Add logo hat

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

@@ -4,22 +4,31 @@
 using NUnit.Framework;
 using osu.Framework.Graphics;
 using osu.Game.Screens.Menu;
+using osuTK;
 
 namespace osu.Game.Tests.Visual.UserInterface
 {
     public partial class TestSceneOsuLogo : OsuTestScene
     {
+        private OsuLogo? logo;
+
         [Test]
         public void TestBasic()
         {
             AddStep("Add logo", () =>
             {
-                Child = new OsuLogo
+                Child = logo = new OsuLogo
                 {
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
                 };
             });
+
+            AddSliderStep("scale", 0.1, 2, 1, scale =>
+            {
+                if (logo != null)
+                    Child.Scale = new Vector2((float)scale);
+            });
         }
     }
 }

osu.Game/Screens/Menu/OsuLogo.cs

@@ -4,6 +4,7 @@
 #nullable disable
 
 using System;
+using JetBrains.Annotations;
 using osu.Framework.Allocation;
 using osu.Framework.Audio;
 using osu.Framework.Audio.Sample;
@@ -211,6 +212,15 @@ namespace osu.Game.Screens.Menu
                                                             Anchor = Anchor.Centre,
                                                             Origin = Anchor.Centre,
                                                         },
+                                                        SeasonalUI.ENABLED
+                                                            ? hat = new Sprite
+                                                            {
+                                                                BypassAutoSizeAxes = Axes.Both,
+                                                                Alpha = 0,
+                                                                Origin = Anchor.BottomCentre,
+                                                                Scale = new Vector2(-1, 1),
+                                                            }
+                                                            : Empty(),
                                                     }
                                                 },
                                                 impactContainer = new CircularContainer
@@ -284,6 +294,8 @@ namespace osu.Game.Screens.Menu
 
             logo.Texture = textures.Get(@"Menu/logo");
             ripple.Texture = textures.Get(@"Menu/logo");
+            if (hat != null)
+                hat.Texture = textures.Get(@"Menu/hat");
         }
 
         private int lastBeatIndex;
@@ -369,6 +381,9 @@ namespace osu.Game.Screens.Menu
 
             const float scale_adjust_cutoff = 0.4f;
 
+            if (SeasonalUI.ENABLED)
+                updateHat();
+
             if (musicController.CurrentTrack.IsRunning)
             {
                 float maxAmplitude = lastBeatIndex >= 0 ? musicController.CurrentTrack.CurrentAmplitudes.Maximum : 0;
@@ -382,6 +397,38 @@ namespace osu.Game.Screens.Menu
             }
         }
 
+        private bool hasHat;
+
+        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);
+                }
+            }
+        }
+
         public override bool HandlePositionalInput => base.HandlePositionalInput && Alpha > 0.2f;
 
         protected override bool OnMouseDown(MouseDownEvent e)
@@ -459,6 +506,9 @@ namespace osu.Game.Screens.Menu
         private Container currentProxyTarget;
         private Drawable proxy;
 
+        [CanBeNull]
+        private readonly Sprite hat;
+
         public void StopSamplePlayback() => sampleClickChannel?.Stop();
 
         public Drawable ProxyToContainer(Container c)

osu.Game/osu.Game.csproj

@@ -36,7 +36,7 @@
     </PackageReference>
     <PackageReference Include="Realm" Version="11.5.0" />
     <PackageReference Include="ppy.osu.Framework" Version="2024.1206.0" />
-    <PackageReference Include="ppy.osu.Game.Resources" Version="2024.1219.0" />
+    <PackageReference Include="ppy.osu.Game.Resources" Version="2024.1219.1" />
     <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" />