Optimizes stuffs

code/modules/lighting/lighting_process.dm

@@ -1,3 +1,4 @@
+
 /datum/controller/process/lighting/setup()
 	name = "lighting"
 	schedule_interval = LIGHTING_INTERVAL
@@ -7,17 +8,21 @@
 /datum/controller/process/lighting/doWork()
 	for(var/datum/light_source/L in lighting_update_lights)
 		if(L.needs_update)
-			if(L.destroyed)
+			if(L.destroyed || L.check() || L.force_update)
 				L.remove_lum()
-			else if(L.check() || L.force_update)
-				L.remove_lum()
-				L.apply_lum()
+				if(!L.destroyed) L.apply_lum()
 				L.force_update = 0
 			L.needs_update = 0
+
+		scheck()
+
 	lighting_update_lights.Cut()
 
 	for(var/atom/movable/lighting_overlay/O in lighting_update_overlays)
 		if(O.needs_update)
 			O.update_overlay()
 			O.needs_update = 0
+
+		scheck()
+
 	lighting_update_overlays.Cut()