1 | |
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2 | |
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3 | /* |
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4 | orxonox - the future of 3D-vertical-scrollers |
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5 | |
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6 | Copyright (C) 2004 orx |
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7 | |
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8 | This program is free software; you can redistribute it and/or modify |
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9 | it under the terms of the GNU General Public License as published by |
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10 | the Free Software Foundation; either version 2, or (at your option) |
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11 | any later version. |
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12 | |
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13 | ### File Specific: |
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14 | main-programmer: Patrick Boenzli |
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15 | co-programmer: Christian Meyer |
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16 | */ |
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17 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_WORLD_ENTITY |
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18 | |
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19 | #include "world_entity.h" |
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20 | #include "shell_command.h" |
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21 | |
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22 | #include "model.h" |
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23 | #include "md2Model.h" |
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24 | #include "util/loading/resource_manager.h" |
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25 | #include "util/loading/load_param.h" |
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26 | #include "vector.h" |
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27 | #include "obb_tree.h" |
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28 | |
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29 | #include "glgui_bar.h" |
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30 | |
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31 | #include "state.h" |
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32 | #include "camera.h" |
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33 | |
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34 | #include "collision_handle.h" |
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35 | |
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36 | #include <stdarg.h> |
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37 | |
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38 | |
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39 | using namespace std; |
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40 | |
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41 | SHELL_COMMAND(model, WorldEntity, loadModel) |
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42 | ->describe("sets the Model of the WorldEntity") |
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43 | ->defaultValues("models/ships/fighter.obj", 1.0f); |
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44 | |
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45 | SHELL_COMMAND(debugEntity, WorldEntity, debugWE); |
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46 | |
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47 | /** |
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48 | * Loads the WordEntity-specific Part of any derived Class |
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49 | * |
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50 | * @param root: Normally NULL, as the Derived Entities define a loadParams Function themeselves, |
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51 | * that can calls WorldEntities loadParams for itself. |
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52 | */ |
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53 | WorldEntity::WorldEntity() |
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54 | : Synchronizeable() |
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55 | { |
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56 | this->setClassID(CL_WORLD_ENTITY, "WorldEntity"); |
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57 | |
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58 | this->obbTree = NULL; |
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59 | this->healthWidget = NULL; |
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60 | this->healthMax = 1.0f; |
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61 | this->health = 1.0f; |
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62 | this->scaling = 1.0f; |
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63 | |
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64 | /* OSOLETE */ |
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65 | this->bVisible = true; |
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66 | this->bCollide = true; |
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67 | |
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68 | this->objectListNumber = OM_INIT; |
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69 | this->objectListIterator = NULL; |
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70 | |
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71 | this->toList(OM_NULL); |
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72 | } |
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73 | |
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74 | /** |
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75 | * standard destructor |
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76 | */ |
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77 | WorldEntity::~WorldEntity () |
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78 | { |
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79 | State::getObjectManager()->toList(this, OM_INIT); |
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80 | |
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81 | // Delete the model (unregister it with the ResourceManager) |
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82 | for (unsigned int i = 0; i < this->models.size(); i++) |
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83 | this->setModel(NULL, i); |
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84 | |
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85 | // Delete the obbTree |
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86 | if( this->obbTree != NULL) |
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87 | delete this->obbTree; |
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88 | |
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89 | if (this->healthWidget != NULL) |
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90 | delete this->healthWidget; |
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91 | } |
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92 | |
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93 | /** |
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94 | * loads the WorldEntity Specific Parameters. |
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95 | * @param root: the XML-Element to load the Data From |
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96 | */ |
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97 | void WorldEntity::loadParams(const TiXmlElement* root) |
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98 | { |
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99 | // Do the PNode loading stuff |
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100 | PNode::loadParams(root); |
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101 | |
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102 | LoadParam(root, "md2texture", this, WorldEntity, loadMD2Texture) |
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103 | .describe("the fileName of the texture, that should be loaded onto this world-entity. (must be relative to the data-dir)") |
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104 | .defaultValues(""); |
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105 | |
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106 | // Model Loading |
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107 | LoadParam(root, "model", this, WorldEntity, loadModel) |
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108 | .describe("the fileName of the model, that should be loaded onto this world-entity. (must be relative to the data-dir)") |
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109 | .defaultValues("", 1.0f, 0); |
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110 | |
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111 | LoadParam(root, "maxHealth", this, WorldEntity, setHealthMax) |
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112 | .describe("The Maximum health that can be loaded onto this entity") |
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113 | .defaultValues(1.0f); |
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114 | |
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115 | LoadParam(root, "health", this, WorldEntity, setHealth) |
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116 | .describe("The Health the WorldEntity has at this moment") |
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117 | .defaultValues(1.0f); |
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118 | } |
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119 | |
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120 | |
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121 | /** |
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122 | * loads a Model onto a WorldEntity |
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123 | * @param fileName the name of the model to load |
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124 | * @param scaling the Scaling of the model |
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125 | * |
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126 | * FIXME |
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127 | * @todo: separate the obb tree generation from the model |
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128 | */ |
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129 | void WorldEntity::loadModel(const std::string& fileName, float scaling, unsigned int modelNumber, unsigned int obbTreeDepth) |
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130 | { |
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131 | this->modelLODName = fileName; |
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132 | this->scaling = scaling; |
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133 | if (!fileName.empty()) |
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134 | { |
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135 | // search for the special character # in the LoadParam |
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136 | if (fileName.find('#') != std::string::npos) |
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137 | { |
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138 | PRINTF(4)("Found # in %s... searching for LOD's\n", fileName.c_str()); |
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139 | std::string lodFile = fileName; |
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140 | unsigned int offset = lodFile.find('#'); |
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141 | for (unsigned int i = 0; i < 3; i++) |
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142 | { |
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143 | lodFile[offset] = 48+(int)i; |
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144 | if (ResourceManager::isInDataDir(lodFile)) |
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145 | this->loadModel(lodFile, scaling, i); |
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146 | } |
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147 | return; |
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148 | } |
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149 | if (this->scaling <= 0.0) |
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150 | { |
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151 | PRINTF(1)("YOU GAVE ME A CRAPY SCALE resetting to 1.0\n"); |
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152 | this->scaling = 1.0; |
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153 | } |
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154 | if(fileName.find(".obj") != std::string::npos) |
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155 | { |
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156 | PRINTF(4)("fetching OBJ file: %s\n", fileName.c_str()); |
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157 | BaseObject* loadedModel = ResourceManager::getInstance()->load(fileName, OBJ, RP_CAMPAIGN, this->scaling); |
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158 | if (loadedModel != NULL) |
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159 | this->setModel(dynamic_cast<Model*>(loadedModel), modelNumber); |
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160 | else |
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161 | PRINTF(1)("OBJ-File %s not found.\n", fileName.c_str()); |
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162 | |
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163 | if( modelNumber == 0) |
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164 | this->buildObbTree(obbTreeDepth); |
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165 | } |
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166 | else if(fileName.find(".md2") != std::string::npos) |
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167 | { |
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168 | PRINTF(4)("fetching MD2 file: %s\n", fileName.c_str()); |
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169 | Model* m = new MD2Model(fileName, this->md2TextureFileName, this->scaling); |
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170 | //this->setModel((Model*)ResourceManager::getInstance()->load(fileName, MD2, RP_CAMPAIGN), 0); |
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171 | this->setModel(m, 0); |
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172 | |
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173 | if( m != NULL) |
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174 | this->buildObbTree(obbTreeDepth); |
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175 | } |
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176 | } |
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177 | else |
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178 | { |
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179 | this->setModel(NULL); |
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180 | } |
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181 | } |
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182 | |
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183 | /** |
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184 | * sets a specific Model for the Object. |
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185 | * @param model The Model to set |
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186 | * @param modelNumber the n'th model in the List to get. |
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187 | */ |
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188 | void WorldEntity::setModel(Model* model, unsigned int modelNumber) |
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189 | { |
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190 | if (this->models.size() <= modelNumber) |
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191 | this->models.resize(modelNumber+1, NULL); |
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192 | |
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193 | if (this->models[modelNumber] != NULL) |
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194 | { |
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195 | Resource* resource = ResourceManager::getInstance()->locateResourceByPointer(dynamic_cast<BaseObject*>(this->models[modelNumber])); |
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196 | if (resource != NULL) |
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197 | ResourceManager::getInstance()->unload(resource, RP_LEVEL); |
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198 | else |
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199 | { |
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200 | PRINTF(4)("Forcing model deletion\n"); |
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201 | delete this->models[modelNumber]; |
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202 | } |
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203 | } |
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204 | |
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205 | this->models[modelNumber] = model; |
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206 | |
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207 | |
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208 | // if (this->model != NULL) |
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209 | // this->buildObbTree(4); |
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210 | } |
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211 | |
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212 | |
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213 | /** |
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214 | * builds the obb-tree |
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215 | * @param depth the depth to calculate |
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216 | */ |
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217 | bool WorldEntity::buildObbTree(int depth) |
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218 | { |
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219 | if (this->obbTree) |
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220 | delete this->obbTree; |
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221 | |
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222 | if (this->models[0] != NULL) |
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223 | { |
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224 | this->obbTree = new OBBTree(depth, models[0]->getModelInfo(), this); |
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225 | return true; |
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226 | } |
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227 | else |
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228 | { |
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229 | PRINTF(1)("could not create obb-tree, because no model was loaded yet\n"); |
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230 | this->obbTree = NULL; |
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231 | return false; |
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232 | } |
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233 | } |
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234 | |
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235 | |
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236 | /** |
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237 | * subscribes this world entity to a collision reaction |
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238 | * @param type the type of reaction to subscribe to |
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239 | * @param nrOfTargets number of target filters |
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240 | * @param ... the targets as classIDs |
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241 | */ |
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242 | void WorldEntity::subscribeReaction(CREngine::CRType type, int nrOfTargets, long target...) |
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243 | { |
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244 | |
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245 | this->collisionHandles[type] = CREngine::getInstance()->subscribeReaction(this, type); |
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246 | |
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247 | va_list itemlist; |
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248 | va_start (itemlist, target); |
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249 | for (int i = 0; i < nrOfTargets; i++) |
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250 | this->collisionHandles[type]->addTarget(va_arg(itemlist, long)); |
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251 | va_end(itemlist); |
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252 | } |
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253 | |
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254 | |
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255 | /** |
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256 | * registers a new collision to this world entity |
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257 | * @param collisionEvent the event |
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258 | */ |
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259 | void WorldEntity::registerCollision(WorldEntity* entityA, WorldEntity* entityB, BouningVolume* bvA, BoundingVolume* bvB) |
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260 | { |
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261 | // create a collision event |
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262 | Collision* c = CREngine::getInstance()->popCollisionObject(); |
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263 | c->collide(entityA, entityB, bvA, bvB); |
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264 | |
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265 | for(int i = 0; i < CREngine::CR_NUMBER; ++i) |
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266 | if( this->collisionHandles[i] != NULL) |
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267 | this->collisionHandles[i]->registerCollision(c); |
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268 | } |
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269 | |
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270 | |
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271 | /** |
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272 | * @brief moves this entity to the List OM_List |
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273 | * @param list the list to set this Entity to. |
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274 | * |
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275 | * this is the same as a call to State::getObjectManager()->toList(entity , list); |
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276 | * directly, but with an easier interface. |
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277 | * |
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278 | * @todo inline this (peut etre) |
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279 | */ |
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280 | void WorldEntity::toList(OM_LIST list) |
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281 | { |
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282 | State::getObjectManager()->toList(this, list); |
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283 | } |
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284 | |
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285 | |
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286 | |
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287 | /** |
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288 | * sets the character attributes of a worldentity |
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289 | * @param character attributes |
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290 | * |
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291 | * these attributes don't have to be set, only use them, if you need them |
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292 | */ |
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293 | //void WorldEntity::setCharacterAttributes(CharacterAttributes* charAttr) |
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294 | //{} |
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295 | |
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296 | |
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297 | /** |
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298 | * this function is called, when two entities collide |
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299 | * @param entity: the world entity with whom it collides |
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300 | * |
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301 | * Implement behaviour like damage application or other miscellaneous collision stuff in this function |
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302 | */ |
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303 | void WorldEntity::collidesWith(WorldEntity* entity, const Vector& location) |
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304 | { |
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305 | /** |
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306 | * THIS IS A DEFAULT COLLISION-Effect. |
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307 | * IF YOU WANT TO CREATE A SPECIFIC COLLISION ON EACH OBJECT |
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308 | * USE:: |
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309 | * if (entity->isA(CL_WHAT_YOU_ARE_LOOKING_FOR)) { printf "dothings"; }; |
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310 | * |
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311 | * You can always define a default Action.... don't be affraid just test it :) |
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312 | */ |
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313 | // PRINTF(3)("collision %s vs %s @ (%f,%f,%f)\n", this->getClassName(), entity->getClassName(), location.x, location.y, location.z); |
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314 | } |
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315 | |
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316 | |
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317 | /** |
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318 | * this is called immediately after the Entity has been constructed, initialized and then Spawned into the World |
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319 | * |
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320 | */ |
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321 | void WorldEntity::postSpawn () |
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322 | {} |
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323 | |
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324 | |
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325 | /** |
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326 | * this method is called by the world if the WorldEntity leaves the game |
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327 | */ |
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328 | void WorldEntity::leaveWorld () |
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329 | {} |
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330 | |
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331 | |
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332 | /** |
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333 | * resets the WorldEntity to its initial values. eg. used for multiplayer games: respawning |
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334 | */ |
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335 | void WorldEntity::reset() |
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336 | {} |
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337 | |
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338 | /** |
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339 | * this method is called every frame |
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340 | * @param time: the time in seconds that has passed since the last tick |
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341 | * |
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342 | * Handle all stuff that should update with time inside this method (movement, animation, etc.) |
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343 | */ |
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344 | void WorldEntity::tick(float time) |
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345 | {} |
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346 | |
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347 | |
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348 | /** |
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349 | * the entity is drawn onto the screen with this function |
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350 | * |
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351 | * This is a central function of an entity: call it to let the entity painted to the screen. |
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352 | * Just override this function with whatever you want to be drawn. |
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353 | */ |
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354 | void WorldEntity::draw() const |
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355 | { |
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356 | //PRINTF(0)("(%s::%s)\n", this->getClassName(), this->getName()); |
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357 | // assert(!unlikely(this->models.empty())); |
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358 | { |
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359 | glMatrixMode(GL_MODELVIEW); |
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360 | glPushMatrix(); |
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361 | |
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362 | /* translate */ |
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363 | glTranslatef (this->getAbsCoor ().x, |
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364 | this->getAbsCoor ().y, |
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365 | this->getAbsCoor ().z); |
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366 | Vector tmpRot = this->getAbsDir().getSpacialAxis(); |
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367 | glRotatef (this->getAbsDir().getSpacialAxisAngle(), tmpRot.x, tmpRot.y, tmpRot.z ); |
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368 | |
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369 | |
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370 | // This Draws the LOD's |
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371 | float cameraDistance = State::getCamera()->distance(this); |
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372 | if (cameraDistance > 30 && this->models.size() >= 3 && this->models[2] != NULL) |
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373 | { |
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374 | this->models[2]->draw(); |
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375 | } |
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376 | else if (cameraDistance > 10 && this->models.size() >= 2 && this->models[1] != NULL) |
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377 | { |
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378 | this->models[1]->draw(); |
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379 | } |
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380 | else if (this->models.size() >= 1 && this->models[0] != NULL) |
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381 | { |
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382 | this->models[0]->draw(); |
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383 | } |
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384 | glPopMatrix(); |
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385 | } |
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386 | } |
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387 | |
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388 | /** |
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389 | * @param health the Health to add. |
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390 | * @returns the health left (this->healthMax - health+this->health) |
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391 | */ |
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392 | float WorldEntity::increaseHealth(float health) |
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393 | { |
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394 | this->health += health; |
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395 | if (this->health > this->healthMax) |
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396 | { |
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397 | float retHealth = this->healthMax - this->health; |
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398 | this->health = this->healthMax; |
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399 | this->updateHealthWidget(); |
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400 | return retHealth; |
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401 | } |
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402 | this->updateHealthWidget(); |
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403 | return 0.0; |
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404 | } |
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405 | |
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406 | /** |
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407 | * @param health the Health to be removed |
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408 | * @returns 0.0 or the rest, that was not substracted (bellow 0.0) |
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409 | */ |
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410 | float WorldEntity::decreaseHealth(float health) |
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411 | { |
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412 | this->health -= health; |
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413 | |
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414 | if (this->health < 0) |
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415 | { |
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416 | float retHealth = -this->health; |
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417 | this->health = 0.0f; |
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418 | this->updateHealthWidget(); |
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419 | return retHealth; |
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420 | } |
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421 | this->updateHealthWidget(); |
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422 | return 0.0; |
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423 | |
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424 | } |
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425 | |
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426 | /** |
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427 | * @param maxHealth the maximal health that can be loaded onto the entity. |
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428 | */ |
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429 | void WorldEntity::setHealthMax(float healthMax) |
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430 | { |
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431 | this->healthMax = healthMax; |
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432 | if (this->health > this->healthMax) |
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433 | { |
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434 | PRINTF(3)("new maxHealth is bigger as the old health. Did you really intend to do this for (%s::%s)\n", this->getClassName(), this->getName()); |
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435 | this->health = this->healthMax; |
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436 | } |
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437 | this->updateHealthWidget(); |
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438 | } |
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439 | |
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440 | /** |
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441 | * @brief creates the HealthWidget |
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442 | * |
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443 | * since not all entities need an HealthWidget, it is only created on request. |
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444 | */ |
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445 | void WorldEntity::createHealthWidget() |
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446 | { |
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447 | if (this->healthWidget == NULL) |
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448 | { |
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449 | this->healthWidget = new OrxGui::GLGuiBar(); |
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450 | this->healthWidget->setSize2D(30,400); |
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451 | this->healthWidget->setAbsCoor2D(10,100); |
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452 | |
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453 | this->updateHealthWidget(); |
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454 | } |
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455 | else |
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456 | PRINTF(3)("Allready created the HealthWidget for %s::%s\n", this->getClassName(), this->getName()); |
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457 | } |
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458 | |
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459 | void WorldEntity::increaseHealthMax(float increaseHealth) |
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460 | { |
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461 | this->healthMax += increaseHealth; |
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462 | this->updateHealthWidget(); |
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463 | } |
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464 | |
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465 | |
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466 | OrxGui::GLGuiWidget* WorldEntity::getHealthWidget() |
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467 | { |
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468 | this->createHealthWidget(); |
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469 | return this->healthWidget; |
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470 | } |
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471 | |
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472 | /** |
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473 | * @param visibility shows or hides the health-bar |
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474 | * (creates the widget if needed) |
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475 | */ |
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476 | void WorldEntity::setHealthWidgetVisibilit(bool visibility) |
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477 | { |
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478 | if (visibility) |
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479 | { |
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480 | if (this->healthWidget != NULL) |
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481 | this->healthWidget->show(); |
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482 | else |
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483 | { |
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484 | this->createHealthWidget(); |
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485 | this->updateHealthWidget(); |
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486 | this->healthWidget->show(); |
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487 | } |
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488 | } |
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489 | else if (this->healthWidget != NULL) |
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490 | this->healthWidget->hide(); |
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491 | } |
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492 | |
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493 | /** |
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494 | * @brief updates the HealthWidget |
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495 | */ |
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496 | void WorldEntity::updateHealthWidget() |
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497 | { |
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498 | if (this->healthWidget != NULL) |
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499 | { |
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500 | this->healthWidget->setMaximum(this->healthMax); |
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501 | this->healthWidget->setValue(this->health); |
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502 | } |
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503 | } |
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504 | |
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505 | |
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506 | /** |
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507 | * DEBUG-DRAW OF THE BV-Tree. |
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508 | * @param depth What depth to draw |
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509 | * @param drawMode the mode to draw this entity under |
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510 | */ |
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511 | void WorldEntity::drawBVTree(int depth, int drawMode) const |
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512 | { |
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513 | glMatrixMode(GL_MODELVIEW); |
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514 | glPushMatrix(); |
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515 | /* translate */ |
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516 | glTranslatef (this->getAbsCoor ().x, |
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517 | this->getAbsCoor ().y, |
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518 | this->getAbsCoor ().z); |
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519 | /* rotate */ |
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520 | Vector tmpRot = this->getAbsDir().getSpacialAxis(); |
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521 | glRotatef (this->getAbsDir().getSpacialAxisAngle(), tmpRot.x, tmpRot.y, tmpRot.z ); |
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522 | |
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523 | |
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524 | if (this->obbTree) |
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525 | this->obbTree->drawBV(depth, drawMode); |
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526 | |
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527 | |
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528 | glPopMatrix(); |
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529 | } |
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530 | |
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531 | |
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532 | /** |
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533 | * Debug the WorldEntity |
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534 | */ |
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535 | void WorldEntity::debugEntity() const |
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536 | { |
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537 | PRINT(0)("WorldEntity %s::%s (DEBUG)\n", this->getClassName(), this->getName()); |
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538 | this->debugNode(); |
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539 | PRINT(0)("List: %s ; ModelCount %d - ", ObjectManager::OMListToString(this->objectListNumber) , this->models.size()); |
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540 | for (unsigned int i = 0; i < this->models.size(); i++) |
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541 | { |
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542 | if (models[i] != NULL) |
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543 | PRINT(0)(" : %d:%s", i, this->models[i]->getName()); |
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544 | } |
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545 | PRINT(0)("\n"); |
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546 | |
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547 | } |
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548 | |
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549 | |
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550 | |
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551 | |
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552 | /******************************************************************************************** |
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553 | NETWORK STUFF |
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554 | ********************************************************************************************/ |
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555 | |
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556 | |
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557 | /** |
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558 | * Writes data from network containing information about the state |
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559 | * @param data pointer to data |
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560 | * @param length length of data |
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561 | * @param sender hostID of sender |
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562 | */ |
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563 | int WorldEntity::writeState( const byte * data, int length, int sender ) |
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564 | { |
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565 | std::string modelFileName; |
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566 | SYNCHELP_READ_BEGIN(); |
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567 | |
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568 | SYNCHELP_READ_FKT( PNode::writeState, NWT_WE_PN_WRITESTATE ); |
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569 | |
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570 | SYNCHELP_READ_STRING( modelFileName, NWT_WE_PN_MODELFILENAME ); |
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571 | SYNCHELP_READ_FLOAT( scaling, NWT_WE_PN_SCALING ); |
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572 | //check if modelFileName is relative to datadir or absolute |
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573 | |
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574 | |
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575 | PRINTF(0)("================ LOADING MODEL %s, %f\n", modelFileName.c_str(), scaling); |
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576 | |
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577 | if ( modelFileName != "" ) |
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578 | { |
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579 | loadModel( modelFileName, scaling); |
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580 | PRINTF(0)("modelfilename: %s\n", getModel( 0 )->getName()); |
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581 | } |
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582 | |
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583 | /*SYNCHELP_READ_STRINGM( modelFileName ); |
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584 | |
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585 | if ( strcmp(modelFileName, "") ) |
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586 | if ( strstr(modelFileName, ResourceManager::getInstance()->getDataDir()) ) |
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587 | { |
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588 | this->md2TextureFileName = new char[strlen(modelFileName)-strlen(ResourceManager::getInstance()->getDataDir())+1]; |
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589 | strcpy((char*)this->md2TextureFileName, modelFileName+strlen(ResourceManager::getInstance()->getDataDir())); |
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590 | } |
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591 | else |
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592 | { |
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593 | this->md2TextureFileName = modelFileName; |
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594 | } |
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595 | */ |
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596 | |
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597 | return SYNCHELP_READ_N; |
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598 | } |
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599 | |
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600 | |
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601 | /** |
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602 | * data copied in data will bee sent to another host |
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603 | * @param data pointer to data |
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604 | * @param maxLength max length of data |
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605 | * @return the number of bytes writen |
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606 | */ |
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607 | int WorldEntity::readState( byte * data, int maxLength ) |
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608 | { |
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609 | SYNCHELP_WRITE_BEGIN(); |
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610 | |
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611 | SYNCHELP_WRITE_FKT( PNode::readState, NWT_WE_PN_WRITESTATE ); |
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612 | |
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613 | if ( getModel(0) && getModel(0)->getName() != "" ) |
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614 | { |
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615 | std::string name = getModel( 0 )->getName(); |
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616 | |
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617 | if ( name.find( ResourceManager::getInstance()->getDataDir() ) == 0 ) |
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618 | { |
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619 | name.erase(ResourceManager::getInstance()->getDataDir().size()); |
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620 | } |
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621 | |
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622 | SYNCHELP_WRITE_STRING( name, NWT_WE_PN_MODELFILENAME ); |
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623 | } |
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624 | else |
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625 | { |
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626 | SYNCHELP_WRITE_STRING("", NWT_WE_PN_MODELFILENAME); |
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627 | } |
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628 | |
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629 | SYNCHELP_WRITE_FLOAT( scaling, NWT_WE_PN_SCALING ); |
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630 | /*if ( this->md2TextureFileName!=NULL && strcmp(this->md2TextureFileName, "") ) |
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631 | { |
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632 | SYNCHELP_WRITE_STRING(this->md2TextureFileName); |
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633 | } |
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634 | else |
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635 | { |
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636 | SYNCHELP_WRITE_STRING(""); |
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637 | }*/ |
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638 | |
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639 | return SYNCHELP_WRITE_N; |
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640 | } |
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