Merge pull request #9841 from Heroman3003/ceilingfix

Hopefully fixes ceiling blocker for good.

code/modules/multiz/movement.dm

@@ -105,6 +105,13 @@
 				to_chat(src, "<span class='warning'>Gravity stops you from moving upward.</span>")
 				return 0
 
+	//VOREStation Addition Start
+	for(var/atom/A in start)
+		if(!A.CheckExit(src, destination))
+			to_chat(src, "<span class='warning'>\The [A] blocks you.</span>")
+			return 0
+	//VOREStation Addition End
+
 	for(var/atom/A in destination)
 		if(!A.CanPass(src, start, 1.5, 0))
 			to_chat(src, "<span class='warning'>\The [A] blocks you.</span>")

maps/tether/tether-04-transit.dmm

@@ -259,7 +259,6 @@
 	},
 /obj/structure/cable,
 /obj/effect/ceiling,
-/obj/effect/ceiling,
 /turf/simulated/floor/plating,
 /area/maintenance/tether_midpoint)
 "y" = (
@@ -280,7 +279,6 @@
 /turf/simulated/floor/plating,
 /area/maintenance/tether_midpoint)
 "A" = (
-/obj/effect/ceiling,
 /obj/structure/disposalpipe/up{
 	dir = 8
 	},
@@ -293,19 +291,19 @@
 "C" = (
 /obj/structure/disposalpipe/up,
 /obj/effect/ceiling,
-/obj/effect/ceiling,
 /turf/simulated/floor/plating,
 /area/maintenance/tether_midpoint)
 "D" = (
 /obj/structure/disposalpipe/down{
 	dir = 1
 	},
-/obj/effect/ceiling,
 /obj/machinery/light/small{
 	dir = 4;
 	pixel_y = 0
 	},
-/turf/simulated/floor/plating,
+/obj/structure/lattice,
+/obj/machinery/door/firedoor/glass,
+/turf/simulated/open,
 /area/maintenance/tether_midpoint)
 "E" = (
 /obj/structure/cable{