From 29cc55463268c40b688d1125ea7b69886c046135 Mon Sep 17 00:00:00 2001
From: ekrctb <ekrctb@gmail.com>
Date: Thu, 6 Oct 2022 13:59:54 +0900
Subject: [PATCH] Ensure blueprint is added for selected hit object

---
 .../Components/Timeline/TimelineBlueprintContainer.cs      | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineBlueprintContainer.cs b/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineBlueprintContainer.cs
index 08682ae05f..31990bfd35 100644
--- a/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineBlueprintContainer.cs
+++ b/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineBlueprintContainer.cs
@@ -183,7 +183,12 @@ namespace osu.Game.Screens.Edit.Compose.Components.Timeline
             double maxTime = dragBox.MaxTime;
 
             SelectedItems.RemoveAll(hitObject => !shouldBeSelected(hitObject));
-            SelectedItems.AddRange(Beatmap.HitObjects.Except(SelectedItems).Where(shouldBeSelected));
+
+            foreach (var hitObject in Beatmap.HitObjects.Except(SelectedItems).Where(shouldBeSelected))
+            {
+                Composer.Playfield.SetKeepAlive(hitObject, true);
+                SelectedItems.Add(hitObject);
+            }
 
             bool shouldBeSelected(HitObject hitObject)
             {