Floorlike Lattices (#10384)

code/_helpers/turfs.dm

@@ -10,7 +10,11 @@
 	return (istype(T, /turf/simulated/wall) || istype(T, /turf/unsimulated/wall))
 
 /proc/isfloor(turf/T)
-	return (istype(T, /turf/simulated/floor) || istype(T, /turf/unsimulated/floor))
+	if(locate(/obj/structure/lattice) in T)
+		return TRUE
+	else if(istype(T, /turf/simulated/floor) || istype(T, /turf/unsimulated/floor))
+		return TRUE
+	return FALSE
 
 
 //Edit by Nanako

html/changelogs/geeves-construction_stuff.yml

@@ -0,0 +1,6 @@
+author: Geeves
+
+delete-after: True
+
+changes: 
+  - tweak: "Lattices, catwalks, and grates are now considered floors, which allows you to build certain structures such as railings, on top of them."