on right click on gravel:
    if player's tool is {@narzedzie_gravel} of Looting 3:
        {gravelList::*} contains location of clicked block
        {stolList::*} contains location of block under clicked block
        remove location of event-block from {gravelList::*}
        set {_gravel} to a random integer between 2 and 7
        set {_proch} to a random integer between 3 and 5
        cancel event
        send "3"
        drop {_gravel} of flint
        drop {_proch} of gunpowder
        set block to air
    else if player's tool is {@narzedzie_gravel} of Looting 2:
        {gravelList::*} contains location of clicked block
        {stolList::*} contains location of block under clicked block
        remove location of event-block from {gravelList::*}
        set {_gravel} to a random integer between 2 and 6
        set {_proch} to a random integer between 2 and 5
        cancel event
        send "2"
        drop {_gravel} of flint
        drop {_proch} of gunpowder
        set block to air
    else if player's tool is {@narzedzie_gravel} of Looting 1:
        {gravelList::*} contains location of clicked block
        {stolList::*} contains location of block under clicked block
        remove location of event-block from {gravelList::*}
        set {_gravel} to a random integer between 1 and 5
        set {_proch} to a random integer between 2 and 4
        cancel event
        send "1"
        drop {_gravel} of flint
        drop {_proch} of gunpowder
        set block to air
    else if player's tool is {@narzedzie_gravel}:
        {gravelList::*} contains location of clicked block
        {stolList::*} contains location of block under clicked block
        remove location of event-block from {gravelList::*}
        set {_gravel} to a random integer between 1 and 4
        set {_proch} to a random integer between 1 and 4
        cancel event
        send "bez"
        drop {_gravel} of flint
        drop {_proch} of gunpowder
        set block to air