[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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[1755] | 24 | * Benjamin Knecht <beni_at_orxonox.net>, (C) 2007 |
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[612] | 25 | * Co-authors: |
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[1755] | 26 | * Felix Schulthess |
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[612] | 27 | * |
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| 28 | */ |
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[1035] | 29 | |
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[2801] | 30 | #include "GraphicsManager.h" |
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[612] | 31 | |
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[8231] | 32 | #include <cstdlib> |
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[2801] | 33 | #include <fstream> |
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[5695] | 34 | #include <sstream> |
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[2801] | 35 | #include <boost/filesystem.hpp> |
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[5695] | 36 | #include <boost/shared_array.hpp> |
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[2801] | 37 | |
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| 38 | #include <OgreFrameListener.h> |
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| 39 | #include <OgreRoot.h> |
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| 40 | #include <OgreLogManager.h> |
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[1755] | 41 | #include <OgreRenderWindow.h> |
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[2801] | 42 | #include <OgreRenderSystem.h> |
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[5695] | 43 | #include <OgreResourceGroupManager.h> |
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[2801] | 44 | #include <OgreTextureManager.h> |
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| 45 | #include <OgreViewport.h> |
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| 46 | #include <OgreWindowEventUtilities.h> |
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[1538] | 47 | |
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[2801] | 48 | #include "SpecialConfig.h" |
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[5929] | 49 | #include "util/Clock.h" |
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[2801] | 50 | #include "util/Exception.h" |
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[3280] | 51 | #include "util/StringUtils.h" |
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[2801] | 52 | #include "util/SubString.h" |
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[3346] | 53 | #include "ConfigValueIncludes.h" |
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| 54 | #include "CoreIncludes.h" |
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[7870] | 55 | #include "Core.h" |
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[3346] | 56 | #include "Game.h" |
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| 57 | #include "GameMode.h" |
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[5695] | 58 | #include "Loader.h" |
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[5929] | 59 | #include "PathConfig.h" |
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[3346] | 60 | #include "WindowEventListener.h" |
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[5695] | 61 | #include "XMLFile.h" |
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[7284] | 62 | #include "command/ConsoleCommand.h" |
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[1032] | 63 | |
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[1625] | 64 | namespace orxonox |
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| 65 | { |
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[7284] | 66 | static const std::string __CC_printScreen_name = "printScreen"; |
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| 67 | DeclareConsoleCommand(__CC_printScreen_name, &prototype::void__void); |
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| 68 | |
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[3327] | 69 | class OgreWindowEventListener : public Ogre::WindowEventListener |
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[2801] | 70 | { |
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[3327] | 71 | public: |
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| 72 | void windowResized (Ogre::RenderWindow* rw) |
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| 73 | { orxonox::WindowEventListener::resizeWindow(rw->getWidth(), rw->getHeight()); } |
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| 74 | void windowFocusChange (Ogre::RenderWindow* rw) |
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[7874] | 75 | { orxonox::WindowEventListener::changeWindowFocus(rw->isActive()); } |
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[3327] | 76 | void windowClosed (Ogre::RenderWindow* rw) |
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| 77 | { orxonox::Game::getInstance().stop(); } |
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| 78 | void windowMoved (Ogre::RenderWindow* rw) |
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| 79 | { orxonox::WindowEventListener::moveWindow(); } |
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[2801] | 80 | }; |
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[1032] | 81 | |
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[3366] | 82 | GraphicsManager* GraphicsManager::singletonPtr_s = 0; |
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[1293] | 83 | |
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[1755] | 84 | /** |
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| 85 | @brief |
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[2801] | 86 | Non-initialising constructor. |
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[1755] | 87 | */ |
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[5695] | 88 | GraphicsManager::GraphicsManager(bool bLoadRenderer) |
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| 89 | : ogreWindowEventListener_(new OgreWindowEventListener()) |
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[2801] | 90 | , renderWindow_(0) |
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| 91 | , viewport_(0) |
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[1024] | 92 | { |
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[2801] | 93 | RegisterObject(GraphicsManager); |
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| 94 | |
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| 95 | this->setConfigValues(); |
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[612] | 96 | |
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[5695] | 97 | // Ogre setup procedure (creating Ogre::Root) |
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| 98 | this->loadOgreRoot(); |
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[2801] | 99 | |
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[5695] | 100 | // At first, add the root paths of the data directories as resource locations |
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[6417] | 101 | Ogre::ResourceGroupManager::getSingleton().addResourceLocation(PathConfig::getDataPathString(), "FileSystem"); |
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[5695] | 102 | // Load resources |
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[6417] | 103 | resources_.reset(new XMLFile("DefaultResources.oxr")); |
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[5695] | 104 | resources_->setLuaSupport(false); |
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| 105 | Loader::open(resources_.get()); |
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| 106 | |
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| 107 | // Only for development runs |
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[5929] | 108 | if (PathConfig::isDevelopmentRun()) |
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[3280] | 109 | { |
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[6417] | 110 | Ogre::ResourceGroupManager::getSingleton().addResourceLocation(PathConfig::getExternalDataPathString(), "FileSystem"); |
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| 111 | extResources_.reset(new XMLFile("resources.oxr")); |
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[5695] | 112 | extResources_->setLuaSupport(false); |
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| 113 | Loader::open(extResources_.get()); |
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| 114 | } |
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[2801] | 115 | |
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[5695] | 116 | if (bLoadRenderer) |
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[3280] | 117 | { |
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[5695] | 118 | // Reads the ogre config and creates the render window |
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| 119 | this->upgradeToGraphics(); |
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[3280] | 120 | } |
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[2801] | 121 | } |
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| 122 | |
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[1755] | 123 | /** |
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| 124 | @brief |
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[5695] | 125 | Destruction is done by the member scoped_ptrs. |
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[1755] | 126 | */ |
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[2801] | 127 | GraphicsManager::~GraphicsManager() |
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[1535] | 128 | { |
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[5929] | 129 | Loader::unload(debugOverlay_.get()); |
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| 130 | |
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[5695] | 131 | Ogre::WindowEventUtilities::removeWindowEventListener(renderWindow_, ogreWindowEventListener_.get()); |
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[7284] | 132 | ModifyConsoleCommand(__CC_printScreen_name).resetFunction(); |
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[5929] | 133 | |
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| 134 | // Undeclare the resources |
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| 135 | Loader::unload(resources_.get()); |
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| 136 | if (PathConfig::isDevelopmentRun()) |
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| 137 | Loader::unload(extResources_.get()); |
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[1535] | 138 | } |
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| 139 | |
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[2801] | 140 | void GraphicsManager::setConfigValues() |
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[1535] | 141 | { |
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[2801] | 142 | SetConfigValue(ogreConfigFile_, "ogre.cfg") |
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| 143 | .description("Location of the Ogre config file"); |
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[5695] | 144 | SetConfigValue(ogrePlugins_, specialConfig::ogrePlugins) |
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[2801] | 145 | .description("Comma separated list of all plugins to load."); |
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| 146 | SetConfigValue(ogreLogFile_, "ogre.log") |
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| 147 | .description("Logfile for messages from Ogre. Use \"\" to suppress log file creation."); |
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| 148 | SetConfigValue(ogreLogLevelTrivial_ , 5) |
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| 149 | .description("Corresponding orxonox debug level for ogre Trivial"); |
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| 150 | SetConfigValue(ogreLogLevelNormal_ , 4) |
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| 151 | .description("Corresponding orxonox debug level for ogre Normal"); |
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| 152 | SetConfigValue(ogreLogLevelCritical_, 2) |
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| 153 | .description("Corresponding orxonox debug level for ogre Critical"); |
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[1535] | 154 | } |
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[612] | 155 | |
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[5695] | 156 | /** |
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| 157 | @brief |
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| 158 | Loads the renderer and creates the render window if not yet done so. |
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| 159 | @remarks |
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| 160 | This operation is irreversible without recreating the GraphicsManager! |
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| 161 | So if it throws you HAVE to recreate the GraphicsManager!!! |
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| 162 | It therefore offers almost no exception safety. |
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| 163 | */ |
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| 164 | void GraphicsManager::upgradeToGraphics() |
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[2801] | 165 | { |
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[5695] | 166 | if (renderWindow_ != NULL) |
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| 167 | return; |
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[2801] | 168 | |
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[6075] | 169 | // load all the required plugins for Ogre |
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| 170 | this->loadOgrePlugins(); |
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| 171 | |
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[5695] | 172 | this->loadRenderer(); |
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[2801] | 173 | |
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[5695] | 174 | // Initialise all resources (do this AFTER the renderer has been loaded!) |
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| 175 | // Note: You can only do this once! Ogre will check whether a resource group has |
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| 176 | // already been initialised. If you need to load resources later, you will have to |
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| 177 | // choose another resource group. |
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| 178 | Ogre::ResourceGroupManager::getSingleton().initialiseAllResourceGroups(); |
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[2801] | 179 | } |
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| 180 | |
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[1755] | 181 | /** |
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| 182 | @brief |
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[2801] | 183 | Creates the Ogre Root object and sets up the ogre log. |
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[1755] | 184 | */ |
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[5695] | 185 | void GraphicsManager::loadOgreRoot() |
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[1538] | 186 | { |
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[2801] | 187 | COUT(3) << "Setting up Ogre..." << std::endl; |
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| 188 | |
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[6417] | 189 | if (ogreConfigFile_.empty()) |
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[2801] | 190 | { |
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| 191 | COUT(2) << "Warning: Ogre config file set to \"\". Defaulting to config.cfg" << std::endl; |
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| 192 | ModifyConfigValue(ogreConfigFile_, tset, "config.cfg"); |
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| 193 | } |
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[6417] | 194 | if (ogreLogFile_.empty()) |
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[2801] | 195 | { |
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| 196 | COUT(2) << "Warning: Ogre log file set to \"\". Defaulting to ogre.log" << std::endl; |
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| 197 | ModifyConfigValue(ogreLogFile_, tset, "ogre.log"); |
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| 198 | } |
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| 199 | |
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[5929] | 200 | boost::filesystem::path ogreConfigFilepath(PathConfig::getConfigPath() / this->ogreConfigFile_); |
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| 201 | boost::filesystem::path ogreLogFilepath(PathConfig::getLogPath() / this->ogreLogFile_); |
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[2801] | 202 | |
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| 203 | // create a new logManager |
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| 204 | // Ogre::Root will detect that we've already created a Log |
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[5695] | 205 | ogreLogger_.reset(new Ogre::LogManager()); |
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[2801] | 206 | COUT(4) << "Ogre LogManager created" << std::endl; |
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| 207 | |
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| 208 | // create our own log that we can listen to |
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| 209 | Ogre::Log *myLog; |
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[5695] | 210 | myLog = ogreLogger_->createLog(ogreLogFilepath.string(), true, false, false); |
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[2801] | 211 | COUT(4) << "Ogre Log created" << std::endl; |
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| 212 | |
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| 213 | myLog->setLogDetail(Ogre::LL_BOREME); |
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| 214 | myLog->addListener(this); |
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| 215 | |
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| 216 | COUT(4) << "Creating Ogre Root..." << std::endl; |
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| 217 | |
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| 218 | // check for config file existence because Ogre displays (caught) exceptions if not |
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| 219 | if (!boost::filesystem::exists(ogreConfigFilepath)) |
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| 220 | { |
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| 221 | // create a zero sized file |
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| 222 | std::ofstream creator; |
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| 223 | creator.open(ogreConfigFilepath.string().c_str()); |
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| 224 | creator.close(); |
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| 225 | } |
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| 226 | |
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| 227 | // Leave plugins file empty. We're going to do that part manually later |
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[5695] | 228 | ogreRoot_.reset(new Ogre::Root("", ogreConfigFilepath.string(), ogreLogFilepath.string())); |
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[2801] | 229 | |
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| 230 | COUT(3) << "Ogre set up done." << std::endl; |
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[1538] | 231 | } |
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[2801] | 232 | |
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| 233 | void GraphicsManager::loadOgrePlugins() |
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| 234 | { |
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[8231] | 235 | // Plugin path can have many different locations... |
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| 236 | std::string pluginPath = specialConfig::ogrePluginsDirectory; |
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| 237 | #ifdef DEPENDENCY_PACKAGE_ENABLE |
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| 238 | if (!PathConfig::isDevelopmentRun()) |
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| 239 | { |
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| 240 | # if defined(ORXONOX_PLATFORM_WINDOWS) |
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| 241 | pluginPath = PathConfig::getExecutablePathString(); |
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| 242 | # elif defined(ORXONOX_PLATFORM_APPLE) |
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| 243 | // TODO: Where are the plugins being installed to? |
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| 244 | pluginPath = PathConfig::getExecutablePathString(); |
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| 245 | # endif |
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| 246 | } |
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| 247 | #endif |
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[2801] | 248 | |
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[8271] | 249 | #ifdef ORXONOX_PLATFORM_WINDOWS |
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[8231] | 250 | // Add OGRE plugin path to the environment. That way one plugin could |
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| 251 | // also depend on another without problems on Windows |
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[8271] | 252 | const char* currentPATH = getenv("PATH"); |
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| 253 | std::string newPATH = pluginPath; |
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| 254 | if (currentPATH != NULL) |
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| 255 | newPATH = std::string(currentPATH) + ';' + newPATH; |
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| 256 | putenv(const_cast<char*>(("PATH=" + newPATH).c_str())); |
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| 257 | #endif |
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[8231] | 258 | |
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[2801] | 259 | // Do some SubString magic to get the comma separated list of plugins |
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[7284] | 260 | SubString plugins(ogrePlugins_, ",", " ", false, '\\', false, '"', false, '{', '}', false, '\0'); |
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[2801] | 261 | for (unsigned int i = 0; i < plugins.size(); ++i) |
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[8231] | 262 | ogreRoot_->loadPlugin(plugins[i]); |
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[2801] | 263 | } |
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| 264 | |
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| 265 | void GraphicsManager::loadRenderer() |
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| 266 | { |
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| 267 | CCOUT(4) << "Configuring Renderer" << std::endl; |
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| 268 | |
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[7870] | 269 | if (!ogreRoot_->restoreConfig() || Core::getInstance().getOgreConfigTimestamp() > Core::getInstance().getLastLevelTimestamp()) |
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| 270 | { |
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[2801] | 271 | if (!ogreRoot_->showConfigDialog()) |
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[7868] | 272 | ThrowException(InitialisationFailed, "OGRE graphics configuration dialogue canceled."); |
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[7870] | 273 | else |
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| 274 | Core::getInstance().updateOgreConfigTimestamp(); |
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| 275 | } |
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[2801] | 276 | |
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| 277 | CCOUT(4) << "Creating render window" << std::endl; |
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| 278 | |
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| 279 | this->renderWindow_ = ogreRoot_->initialise(true, "Orxonox"); |
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[5695] | 280 | // Propagate the size of the new winodw |
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[3327] | 281 | this->ogreWindowEventListener_->windowResized(renderWindow_); |
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[2801] | 282 | |
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[5695] | 283 | Ogre::WindowEventUtilities::addWindowEventListener(this->renderWindow_, ogreWindowEventListener_.get()); |
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[8073] | 284 | |
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[5695] | 285 | // create a full screen default viewport |
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| 286 | // Note: This may throw when adding a viewport with an existing z-order! |
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| 287 | // But in our case we only have one viewport for now anyway, therefore |
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| 288 | // no ScopeGuards or anything to handle exceptions. |
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| 289 | this->viewport_ = this->renderWindow_->addViewport(0, 0); |
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| 290 | |
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[6524] | 291 | Ogre::TextureManager::getSingleton().setDefaultNumMipmaps(Ogre::MIP_UNLIMITED); |
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[2801] | 292 | |
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[5695] | 293 | // add console commands |
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[7284] | 294 | ModifyConsoleCommand(__CC_printScreen_name).setFunction(&GraphicsManager::printScreen, this); |
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[2801] | 295 | } |
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| 296 | |
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[5929] | 297 | void GraphicsManager::loadDebugOverlay() |
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| 298 | { |
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| 299 | // Load debug overlay to show info about fps and tick time |
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| 300 | COUT(4) << "Loading Debug Overlay..." << std::endl; |
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| 301 | debugOverlay_.reset(new XMLFile("debug.oxo")); |
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| 302 | Loader::open(debugOverlay_.get()); |
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| 303 | } |
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| 304 | |
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| 305 | /** |
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| 306 | @note |
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| 307 | A note about the Ogre::FrameListener: Even though we don't use them, |
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| 308 | they still get called. However, the delta times are not correct (except |
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| 309 | for timeSinceLastFrame, which is the most important). A little research |
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| 310 | as shown that there is probably only one FrameListener that doesn't even |
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| 311 | need the time. So we shouldn't run into problems. |
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| 312 | */ |
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[6417] | 313 | void GraphicsManager::postUpdate(const Clock& time) |
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[2801] | 314 | { |
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[5695] | 315 | Ogre::FrameEvent evt; |
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| 316 | evt.timeSinceLastFrame = time.getDeltaTime(); |
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| 317 | evt.timeSinceLastEvent = time.getDeltaTime(); // note: same time, but shouldn't matter anyway |
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| 318 | |
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| 319 | // don't forget to call _fireFrameStarted to OGRE to make sure |
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| 320 | // everything goes smoothly |
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| 321 | ogreRoot_->_fireFrameStarted(evt); |
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| 322 | |
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| 323 | // Pump messages in all registered RenderWindows |
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| 324 | // This calls the WindowEventListener objects. |
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| 325 | Ogre::WindowEventUtilities::messagePump(); |
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| 326 | // make sure the window stays active even when not focused |
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| 327 | // (probably only necessary on windows) |
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| 328 | this->renderWindow_->setActive(true); |
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| 329 | |
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| 330 | // Time before rendering |
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| 331 | uint64_t timeBeforeTick = time.getRealMicroseconds(); |
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| 332 | |
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| 333 | // Render frame |
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| 334 | ogreRoot_->_updateAllRenderTargets(); |
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| 335 | |
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| 336 | uint64_t timeAfterTick = time.getRealMicroseconds(); |
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| 337 | // Subtract the time used for rendering from the tick time counter |
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[6502] | 338 | Game::getInstance().subtractTickTime((int32_t)(timeAfterTick - timeBeforeTick)); |
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[5695] | 339 | |
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| 340 | // again, just to be sure OGRE works fine |
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| 341 | ogreRoot_->_fireFrameEnded(evt); // note: uses the same time as _fireFrameStarted |
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[2801] | 342 | } |
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| 343 | |
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[5695] | 344 | void GraphicsManager::setCamera(Ogre::Camera* camera) |
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| 345 | { |
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| 346 | this->viewport_->setCamera(camera); |
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| 347 | } |
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| 348 | |
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[2801] | 349 | /** |
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| 350 | @brief |
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| 351 | Method called by the LogListener interface from Ogre. |
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| 352 | We use it to capture Ogre log messages and handle it ourselves. |
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| 353 | @param message |
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| 354 | The message to be logged |
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| 355 | @param lml |
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| 356 | The message level the log is using |
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| 357 | @param maskDebug |
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| 358 | If we are printing to the console or not |
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| 359 | @param logName |
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| 360 | The name of this log (so you can have several listeners |
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| 361 | for different logs, and identify them) |
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| 362 | */ |
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| 363 | void GraphicsManager::messageLogged(const std::string& message, |
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| 364 | Ogre::LogMessageLevel lml, bool maskDebug, const std::string& logName) |
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| 365 | { |
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| 366 | int orxonoxLevel; |
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[6417] | 367 | std::string introduction; |
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| 368 | // Do not show caught OGRE exceptions in front |
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| 369 | if (message.find("EXCEPTION") != std::string::npos) |
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[2801] | 370 | { |
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[6417] | 371 | orxonoxLevel = OutputLevel::Debug; |
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| 372 | introduction = "Ogre, caught exception: "; |
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[2801] | 373 | } |
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[6417] | 374 | else |
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| 375 | { |
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| 376 | switch (lml) |
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| 377 | { |
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| 378 | case Ogre::LML_TRIVIAL: |
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| 379 | orxonoxLevel = this->ogreLogLevelTrivial_; |
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| 380 | break; |
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| 381 | case Ogre::LML_NORMAL: |
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| 382 | orxonoxLevel = this->ogreLogLevelNormal_; |
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| 383 | break; |
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| 384 | case Ogre::LML_CRITICAL: |
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| 385 | orxonoxLevel = this->ogreLogLevelCritical_; |
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| 386 | break; |
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| 387 | default: |
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| 388 | orxonoxLevel = 0; |
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| 389 | } |
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| 390 | introduction = "Ogre: "; |
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| 391 | } |
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[6105] | 392 | OutputHandler::getOutStream(orxonoxLevel) |
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[6417] | 393 | << introduction << message << std::endl; |
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[2801] | 394 | } |
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| 395 | |
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[5695] | 396 | size_t GraphicsManager::getRenderWindowHandle() |
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| 397 | { |
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| 398 | size_t windowHnd = 0; |
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| 399 | renderWindow_->getCustomAttribute("WINDOW", &windowHnd); |
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| 400 | return windowHnd; |
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| 401 | } |
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| 402 | |
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| 403 | bool GraphicsManager::isFullScreen() const |
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| 404 | { |
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| 405 | Ogre::ConfigOptionMap& options = ogreRoot_->getRenderSystem()->getConfigOptions(); |
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| 406 | if (options.find("Full Screen") != options.end()) |
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| 407 | { |
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| 408 | if (options["Full Screen"].currentValue == "Yes") |
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| 409 | return true; |
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| 410 | else |
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| 411 | return false; |
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| 412 | } |
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| 413 | else |
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| 414 | { |
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| 415 | COUT(0) << "Could not find 'Full Screen' render system option. Fix This!!!" << std::endl; |
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| 416 | return false; |
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| 417 | } |
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| 418 | } |
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| 419 | |
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[2801] | 420 | void GraphicsManager::printScreen() |
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| 421 | { |
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| 422 | assert(this->renderWindow_); |
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[6417] | 423 | this->renderWindow_->writeContentsToTimestampedFile(PathConfig::getLogPathString() + "screenShot_", ".png"); |
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[2801] | 424 | } |
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[612] | 425 | } |
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