From b4d785c76cea8b297e98ff7a0685241e38a2fac3 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Mon, 25 Mar 2019 20:25:47 +0900
Subject: [PATCH] Don't update gameplay loop while paused

---
 osu.Game/Rulesets/UI/FrameStabilityContainer.cs | 5 ++++-
 osu.Game/Screens/Play/GameplayClock.cs          | 3 +++
 osu.Game/Screens/Play/GameplayClockContainer.cs | 2 ++
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/osu.Game/Rulesets/UI/FrameStabilityContainer.cs b/osu.Game/Rulesets/UI/FrameStabilityContainer.cs
index 161e7aecb4..deec2b8eac 100644
--- a/osu.Game/Rulesets/UI/FrameStabilityContainer.cs
+++ b/osu.Game/Rulesets/UI/FrameStabilityContainer.cs
@@ -36,7 +36,10 @@ public FrameStabilityContainer()
         private void load(GameplayClock clock)
         {
             if (clock != null)
+            {
                 parentGameplayClock = clock;
+                gameplayClock.IsPaused.BindTo(clock.IsPaused);
+            }
         }
 
         protected override void LoadComplete()
@@ -68,7 +71,7 @@ protected override void LoadComplete()
         public override bool UpdateSubTree()
         {
             requireMoreUpdateLoops = true;
-            validState = true;
+            validState = !gameplayClock.IsPaused.Value;
 
             int loops = 0;
 
diff --git a/osu.Game/Screens/Play/GameplayClock.cs b/osu.Game/Screens/Play/GameplayClock.cs
index 0400bfbc27..3efcfa0f65 100644
--- a/osu.Game/Screens/Play/GameplayClock.cs
+++ b/osu.Game/Screens/Play/GameplayClock.cs
@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using osu.Framework.Bindables;
 using osu.Framework.Timing;
 
 namespace osu.Game.Screens.Play
@@ -17,6 +18,8 @@ public class GameplayClock : IFrameBasedClock
     {
         private readonly IFrameBasedClock underlyingClock;
 
+        public readonly BindableBool IsPaused = new BindableBool();
+
         public GameplayClock(IFrameBasedClock underlyingClock)
         {
             this.underlyingClock = underlyingClock;
diff --git a/osu.Game/Screens/Play/GameplayClockContainer.cs b/osu.Game/Screens/Play/GameplayClockContainer.cs
index deac5e02bf..546364b26d 100644
--- a/osu.Game/Screens/Play/GameplayClockContainer.cs
+++ b/osu.Game/Screens/Play/GameplayClockContainer.cs
@@ -79,6 +79,8 @@ public GameplayClockContainer(WorkingBeatmap beatmap, bool allowLeadIn, double g
 
             // the clock to be exposed via DI to children.
             GameplayClock = new GameplayClock(offsetClock);
+
+            GameplayClock.IsPaused.BindTo(IsPaused);
         }
 
         [BackgroundDependencyLoader]