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Code Issues Releases Wiki Activity

Fix control point visualiser crashing after deselections

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`SliderSelectionBlueprint.OnDeselected()` would expire the
`ControlPointVisualiser` on deselection, leading to its removal from the
blueprint and eventual disposal, but still kept a separate reference to
said visualiser in another field.

This could lead to that stale reference to a disposed child getting read
in `ReceivePositionalInputAt()`, crashing quite a ways down over at the
framework side on futilely trying to compute the bounding box of a
drawable with no parent.
This commit is contained in:
Bartłomiej Dach 2021-03-19 21:36:28 +01:00
parent d54e9ab481
commit 9634560d4b
1 changed files with 2 additions and 0 deletions
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osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/SliderSelectionBlueprint.cs
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@ -114,6 +114,8 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
// throw away frame buffers on deselection.
ControlPointVisualiser?.Expire();
ControlPointVisualiser = null;
BodyPiece.RecyclePath();
}