[lua]
        code = <<
            local respawn_point
            local radius = 1

            repeat
                respawn_point = wesnoth.get_locations {
                    "include_borders" = false,
                    { "and",
                        { "filter",
                            { "id" = wesnoth.get_variable("respawn_hub") }
                        },
                        "radius" = radius
                    },
                    { "and" ,
                        { "not",
                            { "filter", {} }
                        },
                        { "not",
                            { "terrain" = "Wo,*^Xm,X*,Q*" }
                        }
                    }
                }

                radius = radius + 1
            until respawn_point ~= false

            wesnoth.set_variable("respawn_point.x" respawn_point.x)
            wesnoth.set_variable("respawn_point.y" respawn_point.y)
        >>
    [/lua]