Fix osu! judgements getting scaled twice over different durations

osu.Game.Rulesets.Mania/UI/DrawableManiaJudgement.cs

@@ -37,12 +37,11 @@ namespace osu.Game.Rulesets.Mania.UI
 
             public override void PlayAnimation()
             {
-                base.PlayAnimation();
-
                 switch (Result)
                 {
                     case HitResult.None:
                     case HitResult.Miss:
+                        base.PlayAnimation();
                         break;
 
                     default:
@@ -52,6 +51,8 @@ namespace osu.Game.Rulesets.Mania.UI
                         this.Delay(50)
                             .ScaleTo(0.75f, 250)
                             .FadeOut(200);
+
+                        // osu!mania uses a custom fade length, so the base call is intentionally omitted.
                         break;
                 }
             }

osu.Game.Rulesets.Osu/Objects/Drawables/DrawableOsuJudgement.cs

@@ -74,10 +74,14 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
 
             public override void PlayAnimation()
             {
-                base.PlayAnimation();
-
                 if (Result != HitResult.Miss)
-                    JudgementText.ScaleTo(new Vector2(0.8f, 1)).Then().ScaleTo(new Vector2(1.2f, 1), 1800, Easing.OutQuint);
+                {
+                    JudgementText
+                        .ScaleTo(new Vector2(0.8f, 1))
+                        .ScaleTo(new Vector2(1.2f, 1), 1800, Easing.OutQuint);
+                }
+
+                base.PlayAnimation();
             }
         }
     }

osu.Game.Rulesets.Taiko/UI/DrawableTaikoJudgement.cs

@@ -3,6 +3,7 @@
 
 using osu.Framework.Graphics;
 using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Scoring;
 
 namespace osu.Game.Rulesets.Taiko.UI
 {
@@ -16,5 +17,26 @@ namespace osu.Game.Rulesets.Taiko.UI
             this.MoveToY(-100, 500);
             base.ApplyHitAnimations();
         }
+
+        protected override Drawable CreateDefaultJudgement(HitResult result) => new TaikoJudgementPiece(result);
+
+        private class TaikoJudgementPiece : DefaultJudgementPiece
+        {
+            public TaikoJudgementPiece(HitResult result)
+                : base(result)
+            {
+            }
+
+            public override void PlayAnimation()
+            {
+                if (Result != HitResult.Miss)
+                {
+                    JudgementText.ScaleTo(0.9f);
+                    JudgementText.ScaleTo(1, 500, Easing.OutElastic);
+                }
+
+                base.PlayAnimation();
+            }
+        }
     }
 }

osu.Game/Rulesets/Judgements/DefaultJudgementPiece.cs

@@ -47,6 +47,13 @@ namespace osu.Game.Rulesets.Judgements
             };
         }
 
+        /// <summary>
+        /// Plays the default animation for this judgement piece.
+        /// </summary>
+        /// <remarks>
+        /// The base implementation only handles fade (for all result types) and misses.
+        /// Individual rulesets are recommended to implement their appropriate hit animations.
+        /// </remarks>
         public virtual void PlayAnimation()
         {
             switch (Result)
@@ -60,12 +67,6 @@ namespace osu.Game.Rulesets.Judgements
 
                     this.RotateTo(0);
                     this.RotateTo(40, 800, Easing.InQuint);
-
-                    break;
-
-                default:
-                    this.ScaleTo(0.9f);
-                    this.ScaleTo(1, 500, Easing.OutElastic);
                     break;
             }