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/* Emacs style mode select -*- C++ -*-
*-----------------------------------------------------------------------------
*
*
* PrBoom a Doom port merged with LxDoom and LSDLDoom
* based on BOOM, a modified and improved DOOM engine
* Copyright (C) 1999 by
* id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
* Copyright (C) 1999-2000 by
* Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* DESCRIPTION:
* System specific interface stuff.
*
*-----------------------------------------------------------------------------*/
#ifndef __R_DRAW__
#define __R_DRAW__
#include "r_defs.h"
#ifdef __GNUG__
#pragma interface
#endif
extern lighttable_t *dc_colormap;
extern int dc_x;
extern int dc_yl;
extern int dc_yh;
extern fixed_t dc_iscale;
extern fixed_t dc_texturemid;
extern int dc_texheight; // killough
// first pixel in a column
extern const byte *dc_source;
// The span blitting interface.
// Hook in assembler or system specific BLT here.
void R_DrawColumn(void) ICODE_ATTR;
void R_DrawTLColumn(void) ICODE_ATTR; // drawing translucent textures // phares
void R_DrawFuzzColumn(void) ICODE_ATTR; // The Spectre/Invisibility effect.
// Draw with color translation tables, for player sprite rendering,
// Green/Red/Blue/Indigo shirts.
void R_DrawTranslatedColumn(void);
void R_VideoErase(unsigned ofs, int count);
extern lighttable_t *ds_colormap;
extern int ds_y;
extern int ds_x1;
extern int ds_x2;
extern fixed_t ds_xfrac;
extern fixed_t ds_yfrac;
extern fixed_t ds_xstep;
extern fixed_t ds_ystep;
// start of a 64*64 tile image
extern byte *ds_source;
extern byte playernumtotrans[MAXPLAYERS]; // CPhipps - what translation table for what player
extern byte *translationtables;
extern byte *dc_translation;
// Span blitting for rows, floor/ceiling. No Spectre effect needed.
void R_DrawSpan(void) ICODE_ATTR;
void R_InitBuffer(int width, int height);
// Initialize color translation tables, for player rendering etc.
void R_InitTranslationTables(void);
// Rendering function.
void R_FillBackScreen(void);
// If the view size is not full screen, draws a border around it.
void R_DrawViewBorder(void);
extern const byte *tranmap; // translucency filter maps 256x256 // phares
extern const byte *main_tranmap; // killough 4/11/98
#endif
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