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121 lines
3.6 KiB
C
121 lines
3.6 KiB
C
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/* Emacs style mode select -*- C++ -*-
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*-----------------------------------------------------------------------------
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*
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*
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* PrBoom: a Doom port merged with LxDoom and LSDLDoom
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* based on BOOM, a modified and improved DOOM engine
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* Copyright (C) 1999 by
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* id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
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* Copyright (C) 1999-2000 by
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* Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
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* Copyright 2005, 2006 by
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* Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* DESCRIPTION:
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* Renderer main interface.
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*
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*-----------------------------------------------------------------------------*/
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#ifndef __R_MAIN__
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#define __R_MAIN__
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#include "d_player.h"
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#include "r_data.h"
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#ifdef __GNUG__
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#pragma interface
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#endif
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//
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// POV related.
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//
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extern fixed_t viewcos;
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extern fixed_t viewsin;
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extern int viewwidth;
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extern int viewheight;
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extern int viewwindowx;
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extern int viewwindowy;
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extern int centerx;
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extern int centery;
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extern fixed_t centerxfrac;
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extern fixed_t centeryfrac;
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extern fixed_t viewheightfrac; //e6y: for correct clipping of things
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extern fixed_t projection;
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// proff 11/06/98: Added for high-res
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extern fixed_t projectiony;
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extern int validcount;
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//
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// Rendering stats
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//
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extern int rendered_visplanes, rendered_segs, rendered_vissprites;
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extern boolean rendering_stats;
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//
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// Lighting LUT.
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// Used for z-depth cuing per column/row,
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// and other lighting effects (sector ambient, flash).
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//
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// Lighting constants.
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#define LIGHTLEVELS 16
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#define LIGHTSEGSHIFT 4
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#define MAXLIGHTSCALE 48
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#define LIGHTSCALESHIFT 12
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#define MAXLIGHTZ 128
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#define LIGHTZSHIFT 20
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// killough 3/20/98: Allow colormaps to be dynamic (e.g. underwater)
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extern const lighttable_t *(*zlight)[MAXLIGHTZ];
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extern const lighttable_t *fullcolormap;
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extern int numcolormaps; // killough 4/4/98: dynamic number of maps
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extern const lighttable_t **colormaps;
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// killough 3/20/98, 4/4/98: end dynamic colormaps
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extern int extralight;
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extern const lighttable_t *fixedcolormap;
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// Number of diminishing brightness levels.
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// There a 0-31, i.e. 32 LUT in the COLORMAP lump.
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#define NUMCOLORMAPS 32
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//
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// Utility functions.
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//
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PUREFUNC int R_PointOnSide(fixed_t x, fixed_t y, const node_t *node);
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PUREFUNC int R_PointOnSegSide(fixed_t x, fixed_t y, const seg_t *line);
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angle_t R_PointToAngle(fixed_t x, fixed_t y);
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angle_t R_PointToAngle2(fixed_t x1, fixed_t y1, fixed_t x2, fixed_t y2);
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subsector_t *R_PointInSubsector(fixed_t x, fixed_t y);
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//
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// REFRESH - the actual rendering functions.
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//
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void R_RenderPlayerView(player_t *player, int eye); // Called by G_Drawer.
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void R_Init(void); // Called by startup code.
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void R_SetViewSize(int blocks); // Called by M_Responder.
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void R_ExecuteSetViewSize(void); // cph - called by D_Display to complete a view resize
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#endif
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