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Code Issues Releases Wiki Activity

Add inline comment explaining LifetimeEnd set for future visitors

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Dean Herbert 2024-05-15 14:17:28 +08:00
parent d52dffefbc
commit a3960bf715
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osu.Game/Rulesets/UI/Scrolling/ScrollingHitObjectContainer.cs
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@ -240,6 +240,13 @@ namespace osu.Game.Rulesets.UI.Scrolling
// always load the hitobject before its first judgement offset // always load the hitobject before its first judgement offset
entry.LifetimeStart = Math.Min(entry.HitObject.StartTime - entry.HitObject.MaximumJudgementOffset, computedStartTime); entry.LifetimeStart = Math.Min(entry.HitObject.StartTime - entry.HitObject.MaximumJudgementOffset, computedStartTime);
// This is likely not entirely correct, but sets a sane expectation of the ending lifetime.
// A more correct lifetime will be overwritten after a DrawableHitObject is assigned via DrawableHitObject.updateState.
//
// It is required that we set a lifetime end here to ensure that in scenarios like loading a Player instance to a seeked
// location in a beatmap doesn't churn every hit object into a DrawableHitObject. Even in a pooled scenario, the overhead
// of this can be quite crippling.
entry.LifetimeEnd = entry.HitObject.GetEndTime() + timeRange.Value; entry.LifetimeEnd = entry.HitObject.GetEndTime() + timeRange.Value;
} }