1 | /* |
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2 | orxonox - the future of 3D-vertical-scrollers |
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3 | |
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4 | Copyright (C) 2006 orx |
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5 | |
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6 | This program is free software; you can redistribute it and/or modify |
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7 | it under the terms of the GNU General Public License as published by |
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8 | the Free Software Foundation; either version 2, or (at your option) |
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9 | any later version. |
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10 | |
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11 | ### File Specific: |
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12 | main-programmer: bottac@ee.ethz.ch |
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13 | */ |
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14 | |
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15 | class SDL_Surface; |
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16 | class BspTreeNode; |
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17 | class Vector; |
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18 | class Material; |
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19 | class VertexArrayModel; |
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20 | |
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21 | typedef struct |
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22 | { |
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23 | float x; //!< 1st component of the plane's normal |
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24 | float y; //!< 2nd component of the plane's normal |
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25 | float z; //!< 3rd component of the plane's normal |
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26 | float d; //!< distance of the plane to the origin |
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27 | } |
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28 | plane; |
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29 | |
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30 | typedef struct |
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31 | { |
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32 | float mins [ 3 ]; //!< Bounding box min coord. |
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33 | float maxs [ 3 ]; //!< Bounding box max coord. |
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34 | int face; //!< First face for model. |
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35 | int n_faces; //!< Number of faces for model. |
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36 | int brush; //!< First brush for model. |
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37 | int n_brushes; //!< Number of brushes |
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38 | } |
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39 | model; |
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40 | |
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41 | typedef struct |
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42 | { |
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43 | int plane; //!< Plane index. |
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44 | int left; //!< 1st Child index. Negative numbers are leaf indices: -(leaf+1). |
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45 | int right; //!< 2nd Child index. Negative numbers are leaf indices: -(leaf+1). |
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46 | int mins[ 3 ]; //!< Integer bounding box min coord. |
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47 | int maxs[ 3 ]; //!< Integer bounding box max coord. |
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48 | } |
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49 | node; |
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50 | |
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51 | typedef struct |
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52 | { |
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53 | int cluster; //!< Visdata cluster index. |
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54 | int area; //!< Areaportal area. |
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55 | int mins[ 3 ]; //!< Integer bounding box min coord. |
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56 | int maxs[ 3 ]; //!< Integer bounding box max coord. |
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57 | int leafface; //!< First leafface for leaf. |
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58 | int n_leaffaces; //!< Number of leaffaces for leaf. |
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59 | int leafbrush_first; //!< leafbrush for leaf. |
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60 | int n_leafbrushes; //!< Number of leafbrushes for leaf. |
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61 | } |
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62 | leaf; |
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63 | |
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64 | typedef struct |
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65 | { |
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66 | int brushside; //!< First brushside for brush. |
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67 | int n_brushsides; //!< Number of brushsides for brush. |
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68 | int texture; //!< Texture index. |
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69 | } |
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70 | brush; |
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71 | |
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72 | typedef struct |
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73 | { |
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74 | int plane; //!< Plane index. |
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75 | int texture; //!< Texture index. |
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76 | } |
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77 | brushside; |
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78 | |
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79 | struct face |
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80 | { |
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81 | int texture; //!< Texture index. |
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82 | int effect; //!< Index into lump 12 (Effects), or -1. |
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83 | int type; //!< Face type. 1=polygon, 2=patch, 3=mesh, 4=billboard |
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84 | int vertex; //!< Index of first vertex. |
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85 | int n_vertexes; //!< Number of vertices. |
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86 | int meshvert; //!< Index of first meshvert. |
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87 | int n_meshverts; //!< Number of meshverts. |
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88 | int lm_index; //!< Lightmap index. |
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89 | int lm_start [ 2 ]; //!< Corner of this face's lightmap image in lightmap. |
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90 | int lm_size [ 2 ]; //!< Size of this face's lightmap image in lightmap. |
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91 | float lm_origin [ 3 ] ; //!< World space origin of lightmap. |
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92 | float lm_vecs [ 2 ][ 3 ]; //!< World space lightmap s and t unit vectors. |
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93 | float normal[ 3 ]; //!< Surface normal. |
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94 | int size [ 2 ] ; //!< Patch dimensions. |
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95 | } ; |
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96 | |
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97 | typedef struct |
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98 | { |
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99 | float position[ 3 ]; //!< Vertex position. |
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100 | float texcoord[ 2 ][ 2 ]; //!< Vertex texture coordinates. [0][x]=surface, [1][x]=lightmap. |
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101 | float normal[ 3 ]; //!< Vertex normal. |
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102 | unsigned char color [ 4 ]; //!< Vertex color. RGBA. |
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103 | } |
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104 | BspVertex; |
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105 | |
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106 | typedef struct |
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107 | { |
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108 | int offset; |
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109 | } |
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110 | meshvert; //!< Integer offset to mesh vertex |
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111 | |
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112 | typedef struct |
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113 | { |
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114 | float position [ 3 ]; |
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115 | } |
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116 | BspVec; |
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117 | |
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118 | typedef struct |
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119 | { |
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120 | Material* mat; |
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121 | bool alpha; |
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122 | } |
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123 | AMat; |
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124 | |
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125 | typedef struct |
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126 | { |
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127 | unsigned char map [128][128][3]; |
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128 | } |
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129 | lightmap; |
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130 | |
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131 | class BspFile |
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132 | { |
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133 | friend class BspManager; |
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134 | |
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135 | public: |
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136 | BspFile(); |
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137 | int read( char* name ); |
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138 | void build_tree(); |
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139 | void load_textures(); |
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140 | void tesselate( int iface ); |
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141 | BspTreeNode* get_root(); |
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142 | AMat loadMat( char* mat ); |
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143 | |
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144 | |
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145 | private: |
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146 | BspTreeNode* root; |
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147 | char header [ 280 ]; //!< Buffer for header of BSP-File |
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148 | node* nodes; //!< Buffer to store BSP-Tree-Nodes |
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149 | leaf* leaves; //!< Buffer to store BSP-Tree-Leaves |
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150 | plane* planes; //!< Buffer to store planes separateing the space |
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151 | model* bspModels; //!< Buffer to store BSP-Model-List |
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152 | char* leafFaces; //!< Buffer to store leafFaces |
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153 | face* faces; //!< |
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154 | char* leafBrushes; //!< Buffer to store brush indice |
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155 | brush* brushes; //!< Buffer to store brushes |
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156 | brushside* brushSides; //!< |
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157 | char* vertice; //!< |
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158 | meshvert* meshverts; //!< |
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159 | char* visData; //!< |
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160 | char* textures; //!< |
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161 | char* patchVertice; //!< |
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162 | char* patchIndexes; |
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163 | char* patchTrianglesPerRow; |
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164 | lightmap* lightMaps; //!< Buffer to store lightmap-images |
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165 | |
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166 | |
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167 | int** patchRowIndexes; |
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168 | VertexArrayModel** VertexArrayModels; |
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169 | int patchOffset; |
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170 | |
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171 | int numNodes; |
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172 | int numLeafs; |
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173 | int numVertex; |
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174 | int numPlanes; |
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175 | int numBspModels; |
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176 | int numLeafFaces; |
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177 | int numFaces; |
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178 | int numLeafBrushes; |
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179 | int numTextures; |
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180 | int numPatches; |
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181 | int numBrushSides; |
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182 | int numLightMaps; |
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183 | |
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184 | BspTreeNode* build_tree_rec( int i ); |
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185 | unsigned int loadLightMapToGL(lightmap&); |
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186 | AMat* Materials; |
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187 | unsigned int* glLightMapTextures; |
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188 | unsigned int whiteLightMap; |
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189 | unsigned char whiteTexture[3]; |
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190 | SDL_Surface* testSurf; |
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191 | |
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192 | }; |
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193 | |
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