public static DefType AddOrGetDef <DefType>(this GameObject go) where DefType : StateMachine.BaseDef
{
StateMachineController stateMachineController = go.AddOrGet <StateMachineController>();
DefType val = stateMachineController.GetDef <DefType>();
if (val == null)
{
val = Activator.CreateInstance <DefType>();
stateMachineController.AddDef(val);
val.Configure(stateMachineController.gameObject);
}
return(val);
}