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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 Sun Nov 28 19:48:42 2004