scummvm/engines/wintermute/persistent.h
2013-04-20 17:16:56 +02:00

91 lines
3.0 KiB
C++

/* 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