Mercurial > hg > forks > gldragon
annotate dmmodel.h @ 53:d871e4b24328
Be less verbose when checking for GL extensions, only inform when something
is NOT found.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Fri, 06 Dec 2019 19:21:24 +0200 |
parents | 0ae1ff609626 |
children | 8b335eb444ae |
rev | line source |
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1 // |
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2 // GLDragon - OpenGL PLY model viewer / simple benchmark |
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3 // -- Scene and model handling + PLY file parsing |
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4 // Programmed and designed by Matti 'ccr' Hämäläinen <ccr@tnsp.org> |
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5 // (C) Copyright 2019 Tecnic Software productions (TNSP) |
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6 // |
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7 // See file "COPYING" for license information. |
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8 // |
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9 #ifndef DMMODEL_H |
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10 #define DMMODEL_H 1 |
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11 |
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12 #include "dmutil.h" |
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13 #include <cstdint> |
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14 #include <fstream> |
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15 #include <unordered_map> |
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16 |
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17 |
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18 #define PLY_PROP_VERTEX_INDICES "vertex_indices" |
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19 #define PLY_ELEM_FACE "face" |
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20 #define PLY_ELEM_VERTEX "vertex" |
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21 |
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22 |
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23 enum DMPLYFormat |
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24 { |
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25 PLY_FMT_UNKNOWN, |
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26 PLY_FMT_ASCII, |
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27 PLY_FMT_BIN_LE, |
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28 PLY_FMT_BIN_BE |
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29 }; |
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30 |
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31 |
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32 enum DMPLYPropType |
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33 { |
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34 PLY_TYPE_NONE, |
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35 PLY_TYPE_LIST, |
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36 |
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37 PLY_TYPE_UINT8, |
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38 PLY_TYPE_INT8, |
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39 PLY_TYPE_INT16, |
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40 PLY_TYPE_UINT16, |
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41 PLY_TYPE_INT32, |
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42 PLY_TYPE_UINT32, |
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43 PLY_TYPE_FLOAT, |
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44 PLY_TYPE_DOUBLE |
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45 }; |
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46 |
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47 |
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48 /* Structures |
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49 */ |
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50 union DMPLYPropValue |
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51 { |
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52 double v_double; |
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53 float v_float; |
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54 unsigned int v_uint; |
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55 int v_int; |
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56 }; |
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57 |
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58 |
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59 struct DMPLYFileProperty |
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60 { |
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61 std::string name; |
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62 DMPLYPropType |
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63 type, |
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64 list_num_type, |
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65 list_values_type; |
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66 |
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67 DMPLYPropValue value, list_num_value; |
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68 std::vector<DMPLYPropValue> list_values; |
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69 }; |
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70 |
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71 |
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72 struct DMPLYFileElement |
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73 { |
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74 int value; |
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75 std::string name; |
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76 |
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77 std::unordered_map<std::string, DMPLYFileProperty> prop_map; |
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78 std::vector<DMPLYFileProperty *> properties; |
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79 |
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80 DMPLYFileProperty *checkProp(const std::string &prop) |
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81 { |
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82 if (prop_map.count(prop)) |
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83 return &prop_map[prop]; |
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84 else |
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85 return 0; |
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86 } |
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87 }; |
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88 |
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89 |
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90 struct DMTextFileInfo |
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91 { |
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92 int nline, state; |
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93 std::string filename; |
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94 std::string line; |
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95 std::ifstream file; |
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96 std::string *key; |
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97 }; |
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98 |
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99 |
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100 struct DMPLYFileInfo : DMTextFileInfo |
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101 { |
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102 DMPLYFormat format; |
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103 |
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104 std::unordered_map<std::string, DMPLYFileElement> elem_map; |
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105 std::vector<DMPLYFileElement *> elements; |
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106 DMPLYFileElement *element; |
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107 |
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108 DMPLYFileInfo() |
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109 { |
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110 element = 0; |
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111 format = PLY_FMT_UNKNOWN; |
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112 } |
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113 |
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114 DMPLYFileElement *checkElem(const std::string &elem) |
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115 { |
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116 if (elem_map.count(elem)) |
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117 return &elem_map[elem]; |
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118 else |
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119 return 0; |
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120 } |
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121 }; |
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122 |
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123 |
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124 struct DMVector3 |
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125 { |
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126 float x, y, z; |
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127 }; |
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128 |
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129 |
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130 union DMVector4 |
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131 { |
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132 struct { float x, y, z, w; } p; |
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133 struct { float r, g, b, a; } c; |
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134 float values[4]; |
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135 }; |
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136 |
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137 |
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138 struct DMMaterial |
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139 { |
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140 DMVector4 ambient, diffuse, specular; |
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141 int shininess; |
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142 }; |
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143 |
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144 |
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145 struct DMModel |
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146 { |
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147 int nvertices, nfaces; |
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148 std::vector<DMVector3> vertices, normals; |
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149 std::vector<unsigned int> faces; |
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150 |
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151 DMMaterial material; |
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152 DMVector3 translate, scale, rotate; |
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153 bool translateSet, scaleSet, rotateSet; |
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154 |
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155 unsigned int id_prog, id_fs, id_vs; |
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156 |
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157 std::string |
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158 modelFile, |
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159 fragShaderFile, vertShaderFile, |
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160 fragShaderStr, vertShaderStr; |
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161 |
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162 bool loadFromPLY(const std::string &filename); |
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163 bool loadFromPLY(const std::string &filename, DMPLYFileInfo &info); |
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164 |
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165 DMModel() |
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166 { |
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167 nfaces = nvertices = 0; |
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168 |
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169 translate.x = translate.y = translate.z = 0; |
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170 rotate.x = rotate.y = rotate.z = 0; |
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171 scale.x = scale.y = scale.z = 0; |
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172 translateSet = rotateSet = scaleSet = false; |
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173 |
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174 material.diffuse.c.r = material.diffuse.p.z = 0.56471f; |
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175 material.diffuse.c.g = 0.5f; |
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176 material.diffuse.c.a = 1.0f; |
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177 |
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178 material.specular.c.r = material.specular.c.g = material.specular.c.b = 0.8f; |
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179 material.specular.c.a = 1.0f; |
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180 |
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181 material.shininess = 96; |
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182 } |
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183 }; |
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184 |
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185 |
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186 struct DMLight |
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187 { |
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188 DMMaterial color; |
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189 DMVector4 position, pointAt; |
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190 |
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191 DMLight() |
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192 { |
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193 color.ambient.c.r = color.ambient.c.g = color.ambient.p.z = 0.2f; color.ambient.c.a = 1.0f; |
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194 color.diffuse.c.r = color.diffuse.c.g = color.diffuse.p.z = 0.8f; color.diffuse.c.a = 1.0f; |
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195 color.specular.c.r = color.specular.c.g = color.specular.p.z = 0.5f; color.specular.c.a = 1.0f; |
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196 |
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197 position.p.x = 10.0f; |
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198 position.p.y = 10.0f; |
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199 position.p.z = 0.0f; |
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200 } |
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201 }; |
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202 |
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203 |
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204 struct DMCamera |
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205 { |
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206 DMVector4 position, pointAt; |
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207 }; |
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208 |
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209 |
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210 struct DMSimpleScene |
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211 { |
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212 DMCamera camera; |
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213 std::vector<DMLight> lights; |
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214 std::vector<DMModel> models; |
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215 |
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216 bool loadInfo(const std::string &filename); |
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217 }; |
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218 |
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219 #endif |