From 5c189b310e95159beb9257c6ee5a58ed5c18cc9b Mon Sep 17 00:00:00 2001
From: silicons <2003111+silicons@users.noreply.github.com>
Date: Mon, 20 Jul 2020 15:43:48 -0700
Subject: [PATCH] ok, snaxi

---
 code/modules/power/apc.dm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/code/modules/power/apc.dm b/code/modules/power/apc.dm
index 19e32bae0b..3f9ca4f1b7 100644
--- a/code/modules/power/apc.dm
+++ b/code/modules/power/apc.dm
@@ -935,6 +935,9 @@
 	return "[area.name] : [equipment]/[lighting]/[environ] ([lastused_equip+lastused_light+lastused_environ]) : [cell? cell.percent() : "N/C"] ([charging])"
 
 /obj/machinery/power/apc/proc/update()
+	var/old_light = area.power_light
+	var/old_equip = area.power_equip
+	var/old_environ = area.power_environ
 	if(operating && !shorted && !failure_timer)
 		area.power_light = (lighting > 1)
 		area.power_equip = (equipment > 1)
@@ -943,7 +946,8 @@
 		area.power_light = FALSE
 		area.power_equip = FALSE
 		area.power_environ = FALSE
-	area.power_change()
+	if(old_light != area.power_light || old_equip != area.power_equip || old_environ != area.power_environ)
+		area.power_change()
 
 /obj/machinery/power/apc/proc/can_use(mob/user, loud = 0) //used by attack_hand() and Topic()
 	if(IsAdminGhost(user))