From d4ad4ac9db8c76be1cd9545944dca12e582d41f9 Mon Sep 17 00:00:00 2001
From: Dan Balasescu <smoogipoo@smgi.me>
Date: Wed, 23 Mar 2022 10:50:05 +0900
Subject: [PATCH] Limit countdown updates to once per second

---
 .../Multiplayer/Match/ReadyButton.cs          | 20 +++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/osu.Game/Screens/OnlinePlay/Multiplayer/Match/ReadyButton.cs b/osu.Game/Screens/OnlinePlay/Multiplayer/Match/ReadyButton.cs
index 8e3a9f9349..b37d990466 100644
--- a/osu.Game/Screens/OnlinePlay/Multiplayer/Match/ReadyButton.cs
+++ b/osu.Game/Screens/OnlinePlay/Multiplayer/Match/ReadyButton.cs
@@ -6,6 +6,7 @@ using System.Linq;
 using JetBrains.Annotations;
 using osu.Framework.Allocation;
 using osu.Framework.Localisation;
+using osu.Framework.Threading;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Backgrounds;
 using osu.Game.Online.Multiplayer;
@@ -33,21 +34,20 @@ namespace osu.Game.Screens.OnlinePlay.Multiplayer.Match
             onRoomUpdated();
         }
 
-        protected override void Update()
-        {
-            base.Update();
-
-            if (room?.Countdown != null)
-            {
-                // Update the countdown timer.
-                onRoomUpdated();
-            }
-        }
+        private ScheduledDelegate countdownUpdateDelegate;
 
         private void onRoomUpdated()
         {
             updateButtonText();
             updateButtonColour();
+
+            if (room?.Countdown != null)
+                countdownUpdateDelegate ??= Scheduler.AddDelayed(updateButtonText, 1000, true);
+            else
+            {
+                countdownUpdateDelegate?.Cancel();
+                countdownUpdateDelegate = null;
+            }
         }
 
         private void updateButtonText()