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.bi; import cpw.mods.fml.common.network.simpleimpl.IMessage; import cpw.mods.fml.common.network.simpleimpl.MessageContext; import io.netty.buffer.ByteBuf; import matteroverdrive.network.packet.AbstractBiPacketHandler; import matteroverdrive.network.packet.PacketAbstract; import matteroverdrive.starmap.GalaxyClient; import matteroverdrive.starmap.GalaxyServer; import matteroverdrive.starmap.data.Quadrant; import matteroverdrive.starmap.data.Star; import net.minecraft.entity.player.EntityPlayer; /** * Created by Simeon on 12/19/2015. */ public class PacketStarLoading extends PacketAbstract { int quadrantID; int starID; Star star; public PacketStarLoading() { } public PacketStarLoading(int quadrantID, int starID) { this.quadrantID = quadrantID; this.starID = starID; } public PacketStarLoading(int quadrantID, Star star) { this.quadrantID = quadrantID; this.star = star; } @Override public void fromBytes(ByteBuf buf) { quadrantID = buf.readInt(); starID = buf.readInt(); star = new Star(); if (buf.readBoolean()) { star = new Star(); star.readFromBuffer(buf); } } @Override public void toBytes(ByteBuf buf) { buf.writeInt(quadrantID); buf.writeInt(starID); buf.writeBoolean(star != null); if (star != null) { star.writeToBuffer(buf); } } public static class BiHandler extends AbstractBiPacketHandler<PacketStarLoading> { @Override public IMessage handleClientMessage(EntityPlayer player, PacketStarLoading message, MessageContext ctx) { Quadrant quadrant = GalaxyClient.getInstance().getTheGalaxy().getQuadrantMap().get(message.quadrantID); if (quadrant != null && message.star != null) { quadrant.addStar(message.star); message.star.setQuadrant(quadrant); } return null; } @Override public IMessage handleServerMessage(EntityPlayer player, PacketStarLoading message, MessageContext ctx) { Quadrant quadrant = GalaxyServer.getInstance().getTheGalaxy().getQuadrantMap().get(message.quadrantID); if (quadrant != null) { Star star = quadrant.getStarMap().get(message.starID); if (star != null) { return new PacketStarLoading(message.quadrantID, star); } } return null; } } }