Action function, to be used on #AtkAction implementations as an individual action. Unlike #CallyActionFunc, this function uses the user_data argument passed to cally_actor_add_action_full().
user_data
a #CallyActor
Action function, to be used on #AtkAction implementations as an individual action. Unlike #CallyActionFunc, this function uses the
user_dataargument passed to cally_actor_add_action_full().