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engines/myst3/archive.h

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00001 /* ResidualVM - A 3D game interpreter
00002  *
00003  * ResidualVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the AUTHORS
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #ifndef MYST3_ARCHIVE_H
00024 #define MYST3_ARCHIVE_H
00025 
00026 #include "engines/myst3/directoryentry.h"
00027 #include "common/stream.h"
00028 #include "common/array.h"
00029 #include "common/file.h"
00030 
00031 namespace Myst3 {
00032 
00033 class Archive {
00034 private:
00035     bool _multipleRoom;
00036     char _roomName[5];
00037     Common::File _file;
00038     Common::Array<DirectoryEntry> _directory;
00039 
00040     void _decryptHeader(Common::SeekableReadStream &inStream, Common::WriteStream &outStream);
00041     void _readDirectory();
00042 public:
00043 
00044     const DirectorySubEntry *getDescription(const Common::String &room, uint32 index, uint16 face,
00045                                             DirectorySubEntry::ResourceType type);
00046     DirectorySubEntryList listFilesMatching(const Common::String &room, uint32 index, uint16 face,
00047                                             DirectorySubEntry::ResourceType type);
00048 
00049     Common::MemoryReadStream *dumpToMemory(uint32 offset, uint32 size);
00050     void dumpToFiles();
00051 
00052     bool open(const char *fileName, const char *room);
00053     void close();
00054 
00055     Common::String getRoomName() const;
00056 };
00057 
00058 } // End of namespace Myst3
00059 
00060 #endif


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