[612] | 1 | /* |
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| 2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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[1293] | 3 | * > www.orxonox.net < |
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[612] | 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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[1349] | 11 | * of the License, or (at your option) any later version. |
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| 12 | * |
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[612] | 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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[1535] | 23 | * Reto Grieder |
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[612] | 24 | * Co-authors: |
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[1535] | 25 | * Benjamin Knecht <beni_at_orxonox.net>, (C) 2007, Felix Schulthess |
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[612] | 26 | * |
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| 27 | */ |
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[1035] | 28 | |
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[612] | 29 | /** |
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| 30 | @file orxonox.cc |
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| 31 | @brief Orxonox class |
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| 32 | */ |
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| 33 | |
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[1021] | 34 | #include "OrxonoxStableHeaders.h" |
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[1039] | 35 | #include "GraphicsEngine.h" |
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[612] | 36 | |
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[1538] | 37 | #include <fstream> |
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| 38 | |
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[1535] | 39 | #include <OgreConfigFile.h> |
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[1021] | 40 | #include <OgreException.h> |
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[1024] | 41 | #include <OgreLogManager.h> |
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[1535] | 42 | #include <OgreRoot.h> |
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| 43 | #include <OgreSceneManager.h> |
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[612] | 44 | #include <OgreTextureManager.h> |
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[1535] | 45 | #include <OgreViewport.h> |
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| 46 | |
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[1293] | 47 | #include "core/CoreIncludes.h" |
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| 48 | #include "core/ConfigValueIncludes.h" |
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[1591] | 49 | #include "core/Iterator.h" |
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[1505] | 50 | #include "core/CommandExecutor.h" |
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[1535] | 51 | #include "core/ConsoleCommand.h" |
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| 52 | #include "core/input/InputManager.h" |
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[1586] | 53 | #include "util/Debug.h" |
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[1535] | 54 | |
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[1502] | 55 | #include "console/InGameConsole.h" |
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[1564] | 56 | #include "hud/HUD.h" |
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[1563] | 57 | #include "tools/ParticleInterface.h" |
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[1535] | 58 | #include "Settings.h" |
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[1032] | 59 | |
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[612] | 60 | |
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| 61 | namespace orxonox { |
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[1032] | 62 | /** |
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| 63 | @brief Returns the singleton instance and creates it the first time. |
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| 64 | @return The only instance of GraphicsEngine. |
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| 65 | */ |
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[1293] | 66 | /*static*/ GraphicsEngine& GraphicsEngine::getSingleton() |
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[1032] | 67 | { |
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| 68 | static GraphicsEngine theOnlyInstance; |
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| 69 | return theOnlyInstance; |
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| 70 | } |
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| 71 | |
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| 72 | /** |
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| 73 | @brief Only use constructor to initialise variables and pointers! |
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| 74 | */ |
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[1293] | 75 | GraphicsEngine::GraphicsEngine() : |
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| 76 | root_(0), |
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| 77 | scene_(0), |
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[1535] | 78 | renderWindow_(0) |
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[612] | 79 | { |
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[1021] | 80 | RegisterObject(GraphicsEngine); |
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[1293] | 81 | |
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[1563] | 82 | this->detailLevelParticle_ = 0; |
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| 83 | |
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[1021] | 84 | this->setConfigValues(); |
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[1293] | 85 | CCOUT(4) << "Constructed" << std::endl; |
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[612] | 86 | } |
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| 87 | |
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[1293] | 88 | void GraphicsEngine::setConfigValues() |
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| 89 | { |
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[1535] | 90 | SetConfigValue(resourceFile_, "resources.cfg").description("Location of the resources file in the data path."); |
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| 91 | SetConfigValue(ogreConfigFile_, "ogre.cfg").description("Location of the Ogre config file"); |
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| 92 | SetConfigValue(ogrePluginsFile_, "plugins.cfg").description("Location of the Ogre plugins file"); |
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| 93 | SetConfigValue(ogreLogFile_, "ogre.log").description("Logfile for messages from Ogre. \ |
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| 94 | Use \"\" to suppress log file creation."); |
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[1293] | 95 | SetConfigValue(ogreLogLevelTrivial_ , 5).description("Corresponding orxonox debug level for ogre Trivial"); |
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| 96 | SetConfigValue(ogreLogLevelNormal_ , 4).description("Corresponding orxonox debug level for ogre Normal"); |
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[1505] | 97 | SetConfigValue(ogreLogLevelCritical_, 2).description("Corresponding orxonox debug level for ogre Critical"); |
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[1563] | 98 | |
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[1610] | 99 | SetConfigValue(detailLevelParticle_, 2).description("O: off, 1: low, 2: normal, 3: high").callback(this, &GraphicsEngine::detailLevelParticleChanged); |
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[1596] | 100 | } |
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[1563] | 101 | |
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[1596] | 102 | void GraphicsEngine::detailLevelParticleChanged() |
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| 103 | { |
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| 104 | for (ObjectList<ParticleInterface>::iterator it = ObjectList<ParticleInterface>::begin(); it; ++it) |
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| 105 | it->detailLevelChanged(this->detailLevelParticle_); |
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[1293] | 106 | } |
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| 107 | |
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[1032] | 108 | /** |
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| 109 | @brief Called after main() --> call destroyObjects()! |
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| 110 | */ |
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[612] | 111 | GraphicsEngine::~GraphicsEngine() |
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| 112 | { |
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[1032] | 113 | this->destroy(); |
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| 114 | } |
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| 115 | |
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| 116 | /** |
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| 117 | @brief Destroys all the internal objects. Call this method when you |
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| 118 | normally would call the destructor. |
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| 119 | */ |
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| 120 | void GraphicsEngine::destroy() |
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| 121 | { |
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[1293] | 122 | CCOUT(4) << "Destroying objects..." << std::endl; |
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[1214] | 123 | Ogre::WindowEventUtilities::removeWindowEventListener(this->renderWindow_, this); |
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[1024] | 124 | if (this->root_) |
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[1021] | 125 | delete this->root_; |
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[1032] | 126 | this->root_ = 0; |
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| 127 | this->scene_ = 0; |
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| 128 | this->renderWindow_ = 0; |
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| 129 | // delete the ogre log and the logManager (since we have created it). |
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[1052] | 130 | if (Ogre::LogManager::getSingletonPtr() != 0) |
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[1024] | 131 | { |
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[1052] | 132 | Ogre::LogManager::getSingleton().getDefaultLog()->removeListener(this); |
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| 133 | Ogre::LogManager::getSingleton().destroyLog(Ogre::LogManager::getSingleton().getDefaultLog()); |
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| 134 | delete Ogre::LogManager::getSingletonPtr(); |
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[1024] | 135 | } |
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[1293] | 136 | CCOUT(4) << "Destroying objects done" << std::endl; |
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[612] | 137 | } |
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| 138 | |
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[1024] | 139 | /** |
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| 140 | @brief Creates the Ogre Root object and sets up the ogre log. |
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| 141 | */ |
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[1535] | 142 | bool GraphicsEngine::setup() |
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[612] | 143 | { |
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[1293] | 144 | CCOUT(3) << "Setting up..." << std::endl; |
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| 145 | // temporary overwrite of dataPath, change ini file for permanent change |
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| 146 | |
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[1502] | 147 | // TODO: LogManager doesn't work on specific systems. The why is unknown yet. |
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| 148 | #if ORXONOX_PLATFORM == ORXONOX_PLATFORM_WIN32 |
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| 149 | // create a logManager |
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[1293] | 150 | // note: If there's already a logManager, Ogre will complain by a failed assertation. |
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| 151 | // but that shouldn't happen, since this is the first time to create a logManager.. |
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| 152 | Ogre::LogManager* logger = new Ogre::LogManager(); |
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| 153 | CCOUT(4) << "Ogre LogManager created" << std::endl; |
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[1024] | 154 | |
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| 155 | // create our own log that we can listen to |
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[1062] | 156 | Ogre::Log *myLog; |
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[1535] | 157 | if (this->ogreLogFile_ == "") |
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[1024] | 158 | myLog = logger->createLog("ogre.log", true, false, true); |
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| 159 | else |
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[1535] | 160 | myLog = logger->createLog(this->ogreLogFile_, true, false, false); |
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[1293] | 161 | CCOUT(4) << "Ogre Log created" << std::endl; |
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[1024] | 162 | |
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[1062] | 163 | myLog->setLogDetail(Ogre::LL_BOREME); |
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[1502] | 164 | myLog->addListener(this); |
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| 165 | #endif |
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[1024] | 166 | |
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| 167 | // Root will detect that we've already created a Log |
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[1293] | 168 | CCOUT(4) << "Creating Ogre Root..." << std::endl; |
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[1502] | 169 | |
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[1535] | 170 | if (ogrePluginsFile_ == "") |
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| 171 | { |
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| 172 | COUT(1) << "Error: Ogre plugins file set to \"\". Cannot load." << std::endl; |
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| 173 | return false; |
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| 174 | } |
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| 175 | if (ogreConfigFile_ == "") |
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| 176 | { |
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| 177 | COUT(1) << "Error: Ogre config file set to \"\". Cannot load." << std::endl; |
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| 178 | return false; |
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| 179 | } |
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| 180 | if (ogreLogFile_ == "") |
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| 181 | { |
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| 182 | COUT(1) << "Error: Ogre log file set to \"\". Cannot load." << std::endl; |
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| 183 | return false; |
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| 184 | } |
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[1502] | 185 | |
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[1535] | 186 | try |
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| 187 | { |
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| 188 | root_ = new Ogre::Root(ogrePluginsFile_, ogreConfigFile_, ogreLogFile_); |
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| 189 | } |
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| 190 | catch (Ogre::Exception ex) |
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| 191 | { |
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| 192 | COUT(2) << "Error: There was an exception when creating Ogre Root." << std::endl; |
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| 193 | return false; |
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| 194 | } |
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| 195 | |
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| 196 | if (!root_->getInstalledPlugins().size()) |
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| 197 | { |
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| 198 | COUT(1) << "Error: No plugins declared. Cannot load Ogre." << std::endl; |
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| 199 | COUT(0) << "Is the plugins file correctly declared?" << std::endl; |
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| 200 | return false; |
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| 201 | } |
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| 202 | |
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[1507] | 203 | #if 0 |
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[1502] | 204 | // tame the ogre ouput so we don't get all the mess in the console |
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| 205 | Ogre::Log* defaultLog = Ogre::LogManager::getSingleton().getDefaultLog(); |
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| 206 | defaultLog->setDebugOutputEnabled(false); |
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| 207 | defaultLog->setLogDetail(Ogre::LL_BOREME); |
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| 208 | defaultLog->addListener(this); |
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| 209 | #endif |
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| 210 | |
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[1293] | 211 | CCOUT(4) << "Creating Ogre Root done" << std::endl; |
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[612] | 212 | |
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[1293] | 213 | // specify where Ogre has to look for resources. This call doesn't parse anything yet! |
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[1535] | 214 | if (!declareRessourceLocations()) |
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| 215 | return false; |
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[612] | 216 | |
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[1293] | 217 | CCOUT(3) << "Set up done." << std::endl; |
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[612] | 218 | return true; |
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| 219 | } |
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| 220 | |
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[1535] | 221 | bool GraphicsEngine::declareRessourceLocations() |
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[612] | 222 | { |
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[1293] | 223 | CCOUT(4) << "Declaring Resources" << std::endl; |
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[612] | 224 | //TODO: Specify layout of data file and maybe use xml-loader |
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| 225 | //TODO: Work with ressource groups (should be generated by a special loader) |
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[1535] | 226 | |
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| 227 | if (resourceFile_ == "") |
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| 228 | { |
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| 229 | COUT(1) << "Error: Resource file set to \"\". Cannot load." << std::endl; |
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| 230 | return false; |
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| 231 | } |
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| 232 | |
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[612] | 233 | // Load resource paths from data file using configfile ressource type |
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[1052] | 234 | Ogre::ConfigFile cf; |
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[1535] | 235 | try |
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| 236 | { |
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| 237 | cf.load(Settings::getDataPath() + resourceFile_); |
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| 238 | } |
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| 239 | catch (Ogre::Exception ex) |
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| 240 | { |
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| 241 | COUT(1) << "Error: Could not load resources.cfg in path " << Settings::getDataPath() << std::endl; |
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| 242 | COUT(0) << "Have you forgotten to set the data path in orxnox.ini?" << std::endl; |
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| 243 | return false; |
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| 244 | } |
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[612] | 245 | |
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| 246 | // Go through all sections & settings in the file |
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[1052] | 247 | Ogre::ConfigFile::SectionIterator seci = cf.getSectionIterator(); |
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[612] | 248 | |
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[715] | 249 | std::string secName, typeName, archName; |
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[612] | 250 | while (seci.hasMoreElements()) |
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| 251 | { |
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[1535] | 252 | try |
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[612] | 253 | { |
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[1535] | 254 | secName = seci.peekNextKey(); |
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| 255 | Ogre::ConfigFile::SettingsMultiMap *settings = seci.getNext(); |
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| 256 | Ogre::ConfigFile::SettingsMultiMap::iterator i; |
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| 257 | for (i = settings->begin(); i != settings->end(); ++i) |
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| 258 | { |
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| 259 | typeName = i->first; // for instance "FileSystem" or "Zip" |
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| 260 | archName = i->second; // name (and location) of archive |
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[612] | 261 | |
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[1535] | 262 | Ogre::ResourceGroupManager::getSingleton().addResourceLocation( |
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| 263 | std::string(Settings::getDataPath() + archName), typeName, secName); |
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| 264 | } |
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[612] | 265 | } |
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[1535] | 266 | catch (Ogre::Exception ex) |
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| 267 | { |
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| 268 | COUT(2) << "Exception while reading resources.cfg. Proceeding.." << ex.getDescription() << std::endl; |
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| 269 | } |
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[612] | 270 | } |
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[1535] | 271 | return true; |
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[612] | 272 | } |
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| 273 | |
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[1293] | 274 | bool GraphicsEngine::loadRenderer() |
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| 275 | { |
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| 276 | CCOUT(4) << "Configuring Renderer" << std::endl; |
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| 277 | |
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[1538] | 278 | // check for file existence because Ogre displays exceptions if not |
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| 279 | std::ifstream probe; |
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| 280 | probe.open(ogreConfigFile_.c_str()); |
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| 281 | if (!probe) |
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| 282 | { |
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| 283 | // create a zero sized file |
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| 284 | std::ofstream creator; |
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| 285 | creator.open(ogreConfigFile_.c_str()); |
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| 286 | creator.close(); |
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| 287 | } |
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| 288 | else |
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| 289 | probe.close(); |
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| 290 | |
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| 291 | if (!root_->restoreConfig()) |
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| 292 | if (!root_->showConfigDialog()) |
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| 293 | return false; |
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| 294 | |
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[1293] | 295 | CCOUT(4) << "Creating render window" << std::endl; |
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[1535] | 296 | try |
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| 297 | { |
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| 298 | this->renderWindow_ = root_->initialise(true, "OrxonoxV2"); |
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| 299 | } |
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| 300 | catch (Ogre::Exception ex) |
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| 301 | { |
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| 302 | COUT(2) << "Error: There was an exception when initialising Ogre Root." << std::endl; |
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| 303 | return false; |
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| 304 | } |
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| 305 | |
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[1293] | 306 | if (!root_->isInitialised()) |
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| 307 | { |
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[1535] | 308 | CCOUT(2) << "Error: Initialising Ogre root object failed." << std::endl; |
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[1293] | 309 | return false; |
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| 310 | } |
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| 311 | Ogre::WindowEventUtilities::addWindowEventListener(this->renderWindow_, this); |
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| 312 | Ogre::TextureManager::getSingleton().setDefaultNumMipmaps(5); |
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| 313 | return true; |
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| 314 | } |
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| 315 | |
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| 316 | bool GraphicsEngine::initialiseResources() |
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| 317 | { |
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| 318 | CCOUT(4) << "Initialising resources" << std::endl; |
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| 319 | //TODO: Do NOT load all the groups, why are we doing that? And do we really do that? initialise != load... |
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| 320 | try |
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| 321 | { |
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| 322 | Ogre::ResourceGroupManager::getSingleton().initialiseAllResourceGroups(); |
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| 323 | /*Ogre::StringVector str = Ogre::ResourceGroupManager::getSingleton().getResourceGroups(); |
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| 324 | for (unsigned int i = 0; i < str.size(); i++) |
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| 325 | { |
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| 326 | Ogre::ResourceGroupManager::getSingleton().loadResourceGroup(str[i]); |
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| 327 | }*/ |
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| 328 | } |
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| 329 | catch (Ogre::Exception e) |
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| 330 | { |
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| 331 | CCOUT(2) << "Error: There was an Error when initialising the resources." << std::endl; |
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| 332 | CCOUT(2) << "ErrorMessage: " << e.getFullDescription() << std::endl; |
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| 333 | return false; |
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| 334 | } |
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| 335 | return true; |
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| 336 | } |
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| 337 | |
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[1021] | 338 | /** |
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[1293] | 339 | * @brief Creates the SceneManager |
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| 340 | */ |
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| 341 | bool GraphicsEngine::createNewScene() |
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| 342 | { |
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[1502] | 343 | CCOUT(4) << "Creating new SceneManager..." << std::endl; |
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[1293] | 344 | if (scene_) |
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| 345 | { |
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| 346 | CCOUT(2) << "SceneManager already exists! Skipping." << std::endl; |
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| 347 | return false; |
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| 348 | } |
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| 349 | scene_ = root_->createSceneManager(Ogre::ST_GENERIC, "Default SceneManager"); |
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| 350 | CCOUT(3) << "Created SceneManager: " << scene_ << std::endl; |
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| 351 | return true; |
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| 352 | } |
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| 353 | |
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| 354 | /** |
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[1021] | 355 | Returns the window handle of the render window. |
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| 356 | At least the InputHandler uses this to create the OIS::InputManager |
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| 357 | @return The window handle of the render window |
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| 358 | */ |
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| 359 | size_t GraphicsEngine::getWindowHandle() |
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| 360 | { |
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| 361 | if (this->renderWindow_) |
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| 362 | { |
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[1024] | 363 | size_t windowHnd = 0; |
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[1032] | 364 | this->renderWindow_->getCustomAttribute("WINDOW", &windowHnd); |
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[1024] | 365 | return windowHnd; |
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| 366 | } |
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[1021] | 367 | else |
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| 368 | return 0; |
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| 369 | } |
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[612] | 370 | |
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[1021] | 371 | /** |
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| 372 | Get the width of the current render window |
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| 373 | @return The width of the current render window |
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| 374 | */ |
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| 375 | int GraphicsEngine::getWindowWidth() const |
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| 376 | { |
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| 377 | if (this->renderWindow_) |
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| 378 | return this->renderWindow_->getWidth(); |
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| 379 | else |
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| 380 | return 0; |
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| 381 | } |
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| 382 | |
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| 383 | /** |
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| 384 | Get the height of the current render window |
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| 385 | @return The height of the current render window |
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| 386 | */ |
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| 387 | int GraphicsEngine::getWindowHeight() const |
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| 388 | { |
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| 389 | if (this->renderWindow_) |
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| 390 | return this->renderWindow_->getHeight(); |
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| 391 | else |
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| 392 | return 0; |
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| 393 | } |
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| 394 | |
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[1024] | 395 | /** |
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[1505] | 396 | @brief Returns the window aspect ratio height/width. |
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| 397 | @return The ratio |
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| 398 | */ |
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| 399 | float GraphicsEngine::getWindowAspectRatio() const |
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| 400 | { |
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| 401 | if (this->renderWindow_) |
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| 402 | return (float)this->renderWindow_->getHeight() / (float)this->renderWindow_->getWidth(); |
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| 403 | else |
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| 404 | return 1.0f; |
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| 405 | } |
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| 406 | |
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| 407 | /** |
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[1024] | 408 | @brief Method called by the LogListener interface from Ogre. |
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| 409 | We use it to capture Ogre log messages and handle it ourselves. |
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| 410 | @param message The message to be logged |
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| 411 | @param lml The message level the log is using |
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| 412 | @param maskDebug If we are printing to the console or not |
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| 413 | @param logName the name of this log (so you can have several listeners |
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| 414 | for different logs, and identify them) |
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| 415 | */ |
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| 416 | void GraphicsEngine::messageLogged(const std::string& message, |
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[1052] | 417 | Ogre::LogMessageLevel lml, bool maskDebug, const std::string &logName) |
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[1024] | 418 | { |
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| 419 | int orxonoxLevel; |
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| 420 | switch (lml) |
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| 421 | { |
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[1052] | 422 | case Ogre::LML_TRIVIAL: |
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[1024] | 423 | orxonoxLevel = this->ogreLogLevelTrivial_; |
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| 424 | break; |
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[1052] | 425 | case Ogre::LML_NORMAL: |
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[1024] | 426 | orxonoxLevel = this->ogreLogLevelNormal_; |
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| 427 | break; |
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[1052] | 428 | case Ogre::LML_CRITICAL: |
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[1024] | 429 | orxonoxLevel = this->ogreLogLevelCritical_; |
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| 430 | break; |
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| 431 | default: |
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| 432 | orxonoxLevel = 0; |
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| 433 | } |
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| 434 | OutputHandler::getOutStream().setOutputLevel(orxonoxLevel) |
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[1293] | 435 | << "Ogre: " << message << std::endl; |
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[1024] | 436 | } |
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[1214] | 437 | |
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[1293] | 438 | /** |
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| 439 | * Window has resized. |
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| 440 | * @param rw The render window it occured in |
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| 441 | */ |
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| 442 | void GraphicsEngine::windowMoved(Ogre::RenderWindow *rw) |
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| 443 | { |
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| 444 | // note: this doesn't change the window extents |
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| 445 | } |
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[1214] | 446 | |
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[1293] | 447 | /** |
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| 448 | * Window has resized. |
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| 449 | * @param rw The render window it occured in |
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| 450 | * @note GraphicsEngine has a render window stored itself. This is the same |
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| 451 | * as rw. But we have to be careful when using multiple render windows! |
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| 452 | */ |
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[1505] | 453 | void GraphicsEngine::windowResized(Ogre::RenderWindow *rw) |
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| 454 | { |
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[1293] | 455 | // change the mouse clipping size for absolute mouse movements |
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| 456 | int w = rw->getWidth(); |
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| 457 | int h = rw->getHeight(); |
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| 458 | InputManager::setWindowExtents(w, h); |
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[1502] | 459 | InGameConsole::getInstance().resize(); |
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[1564] | 460 | HUD::getSingleton().resize(); |
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[1293] | 461 | } |
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[1214] | 462 | |
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[1293] | 463 | /** |
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| 464 | * Window has resized. |
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| 465 | * @param rw The render window it occured in |
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| 466 | */ |
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| 467 | void GraphicsEngine::windowFocusChanged(Ogre::RenderWindow *rw) |
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| 468 | { |
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| 469 | // note: this doesn't change the window extents |
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| 470 | } |
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| 471 | |
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| 472 | /** |
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| 473 | * Window has resized. |
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| 474 | * @param rw The render window it occured in |
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| 475 | */ |
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| 476 | void GraphicsEngine::windowClosed(Ogre::RenderWindow *rw) |
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| 477 | { |
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| 478 | // using CommandExecutor in order to avoid depending on Orxonox class. |
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| 479 | CommandExecutor::execute("exit", false); |
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| 480 | } |
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[1502] | 481 | |
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[612] | 482 | } |
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