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* Copyright (C) 2001 by Holger Rapp
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#ifndef __S__SINGLETON_H
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#define __S__SINGLETON_H
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/* Referenz: Game Programming Gems I, P. 38
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template <typename T> class Singleton {
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int offset = (int)(T*)1 - (int)(Singleton <T>*)(T*)1;
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ms=(T*)((int)this+offset);
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~Singleton(void) { assert(ms); ms=0; }
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static inline T& get_singleton(void) { assert (ms); return *ms; }
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static inline T* get_ptsingleton(void) { assert(ms); return ms; }
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template <typename T> T* Singleton <T>::ms=0;
added
removed
src/singleton.h
