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using System;
using System.Collections.Generic;
using UnityEngine.Playables;
namespace UnityEngine.Timeline
{
static class NotificationUtilities
{
public static ScriptPlayable<TimeNotificationBehaviour> CreateNotificationsPlayable(PlayableGraph graph, IEnumerable<IMarker> markers, GameObject go)
{
var notificationPlayable = ScriptPlayable<TimeNotificationBehaviour>.Null;
var director = go.GetComponent<PlayableDirector>();
foreach (var e in markers)
{
var notif = e as INotification;
if (notif == null)
continue;
if (notificationPlayable.Equals(ScriptPlayable<TimeNotificationBehaviour>.Null))
{
notificationPlayable = TimeNotificationBehaviour.Create(graph,
director.playableAsset.duration, director.extrapolationMode);
}
var time = (DiscreteTime)e.time;
var tlDuration = (DiscreteTime)director.playableAsset.duration;
if (time >= tlDuration && time <= tlDuration.OneTickAfter() && tlDuration != 0)
{
time = tlDuration.OneTickBefore();
}
var notificationOptionProvider = e as INotificationOptionProvider;
if (notificationOptionProvider != null)
{
notificationPlayable.GetBehaviour().AddNotification((double)time, notif, notificationOptionProvider.flags);
}
else
{
notificationPlayable.GetBehaviour().AddNotification((double)time, notif);
}
}
return notificationPlayable;
}
public static bool TrackTypeSupportsNotifications(Type type)
{
var binding = (TrackBindingTypeAttribute)Attribute.GetCustomAttribute(type, typeof(TrackBindingTypeAttribute));
return binding != null &&
(typeof(Component).IsAssignableFrom(binding.type) ||
typeof(GameObject).IsAssignableFrom(binding.type));
}
}
}