Merge pull request #10382 from Mloc/freezyfixes

fixes

code/modules/lighting/lighting_atom.dm

@@ -46,21 +46,13 @@
 		T.reconsider_lights()
 	return ..()
 
-/atom/movable/Move()
-	var/turf/old_loc = loc
+/atom/Entered(atom/movable/obj, atom/prev_loc)
 	. = ..()
 
-	if(loc != old_loc)
-		for(var/datum/light_source/L in light_sources)
+	if(obj && prev_loc != src)
+		for(var/datum/light_source/L in obj.light_sources)
 			L.source_atom.update_light()
 
-	var/turf/new_loc = loc
-	if(istype(old_loc) && opacity)
-		old_loc.reconsider_lights()
-
-	if(istype(new_loc) && opacity)
-		new_loc.reconsider_lights()
-
 /atom/proc/set_opacity(new_opacity)
 	var/old_opacity = opacity
 	opacity = new_opacity

code/modules/lighting/lighting_overlay.dm

@@ -98,3 +98,5 @@
 	var/turf/T = loc
 	if(istype(T))
 		T.lighting_overlay = null
+	
+	..()

code/modules/lighting/lighting_turf.dm

@@ -16,3 +16,13 @@
 		if(A.lighting_use_dynamic)
 			var/atom/movable/lighting_overlay/O = PoolOrNew(/atom/movable/lighting_overlay, src)
 			lighting_overlay = O
+
+/turf/Entered(atom/movable/obj)
+	. = ..()
+	if(obj && obj.opacity)
+		reconsider_lights()
+
+/turf/Exited(atom/movable/obj)
+	. = ..()
+	if(obj && obj.opacity)
+		reconsider_lights()