mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-30 14:14:43 +00:00
c57fd31246
0OT are compressed TOT files. The compression flag in the STK header is *not* set, and 0OT files are compressed in chunks, not as a whole.
113 lines
2.9 KiB
C++
113 lines
2.9 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 GOB_DATAIO_H
|
|
#define GOB_DATAIO_H
|
|
|
|
#include "common/endian.h"
|
|
#include "common/str.h"
|
|
#include "common/hashmap.h"
|
|
#include "common/array.h"
|
|
#include "common/file.h"
|
|
|
|
namespace Common {
|
|
class SeekableReadStream;
|
|
}
|
|
|
|
namespace Gob {
|
|
|
|
struct ArchiveInfo {
|
|
Common::String name;
|
|
bool base;
|
|
uint32 fileCount;
|
|
};
|
|
|
|
class DataIO {
|
|
public:
|
|
DataIO();
|
|
~DataIO();
|
|
|
|
void getArchiveInfo(Common::Array<ArchiveInfo> &info) const;
|
|
|
|
bool openArchive(Common::String name, bool base);
|
|
bool closeArchive(bool base);
|
|
|
|
bool hasFile(const Common::String &name);
|
|
|
|
int32 fileSize(const Common::String &name);
|
|
|
|
Common::SeekableReadStream *getFile(const Common::String &name);
|
|
byte *getFile(const Common::String &name, int32 &size);
|
|
|
|
static byte *unpack(const byte *src, uint32 srcSize, int32 &size, uint8 compression = 1);
|
|
static Common::SeekableReadStream *unpack(Common::SeekableReadStream &src, uint8 compression = 1);
|
|
|
|
private:
|
|
static const int kMaxArchives = 8;
|
|
|
|
struct Archive;
|
|
|
|
struct File {
|
|
Common::String name;
|
|
uint32 size;
|
|
uint32 offset;
|
|
uint8 compression;
|
|
|
|
Archive *archive;
|
|
|
|
File();
|
|
File(const Common::String &n, uint32 s, uint32 o, uint8 c, Archive &a);
|
|
};
|
|
|
|
typedef Common::HashMap<Common::String, File, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> FileMap;
|
|
|
|
struct Archive {
|
|
Common::String name;
|
|
Common::File file;
|
|
|
|
FileMap files;
|
|
|
|
bool base;
|
|
};
|
|
|
|
Common::Array<Archive *> _archives;
|
|
|
|
Archive *openArchive(const Common::String &name);
|
|
bool closeArchive(Archive &archive);
|
|
|
|
File *findFile(const Common::String &name);
|
|
|
|
Common::SeekableReadStream *getFile(File &file);
|
|
byte *getFile(File &file, int32 &size);
|
|
|
|
static byte *unpack(Common::SeekableReadStream &src, int32 &size, uint8 compression, bool useMalloc);
|
|
|
|
static uint32 getSizeChunks(Common::SeekableReadStream &src);
|
|
|
|
static void unpackChunks(Common::SeekableReadStream &src, byte *dest, uint32 size);
|
|
static void unpackChunk (Common::SeekableReadStream &src, byte *dest, uint32 size);
|
|
};
|
|
|
|
} // End of namespace Gob
|
|
|
|
#endif // GOB_DATAIO_H
|