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OgreResource.h

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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