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Xash3DArchive/engine/common/filesystem.h
2022-06-27 01:15:15 +03:00

116 lines
2.7 KiB
C

//=======================================================================
// Copyright (C) XashXT Group 2006
// All Rights Reserved
// zip32.h - zlib custom build
//=======================================================================
#ifndef FILESYSTEM_H
#define FILESYSTEM_H
/*
========================================================================
PAK FILES
The .pak files are just a linear collapse of a directory tree
========================================================================
*/
// header
#define IDPACKV1HEADER (('K'<<24)+('C'<<16)+('A'<<8)+'P') // little-endian "PACK"
#define MAX_FILES_IN_PACK 65536 // pak
typedef struct
{
int ident;
int dirofs;
int dirlen;
} dpackheader_t;
typedef struct
{
char name[56]; // total 64 bytes
int filepos;
int filelen;
} dpackfile_t;
/*
========================================================================
.WAD archive format (WhereAllData - WAD)
List of compressed files, that can be identify only by TYPE_*
<format>
header: dwadinfo_t[dwadinfo_t]
file_1: byte[dwadinfo_t[num]->disksize]
file_2: byte[dwadinfo_t[num]->disksize]
file_3: byte[dwadinfo_t[num]->disksize]
...
file_n: byte[dwadinfo_t[num]->disksize]
infotable dlumpinfo_t[dwadinfo_t->numlumps]
========================================================================
*/
#define IDWAD2HEADER (('2'<<24)+('D'<<16)+('A'<<8)+'W') // little-endian "WAD2" quake1 gfx.wad
#define IDWAD3HEADER (('3'<<24)+('D'<<16)+('A'<<8)+'W') // little-endian "WAD3" half-life wads
#define WAD3_NAMELEN 16
#define MAX_FILES_IN_WAD 8192
// hidden virtual lump types
#define TYP_ANY -1 // any type can be accepted
#define TYP_NONE 0 // unknown lump type
#include "const.h"
typedef struct
{
int ident; // should be IWAD, WAD2 or WAD3
int numlumps; // num files
int infotableofs;
} dwadinfo_t;
typedef struct
{
int filepos;
int disksize;
int size; // uncompressed
char type;
char compression; // probably not used
char pad1;
char pad2;
char name[16]; // must be null terminated
} dlumpinfo_t;
#include "custom.h"
#define IDCUSTOMHEADER (('K'<<24)+('A'<<16)+('P'<<8)+'H') // little-endian "HPAK"
#define IDCUSTOM_VERSION 1
typedef struct hpak_s
{
char *name;
resource_t HpakResource;
size_t size;
void *data;
struct hpak_s *next;
} hpak_t;
typedef struct
{
int ident; // should be equal HPAK
int version;
int seek; // infotableofs ?
} hpak_header_t;
typedef struct
{
resource_t DirectoryResource;
int seek; // filepos ?
int size;
} hpak_dir_t;
typedef struct
{
int count;
hpak_dir_t *dirs; // variable sized.
} hpak_container_t;
#endif//FILESYSTEM_H