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132 lines
3.2 KiB
132 lines
3.2 KiB
/* |
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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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// hidden virtual lump types |
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#define TYP_ANY -1 // any type can be accepted |
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#define TYP_NONE 0 // unknown lump type |
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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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signed char type; // TYP_* |
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signed char attribs; // file attribs |
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signed char img_type; // IMG_* |
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char pad; |
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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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#endif//FILESYSTEM_H
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