BookDeenchantListener.java 文件源码

@EventHandler(ignoreCancelled = true, priority = EventPriority.HIGH)
public void onPlayerInteract(PlayerInteractEvent event) {
    if (event.getAction() == Action.LEFT_CLICK_BLOCK && event.hasItem()) {
        // The player didn't click an enchantment table, Creative players will instantly destroy.
        Player player = event.getPlayer();
        if (event.getClickedBlock().getType() == Material.ENCHANTMENT_TABLE && player.getGameMode() != GameMode.CREATIVE) {

            // The player didn't click with an enchanted book.
            ItemStack stack = event.getItem();
            if (stack != null && stack.getType() == Material.ENCHANTED_BOOK) {
                ItemMeta meta = stack.getItemMeta();
                if (meta instanceof EnchantmentStorageMeta) {
                    EnchantmentStorageMeta enchantmentStorageMeta = (EnchantmentStorageMeta) meta;
                    for (Enchantment enchantment : enchantmentStorageMeta.getStoredEnchants().keySet()) {
                        enchantmentStorageMeta.removeStoredEnchant(enchantment);
                    }

                    event.setCancelled(true);
                    player.setItemInHand(EMPTY_BOOK);
                    player.sendMessage(ChatColor.GREEN + "You reverted this item to its original form.");
                }
            }
        }
    }
}