void OnGUI()

    {
        _name = EditorGUILayout.TextField("Name", _name);
        _hp   = EditorGUILayout.FloatField("HP", _hp);
        _def  = EditorGUILayout.FloatField("DEF", _def);



        if (_name == null)
        {
            _name = "Default";
        }
        if (_hp < 0)
        {
            _hp = 0;
        }
        if (_def < 0)
        {
            _def = 0;
        }



        if (GUILayout.Button("Create Building"))
        {
            ScriptableObjectUtility.CreateBuilding <Building>(_name, _def, _hp);
        }
    }