Pasted

 
using UnityEngine;
using UnityEditor;
using System.Collections;
 
[CustomEditor(typeof(MeshRenderer))]
public class MeshRendererSortingLayersEditor : Editor
{
 
    public override void OnInspectorGUI()
    {
        base.OnInspectorGUI();
 
        MeshRenderer renderer = target as MeshRenderer;
 
        EditorGUILayout.BeginHorizontal();
        EditorGUI.BeginChangeCheck();
        string name = EditorGUILayout.TextField("Sorting Layer Name", renderer.sortingLayerName);
        if(EditorGUI.EndChangeCheck()) {
            renderer.sortingLayerName = name;
        }
        EditorGUILayout.EndHorizontal();
 
        EditorGUILayout.BeginHorizontal();
        EditorGUI.BeginChangeCheck();
        int order = EditorGUILayout.IntField("Sorting Order", renderer.sortingOrder);
        if(EditorGUI.EndChangeCheck()) {
            renderer.sortingOrder = order;
        }
        EditorGUILayout.EndHorizontal();
 
    }
}