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Additional TROR patch from Nuke

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git-svn-id: https://svn.eduke32.com/eduke32@7452 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx 2019-03-30 19:35:34 +00:00 committed by Christoph Oelckers
parent 66734e34bf
commit c8bd436cf8
1 changed files with 21 additions and 15 deletions
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36
source/build/src/polymost.cpp
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@ -3231,9 +3231,6 @@ static void yax_polymost_domost(const int yaxbunch, float x0, float y0, float x1
y1 += DOMOST_OFFSET; //necessary?
}
x0 -= DOMOST_OFFSET;
x1 += DOMOST_OFFSET;
// Test if span is outside screen bounds
if (x1 < xbl || x0 > xbr)
{
@ -3268,29 +3265,29 @@ static void yax_polymost_domost(const int yaxbunch, float x0, float y0, float x1
if ((dm0.x >= n1.x) || (n0.x >= dm1.x) || (yax_vsp[yaxbunch][i].ctag <= 0)) continue;
float const dx = n1.x-n0.x;
float const cy = yax_vsp[yaxbunch][i].cy[0],
cv = yax_vsp[yaxbunch][i].cy[1]-cy;
double const dx = double(n1.x)-double(n0.x);
double const cy = yax_vsp[yaxbunch][i].cy[0],
cv = yax_vsp[yaxbunch][i].cy[1]-cy;
int scnt = 0;
//Test if left edge requires split (dm0.x,dm0.y) (nx0,cy(0)),<dx,cv(0)>
if ((dm0.x > n0.x) && (dm0.x < n1.x))
{
float const t = (dm0.x-n0.x)*cv - (dm0.y-cy)*dx;
if (((!dir) && (t < 0.f)) || ((dir) && (t > 0.f)))
double const t = (dm0.x-n0.x)*cv - (dm0.y-cy)*dx;
if (((!dir) && (t <= 0.0)) || ((dir) && (t >= 0.0)))
{ spx[scnt] = dm0.x; spt[scnt] = -1; scnt++; }
}
//Test for intersection on umost (0) and dmost (1)
float const d = ((dm0.y - dm1.y) * dx) - ((dm0.x - dm1.x) * cv);
double const d = ((double(dm0.y) - double(dm1.y)) * dx) - ((double(dm0.x) - double(dm1.x)) * cv);
float const n = ((dm0.y - cy) * dx) - ((dm0.x - n0.x) * cv);
double const n = ((double(dm0.y) - cy) * dx) - ((double(dm0.x) - double(n0.x)) * cv);
float const fnx = dm0.x + ((n / d) * (dm1.x - dm0.x));
double const fnx = double(dm0.x) + ((n / d) * (double(dm1.x) - double(dm0.x)));
if ((Bfabsf(d) > Bfabsf(n)) && (d * n >= 0.f) && (fnx > n0.x) && (fnx < n1.x))
if ((fabs(d) > fabs(n)) && (d * n >= 0.0) && (fnx > n0.x) && (fnx < n1.x))
spx[scnt] = fnx, spt[scnt++] = 0;
//Nice hack to avoid full sort later :)
@ -3303,8 +3300,8 @@ static void yax_polymost_domost(const int yaxbunch, float x0, float y0, float x1
//Test if right edge requires split
if ((dm1.x > n0.x) && (dm1.x < n1.x))
{
float const t = (dm1.x-n0.x)*cv - (dm1.y-cy)*dx;
if (((!dir) && (t < 0.f)) || ((dir) && (t > 0.f)))
double const t = (double(dm1.x)- double(n0.x))*cv - (double(dm1.y)- double(cy))*dx;
if (((!dir) && (t <= 0.0)) || ((dir) && (t >= 0.0)))
{ spx[scnt] = dm1.x; spt[scnt] = -1; scnt++; }
}
@ -4843,7 +4840,16 @@ static void polymost_drawalls(int32_t const bunch)
//if ((usehightile && hicfindsubst(globalpicnum, globalpal, hictinting[globalpal].f & HICTINT_ALWAYSUSEART)))
calc_and_apply_fog(fogshade(wal->shade, wal->pal), sec->visibility, get_floor_fogpal(sec));
pow2xsplit = 1; polymost_domost(x0, cy0, x1, cy1, cy0, fy0, cy1, fy1);
pow2xsplit = 1;
#ifdef YAX_ENABLE
// TODO: slopes?
if (globalposz > sec->floorz && yax_isislandwall(wallnum, YAX_FLOOR))
polymost_domost(x1, fy1, x0, fy0, cy1, fy1, cy0, fy0);
else
#endif
polymost_domost(x0, cy0, x1, cy1, cy0, fy0, cy1, fy1);
} while (0);
}