int armtype = random2(3);

    // Default (lowest-level) armours.
    const armour_type defarmours[] = { ARM_ROBE, ARM_LEATHER_ARMOUR,
                                       ARM_RING_MAIL };
    int armtype = RANDOM_ELEMENT(defarmours);

        armtype = random2(5);

        // Low-level armours.
        const armour_type lowarmours[] = { ARM_ROBE, ARM_LEATHER_ARMOUR,
                                           ARM_RING_MAIL, ARM_SCALE_MAIL,
                                           ARM_CHAIN_MAIL };
        armtype = RANDOM_ELEMENT(lowarmours);

    // FIXME! This makes assumptions about the order of subtypes, and
    // the assumptions are wrong!

        armtype = random2(ARM_SHIELD); // body armour of some kind

    {
        // Medium-level armours.
        const armour_type medarmours[] = { ARM_ROBE, ARM_LEATHER_ARMOUR,
                                           ARM_RING_MAIL, ARM_SCALE_MAIL,
                                           ARM_CHAIN_MAIL, ARM_SPLINT_MAIL,
                                           ARM_BANDED_MAIL, ARM_PLATE_MAIL };
        armtype = RANDOM_ELEMENT(medarmours);
    }

        armtype = ARM_DRAGON_HIDE + random2(7); // (ice) dragon/troll/crystal

    {
        // High-level armours, including troll and some dragon armours.
        const armour_type hiarmours[] = { ARM_CRYSTAL_PLATE_MAIL,
                                          ARM_TROLL_HIDE,
                                          ARM_TROLL_LEATHER_ARMOUR,
                                          ARM_DRAGON_HIDE, ARM_DRAGON_ARMOUR,
                                          ARM_ICE_DRAGON_HIDE,
                                          ARM_ICE_DRAGON_ARMOUR };
        armtype = RANDOM_ELEMENT(hiarmours);
    }

        // Other dragon hides/armour or animal skin.
        armtype = ARM_STEAM_DRAGON_HIDE + random2(11);

        // Animal skins and high-level armours, including the rest of
        // the dragon armours.
        const armour_type morehiarmours[] = { ARM_ANIMAL_SKIN,
                                              ARM_STEAM_DRAGON_HIDE,
                                              ARM_STEAM_DRAGON_ARMOUR,
                                              ARM_MOTTLED_DRAGON_HIDE,
                                              ARM_MOTTLED_DRAGON_ARMOUR,
                                              ARM_STORM_DRAGON_HIDE,
                                              ARM_STORM_DRAGON_ARMOUR,
                                              ARM_GOLD_DRAGON_HIDE,
                                              ARM_GOLD_DRAGON_ARMOUR,
                                              ARM_SWAMP_DRAGON_HIDE,
                                              ARM_SWAMP_DRAGON_ARMOUR };
        armtype = RANDOM_ELEMENT(morehiarmours);

    // secondary armours:

    // Secondary armours.