Merge branch 'master' into editor-beat-snap-adjust-scroll

osu.Android.props

@@ -10,7 +10,7 @@
     <EmbedAssembliesIntoApk>true</EmbedAssembliesIntoApk>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="ppy.osu.Framework.Android" Version="2024.1220.0" />
+    <PackageReference Include="ppy.osu.Framework.Android" Version="2024.1224.0" />
   </ItemGroup>
   <PropertyGroup>
     <!-- Fody does not handle Android build well, and warns when unchanged.

osu.Game.Rulesets.Catch.Tests.iOS/AppDelegate.cs

@@ -0,0 +1,15 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using Foundation;
+using osu.Framework.iOS;
+using osu.Game.Tests;
+
+namespace osu.Game.Rulesets.Catch.Tests.iOS
+{
+    [Register("AppDelegate")]
+    public class AppDelegate : GameApplicationDelegate
+    {
+        protected override Framework.Game CreateGame() => new OsuTestBrowser();
+    }
+}

osu.Game.Rulesets.Catch.Tests.iOS/Program.cs

@@ -1,16 +1,15 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using osu.Framework.iOS;
+using UIKit;
-using osu.Game.Tests;
 
 namespace osu.Game.Rulesets.Catch.Tests.iOS
 {
-    public static class Application
+    public static class Program
     {
         public static void Main(string[] args)
         {
-            GameApplication.Main(new OsuTestBrowser());
+            UIApplication.Main(args, null, typeof(AppDelegate));
         }
     }
 }

osu.Game.Rulesets.Mania.Tests.iOS/AppDelegate.cs

@@ -0,0 +1,15 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using Foundation;
+using osu.Framework.iOS;
+using osu.Game.Tests;
+
+namespace osu.Game.Rulesets.Mania.Tests.iOS
+{
+    [Register("AppDelegate")]
+    public class AppDelegate : GameApplicationDelegate
+    {
+        protected override Framework.Game CreateGame() => new OsuTestBrowser();
+    }
+}

osu.Game.Rulesets.Mania.Tests.iOS/Program.cs

@@ -1,16 +1,15 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using osu.Framework.iOS;
+using UIKit;
-using osu.Game.Tests;
 
 namespace osu.Game.Rulesets.Mania.Tests.iOS
 {
-    public static class Application
+    public static class Program
     {
         public static void Main(string[] args)
         {
-            GameApplication.Main(new OsuTestBrowser());
+            UIApplication.Main(args, null, typeof(AppDelegate));
         }
     }
 }

osu.Game.Rulesets.Osu.Tests.iOS/AppDelegate.cs

@@ -0,0 +1,15 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using Foundation;
+using osu.Framework.iOS;
+using osu.Game.Tests;
+
+namespace osu.Game.Rulesets.Osu.Tests.iOS
+{
+    [Register("AppDelegate")]
+    public class AppDelegate : GameApplicationDelegate
+    {
+        protected override Framework.Game CreateGame() => new OsuTestBrowser();
+    }
+}

osu.Game.Rulesets.Osu.Tests.iOS/Program.cs

@@ -1,16 +1,15 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using osu.Framework.iOS;
+using UIKit;
-using osu.Game.Tests;
 
 namespace osu.Game.Rulesets.Osu.Tests.iOS
 {
-    public static class Application
+    public static class Program
     {
         public static void Main(string[] args)
         {
-            GameApplication.Main(new OsuTestBrowser());
+            UIApplication.Main(args, null, typeof(AppDelegate));
         }
     }
 }

osu.Game.Rulesets.Taiko.Tests.iOS/AppDelegate.cs

@@ -0,0 +1,15 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using Foundation;
+using osu.Framework.iOS;
+using osu.Game.Tests;
+
+namespace osu.Game.Rulesets.Taiko.Tests.iOS
+{
+    [Register("AppDelegate")]
+    public class AppDelegate : GameApplicationDelegate
+    {
+        protected override Framework.Game CreateGame() => new OsuTestBrowser();
+    }
+}

osu.Game.Rulesets.Taiko.Tests.iOS/Program.cs

@@ -1,16 +1,15 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using osu.Framework.iOS;
+using UIKit;
-using osu.Game.Tests;
 
 namespace osu.Game.Rulesets.Taiko.Tests.iOS
 {
-    public static class Application
+    public static class Program
     {
         public static void Main(string[] args)
         {
-            GameApplication.Main(new OsuTestBrowser());
+            UIApplication.Main(args, null, typeof(AppDelegate));
         }
     }
 }

osu.Game.Tests.iOS/AppDelegate.cs

@@ -0,0 +1,14 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using Foundation;
+using osu.Framework.iOS;
+
+namespace osu.Game.Tests.iOS
+{
+    [Register("AppDelegate")]
+    public class AppDelegate : GameApplicationDelegate
+    {
+        protected override Framework.Game CreateGame() => new OsuTestBrowser();
+    }
+}

osu.Game.Tests.iOS/Program.cs

@@ -1,15 +1,15 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using osu.Framework.iOS;
+using UIKit;
 
 namespace osu.Game.Tests.iOS
 {
-    public static class Application
+    public static class Program
     {
         public static void Main(string[] args)
         {
-            GameApplication.Main(new OsuTestBrowser());
+            UIApplication.Main(args, null, typeof(AppDelegate));
         }
     }
 }

osu.Game.Tests/Skins/SkinDeserialisationTest.cs

@@ -68,7 +68,9 @@ namespace osu.Game.Tests.Skins
             // Covers legacy rank display
             "Archives/modified-classic-20230809.osk",
             // Covers legacy key counter
-            "Archives/modified-classic-20240724.osk"
+            "Archives/modified-classic-20240724.osk",
+            // Covers skinnable mod display
+            "Archives/modified-default-20241207.osk",
         };
 
         /// <summary>

osu.Game.Tests/Visual/Gameplay/TestScenePause.cs

@@ -12,6 +12,7 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Logging;
 using osu.Framework.Screens;
 using osu.Framework.Testing;
+using osu.Game.Beatmaps;
 using osu.Game.Configuration;
 using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Cursor;
@@ -19,6 +20,7 @@ using osu.Game.Rulesets;
 using osu.Game.Rulesets.UI;
 using osu.Game.Screens.Play;
 using osu.Game.Skinning;
+using osu.Game.Storyboards;
 using osuTK;
 using osuTK.Input;
 
@@ -28,6 +30,12 @@ namespace osu.Game.Tests.Visual.Gameplay
     {
         protected new PausePlayer Player => (PausePlayer)base.Player;
 
+        protected override WorkingBeatmap CreateWorkingBeatmap(IBeatmap beatmap, Storyboard storyboard = null)
+        {
+            beatmap.AudioLeadIn = 4000;
+            return base.CreateWorkingBeatmap(beatmap, storyboard);
+        }
+
         private readonly Container content;
 
         protected override Container<Drawable> Content => content;
@@ -200,8 +208,10 @@ namespace osu.Game.Tests.Visual.Gameplay
         }
 
         [Test]
+        [Ignore("Fails on github runners if they happen to skip too far forward in time.")]
         public void TestUserPauseDuringCooldownTooSoon()
         {
+            AddStep("seek to gameplay", () => Player.GameplayClockContainer.Seek(0));
             AddStep("move cursor outside", () => InputManager.MoveMouseTo(Player.ScreenSpaceDrawQuad.TopLeft - new Vector2(10)));
 
             pauseAndConfirm();
@@ -213,9 +223,23 @@ namespace osu.Game.Tests.Visual.Gameplay
             confirmNotExited();
         }
 
+        [Test]
+        public void TestUserPauseDuringIntroSkipsCooldown()
+        {
+            AddStep("seek before gameplay", () => Player.GameplayClockContainer.Seek(-5000));
+            AddStep("move cursor outside", () => InputManager.MoveMouseTo(Player.ScreenSpaceDrawQuad.TopLeft - new Vector2(10)));
+
+            pauseAndConfirm();
+
+            resume();
+            pauseViaBackAction();
+            confirmPaused();
+        }
+
         [Test]
         public void TestQuickExitDuringCooldownTooSoon()
         {
+            AddStep("seek to gameplay", () => Player.GameplayClockContainer.Seek(0));
             AddStep("move cursor outside", () => InputManager.MoveMouseTo(Player.ScreenSpaceDrawQuad.TopLeft - new Vector2(10)));
 
             pauseAndConfirm();

osu.Game.Tests/Visual/Menus/TestSceneIntroChristmas.cs

@@ -0,0 +1,16 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using NUnit.Framework;
+using osu.Game.Screens.Menu;
+using osu.Game.Seasonal;
+
+namespace osu.Game.Tests.Visual.Menus
+{
+    [TestFixture]
+    public partial class TestSceneIntroChristmas : IntroTestScene
+    {
+        protected override bool IntroReliesOnTrack => true;
+        protected override IntroScreen CreateScreen() => new IntroChristmas();
+    }
+}

osu.Game.Tests/Visual/Menus/TestSceneMainMenuSeasonalLighting.cs

@@ -0,0 +1,43 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Testing;
+using osu.Game.Beatmaps;
+using osu.Game.Seasonal;
+
+namespace osu.Game.Tests.Visual.Menus
+{
+    public partial class TestSceneMainMenuSeasonalLighting : OsuTestScene
+    {
+        [Resolved]
+        private BeatmapManager beatmaps { get; set; } = null!;
+
+        [SetUpSteps]
+        public void SetUpSteps()
+        {
+            AddStep("prepare beatmap", () =>
+            {
+                var setInfo = beatmaps.QueryBeatmapSet(b => b.Protected && b.Hash == IntroChristmas.CHRISTMAS_BEATMAP_SET_HASH);
+
+                if (setInfo != null)
+                    Beatmap.Value = beatmaps.GetWorkingBeatmap(setInfo.Value.Beatmaps.First());
+            });
+
+            AddStep("create lighting", () => Child = new MainMenuSeasonalLighting());
+
+            AddStep("restart beatmap", () =>
+            {
+                Beatmap.Value.Track.Start();
+                Beatmap.Value.Track.Seek(4000);
+            });
+        }
+
+        [Test]
+        public void TestBasic()
+        {
+        }
+    }
+}

osu.Game.Tests/Visual/UserInterface/TestSceneOsuLogo.cs

@@ -4,20 +4,52 @@
 using NUnit.Framework;
 using osu.Framework.Graphics;
 using osu.Game.Screens.Menu;
+using osu.Game.Seasonal;
+using osuTK;
 
 namespace osu.Game.Tests.Visual.UserInterface
 {
     public partial class TestSceneOsuLogo : OsuTestScene
     {
+        private OsuLogo? logo;
+
+        private float scale = 1;
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            AddSliderStep("scale", 0.1, 2, 1, scale =>
+            {
+                if (logo != null)
+                    Child.Scale = new Vector2(this.scale = (float)scale);
+            });
+        }
+
         [Test]
         public void TestBasic()
         {
             AddStep("Add logo", () =>
             {
-                Child = new OsuLogo
+                Child = logo = new OsuLogo
                 {
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
+                    Scale = new Vector2(scale),
+                };
+            });
+        }
+
+        [Test]
+        public void TestChristmas()
+        {
+            AddStep("Add logo", () =>
+            {
+                Child = logo = new OsuLogoChristmas
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    Scale = new Vector2(scale),
                 };
             });
         }

osu.Game/Configuration/OsuConfigManager.cs

@@ -57,6 +57,7 @@ namespace osu.Game.Configuration
             SetDefault(OsuSetting.ChatDisplayHeight, ChatOverlay.DEFAULT_HEIGHT, 0.2f, 1f, 0.01f);
 
             SetDefault(OsuSetting.BeatmapListingCardSize, BeatmapCardSize.Normal);
+            SetDefault(OsuSetting.BeatmapListingFeaturedArtistFilter, true);
 
             SetDefault(OsuSetting.ProfileCoverExpanded, true);
 
@@ -450,5 +451,6 @@ namespace osu.Game.Configuration
         EditorAdjustExistingObjectsOnTimingChanges,
         AlwaysRequireHoldingForPause,
         MultiplayerShowInProgressFilter,
+        BeatmapListingFeaturedArtistFilter,
     }
 }

osu.Game/Localisation/BeatmapOverlayStrings.cs

@@ -28,6 +28,11 @@ This includes content that may not be correctly licensed for osu! usage. Browse
         /// </summary>
         public static LocalisableString UserContentConfirmButtonText => new TranslatableString(getKey(@"understood"), @"I understand");
 
+        /// <summary>
+        /// "Featured Artists are music artists who have collaborated with osu! to make a selection of their tracks available for use in beatmaps. For some osu! releases, we showcase only featured artist beatmaps to better support the surrounding ecosystem."
+        /// </summary>
+        public static LocalisableString FeaturedArtistsTooltip => new TranslatableString(getKey(@"featured_artists_disabled_tooltip"), @"Featured Artists are music artists who have collaborated with osu! to make a selection of their tracks available for use in beatmaps. For some osu! releases, we showcase only featured artist beatmaps to better support the surrounding ecosystem.");
+
         private static string getKey(string key) => $@"{prefix}:{key}";
     }
 }

osu.Game/Localisation/MenuTipStrings.cs

@@ -119,6 +119,11 @@ namespace osu.Game.Localisation
         /// </summary>
         public static LocalisableString AutoplayBeatmapShortcut => new TranslatableString(getKey(@"autoplay_beatmap_shortcut"), @"Ctrl-Enter at song select will start a beatmap in autoplay mode!");
 
+        /// <summary>
+        /// "&quot;Lazer&quot; is not an English word. The correct spelling for the bright light is &quot;laser&quot;."
+        /// </summary>
+        public static LocalisableString LazerIsNotAWord => new TranslatableString(getKey(@"lazer_is_not_a_word"), @"""Lazer"" is not an English word. The correct spelling for the bright light is ""laser"".");
+
         /// <summary>
         /// "Multithreading support means that even with low &quot;FPS&quot; your input and judgements will be accurate!"
         /// </summary>

osu.Game/Localisation/SkinComponents/SkinnableModDisplayStrings.cs

@@ -0,0 +1,49 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Localisation;
+
+namespace osu.Game.Localisation.SkinComponents
+{
+    public static class SkinnableModDisplayStrings
+    {
+        private const string prefix = @"osu.Game.Resources.Localisation.SkinnableModDisplay";
+
+        /// <summary>
+        /// "Show extended information"
+        /// </summary>
+        public static LocalisableString ShowExtendedInformation => new TranslatableString(getKey(@"show_extended_information"), @"Show extended information");
+
+        /// <summary>
+        /// "Whether to show extended information for each mod."
+        /// </summary>
+        public static LocalisableString ShowExtendedInformationDescription => new TranslatableString(getKey(@"whether_to_show_extended_information"), @"Whether to show extended information for each mod.");
+
+        /// <summary>
+        /// "Expansion mode"
+        /// </summary>
+        public static LocalisableString ExpansionMode => new TranslatableString(getKey(@"expansion_mode"), @"Expansion mode");
+
+        /// <summary>
+        /// "How the mod display expands when interacted with."
+        /// </summary>
+        public static LocalisableString ExpansionModeDescription => new TranslatableString(getKey(@"how_the_mod_display_expands"), @"How the mod display expands when interacted with.");
+
+        /// <summary>
+        /// "Expand on hover"
+        /// </summary>
+        public static LocalisableString ExpandOnHover => new TranslatableString(getKey(@"expand_on_hover"), @"Expand on hover");
+
+        /// <summary>
+        /// "Always contracted"
+        /// </summary>
+        public static LocalisableString AlwaysContracted => new TranslatableString(getKey(@"always_contracted"), @"Always contracted");
+
+        /// <summary>
+        /// "Always expanded"
+        /// </summary>
+        public static LocalisableString AlwaysExpanded => new TranslatableString(getKey(@"always_expanded"), @"Always expanded");
+
+        private static string getKey(string key) => $@"{prefix}:{key}";
+    }
+}

osu.Game/Localisation/SkinSettingsStrings.cs

@@ -54,16 +54,6 @@ namespace osu.Game.Localisation
         /// </summary>
         public static LocalisableString BeatmapHitsounds => new TranslatableString(getKey(@"beatmap_hitsounds"), @"Beatmap hitsounds");
 
-        /// <summary>
-        /// "Export selected skin"
-        /// </summary>
-        public static LocalisableString ExportSkinButton => new TranslatableString(getKey(@"export_skin_button"), @"Export selected skin");
-
-        /// <summary>
-        /// "Delete selected skin"
-        /// </summary>
-        public static LocalisableString DeleteSkinButton => new TranslatableString(getKey(@"delete_skin_button"), @"Delete selected skin");
-
         private static string getKey(string key) => $"{prefix}:{key}";
     }
 }

osu.Game/OsuGame.cs

@@ -68,6 +68,7 @@ using osu.Game.Screens.OnlinePlay.Multiplayer;
 using osu.Game.Screens.Play;
 using osu.Game.Screens.Ranking;
 using osu.Game.Screens.Select;
+using osu.Game.Seasonal;
 using osu.Game.Skinning;
 using osu.Game.Updater;
 using osu.Game.Users;
@@ -220,6 +221,11 @@ namespace osu.Game
 
         private readonly List<OverlayContainer> visibleBlockingOverlays = new List<OverlayContainer>();
 
+        /// <summary>
+        /// Whether the game should be limited to only display officially licensed content.
+        /// </summary>
+        public virtual bool HideUnlicensedContent => false;
+
         public OsuGame(string[] args = null)
         {
             this.args = args;
@@ -361,7 +367,10 @@ namespace osu.Game
         {
             SentryLogger.AttachUser(API.LocalUser);
 
-            dependencies.Cache(osuLogo = new OsuLogo { Alpha = 0 });
+            if (SeasonalUIConfig.ENABLED)
+                dependencies.CacheAs(osuLogo = new OsuLogoChristmas { Alpha = 0 });
+            else
+                dependencies.CacheAs(osuLogo = new OsuLogo { Alpha = 0 });
 
             // bind config int to database RulesetInfo
             configRuleset = LocalConfig.GetBindable<string>(OsuSetting.Ruleset);

osu.Game/Overlays/BeatmapListing/BeatmapSearchGeneralFilterRow.cs

@@ -5,6 +5,7 @@ using System;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Extensions;
+using osu.Framework.Graphics.Cursor;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Input.Events;
 using osu.Framework.Localisation;
@@ -113,7 +114,7 @@ namespace osu.Game.Overlays.BeatmapListing
             }
         }
 
-        private partial class FeaturedArtistsTabItem : MultipleSelectionFilterTabItem
+        private partial class FeaturedArtistsTabItem : MultipleSelectionFilterTabItem, IHasTooltip
         {
             private Bindable<bool> disclaimerShown = null!;
 
@@ -125,17 +126,36 @@ namespace osu.Game.Overlays.BeatmapListing
             [Resolved]
             private OsuColour colours { get; set; } = null!;
 
+            [Resolved]
+            private OsuConfigManager config { get; set; } = null!;
+
             [Resolved]
             private SessionStatics sessionStatics { get; set; } = null!;
 
             [Resolved]
             private IDialogOverlay? dialogOverlay { get; set; }
 
+            [Resolved]
+            private OsuGame? game { get; set; }
+
+            public LocalisableString TooltipText => BeatmapOverlayStrings.FeaturedArtistsTooltip;
+
             protected override void LoadComplete()
             {
                 base.LoadComplete();
 
+                config.BindWith(OsuSetting.BeatmapListingFeaturedArtistFilter, Active);
                 disclaimerShown = sessionStatics.GetBindable<bool>(Static.FeaturedArtistDisclaimerShownOnce);
+
+                // no need to show the disclaimer if the user already had it toggled off in config.
+                if (!Active.Value)
+                    disclaimerShown.Value = true;
+
+                if (game?.HideUnlicensedContent == true)
+                {
+                    Enabled.Value = false;
+                    Active.Disabled = true;
+                }
             }
 
             protected override Color4 ColourNormal => colours.Orange1;
@@ -143,6 +163,9 @@ namespace osu.Game.Overlays.BeatmapListing
 
             protected override bool OnClick(ClickEvent e)
             {
+                if (!Enabled.Value)
+                    return true;
+
                 if (!disclaimerShown.Value && dialogOverlay != null)
                 {
                     dialogOverlay.Push(new FeaturedArtistConfirmDialog(() =>

osu.Game/Overlays/BeatmapListing/BeatmapSearchMultipleSelectionFilterRow.cs

@@ -73,7 +73,10 @@ namespace osu.Game.Overlays.BeatmapListing
             private void currentChanged(object? sender, NotifyCollectionChangedEventArgs e)
             {
                 foreach (var c in Children)
-                    c.Active.Value = Current.Contains(c.Value);
+                {
+                    if (!c.Active.Disabled)
+                        c.Active.Value = Current.Contains(c.Value);
+                }
             }
 
             /// <summary>
@@ -100,7 +103,7 @@ namespace osu.Game.Overlays.BeatmapListing
 
         protected partial class MultipleSelectionFilterTabItem : FilterTabItem<T>
         {
-            private Drawable activeContent = null!;
+            private Container activeContent = null!;
             private Circle background = null!;
 
             public MultipleSelectionFilterTabItem(T value)
@@ -160,7 +163,9 @@ namespace osu.Game.Overlays.BeatmapListing
             {
                 Color4 colour = Active.Value ? ColourActive : ColourNormal;
 
-                if (IsHovered)
+                if (!Enabled.Value)
+                    colour = colour.Darken(1f);
+                else if (IsHovered)
                     colour = Active.Value ? colour.Darken(0.2f) : colour.Lighten(0.2f);
 
                 if (Active.Value)

osu.Game/Overlays/BeatmapListing/FilterTabItem.cs

@@ -57,7 +57,9 @@ namespace osu.Game.Overlays.BeatmapListing
         {
             base.LoadComplete();
 
+            Enabled.BindValueChanged(_ => UpdateState());
             UpdateState();
+
             FinishTransforms(true);
         }
 

osu.Game/Overlays/Settings/Sections/SkinSection.cs

@@ -9,17 +9,23 @@ using System.Linq;
 using JetBrains.Annotations;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
+using osu.Framework.Extensions;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Cursor;
 using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.UserInterface;
 using osu.Framework.Localisation;
 using osu.Framework.Logging;
 using osu.Game.Database;
 using osu.Game.Graphics;
 using osu.Game.Graphics.UserInterface;
+using osu.Game.Graphics.UserInterfaceV2;
 using osu.Game.Localisation;
 using osu.Game.Overlays.SkinEditor;
 using osu.Game.Screens.Select;
 using osu.Game.Skinning;
+using osuTK;
 using Realms;
 
 namespace osu.Game.Overlays.Settings.Sections
@@ -64,13 +70,26 @@ namespace osu.Game.Overlays.Settings.Sections
                     Current = skins.CurrentSkinInfo,
                     Keywords = new[] { @"skins" },
                 },
+                new FillFlowContainer
+                {
+                    RelativeSizeAxes = Axes.X,
+                    AutoSizeAxes = Axes.Y,
+                    Direction = FillDirection.Horizontal,
+                    Spacing = new Vector2(5, 0),
+                    Padding = new MarginPadding { Left = SettingsPanel.CONTENT_MARGINS, Right = SettingsPanel.CONTENT_MARGINS },
+                    Children = new Drawable[]
+                    {
+                        // This is all super-temporary until we move skin settings to their own panel / overlay.
+                        new RenameSkinButton { Padding = new MarginPadding(), RelativeSizeAxes = Axes.None, Width = 120 },
+                        new ExportSkinButton { Padding = new MarginPadding(), RelativeSizeAxes = Axes.None, Width = 120 },
+                        new DeleteSkinButton { Padding = new MarginPadding(), RelativeSizeAxes = Axes.None, Width = 110 },
+                    }
+                },
                 new SettingsButton
                 {
                     Text = SkinSettingsStrings.SkinLayoutEditor,
                     Action = () => skinEditor?.ToggleVisibility(),
                 },
-                new ExportSkinButton(),
-                new DeleteSkinButton(),
             };
         }
 
@@ -136,6 +155,34 @@ namespace osu.Game.Overlays.Settings.Sections
             }
         }
 
+        public partial class RenameSkinButton : SettingsButton, IHasPopover
+        {
+            [Resolved]
+            private SkinManager skins { get; set; }
+
+            private Bindable<Skin> currentSkin;
+
+            [BackgroundDependencyLoader]
+            private void load()
+            {
+                Text = "Rename";
+                Action = this.ShowPopover;
+            }
+
+            protected override void LoadComplete()
+            {
+                base.LoadComplete();
+
+                currentSkin = skins.CurrentSkin.GetBoundCopy();
+                currentSkin.BindValueChanged(skin => Enabled.Value = skin.NewValue.SkinInfo.PerformRead(s => !s.Protected), true);
+            }
+
+            public Popover GetPopover()
+            {
+                return new RenameSkinPopover();
+            }
+        }
+
         public partial class ExportSkinButton : SettingsButton
         {
             [Resolved]
@@ -146,7 +193,7 @@ namespace osu.Game.Overlays.Settings.Sections
             [BackgroundDependencyLoader]
             private void load()
             {
-                Text = SkinSettingsStrings.ExportSkinButton;
+                Text = "Export";
                 Action = export;
             }
 
@@ -184,7 +231,7 @@ namespace osu.Game.Overlays.Settings.Sections
             [BackgroundDependencyLoader]
             private void load()
             {
-                Text = SkinSettingsStrings.DeleteSkinButton;
+                Text = "Delete";
                 Action = delete;
             }
 
@@ -201,5 +248,63 @@ namespace osu.Game.Overlays.Settings.Sections
                 dialogOverlay?.Push(new SkinDeleteDialog(currentSkin.Value));
             }
         }
+
+        public partial class RenameSkinPopover : OsuPopover
+        {
+            [Resolved]
+            private SkinManager skins { get; set; }
+
+            private readonly FocusedTextBox textBox;
+
+            public RenameSkinPopover()
+            {
+                AutoSizeAxes = Axes.Both;
+                Origin = Anchor.TopCentre;
+
+                RoundedButton renameButton;
+
+                Child = new FillFlowContainer
+                {
+                    Direction = FillDirection.Vertical,
+                    AutoSizeAxes = Axes.Y,
+                    Width = 250,
+                    Spacing = new Vector2(10f),
+                    Children = new Drawable[]
+                    {
+                        textBox = new FocusedTextBox
+                        {
+                            PlaceholderText = @"Skin name",
+                            FontSize = OsuFont.DEFAULT_FONT_SIZE,
+                            RelativeSizeAxes = Axes.X,
+                            SelectAllOnFocus = true,
+                        },
+                        renameButton = new RoundedButton
+                        {
+                            Height = 40,
+                            RelativeSizeAxes = Axes.X,
+                            MatchingFilter = true,
+                            Text = "Save",
+                        }
+                    }
+                };
+
+                renameButton.Action += rename;
+                textBox.OnCommit += (_, _) => rename();
+            }
+
+            protected override void PopIn()
+            {
+                textBox.Text = skins.CurrentSkinInfo.Value.Value.Name;
+                textBox.TakeFocus();
+
+                base.PopIn();
+            }
+
+            private void rename() => skins.CurrentSkinInfo.Value.PerformWrite(skin =>
+            {
+                skin.Name = textBox.Text;
+                PopOut();
+            });
+        }
     }
 }

osu.Game/Overlays/Settings/Sections/UserInterface/MainMenuSettings.cs

@@ -36,11 +36,13 @@ namespace osu.Game.Overlays.Settings.Sections.UserInterface
                 },
                 new SettingsCheckbox
                 {
+                    Keywords = new[] { "intro", "welcome" },
                     LabelText = UserInterfaceStrings.InterfaceVoices,
                     Current = config.GetBindable<bool>(OsuSetting.MenuVoice)
                 },
                 new SettingsCheckbox
                 {
+                    Keywords = new[] { "intro", "welcome" },
                     LabelText = UserInterfaceStrings.OsuMusicTheme,
                     Current = config.GetBindable<bool>(OsuSetting.MenuMusic)
                 },

osu.Game/Rulesets/UI/ModIcon.cs

@@ -39,7 +39,18 @@ namespace osu.Game.Rulesets.UI
         private IMod mod;
 
         private readonly bool showTooltip;
-        private readonly bool showExtendedInformation;
+
+        private bool showExtendedInformation;
+
+        public bool ShowExtendedInformation
+        {
+            get => showExtendedInformation;
+            set
+            {
+                showExtendedInformation = value;
+                updateExtendedInformation();
+            }
+        }
 
         public IMod Mod
         {

osu.Game/Screens/Loader.cs

@@ -6,6 +6,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using osu.Framework.Allocation;
+using osu.Framework.Development;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shaders;
@@ -15,6 +16,7 @@ using osu.Framework.Screens;
 using osu.Framework.Threading;
 using osu.Game.Configuration;
 using osu.Game.Graphics.UserInterface;
+using osu.Game.Seasonal;
 using IntroSequence = osu.Game.Configuration.IntroSequence;
 
 namespace osu.Game.Screens
@@ -37,6 +39,11 @@ namespace osu.Game.Screens
 
         private IntroScreen getIntroSequence()
         {
+            // Headless tests run too fast to load non-circles intros correctly.
+            // They will hit the "audio can't play" notification and cause random test failures.
+            if (SeasonalUIConfig.ENABLED && !DebugUtils.IsNUnitRunning)
+                return new IntroChristmas(createMainMenu);
+
             if (introSequence == IntroSequence.Random)
                 introSequence = (IntroSequence)RNG.Next(0, (int)IntroSequence.Random);
 

osu.Game/Screens/Menu/IntroScreen.cs

@@ -207,7 +207,7 @@ namespace osu.Game.Screens.Menu
                         Text = NotificationsStrings.AudioPlaybackIssue
                     });
                 }
-            }, 5000);
+            }, 8000);
         }
 
         public override void OnResuming(ScreenTransitionEvent e)

osu.Game/Screens/Menu/MainMenu.cs

@@ -36,6 +36,7 @@ using osu.Game.Screens.OnlinePlay.DailyChallenge;
 using osu.Game.Screens.OnlinePlay.Multiplayer;
 using osu.Game.Screens.OnlinePlay.Playlists;
 using osu.Game.Screens.Select;
+using osu.Game.Seasonal;
 using osuTK;
 using osuTK.Graphics;
 
@@ -125,6 +126,7 @@ namespace osu.Game.Screens.Menu
 
             AddRangeInternal(new[]
             {
+                SeasonalUIConfig.ENABLED ? new MainMenuSeasonalLighting() : Empty(),
                 new GlobalScrollAdjustsVolume(),
                 buttonsContainer = new ParallaxContainer
                 {
@@ -161,14 +163,15 @@ namespace osu.Game.Screens.Menu
                     }
                 },
                 logoTarget = new Container { RelativeSizeAxes = Axes.Both, },
-                sideFlashes = new MenuSideFlashes(),
+                sideFlashes = SeasonalUIConfig.ENABLED ? new SeasonalMenuSideFlashes() : new MenuSideFlashes(),
                 songTicker = new SongTicker
                 {
                     Anchor = Anchor.TopRight,
                     Origin = Anchor.TopRight,
                     Margin = new MarginPadding { Right = 15, Top = 5 }
                 },
-                new KiaiMenuFountains(),
+                // For now, this is too much alongside the seasonal lighting.
+                SeasonalUIConfig.ENABLED ? Empty() : new KiaiMenuFountains(),
                 bottomElementsFlow = new FillFlowContainer
                 {
                     AutoSizeAxes = Axes.Both,

osu.Game/Screens/Menu/MenuLogoVisualisation.cs

@@ -1,21 +1,19 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-#nullable disable
-
-using osuTK.Graphics;
-using osu.Game.Skinning;
-using osu.Game.Online.API;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
+using osu.Game.Online.API;
 using osu.Game.Online.API.Requests.Responses;
+using osu.Game.Skinning;
+using osuTK.Graphics;
 
 namespace osu.Game.Screens.Menu
 {
-    internal partial class MenuLogoVisualisation : LogoVisualisation
+    public partial class MenuLogoVisualisation : LogoVisualisation
     {
-        private IBindable<APIUser> user;
+        private IBindable<APIUser> user = null!;
-        private Bindable<Skin> skin;
+        private Bindable<Skin> skin = null!;
 
         [BackgroundDependencyLoader]
         private void load(IAPIProvider api, SkinManager skinManager)
@@ -23,11 +21,11 @@ namespace osu.Game.Screens.Menu
             user = api.LocalUser.GetBoundCopy();
             skin = skinManager.CurrentSkin.GetBoundCopy();
 
-            user.ValueChanged += _ => updateColour();
+            user.ValueChanged += _ => UpdateColour();
-            skin.BindValueChanged(_ => updateColour(), true);
+            skin.BindValueChanged(_ => UpdateColour(), true);
         }
 
-        private void updateColour()
+        protected virtual void UpdateColour()
         {
             if (user.Value?.IsSupporter ?? false)
                 Colour = skin.Value.GetConfig<GlobalSkinColours, Color4>(GlobalSkinColours.MenuGlow)?.Value ?? Color4.White;

osu.Game/Screens/Menu/MenuSideFlashes.cs

@@ -3,8 +3,10 @@
 
 #nullable disable
 
-using osuTK.Graphics;
+using System;
 using osu.Framework.Allocation;
+using osu.Framework.Audio.Track;
+using osu.Framework.Bindables;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Colour;
@@ -13,17 +15,19 @@ using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
-using osu.Game.Skinning;
 using osu.Game.Online.API;
-using System;
-using osu.Framework.Audio.Track;
-using osu.Framework.Bindables;
 using osu.Game.Online.API.Requests.Responses;
+using osu.Game.Skinning;
+using osuTK.Graphics;
 
 namespace osu.Game.Screens.Menu
 {
     public partial class MenuSideFlashes : BeatSyncedContainer
     {
+        protected virtual bool RefreshColoursEveryFlash => false;
+
+        protected virtual float Intensity => 2;
+
         private readonly IBindable<WorkingBeatmap> beatmap = new Bindable<WorkingBeatmap>();
 
         private Box leftBox;
@@ -67,7 +71,7 @@ namespace osu.Game.Screens.Menu
                     Anchor = Anchor.CentreLeft,
                     Origin = Anchor.CentreLeft,
                     RelativeSizeAxes = Axes.Y,
-                    Width = box_width * 2,
+                    Width = box_width * Intensity,
                     Height = 1.5f,
                     // align off-screen to make sure our edges don't become visible during parallax.
                     X = -box_width,
@@ -79,7 +83,7 @@ namespace osu.Game.Screens.Menu
                     Anchor = Anchor.CentreRight,
                     Origin = Anchor.CentreRight,
                     RelativeSizeAxes = Axes.Y,
-                    Width = box_width * 2,
+                    Width = box_width * Intensity,
                     Height = 1.5f,
                     X = box_width,
                     Alpha = 0,
@@ -87,8 +91,11 @@ namespace osu.Game.Screens.Menu
                 }
             };
 
-            user.ValueChanged += _ => updateColour();
+            if (!RefreshColoursEveryFlash)
-            skin.BindValueChanged(_ => updateColour(), true);
+            {
+                user.ValueChanged += _ => updateColour();
+                skin.BindValueChanged(_ => updateColour(), true);
+            }
         }
 
         protected override void OnNewBeat(int beatIndex, TimingControlPoint timingPoint, EffectControlPoint effectPoint, ChannelAmplitudes amplitudes)
@@ -104,18 +111,28 @@ namespace osu.Game.Screens.Menu
 
         private void flash(Drawable d, double beatLength, bool kiai, ChannelAmplitudes amplitudes)
         {
-            d.FadeTo(Math.Max(0, ((ReferenceEquals(d, leftBox) ? amplitudes.LeftChannel : amplitudes.RightChannel) - amplitude_dead_zone) / (kiai ? kiai_multiplier : alpha_multiplier)), box_fade_in_time)
+            if (RefreshColoursEveryFlash)
+                updateColour();
+
+            d.FadeTo(Math.Clamp(0.1f + ((ReferenceEquals(d, leftBox) ? amplitudes.LeftChannel : amplitudes.RightChannel) - amplitude_dead_zone) / (kiai ? kiai_multiplier : alpha_multiplier), 0.1f, 1),
+                 box_fade_in_time)
              .Then()
              .FadeOut(beatLength, Easing.In);
         }
 
-        private void updateColour()
+        protected virtual Color4 GetBaseColour()
         {
             Color4 baseColour = colours.Blue;
 
             if (user.Value?.IsSupporter ?? false)
                 baseColour = skin.Value.GetConfig<GlobalSkinColours, Color4>(GlobalSkinColours.MenuGlow)?.Value ?? baseColour;
 
+            return baseColour;
+        }
+
+        private void updateColour()
+        {
+            var baseColour = GetBaseColour();
             // linear colour looks better in this case, so let's use it for now.
             Color4 gradientDark = baseColour.Opacity(0).ToLinear();
             Color4 gradientLight = baseColour.Opacity(0.6f).ToLinear();

osu.Game/Screens/Menu/MenuTip.cs

@@ -122,7 +122,8 @@ namespace osu.Game.Screens.Menu
                 MenuTipStrings.RandomSkinShortcut,
                 MenuTipStrings.ToggleReplaySettingsShortcut,
                 MenuTipStrings.CopyModsFromScore,
-                MenuTipStrings.AutoplayBeatmapShortcut
+                MenuTipStrings.AutoplayBeatmapShortcut,
+                MenuTipStrings.LazerIsNotAWord
             };
 
             return tips[RNG.Next(0, tips.Length)];

osu.Game/Screens/Menu/OsuLogo.cs

@@ -53,8 +53,12 @@ namespace osu.Game.Screens.Menu
         private Sample sampleClick;
         private SampleChannel sampleClickChannel;
 
-        private Sample sampleBeat;
+        protected virtual MenuLogoVisualisation CreateMenuLogoVisualisation() => new MenuLogoVisualisation();
-        private Sample sampleDownbeat;
+
+        protected virtual double BeatSampleVariance => 0.1;
+
+        protected Sample SampleBeat;
+        protected Sample SampleDownbeat;
 
         private readonly Container colourAndTriangles;
         private readonly TrianglesV2 triangles;
@@ -151,15 +155,15 @@ namespace osu.Game.Screens.Menu
                                             AutoSizeAxes = Axes.Both,
                                             Children = new Drawable[]
                                             {
-                                                visualizer = new MenuLogoVisualisation
+                                                visualizer = CreateMenuLogoVisualisation().With(v =>
                                                 {
-                                                    RelativeSizeAxes = Axes.Both,
+                                                    v.RelativeSizeAxes = Axes.Both;
-                                                    Origin = Anchor.Centre,
+                                                    v.Origin = Anchor.Centre;
-                                                    Anchor = Anchor.Centre,
+                                                    v.Anchor = Anchor.Centre;
-                                                    Alpha = visualizer_default_alpha,
+                                                    v.Alpha = visualizer_default_alpha;
-                                                    Size = SCALE_ADJUST
+                                                    v.Size = SCALE_ADJUST;
-                                                },
+                                                }),
-                                                new Container
+                                                LogoElements = new Container
                                                 {
                                                     AutoSizeAxes = Axes.Both,
                                                     Children = new Drawable[]
@@ -243,6 +247,8 @@ namespace osu.Game.Screens.Menu
             };
         }
 
+        public Container LogoElements { get; private set; }
+
         /// <summary>
         /// Schedule a new external animation. Handled queueing and finishing previous animations in a sane way.
         /// </summary>
@@ -271,8 +277,9 @@ namespace osu.Game.Screens.Menu
         private void load(TextureStore textures, AudioManager audio)
         {
             sampleClick = audio.Samples.Get(@"Menu/osu-logo-select");
-            sampleBeat = audio.Samples.Get(@"Menu/osu-logo-heartbeat");
+
-            sampleDownbeat = audio.Samples.Get(@"Menu/osu-logo-downbeat");
+            SampleBeat = audio.Samples.Get(@"Menu/osu-logo-heartbeat");
+            SampleDownbeat = audio.Samples.Get(@"Menu/osu-logo-downbeat");
 
             logo.Texture = textures.Get(@"Menu/logo");
             ripple.Texture = textures.Get(@"Menu/logo");
@@ -298,12 +305,13 @@ namespace osu.Game.Screens.Menu
                 {
                     if (beatIndex % timingPoint.TimeSignature.Numerator == 0)
                     {
-                        sampleDownbeat?.Play();
+                        SampleDownbeat?.Play();
                     }
                     else
                     {
-                        var channel = sampleBeat.GetChannel();
+                        var channel = SampleBeat.GetChannel();
-                        channel.Frequency.Value = 0.95 + RNG.NextDouble(0.1);
+
+                        channel.Frequency.Value = 1 - BeatSampleVariance / 2 + RNG.NextDouble(BeatSampleVariance);
                         channel.Play();
                     }
                 });

osu.Game/Screens/Play/HUD/ModDisplay.cs

@@ -8,7 +8,9 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.UserInterface;
 using osu.Framework.Input.Events;
+using osu.Framework.Localisation;
 using osu.Game.Graphics.Containers;
+using osu.Game.Localisation.SkinComponents;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.UI;
 using osuTK;
@@ -20,9 +22,24 @@ namespace osu.Game.Screens.Play.HUD
     /// </summary>
     public partial class ModDisplay : CompositeDrawable, IHasCurrentValue<IReadOnlyList<Mod>>
     {
-        private const int fade_duration = 1000;
+        public const float MOD_ICON_SCALE = 0.6f;
 
-        public ExpansionMode ExpansionMode = ExpansionMode.ExpandOnHover;
+        private ExpansionMode expansionMode = ExpansionMode.ExpandOnHover;
+
+        public ExpansionMode ExpansionMode
+        {
+            get => expansionMode;
+            set
+            {
+                if (expansionMode == value)
+                    return;
+
+                expansionMode = value;
+
+                if (IsLoaded)
+                    updateExpansionMode();
+            }
+        }
 
         private readonly BindableWithCurrent<IReadOnlyList<Mod>> current = new BindableWithCurrent<IReadOnlyList<Mod>>(Array.Empty<Mod>());
 
@@ -37,7 +54,19 @@ namespace osu.Game.Screens.Play.HUD
             }
         }
 
-        private readonly bool showExtendedInformation;
+        private bool showExtendedInformation;
+
+        public bool ShowExtendedInformation
+        {
+            get => showExtendedInformation;
+            set
+            {
+                showExtendedInformation = value;
+                foreach (var icon in iconsContainer)
+                    icon.ShowExtendedInformation = value;
+            }
+        }
+
         private readonly FillFlowContainer<ModIcon> iconsContainer;
 
         public ModDisplay(bool showExtendedInformation = true)
@@ -58,11 +87,7 @@ namespace osu.Game.Screens.Play.HUD
             base.LoadComplete();
 
             Current.BindValueChanged(updateDisplay, true);
-
+            updateExpansionMode(0);
-            iconsContainer.FadeInFromZero(fade_duration, Easing.OutQuint);
-
-            if (ExpansionMode == ExpansionMode.AlwaysExpanded || ExpansionMode == ExpansionMode.AlwaysContracted)
-                FinishTransforms(true);
         }
 
         private void updateDisplay(ValueChangedEvent<IReadOnlyList<Mod>> mods)
@@ -70,29 +95,40 @@ namespace osu.Game.Screens.Play.HUD
             iconsContainer.Clear();
 
             foreach (Mod mod in mods.NewValue.AsOrdered())
-                iconsContainer.Add(new ModIcon(mod, showExtendedInformation: showExtendedInformation) { Scale = new Vector2(0.6f) });
+                iconsContainer.Add(new ModIcon(mod, showExtendedInformation: showExtendedInformation) { Scale = new Vector2(MOD_ICON_SCALE) });
-
-            appearTransform();
         }
 
-        private void appearTransform()
+        private void updateExpansionMode(double duration = 500)
         {
-            expand();
+            switch (expansionMode)
+            {
+                case ExpansionMode.AlwaysExpanded:
+                    expand(duration);
+                    break;
 
-            using (iconsContainer.BeginDelayedSequence(1200))
+                case ExpansionMode.AlwaysContracted:
-                contract();
+                    contract(duration);
+                    break;
+
+                case ExpansionMode.ExpandOnHover:
+                    if (IsHovered)
+                        expand(duration);
+                    else
+                        contract(duration);
+                    break;
+            }
         }
 
-        private void expand()
+        private void expand(double duration = 500)
         {
             if (ExpansionMode != ExpansionMode.AlwaysContracted)
-                iconsContainer.TransformSpacingTo(new Vector2(5, 0), 500, Easing.OutQuint);
+                iconsContainer.TransformSpacingTo(new Vector2(5, 0), duration, Easing.OutQuint);
         }
 
-        private void contract()
+        private void contract(double duration = 500)
         {
             if (ExpansionMode != ExpansionMode.AlwaysExpanded)
-                iconsContainer.TransformSpacingTo(new Vector2(-25, 0), 500, Easing.OutQuint);
+                iconsContainer.TransformSpacingTo(new Vector2(-25, 0), duration, Easing.OutQuint);
         }
 
         protected override bool OnHover(HoverEvent e)
@@ -113,16 +149,19 @@ namespace osu.Game.Screens.Play.HUD
         /// <summary>
         /// The <see cref="ModDisplay"/> will expand only when hovered.
         /// </summary>
+        [LocalisableDescription(typeof(SkinnableModDisplayStrings), nameof(SkinnableModDisplayStrings.ExpandOnHover))]
         ExpandOnHover,
 
         /// <summary>
         /// The <see cref="ModDisplay"/> will always be expanded.
         /// </summary>
+        [LocalisableDescription(typeof(SkinnableModDisplayStrings), nameof(SkinnableModDisplayStrings.AlwaysExpanded))]
         AlwaysExpanded,
 
         /// <summary>
         /// The <see cref="ModDisplay"/> will always be contracted.
         /// </summary>
-        AlwaysContracted
+        [LocalisableDescription(typeof(SkinnableModDisplayStrings), nameof(SkinnableModDisplayStrings.AlwaysContracted))]
+        AlwaysContracted,
     }
 }

osu.Game/Screens/Play/HUD/SkinnableModDisplay.cs

@@ -0,0 +1,59 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Configuration;
+using osu.Game.Localisation.SkinComponents;
+using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.UI;
+using osu.Game.Skinning;
+
+namespace osu.Game.Screens.Play.HUD
+{
+    /// <summary>
+    /// Displays a single-line horizontal auto-sized flow of mods. For cases where wrapping is required, use <see cref="ModFlowDisplay"/> instead.
+    /// </summary>
+    public partial class SkinnableModDisplay : CompositeDrawable, ISerialisableDrawable
+    {
+        private ModDisplay modDisplay = null!;
+
+        [Resolved]
+        private Bindable<IReadOnlyList<Mod>> mods { get; set; } = null!;
+
+        [SettingSource(typeof(SkinnableModDisplayStrings), nameof(SkinnableModDisplayStrings.ShowExtendedInformation), nameof(SkinnableModDisplayStrings.ShowExtendedInformationDescription))]
+        public Bindable<bool> ShowExtendedInformation { get; } = new Bindable<bool>(true);
+
+        [SettingSource(typeof(SkinnableModDisplayStrings), nameof(SkinnableModDisplayStrings.ExpansionMode), nameof(SkinnableModDisplayStrings.ExpansionModeDescription))]
+        public Bindable<ExpansionMode> ExpansionModeSetting { get; } = new Bindable<ExpansionMode>();
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            InternalChildren = new Drawable[]
+            {
+                // Provide a minimum autosize.
+                new Container { Size = ModIcon.MOD_ICON_SIZE * ModDisplay.MOD_ICON_SCALE },
+                modDisplay = new ModDisplay(),
+            };
+
+            modDisplay.Current = mods;
+            AutoSizeAxes = Axes.Both;
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            ShowExtendedInformation.BindValueChanged(_ => modDisplay.ShowExtendedInformation = ShowExtendedInformation.Value, true);
+            ExpansionModeSetting.BindValueChanged(_ => modDisplay.ExpansionMode = ExpansionModeSetting.Value, true);
+
+            FinishTransforms(true);
+        }
+
+        public bool UsesFixedAnchor { get; set; }
+    }
+}

osu.Game/Screens/Play/HUDOverlay.cs

@@ -85,7 +85,6 @@ namespace osu.Game.Screens.Play
         private readonly BindableBool replayLoaded = new BindableBool();
 
         private static bool hasShownNotificationOnce;
-
         private readonly FillFlowContainer bottomRightElements;
 
         internal readonly FillFlowContainer TopRightElements;
@@ -238,7 +237,7 @@ namespace osu.Game.Screens.Play
             {
                 if (e.NewValue)
                 {
-                    ModDisplay.FadeIn(200);
+                    ModDisplay.FadeIn(1000, FADE_EASING);
                     InputCountController.Margin = new MarginPadding(10) { Bottom = 30 };
                 }
                 else
@@ -249,6 +248,9 @@ namespace osu.Game.Screens.Play
 
                 updateVisibility();
             }, true);
+
+            ModDisplay.ExpansionMode = ExpansionMode.AlwaysExpanded;
+            Scheduler.AddDelayed(() => ModDisplay.ExpansionMode = ExpansionMode.ExpandOnHover, 1200);
         }
 
         protected override void Update()

osu.Game/Screens/Play/Player.cs

@@ -1021,7 +1021,7 @@ namespace osu.Game.Screens.Play
         private double? lastPauseActionTime;
 
         protected bool PauseCooldownActive =>
-            lastPauseActionTime.HasValue && GameplayClockContainer.CurrentTime < lastPauseActionTime + PauseCooldownDuration;
+            PlayingState.Value == LocalUserPlayingState.Playing && lastPauseActionTime.HasValue && GameplayClockContainer.CurrentTime < lastPauseActionTime + PauseCooldownDuration;
 
         /// <summary>
         /// A set of conditionals which defines whether the current game state and configuration allows for

osu.Game/Seasonal/IntroChristmas.cs

@@ -0,0 +1,332 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using osu.Framework.Allocation;
+using osu.Framework.Audio.Track;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Graphics.Textures;
+using osu.Framework.Screens;
+using osu.Framework.Timing;
+using osu.Framework.Utils;
+using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Containers;
+using osu.Game.Graphics.Sprites;
+using osu.Game.Screens.Menu;
+using osuTK;
+using osuTK.Graphics;
+
+namespace osu.Game.Seasonal
+{
+    public partial class IntroChristmas : IntroScreen
+    {
+        // nekodex - circle the halls
+        public const string CHRISTMAS_BEATMAP_SET_HASH = "7e26183e72a496f672c3a21292e6b469fdecd084d31c259ea10a31df5b46cd77";
+
+        protected override string BeatmapHash => CHRISTMAS_BEATMAP_SET_HASH;
+
+        protected override string BeatmapFile => "christmas2024.osz";
+
+        private const double beat_length = 60000 / 172.0;
+        private const double offset = 5924;
+
+        protected override string SeeyaSampleName => "Intro/Welcome/seeya";
+
+        private TrianglesIntroSequence intro = null!;
+
+        public IntroChristmas(Func<MainMenu>? createNextScreen = null)
+            : base(createNextScreen)
+        {
+        }
+
+        protected override void LogoArriving(OsuLogo logo, bool resuming)
+        {
+            base.LogoArriving(logo, resuming);
+
+            if (!resuming)
+            {
+                PrepareMenuLoad();
+
+                var decouplingClock = new DecouplingFramedClock(UsingThemedIntro ? Track : null);
+
+                LoadComponentAsync(intro = new TrianglesIntroSequence(logo, () => FadeInBackground())
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Clock = new InterpolatingFramedClock(decouplingClock),
+                    LoadMenu = LoadMenu
+                }, _ =>
+                {
+                    AddInternal(intro);
+
+                    // There is a chance that the intro timed out before being displayed, and this scheduled callback could
+                    // happen during the outro rather than intro.
+                    // In such a scenario, we don't want to play the intro sample, nor attempt to start the intro track
+                    // (that may have already been since disposed by MusicController).
+                    if (DidLoadMenu)
+                        return;
+
+                    // If the user has requested no theme, fallback to the same intro voice and delay as IntroCircles.
+                    // The triangles intro voice and theme are combined which makes it impossible to use.
+                    StartTrack();
+
+                    // no-op for the case of themed intro, no harm in calling for both scenarios as a safety measure.
+                    decouplingClock.Start();
+                });
+            }
+        }
+
+        public override void OnSuspending(ScreenTransitionEvent e)
+        {
+            base.OnSuspending(e);
+
+            // important as there is a clock attached to a track which will likely be disposed before returning to this screen.
+            intro.Expire();
+        }
+
+        private partial class TrianglesIntroSequence : CompositeDrawable
+        {
+            private readonly OsuLogo logo;
+            private readonly Action showBackgroundAction;
+            private OsuSpriteText welcomeText = null!;
+
+            private Container logoContainerSecondary = null!;
+            private LazerLogo lazerLogo = null!;
+
+            private Drawable triangles = null!;
+
+            public Action LoadMenu = null!;
+
+            [Resolved]
+            private OsuGameBase game { get; set; } = null!;
+
+            public TrianglesIntroSequence(OsuLogo logo, Action showBackgroundAction)
+            {
+                this.logo = logo;
+                this.showBackgroundAction = showBackgroundAction;
+            }
+
+            [BackgroundDependencyLoader]
+            private void load()
+            {
+                InternalChildren = new[]
+                {
+                    welcomeText = new OsuSpriteText
+                    {
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                        Padding = new MarginPadding { Bottom = 10 },
+                        Font = OsuFont.GetFont(weight: FontWeight.Light, size: 42),
+                        Alpha = 1,
+                        Spacing = new Vector2(5),
+                    },
+                    logoContainerSecondary = new Container
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                        Child = lazerLogo = new LazerLogo
+                        {
+                            Anchor = Anchor.Centre,
+                            Origin = Anchor.Centre
+                        }
+                    },
+                    triangles = new CircularContainer
+                    {
+                        Alpha = 0,
+                        Masking = true,
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                        Size = new Vector2(960),
+                        Child = new GlitchingTriangles
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                        },
+                    }
+                };
+            }
+
+            private static double getTimeForBeat(int beat) => offset + beat_length * beat;
+
+            protected override void LoadComplete()
+            {
+                base.LoadComplete();
+
+                lazerLogo.Hide();
+
+                using (BeginAbsoluteSequence(0))
+                {
+                    using (BeginDelayedSequence(getTimeForBeat(-16)))
+                        welcomeText.FadeIn().OnComplete(t => t.Text = "welcome to osu!");
+
+                    using (BeginDelayedSequence(getTimeForBeat(-15)))
+                        welcomeText.FadeIn().OnComplete(t => t.Text = "");
+
+                    using (BeginDelayedSequence(getTimeForBeat(-14)))
+                        welcomeText.FadeIn().OnComplete(t => t.Text = "welcome to osu!");
+
+                    using (BeginDelayedSequence(getTimeForBeat(-13)))
+                        welcomeText.FadeIn().OnComplete(t => t.Text = "");
+
+                    using (BeginDelayedSequence(getTimeForBeat(-12)))
+                        welcomeText.FadeIn().OnComplete(t => t.Text = "merry christmas!");
+
+                    using (BeginDelayedSequence(getTimeForBeat(-11)))
+                        welcomeText.FadeIn().OnComplete(t => t.Text = "");
+
+                    using (BeginDelayedSequence(getTimeForBeat(-10)))
+                        welcomeText.FadeIn().OnComplete(t => t.Text = "merry osumas!");
+
+                    using (BeginDelayedSequence(getTimeForBeat(-9)))
+                    {
+                        welcomeText.FadeIn().OnComplete(t => t.Text = "");
+                    }
+
+                    lazerLogo.Scale = new Vector2(0.2f);
+                    triangles.Scale = new Vector2(0.2f);
+
+                    for (int i = 0; i < 8; i++)
+                    {
+                        using (BeginDelayedSequence(getTimeForBeat(-8 + i)))
+                        {
+                            triangles.FadeIn();
+
+                            lazerLogo.ScaleTo(new Vector2(0.2f + (i + 1) / 8f * 0.3f), beat_length * 1, Easing.OutQuint);
+                            triangles.ScaleTo(new Vector2(0.2f + (i + 1) / 8f * 0.3f), beat_length * 1, Easing.OutQuint);
+                            lazerLogo.FadeTo((i + 1) * 0.06f);
+                            lazerLogo.TransformTo(nameof(LazerLogo.Progress), (i + 1) / 10f);
+                        }
+                    }
+
+                    GameWideFlash flash = new GameWideFlash();
+
+                    using (BeginDelayedSequence(getTimeForBeat(-2)))
+                    {
+                        lazerLogo.FadeIn().OnComplete(_ => game.Add(flash));
+                    }
+
+                    flash.FadeInCompleted = () =>
+                    {
+                        logoContainerSecondary.Remove(lazerLogo, true);
+                        triangles.FadeOut();
+                        logo.FadeIn();
+                        showBackgroundAction();
+                        LoadMenu();
+                    };
+                }
+            }
+
+            private partial class GameWideFlash : Box
+            {
+                public Action? FadeInCompleted;
+
+                public GameWideFlash()
+                {
+                    Colour = Color4.White;
+                    RelativeSizeAxes = Axes.Both;
+                    Blending = BlendingParameters.Additive;
+                }
+
+                protected override void LoadComplete()
+                {
+                    base.LoadComplete();
+
+                    Alpha = 0;
+
+                    this.FadeTo(0.5f, beat_length * 2, Easing.In)
+                        .OnComplete(_ => FadeInCompleted?.Invoke());
+
+                    this.Delay(beat_length * 2)
+                        .Then()
+                        .FadeOutFromOne(3000, Easing.OutQuint);
+                }
+            }
+
+            private partial class LazerLogo : CompositeDrawable
+            {
+                private LogoAnimation highlight = null!;
+                private LogoAnimation background = null!;
+
+                public float Progress
+                {
+                    get => background.AnimationProgress;
+                    set
+                    {
+                        background.AnimationProgress = value;
+                        highlight.AnimationProgress = value;
+                    }
+                }
+
+                public LazerLogo()
+                {
+                    Size = new Vector2(960);
+                }
+
+                [BackgroundDependencyLoader]
+                private void load(LargeTextureStore textures)
+                {
+                    InternalChildren = new Drawable[]
+                    {
+                        highlight = new LogoAnimation
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            Texture = textures.Get(@"Intro/Triangles/logo-highlight"),
+                            Colour = Color4.White,
+                        },
+                        background = new LogoAnimation
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            Texture = textures.Get(@"Intro/Triangles/logo-background"),
+                            Colour = OsuColour.Gray(0.6f),
+                        },
+                    };
+                }
+            }
+
+            private partial class GlitchingTriangles : BeatSyncedContainer
+            {
+                private int beatsHandled;
+
+                protected override void OnNewBeat(int beatIndex, TimingControlPoint timingPoint, EffectControlPoint effectPoint, ChannelAmplitudes amplitudes)
+                {
+                    base.OnNewBeat(beatIndex, timingPoint, effectPoint, amplitudes);
+
+                    Divisor = beatsHandled < 4 ? 1 : 4;
+
+                    for (int i = 0; i < (beatsHandled + 1); i++)
+                    {
+                        float angle = (float)(RNG.NextDouble() * 2 * Math.PI);
+                        float randomRadius = (float)(Math.Sqrt(RNG.NextDouble()));
+
+                        float x = 0.5f + 0.5f * randomRadius * (float)Math.Cos(angle);
+                        float y = 0.5f + 0.5f * randomRadius * (float)Math.Sin(angle);
+
+                        Color4 christmasColour = RNG.NextBool() ? SeasonalUIConfig.PRIMARY_COLOUR_1 : SeasonalUIConfig.PRIMARY_COLOUR_2;
+
+                        Drawable triangle = new Triangle
+                        {
+                            Size = new Vector2(RNG.NextSingle() + 1.2f) * 80,
+                            Origin = Anchor.Centre,
+                            RelativePositionAxes = Axes.Both,
+                            Position = new Vector2(x, y),
+                            Colour = christmasColour
+                        };
+
+                        if (beatsHandled >= 10)
+                            triangle.Blending = BlendingParameters.Additive;
+
+                        AddInternal(triangle);
+                        triangle
+                            .ScaleTo(0.9f)
+                            .ScaleTo(1, beat_length / 2, Easing.Out);
+                        triangle.FadeInFromZero(100, Easing.OutQuint);
+                    }
+
+                    beatsHandled += 1;
+                }
+            }
+        }
+    }
+}

osu.Game/Seasonal/MainMenuSeasonalLighting.cs

@@ -0,0 +1,206 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Effects;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Timing;
+using osu.Framework.Utils;
+using osu.Game.Audio;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Types;
+using osuTK;
+using osuTK.Graphics;
+
+namespace osu.Game.Seasonal
+{
+    public partial class MainMenuSeasonalLighting : CompositeDrawable
+    {
+        private IBindable<WorkingBeatmap> working = null!;
+
+        private InterpolatingFramedClock? beatmapClock;
+
+        private List<HitObject> hitObjects = null!;
+
+        private RulesetInfo? osuRuleset;
+
+        private int? lastObjectIndex;
+
+        public MainMenuSeasonalLighting()
+        {
+            // match beatmap playfield
+            RelativeChildSize = new Vector2(512, 384);
+
+            RelativeSizeAxes = Axes.X;
+
+            Anchor = Anchor.Centre;
+            Origin = Anchor.Centre;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(IBindable<WorkingBeatmap> working, RulesetStore rulesets)
+        {
+            // operate in osu! ruleset to keep things simple for now.
+            osuRuleset = rulesets.GetRuleset(0);
+
+            this.working = working.GetBoundCopy();
+            this.working.BindValueChanged(_ => Scheduler.AddOnce(updateBeatmap), true);
+        }
+
+        private void updateBeatmap()
+        {
+            lastObjectIndex = null;
+
+            if (osuRuleset == null)
+            {
+                beatmapClock = new InterpolatingFramedClock(Clock);
+                hitObjects = new List<HitObject>();
+                return;
+            }
+
+            // Intentionally maintain separately so the lighting is not in audio clock space (it shouldn't rewind etc.)
+            beatmapClock = new InterpolatingFramedClock(new FramedClock(working.Value.Track));
+
+            hitObjects = working.Value
+                                .GetPlayableBeatmap(osuRuleset)
+                                .HitObjects
+                                .SelectMany(h => h.NestedHitObjects.Prepend(h))
+                                .OrderBy(h => h.StartTime)
+                                .ToList();
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            if (osuRuleset == null || beatmapClock == null)
+                return;
+
+            Height = DrawWidth / 16 * 10;
+
+            beatmapClock.ProcessFrame();
+
+            // intentionally slightly early since we are doing fades on the lighting.
+            double time = beatmapClock.CurrentTime + 50;
+
+            // handle seeks or OOB by skipping to current.
+            if (lastObjectIndex == null || lastObjectIndex >= hitObjects.Count || (lastObjectIndex >= 0 && hitObjects[lastObjectIndex.Value].StartTime > time)
+                || Math.Abs(beatmapClock.ElapsedFrameTime) > 500)
+                lastObjectIndex = hitObjects.Count(h => h.StartTime < time) - 1;
+
+            while (lastObjectIndex < hitObjects.Count - 1)
+            {
+                var h = hitObjects[lastObjectIndex.Value + 1];
+
+                if (h.StartTime > time)
+                    break;
+
+                // Don't add lighting if the game is running too slow.
+                if (Clock.ElapsedFrameTime < 20)
+                    addLight(h);
+
+                lastObjectIndex++;
+            }
+        }
+
+        private void addLight(HitObject h)
+        {
+            var light = new Light
+            {
+                RelativePositionAxes = Axes.Both,
+                Position = ((IHasPosition)h).Position
+            };
+
+            AddInternal(light);
+
+            if (h.GetType().Name.Contains("Tick"))
+            {
+                light.Colour = SeasonalUIConfig.AMBIENT_COLOUR_1;
+                light.Scale = new Vector2(0.5f);
+                light
+                    .FadeInFromZero(250)
+                    .Then()
+                    .FadeOutFromOne(1000, Easing.Out);
+
+                light.MoveToOffset(new Vector2(RNG.Next(-20, 20), RNG.Next(-20, 20)), 1400, Easing.Out);
+            }
+            else
+            {
+                // default are green
+                Color4 col = SeasonalUIConfig.PRIMARY_COLOUR_2;
+
+                // whistles are red
+                if (h.Samples.Any(s => s.Name == HitSampleInfo.HIT_WHISTLE))
+                    col = SeasonalUIConfig.PRIMARY_COLOUR_1;
+                // clap is third ambient (yellow) colour
+                else if (h.Samples.Any(s => s.Name == HitSampleInfo.HIT_CLAP))
+                    col = SeasonalUIConfig.AMBIENT_COLOUR_1;
+
+                light.Colour = col;
+
+                // finish results in larger lighting
+                if (h.Samples.Any(s => s.Name == HitSampleInfo.HIT_FINISH))
+                    light.Scale = new Vector2(3);
+
+                light
+                    .FadeInFromZero(150)
+                    .Then()
+                    .FadeOutFromOne(1000, Easing.In);
+            }
+
+            light.Expire();
+        }
+
+        private partial class Light : CompositeDrawable
+        {
+            private readonly Circle circle;
+
+            public new Color4 Colour
+            {
+                set
+                {
+                    circle.Colour = value.Darken(0.8f);
+                    circle.EdgeEffect = new EdgeEffectParameters
+                    {
+                        Type = EdgeEffectType.Glow,
+                        Colour = value,
+                        Radius = 80,
+                    };
+                }
+            }
+
+            public Light()
+            {
+                InternalChildren = new Drawable[]
+                {
+                    circle = new Circle
+                    {
+                        Anchor = Anchor.Centre,
+                        Origin = Anchor.Centre,
+                        Size = new Vector2(12),
+                        Colour = SeasonalUIConfig.AMBIENT_COLOUR_1,
+                        Blending = BlendingParameters.Additive,
+                        EdgeEffect = new EdgeEffectParameters
+                        {
+                            Type = EdgeEffectType.Glow,
+                            Colour = SeasonalUIConfig.AMBIENT_COLOUR_2,
+                            Radius = 80,
+                        }
+                    }
+                };
+
+                Origin = Anchor.Centre;
+                Alpha = 0.5f;
+            }
+        }
+    }
+}

osu.Game/Seasonal/OsuLogoChristmas.cs

@@ -0,0 +1,76 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Allocation;
+using osu.Framework.Audio;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Textures;
+using osu.Game.Screens.Menu;
+using osuTK;
+
+namespace osu.Game.Seasonal
+{
+    public partial class OsuLogoChristmas : OsuLogo
+    {
+        protected override double BeatSampleVariance => 0.02;
+
+        private Sprite? hat;
+
+        private bool hasHat;
+
+        protected override MenuLogoVisualisation CreateMenuLogoVisualisation() => new SeasonalMenuLogoVisualisation();
+
+        [BackgroundDependencyLoader]
+        private void load(TextureStore textures, AudioManager audio)
+        {
+            LogoElements.Add(hat = new Sprite
+            {
+                BypassAutoSizeAxes = Axes.Both,
+                Alpha = 0,
+                Origin = Anchor.BottomCentre,
+                Scale = new Vector2(-1, 1),
+                Texture = textures.Get(@"Menu/hat"),
+            });
+
+            // override base samples with our preferred ones.
+            SampleDownbeat = SampleBeat = audio.Samples.Get(@"Menu/osu-logo-heartbeat-bell");
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+            updateHat();
+        }
+
+        private void updateHat()
+        {
+            if (hat == null)
+                return;
+
+            bool shouldHat = DrawWidth * Scale.X < 400;
+
+            if (shouldHat != hasHat)
+            {
+                hasHat = shouldHat;
+
+                if (hasHat)
+                {
+                    hat.Delay(400)
+                       .Then()
+                       .MoveTo(new Vector2(120, 160))
+                       .RotateTo(0)
+                       .RotateTo(-20, 500, Easing.OutQuint)
+                       .FadeIn(250, Easing.OutQuint);
+                }
+                else
+                {
+                    hat.Delay(100)
+                       .Then()
+                       .MoveToOffset(new Vector2(0, -5), 500, Easing.OutQuint)
+                       .FadeOut(500, Easing.OutQuint);
+                }
+            }
+        }
+    }
+}

osu.Game/Seasonal/SeasonalMenuLogoVisualisation.cs

@@ -0,0 +1,12 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Game.Screens.Menu;
+
+namespace osu.Game.Seasonal
+{
+    internal partial class SeasonalMenuLogoVisualisation : MenuLogoVisualisation
+    {
+        protected override void UpdateColour() => Colour = SeasonalUIConfig.AMBIENT_COLOUR_1;
+    }
+}

osu.Game/Seasonal/SeasonalMenuSideFlashes.cs

@@ -0,0 +1,18 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Utils;
+using osu.Game.Screens.Menu;
+using osuTK.Graphics;
+
+namespace osu.Game.Seasonal
+{
+    public partial class SeasonalMenuSideFlashes : MenuSideFlashes
+    {
+        protected override bool RefreshColoursEveryFlash => true;
+
+        protected override float Intensity => 4;
+
+        protected override Color4 GetBaseColour() => RNG.NextBool() ? SeasonalUIConfig.PRIMARY_COLOUR_1 : SeasonalUIConfig.PRIMARY_COLOUR_2;
+    }
+}

osu.Game/Seasonal/SeasonalUIConfig.cs

@@ -0,0 +1,24 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Extensions.Color4Extensions;
+using osuTK.Graphics;
+
+namespace osu.Game.Seasonal
+{
+    /// <summary>
+    /// General configuration setting for seasonal event adjustments to the game.
+    /// </summary>
+    public static class SeasonalUIConfig
+    {
+        public static readonly bool ENABLED = false;
+
+        public static readonly Color4 PRIMARY_COLOUR_1 = Color4Extensions.FromHex(@"D32F2F");
+
+        public static readonly Color4 PRIMARY_COLOUR_2 = Color4Extensions.FromHex(@"388E3C");
+
+        public static readonly Color4 AMBIENT_COLOUR_1 = Color4Extensions.FromHex(@"FFFFCC");
+
+        public static readonly Color4 AMBIENT_COLOUR_2 = Color4Extensions.FromHex(@"FFE4B5");
+    }
+}

osu.Game/osu.Game.csproj

@@ -35,8 +35,8 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Realm" Version="11.5.0" />
-    <PackageReference Include="ppy.osu.Framework" Version="2024.1220.0" />
+    <PackageReference Include="ppy.osu.Framework" Version="2024.1224.0" />
-    <PackageReference Include="ppy.osu.Game.Resources" Version="2024.1219.1" />
+    <PackageReference Include="ppy.osu.Game.Resources" Version="2024.1224.0" />
     <PackageReference Include="Sentry" Version="4.13.0" />
     <!-- Held back due to 0.34.0 failing AOT compilation on ZstdSharp.dll dependency. -->
     <PackageReference Include="SharpCompress" Version="0.38.0" />

osu.iOS.props

@@ -17,6 +17,6 @@
     <MtouchInterpreter>-all</MtouchInterpreter>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="ppy.osu.Framework.iOS" Version="2024.1220.0" />
+    <PackageReference Include="ppy.osu.Framework.iOS" Version="2024.1224.0" />
   </ItemGroup>
 </Project>

osu.iOS/AppDelegate.cs

@@ -0,0 +1,14 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using Foundation;
+using osu.Framework.iOS;
+
+namespace osu.iOS
+{
+    [Register("AppDelegate")]
+    public class AppDelegate : GameApplicationDelegate
+    {
+        protected override Framework.Game CreateGame() => new OsuGameIOS();
+    }
+}

osu.iOS/OsuGameIOS.cs

@@ -17,6 +17,8 @@ namespace osu.iOS
     {
         public override Version AssemblyVersion => new Version(NSBundle.MainBundle.InfoDictionary["CFBundleVersion"].ToString());
 
+        public override bool HideUnlicensedContent => true;
+
         protected override UpdateManager CreateUpdateManager() => new MobileUpdateNotifier();
 
         protected override BatteryInfo CreateBatteryInfo() => new IOSBatteryInfo();

osu.iOS/Program.cs

@@ -1,15 +1,15 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using osu.Framework.iOS;
+using UIKit;
 
 namespace osu.iOS
 {
-    public static class Application
+    public static class Program
     {
         public static void Main(string[] args)
         {
-            GameApplication.Main(new OsuGameIOS());
+            UIApplication.Main(args, null, typeof(AppDelegate));
         }
     }
 }