一時保存

on walk on sand:
    if {tntrun} is true:
        if {tntgame.%player%} is true:
            wait 1 tick
            set block 2 below player to air

on walk on gravel:
    if {tntrun} is true:
        if {tntgame.%player%} is true:
            wait 1 tick
            set block 2 below player to air

command /game [<text>] [<text>]:
	permission: skript.game
	permission message: &cこのコマンドを実行する権限がありません。
	trigger:
        if arg-1 is "tntrun":
            if arg-2 is "start":
                broadcast "&aゲームを開始します。"
                wait 1 second
                send title "&a&lStart!" to all player 1 seconds
                set {tntrun} to true
            if arg-2 is "stop":
                set {tntrun} to false

command /join [<text>]:
    trigger:
        if arg-1 is "tntrun":
            set {tntgame.%player%} to true