// patch method @Overwrite public void processVanilla250Packet(C17PacketCustomPayload p_147349_1_) { PacketBuffer packetbuffer; ItemStack itemstack; ItemStack itemstack1; if ("MC|BEdit".equals(p_147349_1_.func_149559_c())) { packetbuffer = new PacketBuffer(Unpooled.wrappedBuffer(p_147349_1_.func_149558_e())); try { itemstack = packetbuffer.readItemStackFromBuffer(); if (itemstack == null) { return; } if (!ItemWritableBook.func_150930_a(itemstack.getTagCompound())) { throw new IOException("Invalid book tag!"); } itemstack1 = playerEntity.inventory.getCurrentItem(); if (itemstack1 != null) { if (itemstack.getItem() == Items.writable_book && itemstack.getItem() == itemstack1.getItem()) { itemstack1.setTagInfo("pages", itemstack.getTagCompound().getTagList("pages", 8)); } return; } } catch (Exception exception4) { logger.error("Couldn\'t handle book info", exception4); return; } finally { packetbuffer.release(); } return; } else if ("MC|BSign".equals(p_147349_1_.func_149559_c())) { packetbuffer = new PacketBuffer(Unpooled.wrappedBuffer(p_147349_1_.func_149558_e())); try { itemstack = packetbuffer.readItemStackFromBuffer(); if (itemstack != null) { if (!ItemEditableBook.validBookTagContents(itemstack.getTagCompound())) { throw new IOException("Invalid book tag!"); } itemstack1 = playerEntity.inventory.getCurrentItem(); if (itemstack1 == null) { return; } if (itemstack.getItem() == Items.written_book && itemstack1.getItem() == Items.writable_book) { itemstack1.setTagInfo("author", new NBTTagString(playerEntity.getCommandSenderName())); itemstack1.setTagInfo( "title", new NBTTagString(itemstack.getTagCompound().getString("title"))); itemstack1.setTagInfo("pages", itemstack.getTagCompound().getTagList("pages", 8)); itemstack1.func_150996_a(Items.written_book); } return; } } catch (Exception exception3) { logger.error("Couldn\'t sign book", exception3); return; } finally { packetbuffer.release(); } return; } else { DataInputStream datainputstream; int i; if ("MC|TrSel".equals(p_147349_1_.func_149559_c())) { try { datainputstream = new DataInputStream(new ByteArrayInputStream(p_147349_1_.func_149558_e())); i = datainputstream.readInt(); Container container = playerEntity.openContainer; if (container instanceof ContainerMerchant) { ((ContainerMerchant) container).setCurrentRecipeIndex(i); } } catch (Exception exception2) { logger.error("Couldn\'t select trade", exception2); } } else if ("MC|AdvCdm".equals(p_147349_1_.func_149559_c())) { if (!serverController.isCommandBlockEnabled()) { playerEntity.addChatMessage( new ChatComponentTranslation("advMode.notEnabled", new Object[0])); } else if (PermissionManager.checkPermission(playerEntity, "mc.cmdblocks") && playerEntity.capabilities.isCreativeMode) { packetbuffer = new PacketBuffer(Unpooled.wrappedBuffer(p_147349_1_.func_149558_e())); try { byte b0 = packetbuffer.readByte(); CommandBlockLogic commandblocklogic = null; if (b0 == 0) { TileEntity tileentity = playerEntity.worldObj.getTileEntity( packetbuffer.readInt(), packetbuffer.readInt(), packetbuffer.readInt()); if (tileentity instanceof TileEntityCommandBlock) { commandblocklogic = ((TileEntityCommandBlock) tileentity).func_145993_a(); } } else if (b0 == 1) { Entity entity = playerEntity.worldObj.getEntityByID(packetbuffer.readInt()); if (entity instanceof EntityMinecartCommandBlock) { commandblocklogic = ((EntityMinecartCommandBlock) entity).func_145822_e(); } } String s1 = packetbuffer.readStringFromBuffer(packetbuffer.readableBytes()); if (commandblocklogic != null) { commandblocklogic.func_145752_a(s1); commandblocklogic.func_145756_e(); playerEntity.addChatMessage( new ChatComponentTranslation("advMode.setCommand.success", new Object[] {s1})); } } catch (Exception exception1) { logger.error("Couldn\'t set command block", exception1); } finally { packetbuffer.release(); } } else { playerEntity.addChatMessage( new ChatComponentTranslation("advMode.notAllowed", new Object[0])); } } else if ("MC|Beacon".equals(p_147349_1_.func_149559_c())) { if (playerEntity.openContainer instanceof ContainerBeacon) { try { datainputstream = new DataInputStream(new ByteArrayInputStream(p_147349_1_.func_149558_e())); i = datainputstream.readInt(); int j = datainputstream.readInt(); ContainerBeacon containerbeacon = (ContainerBeacon) playerEntity.openContainer; Slot slot = containerbeacon.getSlot(0); if (slot.getHasStack()) { slot.decrStackSize(1); TileEntityBeacon tileentitybeacon = containerbeacon.func_148327_e(); tileentitybeacon.setPrimaryEffect(i); tileentitybeacon.setSecondaryEffect(j); tileentitybeacon.markDirty(); } } catch (Exception exception) { logger.error("Couldn\'t set beacon", exception); } } } else if ("MC|ItemName".equals(p_147349_1_.func_149559_c()) && playerEntity.openContainer instanceof ContainerRepair) { ContainerRepair containerrepair = (ContainerRepair) playerEntity.openContainer; if (p_147349_1_.func_149558_e() != null && p_147349_1_.func_149558_e().length >= 1) { String s = ChatAllowedCharacters.filerAllowedCharacters( new String(p_147349_1_.func_149558_e(), Charsets.UTF_8)); if (s.length() <= 30) { containerrepair.updateItemName(s); } } else { containerrepair.updateItemName(""); } } } }
/** Process the contents of this packet */ public void handle(NetHandlerPlayServer handler) { PacketThreadUtil.processPacket(this, handler, handler.playerEntity.getWorldForPlayer()); PacketBuffer var2; ItemStack var3; ItemStack var4; if ("MC|BEdit".equals(this.channel)) { var2 = new PacketBuffer(Unpooled.wrappedBuffer(this.data)); try { var3 = var2.readItemStackFromBuffer(); if (var3 == null) return; if (!ItemWritableBook.validBookPageTagContents(var3.getTagCompound())) { throw new IOException("Invalid book tag!"); } var4 = handler.playerEntity.inventory.getCurrentItem(); if (var4 != null) { if (var3.getItem() == Items.writable_book && var3.getItem() == var4.getItem()) { var4.setTagInfo("pages", var3.getTagCompound().getTagList("pages", 8)); } } } catch (Exception ignored) { } finally { var2.release(); } } else if ("MC|BSign".equals(this.channel)) { var2 = new PacketBuffer(Unpooled.wrappedBuffer(this.data)); try { var3 = var2.readItemStackFromBuffer(); if (var3 == null) { return; } if (!ItemEditableBook.validBookTagContents(var3.getTagCompound())) { throw new IOException("Invalid book tag!"); } var4 = handler.playerEntity.inventory.getCurrentItem(); if (var4 != null) { if (var3.getItem() == Items.written_book && var4.getItem() == Items.writable_book) { var4.setTagInfo("author", new NBTTagString(handler.playerEntity.getName())); var4.setTagInfo("title", new NBTTagString(var3.getTagCompound().getString("title"))); var4.setTagInfo("pages", var3.getTagCompound().getTagList("pages", 8)); var4.setItem(Items.written_book); } } } catch (Exception ignored) { } finally { var2.release(); } } else if ("MC|TrSel".equals(this.channel)) { try { int var40 = this.data.readInt(); Container container = handler.playerEntity.openContainer; if (container instanceof ContainerMerchant) { ((ContainerMerchant) container).setCurrentRecipeIndex(var40); } } catch (Exception ignored) { } } else if ("MC|AdvCdm".equals(this.channel)) { if (!handler.serverController.isCommandBlockEnabled()) { handler.playerEntity.addChatMessage(new FormattedTextTranslation("advMode.notEnabled")); } else if (handler.playerEntity.canCommandSenderUseCommand(2, "") && handler.playerEntity.capabilities.isCreativeMode) { var2 = this.data; try { byte var43 = var2.readByte(); CommandBlockLogic var46 = null; if (var43 == 0) { var46 = $.bind( handler.playerEntity.world.getTileEntity( new BlockPos(var2.readInt(), var2.readInt(), var2.readInt()), TileEntityCommandBlock.class), TileEntityCommandBlock::getCommandBlockLogic); } else if (var43 == 1) { var46 = $.bind( handler.playerEntity.world.getEntityByID( var2.readInt(), EntityMinecartCommandBlock.class), EntityMinecartCommandBlock::getCommandBlockLogic); } String var49 = var2.readString(var2.readableBytes()); boolean var6 = var2.readBoolean(); if (var46 != null) { var46.setCommand(var49); var46.setCommandFeedback(var6); if (!var6) { var46.func_145750_b(null); } var46.markForUpdate(); handler.playerEntity.addChatMessage( new FormattedTextTranslation("advMode.setCommand.success", var49)); } } catch (Exception ignored) { } finally { var2.release(); } } else { handler.playerEntity.addChatMessage(new FormattedTextTranslation("advMode.notAllowed")); } } else if ("MC|Beacon".equals(this.channel)) { if (handler.playerEntity.openContainer instanceof ContainerBeacon) { try { var2 = this.data; int var44 = var2.readInt(); int var47 = var2.readInt(); ContainerBeacon var50 = (ContainerBeacon) handler.playerEntity.openContainer; Slot var51 = var50.getSlot(0); if (var51.hasStack()) { var51.decreaseStackSize(1); IInventory var7 = var50.getTileEntity(); var7.setField(1, var44); var7.setField(2, var47); var7.markDirty(); } } catch (Exception ignored) { } } } else if ("MC|ItemName".equals(this.channel) && handler.playerEntity.openContainer instanceof ContainerAnvil) { ContainerAnvil container = (ContainerAnvil) handler.playerEntity.openContainer; if (this.data != null && this.data.readableBytes() >= 1) { String data = ChatAllowedCharacters.filterAllowedCharacters(this.data.readString(32767)); if (data.length() <= 30) { container.updateItemName(data); } } else { container.updateItemName(""); } } }