fix catwalks

code/game/objects/items/stacks/tiles/tile_types.dm

@@ -561,4 +561,4 @@
 	singular_name = "catwalk floor tile"
 	desc = "Flooring that shows its contents underneath. Engineers love it!"
 	icon_state = "catwalk_tile"
-	turf_type = /turf/open/floor/plating/catwalk_floor
+	turf_type = /turf/open/floor/catwalk_floor

code/game/turfs/open/floor/catwalk_plating.dm

@@ -5,7 +5,7 @@
  * you can crowbar it to interact with the underneath stuff without destroying the tile...
  * unless you want to!
  */
-/turf/open/floor/plating/catwalk_floor
+/turf/open/floor/catwalk_floor
 	icon = 'icons/turf/floors/catwalk_plating.dmi'
 	icon_state = "catwalk_below"
 	floor_tile = /obj/item/stack/tile/catwalk
@@ -16,29 +16,35 @@
 	barefootstep = FOOTSTEP_CATWALK
 	clawfootstep = FOOTSTEP_CATWALK
 	heavyfootstep = FOOTSTEP_CATWALK
+	intact = FALSE
 	var/covered = TRUE
 
-/turf/open/floor/plating/catwalk_floor/Initialize(mapload)
+/turf/open/floor/catwalk_floor/Initialize(mapload)
 	. = ..()
 	layer = CATWALK_LAYER
 	update_icon(UPDATE_OVERLAYS)
 
-/turf/open/floor/plating/catwalk_floor/update_overlays()
+/turf/open/floor/catwalk_floor/update_overlays()
 	. = ..()
-	var/static/catwalk_overlay
+	var/static/image/catwalk_overlay
 	if(isnull(catwalk_overlay))
-		catwalk_overlay = iconstate2appearance(icon, "catwalk_above")
+		catwalk_overlay = new()
+		catwalk_overlay.icon = icon
+		catwalk_overlay.icon_state = "catwalk_above"
+		catwalk_overlay.plane = GAME_PLANE
+		catwalk_overlay.layer = CATWALK_LAYER
+		catwalk_overlay = catwalk_overlay.appearance
 	if(covered)
 		. += catwalk_overlay
 
-/turf/open/floor/plating/catwalk_floor/screwdriver_act(mob/living/user, obj/item/tool)
+/turf/open/floor/catwalk_floor/screwdriver_act(mob/living/user, obj/item/tool)
 	. = ..()
 	covered = !covered
 	user.balloon_alert(user, "[!covered ? "cover removed" : "cover added"]")
 	update_icon(UPDATE_OVERLAYS)
 
-/turf/open/floor/plating/catwalk_floor/pry_tile(obj/item/crowbar, mob/user, silent)
+/turf/open/floor/catwalk_floor/crowbar_act(mob/user, obj/item/I)
 	if(covered)
 		user.balloon_alert(user, "remove cover first!")
 		return FALSE
-	. = ..()
+	return pry_tile(I, user)