woo yeah yeah woo

code/__DEFINES/is_helpers.dm

@@ -17,7 +17,7 @@ GLOBAL_LIST_INIT(turfs_without_ground, typecacheof(list(
 	/turf/open/chasm,
 	/turf/open/lava,
 	/turf/open/water,
-	/turf/open/openspace
+	/turf/open/transparent/openspace
 	)))
 
 #define isgroundlessturf(A) (is_type_in_typecache(A, GLOB.turfs_without_ground))
@@ -44,6 +44,8 @@ GLOBAL_LIST_INIT(turfs_without_ground, typecacheof(list(
 
 #define isplatingturf(A) (istype(A, /turf/open/floor/plating))
 
+#define istransparentturf(A) (istype(A, /turf/open/transparent))
+
 //Mobs
 #define isliving(A) (istype(A, /mob/living))