plugins/vfswad/unwad.h

   1
   2 #ifndef _WAD3_H_
   3 #define _WAD3_H_
   4
   5 // WAD3 (Half-Life) Header and mip structs
   6 // WAD2 (Quake) Header and mip structs added by LordHavoc
   7
   8 #define WADBUFSIZE 32768
   9
  10 #define WAD2_TYPE_MIP   0x44
  11 #define WAD2_ID                 ('W' | 'A' << 8 | 'D' << 16 | '2' << 24)
  12 #define WAD3_TYPE_MIP   0x43
  13 #define WAD3_ID                 ('W' | 'A' << 8 | 'D' << 16 | '3' << 24)
  14 #define GET_MIP_DATA_SIZE(WIDTH, HEIGHT)                ((WIDTH * HEIGHT) + (WIDTH * HEIGHT / 4) + (WIDTH * HEIGHT / 16) + (WIDTH * HEIGHT / 64))
  15
  16 /*
  17
  18   WAD3 pseudo-structure:
  19
  20         WAD3 Header
  21         Mip section
  22                 First mip
  23                         Mip header
  24                         First mip (width * height)
  25                         Second mip (width * height / 4)
  26                         Third mip (width * height / 16)
  27                         Fourth mip (width * height / 64)
  28                         Palette size (WORD)
  29                         Palette (Palette size * 3)
  30                         Padding (WORD)
  31                 [...]
  32                 Last mip
  33         Lump table
  34                 First lump entry
  35                         Lump header
  36                 [...]
  37                 Last lump entry
  38
  39   WAD2 pseudo-structure:
  40
  41         WAD2 Header
  42         Mip section
  43                 First mip
  44                         Mip header
  45                         First mip (width * height)
  46                         Second mip (width * height / 4)
  47                         Third mip (width * height / 16)
  48                         Fourth mip (width * height / 64)
  49                 [...]
  50                 Last mip
  51         Lump table
  52                 First lump entry
  53                         Lump header
  54                 [...]
  55                 Last lump entry
  56 */
  57
  58 #define DWORD unsigned int
  59 #define BYTE unsigned char
  60 #define WORD unsigned short int
  61
  62 typedef struct
  63 {
  64         DWORD           identification;
  65         DWORD           numlumps;
  66         DWORD           infotableofs;                   // Lump table
  67 } WAD3_HEADER, *LPWAD3_HEADER;
  68
  69 typedef struct
  70 {
  71         DWORD           filepos;
  72         DWORD           disksize;
  73         DWORD           size;                                   // uncompressed
  74         BYTE            type;
  75         BYTE            compression;
  76         BYTE            pad1, pad2;
  77         char            name[16];                               // must be null terminated
  78 } WAD3_LUMP, *LPWAD3_LUMP;
  79
  80 typedef struct
  81 {
  82         char            name[16];
  83         DWORD           width, height;
  84         DWORD           offsets[4];             // four mip maps stored
  85 } WAD3_MIP, *LPWAD3_MIP;
  86
  87
  88 typedef struct wadFile_s
  89 {
  90         FILE * fin;
  91         LPWAD3_HEADER   lpHeader;
  92         LPWAD3_LUMP             lpLump;
  93         LPWAD3_MIP              lpMip;
  94
  95         DWORD FileSize;
  96   unsigned long currentfile;
  97   char *wadfilename;
  98 } wadFile_t;
  99
 100
 101 wadFile_t *wadOpen(const char* path);
 102 wadFile_t *wadCleanup(wadFile_t *wf);
 103 int wadGoToFirstFile(wadFile_t *wf);
 104 int wadGetCurrentFileInfo (     wadFile_t *wf, char *szFileName, unsigned long fileNameBufferSize, unsigned long *filesize);
 105 int wadGoToNextFile(wadFile_t *wf);
 106
 107 int wadOpenCurrentFileByNum (wadFile_t *wf, unsigned long filenumber);
 108 void wadCloseCurrentFile (wadFile_t *wf);
 109 unsigned long wadReadCurrentFile (wadFile_t *wf , char *bufferptr, unsigned long size);
 110
 111 #endif          // #ifndef _WAD3_H_