@EventHandler
    public void playerChangeHotBarSlot(PlayerItemHeldEvent event) {
        Player player = event.getPlayer();
        Block block = player.getTargetBlock((Set<Material>) null, 100);
        if(block.getType() == Material.ARMOR_STAND) {
            ArmorStand armorStand = (ArmorStand) block;
            Double headlocx = armorStand.getHeadPose().getX();
            Double headlocy = armorStand.getHeadPose().getY();
            Double headlocz = armorStand.getHeadPose().getZ();
            Double leftarmlocx = armorStand.getLeftArmPose().getX();
            Double leftarmy = armorStand.getLeftArmPose().getY();
            Double leftarmz = armorStand.getLeftArmPose().getZ();
            if(player.getEyeLocation().getX() == headlocx && player.getEyeLocation().getY() == headlocy && player.getEyeLocation().getZ() == headlocz) {
                EulerAngle eul = new EulerAngle(0, 0, 0);
                if (event.getPreviousSlot() < event.getNewSlot()) {
                    eul.setX(eul.getX() + 40);
                    eul.setY(eul.getY() + 40);
                    eul.setZ(eul.getZ() + 40);
                } else if (event.getPreviousSlot() > event.getNewSlot()) {
                    eul.setX(eul.getX() - 40);
                    eul.setY(eul.getY() - 40);
                    eul.setZ(eul.getZ() - 40);
                }

            }
    }
}