This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Mar 12 14:37:50 2006
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 (c) 2000-2005 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 /* Original version Copyright (C) Scott Bilas, 2000. 00026 * All rights reserved worldwide. 00027 * 00028 * This software is provided "as is" without express or implied 00029 * warranties. You may freely copy and compile this source into 00030 * applications you distribute provided that the copyright text 00031 * below is included in the resulting source code, for example: 00032 * "Portions Copyright (C) Scott Bilas, 2000" 00033 */ 00034 #ifndef _SINGLETON_H__ 00035 #define _SINGLETON_H__ 00036 00037 // Added by Steve Streeting for Ogre 00038 #include "OgrePrerequisites.h" 00039 00040 #if OGRE_COMPILER == OGRE_COMPILER_MSVC 00041 // Turn off warnings generated by this singleton implementation 00042 # pragma warning (disable : 4311) 00043 # pragma warning (disable : 4312) 00044 #endif 00045 00046 namespace Ogre { 00047 // End SJS additions 00050 template <typename T> class Singleton 00051 { 00052 protected: 00053 00054 static T* ms_Singleton; 00055 00056 public: 00057 Singleton( void ) 00058 { 00059 assert( !ms_Singleton ); 00060 #if defined( _MSC_VER ) && _MSC_VER < 1200 00061 int offset = (int)(T*)1 - (int)(Singleton <T>*)(T*)1; 00062 ms_Singleton = (T*)((int)this + offset); 00063 #else 00064 ms_Singleton = static_cast< T* >( this ); 00065 #endif 00066 } 00067 ~Singleton( void ) 00068 { assert( ms_Singleton ); ms_Singleton = 0; } 00069 static T& getSingleton( void ) 00070 { assert( ms_Singleton ); return ( *ms_Singleton ); } 00071 static T* getSingletonPtr( void ) 00072 { return ms_Singleton; } 00073 }; 00074 } 00075 #endif
Copyright © 2000-2005 by The OGRE Team
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Mar 12 14:37:50 2006