[712] | 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 "VrmlExporter.h"
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| 5 | #include "Mesh.h"
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| 6 | #include "KdTree.h"
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| 7 | #include "ViewCellBsp.h"
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| 8 | #include "ViewCell.h"
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| 9 | #include "Polygon3.h"
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| 10 | #include "VssRay.h"
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| 11 | #include "VssTree.h"
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| 12 | #include "VspBspTree.h"
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[1233] | 13 | #include "HierarchyManager.h"
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[712] | 14 | #include "RssTree.h"
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| 15 | #include "Beam.h"
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[1315] | 16 | #include "IntersectableWrapper.h"
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[1344] | 17 | #include "Triangle3.h"
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[712] | 18 |
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[1139] | 19 |
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[863] | 20 | namespace GtpVisibilityPreprocessor {
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[712] | 21 |
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| 22 |
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[1344] | 23 | VrmlExporter::VrmlExporter(const string filename): Exporter(filename)
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[712] | 24 | {
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| 25 | stream.open(mFilename.c_str());
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| 26 | stream<<"#VRML V2.0 utf8"<<endl;
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| 27 | }
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| 28 |
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[1001] | 29 |
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[712] | 30 | VrmlExporter::~VrmlExporter()
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| 31 | {
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| 32 | stream.close();
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| 33 | }
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| 34 |
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| 35 |
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| 36 | bool VrmlExporter::ExportRays(const RayContainer &rays,
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[1001] | 37 | const float length,
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| 38 | const RgbColor &color)
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[712] | 39 | {
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[1047] | 40 | if (rays.empty())
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| 41 | return false;
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[712] | 42 | RayContainer::const_iterator ri = rays.begin();
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| 43 |
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| 44 | stream<<"Shape {"<<endl;
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| 45 | stream<<"appearance Appearance {"<<endl;
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| 46 | stream << "material Material { diffuseColor=\"" << color.r << " " << color.g << " "
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| 47 | << color.b << "}" << endl;
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| 48 | stream<<"}"<<endl;
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| 49 |
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[1020] | 50 | stream<<"geometry IndexedLineSet { coordIndex [" << endl;
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[712] | 51 |
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| 52 | int index = 0;
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| 53 | for (; ri != rays.end(); ri++)
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| 54 | {
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| 55 | stream << index << " " << index + 1 << " -1\n";
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[1047] | 56 | index += 2;
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[712] | 57 | }
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| 58 |
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[1020] | 59 | stream << "]"<<endl;
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[712] | 60 |
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[1020] | 61 | stream << "coord Coordinate { point [" << endl;
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[712] | 62 |
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| 63 | ri = rays.begin();
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| 64 | for (; ri != rays.end(); ri++)
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| 65 | {
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| 66 | Vector3 a = (*ri)->GetLoc();
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| 67 |
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| 68 | Vector3 b;
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| 69 |
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| 70 | if (length < 0)
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| 71 | {
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| 72 | b = (*ri)->GetLoc() - length*(*ri)->GetDir();
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| 73 | }
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| 74 | else
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| 75 | {
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[1047] | 76 | if ((*ri)->intersections.empty())
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[712] | 77 | b = (*ri)->GetLoc() + length*(*ri)->GetDir();
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| 78 | else
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| 79 | b = (*ri)->Extrap((*ri)->intersections[0].mT);
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| 80 | }
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| 81 |
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| 82 | stream << a.x << " " << a.y << " " << a.z << " ,";
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| 83 | stream << b.x << " " << b.y << " " << b.z << " ,\n";
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| 84 | }
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[1020] | 85 | stream << "]" << endl;
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[712] | 86 | stream << "}" << endl;
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| 87 | stream << "}" << endl;
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| 88 | stream << "}" << endl;
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[1047] | 89 |
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[712] | 90 | return true;
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| 91 | }
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| 92 |
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| 93 |
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| 94 | bool VrmlExporter::ExportRays(const VssRayContainer &rays,
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| 95 | const RgbColor &color)
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| 96 | {
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| 97 |
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[1047] | 98 | if (rays.empty())
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[1528] | 99 | {
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[1047] | 100 | return false;
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[1528] | 101 | }
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[1047] | 102 |
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[1528] | 103 | stream << "Shape {" << endl;
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| 104 | stream << "appearance Appearance {" << endl;
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| 105 | stream << "material Material {" << endl;
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| 106 | stream << "diffuseColor " << color.r << " " << color.g << " " << color.b << endl;
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| 107 | stream << "}" << endl; // end material
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| 108 | stream << "}" << endl; // end appearance
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| 109 | stream << "geometry IndexedLineSet { coordIndex [" << endl;
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[1047] | 110 |
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[1528] | 111 | int index = 0;
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| 112 | VssRayContainer::const_iterator ri = rays.begin();
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[712] | 113 |
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[1528] | 114 | for (; ri != rays.end(); ++ ri)
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| 115 | {
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| 116 | stream << index << " " << index + 1 << " -1\n";
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| 117 | index += 2 ;
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| 118 | }
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| 119 |
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| 120 | stream << "]" << endl;
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| 121 | stream << "coord Coordinate { point [" << endl;
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| 122 |
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| 123 | for (ri = rays.begin(); ri != rays.end(); ++ ri)
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| 124 | {
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| 125 | const Vector3 a = (*ri)->GetOrigin();
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| 126 | const Vector3 b = (*ri)->mTerminationObject ? (*ri)->GetTermination() : a + 1000 * Normalize((*ri)->GetDir());
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| 127 |
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[1715] | 128 | #if GTP_DEBUG
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[1528] | 129 | bool isnan = false;
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| 130 | if (!a.CheckValidity())
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| 131 | {
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| 132 | cout << "error a"<<endl;
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| 133 | isnan = true;
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| 134 | }
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[1419] | 135 |
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[1528] | 136 | if (!b.CheckValidity())
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| 137 | {
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| 138 | cout << "error b"<<endl;
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| 139 | isnan = true;
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| 140 | }
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| 141 | if (isnan)
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| 142 | continue;
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[1420] | 143 | #endif
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[1528] | 144 | stream << a.x << " " << a.y << " " << a.z << " ,";
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| 145 | stream << b.x << " " << b.y << " " << b.z << " ,\n";
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| 146 | }
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[1047] | 147 |
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[1528] | 148 | stream << "]" << endl;
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| 149 | stream << "}" << endl;
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| 150 | stream << "}" << endl;
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| 151 | stream << "}" << endl;
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| 152 |
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| 153 | return true;
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[712] | 154 | }
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| 155 |
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| 156 |
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| 157 | void VrmlExporter::ExportSceneNode(SceneGraphNode *node)
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| 158 | {
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| 159 | stream << "Group {" << endl;
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| 160 |
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| 161 | SceneGraphNodeContainer::iterator ni = node->mChildren.begin();
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| 162 |
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| 163 | for (; ni != node->mChildren.end(); ni++)
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| 164 | {
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| 165 | ExportSceneNode(*ni);
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| 166 | }
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| 167 | ObjectContainer::const_iterator mi = node->mGeometry.begin();
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| 168 |
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| 169 | for (; mi != node->mGeometry.end(); mi++)
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| 170 | {
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| 171 | // export the transform...
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| 172 | ExportIntersectable(*mi);
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| 173 | }
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| 174 |
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| 175 | stream<<"</Group>"<<endl;
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| 176 | }
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| 177 |
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[1001] | 178 |
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[712] | 179 | void VrmlExporter::ExportBspLeaves(const BspTree &tree, const int maxPvs)
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| 180 | {
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| 181 | stack<pair<BspNode *, BspNodeGeometry *> > tStack;
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| 182 | ViewCell::NewMail();
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| 183 |
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| 184 | BspNodeGeometry *geom = new BspNodeGeometry();
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| 185 | tree.ConstructGeometry(tree.GetRoot(), *geom);
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| 186 |
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| 187 | tStack.push(pair<BspNode *, BspNodeGeometry *>(tree.GetRoot(), geom));
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| 188 |
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[1121] | 189 | // color code pvs
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[1020] | 190 | if (maxPvs)
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[1121] | 191 | {
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[712] | 192 | mUseForcedMaterial = true;
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[1121] | 193 | }
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| 194 |
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[712] | 195 | while (!tStack.empty())
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| 196 | {
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| 197 | BspNode *node = tStack.top().first;
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| 198 | BspNodeGeometry *cell = tStack.top().second;
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| 199 | tStack.pop();
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| 200 |
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| 201 | if (!node->IsLeaf())
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| 202 | {
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| 203 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
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| 204 |
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| 205 | BspNodeGeometry *front = new BspNodeGeometry();
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| 206 | BspNodeGeometry *back = new BspNodeGeometry();
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| 207 |
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| 208 | cell->SplitGeometry(*front,
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| 209 | *back,
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| 210 | interior->GetPlane(),
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| 211 | tree.GetBoundingBox(),
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| 212 | tree.GetEpsilon());
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| 213 |
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| 214 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetFront(), front));
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| 215 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetBack(), back));
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| 216 | }
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| 217 | else
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| 218 | {
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[1020] | 219 | if (maxPvs)
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[712] | 220 | {
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| 221 | BspLeaf *leaf = dynamic_cast<BspLeaf *>(node);
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| 222 |
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| 223 | mForcedMaterial.mDiffuseColor.b = 1.0f;
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[1707] | 224 | const float importance = (float)leaf->GetViewCell()->GetPvs().EvalPvsCost() / (float)maxPvs;
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[712] | 225 |
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| 226 | mForcedMaterial.mDiffuseColor.r = importance;
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| 227 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
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| 228 | }
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| 229 |
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| 230 | ExportPolygons(cell->GetPolys());
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| 231 | }
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| 232 |
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| 233 | DEL_PTR(cell);
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| 234 | }
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| 235 | }
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| 236 |
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| 237 |
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| 238 | void VrmlExporter::ExportViewCell(ViewCell *viewCell)
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| 239 | {
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| 240 | if (viewCell->GetMesh())
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| 241 | {
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| 242 | ExportMesh(viewCell->GetMesh());
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| 243 | }
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| 244 | }
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| 245 |
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| 246 |
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| 247 | void VrmlExporter::ExportMesh(Mesh *mesh)
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| 248 | {
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| 249 | stream << "Shape {" << endl;
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| 250 | stream << "appearance Appearance {" << endl;
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| 251 |
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| 252 | // $$ tmp -> random material
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| 253 |
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| 254 | float r, g, b;
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| 255 |
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| 256 | if (mUseForcedMaterial)
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| 257 | {
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| 258 | r = mForcedMaterial.mDiffuseColor.r;
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| 259 | g = mForcedMaterial.mDiffuseColor.g;
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| 260 | b = mForcedMaterial.mDiffuseColor.b;
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| 261 |
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| 262 | }
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| 263 | else if (mesh->mMaterial)
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| 264 | {
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| 265 | r = mesh->mMaterial->mDiffuseColor.r;
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| 266 | g = mesh->mMaterial->mDiffuseColor.g;
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| 267 | b = mesh->mMaterial->mDiffuseColor.b;
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| 268 | }
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| 269 | else
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| 270 | {
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| 271 | r = RandomValue(0.5, 1.0);
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| 272 | g = RandomValue(0.5, 1.0);
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| 273 | b = RandomValue(0.5, 1.0);
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| 274 | }
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| 275 |
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| 276 | stream << "material Material {" << endl;
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| 277 | stream << "diffuseColor " << r << " " << g << " " << b << endl;
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| 278 | stream << "specularColor 0.0 0.0 0.0" << endl;
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| 279 |
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| 280 | stream << "}" << endl; // end material
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| 281 | stream << "}" << endl; // end apperance
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[1001] | 282 |
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[712] | 283 |
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| 284 | // wireframe modes => set indexed lines
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| 285 | if (mWireframe)
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| 286 | {
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| 287 | stream << "geometry IndexedLineSet {" << endl;
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| 288 | }
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| 289 | else
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| 290 | {
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| 291 | //stream<<"<IndexedFaceSet ccw=\"TRUE\" coordIndex=\""<<endl;
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| 292 | stream << "geometry IndexedFaceSet {" << endl;
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| 293 | }
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| 294 |
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| 295 |
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| 296 | stream << "coordIndex [" << endl;
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| 297 |
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| 298 | FaceContainer::const_iterator fi = mesh->mFaces.begin();
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| 299 |
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| 300 | int index = 0;
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| 301 |
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| 302 | for (; fi != mesh->mFaces.end(); fi++)
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| 303 | {
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| 304 | Face *face = *fi;
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[1001] | 305 |
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[712] | 306 | VertexIndexContainer::const_iterator vi = face->mVertexIndices.begin();
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[1001] | 307 |
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| 308 | for (; vi != face->mVertexIndices.end(); ++ vi)
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[712] | 309 | {
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| 310 | stream << *vi << " ";
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| 311 | }
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| 312 |
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| 313 | if (mWireframe) // final line to finish polygon
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| 314 | {
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| 315 | stream << (*face->mVertexIndices.begin()) << " ";
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| 316 | }
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| 317 |
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| 318 | stream << "-1" << endl;
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| 319 | }
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| 320 |
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| 321 | stream << "]" << endl; // end coordIndex
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| 322 |
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[1001] | 323 |
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[712] | 324 | stream << "coord Coordinate {" << endl;
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| 325 | stream << "point [" << endl;
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| 326 |
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| 327 | VertexContainer::const_iterator vi = mesh->mVertices.begin();
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| 328 |
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| 329 | for (; vi != mesh->mVertices.end(); vi++)
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| 330 | {
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| 331 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
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| 332 | stream << "," << endl;
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| 333 | }
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| 334 |
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| 335 | stream << "]" << endl; // end point
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| 336 | stream << "}" << endl; // end coord
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| 337 | stream << "}" << endl; // end geometry
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| 338 |
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| 339 | stream << "}" << endl; // end shape
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| 340 | }
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| 341 |
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| 342 |
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| 343 | void VrmlExporter::ExportPolygon(Polygon3 *poly)
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| 344 | {
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| 345 | stream << "Shape {" << endl;
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| 346 | stream << "appearance Appearance {" << endl;
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| 347 |
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| 348 | // $$ tmp -> random material
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| 349 | float r, g, b;
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| 350 |
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| 351 | if (mUseForcedMaterial)
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| 352 | {
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| 353 | r = mForcedMaterial.mDiffuseColor.r;
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| 354 | g = mForcedMaterial.mDiffuseColor.g;
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| 355 | b = mForcedMaterial.mDiffuseColor.b;
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| 356 | }
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| 357 | else if (poly->mMaterial)
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| 358 | {
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| 359 | r = poly->mMaterial->mDiffuseColor.r;
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| 360 | g = poly->mMaterial->mDiffuseColor.g;
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| 361 | b = poly->mMaterial->mDiffuseColor.b;
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| 362 | }
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| 363 | else
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| 364 | {
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| 365 | r = RandomValue(0.5, 1.0);
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| 366 | g = RandomValue(0.5, 1.0);
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| 367 | b = RandomValue(0.5, 1.0);
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| 368 | }
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| 369 |
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| 370 | stream << "material Material {" << endl;
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| 371 | stream << "diffuseColor " << r << " " << g << " " << b << endl;
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| 372 | stream << "specularColor 0.0 0.0 0.0" << endl;
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| 373 |
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| 374 | stream << "}" << endl; // end material
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| 375 | stream << "}" << endl; // end apperance
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[1001] | 376 |
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[712] | 377 |
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| 378 | // wireframe modes => set indexed lines
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| 379 | if (mWireframe)
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| 380 | {
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| 381 | stream << "geometry IndexedLineSet {" << endl;
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| 382 | }
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| 383 | else
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| 384 | {
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| 385 | //stream<<"<IndexedFaceSet ccw=\"TRUE\" coordIndex=\""<<endl;
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| 386 | stream << "geometry IndexedFaceSet {" << endl;
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| 387 | }
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| 388 |
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| 389 |
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| 390 | stream << "coordIndex [" << endl;
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| 391 |
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| 392 |
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| 393 | int index = 0;
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| 394 |
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| 395 | VertexContainer::const_iterator vi;
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| 396 |
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| 397 | for (index = 0; index < (int)poly->mVertices.size(); ++ index)
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| 398 | {
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| 399 | stream << index << " ";
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| 400 | }
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| 401 |
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| 402 | if (mWireframe) // final line to finish polygon
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| 403 | {
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| 404 | stream << "0 ";
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| 405 | }
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| 406 |
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| 407 | stream << "-1" << endl;
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| 408 |
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| 409 | stream << "]" << endl; // end coordIndex
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| 410 |
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| 411 |
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| 412 | stream << "coord Coordinate {" << endl;
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| 413 | stream << "point [" << endl;
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| 414 |
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| 415 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
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| 416 | {
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| 417 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
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| 418 | stream << "," << endl;
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| 419 | }
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| 420 |
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| 421 | stream << "]" << endl; // end point
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| 422 | stream << "}" << endl; // end coord
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| 423 | stream << "}" << endl; // end geometry
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| 424 |
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| 425 | stream << "}" << endl; // end shape
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| 426 | }
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| 427 |
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| 428 |
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| 429 | void VrmlExporter::ExportPolygons(const PolygonContainer &polys)
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| 430 | {
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| 431 | stream << "Shape {" << endl;
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| 432 | stream << "appearance Appearance {" << endl;
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| 433 |
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| 434 | // $$ tmp -> random material
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| 435 |
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| 436 | float r, g, b;
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| 437 |
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| 438 | if (mUseForcedMaterial)
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| 439 | {
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| 440 | r = mForcedMaterial.mDiffuseColor.r;
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| 441 | g = mForcedMaterial.mDiffuseColor.g;
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| 442 | b = mForcedMaterial.mDiffuseColor.b;
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| 443 | }
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| 444 | else
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| 445 | {
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| 446 | r = RandomValue(0.5, 1.0);
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| 447 | g = RandomValue(0.5, 1.0);
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| 448 | b = RandomValue(0.5, 1.0);
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| 449 | }
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| 450 |
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| 451 | stream << "material Material {" << endl;
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| 452 | stream << "diffuseColor " << r << " " << g << " " << b << endl;
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| 453 | stream << "specularColor 0.0 0.0 0.0" << endl;
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| 454 |
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| 455 | stream << "}" << endl; // end material
|
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| 456 | stream << "}" << endl; // end apperance
|
---|
| 457 |
|
---|
| 458 | // wireframe modes => set indexed lines
|
---|
| 459 | if (mWireframe)
|
---|
| 460 | {
|
---|
| 461 | stream << "geometry IndexedLineSet {" << endl;
|
---|
| 462 | }
|
---|
| 463 | else
|
---|
| 464 | {
|
---|
| 465 | //stream<<"<IndexedFaceSet ccw=\"TRUE\" coordIndex=\""<<endl;
|
---|
| 466 | stream << "geometry IndexedFaceSet {" << endl;
|
---|
| 467 | }
|
---|
| 468 |
|
---|
| 469 | stream << "coordIndex [" << endl;
|
---|
| 470 |
|
---|
| 471 | int index = 0;
|
---|
| 472 |
|
---|
| 473 | PolygonContainer::const_iterator pit;
|
---|
| 474 |
|
---|
| 475 | VertexContainer::const_iterator vi;
|
---|
| 476 |
|
---|
| 477 | for (pit = polys.begin(); pit != polys.end(); ++ pit)
|
---|
| 478 | {
|
---|
| 479 | Polygon3 *poly = *pit;
|
---|
| 480 | int startIdx = index;
|
---|
| 481 |
|
---|
| 482 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
| 483 | {
|
---|
| 484 | stream << index ++ << " ";
|
---|
| 485 | }
|
---|
| 486 |
|
---|
| 487 | stream << startIdx << " ";// finish line
|
---|
| 488 | stream << "-1" << endl;
|
---|
| 489 | }
|
---|
| 490 |
|
---|
| 491 | stream << "]" << endl; // end coordIndex
|
---|
| 492 |
|
---|
| 493 | stream << "coord Coordinate {" << endl;
|
---|
| 494 | stream << "point [" << endl;
|
---|
| 495 |
|
---|
| 496 |
|
---|
| 497 | for (pit = polys.begin(); pit != polys.end(); ++ pit)
|
---|
| 498 | {
|
---|
| 499 | Polygon3 *poly = *pit;
|
---|
| 500 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
| 501 | {
|
---|
| 502 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
|
---|
| 503 | stream << "," << endl;
|
---|
| 504 | }
|
---|
| 505 | }
|
---|
| 506 |
|
---|
| 507 | stream << "]" << endl; // end point
|
---|
| 508 | stream << "}" << endl; // end coord
|
---|
| 509 | stream << "}" << endl; // end geometry
|
---|
| 510 |
|
---|
| 511 | stream << "}" << endl; // end shape
|
---|
| 512 | }
|
---|
| 513 |
|
---|
| 514 |
|
---|
| 515 | bool VrmlExporter::ExportBox(const AxisAlignedBox3 &box)
|
---|
| 516 | {
|
---|
| 517 | Mesh *mesh = new Mesh;
|
---|
| 518 |
|
---|
| 519 | // add 8 vertices of the box
|
---|
| 520 | int index = (int)mesh->mVertices.size();
|
---|
| 521 |
|
---|
| 522 | for (int i=0; i < 8; i++)
|
---|
| 523 | {
|
---|
| 524 | Vector3 v;
|
---|
| 525 | box.GetVertex(i, v);
|
---|
| 526 | mesh->mVertices.push_back(v);
|
---|
| 527 | }
|
---|
| 528 |
|
---|
| 529 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
| 530 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
| 531 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
| 532 |
|
---|
| 533 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
| 534 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
| 535 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
| 536 |
|
---|
| 537 | ExportMesh(mesh);
|
---|
| 538 |
|
---|
| 539 | delete mesh;
|
---|
| 540 |
|
---|
| 541 | return true;
|
---|
| 542 | }
|
---|
| 543 |
|
---|
| 544 | bool VrmlExporter::ExportBspTree(const BspTree &tree)
|
---|
| 545 | {
|
---|
| 546 | if (mExportRayDensity)
|
---|
| 547 | {
|
---|
| 548 | return ExportBspTreeRayDensity(tree);
|
---|
| 549 | }
|
---|
| 550 |
|
---|
| 551 | bool savedWireframe = mWireframe;
|
---|
| 552 |
|
---|
| 553 | SetWireframe();
|
---|
| 554 |
|
---|
| 555 | ExportBox(tree.GetBoundingBox());
|
---|
| 556 |
|
---|
| 557 | if (!savedWireframe)
|
---|
| 558 | SetFilled();
|
---|
| 559 |
|
---|
| 560 | // export view cells
|
---|
| 561 | ExportBspLeaves(tree);
|
---|
| 562 |
|
---|
| 563 | return true;
|
---|
| 564 | }
|
---|
| 565 |
|
---|
| 566 |
|
---|
[1197] | 567 | bool VrmlExporter::ExportKdTree(const KdTree &tree, const bool exportGeometry)
|
---|
[712] | 568 | {
|
---|
| 569 | if (mExportRayDensity)
|
---|
| 570 | {
|
---|
| 571 | return ExportKdTreeRayDensity(tree);
|
---|
| 572 | }
|
---|
| 573 |
|
---|
| 574 | stack<KdNode *> tStack;
|
---|
| 575 |
|
---|
| 576 | tStack.push(tree.GetRoot());
|
---|
| 577 |
|
---|
| 578 | Mesh *mesh = new Mesh;
|
---|
| 579 |
|
---|
| 580 | while (!tStack.empty())
|
---|
| 581 | {
|
---|
| 582 | KdNode *node = tStack.top();
|
---|
[1106] | 583 |
|
---|
[712] | 584 | tStack.pop();
|
---|
[1106] | 585 |
|
---|
[712] | 586 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
| 587 | // add 6 vertices of the box
|
---|
| 588 | int index = (int)mesh->mVertices.size();
|
---|
[1106] | 589 |
|
---|
[712] | 590 | for (int i=0; i < 8; i++)
|
---|
| 591 | {
|
---|
| 592 | Vector3 v;
|
---|
| 593 | box.GetVertex(i, v);
|
---|
| 594 | mesh->mVertices.push_back(v);
|
---|
| 595 | }
|
---|
| 596 |
|
---|
| 597 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
| 598 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
| 599 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
| 600 |
|
---|
[1106] | 601 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
| 602 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
| 603 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
[712] | 604 |
|
---|
[1106] | 605 | if (!node->IsLeaf())
|
---|
| 606 | {
|
---|
| 607 | KdInterior *interior = (KdInterior *)node;
|
---|
| 608 | tStack.push(interior->mFront);
|
---|
| 609 | tStack.push(interior->mBack);
|
---|
| 610 | }
|
---|
| 611 | }
|
---|
[712] | 612 |
|
---|
[1106] | 613 | ExportMesh(mesh);
|
---|
| 614 |
|
---|
| 615 | delete mesh;
|
---|
| 616 | return true;
|
---|
[712] | 617 | }
|
---|
| 618 |
|
---|
[1106] | 619 |
|
---|
[712] | 620 | bool VrmlExporter::ExportVssTree(const VssTree &tree)
|
---|
| 621 | {
|
---|
| 622 | stack<VssTreeNode *> tStack;
|
---|
| 623 |
|
---|
| 624 | tStack.push(tree.GetRoot());
|
---|
| 625 |
|
---|
| 626 | Mesh *mesh = new Mesh;
|
---|
| 627 | VssRayContainer rays;
|
---|
| 628 |
|
---|
| 629 | while (!tStack.empty())
|
---|
| 630 | {
|
---|
| 631 | VssTreeNode *node = tStack.top();
|
---|
| 632 |
|
---|
| 633 | tStack.pop();
|
---|
| 634 |
|
---|
| 635 | if (!node->IsLeaf())
|
---|
| 636 | {
|
---|
| 637 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
| 638 |
|
---|
| 639 | tStack.push(interior->front);
|
---|
| 640 | tStack.push(interior->back);
|
---|
| 641 | }
|
---|
| 642 | else
|
---|
| 643 | {
|
---|
| 644 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
| 645 | AxisAlignedBox3 box;
|
---|
| 646 | box = tree.GetBBox(leaf);
|
---|
[860] | 647 | IncludeBoxInMesh(box, *mesh);
|
---|
[712] | 648 |
|
---|
| 649 | if (tree.ValidLeaf(leaf))
|
---|
| 650 | {
|
---|
| 651 | Vector3 origin = box.Center();
|
---|
| 652 | box = tree.GetDirBBox(leaf);
|
---|
| 653 | VssRay *ray;
|
---|
| 654 |
|
---|
[1004] | 655 | const int indices[][2] = {{0,0}, {0,1}, {1,1}, {1,0}};
|
---|
[712] | 656 | MeshInstance dummy(mesh);
|
---|
| 657 | for (int i=0; i < 4; i++)
|
---|
| 658 | {
|
---|
| 659 | // Vector3 v = box.GetVertex(indices[i][0], indices[i][1], 0);
|
---|
| 660 | Vector3 v = box.Center();
|
---|
| 661 |
|
---|
| 662 | Vector3 direction = VssRay::GetDirection(v.x, v.y);
|
---|
| 663 | if (Magnitude(direction) > Limits::Small)
|
---|
| 664 | {
|
---|
| 665 | direction.Normalize();
|
---|
| 666 | }
|
---|
| 667 | else
|
---|
| 668 | {
|
---|
| 669 | direction = Vector3(0, 1, 0);
|
---|
| 670 | }
|
---|
| 671 |
|
---|
| 672 | const float k = 100.0f * leaf->GetImportance();
|
---|
| 673 |
|
---|
| 674 |
|
---|
| 675 | // get 4 corners of the ray directions
|
---|
| 676 | ray = new VssRay(origin, origin + (direction * k), NULL, &dummy);
|
---|
| 677 | rays.push_back(ray);
|
---|
| 678 | }
|
---|
| 679 | }
|
---|
| 680 | }
|
---|
| 681 | }
|
---|
| 682 |
|
---|
| 683 | ExportMesh(mesh);
|
---|
| 684 | ExportRays(rays);
|
---|
| 685 | CLEAR_CONTAINER(rays);
|
---|
| 686 |
|
---|
| 687 | delete mesh;
|
---|
| 688 | return true;
|
---|
| 689 | }
|
---|
| 690 |
|
---|
| 691 |
|
---|
| 692 | bool VrmlExporter::ExportVssTree2(const VssTree &tree,
|
---|
| 693 | const Vector3 direction)
|
---|
| 694 | {
|
---|
| 695 | stack<VssTreeNode *> tStack;
|
---|
| 696 |
|
---|
| 697 | mUseForcedMaterial = true;
|
---|
| 698 |
|
---|
| 699 | Vector3 dirParam;
|
---|
| 700 |
|
---|
| 701 | dirParam.x = VssRay::GetDirParam(0, Normalize(direction));
|
---|
| 702 | dirParam.y = VssRay::GetDirParam(1, Normalize(direction));
|
---|
| 703 |
|
---|
| 704 | float maxImportance = 0.0f;
|
---|
| 705 |
|
---|
| 706 | tStack.push(tree.GetRoot());
|
---|
| 707 |
|
---|
| 708 | while (!tStack.empty())
|
---|
| 709 | {
|
---|
| 710 | VssTreeNode *node = tStack.top();
|
---|
| 711 | tStack.pop();
|
---|
| 712 |
|
---|
| 713 | if (!node->IsLeaf())
|
---|
| 714 | {
|
---|
| 715 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
| 716 |
|
---|
| 717 | if (interior->axis < 3)
|
---|
| 718 | {
|
---|
| 719 | tStack.push(interior->front);
|
---|
| 720 | tStack.push(interior->back);
|
---|
| 721 | }
|
---|
| 722 | else
|
---|
| 723 | {
|
---|
| 724 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 725 | tStack.push(interior->back);
|
---|
| 726 | else
|
---|
| 727 | tStack.push(interior->front);
|
---|
| 728 | }
|
---|
| 729 | }
|
---|
| 730 | else
|
---|
| 731 | {
|
---|
| 732 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
| 733 |
|
---|
| 734 | if (tree.ValidLeaf(leaf))
|
---|
| 735 | {
|
---|
| 736 | float i = leaf->GetImportance();
|
---|
| 737 |
|
---|
| 738 | if (i > maxImportance)
|
---|
| 739 | maxImportance = i;
|
---|
| 740 | }
|
---|
| 741 | }
|
---|
| 742 | }
|
---|
| 743 |
|
---|
| 744 | tStack.push(tree.GetRoot());
|
---|
| 745 |
|
---|
| 746 | while (!tStack.empty())
|
---|
| 747 | {
|
---|
| 748 | VssTreeNode *node = tStack.top();
|
---|
| 749 | tStack.pop();
|
---|
| 750 |
|
---|
| 751 | if (!node->IsLeaf())
|
---|
| 752 | {
|
---|
| 753 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
| 754 |
|
---|
| 755 | if (interior->axis < 3)
|
---|
| 756 | {
|
---|
| 757 | tStack.push(interior->front);
|
---|
| 758 | tStack.push(interior->back);
|
---|
| 759 | }
|
---|
| 760 | else
|
---|
| 761 | {
|
---|
| 762 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 763 | tStack.push(interior->back);
|
---|
| 764 | else
|
---|
| 765 | tStack.push(interior->front);
|
---|
| 766 | }
|
---|
| 767 | }
|
---|
| 768 | else
|
---|
| 769 | {
|
---|
| 770 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
| 771 |
|
---|
| 772 | if (tree.ValidLeaf(leaf))
|
---|
| 773 | {
|
---|
| 774 | AxisAlignedBox3 box;
|
---|
| 775 | box = tree.GetBBox(leaf);
|
---|
| 776 | Mesh *mesh = new Mesh;
|
---|
[860] | 777 | IncludeBoxInMesh(box, *mesh);
|
---|
[712] | 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 |
|
---|
| 797 | bool VrmlExporter::ExportBspTreeRayDensity(const BspTree &tree)
|
---|
| 798 | {
|
---|
| 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();
|
---|
| 818 | #if 0
|
---|
| 819 | // set the mesh material according to the ray density
|
---|
| 820 | if (vc->mPassingRays.mRays)
|
---|
| 821 | {
|
---|
| 822 | float importance =
|
---|
| 823 | vc->mPassingRays.mContributions / (float)vc->mPassingRays.mRays;
|
---|
| 824 |
|
---|
| 825 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
| 826 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 827 | ExportViewCell(vc);
|
---|
| 828 |
|
---|
| 829 | }
|
---|
| 830 | #endif
|
---|
| 831 | }
|
---|
| 832 | else
|
---|
| 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 |
|
---|
| 843 | return true;
|
---|
| 844 | }
|
---|
| 845 |
|
---|
| 846 |
|
---|
| 847 | bool VrmlExporter::ExportKdTreeRayDensity(const KdTree &tree)
|
---|
| 848 | {
|
---|
| 849 | stack<KdNode *> tStack;
|
---|
| 850 |
|
---|
| 851 | tStack.push(tree.GetRoot());
|
---|
| 852 |
|
---|
| 853 | bool fm = mUseForcedMaterial;
|
---|
| 854 |
|
---|
| 855 | mUseForcedMaterial = true;
|
---|
| 856 |
|
---|
| 857 | mForcedMaterial.mDiffuseColor.g = 1.0f;
|
---|
| 858 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 859 |
|
---|
| 860 |
|
---|
| 861 | while (!tStack.empty())
|
---|
| 862 | {
|
---|
| 863 | KdNode *node = tStack.top();
|
---|
| 864 | tStack.pop();
|
---|
| 865 |
|
---|
| 866 | if (node->IsLeaf())
|
---|
| 867 | {
|
---|
| 868 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
| 869 | Mesh *mesh = new Mesh;
|
---|
| 870 |
|
---|
| 871 | // add 6 vertices of the box
|
---|
| 872 | int index = (int)mesh->mVertices.size();
|
---|
| 873 | for (int i=0; i < 8; i++)
|
---|
| 874 | {
|
---|
| 875 | Vector3 v;
|
---|
| 876 | box.GetVertex(i, v);
|
---|
| 877 | mesh->mVertices.push_back(v);
|
---|
| 878 | }
|
---|
| 879 |
|
---|
| 880 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
| 881 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
| 882 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
| 883 |
|
---|
| 884 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
| 885 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
| 886 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
| 887 |
|
---|
| 888 | // set the mesh material according to the ray density
|
---|
| 889 | KdLeaf *leaf = (KdLeaf *) node;
|
---|
| 890 |
|
---|
| 891 | if (leaf->mPassingRays.mRays)
|
---|
| 892 | {
|
---|
| 893 | const float importance =
|
---|
| 894 | leaf->mPassingRays.mContributions/(float)leaf->mPassingRays.mRays;
|
---|
| 895 | // float importance = leaf->mPassingRays.mContributions/1000.0f;
|
---|
| 896 | // float importance = leaf->mPassingRays.mRays/1000.0f;
|
---|
| 897 | ///(float)leaf->mPassingRays.mRays;
|
---|
| 898 | // mForcedMaterial.mDiffuseColor.r = log10(leaf->mPassingRays.mRays)/3.0f;
|
---|
| 899 |
|
---|
| 900 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
| 901 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 902 |
|
---|
| 903 | ExportMesh(mesh);
|
---|
| 904 | }
|
---|
| 905 |
|
---|
| 906 | delete mesh;
|
---|
| 907 | }
|
---|
| 908 | else
|
---|
| 909 | {
|
---|
| 910 | KdInterior *interior = (KdInterior *)node;
|
---|
| 911 | tStack.push(interior->mFront);
|
---|
| 912 | tStack.push(interior->mBack);
|
---|
| 913 | }
|
---|
| 914 | }
|
---|
| 915 |
|
---|
| 916 | // restore the state of forced material
|
---|
| 917 | mUseForcedMaterial = fm;
|
---|
| 918 |
|
---|
| 919 | return true;
|
---|
| 920 | }
|
---|
| 921 |
|
---|
| 922 |
|
---|
| 923 | struct BspSplitData
|
---|
| 924 | {
|
---|
| 925 | /// the current node
|
---|
| 926 | BspNode *mNode;
|
---|
| 927 |
|
---|
| 928 | vector<Plane3> mPlanes;
|
---|
| 929 | vector<bool> mSides;
|
---|
| 930 | bool mIsFront;
|
---|
| 931 | int mDepth;
|
---|
| 932 |
|
---|
| 933 | BspSplitData(BspNode *node):
|
---|
| 934 | mNode(node), mIsFront(false), mDepth(0)
|
---|
| 935 | {};
|
---|
| 936 |
|
---|
| 937 | BspSplitData(BspNode *node,
|
---|
| 938 | vector<Plane3> planes,
|
---|
| 939 | vector<bool> sides,
|
---|
| 940 | const bool isFront,
|
---|
| 941 | const int depth):
|
---|
| 942 | mNode(node), mPlanes(planes), mSides(sides),
|
---|
| 943 | mIsFront(isFront), mDepth(depth)
|
---|
| 944 | {};
|
---|
| 945 | };
|
---|
| 946 |
|
---|
| 947 |
|
---|
| 948 | void VrmlExporter::ExportLeavesGeometry(const BspTree &tree,
|
---|
| 949 | const vector<BspLeaf *> &leaves)
|
---|
| 950 | {
|
---|
| 951 | vector<BspLeaf *>::const_iterator it, it_end = leaves.end();
|
---|
| 952 |
|
---|
| 953 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
| 954 | {
|
---|
| 955 | BspNodeGeometry geom;
|
---|
| 956 | tree.ConstructGeometry(*it, geom);
|
---|
| 957 |
|
---|
| 958 | ExportPolygons(geom.GetPolys());
|
---|
| 959 | }
|
---|
| 960 | }
|
---|
| 961 |
|
---|
| 962 |
|
---|
| 963 | void VrmlExporter::ExportBspNodeSplits(BspNode *root,
|
---|
| 964 | const AxisAlignedBox3 &box,
|
---|
| 965 | const bool exportDepth,
|
---|
| 966 | const bool epsilon)
|
---|
| 967 | {
|
---|
| 968 | std::stack<BspSplitData> tStack;
|
---|
| 969 |
|
---|
| 970 | BspSplitData tData(root);
|
---|
| 971 | tStack.push(tData);
|
---|
| 972 |
|
---|
| 973 | PolygonContainer polys;
|
---|
| 974 | vector <int> depths;
|
---|
| 975 |
|
---|
| 976 | int maxDepth = 0;
|
---|
| 977 |
|
---|
| 978 | while (!tStack.empty())
|
---|
| 979 | {
|
---|
| 980 | // filter polygons donw the tree
|
---|
| 981 | BspSplitData tData = tStack.top();
|
---|
| 982 | tStack.pop();
|
---|
| 983 |
|
---|
| 984 | if (tData.mNode->IsLeaf())
|
---|
| 985 | {
|
---|
| 986 | if (tData.mDepth > maxDepth)
|
---|
| 987 | maxDepth = tData.mDepth;
|
---|
| 988 | }
|
---|
| 989 | else
|
---|
| 990 | {
|
---|
| 991 | BspInterior *interior = dynamic_cast<BspInterior *>(tData.mNode);
|
---|
| 992 |
|
---|
| 993 | // add current side of split plane
|
---|
| 994 | if (tData.mNode != root)
|
---|
| 995 | tData.mSides.push_back(tData.mIsFront);
|
---|
| 996 |
|
---|
| 997 | // bounded plane is added to the polygons
|
---|
| 998 | Polygon3 *planePoly =
|
---|
| 999 | box.CrossSection(interior->GetPlane());
|
---|
| 1000 |
|
---|
| 1001 | // do all the splits with the previous planes
|
---|
| 1002 | for (int i = 0; i < (int)tData.mPlanes.size(); ++ i)
|
---|
| 1003 | {
|
---|
| 1004 | if (planePoly->ClassifyPlane(tData.mPlanes[i], epsilon)
|
---|
| 1005 | == Polygon3::SPLIT)
|
---|
| 1006 | {
|
---|
| 1007 | Polygon3 *frontPoly = new Polygon3();
|
---|
| 1008 | Polygon3 *backPoly = new Polygon3();
|
---|
| 1009 |
|
---|
| 1010 | planePoly->Split(tData.mPlanes[i],
|
---|
| 1011 | *frontPoly,
|
---|
| 1012 | *backPoly,
|
---|
| 1013 | epsilon);
|
---|
| 1014 |
|
---|
| 1015 | DEL_PTR(planePoly);
|
---|
| 1016 |
|
---|
| 1017 | if(tData.mSides[i] == true)
|
---|
| 1018 | {
|
---|
| 1019 | planePoly = frontPoly;
|
---|
| 1020 | DEL_PTR(backPoly);
|
---|
| 1021 | }
|
---|
| 1022 | else
|
---|
| 1023 | {
|
---|
| 1024 | planePoly = backPoly;
|
---|
| 1025 | DEL_PTR(frontPoly);
|
---|
| 1026 | }
|
---|
| 1027 | }
|
---|
| 1028 | }
|
---|
| 1029 |
|
---|
| 1030 | tData.mPlanes.push_back(interior->GetPlane()); // add plane to split planes
|
---|
| 1031 |
|
---|
| 1032 | if (planePoly->Valid(epsilon))
|
---|
| 1033 | {
|
---|
| 1034 | polys.push_back(planePoly);
|
---|
| 1035 | depths.push_back(tData.mDepth);
|
---|
| 1036 | }
|
---|
| 1037 | else
|
---|
| 1038 | DEL_PTR(planePoly);
|
---|
| 1039 |
|
---|
| 1040 | // push the children on the stack
|
---|
| 1041 | tStack.push(BspSplitData(interior->GetFront(), tData.mPlanes,
|
---|
| 1042 | tData.mSides, true, tData.mDepth + 1));
|
---|
| 1043 | tStack.push(BspSplitData(interior->GetBack(), tData.mPlanes,
|
---|
| 1044 | tData.mSides, false, tData.mDepth + 1));
|
---|
| 1045 | }
|
---|
| 1046 | }
|
---|
| 1047 |
|
---|
| 1048 | if (maxDepth > 0)
|
---|
| 1049 | {
|
---|
| 1050 | mUseForcedMaterial = true;
|
---|
| 1051 |
|
---|
| 1052 | for (int i = 0; i < (int)polys.size(); ++ i)
|
---|
| 1053 | {
|
---|
| 1054 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 1055 | float importance = (float)depths[i]/ (float)maxDepth;
|
---|
| 1056 |
|
---|
| 1057 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
| 1058 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 1059 |
|
---|
| 1060 | ExportPolygon(polys[i]);
|
---|
| 1061 | }
|
---|
| 1062 | }
|
---|
| 1063 | else
|
---|
| 1064 | {
|
---|
| 1065 | ExportPolygons(polys);
|
---|
| 1066 | }
|
---|
| 1067 |
|
---|
| 1068 | CLEAR_CONTAINER(polys);
|
---|
| 1069 | }
|
---|
| 1070 |
|
---|
| 1071 |
|
---|
| 1072 | void VrmlExporter::ExportBspSplits(const BspTree &tree,
|
---|
| 1073 | const bool exportDepth)
|
---|
| 1074 | {
|
---|
| 1075 | ExportBspNodeSplits(tree.GetRoot(),
|
---|
| 1076 | tree.GetBoundingBox(),
|
---|
| 1077 | exportDepth,
|
---|
| 1078 | tree.GetEpsilon());
|
---|
| 1079 | }
|
---|
| 1080 |
|
---|
| 1081 |
|
---|
| 1082 | void VrmlExporter::ExportBspSplits(const VspBspTree &tree,
|
---|
| 1083 | const bool exportDepth)
|
---|
| 1084 | {
|
---|
| 1085 | ExportBspNodeSplits(tree.GetRoot(),
|
---|
| 1086 | tree.GetBoundingBox(),
|
---|
| 1087 | exportDepth,
|
---|
| 1088 | tree.GetEpsilon());
|
---|
| 1089 | }
|
---|
| 1090 |
|
---|
| 1091 |
|
---|
| 1092 | void VrmlExporter::ExportBspSplitPlanes(const BspTree &tree)
|
---|
| 1093 | {
|
---|
| 1094 | std::stack<BspNode *> tStack;
|
---|
| 1095 |
|
---|
| 1096 | tStack.push(tree.GetRoot());
|
---|
| 1097 |
|
---|
| 1098 | PolygonContainer polys;
|
---|
| 1099 |
|
---|
| 1100 | while (!tStack.empty())
|
---|
| 1101 | {
|
---|
| 1102 | // filter polygons donw the tree
|
---|
| 1103 | BspNode *node = tStack.top();
|
---|
| 1104 | tStack.pop();
|
---|
| 1105 |
|
---|
| 1106 | if (!node->IsLeaf())
|
---|
| 1107 | {
|
---|
| 1108 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
|
---|
| 1109 |
|
---|
| 1110 | // bounded plane is added to the polygons
|
---|
| 1111 | polys.push_back(tree.GetBoundingBox().CrossSection(interior->GetPlane()));
|
---|
| 1112 |
|
---|
| 1113 | // push the children on the stack
|
---|
| 1114 | tStack.push(interior->GetBack());
|
---|
| 1115 | tStack.push(interior->GetFront());
|
---|
| 1116 | }
|
---|
| 1117 | }
|
---|
| 1118 |
|
---|
| 1119 | ExportPolygons(polys);
|
---|
| 1120 | CLEAR_CONTAINER(polys);
|
---|
| 1121 | }
|
---|
| 1122 |
|
---|
| 1123 |
|
---|
| 1124 | bool VrmlExporter::ExportRssTree2(const RssTree &tree,
|
---|
| 1125 | const Vector3 direction)
|
---|
| 1126 | {
|
---|
| 1127 | stack<RssTreeNode *> tStack;
|
---|
| 1128 |
|
---|
| 1129 |
|
---|
| 1130 | mUseForcedMaterial = true;
|
---|
| 1131 |
|
---|
| 1132 | Vector3 dirParam;
|
---|
| 1133 |
|
---|
| 1134 | dirParam.x = VssRay::GetDirParam(0, Normalize(direction));
|
---|
| 1135 | dirParam.y = VssRay::GetDirParam(1, Normalize(direction));
|
---|
| 1136 |
|
---|
| 1137 | float maxImportance = 0.0f;
|
---|
| 1138 | tStack.push(tree.GetRoot());
|
---|
| 1139 | while (!tStack.empty()) {
|
---|
| 1140 |
|
---|
| 1141 | RssTreeNode *node = tStack.top();
|
---|
| 1142 | tStack.pop();
|
---|
| 1143 |
|
---|
| 1144 | if (!node->IsLeaf()) {
|
---|
| 1145 | RssTreeInterior *interior = (RssTreeInterior *)node;
|
---|
| 1146 | if (interior->axis < 3) {
|
---|
| 1147 | tStack.push(interior->front);
|
---|
| 1148 | tStack.push(interior->back);
|
---|
| 1149 | } else {
|
---|
| 1150 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 1151 | tStack.push(interior->back);
|
---|
| 1152 | else
|
---|
| 1153 | tStack.push(interior->front);
|
---|
| 1154 | }
|
---|
| 1155 | } else {
|
---|
| 1156 | RssTreeLeaf *leaf = (RssTreeLeaf *)node;
|
---|
| 1157 | if (tree.ValidLeaf(leaf)) {
|
---|
| 1158 | float i = leaf->GetImportance();
|
---|
| 1159 | if (i > maxImportance)
|
---|
| 1160 | maxImportance = i;
|
---|
| 1161 | }
|
---|
| 1162 | }
|
---|
| 1163 | }
|
---|
| 1164 |
|
---|
| 1165 | tStack.push(tree.GetRoot());
|
---|
| 1166 | while (!tStack.empty()) {
|
---|
| 1167 |
|
---|
| 1168 | RssTreeNode *node = tStack.top();
|
---|
| 1169 | tStack.pop();
|
---|
| 1170 |
|
---|
| 1171 |
|
---|
| 1172 | if (!node->IsLeaf()) {
|
---|
| 1173 | RssTreeInterior *interior = (RssTreeInterior *)node;
|
---|
| 1174 | if (interior->axis < 3) {
|
---|
| 1175 | tStack.push(interior->front);
|
---|
| 1176 | tStack.push(interior->back);
|
---|
| 1177 | } else {
|
---|
| 1178 | if (dirParam[interior->axis-3] < interior->position)
|
---|
| 1179 | tStack.push(interior->back);
|
---|
| 1180 | else
|
---|
| 1181 | tStack.push(interior->front);
|
---|
| 1182 | }
|
---|
| 1183 | } else {
|
---|
| 1184 | RssTreeLeaf *leaf = (RssTreeLeaf *)node;
|
---|
| 1185 | if (tree.ValidLeaf(leaf)) {
|
---|
| 1186 | AxisAlignedBox3 box;
|
---|
| 1187 | box = tree.GetShrankedBBox(leaf);
|
---|
| 1188 | Mesh *mesh = new Mesh;
|
---|
[860] | 1189 | IncludeBoxInMesh(box, *mesh);
|
---|
[712] | 1190 |
|
---|
| 1191 | // get 4 corners of the ray directions
|
---|
| 1192 |
|
---|
| 1193 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
| 1194 | mForcedMaterial.mDiffuseColor.r = leaf->GetImportance()/maxImportance;
|
---|
| 1195 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
| 1196 |
|
---|
| 1197 | ExportMesh(mesh);
|
---|
| 1198 | delete mesh;
|
---|
| 1199 | }
|
---|
| 1200 | }
|
---|
| 1201 | }
|
---|
| 1202 |
|
---|
| 1203 | mUseForcedMaterial = false;
|
---|
| 1204 |
|
---|
| 1205 | return true;
|
---|
| 1206 | }
|
---|
| 1207 |
|
---|
| 1208 |
|
---|
| 1209 | void
|
---|
| 1210 | VrmlExporter::ExportViewpoint(const Vector3 &point,
|
---|
| 1211 | const Vector3 &direction)
|
---|
| 1212 | {
|
---|
| 1213 | stream << "Viewpoint {" << endl;
|
---|
| 1214 |
|
---|
| 1215 | stream << "position " << point.x << " " << point.y << " " << point.z << endl;
|
---|
| 1216 | // stream<<"orientation "<<direction.x<<direction.y<<direction.z<<endl;
|
---|
| 1217 |
|
---|
| 1218 | stream << "}" << endl; // end view point;
|
---|
| 1219 |
|
---|
| 1220 | }
|
---|
| 1221 |
|
---|
| 1222 |
|
---|
| 1223 | void VrmlExporter::ExportBeam(const Beam &beam, const AxisAlignedBox3 &box)
|
---|
| 1224 | {
|
---|
| 1225 | if (beam.mMesh)
|
---|
| 1226 | {
|
---|
| 1227 | ExportMesh(beam.mMesh);
|
---|
| 1228 | return;
|
---|
| 1229 | }
|
---|
| 1230 |
|
---|
| 1231 | PolygonContainer polys;
|
---|
| 1232 | //ExportBox(beam.mBox);
|
---|
| 1233 |
|
---|
| 1234 | const float zfar = 2.0f * Magnitude(box.Diagonal());
|
---|
| 1235 |
|
---|
| 1236 | // box should not never remove part of beam polygons
|
---|
| 1237 | Vector3 bmin = beam.mBox.Min() - Vector3(zfar * 2.0f);
|
---|
| 1238 | Vector3 bmax = beam.mBox.Max() + Vector3(zfar * 2.0f);
|
---|
| 1239 |
|
---|
| 1240 | AxisAlignedBox3 bbox(bmin, bmax);
|
---|
| 1241 | Plane3 fplane;
|
---|
| 1242 | fplane.mNormal = -beam.mPlanes[0].mNormal;
|
---|
| 1243 |
|
---|
| 1244 | fplane.mD = beam.mPlanes[0].mD - zfar - 1.0f;
|
---|
| 1245 |
|
---|
| 1246 | vector<Plane3> planes = beam.mPlanes;
|
---|
| 1247 | planes.push_back(fplane);
|
---|
| 1248 |
|
---|
| 1249 | for (int i = 0; i < planes.size(); ++ i)
|
---|
| 1250 | {
|
---|
| 1251 | Polygon3 *poly = bbox.CrossSection(planes[i]);
|
---|
| 1252 | if (!poly->Valid(Limits::Small))
|
---|
| 1253 | DEL_PTR(poly);
|
---|
| 1254 |
|
---|
| 1255 | for (int j = 0; (j < planes.size()) && poly; ++ j)
|
---|
| 1256 | {
|
---|
| 1257 | if (j != i)
|
---|
| 1258 | {
|
---|
| 1259 | Polygon3 *front = new Polygon3();
|
---|
| 1260 | Polygon3 *back = new Polygon3();
|
---|
| 1261 |
|
---|
| 1262 | poly->Split(planes[j], *front, *back, Limits::Small);
|
---|
| 1263 | DEL_PTR(poly);
|
---|
| 1264 | DEL_PTR(front);
|
---|
| 1265 |
|
---|
| 1266 | if (!back->Valid(Limits::Small))
|
---|
| 1267 | DEL_PTR(back);
|
---|
| 1268 | poly = back;
|
---|
| 1269 | }
|
---|
| 1270 | }
|
---|
| 1271 | if (poly)
|
---|
| 1272 | polys.push_back(poly);
|
---|
| 1273 | }
|
---|
| 1274 |
|
---|
| 1275 | ExportPolygons(polys);
|
---|
| 1276 | CLEAR_CONTAINER(polys);
|
---|
[860] | 1277 | }
|
---|
| 1278 |
|
---|
[1715] | 1279 | }
|
---|