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Minor refactor.

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This commit is contained in:
toasterbabe 2017-03-30 21:57:36 +01:00
parent b924a7d902
commit 79ec8fbf29
1 changed files with 9 additions and 11 deletions
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20
src/r_plane.c
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@ -445,20 +445,18 @@ visplane_t *R_FindPlane(fixed_t height, INT32 picnum, INT32 lightlevel,
#ifdef ESLOPE
if (slope); else // Don't mess with this right now if a slope is involved
#endif
if (plangle != 0)
{
// Add the view offset, rotated by the plane angle.
fixed_t cosinecomponent = FINECOSINE(plangle>>ANGLETOFINESHIFT);
fixed_t sinecomponent = FINESINE(plangle>>ANGLETOFINESHIFT);
fixed_t interxoff = xoff + viewx;
fixed_t interyoff = yoff + viewy;
xoff = FixedMul(interxoff,cosinecomponent)-FixedMul(interyoff,sinecomponent);
yoff = -FixedMul(interxoff,sinecomponent)-FixedMul(interyoff,cosinecomponent);
}
else
{
xoff += viewx;
yoff -= viewy;
if (plangle != 0)
{
// Add the view offset, rotated by the plane angle.
fixed_t cosinecomponent = FINECOSINE(plangle>>ANGLETOFINESHIFT);
fixed_t sinecomponent = FINESINE(plangle>>ANGLETOFINESHIFT);
fixed_t oldxoff = xoff;
xoff = FixedMul(xoff,cosinecomponent)+FixedMul(yoff,sinecomponent);
yoff = -FixedMul(oldxoff,sinecomponent)+FixedMul(yoff,cosinecomponent);
}
}
// This appears to fix the Nimbus Ruins sky bug.