scummvm/engines/neverhood/nhcarchive.h
2023-12-24 13:19:25 +01:00

68 lines
2.1 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 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 NEVERHOOD_NHCARCHIVE_H
#define NEVERHOOD_NHCARCHIVE_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 NhcArchiveEntry {
uint32 fileHash;
uint32 type;
uint32 offset;
uint32 size;
bool isNormal() const {
// Resources 0-10 replace resources with the same ID
// Resources 11 and 12 are under custom ID for subtitle font and saveload dialog messages
// 13 adds subtitles to a video with the same ID and so should not replace it
return type <= 10;
}
};
class NhcArchive {
public:
NhcArchive() {}
~NhcArchive() {}
bool open(const Common::Path &filename, bool isOptional);
void load(uint index, byte *buffer, uint32 size);
void load(NhcArchiveEntry *entry, byte *buffer, uint32 size);
uint32 getSize(uint index) { return _entries[index].size; }
NhcArchiveEntry *getEntry(uint index) { return &_entries[index]; }
uint getCount() { return _entries.size(); }
Common::SeekableReadStream *createStream(uint index);
Common::SeekableReadStream *createStream(NhcArchiveEntry *entry);
private:
Common::File _fd;
Common::Mutex _mutex;
Common::Array<NhcArchiveEntry> _entries;
};
} // End of namespace Neverhood
#endif /* NEVERHOOD_BLBARCHIVE_H */