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455: Fog flag fix for fading

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mazmazz 2018-09-13 12:18:10 -04:00
parent 21506873be
commit 761150b12d
1 changed files with 1 additions and 3 deletions
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4
src/p_spec.c
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@ -7577,9 +7577,7 @@ void T_FadeColormap(fadecolormap_t *d)
fadestart = APPLYFADE(d->dest_exc->fadestart, d->source_exc->fadestart, d->sector->extra_colormap->fadestart);
fadeend = APPLYFADE(d->dest_exc->fadeend, d->source_exc->fadeend, d->sector->extra_colormap->fadeend);
// fog: essentially we're switching from source_exc->fog to dest_exc->fog with a delta
// of 1 or -1, and hoping the factor rounds appropriately in the timing.
fog = APPLYFADE(d->dest_exc->fog, d->source_exc->fog, d->sector->extra_colormap->fog);
fog = abs(factor) > FRACUNIT/2 ? d->dest_exc->fog : d->source_exc->fog; // set new fog flag halfway through fade
#undef APPLYFADE