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Diffstat (limited to 'engines/gob/saveload.h')
| -rw-r--r-- | engines/gob/saveload.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/engines/gob/saveload.h b/engines/gob/saveload.h new file mode 100644 index 0000000000..905ec6965d --- /dev/null +++ b/engines/gob/saveload.h @@ -0,0 +1,162 @@ +/* ScummVM - Scumm Interpreter + * Copyright (C) 2004 Ivan Dubrov + * Copyright (C) 2004-2006 The ScummVM project + * + * 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); +}; + +class SaveLoad_v3 : public SaveLoad_v2 { +public: + virtual SaveType getSaveType(const char *fileName); + + SaveLoad_v3(GobEngine *vm, const char *targetName); + virtual ~SaveLoad_v3() {}; + +protected: + bool _useScreenshots; + bool _firstSizeGame; + int8 _saveSlot; + + 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); + + bool saveGame(int32 screenshotSize); +}; + +} // End of namespace Gob + +#endif // GOB_SAVELOAD_H |