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Optimized P_CheckPosition. (#1161)

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- If the actor passed into the function has THRUACTORS, PIT_CheckThing won't be called anymore.
- Moved THRUACTORS check to just under the self clipping check in PIT_CheckThing.
This commit is contained in:
MajorCooke 2020-08-27 11:37:39 -05:00 committed by drfrag
parent cebca2d93d
commit 83f82afbc8
1 changed files with 4 additions and 3 deletions
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7
src/p_map.cpp
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@ -1310,6 +1310,9 @@ bool PIT_CheckThing(FMultiBlockThingsIterator &it, FMultiBlockThingsIterator::Ch
if (thing == tm.thing)
return true;
if ((thing->flags2 | tm.thing->flags2) & MF2_THRUACTORS)
return true;
if (!((thing->flags & (MF_SOLID | MF_SPECIAL | MF_SHOOTABLE)) || thing->flags6 & MF6_TOUCHY))
return true; // can't hit thing
@ -1317,9 +1320,6 @@ bool PIT_CheckThing(FMultiBlockThingsIterator &it, FMultiBlockThingsIterator::Ch
if (fabs(thing->X() - cres.Position.X) >= blockdist || fabs(thing->Y() - cres.Position.Y) >= blockdist)
return true;
if ((thing->flags2 | tm.thing->flags2) & MF2_THRUACTORS)
return true;
if ((tm.thing->flags6 & MF6_THRUSPECIES) && (tm.thing->GetSpecies() == thing->GetSpecies()))
return true;
@ -1799,6 +1799,7 @@ bool P_CheckPosition(AActor *thing, const DVector2 &pos, FCheckPosition &tm, boo
FMultiBlockThingsIterator it2(pcheck, pos.X, pos.Y, thing->Z(), thing->Height, thing->radius, false, newsec);
FMultiBlockThingsIterator::CheckResult tcres;
if (!(thing->flags2 & MF2_THRUACTORS))
while ((it2.Next(&tcres)))
{
if (!PIT_CheckThing(it2, tcres, it2.Box(), tm))