[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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[535] | 15 | #include "Beam.h"
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[162] | 16 |
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[449] | 17 |
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[694] | 18 |
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[162] | 19 | X3dExporter::X3dExporter(const string filename):Exporter(filename)
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| 20 | {
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| 21 | stream.open(mFilename.c_str());
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| 22 | stream<<"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"<<endl;
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| 23 | stream<<"<X3D>"<<endl;
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| 24 | stream<<"<Scene>"<<endl;
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| 25 |
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| 26 | }
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| 27 |
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| 28 | X3dExporter::~X3dExporter()
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| 29 | {
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| 30 | stream<<"</Scene>"<<endl;
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| 31 | stream<<"</X3D>"<<endl;
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| 32 | stream.close();
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| 33 | }
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| 34 |
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[176] | 35 |
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[386] | 36 | // bool
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| 37 | // X3dExporter::ExportRays(const vector<Ray> &rays,
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| 38 | // const float length,
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| 39 | // const RgbColor &color)
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| 40 | // {
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| 41 | // vector<Ray>::const_iterator ri = rays.begin();
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| 42 | // stream<<"<Shape>"<<endl;
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| 43 | // stream<<"<Appearance>"<<endl;
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| 44 | // stream<<"<Material ambientColor=\""<<color.r<<" "<<color.g<<" "<<color.b<<
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| 45 | // "\" />"<<endl;
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| 46 | // stream<<"</Appearance>"<<endl;
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| 47 |
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| 48 | // stream<<"<IndexedLineSet coordIndex=\""<<endl;
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| 49 |
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| 50 | // int index = 0;
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| 51 | // for (; ri != rays.end(); ri++) {
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| 52 | // stream<<index<<" "<<index+1<<" -1\n";
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| 53 | // index+=2;
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| 54 | // }
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| 55 |
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| 56 | // stream<<"\" >"<<endl;
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| 57 |
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| 58 | // stream<<"<Coordinate point=\""<<endl;
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| 59 |
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| 60 | // ri = rays.begin();
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| 61 | // for (; ri != rays.end(); ri++) {
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| 62 | // Vector3 a = (*ri).GetLoc();
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| 63 |
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| 64 | // Vector3 b;
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| 65 | // if (length < 0)
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| 66 | // b = (*ri).GetLoc() - length*(*ri).GetDir();
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| 67 | // else
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| 68 | // if ((*ri).intersections.size()==0)
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| 69 | // b = (*ri).GetLoc() + length*(*ri).GetDir();
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| 70 | // else
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| 71 | // b = (*ri).Extrap((*ri).intersections[0].mT);
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| 72 |
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| 73 | // stream<<a.x<<" "<<a.y<<" "<<a.z<<" ,";
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| 74 | // stream<<b.x<<" "<<b.y<<" "<<b.z<<" ,\n";
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| 75 | // }
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| 76 |
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| 77 | // stream<<"\" >"<<endl;
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| 78 | // stream<<"</Coordinate>"<<endl;
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| 79 | // stream<<"</IndexedLineSet>"<<endl;
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| 80 | // stream<<"</Shape>"<<endl;
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| 81 | // return true;
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| 82 | // }
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| 83 |
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| 84 |
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[162] | 85 | bool
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[386] | 86 | X3dExporter::ExportRays(const RayContainer &rays,
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[444] | 87 | const float length,
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| 88 | const RgbColor &color)
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[162] | 89 | {
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[386] | 90 | RayContainer::const_iterator ri = rays.begin();
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| 91 |
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[162] | 92 | stream<<"<Shape>"<<endl;
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[176] | 93 | stream<<"<Appearance>"<<endl;
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[427] | 94 | stream<<"<Material diffuseColor=\""<<color.r<<" "<<color.g<<" "<<color.b<<
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[176] | 95 | "\" />"<<endl;
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| 96 | stream<<"</Appearance>"<<endl;
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| 97 |
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[209] | 98 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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[162] | 99 |
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| 100 | int index = 0;
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| 101 | for (; ri != rays.end(); ri++) {
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| 102 | stream<<index<<" "<<index+1<<" -1\n";
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| 103 | index+=2;
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| 104 | }
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| 105 |
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| 106 | stream<<"\" >"<<endl;
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| 107 |
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| 108 | stream<<"<Coordinate point=\""<<endl;
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| 109 |
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| 110 | ri = rays.begin();
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| 111 | for (; ri != rays.end(); ri++) {
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[386] | 112 | Vector3 a = (*ri)->GetLoc();
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[162] | 113 |
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[176] | 114 | Vector3 b;
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| 115 | if (length < 0)
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[386] | 116 | b = (*ri)->GetLoc() - length*(*ri)->GetDir();
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[176] | 117 | else
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[386] | 118 | if ((*ri)->intersections.size()==0)
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[492] | 119 | b = (*ri)->GetLoc() + length*(*ri)->GetDir();
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[176] | 120 | else
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[492] | 121 | b = (*ri)->Extrap((*ri)->intersections[0].mT);
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[176] | 122 |
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[162] | 123 | stream<<a.x<<" "<<a.y<<" "<<a.z<<" ,";
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| 124 | stream<<b.x<<" "<<b.y<<" "<<b.z<<" ,\n";
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| 125 | }
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| 126 |
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| 127 | stream<<"\" >"<<endl;
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| 128 | stream<<"</Coordinate>"<<endl;
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| 129 | stream<<"</IndexedLineSet>"<<endl;
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| 130 | stream<<"</Shape>"<<endl;
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[386] | 131 |
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[162] | 132 | return true;
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| 133 | }
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| 134 |
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[349] | 135 | bool
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[386] | 136 | X3dExporter::ExportRays(const VssRayContainer &rays,
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[444] | 137 | const RgbColor &color)
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[349] | 138 | {
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[386] | 139 | VssRayContainer::const_iterator ri = rays.begin();
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[349] | 140 |
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| 141 | stream<<"<Shape>"<<endl;
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| 142 | stream<<"<Appearance>"<<endl;
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[427] | 143 | stream<<"<Material diffuseColor=\""<<color.r<<" "<<color.g<<" "<<color.b<<
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[349] | 144 | "\" />"<<endl;
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| 145 | stream<<"</Appearance>"<<endl;
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| 146 |
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| 147 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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| 148 |
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| 149 | int index = 0;
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| 150 | for (; ri != rays.end(); ri++) {
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| 151 | stream<<index<<" "<<index+1<<" -1\n";
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| 152 | index+=2;
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| 153 | }
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| 154 |
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| 155 | stream<<"\" >"<<endl;
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| 156 |
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| 157 | stream<<"<Coordinate point=\""<<endl;
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| 158 |
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| 159 | ri = rays.begin();
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| 160 | for (; ri != rays.end(); ri++) {
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[444] | 161 | const Vector3 a = (*ri)->GetOrigin();
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[483] | 162 | //const Vector3 b = (*ri)->mTerminationObject ? (*ri)->GetTermination() : a + 1000 * Normalize((*ri)->GetDir());
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| 163 | const Vector3 b = (*ri)->GetTermination(); // matt: change again!!
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| 164 |
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[349] | 165 | stream<<a.x<<" "<<a.y<<" "<<a.z<<" ,";
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[444] | 166 | stream<<b.x<<" "<<b.y<<" "<<b.z<<" ,\n";
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[349] | 167 | }
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| 168 |
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| 169 | stream<<"\" >"<<endl;
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| 170 | stream<<"</Coordinate>"<<endl;
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| 171 | stream<<"</IndexedLineSet>"<<endl;
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| 172 | stream<<"</Shape>"<<endl;
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[386] | 173 |
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[349] | 174 | return true;
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| 175 | }
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| 176 |
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[162] | 177 | void
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| 178 | X3dExporter::ExportSceneNode(SceneGraphNode *node)
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| 179 | {
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| 180 | stream<<"<Group>"<<endl;
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| 181 |
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| 182 | SceneGraphNodeContainer::iterator ni = node->mChildren.begin();
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| 183 | for (; ni != node->mChildren.end(); ni++)
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| 184 | ExportSceneNode(*ni);
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| 185 |
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| 186 |
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[176] | 187 | ObjectContainer::const_iterator mi = node->mGeometry.begin();
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[162] | 188 | for (; mi != node->mGeometry.end(); mi++) {
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| 189 | // export the transform...
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[176] | 190 | ExportIntersectable(*mi);
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[162] | 191 | }
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| 192 |
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| 193 | stream<<"</Group>"<<endl;
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| 194 |
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| 195 | }
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[176] | 196 | void
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| 197 | X3dExporter::ExportIntersectable(Intersectable *object)
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| 198 | {
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| 199 | switch (object->Type()) {
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| 200 | case Intersectable::MESH_INSTANCE:
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| 201 | case Intersectable::TRANSFORMED_MESH_INSTANCE:
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| 202 | ExportMeshInstance((MeshInstance *)object);
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[242] | 203 | break;
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[308] | 204 | case Intersectable::VIEW_CELL:
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[242] | 205 | ExportViewCell((ViewCell *)object);
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[176] | 206 | break;
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| 207 | default:
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| 208 | cerr<<"Sorry the export for object not yet defined"<<endl;
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| 209 | break;
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| 210 | }
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| 211 | }
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[162] | 212 |
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[694] | 213 |
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[162] | 214 | void
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[176] | 215 | X3dExporter::ExportMeshInstance(MeshInstance *object)
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| 216 | {
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| 217 | // $$JB$$
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[312] | 218 | // in the future check whether the mesh was not already exported
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[176] | 219 | // and use a reference to the that mesh instead
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| 220 | ExportMesh(object->GetMesh());
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| 221 | }
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| 222 |
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[694] | 223 |
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[313] | 224 | void
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| 225 | X3dExporter::ExportViewCells(const ViewCellContainer &viewCells)
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[261] | 226 | {
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[313] | 227 | ViewCellContainer::const_iterator it, it_end = viewCells.end();
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[261] | 228 |
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[313] | 229 | for (it = viewCells.begin(); it != it_end; ++ it)
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[261] | 230 | ExportViewCell(*it);
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| 231 | }
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[313] | 232 |
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[373] | 233 | void
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[396] | 234 | X3dExporter::ExportBspLeaves(const BspTree &tree, const int maxPvs)
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[373] | 235 | {
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[396] | 236 | stack<pair<BspNode *, BspNodeGeometry *> > tStack;
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| 237 | ViewCell::NewMail();
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[373] | 238 |
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[396] | 239 | BspNodeGeometry *geom = new BspNodeGeometry();
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| 240 | tree.ConstructGeometry(tree.GetRoot(), *geom);
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[373] | 241 |
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[396] | 242 | tStack.push(pair<BspNode *, BspNodeGeometry *>(tree.GetRoot(), geom));
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| 243 |
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| 244 | if (maxPvs > 0)
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| 245 | mUseForcedMaterial = true;
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| 246 |
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| 247 | while (!tStack.empty())
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[373] | 248 | {
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[396] | 249 | BspNode *node = tStack.top().first;
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| 250 | BspNodeGeometry *cell = tStack.top().second;
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| 251 | tStack.pop();
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| 252 |
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| 253 | if (!node->IsLeaf())
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| 254 | {
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| 255 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
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| 256 |
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| 257 | BspNodeGeometry *front = new BspNodeGeometry();
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| 258 | BspNodeGeometry *back = new BspNodeGeometry();
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| 259 |
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[449] | 260 | cell->SplitGeometry(*front,
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| 261 | *back,
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| 262 | interior->GetPlane(),
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| 263 | tree.GetBoundingBox(),
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| 264 | tree.GetEpsilon());
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[396] | 265 |
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| 266 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetFront(), front));
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| 267 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetBack(), back));
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| 268 | }
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| 269 | else
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| 270 | {
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| 271 | if (maxPvs > 0)
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| 272 | {
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| 273 | BspLeaf *leaf = dynamic_cast<BspLeaf *>(node);
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| 274 |
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| 275 | mForcedMaterial.mDiffuseColor.b = 1.0f;
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| 276 | float importance = (float)leaf->GetViewCell()->GetPvs().GetSize() / (float)maxPvs;
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| 277 |
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| 278 | mForcedMaterial.mDiffuseColor.r = importance;
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| 279 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
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| 280 | }
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| 281 |
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[678] | 282 | ExportPolygons(cell->GetPolys());
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[396] | 283 | }
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| 284 |
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| 285 | DEL_PTR(cell);
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[373] | 286 | }
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| 287 | }
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| 288 |
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[176] | 289 | void
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[261] | 290 | X3dExporter::ExportViewCell(ViewCell *viewCell)
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[242] | 291 | {
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[261] | 292 | if (viewCell->GetMesh())
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| 293 | ExportMesh(viewCell->GetMesh());
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[242] | 294 | }
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| 295 |
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| 296 | void
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[162] | 297 | X3dExporter::ExportMesh(Mesh *mesh)
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| 298 | {
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| 299 |
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| 300 | stream<<"<Shape>"<<endl;
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| 301 | stream<<"<Appearance>"<<endl;
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[176] | 302 |
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[162] | 303 | // $$ tmp -> random material
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| 304 |
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| 305 | float r, g, b;
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| 306 |
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[176] | 307 | if (mUseForcedMaterial) {
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| 308 | r = mForcedMaterial.mDiffuseColor.r;
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| 309 | g = mForcedMaterial.mDiffuseColor.g;
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| 310 | b = mForcedMaterial.mDiffuseColor.b;
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| 311 |
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| 312 | } else
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| 313 | if (mesh->mMaterial) {
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| 314 | r = mesh->mMaterial->mDiffuseColor.r;
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| 315 | g = mesh->mMaterial->mDiffuseColor.g;
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| 316 | b = mesh->mMaterial->mDiffuseColor.b;
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| 317 | } else {
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| 318 | r = RandomValue(0.5, 1.0);
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| 319 | g = RandomValue(0.5, 1.0);
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| 320 | b = RandomValue(0.5, 1.0);
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| 321 | }
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[162] | 322 | stream<<"<Material diffuseColor=\""<<r<<" "<<g<<" "<<b<<
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| 323 | "\" specularColor=\"0.0 0.0 0.0\"/>"<<endl;
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| 324 | stream<<"</Appearance>"<<endl;
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| 325 |
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| 326 |
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[191] | 327 | if (mWireframe)
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[427] | 328 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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[162] | 329 | else
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[465] | 330 | //stream<<"<IndexedFaceSet ccw=\"TRUE\" coordIndex=\""<<endl;
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| 331 | stream << "<IndexedFaceSet coordIndex=\"" << endl;
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[162] | 332 |
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| 333 | FaceContainer::const_iterator fi = mesh->mFaces.begin();
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| 334 |
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| 335 | int index = 0;
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| 336 |
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| 337 | for (; fi != mesh->mFaces.end(); fi++) {
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| 338 | Face *face = *fi;
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| 339 | VertexIndexContainer::const_iterator vi = face->mVertexIndices.begin();
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| 340 | for (; vi != face->mVertexIndices.end(); vi++)
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| 341 | stream<<*vi<<" ";
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[378] | 342 | if (mWireframe) // final line to finish polygon
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| 343 | stream << (*face->mVertexIndices.begin()) << " ";
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| 344 |
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[162] | 345 | stream<<"-1"<<endl;
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| 346 | }
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| 347 | stream<<"\" >"<<endl;
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| 348 |
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| 349 | stream<<"<Coordinate point=\""<<endl;
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| 350 |
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| 351 | VertexContainer::const_iterator vi = mesh->mVertices.begin();
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| 352 | for (; vi != mesh->mVertices.end(); vi++) {
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| 353 | stream<<(*vi).x<<" "<<(*vi).y<<" "<<(*vi).z;
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| 354 | stream<<","<<endl;
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| 355 | }
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| 356 |
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| 357 | stream<<"\" >"<<endl;
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| 358 | stream<<"</Coordinate>"<<endl;
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| 359 |
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[191] | 360 | if (mWireframe)
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[162] | 361 | stream<<"</IndexedLineSet>"<<endl;
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| 362 | else
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| 363 | stream<<"</IndexedFaceSet>"<<endl;
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| 364 |
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| 365 | stream<<"</Shape>"<<endl;
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| 366 |
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| 367 | }
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| 368 |
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[242] | 369 |
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| 370 | void X3dExporter::ExportPolygon(Polygon3 *poly)
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| 371 | {
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| 372 | stream << "<Shape>" << endl;
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| 373 | stream << "<Appearance>" << endl;
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| 374 |
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| 375 | // $$ tmp -> random material
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| 376 |
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| 377 | float r, g, b;
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| 378 |
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| 379 | if (mUseForcedMaterial)
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| 380 | {
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| 381 | r = mForcedMaterial.mDiffuseColor.r;
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| 382 | g = mForcedMaterial.mDiffuseColor.g;
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| 383 | b = mForcedMaterial.mDiffuseColor.b;
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| 384 | }
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| 385 | else if (poly->mMaterial)
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| 386 | {
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| 387 | r = poly->mMaterial->mDiffuseColor.r;
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| 388 | g = poly->mMaterial->mDiffuseColor.g;
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| 389 | b = poly->mMaterial->mDiffuseColor.b;
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| 390 | } else
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| 391 | {
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| 392 | r = RandomValue(0.5, 1.0);
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| 393 | g = RandomValue(0.5, 1.0);
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| 394 | b = RandomValue(0.5, 1.0);
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| 395 | }
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| 396 |
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| 397 | stream << "<Material diffuseColor=\"" << r << " " << g << " " << b
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| 398 | << "\" specularColor=\"0.0 0.0 0.0\"/>" << endl;
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| 399 |
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| 400 | stream << "</Appearance>" << endl;
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| 401 |
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| 402 |
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[262] | 403 | //-- create and write indices
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[242] | 404 | if (mWireframe)
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[465] | 405 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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[242] | 406 | else
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[465] | 407 | //stream << "<IndexedFaceSet ccw=\"TRUE\" coordIndex=\"" << endl;
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| 408 | stream << "<IndexedFaceSet coordIndex=\"" << endl;
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[262] | 409 | int index = 0;
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| 410 |
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| 411 | VertexContainer::const_iterator vi;
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| 412 |
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[333] | 413 | for (index = 0; index < (int)poly->mVertices.size(); ++ index)
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[318] | 414 | stream << index << " ";
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| 415 |
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| 416 | if (mWireframe) // final line to finish polygon
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| 417 | stream << "0 ";
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| 418 |
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[262] | 419 | stream << "-1" << endl;
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| 420 | stream << "\" >" << endl;
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| 421 |
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[242] | 422 | stream << "<Coordinate point=\"" << endl;
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| 423 |
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[262] | 424 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
[242] | 425 | {
|
---|
| 426 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
|
---|
| 427 | stream << "," << endl;
|
---|
| 428 | }
|
---|
| 429 |
|
---|
[262] | 430 | stream << "\" >" << endl;
|
---|
| 431 | stream << "</Coordinate>" << endl;
|
---|
[242] | 432 |
|
---|
| 433 | if (mWireframe)
|
---|
| 434 | stream << "</IndexedLineSet>" << endl;
|
---|
| 435 | else
|
---|
| 436 | stream << "</IndexedFaceSet>" << endl;
|
---|
| 437 |
|
---|
| 438 | stream << "</Shape>" << endl;
|
---|
| 439 | }
|
---|
| 440 |
|
---|
[712] | 441 |
|
---|
[313] | 442 | void X3dExporter::ExportPolygons(const PolygonContainer &polys)
|
---|
[263] | 443 | {
|
---|
[318] | 444 | stream << "<Shape>" << endl;
|
---|
[263] | 445 | stream << "<Appearance>" << endl;
|
---|
| 446 |
|
---|
| 447 | // $$ tmp -> random material
|
---|
| 448 |
|
---|
| 449 | float r, g, b;
|
---|
[242] | 450 |
|
---|
[263] | 451 | if (mUseForcedMaterial)
|
---|
| 452 | {
|
---|
| 453 | r = mForcedMaterial.mDiffuseColor.r;
|
---|
| 454 | g = mForcedMaterial.mDiffuseColor.g;
|
---|
| 455 | b = mForcedMaterial.mDiffuseColor.b;
|
---|
| 456 | }
|
---|
| 457 | else
|
---|
| 458 | {
|
---|
| 459 | r = RandomValue(0.5, 1.0);
|
---|
| 460 | g = RandomValue(0.5, 1.0);
|
---|
| 461 | b = RandomValue(0.5, 1.0);
|
---|
| 462 | }
|
---|
| 463 |
|
---|
| 464 | stream << "<Material diffuseColor=\"" << r << " " << g << " " << b
|
---|
| 465 | << "\" specularColor=\"0.0 0.0 0.0\"/>" << endl;
|
---|
| 466 |
|
---|
| 467 | stream << "</Appearance>" << endl;
|
---|
| 468 |
|
---|
| 469 |
|
---|
| 470 | //-- create and write indices
|
---|
| 471 | if (mWireframe)
|
---|
[465] | 472 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
|
---|
[263] | 473 | else
|
---|
[465] | 474 | //stream << "<IndexedFaceSet ccw=\"TRUE\" coordIndex=\"" << endl;
|
---|
| 475 | stream << "<IndexedFaceSet coordIndex=\"" << endl;
|
---|
[263] | 476 |
|
---|
| 477 | int index = 0;
|
---|
| 478 |
|
---|
| 479 | PolygonContainer::const_iterator pit;
|
---|
| 480 |
|
---|
| 481 | VertexContainer::const_iterator vi;
|
---|
| 482 |
|
---|
[313] | 483 | for (pit = polys.begin(); pit != polys.end(); ++pit)
|
---|
[263] | 484 | {
|
---|
| 485 | Polygon3 *poly = *pit;
|
---|
[318] | 486 | int startIdx = index;
|
---|
[263] | 487 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
| 488 | {
|
---|
| 489 | stream << index ++ << " ";
|
---|
| 490 | }
|
---|
[318] | 491 |
|
---|
| 492 | stream << startIdx << " ";// finish line
|
---|
[263] | 493 | stream << "-1" << endl;
|
---|
| 494 | }
|
---|
| 495 |
|
---|
| 496 | stream << "\" >" << endl;
|
---|
| 497 |
|
---|
| 498 | stream << "<Coordinate point=\"" << endl;
|
---|
[318] | 499 | for (pit = polys.begin(); pit != polys.end(); ++ pit)
|
---|
[263] | 500 | {
|
---|
| 501 | Polygon3 *poly = *pit;
|
---|
| 502 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
| 503 | {
|
---|
| 504 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
|
---|
| 505 | stream << "," << endl;
|
---|
| 506 | }
|
---|
| 507 | }
|
---|
| 508 | stream << "\" >" << endl;
|
---|
| 509 | stream << "</Coordinate>" << endl;
|
---|
| 510 |
|
---|
| 511 | if (mWireframe)
|
---|
| 512 | stream << "</IndexedLineSet>" << endl;
|
---|
| 513 | else
|
---|
| 514 | stream << "</IndexedFaceSet>" << endl;
|
---|
| 515 |
|
---|
| 516 | stream << "</Shape>" << endl;
|
---|
| 517 | }
|
---|
| 518 |
|
---|
[162] | 519 | bool
|
---|
| 520 | X3dExporter::ExportBox(const AxisAlignedBox3 &box)
|
---|
| 521 | {
|
---|
| 522 | Mesh *mesh = new Mesh;
|
---|
[547] | 523 | // add 8 vertices of the box
|
---|
[289] | 524 | int index = (int)mesh->mVertices.size();
|
---|
[162] | 525 | for (int i=0; i < 8; i++) {
|
---|
| 526 | Vector3 v;
|
---|
| 527 | box.GetVertex(i, v);
|
---|
| 528 | mesh->mVertices.push_back(v);
|
---|
| 529 | }
|
---|
| 530 |
|
---|
| 531 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
| 532 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
| 533 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
| 534 |
|
---|
| 535 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
| 536 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
| 537 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
| 538 |
|
---|
| 539 | ExportMesh(mesh);
|
---|
| 540 | delete mesh;
|
---|
| 541 | return true;
|
---|
| 542 | }
|
---|
| 543 |
|
---|
| 544 | bool
|
---|
[242] | 545 | X3dExporter::ExportBspTree(const BspTree &tree)
|
---|
[162] | 546 | {
|
---|
[242] | 547 | if (mExportRayDensity)
|
---|
| 548 | {
|
---|
[263] | 549 | return ExportBspTreeRayDensity(tree);
|
---|
[242] | 550 | }
|
---|
| 551 |
|
---|
[264] | 552 | bool savedWireframe = mWireframe;
|
---|
| 553 |
|
---|
| 554 | SetWireframe();
|
---|
| 555 |
|
---|
[396] | 556 | ExportBox(tree.GetBoundingBox());
|
---|
| 557 |
|
---|
[264] | 558 | if (!savedWireframe)
|
---|
| 559 | SetFilled();
|
---|
| 560 |
|
---|
[373] | 561 | // export view cells
|
---|
[482] | 562 | ExportBspLeaves(tree);
|
---|
[289] | 563 |
|
---|
[263] | 564 | return true;
|
---|
[242] | 565 | }
|
---|
| 566 |
|
---|
[425] | 567 | bool X3dExporter::ExportVspKdTree(const VspKdTree &tree, const int maxPvs)
|
---|
[418] | 568 | {
|
---|
[462] | 569 | stack<VspKdNode *> tStack;
|
---|
[418] | 570 |
|
---|
[422] | 571 | tStack.push(tree.GetRoot());
|
---|
| 572 |
|
---|
[425] | 573 | //Mesh *mesh = new Mesh;
|
---|
[418] | 574 |
|
---|
[425] | 575 | if (maxPvs > 0)
|
---|
| 576 | mUseForcedMaterial = true;
|
---|
| 577 |
|
---|
[422] | 578 | while (!tStack.empty())
|
---|
| 579 | {
|
---|
[462] | 580 | VspKdNode *node = tStack.top();
|
---|
[418] | 581 |
|
---|
[422] | 582 | tStack.pop();
|
---|
[418] | 583 |
|
---|
[426] | 584 | if (node->IsLeaf())
|
---|
| 585 | {
|
---|
| 586 | AxisAlignedBox3 box = tree.GetBBox(node);
|
---|
[425] | 587 |
|
---|
[426] | 588 | Mesh *mesh = new Mesh;
|
---|
[425] | 589 |
|
---|
[426] | 590 | // add 6 vertices of the box
|
---|
| 591 | int index = (int)mesh->mVertices.size();
|
---|
[418] | 592 |
|
---|
[426] | 593 | for (int i=0; i < 8; ++ i)
|
---|
| 594 | {
|
---|
| 595 | Vector3 v;
|
---|
| 596 | box.GetVertex(i, v);
|
---|
| 597 | mesh->mVertices.push_back(v);
|
---|
| 598 | }
|
---|
[418] | 599 |
|
---|
[426] | 600 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
| 601 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
| 602 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
[418] | 603 |
|
---|
[426] | 604 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
| 605 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
| 606 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
[425] | 607 |
|
---|
[426] | 608 | if (maxPvs > 0)
|
---|
| 609 | {
|
---|
[462] | 610 | VspKdLeaf *leaf = dynamic_cast<VspKdLeaf *>(node);
|
---|
[425] | 611 |
|
---|
[426] | 612 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 613 |
|
---|
| 614 | leaf->UpdatePvsSize();
|
---|
| 615 |
|
---|
| 616 | const float importance = (float)leaf->GetPvsSize() / (float)maxPvs;
|
---|
| 617 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
| 618 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 619 | }
|
---|
[425] | 620 |
|
---|
[426] | 621 | ExportMesh(mesh);
|
---|
| 622 | DEL_PTR(mesh);
|
---|
| 623 | }
|
---|
| 624 | else
|
---|
[422] | 625 | {
|
---|
[462] | 626 | VspKdInterior *interior = dynamic_cast<VspKdInterior *>(node);
|
---|
[422] | 627 | tStack.push(interior->GetFront());
|
---|
| 628 | tStack.push(interior->GetBack());
|
---|
| 629 | }
|
---|
| 630 | }
|
---|
[418] | 631 |
|
---|
[425] | 632 | //ExportMesh(mesh);
|
---|
| 633 | //DEL_PTR(mesh);
|
---|
[418] | 634 |
|
---|
[422] | 635 | return true;
|
---|
[418] | 636 | }
|
---|
| 637 |
|
---|
[462] | 638 |
|
---|
[242] | 639 | bool X3dExporter::ExportKdTree(const KdTree &tree)
|
---|
| 640 | {
|
---|
| 641 | if (mExportRayDensity) {
|
---|
[191] | 642 | return ExportKdTreeRayDensity(tree);
|
---|
| 643 | }
|
---|
| 644 |
|
---|
[162] | 645 | stack<KdNode *> tStack;
|
---|
| 646 |
|
---|
| 647 | tStack.push(tree.GetRoot());
|
---|
| 648 |
|
---|
| 649 | Mesh *mesh = new Mesh;
|
---|
| 650 |
|
---|
| 651 | while (!tStack.empty()) {
|
---|
| 652 | KdNode *node = tStack.top();
|
---|
| 653 | tStack.pop();
|
---|
| 654 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
| 655 | // add 6 vertices of the box
|
---|
[289] | 656 | int index = (int)mesh->mVertices.size();
|
---|
[162] | 657 | for (int i=0; i < 8; i++) {
|
---|
| 658 | Vector3 v;
|
---|
| 659 | box.GetVertex(i, v);
|
---|
| 660 | mesh->mVertices.push_back(v);
|
---|
| 661 | }
|
---|
| 662 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
| 663 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
| 664 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
| 665 |
|
---|
| 666 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
| 667 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
| 668 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
| 669 |
|
---|
| 670 | if (!node->IsLeaf()) {
|
---|
| 671 | KdInterior *interior = (KdInterior *)node;
|
---|
| 672 | tStack.push(interior->mFront);
|
---|
| 673 | tStack.push(interior->mBack);
|
---|
| 674 | }
|
---|
| 675 | }
|
---|
| 676 |
|
---|
| 677 | ExportMesh(mesh);
|
---|
| 678 | delete mesh;
|
---|
| 679 | return true;
|
---|
[242] | 680 | // TODO
|
---|
| 681 | return true;
|
---|
[162] | 682 | }
|
---|
| 683 |
|
---|
| 684 |
|
---|
[434] | 685 |
|
---|
| 686 |
|
---|
[191] | 687 | bool
|
---|
[438] | 688 | X3dExporter::ExportVssTree(const VssTree &tree
|
---|
| 689 | )
|
---|
[434] | 690 | {
|
---|
| 691 | stack<VssTreeNode *> tStack;
|
---|
| 692 |
|
---|
| 693 | tStack.push(tree.GetRoot());
|
---|
| 694 |
|
---|
| 695 | Mesh *mesh = new Mesh;
|
---|
| 696 | VssRayContainer rays;
|
---|
| 697 |
|
---|
| 698 | while (!tStack.empty()) {
|
---|
| 699 |
|
---|
| 700 | VssTreeNode *node = tStack.top();
|
---|
| 701 | tStack.pop();
|
---|
| 702 |
|
---|
| 703 |
|
---|
| 704 | if (!node->IsLeaf()) {
|
---|
| 705 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
| 706 | tStack.push(interior->front);
|
---|
| 707 | tStack.push(interior->back);
|
---|
| 708 | } else {
|
---|
| 709 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
| 710 | AxisAlignedBox3 box;
|
---|
| 711 | box = tree.GetBBox(leaf);
|
---|
[486] | 712 | box.AddBoxToMesh(mesh);
|
---|
[434] | 713 |
|
---|
| 714 | if (tree.ValidLeaf(leaf)) {
|
---|
| 715 |
|
---|
| 716 | Vector3 origin = box.Center();
|
---|
| 717 | box = tree.GetDirBBox(leaf);
|
---|
| 718 | VssRay *ray;
|
---|
| 719 |
|
---|
| 720 | const indices[][2] = {{0,0}, {0,1}, {1,1}, {1,0}};
|
---|
| 721 | MeshInstance dummy(mesh);
|
---|
| 722 | for (int i=0; i < 4; i++) {
|
---|
| 723 | // Vector3 v = box.GetVertex(indices[i][0], indices[i][1], 0);
|
---|
| 724 | Vector3 v = box.Center();
|
---|
| 725 |
|
---|
| 726 | Vector3 direction = VssRay::GetDirection(v.x, v.y);
|
---|
[438] | 727 | if (Magnitude(direction) > Limits::Small)
|
---|
| 728 | direction.Normalize();
|
---|
| 729 | else
|
---|
| 730 | direction = Vector3(0, 1, 0);
|
---|
[435] | 731 | float k = 100.0f*leaf->GetImportance();
|
---|
[434] | 732 | // get 4 corners of the ray directions
|
---|
| 733 |
|
---|
| 734 | ray = new VssRay(origin, origin + (direction*k), NULL, &dummy);
|
---|
| 735 | rays.push_back(ray);
|
---|
| 736 | }
|
---|
| 737 | }
|
---|
| 738 | }
|
---|
| 739 | }
|
---|
| 740 |
|
---|
| 741 | ExportMesh(mesh);
|
---|
[438] | 742 | ExportRays(rays);
|
---|
| 743 | CLEAR_CONTAINER(rays);
|
---|
[434] | 744 | delete mesh;
|
---|
| 745 | return true;
|
---|
| 746 | }
|
---|
| 747 |
|
---|
| 748 | bool
|
---|
[438] | 749 | X3dExporter::ExportVssTree2(const VssTree &tree,
|
---|
| 750 | const Vector3 direction
|
---|
| 751 | )
|
---|
| 752 | {
|
---|
| 753 | stack<VssTreeNode *> tStack;
|
---|
| 754 |
|
---|
| 755 |
|
---|
| 756 | mUseForcedMaterial = true;
|
---|
| 757 |
|
---|
| 758 | Vector3 dirParam;
|
---|
| 759 |
|
---|
| 760 | dirParam.x = VssRay::GetDirParam(0, Normalize(direction));
|
---|
| 761 | dirParam.y = VssRay::GetDirParam(1, Normalize(direction));
|
---|
| 762 |
|
---|
| 763 | float maxImportance = 0.0f;
|
---|
| 764 | tStack.push(tree.GetRoot());
|
---|
| 765 | while (!tStack.empty()) {
|
---|
| 766 |
|
---|
| 767 | VssTreeNode *node = tStack.top();
|
---|
| 768 | tStack.pop();
|
---|
| 769 |
|
---|
| 770 | if (!node->IsLeaf()) {
|
---|
| 771 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
| 772 | if (interior->axis < 3) {
|
---|
| 773 | tStack.push(interior->front);
|
---|
| 774 | tStack.push(interior->back);
|
---|
| 775 | } else {
|
---|
| 776 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 777 | tStack.push(interior->back);
|
---|
| 778 | else
|
---|
| 779 | tStack.push(interior->front);
|
---|
| 780 | }
|
---|
| 781 | } else {
|
---|
| 782 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
| 783 | if (tree.ValidLeaf(leaf)) {
|
---|
| 784 | float i = leaf->GetImportance();
|
---|
| 785 | if (i > maxImportance)
|
---|
| 786 | maxImportance = i;
|
---|
| 787 | }
|
---|
| 788 | }
|
---|
| 789 | }
|
---|
| 790 |
|
---|
| 791 | tStack.push(tree.GetRoot());
|
---|
| 792 | while (!tStack.empty()) {
|
---|
| 793 |
|
---|
| 794 | VssTreeNode *node = tStack.top();
|
---|
| 795 | tStack.pop();
|
---|
| 796 |
|
---|
| 797 |
|
---|
| 798 | if (!node->IsLeaf()) {
|
---|
| 799 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
| 800 | if (interior->axis < 3) {
|
---|
| 801 | tStack.push(interior->front);
|
---|
| 802 | tStack.push(interior->back);
|
---|
| 803 | } else {
|
---|
| 804 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 805 | tStack.push(interior->back);
|
---|
| 806 | else
|
---|
| 807 | tStack.push(interior->front);
|
---|
| 808 | }
|
---|
| 809 | } else {
|
---|
| 810 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
| 811 | if (tree.ValidLeaf(leaf)) {
|
---|
| 812 | AxisAlignedBox3 box;
|
---|
| 813 | box = tree.GetBBox(leaf);
|
---|
| 814 | Mesh *mesh = new Mesh;
|
---|
[486] | 815 | box.AddBoxToMesh(mesh);
|
---|
[438] | 816 |
|
---|
| 817 | // get 4 corners of the ray directions
|
---|
| 818 |
|
---|
| 819 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 820 | mForcedMaterial.mDiffuseColor.r = leaf->GetImportance()/maxImportance;
|
---|
| 821 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 822 |
|
---|
| 823 | ExportMesh(mesh);
|
---|
| 824 | delete mesh;
|
---|
| 825 | }
|
---|
| 826 | }
|
---|
| 827 | }
|
---|
| 828 |
|
---|
| 829 | mUseForcedMaterial = false;
|
---|
| 830 |
|
---|
| 831 | return true;
|
---|
| 832 | }
|
---|
| 833 |
|
---|
| 834 | bool
|
---|
[263] | 835 | X3dExporter::ExportBspTreeRayDensity(const BspTree &tree)
|
---|
| 836 | {
|
---|
[311] | 837 | stack<BspNode *> tStack;
|
---|
| 838 |
|
---|
| 839 | tStack.push(tree.GetRoot());
|
---|
| 840 |
|
---|
| 841 | bool fm = mUseForcedMaterial;
|
---|
| 842 |
|
---|
| 843 | mUseForcedMaterial = true;
|
---|
| 844 |
|
---|
| 845 | mForcedMaterial.mDiffuseColor.g = 1.0f;
|
---|
| 846 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 847 |
|
---|
| 848 | while (!tStack.empty())
|
---|
| 849 | {
|
---|
| 850 | BspNode *node = tStack.top();
|
---|
| 851 | tStack.pop();
|
---|
| 852 |
|
---|
| 853 | if (node->IsLeaf())
|
---|
| 854 | {
|
---|
| 855 | ViewCell *vc = dynamic_cast<BspLeaf *>(node)->GetViewCell();
|
---|
[580] | 856 | #if 0
|
---|
[311] | 857 | // set the mesh material according to the ray density
|
---|
| 858 | if (vc->mPassingRays.mRays)
|
---|
| 859 | {
|
---|
[313] | 860 | float importance =
|
---|
[438] | 861 | vc->mPassingRays.mContributions / (float)vc->mPassingRays.mRays;
|
---|
| 862 |
|
---|
[311] | 863 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
| 864 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 865 | ExportViewCell(vc);
|
---|
[580] | 866 |
|
---|
[438] | 867 | }
|
---|
[580] | 868 | #endif
|
---|
| 869 | }
|
---|
| 870 | else
|
---|
[311] | 871 | {
|
---|
| 872 | BspInterior *interior = (BspInterior *)node;
|
---|
| 873 | tStack.push(interior->GetFront());
|
---|
| 874 | tStack.push(interior->GetBack());
|
---|
| 875 | }
|
---|
| 876 | }
|
---|
| 877 |
|
---|
| 878 | // restore the state of forced material
|
---|
| 879 | mUseForcedMaterial = fm;
|
---|
| 880 |
|
---|
[263] | 881 | return true;
|
---|
| 882 | }
|
---|
| 883 |
|
---|
| 884 | bool
|
---|
[191] | 885 | X3dExporter::ExportKdTreeRayDensity(const KdTree &tree)
|
---|
| 886 | {
|
---|
| 887 | stack<KdNode *> tStack;
|
---|
| 888 |
|
---|
| 889 | tStack.push(tree.GetRoot());
|
---|
| 890 |
|
---|
| 891 | bool fm = mUseForcedMaterial;
|
---|
| 892 | mUseForcedMaterial = true;
|
---|
| 893 | mForcedMaterial.mDiffuseColor.g = 1.0f;
|
---|
| 894 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 895 | while (!tStack.empty()) {
|
---|
| 896 | KdNode *node = tStack.top();
|
---|
| 897 | tStack.pop();
|
---|
| 898 | if (node->IsLeaf()) {
|
---|
| 899 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
| 900 | Mesh *mesh = new Mesh;
|
---|
| 901 |
|
---|
| 902 | // add 6 vertices of the box
|
---|
[289] | 903 | int index = (int)mesh->mVertices.size();
|
---|
[191] | 904 | for (int i=0; i < 8; i++) {
|
---|
| 905 | Vector3 v;
|
---|
| 906 | box.GetVertex(i, v);
|
---|
| 907 | mesh->mVertices.push_back(v);
|
---|
| 908 | }
|
---|
| 909 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
| 910 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
| 911 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
| 912 |
|
---|
| 913 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
| 914 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
| 915 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
| 916 |
|
---|
| 917 |
|
---|
| 918 | // set the mesh material according to the ray density
|
---|
| 919 | KdLeaf *leaf = (KdLeaf *) node;
|
---|
| 920 | if (leaf->mPassingRays.mRays) {
|
---|
| 921 | float importance = leaf->mPassingRays.mContributions/(float)leaf->mPassingRays.mRays;
|
---|
| 922 | // float importance = leaf->mPassingRays.mContributions/1000.0f;
|
---|
| 923 | // float importance = leaf->mPassingRays.mRays/1000.0f;
|
---|
| 924 | ///(float)leaf->mPassingRays.mRays;
|
---|
| 925 | // mForcedMaterial.mDiffuseColor.r = log10(leaf->mPassingRays.mRays)/3.0f;
|
---|
| 926 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
| 927 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 928 | ExportMesh(mesh);
|
---|
| 929 | }
|
---|
| 930 | delete mesh;
|
---|
| 931 | } else {
|
---|
| 932 | KdInterior *interior = (KdInterior *)node;
|
---|
| 933 | tStack.push(interior->mFront);
|
---|
| 934 | tStack.push(interior->mBack);
|
---|
| 935 | }
|
---|
| 936 | }
|
---|
| 937 | // restore the state of forced material
|
---|
| 938 | mUseForcedMaterial = fm;
|
---|
| 939 | return true;
|
---|
| 940 | }
|
---|
[312] | 941 |
|
---|
[329] | 942 |
|
---|
[312] | 943 | struct BspSplitData
|
---|
| 944 | {
|
---|
[372] | 945 | /// the current node
|
---|
| 946 | BspNode *mNode;
|
---|
| 947 |
|
---|
[449] | 948 | vector<Plane3> mPlanes;
|
---|
[372] | 949 | vector<bool> mSides;
|
---|
| 950 | bool mIsFront;
|
---|
[383] | 951 | int mDepth;
|
---|
[372] | 952 |
|
---|
[313] | 953 | BspSplitData(BspNode *node):
|
---|
[383] | 954 | mNode(node), mIsFront(false), mDepth(0)
|
---|
[372] | 955 | {};
|
---|
[383] | 956 |
|
---|
[312] | 957 | BspSplitData(BspNode *node,
|
---|
[449] | 958 | vector<Plane3> planes,
|
---|
[329] | 959 | vector<bool> sides,
|
---|
[383] | 960 | const bool isFront,
|
---|
| 961 | const int depth):
|
---|
| 962 | mNode(node), mPlanes(planes), mSides(sides),
|
---|
| 963 | mIsFront(isFront), mDepth(depth)
|
---|
[312] | 964 | {};
|
---|
| 965 | };
|
---|
| 966 |
|
---|
[383] | 967 | void X3dExporter::ExportLeavesGeometry(const BspTree &tree,
|
---|
| 968 | const vector<BspLeaf *> &leaves)
|
---|
[360] | 969 | {
|
---|
| 970 | vector<BspLeaf *>::const_iterator it, it_end = leaves.end();
|
---|
| 971 |
|
---|
| 972 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 973 | {
|
---|
[503] | 974 | BspNodeGeometry geom;
|
---|
| 975 | tree.ConstructGeometry(*it, geom);
|
---|
[360] | 976 |
|
---|
[678] | 977 | ExportPolygons(geom.GetPolys());
|
---|
[360] | 978 | }
|
---|
| 979 | }
|
---|
| 980 |
|
---|
[449] | 981 | void X3dExporter::ExportBspNodeSplits(BspNode *root,
|
---|
| 982 | const AxisAlignedBox3 &box,
|
---|
| 983 | const bool exportDepth,
|
---|
| 984 | const bool epsilon)
|
---|
[372] | 985 | {
|
---|
| 986 | std::stack<BspSplitData> tStack;
|
---|
| 987 |
|
---|
[449] | 988 | BspSplitData tData(root);
|
---|
[372] | 989 | tStack.push(tData);
|
---|
| 990 |
|
---|
| 991 | PolygonContainer polys;
|
---|
[383] | 992 | vector <int> depths;
|
---|
[372] | 993 |
|
---|
[383] | 994 | int maxDepth = 0;
|
---|
| 995 |
|
---|
[372] | 996 | while (!tStack.empty())
|
---|
| 997 | {
|
---|
| 998 | // filter polygons donw the tree
|
---|
| 999 | BspSplitData tData = tStack.top();
|
---|
| 1000 | tStack.pop();
|
---|
| 1001 |
|
---|
[383] | 1002 | if (tData.mNode->IsLeaf())
|
---|
[372] | 1003 | {
|
---|
[383] | 1004 | if (tData.mDepth > maxDepth)
|
---|
| 1005 | maxDepth = tData.mDepth;
|
---|
| 1006 | }
|
---|
| 1007 | else
|
---|
| 1008 | {
|
---|
[372] | 1009 | BspInterior *interior = dynamic_cast<BspInterior *>(tData.mNode);
|
---|
| 1010 |
|
---|
[383] | 1011 | // add current side of split plane
|
---|
[449] | 1012 | if (tData.mNode != root)
|
---|
[383] | 1013 | tData.mSides.push_back(tData.mIsFront);
|
---|
[372] | 1014 |
|
---|
| 1015 | // bounded plane is added to the polygons
|
---|
[383] | 1016 | Polygon3 *planePoly =
|
---|
[449] | 1017 | box.CrossSection(interior->GetPlane());
|
---|
[372] | 1018 |
|
---|
| 1019 | // do all the splits with the previous planes
|
---|
| 1020 | for (int i = 0; i < (int)tData.mPlanes.size(); ++ i)
|
---|
[436] | 1021 | {
|
---|
[449] | 1022 | if (planePoly->ClassifyPlane(tData.mPlanes[i], epsilon)
|
---|
| 1023 | == Polygon3::SPLIT)
|
---|
[372] | 1024 | {
|
---|
| 1025 | Polygon3 *frontPoly = new Polygon3();
|
---|
| 1026 | Polygon3 *backPoly = new Polygon3();
|
---|
| 1027 |
|
---|
[449] | 1028 | planePoly->Split(tData.mPlanes[i],
|
---|
| 1029 | *frontPoly,
|
---|
| 1030 | *backPoly,
|
---|
| 1031 | epsilon);
|
---|
| 1032 |
|
---|
[372] | 1033 | DEL_PTR(planePoly);
|
---|
| 1034 |
|
---|
| 1035 | if(tData.mSides[i] == true)
|
---|
| 1036 | {
|
---|
| 1037 | planePoly = frontPoly;
|
---|
| 1038 | DEL_PTR(backPoly);
|
---|
| 1039 | }
|
---|
| 1040 | else
|
---|
| 1041 | {
|
---|
| 1042 | planePoly = backPoly;
|
---|
| 1043 | DEL_PTR(frontPoly);
|
---|
| 1044 | }
|
---|
| 1045 | }
|
---|
| 1046 | }
|
---|
| 1047 |
|
---|
| 1048 | tData.mPlanes.push_back(interior->GetPlane()); // add plane to split planes
|
---|
| 1049 |
|
---|
[449] | 1050 | if (planePoly->Valid(epsilon))
|
---|
[383] | 1051 | {
|
---|
[372] | 1052 | polys.push_back(planePoly);
|
---|
[383] | 1053 | depths.push_back(tData.mDepth);
|
---|
| 1054 | }
|
---|
[372] | 1055 | else
|
---|
| 1056 | DEL_PTR(planePoly);
|
---|
| 1057 |
|
---|
| 1058 | // push the children on the stack
|
---|
[383] | 1059 | tStack.push(BspSplitData(interior->GetFront(), tData.mPlanes,
|
---|
| 1060 | tData.mSides, true, tData.mDepth + 1));
|
---|
| 1061 | tStack.push(BspSplitData(interior->GetBack(), tData.mPlanes,
|
---|
| 1062 | tData.mSides, false, tData.mDepth + 1));
|
---|
[372] | 1063 | }
|
---|
[383] | 1064 | }
|
---|
| 1065 |
|
---|
| 1066 | if (maxDepth > 0)
|
---|
| 1067 | {
|
---|
| 1068 | mUseForcedMaterial = true;
|
---|
| 1069 |
|
---|
| 1070 | for (int i = 0; i < (int)polys.size(); ++ i)
|
---|
| 1071 | {
|
---|
| 1072 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 1073 | float importance = (float)depths[i]/ (float)maxDepth;
|
---|
| 1074 |
|
---|
| 1075 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
| 1076 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 1077 |
|
---|
| 1078 | ExportPolygon(polys[i]);
|
---|
| 1079 | }
|
---|
| 1080 | }
|
---|
| 1081 | else
|
---|
| 1082 | {
|
---|
| 1083 | ExportPolygons(polys);
|
---|
| 1084 | }
|
---|
| 1085 |
|
---|
[372] | 1086 | CLEAR_CONTAINER(polys);
|
---|
| 1087 | }
|
---|
| 1088 |
|
---|
[449] | 1089 | void X3dExporter::ExportBspSplits(const BspTree &tree,
|
---|
| 1090 | const bool exportDepth)
|
---|
| 1091 | {
|
---|
| 1092 | ExportBspNodeSplits(tree.GetRoot(),
|
---|
| 1093 | tree.GetBoundingBox(),
|
---|
| 1094 | exportDepth,
|
---|
| 1095 | tree.GetEpsilon());
|
---|
| 1096 | }
|
---|
| 1097 |
|
---|
| 1098 | void X3dExporter::ExportBspSplits(const VspBspTree &tree,
|
---|
| 1099 | const bool exportDepth)
|
---|
| 1100 | {
|
---|
| 1101 | ExportBspNodeSplits(tree.GetRoot(),
|
---|
| 1102 | tree.GetBoundingBox(),
|
---|
| 1103 | exportDepth,
|
---|
| 1104 | tree.GetEpsilon());
|
---|
| 1105 | }
|
---|
| 1106 |
|
---|
[372] | 1107 | void X3dExporter::ExportBspSplitPlanes(const BspTree &tree)
|
---|
| 1108 | {
|
---|
| 1109 | std::stack<BspNode *> tStack;
|
---|
| 1110 |
|
---|
| 1111 | tStack.push(tree.GetRoot());
|
---|
| 1112 |
|
---|
| 1113 | PolygonContainer polys;
|
---|
| 1114 |
|
---|
| 1115 | while (!tStack.empty())
|
---|
| 1116 | {
|
---|
| 1117 | // filter polygons donw the tree
|
---|
| 1118 | BspNode *node = tStack.top();
|
---|
| 1119 | tStack.pop();
|
---|
| 1120 |
|
---|
| 1121 | if (!node->IsLeaf())
|
---|
| 1122 | {
|
---|
| 1123 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
|
---|
| 1124 |
|
---|
| 1125 | // bounded plane is added to the polygons
|
---|
[449] | 1126 | polys.push_back(tree.GetBoundingBox().CrossSection(interior->GetPlane()));
|
---|
[372] | 1127 |
|
---|
| 1128 | // push the children on the stack
|
---|
| 1129 | tStack.push(interior->GetBack());
|
---|
| 1130 | tStack.push(interior->GetFront());
|
---|
| 1131 | }
|
---|
| 1132 | }
|
---|
| 1133 |
|
---|
| 1134 | ExportPolygons(polys);
|
---|
| 1135 | CLEAR_CONTAINER(polys);
|
---|
| 1136 | }
|
---|
[440] | 1137 |
|
---|
| 1138 |
|
---|
[449] | 1139 | void X3dExporter::ExportGeometry(const ObjectContainer &objects)
|
---|
[440] | 1140 | {
|
---|
[712] | 1141 | ObjectContainer::const_iterator oit, oit_end = objects.end();
|
---|
| 1142 |
|
---|
| 1143 | if (1)
|
---|
| 1144 | {
|
---|
| 1145 | for (oit = objects.begin(); oit != oit_end; ++ oit)
|
---|
| 1146 | {
|
---|
| 1147 | if (1)
|
---|
| 1148 | {
|
---|
| 1149 | SetForcedMaterial(RandomMaterial());
|
---|
| 1150 | }
|
---|
| 1151 |
|
---|
| 1152 | ExportIntersectable(*oit);
|
---|
| 1153 | }
|
---|
| 1154 |
|
---|
| 1155 | return;
|
---|
| 1156 | }
|
---|
| 1157 |
|
---|
| 1158 | // hack: all object exported as one mesh
|
---|
[685] | 1159 | PolygonContainer polys;
|
---|
[712] | 1160 |
|
---|
| 1161 | for (oit = objects.begin(); oit != oit_end; ++ oit)
|
---|
| 1162 | {
|
---|
| 1163 | polys.push_back(new Polygon3(dynamic_cast<MeshInstance *>(*oit)->GetMesh()->mVertices));
|
---|
[685] | 1164 | }
|
---|
| 1165 |
|
---|
| 1166 | Mesh dummyMesh;
|
---|
[712] | 1167 | PolygonContainer::const_iterator pit, pit_end = polys.end();
|
---|
[685] | 1168 |
|
---|
[712] | 1169 | for (pit = polys.begin(); pit != pit_end; ++ pit)
|
---|
| 1170 | {
|
---|
| 1171 | (*pit)->AddToMesh(dummyMesh);
|
---|
| 1172 | }
|
---|
| 1173 |
|
---|
[685] | 1174 | ExportMesh(&dummyMesh);
|
---|
[712] | 1175 |
|
---|
[685] | 1176 | CLEAR_CONTAINER(polys);
|
---|
[440] | 1177 | }
|
---|
[449] | 1178 |
|
---|
| 1179 |
|
---|
[450] | 1180 | bool
|
---|
| 1181 | X3dExporter::ExportRssTree2(const RssTree &tree,
|
---|
| 1182 | const Vector3 direction
|
---|
| 1183 | )
|
---|
| 1184 | {
|
---|
| 1185 | stack<RssTreeNode *> tStack;
|
---|
| 1186 |
|
---|
| 1187 |
|
---|
| 1188 | mUseForcedMaterial = true;
|
---|
| 1189 |
|
---|
| 1190 | Vector3 dirParam;
|
---|
| 1191 |
|
---|
| 1192 | dirParam.x = VssRay::GetDirParam(0, Normalize(direction));
|
---|
| 1193 | dirParam.y = VssRay::GetDirParam(1, Normalize(direction));
|
---|
| 1194 |
|
---|
| 1195 | float maxImportance = 0.0f;
|
---|
| 1196 | tStack.push(tree.GetRoot());
|
---|
| 1197 | while (!tStack.empty()) {
|
---|
| 1198 |
|
---|
| 1199 | RssTreeNode *node = tStack.top();
|
---|
| 1200 | tStack.pop();
|
---|
| 1201 |
|
---|
| 1202 | if (!node->IsLeaf()) {
|
---|
| 1203 | RssTreeInterior *interior = (RssTreeInterior *)node;
|
---|
| 1204 | if (interior->axis < 3) {
|
---|
| 1205 | tStack.push(interior->front);
|
---|
| 1206 | tStack.push(interior->back);
|
---|
| 1207 | } else {
|
---|
| 1208 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 1209 | tStack.push(interior->back);
|
---|
| 1210 | else
|
---|
| 1211 | tStack.push(interior->front);
|
---|
| 1212 | }
|
---|
| 1213 | } else {
|
---|
| 1214 | RssTreeLeaf *leaf = (RssTreeLeaf *)node;
|
---|
| 1215 | if (tree.ValidLeaf(leaf)) {
|
---|
| 1216 | float i = leaf->GetImportance();
|
---|
| 1217 | if (i > maxImportance)
|
---|
| 1218 | maxImportance = i;
|
---|
| 1219 | }
|
---|
| 1220 | }
|
---|
| 1221 | }
|
---|
| 1222 |
|
---|
| 1223 | tStack.push(tree.GetRoot());
|
---|
| 1224 | while (!tStack.empty()) {
|
---|
| 1225 |
|
---|
| 1226 | RssTreeNode *node = tStack.top();
|
---|
| 1227 | tStack.pop();
|
---|
| 1228 |
|
---|
| 1229 |
|
---|
| 1230 | if (!node->IsLeaf()) {
|
---|
| 1231 | RssTreeInterior *interior = (RssTreeInterior *)node;
|
---|
| 1232 | if (interior->axis < 3) {
|
---|
| 1233 | tStack.push(interior->front);
|
---|
| 1234 | tStack.push(interior->back);
|
---|
| 1235 | } else {
|
---|
| 1236 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 1237 | tStack.push(interior->back);
|
---|
| 1238 | else
|
---|
| 1239 | tStack.push(interior->front);
|
---|
| 1240 | }
|
---|
| 1241 | } else {
|
---|
| 1242 | RssTreeLeaf *leaf = (RssTreeLeaf *)node;
|
---|
| 1243 | if (tree.ValidLeaf(leaf)) {
|
---|
| 1244 | AxisAlignedBox3 box;
|
---|
| 1245 | box = tree.GetShrankedBBox(leaf);
|
---|
| 1246 | Mesh *mesh = new Mesh;
|
---|
[486] | 1247 | box.AddBoxToMesh(mesh);
|
---|
[450] | 1248 |
|
---|
| 1249 | // get 4 corners of the ray directions
|
---|
| 1250 |
|
---|
| 1251 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 1252 | mForcedMaterial.mDiffuseColor.r = leaf->GetImportance()/maxImportance;
|
---|
| 1253 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 1254 |
|
---|
| 1255 | ExportMesh(mesh);
|
---|
| 1256 | delete mesh;
|
---|
| 1257 | }
|
---|
| 1258 | }
|
---|
| 1259 | }
|
---|
| 1260 |
|
---|
| 1261 | mUseForcedMaterial = false;
|
---|
| 1262 |
|
---|
| 1263 | return true;
|
---|
| 1264 | }
|
---|
[459] | 1265 |
|
---|
| 1266 |
|
---|
| 1267 | void
|
---|
| 1268 | X3dExporter::ExportViewpoint(const Vector3 &point,
|
---|
| 1269 | const Vector3 &direction)
|
---|
| 1270 | {
|
---|
| 1271 | stream<<"<Viewpoint "<<endl;
|
---|
| 1272 |
|
---|
| 1273 | stream<<"position=\""<<point.x<<" "<<point.y<<" "<<point.z<<"\""<<endl;
|
---|
| 1274 | // stream<<"orientation "<<direction.x<<direction.y<<direction.z<<endl;
|
---|
| 1275 |
|
---|
| 1276 | stream<<">"<<endl;
|
---|
| 1277 | stream<<"</Viewpoint>"<<endl;
|
---|
[535] | 1278 |
|
---|
[459] | 1279 | }
|
---|
[535] | 1280 |
|
---|
| 1281 |
|
---|
| 1282 |
|
---|
| 1283 | void X3dExporter::ExportBeam(const Beam &beam, const AxisAlignedBox3 &box)
|
---|
| 1284 | {
|
---|
[540] | 1285 | if (beam.mMesh)
|
---|
| 1286 | {
|
---|
| 1287 | ExportMesh(beam.mMesh);
|
---|
| 1288 | return;
|
---|
| 1289 | }
|
---|
| 1290 |
|
---|
[535] | 1291 | PolygonContainer polys;
|
---|
| 1292 | //ExportBox(beam.mBox);
|
---|
| 1293 |
|
---|
[540] | 1294 | const float zfar = 2.0f * Magnitude(box.Diagonal());
|
---|
| 1295 |
|
---|
| 1296 | // box should not never remove part of beam polygons
|
---|
[564] | 1297 | Vector3 bmin = beam.mBox.Min() - Vector3(zfar * 2.0f);
|
---|
| 1298 | Vector3 bmax = beam.mBox.Max() + Vector3(zfar * 2.0f);
|
---|
[540] | 1299 |
|
---|
| 1300 | AxisAlignedBox3 bbox(bmin, bmax);
|
---|
| 1301 | Plane3 fplane;
|
---|
| 1302 | fplane.mNormal = -beam.mPlanes[0].mNormal;
|
---|
| 1303 |
|
---|
| 1304 | fplane.mD = beam.mPlanes[0].mD - zfar - 1.0f;
|
---|
| 1305 |
|
---|
| 1306 | vector<Plane3> planes = beam.mPlanes;
|
---|
| 1307 | planes.push_back(fplane);
|
---|
| 1308 |
|
---|
| 1309 | for (int i = 0; i < planes.size(); ++ i)
|
---|
[535] | 1310 | {
|
---|
[540] | 1311 | Polygon3 *poly = bbox.CrossSection(planes[i]);
|
---|
| 1312 | if (!poly->Valid(Limits::Small))
|
---|
| 1313 | DEL_PTR(poly);
|
---|
[535] | 1314 |
|
---|
[540] | 1315 | for (int j = 0; (j < planes.size()) && poly; ++ j)
|
---|
[535] | 1316 | {
|
---|
| 1317 | if (j != i)
|
---|
| 1318 | {
|
---|
| 1319 | Polygon3 *front = new Polygon3();
|
---|
| 1320 | Polygon3 *back = new Polygon3();
|
---|
| 1321 |
|
---|
[540] | 1322 | poly->Split(planes[j], *front, *back, Limits::Small);
|
---|
[535] | 1323 | DEL_PTR(poly);
|
---|
| 1324 | DEL_PTR(front);
|
---|
| 1325 |
|
---|
| 1326 | if (!back->Valid(Limits::Small))
|
---|
| 1327 | DEL_PTR(back);
|
---|
| 1328 | poly = back;
|
---|
| 1329 | }
|
---|
| 1330 | }
|
---|
| 1331 | if (poly)
|
---|
| 1332 | polys.push_back(poly);
|
---|
| 1333 | }
|
---|
| 1334 |
|
---|
| 1335 | ExportPolygons(polys);
|
---|
| 1336 | CLEAR_CONTAINER(polys);
|
---|
[685] | 1337 | }
|
---|