From c2cf6e89b235e4747712813bfbb10320e4def35d Mon Sep 17 00:00:00 2001
From: Vi3trice <80771500+Vi3trice@users.noreply.github.com>
Date: Wed, 17 Aug 2022 04:10:28 -0400
Subject: [PATCH] Tweak rechargers icon handling so they don't update every
 process (#18838)

* process why

* The panel and charging states preclude the wrench and thus don't need update_icon
---
 code/game/machinery/recharger.dm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/code/game/machinery/recharger.dm b/code/game/machinery/recharger.dm
index 4cf85e0c649..67b8ac10660 100644
--- a/code/game/machinery/recharger.dm
+++ b/code/game/machinery/recharger.dm
@@ -130,9 +130,13 @@
 /obj/machinery/recharger/process()
 	if(stat & (NOPOWER|BROKEN) || !anchored || panel_open)
 		return
+	if(!charging)
+		return
 
+	var/old_power_state = using_power
 	using_power = try_recharging_if_possible()
-	update_icon()
+	if(using_power != old_power_state)
+		update_icon()
 
 /obj/machinery/recharger/emp_act(severity)
 	if(stat & (NOPOWER|BROKEN) || !anchored)