lighttroupe/luz-next

require 'user_object_setting'

class UserObjectSettingActors < UserObjectSetting
    #
    # API for plugins
    #
    def one(index=0)
        list = get_actors
        return nil if list.empty?        # NOTE: return without yielding

        selection = list[index % list.size]        # NOTE: nicely wraps around at both edges
        yield selection if block_given?
        selection
    end

    def count
        get_actors.size
    end

    def each
        get_actors.each { |actor| yield actor }
    end

    def each_with_index
        get_actors.each_with_index { |actor, index| yield actor, index }
    end

    def all
        yield get_actors
    end

private

    def get_actors
        $engine.project.actors        # TODO
    end
end