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Make vis decay with time independent of FPS, treat p->visibility<0 like 0.

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Now, if p->visibility differs from the constant visibility, the former converges
toward the latter by three-quartering the difference each second totalclock
increment (1/60th second).
Negative player visibilities are not handled consistently throughout the
different renderers, so make it look the same as 0 (can view to infinity).

git-svn-id: https://svn.eduke32.com/eduke32@3960 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned 2013-07-18 18:08:11 +00:00
parent 66d126e9ff
commit 19b85dc5ee
1 changed files with 26 additions and 5 deletions
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31
polymer/eduke32/source/game.c
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@ -4370,7 +4370,10 @@ void G_DrawRooms(int32_t snum, int32_t smoothratio)
else
smoothratio = calc_smoothratio(totalclock, ototalclock);
g_visibility = (int32_t)(p->visibility * (numplayers > 1 ? 1.f : r_ambientlightrecip));
{
int32_t vis = p->visibility;
g_visibility = (vis <= 0) ? 0 : vis * (numplayers > 1 ? 1.f : r_ambientlightrecip);
}
CAMERA(sect) = p->cursectnum;
@ -4708,12 +4711,30 @@ void G_DrawRooms(int32_t snum, int32_t smoothratio)
G_RestoreInterpolations();
if (totalclock < lastvisinc)
{
if (klabs(p->visibility-ud.const_visibility) > 8)
p->visibility += (ud.const_visibility-p->visibility)>>2;
// Totalclock count of last step of p->visibility converging towards
// ud.const_visibility.
static int32_t lastvist;
const int32_t visdif = ud.const_visibility-p->visibility;
// Check if totalclock was cleared (e.g. restarted game).
if (totalclock < lastvist)
lastvist = 0;
// Every 2nd totalclock increment (each 1/60th second), ...
while (totalclock >= lastvist+2)
{
// ... approximately three-quarter the difference between
// p->visibility and ud.const_visibility.
const int32_t visinc = visdif>>2;
if (klabs(visinc) == 0)
break;
p->visibility += visinc;
lastvist = totalclock;
}
}
else p->visibility = ud.const_visibility;
if (r_usenewaspect)
{