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https://github.com/ZDoom/qzdoom-gpl.git
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116 lines
3.1 KiB
C++
116 lines
3.1 KiB
C++
// Emacs style mode select -*- C++ -*-
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//-----------------------------------------------------------------------------
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//
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// $Id:$
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//
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// Copyright (C) 1993-1996 by id Software, Inc.
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//
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// This source is available for distribution and/or modification
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// only under the terms of the DOOM Source Code License as
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// published by id Software. All rights reserved.
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//
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// The source 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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// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
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// for more details.
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//
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// DESCRIPTION:
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// Refresh, visplane stuff (floor, ceilings).
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//
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//-----------------------------------------------------------------------------
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#ifndef __R_PLANE_H__
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#define __R_PLANE_H__
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#include <stddef.h>
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class ASkyViewpoint;
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//
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// The infamous visplane
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//
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struct visplane_s
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{
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struct visplane_s *next; // Next visplane in hash chain -- killough
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FDynamicColormap *colormap; // [RH] Support multiple colormaps
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FSectorPortal *portal; // [RH] Support sky boxes
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FTransform xform;
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secplane_t height;
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FTextureID picnum;
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int lightlevel;
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int left, right;
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int sky;
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// [RH] This set of variables copies information from the time when the
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// visplane is created. They are only used by stacks so that you can
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// have stacked sectors inside a skybox. If the visplane is not for a
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// stack, then they are unused.
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int extralight;
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double visibility;
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DVector3 viewpos;
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DAngle viewangle;
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fixed_t Alpha;
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bool Additive;
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// kg3D - keep track of mirror and skybox owner
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int CurrentSkybox;
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int CurrentPortalUniq; // mirror counter, counts all of them
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int MirrorFlags; // this is not related to CurrentMirror
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unsigned short *bottom; // [RH] bottom and top arrays are dynamically
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unsigned short pad; // allocated immediately after the
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unsigned short top[]; // visplane.
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};
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typedef struct visplane_s visplane_t;
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// Visplane related.
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extern ptrdiff_t lastopening; // type short
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typedef void (*planefunction_t) (int top, int bottom);
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extern planefunction_t floorfunc;
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extern planefunction_t ceilingfunc_t;
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extern short floorclip[MAXWIDTH];
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extern short ceilingclip[MAXWIDTH];
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extern float yslope[MAXHEIGHT];
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void R_InitPlanes ();
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void R_DeinitPlanes ();
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void R_ClearPlanes (bool fullclear);
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int R_DrawPlanes ();
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void R_DrawPortals ();
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void R_DrawSkyPlane (visplane_t *pl);
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void R_DrawNormalPlane (visplane_t *pl, double xscale, double yscale, fixed_t alpha, bool additive, bool masked);
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void R_DrawTiltedPlane (visplane_t *pl, double xscale, double yscale, fixed_t alpha, bool additive, bool masked);
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void R_MapVisPlane (visplane_t *pl, void (*mapfunc)(int y, int x1));
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visplane_t *R_FindPlane
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( const secplane_t &height,
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FTextureID picnum,
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int lightlevel,
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double alpha,
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bool additive,
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const FTransform &xform,
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int sky,
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FSectorPortal *portal);
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visplane_t *R_CheckPlane (visplane_t *pl, int start, int stop);
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// [RH] Added for multires support
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bool R_PlaneInitData (void);
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extern visplane_t* floorplane;
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extern visplane_t* ceilingplane;
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#endif // __R_PLANE_H__
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