Rename drawable namespace to avoid clashes with framework class

osu.Game.Rulesets.Catch/Objects/Drawables/DrawableJuiceStream.cs

@@ -0,0 +1,52 @@
+// 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.Containers;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Drawables;
+
+namespace osu.Game.Rulesets.Catch.Objects.Drawables
+{
+    public class DrawableJuiceStream : DrawableCatchHitObject<JuiceStream>
+    {
+        private readonly Func<CatchHitObject, DrawableHitObject<CatchHitObject>> createDrawableRepresentation;
+        private readonly Container dropletContainer;
+
+        public DrawableJuiceStream(JuiceStream s, Func<CatchHitObject, DrawableHitObject<CatchHitObject>> createDrawableRepresentation = null)
+            : base(s)
+        {
+            this.createDrawableRepresentation = createDrawableRepresentation;
+            RelativeSizeAxes = Axes.Both;
+            Origin = Anchor.BottomLeft;
+            X = 0;
+
+            AddInternal(dropletContainer = new Container { RelativeSizeAxes = Axes.Both, });
+        }
+
+        protected override void AddNestedHitObject(DrawableHitObject hitObject)
+        {
+            base.AddNestedHitObject(hitObject);
+            dropletContainer.Add(hitObject);
+        }
+
+        protected override void ClearNestedHitObjects()
+        {
+            base.ClearNestedHitObjects();
+            dropletContainer.Clear();
+        }
+
+        protected override DrawableHitObject CreateNestedHitObject(HitObject hitObject)
+        {
+            switch (hitObject)
+            {
+                case CatchHitObject catchObject:
+                    return createDrawableRepresentation?.Invoke(catchObject)?.With(o =>
+                        ((DrawableCatchHitObject)o).CheckPosition = p => CheckPosition?.Invoke(p) ?? false);
+            }
+
+            return null;
+        }
+    }
+}