using System.Collections;
using System.Collections.Generic;
using Thousandto.Core.Asset;
using Thousandto.Core.Base;
using Thousandto.GameUI.Form;
using UnityEngine;

public class UIShandowPlane : MonoBehaviour
{
    #region//私有变量
    private UIRoleSkinCompoent _roleCmp = null;
    private List<Renderer> _cacheList = new List<Renderer>();
    #endregion
    #region //编辑器属性
    public Material ShandowCast_NotReciver = null;
    #endregion

    #region//继承mono
    private void Start()
    {
    }
    #endregion

    #region//私有函数
    private void OnSkinLoadCallBack(FSkinBase skin, int part)
    {
        if (part != FSkinPartCode.Body)
            return;
        var body = _roleCmp.Skin.GetSkinPart(FSkinPartCode.Body);
        if (body != null)
        {
            var rdList = body.RenderList;
            if (rdList == null)
                return;
            for (int i = 0; i < rdList.Count; i++)
            {
                if (rdList[i] is SkinnedMeshRenderer)
                {
                    var rd = rdList[i];
                    List<Material> matList = new List<Material>();
                    rd.GetSharedMaterials(matList);
                    if (!matList.Contains(ShandowCast_NotReciver))
                    {
                        //ShandowCast_NotReciver.renderQueue = _roleCmp.Skin.RenderQueue + 1;
                        matList.Add(ShandowCast_NotReciver);
                        rd.sharedMaterials = matList.ToArray();
                    }
                    if (!_cacheList.Contains(rd))
                    {
                        _cacheList.Add(rd);
                    }
                }
            }
        }
    }
    #endregion

    #region//公共函数
    public void SetShandow(UIRoleSkinCompoent roleCmp)
    {
        if (ShandowCast_NotReciver == null)
        {
            Shader sh = ShaderEx.Find("Ares/SpecialEffect/StencilShadowCaster_NoReceiver");
            ShandowCast_NotReciver = new Material(sh);
            ShandowCast_NotReciver.SetVector("_LightDir", new Vector4(-16.07f, -19.78f, -8.62f, 0));
            ShandowCast_NotReciver.SetColor("_ShadowColor", new Color(0.133f, 0.133f, 0.133f));
            ShandowCast_NotReciver.SetVector("_ReceiverDir", new Vector4(0f, 1.2815f, 0, -2562.944f));
        }
        if (roleCmp == null)
            return;
        _roleCmp = roleCmp;
        _roleCmp.SetOnSkinPartChangedHandler(OnSkinLoadCallBack);
    }

    public void DelShandow()
    {
        for (int i = _cacheList.Count-1; i >= 0; i--)
        {
            var rd = _cacheList[i];
            List<Material> matList = new List<Material>();
            if (rd == null)
                continue;
            rd.GetSharedMaterials(matList);
            for (int m = matList.Count - 1; m >= 0; m--)
            {
                if (matList[m] == null)
                    matList.RemoveAt(m);
            }
            if (matList.Contains(ShandowCast_NotReciver))
            {
                matList.Remove(ShandowCast_NotReciver);
            }
            rd.sharedMaterials = matList.ToArray();
        }
        _cacheList.Clear();
    }

    public void RealseMat()
    {
        DelShandow();
        Destroy(ShandowCast_NotReciver);
        ShandowCast_NotReciver = null;
        _roleCmp = null;

    }
    #endregion
}