[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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[366] | 11 | mBspTree(NULL) |
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[262] | 12 | { |
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| 13 | } |
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[261] | 14 | |
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[339] | 15 | |
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[261] | 16 | Preprocessor::~Preprocessor() |
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[308] | 17 | {
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| 18 | DeleteViewCells();
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| 19 | |
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| 20 | DEL_PTR(mBspTree); |
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| 21 | DEL_PTR(mKdTree); |
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[261] | 22 | } |
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| 23 | |
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[162] | 24 | bool |
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[261] | 25 | Preprocessor::LoadViewCells(const string filename) |
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[162] | 26 | { |
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[312] | 27 | X3dParser parser; |
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[313] | 28 | int maxViewCells = 0; |
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[312] | 29 | environment->GetFloatValue("ViewCells.height", parser.mViewCellHeight); |
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[313] | 30 | environment->GetIntValue("ViewCells.maxViewCells", maxViewCells); |
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| 31 | |
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| 32 | bool loaded = parser.ParseFile(filename, mViewCells); |
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| 33 | |
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| 34 | if (maxViewCells > 0) |
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| 35 | { |
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| 36 | while (mViewCells.size() > maxViewCells) |
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| 37 | { |
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| 38 | ViewCell *vc = mViewCells.back(); |
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| 39 | DEL_PTR(vc); |
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| 40 | mViewCells.pop_back(); |
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| 41 | } |
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| 42 | } |
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| 43 | return loaded; |
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[162] | 44 | } |
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[65] | 45 | |
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[339] | 46 | bool |
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| 47 | Preprocessor::ParseViewCellsOptions() |
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[310] | 48 | { |
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| 49 | // parse type of view cells |
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| 50 | char viewCellsStr[64]; |
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[329] | 51 | environment->GetStringValue("ViewCells.hierarchy", viewCellsStr); |
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[310] | 52 | |
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| 53 | if (strcmp(viewCellsStr, "bspTree") == 0) |
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[366] | 54 | ViewCell::sHierarchy = ViewCell::BSP; |
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[310] | 55 | else if (strcmp(viewCellsStr, "kdTree") == 0) |
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[366] | 56 | ViewCell::sHierarchy = ViewCell::KD; |
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[310] | 57 | else if (strcmp(viewCellsStr, "sceneDependent") == 0) |
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[329] | 58 | { |
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| 59 | //TODO |
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| 60 | } |
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[310] | 61 | else |
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| 62 | { |
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| 63 | cerr<<"Wrong view cells type" << viewCellsStr << endl; |
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| 64 | exit(1); |
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| 65 | } |
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| 66 | |
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| 67 | return true; |
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| 68 | } |
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| 69 | |
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[308] | 70 | void Preprocessor::DeleteViewCells() |
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| 71 | { |
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| 72 | for (int i = 0; i < mViewCells.size(); ++ i) |
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| 73 | delete mViewCells[i]->GetMesh(); |
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| 74 | |
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| 75 | CLEAR_CONTAINER(mViewCells); |
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| 76 | } |
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| 77 | |
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[162] | 78 | bool |
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[261] | 79 | Preprocessor::GenerateViewCells() |
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[162] | 80 | { |
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[263] | 81 | // TODO |
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| 82 | // HACK: derive view cells from the scene objects |
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| 83 | ObjectContainer objects; |
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| 84 | |
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| 85 | int maxViewCells = 0; |
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[313] | 86 | environment->GetIntValue("ViewCells.maxViewCells", maxViewCells); |
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[263] | 87 | |
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| 88 | mSceneGraph->CollectObjects(&objects); |
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| 89 | ViewCell::DeriveViewCells(objects, mViewCells, maxViewCells); |
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| 90 | |
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| 91 | return true; |
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[162] | 92 | } |
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[65] | 93 | |
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[162] | 94 | bool |
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| 95 | Preprocessor::LoadScene(const string filename) |
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| 96 | { |
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| 97 | // use leaf nodes of the original spatial hiearrchy as occludees |
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| 98 | |
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| 99 | mSceneGraph = new SceneGraph; |
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[170] | 100 | |
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| 101 | |
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| 102 | Parser *parser; |
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| 103 | |
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| 104 | if (strstr(filename.c_str(), ".x3d")) |
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| 105 | parser = new X3dParser; |
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| 106 | else |
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| 107 | parser = new UnigraphicsParser; |
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| 108 | |
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[162] | 109 | bool result = parser->ParseFile(filename, &mSceneGraph->mRoot); |
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[339] | 110 | |
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| 111 | |
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| 112 | |
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[261] | 113 | delete parser; |
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| 114 | |
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[339] | 115 | if (result) |
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| 116 | mSceneGraph->AssignObjectIds(); |
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| 117 | |
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[162] | 118 | return result; |
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| 119 | } |
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| 120 | |
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| 121 | bool |
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| 122 | Preprocessor::ExportPreprocessedData(const string filename) |
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| 123 | { |
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| 124 | return false; |
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| 125 | } |
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| 126 | |
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| 127 | bool |
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| 128 | Preprocessor::BuildKdTree() |
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| 129 | { |
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| 130 | mKdTree = new KdTree; |
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| 131 | // add mesh instances of the scene graph to the root of the tree |
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| 132 | KdLeaf *root = (KdLeaf *)mKdTree->GetRoot(); |
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[176] | 133 | mSceneGraph->CollectObjects(&root->mObjects); |
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[65] | 134 | |
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[162] | 135 | mKdTree->Construct(); |
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| 136 | return true; |
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| 137 | } |
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[65] | 138 | |
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[162] | 139 | void |
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| 140 | Preprocessor::KdTreeStatistics(ostream &s) |
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[65] | 141 | { |
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[162] | 142 | s<<mKdTree->GetStatistics(); |
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[65] | 143 | } |
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[162] | 144 | |
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[234] | 145 | void |
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| 146 | Preprocessor::BspTreeStatistics(ostream &s) |
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| 147 | { |
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[235] | 148 | s << mBspTree->GetStatistics(); |
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[234] | 149 | } |
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[162] | 150 | |
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| 151 | bool |
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| 152 | Preprocessor::Export( const string filename, |
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[339] | 153 | const bool scene, |
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| 154 | const bool kdtree, |
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| 155 | const bool bsptree |
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| 156 | ) |
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[162] | 157 | { |
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| 158 | Exporter *exporter = Exporter::GetExporter(filename); |
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[339] | 159 | |
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[162] | 160 | if (exporter) { |
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| 161 | if (scene) |
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| 162 | exporter->ExportScene(mSceneGraph->mRoot); |
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| 163 | |
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| 164 | if (kdtree) { |
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| 165 | exporter->SetWireframe(); |
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| 166 | exporter->ExportKdTree(*mKdTree); |
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| 167 | } |
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| 168 | |
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[242] | 169 | if (bsptree) { |
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[264] | 170 | //exporter->SetWireframe(); |
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[242] | 171 | exporter->ExportBspTree(*mBspTree); |
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| 172 | } |
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| 173 | |
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[162] | 174 | delete exporter; |
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| 175 | return true; |
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| 176 | } |
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| 177 | |
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| 178 | return false; |
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[339] | 179 | } |
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