plugins/vfswad/unwad.h

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