Sprint

every 1 seconds:
	loop all players:
		if {_x} is not set:
			set {_x} to food level of loop-player
		if loop-player is sprinting:
			if {_x} > 1:
				remove 1 from {_x}
		else:
			if {_x} < 20:
				add 1 to {_x}
		set food level of loop-player to {_x}