/*****************************************************************************/
/* D2K: A Doom Source Port for the 21st Century                              */
/*                                                                           */
/* Copyright (C) 2014: See COPYRIGHT file                                    */
/*                                                                           */
/* This file is part of D2K.                                                 */
/*                                                                           */
/* D2K is free software: you can redistribute it and/or modify it under the  */
/* terms of the GNU General Public License as published by the Free Software */
/* Foundation, either version 2 of the License, or (at your option) any      */
/* later version.                                                            */
/*                                                                           */
/* D2K is distributed in the hope that it will be useful, but WITHOUT ANY    */
/* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS */
/* FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more    */
/* details.                                                                  */
/*                                                                           */
/* You should have received a copy of the GNU General Public License along   */
/* with D2K.  If not, see <http://www.gnu.org/licenses/>.                    */
/*                                                                           */
/*****************************************************************************/


#ifndef R_DATA_H__
#define R_DATA_H__

struct patchnum_s;
typedef struct patchnum_s patchnum_t;

struct rpatch_s;
typedef struct rpatch_s rpatch_t;

// A single patch from a texture definition, basically
// a rectangular area within the texture rectangle.
typedef struct {
  int originx, originy;  // Block origin, which has already accounted
  int patch;             // for the internal origin of the patch.
} texpatch_t;

//
// Texture definition.
// A DOOM wall texture is a list of patches
// which are to be combined in a predefined order.
//

typedef struct
{
  char  name[8];         // Keep name for switch changing, etc.
  int   next, index;     // killough 1/31/98: used in hashing algorithm
  // CPhipps - moved arrays with per-texture entries to elements here
  unsigned  widthmask;
  // CPhipps - end of additions
  short width, height;
  short patchcount;      // All the patches[patchcount] are drawn
  texpatch_t patches[1]; // back-to-front into the cached texture.
} texture_t;

extern int numtextures;
extern texture_t **textures;


const unsigned char* R_GetTextureColumn(const rpatch_t *texpatch, int col);


// I/O, setting up the stuff.
void R_InitData (void);
void R_PrecacheLevel (void);


// Retrieval.
// Floor/ceiling opaque texture tiles,
// lookup by name. For animation?
int R_FlatNumForName (const char* name);   // killough -- const added


// R_*TextureNumForName returns the texture number for the texture name, or NO_TEXTURE if 
//  there is no texture (i.e. "-") specified.
/* cph 2006/07/23 - defined value for no-texture marker (texture "-" in the WAD file) */
#define NO_TEXTURE 0
int PUREFUNC R_TextureNumForName (const char *name);    // killough -- const added; cph - now PUREFUNC
int PUREFUNC R_SafeTextureNumForName (const char *name, int snum);
int PUREFUNC R_CheckTextureNumForName (const char *name);

void R_InitTranMap(int);      // killough 3/6/98: translucency initialization
int R_ColormapNumForName(const char *name);      // killough 4/4/98

extern const unsigned char *main_tranmap, *tranmap;

/* Proff - Added for OpenGL - cph - const char* param */
void R_SetPatchNum(patchnum_t *patchnum, const char *name);
// e6y: Added for "GRNROCK" mostly
void R_SetFloorNum(patchnum_t *patchnum, const char *name);
int R_SetSpriteByIndex(patchnum_t *patchnum, spritenum_t item);
int R_SetSpriteByName(patchnum_t *patchnum, const char *name);
int R_SetPatchByName(patchnum_t *patchnum, const char *name);

#endif

/* vi: set et ts=2 sw=2: */

