Niewidzialność+shift

variables:
    {invisibility.%player%} = false

on sneak toggle:
    if {invisibility.%player%} is false:
        apply invisibility 1 to the player for 7 days
        set {invisibility.%player%} to true
        stop
    if {invisibility.%player%} is true:
        remove invisibility from player
        set {invisibility.%player%} to false
        stop