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perf: memory allocation improvements on ITween.Loop method

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Syntriax
2026-02-20 11:22:34 +03:00
parent 9f54f89f6d
commit 785fee9b6b
1 changed files with 22 additions and 10 deletions
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32
Engine.Systems/Tween/TweenExtensions.cs
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@@ -4,23 +4,35 @@ namespace Engine.Systems.Tween;
public static class TweenExtensions
{
private static readonly System.Collections.Generic.Dictionary<ITween, int> loopDictionary = [];
public static ITween Loop(this ITween tween, int count)
{
Tween tweenConcrete = (Tween)tween;
int counter = count;
if (!loopDictionary.TryAdd(tween, count))
throw new($"Tween already has a loop in progress.");
tweenConcrete.OnCompleted.AddListener(_ =>
{
if (counter-- <= 0)
return;
tweenConcrete.Reset();
tweenConcrete.State = TweenState.Playing;
});
tween.OnCompleted.AddListener(looperDelegate);
tween.OnEnded.AddListener(looperEndDelegate);
return tween;
}
private static readonly Core.Event<ITween>.EventHandler looperEndDelegate = sender => loopDictionary.Remove(sender);
private static readonly Core.Event<ITween>.EventHandler looperDelegate = sender =>
{
int counter = loopDictionary[sender] = loopDictionary[sender] - 1;
if (counter <= 0)
{
loopDictionary.Remove(sender);
return;
}
Tween tweenConcrete = (Tween)sender;
tweenConcrete.Reset();
tweenConcrete.State = TweenState.Playing;
};
public static ITween LoopInfinitely(this ITween tween)
{
tween.OnCompleted.AddListener(repeaterDelegate);