[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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| 29 | X3dExporter::~X3dExporter()
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| 30 | {
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| 31 | stream<<"</Scene>"<<endl;
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| 32 | stream<<"</X3D>"<<endl;
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| 33 | stream.close();
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| 34 | }
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| 35 |
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[176] | 36 |
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[1112] | 37 |
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[162] | 38 | bool
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[386] | 39 | X3dExporter::ExportRays(const RayContainer &rays,
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[444] | 40 | const float length,
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| 41 | const RgbColor &color)
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[162] | 42 | {
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[386] | 43 | RayContainer::const_iterator ri = rays.begin();
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| 44 |
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[162] | 45 | stream<<"<Shape>"<<endl;
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[176] | 46 | stream<<"<Appearance>"<<endl;
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[427] | 47 | stream<<"<Material diffuseColor=\""<<color.r<<" "<<color.g<<" "<<color.b<<
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[176] | 48 | "\" />"<<endl;
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| 49 | stream<<"</Appearance>"<<endl;
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| 50 |
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[209] | 51 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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[162] | 52 |
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| 53 | int index = 0;
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| 54 | for (; ri != rays.end(); ri++) {
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| 55 | stream<<index<<" "<<index+1<<" -1\n";
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| 56 | index+=2;
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| 57 | }
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| 58 |
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| 59 | stream<<"\" >"<<endl;
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| 60 |
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| 61 | stream<<"<Coordinate point=\""<<endl;
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| 62 |
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| 63 | ri = rays.begin();
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| 64 | for (; ri != rays.end(); ri++) {
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[386] | 65 | Vector3 a = (*ri)->GetLoc();
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[162] | 66 |
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[176] | 67 | Vector3 b;
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| 68 | if (length < 0)
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[386] | 69 | b = (*ri)->GetLoc() - length*(*ri)->GetDir();
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[176] | 70 | else
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[386] | 71 | if ((*ri)->intersections.size()==0)
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[492] | 72 | b = (*ri)->GetLoc() + length*(*ri)->GetDir();
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[176] | 73 | else
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[492] | 74 | b = (*ri)->Extrap((*ri)->intersections[0].mT);
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[176] | 75 |
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[162] | 76 | stream<<a.x<<" "<<a.y<<" "<<a.z<<" ,";
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| 77 | stream<<b.x<<" "<<b.y<<" "<<b.z<<" ,\n";
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| 78 | }
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| 79 |
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| 80 | stream<<"\" >"<<endl;
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| 81 | stream<<"</Coordinate>"<<endl;
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| 82 | stream<<"</IndexedLineSet>"<<endl;
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| 83 | stream<<"</Shape>"<<endl;
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[386] | 84 |
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[162] | 85 | return true;
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| 86 | }
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| 87 |
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[1112] | 88 |
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[349] | 89 | bool
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[1112] | 90 | X3dExporter::ExportRaySets(const vector<VssRayContainer> &rays,
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| 91 | const RgbColor &color)
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| 92 | {
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| 93 | vector<VssRayContainer>::const_iterator ri = rays.begin();
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| 94 |
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| 95 | stream<<"<Switch DEF=\"RAYS\" whichChoice=\"0\" >"<<endl;
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| 96 |
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| 97 | bool result = false;
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| 98 |
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| 99 | for (; ri != rays.end(); ri++) {
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| 100 | result = ExportRays(*ri, color);
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| 101 | if (!result) {
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| 102 | cerr<<"Error while exporting rays!\n";
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| 103 | break;
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| 104 | }
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| 105 | }
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| 106 |
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| 107 | stream<<"</Switch>"<<endl;
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| 108 |
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| 109 | stream<<"<TimeSensor DEF='TIMER' loop='true' startTime='0' stopTime='0' cycleInterval='5'>"
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| 110 | <<endl;
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| 111 | stream<<"</TimeSensor>"<<endl;
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| 112 |
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| 113 | stream<<"<IntegerSequencer DEF='SEQ'"<<endl;
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| 114 | stream<<"key='0.0 ";
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| 115 | int i;
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[1178] | 116 | int size = (int)rays.size() + 2;
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[1112] | 117 | for (i=1; i < size; i++) {
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| 118 | stream<<i/(float)(size-1)<<" ";
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| 119 | }
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| 120 | stream<<"'\n";
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| 121 |
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| 122 | stream<<"keyValue='";
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| 123 | for (i=0; i < size; i++) {
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| 124 | stream<<i<<" ";
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| 125 | }
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| 126 | stream<<"'>\n";
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| 127 |
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| 128 | stream<<"</IntegerSequencer>"<<endl;
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| 129 |
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| 130 | stream<<
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| 131 | "<ROUTE fromNode='TIMER' fromField='fraction_changed' toNode='SEQ' toField='set_fraction'>";
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| 132 | stream<<"</ROUTE>"<<endl;
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| 133 |
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| 134 | stream<<"<ROUTE fromNode='SEQ' fromField='value_changed' toNode='RAYS' toField='set_whichChoice'>";
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| 135 |
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| 136 | stream<<"</ROUTE>"<<endl;
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| 137 |
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| 138 | return result;
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| 139 | }
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| 140 |
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| 141 | bool
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[386] | 142 | X3dExporter::ExportRays(const VssRayContainer &rays,
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[444] | 143 | const RgbColor &color)
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[349] | 144 | {
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[386] | 145 | VssRayContainer::const_iterator ri = rays.begin();
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[349] | 146 |
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| 147 | stream<<"<Shape>"<<endl;
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| 148 | stream<<"<Appearance>"<<endl;
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[427] | 149 | stream<<"<Material diffuseColor=\""<<color.r<<" "<<color.g<<" "<<color.b<<
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[349] | 150 | "\" />"<<endl;
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| 151 | stream<<"</Appearance>"<<endl;
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| 152 |
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| 153 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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| 154 |
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| 155 | int index = 0;
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| 156 | for (; ri != rays.end(); ri++) {
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| 157 | stream<<index<<" "<<index+1<<" -1\n";
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| 158 | index+=2;
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| 159 | }
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| 160 |
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| 161 | stream<<"\" >"<<endl;
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| 162 |
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| 163 | stream<<"<Coordinate point=\""<<endl;
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| 164 |
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| 165 | ri = rays.begin();
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| 166 | for (; ri != rays.end(); ri++) {
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[444] | 167 | const Vector3 a = (*ri)->GetOrigin();
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[483] | 168 | //const Vector3 b = (*ri)->mTerminationObject ? (*ri)->GetTermination() : a + 1000 * Normalize((*ri)->GetDir());
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| 169 | const Vector3 b = (*ri)->GetTermination(); // matt: change again!!
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| 170 |
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[349] | 171 | stream<<a.x<<" "<<a.y<<" "<<a.z<<" ,";
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[444] | 172 | stream<<b.x<<" "<<b.y<<" "<<b.z<<" ,\n";
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[349] | 173 | }
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| 174 |
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| 175 | stream<<"\" >"<<endl;
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| 176 | stream<<"</Coordinate>"<<endl;
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| 177 | stream<<"</IndexedLineSet>"<<endl;
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| 178 | stream<<"</Shape>"<<endl;
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[386] | 179 |
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[349] | 180 | return true;
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| 181 | }
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| 182 |
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[162] | 183 | void
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| 184 | X3dExporter::ExportSceneNode(SceneGraphNode *node)
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| 185 | {
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| 186 | stream<<"<Group>"<<endl;
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| 187 |
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| 188 | SceneGraphNodeContainer::iterator ni = node->mChildren.begin();
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| 189 | for (; ni != node->mChildren.end(); ni++)
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| 190 | ExportSceneNode(*ni);
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| 191 |
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| 192 |
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[176] | 193 | ObjectContainer::const_iterator mi = node->mGeometry.begin();
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[162] | 194 | for (; mi != node->mGeometry.end(); mi++) {
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| 195 | // export the transform...
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[176] | 196 | ExportIntersectable(*mi);
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[162] | 197 | }
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| 198 |
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| 199 | stream<<"</Group>"<<endl;
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| 200 |
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| 201 | }
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[176] | 202 | void
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| 203 | X3dExporter::ExportIntersectable(Intersectable *object)
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| 204 | {
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[1001] | 205 | switch (object->Type())
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| 206 | {
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| 207 | case Intersectable::MESH_INSTANCE:
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| 208 | ExportMeshInstance((MeshInstance *)object);
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| 209 | break;
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| 210 | case Intersectable::TRANSFORMED_MESH_INSTANCE:
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| 211 | ExportTransformedMeshInstance(dynamic_cast<TransformedMeshInstance *>(object));
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| 212 | break;
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| 213 | case Intersectable::VIEW_CELL:
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| 214 | ExportViewCell((ViewCell *)object);
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| 215 | break;
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| 216 | default:
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| 217 | cerr << "Sorry the export for object not yet defined" << endl;
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| 218 | break;
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| 219 | }
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[176] | 220 | }
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[162] | 221 |
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[694] | 222 |
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[162] | 223 | void
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[176] | 224 | X3dExporter::ExportMeshInstance(MeshInstance *object)
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| 225 | {
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| 226 | // $$JB$$
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[312] | 227 | // in the future check whether the mesh was not already exported
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[176] | 228 | // and use a reference to the that mesh instead
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| 229 | ExportMesh(object->GetMesh());
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| 230 | }
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| 231 |
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[694] | 232 |
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[1001] | 233 | void
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| 234 | X3dExporter::ExportTransformedMeshInstance(TransformedMeshInstance *mi)
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| 235 | {
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| 236 | Mesh mesh(*mi->GetMesh());
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| 237 |
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| 238 | Matrix4x4 m;
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| 239 | mi->GetWorldTransform(m);
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| 240 | mesh.ApplyTransformation(m);
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| 241 |
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| 242 | ExportMesh(&mesh);
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| 243 | }
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| 244 |
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| 245 |
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[313] | 246 | void
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| 247 | X3dExporter::ExportViewCells(const ViewCellContainer &viewCells)
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[261] | 248 | {
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[313] | 249 | ViewCellContainer::const_iterator it, it_end = viewCells.end();
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[261] | 250 |
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[313] | 251 | for (it = viewCells.begin(); it != it_end; ++ it)
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[261] | 252 | ExportViewCell(*it);
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| 253 | }
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[313] | 254 |
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[1001] | 255 |
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[373] | 256 | void
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[396] | 257 | X3dExporter::ExportBspLeaves(const BspTree &tree, const int maxPvs)
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[373] | 258 | {
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[396] | 259 | stack<pair<BspNode *, BspNodeGeometry *> > tStack;
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| 260 | ViewCell::NewMail();
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[373] | 261 |
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[396] | 262 | BspNodeGeometry *geom = new BspNodeGeometry();
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| 263 | tree.ConstructGeometry(tree.GetRoot(), *geom);
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[373] | 264 |
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[396] | 265 | tStack.push(pair<BspNode *, BspNodeGeometry *>(tree.GetRoot(), geom));
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| 266 |
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[1020] | 267 | if (maxPvs)
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[396] | 268 | mUseForcedMaterial = true;
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| 269 |
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| 270 | while (!tStack.empty())
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[373] | 271 | {
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[396] | 272 | BspNode *node = tStack.top().first;
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| 273 | BspNodeGeometry *cell = tStack.top().second;
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| 274 | tStack.pop();
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| 275 |
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| 276 | if (!node->IsLeaf())
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| 277 | {
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| 278 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
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| 279 |
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| 280 | BspNodeGeometry *front = new BspNodeGeometry();
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| 281 | BspNodeGeometry *back = new BspNodeGeometry();
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| 282 |
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[449] | 283 | cell->SplitGeometry(*front,
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| 284 | *back,
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| 285 | interior->GetPlane(),
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| 286 | tree.GetBoundingBox(),
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| 287 | tree.GetEpsilon());
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[396] | 288 |
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| 289 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetFront(), front));
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| 290 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetBack(), back));
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| 291 | }
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| 292 | else
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| 293 | {
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[1020] | 294 | if (maxPvs)
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[396] | 295 | {
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| 296 | BspLeaf *leaf = dynamic_cast<BspLeaf *>(node);
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| 297 |
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| 298 | mForcedMaterial.mDiffuseColor.b = 1.0f;
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[1141] | 299 | const float importance =
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[1168] | 300 | (float)leaf->GetViewCell()->GetPvs().CountObjectsInPvs() / (float)maxPvs;
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[396] | 301 |
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| 302 | mForcedMaterial.mDiffuseColor.r = importance;
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| 303 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
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| 304 | }
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| 305 |
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[678] | 306 | ExportPolygons(cell->GetPolys());
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[396] | 307 | }
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| 308 |
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| 309 | DEL_PTR(cell);
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[373] | 310 | }
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| 311 | }
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| 312 |
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[176] | 313 | void
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[261] | 314 | X3dExporter::ExportViewCell(ViewCell *viewCell)
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[242] | 315 | {
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[261] | 316 | if (viewCell->GetMesh())
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| 317 | ExportMesh(viewCell->GetMesh());
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[242] | 318 | }
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| 319 |
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| 320 | void
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[162] | 321 | X3dExporter::ExportMesh(Mesh *mesh)
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| 322 | {
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| 323 |
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| 324 | stream<<"<Shape>"<<endl;
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| 325 | stream<<"<Appearance>"<<endl;
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[176] | 326 |
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[162] | 327 | // $$ tmp -> random material
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| 328 |
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| 329 | float r, g, b;
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| 330 |
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[176] | 331 | if (mUseForcedMaterial) {
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| 332 | r = mForcedMaterial.mDiffuseColor.r;
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| 333 | g = mForcedMaterial.mDiffuseColor.g;
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| 334 | b = mForcedMaterial.mDiffuseColor.b;
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| 335 |
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| 336 | } else
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| 337 | if (mesh->mMaterial) {
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| 338 | r = mesh->mMaterial->mDiffuseColor.r;
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| 339 | g = mesh->mMaterial->mDiffuseColor.g;
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| 340 | b = mesh->mMaterial->mDiffuseColor.b;
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| 341 | } else {
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| 342 | r = RandomValue(0.5, 1.0);
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| 343 | g = RandomValue(0.5, 1.0);
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| 344 | b = RandomValue(0.5, 1.0);
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| 345 | }
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[1001] | 346 |
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[162] | 347 | stream<<"<Material diffuseColor=\""<<r<<" "<<g<<" "<<b<<
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| 348 | "\" specularColor=\"0.0 0.0 0.0\"/>"<<endl;
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| 349 | stream<<"</Appearance>"<<endl;
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| 350 |
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| 351 |
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[191] | 352 | if (mWireframe)
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[427] | 353 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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[162] | 354 | else
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[465] | 355 | //stream<<"<IndexedFaceSet ccw=\"TRUE\" coordIndex=\""<<endl;
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| 356 | stream << "<IndexedFaceSet coordIndex=\"" << endl;
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[162] | 357 |
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| 358 | FaceContainer::const_iterator fi = mesh->mFaces.begin();
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| 359 |
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| 360 | int index = 0;
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| 361 |
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| 362 | for (; fi != mesh->mFaces.end(); fi++) {
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| 363 | Face *face = *fi;
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| 364 | VertexIndexContainer::const_iterator vi = face->mVertexIndices.begin();
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| 365 | for (; vi != face->mVertexIndices.end(); vi++)
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| 366 | stream<<*vi<<" ";
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[378] | 367 | if (mWireframe) // final line to finish polygon
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| 368 | stream << (*face->mVertexIndices.begin()) << " ";
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| 369 |
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[162] | 370 | stream<<"-1"<<endl;
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| 371 | }
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| 372 | stream<<"\" >"<<endl;
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| 373 |
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| 374 | stream<<"<Coordinate point=\""<<endl;
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| 375 |
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| 376 | VertexContainer::const_iterator vi = mesh->mVertices.begin();
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| 377 | for (; vi != mesh->mVertices.end(); vi++) {
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| 378 | stream<<(*vi).x<<" "<<(*vi).y<<" "<<(*vi).z;
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| 379 | stream<<","<<endl;
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| 380 | }
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| 381 |
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| 382 | stream<<"\" >"<<endl;
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| 383 | stream<<"</Coordinate>"<<endl;
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| 384 |
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[191] | 385 | if (mWireframe)
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[162] | 386 | stream<<"</IndexedLineSet>"<<endl;
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| 387 | else
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| 388 | stream<<"</IndexedFaceSet>"<<endl;
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| 389 |
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| 390 | stream<<"</Shape>"<<endl;
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| 391 |
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| 392 | }
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| 393 |
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[242] | 394 |
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| 395 | void X3dExporter::ExportPolygon(Polygon3 *poly)
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| 396 | {
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| 397 | stream << "<Shape>" << endl;
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| 398 | stream << "<Appearance>" << endl;
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| 399 |
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| 400 | // $$ tmp -> random material
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| 401 |
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| 402 | float r, g, b;
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| 403 |
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| 404 | if (mUseForcedMaterial)
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| 405 | {
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| 406 | r = mForcedMaterial.mDiffuseColor.r;
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| 407 | g = mForcedMaterial.mDiffuseColor.g;
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| 408 | b = mForcedMaterial.mDiffuseColor.b;
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| 409 | }
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| 410 | else if (poly->mMaterial)
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| 411 | {
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| 412 | r = poly->mMaterial->mDiffuseColor.r;
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| 413 | g = poly->mMaterial->mDiffuseColor.g;
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| 414 | b = poly->mMaterial->mDiffuseColor.b;
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| 415 | } else
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| 416 | {
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| 417 | r = RandomValue(0.5, 1.0);
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| 418 | g = RandomValue(0.5, 1.0);
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| 419 | b = RandomValue(0.5, 1.0);
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| 420 | }
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| 421 |
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| 422 | stream << "<Material diffuseColor=\"" << r << " " << g << " " << b
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| 423 | << "\" specularColor=\"0.0 0.0 0.0\"/>" << endl;
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| 424 |
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| 425 | stream << "</Appearance>" << endl;
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| 426 |
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| 427 |
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[262] | 428 | //-- create and write indices
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[242] | 429 | if (mWireframe)
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[465] | 430 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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[242] | 431 | else
|
---|
[465] | 432 | //stream << "<IndexedFaceSet ccw=\"TRUE\" coordIndex=\"" << endl;
|
---|
| 433 | stream << "<IndexedFaceSet coordIndex=\"" << endl;
|
---|
[262] | 434 | int index = 0;
|
---|
| 435 |
|
---|
| 436 | VertexContainer::const_iterator vi;
|
---|
| 437 |
|
---|
[333] | 438 | for (index = 0; index < (int)poly->mVertices.size(); ++ index)
|
---|
[318] | 439 | stream << index << " ";
|
---|
| 440 |
|
---|
| 441 | if (mWireframe) // final line to finish polygon
|
---|
| 442 | stream << "0 ";
|
---|
| 443 |
|
---|
[262] | 444 | stream << "-1" << endl;
|
---|
| 445 | stream << "\" >" << endl;
|
---|
| 446 |
|
---|
[242] | 447 | stream << "<Coordinate point=\"" << endl;
|
---|
| 448 |
|
---|
[262] | 449 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
[242] | 450 | {
|
---|
| 451 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
|
---|
| 452 | stream << "," << endl;
|
---|
| 453 | }
|
---|
| 454 |
|
---|
[262] | 455 | stream << "\" >" << endl;
|
---|
| 456 | stream << "</Coordinate>" << endl;
|
---|
[242] | 457 |
|
---|
| 458 | if (mWireframe)
|
---|
| 459 | stream << "</IndexedLineSet>" << endl;
|
---|
| 460 | else
|
---|
| 461 | stream << "</IndexedFaceSet>" << endl;
|
---|
| 462 |
|
---|
| 463 | stream << "</Shape>" << endl;
|
---|
| 464 | }
|
---|
| 465 |
|
---|
[712] | 466 |
|
---|
[1006] | 467 |
|
---|
[313] | 468 | void X3dExporter::ExportPolygons(const PolygonContainer &polys)
|
---|
[263] | 469 | {
|
---|
[318] | 470 | stream << "<Shape>" << endl;
|
---|
[263] | 471 | stream << "<Appearance>" << endl;
|
---|
| 472 |
|
---|
| 473 | // $$ tmp -> random material
|
---|
| 474 |
|
---|
| 475 | float r, g, b;
|
---|
[242] | 476 |
|
---|
[263] | 477 | if (mUseForcedMaterial)
|
---|
| 478 | {
|
---|
| 479 | r = mForcedMaterial.mDiffuseColor.r;
|
---|
| 480 | g = mForcedMaterial.mDiffuseColor.g;
|
---|
| 481 | b = mForcedMaterial.mDiffuseColor.b;
|
---|
| 482 | }
|
---|
| 483 | else
|
---|
| 484 | {
|
---|
| 485 | r = RandomValue(0.5, 1.0);
|
---|
| 486 | g = RandomValue(0.5, 1.0);
|
---|
| 487 | b = RandomValue(0.5, 1.0);
|
---|
| 488 | }
|
---|
| 489 |
|
---|
| 490 | stream << "<Material diffuseColor=\"" << r << " " << g << " " << b
|
---|
| 491 | << "\" specularColor=\"0.0 0.0 0.0\"/>" << endl;
|
---|
| 492 |
|
---|
| 493 | stream << "</Appearance>" << endl;
|
---|
| 494 |
|
---|
| 495 |
|
---|
| 496 | //-- create and write indices
|
---|
| 497 | if (mWireframe)
|
---|
[465] | 498 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
|
---|
[263] | 499 | else
|
---|
[465] | 500 | //stream << "<IndexedFaceSet ccw=\"TRUE\" coordIndex=\"" << endl;
|
---|
| 501 | stream << "<IndexedFaceSet coordIndex=\"" << endl;
|
---|
[263] | 502 |
|
---|
| 503 | int index = 0;
|
---|
| 504 |
|
---|
| 505 | PolygonContainer::const_iterator pit;
|
---|
| 506 |
|
---|
| 507 | VertexContainer::const_iterator vi;
|
---|
| 508 |
|
---|
[313] | 509 | for (pit = polys.begin(); pit != polys.end(); ++pit)
|
---|
[263] | 510 | {
|
---|
| 511 | Polygon3 *poly = *pit;
|
---|
[318] | 512 | int startIdx = index;
|
---|
[263] | 513 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
| 514 | {
|
---|
| 515 | stream << index ++ << " ";
|
---|
| 516 | }
|
---|
[318] | 517 |
|
---|
| 518 | stream << startIdx << " ";// finish line
|
---|
[263] | 519 | stream << "-1" << endl;
|
---|
| 520 | }
|
---|
| 521 |
|
---|
| 522 | stream << "\" >" << endl;
|
---|
| 523 |
|
---|
| 524 | stream << "<Coordinate point=\"" << endl;
|
---|
[318] | 525 | for (pit = polys.begin(); pit != polys.end(); ++ pit)
|
---|
[263] | 526 | {
|
---|
| 527 | Polygon3 *poly = *pit;
|
---|
| 528 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
| 529 | {
|
---|
| 530 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
|
---|
| 531 | stream << "," << endl;
|
---|
| 532 | }
|
---|
| 533 | }
|
---|
| 534 | stream << "\" >" << endl;
|
---|
| 535 | stream << "</Coordinate>" << endl;
|
---|
| 536 |
|
---|
| 537 | if (mWireframe)
|
---|
| 538 | stream << "</IndexedLineSet>" << endl;
|
---|
| 539 | else
|
---|
| 540 | stream << "</IndexedFaceSet>" << endl;
|
---|
| 541 |
|
---|
| 542 | stream << "</Shape>" << endl;
|
---|
| 543 | }
|
---|
| 544 |
|
---|
[1006] | 545 |
|
---|
[162] | 546 | bool
|
---|
| 547 | X3dExporter::ExportBox(const AxisAlignedBox3 &box)
|
---|
| 548 | {
|
---|
| 549 | Mesh *mesh = new Mesh;
|
---|
[547] | 550 | // add 8 vertices of the box
|
---|
[289] | 551 | int index = (int)mesh->mVertices.size();
|
---|
[162] | 552 | for (int i=0; i < 8; i++) {
|
---|
| 553 | Vector3 v;
|
---|
| 554 | box.GetVertex(i, v);
|
---|
| 555 | mesh->mVertices.push_back(v);
|
---|
| 556 | }
|
---|
| 557 |
|
---|
| 558 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
| 559 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
| 560 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
| 561 |
|
---|
| 562 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
| 563 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
| 564 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
| 565 |
|
---|
| 566 | ExportMesh(mesh);
|
---|
| 567 | delete mesh;
|
---|
| 568 | return true;
|
---|
| 569 | }
|
---|
| 570 |
|
---|
[1006] | 571 |
|
---|
[162] | 572 | bool
|
---|
[242] | 573 | X3dExporter::ExportBspTree(const BspTree &tree)
|
---|
[162] | 574 | {
|
---|
[242] | 575 | if (mExportRayDensity)
|
---|
| 576 | {
|
---|
[263] | 577 | return ExportBspTreeRayDensity(tree);
|
---|
[242] | 578 | }
|
---|
| 579 |
|
---|
[264] | 580 | bool savedWireframe = mWireframe;
|
---|
| 581 |
|
---|
| 582 | SetWireframe();
|
---|
| 583 |
|
---|
[396] | 584 | ExportBox(tree.GetBoundingBox());
|
---|
| 585 |
|
---|
[264] | 586 | if (!savedWireframe)
|
---|
| 587 | SetFilled();
|
---|
| 588 |
|
---|
[373] | 589 | // export view cells
|
---|
[482] | 590 | ExportBspLeaves(tree);
|
---|
[289] | 591 |
|
---|
[263] | 592 | return true;
|
---|
[242] | 593 | }
|
---|
| 594 |
|
---|
[418] | 595 |
|
---|
[1197] | 596 | bool X3dExporter::ExportKdTree(const KdTree &tree,
|
---|
| 597 | const bool exportGeometry)
|
---|
[242] | 598 | {
|
---|
| 599 | if (mExportRayDensity) {
|
---|
[191] | 600 | return ExportKdTreeRayDensity(tree);
|
---|
| 601 | }
|
---|
| 602 |
|
---|
[162] | 603 | stack<KdNode *> tStack;
|
---|
| 604 |
|
---|
| 605 | tStack.push(tree.GetRoot());
|
---|
| 606 |
|
---|
| 607 | Mesh *mesh = new Mesh;
|
---|
| 608 |
|
---|
| 609 | while (!tStack.empty()) {
|
---|
| 610 | KdNode *node = tStack.top();
|
---|
| 611 | tStack.pop();
|
---|
| 612 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
| 613 | // add 6 vertices of the box
|
---|
[289] | 614 | int index = (int)mesh->mVertices.size();
|
---|
[162] | 615 | for (int i=0; i < 8; i++) {
|
---|
| 616 | Vector3 v;
|
---|
| 617 | box.GetVertex(i, v);
|
---|
| 618 | mesh->mVertices.push_back(v);
|
---|
| 619 | }
|
---|
| 620 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
| 621 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
| 622 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
| 623 |
|
---|
| 624 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
| 625 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
| 626 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
| 627 |
|
---|
| 628 | if (!node->IsLeaf()) {
|
---|
| 629 | KdInterior *interior = (KdInterior *)node;
|
---|
| 630 | tStack.push(interior->mFront);
|
---|
| 631 | tStack.push(interior->mBack);
|
---|
| 632 | }
|
---|
[1197] | 633 | else if (exportGeometry)
|
---|
| 634 | {
|
---|
| 635 | SetFilled();
|
---|
| 636 | SetForcedMaterial(RandomMaterial());
|
---|
| 637 | ExportGeometry(dynamic_cast<KdLeaf *>(node)->mObjects);
|
---|
| 638 | SetWireframe();
|
---|
| 639 | }
|
---|
[162] | 640 | }
|
---|
| 641 |
|
---|
| 642 | ExportMesh(mesh);
|
---|
| 643 | delete mesh;
|
---|
[1006] | 644 |
|
---|
[162] | 645 | return true;
|
---|
| 646 | }
|
---|
| 647 |
|
---|
| 648 |
|
---|
[191] | 649 | bool
|
---|
[438] | 650 | X3dExporter::ExportVssTree(const VssTree &tree
|
---|
| 651 | )
|
---|
[434] | 652 | {
|
---|
| 653 | stack<VssTreeNode *> tStack;
|
---|
| 654 |
|
---|
| 655 | tStack.push(tree.GetRoot());
|
---|
| 656 |
|
---|
| 657 | Mesh *mesh = new Mesh;
|
---|
| 658 | VssRayContainer rays;
|
---|
| 659 |
|
---|
| 660 | while (!tStack.empty()) {
|
---|
| 661 |
|
---|
| 662 | VssTreeNode *node = tStack.top();
|
---|
| 663 | tStack.pop();
|
---|
| 664 |
|
---|
| 665 |
|
---|
| 666 | if (!node->IsLeaf()) {
|
---|
| 667 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
| 668 | tStack.push(interior->front);
|
---|
| 669 | tStack.push(interior->back);
|
---|
| 670 | } else {
|
---|
| 671 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
| 672 | AxisAlignedBox3 box;
|
---|
| 673 | box = tree.GetBBox(leaf);
|
---|
[860] | 674 | IncludeBoxInMesh(box, *mesh);
|
---|
[434] | 675 |
|
---|
| 676 | if (tree.ValidLeaf(leaf)) {
|
---|
| 677 |
|
---|
| 678 | Vector3 origin = box.Center();
|
---|
| 679 | box = tree.GetDirBBox(leaf);
|
---|
| 680 | VssRay *ray;
|
---|
| 681 |
|
---|
[1004] | 682 | const int indices[][2] = {{0,0}, {0,1}, {1,1}, {1,0}};
|
---|
[434] | 683 | MeshInstance dummy(mesh);
|
---|
| 684 | for (int i=0; i < 4; i++) {
|
---|
| 685 | // Vector3 v = box.GetVertex(indices[i][0], indices[i][1], 0);
|
---|
| 686 | Vector3 v = box.Center();
|
---|
| 687 |
|
---|
| 688 | Vector3 direction = VssRay::GetDirection(v.x, v.y);
|
---|
[438] | 689 | if (Magnitude(direction) > Limits::Small)
|
---|
| 690 | direction.Normalize();
|
---|
| 691 | else
|
---|
| 692 | direction = Vector3(0, 1, 0);
|
---|
[435] | 693 | float k = 100.0f*leaf->GetImportance();
|
---|
[434] | 694 | // get 4 corners of the ray directions
|
---|
| 695 |
|
---|
| 696 | ray = new VssRay(origin, origin + (direction*k), NULL, &dummy);
|
---|
| 697 | rays.push_back(ray);
|
---|
| 698 | }
|
---|
| 699 | }
|
---|
| 700 | }
|
---|
| 701 | }
|
---|
| 702 |
|
---|
| 703 | ExportMesh(mesh);
|
---|
[438] | 704 | ExportRays(rays);
|
---|
| 705 | CLEAR_CONTAINER(rays);
|
---|
[434] | 706 | delete mesh;
|
---|
| 707 | return true;
|
---|
| 708 | }
|
---|
| 709 |
|
---|
| 710 | bool
|
---|
[438] | 711 | X3dExporter::ExportVssTree2(const VssTree &tree,
|
---|
| 712 | const Vector3 direction
|
---|
| 713 | )
|
---|
| 714 | {
|
---|
| 715 | stack<VssTreeNode *> tStack;
|
---|
| 716 |
|
---|
| 717 |
|
---|
| 718 | mUseForcedMaterial = true;
|
---|
| 719 |
|
---|
| 720 | Vector3 dirParam;
|
---|
| 721 |
|
---|
| 722 | dirParam.x = VssRay::GetDirParam(0, Normalize(direction));
|
---|
| 723 | dirParam.y = VssRay::GetDirParam(1, Normalize(direction));
|
---|
| 724 |
|
---|
| 725 | float maxImportance = 0.0f;
|
---|
| 726 | tStack.push(tree.GetRoot());
|
---|
| 727 | while (!tStack.empty()) {
|
---|
| 728 |
|
---|
| 729 | VssTreeNode *node = tStack.top();
|
---|
| 730 | tStack.pop();
|
---|
| 731 |
|
---|
| 732 | if (!node->IsLeaf()) {
|
---|
| 733 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
| 734 | if (interior->axis < 3) {
|
---|
| 735 | tStack.push(interior->front);
|
---|
| 736 | tStack.push(interior->back);
|
---|
| 737 | } else {
|
---|
| 738 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 739 | tStack.push(interior->back);
|
---|
| 740 | else
|
---|
| 741 | tStack.push(interior->front);
|
---|
| 742 | }
|
---|
| 743 | } else {
|
---|
| 744 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
| 745 | if (tree.ValidLeaf(leaf)) {
|
---|
| 746 | float i = leaf->GetImportance();
|
---|
| 747 | if (i > maxImportance)
|
---|
| 748 | maxImportance = i;
|
---|
| 749 | }
|
---|
| 750 | }
|
---|
| 751 | }
|
---|
| 752 |
|
---|
| 753 | tStack.push(tree.GetRoot());
|
---|
| 754 | while (!tStack.empty()) {
|
---|
| 755 |
|
---|
| 756 | VssTreeNode *node = tStack.top();
|
---|
| 757 | tStack.pop();
|
---|
| 758 |
|
---|
| 759 |
|
---|
| 760 | if (!node->IsLeaf()) {
|
---|
| 761 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
| 762 | if (interior->axis < 3) {
|
---|
| 763 | tStack.push(interior->front);
|
---|
| 764 | tStack.push(interior->back);
|
---|
| 765 | } else {
|
---|
| 766 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 767 | tStack.push(interior->back);
|
---|
| 768 | else
|
---|
| 769 | tStack.push(interior->front);
|
---|
| 770 | }
|
---|
| 771 | } else {
|
---|
| 772 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
| 773 | if (tree.ValidLeaf(leaf)) {
|
---|
| 774 | AxisAlignedBox3 box;
|
---|
| 775 | box = tree.GetBBox(leaf);
|
---|
| 776 | Mesh *mesh = new Mesh;
|
---|
[860] | 777 | IncludeBoxInMesh(box, *mesh);
|
---|
[438] | 778 |
|
---|
| 779 | // get 4 corners of the ray directions
|
---|
| 780 |
|
---|
| 781 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 782 | mForcedMaterial.mDiffuseColor.r = leaf->GetImportance()/maxImportance;
|
---|
| 783 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 784 |
|
---|
| 785 | ExportMesh(mesh);
|
---|
| 786 | delete mesh;
|
---|
| 787 | }
|
---|
| 788 | }
|
---|
| 789 | }
|
---|
| 790 |
|
---|
| 791 | mUseForcedMaterial = false;
|
---|
| 792 |
|
---|
| 793 | return true;
|
---|
| 794 | }
|
---|
| 795 |
|
---|
| 796 | bool
|
---|
[263] | 797 | X3dExporter::ExportBspTreeRayDensity(const BspTree &tree)
|
---|
| 798 | {
|
---|
[311] | 799 | stack<BspNode *> tStack;
|
---|
| 800 |
|
---|
| 801 | tStack.push(tree.GetRoot());
|
---|
| 802 |
|
---|
| 803 | bool fm = mUseForcedMaterial;
|
---|
| 804 |
|
---|
| 805 | mUseForcedMaterial = true;
|
---|
| 806 |
|
---|
| 807 | mForcedMaterial.mDiffuseColor.g = 1.0f;
|
---|
| 808 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 809 |
|
---|
| 810 | while (!tStack.empty())
|
---|
| 811 | {
|
---|
| 812 | BspNode *node = tStack.top();
|
---|
| 813 | tStack.pop();
|
---|
| 814 |
|
---|
| 815 | if (node->IsLeaf())
|
---|
| 816 | {
|
---|
| 817 | ViewCell *vc = dynamic_cast<BspLeaf *>(node)->GetViewCell();
|
---|
[580] | 818 | #if 0
|
---|
[311] | 819 | // set the mesh material according to the ray density
|
---|
| 820 | if (vc->mPassingRays.mRays)
|
---|
| 821 | {
|
---|
[313] | 822 | float importance =
|
---|
[438] | 823 | vc->mPassingRays.mContributions / (float)vc->mPassingRays.mRays;
|
---|
| 824 |
|
---|
[311] | 825 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
| 826 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 827 | ExportViewCell(vc);
|
---|
[580] | 828 |
|
---|
[438] | 829 | }
|
---|
[580] | 830 | #endif
|
---|
| 831 | }
|
---|
| 832 | else
|
---|
[311] | 833 | {
|
---|
| 834 | BspInterior *interior = (BspInterior *)node;
|
---|
| 835 | tStack.push(interior->GetFront());
|
---|
| 836 | tStack.push(interior->GetBack());
|
---|
| 837 | }
|
---|
| 838 | }
|
---|
| 839 |
|
---|
| 840 | // restore the state of forced material
|
---|
| 841 | mUseForcedMaterial = fm;
|
---|
| 842 |
|
---|
[263] | 843 | return true;
|
---|
| 844 | }
|
---|
| 845 |
|
---|
| 846 | bool
|
---|
[191] | 847 | X3dExporter::ExportKdTreeRayDensity(const KdTree &tree)
|
---|
| 848 | {
|
---|
| 849 | stack<KdNode *> tStack;
|
---|
| 850 |
|
---|
| 851 | tStack.push(tree.GetRoot());
|
---|
| 852 |
|
---|
| 853 | bool fm = mUseForcedMaterial;
|
---|
| 854 | mUseForcedMaterial = true;
|
---|
| 855 | mForcedMaterial.mDiffuseColor.g = 1.0f;
|
---|
| 856 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 857 | while (!tStack.empty()) {
|
---|
| 858 | KdNode *node = tStack.top();
|
---|
| 859 | tStack.pop();
|
---|
| 860 | if (node->IsLeaf()) {
|
---|
| 861 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
| 862 | Mesh *mesh = new Mesh;
|
---|
| 863 |
|
---|
| 864 | // add 6 vertices of the box
|
---|
[289] | 865 | int index = (int)mesh->mVertices.size();
|
---|
[191] | 866 | for (int i=0; i < 8; i++) {
|
---|
| 867 | Vector3 v;
|
---|
| 868 | box.GetVertex(i, v);
|
---|
| 869 | mesh->mVertices.push_back(v);
|
---|
| 870 | }
|
---|
| 871 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
| 872 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
| 873 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
| 874 |
|
---|
| 875 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
| 876 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
| 877 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
| 878 |
|
---|
| 879 |
|
---|
| 880 | // set the mesh material according to the ray density
|
---|
| 881 | KdLeaf *leaf = (KdLeaf *) node;
|
---|
| 882 | if (leaf->mPassingRays.mRays) {
|
---|
| 883 | float importance = leaf->mPassingRays.mContributions/(float)leaf->mPassingRays.mRays;
|
---|
| 884 | // float importance = leaf->mPassingRays.mContributions/1000.0f;
|
---|
| 885 | // float importance = leaf->mPassingRays.mRays/1000.0f;
|
---|
| 886 | ///(float)leaf->mPassingRays.mRays;
|
---|
| 887 | // mForcedMaterial.mDiffuseColor.r = log10(leaf->mPassingRays.mRays)/3.0f;
|
---|
| 888 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
| 889 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 890 | ExportMesh(mesh);
|
---|
| 891 | }
|
---|
| 892 | delete mesh;
|
---|
| 893 | } else {
|
---|
| 894 | KdInterior *interior = (KdInterior *)node;
|
---|
| 895 | tStack.push(interior->mFront);
|
---|
| 896 | tStack.push(interior->mBack);
|
---|
| 897 | }
|
---|
| 898 | }
|
---|
| 899 | // restore the state of forced material
|
---|
| 900 | mUseForcedMaterial = fm;
|
---|
| 901 | return true;
|
---|
| 902 | }
|
---|
[312] | 903 |
|
---|
[329] | 904 |
|
---|
[312] | 905 | struct BspSplitData
|
---|
| 906 | {
|
---|
[372] | 907 | /// the current node
|
---|
| 908 | BspNode *mNode;
|
---|
| 909 |
|
---|
[449] | 910 | vector<Plane3> mPlanes;
|
---|
[372] | 911 | vector<bool> mSides;
|
---|
| 912 | bool mIsFront;
|
---|
[383] | 913 | int mDepth;
|
---|
[372] | 914 |
|
---|
[313] | 915 | BspSplitData(BspNode *node):
|
---|
[383] | 916 | mNode(node), mIsFront(false), mDepth(0)
|
---|
[372] | 917 | {};
|
---|
[383] | 918 |
|
---|
[312] | 919 | BspSplitData(BspNode *node,
|
---|
[449] | 920 | vector<Plane3> planes,
|
---|
[329] | 921 | vector<bool> sides,
|
---|
[383] | 922 | const bool isFront,
|
---|
| 923 | const int depth):
|
---|
| 924 | mNode(node), mPlanes(planes), mSides(sides),
|
---|
| 925 | mIsFront(isFront), mDepth(depth)
|
---|
[312] | 926 | {};
|
---|
| 927 | };
|
---|
| 928 |
|
---|
[383] | 929 | void X3dExporter::ExportLeavesGeometry(const BspTree &tree,
|
---|
| 930 | const vector<BspLeaf *> &leaves)
|
---|
[360] | 931 | {
|
---|
| 932 | vector<BspLeaf *>::const_iterator it, it_end = leaves.end();
|
---|
| 933 |
|
---|
| 934 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 935 | {
|
---|
[503] | 936 | BspNodeGeometry geom;
|
---|
| 937 | tree.ConstructGeometry(*it, geom);
|
---|
[360] | 938 |
|
---|
[678] | 939 | ExportPolygons(geom.GetPolys());
|
---|
[360] | 940 | }
|
---|
| 941 | }
|
---|
| 942 |
|
---|
[449] | 943 | void X3dExporter::ExportBspNodeSplits(BspNode *root,
|
---|
| 944 | const AxisAlignedBox3 &box,
|
---|
| 945 | const bool exportDepth,
|
---|
| 946 | const bool epsilon)
|
---|
[372] | 947 | {
|
---|
| 948 | std::stack<BspSplitData> tStack;
|
---|
| 949 |
|
---|
[449] | 950 | BspSplitData tData(root);
|
---|
[372] | 951 | tStack.push(tData);
|
---|
| 952 |
|
---|
| 953 | PolygonContainer polys;
|
---|
[383] | 954 | vector <int> depths;
|
---|
[372] | 955 |
|
---|
[383] | 956 | int maxDepth = 0;
|
---|
| 957 |
|
---|
[372] | 958 | while (!tStack.empty())
|
---|
| 959 | {
|
---|
| 960 | // filter polygons donw the tree
|
---|
| 961 | BspSplitData tData = tStack.top();
|
---|
| 962 | tStack.pop();
|
---|
| 963 |
|
---|
[383] | 964 | if (tData.mNode->IsLeaf())
|
---|
[372] | 965 | {
|
---|
[383] | 966 | if (tData.mDepth > maxDepth)
|
---|
| 967 | maxDepth = tData.mDepth;
|
---|
| 968 | }
|
---|
| 969 | else
|
---|
| 970 | {
|
---|
[372] | 971 | BspInterior *interior = dynamic_cast<BspInterior *>(tData.mNode);
|
---|
| 972 |
|
---|
[383] | 973 | // add current side of split plane
|
---|
[449] | 974 | if (tData.mNode != root)
|
---|
[383] | 975 | tData.mSides.push_back(tData.mIsFront);
|
---|
[372] | 976 |
|
---|
| 977 | // bounded plane is added to the polygons
|
---|
[383] | 978 | Polygon3 *planePoly =
|
---|
[449] | 979 | box.CrossSection(interior->GetPlane());
|
---|
[372] | 980 |
|
---|
| 981 | // do all the splits with the previous planes
|
---|
| 982 | for (int i = 0; i < (int)tData.mPlanes.size(); ++ i)
|
---|
[436] | 983 | {
|
---|
[449] | 984 | if (planePoly->ClassifyPlane(tData.mPlanes[i], epsilon)
|
---|
| 985 | == Polygon3::SPLIT)
|
---|
[372] | 986 | {
|
---|
| 987 | Polygon3 *frontPoly = new Polygon3();
|
---|
| 988 | Polygon3 *backPoly = new Polygon3();
|
---|
| 989 |
|
---|
[449] | 990 | planePoly->Split(tData.mPlanes[i],
|
---|
| 991 | *frontPoly,
|
---|
| 992 | *backPoly,
|
---|
| 993 | epsilon);
|
---|
| 994 |
|
---|
[372] | 995 | DEL_PTR(planePoly);
|
---|
| 996 |
|
---|
| 997 | if(tData.mSides[i] == true)
|
---|
| 998 | {
|
---|
| 999 | planePoly = frontPoly;
|
---|
| 1000 | DEL_PTR(backPoly);
|
---|
| 1001 | }
|
---|
| 1002 | else
|
---|
| 1003 | {
|
---|
| 1004 | planePoly = backPoly;
|
---|
| 1005 | DEL_PTR(frontPoly);
|
---|
| 1006 | }
|
---|
| 1007 | }
|
---|
| 1008 | }
|
---|
| 1009 |
|
---|
| 1010 | tData.mPlanes.push_back(interior->GetPlane()); // add plane to split planes
|
---|
| 1011 |
|
---|
[449] | 1012 | if (planePoly->Valid(epsilon))
|
---|
[383] | 1013 | {
|
---|
[372] | 1014 | polys.push_back(planePoly);
|
---|
[383] | 1015 | depths.push_back(tData.mDepth);
|
---|
| 1016 | }
|
---|
[372] | 1017 | else
|
---|
| 1018 | DEL_PTR(planePoly);
|
---|
| 1019 |
|
---|
| 1020 | // push the children on the stack
|
---|
[383] | 1021 | tStack.push(BspSplitData(interior->GetFront(), tData.mPlanes,
|
---|
| 1022 | tData.mSides, true, tData.mDepth + 1));
|
---|
| 1023 | tStack.push(BspSplitData(interior->GetBack(), tData.mPlanes,
|
---|
| 1024 | tData.mSides, false, tData.mDepth + 1));
|
---|
[372] | 1025 | }
|
---|
[383] | 1026 | }
|
---|
| 1027 |
|
---|
| 1028 | if (maxDepth > 0)
|
---|
| 1029 | {
|
---|
| 1030 | mUseForcedMaterial = true;
|
---|
| 1031 |
|
---|
| 1032 | for (int i = 0; i < (int)polys.size(); ++ i)
|
---|
| 1033 | {
|
---|
| 1034 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 1035 | float importance = (float)depths[i]/ (float)maxDepth;
|
---|
| 1036 |
|
---|
| 1037 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
| 1038 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 1039 |
|
---|
| 1040 | ExportPolygon(polys[i]);
|
---|
| 1041 | }
|
---|
| 1042 | }
|
---|
| 1043 | else
|
---|
| 1044 | {
|
---|
| 1045 | ExportPolygons(polys);
|
---|
| 1046 | }
|
---|
| 1047 |
|
---|
[372] | 1048 | CLEAR_CONTAINER(polys);
|
---|
| 1049 | }
|
---|
| 1050 |
|
---|
[449] | 1051 | void X3dExporter::ExportBspSplits(const BspTree &tree,
|
---|
| 1052 | const bool exportDepth)
|
---|
| 1053 | {
|
---|
| 1054 | ExportBspNodeSplits(tree.GetRoot(),
|
---|
| 1055 | tree.GetBoundingBox(),
|
---|
| 1056 | exportDepth,
|
---|
| 1057 | tree.GetEpsilon());
|
---|
| 1058 | }
|
---|
| 1059 |
|
---|
| 1060 | void X3dExporter::ExportBspSplits(const VspBspTree &tree,
|
---|
| 1061 | const bool exportDepth)
|
---|
| 1062 | {
|
---|
| 1063 | ExportBspNodeSplits(tree.GetRoot(),
|
---|
| 1064 | tree.GetBoundingBox(),
|
---|
| 1065 | exportDepth,
|
---|
| 1066 | tree.GetEpsilon());
|
---|
| 1067 | }
|
---|
| 1068 |
|
---|
[372] | 1069 | void X3dExporter::ExportBspSplitPlanes(const BspTree &tree)
|
---|
| 1070 | {
|
---|
| 1071 | std::stack<BspNode *> tStack;
|
---|
| 1072 |
|
---|
| 1073 | tStack.push(tree.GetRoot());
|
---|
| 1074 |
|
---|
| 1075 | PolygonContainer polys;
|
---|
| 1076 |
|
---|
| 1077 | while (!tStack.empty())
|
---|
| 1078 | {
|
---|
| 1079 | // filter polygons donw the tree
|
---|
| 1080 | BspNode *node = tStack.top();
|
---|
| 1081 | tStack.pop();
|
---|
| 1082 |
|
---|
| 1083 | if (!node->IsLeaf())
|
---|
| 1084 | {
|
---|
| 1085 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
|
---|
| 1086 |
|
---|
| 1087 | // bounded plane is added to the polygons
|
---|
[449] | 1088 | polys.push_back(tree.GetBoundingBox().CrossSection(interior->GetPlane()));
|
---|
[372] | 1089 |
|
---|
| 1090 | // push the children on the stack
|
---|
| 1091 | tStack.push(interior->GetBack());
|
---|
| 1092 | tStack.push(interior->GetFront());
|
---|
| 1093 | }
|
---|
| 1094 | }
|
---|
| 1095 |
|
---|
| 1096 | ExportPolygons(polys);
|
---|
| 1097 | CLEAR_CONTAINER(polys);
|
---|
| 1098 | }
|
---|
[440] | 1099 |
|
---|
| 1100 |
|
---|
[449] | 1101 | void X3dExporter::ExportGeometry(const ObjectContainer &objects)
|
---|
[440] | 1102 | {
|
---|
[712] | 1103 | ObjectContainer::const_iterator oit, oit_end = objects.end();
|
---|
| 1104 |
|
---|
| 1105 | if (1)
|
---|
| 1106 | {
|
---|
| 1107 | for (oit = objects.begin(); oit != oit_end; ++ oit)
|
---|
| 1108 | {
|
---|
[726] | 1109 | if (0)
|
---|
[712] | 1110 | SetForcedMaterial(RandomMaterial());
|
---|
[726] | 1111 |
|
---|
[712] | 1112 | ExportIntersectable(*oit);
|
---|
| 1113 | }
|
---|
| 1114 |
|
---|
| 1115 | return;
|
---|
| 1116 | }
|
---|
| 1117 |
|
---|
| 1118 | // hack: all object exported as one mesh
|
---|
[685] | 1119 | PolygonContainer polys;
|
---|
[712] | 1120 |
|
---|
| 1121 | for (oit = objects.begin(); oit != oit_end; ++ oit)
|
---|
| 1122 | {
|
---|
| 1123 | polys.push_back(new Polygon3(dynamic_cast<MeshInstance *>(*oit)->GetMesh()->mVertices));
|
---|
[685] | 1124 | }
|
---|
| 1125 |
|
---|
| 1126 | Mesh dummyMesh;
|
---|
[712] | 1127 | PolygonContainer::const_iterator pit, pit_end = polys.end();
|
---|
[685] | 1128 |
|
---|
[712] | 1129 | for (pit = polys.begin(); pit != pit_end; ++ pit)
|
---|
| 1130 | {
|
---|
[840] | 1131 | Polygon3 *poly = (*pit);
|
---|
| 1132 | IncludePolyInMesh(*poly, dummyMesh);
|
---|
[712] | 1133 | }
|
---|
| 1134 |
|
---|
[685] | 1135 | ExportMesh(&dummyMesh);
|
---|
[712] | 1136 |
|
---|
[685] | 1137 | CLEAR_CONTAINER(polys);
|
---|
[440] | 1138 | }
|
---|
[449] | 1139 |
|
---|
| 1140 |
|
---|
[450] | 1141 | bool
|
---|
| 1142 | X3dExporter::ExportRssTree2(const RssTree &tree,
|
---|
| 1143 | const Vector3 direction
|
---|
| 1144 | )
|
---|
| 1145 | {
|
---|
| 1146 | stack<RssTreeNode *> tStack;
|
---|
| 1147 |
|
---|
| 1148 |
|
---|
| 1149 | mUseForcedMaterial = true;
|
---|
| 1150 |
|
---|
| 1151 | Vector3 dirParam;
|
---|
| 1152 |
|
---|
| 1153 | dirParam.x = VssRay::GetDirParam(0, Normalize(direction));
|
---|
| 1154 | dirParam.y = VssRay::GetDirParam(1, Normalize(direction));
|
---|
| 1155 |
|
---|
| 1156 | float maxImportance = 0.0f;
|
---|
| 1157 | tStack.push(tree.GetRoot());
|
---|
| 1158 | while (!tStack.empty()) {
|
---|
| 1159 |
|
---|
| 1160 | RssTreeNode *node = tStack.top();
|
---|
| 1161 | tStack.pop();
|
---|
| 1162 |
|
---|
| 1163 | if (!node->IsLeaf()) {
|
---|
| 1164 | RssTreeInterior *interior = (RssTreeInterior *)node;
|
---|
| 1165 | if (interior->axis < 3) {
|
---|
| 1166 | tStack.push(interior->front);
|
---|
| 1167 | tStack.push(interior->back);
|
---|
| 1168 | } else {
|
---|
| 1169 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 1170 | tStack.push(interior->back);
|
---|
| 1171 | else
|
---|
| 1172 | tStack.push(interior->front);
|
---|
| 1173 | }
|
---|
| 1174 | } else {
|
---|
| 1175 | RssTreeLeaf *leaf = (RssTreeLeaf *)node;
|
---|
| 1176 | if (tree.ValidLeaf(leaf)) {
|
---|
| 1177 | float i = leaf->GetImportance();
|
---|
| 1178 | if (i > maxImportance)
|
---|
| 1179 | maxImportance = i;
|
---|
| 1180 | }
|
---|
| 1181 | }
|
---|
| 1182 | }
|
---|
| 1183 |
|
---|
| 1184 | tStack.push(tree.GetRoot());
|
---|
| 1185 | while (!tStack.empty()) {
|
---|
| 1186 |
|
---|
| 1187 | RssTreeNode *node = tStack.top();
|
---|
| 1188 | tStack.pop();
|
---|
| 1189 |
|
---|
| 1190 |
|
---|
| 1191 | if (!node->IsLeaf()) {
|
---|
| 1192 | RssTreeInterior *interior = (RssTreeInterior *)node;
|
---|
| 1193 | if (interior->axis < 3) {
|
---|
| 1194 | tStack.push(interior->front);
|
---|
| 1195 | tStack.push(interior->back);
|
---|
| 1196 | } else {
|
---|
| 1197 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 1198 | tStack.push(interior->back);
|
---|
| 1199 | else
|
---|
| 1200 | tStack.push(interior->front);
|
---|
| 1201 | }
|
---|
| 1202 | } else {
|
---|
| 1203 | RssTreeLeaf *leaf = (RssTreeLeaf *)node;
|
---|
| 1204 | if (tree.ValidLeaf(leaf)) {
|
---|
| 1205 | AxisAlignedBox3 box;
|
---|
| 1206 | box = tree.GetShrankedBBox(leaf);
|
---|
| 1207 | Mesh *mesh = new Mesh;
|
---|
[860] | 1208 | IncludeBoxInMesh(box, *mesh);
|
---|
[450] | 1209 |
|
---|
| 1210 | // get 4 corners of the ray directions
|
---|
| 1211 |
|
---|
| 1212 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 1213 | mForcedMaterial.mDiffuseColor.r = leaf->GetImportance()/maxImportance;
|
---|
| 1214 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 1215 |
|
---|
| 1216 | ExportMesh(mesh);
|
---|
| 1217 | delete mesh;
|
---|
| 1218 | }
|
---|
| 1219 | }
|
---|
| 1220 | }
|
---|
| 1221 |
|
---|
| 1222 | mUseForcedMaterial = false;
|
---|
| 1223 |
|
---|
| 1224 | return true;
|
---|
| 1225 | }
|
---|
[459] | 1226 |
|
---|
| 1227 |
|
---|
| 1228 | void
|
---|
| 1229 | X3dExporter::ExportViewpoint(const Vector3 &point,
|
---|
| 1230 | const Vector3 &direction)
|
---|
| 1231 | {
|
---|
| 1232 | stream<<"<Viewpoint "<<endl;
|
---|
| 1233 |
|
---|
| 1234 | stream<<"position=\""<<point.x<<" "<<point.y<<" "<<point.z<<"\""<<endl;
|
---|
| 1235 | // stream<<"orientation "<<direction.x<<direction.y<<direction.z<<endl;
|
---|
| 1236 |
|
---|
| 1237 | stream<<">"<<endl;
|
---|
| 1238 | stream<<"</Viewpoint>"<<endl;
|
---|
[535] | 1239 |
|
---|
[459] | 1240 | }
|
---|
[535] | 1241 |
|
---|
| 1242 |
|
---|
| 1243 |
|
---|
| 1244 | void X3dExporter::ExportBeam(const Beam &beam, const AxisAlignedBox3 &box)
|
---|
| 1245 | {
|
---|
[540] | 1246 | if (beam.mMesh)
|
---|
| 1247 | {
|
---|
| 1248 | ExportMesh(beam.mMesh);
|
---|
| 1249 | return;
|
---|
| 1250 | }
|
---|
| 1251 |
|
---|
[535] | 1252 | PolygonContainer polys;
|
---|
| 1253 | //ExportBox(beam.mBox);
|
---|
| 1254 |
|
---|
[540] | 1255 | const float zfar = 2.0f * Magnitude(box.Diagonal());
|
---|
| 1256 |
|
---|
| 1257 | // box should not never remove part of beam polygons
|
---|
[564] | 1258 | Vector3 bmin = beam.mBox.Min() - Vector3(zfar * 2.0f);
|
---|
| 1259 | Vector3 bmax = beam.mBox.Max() + Vector3(zfar * 2.0f);
|
---|
[540] | 1260 |
|
---|
| 1261 | AxisAlignedBox3 bbox(bmin, bmax);
|
---|
| 1262 | Plane3 fplane;
|
---|
| 1263 | fplane.mNormal = -beam.mPlanes[0].mNormal;
|
---|
| 1264 |
|
---|
| 1265 | fplane.mD = beam.mPlanes[0].mD - zfar - 1.0f;
|
---|
| 1266 |
|
---|
| 1267 | vector<Plane3> planes = beam.mPlanes;
|
---|
| 1268 | planes.push_back(fplane);
|
---|
| 1269 |
|
---|
| 1270 | for (int i = 0; i < planes.size(); ++ i)
|
---|
[535] | 1271 | {
|
---|
[540] | 1272 | Polygon3 *poly = bbox.CrossSection(planes[i]);
|
---|
| 1273 | if (!poly->Valid(Limits::Small))
|
---|
| 1274 | DEL_PTR(poly);
|
---|
[535] | 1275 |
|
---|
[540] | 1276 | for (int j = 0; (j < planes.size()) && poly; ++ j)
|
---|
[535] | 1277 | {
|
---|
| 1278 | if (j != i)
|
---|
| 1279 | {
|
---|
| 1280 | Polygon3 *front = new Polygon3();
|
---|
| 1281 | Polygon3 *back = new Polygon3();
|
---|
| 1282 |
|
---|
[540] | 1283 | poly->Split(planes[j], *front, *back, Limits::Small);
|
---|
[535] | 1284 | DEL_PTR(poly);
|
---|
| 1285 | DEL_PTR(front);
|
---|
| 1286 |
|
---|
| 1287 | if (!back->Valid(Limits::Small))
|
---|
| 1288 | DEL_PTR(back);
|
---|
| 1289 | poly = back;
|
---|
| 1290 | }
|
---|
| 1291 | }
|
---|
| 1292 | if (poly)
|
---|
| 1293 | polys.push_back(poly);
|
---|
| 1294 | }
|
---|
| 1295 |
|
---|
| 1296 | ExportPolygons(polys);
|
---|
| 1297 | CLEAR_CONTAINER(polys);
|
---|
[685] | 1298 | }
|
---|
[860] | 1299 |
|
---|
[1106] | 1300 |
|
---|
| 1301 | }
|
---|
| 1302 |
|
---|