using System.Collections;
using System.Collections.Generic;
using System;
using UnityEngine;

namespace BF
{
	[ExecuteInEditMode]
	[DisallowMultipleComponent]
	public class TimelineSortingOderHelper : BaseSortingOrderHelper
	{
		private Renderer[] renderers;
		private List<int> originOrderList;

		void Awake()
		{
			renderers = this.transform.GetComponentsInChildren<Renderer>(true);
			int len = renderers.Length;
			if (len > 0)
			{
				originOrderList = new List<int>(len);
				for(int i = 0; i < len; i++)
				{
					originOrderList.Add(renderers[i].sortingOrder);
				}
			}
		}

		public override void SetSortingOrder(int uiOrder, int order)
		{
			GroupOrder = order;
			if (!ReferenceEquals(renderers, null))
			{
				int len = renderers.Length;
				for(int i = 0; i < len; i++)
				{
					renderers[i].sortingOrder = originOrderList[i] + uiOrder + order;
				}
			}
		}

		public override void SetUIOrder(int uiOrder)
		{
			if (!ReferenceEquals(renderers, null))
			{
				int len = renderers.Length;
				for(int i = 0; i < len; i++)
				{
					renderers[i].sortingOrder = originOrderList[i] + uiOrder + GroupOrder;
				}
			}
		}
	}

}