Arcanum ManaBarrel fix

override bool Used(Actor user)
{
    if (Distance3D(user) > radius + user.radius * 2)
    {
        return false;
    }

    if (ManaLeft == 0)
    {
        user.A_Log("This barrel is empty.", true);
        return false;
    }
    //if (!(user.player.ReadyWeapon is 'HDHealingBottler' ||self.countinv('HDHealingPotion') >> 0))
    let potion = HDWeapon(user.FindInventory('HDHealingPotion'));
    if (!potion)
    {
        return false;
    }
    if (!(user.player.ReadyWeapon is 'HDHealingPotion'))
    {
        double maxSipFac = HDPlayerPawn(user) && HDPlayerPawn(user).incapacitated > 0 ? 0.9 : 0.8;
        if (ManaLeft >= TotalMana * maxSipFac)
        {
            user.A_GiveInventory('HealingMagic', HDHM_MOUTH);
            user.A_Log("You take a sip.", true);
            user.A_StartSound("potion/chug", 15);
            ManaLeft--;
        }
        else
        {
            user.A_Log("You can't reach anything.", true);
        }
        return false;
    }
    else if (potion.weaponstatus[HDHM_AMOUNT] < HDHM_BOTTLE)
    {
        int toFill = min(ManaLeft, HDHM_BOTTLE - potion.weaponstatus[HDHM_AMOUNT]);

        potion.weaponstatus[HDHM_AMOUNT] += toFill;
        ManaLeft -= toFill;

        double potsLeft = ManaLeft / double(HDHM_BOTTLE);
        string extra = potsLeft > 0 ? String.Format(" There is still enough mana to fill \c[LightBlue]%.1f\c- bottles.", potsLeft) : " That was the last of the mana.";
        user.A_Log("You filled a potion."..extra, true);
        user.A_StartSound("potion/swish", 15);
    }

    return false;
}