archive.h

/* 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef BLADERUNNER_ARCHIVE_H
#define BLADERUNNER_ARCHIVE_H

#include "common/array.h"
#include "common/file.h"
#include "common/substream.h"

namespace BladeRunner {

class MIXArchive {
public:
    MIXArchive();
    ~MIXArchive();

    static int32 getHash(const Common::String &name);
    static bool exists(const Common::Path &filename);

    bool open(const Common::Path &filename);
    void close();
    bool isOpen() const;

    Common::String getName() const { return _fd.getName(); }

    Common::SeekableReadStream *createReadStreamForMember(const Common::Path &name);

private:
    Common::File _fd;
    bool _isTLK;

    uint16 _entryCount;
    uint32 _size;

    struct ArchiveEntry {
        int32  hash;
        uint32 offset;
        uint32 length;
    };

    Common::Array<ArchiveEntry> _entries;

    uint32 indexForHash(int32 hash) const;
};


} // End of namespace BladeRunner

#endif