[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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[1584] | 27 | #define SHOW_RAYCAST_TIMING 1
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[1292] | 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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[492] | 34 |
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[1001] | 35 | // HACK: Artificially modify scene to watch rendercost changes
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[750] | 36 | static void AddGeometry(SceneGraph *scene)
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| 37 | {
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[1328] | 38 | scene->GetRoot()->UpdateBox();
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[752] | 39 |
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[750] | 40 | AxisAlignedBox3 sceneBox = scene->GetBox();
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| 41 |
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| 42 | int n = 200;
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| 43 |
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[1291] | 44 | if (0)
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[750] | 45 | {
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[1291] | 46 | // form grid of boxes
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| 47 | for (int i = 0; i < n; ++ i)
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[750] | 48 | {
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[1291] | 49 | for (int j = 0; j < n; ++ j)
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| 50 | {
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| 51 | 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] | 52 |
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[1291] | 53 | const Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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| 54 |
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| 55 | const Vector3 boxSize = sceneBox.Size() * Vector3(0.0025f, 0.01f, 0.0025f);
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| 56 | AxisAlignedBox3 box(pt2, pt2 + boxSize);
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| 57 | Mesh *mesh = CreateMeshFromBox(box);
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| 58 |
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| 59 | mesh->Preprocess();
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| 60 |
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| 61 | MeshInstance *mi = new MeshInstance(mesh);
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[1328] | 62 | scene->GetRoot()->mGeometry.push_back(mi);
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[1291] | 63 | }
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[750] | 64 | }
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| 65 |
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[1291] | 66 | for (int i = 0; i < n; ++ i)
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[750] | 67 | {
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[1291] | 68 | for (int j = 0; j < n; ++ j)
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| 69 | {
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| 70 | const Vector3 scale2(0.15f, (float)j * 0.8f / n + 0.1f, (float)i * 0.8f / (float)n + 0.1f);
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| 71 |
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| 72 | Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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| 73 |
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| 74 | Vector3 boxSize = sceneBox.Size() * Vector3(0.0025f, 0.01f, 0.0025f);
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| 75 | AxisAlignedBox3 box(pt2, pt2 + boxSize);
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| 76 | Mesh *mesh = CreateMeshFromBox(box);
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| 77 |
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| 78 | mesh->Preprocess();
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| 79 |
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| 80 | MeshInstance *mi = new MeshInstance(mesh);
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[1328] | 81 | scene->GetRoot()->mGeometry.push_back(mi);
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[1291] | 82 | }
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| 83 | }
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| 84 |
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| 85 | for (int i = 0; i < n; ++ i)
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| 86 | {
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| 87 | const Vector3 scale2(2, 0.2f, (float)i * 0.8f / (float)n + 0.1f);
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| 88 |
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[750] | 89 | Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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[1291] | 90 |
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| 91 | //Vector3 boxSize = sceneBox.Size() * Vector3(0.0025, 0.01, 0.0025);
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| 92 | Vector3 boxSize = sceneBox.Size() * Vector3(0.005f, 0.02f, 0.005f);
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| 93 |
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| 94 | AxisAlignedBox3 box(pt2 + 0.1f, pt2 + boxSize);
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[991] | 95 | Mesh *mesh = CreateMeshFromBox(box);
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[750] | 96 |
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| 97 | mesh->Preprocess();
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[1291] | 98 |
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[750] | 99 | MeshInstance *mi = new MeshInstance(mesh);
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[1328] | 100 | scene->GetRoot()->mGeometry.push_back(mi);
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[750] | 101 | }
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[1291] | 102 |
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[1328] | 103 | scene->GetRoot()->UpdateBox();
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[750] | 104 | }
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| 105 |
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[840] | 106 | if (1)
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| 107 | {
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[1221] | 108 | // plane separating view space regions
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[1135] | 109 | const Vector3 scale(1.0f, 0.0, 0);
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[750] | 110 |
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[840] | 111 | Vector3 pt = sceneBox.Min() + scale * (sceneBox.Max() - sceneBox.Min());
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[750] | 112 |
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[840] | 113 | Plane3 cuttingPlane(Vector3(1, 0, 0), pt);
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| 114 | Mesh *planeMesh = new Mesh();
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[1291] | 115 |
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[840] | 116 | Polygon3 *poly = sceneBox.CrossSection(cuttingPlane);
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| 117 | IncludePolyInMesh(*poly, *planeMesh);
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[1291] | 118 |
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[840] | 119 | planeMesh->Preprocess();
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[1291] | 120 |
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[840] | 121 | MeshInstance *planeMi = new MeshInstance(planeMesh);
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[1328] | 122 | scene->GetRoot()->mGeometry.push_back(planeMi);
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[840] | 123 | }
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[750] | 124 | }
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| 125 |
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| 126 |
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[372] | 127 | Preprocessor::Preprocessor():
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| 128 | mKdTree(NULL),
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[409] | 129 | mBspTree(NULL),
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[445] | 130 | mVspBspTree(NULL),
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[1279] | 131 | mHierarchyManager(NULL),
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[1002] | 132 | mViewCellsManager(NULL),
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[1251] | 133 | mRenderSimulator(NULL),
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[1279] | 134 | mPass(0),
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[1520] | 135 | mSceneGraph(NULL),
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[1613] | 136 | mRayCaster(NULL),
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| 137 | mStopComputation(false)
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[308] | 138 | {
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[1004] | 139 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlRenderer", mUseGlRenderer);
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[538] | 140 |
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[840] | 141 | // renderer will be constructed when the scene graph and viewcell manager will be known
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| 142 | renderer = NULL;
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[496] | 143 |
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[1613] | 144 | Environment::GetSingleton()->GetBoolValue("Preprocessor.delayVisibilityComputation",
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| 145 | mDelayVisibilityComputation);
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| 146 |
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[1004] | 147 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlDebugger", mUseGlDebugger);
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[1379] | 148 | Environment::GetSingleton()->GetBoolValue("Preprocessor.loadMeshes", mLoadMeshes);
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[1004] | 149 | Environment::GetSingleton()->GetBoolValue("Preprocessor.quitOnFinish", mQuitOnFinish);
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| 150 | Environment::GetSingleton()->GetBoolValue("Preprocessor.computeVisibility", mComputeVisibility);
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| 151 | Environment::GetSingleton()->GetBoolValue("Preprocessor.detectEmptyViewSpace", mDetectEmptyViewSpace);
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| 152 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportVisibility", mExportVisibility );
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[1520] | 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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[372] | 165 | }
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| 166 |
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| 167 |
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| 168 | Preprocessor::~Preprocessor()
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| 169 | {
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[1291] | 170 | cout << "cleaning up" << endl;
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[752] | 171 |
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[1291] | 172 | cout << "Deleting view cells manager ... \n";
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| 173 | DEL_PTR(mViewCellsManager);
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| 174 | cout << "done.\n";
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[752] | 175 |
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[1291] | 176 | cout << "Deleting bsp tree ... \n";
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| 177 | DEL_PTR(mBspTree);
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| 178 | cout << "done.\n";
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[752] | 179 |
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[1291] | 180 | cout << "Deleting kd tree...\n";
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| 181 | DEL_PTR(mKdTree);
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| 182 | cout << "done.\n";
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[752] | 183 |
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[1291] | 184 | cout << "Deleting hierarchy manager...\n";
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| 185 | DEL_PTR(mHierarchyManager);
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| 186 | cout << "done.\n";
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[1002] | 187 |
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[1291] | 188 | cout << "Deleting vspbsp tree...\n";
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| 189 | DEL_PTR(mVspBspTree);
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| 190 | cout << "done.\n";
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[1002] | 191 |
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[1291] | 192 | cout << "Deleting scene graph...\n";
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| 193 | DEL_PTR(mSceneGraph);
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| 194 | cout << "done.\n";
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| 195 |
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| 196 | DEL_PTR(mRenderSimulator);
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| 197 | DEL_PTR(renderer);
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[1523] | 198 | DEL_PTR(mRayCaster);
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[372] | 199 | }
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| 200 |
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[1521] | 201 |
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| 202 | GlRendererBuffer *Preprocessor::GetRenderer()
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| 203 | {
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| 204 | return renderer;
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| 205 | }
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| 206 |
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| 207 |
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| 208 | static int SplitFilenames(const string str, vector<string> &filenames)
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[387] | 209 | {
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| 210 | int pos = 0;
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| 211 |
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| 212 | while(1) {
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[469] | 213 | int npos = (int)str.find(';', pos);
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[387] | 214 |
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| 215 | if (npos < 0 || npos - pos < 1)
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| 216 | break;
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| 217 | filenames.push_back(string(str, pos, npos - pos));
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| 218 | pos = npos + 1;
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| 219 | }
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| 220 |
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| 221 | filenames.push_back(string(str, pos, str.size() - pos));
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[440] | 222 | return (int)filenames.size();
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[387] | 223 | }
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| 224 |
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[750] | 225 |
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[372] | 226 | bool
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| 227 | Preprocessor::LoadScene(const string filename)
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| 228 | {
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[925] | 229 | // use leaf nodes of the original spatial hierarchy as occludees
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[508] | 230 | mSceneGraph = new SceneGraph;
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[372] | 231 |
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[508] | 232 | Parser *parser;
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[387] | 233 | vector<string> filenames;
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[1404] | 234 | const int files = SplitFilenames(filename, filenames);
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[712] | 235 | cout << "number of input files: " << files << endl;
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[387] | 236 | bool result = false;
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[1344] | 237 |
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| 238 | // root for different files
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| 239 | mSceneGraph->SetRoot(new SceneGraphNode());
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| 240 |
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[1404] | 241 | // intel ray caster can only trace triangles
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[1520] | 242 | int rayCastMethod;
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| 243 | Environment::GetSingleton()->GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
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| 244 | vector<FaceParentInfo> *fi = (rayCastMethod == RayCaster::INTEL_RAYCASTER) ?
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[1404] | 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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[1486] | 334 | mViewCellsManager->ExportViewCells(filename, true, mObjects);
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| 335 | return true;
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[372] | 336 | }
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| 337 |
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[1486] | 338 |
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[372] | 339 | bool
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[871] | 340 | Preprocessor::PostProcessVisibility()
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| 341 | {
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| 342 |
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[904] | 343 | if (mApplyVisibilityFilter || mApplyVisibilitySpatialFilter) {
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[997] | 344 | cout<<"Applying visibility filter ...";
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[1002] | 345 | cout<<"filter width = " << mVisibilityFilterWidth << endl;
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[904] | 346 |
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[1002] | 347 | if (!mViewCellsManager)
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[1199] | 348 | return false;
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| 349 |
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[871] | 350 | mViewCellsManager->ApplyFilter(mKdTree,
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[904] | 351 | mApplyVisibilityFilter ? mVisibilityFilterWidth : -1.0f,
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| 352 | mApplyVisibilitySpatialFilter ? mVisibilityFilterWidth : -1.0f);
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[997] | 353 | cout << "done." << endl;
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[871] | 354 | }
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| 355 |
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| 356 | // export the preprocessed information to a file
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| 357 | if (mExportVisibility)
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[1486] | 358 | {
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| 359 | ExportPreprocessedData(mVisibilityFileName);
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| 360 | }
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| 361 |
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[871] | 362 | return true;
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| 363 | }
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| 364 |
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| 365 |
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| 366 | bool
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[372] | 367 | Preprocessor::BuildKdTree()
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| 368 | {
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| 369 | mKdTree = new KdTree;
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[1344] | 370 |
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[372] | 371 | // add mesh instances of the scene graph to the root of the tree
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| 372 | KdLeaf *root = (KdLeaf *)mKdTree->GetRoot();
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[1344] | 373 |
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[372] | 374 | mSceneGraph->CollectObjects(&root->mObjects);
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[1344] | 375 |
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[1415] | 376 | const long startTime = GetTime();
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[1201] | 377 | cout << "building kd tree ... " << endl;
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[1344] | 378 |
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[372] | 379 | mKdTree->Construct();
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[1344] | 380 |
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[1415] | 381 | cout << "finished kd tree construction in " << TimeDiff(startTime, GetTime()) * 1e-3
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| 382 | << " secs " << endl;
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[1344] | 383 |
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[372] | 384 | return true;
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| 385 | }
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| 386 |
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[1415] | 387 |
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[372] | 388 | void
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| 389 | Preprocessor::KdTreeStatistics(ostream &s)
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| 390 | {
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| 391 | s<<mKdTree->GetStatistics();
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| 392 | }
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| 393 |
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| 394 | void
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| 395 | Preprocessor::BspTreeStatistics(ostream &s)
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| 396 | {
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| 397 | s << mBspTree->GetStatistics();
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| 398 | }
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| 399 |
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| 400 | bool
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| 401 | Preprocessor::Export( const string filename,
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[492] | 402 | const bool scene,
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[1545] | 403 | const bool kdtree
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[492] | 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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[1545] | 409 | if (2 && scene)
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[1328] | 410 | exporter->ExportScene(mSceneGraph->GetRoot());
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[372] | 411 |
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[1545] | 412 | if (1 && kdtree) {
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[372] | 413 | exporter->SetWireframe();
|
---|
| 414 | exporter->ExportKdTree(*mKdTree);
|
---|
| 415 | }
|
---|
| 416 |
|
---|
| 417 | delete exporter;
|
---|
| 418 | return true;
|
---|
| 419 | }
|
---|
| 420 |
|
---|
| 421 | return false;
|
---|
| 422 | }
|
---|
[429] | 423 |
|
---|
[508] | 424 |
|
---|
[463] | 425 | bool Preprocessor::PrepareViewCells()
|
---|
| 426 | {
|
---|
[1523] | 427 | ///////
|
---|
[577] | 428 | //-- parse view cells construction method
|
---|
[1563] | 429 |
|
---|
[1004] | 430 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", mLoadViewCells);
|
---|
[577] | 431 | char buf[100];
|
---|
[1585] | 432 |
|
---|
[577] | 433 | if (mLoadViewCells)
|
---|
[997] | 434 | {
|
---|
[1581] | 435 | Environment::GetSingleton()->GetStringValue("ViewCells.filename", buf);
|
---|
| 436 | cout << "loading view cells from " << buf << endl;
|
---|
| 437 |
|
---|
[1593] | 438 | mViewCellsManager = ViewCellsManager::LoadViewCells(buf, &mObjects, true, NULL);
|
---|
[1581] | 439 |
|
---|
| 440 | if (!mViewCellsManager)
|
---|
[1593] | 441 | {
|
---|
| 442 | return false;
|
---|
| 443 | }
|
---|
[577] | 444 | }
|
---|
| 445 | else
|
---|
| 446 | {
|
---|
[1288] | 447 | // parse type of view cell container
|
---|
[1004] | 448 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
[1002] | 449 | mViewCellsManager = CreateViewCellsManager(buf);
|
---|
[1112] | 450 |
|
---|
| 451 | // default view space is the extent of the scene
|
---|
[1563] | 452 | AxisAlignedBox3 box = mSceneGraph->GetBox();
|
---|
| 453 |
|
---|
| 454 | if (0)
|
---|
| 455 | {
|
---|
| 456 | // use a small box outside of the scene
|
---|
| 457 | box.Scale(Vector3(0.1f,0.5f,0.5f));
|
---|
| 458 | box.Translate(Vector3(Magnitude(mSceneGraph->GetBox().Size())*0.5f, 0, 0));
|
---|
| 459 | }
|
---|
[1545] | 460 |
|
---|
[1563] | 461 | mViewCellsManager->SetViewSpaceBox(box);
|
---|
| 462 |
|
---|
[1545] | 463 | bool loadVcGeometry;
|
---|
| 464 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadGeometry", loadVcGeometry);
|
---|
| 465 |
|
---|
| 466 | bool extrudeBaseTriangles;
|
---|
| 467 | Environment::GetSingleton()->GetBoolValue("ViewCells.useBaseTrianglesAsGeometry", extrudeBaseTriangles);
|
---|
| 468 |
|
---|
| 469 | char vcGeomFilename[100];
|
---|
| 470 | Environment::GetSingleton()->GetStringValue("ViewCells.geometryFilename", vcGeomFilename);
|
---|
| 471 |
|
---|
[1627] | 472 | if (loadVcGeometry)
|
---|
[1545] | 473 | {
|
---|
[1627] | 474 | if (mViewCellsManager->GetType() == ViewCellsManager::BSP)
|
---|
[1545] | 475 | {
|
---|
[1627] | 476 | if (!mViewCellsManager->LoadViewCellsGeometry(vcGeomFilename, extrudeBaseTriangles))
|
---|
| 477 | {
|
---|
| 478 | cerr << "loading view cells geometry failed" << endl;
|
---|
| 479 | }
|
---|
[1545] | 480 | }
|
---|
[1627] | 481 | else
|
---|
| 482 | {
|
---|
| 483 | cerr << "loading view cells geometry is not implemented for this manager" << endl;
|
---|
| 484 | }
|
---|
[1545] | 485 | }
|
---|
[577] | 486 | }
|
---|
[1112] | 487 |
|
---|
[1486] | 488 | ////////
|
---|
[1523] | 489 | //-- evaluation of render cost heuristics
|
---|
[473] | 490 | float objRenderCost = 0, vcOverhead = 0, moveSpeed = 0;
|
---|
| 491 |
|
---|
[1004] | 492 | Environment::GetSingleton()->GetFloatValue("Simulation.objRenderCost",objRenderCost);
|
---|
| 493 | Environment::GetSingleton()->GetFloatValue("Simulation.vcOverhead", vcOverhead);
|
---|
| 494 | Environment::GetSingleton()->GetFloatValue("Simulation.moveSpeed", moveSpeed);
|
---|
[694] | 495 |
|
---|
[473] | 496 | mRenderSimulator =
|
---|
| 497 | new RenderSimulator(mViewCellsManager, objRenderCost, vcOverhead, moveSpeed);
|
---|
[440] | 498 |
|
---|
[480] | 499 | mViewCellsManager->SetRenderer(mRenderSimulator);
|
---|
[1581] | 500 |
|
---|
[538] | 501 | if (mUseGlRenderer || mUseGlDebugger)
|
---|
[1581] | 502 | {
|
---|
[540] | 503 | // NOTE: render texture should be power of 2 and square
|
---|
| 504 | // renderer must be initialised
|
---|
[1145] | 505 | // $$matt
|
---|
[1581] | 506 | // renderer = new GlRendererBuffer(1024, 768, mSceneGraph, mViewCellsManager, mKdTree);
|
---|
[556] | 507 | // renderer->makeCurrent();
|
---|
[746] | 508 |
|
---|
[1581] | 509 | }
|
---|
| 510 |
|
---|
| 511 | mViewCellsManager->SetPreprocessor(this);
|
---|
[463] | 512 | return true;
|
---|
[490] | 513 | }
|
---|
| 514 |
|
---|
[1292] | 515 |
|
---|
[1563] | 516 | bool Preprocessor::ConstructViewCells()
|
---|
[1292] | 517 | {
|
---|
[1627] | 518 | // construct view cells using it's own set of samples
|
---|
| 519 | mViewCellsManager->Construct(this);
|
---|
| 520 |
|
---|
| 521 | // visualizations and statistics
|
---|
| 522 | Debug << "finished view cells:" << endl;
|
---|
| 523 | mViewCellsManager->PrintStatistics(Debug);
|
---|
| 524 |
|
---|
| 525 | return true;
|
---|
[1292] | 526 | }
|
---|
[490] | 527 |
|
---|
[1294] | 528 |
|
---|
[1288] | 529 | HierarchyManager *Preprocessor::CreateHierarchyManager(const char *name)
|
---|
| 530 | {
|
---|
| 531 | HierarchyManager *hierarchyManager;
|
---|
| 532 |
|
---|
| 533 | if (strcmp(name, "osp") == 0)
|
---|
| 534 | {
|
---|
[1291] | 535 | Debug << "hierarchy manager: osp" << endl;
|
---|
[1288] | 536 | // HACK for testing if per kd evaluation works!!
|
---|
[1293] | 537 | const bool ishack = false;
|
---|
[1288] | 538 | if (ishack)
|
---|
[1421] | 539 | hierarchyManager = new HierarchyManager(mKdTree);
|
---|
[1288] | 540 | else
|
---|
[1421] | 541 | hierarchyManager = new HierarchyManager(HierarchyManager::KD_BASED_OBJ_SUBDIV);
|
---|
[1288] | 542 | }
|
---|
| 543 | else if (strcmp(name, "bvh") == 0)
|
---|
| 544 | {
|
---|
[1291] | 545 | Debug << "hierarchy manager: bvh" << endl;
|
---|
[1421] | 546 | hierarchyManager = new HierarchyManager(HierarchyManager::BV_BASED_OBJ_SUBDIV);
|
---|
[1288] | 547 | }
|
---|
[1291] | 548 | else // only view space partition
|
---|
| 549 | {
|
---|
| 550 | Debug << "hierarchy manager: obj" << endl;
|
---|
[1421] | 551 | hierarchyManager = new HierarchyManager(HierarchyManager::NO_OBJ_SUBDIV);
|
---|
[1291] | 552 | }
|
---|
[1288] | 553 |
|
---|
| 554 | return hierarchyManager;
|
---|
| 555 | }
|
---|
| 556 |
|
---|
| 557 |
|
---|
[575] | 558 | ViewCellsManager *Preprocessor::CreateViewCellsManager(const char *name)
|
---|
| 559 | {
|
---|
[1264] | 560 | ViewCellsTree *vcTree = new ViewCellsTree;
|
---|
| 561 |
|
---|
[575] | 562 | if (strcmp(name, "kdTree") == 0)
|
---|
| 563 | {
|
---|
[1264] | 564 | mViewCellsManager = new KdViewCellsManager(vcTree, mKdTree);
|
---|
[575] | 565 | }
|
---|
| 566 | else if (strcmp(name, "bspTree") == 0)
|
---|
| 567 | {
|
---|
| 568 | Debug << "view cell type: Bsp" << endl;
|
---|
| 569 |
|
---|
[577] | 570 | mBspTree = new BspTree();
|
---|
[1264] | 571 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
[575] | 572 | }
|
---|
| 573 | else if (strcmp(name, "vspBspTree") == 0)
|
---|
| 574 | {
|
---|
| 575 | Debug << "view cell type: VspBsp" << endl;
|
---|
| 576 |
|
---|
[1004] | 577 | mVspBspTree = new VspBspTree();
|
---|
[1264] | 578 | mViewCellsManager = new VspBspViewCellsManager(vcTree, mVspBspTree);
|
---|
[575] | 579 | }
|
---|
[1006] | 580 | else if (strcmp(name, "vspOspTree") == 0)
|
---|
[575] | 581 | {
|
---|
[1421] | 582 | Debug << "view cell type: VspOsp" << endl;
|
---|
[1288] | 583 | char buf[100];
|
---|
| 584 | Environment::GetSingleton()->GetStringValue("Hierarchy.type", buf);
|
---|
[1022] | 585 |
|
---|
[1288] | 586 | HierarchyManager *mHierarchyManager = CreateHierarchyManager(buf);
|
---|
[1279] | 587 | mViewCellsManager = new VspOspViewCellsManager(vcTree, mHierarchyManager);
|
---|
[575] | 588 | }
|
---|
[1421] | 589 | else if (strcmp(name, "sceneDependent") == 0) //TODO
|
---|
[575] | 590 | {
|
---|
[1143] | 591 | Debug << "view cell type: Bsp" << endl;
|
---|
[1421] | 592 |
|
---|
[575] | 593 | mBspTree = new BspTree();
|
---|
[1264] | 594 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
[575] | 595 | }
|
---|
| 596 | else
|
---|
| 597 | {
|
---|
[664] | 598 | cerr << "Wrong view cells type " << name << "!!!" << endl;
|
---|
[575] | 599 | exit(1);
|
---|
| 600 | }
|
---|
| 601 |
|
---|
| 602 | return mViewCellsManager;
|
---|
| 603 | }
|
---|
| 604 |
|
---|
| 605 |
|
---|
[491] | 606 | // use ascii format to store rays
|
---|
| 607 | #define USE_ASCII 0
|
---|
| 608 |
|
---|
| 609 |
|
---|
[1145] | 610 | static inline bool ilt(Intersectable *obj1, Intersectable *obj2)
|
---|
[490] | 611 | {
|
---|
| 612 | return obj1->mId < obj2->mId;
|
---|
| 613 | }
|
---|
| 614 |
|
---|
| 615 |
|
---|
[1414] | 616 | bool Preprocessor::LoadKdTree(const string filename)
|
---|
[1197] | 617 | {
|
---|
[1414] | 618 | mKdTree = new KdTree();
|
---|
| 619 | return mKdTree->LoadBinTree(filename.c_str(), mObjects);
|
---|
[1197] | 620 | }
|
---|
| 621 |
|
---|
[1414] | 622 |
|
---|
| 623 | bool Preprocessor::ExportKdTree(const string filename)
|
---|
[1197] | 624 | {
|
---|
[1414] | 625 | return mKdTree->ExportBinTree(filename.c_str());
|
---|
[1197] | 626 | }
|
---|
| 627 |
|
---|
| 628 |
|
---|
[490] | 629 | bool Preprocessor::LoadSamples(VssRayContainer &samples,
|
---|
| 630 | ObjectContainer &objects) const
|
---|
| 631 | {
|
---|
| 632 | std::stable_sort(objects.begin(), objects.end(), ilt);
|
---|
| 633 | char fileName[100];
|
---|
[1004] | 634 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
[490] | 635 |
|
---|
[491] | 636 | Vector3 origin, termination;
|
---|
| 637 | // HACK: needed only for lower_bound algorithm to find the
|
---|
| 638 | // intersected objects
|
---|
| 639 | MeshInstance sObj(NULL);
|
---|
| 640 | MeshInstance tObj(NULL);
|
---|
[490] | 641 |
|
---|
[491] | 642 | #if USE_ASCII
|
---|
[656] | 643 | ifstream samplesIn(fileName);
|
---|
[490] | 644 | if (!samplesIn.is_open())
|
---|
| 645 | return false;
|
---|
| 646 |
|
---|
| 647 | string buf;
|
---|
| 648 | while (!(getline(samplesIn, buf)).eof())
|
---|
| 649 | {
|
---|
[491] | 650 | sscanf(buf.c_str(), "%f %f %f %f %f %f %d %d",
|
---|
[490] | 651 | &origin.x, &origin.y, &origin.z,
|
---|
[491] | 652 | &termination.x, &termination.y, &termination.z,
|
---|
| 653 | &(sObj.mId), &(tObj.mId));
|
---|
[490] | 654 |
|
---|
[491] | 655 | Intersectable *sourceObj = NULL;
|
---|
| 656 | Intersectable *termObj = NULL;
|
---|
| 657 |
|
---|
| 658 | if (sObj.mId >= 0)
|
---|
[490] | 659 | {
|
---|
| 660 | ObjectContainer::iterator oit =
|
---|
[491] | 661 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 662 | sourceObj = *oit;
|
---|
| 663 | }
|
---|
| 664 |
|
---|
| 665 | if (tObj.mId >= 0)
|
---|
| 666 | {
|
---|
| 667 | ObjectContainer::iterator oit =
|
---|
| 668 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 669 | termObj = *oit;
|
---|
| 670 | }
|
---|
[490] | 671 |
|
---|
[491] | 672 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
| 673 | }
|
---|
| 674 | #else
|
---|
| 675 | ifstream samplesIn(fileName, ios::binary);
|
---|
| 676 | if (!samplesIn.is_open())
|
---|
| 677 | return false;
|
---|
| 678 |
|
---|
| 679 | while (1)
|
---|
| 680 | {
|
---|
| 681 | samplesIn.read(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 682 | samplesIn.read(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 683 | samplesIn.read(reinterpret_cast<char *>(&(sObj.mId)), sizeof(int));
|
---|
| 684 | samplesIn.read(reinterpret_cast<char *>(&(tObj.mId)), sizeof(int));
|
---|
| 685 |
|
---|
| 686 | if (samplesIn.eof())
|
---|
| 687 | break;
|
---|
| 688 |
|
---|
| 689 | Intersectable *sourceObj = NULL;
|
---|
| 690 | Intersectable *termObj = NULL;
|
---|
| 691 |
|
---|
| 692 | if (sObj.mId >= 0)
|
---|
| 693 | {
|
---|
| 694 | ObjectContainer::iterator oit =
|
---|
| 695 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
| 696 | sourceObj = *oit;
|
---|
[490] | 697 | }
|
---|
[491] | 698 |
|
---|
| 699 | if (tObj.mId >= 0)
|
---|
[490] | 700 | {
|
---|
[491] | 701 | ObjectContainer::iterator oit =
|
---|
| 702 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
| 703 | termObj = *oit;
|
---|
[490] | 704 | }
|
---|
[491] | 705 |
|
---|
| 706 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
[490] | 707 | }
|
---|
[491] | 708 |
|
---|
| 709 | #endif
|
---|
[490] | 710 | samplesIn.close();
|
---|
| 711 |
|
---|
| 712 | return true;
|
---|
| 713 | }
|
---|
| 714 |
|
---|
[508] | 715 |
|
---|
| 716 | bool Preprocessor::ExportSamples(const VssRayContainer &samples) const
|
---|
[490] | 717 | {
|
---|
[491] | 718 | char fileName[100];
|
---|
[1004] | 719 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
[491] | 720 |
|
---|
[490] | 721 |
|
---|
| 722 | VssRayContainer::const_iterator it, it_end = samples.end();
|
---|
| 723 |
|
---|
[491] | 724 | #if USE_ASCII
|
---|
| 725 | ofstream samplesOut(fileName);
|
---|
[490] | 726 | if (!samplesOut.is_open())
|
---|
| 727 | return false;
|
---|
| 728 |
|
---|
| 729 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 730 | {
|
---|
| 731 | VssRay *ray = *it;
|
---|
[491] | 732 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 733 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 734 |
|
---|
[490] | 735 | samplesOut << ray->GetOrigin().x << " " << ray->GetOrigin().y << " " << ray->GetOrigin().z << " "
|
---|
| 736 | << ray->GetTermination().x << " " << ray->GetTermination().y << " " << ray->GetTermination().z << " "
|
---|
[491] | 737 | << sourceid << " " << termid << "\n";
|
---|
[490] | 738 | }
|
---|
[491] | 739 | #else
|
---|
| 740 | ofstream samplesOut(fileName, ios::binary);
|
---|
| 741 | if (!samplesOut.is_open())
|
---|
| 742 | return false;
|
---|
| 743 |
|
---|
| 744 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
| 745 | {
|
---|
| 746 | VssRay *ray = *it;
|
---|
| 747 | Vector3 origin(ray->GetOrigin());
|
---|
| 748 | Vector3 termination(ray->GetTermination());
|
---|
| 749 |
|
---|
| 750 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
| 751 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
| 752 |
|
---|
| 753 | samplesOut.write(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
| 754 | samplesOut.write(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
| 755 | samplesOut.write(reinterpret_cast<char *>(&sourceid), sizeof(int));
|
---|
| 756 | samplesOut.write(reinterpret_cast<char *>(&termid), sizeof(int));
|
---|
| 757 | }
|
---|
| 758 | #endif
|
---|
[490] | 759 | samplesOut.close();
|
---|
[1194] | 760 |
|
---|
[490] | 761 | return true;
|
---|
| 762 | }
|
---|
[563] | 763 |
|
---|
[1020] | 764 | bool Preprocessor::GenerateRays(const int number,
|
---|
| 765 | const int sampleType,
|
---|
| 766 | SimpleRayContainer &rays)
|
---|
| 767 | {
|
---|
| 768 | const int startSize = (int)rays.size();
|
---|
| 769 | SamplingStrategy *strategy = GenerateSamplingStrategy(sampleType);
|
---|
[860] | 770 |
|
---|
[1020] | 771 | if (!strategy)
|
---|
[1381] | 772 | {
|
---|
[1020] | 773 | return false;
|
---|
[1381] | 774 | }
|
---|
[1020] | 775 |
|
---|
| 776 | for (int i=0; (int)rays.size() - startSize < number; ++ i)
|
---|
| 777 | {
|
---|
| 778 | SimpleRay newRay;
|
---|
| 779 |
|
---|
[1381] | 780 | if (strategy->GenerateSample(newRay))
|
---|
| 781 | {
|
---|
| 782 | #if 1
|
---|
[1020] | 783 | rays.AddRay(newRay);
|
---|
[1381] | 784 | #else
|
---|
| 785 | GenerateRayBundle(rays, newRay, 16, 0);
|
---|
| 786 | #endif
|
---|
| 787 | }
|
---|
[1020] | 788 | }
|
---|
| 789 |
|
---|
| 790 | delete strategy;
|
---|
| 791 | return true;
|
---|
[878] | 792 | }
|
---|
[1020] | 793 |
|
---|
| 794 |
|
---|
| 795 | SamplingStrategy *Preprocessor::GenerateSamplingStrategy(const int strategyId) const
|
---|
| 796 | {
|
---|
| 797 | switch (strategyId)
|
---|
| 798 | {
|
---|
[1520] | 799 | case SamplingStrategy::OBJECT_BASED_DISTRIBUTION:
|
---|
[1020] | 800 | return new ObjectBasedDistribution(*this);
|
---|
[1520] | 801 | case SamplingStrategy::OBJECT_DIRECTION_BASED_DISTRIBUTION:
|
---|
[1020] | 802 | return new ObjectDirectionBasedDistribution(*this);
|
---|
[1520] | 803 | case SamplingStrategy::DIRECTION_BASED_DISTRIBUTION:
|
---|
[1020] | 804 | return new DirectionBasedDistribution(*this);
|
---|
[1520] | 805 | case SamplingStrategy::DIRECTION_BOX_BASED_DISTRIBUTION:
|
---|
[1020] | 806 | return new DirectionBoxBasedDistribution(*this);
|
---|
[1520] | 807 | case SamplingStrategy::SPATIAL_BOX_BASED_DISTRIBUTION:
|
---|
[1020] | 808 | return new SpatialBoxBasedDistribution(*this);
|
---|
[1021] | 809 | //case OBJECTS_INTERIOR_DISTRIBUTION:
|
---|
| 810 | // return new ObjectsInteriorDistribution(*this);
|
---|
[1020] | 811 | default: // no valid strategy
|
---|
[1279] | 812 | Debug << "warning: no valid sampling strategy" << endl;
|
---|
[1020] | 813 | return NULL;
|
---|
| 814 | }
|
---|
[1221] | 815 |
|
---|
[1570] | 816 | return NULL; // should never come here
|
---|
[1020] | 817 | }
|
---|
| 818 |
|
---|
| 819 |
|
---|
[1627] | 820 | bool Preprocessor::InitRayCast(const string externKdTree, const string internKdTree)
|
---|
[1221] | 821 | {
|
---|
[1626] | 822 | bool loadKdTree = true;
|
---|
| 823 | //Environment::GetSingleton()->GetBoolValue("Preprocessor.loadKdTree", loadKdTree);
|
---|
[1415] | 824 |
|
---|
[1626] | 825 |
|
---|
[1415] | 826 | if (!loadKdTree)
|
---|
[1626] | 827 | { /////////
|
---|
[1415] | 828 | //-- build new kd tree from scene geometry
|
---|
[1626] | 829 |
|
---|
[1415] | 830 | BuildKdTree();
|
---|
| 831 | KdTreeStatistics(cout);
|
---|
| 832 | }
|
---|
| 833 | else
|
---|
| 834 | {
|
---|
[1627] | 835 | long startTime = GetTime();
|
---|
| 836 | cout << "loading kd tree file " << internKdTree << " ... ";
|
---|
[1415] | 837 |
|
---|
[1627] | 838 | if (!LoadKdTree(internKdTree))
|
---|
[1415] | 839 | {
|
---|
[1627] | 840 | cout << "error loading kd tree with filename " << internKdTree << ", rebuilding it instead ..." << endl;
|
---|
[1418] | 841 |
|
---|
| 842 | BuildKdTree();
|
---|
| 843 | KdTreeStatistics(cout);
|
---|
[1415] | 844 | }
|
---|
[1416] | 845 |
|
---|
[1415] | 846 | cout << "finished in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
| 847 |
|
---|
| 848 | if (0)
|
---|
| 849 | {
|
---|
| 850 | Exporter *exporter = Exporter::GetExporter("dummykd.x3d");
|
---|
| 851 |
|
---|
| 852 | if (exporter)
|
---|
| 853 | {
|
---|
| 854 | exporter->ExportKdTree(*mKdTree, true);
|
---|
| 855 | delete exporter;
|
---|
| 856 | }
|
---|
| 857 | }
|
---|
[1627] | 858 |
|
---|
| 859 | // export kd tree?
|
---|
| 860 | startTime = GetTime();
|
---|
| 861 | cout << "exporting kd tree ... ";
|
---|
| 862 |
|
---|
| 863 | if (!ExportKdTree(internKdTree))
|
---|
| 864 | {
|
---|
| 865 | cout << " error exporting kd tree with filename " << internKdTree << endl;
|
---|
| 866 | }
|
---|
| 867 | else
|
---|
| 868 | {
|
---|
| 869 | cout << "finished in " << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
|
---|
| 870 | }
|
---|
[1415] | 871 | }
|
---|
| 872 |
|
---|
[1520] | 873 | int rayCastMethod;
|
---|
| 874 | Environment::GetSingleton()->GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
|
---|
| 875 |
|
---|
| 876 | if (rayCastMethod == 0)
|
---|
[1221] | 877 | {
|
---|
[1520] | 878 | mRayCaster = new InternalRayCaster(*this, mKdTree);
|
---|
| 879 | cout << "ray cast method: internal" << endl;
|
---|
[1221] | 880 | }
|
---|
[1251] | 881 | else
|
---|
[1520] | 882 | {
|
---|
[1524] | 883 | #ifdef GTP_INTERNAL
|
---|
[1520] | 884 | mRayCaster = new IntelRayCaster(*this, externKdTree);
|
---|
| 885 | cout << "ray cast method: intel" << endl;
|
---|
[1524] | 886 | #endif
|
---|
[1251] | 887 | }
|
---|
| 888 |
|
---|
[1520] | 889 | return true;
|
---|
[1281] | 890 | }
|
---|
| 891 |
|
---|
[1292] | 892 |
|
---|
[1281] | 893 | void
|
---|
| 894 | Preprocessor::CastRays(
|
---|
| 895 | SimpleRayContainer &rays,
|
---|
[1520] | 896 | VssRayContainer &vssRays,
|
---|
[1528] | 897 | const bool castDoubleRays,
|
---|
| 898 | const bool pruneInvalidRays
|
---|
[1281] | 899 | )
|
---|
| 900 | {
|
---|
[1524] | 901 | const long t1 = GetTime();
|
---|
[1344] | 902 |
|
---|
[1524] | 903 | for (int i = 0; i < (int)rays.size();)
|
---|
[1292] | 904 | {
|
---|
[1524] | 905 | if (i + 16 < (int)rays.size())
|
---|
[1520] | 906 | {
|
---|
[1524] | 907 | mRayCaster->CastRays16(
|
---|
[1584] | 908 | i,
|
---|
| 909 | rays,
|
---|
| 910 | vssRays,
|
---|
| 911 | mViewCellsManager->GetViewSpaceBox(),
|
---|
| 912 | castDoubleRays,
|
---|
| 913 | pruneInvalidRays);
|
---|
[1524] | 914 | i += 16;
|
---|
[1292] | 915 | }
|
---|
[1524] | 916 | else
|
---|
[1584] | 917 | {
|
---|
[1524] | 918 | mRayCaster->CastRay(
|
---|
[1584] | 919 | rays[i],
|
---|
| 920 | vssRays,
|
---|
| 921 | mViewCellsManager->GetViewSpaceBox(),
|
---|
| 922 | castDoubleRays,
|
---|
| 923 | pruneInvalidRays);
|
---|
[1524] | 924 | i ++;
|
---|
[1584] | 925 | }
|
---|
| 926 | if (i % 10000 == 0)
|
---|
[1627] | 927 | cout<<"\r"<<i<<"/"<<(int)rays.size()<<"\r";
|
---|
[1524] | 928 | }
|
---|
[1608] | 929 | cout<<endl;
|
---|
[1584] | 930 |
|
---|
| 931 | long t2 = GetTime();
|
---|
[1286] | 932 |
|
---|
[1584] | 933 | #if SHOW_RAYCAST_TIMING
|
---|
[1524] | 934 | if (castDoubleRays)
|
---|
| 935 | cout << 2 * rays.size() / (1e3f * TimeDiff(t1, t2)) << "M rays/s" << endl;
|
---|
| 936 | else
|
---|
| 937 | cout << rays.size() / (1e3f * TimeDiff(t1, t2)) << "M rays/s" << endl;
|
---|
| 938 | #endif
|
---|
[1251] | 939 | }
|
---|
| 940 |
|
---|
| 941 |
|
---|
[1381] | 942 | bool Preprocessor::GenerateRayBundle(SimpleRayContainer &rayBundle,
|
---|
| 943 | const SimpleRay &mainRay,
|
---|
| 944 | const int number,
|
---|
| 945 | const int pertubType) const
|
---|
| 946 | {
|
---|
| 947 | rayBundle.push_back(mainRay);
|
---|
| 948 |
|
---|
[1564] | 949 | const float pertubOrigin = 0.0f;
|
---|
| 950 | const float pertubDir = 0.2f;
|
---|
[1381] | 951 |
|
---|
| 952 | for (int i = 0; i < number - 1; ++ i)
|
---|
| 953 | {
|
---|
| 954 | Vector3 pertub;
|
---|
| 955 |
|
---|
| 956 | pertub.x = RandomValue(0.0f, pertubDir);
|
---|
| 957 | pertub.y = RandomValue(0.0f, pertubDir);
|
---|
| 958 | pertub.z = RandomValue(0.0f, pertubDir);
|
---|
| 959 | const Vector3 newDir = mainRay.mDirection + pertub;
|
---|
| 960 | //const Vector3 newDir = mainRay.mDirection;
|
---|
| 961 |
|
---|
| 962 | pertub.x = RandomValue(0.0f, pertubOrigin);
|
---|
| 963 | pertub.y = RandomValue(0.0f, pertubOrigin);
|
---|
| 964 | pertub.z = RandomValue(0.0f, pertubOrigin);
|
---|
| 965 | const Vector3 newOrigin = mainRay.mOrigin + pertub;
|
---|
| 966 | //const Vector3 newOrigin = mainRay.mOrigin;
|
---|
| 967 |
|
---|
| 968 | rayBundle.push_back(SimpleRay(newOrigin, newDir, 0));
|
---|
| 969 | }
|
---|
| 970 |
|
---|
| 971 | return true;
|
---|
| 972 | }
|
---|
| 973 |
|
---|
| 974 |
|
---|
[1251] | 975 | void Preprocessor::SetupRay(Ray &ray,
|
---|
| 976 | const Vector3 &point,
|
---|
| 977 | const Vector3 &direction
|
---|
[1520] | 978 | ) const
|
---|
[1251] | 979 | {
|
---|
| 980 | ray.Clear();
|
---|
| 981 | // do not store anything else then intersections at the ray
|
---|
| 982 | ray.Init(point, direction, Ray::LOCAL_RAY);
|
---|
[1584] | 983 |
|
---|
[1251] | 984 | }
|
---|
| 985 |
|
---|
[1520] | 986 |
|
---|
[1251] | 987 | }
|
---|