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/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

/*
 * This file is based on WME Lite.
 * http://dead-code.org/redir.php?target=wmelite
 * Copyright (c) 2011 Jan Nedoma
 */

#ifndef WINTERMUTE_PERSISTENT_H
#define WINTERMUTE_PERSISTENT_H

namespace Wintermute {

class BasePersistenceManager;

// persistence support
typedef void *(*PERSISTBUILD)(void);
typedef bool(*PERSISTLOAD)(void *, BasePersistenceManager *);
typedef void(*SYS_INSTANCE_CALLBACK)(void *instance, void *data);
} // End of namespace Wintermute

#include "engines/wintermute/system/sys_class_registry.h"
namespace Wintermute {


#define DECLARE_PERSISTENT(className, parentClass)\
	static const char _className[];\
	static void *persistBuild(void);\
	virtual const char *getClassName();\
	static bool persistLoad(void* Instance, BasePersistenceManager* PersistMgr);\
	className(TDynamicConstructor p1, TDynamicConstructor p2) : parentClass(p1, p2) { /*memset(this, 0, sizeof(class_name));*/ };\
	virtual bool persist(BasePersistenceManager *persistMgr);\
	void* operator new (size_t size);\
	void operator delete(void* p);\


#define IMPLEMENT_PERSISTENT(className, persistentClass)\
	const char className::_className[] = #className;\
	void* className::persistBuild() {\
		return ::new className(DYNAMIC_CONSTRUCTOR, DYNAMIC_CONSTRUCTOR);\
	}\
	\
	bool className::persistLoad(void *instance, BasePersistenceManager *persistMgr) {\
		return ((className*)instance)->persist(persistMgr);\
	}\
	\
	const char *className::getClassName() {\
		return #className;\
	}\
	\
	/*SystemClass Register##class_name(class_name::_className, class_name::PersistBuild, class_name::PersistLoad, persistent_class);*/\
	\
	void* className::operator new(size_t size) {\
		void* ret = ::operator new(size);\
		SystemClassRegistry::getInstance()->registerInstance(#className, ret);\
		return ret;\
	}\
	\
	void className::operator delete(void *p) {\
		SystemClassRegistry::getInstance()->unregisterInstance(#className, p);\
		::operator delete(p);\
	}\

#define TMEMBER(memberName) #memberName, &memberName
#define TMEMBER_PTR(memberName) #memberName, &memberName
#define TMEMBER_INT(memberName) #memberName, (int32*)&memberName

} // End of namespace Wintermute

#endif