qzdoom/src/swrenderer/scene/r_draw_segment.h
2016-12-30 05:35:25 +01:00

46 lines
1.4 KiB
C++

#pragma once
namespace swrenderer
{
struct drawseg_t
{
seg_t *curline;
float light, lightstep;
float 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
float sz1, sz2; // z for left, right of parent seg on screen
float siz1, siz2; // 1/z for left, right of parent seg on screen
float cx, cy, cdx, cdy;
float yscale;
uint8_t silhouette; // 0=none, 1=bottom, 2=top, 3=both
uint8_t bFogBoundary;
uint8_t bFakeBoundary; // for fake walls
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 float
ptrdiff_t bkup; // sprtopclip backup, for mid and fake textures
FWallTmapVals tmapvals;
int fake; // ident fake drawseg, don't draw and clip sprites backups
int CurrentPortalUniq; // [ZZ] to identify the portal that this drawseg is in. used for sprite clipping.
};
extern drawseg_t *firstdrawseg;
extern drawseg_t *ds_p;
extern drawseg_t *drawsegs;
extern TArray<size_t> InterestingDrawsegs; // drawsegs that have something drawn on them
extern size_t FirstInterestingDrawseg;
void R_ClearDrawSegs();
void R_FreeDrawSegs();
drawseg_t *R_AddDrawSegment();
}