00001 /* 00002 ----------------------------------------------------------------------------- 00003 This source file is part of OGRE 00004 (Object-oriented Graphics Rendering Engine) 00005 For the latest info, see http://www.ogre3d.org/ 00006 00007 Copyright © 2000-2002 The OGRE Team 00008 Also see acknowledgements in Readme.html 00009 00010 This program is free software; you can redistribute it and/or modify it under 00011 the terms of the GNU Lesser General Public License as published by the Free Software 00012 Foundation; either version 2 of the License, or (at your option) any later 00013 version. 00014 00015 This program is distributed in the hope that it will be useful, but WITHOUT 00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. 00018 00019 You should have received a copy of the GNU Lesser General Public License along with 00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple 00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to 00022 http://www.gnu.org/copyleft/lesser.txt. 00023 ----------------------------------------------------------------------------- 00024 */ 00025 #ifndef _ResourceManager_H__ 00026 #define _ResourceManager_H__ 00027 00028 #include "OgrePrerequisites.h" 00029 00030 #include "OgreResource.h" 00031 #include "OgreDataChunk.h" 00032 #include "OgreArchiveEx.h" 00033 #include "OgreIteratorWrappers.h" 00034 00035 00036 namespace Ogre { 00037 00050 class _OgreExport ResourceManager 00051 { 00052 public: 00053 ResourceManager(); 00054 virtual ~ResourceManager(); 00055 00063 virtual void setMemoryBudget( size_t bytes); 00064 00073 virtual Resource* create( const String& name ) = 0; 00074 00077 virtual void load( Resource *res, int priority ); 00078 00081 virtual void add( Resource *res ); 00091 virtual void unload( Resource *res ); 00092 00098 virtual void unloadAndDestroyAll(void); 00099 00102 virtual Resource* getByName(const String& name); 00105 virtual Resource* getByHandle(ResourceHandle handle); 00106 00113 void addSearchPath( const String& path ); 00114 00122 static void addCommonSearchPath( const String& path ); 00123 00132 void addArchiveEx( const String& strName, const String& strDriverName ); 00133 00139 static void addCommonArchiveEx( const String& strName, const String& strDriverName ); 00140 00151 bool _findResourceData( const String& filename, DataChunk& refChunk ); 00152 00163 static std::set<String> _getAllCommonNamesLike( const String& startPath, const String& extension ); 00164 00173 std::set<String> _getAllNamesLike( const String& startPath, const String& extension ); 00174 00188 static bool _findCommonResourceData( const String& filename, DataChunk& refChunk ); 00189 00190 protected: 00191 00193 ResourceHandle getNextHandle(void); 00194 00195 typedef HashMap< String, ArchiveEx *, _StringHash > FileMap; 00196 typedef HashMap< String, Resource*, _StringHash > ResourceMap; 00197 00198 00199 static FileMap mCommonArchiveFiles; 00200 FileMap mArchiveFiles; 00201 00202 public: 00203 typedef std::map<ResourceHandle, Resource*> ResourceHandleMap; 00204 protected: 00205 ResourceHandleMap mResourcesByHandle; 00206 ResourceMap mResources; 00207 00208 ResourceHandle mNextHandle; 00209 00210 size_t mMemoryBudget; // In bytes 00211 size_t mMemoryUsage; // In bytes, at last checkUsage() call 00212 00215 void checkUsage(void); 00216 00218 static std::vector<ArchiveEx*> mCommonVFS; 00219 00221 std::vector<ArchiveEx*> mVFS; 00222 00223 public: 00224 typedef MapIterator<ResourceHandleMap> ResourceMapIterator; 00226 ResourceMapIterator getResourceIterator(void) 00227 { 00228 return ResourceMapIterator(mResourcesByHandle.begin(), mResourcesByHandle.end()); 00229 } 00230 00231 00232 }; 00233 00234 } 00235 00236 #endif
Copyright © 2002-2003 by The OGRE Team
Last modified Wed Jan 21 00:10:25 2004