Java tutorial
/* * This file is part of Matter Overdrive * Copyright (c) 2015., Simeon Radivoev, All rights reserved. * * Matter Overdrive is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Matter Overdrive is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Matter Overdrive. If not, see <http://www.gnu.org/licenses>. */ package matteroverdrive.network.packet.server; import cpw.mods.fml.common.network.ByteBufUtils; import cpw.mods.fml.common.network.simpleimpl.IMessage; import cpw.mods.fml.common.network.simpleimpl.MessageContext; import io.netty.buffer.ByteBuf; import matteroverdrive.machines.MOTileEntityMachine; import matteroverdrive.machines.MachineNBTCategory; import matteroverdrive.network.packet.AbstractBiPacketHandler; import matteroverdrive.network.packet.TileEntityUpdatePacket; import matteroverdrive.tile.MOTileEntity; import net.minecraft.entity.player.EntityPlayer; import net.minecraft.nbt.NBTTagCompound; import net.minecraft.tileentity.TileEntity; import java.util.EnumSet; /** * Created by Simeon on 8/15/2015. */ public class PacketSendMachineNBT extends TileEntityUpdatePacket { NBTTagCompound data; int cattegories; boolean forceUpdate; public PacketSendMachineNBT() { } public PacketSendMachineNBT(EnumSet<MachineNBTCategory> categories, MOTileEntity tileEntity, boolean forceUpdate, boolean toDisk) { super(tileEntity); data = new NBTTagCompound(); this.forceUpdate = forceUpdate; tileEntity.writeCustomNBT(data, categories, toDisk); this.cattegories = MachineNBTCategory.encode(categories); } @Override public void fromBytes(ByteBuf buf) { super.fromBytes(buf); data = ByteBufUtils.readTag(buf); cattegories = buf.readInt(); forceUpdate = buf.readBoolean(); } @Override public void toBytes(ByteBuf buf) { super.toBytes(buf); ByteBufUtils.writeTag(buf, data); buf.writeInt(cattegories); buf.writeBoolean(forceUpdate); } public static class BiHandler extends AbstractBiPacketHandler<PacketSendMachineNBT> { @Override public IMessage handleClientMessage(EntityPlayer player, PacketSendMachineNBT message, MessageContext ctx) { TileEntity tileEntity = message.getTileEntity(player.worldObj); if (tileEntity instanceof MOTileEntity) { ((MOTileEntity) tileEntity).readCustomNBT(message.data, MachineNBTCategory.decode(message.cattegories)); } return null; } @Override public IMessage handleServerMessage(EntityPlayer player, PacketSendMachineNBT message, MessageContext ctx) { TileEntity tileEntity = message.getTileEntity(player.worldObj); if (tileEntity instanceof MOTileEntity) { ((MOTileEntity) tileEntity).readCustomNBT(message.data, MachineNBTCategory.decode(message.cattegories)); if (message.forceUpdate) { if (tileEntity instanceof MOTileEntityMachine) { ((MOTileEntityMachine) tileEntity).forceSync(); } else { player.worldObj.markBlockForUpdate(tileEntity.xCoord, tileEntity.yCoord, tileEntity.zCoord); } } } return null; } } }