More darkness fixes

code/_onclick/hud/plane_master.dm

@@ -12,6 +12,15 @@
 /obj/screen/plane_master/proc/Hide(override)
 	alpha = override || hide_alpha
 
+/obj/screen/plane_master/proc/outline(_size, _color)
+	filters += filter(type = "outline", size = _size, color = _color)
+
+/obj/screen/plane_master/proc/shadow(_size, _border, _offset = 0, _x = 0, _y = 0, _color = "#04080FAA")
+	filters += filter(type = "drop_shadow", x = _x, y = _y, color = _color, size = _size, offset = _offset, border = _border)
+
+/obj/screen/plane_master/proc/clear_filters()
+	filters = list()
+
 //Why do plane masters need a backdrop sometimes? Read http://www.byond.com/forum/?post=2141928
 //Trust me, you need one. Period. If you don't think you do, you're doing something extremely wrong.
 /obj/screen/plane_master/proc/backdrop(mob/mymob)
@@ -29,7 +38,7 @@
 	blend_mode = BLEND_OVERLAY
 
 /obj/screen/plane_master/game_world/backdrop(mob/mymob)
-	filters -= FILTER_AMBIENT_OCCLUSION
+	clear_filters()
 	if(istype(mymob) && mymob.client && mymob.client.prefs && (mymob.client.prefs.toggles & AMBIENT_OCCLUSION))
 		filters += FILTER_AMBIENT_OCCLUSION
 

code/game/gamemodes/miniantags/guardian/types/ranged.dm

@@ -68,6 +68,8 @@
 			lighting_alpha = LIGHTING_PLANE_ALPHA_VISIBLE
 			msg = "You deactivate your night vision."
 
+	update_sight()
+
 	to_chat(src, "<span class='notice'>[msg]</span>")
 
 /mob/living/simple_animal/hostile/guardian/ranged/verb/Snare()