From d146f86511ac3b34e995c586ad6889cc2c2ef194 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Wed, 23 Nov 2022 15:39:56 +0900
Subject: [PATCH] Fix crash when hitting 'T' to tap timing while no timing
 point is selected

---
 osu.Game/Screens/Edit/Timing/TapButton.cs        | 3 +++
 osu.Game/Screens/Edit/Timing/TapTimingControl.cs | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/osu.Game/Screens/Edit/Timing/TapButton.cs b/osu.Game/Screens/Edit/Timing/TapButton.cs
index 151c3cea2e..2944eea4fe 100644
--- a/osu.Game/Screens/Edit/Timing/TapButton.cs
+++ b/osu.Game/Screens/Edit/Timing/TapButton.cs
@@ -295,6 +295,9 @@ namespace osu.Game.Screens.Edit.Timing
 
         private void handleTap()
         {
+            if (selectedGroup?.Value == null)
+                return;
+
             tapTimings.Add(Clock.CurrentTime);
 
             if (tapTimings.Count > initial_taps_to_ignore + max_taps_to_consider)
diff --git a/osu.Game/Screens/Edit/Timing/TapTimingControl.cs b/osu.Game/Screens/Edit/Timing/TapTimingControl.cs
index abc73851e4..daa3168746 100644
--- a/osu.Game/Screens/Edit/Timing/TapTimingControl.cs
+++ b/osu.Game/Screens/Edit/Timing/TapTimingControl.cs
@@ -183,12 +183,18 @@ namespace osu.Game.Screens.Edit.Timing
 
         private void start()
         {
+            if (selectedGroup.Value == null)
+                return;
+
             editorClock.Seek(selectedGroup.Value.Time);
             editorClock.Start();
         }
 
         private void reset()
         {
+            if (selectedGroup.Value == null)
+                return;
+
             editorClock.Stop();
             editorClock.Seek(selectedGroup.Value.Time);
         }