Merge pull request #86 from Phantastic-Swan/master

Fixes mice being able to bite wires through catwalks

code/modules/mob/living/simple_animal/friendly/mouse.dm

@@ -79,6 +79,12 @@
 
 	if(prob(chew_probability))
 		var/turf/open/floor/F = get_turf(src)
+		// GS13 - EDIT
+		if(istype(F, /turf/open/floor/catwalk_floor))
+			var/turf/open/floor/catwalk_floor/catwalk = F
+			if(catwalk.covered)
+				return
+		// GS13 - END EDIT
 		if(istype(F) && !F.intact)
 			var/obj/structure/cable/C = locate() in F
 			if(C && prob(15))