[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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[1233] | 11 | #include "HierarchyManager.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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[863] | 17 | namespace GtpVisibilityPreprocessor {
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[449] | 18 |
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[694] | 19 |
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[162] | 20 | X3dExporter::X3dExporter(const string filename):Exporter(filename)
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| 21 | {
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| 22 | stream.open(mFilename.c_str());
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| 23 | stream<<"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"<<endl;
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| 24 | stream<<"<X3D>"<<endl;
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| 25 | stream<<"<Scene>"<<endl;
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| 26 |
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| 27 | }
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| 28 |
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[1486] | 29 |
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[162] | 30 | X3dExporter::~X3dExporter()
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| 31 | {
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| 32 | stream<<"</Scene>"<<endl;
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| 33 | stream<<"</X3D>"<<endl;
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| 34 | stream.close();
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| 35 | }
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| 36 |
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[176] | 37 |
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[1112] | 38 |
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[162] | 39 | bool
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[386] | 40 | X3dExporter::ExportRays(const RayContainer &rays,
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[444] | 41 | const float length,
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| 42 | const RgbColor &color)
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[162] | 43 | {
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[386] | 44 | RayContainer::const_iterator ri = rays.begin();
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| 45 |
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[162] | 46 | stream<<"<Shape>"<<endl;
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[176] | 47 | stream<<"<Appearance>"<<endl;
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[427] | 48 | stream<<"<Material diffuseColor=\""<<color.r<<" "<<color.g<<" "<<color.b<<
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[176] | 49 | "\" />"<<endl;
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| 50 | stream<<"</Appearance>"<<endl;
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| 51 |
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[209] | 52 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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[162] | 53 |
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| 54 | int index = 0;
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| 55 | for (; ri != rays.end(); ri++) {
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| 56 | stream<<index<<" "<<index+1<<" -1\n";
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| 57 | index+=2;
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| 58 | }
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| 59 |
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| 60 | stream<<"\" >"<<endl;
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| 61 |
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| 62 | stream<<"<Coordinate point=\""<<endl;
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| 63 |
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| 64 | ri = rays.begin();
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| 65 | for (; ri != rays.end(); ri++) {
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[386] | 66 | Vector3 a = (*ri)->GetLoc();
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[162] | 67 |
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[176] | 68 | Vector3 b;
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| 69 | if (length < 0)
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[386] | 70 | b = (*ri)->GetLoc() - length*(*ri)->GetDir();
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[176] | 71 | else
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[386] | 72 | if ((*ri)->intersections.size()==0)
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[492] | 73 | b = (*ri)->GetLoc() + length*(*ri)->GetDir();
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[176] | 74 | else
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[492] | 75 | b = (*ri)->Extrap((*ri)->intersections[0].mT);
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[176] | 76 |
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[162] | 77 | stream<<a.x<<" "<<a.y<<" "<<a.z<<" ,";
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| 78 | stream<<b.x<<" "<<b.y<<" "<<b.z<<" ,\n";
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| 79 | }
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| 80 |
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| 81 | stream<<"\" >"<<endl;
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| 82 | stream<<"</Coordinate>"<<endl;
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| 83 | stream<<"</IndexedLineSet>"<<endl;
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| 84 | stream<<"</Shape>"<<endl;
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[386] | 85 |
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[162] | 86 | return true;
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| 87 | }
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| 88 |
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[1112] | 89 |
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[349] | 90 | bool
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[1112] | 91 | X3dExporter::ExportRaySets(const vector<VssRayContainer> &rays,
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| 92 | const RgbColor &color)
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| 93 | {
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| 94 | vector<VssRayContainer>::const_iterator ri = rays.begin();
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| 95 |
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| 96 | stream<<"<Switch DEF=\"RAYS\" whichChoice=\"0\" >"<<endl;
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| 97 |
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| 98 | bool result = false;
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| 99 |
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| 100 | for (; ri != rays.end(); ri++) {
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| 101 | result = ExportRays(*ri, color);
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| 102 | if (!result) {
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| 103 | cerr<<"Error while exporting rays!\n";
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| 104 | break;
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| 105 | }
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| 106 | }
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| 107 |
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| 108 | stream<<"</Switch>"<<endl;
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| 109 |
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| 110 | stream<<"<TimeSensor DEF='TIMER' loop='true' startTime='0' stopTime='0' cycleInterval='5'>"
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| 111 | <<endl;
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| 112 | stream<<"</TimeSensor>"<<endl;
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| 113 |
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| 114 | stream<<"<IntegerSequencer DEF='SEQ'"<<endl;
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| 115 | stream<<"key='0.0 ";
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| 116 | int i;
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[1178] | 117 | int size = (int)rays.size() + 2;
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[1112] | 118 | for (i=1; i < size; i++) {
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| 119 | stream<<i/(float)(size-1)<<" ";
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| 120 | }
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| 121 | stream<<"'\n";
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| 122 |
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| 123 | stream<<"keyValue='";
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| 124 | for (i=0; i < size; i++) {
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| 125 | stream<<i<<" ";
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| 126 | }
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| 127 | stream<<"'>\n";
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| 128 |
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| 129 | stream<<"</IntegerSequencer>"<<endl;
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| 130 |
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| 131 | stream<<
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| 132 | "<ROUTE fromNode='TIMER' fromField='fraction_changed' toNode='SEQ' toField='set_fraction'>";
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| 133 | stream<<"</ROUTE>"<<endl;
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| 134 |
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| 135 | stream<<"<ROUTE fromNode='SEQ' fromField='value_changed' toNode='RAYS' toField='set_whichChoice'>";
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| 136 |
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| 137 | stream<<"</ROUTE>"<<endl;
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| 138 |
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| 139 | return result;
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| 140 | }
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| 141 |
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| 142 | bool
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[386] | 143 | X3dExporter::ExportRays(const VssRayContainer &rays,
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[444] | 144 | const RgbColor &color)
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[349] | 145 | {
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[386] | 146 | VssRayContainer::const_iterator ri = rays.begin();
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[349] | 147 |
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| 148 | stream<<"<Shape>"<<endl;
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| 149 | stream<<"<Appearance>"<<endl;
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[427] | 150 | stream<<"<Material diffuseColor=\""<<color.r<<" "<<color.g<<" "<<color.b<<
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[349] | 151 | "\" />"<<endl;
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| 152 | stream<<"</Appearance>"<<endl;
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| 153 |
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| 154 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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| 155 |
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| 156 | int index = 0;
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| 157 | for (; ri != rays.end(); ri++) {
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| 158 | stream<<index<<" "<<index+1<<" -1\n";
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| 159 | index+=2;
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| 160 | }
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| 161 |
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| 162 | stream<<"\" >"<<endl;
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| 163 |
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| 164 | stream<<"<Coordinate point=\""<<endl;
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| 165 |
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| 166 | ri = rays.begin();
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| 167 | for (; ri != rays.end(); ri++) {
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[444] | 168 | const Vector3 a = (*ri)->GetOrigin();
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[483] | 169 | //const Vector3 b = (*ri)->mTerminationObject ? (*ri)->GetTermination() : a + 1000 * Normalize((*ri)->GetDir());
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| 170 | const Vector3 b = (*ri)->GetTermination(); // matt: change again!!
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| 171 |
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[349] | 172 | stream<<a.x<<" "<<a.y<<" "<<a.z<<" ,";
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[444] | 173 | stream<<b.x<<" "<<b.y<<" "<<b.z<<" ,\n";
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[349] | 174 | }
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| 175 |
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| 176 | stream<<"\" >"<<endl;
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| 177 | stream<<"</Coordinate>"<<endl;
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| 178 | stream<<"</IndexedLineSet>"<<endl;
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| 179 | stream<<"</Shape>"<<endl;
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[386] | 180 |
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[349] | 181 | return true;
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| 182 | }
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| 183 |
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[162] | 184 | void
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| 185 | X3dExporter::ExportSceneNode(SceneGraphNode *node)
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| 186 | {
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| 187 | stream<<"<Group>"<<endl;
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| 188 |
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| 189 | SceneGraphNodeContainer::iterator ni = node->mChildren.begin();
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| 190 | for (; ni != node->mChildren.end(); ni++)
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| 191 | ExportSceneNode(*ni);
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| 192 |
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| 193 |
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[176] | 194 | ObjectContainer::const_iterator mi = node->mGeometry.begin();
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[162] | 195 | for (; mi != node->mGeometry.end(); mi++) {
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| 196 | // export the transform...
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[176] | 197 | ExportIntersectable(*mi);
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[162] | 198 | }
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| 199 |
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| 200 | stream<<"</Group>"<<endl;
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| 201 |
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| 202 | }
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| 203 |
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[694] | 204 |
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[313] | 205 | void
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[396] | 206 | X3dExporter::ExportBspLeaves(const BspTree &tree, const int maxPvs)
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[373] | 207 | {
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[396] | 208 | stack<pair<BspNode *, BspNodeGeometry *> > tStack;
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| 209 | ViewCell::NewMail();
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[373] | 210 |
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[396] | 211 | BspNodeGeometry *geom = new BspNodeGeometry();
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| 212 | tree.ConstructGeometry(tree.GetRoot(), *geom);
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[373] | 213 |
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[396] | 214 | tStack.push(pair<BspNode *, BspNodeGeometry *>(tree.GetRoot(), geom));
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| 215 |
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[1020] | 216 | if (maxPvs)
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[396] | 217 | mUseForcedMaterial = true;
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| 218 |
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| 219 | while (!tStack.empty())
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[373] | 220 | {
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[396] | 221 | BspNode *node = tStack.top().first;
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| 222 | BspNodeGeometry *cell = tStack.top().second;
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| 223 | tStack.pop();
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| 224 |
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| 225 | if (!node->IsLeaf())
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| 226 | {
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| 227 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
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| 228 |
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| 229 | BspNodeGeometry *front = new BspNodeGeometry();
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| 230 | BspNodeGeometry *back = new BspNodeGeometry();
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| 231 |
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[449] | 232 | cell->SplitGeometry(*front,
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| 233 | *back,
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| 234 | interior->GetPlane(),
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| 235 | tree.GetBoundingBox(),
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| 236 | tree.GetEpsilon());
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[396] | 237 |
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| 238 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetFront(), front));
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| 239 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetBack(), back));
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| 240 | }
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| 241 | else
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| 242 | {
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[1020] | 243 | if (maxPvs)
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[396] | 244 | {
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| 245 | BspLeaf *leaf = dynamic_cast<BspLeaf *>(node);
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| 246 |
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| 247 | mForcedMaterial.mDiffuseColor.b = 1.0f;
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[1141] | 248 | const float importance =
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[1707] | 249 | (float)leaf->GetViewCell()->GetPvs().EvalPvsCost() / (float)maxPvs;
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[396] | 250 |
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| 251 | mForcedMaterial.mDiffuseColor.r = importance;
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| 252 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
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| 253 | }
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[678] | 254 | ExportPolygons(cell->GetPolys());
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[1344] | 255 | }
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[396] | 256 | DEL_PTR(cell);
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[373] | 257 | }
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| 258 | }
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| 259 |
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[176] | 260 | void
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[261] | 261 | X3dExporter::ExportViewCell(ViewCell *viewCell)
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[242] | 262 | {
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[261] | 263 | if (viewCell->GetMesh())
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[1344] | 264 | {
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[261] | 265 | ExportMesh(viewCell->GetMesh());
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[1344] | 266 | }
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[242] | 267 | }
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| 268 |
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| 269 | void
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[162] | 270 | X3dExporter::ExportMesh(Mesh *mesh)
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| 271 | {
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| 272 |
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| 273 | stream<<"<Shape>"<<endl;
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| 274 | stream<<"<Appearance>"<<endl;
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[176] | 275 |
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[162] | 276 | // $$ tmp -> random material
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| 277 |
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| 278 | float r, g, b;
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| 279 |
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[176] | 280 | if (mUseForcedMaterial) {
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| 281 | r = mForcedMaterial.mDiffuseColor.r;
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| 282 | g = mForcedMaterial.mDiffuseColor.g;
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| 283 | b = mForcedMaterial.mDiffuseColor.b;
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| 284 |
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| 285 | } else
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| 286 | if (mesh->mMaterial) {
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| 287 | r = mesh->mMaterial->mDiffuseColor.r;
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| 288 | g = mesh->mMaterial->mDiffuseColor.g;
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| 289 | b = mesh->mMaterial->mDiffuseColor.b;
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| 290 | } else {
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| 291 | r = RandomValue(0.5, 1.0);
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| 292 | g = RandomValue(0.5, 1.0);
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| 293 | b = RandomValue(0.5, 1.0);
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| 294 | }
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[1001] | 295 |
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[162] | 296 | stream<<"<Material diffuseColor=\""<<r<<" "<<g<<" "<<b<<
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| 297 | "\" specularColor=\"0.0 0.0 0.0\"/>"<<endl;
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| 298 | stream<<"</Appearance>"<<endl;
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| 299 |
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| 300 |
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[191] | 301 | if (mWireframe)
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[427] | 302 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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[162] | 303 | else
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[465] | 304 | //stream<<"<IndexedFaceSet ccw=\"TRUE\" coordIndex=\""<<endl;
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| 305 | stream << "<IndexedFaceSet coordIndex=\"" << endl;
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[162] | 306 |
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| 307 | FaceContainer::const_iterator fi = mesh->mFaces.begin();
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| 308 |
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| 309 | int index = 0;
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| 310 |
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| 311 | for (; fi != mesh->mFaces.end(); fi++) {
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| 312 | Face *face = *fi;
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| 313 | VertexIndexContainer::const_iterator vi = face->mVertexIndices.begin();
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| 314 | for (; vi != face->mVertexIndices.end(); vi++)
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| 315 | stream<<*vi<<" ";
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[378] | 316 | if (mWireframe) // final line to finish polygon
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| 317 | stream << (*face->mVertexIndices.begin()) << " ";
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| 318 |
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[162] | 319 | stream<<"-1"<<endl;
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| 320 | }
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| 321 | stream<<"\" >"<<endl;
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| 322 |
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| 323 | stream<<"<Coordinate point=\""<<endl;
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| 324 |
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| 325 | VertexContainer::const_iterator vi = mesh->mVertices.begin();
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| 326 | for (; vi != mesh->mVertices.end(); vi++) {
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| 327 | stream<<(*vi).x<<" "<<(*vi).y<<" "<<(*vi).z;
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| 328 | stream<<","<<endl;
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| 329 | }
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| 330 |
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| 331 | stream<<"\" >"<<endl;
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| 332 | stream<<"</Coordinate>"<<endl;
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| 333 |
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[191] | 334 | if (mWireframe)
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[162] | 335 | stream<<"</IndexedLineSet>"<<endl;
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| 336 | else
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| 337 | stream<<"</IndexedFaceSet>"<<endl;
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| 338 |
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| 339 | stream<<"</Shape>"<<endl;
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| 340 |
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| 341 | }
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| 342 |
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[242] | 343 |
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| 344 | void X3dExporter::ExportPolygon(Polygon3 *poly)
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| 345 | {
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| 346 | stream << "<Shape>" << endl;
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| 347 | stream << "<Appearance>" << endl;
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| 348 |
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| 349 | // $$ tmp -> random material
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| 350 |
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| 351 | float r, g, b;
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| 352 |
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| 353 | if (mUseForcedMaterial)
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| 354 | {
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| 355 | r = mForcedMaterial.mDiffuseColor.r;
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| 356 | g = mForcedMaterial.mDiffuseColor.g;
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| 357 | b = mForcedMaterial.mDiffuseColor.b;
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| 358 | }
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| 359 | else if (poly->mMaterial)
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| 360 | {
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| 361 | r = poly->mMaterial->mDiffuseColor.r;
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| 362 | g = poly->mMaterial->mDiffuseColor.g;
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| 363 | b = poly->mMaterial->mDiffuseColor.b;
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| 364 | } else
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| 365 | {
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| 366 | r = RandomValue(0.5, 1.0);
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| 367 | g = RandomValue(0.5, 1.0);
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| 368 | b = RandomValue(0.5, 1.0);
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| 369 | }
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| 370 |
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| 371 | stream << "<Material diffuseColor=\"" << r << " " << g << " " << b
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| 372 | << "\" specularColor=\"0.0 0.0 0.0\"/>" << endl;
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| 373 |
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| 374 | stream << "</Appearance>" << endl;
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| 375 |
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| 376 |
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[262] | 377 | //-- create and write indices
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[242] | 378 | if (mWireframe)
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[465] | 379 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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[242] | 380 | else
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[465] | 381 | //stream << "<IndexedFaceSet ccw=\"TRUE\" coordIndex=\"" << endl;
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| 382 | stream << "<IndexedFaceSet coordIndex=\"" << endl;
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[262] | 383 | int index = 0;
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| 384 |
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| 385 | VertexContainer::const_iterator vi;
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| 386 |
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[333] | 387 | for (index = 0; index < (int)poly->mVertices.size(); ++ index)
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[318] | 388 | stream << index << " ";
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| 389 |
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| 390 | if (mWireframe) // final line to finish polygon
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| 391 | stream << "0 ";
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| 392 |
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[262] | 393 | stream << "-1" << endl;
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| 394 | stream << "\" >" << endl;
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| 395 |
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[242] | 396 | stream << "<Coordinate point=\"" << endl;
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| 397 |
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[262] | 398 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
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[242] | 399 | {
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| 400 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
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| 401 | stream << "," << endl;
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| 402 | }
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| 403 |
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[262] | 404 | stream << "\" >" << endl;
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| 405 | stream << "</Coordinate>" << endl;
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[242] | 406 |
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| 407 | if (mWireframe)
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| 408 | stream << "</IndexedLineSet>" << endl;
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| 409 | else
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| 410 | stream << "</IndexedFaceSet>" << endl;
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| 411 |
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| 412 | stream << "</Shape>" << endl;
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| 413 | }
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| 414 |
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[712] | 415 |
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[1006] | 416 |
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[313] | 417 | void X3dExporter::ExportPolygons(const PolygonContainer &polys)
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[263] | 418 | {
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[318] | 419 | stream << "<Shape>" << endl;
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[263] | 420 | stream << "<Appearance>" << endl;
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| 421 |
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| 422 | // $$ tmp -> random material
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| 423 |
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| 424 | float r, g, b;
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[242] | 425 |
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[263] | 426 | if (mUseForcedMaterial)
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| 427 | {
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| 428 | r = mForcedMaterial.mDiffuseColor.r;
|
---|
| 429 | g = mForcedMaterial.mDiffuseColor.g;
|
---|
| 430 | b = mForcedMaterial.mDiffuseColor.b;
|
---|
| 431 | }
|
---|
| 432 | else
|
---|
| 433 | {
|
---|
| 434 | r = RandomValue(0.5, 1.0);
|
---|
| 435 | g = RandomValue(0.5, 1.0);
|
---|
| 436 | b = RandomValue(0.5, 1.0);
|
---|
| 437 | }
|
---|
| 438 |
|
---|
| 439 | stream << "<Material diffuseColor=\"" << r << " " << g << " " << b
|
---|
| 440 | << "\" specularColor=\"0.0 0.0 0.0\"/>" << endl;
|
---|
| 441 |
|
---|
| 442 | stream << "</Appearance>" << endl;
|
---|
| 443 |
|
---|
| 444 |
|
---|
| 445 | //-- create and write indices
|
---|
| 446 | if (mWireframe)
|
---|
[465] | 447 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
|
---|
[263] | 448 | else
|
---|
[465] | 449 | //stream << "<IndexedFaceSet ccw=\"TRUE\" coordIndex=\"" << endl;
|
---|
| 450 | stream << "<IndexedFaceSet coordIndex=\"" << endl;
|
---|
[263] | 451 |
|
---|
| 452 | int index = 0;
|
---|
| 453 |
|
---|
| 454 | PolygonContainer::const_iterator pit;
|
---|
| 455 |
|
---|
| 456 | VertexContainer::const_iterator vi;
|
---|
| 457 |
|
---|
[313] | 458 | for (pit = polys.begin(); pit != polys.end(); ++pit)
|
---|
[263] | 459 | {
|
---|
| 460 | Polygon3 *poly = *pit;
|
---|
[318] | 461 | int startIdx = index;
|
---|
[263] | 462 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
| 463 | {
|
---|
| 464 | stream << index ++ << " ";
|
---|
| 465 | }
|
---|
[318] | 466 |
|
---|
| 467 | stream << startIdx << " ";// finish line
|
---|
[263] | 468 | stream << "-1" << endl;
|
---|
| 469 | }
|
---|
| 470 |
|
---|
| 471 | stream << "\" >" << endl;
|
---|
| 472 |
|
---|
| 473 | stream << "<Coordinate point=\"" << endl;
|
---|
[318] | 474 | for (pit = polys.begin(); pit != polys.end(); ++ pit)
|
---|
[263] | 475 | {
|
---|
| 476 | Polygon3 *poly = *pit;
|
---|
| 477 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
| 478 | {
|
---|
| 479 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
|
---|
| 480 | stream << "," << endl;
|
---|
| 481 | }
|
---|
| 482 | }
|
---|
| 483 | stream << "\" >" << endl;
|
---|
| 484 | stream << "</Coordinate>" << endl;
|
---|
| 485 |
|
---|
| 486 | if (mWireframe)
|
---|
| 487 | stream << "</IndexedLineSet>" << endl;
|
---|
| 488 | else
|
---|
| 489 | stream << "</IndexedFaceSet>" << endl;
|
---|
| 490 |
|
---|
| 491 | stream << "</Shape>" << endl;
|
---|
| 492 | }
|
---|
| 493 |
|
---|
[1006] | 494 |
|
---|
[162] | 495 | bool
|
---|
| 496 | X3dExporter::ExportBox(const AxisAlignedBox3 &box)
|
---|
| 497 | {
|
---|
| 498 | Mesh *mesh = new Mesh;
|
---|
[547] | 499 | // add 8 vertices of the box
|
---|
[289] | 500 | int index = (int)mesh->mVertices.size();
|
---|
[162] | 501 | for (int i=0; i < 8; i++) {
|
---|
| 502 | Vector3 v;
|
---|
| 503 | box.GetVertex(i, v);
|
---|
| 504 | mesh->mVertices.push_back(v);
|
---|
| 505 | }
|
---|
| 506 |
|
---|
| 507 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
| 508 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
| 509 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
| 510 |
|
---|
| 511 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
| 512 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
| 513 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
| 514 |
|
---|
| 515 | ExportMesh(mesh);
|
---|
| 516 | delete mesh;
|
---|
| 517 | return true;
|
---|
| 518 | }
|
---|
| 519 |
|
---|
[1006] | 520 |
|
---|
[162] | 521 | bool
|
---|
[242] | 522 | X3dExporter::ExportBspTree(const BspTree &tree)
|
---|
[162] | 523 | {
|
---|
[242] | 524 | if (mExportRayDensity)
|
---|
| 525 | {
|
---|
[263] | 526 | return ExportBspTreeRayDensity(tree);
|
---|
[242] | 527 | }
|
---|
| 528 |
|
---|
[264] | 529 | bool savedWireframe = mWireframe;
|
---|
| 530 |
|
---|
| 531 | SetWireframe();
|
---|
| 532 |
|
---|
[396] | 533 | ExportBox(tree.GetBoundingBox());
|
---|
| 534 |
|
---|
[264] | 535 | if (!savedWireframe)
|
---|
| 536 | SetFilled();
|
---|
| 537 |
|
---|
[373] | 538 | // export view cells
|
---|
[482] | 539 | ExportBspLeaves(tree);
|
---|
[289] | 540 |
|
---|
[263] | 541 | return true;
|
---|
[242] | 542 | }
|
---|
| 543 |
|
---|
[418] | 544 |
|
---|
[1197] | 545 | bool X3dExporter::ExportKdTree(const KdTree &tree,
|
---|
| 546 | const bool exportGeometry)
|
---|
[242] | 547 | {
|
---|
| 548 | if (mExportRayDensity) {
|
---|
[191] | 549 | return ExportKdTreeRayDensity(tree);
|
---|
| 550 | }
|
---|
| 551 |
|
---|
[162] | 552 | stack<KdNode *> tStack;
|
---|
| 553 |
|
---|
| 554 | tStack.push(tree.GetRoot());
|
---|
| 555 |
|
---|
| 556 | Mesh *mesh = new Mesh;
|
---|
| 557 |
|
---|
| 558 | while (!tStack.empty()) {
|
---|
| 559 | KdNode *node = tStack.top();
|
---|
| 560 | tStack.pop();
|
---|
| 561 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
| 562 | // add 6 vertices of the box
|
---|
[289] | 563 | int index = (int)mesh->mVertices.size();
|
---|
[162] | 564 | for (int i=0; i < 8; i++) {
|
---|
| 565 | Vector3 v;
|
---|
| 566 | box.GetVertex(i, v);
|
---|
| 567 | mesh->mVertices.push_back(v);
|
---|
| 568 | }
|
---|
| 569 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
| 570 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
| 571 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
| 572 |
|
---|
| 573 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
| 574 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
| 575 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
| 576 |
|
---|
| 577 | if (!node->IsLeaf()) {
|
---|
| 578 | KdInterior *interior = (KdInterior *)node;
|
---|
| 579 | tStack.push(interior->mFront);
|
---|
| 580 | tStack.push(interior->mBack);
|
---|
| 581 | }
|
---|
[1197] | 582 | else if (exportGeometry)
|
---|
| 583 | {
|
---|
| 584 | SetFilled();
|
---|
| 585 | SetForcedMaterial(RandomMaterial());
|
---|
| 586 | ExportGeometry(dynamic_cast<KdLeaf *>(node)->mObjects);
|
---|
| 587 | SetWireframe();
|
---|
| 588 | }
|
---|
[162] | 589 | }
|
---|
| 590 |
|
---|
| 591 | ExportMesh(mesh);
|
---|
| 592 | delete mesh;
|
---|
[1006] | 593 |
|
---|
[162] | 594 | return true;
|
---|
| 595 | }
|
---|
| 596 |
|
---|
| 597 |
|
---|
[191] | 598 | bool
|
---|
[438] | 599 | X3dExporter::ExportVssTree(const VssTree &tree
|
---|
| 600 | )
|
---|
[434] | 601 | {
|
---|
| 602 | stack<VssTreeNode *> tStack;
|
---|
| 603 |
|
---|
| 604 | tStack.push(tree.GetRoot());
|
---|
| 605 |
|
---|
| 606 | Mesh *mesh = new Mesh;
|
---|
| 607 | VssRayContainer rays;
|
---|
| 608 |
|
---|
| 609 | while (!tStack.empty()) {
|
---|
| 610 |
|
---|
| 611 | VssTreeNode *node = tStack.top();
|
---|
| 612 | tStack.pop();
|
---|
| 613 |
|
---|
| 614 |
|
---|
| 615 | if (!node->IsLeaf()) {
|
---|
| 616 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
| 617 | tStack.push(interior->front);
|
---|
| 618 | tStack.push(interior->back);
|
---|
| 619 | } else {
|
---|
| 620 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
| 621 | AxisAlignedBox3 box;
|
---|
| 622 | box = tree.GetBBox(leaf);
|
---|
[860] | 623 | IncludeBoxInMesh(box, *mesh);
|
---|
[434] | 624 |
|
---|
| 625 | if (tree.ValidLeaf(leaf)) {
|
---|
| 626 |
|
---|
| 627 | Vector3 origin = box.Center();
|
---|
| 628 | box = tree.GetDirBBox(leaf);
|
---|
| 629 | VssRay *ray;
|
---|
| 630 |
|
---|
[1004] | 631 | const int indices[][2] = {{0,0}, {0,1}, {1,1}, {1,0}};
|
---|
[434] | 632 | MeshInstance dummy(mesh);
|
---|
| 633 | for (int i=0; i < 4; i++) {
|
---|
| 634 | // Vector3 v = box.GetVertex(indices[i][0], indices[i][1], 0);
|
---|
| 635 | Vector3 v = box.Center();
|
---|
| 636 |
|
---|
| 637 | Vector3 direction = VssRay::GetDirection(v.x, v.y);
|
---|
[438] | 638 | if (Magnitude(direction) > Limits::Small)
|
---|
| 639 | direction.Normalize();
|
---|
| 640 | else
|
---|
| 641 | direction = Vector3(0, 1, 0);
|
---|
[435] | 642 | float k = 100.0f*leaf->GetImportance();
|
---|
[434] | 643 | // get 4 corners of the ray directions
|
---|
| 644 |
|
---|
| 645 | ray = new VssRay(origin, origin + (direction*k), NULL, &dummy);
|
---|
| 646 | rays.push_back(ray);
|
---|
| 647 | }
|
---|
| 648 | }
|
---|
| 649 | }
|
---|
| 650 | }
|
---|
| 651 |
|
---|
| 652 | ExportMesh(mesh);
|
---|
[438] | 653 | ExportRays(rays);
|
---|
| 654 | CLEAR_CONTAINER(rays);
|
---|
[434] | 655 | delete mesh;
|
---|
| 656 | return true;
|
---|
| 657 | }
|
---|
| 658 |
|
---|
| 659 | bool
|
---|
[438] | 660 | X3dExporter::ExportVssTree2(const VssTree &tree,
|
---|
| 661 | const Vector3 direction
|
---|
| 662 | )
|
---|
| 663 | {
|
---|
| 664 | stack<VssTreeNode *> tStack;
|
---|
| 665 |
|
---|
| 666 |
|
---|
| 667 | mUseForcedMaterial = true;
|
---|
| 668 |
|
---|
| 669 | Vector3 dirParam;
|
---|
| 670 |
|
---|
| 671 | dirParam.x = VssRay::GetDirParam(0, Normalize(direction));
|
---|
| 672 | dirParam.y = VssRay::GetDirParam(1, Normalize(direction));
|
---|
| 673 |
|
---|
| 674 | float maxImportance = 0.0f;
|
---|
| 675 | tStack.push(tree.GetRoot());
|
---|
| 676 | while (!tStack.empty()) {
|
---|
| 677 |
|
---|
| 678 | VssTreeNode *node = tStack.top();
|
---|
| 679 | tStack.pop();
|
---|
| 680 |
|
---|
| 681 | if (!node->IsLeaf()) {
|
---|
| 682 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
| 683 | if (interior->axis < 3) {
|
---|
| 684 | tStack.push(interior->front);
|
---|
| 685 | tStack.push(interior->back);
|
---|
| 686 | } else {
|
---|
| 687 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 688 | tStack.push(interior->back);
|
---|
| 689 | else
|
---|
| 690 | tStack.push(interior->front);
|
---|
| 691 | }
|
---|
| 692 | } else {
|
---|
| 693 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
| 694 | if (tree.ValidLeaf(leaf)) {
|
---|
| 695 | float i = leaf->GetImportance();
|
---|
| 696 | if (i > maxImportance)
|
---|
| 697 | maxImportance = i;
|
---|
| 698 | }
|
---|
| 699 | }
|
---|
| 700 | }
|
---|
| 701 |
|
---|
| 702 | tStack.push(tree.GetRoot());
|
---|
| 703 | while (!tStack.empty()) {
|
---|
| 704 |
|
---|
| 705 | VssTreeNode *node = tStack.top();
|
---|
| 706 | tStack.pop();
|
---|
| 707 |
|
---|
| 708 |
|
---|
| 709 | if (!node->IsLeaf()) {
|
---|
| 710 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
| 711 | if (interior->axis < 3) {
|
---|
| 712 | tStack.push(interior->front);
|
---|
| 713 | tStack.push(interior->back);
|
---|
| 714 | } else {
|
---|
| 715 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 716 | tStack.push(interior->back);
|
---|
| 717 | else
|
---|
| 718 | tStack.push(interior->front);
|
---|
| 719 | }
|
---|
| 720 | } else {
|
---|
| 721 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
| 722 | if (tree.ValidLeaf(leaf)) {
|
---|
| 723 | AxisAlignedBox3 box;
|
---|
| 724 | box = tree.GetBBox(leaf);
|
---|
| 725 | Mesh *mesh = new Mesh;
|
---|
[860] | 726 | IncludeBoxInMesh(box, *mesh);
|
---|
[438] | 727 |
|
---|
| 728 | // get 4 corners of the ray directions
|
---|
| 729 |
|
---|
| 730 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 731 | mForcedMaterial.mDiffuseColor.r = leaf->GetImportance()/maxImportance;
|
---|
| 732 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 733 |
|
---|
| 734 | ExportMesh(mesh);
|
---|
| 735 | delete mesh;
|
---|
| 736 | }
|
---|
| 737 | }
|
---|
| 738 | }
|
---|
| 739 |
|
---|
| 740 | mUseForcedMaterial = false;
|
---|
| 741 |
|
---|
| 742 | return true;
|
---|
| 743 | }
|
---|
| 744 |
|
---|
| 745 | bool
|
---|
[263] | 746 | X3dExporter::ExportBspTreeRayDensity(const BspTree &tree)
|
---|
| 747 | {
|
---|
[311] | 748 | stack<BspNode *> tStack;
|
---|
| 749 |
|
---|
| 750 | tStack.push(tree.GetRoot());
|
---|
| 751 |
|
---|
| 752 | bool fm = mUseForcedMaterial;
|
---|
| 753 |
|
---|
| 754 | mUseForcedMaterial = true;
|
---|
| 755 |
|
---|
| 756 | mForcedMaterial.mDiffuseColor.g = 1.0f;
|
---|
| 757 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 758 |
|
---|
| 759 | while (!tStack.empty())
|
---|
| 760 | {
|
---|
| 761 | BspNode *node = tStack.top();
|
---|
| 762 | tStack.pop();
|
---|
| 763 |
|
---|
| 764 | if (node->IsLeaf())
|
---|
| 765 | {
|
---|
| 766 | ViewCell *vc = dynamic_cast<BspLeaf *>(node)->GetViewCell();
|
---|
[580] | 767 | #if 0
|
---|
[311] | 768 | // set the mesh material according to the ray density
|
---|
| 769 | if (vc->mPassingRays.mRays)
|
---|
| 770 | {
|
---|
[313] | 771 | float importance =
|
---|
[438] | 772 | vc->mPassingRays.mContributions / (float)vc->mPassingRays.mRays;
|
---|
| 773 |
|
---|
[311] | 774 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
| 775 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 776 | ExportViewCell(vc);
|
---|
[580] | 777 |
|
---|
[438] | 778 | }
|
---|
[580] | 779 | #endif
|
---|
| 780 | }
|
---|
| 781 | else
|
---|
[311] | 782 | {
|
---|
| 783 | BspInterior *interior = (BspInterior *)node;
|
---|
| 784 | tStack.push(interior->GetFront());
|
---|
| 785 | tStack.push(interior->GetBack());
|
---|
| 786 | }
|
---|
| 787 | }
|
---|
| 788 |
|
---|
| 789 | // restore the state of forced material
|
---|
| 790 | mUseForcedMaterial = fm;
|
---|
| 791 |
|
---|
[263] | 792 | return true;
|
---|
| 793 | }
|
---|
| 794 |
|
---|
| 795 | bool
|
---|
[191] | 796 | X3dExporter::ExportKdTreeRayDensity(const KdTree &tree)
|
---|
| 797 | {
|
---|
| 798 | stack<KdNode *> tStack;
|
---|
| 799 |
|
---|
| 800 | tStack.push(tree.GetRoot());
|
---|
| 801 |
|
---|
| 802 | bool fm = mUseForcedMaterial;
|
---|
| 803 | mUseForcedMaterial = true;
|
---|
| 804 | mForcedMaterial.mDiffuseColor.g = 1.0f;
|
---|
| 805 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 806 | while (!tStack.empty()) {
|
---|
| 807 | KdNode *node = tStack.top();
|
---|
| 808 | tStack.pop();
|
---|
| 809 | if (node->IsLeaf()) {
|
---|
| 810 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
| 811 | Mesh *mesh = new Mesh;
|
---|
| 812 |
|
---|
| 813 | // add 6 vertices of the box
|
---|
[289] | 814 | int index = (int)mesh->mVertices.size();
|
---|
[191] | 815 | for (int i=0; i < 8; i++) {
|
---|
| 816 | Vector3 v;
|
---|
| 817 | box.GetVertex(i, v);
|
---|
| 818 | mesh->mVertices.push_back(v);
|
---|
| 819 | }
|
---|
| 820 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
| 821 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
| 822 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
| 823 |
|
---|
| 824 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
| 825 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
| 826 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
| 827 |
|
---|
| 828 |
|
---|
| 829 | // set the mesh material according to the ray density
|
---|
| 830 | KdLeaf *leaf = (KdLeaf *) node;
|
---|
| 831 | if (leaf->mPassingRays.mRays) {
|
---|
| 832 | float importance = leaf->mPassingRays.mContributions/(float)leaf->mPassingRays.mRays;
|
---|
| 833 | // float importance = leaf->mPassingRays.mContributions/1000.0f;
|
---|
| 834 | // float importance = leaf->mPassingRays.mRays/1000.0f;
|
---|
| 835 | ///(float)leaf->mPassingRays.mRays;
|
---|
| 836 | // mForcedMaterial.mDiffuseColor.r = log10(leaf->mPassingRays.mRays)/3.0f;
|
---|
| 837 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
| 838 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 839 | ExportMesh(mesh);
|
---|
| 840 | }
|
---|
| 841 | delete mesh;
|
---|
| 842 | } else {
|
---|
| 843 | KdInterior *interior = (KdInterior *)node;
|
---|
| 844 | tStack.push(interior->mFront);
|
---|
| 845 | tStack.push(interior->mBack);
|
---|
| 846 | }
|
---|
| 847 | }
|
---|
| 848 | // restore the state of forced material
|
---|
| 849 | mUseForcedMaterial = fm;
|
---|
| 850 | return true;
|
---|
| 851 | }
|
---|
[312] | 852 |
|
---|
[329] | 853 |
|
---|
[312] | 854 | struct BspSplitData
|
---|
| 855 | {
|
---|
[372] | 856 | /// the current node
|
---|
| 857 | BspNode *mNode;
|
---|
| 858 |
|
---|
[449] | 859 | vector<Plane3> mPlanes;
|
---|
[372] | 860 | vector<bool> mSides;
|
---|
| 861 | bool mIsFront;
|
---|
[383] | 862 | int mDepth;
|
---|
[372] | 863 |
|
---|
[313] | 864 | BspSplitData(BspNode *node):
|
---|
[383] | 865 | mNode(node), mIsFront(false), mDepth(0)
|
---|
[372] | 866 | {};
|
---|
[383] | 867 |
|
---|
[312] | 868 | BspSplitData(BspNode *node,
|
---|
[449] | 869 | vector<Plane3> planes,
|
---|
[329] | 870 | vector<bool> sides,
|
---|
[383] | 871 | const bool isFront,
|
---|
| 872 | const int depth):
|
---|
| 873 | mNode(node), mPlanes(planes), mSides(sides),
|
---|
| 874 | mIsFront(isFront), mDepth(depth)
|
---|
[312] | 875 | {};
|
---|
| 876 | };
|
---|
| 877 |
|
---|
[383] | 878 | void X3dExporter::ExportLeavesGeometry(const BspTree &tree,
|
---|
| 879 | const vector<BspLeaf *> &leaves)
|
---|
[360] | 880 | {
|
---|
| 881 | vector<BspLeaf *>::const_iterator it, it_end = leaves.end();
|
---|
| 882 |
|
---|
| 883 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 884 | {
|
---|
[503] | 885 | BspNodeGeometry geom;
|
---|
| 886 | tree.ConstructGeometry(*it, geom);
|
---|
[360] | 887 |
|
---|
[678] | 888 | ExportPolygons(geom.GetPolys());
|
---|
[360] | 889 | }
|
---|
| 890 | }
|
---|
| 891 |
|
---|
[449] | 892 | void X3dExporter::ExportBspNodeSplits(BspNode *root,
|
---|
| 893 | const AxisAlignedBox3 &box,
|
---|
| 894 | const bool exportDepth,
|
---|
| 895 | const bool epsilon)
|
---|
[372] | 896 | {
|
---|
| 897 | std::stack<BspSplitData> tStack;
|
---|
| 898 |
|
---|
[449] | 899 | BspSplitData tData(root);
|
---|
[372] | 900 | tStack.push(tData);
|
---|
| 901 |
|
---|
| 902 | PolygonContainer polys;
|
---|
[383] | 903 | vector <int> depths;
|
---|
[372] | 904 |
|
---|
[383] | 905 | int maxDepth = 0;
|
---|
| 906 |
|
---|
[372] | 907 | while (!tStack.empty())
|
---|
| 908 | {
|
---|
| 909 | // filter polygons donw the tree
|
---|
| 910 | BspSplitData tData = tStack.top();
|
---|
| 911 | tStack.pop();
|
---|
| 912 |
|
---|
[383] | 913 | if (tData.mNode->IsLeaf())
|
---|
[372] | 914 | {
|
---|
[383] | 915 | if (tData.mDepth > maxDepth)
|
---|
| 916 | maxDepth = tData.mDepth;
|
---|
| 917 | }
|
---|
| 918 | else
|
---|
| 919 | {
|
---|
[372] | 920 | BspInterior *interior = dynamic_cast<BspInterior *>(tData.mNode);
|
---|
| 921 |
|
---|
[383] | 922 | // add current side of split plane
|
---|
[449] | 923 | if (tData.mNode != root)
|
---|
[383] | 924 | tData.mSides.push_back(tData.mIsFront);
|
---|
[372] | 925 |
|
---|
| 926 | // bounded plane is added to the polygons
|
---|
[383] | 927 | Polygon3 *planePoly =
|
---|
[449] | 928 | box.CrossSection(interior->GetPlane());
|
---|
[372] | 929 |
|
---|
| 930 | // do all the splits with the previous planes
|
---|
| 931 | for (int i = 0; i < (int)tData.mPlanes.size(); ++ i)
|
---|
[436] | 932 | {
|
---|
[449] | 933 | if (planePoly->ClassifyPlane(tData.mPlanes[i], epsilon)
|
---|
| 934 | == Polygon3::SPLIT)
|
---|
[372] | 935 | {
|
---|
| 936 | Polygon3 *frontPoly = new Polygon3();
|
---|
| 937 | Polygon3 *backPoly = new Polygon3();
|
---|
| 938 |
|
---|
[449] | 939 | planePoly->Split(tData.mPlanes[i],
|
---|
| 940 | *frontPoly,
|
---|
| 941 | *backPoly,
|
---|
| 942 | epsilon);
|
---|
| 943 |
|
---|
[372] | 944 | DEL_PTR(planePoly);
|
---|
| 945 |
|
---|
| 946 | if(tData.mSides[i] == true)
|
---|
| 947 | {
|
---|
| 948 | planePoly = frontPoly;
|
---|
| 949 | DEL_PTR(backPoly);
|
---|
| 950 | }
|
---|
| 951 | else
|
---|
| 952 | {
|
---|
| 953 | planePoly = backPoly;
|
---|
| 954 | DEL_PTR(frontPoly);
|
---|
| 955 | }
|
---|
| 956 | }
|
---|
| 957 | }
|
---|
| 958 |
|
---|
| 959 | tData.mPlanes.push_back(interior->GetPlane()); // add plane to split planes
|
---|
| 960 |
|
---|
[449] | 961 | if (planePoly->Valid(epsilon))
|
---|
[383] | 962 | {
|
---|
[372] | 963 | polys.push_back(planePoly);
|
---|
[383] | 964 | depths.push_back(tData.mDepth);
|
---|
| 965 | }
|
---|
[372] | 966 | else
|
---|
| 967 | DEL_PTR(planePoly);
|
---|
| 968 |
|
---|
| 969 | // push the children on the stack
|
---|
[383] | 970 | tStack.push(BspSplitData(interior->GetFront(), tData.mPlanes,
|
---|
| 971 | tData.mSides, true, tData.mDepth + 1));
|
---|
| 972 | tStack.push(BspSplitData(interior->GetBack(), tData.mPlanes,
|
---|
| 973 | tData.mSides, false, tData.mDepth + 1));
|
---|
[372] | 974 | }
|
---|
[383] | 975 | }
|
---|
| 976 |
|
---|
| 977 | if (maxDepth > 0)
|
---|
| 978 | {
|
---|
| 979 | mUseForcedMaterial = true;
|
---|
| 980 |
|
---|
| 981 | for (int i = 0; i < (int)polys.size(); ++ i)
|
---|
| 982 | {
|
---|
| 983 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 984 | float importance = (float)depths[i]/ (float)maxDepth;
|
---|
| 985 |
|
---|
| 986 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
| 987 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 988 |
|
---|
| 989 | ExportPolygon(polys[i]);
|
---|
| 990 | }
|
---|
| 991 | }
|
---|
| 992 | else
|
---|
| 993 | {
|
---|
| 994 | ExportPolygons(polys);
|
---|
| 995 | }
|
---|
| 996 |
|
---|
[372] | 997 | CLEAR_CONTAINER(polys);
|
---|
| 998 | }
|
---|
| 999 |
|
---|
[1545] | 1000 |
|
---|
[449] | 1001 | void X3dExporter::ExportBspSplits(const BspTree &tree,
|
---|
| 1002 | const bool exportDepth)
|
---|
| 1003 | {
|
---|
| 1004 | ExportBspNodeSplits(tree.GetRoot(),
|
---|
| 1005 | tree.GetBoundingBox(),
|
---|
| 1006 | exportDepth,
|
---|
| 1007 | tree.GetEpsilon());
|
---|
| 1008 | }
|
---|
| 1009 |
|
---|
[1545] | 1010 |
|
---|
[449] | 1011 | void X3dExporter::ExportBspSplits(const VspBspTree &tree,
|
---|
| 1012 | const bool exportDepth)
|
---|
| 1013 | {
|
---|
| 1014 | ExportBspNodeSplits(tree.GetRoot(),
|
---|
| 1015 | tree.GetBoundingBox(),
|
---|
| 1016 | exportDepth,
|
---|
| 1017 | tree.GetEpsilon());
|
---|
| 1018 | }
|
---|
| 1019 |
|
---|
[1545] | 1020 |
|
---|
[372] | 1021 | void X3dExporter::ExportBspSplitPlanes(const BspTree &tree)
|
---|
| 1022 | {
|
---|
| 1023 | std::stack<BspNode *> tStack;
|
---|
| 1024 |
|
---|
| 1025 | tStack.push(tree.GetRoot());
|
---|
| 1026 |
|
---|
| 1027 | PolygonContainer polys;
|
---|
| 1028 |
|
---|
| 1029 | while (!tStack.empty())
|
---|
| 1030 | {
|
---|
| 1031 | // filter polygons donw the tree
|
---|
| 1032 | BspNode *node = tStack.top();
|
---|
| 1033 | tStack.pop();
|
---|
| 1034 |
|
---|
| 1035 | if (!node->IsLeaf())
|
---|
| 1036 | {
|
---|
| 1037 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
|
---|
| 1038 |
|
---|
| 1039 | // bounded plane is added to the polygons
|
---|
[449] | 1040 | polys.push_back(tree.GetBoundingBox().CrossSection(interior->GetPlane()));
|
---|
[372] | 1041 |
|
---|
| 1042 | // push the children on the stack
|
---|
| 1043 | tStack.push(interior->GetBack());
|
---|
| 1044 | tStack.push(interior->GetFront());
|
---|
| 1045 | }
|
---|
| 1046 | }
|
---|
| 1047 |
|
---|
| 1048 | ExportPolygons(polys);
|
---|
| 1049 | CLEAR_CONTAINER(polys);
|
---|
| 1050 | }
|
---|
[440] | 1051 |
|
---|
| 1052 |
|
---|
[450] | 1053 | bool
|
---|
| 1054 | X3dExporter::ExportRssTree2(const RssTree &tree,
|
---|
| 1055 | const Vector3 direction
|
---|
| 1056 | )
|
---|
| 1057 | {
|
---|
| 1058 | stack<RssTreeNode *> tStack;
|
---|
| 1059 |
|
---|
| 1060 |
|
---|
| 1061 | mUseForcedMaterial = true;
|
---|
| 1062 |
|
---|
| 1063 | Vector3 dirParam;
|
---|
| 1064 |
|
---|
| 1065 | dirParam.x = VssRay::GetDirParam(0, Normalize(direction));
|
---|
| 1066 | dirParam.y = VssRay::GetDirParam(1, Normalize(direction));
|
---|
| 1067 |
|
---|
| 1068 | float maxImportance = 0.0f;
|
---|
| 1069 | tStack.push(tree.GetRoot());
|
---|
| 1070 | while (!tStack.empty()) {
|
---|
| 1071 |
|
---|
| 1072 | RssTreeNode *node = tStack.top();
|
---|
| 1073 | tStack.pop();
|
---|
| 1074 |
|
---|
| 1075 | if (!node->IsLeaf()) {
|
---|
| 1076 | RssTreeInterior *interior = (RssTreeInterior *)node;
|
---|
| 1077 | if (interior->axis < 3) {
|
---|
| 1078 | tStack.push(interior->front);
|
---|
| 1079 | tStack.push(interior->back);
|
---|
| 1080 | } else {
|
---|
| 1081 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 1082 | tStack.push(interior->back);
|
---|
| 1083 | else
|
---|
| 1084 | tStack.push(interior->front);
|
---|
| 1085 | }
|
---|
| 1086 | } else {
|
---|
| 1087 | RssTreeLeaf *leaf = (RssTreeLeaf *)node;
|
---|
| 1088 | if (tree.ValidLeaf(leaf)) {
|
---|
| 1089 | float i = leaf->GetImportance();
|
---|
| 1090 | if (i > maxImportance)
|
---|
| 1091 | maxImportance = i;
|
---|
| 1092 | }
|
---|
| 1093 | }
|
---|
| 1094 | }
|
---|
| 1095 |
|
---|
| 1096 | tStack.push(tree.GetRoot());
|
---|
| 1097 | while (!tStack.empty()) {
|
---|
| 1098 |
|
---|
| 1099 | RssTreeNode *node = tStack.top();
|
---|
| 1100 | tStack.pop();
|
---|
| 1101 |
|
---|
| 1102 |
|
---|
| 1103 | if (!node->IsLeaf()) {
|
---|
| 1104 | RssTreeInterior *interior = (RssTreeInterior *)node;
|
---|
| 1105 | if (interior->axis < 3) {
|
---|
| 1106 | tStack.push(interior->front);
|
---|
| 1107 | tStack.push(interior->back);
|
---|
| 1108 | } else {
|
---|
| 1109 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 1110 | tStack.push(interior->back);
|
---|
| 1111 | else
|
---|
| 1112 | tStack.push(interior->front);
|
---|
| 1113 | }
|
---|
| 1114 | } else {
|
---|
| 1115 | RssTreeLeaf *leaf = (RssTreeLeaf *)node;
|
---|
| 1116 | if (tree.ValidLeaf(leaf)) {
|
---|
| 1117 | AxisAlignedBox3 box;
|
---|
| 1118 | box = tree.GetShrankedBBox(leaf);
|
---|
| 1119 | Mesh *mesh = new Mesh;
|
---|
[860] | 1120 | IncludeBoxInMesh(box, *mesh);
|
---|
[450] | 1121 |
|
---|
| 1122 | // get 4 corners of the ray directions
|
---|
| 1123 |
|
---|
| 1124 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 1125 | mForcedMaterial.mDiffuseColor.r = leaf->GetImportance()/maxImportance;
|
---|
| 1126 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 1127 |
|
---|
| 1128 | ExportMesh(mesh);
|
---|
| 1129 | delete mesh;
|
---|
| 1130 | }
|
---|
| 1131 | }
|
---|
| 1132 | }
|
---|
| 1133 |
|
---|
| 1134 | mUseForcedMaterial = false;
|
---|
| 1135 |
|
---|
| 1136 | return true;
|
---|
| 1137 | }
|
---|
[459] | 1138 |
|
---|
| 1139 |
|
---|
| 1140 | void
|
---|
| 1141 | X3dExporter::ExportViewpoint(const Vector3 &point,
|
---|
| 1142 | const Vector3 &direction)
|
---|
| 1143 | {
|
---|
| 1144 | stream<<"<Viewpoint "<<endl;
|
---|
| 1145 |
|
---|
| 1146 | stream<<"position=\""<<point.x<<" "<<point.y<<" "<<point.z<<"\""<<endl;
|
---|
| 1147 | // stream<<"orientation "<<direction.x<<direction.y<<direction.z<<endl;
|
---|
| 1148 |
|
---|
| 1149 | stream<<">"<<endl;
|
---|
| 1150 | stream<<"</Viewpoint>"<<endl;
|
---|
[535] | 1151 |
|
---|
[459] | 1152 | }
|
---|
[535] | 1153 |
|
---|
| 1154 |
|
---|
| 1155 |
|
---|
| 1156 | void X3dExporter::ExportBeam(const Beam &beam, const AxisAlignedBox3 &box)
|
---|
| 1157 | {
|
---|
[540] | 1158 | if (beam.mMesh)
|
---|
| 1159 | {
|
---|
| 1160 | ExportMesh(beam.mMesh);
|
---|
| 1161 | return;
|
---|
| 1162 | }
|
---|
| 1163 |
|
---|
[535] | 1164 | PolygonContainer polys;
|
---|
| 1165 | //ExportBox(beam.mBox);
|
---|
| 1166 |
|
---|
[540] | 1167 | const float zfar = 2.0f * Magnitude(box.Diagonal());
|
---|
| 1168 |
|
---|
| 1169 | // box should not never remove part of beam polygons
|
---|
[564] | 1170 | Vector3 bmin = beam.mBox.Min() - Vector3(zfar * 2.0f);
|
---|
| 1171 | Vector3 bmax = beam.mBox.Max() + Vector3(zfar * 2.0f);
|
---|
[540] | 1172 |
|
---|
| 1173 | AxisAlignedBox3 bbox(bmin, bmax);
|
---|
| 1174 | Plane3 fplane;
|
---|
| 1175 | fplane.mNormal = -beam.mPlanes[0].mNormal;
|
---|
| 1176 |
|
---|
| 1177 | fplane.mD = beam.mPlanes[0].mD - zfar - 1.0f;
|
---|
| 1178 |
|
---|
| 1179 | vector<Plane3> planes = beam.mPlanes;
|
---|
| 1180 | planes.push_back(fplane);
|
---|
| 1181 |
|
---|
| 1182 | for (int i = 0; i < planes.size(); ++ i)
|
---|
[535] | 1183 | {
|
---|
[540] | 1184 | Polygon3 *poly = bbox.CrossSection(planes[i]);
|
---|
| 1185 | if (!poly->Valid(Limits::Small))
|
---|
| 1186 | DEL_PTR(poly);
|
---|
[535] | 1187 |
|
---|
[540] | 1188 | for (int j = 0; (j < planes.size()) && poly; ++ j)
|
---|
[535] | 1189 | {
|
---|
| 1190 | if (j != i)
|
---|
| 1191 | {
|
---|
| 1192 | Polygon3 *front = new Polygon3();
|
---|
| 1193 | Polygon3 *back = new Polygon3();
|
---|
| 1194 |
|
---|
[540] | 1195 | poly->Split(planes[j], *front, *back, Limits::Small);
|
---|
[535] | 1196 | DEL_PTR(poly);
|
---|
| 1197 | DEL_PTR(front);
|
---|
| 1198 |
|
---|
| 1199 | if (!back->Valid(Limits::Small))
|
---|
| 1200 | DEL_PTR(back);
|
---|
| 1201 | poly = back;
|
---|
| 1202 | }
|
---|
| 1203 | }
|
---|
| 1204 | if (poly)
|
---|
| 1205 | polys.push_back(poly);
|
---|
| 1206 | }
|
---|
| 1207 |
|
---|
| 1208 | ExportPolygons(polys);
|
---|
| 1209 | CLEAR_CONTAINER(polys);
|
---|
[685] | 1210 | }
|
---|
[860] | 1211 |
|
---|
[1106] | 1212 |
|
---|
| 1213 | }
|
---|
| 1214 |
|
---|