From 98ab1f986272e89c0d092ec5cd01b726b74a4998 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Wed, 5 Feb 2020 16:35:07 +0900
Subject: [PATCH] Fix negative spinners

---
 .../Components/Timeline/TimelineHitObjectBlueprint.cs  | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineHitObjectBlueprint.cs b/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineHitObjectBlueprint.cs
index 3de1cd3a4c..5a15cb42fa 100644
--- a/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineHitObjectBlueprint.cs
+++ b/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineHitObjectBlueprint.cs
@@ -156,6 +156,9 @@ private void updateState()
             [Resolved]
             private EditorBeatmap beatmap { get; set; }
 
+            [Resolved]
+            private IBeatSnapProvider beatSnapProvider { get; set; }
+
             protected override void OnDrag(DragEvent e)
             {
                 base.OnDrag(e);
@@ -178,7 +181,12 @@ protected override void OnDrag(DragEvent e)
                         break;
 
                     case IHasEndTime endTimeHitObject:
-                        endTimeHitObject.EndTime = time;
+                        var snappedTime = beatSnapProvider.SnapTime(time);
+
+                        if (endTimeHitObject.EndTime == snappedTime || snappedTime <= hitObject.StartTime)
+                            return;
+
+                        endTimeHitObject.EndTime = snappedTime;
                         break;
                 }