Merge remote-tracking branch 'origin/Story1247_AutoDiscovery' into NewUI

# Conflicts:
#	pom.xml
#	src/main/java/seng302/App.java
#	src/main/java/seng302/visualiser/controllers/StartScreenController.java
#	src/main/resources/views/StartScreenView.fxml

src/main/java/seng302/visualiser/GameClient.java

@@ -142,6 +142,7 @@ public class GameClient {
     }
 
     private void loadStartScreen() {
+
         socketThread.setSocketToClose();
         if (server != null) {
             server.terminate();

src/main/java/seng302/visualiser/ServerListener.java

@@ -0,0 +1,113 @@
+package seng302.visualiser;
+
+import seng302.gameServer.ServerAdvertiser;
+import seng302.gameServer.ServerDescription;
+
+import javax.jmdns.JmDNS;
+import javax.jmdns.ServiceEvent;
+import javax.jmdns.ServiceListener;
+import java.io.IOException;
+import java.net.InetAddress;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Set;
+
+import static seng302.gameServer.ServerAdvertiser.getLocalHostIp;
+
+/**
+ * Listens for servers on the local network
+ */
+public class ServerListener{
+    private static ServerListener instance;
+    private ServerListenerDelegate delegate;
+    private JmDNS jmdns = null;
+    GameServeMonitor listener;
+
+    private class GameServeMonitor implements ServiceListener {
+        private Set<ServerDescription> servers;
+
+        GameServeMonitor(){
+            servers = new HashSet<>();
+        }
+
+        /**
+         * A Service has been detected but not resolved
+         * @param event The ServiceEvent
+         */
+        @Override
+        public void serviceAdded(ServiceEvent event) {
+        }
+
+        /**
+         * A Service has been removed / unregistered
+         * @param event The ServiceEvent
+         */
+        @Override
+        public void serviceRemoved(ServiceEvent event) {
+            String serverName = event.getInfo().getName();
+
+            ServerDescription toRemove = null;
+
+            for (ServerDescription server : servers){
+                if (server.getName().equals(serverName)){
+                    toRemove = server;
+                }
+            }
+
+            if (toRemove != null){
+                servers.remove(toRemove);
+            }
+
+            delegate.serverRemoved(new ArrayList<ServerDescription>(servers));
+
+            // Get all other servers with the same name to respond if they are up
+            jmdns.requestServiceInfo(ServerAdvertiser.SERVICE_TYPE, serverName);
+
+        }
+
+        /**
+         * A Service has been added and resolved
+         * @param event The ServiceEvent
+         */
+        @Override
+        public void serviceResolved(ServiceEvent event) {
+            String address = event.getInfo().getServer();
+            Integer portNum = event.getInfo().getPort();
+
+            String serverName = event.getInfo().getName();
+            String mapName = event.getInfo().getPropertyString("map");
+            Integer spacesLeft = Integer.parseInt(event.getInfo().getPropertyString("spacesLeft"));
+
+            ServerDescription serverDescription = new ServerDescription(serverName, mapName, spacesLeft, address, portNum);
+
+            servers.remove(serverDescription);
+            servers.add(serverDescription);
+
+            delegate.serverDetected(serverDescription, new ArrayList<ServerDescription>(servers));
+        }
+    }
+
+    private ServerListener() throws IOException {
+        jmdns = JmDNS.create(InetAddress.getByName(getLocalHostIp()));
+        listener = new GameServeMonitor();
+        jmdns.addServiceListener(ServerAdvertiser.SERVICE_TYPE, listener);
+    }
+
+    public static ServerListener getInstance() throws IOException {
+        if (instance == null){
+            instance = new ServerListener();
+        }
+
+        return instance;
+    }
+
+    /**
+     * Set the delegate to handle events
+     * @param delegate .
+     */
+    public void setDelegate(ServerListenerDelegate delegate){
+        this.delegate = delegate;
+    }
+
+
+}

src/main/java/seng302/visualiser/ServerListenerDelegate.java

@@ -0,0 +1,10 @@
+package seng302.visualiser;
+
+import seng302.gameServer.ServerDescription;
+
+import java.util.List;
+
+public interface ServerListenerDelegate {
+    void serverRemoved(List<ServerDescription> currentServers);
+    void serverDetected(ServerDescription serverDescription, List<ServerDescription> servers);
+}

src/main/java/seng302/visualiser/controllers/StartScreenController.java

@@ -5,6 +5,7 @@ import com.jfoenix.controls.JFXButton;
 import java.io.IOException;
 import java.net.URL;
 import java.util.ResourceBundle;
+import javafx.application.Platform;
 import javafx.fxml.FXML;
 import javafx.fxml.FXMLLoader;
 import javafx.fxml.Initializable;
@@ -14,6 +15,26 @@ import javafx.scene.effect.DropShadow;
 import javafx.scene.paint.Color;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import javafx.scene.control.Alert;
+import javafx.scene.control.Button;
+import javafx.scene.control.ListView;
+import javafx.scene.control.TextField;
+import javafx.scene.layout.AnchorPane;
+import javafx.scene.layout.GridPane;
+import seng302.gameServer.ServerAdvertiser;
+import seng302.gameServer.ServerDescription;
+import seng302.visualiser.GameClient;
+import seng302.visualiser.ServerListener;
+import seng302.visualiser.ServerListenerDelegate;
+
+import java.io.IOException;
+import java.net.Inet4Address;
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.URL;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.ResourceBundle;
 
 public class StartScreenController implements Initializable {
 
@@ -26,6 +47,38 @@ public class StartScreenController implements Initializable {
     private Node serverList;
 
     private Logger logger = LoggerFactory.getLogger(StartScreenController.class);
+    public void initialize(URL url,  ResourceBundle resourceBundle) {
+//        gameClient = new GameClient(holder);
+
+        try {
+            ServerListener.getInstance().setDelegate(this);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+        joinLobbyButton.setOnAction(event -> joinLobbyClicked());
+    }
+//
+//    /**
+//     * Loads the fxml content into the parent pane
+//     * @param jfxUrl
+//     * @return the controller of the fxml
+//     */
+//    private Object setContentPane(String jfxUrl) {
+//        try {
+//            AnchorPane contentPane = (AnchorPane) startScreen2.getParent();
+//            contentPane.getChildren().removeAll();
+//            contentPane.getChildren().clear();
+//            contentPane.getStylesheets().add(getClass().getResource("/css/master.css").toString());
+//            FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource(jfxUrl));
+//            contentPane.getChildren().addAll((Pane) fxmlLoader.load());
+//
+//            return fxmlLoader.getController();
+//        } catch (IOException e) {
+//            e.printStackTrace();
+//        }
+//        return null;
+//    }
 
     private void setInitialDropShadow(){
         DropShadow dropShadow = new DropShadow();

src/main/java/seng302/visualiser/fxObjects/BoatObject.java

@@ -1,7 +1,5 @@
 package seng302.visualiser.fxObjects;
 
-import java.util.ArrayList;
-import java.util.List;
 import javafx.application.Platform;
 import javafx.geometry.Point2D;
 import javafx.scene.Group;
@@ -14,6 +12,9 @@ import javafx.scene.shape.Polyline;
 import javafx.scene.shape.StrokeLineCap;
 import javafx.scene.transform.Rotate;
 
+import java.util.ArrayList;
+import java.util.List;
+
 /**
  * BoatGroup is a javafx group that by default contains a graphical objects for representing a 2
  * dimensional boat. It contains a single polygon for the boat, a group of lines to show it's path,
@@ -130,6 +131,7 @@ public class BoatObject extends Group {
      * @param rotation The rotation by which the boat moves
      * @param velocity The velocity the boat is moving
      * @param sailIn Boolean to toggle sail state.
+     * @param windDir .
      */
     public void moveTo(double x, double y, double rotation, double velocity, Boolean sailIn, double windDir) {
         Double dx = Math.abs(boatPoly.getLayoutX() - x);