on right click:
	if player's tool is chest named "&fPlecak":
		execute player command "/plecak1215"
on place:
	if player's tool is chest named "&fPlecak":
		cancel event

command /plecak [<text>]:
	trigger:
    	if player has permission "admin.plecak":
            if arg 1 is "all":
                loop all players:
                    give loop-player 1 chest named "&fPlecak"
                broadcast "&cAdministrator %player% dal wszystkim plecak !"
                stop
            if arg 1 is set:
                set {_a} to arg 1 parsed as player
                give {_a} 1 chest named "&fPlecak"
                send "&fOtrzymano Plecak od Administratora &a%player% &f!" to {_a}
                send "&fDano &a%{_a}% &fplecak !"
                stop
         else:
         	if arg 1 is not set:
            	if {plecak::%player%} is not set:
                    if player's balance is more or equal to 1000:
                        remove 1000 from player's balance
                        send "&aKupiono Plecak"
                        execute player command "/plecak1215"
                        set {plecak::%player%} to true
                        stop
                else:
                	send "&cPosiadasz juz wlasny plecak!"
                    stop
command /plecak1215:
	trigger:
		wait 2 ticks
		open chest with 1 row named "&fPlecak Nowicjusza" to player
		wait 2 ticks
		loop {przedmiotyplecak1::%player%::*}:
			set player's current inventory's slot loop-index parsed as integer to loop-value
		stop
on inventory close:
	if "%inventory name of player's current inventory%" is "&fPlecak":
		set {_i} to 0
		loop 9 times:
			set {przedmiotyplecak1::%player%::%{_i}%} to player's current inventory's slot {_i}
			add 1 to {_i}
		stop