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Diffstat (limited to 'engines/zvision/file/save_manager.h')
-rw-r--r-- | engines/zvision/file/save_manager.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/engines/zvision/file/save_manager.h b/engines/zvision/file/save_manager.h new file mode 100644 index 0000000000..9e816373ea --- /dev/null +++ b/engines/zvision/file/save_manager.h @@ -0,0 +1,108 @@ +/* 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 ZVISION_SAVE_MANAGER_H +#define ZVISION_SAVE_MANAGER_H + +#include "common/savefile.h" +#include "common/memstream.h" + +namespace Common { +class String; +} + +namespace Graphics { +struct Surface; +} + +namespace ZVision { + +class ZVision; + +struct SaveGameHeader { + byte version; + Common::String saveName; + Graphics::Surface *thumbnail; + int saveYear, saveMonth, saveDay; + int saveHour, saveMinutes; +}; + +class SaveManager { +public: + SaveManager(ZVision *engine) : _engine(engine), _tempSave(NULL), _tempThumbnail(NULL), _lastSaveTime(0) {} + ~SaveManager() { + flushSaveBuffer(); + } + + uint32 getLastSaveTime() const { + return _lastSaveTime; + } + +private: + ZVision *_engine; + uint32 _lastSaveTime; + static const uint32 SAVEGAME_ID; + + enum { + SAVE_ORIGINAL = 0, + SAVE_VERSION = 1 + }; + + Common::MemoryWriteStreamDynamic *_tempThumbnail; + Common::MemoryWriteStreamDynamic *_tempSave; + +public: + /** + * Called every room change. Saves the state of the room just before + * the room changes. + */ + void autoSave(); + /** + * Copies the data from the last auto-save into a new save file. We + * can't use the current state data because the save menu *IS* a room. + * The file is named using ZVision::generateSaveFileName(slot) + * + * @param slot The save slot this save pertains to. Must be [1, 20] + * @param saveName The internal name for this save. This is NOT the name of the actual save file. + */ + void saveGame(uint slot, const Common::String &saveName, bool useSaveBuffer); + /** + * Loads the state data from the save file that slot references. Uses + * ZVision::generateSaveFileName(slot) to get the save file name. + * + * @param slot The save slot to load. Must be [1, 20] + */ + Common::Error loadGame(int slot); + + Common::SeekableReadStream *getSlotFile(uint slot); + bool readSaveGameHeader(Common::SeekableReadStream *in, SaveGameHeader &header); + + void prepareSaveBuffer(); + void flushSaveBuffer(); + bool scummVMSaveLoadDialog(bool isSave); +private: + void writeSaveGameHeader(Common::OutSaveFile *file, const Common::String &saveName, bool useSaveBuffer); +}; + +} // End of namespace ZVision + +#endif |