rg_is_pc_nano = {
    OR = {
        is_planet_class = pc_nanotech
        is_planet_class = pc_gray_goo
    }
}

rg_system_has_nano_ripper = {
    solar_system = {
        any_system_megastructure = {
            OR = {
                is_megastructure_type = rg_nano_ripper_1
                is_megastructure_type = rg_nano_ripper_2
                is_megastructure_type = rg_nano_ripper_3
                is_megastructure_type = rg_nano_ripper_4
                is_megastructure_type = rg_nano_ripper_destroyed
                is_megastructure_type = rg_nano_ripper_restored
            }
        }
    }
}
