From c8c1848bb8f554c022ddfd9b039d9848e1bb0ef9 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Tue, 1 Dec 2020 13:46:30 +0900
Subject: [PATCH] Fix slider control point dragging not correctly accounting
 for drag deadzone

---
 .../Blueprints/Sliders/Components/PathControlPointPiece.cs   | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/Components/PathControlPointPiece.cs b/osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/Components/PathControlPointPiece.cs
index c06904c0c2..c302e8fe99 100644
--- a/osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/Components/PathControlPointPiece.cs
+++ b/osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/Components/PathControlPointPiece.cs
@@ -143,6 +143,8 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
 
         protected override bool OnClick(ClickEvent e) => RequestSelection != null;
 
+        private Vector2 dragStartPosition;
+
         protected override bool OnDragStart(DragStartEvent e)
         {
             if (RequestSelection == null)
@@ -150,6 +152,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
 
             if (e.Button == MouseButton.Left)
             {
+                dragStartPosition = ControlPoint.Position.Value;
                 changeHandler?.BeginChange();
                 return true;
             }
@@ -174,7 +177,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
                     slider.Path.ControlPoints[i].Position.Value -= movementDelta;
             }
             else
-                ControlPoint.Position.Value += e.Delta;
+                ControlPoint.Position.Value = dragStartPosition + (e.MousePosition - e.MouseDownPosition);
         }
 
         protected override void OnDragEnd(DragEndEvent e) => changeHandler?.EndChange();