[162] | 1 | #include <stack>
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| 2 | #include "common.h"
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| 3 | #include "SceneGraph.h"
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| 4 | #include "X3dExporter.h"
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| 5 | #include "Mesh.h"
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| 6 | #include "KdTree.h"
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[242] | 7 | #include "ViewCellBsp.h"
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| 8 | #include "ViewCell.h"
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[260] | 9 | #include "Polygon3.h"
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[386] | 10 | #include "VssRay.h"
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[418] | 11 | #include "VspKdTree.h"
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[434] | 12 | #include "VssTree.h"
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[449] | 13 | #include "VspBspTree.h"
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[450] | 14 | #include "RssTree.h"
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[162] | 15 |
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[449] | 16 |
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[162] | 17 | X3dExporter::X3dExporter(const string filename):Exporter(filename)
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| 18 | {
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| 19 | stream.open(mFilename.c_str());
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| 20 | stream<<"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"<<endl;
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| 21 | stream<<"<X3D>"<<endl;
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| 22 | stream<<"<Scene>"<<endl;
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| 23 |
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| 24 | }
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| 25 |
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| 26 | X3dExporter::~X3dExporter()
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| 27 | {
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| 28 | stream<<"</Scene>"<<endl;
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| 29 | stream<<"</X3D>"<<endl;
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| 30 | stream.close();
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| 31 | }
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| 32 |
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[176] | 33 |
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[386] | 34 | // bool
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| 35 | // X3dExporter::ExportRays(const vector<Ray> &rays,
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| 36 | // const float length,
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| 37 | // const RgbColor &color)
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| 38 | // {
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| 39 | // vector<Ray>::const_iterator ri = rays.begin();
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| 40 | // stream<<"<Shape>"<<endl;
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| 41 | // stream<<"<Appearance>"<<endl;
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| 42 | // stream<<"<Material ambientColor=\""<<color.r<<" "<<color.g<<" "<<color.b<<
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| 43 | // "\" />"<<endl;
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| 44 | // stream<<"</Appearance>"<<endl;
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| 45 |
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| 46 | // stream<<"<IndexedLineSet coordIndex=\""<<endl;
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| 47 |
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| 48 | // int index = 0;
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| 49 | // for (; ri != rays.end(); ri++) {
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| 50 | // stream<<index<<" "<<index+1<<" -1\n";
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| 51 | // index+=2;
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| 52 | // }
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| 53 |
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| 54 | // stream<<"\" >"<<endl;
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| 55 |
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| 56 | // stream<<"<Coordinate point=\""<<endl;
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| 57 |
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| 58 | // ri = rays.begin();
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| 59 | // for (; ri != rays.end(); ri++) {
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| 60 | // Vector3 a = (*ri).GetLoc();
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| 61 |
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| 62 | // Vector3 b;
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| 63 | // if (length < 0)
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| 64 | // b = (*ri).GetLoc() - length*(*ri).GetDir();
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| 65 | // else
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| 66 | // if ((*ri).intersections.size()==0)
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| 67 | // b = (*ri).GetLoc() + length*(*ri).GetDir();
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| 68 | // else
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| 69 | // b = (*ri).Extrap((*ri).intersections[0].mT);
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| 70 |
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| 71 | // stream<<a.x<<" "<<a.y<<" "<<a.z<<" ,";
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| 72 | // stream<<b.x<<" "<<b.y<<" "<<b.z<<" ,\n";
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| 73 | // }
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| 74 |
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| 75 | // stream<<"\" >"<<endl;
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| 76 | // stream<<"</Coordinate>"<<endl;
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| 77 | // stream<<"</IndexedLineSet>"<<endl;
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| 78 | // stream<<"</Shape>"<<endl;
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| 79 | // return true;
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| 80 | // }
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| 81 |
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| 82 |
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[162] | 83 | bool
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[386] | 84 | X3dExporter::ExportRays(const RayContainer &rays,
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[444] | 85 | const float length,
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| 86 | const RgbColor &color)
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[162] | 87 | {
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[386] | 88 | RayContainer::const_iterator ri = rays.begin();
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| 89 |
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[162] | 90 | stream<<"<Shape>"<<endl;
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[176] | 91 | stream<<"<Appearance>"<<endl;
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[427] | 92 | stream<<"<Material diffuseColor=\""<<color.r<<" "<<color.g<<" "<<color.b<<
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[176] | 93 | "\" />"<<endl;
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| 94 | stream<<"</Appearance>"<<endl;
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| 95 |
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[209] | 96 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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[162] | 97 |
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| 98 | int index = 0;
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| 99 | for (; ri != rays.end(); ri++) {
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| 100 | stream<<index<<" "<<index+1<<" -1\n";
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| 101 | index+=2;
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| 102 | }
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| 103 |
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| 104 | stream<<"\" >"<<endl;
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| 105 |
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| 106 | stream<<"<Coordinate point=\""<<endl;
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| 107 |
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| 108 | ri = rays.begin();
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| 109 | for (; ri != rays.end(); ri++) {
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[386] | 110 | Vector3 a = (*ri)->GetLoc();
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[162] | 111 |
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[176] | 112 | Vector3 b;
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| 113 | if (length < 0)
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[386] | 114 | b = (*ri)->GetLoc() - length*(*ri)->GetDir();
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[176] | 115 | else
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[386] | 116 | if ((*ri)->intersections.size()==0)
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[492] | 117 | b = (*ri)->GetLoc() + length*(*ri)->GetDir();
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[176] | 118 | else
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[492] | 119 | b = (*ri)->Extrap((*ri)->intersections[0].mT);
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[176] | 120 |
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[162] | 121 | stream<<a.x<<" "<<a.y<<" "<<a.z<<" ,";
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| 122 | stream<<b.x<<" "<<b.y<<" "<<b.z<<" ,\n";
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| 123 | }
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| 124 |
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| 125 | stream<<"\" >"<<endl;
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| 126 | stream<<"</Coordinate>"<<endl;
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| 127 | stream<<"</IndexedLineSet>"<<endl;
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| 128 | stream<<"</Shape>"<<endl;
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[386] | 129 |
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[162] | 130 | return true;
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| 131 | }
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| 132 |
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[349] | 133 | bool
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[386] | 134 | X3dExporter::ExportRays(const VssRayContainer &rays,
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[444] | 135 | const RgbColor &color)
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[349] | 136 | {
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[386] | 137 | VssRayContainer::const_iterator ri = rays.begin();
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[349] | 138 |
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| 139 | stream<<"<Shape>"<<endl;
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| 140 | stream<<"<Appearance>"<<endl;
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[427] | 141 | stream<<"<Material diffuseColor=\""<<color.r<<" "<<color.g<<" "<<color.b<<
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[349] | 142 | "\" />"<<endl;
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| 143 | stream<<"</Appearance>"<<endl;
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| 144 |
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| 145 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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| 146 |
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| 147 | int index = 0;
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| 148 | for (; ri != rays.end(); ri++) {
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| 149 | stream<<index<<" "<<index+1<<" -1\n";
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| 150 | index+=2;
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| 151 | }
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| 152 |
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| 153 | stream<<"\" >"<<endl;
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| 154 |
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| 155 | stream<<"<Coordinate point=\""<<endl;
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| 156 |
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| 157 | ri = rays.begin();
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| 158 | for (; ri != rays.end(); ri++) {
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[444] | 159 | const Vector3 a = (*ri)->GetOrigin();
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[483] | 160 | //const Vector3 b = (*ri)->mTerminationObject ? (*ri)->GetTermination() : a + 1000 * Normalize((*ri)->GetDir());
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| 161 | const Vector3 b = (*ri)->GetTermination(); // matt: change again!!
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| 162 |
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[349] | 163 | stream<<a.x<<" "<<a.y<<" "<<a.z<<" ,";
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[444] | 164 | stream<<b.x<<" "<<b.y<<" "<<b.z<<" ,\n";
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[349] | 165 | }
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| 166 |
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| 167 | stream<<"\" >"<<endl;
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| 168 | stream<<"</Coordinate>"<<endl;
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| 169 | stream<<"</IndexedLineSet>"<<endl;
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| 170 | stream<<"</Shape>"<<endl;
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[386] | 171 |
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[349] | 172 | return true;
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| 173 | }
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| 174 |
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[162] | 175 | void
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| 176 | X3dExporter::ExportSceneNode(SceneGraphNode *node)
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| 177 | {
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| 178 | stream<<"<Group>"<<endl;
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| 179 |
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| 180 | SceneGraphNodeContainer::iterator ni = node->mChildren.begin();
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| 181 | for (; ni != node->mChildren.end(); ni++)
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| 182 | ExportSceneNode(*ni);
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| 183 |
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| 184 |
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[176] | 185 | ObjectContainer::const_iterator mi = node->mGeometry.begin();
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[162] | 186 | for (; mi != node->mGeometry.end(); mi++) {
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| 187 | // export the transform...
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[176] | 188 | ExportIntersectable(*mi);
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[162] | 189 | }
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| 190 |
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| 191 | stream<<"</Group>"<<endl;
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| 192 |
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| 193 | }
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[176] | 194 | void
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| 195 | X3dExporter::ExportIntersectable(Intersectable *object)
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| 196 | {
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| 197 | switch (object->Type()) {
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| 198 | case Intersectable::MESH_INSTANCE:
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| 199 | case Intersectable::TRANSFORMED_MESH_INSTANCE:
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| 200 | ExportMeshInstance((MeshInstance *)object);
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[242] | 201 | break;
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[308] | 202 | case Intersectable::VIEW_CELL:
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[242] | 203 | ExportViewCell((ViewCell *)object);
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[176] | 204 | break;
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| 205 | default:
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| 206 | cerr<<"Sorry the export for object not yet defined"<<endl;
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| 207 | break;
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| 208 | }
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| 209 | }
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[162] | 210 |
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| 211 | void
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[176] | 212 | X3dExporter::ExportMeshInstance(MeshInstance *object)
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| 213 | {
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| 214 | // $$JB$$
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[312] | 215 | // in the future check whether the mesh was not already exported
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[176] | 216 | // and use a reference to the that mesh instead
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| 217 | ExportMesh(object->GetMesh());
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| 218 | }
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| 219 |
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[313] | 220 | void
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| 221 | X3dExporter::ExportViewCells(const ViewCellContainer &viewCells)
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[261] | 222 | {
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[313] | 223 | ViewCellContainer::const_iterator it, it_end = viewCells.end();
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[261] | 224 |
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[313] | 225 | for (it = viewCells.begin(); it != it_end; ++ it)
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[261] | 226 | ExportViewCell(*it);
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| 227 | }
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[313] | 228 |
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[373] | 229 | void
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[396] | 230 | X3dExporter::ExportBspLeaves(const BspTree &tree, const int maxPvs)
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[373] | 231 | {
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[396] | 232 | stack<pair<BspNode *, BspNodeGeometry *> > tStack;
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| 233 | ViewCell::NewMail();
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[373] | 234 |
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[396] | 235 | BspNodeGeometry *geom = new BspNodeGeometry();
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| 236 | tree.ConstructGeometry(tree.GetRoot(), *geom);
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[373] | 237 |
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[396] | 238 | tStack.push(pair<BspNode *, BspNodeGeometry *>(tree.GetRoot(), geom));
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| 239 |
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| 240 | if (maxPvs > 0)
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| 241 | mUseForcedMaterial = true;
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| 242 |
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| 243 | while (!tStack.empty())
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[373] | 244 | {
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[396] | 245 | BspNode *node = tStack.top().first;
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| 246 | BspNodeGeometry *cell = tStack.top().second;
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| 247 | tStack.pop();
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| 248 |
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| 249 | if (!node->IsLeaf())
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| 250 | {
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| 251 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
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| 252 |
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| 253 | BspNodeGeometry *front = new BspNodeGeometry();
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| 254 | BspNodeGeometry *back = new BspNodeGeometry();
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| 255 |
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[449] | 256 | cell->SplitGeometry(*front,
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| 257 | *back,
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| 258 | interior->GetPlane(),
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| 259 | tree.GetBoundingBox(),
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| 260 | tree.GetEpsilon());
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[396] | 261 |
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| 262 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetFront(), front));
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| 263 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetBack(), back));
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| 264 | }
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| 265 | else
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| 266 | {
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| 267 | if (maxPvs > 0)
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| 268 | {
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| 269 | BspLeaf *leaf = dynamic_cast<BspLeaf *>(node);
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| 270 |
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| 271 | mForcedMaterial.mDiffuseColor.b = 1.0f;
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| 272 | float importance = (float)leaf->GetViewCell()->GetPvs().GetSize() / (float)maxPvs;
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| 273 |
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| 274 | mForcedMaterial.mDiffuseColor.r = importance;
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| 275 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
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| 276 | }
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| 277 |
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| 278 | ExportPolygons(cell->mPolys);
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| 279 | }
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| 280 |
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| 281 | DEL_PTR(cell);
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[373] | 282 | }
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| 283 | }
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| 284 |
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[176] | 285 | void
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[261] | 286 | X3dExporter::ExportViewCell(ViewCell *viewCell)
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[242] | 287 | {
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[261] | 288 | if (viewCell->GetMesh())
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| 289 | ExportMesh(viewCell->GetMesh());
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[242] | 290 | }
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| 291 |
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| 292 | void
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[162] | 293 | X3dExporter::ExportMesh(Mesh *mesh)
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| 294 | {
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| 295 |
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| 296 | stream<<"<Shape>"<<endl;
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| 297 | stream<<"<Appearance>"<<endl;
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[176] | 298 |
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[162] | 299 | // $$ tmp -> random material
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| 300 |
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| 301 | float r, g, b;
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| 302 |
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[176] | 303 | if (mUseForcedMaterial) {
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| 304 | r = mForcedMaterial.mDiffuseColor.r;
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| 305 | g = mForcedMaterial.mDiffuseColor.g;
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| 306 | b = mForcedMaterial.mDiffuseColor.b;
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| 307 |
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| 308 | } else
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| 309 | if (mesh->mMaterial) {
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| 310 | r = mesh->mMaterial->mDiffuseColor.r;
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| 311 | g = mesh->mMaterial->mDiffuseColor.g;
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| 312 | b = mesh->mMaterial->mDiffuseColor.b;
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| 313 | } else {
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| 314 | r = RandomValue(0.5, 1.0);
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| 315 | g = RandomValue(0.5, 1.0);
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| 316 | b = RandomValue(0.5, 1.0);
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| 317 | }
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[162] | 318 | stream<<"<Material diffuseColor=\""<<r<<" "<<g<<" "<<b<<
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| 319 | "\" specularColor=\"0.0 0.0 0.0\"/>"<<endl;
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| 320 | stream<<"</Appearance>"<<endl;
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| 321 |
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| 322 |
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[191] | 323 | if (mWireframe)
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[427] | 324 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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[162] | 325 | else
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[465] | 326 | //stream<<"<IndexedFaceSet ccw=\"TRUE\" coordIndex=\""<<endl;
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| 327 | stream << "<IndexedFaceSet coordIndex=\"" << endl;
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[162] | 328 |
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| 329 | FaceContainer::const_iterator fi = mesh->mFaces.begin();
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| 330 |
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| 331 | int index = 0;
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| 332 |
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| 333 | for (; fi != mesh->mFaces.end(); fi++) {
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| 334 | Face *face = *fi;
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| 335 | VertexIndexContainer::const_iterator vi = face->mVertexIndices.begin();
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| 336 | for (; vi != face->mVertexIndices.end(); vi++)
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| 337 | stream<<*vi<<" ";
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[378] | 338 | if (mWireframe) // final line to finish polygon
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| 339 | stream << (*face->mVertexIndices.begin()) << " ";
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| 340 |
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[162] | 341 | stream<<"-1"<<endl;
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| 342 | }
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| 343 | stream<<"\" >"<<endl;
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| 344 |
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| 345 | stream<<"<Coordinate point=\""<<endl;
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| 346 |
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| 347 | VertexContainer::const_iterator vi = mesh->mVertices.begin();
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| 348 | for (; vi != mesh->mVertices.end(); vi++) {
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| 349 | stream<<(*vi).x<<" "<<(*vi).y<<" "<<(*vi).z;
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| 350 | stream<<","<<endl;
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| 351 | }
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| 352 |
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| 353 | stream<<"\" >"<<endl;
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| 354 | stream<<"</Coordinate>"<<endl;
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| 355 |
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[191] | 356 | if (mWireframe)
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[162] | 357 | stream<<"</IndexedLineSet>"<<endl;
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| 358 | else
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| 359 | stream<<"</IndexedFaceSet>"<<endl;
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| 360 |
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| 361 | stream<<"</Shape>"<<endl;
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| 362 |
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| 363 | }
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| 364 |
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[242] | 365 |
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| 366 | void X3dExporter::ExportPolygon(Polygon3 *poly)
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| 367 | {
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| 368 | stream << "<Shape>" << endl;
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| 369 | stream << "<Appearance>" << endl;
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| 370 |
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| 371 | // $$ tmp -> random material
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| 372 |
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| 373 | float r, g, b;
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| 374 |
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| 375 | if (mUseForcedMaterial)
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| 376 | {
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| 377 | r = mForcedMaterial.mDiffuseColor.r;
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| 378 | g = mForcedMaterial.mDiffuseColor.g;
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| 379 | b = mForcedMaterial.mDiffuseColor.b;
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| 380 | }
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| 381 | else if (poly->mMaterial)
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| 382 | {
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| 383 | r = poly->mMaterial->mDiffuseColor.r;
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| 384 | g = poly->mMaterial->mDiffuseColor.g;
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| 385 | b = poly->mMaterial->mDiffuseColor.b;
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| 386 | } else
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| 387 | {
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| 388 | r = RandomValue(0.5, 1.0);
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| 389 | g = RandomValue(0.5, 1.0);
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| 390 | b = RandomValue(0.5, 1.0);
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| 391 | }
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| 392 |
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| 393 | stream << "<Material diffuseColor=\"" << r << " " << g << " " << b
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| 394 | << "\" specularColor=\"0.0 0.0 0.0\"/>" << endl;
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| 395 |
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| 396 | stream << "</Appearance>" << endl;
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| 397 |
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| 398 |
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[262] | 399 | //-- create and write indices
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[242] | 400 | if (mWireframe)
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[465] | 401 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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[242] | 402 | else
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[465] | 403 | //stream << "<IndexedFaceSet ccw=\"TRUE\" coordIndex=\"" << endl;
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| 404 | stream << "<IndexedFaceSet coordIndex=\"" << endl;
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[262] | 405 | int index = 0;
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| 406 |
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| 407 | VertexContainer::const_iterator vi;
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| 408 |
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[333] | 409 | for (index = 0; index < (int)poly->mVertices.size(); ++ index)
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[318] | 410 | stream << index << " ";
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| 411 |
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| 412 | if (mWireframe) // final line to finish polygon
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| 413 | stream << "0 ";
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| 414 |
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[262] | 415 | stream << "-1" << endl;
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| 416 | stream << "\" >" << endl;
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| 417 |
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[242] | 418 | stream << "<Coordinate point=\"" << endl;
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| 419 |
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[262] | 420 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
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[242] | 421 | {
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| 422 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
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| 423 | stream << "," << endl;
|
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| 424 | }
|
---|
| 425 |
|
---|
[262] | 426 | stream << "\" >" << endl;
|
---|
| 427 | stream << "</Coordinate>" << endl;
|
---|
[242] | 428 |
|
---|
| 429 | if (mWireframe)
|
---|
| 430 | stream << "</IndexedLineSet>" << endl;
|
---|
| 431 | else
|
---|
| 432 | stream << "</IndexedFaceSet>" << endl;
|
---|
| 433 |
|
---|
| 434 | stream << "</Shape>" << endl;
|
---|
| 435 | }
|
---|
| 436 |
|
---|
[313] | 437 | void X3dExporter::ExportPolygons(const PolygonContainer &polys)
|
---|
[263] | 438 | {
|
---|
[318] | 439 | stream << "<Shape>" << endl;
|
---|
[263] | 440 | stream << "<Appearance>" << endl;
|
---|
| 441 |
|
---|
| 442 | // $$ tmp -> random material
|
---|
| 443 |
|
---|
| 444 | float r, g, b;
|
---|
[242] | 445 |
|
---|
[263] | 446 | if (mUseForcedMaterial)
|
---|
| 447 | {
|
---|
| 448 | r = mForcedMaterial.mDiffuseColor.r;
|
---|
| 449 | g = mForcedMaterial.mDiffuseColor.g;
|
---|
| 450 | b = mForcedMaterial.mDiffuseColor.b;
|
---|
| 451 | }
|
---|
| 452 | else
|
---|
| 453 | {
|
---|
| 454 | r = RandomValue(0.5, 1.0);
|
---|
| 455 | g = RandomValue(0.5, 1.0);
|
---|
| 456 | b = RandomValue(0.5, 1.0);
|
---|
| 457 | }
|
---|
| 458 |
|
---|
| 459 | stream << "<Material diffuseColor=\"" << r << " " << g << " " << b
|
---|
| 460 | << "\" specularColor=\"0.0 0.0 0.0\"/>" << endl;
|
---|
| 461 |
|
---|
| 462 | stream << "</Appearance>" << endl;
|
---|
| 463 |
|
---|
| 464 |
|
---|
| 465 | //-- create and write indices
|
---|
| 466 | if (mWireframe)
|
---|
[465] | 467 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
|
---|
[263] | 468 | else
|
---|
[465] | 469 | //stream << "<IndexedFaceSet ccw=\"TRUE\" coordIndex=\"" << endl;
|
---|
| 470 | stream << "<IndexedFaceSet coordIndex=\"" << endl;
|
---|
[263] | 471 |
|
---|
| 472 | int index = 0;
|
---|
| 473 |
|
---|
| 474 | PolygonContainer::const_iterator pit;
|
---|
| 475 |
|
---|
| 476 | VertexContainer::const_iterator vi;
|
---|
| 477 |
|
---|
[313] | 478 | for (pit = polys.begin(); pit != polys.end(); ++pit)
|
---|
[263] | 479 | {
|
---|
| 480 | Polygon3 *poly = *pit;
|
---|
[318] | 481 | int startIdx = index;
|
---|
[263] | 482 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
| 483 | {
|
---|
| 484 | stream << index ++ << " ";
|
---|
| 485 | }
|
---|
[318] | 486 |
|
---|
| 487 | stream << startIdx << " ";// finish line
|
---|
[263] | 488 | stream << "-1" << endl;
|
---|
| 489 | }
|
---|
| 490 |
|
---|
| 491 | stream << "\" >" << endl;
|
---|
| 492 |
|
---|
| 493 | stream << "<Coordinate point=\"" << endl;
|
---|
[318] | 494 | for (pit = polys.begin(); pit != polys.end(); ++ pit)
|
---|
[263] | 495 | {
|
---|
| 496 | Polygon3 *poly = *pit;
|
---|
| 497 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
| 498 | {
|
---|
| 499 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
|
---|
| 500 | stream << "," << endl;
|
---|
| 501 | }
|
---|
| 502 | }
|
---|
| 503 | stream << "\" >" << endl;
|
---|
| 504 | stream << "</Coordinate>" << endl;
|
---|
| 505 |
|
---|
| 506 | if (mWireframe)
|
---|
| 507 | stream << "</IndexedLineSet>" << endl;
|
---|
| 508 | else
|
---|
| 509 | stream << "</IndexedFaceSet>" << endl;
|
---|
| 510 |
|
---|
| 511 | stream << "</Shape>" << endl;
|
---|
| 512 | }
|
---|
| 513 |
|
---|
[162] | 514 | bool
|
---|
| 515 | X3dExporter::ExportBox(const AxisAlignedBox3 &box)
|
---|
| 516 | {
|
---|
| 517 | Mesh *mesh = new Mesh;
|
---|
| 518 | // add 6 vertices of the box
|
---|
[289] | 519 | int index = (int)mesh->mVertices.size();
|
---|
[162] | 520 | for (int i=0; i < 8; i++) {
|
---|
| 521 | Vector3 v;
|
---|
| 522 | box.GetVertex(i, v);
|
---|
| 523 | mesh->mVertices.push_back(v);
|
---|
| 524 | }
|
---|
| 525 |
|
---|
| 526 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
| 527 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
| 528 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
| 529 |
|
---|
| 530 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
| 531 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
| 532 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
| 533 |
|
---|
| 534 | ExportMesh(mesh);
|
---|
| 535 | delete mesh;
|
---|
| 536 | return true;
|
---|
| 537 | }
|
---|
| 538 |
|
---|
| 539 | bool
|
---|
[242] | 540 | X3dExporter::ExportBspTree(const BspTree &tree)
|
---|
[162] | 541 | {
|
---|
[242] | 542 | if (mExportRayDensity)
|
---|
| 543 | {
|
---|
[263] | 544 | return ExportBspTreeRayDensity(tree);
|
---|
[242] | 545 | }
|
---|
| 546 |
|
---|
[264] | 547 | bool savedWireframe = mWireframe;
|
---|
| 548 |
|
---|
| 549 | SetWireframe();
|
---|
| 550 |
|
---|
[396] | 551 | ExportBox(tree.GetBoundingBox());
|
---|
| 552 |
|
---|
[264] | 553 | if (!savedWireframe)
|
---|
| 554 | SetFilled();
|
---|
| 555 |
|
---|
[373] | 556 | // export view cells
|
---|
[482] | 557 | ExportBspLeaves(tree);
|
---|
[289] | 558 |
|
---|
[263] | 559 | return true;
|
---|
[242] | 560 | }
|
---|
| 561 |
|
---|
[425] | 562 | bool X3dExporter::ExportVspKdTree(const VspKdTree &tree, const int maxPvs)
|
---|
[418] | 563 | {
|
---|
[462] | 564 | stack<VspKdNode *> tStack;
|
---|
[418] | 565 |
|
---|
[422] | 566 | tStack.push(tree.GetRoot());
|
---|
| 567 |
|
---|
[425] | 568 | //Mesh *mesh = new Mesh;
|
---|
[418] | 569 |
|
---|
[425] | 570 | if (maxPvs > 0)
|
---|
| 571 | mUseForcedMaterial = true;
|
---|
| 572 |
|
---|
[422] | 573 | while (!tStack.empty())
|
---|
| 574 | {
|
---|
[462] | 575 | VspKdNode *node = tStack.top();
|
---|
[418] | 576 |
|
---|
[422] | 577 | tStack.pop();
|
---|
[418] | 578 |
|
---|
[426] | 579 | if (node->IsLeaf())
|
---|
| 580 | {
|
---|
| 581 | AxisAlignedBox3 box = tree.GetBBox(node);
|
---|
[425] | 582 |
|
---|
[426] | 583 | Mesh *mesh = new Mesh;
|
---|
[425] | 584 |
|
---|
[426] | 585 | // add 6 vertices of the box
|
---|
| 586 | int index = (int)mesh->mVertices.size();
|
---|
[418] | 587 |
|
---|
[426] | 588 | for (int i=0; i < 8; ++ i)
|
---|
| 589 | {
|
---|
| 590 | Vector3 v;
|
---|
| 591 | box.GetVertex(i, v);
|
---|
| 592 | mesh->mVertices.push_back(v);
|
---|
| 593 | }
|
---|
[418] | 594 |
|
---|
[426] | 595 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
| 596 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
| 597 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
[418] | 598 |
|
---|
[426] | 599 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
| 600 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
| 601 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
[425] | 602 |
|
---|
[426] | 603 | if (maxPvs > 0)
|
---|
| 604 | {
|
---|
[462] | 605 | VspKdLeaf *leaf = dynamic_cast<VspKdLeaf *>(node);
|
---|
[425] | 606 |
|
---|
[426] | 607 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 608 |
|
---|
| 609 | leaf->UpdatePvsSize();
|
---|
| 610 |
|
---|
| 611 | const float importance = (float)leaf->GetPvsSize() / (float)maxPvs;
|
---|
| 612 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
| 613 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 614 | }
|
---|
[425] | 615 |
|
---|
[426] | 616 | ExportMesh(mesh);
|
---|
| 617 | DEL_PTR(mesh);
|
---|
| 618 | }
|
---|
| 619 | else
|
---|
[422] | 620 | {
|
---|
[462] | 621 | VspKdInterior *interior = dynamic_cast<VspKdInterior *>(node);
|
---|
[422] | 622 | tStack.push(interior->GetFront());
|
---|
| 623 | tStack.push(interior->GetBack());
|
---|
| 624 | }
|
---|
| 625 | }
|
---|
[418] | 626 |
|
---|
[425] | 627 | //ExportMesh(mesh);
|
---|
| 628 | //DEL_PTR(mesh);
|
---|
[418] | 629 |
|
---|
[422] | 630 | return true;
|
---|
[418] | 631 | }
|
---|
| 632 |
|
---|
[462] | 633 |
|
---|
[242] | 634 | bool X3dExporter::ExportKdTree(const KdTree &tree)
|
---|
| 635 | {
|
---|
| 636 | if (mExportRayDensity) {
|
---|
[191] | 637 | return ExportKdTreeRayDensity(tree);
|
---|
| 638 | }
|
---|
| 639 |
|
---|
[162] | 640 | stack<KdNode *> tStack;
|
---|
| 641 |
|
---|
| 642 | tStack.push(tree.GetRoot());
|
---|
| 643 |
|
---|
| 644 | Mesh *mesh = new Mesh;
|
---|
| 645 |
|
---|
| 646 | while (!tStack.empty()) {
|
---|
| 647 | KdNode *node = tStack.top();
|
---|
| 648 | tStack.pop();
|
---|
| 649 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
| 650 | // add 6 vertices of the box
|
---|
[289] | 651 | int index = (int)mesh->mVertices.size();
|
---|
[162] | 652 | for (int i=0; i < 8; i++) {
|
---|
| 653 | Vector3 v;
|
---|
| 654 | box.GetVertex(i, v);
|
---|
| 655 | mesh->mVertices.push_back(v);
|
---|
| 656 | }
|
---|
| 657 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
| 658 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
| 659 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
| 660 |
|
---|
| 661 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
| 662 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
| 663 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
| 664 |
|
---|
| 665 | if (!node->IsLeaf()) {
|
---|
| 666 | KdInterior *interior = (KdInterior *)node;
|
---|
| 667 | tStack.push(interior->mFront);
|
---|
| 668 | tStack.push(interior->mBack);
|
---|
| 669 | }
|
---|
| 670 | }
|
---|
| 671 |
|
---|
| 672 | ExportMesh(mesh);
|
---|
| 673 | delete mesh;
|
---|
| 674 | return true;
|
---|
[242] | 675 | // TODO
|
---|
| 676 | return true;
|
---|
[162] | 677 | }
|
---|
| 678 |
|
---|
| 679 |
|
---|
[434] | 680 |
|
---|
| 681 |
|
---|
[191] | 682 | bool
|
---|
[438] | 683 | X3dExporter::ExportVssTree(const VssTree &tree
|
---|
| 684 | )
|
---|
[434] | 685 | {
|
---|
| 686 | stack<VssTreeNode *> tStack;
|
---|
| 687 |
|
---|
| 688 | tStack.push(tree.GetRoot());
|
---|
| 689 |
|
---|
| 690 | Mesh *mesh = new Mesh;
|
---|
| 691 | VssRayContainer rays;
|
---|
| 692 |
|
---|
| 693 | while (!tStack.empty()) {
|
---|
| 694 |
|
---|
| 695 | VssTreeNode *node = tStack.top();
|
---|
| 696 | tStack.pop();
|
---|
| 697 |
|
---|
| 698 |
|
---|
| 699 | if (!node->IsLeaf()) {
|
---|
| 700 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
| 701 | tStack.push(interior->front);
|
---|
| 702 | tStack.push(interior->back);
|
---|
| 703 | } else {
|
---|
| 704 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
| 705 | AxisAlignedBox3 box;
|
---|
| 706 | box = tree.GetBBox(leaf);
|
---|
[486] | 707 | box.AddBoxToMesh(mesh);
|
---|
[434] | 708 |
|
---|
| 709 | if (tree.ValidLeaf(leaf)) {
|
---|
| 710 |
|
---|
| 711 | Vector3 origin = box.Center();
|
---|
| 712 | box = tree.GetDirBBox(leaf);
|
---|
| 713 | VssRay *ray;
|
---|
| 714 |
|
---|
| 715 | const indices[][2] = {{0,0}, {0,1}, {1,1}, {1,0}};
|
---|
| 716 | MeshInstance dummy(mesh);
|
---|
| 717 | for (int i=0; i < 4; i++) {
|
---|
| 718 | // Vector3 v = box.GetVertex(indices[i][0], indices[i][1], 0);
|
---|
| 719 | Vector3 v = box.Center();
|
---|
| 720 |
|
---|
| 721 | Vector3 direction = VssRay::GetDirection(v.x, v.y);
|
---|
[438] | 722 | if (Magnitude(direction) > Limits::Small)
|
---|
| 723 | direction.Normalize();
|
---|
| 724 | else
|
---|
| 725 | direction = Vector3(0, 1, 0);
|
---|
[435] | 726 | float k = 100.0f*leaf->GetImportance();
|
---|
[434] | 727 | // get 4 corners of the ray directions
|
---|
| 728 |
|
---|
| 729 | ray = new VssRay(origin, origin + (direction*k), NULL, &dummy);
|
---|
| 730 | rays.push_back(ray);
|
---|
| 731 | }
|
---|
| 732 | }
|
---|
| 733 | }
|
---|
| 734 | }
|
---|
| 735 |
|
---|
| 736 | ExportMesh(mesh);
|
---|
[438] | 737 | ExportRays(rays);
|
---|
| 738 | CLEAR_CONTAINER(rays);
|
---|
[434] | 739 | delete mesh;
|
---|
| 740 | return true;
|
---|
| 741 | }
|
---|
| 742 |
|
---|
| 743 | bool
|
---|
[438] | 744 | X3dExporter::ExportVssTree2(const VssTree &tree,
|
---|
| 745 | const Vector3 direction
|
---|
| 746 | )
|
---|
| 747 | {
|
---|
| 748 | stack<VssTreeNode *> tStack;
|
---|
| 749 |
|
---|
| 750 |
|
---|
| 751 | mUseForcedMaterial = true;
|
---|
| 752 |
|
---|
| 753 | Vector3 dirParam;
|
---|
| 754 |
|
---|
| 755 | dirParam.x = VssRay::GetDirParam(0, Normalize(direction));
|
---|
| 756 | dirParam.y = VssRay::GetDirParam(1, Normalize(direction));
|
---|
| 757 |
|
---|
| 758 | float maxImportance = 0.0f;
|
---|
| 759 | tStack.push(tree.GetRoot());
|
---|
| 760 | while (!tStack.empty()) {
|
---|
| 761 |
|
---|
| 762 | VssTreeNode *node = tStack.top();
|
---|
| 763 | tStack.pop();
|
---|
| 764 |
|
---|
| 765 | if (!node->IsLeaf()) {
|
---|
| 766 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
| 767 | if (interior->axis < 3) {
|
---|
| 768 | tStack.push(interior->front);
|
---|
| 769 | tStack.push(interior->back);
|
---|
| 770 | } else {
|
---|
| 771 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 772 | tStack.push(interior->back);
|
---|
| 773 | else
|
---|
| 774 | tStack.push(interior->front);
|
---|
| 775 | }
|
---|
| 776 | } else {
|
---|
| 777 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
| 778 | if (tree.ValidLeaf(leaf)) {
|
---|
| 779 | float i = leaf->GetImportance();
|
---|
| 780 | if (i > maxImportance)
|
---|
| 781 | maxImportance = i;
|
---|
| 782 | }
|
---|
| 783 | }
|
---|
| 784 | }
|
---|
| 785 |
|
---|
| 786 | tStack.push(tree.GetRoot());
|
---|
| 787 | while (!tStack.empty()) {
|
---|
| 788 |
|
---|
| 789 | VssTreeNode *node = tStack.top();
|
---|
| 790 | tStack.pop();
|
---|
| 791 |
|
---|
| 792 |
|
---|
| 793 | if (!node->IsLeaf()) {
|
---|
| 794 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
| 795 | if (interior->axis < 3) {
|
---|
| 796 | tStack.push(interior->front);
|
---|
| 797 | tStack.push(interior->back);
|
---|
| 798 | } else {
|
---|
| 799 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 800 | tStack.push(interior->back);
|
---|
| 801 | else
|
---|
| 802 | tStack.push(interior->front);
|
---|
| 803 | }
|
---|
| 804 | } else {
|
---|
| 805 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
| 806 | if (tree.ValidLeaf(leaf)) {
|
---|
| 807 | AxisAlignedBox3 box;
|
---|
| 808 | box = tree.GetBBox(leaf);
|
---|
| 809 | Mesh *mesh = new Mesh;
|
---|
[486] | 810 | box.AddBoxToMesh(mesh);
|
---|
[438] | 811 |
|
---|
| 812 | // get 4 corners of the ray directions
|
---|
| 813 |
|
---|
| 814 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 815 | mForcedMaterial.mDiffuseColor.r = leaf->GetImportance()/maxImportance;
|
---|
| 816 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 817 |
|
---|
| 818 | ExportMesh(mesh);
|
---|
| 819 | delete mesh;
|
---|
| 820 | }
|
---|
| 821 | }
|
---|
| 822 | }
|
---|
| 823 |
|
---|
| 824 | mUseForcedMaterial = false;
|
---|
| 825 |
|
---|
| 826 | return true;
|
---|
| 827 | }
|
---|
| 828 |
|
---|
| 829 | bool
|
---|
[263] | 830 | X3dExporter::ExportBspTreeRayDensity(const BspTree &tree)
|
---|
| 831 | {
|
---|
[311] | 832 | stack<BspNode *> tStack;
|
---|
| 833 |
|
---|
| 834 | tStack.push(tree.GetRoot());
|
---|
| 835 |
|
---|
| 836 | bool fm = mUseForcedMaterial;
|
---|
| 837 |
|
---|
| 838 | mUseForcedMaterial = true;
|
---|
| 839 |
|
---|
| 840 | mForcedMaterial.mDiffuseColor.g = 1.0f;
|
---|
| 841 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 842 |
|
---|
| 843 | while (!tStack.empty())
|
---|
| 844 | {
|
---|
| 845 | BspNode *node = tStack.top();
|
---|
| 846 | tStack.pop();
|
---|
| 847 |
|
---|
| 848 | if (node->IsLeaf())
|
---|
| 849 | {
|
---|
| 850 | ViewCell *vc = dynamic_cast<BspLeaf *>(node)->GetViewCell();
|
---|
| 851 |
|
---|
| 852 | // set the mesh material according to the ray density
|
---|
| 853 | if (vc->mPassingRays.mRays)
|
---|
| 854 | {
|
---|
[313] | 855 | float importance =
|
---|
[438] | 856 | vc->mPassingRays.mContributions / (float)vc->mPassingRays.mRays;
|
---|
| 857 |
|
---|
[311] | 858 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
| 859 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 860 | ExportViewCell(vc);
|
---|
[438] | 861 | }
|
---|
[311] | 862 | } else
|
---|
| 863 | {
|
---|
| 864 | BspInterior *interior = (BspInterior *)node;
|
---|
| 865 | tStack.push(interior->GetFront());
|
---|
| 866 | tStack.push(interior->GetBack());
|
---|
| 867 | }
|
---|
| 868 | }
|
---|
| 869 |
|
---|
| 870 | // restore the state of forced material
|
---|
| 871 | mUseForcedMaterial = fm;
|
---|
| 872 |
|
---|
[263] | 873 | return true;
|
---|
| 874 | }
|
---|
| 875 |
|
---|
| 876 | bool
|
---|
[191] | 877 | X3dExporter::ExportKdTreeRayDensity(const KdTree &tree)
|
---|
| 878 | {
|
---|
| 879 | stack<KdNode *> tStack;
|
---|
| 880 |
|
---|
| 881 | tStack.push(tree.GetRoot());
|
---|
| 882 |
|
---|
| 883 | bool fm = mUseForcedMaterial;
|
---|
| 884 | mUseForcedMaterial = true;
|
---|
| 885 | mForcedMaterial.mDiffuseColor.g = 1.0f;
|
---|
| 886 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 887 | while (!tStack.empty()) {
|
---|
| 888 | KdNode *node = tStack.top();
|
---|
| 889 | tStack.pop();
|
---|
| 890 | if (node->IsLeaf()) {
|
---|
| 891 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
| 892 | Mesh *mesh = new Mesh;
|
---|
| 893 |
|
---|
| 894 | // add 6 vertices of the box
|
---|
[289] | 895 | int index = (int)mesh->mVertices.size();
|
---|
[191] | 896 | for (int i=0; i < 8; i++) {
|
---|
| 897 | Vector3 v;
|
---|
| 898 | box.GetVertex(i, v);
|
---|
| 899 | mesh->mVertices.push_back(v);
|
---|
| 900 | }
|
---|
| 901 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
| 902 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
| 903 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
| 904 |
|
---|
| 905 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
| 906 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
| 907 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
| 908 |
|
---|
| 909 |
|
---|
| 910 | // set the mesh material according to the ray density
|
---|
| 911 | KdLeaf *leaf = (KdLeaf *) node;
|
---|
| 912 | if (leaf->mPassingRays.mRays) {
|
---|
| 913 | float importance = leaf->mPassingRays.mContributions/(float)leaf->mPassingRays.mRays;
|
---|
| 914 | // float importance = leaf->mPassingRays.mContributions/1000.0f;
|
---|
| 915 | // float importance = leaf->mPassingRays.mRays/1000.0f;
|
---|
| 916 | ///(float)leaf->mPassingRays.mRays;
|
---|
| 917 | // mForcedMaterial.mDiffuseColor.r = log10(leaf->mPassingRays.mRays)/3.0f;
|
---|
| 918 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
| 919 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 920 | ExportMesh(mesh);
|
---|
| 921 | }
|
---|
| 922 | delete mesh;
|
---|
| 923 | } else {
|
---|
| 924 | KdInterior *interior = (KdInterior *)node;
|
---|
| 925 | tStack.push(interior->mFront);
|
---|
| 926 | tStack.push(interior->mBack);
|
---|
| 927 | }
|
---|
| 928 | }
|
---|
| 929 | // restore the state of forced material
|
---|
| 930 | mUseForcedMaterial = fm;
|
---|
| 931 | return true;
|
---|
| 932 | }
|
---|
[312] | 933 |
|
---|
[329] | 934 |
|
---|
[312] | 935 | struct BspSplitData
|
---|
| 936 | {
|
---|
[372] | 937 | /// the current node
|
---|
| 938 | BspNode *mNode;
|
---|
| 939 |
|
---|
[449] | 940 | vector<Plane3> mPlanes;
|
---|
[372] | 941 | vector<bool> mSides;
|
---|
| 942 | bool mIsFront;
|
---|
[383] | 943 | int mDepth;
|
---|
[372] | 944 |
|
---|
[313] | 945 | BspSplitData(BspNode *node):
|
---|
[383] | 946 | mNode(node), mIsFront(false), mDepth(0)
|
---|
[372] | 947 | {};
|
---|
[383] | 948 |
|
---|
[312] | 949 | BspSplitData(BspNode *node,
|
---|
[449] | 950 | vector<Plane3> planes,
|
---|
[329] | 951 | vector<bool> sides,
|
---|
[383] | 952 | const bool isFront,
|
---|
| 953 | const int depth):
|
---|
| 954 | mNode(node), mPlanes(planes), mSides(sides),
|
---|
| 955 | mIsFront(isFront), mDepth(depth)
|
---|
[312] | 956 | {};
|
---|
| 957 | };
|
---|
| 958 |
|
---|
[383] | 959 | void X3dExporter::ExportLeavesGeometry(const BspTree &tree,
|
---|
| 960 | const vector<BspLeaf *> &leaves)
|
---|
[360] | 961 | {
|
---|
| 962 | vector<BspLeaf *>::const_iterator it, it_end = leaves.end();
|
---|
| 963 |
|
---|
| 964 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 965 | {
|
---|
[503] | 966 | BspNodeGeometry geom;
|
---|
| 967 | tree.ConstructGeometry(*it, geom);
|
---|
[360] | 968 |
|
---|
[503] | 969 | ExportPolygons(geom.mPolys);
|
---|
[360] | 970 | }
|
---|
| 971 | }
|
---|
| 972 |
|
---|
[449] | 973 | void X3dExporter::ExportBspNodeSplits(BspNode *root,
|
---|
| 974 | const AxisAlignedBox3 &box,
|
---|
| 975 | const bool exportDepth,
|
---|
| 976 | const bool epsilon)
|
---|
[372] | 977 | {
|
---|
| 978 | std::stack<BspSplitData> tStack;
|
---|
| 979 |
|
---|
[449] | 980 | BspSplitData tData(root);
|
---|
[372] | 981 | tStack.push(tData);
|
---|
| 982 |
|
---|
| 983 | PolygonContainer polys;
|
---|
[383] | 984 | vector <int> depths;
|
---|
[372] | 985 |
|
---|
[383] | 986 | int maxDepth = 0;
|
---|
| 987 |
|
---|
[372] | 988 | while (!tStack.empty())
|
---|
| 989 | {
|
---|
| 990 | // filter polygons donw the tree
|
---|
| 991 | BspSplitData tData = tStack.top();
|
---|
| 992 | tStack.pop();
|
---|
| 993 |
|
---|
[383] | 994 | if (tData.mNode->IsLeaf())
|
---|
[372] | 995 | {
|
---|
[383] | 996 | if (tData.mDepth > maxDepth)
|
---|
| 997 | maxDepth = tData.mDepth;
|
---|
| 998 | }
|
---|
| 999 | else
|
---|
| 1000 | {
|
---|
[372] | 1001 | BspInterior *interior = dynamic_cast<BspInterior *>(tData.mNode);
|
---|
| 1002 |
|
---|
[383] | 1003 | // add current side of split plane
|
---|
[449] | 1004 | if (tData.mNode != root)
|
---|
[383] | 1005 | tData.mSides.push_back(tData.mIsFront);
|
---|
[372] | 1006 |
|
---|
| 1007 | // bounded plane is added to the polygons
|
---|
[383] | 1008 | Polygon3 *planePoly =
|
---|
[449] | 1009 | box.CrossSection(interior->GetPlane());
|
---|
[372] | 1010 |
|
---|
| 1011 | // do all the splits with the previous planes
|
---|
| 1012 | for (int i = 0; i < (int)tData.mPlanes.size(); ++ i)
|
---|
[436] | 1013 | {
|
---|
[449] | 1014 | if (planePoly->ClassifyPlane(tData.mPlanes[i], epsilon)
|
---|
| 1015 | == Polygon3::SPLIT)
|
---|
[372] | 1016 | {
|
---|
| 1017 | Polygon3 *frontPoly = new Polygon3();
|
---|
| 1018 | Polygon3 *backPoly = new Polygon3();
|
---|
| 1019 |
|
---|
[449] | 1020 | planePoly->Split(tData.mPlanes[i],
|
---|
| 1021 | *frontPoly,
|
---|
| 1022 | *backPoly,
|
---|
| 1023 | epsilon);
|
---|
| 1024 |
|
---|
[372] | 1025 | DEL_PTR(planePoly);
|
---|
| 1026 |
|
---|
| 1027 | if(tData.mSides[i] == true)
|
---|
| 1028 | {
|
---|
| 1029 | planePoly = frontPoly;
|
---|
| 1030 | DEL_PTR(backPoly);
|
---|
| 1031 | }
|
---|
| 1032 | else
|
---|
| 1033 | {
|
---|
| 1034 | planePoly = backPoly;
|
---|
| 1035 | DEL_PTR(frontPoly);
|
---|
| 1036 | }
|
---|
| 1037 | }
|
---|
| 1038 | }
|
---|
| 1039 |
|
---|
| 1040 | tData.mPlanes.push_back(interior->GetPlane()); // add plane to split planes
|
---|
| 1041 |
|
---|
[449] | 1042 | if (planePoly->Valid(epsilon))
|
---|
[383] | 1043 | {
|
---|
[372] | 1044 | polys.push_back(planePoly);
|
---|
[383] | 1045 | depths.push_back(tData.mDepth);
|
---|
| 1046 | }
|
---|
[372] | 1047 | else
|
---|
| 1048 | DEL_PTR(planePoly);
|
---|
| 1049 |
|
---|
| 1050 | // push the children on the stack
|
---|
[383] | 1051 | tStack.push(BspSplitData(interior->GetFront(), tData.mPlanes,
|
---|
| 1052 | tData.mSides, true, tData.mDepth + 1));
|
---|
| 1053 | tStack.push(BspSplitData(interior->GetBack(), tData.mPlanes,
|
---|
| 1054 | tData.mSides, false, tData.mDepth + 1));
|
---|
[372] | 1055 | }
|
---|
[383] | 1056 | }
|
---|
| 1057 |
|
---|
| 1058 | if (maxDepth > 0)
|
---|
| 1059 | {
|
---|
| 1060 | mUseForcedMaterial = true;
|
---|
| 1061 |
|
---|
| 1062 | for (int i = 0; i < (int)polys.size(); ++ i)
|
---|
| 1063 | {
|
---|
| 1064 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 1065 | float importance = (float)depths[i]/ (float)maxDepth;
|
---|
| 1066 |
|
---|
| 1067 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
| 1068 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 1069 |
|
---|
| 1070 | ExportPolygon(polys[i]);
|
---|
| 1071 | }
|
---|
| 1072 | }
|
---|
| 1073 | else
|
---|
| 1074 | {
|
---|
| 1075 | ExportPolygons(polys);
|
---|
| 1076 | }
|
---|
| 1077 |
|
---|
[372] | 1078 | CLEAR_CONTAINER(polys);
|
---|
| 1079 | }
|
---|
| 1080 |
|
---|
[449] | 1081 | void X3dExporter::ExportBspSplits(const BspTree &tree,
|
---|
| 1082 | const bool exportDepth)
|
---|
| 1083 | {
|
---|
| 1084 | ExportBspNodeSplits(tree.GetRoot(),
|
---|
| 1085 | tree.GetBoundingBox(),
|
---|
| 1086 | exportDepth,
|
---|
| 1087 | tree.GetEpsilon());
|
---|
| 1088 | }
|
---|
| 1089 |
|
---|
| 1090 | void X3dExporter::ExportBspSplits(const VspBspTree &tree,
|
---|
| 1091 | const bool exportDepth)
|
---|
| 1092 | {
|
---|
| 1093 | ExportBspNodeSplits(tree.GetRoot(),
|
---|
| 1094 | tree.GetBoundingBox(),
|
---|
| 1095 | exportDepth,
|
---|
| 1096 | tree.GetEpsilon());
|
---|
| 1097 | }
|
---|
| 1098 |
|
---|
[372] | 1099 | void X3dExporter::ExportBspSplitPlanes(const BspTree &tree)
|
---|
| 1100 | {
|
---|
| 1101 | std::stack<BspNode *> tStack;
|
---|
| 1102 |
|
---|
| 1103 | tStack.push(tree.GetRoot());
|
---|
| 1104 |
|
---|
| 1105 | PolygonContainer polys;
|
---|
| 1106 |
|
---|
| 1107 | while (!tStack.empty())
|
---|
| 1108 | {
|
---|
| 1109 | // filter polygons donw the tree
|
---|
| 1110 | BspNode *node = tStack.top();
|
---|
| 1111 | tStack.pop();
|
---|
| 1112 |
|
---|
| 1113 | if (!node->IsLeaf())
|
---|
| 1114 | {
|
---|
| 1115 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
|
---|
| 1116 |
|
---|
| 1117 | // bounded plane is added to the polygons
|
---|
[449] | 1118 | polys.push_back(tree.GetBoundingBox().CrossSection(interior->GetPlane()));
|
---|
[372] | 1119 |
|
---|
| 1120 | // push the children on the stack
|
---|
| 1121 | tStack.push(interior->GetBack());
|
---|
| 1122 | tStack.push(interior->GetFront());
|
---|
| 1123 | }
|
---|
| 1124 | }
|
---|
| 1125 |
|
---|
| 1126 | ExportPolygons(polys);
|
---|
| 1127 | CLEAR_CONTAINER(polys);
|
---|
| 1128 | }
|
---|
[440] | 1129 |
|
---|
| 1130 |
|
---|
[449] | 1131 | void X3dExporter::ExportGeometry(const ObjectContainer &objects)
|
---|
[440] | 1132 | {
|
---|
[449] | 1133 | for (int j = 0; j < objects.size(); ++ j)
|
---|
| 1134 | ExportIntersectable(objects[j]);
|
---|
[440] | 1135 | }
|
---|
[449] | 1136 |
|
---|
| 1137 |
|
---|
[450] | 1138 | bool
|
---|
| 1139 | X3dExporter::ExportRssTree2(const RssTree &tree,
|
---|
| 1140 | const Vector3 direction
|
---|
| 1141 | )
|
---|
| 1142 | {
|
---|
| 1143 | stack<RssTreeNode *> tStack;
|
---|
| 1144 |
|
---|
| 1145 |
|
---|
| 1146 | mUseForcedMaterial = true;
|
---|
| 1147 |
|
---|
| 1148 | Vector3 dirParam;
|
---|
| 1149 |
|
---|
| 1150 | dirParam.x = VssRay::GetDirParam(0, Normalize(direction));
|
---|
| 1151 | dirParam.y = VssRay::GetDirParam(1, Normalize(direction));
|
---|
| 1152 |
|
---|
| 1153 | float maxImportance = 0.0f;
|
---|
| 1154 | tStack.push(tree.GetRoot());
|
---|
| 1155 | while (!tStack.empty()) {
|
---|
| 1156 |
|
---|
| 1157 | RssTreeNode *node = tStack.top();
|
---|
| 1158 | tStack.pop();
|
---|
| 1159 |
|
---|
| 1160 | if (!node->IsLeaf()) {
|
---|
| 1161 | RssTreeInterior *interior = (RssTreeInterior *)node;
|
---|
| 1162 | if (interior->axis < 3) {
|
---|
| 1163 | tStack.push(interior->front);
|
---|
| 1164 | tStack.push(interior->back);
|
---|
| 1165 | } else {
|
---|
| 1166 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 1167 | tStack.push(interior->back);
|
---|
| 1168 | else
|
---|
| 1169 | tStack.push(interior->front);
|
---|
| 1170 | }
|
---|
| 1171 | } else {
|
---|
| 1172 | RssTreeLeaf *leaf = (RssTreeLeaf *)node;
|
---|
| 1173 | if (tree.ValidLeaf(leaf)) {
|
---|
| 1174 | float i = leaf->GetImportance();
|
---|
| 1175 | if (i > maxImportance)
|
---|
| 1176 | maxImportance = i;
|
---|
| 1177 | }
|
---|
| 1178 | }
|
---|
| 1179 | }
|
---|
| 1180 |
|
---|
| 1181 | tStack.push(tree.GetRoot());
|
---|
| 1182 | while (!tStack.empty()) {
|
---|
| 1183 |
|
---|
| 1184 | RssTreeNode *node = tStack.top();
|
---|
| 1185 | tStack.pop();
|
---|
| 1186 |
|
---|
| 1187 |
|
---|
| 1188 | if (!node->IsLeaf()) {
|
---|
| 1189 | RssTreeInterior *interior = (RssTreeInterior *)node;
|
---|
| 1190 | if (interior->axis < 3) {
|
---|
| 1191 | tStack.push(interior->front);
|
---|
| 1192 | tStack.push(interior->back);
|
---|
| 1193 | } else {
|
---|
| 1194 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 1195 | tStack.push(interior->back);
|
---|
| 1196 | else
|
---|
| 1197 | tStack.push(interior->front);
|
---|
| 1198 | }
|
---|
| 1199 | } else {
|
---|
| 1200 | RssTreeLeaf *leaf = (RssTreeLeaf *)node;
|
---|
| 1201 | if (tree.ValidLeaf(leaf)) {
|
---|
| 1202 | AxisAlignedBox3 box;
|
---|
| 1203 | box = tree.GetShrankedBBox(leaf);
|
---|
| 1204 | Mesh *mesh = new Mesh;
|
---|
[486] | 1205 | box.AddBoxToMesh(mesh);
|
---|
[450] | 1206 |
|
---|
| 1207 | // get 4 corners of the ray directions
|
---|
| 1208 |
|
---|
| 1209 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 1210 | mForcedMaterial.mDiffuseColor.r = leaf->GetImportance()/maxImportance;
|
---|
| 1211 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 1212 |
|
---|
| 1213 | ExportMesh(mesh);
|
---|
| 1214 | delete mesh;
|
---|
| 1215 | }
|
---|
| 1216 | }
|
---|
| 1217 | }
|
---|
| 1218 |
|
---|
| 1219 | mUseForcedMaterial = false;
|
---|
| 1220 |
|
---|
| 1221 | return true;
|
---|
| 1222 | }
|
---|
[459] | 1223 |
|
---|
| 1224 |
|
---|
| 1225 | void
|
---|
| 1226 | X3dExporter::ExportViewpoint(const Vector3 &point,
|
---|
| 1227 | const Vector3 &direction)
|
---|
| 1228 | {
|
---|
| 1229 | stream<<"<Viewpoint "<<endl;
|
---|
| 1230 |
|
---|
| 1231 | stream<<"position=\""<<point.x<<" "<<point.y<<" "<<point.z<<"\""<<endl;
|
---|
| 1232 | // stream<<"orientation "<<direction.x<<direction.y<<direction.z<<endl;
|
---|
| 1233 |
|
---|
| 1234 | stream<<">"<<endl;
|
---|
| 1235 | stream<<"</Viewpoint>"<<endl;
|
---|
| 1236 |
|
---|
| 1237 | }
|
---|