Java tutorial
package com.yyon.grapplinghook.network; import io.netty.buffer.ByteBuf; import net.minecraft.client.Minecraft; import net.minecraft.util.IThreadListener; import net.minecraftforge.fml.common.network.simpleimpl.IMessage; import net.minecraftforge.fml.common.network.simpleimpl.IMessageHandler; import net.minecraftforge.fml.common.network.simpleimpl.MessageContext; import com.yyon.grapplinghook.grapplemod; /* * This file is part of GrappleMod. GrappleMod 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. GrappleMod 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 GrappleMod. If not, see <http://www.gnu.org/licenses/>. */ public class GrappleClickMessage implements IMessage { public int id; public boolean leftclick; public GrappleClickMessage() { } public GrappleClickMessage(int id, boolean leftclick) { this.id = id; this.leftclick = leftclick; } @Override public void fromBytes(ByteBuf buf) { this.id = buf.readInt(); this.leftclick = buf.readBoolean(); } @Override public void toBytes(ByteBuf buf) { buf.writeInt(this.id); buf.writeBoolean(this.leftclick); } public static class Handler implements IMessageHandler<GrappleClickMessage, IMessage> { public class runner implements Runnable { GrappleClickMessage message; MessageContext ctx; public runner(GrappleClickMessage message, MessageContext ctx) { super(); this.message = message; this.ctx = ctx; } @Override public void run() { grapplemod.receiveGrappleClick(message.id, message.leftclick); } } @Override public IMessage onMessage(GrappleClickMessage message, MessageContext ctx) { IThreadListener mainThread = Minecraft.getMinecraft(); // or Minecraft.getMinecraft() on the client mainThread.addScheduledTask(new runner(message, ctx)); return null; // no response in this case } } }