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Kukatz 3D
0.1
Török Attila szakdolgozata
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00001 /* 00002 * singleton.inl 00003 * Copyright (c) 2011 - TÖRÖK Attila (torokati44@gmail.com) 00004 * 00005 * This software is provided 'as-is', without any express or implied 00006 * warranty. In no event will the authors be held liable for any damages 00007 * arising from the use of this software. 00008 * 00009 * Permission is granted to anyone to use this software for any purpose, 00010 * including commercial applications, and to alter it and redistribute it 00011 * freely, subject to the following restrictions: 00012 * 00013 * 1. The origin of this software must not be misrepresented; you must not 00014 * claim that you wrote the original software. If you use this software 00015 * in a product, an acknowledgment in the product documentation would be 00016 * appreciated but is not required. 00017 * 00018 * 2. Altered source versions must be plainly marked as such, and must not be 00019 * misrepresented as being the original software. 00020 * 00021 * 3. This notice may not be removed or altered from any source 00022 * distribution. 00023 */ 00024 00025 // This file is based on OGRE's OgreSingleton.h which can be found here: 00026 // http://ogre.svn.sourceforge.net/viewvc/ogre/branches/v1-7/OgreMain/include/OgreSingleton.h?revision=9527&view=markup 00027 // Thanks! 00028 00029 #include <cassert> 00030 00031 template< class T > 00032 T* Singleton< T >::msp_instance = 0; 00033 00034 template< class T> 00035 Singleton< T >::Singleton() 00036 { 00037 assert(!msp_instance); 00038 msp_instance = static_cast< T* >(this); 00039 } 00040 00041 template< class T > 00042 T& Singleton< T >::instance() 00043 { 00044 assert(msp_instance); 00045 return *msp_instance; 00046 } 00047 00048 template< class T > 00049 T* Singleton< T >::instance_ptr() 00050 { 00051 return msp_instance; 00052 } 00053 00054 template< class T > 00055 T& Singleton< T >::operator () () 00056 { 00057 return &msp_instance; 00058 } 00059 00060 template< class T > 00061 Singleton< T >::~Singleton() // DO NOT have to delete msp_instance, it is 00062 { // being deconstructed right now... 00063 assert(msp_instance); 00064 msp_instance = 0; 00065 }