package tconstruct.util.network;
import cpw.mods.fml.common.FMLCommonHandler;
import cpw.mods.fml.common.network.*;
import cpw.mods.fml.common.network.internal.FMLProxyPacket;
import cpw.mods.fml.relauncher.*;
import io.netty.buffer.*;
import io.netty.channel.*;
import io.netty.handler.codec.MessageToMessageCodec;
import java.util.*;
import mantle.common.network.*;
import net.minecraft.client.Minecraft;
import net.minecraft.entity.player.*;
import net.minecraft.network.*;
/**
* Packet pipeline class. Directs all registered packet data to be handled by
* the packets themselves.
*
* @author sirgingalot some code from: cpw
*/
@ChannelHandler.Sharable
public class PacketPipeline extends MessageToMessageCodec<FMLProxyPacket, AbstractPacket>
{
private EnumMap<Side, FMLEmbeddedChannel> channels;
private LinkedList<Class<? extends AbstractPacket>> packets = new LinkedList<Class<? extends AbstractPacket>>();
private boolean isPostInitialised = false;
/**
* Register your packet with the pipeline. Discriminators are automatically
* set.
*
* @param clazz
* the class to register
*
* @return whether registration was successful. Failure may occur if 256
* packets have been registered or if the registry already contains
* this packet
*/
public boolean registerPacket (Class<? extends AbstractPacket> clazz)
{
if (this.packets.size() > 256)
{
// You should log here!!
return false;
}
if (this.packets.contains(clazz))
{
// You should log here!!
return false;
}
if (this.isPostInitialised)
{
// You should log here!!
return false;
}
this.packets.add(clazz);
return true;
}
// In line encoding of the packet, including discriminator setting
@Override
protected void encode (ChannelHandlerContext ctx, AbstractPacket msg, List<Object> out) throws Exception
{
ByteBuf buffer = Unpooled.buffer();
Class<? extends AbstractPacket> clazz = msg.getClass();
if (!this.packets.contains(msg.getClass()))
{
throw new NullPointerException("No Packet Registered for: " + msg.getClass().getCanonicalName());
}
byte discriminator = (byte) this.packets.indexOf(clazz);
buffer.writeByte(discriminator);
msg.encodeInto(ctx, buffer);
FMLProxyPacket proxyPacket = new FMLProxyPacket(buffer.copy(), ctx.channel().attr(NetworkRegistry.FML_CHANNEL).get());
out.add(proxyPacket);
}
// In line decoding and handling of the packet
@Override
protected void decode (ChannelHandlerContext ctx, FMLProxyPacket msg, List<Object> out) throws Exception
{
ByteBuf payload = msg.payload();
byte discriminator = payload.readByte();
Class<? extends AbstractPacket> clazz = this.packets.get(discriminator);
if (clazz == null)
{
throw new NullPointerException("No packet registered for discriminator: " + discriminator);
}
AbstractPacket pkt = clazz.newInstance();
pkt.decodeInto(ctx, payload.slice());
EntityPlayer player;
switch (FMLCommonHandler.instance().getEffectiveSide())
{
case CLIENT:
player = this.getClientPlayer();
pkt.handleClientSide(player);
break;
case SERVER:
INetHandler netHandler = ctx.channel().attr(NetworkRegistry.NET_HANDLER).get();
player = ((NetHandlerPlayServer) netHandler).playerEntity;
pkt.handleServerSide(player);
break;
default:
}
}
// Method to call from FMLInitializationEvent
public void initalise ()
{
this.channels = NetworkRegistry.INSTANCE.newChannel("TConstruct", this);
registerPackets();
}
public void registerPackets ()
{
registerPacket(HealthUpdatePacket.class);
registerPacket(DoubleJumpPacket.class);
registerPacket(AccessoryInventoryPacket.class);
registerPacket(SmelteryPacket.class);
registerPacket(PatternTablePacket.class);
registerPacket(ToolStationPacket.class);
registerPacket(PacketUpdateTE.class);
registerPacket(SignDataPacket.class);
registerPacket(BeltPacket.class);
registerPacket(GogglePacket.class);
}
// Method to call from FMLPostInitializationEvent
// Ensures that packet discriminators are common between server and client
// by using logical sorting
public void postInitialise ()
{
if (this.isPostInitialised)
{
return;
}
this.isPostInitialised = true;
Collections.sort(this.packets, new Comparator<Class<? extends AbstractPacket>>()
{
@Override
public int compare (Class<? extends AbstractPacket> clazz1, Class<? extends AbstractPacket> clazz2)
{
int com = String.CASE_INSENSITIVE_ORDER.compare(clazz1.getCanonicalName(), clazz2.getCanonicalName());
if (com == 0)
{
com = clazz1.getCanonicalName().compareTo(clazz2.getCanonicalName());
}
return com;
}
});
}
@SideOnly(Side.CLIENT)
private EntityPlayer getClientPlayer ()
{
return Minecraft.getMinecraft().thePlayer;
}
/**
* Send this message to everyone.
* <p/>
* Adapted from CPW's code in
* cpw.mods.fml.common.network.simpleimpl.SimpleNetworkWrapper
*
* @param message
* The message to send
*/
public void sendToAll (AbstractPacket message)
{
this.channels.get(Side.SERVER).attr(FMLOutboundHandler.FML_MESSAGETARGET).set(FMLOutboundHandler.OutboundTarget.ALL);
this.channels.get(Side.SERVER).writeAndFlush(message);
}
/**
* Send this message to the specified player.
* <p/>
* Adapted from CPW's code in
* cpw.mods.fml.common.network.simpleimpl.SimpleNetworkWrapper
*
* @param message
* The message to send
* @param player
* The player to send it to
*/
public void sendTo (AbstractPacket message, EntityPlayerMP player)
{
this.channels.get(Side.SERVER).attr(FMLOutboundHandler.FML_MESSAGETARGET).set(FMLOutboundHandler.OutboundTarget.PLAYER);
this.channels.get(Side.SERVER).attr(FMLOutboundHandler.FML_MESSAGETARGETARGS).set(player);
this.channels.get(Side.SERVER).writeAndFlush(message);
}
/**
* Send this message to everyone within a certain range of a point.
* <p/>
* Adapted from CPW's code in
* cpw.mods.fml.common.network.simpleimpl.SimpleNetworkWrapper
*
* @param message
* The message to send
* @param point
* The
* {@link cpw.mods.fml.common.network.NetworkRegistry.TargetPoint}
* around which to send
*/
public void sendToAllAround (AbstractPacket message, NetworkRegistry.TargetPoint point)
{
this.channels.get(Side.SERVER).attr(FMLOutboundHandler.FML_MESSAGETARGET).set(FMLOutboundHandler.OutboundTarget.ALLAROUNDPOINT);
this.channels.get(Side.SERVER).attr(FMLOutboundHandler.FML_MESSAGETARGETARGS).set(point);
this.channels.get(Side.SERVER).writeAndFlush(message);
}
/**
* Send this message to everyone within the supplied dimension.
* <p/>
* Adapted from CPW's code in
* cpw.mods.fml.common.network.simpleimpl.SimpleNetworkWrapper
*
* @param message
* The message to send
* @param dimensionId
* The dimension id to target
*/
public void sendToDimension (AbstractPacket message, int dimensionId)
{
this.channels.get(Side.SERVER).attr(FMLOutboundHandler.FML_MESSAGETARGET).set(FMLOutboundHandler.OutboundTarget.DIMENSION);
this.channels.get(Side.SERVER).attr(FMLOutboundHandler.FML_MESSAGETARGETARGS).set(dimensionId);
this.channels.get(Side.SERVER).writeAndFlush(message);
}
/**
* Send this message to the server.
* <p/>
* Adapted from CPW's code in
* cpw.mods.fml.common.network.simpleimpl.SimpleNetworkWrapper
*
* @param message
* The message to send
*/
public void sendToServer (AbstractPacket message)
{
this.channels.get(Side.CLIENT).attr(FMLOutboundHandler.FML_MESSAGETARGET).set(FMLOutboundHandler.OutboundTarget.TOSERVER);
this.channels.get(Side.CLIENT).writeAndFlush(message);
}
}