From 8873824107a2e29eb914536aec11addddb421857 Mon Sep 17 00:00:00 2001
From: OliBomby <olivierschipper@gmail.com>
Date: Sun, 3 Dec 2023 20:53:25 +0100
Subject: [PATCH] fix control points being cleared

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

diff --git a/osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/SliderPlacementBlueprint.cs b/osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/SliderPlacementBlueprint.cs
index 584c8fabbf..bc32acda96 100644
--- a/osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/SliderPlacementBlueprint.cs
+++ b/osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/SliderPlacementBlueprint.cs
@@ -311,7 +311,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
         {
             IReadOnlyList<List<Vector2>> builderPoints = bSplineBuilder.ControlPoints;
 
-            if (builderPoints.Count == 0)
+            if (builderPoints.Count == 0 || builderPoints[0].Count == 0)
                 return;
 
             PathType? lastPathType = null;
@@ -326,6 +326,9 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
                 var segment = builderPoints[i];
                 int pointsInSegment = segment.Count;
 
+                if (segment.Count == 0)
+                    continue;
+
                 // Where possible, we can use the simpler LINEAR path type.
                 PathType? pathType = pointsInSegment == 1 ? PathType.LINEAR : PathType.BSpline(3);