@Override public ItemStack transferStackInSlot(EntityPlayer player, int i) { Slot slot = (Slot) inventorySlots.get(i); Slot slotpaper = (Slot) inventorySlots.get(1); if (slot != null && slot.getHasStack()) { ItemStack itemstack1 = slot.getStack(); if (i <= 8) { if (!this.mergeItemStack(itemstack1, 9, this.inventorySlots.size(), true)) { return null; } } if (itemstack1.stackSize == 0) { slot.putStack(null); } else { slot.onSlotChanged(); } } return null; }
/** 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(""); } } }