public static IUniTaskSource <U> Create(T target, Func <T, U> monitorFunction, IEqualityComparer <U> equalityComparer, PlayerLoopTiming timing, CancellationToken cancellationToken, out short token)
{
if (cancellationToken.IsCancellationRequested)
{
return(AutoResetUniTaskCompletionSource <U> .CreateFromCanceled(cancellationToken, out token));
}
var result = pool.TryRent() ?? new WaitUntilValueChangedStandardObjectPromise <T, U>();
result.target = new WeakReference <T>(target, false); // wrap in WeakReference.
result.monitorFunction = monitorFunction;
result.currentValue = monitorFunction(target);
result.equalityComparer = equalityComparer ?? UnityEqualityComparer.GetDefault <U>();
result.cancellationToken = cancellationToken;
TaskTracker.TrackActiveTask(result, 3);
PlayerLoopHelper.AddAction(timing, result);
token = result.core.Version;
return(result);
}
public static IUniTaskAsyncEnumerable <TProperty> EveryValueChanged <TTarget, TProperty>(TTarget target,
Func <TTarget, TProperty> propertySelector, PlayerLoopTiming monitorTiming = PlayerLoopTiming.Update,
IEqualityComparer <TProperty> equalityComparer = null)
where TTarget : class
{
var unityObject = target as UnityEngine.Object;
var isUnityObject = target is UnityEngine.Object; // don't use (unityObject == null)
if (isUnityObject)
{
return(new EveryValueChangedUnityObject <TTarget, TProperty>(target, propertySelector,
equalityComparer ?? UnityEqualityComparer.GetDefault <TProperty>(), monitorTiming));
}
else
{
return(new EveryValueChangedStandardObject <TTarget, TProperty>(target, propertySelector,
equalityComparer ?? UnityEqualityComparer.GetDefault <TProperty>(), monitorTiming));
}
}
public static IProgress<T> CreateOnlyValueChanged<T>(Action<T> handler, IEqualityComparer<T> comparer = null)
{
if (handler == null) { return NullProgress<T>.Instance; }
return new OnlyValueChangedProgress<T>(handler, comparer ?? UnityEqualityComparer.GetDefault<T>());
}
