1 | #include <stack>
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2 | #include "common.h"
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3 | #include "SceneGraph.h"
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4 | #include "X3dExporter.h"
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5 | #include "Mesh.h"
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6 | #include "KdTree.h"
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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 "VspKdTree.h"
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12 | #include "VssTree.h"
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13 | #include "VspBspTree.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 |
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18 | X3dExporter::X3dExporter(const string filename):Exporter(filename)
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19 | {
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20 | stream.open(mFilename.c_str());
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21 | stream<<"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"<<endl;
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22 | stream<<"<X3D>"<<endl;
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23 | stream<<"<Scene>"<<endl;
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24 |
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25 | }
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26 |
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27 | X3dExporter::~X3dExporter()
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28 | {
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29 | stream<<"</Scene>"<<endl;
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30 | stream<<"</X3D>"<<endl;
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31 | stream.close();
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32 | }
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33 |
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34 |
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35 | // bool
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36 | // X3dExporter::ExportRays(const vector<Ray> &rays,
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37 | // const float length,
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38 | // const RgbColor &color)
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39 | // {
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40 | // vector<Ray>::const_iterator ri = rays.begin();
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41 | // stream<<"<Shape>"<<endl;
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42 | // stream<<"<Appearance>"<<endl;
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43 | // stream<<"<Material ambientColor=\""<<color.r<<" "<<color.g<<" "<<color.b<<
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44 | // "\" />"<<endl;
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45 | // stream<<"</Appearance>"<<endl;
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46 |
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47 | // stream<<"<IndexedLineSet coordIndex=\""<<endl;
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48 |
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49 | // int index = 0;
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50 | // for (; ri != rays.end(); ri++) {
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51 | // stream<<index<<" "<<index+1<<" -1\n";
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52 | // index+=2;
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53 | // }
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54 |
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55 | // stream<<"\" >"<<endl;
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56 |
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57 | // stream<<"<Coordinate point=\""<<endl;
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58 |
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59 | // ri = rays.begin();
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60 | // for (; ri != rays.end(); ri++) {
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61 | // Vector3 a = (*ri).GetLoc();
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62 |
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63 | // Vector3 b;
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64 | // if (length < 0)
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65 | // b = (*ri).GetLoc() - length*(*ri).GetDir();
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66 | // else
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67 | // if ((*ri).intersections.size()==0)
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68 | // b = (*ri).GetLoc() + length*(*ri).GetDir();
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69 | // else
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70 | // b = (*ri).Extrap((*ri).intersections[0].mT);
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71 |
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72 | // stream<<a.x<<" "<<a.y<<" "<<a.z<<" ,";
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73 | // stream<<b.x<<" "<<b.y<<" "<<b.z<<" ,\n";
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74 | // }
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75 |
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76 | // stream<<"\" >"<<endl;
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77 | // stream<<"</Coordinate>"<<endl;
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78 | // stream<<"</IndexedLineSet>"<<endl;
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79 | // stream<<"</Shape>"<<endl;
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80 | // return true;
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81 | // }
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82 |
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83 |
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84 | bool
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85 | X3dExporter::ExportRays(const RayContainer &rays,
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86 | const float length,
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87 | const RgbColor &color)
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88 | {
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89 | RayContainer::const_iterator ri = rays.begin();
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90 |
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91 | stream<<"<Shape>"<<endl;
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92 | stream<<"<Appearance>"<<endl;
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93 | stream<<"<Material diffuseColor=\""<<color.r<<" "<<color.g<<" "<<color.b<<
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94 | "\" />"<<endl;
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95 | stream<<"</Appearance>"<<endl;
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96 |
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97 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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98 |
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99 | int index = 0;
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100 | for (; ri != rays.end(); ri++) {
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101 | stream<<index<<" "<<index+1<<" -1\n";
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102 | index+=2;
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103 | }
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104 |
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105 | stream<<"\" >"<<endl;
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106 |
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107 | stream<<"<Coordinate point=\""<<endl;
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108 |
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109 | ri = rays.begin();
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110 | for (; ri != rays.end(); ri++) {
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111 | Vector3 a = (*ri)->GetLoc();
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112 |
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113 | Vector3 b;
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114 | if (length < 0)
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115 | b = (*ri)->GetLoc() - length*(*ri)->GetDir();
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116 | else
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117 | if ((*ri)->intersections.size()==0)
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118 | b = (*ri)->GetLoc() + length*(*ri)->GetDir();
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119 | else
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120 | b = (*ri)->Extrap((*ri)->intersections[0].mT);
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121 |
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122 | stream<<a.x<<" "<<a.y<<" "<<a.z<<" ,";
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123 | stream<<b.x<<" "<<b.y<<" "<<b.z<<" ,\n";
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124 | }
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125 |
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126 | stream<<"\" >"<<endl;
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127 | stream<<"</Coordinate>"<<endl;
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128 | stream<<"</IndexedLineSet>"<<endl;
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129 | stream<<"</Shape>"<<endl;
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130 |
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131 | return true;
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132 | }
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133 |
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134 | bool
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135 | X3dExporter::ExportRays(const VssRayContainer &rays,
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136 | const RgbColor &color)
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137 | {
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138 | VssRayContainer::const_iterator ri = rays.begin();
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139 |
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140 | stream<<"<Shape>"<<endl;
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141 | stream<<"<Appearance>"<<endl;
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142 | stream<<"<Material diffuseColor=\""<<color.r<<" "<<color.g<<" "<<color.b<<
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143 | "\" />"<<endl;
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144 | stream<<"</Appearance>"<<endl;
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145 |
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146 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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147 |
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148 | int index = 0;
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149 | for (; ri != rays.end(); ri++) {
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150 | stream<<index<<" "<<index+1<<" -1\n";
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151 | index+=2;
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152 | }
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153 |
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154 | stream<<"\" >"<<endl;
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155 |
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156 | stream<<"<Coordinate point=\""<<endl;
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157 |
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158 | ri = rays.begin();
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159 | for (; ri != rays.end(); ri++) {
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160 | const Vector3 a = (*ri)->GetOrigin();
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161 | //const Vector3 b = (*ri)->mTerminationObject ? (*ri)->GetTermination() : a + 1000 * Normalize((*ri)->GetDir());
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162 | const Vector3 b = (*ri)->GetTermination(); // matt: change again!!
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163 |
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164 | stream<<a.x<<" "<<a.y<<" "<<a.z<<" ,";
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165 | stream<<b.x<<" "<<b.y<<" "<<b.z<<" ,\n";
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166 | }
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167 |
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168 | stream<<"\" >"<<endl;
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169 | stream<<"</Coordinate>"<<endl;
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170 | stream<<"</IndexedLineSet>"<<endl;
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171 | stream<<"</Shape>"<<endl;
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172 |
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173 | return true;
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174 | }
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175 |
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176 | void
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177 | X3dExporter::ExportSceneNode(SceneGraphNode *node)
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178 | {
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179 | stream<<"<Group>"<<endl;
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180 |
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181 | SceneGraphNodeContainer::iterator ni = node->mChildren.begin();
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182 | for (; ni != node->mChildren.end(); ni++)
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183 | ExportSceneNode(*ni);
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184 |
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185 |
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186 | ObjectContainer::const_iterator mi = node->mGeometry.begin();
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187 | for (; mi != node->mGeometry.end(); mi++) {
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188 | // export the transform...
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189 | ExportIntersectable(*mi);
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190 | }
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191 |
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192 | stream<<"</Group>"<<endl;
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193 |
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194 | }
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195 | void
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196 | X3dExporter::ExportIntersectable(Intersectable *object)
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197 | {
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198 | switch (object->Type()) {
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199 | case Intersectable::MESH_INSTANCE:
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200 | case Intersectable::TRANSFORMED_MESH_INSTANCE:
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201 | ExportMeshInstance((MeshInstance *)object);
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202 | break;
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203 | case Intersectable::VIEW_CELL:
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204 | ExportViewCell((ViewCell *)object);
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205 | break;
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206 | default:
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207 | cerr<<"Sorry the export for object not yet defined"<<endl;
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208 | break;
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209 | }
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210 | }
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211 |
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212 | void
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213 | X3dExporter::ExportMeshInstance(MeshInstance *object)
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214 | {
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215 | // $$JB$$
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216 | // in the future check whether the mesh was not already exported
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217 | // and use a reference to the that mesh instead
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218 | ExportMesh(object->GetMesh());
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219 | }
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220 |
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221 | void
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222 | X3dExporter::ExportViewCells(const ViewCellContainer &viewCells)
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223 | {
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224 | ViewCellContainer::const_iterator it, it_end = viewCells.end();
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225 |
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226 | for (it = viewCells.begin(); it != it_end; ++ it)
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227 | ExportViewCell(*it);
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228 | }
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229 |
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230 | void
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231 | X3dExporter::ExportBspLeaves(const BspTree &tree, const int maxPvs)
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232 | {
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233 | stack<pair<BspNode *, BspNodeGeometry *> > tStack;
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234 | ViewCell::NewMail();
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235 |
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236 | BspNodeGeometry *geom = new BspNodeGeometry();
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237 | tree.ConstructGeometry(tree.GetRoot(), *geom);
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238 |
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239 | tStack.push(pair<BspNode *, BspNodeGeometry *>(tree.GetRoot(), geom));
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240 |
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241 | if (maxPvs > 0)
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242 | mUseForcedMaterial = true;
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243 |
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244 | while (!tStack.empty())
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245 | {
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246 | BspNode *node = tStack.top().first;
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247 | BspNodeGeometry *cell = tStack.top().second;
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248 | tStack.pop();
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249 |
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250 | if (!node->IsLeaf())
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251 | {
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252 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
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253 |
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254 | BspNodeGeometry *front = new BspNodeGeometry();
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255 | BspNodeGeometry *back = new BspNodeGeometry();
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256 |
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257 | cell->SplitGeometry(*front,
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258 | *back,
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259 | interior->GetPlane(),
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260 | tree.GetBoundingBox(),
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261 | tree.GetEpsilon());
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262 |
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263 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetFront(), front));
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264 | tStack.push(pair<BspNode *, BspNodeGeometry *>(interior->GetBack(), back));
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265 | }
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266 | else
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267 | {
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268 | if (maxPvs > 0)
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269 | {
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270 | BspLeaf *leaf = dynamic_cast<BspLeaf *>(node);
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271 |
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272 | mForcedMaterial.mDiffuseColor.b = 1.0f;
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273 | float importance = (float)leaf->GetViewCell()->GetPvs().GetSize() / (float)maxPvs;
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274 |
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275 | mForcedMaterial.mDiffuseColor.r = importance;
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276 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
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277 | }
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278 |
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279 | ExportPolygons(cell->mPolys);
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280 | }
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281 |
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282 | DEL_PTR(cell);
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283 | }
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284 | }
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285 |
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286 | void
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287 | X3dExporter::ExportViewCell(ViewCell *viewCell)
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288 | {
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289 | if (viewCell->GetMesh())
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290 | ExportMesh(viewCell->GetMesh());
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291 | }
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292 |
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293 | void
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294 | X3dExporter::ExportMesh(Mesh *mesh)
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295 | {
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296 |
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297 | stream<<"<Shape>"<<endl;
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298 | stream<<"<Appearance>"<<endl;
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299 |
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300 | // $$ tmp -> random material
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301 |
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302 | float r, g, b;
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303 |
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304 | if (mUseForcedMaterial) {
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305 | r = mForcedMaterial.mDiffuseColor.r;
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306 | g = mForcedMaterial.mDiffuseColor.g;
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307 | b = mForcedMaterial.mDiffuseColor.b;
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308 |
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309 | } else
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310 | if (mesh->mMaterial) {
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311 | r = mesh->mMaterial->mDiffuseColor.r;
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312 | g = mesh->mMaterial->mDiffuseColor.g;
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313 | b = mesh->mMaterial->mDiffuseColor.b;
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314 | } else {
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315 | r = RandomValue(0.5, 1.0);
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316 | g = RandomValue(0.5, 1.0);
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317 | b = RandomValue(0.5, 1.0);
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318 | }
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319 | stream<<"<Material diffuseColor=\""<<r<<" "<<g<<" "<<b<<
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320 | "\" specularColor=\"0.0 0.0 0.0\"/>"<<endl;
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321 | stream<<"</Appearance>"<<endl;
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322 |
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323 |
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324 | if (mWireframe)
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325 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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326 | else
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327 | //stream<<"<IndexedFaceSet ccw=\"TRUE\" coordIndex=\""<<endl;
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328 | stream << "<IndexedFaceSet 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 | Face *face = *fi;
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336 | VertexIndexContainer::const_iterator vi = face->mVertexIndices.begin();
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337 | for (; vi != face->mVertexIndices.end(); vi++)
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338 | stream<<*vi<<" ";
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339 | if (mWireframe) // final line to finish polygon
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340 | stream << (*face->mVertexIndices.begin()) << " ";
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341 |
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342 | stream<<"-1"<<endl;
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343 | }
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344 | stream<<"\" >"<<endl;
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345 |
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346 | stream<<"<Coordinate point=\""<<endl;
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347 |
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348 | VertexContainer::const_iterator vi = mesh->mVertices.begin();
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349 | for (; vi != mesh->mVertices.end(); vi++) {
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350 | stream<<(*vi).x<<" "<<(*vi).y<<" "<<(*vi).z;
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351 | stream<<","<<endl;
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352 | }
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353 |
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354 | stream<<"\" >"<<endl;
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355 | stream<<"</Coordinate>"<<endl;
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356 |
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357 | if (mWireframe)
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358 | stream<<"</IndexedLineSet>"<<endl;
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359 | else
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360 | stream<<"</IndexedFaceSet>"<<endl;
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361 |
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362 | stream<<"</Shape>"<<endl;
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363 |
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364 | }
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365 |
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366 |
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367 | void X3dExporter::ExportPolygon(Polygon3 *poly)
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368 | {
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369 | stream << "<Shape>" << endl;
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370 | stream << "<Appearance>" << endl;
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371 |
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372 | // $$ tmp -> random material
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373 |
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374 | float r, g, b;
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375 |
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376 | if (mUseForcedMaterial)
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377 | {
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378 | r = mForcedMaterial.mDiffuseColor.r;
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379 | g = mForcedMaterial.mDiffuseColor.g;
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380 | b = mForcedMaterial.mDiffuseColor.b;
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381 | }
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382 | else if (poly->mMaterial)
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383 | {
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384 | r = poly->mMaterial->mDiffuseColor.r;
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385 | g = poly->mMaterial->mDiffuseColor.g;
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386 | b = poly->mMaterial->mDiffuseColor.b;
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387 | } else
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388 | {
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389 | r = RandomValue(0.5, 1.0);
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390 | g = RandomValue(0.5, 1.0);
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391 | b = RandomValue(0.5, 1.0);
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392 | }
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393 |
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394 | stream << "<Material diffuseColor=\"" << r << " " << g << " " << b
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395 | << "\" specularColor=\"0.0 0.0 0.0\"/>" << endl;
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396 |
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397 | stream << "</Appearance>" << endl;
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398 |
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399 |
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400 | //-- create and write indices
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401 | if (mWireframe)
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402 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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403 | else
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404 | //stream << "<IndexedFaceSet ccw=\"TRUE\" coordIndex=\"" << endl;
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405 | stream << "<IndexedFaceSet coordIndex=\"" << endl;
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406 | int index = 0;
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407 |
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408 | VertexContainer::const_iterator vi;
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409 |
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410 | for (index = 0; index < (int)poly->mVertices.size(); ++ index)
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411 | stream << index << " ";
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412 |
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413 | if (mWireframe) // final line to finish polygon
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414 | stream << "0 ";
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415 |
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416 | stream << "-1" << endl;
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417 | stream << "\" >" << endl;
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418 |
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419 | stream << "<Coordinate point=\"" << endl;
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420 |
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421 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
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422 | {
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423 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
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424 | stream << "," << endl;
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425 | }
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426 |
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427 | stream << "\" >" << endl;
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428 | stream << "</Coordinate>" << endl;
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429 |
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430 | if (mWireframe)
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431 | stream << "</IndexedLineSet>" << endl;
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432 | else
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433 | stream << "</IndexedFaceSet>" << endl;
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434 |
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435 | stream << "</Shape>" << endl;
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436 | }
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437 |
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438 | void X3dExporter::ExportPolygons(const PolygonContainer &polys)
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439 | {
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440 | stream << "<Shape>" << endl;
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441 | stream << "<Appearance>" << endl;
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442 |
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443 | // $$ tmp -> random material
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444 |
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445 | float r, g, b;
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446 |
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447 | if (mUseForcedMaterial)
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448 | {
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449 | r = mForcedMaterial.mDiffuseColor.r;
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450 | g = mForcedMaterial.mDiffuseColor.g;
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451 | b = mForcedMaterial.mDiffuseColor.b;
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452 | }
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453 | else
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454 | {
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455 | r = RandomValue(0.5, 1.0);
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456 | g = RandomValue(0.5, 1.0);
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457 | b = RandomValue(0.5, 1.0);
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458 | }
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459 |
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460 | stream << "<Material diffuseColor=\"" << r << " " << g << " " << b
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461 | << "\" specularColor=\"0.0 0.0 0.0\"/>" << endl;
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462 |
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463 | stream << "</Appearance>" << endl;
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464 |
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465 |
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466 | //-- create and write indices
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467 | if (mWireframe)
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468 | stream<<"<IndexedLineSet coordIndex=\""<<endl;
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469 | else
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470 | //stream << "<IndexedFaceSet ccw=\"TRUE\" coordIndex=\"" << endl;
|
---|
471 | stream << "<IndexedFaceSet coordIndex=\"" << endl;
|
---|
472 |
|
---|
473 | int index = 0;
|
---|
474 |
|
---|
475 | PolygonContainer::const_iterator pit;
|
---|
476 |
|
---|
477 | VertexContainer::const_iterator vi;
|
---|
478 |
|
---|
479 | for (pit = polys.begin(); pit != polys.end(); ++pit)
|
---|
480 | {
|
---|
481 | Polygon3 *poly = *pit;
|
---|
482 | int startIdx = index;
|
---|
483 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
484 | {
|
---|
485 | stream << index ++ << " ";
|
---|
486 | }
|
---|
487 |
|
---|
488 | stream << startIdx << " ";// finish line
|
---|
489 | stream << "-1" << endl;
|
---|
490 | }
|
---|
491 |
|
---|
492 | stream << "\" >" << endl;
|
---|
493 |
|
---|
494 | stream << "<Coordinate point=\"" << endl;
|
---|
495 | for (pit = polys.begin(); pit != polys.end(); ++ pit)
|
---|
496 | {
|
---|
497 | Polygon3 *poly = *pit;
|
---|
498 | for (vi = poly->mVertices.begin(); vi != poly->mVertices.end(); ++vi)
|
---|
499 | {
|
---|
500 | stream << (*vi).x << " " << (*vi).y << " " << (*vi).z;
|
---|
501 | stream << "," << endl;
|
---|
502 | }
|
---|
503 | }
|
---|
504 | stream << "\" >" << endl;
|
---|
505 | stream << "</Coordinate>" << endl;
|
---|
506 |
|
---|
507 | if (mWireframe)
|
---|
508 | stream << "</IndexedLineSet>" << endl;
|
---|
509 | else
|
---|
510 | stream << "</IndexedFaceSet>" << endl;
|
---|
511 |
|
---|
512 | stream << "</Shape>" << endl;
|
---|
513 | }
|
---|
514 |
|
---|
515 | bool
|
---|
516 | X3dExporter::ExportBox(const AxisAlignedBox3 &box)
|
---|
517 | {
|
---|
518 | Mesh *mesh = new Mesh;
|
---|
519 | // add 8 vertices of the box
|
---|
520 | int index = (int)mesh->mVertices.size();
|
---|
521 | for (int i=0; i < 8; i++) {
|
---|
522 | Vector3 v;
|
---|
523 | box.GetVertex(i, v);
|
---|
524 | mesh->mVertices.push_back(v);
|
---|
525 | }
|
---|
526 |
|
---|
527 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
528 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
529 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
530 |
|
---|
531 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
532 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
533 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
534 |
|
---|
535 | ExportMesh(mesh);
|
---|
536 | delete mesh;
|
---|
537 | return true;
|
---|
538 | }
|
---|
539 |
|
---|
540 | bool
|
---|
541 | X3dExporter::ExportBspTree(const BspTree &tree)
|
---|
542 | {
|
---|
543 | if (mExportRayDensity)
|
---|
544 | {
|
---|
545 | return ExportBspTreeRayDensity(tree);
|
---|
546 | }
|
---|
547 |
|
---|
548 | bool savedWireframe = mWireframe;
|
---|
549 |
|
---|
550 | SetWireframe();
|
---|
551 |
|
---|
552 | ExportBox(tree.GetBoundingBox());
|
---|
553 |
|
---|
554 | if (!savedWireframe)
|
---|
555 | SetFilled();
|
---|
556 |
|
---|
557 | // export view cells
|
---|
558 | ExportBspLeaves(tree);
|
---|
559 |
|
---|
560 | return true;
|
---|
561 | }
|
---|
562 |
|
---|
563 | bool X3dExporter::ExportVspKdTree(const VspKdTree &tree, const int maxPvs)
|
---|
564 | {
|
---|
565 | stack<VspKdNode *> tStack;
|
---|
566 |
|
---|
567 | tStack.push(tree.GetRoot());
|
---|
568 |
|
---|
569 | //Mesh *mesh = new Mesh;
|
---|
570 |
|
---|
571 | if (maxPvs > 0)
|
---|
572 | mUseForcedMaterial = true;
|
---|
573 |
|
---|
574 | while (!tStack.empty())
|
---|
575 | {
|
---|
576 | VspKdNode *node = tStack.top();
|
---|
577 |
|
---|
578 | tStack.pop();
|
---|
579 |
|
---|
580 | if (node->IsLeaf())
|
---|
581 | {
|
---|
582 | AxisAlignedBox3 box = tree.GetBBox(node);
|
---|
583 |
|
---|
584 | Mesh *mesh = new Mesh;
|
---|
585 |
|
---|
586 | // add 6 vertices of the box
|
---|
587 | int index = (int)mesh->mVertices.size();
|
---|
588 |
|
---|
589 | for (int i=0; i < 8; ++ i)
|
---|
590 | {
|
---|
591 | Vector3 v;
|
---|
592 | box.GetVertex(i, v);
|
---|
593 | mesh->mVertices.push_back(v);
|
---|
594 | }
|
---|
595 |
|
---|
596 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
597 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
598 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
599 |
|
---|
600 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
601 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
602 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
603 |
|
---|
604 | if (maxPvs > 0)
|
---|
605 | {
|
---|
606 | VspKdLeaf *leaf = dynamic_cast<VspKdLeaf *>(node);
|
---|
607 |
|
---|
608 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
609 |
|
---|
610 | leaf->UpdatePvsSize();
|
---|
611 |
|
---|
612 | const float importance = (float)leaf->GetPvsSize() / (float)maxPvs;
|
---|
613 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
614 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
615 | }
|
---|
616 |
|
---|
617 | ExportMesh(mesh);
|
---|
618 | DEL_PTR(mesh);
|
---|
619 | }
|
---|
620 | else
|
---|
621 | {
|
---|
622 | VspKdInterior *interior = dynamic_cast<VspKdInterior *>(node);
|
---|
623 | tStack.push(interior->GetFront());
|
---|
624 | tStack.push(interior->GetBack());
|
---|
625 | }
|
---|
626 | }
|
---|
627 |
|
---|
628 | //ExportMesh(mesh);
|
---|
629 | //DEL_PTR(mesh);
|
---|
630 |
|
---|
631 | return true;
|
---|
632 | }
|
---|
633 |
|
---|
634 |
|
---|
635 | bool X3dExporter::ExportKdTree(const KdTree &tree)
|
---|
636 | {
|
---|
637 | if (mExportRayDensity) {
|
---|
638 | return ExportKdTreeRayDensity(tree);
|
---|
639 | }
|
---|
640 |
|
---|
641 | stack<KdNode *> tStack;
|
---|
642 |
|
---|
643 | tStack.push(tree.GetRoot());
|
---|
644 |
|
---|
645 | Mesh *mesh = new Mesh;
|
---|
646 |
|
---|
647 | while (!tStack.empty()) {
|
---|
648 | KdNode *node = tStack.top();
|
---|
649 | tStack.pop();
|
---|
650 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
651 | // add 6 vertices of the box
|
---|
652 | int index = (int)mesh->mVertices.size();
|
---|
653 | for (int i=0; i < 8; i++) {
|
---|
654 | Vector3 v;
|
---|
655 | box.GetVertex(i, v);
|
---|
656 | mesh->mVertices.push_back(v);
|
---|
657 | }
|
---|
658 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
659 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
660 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
661 |
|
---|
662 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
663 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
664 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
665 |
|
---|
666 | if (!node->IsLeaf()) {
|
---|
667 | KdInterior *interior = (KdInterior *)node;
|
---|
668 | tStack.push(interior->mFront);
|
---|
669 | tStack.push(interior->mBack);
|
---|
670 | }
|
---|
671 | }
|
---|
672 |
|
---|
673 | ExportMesh(mesh);
|
---|
674 | delete mesh;
|
---|
675 | return true;
|
---|
676 | // TODO
|
---|
677 | return true;
|
---|
678 | }
|
---|
679 |
|
---|
680 |
|
---|
681 |
|
---|
682 |
|
---|
683 | bool
|
---|
684 | X3dExporter::ExportVssTree(const VssTree &tree
|
---|
685 | )
|
---|
686 | {
|
---|
687 | stack<VssTreeNode *> tStack;
|
---|
688 |
|
---|
689 | tStack.push(tree.GetRoot());
|
---|
690 |
|
---|
691 | Mesh *mesh = new Mesh;
|
---|
692 | VssRayContainer rays;
|
---|
693 |
|
---|
694 | while (!tStack.empty()) {
|
---|
695 |
|
---|
696 | VssTreeNode *node = tStack.top();
|
---|
697 | tStack.pop();
|
---|
698 |
|
---|
699 |
|
---|
700 | if (!node->IsLeaf()) {
|
---|
701 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
702 | tStack.push(interior->front);
|
---|
703 | tStack.push(interior->back);
|
---|
704 | } else {
|
---|
705 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
706 | AxisAlignedBox3 box;
|
---|
707 | box = tree.GetBBox(leaf);
|
---|
708 | box.AddBoxToMesh(mesh);
|
---|
709 |
|
---|
710 | if (tree.ValidLeaf(leaf)) {
|
---|
711 |
|
---|
712 | Vector3 origin = box.Center();
|
---|
713 | box = tree.GetDirBBox(leaf);
|
---|
714 | VssRay *ray;
|
---|
715 |
|
---|
716 | const indices[][2] = {{0,0}, {0,1}, {1,1}, {1,0}};
|
---|
717 | MeshInstance dummy(mesh);
|
---|
718 | for (int i=0; i < 4; i++) {
|
---|
719 | // Vector3 v = box.GetVertex(indices[i][0], indices[i][1], 0);
|
---|
720 | Vector3 v = box.Center();
|
---|
721 |
|
---|
722 | Vector3 direction = VssRay::GetDirection(v.x, v.y);
|
---|
723 | if (Magnitude(direction) > Limits::Small)
|
---|
724 | direction.Normalize();
|
---|
725 | else
|
---|
726 | direction = Vector3(0, 1, 0);
|
---|
727 | float k = 100.0f*leaf->GetImportance();
|
---|
728 | // get 4 corners of the ray directions
|
---|
729 |
|
---|
730 | ray = new VssRay(origin, origin + (direction*k), NULL, &dummy);
|
---|
731 | rays.push_back(ray);
|
---|
732 | }
|
---|
733 | }
|
---|
734 | }
|
---|
735 | }
|
---|
736 |
|
---|
737 | ExportMesh(mesh);
|
---|
738 | ExportRays(rays);
|
---|
739 | CLEAR_CONTAINER(rays);
|
---|
740 | delete mesh;
|
---|
741 | return true;
|
---|
742 | }
|
---|
743 |
|
---|
744 | bool
|
---|
745 | X3dExporter::ExportVssTree2(const VssTree &tree,
|
---|
746 | const Vector3 direction
|
---|
747 | )
|
---|
748 | {
|
---|
749 | stack<VssTreeNode *> tStack;
|
---|
750 |
|
---|
751 |
|
---|
752 | mUseForcedMaterial = true;
|
---|
753 |
|
---|
754 | Vector3 dirParam;
|
---|
755 |
|
---|
756 | dirParam.x = VssRay::GetDirParam(0, Normalize(direction));
|
---|
757 | dirParam.y = VssRay::GetDirParam(1, Normalize(direction));
|
---|
758 |
|
---|
759 | float maxImportance = 0.0f;
|
---|
760 | tStack.push(tree.GetRoot());
|
---|
761 | while (!tStack.empty()) {
|
---|
762 |
|
---|
763 | VssTreeNode *node = tStack.top();
|
---|
764 | tStack.pop();
|
---|
765 |
|
---|
766 | if (!node->IsLeaf()) {
|
---|
767 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
768 | if (interior->axis < 3) {
|
---|
769 | tStack.push(interior->front);
|
---|
770 | tStack.push(interior->back);
|
---|
771 | } else {
|
---|
772 | if (dirParam[interior->axis-3] < interior->position)
|
---|
773 | tStack.push(interior->back);
|
---|
774 | else
|
---|
775 | tStack.push(interior->front);
|
---|
776 | }
|
---|
777 | } else {
|
---|
778 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
779 | if (tree.ValidLeaf(leaf)) {
|
---|
780 | float i = leaf->GetImportance();
|
---|
781 | if (i > maxImportance)
|
---|
782 | maxImportance = i;
|
---|
783 | }
|
---|
784 | }
|
---|
785 | }
|
---|
786 |
|
---|
787 | tStack.push(tree.GetRoot());
|
---|
788 | while (!tStack.empty()) {
|
---|
789 |
|
---|
790 | VssTreeNode *node = tStack.top();
|
---|
791 | tStack.pop();
|
---|
792 |
|
---|
793 |
|
---|
794 | if (!node->IsLeaf()) {
|
---|
795 | VssTreeInterior *interior = (VssTreeInterior *)node;
|
---|
796 | if (interior->axis < 3) {
|
---|
797 | tStack.push(interior->front);
|
---|
798 | tStack.push(interior->back);
|
---|
799 | } else {
|
---|
800 | if (dirParam[interior->axis-3] < interior->position)
|
---|
801 | tStack.push(interior->back);
|
---|
802 | else
|
---|
803 | tStack.push(interior->front);
|
---|
804 | }
|
---|
805 | } else {
|
---|
806 | VssTreeLeaf *leaf = (VssTreeLeaf *)node;
|
---|
807 | if (tree.ValidLeaf(leaf)) {
|
---|
808 | AxisAlignedBox3 box;
|
---|
809 | box = tree.GetBBox(leaf);
|
---|
810 | Mesh *mesh = new Mesh;
|
---|
811 | box.AddBoxToMesh(mesh);
|
---|
812 |
|
---|
813 | // get 4 corners of the ray directions
|
---|
814 |
|
---|
815 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
816 | mForcedMaterial.mDiffuseColor.r = leaf->GetImportance()/maxImportance;
|
---|
817 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
818 |
|
---|
819 | ExportMesh(mesh);
|
---|
820 | delete mesh;
|
---|
821 | }
|
---|
822 | }
|
---|
823 | }
|
---|
824 |
|
---|
825 | mUseForcedMaterial = false;
|
---|
826 |
|
---|
827 | return true;
|
---|
828 | }
|
---|
829 |
|
---|
830 | bool
|
---|
831 | X3dExporter::ExportBspTreeRayDensity(const BspTree &tree)
|
---|
832 | {
|
---|
833 | stack<BspNode *> tStack;
|
---|
834 |
|
---|
835 | tStack.push(tree.GetRoot());
|
---|
836 |
|
---|
837 | bool fm = mUseForcedMaterial;
|
---|
838 |
|
---|
839 | mUseForcedMaterial = true;
|
---|
840 |
|
---|
841 | mForcedMaterial.mDiffuseColor.g = 1.0f;
|
---|
842 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
843 |
|
---|
844 | while (!tStack.empty())
|
---|
845 | {
|
---|
846 | BspNode *node = tStack.top();
|
---|
847 | tStack.pop();
|
---|
848 |
|
---|
849 | if (node->IsLeaf())
|
---|
850 | {
|
---|
851 | ViewCell *vc = dynamic_cast<BspLeaf *>(node)->GetViewCell();
|
---|
852 | #if 0
|
---|
853 | // set the mesh material according to the ray density
|
---|
854 | if (vc->mPassingRays.mRays)
|
---|
855 | {
|
---|
856 | float importance =
|
---|
857 | vc->mPassingRays.mContributions / (float)vc->mPassingRays.mRays;
|
---|
858 |
|
---|
859 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
860 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
861 | ExportViewCell(vc);
|
---|
862 |
|
---|
863 | }
|
---|
864 | #endif
|
---|
865 | }
|
---|
866 | else
|
---|
867 | {
|
---|
868 | BspInterior *interior = (BspInterior *)node;
|
---|
869 | tStack.push(interior->GetFront());
|
---|
870 | tStack.push(interior->GetBack());
|
---|
871 | }
|
---|
872 | }
|
---|
873 |
|
---|
874 | // restore the state of forced material
|
---|
875 | mUseForcedMaterial = fm;
|
---|
876 |
|
---|
877 | return true;
|
---|
878 | }
|
---|
879 |
|
---|
880 | bool
|
---|
881 | X3dExporter::ExportKdTreeRayDensity(const KdTree &tree)
|
---|
882 | {
|
---|
883 | stack<KdNode *> tStack;
|
---|
884 |
|
---|
885 | tStack.push(tree.GetRoot());
|
---|
886 |
|
---|
887 | bool fm = mUseForcedMaterial;
|
---|
888 | mUseForcedMaterial = true;
|
---|
889 | mForcedMaterial.mDiffuseColor.g = 1.0f;
|
---|
890 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
891 | while (!tStack.empty()) {
|
---|
892 | KdNode *node = tStack.top();
|
---|
893 | tStack.pop();
|
---|
894 | if (node->IsLeaf()) {
|
---|
895 | AxisAlignedBox3 box = tree.GetBox(node);
|
---|
896 | Mesh *mesh = new Mesh;
|
---|
897 |
|
---|
898 | // add 6 vertices of the box
|
---|
899 | int index = (int)mesh->mVertices.size();
|
---|
900 | for (int i=0; i < 8; i++) {
|
---|
901 | Vector3 v;
|
---|
902 | box.GetVertex(i, v);
|
---|
903 | mesh->mVertices.push_back(v);
|
---|
904 | }
|
---|
905 | mesh->AddFace(new Face(index + 0, index + 1, index + 3, index + 2) );
|
---|
906 | mesh->AddFace(new Face(index + 0, index + 2, index + 6, index + 4) );
|
---|
907 | mesh->AddFace(new Face(index + 4, index + 6, index + 7, index + 5) );
|
---|
908 |
|
---|
909 | mesh->AddFace(new Face(index + 3, index + 1, index + 5, index + 7) );
|
---|
910 | mesh->AddFace(new Face(index + 0, index + 4, index + 5, index + 1) );
|
---|
911 | mesh->AddFace(new Face(index + 2, index + 3, index + 7, index + 6) );
|
---|
912 |
|
---|
913 |
|
---|
914 | // set the mesh material according to the ray density
|
---|
915 | KdLeaf *leaf = (KdLeaf *) node;
|
---|
916 | if (leaf->mPassingRays.mRays) {
|
---|
917 | float importance = leaf->mPassingRays.mContributions/(float)leaf->mPassingRays.mRays;
|
---|
918 | // float importance = leaf->mPassingRays.mContributions/1000.0f;
|
---|
919 | // float importance = leaf->mPassingRays.mRays/1000.0f;
|
---|
920 | ///(float)leaf->mPassingRays.mRays;
|
---|
921 | // mForcedMaterial.mDiffuseColor.r = log10(leaf->mPassingRays.mRays)/3.0f;
|
---|
922 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
923 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
924 | ExportMesh(mesh);
|
---|
925 | }
|
---|
926 | delete mesh;
|
---|
927 | } else {
|
---|
928 | KdInterior *interior = (KdInterior *)node;
|
---|
929 | tStack.push(interior->mFront);
|
---|
930 | tStack.push(interior->mBack);
|
---|
931 | }
|
---|
932 | }
|
---|
933 | // restore the state of forced material
|
---|
934 | mUseForcedMaterial = fm;
|
---|
935 | return true;
|
---|
936 | }
|
---|
937 |
|
---|
938 |
|
---|
939 | struct BspSplitData
|
---|
940 | {
|
---|
941 | /// the current node
|
---|
942 | BspNode *mNode;
|
---|
943 |
|
---|
944 | vector<Plane3> mPlanes;
|
---|
945 | vector<bool> mSides;
|
---|
946 | bool mIsFront;
|
---|
947 | int mDepth;
|
---|
948 |
|
---|
949 | BspSplitData(BspNode *node):
|
---|
950 | mNode(node), mIsFront(false), mDepth(0)
|
---|
951 | {};
|
---|
952 |
|
---|
953 | BspSplitData(BspNode *node,
|
---|
954 | vector<Plane3> planes,
|
---|
955 | vector<bool> sides,
|
---|
956 | const bool isFront,
|
---|
957 | const int depth):
|
---|
958 | mNode(node), mPlanes(planes), mSides(sides),
|
---|
959 | mIsFront(isFront), mDepth(depth)
|
---|
960 | {};
|
---|
961 | };
|
---|
962 |
|
---|
963 | void X3dExporter::ExportLeavesGeometry(const BspTree &tree,
|
---|
964 | const vector<BspLeaf *> &leaves)
|
---|
965 | {
|
---|
966 | vector<BspLeaf *>::const_iterator it, it_end = leaves.end();
|
---|
967 |
|
---|
968 | for (it = leaves.begin(); it != it_end; ++ it)
|
---|
969 | {
|
---|
970 | BspNodeGeometry geom;
|
---|
971 | tree.ConstructGeometry(*it, geom);
|
---|
972 |
|
---|
973 | ExportPolygons(geom.mPolys);
|
---|
974 | }
|
---|
975 | }
|
---|
976 |
|
---|
977 | void X3dExporter::ExportBspNodeSplits(BspNode *root,
|
---|
978 | const AxisAlignedBox3 &box,
|
---|
979 | const bool exportDepth,
|
---|
980 | const bool epsilon)
|
---|
981 | {
|
---|
982 | std::stack<BspSplitData> tStack;
|
---|
983 |
|
---|
984 | BspSplitData tData(root);
|
---|
985 | tStack.push(tData);
|
---|
986 |
|
---|
987 | PolygonContainer polys;
|
---|
988 | vector <int> depths;
|
---|
989 |
|
---|
990 | int maxDepth = 0;
|
---|
991 |
|
---|
992 | while (!tStack.empty())
|
---|
993 | {
|
---|
994 | // filter polygons donw the tree
|
---|
995 | BspSplitData tData = tStack.top();
|
---|
996 | tStack.pop();
|
---|
997 |
|
---|
998 | if (tData.mNode->IsLeaf())
|
---|
999 | {
|
---|
1000 | if (tData.mDepth > maxDepth)
|
---|
1001 | maxDepth = tData.mDepth;
|
---|
1002 | }
|
---|
1003 | else
|
---|
1004 | {
|
---|
1005 | BspInterior *interior = dynamic_cast<BspInterior *>(tData.mNode);
|
---|
1006 |
|
---|
1007 | // add current side of split plane
|
---|
1008 | if (tData.mNode != root)
|
---|
1009 | tData.mSides.push_back(tData.mIsFront);
|
---|
1010 |
|
---|
1011 | // bounded plane is added to the polygons
|
---|
1012 | Polygon3 *planePoly =
|
---|
1013 | box.CrossSection(interior->GetPlane());
|
---|
1014 |
|
---|
1015 | // do all the splits with the previous planes
|
---|
1016 | for (int i = 0; i < (int)tData.mPlanes.size(); ++ i)
|
---|
1017 | {
|
---|
1018 | if (planePoly->ClassifyPlane(tData.mPlanes[i], epsilon)
|
---|
1019 | == Polygon3::SPLIT)
|
---|
1020 | {
|
---|
1021 | Polygon3 *frontPoly = new Polygon3();
|
---|
1022 | Polygon3 *backPoly = new Polygon3();
|
---|
1023 |
|
---|
1024 | planePoly->Split(tData.mPlanes[i],
|
---|
1025 | *frontPoly,
|
---|
1026 | *backPoly,
|
---|
1027 | epsilon);
|
---|
1028 |
|
---|
1029 | DEL_PTR(planePoly);
|
---|
1030 |
|
---|
1031 | if(tData.mSides[i] == true)
|
---|
1032 | {
|
---|
1033 | planePoly = frontPoly;
|
---|
1034 | DEL_PTR(backPoly);
|
---|
1035 | }
|
---|
1036 | else
|
---|
1037 | {
|
---|
1038 | planePoly = backPoly;
|
---|
1039 | DEL_PTR(frontPoly);
|
---|
1040 | }
|
---|
1041 | }
|
---|
1042 | }
|
---|
1043 |
|
---|
1044 | tData.mPlanes.push_back(interior->GetPlane()); // add plane to split planes
|
---|
1045 |
|
---|
1046 | if (planePoly->Valid(epsilon))
|
---|
1047 | {
|
---|
1048 | polys.push_back(planePoly);
|
---|
1049 | depths.push_back(tData.mDepth);
|
---|
1050 | }
|
---|
1051 | else
|
---|
1052 | DEL_PTR(planePoly);
|
---|
1053 |
|
---|
1054 | // push the children on the stack
|
---|
1055 | tStack.push(BspSplitData(interior->GetFront(), tData.mPlanes,
|
---|
1056 | tData.mSides, true, tData.mDepth + 1));
|
---|
1057 | tStack.push(BspSplitData(interior->GetBack(), tData.mPlanes,
|
---|
1058 | tData.mSides, false, tData.mDepth + 1));
|
---|
1059 | }
|
---|
1060 | }
|
---|
1061 |
|
---|
1062 | if (maxDepth > 0)
|
---|
1063 | {
|
---|
1064 | mUseForcedMaterial = true;
|
---|
1065 |
|
---|
1066 | for (int i = 0; i < (int)polys.size(); ++ i)
|
---|
1067 | {
|
---|
1068 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
1069 | float importance = (float)depths[i]/ (float)maxDepth;
|
---|
1070 |
|
---|
1071 | mForcedMaterial.mDiffuseColor.r = importance;
|
---|
1072 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
1073 |
|
---|
1074 | ExportPolygon(polys[i]);
|
---|
1075 | }
|
---|
1076 | }
|
---|
1077 | else
|
---|
1078 | {
|
---|
1079 | ExportPolygons(polys);
|
---|
1080 | }
|
---|
1081 |
|
---|
1082 | CLEAR_CONTAINER(polys);
|
---|
1083 | }
|
---|
1084 |
|
---|
1085 | void X3dExporter::ExportBspSplits(const BspTree &tree,
|
---|
1086 | const bool exportDepth)
|
---|
1087 | {
|
---|
1088 | ExportBspNodeSplits(tree.GetRoot(),
|
---|
1089 | tree.GetBoundingBox(),
|
---|
1090 | exportDepth,
|
---|
1091 | tree.GetEpsilon());
|
---|
1092 | }
|
---|
1093 |
|
---|
1094 | void X3dExporter::ExportBspSplits(const VspBspTree &tree,
|
---|
1095 | const bool exportDepth)
|
---|
1096 | {
|
---|
1097 | ExportBspNodeSplits(tree.GetRoot(),
|
---|
1098 | tree.GetBoundingBox(),
|
---|
1099 | exportDepth,
|
---|
1100 | tree.GetEpsilon());
|
---|
1101 | }
|
---|
1102 |
|
---|
1103 | void X3dExporter::ExportBspSplitPlanes(const BspTree &tree)
|
---|
1104 | {
|
---|
1105 | std::stack<BspNode *> tStack;
|
---|
1106 |
|
---|
1107 | tStack.push(tree.GetRoot());
|
---|
1108 |
|
---|
1109 | PolygonContainer polys;
|
---|
1110 |
|
---|
1111 | while (!tStack.empty())
|
---|
1112 | {
|
---|
1113 | // filter polygons donw the tree
|
---|
1114 | BspNode *node = tStack.top();
|
---|
1115 | tStack.pop();
|
---|
1116 |
|
---|
1117 | if (!node->IsLeaf())
|
---|
1118 | {
|
---|
1119 | BspInterior *interior = dynamic_cast<BspInterior *>(node);
|
---|
1120 |
|
---|
1121 | // bounded plane is added to the polygons
|
---|
1122 | polys.push_back(tree.GetBoundingBox().CrossSection(interior->GetPlane()));
|
---|
1123 |
|
---|
1124 | // push the children on the stack
|
---|
1125 | tStack.push(interior->GetBack());
|
---|
1126 | tStack.push(interior->GetFront());
|
---|
1127 | }
|
---|
1128 | }
|
---|
1129 |
|
---|
1130 | ExportPolygons(polys);
|
---|
1131 | CLEAR_CONTAINER(polys);
|
---|
1132 | }
|
---|
1133 |
|
---|
1134 |
|
---|
1135 | void X3dExporter::ExportGeometry(const ObjectContainer &objects)
|
---|
1136 | {
|
---|
1137 | for (int j = 0; j < objects.size(); ++ j)
|
---|
1138 | ExportIntersectable(objects[j]);
|
---|
1139 | }
|
---|
1140 |
|
---|
1141 |
|
---|
1142 | bool
|
---|
1143 | X3dExporter::ExportRssTree2(const RssTree &tree,
|
---|
1144 | const Vector3 direction
|
---|
1145 | )
|
---|
1146 | {
|
---|
1147 | stack<RssTreeNode *> tStack;
|
---|
1148 |
|
---|
1149 |
|
---|
1150 | mUseForcedMaterial = true;
|
---|
1151 |
|
---|
1152 | Vector3 dirParam;
|
---|
1153 |
|
---|
1154 | dirParam.x = VssRay::GetDirParam(0, Normalize(direction));
|
---|
1155 | dirParam.y = VssRay::GetDirParam(1, Normalize(direction));
|
---|
1156 |
|
---|
1157 | float maxImportance = 0.0f;
|
---|
1158 | tStack.push(tree.GetRoot());
|
---|
1159 | while (!tStack.empty()) {
|
---|
1160 |
|
---|
1161 | RssTreeNode *node = tStack.top();
|
---|
1162 | tStack.pop();
|
---|
1163 |
|
---|
1164 | if (!node->IsLeaf()) {
|
---|
1165 | RssTreeInterior *interior = (RssTreeInterior *)node;
|
---|
1166 | if (interior->axis < 3) {
|
---|
1167 | tStack.push(interior->front);
|
---|
1168 | tStack.push(interior->back);
|
---|
1169 | } else {
|
---|
1170 | if (dirParam[interior->axis-3] < interior->position)
|
---|
1171 | tStack.push(interior->back);
|
---|
1172 | else
|
---|
1173 | tStack.push(interior->front);
|
---|
1174 | }
|
---|
1175 | } else {
|
---|
1176 | RssTreeLeaf *leaf = (RssTreeLeaf *)node;
|
---|
1177 | if (tree.ValidLeaf(leaf)) {
|
---|
1178 | float i = leaf->GetImportance();
|
---|
1179 | if (i > maxImportance)
|
---|
1180 | maxImportance = i;
|
---|
1181 | }
|
---|
1182 | }
|
---|
1183 | }
|
---|
1184 |
|
---|
1185 | tStack.push(tree.GetRoot());
|
---|
1186 | while (!tStack.empty()) {
|
---|
1187 |
|
---|
1188 | RssTreeNode *node = tStack.top();
|
---|
1189 | tStack.pop();
|
---|
1190 |
|
---|
1191 |
|
---|
1192 | if (!node->IsLeaf()) {
|
---|
1193 | RssTreeInterior *interior = (RssTreeInterior *)node;
|
---|
1194 | if (interior->axis < 3) {
|
---|
1195 | tStack.push(interior->front);
|
---|
1196 | tStack.push(interior->back);
|
---|
1197 | } else {
|
---|
1198 | if (dirParam[interior->axis-3] < interior->position)
|
---|
1199 | tStack.push(interior->back);
|
---|
1200 | else
|
---|
1201 | tStack.push(interior->front);
|
---|
1202 | }
|
---|
1203 | } else {
|
---|
1204 | RssTreeLeaf *leaf = (RssTreeLeaf *)node;
|
---|
1205 | if (tree.ValidLeaf(leaf)) {
|
---|
1206 | AxisAlignedBox3 box;
|
---|
1207 | box = tree.GetShrankedBBox(leaf);
|
---|
1208 | Mesh *mesh = new Mesh;
|
---|
1209 | box.AddBoxToMesh(mesh);
|
---|
1210 |
|
---|
1211 | // get 4 corners of the ray directions
|
---|
1212 |
|
---|
1213 | mForcedMaterial.mDiffuseColor.b = 1.0f;
|
---|
1214 | mForcedMaterial.mDiffuseColor.r = leaf->GetImportance()/maxImportance;
|
---|
1215 | mForcedMaterial.mDiffuseColor.g = 1.0f - mForcedMaterial.mDiffuseColor.r;
|
---|
1216 |
|
---|
1217 | ExportMesh(mesh);
|
---|
1218 | delete mesh;
|
---|
1219 | }
|
---|
1220 | }
|
---|
1221 | }
|
---|
1222 |
|
---|
1223 | mUseForcedMaterial = false;
|
---|
1224 |
|
---|
1225 | return true;
|
---|
1226 | }
|
---|
1227 |
|
---|
1228 |
|
---|
1229 | void
|
---|
1230 | X3dExporter::ExportViewpoint(const Vector3 &point,
|
---|
1231 | const Vector3 &direction)
|
---|
1232 | {
|
---|
1233 | stream<<"<Viewpoint "<<endl;
|
---|
1234 |
|
---|
1235 | stream<<"position=\""<<point.x<<" "<<point.y<<" "<<point.z<<"\""<<endl;
|
---|
1236 | // stream<<"orientation "<<direction.x<<direction.y<<direction.z<<endl;
|
---|
1237 |
|
---|
1238 | stream<<">"<<endl;
|
---|
1239 | stream<<"</Viewpoint>"<<endl;
|
---|
1240 |
|
---|
1241 | }
|
---|
1242 |
|
---|
1243 |
|
---|
1244 |
|
---|
1245 | void X3dExporter::ExportBeam(const Beam &beam, const AxisAlignedBox3 &box)
|
---|
1246 | {
|
---|
1247 | if (beam.mMesh)
|
---|
1248 | {
|
---|
1249 | ExportMesh(beam.mMesh);
|
---|
1250 | return;
|
---|
1251 | }
|
---|
1252 |
|
---|
1253 | PolygonContainer polys;
|
---|
1254 | //ExportBox(beam.mBox);
|
---|
1255 |
|
---|
1256 | const float zfar = 2.0f * Magnitude(box.Diagonal());
|
---|
1257 |
|
---|
1258 | // box should not never remove part of beam polygons
|
---|
1259 | Vector3 bmin = beam.mBox.Min() - Vector3(zfar * 2.0f);
|
---|
1260 | Vector3 bmax = beam.mBox.Max() + Vector3(zfar * 2.0f);
|
---|
1261 |
|
---|
1262 | AxisAlignedBox3 bbox(bmin, bmax);
|
---|
1263 | Plane3 fplane;
|
---|
1264 | fplane.mNormal = -beam.mPlanes[0].mNormal;
|
---|
1265 |
|
---|
1266 | fplane.mD = beam.mPlanes[0].mD - zfar - 1.0f;
|
---|
1267 |
|
---|
1268 | vector<Plane3> planes = beam.mPlanes;
|
---|
1269 | planes.push_back(fplane);
|
---|
1270 |
|
---|
1271 | for (int i = 0; i < planes.size(); ++ i)
|
---|
1272 | {
|
---|
1273 | Polygon3 *poly = bbox.CrossSection(planes[i]);
|
---|
1274 | if (!poly->Valid(Limits::Small))
|
---|
1275 | DEL_PTR(poly);
|
---|
1276 |
|
---|
1277 | for (int j = 0; (j < planes.size()) && poly; ++ j)
|
---|
1278 | {
|
---|
1279 | if (j != i)
|
---|
1280 | {
|
---|
1281 | Polygon3 *front = new Polygon3();
|
---|
1282 | Polygon3 *back = new Polygon3();
|
---|
1283 |
|
---|
1284 | poly->Split(planes[j], *front, *back, Limits::Small);
|
---|
1285 | DEL_PTR(poly);
|
---|
1286 | DEL_PTR(front);
|
---|
1287 |
|
---|
1288 | if (!back->Valid(Limits::Small))
|
---|
1289 | DEL_PTR(back);
|
---|
1290 | poly = back;
|
---|
1291 | }
|
---|
1292 | }
|
---|
1293 | if (poly)
|
---|
1294 | polys.push_back(poly);
|
---|
1295 | }
|
---|
1296 |
|
---|
1297 | ExportPolygons(polys);
|
---|
1298 | CLEAR_CONTAINER(polys);
|
---|
1299 | } |
---|