messageprocessor.java

Massively Multiplayer Space Trading and Combat game. This is an online strategy game, not a 3D space

/*
 * MessageProcessor.java
 *
 * Copyright (C) 2000 Jason M. Hanley
 * Released under the GNU General Public License (GPL)
 * See license.txt for additional information.
 *
 * Created on July 28, 2000, 11:40 PM
 */

package fate.client;

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
import javax.swing.*;

import fate.messages.*;
import fate.network.*;
import fate.util.*;
import fate.server.*;
import fate.world.*;

/**
 * Thread to handle and process incoming messages for the client.
 *
 * @author  [e-mail]
 * @version 0.1.0
 */
public class MessageProcessor extends Thread {

  static final int DELAY_TIME = 100;
  ClientConnection connection;
  ConsoleFrame console;

  /** Creates new MessageProcessor */
  public MessageProcessor( ClientConnection connection, ConsoleFrame console ) {
    this.connection = connection;
    this.console = console;
  }

  /** Process incoming messages from the server */
  public void run() {
    try {
      Debug.trace( "MessageProcessor initialzed and entering loop" );
      while (true) {
        // Loop while there are incoming messages
        while ( connection.messagesAvailable() ) {
          Object msgIn = connection.nextMessage();
          Class c = msgIn.getClass();
          Debug.trace( "MessageProcessor read msg: " + c.getName() );

          // Handle chat messages
          if ( c.getName().endsWith( "ChatMessage" ) ) {
            console.chatPanel.onReceiveChatMessage( (ChatMessage) msgIn );
          }
          // Handle get player messages
          else if ( c.getName().endsWith( "GetPlayerMessage" ) ) {
            Player player = ((GetPlayerMessage)msgIn).player;
            console.setPlayer( player );

            SwitchMainViewMessage msgToSend = new SwitchMainViewMessage();
            msgToSend.viewType = PlayerState.MAIN_VIEW_SOLARSYSTEM;
            Iterator iter = player.mapShips.values().iterator();
            Ship ship = (Ship) iter.next();
            if (ship != null) {
              Planetoid planetoid = (Planetoid) ship.parent;
              msgToSend.idPlanetoid = planetoid.id;
              SolarSystem solarSystem = (SolarSystem) planetoid.parent;
              msgToSend.idSolarSystem = solarSystem.id;
              Galaxy galaxy = (Galaxy) solarSystem.parent;
              if (galaxy != null)
              msgToSend.idGalaxy = galaxy.id;
              else
              Debug.trace( "Error: galaxy is null" );
            }
            else
            Debug.trace( "Error: ship is null" );

            connection.sendMessage( msgToSend );
          }
          // Handle solar system view messages
          else if ( c.getName().endsWith( "SolarSystemViewMessage" ) ) {
            SolarSystemViewMessage msg = (SolarSystemViewMessage) msgIn;

            OrbitingBody object = (OrbitingBody) msg.planetList.iterator().next();
            Debug.trace( "First planet: " + object.name + ", " + object.id +
            ", pos:" + object.position );

            console.mainViewPanel.updateObjects( msg.planetList );
          }
          // Handle ChangeLoginMessage messages
          else if ( c.getName().endsWith( "ChangeLoginMessage" ) ) {
            ChangeLoginMessage msg = (ChangeLoginMessage) msgIn;
            if( msg.bAccepted == true ) {
              console.parent.editUsername.setText( msg.username );
              console.parent.editPassword.setText( msg.password );
              JOptionPane.showMessageDialog( null, "The server reports that your login " +
              "and/or password has been sucessfully changed.\nThe new values have been " +
              "automatically entered on the main login dialog and will be saved when you exit.",
              "Login/Password changed", JOptionPane.ERROR_MESSAGE);
            } else {
              JOptionPane.showMessageDialog( null, "Error: Server did not accept login change.\n" +
              "It is possible that the username you requested is already in use.\n" +
              "Please try again.",
              "Error", JOptionPane.ERROR_MESSAGE);
            }
          }
        }
        sleep( DELAY_TIME );
      }
    } catch ( Exception e ) {
      Debug.trace( "MessageProcessor.run() Exception " + e.getMessage() );
      e.printStackTrace();
    }
  }

}