using System.Collections.Generic;

using UnityEngine;

public class UIRenderQueueSorter : MonoBehaviour

{

    [SerializeField]

    UIWidget m_source;

    [SerializeField]

    int m_offset;

    [SerializeField]

    List<Renderer> m_renderers = new List<Renderer>();

    public void Initialize()

    {

        Renderer[] renders = transform.GetComponentsInChildren<Renderer>(true);

        m_renderers.AddRange(renders);

    }

    void Update()

    {

        if (m_source && m_renderers.Count > )

        {

            for (int i = ; i < m_renderers.Count; i++)

            {

                Renderer r = m_renderers[i];

                if (r && r.sharedMaterial && m_source.drawCall != null)

                    r.sharedMaterial.renderQueue = m_source.drawCall.renderQueue + m_offset;

            }

        }

    }

    public void AddRenderer(Renderer r)

    {

        if (!m_renderers.Contains(r))

        {

            m_renderers.Add(r);

        }

    }

    public void ClearAllRenderers()

    {

        m_renderers.Clear();

    }

    public UIWidget Source

    {

        set { m_source = value; }

    }

    public int Offset

    {

        set { m_offset = value; }

    }

}