Gui drop

on first join:
    set {Drop::Cobble::%player%} to true
command /drop:
    trigger:
        open chest with 1 rows named "Drop ze stona" to player
        wait 2 tick
        if {Drop::Cobble::%player%} is true:
            format slot 0 of player with 1 of cobblestone named "Cobblestone" with lore "Drop || &aAktywny" to run "cobble %player%"
        if {Drop::Cobble::%player%} ia false:
            format slot 0 of player with 1 of cobblestone named "Cobblestone" with lore "Drop || &cNieaktywny" to run "cobble %player%"

command /cobble [<player>]:
    executable by: console
    trigger:
        if arg 1 is set:
            if {Drop::Cobble::%player-arg%} is false:
                set {Drop::Cobble::%player-arg%} to true
            if {Drop::Cobble::%player-arg%} is true:
                set {Drop::Cobble::%player-arg%} to false