Move piece files of Taiko ruleset

osu.Game.Rulesets.Taiko/Skinning/Default/SwellSymbolPiece.cs

@@ -0,0 +1,52 @@
+// 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 osuTK;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+using osu.Game.Graphics;
+
+namespace osu.Game.Rulesets.Taiko.Objects.Drawables.Pieces
+{
+    public class SwellCirclePiece : CirclePiece
+    {
+        public SwellCirclePiece()
+        {
+            Add(new SwellSymbolPiece());
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            AccentColour = colours.YellowDark;
+        }
+
+        /// <summary>
+        /// The symbol used for swell pieces.
+        /// </summary>
+        public class SwellSymbolPiece : Container
+        {
+            public SwellSymbolPiece()
+            {
+                Anchor = Anchor.Centre;
+                Origin = Anchor.Centre;
+
+                RelativeSizeAxes = Axes.Both;
+                Size = new Vector2(SYMBOL_SIZE);
+                Padding = new MarginPadding(SYMBOL_BORDER);
+
+                Children = new[]
+                {
+                    new SpriteIcon
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Icon = FontAwesome.Solid.Asterisk,
+                        Shadow = false
+                    }
+                };
+            }
+        }
+    }
+}