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bd78c34b99
* Palette remaps. * Branding. TODO: * Doesn't work in GL. (Mostly.) I have SOME ideas on how to tackle this, but... * Transmaps are broken in Encore for some reason. * I tried to make in-level colormaps shimmy over, but it didn't quite work, so I commented it out and only semi-fixed it.
143 lines
3.8 KiB
C
143 lines
3.8 KiB
C
// SONIC ROBO BLAST 2
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//-----------------------------------------------------------------------------
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// Copyright (C) 1993-1996 by id Software, Inc.
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// Copyright (C) 1998-2000 by DooM Legacy Team.
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// Copyright (C) 1999-2016 by Sonic Team Junior.
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//
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// This program is free software distributed under the
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// terms of the GNU General Public License, version 2.
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// See the 'LICENSE' file for more details.
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//-----------------------------------------------------------------------------
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/// \file r_plane.h
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/// \brief Refresh, visplane stuff (floor, ceilings)
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#ifndef __R_PLANE__
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#define __R_PLANE__
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#include "screen.h" // needs MAXVIDWIDTH/MAXVIDHEIGHT
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#include "r_data.h"
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#include "p_polyobj.h"
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//
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// Now what is a visplane, anyway?
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// Simple: kinda floor/ceiling polygon optimised for SRB2 rendering.
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// 7764 bytes! (for win32, anyway)
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//
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typedef struct visplane_s
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{
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struct visplane_s *next;
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fixed_t height;
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fixed_t viewx, viewy, viewz;
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angle_t viewangle;
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angle_t plangle;
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INT32 picnum;
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INT32 lightlevel;
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INT32 minx, maxx;
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// colormaps per sector
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extracolormap_t *extra_colormap;
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// leave pads for [minx-1]/[maxx+1]
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// words sucks .. should get rid of that.. but eats memory
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// THIS IS UNSIGNED! VERY IMPORTANT!!
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UINT16 pad1;
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UINT16 top[MAXVIDWIDTH];
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UINT16 pad2;
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UINT16 pad3;
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UINT16 bottom[MAXVIDWIDTH];
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UINT16 pad4;
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INT32 high, low; // R_PlaneBounds should set these.
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fixed_t xoffs, yoffs; // Scrolling flats.
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// SoM: frontscale should be stored in the first seg of the subsector
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// where the planes themselves are stored. I'm doing this now because
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// the old way caused trouble with the drawseg array was re-sized.
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INT32 scaleseg;
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struct ffloor_s *ffloor;
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#ifdef POLYOBJECTS_PLANES
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polyobj_t *polyobj;
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#endif
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#ifdef ESLOPE
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pslope_t *slope;
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#endif
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boolean noencore;
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} visplane_t;
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extern visplane_t *floorplane;
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extern visplane_t *ceilingplane;
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// Visplane related.
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extern INT16 *lastopening, *openings;
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extern size_t maxopenings;
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extern INT16 floorclip[MAXVIDWIDTH], ceilingclip[MAXVIDWIDTH];
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extern fixed_t frontscale[MAXVIDWIDTH], yslopetab[MAXVIDHEIGHT*4];
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extern fixed_t cachedheight[MAXVIDHEIGHT];
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extern fixed_t cacheddistance[MAXVIDHEIGHT];
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extern fixed_t cachedxstep[MAXVIDHEIGHT];
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extern fixed_t cachedystep[MAXVIDHEIGHT];
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extern fixed_t basexscale, baseyscale;
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extern lighttable_t **planezlight;
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extern fixed_t *yslope;
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extern fixed_t distscale[MAXVIDWIDTH];
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void R_InitPlanes(void);
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void R_PortalStoreClipValues(INT32 start, INT32 end, INT16 *ceil, INT16 *floor, fixed_t *scale);
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void R_PortalRestoreClipValues(INT32 start, INT32 end, INT16 *ceil, INT16 *floor, fixed_t *scale);
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void R_ClearPlanes(void);
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void R_MapPlane(INT32 y, INT32 x1, INT32 x2);
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void R_MakeSpans(INT32 x, INT32 t1, INT32 b1, INT32 t2, INT32 b2);
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void R_DrawPlanes(void);
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visplane_t *R_FindPlane(fixed_t height, INT32 picnum, INT32 lightlevel, fixed_t xoff, fixed_t yoff, angle_t plangle,
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extracolormap_t *planecolormap, ffloor_t *ffloor
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#ifdef POLYOBJECTS_PLANES
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, polyobj_t *polyobj
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#endif
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#ifdef ESLOPE
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, pslope_t *slope
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#endif
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, boolean noencore);
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visplane_t *R_CheckPlane(visplane_t *pl, INT32 start, INT32 stop);
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void R_ExpandPlane(visplane_t *pl, INT32 start, INT32 stop);
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void R_PlaneBounds(visplane_t *plane);
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// Draws a single visplane.
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void R_DrawSinglePlane(visplane_t *pl);
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typedef struct planemgr_s
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{
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visplane_t *plane;
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fixed_t height;
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fixed_t f_pos; // F for Front sector
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fixed_t b_pos; // B for Back sector
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fixed_t f_frac, f_step;
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fixed_t b_frac, b_step;
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INT16 f_clip[MAXVIDWIDTH];
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INT16 c_clip[MAXVIDWIDTH];
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#ifdef ESLOPE
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// For slope rendering; the height at the other end
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fixed_t f_pos_slope;
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fixed_t b_pos_slope;
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struct pslope_s *slope;
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#endif
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struct ffloor_s *ffloor;
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#ifdef POLYOBJECTS_PLANES
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polyobj_t *polyobj;
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#endif
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} planemgr_t;
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extern planemgr_t ffloor[MAXFFLOORS];
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extern INT32 numffloors;
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#endif
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