[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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[1520] | 21 | #include "IntelRayCaster.h"
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| 22 | #include "InternalRayCaster.h"
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[1264] | 23 |
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[1287] | 24 |
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[372] | 25 |
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[1292] | 26 | #define DEBUG_RAYCAST 0
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| 27 |
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| 28 |
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[863] | 29 | namespace GtpVisibilityPreprocessor {
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[860] | 30 |
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[1020] | 31 | const static bool ADDITIONAL_GEOMETRY_HACK = false;
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[860] | 32 |
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[492] | 33 |
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[1001] | 34 | // HACK: Artificially modify scene to watch rendercost changes
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[750] | 35 | static void AddGeometry(SceneGraph *scene)
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| 36 | {
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[1328] | 37 | scene->GetRoot()->UpdateBox();
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[752] | 38 |
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[750] | 39 | AxisAlignedBox3 sceneBox = scene->GetBox();
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| 40 |
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| 41 | int n = 200;
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| 42 |
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[1291] | 43 | if (0)
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[750] | 44 | {
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[1291] | 45 | // form grid of boxes
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| 46 | for (int i = 0; i < n; ++ i)
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[750] | 47 | {
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[1291] | 48 | for (int j = 0; j < n; ++ j)
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| 49 | {
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| 50 | 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] | 51 |
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[1291] | 52 | const Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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| 53 |
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| 54 | const Vector3 boxSize = sceneBox.Size() * Vector3(0.0025f, 0.01f, 0.0025f);
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| 55 | AxisAlignedBox3 box(pt2, pt2 + boxSize);
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| 56 | Mesh *mesh = CreateMeshFromBox(box);
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| 57 |
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| 58 | mesh->Preprocess();
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| 59 |
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| 60 | MeshInstance *mi = new MeshInstance(mesh);
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[1328] | 61 | scene->GetRoot()->mGeometry.push_back(mi);
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[1291] | 62 | }
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[750] | 63 | }
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| 64 |
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[1291] | 65 | for (int i = 0; i < n; ++ i)
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[750] | 66 | {
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[1291] | 67 | for (int j = 0; j < n; ++ j)
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| 68 | {
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| 69 | const Vector3 scale2(0.15f, (float)j * 0.8f / n + 0.1f, (float)i * 0.8f / (float)n + 0.1f);
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| 70 |
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| 71 | Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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| 72 |
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| 73 | Vector3 boxSize = sceneBox.Size() * Vector3(0.0025f, 0.01f, 0.0025f);
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| 74 | AxisAlignedBox3 box(pt2, pt2 + boxSize);
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| 75 | Mesh *mesh = CreateMeshFromBox(box);
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| 76 |
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| 77 | mesh->Preprocess();
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| 78 |
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| 79 | MeshInstance *mi = new MeshInstance(mesh);
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[1328] | 80 | scene->GetRoot()->mGeometry.push_back(mi);
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[1291] | 81 | }
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| 82 | }
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| 83 |
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| 84 | for (int i = 0; i < n; ++ i)
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| 85 | {
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| 86 | const Vector3 scale2(2, 0.2f, (float)i * 0.8f / (float)n + 0.1f);
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| 87 |
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[750] | 88 | Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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[1291] | 89 |
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| 90 | //Vector3 boxSize = sceneBox.Size() * Vector3(0.0025, 0.01, 0.0025);
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| 91 | Vector3 boxSize = sceneBox.Size() * Vector3(0.005f, 0.02f, 0.005f);
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| 92 |
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| 93 | AxisAlignedBox3 box(pt2 + 0.1f, pt2 + boxSize);
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[991] | 94 | Mesh *mesh = CreateMeshFromBox(box);
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[750] | 95 |
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| 96 | mesh->Preprocess();
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[1291] | 97 |
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[750] | 98 | MeshInstance *mi = new MeshInstance(mesh);
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[1328] | 99 | scene->GetRoot()->mGeometry.push_back(mi);
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[750] | 100 | }
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[1291] | 101 |
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[1328] | 102 | scene->GetRoot()->UpdateBox();
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[750] | 103 | }
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| 104 |
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[840] | 105 | if (1)
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| 106 | {
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[1221] | 107 | // plane separating view space regions
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[1135] | 108 | const Vector3 scale(1.0f, 0.0, 0);
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[750] | 109 |
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[840] | 110 | Vector3 pt = sceneBox.Min() + scale * (sceneBox.Max() - sceneBox.Min());
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[750] | 111 |
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[840] | 112 | Plane3 cuttingPlane(Vector3(1, 0, 0), pt);
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| 113 | Mesh *planeMesh = new Mesh();
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[1291] | 114 |
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[840] | 115 | Polygon3 *poly = sceneBox.CrossSection(cuttingPlane);
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| 116 | IncludePolyInMesh(*poly, *planeMesh);
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[1291] | 117 |
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[840] | 118 | planeMesh->Preprocess();
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[1291] | 119 |
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[840] | 120 | MeshInstance *planeMi = new MeshInstance(planeMesh);
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[1328] | 121 | scene->GetRoot()->mGeometry.push_back(planeMi);
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[840] | 122 | }
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[750] | 123 | }
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| 124 |
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| 125 |
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[372] | 126 | Preprocessor::Preprocessor():
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| 127 | mKdTree(NULL),
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[409] | 128 | mBspTree(NULL),
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[445] | 129 | mVspBspTree(NULL),
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[1279] | 130 | mHierarchyManager(NULL),
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[1002] | 131 | mViewCellsManager(NULL),
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[1251] | 132 | mRenderSimulator(NULL),
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[1279] | 133 | mPass(0),
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[1520] | 134 | mSceneGraph(NULL),
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| 135 | mRayCaster(NULL)
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[308] | 136 | {
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[1004] | 137 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlRenderer", mUseGlRenderer);
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[538] | 138 |
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[840] | 139 | // renderer will be constructed when the scene graph and viewcell manager will be known
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| 140 | renderer = NULL;
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[496] | 141 |
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[1004] | 142 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlDebugger", mUseGlDebugger);
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[1379] | 143 | Environment::GetSingleton()->GetBoolValue("Preprocessor.loadMeshes", mLoadMeshes);
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[1004] | 144 | Environment::GetSingleton()->GetBoolValue("Preprocessor.quitOnFinish", mQuitOnFinish);
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| 145 | Environment::GetSingleton()->GetBoolValue("Preprocessor.computeVisibility", mComputeVisibility);
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| 146 | Environment::GetSingleton()->GetBoolValue("Preprocessor.detectEmptyViewSpace", mDetectEmptyViewSpace);
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| 147 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportVisibility", mExportVisibility );
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[1520] | 148 |
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[871] | 149 | char buffer[256];
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[1004] | 150 | Environment::GetSingleton()->GetStringValue("Preprocessor.visibilityFile", buffer);
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[1415] | 151 |
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[871] | 152 | mVisibilityFileName = buffer;
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[1004] | 153 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilityFilter", mApplyVisibilityFilter );
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| 154 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilitySpatialFilter",
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[904] | 155 | mApplyVisibilitySpatialFilter );
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[1004] | 156 | Environment::GetSingleton()->GetFloatValue("Preprocessor.visibilityFilterWidth", mVisibilityFilterWidth);
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[878] | 157 |
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[840] | 158 | Debug << "detect empty view space=" << mDetectEmptyViewSpace << endl;
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[1379] | 159 | Debug << "load meshes: " << mLoadMeshes << endl;
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[372] | 160 | }
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| 161 |
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| 162 |
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| 163 | Preprocessor::~Preprocessor()
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| 164 | {
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[1291] | 165 | cout << "cleaning up" << endl;
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[752] | 166 |
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[1291] | 167 | cout << "Deleting view cells manager ... \n";
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| 168 | DEL_PTR(mViewCellsManager);
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| 169 | cout << "done.\n";
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[752] | 170 |
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[1291] | 171 | cout << "Deleting bsp tree ... \n";
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| 172 | DEL_PTR(mBspTree);
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| 173 | cout << "done.\n";
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[752] | 174 |
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[1291] | 175 | cout << "Deleting kd tree...\n";
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| 176 | DEL_PTR(mKdTree);
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| 177 | cout << "done.\n";
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[752] | 178 |
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[1291] | 179 | cout << "Deleting hierarchy manager...\n";
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| 180 | DEL_PTR(mHierarchyManager);
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| 181 | cout << "done.\n";
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[1002] | 182 |
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[1291] | 183 | cout << "Deleting vspbsp tree...\n";
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| 184 | DEL_PTR(mVspBspTree);
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| 185 | cout << "done.\n";
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[1002] | 186 |
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[1291] | 187 | cout << "Deleting scene graph...\n";
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| 188 | DEL_PTR(mSceneGraph);
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| 189 | cout << "done.\n";
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| 190 |
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| 191 | DEL_PTR(mRenderSimulator);
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| 192 | DEL_PTR(renderer);
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[1523] | 193 | DEL_PTR(mRayCaster);
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[372] | 194 | }
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| 195 |
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[1521] | 196 |
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| 197 | GlRendererBuffer *Preprocessor::GetRenderer()
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| 198 | {
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| 199 | return renderer;
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| 200 | }
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| 201 |
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| 202 |
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| 203 | static int SplitFilenames(const string str, vector<string> &filenames)
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[387] | 204 | {
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| 205 | int pos = 0;
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| 206 |
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| 207 | while(1) {
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[469] | 208 | int npos = (int)str.find(';', pos);
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[387] | 209 |
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| 210 | if (npos < 0 || npos - pos < 1)
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| 211 | break;
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| 212 | filenames.push_back(string(str, pos, npos - pos));
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| 213 | pos = npos + 1;
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| 214 | }
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| 215 |
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| 216 | filenames.push_back(string(str, pos, str.size() - pos));
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[440] | 217 | return (int)filenames.size();
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[387] | 218 | }
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| 219 |
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[750] | 220 |
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[372] | 221 | bool
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| 222 | Preprocessor::LoadScene(const string filename)
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| 223 | {
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[925] | 224 | // use leaf nodes of the original spatial hierarchy as occludees
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[508] | 225 | mSceneGraph = new SceneGraph;
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[372] | 226 |
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[508] | 227 | Parser *parser;
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[387] | 228 | vector<string> filenames;
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[1404] | 229 | const int files = SplitFilenames(filename, filenames);
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[712] | 230 | cout << "number of input files: " << files << endl;
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[387] | 231 | bool result = false;
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[1344] | 232 |
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| 233 | // root for different files
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| 234 | mSceneGraph->SetRoot(new SceneGraphNode());
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| 235 |
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[1404] | 236 | // intel ray caster can only trace triangles
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[1520] | 237 | int rayCastMethod;
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| 238 | Environment::GetSingleton()->GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
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| 239 | vector<FaceParentInfo> *fi = (rayCastMethod == RayCaster::INTEL_RAYCASTER) ?
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[1404] | 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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[1486] | 329 | mViewCellsManager->ExportViewCells(filename, true, mObjects);
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| 330 | return true;
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[372] | 331 | }
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| 332 |
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[1486] | 333 |
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[372] | 334 | bool
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[871] | 335 | Preprocessor::PostProcessVisibility()
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| 336 | {
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| 337 |
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[904] | 338 | if (mApplyVisibilityFilter || mApplyVisibilitySpatialFilter) {
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[997] | 339 | cout<<"Applying visibility filter ...";
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[1002] | 340 | cout<<"filter width = " << mVisibilityFilterWidth << endl;
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[904] | 341 |
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[1002] | 342 | if (!mViewCellsManager)
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[1199] | 343 | return false;
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| 344 |
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[871] | 345 | mViewCellsManager->ApplyFilter(mKdTree,
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[904] | 346 | mApplyVisibilityFilter ? mVisibilityFilterWidth : -1.0f,
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| 347 | mApplyVisibilitySpatialFilter ? mVisibilityFilterWidth : -1.0f);
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[997] | 348 | cout << "done." << endl;
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[871] | 349 | }
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| 350 |
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| 351 | // export the preprocessed information to a file
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| 352 | if (mExportVisibility)
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[1486] | 353 | {
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| 354 | ExportPreprocessedData(mVisibilityFileName);
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| 355 | }
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| 356 |
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[871] | 357 | return true;
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| 358 | }
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| 359 |
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| 360 |
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| 361 | bool
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[372] | 362 | Preprocessor::BuildKdTree()
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| 363 | {
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| 364 | mKdTree = new KdTree;
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[1344] | 365 |
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[372] | 366 | // add mesh instances of the scene graph to the root of the tree
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| 367 | KdLeaf *root = (KdLeaf *)mKdTree->GetRoot();
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[1344] | 368 |
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[372] | 369 | mSceneGraph->CollectObjects(&root->mObjects);
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[1344] | 370 |
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[1415] | 371 | const long startTime = GetTime();
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[1201] | 372 | cout << "building kd tree ... " << endl;
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[1344] | 373 |
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[372] | 374 | mKdTree->Construct();
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[1344] | 375 |
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[1415] | 376 | cout << "finished kd tree construction in " << TimeDiff(startTime, GetTime()) * 1e-3
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| 377 | << " secs " << endl;
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[1344] | 378 |
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[372] | 379 | return true;
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| 380 | }
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| 381 |
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[1415] | 382 |
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[372] | 383 | void
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| 384 | Preprocessor::KdTreeStatistics(ostream &s)
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| 385 | {
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| 386 | s<<mKdTree->GetStatistics();
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| 387 | }
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| 388 |
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| 389 | void
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| 390 | Preprocessor::BspTreeStatistics(ostream &s)
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| 391 | {
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| 392 | s << mBspTree->GetStatistics();
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| 393 | }
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| 394 |
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| 395 | bool
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| 396 | Preprocessor::Export( const string filename,
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[492] | 397 | const bool scene,
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[1545] | 398 | const bool kdtree
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[492] | 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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[1545] | 404 | if (2 && scene)
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[1328] | 405 | exporter->ExportScene(mSceneGraph->GetRoot());
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[372] | 406 |
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[1545] | 407 | if (1 && 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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| 412 | delete exporter;
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| 413 | return true;
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| 414 | }
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| 415 |
|
---|
| 416 | return false;
|
---|
| 417 | }
|
---|
[429] | 418 |
|
---|
[508] | 419 |
|
---|
[463] | 420 | bool Preprocessor::PrepareViewCells()
|
---|
| 421 | {
|
---|
[1523] | 422 | ///////
|
---|
[577] | 423 | //-- parse view cells construction method
|
---|
[1563] | 424 |
|
---|
[1004] | 425 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", mLoadViewCells);
|
---|
[577] | 426 | char buf[100];
|
---|
| 427 |
|
---|
| 428 | if (mLoadViewCells)
|
---|
[997] | 429 | {
|
---|
[1004] | 430 | Environment::GetSingleton()->GetStringValue("ViewCells.filename", buf);
|
---|
[1264] | 431 | cout << "loading view cells from " << buf << endl;
|
---|
[1563] | 432 |
|
---|
[1004] | 433 | mViewCellsManager = ViewCellsManager::LoadViewCells(buf, &mObjects, true);
|
---|
[1563] | 434 |
|
---|
[1522] | 435 | if (!mViewCellsManager)
|
---|
| 436 | return false;
|
---|
[577] | 437 | }
|
---|
| 438 | else
|
---|
| 439 | {
|
---|
[1288] | 440 | // parse type of view cell container
|
---|
[1004] | 441 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
[1002] | 442 | mViewCellsManager = CreateViewCellsManager(buf);
|
---|
[1112] | 443 |
|
---|
| 444 | // default view space is the extent of the scene
|
---|
[1563] | 445 | AxisAlignedBox3 box = mSceneGraph->GetBox();
|
---|
| 446 |
|
---|
| 447 | if (0)
|
---|
| 448 | {
|
---|
| 449 | // use a small box outside of the scene
|
---|
| 450 | box.Scale(Vector3(0.1f,0.5f,0.5f));
|
---|
| 451 | box.Translate(Vector3(Magnitude(mSceneGraph->GetBox().Size())*0.5f, 0, 0));
|
---|
| 452 | }
|
---|
[1545] | 453 |
|
---|
[1563] | 454 | mViewCellsManager->SetViewSpaceBox(box);
|
---|
| 455 |
|
---|
[1545] | 456 | bool loadVcGeometry;
|
---|
| 457 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadGeometry", loadVcGeometry);
|
---|
| 458 |
|
---|
| 459 | bool extrudeBaseTriangles;
|
---|
| 460 | Environment::GetSingleton()->GetBoolValue("ViewCells.useBaseTrianglesAsGeometry", extrudeBaseTriangles);
|
---|
| 461 |
|
---|
| 462 | char vcGeomFilename[100];
|
---|
| 463 | Environment::GetSingleton()->GetStringValue("ViewCells.geometryFilename", vcGeomFilename);
|
---|
| 464 |
|
---|
| 465 | if (mViewCellsManager->GetType() == ViewCellsManager::BSP)
|
---|
| 466 | {
|
---|
| 467 | if (!mViewCellsManager->LoadViewCellsGeometry(vcGeomFilename, extrudeBaseTriangles))
|
---|
| 468 | {
|
---|
| 469 | cerr << "loading view cells geometry failed" << endl;
|
---|
| 470 | }
|
---|
| 471 | }
|
---|
| 472 | else
|
---|
| 473 | {
|
---|
| 474 | cerr << "loading view cells geometry is not implemented for this manager" << endl;
|
---|
| 475 | }
|
---|
[577] | 476 | }
|
---|
[1112] | 477 |
|
---|
[1486] | 478 | ////////
|
---|
[1523] | 479 | //-- evaluation of render cost heuristics
|
---|
[473] | 480 | float objRenderCost = 0, vcOverhead = 0, moveSpeed = 0;
|
---|
| 481 |
|
---|
[1004] | 482 | Environment::GetSingleton()->GetFloatValue("Simulation.objRenderCost",objRenderCost);
|
---|
| 483 | Environment::GetSingleton()->GetFloatValue("Simulation.vcOverhead", vcOverhead);
|
---|
| 484 | Environment::GetSingleton()->GetFloatValue("Simulation.moveSpeed", moveSpeed);
|
---|
[694] | 485 |
|
---|
[473] | 486 | mRenderSimulator =
|
---|
| 487 | new RenderSimulator(mViewCellsManager, objRenderCost, vcOverhead, moveSpeed);
|
---|
[440] | 488 |
|
---|
[480] | 489 | mViewCellsManager->SetRenderer(mRenderSimulator);
|
---|
[440] | 490 |
|
---|
[574] | 491 |
|
---|
[538] | 492 | if (mUseGlRenderer || mUseGlDebugger)
|
---|
[540] | 493 | {
|
---|
| 494 | // NOTE: render texture should be power of 2 and square
|
---|
| 495 | // renderer must be initialised
|
---|
[1145] | 496 | // $$matt
|
---|
| 497 | // renderer = new GlRendererBuffer(1024, 768, mSceneGraph, mViewCellsManager, mKdTree);
|
---|
[556] | 498 | // renderer->makeCurrent();
|
---|
[746] | 499 |
|
---|
[540] | 500 | }
|
---|
[496] | 501 |
|
---|
[463] | 502 | return true;
|
---|
[490] | 503 | }
|
---|
| 504 |
|
---|
[1292] | 505 |
|
---|
[1563] | 506 | bool Preprocessor::ConstructViewCells()
|
---|
[1292] | 507 | {
|
---|
| 508 | // construct view cells using it's own set of samples
|
---|
| 509 | mViewCellsManager->Construct(this);
|
---|
[1486] | 510 |
|
---|
| 511 | // visualizations and statistics
|
---|
| 512 | Debug << "finished view cells:" << endl;
|
---|
[1292] | 513 | mViewCellsManager->PrintStatistics(Debug);
|
---|
[1486] | 514 |
|
---|
| 515 | return true;
|
---|
[1292] | 516 | }
|
---|
[490] | 517 |
|
---|
[1294] | 518 |
|
---|
[1288] | 519 | HierarchyManager *Preprocessor::CreateHierarchyManager(const char *name)
|
---|
| 520 | {
|
---|
| 521 | HierarchyManager *hierarchyManager;
|
---|
| 522 |
|
---|
| 523 | if (strcmp(name, "osp") == 0)
|
---|
| 524 | {
|
---|
[1291] | 525 | Debug << "hierarchy manager: osp" << endl;
|
---|
[1288] | 526 | // HACK for testing if per kd evaluation works!!
|
---|
[1293] | 527 | const bool ishack = false;
|
---|
[1288] | 528 | if (ishack)
|
---|
[1421] | 529 | hierarchyManager = new HierarchyManager(mKdTree);
|
---|
[1288] | 530 | else
|
---|
[1421] | 531 | hierarchyManager = new HierarchyManager(HierarchyManager::KD_BASED_OBJ_SUBDIV);
|
---|
[1288] | 532 | }
|
---|
| 533 | else if (strcmp(name, "bvh") == 0)
|
---|
| 534 | {
|
---|
[1291] | 535 | Debug << "hierarchy manager: bvh" << endl;
|
---|
[1421] | 536 | hierarchyManager = new HierarchyManager(HierarchyManager::BV_BASED_OBJ_SUBDIV);
|
---|
[1288] | 537 | }
|
---|
[1291] | 538 | else // only view space partition
|
---|
| 539 | {
|
---|
| 540 | Debug << "hierarchy manager: obj" << endl;
|
---|
[1421] | 541 | hierarchyManager = new HierarchyManager(HierarchyManager::NO_OBJ_SUBDIV);
|
---|
[1291] | 542 | }
|
---|
[1288] | 543 |
|
---|
| 544 | return hierarchyManager;
|
---|
| 545 | }
|
---|
| 546 |
|
---|
| 547 |
|
---|
[575] | 548 | ViewCellsManager *Preprocessor::CreateViewCellsManager(const char *name)
|
---|
| 549 | {
|
---|
[1264] | 550 | ViewCellsTree *vcTree = new ViewCellsTree;
|
---|
| 551 |
|
---|
[575] | 552 | if (strcmp(name, "kdTree") == 0)
|
---|
| 553 | {
|
---|
[1264] | 554 | mViewCellsManager = new KdViewCellsManager(vcTree, mKdTree);
|
---|
[575] | 555 | }
|
---|
| 556 | else if (strcmp(name, "bspTree") == 0)
|
---|
| 557 | {
|
---|
| 558 | Debug << "view cell type: Bsp" << endl;
|
---|
| 559 |
|
---|
[577] | 560 | mBspTree = new BspTree();
|
---|
[1264] | 561 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
[575] | 562 | }
|
---|
| 563 | else if (strcmp(name, "vspBspTree") == 0)
|
---|
| 564 | {
|
---|
| 565 | Debug << "view cell type: VspBsp" << endl;
|
---|
| 566 |
|
---|
[1004] | 567 | mVspBspTree = new VspBspTree();
|
---|
[1264] | 568 | mViewCellsManager = new VspBspViewCellsManager(vcTree, mVspBspTree);
|
---|
[575] | 569 | }
|
---|
[1006] | 570 | else if (strcmp(name, "vspOspTree") == 0)
|
---|
[575] | 571 | {
|
---|
[1421] | 572 | Debug << "view cell type: VspOsp" << endl;
|
---|
[1288] | 573 | char buf[100];
|
---|
| 574 | Environment::GetSingleton()->GetStringValue("Hierarchy.type", buf);
|
---|
[1022] | 575 |
|
---|
[1288] | 576 | HierarchyManager *mHierarchyManager = CreateHierarchyManager(buf);
|
---|
[1279] | 577 | mViewCellsManager = new VspOspViewCellsManager(vcTree, mHierarchyManager);
|
---|
[575] | 578 | }
|
---|
[1421] | 579 | else if (strcmp(name, "sceneDependent") == 0) //TODO
|
---|
[575] | 580 | {
|
---|
[1143] | 581 | Debug << "view cell type: Bsp" << endl;
|
---|
[1421] | 582 |
|
---|
[575] | 583 | mBspTree = new BspTree();
|
---|
[1264] | 584 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
[575] | 585 | }
|
---|
| 586 | else
|
---|
| 587 | {
|
---|
[664] | 588 | cerr << "Wrong view cells type " << name << "!!!" << endl;
|
---|
[575] | 589 | exit(1);
|
---|
| 590 | }
|
---|
| 591 |
|
---|
| 592 | return mViewCellsManager;
|
---|
| 593 | }
|
---|
| 594 |
|
---|
| 595 |
|
---|
[491] | 596 | // use ascii format to store rays
|
---|
| 597 | #define USE_ASCII 0
|
---|
| 598 |
|
---|
| 599 |
|
---|
[1145] | 600 | static inline bool ilt(Intersectable *obj1, Intersectable *obj2)
|
---|
[490] | 601 | {
|
---|
| 602 | return obj1->mId < obj2->mId;
|
---|
| 603 | }
|
---|
| 604 |
|
---|
| 605 |
|
---|
[1414] | 606 | bool Preprocessor::LoadKdTree(const string filename)
|
---|
[1197] | 607 | {
|
---|
[1414] | 608 | mKdTree = new KdTree();
|
---|
| 609 | return mKdTree->LoadBinTree(filename.c_str(), mObjects);
|
---|
[1197] | 610 | }
|
---|
| 611 |
|
---|
[1414] | 612 |
|
---|
| 613 | bool Preprocessor::ExportKdTree(const string filename)
|
---|
[1197] | 614 | {
|
---|
[1414] | 615 | return mKdTree->ExportBinTree(filename.c_str());
|
---|
[1197] | 616 | }
|
---|
| 617 |
|
---|
| 618 |
|
---|
[490] | 619 | bool Preprocessor::LoadSamples(VssRayContainer &samples,
|
---|
| 620 | ObjectContainer &objects) const
|
---|
| 621 | {
|
---|
| 622 | std::stable_sort(objects.begin(), objects.end(), ilt);
|
---|
| 623 | char fileName[100];
|
---|
[1004] | 624 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
[490] | 625 |
|
---|
[491] | 626 | Vector3 origin, termination;
|
---|
| 627 | // HACK: needed only for lower_bound algorithm to find the
|
---|
| 628 | // intersected objects
|
---|
| 629 | MeshInstance sObj(NULL);
|
---|
| 630 | MeshInstance tObj(NULL);
|
---|
[490] | 631 |
|
---|
[491] | 632 | #if USE_ASCII
|
---|
[656] | 633 | ifstream samplesIn(fileName);
|
---|
[490] | 634 | if (!samplesIn.is_open())
|
---|
| 635 | return false;
|
---|
| 636 |
|
---|
| 637 | string buf;
|
---|
| 638 | while (!(getline(samplesIn, buf)).eof())
|
---|
| 639 | {
|
---|
[491] | 640 | sscanf(buf.c_str(), "%f %f %f %f %f %f %d %d",
|
---|
[490] | 641 | &origin.x, &origin.y, &origin.z,
|
---|
[491] | 642 | &termination.x, &termination.y, &termination.z,
|
---|
| 643 | &(sObj.mId), &(tObj.mId));
|
---|
[490] | 644 |
|
---|
[491] | 645 | Intersectable *sourceObj = NULL;
|
---|
| 646 | Intersectable *termObj = NULL;
|
---|
| 647 |
|
---|
| 648 | if (sObj.mId >= 0)
|
---|
[490] | 649 | {
|
---|
| 650 | ObjectContainer::iterator oit =
|
---|
[491] | 651 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 652 | sourceObj = *oit;
|
---|
| 653 | }
|
---|
| 654 |
|
---|
| 655 | if (tObj.mId >= 0)
|
---|
| 656 | {
|
---|
| 657 | ObjectContainer::iterator oit =
|
---|
| 658 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 659 | termObj = *oit;
|
---|
| 660 | }
|
---|
[490] | 661 |
|
---|
[491] | 662 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
| 663 | }
|
---|
| 664 | #else
|
---|
| 665 | ifstream samplesIn(fileName, ios::binary);
|
---|
| 666 | if (!samplesIn.is_open())
|
---|
| 667 | return false;
|
---|
| 668 |
|
---|
| 669 | while (1)
|
---|
| 670 | {
|
---|
| 671 | samplesIn.read(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 672 | samplesIn.read(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 673 | samplesIn.read(reinterpret_cast<char *>(&(sObj.mId)), sizeof(int));
|
---|
| 674 | samplesIn.read(reinterpret_cast<char *>(&(tObj.mId)), sizeof(int));
|
---|
| 675 |
|
---|
| 676 | if (samplesIn.eof())
|
---|
| 677 | break;
|
---|
| 678 |
|
---|
| 679 | Intersectable *sourceObj = NULL;
|
---|
| 680 | Intersectable *termObj = NULL;
|
---|
| 681 |
|
---|
| 682 | if (sObj.mId >= 0)
|
---|
| 683 | {
|
---|
| 684 | ObjectContainer::iterator oit =
|
---|
| 685 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 686 | sourceObj = *oit;
|
---|
[490] | 687 | }
|
---|
[491] | 688 |
|
---|
| 689 | if (tObj.mId >= 0)
|
---|
[490] | 690 | {
|
---|
[491] | 691 | ObjectContainer::iterator oit =
|
---|
| 692 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 693 | termObj = *oit;
|
---|
[490] | 694 | }
|
---|
[491] | 695 |
|
---|
| 696 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
[490] | 697 | }
|
---|
[491] | 698 |
|
---|
| 699 | #endif
|
---|
[490] | 700 | samplesIn.close();
|
---|
| 701 |
|
---|
| 702 | return true;
|
---|
| 703 | }
|
---|
| 704 |
|
---|
[508] | 705 |
|
---|
| 706 | bool Preprocessor::ExportSamples(const VssRayContainer &samples) const
|
---|
[490] | 707 | {
|
---|
[491] | 708 | char fileName[100];
|
---|
[1004] | 709 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
[491] | 710 |
|
---|
[490] | 711 |
|
---|
| 712 | VssRayContainer::const_iterator it, it_end = samples.end();
|
---|
| 713 |
|
---|
[491] | 714 | #if USE_ASCII
|
---|
| 715 | ofstream samplesOut(fileName);
|
---|
[490] | 716 | if (!samplesOut.is_open())
|
---|
| 717 | return false;
|
---|
| 718 |
|
---|
| 719 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 720 | {
|
---|
| 721 | VssRay *ray = *it;
|
---|
[491] | 722 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 723 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 724 |
|
---|
[490] | 725 | samplesOut << ray->GetOrigin().x << " " << ray->GetOrigin().y << " " << ray->GetOrigin().z << " "
|
---|
| 726 | << ray->GetTermination().x << " " << ray->GetTermination().y << " " << ray->GetTermination().z << " "
|
---|
[491] | 727 | << sourceid << " " << termid << "\n";
|
---|
[490] | 728 | }
|
---|
[491] | 729 | #else
|
---|
| 730 | ofstream samplesOut(fileName, ios::binary);
|
---|
| 731 | if (!samplesOut.is_open())
|
---|
| 732 | return false;
|
---|
| 733 |
|
---|
| 734 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 735 | {
|
---|
| 736 | VssRay *ray = *it;
|
---|
| 737 | Vector3 origin(ray->GetOrigin());
|
---|
| 738 | Vector3 termination(ray->GetTermination());
|
---|
| 739 |
|
---|
| 740 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 741 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 742 |
|
---|
| 743 | samplesOut.write(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 744 | samplesOut.write(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 745 | samplesOut.write(reinterpret_cast<char *>(&sourceid), sizeof(int));
|
---|
| 746 | samplesOut.write(reinterpret_cast<char *>(&termid), sizeof(int));
|
---|
| 747 | }
|
---|
| 748 | #endif
|
---|
[490] | 749 | samplesOut.close();
|
---|
[1194] | 750 |
|
---|
[490] | 751 | return true;
|
---|
| 752 | }
|
---|
[563] | 753 |
|
---|
[1020] | 754 | bool Preprocessor::GenerateRays(const int number,
|
---|
| 755 | const int sampleType,
|
---|
| 756 | SimpleRayContainer &rays)
|
---|
| 757 | {
|
---|
| 758 | const int startSize = (int)rays.size();
|
---|
| 759 | SamplingStrategy *strategy = GenerateSamplingStrategy(sampleType);
|
---|
[860] | 760 |
|
---|
[1020] | 761 | if (!strategy)
|
---|
[1381] | 762 | {
|
---|
[1020] | 763 | return false;
|
---|
[1381] | 764 | }
|
---|
[1020] | 765 |
|
---|
| 766 | for (int i=0; (int)rays.size() - startSize < number; ++ i)
|
---|
| 767 | {
|
---|
| 768 | SimpleRay newRay;
|
---|
| 769 |
|
---|
[1381] | 770 | if (strategy->GenerateSample(newRay))
|
---|
| 771 | {
|
---|
| 772 | #if 1
|
---|
[1020] | 773 | rays.AddRay(newRay);
|
---|
[1381] | 774 | #else
|
---|
| 775 | GenerateRayBundle(rays, newRay, 16, 0);
|
---|
| 776 | #endif
|
---|
| 777 | }
|
---|
[1020] | 778 | }
|
---|
| 779 |
|
---|
| 780 | delete strategy;
|
---|
| 781 | return true;
|
---|
[878] | 782 | }
|
---|
[1020] | 783 |
|
---|
| 784 |
|
---|
| 785 | SamplingStrategy *Preprocessor::GenerateSamplingStrategy(const int strategyId) const
|
---|
| 786 | {
|
---|
| 787 | switch (strategyId)
|
---|
| 788 | {
|
---|
[1520] | 789 | case SamplingStrategy::OBJECT_BASED_DISTRIBUTION:
|
---|
[1020] | 790 | return new ObjectBasedDistribution(*this);
|
---|
[1520] | 791 | case SamplingStrategy::OBJECT_DIRECTION_BASED_DISTRIBUTION:
|
---|
[1020] | 792 | return new ObjectDirectionBasedDistribution(*this);
|
---|
[1520] | 793 | case SamplingStrategy::DIRECTION_BASED_DISTRIBUTION:
|
---|
[1020] | 794 | return new DirectionBasedDistribution(*this);
|
---|
[1520] | 795 | case SamplingStrategy::DIRECTION_BOX_BASED_DISTRIBUTION:
|
---|
[1020] | 796 | return new DirectionBoxBasedDistribution(*this);
|
---|
[1520] | 797 | case SamplingStrategy::SPATIAL_BOX_BASED_DISTRIBUTION:
|
---|
[1020] | 798 | return new SpatialBoxBasedDistribution(*this);
|
---|
[1021] | 799 | //case OBJECTS_INTERIOR_DISTRIBUTION:
|
---|
| 800 | // return new ObjectsInteriorDistribution(*this);
|
---|
[1020] | 801 | default: // no valid strategy
|
---|
[1279] | 802 | Debug << "warning: no valid sampling strategy" << endl;
|
---|
[1020] | 803 | return NULL;
|
---|
| 804 | }
|
---|
[1221] | 805 |
|
---|
[1020] | 806 | // should never come here
|
---|
| 807 | return NULL;
|
---|
| 808 | }
|
---|
| 809 |
|
---|
| 810 |
|
---|
[1418] | 811 | bool Preprocessor::InitRayCast(const string externKdTree, const string internkdtree)
|
---|
[1221] | 812 | {
|
---|
[1418] | 813 | bool loadKdTree;
|
---|
[1415] | 814 | Environment::GetSingleton()->GetBoolValue("Preprocessor.loadKdTree", loadKdTree);
|
---|
| 815 |
|
---|
| 816 | if (!loadKdTree)
|
---|
[1418] | 817 | {
|
---|
[1415] | 818 | //-- build new kd tree from scene geometry
|
---|
| 819 | BuildKdTree();
|
---|
| 820 | KdTreeStatistics(cout);
|
---|
| 821 | }
|
---|
| 822 | else
|
---|
| 823 | {
|
---|
| 824 | const long startTime = GetTime();
|
---|
[1418] | 825 | cout << "loading kd tree file " << internkdtree << " ... ";
|
---|
[1415] | 826 |
|
---|
[1418] | 827 | if (!LoadKdTree(internkdtree))
|
---|
[1415] | 828 | {
|
---|
[1418] | 829 | cout << "error loading kd tree with filename " << internkdtree << ", rebuilding it instead ..." << endl;
|
---|
| 830 |
|
---|
| 831 | BuildKdTree();
|
---|
| 832 | KdTreeStatistics(cout);
|
---|
[1415] | 833 | }
|
---|
[1416] | 834 |
|
---|
[1415] | 835 | cout << "finished in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
| 836 |
|
---|
| 837 | if (0)
|
---|
| 838 | {
|
---|
| 839 | Exporter *exporter = Exporter::GetExporter("dummykd.x3d");
|
---|
| 840 |
|
---|
| 841 | if (exporter)
|
---|
| 842 | {
|
---|
| 843 | exporter->ExportKdTree(*mKdTree, true);
|
---|
| 844 | delete exporter;
|
---|
| 845 | }
|
---|
| 846 | }
|
---|
| 847 | }
|
---|
| 848 |
|
---|
[1520] | 849 | int rayCastMethod;
|
---|
| 850 | Environment::GetSingleton()->GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
|
---|
| 851 |
|
---|
| 852 | if (rayCastMethod == 0)
|
---|
[1221] | 853 | {
|
---|
[1520] | 854 | mRayCaster = new InternalRayCaster(*this, mKdTree);
|
---|
| 855 | cout << "ray cast method: internal" << endl;
|
---|
[1221] | 856 | }
|
---|
[1251] | 857 | else
|
---|
[1520] | 858 | {
|
---|
[1524] | 859 | #ifdef GTP_INTERNAL
|
---|
[1520] | 860 | mRayCaster = new IntelRayCaster(*this, externKdTree);
|
---|
| 861 | cout << "ray cast method: intel" << endl;
|
---|
[1524] | 862 | #endif
|
---|
[1251] | 863 | }
|
---|
| 864 |
|
---|
[1520] | 865 | return true;
|
---|
[1281] | 866 | }
|
---|
| 867 |
|
---|
[1292] | 868 |
|
---|
[1281] | 869 | void
|
---|
| 870 | Preprocessor::CastRays(
|
---|
| 871 | SimpleRayContainer &rays,
|
---|
[1520] | 872 | VssRayContainer &vssRays,
|
---|
[1528] | 873 | const bool castDoubleRays,
|
---|
| 874 | const bool pruneInvalidRays
|
---|
[1281] | 875 | )
|
---|
| 876 | {
|
---|
[1524] | 877 | const long t1 = GetTime();
|
---|
[1344] | 878 |
|
---|
[1524] | 879 | for (int i = 0; i < (int)rays.size();)
|
---|
[1292] | 880 | {
|
---|
[1524] | 881 | if (i + 16 < (int)rays.size())
|
---|
[1520] | 882 | {
|
---|
[1524] | 883 | mRayCaster->CastRays16(
|
---|
| 884 | i,
|
---|
| 885 | rays,
|
---|
| 886 | vssRays,
|
---|
| 887 | mViewCellsManager->GetViewSpaceBox(),
|
---|
[1528] | 888 | castDoubleRays,
|
---|
| 889 | pruneInvalidRays);
|
---|
[1524] | 890 | i += 16;
|
---|
[1292] | 891 | }
|
---|
[1524] | 892 | else
|
---|
| 893 | {
|
---|
| 894 | mRayCaster->CastRay(
|
---|
[1528] | 895 | rays[i],
|
---|
[1524] | 896 | vssRays,
|
---|
| 897 | mViewCellsManager->GetViewSpaceBox(),
|
---|
[1528] | 898 | castDoubleRays,
|
---|
| 899 | pruneInvalidRays);
|
---|
[1524] | 900 | i ++;
|
---|
| 901 | }
|
---|
| 902 | }
|
---|
[1294] | 903 |
|
---|
[1524] | 904 | #if DEBUB_RAYCAST
|
---|
| 905 | long t2 = GetTime();
|
---|
| 906 | if (i % 10000 == 0)
|
---|
| 907 | cout<<".";
|
---|
[1286] | 908 |
|
---|
[1524] | 909 | if (castDoubleRays)
|
---|
| 910 | cout << 2 * rays.size() / (1e3f * TimeDiff(t1, t2)) << "M rays/s" << endl;
|
---|
| 911 | else
|
---|
| 912 | cout << rays.size() / (1e3f * TimeDiff(t1, t2)) << "M rays/s" << endl;
|
---|
| 913 | #endif
|
---|
[1251] | 914 | }
|
---|
| 915 |
|
---|
| 916 |
|
---|
[1381] | 917 | bool Preprocessor::GenerateRayBundle(SimpleRayContainer &rayBundle,
|
---|
| 918 | const SimpleRay &mainRay,
|
---|
| 919 | const int number,
|
---|
| 920 | const int pertubType) const
|
---|
| 921 | {
|
---|
| 922 | rayBundle.push_back(mainRay);
|
---|
| 923 |
|
---|
| 924 | const float pertubOrigin = 10.0f;
|
---|
| 925 | const float pertubDir = 0.0f;
|
---|
| 926 |
|
---|
| 927 | for (int i = 0; i < number - 1; ++ i)
|
---|
| 928 | {
|
---|
| 929 | Vector3 pertub;
|
---|
| 930 |
|
---|
| 931 | pertub.x = RandomValue(0.0f, pertubDir);
|
---|
| 932 | pertub.y = RandomValue(0.0f, pertubDir);
|
---|
| 933 | pertub.z = RandomValue(0.0f, pertubDir);
|
---|
| 934 | const Vector3 newDir = mainRay.mDirection + pertub;
|
---|
| 935 | //const Vector3 newDir = mainRay.mDirection;
|
---|
| 936 |
|
---|
| 937 | pertub.x = RandomValue(0.0f, pertubOrigin);
|
---|
| 938 | pertub.y = RandomValue(0.0f, pertubOrigin);
|
---|
| 939 | pertub.z = RandomValue(0.0f, pertubOrigin);
|
---|
| 940 | const Vector3 newOrigin = mainRay.mOrigin + pertub;
|
---|
| 941 | //const Vector3 newOrigin = mainRay.mOrigin;
|
---|
| 942 |
|
---|
| 943 | rayBundle.push_back(SimpleRay(newOrigin, newDir, 0));
|
---|
| 944 | }
|
---|
| 945 |
|
---|
| 946 | return true;
|
---|
| 947 | }
|
---|
| 948 |
|
---|
| 949 |
|
---|
[1251] | 950 | void Preprocessor::SetupRay(Ray &ray,
|
---|
| 951 | const Vector3 &point,
|
---|
| 952 | const Vector3 &direction
|
---|
[1520] | 953 | ) const
|
---|
[1251] | 954 | {
|
---|
| 955 | ray.Clear();
|
---|
| 956 | // do not store anything else then intersections at the ray
|
---|
| 957 | ray.Init(point, direction, Ray::LOCAL_RAY);
|
---|
| 958 | }
|
---|
| 959 |
|
---|
[1520] | 960 |
|
---|
[1251] | 961 | }
|
---|