[162] | 1 | #include "SceneGraph.h" |
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| 2 | #include "Exporter.h" |
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| 3 | #include "UnigraphicsParser.h" |
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[170] | 4 | #include "X3dParser.h" |
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[65] | 5 | #include "Preprocessor.h" |
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[235] | 6 | #include "ViewCell.h" |
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| 7 | #include "Environment.h" |
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[65] | 8 | |
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[262] | 9 | Preprocessor::Preprocessor(): |
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| 10 | mKdTree(NULL), |
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| 11 | mBspTree(NULL) |
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| 12 | { |
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| 13 | } |
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[261] | 14 | |
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| 15 | Preprocessor::~Preprocessor() |
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| 16 | { |
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[262] | 17 | CLEAR_CONTAINER(mViewCells);
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[261] | 18 | DEL_PTR(mBspTree); |
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[262] | 19 | DEL_PTR(mKdTree); |
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[261] | 20 | } |
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| 21 | |
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[162] | 22 | bool |
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[261] | 23 | Preprocessor::LoadViewCells(const string filename) |
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[162] | 24 | { |
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[263] | 25 | return X3dParser().ParseFile(filename, mViewCells); |
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[162] | 26 | } |
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[65] | 27 | |
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[162] | 28 | bool |
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[261] | 29 | Preprocessor::GenerateViewCells() |
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[162] | 30 | { |
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[263] | 31 | // TODO |
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| 32 | // HACK: derive view cells from the scene objects |
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| 33 | ObjectContainer objects; |
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| 34 | |
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| 35 | int maxViewCells = 0; |
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| 36 | environment->GetIntValue("BspTree.maxViewCells", maxViewCells); |
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| 37 | |
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| 38 | mSceneGraph->CollectObjects(&objects); |
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| 39 | ViewCell::DeriveViewCells(objects, mViewCells, maxViewCells); |
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| 40 | |
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| 41 | return true; |
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[162] | 42 | } |
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[65] | 43 | |
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[162] | 44 | bool |
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| 45 | Preprocessor::LoadScene(const string filename) |
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| 46 | { |
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| 47 | // use leaf nodes of the original spatial hiearrchy as occludees |
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| 48 | |
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| 49 | mSceneGraph = new SceneGraph; |
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[170] | 50 | |
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| 51 | |
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| 52 | Parser *parser; |
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| 53 | |
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| 54 | if (strstr(filename.c_str(), ".x3d")) |
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| 55 | parser = new X3dParser; |
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| 56 | else |
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| 57 | parser = new UnigraphicsParser; |
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| 58 | |
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[162] | 59 | bool result = parser->ParseFile(filename, &mSceneGraph->mRoot); |
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[65] | 60 | |
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[261] | 61 | delete parser; |
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| 62 | |
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[162] | 63 | return result; |
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| 64 | } |
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| 65 | |
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| 66 | bool |
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| 67 | Preprocessor::ExportPreprocessedData(const string filename) |
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| 68 | { |
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| 69 | return false; |
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| 70 | } |
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| 71 | |
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| 72 | bool |
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| 73 | Preprocessor::BuildKdTree() |
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| 74 | { |
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| 75 | mKdTree = new KdTree; |
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| 76 | // add mesh instances of the scene graph to the root of the tree |
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| 77 | KdLeaf *root = (KdLeaf *)mKdTree->GetRoot(); |
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[176] | 78 | mSceneGraph->CollectObjects(&root->mObjects); |
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[65] | 79 | |
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[162] | 80 | mKdTree->Construct(); |
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| 81 | return true; |
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| 82 | } |
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[65] | 83 | |
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[263] | 84 | |
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[234] | 85 | bool |
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| 86 | Preprocessor::BuildBspTree() |
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| 87 | { |
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[262] | 88 | DEL_PTR(mBspTree); |
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[235] | 89 | mBspTree = new BspTree(); |
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| 90 | |
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[262] | 91 | ObjectContainer objects; |
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| 92 | RayContainer rays; |
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| 93 | |
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[263] | 94 | switch (BspTree::sConstructionMethod) |
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[235] | 95 | { |
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[263] | 96 | case BspTree::VIEW_CELLS: |
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[262] | 97 | Debug << "Construction method: view cells\n"; |
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[263] | 98 | |
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[261] | 99 | mBspTree->Construct(mViewCells); |
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[235] | 100 | break; |
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| 101 | case BspTree::SCENE_GEOMETRY: |
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[262] | 102 | Debug << "Construction method: geometry\n"; |
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| 103 | |
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| 104 | CLEAR_CONTAINER(mViewCells); // we generate new view cells |
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| 105 | |
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[263] | 106 | mSceneGraph->CollectObjects(&objects); |
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[261] | 107 | mBspTree->Construct(objects, &mViewCells); |
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[235] | 108 | break; |
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[261] | 109 | case BspTree::RAYS: |
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[262] | 110 | Debug << "Construction method: rays\n"; |
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| 111 | |
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[263] | 112 | CLEAR_CONTAINER(mViewCells); // we generate new view cells |
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[262] | 113 | mBspTree->Construct(rays, &mViewCells); |
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[261] | 114 | break; |
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[235] | 115 | default: |
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[262] | 116 | Debug << "Error: Method not available\n"; |
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[235] | 117 | break; |
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| 118 | } |
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| 119 | return true; |
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[234] | 120 | } |
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[162] | 121 | |
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[234] | 122 | |
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[162] | 123 | void |
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| 124 | Preprocessor::KdTreeStatistics(ostream &s) |
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[65] | 125 | { |
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[162] | 126 | s<<mKdTree->GetStatistics(); |
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[65] | 127 | } |
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[162] | 128 | |
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[234] | 129 | void |
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| 130 | Preprocessor::BspTreeStatistics(ostream &s) |
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| 131 | { |
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[235] | 132 | s << mBspTree->GetStatistics(); |
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[234] | 133 | } |
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[162] | 134 | |
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| 135 | bool |
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| 136 | Preprocessor::Export( const string filename, |
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| 137 | const bool scene, |
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[242] | 138 | const bool kdtree, |
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| 139 | const bool bsptree |
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[162] | 140 | ) |
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| 141 | { |
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| 142 | Exporter *exporter = Exporter::GetExporter(filename); |
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| 143 | |
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| 144 | if (exporter) { |
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| 145 | if (scene) |
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| 146 | exporter->ExportScene(mSceneGraph->mRoot); |
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| 147 | |
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| 148 | if (kdtree) { |
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| 149 | exporter->SetWireframe(); |
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| 150 | exporter->ExportKdTree(*mKdTree); |
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| 151 | } |
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| 152 | |
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[242] | 153 | if (bsptree) { |
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| 154 | exporter->SetWireframe(); |
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| 155 | exporter->ExportBspTree(*mBspTree); |
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| 156 | } |
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| 157 | |
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[162] | 158 | delete exporter; |
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| 159 | return true; |
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| 160 | } |
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| 161 | |
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| 162 | return false; |
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| 163 | } |
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| 164 | |
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| 165 | |
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| 166 | |
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