Pointing Filters (#9118)

Pointing at something now highlights it instead of making an arrow. Pointing at turfs unaffected.

code/modules/mob/living/living.dm

@@ -10,16 +10,29 @@
 
 //mob verbs are faster than object verbs. See above.
 /mob/living/pointed(atom/A as mob|obj|turf in view())
+	if(!isturf(src.loc) || !(A in range(world.view, get_turf(src))))
+		return FALSE
 	if(src.stat || !src.canmove || src.restrained())
-		return 0
+		return FALSE
 	if(src.status_flags & FAKEDEATH)
-		return 0
-	if(!..())
-		return 0
+		return FALSE
 
-	src.visible_message("<b>[src]</b> points to [A].")
-	return 1
+	face_atom(A)
+	if(isturf(A))
+		if(pointing_effect)
+			clear_point()
+		pointing_effect = new /obj/effect/decal/point(A)
+		pointing_effect.invisibility = invisibility
+		addtimer(CALLBACK(src, .proc/clear_point), 20)
+	else
+		var/pointglow = filter(type = "drop_shadow", x = 0, y = -1, offset = 2, size = 1, color = "#F00")
+		LAZYADD(A.filters, pointglow)
+		addtimer(CALLBACK(src, .proc/remove_filter, A, pointglow), 20)
+	visible_message("<b>\The [src]</b> points to \the [A].")
+	return TRUE
 
+/mob/living/proc/remove_filter(var/atom/A, var/filter_to_remove)
+	LAZYREMOVE(A.filters, filter_to_remove)
 
 /*one proc, four uses
 swapping: if it's 1, the mobs are trying to switch, if 0, non-passive is pushing passive