JuegoSim/Assets/Editor/Prefab Tool/PrefabSettingsWindow.cs

using UnityEngine;
using UnityEditor;

public class PrefabSettingsWindow : EditorWindow
{
    public PrefabCreatorSettings CurrentSettings;

    [MenuItem("Youssef Tools/Prefab Creator Setup")]
    public static void ShowWindow() => GetWindow<PrefabSettingsWindow>("Setup Window");

    private void OnEnable()
    {
        string SavedPath = EditorPrefs.GetString("YoussefTool_SettingsPath", "");
        if (!string.IsNullOrEmpty(SavedPath))
        {
            CurrentSettings = AssetDatabase.LoadAssetAtPath<PrefabCreatorSettings>(SavedPath);
        }
    }

    void OnGUI()
    {
        GUILayout.Label("Active Tool Settings", EditorStyles.boldLabel);

        EditorGUI.BeginChangeCheck();
        CurrentSettings = (PrefabCreatorSettings)EditorGUILayout.ObjectField(
            "Prefab Creator Settings", CurrentSettings, typeof(PrefabCreatorSettings), false);

        if (EditorGUI.EndChangeCheck())
        {
            string path = AssetDatabase.GetAssetPath(CurrentSettings);
            EditorPrefs.SetString("YoussefTool_SettingsPath", path);
        }

        if (CurrentSettings != null)
            Editor.CreateEditor(CurrentSettings).OnInspectorGUI();
    }
}