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engines/wintermute/persistent.h

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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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * 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)();
+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();\
+	const char *getClassName() override;\
+	static bool persistLoad(void* Instance, BasePersistenceManager* PersistMgr);\
+	className(TDynamicConstructor p1, TDynamicConstructor p2) : parentClass(p1, p2) { /*memset(this, 0, sizeof(class_name));*/ };\
+	bool persist(BasePersistenceManager *persistMgr) override;\
+	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