70 | for (int j = 0; j < n; ++ j)
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| 71 | {
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| 72 | const Vector3 scale2(0.15f, (float)j * 0.8f / n + 0.1f, (float)i * 0.8f / (float)n + 0.1f);
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| 73 |
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| 74 | Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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| 75 |
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| 76 | Vector3 boxSize = sceneBox.Size() * Vector3(0.0025f, 0.01f, 0.0025f);
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| 77 | AxisAlignedBox3 box(pt2, pt2 + boxSize);
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| 78 | Mesh *mesh = CreateMeshFromBox(box);
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| 79 |
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| 80 | mesh->Preprocess();
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| 81 |
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| 82 | MeshInstance *mi = new MeshInstance(mesh);
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[1328] | 83 | scene->GetRoot()->mGeometry.push_back(mi);
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[1291] | 84 | }
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| 85 | }
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| 86 |
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| 87 | for (int i = 0; i < n; ++ i)
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| 88 | {
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| 89 | const Vector3 scale2(2, 0.2f, (float)i * 0.8f / (float)n + 0.1f);
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| 90 |
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[750] | 91 | Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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[1291] | 92 |
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| 93 | //Vector3 boxSize = sceneBox.Size() * Vector3(0.0025, 0.01, 0.0025);
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| 94 | Vector3 boxSize = sceneBox.Size() * Vector3(0.005f, 0.02f, 0.005f);
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| 95 |
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| 96 | AxisAlignedBox3 box(pt2 + 0.1f, pt2 + boxSize);
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[991] | 97 | Mesh *mesh = CreateMeshFromBox(box);
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[750] | 98 |
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| 99 | mesh->Preprocess();
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[1291] | 100 |
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[750] | 101 | MeshInstance *mi = new MeshInstance(mesh);
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[1328] | 102 | scene->GetRoot()->mGeometry.push_back(mi);
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[750] | 103 | }
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[1291] | 104 |
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[1328] | 105 | scene->GetRoot()->UpdateBox();
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[750] | 106 | }
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| 107 |
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[840] | 108 | if (1)
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| 109 | {
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[1221] | 110 | // plane separating view space regions
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[1135] | 111 | const Vector3 scale(1.0f, 0.0, 0);
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[750] | 112 |
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[840] | 113 | Vector3 pt = sceneBox.Min() + scale * (sceneBox.Max() - sceneBox.Min());
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[750] | 114 |
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[840] | 115 | Plane3 cuttingPlane(Vector3(1, 0, 0), pt);
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| 116 | Mesh *planeMesh = new Mesh();
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[1291] | 117 |
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[840] | 118 | Polygon3 *poly = sceneBox.CrossSection(cuttingPlane);
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| 119 | IncludePolyInMesh(*poly, *planeMesh);
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[1291] | 120 |
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[840] | 121 | planeMesh->Preprocess();
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[1291] | 122 |
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[840] | 123 | MeshInstance *planeMi = new MeshInstance(planeMesh);
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[1328] | 124 | scene->GetRoot()->mGeometry.push_back(planeMi);
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[840] | 125 | }
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[750] | 126 | }
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| 127 |
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| 128 |
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[372] | 129 | Preprocessor::Preprocessor():
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| 130 | mKdTree(NULL),
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[409] | 131 | mBspTree(NULL),
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[445] | 132 | mVspBspTree(NULL),
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[1279] | 133 | mHierarchyManager(NULL),
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[1002] | 134 | mViewCellsManager(NULL),
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[1251] | 135 | mRenderSimulator(NULL),
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[1279] | 136 | mPass(0),
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[1328] | 137 | mRayCastMethod(0),
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| 138 | mSceneGraph(NULL)
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[308] | 139 | {
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[1004] | 140 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlRenderer", mUseGlRenderer);
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[538] | 141 |
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[840] | 142 | // renderer will be constructed when the scene graph and viewcell manager will be known
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| 143 | renderer = NULL;
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[496] | 144 |
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[1004] | 145 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlDebugger", mUseGlDebugger);
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[1379] | 146 | Environment::GetSingleton()->GetBoolValue("Preprocessor.loadMeshes", mLoadMeshes);
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[1004] | 147 | Environment::GetSingleton()->GetBoolValue("Preprocessor.quitOnFinish", mQuitOnFinish);
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| 148 | Environment::GetSingleton()->GetBoolValue("Preprocessor.computeVisibility", mComputeVisibility);
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| 149 | Environment::GetSingleton()->GetBoolValue("Preprocessor.detectEmptyViewSpace", mDetectEmptyViewSpace);
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| 150 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportVisibility", mExportVisibility );
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[1221] | 151 | Environment::GetSingleton()->GetIntValue("Preprocessor.rayCastMethod", mRayCastMethod);
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[1291] | 152 |
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[871] | 153 | char buffer[256];
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[1004] | 154 | Environment::GetSingleton()->GetStringValue("Preprocessor.visibilityFile", buffer);
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[1415] | 155 |
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[871] | 156 | mVisibilityFileName = buffer;
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[1004] | 157 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilityFilter", mApplyVisibilityFilter );
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| 158 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilitySpatialFilter",
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[904] | 159 | mApplyVisibilitySpatialFilter );
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[1004] | 160 | Environment::GetSingleton()->GetFloatValue("Preprocessor.visibilityFilterWidth", mVisibilityFilterWidth);
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[878] | 161 |
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[840] | 162 | Debug << "detect empty view space=" << mDetectEmptyViewSpace << endl;
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[1379] | 163 | Debug << "load meshes: " << mLoadMeshes << endl;
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[1344] | 164 |
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| 165 | if (mRayCastMethod == 0)
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| 166 | cout << "ray cast method: internal" << endl;
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| 167 | else
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| 168 | cout << "ray cast method: intel" << endl;
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[372] | 169 | }
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| 170 |
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| 171 |
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| 172 | Preprocessor::~Preprocessor()
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| 173 | {
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[1291] | 174 | cout << "cleaning up" << endl;
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[752] | 175 |
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[1291] | 176 | cout << "Deleting view cells manager ... \n";
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| 177 | DEL_PTR(mViewCellsManager);
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| 178 | cout << "done.\n";
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[752] | 179 |
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[1291] | 180 | cout << "Deleting bsp tree ... \n";
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| 181 | DEL_PTR(mBspTree);
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| 182 | cout << "done.\n";
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[752] | 183 |
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[1291] | 184 | cout << "Deleting kd tree...\n";
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| 185 | DEL_PTR(mKdTree);
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| 186 | cout << "done.\n";
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[752] | 187 |
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[1291] | 188 | cout << "Deleting hierarchy manager...\n";
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| 189 | DEL_PTR(mHierarchyManager);
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| 190 | cout << "done.\n";
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[1002] | 191 |
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[1291] | 192 | cout << "Deleting vspbsp tree...\n";
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| 193 | DEL_PTR(mVspBspTree);
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| 194 | cout << "done.\n";
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[1002] | 195 |
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[1291] | 196 | cout << "Deleting scene graph...\n";
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| 197 | DEL_PTR(mSceneGraph);
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| 198 | cout << "done.\n";
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| 199 |
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| 200 | DEL_PTR(mRenderSimulator);
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| 201 | DEL_PTR(renderer);
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[372] | 202 | }
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| 203 |
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[387] | 204 | int
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[419] | 205 | SplitFilenames(const string str, vector<string> &filenames)
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[387] | 206 | {
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| 207 | int pos = 0;
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| 208 |
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| 209 | while(1) {
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[469] | 210 | int npos = (int)str.find(';', pos);
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[387] | 211 |
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| 212 | if (npos < 0 || npos - pos < 1)
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| 213 | break;
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| 214 | filenames.push_back(string(str, pos, npos - pos));
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| 215 | pos = npos + 1;
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| 216 | }
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| 217 |
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| 218 | filenames.push_back(string(str, pos, str.size() - pos));
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[440] | 219 | return (int)filenames.size();
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[387] | 220 | }
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| 221 |
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[750] | 222 |
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[372] | 223 | bool
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| 224 | Preprocessor::LoadScene(const string filename)
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| 225 | {
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[925] | 226 | // use leaf nodes of the original spatial hierarchy as occludees
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[508] | 227 | mSceneGraph = new SceneGraph;
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[372] | 228 |
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[508] | 229 | Parser *parser;
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[387] | 230 | vector<string> filenames;
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[1404] | 231 | const int files = SplitFilenames(filename, filenames);
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[712] | 232 | cout << "number of input files: " << files << endl;
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[387] | 233 | bool result = false;
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[1344] | 234 |
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| 235 | // root for different files
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| 236 | mSceneGraph->SetRoot(new SceneGraphNode());
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| 237 |
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[1404] | 238 | // intel ray caster can only trace triangles
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| 239 | vector<FaceParentInfo> *fi = (mRayCastMethod == Preprocessor::INTEL_RAYCASTER) ?
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| 240 | &mFaceParents : NULL;
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| 241 |
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[387] | 242 | if (files == 1) {
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| 243 |
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| 244 | if (strstr(filename.c_str(), ".x3d"))
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[749] | 245 | parser = new X3dParser;
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[387] | 246 | else
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[811] | 247 | if (strstr(filename.c_str(), ".ply") || strstr(filename.c_str(), ".plb"))
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[749] | 248 | parser = new PlyParser;
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[1221] | 249 | else if (strstr(filename.c_str(), ".obj"))
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| 250 | parser = new ObjParser;
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| 251 | else
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| 252 | parser = new UnigraphicsParser;
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[372] | 253 |
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[1328] | 254 | cout << filename << endl;
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[1404] | 255 |
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| 256 | result = parser->ParseFile(
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[1328] | 257 | filename,
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[1344] | 258 | mSceneGraph->GetRoot(),
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[1379] | 259 | mLoadMeshes,
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[1404] | 260 | fi);
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| 261 |
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[387] | 262 | delete parser;
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[372] | 263 |
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[1404] | 264 | }
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| 265 | else {
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| 266 | vector<string>::const_iterator fit, fit_end = filenames.end();
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[1344] | 267 |
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[1404] | 268 | for (fit = filenames.begin(); fit != fit_end; ++ fit)
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| 269 | {
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| 270 | const string filename = *fit;
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[1328] | 271 |
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[1404] | 272 | cout << "parsing file " << filename.c_str() << endl;
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| 273 | if (strstr(filename.c_str(), ".x3d"))
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| 274 | parser = new X3dParser;
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| 275 | else
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| 276 | parser = new UnigraphicsParser;
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| 277 |
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| 278 | SceneGraphNode *node = new SceneGraphNode();
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| 279 | const bool success = parser->ParseFile(
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| 280 | filename,
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| 281 | node,
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| 282 | mLoadMeshes,
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| 283 | fi);
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| 284 |
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| 285 | if (success)
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| 286 | {
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| 287 | mSceneGraph->GetRoot()->mChildren.push_back(node);
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| 288 | result = true; // at least one file parsed
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| 289 | }
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| 290 |
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| 291 | delete parser;
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[387] | 292 | }
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| 293 | }
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[1344] | 294 |
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[752] | 295 | if (result)
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[1344] | 296 | {
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[752] | 297 | // HACK
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[1020] | 298 | if (ADDITIONAL_GEOMETRY_HACK)
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| 299 | AddGeometry(mSceneGraph);
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[1328] | 300 |
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[1020] | 301 | mSceneGraph->AssignObjectIds();
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[1344] | 302 |
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[1020] | 303 | int intersectables, faces;
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| 304 | mSceneGraph->GetStatistics(intersectables, faces);
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[1344] | 305 |
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[1020] | 306 | cout<<filename<<" parsed successfully."<<endl;
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| 307 | cout<<"#NUM_OBJECTS (Total numner of objects)\n"<<intersectables<<endl;
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| 308 | cout<<"#NUM_FACES (Total numner of faces)\n"<<faces<<endl;
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| 309 | mSceneGraph->CollectObjects(&mObjects);
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[1328] | 310 | mSceneGraph->GetRoot()->UpdateBox();
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[1344] | 311 |
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[1020] | 312 | if (0)
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| 313 | {
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| 314 | Exporter *exporter = Exporter::GetExporter("testload.x3d");
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| 315 | if (exporter)
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| 316 | {
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| 317 | exporter->ExportGeometry(mObjects);
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| 318 | delete exporter;
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| 319 | }
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| 320 | }
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[387] | 321 | }
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[1328] | 322 |
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[492] | 323 | return result;
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[372] | 324 | }
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| 325 |
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| 326 | bool
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| 327 | Preprocessor::ExportPreprocessedData(const string filename)
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| 328 | {
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[871] | 329 |
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[931] | 330 | mViewCellsManager->ExportViewCells(filename, true, mObjects);
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[871] | 331 |
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| 332 | return true;
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[372] | 333 | }
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| 334 |
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| 335 | bool
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[871] | 336 | Preprocessor::PostProcessVisibility()
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| 337 | {
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| 338 |
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[904] | 339 | if (mApplyVisibilityFilter || mApplyVisibilitySpatialFilter) {
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[997] | 340 | cout<<"Applying visibility filter ...";
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[1002] | 341 | cout<<"filter width = " << mVisibilityFilterWidth << endl;
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[904] | 342 |
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[1002] | 343 | if (!mViewCellsManager)
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[1199] | 344 | return false;
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| 345 |
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[871] | 346 | mViewCellsManager->ApplyFilter(mKdTree,
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[904] | 347 | mApplyVisibilityFilter ? mVisibilityFilterWidth : -1.0f,
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| 348 | mApplyVisibilitySpatialFilter ? mVisibilityFilterWidth : -1.0f);
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[997] | 349 | cout << "done." << endl;
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[871] | 350 | }
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| 351 |
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| 352 | // export the preprocessed information to a file
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| 353 | if (mExportVisibility)
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| 354 | ExportPreprocessedData(mVisibilityFileName);
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| 355 |
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| 356 | return true;
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| 357 | }
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| 358 |
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| 359 |
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| 360 | bool
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[372] | 361 | Preprocessor::BuildKdTree()
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| 362 | {
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| 363 | mKdTree = new KdTree;
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[1344] | 364 |
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[372] | 365 | // add mesh instances of the scene graph to the root of the tree
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| 366 | KdLeaf *root = (KdLeaf *)mKdTree->GetRoot();
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[1344] | 367 |
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[372] | 368 | mSceneGraph->CollectObjects(&root->mObjects);
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[1344] | 369 |
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[1415] | 370 | const long startTime = GetTime();
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[1201] | 371 | cout << "building kd tree ... " << endl;
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[1344] | 372 |
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[372] | 373 | mKdTree->Construct();
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[1344] | 374 |
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[1415] | 375 | cout << "finished kd tree construction in " << TimeDiff(startTime, GetTime()) * 1e-3
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| 376 | << " secs " << endl;
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[1344] | 377 |
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[372] | 378 | return true;
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| 379 | }
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| 380 |
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[1415] | 381 |
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[372] | 382 | void
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| 383 | Preprocessor::KdTreeStatistics(ostream &s)
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| 384 | {
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| 385 | s<<mKdTree->GetStatistics();
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| 386 | }
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| 387 |
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| 388 | void
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| 389 | Preprocessor::BspTreeStatistics(ostream &s)
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| 390 | {
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| 391 | s << mBspTree->GetStatistics();
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| 392 | }
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| 393 |
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| 394 | bool
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| 395 | Preprocessor::Export( const string filename,
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[492] | 396 | const bool scene,
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| 397 | const bool kdtree,
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| 398 | const bool bsptree
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| 399 | )
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[372] | 400 | {
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| 401 | Exporter *exporter = Exporter::GetExporter(filename);
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| 402 |
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| 403 | if (exporter) {
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[1405] | 404 | if (0 && scene)
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[1328] | 405 | exporter->ExportScene(mSceneGraph->GetRoot());
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[372] | 406 |
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[1405] | 407 | if (0 && kdtree) {
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[372] | 408 | exporter->SetWireframe();
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| 409 | exporter->ExportKdTree(*mKdTree);
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| 410 | }
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| 411 |
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[1405] | 412 | if (0 && bsptree) {
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[372] | 413 | //exporter->SetWireframe();
|
---|
| 414 | exporter->ExportBspTree(*mBspTree);
|
---|
| 415 | }
|
---|
| 416 |
|
---|
| 417 | delete exporter;
|
---|
| 418 | return true;
|
---|
| 419 | }
|
---|
| 420 |
|
---|
| 421 | return false;
|
---|
| 422 | }
|
---|
[429] | 423 |
|
---|
[508] | 424 |
|
---|
[463] | 425 | bool Preprocessor::PrepareViewCells()
|
---|
| 426 | {
|
---|
[577] | 427 | //-- parse view cells construction method
|
---|
[1004] | 428 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", mLoadViewCells);
|
---|
[577] | 429 | char buf[100];
|
---|
| 430 |
|
---|
| 431 | if (mLoadViewCells)
|
---|
[997] | 432 | {
|
---|
[1004] | 433 | Environment::GetSingleton()->GetStringValue("ViewCells.filename", buf);
|
---|
[1264] | 434 | cout << "loading view cells from " << buf << endl;
|
---|
[1004] | 435 | mViewCellsManager = ViewCellsManager::LoadViewCells(buf, &mObjects, true);
|
---|
[577] | 436 | }
|
---|
| 437 | else
|
---|
| 438 | {
|
---|
[1288] | 439 | // parse type of view cell container
|
---|
[1004] | 440 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
[1002] | 441 | mViewCellsManager = CreateViewCellsManager(buf);
|
---|
[1112] | 442 |
|
---|
| 443 | // default view space is the extent of the scene
|
---|
| 444 | mViewCellsManager->SetViewSpaceBox(mSceneGraph->GetBox());
|
---|
[577] | 445 | }
|
---|
[1112] | 446 |
|
---|
[997] | 447 | //-- parameters for render heuristics evaluation
|
---|
[473] | 448 | float objRenderCost = 0, vcOverhead = 0, moveSpeed = 0;
|
---|
| 449 |
|
---|
[1004] | 450 | Environment::GetSingleton()->GetFloatValue("Simulation.objRenderCost",objRenderCost);
|
---|
| 451 | Environment::GetSingleton()->GetFloatValue("Simulation.vcOverhead", vcOverhead);
|
---|
| 452 | Environment::GetSingleton()->GetFloatValue("Simulation.moveSpeed", moveSpeed);
|
---|
[694] | 453 |
|
---|
[473] | 454 | mRenderSimulator =
|
---|
| 455 | new RenderSimulator(mViewCellsManager, objRenderCost, vcOverhead, moveSpeed);
|
---|
[440] | 456 |
|
---|
[480] | 457 | mViewCellsManager->SetRenderer(mRenderSimulator);
|
---|
[440] | 458 |
|
---|
[574] | 459 |
|
---|
[538] | 460 | if (mUseGlRenderer || mUseGlDebugger)
|
---|
[540] | 461 | {
|
---|
| 462 | // NOTE: render texture should be power of 2 and square
|
---|
| 463 | // renderer must be initialised
|
---|
[1145] | 464 | // $$matt
|
---|
| 465 | // renderer = new GlRendererBuffer(1024, 768, mSceneGraph, mViewCellsManager, mKdTree);
|
---|
[556] | 466 | // renderer->makeCurrent();
|
---|
[746] | 467 |
|
---|
[540] | 468 | }
|
---|
[496] | 469 |
|
---|
[463] | 470 | return true;
|
---|
[490] | 471 | }
|
---|
| 472 |
|
---|
[1292] | 473 |
|
---|
| 474 | bool
|
---|
| 475 | Preprocessor::ConstructViewCells()
|
---|
| 476 | {
|
---|
| 477 | // if not already loaded, construct view cells from file
|
---|
| 478 | if (!mLoadViewCells) {
|
---|
| 479 | mViewCellsManager->SetViewSpaceBox(mKdTree->GetBox());
|
---|
| 480 |
|
---|
| 481 | // construct view cells using it's own set of samples
|
---|
| 482 | mViewCellsManager->Construct(this);
|
---|
| 483 |
|
---|
| 484 | //-- several visualizations and statistics
|
---|
| 485 | Debug << "view cells construction finished: " << endl;
|
---|
| 486 | mViewCellsManager->PrintStatistics(Debug);
|
---|
| 487 | }
|
---|
| 488 | return true;
|
---|
| 489 | }
|
---|
[490] | 490 |
|
---|
[1294] | 491 |
|
---|
[1288] | 492 | HierarchyManager *Preprocessor::CreateHierarchyManager(const char *name)
|
---|
| 493 | {
|
---|
| 494 | HierarchyManager *hierarchyManager;
|
---|
| 495 |
|
---|
| 496 | if (strcmp(name, "osp") == 0)
|
---|
| 497 | {
|
---|
[1291] | 498 | Debug << "hierarchy manager: osp" << endl;
|
---|
[1288] | 499 | // HACK for testing if per kd evaluation works!!
|
---|
[1293] | 500 | const bool ishack = false;
|
---|
[1288] | 501 | if (ishack)
|
---|
[1421] | 502 | hierarchyManager = new HierarchyManager(mKdTree);
|
---|
[1288] | 503 | else
|
---|
[1421] | 504 | hierarchyManager = new HierarchyManager(HierarchyManager::KD_BASED_OBJ_SUBDIV);
|
---|
[1288] | 505 | }
|
---|
| 506 | else if (strcmp(name, "bvh") == 0)
|
---|
| 507 | {
|
---|
[1291] | 508 | Debug << "hierarchy manager: bvh" << endl;
|
---|
[1421] | 509 | hierarchyManager = new HierarchyManager(HierarchyManager::BV_BASED_OBJ_SUBDIV);
|
---|
[1288] | 510 | }
|
---|
[1291] | 511 | else // only view space partition
|
---|
| 512 | {
|
---|
| 513 | Debug << "hierarchy manager: obj" << endl;
|
---|
[1421] | 514 | hierarchyManager = new HierarchyManager(HierarchyManager::NO_OBJ_SUBDIV);
|
---|
[1291] | 515 | }
|
---|
[1288] | 516 |
|
---|
| 517 | return hierarchyManager;
|
---|
| 518 | }
|
---|
| 519 |
|
---|
| 520 |
|
---|
[575] | 521 | ViewCellsManager *Preprocessor::CreateViewCellsManager(const char *name)
|
---|
| 522 | {
|
---|
[1264] | 523 | ViewCellsTree *vcTree = new ViewCellsTree;
|
---|
| 524 |
|
---|
[575] | 525 | if (strcmp(name, "kdTree") == 0)
|
---|
| 526 | {
|
---|
[1264] | 527 | mViewCellsManager = new KdViewCellsManager(vcTree, mKdTree);
|
---|
[575] | 528 | }
|
---|
| 529 | else if (strcmp(name, "bspTree") == 0)
|
---|
| 530 | {
|
---|
| 531 | Debug << "view cell type: Bsp" << endl;
|
---|
| 532 |
|
---|
[577] | 533 | mBspTree = new BspTree();
|
---|
[1264] | 534 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
[575] | 535 | }
|
---|
| 536 | else if (strcmp(name, "vspBspTree") == 0)
|
---|
| 537 | {
|
---|
| 538 | Debug << "view cell type: VspBsp" << endl;
|
---|
| 539 |
|
---|
[1004] | 540 | mVspBspTree = new VspBspTree();
|
---|
[1264] | 541 | mViewCellsManager = new VspBspViewCellsManager(vcTree, mVspBspTree);
|
---|
[575] | 542 | }
|
---|
[1006] | 543 | else if (strcmp(name, "vspOspTree") == 0)
|
---|
[575] | 544 | {
|
---|
[1421] | 545 | Debug << "view cell type: VspOsp" << endl;
|
---|
[1288] | 546 | char buf[100];
|
---|
| 547 | Environment::GetSingleton()->GetStringValue("Hierarchy.type", buf);
|
---|
[1022] | 548 |
|
---|
[1288] | 549 | HierarchyManager *mHierarchyManager = CreateHierarchyManager(buf);
|
---|
[1279] | 550 | mViewCellsManager = new VspOspViewCellsManager(vcTree, mHierarchyManager);
|
---|
[575] | 551 | }
|
---|
[1421] | 552 | else if (strcmp(name, "sceneDependent") == 0) //TODO
|
---|
[575] | 553 | {
|
---|
[1143] | 554 | Debug << "view cell type: Bsp" << endl;
|
---|
[1421] | 555 |
|
---|
[575] | 556 | mBspTree = new BspTree();
|
---|
[1264] | 557 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
[575] | 558 | }
|
---|
| 559 | else
|
---|
| 560 | {
|
---|
[664] | 561 | cerr << "Wrong view cells type " << name << "!!!" << endl;
|
---|
[575] | 562 | exit(1);
|
---|
| 563 | }
|
---|
| 564 |
|
---|
| 565 | return mViewCellsManager;
|
---|
| 566 | }
|
---|
| 567 |
|
---|
| 568 |
|
---|
[491] | 569 | // use ascii format to store rays
|
---|
| 570 | #define USE_ASCII 0
|
---|
| 571 |
|
---|
| 572 |
|
---|
[1145] | 573 | static inline bool ilt(Intersectable *obj1, Intersectable *obj2)
|
---|
[490] | 574 | {
|
---|
| 575 | return obj1->mId < obj2->mId;
|
---|
| 576 | }
|
---|
| 577 |
|
---|
| 578 |
|
---|
[1414] | 579 | bool Preprocessor::LoadKdTree(const string filename)
|
---|
[1197] | 580 | {
|
---|
[1414] | 581 | mKdTree = new KdTree();
|
---|
| 582 | return mKdTree->LoadBinTree(filename.c_str(), mObjects);
|
---|
[1197] | 583 | }
|
---|
| 584 |
|
---|
[1414] | 585 |
|
---|
| 586 | bool Preprocessor::ExportKdTree(const string filename)
|
---|
[1197] | 587 | {
|
---|
[1414] | 588 | return mKdTree->ExportBinTree(filename.c_str());
|
---|
[1197] | 589 | }
|
---|
| 590 |
|
---|
| 591 |
|
---|
[490] | 592 | bool Preprocessor::LoadSamples(VssRayContainer &samples,
|
---|
| 593 | ObjectContainer &objects) const
|
---|
| 594 | {
|
---|
| 595 | std::stable_sort(objects.begin(), objects.end(), ilt);
|
---|
| 596 | char fileName[100];
|
---|
[1004] | 597 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
[490] | 598 |
|
---|
[491] | 599 | Vector3 origin, termination;
|
---|
| 600 | // HACK: needed only for lower_bound algorithm to find the
|
---|
| 601 | // intersected objects
|
---|
| 602 | MeshInstance sObj(NULL);
|
---|
| 603 | MeshInstance tObj(NULL);
|
---|
[490] | 604 |
|
---|
[491] | 605 | #if USE_ASCII
|
---|
[656] | 606 | ifstream samplesIn(fileName);
|
---|
[490] | 607 | if (!samplesIn.is_open())
|
---|
| 608 | return false;
|
---|
| 609 |
|
---|
| 610 | string buf;
|
---|
| 611 | while (!(getline(samplesIn, buf)).eof())
|
---|
| 612 | {
|
---|
[491] | 613 | sscanf(buf.c_str(), "%f %f %f %f %f %f %d %d",
|
---|
[490] | 614 | &origin.x, &origin.y, &origin.z,
|
---|
[491] | 615 | &termination.x, &termination.y, &termination.z,
|
---|
| 616 | &(sObj.mId), &(tObj.mId));
|
---|
[490] | 617 |
|
---|
[491] | 618 | Intersectable *sourceObj = NULL;
|
---|
| 619 | Intersectable *termObj = NULL;
|
---|
| 620 |
|
---|
| 621 | if (sObj.mId >= 0)
|
---|
[490] | 622 | {
|
---|
| 623 | ObjectContainer::iterator oit =
|
---|
[491] | 624 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 625 | sourceObj = *oit;
|
---|
| 626 | }
|
---|
| 627 |
|
---|
| 628 | if (tObj.mId >= 0)
|
---|
| 629 | {
|
---|
| 630 | ObjectContainer::iterator oit =
|
---|
| 631 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 632 | termObj = *oit;
|
---|
| 633 | }
|
---|
[490] | 634 |
|
---|
[491] | 635 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
| 636 | }
|
---|
| 637 | #else
|
---|
| 638 | ifstream samplesIn(fileName, ios::binary);
|
---|
| 639 | if (!samplesIn.is_open())
|
---|
| 640 | return false;
|
---|
| 641 |
|
---|
| 642 | while (1)
|
---|
| 643 | {
|
---|
| 644 | samplesIn.read(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 645 | samplesIn.read(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 646 | samplesIn.read(reinterpret_cast<char *>(&(sObj.mId)), sizeof(int));
|
---|
| 647 | samplesIn.read(reinterpret_cast<char *>(&(tObj.mId)), sizeof(int));
|
---|
| 648 |
|
---|
| 649 | if (samplesIn.eof())
|
---|
| 650 | break;
|
---|
| 651 |
|
---|
| 652 | Intersectable *sourceObj = NULL;
|
---|
| 653 | Intersectable *termObj = NULL;
|
---|
| 654 |
|
---|
| 655 | if (sObj.mId >= 0)
|
---|
| 656 | {
|
---|
| 657 | ObjectContainer::iterator oit =
|
---|
| 658 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 659 | sourceObj = *oit;
|
---|
[490] | 660 | }
|
---|
[491] | 661 |
|
---|
| 662 | if (tObj.mId >= 0)
|
---|
[490] | 663 | {
|
---|
[491] | 664 | ObjectContainer::iterator oit =
|
---|
| 665 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 666 | termObj = *oit;
|
---|
[490] | 667 | }
|
---|
[491] | 668 |
|
---|
| 669 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
[490] | 670 | }
|
---|
[491] | 671 |
|
---|
| 672 | #endif
|
---|
[490] | 673 | samplesIn.close();
|
---|
| 674 |
|
---|
| 675 | return true;
|
---|
| 676 | }
|
---|
| 677 |
|
---|
[508] | 678 |
|
---|
| 679 | bool Preprocessor::ExportSamples(const VssRayContainer &samples) const
|
---|
[490] | 680 | {
|
---|
[491] | 681 | char fileName[100];
|
---|
[1004] | 682 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
[491] | 683 |
|
---|
[490] | 684 |
|
---|
| 685 | VssRayContainer::const_iterator it, it_end = samples.end();
|
---|
| 686 |
|
---|
[491] | 687 | #if USE_ASCII
|
---|
| 688 | ofstream samplesOut(fileName);
|
---|
[490] | 689 | if (!samplesOut.is_open())
|
---|
| 690 | return false;
|
---|
| 691 |
|
---|
| 692 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 693 | {
|
---|
| 694 | VssRay *ray = *it;
|
---|
[491] | 695 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 696 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 697 |
|
---|
[490] | 698 | samplesOut << ray->GetOrigin().x << " " << ray->GetOrigin().y << " " << ray->GetOrigin().z << " "
|
---|
| 699 | << ray->GetTermination().x << " " << ray->GetTermination().y << " " << ray->GetTermination().z << " "
|
---|
[491] | 700 | << sourceid << " " << termid << "\n";
|
---|
[490] | 701 | }
|
---|
[491] | 702 | #else
|
---|
| 703 | ofstream samplesOut(fileName, ios::binary);
|
---|
| 704 | if (!samplesOut.is_open())
|
---|
| 705 | return false;
|
---|
| 706 |
|
---|
| 707 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 708 | {
|
---|
| 709 | VssRay *ray = *it;
|
---|
| 710 | Vector3 origin(ray->GetOrigin());
|
---|
| 711 | Vector3 termination(ray->GetTermination());
|
---|
| 712 |
|
---|
| 713 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 714 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 715 |
|
---|
| 716 | samplesOut.write(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 717 | samplesOut.write(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 718 | samplesOut.write(reinterpret_cast<char *>(&sourceid), sizeof(int));
|
---|
| 719 | samplesOut.write(reinterpret_cast<char *>(&termid), sizeof(int));
|
---|
| 720 | }
|
---|
| 721 | #endif
|
---|
[490] | 722 | samplesOut.close();
|
---|
[1194] | 723 |
|
---|
[490] | 724 | return true;
|
---|
| 725 | }
|
---|
[563] | 726 |
|
---|
[1020] | 727 | bool Preprocessor::GenerateRays(const int number,
|
---|
| 728 | const int sampleType,
|
---|
| 729 | SimpleRayContainer &rays)
|
---|
| 730 | {
|
---|
| 731 | const int startSize = (int)rays.size();
|
---|
| 732 | SamplingStrategy *strategy = GenerateSamplingStrategy(sampleType);
|
---|
[860] | 733 |
|
---|
[1020] | 734 | if (!strategy)
|
---|
[1381] | 735 | {
|
---|
[1020] | 736 | return false;
|
---|
[1381] | 737 | }
|
---|
[1020] | 738 |
|
---|
| 739 | for (int i=0; (int)rays.size() - startSize < number; ++ i)
|
---|
| 740 | {
|
---|
| 741 | SimpleRay newRay;
|
---|
| 742 |
|
---|
[1381] | 743 | if (strategy->GenerateSample(newRay))
|
---|
| 744 | {
|
---|
| 745 | #if 1
|
---|
[1020] | 746 | rays.AddRay(newRay);
|
---|
[1381] | 747 | #else
|
---|
| 748 | GenerateRayBundle(rays, newRay, 16, 0);
|
---|
| 749 | #endif
|
---|
| 750 | }
|
---|
[1020] | 751 | }
|
---|
| 752 |
|
---|
| 753 | delete strategy;
|
---|
| 754 | return true;
|
---|
[878] | 755 | }
|
---|
[1020] | 756 |
|
---|
| 757 |
|
---|
| 758 | SamplingStrategy *Preprocessor::GenerateSamplingStrategy(const int strategyId) const
|
---|
| 759 | {
|
---|
| 760 | switch (strategyId)
|
---|
| 761 | {
|
---|
| 762 | case OBJECT_BASED_DISTRIBUTION:
|
---|
| 763 | return new ObjectBasedDistribution(*this);
|
---|
| 764 | case OBJECT_DIRECTION_BASED_DISTRIBUTION:
|
---|
| 765 | return new ObjectDirectionBasedDistribution(*this);
|
---|
| 766 | case DIRECTION_BASED_DISTRIBUTION:
|
---|
| 767 | return new DirectionBasedDistribution(*this);
|
---|
| 768 | case DIRECTION_BOX_BASED_DISTRIBUTION:
|
---|
| 769 | return new DirectionBoxBasedDistribution(*this);
|
---|
| 770 | case SPATIAL_BOX_BASED_DISTRIBUTION:
|
---|
| 771 | return new SpatialBoxBasedDistribution(*this);
|
---|
[1021] | 772 | //case OBJECTS_INTERIOR_DISTRIBUTION:
|
---|
| 773 | // return new ObjectsInteriorDistribution(*this);
|
---|
[1020] | 774 | default: // no valid strategy
|
---|
[1279] | 775 | Debug << "warning: no valid sampling strategy" << endl;
|
---|
[1020] | 776 | return NULL;
|
---|
| 777 | }
|
---|
[1221] | 778 |
|
---|
[1020] | 779 | // should never come here
|
---|
| 780 | return NULL;
|
---|
| 781 | }
|
---|
| 782 |
|
---|
| 783 |
|
---|
[1418] | 784 | bool Preprocessor::InitRayCast(const string externKdTree, const string internkdtree)
|
---|
[1221] | 785 | {
|
---|
[1418] | 786 | bool loadKdTree;
|
---|
[1415] | 787 | Environment::GetSingleton()->GetBoolValue("Preprocessor.loadKdTree", loadKdTree);
|
---|
| 788 |
|
---|
| 789 | if (!loadKdTree)
|
---|
[1418] | 790 | {
|
---|
[1415] | 791 | //-- build new kd tree from scene geometry
|
---|
| 792 | BuildKdTree();
|
---|
| 793 | KdTreeStatistics(cout);
|
---|
| 794 | }
|
---|
| 795 | else
|
---|
| 796 | {
|
---|
| 797 | const long startTime = GetTime();
|
---|
[1418] | 798 | cout << "loading kd tree file " << internkdtree << " ... ";
|
---|
[1415] | 799 |
|
---|
[1418] | 800 | if (!LoadKdTree(internkdtree))
|
---|
[1415] | 801 | {
|
---|
[1418] | 802 | cout << "error loading kd tree with filename " << internkdtree << ", rebuilding it instead ..." << endl;
|
---|
| 803 |
|
---|
| 804 | BuildKdTree();
|
---|
| 805 | KdTreeStatistics(cout);
|
---|
[1415] | 806 | }
|
---|
[1416] | 807 |
|
---|
[1415] | 808 | cout << "finished in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
| 809 |
|
---|
| 810 | if (0)
|
---|
| 811 | {
|
---|
| 812 | Exporter *exporter = Exporter::GetExporter("dummykd.x3d");
|
---|
| 813 |
|
---|
| 814 | if (exporter)
|
---|
| 815 | {
|
---|
| 816 | exporter->ExportKdTree(*mKdTree, true);
|
---|
| 817 | delete exporter;
|
---|
| 818 | }
|
---|
| 819 | }
|
---|
| 820 | }
|
---|
| 821 |
|
---|
[1221] | 822 | switch (mRayCastMethod) // use intel ray tracing
|
---|
| 823 | {
|
---|
| 824 | case INTEL_RAYCASTER:
|
---|
[1251] | 825 | #ifdef GTP_INTERNAL
|
---|
[1344] | 826 | cout<<"Ray Cast file: " << externKdTree << endl;
|
---|
[1272] | 827 | return mlrtaLoadAS(externKdTree.c_str());
|
---|
[1232] | 828 | #endif
|
---|
[1221] | 829 | case INTERNAL_RAYCASTER:
|
---|
| 830 | default:
|
---|
| 831 | break;
|
---|
| 832 | }
|
---|
| 833 |
|
---|
| 834 | return true;
|
---|
[1020] | 835 | }
|
---|
[1221] | 836 |
|
---|
[1251] | 837 |
|
---|
| 838 | int Preprocessor::CastIntelDoubleRay(
|
---|
| 839 | const Vector3 &viewPoint,
|
---|
| 840 | const Vector3 &direction,
|
---|
| 841 | const float probability,
|
---|
| 842 | VssRayContainer &vssRays,
|
---|
| 843 | const AxisAlignedBox3 &box
|
---|
| 844 | )
|
---|
| 845 | {
|
---|
[1294] | 846 | #ifdef GTP_INTERNAL
|
---|
[1344] | 847 | //cout << "intel ray" << endl;
|
---|
[1251] | 848 | VssRay *vssRay = NULL;
|
---|
| 849 | int hits = 0;
|
---|
[1293] | 850 | int hittriangle;
|
---|
[1251] | 851 | Vector3 pointA, pointB;
|
---|
[1292] | 852 | Vector3 normalA, normalB;
|
---|
| 853 | Intersectable *objectA = NULL, *objectB = NULL;
|
---|
| 854 | float dist;
|
---|
| 855 | double normal[3];
|
---|
[1294] | 856 |
|
---|
[1292] | 857 | hittriangle = mlrtaIntersectAS(&viewPoint.x,
|
---|
[1344] | 858 | &direction.x,
|
---|
| 859 | normal,
|
---|
| 860 | dist);
|
---|
[1294] | 861 |
|
---|
[1344] | 862 | if (hittriangle != -1 ) {
|
---|
| 863 | if (hittriangle >= mFaceParents.size())
|
---|
| 864 | cerr<<"Warning: triangle index out of range! "<<hittriangle<<endl;
|
---|
| 865 | else {
|
---|
| 866 | objectA = mFaceParents[hittriangle].mObject;
|
---|
| 867 | normalA = Vector3(normal[0], normal[1], normal[2]);
|
---|
| 868 | // Get the normal of that face
|
---|
| 869 | // Mesh *mesh = ((MeshInstance *)objectA)->GetMesh();
|
---|
| 870 | // normalA = mesh->GetFacePlane(mFaceParents[forward_hit_triangles[i]].mFaceIndex).mNormal;
|
---|
| 871 | //-rays[index+i].mDirection; // $$ temporary
|
---|
| 872 | pointA = viewPoint + direction*dist;
|
---|
| 873 | }
|
---|
[1292] | 874 | }
|
---|
[1251] | 875 |
|
---|
[1344] | 876 |
|
---|
[1292] | 877 | Vector3 dir = -direction;
|
---|
| 878 | hittriangle = mlrtaIntersectAS(&viewPoint.x,
|
---|
[1344] | 879 | &dir.x,
|
---|
| 880 | normal,
|
---|
| 881 | dist);
|
---|
[1293] | 882 |
|
---|
[1344] | 883 | if (hittriangle != -1 ) {
|
---|
| 884 | if (hittriangle >= mFaceParents.size())
|
---|
| 885 | cerr<<"Warning: triangle index out of range! "<<hittriangle<<endl;
|
---|
| 886 | else {
|
---|
| 887 | objectB = mFaceParents[hittriangle].mObject;
|
---|
| 888 | normalB = Vector3(normal[0], normal[1], normal[2]);
|
---|
| 889 | // Get the normal of that face
|
---|
| 890 | // Mesh *mesh = ((MeshInstance *)objectB)->GetMesh();
|
---|
| 891 | // normalA = mesh->GetFacePlane(mFaceParents[forward_hit_triangles[i]].mFaceIndex).mNormal;
|
---|
| 892 | //-rays[index+i].mDirection; // $$ temporary
|
---|
| 893 | pointB = viewPoint + dir * dist;
|
---|
| 894 | }
|
---|
[1251] | 895 | }
|
---|
[1279] | 896 |
|
---|
[1292] | 897 | return ProcessRay(viewPoint,
|
---|
[1344] | 898 | direction,
|
---|
| 899 | objectA, pointA, normalA,
|
---|
| 900 | objectB, pointB, normalB,
|
---|
| 901 | probability,
|
---|
| 902 | vssRays,
|
---|
| 903 | box
|
---|
| 904 | );
|
---|
[1294] | 905 | #else
|
---|
| 906 | return -1;
|
---|
| 907 | #endif
|
---|
[1221] | 908 | }
|
---|
[1251] | 909 |
|
---|
| 910 |
|
---|
| 911 | Intersectable *Preprocessor::CastIntelSingleRay(const Vector3 &viewPoint,
|
---|
| 912 | const Vector3 &direction,
|
---|
| 913 | //const float probability,
|
---|
| 914 | Vector3 &tPoint,
|
---|
| 915 | const AxisAlignedBox3 &box
|
---|
| 916 | )
|
---|
| 917 | {
|
---|
| 918 | AxisAlignedBox3 sbox = box;
|
---|
| 919 | sbox.Enlarge(Vector3(-Limits::Small));
|
---|
| 920 |
|
---|
| 921 | if (!sbox.IsInside(viewPoint))
|
---|
| 922 | return 0;
|
---|
| 923 |
|
---|
[1294] | 924 | #ifdef GTP_INTERNAL
|
---|
[1251] | 925 | float pforg[3];
|
---|
| 926 | float pfdir[3];
|
---|
[1272] | 927 | double pfnorm[3];
|
---|
[1251] | 928 |
|
---|
| 929 | pforg[0] = viewPoint[0]; pforg[1] = viewPoint[1]; pforg[2] = viewPoint[2];
|
---|
| 930 | pfdir[0] = direction[0]; pfdir[1] = direction[1]; pfdir[2] = direction[2];
|
---|
| 931 |
|
---|
[1294] | 932 | float dist;
|
---|
[1251] | 933 | const int hittriangle = mlrtaIntersectAS(pforg, pfdir, pfnorm, dist);
|
---|
| 934 |
|
---|
| 935 | if (hittriangle == -1)
|
---|
[1292] | 936 | {
|
---|
[1251] | 937 | static Ray ray;
|
---|
| 938 | SetupRay(ray, viewPoint, direction);
|
---|
[1292] | 939 |
|
---|
[1251] | 940 | float tmin = 0, tmax;
|
---|
| 941 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
[1292] | 942 | {
|
---|
[1251] | 943 | tPoint = ray.Extrap(tmax);
|
---|
[1292] | 944 | }
|
---|
| 945 |
|
---|
[1251] | 946 | return NULL;
|
---|
[1292] | 947 | }
|
---|
| 948 | else {
|
---|
| 949 | if (hittriangle >= mFaceParents.size()) {
|
---|
[1344] | 950 | cerr<<"Warning: triangle index out of range! "<<hittriangle<<endl;
|
---|
[1292] | 951 | return NULL;
|
---|
| 952 | }
|
---|
| 953 | else {
|
---|
| 954 |
|
---|
[1251] | 955 | tPoint[0] = pforg[0] + pfdir[0] * dist;
|
---|
| 956 | tPoint[1] = pforg[1] + pfdir[1] * dist;
|
---|
| 957 | tPoint[2] = pforg[2] + pfdir[2] * dist;
|
---|
[1292] | 958 |
|
---|
[1281] | 959 | return mFaceParents[hittriangle].mObject;
|
---|
[1292] | 960 | }
|
---|
[1251] | 961 | }
|
---|
[1294] | 962 |
|
---|
| 963 | #else
|
---|
| 964 | const int hittriangle = -1;
|
---|
| 965 | return NULL;
|
---|
| 966 | #endif
|
---|
| 967 |
|
---|
[1251] | 968 | }
|
---|
| 969 |
|
---|
| 970 |
|
---|
| 971 | int Preprocessor::CastInternalRay(
|
---|
| 972 | const Vector3 &viewPoint,
|
---|
| 973 | const Vector3 &direction,
|
---|
| 974 | const float probability,
|
---|
| 975 | VssRayContainer &vssRays,
|
---|
| 976 | const AxisAlignedBox3 &box
|
---|
| 977 | )
|
---|
| 978 | {
|
---|
[1359] | 979 | //cout << "internal ray" << endl;
|
---|
[1272] | 980 | int hits = 0;
|
---|
| 981 | static Ray ray;
|
---|
| 982 | Intersectable *objectA, *objectB;
|
---|
| 983 | Vector3 pointA, pointB;
|
---|
[1251] | 984 |
|
---|
[1272] | 985 | // AxisAlignedBox3 box = Union(mKdTree->GetBox(), mViewCellsManager->GetViewSpaceBox());
|
---|
| 986 | AxisAlignedBox3 sbox = box;
|
---|
| 987 | sbox.Enlarge(Vector3(-Limits::Small));
|
---|
| 988 | if (!sbox.IsInside(viewPoint))
|
---|
| 989 | return 0;
|
---|
[1251] | 990 |
|
---|
[1272] | 991 | SetupRay(ray, viewPoint, direction);
|
---|
| 992 | ray.mFlags &= ~Ray::CULL_BACKFACES;
|
---|
[1251] | 993 |
|
---|
[1272] | 994 | // cast ray to KD tree to find intersection with other objects
|
---|
| 995 | float bsize = Magnitude(box.Size());
|
---|
| 996 |
|
---|
| 997 |
|
---|
| 998 | if (mKdTree->CastRay(ray)) {
|
---|
| 999 | objectA = ray.intersections[0].mObject;
|
---|
| 1000 | pointA = ray.Extrap(ray.intersections[0].mT);
|
---|
| 1001 | if (mDetectEmptyViewSpace)
|
---|
| 1002 | if (DotProd(ray.intersections[0].mNormal, direction) >= 0) {
|
---|
| 1003 | // discard the sample
|
---|
| 1004 | return 0;
|
---|
| 1005 | }
|
---|
| 1006 |
|
---|
| 1007 | } else {
|
---|
| 1008 | objectA = NULL;
|
---|
| 1009 | // compute intersection with the scene bounding box
|
---|
| 1010 | float tmin, tmax;
|
---|
| 1011 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
| 1012 | pointA = ray.Extrap(tmax);
|
---|
[1251] | 1013 | else
|
---|
[1272] | 1014 | return 0;
|
---|
| 1015 | }
|
---|
[1251] | 1016 |
|
---|
[1272] | 1017 | SetupRay(ray, viewPoint, -direction);
|
---|
| 1018 | ray.mFlags &= ~Ray::CULL_BACKFACES;
|
---|
| 1019 |
|
---|
| 1020 | if (mKdTree->CastRay(ray)) {
|
---|
| 1021 | objectB = ray.intersections[0].mObject;
|
---|
| 1022 | pointB = ray.Extrap(ray.intersections[0].mT);
|
---|
| 1023 | if (mDetectEmptyViewSpace)
|
---|
| 1024 | if (DotProd(ray.intersections[0].mNormal, direction) <= 0) {
|
---|
| 1025 | // discard the sample
|
---|
| 1026 | return 0;
|
---|
| 1027 | }
|
---|
| 1028 | } else {
|
---|
| 1029 | objectB = NULL;
|
---|
| 1030 | float tmin, tmax;
|
---|
| 1031 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
| 1032 | pointB = ray.Extrap(tmax);
|
---|
[1251] | 1033 | else
|
---|
[1272] | 1034 | return 0;
|
---|
| 1035 | }
|
---|
[1251] | 1036 |
|
---|
| 1037 |
|
---|
[1272] | 1038 | VssRay *vssRay = NULL;
|
---|
| 1039 | bool validSample = (objectA != objectB);
|
---|
| 1040 | if (validSample) {
|
---|
| 1041 | if (objectA) {
|
---|
| 1042 | vssRay = new VssRay(pointB,
|
---|
| 1043 | pointA,
|
---|
| 1044 | objectB,
|
---|
| 1045 | objectA,
|
---|
| 1046 | mPass,
|
---|
| 1047 | probability
|
---|
| 1048 | );
|
---|
| 1049 | vssRays.push_back(vssRay);
|
---|
[1344] | 1050 | //cout << "ray: " << *vssRay << endl;
|
---|
[1272] | 1051 | hits ++;
|
---|
[1251] | 1052 | }
|
---|
| 1053 |
|
---|
[1272] | 1054 | if (objectB) {
|
---|
| 1055 | vssRay = new VssRay(pointA,
|
---|
| 1056 | pointB,
|
---|
| 1057 | objectA,
|
---|
| 1058 | objectB,
|
---|
| 1059 | mPass,
|
---|
| 1060 | probability
|
---|
| 1061 | );
|
---|
| 1062 | vssRays.push_back(vssRay);
|
---|
[1344] | 1063 | //cout << "ray: " << *vssRay << endl;
|
---|
[1272] | 1064 | hits ++;
|
---|
[1251] | 1065 | }
|
---|
[1272] | 1066 | }
|
---|
| 1067 |
|
---|
| 1068 | return hits;
|
---|
[1251] | 1069 | }
|
---|
| 1070 |
|
---|
| 1071 |
|
---|
[1281] | 1072 | int
|
---|
| 1073 | Preprocessor::ProcessRay(
|
---|
[1283] | 1074 | const Vector3 &viewPoint,
|
---|
| 1075 | const Vector3 &direction,
|
---|
[1281] | 1076 | Intersectable *objectA,
|
---|
| 1077 | Vector3 &pointA,
|
---|
[1283] | 1078 | const Vector3 &normalA,
|
---|
[1281] | 1079 | Intersectable *objectB,
|
---|
| 1080 | Vector3 &pointB,
|
---|
[1283] | 1081 | const Vector3 &normalB,
|
---|
[1281] | 1082 | const float probability,
|
---|
| 1083 | VssRayContainer &vssRays,
|
---|
| 1084 | const AxisAlignedBox3 &box
|
---|
| 1085 | )
|
---|
| 1086 | {
|
---|
| 1087 | int hits=0;
|
---|
[1292] | 1088 | #if DEBUG_RAYCAST
|
---|
| 1089 | Debug<<"PR ";
|
---|
| 1090 | #endif
|
---|
[1281] | 1091 | if (objectA == NULL && objectB == NULL)
|
---|
| 1092 | return 0;
|
---|
[1292] | 1093 |
|
---|
[1281] | 1094 | AxisAlignedBox3 sbox = box;
|
---|
| 1095 | sbox.Enlarge(Vector3(-Limits::Small));
|
---|
| 1096 |
|
---|
| 1097 | if (!sbox.IsInside(viewPoint))
|
---|
| 1098 | return 0;
|
---|
| 1099 |
|
---|
| 1100 | if (objectA == NULL) {
|
---|
| 1101 | // compute intersection with the scene bounding box
|
---|
| 1102 | static Ray ray;
|
---|
| 1103 | SetupRay(ray, viewPoint, direction);
|
---|
| 1104 |
|
---|
| 1105 | float tmin, tmax;
|
---|
| 1106 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
| 1107 | pointA = ray.Extrap(tmax);
|
---|
| 1108 | else
|
---|
| 1109 | return 0;
|
---|
| 1110 | } else {
|
---|
| 1111 | if (mDetectEmptyViewSpace)
|
---|
| 1112 | if (DotProd(normalA, direction) >= 0) {
|
---|
| 1113 | // discard the sample
|
---|
| 1114 | return 0;
|
---|
| 1115 | }
|
---|
| 1116 | }
|
---|
| 1117 |
|
---|
| 1118 | if (objectB == NULL) {
|
---|
| 1119 | // compute intersection with the scene bounding box
|
---|
| 1120 | static Ray ray;
|
---|
| 1121 | SetupRay(ray, viewPoint, -direction);
|
---|
| 1122 |
|
---|
| 1123 | float tmin, tmax;
|
---|
| 1124 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
| 1125 | pointB = ray.Extrap(tmax);
|
---|
| 1126 | else
|
---|
| 1127 | return 0;
|
---|
| 1128 | } else {
|
---|
| 1129 | if (mDetectEmptyViewSpace)
|
---|
| 1130 | if (DotProd(normalB, direction) <= 0) {
|
---|
| 1131 | // discard the sample
|
---|
| 1132 | return 0;
|
---|
| 1133 | }
|
---|
| 1134 | }
|
---|
| 1135 |
|
---|
| 1136 | VssRay *vssRay = NULL;
|
---|
| 1137 | bool validSample = (objectA != objectB);
|
---|
| 1138 | if (validSample) {
|
---|
| 1139 | if (objectA) {
|
---|
| 1140 | vssRay = new VssRay(pointB,
|
---|
| 1141 | pointA,
|
---|
| 1142 | objectB,
|
---|
| 1143 | objectA,
|
---|
| 1144 | mPass,
|
---|
| 1145 | probability
|
---|
| 1146 | );
|
---|
| 1147 | vssRays.push_back(vssRay);
|
---|
[1344] | 1148 | //cout << "ray: " << *vssRay << endl;
|
---|
[1281] | 1149 | hits ++;
|
---|
| 1150 | }
|
---|
| 1151 |
|
---|
| 1152 | if (objectB) {
|
---|
| 1153 | vssRay = new VssRay(pointA,
|
---|
| 1154 | pointB,
|
---|
| 1155 | objectA,
|
---|
| 1156 | objectB,
|
---|
| 1157 | mPass,
|
---|
| 1158 | probability
|
---|
| 1159 | );
|
---|
| 1160 | vssRays.push_back(vssRay);
|
---|
[1344] | 1161 | //cout << "ray: " << *vssRay << endl;
|
---|
[1281] | 1162 | hits ++;
|
---|
| 1163 | }
|
---|
| 1164 | }
|
---|
[1292] | 1165 |
|
---|
| 1166 |
|
---|
[1281] | 1167 | return hits;
|
---|
| 1168 | }
|
---|
| 1169 |
|
---|
| 1170 | void
|
---|
| 1171 | Preprocessor::CastRays16(const int index,
|
---|
| 1172 | SimpleRayContainer &rays,
|
---|
| 1173 | VssRayContainer &vssRays,
|
---|
| 1174 | const AxisAlignedBox3 &sbox)
|
---|
| 1175 | {
|
---|
| 1176 | int i;
|
---|
[1344] | 1177 | const int num = 16;
|
---|
[1292] | 1178 |
|
---|
| 1179 | #if DEBUG_RAYCAST
|
---|
| 1180 | Debug<<"C16 "<<flush;
|
---|
| 1181 | #endif
|
---|
[1281] | 1182 | if (mRayCastMethod == INTEL_RAYCASTER) {
|
---|
| 1183 | #ifdef GTP_INTERNAL
|
---|
| 1184 |
|
---|
| 1185 | int forward_hit_triangles[16];
|
---|
| 1186 | float forward_dist[16];
|
---|
| 1187 |
|
---|
| 1188 | int backward_hit_triangles[16];
|
---|
| 1189 | float backward_dist[16];
|
---|
[1292] | 1190 |
|
---|
| 1191 |
|
---|
[1281] | 1192 | Vector3 min = sbox.Min();
|
---|
| 1193 | Vector3 max = sbox.Max();
|
---|
[1344] | 1194 |
|
---|
[1281] | 1195 | for (i=0; i < num; i++) {
|
---|
| 1196 | mlrtaStoreRayAS16(&rays[index + i].mOrigin.x,
|
---|
| 1197 | &rays[index + i].mDirection.x,
|
---|
| 1198 | i);
|
---|
| 1199 | }
|
---|
| 1200 |
|
---|
| 1201 | mlrtaTraverseGroupAS16(&min.x,
|
---|
| 1202 | &max.x,
|
---|
| 1203 | forward_hit_triangles,
|
---|
| 1204 | forward_dist);
|
---|
| 1205 |
|
---|
| 1206 | for (i=0; i < num; i++) {
|
---|
[1292] | 1207 | Vector3 dir = -rays[index + i].mDirection;
|
---|
[1281] | 1208 | mlrtaStoreRayAS16(&rays[index+i].mOrigin.x,
|
---|
| 1209 | &dir.x,
|
---|
| 1210 | i);
|
---|
| 1211 | }
|
---|
| 1212 |
|
---|
| 1213 | mlrtaTraverseGroupAS16(&min.x,
|
---|
| 1214 | &max.x,
|
---|
| 1215 | backward_hit_triangles,
|
---|
| 1216 | backward_dist);
|
---|
| 1217 |
|
---|
| 1218 |
|
---|
| 1219 | for (i=0; i < num; i++) {
|
---|
| 1220 | Intersectable *objectA = NULL, *objectB = NULL;
|
---|
| 1221 | Vector3 pointA, pointB;
|
---|
| 1222 | Vector3 normalA, normalB;
|
---|
[1292] | 1223 |
|
---|
[1344] | 1224 | if (forward_hit_triangles[i] != -1 ) {
|
---|
[1292] | 1225 | if (forward_hit_triangles[i] >= mFaceParents.size())
|
---|
[1344] | 1226 | cerr<<"Warning: triangle index out of range! "<<forward_hit_triangles[i]<<endl;
|
---|
| 1227 | else {
|
---|
[1292] | 1228 | objectA = mFaceParents[forward_hit_triangles[i]].mObject;
|
---|
| 1229 | // Get the normal of that face
|
---|
[1344] | 1230 | normalA = objectA->GetNormal(mFaceParents[forward_hit_triangles[i]].mFaceIndex);
|
---|
[1292] | 1231 | //-rays[index+i].mDirection; // $$ temporary
|
---|
| 1232 | pointA = rays[index+i].Extrap(forward_dist[i]);
|
---|
| 1233 | }
|
---|
[1281] | 1234 | }
|
---|
[1344] | 1235 |
|
---|
[1281] | 1236 | if (backward_hit_triangles[i]!=-1) {
|
---|
[1292] | 1237 | if (backward_hit_triangles[i] >= mFaceParents.size())
|
---|
[1344] | 1238 | cerr<<"Warning: triangle index out of range! "<<backward_hit_triangles[i]<<endl;
|
---|
| 1239 | else {
|
---|
[1292] | 1240 | objectB = mFaceParents[backward_hit_triangles[i]].mObject;
|
---|
[1344] | 1241 | normalB = objectB->GetNormal(mFaceParents[forward_hit_triangles[i]].mFaceIndex);
|
---|
[1292] | 1242 |
|
---|
[1344] | 1243 | // normalB = rays[index+i].mDirection; // $$ temporary
|
---|
[1292] | 1244 | pointB = rays[index+i].Extrap(-backward_dist[i]);
|
---|
| 1245 | }
|
---|
| 1246 | }
|
---|
[1344] | 1247 |
|
---|
[1281] | 1248 | ProcessRay(rays[index+i].mOrigin,
|
---|
| 1249 | rays[index+i].mDirection,
|
---|
| 1250 | objectA, pointA, normalA,
|
---|
| 1251 | objectB, pointB, normalB,
|
---|
| 1252 | rays[index+i].mPdf,
|
---|
| 1253 | vssRays,
|
---|
| 1254 | sbox
|
---|
| 1255 | );
|
---|
| 1256 | }
|
---|
[1344] | 1257 |
|
---|
[1281] | 1258 | #endif
|
---|
[1292] | 1259 |
|
---|
[1281] | 1260 | } else {
|
---|
| 1261 |
|
---|
| 1262 | for (i=index; i < index + num; i++) {
|
---|
| 1263 | CastRay(rays[i].mOrigin,
|
---|
| 1264 | rays[i].mDirection,
|
---|
| 1265 | rays[i].mPdf,
|
---|
| 1266 | vssRays,
|
---|
| 1267 | sbox);
|
---|
| 1268 | }
|
---|
| 1269 | }
|
---|
[1292] | 1270 | #if DEBUG_RAYCAST
|
---|
| 1271 | Debug<<"C16F\n"<<flush;
|
---|
| 1272 | #endif
|
---|
[1281] | 1273 | }
|
---|
| 1274 |
|
---|
| 1275 | void
|
---|
| 1276 | Preprocessor::CastRays(
|
---|
| 1277 | SimpleRayContainer &rays,
|
---|
| 1278 | VssRayContainer &vssRays
|
---|
| 1279 | )
|
---|
| 1280 | {
|
---|
| 1281 | long t1 = GetTime();
|
---|
[1344] | 1282 |
|
---|
| 1283 | for (int i = 0; i < (int)rays.size(); ) {
|
---|
| 1284 | // method only available for intel raycaster yet
|
---|
| 1285 | if (i + 16 < (int)rays.size()) {
|
---|
| 1286 |
|
---|
[1281] | 1287 | CastRays16(
|
---|
| 1288 | i,
|
---|
| 1289 | rays,
|
---|
| 1290 | vssRays,
|
---|
| 1291 | mViewCellsManager->GetViewSpaceBox());
|
---|
| 1292 | i += 16;
|
---|
| 1293 | } else {
|
---|
| 1294 | CastRay(rays[i].mOrigin,
|
---|
| 1295 | rays[i].mDirection,
|
---|
| 1296 | rays[i].mPdf,
|
---|
| 1297 | vssRays,
|
---|
| 1298 | mViewCellsManager->GetViewSpaceBox());
|
---|
| 1299 | i++;
|
---|
| 1300 | }
|
---|
| 1301 | if (i % 10000 == 0)
|
---|
| 1302 | cout<<".";
|
---|
| 1303 | }
|
---|
| 1304 |
|
---|
| 1305 | long t2 = GetTime();
|
---|
| 1306 | cout<<2*rays.size()/(1e3*TimeDiff(t1, t2))<<"M rays/s"<<endl;
|
---|
| 1307 | }
|
---|
| 1308 |
|
---|
[1292] | 1309 | Intersectable *
|
---|
| 1310 | Preprocessor::CastSimpleRay(
|
---|
| 1311 | const Vector3 &viewPoint,
|
---|
| 1312 | const Vector3 &direction,
|
---|
| 1313 | const AxisAlignedBox3 &box,
|
---|
| 1314 | Vector3 &point,
|
---|
| 1315 | Vector3 &normal
|
---|
| 1316 | )
|
---|
| 1317 | {
|
---|
| 1318 | Intersectable *result = NULL;
|
---|
| 1319 | switch (mRayCastMethod)
|
---|
| 1320 | {
|
---|
| 1321 | case INTEL_RAYCASTER: {
|
---|
[1294] | 1322 |
|
---|
[1292] | 1323 | int hittriangle;
|
---|
[1294] | 1324 |
|
---|
| 1325 | #ifdef GTP_INTERNAL
|
---|
| 1326 | float dist;
|
---|
[1292] | 1327 | double n[3];
|
---|
[1293] | 1328 |
|
---|
[1292] | 1329 | hittriangle = mlrtaIntersectAS(&viewPoint.x,
|
---|
| 1330 | &direction.x,
|
---|
| 1331 | n,
|
---|
| 1332 | dist);
|
---|
[1293] | 1333 |
|
---|
[1294] | 1334 | if (hittriangle !=-1 ) {
|
---|
[1292] | 1335 | if (hittriangle >= mFaceParents.size())
|
---|
[1344] | 1336 | cerr<<"Warning: triangle index out of range! "<<hittriangle<<endl;
|
---|
[1292] | 1337 | else {
|
---|
| 1338 | result = mFaceParents[hittriangle].mObject;
|
---|
| 1339 | normal = Vector3(n[0], n[1], n[2]);
|
---|
| 1340 | point = viewPoint + direction*dist;
|
---|
| 1341 | }
|
---|
| 1342 | }
|
---|
[1294] | 1343 | #else
|
---|
[1344] | 1344 | hittriangle = -1;
|
---|
[1294] | 1345 | #endif
|
---|
| 1346 |
|
---|
[1292] | 1347 | break;
|
---|
| 1348 | }
|
---|
| 1349 | case INTERNAL_RAYCASTER:
|
---|
| 1350 | default: {
|
---|
| 1351 | static Ray ray;
|
---|
| 1352 |
|
---|
| 1353 | ray.intersections.clear();
|
---|
| 1354 | // do not store anything else then intersections at the ray
|
---|
| 1355 | ray.Init(viewPoint, direction, Ray::LOCAL_RAY);
|
---|
| 1356 |
|
---|
| 1357 | ray.mFlags &= ~Ray::CULL_BACKFACES;
|
---|
| 1358 |
|
---|
| 1359 | if (mKdTree->CastRay(ray)) {
|
---|
| 1360 | result = ray.intersections[0].mObject;
|
---|
| 1361 | point = ray.Extrap(ray.intersections[0].mT);
|
---|
| 1362 | normal = ray.intersections[0].mNormal;
|
---|
| 1363 | }
|
---|
| 1364 | break;
|
---|
| 1365 | }
|
---|
| 1366 | }
|
---|
| 1367 | return result;
|
---|
| 1368 | }
|
---|
[1286] | 1369 |
|
---|
[1292] | 1370 | int
|
---|
| 1371 | Preprocessor::CastRay(
|
---|
| 1372 | const Vector3 &viewPoint,
|
---|
| 1373 | const Vector3 &direction,
|
---|
| 1374 | const float probability,
|
---|
| 1375 | VssRayContainer &vssRays,
|
---|
| 1376 | const AxisAlignedBox3 &box
|
---|
| 1377 | )
|
---|
[1251] | 1378 | {
|
---|
[1292] | 1379 | #if DEBUG_RAYCAST
|
---|
| 1380 | Debug<<"CR "<<flush;
|
---|
| 1381 | #endif
|
---|
| 1382 | switch (mRayCastMethod)
|
---|
[1251] | 1383 | {
|
---|
| 1384 | case INTEL_RAYCASTER:
|
---|
| 1385 | return CastIntelDoubleRay(viewPoint, direction, probability, vssRays, box);
|
---|
| 1386 | case INTERNAL_RAYCASTER:
|
---|
| 1387 | default:
|
---|
| 1388 | return CastInternalRay(viewPoint, direction, probability, vssRays, box);
|
---|
| 1389 | }
|
---|
[1381] | 1390 | #if DEBUG_RAYCAST
|
---|
[1292] | 1391 | Debug<<"CRF "<<flush;
|
---|
| 1392 | #endif
|
---|
[1251] | 1393 | }
|
---|
| 1394 |
|
---|
| 1395 |
|
---|
[1381] | 1396 | bool Preprocessor::GenerateRayBundle(SimpleRayContainer &rayBundle,
|
---|
| 1397 | const SimpleRay &mainRay,
|
---|
| 1398 | const int number,
|
---|
| 1399 | const int pertubType) const
|
---|
| 1400 | {
|
---|
| 1401 | rayBundle.push_back(mainRay);
|
---|
| 1402 |
|
---|
| 1403 | const float pertubOrigin = 10.0f;
|
---|
| 1404 | const float pertubDir = 0.0f;
|
---|
| 1405 |
|
---|
| 1406 | for (int i = 0; i < number - 1; ++ i)
|
---|
| 1407 | {
|
---|
| 1408 | Vector3 pertub;
|
---|
| 1409 |
|
---|
| 1410 | pertub.x = RandomValue(0.0f, pertubDir);
|
---|
| 1411 | pertub.y = RandomValue(0.0f, pertubDir);
|
---|
| 1412 | pertub.z = RandomValue(0.0f, pertubDir);
|
---|
| 1413 | const Vector3 newDir = mainRay.mDirection + pertub;
|
---|
| 1414 | //const Vector3 newDir = mainRay.mDirection;
|
---|
| 1415 |
|
---|
| 1416 | pertub.x = RandomValue(0.0f, pertubOrigin);
|
---|
| 1417 | pertub.y = RandomValue(0.0f, pertubOrigin);
|
---|
| 1418 | pertub.z = RandomValue(0.0f, pertubOrigin);
|
---|
| 1419 | const Vector3 newOrigin = mainRay.mOrigin + pertub;
|
---|
| 1420 | //const Vector3 newOrigin = mainRay.mOrigin;
|
---|
| 1421 |
|
---|
| 1422 | rayBundle.push_back(SimpleRay(newOrigin, newDir, 0));
|
---|
| 1423 | }
|
---|
| 1424 |
|
---|
| 1425 | return true;
|
---|
| 1426 | }
|
---|
| 1427 |
|
---|
| 1428 |
|
---|
[1251] | 1429 | void Preprocessor::SetupRay(Ray &ray,
|
---|
| 1430 | const Vector3 &point,
|
---|
| 1431 | const Vector3 &direction
|
---|
| 1432 | )
|
---|
| 1433 | {
|
---|
| 1434 | ray.Clear();
|
---|
| 1435 | // do not store anything else then intersections at the ray
|
---|
| 1436 | ray.Init(point, direction, Ray::LOCAL_RAY);
|
---|
| 1437 | }
|
---|
| 1438 |
|
---|
| 1439 | }
|
---|