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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13 | #include "VspOspTree.h"
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14 | #include "RssTree.h"
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15 | #include "Beam.h"
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16 |
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17 | namespace GtpVisibilityPreprocessor {
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18 |
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19 |
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20 | VrmlExporter::VrmlExporter(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<<"#VRML V2.0 utf8"<<endl;
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24 | }
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25 |
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26 |
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27 | VrmlExporter::~VrmlExporter()
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28 | {
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29 | stream.close();
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30 | }
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31 |
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32 |
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33 | bool VrmlExporter::ExportRays(const RayContainer &rays,
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34 | const float length,
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35 | const RgbColor &color)
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36 | {
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37 | if (rays.empty())
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38 | return false;
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39 | RayContainer::const_iterator ri = rays.begin();
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40 |
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41 | stream<<"Shape {"<<endl;
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42 | stream<<"appearance Appearance {"<<endl;
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43 | stream << "material Material { diffuseColor=\"" << color.r << " " << color.g << " "
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44 | << color.b << "}" << endl;
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45 | stream<<"}"<<endl;
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46 |
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47 | stream<<"geometry IndexedLineSet { coordIndex [" << endl;
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48 |
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49 | int index = 0;
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50 | for (; ri != rays.end(); ri++)
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51 | {
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52 | stream << index << " " << index + 1 << " -1\n";
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53 | index += 2;
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54 | }
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55 |
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56 | stream << "]"<<endl;
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57 |
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58 | stream << "coord Coordinate { point [" << endl;
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59 |
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60 | ri = rays.begin();
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61 | for (; ri != rays.end(); ri++)
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62 | {
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63 | Vector3 a = (*ri)->GetLoc();
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64 |
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65 | Vector3 b;
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66 |
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67 | if (length < 0)
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68 | {
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69 | b = (*ri)->GetLoc() - length*(*ri)->GetDir();
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70 | }
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71 | else
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72 | {
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73 | if ((*ri)->intersections.empty())
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74 | b = (*ri)->GetLoc() + length*(*ri)->GetDir();
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75 | else
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76 | b = (*ri)->Extrap((*ri)->intersections[0].mT);
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77 | }
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78 |
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79 | stream << a.x << " " << a.y << " " << a.z << " ,";
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80 | stream << b.x << " " << b.y << " " << b.z << " ,\n";
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81 | }
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82 | stream << "]" << endl;
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83 | stream << "}" << endl;
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84 | stream << "}" << endl;
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85 | stream << "}" << endl;
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86 |
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87 | return true;
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88 | }
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89 |
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90 |
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91 | bool VrmlExporter::ExportRays(const VssRayContainer &rays,
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92 | const RgbColor &color)
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93 | {
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94 |
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95 | if (rays.empty())
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96 | return false;
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97 |
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98 | stream << "Shape {" << endl;
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99 | stream << "appearance Appearance {" << endl;
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100 | stream << "material Material {" << endl;
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101 | stream << "diffuseColor " << color.r << " " << color.g << " " << color.b << endl;
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102 | stream << "}" << endl; // end material
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103 | stream << "}" << endl; // end appearance
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104 |
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105 | stream << "geometry IndexedLineSet { coordIndex [" << endl;
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106 |
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107 | int index = 0;
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108 | VssRayContainer::const_iterator ri = rays.begin();
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109 |
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110 | for (; ri != rays.end(); ++ ri)
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111 | {
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112 | stream << index << " " << index + 1 << " -1\n";
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113 | index += 2 ;
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114 | }
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115 |
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116 | stream << "]" << endl;
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117 |
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118 | stream << "coord Coordinate { point [" << endl;
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119 |
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120 | for (ri = rays.begin(); ri != rays.end(); ++ ri)
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121 | {
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122 | const Vector3 a = (*ri)->GetOrigin();
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123 | const Vector3 b = (*ri)->mTerminationObject ? (*ri)->GetTermination() : a + 1000 * Normalize((*ri)->GetDir());
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124 | //const Vector3 b = (*ri)->GetTermination(); // matt: change back!!
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125 |
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126 | stream << a.x << " " << a.y << " " << a.z << " ,";
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127 | stream << b.x << " " << b.y << " " << b.z << " ,\n";
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128 | }
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129 |
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130 | stream << "]" << endl;
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131 | stream << "}" << endl;
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132 | stream << "}" << endl;
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133 | stream << "}" << endl;
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134 | //stream << "}" << endl;
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135 |
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136 | return true;
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137 | }
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138 |
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139 |
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140 | void VrmlExporter::ExportSceneNode(SceneGraphNode *node)
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141 | {
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142 | stream << "Group {" << endl;
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143 |
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144 | SceneGraphNodeContainer::iterator ni = node->mChildren.begin();
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145 |
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146 | for (; ni != node->mChildren.end(); ni++)
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147 | {
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148 | ExportSceneNode(*ni);
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149 | }
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150 | ObjectContainer::const_iterator mi = node->mGeometry.begin();
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151 |
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152 | for (; mi != node->mGeometry.end(); mi++)
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153 | {
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154 | // export the transform...
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155 | ExportIntersectable(*mi);
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156 | }
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157 |
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158 | stream<<"</Group>"<<endl;
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159 | }
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160 |
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161 |
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162 | void VrmlExporter::ExportIntersectable(Intersectable *object)
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163 | {
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164 | switch (object->Type())
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165 | {
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166 | case Intersectable::MESH_INSTANCE:
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167 | ExportMeshInstance((MeshInstance *)object);
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168 | break;
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169 | case Intersectable::TRANSFORMED_MESH_INSTANCE:
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170 | ExportTransformedMeshInstance(dynamic_cast<TransformedMeshInstance *>(object));
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171 | break;
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172 | case Intersectable::VIEW_CELL:
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173 | ExportViewCell((ViewCell *)object);
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174 | break;
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175 | default:
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176 | cerr << "Sorry the export for object not yet defined" << endl;
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177 | break;
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178 | }
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179 | }
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180 |
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181 |
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182 | void VrmlExporter::ExportMeshInstance(MeshInstance *object)
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183 | {
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184 | // $$JB$$
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185 | // in the future check whether the mesh was not already exported
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186 | // and use a reference to the that mesh instead
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187 | ExportMesh(object->GetMesh());
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188 | }
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189 |
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190 |
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191 | void VrmlExporter::ExportTransformedMeshInstance(TransformedMeshInstance *mi)
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192 | {
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193 | Mesh mesh(*mi->GetMesh());
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194 |
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195 | Matrix4x4 m;
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196 | mi->GetWorldTransform(m);
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197 | mesh.ApplyTransformation(m);
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198 |
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199 | ExportMesh(&mesh);
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200 | }
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201 |
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202 |
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203 | void VrmlExporter::ExportViewCells(const ViewCellContainer &viewCells)
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204 | {
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205 | ViewCellContainer::const_iterator it, it_end = viewCells.end();
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206 |
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207 | for (it = viewCells.begin(); it != it_end; ++ it)
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208 | {
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209 | ExportViewCell(*it);
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210 | }
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211 | }
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212 |
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213 |
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214 | void VrmlExporter::ExportBspLeaves(const BspTree &tree, const int maxPvs)
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215 | {
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216 | stack<pair<BspNode *, BspNodeGeometry *> > tStack;
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217 | ViewCell::NewMail();
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218 |
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219 | BspNodeGeometry *geom = new BspNodeGeometry();
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220 | tree.ConstructGeometry(tree.GetRoot(), *geom);
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221 |
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222 | tStack.push(pair<BspNode *, BspNodeGeometry *>(tree.GetRoot(), geom));
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223 |
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224 | if (maxPvs)
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225 | mUseForcedMaterial = true;
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226 |
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227 | while (!tStack.empty())
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228 | {
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229 | BspNode *node = tStack.top().first;
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230 | BspNodeGeometry *cell = tStack.top().second;
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231 | tStack.pop();
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232 |
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233 | if (!node->IsLeaf())
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234 | {
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235 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
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236 |
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237 | BspNodeGeometry *front = new BspNodeGeometry();
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238 | BspNodeGeometry *back = new BspNodeGeometry();
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239 |
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240 | cell->SplitGeometry(*front,
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241 | *back,
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242 | interior->GetPlane(),
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243 | tree.GetBoundingBox(),
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244 | tree.GetEpsilon());
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245 |
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246 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetFront(), front));
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247 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetBack(), back));
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248 | }
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249 | else
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250 | {
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251 | if (maxPvs)
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252 | {
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253 | BspLeaf *leaf = dynamic_cast<BspLeaf *>(node);
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254 |
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255 | mForcedMaterial.mDiffuseColor.b = 1.0f;
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256 | const float importance = (float)leaf->GetViewCell()->GetPvs().GetSize() / (float)maxPvs;
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257 |
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258 | mForcedMaterial.mDiffuseColor.r = importance;
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259 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
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260 | }
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261 |
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262 | ExportPolygons(cell->GetPolys());
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263 | }
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264 |
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265 | DEL_PTR(cell);
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266 | }
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267 | }
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268 |
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269 |
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270 | void VrmlExporter::ExportViewCell(ViewCell *viewCell)
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271 | {
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272 | if (viewCell->GetMesh())
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273 | {
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274 | ExportMesh(viewCell->GetMesh());
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275 | }
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276 | }
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277 |
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278 |
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279 | void VrmlExporter::ExportMesh(Mesh *mesh)
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280 | {
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281 | stream << "Shape {" << endl;
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282 | stream << "appearance Appearance {" << endl;
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283 |
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284 | // $$ tmp -> random material
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285 |
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286 | float r, g, b;
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287 |
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288 | if (mUseForcedMaterial)
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289 | {
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290 | r = mForcedMaterial.mDiffuseColor.r;
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291 | g = mForcedMaterial.mDiffuseColor.g;
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292 | b = mForcedMaterial.mDiffuseColor.b;
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293 |
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294 | }
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295 | else if (mesh->mMaterial)
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296 | {
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297 | r = mesh->mMaterial->mDiffuseColor.r;
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298 | g = mesh->mMaterial->mDiffuseColor.g;
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299 | b = mesh->mMaterial->mDiffuseColor.b;
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300 | }
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301 | else
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302 | {
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303 | r = RandomValue(0.5, 1.0);
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304 | g = RandomValue(0.5, 1.0);
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305 | b = RandomValue(0.5, 1.0);
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306 | }
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307 |
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308 | stream << "material Material {" << endl;
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309 | stream << "diffuseColor " << r << " " << g << " " << b << endl;
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310 | stream << "specularColor 0.0 0.0 0.0" << endl;
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311 |
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312 | stream << "}" << endl; // end material
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313 | stream << "}" << endl; // end apperance
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314 |
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315 |
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316 | // wireframe modes => set indexed lines
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317 | if (mWireframe)
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318 | {
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319 | stream << "geometry IndexedLineSet {" << endl;
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320 | }
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321 | else
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322 | {
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323 | //stream<<"<IndexedFaceSet ccw=\"TRUE\" coordIndex=\""<<endl;
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324 | stream << "geometry IndexedFaceSet {" << endl;
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325 | }
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326 |
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327 |
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328 | stream << "coordIndex [" << endl;
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329 |
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330 | FaceContainer::const_iterator fi = mesh->mFaces.begin();
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331 |
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332 | int index = 0;
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333 |
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334 | for (; fi != mesh->mFaces.end(); fi++)
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335 | {
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336 | Face *face = *fi;
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337 |
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338 | VertexIndexContainer::const_iterator vi = face->mVertexIndices.begin();
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339 |
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340 | for (; vi != face->mVertexIndices.end(); ++ vi)
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341 | {
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342 | stream << *vi << " ";
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343 | }
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344 |
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345 | if (mWireframe) // final line to finish polygon
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346 | {
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347 | stream << (*face->mVertexIndices.begin()) << " ";
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348 | }
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349 |
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350 | stream << "-1" << endl;
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351 | }
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352 |
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353 | stream << "]" << endl; // end coordIndex
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354 |
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355 |
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356 | stream << "coord Coordinate {" << endl;
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357 | stream << "point [" << endl;
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358 |
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359 | VertexContainer::const_iterator vi = mesh->mVertices.begin();
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360 |
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361 | for (; vi != mesh->mVertices.end(); vi++)
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362 | {
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363 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
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364 | stream << "," << endl;
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365 | }
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366 |
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367 | stream << "]" << endl; // end point
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368 | stream << "}" << endl; // end coord
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369 | stream << "}" << endl; // end geometry
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370 |
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371 | stream << "}" << endl; // end shape
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372 | }
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373 |
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374 |
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375 | void VrmlExporter::ExportPolygon(Polygon3 *poly)
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376 | {
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377 | stream << "Shape {" << endl;
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378 | stream << "appearance Appearance {" << endl;
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379 |
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380 | // $$ tmp -> random material
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381 | float r, g, b;
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382 |
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383 | if (mUseForcedMaterial)
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384 | {
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385 | r = mForcedMaterial.mDiffuseColor.r;
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386 | g = mForcedMaterial.mDiffuseColor.g;
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387 | b = mForcedMaterial.mDiffuseColor.b;
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388 | }
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389 | else if (poly->mMaterial)
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390 | {
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391 | r = poly->mMaterial->mDiffuseColor.r;
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392 | g = poly->mMaterial->mDiffuseColor.g;
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393 | b = poly->mMaterial->mDiffuseColor.b;
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394 | }
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395 | else
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396 | {
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397 | r = RandomValue(0.5, 1.0);
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398 | g = RandomValue(0.5, 1.0);
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399 | b = RandomValue(0.5, 1.0);
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400 | }
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401 |
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402 | stream << "material Material {" << endl;
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403 | stream << "diffuseColor " << r << " " << g << " " << b << endl;
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404 | stream << "specularColor 0.0 0.0 0.0" << endl;
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405 |
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406 | stream << "}" << endl; // end material
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407 | stream << "}" << endl; // end apperance
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408 |
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409 |
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410 | // wireframe modes => set indexed lines
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411 | if (mWireframe)
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412 | {
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413 | stream << "geometry IndexedLineSet {" << endl;
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414 | }
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415 | else
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416 | {
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417 | //stream<<"<IndexedFaceSet ccw=\"TRUE\" coordIndex=\""<<endl;
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418 | stream << "geometry IndexedFaceSet {" << endl;
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419 | }
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420 |
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421 |
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422 | stream << "coordIndex [" << endl;
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423 |
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424 |
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425 | int index = 0;
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426 |
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427 | VertexContainer::const_iterator vi;
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428 |
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429 | for (index = 0; index < (int)poly->mVertices.size(); ++ index)
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430 | {
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431 | stream << index << " ";
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432 | }
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433 |
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434 | if (mWireframe) // final line to finish polygon
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435 | {
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436 | stream << "0 ";
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437 | }
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438 |
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439 | stream << "-1" << endl;
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440 |
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441 | stream << "]" << endl; // end coordIndex
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442 |
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443 |
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444 | stream << "coord Coordinate {" << endl;
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445 | stream << "point [" << endl;
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446 |
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447 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
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448 | {
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449 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
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450 | stream << "," << endl;
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451 | }
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452 |
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453 | stream << "]" << endl; // end point
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454 | stream << "}" << endl; // end coord
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455 | stream << "}" << endl; // end geometry
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456 |
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457 | stream << "}" << endl; // end shape
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458 | }
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459 |
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460 |
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461 | void VrmlExporter::ExportPolygons(const PolygonContainer &polys)
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462 | {
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463 | stream << "Shape {" << endl;
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464 | stream << "appearance Appearance {" << endl;
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465 |
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466 | // $$ tmp -> random material
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467 |
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468 | float r, g, b;
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469 |
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470 | if (mUseForcedMaterial)
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471 | {
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472 | r = mForcedMaterial.mDiffuseColor.r;
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473 | g = mForcedMaterial.mDiffuseColor.g;
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474 | b = mForcedMaterial.mDiffuseColor.b;
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475 | }
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476 | else
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477 | {
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478 | r = RandomValue(0.5, 1.0);
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479 | g = RandomValue(0.5, 1.0);
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480 | b = RandomValue(0.5, 1.0);
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481 | }
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482 |
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483 | stream << "material Material {" << endl;
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484 | stream << "diffuseColor " << r << " " << g << " " << b << endl;
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485 | stream << "specularColor 0.0 0.0 0.0" << endl;
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486 |
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487 | stream << "}" << endl; // end material
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488 | stream << "}" << endl; // end apperance
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489 |
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490 | // wireframe modes => set indexed lines
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491 | if (mWireframe)
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492 | {
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493 | stream << "geometry IndexedLineSet {" << endl;
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494 | }
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495 | else
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496 | {
|
---|
497 | //stream<<"<IndexedFaceSet ccw=\"TRUE\" coordIndex=\""<<endl;
|
---|
498 | stream << "geometry IndexedFaceSet {" << endl;
|
---|
499 | }
|
---|
500 |
|
---|
501 | stream << "coordIndex [" << endl;
|
---|
502 |
|
---|
503 | int index = 0;
|
---|
504 |
|
---|
505 | PolygonContainer::const_iterator pit;
|
---|
506 |
|
---|
507 | VertexContainer::const_iterator vi;
|
---|
508 |
|
---|
509 | for (pit = polys.begin(); pit != polys.end(); ++ pit)
|
---|
510 | {
|
---|
511 | Polygon3 *poly = *pit;
|
---|
512 | int startIdx = index;
|
---|
513 |
|
---|
514 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
515 | {
|
---|
516 | stream << index ++ << " ";
|
---|
517 | }
|
---|
518 |
|
---|
519 | stream << startIdx << " ";// finish line
|
---|
520 | stream << "-1" << endl;
|
---|
521 | }
|
---|
522 |
|
---|
523 | stream << "]" << endl; // end coordIndex
|
---|
524 |
|
---|
525 | stream << "coord Coordinate {" << endl;
|
---|
526 | stream << "point [" << endl;
|
---|
527 |
|
---|
528 |
|
---|
529 | for (pit = polys.begin(); pit != polys.end(); ++ pit)
|
---|
530 | {
|
---|
531 | Polygon3 *poly = *pit;
|
---|
532 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
533 | {
|
---|
534 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
|
---|
535 | stream << "," << endl;
|
---|
536 | }
|
---|
537 | }
|
---|
538 |
|
---|
539 | stream << "]" << endl; // end point
|
---|
540 | stream << "}" << endl; // end coord
|
---|
541 | stream << "}" << endl; // end geometry
|
---|
542 |
|
---|
543 | stream << "}" << endl; // end shape
|
---|
544 | }
|
---|
545 |
|
---|
546 |
|
---|
547 | bool VrmlExporter::ExportBox(const AxisAlignedBox3 &box)
|
---|
548 | {
|
---|
549 | Mesh *mesh = new Mesh;
|
---|
550 |
|
---|
551 | // add 8 vertices of the box
|
---|
552 | int index = (int)mesh->mVertices.size();
|
---|
553 |
|
---|
554 | for (int i=0; i < 8; i++)
|
---|
555 | {
|
---|
556 | Vector3 v;
|
---|
557 | box.GetVertex(i, v);
|
---|
558 | mesh->mVertices.push_back(v);
|
---|
559 | }
|
---|
560 |
|
---|
561 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
562 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
563 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
564 |
|
---|
565 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
566 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
567 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
568 |
|
---|
569 | ExportMesh(mesh);
|
---|
570 |
|
---|
571 | delete mesh;
|
---|
572 |
|
---|
573 | return true;
|
---|
574 | }
|
---|
575 |
|
---|
576 | bool VrmlExporter::ExportBspTree(const BspTree &tree)
|
---|
577 | {
|
---|
578 | if (mExportRayDensity)
|
---|
579 | {
|
---|
580 | return ExportBspTreeRayDensity(tree);
|
---|
581 | }
|
---|
582 |
|
---|
583 | bool savedWireframe = mWireframe;
|
---|
584 |
|
---|
585 | SetWireframe();
|
---|
586 |
|
---|
587 | ExportBox(tree.GetBoundingBox());
|
---|
588 |
|
---|
589 | if (!savedWireframe)
|
---|
590 | SetFilled();
|
---|
591 |
|
---|
592 | // export view cells
|
---|
593 | ExportBspLeaves(tree);
|
---|
594 |
|
---|
595 | return true;
|
---|
596 | }
|
---|
597 |
|
---|
598 |
|
---|
599 | bool VrmlExporter::ExportKdTree(const KdTree &tree)
|
---|
600 | {
|
---|
601 | if (mExportRayDensity)
|
---|
602 | {
|
---|
603 | return ExportKdTreeRayDensity(tree);
|
---|
604 | }
|
---|
605 |
|
---|
606 | stack<KdNode *> tStack;
|
---|
607 |
|
---|
608 | tStack.push(tree.GetRoot());
|
---|
609 |
|
---|
610 | Mesh *mesh = new Mesh;
|
---|
611 |
|
---|
612 | while (!tStack.empty())
|
---|
613 | {
|
---|
614 | KdNode *node = tStack.top();
|
---|
615 |
|
---|
616 | tStack.pop();
|
---|
617 |
|
---|
618 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
619 | // add 6 vertices of the box
|
---|
620 | int index = (int)mesh->mVertices.size();
|
---|
621 |
|
---|
622 | for (int i=0; i < 8; i++)
|
---|
623 | {
|
---|
624 | Vector3 v;
|
---|
625 | box.GetVertex(i, v);
|
---|
626 | mesh->mVertices.push_back(v);
|
---|
627 | }
|
---|
628 |
|
---|
629 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
630 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
631 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
632 |
|
---|
633 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
634 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
635 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
636 |
|
---|
637 | if (!node->IsLeaf())
|
---|
638 | {
|
---|
639 | KdInterior *interior = (KdInterior *)node;
|
---|
640 | tStack.push(interior->mFront);
|
---|
641 | tStack.push(interior->mBack);
|
---|
642 | }
|
---|
643 | }
|
---|
644 |
|
---|
645 | ExportMesh(mesh);
|
---|
646 |
|
---|
647 | delete mesh;
|
---|
648 | return true;
|
---|
649 | }
|
---|
650 |
|
---|
651 |
|
---|
652 | bool VrmlExporter::ExportOspTree(const OspTree &ospTree)
|
---|
653 | {
|
---|
654 | vector<KdLeaf *> leaves;
|
---|
655 | ospTree.CollectLeaves(leaves);
|
---|
656 |
|
---|
657 | vector<KdLeaf *>::const_iterator it, it_end = leaves.end();
|
---|
658 |
|
---|
659 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
660 | {
|
---|
661 | ExportBox(ospTree.GetBBox(*it));
|
---|
662 | }
|
---|
663 |
|
---|
664 | return true;
|
---|
665 | }
|
---|
666 |
|
---|
667 |
|
---|
668 | bool VrmlExporter::ExportVssTree(const VssTree &tree)
|
---|
669 | {
|
---|
670 | stack<VssTreeNode *> tStack;
|
---|
671 |
|
---|
672 | tStack.push(tree.GetRoot());
|
---|
673 |
|
---|
674 | Mesh *mesh = new Mesh;
|
---|
675 | VssRayContainer rays;
|
---|
676 |
|
---|
677 | while (!tStack.empty())
|
---|
678 | {
|
---|
679 | VssTreeNode *node = tStack.top();
|
---|
680 |
|
---|
681 | tStack.pop();
|
---|
682 |
|
---|
683 | if (!node->IsLeaf())
|
---|
684 | {
|
---|
685 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
686 |
|
---|
687 | tStack.push(interior->front);
|
---|
688 | tStack.push(interior->back);
|
---|
689 | }
|
---|
690 | else
|
---|
691 | {
|
---|
692 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
693 | AxisAlignedBox3 box;
|
---|
694 | box = tree.GetBBox(leaf);
|
---|
695 | IncludeBoxInMesh(box, *mesh);
|
---|
696 |
|
---|
697 | if (tree.ValidLeaf(leaf))
|
---|
698 | {
|
---|
699 | Vector3 origin = box.Center();
|
---|
700 | box = tree.GetDirBBox(leaf);
|
---|
701 | VssRay *ray;
|
---|
702 |
|
---|
703 | const int indices[][2] = {{0,0}, {0,1}, {1,1}, {1,0}};
|
---|
704 | MeshInstance dummy(mesh);
|
---|
705 | for (int i=0; i < 4; i++)
|
---|
706 | {
|
---|
707 | // Vector3 v = box.GetVertex(indices[i][0], indices[i][1], 0);
|
---|
708 | Vector3 v = box.Center();
|
---|
709 |
|
---|
710 | Vector3 direction = VssRay::GetDirection(v.x, v.y);
|
---|
711 | if (Magnitude(direction) > Limits::Small)
|
---|
712 | {
|
---|
713 | direction.Normalize();
|
---|
714 | }
|
---|
715 | else
|
---|
716 | {
|
---|
717 | direction = Vector3(0, 1, 0);
|
---|
718 | }
|
---|
719 |
|
---|
720 | const float k = 100.0f * leaf->GetImportance();
|
---|
721 |
|
---|
722 |
|
---|
723 | // get 4 corners of the ray directions
|
---|
724 | ray = new VssRay(origin, origin + (direction * k), NULL, &dummy);
|
---|
725 | rays.push_back(ray);
|
---|
726 | }
|
---|
727 | }
|
---|
728 | }
|
---|
729 | }
|
---|
730 |
|
---|
731 | ExportMesh(mesh);
|
---|
732 | ExportRays(rays);
|
---|
733 | CLEAR_CONTAINER(rays);
|
---|
734 |
|
---|
735 | delete mesh;
|
---|
736 | return true;
|
---|
737 | }
|
---|
738 |
|
---|
739 |
|
---|
740 | bool VrmlExporter::ExportVssTree2(const VssTree &tree,
|
---|
741 | const Vector3 direction)
|
---|
742 | {
|
---|
743 | stack<VssTreeNode *> tStack;
|
---|
744 |
|
---|
745 | mUseForcedMaterial = true;
|
---|
746 |
|
---|
747 | Vector3 dirParam;
|
---|
748 |
|
---|
749 | dirParam.x = VssRay::GetDirParam(0, Normalize(direction));
|
---|
750 | dirParam.y = VssRay::GetDirParam(1, Normalize(direction));
|
---|
751 |
|
---|
752 | float maxImportance = 0.0f;
|
---|
753 |
|
---|
754 | tStack.push(tree.GetRoot());
|
---|
755 |
|
---|
756 | while (!tStack.empty())
|
---|
757 | {
|
---|
758 | VssTreeNode *node = tStack.top();
|
---|
759 | tStack.pop();
|
---|
760 |
|
---|
761 | if (!node->IsLeaf())
|
---|
762 | {
|
---|
763 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
764 |
|
---|
765 | if (interior->axis < 3)
|
---|
766 | {
|
---|
767 | tStack.push(interior->front);
|
---|
768 | tStack.push(interior->back);
|
---|
769 | }
|
---|
770 | else
|
---|
771 | {
|
---|
772 | if (dirParam[interior->axis-3] < interior->position)
|
---|
773 | tStack.push(interior->back);
|
---|
774 | else
|
---|
775 | tStack.push(interior->front);
|
---|
776 | }
|
---|
777 | }
|
---|
778 | else
|
---|
779 | {
|
---|
780 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
781 |
|
---|
782 | if (tree.ValidLeaf(leaf))
|
---|
783 | {
|
---|
784 | float i = leaf->GetImportance();
|
---|
785 |
|
---|
786 | if (i > maxImportance)
|
---|
787 | maxImportance = i;
|
---|
788 | }
|
---|
789 | }
|
---|
790 | }
|
---|
791 |
|
---|
792 | tStack.push(tree.GetRoot());
|
---|
793 |
|
---|
794 | while (!tStack.empty())
|
---|
795 | {
|
---|
796 | VssTreeNode *node = tStack.top();
|
---|
797 | tStack.pop();
|
---|
798 |
|
---|
799 | if (!node->IsLeaf())
|
---|
800 | {
|
---|
801 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
802 |
|
---|
803 | if (interior->axis < 3)
|
---|
804 | {
|
---|
805 | tStack.push(interior->front);
|
---|
806 | tStack.push(interior->back);
|
---|
807 | }
|
---|
808 | else
|
---|
809 | {
|
---|
810 | if (dirParam[interior->axis-3] < interior->position)
|
---|
811 | tStack.push(interior->back);
|
---|
812 | else
|
---|
813 | tStack.push(interior->front);
|
---|
814 | }
|
---|
815 | }
|
---|
816 | else
|
---|
817 | {
|
---|
818 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
819 |
|
---|
820 | if (tree.ValidLeaf(leaf))
|
---|
821 | {
|
---|
822 | AxisAlignedBox3 box;
|
---|
823 | box = tree.GetBBox(leaf);
|
---|
824 | Mesh *mesh = new Mesh;
|
---|
825 | IncludeBoxInMesh(box, *mesh);
|
---|
826 |
|
---|
827 | // get 4 corners of the ray directions
|
---|
828 |
|
---|
829 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
830 | mForcedMaterial.mDiffuseColor.r = leaf->GetImportance()/maxImportance;
|
---|
831 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
832 |
|
---|
833 | ExportMesh(mesh);
|
---|
834 | delete mesh;
|
---|
835 | }
|
---|
836 | }
|
---|
837 | }
|
---|
838 |
|
---|
839 | mUseForcedMaterial = false;
|
---|
840 |
|
---|
841 | return true;
|
---|
842 | }
|
---|
843 |
|
---|
844 |
|
---|
845 | bool VrmlExporter::ExportBspTreeRayDensity(const BspTree &tree)
|
---|
846 | {
|
---|
847 | stack<BspNode *> tStack;
|
---|
848 |
|
---|
849 | tStack.push(tree.GetRoot());
|
---|
850 |
|
---|
851 | bool fm = mUseForcedMaterial;
|
---|
852 |
|
---|
853 | mUseForcedMaterial = true;
|
---|
854 |
|
---|
855 | mForcedMaterial.mDiffuseColor.g = 1.0f;
|
---|
856 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
857 |
|
---|
858 | while (!tStack.empty())
|
---|
859 | {
|
---|
860 | BspNode *node = tStack.top();
|
---|
861 | tStack.pop();
|
---|
862 |
|
---|
863 | if (node->IsLeaf())
|
---|
864 | {
|
---|
865 | ViewCell *vc = dynamic_cast<BspLeaf *>(node)->GetViewCell();
|
---|
866 | #if 0
|
---|
867 | // set the mesh material according to the ray density
|
---|
868 | if (vc->mPassingRays.mRays)
|
---|
869 | {
|
---|
870 | float importance =
|
---|
871 | vc->mPassingRays.mContributions / (float)vc->mPassingRays.mRays;
|
---|
872 |
|
---|
873 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
874 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
875 | ExportViewCell(vc);
|
---|
876 |
|
---|
877 | }
|
---|
878 | #endif
|
---|
879 | }
|
---|
880 | else
|
---|
881 | {
|
---|
882 | BspInterior *interior = (BspInterior *)node;
|
---|
883 | tStack.push(interior->GetFront());
|
---|
884 | tStack.push(interior->GetBack());
|
---|
885 | }
|
---|
886 | }
|
---|
887 |
|
---|
888 | // restore the state of forced material
|
---|
889 | mUseForcedMaterial = fm;
|
---|
890 |
|
---|
891 | return true;
|
---|
892 | }
|
---|
893 |
|
---|
894 |
|
---|
895 | bool VrmlExporter::ExportKdTreeRayDensity(const KdTree &tree)
|
---|
896 | {
|
---|
897 | stack<KdNode *> tStack;
|
---|
898 |
|
---|
899 | tStack.push(tree.GetRoot());
|
---|
900 |
|
---|
901 | bool fm = mUseForcedMaterial;
|
---|
902 |
|
---|
903 | mUseForcedMaterial = true;
|
---|
904 |
|
---|
905 | mForcedMaterial.mDiffuseColor.g = 1.0f;
|
---|
906 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
907 |
|
---|
908 |
|
---|
909 | while (!tStack.empty())
|
---|
910 | {
|
---|
911 | KdNode *node = tStack.top();
|
---|
912 | tStack.pop();
|
---|
913 |
|
---|
914 | if (node->IsLeaf())
|
---|
915 | {
|
---|
916 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
917 | Mesh *mesh = new Mesh;
|
---|
918 |
|
---|
919 | // add 6 vertices of the box
|
---|
920 | int index = (int)mesh->mVertices.size();
|
---|
921 | for (int i=0; i < 8; i++)
|
---|
922 | {
|
---|
923 | Vector3 v;
|
---|
924 | box.GetVertex(i, v);
|
---|
925 | mesh->mVertices.push_back(v);
|
---|
926 | }
|
---|
927 |
|
---|
928 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
929 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
930 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
931 |
|
---|
932 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
933 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
934 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
935 |
|
---|
936 | // set the mesh material according to the ray density
|
---|
937 | KdLeaf *leaf = (KdLeaf *) node;
|
---|
938 |
|
---|
939 | if (leaf->mPassingRays.mRays)
|
---|
940 | {
|
---|
941 | const float importance =
|
---|
942 | leaf->mPassingRays.mContributions/(float)leaf->mPassingRays.mRays;
|
---|
943 | // float importance = leaf->mPassingRays.mContributions/1000.0f;
|
---|
944 | // float importance = leaf->mPassingRays.mRays/1000.0f;
|
---|
945 | ///(float)leaf->mPassingRays.mRays;
|
---|
946 | // mForcedMaterial.mDiffuseColor.r = log10(leaf->mPassingRays.mRays)/3.0f;
|
---|
947 |
|
---|
948 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
949 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
950 |
|
---|
951 | ExportMesh(mesh);
|
---|
952 | }
|
---|
953 |
|
---|
954 | delete mesh;
|
---|
955 | }
|
---|
956 | else
|
---|
957 | {
|
---|
958 | KdInterior *interior = (KdInterior *)node;
|
---|
959 | tStack.push(interior->mFront);
|
---|
960 | tStack.push(interior->mBack);
|
---|
961 | }
|
---|
962 | }
|
---|
963 |
|
---|
964 | // restore the state of forced material
|
---|
965 | mUseForcedMaterial = fm;
|
---|
966 |
|
---|
967 | return true;
|
---|
968 | }
|
---|
969 |
|
---|
970 |
|
---|
971 | struct BspSplitData
|
---|
972 | {
|
---|
973 | /// the current node
|
---|
974 | BspNode *mNode;
|
---|
975 |
|
---|
976 | vector<Plane3> mPlanes;
|
---|
977 | vector<bool> mSides;
|
---|
978 | bool mIsFront;
|
---|
979 | int mDepth;
|
---|
980 |
|
---|
981 | BspSplitData(BspNode *node):
|
---|
982 | mNode(node), mIsFront(false), mDepth(0)
|
---|
983 | {};
|
---|
984 |
|
---|
985 | BspSplitData(BspNode *node,
|
---|
986 | vector<Plane3> planes,
|
---|
987 | vector<bool> sides,
|
---|
988 | const bool isFront,
|
---|
989 | const int depth):
|
---|
990 | mNode(node), mPlanes(planes), mSides(sides),
|
---|
991 | mIsFront(isFront), mDepth(depth)
|
---|
992 | {};
|
---|
993 | };
|
---|
994 |
|
---|
995 |
|
---|
996 | void VrmlExporter::ExportLeavesGeometry(const BspTree &tree,
|
---|
997 | const vector<BspLeaf *> &leaves)
|
---|
998 | {
|
---|
999 | vector<BspLeaf *>::const_iterator it, it_end = leaves.end();
|
---|
1000 |
|
---|
1001 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
1002 | {
|
---|
1003 | BspNodeGeometry geom;
|
---|
1004 | tree.ConstructGeometry(*it, geom);
|
---|
1005 |
|
---|
1006 | ExportPolygons(geom.GetPolys());
|
---|
1007 | }
|
---|
1008 | }
|
---|
1009 |
|
---|
1010 |
|
---|
1011 | void VrmlExporter::ExportBspNodeSplits(BspNode *root,
|
---|
1012 | const AxisAlignedBox3 &box,
|
---|
1013 | const bool exportDepth,
|
---|
1014 | const bool epsilon)
|
---|
1015 | {
|
---|
1016 | std::stack<BspSplitData> tStack;
|
---|
1017 |
|
---|
1018 | BspSplitData tData(root);
|
---|
1019 | tStack.push(tData);
|
---|
1020 |
|
---|
1021 | PolygonContainer polys;
|
---|
1022 | vector <int> depths;
|
---|
1023 |
|
---|
1024 | int maxDepth = 0;
|
---|
1025 |
|
---|
1026 | while (!tStack.empty())
|
---|
1027 | {
|
---|
1028 | // filter polygons donw the tree
|
---|
1029 | BspSplitData tData = tStack.top();
|
---|
1030 | tStack.pop();
|
---|
1031 |
|
---|
1032 | if (tData.mNode->IsLeaf())
|
---|
1033 | {
|
---|
1034 | if (tData.mDepth > maxDepth)
|
---|
1035 | maxDepth = tData.mDepth;
|
---|
1036 | }
|
---|
1037 | else
|
---|
1038 | {
|
---|
1039 | BspInterior *interior = dynamic_cast<BspInterior *>(tData.mNode);
|
---|
1040 |
|
---|
1041 | // add current side of split plane
|
---|
1042 | if (tData.mNode != root)
|
---|
1043 | tData.mSides.push_back(tData.mIsFront);
|
---|
1044 |
|
---|
1045 | // bounded plane is added to the polygons
|
---|
1046 | Polygon3 *planePoly =
|
---|
1047 | box.CrossSection(interior->GetPlane());
|
---|
1048 |
|
---|
1049 | // do all the splits with the previous planes
|
---|
1050 | for (int i = 0; i < (int)tData.mPlanes.size(); ++ i)
|
---|
1051 | {
|
---|
1052 | if (planePoly->ClassifyPlane(tData.mPlanes[i], epsilon)
|
---|
1053 | == Polygon3::SPLIT)
|
---|
1054 | {
|
---|
1055 | Polygon3 *frontPoly = new Polygon3();
|
---|
1056 | Polygon3 *backPoly = new Polygon3();
|
---|
1057 |
|
---|
1058 | planePoly->Split(tData.mPlanes[i],
|
---|
1059 | *frontPoly,
|
---|
1060 | *backPoly,
|
---|
1061 | epsilon);
|
---|
1062 |
|
---|
1063 | DEL_PTR(planePoly);
|
---|
1064 |
|
---|
1065 | if(tData.mSides[i] == true)
|
---|
1066 | {
|
---|
1067 | planePoly = frontPoly;
|
---|
1068 | DEL_PTR(backPoly);
|
---|
1069 | }
|
---|
1070 | else
|
---|
1071 | {
|
---|
1072 | planePoly = backPoly;
|
---|
1073 | DEL_PTR(frontPoly);
|
---|
1074 | }
|
---|
1075 | }
|
---|
1076 | }
|
---|
1077 |
|
---|
1078 | tData.mPlanes.push_back(interior->GetPlane()); // add plane to split planes
|
---|
1079 |
|
---|
1080 | if (planePoly->Valid(epsilon))
|
---|
1081 | {
|
---|
1082 | polys.push_back(planePoly);
|
---|
1083 | depths.push_back(tData.mDepth);
|
---|
1084 | }
|
---|
1085 | else
|
---|
1086 | DEL_PTR(planePoly);
|
---|
1087 |
|
---|
1088 | // push the children on the stack
|
---|
1089 | tStack.push(BspSplitData(interior->GetFront(), tData.mPlanes,
|
---|
1090 | tData.mSides, true, tData.mDepth + 1));
|
---|
1091 | tStack.push(BspSplitData(interior->GetBack(), tData.mPlanes,
|
---|
1092 | tData.mSides, false, tData.mDepth + 1));
|
---|
1093 | }
|
---|
1094 | }
|
---|
1095 |
|
---|
1096 | if (maxDepth > 0)
|
---|
1097 | {
|
---|
1098 | mUseForcedMaterial = true;
|
---|
1099 |
|
---|
1100 | for (int i = 0; i < (int)polys.size(); ++ i)
|
---|
1101 | {
|
---|
1102 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
1103 | float importance = (float)depths[i]/ (float)maxDepth;
|
---|
1104 |
|
---|
1105 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
1106 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
1107 |
|
---|
1108 | ExportPolygon(polys[i]);
|
---|
1109 | }
|
---|
1110 | }
|
---|
1111 | else
|
---|
1112 | {
|
---|
1113 | ExportPolygons(polys);
|
---|
1114 | }
|
---|
1115 |
|
---|
1116 | CLEAR_CONTAINER(polys);
|
---|
1117 | }
|
---|
1118 |
|
---|
1119 |
|
---|
1120 | void VrmlExporter::ExportBspSplits(const BspTree &tree,
|
---|
1121 | const bool exportDepth)
|
---|
1122 | {
|
---|
1123 | ExportBspNodeSplits(tree.GetRoot(),
|
---|
1124 | tree.GetBoundingBox(),
|
---|
1125 | exportDepth,
|
---|
1126 | tree.GetEpsilon());
|
---|
1127 | }
|
---|
1128 |
|
---|
1129 |
|
---|
1130 | void VrmlExporter::ExportBspSplits(const VspBspTree &tree,
|
---|
1131 | const bool exportDepth)
|
---|
1132 | {
|
---|
1133 | ExportBspNodeSplits(tree.GetRoot(),
|
---|
1134 | tree.GetBoundingBox(),
|
---|
1135 | exportDepth,
|
---|
1136 | tree.GetEpsilon());
|
---|
1137 | }
|
---|
1138 |
|
---|
1139 |
|
---|
1140 | void VrmlExporter::ExportBspSplitPlanes(const BspTree &tree)
|
---|
1141 | {
|
---|
1142 | std::stack<BspNode *> tStack;
|
---|
1143 |
|
---|
1144 | tStack.push(tree.GetRoot());
|
---|
1145 |
|
---|
1146 | PolygonContainer polys;
|
---|
1147 |
|
---|
1148 | while (!tStack.empty())
|
---|
1149 | {
|
---|
1150 | // filter polygons donw the tree
|
---|
1151 | BspNode *node = tStack.top();
|
---|
1152 | tStack.pop();
|
---|
1153 |
|
---|
1154 | if (!node->IsLeaf())
|
---|
1155 | {
|
---|
1156 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
|
---|
1157 |
|
---|
1158 | // bounded plane is added to the polygons
|
---|
1159 | polys.push_back(tree.GetBoundingBox().CrossSection(interior->GetPlane()));
|
---|
1160 |
|
---|
1161 | // push the children on the stack
|
---|
1162 | tStack.push(interior->GetBack());
|
---|
1163 | tStack.push(interior->GetFront());
|
---|
1164 | }
|
---|
1165 | }
|
---|
1166 |
|
---|
1167 | ExportPolygons(polys);
|
---|
1168 | CLEAR_CONTAINER(polys);
|
---|
1169 | }
|
---|
1170 |
|
---|
1171 |
|
---|
1172 | void VrmlExporter::ExportGeometry(const ObjectContainer &objects)
|
---|
1173 | {
|
---|
1174 | ObjectContainer::const_iterator oit, oit_end = objects.end();
|
---|
1175 |
|
---|
1176 | if (1)
|
---|
1177 | {
|
---|
1178 | for (oit = objects.begin(); oit != oit_end; ++ oit)
|
---|
1179 | {
|
---|
1180 | if (1)
|
---|
1181 | {
|
---|
1182 | mUseForcedMaterial = true;
|
---|
1183 | SetForcedMaterial(RandomMaterial());
|
---|
1184 | }
|
---|
1185 | ExportIntersectable(*oit);
|
---|
1186 | }
|
---|
1187 | return;
|
---|
1188 | }
|
---|
1189 |
|
---|
1190 | // hack: all object exported as one mesh
|
---|
1191 | PolygonContainer polys;
|
---|
1192 |
|
---|
1193 | for (oit = objects.begin(); oit != oit_end; ++ oit)
|
---|
1194 | {
|
---|
1195 | polys.push_back(new Polygon3(dynamic_cast<MeshInstance *>(*oit)->GetMesh()->mVertices));
|
---|
1196 | }
|
---|
1197 |
|
---|
1198 | Mesh dummyMesh;
|
---|
1199 | PolygonContainer::const_iterator pit, pit_end = polys.end();
|
---|
1200 |
|
---|
1201 | for (pit = polys.begin(); pit != pit_end; ++ pit)
|
---|
1202 | {
|
---|
1203 | Polygon3 *poly = (*pit);
|
---|
1204 | IncludePolyInMesh(*poly, dummyMesh);
|
---|
1205 | }
|
---|
1206 |
|
---|
1207 | ExportMesh(&dummyMesh);
|
---|
1208 |
|
---|
1209 | CLEAR_CONTAINER(polys);
|
---|
1210 | }
|
---|
1211 |
|
---|
1212 |
|
---|
1213 |
|
---|
1214 | bool VrmlExporter::ExportRssTree2(const RssTree &tree,
|
---|
1215 | const Vector3 direction)
|
---|
1216 | {
|
---|
1217 | stack<RssTreeNode *> tStack;
|
---|
1218 |
|
---|
1219 |
|
---|
1220 | mUseForcedMaterial = true;
|
---|
1221 |
|
---|
1222 | Vector3 dirParam;
|
---|
1223 |
|
---|
1224 | dirParam.x = VssRay::GetDirParam(0, Normalize(direction));
|
---|
1225 | dirParam.y = VssRay::GetDirParam(1, Normalize(direction));
|
---|
1226 |
|
---|
1227 | float maxImportance = 0.0f;
|
---|
1228 | tStack.push(tree.GetRoot());
|
---|
1229 | while (!tStack.empty()) {
|
---|
1230 |
|
---|
1231 | RssTreeNode *node = tStack.top();
|
---|
1232 | tStack.pop();
|
---|
1233 |
|
---|
1234 | if (!node->IsLeaf()) {
|
---|
1235 | RssTreeInterior *interior = (RssTreeInterior *)node;
|
---|
1236 | if (interior->axis < 3) {
|
---|
1237 | tStack.push(interior->front);
|
---|
1238 | tStack.push(interior->back);
|
---|
1239 | } else {
|
---|
1240 | if (dirParam[interior->axis-3] < interior->position)
|
---|
1241 | tStack.push(interior->back);
|
---|
1242 | else
|
---|
1243 | tStack.push(interior->front);
|
---|
1244 | }
|
---|
1245 | } else {
|
---|
1246 | RssTreeLeaf *leaf = (RssTreeLeaf *)node;
|
---|
1247 | if (tree.ValidLeaf(leaf)) {
|
---|
1248 | float i = leaf->GetImportance();
|
---|
1249 | if (i > maxImportance)
|
---|
1250 | maxImportance = i;
|
---|
1251 | }
|
---|
1252 | }
|
---|
1253 | }
|
---|
1254 |
|
---|
1255 | tStack.push(tree.GetRoot());
|
---|
1256 | while (!tStack.empty()) {
|
---|
1257 |
|
---|
1258 | RssTreeNode *node = tStack.top();
|
---|
1259 | tStack.pop();
|
---|
1260 |
|
---|
1261 |
|
---|
1262 | if (!node->IsLeaf()) {
|
---|
1263 | RssTreeInterior *interior = (RssTreeInterior *)node;
|
---|
1264 | if (interior->axis < 3) {
|
---|
1265 | tStack.push(interior->front);
|
---|
1266 | tStack.push(interior->back);
|
---|
1267 | } else {
|
---|
1268 | if (dirParam[interior->axis-3] < interior->position)
|
---|
1269 | tStack.push(interior->back);
|
---|
1270 | else
|
---|
1271 | tStack.push(interior->front);
|
---|
1272 | }
|
---|
1273 | } else {
|
---|
1274 | RssTreeLeaf *leaf = (RssTreeLeaf *)node;
|
---|
1275 | if (tree.ValidLeaf(leaf)) {
|
---|
1276 | AxisAlignedBox3 box;
|
---|
1277 | box = tree.GetShrankedBBox(leaf);
|
---|
1278 | Mesh *mesh = new Mesh;
|
---|
1279 | IncludeBoxInMesh(box, *mesh);
|
---|
1280 |
|
---|
1281 | // get 4 corners of the ray directions
|
---|
1282 |
|
---|
1283 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
1284 | mForcedMaterial.mDiffuseColor.r = leaf->GetImportance()/maxImportance;
|
---|
1285 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
1286 |
|
---|
1287 | ExportMesh(mesh);
|
---|
1288 | delete mesh;
|
---|
1289 | }
|
---|
1290 | }
|
---|
1291 | }
|
---|
1292 |
|
---|
1293 | mUseForcedMaterial = false;
|
---|
1294 |
|
---|
1295 | return true;
|
---|
1296 | }
|
---|
1297 |
|
---|
1298 |
|
---|
1299 | void
|
---|
1300 | VrmlExporter::ExportViewpoint(const Vector3 &point,
|
---|
1301 | const Vector3 &direction)
|
---|
1302 | {
|
---|
1303 | stream << "Viewpoint {" << endl;
|
---|
1304 |
|
---|
1305 | stream << "position " << point.x << " " << point.y << " " << point.z << endl;
|
---|
1306 | // stream<<"orientation "<<direction.x<<direction.y<<direction.z<<endl;
|
---|
1307 |
|
---|
1308 | stream << "}" << endl; // end view point;
|
---|
1309 |
|
---|
1310 | }
|
---|
1311 |
|
---|
1312 |
|
---|
1313 |
|
---|
1314 | void VrmlExporter::ExportBeam(const Beam &beam, const AxisAlignedBox3 &box)
|
---|
1315 | {
|
---|
1316 | if (beam.mMesh)
|
---|
1317 | {
|
---|
1318 | ExportMesh(beam.mMesh);
|
---|
1319 | return;
|
---|
1320 | }
|
---|
1321 |
|
---|
1322 | PolygonContainer polys;
|
---|
1323 | //ExportBox(beam.mBox);
|
---|
1324 |
|
---|
1325 | const float zfar = 2.0f * Magnitude(box.Diagonal());
|
---|
1326 |
|
---|
1327 | // box should not never remove part of beam polygons
|
---|
1328 | Vector3 bmin = beam.mBox.Min() - Vector3(zfar * 2.0f);
|
---|
1329 | Vector3 bmax = beam.mBox.Max() + Vector3(zfar * 2.0f);
|
---|
1330 |
|
---|
1331 | AxisAlignedBox3 bbox(bmin, bmax);
|
---|
1332 | Plane3 fplane;
|
---|
1333 | fplane.mNormal = -beam.mPlanes[0].mNormal;
|
---|
1334 |
|
---|
1335 | fplane.mD = beam.mPlanes[0].mD - zfar - 1.0f;
|
---|
1336 |
|
---|
1337 | vector<Plane3> planes = beam.mPlanes;
|
---|
1338 | planes.push_back(fplane);
|
---|
1339 |
|
---|
1340 | for (int i = 0; i < planes.size(); ++ i)
|
---|
1341 | {
|
---|
1342 | Polygon3 *poly = bbox.CrossSection(planes[i]);
|
---|
1343 | if (!poly->Valid(Limits::Small))
|
---|
1344 | DEL_PTR(poly);
|
---|
1345 |
|
---|
1346 | for (int j = 0; (j < planes.size()) && poly; ++ j)
|
---|
1347 | {
|
---|
1348 | if (j != i)
|
---|
1349 | {
|
---|
1350 | Polygon3 *front = new Polygon3();
|
---|
1351 | Polygon3 *back = new Polygon3();
|
---|
1352 |
|
---|
1353 | poly->Split(planes[j], *front, *back, Limits::Small);
|
---|
1354 | DEL_PTR(poly);
|
---|
1355 | DEL_PTR(front);
|
---|
1356 |
|
---|
1357 | if (!back->Valid(Limits::Small))
|
---|
1358 | DEL_PTR(back);
|
---|
1359 | poly = back;
|
---|
1360 | }
|
---|
1361 | }
|
---|
1362 | if (poly)
|
---|
1363 | polys.push_back(poly);
|
---|
1364 | }
|
---|
1365 |
|
---|
1366 | ExportPolygons(polys);
|
---|
1367 | CLEAR_CONTAINER(polys);
|
---|
1368 | }
|
---|
1369 |
|
---|
1370 | }
|
---|