- fixed: When offsetting the projectile for testing, P_CheckMissileSpawn must also reset the projectile's sector to its new location.

If this isn't done the portal checks may fail and create incorrect positioning info.

src/p_mobj.cpp

@@ -6745,6 +6745,7 @@ bool P_CheckMissileSpawn (AActor* th, double maxdist)
 
 	newpos = th->Vec3Offset(newpos);
 	th->SetXYZ(newpos);
+	th->Sector = P_PointInSector(th->Pos());
 
 	FCheckPosition tm(!!(th->flags2 & MF2_RIP));