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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 GOB_SAVELOAD_H
#define GOB_SAVELOAD_H
#include "common/stream.h"
#include "gob/video.h"
namespace Gob {
enum SaveType {
kSaveNone = -1,
kSaveGame,
kSaveTempSprite,
kSaveNotes,
kSaveScreenshot,
kSaveIgnore
};
class SaveLoad {
public:
int32 getSize(SaveType type);
bool load(SaveType type, int16 dataVar, int32 size, int32 offset);
bool save(SaveType type, int16 dataVar, int32 size, int32 offset);
virtual SaveType getSaveType(const char *fileName) = 0;
SaveLoad(GobEngine *vm, const char *targetName);
virtual ~SaveLoad();
protected:
int _curSlot;
char **_saveFiles;
int _stagesCount;
byte **_buffer;
// While using the notepad or changing the font, the original executable
// temporarily dumps Draw::_backSurface to a file. Since that's not really
// a nice thing to do, we work around it.
SurfaceDesc *_tempSprite;
Video::Color _tempPal[256];
int32 _tempSpriteSize;
GobEngine *_vm;
int getSpriteIndex(int32 size) {
if (size < -1000)
size += 1000;
return -size - 1;
}
bool getSpritePalette(int32 size) {
return size < -1000;
}
const char *setCurSlot(int slot);
bool fromEndian(byte *buf, const byte *sizes, uint32 count);
bool toEndian(byte *buf, const byte *sizes, uint32 count);
uint32 read(Common::ReadStream &in, byte *buf,
byte *sizes, uint32 count);
uint32 write(Common::WriteStream &out, byte *buf,
byte *sizes, uint32 count);
bool loadDataEndian(Common::ReadStream &in, int16 dataVar, uint32 size);
bool saveDataEndian(Common::WriteStream &out, int16 dataVar, uint32 size);
bool loadTempSprite(uint32 index, bool palette);
bool saveTempSprite(uint32 index, bool palette);
bool loadSprite(Common::ReadStream &in, int32 size);
bool saveSprite(Common::WriteStream &out, int32 size);
int32 getSizeTempSprite();
bool loadTempSprite(int16 dataVar, int32 size, int32 offset);
bool saveTempSprite(int16 dataVar, int32 size, int32 offset);
virtual uint32 getSaveGameSize() = 0;
virtual int32 getSizeGame() = 0;
virtual int32 getSizeNotes() = 0;
virtual int32 getSizeScreenshot() = 0;
virtual bool loadGame(int16 dataVar, int32 size, int32 offset) = 0;
virtual bool loadNotes(int16 dataVar, int32 size, int32 offset) = 0;
virtual bool loadScreenshot(int16 dataVar, int32 size, int32 offset) = 0;
virtual bool saveGame(int16 dataVar, int32 size, int32 offset) = 0;
virtual bool saveNotes(int16 dataVar, int32 size, int32 offset) = 0;
virtual bool saveScreenshot(int16 dataVar, int32 size, int32 offset) = 0;
};
class SaveLoad_v2 : public SaveLoad {
public:
virtual SaveType getSaveType(const char *fileName);
SaveLoad_v2(GobEngine *vm, const char *targetName);
virtual ~SaveLoad_v2() {}
protected:
virtual uint32 getSaveGameSize();
virtual int32 getSizeGame();
virtual int32 getSizeNotes();
virtual int32 getSizeScreenshot();
virtual bool loadGame(int16 dataVar, int32 size, int32 offset);
virtual bool loadNotes(int16 dataVar, int32 size, int32 offset);
virtual bool loadScreenshot(int16 dataVar, int32 size, int32 offset);
virtual bool saveGame(int16 dataVar, int32 size, int32 offset);
virtual bool saveNotes(int16 dataVar, int32 size, int32 offset);
virtual bool saveScreenshot(int16 dataVar, int32 size, int32 offset);
void initBuffer();
};
class SaveLoad_v3 : public SaveLoad_v2 {
public:
virtual SaveType getSaveType(const char *fileName);
SaveLoad_v3(GobEngine *vm, const char *targetName, uint32 screenshotSize = 19968,
int32 indexOffset = 40, int32 screenshotOffset = 80);
virtual ~SaveLoad_v3() {}
protected:
bool _useScreenshots;
bool _firstSizeGame;
int8 _saveSlot;
uint32 _screenshotSize;
int32 _indexOffset;
int32 _screenshotOffset;
virtual uint32 getSaveGameSize();
virtual int32 getSizeGame();
virtual int32 getSizeScreenshot();
virtual bool loadGame(int16 dataVar, int32 size, int32 offset);
virtual bool loadScreenshot(int16 dataVar, int32 size, int32 offset);
virtual bool saveGame(int16 dataVar, int32 size, int32 offset);
virtual bool saveNotes(int16 dataVar, int32 size, int32 offset);
virtual bool saveScreenshot(int16 dataVar, int32 size, int32 offset);
bool saveGame(int32 screenshotSize);
void initBuffer();
};
} // End of namespace Gob
#endif // GOB_SAVELOAD_H
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