[1] | 1 | /* |
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| 2 | ----------------------------------------------------------------------------- |
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| 3 | This source file is part of OGRE |
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| 4 | (Object-oriented Graphics Rendering Engine) |
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| 5 | For the latest info, see http://www.ogre3d.org/ |
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| 6 | |
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| 7 | Copyright (c) 2000-2006 Torus Knot Software Ltd |
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| 8 | Also see acknowledgements in Readme.html |
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| 9 | |
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| 10 | This program is free software; you can redistribute it and/or modify it under |
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software |
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| 12 | Foundation; either version 2 of the License, or (at your option) any later |
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| 13 | version. |
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| 14 | |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT |
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. |
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| 18 | |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with |
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to |
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| 22 | http://www.gnu.org/copyleft/lesser.txt. |
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| 23 | |
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| 24 | You may alternatively use this source under the terms of a specific version of |
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| 25 | the OGRE Unrestricted License provided you have obtained such a license from |
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| 26 | Torus Knot Software Ltd. |
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| 27 | ----------------------------------------------------------------------------- |
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| 28 | */ |
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| 29 | #include "OgreStableHeaders.h" |
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| 30 | #include "OgreSceneManagerEnumerator.h" |
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| 31 | |
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| 32 | #include "OgreDynLibManager.h" |
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| 33 | #include "OgreDynLib.h" |
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| 34 | #include "OgreConfigFile.h" |
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| 35 | #include "OgreMaterial.h" |
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| 36 | #include "OgreException.h" |
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| 37 | #include "OgreRoot.h" |
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| 38 | #include "OgreLogManager.h" |
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| 39 | |
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| 40 | |
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| 41 | namespace Ogre { |
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| 42 | |
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| 43 | //----------------------------------------------------------------------- |
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| 44 | template<> SceneManagerEnumerator* Singleton<SceneManagerEnumerator>::ms_Singleton = 0; |
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| 45 | SceneManagerEnumerator* SceneManagerEnumerator::getSingletonPtr(void) |
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| 46 | { |
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| 47 | return ms_Singleton; |
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| 48 | } |
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| 49 | SceneManagerEnumerator& SceneManagerEnumerator::getSingleton(void) |
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| 50 | { |
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| 51 | assert( ms_Singleton ); return ( *ms_Singleton ); |
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| 52 | } |
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| 53 | |
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| 54 | //----------------------------------------------------------------------- |
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| 55 | SceneManagerEnumerator::SceneManagerEnumerator() |
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| 56 | : mInstanceCreateCount(0), mCurrentRenderSystem(0) |
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| 57 | { |
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| 58 | addFactory(&mDefaultFactory); |
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| 59 | |
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| 60 | } |
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| 61 | //----------------------------------------------------------------------- |
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| 62 | SceneManagerEnumerator::~SceneManagerEnumerator() |
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| 63 | { |
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| 64 | // Destroy all remaining instances |
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| 65 | // Really should have shutdown and unregistered by now, but catch here in case |
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| 66 | for (Instances::iterator i = mInstances.begin(); i != mInstances.end(); ++i) |
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| 67 | { |
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| 68 | // destroy instances |
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| 69 | for(Factories::iterator f = mFactories.begin(); f != mFactories.end(); ++f) |
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| 70 | { |
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| 71 | if ((*f)->getMetaData().typeName == i->second->getTypeName()) |
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| 72 | { |
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| 73 | (*f)->destroyInstance(i->second); |
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| 74 | break; |
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| 75 | } |
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| 76 | } |
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| 77 | |
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| 78 | } |
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| 79 | mInstances.clear(); |
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| 80 | |
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| 81 | } |
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| 82 | //----------------------------------------------------------------------- |
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| 83 | void SceneManagerEnumerator::addFactory(SceneManagerFactory* fact) |
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| 84 | { |
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| 85 | mFactories.push_back(fact); |
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| 86 | // add to metadata |
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| 87 | mMetaDataList.push_back(&fact->getMetaData()); |
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| 88 | // Log |
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| 89 | LogManager::getSingleton().logMessage("SceneManagerFactory for type '" + |
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| 90 | fact->getMetaData().typeName + "' registered."); |
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| 91 | } |
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| 92 | //----------------------------------------------------------------------- |
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| 93 | void SceneManagerEnumerator::removeFactory(SceneManagerFactory* fact) |
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| 94 | { |
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| 95 | // destroy all instances for this factory |
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| 96 | for (Instances::iterator i = mInstances.begin(); i != mInstances.end(); ) |
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| 97 | { |
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| 98 | SceneManager* instance = i->second; |
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| 99 | if (instance->getTypeName() == fact->getMetaData().typeName) |
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| 100 | { |
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| 101 | fact->destroyInstance(instance); |
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| 102 | Instances::iterator deli = i++; |
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| 103 | mInstances.erase(deli); |
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| 104 | } |
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| 105 | else |
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| 106 | { |
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| 107 | ++i; |
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| 108 | } |
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| 109 | } |
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| 110 | // remove from metadata |
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| 111 | for (MetaDataList::iterator m = mMetaDataList.begin(); m != mMetaDataList.end(); ++m) |
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| 112 | { |
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| 113 | if(*m == &(fact->getMetaData())) |
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| 114 | { |
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| 115 | mMetaDataList.erase(m); |
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| 116 | break; |
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| 117 | } |
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| 118 | } |
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| 119 | mFactories.remove(fact); |
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| 120 | } |
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| 121 | //----------------------------------------------------------------------- |
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| 122 | const SceneManagerMetaData* SceneManagerEnumerator::getMetaData(const String& typeName) const |
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| 123 | { |
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| 124 | for (MetaDataList::const_iterator i = mMetaDataList.begin(); |
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| 125 | i != mMetaDataList.end(); ++i) |
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| 126 | { |
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| 127 | if (typeName == (*i)->typeName) |
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| 128 | { |
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| 129 | return *i; |
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| 130 | } |
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| 131 | } |
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| 132 | |
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| 133 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, |
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| 134 | "No metadata found for scene manager of type '" + typeName + "'", |
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| 135 | "SceneManagerEnumerator::createSceneManager"); |
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| 136 | |
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| 137 | } |
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| 138 | //----------------------------------------------------------------------- |
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| 139 | SceneManagerEnumerator::MetaDataIterator |
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| 140 | SceneManagerEnumerator::getMetaDataIterator(void) const |
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| 141 | { |
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| 142 | return MetaDataIterator(mMetaDataList.begin(), mMetaDataList.end()); |
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| 143 | |
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| 144 | } |
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| 145 | //----------------------------------------------------------------------- |
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| 146 | SceneManager* SceneManagerEnumerator::createSceneManager( |
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| 147 | const String& typeName, const String& instanceName) |
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| 148 | { |
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| 149 | if (mInstances.find(instanceName) != mInstances.end()) |
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| 150 | { |
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| 151 | OGRE_EXCEPT(Exception::ERR_DUPLICATE_ITEM, |
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| 152 | "SceneManager instance called '" + instanceName + "' already exists", |
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| 153 | "SceneManagerEnumerator::createSceneManager"); |
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| 154 | } |
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| 155 | |
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| 156 | SceneManager* inst = 0; |
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| 157 | for(Factories::iterator i = mFactories.begin(); i != mFactories.end(); ++i) |
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| 158 | { |
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| 159 | if ((*i)->getMetaData().typeName == typeName) |
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| 160 | { |
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| 161 | if (instanceName.empty()) |
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| 162 | { |
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| 163 | // generate a name |
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| 164 | StringUtil::StrStreamType s; |
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| 165 | s << "SceneManagerInstance" << ++mInstanceCreateCount; |
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| 166 | inst = (*i)->createInstance(s.str()); |
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| 167 | } |
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| 168 | else |
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| 169 | { |
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| 170 | inst = (*i)->createInstance(instanceName); |
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| 171 | } |
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| 172 | break; |
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| 173 | } |
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| 174 | } |
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| 175 | |
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| 176 | if (!inst) |
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| 177 | { |
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| 178 | // Error! |
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| 179 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, |
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| 180 | "No factory found for scene manager of type '" + typeName + "'", |
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| 181 | "SceneManagerEnumerator::createSceneManager"); |
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| 182 | } |
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| 183 | |
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| 184 | /// assign rs if already configured |
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| 185 | if (mCurrentRenderSystem) |
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| 186 | inst->_setDestinationRenderSystem(mCurrentRenderSystem); |
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| 187 | |
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| 188 | mInstances[inst->getName()] = inst; |
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| 189 | |
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| 190 | return inst; |
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| 191 | |
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| 192 | |
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| 193 | } |
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| 194 | //----------------------------------------------------------------------- |
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| 195 | SceneManager* SceneManagerEnumerator::createSceneManager( |
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| 196 | SceneTypeMask typeMask, const String& instanceName) |
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| 197 | { |
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| 198 | if (mInstances.find(instanceName) != mInstances.end()) |
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| 199 | { |
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| 200 | OGRE_EXCEPT(Exception::ERR_DUPLICATE_ITEM, |
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| 201 | "SceneManager instance called '" + instanceName + "' already exists", |
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| 202 | "SceneManagerEnumerator::createSceneManager"); |
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| 203 | } |
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| 204 | |
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| 205 | SceneManager* inst = 0; |
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| 206 | String name = instanceName; |
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| 207 | if (name.empty()) |
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| 208 | { |
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| 209 | // generate a name |
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| 210 | StringUtil::StrStreamType s; |
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| 211 | s << "SceneManagerInstance" << ++mInstanceCreateCount; |
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| 212 | name = s.str(); |
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| 213 | } |
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| 214 | |
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| 215 | // Iterate backwards to find the matching factory registered last |
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| 216 | for(Factories::reverse_iterator i = mFactories.rbegin(); i != mFactories.rend(); ++i) |
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| 217 | { |
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| 218 | if ((*i)->getMetaData().sceneTypeMask & typeMask) |
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| 219 | { |
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| 220 | inst = (*i)->createInstance(name); |
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| 221 | break; |
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| 222 | } |
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| 223 | } |
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| 224 | |
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| 225 | // use default factory if none |
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| 226 | if (!inst) |
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| 227 | inst = mDefaultFactory.createInstance(name); |
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| 228 | |
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| 229 | /// assign rs if already configured |
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| 230 | if (mCurrentRenderSystem) |
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| 231 | inst->_setDestinationRenderSystem(mCurrentRenderSystem); |
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| 232 | |
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| 233 | mInstances[inst->getName()] = inst; |
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| 234 | |
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| 235 | return inst; |
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| 236 | |
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| 237 | } |
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| 238 | //----------------------------------------------------------------------- |
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| 239 | void SceneManagerEnumerator::destroySceneManager(SceneManager* sm) |
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| 240 | { |
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| 241 | // Erase instance from map |
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| 242 | mInstances.erase(sm->getName()); |
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| 243 | |
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| 244 | // Find factory to destroy |
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| 245 | for(Factories::iterator i = mFactories.begin(); i != mFactories.end(); ++i) |
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| 246 | { |
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| 247 | if ((*i)->getMetaData().typeName == sm->getTypeName()) |
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| 248 | { |
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| 249 | (*i)->destroyInstance(sm); |
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| 250 | break; |
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| 251 | } |
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| 252 | } |
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| 253 | |
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| 254 | } |
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| 255 | //----------------------------------------------------------------------- |
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| 256 | SceneManager* SceneManagerEnumerator::getSceneManager(const String& instanceName) const |
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| 257 | { |
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| 258 | Instances::const_iterator i = mInstances.find(instanceName); |
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| 259 | if(i != mInstances.end()) |
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| 260 | { |
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| 261 | return i->second; |
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| 262 | } |
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| 263 | else |
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| 264 | { |
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| 265 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, |
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| 266 | "SceneManager instance with name '" + instanceName + "' not found.", |
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| 267 | "SceneManagerEnumerator::getSceneManager"); |
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| 268 | } |
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| 269 | |
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| 270 | } |
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| 271 | //----------------------------------------------------------------------- |
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| 272 | SceneManagerEnumerator::SceneManagerIterator |
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| 273 | SceneManagerEnumerator::getSceneManagerIterator(void) |
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| 274 | { |
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| 275 | return SceneManagerIterator(mInstances.begin(), mInstances.end()); |
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| 276 | |
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| 277 | } |
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| 278 | //----------------------------------------------------------------------- |
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| 279 | void SceneManagerEnumerator::setRenderSystem(RenderSystem* rs) |
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| 280 | { |
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| 281 | mCurrentRenderSystem = rs; |
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| 282 | |
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| 283 | for (Instances::iterator i = mInstances.begin(); i != mInstances.end(); ++i) |
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| 284 | { |
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| 285 | i->second->_setDestinationRenderSystem(rs); |
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| 286 | } |
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| 287 | |
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| 288 | } |
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| 289 | //----------------------------------------------------------------------- |
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| 290 | void SceneManagerEnumerator::shutdownAll(void) |
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| 291 | { |
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| 292 | for (Instances::iterator i = mInstances.begin(); i != mInstances.end(); ++i) |
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| 293 | { |
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| 294 | // shutdown instances (clear scene) |
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| 295 | i->second->clearScene(); |
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| 296 | } |
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| 297 | |
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| 298 | } |
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| 299 | //----------------------------------------------------------------------- |
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| 300 | const String DefaultSceneManagerFactory::FACTORY_TYPE_NAME = "DefaultSceneManager"; |
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| 301 | //----------------------------------------------------------------------- |
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| 302 | void DefaultSceneManagerFactory::initMetaData(void) const |
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| 303 | { |
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| 304 | mMetaData.typeName = FACTORY_TYPE_NAME; |
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| 305 | mMetaData.description = "The default scene manager"; |
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| 306 | mMetaData.sceneTypeMask = ST_GENERIC; |
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| 307 | mMetaData.worldGeometrySupported = false; |
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| 308 | } |
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| 309 | //----------------------------------------------------------------------- |
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| 310 | SceneManager* DefaultSceneManagerFactory::createInstance( |
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| 311 | const String& instanceName) |
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| 312 | { |
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| 313 | return new DefaultSceneManager(instanceName); |
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| 314 | } |
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| 315 | //----------------------------------------------------------------------- |
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| 316 | void DefaultSceneManagerFactory::destroyInstance(SceneManager* instance) |
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| 317 | { |
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| 318 | delete instance; |
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| 319 | } |
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| 320 | //----------------------------------------------------------------------- |
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| 321 | //----------------------------------------------------------------------- |
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| 322 | DefaultSceneManager::DefaultSceneManager(const String& name) |
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| 323 | : SceneManager(name) |
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| 324 | { |
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| 325 | } |
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| 326 | //----------------------------------------------------------------------- |
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| 327 | DefaultSceneManager::~DefaultSceneManager() |
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| 328 | { |
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| 329 | } |
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| 330 | //----------------------------------------------------------------------- |
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| 331 | const String& DefaultSceneManager::getTypeName(void) const |
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| 332 | { |
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| 333 | return DefaultSceneManagerFactory::FACTORY_TYPE_NAME; |
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| 334 | } |
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| 335 | //----------------------------------------------------------------------- |
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| 336 | |
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| 337 | |
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| 338 | } |
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