on rightclick:
    clicked block is sign
    line 1 of clicked block is "&6▶ &eCheckPoint &6◀"
    line 4 of clicked block is "&8- Player -"
    if player is on ground:
        delete {checkpoint.%UUID of player%}
        set {checkpoint.%UUID of player%} to location of player
        message "&c▶ &7Checkpoint has been set. &7(&a%line 2 of clicked block%&7)"
        command "/execute %player% ~ ~ ~ playsound entity.experience_bottle.throw master %player% ~ ~ ~ 1 1 1"
    else:
        message "&4✖ &cYou can set a checkpoint only on ground."

on rightclick:
    clicked block is sign
    line 1 of clicked block is "&6▶ &eCheckPoint &6◀"
    line 4 of clicked block is "&8- Block -"
    delete {checkpoint.%UUID of player%}
    set {checkpoint.%UUID of player%} to location of clicked block
    message "&c▶ &7Checkpoint has been set. &7(&a%line 2 of clicked block%&7)"
    command "/execute %player% ~ ~ ~ playsound entity.experience_bottle.throw master %player% ~ ~ ~ 1 1 1"

on rightclick:
    block is a sign
    line 1 of clicked block is "=========="
    line 2 of clicked block is "&4checkpoint"
    line 3 of clicked block is "&a[rightclick]"
    line 4 of clicked block is "=========="
    set {checkpoint.%player%.%world%} to location of player
    message "&6チェックポイントを設定しました!"
    play "NOTE_PLING" specifically to player with pitch 2 and volume 1
    log "%player% clicked checkpoint sign at %location of player% in %world%" to "ckeckpoint/checkpoint.log"
    if player has permission "skript.admin":
        message "&7Location of player"

on rightclick with fire charge:
    cancel event
    if clicked block is sign:
        stop
    if {checkpoint.%UUID of player%} is set:
        teleport player to {checkpoint.%UUID of player%}
    else:
        message "&4✖ &cThere is no checkpoint."

on sign change:
    line 1 is "-" or "ー"
    set line 1 to "&6▶ &eCheckPoint &6◀"
    set line 4 to "&8- Player -"

on sign change:
    line 1 is "--" or "ーー"
    set line 1 to "&6▶ &eCheckPoint &6◀"
    set line 4 to "&8- Block -"

on sign change:
    line 1 is "^" or "＾"
    set line 2 to "&4checkpoint"
    set line 3 to "&a[rightclick]"
    set line 4 to "=========="
    set line 1 to "=========="

command /cpd:
    description: Delete <player>'s checkpoint
    executable by: players
    trigger:
        delete {checkpoint.%player%.%world%}
        message "&a✔ &cCheckpoint has been deleted."

command /cpa:
    description: Set player's ckeckpoint
    executable by: players
    trigger:
        player has permission "skript.admin"
        set {checkpoint.%player%} to location of player
        message "&a✔ Checkpoint has been set."
        play raw sound "note.pling" at player with pitch 2 volume 1

command /item:
    trigger:
        if player do not have fire charge named "&r&6☾ &echeckpoint &6☽":
            give fire charge named "&r&a checkpoint " to player

command /cp:
    aliases: checkpoint
    trigger:
        if {checkpoint.%player%} is not set:
            message "&4✖ &cThere is no checkpoint."
        else:
            teleport player to {checkpoint.%player%}

on damage:
    y-coordinate of victim is less than 0
    cancel event
    if {checkpoint.%victim%.%world%} is not set:
        teleport victim to block at world's spawn point
    else:
        teleport victim to {checkpoint.%victim%.%world%}

command /cptp <text> [<world>]:
    permission: skript.admin
    trigger:
        if arg 2 is not set:
            if {checkpoint.%arg 1%.%world%} is not set:
                message "checkpoint is not set"
            else:
                teleport player to {checkpoint.%arg 1%.%world%}
        else:
            if {checkpoint.%arg 1%.%arg 2%} is not set:
                message "checkpoint is not set"
            else:
                teleport player to {checkpoint.%arg 1%.%arg 2%}