Fix gameplay offset adjustment limits not being enforced

osu.Game.Tests/Visual/Navigation/TestSceneScreenNavigation.cs

 }); 
 realmWriteTask = realm.WriteAsync(r => 
 { 
     var setInfo = r.Find<BeatmapSetInfo>(beatmap.Value.BeatmapSetInfo.ID); 
     if (setInfo == null) // only the case for tests. 
         return; 
     // Apply to all difficulties in a beatmap set if they have the same audio 
     // (they generally always share timing). 
     foreach (var b in setInfo.Beatmaps) 
     { 
         BeatmapUserSettings userSettings = b.UserSettings; 
         double val = Current.Value; 
         if (userSettings.Offset != val && b.AudioEquals(beatmap.Value.BeatmapInfo)) 
             userSettings.Offset = val; 
     } 
 }); 
@@ -41,6 +41,7 @@
 using osu.Game.Screens.OnlinePlay.Playlists;
 using osu.Game.Screens.Play;
 using osu.Game.Screens.Play.HUD;
+using osu.Game.Screens.Play.PlayerSettings;
 using osu.Game.Screens.Ranking;
 using osu.Game.Screens.Select;
 using osu.Game.Screens.Select.Carousel;
@@ -317,6 +318,92 @@ public void TestAttemptPlayBeatmapMissingFails()
             AddUntilStep("wait for song select", () => songSelect.IsCurrentScreen());
         }
 
+        [Test]
+        public void TestOffsetAdjustDuringPause()
+        {
+            Player player = null;
+
+            Screens.Select.SongSelect songSelect = null;
+            PushAndConfirm(() => songSelect = new TestPlaySongSelect());
+            AddUntilStep("wait for song select", () => songSelect.BeatmapSetsLoaded);
+
+            AddStep("import beatmap", () => BeatmapImportHelper.LoadQuickOszIntoOsu(Game).WaitSafely());
+
+            AddUntilStep("wait for selected", () => !Game.Beatmap.IsDefault);
+
+            AddStep("set mods", () => Game.SelectedMods.Value = new Mod[] { new OsuModNoFail() });
+            AddStep("press enter", () => InputManager.Key(Key.Enter));
+
+            AddUntilStep("wait for player", () =>
+            {
+                DismissAnyNotifications();
+                player = Game.ScreenStack.CurrentScreen as Player;
+                return player?.IsLoaded == true;
+            });
+
+            AddUntilStep("wait for track playing", () => Game.Beatmap.Value.Track.IsRunning);
+            checkOffset(0);
+
+            AddStep("adjust offset via keyboard", () => InputManager.Key(Key.Minus));
+            checkOffset(-1);
+
+            AddStep("pause", () => player.ChildrenOfType<GameplayClockContainer>().First().Stop());
+            AddUntilStep("wait for pause", () => player.ChildrenOfType<GameplayClockContainer>().First().IsPaused.Value, () => Is.True);
+            AddStep("attempt adjust offset via keyboard", () => InputManager.Key(Key.Minus));
+            checkOffset(-1);
+
+            void checkOffset(double offset)
+            {
+                AddUntilStep($"control offset is {offset}", () => this.ChildrenOfType<GameplayOffsetControl>().Single().ChildrenOfType<BeatmapOffsetControl>().Single().Current.Value,
+                    () => Is.EqualTo(offset));
+                AddUntilStep($"database offset is {offset}", () => Game.BeatmapManager.QueryBeatmap(b => b.ID == Game.Beatmap.Value.BeatmapInfo.ID)!.UserSettings.Offset,
+                    () => Is.EqualTo(offset));
+            }
+        }
+
+        [Test]
+        public void TestOffsetAdjustDuringGameplay()
+        {
+            Player player = null;
+
+            Screens.Select.SongSelect songSelect = null;
+            PushAndConfirm(() => songSelect = new TestPlaySongSelect());
+            AddUntilStep("wait for song select", () => songSelect.BeatmapSetsLoaded);
+
+            AddStep("import beatmap", () => BeatmapImportHelper.LoadOszIntoOsu(Game).WaitSafely());
+
+            AddUntilStep("wait for selected", () => !Game.Beatmap.IsDefault);
+
+            AddStep("set mods", () => Game.SelectedMods.Value = new Mod[] { new OsuModNoFail() });
+            AddStep("press enter", () => InputManager.Key(Key.Enter));
+
+            AddUntilStep("wait for player", () =>
+            {
+                DismissAnyNotifications();
+                player = Game.ScreenStack.CurrentScreen as Player;
+                return player?.IsLoaded == true;
+            });
+
+            AddUntilStep("wait for track playing", () => Game.Beatmap.Value.Track.IsRunning);
+            checkOffset(0);
+
+            AddStep("adjust offset via keyboard", () => InputManager.Key(Key.Minus));
+            checkOffset(-1);
+
+            AddStep("seek beyond 10 seconds", () => player.ChildrenOfType<GameplayClockContainer>().First().Seek(10500));
+            AddUntilStep("wait for seek", () => player.ChildrenOfType<GameplayClockContainer>().First().CurrentTime, () => Is.GreaterThan(10600));
+            AddStep("attempt adjust offset via keyboard", () => InputManager.Key(Key.Minus));
+            checkOffset(-1);
+
+            void checkOffset(double offset)
+            {
+                AddUntilStep($"control offset is {offset}", () => this.ChildrenOfType<GameplayOffsetControl>().Single().ChildrenOfType<BeatmapOffsetControl>().Single().Current.Value,
+                    () => Is.EqualTo(offset));
+                AddUntilStep($"database offset is {offset}", () => Game.BeatmapManager.QueryBeatmap(b => b.ID == Game.Beatmap.Value.BeatmapInfo.ID)!.UserSettings.Offset,
+                    () => Is.EqualTo(offset));
+            }
+        }
+
         [Test]
         public void TestRetryCountIncrements()
         {

osu.Game/Screens/Play/Player.cs

@@ -322,6 +322,7 @@ private void load(OsuConfigManager config, OsuGameBase game, CancellationToken c
             }
 
             dependencies.CacheAs(DrawableRuleset.FrameStableClock);
+            dependencies.CacheAs<IGameplayClock>(DrawableRuleset.FrameStableClock);
 
             // add the overlay components as a separate step as they proxy some elements from the above underlay/gameplay components.
             // also give the overlays the ruleset skin provider to allow rulesets to potentially override HUD elements (used to disable combo counters etc.)

osu.Game/Screens/Play/PlayerSettings/BeatmapOffsetControl.cs

@@ -274,20 +274,36 @@ protected override void Dispose(bool isDisposing)
             beatmapOffsetSubscription?.Dispose();
         }
 
-        public bool OnPressed(KeyBindingPressEvent<GlobalAction> e)
+        protected override void Update()
+        {
+            base.Update();
+            Current.Disabled = !allowOffsetAdjust;
+        }
+
+        private bool allowOffsetAdjust
         {
-            // General limitations to ensure players don't do anything too weird.
-            // These match stable for now.
-            if (player is SubmittingPlayer)
+            get
             {
-                // TODO: the blocking conditions should probably display a message.
-                if (player?.IsBreakTime.Value == false && gameplayClock?.CurrentTime - gameplayClock?.StartTime > 10000)
-                    return false;
+                // General limitations to ensure players don't do anything too weird.
+                // These match stable for now.
+                if (player is SubmittingPlayer)
+                {
+                    Debug.Assert(gameplayClock != null);
+
+                    // TODO: the blocking conditions should probably display a message.
+                    if (!player.IsBreakTime.Value && gameplayClock.CurrentTime - gameplayClock.StartTime > 10000)
+                        return false;
 
-                if (gameplayClock?.IsPaused.Value == true)
-                    return false;
+                    if (gameplayClock.IsPaused.Value)
+                        return false;
+                }
+
+                return true;
             }
+        }
 
+        public bool OnPressed(KeyBindingPressEvent<GlobalAction> e)
+        {
             // To match stable, this should adjust by 5 ms, or 1 ms when holding alt.
             // But that is hard to make work with global actions due to the operating mode.
             // Let's use the more precise as a default for now.
@@ -296,11 +312,13 @@ public bool OnPressed(KeyBindingPressEvent<GlobalAction> e)
             switch (e.Action)
             {
                 case GlobalAction.IncreaseOffset:
-                    Current.Value += amount;
+                    if (!Current.Disabled)
+                        Current.Value += amount;
                     return true;
 
                 case GlobalAction.DecreaseOffset:
-                    Current.Value -= amount;
+                    if (!Current.Disabled)
+                        Current.Value -= amount;
                     return true;
             }