Add drumroll skinning

osu.Game.Rulesets.Taiko.Tests/Skinning/TestSceneDrawableDrumRoll.cs

@@ -11,6 +11,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Rulesets.Taiko.Objects;
 using osu.Game.Rulesets.Taiko.Objects.Drawables;
+using osu.Game.Rulesets.Taiko.Skinning;
 using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Tests.Visual;
 
@@ -23,6 +24,7 @@ namespace osu.Game.Rulesets.Taiko.Tests.Skinning
         {
             typeof(DrawableDrumRoll),
             typeof(DrawableDrumRollTick),
+            typeof(LegacyDrumRoll),
         }).ToList();
 
         [Cached(typeof(IScrollingInfo))]

osu.Game.Rulesets.Taiko/Skinning/LegacyDrumRoll.cs

@@ -0,0 +1,110 @@
+// 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.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+using osu.Game.Graphics;
+using osu.Game.Skinning;
+using osuTK.Graphics;
+
+namespace osu.Game.Rulesets.Taiko.Skinning
+{
+    public class LegacyDrumRoll : Container, IHasAccentColour
+    {
+        protected override Container<Drawable> Content => content;
+
+        private Container content;
+
+        private LegacyCirclePiece headCircle;
+
+        private Sprite body;
+
+        private Sprite end;
+
+        public LegacyDrumRoll()
+        {
+            RelativeSizeAxes = Axes.Y;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(ISkinSource skin)
+        {
+            InternalChildren = new Drawable[]
+            {
+                content = new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Children = new Drawable[]
+                    {
+                        headCircle = new LegacyCirclePiece
+                        {
+                            Depth = float.MinValue,
+                            RelativeSizeAxes = Axes.Y,
+                            Anchor = Anchor.TopLeft,
+                            Origin = Anchor.TopLeft,
+                        },
+                        body = new Sprite
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            Texture = skin.GetTexture("taiko-roll-middle"),
+                        },
+                        end = new Sprite
+                        {
+                            Anchor = Anchor.CentreRight,
+                            Origin = Anchor.CentreLeft,
+                            RelativeSizeAxes = Axes.Both,
+                            Texture = skin.GetTexture("taiko-roll-end"),
+                            FillMode = FillMode.Fit,
+                        },
+                    },
+                },
+            };
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+            updateAccentColour();
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            var padding = Content.DrawHeight * Content.Width / 2;
+
+            Content.Padding = new MarginPadding
+            {
+                Left = padding,
+                Right = padding,
+            };
+
+            Width = Parent.DrawSize.X + DrawHeight;
+        }
+
+        private Color4 accentColour;
+
+        public Color4 AccentColour
+        {
+            get => accentColour;
+            set
+            {
+                if (value == accentColour)
+                    return;
+
+                accentColour = value;
+                if (IsLoaded)
+                    updateAccentColour();
+            }
+        }
+
+        private void updateAccentColour()
+        {
+            headCircle.AccentColour = accentColour;
+            body.Colour = accentColour;
+            end.Colour = accentColour;
+        }
+    }
+}

osu.Game.Rulesets.Taiko/Skinning/TaikoLegacySkinTransformer.cs

@@ -27,6 +27,12 @@ namespace osu.Game.Rulesets.Taiko.Skinning
 
             switch (taikoComponent.Component)
             {
+                case TaikoSkinComponents.DrumRollBody:
+                    if (GetTexture("taiko-roll-middle") != null)
+                        return new LegacyDrumRoll();
+
+                    return null;
+
                 case TaikoSkinComponents.InputDrum:
                     if (GetTexture("taiko-bar-left") != null)
                         return new LegacyInputDrum();