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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.
*
* $URL$
* $Id$
*
*/
#ifndef CRUISE_SAVELOAD_H
#define CRUISE_SAVELOAD_H
#include "common/scummsys.h"
#include "common/savefile.h"
namespace Cruise {
/* TODO: This code is copied verbatim from the Tinsel engine, and in turn was derived from
* the SCUMM engine. As such it should probably be brought into the common codebase
*/
#define SYNC_AS(SUFFIX,TYPE,SIZE) \
template <class T> \
void syncAs ## SUFFIX(T &val) { \
if (_loadStream) \
val = static_cast<T>(_loadStream->read ## SUFFIX()); \
else { \
TYPE tmp = val; \
_saveStream->write ## SUFFIX(tmp); \
} \
_bytesSynced += SIZE; \
}
class Serializer {
public:
Serializer(Common::SeekableReadStream *in, Common::OutSaveFile *out)
: _loadStream(in), _saveStream(out), _bytesSynced(0) {
assert(in || out);
}
bool isSaving() { return (_saveStream != 0); }
bool isLoading() { return (_loadStream != 0); }
uint bytesSynced() const { return _bytesSynced; }
void syncBytes(byte *buf, uint16 size) {
if (_loadStream)
_loadStream->read(buf, size);
else
_saveStream->write(buf, size);
_bytesSynced += size;
}
void syncString(char *buf, uint16 size) {
syncBytes((byte *)buf, size);
}
SYNC_AS(Byte, byte, 1)
SYNC_AS(Uint16LE, uint16, 2)
SYNC_AS(Uint16BE, uint16, 2)
SYNC_AS(Sint16LE, int16, 2)
SYNC_AS(Sint16BE, int16, 2)
SYNC_AS(Uint32LE, uint32, 4)
SYNC_AS(Uint32BE, uint32, 4)
SYNC_AS(Sint32LE, int32, 4)
SYNC_AS(Sint32BE, int32, 4)
protected:
Common::SeekableReadStream *_loadStream;
Common::OutSaveFile *_saveStream;
uint _bytesSynced;
};
#undef SYNC_AS
int saveSavegameData(int saveGameIdx);
int loadSavegameData(int saveGameIdx);
} // End of namespace Cruise
#endif
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