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Diffstat (limited to 'src/r_main.h')
| -rw-r--r-- | src/r_main.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/r_main.h b/src/r_main.h new file mode 100644 index 00000000..9015094b --- /dev/null +++ b/src/r_main.h @@ -0,0 +1,175 @@ +// Emacs style mode select -*- C++ -*- +//----------------------------------------------------------------------------- +// +// $Id: r_main.h 4 2005-07-23 16:19:41Z fraggle $ +// +// Copyright (C) 1993-1996 by id Software, Inc. +// +// This source is available for distribution and/or modification +// only under the terms of the DOOM Source Code License as +// published by id Software. All rights reserved. +// +// The source is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License +// for more details. +// +// DESCRIPTION: +// System specific interface stuff. +// +//----------------------------------------------------------------------------- + + +#ifndef __R_MAIN__ +#define __R_MAIN__ + +#include "d_player.h" +#include "r_data.h" + + +#ifdef __GNUG__ +#pragma interface +#endif + + +// +// POV related. +// +extern fixed_t viewcos; +extern fixed_t viewsin; + +extern int viewwidth; +extern int viewheight; +extern int viewwindowx; +extern int viewwindowy; + + + +extern int centerx; +extern int centery; + +extern fixed_t centerxfrac; +extern fixed_t centeryfrac; +extern fixed_t projection; + +extern int validcount; + +extern int linecount; +extern int loopcount; + + +// +// Lighting LUT. +// Used for z-depth cuing per column/row, +// and other lighting effects (sector ambient, flash). +// + +// Lighting constants. +// Now why not 32 levels here? +#define LIGHTLEVELS 16 +#define LIGHTSEGSHIFT 4 + +#define MAXLIGHTSCALE 48 +#define LIGHTSCALESHIFT 12 +#define MAXLIGHTZ 128 +#define LIGHTZSHIFT 20 + +extern lighttable_t* scalelight[LIGHTLEVELS][MAXLIGHTSCALE]; +extern lighttable_t* scalelightfixed[MAXLIGHTSCALE]; +extern lighttable_t* zlight[LIGHTLEVELS][MAXLIGHTZ]; + +extern int extralight; +extern lighttable_t* fixedcolormap; + + +// Number of diminishing brightness levels. +// There a 0-31, i.e. 32 LUT in the COLORMAP lump. +#define NUMCOLORMAPS 32 + + +// Blocky/low detail mode. +//B remove this? +// 0 = high, 1 = low +extern int detailshift; + + +// +// Function pointers to switch refresh/drawing functions. +// Used to select shadow mode etc. +// +extern void (*colfunc) (void); +extern void (*basecolfunc) (void); +extern void (*fuzzcolfunc) (void); +// No shadow effects on floors. +extern void (*spanfunc) (void); + + +// +// Utility functions. +int +R_PointOnSide +( fixed_t x, + fixed_t y, + node_t* node ); + +int +R_PointOnSegSide +( fixed_t x, + fixed_t y, + seg_t* line ); + +angle_t +R_PointToAngle +( fixed_t x, + fixed_t y ); + +angle_t +R_PointToAngle2 +( fixed_t x1, + fixed_t y1, + fixed_t x2, + fixed_t y2 ); + +fixed_t +R_PointToDist +( fixed_t x, + fixed_t y ); + + +fixed_t R_ScaleFromGlobalAngle (angle_t visangle); + +subsector_t* +R_PointInSubsector +( fixed_t x, + fixed_t y ); + +void +R_AddPointToBox +( int x, + int y, + fixed_t* box ); + + + +// +// REFRESH - the actual rendering functions. +// + +// Called by G_Drawer. +void R_RenderPlayerView (player_t *player); + +// Called by startup code. +void R_Init (void); + +// Called by M_Responder. +void R_SetViewSize (int blocks, int detail); + +#endif +//----------------------------------------------------------------------------- +// +// $Log$ +// Revision 1.1 2005/07/23 16:19:58 fraggle +// Initial revision +// +// +//----------------------------------------------------------------------------- |