using UnityEngine;
using System.Collections.Generic;

namespace Flux
{
	public class FSequenceTrack : FTrack
	{
		private FSequence _ownerSequence = null;
		private FSequence OwnerSequence { 
			get { 
				if( _ownerSequence == null )
					_ownerSequence = Owner.GetComponent<FSequence>();
				return _ownerSequence;
			}
		}

		public override CacheMode RequiredCacheMode {
			get {
				return CacheMode.Editor | CacheMode.RuntimeBackwards;
			}
		}

		public override CacheMode AllowedCacheMode {
			get {
				return RequiredCacheMode | CacheMode.RuntimeForward;
			}
		}

		public override void CreateCache()
		{
			if( HasCache )
				return;

			Cache = new FSequenceTrackCache( this );
			Cache.Build();
		}

		public override void ClearCache()
		{
			if( !HasCache )
				return;

			Cache.Clear();
			Cache = null;
		}

		public override void Init ()
		{
			base.Init();

			if( Application.isPlaying )
				enabled = true;
		}
	}
}