Port /tg/ vis_contents openspace

code/_helpers/game.dm

@@ -286,9 +286,24 @@ var/mobs_radio_range_fired = 1					//CHOMPEdit
 
 	var/list/hear = dview(range,T,INVISIBILITY_MAXIMUM)
 	var/list/hearturfs = list()
+	
+	// Openspace visibility handling
+	// Below turfs we can see
+	for(var/turf/simulated/open/O in hear)
+		var/turf/U = GetBelow(O)
+		while(istype(U))
+			hearturfs |= U
+			U = GetBelow(U)
+
+	// Above us
+	var/above_range = range
+	var/turf/Ab = GetAbove(T)
+	while(isopenspace(Ab) && --above_range > 0)
+		hear |= dview(above_range,Ab,INVISIBILITY_MAXIMUM)
+		Ab = GetAbove(Ab)
 
 	for(var/thing in hear)
-		if(istype(thing, /obj)) //Can't use isobj() because /atom/movable returns true in that, and so lighting overlays would be included
+		if(istype(thing, /obj)) //Can't use isobj() because /atom/movable returns true in that
 			objs += thing
 			hearturfs |= get_turf(thing)
 		if(ismob(thing))

code/_helpers/turfs.dm

@@ -156,10 +156,6 @@
 		if(z_level_change) // Same goes for mobs.
 			M.onTransitZ(T.z, X.z)
 
-		if(istype(M, /mob/living))
-			var/mob/living/LM = M
-			LM.check_shadow() // Need to check their Z-shadow, which is normally done in forceMove().
-
 	if(shuttlework)
 		var/turf/simulated/shuttle/SS = T
 		SS.landed_holder.leave_turf(turftoleave)

code/_helpers/unsorted.dm

@@ -851,10 +851,6 @@ Turf and target are seperate in case you want to teleport some distance from a t
 						if(z_level_change) // Same goes for mobs.
 							M.onTransitZ(T.z, X.z)
 
-						if(istype(M, /mob/living))
-							var/mob/living/LM = M
-							LM.check_shadow() // Need to check their Z-shadow, which is normally done in forceMove().
-
 					if(shuttlework)
 						var/turf/simulated/shuttle/SS = T
 						SS.landed_holder.leave_turf()