on script load:
	register new shaped recipe for storage minecart of Unbreaking 1 named "&6バックパック" with lore "&f<Please click...>" with hidden enchant using leather, leather, leather, leather, iron ingot, leather, leather, chest, leather

on right click with storage minecart:
	name of player's tool is "&6バックパック"
	cancel event
	play sound "block.chest.open" with volume 0.5 and pitch 1 at player
	if lore of player's tool is "&f<Please click...>":
		add 1 to {backpacks}
		set lore of player's tool to "&f<ID : %{backpacks}%>"
		open chest with 3 row named "&8バックパック <ID : %{backpacks}%>" to player
	else:
		set {_id} to the 1st line of lore of player's tool
		replace "&f<ID : " and ">" with "" in {_id}
		open chest with 3 row named "&8バックパック <ID : %{_id}%>" to player
		loop 27 times:
			set slot loop-number - 1 of player's current inventory to {backpacks.%{_id}%.%loop-number%}

on inventory close:
	name of player's current inventory contains "&8バックパック <ID : " and ">"
	set {_id} to name of player's current inventory
	replace "&8バックパック <ID : " and ">" with "" in {_id}
	loop 27 times:
		set {backpacks.%{_id}%.%loop-number%} to slot loop-number - 1 of player's current inventory
	set lore of player's tool to "&f<ID : %{_id}%>", "&7&o%{backpacks.%{_id}%.1}%", "&7&o%{backpacks.%{_id}%.2}%", "&7&o%{backpacks.%{_id}%.3}%" and "&8&o..."