Basic avatar HUD implementation

osu.Game/Screens/Play/HUD/SkinnableAvatar.cs

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+// 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.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Configuration;
+using osu.Game.Skinning;
+using osu.Game.Users.Drawables;
+using osuTK;
+
+namespace osu.Game.Screens.Play.HUD
+{
+    public class SkinnableAvatar : CompositeDrawable, ISkinnableDrawable
+    {
+        [SettingSource("Corner radius", "How much the edges should be rounded.")]
+        public new BindableFloat CornerRadius { get; set; } = new BindableFloat(0)
+        {
+            MinValue = 0,
+            MaxValue = 100,
+            Precision = 0.01f
+        };
+
+        [Resolved]
+        private GameplayState gameplayState { get; set; } = null!;
+
+        private readonly UpdateableAvatar avatar;
+
+        public SkinnableAvatar()
+        {
+            Size = new Vector2(128f);
+            InternalChild = avatar = new UpdateableAvatar(isInteractive: false)
+            {
+                RelativeSizeAxes = Axes.Both,
+                Masking = true
+            };
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            avatar.User = gameplayState.Score.ScoreInfo.User;
+            CornerRadius.BindValueChanged(e => avatar.CornerRadius = e.NewValue);
+        }
+
+        public bool UsesFixedAnchor { get; set; }
+    }
+}