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/*
* mpq.h -- some default types and defines.
*
* Copyright (C) 2003 Maik Broemme <mbroemme@plusserver.de>
*
* This source was adepted from the C++ version of StormLib.h and
* StormPort.h included in stormlib. The C++ version belongs to
* the following authors,
*
* Ladislav Zezula <ladik.zezula.net>
* Marko Friedemann <marko.friedemann@bmx-chemnitz.de>
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Id: mpq.h,v 1.8 2004/02/12 00:45:50 mbroemme Exp $
*/
#ifndef _MPQ_H
#define _MPQ_H
#include <limits.h>
#ifndef PATH_MAX
#define PATH_MAX 260
#endif
#define LIBMPQ_MAJOR_VERSION 0 /* Major version number... maybe sometimes we reach version 1 :) */
#define LIBMPQ_MINOR_VERSION 3 /* Minor version number - increased only for small changes */
#define LIBMPQ_PATCH_VERSION 0 /* Patchlevel - changed on bugfixes etc... */
#define LIBMPQ_TOOLS_SUCCESS 0 /* return value for all functions which success */
#define LIBMPQ_TOOLS_BUFSIZE 0x500 /* buffer size for the decryption engine */
#define LIBMPQ_EFILE -1 /* error on file operation */
#define LIBMPQ_EFILE_FORMAT -2 /* bad file format */
#define LIBMPQ_EFILE_CORRUPT -3 /* file corrupt */
#define LIBMPQ_EFILE_NOT_FOUND -4 /* file in archive not found */
#define LIBMPQ_EFILE_READ -5 /* Read error in archive */
#define LIBMPQ_EALLOCMEM -6 /* maybe not enough memory? :) */
#define LIBMPQ_EFREEMEM -7 /* can not free memory */
#define LIBMPQ_EINV_RANGE -8 /* Given filenumber is out of range */
#define LIBMPQ_EHASHTABLE -9 /* error in reading hashtable */
#define LIBMPQ_EBLOCKTABLE -10 /* error in reading blocktable */
#define LIBMPQ_ID_MPQ 0x1A51504D /* MPQ archive header ID ('MPQ\x1A') */
#define LIBMPQ_HEADER_W3M 0x6D9E4B86 /* special value used by W3M Map Protector */
#define LIBMPQ_FLAG_PROTECTED 0x00000002 /* Set on protected MPQs (like W3M maps) */
#define LIBMPQ_HASH_ENTRY_DELETED 0xFFFFFFFE /* Block index for deleted hash entry */
#define LIBMPQ_FILE_COMPRESS_PKWARE 0x00000100 /* Compression made by PKWARE Data Compression Library */
#define LIBMPQ_FILE_COMPRESS_MULTI 0x00000200 /* Multiple compressions */
#define LIBMPQ_FILE_COMPRESSED 0x0000FF00 /* File is compressed */
#define LIBMPQ_FILE_EXISTS 0x80000000 /* Set if file exists, reset when the file was deleted */
#define LIBMPQ_FILE_ENCRYPTED 0x00010000 /* Indicates whether file is encrypted */
#define LIBMPQ_FILE_HAS_METADATA 0x04000000
#define LIBMPQ_FILE_COMPRESSED_SIZE 1 /* MPQ compressed filesize of given file */
#define LIBMPQ_FILE_UNCOMPRESSED_SIZE 2 /* MPQ uncompressed filesize of given file */
#define LIBMPQ_FILE_COMPRESSION_TYPE 3 /* MPQ compression type of given file */
#define LIBMPQ_FILE_TYPE_INT 4 /* file is given by number */
#define LIBMPQ_FILE_TYPE_CHAR 5 /* file is given by name */
#define LIBMPQ_MPQ_ARCHIVE_SIZE 1 /* MPQ archive size */
#define LIBMPQ_MPQ_HASHTABLE_SIZE 2 /* MPQ archive hashtable size */
#define LIBMPQ_MPQ_BLOCKTABLE_SIZE 3 /* MPQ archive blocktable size */
#define LIBMPQ_MPQ_BLOCKSIZE 4 /* MPQ archive blocksize */
#define LIBMPQ_MPQ_NUMFILES 5 /* Number of files in the MPQ archive */
#define LIBMPQ_MPQ_COMPRESSED_SIZE 6 /* Compressed archive size */
#define LIBMPQ_MPQ_UNCOMPRESSED_SIZE 7 /* Uncompressed archive size */
#define LIBMPQ_HUFF_DECOMPRESS 0 /* Defines that we want to decompress using huffman trees. */
#define LIBMPQ_CONF_EFILE_OPEN -1 /* error if a specific listfile was forced and could not be opened. */
#define LIBMPQ_CONF_EFILE_CORRUPT -2 /* listfile seems to be corrupt */
#define LIBMPQ_CONF_EFILE_LIST_CORRUPT -3 /* listfile seems correct, but filelist is broken */
#define LIBMPQ_CONF_EFILE_NOT_FOUND -4 /* error if no matching listfile found */
#define LIBMPQ_CONF_EFILE_VERSION -5 /* libmpq version does not match required listfile version */
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE 1
#endif
/*
#ifndef min
#define min(a, b) ((a < b) ? a : b)
#endif
*/
typedef unsigned int mpq_buffer[LIBMPQ_TOOLS_BUFSIZE];
typedef int (*DECOMPRESS)(char *, int *, char *, int);
typedef struct {
unsigned long mask; /* Decompression bit */
DECOMPRESS decompress; /* Decompression function */
} decompress_table;
/* MPQ file header */
typedef struct {
unsigned int id; /* The 0x1A51504D ('MPQ\x1A') signature */
unsigned int offset; /* Offset of the first file (Relative to MPQ start) */
unsigned int archivesize; /* Size of MPQ archive */
unsigned short offsetsc; /* 0000 for SC and BW */
unsigned short blocksize; /* Size of file block is (0x200 << blockSize) */
unsigned int hashtablepos; /* File position of hashTable */
unsigned int blocktablepos; /* File position of blockTable. Each entry has 16 bytes */
unsigned int hashtablesize; /* Number of entries in hash table */
unsigned int blocktablesize; /* Number of entries in the block table */
} mpq_header;
//} __attribute__ ((packed)) mpq_header;
/* Hash entry. All files in the archive are searched by their hashes. */
typedef struct {
unsigned int name1; /* The first two unsigned ints */
unsigned int name2; /* are the encrypted file name */
unsigned int locale; /* Locale information. */
unsigned int blockindex; /* Index to file description block */
} mpq_hash;
/* File description block contains informations about the file */
typedef struct {
unsigned int filepos; /* Block file starting position in the archive */
unsigned int csize; /* Compressed file size */
unsigned int fsize; /* Uncompressed file size */
unsigned int flags; /* Flags */
} mpq_block;
/* File handle structure used since Diablo 1.00 (0x38 bytes) */
typedef struct {
unsigned char filename[PATH_MAX]; /* filename of the actual file in the archive */
int fd; /* File handle */
unsigned int seed; /* Seed used for file decrypt */
unsigned int filepos; /* Current file position */
unsigned int offset;
unsigned int nblocks; /* Number of blocks in the file (incl. the last noncomplete one) */
unsigned int *blockpos; /* Position of each file block (only for compressed files) */
int blockposloaded; /* TRUE if block positions loaded */
unsigned int offset2; /* (Number of bytes somewhere ?) */
mpq_hash *mpq_h; /* Hash table entry */
mpq_block *mpq_b; /* File block pointer */
/* Non-Storm.dll members */
unsigned int accessed; /* Was something from the file already read? */
} mpq_file;
/* List handle structure */
typedef struct {
unsigned char mpq_version[10]; /* libmpq version required by the listfile */
unsigned char mpq_name[PATH_MAX]; /* mpq archive name without full path */
unsigned char mpq_type[20]; /* mpq archive type */
unsigned char mpq_game[40]; /* blizzard title the file matches */
unsigned char mpq_game_version[10]; /* game version */
unsigned char **mpq_files; /* filelist */
} mpq_list;
/* Archive handle structure used since Diablo 1.00 */
typedef struct {
unsigned char filename[PATH_MAX]; /* Opened archive file name */
int fd; /* File handle */
unsigned int blockpos; /* Position of loaded block in the file */
unsigned int blocksize; /* Size of file block */
unsigned char *blockbuf; /* Buffer (cache) for file block */
unsigned int bufpos; /* Position in block buffer */
unsigned int mpqpos; /* MPQ archive position in the file */
unsigned int filepos; /* Current file pointer */
unsigned int openfiles; /* Number of open files + 1 */
mpq_buffer buf; /* MPQ buffer */
mpq_header *header; /* MPQ file header */
mpq_hash *hashtable; /* Hash table */
mpq_block *blocktable; /* Block table */
/* Non-Storm.dll members */
mpq_list *mpq_l; /* Handle to file list from database */
unsigned int flags; /* See LIBMPQ_TOOLS_FLAG_XXXXX */
unsigned int maxblockindex; /* The highest block table entry */
} mpq_archive;
extern char *libmpq_version();
extern int libmpq_archive_open(mpq_archive *mpq_a, unsigned char *mpq_filename);
extern int libmpq_archive_close(mpq_archive *mpq_a);
extern int libmpq_archive_info(mpq_archive *mpq_a, unsigned int infotype);
//extern int libmpq_file_extract(mpq_archive *mpq_a, const int number);
extern int libmpq_file_info(mpq_archive *mpq_a, unsigned int infotype, const unsigned int number);
extern char *libmpq_file_name(mpq_archive *mpq_a, const int number);
extern int libmpq_file_number(mpq_archive *mpq_a, const char *name);
extern int libmpq_file_check(mpq_archive *mpq_a, void *file, int type);
extern int libmpq_listfile_open(mpq_archive *mpq_a, char file[PATH_MAX]);
extern int libmpq_listfile_close(mpq_archive *mpq_a);
extern int libmpq_pkzip_decompress(char *out_buf, int *out_length, char *in_buf, int in_length);
extern int libmpq_zlib_decompress(char *out_buf, int *out_length, char *in_buf, int in_length);
extern int libmpq_huff_decompress(char *out_buf, int *out_length, char *in_buf, int in_length);
extern int libmpq_wave_decompress_stereo(char *out_buf, int *out_length, char *in_buf, int in_length);
extern int libmpq_wave_decompress_mono(char *out_buf, int *out_length, char *in_buf, int in_length);
extern int libmpq_multi_decompress(char *out_buf, int *pout_length, char *in_buf, int in_length);
static decompress_table dcmp_table[] = {
{0x08, libmpq_pkzip_decompress}, /* Decompression with Pkware Data Compression Library */
{0x02, libmpq_zlib_decompress}, /* Decompression with the "zlib" library */
{0x01, libmpq_huff_decompress}, /* Huffmann decompression */
{0x80, libmpq_wave_decompress_stereo}, /* WAVE decompression for stereo waves */
{0x40, libmpq_wave_decompress_mono} /* WAVE decompression for mono waves */
};
int libmpq_file_extract(mpq_archive *mpq_a, const int number, const char *filename);
int libmpq_file_getdata(mpq_archive *mpq_a, mpq_hash mpq_h, const int number, unsigned char *dest);
#endif /* _MPQ_H */
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