Split out new and old style legacy judgement pieces

osu.Game/Skinning/LegacyJudgementPieceOld.cs

@@ -0,0 +1,68 @@
+// 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;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Animations;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Scoring;
+using osuTK;
+
+namespace osu.Game.Skinning
+{
+    public class LegacyJudgementPieceOld : CompositeDrawable, IAnimatableJudgement
+    {
+        private readonly HitResult result;
+
+        private readonly float finalScale;
+
+        public LegacyJudgementPieceOld(HitResult result, Func<Drawable> createMainDrawable, float finalScale = 1f)
+        {
+            this.result = result;
+            this.finalScale = finalScale;
+
+            AutoSizeAxes = Axes.Both;
+            Origin = Anchor.Centre;
+
+            InternalChild = createMainDrawable();
+        }
+
+        public virtual void PlayAnimation()
+        {
+            var animation = InternalChild as IFramedAnimation;
+
+            animation?.GotoFrame(0);
+
+            this.RotateTo(0);
+            this.MoveTo(Vector2.Zero);
+
+            // legacy judgements don't play any transforms if they are an animation.
+            if (animation?.FrameCount > 1)
+                return;
+
+            switch (result)
+            {
+                case HitResult.Miss:
+                    this.ScaleTo(1.6f);
+                    this.ScaleTo(1, 100, Easing.In);
+
+                    this.MoveToOffset(new Vector2(0, 100), 800, Easing.InQuint);
+
+                    this.RotateTo(40, 800, Easing.InQuint);
+                    break;
+
+                default:
+                    const double animation_length = 120;
+
+                    this.ScaleTo(0.6f).Then()
+                        .ScaleTo(1.1f, animation_length * 0.8f).Then()
+                        // this is actually correct to match stable; there were overlapping transforms.
+                        .ScaleTo(0.9f).Delay(animation_length * 0.2f)
+                        .ScaleTo(1.1f).ScaleTo(0.9f, animation_length * 0.2f).Then()
+                        .ScaleTo(0.95f).ScaleTo(finalScale, animation_length * 0.2f);
+                    break;
+            }
+        }
+    }
+}