From 9f004186d57e39f7d99f875c1ffa0bdfe39cce08 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Mon, 21 Oct 2019 17:56:39 +0900
Subject: [PATCH] Ensure DrawableHitObject's HitObject is not null

---
 osu.Game/Rulesets/Objects/Drawables/DrawableHitObject.cs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/osu.Game/Rulesets/Objects/Drawables/DrawableHitObject.cs b/osu.Game/Rulesets/Objects/Drawables/DrawableHitObject.cs
index b472c880c0..f305daf128 100644
--- a/osu.Game/Rulesets/Objects/Drawables/DrawableHitObject.cs
+++ b/osu.Game/Rulesets/Objects/Drawables/DrawableHitObject.cs
@@ -5,6 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
+using JetBrains.Annotations;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Extensions.TypeExtensions;
@@ -89,9 +90,9 @@ namespace osu.Game.Rulesets.Objects.Drawables
 
         public IBindable<ArmedState> State => state;
 
-        protected DrawableHitObject(HitObject hitObject)
+        protected DrawableHitObject([NotNull] HitObject hitObject)
         {
-            HitObject = hitObject;
+            HitObject = hitObject ?? throw new ArgumentNullException(nameof(hitObject));
         }
 
         [BackgroundDependencyLoader]