scummvm/engines/glk/frotz/quetzal.h

70 lines
2.0 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.
*
*/
#ifndef GLK_FROTZ_QUETZAL
#define GLK_FROTZ_QUETZAL
#include "glk/glk_types.h"
#include "glk/quetzal.h"
#include "glk/frotz/frotz_types.h"
namespace Glk {
namespace Frotz {
class Processor;
class Quetzal {
private:
Common::SeekableReadStream *_storyFile;
QuetzalReader _reader;
QuetzalWriter _writer;
zword frames[STACK_SIZE / 4 + 1];
public:
/**
* Constructor
*/
Quetzal(Common::SeekableReadStream *storyFile) : _storyFile(storyFile) {}
/*
* Save a game using Quetzal format.
* @param svf Savegame file
* @param proc Pointer to the Frotz processor
* @param desc Savegame description
* @returns Returns true if OK, false if failed
*/
bool save(Common::WriteStream *svf, Processor *proc, const Common::String &desc);
/**
* Restore a saved game using Quetzal format
* @param svf Savegame file
* @param proc Pointer to the Frotz processor
* @returns Return 2 if OK, 0 if an error occurred before any damage was done,
* -1 on a fatal error
*/
int restore(Common::SeekableReadStream *svf, Processor *proc);
};
} // End of namespace Frotz
} // End of namespace Glk
#endif