Add basic juice stream selection blueprint

osu.Game.Rulesets.Catch/Edit/Blueprints/JuiceStreamSelectionBlueprint.cs

@@ -0,0 +1,57 @@
+// 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.Linq;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics.Primitives;
+using osu.Game.Rulesets.Catch.Objects;
+using osu.Game.Rulesets.Objects;
+using osuTK;
+
+namespace osu.Game.Rulesets.Catch.Edit.Blueprints
+{
+    public class JuiceStreamSelectionBlueprint : CatchSelectionBlueprint<JuiceStream>
+    {
+        public override Quad SelectionQuad => HitObjectContainer.ToScreenSpace(computeBoundingBox().Offset(new Vector2(0, HitObjectContainer.DrawHeight)));
+
+        private float minNestedX;
+        private float maxNestedX;
+
+        public JuiceStreamSelectionBlueprint(JuiceStream hitObject)
+            : base(hitObject)
+        {
+        }
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            HitObject.DefaultsApplied += onDefaultsApplied;
+            calculateObjectBounds();
+        }
+
+        private void onDefaultsApplied(HitObject _) => calculateObjectBounds();
+
+        private void calculateObjectBounds()
+        {
+            minNestedX = HitObject.NestedHitObjects.OfType<CatchHitObject>().Min(nested => nested.OriginalX) - HitObject.OriginalX;
+            maxNestedX = HitObject.NestedHitObjects.OfType<CatchHitObject>().Max(nested => nested.OriginalX) - HitObject.OriginalX;
+        }
+
+        private RectangleF computeBoundingBox()
+        {
+            float left = HitObject.OriginalX + minNestedX;
+            float right = HitObject.OriginalX + maxNestedX;
+            float top = HitObjectContainer.PositionAtTime(HitObject.EndTime);
+            float bottom = HitObjectContainer.PositionAtTime(HitObject.StartTime);
+            float objectRadius = CatchHitObject.OBJECT_RADIUS * HitObject.Scale;
+            return new RectangleF(left, top, right - left, bottom - top).Inflate(objectRadius);
+        }
+
+        protected override void Dispose(bool isDisposing)
+        {
+            base.Dispose(isDisposing);
+
+            HitObject.DefaultsApplied -= onDefaultsApplied;
+        }
+    }
+}

osu.Game.Rulesets.Catch/Edit/CatchBlueprintContainer.cs

@@ -25,6 +25,9 @@ namespace osu.Game.Rulesets.Catch.Edit
                 case Fruit fruit:
                     return new FruitSelectionBlueprint(fruit);
 
+                case JuiceStream juiceStream:
+                    return new JuiceStreamSelectionBlueprint(juiceStream);
+
                 case BananaShower bananaShower:
                     return new BananaShowerSelectionBlueprint(bananaShower);
             }

osu.Game.Rulesets.Catch/Edit/CatchSelectionHandler.cs

@@ -1,6 +1,7 @@
 // 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.Linq;
 using osu.Framework.Allocation;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Objects;
@@ -33,6 +34,9 @@ namespace osu.Game.Rulesets.Catch.Edit
 
                 // TODO: confine in bounds
                 hitObject.OriginalXBindable.Value += deltaX;
+
+                foreach (var nested in hitObject.NestedHitObjects.OfType<CatchHitObject>())
+                    nested.OriginalXBindable.Value += deltaX;
             });
 
             return true;