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Calculate slope vectors per tilted ripple span

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This commit is contained in:
Eidolon 2023-10-15 19:32:18 -05:00
parent 89f8c7d15b
commit 33f959628e
1 changed files with 8 additions and 0 deletions
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8
src/r_plane.cpp
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@ -126,6 +126,8 @@ static void R_UpdatePlaneRipple(drawspandata_t* ds)
ds->planeripple.offset = (leveltime * 140);
}
static void R_SetSlopePlaneVectors(drawspandata_t* ds, visplane_t *pl, INT32 y, fixed_t xoff, fixed_t yoff);
static void R_MapPlane(drawspandata_t *ds, spandrawfunc_t *spanfunc, INT32 y, INT32 x1, INT32 x2, boolean allow_parallel)
{
ZoneScoped;
@ -231,6 +233,9 @@ static void R_MapTiltedPlane(drawspandata_t *ds, void(*spanfunc)(drawspandata_t*
R_SetTiltedSpan(ds, std::clamp(y, 0, viewheight));
R_CalculatePlaneRipple(ds, ds->currentplane->viewangle + ds->currentplane->plangle);
R_SetSlopePlaneVectors(ds, ds->currentplane, x1, (ds->xoffs + ds->planeripple.xfrac), (ds->yoffs + ds->planeripple.yfrac));
ds->bgofs >>= FRACBITS;
if ((y + ds->bgofs) >= viewheight)
@ -567,6 +572,7 @@ void R_ExpandPlane(visplane_t *pl, INT32 start, INT32 stop)
static void R_MakeSpans(void (*mapfunc)(drawspandata_t* ds, void(*spanfunc)(drawspandata_t*), INT32, INT32, INT32, boolean), spandrawfunc_t* spanfunc, drawspandata_t* ds, INT32 x, INT32 t1, INT32 b1, INT32 t2, INT32 b2, boolean allow_parallel)
{
ZoneScoped;
// Alam: from r_splats's R_RasterizeFloorSplat
if (t1 >= vid.height) t1 = vid.height-1;
if (b1 >= vid.height) b1 = vid.height-1;
@ -941,6 +947,8 @@ void R_DrawSinglePlane(drawspandata_t *ds, visplane_t *pl, boolean allow_paralle
ZoneScoped;
R_UpdatePlaneRipple(ds);
// sky flat
if (pl->picnum == skyflatnum)
{