on right click on a sign:
    line 1 of the clicked block is "&f============"
    line 2 of the clicked block is "&e<<CheckPoint>>"
    line 3 of the clicked block is "&b<<Rightclick>>"
    line 4 of the clicked block is "&f============":
        player is on ground
        set {checkpoint.%player%.%world%} to location of player
        message "&eCPを設定しました!"

on right click on a sign:
    line 1 of the clicked block is "&f============"
    line 2 of the clicked block is "&e<<CheckPoint>>"
    line 3 of the clicked block is "&b<<Rightclick>>"
    line 4 of the clicked block is "&f============":
        set {checkpoint.%player%.%world%} to location of clicked block
        message "&eCPを設定しました!"

on sign change:
    line 1 is "cp"
    set line 4 to "&f============"
    set line 1 to "&f============"
    set line 3 to "&b<<Rightclick>>"
    set line 2 to "&e<<CheckPoint>>"

on sign change:
    line 1 is "air"
    set line 4 to "&f============"
    set line 1 to "&f============"
    set line 3 to "&b<<Rightclick>>"
    set line 2 to "&e<<CheckPoint>>"

command /adcp:
    description: Set player's ckeckpoint
    executable by: players
    trigger:
        player has permission "skript.admin"
        set {checkpoint.%player%.%world%} to location of player
        message "&eCPを設定しました。"

command /cpd:
    description: Delete <player>'s checkpoint
    executable by: players
    trigger:
        delete {checkpoint.%player%.%world%}
        message "&cCPが削除されました。"

command /cpitem:
    trigger:
        if player do not have clock named "&e&l<<Checkpoint>>":
            give clock named "&e&l<<Checkpoint>>" to player

on rightclick with clock:
	cancel event
	if clicked block is sign:
		stop
	if {checkpoint.%player%.%world%} is set:
		teleport player to {checkpoint.%player%.%world%}
	else:
		message "&cCPが設定されていません!"

on walking on block of coal:
    player's gamemode is adventure or survival
    delete {checkpoint.%player%.%world%}
    message "&cCPを削除しました。"

on walking on quartz ore:
    player's gamemode is adventure or survival
    if {checkpoint.%player%.%world%} is not set:
        teleport player to block at world's spawn point
        message "&cCPが設定されていません、SpawnへTPされました。"
    else:
        teleport player to {checkpoint.%player%.%world%}