2018-04-13 18:23:45 +02:00
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/*
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filesystem.h - engine FS
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Copyright (C) 2007 Uncle Mike
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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*/
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#ifndef FILESYSTEM_H
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#define FILESYSTEM_H
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/*
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========================================================================
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PAK FILES
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The .pak files are just a linear collapse of a directory tree
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========================================================================
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*/
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// header
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#define IDPACKV1HEADER (('K'<<24)+('C'<<16)+('A'<<8)+'P') // little-endian "PACK"
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#define MAX_FILES_IN_PACK 65536 // pak
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typedef struct
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{
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int ident;
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int dirofs;
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int dirlen;
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} dpackheader_t;
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typedef struct
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{
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char name[56]; // total 64 bytes
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int filepos;
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int filelen;
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} dpackfile_t;
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/*
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========================================================================
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.WAD archive format (WhereAllData - WAD)
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List of compressed files, that can be identify only by TYPE_*
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<format>
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header: dwadinfo_t[dwadinfo_t]
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file_1: byte[dwadinfo_t[num]->disksize]
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file_2: byte[dwadinfo_t[num]->disksize]
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file_3: byte[dwadinfo_t[num]->disksize]
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...
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file_n: byte[dwadinfo_t[num]->disksize]
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infotable dlumpinfo_t[dwadinfo_t->numlumps]
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========================================================================
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*/
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#define WAD3_NAMELEN 16
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#define HINT_NAMELEN 5 // e.g. _mask, _norm
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#define MAX_FILES_IN_WAD 65535 // real limit as above <2Gb size not a lumpcount
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#include "const.h"
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typedef struct
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{
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int ident; // should be WAD3
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int numlumps; // num files
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int infotableofs; // LUT offset
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} dwadinfo_t;
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typedef struct
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{
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int filepos; // file offset in WAD
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int disksize; // compressed or uncompressed
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int size; // uncompressed
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2018-04-21 15:39:55 +02:00
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signed char type; // TYP_*
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signed char attribs; // file attribs
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2018-10-04 08:08:48 +02:00
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char pad0;
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char pad1;
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2018-04-13 18:23:45 +02:00
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char name[WAD3_NAMELEN]; // must be null terminated
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} dlumpinfo_t;
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#include "custom.h"
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/*
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========================================================================
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.HPK archive format (Hash PAK - HPK)
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List of compressed files, that can be identify only by TYPE_*
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<format>
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header: dwadinfo_t[dwadinfo_t]
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file_1: byte[dwadinfo_t[num]->disksize]
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file_2: byte[dwadinfo_t[num]->disksize]
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file_3: byte[dwadinfo_t[num]->disksize]
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...
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file_n: byte[dwadinfo_t[num]->disksize]
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infotable dlumpinfo_t[dwadinfo_t->numlumps]
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========================================================================
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*/
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#define IDHPAKHEADER (('K'<<24)+('A'<<16)+('P'<<8)+'H') // little-endian "HPAK"
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#define IDHPAK_VERSION 1
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typedef struct
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{
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int ident; // should be equal HPAK
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int version;
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int infotableofs;
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} hpak_header_t;
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typedef struct
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{
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resource_t resource;
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int filepos;
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int disksize;
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} hpak_lump_t;
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typedef struct
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{
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int count;
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hpak_lump_t *entries; // variable sized.
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} hpak_info_t;
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2019-05-24 18:13:03 +02:00
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#define ZIP_HEADER_LF (('K'<<8)+('P')+(0x03<<16)+(0x04<<24))
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#define ZIP_HEADER_SPANNED ((0x08<<24)+(0x07<<16)+('K'<<8)+'P')
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#define ZIP_HEADER_CDF ((0x02<<24)+(0x01<<16)+('K'<<8)+'P')
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#define ZIP_HEADER_EOCD ((0x06<<24)+(0x05<<16)+('K'<<8)+'P')
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#define ZIP_COMPRESSION_NO_COMPRESSION 0
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#define ZIP_COMPRESSION_DEFLATED 8
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#define ZIP_ZIP64 0xffffffff
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#pragma pack( 1 )
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typedef struct zip_header_s
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{
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2019-05-26 20:04:17 +02:00
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unsigned int signature; // little endian ZIP_HEADER
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unsigned short version; // version of pkzip need to unpack
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unsigned short flags; // flags (16 bits == 16 flags)
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unsigned short compression_flags; // compression flags (bits)
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unsigned int dos_date; // file modification time and file modification date
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unsigned int crc32; //crc32
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unsigned int compressed_size;
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unsigned int uncompressed_size;
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unsigned short filename_len;
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unsigned short extrafield_len;
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2019-05-24 18:13:03 +02:00
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} zip_header_t;
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/*
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in zip64 comp and uncompr size == 0xffffffff remeber this
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compressed and uncompress filesize stored in extra field
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*/
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typedef struct zip_header_extra_s
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{
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2019-05-26 20:04:17 +02:00
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unsigned int signature; // ZIP_HEADER_SPANNED
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unsigned int crc32;
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unsigned int compressed_size;
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unsigned int uncompressed_size;
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2019-05-24 18:13:03 +02:00
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} zip_header_extra_t;
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typedef struct zip_cdf_header_s
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{
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2019-05-26 20:04:17 +02:00
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unsigned int signature;
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unsigned short version;
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unsigned short version_need;
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unsigned short generalPurposeBitFlag;
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unsigned short flags;
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unsigned short modification_time;
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unsigned short modification_date;
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unsigned int crc32;
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unsigned int compressed_size;
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unsigned int uncompressed_size;
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unsigned short filename_len;
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unsigned short extrafield_len;
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unsigned short file_commentary_len;
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unsigned short disk_start;
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unsigned short internal_attr;
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unsigned int external_attr;
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unsigned int local_header_offset;
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2019-05-24 18:13:03 +02:00
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} zip_cdf_header_t;
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typedef struct zip_header_eocd_s
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{
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2019-05-26 20:04:17 +02:00
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unsigned short disk_number;
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unsigned short start_disk_number;
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unsigned short number_central_directory_record;
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unsigned short total_central_directory_record;
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unsigned int size_of_central_directory;
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unsigned int central_directory_offset;
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unsigned short commentary_len;
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2019-05-24 18:13:03 +02:00
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} zip_header_eocd_t;
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#pragma pack( )
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2018-10-04 09:27:14 +02:00
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#endif//FILESYSTEM_H
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