[1694] | 1 | #include "SceneGraph.h"
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| 2 | #include "Polygon3.h"
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| 3 | #include "Mesh.h"
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| 4 | #include "ObjExporter.h"
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| 5 |
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| 6 |
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[2176] | 7 | using namespace std;
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| 8 |
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[1694] | 9 | namespace GtpVisibilityPreprocessor {
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| 10 |
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| 11 | ObjExporter::ObjExporter(const string filename):Exporter(filename)
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| 12 | {
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| 13 | stream.open(mFilename.c_str());
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| 14 | stream<<"#File exported by GTP visibility preprocessor"<<endl;
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| 15 | vertexIndex = 1;
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| 16 | }
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| 17 |
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| 18 |
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| 19 | ObjExporter::~ObjExporter()
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| 20 | {
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| 21 | stream<<"# export finished"<<endl;
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| 22 | stream.close();
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| 23 | }
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| 24 |
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| 25 | void
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| 26 | ObjExporter::ExportSceneNode(SceneGraphNode *node)
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| 27 | {
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[2601] | 28 | if (!node->IsLeaf())
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| 29 | {
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| 30 | SceneGraphInterior *interior = static_cast<SceneGraphInterior *>(node);
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| 31 |
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| 32 | SceneGraphNodeContainer::iterator ni = interior->mChildren.begin();
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| 33 |
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| 34 | for (; ni != interior->mChildren.end(); ni++)
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| 35 | ExportSceneNode(*ni);
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| 36 | }
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| 37 | else
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| 38 | {
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| 39 |
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| 40 | SceneGraphLeaf *leaf = static_cast<SceneGraphLeaf *>(node);
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| 41 |
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| 42 | ObjectContainer::const_iterator mi = leaf->mGeometry.begin();
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| 43 |
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| 44 | for (; mi != leaf->mGeometry.end(); mi++)
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| 45 | { // export the transform ...
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| 46 | ExportIntersectable(*mi);
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| 47 | }
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| 48 | }
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[1694] | 49 | }
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| 50 |
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| 51 | void
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| 52 | ObjExporter::ExportMesh(Mesh *mesh)
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| 53 | {
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| 54 | int vertexOffset = vertexIndex;
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| 55 |
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| 56 | VertexContainer::const_iterator vi = mesh->mVertices.begin();
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| 57 | for (; vi != mesh->mVertices.end(); vi++) {
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| 58 | stream<<"v "<<(*vi).x<<" "<<(*vi).y<<" "<<(*vi).z<<endl;
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| 59 | vertexIndex ++;
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| 60 | }
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| 61 |
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| 62 | FaceContainer::const_iterator fi = mesh->mFaces.begin();
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| 63 | for (; fi != mesh->mFaces.end(); fi++) {
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| 64 | Face *face = *fi;
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| 65 | VertexIndexContainer::const_iterator vi = face->mVertexIndices.begin();
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| 66 | stream<<"f ";
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| 67 | for (; vi != face->mVertexIndices.end(); vi++)
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| 68 | stream<<vertexOffset + *vi<<" ";
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| 69 | stream<<endl;
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| 70 | }
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| 71 | }
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| 72 |
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| 73 |
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| 74 | void
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| 75 | ObjExporter::ExportPolygon(Polygon3 *poly)
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| 76 | {
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| 77 | int vertexOffset = vertexIndex;
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| 78 |
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| 79 | VertexContainer::const_iterator vi = poly->mVertices.begin();
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| 80 | for (; vi != poly->mVertices.end(); vi++) {
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| 81 | stream<<"v "<<(*vi).x<<" "<<(*vi).y<<" "<<(*vi).z<<endl;
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| 82 | vertexIndex ++;
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| 83 | }
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| 84 |
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| 85 | stream<<"f ";
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| 86 | int i = vertexOffset;
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| 87 | vi = poly->mVertices.begin();
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| 88 | for (; vi != poly->mVertices.end(); vi++, i++)
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| 89 | stream<<i<<" ";
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| 90 | stream<<endl;
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| 91 |
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| 92 | }
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| 93 |
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| 94 | }
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