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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.
*
*/
#ifndef ILLUSIONS_GAMESTATE_H
#define ILLUSIONS_GAMESTATE_H
#include "common/file.h"
#include "common/memstream.h"
namespace Illusions {
class GameState {
public:
GameState();
virtual ~GameState();
bool readState(uint32 &sceneId, uint32 &threadId);
void writeState(uint32 sceneId, uint32 threadId);
void read(Common::ReadStream *in);
void write(Common::WriteStream *out);
void deleteReadStream();
protected:
uint32 _writeBufferSize;
byte *_writeBuffer;
Common::SeekableReadStream *_readStream;
Common::WriteStream *newWriteStream();
uint32 calcWriteBufferSize();
virtual uint32 calcWriteBufferSizeInternal() = 0;
virtual bool readStateInternal(Common::ReadStream *in) = 0;
virtual void writeStateInternal(Common::WriteStream *out) = 0;
};
} // End of namespace Illusions
#endif // ILLUSIONS_GAMESTATE_H
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