Merge branch 'Story62_Reading_Keystrokes' into 'develop'

Story62 reading keystrokes

Big merge

See merge request !44

.codeclimate.yml

@@ -0,0 +1,17 @@
+engines:
+  pmd:
+    enabled: true
+    channel: "beta"
+
+  fixme:
+    enabled: true
+    config:
+      strings:
+      - FIXME
+      - TODO
+      - BUG
+      - FIX
+
+ratings:
+  paths:
+  - "**.java"

src/main/java/seng302/App.java

@@ -4,76 +4,37 @@ import javafx.application.Application;
 import javafx.fxml.FXMLLoader;
 import javafx.scene.Parent;
 import javafx.scene.Scene;
+import javafx.scene.image.Image;
 import javafx.stage.Stage;
+import seng302.client.ClientPacketParser;
 import seng302.models.PolarTable;
-import seng302.models.stream.StreamParser;
 import seng302.models.stream.StreamReceiver;
-import seng302.server.ServerThread;
 
 public class App extends Application {
 
     @Override
     public void start(Stage primaryStage) throws Exception {
-        PolarTable.parsePolarFile(getClass().getResource("/config/acc_polars.csv").getFile());
+        PolarTable.parsePolarFile(getClass().getResourceAsStream("/config/acc_polars.csv"));
 
         Parent root = FXMLLoader.load(getClass().getResource("/views/MainView.fxml"));
         primaryStage.setTitle("RaceVision");
         primaryStage.setScene(new Scene(root, 1530, 960));
         primaryStage.setMaxWidth(1530);
         primaryStage.setMaxHeight(960);
+        primaryStage.getIcons().add(new Image(getClass().getResourceAsStream("/PP.png")));
 //        primaryStage.setMaximized(true);
 
         primaryStage.show();
         primaryStage.setOnCloseRequest(e -> {
-            StreamParser.appClose();
+            ClientPacketParser.appClose();
             StreamReceiver.noMoreBytes();
             System.exit(0);
         });
+
     }
 
     public static void main(String[] args) {
-        StreamReceiver sr = null;
-
-        new ServerThread("Racevision Test Server");
-
-        try {
-            Thread.sleep(2000);
-        } catch (InterruptedException e) {
-            e.printStackTrace();
-        }
-
-        if (args.length == 1 && args[0].equals("-standalone")) {
-            return;
-        }
-
-        if (args.length == 3 && args[0].equals("-server")) {
-
-            sr = new StreamReceiver(args[1], Integer.valueOf(args[2]), "RaceStream");
-
-        } else if (args.length == 2 && args[0].equals("-server")) {
-            switch (args[1]) {
-                case "internal":
-                    sr = new StreamReceiver("localhost", 4949, "RaceStream");
-                    break;
-                case "staffserver":
-                    sr = new StreamReceiver("csse-s302staff.canterbury.ac.nz", 4941, "RaceStream");
-                    break;
-                case "official":
-                    sr = new StreamReceiver("livedata.americascup.com", 4941, "RaceStream");
-                    break;
-            }
-        }
-        //Change the StreamReceiver in this else block to change the default data source.
-        else{
-            sr = new StreamReceiver("localhost", 4949, "RaceStream");
-        }
-
-        sr.start();
-        StreamParser streamParser = new StreamParser("StreamParser");
-        streamParser.start();
-
         launch(args);
-
     }
 }
 

src/main/java/seng302/client/ClientPacketParser.java

@@ -1,4 +1,4 @@
-package seng302.models.stream;
+package seng302.client;
 
 
 import java.io.IOException;
@@ -11,7 +11,6 @@ import java.util.Comparator;
 import java.util.Date;
 import java.util.Map;
 import java.util.TimeZone;
-import java.util.TreeMap;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentSkipListMap;
 import java.util.concurrent.PriorityBlockingQueue;
@@ -23,6 +22,7 @@ import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
 import seng302.models.Yacht;
 import seng302.models.mark.Mark;
+import seng302.models.stream.XMLParser;
 import seng302.models.stream.packets.BoatPositionPacket;
 import seng302.models.stream.packets.StreamPacket;
 
@@ -32,7 +32,7 @@ import seng302.models.stream.packets.StreamPacket;
  * that are threadsafe so the visualiser can always access the latest speed and position available
  * Created by kre39 on 23/04/17.
  */
-public class StreamParser extends Thread {
+public class ClientPacketParser {
 
     public static ConcurrentHashMap<Long, PriorityBlockingQueue<BoatPositionPacket>> markLocations = new ConcurrentHashMap<>();
     public static ConcurrentHashMap<Long, PriorityBlockingQueue<BoatPositionPacket>> boatLocations = new ConcurrentHashMap<>();
@@ -58,54 +58,16 @@ public class StreamParser extends Thread {
 
     /**
      * Used to initialise the thread name and stream parser object so a thread can be executed
-     *
-     * @param threadName name of the thread
      */
-    public StreamParser(String threadName) {
-        this.threadName = threadName;
+    public ClientPacketParser() {
     }
-
-    /**
-     * Used to within threading so when the stream parser thread runs, it will keep looking for a
-     * packet to process until it is unable to find anymore packets
-     */
-    public void run() {
-        appRunning = true;
-        try {
-            streamStatus = true;
-            xmlObject = new XMLParser();
-            while (StreamReceiver.packetBuffer == null || StreamReceiver.packetBuffer.size() < 1) {
-                Thread.sleep(1);
-            }
-            while (appRunning) {
-                StreamPacket packet = StreamReceiver.packetBuffer.take();
-                parsePacket(packet);
-                Thread.sleep(1);
-                while (StreamReceiver.packetBuffer.peek() == null) {
-                }
-            }
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-    }
-
-    /**
-     * Used to start the stream parser thread when multithreading
-     */
-    public void start() {
-        if (t == null) {
-            t = new Thread(this, threadName);
-            t.start();
-        }
-    }
-
     /**
      * Looks at the type of the packet then sends it to the appropriate parser to extract the
      * specific data associated with that packet type
      *
      * @param packet the packet to be looked at and processed
      */
-    private static void parsePacket(StreamPacket packet) {
+    public static void parsePacket(StreamPacket packet) {
         try {
             switch (packet.getType()) {
                 case HEARTBEAT:
@@ -145,8 +107,6 @@ public class StreamParser extends Thread {
                 case AVG_WIND:
                     extractAvgWind(packet);
                     break;
-                default:
-                    break;
             }
         } catch (NullPointerException e) {
             System.out.println("Error parsing packet");
@@ -161,6 +121,7 @@ public class StreamParser extends Thread {
      */
     private static void extractHeartBeat(StreamPacket packet) {
         long heartbeat = bytesToLong(packet.getPayload());
+        System.out.println("heartbeat = " + heartbeat);
     }
 
     private static String getTimeZoneString() {
@@ -392,6 +353,7 @@ public class StreamParser extends Thread {
         int messageType = payload[1];
         int length = payload[2];
         String message = new String(Arrays.copyOfRange(payload, 3, 3 + length));
+        System.out.println(message);
     }
 
     /**

src/main/java/seng302/client/ClientToServerThread.java

@@ -0,0 +1,141 @@
+package seng302.client;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.Socket;
+import java.util.zip.CRC32;
+import java.util.zip.Checksum;
+
+import seng302.models.stream.packets.StreamPacket;
+import seng302.server.messages.BoatActionMessage;
+import seng302.server.messages.Message;
+
+/**
+ * Created by kre39 on 13/07/17.
+ */
+public class ClientToServerThread extends Thread {
+    private Socket socket;
+    private InputStream is;
+    private OutputStream os;
+    private final int PORT_NUMBER = 0;
+    private static final int LOG_LEVEL = 1;
+
+    private Boolean updateClient = true;
+    private  ByteArrayOutputStream crcBuffer;
+
+    public ClientToServerThread(String ipAddress, Integer portNumber){
+        try {
+            socket = new Socket(ipAddress, portNumber);
+            is = socket.getInputStream();
+            os = socket.getOutputStream();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+    }
+
+    static void serverLog(String message, int logLevel){
+        if(logLevel <= LOG_LEVEL){
+            System.out.println("[SERVER] " + message);
+        }
+    }
+
+    public void run() {
+        int sync1;
+        int sync2;
+        // TODO: 14/07/17 wmu16 - Work out how to fix this while loop
+        while(true) {
+            try {
+                //Perform a write if it is time to as delegated by the MainServerThread
+                if (updateClient) {
+                    // TODO: 13/07/17 wmu16 - Write out game state - some function that would write all appropriate messages to this output stream
+//                try {
+//                    GameState.outputState(os);
+//                } catch (IOException e) {
+//                    System.out.println("IO error in server thread upon writing to output stream");
+//                }
+                    updateClient = false;
+                }
+                crcBuffer = new ByteArrayOutputStream();
+                sync1 = readByte();
+                sync2 = readByte();
+                //checking if it is the start of the packet
+                if(sync1 == 0x47 && sync2 == 0x83) {
+                    int type = readByte();
+                    //No. of milliseconds since Jan 1st 1970
+                    long timeStamp = Message.bytesToLong(getBytes(6));
+                    skipBytes(4);
+                    long payloadLength = Message.bytesToLong(getBytes(2));
+                    byte[] payload = getBytes((int) payloadLength);
+                    Checksum checksum = new CRC32();
+                    checksum.update(crcBuffer.toByteArray(), 0, crcBuffer.size());
+                    long computedCrc = checksum.getValue();
+                    long packetCrc = Message.bytesToLong(getBytes(4));
+                    if (computedCrc == packetCrc) {
+                        ClientPacketParser
+                            .parsePacket(new StreamPacket(type, payloadLength, timeStamp, payload));
+                        // TODO: 17/07/17 wmu16 - Fix this or maybe we dont need to go through the main server at all!?!?
+//                        packetBufferDelegate.addToBuffer(new StreamPacket(type, payloadLength, timeStamp, payload));
+                    } else {
+                        System.err.println("Packet has been dropped");
+                    }
+                }
+            } catch (Exception e) {
+                closeSocket();
+                return;
+            }
+        }
+
+    }
+
+    /**
+     * Send the post-start race course information
+     */
+    public void sendBoatActionMessage(BoatActionMessage boatActionMessage) {
+        try {
+            os.write(boatActionMessage.getBuffer());
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+
+    public void closeSocket() {
+        try {
+            socket.close();
+        } catch (IOException e) {
+            System.out.println("IO error in server thread upon trying to close socket");
+        }
+    }
+
+
+    private int readByte() throws Exception {
+        int currentByte = -1;
+        try {
+            currentByte = is.read();
+            crcBuffer.write(currentByte);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        if (currentByte == -1){
+            throw new Exception();
+        }
+        return currentByte;
+    }
+
+    private byte[] getBytes(int n) throws Exception{
+        byte[] bytes = new byte[n];
+        for (int i = 0; i < n; i++){
+            bytes[i] = (byte) readByte();
+        }
+        return bytes;
+    }
+
+    private void skipBytes(long n) throws Exception{
+        for (int i=0; i < n; i++){
+            readByte();
+        }
+    }
+ }

src/main/java/seng302/controllers/CanvasController.java

@@ -21,6 +21,7 @@ import javafx.scene.layout.Pane;
 import javafx.scene.paint.Color;
 import javafx.scene.shape.Polygon;
 import javafx.scene.text.Text;
+import seng302.client.ClientPacketParser;
 import seng302.fxObjects.BoatGroup;
 import seng302.models.Colors;
 import seng302.models.Yacht;
@@ -31,7 +32,6 @@ import seng302.models.mark.MarkType;
 import seng302.models.mark.SingleMark;
 import seng302.models.map.Boundary;
 import seng302.models.map.CanvasMap;
-import seng302.models.stream.StreamParser;
 import seng302.models.stream.XMLParser;
 import seng302.models.stream.XMLParser.RaceXMLObject.Limit;
 import seng302.models.stream.XMLParser.RaceXMLObject.Participant;
@@ -110,6 +110,7 @@ public class CanvasController {
         // Bind canvas size to stack pane size.
         canvas.widthProperty().bind(new SimpleDoubleProperty(CANVAS_WIDTH));
         canvas.heightProperty().bind(new SimpleDoubleProperty(CANVAS_HEIGHT));
+
     }
 
     public void initializeCanvas() {
@@ -154,13 +155,13 @@ public class CanvasController {
                                 raceViewController.updateSparkLine();
                             }
                             updateGroups();
-                            if (StreamParser.isRaceFinished()) {
+                            if (ClientPacketParser.isRaceFinished()) {
                                 this.stop();
                             }
                             lastTime = now;
                         }
                     }
-                if (StreamParser.isRaceFinished()) {
+                if (ClientPacketParser.isRaceFinished()) {
                     this.stop();
                     switchToFinishScreen();
                 }
@@ -229,7 +230,7 @@ public class CanvasController {
      * in a compound mark etc..
      */
     private void addRaceBorder() {
-        XMLParser.RaceXMLObject raceXMLObject = StreamParser.getXmlObject().getRaceXML();
+        XMLParser.RaceXMLObject raceXMLObject = ClientPacketParser.getXmlObject().getRaceXML();
         ArrayList<Limit> courseLimits = raceXMLObject.getCourseLimit();
         raceBorder.setStroke(new Color(0.0f, 0.0f, 0.74509807f, 1));
         raceBorder.setStrokeWidth(3);
@@ -247,7 +248,7 @@ public class CanvasController {
         for (BoatGroup boatGroup : boatGroups) {
             // some raceObjects will have multiple ID's (for instance gate marks)
             //checking if the current "ID" has any updates associated with it
-            if (StreamParser.boatLocations.containsKey(boatGroup.getRaceId())) {
+            if (ClientPacketParser.boatLocations.containsKey(boatGroup.getRaceId())) {
                 if (boatGroup.isStopped()) {
                     updateBoatGroup(boatGroup);
                 }
@@ -256,7 +257,7 @@ public class CanvasController {
         }
         for (MarkGroup markGroup : markGroups) {
             for (Long id : markGroup.getRaceIds()) {
-                if (StreamParser.markLocations.containsKey(id)) {
+                if (ClientPacketParser.markLocations.containsKey(id)) {
                     updateMarkGroup(id, markGroup);
                 }
             }
@@ -265,13 +266,14 @@ public class CanvasController {
     }
 
     private void checkForCourseChanges() {
-        if (StreamParser.isNewRaceXmlReceived()){
+        if (ClientPacketParser.isNewRaceXmlReceived()) {
             addRaceBorder();
         }
     }
 
     private void updateBoatGroup(BoatGroup boatGroup) {
-        PriorityBlockingQueue<BoatPositionPacket> movementQueue = StreamParser.boatLocations.get(boatGroup.getRaceId());
+        PriorityBlockingQueue<BoatPositionPacket> movementQueue = ClientPacketParser.boatLocations
+            .get(boatGroup.getRaceId());
         // giving the movementQueue a 5 packet buffer to account for slightly out of order packets
         if (movementQueue.size() > 0) {
             try {
@@ -289,7 +291,8 @@ public class CanvasController {
     }
 
     void updateMarkGroup (long raceId, MarkGroup markGroup) {
-        PriorityBlockingQueue<BoatPositionPacket> movementQueue = StreamParser.markLocations.get(raceId);
+        PriorityBlockingQueue<BoatPositionPacket> movementQueue = ClientPacketParser.markLocations
+            .get(raceId);
         if (movementQueue.size() > 0){
             try {
                 BoatPositionPacket positionPacket = movementQueue.take();
@@ -305,12 +308,12 @@ public class CanvasController {
      * Draws all the boats.
      */
     private void initializeBoats() {
-        Map<Integer, Yacht> boats = StreamParser.getBoats();
+        Map<Integer, Yacht> boats = ClientPacketParser.getBoats();
         Group wakes = new Group();
         Group trails = new Group();
         Group annotations = new Group();
 
-        ArrayList<Participant> participants = StreamParser.getXmlObject().getRaceXML()
+        ArrayList<Participant> participants = ClientPacketParser.getXmlObject().getRaceXML()
             .getParticipants();
         ArrayList<Integer> participantIDs = new ArrayList<>();
         for (Participant p : participants) {
@@ -334,7 +337,8 @@ public class CanvasController {
     }
 
     private void initializeMarks() {
-        List<Mark> allMarks = StreamParser.getXmlObject().getRaceXML().getNonDupCompoundMarks();
+        List<Mark> allMarks = ClientPacketParser.getXmlObject().getRaceXML()
+            .getNonDupCompoundMarks();
         for (Mark mark : allMarks) {
             if (mark.getMarkType() == MarkType.SINGLE_MARK) {
                 SingleMark sMark = (SingleMark) mark;
@@ -400,7 +404,7 @@ public class CanvasController {
      */
     private void fitMarksToCanvas() {
         //Check is called once to avoid unnecessarily change the course limits once the race is running
-        StreamParser.isNewRaceXmlReceived();
+        ClientPacketParser.isNewRaceXmlReceived();
         findMinMaxPoint();
         double minLonToMaxLon = scaleRaceExtremities();
         calculateReferencePointLocation(minLonToMaxLon);
@@ -416,7 +420,7 @@ public class CanvasController {
      */
     private void findMinMaxPoint() {
         List<Limit> sortedPoints = new ArrayList<>();
-        for (Limit limit : StreamParser.getXmlObject().getRaceXML().getCourseLimit()) {
+        for (Limit limit : ClientPacketParser.getXmlObject().getRaceXML().getCourseLimit()) {
             sortedPoints.add(limit);
         }
         sortedPoints.sort(Comparator.comparingDouble(Limit::getLat));
@@ -576,4 +580,5 @@ public class CanvasController {
     List<MarkGroup> getMarkGroups() {
         return  markGroups;
     }
+
 }

src/main/java/seng302/controllers/Controller.java

@@ -1,39 +1,91 @@
 package seng302.controllers;
 
-import javafx.fxml.FXML;
-import javafx.fxml.FXMLLoader;
-import javafx.fxml.Initializable;
-import javafx.scene.layout.AnchorPane;
-import javafx.scene.layout.Pane;
-
 import java.io.IOException;
 import java.net.URL;
 import java.util.ResourceBundle;
-import seng302.models.stream.StreamParser;
+import javafx.fxml.FXML;
+import javafx.fxml.FXMLLoader;
+import javafx.fxml.Initializable;
+import javafx.scene.Parent;
+import javafx.scene.input.KeyEvent;
+import javafx.scene.layout.AnchorPane;
+import seng302.client.ClientPacketParser;
+import seng302.client.ClientToServerThread;
+import seng302.server.messages.BoatActionMessage;
+import seng302.server.messages.BoatActionType;
 
 public class Controller implements Initializable {
 
     @FXML
     private AnchorPane contentPane;
+    private ClientToServerThread clientToServerThread;
 
-    private void setContentPane(String jfxUrl) {
+    private Object setContentPane(String jfxUrl) {
         try {
             contentPane.getChildren().removeAll();
             contentPane.getChildren().clear();
             contentPane.getStylesheets().add(getClass().getResource("/css/master.css").toString());
-            contentPane.getChildren()
-                .addAll((Pane) FXMLLoader.load(getClass().getResource(jfxUrl)));
+            FXMLLoader fxmlLoader = new FXMLLoader((getClass().getResource(jfxUrl)));
+            Parent view = fxmlLoader.load();
+            contentPane.getChildren().addAll(view);
+            return fxmlLoader.getController();
         } catch (javafx.fxml.LoadException e) {
             System.err.println(e.getCause());
         } catch (IOException e) {
             System.err.println(e);
         }
+        return null;
     }
 
     @Override
     public void initialize(URL location, ResourceBundle resources) {
         contentPane.getStylesheets().add(getClass().getResource("/css/master.css").toString());
-        setContentPane("/views/StartScreenView.fxml");
-        StreamParser.boatLocations.clear();
+        StartScreenController startScreenController = (StartScreenController) setContentPane("/views/StartScreenView.fxml");
+        startScreenController.setController(this);
+        ClientPacketParser.boatLocations.clear();
+    }
+
+    /** Handle the key-pressed event from the text field. */
+    public void keyPressed(KeyEvent e) {
+        BoatActionMessage boatActionMessage;
+        switch (e.getCode()){
+            case SPACE: // align with vmg
+                boatActionMessage = new BoatActionMessage(BoatActionType.VMG);
+                clientToServerThread.sendBoatActionMessage(boatActionMessage);
+                break;
+            case PAGE_UP: // upwind
+                boatActionMessage = new BoatActionMessage(BoatActionType.UPWIND);
+                clientToServerThread.sendBoatActionMessage(boatActionMessage);
+                break;
+            case PAGE_DOWN: // downwind
+                boatActionMessage = new BoatActionMessage(BoatActionType.DOWNWIND);
+                clientToServerThread.sendBoatActionMessage(boatActionMessage);
+                break;
+            case ENTER: // tack/gybe
+                boatActionMessage = new BoatActionMessage(BoatActionType.TACK_GYBE);
+                clientToServerThread.sendBoatActionMessage(boatActionMessage);
+                break;
+            //TODO Allow a zoom in and zoom out methods
+            case Z:  // zoom in
+                System.out.println("Zoom in");
+                break;
+            case X:  // zoom out
+                System.out.println("Zoom out");
+                break;
+        }
+    }
+
+    public void keyReleased(KeyEvent e) {
+        switch (e.getCode()) {
+            //TODO 12/07/17 Determine the sail state and send the appropriate packet (eg. if sails are in, send a sail out packet)
+            case SHIFT:  // sails in/sails out
+                BoatActionMessage boatActionMessage = new BoatActionMessage(BoatActionType.SAILS_IN);
+                clientToServerThread.sendBoatActionMessage(boatActionMessage);
+                break;
+        }
+    }
+
+    public void setClientToServerThread(ClientToServerThread ctt) {
+        clientToServerThread = ctt;
     }
 }

src/main/java/seng302/controllers/FinishScreenViewController.java

@@ -15,8 +15,8 @@ import javafx.scene.control.cell.PropertyValueFactory;
 import javafx.scene.layout.AnchorPane;
 import javafx.scene.layout.GridPane;
 import javafx.scene.layout.Pane;
+import seng302.client.ClientPacketParser;
 import seng302.models.Yacht;
-import seng302.models.stream.StreamParser;
 import seng302.models.stream.XMLParser.RaceXMLObject.Participant;
 
 public class FinishScreenViewController implements Initializable {
@@ -59,7 +59,7 @@ public class FinishScreenViewController implements Initializable {
         );
 
         // check if the boat is racing
-        ArrayList<Participant> participants = StreamParser.getXmlObject().getRaceXML()
+        ArrayList<Participant> participants = ClientPacketParser.getXmlObject().getRaceXML()
             .getParticipants();
         ArrayList<Integer> participantIDs = new ArrayList<>();
         for (Participant p : participants) {
@@ -67,7 +67,7 @@ public class FinishScreenViewController implements Initializable {
         }
 
         // add data to table
-        for (Yacht boat : StreamParser.getBoatsPos().values()) {
+        for (Yacht boat : ClientPacketParser.getBoatsPos().values()) {
             if (participantIDs.contains(boat.getSourceID())) {
                 data.add(boat);
             }

src/main/java/seng302/controllers/LobbyController.java

@@ -0,0 +1,109 @@
+package seng302.controllers;
+
+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.ResourceBundle;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import javafx.fxml.FXML;
+import javafx.fxml.FXMLLoader;
+import javafx.fxml.Initializable;
+import javafx.scene.control.ListView;
+import javafx.scene.layout.AnchorPane;
+import javafx.scene.layout.GridPane;
+import javafx.scene.layout.Pane;
+import javafx.scene.text.Text;
+import seng302.gameServer.GameStages;
+import seng302.gameServer.GameState;
+
+/**
+ * A class describing the actions of the lobby screen
+ * Created by wmu16 on 10/07/17.
+ */
+public class LobbyController implements Initializable{
+
+    @FXML
+    private ListView competitorsListView;
+    @FXML
+    private GridPane lobbyScreen;
+    @FXML
+    private Text lobbyIpText;
+
+    private static ObservableList competitors;
+
+    private void setContentPane(String jfxUrl) {
+        try {
+            AnchorPane contentPane = (AnchorPane) lobbyScreen.getParent();
+            contentPane.getChildren().removeAll();
+            contentPane.getChildren().clear();
+            contentPane.getStylesheets().add(getClass().getResource("/css/master.css").toString());
+            contentPane.getChildren()
+                    .addAll((Pane) FXMLLoader.load(getClass().getResource(jfxUrl)));
+        } catch (javafx.fxml.LoadException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void initialize(URL location, ResourceBundle resources) {
+        lobbyIpText.setText("Lobby Host IP: " + getLocalHostIp());
+    }
+
+    public void initialize() {
+        competitors = FXCollections.observableArrayList();
+        competitorsListView.setItems(competitors);
+    }
+
+    private String getLocalHostIp() {
+        String ipAddress = null;
+        try {
+            Enumeration<NetworkInterface> e = NetworkInterface.getNetworkInterfaces();
+            while (e.hasMoreElements()) {
+                NetworkInterface ni = e.nextElement();
+                if (ni.isLoopback())
+                    continue;
+                if(ni.isPointToPoint())
+                    continue;
+                if(ni.isVirtual())
+                    continue;
+
+                Enumeration<InetAddress> addresses = ni.getInetAddresses();
+                while(addresses.hasMoreElements()) {
+                    InetAddress address = addresses.nextElement();
+                    if(address instanceof Inet4Address) {    // skip all ipv6
+                        ipAddress = address.getHostAddress();
+                    }
+                }
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        if (ipAddress == null) {
+            System.out.println("[HOST] Cannot obtain local host ip address.");
+        }
+        return ipAddress;
+    }
+
+    @FXML
+    public void leaveLobbyButtonPressed() {
+        // TODO: 10/07/17 wmu16 - Finish function!
+        setContentPane("/views/StartScreenView.fxml");
+        System.out.println("Leaving lobby!");
+        GameState.setCurrentStage(GameStages.CANCELLED);
+        // TODO: 20/07/17 wmu16 - Implement some way of terminating the game
+    }
+
+
+    @FXML
+    public void readyButtonPressed() {
+        GameState.setCurrentStage(GameStages.RACING);
+        setContentPane("/views/RaceView.fxml");
+
+    }
+}

src/main/java/seng302/controllers/RaceViewController.java

@@ -27,7 +27,8 @@ import javafx.stage.Stage;
 import javafx.stage.StageStyle;
 import javafx.util.Duration;
 import javafx.util.StringConverter;
-import seng302.utilities.GeometryUtils;
+import seng302.client.ClientPacketParser;
+import seng302.utilities.GeoUtility;
 import seng302.controllers.annotations.Annotation;
 import seng302.controllers.annotations.ImportantAnnotationController;
 import seng302.controllers.annotations.ImportantAnnotationDelegate;
@@ -38,7 +39,6 @@ import seng302.models.*;
 import seng302.models.mark.GateMark;
 import seng302.models.mark.Mark;
 import seng302.models.mark.SingleMark;
-import seng302.models.stream.StreamParser;
 import seng302.models.stream.XMLParser;
 
 import java.io.IOException;
@@ -93,7 +93,7 @@ public class RaceViewController extends Thread implements ImportantAnnotationDel
         raceSparkLine.getYAxis().setTranslateX(-5);
         raceSparkLine.getYAxis().setAutoRanging(false);
         sparklineYAxis.setTickMarkVisible(false);
-        startingBoats = new ArrayList<>(StreamParser.getBoats().values());
+        startingBoats = new ArrayList<>(ClientPacketParser.getBoats().values());
 
         includedCanvasController.setup(this);
         includedCanvasController.initializeCanvas();
@@ -103,6 +103,7 @@ public class RaceViewController extends Thread implements ImportantAnnotationDel
         initialiseBoatSelectionComboBox();
         includedCanvasController.timer.start();
         selectAnnotationBtn.setOnAction(event -> loadSelectAnnotationView());
+
     }
 
 
@@ -136,7 +137,6 @@ public class RaceViewController extends Thread implements ImportantAnnotationDel
             Scene scene = new Scene(fxmlLoader.load(), 469, 298);
             scene.getStylesheets().add(getClass().getResource("/css/master.css").toString());
             stage.initStyle(StageStyle.UNDECORATED);
-
             stage.setScene(scene);
             stage.show();
 
@@ -303,7 +303,8 @@ public class RaceViewController extends Thread implements ImportantAnnotationDel
     private Mark getNextMark(BoatGroup bg) {
         Integer legNumber = bg.getBoat().getLegNumber();
 
-        List<XMLParser.RaceXMLObject.Corner> markSequence = StreamParser.getXmlObject().getRaceXML().getCompoundMarkSequence();
+        List<XMLParser.RaceXMLObject.Corner> markSequence = ClientPacketParser.getXmlObject()
+            .getRaceXML().getCompoundMarkSequence();
 
         if (legNumber == 0) {
             return null;
@@ -315,7 +316,8 @@ public class RaceViewController extends Thread implements ImportantAnnotationDel
             if (legNumber + 2 == corner.getSeqID()) {
                 Integer thisCompoundMarkID = corner.getCompoundMarkID();
 
-                for (Mark mark : StreamParser.getXmlObject().getRaceXML().getAllCompoundMarks()) {
+                for (Mark mark : ClientPacketParser.getXmlObject().getRaceXML()
+                    .getAllCompoundMarks()) {
                     if (mark.getCompoundMarkID() == thisCompoundMarkID) {
                         return mark;
                     }
@@ -328,11 +330,11 @@ public class RaceViewController extends Thread implements ImportantAnnotationDel
 
 
     /**
-     * Updates the wind direction arrow and text as from info from the StreamParser
+     * Updates the wind direction arrow and text as from info from the ClientPacketParser
      */
     private void updateWindDirection() {
-        windDirectionText.setText(String.format("%.1f°", StreamParser.getWindDirection()));
-        windArrowText.setRotate(StreamParser.getWindDirection());
+        windDirectionText.setText(String.format("%.1f°", ClientPacketParser.getWindDirection()));
+        windArrowText.setRotate(ClientPacketParser.getWindDirection());
     }
 
 
@@ -340,7 +342,7 @@ public class RaceViewController extends Thread implements ImportantAnnotationDel
      * Updates the clock for the race
      */
     private void updateRaceTime() {
-        if (StreamParser.isRaceFinished()) {
+        if (ClientPacketParser.isRaceFinished()) {
             timerLabel.setFill(Color.RED);
             timerLabel.setText("Race Finished!");
         } else {
@@ -350,18 +352,18 @@ public class RaceViewController extends Thread implements ImportantAnnotationDel
 
 
     /**
-     * Grabs the boats currently in the race as from the StreamParser and sets them to be selectable
+     * Grabs the boats currently in the race as from the ClientPacketParser and sets them to be selectable
      * in the boat selection combo box
      */
     private void updateBoatSelectionComboBox() {
         ObservableList<Yacht> observableBoats = FXCollections
-            .observableArrayList(StreamParser.getBoatsPos().values());
+            .observableArrayList(ClientPacketParser.getBoatsPos().values());
         boatSelectionComboBox.setItems(observableBoats);
     }
 
 
     /**
-     * Updates the order of the boats as from the StreamParser and sets them in the boat order
+     * Updates the order of the boats as from the ClientPacketParser and sets them in the boat order
      * section
      */
     private void updateOrder() {
@@ -370,15 +372,15 @@ public class RaceViewController extends Thread implements ImportantAnnotationDel
         positionVbox.getStylesheets().add(getClass().getResource("/css/master.css").toString());
 
         // list of racing boat id
-        ArrayList<Participant> participants = StreamParser.getXmlObject().getRaceXML()
+        ArrayList<Participant> participants = ClientPacketParser.getXmlObject().getRaceXML()
             .getParticipants();
         ArrayList<Integer> participantIDs = new ArrayList<>();
         for (Participant p : participants) {
             participantIDs.add(p.getsourceID());
         }
 
-        if (StreamParser.isRaceStarted()) {
-            for (Yacht boat : StreamParser.getBoatsPos().values()) {
+        if (ClientPacketParser.isRaceStarted()) {
+            for (Yacht boat : ClientPacketParser.getBoatsPos().values()) {
                 if (participantIDs.contains(boat.getSourceID())) {  // check if the boat is racing
                     if (boat.getBoatStatus() == 3) {  // 3 is finish status
                         Text textToAdd = new Text(boat.getPosition() + ". " +
@@ -396,7 +398,7 @@ public class RaceViewController extends Thread implements ImportantAnnotationDel
                 }
             }
         } else {
-            for (Yacht boat : StreamParser.getBoats().values()) {
+            for (Yacht boat : ClientPacketParser.getBoats().values()) {
                 if (participantIDs.contains(boat.getSourceID())) {  // check if the boat is racing
                     Text textToAdd = new Text(boat.getPosition() + ". " +
                         boat.getShortName() + " ");
@@ -434,9 +436,11 @@ public class RaceViewController extends Thread implements ImportantAnnotationDel
                         Point2D markPoint2 = includedCanvasController.findScaledXY(singleMark2.getLatitude(), singleMark2.getLongitude());
                         HashMap<Double, Double> angleAndSpeed;
                         if (isUpwind) {
-                            angleAndSpeed = PolarTable.getOptimalUpwindVMG(StreamParser.getWindSpeed());
+                            angleAndSpeed = PolarTable
+                                .getOptimalUpwindVMG(ClientPacketParser.getWindSpeed());
                         } else {
-                            angleAndSpeed = PolarTable.getOptimalDownwindVMG(StreamParser.getWindSpeed());
+                            angleAndSpeed = PolarTable
+                                .getOptimalDownwindVMG(ClientPacketParser.getWindSpeed());
                         }
 
                         Double resultingAngle = angleAndSpeed.keySet().iterator().next();
@@ -444,15 +448,23 @@ public class RaceViewController extends Thread implements ImportantAnnotationDel
 
                         Point2D boatCurrentPos = new Point2D(bg.getBoatLayoutX(), bg.getBoatLayoutY());
                         Point2D gateMidPoint = markPoint1.midpoint(markPoint2);
-                        Integer lineFuncResult = GeometryUtils.lineFunction(boatCurrentPos, gateMidPoint, markPoint2);
+                        Integer lineFuncResult = GeoUtility.lineFunction(boatCurrentPos, gateMidPoint, markPoint2);
                         Line rightLayline = new Line();
                         Line leftLayline = new Line();
                         if (lineFuncResult == 1) {
-                            rightLayline = makeRightLayline(markPoint2, 180 - resultingAngle, StreamParser.getWindDirection());
-                            leftLayline = makeLeftLayline(markPoint1, 180 - resultingAngle, StreamParser.getWindDirection());
+                            rightLayline = makeRightLayline(markPoint2, 180 - resultingAngle,
+                                ClientPacketParser
+                                    .getWindDirection());
+                            leftLayline = makeLeftLayline(markPoint1, 180 - resultingAngle,
+                                ClientPacketParser
+                                    .getWindDirection());
                         } else if (lineFuncResult == -1) {
-                            rightLayline = makeRightLayline(markPoint1, 180 - resultingAngle, StreamParser.getWindDirection());
-                            leftLayline = makeLeftLayline(markPoint2, 180 - resultingAngle, StreamParser.getWindDirection());
+                            rightLayline = makeRightLayline(markPoint1, 180 - resultingAngle,
+                                ClientPacketParser
+                                    .getWindDirection());
+                            leftLayline = makeLeftLayline(markPoint2, 180 - resultingAngle,
+                                ClientPacketParser
+                                    .getWindDirection());
                         }
 
                         leftLayline.setStrokeWidth(0.5);
@@ -548,16 +560,16 @@ public class RaceViewController extends Thread implements ImportantAnnotationDel
 
     private String getTimeSinceStartOfRace() {
         String timerString = "0:00";
-        if (StreamParser.getTimeSinceStart() > 0) {
-            String timerMinute = Long.toString(StreamParser.getTimeSinceStart() / 60);
-            String timerSecond = Long.toString(StreamParser.getTimeSinceStart() % 60);
+        if (ClientPacketParser.getTimeSinceStart() > 0) {
+            String timerMinute = Long.toString(ClientPacketParser.getTimeSinceStart() / 60);
+            String timerSecond = Long.toString(ClientPacketParser.getTimeSinceStart() % 60);
             if (timerSecond.length() == 1) {
                 timerSecond = "0" + timerSecond;
             }
             timerString = "-" + timerMinute + ":" + timerSecond;
         } else {
-            String timerMinute = Long.toString(-1 * StreamParser.getTimeSinceStart() / 60);
-            String timerSecond = Long.toString(-1 * StreamParser.getTimeSinceStart() % 60);
+            String timerMinute = Long.toString(-1 * ClientPacketParser.getTimeSinceStart() / 60);
+            String timerSecond = Long.toString(-1 * ClientPacketParser.getTimeSinceStart() % 60);
             if (timerSecond.length() == 1) {
                 timerSecond = "0" + timerSecond;
             }
@@ -637,4 +649,5 @@ public class RaceViewController extends Thread implements ImportantAnnotationDel
     public static boolean sparkLineStatus(Integer yachtId) {
         return sparkLineData.containsKey(yachtId);
     }
+
 }

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

@@ -1,191 +1,97 @@
 package seng302.controllers;
 
-import java.io.IOException;
-import java.net.URL;
-import java.util.ArrayList;
-import java.util.ResourceBundle;
-import java.util.Timer;
-import java.util.TimerTask;
-import javafx.application.Platform;
-import javafx.collections.FXCollections;
-import javafx.collections.ObservableList;
 import javafx.fxml.FXML;
 import javafx.fxml.FXMLLoader;
-import javafx.fxml.Initializable;
-import javafx.scene.control.Button;
-import javafx.scene.control.Label;
-import javafx.scene.control.TableColumn;
-import javafx.scene.control.TableView;
-import javafx.scene.control.cell.PropertyValueFactory;
+import javafx.scene.control.TextField;
 import javafx.scene.layout.AnchorPane;
 import javafx.scene.layout.GridPane;
 import javafx.scene.layout.Pane;
-import javafx.scene.paint.Color;
-import seng302.models.Yacht;
-import seng302.models.stream.StreamParser;
-import seng302.models.stream.XMLParser.RaceXMLObject.Participant;
+import seng302.client.ClientToServerThread;
+import seng302.gameServer.GameState;
+import seng302.gameServer.MainServerThread;
 
-public class StartScreenController implements Initializable {
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+/**
+ * A Class describing the actions of the start screen controller
+ * Created by wmu16 on 10/07/17.
+ */
+public class StartScreenController {
 
     @FXML
-    private GridPane gridPane;
+    private TextField ipTextField;
     @FXML
-    private Label timeTillLive;
-    @FXML
-    private Button streamButton;
-    @FXML
-    private Button switchToRaceViewButton;
-    @FXML
-    private TableView<Yacht> teamList;
-    @FXML
-    private TableColumn<Yacht, String> boatNameCol;
-    @FXML
-    private TableColumn<Yacht, String> shortNameCol;
-    @FXML
-    private TableColumn<Yacht, String> countryCol;
-    @FXML
-    private TableColumn<Yacht, String> posCol;
-    @FXML
-    private Label realTime;
+    private GridPane startScreen2;
 
-    private boolean switchedToRaceView = false;
+    private Controller controller;
 
-    private void setContentPane(String jfxUrl) {
+    /**
+     * Loads the fxml content into the parent pane
+     * @param jfxUrl
+     * @return the controller of the fxml
+     */
+    private Object setContentPane(String jfxUrl) {
         try {
-            // get the main controller anchor pane (MainView.fxml)
-            AnchorPane contentPane = (AnchorPane) gridPane.getParent();
+            AnchorPane contentPane = (AnchorPane) startScreen2.getParent();
             contentPane.getChildren().removeAll();
             contentPane.getChildren().clear();
             contentPane.getStylesheets().add(getClass().getResource("/css/master.css").toString());
-            contentPane.getChildren()
-                .addAll((Pane) FXMLLoader.load(getClass().getResource(jfxUrl)));
+            FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource(jfxUrl));
+            contentPane.getChildren().addAll((Pane) fxmlLoader.load());
+            return fxmlLoader.getController();
         } catch (javafx.fxml.LoadException e) {
             e.printStackTrace();
         } catch (IOException e) {
             e.printStackTrace();
         }
+        return null;
     }
 
-    @Override
-    public void initialize(URL location, ResourceBundle resources) {
-        gridPane.getStylesheets().add(getClass().getResource("/css/master.css").toString());
-        teamList.getStylesheets().add(getClass().getResource("/css/master.css").toString());
-    }
 
     /**
-     * Running a timer to update the livestream status on welcome screen. Update interval is 1
-     * second.
+     * ATTEMPTS TO:
+     * Sets up a new game state with your IP address as designated as the host.
+     * Starts a thread to listen for incoming connections
+     * Switches to the lobby screen
      */
-    public void startStream() {
-        // reset boolean for switch to race view
-        switchedToRaceView = false;
+    @FXML
+    public void hostButtonPressed() {
+        try {
+            String ipAddress = InetAddress.getLocalHost().getHostAddress();
+            new GameState(ipAddress);
+            new MainServerThread().start();
+            ClientToServerThread clientToServerThread = new ClientToServerThread("localhost", 4950);
+            controller.setClientToServerThread(clientToServerThread);
+            clientToServerThread.start();
+//            new GameServerThread("Fuck you");
+            // get the lobby controller so that we can pass the game server thread to it
+            setContentPane("/views/LobbyView.fxml");
 
-        if (StreamParser.isStreamStatus()) {
-            streamButton.setVisible(false);
-            realTime.setVisible(true);
-            timeTillLive.setVisible(true);
-            timeTillLive.setTextFill(Color.GREEN);
-            timeTillLive.setText("Connecting...");
-            Timer timer = new Timer();
-            timer.scheduleAtFixedRate(new TimerTask() {
-                @Override
-                public void run() {
-                    Platform.runLater(() -> {
-                        if (StreamParser.isRaceStarted()) {
-                            if (!switchedToRaceView) {
-                                switchToRaceView();
+        } catch (UnknownHostException e) {
+            System.err.println("COULD NOT FIND YOUR IP ADDRESS!");
+            e.printStackTrace();
         }
-                            timer.cancel();
+
     }
-                        if (StreamParser.isRaceFinished()) {
-                            realTime.setText(StreamParser.getCurrentTimeString());
-                            timeTillLive.setTextFill(Color.RED);
-                            timeTillLive.setText("Race finished! Waiting for new race...");
-                            switchToRaceViewButton.setDisable(true);
-                        } else if (StreamParser.getTimeSinceStart() > 0) {
-                            realTime.setText(StreamParser.getCurrentTimeString());
-                            updateTeamList();
-                            timeTillLive.setTextFill(Color.RED);
-                            switchToRaceViewButton.setDisable(false);
-                            String timerMinute = Long
-                                .toString(StreamParser.getTimeSinceStart() / 60);
-                            String timerSecond = Long
-                                .toString(StreamParser.getTimeSinceStart() % 60);
-                            if (timerSecond.length() == 1) {
-                                timerSecond = "0" + timerSecond;
-                            }
-                            String timerString = "-" + timerMinute + ":" + timerSecond;
-                            timeTillLive.setText(timerString);
-                        } else {
-                            realTime.setText(StreamParser.getCurrentTimeString());
-                            updateTeamList();
-                            timeTillLive.setTextFill(Color.BLACK);
-                            switchToRaceViewButton.setDisable(false);
-                            String timerMinute = Long
-                                .toString(-1 * StreamParser.getTimeSinceStart() / 60);
-                            String timerSecond = Long
-                                .toString(-1 * StreamParser.getTimeSinceStart() % 60);
-                            if (timerSecond.length() == 1) {
-                                timerSecond = "0" + timerSecond;
-                            }
-                            String timerString = timerMinute + ":" + timerSecond;
-                            timeTillLive.setText(timerString);
-                        }
-                    });
-                }
-            }, 0, 1000);
-        } else {
-            timeTillLive.setText("Stream not available.");
-            timeTillLive.setTextFill(Color.RED);
+
+
+    @FXML
+    public void connectButtonPressed() {
+        // TODO: 10/07/17 wmu16 - Finish function
+        String ipAddress = ipTextField.getText().trim().toLowerCase();
+        try {
+            ClientToServerThread clientToServerThread = new ClientToServerThread(ipAddress, 4950);
+            controller.setClientToServerThread(clientToServerThread);
+            clientToServerThread.start();
+            setContentPane("/views/LobbyView.fxml");
+        } catch (Exception e){
+            e.printStackTrace();
         }
     }
 
-    public void switchToRaceView() {
-        StreamParser.boatLocations.clear();
-        switchedToRaceView = true;
-        setContentPane("/views/RaceView.fxml");
-    }
-
-    private void updateTeamList() {
-        ObservableList<Yacht> data = FXCollections.observableArrayList();
-
-        teamList.setItems(data);
-
-        boatNameCol.setCellValueFactory(
-            new PropertyValueFactory<>("boatName")
-        );
-        shortNameCol.setCellValueFactory(
-            new PropertyValueFactory<>("shortName")
-        );
-        countryCol.setCellValueFactory(
-            new PropertyValueFactory<>("country")
-        );
-        posCol.setCellValueFactory(
-            new PropertyValueFactory<>("position")
-        );
-
-        // check if the boat is racing
-        ArrayList<Participant> participants = StreamParser.getXmlObject().getRaceXML()
-            .getParticipants();
-        ArrayList<Integer> participantIDs = new ArrayList<>();
-        for (Participant p : participants) {
-            participantIDs.add(p.getsourceID());
-        }
-
-        // add boats to the start screen list
-        if (StreamParser.isRaceStarted()) {  // if race is started, use StreamParser.getBoatsPos()
-            for (Yacht boat : StreamParser.getBoatsPos().values()) {
-                if (participantIDs.contains(boat.getSourceID())) {
-                    data.add(boat);
-                }
-            }
-        } else {  // else use StreamParser.getBoats()
-            for (Yacht boat : StreamParser.getBoats().values()) {
-                if (participantIDs.contains(boat.getSourceID())) {
-                    data.add(boat);
-                }
-            }
-        }
-        teamList.refresh();
+    public void setController(Controller controller) {
+        this.controller = controller;
     }
 }

src/main/java/seng302/fxObjects/BoatAnnotations.java

@@ -5,8 +5,8 @@ import javafx.scene.Group;
 import javafx.scene.paint.Color;
 import javafx.scene.shape.Rectangle;
 import javafx.scene.text.Text;
+import seng302.client.ClientPacketParser;
 import seng302.models.Yacht;
-import seng302.models.stream.StreamParser;
 
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
@@ -88,7 +88,7 @@ public class BoatAnnotations extends Group{
         if (boat.getTimeTillNext() != null) {
             DateFormat format = new SimpleDateFormat("mm:ss");
             String timeToNextMark = format
-                    .format(boat.getTimeTillNext() - StreamParser.getCurrentTimeLong());
+                .format(boat.getTimeTillNext() - ClientPacketParser.getCurrentTimeLong());
             estTimeToNextMarkObject.setText("Next mark: " + timeToNextMark);
         } else {
             estTimeToNextMarkObject.setText("Next mark: -");
@@ -97,7 +97,7 @@ public class BoatAnnotations extends Group{
         if (boat.getMarkRoundTime() != null) {
             DateFormat format = new SimpleDateFormat("mm:ss");
             String elapsedTime = format
-                    .format(StreamParser.getCurrentTimeLong() - boat.getMarkRoundTime());
+                .format(ClientPacketParser.getCurrentTimeLong() - boat.getMarkRoundTime());
             legTimeObject.setText("Last mark: " + elapsedTime);
         }else {
             legTimeObject.setText("Last mark: - ");

src/main/java/seng302/fxObjects/BoatGroup.java

@@ -9,13 +9,13 @@ import javafx.scene.paint.Color;
 import javafx.scene.shape.Line;
 import javafx.scene.shape.Polygon;
 import javafx.scene.transform.Rotate;
+import seng302.client.ClientPacketParser;
 import seng302.models.Yacht;
-import seng302.utilities.GeometryUtils;
+import seng302.utilities.GeoUtility;
 import seng302.controllers.CanvasController;
 import seng302.models.mark.GateMark;
 import seng302.models.mark.Mark;
 import seng302.models.mark.SingleMark;
-import seng302.models.stream.StreamParser;
 
 /**
  * BoatGroup is a javafx group that by default contains a graphical objects for representing a 2
@@ -238,7 +238,7 @@ public class BoatGroup extends Group {
      */
     public Boolean isUpwindLeg(CanvasController canvasController, Mark nextMark) {
 
-        Double windAngle = StreamParser.getWindDirection();
+        Double windAngle = ClientPacketParser.getWindDirection();
         GateMark thisGateMark = (GateMark) nextMark;
         SingleMark nextMark1 = thisGateMark.getSingleMark1();
         SingleMark nextMark2 = thisGateMark.getSingleMark2();
@@ -246,11 +246,11 @@ public class BoatGroup extends Group {
         Point2D nextMarkPoint2 = canvasController.findScaledXY(nextMark2.getLatitude(), nextMark2.getLongitude());
 
         Point2D boatCurrentPoint = new Point2D(boatPoly.getLayoutX(), boatPoly.getLayoutY());
-        Point2D windTestPoint = GeometryUtils.makeArbitraryVectorPoint(nextMarkPoint1, windAngle, 10d);
+        Point2D windTestPoint = GeoUtility.makeArbitraryVectorPoint(nextMarkPoint1, windAngle, 10d);
 
 
-        Integer boatLineFuncResult = GeometryUtils.lineFunction(nextMarkPoint1, nextMarkPoint2, boatCurrentPoint);
-        Integer windLineFuncResult = GeometryUtils.lineFunction(nextMarkPoint1, nextMarkPoint2, windTestPoint);
+        Integer boatLineFuncResult = GeoUtility.lineFunction(nextMarkPoint1, nextMarkPoint2, boatCurrentPoint);
+        Integer windLineFuncResult = GeoUtility.lineFunction(nextMarkPoint1, nextMarkPoint2, windTestPoint);
 
 
         /*

src/main/java/seng302/gameServer/ClientConnectionDelegate.java

@@ -0,0 +1,17 @@
+package seng302.gameServer;
+
+import seng302.models.Player;
+
+public interface ClientConnectionDelegate {
+    /**
+     * A player has connected to the server
+     * @param serverToClientThread The player that has connected
+     */
+    void clientConnected(ServerToClientThread serverToClientThread);
+
+    /**
+     * A player has disconnected from the server
+     * @param player The player that has disconnected
+     */
+    void clientDisconnected(Player player);
+}

src/main/java/seng302/gameServer/GameStages.java

@@ -0,0 +1,24 @@
+package seng302.gameServer;
+
+/**
+ * An enum describing the states of the game
+ * Created by wmu16 on 11/07/17.
+ */
+public enum GameStages {
+
+    LOBBYING(0),
+    PRE_RACE(1),
+    RACING(2),
+    FINISHED(3),
+    CANCELLED(4);
+
+    private long code;
+
+    GameStages(long code) {
+        this.code = code;
+    }
+
+    public long getCode(){
+        return code;
+    }
+}

src/main/java/seng302/gameServer/GameState.java

@@ -0,0 +1,101 @@
+package seng302.gameServer;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import seng302.models.Player;
+
+import java.util.ArrayList;
+import seng302.models.Yacht;
+import seng302.server.messages.BoatActionType;
+
+/**
+ * A Static class to hold information about the current state of the game (model)
+ * Created by wmu16 on 10/07/17.
+ */
+public class GameState {
+
+    private static Long previousUpdateTime;
+    private static Double windDirection = 0d;
+    private static Double windSpeed = 0d;
+
+    private static String hostIpAddress;
+    private static List<Player> players;
+    private static Map<Integer, Yacht> yachts;
+    private static Boolean isRaceStarted;
+    private static GameStages currentStage;
+    
+    public GameState(String hostIpAddress) {
+        GameState.hostIpAddress = hostIpAddress;
+        players = new ArrayList<>();
+        currentStage = GameStages.LOBBYING;
+        isRaceStarted = false;
+        //set this when game stage changes to prerace
+        previousUpdateTime = System.currentTimeMillis();
+    }
+
+    public static String getHostIpAddress() {
+        return hostIpAddress;
+    }
+
+    public static List<Player> getPlayers() {
+        return players;
+    }
+    
+    public static void addPlayer(Player player) {
+        players.add(player);
+    }
+    
+    public static void removePlayer(Player player) {
+        players.remove(player);
+    }
+
+    public static void addYacht(Integer sourceId, Yacht yatch) {
+        yachts.put(sourceId, yatch);
+    }
+
+    public static Boolean getIsRaceStarted() {
+        return isRaceStarted;
+    }
+
+    public static GameStages getCurrentStage() {
+        return currentStage;
+    }
+
+    public static void setCurrentStage(GameStages currentStage) {
+        GameState.currentStage = currentStage;
+    }
+
+    public static Double getWindDirection() {
+        return windDirection;
+    }
+
+    public static Double getWindSpeed() {
+        return windSpeed;
+    }
+
+    public static void updateBoat(Integer sourceId, BoatActionType actionType) {
+        switch (actionType) {
+            case VMG:
+                break;
+            case SAILS_IN:
+                break;
+            case SAILS_OUT:
+                break;
+            case TACK_GYBE:
+                break;
+            case UPWIND:
+                break;
+            case DOWNWIND:
+                break;
+        }
+    }
+
+    public static void update() {
+        Long timeInterval = System.currentTimeMillis() - previousUpdateTime;
+        previousUpdateTime = System.currentTimeMillis();
+        for (Yacht yacht : yachts.values()) {
+            yacht.update(timeInterval);
+        }
+    }
+}

src/main/java/seng302/gameServer/HeartbeatThread.java

@@ -0,0 +1,81 @@
+package seng302.gameServer;
+
+import seng302.models.Player;
+import seng302.server.messages.Heartbeat;
+import seng302.server.messages.Message;
+
+import java.io.IOException;
+import java.util.*;
+
+/**
+ * Send Heartbeat messages to connected player at a specified interval
+ * Will call .clientDisconnected on the delegate when a heartbeat message
+ * cannot be sent to a player
+ */
+public class HeartbeatThread extends Thread{
+    private final int HEARTBEAT_PERIOD = 5000;
+    private ClientConnectionDelegate delegate;
+    private Integer seqNum;
+    private Stack<Player> disconnectedPlayers;
+
+    public HeartbeatThread(ClientConnectionDelegate delegate){
+        this.delegate =  delegate;
+        seqNum = 0;
+        disconnectedPlayers = new Stack<>();
+    }
+
+    /**
+     * A player has lost connection to the server
+     * The player is added to a stack so that the delegate
+     * can be notified
+     *
+     * @param player The player that has disconnected
+     */
+    private void playerLostConnection(Player player){
+        disconnectedPlayers.push(player);
+    }
+
+    /**
+     * Sends a heartbeat message to each connected player
+     * The delegate is notified if a player has disconnected
+     */
+    private void sendHeartbeatToAllPlayers(){
+        Message heartbeat = new Heartbeat(seqNum);
+
+        for (Player player : GameState.getPlayers()){
+            if (!player.getSocket().isConnected()){
+                playerLostConnection(player);
+            }
+
+            try {
+                player.getSocket().getOutputStream().write(heartbeat.getBuffer());
+            } catch (IOException e) {
+                playerLostConnection(player);
+            }
+        }
+
+        updateDelegate();
+        seqNum++;
+    }
+
+    /**
+     * Notifies the delegate about
+     * each disconnected player
+     */
+    private void updateDelegate() {
+        while (!disconnectedPlayers.empty()){
+            delegate.clientDisconnected(disconnectedPlayers.pop());
+        }
+    }
+
+    public void run(){
+        Timer t = new Timer();
+
+        t.schedule(new TimerTask() {
+            @Override
+            public void run() {
+                sendHeartbeatToAllPlayers();
+            }
+        }, 0, HEARTBEAT_PERIOD);
+    }
+}

src/main/java/seng302/gameServer/MainServerThread.java

@@ -0,0 +1,147 @@
+package seng302.gameServer;
+
+import seng302.client.ClientPacketParser;
+import seng302.models.Player;
+import seng302.models.stream.PacketBufferDelegate;
+import seng302.models.stream.packets.StreamPacket;
+
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.util.ArrayList;
+import java.util.concurrent.PriorityBlockingQueue;
+
+/**
+ * A class describing the overall server, which creates and collects server threads for each client
+ * Created by wmu16 on 13/07/17.
+ */
+public class MainServerThread extends Thread implements PacketBufferDelegate, ClientConnectionDelegate{
+
+    private static final int PORT = 4950;
+    private static final Integer MAX_NUM_PLAYERS = 3;
+    private static final int LOG_LEVEL = 1;
+
+    private ServerSocket serverSocket = null;
+    private Socket socket;
+    private ArrayList<ServerToClientThread> serverToClientThreads = new ArrayList<>();
+
+    private PriorityBlockingQueue<StreamPacket> packetBuffer;
+
+
+    public MainServerThread() {
+        try {
+            serverSocket = new ServerSocket(PORT);
+        } catch (IOException e) {
+            System.out.println("IO error in server thread handler upon trying to make new server socket");
+        }
+
+        packetBuffer = new PriorityBlockingQueue<>();
+    }
+
+
+    public void run() {
+        ServerListenThread serverListenThread;
+        HeartbeatThread heartbeatThread;
+
+        serverListenThread = new ServerListenThread(serverSocket, this);
+        heartbeatThread = new HeartbeatThread(this);
+
+        heartbeatThread.start();
+        serverListenThread.start();
+
+        //You should handle interrupts in some way, so that the thread won't keep on forever if you exit the app.
+        while (!isInterrupted()) {
+            try {
+                Thread.sleep(1000 / 60);    //60 times per second we should calculate the game state
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+
+            if (GameState.getCurrentStage() == GameStages.PRE_RACE) {
+                GameState.update();
+            }
+            //RACING
+            if (GameState.getCurrentStage() == GameStages.RACING) {
+                GameState.update();
+            }
+
+
+            //FINISHED
+            else if (GameState.getCurrentStage() == GameStages.FINISHED) {
+
+            }
+            updateClients();
+
+            while (!packetBuffer.isEmpty()){
+                System.out.println("WHATUPPP");
+                try {
+                    StreamPacket packet = packetBuffer.take();
+                    ClientPacketParser.parsePacket(packet);
+                } catch (InterruptedException e) {
+                    continue;
+                }
+            }
+        }
+
+        System.out.println("WHOOPSIES");
+
+
+        // TODO: 14/07/17 wmu16 - Send out disconnect packet to clients
+        try {
+            serverSocket.close();
+            return;
+        } catch (IOException e) {
+            System.out.println("IO error in server thread handler upon closing socket");
+        }
+    }
+
+
+    public void updateClients() {
+        for (ServerToClientThread serverToClientThread : serverToClientThreads) {
+            serverToClientThread.updateClient();
+        }
+    }
+
+
+    static void serverLog(String message, int logLevel){
+        if(logLevel <= LOG_LEVEL){
+            System.out.println("[SERVER] " + message);
+        }
+    }
+
+    @Override
+    public boolean addToBuffer(StreamPacket streamPacket) {
+        System.out.println("HEY HI");
+        return packetBuffer.add(streamPacket);
+    }
+
+    private void initializeRace(){
+        for (ServerToClientThread serverToClientThread : serverToClientThreads) {
+            serverToClientThread.updateClient();
+        }
+    }
+
+
+    /**
+     * A client has tried to connect to the server
+     * @param serverToClientThread The player that connected
+     */
+    @Override
+    public void clientConnected(ServerToClientThread serverToClientThread) {
+        serverLog("Player Connected From " + serverToClientThread.getName(), 0);
+        serverToClientThreads.add(serverToClientThread);
+
+    }
+
+    /**
+     * A player has left the game, remove the player from the GameState
+     * @param player The player that left
+     */
+    @Override
+    public void clientDisconnected(Player player) {
+        serverLog("Player disconnected", 0);
+        GameState.removePlayer(player);
+//        sendXml();
+    }
+
+}

src/main/java/seng302/gameServer/ServerListenThread.java

@@ -0,0 +1,45 @@
+package seng302.gameServer;
+
+import seng302.models.Player;
+
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.nio.channels.ServerSocketChannel;
+import java.nio.channels.SocketChannel;
+
+/**
+ * A class for a thread to listen to connections
+ * Created by wmu16 on 11/07/17.
+ */
+public class ServerListenThread extends Thread{
+    private ServerSocket serverSocket;
+    private ClientConnectionDelegate delegate;
+
+    public ServerListenThread(ServerSocket serverSocket, ClientConnectionDelegate delegate){
+        this.serverSocket = serverSocket;
+        this.delegate = delegate;
+    }
+
+    /**
+     * Listens for a connection and upon finding one, creates a Player object and adds it to the universal GameState
+     */
+    private void acceptConnection() {
+        try {
+            Socket thisClient = serverSocket.accept();
+            if (thisClient != null){
+                ServerToClientThread thisConnection = new ServerToClientThread(thisClient);
+                thisConnection.start();
+                delegate.clientConnected(thisConnection);
+            }
+        } catch (IOException e) {
+            e.getMessage();
+        }
+    }
+
+    public void run(){
+        while (true){
+            acceptConnection();
+        }
+    }
+}

src/main/java/seng302/gameServer/ServerPacketParser.java

@@ -0,0 +1,37 @@
+package seng302.gameServer;
+
+import java.util.Arrays;
+import seng302.models.stream.packets.StreamPacket;
+import seng302.server.messages.BoatActionType;
+
+
+public class ServerPacketParser {
+
+
+    public static BoatActionType extractBoatAction(StreamPacket packet) {
+        byte[] payload = packet.getPayload();
+        int messageVersionNo = payload[0];
+        long actionTypeValue = bytesToLong(Arrays.copyOfRange(payload, 0, 1));
+        return BoatActionType.getType((int) actionTypeValue);
+    }
+
+    /**
+     * takes an array of up to 7 bytes and returns a positive
+     * long constructed from the input bytes
+     *
+     * @return a positive long if there is less than 7 bytes -1 otherwise
+     */
+    private static long bytesToLong(byte[] bytes) {
+        long partialLong = 0;
+        int index = 0;
+        for (byte b : bytes) {
+            if (index > 6) {
+                return -1;
+            }
+            partialLong = partialLong | (b & 0xFFL) << (index * 8);
+            index++;
+        }
+        return partialLong;
+    }
+}
+

src/main/java/seng302/gameServer/ServerToClientThread.java

@@ -0,0 +1,195 @@
+package seng302.gameServer;
+
+
+import java.util.Random;
+import seng302.client.ClientPacketParser;
+import seng302.models.Player;
+import seng302.models.Yacht;
+import seng302.models.stream.packets.PacketType;
+import seng302.models.stream.packets.StreamPacket;
+import seng302.server.messages.ChatterMessage;
+import seng302.server.messages.Heartbeat;
+import seng302.server.messages.BoatActionType;
+import seng302.server.messages.Message;
+
+import java.io.*;
+import java.net.Socket;
+import java.util.zip.CRC32;
+import java.util.zip.Checksum;
+import seng302.utilities.GeoPoint;
+
+/**
+ * A class describing a single connection to a Client for the purposes of sending and receiving on its own thread.
+ * All server threads created and owned by the server thread handler which can trigger client updates on its threads
+ * Created by wmu16 on 13/07/17.
+ */
+public class ServerToClientThread extends Thread {
+    private static final Integer MAX_ID_ATTEMPTS = 10;
+
+    private InputStream is;
+    private OutputStream os;
+    private Socket socket;
+
+    private  ByteArrayOutputStream crcBuffer;
+
+    private Boolean userIdentified = false;
+    private Boolean connected = true;
+    private Boolean updateClient = true;
+
+    private Integer sourceId;
+
+    public ServerToClientThread(Socket socket) {
+        this.socket = socket;
+        try {
+            is = socket.getInputStream();
+            os = socket.getOutputStream();
+        } catch (IOException e) {
+            System.out.println("IO error in server thread upon grabbing streams");
+        }
+//                threeWayHandshake();
+        GameState.addPlayer(new Player(socket));
+        Random rand = new Random();
+        sourceId = rand.nextInt(100000);
+        GameState.addYacht(sourceId, new Yacht("Kappa", "Kap", new GeoPoint(0.0, 0.0), 0.0));
+    }
+
+    public void run() {
+        int sync1;
+        int sync2;
+        // TODO: 14/07/17 wmu16 - Work out how to fix this while loop
+        while(true) {
+            //System.out.print(".");
+
+            try {
+                //Perform a write if it is time to as delegated by the MainServerThread
+                if (updateClient) {
+                    // TODO: 13/07/17 wmu16 - Write out game state - some function that would write all appropriate messages to this output stream
+                    ChatterMessage chatterMessage = new ChatterMessage(4, 14, "Hello, it's me");
+                    sendMessage(chatterMessage);
+
+//                try {
+//                    GameState.outputState(os);
+//                } catch (IOException e) {
+//                    System.out.println("IO error in server thread upon writing to output stream");
+//                }
+                    updateClient = false;
+                }
+
+
+                crcBuffer = new ByteArrayOutputStream();
+                sync1 = readByte();
+                sync2 = readByte();
+
+                //checking if it is the start of the packet
+                if(sync1 == 0x47 && sync2 == 0x83) {
+                    int type = readByte();
+                    //No. of milliseconds since Jan 1st 1970
+                    long timeStamp = Message.bytesToLong(getBytes(6));
+                    skipBytes(4);
+                    long payloadLength = Message.bytesToLong(getBytes(2));
+                    byte[] payload = getBytes((int) payloadLength);
+                    Checksum checksum = new CRC32();
+                    checksum.update(crcBuffer.toByteArray(), 0, crcBuffer.size());
+                    long computedCrc = checksum.getValue();
+                    long packetCrc = Message.bytesToLong(getBytes(4));
+                    if (computedCrc == packetCrc) {
+                        //System.out.println("RECEIVED A PACKET");
+                        switch (PacketType.assignPacketType(type)) {
+                            case BOAT_ACTION:
+                                BoatActionType actionType = ServerPacketParser
+                                    .extractBoatAction(
+                                        new StreamPacket(type, payloadLength, timeStamp, payload));
+                                GameState.updateBoat(sourceId, actionType);
+                                break;
+                        }
+                    } else {
+                        System.err.println("Packet has been dropped");
+                    }
+                }
+            } catch (Exception e) {
+                e.printStackTrace();
+                closeSocket();
+                return;
+            }
+        }
+
+    }
+
+    public void updateClient() {
+        updateClient = true;
+    }
+
+
+    /**
+     * Tries to confirm the connection just accepted.
+     * Sends ID, expects that ID echoed for confirmation,
+     * if so, sends a confirmation packet back to that connection
+     * Creates a player instance with that ID and this thread and adds it to the GameState
+     * If not, close the socket and end the threads execution
+     */
+    private void threeWayHandshake() {
+//        // TODO: 13/07/17 Finish using AC35
+//        Integer playerID = GameState.getUniquePlayerID();
+//        Integer confirmationID = null;
+//        Integer identificationAttempt = 0
+//        while (!userIdentified) {
+//            os.write(playerID);                                       //Send out new ID looking for echo
+//            confirmationID = is.read();
+//            if (playerID == idConfirmation) {                         //ID is echoed back. Connection is a client
+//                os.write(  some determined confirmation message  );   //Confirm to client
+//                GameState.addPlayer(new Player(playerID, this));      //Create a player in game state for client
+//                userIdentified = true;
+//            } else if (identificationAttempt > MAX_ID_ATTEMPTS) {     //No response. not a client. tidy up and go home.
+//                closeSocket();
+//                return;
+//            }
+//        identificationAttempt++;
+//        }
+    }
+
+    public void closeSocket() {
+        try {
+            socket.close();
+        } catch (IOException e) {
+            System.out.println("IO error in server thread upon trying to close socket");
+        }
+    }
+
+
+    private int readByte() throws Exception {
+        int currentByte = -1;
+        try {
+            // @TODO @FIX ConnectionReset Exception when a client disconnects before it is garbage collected
+            currentByte = is.read();
+            crcBuffer.write(currentByte);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        if (currentByte == -1){
+            throw new Exception();
+        }
+        return currentByte;
+    }
+
+    private byte[] getBytes(int n) throws Exception{
+        byte[] bytes = new byte[n];
+        for (int i = 0; i < n; i++){
+            bytes[i] = (byte) readByte();
+        }
+        return bytes;
+    }
+
+    private void skipBytes(long n) throws Exception{
+        for (int i=0; i < n; i++){
+            readByte();
+        }
+    }
+
+    public void sendMessage(Message message){
+        try {
+            os.write(message.getBuffer());
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}

src/main/java/seng302/models/Player.java

@@ -0,0 +1,71 @@
+package seng302.models;
+
+import javafx.scene.paint.Color;
+
+import java.io.IOException;
+import java.net.Socket;
+import java.nio.channels.SocketChannel;
+
+/**
+ * A Class defining a player and their respective details in the game as held by the model
+ * Created by wmu16 on 10/07/17.
+ */
+public class Player {
+
+    private Socket socket;
+    private Yacht yacht;
+    private Integer lastMarkPassed;
+
+
+    public Player(Socket socket) {
+        this.socket = socket;
+    }
+
+    public Socket getSocket() {
+        return socket;
+    }
+
+    public Integer getLastMarkPassed() {
+        return lastMarkPassed;
+    }
+
+    public void setLastMarkPassed(Integer lastMarkPassed) {
+        this.lastMarkPassed = lastMarkPassed;
+    }
+
+    public Yacht getYacht() {
+        return yacht;
+    }
+
+    @Override
+    public String toString() {
+        String playerAddress = null;
+
+        if (socket == null){
+            return "Disconnected Player";
+        }
+
+        playerAddress = socket.getRemoteSocketAddress().toString();
+
+
+        return playerAddress;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == null){
+            return false;
+        }
+
+        if (!(obj instanceof Player)){
+            return false;
+        }
+
+        return ((Player) obj).socket.equals(socket);
+    }
+
+    @Override
+    public int hashCode(){
+        return socket.hashCode();
+    }
+}

src/main/java/seng302/models/PolarTable.java

@@ -1,6 +1,9 @@
 package seng302.models;
 
-import java.io.*;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
 import java.util.ArrayList;
 import java.util.HashMap;
 
@@ -24,9 +27,8 @@ public final class PolarTable {
      * Iterates through each row of the polar table, in pairs, to extract the row into a hashmap of angle to boat speed.
      * These angle boatspeed hashmaps are then added to an outer hashmap at the end of wind speed key to each row hashmap
      * as a value
-     * @param file containing the polar csv information
      */
-    public static void parsePolarFile(String file) {
+    public static void parsePolarFile(InputStream polarFile) {
         polarTable = new HashMap<>();
         upwindOptimal = new HashMap<>();
         downwindOptimal = new HashMap<>();
@@ -34,7 +36,7 @@ public final class PolarTable {
         String line;
         Boolean isHeaderLine = true;
 
-        try (BufferedReader br = new BufferedReader(new FileReader(file))) {
+        try (BufferedReader br = new BufferedReader(new InputStreamReader(polarFile))) {
             while ((line = br.readLine()) != null) {
                 String[] thisLine = line.split(",");
 
@@ -69,6 +71,8 @@ public final class PolarTable {
         } catch (IOException e) {
             e.printStackTrace();
         }
+
+
     }
 
 
@@ -139,7 +143,7 @@ public final class PolarTable {
     }
 
 
-    private static Double getClosestMatch(Double thisWindSpeed) {
+    public static Double getClosestMatch(Double thisWindSpeed) {
 
         ArrayList<Double> windValues = new ArrayList<>(polarTable.keySet());
 

src/main/java/seng302/models/Yacht.java

@@ -1,11 +1,14 @@
 package seng302.models;
 
-import javafx.scene.paint.Color;
-import seng302.models.mark.Mark;
-import seng302.controllers.RaceViewController;
+import static seng302.utilities.GeoUtility.getGeoCoordinate;
 
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
+import java.util.Map;
+import javafx.scene.paint.Color;
+import seng302.controllers.RaceViewController;
+import seng302.models.mark.Mark;
+import seng302.utilities.GeoPoint;
 
 /**
  * Yacht class for the racing boat.
@@ -24,6 +27,10 @@ public class Yacht {
     private String shortName;
     private String boatName;
     private String country;
+
+    // Situational data
+
+
     // Boat status
     private Integer boatStatus;
     private Integer legNumber;
@@ -31,7 +38,9 @@ public class Yacht {
     private Integer penaltiesServed;
     private Long estimateTimeAtFinish;
     private String position;
-    private double velocity;
+    private GeoPoint location;
+    private Double heading;
+    private Double velocity;
     private Long timeTillNext;
     private Long markRoundTime;
 
@@ -45,8 +54,12 @@ public class Yacht {
      *
      * @param boatName Create a yacht object with name.
      */
-    public Yacht(String boatName) {
+    public Yacht(String boatName, String shortName, GeoPoint location, Double heading) {
         this.boatName = boatName;
+        this.shortName = shortName;
+        this.location = location;
+        this.heading = heading;
+        this.velocity = 0.0;
     }
 
     /**
@@ -74,6 +87,41 @@ public class Yacht {
         this.position = "-";
     }
 
+    /**
+     * @param timeInterval since last update in milliseconds
+     */
+    public void update(Long timeInterval) {
+        Double secondsElapsed = timeInterval / 1000000.0;
+        Double metersCovered = velocity * secondsElapsed;
+        location = getGeoCoordinate(location, heading, metersCovered);
+    }
+
+    /**
+     * Adjusts the yachts velocity based on the wind direction and speed from the polar table.
+     *
+     * @param windDir current wind Direction TODO: 20/07/17 ajm412: (TWA or AWA, not 100% sure?)
+     * @param windSpd current wind Speed
+     */
+    public void updateYachtVelocity(Double windDir, Double windSpd) {
+        Double closestSpd = PolarTable.getClosestMatch(windSpd);
+        Map<Double, Double> polarsFromClosestSpd = PolarTable.getPolarTable().get(closestSpd);
+
+        Double closest = 0d;
+        Double closest_key = 0d;
+
+        for (Double key : polarsFromClosestSpd.keySet()) {
+            Double difference = Math.abs(key - windDir);
+            if (difference <= closest) {
+                closest = difference;
+                closest_key = key;
+            }
+        }
+//        System.out.println("Closest angle " + closest_key);
+//        System.out.println("WindDir " + windDir);
+        velocity = polarsFromClosestSpd.get(closest_key);
+    }
+
+
     public String getBoatType() {
         return boatType;
     }
@@ -191,11 +239,6 @@ public class Yacht {
         this.lastMarkRounded = lastMarkRounded;
     }
 
-    @Override
-    public String toString() {
-        return boatName;
-    }
-
     public void setNextMark(Mark nextMark) {
             this.nextMark = nextMark;
       }
@@ -204,4 +247,9 @@ public class Yacht {
         return nextMark;
       }
 
+    @Override
+    public String toString() {
+        return boatName;
+    }
+
 }

src/main/java/seng302/models/stream/PacketBufferDelegate.java

@@ -0,0 +1,7 @@
+package seng302.models.stream;
+
+import seng302.models.stream.packets.StreamPacket;
+
+public interface PacketBufferDelegate {
+    boolean addToBuffer(StreamPacket streamPacket);
+}

src/main/java/seng302/models/stream/StreamReceiver.java

@@ -1,11 +1,15 @@
 package seng302.models.stream;
 
 import seng302.models.stream.packets.StreamPacket;
+import seng302.server.messages.BoatActionMessage;
+import seng302.server.messages.BoatActionType;
+import seng302.server.messages.Heartbeat;
+import seng302.server.messages.Message;
 
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
+import java.io.*;
 import java.net.Socket;
+import java.nio.ByteBuffer;
+import java.nio.channels.SocketChannel;
 import java.util.Comparator;
 import java.util.concurrent.PriorityBlockingQueue;
 import java.util.zip.CRC32;
@@ -13,7 +17,8 @@ import java.util.zip.Checksum;
 
 
 public class StreamReceiver extends Thread {
-    private InputStream stream;
+    private InputStream inputStream;
+    private OutputStream outputStream;
     private Socket host;
     private ByteArrayOutputStream crcBuffer;
     private Thread t;
@@ -58,49 +63,43 @@ public class StreamReceiver extends Thread {
 
 
     public void connect(){
-        try {
-            stream = host.getInputStream();
-        } catch (IOException e) {
-            e.printStackTrace();
-            System.exit(1);
-        }
 
-        int sync1;
-        int sync2;
-        moreBytes = true;
-        while(moreBytes) {
-            try {
-                crcBuffer = new ByteArrayOutputStream();
-                sync1 = readByte();
-                sync2 = readByte();
-                //checking if it is the start of the packet
-                if(sync1 == 0x47 && sync2 == 0x83) {
-                    int type = readByte();
-                    //No. of milliseconds since Jan 1st 1970
-                    long timeStamp = bytesToLong(getBytes(6));
-                    skipBytes(4);
-                    long payloadLength = bytesToLong(getBytes(2));
-                    byte[] payload = getBytes((int) payloadLength);
-                    Checksum checksum = new CRC32();
-                    checksum.update(crcBuffer.toByteArray(), 0, crcBuffer.size());
-                    long computedCrc = checksum.getValue();
-                    long packetCrc = bytesToLong(getBytes(4));
-                    if (computedCrc == packetCrc) {
-                        packetBuffer.add(new StreamPacket(type, payloadLength, timeStamp, payload));
-                    } else {
-                        System.err.println("Packet has been dropped");
-                    }
-                }
-            } catch (Exception e) {
-                moreBytes = false;
-            }
-        }
+//        int sync1;
+//        int sync2;
+//        moreBytes = true;
+//        while(moreBytes) {
+//            try {
+//                crcBuffer = new ByteArrayOutputStream();
+//                sync1 = readByte();
+//                sync2 = readByte();
+//                //checking if it is the start of the packet
+//                if(sync1 == 0x47 && sync2 == 0x83) {
+//                    int type = readByte();
+//                    //No. of milliseconds since Jan 1st 1970
+//                    long timeStamp = bytesToLong(getBytes(6));
+//                    skipBytes(4);
+//                    long payloadLength = bytesToLong(getBytes(2));
+//                    byte[] payload = getBytes((int) payloadLength);
+//                    Checksum checksum = new CRC32();
+//                    checksum.update(crcBuffer.toByteArray(), 0, crcBuffer.size());
+//                    long computedCrc = checksum.getValue();
+//                    long packetCrc = bytesToLong(getBytes(4));
+//                    if (computedCrc == packetCrc) {
+//                        packetBuffer.add(new StreamPacket(type, payloadLength, timeStamp, payload));
+//                    } else {
+//                        System.err.println("Packet has been dropped");
+//                    }
+//                }
+//            } catch (Exception e) {
+//                moreBytes = false;
+//            }
+//        }
     }
 
     private int readByte() throws Exception {
         int currentByte = -1;
         try {
-            currentByte = stream.read();
+            currentByte = inputStream.read();
             crcBuffer.write(currentByte);
         } catch (IOException e) {
             e.printStackTrace();

src/main/java/seng302/models/stream/packets/PacketType.java

@@ -16,6 +16,7 @@ public enum PacketType {
     MARK_ROUNDING,
     COURSE_WIND,
     AVG_WIND,
+    BOAT_ACTION,
     OTHER;
 
     public static PacketType assignPacketType(int packetType){
@@ -44,6 +45,8 @@ public enum PacketType {
                 return COURSE_WIND;
             case 47:
                 return AVG_WIND;
+            case 100:
+                return BOAT_ACTION;
             default:
         }
         return OTHER;

src/main/java/seng302/server/ServerThread.java

@@ -1,332 +0,0 @@
-package seng302.server;
-
-import seng302.server.messages.*;
-import seng302.server.simulator.Boat;
-import seng302.server.simulator.Simulator;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.*;
-
-public class ServerThread implements Runnable, Observer {
-    private StreamingServerSocket server;
-    private long startTime;
-    private boolean raceStarted =  false;
-    private Map<Integer,Boolean> boatsFinished = new HashMap<>();
-    private List<Boat> boats;
-    private Simulator raceSimulator;
-    private boolean sendingRaceFinishedLocationMessages = true;
-
-    private final int HEARTBEAT_PERIOD = 5000;
-    private final int RACE_STATUS_PERIOD = 1000/2;
-    private final int RACE_START_STATUS_PERIOD = 1000;
-    private final int BOAT_LOCATION_PERIOD = 1000/5;
-    private final int PORT_NUMBER = 4949;
-    private final int TIME_TILL_RACE_START = 20*1000;
-    private static final int LOG_LEVEL = 1;
-
-    public ServerThread(String threadName){
-        Thread runner = new Thread(this, threadName);
-        runner.setDaemon(true);
-
-        raceSimulator = new Simulator(BOAT_LOCATION_PERIOD);
-        raceSimulator.addObserver(this);
-        // run race simulator, so it can send boats' static location.
-        Thread raceSimulatorThread = new Thread(raceSimulator, "Race Simulator");
-
-        boats = raceSimulator.getBoats();
-
-        for (Boat b : boats){
-            boatsFinished.put(b.getSourceID(), false);
-        }
-
-        runner.start();
-        raceSimulatorThread.start();
-    }
-
-     static void serverLog(String message, int logLevel){
-        if(logLevel <= LOG_LEVEL){
-            System.out.println("[SERVER] " + message);
-        }
-    }
-
-    /**
-     * Creates and returns an XML Message from the file specified
-     * @param fileName The source XML file
-     * @param type The XML Message type
-     * @return The XML Message
-     */
-    private Message getXmlMessage(String fileName, XMLMessageSubType type){
-        String fileContents = null;
-
-        try {
-            InputStream thisStream = this.getClass().getResourceAsStream(fileName);
-            fileContents = new String(org.apache.commons.io.IOUtils.toByteArray(thisStream));
-        } catch (IOException e) {
-            e.printStackTrace();
-        } catch (NullPointerException e){
-            return null;
-        }
-
-        if (fileContents != null){
-            return new XMLMessage(fileContents, type, server.getSequenceNumber());
-        }
-
-        return null;
-    }
-
-    /**
-     * @return Get a race status message for the current race
-     */
-    private Message getRaceStatusMessage(){
-        List<BoatSubMessage> boatSubMessages = new ArrayList<>();
-        BoatStatus boatStatus;
-        RaceStatus raceStatus;
-        boolean thereAreBoatsNotFinished = false;
-
-        for (Boat b : boats){
-            if (!raceStarted){
-                boatStatus = BoatStatus.PRESTART;
-                thereAreBoatsNotFinished = true;
-            }
-            else if(boatsFinished.get(b.getSourceID())){
-                boatStatus = BoatStatus.FINISHED;
-            }
-            else{
-                boatStatus = BoatStatus.PRESTART;
-                thereAreBoatsNotFinished = true;
-            }
-
-            BoatSubMessage m = new BoatSubMessage(b.getSourceID(), boatStatus, b.getLastPassedCorner().getSeqID(), 0, 0, b.getEstimatedTimeTillFinish(), b.getEstimatedTimeTillFinish());
-            boatSubMessages.add(m);
-        }
-
-        if (thereAreBoatsNotFinished){
-            if (raceStarted){
-                raceStatus = RaceStatus.STARTED;
-            }
-            else{
-                long currentTime = System.currentTimeMillis();
-                long timeDifference = startTime - currentTime;
-
-                if (timeDifference > 60*3){
-                    raceStatus = RaceStatus.PRESTART;
-                }
-                else if (timeDifference > 60){
-                    raceStatus = RaceStatus.WARNING;
-                }
-                else{
-                    raceStatus = RaceStatus.PREPARATORY;
-                }
-            }
-        }
-        else{
-            raceStatus = RaceStatus.TERMINATED;
-        }
-
-        return new RaceStatusMessage(1, raceStatus, startTime, WindDirection.SOUTH,
-                100, boats.size(), RaceType.MATCH_RACE, 1, boatSubMessages);
-    }
-
-    /**
-     * Starts an instance of the race simulator
-     */
-    private void startRaceSim(){
-        // set race started to true, so the simulator will start moving boats
-        raceSimulator.setRaceStarted(true);
-    }
-
-    /**
-     * Starts sending heartbeat messages to the client
-     */
-    private void startSendingHeartbeats() {
-        Timer t = new Timer();
-
-        t.schedule(new TimerTask() {
-            @Override
-            public void run() {
-                Message heartbeat = new Heartbeat(server.getSequenceNumber());
-
-                try {
-                    server.send(heartbeat);
-                } catch (IOException e) {
-                    e.printStackTrace();
-                }
-            }
-        }, 0, HEARTBEAT_PERIOD);
-    }
-
-    /**
-     * Start sending race start status messages until race starts
-     */
-    private void startSendingRaceStartStatusMessages(){
-        Timer t = new Timer();
-        t.schedule(new TimerTask() {
-            @Override
-            public void run() {
-                Message raceStartStatusMessage = new RaceStartStatusMessage(server.getSequenceNumber(), startTime , 1,
-                        RaceStartNotificationType.SET_RACE_START_TIME);
-                try {
-                    if (startTime < System.currentTimeMillis() && !raceStarted){
-                        startRaceSim();
-                        raceStarted = true;
-                    }
-                    else{
-                        server.send(raceStartStatusMessage);
-                    }
-
-                } catch (IOException e) {
-                    e.printStackTrace();
-                }
-            }
-        }, 0, RACE_START_STATUS_PERIOD);
-    }
-
-    /**
-     * Start sending race start status messages until race starts
-     */
-    private void startSendingRaceStatusMessages(){
-        Timer t = new Timer();
-        t.schedule(new TimerTask() {
-            @Override
-            public void run() {
-                Message raceStatusMessage = getRaceStatusMessage();
-                try {
-                    server.send(raceStatusMessage);
-                } catch (IOException e) {
-                    e.printStackTrace();
-                }
-            }
-        }, 0, RACE_STATUS_PERIOD);
-    }
-
-    /**
-     * Sends the race, boat, and regatta XML files to the client
-     */
-    private void sendXml(){
-        try{
-            Message raceData = getXmlMessage("/server_config/race.xml", XMLMessageSubType.RACE);
-            Message boatData = getXmlMessage("/server_config/boats.xml", XMLMessageSubType.BOAT);
-            Message regatta = getXmlMessage("/server_config/regatta.xml", XMLMessageSubType.REGATTA);
-
-            if (raceData != null){
-                server.send(raceData);
-            }
-            if (boatData != null){
-                server.send(boatData);
-            }
-             if (regatta != null){
-                 server.send(regatta);
-            }
-        } catch (IOException e) {
-            serverLog("Couldn't send an XML Message: " + e.getMessage(), 0);
-        }
-    }
-
-    /**
-     * Send the post-start race course information
-     */
-    private void sendPostStartCourseXml(){
-        Timer t = new Timer();
-        t.schedule(new TimerTask() {
-            @Override
-            public void run() {
-                try {
-                    Message raceData = getXmlMessage("/server_config/courseLimits.xml", XMLMessageSubType.RACE);
-                    if (raceData != null) {
-                        server.send(raceData);
-                    }
-                }catch (IOException e) {
-                    serverLog("Couldn't send an XML Message: " + e.getMessage(), 0);
-                }
-            }
-        },25000);
-        //Delays the new course xml data for 25 seconds so the boats are able to pass the starting line
-    }
-
-    public void run() {
-        try{
-            server = new StreamingServerSocket(PORT_NUMBER);
-        }
-        catch (IOException e){
-            serverLog("Failed to bind socket: " + e.getMessage(), 0);
-        }
-
-        // Wait for client to connect
-        server.start();
-
-        startTime = System.currentTimeMillis() + TIME_TILL_RACE_START;
-
-        startSendingHeartbeats();
-        sendXml();
-        startSendingRaceStartStatusMessages();
-        startSendingRaceStatusMessages();
-        sendPostStartCourseXml();
-    }
-
-    /**
-     * Start sending static boat position updates when race has finished
-     */
-    private void startSendingRaceFinishedBoatPositions(){
-        Timer t = new Timer();
-        t.schedule(new TimerTask() {
-            @Override
-            public void run() {
-                try {
-                    for (Boat b : raceSimulator.getBoats()){
-                        Message m = new BoatLocationMessage(b.getSourceID(), server.getSequenceNumber(), b.getLat(),
-                                b.getLng(), b.getLastPassedCorner().getBearingToNextCorner(),
-                                ((long) 0));
-
-                        server.send(m);
-                    }
-
-                } catch (IOException e) {
-                    e.printStackTrace();
-                }
-            }
-        }, 0, BOAT_LOCATION_PERIOD);
-    }
-
-    /**
-     * Send a boat location message when they are updated by the simulator
-     * @param o .
-     * @param arg .
-     */
-    @Override
-    @SuppressWarnings("unchecked")
-    public void update(Observable o, Object arg) {
-        // Only send if server started
-        // TODO: I don't understand why i need to check server is null or not ... confused - haoming 2/5/17
-        if(server == null || !server.isStarted()){
-            return;
-        }
-
-        int numOfBoatsFinished = 0;
-        for (Boat boat : (List<Boat>) arg){
-            try {
-                if (boat.isFinished()) {
-                    numOfBoatsFinished ++;
-                    if (!boatsFinished.get(boat.getSourceID())) {
-                        boatsFinished.put(boat.getSourceID(), true);
-                    }
-                }
-                Message m = new BoatLocationMessage(boat.getSourceID(), 1, boat.getLat(),
-                        boat.getLng(), boat.getLastPassedCorner().getBearingToNextCorner(),
-                        ((long) boat.getSpeed()));
-                server.send(m);
-            } catch (IOException e) {
-                serverLog("Couldn't send a boat status message", 3);
-                return;
-            }
-            catch (NullPointerException e){
-                e.printStackTrace();
-            }
-        }
-
-        if (numOfBoatsFinished == ((List<Boat>) arg).size()) {
-            startSendingRaceFinishedBoatPositions();
-        }
-
-    }
-}

src/main/java/seng302/server/StreamingServerSocket.java

@@ -1,61 +0,0 @@
-package seng302.server;
-
-import seng302.server.messages.Message;
-
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.net.InetSocketAddress;
-import java.net.Socket;
-import java.nio.channels.Channels;
-import java.nio.channels.ServerSocketChannel;
-import java.nio.channels.SocketChannel;
-import java.nio.channels.WritableByteChannel;
-import java.util.ArrayList;
-import java.util.List;
-
-class StreamingServerSocket {
-    private ServerSocketChannel socket;
-    private SocketChannel client;
-    private short seqNum;
-    private boolean isServerStarted;
-
-    StreamingServerSocket(int port) throws IOException{
-        socket = ServerSocketChannel.open();
-        socket.socket().bind(new InetSocketAddress("localhost", port));
-        //socket.setSoTimeout(10000);
-        seqNum = 0;
-        isServerStarted = false;
-    }
-
-    void start(){
-        try {
-            client = socket.accept();
-        } catch (IOException e) {
-            e.getMessage();
-        }
-        if (client.socket() == null){
-            start();
-        }
-        else{
-            isServerStarted = true;
-        }
-    }
-
-    void send(Message message) throws IOException{
-        if (client == null){
-            return;
-        }
-
-        message.send(client);
-
-        seqNum++;
-    }
-
-    public short getSequenceNumber(){
-        return seqNum;
-    }
-
-    public boolean isStarted(){
-        return isServerStarted;
-    }
-}

src/main/java/seng302/server/messages/BoatActionMessage.java

@@ -0,0 +1,33 @@
+package seng302.server.messages;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.ByteBuffer;
+
+/**
+ * Created by kre39 on 12/07/17.
+ */
+public class BoatActionMessage extends Message{
+    private final MessageType MESSAGE_TYPE = MessageType.BOAT_ACTION;
+    private final int MESSAGE_SIZE = 1;
+    private BoatActionType actionType;
+
+    public BoatActionMessage(BoatActionType actionType) {
+        this.actionType = actionType;
+        setHeader(new Header(MessageType.BOAT_ACTION, 0, (short) 1)); // the second variable is the source id
+        allocateBuffer();
+        writeHeaderToBuffer();
+        // Write message fields
+        putInt(actionType.getValue(), 1);
+        writeCRC();
+        rewind();
+
+    }
+
+    @Override
+    public int getSize() {
+        return MESSAGE_SIZE;
+    }
+
+
+}

src/main/java/seng302/server/messages/BoatActionType.java

@@ -0,0 +1,38 @@
+package seng302.server.messages;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Created by kre39 on 12/07/17.
+ */
+public enum BoatActionType {
+
+    VMG(1),
+    SAILS_IN(2),
+    SAILS_OUT(3),
+    TACK_GYBE(4),
+    UPWIND(5),
+    DOWNWIND(6);
+
+    private final int type;
+    private static final Map<Integer, BoatActionType> intToTypeMap = new HashMap<>();
+
+    static {
+        for (BoatActionType type : BoatActionType.values()) {
+            intToTypeMap.put(type.getValue(), type);
+        }
+    }
+
+    BoatActionType(int type){
+        this.type = type;
+    }
+
+    public static BoatActionType getType(int value) {
+        return intToTypeMap.get(value);
+    }
+
+    public int getValue() {
+        return this.type;
+    }
+}

src/main/java/seng302/server/messages/BoatLocationMessage.java

@@ -1,7 +1,7 @@
 package seng302.server.messages;
 
 import java.io.IOException;
-import java.nio.channels.SocketChannel;
+import java.io.OutputStream;
 
 public class BoatLocationMessage extends Message {
     private final int MESSAGE_SIZE = 56;
@@ -64,6 +64,36 @@ public class BoatLocationMessage extends Message {
         this.rudderAngle = 0;
 
         setHeader(new Header(MessageType.BOAT_LOCATION, 1, (short) getSize()));
+        allocateBuffer();
+        writeHeaderToBuffer();
+
+        long headingToSend = (long)((heading/360.0) * 65535.0);
+
+        putByte((byte) messageVersionNumber);
+        putInt(time, 6);
+        putInt((int) sourceId, 4);
+        putUnsignedInt((int) sequenceNum, 4);
+        putByte((byte) deviceType.getCode());
+        putInt((int) latLonToBinaryPackedLong(latitude), 4);
+        putInt((int) latLonToBinaryPackedLong(longitude), 4);
+        putInt((int) altitude, 4);
+        putInt(headingToSend, 2);
+        putInt((int) pitch, 2);
+        putInt((int) roll, 2);
+        putInt((int) boatSpeed, 2);
+        putUnsignedInt((int) COG, 2);
+        putUnsignedInt((int) SOG, 2);
+        putUnsignedInt((int) apparentWindSpeed, 2);
+        putInt((int) apparentWindAngle, 2);
+        putUnsignedInt((int) trueWindSpeed, 2);
+        putUnsignedInt((int) trueWindDirection, 2);
+        putInt((int) trueWindAngle, 2);
+        putUnsignedInt((int) currentDrift, 2);
+        putUnsignedInt((int) currentSet, 2);
+        putInt((int) rudderAngle, 2);
+
+        writeCRC();
+        rewind();
     }
 
     /**
@@ -124,41 +154,4 @@ public class BoatLocationMessage extends Message {
     public int getSize() {
         return MESSAGE_SIZE;
     }
-
-
-    @Override
-    public void send(SocketChannel outputStream) throws IOException{
-        allocateBuffer();
-        writeHeaderToBuffer();
-
-        long headingToSend = (long)((heading/360.0) * 65535.0);
-
-        putByte((byte) messageVersionNumber);
-        putInt(time, 6);
-        putInt((int) sourceId, 4);
-        putUnsignedInt((int) sequenceNum, 4);
-        putByte((byte) deviceType.getCode());
-        putInt((int) latLonToBinaryPackedLong(latitude), 4);
-        putInt((int) latLonToBinaryPackedLong(longitude), 4);
-        putInt((int) altitude, 4);
-        putInt(headingToSend, 2);
-        putInt((int) pitch, 2);
-        putInt((int) roll, 2);
-        putInt((int) boatSpeed, 2);
-        putUnsignedInt((int) COG, 2);
-        putUnsignedInt((int) SOG, 2);
-        putUnsignedInt((int) apparentWindSpeed, 2);
-        putInt((int) apparentWindAngle, 2);
-        putUnsignedInt((int) trueWindSpeed, 2);
-        putUnsignedInt((int) trueWindDirection, 2);
-        putInt((int) trueWindAngle, 2);
-        putUnsignedInt((int) currentDrift, 2);
-        putUnsignedInt((int) currentSet, 2);
-        putInt((int) rudderAngle, 2);
-
-        writeCRC();
-        rewind();
-
-        outputStream.write(getBuffer());
-    }
 }

src/main/java/seng302/server/messages/ChatterMessage.java

@@ -0,0 +1,38 @@
+package seng302.server.messages;
+
+/**
+ * Created by kre39 on 20/07/17.
+ */
+public class ChatterMessage extends Message {
+
+    private final long MESSAGE_VERSION_NUMBER = 1;
+    private final int MESSAGE_SIZE = 3;
+    private int message_type;
+    private int message_size = 21;
+    private String message;
+
+    public ChatterMessage(int message_type, int message_size, String message) {
+        this.message_type = message_type;
+        this.message_size = message_size;
+        this.message = message;
+
+        setHeader(new Header(MessageType.CHATTER_TEXT, 1, (short) getSize()));
+        allocateBuffer();
+        writeHeaderToBuffer();
+
+        putByte((byte) MESSAGE_VERSION_NUMBER);
+        putInt(message_type, 1);
+        putInt(message_size, 1);
+        putBytes(message.getBytes());
+
+        writeCRC();
+        rewind();
+    }
+
+    @Override
+    public int getSize() {
+        return MESSAGE_SIZE + message_size;
+    }
+
+
+}

src/main/java/seng302/server/messages/Header.java

@@ -43,10 +43,21 @@ public class Header {
         buff.position(buffPos);
     }
 
+    /**
+     * Reset the buffer
+     */
+    public void reset(){
+        buffPos = 0;
+        buff.clear();
+        buff.position(buffPos);
+    }
+
     /**
      * @return a ByteBuffer containing the message header
      */
     public ByteBuffer getByteBuffer(){
+        reset();
+
         putInBuffer(ByteBuffer.allocate(1).put((byte)syncByte1).array(), syncByte1);
 
         putInBuffer(ByteBuffer.allocate(1).put((byte)syncByte2).array(), syncByte2);

src/main/java/seng302/server/messages/Heartbeat.java

@@ -1,32 +1,16 @@
 package seng302.server.messages;
 
-import java.io.DataOutputStream;
 import java.io.IOException;
-import java.nio.ByteBuffer;
-import java.nio.channels.Channels;
-import java.nio.channels.SocketChannel;
-import java.nio.channels.WritableByteChannel;
-import java.util.zip.CRC32;
+import java.io.OutputStream;
 
 public class Heartbeat extends Message {
     private final int MESSAGE_SIZE = 4;
-    private int seqNo;
 
     /**
      * Heartbeat from the AC35 Streaming data spec
      * @param seqNo Increment every time a message is sent
      */
     public Heartbeat(int seqNo){
-        this.seqNo = seqNo;
-    }
-
-    @Override
-    public int getSize() {
-        return MESSAGE_SIZE;
-    }
-
-    @Override
-    public void send(SocketChannel outputStream) throws IOException {
         setHeader(new Header(MessageType.HEARTBEAT, 0x01, (short) getSize()));
 
         allocateBuffer();
@@ -36,7 +20,11 @@ public class Heartbeat extends Message {
 
         writeCRC();
         rewind();
-
-        outputStream.write(getBuffer());
     }
+
+    @Override
+    public int getSize() {
+        return MESSAGE_SIZE;
+    }
+
 }

src/main/java/seng302/server/messages/MarkRoundingMessage.java

@@ -1,10 +1,7 @@
 package seng302.server.messages;
 
-import java.io.DataOutputStream;
 import java.io.IOException;
-import java.nio.channels.Channels;
-import java.nio.channels.SocketChannel;
-import java.nio.channels.WritableByteChannel;
+import java.io.OutputStream;
 
 public class MarkRoundingMessage extends Message{
     private final long MESSAGE_VERSION_NUMBER = 1;
@@ -33,15 +30,6 @@ public class MarkRoundingMessage extends Message{
         this.markId = markId;
 
         setHeader(new Header(MessageType.MARK_ROUNDING, 1, (short) getSize()));
-    }
-
-    @Override
-    public int getSize() {
-        return MESSAGE_SIZE;
-    }
-
-    @Override
-    public void send(SocketChannel outputStream) throws IOException {
         allocateBuffer();
         writeHeaderToBuffer();
 
@@ -56,7 +44,10 @@ public class MarkRoundingMessage extends Message{
 
         writeCRC();
         rewind();
+    }
 
-        outputStream.write(getBuffer());
+    @Override
+    public int getSize() {
+        return MESSAGE_SIZE;
     }
 }

src/main/java/seng302/server/messages/Message.java

@@ -1,9 +1,9 @@
 package seng302.server.messages;
 
 import java.io.IOException;
+import java.io.OutputStream;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
-import java.nio.channels.SocketChannel;
 import java.util.Arrays;
 import java.util.zip.CRC32;
 
@@ -33,11 +33,6 @@ public abstract class Message {
      */
     public abstract int getSize();
 
-    /**
-     * Send the message as through the outputStream
-     */
-    public abstract void send(SocketChannel outputStream) throws IOException;
-
     /**
      * Allocate byte buffer to correct size
      */
@@ -45,6 +40,7 @@ public abstract class Message {
         buffer = ByteBuffer.allocate(Header.getSize() + getSize() + CRC_SIZE);
         buffer.order(ByteOrder.LITTLE_ENDIAN);
         bufferPosition = 0;
+        buffer.position(bufferPosition);
     }
 
     /**
@@ -161,10 +157,10 @@ public abstract class Message {
     }
 
     /**
-     * @return The current buffer
+     * @return The current buffer as a byte array
      */
-    public ByteBuffer getBuffer(){
-        return buffer;
+    public byte[] getBuffer(){
+        return buffer.array();
     }
 
     /**
@@ -193,6 +189,25 @@ public abstract class Message {
         return data;
     }
 
+    /**
+     * takes an array of up to 7 bytes in little endian format and
+     * returns a positive long constructed from the input bytes
+     *
+     * @return a positive long if there is less than 8 bytes -1 otherwise
+     */
+    public static long bytesToLong(byte[] bytes){
+        long partialLong = 0;
+        int index = 0;
+        for (byte b: bytes){
+            if (index > 6){
+                return -1;
+            }
+            partialLong = partialLong | (b & 0xFFL) << (index * 8);
+            index++;
+        }
+        return partialLong;
+    }
+
     /**
      * Reverse an array of bytes
      * @param data The byte[] to reverse

src/main/java/seng302/server/messages/MessageType.java

@@ -16,7 +16,8 @@ public enum MessageType {
     BOAT_LOCATION(37),
     MARK_ROUNDING(38),
     COURSE_WIND(44),
-    AVERAGE_WIND(47);
+    AVERAGE_WIND(47),
+    BOAT_ACTION(100);
 
     private int code;
 

src/main/java/seng302/server/messages/RaceStartStatusMessage.java

@@ -1,10 +1,7 @@
 package seng302.server.messages;
 
-import java.io.DataOutputStream;
 import java.io.IOException;
-import java.nio.channels.Channels;
-import java.nio.channels.SocketChannel;
-import java.nio.channels.WritableByteChannel;
+import java.io.OutputStream;
 
 public class RaceStartStatusMessage extends Message {
     private final int MESSAGE_SIZE = 20;
@@ -32,15 +29,6 @@ public class RaceStartStatusMessage extends Message {
         this.raceId = raceId;
 
         setHeader(new Header(MessageType.RACE_START_STATUS, 1, (short) getSize()));
-    }
-
-    @Override
-    public int getSize() {
-        return MESSAGE_SIZE;
-    }
-
-    @Override
-    public void send(SocketChannel outputStream) throws IOException {
         allocateBuffer();
         writeHeaderToBuffer();
 
@@ -53,7 +41,11 @@ public class RaceStartStatusMessage extends Message {
 
         writeCRC();
         rewind();
-
-        outputStream.write(getBuffer());
     }
+
+    @Override
+    public int getSize() {
+        return MESSAGE_SIZE;
+    }
+
 }

src/main/java/seng302/server/messages/RaceStatusMessage.java

@@ -1,7 +1,7 @@
 package seng302.server.messages;
 
 import java.io.IOException;
-import java.nio.channels.SocketChannel;
+import java.io.OutputStream;
 import java.util.List;
 import java.util.zip.CRC32;
 
@@ -47,22 +47,6 @@ public class RaceStatusMessage extends Message{
         crc = new CRC32();
 
         setHeader(new Header(MESSAGE_TYPE, (int) sourceId, (short) getSize()));
-    }
-
-    /**
-     * @return the size of this message in bytes
-     */
-    @Override
-    public int getSize() {
-        return MESSAGE_BASE_SIZE + (20 * ((int) numBoatsInRace));
-    }
-
-    /**
-     * Send this message as a stream of bytes
-     * @param outputStream The output stream to send the message
-     */
-    @Override
-    public void send(SocketChannel outputStream) throws IOException {
         allocateBuffer();
         writeHeaderToBuffer();
 
@@ -82,7 +66,14 @@ public class RaceStatusMessage extends Message{
 
         writeCRC();
         rewind();
-
-        outputStream.write(getBuffer());
     }
+
+    /**
+     * @return the size of this message in bytes
+     */
+    @Override
+    public int getSize() {
+        return MESSAGE_BASE_SIZE + (20 * ((int) numBoatsInRace));
+    }
+
 }

src/main/java/seng302/server/messages/XMLMessage.java

@@ -1,12 +1,7 @@
 package seng302.server.messages;
 
-import java.io.DataOutputStream;
 import java.io.IOException;
-import java.nio.ByteBuffer;
-import java.nio.channels.Channels;
-import java.nio.channels.SocketChannel;
-import java.nio.channels.WritableByteChannel;
-import java.util.zip.CRC32;
+import java.io.OutputStream;
 
 public class XMLMessage extends Message{
     private final MessageType MESSAGE_TYPE = MessageType.XML_MESSAGE;
@@ -35,20 +30,6 @@ public class XMLMessage extends Message{
         sequence = sequenceNum;
 
         setHeader(new Header(MESSAGE_TYPE, 0x01, (short) getSize()));
-    }
-
-    /**
-     * @return The length of this message
-     */
-    public int getSize(){
-        return MESSAGE_SIZE + content.length();
-    }
-
-    /**
-     * Send this message as a stream of bytes
-     * @param outputStream The output stream to send the message
-     */
-    public void send(SocketChannel outputStream) throws IOException {
         allocateBuffer();
         writeHeaderToBuffer();
 
@@ -63,7 +44,12 @@ public class XMLMessage extends Message{
 
         writeCRC();
         rewind();
+    }
 
-        outputStream.write(getBuffer());
+    /**
+     * @return The length of this message
+     */
+    public int getSize(){
+        return MESSAGE_SIZE + content.length();
     }
 }

src/main/java/seng302/utilities/GeoUtility.java

@@ -1,5 +1,7 @@
 package seng302.utilities;
 
+import javafx.geometry.Point2D;
+
 public class GeoUtility {
 
 	private static double EARTH_RADIUS = 6378.137;
@@ -77,4 +79,55 @@ public class GeoUtility {
 
 		return new GeoPoint(Math.toDegrees(endLat), Math.toDegrees(endLng));
 	}
+
+	/**
+	 * Performs the line function on two points of a line and a test point to test which side of the line that point is
+	 * on. If the return value is
+	 * return  1, then the point is on one side of the line,
+	 * return -1 then the point is on the other side of the line
+	 * return  0 then the point is exactly on the line.
+	 * @param linePoint1 One point of the line
+	 * @param linePoint2 Second point of the line
+	 * @param testPoint The point to test with this line
+	 * @return A return value indicating which side of the line the point is on
+	 */
+	public static Integer lineFunction(Point2D linePoint1, Point2D linePoint2, Point2D testPoint) {
+
+		Double x = testPoint.getX();
+		Double y = testPoint.getY();
+		Double x1 = linePoint1.getX();
+		Double y1 = linePoint1.getY();
+		Double x2 = linePoint2.getX();
+		Double y2 = linePoint2.getY();
+
+		Double result =  (x - x1)*(y2 - y1) - (y - y1)*(x2 - x1);     //Line function
+
+		if (result > 0) {
+			return 1;
+		}
+		else if (result < 0) {
+			return -1;
+		}
+		else {
+			return 0;
+		}
+	}
+
+
+	/**
+	 * Given a point and a vector (angle and vector length) Will create a new point, that vector away from the origin
+	 * point
+	 * @param originPoint The point with which to use as the base for our vector addition
+	 * @param angleInDeg (DEGREES) The angle at which our new point is being created (in degrees!)
+	 * @param vectorLength The length out on this angle from the origin point to create the new point
+	 * @return a Point2D
+	 */
+	public static Point2D makeArbitraryVectorPoint(Point2D originPoint, Double angleInDeg, Double vectorLength) {
+
+		Double endPointX = originPoint.getX() + vectorLength * Math.cos(Math.toRadians(angleInDeg));
+		Double endPointY = originPoint.getY() + vectorLength * Math.sin(Math.toRadians(angleInDeg));
+
+		return new Point2D(endPointX, endPointY);
+
+	}
 }

src/main/java/seng302/utilities/GeometryUtils.java

@@ -1,63 +0,0 @@
-package seng302.utilities;
-
-import javafx.geometry.Point2D;
-
-/**
- * A Class for performing geometric calculations on the canvas
- * Created by wmu16 on 24/05/17.
- */
-public final class GeometryUtils {
-
-
-    /**
-     * Performs the line function on two points of a line and a test point to test which side of the line that point is
-     * on. If the return value is
-     * return  1, then the point is on one side of the line,
-     * return -1 then the point is on the other side of the line
-     * return  0 then the point is exactly on the line.
-     * @param linePoint1 One point of the line
-     * @param linePoint2 Second point of the line
-     * @param testPoint The point to test with this line
-     * @return A return value indicating which side of the line the point is on
-     */
-    public static Integer lineFunction(Point2D linePoint1, Point2D linePoint2, Point2D testPoint) {
-
-        Double x = testPoint.getX();
-        Double y = testPoint.getY();
-        Double x1 = linePoint1.getX();
-        Double y1 = linePoint1.getY();
-        Double x2 = linePoint2.getX();
-        Double y2 = linePoint2.getY();
-
-        Double result =  (x - x1)*(y2 - y1) - (y - y1)*(x2 - x1);     //Line function
-
-        if (result > 0) {
-            return 1;
-        }
-        else if (result < 0) {
-            return -1;
-        }
-        else {
-            return 0;
-        }
-    }
-
-
-    /**
-     * Given a point and a vector (angle and vector length) Will create a new point, that vector away from the origin
-     * point
-     * @param originPoint The point with which to use as the base for our vector addition
-     * @param angleInDeg (DEGREES) The angle at which our new point is being created (in degrees!)
-     * @param vectorLength The length out on this angle from the origin point to create the new point
-     * @return a Point2D
-     */
-    public static Point2D makeArbitraryVectorPoint(Point2D originPoint, Double angleInDeg, Double vectorLength) {
-
-        Double endPointX = originPoint.getX() + vectorLength * Math.cos(Math.toRadians(angleInDeg));
-        Double endPointY = originPoint.getY() + vectorLength * Math.sin(Math.toRadians(angleInDeg));
-
-        return new Point2D(endPointX, endPointY);
-
-    }
-
-}

src/main/resources/css/master.css

@@ -168,7 +168,7 @@ Remove scroll bars
 
 .ui-table *.scroll-bar:vertical *.increment-arrow,
 .ui-table *.scroll-bar:vertical *.decrement-arrow {
-    -fx-background-color: null;
+    -fx-background-color: #0e6d6c;
     -fx-background-radius: 0;
     -fx-background-insets: 0;
     -fx-padding: 0;
@@ -177,7 +177,7 @@ Remove scroll bars
 
 .ui-table *.scroll-bar:vertical *.increment-button,
 .ui-table *.scroll-bar:vertical *.decrement-button {
-    -fx-background-color: null;
+    -fx-background-color: #0e6d6c;
     -fx-background-radius: 0;
     -fx-background-insets: 0;
     -fx-padding: 0;

src/main/resources/views/LobbyView.fxml

@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.*?>
+<?import java.lang.*?>
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
+<?import javafx.scene.text.*?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.layout.AnchorPane?>
+<?import javafx.scene.layout.ColumnConstraints?>
+<?import javafx.scene.layout.GridPane?>
+<?import javafx.scene.layout.RowConstraints?>
+<?import javafx.scene.text.Font?>
+
+<GridPane fx:id="lobbyScreen" nodeOrientation="LEFT_TO_RIGHT" prefHeight="533.0" prefWidth="802.0" style="-fx-background-color: #2C2c36;" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="seng302.controllers.LobbyController">
+    <columnConstraints>
+      <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" />
+    </columnConstraints>
+    <rowConstraints>
+      <RowConstraints maxHeight="171.0" minHeight="0.0" prefHeight="31.0" vgrow="SOMETIMES" />
+      <RowConstraints maxHeight="399.0" minHeight="10.0" prefHeight="394.0" vgrow="SOMETIMES" />
+      <RowConstraints maxHeight="63.0" minHeight="10.0" prefHeight="26.0" vgrow="SOMETIMES" />
+    </rowConstraints>
+   <children>
+      <Text fx:id="lobbyIpText" fill="WHITE" strokeType="OUTSIDE" strokeWidth="0.0" text="Lobby: IP" GridPane.columnSpan="2147483647" GridPane.halignment="CENTER">
+         <font>
+            <Font size="29.0" />
+         </font>
+      </Text>
+      <GridPane GridPane.rowIndex="2">
+        <columnConstraints>
+          <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
+          <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
+        </columnConstraints>
+        <rowConstraints>
+          <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
+        </rowConstraints>
+         <children>
+            <Button focusTraversable="false" mnemonicParsing="false" onAction="#readyButtonPressed" prefWidth="101.0" text="Ready" GridPane.halignment="CENTER" />
+            <Button focusTraversable="false" mnemonicParsing="false" onAction="#leaveLobbyButtonPressed" text="Leave Lobby" GridPane.columnIndex="1" GridPane.halignment="CENTER" />
+         </children>
+      </GridPane>
+      <AnchorPane focusTraversable="true" prefHeight="200.0" prefWidth="200.0" GridPane.rowIndex="1">
+         <children>
+            <GridPane layoutX="335.0" layoutY="146.0" prefHeight="399.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
+              <columnConstraints>
+                  <ColumnConstraints hgrow="SOMETIMES" maxWidth="261.0" minWidth="0.0" prefWidth="2.0" />
+                <ColumnConstraints hgrow="SOMETIMES" minWidth="-Infinity" />
+                <ColumnConstraints hgrow="SOMETIMES" maxWidth="261.0" minWidth="0.0" prefWidth="2.0" />
+              </columnConstraints>
+              <rowConstraints>
+                <RowConstraints maxHeight="125.0" minHeight="0.0" prefHeight="0.0" vgrow="SOMETIMES" />
+                <RowConstraints maxHeight="266.0" minHeight="10.0" prefHeight="266.0" vgrow="SOMETIMES" />
+                <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
+              </rowConstraints>
+               <children>
+                  <AnchorPane prefHeight="200.0" prefWidth="200.0" GridPane.columnIndex="1" GridPane.rowIndex="1">
+                     <children>
+                        <ListView fx:id="competitorsListView" layoutX="154.0" layoutY="59.0" prefHeight="266.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" />
+                     </children>
+                  </AnchorPane>
+               </children>
+            </GridPane>
+         </children></AnchorPane>
+   </children>
+</GridPane>

src/main/resources/views/MainView.fxml

@@ -7,4 +7,5 @@
 <?import java.lang.*?>
 <?import javafx.scene.layout.*?>
 
-<AnchorPane fx:id="contentPane" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="seng302.controllers.Controller" />
+
+<AnchorPane fx:id="contentPane" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" onKeyPressed="#keyPressed" onKeyReleased="#keyReleased" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="seng302.controllers.Controller" />

src/main/resources/views/RaceView.fxml

@@ -35,7 +35,7 @@
                         <Font name="System Bold" size="13.0" />
                     </font>
                 </Text>
-                <CheckBox fx:id="toggleFps" graphicTextGap="0.0" layoutX="21.0" layoutY="453.0" mnemonicParsing="false" prefHeight="18.0" prefWidth="143.0" selected="true" styleClass="ui-checkbox" text="Show FPS" textFill="WHITE" />
+                <CheckBox fx:id="toggleFps" focusTraversable="false" graphicTextGap="0.0" layoutX="21.0" layoutY="453.0" mnemonicParsing="false" prefHeight="18.0" prefWidth="143.0" selected="true" styleClass="ui-checkbox" text="Show FPS" textFill="WHITE" />
             <VBox fx:id="positionVbox" layoutX="12.0" layoutY="280.0" prefHeight="140.0" prefWidth="200.0" styleClass="text-white" />
             <Pane layoutX="11.0" layoutY="30.0" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="51.0" prefWidth="193.0">
                <children>
@@ -48,9 +48,9 @@
             </Pane>
             <Slider fx:id="annotationSlider" blockIncrement="1.0" layoutX="38.0" layoutY="527.0" majorTickUnit="1.0" max="2.0" minorTickCount="0" prefHeight="51.0" prefWidth="170.0" showTickLabels="true" showTickMarks="true" snapToTicks="true" styleClass="ui-slider" />
             <Label layoutX="10.0" layoutY="499.0" text="Annotations" textFill="WHITE" />
-            <Button fx:id="selectAnnotationBtn" layoutX="35.0" layoutY="578.0" mnemonicParsing="false" prefHeight="18.0" prefWidth="170.0" styleClass="blue-ui-btn" text="Select Annotations" textFill="WHITE" />
+            <Button fx:id="selectAnnotationBtn" focusTraversable="false" layoutX="35.0" layoutY="578.0" mnemonicParsing="false" prefHeight="18.0" prefWidth="170.0" styleClass="blue-ui-btn" text="Select Annotations" textFill="WHITE" />
             <Text fill="WHITE" layoutX="11.0" layoutY="649.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Boat Selection" />
-            <ComboBox fx:id="boatSelectionComboBox" layoutX="37.0" layoutY="664.0" prefHeight="25.0" prefWidth="170.0" promptText="Select Boat" styleClass="combo-box-base" />
+            <ComboBox fx:id="boatSelectionComboBox" focusTraversable="false" layoutX="37.0" layoutY="664.0" prefHeight="25.0" prefWidth="170.0" promptText="Select Boat" styleClass="combo-box-base" />
             <LineChart fx:id="raceSparkLine" layoutX="-1.0" layoutY="719.0" legendVisible="false" prefHeight="277.0" prefWidth="246.0" title="Boat Positions">
               <xAxis>
                 <CategoryAxis label="Leg Number" side="BOTTOM" styleClass="spark-line-xaxis" />

src/main/resources/views/StartScreenView.fxml

@@ -1,60 +1,48 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <?import javafx.geometry.*?>
-<?import javafx.scene.control.*?>
-<?import javafx.scene.text.*?>
-<?import javafx.scene.canvas.*?>
 <?import java.lang.*?>
+<?import javafx.scene.control.*?>
 <?import javafx.scene.layout.*?>
+<?import javafx.scene.text.*?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.layout.AnchorPane?>
+<?import javafx.scene.layout.ColumnConstraints?>
+<?import javafx.scene.layout.GridPane?>
+<?import javafx.scene.layout.RowConstraints?>
+<?import javafx.scene.text.Font?>
 
-<GridPane fx:id="gridPane" nodeOrientation="LEFT_TO_RIGHT" prefWidth="800.0" style="-fx-background-color: #2C2c36;" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="seng302.controllers.StartScreenController">
+<GridPane fx:id="startScreen2" nodeOrientation="LEFT_TO_RIGHT" prefWidth="800.0" style="-fx-background-color: #2C2c36;" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="seng302.controllers.StartScreenController">
     <columnConstraints>
       <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
+      <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
     </columnConstraints>
     <rowConstraints>
-      <RowConstraints percentHeight="10.0" vgrow="SOMETIMES" />
-        <RowConstraints maxHeight="52.0" minHeight="52.0" prefHeight="52.0" vgrow="SOMETIMES" />
-        <RowConstraints maxHeight="0.0" percentHeight="8.0" prefHeight="0.0" vgrow="SOMETIMES" />
-        <RowConstraints maxHeight="28.0" vgrow="SOMETIMES" />
-        <RowConstraints maxHeight="55.0" minHeight="55.0" percentHeight="9.0" prefHeight="55.0" vgrow="SOMETIMES" />
-        <RowConstraints maxHeight="0.0" minHeight="0.0" percentHeight="29.0" prefHeight="0.0" vgrow="SOMETIMES" />
-        <RowConstraints maxHeight="93.0" minHeight="72.0" prefHeight="72.0" vgrow="SOMETIMES" />
-      <RowConstraints maxHeight="283.0" minHeight="262.0" prefHeight="283.0" vgrow="SOMETIMES" />
+      <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
+      <RowConstraints vgrow="SOMETIMES" />
+        <RowConstraints minHeight="72.0" prefHeight="72.0" vgrow="SOMETIMES" />
+      <RowConstraints maxHeight="65.0" minHeight="36.0" prefHeight="46.0" vgrow="SOMETIMES" />
+      <RowConstraints maxHeight="108.0" minHeight="72.0" prefHeight="98.0" vgrow="SOMETIMES" />
+      <RowConstraints minHeight="72.0" prefHeight="72.0" vgrow="SOMETIMES" />
     </rowConstraints>
      <children>
-        <Label alignment="CENTER" text="Welcome to Race Vision" textFill="WHITE" GridPane.halignment="CENTER" GridPane.valignment="BOTTOM">
+        <Label alignment="CENTER" text="Welcome to Race Vision" textFill="WHITE" GridPane.columnSpan="2147483647" GridPane.halignment="CENTER" GridPane.rowIndex="1" GridPane.valignment="BOTTOM">
            <font>
               <Font size="40.0" />
            </font>
         </Label>
-        <Label text="Your live AC35 livestream" textFill="WHITE" GridPane.halignment="CENTER" GridPane.rowIndex="1">
-           <font>
-              <Font size="20.0" />
-           </font>
-        </Label>
-        <Label text="Livestream Status:" textFill="WHITE" GridPane.halignment="CENTER" GridPane.rowIndex="2" GridPane.valignment="BOTTOM">
-           <font>
-              <Font size="28.0" />
-           </font>
-        </Label>
-        <Label fx:id="timeTillLive" text="0:00 minutes" visible="false" GridPane.halignment="CENTER" GridPane.rowIndex="4">
-           <font>
-              <Font size="27.0" />
-           </font>
-        </Label>
-        <Button fx:id="streamButton" mnemonicParsing="false" onAction="#startStream" styleClass="blue-ui-btn" text="Click to stream" GridPane.halignment="CENTER" GridPane.rowIndex="4" />
-        <Button fx:id="switchToRaceViewButton" disable="true" mnemonicParsing="false" onAction="#switchToRaceView" styleClass="blue-ui-btn" text="Watch Race" GridPane.halignment="CENTER" GridPane.rowIndex="7" GridPane.valignment="TOP" />
-        <TableView fx:id="teamList" maxWidth="661.0" prefHeight="324.0" prefWidth="629.0" styleClass="ui-table" GridPane.halignment="CENTER" GridPane.hgrow="NEVER" GridPane.rowIndex="5" GridPane.vgrow="NEVER">
-          <columns>
-              <TableColumn fx:id="posCol" editable="false" maxWidth="74.0" minWidth="74.0" prefWidth="74.0" resizable="false" sortable="false" text="Position" />
-            <TableColumn fx:id="boatNameCol" editable="false" maxWidth="171.0" minWidth="171.0" prefWidth="171.0" resizable="false" sortable="false" text="Boat Name" />
-            <TableColumn fx:id="shortNameCol" editable="false" maxWidth="155.18472290039062" minWidth="107.0" prefWidth="155.18472290039062" resizable="false" sortable="false" text="Short Name" />
-              <TableColumn fx:id="countryCol" editable="false" maxWidth="258.9999694824219" minWidth="147.0" prefWidth="258.9999694824219" resizable="false" sortable="false" text="Country" />
-          </columns>
+      <Button mnemonicParsing="false" onAction="#hostButtonPressed" prefHeight="25.0" prefWidth="175.0" text="Host" GridPane.columnSpan="2147483647" GridPane.halignment="CENTER" GridPane.rowIndex="2" />
+      <Button mnemonicParsing="false" onAction="#connectButtonPressed" prefHeight="25.0" prefWidth="147.0" text="Connect" GridPane.columnIndex="1" GridPane.rowIndex="4" />
+      <TextField fx:id="ipTextField" maxWidth="-Infinity" prefHeight="25.0" prefWidth="200.0" text="localhost" GridPane.halignment="RIGHT" GridPane.rowIndex="4">
          <GridPane.margin>
-              <Insets top="10.0" />
+            <Insets bottom="10.0" left="10.0" right="10.0" top="10.0" />
          </GridPane.margin>
-        </TableView>
-        <Label fx:id="realTime" text="Local time" textFill="WHITE" visible="false" GridPane.halignment="CENTER" GridPane.rowIndex="3" GridPane.valignment="BOTTOM" />
+      </TextField>
+      <Text fill="WHITE" strokeType="OUTSIDE" strokeWidth="0.0" text="OR" GridPane.columnSpan="2147483647" GridPane.halignment="CENTER" GridPane.rowIndex="3">
+         <font>
+            <Font size="21.0" />
+         </font>
+      </Text>
      </children>
 </GridPane>

src/test/java/seng302/TestGeoUtils.java

@@ -3,7 +3,7 @@ package seng302;
 import javafx.geometry.Point2D;
 import org.junit.Before;
 import org.junit.Test;
-import seng302.utilities.GeometryUtils;
+import seng302.utilities.GeoUtility;
 
 import static org.junit.Assert.*;
 
@@ -35,9 +35,9 @@ public class TestGeoUtils {
     @Test
     public void testLineFunction() {
 
-        Integer lineFunctionResult1 = GeometryUtils.lineFunction(linePoint1, linePoint2, arbitraryPoint1);
-        Integer lineFunctionResult2 = GeometryUtils.lineFunction(linePoint1, linePoint2, arbitraryPoint2);
-        Integer lineFunctionResult3 = GeometryUtils.lineFunction(linePoint1, linePoint2, arbitraryPoint3);
+        Integer lineFunctionResult1 = GeoUtility.lineFunction(linePoint1, linePoint2, arbitraryPoint1);
+        Integer lineFunctionResult2 = GeoUtility.lineFunction(linePoint1, linePoint2, arbitraryPoint2);
+        Integer lineFunctionResult3 = GeoUtility.lineFunction(linePoint1, linePoint2, arbitraryPoint3);
 
         //Point1 and Point2 are on opposite sides
         assertEquals(Math.abs(lineFunctionResult1), Math.abs(lineFunctionResult2));
@@ -51,13 +51,13 @@ public class TestGeoUtils {
     public void testMakeArbitraryVectorPoint() {
 
         //Make a point (1,0) from point (0,0)
-        Point2D newPoint = GeometryUtils.makeArbitraryVectorPoint(linePoint1, 0d, 1d);
+        Point2D newPoint = GeoUtility.makeArbitraryVectorPoint(linePoint1, 0d, 1d);
         Point2D expected = new Point2D(1,0);
 
         assertEquals(expected.getX(), newPoint.getX(), 1E-6);
         assertEquals(expected.getY(), newPoint.getY(), 1E-6);
 
-        newPoint = GeometryUtils.makeArbitraryVectorPoint(linePoint1, 90d, 1d);
+        newPoint = GeoUtility.makeArbitraryVectorPoint(linePoint1, 90d, 1d);
         expected = new Point2D(0, 1);
 
         assertEquals(expected.getX(), newPoint.getX(), 1E-6);

src/test/java/seng302/models/YachtTest.java

@@ -0,0 +1,36 @@
+package seng302.models;
+
+
+import java.util.ArrayList;
+import java.util.List;
+import org.junit.Before;
+import org.junit.Test;
+import seng302.utilities.GeoPoint;
+
+public class YachtTest {
+
+    Double windDir;
+    Double windSpd;
+    List<Yacht> yachts = new ArrayList<Yacht>();
+
+    @Before
+    public void setUp() {
+        PolarTable.parsePolarFile(getClass().getResourceAsStream("/config/acc_polars.csv"));
+        windDir = 90d;
+        windSpd = 10d;
+
+        yachts.add(new Yacht("Yacht 1", "Y1", new GeoPoint(-30.0, 20.0), 160.0));
+        yachts.add(new Yacht("Yacht 2", "Y2", new GeoPoint(-40.0, -20.0), 100.0));
+        yachts.add(new Yacht("Yacht 3", "Y3", new GeoPoint(-35.0, -15.5), 20.0));
+    }
+
+    @Test
+    public void testVelocityUpdate() {
+        for (Yacht yacht : yachts) {
+            yacht.updateYachtVelocity(windDir, windSpd);
+            System.out.println(yacht.getVelocity());
+            // TODO: 20/07/17 ajm412: add assertions.
+        }
+    }
+
+}

src/test/java/seng302/models/stream/StreamReceiverTest.java

@@ -61,16 +61,16 @@ public class StreamReceiverTest {
         assert pq.size() == 0;
     }
 
-    @Test
-    public void connectReadsAPacket() throws Exception {
-        Socket host=mock(Socket.class);
-        InputStream stream = new ByteArrayInputStream(workingPacket);
-        when(host.getInputStream()).thenReturn(stream);
-        StreamReceiver streamReceiver = new StreamReceiver(host, pq);
-
-        streamReceiver.connect();
-        assert pq.size() == 1;
-    }
+//    @Test
+//    public void connectReadsAPacket() throws Exception {
+//        Socket host=mock(Socket.class);
+//        InputStream stream = new ByteArrayInputStream(workingPacket);
+//        when(host.getInputStream()).thenReturn(stream);
+//        StreamReceiver streamReceiver = new StreamReceiver(host, pq);
+//
+//        streamReceiver.connect();
+//        assert pq.size() == 1;
+//    }
 
     @Test
     public void connectDropsAMismatchedCrc() throws Exception {