using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using UnityEngine;

namespace Thousandto.Launcher.ExternalLibs
{
    /// <summary>
    /// PrefabAsset运行时的处理
    /// </summary>
    public class PrefabAssetRuntimeUtil
    {
        //对纹理设置通过文件路径
        private static Func<Material, string, string, Action<Material, string>, bool> _setTextureWithPathHandler;

        //对材质的纹理进行复位的Handler
        private static Func<Material,bool> _resetMaterialTextureHandler;

        //根据名字查找Shader
        private static Func<string,Shader> _findShaderHandler;
        

        public static void SetHandler(Func<Material, string, string, Action<Material, string>, bool> setMatTexHandler, Func<Material, bool> resetMatHandler, Func<string,Shader> findShaderHandler)
        {
            _setTextureWithPathHandler = setMatTexHandler;

            _resetMaterialTextureHandler = resetMatHandler;

            _findShaderHandler = findShaderHandler;
        }

        public static bool ResetMateiralTexture(Material mat)
        {
            if (_resetMaterialTextureHandler != null)
                return _resetMaterialTextureHandler(mat);
            return false;
        }

        public static bool SetTexture(Material mat, string pName, string texPath, Action<Material, string> callBack)
        {
            if (_setTextureWithPathHandler != null)
            {
                return _setTextureWithPathHandler(mat, pName, texPath, callBack);
            }
            return false;
        }

        public static Shader FindShader(string name)
        {
            if (_findShaderHandler != null)
            {
                return _findShaderHandler(name);
            }
            return Shader.Find(name);
        }
    }
}