Replaces HasEntered() with Crossed() and reduces redundant checks on turf/Enter()

code/game/objects/structures/crates_lockers/closets.dm

@@ -284,4 +284,12 @@
 		if(welded)
 			overlays += "welded"
 	else
-		icon_state = icon_opened
+		icon_state = icon_opened
+
+// Objects that try to exit a locker by stepping were doing so successfully,
+// and due to an oversight in turf/Enter() were going through walls.  That
+// should be independently resolved, but this is also an interesting twist.
+/obj/structure/closet/Exit(atom/movable/AM)
+	open()
+	if(AM.loc == src) return 0
+	return 1

code/game/objects/structures/watercloset.dm

@@ -189,7 +189,7 @@
 				del(mymist)
 				ismist = 0
 
-/obj/machinery/shower/HasEntered(atom/movable/O)
+/obj/machinery/shower/Crossed(atom/movable/O)
 	..()
 	wash(O)
 	if(ismob(O))