riven_saveload.h

/* 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/>.
 *
 */

#ifndef MOHAWK_SAVELOAD_H
#define MOHAWK_SAVELOAD_H

#include "common/serializer.h"
#include "common/savefile.h"
#include "common/str.h"
#include "common/memstream.h"

#include "engines/savestate.h"

namespace Mohawk {

class MohawkEngine_Riven;

enum {
    kCDSaveGameVersion = 0x00010000,
    kDVDSaveGameVersion = 0x00010100
};

struct RivenSaveMetadata {
    uint8 saveDay;
    uint8 saveMonth;
    uint16 saveYear;

    uint8 saveHour;
    uint8 saveMinute;

    uint32 totalPlayTime;

    bool autoSave;

    Common::String saveDescription;

    RivenSaveMetadata();
    bool sync(Common::Serializer &s);
};

class RivenSaveLoad {
public:
    RivenSaveLoad(MohawkEngine_Riven*, Common::SaveFileManager*);
    ~RivenSaveLoad();

    Common::Error loadGame(const int slot);
    Common::Error saveGame(const int slot, const Common::String &description,
                           const Graphics::Surface *thumbnail, bool autoSave);
    static bool deleteSave(const int slot);

    static SaveStateDescriptor querySaveMetaInfos(const int slot);
    static Common::String querySaveDescription(const int slot);

private:
    MohawkEngine_Riven *_vm;
    Common::SaveFileManager *_saveFileMan;

    static Common::String buildSaveFilename(const int slot);

    Common::MemoryWriteStreamDynamic *genNAMESection();
    Common::MemoryWriteStreamDynamic *genMETASection(const Common::String &desc, bool autoSave) const;
    Common::MemoryWriteStreamDynamic *genTHMBSection(const Graphics::Surface *thumbnail) const;
    Common::MemoryWriteStreamDynamic *genVARSSection();
    Common::MemoryWriteStreamDynamic *genVERSSection();
    Common::MemoryWriteStreamDynamic *genZIPSSection();
};

} // End of namespace Mohawk

#endif