Java tutorial
package buildcraftAdditions.networking; import net.minecraft.tileentity.TileEntity; import cpw.mods.fml.common.network.simpleimpl.IMessage; import cpw.mods.fml.common.network.simpleimpl.IMessageHandler; import cpw.mods.fml.common.network.simpleimpl.MessageContext; import buildcraftAdditions.tileEntities.Bases.TileKineticEnergyBufferBase; import io.netty.buffer.ByteBuf; /** * Copyright (c) 2014, AEnterprise * http://buildcraftadditions.wordpress.com/ * Buildcraft Additions is distributed under the terms of GNU GPL v3.0 * Please check the contents of the license located in * http://buildcraftadditions.wordpress.com/wiki/licensing-stuff/ */ public class MessageSelfDestruct implements IMessage, IMessageHandler<MessageSelfDestruct, IMessage> { public int x, y, z; public MessageSelfDestruct() { } public MessageSelfDestruct(int x, int y, int z) { this.x = x; this.y = y; this.z = z; } @Override public void fromBytes(ByteBuf buf) { x = buf.readInt(); y = buf.readInt(); z = buf.readInt(); } @Override public void toBytes(ByteBuf buf) { buf.writeInt(x); buf.writeInt(y); buf.writeInt(z); } @Override public IMessage onMessage(MessageSelfDestruct message, MessageContext ctx) { TileEntity entity = ctx.getServerHandler().playerEntity.worldObj.getTileEntity(message.x, message.y, message.z); if (entity instanceof TileKineticEnergyBufferBase) ((TileKineticEnergyBufferBase) entity).activateSelfDestruct(); return null; } }