1 | /* |
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2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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3 | * > www.orxonox.net < |
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4 | * |
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5 | * |
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6 | * License notice: |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or |
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9 | * modify it under the terms of the GNU General Public License |
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10 | * as published by the Free Software Foundation; either version 2 |
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11 | * of the License, or (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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21 | * |
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22 | * Author: |
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23 | * Reto Grieder |
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24 | * Benjamin Knecht <beni_at_orxonox.net>, (C) 2007 |
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25 | * Co-authors: |
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26 | * Felix Schulthess |
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27 | * |
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28 | */ |
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29 | |
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30 | /** |
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31 | @file |
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32 | @brief |
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33 | Implementation of an partial interface to Ogre. |
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34 | */ |
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35 | |
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36 | #include "GraphicsManager.h" |
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37 | |
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38 | #include <fstream> |
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39 | #include <boost/filesystem.hpp> |
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40 | |
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41 | #include <OgreCompositorManager.h> |
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42 | #include <OgreConfigFile.h> |
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43 | #include <OgreFrameListener.h> |
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44 | #include <OgreRoot.h> |
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45 | #include <OgreLogManager.h> |
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46 | #include <OgreException.h> |
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47 | #include <OgreRenderWindow.h> |
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48 | #include <OgreRenderSystem.h> |
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49 | #include <OgreTextureManager.h> |
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50 | #include <OgreViewport.h> |
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51 | #include <OgreWindowEventUtilities.h> |
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52 | |
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53 | #include "SpecialConfig.h" |
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54 | #include "util/Debug.h" |
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55 | #include "util/Exception.h" |
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56 | #include "util/String.h" |
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57 | #include "util/SubString.h" |
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58 | #include "core/Clock.h" |
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59 | #include "core/ConsoleCommand.h" |
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60 | #include "core/ConfigValueIncludes.h" |
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61 | #include "core/CoreIncludes.h" |
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62 | #include "core/Core.h" |
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63 | #include "core/Game.h" |
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64 | #include "core/GameMode.h" |
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65 | #include "tools/WindowEventListener.h" |
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66 | #include "tools/ParticleInterface.h" |
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67 | |
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68 | // HACK! |
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69 | #include "overlays/map/Map.h" |
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70 | |
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71 | namespace orxonox |
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72 | { |
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73 | class _OrxonoxExport OgreWindowEventListener : public Ogre::WindowEventListener |
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74 | { |
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75 | void windowResized (Ogre::RenderWindow* rw); |
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76 | void windowFocusChange (Ogre::RenderWindow* rw); |
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77 | void windowClosed (Ogre::RenderWindow* rw); |
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78 | //void windowMoved (Ogre::RenderWindow* rw); |
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79 | }; |
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80 | |
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81 | GraphicsManager* GraphicsManager::singletonRef_s = 0; |
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82 | |
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83 | /** |
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84 | @brief |
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85 | Non-initialising constructor. |
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86 | */ |
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87 | GraphicsManager::GraphicsManager() |
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88 | : ogreRoot_(0) |
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89 | , ogreLogger_(0) |
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90 | , renderWindow_(0) |
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91 | , viewport_(0) |
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92 | , ogreWindowEventListener_(0) |
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93 | { |
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94 | RegisterObject(GraphicsManager); |
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95 | |
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96 | assert(singletonRef_s == 0); |
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97 | singletonRef_s = this; |
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98 | |
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99 | this->loaded_ = false; |
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100 | |
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101 | this->setConfigValues(); |
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102 | } |
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103 | |
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104 | void GraphicsManager::initialise() |
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105 | { |
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106 | // Ogre setup procedure |
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107 | setupOgre(); |
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108 | // load all the required plugins for Ogre |
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109 | loadOgrePlugins(); |
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110 | // read resource declaration file |
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111 | this->declareResources(); |
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112 | // Reads ogre config and creates the render window |
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113 | this->loadRenderer(); |
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114 | |
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115 | // TODO: Spread this |
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116 | this->initialiseResources(); |
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117 | |
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118 | // add console commands |
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119 | FunctorMember<GraphicsManager>* functor1 = createFunctor(&GraphicsManager::printScreen); |
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120 | functor1->setObject(this); |
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121 | ccPrintScreen_ = createConsoleCommand(functor1, "printScreen"); |
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122 | CommandExecutor::addConsoleCommandShortcut(ccPrintScreen_); |
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123 | |
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124 | this->loaded_ = true; |
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125 | } |
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126 | |
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127 | /** |
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128 | @brief |
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129 | Destroys all the Ogre related objects |
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130 | */ |
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131 | GraphicsManager::~GraphicsManager() |
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132 | { |
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133 | if (this->loaded_) |
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134 | { |
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135 | delete this->ccPrintScreen_; |
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136 | |
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137 | if (this->ogreWindowEventListener_) |
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138 | { |
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139 | // remove our WindowEventListener first to avoid bad calls after the window has been destroyed |
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140 | Ogre::WindowEventUtilities::removeWindowEventListener(this->renderWindow_, this->ogreWindowEventListener_); |
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141 | delete this->ogreWindowEventListener_; |
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142 | } |
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143 | |
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144 | // destroy render window |
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145 | // Ogre::RenderSystem* renderer = this->ogreRoot_->getRenderSystem(); |
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146 | // renderer->destroyRenderWindow("Orxonox"); |
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147 | |
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148 | // HACK! This fixes an exit crash |
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149 | Map::hackDestroyMap(); |
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150 | |
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151 | // unload all compositors |
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152 | Ogre::CompositorManager::getSingleton().removeAll(); |
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153 | |
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154 | // Delete OGRE main control organ |
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155 | delete this->ogreRoot_; |
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156 | |
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157 | // delete the ogre log and the logManager (since we have created it in the first place). |
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158 | this->ogreLogger_->getDefaultLog()->removeListener(this); |
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159 | this->ogreLogger_->destroyLog(Ogre::LogManager::getSingleton().getDefaultLog()); |
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160 | delete this->ogreLogger_; |
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161 | } |
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162 | |
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163 | assert(singletonRef_s); |
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164 | singletonRef_s = 0; |
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165 | } |
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166 | |
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167 | void GraphicsManager::setConfigValues() |
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168 | { |
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169 | SetConfigValue(resourceFile_, "resources.cfg") |
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170 | .description("Location of the resources file in the data path."); |
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171 | SetConfigValue(ogreConfigFile_, "ogre.cfg") |
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172 | .description("Location of the Ogre config file"); |
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173 | SetConfigValue(ogrePluginsFolder_, ORXONOX_OGRE_PLUGINS_FOLDER) |
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174 | .description("Folder where the Ogre plugins are located."); |
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175 | SetConfigValue(ogrePlugins_, ORXONOX_OGRE_PLUGINS) |
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176 | .description("Comma separated list of all plugins to load."); |
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177 | SetConfigValue(ogreLogFile_, "ogre.log") |
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178 | .description("Logfile for messages from Ogre. Use \"\" to suppress log file creation."); |
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179 | SetConfigValue(ogreLogLevelTrivial_ , 5) |
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180 | .description("Corresponding orxonox debug level for ogre Trivial"); |
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181 | SetConfigValue(ogreLogLevelNormal_ , 4) |
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182 | .description("Corresponding orxonox debug level for ogre Normal"); |
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183 | SetConfigValue(ogreLogLevelCritical_, 2) |
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184 | .description("Corresponding orxonox debug level for ogre Critical"); |
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185 | SetConfigValue(detailLevelParticle_, 2) |
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186 | .description("O: off, 1: low, 2: normal, 3: high").callback(this, &GraphicsManager::detailLevelParticleChanged); |
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187 | } |
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188 | |
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189 | void GraphicsManager::detailLevelParticleChanged() |
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190 | { |
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191 | for (ObjectList<ParticleInterface>::iterator it = ObjectList<ParticleInterface>::begin(); it; ++it) |
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192 | it->detailLevelChanged(this->detailLevelParticle_); |
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193 | } |
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194 | |
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195 | void GraphicsManager::update(const Clock& time) |
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196 | { |
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197 | if (this->loaded_) |
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198 | { |
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199 | Ogre::FrameEvent evt; |
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200 | evt.timeSinceLastFrame = time.getDeltaTime(); |
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201 | evt.timeSinceLastEvent = time.getDeltaTime(); // note: same time, but shouldn't matter anyway |
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202 | |
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203 | // don't forget to call _fireFrameStarted to OGRE to make sure |
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204 | // everything goes smoothly |
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205 | ogreRoot_->_fireFrameStarted(evt); |
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206 | |
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207 | // Pump messages in all registered RenderWindows |
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208 | // This calls the WindowEventListener objects. |
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209 | Ogre::WindowEventUtilities::messagePump(); |
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210 | // make sure the window stays active even when not focused |
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211 | // (probably only necessary on windows) |
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212 | this->renderWindow_->setActive(true); |
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213 | |
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214 | // render |
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215 | ogreRoot_->_updateAllRenderTargets(); |
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216 | |
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217 | // again, just to be sure OGRE works fine |
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218 | ogreRoot_->_fireFrameEnded(evt); // note: uses the same time as _fireFrameStarted |
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219 | } |
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220 | } |
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221 | |
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222 | void GraphicsManager::setCamera(Ogre::Camera* camera) |
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223 | { |
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224 | this->viewport_->setCamera(camera); |
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225 | } |
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226 | |
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227 | /** |
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228 | @brief |
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229 | Creates the Ogre Root object and sets up the ogre log. |
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230 | */ |
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231 | void GraphicsManager::setupOgre() |
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232 | { |
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233 | COUT(3) << "Setting up Ogre..." << std::endl; |
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234 | |
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235 | if (ogreConfigFile_ == "") |
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236 | { |
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237 | COUT(2) << "Warning: Ogre config file set to \"\". Defaulting to config.cfg" << std::endl; |
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238 | ModifyConfigValue(ogreConfigFile_, tset, "config.cfg"); |
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239 | } |
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240 | if (ogreLogFile_ == "") |
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241 | { |
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242 | COUT(2) << "Warning: Ogre log file set to \"\". Defaulting to ogre.log" << std::endl; |
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243 | ModifyConfigValue(ogreLogFile_, tset, "ogre.log"); |
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244 | } |
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245 | |
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246 | boost::filesystem::path ogreConfigFilepath(Core::getConfigPath() / this->ogreConfigFile_); |
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247 | boost::filesystem::path ogreLogFilepath(Core::getLogPath() / this->ogreLogFile_); |
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248 | |
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249 | // create a new logManager |
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250 | // Ogre::Root will detect that we've already created a Log |
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251 | ogreLogger_ = new Ogre::LogManager(); |
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252 | COUT(4) << "Ogre LogManager created" << std::endl; |
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253 | |
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254 | // create our own log that we can listen to |
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255 | Ogre::Log *myLog; |
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256 | myLog = ogreLogger_->createLog(ogreLogFilepath.string(), true, false, false); |
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257 | COUT(4) << "Ogre Log created" << std::endl; |
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258 | |
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259 | myLog->setLogDetail(Ogre::LL_BOREME); |
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260 | myLog->addListener(this); |
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261 | |
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262 | COUT(4) << "Creating Ogre Root..." << std::endl; |
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263 | |
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264 | // check for config file existence because Ogre displays (caught) exceptions if not |
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265 | if (!boost::filesystem::exists(ogreConfigFilepath)) |
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266 | { |
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267 | // create a zero sized file |
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268 | std::ofstream creator; |
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269 | creator.open(ogreConfigFilepath.string().c_str()); |
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270 | creator.close(); |
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271 | } |
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272 | |
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273 | // Leave plugins file empty. We're going to do that part manually later |
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274 | ogreRoot_ = new Ogre::Root("", ogreConfigFilepath.string(), ogreLogFilepath.string()); |
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275 | |
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276 | COUT(3) << "Ogre set up done." << std::endl; |
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277 | } |
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278 | |
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279 | void GraphicsManager::loadOgrePlugins() |
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280 | { |
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281 | // just to make sure the next statement doesn't segfault |
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282 | if (ogrePluginsFolder_ == "") |
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283 | ogrePluginsFolder_ = "."; |
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284 | |
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285 | boost::filesystem::path folder(ogrePluginsFolder_); |
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286 | // Do some SubString magic to get the comma separated list of plugins |
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287 | SubString plugins(ogrePlugins_, ",", " ", false, 92, false, 34, false, 40, 41, false, '\0'); |
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288 | // Use backslash paths on Windows! file_string() already does that though. |
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289 | for (unsigned int i = 0; i < plugins.size(); ++i) |
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290 | ogreRoot_->loadPlugin((folder / plugins[i]).file_string()); |
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291 | } |
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292 | |
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293 | void GraphicsManager::declareResources() |
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294 | { |
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295 | CCOUT(4) << "Declaring Resources" << std::endl; |
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296 | //TODO: Specify layout of data file and maybe use xml-loader |
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297 | //TODO: Work with ressource groups (should be generated by a special loader) |
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298 | |
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299 | if (resourceFile_ == "") |
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300 | { |
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301 | COUT(2) << "Warning: Ogre resource file set to \"\". Defaulting to resources.cfg" << std::endl; |
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302 | ModifyConfigValue(resourceFile_, tset, "resources.cfg"); |
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303 | } |
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304 | |
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305 | // Load resource paths from data file using configfile ressource type |
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306 | Ogre::ConfigFile cf; |
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307 | try |
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308 | { |
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309 | cf.load((Core::getMediaPath() / resourceFile_).string()); |
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310 | } |
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311 | catch (...) |
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312 | { |
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313 | //COUT(1) << ex.getFullDescription() << std::endl; |
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314 | COUT(0) << "Have you forgotten to set the data path in orxnox.ini?" << std::endl; |
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315 | throw; |
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316 | } |
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317 | |
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318 | // Go through all sections & settings in the file |
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319 | Ogre::ConfigFile::SectionIterator seci = cf.getSectionIterator(); |
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320 | |
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321 | std::string secName, typeName, archName; |
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322 | while (seci.hasMoreElements()) |
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323 | { |
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324 | try |
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325 | { |
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326 | secName = seci.peekNextKey(); |
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327 | Ogre::ConfigFile::SettingsMultiMap *settings = seci.getNext(); |
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328 | Ogre::ConfigFile::SettingsMultiMap::iterator i; |
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329 | for (i = settings->begin(); i != settings->end(); ++i) |
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330 | { |
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331 | typeName = i->first; // for instance "FileSystem" or "Zip" |
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332 | archName = i->second; // name (and location) of archive |
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333 | |
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334 | Ogre::ResourceGroupManager::getSingleton().addResourceLocation( |
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335 | (Core::getMediaPath() / archName).string(), typeName, secName); |
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336 | } |
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337 | } |
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338 | catch (Ogre::Exception& ex) |
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339 | { |
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340 | COUT(1) << ex.getFullDescription() << std::endl; |
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341 | } |
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342 | } |
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343 | } |
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344 | |
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345 | void GraphicsManager::loadRenderer() |
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346 | { |
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347 | CCOUT(4) << "Configuring Renderer" << std::endl; |
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348 | |
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349 | if (!ogreRoot_->restoreConfig()) |
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350 | if (!ogreRoot_->showConfigDialog()) |
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351 | ThrowException(InitialisationFailed, "Could not show Ogre configuration dialogue."); |
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352 | |
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353 | CCOUT(4) << "Creating render window" << std::endl; |
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354 | |
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355 | this->renderWindow_ = ogreRoot_->initialise(true, "Orxonox"); |
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356 | |
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357 | this->ogreWindowEventListener_ = new OgreWindowEventListener(); |
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358 | Ogre::WindowEventUtilities::addWindowEventListener(this->renderWindow_, ogreWindowEventListener_); |
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359 | |
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360 | Ogre::TextureManager::getSingleton().setDefaultNumMipmaps(0); |
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361 | |
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362 | // create a full screen default viewport |
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363 | this->viewport_ = this->renderWindow_->addViewport(0, 0); |
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364 | } |
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365 | |
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366 | void GraphicsManager::initialiseResources() |
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367 | { |
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368 | CCOUT(4) << "Initialising resources" << std::endl; |
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369 | //TODO: Do NOT load all the groups, why are we doing that? And do we really do that? initialise != load... |
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370 | //try |
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371 | //{ |
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372 | Ogre::ResourceGroupManager::getSingleton().initialiseAllResourceGroups(); |
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373 | /*Ogre::StringVector str = Ogre::ResourceGroupManager::getSingleton().getResourceGroups(); |
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374 | for (unsigned int i = 0; i < str.size(); i++) |
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375 | { |
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376 | Ogre::ResourceGroupManager::getSingleton().loadResourceGroup(str[i]); |
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377 | }*/ |
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378 | //} |
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379 | //catch (...) |
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380 | //{ |
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381 | // CCOUT(2) << "Error: There was a serious error when initialising the resources." << std::endl; |
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382 | // throw; |
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383 | //} |
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384 | } |
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385 | |
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386 | /** |
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387 | @brief |
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388 | Method called by the LogListener interface from Ogre. |
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389 | We use it to capture Ogre log messages and handle it ourselves. |
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390 | @param message |
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391 | The message to be logged |
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392 | @param lml |
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393 | The message level the log is using |
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394 | @param maskDebug |
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395 | If we are printing to the console or not |
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396 | @param logName |
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397 | The name of this log (so you can have several listeners |
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398 | for different logs, and identify them) |
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399 | */ |
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400 | void GraphicsManager::messageLogged(const std::string& message, |
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401 | Ogre::LogMessageLevel lml, bool maskDebug, const std::string& logName) |
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402 | { |
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403 | int orxonoxLevel; |
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404 | switch (lml) |
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405 | { |
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406 | case Ogre::LML_TRIVIAL: |
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407 | orxonoxLevel = this->ogreLogLevelTrivial_; |
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408 | break; |
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409 | case Ogre::LML_NORMAL: |
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410 | orxonoxLevel = this->ogreLogLevelNormal_; |
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411 | break; |
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412 | case Ogre::LML_CRITICAL: |
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413 | orxonoxLevel = this->ogreLogLevelCritical_; |
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414 | break; |
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415 | default: |
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416 | orxonoxLevel = 0; |
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417 | } |
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418 | OutputHandler::getOutStream().setOutputLevel(orxonoxLevel) |
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419 | << "Ogre: " << message << std::endl; |
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420 | } |
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421 | |
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422 | void GraphicsManager::printScreen() |
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423 | { |
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424 | assert(this->renderWindow_); |
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425 | |
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426 | this->renderWindow_->writeContentsToTimestampedFile(Core::getLogPathString() + "screenShot_", ".jpg"); |
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427 | } |
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428 | |
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429 | |
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430 | /****** OgreWindowEventListener ******/ |
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431 | |
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432 | void OgreWindowEventListener::windowResized(Ogre::RenderWindow* rw) |
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433 | { |
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434 | for (ObjectList<orxonox::WindowEventListener>::iterator it |
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435 | = ObjectList<orxonox::WindowEventListener>::begin(); it; ++it) |
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436 | it->windowResized(rw->getWidth(), rw->getHeight()); |
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437 | } |
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438 | void OgreWindowEventListener::windowFocusChange(Ogre::RenderWindow* rw) |
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439 | { |
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440 | for (ObjectList<orxonox::WindowEventListener>::iterator it |
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441 | = ObjectList<orxonox::WindowEventListener>::begin(); it; ++it) |
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442 | it->windowFocusChanged(); |
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443 | } |
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444 | void OgreWindowEventListener::windowClosed(Ogre::RenderWindow* rw) |
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445 | { |
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446 | Game::getInstance().stop(); |
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447 | } |
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448 | } |
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