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 _Resource_H__ 00026 #define _Resource_H__ 00027 00028 #include "OgrePrerequisites.h" 00029 00030 #include "OgreString.h" 00031 00032 namespace Ogre { 00033 00034 typedef unsigned long ResourceHandle; 00035 00052 class _OgreExport Resource 00053 { 00054 friend class ResourceManager; 00055 protected: 00056 String mName; 00057 ResourceHandle mHandle; 00058 bool mIsLoaded; 00059 time_t mLastAccess; 00060 size_t mSize; 00061 00062 public: 00067 Resource() 00068 : mIsLoaded( false ), mSize( 0 ) 00069 { 00070 } 00071 00077 virtual ~Resource() 00078 { 00079 if( mIsLoaded ) 00080 unload(); 00081 } 00082 00085 virtual void load() = 0; 00086 00089 virtual void unload() {}; 00090 00093 virtual size_t getSize(void) const 00094 { 00095 return mSize; 00096 } 00097 00100 virtual void touch(void) 00101 { 00102 mLastAccess = time(NULL); 00103 if (!mIsLoaded) load(); 00104 } 00105 00108 time_t getLastAccess(void) const 00109 { 00110 return mLastAccess; 00111 } 00112 00115 const String& getName(void) const 00116 { 00117 return mName; 00118 } 00119 00120 ResourceHandle getHandle(void) const 00121 { 00122 return mHandle; 00123 } 00124 00127 bool isLoaded(void) const 00128 { 00129 return mIsLoaded; 00130 } 00131 00137 virtual void destroy() 00138 { 00139 delete this; 00140 } 00141 }; 00142 00143 } 00144 00145 #endif
Copyright © 2002-2003 by The OGRE Team
Last modified Fri May 14 23:22:40 2004