vanish

command /hide:
 permission: o.w.s
 trigger:
   hide all player from the players
   message "プレイヤーを非表示にしました。"
   stop

command /show:
   reveal all player from the players
   message "プレイヤーを表示しました"
   stop


on join:
 loop all players:
  if {%loop-player%.vanish} is set:
   hide the loop-player from all players