WaterFlush/Assets/Art/Script/Editor/SetTerainMat.cs

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

namespace UnityEditor {
    public class SetTerainMat
    {
        [MenuItem("Assets/Generate Material")]
        public static void CreateMaterial() {

            if (Selection.activeGameObject == null) return;
            Debug.Log(Selection.activeGameObject.name);
            foreach (Transform transform in Selection.activeGameObject.transform) {
                string name = transform.gameObject.name;
                Material material = new Material(Shader.Find("Unlit/Texture"));
                material.name = name;
                string path = "Assets/Art/Textrue/Terrain/" + name + ".jpg";
                UnityEngine.Object tex = AssetDatabase.LoadAssetAtPath<UnityEngine.Object>(path);
                Texture2D texture = tex as Texture2D;
                if (texture != null) {
                    material.SetTexture("_MainTex", texture);
                }
                Terrain terrain = transform.gameObject.GetComponent<Terrain>();
                terrain.materialTemplate = material;
                string sapath = "Assets/Art/Material/Terrain/" + name+".mat";
                AssetDatabase.CreateAsset(material, sapath);
                AssetDatabase.SaveAssets();
            }
            AssetDatabase.Refresh();
        }




 

    }
}