function openEnderchest(p: player):
    open chest with {Ec.lvl::%{_p}%} rows named "Enderchest" to {_p}
    set {_} to 0
    loop ({Ec.lvl::%{_p}%} * 9) times:
        set slot {_} of {_p}'s current inventory to {Enderchest.%{_p}%::%{_}%}
        add 1 to {_}
on inventory close:
    if inventory name of player's current inventory is "Enderchest":
        set {_} to 0
        loop ({Ec.lvl::%{_p}%} * 9) times:
            set {Enderchest.%player%::%{_}%} to slot {_} of player's current inventory
            add 1 to {_}

on join:
    if {Ec.lvl::%player%} is not set:
        set {Ec.lvl::%player%} to 1
        
command /ulepsz:
    trigger:
        if {Ec.lvl::%player%} is not set:
            set {Ec.lvl::%player%} to 1
        if {Ec.lvl::%player%} is 5:
            send "&cMaksymalny poziom enderchesta"
            stop
        open chest with 1 rows named "&2&lUlepsz enderchest" to player
        set {_cena} to {Ec.lvl::%player%} * 10 
        set slot 4 of player's current inventory to ender chest named "&aUlepsz do poziomu &c%{Ec.lvl::%player%} + 1%" with lore "&7Ilosc poziomow potrzebnych do ulepszenia: &a%{_cena}%"
        
on inventory click:
    if inventory name of player's current inventory is "&2&lUlepsz enderchest":
        cancel event
        if clicked slot is 4:
            set {_cena} to uncolored line 1 of lore of clicked item
            replace all "Ilosc poziomow potrzebnych do ulepszenia: " in {_cena} with ""
            set {_cena} to {_cena} parsed as number
            if player's level is less than {_cena}:
                send "&cNie masz wystarczajacego poziomu aby to zrobic"
                stop
            remove {_cena} from player's level
            add 1 to {Ec.lvl::%player%}
            send "&aPomyslnie ulepszyles enderchest"
            close player's inventory

on right click on ender chest:
    openEnderchest(player)
command /enderchest:
    aliases: /ec
    permission: enderchest.command
    permission message: &cBrak uprawnien
    trigger:
        openEnderchest(player)