Merge branch 'master' into upstream-merge-37486

code/game/turfs/open.dm

@@ -1,4 +1,5 @@
 /turf/open
+	plane = FLOOR_PLANE
 	var/slowdown = 0 //negative for faster, positive for slower
 
 	var/mutable_appearance/wet_overlay

code/game/turfs/simulated/floor/reinf_floor.dm

@@ -117,9 +117,8 @@
 
 /turf/open/floor/engine/cult
 	name = "engraved floor"
-	desc = "The air hangs heavy over this sinister flooring."
+	desc = "The air smells strangely over this sinister flooring."
 	icon_state = "plating"
-	CanAtmosPass = ATMOS_PASS_NO
 	floor_tile = null
 	var/obj/effect/clockwork/overlay/floor/bloodcult/realappearance
 

code/game/turfs/turf.dm

@@ -343,7 +343,7 @@
 
 	for(var/V in contents)
 		var/atom/A = V
-		if(A.level >= affecting_level)
+		if(!QDELETED(A) && A.level >= affecting_level)
 			if(ismovableatom(A))
 				var/atom/movable/AM = A
 				if(!AM.ex_check(explosion_id))