scummvm/engines/neverhood/blbarchive.h
2014-02-18 02:39:36 +01:00

78 lines
2.2 KiB
C++

/* 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 NEVERHOOD_BLBARCHIVE_H
#define NEVERHOOD_BLBARCHIVE_H
#include "common/array.h"
#include "common/file.h"
#include "common/mutex.h"
#include "common/stream.h"
#include "common/substream.h"
#include "neverhood/neverhood.h"
namespace Neverhood {
struct BlbHeader {
uint32 id1;
uint16 id2;
uint16 extDataSize;
int32 fileSize;
uint32 fileCount;
};
struct BlbArchiveEntry {
uint32 fileHash;
byte type;
byte comprType;
byte *extData;
uint32 timeStamp;
uint32 offset;
uint32 diskSize;
uint32 size;
};
class BlbArchive {
public:
BlbArchive();
~BlbArchive();
void open(const Common::String &filename);
void load(uint index, byte *buffer, uint32 size);
void load(BlbArchiveEntry *entry, byte *buffer, uint32 size);
byte *getEntryExtData(uint index);
byte *getEntryExtData(BlbArchiveEntry *entry);
uint32 getSize(uint index) { return _entries[index].size; }
BlbArchiveEntry *getEntry(uint index) { return &_entries[index]; }
uint getCount() { return _entries.size(); }
Common::SeekableReadStream *createStream(uint index);
Common::SeekableReadStream *createStream(BlbArchiveEntry *entry);
private:
Common::File _fd;
Common::Mutex _mutex;
Common::Array<BlbArchiveEntry> _entries;
byte *_extData;
};
} // End of namespace Neverhood
#endif /* NEVERHOOD_BLBARCHIVE_H */