storybook/tests/examples/behavior_and_lifearc.sb

// Test behavior trees and life arcs

life_arc Childhood {
    state infant {
        on ready -> toddler
    }
    state toddler {
        on ready -> child
    }
    state child {
        on ready -> teen
    }
}

behavior SimpleBehavior {
    walk_around
}

behavior SequenceBehavior {
    > {
        check_energy
        move_to_location
        perform_action
    }
}

behavior SelectorBehavior {
    ? {
        try_option_a
        try_option_b
        fallback
    }
}

behavior NestedBehavior {
    > {
        ? {
            check_condition_a
            check_condition_b
        }
        perform_action
    }
}

behavior WithSubtree {
    > {
        @helpers::check_preconditions
        main_action
    }
}