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