uint32 FillMaxDurability(uint32 itemClass, uint32 itemSubClass, uint32 inventoryType, uint32 quality, uint32 itemLevel)
{
    if (itemClass != ITEM_CLASS_ARMOR && itemClass != ITEM_CLASS_WEAPON)
        return 0;

    static float const qualityMultipliers[MAX_ITEM_QUALITY] =
    {
        1.0f, 1.0f, 1.0f, 1.17f, 1.37f, 1.68f, 0.0f, 0.0f
    };

    static float const armorMultipliers[MAX_INVTYPE] =
    {
        0.00f, // INVTYPE_NON_EQUIP
        0.59f, // INVTYPE_HEAD
        0.00f, // INVTYPE_NECK
        0.59f, // INVTYPE_SHOULDERS
        0.00f, // INVTYPE_BODY
        1.00f, // INVTYPE_CHEST
        0.35f, // INVTYPE_WAIST
        0.75f, // INVTYPE_LEGS
        0.49f, // INVTYPE_FEET
        0.35f, // INVTYPE_WRISTS
        0.35f, // INVTYPE_HANDS
        0.00f, // INVTYPE_FINGER
        0.00f, // INVTYPE_TRINKET
        0.00f, // INVTYPE_WEAPON
        1.00f, // INVTYPE_SHIELD
        0.00f, // INVTYPE_RANGED
        0.00f, // INVTYPE_CLOAK
        0.00f, // INVTYPE_2HWEAPON
        0.00f, // INVTYPE_BAG
        0.00f, // INVTYPE_TABARD
        1.00f, // INVTYPE_ROBE
        0.00f, // INVTYPE_WEAPONMAINHAND
        0.00f, // INVTYPE_WEAPONOFFHAND
        0.00f, // INVTYPE_HOLDABLE
        0.00f, // INVTYPE_AMMO
        0.00f, // INVTYPE_THROWN
        0.00f, // INVTYPE_RANGEDRIGHT
        0.00f, // INVTYPE_QUIVER
        0.00f, // INVTYPE_RELIC
    };

    static float const weaponMultipliers[MAX_ITEM_SUBCLASS_WEAPON] =
    {
        0.89f, // ITEM_SUBCLASS_WEAPON_AXE
        1.03f, // ITEM_SUBCLASS_WEAPON_AXE2
        0.77f, // ITEM_SUBCLASS_WEAPON_BOW
        0.77f, // ITEM_SUBCLASS_WEAPON_GUN
        0.89f, // ITEM_SUBCLASS_WEAPON_MACE
        1.03f, // ITEM_SUBCLASS_WEAPON_MACE2
        1.03f, // ITEM_SUBCLASS_WEAPON_POLEARM
        0.89f, // ITEM_SUBCLASS_WEAPON_SWORD
        1.03f, // ITEM_SUBCLASS_WEAPON_SWORD2
        0.00f, // ITEM_SUBCLASS_WEAPON_Obsolete
        1.03f, // ITEM_SUBCLASS_WEAPON_STAFF
        0.00f, // ITEM_SUBCLASS_WEAPON_EXOTIC
        0.00f, // ITEM_SUBCLASS_WEAPON_EXOTIC2
        0.64f, // ITEM_SUBCLASS_WEAPON_FIST_WEAPON
        0.00f, // ITEM_SUBCLASS_WEAPON_MISCELLANEOUS
        0.64f, // ITEM_SUBCLASS_WEAPON_DAGGER
        0.64f, // ITEM_SUBCLASS_WEAPON_THROWN
        0.00f, // ITEM_SUBCLASS_WEAPON_SPEAR
        0.77f, // ITEM_SUBCLASS_WEAPON_CROSSBOW
        0.64f, // ITEM_SUBCLASS_WEAPON_WAND
        0.64f, // ITEM_SUBCLASS_WEAPON_FISHING_POLE
    };

    float levelPenalty = 1.0f;
    if (itemLevel <= 28)
        levelPenalty = 0.966f - float(28u - itemLevel) / 54.0f;

    if (itemClass == ITEM_CLASS_ARMOR)
    {
        if (inventoryType > INVTYPE_ROBE)
            return 0;

        return 5 * uint32(23.0f * qualityMultipliers[quality] * armorMultipliers[inventoryType] * levelPenalty + 0.5f);
    }

    return 5 * uint32(17.0f * qualityMultipliers[quality] * weaponMultipliers[itemSubClass] * levelPenalty + 0.5f);
};