feat: implement PlayerAvatar

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

@@ -0,0 +1,38 @@
+// 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.Game.Skinning;
+using osu.Game.Users.Drawables;
+using osuTK;
+
+namespace osu.Game.Screens.Play.HUD
+{
+    public partial class PlayerFlag : CompositeDrawable, ISerialisableDrawable
+    {
+        [Resolved]
+        private GameplayState gameplayState { get; set; } = null!;
+
+        private readonly UpdateableFlag flag;
+
+        public PlayerFlag()
+        {
+            Size = new Vector2(114, 80);
+            InternalChild = flag = new UpdateableFlag
+            {
+                RelativeSizeAxes = Axes.Both,
+            };
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            flag.CountryCode = gameplayState.Score.ScoreInfo.User.CountryCode;
+        }
+
+        public bool UsesFixedAnchor { get; set; }
+    }
+}