on rightclick on anvil:
    block under the event-block is obsidian block
    cancel event
    if player's tool is sword:
        if {tool.%player%} is set:
            message "<pink>既に剣がセットされています"
            stop
        set {tool.%player%} to player's tool
        delete player's tool
    else if player's tool is a charcoal or a coal item:
        if {tool.%player%} is not set:
            message "<pink>剣がセットされていません"
            stop
        if lore of {tool.%player%} doesn't contain "-AttackBonus:":
            if lore of {tool.%player%} is "":
                set lore of {tool.%player%} to "-AttackBonus:0%%"
            else:
                set lore of {tool.%player%} to "%lore of {tool.%player%}%||-AttackBonus:0%%"
        if player's tool is a charcoal:
            set {_up} to 3
        else if player's tool is a coal item:
            set {_up} to 5
        remove 1 of player's tool from player
        while true:
            add 1 to {_line}
            set {_lore} to line {_line} of lore of {tool.%player%}
            if {_lore} is not set:
                exit 2 sections
            add {_lore} to {_lore::*}
            delete {_lore}
        loop {_lore::*}:
            add 1 to {_inx}
            if the first index of "-AttackBonus:" in loop-value is not -1:
                set {_number} to (subtext of loop-value from 14 to length of loop-value) parsed as number
                add {_up} to {_number}
                set line {_inx} of lore of {tool.%player%} to "-AttackBonus:%{_number}%"
                message "<red>強化後→-AttackBonus:%{_number}%"
    else if player's tool is air block:
        give {tool.%player%} to player
        delete {tool.%player%}
    else:
        if {tool.%player%} is set:
            message "<pink>既に剣がセットされています"
            stop
        message "<pink>剣以外は強化できません"

on damage:
    {AttackBonus.%attacker%} is set
    set damage to damage * (100+{AttackBonus.%attacker%})/100

on tool change:
    delete {AttackBonus.%player%}
    lore of player's tool is set
    while true:
        add 1 to {_line}
        set {_lore} to line {_line} of lore of player's tool
        if {_lore} is not set:
            exit 2 sections
        add {_lore} to {_lore::*}
        delete {_lore}
    loop {_lore::*}:
        add 1 to {_inx}
        if the first index of "-AttackBonus:" in loop-value is not -1:
            set {_number} to (subtext of loop-value from 14 to length of loop-value) parsed as number
            set {AttackBonus.%player%} to {_number}
    if {AttackBonus.%player%} is set:
        message "<lime>攻撃力ボーナス:%{AttackBonus.%player%}%%%"