OpenSim/Region/Environment/Modules/ChatModule.cs


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using System;
using System.IO;
using System.Net.Sockets;
using System.Threading;
using libsecondlife;
using OpenSim.Framework.Interfaces;
using OpenSim.Framework.Utilities;
using OpenSim.Region.Environment.Interfaces;
using OpenSim.Region.Environment.Scenes;

namespace OpenSim.Region.Environment.Modules
{
    public class ChatModule : IRegionModule, ISimChat
    {
        private Scene m_scene;

        private string m_server = "irc2.choopa.net";

        // private int m_port = 6668;
        //private string m_user = "USER OpenSimBot 8 * :I'm a OpenSim to irc bot";
        private string m_nick = "OSimBot";
        private string m_channel = "#opensim";

        // private NetworkStream m_stream;
        private TcpClient m_irc;
        private StreamWriter m_ircWriter;
        private StreamReader m_ircReader;

        //  private Thread pingSender;
        //  private Thread listener;

        private bool connected = false;

        public ChatModule()
        {
            m_nick = "OSimBot" + Util.RandomClass.Next(1, 99);
            m_irc = null;
            m_ircWriter = null;
            m_ircReader = null;
        }

        public void Initialise(Scene scene)
        {
            m_scene = scene;
            m_scene.EventManager.OnNewClient += NewClient;

            m_scene.RegisterModuleInterface<ISimChat>(this);
        }

        public void PostInitialise()
        {
            /*
            try
            {
                m_irc = new TcpClient(m_server, m_port);
                m_stream = m_irc.GetStream();
                m_ircReader = new StreamReader(m_stream);
                m_ircWriter = new StreamWriter(m_stream);

                pingSender = new Thread(new ThreadStart(this.PingRun));
                pingSender.Start();

                listener = new Thread(new ThreadStart(this.ListenerRun));
                listener.Start();

                m_ircWriter.WriteLine(m_user);
                m_ircWriter.Flush();
                m_ircWriter.WriteLine("NICK " + m_nick);
                m_ircWriter.Flush();
                m_ircWriter.WriteLine("JOIN " + m_channel);
                m_ircWriter.Flush();
                connected = true;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.ToString());
            }
            */
        }

        public void CloseDown()
        {
            m_ircWriter.Close();
            m_ircReader.Close();
            m_irc.Close();
        }

        public string GetName()
        {
            return "ChatModule";
        }

        public bool IsSharedModule()
        {
            return false;
        }

        public void NewClient(IClientAPI client)
        {
            client.OnChatFromViewer += SimChat;
        }

        public void PingRun()
        {
            while (true)
            {
                m_ircWriter.WriteLine("PING :" + m_server);
                m_ircWriter.Flush();
                Thread.Sleep(15000);
            }
        }

        public void ListenerRun()
        {
            string inputLine;
            LLVector3 pos = new LLVector3(128, 128, 20);
            while (true)
            {
                while ((inputLine = m_ircReader.ReadLine()) != null)
                {
                    Console.WriteLine(inputLine);
                    if (inputLine.Contains(m_channel))
                    {
                        string mess = inputLine.Substring(inputLine.IndexOf(m_channel));
                        m_scene.ForEachScenePresence(delegate(ScenePresence presence)
                                                         {
                                                             presence.ControllingClient.SendChatMessage(
                                                                 Helpers.StringToField(mess), 255, pos, "IRC:",
                                                                 LLUUID.Zero);
                                                         });
                    }
                }
            }
        }

        public void SimChat(byte[] message, byte type, int channel, LLVector3 fromPos, string fromName,
                            LLUUID fromAgentID)
        {
            ScenePresence avatar = null;
            avatar = m_scene.GetScenePresence(fromAgentID);
            if (avatar != null)
            {
                fromPos = avatar.AbsolutePosition;
                fromName = avatar.Firstname + " " + avatar.Lastname;
                avatar = null;
            }

            if (connected)
            {
                m_ircWriter.WriteLine("PRIVMSG " + m_channel + " :" + "<" + fromName + ">:  " +
                                      Util.FieldToString(message));
                m_ircWriter.Flush();
            }

            if (channel == 0)
            {
                m_scene.ForEachScenePresence(delegate(ScenePresence presence)
                                                 {
                                                     int dis = -1000;

                                                     //err ??? the following code seems to be request a scenePresence when it already has a ref to it
                                                     avatar = m_scene.GetScenePresence(presence.ControllingClient.AgentId);
                                                     if (avatar != null)
                                                     {
                                                         dis = (int) avatar.AbsolutePosition.GetDistanceTo(fromPos);
                                                     }

                                                     switch (type)
                                                     {
                                                         case 0: // Whisper
                                                             if ((dis < 10) && (dis > -10))
                                                             {
                                                                 //should change so the message is sent through the avatar rather than direct to the ClientView
                                                                 presence.ControllingClient.SendChatMessage(message,
                                                                                                            type,
                                                                                                            fromPos,
                                                                                                            fromName,
                                                                                                            fromAgentID);
                                                             }
                                                             break;
                                                         case 1: // Say
                                                             if ((dis < 30) && (dis > -30))
                                                             {
                                                                 //Console.WriteLine("sending chat");
                                                                 presence.ControllingClient.SendChatMessage(message,
                                                                                                            type,
                                                                                                            fromPos,
                                                                                                            fromName,
                                                                                                            fromAgentID);
                                                             }
                                                             break;
                                                         case 2: // Shout
                                                             if ((dis < 100) && (dis > -100))
                                                             {
                                                                 presence.ControllingClient.SendChatMessage(message,
                                                                                                            type,
                                                                                                            fromPos,
                                                                                                            fromName,
                                                                                                            fromAgentID);
                                                             }
                                                             break;

                                                         case 0xff: // Broadcast
                                                             presence.ControllingClient.SendChatMessage(message, type,
                                                                                                        fromPos,
                                                                                                        fromName,
                                                                                                        fromAgentID);
                                                             break;
                                                     }
                                                 });
            }
        }
    }
}