#Test dodawania itemów.
command /testGUI [<text>]:
    trigger:
        set {_x} to chest with 1 rows named "Testowe gui by ##Knugi"
        set slot 8 of {_x} to paper named "&7Informacja" with lore "&7Tu sa dwie opcje.||&7Pierwsza &ckamien&7 bedzie wybieralo sie za pomoca klawiatury||||&cDirt &7bedzie kolejne gui do wybierania ile do wyboru."
        set slot 0 of {_x} to stone named "&cPierwsza opcja"
        set slot 5 of {_x} to dirt named "&cDruga opcja"
        open {_x} to player
on inventory click:
    if inventory name of player's current inventory is "Testowe gui by ##Knugi":
        cancel event
        if clicked slot is 0:
            set {_x} to chest with 1 rows named "Pierwsza opcja testowa."
            set slot 5 of {_x} to stone named "&7Kamien." with lore "&3Cena kupna: &c100||&3Cena sprzedazy: &c0.4||||&eLPM aby kupic||&ePPM aby sprzedac."
            set slot 0 of {_x} to paper named "&7Informacje" with lore "&7Najedz na przedmiot (kamien) i za pomocą przycisków nad klawiaturą (1-9)||&7ustawiamy ilosc stone do kupienia/sprzedania."
            set slot 1 of {_x} to paper named "&7Informacje" with lore "&7Zasada dzialania:||&7Przycisk -> co robi.||||&c1 &7- &3Dodaje 1||&c2 &7- &3Usuwa 1||&c3 &7- &3Dodaje 10||&c4 &7- &3Usuwa 10||&c5 &7- &3Ustawia na 64.||&c6 &7- &3Ustawia na 1"
            set slot 8 of {_x} to 330 named "Powrot"
            open {_x} to player
        if clicked slot is 5:
            set {_x} to chest with 2 rows named "Druga opcja testowa."
            set slot 0 of {_x} to stone named "&7Kamien." with lore "&3Cena kupna: &c100||&3Cena sprzedazy: &c0.4||||&eLPM aby kupic||&ePPM aby sprzedac."
            set slot 9 of {_x} to lever named "&c+1"
            set slot 10 of {_x} to lever named "&c-1"
            set slot 11 of {_x} to lever named "&c+10"
            set slot 12 of {_x} to lever named "&c-10"
            set slot 13 of {_x} to lever named "&c64"
            set slot 14 of {_x} to lever named "&c1"
            open {_x} to player
    if inventory name of player's current inventory is "Druga opcja testowa.":
        cancel event
        if clicked slot is not between 9 and 14:
            stop
        set {_amount} to amount of item player's current inventory's slot 0
        if clicked slot is 9:
            add 1 to {_amount}
        if clicked slot is 10:
            remove 1 from {_amount}
        if clicked slot is 11:
            add 10 to {_amount}
        if clicked slot is 12:
            remove 10 from {_amount}
        if clicked slot is 13:
            set {_amount} to 64
        if clicked slot is 14:
            set {_amount} to 1
        if {_amount} is smaller than 1:
            set {_amount} to 1
        if {_amount} is larger than 64:
            set {_amount} to 64
        set player's current inventory's slot 0 to {_amount} of stone named "&7Kamien." with lore "&3Cena kupna: &c%{_amount} * 100%||&3Cena sprzedazy: &c%{_amount} * 0.4%||||&eLPM aby kupic||&ePPM aby sprzedac."
on script load:
    import "org.bukkit.event.inventory.InventoryClickEvent"    
on "org.bukkit.event.inventory.InventoryClickEvent":
    set {_top} to event.getWhoClicked().getOpenInventory().getTopInventory()
    if name of {_top} is "Pierwsza opcja testowa.":
        cancel event
        if event.getRawSlot() is 8:
            set {_x} to chest with 1 rows named "Testowe gui by ##Knugi"
            set slot 8 of {_x} to paper named "&7Informacja" with lore "&7Tu sa dwie opcje.||&7Pierwsza &ckamien&7 bedzie wybieralo sie za pomoca klawiatury||||&cDirt &7bedzie kolejne gui do wybierania ile do wyboru."
            set slot 0 of {_x} to stone named "&cPierwsza opcja"
            set slot 5 of {_x} to dirt named "&cDruga opcja"
            open {_x} to event.getWhoClicked()
            stop
        if event.getRawSlot() is 5:
            set {_item} to event.getCurrentItem()
            set {_amount} to amount of item {_item}
            set {_hotbar} to event.getHotbarButton()
            if {_hotbar} is not set:
                stop
            add 1 to {_hotbar}
            if {_hotbar} is between 1 and 6:
                if {_hotbar} is 1:
                    add 1 to {_amount}
                if {_hotbar} is 2:
                    remove 1 from {_amount}
                if {_hotbar} is 3:
                    add 10 to {_amount}
                if {_hotbar} is 4:
                    remove 10 from {_amount}
                if {_hotbar} is 5:
                    set {_amount} to 64
                if {_hotbar} is 6:
                    set {_amount} to 1
                if {_amount} is smaller than 1:
                    set {_amount} to 1
                if {_amount} is larger than 64:
                    set {_amount} to 64
                set event.getWhoClicked()'s current inventory's slot 5 to {_amount} of stone named "&7Kamien." with lore "&3Cena kupna: &c%{_amount} * 100%||&3Cena sprzedazy: &c%{_amount} * 0.4%||||&eLPM aby kupic||&ePPM aby sprzedac."