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Fix current beatmap temporarily becoming empty during ruleset change

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When changing the ruleset at song select, there was a scenario where it
would be set to default (empty) for one debounce length where this was
not actually required. This occurs when the currently selected beatmap
set has other difficulties which match the target ruleset, specifically.
This commit is contained in:
Dean Herbert 2020-11-30 19:36:30 +09:00
parent 6c6540addf
commit a852a27dfb
1 changed files with 13 additions and 2 deletions
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15
osu.Game/Screens/Select/SongSelect.cs
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@ -376,7 +376,7 @@ namespace osu.Game.Screens.Select
if (selectionChangedDebounce?.Completed == false)
{
selectionChangedDebounce.RunTask();
selectionChangedDebounce.Cancel(); // cancel the already scheduled task.
selectionChangedDebounce?.Cancel(); // cancel the already scheduled task.
selectionChangedDebounce = null;
}
@ -465,19 +465,30 @@ namespace osu.Game.Screens.Select
void run()
{
// clear pending task immediately to track any potential nested debounce operation.
selectionChangedDebounce = null;
Logger.Log($"updating selection with beatmap:{beatmap?.ID.ToString() ?? "null"} ruleset:{ruleset?.ID.ToString() ?? "null"}");
if (transferRulesetValue())
{
Mods.Value = Array.Empty<Mod>();
// transferRulesetValue() may trigger a refilter. If the current selection does not match the new ruleset, we want to switch away from it.
// transferRulesetValue() may trigger a re-filter. If the current selection does not match the new ruleset, we want to switch away from it.
// The default logic on WorkingBeatmap change is to switch to a matching ruleset (see workingBeatmapChanged()), but we don't want that here.
// We perform an early selection attempt and clear out the beatmap selection to avoid a second ruleset change (revert).
if (beatmap != null && !Carousel.SelectBeatmap(beatmap, false))
beatmap = null;
}
if (selectionChangedDebounce != null)
{
// a new nested operation was started; switch to it for further selection.
// this avoids having two separate debounces trigger from the same source.
selectionChangedDebounce.RunTask();
return;
}
// We may be arriving here due to another component changing the bindable Beatmap.
// In these cases, the other component has already loaded the beatmap, so we don't need to do so again.
if (!EqualityComparer<BeatmapInfo>.Default.Equals(beatmap, Beatmap.Value.BeatmapInfo))