Merge pull request #12703 from frenzibyte/editor-wrong-track

Fix editor clock not using the beatmap's virtual track when creating one

osu.Game/Screens/Edit/Editor.cs

@@ -17,7 +17,6 @@ using osu.Framework.Input.Bindings;
 using osu.Framework.Input.Events;
 using osu.Framework.Logging;
 using osu.Framework.Screens;
-using osu.Framework.Timing;
 using osu.Game.Beatmaps;
 using osu.Game.Configuration;
 using osu.Game.Graphics;
@@ -144,8 +143,7 @@ namespace osu.Game.Screens.Edit
 
             // Todo: should probably be done at a DrawableRuleset level to share logic with Player.
             clock = new EditorClock(playableBeatmap, beatDivisor) { IsCoupled = false };
-
-            UpdateClockSource();
+            clock.ChangeSource(loadableBeatmap.Track);
 
             dependencies.CacheAs(clock);
             AddInternal(clock);
@@ -308,11 +306,7 @@ namespace osu.Game.Screens.Edit
         /// <summary>
         /// If the beatmap's track has changed, this method must be called to keep the editor in a valid state.
         /// </summary>
-        public void UpdateClockSource()
-        {
-            var sourceClock = (IAdjustableClock)Beatmap.Value.Track ?? new StopwatchClock();
-            clock.ChangeSource(sourceClock);
-        }
+        public void UpdateClockSource() => clock.ChangeSource(Beatmap.Value.Track);
 
         protected void Save()
         {
@@ -583,7 +577,7 @@ namespace osu.Game.Screens.Edit
 
         private void resetTrack(bool seekToStart = false)
         {
-            Beatmap.Value.Track?.Stop();
+            Beatmap.Value.Track.Stop();
 
             if (seekToStart)
             {

osu.Game/Tests/Visual/EditorClockTestScene.cs

@@ -4,7 +4,6 @@
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Input.Events;
-using osu.Framework.Timing;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Screens.Edit;
@@ -46,7 +45,7 @@ namespace osu.Game.Tests.Visual
         private void beatmapChanged(ValueChangedEvent<WorkingBeatmap> e)
         {
             Clock.ControlPointInfo = e.NewValue.Beatmap.ControlPointInfo;
-            Clock.ChangeSource((IAdjustableClock)e.NewValue.Track ?? new StopwatchClock());
+            Clock.ChangeSource(e.NewValue.Track);
             Clock.ProcessFrame();
         }