[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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[1264] | 133 | mVspTree(NULL),
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[1279] | 134 | mHierarchyManager(NULL),
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[1002] | 135 | mViewCellsManager(NULL),
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[1251] | 136 | mRenderSimulator(NULL),
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[1279] | 137 | mPass(0),
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[1328] | 138 | mRayCastMethod(0),
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| 139 | mSceneGraph(NULL)
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[308] | 140 | {
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[1004] | 141 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlRenderer", mUseGlRenderer);
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[538] | 142 |
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[840] | 143 | // renderer will be constructed when the scene graph and viewcell manager will be known
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| 144 | renderer = NULL;
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[496] | 145 |
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[1004] | 146 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlDebugger", mUseGlDebugger);
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[1379] | 147 | Environment::GetSingleton()->GetBoolValue("Preprocessor.loadMeshes", mLoadMeshes);
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[1004] | 148 | Environment::GetSingleton()->GetBoolValue("Preprocessor.quitOnFinish", mQuitOnFinish);
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| 149 | Environment::GetSingleton()->GetBoolValue("Preprocessor.computeVisibility", mComputeVisibility);
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| 150 | Environment::GetSingleton()->GetBoolValue("Preprocessor.detectEmptyViewSpace", mDetectEmptyViewSpace);
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| 151 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportVisibility", mExportVisibility );
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[1221] | 152 | Environment::GetSingleton()->GetIntValue("Preprocessor.rayCastMethod", mRayCastMethod);
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[1291] | 153 |
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[871] | 154 | char buffer[256];
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[1004] | 155 | Environment::GetSingleton()->GetStringValue("Preprocessor.visibilityFile", buffer);
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[1415] | 156 |
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[871] | 157 | mVisibilityFileName = buffer;
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[1004] | 158 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilityFilter", mApplyVisibilityFilter );
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| 159 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilitySpatialFilter",
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[904] | 160 | mApplyVisibilitySpatialFilter );
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[1004] | 161 | Environment::GetSingleton()->GetFloatValue("Preprocessor.visibilityFilterWidth", mVisibilityFilterWidth);
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[878] | 162 |
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[840] | 163 | Debug << "detect empty view space=" << mDetectEmptyViewSpace << endl;
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[1379] | 164 | Debug << "load meshes: " << mLoadMeshes << endl;
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[1344] | 165 |
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| 166 | if (mRayCastMethod == 0)
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| 167 | cout << "ray cast method: internal" << endl;
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| 168 | else
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| 169 | cout << "ray cast method: intel" << endl;
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[372] | 170 | }
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| 171 |
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| 172 |
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| 173 | Preprocessor::~Preprocessor()
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| 174 | {
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[1291] | 175 | cout << "cleaning up" << endl;
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[752] | 176 |
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[1291] | 177 | cout << "Deleting view cells manager ... \n";
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| 178 | DEL_PTR(mViewCellsManager);
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| 179 | cout << "done.\n";
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[752] | 180 |
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[1291] | 181 | cout << "Deleting bsp tree ... \n";
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| 182 | DEL_PTR(mBspTree);
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| 183 | cout << "done.\n";
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[752] | 184 |
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[1291] | 185 | cout << "Deleting kd tree...\n";
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| 186 | DEL_PTR(mKdTree);
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| 187 | cout << "done.\n";
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[752] | 188 |
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[1291] | 189 | cout << "Deleting vsp tree...\n";
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| 190 | DEL_PTR(mVspTree);
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| 191 | cout << "done.\n";
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[1145] | 192 |
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[1291] | 193 | cout << "Deleting hierarchy manager...\n";
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| 194 | DEL_PTR(mHierarchyManager);
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| 195 | cout << "done.\n";
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[1002] | 196 |
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[1291] | 197 | cout << "Deleting vspbsp tree...\n";
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| 198 | DEL_PTR(mVspBspTree);
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| 199 | cout << "done.\n";
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[1002] | 200 |
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[1291] | 201 | cout << "Deleting scene graph...\n";
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| 202 | DEL_PTR(mSceneGraph);
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| 203 | cout << "done.\n";
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| 204 |
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| 205 | DEL_PTR(mRenderSimulator);
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| 206 | DEL_PTR(renderer);
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[372] | 207 | }
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| 208 |
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[387] | 209 | int
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[419] | 210 | SplitFilenames(const string str, vector<string> &filenames)
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[387] | 211 | {
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| 212 | int pos = 0;
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| 213 |
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| 214 | while(1) {
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[469] | 215 | int npos = (int)str.find(';', pos);
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[387] | 216 |
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| 217 | if (npos < 0 || npos - pos < 1)
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| 218 | break;
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| 219 | filenames.push_back(string(str, pos, npos - pos));
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| 220 | pos = npos + 1;
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| 221 | }
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| 222 |
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| 223 | filenames.push_back(string(str, pos, str.size() - pos));
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[440] | 224 | return (int)filenames.size();
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[387] | 225 | }
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| 226 |
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[750] | 227 |
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[372] | 228 | bool
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| 229 | Preprocessor::LoadScene(const string filename)
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| 230 | {
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[925] | 231 | // use leaf nodes of the original spatial hierarchy as occludees
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[508] | 232 | mSceneGraph = new SceneGraph;
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[372] | 233 |
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[508] | 234 | Parser *parser;
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[387] | 235 | vector<string> filenames;
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[1404] | 236 | const int files = SplitFilenames(filename, filenames);
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[712] | 237 | cout << "number of input files: " << files << endl;
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[387] | 238 | bool result = false;
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[1344] | 239 |
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| 240 | // root for different files
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| 241 | mSceneGraph->SetRoot(new SceneGraphNode());
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| 242 |
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[1404] | 243 | // intel ray caster can only trace triangles
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| 244 | vector<FaceParentInfo> *fi = (mRayCastMethod == Preprocessor::INTEL_RAYCASTER) ?
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| 245 | &mFaceParents : NULL;
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| 246 |
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[387] | 247 | if (files == 1) {
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| 248 |
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| 249 | if (strstr(filename.c_str(), ".x3d"))
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[749] | 250 | parser = new X3dParser;
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[387] | 251 | else
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[811] | 252 | if (strstr(filename.c_str(), ".ply") || strstr(filename.c_str(), ".plb"))
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[749] | 253 | parser = new PlyParser;
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[1221] | 254 | else if (strstr(filename.c_str(), ".obj"))
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| 255 | parser = new ObjParser;
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| 256 | else
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| 257 | parser = new UnigraphicsParser;
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[372] | 258 |
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[1328] | 259 | cout << filename << endl;
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[1404] | 260 |
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| 261 | result = parser->ParseFile(
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[1328] | 262 | filename,
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[1344] | 263 | mSceneGraph->GetRoot(),
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[1379] | 264 | mLoadMeshes,
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[1404] | 265 | fi);
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| 266 |
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[387] | 267 | delete parser;
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[372] | 268 |
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[1404] | 269 | }
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| 270 | else {
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| 271 | vector<string>::const_iterator fit, fit_end = filenames.end();
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[1344] | 272 |
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[1404] | 273 | for (fit = filenames.begin(); fit != fit_end; ++ fit)
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| 274 | {
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| 275 | const string filename = *fit;
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[1328] | 276 |
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[1404] | 277 | cout << "parsing file " << filename.c_str() << endl;
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| 278 | if (strstr(filename.c_str(), ".x3d"))
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| 279 | parser = new X3dParser;
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| 280 | else
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| 281 | parser = new UnigraphicsParser;
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| 282 |
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| 283 | SceneGraphNode *node = new SceneGraphNode();
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| 284 | const bool success = parser->ParseFile(
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| 285 | filename,
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| 286 | node,
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| 287 | mLoadMeshes,
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| 288 | fi);
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| 289 |
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| 290 | if (success)
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| 291 | {
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| 292 | mSceneGraph->GetRoot()->mChildren.push_back(node);
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| 293 | result = true; // at least one file parsed
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| 294 | }
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| 295 |
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| 296 | delete parser;
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[387] | 297 | }
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| 298 | }
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[1344] | 299 |
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[752] | 300 | if (result)
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[1344] | 301 | {
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[752] | 302 | // HACK
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[1020] | 303 | if (ADDITIONAL_GEOMETRY_HACK)
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| 304 | AddGeometry(mSceneGraph);
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[1328] | 305 |
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[1020] | 306 | mSceneGraph->AssignObjectIds();
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[1344] | 307 |
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[1020] | 308 | int intersectables, faces;
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| 309 | mSceneGraph->GetStatistics(intersectables, faces);
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[1344] | 310 |
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[1020] | 311 | cout<<filename<<" parsed successfully."<<endl;
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| 312 | cout<<"#NUM_OBJECTS (Total numner of objects)\n"<<intersectables<<endl;
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| 313 | cout<<"#NUM_FACES (Total numner of faces)\n"<<faces<<endl;
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| 314 | mSceneGraph->CollectObjects(&mObjects);
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[1328] | 315 | mSceneGraph->GetRoot()->UpdateBox();
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[1344] | 316 |
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[1020] | 317 | if (0)
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| 318 | {
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| 319 | Exporter *exporter = Exporter::GetExporter("testload.x3d");
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| 320 | if (exporter)
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| 321 | {
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| 322 | exporter->ExportGeometry(mObjects);
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| 323 | delete exporter;
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| 324 | }
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| 325 | }
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[387] | 326 | }
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[1328] | 327 |
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[492] | 328 | return result;
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[372] | 329 | }
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| 330 |
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| 331 | bool
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| 332 | Preprocessor::ExportPreprocessedData(const string filename)
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| 333 | {
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[871] | 334 |
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[931] | 335 | mViewCellsManager->ExportViewCells(filename, true, mObjects);
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[871] | 336 |
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| 337 | return true;
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[372] | 338 | }
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| 339 |
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| 340 | bool
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[871] | 341 | Preprocessor::PostProcessVisibility()
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| 342 | {
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| 343 |
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[904] | 344 | if (mApplyVisibilityFilter || mApplyVisibilitySpatialFilter) {
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[997] | 345 | cout<<"Applying visibility filter ...";
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[1002] | 346 | cout<<"filter width = " << mVisibilityFilterWidth << endl;
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[904] | 347 |
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[1002] | 348 | if (!mViewCellsManager)
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[1199] | 349 | return false;
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| 350 |
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[871] | 351 | mViewCellsManager->ApplyFilter(mKdTree,
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[904] | 352 | mApplyVisibilityFilter ? mVisibilityFilterWidth : -1.0f,
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| 353 | mApplyVisibilitySpatialFilter ? mVisibilityFilterWidth : -1.0f);
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[997] | 354 | cout << "done." << endl;
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[871] | 355 | }
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| 356 |
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| 357 | // export the preprocessed information to a file
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| 358 | if (mExportVisibility)
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| 359 | ExportPreprocessedData(mVisibilityFileName);
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| 360 |
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| 361 | return true;
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| 362 | }
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| 363 |
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| 364 |
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| 365 | bool
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[372] | 366 | Preprocessor::BuildKdTree()
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| 367 | {
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| 368 | mKdTree = new KdTree;
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[1344] | 369 |
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[372] | 370 | // add mesh instances of the scene graph to the root of the tree
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| 371 | KdLeaf *root = (KdLeaf *)mKdTree->GetRoot();
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[1344] | 372 |
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[372] | 373 | mSceneGraph->CollectObjects(&root->mObjects);
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[1344] | 374 |
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[1415] | 375 | const long startTime = GetTime();
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[1201] | 376 | cout << "building kd tree ... " << endl;
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[1344] | 377 |
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[372] | 378 | mKdTree->Construct();
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[1344] | 379 |
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[1415] | 380 | cout << "finished kd tree construction in " << TimeDiff(startTime, GetTime()) * 1e-3
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| 381 | << " secs " << endl;
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[1344] | 382 |
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[372] | 383 | return true;
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| 384 | }
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| 385 |
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[1415] | 386 |
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[372] | 387 | void
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| 388 | Preprocessor::KdTreeStatistics(ostream &s)
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| 389 | {
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| 390 | s<<mKdTree->GetStatistics();
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| 391 | }
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| 392 |
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| 393 | void
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| 394 | Preprocessor::BspTreeStatistics(ostream &s)
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| 395 | {
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| 396 | s << mBspTree->GetStatistics();
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| 397 | }
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| 398 |
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| 399 | bool
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| 400 | Preprocessor::Export( const string filename,
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[492] | 401 | const bool scene,
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| 402 | const bool kdtree,
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| 403 | const bool bsptree
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| 404 | )
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[372] | 405 | {
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| 406 | Exporter *exporter = Exporter::GetExporter(filename);
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| 407 |
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| 408 | if (exporter) {
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[1405] | 409 | if (0 && scene)
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[1328] | 410 | exporter->ExportScene(mSceneGraph->GetRoot());
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[372] | 411 |
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[1405] | 412 | if (0 && kdtree) {
|
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[372] | 413 | exporter->SetWireframe();
|
---|
| 414 | exporter->ExportKdTree(*mKdTree);
|
---|
| 415 | }
|
---|
| 416 |
|
---|
[1405] | 417 | if (0 && bsptree) {
|
---|
[372] | 418 | //exporter->SetWireframe();
|
---|
| 419 | exporter->ExportBspTree(*mBspTree);
|
---|
| 420 | }
|
---|
| 421 |
|
---|
| 422 | delete exporter;
|
---|
| 423 | return true;
|
---|
| 424 | }
|
---|
| 425 |
|
---|
| 426 | return false;
|
---|
| 427 | }
|
---|
[429] | 428 |
|
---|
[508] | 429 |
|
---|
[463] | 430 | bool Preprocessor::PrepareViewCells()
|
---|
| 431 | {
|
---|
[577] | 432 | //-- parse view cells construction method
|
---|
[1004] | 433 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", mLoadViewCells);
|
---|
[577] | 434 | char buf[100];
|
---|
| 435 |
|
---|
| 436 | if (mLoadViewCells)
|
---|
[997] | 437 | {
|
---|
[1004] | 438 | Environment::GetSingleton()->GetStringValue("ViewCells.filename", buf);
|
---|
[1264] | 439 | cout << "loading view cells from " << buf << endl;
|
---|
[1004] | 440 | mViewCellsManager = ViewCellsManager::LoadViewCells(buf, &mObjects, true);
|
---|
[577] | 441 | }
|
---|
| 442 | else
|
---|
| 443 | {
|
---|
[1288] | 444 | // parse type of view cell container
|
---|
[1004] | 445 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
[1002] | 446 | mViewCellsManager = CreateViewCellsManager(buf);
|
---|
[1112] | 447 |
|
---|
| 448 | // default view space is the extent of the scene
|
---|
| 449 | mViewCellsManager->SetViewSpaceBox(mSceneGraph->GetBox());
|
---|
[577] | 450 | }
|
---|
[1112] | 451 |
|
---|
[997] | 452 | //-- parameters for render heuristics evaluation
|
---|
[473] | 453 | float objRenderCost = 0, vcOverhead = 0, moveSpeed = 0;
|
---|
| 454 |
|
---|
[1004] | 455 | Environment::GetSingleton()->GetFloatValue("Simulation.objRenderCost",objRenderCost);
|
---|
| 456 | Environment::GetSingleton()->GetFloatValue("Simulation.vcOverhead", vcOverhead);
|
---|
| 457 | Environment::GetSingleton()->GetFloatValue("Simulation.moveSpeed", moveSpeed);
|
---|
[694] | 458 |
|
---|
[473] | 459 | mRenderSimulator =
|
---|
| 460 | new RenderSimulator(mViewCellsManager, objRenderCost, vcOverhead, moveSpeed);
|
---|
[440] | 461 |
|
---|
[480] | 462 | mViewCellsManager->SetRenderer(mRenderSimulator);
|
---|
[440] | 463 |
|
---|
[574] | 464 |
|
---|
[538] | 465 | if (mUseGlRenderer || mUseGlDebugger)
|
---|
[540] | 466 | {
|
---|
| 467 | // NOTE: render texture should be power of 2 and square
|
---|
| 468 | // renderer must be initialised
|
---|
[1145] | 469 | // $$matt
|
---|
| 470 | // renderer = new GlRendererBuffer(1024, 768, mSceneGraph, mViewCellsManager, mKdTree);
|
---|
[556] | 471 | // renderer->makeCurrent();
|
---|
[746] | 472 |
|
---|
[540] | 473 | }
|
---|
[496] | 474 |
|
---|
[463] | 475 | return true;
|
---|
[490] | 476 | }
|
---|
| 477 |
|
---|
[1292] | 478 |
|
---|
| 479 | bool
|
---|
| 480 | Preprocessor::ConstructViewCells()
|
---|
| 481 | {
|
---|
| 482 | // if not already loaded, construct view cells from file
|
---|
| 483 | if (!mLoadViewCells) {
|
---|
| 484 | mViewCellsManager->SetViewSpaceBox(mKdTree->GetBox());
|
---|
| 485 |
|
---|
| 486 | // construct view cells using it's own set of samples
|
---|
| 487 | mViewCellsManager->Construct(this);
|
---|
| 488 |
|
---|
| 489 | //-- several visualizations and statistics
|
---|
| 490 | Debug << "view cells construction finished: " << endl;
|
---|
| 491 | mViewCellsManager->PrintStatistics(Debug);
|
---|
| 492 | }
|
---|
| 493 | return true;
|
---|
| 494 | }
|
---|
[490] | 495 |
|
---|
[1294] | 496 |
|
---|
[1288] | 497 | HierarchyManager *Preprocessor::CreateHierarchyManager(const char *name)
|
---|
| 498 | {
|
---|
| 499 | HierarchyManager *hierarchyManager;
|
---|
| 500 |
|
---|
| 501 | if (strcmp(name, "osp") == 0)
|
---|
| 502 | {
|
---|
[1291] | 503 | Debug << "hierarchy manager: osp" << endl;
|
---|
[1288] | 504 | // HACK for testing if per kd evaluation works!!
|
---|
[1293] | 505 | const bool ishack = false;
|
---|
[1288] | 506 | if (ishack)
|
---|
| 507 | hierarchyManager = new HierarchyManager(mVspTree, mKdTree);
|
---|
| 508 | else
|
---|
| 509 | hierarchyManager = new HierarchyManager(mVspTree, HierarchyManager::KD_BASED_OBJ_SUBDIV);
|
---|
| 510 | }
|
---|
| 511 | else if (strcmp(name, "bvh") == 0)
|
---|
| 512 | {
|
---|
[1291] | 513 | Debug << "hierarchy manager: bvh" << endl;
|
---|
[1288] | 514 | hierarchyManager = new HierarchyManager(mVspTree, HierarchyManager::BV_BASED_OBJ_SUBDIV);
|
---|
| 515 | }
|
---|
[1291] | 516 | else // only view space partition
|
---|
| 517 | {
|
---|
| 518 | Debug << "hierarchy manager: obj" << endl;
|
---|
| 519 | hierarchyManager = new HierarchyManager(mVspTree, HierarchyManager::NO_OBJ_SUBDIV);
|
---|
| 520 | }
|
---|
[1288] | 521 |
|
---|
| 522 | return hierarchyManager;
|
---|
| 523 | }
|
---|
| 524 |
|
---|
| 525 |
|
---|
[575] | 526 | ViewCellsManager *Preprocessor::CreateViewCellsManager(const char *name)
|
---|
| 527 | {
|
---|
[1264] | 528 | ViewCellsTree *vcTree = new ViewCellsTree;
|
---|
| 529 |
|
---|
[575] | 530 | if (strcmp(name, "kdTree") == 0)
|
---|
| 531 | {
|
---|
[1264] | 532 | mViewCellsManager = new KdViewCellsManager(vcTree, mKdTree);
|
---|
[575] | 533 | }
|
---|
| 534 | else if (strcmp(name, "bspTree") == 0)
|
---|
| 535 | {
|
---|
| 536 | Debug << "view cell type: Bsp" << endl;
|
---|
| 537 |
|
---|
[577] | 538 | mBspTree = new BspTree();
|
---|
[1264] | 539 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
[575] | 540 | }
|
---|
| 541 | else if (strcmp(name, "vspBspTree") == 0)
|
---|
| 542 | {
|
---|
| 543 | Debug << "view cell type: VspBsp" << endl;
|
---|
| 544 |
|
---|
[1004] | 545 | mVspBspTree = new VspBspTree();
|
---|
[1264] | 546 | mViewCellsManager = new VspBspViewCellsManager(vcTree, mVspBspTree);
|
---|
[575] | 547 | }
|
---|
[1006] | 548 | else if (strcmp(name, "vspOspTree") == 0)
|
---|
[575] | 549 | {
|
---|
[1022] | 550 | mVspTree = new VspTree();
|
---|
[1288] | 551 | char buf[100];
|
---|
| 552 | Environment::GetSingleton()->GetStringValue("Hierarchy.type", buf);
|
---|
[1022] | 553 |
|
---|
[1288] | 554 | HierarchyManager *mHierarchyManager = CreateHierarchyManager(buf);
|
---|
[1279] | 555 | mViewCellsManager = new VspOspViewCellsManager(vcTree, mHierarchyManager);
|
---|
[575] | 556 | }
|
---|
| 557 | else if (strcmp(name, "sceneDependent") == 0)
|
---|
| 558 | {
|
---|
[1143] | 559 | Debug << "view cell type: Bsp" << endl;
|
---|
| 560 |
|
---|
[575] | 561 | //TODO
|
---|
| 562 | mBspTree = new BspTree();
|
---|
[1264] | 563 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
[575] | 564 | }
|
---|
| 565 | else
|
---|
| 566 | {
|
---|
[664] | 567 | cerr << "Wrong view cells type " << name << "!!!" << endl;
|
---|
[575] | 568 | exit(1);
|
---|
| 569 | }
|
---|
| 570 |
|
---|
| 571 | return mViewCellsManager;
|
---|
| 572 | }
|
---|
| 573 |
|
---|
| 574 |
|
---|
[491] | 575 | // use ascii format to store rays
|
---|
| 576 | #define USE_ASCII 0
|
---|
| 577 |
|
---|
| 578 |
|
---|
[1145] | 579 | static inline bool ilt(Intersectable *obj1, Intersectable *obj2)
|
---|
[490] | 580 | {
|
---|
| 581 | return obj1->mId < obj2->mId;
|
---|
| 582 | }
|
---|
| 583 |
|
---|
| 584 |
|
---|
[1414] | 585 | bool Preprocessor::LoadKdTree(const string filename)
|
---|
[1197] | 586 | {
|
---|
[1414] | 587 | mKdTree = new KdTree();
|
---|
| 588 | return mKdTree->LoadBinTree(filename.c_str(), mObjects);
|
---|
[1197] | 589 | }
|
---|
| 590 |
|
---|
[1414] | 591 |
|
---|
| 592 | bool Preprocessor::ExportKdTree(const string filename)
|
---|
[1197] | 593 | {
|
---|
[1414] | 594 | return mKdTree->ExportBinTree(filename.c_str());
|
---|
[1197] | 595 | }
|
---|
| 596 |
|
---|
| 597 |
|
---|
[490] | 598 | bool Preprocessor::LoadSamples(VssRayContainer &samples,
|
---|
| 599 | ObjectContainer &objects) const
|
---|
| 600 | {
|
---|
| 601 | std::stable_sort(objects.begin(), objects.end(), ilt);
|
---|
| 602 | char fileName[100];
|
---|
[1004] | 603 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
[490] | 604 |
|
---|
[491] | 605 | Vector3 origin, termination;
|
---|
| 606 | // HACK: needed only for lower_bound algorithm to find the
|
---|
| 607 | // intersected objects
|
---|
| 608 | MeshInstance sObj(NULL);
|
---|
| 609 | MeshInstance tObj(NULL);
|
---|
[490] | 610 |
|
---|
[491] | 611 | #if USE_ASCII
|
---|
[656] | 612 | ifstream samplesIn(fileName);
|
---|
[490] | 613 | if (!samplesIn.is_open())
|
---|
| 614 | return false;
|
---|
| 615 |
|
---|
| 616 | string buf;
|
---|
| 617 | while (!(getline(samplesIn, buf)).eof())
|
---|
| 618 | {
|
---|
[491] | 619 | sscanf(buf.c_str(), "%f %f %f %f %f %f %d %d",
|
---|
[490] | 620 | &origin.x, &origin.y, &origin.z,
|
---|
[491] | 621 | &termination.x, &termination.y, &termination.z,
|
---|
| 622 | &(sObj.mId), &(tObj.mId));
|
---|
[490] | 623 |
|
---|
[491] | 624 | Intersectable *sourceObj = NULL;
|
---|
| 625 | Intersectable *termObj = NULL;
|
---|
| 626 |
|
---|
| 627 | if (sObj.mId >= 0)
|
---|
[490] | 628 | {
|
---|
| 629 | ObjectContainer::iterator oit =
|
---|
[491] | 630 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 631 | sourceObj = *oit;
|
---|
| 632 | }
|
---|
| 633 |
|
---|
| 634 | if (tObj.mId >= 0)
|
---|
| 635 | {
|
---|
| 636 | ObjectContainer::iterator oit =
|
---|
| 637 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 638 | termObj = *oit;
|
---|
| 639 | }
|
---|
[490] | 640 |
|
---|
[491] | 641 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
| 642 | }
|
---|
| 643 | #else
|
---|
| 644 | ifstream samplesIn(fileName, ios::binary);
|
---|
| 645 | if (!samplesIn.is_open())
|
---|
| 646 | return false;
|
---|
| 647 |
|
---|
| 648 | while (1)
|
---|
| 649 | {
|
---|
| 650 | samplesIn.read(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 651 | samplesIn.read(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 652 | samplesIn.read(reinterpret_cast<char *>(&(sObj.mId)), sizeof(int));
|
---|
| 653 | samplesIn.read(reinterpret_cast<char *>(&(tObj.mId)), sizeof(int));
|
---|
| 654 |
|
---|
| 655 | if (samplesIn.eof())
|
---|
| 656 | break;
|
---|
| 657 |
|
---|
| 658 | Intersectable *sourceObj = NULL;
|
---|
| 659 | Intersectable *termObj = NULL;
|
---|
| 660 |
|
---|
| 661 | if (sObj.mId >= 0)
|
---|
| 662 | {
|
---|
| 663 | ObjectContainer::iterator oit =
|
---|
| 664 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 665 | sourceObj = *oit;
|
---|
[490] | 666 | }
|
---|
[491] | 667 |
|
---|
| 668 | if (tObj.mId >= 0)
|
---|
[490] | 669 | {
|
---|
[491] | 670 | ObjectContainer::iterator oit =
|
---|
| 671 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 672 | termObj = *oit;
|
---|
[490] | 673 | }
|
---|
[491] | 674 |
|
---|
| 675 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
[490] | 676 | }
|
---|
[491] | 677 |
|
---|
| 678 | #endif
|
---|
[490] | 679 | samplesIn.close();
|
---|
| 680 |
|
---|
| 681 | return true;
|
---|
| 682 | }
|
---|
| 683 |
|
---|
[508] | 684 |
|
---|
| 685 | bool Preprocessor::ExportSamples(const VssRayContainer &samples) const
|
---|
[490] | 686 | {
|
---|
[491] | 687 | char fileName[100];
|
---|
[1004] | 688 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
[491] | 689 |
|
---|
[490] | 690 |
|
---|
| 691 | VssRayContainer::const_iterator it, it_end = samples.end();
|
---|
| 692 |
|
---|
[491] | 693 | #if USE_ASCII
|
---|
| 694 | ofstream samplesOut(fileName);
|
---|
[490] | 695 | if (!samplesOut.is_open())
|
---|
| 696 | return false;
|
---|
| 697 |
|
---|
| 698 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 699 | {
|
---|
| 700 | VssRay *ray = *it;
|
---|
[491] | 701 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 702 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 703 |
|
---|
[490] | 704 | samplesOut << ray->GetOrigin().x << " " << ray->GetOrigin().y << " " << ray->GetOrigin().z << " "
|
---|
| 705 | << ray->GetTermination().x << " " << ray->GetTermination().y << " " << ray->GetTermination().z << " "
|
---|
[491] | 706 | << sourceid << " " << termid << "\n";
|
---|
[490] | 707 | }
|
---|
[491] | 708 | #else
|
---|
| 709 | ofstream samplesOut(fileName, ios::binary);
|
---|
| 710 | if (!samplesOut.is_open())
|
---|
| 711 | return false;
|
---|
| 712 |
|
---|
| 713 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 714 | {
|
---|
| 715 | VssRay *ray = *it;
|
---|
| 716 | Vector3 origin(ray->GetOrigin());
|
---|
| 717 | Vector3 termination(ray->GetTermination());
|
---|
| 718 |
|
---|
| 719 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 720 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 721 |
|
---|
| 722 | samplesOut.write(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 723 | samplesOut.write(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 724 | samplesOut.write(reinterpret_cast<char *>(&sourceid), sizeof(int));
|
---|
| 725 | samplesOut.write(reinterpret_cast<char *>(&termid), sizeof(int));
|
---|
| 726 | }
|
---|
| 727 | #endif
|
---|
[490] | 728 | samplesOut.close();
|
---|
[1194] | 729 |
|
---|
[490] | 730 | return true;
|
---|
| 731 | }
|
---|
[563] | 732 |
|
---|
[1020] | 733 | bool Preprocessor::GenerateRays(const int number,
|
---|
| 734 | const int sampleType,
|
---|
| 735 | SimpleRayContainer &rays)
|
---|
| 736 | {
|
---|
| 737 | const int startSize = (int)rays.size();
|
---|
| 738 | SamplingStrategy *strategy = GenerateSamplingStrategy(sampleType);
|
---|
[860] | 739 |
|
---|
[1020] | 740 | if (!strategy)
|
---|
[1381] | 741 | {
|
---|
[1020] | 742 | return false;
|
---|
[1381] | 743 | }
|
---|
[1020] | 744 |
|
---|
| 745 | for (int i=0; (int)rays.size() - startSize < number; ++ i)
|
---|
| 746 | {
|
---|
| 747 | SimpleRay newRay;
|
---|
| 748 |
|
---|
[1381] | 749 | if (strategy->GenerateSample(newRay))
|
---|
| 750 | {
|
---|
| 751 | #if 1
|
---|
[1020] | 752 | rays.AddRay(newRay);
|
---|
[1381] | 753 | #else
|
---|
| 754 | GenerateRayBundle(rays, newRay, 16, 0);
|
---|
| 755 | #endif
|
---|
| 756 | }
|
---|
[1020] | 757 | }
|
---|
| 758 |
|
---|
| 759 | delete strategy;
|
---|
| 760 | return true;
|
---|
[878] | 761 | }
|
---|
[1020] | 762 |
|
---|
| 763 |
|
---|
| 764 | SamplingStrategy *Preprocessor::GenerateSamplingStrategy(const int strategyId) const
|
---|
| 765 | {
|
---|
| 766 | switch (strategyId)
|
---|
| 767 | {
|
---|
| 768 | case OBJECT_BASED_DISTRIBUTION:
|
---|
| 769 | return new ObjectBasedDistribution(*this);
|
---|
| 770 | case OBJECT_DIRECTION_BASED_DISTRIBUTION:
|
---|
| 771 | return new ObjectDirectionBasedDistribution(*this);
|
---|
| 772 | case DIRECTION_BASED_DISTRIBUTION:
|
---|
| 773 | return new DirectionBasedDistribution(*this);
|
---|
| 774 | case DIRECTION_BOX_BASED_DISTRIBUTION:
|
---|
| 775 | return new DirectionBoxBasedDistribution(*this);
|
---|
| 776 | case SPATIAL_BOX_BASED_DISTRIBUTION:
|
---|
| 777 | return new SpatialBoxBasedDistribution(*this);
|
---|
[1021] | 778 | //case OBJECTS_INTERIOR_DISTRIBUTION:
|
---|
| 779 | // return new ObjectsInteriorDistribution(*this);
|
---|
[1020] | 780 | default: // no valid strategy
|
---|
[1279] | 781 | Debug << "warning: no valid sampling strategy" << endl;
|
---|
[1020] | 782 | return NULL;
|
---|
| 783 | }
|
---|
[1221] | 784 |
|
---|
[1020] | 785 | // should never come here
|
---|
| 786 | return NULL;
|
---|
| 787 | }
|
---|
| 788 |
|
---|
| 789 |
|
---|
[1221] | 790 | bool Preprocessor::InitRayCast(const string externKdTree)
|
---|
| 791 | {
|
---|
[1415] | 792 | bool loadKdTree, exportKdTree;
|
---|
| 793 |
|
---|
| 794 | Environment::GetSingleton()->GetBoolValue("Preprocessor.loadKdTree", loadKdTree);
|
---|
| 795 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportKdTree", exportKdTree);
|
---|
| 796 |
|
---|
| 797 | char kdtreename[100];
|
---|
| 798 | Environment::GetSingleton()->GetStringValue("Preprocessor.kdTreeFilename", kdtreename);
|
---|
| 799 |
|
---|
| 800 |
|
---|
| 801 | if (!loadKdTree)
|
---|
| 802 | {
|
---|
| 803 | /////////////////
|
---|
| 804 | //-- build new kd tree from scene geometry
|
---|
| 805 |
|
---|
| 806 | BuildKdTree();
|
---|
| 807 | KdTreeStatistics(cout);
|
---|
| 808 | }
|
---|
| 809 | else
|
---|
| 810 | {
|
---|
| 811 | const long startTime = GetTime();
|
---|
| 812 | cout << "loading kd tree file " << kdtreename << " ... ";
|
---|
| 813 |
|
---|
| 814 | if (!LoadKdTree(kdtreename))
|
---|
| 815 | {
|
---|
| 816 | cout << "error loading kd tree with filename " << kdtreename << endl;
|
---|
| 817 | return false;
|
---|
| 818 | }
|
---|
| 819 | cout << "finished in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
| 820 |
|
---|
| 821 | if (0)
|
---|
| 822 | {
|
---|
| 823 | Exporter *exporter = Exporter::GetExporter("dummykd.x3d");
|
---|
| 824 |
|
---|
| 825 | if (exporter)
|
---|
| 826 | {
|
---|
| 827 | exporter->ExportKdTree(*mKdTree, true);
|
---|
| 828 | delete exporter;
|
---|
| 829 | }
|
---|
| 830 | }
|
---|
| 831 | }
|
---|
| 832 |
|
---|
| 833 | if (exportKdTree)
|
---|
| 834 | {
|
---|
| 835 | const long startTime = GetTime();
|
---|
| 836 | cout << "exporting kd tree ... ";
|
---|
| 837 | if (!ExportKdTree(kdtreename))
|
---|
| 838 | {
|
---|
| 839 | cout << " error exporting kd tree with filename " << kdtreename << endl;
|
---|
| 840 | }
|
---|
| 841 | else
|
---|
| 842 | {
|
---|
| 843 | cout << "finished in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
| 844 | }
|
---|
| 845 | }
|
---|
| 846 |
|
---|
[1221] | 847 | switch (mRayCastMethod) // use intel ray tracing
|
---|
| 848 | {
|
---|
| 849 | case INTEL_RAYCASTER:
|
---|
[1251] | 850 | #ifdef GTP_INTERNAL
|
---|
[1344] | 851 | cout<<"Ray Cast file: " << externKdTree << endl;
|
---|
[1272] | 852 | return mlrtaLoadAS(externKdTree.c_str());
|
---|
[1232] | 853 | #endif
|
---|
[1221] | 854 | case INTERNAL_RAYCASTER:
|
---|
| 855 | default:
|
---|
| 856 | break;
|
---|
| 857 | }
|
---|
| 858 |
|
---|
| 859 | return true;
|
---|
[1020] | 860 | }
|
---|
[1221] | 861 |
|
---|
[1251] | 862 |
|
---|
| 863 | int Preprocessor::CastIntelDoubleRay(
|
---|
| 864 | const Vector3 &viewPoint,
|
---|
| 865 | const Vector3 &direction,
|
---|
| 866 | const float probability,
|
---|
| 867 | VssRayContainer &vssRays,
|
---|
| 868 | const AxisAlignedBox3 &box
|
---|
| 869 | )
|
---|
| 870 | {
|
---|
[1294] | 871 | #ifdef GTP_INTERNAL
|
---|
[1344] | 872 | //cout << "intel ray" << endl;
|
---|
[1251] | 873 | VssRay *vssRay = NULL;
|
---|
| 874 | int hits = 0;
|
---|
[1293] | 875 | int hittriangle;
|
---|
[1251] | 876 | Vector3 pointA, pointB;
|
---|
[1292] | 877 | Vector3 normalA, normalB;
|
---|
| 878 | Intersectable *objectA = NULL, *objectB = NULL;
|
---|
| 879 | float dist;
|
---|
| 880 | double normal[3];
|
---|
[1294] | 881 |
|
---|
[1292] | 882 | hittriangle = mlrtaIntersectAS(&viewPoint.x,
|
---|
[1344] | 883 | &direction.x,
|
---|
| 884 | normal,
|
---|
| 885 | dist);
|
---|
[1294] | 886 |
|
---|
[1344] | 887 | if (hittriangle != -1 ) {
|
---|
| 888 | if (hittriangle >= mFaceParents.size())
|
---|
| 889 | cerr<<"Warning: triangle index out of range! "<<hittriangle<<endl;
|
---|
| 890 | else {
|
---|
| 891 | objectA = mFaceParents[hittriangle].mObject;
|
---|
| 892 | normalA = Vector3(normal[0], normal[1], normal[2]);
|
---|
| 893 | // Get the normal of that face
|
---|
| 894 | // Mesh *mesh = ((MeshInstance *)objectA)->GetMesh();
|
---|
| 895 | // normalA = mesh->GetFacePlane(mFaceParents[forward_hit_triangles[i]].mFaceIndex).mNormal;
|
---|
| 896 | //-rays[index+i].mDirection; // $$ temporary
|
---|
| 897 | pointA = viewPoint + direction*dist;
|
---|
| 898 | }
|
---|
[1292] | 899 | }
|
---|
[1251] | 900 |
|
---|
[1344] | 901 |
|
---|
[1292] | 902 | Vector3 dir = -direction;
|
---|
| 903 | hittriangle = mlrtaIntersectAS(&viewPoint.x,
|
---|
[1344] | 904 | &dir.x,
|
---|
| 905 | normal,
|
---|
| 906 | dist);
|
---|
[1293] | 907 |
|
---|
[1344] | 908 | if (hittriangle != -1 ) {
|
---|
| 909 | if (hittriangle >= mFaceParents.size())
|
---|
| 910 | cerr<<"Warning: triangle index out of range! "<<hittriangle<<endl;
|
---|
| 911 | else {
|
---|
| 912 | objectB = mFaceParents[hittriangle].mObject;
|
---|
| 913 | normalB = Vector3(normal[0], normal[1], normal[2]);
|
---|
| 914 | // Get the normal of that face
|
---|
| 915 | // Mesh *mesh = ((MeshInstance *)objectB)->GetMesh();
|
---|
| 916 | // normalA = mesh->GetFacePlane(mFaceParents[forward_hit_triangles[i]].mFaceIndex).mNormal;
|
---|
| 917 | //-rays[index+i].mDirection; // $$ temporary
|
---|
| 918 | pointB = viewPoint + dir * dist;
|
---|
| 919 | }
|
---|
[1251] | 920 | }
|
---|
[1279] | 921 |
|
---|
[1292] | 922 | return ProcessRay(viewPoint,
|
---|
[1344] | 923 | direction,
|
---|
| 924 | objectA, pointA, normalA,
|
---|
| 925 | objectB, pointB, normalB,
|
---|
| 926 | probability,
|
---|
| 927 | vssRays,
|
---|
| 928 | box
|
---|
| 929 | );
|
---|
[1294] | 930 | #else
|
---|
| 931 | return -1;
|
---|
| 932 | #endif
|
---|
[1221] | 933 | }
|
---|
[1251] | 934 |
|
---|
| 935 |
|
---|
| 936 | Intersectable *Preprocessor::CastIntelSingleRay(const Vector3 &viewPoint,
|
---|
| 937 | const Vector3 &direction,
|
---|
| 938 | //const float probability,
|
---|
| 939 | Vector3 &tPoint,
|
---|
| 940 | const AxisAlignedBox3 &box
|
---|
| 941 | )
|
---|
| 942 | {
|
---|
| 943 | AxisAlignedBox3 sbox = box;
|
---|
| 944 | sbox.Enlarge(Vector3(-Limits::Small));
|
---|
| 945 |
|
---|
| 946 | if (!sbox.IsInside(viewPoint))
|
---|
| 947 | return 0;
|
---|
| 948 |
|
---|
[1294] | 949 | #ifdef GTP_INTERNAL
|
---|
[1251] | 950 | float pforg[3];
|
---|
| 951 | float pfdir[3];
|
---|
[1272] | 952 | double pfnorm[3];
|
---|
[1251] | 953 |
|
---|
| 954 | pforg[0] = viewPoint[0]; pforg[1] = viewPoint[1]; pforg[2] = viewPoint[2];
|
---|
| 955 | pfdir[0] = direction[0]; pfdir[1] = direction[1]; pfdir[2] = direction[2];
|
---|
| 956 |
|
---|
[1294] | 957 | float dist;
|
---|
[1251] | 958 | const int hittriangle = mlrtaIntersectAS(pforg, pfdir, pfnorm, dist);
|
---|
| 959 |
|
---|
| 960 | if (hittriangle == -1)
|
---|
[1292] | 961 | {
|
---|
[1251] | 962 | static Ray ray;
|
---|
| 963 | SetupRay(ray, viewPoint, direction);
|
---|
[1292] | 964 |
|
---|
[1251] | 965 | float tmin = 0, tmax;
|
---|
| 966 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
[1292] | 967 | {
|
---|
[1251] | 968 | tPoint = ray.Extrap(tmax);
|
---|
[1292] | 969 | }
|
---|
| 970 |
|
---|
[1251] | 971 | return NULL;
|
---|
[1292] | 972 | }
|
---|
| 973 | else {
|
---|
| 974 | if (hittriangle >= mFaceParents.size()) {
|
---|
[1344] | 975 | cerr<<"Warning: triangle index out of range! "<<hittriangle<<endl;
|
---|
[1292] | 976 | return NULL;
|
---|
| 977 | }
|
---|
| 978 | else {
|
---|
| 979 |
|
---|
[1251] | 980 | tPoint[0] = pforg[0] + pfdir[0] * dist;
|
---|
| 981 | tPoint[1] = pforg[1] + pfdir[1] * dist;
|
---|
| 982 | tPoint[2] = pforg[2] + pfdir[2] * dist;
|
---|
[1292] | 983 |
|
---|
[1281] | 984 | return mFaceParents[hittriangle].mObject;
|
---|
[1292] | 985 | }
|
---|
[1251] | 986 | }
|
---|
[1294] | 987 |
|
---|
| 988 | #else
|
---|
| 989 | const int hittriangle = -1;
|
---|
| 990 | return NULL;
|
---|
| 991 | #endif
|
---|
| 992 |
|
---|
[1251] | 993 | }
|
---|
| 994 |
|
---|
| 995 |
|
---|
| 996 | int Preprocessor::CastInternalRay(
|
---|
| 997 | const Vector3 &viewPoint,
|
---|
| 998 | const Vector3 &direction,
|
---|
| 999 | const float probability,
|
---|
| 1000 | VssRayContainer &vssRays,
|
---|
| 1001 | const AxisAlignedBox3 &box
|
---|
| 1002 | )
|
---|
| 1003 | {
|
---|
[1359] | 1004 | //cout << "internal ray" << endl;
|
---|
[1272] | 1005 | int hits = 0;
|
---|
| 1006 | static Ray ray;
|
---|
| 1007 | Intersectable *objectA, *objectB;
|
---|
| 1008 | Vector3 pointA, pointB;
|
---|
[1251] | 1009 |
|
---|
[1272] | 1010 | // AxisAlignedBox3 box = Union(mKdTree->GetBox(), mViewCellsManager->GetViewSpaceBox());
|
---|
| 1011 | AxisAlignedBox3 sbox = box;
|
---|
| 1012 | sbox.Enlarge(Vector3(-Limits::Small));
|
---|
| 1013 | if (!sbox.IsInside(viewPoint))
|
---|
| 1014 | return 0;
|
---|
[1251] | 1015 |
|
---|
[1272] | 1016 | SetupRay(ray, viewPoint, direction);
|
---|
| 1017 | ray.mFlags &= ~Ray::CULL_BACKFACES;
|
---|
[1251] | 1018 |
|
---|
[1272] | 1019 | // cast ray to KD tree to find intersection with other objects
|
---|
| 1020 | float bsize = Magnitude(box.Size());
|
---|
| 1021 |
|
---|
| 1022 |
|
---|
| 1023 | if (mKdTree->CastRay(ray)) {
|
---|
| 1024 | objectA = ray.intersections[0].mObject;
|
---|
| 1025 | pointA = ray.Extrap(ray.intersections[0].mT);
|
---|
| 1026 | if (mDetectEmptyViewSpace)
|
---|
| 1027 | if (DotProd(ray.intersections[0].mNormal, direction) >= 0) {
|
---|
| 1028 | // discard the sample
|
---|
| 1029 | return 0;
|
---|
| 1030 | }
|
---|
| 1031 |
|
---|
| 1032 | } else {
|
---|
| 1033 | objectA = NULL;
|
---|
| 1034 | // compute intersection with the scene bounding box
|
---|
| 1035 | float tmin, tmax;
|
---|
| 1036 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
| 1037 | pointA = ray.Extrap(tmax);
|
---|
[1251] | 1038 | else
|
---|
[1272] | 1039 | return 0;
|
---|
| 1040 | }
|
---|
[1251] | 1041 |
|
---|
[1272] | 1042 | SetupRay(ray, viewPoint, -direction);
|
---|
| 1043 | ray.mFlags &= ~Ray::CULL_BACKFACES;
|
---|
| 1044 |
|
---|
| 1045 | if (mKdTree->CastRay(ray)) {
|
---|
| 1046 | objectB = ray.intersections[0].mObject;
|
---|
| 1047 | pointB = ray.Extrap(ray.intersections[0].mT);
|
---|
| 1048 | if (mDetectEmptyViewSpace)
|
---|
| 1049 | if (DotProd(ray.intersections[0].mNormal, direction) <= 0) {
|
---|
| 1050 | // discard the sample
|
---|
| 1051 | return 0;
|
---|
| 1052 | }
|
---|
| 1053 | } else {
|
---|
| 1054 | objectB = NULL;
|
---|
| 1055 | float tmin, tmax;
|
---|
| 1056 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
| 1057 | pointB = ray.Extrap(tmax);
|
---|
[1251] | 1058 | else
|
---|
[1272] | 1059 | return 0;
|
---|
| 1060 | }
|
---|
[1251] | 1061 |
|
---|
| 1062 |
|
---|
[1272] | 1063 | VssRay *vssRay = NULL;
|
---|
| 1064 | bool validSample = (objectA != objectB);
|
---|
| 1065 | if (validSample) {
|
---|
| 1066 | if (objectA) {
|
---|
| 1067 | vssRay = new VssRay(pointB,
|
---|
| 1068 | pointA,
|
---|
| 1069 | objectB,
|
---|
| 1070 | objectA,
|
---|
| 1071 | mPass,
|
---|
| 1072 | probability
|
---|
| 1073 | );
|
---|
| 1074 | vssRays.push_back(vssRay);
|
---|
[1344] | 1075 | //cout << "ray: " << *vssRay << endl;
|
---|
[1272] | 1076 | hits ++;
|
---|
[1251] | 1077 | }
|
---|
| 1078 |
|
---|
[1272] | 1079 | if (objectB) {
|
---|
| 1080 | vssRay = new VssRay(pointA,
|
---|
| 1081 | pointB,
|
---|
| 1082 | objectA,
|
---|
| 1083 | objectB,
|
---|
| 1084 | mPass,
|
---|
| 1085 | probability
|
---|
| 1086 | );
|
---|
| 1087 | vssRays.push_back(vssRay);
|
---|
[1344] | 1088 | //cout << "ray: " << *vssRay << endl;
|
---|
[1272] | 1089 | hits ++;
|
---|
[1251] | 1090 | }
|
---|
[1272] | 1091 | }
|
---|
| 1092 |
|
---|
| 1093 | return hits;
|
---|
[1251] | 1094 | }
|
---|
| 1095 |
|
---|
| 1096 |
|
---|
[1281] | 1097 | int
|
---|
| 1098 | Preprocessor::ProcessRay(
|
---|
[1283] | 1099 | const Vector3 &viewPoint,
|
---|
| 1100 | const Vector3 &direction,
|
---|
[1281] | 1101 | Intersectable *objectA,
|
---|
| 1102 | Vector3 &pointA,
|
---|
[1283] | 1103 | const Vector3 &normalA,
|
---|
[1281] | 1104 | Intersectable *objectB,
|
---|
| 1105 | Vector3 &pointB,
|
---|
[1283] | 1106 | const Vector3 &normalB,
|
---|
[1281] | 1107 | const float probability,
|
---|
| 1108 | VssRayContainer &vssRays,
|
---|
| 1109 | const AxisAlignedBox3 &box
|
---|
| 1110 | )
|
---|
| 1111 | {
|
---|
| 1112 | int hits=0;
|
---|
[1292] | 1113 | #if DEBUG_RAYCAST
|
---|
| 1114 | Debug<<"PR ";
|
---|
| 1115 | #endif
|
---|
[1281] | 1116 | if (objectA == NULL && objectB == NULL)
|
---|
| 1117 | return 0;
|
---|
[1292] | 1118 |
|
---|
[1281] | 1119 | AxisAlignedBox3 sbox = box;
|
---|
| 1120 | sbox.Enlarge(Vector3(-Limits::Small));
|
---|
| 1121 |
|
---|
| 1122 | if (!sbox.IsInside(viewPoint))
|
---|
| 1123 | return 0;
|
---|
| 1124 |
|
---|
| 1125 | if (objectA == NULL) {
|
---|
| 1126 | // compute intersection with the scene bounding box
|
---|
| 1127 | static Ray ray;
|
---|
| 1128 | SetupRay(ray, viewPoint, direction);
|
---|
| 1129 |
|
---|
| 1130 | float tmin, tmax;
|
---|
| 1131 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
| 1132 | pointA = ray.Extrap(tmax);
|
---|
| 1133 | else
|
---|
| 1134 | return 0;
|
---|
| 1135 | } else {
|
---|
| 1136 | if (mDetectEmptyViewSpace)
|
---|
| 1137 | if (DotProd(normalA, direction) >= 0) {
|
---|
| 1138 | // discard the sample
|
---|
| 1139 | return 0;
|
---|
| 1140 | }
|
---|
| 1141 | }
|
---|
| 1142 |
|
---|
| 1143 | if (objectB == NULL) {
|
---|
| 1144 | // compute intersection with the scene bounding box
|
---|
| 1145 | static Ray ray;
|
---|
| 1146 | SetupRay(ray, viewPoint, -direction);
|
---|
| 1147 |
|
---|
| 1148 | float tmin, tmax;
|
---|
| 1149 | if (box.ComputeMinMaxT(ray, &tmin, &tmax) && tmin < tmax)
|
---|
| 1150 | pointB = ray.Extrap(tmax);
|
---|
| 1151 | else
|
---|
| 1152 | return 0;
|
---|
| 1153 | } else {
|
---|
| 1154 | if (mDetectEmptyViewSpace)
|
---|
| 1155 | if (DotProd(normalB, direction) <= 0) {
|
---|
| 1156 | // discard the sample
|
---|
| 1157 | return 0;
|
---|
| 1158 | }
|
---|
| 1159 | }
|
---|
| 1160 |
|
---|
| 1161 | VssRay *vssRay = NULL;
|
---|
| 1162 | bool validSample = (objectA != objectB);
|
---|
| 1163 | if (validSample) {
|
---|
| 1164 | if (objectA) {
|
---|
| 1165 | vssRay = new VssRay(pointB,
|
---|
| 1166 | pointA,
|
---|
| 1167 | objectB,
|
---|
| 1168 | objectA,
|
---|
| 1169 | mPass,
|
---|
| 1170 | probability
|
---|
| 1171 | );
|
---|
| 1172 | vssRays.push_back(vssRay);
|
---|
[1344] | 1173 | //cout << "ray: " << *vssRay << endl;
|
---|
[1281] | 1174 | hits ++;
|
---|
| 1175 | }
|
---|
| 1176 |
|
---|
| 1177 | if (objectB) {
|
---|
| 1178 | vssRay = new VssRay(pointA,
|
---|
| 1179 | pointB,
|
---|
| 1180 | objectA,
|
---|
| 1181 | objectB,
|
---|
| 1182 | mPass,
|
---|
| 1183 | probability
|
---|
| 1184 | );
|
---|
| 1185 | vssRays.push_back(vssRay);
|
---|
[1344] | 1186 | //cout << "ray: " << *vssRay << endl;
|
---|
[1281] | 1187 | hits ++;
|
---|
| 1188 | }
|
---|
| 1189 | }
|
---|
[1292] | 1190 |
|
---|
| 1191 |
|
---|
[1281] | 1192 | return hits;
|
---|
| 1193 | }
|
---|
| 1194 |
|
---|
| 1195 | void
|
---|
| 1196 | Preprocessor::CastRays16(const int index,
|
---|
| 1197 | SimpleRayContainer &rays,
|
---|
| 1198 | VssRayContainer &vssRays,
|
---|
| 1199 | const AxisAlignedBox3 &sbox)
|
---|
| 1200 | {
|
---|
| 1201 | int i;
|
---|
[1344] | 1202 | const int num = 16;
|
---|
[1292] | 1203 |
|
---|
| 1204 | #if DEBUG_RAYCAST
|
---|
| 1205 | Debug<<"C16 "<<flush;
|
---|
| 1206 | #endif
|
---|
[1281] | 1207 | if (mRayCastMethod == INTEL_RAYCASTER) {
|
---|
| 1208 | #ifdef GTP_INTERNAL
|
---|
| 1209 |
|
---|
| 1210 | int forward_hit_triangles[16];
|
---|
| 1211 | float forward_dist[16];
|
---|
| 1212 |
|
---|
| 1213 | int backward_hit_triangles[16];
|
---|
| 1214 | float backward_dist[16];
|
---|
[1292] | 1215 |
|
---|
| 1216 |
|
---|
[1281] | 1217 | Vector3 min = sbox.Min();
|
---|
| 1218 | Vector3 max = sbox.Max();
|
---|
[1344] | 1219 |
|
---|
[1281] | 1220 | for (i=0; i < num; i++) {
|
---|
| 1221 | mlrtaStoreRayAS16(&rays[index + i].mOrigin.x,
|
---|
| 1222 | &rays[index + i].mDirection.x,
|
---|
| 1223 | i);
|
---|
| 1224 | }
|
---|
| 1225 |
|
---|
| 1226 | mlrtaTraverseGroupAS16(&min.x,
|
---|
| 1227 | &max.x,
|
---|
| 1228 | forward_hit_triangles,
|
---|
| 1229 | forward_dist);
|
---|
| 1230 |
|
---|
| 1231 | for (i=0; i < num; i++) {
|
---|
[1292] | 1232 | Vector3 dir = -rays[index + i].mDirection;
|
---|
[1281] | 1233 | mlrtaStoreRayAS16(&rays[index+i].mOrigin.x,
|
---|
| 1234 | &dir.x,
|
---|
| 1235 | i);
|
---|
| 1236 | }
|
---|
| 1237 |
|
---|
| 1238 | mlrtaTraverseGroupAS16(&min.x,
|
---|
| 1239 | &max.x,
|
---|
| 1240 | backward_hit_triangles,
|
---|
| 1241 | backward_dist);
|
---|
| 1242 |
|
---|
| 1243 |
|
---|
| 1244 | for (i=0; i < num; i++) {
|
---|
| 1245 | Intersectable *objectA = NULL, *objectB = NULL;
|
---|
| 1246 | Vector3 pointA, pointB;
|
---|
| 1247 | Vector3 normalA, normalB;
|
---|
[1292] | 1248 |
|
---|
[1344] | 1249 | if (forward_hit_triangles[i] != -1 ) {
|
---|
[1292] | 1250 | if (forward_hit_triangles[i] >= mFaceParents.size())
|
---|
[1344] | 1251 | cerr<<"Warning: triangle index out of range! "<<forward_hit_triangles[i]<<endl;
|
---|
| 1252 | else {
|
---|
[1292] | 1253 | objectA = mFaceParents[forward_hit_triangles[i]].mObject;
|
---|
| 1254 | // Get the normal of that face
|
---|
[1344] | 1255 | normalA = objectA->GetNormal(mFaceParents[forward_hit_triangles[i]].mFaceIndex);
|
---|
[1292] | 1256 | //-rays[index+i].mDirection; // $$ temporary
|
---|
| 1257 | pointA = rays[index+i].Extrap(forward_dist[i]);
|
---|
| 1258 | }
|
---|
[1281] | 1259 | }
|
---|
[1344] | 1260 |
|
---|
[1281] | 1261 | if (backward_hit_triangles[i]!=-1) {
|
---|
[1292] | 1262 | if (backward_hit_triangles[i] >= mFaceParents.size())
|
---|
[1344] | 1263 | cerr<<"Warning: triangle index out of range! "<<backward_hit_triangles[i]<<endl;
|
---|
| 1264 | else {
|
---|
[1292] | 1265 | objectB = mFaceParents[backward_hit_triangles[i]].mObject;
|
---|
[1344] | 1266 | normalB = objectB->GetNormal(mFaceParents[forward_hit_triangles[i]].mFaceIndex);
|
---|
[1292] | 1267 |
|
---|
[1344] | 1268 | // normalB = rays[index+i].mDirection; // $$ temporary
|
---|
[1292] | 1269 | pointB = rays[index+i].Extrap(-backward_dist[i]);
|
---|
| 1270 | }
|
---|
| 1271 | }
|
---|
[1344] | 1272 |
|
---|
[1281] | 1273 | ProcessRay(rays[index+i].mOrigin,
|
---|
| 1274 | rays[index+i].mDirection,
|
---|
| 1275 | objectA, pointA, normalA,
|
---|
| 1276 | objectB, pointB, normalB,
|
---|
| 1277 | rays[index+i].mPdf,
|
---|
| 1278 | vssRays,
|
---|
| 1279 | sbox
|
---|
| 1280 | );
|
---|
| 1281 | }
|
---|
[1344] | 1282 |
|
---|
[1281] | 1283 | #endif
|
---|
[1292] | 1284 |
|
---|
[1281] | 1285 | } else {
|
---|
| 1286 |
|
---|
| 1287 | for (i=index; i < index + num; i++) {
|
---|
| 1288 | CastRay(rays[i].mOrigin,
|
---|
| 1289 | rays[i].mDirection,
|
---|
| 1290 | rays[i].mPdf,
|
---|
| 1291 | vssRays,
|
---|
| 1292 | sbox);
|
---|
| 1293 | }
|
---|
| 1294 | }
|
---|
[1292] | 1295 | #if DEBUG_RAYCAST
|
---|
| 1296 | Debug<<"C16F\n"<<flush;
|
---|
| 1297 | #endif
|
---|
[1281] | 1298 | }
|
---|
| 1299 |
|
---|
| 1300 | void
|
---|
| 1301 | Preprocessor::CastRays(
|
---|
| 1302 | SimpleRayContainer &rays,
|
---|
| 1303 | VssRayContainer &vssRays
|
---|
| 1304 | )
|
---|
| 1305 | {
|
---|
| 1306 | long t1 = GetTime();
|
---|
[1344] | 1307 |
|
---|
| 1308 | for (int i = 0; i < (int)rays.size(); ) {
|
---|
| 1309 | // method only available for intel raycaster yet
|
---|
| 1310 | if (i + 16 < (int)rays.size()) {
|
---|
| 1311 |
|
---|
[1281] | 1312 | CastRays16(
|
---|
| 1313 | i,
|
---|
| 1314 | rays,
|
---|
| 1315 | vssRays,
|
---|
| 1316 | mViewCellsManager->GetViewSpaceBox());
|
---|
| 1317 | i += 16;
|
---|
| 1318 | } else {
|
---|
| 1319 | CastRay(rays[i].mOrigin,
|
---|
| 1320 | rays[i].mDirection,
|
---|
| 1321 | rays[i].mPdf,
|
---|
| 1322 | vssRays,
|
---|
| 1323 | mViewCellsManager->GetViewSpaceBox());
|
---|
| 1324 | i++;
|
---|
| 1325 | }
|
---|
| 1326 | if (i % 10000 == 0)
|
---|
| 1327 | cout<<".";
|
---|
| 1328 | }
|
---|
| 1329 |
|
---|
| 1330 | long t2 = GetTime();
|
---|
| 1331 | cout<<2*rays.size()/(1e3*TimeDiff(t1, t2))<<"M rays/s"<<endl;
|
---|
| 1332 | }
|
---|
| 1333 |
|
---|
[1292] | 1334 | Intersectable *
|
---|
| 1335 | Preprocessor::CastSimpleRay(
|
---|
| 1336 | const Vector3 &viewPoint,
|
---|
| 1337 | const Vector3 &direction,
|
---|
| 1338 | const AxisAlignedBox3 &box,
|
---|
| 1339 | Vector3 &point,
|
---|
| 1340 | Vector3 &normal
|
---|
| 1341 | )
|
---|
| 1342 | {
|
---|
| 1343 | Intersectable *result = NULL;
|
---|
| 1344 | switch (mRayCastMethod)
|
---|
| 1345 | {
|
---|
| 1346 | case INTEL_RAYCASTER: {
|
---|
[1294] | 1347 |
|
---|
[1292] | 1348 | int hittriangle;
|
---|
[1294] | 1349 |
|
---|
| 1350 | #ifdef GTP_INTERNAL
|
---|
| 1351 | float dist;
|
---|
[1292] | 1352 | double n[3];
|
---|
[1293] | 1353 |
|
---|
[1292] | 1354 | hittriangle = mlrtaIntersectAS(&viewPoint.x,
|
---|
| 1355 | &direction.x,
|
---|
| 1356 | n,
|
---|
| 1357 | dist);
|
---|
[1293] | 1358 |
|
---|
[1294] | 1359 | if (hittriangle !=-1 ) {
|
---|
[1292] | 1360 | if (hittriangle >= mFaceParents.size())
|
---|
[1344] | 1361 | cerr<<"Warning: triangle index out of range! "<<hittriangle<<endl;
|
---|
[1292] | 1362 | else {
|
---|
| 1363 | result = mFaceParents[hittriangle].mObject;
|
---|
| 1364 | normal = Vector3(n[0], n[1], n[2]);
|
---|
| 1365 | point = viewPoint + direction*dist;
|
---|
| 1366 | }
|
---|
| 1367 | }
|
---|
[1294] | 1368 | #else
|
---|
[1344] | 1369 | hittriangle = -1;
|
---|
[1294] | 1370 | #endif
|
---|
| 1371 |
|
---|
[1292] | 1372 | break;
|
---|
| 1373 | }
|
---|
| 1374 | case INTERNAL_RAYCASTER:
|
---|
| 1375 | default: {
|
---|
| 1376 | static Ray ray;
|
---|
| 1377 |
|
---|
| 1378 | ray.intersections.clear();
|
---|
| 1379 | // do not store anything else then intersections at the ray
|
---|
| 1380 | ray.Init(viewPoint, direction, Ray::LOCAL_RAY);
|
---|
| 1381 |
|
---|
| 1382 | ray.mFlags &= ~Ray::CULL_BACKFACES;
|
---|
| 1383 |
|
---|
| 1384 | if (mKdTree->CastRay(ray)) {
|
---|
| 1385 | result = ray.intersections[0].mObject;
|
---|
| 1386 | point = ray.Extrap(ray.intersections[0].mT);
|
---|
| 1387 | normal = ray.intersections[0].mNormal;
|
---|
| 1388 | }
|
---|
| 1389 | break;
|
---|
| 1390 | }
|
---|
| 1391 | }
|
---|
| 1392 | return result;
|
---|
| 1393 | }
|
---|
[1286] | 1394 |
|
---|
[1292] | 1395 | int
|
---|
| 1396 | Preprocessor::CastRay(
|
---|
| 1397 | const Vector3 &viewPoint,
|
---|
| 1398 | const Vector3 &direction,
|
---|
| 1399 | const float probability,
|
---|
| 1400 | VssRayContainer &vssRays,
|
---|
| 1401 | const AxisAlignedBox3 &box
|
---|
| 1402 | )
|
---|
[1251] | 1403 | {
|
---|
[1292] | 1404 | #if DEBUG_RAYCAST
|
---|
| 1405 | Debug<<"CR "<<flush;
|
---|
| 1406 | #endif
|
---|
| 1407 | switch (mRayCastMethod)
|
---|
[1251] | 1408 | {
|
---|
| 1409 | case INTEL_RAYCASTER:
|
---|
| 1410 | return CastIntelDoubleRay(viewPoint, direction, probability, vssRays, box);
|
---|
| 1411 | case INTERNAL_RAYCASTER:
|
---|
| 1412 | default:
|
---|
| 1413 | return CastInternalRay(viewPoint, direction, probability, vssRays, box);
|
---|
| 1414 | }
|
---|
[1381] | 1415 | #if DEBUG_RAYCAST
|
---|
[1292] | 1416 | Debug<<"CRF "<<flush;
|
---|
| 1417 | #endif
|
---|
[1251] | 1418 | }
|
---|
| 1419 |
|
---|
| 1420 |
|
---|
[1381] | 1421 | bool Preprocessor::GenerateRayBundle(SimpleRayContainer &rayBundle,
|
---|
| 1422 | const SimpleRay &mainRay,
|
---|
| 1423 | const int number,
|
---|
| 1424 | const int pertubType) const
|
---|
| 1425 | {
|
---|
| 1426 | rayBundle.push_back(mainRay);
|
---|
| 1427 |
|
---|
| 1428 | const float pertubOrigin = 10.0f;
|
---|
| 1429 | const float pertubDir = 0.0f;
|
---|
| 1430 |
|
---|
| 1431 | for (int i = 0; i < number - 1; ++ i)
|
---|
| 1432 | {
|
---|
| 1433 | Vector3 pertub;
|
---|
| 1434 |
|
---|
| 1435 | pertub.x = RandomValue(0.0f, pertubDir);
|
---|
| 1436 | pertub.y = RandomValue(0.0f, pertubDir);
|
---|
| 1437 | pertub.z = RandomValue(0.0f, pertubDir);
|
---|
| 1438 | const Vector3 newDir = mainRay.mDirection + pertub;
|
---|
| 1439 | //const Vector3 newDir = mainRay.mDirection;
|
---|
| 1440 |
|
---|
| 1441 | pertub.x = RandomValue(0.0f, pertubOrigin);
|
---|
| 1442 | pertub.y = RandomValue(0.0f, pertubOrigin);
|
---|
| 1443 | pertub.z = RandomValue(0.0f, pertubOrigin);
|
---|
| 1444 | const Vector3 newOrigin = mainRay.mOrigin + pertub;
|
---|
| 1445 | //const Vector3 newOrigin = mainRay.mOrigin;
|
---|
| 1446 |
|
---|
| 1447 | rayBundle.push_back(SimpleRay(newOrigin, newDir, 0));
|
---|
| 1448 | }
|
---|
| 1449 |
|
---|
| 1450 | return true;
|
---|
| 1451 | }
|
---|
| 1452 |
|
---|
| 1453 |
|
---|
[1251] | 1454 | void Preprocessor::SetupRay(Ray &ray,
|
---|
| 1455 | const Vector3 &point,
|
---|
| 1456 | const Vector3 &direction
|
---|
| 1457 | )
|
---|
| 1458 | {
|
---|
| 1459 | ray.Clear();
|
---|
| 1460 | // do not store anything else then intersections at the ray
|
---|
| 1461 | ray.Init(point, direction, Ray::LOCAL_RAY);
|
---|
| 1462 | }
|
---|
| 1463 |
|
---|
| 1464 | }
|
---|