apps/plugins/doom/r_data.h

   1 /* Emacs style mode select   -*- C++ -*-
   2  *-----------------------------------------------------------------------------
   3  *
   4  *
   5  *  PrBoom a Doom port merged with LxDoom and LSDLDoom
   6  *  based on BOOM, a modified and improved DOOM engine
   7  *  Copyright (C) 1999 by
   8  *  id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
   9  *  Copyright (C) 1999-2000 by
  10  *  Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
  11  *
  12  *  This program is free software; you can redistribute it and/or
  13  *  modify it under the terms of the GNU General Public License
  14  *  as published by the Free Software Foundation; either version 2
  15  *  of the License, or (at your option) any later version.
  16  *
  17  *  This program is distributed in the hope that it will be useful,
  18  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *  GNU General Public License for more details.
  21  *
  22  *  You should have received a copy of the GNU General Public License
  23  *  along with this program; if not, write to the Free Software
  24  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  25  *  02111-1307, USA.
  26  *
  27  * DESCRIPTION:
  28  *  Refresh module, data I/O, caching, retrieval of graphics
  29  *  by name.
  30  *
  31  *-----------------------------------------------------------------------------*/
  32
  33
  34 #ifndef __R_DATA__
  35 #define __R_DATA__
  36
  37 #include "r_defs.h"
  38 #include "r_state.h"
  39
  40 #ifdef __GNUG__
  41 #pragma interface
  42 #endif
  43
  44 // A single patch from a texture definition, basically
  45 // a rectangular area within the texture rectangle.
  46 typedef struct
  47 {
  48    int originx, originy;  // Block origin, which has already accounted
  49    int patch;             // for the internal origin of the patch.
  50 }
  51 texpatch_t;
  52
  53 //
  54 // Texture definition.
  55 // A DOOM wall texture is a list of patches
  56 // which are to be combined in a predefined order.
  57 //
  58
  59 typedef struct
  60 {
  61    char  name[8];         // Keep name for switch changing, etc.
  62    int   next, index;     // killough 1/31/98: used in hashing algorithm
  63    // CPhipps - moved arrays with per-texture entries to elements here
  64    unsigned  widthmask;
  65    size_t    compositesize;
  66    byte     *composite;
  67    short    *columnlump;
  68    unsigned *columnofs;
  69    // CPhipps - end of additions
  70    short width, height;
  71    short patchcount;      // All the patches[patchcount] are drawn
  72    texpatch_t patches[1]; // back-to-front into the cached texture.
  73 }
  74 texture_t;
  75
  76 // Retrieve column data for span blitting.
  77 const byte*
  78 R_GetColumn
  79 ( int           tex,
  80   int           col );
  81
  82
  83 // I/O, setting up the stuff.
  84 void R_InitData (void);
  85 void R_PrecacheLevel (void);
  86
  87
  88 // Retrieval.
  89 // Floor/ceiling opaque texture tiles,
  90 // lookup by name. For animation?
  91 int R_FlatNumForName (const char* name);   // killough -- const added
  92
  93
  94 // Called by P_Ticker for switches and animations,
  95 // returns the texture number for the texture name.
  96 int R_TextureNumForName (const char *name);    // killough -- const added
  97 int R_CheckTextureNumForName (const char *name);
  98
  99 void R_InitTranMap(int);      // killough 3/6/98: translucency initialization
 100 int R_ColormapNumForName(const char *name);      // killough 4/4/98
 101
 102 extern const byte *main_tranmap, *tranmap;
 103
 104 /* Proff - Added for OpenGL - cph - const char* param */
 105 void R_SetPatchNum(patchnum_t *patchnum, const char *name);
 106
 107 #endif