gzdoom-gles/src/r_plane.h
Christoph Oelckers a9ef73528d - removed all skybox class types from code in preparation for exporting these classes.
- moved SectorPortal struct to FLevelLocals and exported it.
2017-01-14 16:05:40 +01:00

119 lines
3.1 KiB
C++

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