ClientPluginChannelsClient.java
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/*
* This file is part of LiteLoader.
* Copyright (C) 2012-16 Adam Mummery-Smith
* All Rights Reserved.
*/
package com.mumfrey.liteloader.client;
import com.mumfrey.liteloader.client.ducks.IClientNetLoginHandler;
import com.mumfrey.liteloader.core.ClientPluginChannels;
import com.mumfrey.liteloader.core.exceptions.UnregisteredChannelException;
import net.minecraft.client.Minecraft;
import net.minecraft.network.INetHandler;
import net.minecraft.network.NetworkManager;
import net.minecraft.network.PacketBuffer;
import net.minecraft.network.login.INetHandlerLoginClient;
import net.minecraft.network.login.server.SPacketLoginSuccess;
import net.minecraft.network.play.INetHandlerPlayClient;
import net.minecraft.network.play.client.CPacketCustomPayload;
import net.minecraft.network.play.server.SPacketCustomPayload;
import net.minecraft.network.play.server.SPacketJoinGame;
/**
* Handler for client plugin channels
*
* @author Adam Mummery-Smith
*/
public class ClientPluginChannelsClient extends ClientPluginChannels
{
/**
* @param netHandler
* @param loginPacket
*/
void onPostLogin(INetHandlerLoginClient netHandler, SPacketLoginSuccess loginPacket)
{
this.clearPluginChannels(netHandler);
}
/**
* @param netHandler
* @param loginPacket
*/
void onJoinGame(INetHandler netHandler, SPacketJoinGame loginPacket)
{
this.sendRegisteredPluginChannels(netHandler);
}
/**
* Callback for the plugin channel hook
*
* @param customPayload
*/
@Override
public void onPluginChannelMessage(SPacketCustomPayload customPayload)
{
if (customPayload != null && customPayload.getChannelName() != null)
{
String channel = customPayload.getChannelName();
PacketBuffer data = customPayload.getBufferData();
this.onPluginChannelMessage(channel, data);
}
}
/**
* @param netHandler
* @param registrationData
*/
@Override
protected void sendRegistrationData(INetHandler netHandler, PacketBuffer registrationData)
{
if (netHandler instanceof INetHandlerLoginClient)
{
NetworkManager networkManager = ((IClientNetLoginHandler)netHandler).getNetMgr();
networkManager.sendPacket(new CPacketCustomPayload(CHANNEL_REGISTER, registrationData));
}
else if (netHandler instanceof INetHandlerPlayClient)
{
ClientPluginChannelsClient.dispatch(new CPacketCustomPayload(CHANNEL_REGISTER, registrationData));
}
}
/**
* Send a message to the server on a plugin channel
*
* @param channel Channel to send, must not be a reserved channel name
* @param data
*/
@Override
protected boolean send(String channel, PacketBuffer data, ChannelPolicy policy)
{
if (channel == null || channel.length() > 16 || CHANNEL_REGISTER.equals(channel) || CHANNEL_UNREGISTER.equals(channel))
{
throw new RuntimeException("Invalid channel name specified");
}
if (!policy.allows(this, channel))
{
if (policy.isSilent()) return false;
throw new UnregisteredChannelException(channel);
}
CPacketCustomPayload payload = new CPacketCustomPayload(channel, data);
return ClientPluginChannelsClient.dispatch(payload);
}
/**
* @param payload
*/
static boolean dispatch(CPacketCustomPayload payload)
{
try
{
Minecraft minecraft = Minecraft.getMinecraft();
if (minecraft.thePlayer != null && minecraft.thePlayer.connection != null)
{
minecraft.thePlayer.connection.sendPacket(payload);
return true;
}
}
catch (Exception ex) {}
return false;
}
}