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package gregtech.common;
import static gregtech.GT_Mod.GT_FML_LOGGER;
import java.util.EnumMap;
import java.util.List;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.world.World;
import net.minecraft.world.chunk.Chunk;
import com.google.common.io.ByteArrayDataInput;
import com.google.common.io.ByteStreams;
import cpw.mods.fml.common.network.FMLEmbeddedChannel;
import cpw.mods.fml.common.network.FMLOutboundHandler;
import cpw.mods.fml.common.network.NetworkRegistry;
import cpw.mods.fml.common.network.internal.FMLProxyPacket;
import cpw.mods.fml.relauncher.Side;
import gregtech.api.enums.GT_Values;
import gregtech.api.net.GT_Packet;
import gregtech.api.net.GT_PacketTypes;
import gregtech.api.net.GT_Packet_New;
import gregtech.api.net.IGT_NetworkHandler;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.MessageToMessageCodec;
@ChannelHandler.Sharable
@SuppressWarnings("deprecation")
public class GT_Network extends MessageToMessageCodec<FMLProxyPacket, GT_Packet> implements IGT_NetworkHandler {
private final EnumMap<Side, FMLEmbeddedChannel> mChannel;
private final GT_Packet[] mSubChannels;
public GT_Network() {
this("GregTech", GT_PacketTypes.referencePackets());
}
public GT_Network(String channelName, GT_Packet_New... packetTypes) {
this.mChannel = NetworkRegistry.INSTANCE.newChannel(channelName, this, new HandlerShared());
final int lastPId = packetTypes[packetTypes.length - 1].getPacketID();
this.mSubChannels = new GT_Packet[lastPId + 1];
for (GT_Packet packetType : packetTypes) {
final int pId = packetType.getPacketID();
if (this.mSubChannels[pId] == null) this.mSubChannels[pId] = packetType;
else throw new IllegalArgumentException("Duplicate Packet ID! " + pId);
}
}
@Override
protected void encode(ChannelHandlerContext aContext, GT_Packet aPacket, List<Object> aOutput) {
final ByteBuf tBuf = Unpooled.buffer()
.writeByte(aPacket.getPacketID());
aPacket.encode(tBuf);
aOutput.add(
new FMLProxyPacket(
tBuf,
aContext.channel()
.attr(NetworkRegistry.FML_CHANNEL)
.get()));
}
@Override
protected void decode(ChannelHandlerContext aContext, FMLProxyPacket aPacket, List<Object> aOutput) {
final ByteArrayDataInput aData = ByteStreams.newDataInput(
aPacket.payload()
.array());
final GT_Packet tPacket = this.mSubChannels[aData.readByte()].decode(aData);
tPacket.setINetHandler(aPacket.handler());
aOutput.add(tPacket);
}
@Override
public void sendToPlayer(GT_Packet aPacket, EntityPlayerMP aPlayer) {
if (aPacket == null) {
GT_FML_LOGGER.info("packet null");
return;
}
if (aPlayer == null) {
GT_FML_LOGGER.info("player null");
return;
}
this.mChannel.get(Side.SERVER)
.attr(FMLOutboundHandler.FML_MESSAGETARGET)
.set(FMLOutboundHandler.OutboundTarget.PLAYER);
this.mChannel.get(Side.SERVER)
.attr(FMLOutboundHandler.FML_MESSAGETARGETARGS)
.set(aPlayer);
this.mChannel.get(Side.SERVER)
.writeAndFlush(aPacket);
}
@Override
public void sendToAllAround(GT_Packet aPacket, NetworkRegistry.TargetPoint aPosition) {
this.mChannel.get(Side.SERVER)
.attr(FMLOutboundHandler.FML_MESSAGETARGET)
.set(FMLOutboundHandler.OutboundTarget.ALLAROUNDPOINT);
this.mChannel.get(Side.SERVER)
.attr(FMLOutboundHandler.FML_MESSAGETARGETARGS)
.set(aPosition);
this.mChannel.get(Side.SERVER)
.writeAndFlush(aPacket);
}
@Override
public void sendToServer(GT_Packet aPacket) {
this.mChannel.get(Side.CLIENT)
.attr(FMLOutboundHandler.FML_MESSAGETARGET)
.set(FMLOutboundHandler.OutboundTarget.TOSERVER);
this.mChannel.get(Side.CLIENT)
.writeAndFlush(aPacket);
}
@Override
public void sendPacketToAllPlayersInRange(World aWorld, GT_Packet aPacket, int aX, int aZ) {
if (!aWorld.isRemote) {
for (Object tObject : aWorld.playerEntities) {
if (!(tObject instanceof EntityPlayerMP tPlayer)) {
break;
}
Chunk tChunk = aWorld.getChunkFromBlockCoords(aX, aZ);
if (tPlayer.getServerForPlayer()
.getPlayerManager()
.isPlayerWatchingChunk(tPlayer, tChunk.xPosition, tChunk.zPosition)) {
sendToPlayer(aPacket, tPlayer);
}
}
}
}
@ChannelHandler.Sharable
static final class HandlerShared extends SimpleChannelInboundHandler<GT_Packet> {
@Override
protected void channelRead0(ChannelHandlerContext ctx, GT_Packet aPacket) {
final EntityPlayer aPlayer = GT_Values.GT.getThePlayer();
aPacket.process(aPlayer == null ? null : aPlayer.worldObj);
}
}
}
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