CraftEventFactory.java 文件源码

public static void handleEditBookEvent(EntityPlayer player, ItemStack newBookItem) {
    int itemInHandIndex = player.inventory.itemInHandIndex;

    PlayerEditBookEvent editBookEvent = new PlayerEditBookEvent(player.getBukkitEntity(), player.inventory.itemInHandIndex, (BookMeta) CraftItemStack.getItemMeta(player.inventory.getItemInHand()), (BookMeta) CraftItemStack.getItemMeta(newBookItem), newBookItem.id == Item.WRITTEN_BOOK.id);
    player.world.getServer().getPluginManager().callEvent(editBookEvent);
    ItemStack itemInHand = player.inventory.getItem(itemInHandIndex);

    // If they've got the same item in their hand, it'll need to be updated.
    if (itemInHand.id == Item.BOOK_AND_QUILL.id) {
        if (!editBookEvent.isCancelled()) {
            CraftItemStack.setItemMeta(itemInHand, editBookEvent.getNewBookMeta());
            if (editBookEvent.isSigning()) {
                itemInHand.id = Item.WRITTEN_BOOK.id;
            }
        }

        // Client will have updated its idea of the book item; we need to overwrite that
        Slot slot = player.activeContainer.a((IInventory) player.inventory, itemInHandIndex);
        player.playerConnection.sendPacket(new Packet103SetSlot(player.activeContainer.windowId, slot.g, itemInHand));
    }
}