Bring all new song select components together

[frenzibyte]

• Depends on Use new font specifications in beatmap panels and apply minor adjustments #32839
• Depends on Add song select beatmap title wedge #32842
• Depends on Add song select beatmap metadata wedge #32843
• Depends on Add song select beatmap leaderboard display #32844
• Depends on Add song select filter control #32852
• Closes Design implementation pass of Song Select v2 #32715

Unlike in #32715, all functionality implemented to SongSelect has not been pushed here, as it increased the review overhead magnificently.

Below diff can be applied to test out song select with said functionality:

diff

diff --git a/osu.Game/Screens/SelectV2/BeatmapCarousel.cs b/osu.Game/Screens/SelectV2/BeatmapCarousel.cs
index 9cb7d152de..aae6809235 100644
--- a/osu.Game/Screens/SelectV2/BeatmapCarousel.cs
+++ b/osu.Game/Screens/SelectV2/BeatmapCarousel.cs
@@ -22,6 +22,7 @@ namespace osu.Game.Screens.SelectV2
     [Cached]
     public partial class BeatmapCarousel : Carousel<BeatmapInfo>
     {
+        public Action<BeatmapInfo>? RequestSelectBeatmap { private get; init; }
         public Action<BeatmapInfo>? RequestPresentBeatmap { private get; init; }
 
         public const float SPACING = 3f;
@@ -160,6 +161,8 @@ protected override void HandleItemSelected(object? model)
                     if (containingGroup != null)
                         setExpandedGroup(containingGroup);
                     setExpandedSet(beatmapInfo);
+
+                    RequestSelectBeatmap?.Invoke(beatmapInfo);
                     break;
             }
         }
diff --git a/osu.Game/Screens/SelectV2/SongSelect.cs b/osu.Game/Screens/SelectV2/SongSelect.cs
index 3144168712..c5971ed7f5 100644
--- a/osu.Game/Screens/SelectV2/SongSelect.cs
+++ b/osu.Game/Screens/SelectV2/SongSelect.cs
@@ -3,6 +3,7 @@
 
 using System.Collections.Generic;
 using osu.Framework.Allocation;
+using osu.Framework.Bindables;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Colour;
@@ -10,11 +11,13 @@
 using osu.Framework.Graphics.Cursor;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Screens;
+using osu.Game.Beatmaps;
 using osu.Game.Graphics.Containers;
 using osu.Game.Overlays;
 using osu.Game.Overlays.Mods;
 using osu.Game.Screens.Footer;
 using osu.Game.Screens.Menu;
+using osu.Game.Screens.Play;
 using osu.Game.Screens.Select;
 using osuTK;
 using osuTK.Graphics;
@@ -25,14 +28,16 @@ namespace osu.Game.Screens.SelectV2
     /// This screen is intended to house all components introduced in the new song select design to add transitions and examine the overall look.
     /// This will be gradually built upon and ultimately replace <see cref="Select.SongSelect"/> once everything is in place.
     /// </summary>
-    public abstract partial class SongSelect : OsuScreen
+    public abstract partial class SongSelect : ScreenWithBeatmapBackground
     {
         private const float logo_scale = 0.4f;
         private const double fade_duration = 300;
 
         public const float WEDGE_CONTENT_MARGIN = CORNER_RADIUS_HIDE_OFFSET + OsuGame.SCREEN_EDGE_MARGIN;
+
         public const float CORNER_RADIUS_HIDE_OFFSET = 20f;
-        public const float ENTER_DURATION = 600;
+
+        public const double ENTER_DURATION = 600;
 
         private readonly ModSelectOverlay modSelectOverlay = new UserModSelectOverlay(OverlayColourScheme.Aquamarine)
         {
@@ -51,9 +56,19 @@ public abstract partial class SongSelect : OsuScreen
 
         public override bool ShowFooter => true;
 
+        [Resolved]
+        private BeatmapManager beatmaps { get; set; } = null!;
+
         [Resolved]
         private OsuLogo? logo { get; set; }
 
+        public override IReadOnlyList<ScreenFooterButton> CreateFooterButtons() => new ScreenFooterButton[]
+        {
+            new FooterButtonMods(modSelectOverlay) { Current = Mods },
+            new FooterButtonRandom(),
+            new FooterButtonOptions(),
+        };
+
         [BackgroundDependencyLoader]
         private void load()
         {
@@ -124,6 +139,7 @@ private void load()
                                                         {
                                                             BleedTop = FilterControl.HEIGHT_FROM_SCREEN_TOP + 5,
                                                             BleedBottom = ScreenFooter.HEIGHT + 5,
+                                                            RequestSelectBeatmap = b => Beatmap.Value = beatmaps.GetWorkingBeatmap(b),
                                                             RequestPresentBeatmap = _ => OnStart(),
                                                             RelativeSizeAxes = Axes.Both,
                                                         },
@@ -147,35 +163,41 @@ private void load()
             });
         }
 
-        public override IReadOnlyList<ScreenFooterButton> CreateFooterButtons() => new ScreenFooterButton[]
-        {
-            new FooterButtonMods(modSelectOverlay) { Current = Mods },
-            new FooterButtonRandom(),
-            new FooterButtonOptions(),
-        };
-
-        protected override void LoadComplete()
+        /// <summary>
+        /// Set the query to the search text box.
+        /// </summary>
+        /// <param name="query">The string to search.</param>
+        public void Search(string query)
         {
-            base.LoadComplete();
-
-            modSelectOverlay.State.BindValueChanged(v =>
+            carousel.Filter(new FilterCriteria
             {
-                logo?.ScaleTo(v.NewValue == Visibility.Visible ? 0f : logo_scale, 400, Easing.OutQuint)
-                    .FadeTo(v.NewValue == Visibility.Visible ? 0f : 1f, 200, Easing.OutQuint);
-            }, true);
+                // TODO: this should only set the text of the current criteria, not use a completely new criteria.
+                SearchText = query,
+            });
         }
 
+        /// <summary>
+        /// Called when a selection is made.
+        /// </summary>
+        /// <returns>If a resultant action occurred that takes the user away from SongSelect.</returns>
+        protected abstract bool OnStart();
+
         public override void OnEntering(ScreenTransitionEvent e)
         {
             base.OnEntering(e);
 
             this.FadeIn();
 
+            Beatmap.BindValueChanged(onBeatmapChanged, true);
+
             titleWedge.Show();
             detailsArea.Show();
             filterControl.Show();
 
+            modSelectOverlay.State.BindValueChanged(onModSelectStateChanged, true);
             modSelectOverlay.SelectedMods.BindTo(Mods);
+
+            updateScreenBackground();
         }
 
         public override void OnResuming(ScreenTransitionEvent e)
@@ -193,6 +215,8 @@ public override void OnResuming(ScreenTransitionEvent e)
             // required due to https://github.com/ppy/osu-framework/issues/3218
             modSelectOverlay.SelectedMods.Disabled = false;
             modSelectOverlay.SelectedMods.BindTo(Mods);
+
+            updateScreenBackground();
         }
 
         public override void OnSuspending(ScreenTransitionEvent e)
@@ -244,12 +268,6 @@ protected override void LogoArriving(OsuLogo logo, bool resuming)
             };
         }
 
-        /// <summary>
-        /// Called when a selection is made.
-        /// </summary>
-        /// <returns>If a resultant action occurred that takes the user away from SongSelect.</returns>
-        protected abstract bool OnStart();
-
         protected override void LogoSuspending(OsuLogo logo)
         {
             base.LogoSuspending(logo);
@@ -264,19 +282,32 @@ protected override void LogoExiting(OsuLogo logo)
             logo.FadeOut(120, Easing.Out);
         }
 
-        /// <summary>
-        /// Set the query to the search text box.
-        /// </summary>
-        /// <param name="query">The string to search.</param>
-        public void Search(string query)
+        private void onBeatmapChanged(ValueChangedEvent<WorkingBeatmap> b)
         {
-            carousel.Filter(new FilterCriteria
+            if (this.IsCurrentScreen())
+                updateScreenBackground();
+        }
+
+        private void updateScreenBackground()
+        {
+            ApplyToBackground(backgroundModeBeatmap =>
             {
-                // TODO: this should only set the text of the current criteria, not use a completely new criteria.
-                SearchText = query,
+                backgroundModeBeatmap.Beatmap = Beatmap.Value;
+                backgroundModeBeatmap.DimWhenUserSettingsIgnored.Value = 0.25f;
+                backgroundModeBeatmap.BlurAmount.Value = 0f;
+                backgroundModeBeatmap.IgnoreUserSettings.Value = true;
+                backgroundModeBeatmap.FadeColour(Color4.White, 250);
             });
         }
 
+        private void onModSelectStateChanged(ValueChangedEvent<Visibility> v)
+        {
+            if (v.NewValue == Visibility.Visible)
+                logo?.ScaleTo(0f, 400, Easing.OutQuint).FadeTo(0f, 200, Easing.OutQuint);
+            else
+                logo?.ScaleTo(logo_scale, 400, Easing.OutQuint).FadeTo(1f, 200, Easing.OutQuint);
+        }
+
         protected override void Update()
         {
             base.Update();

Preview:

CleanShot.2025-04-18.at.08.48.16-converted.mp4

[cyperdark]

i don't know if it's right place to report, but scroll area for beatmap carousel is kinda far away on lower ui scalling, compare to current song select

1745311603_JarvYYYOQh.mp4

1745311903_ItScac8yCA.mp4

[peppy]

It's a valid concern. I'll add a mention in #32736.