скил "поддержка мафр" L2J mobius

// Бонус от всего остального (Рубашка Мафр и т.п.)
    if (item.getCrystalType() != Grade.NONE)
        chance += player.calcStat(Stats.ENCHANT_BONUS, 0);

/**
     * @param player
     * @param enchantItem
     * @param supportItem
     * @return the total chance for success rate of this scroll
     */
    public EnchantResultType calculateSuccess(L2PcInstance player, L2ItemInstance enchantItem, EnchantSupportItem supportItem)
    {
        if (!isValid(enchantItem, supportItem))
        {
            return EnchantResultType.ERROR;
        }
      
        final double chance = getChance(player, enchantItem);
        if (chance == -1)
        {
            return EnchantResultType.ERROR;
        }
      
        final double bonusRate = getBonusRate();
        final double supportBonusRate = (supportItem != null) ? supportItem.getBonusRate() : 0;
        final double finalChance = Math.min(chance + bonusRate + supportBonusRate, 100);
      
        final double random = 100 * Rnd.nextDouble();
        final boolean success = random < finalChance;
      
        if (player.isDebug())
        {
            final EnchantItemGroup group = EnchantItemGroupsData.getInstance().getItemGroup(enchantItem.getItem(), _scrollGroupId);
            final StatsSet set = new StatsSet();
            if (isBlessed())
            {
                set.set("isBlessed", isBlessed());
            }
            if (isSafe())
            {
                set.set("isSafe", isSafe());
            }
            if (isGiant())
            {
                set.set("isGiant", isGiant());
            }
            if (isHair())
            {
                set.set("isHair", isHair());
            }
            set.set("chance", Util.formatDouble(chance, "#.##"));
            if (bonusRate > 0)
            {
                set.set("bonusRate", Util.formatDouble(bonusRate, "#.##"));
            }
            if (supportBonusRate > 0)
            {
                set.set("supportBonusRate", Util.formatDouble(supportBonusRate, "#.##"));
            }
            set.set("finalChance", Util.formatDouble(finalChance, "#.##"));
            set.set("random", Util.formatDouble(random, "#.##"));
            set.set("success", success);
            set.set("item group", group.getName());
            set.set("scroll group", _scrollGroupId);
            Debug.sendItemDebug(player, enchantItem, set);
        }
        return success ? EnchantResultType.SUCCESS : EnchantResultType.FAILURE;
    }

/**
     * @param player
     * @param enchantItem
     * @param supportItem
     * @return the total chance for success rate of this scroll
     */
    public EnchantResultType calculateSuccess(L2PcInstance player, L2ItemInstance enchantItem, EnchantSupportItem supportItem)
    {
        if (!isValid(enchantItem, supportItem))
        {
            return EnchantResultType.ERROR;
        }
      
        final double chance = getChance(player, enchantItem);
        if (chance == -1)
        {
            return EnchantResultType.ERROR;
        }
      
        final double bonusRate = getBonusRate();
        final double skillBonusRate = enchantItem.getItem().getCrystalType() != CrystalType.NONE ? player.getStat().calcStat(Stats.ENCHANT_BONUS, 0) : 0;
        final double supportBonusRate = (supportItem != null) ? supportItem.getBonusRate() : 0;
        final double finalChance = Math.min(chance + skillBonusRate + bonusRate + supportBonusRate, 100);
      
        final double random = 100 * Rnd.nextDouble();
        final boolean success = random < finalChance;
      
        if (player.isDebug())
        {
            final EnchantItemGroup group = EnchantItemGroupsData.getInstance().getItemGroup(enchantItem.getItem(), _scrollGroupId);
            final StatsSet set = new StatsSet();
            if (isBlessed())
            {
                set.set("isBlessed", isBlessed());
            }
            if (isSafe())
            {
                set.set("isSafe", isSafe());
            }
            if (isGiant())
            {
                set.set("isGiant", isGiant());
            }
            if (isHair())
            {
                set.set("isHair", isHair());
            }
            set.set("chance", Util.formatDouble(chance, "#.##"));
            if (bonusRate > 0)
            {
                set.set("bonusRate", Util.formatDouble(bonusRate, "#.##"));
            }
            if(skillBonusRate > 0)
            {
                set.set("skillBonusRate", Util.formatDouble(skillBonusRate, "#.##"));
            }
            if (supportBonusRate > 0)
            {
                set.set("supportBonusRate", Util.formatDouble(supportBonusRate, "#.##"));
            }
            set.set("finalChance", Util.formatDouble(finalChance, "#.##"));
            set.set("random", Util.formatDouble(random, "#.##"));
            set.set("success", success);
            set.set("item group", group.getName());
            set.set("scroll group", _scrollGroupId);
            Debug.sendItemDebug(player, enchantItem, set);
        }
        return success ? EnchantResultType.SUCCESS : EnchantResultType.FAILURE;
    }

if (item.getCrystalType() != Grade.NONE)
        {
            chance += Player.calcStat(Stats.ENCHANT_BONUS, 0);
        }

error: cannot find symbol
    [javac]         if (item.getCrystalType() != Grade.NONE)
    [javac]                ^
    [javac]   symbol:   method getCrystalType()

final double skillBonusRate = enchantItem.getItem().getCrystalType() != CrystalType.NONE ? player.getStat().calcStat(Stats.ENCHANT_BONUS, 0) : 0;

<set name="skillType" val="BUFF" />

<add order="0x40" stat="enchantBonus" val="10" />

    <!-- Power of Maphr / Поддержка Мафр -->
    <skill id="9369" levels="2" name="Power of Maphr">
        <!--
            Шанс успешной модификации +10%. Не применяется к предметам без ранга.
            Шанс успешной модификации +15%. Не применяется к предметам без ранга.
        -->
        <table name="#rate">10 15</table>
        <set name="icon" val="icon.pi_shirt_of_wolf_2nd_earth" />
        <set name="target" val="SELF" />
        <set name="skillType" val="BUFF" />
        <set name="operateType" val="OP_PASSIVE" />
        <set name="nextAction" val="NONE" />
        <set name="magicLevel" val="85" />
        <for>
            <add order="0x40" stat="enchantBonus" val="#rate" />
        </for>
    </skill>

<for>
            <effect name="Buff">
                <add stat="skillBonusRate" val="#skillBonusRate" />
            </effect>
        </for>