[162] | 1 | #include "X3dExporter.h"
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[712] | 2 | #include "VrmlExporter.h"
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[1233] | 3 | #include "OspTree.h"
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[1121] | 4 | #include "KdTree.h"
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[1315] | 5 | #include "IntersectableWrapper.h"
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[1287] | 6 | #include "BvHierarchy.h"
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[1344] | 7 | #include "Triangle3.h"
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| 8 | #include "Polygon3.h"
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[162] | 9 |
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[1121] | 10 |
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[863] | 11 | namespace GtpVisibilityPreprocessor {
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[860] | 12 |
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[162] | 13 | Exporter *
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| 14 | Exporter::GetExporter(const string filename)
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| 15 | {
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[712] | 16 | Exporter *exporter = NULL;
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[162] | 17 |
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[712] | 18 | if (strstr(filename.c_str(), ".x3d"))
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| 19 | {
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| 20 | exporter = new X3dExporter(filename);
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| 21 | }
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| 22 | else if (strstr(filename.c_str(), ".wrl"))
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| 23 | {
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| 24 | exporter = new VrmlExporter(filename);
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[162] | 25 | }
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[712] | 26 | else
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| 27 | {
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| 28 | cerr<<"Error: Currently unsuported export format, filename " << filename << endl;
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| 29 | }
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| 30 |
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| 31 | return exporter;
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[162] | 32 | }
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| 33 |
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[1121] | 34 |
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| 35 | bool Exporter::ExportOspTree(const OspTree &ospTree, const int maxPvs)
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| 36 | {
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| 37 | vector<KdLeaf *> leaves;
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| 38 | ospTree.CollectLeaves(leaves);
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| 39 |
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| 40 | mUseForcedMaterial = true;
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| 41 |
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| 42 | vector<KdLeaf *>::const_iterator it, it_end = leaves.end();
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| 43 |
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| 44 | Material white;
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| 45 | white.mDiffuseColor.r = 1;
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| 46 | white.mDiffuseColor.g = 1;
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| 47 | white.mDiffuseColor.b = 1;
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| 48 |
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| 49 | for (it = leaves.begin(); it != it_end; ++ it)
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| 50 | {
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| 51 | KdLeaf *leaf = *it;
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| 52 |
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| 53 | SetWireframe();
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| 54 | SetForcedMaterial(white);
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[1144] | 55 | ExportBox(ospTree.GetBoundingBox(leaf));
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[1121] | 56 |
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| 57 | SetFilled();
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| 58 |
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| 59 | if (maxPvs) // color code pvs
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| 60 | {
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| 61 | mForcedMaterial.mDiffuseColor.b = 1.0f;
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[1181] | 62 | const float importance = (float)leaf->mObjects.size() / (float)maxPvs;
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[1121] | 63 |
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| 64 | mForcedMaterial.mDiffuseColor.r = importance;
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| 65 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
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| 66 | }
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| 67 | else
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| 68 | {
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| 69 | SetForcedMaterial(RandomMaterial());
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| 70 | }
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| 71 |
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[1287] | 72 | if (0) ExportGeometry(leaf->mObjects);
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[1121] | 73 | }
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| 74 |
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| 75 | return true;
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| 76 | }
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| 77 |
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[1181] | 78 |
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[1139] | 79 | void Exporter::ExportKdIntersectable(const KdIntersectable &kdObj)
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| 80 | {
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[1233] | 81 | KdNode *node = kdObj.GetItem();
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[1139] | 82 |
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| 83 | Intersectable::NewMail();
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| 84 |
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[1144] | 85 | // todo: traverse to leaves
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[1139] | 86 | if (node->IsLeaf())
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| 87 | {
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[1144] | 88 | // eyport leaf pvs
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[1139] | 89 | KdLeaf *leaf = dynamic_cast<KdLeaf *>(node);
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[1144] | 90 |
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[1139] | 91 | ObjectContainer::const_iterator oit, oit_end = leaf->mObjects.end();
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| 92 |
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| 93 | for (oit = leaf->mObjects.begin(); oit != oit_end; ++ oit)
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| 94 | {
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| 95 | Intersectable *obj = *oit;
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| 96 |
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| 97 | if (!obj->Mailed())
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| 98 | {
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| 99 | ExportIntersectable(obj);
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| 100 | obj->Mail();
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| 101 | }
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| 102 | }
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| 103 | }
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| 104 | }
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| 105 |
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| 106 |
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[1287] | 107 | bool Exporter::ExportBvHierarchy(const BvHierarchy &bvHierarchy,
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| 108 | const int maxPvs)
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| 109 | {
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| 110 | vector<BvhLeaf *> leaves;
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| 111 | bvHierarchy.CollectLeaves(leaves);
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| 112 |
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| 113 | mUseForcedMaterial = true;
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| 114 |
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| 115 | vector<BvhLeaf *>::const_iterator it, it_end = leaves.end();
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| 116 |
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| 117 | Material white;
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| 118 | white.mDiffuseColor.r = 1;
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| 119 | white.mDiffuseColor.g = 1;
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| 120 | white.mDiffuseColor.b = 1;
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[1293] | 121 |
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[1287] | 122 | for (it = leaves.begin(); it != it_end; ++ it)
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| 123 | {
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| 124 | BvhLeaf *leaf = *it;
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[1405] | 125 | if (leaf->mObjects.empty())
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| 126 | continue;
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[1287] | 127 |
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| 128 | SetWireframe();
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| 129 | SetForcedMaterial(white);
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| 130 | ExportBox(leaf->GetBoundingBox());
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| 131 | SetFilled();
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| 132 |
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| 133 | if (maxPvs) // color code pvs
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| 134 | {
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| 135 | mForcedMaterial.mDiffuseColor.b = 1.0f;
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| 136 | const float importance = (float)leaf->mObjects.size() / (float)maxPvs;
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| 137 |
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| 138 | mForcedMaterial.mDiffuseColor.r = importance;
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| 139 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
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| 140 | }
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| 141 | else
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| 142 | {
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| 143 | SetForcedMaterial(RandomMaterial());
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| 144 | }
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| 145 |
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| 146 | if (1)
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| 147 | {
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| 148 | SetFilled();
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[1404] | 149 | ExportGeometry(leaf->mObjects, true);
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[1287] | 150 | }
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| 151 | }
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| 152 |
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| 153 | return true;
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| 154 | }
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| 155 |
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| 156 |
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[1344] | 157 | void Exporter::ExportIntersectable(Intersectable *object)
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| 158 | {
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| 159 | switch (object->Type())
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| 160 | {
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| 161 | case Intersectable::MESH_INSTANCE:
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| 162 | ExportMeshInstance((MeshInstance *)object);
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| 163 | break;
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| 164 | case Intersectable::TRANSFORMED_MESH_INSTANCE:
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| 165 | ExportTransformedMeshInstance(dynamic_cast<TransformedMeshInstance *>(object));
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| 166 | break;
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| 167 | case Intersectable::VIEW_CELL:
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| 168 | ExportViewCell(dynamic_cast<ViewCell *>(object));
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| 169 | break;
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| 170 | case Intersectable::KD_INTERSECTABLE:
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| 171 | ExportKdIntersectable(*(dynamic_cast<KdIntersectable *>(object)));
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| 172 | break;
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| 173 | case Intersectable::TRIANGLE_INTERSECTABLE:
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| 174 | {
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| 175 | const Triangle3 triangle = dynamic_cast<TriangleIntersectable *>(object)->GetItem();
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| 176 |
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| 177 | VertexContainer vertices;
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| 178 | vertices.push_back(triangle.mVertices[0]);
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| 179 | vertices.push_back(triangle.mVertices[1]);
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| 180 | vertices.push_back(triangle.mVertices[2]);
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| 181 |
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| 182 | Polygon3 poly(vertices);
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| 183 | ExportPolygon(&poly);
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| 184 | break;
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| 185 | }
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| 186 | default:
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| 187 | cerr << "Sorry the export for object type " << Intersectable::GetTypeName(object) << " is not available yet" << endl;
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| 188 | break;
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| 189 | }
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| 190 | }
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| 191 |
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| 192 | void Exporter::ExportMeshInstance(MeshInstance *object)
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| 193 | {
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| 194 | // $$JB$$
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| 195 | // in the future check whether the mesh was not already exported
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| 196 | // and use a reference to the that mesh instead
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| 197 | ExportMesh(object->GetMesh());
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| 198 | }
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| 199 |
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| 200 |
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| 201 | void Exporter::ExportTransformedMeshInstance(TransformedMeshInstance *mi)
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| 202 | {
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| 203 | Mesh mesh(*mi->GetMesh());
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| 204 |
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| 205 | Matrix4x4 m;
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| 206 | mi->GetWorldTransform(m);
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| 207 | mesh.ApplyTransformation(m);
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| 208 |
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| 209 | ExportMesh(&mesh);
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| 210 | }
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| 211 |
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| 212 |
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| 213 | void Exporter::ExportViewCells(const ViewCellContainer &viewCells)
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| 214 | {
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| 215 | ViewCellContainer::const_iterator it, it_end = viewCells.end();
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| 216 |
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| 217 | for (it = viewCells.begin(); it != it_end; ++ it)
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| 218 | {
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| 219 | ExportViewCell(*it);
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| 220 | }
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| 221 | }
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| 222 |
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| 223 |
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[1404] | 224 | void Exporter::ExportGeometry(const ObjectContainer &objects,
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| 225 | const bool exportSingleMesh)
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| 226 | {
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| 227 | ObjectContainer::const_iterator oit, oit_end = objects.end();
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[1344] | 228 |
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[1404] | 229 | if (!exportSingleMesh)
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| 230 | {
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| 231 | for (oit = objects.begin(); oit != oit_end; ++ oit)
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| 232 | {
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| 233 | if (0) SetForcedMaterial(RandomMaterial());
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| 234 | ExportIntersectable(*oit);
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| 235 | }
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| 236 |
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| 237 | return;
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| 238 | }
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| 239 |
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| 240 | //-- all objects exported as one mesh
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[1405] | 241 | //-- hack: currently works only for triangles
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[1404] | 242 | PolygonContainer polys;
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| 243 |
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| 244 | for (oit = objects.begin(); oit != oit_end; ++ oit)
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| 245 | {
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| 246 | Intersectable *obj = *oit;
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| 247 | switch (obj->Type())
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| 248 | {
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| 249 | case Intersectable::TRIANGLE_INTERSECTABLE:
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| 250 | {
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| 251 | TriangleIntersectable *ti = dynamic_cast<TriangleIntersectable *>(obj);
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| 252 | polys.push_back(new Polygon3(ti->GetItem()));
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| 253 | break;
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| 254 | }
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| 255 | default:
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| 256 | cout << "merging of object type " << obj->Type() << " not implemented yet" << endl;
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| 257 | break;
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| 258 | }
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| 259 | }
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| 260 |
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| 261 | Mesh dummyMesh;
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| 262 | PolygonContainer::const_iterator pit, pit_end = polys.end();
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| 263 |
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| 264 | for (pit = polys.begin(); pit != pit_end; ++ pit)
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| 265 | {
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| 266 | Polygon3 *poly = (*pit);
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| 267 | IncludePolyInMesh(*poly, dummyMesh);
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| 268 | }
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| 269 |
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| 270 | ExportMesh(&dummyMesh);
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| 271 | CLEAR_CONTAINER(polys);
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| 272 | }
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| 273 |
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| 274 |
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| 275 |
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[860] | 276 | } |
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