Propagate clock state from editor to gameplay test

osu.Game/Screens/Edit/Editor.cs

@@ -325,6 +325,19 @@ namespace osu.Game.Screens.Edit
         /// </summary>
         public void UpdateClockSource() => clock.ChangeSource(Beatmap.Value.Track);
 
+        /// <summary>
+        /// Creates an <see cref="EditorState"/> instance representing the current state of the editor.
+        /// </summary>
+        /// <param name="nextBeatmap">
+        /// The next beatmap to be shown, in the case of difficulty switch.
+        /// <see langword="null"/> indicates that the beatmap will not be changing.
+        /// </param>
+        private EditorState getState([CanBeNull] BeatmapInfo nextBeatmap = null) => new EditorState
+        {
+            Time = clock.CurrentTimeAccurate,
+            ClipboardContent = nextBeatmap == null || editorBeatmap.BeatmapInfo.RulesetID == nextBeatmap.RulesetID ? Clipboard.Content.Value : string.Empty
+        };
+
         /// <summary>
         /// Restore the editor to a provided state.
         /// </summary>
@@ -780,11 +793,7 @@ namespace osu.Game.Screens.Edit
             return new DifficultyMenuItem(beatmapInfo, isCurrentDifficulty, SwitchToDifficulty);
         }
 
-        protected void SwitchToDifficulty(BeatmapInfo nextBeatmap) => loader?.ScheduleDifficultySwitch(nextBeatmap, new EditorState
+        protected void SwitchToDifficulty(BeatmapInfo nextBeatmap) => loader?.ScheduleDifficultySwitch(nextBeatmap, getState(nextBeatmap));
-        {
-            Time = clock.CurrentTimeAccurate,
-            ClipboardContent = editorBeatmap.BeatmapInfo.RulesetID == nextBeatmap.RulesetID ? Clipboard.Content.Value : string.Empty
-        });
 
         private void cancelExit()
         {
@@ -807,7 +816,7 @@ namespace osu.Game.Screens.Edit
                 pushEditorPlayer();
             }
 
-            void pushEditorPlayer() => this.Push(new EditorPlayerLoader());
+            void pushEditorPlayer() => this.Push(new EditorPlayerLoader(getState()));
         }
 
         public double SnapTime(double time, double? referenceTime) => editorBeatmap.SnapTime(time, referenceTime);

osu.Game/Screens/Edit/GameplayTest/EditorPlayer.cs

@@ -3,6 +3,7 @@
 
 using osu.Framework.Allocation;
 using osu.Framework.Screens;
+using osu.Game.Beatmaps;
 using osu.Game.Overlays;
 using osu.Game.Screens.Play;
 
@@ -10,14 +11,20 @@ namespace osu.Game.Screens.Edit.GameplayTest
 {
     public class EditorPlayer : Player
     {
-        public EditorPlayer()
+        private readonly EditorState editorState;
-            : base(new PlayerConfiguration { ShowResults = false })
-        {
-        }
 
         [Resolved]
         private MusicController musicController { get; set; }
 
+        public EditorPlayer(EditorState editorState)
+            : base(new PlayerConfiguration { ShowResults = false })
+        {
+            this.editorState = editorState;
+        }
+
+        protected override GameplayClockContainer CreateGameplayClockContainer(WorkingBeatmap beatmap, double gameplayStart)
+            => new MasterGameplayClockContainer(beatmap, editorState.Time, true);
+
         protected override void LoadComplete()
         {
             base.LoadComplete();

osu.Game/Screens/Edit/GameplayTest/EditorPlayerLoader.cs

@@ -14,8 +14,8 @@ namespace osu.Game.Screens.Edit.GameplayTest
         [Resolved]
         private OsuLogo osuLogo { get; set; }
 
-        public EditorPlayerLoader()
+        public EditorPlayerLoader(EditorState editorState)
-            : base(() => new EditorPlayer())
+            : base(() => new EditorPlayer(editorState))
         {
         }