why are we building windows facing nothing but rock infront of it?

code/game/objects/effects/overlays.dm

@@ -49,6 +49,42 @@
 /obj/effect/overlay/vis
 	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 	anchored = TRUE
-	vis_flags = NONE
-	var/unused = 0 //When detected to be unused it gets set to world.time, after a while it gets removed
-	var/cache_expiration = 2 MINUTES // overlays which go unused for 2 minutes get cleaned up
+	vis_flags = VIS_INHERIT_DIR
+	///When detected to be unused it gets set to world.time, after a while it gets removed
+	var/unused = 0
+	///overlays which go unused for this amount of time get cleaned up
+	var/cache_expiration = 2 MINUTES
+
+// /obj/effect/overlay/atmos_excited
+// 	name = "excited group"
+// 	icon = null
+// 	icon_state = null
+// 	anchored = TRUE  // should only appear in vis_contents, but to be safe
+// 	appearance_flags = RESET_TRANSFORM | TILE_BOUND
+// 	invisibility = INVISIBILITY_ABSTRACT
+// 	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
+
+// 	layer = ATMOS_GROUP_LAYER
+// 	plane = ATMOS_GROUP_PLANE
+
+// /obj/effect/overlay/light_visible
+// 	name = ""
+// 	icon = 'icons/effects/light_overlays/light_32.dmi'
+// 	icon_state = "light"
+// 	layer = O_LIGHTING_VISUAL_LAYER
+// 	plane = O_LIGHTING_VISUAL_PLANE
+// 	appearance_flags = RESET_COLOR | RESET_ALPHA | RESET_TRANSFORM
+// 	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
+// 	alpha = 0
+// 	vis_flags = NONE
+
+// /obj/effect/overlay/light_cone
+// 	name = ""
+// 	icon = 'icons/effects/light_overlays/light_cone.dmi'
+// 	icon_state = "light"
+// 	layer = O_LIGHTING_VISUAL_LAYER
+// 	plane = O_LIGHTING_VISUAL_PLANE
+// 	appearance_flags = RESET_COLOR | RESET_ALPHA | RESET_TRANSFORM
+// 	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
+// 	vis_flags = NONE
+// 	alpha = 110