Merge pull request #30580 from peppy/song-select-less-semi-opaque

Reduce semi-opaque layers at song select

osu.Game/Screens/Select/BeatmapCarousel.cs

@@ -1116,11 +1116,6 @@ namespace osu.Game.Screens.Select
             // adjusting the item's overall X position can cause it to become masked away when
             // child items (difficulties) are still visible.
             item.Header.X = offsetX(dist, visibleHalfHeight) - (parent?.X ?? 0);
-
-            // We are applying a multiplicative alpha (which is internally done by nesting an
-            // additional container and setting that container's alpha) such that we can
-            // layer alpha transformations on top.
-            item.SetMultiplicativeAlpha(Math.Clamp(1.75f - 1.5f * dist, 0, 1));
         }
 
         private enum PendingScrollOperation

osu.Game/Screens/Select/Carousel/DrawableCarouselItem.cs

@@ -86,8 +86,6 @@ namespace osu.Game.Screens.Select.Carousel
             };
         }
 
-        public void SetMultiplicativeAlpha(float alpha) => Header.BorderContainer.Alpha = alpha;
-
         protected override void LoadComplete()
         {
             base.LoadComplete();

osu.Game/Screens/Select/FilterControl.cs

@@ -28,7 +28,6 @@ using osu.Game.Rulesets;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Screens.Select.Filter;
 using osuTK;
-using osuTK.Graphics;
 using osuTK.Input;
 
 namespace osu.Game.Screens.Select
@@ -97,8 +96,8 @@ namespace osu.Game.Screens.Select
             {
                 new Box
                 {
-                    Colour = Color4.Black,
-                    Alpha = 0.8f,
+                    Colour = OsuColour.Gray(0.05f),
+                    Alpha = 0.96f,
                     Width = 2,
                     RelativeSizeAxes = Axes.Both,
                 },

osu.Game/Screens/Select/Footer.cs

@@ -6,12 +6,11 @@
 using System.Collections.Generic;
 using System.Linq;
 using osuTK;
-using osuTK.Graphics;
-using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Input.Events;
+using osu.Game.Graphics;
 using osu.Game.Graphics.UserInterface;
 
 namespace osu.Game.Screens.Select
@@ -82,14 +81,15 @@ namespace osu.Game.Screens.Select
                 {
                     RelativeSizeAxes = Axes.Both,
                     Size = Vector2.One,
-                    Colour = Color4.Black.Opacity(0.5f),
+                    Colour = OsuColour.Gray(0.1f),
+                    Alpha = 0.96f,
                 },
                 modeLight = new Box
                 {
                     RelativeSizeAxes = Axes.X,
                     Height = 3,
                     Position = new Vector2(0, -3),
-                    Colour = Color4.Black,
+                    Colour = OsuColour.Gray(0.1f),
                 },
                 new FillFlowContainer
                 {