1 | #include "GeoMeshView.h"
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2 | #include <VertexData.h>
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3 |
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4 | using namespace Geometry;
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5 | using namespace std;
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6 |
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7 | //-------------------------------------------------------------------------
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8 | // Handle events.
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9 | //-------------------------------------------------------------------------
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10 | int GeoMeshView::handle(int event)
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11 | {
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12 | int key;
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13 | int button;
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14 | int x;
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15 | int y;
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16 |
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17 | if (geoMesh != NULL)
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18 | {
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19 | draw();
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20 | }
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21 |
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22 | switch(event)
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23 | {
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24 | case fltk::KEY:
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25 | case fltk::PUSH:
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26 |
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27 | button = fltk::event_key();
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28 | mMouseX = fltk::event_x();
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29 | mMouseY = fltk::event_y();
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30 |
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31 | return 1;
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32 |
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33 | case fltk::DRAG:
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34 |
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35 | button = fltk::event_key();
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36 | x = fltk::event_x();
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37 | y = fltk::event_y();
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38 |
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39 |
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40 | switch (button)
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41 | {
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42 | // Button 1 Pushed.
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43 | case 1:
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44 |
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45 | if (x > mMouseX)
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46 | {
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47 | if (mPan)
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48 | {
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49 | xshift = xshift + 0.01;
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50 | }
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51 | else
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52 | {
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53 | hAng = hAng + (x - mMouseX);
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54 | }
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55 | }
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56 | else
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57 | {
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58 | if (x < mMouseX)
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59 | {
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60 | if (mPan)
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61 | {
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62 | xshift = xshift - 0.01;
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63 | }
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64 | else
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65 | {
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66 | hAng = hAng - (mMouseX - x);
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67 | }
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68 | }
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69 | }
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70 |
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71 | if (y > mMouseY)
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72 | {
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73 | if (mPan)
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74 | {
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75 | yshift = yshift - 0.01;
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76 | }
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77 | else
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78 | {
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79 | vAng = vAng + (y - mMouseY);
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80 | }
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81 | }
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82 | else
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83 | {
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84 | if (y < mMouseY)
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85 | {
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86 | if (mPan)
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87 | {
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88 | yshift = yshift + 0.01;
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89 | }
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90 | else
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91 | {
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92 | vAng = vAng - (mMouseY - y);
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93 | }
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94 | }
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95 | }
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96 |
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97 | hAng = float(int(hAng) % 360);
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98 | vAng = float(int(vAng) % 360);
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99 |
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100 | mMouseX = x;
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101 | mMouseY = y;
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102 |
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103 | draw();
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104 |
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105 | return 1;
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106 |
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107 | // Button 3 pushed.
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108 | case 2:
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109 | case 3:
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110 |
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111 | if (y > mSizeY)
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112 | {
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113 | size++;
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114 | }
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115 | else
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116 | {
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117 | if (y < mSizeY)
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118 | {
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119 | size--;
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120 | }
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121 | }
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122 |
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123 | mSizeY = y;
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124 |
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125 | draw();
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126 |
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127 | return 1;
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128 |
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129 | }
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130 |
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131 | case fltk::MOUSEWHEEL:
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132 |
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133 | size = size + fltk::event_dy();
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134 | draw();
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135 | return 1;
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136 | }
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137 |
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138 | return fltk::GlWindow::handle(event);
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139 | }
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140 |
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141 | //---------------------------------------------------------------------------
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142 | // Get the number of frames per second.
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143 | //---------------------------------------------------------------------------
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144 | size_t GeoMeshView::getFPS()
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145 | {
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146 | return mFPS;
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147 | }
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148 |
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149 | //---------------------------------------------------------------------------
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150 | // Calculate the number of frames per second.
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151 | //---------------------------------------------------------------------------
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152 | void GeoMeshView::calcFPS()
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153 | {
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154 | double duration;
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155 | clock_t finish_time;
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156 |
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157 | // Gets the time.
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158 | finish_time = clock();
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159 |
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160 | // Calc the duration respect the start time.
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161 | duration = (double)((finish_time - mStartTime) / CLOCKS_PER_SEC);
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162 |
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163 | // Increments the number of frames per second.
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164 | mFPS++;
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165 |
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166 | // If a second have passed.
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167 | if (duration >= 1.0)
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168 | {
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169 | // Repaint the FPS.
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170 | mGeoMeshViewUI->refreshFPS(mFPS);
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171 |
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172 | mFPS = 0;
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173 | mStartTime = clock();
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174 | }
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175 | }
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176 |
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177 | //-------------------------------------------------------------------------
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178 | // Enable color strips.
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179 | //-------------------------------------------------------------------------
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180 | void GeoMeshView::enableColorStrips()
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181 | {
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182 | colorStripsFlag = true;
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183 | }
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184 |
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185 | //-------------------------------------------------------------------------
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186 | // Disable color strips.
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187 | //-------------------------------------------------------------------------
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188 | void GeoMeshView::disableColorStrips()
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189 | {
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190 | colorStripsFlag = false;
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191 | }
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192 |
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193 | //-------------------------------------------------------------------------
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194 | // Gets the color strips state.
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195 | //-------------------------------------------------------------------------
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196 | bool GeoMeshView::getColorStrips()
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197 | {
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198 | return colorStripsFlag;
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199 | }
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200 |
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201 | //-------------------------------------------------------------------------
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202 | // Set the color to the submesh sumbmeshIndex
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203 | //-------------------------------------------------------------------------
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204 | void GeoMeshView::setSubMeshSelected(int submeshIndex)
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205 | {
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206 | mSubMeshSelected = submeshIndex;
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207 | }
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208 |
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209 | //-------------------------------------------------------------------------
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210 | // Sets the leaves submesh index.
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211 | //-------------------------------------------------------------------------
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212 | void GeoMeshView::setLeavesSubMesh(int submeshIndex)
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213 | {
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214 | leavesSubMesh = submeshIndex;
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215 | }
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216 |
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217 | //-------------------------------------------------------------------------
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218 | // Gets the leaves submesh index.
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219 | //-------------------------------------------------------------------------
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220 | int GeoMeshView::getLeavesSubMesh()
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221 | {
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222 | return leavesSubMesh;
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223 | }
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224 |
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225 | //-------------------------------------------------------------------------
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226 | // Set the list of strip colors.
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227 | //-------------------------------------------------------------------------
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228 | void GeoMeshView::setStripColors()
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229 | {
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230 | SubMesh *geosubmesh;
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231 |
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232 | // Free memory of the strip colors array.
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233 | for (int submesh = 0; submesh < mStripColorsCount; submesh++)
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234 | {
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235 | delete []mStripColors[submesh];
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236 | }
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237 |
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238 | delete []mStripColors;
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239 |
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240 | // Initialize the Colors array.
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241 | mStripColors = new ColorElement*[geoMesh->mSubMeshCount];
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242 |
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243 | // Count the total number of strips y the submeshes.
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244 | for (int submesh = 0; submesh < geoMesh->mSubMeshCount; submesh++)
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245 | {
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246 | // Gets the actual submesh.
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247 | geosubmesh = &geoMesh->mSubMesh[submesh];
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248 |
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249 | if (geosubmesh->mType == GEO_TRIANGLE_STRIPS)
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250 | {
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251 | mStripColors[submesh] = new ColorElement[geosubmesh->mStripCount];
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252 | }
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253 | else
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254 | {
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255 | mStripColors[submesh] = NULL;
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256 | }
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257 | }
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258 |
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259 | // Sets random colors to each strip.
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260 | for (int submesh = 0; submesh < geoMesh->mSubMeshCount; submesh++)
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261 | {
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262 | // Gets the actual submesh.
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263 | geosubmesh = &geoMesh->mSubMesh[submesh];
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264 |
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265 | if (geosubmesh->mType == GEO_TRIANGLE_STRIPS)
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266 | {
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267 | for (int strip = 0; strip < geosubmesh->mStripCount; strip++)
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268 | {
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269 | mStripColors[submesh][strip].r = (0.6 * rand() + 0.4 * (float)RAND_MAX)/((float)RAND_MAX);
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270 | mStripColors[submesh][strip].g = (0.6 * rand() + 0.4 * (float)RAND_MAX)/((float)RAND_MAX);
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271 | mStripColors[submesh][strip].b = (0.6 * rand() + 0.4 * (float)RAND_MAX)/((float)RAND_MAX);
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272 | }
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273 | }
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274 | }
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275 |
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276 | // Sets the submesh count.
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277 | mStripColorsCount = geoMesh->mSubMeshCount;
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278 | }
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279 |
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280 | //-------------------------------------------------------------------------
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281 | // Get the bounding box of the object.
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282 | //-------------------------------------------------------------------------
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283 | void GeoMeshView::getBoundingBox()
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284 | {
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285 | float cx;
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286 | float cy;
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287 | float cz;
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288 | float scale;
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289 |
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290 | xMax = geoMesh->mMeshBounds.maxX;
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291 | yMax = geoMesh->mMeshBounds.maxY;
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292 | zMax = geoMesh->mMeshBounds.maxZ;
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293 | xMin = geoMesh->mMeshBounds.minX;
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294 | yMin = geoMesh->mMeshBounds.minY;
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295 | zMin = geoMesh->mMeshBounds.minZ;
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296 | scale = geoMesh->mMeshBounds.scaleFactor;
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297 |
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298 | // Calculate center of the model.
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299 | cx = (xMax + xMin) / 2.0f;
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300 | cy = (yMax + yMin) / 2.0f;
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301 | cz = (zMax + zMin) / 2.0f;
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302 |
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303 | xMax -= cx;
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304 | yMax -= cy;
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305 | zMax -= cz;
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306 | xMin -= cx;
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307 | yMin -= cy;
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308 | zMin -= cz;
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309 |
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310 | xMax *= scale;
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311 | yMax *= scale;
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312 | zMax *= scale;
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313 | xMin *= scale;
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314 | yMin *= scale;
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315 | zMin *= scale;
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316 | }
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317 |
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318 | //-------------------------------------------------------------------------
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319 | // Constructor.
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320 | //-------------------------------------------------------------------------
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321 | GeoMeshView::GeoMeshView( int x,
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322 | int y,
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323 | int w,
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324 | int h,
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325 | const char *l,
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326 | GeoMeshViewUI *geoMeshViewUI)
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327 | : fltk::GlWindow(x,y,w,h,l)
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328 | {
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329 | mStripColors = NULL;
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330 | mSharedPosArray = NULL;
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331 | mSharedNorArray = NULL;
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332 | mSharedTexCoordArray = NULL;
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333 | mPosArray = NULL;
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334 | mNorArray = NULL;
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335 | mTexCoordArray = NULL;
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336 | mIndexArray = NULL;
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337 | vAng = 0.0;
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338 | hAng = 0.0;
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339 | size = 0.0;
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340 | mSizeY = 0;
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341 | xshift = 0.0;
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342 | yshift = 0.0;
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343 | geoMesh = 0;
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344 | mRotate = true;
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345 | mPan = false;
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346 | mLodStrip = false;
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347 | mLodTree = false;
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348 | mIdVisualList = 0;
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349 | mSubMeshCount = 0;
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350 | mStripColorsCount = 0;
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351 |
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352 | // Initialize the model view.
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353 | deactiveWire();
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354 | deactiveSolid();
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355 | activeRotate();
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356 | deactiveCW();
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357 | activeCCW();
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358 |
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359 | // Initialize start time for FPS.
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360 | mStartTime = clock();
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361 |
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362 | // Cross Reference.
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363 | mGeoMeshViewUI = geoMeshViewUI;
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364 | current_texture = 0;
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365 |
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366 | current_texture_submesh = NULL;
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367 | use_texture_mapping = true;
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368 | }
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369 |
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370 | // The color used for the edges of the bounding cube.
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371 | #define CUBECOLOR 255,255,255,255
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372 |
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373 | /* Draw a colored cube */
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374 | #define ALPHA 0.5
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375 |
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376 | //-------------------------------------------------------------------------
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377 | // Sets the Mesh to display.
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378 | //-------------------------------------------------------------------------
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379 | void GeoMeshView::setMesh(Mesh *geomesh)
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380 | {
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381 | GLfloat white_color[] = {1.0f,1.0f,1.0f,1.0f};
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382 |
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383 | this->geoMesh = geomesh;
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384 | mSubMeshSelected = -1;
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385 | leavesSubMesh = -1;
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386 | mScaleFactor = geomesh->mMeshBounds.scaleFactor;
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387 |
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388 | // Gets boundings of mesh.
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389 | getBoundingBox();
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390 |
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391 | // Refresh vertices to the vertex array.
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392 | refreshVertices(geomesh);
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393 |
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394 | glMaterialfv(GL_FRONT_AND_BACK,GL_DIFFUSE,white_color);
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395 |
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396 | if (current_texture_submesh)
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397 | {
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398 | delete [] current_texture_submesh;
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399 | }
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400 |
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401 | current_texture_submesh = new GLuint[getSubMeshCount()];
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402 |
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403 | for (int i = 0; i < getSubMeshCount(); i++)
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404 | {
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405 | current_texture_submesh[i] = 0;
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406 |
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407 | LoadTextureSubMesh(i, mMeshTexFiles[i].c_str());
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408 | }
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409 | }
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410 |
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411 | //-------------------------------------------------------------------------
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412 | // Refresh vertices to the vertex array.
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413 | //-------------------------------------------------------------------------
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414 | void GeoMeshView::refreshVertices(Mesh *geomesh)
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415 | {
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416 | SubMesh *geosubmesh;
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417 | VertexBuffer *vertex_buffer;
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418 |
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419 | // If the vertex array exists.
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420 | if (mSubMeshCount > 0)
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421 | {
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422 | for (int submesh = 0; submesh < mSubMeshCount; submesh++)
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423 | {
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424 | delete [] mPosArray[submesh];
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425 | delete [] mNorArray[submesh];
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426 | delete [] mIndexArray[submesh];
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427 | delete [] mTexCoordArray[submesh];
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428 | }
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429 |
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430 | delete [] mSharedPosArray;
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431 | delete [] mSharedNorArray;
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432 | delete [] mSharedTexCoordArray;
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433 | delete [] mPosArray;
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434 | delete [] mNorArray;
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435 | delete [] mIndexArray;
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436 | }
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437 |
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438 | // If there is shared vertex.
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439 | if (geomesh->mVertexBuffer != NULL)
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440 | {
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441 | vertex_buffer = geomesh->mVertexBuffer;
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442 |
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443 | // Allocate memory.
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444 | mSharedPosArray = new GLfloat[vertex_buffer->mVertexCount * 3];
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445 | mSharedNorArray = new GLfloat[vertex_buffer->mVertexCount * 3];
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446 |
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447 | if (vertex_buffer->mTexCoords)
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448 | {
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449 | mSharedTexCoordArray = new GLfloat[vertex_buffer->mVertexCount * 2];
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450 | }
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451 | else
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452 | {
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453 | mSharedTexCoordArray = NULL;
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454 | }
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455 |
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456 | for (int vertex = 0; vertex < vertex_buffer->mVertexCount; vertex++)
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457 | {
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458 | mSharedPosArray[3 * vertex] = vertex_buffer->mPosition[vertex].x;
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459 | mSharedPosArray[(3 * vertex) + 1] = vertex_buffer->mPosition[vertex].y;
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460 | mSharedPosArray[(3 * vertex) + 2] = vertex_buffer->mPosition[vertex].z;
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461 |
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462 | mSharedNorArray[3 * vertex] = vertex_buffer->mNormal[vertex].x;
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463 | mSharedNorArray[(3 * vertex) + 1] = vertex_buffer->mNormal[vertex].y;
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464 | mSharedNorArray[(3 * vertex) + 2] = vertex_buffer->mNormal[vertex].z;
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465 |
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466 | if (vertex_buffer->mTexCoords)
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467 | {
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468 | mSharedTexCoordArray[2 * vertex] = vertex_buffer->
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469 | mTexCoords[vertex].x;
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470 |
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471 | mSharedTexCoordArray[(2 * vertex) + 1] = vertex_buffer->
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472 | mTexCoords[vertex].y;
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473 | }
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474 | }
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475 | }
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476 |
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477 | // Build the arrays of vertices and indices.
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478 | mPosArray = new GLfloat*[geomesh->mSubMeshCount];
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479 | mNorArray = new GLfloat*[geomesh->mSubMeshCount];
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480 | mTexCoordArray = new GLfloat*[geomesh->mSubMeshCount];
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481 | mIndexArray = new GLuint*[geomesh->mSubMeshCount];
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482 |
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483 | // For each submesh.
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484 | for (int submesh = 0; submesh < geomesh->mSubMeshCount; submesh++)
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485 | {
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486 | // Gets the actual submesh.
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487 | geosubmesh = &geomesh->mSubMesh[submesh];
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488 |
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489 | // Allocate memory for index array of the actual submesh.
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490 | mIndexArray[submesh] = new GLuint[geosubmesh->mIndexCount];
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491 |
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492 | // Gets the indices of the actual submesh.
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493 | for (int index = 0; index < geosubmesh->mIndexCount; index++)
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494 | {
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495 | mIndexArray[submesh][index] = geosubmesh->mIndex[index];
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496 | }
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497 |
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498 | // If the submesh is NOT shared vertex.
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499 | if (!geosubmesh->mSharedVertexBuffer)
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500 | {
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501 | vertex_buffer = geosubmesh->mVertexBuffer;
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502 |
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503 | // Allocate memory for vertices of the actual submesh.
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504 | mPosArray[submesh] = new GLfloat[vertex_buffer->mVertexCount * 3];
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505 | mNorArray[submesh] = new GLfloat[vertex_buffer->mVertexCount * 3];
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506 | mTexCoordArray[submesh] = new GLfloat[vertex_buffer->mVertexCount * 2];
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507 |
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508 | // For each one of the vertex.
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509 | for (int vertex = 0; vertex < vertex_buffer->mVertexCount; vertex++)
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510 | {
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511 | mPosArray[submesh][3 * vertex] = vertex_buffer->mPosition[vertex].x;
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---|
512 | mPosArray[submesh][(3 * vertex) + 1] = vertex_buffer->mPosition[vertex].y;
|
---|
513 | mPosArray[submesh][(3 * vertex) + 2] = vertex_buffer->mPosition[vertex].z;
|
---|
514 |
|
---|
515 | mNorArray[submesh][3 * vertex] = vertex_buffer->mNormal[vertex].x;
|
---|
516 | mNorArray[submesh][(3 * vertex) + 1] = vertex_buffer->mNormal[vertex].y;
|
---|
517 | mNorArray[submesh][(3 * vertex) + 2] = vertex_buffer->mNormal[vertex].z;
|
---|
518 |
|
---|
519 | mTexCoordArray[submesh][2 * vertex] = vertex_buffer->mTexCoords[vertex].x;
|
---|
520 | mTexCoordArray[submesh][(2 * vertex) + 1] = vertex_buffer->mTexCoords[vertex].y;
|
---|
521 | }// End for each vertex.
|
---|
522 | }
|
---|
523 | // If the submesh is shared vertex.
|
---|
524 | else
|
---|
525 | {
|
---|
526 | mPosArray[submesh] = NULL;
|
---|
527 | mNorArray[submesh] = NULL;
|
---|
528 | mTexCoordArray[submesh] = NULL;
|
---|
529 | }
|
---|
530 |
|
---|
531 | }// End for each submesh.
|
---|
532 |
|
---|
533 | mSubMeshCount = geoMesh->mSubMeshCount;
|
---|
534 | }
|
---|
535 |
|
---|
536 | //-------------------------------------------------------------------------
|
---|
537 | // Gets the triangle count of the current lod.
|
---|
538 | //-------------------------------------------------------------------------
|
---|
539 | size_t GeoMeshView::getLodStripsTriangleCount()
|
---|
540 | {
|
---|
541 | // For each strip.
|
---|
542 | // MultiIndexData *dataInterface = lodStripsLib->dataRetrievalInterface;
|
---|
543 | /* IndexData *dataInterface = lodStripsLib->dataRetrievalInterface;
|
---|
544 | size_t triangle_count = dataInterface->GetNumValidIndices() - 2;
|
---|
545 |
|
---|
546 | return triangle_count;*/
|
---|
547 |
|
---|
548 | return lodStripsLib->GetCurrentTriangleCount();
|
---|
549 | }
|
---|
550 |
|
---|
551 | //-------------------------------------------------------------------------
|
---|
552 | // Repaint the Mesh.
|
---|
553 | //-------------------------------------------------------------------------
|
---|
554 | void GeoMeshView::drawGeoMesh(bool paintWire)
|
---|
555 | {
|
---|
556 | SubMesh *geosubmesh;
|
---|
557 | bool submesh_selected;
|
---|
558 |
|
---|
559 | if (geoMesh)
|
---|
560 | {
|
---|
561 | if (mLodStrip)
|
---|
562 | {
|
---|
563 | drawLodStrip();
|
---|
564 | }
|
---|
565 | else if (mLodTree)
|
---|
566 | {
|
---|
567 | drawLodTree();
|
---|
568 | }
|
---|
569 | else
|
---|
570 | {
|
---|
571 | for (int submesh = 0; submesh < geoMesh->mSubMeshCount; submesh++)
|
---|
572 | {
|
---|
573 | // Gets the actual submesh.
|
---|
574 | geosubmesh = &geoMesh->mSubMesh[submesh];
|
---|
575 |
|
---|
576 | if (geosubmesh->mType == GEO_TRIANGLE_LIST)
|
---|
577 | {
|
---|
578 | if (mSubMeshSelected == submesh)
|
---|
579 | {
|
---|
580 | submesh_selected = true;
|
---|
581 | }
|
---|
582 | else
|
---|
583 | {
|
---|
584 | submesh_selected = false;
|
---|
585 | }
|
---|
586 |
|
---|
587 | // Draw the actual submesh in triangle list.
|
---|
588 | drawTriangleList(submesh,submesh_selected,paintWire);
|
---|
589 | }
|
---|
590 | else
|
---|
591 | {
|
---|
592 | // Draw the actual submesh in triangle strip.
|
---|
593 | drawTriangleStrip(submesh);
|
---|
594 | }
|
---|
595 | }
|
---|
596 | }
|
---|
597 | }
|
---|
598 | }// End drawGeoMesh.
|
---|
599 |
|
---|
600 | //-------------------------------------------------------------------------
|
---|
601 | // Paint eah strip separately.
|
---|
602 | //-------------------------------------------------------------------------
|
---|
603 | void GeoMeshView::drawTriangleStrip(int submesh)
|
---|
604 | {
|
---|
605 | SubMesh *geosubmesh;
|
---|
606 | Index position;
|
---|
607 | Vector3 vector3;
|
---|
608 | Vector2 vector2;
|
---|
609 | float x,y,z;
|
---|
610 | float r,g,b;
|
---|
611 | Index *index;
|
---|
612 | Index *indexBegin;
|
---|
613 | Index *indexEnd;
|
---|
614 | int color_index;
|
---|
615 |
|
---|
616 | color_index = 0;
|
---|
617 |
|
---|
618 | // Gets the actual submesh.
|
---|
619 | geosubmesh = &geoMesh->mSubMesh[submesh];
|
---|
620 |
|
---|
621 | // bind current texture to use
|
---|
622 | bool usetex = SetTextureRenderingState(submesh);
|
---|
623 |
|
---|
624 | // For each one of the strips.
|
---|
625 | for (int strip = 0; strip < geosubmesh->mStripCount; strip++)
|
---|
626 | {
|
---|
627 | // Paint the current strip.
|
---|
628 |
|
---|
629 | // First index of the strip.
|
---|
630 | indexBegin = geosubmesh->mStrip[strip];
|
---|
631 |
|
---|
632 | // If the strips is not the first.
|
---|
633 | //if (strip != 0)
|
---|
634 | //{
|
---|
635 | // indexBegin++;
|
---|
636 | //}
|
---|
637 |
|
---|
638 | int size= 0;
|
---|
639 | // If is the final strip
|
---|
640 | if (strip == (geosubmesh->mStripCount - 1))
|
---|
641 | {
|
---|
642 | // The end of the index array.
|
---|
643 | indexEnd = &geosubmesh->mIndex[geosubmesh->mIndexCount];
|
---|
644 | size= indexEnd - indexBegin;
|
---|
645 | }
|
---|
646 | else
|
---|
647 | {
|
---|
648 | // The beginning of the next strip.
|
---|
649 | indexEnd = geosubmesh->mStrip[strip + 1];
|
---|
650 |
|
---|
651 | for (index = indexBegin; index < indexEnd; index++)
|
---|
652 | {
|
---|
653 | size++;
|
---|
654 | }
|
---|
655 | // Remove degenerated
|
---|
656 | //indexEnd--;
|
---|
657 | }
|
---|
658 |
|
---|
659 | int i;
|
---|
660 | i = 0;
|
---|
661 |
|
---|
662 | if (getColorStrips())
|
---|
663 | {
|
---|
664 | // Gets the color of the strip.
|
---|
665 | r = mStripColors[submesh][color_index].r;
|
---|
666 | g = mStripColors[submesh][color_index].g;
|
---|
667 | b = mStripColors[submesh][color_index].b;
|
---|
668 |
|
---|
669 | // Change to the next color.
|
---|
670 | color_index++;
|
---|
671 |
|
---|
672 | // Paint a new color.
|
---|
673 | glColor3f(r,g,b);
|
---|
674 | GLfloat color[] = {r,g,b,1.0f};
|
---|
675 | glMaterialfv(GL_FRONT_AND_BACK,GL_DIFFUSE,color);
|
---|
676 | }
|
---|
677 |
|
---|
678 | //VERTEX ARRAYS
|
---|
679 | glEnableClientState(GL_VERTEX_ARRAY);
|
---|
680 | glEnableClientState(GL_NORMAL_ARRAY);
|
---|
681 |
|
---|
682 | if (usetex)
|
---|
683 | {
|
---|
684 | glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
---|
685 | }
|
---|
686 | else
|
---|
687 | {
|
---|
688 | glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
---|
689 | }
|
---|
690 |
|
---|
691 | glVertexPointer(3, GL_FLOAT, 0, geosubmesh->mVertexBuffer->mPosition);
|
---|
692 | glNormalPointer(GL_FLOAT, 0, geosubmesh->mVertexBuffer->mNormal);
|
---|
693 |
|
---|
694 | if (usetex)
|
---|
695 | {
|
---|
696 | glTexCoordPointer(2, GL_FLOAT, 0, geosubmesh->mVertexBuffer->mTexCoords);
|
---|
697 | }
|
---|
698 |
|
---|
699 | glDrawElements( GL_TRIANGLE_STRIP,
|
---|
700 | size,
|
---|
701 | GL_UNSIGNED_INT,
|
---|
702 | indexBegin);
|
---|
703 |
|
---|
704 | if (submesh == leavesSubMesh)
|
---|
705 | {
|
---|
706 | glDisable(GL_ALPHA_TEST);
|
---|
707 | glLightModeli(GL_LIGHT_MODEL_TWO_SIDE,0);
|
---|
708 | }
|
---|
709 | }
|
---|
710 | }//End drawTriangleStrip.
|
---|
711 |
|
---|
712 | //-------------------------------------------------------------------------
|
---|
713 | // Paint the array of indices.
|
---|
714 | //-------------------------------------------------------------------------
|
---|
715 | void GeoMeshView::drawTriangleList( int submesh,
|
---|
716 | bool selectedSubMesh,
|
---|
717 | bool paintWire)
|
---|
718 | {
|
---|
719 | SubMesh *geosubmesh;
|
---|
720 | Index position;
|
---|
721 | Vector3 vector3;
|
---|
722 | float x,y,z;
|
---|
723 | int idx_offset;
|
---|
724 | int vrt_offset;
|
---|
725 |
|
---|
726 | // Index offset.
|
---|
727 | idx_offset = 0;
|
---|
728 |
|
---|
729 | // Vertex offset.
|
---|
730 | vrt_offset = 0;
|
---|
731 |
|
---|
732 | // Gets the actual submesh.
|
---|
733 | geosubmesh = &geoMesh->mSubMesh[submesh];
|
---|
734 |
|
---|
735 | // bind current texture to use
|
---|
736 | bool usetex = SetTextureRenderingState(submesh);
|
---|
737 |
|
---|
738 | // If wire is not selected.
|
---|
739 | if (!paintWire)
|
---|
740 | {
|
---|
741 | // If a mesh is selected.
|
---|
742 | if (selectedSubMesh)
|
---|
743 | {
|
---|
744 | glColor3d(1.0,0.0,0.0);
|
---|
745 | GLfloat red[] = {1.0f,0.0f,0.0f,1.0f};
|
---|
746 | glMaterialfv(GL_FRONT_AND_BACK,GL_DIFFUSE,red);
|
---|
747 | }
|
---|
748 | // If is a tree.
|
---|
749 | else if (leavesSubMesh >= 0)
|
---|
750 | {
|
---|
751 | glColor3d(1.0, 0.5, 0.5);
|
---|
752 | GLfloat brown[] = {1.0f,0.5f,0.5f,1.0f};
|
---|
753 | glMaterialfv(GL_FRONT_AND_BACK,GL_DIFFUSE,brown);
|
---|
754 |
|
---|
755 | // For each index of the strip.
|
---|
756 | if (submesh == leavesSubMesh)
|
---|
757 | {
|
---|
758 | if (!usetex)
|
---|
759 | {
|
---|
760 | glColor3d(0.0,1.0,0.0);
|
---|
761 | GLfloat green[] = {0.0f,1.0f,0.0f,1.0f};
|
---|
762 | glMaterialfv(GL_FRONT_AND_BACK,GL_DIFFUSE,green);
|
---|
763 | }
|
---|
764 | else
|
---|
765 | {
|
---|
766 | glEnable(GL_ALPHA_TEST);
|
---|
767 | glAlphaFunc(GL_GREATER,0.5f);
|
---|
768 | glLightModeli(GL_LIGHT_MODEL_TWO_SIDE,1);
|
---|
769 | }
|
---|
770 | }
|
---|
771 | }
|
---|
772 | // If is NOT a tree.
|
---|
773 | else
|
---|
774 | {
|
---|
775 | // Set white color to the object.
|
---|
776 | glColor3d(1.0, 1.0, 1.0);
|
---|
777 | GLfloat white[] = {1.0f,1.0f,1.0f,1.0f};
|
---|
778 | glMaterialfv(GL_FRONT_AND_BACK,GL_DIFFUSE,white);
|
---|
779 | }
|
---|
780 | }
|
---|
781 |
|
---|
782 | if (usetex)
|
---|
783 | {
|
---|
784 | glColor4f(1.0f,1.0f,1.0f,1.0f);
|
---|
785 | GLfloat white[] = {1.0f,1.0f,1.0f,1.0f};
|
---|
786 | glMaterialfv(GL_FRONT_AND_BACK,GL_DIFFUSE,white);
|
---|
787 | }
|
---|
788 |
|
---|
789 | // Enable arrays.
|
---|
790 | glEnableClientState(GL_VERTEX_ARRAY);
|
---|
791 | glEnableClientState(GL_NORMAL_ARRAY);
|
---|
792 | if (usetex)
|
---|
793 | glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
---|
794 | else
|
---|
795 | glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
---|
796 |
|
---|
797 | // If the submesh is shared vertex.
|
---|
798 | if (geosubmesh->mSharedVertexBuffer)
|
---|
799 | {
|
---|
800 | glVertexPointer(3, GL_FLOAT, 0, mSharedPosArray);
|
---|
801 | glNormalPointer(GL_FLOAT, 0, mSharedNorArray);
|
---|
802 | if (usetex)
|
---|
803 | glTexCoordPointer(2, GL_FLOAT, 0, mSharedTexCoordArray);
|
---|
804 | }
|
---|
805 | else
|
---|
806 | {
|
---|
807 | glVertexPointer(3, GL_FLOAT, 0, mPosArray[submesh]);
|
---|
808 | glNormalPointer(GL_FLOAT, 0, mNorArray[submesh]);
|
---|
809 | if (usetex)
|
---|
810 | glTexCoordPointer(2, GL_FLOAT, 0, mTexCoordArray[submesh]);
|
---|
811 | }
|
---|
812 |
|
---|
813 | glDrawElements( GL_TRIANGLES,
|
---|
814 | geosubmesh->mIndexCount,
|
---|
815 | GL_UNSIGNED_INT,
|
---|
816 |
|
---|
817 | mIndexArray[submesh]);
|
---|
818 |
|
---|
819 | if (submesh==leavesSubMesh)
|
---|
820 | {
|
---|
821 | glDisable(GL_ALPHA_TEST);
|
---|
822 | glLightModeli(GL_LIGHT_MODEL_TWO_SIDE,0);
|
---|
823 | }
|
---|
824 |
|
---|
825 | }//End drawTriangleList
|
---|
826 |
|
---|
827 | //-------------------------------------------------------------------------
|
---|
828 | // Paint lodstrip object.
|
---|
829 | //-------------------------------------------------------------------------
|
---|
830 | void GeoMeshView::drawLodStrip()
|
---|
831 | {
|
---|
832 | SubMesh *geosubmesh;
|
---|
833 | Index position;
|
---|
834 | Vector3 vector3;
|
---|
835 | Vector2 vector2;
|
---|
836 | float x,y,z;
|
---|
837 | float r,g,b;
|
---|
838 | int color_index;
|
---|
839 | int current_strip;
|
---|
840 |
|
---|
841 | // Initialize current strip.
|
---|
842 | current_strip = 0;
|
---|
843 |
|
---|
844 | // For each submesh.
|
---|
845 | for (int submesh = 0; submesh < geoMesh->mSubMeshCount; submesh++)
|
---|
846 | {
|
---|
847 | // bind current texture to use
|
---|
848 | bool usetex = SetTextureRenderingState(submesh);
|
---|
849 |
|
---|
850 | color_index = 0;
|
---|
851 |
|
---|
852 | // Gets the actual submesh.
|
---|
853 | geosubmesh = &geoMesh->mSubMesh[submesh];
|
---|
854 |
|
---|
855 | // For each one of the strips.
|
---|
856 | int indices_to_render = lodStripsLib->GetValidIndexCount(submesh);
|
---|
857 |
|
---|
858 | glBegin(GL_TRIANGLE_STRIP);
|
---|
859 |
|
---|
860 | for ( int index = 0;
|
---|
861 | index < mGeoMeshViewUI->lod_index_data->indexCount[submesh];
|
---|
862 | index ++)
|
---|
863 | {
|
---|
864 | position = mGeoMeshViewUI->lod_index_data->indices[submesh][index];
|
---|
865 |
|
---|
866 | // Gets the vertex normal.
|
---|
867 | vector3 = geosubmesh->mVertexBuffer->mNormal[position];
|
---|
868 |
|
---|
869 | x = vector3[0];
|
---|
870 | y = vector3[1];
|
---|
871 | z = vector3[2];
|
---|
872 |
|
---|
873 | // Sets the vertex normal.
|
---|
874 | glNormal3f(x,y,z);
|
---|
875 |
|
---|
876 | // set the texture coordinates if needed
|
---|
877 | if (usetex)
|
---|
878 | {
|
---|
879 | vector2 = geosubmesh->mVertexBuffer->mTexCoords[position];
|
---|
880 | x = vector2[0];
|
---|
881 | y = vector2[1];
|
---|
882 |
|
---|
883 | glTexCoord2f(x,y);
|
---|
884 | }
|
---|
885 |
|
---|
886 | // Gets the vertex coordinates.
|
---|
887 | vector3 = geosubmesh->mVertexBuffer->mPosition[position];
|
---|
888 |
|
---|
889 | x = vector3[0];
|
---|
890 | y = vector3[1];
|
---|
891 | z = vector3[2];
|
---|
892 |
|
---|
893 | // Sets the vertex position.
|
---|
894 | glVertex3f(x,y,z);
|
---|
895 | }
|
---|
896 | glEnd();
|
---|
897 |
|
---|
898 | }
|
---|
899 |
|
---|
900 | }//End drawTriangleStrip.
|
---|
901 |
|
---|
902 | //-------------------------------------------------------------------------
|
---|
903 | // Paint lodtree object.
|
---|
904 | //-------------------------------------------------------------------------
|
---|
905 | void GeoMeshView::drawLodTree()
|
---|
906 | {
|
---|
907 | SubMesh *geosubmesh;
|
---|
908 | Index position;
|
---|
909 | Vector3 vector3;
|
---|
910 | Vector2 vector2;
|
---|
911 | float x,y,z;
|
---|
912 | float r,g,b;
|
---|
913 | int color_index;
|
---|
914 | int current_strip;
|
---|
915 |
|
---|
916 | // Initialize current strip.
|
---|
917 | current_strip = 0;
|
---|
918 |
|
---|
919 | // DRAW THE TRUNK AS A LODSTRIP OBJECT
|
---|
920 | // For each submesh.
|
---|
921 | for (int submesh = 0; submesh < geoMesh->mSubMeshCount; submesh++)
|
---|
922 | {
|
---|
923 | if (submesh == lodTreeLib->GetLeavesSubMesh())
|
---|
924 | {
|
---|
925 | continue;
|
---|
926 | }
|
---|
927 |
|
---|
928 | // bind current texture to use
|
---|
929 | bool usetex = SetTextureRenderingState(submesh);
|
---|
930 |
|
---|
931 | color_index = 0;
|
---|
932 |
|
---|
933 | // Gets the actual submesh.
|
---|
934 | geosubmesh = &geoMesh->mSubMesh[submesh];
|
---|
935 |
|
---|
936 | // For each one of the strips.
|
---|
937 | int indices_to_render = lodTreeLib->GetValidTrunkIndexCount(submesh);
|
---|
938 |
|
---|
939 | glBegin(GL_TRIANGLE_STRIP);
|
---|
940 |
|
---|
941 | for ( int index = 0;
|
---|
942 | index < mGeoMeshViewUI->lod_index_data->indexCount[submesh];
|
---|
943 | index ++)
|
---|
944 | {
|
---|
945 | position = mGeoMeshViewUI->lod_index_data->indices[submesh][index];
|
---|
946 |
|
---|
947 | // Gets the vertex normal.
|
---|
948 | vector3 = geosubmesh->mVertexBuffer->mNormal[position];
|
---|
949 |
|
---|
950 | x = vector3[0];
|
---|
951 | y = vector3[1];
|
---|
952 | z = vector3[2];
|
---|
953 |
|
---|
954 | // Sets the vertex normal.
|
---|
955 | glNormal3f(x,y,z);
|
---|
956 |
|
---|
957 | // set the texture coordinates if needed
|
---|
958 | if (usetex)
|
---|
959 | {
|
---|
960 | vector2 = geosubmesh->mVertexBuffer->mTexCoords[position];
|
---|
961 | x = vector2[0];
|
---|
962 | y = vector2[1];
|
---|
963 | glTexCoord2f(x,y);
|
---|
964 | }
|
---|
965 |
|
---|
966 | // Gets the vertex coordinates.
|
---|
967 | vector3 = geosubmesh->mVertexBuffer->mPosition[position];
|
---|
968 |
|
---|
969 | x = vector3[0];
|
---|
970 | y = vector3[1];
|
---|
971 | z = vector3[2];
|
---|
972 |
|
---|
973 | // Sets the vertex position.
|
---|
974 | glVertex3f(x,y,z);
|
---|
975 | }
|
---|
976 | glEnd();
|
---|
977 | }
|
---|
978 |
|
---|
979 | // DRAW THE LEAVES AS A TRIANGLE SOUP
|
---|
980 | // bind current texture to use
|
---|
981 | bool usetex = SetTextureRenderingState(leavesSubMesh);
|
---|
982 |
|
---|
983 | glEnable(GL_ALPHA_TEST);
|
---|
984 | glAlphaFunc(GL_GREATER,0.5f);
|
---|
985 | glLightModeli(GL_LIGHT_MODEL_TWO_SIDE,1);
|
---|
986 |
|
---|
987 | glBegin(GL_TRIANGLES);
|
---|
988 |
|
---|
989 | SubMesh & foliageSubMesh = geoMesh->mSubMesh[lodTreeLib->GetLeavesSubMesh()];
|
---|
990 | Vector3 auxv;
|
---|
991 |
|
---|
992 | for ( int j = 0;
|
---|
993 | j < mGeoMeshViewUI->lod_index_data->
|
---|
994 | indexCount[lodTreeLib->GetLeavesSubMesh()];
|
---|
995 | j++)
|
---|
996 | {
|
---|
997 | int k = mGeoMeshViewUI->lod_index_data->
|
---|
998 | indices[lodTreeLib->GetLeavesSubMesh()][j];
|
---|
999 |
|
---|
1000 | if (usetex)
|
---|
1001 | {
|
---|
1002 | Vector2 tc = foliageSubMesh.mVertexBuffer->mTexCoords[k];
|
---|
1003 | glTexCoord2f(tc.x,tc.y);
|
---|
1004 | }
|
---|
1005 |
|
---|
1006 | auxv = foliageSubMesh.mVertexBuffer->mNormal[k];
|
---|
1007 |
|
---|
1008 | glNormal3f(auxv.x,auxv.y,auxv.z);
|
---|
1009 |
|
---|
1010 | auxv = foliageSubMesh.mVertexBuffer->mPosition[k];
|
---|
1011 |
|
---|
1012 | glVertex3f(auxv.x,auxv.y,auxv.z);
|
---|
1013 | }
|
---|
1014 |
|
---|
1015 | glEnd();
|
---|
1016 |
|
---|
1017 | glColor3f(1,1,1);
|
---|
1018 | glDisable(GL_ALPHA_TEST);
|
---|
1019 | glLightModeli(GL_LIGHT_MODEL_TWO_SIDE,0);
|
---|
1020 | }
|
---|
1021 |
|
---|
1022 | //-------------------------------------------------------------------------
|
---|
1023 | // Sets the lodstripslibrary object.
|
---|
1024 | //-------------------------------------------------------------------------
|
---|
1025 | void GeoMeshView::setLodStripsLibrary(LodStripsLibrary *lodstrips)
|
---|
1026 | {
|
---|
1027 | lodStripsLib = lodstrips;
|
---|
1028 | activeLodStrip();
|
---|
1029 | }
|
---|
1030 |
|
---|
1031 | //-------------------------------------------------------------------------
|
---|
1032 | // Sets the lodtreeslibrary object.
|
---|
1033 | //-------------------------------------------------------------------------
|
---|
1034 | void GeoMeshView::setLodTreesLibrary(LodTreeLibrary *lodtrees)
|
---|
1035 | {
|
---|
1036 | lodTreeLib = lodtrees;
|
---|
1037 | activeLodTree();
|
---|
1038 | }
|
---|
1039 |
|
---|
1040 | //-------------------------------------------------------------------------
|
---|
1041 | // Change de Level of detail of the object.
|
---|
1042 | //-------------------------------------------------------------------------
|
---|
1043 | void GeoMeshView::GoToLod_LodStrip(float lod)
|
---|
1044 | {
|
---|
1045 | if (mLodStrip)
|
---|
1046 | {
|
---|
1047 | lodStripsLib->GoToLod(lod);
|
---|
1048 | }
|
---|
1049 |
|
---|
1050 | if (mLodTree)
|
---|
1051 | {
|
---|
1052 | lodTreeLib->GoToTrunkLod(lod);
|
---|
1053 | }
|
---|
1054 |
|
---|
1055 | draw();
|
---|
1056 | }
|
---|
1057 |
|
---|
1058 | //-------------------------------------------------------------------------
|
---|
1059 | // Change de Level of detail of the object.
|
---|
1060 | //-------------------------------------------------------------------------
|
---|
1061 | void GeoMeshView::GoToLod_LodTree(float lod)
|
---|
1062 | {
|
---|
1063 | if (mLodTree)
|
---|
1064 | {
|
---|
1065 | lodTreeLib->GoToFoliageLod(lod);
|
---|
1066 | }
|
---|
1067 |
|
---|
1068 | draw();
|
---|
1069 | }
|
---|
1070 |
|
---|
1071 | //-------------------------------------------------------------------------
|
---|
1072 | // Draw axes.
|
---|
1073 | //-------------------------------------------------------------------------
|
---|
1074 | void GeoMeshView::drawAxes()
|
---|
1075 | {
|
---|
1076 | float max;
|
---|
1077 |
|
---|
1078 | max = xMax;
|
---|
1079 |
|
---|
1080 | if (yMax > max)
|
---|
1081 | {
|
---|
1082 | max = yMax;
|
---|
1083 | }
|
---|
1084 |
|
---|
1085 | if (zMax > max)
|
---|
1086 | {
|
---|
1087 | max = zMax;
|
---|
1088 | }
|
---|
1089 |
|
---|
1090 | glDisable(GL_LIGHTING);
|
---|
1091 | glPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
|
---|
1092 | glDisable(GL_CULL_FACE);
|
---|
1093 |
|
---|
1094 | // Set white color to the object.
|
---|
1095 | glColor3d(1.0, 0.0, 0.0);
|
---|
1096 |
|
---|
1097 | // X axis.
|
---|
1098 | glBegin(GL_LINES);
|
---|
1099 | glVertex3f(0.0f,0.0f,0.0f);
|
---|
1100 | glVertex3f(max,0.0f,0.0f);
|
---|
1101 | glEnd();
|
---|
1102 |
|
---|
1103 | // Set white color to the object.
|
---|
1104 | glColor3d(0.0, 1.0, 0.0);
|
---|
1105 |
|
---|
1106 | // Y axis.
|
---|
1107 | glBegin(GL_LINES);
|
---|
1108 | glVertex3f(0.0f,0.0f,0.0f);
|
---|
1109 | glVertex3f(0.0f,max,0.0f);
|
---|
1110 | glEnd();
|
---|
1111 |
|
---|
1112 | // Set white color to the object.
|
---|
1113 | glColor3d(0.0, 0.0, 1.0);
|
---|
1114 |
|
---|
1115 | // Z axis.
|
---|
1116 | glBegin(GL_LINES);
|
---|
1117 | glVertex3f(0.0f,0.0f,0.0f);
|
---|
1118 | glVertex3f(0.0f,0.0f,max);
|
---|
1119 | glEnd();
|
---|
1120 | }
|
---|
1121 |
|
---|
1122 | //-------------------------------------------------------------------------
|
---|
1123 | // Draw bounding box.
|
---|
1124 | //-------------------------------------------------------------------------
|
---|
1125 | void GeoMeshView::drawBoundingBox()
|
---|
1126 | {
|
---|
1127 | glDisable(GL_LIGHTING);
|
---|
1128 | glPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
|
---|
1129 | glDisable(GL_CULL_FACE);
|
---|
1130 |
|
---|
1131 | // Set white color to the object.
|
---|
1132 | glColor3d(0.0, 0.0, 0.0);
|
---|
1133 |
|
---|
1134 | glBegin(GL_QUADS);
|
---|
1135 | glVertex3f(xMin,yMin,zMin);
|
---|
1136 | glVertex3f(xMin,yMax,zMin);
|
---|
1137 | glVertex3f(xMax,yMax,zMin);
|
---|
1138 | glVertex3f(xMax,yMin,zMin);
|
---|
1139 |
|
---|
1140 | glVertex3f(xMin,yMin,zMin);
|
---|
1141 | glVertex3f(xMin,yMax,zMin);
|
---|
1142 | glVertex3f(xMin,yMax,zMax);
|
---|
1143 | glVertex3f(xMin,yMin,zMax);
|
---|
1144 |
|
---|
1145 | glVertex3f(xMax,yMin,zMin);
|
---|
1146 | glVertex3f(xMax,yMax,zMin);
|
---|
1147 | glVertex3f(xMax,yMax,zMax);
|
---|
1148 | glVertex3f(xMax,yMin,zMax);
|
---|
1149 |
|
---|
1150 | glVertex3f(xMax,yMin,zMax);
|
---|
1151 | glVertex3f(xMax,yMax,zMax);
|
---|
1152 | glVertex3f(xMin,yMax,zMax);
|
---|
1153 | glVertex3f(xMin,yMin,zMax);
|
---|
1154 |
|
---|
1155 | glVertex3f(xMin,yMin,zMax);
|
---|
1156 | glVertex3f(xMax,yMin,zMax);
|
---|
1157 | glVertex3f(xMax,yMin,zMin);
|
---|
1158 | glVertex3f(xMin,yMin,zMin);
|
---|
1159 |
|
---|
1160 | glVertex3f(xMin,yMax,zMax);
|
---|
1161 | glVertex3f(xMax,yMax,zMax);
|
---|
1162 | glVertex3f(xMax,yMax,zMin);
|
---|
1163 | glVertex3f(xMin,yMax,zMin);
|
---|
1164 |
|
---|
1165 | glEnd();
|
---|
1166 | }
|
---|
1167 |
|
---|
1168 | //-------------------------------------------------------------------------
|
---|
1169 | // Draw the object in the window.
|
---|
1170 | //-------------------------------------------------------------------------
|
---|
1171 | void GeoMeshView::draw()
|
---|
1172 | {
|
---|
1173 | glMatrixMode(GL_PROJECTION);
|
---|
1174 | glLoadIdentity();
|
---|
1175 |
|
---|
1176 | // Frustrum.
|
---|
1177 | glViewport(0,0,w(),h());
|
---|
1178 | gluPerspective(60,(float)w()/(float)h(),0.1,1000);
|
---|
1179 |
|
---|
1180 | glMatrixMode(GL_MODELVIEW);
|
---|
1181 | glLoadIdentity();
|
---|
1182 |
|
---|
1183 | glEnable(GL_BLEND);
|
---|
1184 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
---|
1185 |
|
---|
1186 | GLfloat light_ambient[] = {0.3,0.3,0.3,1.0};
|
---|
1187 | GLfloat luzpos[] = {0.0,0.0,1.0,0.0};
|
---|
1188 | GLfloat luzcolor[] = {1.0,1.0,1.0,1.0};
|
---|
1189 |
|
---|
1190 | // glLightModelfv(GL_LIGHT_MODEL_AMBIENT, light_ambient);
|
---|
1191 | glEnable(GL_LIGHT0);
|
---|
1192 | glLightfv(GL_LIGHT0, GL_POSITION, luzpos);
|
---|
1193 | glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
|
---|
1194 | glLightfv(GL_LIGHT0, GL_DIFFUSE, luzcolor);
|
---|
1195 | glLightf(GL_LIGHT0, GL_CONSTANT_ATTENUATION, 1);
|
---|
1196 | glLightf(GL_LIGHT0, GL_LINEAR_ATTENUATION, 0);
|
---|
1197 | glLightf(GL_LIGHT0, GL_QUADRATIC_ATTENUATION, 0);
|
---|
1198 |
|
---|
1199 | glEnable (GL_POLYGON_OFFSET_LINE);
|
---|
1200 | glPolygonOffset(-0.5,1);
|
---|
1201 | glEnable(GL_DEPTH_TEST);
|
---|
1202 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
---|
1203 |
|
---|
1204 | gluLookAt(0,0,2/*mScaleFactor*/ + size * 0.25, 0,0,0, 0,1,0);
|
---|
1205 |
|
---|
1206 | glTranslatef(xshift,yshift,0);
|
---|
1207 | glRotatef(hAng,0,1,0);
|
---|
1208 | glRotatef(vAng,1,0,0);
|
---|
1209 | //glTranslatef(-xMed,-yMed,-zMed);
|
---|
1210 |
|
---|
1211 | GLfloat color_blanco[] = {1.0f,1.0f,1.0f,1.0f};
|
---|
1212 |
|
---|
1213 | glMaterialfv(GL_FRONT_AND_BACK,GL_DIFFUSE,color_blanco);
|
---|
1214 |
|
---|
1215 | glClearColor(0.3,0.3,0.3,0);
|
---|
1216 |
|
---|
1217 | if ((geoMesh != NULL) && mAxes)
|
---|
1218 | {
|
---|
1219 | // Draw coordinates axes.
|
---|
1220 | drawAxes();
|
---|
1221 | }
|
---|
1222 |
|
---|
1223 | if ((geoMesh != NULL) && mBBox)
|
---|
1224 | {
|
---|
1225 | // Draw bounding box.
|
---|
1226 | drawBoundingBox();
|
---|
1227 | }
|
---|
1228 |
|
---|
1229 | // Set white color to the object.
|
---|
1230 | glColor3d(1.0, 1.0, 1.0);
|
---|
1231 |
|
---|
1232 | if (mLighting)
|
---|
1233 | {
|
---|
1234 | glEnable(GL_LIGHTING);
|
---|
1235 | }
|
---|
1236 | else
|
---|
1237 | {
|
---|
1238 | glDisable(GL_LIGHTING);
|
---|
1239 | }
|
---|
1240 |
|
---|
1241 | if (mCW)
|
---|
1242 | {
|
---|
1243 | glFrontFace(GL_CW);
|
---|
1244 | glEnable(GL_CULL_FACE);
|
---|
1245 | }
|
---|
1246 | else
|
---|
1247 | {
|
---|
1248 | if (mCCW)
|
---|
1249 | {
|
---|
1250 | glFrontFace(GL_CCW);
|
---|
1251 | glEnable(GL_CULL_FACE);
|
---|
1252 | }
|
---|
1253 | else
|
---|
1254 | {
|
---|
1255 | glDisable(GL_CULL_FACE);
|
---|
1256 | }
|
---|
1257 | }
|
---|
1258 |
|
---|
1259 | if (mSolid)
|
---|
1260 | {
|
---|
1261 | enableColorStrips();
|
---|
1262 | glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
|
---|
1263 | drawGeoMesh(false);
|
---|
1264 | }
|
---|
1265 |
|
---|
1266 | if (mWire)
|
---|
1267 | {
|
---|
1268 | disableColorStrips();
|
---|
1269 |
|
---|
1270 | GLfloat color[4];
|
---|
1271 |
|
---|
1272 | if (mSolid)
|
---|
1273 | {
|
---|
1274 | glColor3d(0.0, 0.0, 0.0);
|
---|
1275 | color[0] = 0.0f;
|
---|
1276 | color[1] = 0.0f;
|
---|
1277 | color[2] = 0.0f;
|
---|
1278 | color[3] = 1.0f;
|
---|
1279 | }
|
---|
1280 | else
|
---|
1281 | {
|
---|
1282 | glColor3d(1.0, 1.0, 1.0);
|
---|
1283 | color[0] = 1.0f;
|
---|
1284 | color[1] = 1.0f;
|
---|
1285 | color[2] = 1.0f;
|
---|
1286 | color[3] = 1.0f;
|
---|
1287 | }
|
---|
1288 |
|
---|
1289 | glMaterialfv(GL_FRONT_AND_BACK,GL_DIFFUSE,color);
|
---|
1290 |
|
---|
1291 | glPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
|
---|
1292 | drawGeoMesh(true);
|
---|
1293 | }
|
---|
1294 | else
|
---|
1295 | {
|
---|
1296 | if (!mSolid)
|
---|
1297 | {
|
---|
1298 | disableColorStrips();
|
---|
1299 | glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
|
---|
1300 | drawGeoMesh(false);
|
---|
1301 | }
|
---|
1302 | }
|
---|
1303 |
|
---|
1304 | swap_buffers();
|
---|
1305 | }
|
---|
1306 |
|
---|
1307 | #include <IL/ILUT.h>
|
---|
1308 |
|
---|
1309 | void GeoMeshView::LoadTexture(const char *imgfile)
|
---|
1310 | {
|
---|
1311 | ilInit();
|
---|
1312 | ilutEnable(ILUT_OPENGL_CONV);
|
---|
1313 | ilutRenderer(ILUT_OPENGL);
|
---|
1314 |
|
---|
1315 | current_texture = ilutGLLoadImage((const ILstring)imgfile);
|
---|
1316 |
|
---|
1317 | // if (!current_texture)
|
---|
1318 | // {
|
---|
1319 | // fltk::alert("Error loading texture!");
|
---|
1320 | // }
|
---|
1321 |
|
---|
1322 | ilShutDown();
|
---|
1323 | }
|
---|
1324 |
|
---|
1325 | void GeoMeshView::LoadTextureSubMesh(int isubmesh, const char *imgfile)
|
---|
1326 | {
|
---|
1327 | ilInit();
|
---|
1328 | ilutEnable(ILUT_OPENGL_CONV);
|
---|
1329 | ilutRenderer(ILUT_OPENGL);
|
---|
1330 |
|
---|
1331 | current_texture_submesh[isubmesh] = ilutGLLoadImage((const ILstring)imgfile);
|
---|
1332 |
|
---|
1333 | // if (!current_texture_submesh[isubmesh])
|
---|
1334 | // {
|
---|
1335 | // fltk::alert("Error loading texture!");
|
---|
1336 | // }
|
---|
1337 |
|
---|
1338 | ilShutDown();
|
---|
1339 | }
|
---|
1340 |
|
---|
1341 | // Add texture file name to the list of texture files of mesh.
|
---|
1342 | void GeoMeshView::addTexFile(const char *imgfile)
|
---|
1343 | {
|
---|
1344 | mMeshTexFiles.push_back(string(imgfile));
|
---|
1345 | }
|
---|
1346 |
|
---|
1347 | // Change texture file of a given submesh.
|
---|
1348 | void GeoMeshView::changeTexFile(int isubmesh, const char *imgfile)
|
---|
1349 | {
|
---|
1350 | mMeshTexFiles[isubmesh] = string(imgfile);
|
---|
1351 | }
|
---|
1352 |
|
---|
1353 | void GeoMeshView::resetTextures(void)
|
---|
1354 | {
|
---|
1355 | // Clears texture files list.
|
---|
1356 | mMeshTexFiles.clear();
|
---|
1357 |
|
---|
1358 | if (current_texture)
|
---|
1359 | {
|
---|
1360 | glDeleteTextures(1,¤t_texture);
|
---|
1361 |
|
---|
1362 | current_texture = 0;
|
---|
1363 | }
|
---|
1364 |
|
---|
1365 | if (current_texture_submesh)
|
---|
1366 | {
|
---|
1367 | glDeleteTextures(getSubMeshCount(),current_texture_submesh);
|
---|
1368 |
|
---|
1369 | for (int i = 0; i < getSubMeshCount(); i++)
|
---|
1370 | {
|
---|
1371 | current_texture_submesh[i] = 0;
|
---|
1372 | }
|
---|
1373 | }
|
---|
1374 | }
|
---|
1375 |
|
---|
1376 | bool GeoMeshView::SetTextureRenderingState(int submesh)
|
---|
1377 | {
|
---|
1378 | GLuint usetex = 0;
|
---|
1379 |
|
---|
1380 | if (use_texture_mapping)
|
---|
1381 | {
|
---|
1382 | if (current_texture_submesh[submesh])
|
---|
1383 | {
|
---|
1384 | usetex = current_texture_submesh[submesh];
|
---|
1385 | }
|
---|
1386 | else if (current_texture)
|
---|
1387 | {
|
---|
1388 | usetex = current_texture;
|
---|
1389 | }
|
---|
1390 | }
|
---|
1391 |
|
---|
1392 | if (usetex)
|
---|
1393 | {
|
---|
1394 | glEnable(GL_TEXTURE_2D);
|
---|
1395 | }
|
---|
1396 | else
|
---|
1397 | {
|
---|
1398 | glDisable(GL_TEXTURE_2D);
|
---|
1399 | }
|
---|
1400 |
|
---|
1401 | glBindTexture(GL_TEXTURE_2D,usetex);
|
---|
1402 |
|
---|
1403 | return (usetex != 0);
|
---|
1404 | }
|
---|
1405 |
|
---|
1406 | int GeoMeshView::findLeavesSubMesh(void)
|
---|
1407 | {
|
---|
1408 | for (int i = 0; i < geoMesh->mSubMeshCount; i++)
|
---|
1409 | {
|
---|
1410 | if (geoMesh->mSubMesh[i].mType == GEO_TRIANGLE_LIST)
|
---|
1411 | {
|
---|
1412 | return i;
|
---|
1413 | }
|
---|
1414 | }
|
---|
1415 |
|
---|
1416 | return -1;
|
---|
1417 | }
|
---|
1418 |
|
---|