gzdoom-gles/src/r_bsp.h
Christoph Oelckers 79ff9ae3ae - fixed: FNodeBuilder::ExtractMini needs to check for segs that were created from minisegs.
- made polyobject node building code more update friendly for GZDoom by making R_BuildPolyBSP public.


SVN r2500 (trunk)
2010-08-10 08:13:23 +00:00

85 lines
2.5 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 module, BSP traversal and handling.
//
//-----------------------------------------------------------------------------
#ifndef __R_BSP__
#define __R_BSP__
#include "tarray.h"
#include <stddef.h>
struct drawseg_t
{
seg_t* curline;
fixed_t light, lightstep;
fixed_t iscale, iscalestep;
short x1, x2; // Same as sx1 and sx2, but clipped to the drawseg
short sx1, sx2; // left, right of parent seg on screen
fixed_t sz1, sz2; // z for left, right of parent seg on screen
fixed_t siz1, siz2; // 1/z for left, right of parent seg on screen
fixed_t cx, cy, cdx, cdy;
fixed_t yrepeat;
BYTE silhouette; // 0=none, 1=bottom, 2=top, 3=both
BYTE bFogBoundary;
int shade;
// Pointers to lists for sprite clipping,
// all three adjusted so [x1] is first value.
ptrdiff_t sprtopclip; // type short
ptrdiff_t sprbottomclip; // type short
ptrdiff_t maskedtexturecol; // type short
ptrdiff_t swall; // type fixed_t
};
extern seg_t* curline;
extern side_t* sidedef;
extern line_t* linedef;
extern sector_t* frontsector;
extern sector_t* backsector;
extern drawseg_t *drawsegs;
extern drawseg_t *firstdrawseg;
extern drawseg_t* ds_p;
extern TArray<size_t> InterestingDrawsegs; // drawsegs that have something drawn on them
extern size_t FirstInterestingDrawseg;
extern int WindowLeft, WindowRight;
extern WORD MirrorFlags;
extern seg_t* ActiveWallMirror;
extern TArray<size_t> WallMirrors;
typedef void (*drawfunc_t) (int start, int stop);
EXTERN_CVAR (Bool, r_drawflat) // [RH] Don't texture segs?
// BSP?
void R_ClearClipSegs (short left, short right);
void R_ClearDrawSegs ();
void R_BuildPolyBSP(subsector_t *sub);
void R_RenderBSPNode (void *node);
// killough 4/13/98: fake floors/ceilings for deep water / fake ceilings:
sector_t *R_FakeFlat(sector_t *, sector_t *, int *, int *, bool);
#endif