Fix crash when trying to scope to beatmap set in multiplayer freestyle select screen with sorting/grouping mode which has difficulties split apart (#37997 )

Closes https://github.com/ppy/osu/issues/37995. See https://github.com/ppy/osu/blob/9727d95ad9a46ecaafd8b4fe62e68f45db607661/osu.Game/Screens/Select/SongSelect.cs#L91-L95 for why this would crash.
2026-06-05 17:45:02 +08:00 · 2026-06-05 15:57:33 +09:00
2 changed files with 9 additions and 1 deletions
@@ -26,6 +26,7 @@ namespace osu.Game.Screens.Select
        {
            public Bindable<BeatmapInfo?> Beatmap { get; } = new Bindable<BeatmapInfo?>();
            public Bindable<StarDifficulty> StarDifficulty { get; } = new Bindable<StarDifficulty>();
+            public BindableBool Selected { get; } = new BindableBool();

            protected override Colour4 DimColour => Colour4.White;

@@ -140,6 +141,8 @@ namespace osu.Game.Screens.Select
                StarDifficulty.BindValueChanged(_ => updateBeatmap());
                showConvertedBeatmaps.BindValueChanged(_ => updateBeatmap());
                scopedBeatmapSet.BindValueChanged(_ => updateBeatmap(), true);
+                Selected.BindValueChanged(_ => updateEnabled());
+                scopedBeatmapSet.BindDisabledChanged(_ => updateEnabled(), true);
                Enabled.BindValueChanged(_ => updateAppearance(), true);
                FinishTransforms(true);
            }
@@ -254,6 +257,11 @@ namespace osu.Game.Screens.Select
                base.OnHoverLost(e);
            }

+            private void updateEnabled()
+            {
+                Enabled.Value = Selected.Value && !scopedBeatmapSet.Disabled;
+            }
+
            private void updateAppearance()
            {
                bool isInteractable = Enabled.Value && IsHovered;
@@ -194,6 +194,7 @@ namespace osu.Game.Screens.Select
                                        {
                                            Origin = Anchor.CentreLeft,
                                            Anchor = Anchor.CentreLeft,
+                                            Selected = { BindTarget = Selected },
                                        }
                                    },
                                }
@@ -214,7 +215,6 @@ namespace osu.Game.Screens.Select
            Selected.BindValueChanged(s =>
            {
                Expanded.Value = s.NewValue;
-                spreadDisplay.Enabled.Value = s.NewValue;
            }, true);
        }