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) 2004 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: Benjamin Grauer |
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13 | co-programmer: ... |
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14 | */ |
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15 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_WORLD_ENTITY |
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16 | |
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17 | |
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18 | #include "terrain.h" |
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19 | |
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20 | #include "util/loading/resource_manager.h" |
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21 | #include "util/loading/load_param.h" |
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22 | #include "util/loading/factory.h" |
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23 | #include "spatial_separation.h" |
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24 | |
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25 | #include "model.h" |
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26 | #include "network_game_manager.h" |
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27 | |
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28 | #include "height_map.h" |
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29 | #include "material.h" |
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30 | |
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31 | #include "glincl.h" |
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32 | |
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33 | #include "state.h" |
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34 | #include "debug.h" |
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35 | |
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36 | #include "class_id_DEPRECATED.h" |
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37 | ObjectListDefinitionID(Terrain, CL_TERRAIN); |
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38 | CREATE_FACTORY(Terrain); |
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39 | |
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40 | /** |
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41 | * standard constructor |
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42 | */ |
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43 | Terrain::Terrain (const TiXmlElement* root) |
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44 | { |
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45 | this->init(); |
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46 | |
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47 | |
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48 | if( root != NULL) |
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49 | this->loadParams(root); |
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50 | |
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51 | // if (this->model != NULL) |
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52 | //this->ssp = new SpatialSeparation((Model*)this->model, 10.0f); |
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53 | } |
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54 | |
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55 | |
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56 | /** |
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57 | * Constructor for loading a Terrain out of a file |
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58 | * @param fileName The file to load data from. |
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59 | |
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60 | this either loads out of an OBJ-file, or loads a heightmap if no .obj-extension is found. |
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61 | */ |
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62 | Terrain::Terrain(const std::string& fileName) |
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63 | { |
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64 | this->init(); |
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65 | |
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66 | if (fileName.rfind(".obj" ) != std::string::npos || fileName.rfind(".OBJ") != std::string::npos ) |
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67 | { |
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68 | this->loadModel(fileName); |
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69 | } |
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70 | else |
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71 | { |
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72 | // load the hightMap here. |
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73 | } |
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74 | } |
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75 | |
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76 | /** |
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77 | * a Constructor for the Debug-Worlds |
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78 | */ |
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79 | Terrain::Terrain(DebugTerrain debugTerrain) |
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80 | { |
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81 | this->init(); |
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82 | this->buildDebugTerrain(debugTerrain); |
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83 | } |
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84 | |
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85 | /** |
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86 | * standard deconstructor |
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87 | |
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88 | */ |
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89 | Terrain::~Terrain () |
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90 | { |
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91 | if (modelList) |
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92 | glDeleteLists(this->modelList, 1); |
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93 | if( this->ssp) |
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94 | delete ssp; |
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95 | |
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96 | if(this->heightMap) |
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97 | delete heightMap; |
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98 | } |
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99 | |
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100 | |
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101 | void Terrain::init() |
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102 | { |
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103 | this->registerObject(this, Terrain::_objectList); |
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104 | this->toList(OM_ENVIRON_NOTICK); |
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105 | this->toReflectionList(); |
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106 | |
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107 | this->modelList = 0; |
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108 | this->ssp = NULL; |
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109 | this->vegetation = NULL; |
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110 | |
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111 | this->heightMap = NULL; |
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112 | |
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113 | this->heightMapMaterial = new Material(); |
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114 | } |
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115 | |
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116 | |
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117 | void Terrain::loadParams(const TiXmlElement* root) |
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118 | { |
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119 | WorldEntity::loadParams(root); |
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120 | |
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121 | LoadParam(root, "scale", this, Terrain, setScale) |
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122 | .describe("The scale in x,y,z direction"); |
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123 | |
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124 | LoadParam(root, "texture", this, Terrain, loadTexture) |
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125 | .describe("The name of the Texture for this heightMap"); |
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126 | |
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127 | LoadParam(root, "vegetation", this, Terrain, loadVegetation) |
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128 | .describe("the fileName of the vegetation, that should be loaded onto this terrain. (must be relative to the data-dir)") ; |
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129 | |
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130 | LoadParam(root, "height-map", this, Terrain, loadHeightMap) |
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131 | .describe("The HeightMap, splitted into two strings seperated by ','. 1: HeighMap, 2: ColorMap"); |
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132 | |
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133 | } |
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134 | |
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135 | void Terrain::setScale(float x, float y, float z) |
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136 | { |
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137 | this->terrainScale = Vector(x, y, z); |
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138 | } |
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139 | |
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140 | void Terrain::loadHeightMap(const std::string& heightMapFile, const std::string& colorMap) |
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141 | { |
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142 | if (this->heightMap != NULL) |
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143 | delete this->heightMap; |
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144 | this->heightMap = NULL; |
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145 | |
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146 | std::string hmName = Resources::ResourceManager::getInstance()->prependAbsoluteMainPath(heightMapFile); |
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147 | std::string hmColorName = Resources::ResourceManager::getInstance()->prependAbsoluteMainPath(colorMap); |
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148 | |
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149 | |
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150 | this->heightMap = new HeightMap(hmName, hmColorName); |
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151 | // heightMap->scale(Vector(43.0f,4.7f,43.0f)); |
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152 | heightMap->scale(this->terrainScale); |
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153 | heightMap->setAbsCoor(this->getAbsCoor()); |
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154 | heightMap->load(); |
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155 | } |
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156 | |
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157 | |
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158 | void Terrain::loadTexture(const std::string& textureName) |
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159 | { |
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160 | PRINTF(4)("Load texture: %s\n", textureName.c_str()); |
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161 | |
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162 | heightMapMaterial->setDiffuse(1.0,1.0,1.0); |
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163 | heightMapMaterial->setAmbient(1.0,1.0,1.0 ); |
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164 | heightMapMaterial->setSpecular(1.0,1.0,1.0); |
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165 | heightMapMaterial->setShininess(.5); |
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166 | heightMapMaterial->setTransparency(1.0); |
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167 | |
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168 | heightMapMaterial->setDiffuseMap(textureName); |
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169 | // heightMapMaterial->setAmbientMap(textureName); |
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170 | // heightMapMaterial->setSpecularMap(textureName); |
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171 | } |
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172 | |
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173 | |
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174 | |
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175 | void Terrain::loadVegetation(const std::string& vegetationFile) |
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176 | { |
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177 | PRINTF(4)("loadVegetation: %s\n", vegetationFile.c_str()); |
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178 | if (this->vegetation) |
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179 | this->vegetation = 0; |
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180 | if (!vegetationFile.empty()) |
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181 | { |
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182 | PRINTF(4)("fetching %s\n", vegetationFile.c_str()); |
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183 | this->loadModel(vegetationFile, 1.0, 2); |
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184 | this->vegetation = this->getModel(2); |
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185 | } |
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186 | else |
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187 | this->vegetation = NULL; |
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188 | } |
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189 | |
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190 | |
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191 | |
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192 | |
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193 | |
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194 | void Terrain::draw () const |
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195 | { |
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196 | glPushMatrix(); |
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197 | |
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198 | /* translate */ |
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199 | glTranslatef (this->getAbsCoor ().x, |
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200 | this->getAbsCoor ().y, |
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201 | this->getAbsCoor ().z); |
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202 | /* rotate */ |
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203 | // Vector tmpRot = this->getAbsDir().getSpacialAxis(); |
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204 | //glRotatef (this->getAbsDir().getSpacialAxisAngle(), tmpRot.x, tmpRot.y, tmpRot.z ); |
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205 | |
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206 | if (this->modelList) |
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207 | glCallList(this->modelList); |
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208 | else if (this->getModel()) |
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209 | this->getModel()->draw(); |
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210 | |
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211 | if (this->vegetation) |
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212 | this->vegetation->draw(); |
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213 | |
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214 | if( this->heightMap) |
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215 | { |
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216 | this->heightMapMaterial->select(); |
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217 | |
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218 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); |
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219 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); |
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220 | this->heightMap->draw(); |
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221 | } |
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222 | glPopMatrix(); |
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223 | |
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224 | |
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225 | /* |
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226 | glMatrixMode(GL_MODELVIEW); |
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227 | glPushMatrix(); |
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228 | glLoadIdentity(); |
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229 | Vector camera = State::getCameraNode()->getAbsCoor(); // Go on here ..........!!! |
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230 | |
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231 | float height = heightMap->getHeight(camera.x, camera.z); |
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232 | |
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233 | glEnable (GL_COLOR_MATERIAL) ; |
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234 | glBegin(GL_QUADS); // Draw The Cube Using quads |
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235 | glColor3f(0.0f,1.0f,0.0f); // Color Blue |
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236 | glVertex3f(camera.x + 63.0f,Terrain->getHeight(camera.x+63.0f, camera.z-10.0f)+13.0f,camera.z-10.0f); // Top Right Of The Quad (Top) |
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237 | glVertex3f(camera.x-63.0f, getHeight(camera.x+63.0f, camera.z-10.0f)+13.0f,camera.z-10.0f); // Top Left Of The Quad (Top) |
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238 | glVertex3f(camera.x-63.0f, getHeight(camera.x+63.0f, camera.z+10.0f)+13.0f, camera.z+10.0f); // Bottom Left Of The Quad (Top) |
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239 | glVertex3f(camera.x+ 63.0f, getHeight(camera.x+63.0f, camera.z+10.0f)+13.0f, camera.z+10.0f); // Bottom Right Of The Quad (Top) |
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240 | glEnd(); // End Drawing The Plan |
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241 | |
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242 | glPopMatrix();*/ |
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243 | |
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244 | |
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245 | /* THIS IS ONLY FOR DEBUGGING INFORMATION */ |
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246 | if (this->ssp != NULL) |
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247 | this->ssp->drawQuadtree(); |
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248 | } |
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249 | |
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250 | |
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251 | void Terrain::buildDebugTerrain(DebugTerrain debugTerrain) |
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252 | { |
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253 | // if the terrain is the Terrain of Dave |
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254 | if (debugTerrain == TERRAIN_DAVE) |
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255 | { |
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256 | modelList = glGenLists(1); |
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257 | glNewList (modelList, GL_COMPILE); |
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258 | |
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259 | glColor3f(1.0,0,0); |
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260 | |
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261 | int sizeX = 100; |
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262 | int sizeZ = 80; |
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263 | float length = 1000; |
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264 | float width = 200; |
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265 | float widthX = float (length /sizeX); |
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266 | float widthZ = float (width /sizeZ); |
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267 | |
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268 | float height [sizeX][sizeZ]; |
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269 | Vector normal_vectors[sizeX][sizeZ]; |
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270 | |
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271 | |
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272 | for ( int i = 0; i<sizeX-1; i+=1) |
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273 | for (int j = 0; j<sizeZ-1;j+=1) |
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274 | //height[i][j] = rand()/20046 + (j-25)*(j-25)/30; |
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275 | #ifdef __WIN32__ |
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276 | height[i][j]=(sin((float)j/3)*rand()*i/182400)*.5; |
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277 | #else |
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278 | height[i][j]=(sin((float)j/3)*rand()*(long)i/6282450500.0)*.5; |
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279 | #endif |
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280 | |
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281 | //Die Huegel ein wenig glaetten |
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282 | for (int h=1; h<2;h++) |
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283 | for (int i=1;i<sizeX-2 ;i+=1 ) |
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284 | for(int j=1;j<sizeZ-2;j+=1) |
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285 | height[i][j]=(height[i+1][j]+height[i][j+1]+height[i-1][j]+height[i][j-1])/4; |
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286 | |
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287 | //Berechnung von normalen Vektoren |
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288 | for(int i=1;i<sizeX-2;i+=1) |
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289 | for(int j=1;j<sizeZ-2 ;j+=1) |
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290 | { |
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291 | Vector v1 = Vector (widthX*(1), height[i][j], widthZ*(j) ); |
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292 | Vector v2 = Vector (widthX*(i-1), height[i-1][j], widthZ*(j)); |
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293 | Vector v3 = Vector (widthX*(i), height[i][j+1], widthZ*(j+1)); |
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294 | Vector v4 = Vector (widthX*(i+1), height[i+1][j], widthZ*(j)); |
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295 | Vector v5 = Vector (widthX*(i), height[i][j-1], widthZ*(j-1)); |
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296 | |
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297 | Vector c1 = v2 - v1; |
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298 | Vector c2 = v3 - v1; |
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299 | Vector c3= v4 - v1; |
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300 | Vector c4 = v5 - v1; |
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301 | Vector zero = Vector (0,0,0); |
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302 | normal_vectors[i][j]=c1.cross(v3-v5)+c2.cross(v4-v2)+c3.cross(v5-v3)+c4.cross(v2-v4); |
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303 | normal_vectors[i][j].normalize(); |
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304 | } |
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305 | |
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306 | glBegin(GL_QUADS); |
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307 | int snowheight=3; |
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308 | for ( int i = 0; i<sizeX; i+=1) |
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309 | for (int j = 0; j<sizeZ;j+=1) |
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310 | { |
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311 | Vector v1 = Vector (widthX*(i), height[i][j]-20, widthZ*(j) -width/2); |
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312 | Vector v2 = Vector (widthX*(i+1), height[i+1][j]-20, widthZ*(j) -width/2); |
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313 | Vector v3 = Vector (widthX*(i+1), height[i+1][j+1]-20, widthZ*(j+1)-width/2); |
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314 | Vector v4 = Vector (widthX*(i), height[i][j+1]-20, widthZ*(j+1)-width/2); |
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315 | float a[3]; |
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316 | if(height[i][j]<snowheight) |
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317 | { |
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318 | a[0]=0; |
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319 | a[1]=1.0-height[i][j]/10-.3; |
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320 | a[2]=0; |
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321 | glMaterialfv(GL_FRONT,GL_DIFFUSE,a); |
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322 | } |
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323 | else |
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324 | { |
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325 | a[0]=1.0; |
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326 | a[1]=1.0; |
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327 | a[2]=1.0; |
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328 | glMaterialfv(GL_FRONT,GL_DIFFUSE,a); |
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329 | |
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330 | } |
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331 | glNormal3f(normal_vectors[i][j].x, normal_vectors[i][j].y, normal_vectors[i][j].z); |
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332 | glVertex3f(v1.x, v1.y, v1.z); |
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333 | if(height[i+1][j]<snowheight) |
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334 | { |
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335 | a[0]=0; |
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336 | a[1] =1.0-height[i+1][j]/10-.3; |
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337 | a[2]=0; |
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338 | glMaterialfv(GL_FRONT,GL_DIFFUSE,a); |
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339 | } |
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340 | else |
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341 | { |
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342 | a[0]=1.0; |
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343 | a[1]=1.0; |
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344 | a[2]=1.0; |
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345 | glMaterialfv(GL_FRONT,GL_DIFFUSE,a); |
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346 | |
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347 | } |
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348 | glNormal3f(normal_vectors[i+1][j].x, normal_vectors[i+1][j].y, normal_vectors[i+1][j].z); |
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349 | glVertex3f(v2.x, v2.y, v2.z); |
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350 | if(height[i+1][j+1]<snowheight) |
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351 | { |
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352 | a[0]=0; |
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353 | a[1] =1.0-height[i+1][j+1]/10-.3; |
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354 | a[2]=0; |
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355 | glMaterialfv(GL_FRONT,GL_DIFFUSE,a); |
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356 | } |
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357 | else |
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358 | { |
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359 | a[0]=1.0; |
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360 | a[1]=1.0; |
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361 | a[2]=1.0; |
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362 | glMaterialfv(GL_FRONT,GL_DIFFUSE,a); |
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363 | |
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364 | |
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365 | } |
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366 | glNormal3f(normal_vectors[i+1][j+1].x, normal_vectors[i+1][j+1].y, normal_vectors[i+1][j+1].z); |
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367 | glVertex3f(v3.x, v3.y, v3.z); |
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368 | if(height[i][j+1]<snowheight) |
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369 | { |
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370 | a[0]=0; |
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371 | a[1] =1.0-height[i+1][j+1]/10-.3; |
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372 | a[2]=0; |
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373 | glMaterialfv(GL_FRONT,GL_DIFFUSE,a); |
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374 | } |
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375 | else |
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376 | { |
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377 | a[0]=1.0; |
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378 | a[1]=1.0; |
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379 | a[2]=1.0; |
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380 | glMaterialfv(GL_FRONT,GL_DIFFUSE,a); |
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381 | } |
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382 | glNormal3f(normal_vectors[i][j+1].x, normal_vectors[i][j+1].y, normal_vectors[i][j+1].z); |
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383 | glVertex3f(v4.x, v4.y, v4.z); |
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384 | |
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385 | } |
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386 | glEnd(); |
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387 | glEndList(); |
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388 | } |
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389 | |
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390 | if (debugTerrain == TERRAIN_BENSCH) |
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391 | { |
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392 | /* |
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393 | this->model = (OBJModel*) new Model(); |
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394 | this->model->setName("CUBE"); |
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395 | this->model->addVertex (-0.5, -0.5, 0.5); |
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396 | this->model->addVertex (0.5, -0.5, 0.5); |
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397 | this->model->addVertex (-0.5, 0.5, 0.5); |
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398 | this->model->addVertex (0.5, 0.5, 0.5); |
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399 | this->model->addVertex (-0.5, 0.5, -0.5); |
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400 | this->model->addVertex (0.5, 0.5, -0.5); |
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401 | this->model->addVertex (-0.5, -0.5, -0.5); |
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402 | this->model->addVertex (0.5, -0.5, -0.5); |
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403 | |
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404 | this->model->addVertexTexture (0.0, 0.0); |
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405 | this->model->addVertexTexture (1.0, 0.0); |
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406 | this->model->addVertexTexture (0.0, 1.0); |
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407 | this->model->addVertexTexture (1.0, 1.0); |
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408 | this->model->addVertexTexture (0.0, 2.0); |
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409 | this->model->addVertexTexture (1.0, 2.0); |
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410 | this->model->addVertexTexture (0.0, 3.0); |
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411 | this->model->addVertexTexture (1.0, 3.0); |
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412 | this->model->addVertexTexture (0.0, 4.0); |
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413 | this->model->addVertexTexture (1.0, 4.0); |
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414 | this->model->addVertexTexture (2.0, 0.0); |
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415 | this->model->addVertexTexture (2.0, 1.0); |
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416 | this->model->addVertexTexture (-1.0, 0.0); |
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417 | this->model->addVertexTexture (-1.0, 1.0); |
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418 | |
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419 | this->model->finalize(); |
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420 | */ |
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421 | } |
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422 | } |
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423 | |
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424 | float Terrain::getHeight(float x, float y) |
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425 | { |
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426 | if(this->heightMap != NULL) |
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427 | return (this->heightMap->getHeight(x, y)); |
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428 | return 0; |
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429 | } |
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