Refactor catcher sprite to use skinned piece pattern

osu.Game.Rulesets.Catch/Skinning/Default/DefaultCatcher.cs

@@ -0,0 +1,54 @@
+// 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 System.Collections.Generic;
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Textures;
+using osu.Game.Rulesets.Catch.UI;
+
+namespace osu.Game.Rulesets.Catch.Skinning.Default
+{
+    public class DefaultCatcher : CompositeDrawable, ICatcherPiece
+    {
+        public Bindable<CatcherAnimationState> CurrentState { get; } = new Bindable<CatcherAnimationState>();
+
+        public Texture CurrentTexture => sprite.Texture;
+
+        private readonly Sprite sprite;
+
+        private readonly Dictionary<CatcherAnimationState, Texture> textures = new Dictionary<CatcherAnimationState, Texture>();
+
+        public DefaultCatcher()
+        {
+            RelativeSizeAxes = Axes.Both;
+            InternalChild = sprite = new Sprite
+            {
+                Anchor = Anchor.TopCentre,
+                Origin = Anchor.TopCentre,
+                RelativeSizeAxes = Axes.Both,
+                FillMode = FillMode.Fit
+            };
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(TextureStore store, Bindable<CatcherAnimationState> currentState)
+        {
+            CurrentState.BindTo(currentState);
+
+            textures[CatcherAnimationState.Idle] = store.Get(@"Gameplay/catch/fruit-catcher-idle");
+            textures[CatcherAnimationState.Fail] = store.Get(@"Gameplay/catch/fruit-catcher-fail");
+            textures[CatcherAnimationState.Kiai] = store.Get(@"Gameplay/catch/fruit-catcher-kiai");
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            CurrentState.BindValueChanged(state => sprite.Texture = textures[state.NewValue], true);
+        }
+    }
+}