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Merge pull request #27556 from EVAST9919/editor-timing-alloc

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Reduce allocations in editor timing screen
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Dean Herbert 2024-03-10 09:43:02 +08:00 committed by GitHub
commit 1ae8d341cc
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1 changed files with 22 additions and 5 deletions
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27
osu.Game/Screens/Edit/Timing/ControlPointList.cs
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@ -162,26 +162,43 @@ namespace osu.Game.Screens.Edit.Timing
// If the selected group only has one control point, update the tracking type.
case 1:
trackedType = selectedGroup.Value?.ControlPoints.Single().GetType();
trackedType = selectedGroup.Value?.ControlPoints[0].GetType();
break;
// If the selected group has more than one control point, choose the first as the tracking type
// if we don't already have a singular tracked type.
default:
trackedType ??= selectedGroup.Value?.ControlPoints.FirstOrDefault()?.GetType();
trackedType ??= selectedGroup.Value?.ControlPoints[0].GetType();
break;
}
}
if (trackedType != null)
{
double accurateTime = clock.CurrentTimeAccurate;
// We don't have an efficient way of looking up groups currently, only individual point types.
// To improve the efficiency of this in the future, we should reconsider the overall structure of ControlPointInfo.
// Find the next group which has the same type as the selected one.
var found = Beatmap.ControlPointInfo.Groups
.Where(g => g.ControlPoints.Any(cp => cp.GetType() == trackedType))
.LastOrDefault(g => g.Time <= clock.CurrentTimeAccurate);
ControlPointGroup? found = null;
for (int i = 0; i < Beatmap.ControlPointInfo.Groups.Count; i++)
{
var g = Beatmap.ControlPointInfo.Groups[i];
if (g.Time > accurateTime)
continue;
for (int j = 0; j < g.ControlPoints.Count; j++)
{
if (g.ControlPoints[j].GetType() == trackedType)
{
found = g;
break;
}
}
}
if (found != null)
selectedGroup.Value = found;