Fixed alignment on room code label, and room code input

Tags: #story[1281]

.gitignore

@@ -7,7 +7,6 @@
 .mtj.tmp/
 
 # Package Files #
-*.jar
 *.war
 *.ear
 
@@ -180,3 +179,7 @@ local.properties
 .recommenders/
 
 Makefile
+
+infer-out/
+infer.txt
+log.log

.mailmap

@@ -23,5 +23,5 @@ Haoming Yin <hyi25@uclive.ac.nz> <haoming.y@icloud.com>
 Peter Galloway <ptg19@uclive.ac.nz> Peter <ptg19@uclive.ac.nz>
 Zhi You Tan <zyt10@uclive.ac.nz> zyt10 <zyt10@uclive.ac.nz>
 Zhi You Tan <zyt10@uclive.ac.nz> Ryan Tan <ryan_zhiyou@hotmail.com>
-Alistair McIntyre <ajm412@uclive.ac.nz> alistairjmcintyre <alistairjmcintyre@gmail.com>
+Alistair McIntyre <ajm412@uclive.ac.nz> <alistairjmcintyre@gmail.com>
 Calum <cir27@uclive.ac.nz> cir27 <cir27@uclive.ac.nz>

doc/design_decisions.md

@@ -9,7 +9,7 @@ prints out event details, including time, involved boats and legs.
 
 - Configuration file
 
-We decided to store the team information including team names and boat velocity, as well as race configuration setting in external file.
+We decided to store the team information including team names and boat currentVelocity, as well as race configuration setting in external file.
 
 To read external files, "Json-simple" library has been used to parse information. 
 By using this library, we did not have to write our json parser and benefited from the flexibility of json files.

doc/user_manual.md

@@ -8,7 +8,7 @@ You can specify a config file using the using the -f flag, for example 'java -ja
 
 ## The config file
 
-The teams/boats are specified in the config file under 'teams', each team requires a team name, and a velocity (in meters per second).
+The teams/boats are specified in the config file under 'teams', each team requires a team name, and a currentVelocity (in meters per second).
 
 The 'time-scale' option lets you change how long the race takes to complete. A time-scale of 1.0 is normal speed, 2.0 is 2x etc.
 

lib/com/interactivemesh/jimColModelImporter/0.7/jimColModelImporter-0.7.jar.md5

@@ -0,0 +1 @@
+bc00cae65d030845973151123fd0f2b1

lib/com/interactivemesh/jimColModelImporter/0.7/jimColModelImporter-0.7.jar.sha1

@@ -0,0 +1 @@
+de6c72cb03b2216bbe03ac7b882f0c146fb76bc8

lib/com/interactivemesh/jimColModelImporter/0.7/jimColModelImporter-0.7.pom

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>lib.com.interactivemesh</groupId>
+  <artifactId>jimColModelImporter</artifactId>
+  <version>0.7</version>
+</project>

lib/com/interactivemesh/jimColModelImporter/0.7/jimColModelImporter-0.7.pom.md5

@@ -0,0 +1 @@
+8fc884a64856917671745720acc6048c

lib/com/interactivemesh/jimColModelImporter/0.7/jimColModelImporter-0.7.pom.sha1

@@ -0,0 +1 @@
+4b35131587917ed1a16acb1eff8cd7a213a26edc

lib/com/interactivemesh/jimColModelImporter/maven-metadata.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<metadata>
+  <groupId>lib.com.interactivemesh</groupId>
+  <artifactId>jimColModelImporter</artifactId>
+  <versioning>
+    <release>0.7</release>
+    <versions>
+      <version>0.7</version>
+    </versions>
+    <lastUpdated>20170912024010</lastUpdated>
+  </versioning>
+</metadata>

lib/com/interactivemesh/jimColModelImporter/maven-metadata.xml.md5

@@ -0,0 +1 @@
+3132c3f88de1a942ac37930b8cdaa764

lib/com/interactivemesh/jimColModelImporter/maven-metadata.xml.sha1

@@ -0,0 +1 @@
+20847be06b0d11b70f1fbfb1527c5efee4e9f49e

lib/com/interactivemesh/jimStlMeshImporter/0.7/jimStlMeshImporter-0.7.jar.md5

@@ -0,0 +1 @@
+deec04fc74e1115465598d342810df18

lib/com/interactivemesh/jimStlMeshImporter/0.7/jimStlMeshImporter-0.7.jar.sha1

@@ -0,0 +1 @@
+ea31eabe6384ae965cd8180920f7ba0248717313

lib/com/interactivemesh/jimStlMeshImporter/0.7/jimStlMeshImporter-0.7.pom

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>lib.com.interactivemesh</groupId>
+  <artifactId>jimStlMeshImporter</artifactId>
+  <version>0.7</version>
+</project>

lib/com/interactivemesh/jimStlMeshImporter/0.7/jimStlMeshImporter-0.7.pom.md5

@@ -0,0 +1 @@
+82a485ac9a76d6587b1b23b7fbd8f5a0

lib/com/interactivemesh/jimStlMeshImporter/0.7/jimStlMeshImporter-0.7.pom.sha1

@@ -0,0 +1 @@
+2bac29a6598a88b2f115b72433181c13fc6201d2

lib/com/interactivemesh/jimStlMeshImporter/maven-metadata.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<metadata>
+  <groupId>lib.com.interactivemesh</groupId>
+  <artifactId>jimStlMeshImporter</artifactId>
+  <versioning>
+    <release>0.7</release>
+    <versions>
+      <version>0.7</version>
+    </versions>
+    <lastUpdated>20170912024122</lastUpdated>
+  </versioning>
+</metadata>

lib/com/interactivemesh/jimStlMeshImporter/maven-metadata.xml.md5

@@ -0,0 +1 @@
+cad88c5c501f771bc8d1fc085decb3c4

lib/com/interactivemesh/jimStlMeshImporter/maven-metadata.xml.sha1

@@ -0,0 +1 @@
+c6cd4fae002dbbe4246c8eac4b35de07d921fd51

pom.xml

@@ -11,6 +11,7 @@
     <properties>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
     <dependencies>
@@ -36,6 +37,78 @@
             <version>2.7.13</version>
             <scope>test</scope>
         </dependency>
+
+        <!-- https://mvnrepository.com/artifact/org.freemarker/freemarker -->
+        <dependency>
+            <groupId>info.cukes</groupId>
+            <artifactId>cucumber-junit</artifactId>
+            <version>1.2.5</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/info.cukes/cucumber-java -->
+        <dependency>
+            <groupId>info.cukes</groupId>
+            <artifactId>cucumber-java</artifactId>
+            <version>1.2.5</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/org.freemarker/freemarker -->
+        <dependency>
+            <groupId>org.freemarker</groupId>
+            <artifactId>freemarker</artifactId>
+            <version>2.3.26-incubating</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-slf4j-impl -->
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>1.1.7</version>
+        </dependency>
+
+        <dependency>
+            <groupId>commons-cli</groupId>
+            <artifactId>commons-cli</artifactId>
+            <version>1.4</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/org.lwjgl/lwjgl -->
+        <dependency>
+            <groupId>org.lwjgl</groupId>
+            <artifactId>lwjgl</artifactId>
+            <version>3.1.2</version>
+        </dependency>
+
+        <dependency>
+            <groupId>de.javagl</groupId>
+            <artifactId>obj</artifactId>
+            <version>0.2.1</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.interactivemesh</groupId>
+            <artifactId>jimStlMeshImporter</artifactId>
+            <version>0.7</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.interactivemesh</groupId>
+            <artifactId>jimColModelImporter</artifactId>
+            <version>0.7</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.jfoenix</groupId>
+            <artifactId>jfoenix</artifactId>
+            <version>1.8.0</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/javax.jmdns/jmdns -->
+        <dependency>
+            <groupId>javax.jmdns</groupId>
+            <artifactId>jmdns</artifactId>
+            <version>3.4.2</version>
+        </dependency>
+
     </dependencies>
 
     <build>
@@ -118,4 +191,18 @@
             </plugin>
         </plugins>
     </reporting>
+
+    <repositories>
+        <repository>
+            <id>lib</id>
+            <name>third party libraries</name>
+            <url>file://${basedir}/lib</url>
+        </repository>
+
+        <repository>
+            <id>Homer-Core</id>
+            <name>Homer-core-repo</name>
+            <url>https://nexus.arcsmed.at/content/repositories/homer.core</url>
+        </repository>
+    </repositories>
 </project>

src/main/java/seng302/App.java

@@ -1,79 +1,99 @@
 package seng302;
 
+import ch.qos.logback.classic.Level;
 import javafx.application.Application;
-import javafx.fxml.FXMLLoader;
-import javafx.scene.Parent;
-import javafx.scene.Scene;
 import javafx.stage.Stage;
-import seng302.models.PolarTable;
+import org.apache.commons.cli.CommandLine;
-import seng302.models.stream.StreamParser;
+import org.apache.commons.cli.CommandLineParser;
-import seng302.models.stream.StreamReceiver;
+import org.apache.commons.cli.DefaultParser;
-import seng302.server.ServerThread;
+import org.apache.commons.cli.Options;
+import org.apache.commons.cli.ParseException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import seng302.discoveryServer.DiscoveryServer;
+import seng302.visualiser.controllers.ViewManager;
 
 public class App extends Application {
 
-    @Override
+    private static Logger logger = LoggerFactory.getLogger(App.class);
-    public void start(Stage primaryStage) throws Exception {
+    private static boolean isRunningAsCache = false;
-        PolarTable.parsePolarFile(getClass().getResource("/config/acc_polars.csv").getFile());
 
-        Parent root = FXMLLoader.load(getClass().getResource("/views/MainView.fxml"));
+    public static void parseArgs(String[] args) throws ParseException {
-        primaryStage.setTitle("RaceVision");
+        Options options = new Options();
-        primaryStage.setScene(new Scene(root, 1530, 960));
+        CommandLineParser parser = new DefaultParser();
-        primaryStage.setMaxWidth(1530);
+        CommandLine cmd;
-        primaryStage.setMaxHeight(960);
-//        primaryStage.setMaximized(true);
 
-        primaryStage.show();
+        ch.qos.logback.classic.Logger rootLogger = (ch.qos.logback.classic.Logger) LoggerFactory
-        primaryStage.setOnCloseRequest(e -> {
+            .getLogger(Logger.ROOT_LOGGER_NAME);
-            StreamParser.appClose();
-            StreamReceiver.noMoreBytes();
-            System.exit(0);
-        });
-    }
 
-    public static void main(String[] args) {
+        options.addOption("debugLevel", true, "Set the application debug level");
-        StreamReceiver sr = null;
+        options.addOption("runAsDiscoveryServer", false, "Run as a discovery server");
+        options.addOption("discoveryDevMode", false, "Use a local discovery server");
 
-        new ServerThread("Racevision Test Server");
+        cmd = parser.parse(options, args);
 
-        try {
+        if (cmd.hasOption("runAsDiscoveryServer")){
-            Thread.sleep(2000);
+            isRunningAsCache = true;
-        } catch (InterruptedException e) {
+            rootLogger.setLevel(Level.ALL);
-            e.printStackTrace();
-        }
-
-        if (args.length == 1 && args[0].equals("-standalone")) {
             return;
         }
 
-        if (args.length == 3 && args[0].equals("-server")) {
+        if (cmd.hasOption("discoveryDevMode")) {
-
+            DiscoveryServer.DISCOVERY_SERVER = "localhost";
-            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();
+        if (cmd.hasOption("debugLevel")) {
-        StreamParser streamParser = new StreamParser("StreamParser");
-        streamParser.start();
 
+        switch (cmd.getOptionValue("debugLevel")) {
+            case "DEBUG":
+                rootLogger.setLevel(Level.DEBUG);
+                break;
+
+            case "ALL":
+                rootLogger.setLevel(Level.ALL);
+                break;
+
+            case "WARNING":
+                rootLogger.setLevel(Level.WARN);
+                break;
+
+            case "ERROR":
+                rootLogger.setLevel(Level.ERROR);
+                break;
+
+            case "INFO":
+                rootLogger.setLevel(Level.INFO);
+
+            case "TRACE":
+                rootLogger.setLevel(Level.TRACE);
+
+            default:
+                rootLogger.setLevel(Level.ALL);
+        }
+    } else {
+        rootLogger.setLevel(Level.WARN);
+    }
+    }
+
+    @Override
+    public void start(Stage primaryStage) throws Exception {
+        ViewManager.getInstance().initialStartView(primaryStage);
+    }
+
+
+    public static void main(String[] args) throws Exception {
+        try {
+            parseArgs(args);
+        } catch (ParseException e) {
+            logger.error("Could not parse command line arguments");
+        }
+
+        if (!isRunningAsCache){
             launch(args);
-
+        }
+        else{
+            new DiscoveryServer();
+        }
     }
 }
 

src/main/java/seng302/GeometryUtils.java

@@ -1,63 +0,0 @@
-package seng302;
-
-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/java/seng302/controllers/CanvasController.java

@@ -1,528 +0,0 @@
-package seng302.controllers;
-
-import javafx.animation.AnimationTimer;
-import javafx.beans.property.SimpleDoubleProperty;
-import javafx.fxml.FXML;
-import javafx.geometry.Point2D;
-import javafx.scene.Group;
-import javafx.scene.canvas.Canvas;
-import javafx.scene.canvas.GraphicsContext;
-import javafx.scene.image.ImageView;
-import javafx.scene.layout.AnchorPane;
-import javafx.scene.paint.Color;
-import javafx.scene.shape.Polygon;
-import javafx.scene.text.Text;
-import seng302.fxObjects.BoatAnnotations;
-import seng302.fxObjects.BoatGroup;
-import seng302.fxObjects.Wake;
-import seng302.models.Colors;
-import seng302.models.Yacht;
-import seng302.models.mark.GateMark;
-import seng302.models.mark.Mark;
-import seng302.fxObjects.MarkGroup;
-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;
-import seng302.models.stream.packets.BoatPositionPacket;
-import seng302.server.simulator.GeoUtility;
-import seng302.server.simulator.mark.Position;
-
-import java.util.ArrayList;
-import java.util.Comparator;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.PriorityBlockingQueue;
-
-/**
- * Created by ptg19 on 15/03/17.
- * Modified by Haoming Yin (hyi25) on 20/3/2017.
- */
-public class CanvasController {
-
-    @FXML
-    private AnchorPane canvasPane;
-
-    private RaceViewController raceViewController;
-    private ResizableCanvas canvas;
-    private Group group;
-    private GraphicsContext gc;
-    private ImageView mapImage;
-
-    private final int BUFFER_SIZE   = 50;
-    private final int PANEL_WIDTH   = 1260; // it should be 1280 but, minors 40 to cancel the bias.
-    private final int PANEL_HEIGHT  = 960;
-    private final int CANVAS_WIDTH  = 720;
-    private final int CANVAS_HEIGHT = 720;
-    private boolean horizontalInversion = false;
-
-    private double distanceScaleFactor;
-    private ScaleDirection scaleDirection;
-    private Mark minLatPoint;
-    private Mark minLonPoint;
-    private Mark maxLatPoint;
-    private Mark maxLonPoint;
-    private double referencePointX;
-    private double referencePointY;
-    private double metersPerPixelX;
-    private double metersPerPixelY;
-
-    private List<MarkGroup> markGroups = new ArrayList<>();
-    private List<BoatGroup> boatGroups = new ArrayList<>();
-    private Text FPSdisplay = new Text();
-    private Polygon raceBorder = new Polygon();
-
-    //FRAME RATE
-    private Double frameRate = 60.0;
-    private final long[] frameTimes = new long[30];
-    private int frameTimeIndex = 0;
-    private boolean arrayFilled = false;
-
-    public AnimationTimer timer;
-
-    private enum ScaleDirection {
-        HORIZONTAL,
-        VERTICAL
-    }
-
-    public void setup(RaceViewController raceViewController){
-        this.raceViewController = raceViewController;
-    }
-
-    public void initialize() {
-        raceViewController = new RaceViewController();
-        canvas = new ResizableCanvas();
-        group = new Group();
-
-        // create image view for map, bind panel size to image
-        mapImage = new ImageView();
-        canvasPane.getChildren().add(mapImage);
-        mapImage.fitWidthProperty().bind(canvasPane.widthProperty());
-        mapImage.fitHeightProperty().bind(canvasPane.heightProperty());
-
-        canvasPane.getChildren().add(canvas);
-        canvasPane.getChildren().add(group);
-        // Bind canvas size to stack pane size.
-        canvas.widthProperty().bind(new SimpleDoubleProperty(CANVAS_WIDTH));
-        canvas.heightProperty().bind(new SimpleDoubleProperty(CANVAS_HEIGHT));
-    }
-
-    public void initializeCanvas (){
-
-        gc = canvas.getGraphicsContext2D();
-        gc.setGlobalAlpha(0.5);
-        fitMarksToCanvas();
-        drawGoogleMap();
-        FPSdisplay.setLayoutX(5);
-        FPSdisplay.setLayoutY(20);
-        FPSdisplay.setStrokeWidth(2);
-        group.getChildren().add(FPSdisplay);
-        group.getChildren().add(raceBorder);
-        initializeMarks();
-        initializeBoats();
-
-        timer = new AnimationTimer() {
-            private long lastTime = 0;
-            private int FPSCount = 30;
-
-            @Override
-            public void handle(long now) {
-                    if (lastTime == 0) {
-                        lastTime = now;
-                    } else {
-                        if (now - lastTime >= (1e8 / 60)) { //Fix for framerate going above 60 when minimized
-                            long oldFrameTime = frameTimes[frameTimeIndex];
-                            frameTimes[frameTimeIndex] = now;
-                            frameTimeIndex = (frameTimeIndex + 1) % frameTimes.length;
-                            if (frameTimeIndex == 0) {
-                                arrayFilled = true;
-                            }
-                            long elapsedNanos;
-                            if (arrayFilled) {
-                                elapsedNanos = now - oldFrameTime;
-                                long elapsedNanosPerFrame = elapsedNanos / frameTimes.length;
-                                frameRate = 1_000_000_000.0 / elapsedNanosPerFrame;
-                                if (FPSCount-- == 0) {
-                                    FPSCount = 30;
-                                    drawFps(frameRate.intValue());
-                                }
-                                raceViewController.updateSparkLine();
-                            }
-                            updateGroups();
-                            if (StreamParser.isRaceFinished()) {
-                                this.stop();
-                            }
-                            lastTime = now;
-                        }
-                    }
-                if (StreamParser.isRaceFinished()) {
-                    this.stop();
-                }
-            }
-        };
-    }
-
-    /**
-     * First find the top right and bottom left points' geo locations, then retrieve
-     * map from google to display on image view.  - Haoming 22/5/2017
-     */
-    private void drawGoogleMap() {
-        findMetersPerPixel();
-        Point2D topLeftPoint = findScaledXY(maxLatPoint.getLatitude(), minLonPoint.getLongitude());
-        // distance from top left extreme to panel origin (top left corner)
-        double distanceFromTopLeftToOrigin = Math.sqrt(Math.pow(topLeftPoint.getX() * metersPerPixelX, 2) + Math.pow(topLeftPoint.getY() * metersPerPixelY, 2));
-        // angle from top left extreme to panel origin
-        double bearingFromTopLeftToOrigin = Math.toDegrees(Math.atan2(-topLeftPoint.getX(), topLeftPoint.getY()));
-        // the top left extreme
-        Position topLeftPos = new Position(maxLatPoint.getLatitude(), minLonPoint.getLongitude());
-        Position originPos = GeoUtility.getGeoCoordinate(topLeftPos, bearingFromTopLeftToOrigin, distanceFromTopLeftToOrigin);
-
-        // distance from origin corner to bottom right corner of the panel
-        double distanceFromOriginToBottomRight = Math.sqrt(Math.pow(PANEL_HEIGHT* metersPerPixelY, 2) + Math.pow(PANEL_WIDTH * metersPerPixelX, 2));
-        double bearingFromOriginToBottomRight = Math.toDegrees(Math.atan2(PANEL_WIDTH, -PANEL_HEIGHT));
-        Position bottomRightPos = GeoUtility.getGeoCoordinate(originPos, bearingFromOriginToBottomRight, distanceFromOriginToBottomRight);
-
-        Boundary boundary = new Boundary(originPos.getLat(), bottomRightPos.getLng(), bottomRightPos.getLat(), originPos.getLng());
-        CanvasMap canvasMap = new CanvasMap(boundary);
-        mapImage.setImage(canvasMap.getMapImage());
-    }
-
-    /**
-     * Adds border marks to the canvas, taken from the XML file
-     *
-     * NOTE: This is quite confusing as objects are grabbed from the XMLParser such as Mark and CompoundMark which are
-     * named the same as those in the model package but are, however not the same, so they do not have things such as
-     * a type and must be derived from the number of marks in a compound mark etc..
-     */
-    private void addRaceBorder() {
-        XMLParser.RaceXMLObject raceXMLObject = StreamParser.getXmlObject().getRaceXML();
-        ArrayList<Limit> courseLimits = raceXMLObject.getCourseLimit();
-        raceBorder.setStroke(new Color(0.0f, 0.0f, 0.74509807f, 1));
-        raceBorder.setStrokeWidth(3);
-        raceBorder.setFill(new Color(0,0,0,0));
-        List<Double> boundaryPoints = new ArrayList<>();
-        for (Limit limit : courseLimits) {
-            Point2D location = findScaledXY(limit.getLat(), limit.getLng());
-            boundaryPoints.add(location.getX());
-            boundaryPoints.add(location.getY());
-        }
-        raceBorder.getPoints().setAll(boundaryPoints);
-    }
-
-    private void updateGroups(){
-        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 (boatGroup.isStopped()) {
-                    updateBoatGroup(boatGroup);
-                }
-            }
-            boatGroup.move();
-        }
-        for (MarkGroup markGroup : markGroups) {
-            for (Long id : markGroup.getRaceIds()) {
-                if (StreamParser.markLocations.containsKey(id)) {
-                    updateMarkGroup(id, markGroup);
-                }
-            }
-        }
-        checkForCourseChanges();
-    }
-
-    private void checkForCourseChanges() {
-        if (StreamParser.isNewRaceXmlReceived()){
-            addRaceBorder();
-        }
-    }
-
-    private void updateBoatGroup(BoatGroup boatGroup) {
-        PriorityBlockingQueue<BoatPositionPacket> movementQueue = StreamParser.boatLocations.get(boatGroup.getRaceId());
-        // giving the movementQueue a 5 packet buffer to account for slightly out of order packets
-        if (movementQueue.size() > 0){
-            try {
-                BoatPositionPacket positionPacket = movementQueue.take();
-                Point2D p2d = findScaledXY(positionPacket.getLat(), positionPacket.getLon());
-                double heading = 360.0 / 0xffff * positionPacket.getHeading();
-                boatGroup.setDestination(
-                    p2d.getX(), p2d.getY(), heading, positionPacket.getGroundSpeed(),
-                    positionPacket.getTimeValid(), frameRate);
-            } catch (InterruptedException e){
-                e.printStackTrace();
-            }
-//            }
-        }
-    }
-
-    void updateMarkGroup (long raceId, MarkGroup markGroup) {
-        PriorityBlockingQueue<BoatPositionPacket> movementQueue = StreamParser.markLocations.get(raceId);
-        if (movementQueue.size() > 0){
-            try {
-                BoatPositionPacket positionPacket = movementQueue.take();
-                Point2D p2d = findScaledXY(positionPacket.getLat(), positionPacket.getLon());
-                markGroup.moveMarkTo(p2d.getX(), p2d.getY(), raceId);
-            } catch (InterruptedException e){
-                e.printStackTrace();
-            }
-        }
-    }
-
-    /**
-     * Draws all the boats.
-     */
-    private void initializeBoats() {
-        Map<Integer, Yacht> boats = StreamParser.getBoats();
-        Group wakes = new Group();
-        Group trails = new Group();
-        Group annotations = new Group();
-
-        ArrayList<Participant> participants = StreamParser.getXmlObject().getRaceXML().getParticipants();
-        ArrayList<Integer> participantIDs = new ArrayList<>();
-        for (Participant p : participants) {
-            participantIDs.add(p.getsourceID());
-        }
-
-        for (Yacht boat : boats.values()) {
-            if (participantIDs.contains(boat.getSourceID())) {
-                boat.setColour(Colors.getColor());
-                BoatGroup boatGroup = new BoatGroup(boat, boat.getColour());
-                boatGroups.add(boatGroup);
-                trails.getChildren().add(boatGroup.getTrail());
-                wakes.getChildren().add(boatGroup.getWake());
-                annotations.getChildren().add(boatGroup.getAnnotations());
-            }
-        }
-        group.getChildren().addAll(trails);
-        group.getChildren().addAll(wakes);
-        group.getChildren().addAll(annotations);
-        group.getChildren().addAll(boatGroups);
-    }
-
-    private void initializeMarks() {
-        List<Mark> allMarks = StreamParser.getXmlObject().getRaceXML().getNonDupCompoundMarks();
-        for (Mark mark : allMarks) {
-            if (mark.getMarkType() == MarkType.SINGLE_MARK) {
-                SingleMark sMark = (SingleMark) mark;
-
-                MarkGroup markGroup = new MarkGroup(sMark, findScaledXY(sMark));
-                markGroups.add(markGroup);
-            } else {
-                GateMark gMark = (GateMark) mark;
-
-                MarkGroup markGroup = new MarkGroup(gMark, findScaledXY(gMark.getSingleMark1()), findScaledXY(gMark.getSingleMark2())); //should be 2 objects in the list.
-                markGroups.add(markGroup);
-            }
-        }
-        group.getChildren().addAll(markGroups);
-    }
-
-    class ResizableCanvas extends Canvas {
-
-        ResizableCanvas() {
-            // Redraw canvas when size changes.
-            widthProperty().addListener(evt -> draw());
-            heightProperty().addListener(evt -> draw());
-        }
-
-        private void draw() {
-            double width = getWidth();
-            double height = getHeight();
-
-            GraphicsContext gc = getGraphicsContext2D();
-            gc.clearRect(0, 0, width, height);
-        }
-
-        @Override
-        public boolean isResizable() {
-            return true;
-        }
-
-        @Override
-        public double prefWidth(double height) {
-            return getWidth();
-        }
-        @Override
-        public double prefHeight(double width) {
-            return getHeight();
-        }
-
-    }
-
-    private void drawFps(int fps){
-        if (raceViewController.isDisplayFps()){
-            FPSdisplay.setVisible(true);
-            FPSdisplay.setText(String.format("%d FPS", fps));
-        } else {
-            FPSdisplay.setVisible(false);
-        }
-    }
-
-    /**
-     * Calculates x and y location for every marker that fits it to the canvas the race will be drawn on.
-     */
-    private void fitMarksToCanvas() {
-        //Check is called once to avoid unnecessarily change the course limits once the race is running
-        StreamParser.isNewRaceXmlReceived();
-        findMinMaxPoint();
-        double minLonToMaxLon = scaleRaceExtremities();
-        calculateReferencePointLocation(minLonToMaxLon);
-        //givePointsXY();
-        addRaceBorder();
-    }
-
-
-    /**
-     * Sets the class variables minLatPoint, maxLatPoint, minLonPoint, maxLonPoint to the marker with the leftmost
-     * marker, rightmost marker, southern most marker and northern most marker respectively.
-     */
-    private void findMinMaxPoint() {
-        List<Limit> sortedPoints = new ArrayList<>();
-        for (Limit limit : StreamParser.getXmlObject().getRaceXML().getCourseLimit()) {
-            sortedPoints.add(limit);
-        }
-        sortedPoints.sort(Comparator.comparingDouble(Limit::getLat));
-        Limit minLatMark = sortedPoints.get(0);
-        Limit maxLatMark = sortedPoints.get(sortedPoints.size()-1);
-        minLatPoint = new SingleMark(minLatMark.toString(), minLatMark.getLat(), minLatMark.getLng(), minLatMark.getSeqID(), minLatMark.getSeqID());
-        maxLatPoint = new SingleMark(maxLatMark.toString(), maxLatMark.getLat(), maxLatMark.getLng(), maxLatMark.getSeqID(), minLatMark.getSeqID());
-
-        sortedPoints.sort(Comparator.comparingDouble(Limit::getLng));
-        //If the course is on a point on the earth where longitudes wrap around.
-        Limit minLonMark = sortedPoints.get(0);
-        Limit maxLonMark = sortedPoints.get(sortedPoints.size()-1);
-        minLonPoint = new SingleMark(minLonMark.toString(), minLonMark.getLat(), minLonMark.getLng(), minLonMark.getSeqID(), minLonMark.getSeqID());
-        maxLonPoint = new SingleMark(maxLonMark.toString(), maxLonMark.getLat(), maxLonMark.getLng(), maxLonMark.getSeqID(), minLonMark.getSeqID());
-        if (maxLonPoint.getLongitude() - minLonPoint.getLongitude() > 180) {
-            horizontalInversion = true;
-        }
-    }
-
-    /**
-     * Calculates the location of a reference point, this is always the point with minimum latitude, in relation to the
-     * canvas.
-     *
-     * @param minLonToMaxLon The horizontal distance between the point of minimum longitude to maximum longitude.
-     */
-    private void calculateReferencePointLocation (double minLonToMaxLon) {
-        Mark referencePoint = minLatPoint;
-        double referenceAngle;
-
-        if (scaleDirection == ScaleDirection.HORIZONTAL) {
-            referenceAngle = Math.abs(Mark.calculateHeadingRad(referencePoint, minLonPoint));
-            referencePointX = BUFFER_SIZE + distanceScaleFactor * Math.sin(referenceAngle) * Mark.calculateDistance(referencePoint, minLonPoint);
-
-            referenceAngle = Math.abs(Mark.calculateHeadingRad(referencePoint, maxLatPoint));
-            referencePointY  = CANVAS_HEIGHT - (BUFFER_SIZE + BUFFER_SIZE);
-            referencePointY -= distanceScaleFactor * Math.cos(referenceAngle) * Mark.calculateDistance(referencePoint, maxLatPoint);
-            referencePointY  = referencePointY / 2;
-            referencePointY += BUFFER_SIZE;
-            referencePointY += distanceScaleFactor * Math.cos(referenceAngle) * Mark.calculateDistance(referencePoint, maxLatPoint);
-        } else {
-            referencePointY = CANVAS_HEIGHT - BUFFER_SIZE;
-
-            referenceAngle = Math.abs(Mark.calculateHeadingRad(referencePoint, minLonPoint));
-            referencePointX  = BUFFER_SIZE;
-            referencePointX += distanceScaleFactor * Math.sin(referenceAngle) * Mark.calculateDistance(referencePoint, minLonPoint);
-            referencePointX += ((CANVAS_WIDTH - (BUFFER_SIZE + BUFFER_SIZE)) - (minLonToMaxLon * distanceScaleFactor)) / 2;
-        }
-        if(horizontalInversion) {
-            referencePointX = CANVAS_WIDTH - BUFFER_SIZE - (referencePointX - BUFFER_SIZE);
-        }
-    }
-
-
-    /**
-     * Finds the scale factor necessary to fit all race markers within the onscreen map and assigns it to distanceScaleFactor
-     * Returns the max horizontal distance of the map.
-     */
-    private double scaleRaceExtremities () {
-
-        double vertAngle = Math.abs(Mark.calculateHeadingRad(minLatPoint, maxLatPoint));
-        double vertDistance = Math.cos(vertAngle) * Mark.calculateDistance(minLatPoint, maxLatPoint);
-        double horiAngle = Mark.calculateHeadingRad(minLonPoint, maxLonPoint);
-
-        if (horiAngle <= (Math.PI / 2))
-            horiAngle = (Math.PI / 2) - horiAngle;
-        else
-            horiAngle = horiAngle - (Math.PI / 2);
-        double horiDistance = Math.cos(horiAngle) * Mark.calculateDistance(minLonPoint, maxLonPoint);
-
-        double vertScale = (CANVAS_HEIGHT - (BUFFER_SIZE + BUFFER_SIZE)) / vertDistance;
-
-        if ((horiDistance * vertScale) > (CANVAS_WIDTH - (BUFFER_SIZE + BUFFER_SIZE))) {
-            distanceScaleFactor = (CANVAS_WIDTH - (BUFFER_SIZE + BUFFER_SIZE)) / horiDistance;
-            scaleDirection = ScaleDirection.HORIZONTAL;
-        } else {
-            distanceScaleFactor = vertScale;
-            scaleDirection = ScaleDirection.VERTICAL;
-        }
-        return horiDistance;
-    }
-
-    private Point2D findScaledXY (Mark unscaled) {
-        return findScaledXY (unscaled.getLatitude(), unscaled.getLongitude());
-    }
-
-    public Point2D findScaledXY (double unscaledLat, double unscaledLon) {
-        double distanceFromReference;
-        double angleFromReference;
-        int xAxisLocation = (int) referencePointX;
-        int yAxisLocation = (int) referencePointY;
-
-        angleFromReference = Mark.calculateHeadingRad(minLatPoint.getLatitude(), minLatPoint.getLongitude(), unscaledLat, unscaledLon);
-        distanceFromReference = Mark.calculateDistance(minLatPoint.getLatitude(), minLatPoint.getLongitude(), unscaledLat, unscaledLon);
-        if (angleFromReference >= 0 && angleFromReference <= Math.PI / 2) {
-            xAxisLocation += (int) Math.round(distanceScaleFactor * Math.sin(angleFromReference) * distanceFromReference);
-            yAxisLocation -= (int) Math.round(distanceScaleFactor * Math.cos(angleFromReference) * distanceFromReference);
-        } else if (angleFromReference >= 0) {
-            angleFromReference = angleFromReference - Math.PI / 2;
-            xAxisLocation += (int) Math.round(distanceScaleFactor * Math.cos(angleFromReference) * distanceFromReference);
-            yAxisLocation += (int) Math.round(distanceScaleFactor * Math.sin(angleFromReference) * distanceFromReference);
-        } else if (angleFromReference < 0 && angleFromReference >= -Math.PI / 2) {
-            angleFromReference = Math.abs(angleFromReference);
-            xAxisLocation -= (int) Math.round(distanceScaleFactor * Math.sin(angleFromReference) * distanceFromReference);
-            yAxisLocation -= (int) Math.round(distanceScaleFactor * Math.cos(angleFromReference) * distanceFromReference);
-        } else {
-            angleFromReference = Math.abs(angleFromReference) - Math.PI / 2;
-            xAxisLocation -= (int) Math.round(distanceScaleFactor * Math.cos(angleFromReference) * distanceFromReference);
-            yAxisLocation += (int) Math.round(distanceScaleFactor * Math.sin(angleFromReference) * distanceFromReference);
-        }
-        if(horizontalInversion) {
-            xAxisLocation = CANVAS_WIDTH - BUFFER_SIZE - (xAxisLocation - BUFFER_SIZE);
-        }
-        return new Point2D(xAxisLocation, yAxisLocation);
-    }
-
-    /**
-     * Find the number of meters per pixel.
-     */
-    private void findMetersPerPixel () {
-        Point2D p1, p2;
-        Mark m1, m2;
-        double theta, distance, dx, dy, dHorizontal, dVertical;
-        m1 = new SingleMark("m1", maxLatPoint.getLatitude(), minLonPoint.getLongitude(), 1, 0);
-        m2 = new SingleMark("m2", minLatPoint.getLatitude(), maxLonPoint.getLongitude(), 2, 0);
-        p1 = findScaledXY(m1);
-        p2 = findScaledXY(m2);
-        theta = Mark.calculateHeadingRad(m1, m2);
-        distance = Mark.calculateDistance(m1, m2);
-        dHorizontal = Math.abs(Math.sin(theta) * distance);
-        dVertical = Math.abs(Math.cos(theta) * distance);
-        dx = Math.abs(p1.getX() - p2.getX());
-        dy = Math.abs(p1.getY() - p2.getY());
-        metersPerPixelX = dHorizontal / dx;
-        metersPerPixelY = dVertical / dy;
-    }
-
-    List<BoatGroup> getBoatGroups() {
-        return boatGroups;
-    }
-
-    List<MarkGroup> getMarkGroups() {
-        return  markGroups;
-    }
-}

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

@@ -1,39 +0,0 @@
-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;
-
-public class Controller implements Initializable {
-
-    @FXML
-    private AnchorPane contentPane;
-
-    private void 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)));
-        } catch (javafx.fxml.LoadException e) {
-            System.err.println(e.getCause());
-        } catch (IOException e) {
-            System.err.println(e);
-        }
-    }
-
-    @Override
-    public void initialize(URL location, ResourceBundle resources) {
-        contentPane.getStylesheets().add(getClass().getResource("/css/master.css").toString());
-        setContentPane("/views/StartScreenView.fxml");
-        StreamParser.boatLocations.clear();
-    }
-}

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

@@ -1,640 +0,0 @@
-package seng302.controllers;
-
-import javafx.animation.KeyFrame;
-import javafx.animation.Timeline;
-import javafx.collections.FXCollections;
-import javafx.collections.ObservableList;
-import javafx.fxml.FXML;
-import javafx.fxml.FXMLLoader;
-import javafx.geometry.Point2D;
-import javafx.scene.Scene;
-import javafx.scene.chart.LineChart;
-import javafx.scene.chart.NumberAxis;
-import javafx.scene.chart.XYChart;
-import javafx.scene.chart.XYChart.Series;
-import javafx.scene.control.Button;
-import javafx.scene.control.CheckBox;
-import javafx.scene.control.ComboBox;
-import javafx.scene.control.Slider;
-import javafx.scene.layout.AnchorPane;
-import javafx.scene.layout.Pane;
-import javafx.scene.layout.VBox;
-import javafx.scene.paint.Color;
-import javafx.scene.paint.Paint;
-import javafx.scene.shape.Line;
-import javafx.scene.text.Text;
-import javafx.stage.Stage;
-import javafx.stage.StageStyle;
-import javafx.util.Duration;
-import javafx.util.StringConverter;
-import seng302.GeometryUtils;
-import seng302.controllers.annotations.Annotation;
-import seng302.controllers.annotations.ImportantAnnotationController;
-import seng302.controllers.annotations.ImportantAnnotationDelegate;
-import seng302.controllers.annotations.ImportantAnnotationsState;
-import seng302.fxObjects.BoatGroup;
-import seng302.fxObjects.MarkGroup;
-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;
-import java.util.*;
-import seng302.models.stream.XMLParser.RaceXMLObject.Participant;
-import java.util.stream.Collectors;
-
-/**
- * Created by ptg19 on 29/03/17.
- */
-public class RaceViewController extends Thread implements ImportantAnnotationDelegate {
-
-    @FXML
-    private LineChart raceSparkLine;
-    @FXML
-    private NumberAxis sparklineYAxis;
-    @FXML
-    private VBox positionVbox;
-    @FXML
-    private CheckBox toggleFps;
-    @FXML
-    private Text timerLabel;
-    @FXML
-    private AnchorPane contentAnchorPane;
-    @FXML
-    private Text windArrowText, windDirectionText;
-    @FXML
-    private Slider annotationSlider;
-    @FXML
-    private Button selectAnnotationBtn;
-    @FXML
-    private ComboBox boatSelectionComboBox;
-    @FXML
-    private CanvasController includedCanvasController;
-
-    private static ArrayList<Yacht> startingBoats = new ArrayList<>();
-    private boolean displayFps;
-    private Timeline timerTimeline;
-    private Stage stage;
-    private static HashMap<Integer, Series<String, Double>> sparkLineData = new HashMap<>();
-    private static ArrayList<Yacht> racingBoats = new ArrayList<>();
-    private ImportantAnnotationsState importantAnnotations;
-    private Yacht selectedBoat;
-
-    public void initialize() {
-        // Load a default important annotation state
-        importantAnnotations = new ImportantAnnotationsState();
-
-        //Formatting the y axis of the sparkline
-        raceSparkLine.getYAxis().setRotate(180);
-        raceSparkLine.getYAxis().setTickLabelRotation(180);
-        raceSparkLine.getYAxis().setTranslateX(-5);
-        raceSparkLine.getYAxis().setAutoRanging(false);
-        sparklineYAxis.setTickMarkVisible(false);
-        startingBoats = new ArrayList<>(StreamParser.getBoats().values());
-
-        includedCanvasController.setup(this);
-        includedCanvasController.initializeCanvas();
-        initializeUpdateTimer();
-        initialiseFPSCheckBox();
-        initialiseAnnotationSlider();
-        initialiseBoatSelectionComboBox();
-        includedCanvasController.timer.start();
-        selectAnnotationBtn.setOnAction(event -> loadSelectAnnotationView());
-    }
-
-
-    /**
-     * The important annotations have been changed, update this view
-     *
-     * @param importantAnnotationsState The current state of the selected annotations
-     */
-    public void importantAnnotationsChanged(ImportantAnnotationsState importantAnnotationsState) {
-        this.importantAnnotations = importantAnnotationsState;
-        setAnnotations((int) annotationSlider.getValue()); // Refresh the displayed annotations
-    }
-
-
-    /**
-     * Loads the "select annotations" view in a new window
-     */
-    private void loadSelectAnnotationView() {
-        try {
-            FXMLLoader fxmlLoader = new FXMLLoader();
-            Stage stage = new Stage();
-
-            // Set controller
-            ImportantAnnotationController controller = new ImportantAnnotationController(this,
-                stage);
-            fxmlLoader.setController(controller);
-
-            // Load FXML and set CSS
-            fxmlLoader
-                .setLocation(getClass().getResource("/views/importantAnnotationSelectView.fxml"));
-            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();
-
-            controller.loadState(importantAnnotations);
-
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-    }
-
-
-    private void initialiseFPSCheckBox() {
-        displayFps = true;
-        toggleFps.selectedProperty().addListener(
-            (observable, oldValue, newValue) -> displayFps = !displayFps);
-    }
-
-    private void initialiseAnnotationSlider() {
-        annotationSlider.setLabelFormatter(new StringConverter<Double>() {
-            @Override
-            public String toString(Double n) {
-                if (n == 0) {
-                    return "None";
-                }
-                if (n == 1) {
-                    return "Important";
-                }
-                if (n == 2) {
-                    return "All";
-                }
-
-                return "All";
-            }
-
-            @Override
-            public Double fromString(String s) {
-                switch (s) {
-                    case "None":
-                        return 0d;
-                    case "Important":
-                        return 1d;
-                    case "All":
-                        return 2d;
-
-                    default:
-                        return 2d;
-                }
-            }
-        });
-
-        annotationSlider.valueProperty().addListener((obs, oldval, newVal) ->
-            setAnnotations((int) annotationSlider.getValue()));
-
-        annotationSlider.setValue(2);
-    }
-
-
-    /**
-     * Used to add any new boats into the race that may have started late or not have had data received yet
-     */
-    void updateSparkLine(){
-        // Collect the racing boats that aren't already in the chart
-        ArrayList<Yacht> sparkLineCandidates = startingBoats.stream().filter(yacht -> !sparkLineData.containsKey(yacht.getSourceID())
-                && yacht.getPosition() != null & yacht.getPosition() != "-").collect(Collectors.toCollection(ArrayList::new));
-
-        // Obtain the qualifying boats to set the max on the Y axis
-        racingBoats = startingBoats.stream().filter(yacht ->
-        yacht.getPosition() != null & yacht.getPosition() != "-").collect(Collectors.toCollection(ArrayList::new));
-        sparklineYAxis.setUpperBound(racingBoats.size() + 1);
-
-        // Create a new data series for new boats
-        sparkLineCandidates.stream().filter(yacht -> yacht.getPosition() != null).forEach(yacht -> {
-            Series<String, Double> yachtData = new Series<>();
-            yachtData.setName(yacht.getBoatName());
-            yachtData.getData().add(new XYChart.Data<>(Integer.toString(yacht.getLegNumber()), 1 + racingBoats.size() - Double.parseDouble(yacht.getPosition())));
-            sparkLineData.put(yacht.getSourceID(), yachtData);
-        });
-
-        // Lambda function to sort the series in order of leg (later legs shown more to the right)
-        List<XYChart.Series<String, Double>> positions = new ArrayList<>(sparkLineData.values());
-        Collections.sort(positions, (o1, o2) -> {
-            Integer leg1 =  Integer.parseInt(o1.getData().get(o1.getData().size()-1).getXValue());
-            Integer leg2 =  Integer.parseInt(o2.getData().get(o2.getData().size()-1).getXValue());
-            if (leg2 < leg1){
-                return 1;
-            } else {
-                return -1;
-            }
-        });
-
-        // Adds the new data series to the sparkline (and set the colour of the series)
-        raceSparkLine.setCreateSymbols(false);
-        positions.stream().filter(spark -> !raceSparkLine.getData().contains(spark)).forEach(spark -> {
-            raceSparkLine.getData().add(spark);
-            spark.getNode().lookup(".chart-series-line").setStyle("-fx-stroke:" + getBoatColorAsRGB(spark.getName()));
-        });
-    }
-
-
-    /**
-     * Updates the yachts sparkline of the desired boat and using the new leg number
-     * @param yacht The yacht to be updated on the sparkline
-     * @param legNumber the leg number that the position will be assigned to
-     */
-    public static void updateYachtPositionSparkline(Yacht yacht, Integer legNumber){
-        XYChart.Series<String, Double> positionData =  sparkLineData.get(yacht.getSourceID());
-        positionData.getData().add(new XYChart.Data<>(Integer.toString(legNumber), 1 + racingBoats.size() - Double.parseDouble(yacht.getPosition())));
-    }
-
-
-    /**
-     * gets the rgb string of the boats colour to use for the chart via css
-     * @param boatName boat passed in to get the boats colour
-     * @return the colour as an rgb string
-     */
-    private String getBoatColorAsRGB(String boatName){
-        Color color = Color.WHITE;
-        for (Yacht yacht: startingBoats){
-            if (Objects.equals(yacht.getBoatName(), boatName)){
-                color = yacht.getColour();
-            }
-        }
-        if (color == null){
-            return String.format( "#%02X%02X%02X",255,255,255);
-        }
-        return String.format( "#%02X%02X%02X",
-            (int)( color.getRed() * 255 ),
-            (int)( color.getGreen() * 255 ),
-            (int)( color.getBlue() * 255 ) );
-    }
-
-
-    /**
-     * Initalises a timer which updates elements of the RaceView such as wind direction, boat
-     * orderings etc.. which are dependent on the info from the stream parser constantly.
-     * Updates of each of these attributes are called ONCE EACH SECOND
-     */
-    private void initializeUpdateTimer() {
-        timerTimeline = new Timeline();
-        timerTimeline.setCycleCount(Timeline.INDEFINITE);
-        // Run timer update every second
-        timerTimeline.getKeyFrames().add(
-            new KeyFrame(Duration.seconds(1),
-                event -> {
-                    updateRaceTime();
-                    updateWindDirection();
-                    updateOrder();
-                    updateBoatSelectionComboBox();
-                })
-        );
-
-        // Start the timer
-        timerTimeline.playFromStart();
-    }
-
-
-    /**
-     * Iterates over all corners until ones SeqID matches with the boats current leg number.
-     * Then it gets the compoundMarkID of that corner and uses it to fetch the appropriate mark
-     * Returns null if no next mark found.
-     * @param bg The BoatGroup to find the next mark of
-     * @return The next Mark or null if none found
-     */
-    private Mark getNextMark(BoatGroup bg) {
-        Integer legNumber = bg.getBoat().getLegNumber();
-
-        List<XMLParser.RaceXMLObject.Corner> markSequence = StreamParser.getXmlObject().getRaceXML().getCompoundMarkSequence();
-
-        if (legNumber == 0) {
-            return null;
-        } else if (legNumber == markSequence.size() - 1) {
-            return null;
-        }
-
-        for (XMLParser.RaceXMLObject.Corner corner : markSequence) {
-            if (legNumber + 2 == corner.getSeqID()) {
-                Integer thisCompoundMarkID = corner.getCompoundMarkID();
-
-                for (Mark mark : StreamParser.getXmlObject().getRaceXML().getAllCompoundMarks()) {
-                    if (mark.getCompoundMarkID() == thisCompoundMarkID) {
-                        return mark;
-                    }
-                }
-            }
-        }
-
-        return null;
-    }
-
-
-    /**
-     * Updates the wind direction arrow and text as from info from the StreamParser
-     */
-    private void updateWindDirection() {
-        windDirectionText.setText(String.format("%.1f°", StreamParser.getWindDirection()));
-        windArrowText.setRotate(StreamParser.getWindDirection());
-    }
-
-
-    /**
-     * Updates the clock for the race
-     */
-    private void updateRaceTime() {
-        if (StreamParser.isRaceFinished()) {
-            timerLabel.setFill(Color.RED);
-            timerLabel.setText("Race Finished!");
-        } else {
-            timerLabel.setText(getTimeSinceStartOfRace());
-        }
-    }
-
-
-    /**
-     * Grabs the boats currently in the race as from the StreamParser and sets them to be selectable
-     * in the boat selection combo box
-     */
-    private void updateBoatSelectionComboBox() {
-        ObservableList<Yacht> observableBoats = FXCollections
-            .observableArrayList(StreamParser.getBoatsPos().values());
-        boatSelectionComboBox.setItems(observableBoats);
-    }
-
-
-    /**
-     * Updates the order of the boats as from the StreamParser and sets them in the boat order
-     * section
-     */
-    private void updateOrder() {
-        positionVbox.getChildren().clear();
-        positionVbox.getChildren().removeAll();
-        positionVbox.getStylesheets().add(getClass().getResource("/css/master.css").toString());
-
-        // list of racing boat id
-        ArrayList<Participant> participants = StreamParser.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 (participantIDs.contains(boat.getSourceID())) {  // check if the boat is racing
-                    if (boat.getBoatStatus() == 3) {  // 3 is finish status
-                        Text textToAdd = new Text(boat.getPosition() + ". " +
-                            boat.getShortName() + " (Finished)");
-                        textToAdd.setFill(Paint.valueOf("#d3d3d3"));
-                        positionVbox.getChildren().add(textToAdd);
-
-                    } else {
-                        Text textToAdd = new Text(boat.getPosition() + ". " +
-                            boat.getShortName() + " ");
-                        textToAdd.setFill(Paint.valueOf("#d3d3d3"));
-                        textToAdd.setStyle("");
-                        positionVbox.getChildren().add(textToAdd);
-                    }
-                }
-            }
-        } else {
-            for (Yacht boat : StreamParser.getBoats().values()) {
-                if (participantIDs.contains(boat.getSourceID())) {  // check if the boat is racing
-                    Text textToAdd = new Text(boat.getPosition() + ". " +
-                        boat.getShortName() + " ");
-                    textToAdd.setFill(Paint.valueOf("#d3d3d3"));
-                    textToAdd.setStyle("");
-                    positionVbox.getChildren().add(textToAdd);
-                }
-            }
-        }
-    }
-
-
-    private void updateLaylines(BoatGroup bg) {
-
-        Mark nextMark = getNextMark(bg);
-        Boolean isUpwind = null;
-        // Can only calc leg direction if there is a next mark and it is a gate mark
-        if (nextMark != null) {
-            if (nextMark instanceof GateMark) {
-                if (bg.isUpwindLeg(includedCanvasController, nextMark)) {
-                    isUpwind = true;
-                } else {
-                    isUpwind = false;
-                }
-
-                for(MarkGroup mg : includedCanvasController.getMarkGroups()) {
-
-                    mg.removeLaylines();
-
-                    if (mg.getMainMark().getId() == nextMark.getId()) {
-
-                        SingleMark singleMark1 = ((GateMark) nextMark).getSingleMark1();
-                        SingleMark singleMark2 = ((GateMark) nextMark).getSingleMark2();
-                        Point2D markPoint1 = includedCanvasController.findScaledXY(singleMark1.getLatitude(), singleMark1.getLongitude());
-                        Point2D markPoint2 = includedCanvasController.findScaledXY(singleMark2.getLatitude(), singleMark2.getLongitude());
-                        HashMap<Double, Double> angleAndSpeed;
-                        if (isUpwind) {
-                            angleAndSpeed = PolarTable.getOptimalUpwindVMG(StreamParser.getWindSpeed());
-                        } else {
-                            angleAndSpeed = PolarTable.getOptimalDownwindVMG(StreamParser.getWindSpeed());
-                        }
-
-                        Double resultingAngle = angleAndSpeed.keySet().iterator().next();
-
-
-                        Point2D boatCurrentPos = new Point2D(bg.getBoatLayoutX(), bg.getBoatLayoutY());
-                        Point2D gateMidPoint = markPoint1.midpoint(markPoint2);
-                        Integer lineFuncResult = GeometryUtils.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());
-                        } else if (lineFuncResult == -1) {
-                            rightLayline = makeRightLayline(markPoint1, 180 - resultingAngle, StreamParser.getWindDirection());
-                            leftLayline = makeLeftLayline(markPoint2, 180 - resultingAngle, StreamParser.getWindDirection());
-                        }
-
-                        leftLayline.setStrokeWidth(0.5);
-                        leftLayline.setStroke(bg.getBoat().getColour());
-
-                        rightLayline.setStrokeWidth(0.5);
-                        rightLayline.setStroke(bg.getBoat().getColour());
-
-                        bg.setLaylines(leftLayline, rightLayline);
-                        mg.addLaylines(leftLayline, rightLayline);
-
-                    }
-                }
-            }
-        }
-    }
-
-
-    private Point2D getPointRotation(Point2D ref, Double distance, Double angle){
-        Double newX = ref.getX() + (ref.getX() + distance -ref.getX())*Math.cos(angle) - (ref.getY() + distance -ref.getY())*Math.sin(angle);
-        Double newY = ref.getY() + (ref.getX() + distance -ref.getX())*Math.sin(angle) + (ref.getY() + distance -ref.getY())*Math.cos(angle);
-
-        return new Point2D(newX, newY);
-    }
-
-
-    public Line  makeLeftLayline(Point2D startPoint, Double layLineAngle, Double baseAngle) {
-
-        Point2D ep = getPointRotation(startPoint, 50.0, baseAngle + layLineAngle);
-        Line line = new Line(startPoint.getX(), startPoint.getY(), ep.getX(), ep.getY());
-        return line;
-
-    }
-
-
-    public Line makeRightLayline(Point2D startPoint, Double layLineAngle, Double baseAngle) {
-
-        Point2D ep = getPointRotation(startPoint, 50.0, baseAngle - layLineAngle);
-        Line line = new Line(startPoint.getX(), startPoint.getY(), ep.getX(), ep.getY());
-        return line;
-
-    }
-
-
-    /**
-     * Initialised the combo box with any boats currently in the race and adds the required listener
-     * for the combobox to take action upon selection
-     */
-    private void initialiseBoatSelectionComboBox() {
-        updateBoatSelectionComboBox();
-        boatSelectionComboBox.valueProperty().addListener((observable, oldValue, newValue) -> {
-            //This listener is fired whenever the combo box changes. This means when the values are updated
-            //We dont want to set the selected value if the values are updated but nothing clicked (null)
-            if (newValue != null && newValue != selectedBoat) {
-                Yacht thisYacht = (Yacht) newValue;
-                setSelectedBoat(thisYacht);
-            }
-        });
-    }
-
-
-    /**
-     * Display the list of boats in the order they finished the race
-     */
-    private void loadRaceResultView() {
-        FXMLLoader loader = new FXMLLoader(getClass().getResource("/views/FinishView.fxml"));
-
-        try {
-            contentAnchorPane.getChildren().removeAll();
-            contentAnchorPane.getChildren().clear();
-            contentAnchorPane.getChildren().addAll((Pane) loader.load());
-
-        } catch (javafx.fxml.LoadException e) {
-            System.err.println(e.getCause());
-        } catch (IOException e) {
-            System.err.println(e);
-        }
-    }
-
-
-    /**
-     * Convert seconds to a string of the format mm:ss
-     *
-     * @param time the time in seconds
-     * @return a formatted string
-     */
-    public String convertTimeToMinutesSeconds(int time) {
-        if (time < 0) {
-            return String.format("-%02d:%02d", (time * -1) / 60, (time * -1) % 60);
-        }
-        return String.format("%02d:%02d", time / 60, time % 60);
-    }
-
-    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 (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);
-            if (timerSecond.length() == 1) {
-                timerSecond = "0" + timerSecond;
-            }
-            timerString = timerMinute + ":" + timerSecond;
-        }
-        return timerString;
-    }
-
-
-    boolean isDisplayFps() {
-        return displayFps;
-    }
-
-    private void setAnnotations(Integer annotationLevel) {
-        switch (annotationLevel) {
-            // No Annotations
-            case 0:
-                for (BoatGroup bg : includedCanvasController.getBoatGroups()) {
-                    bg.setVisibility(false, false, false, false, false, false);
-                }
-                break;
-            // Important Annotations
-            case 1:
-                for (BoatGroup bg : includedCanvasController.getBoatGroups()) {
-                    bg.setVisibility(
-                            importantAnnotations.getAnnotationState(Annotation.NAME),
-                            importantAnnotations.getAnnotationState(Annotation.SPEED),
-                            importantAnnotations.getAnnotationState(Annotation.ESTTIMETONEXTMARK),
-                            importantAnnotations.getAnnotationState(Annotation.LEGTIME),
-                            importantAnnotations.getAnnotationState(Annotation.TRACK),
-                            importantAnnotations.getAnnotationState(Annotation.WAKE)
-                    );
-                }
-                break;
-            // All Annotations
-            case 2:
-                for (BoatGroup bg : includedCanvasController.getBoatGroups()) {
-                    bg.setVisibility(true, true, true, true, true, true);
-                }
-                break;
-        }
-    }
-
-
-    /**
-     * Sets all the annotations of the selected boat to be visible and all others to be hidden
-     *
-     * @param yacht The yacht for which we want to view all annotations
-     */
-    private void setSelectedBoat(Yacht yacht) {
-        for (BoatGroup bg : includedCanvasController.getBoatGroups()) {
-            //We need to iterate over all race groups to get the matching boat group belonging to this boat if we
-            //are to toggle its annotations, there is no other backwards knowledge of a yacht to its boatgroup.
-            if (bg.getBoat().getHullID().equals(yacht.getHullID())) {
-                updateLaylines(bg);
-                bg.setIsSelected(true);
-                selectedBoat = yacht;
-            } else {
-                bg.setIsSelected(false);
-            }
-        }
-    }
-
-    void setStage(Stage stage) {
-        this.stage = stage;
-    }
-
-    Stage getStage() {
-        return stage;
-    }
-
-    /**
-     * Used for when the boat attempts to add data to the sparkline (first checks if the sparkline contains info on it)
-     * @param yachtId
-     * @return
-     */
-    public static boolean sparkLineStatus(Integer yachtId) {
-        return sparkLineData.containsKey(yachtId);
-    }
-}

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

@@ -1,188 +0,0 @@
-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.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;
-
-public class StartScreenController implements Initializable {
-
-    @FXML
-    private GridPane gridPane;
-    @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 boolean switchedToRaceView = false;
-
-    private void setContentPane(String jfxUrl) {
-        try {
-            // get the main controller anchor pane (MainView.fxml)
-            AnchorPane contentPane = (AnchorPane) gridPane.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) {
-        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.
-     */
-    public void startStream() {
-        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();
-                            }
-                            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);
-        }
-    }
-
-    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();
-    }
-}

src/main/java/seng302/discoveryServer/DiscoveryServer.java

@@ -0,0 +1,117 @@
+package seng302.discoveryServer;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import seng302.gameServer.messages.Message;
+import seng302.gameServer.messages.RoomCodeRequest;
+import seng302.gameServer.messages.ServerRegistrationMessage;
+import seng302.model.stream.packets.PacketType;
+import seng302.discoveryServer.util.ServerListing;
+import seng302.discoveryServer.util.ServerRepoStreamParser;
+import seng302.discoveryServer.util.ServerTable;
+
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.util.Arrays;
+import java.util.Random;
+
+public class DiscoveryServer {
+    public static final String ANSI_GREEN = "\u001B[32m";
+    public static final String ANSI_YELLOW = "\u001B[33m";
+    public static final String ANSI_BLUE = "\u001B[34m";
+    public static final String ANSI_RESET = "\u001B[0m";
+    public static String DISCOVERY_SERVER = "party.sydney.srv.michaelrausch.nz";
+
+    private ServerTable serverTable;
+    public static final Integer PORT_NUMBER = 9969;
+
+    private final Logger logger = LoggerFactory.getLogger(DiscoveryServer.class);
+
+    private void displayHeader(){
+        String selectedColor = Arrays.asList(ANSI_BLUE, ANSI_GREEN, ANSI_YELLOW).get(new Random().nextInt(2));
+        System.out.println(selectedColor);
+        System.out.println("                              .ccccc.             \n" +
+                "                         .cc;'coooxkl;.           \n" +
+                "                     .:c:::c:,,,,,;c;;,.'.        \n" +
+                "                   .clc,',:,..:xxocc;'..c;        \n" +
+                "                  .c:,';:ox:..:c,,,,,,...cd,      \n" +
+                "                .c:'.,oxxxxl::l:.,loll;..;ol.     \n" +
+                "                ;Oc..:xxxxxxxxx:.,llll,....oc     \n" +
+                "             .,;,',:loxxxxxxxxx:.,llll;.,,.'ld,   \n" +
+                "            .lo;..:xxxxxxxxxxxx:.'cllc,.:l:'cO;   \n" +
+                "           .:;...'cxxxxxxxxxxxxoc;,::,..cdl;;l'   \n" +
+                "         .cl;':,'';oxxxxxxdxxxxxx:....,cooc,cO;   \n" +
+                "     .,,,::;,lxoc:,,:lxxxxxxxxxxxo:,,;lxxl;'oNc   \n" +
+                "   .cdxo;':lxxxxxxc'';cccccoxxxxxxxxxxxxo,.;lc.  " + ANSI_YELLOW + "Party-Parrots-At-Sea Discovery Server v0.1 " + selectedColor +"\n" +
+                "  .loc'.'lxxxxxxxxocc;''''';ccoxxxxxxxxx:..oc     \n" +
+                "olc,..',:cccccccccccc:;;;;;;;;:ccccccccc,.'c,     \n" +
+                "Ol;......................................;l'  ");
+        System.out.println(ANSI_RESET);
+    }
+
+    public DiscoveryServer() throws Exception {
+        displayHeader();
+        serverTable = new ServerTable();
+
+        ServerSocket serverSocket;
+
+        try{
+            serverSocket = new ServerSocket(PORT_NUMBER);
+        }
+        catch(java.net.BindException e){
+            logger.error("FATAL - Could not bind socket, are you sure there isn't already an instance running?");
+            System.exit(1);
+            return;
+        }
+
+        logger.info("Started successfully - Now accepting connections");
+
+        while (true){
+            Socket clientSocket = serverSocket.accept();
+
+            parseRequest(clientSocket);
+
+            clientSocket.close();
+        }
+    }
+
+
+    private void parseRequest(Socket clientSocket) throws Exception {
+        ServerRepoStreamParser parser = new ServerRepoStreamParser(clientSocket.getInputStream());
+
+        if (clientSocket.isConnected() && !clientSocket.isClosed()){
+            PacketType parsePacketResult = parser.parse();
+
+            switch (parsePacketResult){
+                case SERVER_REGISTRATION:
+                    ServerListing listing = parser.getServerListing();
+
+                    if (!serverTable.getAllServers().contains(listing)){
+                        listing.setRoomCode(serverTable.getNextRoomCode().toString());
+                    }
+
+                    serverTable.addServer(listing);
+
+                    Message serverRegMessage = new RoomCodeRequest(listing.getRoomCode());
+                    clientSocket.getOutputStream().write(serverRegMessage.getBuffer());
+                    break;
+
+                case ROOM_CODE_REQUEST:
+                    String desiredRoomCode = parser.getRoomCode();
+
+                    ServerListing serverListing = serverTable.getServerByRoomCode(desiredRoomCode);
+                    Message response;
+
+                    if (serverListing != null){
+                        response = new ServerRegistrationMessage(serverListing.getServerName(), serverListing.getMapName(), serverListing.getAddress(), serverListing.getPortNumber(), 0, 0, desiredRoomCode);
+                    }
+                    else{
+                        response = new ServerRegistrationMessage("", "", "", 0, 0, 0, "");
+                    }
+
+                    clientSocket.getOutputStream().write(response.getBuffer());
+                    break;
+            }
+        }
+    }
+}

src/main/java/seng302/discoveryServer/DiscoveryServerClient.java

@@ -0,0 +1,121 @@
+package seng302.discoveryServer;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import seng302.gameServer.messages.Message;
+import seng302.gameServer.messages.RoomCodeRequest;
+import seng302.gameServer.messages.ServerRegistrationMessage;
+import seng302.model.stream.packets.PacketType;
+import seng302.discoveryServer.util.ServerListing;
+import seng302.discoveryServer.util.ServerRepoStreamParser;
+
+import java.net.Socket;
+import java.util.Timer;
+import java.util.TimerTask;
+
+public class DiscoveryServerClient {
+    private final Integer UPDATE_INTERVAL_MS = 5000;
+
+    private static String roomCode = null;
+    private Timer serverListingUpdateTimer;
+    private Logger logger = LoggerFactory.getLogger(DiscoveryServerClient.class);
+
+    public DiscoveryServerClient() {
+
+    }
+
+    /**
+     * Register the server with the discovery server
+     * @param serverListing The listing to register
+     */
+    public void register(ServerListing serverListing){
+        if (serverListingUpdateTimer != null){
+            serverListingUpdateTimer.cancel();
+            serverListingUpdateTimer = null;
+        }
+
+        serverListingUpdateTimer = new Timer();
+
+        serverListingUpdateTimer.schedule(new TimerTask() {
+            @Override
+            public void run() {
+                try {
+                    sendRegistrationUpdate(serverListing);
+                } catch (Exception e) {
+                    logger.debug("Could not update server listing");
+                }
+            }
+        }, 0, UPDATE_INTERVAL_MS);
+    }
+
+    /**
+     * Stop updating the server registration updates
+     */
+    public void unregister(){
+        serverListingUpdateTimer.cancel();
+    }
+
+    /**
+     * Gets the connection information for a server given a room code
+     *
+     * @param roomCode The room code to search for
+     * @return The ServerListing, or null if there was an error
+     * @throws Exception .
+     */
+    public ServerListing getServerForRoomCode(String roomCode) throws Exception {
+        Socket socket = new Socket(DiscoveryServer.DISCOVERY_SERVER, DiscoveryServer.PORT_NUMBER);
+        ServerRepoStreamParser parser = new ServerRepoStreamParser(socket.getInputStream());
+
+        Message request = new RoomCodeRequest(roomCode); //roomCode);
+        socket.getOutputStream().write(request.getBuffer());
+
+        PacketType packetType = parser.parse();
+
+        if (packetType != PacketType.SERVER_REGISTRATION){
+            logger.debug("Wrong packet received in response to a room code request");
+            return null;
+        }
+
+        socket.close();
+
+        return parser.getServerListing();
+    }
+
+    /**
+     * Sends a registration update to the discovery server.
+     *
+     * @param serverListing The server listing to send
+     * @throws Exception IF there was an error sending the update
+     */
+    private void sendRegistrationUpdate(ServerListing serverListing) throws Exception {
+        Socket socket = new Socket(DiscoveryServer.DISCOVERY_SERVER, DiscoveryServer.PORT_NUMBER);
+        ServerRepoStreamParser parser = new ServerRepoStreamParser(socket.getInputStream());
+
+        Message req = new ServerRegistrationMessage(serverListing);
+
+        socket.getOutputStream().write(req.getBuffer());
+
+        PacketType packetType = parser.parse();
+
+        if (packetType != PacketType.ROOM_CODE_REQUEST){
+            socket.close();
+            return;
+        }
+
+        String roomCode = parser.getRoomCode();
+
+        if (roomCode.length() != 0){
+            DiscoveryServerClient.roomCode = roomCode;
+        }
+
+        socket.close();
+    }
+
+    /**
+     * @return The last room code received by the client
+     */
+    public static String getRoomCode(){
+        return roomCode;
+    }
+}
+

src/main/java/seng302/discoveryServer/util/ReadableByteInputStream.java

@@ -0,0 +1,50 @@
+package seng302.discoveryServer.util;
+
+import java.io.InputStream;
+
+public class ReadableByteInputStream {
+    private InputStream is;
+
+    public ReadableByteInputStream(InputStream is){
+        this.is = is;
+    }
+
+    /**
+     * Get n bytes from the input stream
+     * @param n number of bytes
+     * @return the bytes read
+     * @throws Exception .
+     */
+    public byte[] getBytes(int n) throws Exception {
+        byte[] bytes = new byte[n];
+        for (int i = 0; i < n; i++) {
+            bytes[i] = (byte) readByte();
+        }
+        return bytes;
+    }
+
+    /**
+     * Skip n bytes
+     * @param n number of bytes to skip
+     * @throws Exception
+     */
+    public void skipBytes(long n) throws Exception {
+        for (int i = 0; i < n; i++) {
+            readByte();
+        }
+    }
+
+    /**
+     * Read the next byte from the stream
+     * @return The byte that was read
+     * @throws Exception .
+     */
+    public int readByte() throws Exception {
+        int currentByte = is.read();
+
+        if (currentByte == -1) {
+            throw new Exception();
+        }
+        return currentByte;
+    }
+}

src/main/java/seng302/discoveryServer/util/ServerListing.java

@@ -0,0 +1,113 @@
+package seng302.discoveryServer.util;
+
+public class ServerListing {
+    public final static int SERVER_TTL_DEFAULT = 10;
+
+    private String serverName = "";
+    private String mapName = "";
+    private String address = "";
+    private int portNumber = 0;
+    private int capacity = 0;
+    private int players = 0;
+    private String roomCode = "";
+    private int ttl = SERVER_TTL_DEFAULT;
+
+
+    public ServerListing(String serverName, String mapName, String address, int portNumber, int capacity){
+        this.serverName = serverName;
+        this.mapName = mapName;
+        this.address = address;
+        this.portNumber = portNumber;
+        this.capacity = capacity;
+    }
+
+    public ServerListing setNumberOfPlayers(int players){
+        this.players = players;
+        return this;
+    }
+
+    public ServerListing setRoomCode(String roomCode){
+        this.roomCode = roomCode;
+        return this;
+    }
+
+    public void refreshTtl(){
+        ttl = SERVER_TTL_DEFAULT;
+    }
+
+    public void decrementTtl(){
+        ttl--;
+    }
+
+    public boolean hasTtlExpired(){
+        return ttl < 0;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == null) {
+            return false;
+        }
+        if (!ServerListing.class.isAssignableFrom(obj.getClass())) {
+            return false;
+        }
+
+        final ServerListing other = (ServerListing) obj;
+
+        if (this.getPortNumber() != other.getPortNumber()){
+            return false;
+        }
+
+        if (!this.getMapName().equals(other.getMapName())){
+            return false;
+        }
+
+        if (!this.getServerName().equals(other.getServerName())){
+            return false;
+        }
+
+        if (this.getCapacity() != other.getCapacity()){
+            return false;
+        }
+
+        if (!this.getAddress().equals(other.getAddress())){
+            return false;
+        }
+
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        return this.getServerName().hashCode() +
+                this.getAddress().hashCode() + this.getMapName().hashCode();
+    }
+
+    public String getRoomCode() {
+        return roomCode;
+    }
+
+    public int getPortNumber() {
+        return portNumber;
+    }
+
+    public String getMapName() {
+        return mapName;
+    }
+
+    public String getServerName() {
+        return serverName;
+    }
+
+    public int getCapacity() {
+        return capacity;
+    }
+
+    public String getAddress() {
+        return address;
+    }
+
+    public void setTtl(Integer ttl){
+        this.ttl = ttl;
+    }
+}

src/main/java/seng302/discoveryServer/util/ServerRepoStreamParser.java

@@ -0,0 +1,109 @@
+package seng302.discoveryServer.util;
+
+
+import seng302.gameServer.messages.Message;
+import seng302.model.stream.packets.PacketType;
+
+import java.io.InputStream;
+import java.util.Arrays;
+
+public class ServerRepoStreamParser {
+    private ReadableByteInputStream inputStream;
+
+    private String roomCode;
+    private String mapName;
+    private ServerListing serverListing;
+
+    public ServerRepoStreamParser(InputStream is){
+        inputStream = new ReadableByteInputStream(is);
+    }
+
+    public PacketType parse() throws Exception {
+        int sync1 = inputStream.readByte();
+        int sync2 = inputStream.readByte();
+
+        PacketType packetType = null;
+
+        if (sync1 == 0x47 && sync2 == 0x83) {
+            int type = inputStream.readByte();
+            inputStream.skipBytes(10);
+            long payloadLength = Message.bytesToLong(inputStream.getBytes(2));
+            byte[] payload = inputStream.getBytes((int) payloadLength);
+            inputStream.skipBytes(4);
+
+            packetType = PacketType.assignPacketType(type, payload);
+
+            switch (packetType) {
+                case ROOM_CODE_REQUEST:
+                    roomCode = parseRoomCodeRequest(payload);
+                    break;
+
+                case LOBBY_REQUEST:
+                    mapName = parseLobbyRequest(payload);
+
+                case SERVER_REGISTRATION:
+                    serverListing = parseServerRegistration(payload);
+                    break;
+            }
+
+        }
+
+        return packetType;
+    }
+    private String parseLobbyRequest(byte[] payload) {
+        int mapNameLength = (int) Message.bytesToLong(Arrays.copyOfRange(payload, 0 ,4));
+
+        return new String(Arrays.copyOfRange(payload, 4, 4+mapNameLength));
+    }
+
+    private String parseRoomCodeRequest(byte[] payload) {
+        int roomCodeLength = (int) Message.bytesToLong(Arrays.copyOfRange(payload, 0 ,6));
+
+        return new String(Arrays.copyOfRange(payload, 6, 6+roomCodeLength));
+    }
+
+    public static ServerListing parseServerRegistration(byte[] payload) {
+        int nameLength = (int) Message.bytesToLong(Arrays.copyOfRange(payload, 0, 6));
+        int mapNameLength = (int) Message.bytesToLong(Arrays.copyOfRange(payload, 6, 12));
+        int addressLength = (int) Message.bytesToLong(Arrays.copyOfRange(payload, 12, 18));
+        int roomCodeLength = (int) Message.bytesToLong(Arrays.copyOfRange(payload, 18, 24));
+
+        int portNumber = (int) Message.bytesToLong(Arrays.copyOfRange(payload, 24, 28));
+        int players = (int) Message.bytesToLong(Arrays.copyOfRange(payload, 28, 32));
+        int capacity = (int) Message.bytesToLong(Arrays.copyOfRange(payload, 32, 36));
+
+        int currentPos = 36;
+        int nextPos = currentPos + nameLength;
+        String serverName = new String(Arrays.copyOfRange(payload, currentPos, nextPos));
+
+        currentPos = nextPos;
+        nextPos = currentPos + mapNameLength;
+        String mapName = new String(Arrays.copyOfRange(payload, currentPos, nextPos));
+
+        currentPos = nextPos;
+        nextPos = currentPos + addressLength;
+        String address = new String(Arrays.copyOfRange(payload, currentPos, nextPos));
+
+        currentPos = nextPos;
+        nextPos = currentPos + roomCodeLength;
+        String roomCode = new String(Arrays.copyOfRange(payload, currentPos, nextPos));
+
+        ServerListing serverListing = new ServerListing(serverName, mapName, address, portNumber, capacity);
+        serverListing.setNumberOfPlayers(players);
+        serverListing.setRoomCode(roomCode);
+
+        return serverListing;
+    }
+
+    public String getRoomCode() {
+        return roomCode;
+    }
+
+    public String getMapName() {
+        return mapName;
+    }
+
+    public ServerListing getServerListing() {
+        return serverListing;
+    }
+}

src/main/java/seng302/discoveryServer/util/ServerTable.java

@@ -0,0 +1,97 @@
+package seng302.discoveryServer.util;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.*;
+
+public class ServerTable {
+    private List<ServerListing> servers;
+    private int lastRoomCode = 4020;
+    private Logger logger = LoggerFactory.getLogger(ServerTable.class);
+
+    public ServerTable(){
+        servers = new ArrayList<>();
+
+        new Timer().schedule(new TimerTask() {
+            @Override
+            public void run() {
+                updateServers();
+            }
+        }, 0, 1000);
+    }
+
+    /**
+     * Update the servers TTL values, and then remove expired servers
+     */
+    private void updateServers() {
+        List<ServerListing> serversToRemove = new ArrayList<>();
+
+        for (ServerListing server : servers){
+            server.decrementTtl();
+
+            if (server.hasTtlExpired()){
+                logger.debug("Removed expired server - " + server.getServerName());
+                serversToRemove.add(server);
+            }
+        }
+
+        servers.removeAll(serversToRemove);
+    }
+
+    /**
+     * Add a server to the table
+     * @param server The server to add
+     */
+    public void addServer(ServerListing server){
+        if (servers.contains(server)){
+           updateTtlForServer(server);
+           return;
+        }
+        logger.debug("Added new server - " + server.getServerName());
+        servers.add(server);
+    }
+
+    /**
+     * Update the TTL for a given server to the default TTL value
+     * @param server The server to update
+     */
+    private void updateTtlForServer(ServerListing server) {
+        for (ServerListing serverListing : servers){
+            if (server.equals(serverListing)){
+                serverListing.refreshTtl();
+            }
+        }
+    }
+
+    /**
+     * @return All the servers in the table
+     */
+    public List<ServerListing> getAllServers(){
+        return Collections.unmodifiableList(servers);
+    }
+
+    /**
+     * Get a server from the table given its room code
+     * @param roomCode The room code to search for
+     * @return The ServerListing of the found server, or null
+     *         the server wasn't found
+     */
+    public ServerListing getServerByRoomCode(String roomCode){
+        for (ServerListing serverListing : servers){
+            if (serverListing.getRoomCode().equals(roomCode)){
+                return serverListing;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * @return The next available room code
+     */
+    public Integer getNextRoomCode(){
+        lastRoomCode += 1;
+        return lastRoomCode;
+    }
+}

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

@@ -1,133 +0,0 @@
-package seng302.fxObjects;
-
-import javafx.scene.CacheHint;
-import javafx.scene.Group;
-import javafx.scene.paint.Color;
-import javafx.scene.shape.Rectangle;
-import javafx.scene.text.Text;
-import seng302.models.Yacht;
-import seng302.models.stream.StreamParser;
-
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
-
-/**
- * Collection of annotations for boats.
- */
-public class BoatAnnotations extends Group{
-
-    //Text offset constants
-    private static final double X_OFFSET_TEXT = 18d;
-    private static final double Y_OFFSET_TEXT_INIT = -29d;
-    private static final double Y_OFFSET_PER_TEXT = 12d;
-    //Background constants
-    private static final double TEXT_BUFFER = 3;
-    private static final double BACKGROUND_X = X_OFFSET_TEXT - TEXT_BUFFER;
-    private static final double BACKGROUND_Y = Y_OFFSET_TEXT_INIT - TEXT_BUFFER;
-    private static final double BACKGROUND_H_PER_TEXT = 9.5d;
-    private static final double BACKGROUND_W = 125d;
-    private static final double BACKGROUND_ARC_SIZE = 10;
-
-    private Rectangle background = new Rectangle();
-    private Text teamNameObject;
-    private Text velocityObject;
-    private Text estTimeToNextMarkObject;
-    private Text legTimeObject;
-
-    private Yacht boat;
-
-    BoatAnnotations (Yacht boat, Color theme) {
-        super.setCache(true);
-        this.boat = boat;
-        background.setX(BACKGROUND_X);
-        background.setY(BACKGROUND_Y);
-        background.setWidth(BACKGROUND_W);
-        background.setHeight(Math.abs(BACKGROUND_X) + TEXT_BUFFER + BACKGROUND_H_PER_TEXT * 4);
-        background.setArcHeight(BACKGROUND_ARC_SIZE);
-        background.setArcWidth(BACKGROUND_ARC_SIZE);
-        background.setFill(new Color(1, 1, 1, 0.75));
-        background.setStroke(theme);
-        background.setStrokeWidth(2);
-        background.setCache(true);
-        background.setCacheHint(CacheHint.SPEED);
-
-        teamNameObject = getTextObject(boat.getShortName(), theme);
-        teamNameObject.relocate(X_OFFSET_TEXT, Y_OFFSET_TEXT_INIT + Y_OFFSET_PER_TEXT);
-
-        velocityObject = getTextObject("0 m/s", theme);
-        velocityObject.relocate(X_OFFSET_TEXT, Y_OFFSET_TEXT_INIT + Y_OFFSET_PER_TEXT * 2);
-
-        estTimeToNextMarkObject = getTextObject("Next mark: ", theme);
-        estTimeToNextMarkObject.relocate(X_OFFSET_TEXT, Y_OFFSET_TEXT_INIT + Y_OFFSET_PER_TEXT * 3);
-
-        legTimeObject = getTextObject("Last mark: -", theme);
-        legTimeObject.relocate(X_OFFSET_TEXT, Y_OFFSET_TEXT_INIT + Y_OFFSET_PER_TEXT * 4);
-
-        super.getChildren().addAll(background, teamNameObject, velocityObject, estTimeToNextMarkObject, legTimeObject);
-    }
-
-    /**
-     * Return a text object with caching and a color applied
-     *
-     * @param defaultText The default text to display
-     * @param fill The text fill color
-     * @return The text object
-     */
-    private Text getTextObject(String defaultText, Color fill) {
-        Text text = new Text(defaultText);
-        text.setFill(fill);
-        text.setStrokeWidth(2);
-        text.setCacheHint(CacheHint.SPEED);
-        text.setCache(true);
-        return text;
-    }
-
-    void update () {
-        velocityObject.setText(String.format(String.format("%.2f m/s", boat.getVelocity())));
-
-        if (boat.getTimeTillNext() != null) {
-            DateFormat format = new SimpleDateFormat("mm:ss");
-            String timeToNextMark = format
-                    .format(boat.getTimeTillNext() - StreamParser.getCurrentTimeLong());
-            estTimeToNextMarkObject.setText("Next mark: " + timeToNextMark);
-        } else {
-            estTimeToNextMarkObject.setText("Next mark: -");
-        }
-
-        if (boat.getMarkRoundTime() != null) {
-            DateFormat format = new SimpleDateFormat("mm:ss");
-            String elapsedTime = format
-                    .format(StreamParser.getCurrentTimeLong() - boat.getMarkRoundTime());
-            legTimeObject.setText("Last mark: " + elapsedTime);
-        }else {
-            legTimeObject.setText("Last mark: - ");
-        }
-    }
-
-    void setVisibile (boolean nameVisibility, boolean speedVisibility,
-                             boolean estTimeVisibility, boolean lastMarkVisibility) {
-        int totalVisible = 0;
-        totalVisible = updateVisibility(nameVisibility, teamNameObject, totalVisible);
-        totalVisible = updateVisibility(speedVisibility, velocityObject, totalVisible);
-        totalVisible = updateVisibility(estTimeVisibility, estTimeToNextMarkObject, totalVisible);
-        totalVisible = updateVisibility(lastMarkVisibility, legTimeObject, totalVisible);
-        if (totalVisible != 0) {
-            background.setVisible(true);
-            background.setHeight(Math.abs(BACKGROUND_X) + TEXT_BUFFER + BACKGROUND_H_PER_TEXT * totalVisible);
-        } else {
-            background.setVisible(false);
-        }
-    }
-
-    private int updateVisibility (boolean visibility, Text text, int totalVisible) {
-        if (visibility){
-            totalVisible ++;
-            text.setVisible(true);
-            text.setLayoutX(X_OFFSET_TEXT);
-            text.setLayoutY(Y_OFFSET_TEXT_INIT + Y_OFFSET_PER_TEXT * totalVisible);
-        } else {
-            text.setVisible(false);
-        }
-        return totalVisible;
-    }
-}

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

@@ -1,356 +0,0 @@
-package seng302.fxObjects;
-
-import java.util.ArrayList;
-import javafx.event.EventHandler;
-import javafx.geometry.Point2D;
-import javafx.scene.CacheHint;
-import javafx.scene.Group;
-import javafx.scene.paint.Color;
-import javafx.scene.shape.Line;
-import javafx.scene.shape.Polygon;
-import javafx.scene.text.Text;
-import javafx.scene.transform.Rotate;
-import seng302.models.Yacht;
-import seng302.GeometryUtils;
-import seng302.controllers.CanvasController;
-import seng302.models.mark.GateMark;
-import seng302.models.mark.Mark;
-import seng302.models.mark.SingleMark;
-import seng302.models.stream.StreamParser;
-
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
-
-/**
- * BoatGroup is a javafx group that by default contains a graphical objects for representing a 2
- * dimensional boat. It contains a single polygon for the boat, a group of lines to show it's path,
- * a wake object and two text labels to annotate the boat teams name and the boats velocity. The
- * boat will update it's position onscreen everytime UpdatePosition is called unless the window is
- * minimized in which case it attempts to store animations and apply them when the window is
- * maximised.
- */
-public class BoatGroup extends Group {
-
-    //Constants for drawing
-    private static final double BOAT_HEIGHT = 15d;
-    private static final double BOAT_WIDTH = 10d;
-    //Variables for boat logic.
-    private boolean isStopped = true;
-    private double xIncrement;
-    private double yIncrement;
-    private long lastTimeValid = 0;
-    private Double lastRotation = 0.0;
-    private long framesToMove;
-    //Graphical objects
-    private Yacht boat;
-    private Group lineGroup = new Group();
-    private Polygon boatPoly;
-    private Wake wake;
-    private Line leftLayLine;
-    private Line rightLayline;
-    private Double distanceTravelled = 0.0;
-    private Point2D lastPoint;
-    private boolean destinationSet;
-    private BoatAnnotations boatAnnotations;
-
-    private Boolean isSelected = true;  //All boats are initialised as selected
-
-    /**
-     * Creates a BoatGroup with the default triangular boat polygon.
-     *
-     * @param boat The boat that the BoatGroup will represent. Must contain an ID which will be used
-     * to tell which BoatGroup to update.
-     * @param color The colour of the boat polygon and the trailing line.
-     */
-    public BoatGroup(Yacht boat, Color color) {
-        destinationSet = false;
-        this.boat = boat;
-        initChildren(color);
-    }
-
-    /**
-     * Creates a BoatGroup with the boat being the default polygon. The head of the boat should be
-     * at point (0,0).
-     *
-     * @param boat The boat that the BoatGroup will represent. Must contain an ID which will be used
-     * to tell which BoatGroup to update.
-     * @param color The colour of the boat polygon and the trailing line.
-     * @param points An array of co-ordinates x1,y1,x2,y2,x3,y3... that will make up the boat
-     * polygon.
-     */
-    public BoatGroup(Yacht boat, Color color, double... points) {
-        destinationSet = false;
-        this.boat = boat;
-        initChildren(color, points);
-    }
-
-    /**
-     * Creates the javafx objects that will be the in the group by default.
-     *
-     * @param color The colour of the boat polygon and the trailing line.
-     * @param points An array of co-ordinates x1,y1,x2,y2,x3,y3... that will make up the boat
-     * polygon.
-     */
-    private void initChildren(Color color, double... points) {
-        boatPoly = new Polygon(points);
-        boatPoly.setFill(color);
-        boatPoly.setOnMouseEntered(event -> {
-            boatPoly.setFill(Color.FLORALWHITE);
-            boatPoly.setStroke(Color.RED);
-        });
-        boatPoly.setOnMouseExited(event -> {
-            boatPoly.setFill(color);
-            boatPoly.setStroke(Color.BLACK);
-        });
-        boatPoly.setOnMouseClicked(event -> setIsSelected(!isSelected));
-        boatPoly.setCache(true);
-        boatPoly.setCacheHint(CacheHint.SPEED);
-        boatAnnotations = new BoatAnnotations(boat, color);
-
-        leftLayLine = new Line();
-        rightLayline = new Line();
-
-        wake = new Wake(0, -BOAT_HEIGHT);
-        super.getChildren().addAll(boatPoly, boatAnnotations);
-    }
-
-    /**
-     * Creates the javafx objects that will be the in the group by default.
-     *
-     * @param color The colour of the boat polygon and the trailing line.
-     */
-    private void initChildren(Color color) {
-        initChildren(color,
-            -BOAT_WIDTH / 2, BOAT_HEIGHT / 2,
-            0.0, -BOAT_HEIGHT / 2,
-            BOAT_WIDTH / 2, BOAT_HEIGHT / 2);
-    }
-
-    /**
-     * Moves the boat and its children annotations from its current coordinates by specified
-     * amounts.
-     *
-     * @param dx The amount to move the X coordinate by
-     * @param dy The amount to move the Y coordinate by
-     */
-    private void moveGroupBy(double dx, double dy) {
-        boatPoly.setLayoutX(boatPoly.getLayoutX() + dx);
-        boatPoly.setLayoutY(boatPoly.getLayoutY() + dy);
-        boatAnnotations.setLayoutX(boatAnnotations.getLayoutX() + dx);
-        boatAnnotations.setLayoutY(boatAnnotations.getLayoutY() + dy);
-        wake.setLayoutX(wake.getLayoutX() + dx);
-        wake.setLayoutY(wake.getLayoutY() + dy);
-    }
-
-
-    /**
-     * Moves the boat and its children annotations to coordinates specified
-     *
-     * @param x The X coordinate to move the boat to
-     * @param y The Y coordinate to move the boat to
-     */
-    private void moveTo(double x, double y, double rotation) {
-        rotateTo(rotation);
-        boatPoly.setLayoutX(x);
-        boatPoly.setLayoutY(y);
-        boatAnnotations.setLayoutX(x);
-        boatAnnotations.setLayoutY(y);
-        wake.setLayoutX(x);
-        wake.setLayoutY(y);
-        wake.rotate(rotation);
-    }
-
-    private void rotateTo(double rotation) {
-        boatPoly.getTransforms().setAll(new Rotate(rotation));
-    }
-
-    public void move() {
-        double dx = xIncrement * framesToMove;
-        double dy = yIncrement * framesToMove;
-
-        distanceTravelled += Math.abs(dx) + Math.abs(dy);
-        moveGroupBy(xIncrement, yIncrement);
-        framesToMove = framesToMove - 1;
-
-        if (framesToMove <= 0) {
-            isStopped = true;
-        }
-
-        if (distanceTravelled > 70) {
-            distanceTravelled = 0d;
-
-            if (lastPoint != null) {
-                Line l = new Line(
-                    lastPoint.getX(),
-                    lastPoint.getY(),
-                    boatPoly.getLayoutX(),
-                    boatPoly.getLayoutY()
-                );
-                l.getStrokeDashArray().setAll(3d, 7d);
-                l.setStroke(boat.getColour());
-                l.setCache(true);
-                l.setCacheHint(CacheHint.SPEED);
-                lineGroup.getChildren().add(l);
-            }
-
-            if (destinationSet) {
-                lastPoint = new Point2D(boatPoly.getLayoutX(), boatPoly.getLayoutY());
-            }
-        }
-        wake.updatePosition();
-    }
-
-    /**
-     * Sets the destination of the boat and the headng it should have once it reaches
-     *
-     * @param newXValue The X co-ordinate the boat needs to move to.
-     * @param newYValue The Y co-ordinate the boat needs to move to.
-     * @param rotation Rotation to move graphics to.
-     * @param timeValid the time the position values are valid for
-     */
-    public void setDestination(double newXValue, double newYValue, double rotation,
-        double groundSpeed, long timeValid, double frameRate) {
-        if (lastTimeValid == 0) {
-            lastTimeValid = timeValid - 200;
-            moveTo(newXValue, newYValue, rotation);
-        }
-        framesToMove = Math.round((frameRate / (1000.0f / (timeValid - lastTimeValid))));
-        double dx = newXValue - boatPoly.getLayoutX();
-        double dy = newYValue - boatPoly.getLayoutY();
-
-        xIncrement = dx / framesToMove;
-        yIncrement = dy / framesToMove;
-
-        destinationSet = true;
-
-        rotateTo(rotation);
-        wake.setRotation(rotation, groundSpeed);
-        boat.setVelocity(groundSpeed);
-        lastTimeValid = timeValid;
-        isStopped = false;
-        lastRotation = rotation;
-        boatAnnotations.update();
-    }
-
-
-    /**
-     * This function works out if a boat is going upwind or down wind. It looks at the boats current position, the next
-     * gates position and the current wind
-     * If bot the wind vector from the next gate and the boat from the next gate lay on the same side, then the boat is
-     * going up wind, if they are on different sides of the gate, then the boat is going downwind
-     * @param canvasController
-     */
-    public Boolean isUpwindLeg(CanvasController canvasController, Mark nextMark) {
-
-        Double windAngle = StreamParser.getWindDirection();
-        GateMark thisGateMark = (GateMark) nextMark;
-        SingleMark nextMark1 = thisGateMark.getSingleMark1();
-        SingleMark nextMark2 = thisGateMark.getSingleMark2();
-        Point2D nextMarkPoint1 = canvasController.findScaledXY(nextMark1.getLatitude(), nextMark1.getLongitude());
-        Point2D nextMarkPoint2 = canvasController.findScaledXY(nextMark2.getLatitude(), nextMark2.getLongitude());
-
-        Point2D boatCurrentPoint = new Point2D(boatPoly.getLayoutX(), boatPoly.getLayoutY());
-        Point2D windTestPoint = GeometryUtils.makeArbitraryVectorPoint(nextMarkPoint1, windAngle, 10d);
-
-
-        Integer boatLineFuncResult = GeometryUtils.lineFunction(nextMarkPoint1, nextMarkPoint2, boatCurrentPoint);
-        Integer windLineFuncResult = GeometryUtils.lineFunction(nextMarkPoint1, nextMarkPoint2, windTestPoint);
-
-
-        /*
-        If both the wind vector from the gate and the boat from the gate are on the same side of that gate, then the
-        boat is travelling into the wind. thus upwind. Otherwise if they are on different sides, then the boat is going
-        with the wind.
-         */
-        if (boatLineFuncResult == windLineFuncResult) {
-            return true;
-        } else {
-            return false;
-        }
-
-    }
-
-
-    public void setIsSelected(Boolean isSelected) {
-        this.isSelected = isSelected;
-        setLineGroupVisible(isSelected);
-        setWakeVisible(isSelected);
-        boatAnnotations.setVisible(isSelected);
-        setLayLinesVisible(isSelected);
-    }
-
-    public void setVisibility (boolean teamName, boolean velocity, boolean estTime, boolean legTime, boolean trail, boolean wake) {
-        boatAnnotations.setVisibile(teamName, velocity, estTime, legTime);
-        this.wake.setVisible(wake);
-        this.lineGroup.setVisible(trail);
-    }
-
-    public void setLineGroupVisible(Boolean visible) {
-        lineGroup.setVisible(visible);
-    }
-
-    public void setWakeVisible(Boolean visible) {
-        wake.setVisible(visible);
-    }
-
-    public void setLayLinesVisible(Boolean visible) {
-        leftLayLine.setVisible(visible);
-        rightLayline.setVisible(visible);
-    }
-
-    public void setLaylines(Line line1, Line line2) {
-        this.leftLayLine = line1;
-        this.rightLayline = line2;
-    }
-
-    public ArrayList<Line> getLaylines() {
-        ArrayList<Line> laylines = new ArrayList<>();
-        laylines.add(leftLayLine);
-        laylines.add(rightLayline);
-        return laylines;
-    }
-
-    public Yacht getBoat() {
-        return boat;
-    }
-
-    /**
-     * Returns all raceIds associated with this group. For BoatGroups the ID's are for the boat.
-     *
-     * @return An array containing all ID's associated with this RaceObject.
-     */
-    public long getRaceId() {
-        return boat.getSourceID();
-    }
-
-    public Group getWake () {
-        return wake;
-    }
-
-    public Group getTrail() {
-        return lineGroup;
-    }
-
-    public Group getAnnotations() {
-        return boatAnnotations;
-    }
-
-    public Double getBoatLayoutX() {
-        return boatPoly.getLayoutX();
-    }
-
-
-    public Double getBoatLayoutY() {
-        return boatPoly.getLayoutY();
-    }
-
-    public boolean isStopped() {
-        return isStopped;
-    }
-
-    @Override
-    public String toString() {
-        return boat.toString();
-    }
-
-}

src/main/java/seng302/fxObjects/MarkGroup.java

@@ -1,168 +0,0 @@
-package seng302.fxObjects;
-
-import java.util.ArrayList;
-import java.util.List;
-import javafx.geometry.Point2D;
-import javafx.scene.Group;
-import javafx.scene.Node;
-import javafx.scene.paint.Color;
-import javafx.scene.shape.Circle;
-import javafx.scene.shape.Line;
-import seng302.models.mark.GateMark;
-import seng302.models.mark.Mark;
-import seng302.models.mark.MarkType;
-import seng302.models.mark.SingleMark;
-import seng302.GeometryUtils;
-
-/**
- * Grouping of javaFX objects needed to represent a Mark on screen.
- */
-public class MarkGroup extends Group {
-
-    private static int MARK_RADIUS        = 5;
-    private static int LINE_THICKNESS     = 2;
-    private static double DASHED_GAP_LEN  = 2d;
-    private static double DASHED_LINE_LEN = 5d;
-
-    private List<Mark> marks = new ArrayList<>();
-    private Mark mainMark;
-
-    /**
-     * Constructor for singleMark groups
-     * @param mark
-     * @param points
-     */
-    public MarkGroup (SingleMark mark, Point2D points) {
-        marks.add(mark);
-        mainMark = mark;
-        Color color = Color.BLACK;
-        if (mark.getName().equals("Start")){
-            color = Color.GREEN;
-        } else if (mark.getName().equals("Finish")){
-            color = Color.RED;
-        }
-        Circle markCircle;
-        markCircle = new Circle(
-            points.getX(),
-            points.getY(),
-            MARK_RADIUS,
-            color
-        );
-        super.getChildren().add(markCircle);
-    }
-
-    public void addLaylines(Line line1, Line line2) {
-
-        super.getChildren().addAll(line1, line2);
-    }
-
-
-    public void removeLaylines() {
-        ArrayList<Node> toRemove = new ArrayList<>();
-        for(Node node : super.getChildren()) {
-            if (node instanceof Line) {
-                Line layLine = (Line) node;
-
-                /***
-                 * OOHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHhhh
-                 */
-                if (layLine.getStrokeWidth() == 0.5){
-                    toRemove.add(layLine);
-                }
-            }
-        }
-        super.getChildren().removeAll(toRemove);
-    }
-
-    public MarkGroup(GateMark mark, Point2D points1, Point2D points2) {
-        marks.add(mark.getSingleMark1());
-        marks.add(mark.getSingleMark2());
-        mainMark = mark;
-        Color color = Color.BLACK;
-        if (mark.getName().equals("Start")){
-            color = Color.GREEN;
-        } else if (mark.getName().equals("Finish")){
-            color = Color.RED;
-        }
-        Circle markCircle;
-        markCircle = new Circle(
-            points1.getX(),
-            points1.getY(),
-            MARK_RADIUS,
-            color
-        );
-        super.getChildren().add(markCircle);
-
-        markCircle = new Circle(
-            points2.getX(),
-            points2.getY(),
-            MARK_RADIUS,
-            color
-        );
-        super.getChildren().add(markCircle);
-        Line line = new Line(
-            points1.getX(),
-            points1.getY(),
-            points2.getX(),
-            points2.getY()
-        );
-        line.setStrokeWidth(LINE_THICKNESS);
-        line.setStroke(color);
-        if (mark.getMarkType() == MarkType.OPEN_GATE) {
-            line.getStrokeDashArray().addAll(DASHED_GAP_LEN, DASHED_LINE_LEN);
-        }
-        super.getChildren().add(line);
-
-    }
-
-    public void moveMarkTo (double x, double y, long raceId)
-    {
-        if (mainMark.getMarkType() == MarkType.SINGLE_MARK) {
-            Circle markCircle = (Circle) super.getChildren().get(0);
-            //One of the test streams produced frequent, jittery movements. Added this as a fix.
-            if (Math.abs(markCircle.getCenterX() - x) > 5 || Math.abs(markCircle.getCenterY() - y) > 5) {
-                markCircle.setCenterX(x);
-                markCircle.setCenterY(y);
-            }
-        } else {
-            Circle markCircle1 = (Circle) super.getChildren().get(0);
-            Circle markCircle2 = (Circle) super.getChildren().get(1);
-            Line connectingLine = (Line) super.getChildren().get(2);
-            if (marks.get(0).getId() == raceId) {
-                if (Math.abs(markCircle1.getCenterX() - x) > 5 || Math.abs(markCircle1.getCenterY() - y) > 5) {
-                    markCircle1.setCenterX(x);
-                    markCircle1.setCenterY(y);
-                    connectingLine.setStartX(markCircle1.getCenterX());
-                    connectingLine.setStartY(markCircle1.getCenterY());
-                }
-            } else if (marks.get(1).getId() == raceId) {
-                if (Math.abs(markCircle2.getCenterX() - x) > 5 || Math.abs(markCircle2.getCenterY() - y) > 5) {
-                    markCircle2.setCenterX(x);
-                    markCircle2.setCenterY(y);
-                    connectingLine.setEndX(markCircle2.getCenterX());
-                    connectingLine.setEndY(markCircle2.getCenterY());
-                }
-            }
-        }
-    }
-
-    public boolean hasRaceId (int... raceIds) {
-        for (int id : raceIds)
-            for (Mark mark : marks)
-                if (id == mark.getId())
-                    return true;
-        return false;
-    }
-
-    public long[] getRaceIds () {
-        long[] idArray = new long[marks.size()];
-        int i = 0;
-        for (Mark mark : marks)
-            idArray[i++] = mark.getId();
-        return idArray;
-    }
-
-    public Mark getMainMark() {
-        return mainMark;
-    }
-}

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

@@ -0,0 +1,17 @@
+package seng302.gameServer;
+
+import seng302.model.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 +1,873 @@
+package seng302.gameServer;
+
+import javafx.scene.paint.Color;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.w3c.dom.Document;
+import org.xml.sax.InputSource;
+import seng302.gameServer.messages.*;
+import seng302.model.*;
+import seng302.model.mark.CompoundMark;
+import seng302.model.mark.Mark;
+import seng302.model.mark.MarkOrder;
+import seng302.model.token.Token;
+import seng302.model.token.TokenType;
+import seng302.utilities.GeoUtility;
+import seng302.utilities.XMLParser;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import java.util.*;
+
+/**
+ * A Static class to hold information about the current state of the game (model)
+ * Also contains logic for updating itself on regular time intervals on its own thread
+ * Created by wmu16 on 10/07/17.
+ */
+public class GameState implements Runnable {
+
+    @FunctionalInterface
+    interface NewMessageListener {
+        void notify(Message message);
+    }
+
+    private static Logger logger = LoggerFactory.getLogger(GameState.class);
+
+
+    static final int WARNING_TIME = 10 * -1000;
+    static final int PREPATORY_TIME = 5 * -1000;
+    private static final int TIME_TILL_START = 10 * 1000;
+
+    private static final Long POWERUP_TIMEOUT_MS = 10_000L;
+
+    private static final Integer STATE_UPDATES_PER_SECOND = 60;
+    private static Double ROUNDING_DISTANCE = 50d; // TODO: 14/08/17 wmu16 - Look into this value further
+    private static final Double MARK_COLLISION_DISTANCE = 15d;
+    public static final Double YACHT_COLLISION_DISTANCE = 25.0;
+    private static final Double BOUNCE_DISTANCE_MARK = 20.0;
+    public static final Double BOUNCE_DISTANCE_YACHT = 30.0;
+    private static final Double COLLISION_VELOCITY_PENALTY = 0.3;
+    private static final Integer VELOCITY_BOOST_MULTIPLIER = 2;
+
+    private static Long previousUpdateTime;
+    public static Double windDirection;
+    private static Double windSpeed;
+    private static Double speedMultiplier = 1d;
+
+    private static Boolean customizationFlag; // dirty flag to tell if a player has customized their boat.
+    private static Boolean playerHasLeftFlag;
+
+    private static String hostIpAddress;
+    private static List<Player> players;
+    private static Map<Integer, ServerYacht> yachts;
+    private static Boolean isRaceStarted;
+    private static GameStages currentStage;
+    private static MarkOrder markOrder;
+    private static long startTime;
+    private static Set<Mark> marks;
+    private static List<Limit> courseLimit;
+    private static Integer maxPlayers = 8;
+
+
+    private static List<Token> allTokens;
+    private static List<Token> tokensInPlay;
+
+    private static List<NewMessageListener> newMessageListeners;
+
+    private static Map<Player, String> playerStringMap = new HashMap<>();
+
+    public GameState(String hostIpAddress) {
+        windDirection = 180d;
+        windSpeed = 10000d;
+        yachts = new HashMap<>();
+        tokensInPlay = new ArrayList<>();
+
+        players = new ArrayList<>();
+        GameState.hostIpAddress = hostIpAddress;
+        customizationFlag = false;
+        playerHasLeftFlag = false;
+        speedMultiplier = 1.0;
+        currentStage = GameStages.LOBBYING;
+        isRaceStarted = false;
+        //set this when game stage changes to prerace
+        previousUpdateTime = System.currentTimeMillis();
+        markOrder = new MarkOrder(); //This could be instantiated at some point with a select map?
+        newMessageListeners = new ArrayList<>();
+        allTokens = makeTokens();
+
+        resetStartTime();
+
+        new Thread(this, "GameState").start();   //Run the auto updates on the game state
+
+        marks = new MarkOrder().getAllMarks();
+        setCourseLimit("/server_config/race.xml");
+    }
+
+    private void setCourseLimit(String url) {
+        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
+        documentBuilderFactory.setNamespaceAware(true);
+        DocumentBuilder documentBuilder;
+        Document document = null;
+        try {
+            documentBuilder = documentBuilderFactory.newDocumentBuilder();
+            document = documentBuilder.parse(new InputSource(getClass().getResourceAsStream(url)));
+        } catch (Exception e) {
+            // sorry, we have to catch general one, otherwise we have to catch five different exceptions.
+            logger.trace("Failed to load course limit for boundary collision detection.", e);
+        }
+        courseLimit = XMLParser.parseRace(document).getCourseLimit();
+    }
+
+
+    /**
+     * Make a pre defined set of tokensInPlay. //TODO wmu16 - Should read from some file for each
+     * race ideally
+     *
+     * @return A list of possible tokensInPlay for this race
+     */
+    private ArrayList<Token> makeTokens() {
+        Token token1 = new Token(TokenType.BOOST, 57.66946, 11.83154);
+        Token token2 = new Token(TokenType.BOOST, 57.66877, 11.83382);
+        Token token3 = new Token(TokenType.BOOST, 57.66914, 11.83965);
+        Token token4 = new Token(TokenType.BOOST, 57.66684, 11.83214);
+        return new ArrayList<>(Arrays.asList(token1, token2, token3, token4));
+    }
+
+    public static String getHostIpAddress() {
+        return hostIpAddress;
+    }
+
+    public static Set<Mark> getMarks() {
+        return Collections.unmodifiableSet(marks);
+    }
+
+    public static List<Player> getPlayers() {
+        return players;
+    }
+
+    public static List<Token> getTokensInPlay() {
+        return tokensInPlay;
+    }
+
+    public static void addPlayer(Player player) {
+        players.add(player);
+        String playerText = player.getYacht().getSourceId() + " " + player.getYacht().getBoatName()
+            + " " + player.getYacht().getCountry();
+        playerStringMap.put(player, playerText);
+    }
+
+    public static void removePlayer(Player player) {
+        players.remove(player);
+        playerStringMap.remove(player);
+    }
+
+    public static void addYacht(Integer sourceId, ServerYacht yacht) {
+        yachts.put(sourceId, yacht);
+    }
+
+    public static void removeYacht(Integer yachtId) {
+        yachts.remove(yachtId);
+    }
+
+    public static Boolean getIsRaceStarted() {
+        return isRaceStarted;
+    }
+
+    public static GameStages getCurrentStage() {
+        return currentStage;
+    }
+
+    public static void setCurrentStage(GameStages currentStage) {
+        GameState.currentStage = currentStage;
+    }
+
+    public static MarkOrder getMarkOrder() {
+        return markOrder;
+    }
+
+    public static long getStartTime() {
+        return startTime;
+    }
+
+    public static void resetStartTime(){
+        startTime = System.currentTimeMillis() + TIME_TILL_START;
+    }
+
+    public static Double getWindDirection() {
+        return windDirection;
+    }
+
+    public static void setWindDirection(Double newWindDirection) {
+        windDirection = newWindDirection;
+    }
+
+    public static void setWindSpeed(Double newWindSpeed) {
+        windSpeed = newWindSpeed;
+    }
+
+    public static Double getWindSpeedMMS() {
+        return windSpeed;
+    }
+
+    public static Double getWindSpeedKnots() {
+        return GeoUtility.mmsToKnots(windSpeed); // TODO: 26/07/17 cir27 - remove magic numbers
+    }
+
+    public static Map<Integer, ServerYacht> getYachts() {
+        return yachts;
+    }
+
+
+    /**
+     * Generates a new ID based off the size of current players + 1
+     *
+     * @return a playerID to be allocated to a new connetion
+     */
+    public static Integer getUniquePlayerID() {
+        // TODO: 22/07/17 wmu16 - This may not be robust enough and may have to be improved on.
+        return yachts.size() + 1;
+    }
+
+
+    /**
+     * A thread to have the game state update itself at certain intervals
+     */
+    @Override
+    public void run() {
+
+        while (currentStage != GameStages.FINISHED) {
+            try {
+                Thread.sleep(1000 / STATE_UPDATES_PER_SECOND);
+            } catch (InterruptedException e) {
+                System.out.println("[GameState] interrupted exception");
+            }
+            if (currentStage == GameStages.PRE_RACE || currentStage == GameStages.RACING) {
+                update();
+            }
+
+            if (currentStage == GameStages.RACING) {
+                update();
+            }
+        }
+    }
+
+    public static void updateBoat(Integer sourceId, BoatAction actionType) {
+        ServerYacht playerYacht = yachts.get(sourceId);
+        switch (actionType) {
+            case VMG:
+                playerYacht.turnToVMG();
+                break;
+            case SAILS_IN:
+                playerYacht.toggleSailIn();
+                break;
+            case SAILS_OUT:
+                playerYacht.toggleSailIn();
+                break;
+            case TACK_GYBE:
+                playerYacht.tackGybe(windDirection);
+                break;
+            case UPWIND:
+                playerYacht.turnUpwind();
+                break;
+            case DOWNWIND:
+                playerYacht.turnDownwind();
+                break;
+        }
+    }
+
+    /**
+     * Randomly select a subset of tokensInPlay from a pre defined superset
+     * Broadasts a new race status message to show this update
+     */
+    public static void spawnNewToken() {
+        Random random = new Random();
+        tokensInPlay.clear();
+
+        //Get a random token location with random type
+        Token token = allTokens.get(random.nextInt(allTokens.size()));
+        token.assignRandomType();
+
+        tokensInPlay.add(token);
+    }
+
+    /**
+     * Called periodically in this GameState thread to update the GameState values.
+     * -Updates yachts velocity
+     * -Updates locations
+     * -Checks for collisions
+     * -Checks for progression
+     *
+     * -Also checks things like the end of the race and race start time etc
+     */
+    public void update() {
+        Boolean raceFinished = true;
+
+        Double timeInterval = (System.currentTimeMillis() - previousUpdateTime) / 1000000.0;
+        previousUpdateTime = System.currentTimeMillis();
+        if (System.currentTimeMillis() > startTime) {
+            GameState.setCurrentStage(GameStages.RACING);
+        }
+        for (ServerYacht yacht : yachts.values()) {
+            updateVelocity(yacht);
+            checkPowerUpTimeout(yacht);
+            yacht.runAutoPilot();
+            yacht.updateLocation(timeInterval);
+            checkCollision(yacht);
+            if (yacht.getBoatStatus() != BoatStatus.FINISHED) {
+                checkForLegProgression(yacht);
+                raceFinished = false;
+            }
+        }
+
+        if (raceFinished) {
+            currentStage = GameStages.FINISHED;
+        }
+    }
+
+
+    private void checkPowerUpTimeout(ServerYacht yacht) {
+        if (yacht.getPowerUp() != null) {
+            if (System.currentTimeMillis() - yacht.getPowerUpStartTime() > POWERUP_TIMEOUT_MS) {
+                yacht.powerDown();
+                sendServerMessage(yacht.getSourceId(), yacht.getBoatName() + "'s power-up token expired");
+                logger.debug("Yacht: " + yacht.getShortName() + " powered down!");
+            }
+        }
+    }
+
+
+    /**
+     * Check if the yacht has crossed the course limit
+     *
+     * @param yacht the yacht to be tested
+     * @return a boolean value of if there is a boundary collision
+     */
+    private static Boolean checkBoundaryCollision(ServerYacht yacht) {
+        for (int i = 0; i < courseLimit.size() - 1; i++) {
+            if (GeoUtility.checkCrossedLine(courseLimit.get(i), courseLimit.get(i + 1),
+                yacht.getLastLocation(), yacht.getLocation()) != 0) {
+                return true;
+            }
+        }
+        if (GeoUtility.checkCrossedLine(courseLimit.get(courseLimit.size() - 1), courseLimit.get(0),
+            yacht.getLastLocation(), yacht.getLocation()) != 0) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Checks all tokensInPlay to see if a yacht has picked one up
+     * @return Token which was collided with
+     * @param serverYacht The yacht to check for collision with a token
+     */
+    private static Token checkTokenPickUp(ServerYacht serverYacht) {
+        for (Token token : tokensInPlay) {
+            Double distance = GeoUtility.getDistance(token, serverYacht.getLocation());
+            if (distance < YACHT_COLLISION_DISTANCE) {
+                return token;
+            }
+        }
+
+        return null;
+    }
+
+
+    /**
+     * Checks for collision with other in game objects for the given serverYacht. To be called each
+     * update. If there is a collision, Notifies the server to send the appropriate messages out.
+     * Checks for these items in turn:
+     * - Other yachts
+     * - Marks
+     * - Boundary
+     * - Tokens
+     *
+     * @param serverYacht The server yacht to check collisions with
+     */
+    public static void checkCollision(ServerYacht serverYacht) {
+        //Yacht Collision
+        ServerYacht collidedYacht = checkYachtCollision(serverYacht);
+        Mark collidedMark = checkMarkCollision(serverYacht);
+        Token collidedToken = checkTokenPickUp(serverYacht);
+
+        if (collidedYacht != null) {
+            GeoPoint originalLocation = serverYacht.getLocation();
+            serverYacht.setLocation(
+                calculateBounceBack(serverYacht, originalLocation, BOUNCE_DISTANCE_YACHT)
+            );
+            serverYacht.setCurrentVelocity(
+                serverYacht.getCurrentVelocity() * COLLISION_VELOCITY_PENALTY
+            );
+            collidedYacht.setLocation(
+                calculateBounceBack(collidedYacht, originalLocation, BOUNCE_DISTANCE_YACHT)
+            );
+            collidedYacht.setCurrentVelocity(
+                collidedYacht.getCurrentVelocity() * COLLISION_VELOCITY_PENALTY
+            );
+            notifyMessageListeners(MessageFactory.makeCollisionMessage(serverYacht));
+        }
+
+        //Mark Collision
+        else if (collidedMark != null) {
+            serverYacht.setLocation(
+                calculateBounceBack(serverYacht, collidedMark, BOUNCE_DISTANCE_MARK)
+            );
+
+            serverYacht.setCurrentVelocity(
+                serverYacht.getCurrentVelocity() * COLLISION_VELOCITY_PENALTY
+            );
+            notifyMessageListeners(MessageFactory.makeCollisionMessage(serverYacht));
+        }
+
+        //Boundary Collision
+        else if (checkBoundaryCollision(serverYacht)) {
+            serverYacht.setLocation(
+                calculateBounceBack(serverYacht, serverYacht.getLocation(),
+                    BOUNCE_DISTANCE_YACHT)
+            );
+
+            serverYacht.setCurrentVelocity(
+                serverYacht.getCurrentVelocity() * COLLISION_VELOCITY_PENALTY
+            );
+            notifyMessageListeners(MessageFactory.makeCollisionMessage(serverYacht));
+        }
+
+        //Token Collision
+        if (collidedToken != null) {
+            if (collidedToken.getTokenType() == TokenType.RANDOM) {
+                collidedToken.realiseRandom();
+            }
+            sendServerMessage(serverYacht.getSourceId(),
+                serverYacht.getBoatName() + " has picked up a " + collidedToken.getTokenType()
+                    .getName() + " token");
+            tokensInPlay.remove(collidedToken);
+            serverYacht.powerUp(collidedToken.getTokenType());
+            logger.debug("Yacht: " + serverYacht.getShortName() + " got powerup " + collidedToken
+                .getTokenType());
+            notifyMessageListeners(MessageFactory.getRaceXML());
+            notifyMessageListeners(MessageFactory.makePickupMessage(serverYacht, collidedToken));
+        }
+    }
+
+
+    private void updateVelocity(ServerYacht yacht) {
+        Double trueWindAngle = Math.abs(windDirection - yacht.getHeading());
+        Double boatSpeedInKnots = PolarTable.getBoatSpeed(getWindSpeedKnots(), trueWindAngle);
+        Double maxBoatSpeed = GeoUtility.knotsToMMS(boatSpeedInKnots) * speedMultiplier;
+        if (yacht.getPowerUp() != null) {
+            if (yacht.getPowerUp().equals(TokenType.BOOST)) {
+                maxBoatSpeed *= VELOCITY_BOOST_MULTIPLIER;
+            }
+        }
+
+        Double currentVelocity = yacht.getCurrentVelocity();
+        // TODO: 15/08/17 remove magic numbers from these equations.
+        if (yacht.getSailIn()) {
+            if (currentVelocity < maxBoatSpeed - 500) {
+                yacht.changeVelocity(maxBoatSpeed / 100);
+            } else if (currentVelocity > maxBoatSpeed + 500) {
+                yacht.changeVelocity(-currentVelocity / 200);
+            } else {
+                yacht.setCurrentVelocity(maxBoatSpeed);
+            }
+        } else {
+            if (currentVelocity > 3000) {
+                yacht.changeVelocity(-currentVelocity / 200);
+            } else if (currentVelocity > 100) {
+                yacht.changeVelocity(-currentVelocity / 50);
+            } else if (currentVelocity <= 100) {
+                yacht.setCurrentVelocity(0d);
+            }
+        }
+    }
+
+
+    /**
+     * Calculates the distance to the next mark (closest of the two if a gate mark). For purposes of
+     * mark rounding
+     *
+     * @return A distance in metres. Returns -1 if there is no next mark
+     * @throws IndexOutOfBoundsException If the next mark is null (ie the last mark in the race)
+     * Check first using {@link seng302.model.mark.MarkOrder#isLastMark(Integer)}
+     */
+    private Double calcDistanceToCurrentMark(ServerYacht yacht) throws IndexOutOfBoundsException {
+        Integer currentMarkSeqID = yacht.getCurrentMarkSeqID();
+        CompoundMark currentMark = markOrder.getCurrentMark(currentMarkSeqID);
+        GeoPoint location = yacht.getLocation();
+
+        if (currentMark.isGate()) {
+            Mark sub1 = currentMark.getSubMark(1);
+            Mark sub2 = currentMark.getSubMark(2);
+            Double distance1 = GeoUtility.getDistance(location, sub1);
+            Double distance2 = GeoUtility.getDistance(location, sub2);
+            if (distance1 < distance2) {
+                yacht.setClosestCurrentMark(sub1);
+                return distance1;
+            } else {
+                yacht.setClosestCurrentMark(sub2);
+                return distance2;
+            }
+        } else {
+            yacht.setClosestCurrentMark(currentMark.getSubMark(1));
+            return GeoUtility.getDistance(location, currentMark.getSubMark(1));
+        }
+    }
+
+
+    /**        lobbyController.setPlayerListSource(clientLobbyList);
+     * 4 Different cases of progression in the race 1 - Passing the start line 2 - Passing any
+     * in-race Gate 3 - Passing any in-race Mark 4 - Passing the finish line
+     *
+     * @param yacht the current yacht to check for progression
+     */
+    private void checkForLegProgression(ServerYacht yacht) {
+        Integer currentMarkSeqID = yacht.getCurrentMarkSeqID();
+        CompoundMark currentMark = markOrder.getCurrentMark(currentMarkSeqID);
+
+        Boolean hasProgressed;
+        if (currentMarkSeqID == 0) {
+            hasProgressed = checkStartLineCrossing(yacht);
+        } else if (markOrder.isLastMark(currentMarkSeqID)) {
+            hasProgressed = checkFinishLineCrossing(yacht);
+        } else if (currentMark.isGate()) {
+            hasProgressed = checkGateRounding(yacht);
+        } else {
+            hasProgressed = checkMarkRounding(yacht);
+        }
+
+        if (hasProgressed) {
+            if (currentMarkSeqID != 0 && !markOrder.isLastMark(currentMarkSeqID)) {
+                sendServerMessage(yacht.getSourceId(), yacht.getBoatName() + " passed leg " + yacht.getLegNumber());
+            }
+            yacht.incrementLegNumber();
+            sendMarkRoundingMessage(yacht);
+            logMarkRounding(yacht);
+            yacht.setHasPassedLine(false);
+            yacht.setHasEnteredRoundingZone(false);
+            yacht.setHasPassedThroughGate(false);
+            if (!markOrder.isLastMark(currentMarkSeqID)) {
+                yacht.incrementMarkSeqID();
+            }
+        }
+    }
+
+
+    /**
+     * If we pass the start line gate in the correct direction, progress
+     *
+     * @param yacht The current yacht to check for
+     */
+    private Boolean checkStartLineCrossing(ServerYacht yacht) {
+        Integer currentMarkSeqID = yacht.getCurrentMarkSeqID();
+        CompoundMark currentMark = markOrder.getCurrentMark(currentMarkSeqID);
+        GeoPoint lastLocation = yacht.getLastLocation();
+        GeoPoint location = yacht.getLocation();
+
+        Mark mark1 = currentMark.getSubMark(1);
+        Mark mark2 = currentMark.getSubMark(2);
+        CompoundMark nextMark = markOrder.getNextMark(currentMarkSeqID);
+
+        Integer crossedLine = GeoUtility.checkCrossedLine(mark1, mark2, lastLocation, location);
+        if (crossedLine > 0) {
+            Boolean isClockwiseCross = GeoUtility.isClockwise(mark1, mark2, nextMark.getMidPoint());
+            if (crossedLine == 2 && isClockwiseCross || crossedLine == 1 && !isClockwiseCross) {
+                yacht.setClosestCurrentMark(mark1);
+                yacht.setBoatStatus(BoatStatus.RACING);
+                sendServerMessage(yacht.getSourceId(), yacht.getBoatName() + " passed start line");
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+
+    /**
+     * This algorithm checks for mark rounding. And increments the currentMarSeqID number attribute
+     * of the yacht if so. A visual representation of this algorithm can be seen on the Wiki under
+     * 'mark passing algorithm'
+     *
+     * @param yacht The current yacht to check for
+     */
+    private Boolean checkMarkRounding(ServerYacht yacht) {
+        Integer currentMarkSeqID = yacht.getCurrentMarkSeqID();
+        CompoundMark currentMark = markOrder.getCurrentMark(currentMarkSeqID);
+        GeoPoint lastLocation = yacht.getLastLocation();
+        GeoPoint location = yacht.getLocation();
+        GeoPoint nextPoint = markOrder.getNextMark(currentMarkSeqID).getMidPoint();
+        GeoPoint prevPoint = markOrder.getPreviousMark(currentMarkSeqID).getMidPoint();
+        GeoPoint midPoint = GeoUtility.getDirtyMidPoint(nextPoint, prevPoint);
+
+        if (calcDistanceToCurrentMark(yacht) < ROUNDING_DISTANCE) {
+            yacht.setHasEnteredRoundingZone(true);
+        }
+
+        //In case current mark is a gate, loop through all marks just in case
+        for (Mark thisCurrentMark : currentMark.getMarks()) {
+            if (GeoUtility.isPointInTriangle(lastLocation, location, midPoint, thisCurrentMark)) {
+                yacht.setHasPassedLine(true);
+            }
+        }
+
+        return yacht.hasPassedLine() && yacht.hasEnteredRoundingZone();
+    }
+
+
+    /**
+     * Checks if a gate line has been crossed and in the correct direction
+     *
+     * @param yacht The current yacht to check for
+     */
+    private Boolean checkGateRounding(ServerYacht yacht) {
+        Integer currentMarkSeqID = yacht.getCurrentMarkSeqID();
+        CompoundMark currentMark = markOrder.getCurrentMark(currentMarkSeqID);
+        GeoPoint lastLocation = yacht.getLastLocation();
+        GeoPoint location = yacht.getLocation();
+
+        Mark mark1 = currentMark.getSubMark(1);
+        Mark mark2 = currentMark.getSubMark(2);
+        CompoundMark prevMark = markOrder.getPreviousMark(currentMarkSeqID);
+        CompoundMark nextMark = markOrder.getNextMark(currentMarkSeqID);
+
+        Integer crossedLine = GeoUtility.checkCrossedLine(mark1, mark2, lastLocation, location);
+
+        //We have crossed the line
+        if (crossedLine > 0) {
+            Boolean isClockwiseCross = GeoUtility.isClockwise(mark1, mark2, prevMark.getMidPoint());
+
+            //Check we cross the line in the correct direction
+            if (crossedLine == 1 && isClockwiseCross || crossedLine == 2 && !isClockwiseCross) {
+                yacht.setHasPassedThroughGate(true);
+            }
+        }
+
+        Boolean prevMarkSide = GeoUtility.isClockwise(mark1, mark2, prevMark.getMidPoint());
+        Boolean nextMarkSide = GeoUtility.isClockwise(mark1, mark2, nextMark.getMidPoint());
+
+        if (yacht.hasPassedThroughGate()) {
+            //Check if we need to round this gate after passing through
+            if (prevMarkSide == nextMarkSide) {
+                return checkMarkRounding(yacht);
+            } else {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * If we pass the finish gate in the correct direction
+     *
+     * @param yacht The current yacht to check for
+     */
+    private Boolean checkFinishLineCrossing(ServerYacht yacht) {
+        Integer currentMarkSeqID = yacht.getCurrentMarkSeqID();
+        CompoundMark currentMark = markOrder.getCurrentMark(currentMarkSeqID);
+        GeoPoint lastLocation = yacht.getLastLocation();
+        GeoPoint location = yacht.getLocation();
+
+        Mark mark1 = currentMark.getSubMark(1);
+        Mark mark2 = currentMark.getSubMark(2);
+        CompoundMark prevMark = markOrder.getPreviousMark(currentMarkSeqID);
+
+        Integer crossedLine = GeoUtility.checkCrossedLine(mark1, mark2, lastLocation, location);
+        if (crossedLine > 0) {
+            Boolean isClockwiseCross = GeoUtility.isClockwise(mark1, mark2, prevMark.getMidPoint());
+            if (crossedLine == 1 && isClockwiseCross || crossedLine == 2 && !isClockwiseCross) {
+                yacht.setClosestCurrentMark(mark1);
+                yacht.setBoatStatus(BoatStatus.FINISHED);
+                sendServerMessage(yacht.getSourceId(), yacht.getBoatName() + " passed finish line");
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Handles player customization.
+     *
+     * @param playerID The ID of the player being modified.
+     * @param requestType the type of player customization the player wants
+     * @param customizeData the data related to the customization (color, name, shape)
+     */
+    public static void customizePlayer(long playerID, CustomizeRequestType requestType,
+        byte[] customizeData) {
+        ServerYacht playerYacht = yachts.get((int) playerID);
+
+        if (requestType.equals(CustomizeRequestType.NAME)) {
+            String name = new String(customizeData);
+            playerYacht.setBoatName(name);
+        } else if (requestType.equals(CustomizeRequestType.COLOR)) {
+            int red = customizeData[0] & 0xFF;
+            int green = customizeData[1] & 0xFF;
+            int blue = customizeData[2] & 0xFF;
+            Color yachtColor = Color.rgb(red, green, blue);
+            playerYacht.setBoatColor(yachtColor);
+        }
+    }
+
+    private static Mark checkMarkCollision(ServerYacht yacht) {
+        Set<Mark> marksInRace = GameState.getMarks();
+        for (Mark mark : marksInRace) {
+            if (GeoUtility.getDistance(yacht.getLocation(), mark)
+                <= MARK_COLLISION_DISTANCE) {
+                return mark;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Calculate the new position of the boat after it has had a collision
+     *
+     * @return The boats new position
+     */
+    private static GeoPoint calculateBounceBack(ServerYacht yacht, GeoPoint collidedWith,
+        Double bounceDistance) {
+        Double heading = GeoUtility.getBearing(yacht.getLastLocation(), collidedWith);
+        // Invert heading
+        heading -= 180;
+        Integer newHeading = Math.floorMod(heading.intValue(), 360);
+        return GeoUtility
+            .getGeoCoordinate(yacht.getLocation(), newHeading.doubleValue(), bounceDistance);
+    }
+
+    /**
+     * Collision detection which iterates through all the yachts and check if any yacht collided
+     * with this yacht. Return collided yacht or null if no collision.
+     *
+     * @return yacht to compare to all other yachts.
+     */
+    private static ServerYacht checkYachtCollision(ServerYacht yacht) {
+
+        for (ServerYacht otherYacht : GameState.getYachts().values()) {
+            if (otherYacht != yacht) {
+                Double distance = GeoUtility
+                    .getDistance(otherYacht.getLocation(), yacht.getLocation());
+                if (distance < YACHT_COLLISION_DISTANCE) {
+                    return otherYacht;
+                }
+            }
+        }
+        return null;
+    }
+
+    private void sendMarkRoundingMessage(ServerYacht yacht) {
+        Integer sourceID = yacht.getSourceId();
+        Integer currentMarkSeqID = yacht.getCurrentMarkSeqID();
+        CompoundMark currentMark = markOrder.getCurrentMark(currentMarkSeqID);
+        MarkType markType = (currentMark.isGate()) ? MarkType.GATE : MarkType.ROUNDING_MARK;
+        Mark roundingMark = yacht.getClosestCurrentMark();
+
+        // TODO: 13/8/17 figure out the rounding side, rounded mark source ID and boat status.
+        Message markRoundingMessage = new MarkRoundingMessage(0, 0,
+            sourceID, RoundingBoatStatus.RACING, roundingMark.getRoundingSide(), markType,
+            currentMarkSeqID + 1);
+
+        notifyMessageListeners(markRoundingMessage);
+    }
+
+    private static void notifyMessageListeners(Message message) {
+        for (NewMessageListener ml : newMessageListeners) {
+            ml.notify(message);
+        }
+    }
+
+    private void logMarkRounding(ServerYacht yacht) {
+        Mark roundingMark = yacht.getClosestCurrentMark();
+        logger.debug(
+            String.format("Yacht srcID(%d) passed Mark srcID(%d)", yacht.getSourceId(),
+                roundingMark.getSourceID()));
+    }
+
+
+    public static void sendServerMessage(Integer messageType, String message) {
+        notifyMessageListeners(new ChatterMessage(
+            messageType, "SERVER: " + message
+        ));
+    }
+
+    public static void processChatter(ChatterMessage chatterMessage, boolean isHost) {
+        String chatterText = chatterMessage.getMessage();
+        String[] words = chatterText.split("\\s+");
+        if (words.length > 2 && isHost) {
+            switch (words[2].trim()) {
+                case "/speed":
+                    try {
+                        setSpeedMultiplier(Double.valueOf(words[3]));
+                        sendServerMessage(chatterMessage.getMessage_type(),
+                                "Speed modifier set to x" + words[3]);
+                    } catch (Exception e) {
+                        Logger logger = LoggerFactory.getLogger(GameState.class);
+                        logger.error("cannot parse >speed value");
+                    }
+                    return;
+                case "/finish":
+                    sendServerMessage(chatterMessage.getMessage_type(),
+                            "Game will now finish");
+                    endRace();
+                    return;
+            }
+        }
+        notifyMessageListeners(chatterMessage);
+    }
+
+    public static void addMessageEventListener(NewMessageListener listener) {
+        newMessageListeners.add(listener);
+    }
+
+    public static void setCustomizationFlag() {
+        customizationFlag = true;
+    }
+
+    public static Boolean getCustomizationFlag() {
+        return customizationFlag;
+    }
+
+    public static void resetCustomizationFlag() {
+        customizationFlag = false;
+    }
+
+    public static void setPlayerHasLeftFlag(Boolean flag) {
+        playerHasLeftFlag = flag;
+    }
+
+    public static Boolean getPlayerHasLeftFlag() {
+        return playerHasLeftFlag;
+    }
+
+    public static Integer getNumberOfPlayers(){
+        Integer numPlayers = 1;
+
+        for(Player p : getPlayers()){
+            if(p.getSocket().isConnected()){
+                numPlayers++;
+            }
+        }
+
+        return numPlayers;
+    }
+
+    public static Integer getCapacity(){
+        return maxPlayers;
+    }
+
+    public static void setMaxPlayers(Integer newMax){
+        maxPlayers = newMax;
+    }
+
+    public static void endRace () {
+        yachts.forEach((id, yacht) -> yacht.setBoatStatus(BoatStatus.FINISHED));
+        currentStage = GameStages.FINISHED;
+    }
+
+    public static void setSpeedMultiplier (double multiplier) {
+        speedMultiplier = multiplier;
+    }
+
+    public static double getSpeedMultiplier () {
+        return speedMultiplier;
+    }
+}

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

@@ -0,0 +1,90 @@
+package seng302.gameServer;
+
+import java.io.IOException;
+import java.util.Stack;
+import java.util.Timer;
+import java.util.TimerTask;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import seng302.model.Player;
+import seng302.gameServer.messages.Heartbeat;
+import seng302.gameServer.messages.Message;
+
+/**
+ * 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 implements Runnable {
+
+    private Logger logger = LoggerFactory.getLogger(HeartbeatThread.class);
+
+    private final int HEARTBEAT_PERIOD = 200;
+    private ClientConnectionDelegate delegate;
+    private Integer seqNum;
+    private Stack<Player> disconnectedPlayers;
+
+    public HeartbeatThread(ClientConnectionDelegate delegate){
+        this.delegate =  delegate;
+        seqNum = 0;
+        disconnectedPlayers = new Stack<>();
+
+        Thread thread = new Thread(this, "HeartBeat");
+        thread.start();
+    }
+
+    /**
+     * 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(){
+        try {
+            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++;
+        } catch (NullPointerException ne) {
+            logger.debug("Socket closed between checking for connection and sending heartbeat");
+        }
+    }
+
+    /**
+     * 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 +1,368 @@
+package seng302.gameServer;
+
+import java.io.IOException;
+import java.io.StringReader;
+import java.net.ServerSocket;
+import java.util.ArrayList;
+import java.util.Random;
+import java.util.Timer;
+import java.util.TimerTask;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.w3c.dom.Document;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+import seng302.gameServer.messages.Message;
+import seng302.model.GeoPoint;
+import seng302.model.Player;
+import seng302.model.PolarTable;
+import seng302.model.ServerYacht;
+import seng302.model.mark.CompoundMark;
+import seng302.model.stream.xml.parser.RegattaXMLData;
+import seng302.utilities.GeoUtility;
+import seng302.utilities.XMLGenerator;
+import seng302.utilities.XMLParser;
+
+/**
+ * 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 implements Runnable, ClientConnectionDelegate {
+
+    private Logger logger = LoggerFactory.getLogger(MainServerThread.class);
+
+    private static final int PORT = 4942;
+    private static final Integer CLIENT_UPDATES_PER_SECOND = 60;
+
+    private static final int MAX_WIND_SPEED = 12000;
+    private static final int MIN_WIND_SPEED = 8000;
+
+    private boolean terminated;
+
+    private Thread thread;
+
+    private ServerSocket serverSocket = null;
+    private ArrayList<ServerToClientThread> serverToClientThreads = new ArrayList<>();;
+    private static Integer capacity;
+
+    private void startAdvertisingServer() {
+        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+        DocumentBuilder db;
+        Document doc;
+        XMLGenerator generator = new XMLGenerator();
+
+        try {
+            db = dbf.newDocumentBuilder();
+            String regatta = generator.getRegattaAsXml();
+            StringReader stringReader = new StringReader(regatta);
+            InputSource is = new InputSource(stringReader);
+            doc = db.parse(is);
+        } catch (ParserConfigurationException | IOException | SAXException e) {
+            logger.warn("Couldn't load race regatta");
+            return;
+        }
+
+        RegattaXMLData regattaXMLData = XMLParser.parseRegatta(doc);
+
+
+        Integer capacity = GameState.getCapacity();
+        Integer numPlayers = GameState.getNumberOfPlayers();
+        Integer spacesLeft = capacity - numPlayers;
+
+        // No spaces left on server
+        if (spacesLeft < 1) {
+            return;
+        }
+
+        // Start advertising server
+        try {
+            ServerAdvertiser.getInstance().setMapName(regattaXMLData.getCourseName()).setCapacity(capacity).setNumberOfPlayers(numPlayers);
+            ServerAdvertiser.getInstance().registerGame(PORT, regattaXMLData.getRegattaName());
+        } catch (IOException e) {
+            logger.warn("Could not register server");
+        }
+    }
+
+    public MainServerThread() {
+        new GameState("localhost");
+        try {
+            serverSocket = new ServerSocket(PORT);
+        } catch (IOException e) {
+            logger.trace("IO error in server thread handler upon trying to make new server socket",
+                0);
+        }
+
+        startAdvertisingServer();
+
+        PolarTable.parsePolarFile(getClass().getResourceAsStream("/config/acc_polars.csv"));
+        GameState.addMessageEventListener(this::broadcastMessage);
+        terminated = false;
+        thread = new Thread(this, "MainServer");
+        startUpdatingWind();
+        startSpawningTokens();
+        thread.start();
+    }
+
+
+    public void run() {
+
+        new HeartbeatThread(this);
+        new ServerListenThread(serverSocket, this);
+
+        //You should handle interrupts in some way, so that the thread won't keep on forever if you exit the app.
+        while (!terminated) {
+            if (GameState.getPlayerHasLeftFlag()) {
+                for (ServerToClientThread stc : serverToClientThreads) {
+                    if (!stc.isSocketOpen()) {
+                        GameState.getYachts().remove(stc.getSourceId());
+                        sendSetupMessages();
+                        try {
+                            stc.getSocket().close();
+                        } catch (IOException e) {
+                            e.printStackTrace();
+                        }
+                    }
+                }
+                GameState.setPlayerHasLeftFlag(false);
+            }
+            try {
+                Thread.sleep(1000 / CLIENT_UPDATES_PER_SECOND);
+            } catch (InterruptedException e) {
+                logger.trace("Interrupted exception in Main Server Thread thread sleep", 1);
+            }
+            if (GameState.getCurrentStage() == GameStages.LOBBYING && GameState
+                .getCustomizationFlag()) {
+                sendSetupMessages();
+                GameState.resetCustomizationFlag();
+            }
+
+            if (GameState.getCurrentStage() == GameStages.PRE_RACE) {
+                sendBoatLocations();
+            }
+
+            //RACING
+            if (GameState.getCurrentStage() == GameStages.RACING) {
+                sendBoatLocations();
+            }
+
+            //FINISHED
+            else if (GameState.getCurrentStage() == GameStages.FINISHED) {
+                broadcastMessage(MessageFactory.getRaceStatusMessage());
+                try {
+                    Thread.sleep(1000); //Hackish fix to make sure all threads have sent closing RaceStatus
+                    terminate();
+                } catch (InterruptedException ie) {
+                    logger.trace("Thread interrupted while waiting to terminate clients", 1);
+                }
+            }
+        }
+        try {
+            for (ServerToClientThread serverToClientThread : serverToClientThreads) {
+                serverToClientThread.terminate();
+            }
+            serverSocket.close();
+        } catch (IOException e) {
+            System.out.println("IO error in server thread handler upon closing socket");
+        }
+    }
+
+    private void sendBoatLocations() {
+        for (ServerYacht serverYacht : GameState.getYachts().values()) {
+            broadcastMessage(MessageFactory.getBoatLocationMessage(serverYacht));
+        }
+    }
+
+    private void sendSetupMessages() {
+        broadcastMessage(MessageFactory.getRaceXML());
+        broadcastMessage(MessageFactory.getRegattaXML());
+        broadcastMessage(MessageFactory.getBoatXML());
+    }
+
+    private void broadcastMessage(Message message) {
+        for (ServerToClientThread serverToClientThread : serverToClientThreads) {
+            serverToClientThread.sendMessage(message);
+        }
+    }
+
+    private static void updateWind(){
+        Integer direction = GameState.getWindDirection().intValue();
+        Integer windSpeed = GameState.getWindSpeedMMS().intValue();
+
+        Random random = new Random();
+
+        if (Math.floorMod(random.nextInt(), 2) == 0){
+            direction += random.nextInt(4);
+            windSpeed += random.nextInt(20) + 459;
+        }
+        else{
+            direction -= random.nextInt(4);
+            windSpeed -= random.nextInt(20) + 459;
+        }
+
+        direction = Math.floorMod(direction, 360);
+
+        if (windSpeed > MAX_WIND_SPEED){
+            windSpeed -= random.nextInt(500);
+        }
+
+        if (windSpeed <= MIN_WIND_SPEED){
+            windSpeed += random.nextInt(500);
+        }
+
+        GameState.setWindSpeed(Double.valueOf(windSpeed));
+        GameState.setWindDirection(direction.doubleValue());
+    }
+
+
+
+
+    // TODO: 29/08/17 wmu16 - This sort of update should be in game state
+    private static void startUpdatingWind(){
+        Timer timer = new Timer();
+        timer.schedule(new TimerTask() {
+            @Override
+            public void run() {
+                updateWind();
+            }
+        }, 0, 500);
+    }
+
+    /**
+     * Start spawning coins every 60s after the first minute
+     */
+    private void startSpawningTokens() {
+        Timer timer = new Timer();
+        timer.schedule(new TimerTask() {
+            @Override
+            public void run() {
+                GameState.spawnNewToken();
+                broadcastMessage(MessageFactory.getRaceXML());
+            }
+        }, 10000, 60000);
+    }
+
+    /**
+     * A client has tried to connect to the server
+     *
+     * @param serverToClientThread The player that connected
+     */
+    @Override
+    public void clientConnected(ServerToClientThread serverToClientThread) {
+        logger.debug("Player Connected From " + serverToClientThread.getThread().getName(), 0);
+        if (serverToClientThreads.size() == 0) { //Sets first client as host.
+            serverToClientThread.setAsHost();
+        }
+        serverToClientThreads.add(serverToClientThread);
+        serverToClientThread.addConnectionListener(this::sendSetupMessages);
+        serverToClientThread.addDisconnectListener(this::clientDisconnected);
+
+        try {
+            ServerAdvertiser.getInstance().setNumberOfPlayers(GameState.getNumberOfPlayers());
+        } catch (IOException e) {
+            logger.warn("Couldn't update advertisement");
+        }
+    }
+
+    /**
+     * A player has left the game, remove the player from the GameState
+     *
+     * @param player The player that left
+     */
+    @Override
+    public void clientDisconnected(Player player) {
+        logger.debug("Player " + player.getYacht().getSourceId() + "'s socket disconnected", 0);
+        GameState.removeYacht(player.getYacht().getSourceId());
+        GameState.removePlayer(player);
+        ServerToClientThread closedConnection = null;
+        for (ServerToClientThread serverToClientThread : serverToClientThreads) {
+            if (serverToClientThread.getSocket() == player.getSocket()) {
+                closedConnection = serverToClientThread;
+            } else if (GameState.getCurrentStage() != GameStages.RACING){
+                serverToClientThread.sendSetupMessages();
+            }
+        }
+        serverToClientThreads.remove(closedConnection);
+
+        try {
+            ServerAdvertiser.getInstance().setNumberOfPlayers(GameState.getNumberOfPlayers());
+        } catch (IOException e) {
+            logger.warn("Couldn't update advertisement");
+        }
+
+        closedConnection.terminate();
+    }
+
+    public void startGame() {
+        try {
+            ServerAdvertiser.getInstance().unregister();
+        } catch (IOException e) {
+            logger.warn("Error unregistering server");
+        }
+
+        initialiseBoatPositions();
+        Timer t = new Timer();
+
+        t.schedule(new TimerTask() {
+            @Override
+            public void run() {
+                broadcastMessage(MessageFactory.getRaceStatusMessage());
+                if (GameState.getCurrentStage() == GameStages.PRE_RACE
+                        || GameState.getCurrentStage() == GameStages.LOBBYING) {
+                    broadcastMessage(MessageFactory.getRaceStartStatusMessage());
+                }
+            }
+        }, 0, 500);
+
+
+        if (GameState.getCurrentStage() == GameStages.LOBBYING) {
+            sendSetupMessages();
+        }
+    }
+
+    public void terminate() {
+        terminated = true;
+    }
+
+    /**
+     * Initialise boats to specific spaced out geopoints behind starting line.
+     */
+    private void initialiseBoatPositions() {
+        CompoundMark cm = GameState.getMarkOrder().getMarkOrder().get(0);
+        GeoPoint startMark1 = cm.getSubMark(1);
+        GeoPoint startMark2 = cm.getSubMark(2);
+
+        // Calculating midpoint
+        Double perpendicularAngle = GeoUtility.getBearing(startMark1, startMark2);
+        Double length = GeoUtility.getDistance(startMark1, startMark2);
+        GeoPoint midpoint = GeoUtility.getGeoCoordinate(startMark1, perpendicularAngle, length / 2);
+
+        // Setting each boats position side by side
+        double DISTANCE_FACTOR = 50.0;  // distance apart in meters
+        int boatIndex = 0;
+        for (ServerYacht yacht : GameState.getYachts().values()) {
+            int distanceApart = boatIndex / 2;
+
+            if (boatIndex % 2 == 1 && boatIndex != 0) {
+                distanceApart++;
+                distanceApart *= -1;
+            }
+
+            GeoPoint spawnMark = GeoUtility
+                .getGeoCoordinate(midpoint, perpendicularAngle, distanceApart * DISTANCE_FACTOR);
+
+            if (yacht.getHeading() < perpendicularAngle) {
+                spawnMark = GeoUtility
+                    .getGeoCoordinate(spawnMark, perpendicularAngle + 90, DISTANCE_FACTOR);
+            } else {
+                spawnMark = GeoUtility
+                    .getGeoCoordinate(spawnMark, perpendicularAngle + 270, DISTANCE_FACTOR);
+            }
+
+            yacht.setLocation(spawnMark);
+            boatIndex++;
+        }
+    }
+}

src/main/java/seng302/gameServer/MessageFactory.java

@@ -0,0 +1,160 @@
+package seng302.gameServer;
+
+import java.util.ArrayList;
+import java.util.List;
+import seng302.gameServer.messages.BoatLocationMessage;
+import seng302.gameServer.messages.BoatSubMessage;
+import seng302.gameServer.messages.RaceStartNotificationType;
+import seng302.gameServer.messages.RaceStartStatusMessage;
+import seng302.gameServer.messages.RaceStatus;
+import seng302.gameServer.messages.RaceStatusMessage;
+import seng302.gameServer.messages.RaceType;
+import seng302.gameServer.messages.XMLMessage;
+import seng302.gameServer.messages.XMLMessageSubType;
+import seng302.gameServer.messages.YachtEventCodeMessage;
+import seng302.gameServer.messages.YachtEventType;
+import seng302.model.Player;
+import seng302.model.ServerYacht;
+import seng302.model.stream.xml.generator.RaceXMLTemplate;
+import seng302.model.stream.xml.generator.RegattaXMLTemplate;
+import seng302.model.token.Token;
+import seng302.model.token.TokenType;
+import seng302.utilities.XMLGenerator;
+
+/**
+ * A Class for interfacing between the data we have in the GameState to the messages we need to send
+ * through the MainServerThread.
+ *
+ * WARNING DO NOT USE THIS CLASS IF GAMESTATE HAS NOT BEEN INSTANTIATED. (Main Server has not started)
+ * // TODO: 29/08/17 wmu16 - Make GameState non static to fix this ¯\_(ツ)_/¯
+ * Created by wmu16 on 29/08/17.
+ */
+
+/*
+Ideally this class would be created with an instance of the GameState (I tried implementing this for
+ a bit) but it was too difficult to properly make GameState non static without doing some proper
+ re working. To do later.
+ */
+public class MessageFactory {
+
+    private static XMLGenerator xmlGenerator = new XMLGenerator();
+
+
+    public static RaceStartStatusMessage getRaceStartStatusMessage() {
+        return new RaceStartStatusMessage(
+            1,
+            GameState.getStartTime(),
+            1,
+            RaceStartNotificationType.SET_RACE_START_TIME);
+    }
+
+    public static RaceStatusMessage getRaceStatusMessage() {
+        // variables taken from GameServerThread
+
+        List<BoatSubMessage> boatSubMessages = new ArrayList<>();
+        RaceStatus raceStatus;
+
+        for (Player player : GameState.getPlayers()) {
+            ServerYacht y = player.getYacht();
+            BoatSubMessage m = new BoatSubMessage(y.getSourceId(), y.getBoatStatus(),
+                y.getLegNumber(),
+                0, 0, 1234L,
+                1234L);
+            boatSubMessages.add(m);
+        }
+
+        long timeTillStart = System.currentTimeMillis() - GameState.getStartTime();
+
+        if (GameState.getCurrentStage() == GameStages.LOBBYING) {
+            raceStatus = RaceStatus.PRESTART;
+        } else if (GameState.getCurrentStage() == GameStages.PRE_RACE) {
+            raceStatus = RaceStatus.PRESTART;
+
+            if (timeTillStart > GameState.WARNING_TIME) {
+                raceStatus = RaceStatus.WARNING;
+            }
+
+            if (timeTillStart > GameState.PREPATORY_TIME) {
+                raceStatus = RaceStatus.PREPARATORY;
+            }
+        } else {
+            raceStatus = RaceStatus.STARTED;
+        }
+
+        return new RaceStatusMessage(1, raceStatus, GameState.getStartTime(),
+            GameState.getWindDirection(),
+            GameState.getWindSpeedMMS().longValue(), GameState.getPlayers().size(),
+            RaceType.MATCH_RACE, 1, boatSubMessages);
+    }
+
+    public static BoatLocationMessage getBoatLocationMessage(ServerYacht yacht) {
+        return new BoatLocationMessage(
+            yacht.getSourceId(),
+            0,  // TODO: 29/08/17 wmu16 - Work out what to do with seqNo. Currently not used
+            yacht.getLocation().getLat(),
+            yacht.getLocation().getLng(),
+            yacht.getHeading(),
+            yacht.getCurrentVelocity().longValue());
+    }
+
+    public static XMLMessage getRaceXML() {
+        List<ServerYacht> yachts = new ArrayList<>(GameState.getYachts().values());
+        List<Token> tokens = GameState.getTokensInPlay();
+        RaceXMLTemplate raceXMLTemplate = new RaceXMLTemplate(yachts, tokens);
+        xmlGenerator.setRaceTemplate(raceXMLTemplate);
+
+        XMLMessage raceXMLMessage = new XMLMessage(
+            xmlGenerator.getRaceAsXml(),
+            XMLMessageSubType.RACE,
+            xmlGenerator.getRaceAsXml().length());
+
+        return raceXMLMessage;
+    }
+
+    public static XMLMessage getRegattaXML() {
+        //@TODO calculate lat/lng values
+
+        return new XMLMessage(
+            xmlGenerator.getRegattaAsXml(),
+            XMLMessageSubType.REGATTA,
+            xmlGenerator.getRegattaAsXml().length());
+    }
+
+    public static XMLMessage getBoatXML() {
+        List<ServerYacht> yachts = new ArrayList<>(GameState.getYachts().values());
+        List<Token> tokens = GameState.getTokensInPlay();
+        RaceXMLTemplate raceXMLTemplate = new RaceXMLTemplate(yachts, tokens);
+        xmlGenerator.setRaceTemplate(raceXMLTemplate);
+
+        return new XMLMessage(
+            xmlGenerator.getBoatsAsXml(),
+            XMLMessageSubType.BOAT,
+            xmlGenerator.getBoatsAsXml().length());
+    }
+
+    public static YachtEventCodeMessage makeCollisionMessage(ServerYacht serverYacht) {
+        return new YachtEventCodeMessage(serverYacht.getSourceId(), YachtEventType.COLLISION);
+    }
+
+    public static YachtEventCodeMessage makePickupMessage(ServerYacht serverYacht, Token token) {
+        YachtEventType yachtEventType = null;
+        switch (token.getTokenType()) {
+            case BOOST:
+                yachtEventType = YachtEventType.TOKEN_VELOCITY;
+                break;
+            case HANDLING:
+                yachtEventType = YachtEventType.TOKEN_HANDLING;
+                break;
+            case WIND_WALKER:
+                yachtEventType = YachtEventType.TOKEN_WIND_WALKER;
+                break;
+            case BUMPER:
+                yachtEventType = YachtEventType.TOKEN_BUMPER;
+                break;
+            case RANDOM:
+                yachtEventType = YachtEventType.TOKEN_RANDOM;
+                break;
+        }
+        return new YachtEventCodeMessage(serverYacht.getSourceId(), yachtEventType);
+    }
+}

src/main/java/seng302/gameServer/ServerAdvertiser.java

@@ -0,0 +1,182 @@
+package seng302.gameServer;
+
+import seng302.discoveryServer.util.ServerListing;
+import seng302.discoveryServer.DiscoveryServerClient;
+
+import javax.jmdns.JmDNS;
+import javax.jmdns.ServiceInfo;
+import java.io.IOException;
+import java.net.Inet4Address;
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.util.Enumeration;
+import java.util.Hashtable;
+
+/**
+ * Advertises the game server on the local network
+ */
+public class ServerAdvertiser {
+    /*
+    Our service name & protocol
+
+    This must be in the format _Service._Proto.Name as per http://www.ietf.org/rfc/rfc2782.txt
+    Where Service is unique on the network, and protocol is usually _tcp.
+
+    The pseudo-domain 'local.' must end in a full-stop. This is used to indicate that
+    the lookup should be performed using an IP multicast query on the local IP network.
+
+    Read this before changing any of the following values
+    https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/NetServices/Articles/domainnames.html#//apple_ref/doc/uid/TP40002460-SW1
+     */
+    private static String SERVICE = "_partyatsea";
+    private static String PROTOCOL = "_tcp";
+    public static String SERVICE_TYPE = SERVICE + "." + PROTOCOL + ".local.";
+
+    private static ServerAdvertiser instance = null;
+    private static JmDNS jmdnsInstance = null;
+    private ServiceInfo serviceInfo; // Note: Whenever this is changed, our service will be re-registered on the network.
+    private DiscoveryServerClient repositoryClient;
+
+    private Hashtable<String ,String> props;
+
+    private ServerAdvertiser() throws IOException{
+        jmdnsInstance = JmDNS.create(InetAddress.getByName(getLocalHostIp()));
+
+        repositoryClient = new DiscoveryServerClient();
+
+        props = new Hashtable<>();
+        props.put("map", "");
+        props.put("spacesLeft", "0");
+        props.put("capacity", "0");
+        props.put("players", "0");
+    }
+
+    /**
+     * Get an instance of the ServerAdvertiser, create an instance if there isn't already one
+     * @return A ServerAdvertiser Instance
+     * @throws IOException If there was an exception creating the instance
+     */
+    public static ServerAdvertiser getInstance() throws IOException {
+        if (instance == null){
+            instance = new ServerAdvertiser();
+        }
+
+        return instance;
+    }
+
+    /**
+     * Set the map name and broadcast an update on the network
+     * @param mapName The new map name
+     * @return The current ServerAdvertiser instance
+     */
+    public ServerAdvertiser setMapName(String mapName){
+        props.replace("map", mapName);
+
+        if (serviceInfo != null){
+            serviceInfo.setText(props);
+        }
+
+        return instance;
+    }
+
+    /**
+     * Set the number of players on the server and broadcast an update on the network
+     * @param numPlayers The number of players on the server
+     * @return The current ServerAdvertiser instance
+     */
+    public ServerAdvertiser setNumberOfPlayers(Integer numPlayers){
+        props.replace("players", numPlayers.toString());
+
+        if (serviceInfo != null){
+            serviceInfo.setText(props);
+        }
+
+        return instance;
+    }
+
+    /**
+     * Set the max capacity of the server and broadcast an update on the network
+     * @param capacity The maximum capacity of the server
+     * @return The current ServerAdvertiser instance
+     */
+    public ServerAdvertiser setCapacity(Integer capacity){
+        props.replace("capacity", capacity.toString());
+
+        if (serviceInfo != null){
+            serviceInfo.setText(props);
+        }
+
+        return instance;
+    }
+
+    /**
+     * Register this service on the network
+     *
+     * Note: other parameters (map name/spaces left etc) are set after the
+     * service has been registered
+     * @param portNo The servers port number
+     * @param serverName The servers name
+     */
+    public void registerGame(Integer portNo, String serverName) {
+
+        serviceInfo = ServiceInfo.create(SERVICE_TYPE, serverName, portNo, 0, 0, props);
+
+        new java.util.Timer().schedule(
+            new java.util.TimerTask() {
+                @Override
+                public void run() {
+                    try {
+                        jmdnsInstance.registerService(serviceInfo);
+                    } catch (IOException e) {
+                        System.out.println("Failed");
+                    }
+                }
+            }, 0);
+
+        ServerListing serverListing = new ServerListing(serverName, props.get("map"), getLocalHostIp(), portNo, Integer.parseInt(props.get("capacity")));
+        repositoryClient.register(serverListing);
+    }
+
+    /**
+     * Unregister the service
+     */
+    public void unregister(){
+        if (serviceInfo != null)
+            jmdnsInstance.unregisterService(serviceInfo);
+    }
+
+    /**
+     * Gets the local host ip address.
+     *
+     * @return the localhost ip address
+     */
+    public static 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;
+    }
+}

src/main/java/seng302/gameServer/ServerDescription.java

@@ -0,0 +1,104 @@
+package seng302.gameServer;
+
+public class ServerDescription {
+    private Integer capacity;
+    private String address;
+    private Integer portNum;
+    private String serverName;
+    private String mapName;
+    private Integer numPlayers;
+    private Long lastUpdated;
+    private Long lastRefreshed;
+
+    private static Long EXPIRY_INTERVAL = 5000L;
+
+    public ServerDescription(String serverName, String mapName, Integer numPlayers, Integer capacity, String address, Integer portNum){
+        this.serverName = serverName;
+        this.mapName = mapName;
+        this.numPlayers = numPlayers;
+        this.address = address;
+        this.portNum = portNum;
+        this.capacity = capacity;
+        lastUpdated = System.currentTimeMillis();
+    }
+
+
+    public String getName() {
+        return serverName;
+    }
+
+    public String getMapName() {
+        return mapName;
+    }
+
+    public Integer portNumber() {
+        return portNum;
+    }
+
+    public String getAddress(){
+        return address;
+    }
+
+    public Integer getNumPlayers() {
+        return numPlayers;
+    }
+
+    public Integer getCapacity(){
+        return capacity;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == null) {
+            return false;
+        }
+        if (!ServerDescription.class.isAssignableFrom(obj.getClass())) {
+            return false;
+        }
+        final ServerDescription other = (ServerDescription) obj;
+
+        if (!this.getAddress().equals(other.getAddress()) ) {
+            return false;
+        }
+
+        if (!this.portNumber().equals(other.portNumber())){
+            return false;
+        }
+
+        if (!this.getMapName().equals(other.getMapName())){
+            return false;
+        }
+
+        if (!this.getName().equals(other.getName())){
+            return false;
+        }
+
+        if (!this.getCapacity().equals(other.getCapacity())){
+            return false;
+        }
+
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        return this.getName().hashCode() + this.getAddress().hashCode() +
+                this.portNumber().hashCode() + this.getMapName().hashCode();
+    }
+
+    public Boolean hasExpired(){
+        return System.currentTimeMillis() - lastUpdated > EXPIRY_INTERVAL;
+    }
+
+    public Boolean serverShouldBeRemoved() {
+        if (lastRefreshed == null) return false;
+
+        System.out.println("SBR" + (System.currentTimeMillis() - lastRefreshed > EXPIRY_INTERVAL));
+        return System.currentTimeMillis() - lastRefreshed > EXPIRY_INTERVAL;
+    }
+
+    public void hasBeenRefreshed(){
+        System.out.println("Was refreshed");
+        lastRefreshed = System.currentTimeMillis();
+    }
+}

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

@@ -0,0 +1,45 @@
+package seng302.gameServer;
+
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.net.Socket;
+
+/**
+ * A class for a thread to listen to connections
+ * Created by wmu16 on 11/07/17.
+ */
+public class ServerListenThread implements Runnable {
+    private ServerSocket serverSocket;
+    private ClientConnectionDelegate delegate;
+
+    public ServerListenThread(ServerSocket serverSocket, ClientConnectionDelegate delegate){
+        this.serverSocket = serverSocket;
+        this.delegate = delegate;
+
+        Thread thread = new Thread(this, "ServerListen");
+        thread.start();
+    }
+
+    /**
+     * 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 && GameState.getCurrentStage().equals(GameStages.LOBBYING)) {
+                ServerToClientThread thisConnection = new ServerToClientThread(thisClient);
+                delegate.clientConnected(thisConnection);
+            } else {
+                thisClient.close();
+            }
+        } catch (IOException e) {
+            e.getMessage();
+        }
+    }
+
+    public void run(){
+        while (serverSocket != null && !serverSocket.isClosed()){
+            acceptConnection();
+        }
+    }
+}

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

@@ -0,0 +1,46 @@
+package seng302.gameServer;
+
+import java.util.Arrays;
+import seng302.gameServer.messages.BoatAction;
+import seng302.gameServer.messages.ChatterMessage;
+import seng302.gameServer.messages.ClientType;
+import seng302.gameServer.messages.CustomizeRequestType;
+import seng302.gameServer.messages.Message;
+import seng302.model.stream.packets.StreamPacket;
+
+
+public class ServerPacketParser {
+
+    public static BoatAction extractBoatAction(StreamPacket packet) {
+        byte[] payload = packet.getPayload();
+        int messageVersionNo = payload[0];
+        long actionTypeValue = Message.bytesToLong(Arrays.copyOfRange(payload, 0, 1));
+        return BoatAction.getType((int) actionTypeValue);
+    }
+
+    public static ClientType extractClientType(StreamPacket packet){
+        byte[] payload = packet.getPayload();
+        long value = Message.bytesToLong(Arrays.copyOfRange(payload, 0, 1));
+        return ClientType.getClientType((int) value);
+    }
+
+    public static CustomizeRequestType extractCustomizationType(StreamPacket packet) {
+        byte[] payload = packet.getPayload();
+        long type = Message.bytesToLong(Arrays.copyOfRange(payload, 4, 5));
+        return CustomizeRequestType.getRequestType((int) type);
+    }
+
+    public static ChatterMessage extractChatterText(byte[] payload) {
+        return new ChatterMessage(
+            payload[1], new String(Arrays.copyOfRange(payload, 3, payload.length))
+        );
+    }
+
+    public static ChatterMessage extractChatterText(StreamPacket packet) {
+        byte[] payload = packet.getPayload();
+        return new ChatterMessage(
+            payload[1], new String(Arrays.copyOfRange(payload, 3, payload.length))
+        );
+    }
+}
+

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

@@ -0,0 +1,347 @@
+package seng302.gameServer;
+
+
+import java.io.BufferedReader;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.net.Socket;
+import java.net.SocketException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.ThreadLocalRandom;
+import java.util.stream.Collectors;
+import java.util.zip.CRC32;
+import java.util.zip.Checksum;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import seng302.gameServer.messages.BoatAction;
+import seng302.gameServer.messages.ChatterMessage;
+import seng302.gameServer.messages.ClientType;
+import seng302.gameServer.messages.CustomizeRequestType;
+import seng302.gameServer.messages.Message;
+import seng302.gameServer.messages.RegistrationResponseMessage;
+import seng302.gameServer.messages.RegistrationResponseStatus;
+import seng302.gameServer.messages.XMLMessage;
+import seng302.gameServer.messages.XMLMessageSubType;
+import seng302.model.Player;
+import seng302.model.ServerYacht;
+import seng302.model.stream.packets.PacketType;
+import seng302.model.stream.packets.StreamPacket;
+import seng302.model.stream.xml.generator.RaceXMLTemplate;
+import seng302.utilities.XMLGenerator;
+
+/**
+ * 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 implements Runnable {
+
+    /**
+     * Called to notify listeners when this thread receives a connection correctly.
+     */
+    @FunctionalInterface
+    interface ConnectionListener {
+        void notifyConnection ();
+    }
+
+    // TODO: 17/08/17 this is only temporary disconnects should be handled consistently
+    @FunctionalInterface
+    interface DisconnectListener {
+        void notifyDisconnect (Player player);
+    }
+
+    private Logger logger = LoggerFactory.getLogger(ServerToClientThread.class);
+
+    private Thread thread;
+
+    private InputStream is;
+    private OutputStream os;
+    private Socket socket;
+
+    private ByteArrayOutputStream crcBuffer;
+
+    private Integer seqNo;
+    private Integer sourceId;
+
+    private ClientType clientType;
+    private Boolean isRegistered = false;
+    private Boolean isHost = false;
+
+    private XMLGenerator xmlGenerator;
+
+    private List<ConnectionListener> connectionListeners = new ArrayList<>();
+    private DisconnectListener disconnectListener;
+
+    private ServerYacht yacht;
+    private Player player;
+
+    public ServerToClientThread(Socket socket) {
+        this.socket = socket;
+        seqNo = 0;
+
+        try{
+            is = socket.getInputStream();
+            os = socket.getOutputStream();
+        } catch (IOException e) {
+            return;
+        }
+
+        thread = new Thread(this, "ServerToClient");
+        thread.start();
+    }
+
+    public Integer getSourceId() {
+        return sourceId;
+    }
+
+    private void setUpPlayer(){
+        BufferedReader fn;
+        String fName = "";
+        BufferedReader ln;
+        String lName = "";
+
+        fn = new BufferedReader(
+                new InputStreamReader(
+                        ServerToClientThread.class.getResourceAsStream(
+                                "/server_config/CSV_Database_of_First_Names.csv"
+                        )
+                )
+        );
+        List<String> all = fn.lines().collect(Collectors.toList());
+        fName = all.get(ThreadLocalRandom.current().nextInt(0, all.size()));
+        ln = new BufferedReader(
+                new InputStreamReader(
+                        ServerToClientThread.class.getResourceAsStream(
+                                "/server_config/CSV_Database_of_Last_Names.csv"
+                        )
+                )
+        );
+        all = ln.lines().collect(Collectors.toList());
+        lName = all.get(ThreadLocalRandom.current().nextInt(0, all.size()));
+
+        ServerYacht yacht = new ServerYacht(
+                "Yacht", sourceId, sourceId.toString(), fName, fName + " " + lName, "NZ"
+        );
+
+        player = new Player(socket, yacht);
+        GameState.addYacht(sourceId, yacht);
+        GameState.addPlayer(player);
+    }
+
+    private void completeRegistration(ClientType clientType) throws IOException {
+        // Fail if not a player
+        if (!clientType.equals(ClientType.PLAYER)){
+            RegistrationResponseMessage responseMessage = new RegistrationResponseMessage(0, RegistrationResponseStatus.FAILURE_GENERAL);
+            os.write(responseMessage.getBuffer());
+            return;
+        }
+
+        if (GameState.getPlayers().size() >= GameState.getCapacity()){
+            RegistrationResponseMessage responseMessage = new RegistrationResponseMessage(0, RegistrationResponseStatus.FAILURE_FULL);
+            os.write(responseMessage.getBuffer());
+            return;
+        }
+
+        Integer sourceId = GameState.getUniquePlayerID();
+        RegistrationResponseMessage responseMessage = new RegistrationResponseMessage(sourceId, RegistrationResponseStatus.SUCCESS_PLAYING);
+
+        this.clientType = clientType;
+        this.sourceId = sourceId;
+        isRegistered = true;
+        os.write(responseMessage.getBuffer());
+
+        setUpPlayer();
+
+        for (ConnectionListener listener : connectionListeners) {
+            listener.notifyConnection();
+        }
+    }
+
+    public void run() {
+        int sync1;
+        int sync2;
+        // TODO: 14/07/17 wmu16 - Work out how to fix this while loop
+
+        while (socket.isConnected() && !socket.isClosed()) {
+            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 = 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) {
+                        switch (PacketType.assignPacketType(type, payload)) {
+                            case BOAT_ACTION:
+                                BoatAction actionType = ServerPacketParser
+                                        .extractBoatAction(
+                                                new StreamPacket(type, payloadLength, timeStamp, payload));
+                                GameState.updateBoat(sourceId, actionType);
+                                break;
+
+                            case RACE_REGISTRATION_REQUEST:
+                                ClientType requestedType = ServerPacketParser.extractClientType(
+                                        new StreamPacket(type, payloadLength, timeStamp, payload));
+
+                                completeRegistration(requestedType);
+                                break;
+                            case CHATTER_TEXT:
+                                ChatterMessage chatterMessage = ServerPacketParser
+                                    .extractChatterText(
+                                        new StreamPacket(type, payloadLength, timeStamp, payload));
+                                GameState.processChatter(chatterMessage, isHost);
+                                break;
+                            case RACE_CUSTOMIZATION_REQUEST:
+                                Long sourceID = Message
+                                    .bytesToLong(Arrays.copyOfRange(payload, 0, 3));
+                                CustomizeRequestType requestType = ServerPacketParser
+                                    .extractCustomizationType(
+                                        new StreamPacket(type, payloadLength, timeStamp, payload));
+                                GameState.customizePlayer(sourceID, requestType,
+                                    Arrays.copyOfRange(payload, 6, payload.length));
+                                GameState.setCustomizationFlag();
+                                // TODO: 17/08/2017 ajm412: Send a response packet here, not really necessary until we do shapes.
+                                break;
+                        }
+                    } else {
+                        logger.warn("Packet has been dropped", 1);
+                    }
+                }
+            } catch (Exception e) {
+                closeSocket();
+                GameState.setPlayerHasLeftFlag(true);
+                return;
+            }
+        }
+        GameState.setPlayerHasLeftFlag(true);
+        logger.warn("Closed serverToClientThread" + thread, 1);
+    }
+
+    public void sendSetupMessages() {
+        xmlGenerator = new XMLGenerator();
+        RaceXMLTemplate race = new RaceXMLTemplate(new ArrayList<>(GameState.getYachts().values()), new ArrayList<>());
+
+        xmlGenerator.setRaceTemplate(race);
+
+        XMLMessage xmlMessage;
+        xmlMessage = new XMLMessage(xmlGenerator.getRegattaAsXml(), XMLMessageSubType.REGATTA,
+                xmlGenerator.getRegattaAsXml().length());
+        sendMessage(xmlMessage);
+
+        xmlMessage = new XMLMessage(xmlGenerator.getBoatsAsXml(), XMLMessageSubType.BOAT,
+                xmlGenerator.getBoatsAsXml().length());
+        sendMessage(xmlMessage);
+
+        xmlMessage = new XMLMessage(xmlGenerator.getRaceAsXml(), XMLMessageSubType.RACE,
+                xmlGenerator.getRaceAsXml().length());
+        sendMessage(xmlMessage);
+    }
+
+    private void closeSocket() {
+        try {
+            socket.close();
+        } catch (IOException e) {
+            System.out.println("IO error in server thread upon trying to close socket");
+        }
+    }
+
+    public Boolean isSocketOpen() {
+        return !socket.isClosed();
+    }
+
+    private int readByte() throws Exception {
+        int currentByte = -1;
+        try {
+            currentByte = is.read();
+            crcBuffer.write(currentByte);
+        } catch (SocketException se) {
+            disconnectListener.notifyDisconnect(this.player);
+        } catch (IOException e) {
+            disconnectListener.notifyDisconnect(this.player);
+            logger.warn("Socket read failed", 1);
+        }
+        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 (SocketException e) {
+            logger.warn("Player " + sourceId + " side socket disconnected", 1);
+        } catch (IOException e) {
+            logger.warn("Message send failed", 1);
+        }
+    }
+
+    private int getSeqNo() {
+        seqNo++;
+        return seqNo;
+    }
+
+    public Thread getThread() {
+        return thread;
+    }
+
+    public Socket getSocket() {
+        return socket;
+    }
+
+    public ServerYacht getYacht() {
+        return yacht;
+    }
+
+    public void addConnectionListener(ConnectionListener listener) {
+        connectionListeners.add(listener);
+    }
+
+    public void removeConnectionListener(ConnectionListener listener) {
+        connectionListeners.remove(listener);
+    }
+
+    public void terminate () {
+        try {
+            socket.close();
+        } catch (IOException ioe) {
+            logger.warn("IOException attempting to terminate serverToClientThread " + this.thread);
+        }
+    }
+
+    public void addDisconnectListener(DisconnectListener disconnectListener) {
+        this.disconnectListener = disconnectListener;
+    }
+
+    public void setAsHost() {
+        isHost = true;
+    }
+}

src/main/java/seng302/gameServer/messages/BoatAction.java

@@ -0,0 +1,39 @@
+package seng302.gameServer.messages;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Created by kre39 on 12/07/17.
+ */
+public enum BoatAction {
+
+    VMG(1),
+    SAILS_IN(2),
+    SAILS_OUT(3),
+    TACK_GYBE(4),
+    UPWIND(5),
+    DOWNWIND(6),
+    MAINTAIN_HEADING(7);
+
+    private final int type;
+    private static final Map<Integer, BoatAction> intToTypeMap = new HashMap<>();
+
+    static {
+        for (BoatAction type : BoatAction.values()) {
+            intToTypeMap.put(type.getValue(), type);
+        }
+    }
+
+    BoatAction(int type){
+        this.type = type;
+    }
+
+    public static BoatAction getType(int value) {
+        return intToTypeMap.get(value);
+    }
+
+    public int getValue() {
+        return this.type;
+    }
+}

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

@@ -0,0 +1,29 @@
+package seng302.gameServer.messages;
+
+/**
+ * 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 BoatAction actionType;
+
+    public BoatActionMessage(BoatAction 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/gameServer/messages/BoatLocationMessage.java

@@ -1,9 +1,7 @@
-package seng302.server.messages;
+package seng302.gameServer.messages;
-
-import java.io.IOException;
-import java.nio.channels.SocketChannel;
 
 public class BoatLocationMessage extends Message {
+
     private final int MESSAGE_SIZE = 56;
 
     private long messageVersionNumber;
@@ -31,6 +29,7 @@ public class BoatLocationMessage extends Message {
 
     /**
      * Describes the location, altitude and sensor data from the boat.
+     *
      * @param sourceId ID of the boat
      * @param sequenceNum Sequence number of the message
      * @param latitude The boats latitude
@@ -38,8 +37,8 @@ public class BoatLocationMessage extends Message {
      * @param heading The boats heading
      * @param boatSpeed The boats speed
      */
-    public BoatLocationMessage(int sourceId, int sequenceNum, double latitude, double longitude, double heading, long boatSpeed){
+    public BoatLocationMessage(int sourceId, int sequenceNum, double latitude, double longitude,
-        boatSpeed /= 10;
+        double heading, long boatSpeed) {
         messageVersionNumber = 1;
         time = System.currentTimeMillis();
         this.sourceId = sourceId;
@@ -53,7 +52,7 @@ public class BoatLocationMessage extends Message {
         this.roll = 0;
         this.boatSpeed = boatSpeed;
         this.COG = 2;
-        this.SOG = boatSpeed ;
+        this.SOG = boatSpeed;
         this.apparentWindSpeed = 0;
         this.apparentWindAngle = 0;
         this.trueWindSpeed = 0;
@@ -64,74 +63,10 @@ public class BoatLocationMessage extends Message {
         this.rudderAngle = 0;
 
         setHeader(new Header(MessageType.BOAT_LOCATION, 1, (short) getSize()));
-    }
-
-    /**
-     * Convert binary latitude or longitude to floating point number
-     * @param binaryPackedLatLon Binary packed lat OR lon
-     * @return Floating point lat/lon
-     */
-    public static double binaryPackedToLatLon(long binaryPackedLatLon){
-        return (double)binaryPackedLatLon * 180.0 / 2147483648.0;
-    }
-
-    /**
-     * Convert binary packed heading to floating point number
-     * @param binaryPackedHeading Binary packed heading
-     * @return heading as a decimal
-     */
-    public static double binaryPackedHeadingToDouble(long binaryPackedHeading){
-        return (double)binaryPackedHeading * 360.0 / 65536.0;
-    }
-
-    /**
-     * Convert binary packed wind angle to floating point number
-     * @param binaryPackedWindAngle Binary packed wind angle
-     * @return wind angle as a decimal
-     */
-    public static double binaryPackedWindAngleToDouble(long binaryPackedWindAngle){
-        return (double)binaryPackedWindAngle*180.0/32768.0;
-    }
-
-    /**
-     * Convert a latitude or longitude to a binary packed long
-     * @param latLon A floating point latitude/longitude
-     * @return A binary packed lat/lon
-     */
-    public static long latLonToBinaryPackedLong(double latLon){
-        return (long)((536870912 * latLon) / 45);
-    }
-
-    /**
-     * Convert a heading to a binary packed long
-     * @param heading A floating point heading
-     * @return A binary packed heading
-     */
-    public static long headingToBinaryPackedLong(double heading){
-        return (long)((8192*heading)/45);
-    }
-
-    /**
-     * Convert a wind angle to a binary packed long
-     * @param windAngle Floating point wind angle
-     * @return A binary packed wind angle
-     */
-    public static long windAngleToBinaryPackedLong(double windAngle){
-        return (long)((8192*windAngle)/45);
-    }
-
-    @Override
-    public int getSize() {
-        return MESSAGE_SIZE;
-    }
-
-
-    @Override
-    public void send(SocketChannel outputStream) throws IOException{
         allocateBuffer();
         writeHeaderToBuffer();
 
-        long headingToSend = (long)((heading/360.0) * 65535.0);
+        long headingToSend = (long) ((heading / 360.0) * 65535.0);
 
         putByte((byte) messageVersionNumber);
         putInt(time, 6);
@@ -158,7 +93,70 @@ public class BoatLocationMessage extends Message {
 
         writeCRC();
         rewind();
+    }
 
-        outputStream.write(getBuffer());
+    /**
+     * Convert binary latitude or longitude to floating point number
+     *
+     * @param binaryPackedLatLon Binary packed lat OR lon
+     * @return Floating point lat/lon
+     */
+    public static double binaryPackedToLatLon(long binaryPackedLatLon) {
+        return (double) binaryPackedLatLon * 180.0 / 2147483648.0;
+    }
+
+    /**
+     * Convert binary packed heading to floating point number
+     *
+     * @param binaryPackedHeading Binary packed heading
+     * @return heading as a decimal
+     */
+    public static double binaryPackedHeadingToDouble(long binaryPackedHeading) {
+        return (double) binaryPackedHeading * 360.0 / 65536.0;
+    }
+
+    /**
+     * Convert binary packed wind angle to floating point number
+     *
+     * @param binaryPackedWindAngle Binary packed wind angle
+     * @return wind angle as a decimal
+     */
+    public static double binaryPackedWindAngleToDouble(long binaryPackedWindAngle) {
+        return (double) binaryPackedWindAngle * 180.0 / 32768.0;
+    }
+
+    /**
+     * Convert a latitude or longitude to a binary packed long
+     *
+     * @param latLon A floating point latitude/longitude
+     * @return A binary packed lat/lon
+     */
+    public static long latLonToBinaryPackedLong(double latLon) {
+        return (long) ((536870912 * latLon) / 45);
+    }
+
+    /**
+     * Convert a heading to a binary packed long
+     *
+     * @param heading A floating point heading
+     * @return A binary packed heading
+     */
+    public static long headingToBinaryPackedLong(double heading) {
+        return (long) ((8192 * heading) / 45);
+    }
+
+    /**
+     * Convert a wind angle to a binary packed long
+     *
+     * @param windAngle Floating point wind angle
+     * @return A binary packed wind angle
+     */
+    public static long windAngleToBinaryPackedLong(double windAngle) {
+        return (long) ((8192 * windAngle) / 45);
+    }
+
+    @Override
+    public int getSize() {
+        return MESSAGE_SIZE;
     }
 }

src/main/java/seng302/gameServer/messages/BoatStatus.java

@@ -1,4 +1,4 @@
-package seng302.server.messages;
+package seng302.gameServer.messages;
 
 /**
  * The current status of a boat

src/main/java/seng302/gameServer/messages/BoatSubMessage.java

@@ -1,4 +1,4 @@
-package seng302.server.messages;
+package seng302.gameServer.messages;
 
 import java.nio.ByteBuffer;
 

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

@@ -0,0 +1,46 @@
+package seng302.gameServer.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, String message) {
+        byte[] byteMessage = message.getBytes();
+
+        this.message_type = message_type;
+        this.message_size = byteMessage.length;
+        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(byteMessage);
+
+        writeCRC();
+        rewind();
+    }
+
+    @Override
+    public int getSize() {
+        return MESSAGE_SIZE + message_size;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public int getMessage_type() {
+        return message_type;
+    }
+}

src/main/java/seng302/gameServer/messages/ClientType.java

@@ -0,0 +1,33 @@
+package seng302.gameServer.messages;
+
+public enum ClientType {
+    SPECTATOR(0x00),
+    PLAYER(0x01),
+    CONTROL_TUTORIAL(0x02),
+    GHOST_MODE(0x03);
+
+    private int type;
+
+    ClientType(int type){
+        this.type = type;
+    }
+
+    public int getCode(){
+        return type;
+    }
+
+    public static ClientType getClientType(int typeCode){
+        switch (typeCode){
+            case 0x00:
+                return SPECTATOR;
+            case 0x01:
+                return PLAYER;
+            case 0x02:
+                return CONTROL_TUTORIAL;
+            case 0x03:
+                return GHOST_MODE;
+            default:
+                return PLAYER;
+        }
+    }
+}

src/main/java/seng302/gameServer/messages/CustomizeRequestMessage.java

@@ -0,0 +1,35 @@
+package seng302.gameServer.messages;
+
+// TODO: 14/08/17 ajm412: this may eventually need adjusting due to conforming to the agreed spec.
+public class CustomizeRequestMessage extends Message {
+
+
+    private static int MESSAGE_LENGTH = 6;
+
+    //Message fields
+    private CustomizeRequestType customizeType;
+    private Integer payloadLength;
+
+    public CustomizeRequestMessage(CustomizeRequestType customizeType, double sourceID,
+        byte[] payload) {
+        payloadLength = payload.length;
+        setHeader(new Header(MessageType.CUSTOMIZATION_REQUEST, 1, (short) getSize()));
+        allocateBuffer();
+        writeHeaderToBuffer();
+
+
+        putInt((int) sourceID, 4);
+        putInt((int) customizeType.getType(), 2);
+        putBytes(payload);
+
+        writeCRC();
+        rewind();
+    }
+
+    @Override
+    public int getSize() {
+        return MESSAGE_LENGTH + payloadLength; // placeholder
+    }
+
+
+}

src/main/java/seng302/gameServer/messages/CustomizeRequestType.java

@@ -0,0 +1,31 @@
+package seng302.gameServer.messages;
+
+// TODO: 14/08/17 ajm412: this may eventually need adjusting due to conforming to the agreed spec.
+public enum CustomizeRequestType {
+    NAME(0x00),
+    COLOR(0x01),
+    SHAPE(0x02);
+
+    private int type;
+
+    CustomizeRequestType(int type) {
+        this.type = type;
+    }
+
+    int getType() {
+        return this.type;
+    }
+
+    public static CustomizeRequestType getRequestType(int typeCode) {
+        switch (typeCode) {
+            case 0x00:
+                return NAME;
+            case 0x01:
+                return COLOR;
+            case 0x02:
+                return SHAPE;
+            default:
+                return null;
+        }
+    }
+}

src/main/java/seng302/gameServer/messages/CustomizeResponseMessage.java

@@ -0,0 +1,28 @@
+package seng302.gameServer.messages;
+
+/**
+ * Created by ajm412 on 14/08/17.
+ */
+public class CustomizeResponseMessage extends Message {
+
+    private static int MESSAGE_LENGTH = 2;
+
+    public CustomizeResponseMessage(CustomizeResponseType responseType) {
+        setHeader(new Header(MessageType.CUSTOMIZATION_RESPONSE, 1, (short) getSize()));
+
+        allocateBuffer();
+        writeHeaderToBuffer();
+
+        putInt(responseType.getType(), 2);
+
+        writeCRC();
+        rewind();
+    }
+
+    @Override
+    public int getSize() {
+        return MESSAGE_LENGTH; // placeholder
+    }
+
+
+}

src/main/java/seng302/gameServer/messages/CustomizeResponseType.java

@@ -0,0 +1,34 @@
+package seng302.gameServer.messages;
+
+// TODO: 14/08/17 ajm412: this may eventually need adjusting due to conforming to the agreed spec.
+public enum CustomizeResponseType {
+    SUCCESS(0x00),
+    FAILURE(0x01),
+    FAILURE_MALFORMED_DATA(0x02),
+    FAILURE_INCOMPATIBLE(0x03);
+
+    private int type;
+
+    CustomizeResponseType(int type) {
+        this.type = type;
+    }
+
+    int getType() {
+        return this.type;
+    }
+
+    public static CustomizeResponseType getResponseType(int typeCode) {
+        switch (typeCode) {
+            case 0x00:
+                return SUCCESS;
+            case 0x01:
+                return FAILURE;
+            case 0x02:
+                return FAILURE_MALFORMED_DATA;
+            case 0x03:
+                return FAILURE_INCOMPATIBLE;
+            default:
+                return null;
+        }
+    }
+}

src/main/java/seng302/gameServer/messages/DeviceType.java

@@ -1,4 +1,4 @@
-package seng302.server.messages;
+package seng302.gameServer.messages;
 
 public enum DeviceType {
     UNKNOWN(0),

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

@@ -1,9 +1,6 @@
-package seng302.server.messages;
+package seng302.gameServer.messages;
 
-import java.math.BigInteger;
 import java.nio.ByteBuffer;
-import java.nio.ByteOrder;
-import java.util.Collections;
 
 public class Header {
     // From API spec
@@ -43,10 +40,21 @@ 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/gameServer/messages/Heartbeat.java

@@ -1,32 +1,13 @@
-package seng302.server.messages;
+package seng302.gameServer.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;
 
 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 +17,11 @@ public class Heartbeat extends Message {
 
         writeCRC();
         rewind();
-
-        outputStream.write(getBuffer());
     }
+
+    @Override
+    public int getSize() {
+        return MESSAGE_SIZE;
+    }
+
 }

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

@@ -1,10 +1,4 @@
-package seng302.server.messages;
+package seng302.gameServer.messages;
-
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.nio.channels.Channels;
-import java.nio.channels.SocketChannel;
-import java.nio.channels.WritableByteChannel;
 
 public class MarkRoundingMessage extends Message{
     private final long MESSAGE_VERSION_NUMBER = 1;
@@ -18,13 +12,21 @@ public class MarkRoundingMessage extends Message{
     private RoundingSide roundingSide;
     private long markId;
 
+
     /**
      * This message is sent when a boat passes a mark, start line, or finish line
      * The purpose of this is to record the time when yachts cross marks
+     * @param ackNumber ackNumber
+     * @param raceId raceId
+     * @param sourceId boatSourceId
+     * @param roundingBoatStatus roundingBoatStatus
+     * @param roundingSide roundingSide
+     * @param markId markId
+     * @param markType .
      */
     public MarkRoundingMessage(int ackNumber, int raceId, int sourceId, RoundingBoatStatus roundingBoatStatus,
-                               RoundingSide roundingSide, int markId){
+        RoundingSide roundingSide, MarkType markType, int markId) {
-        this.time = System.currentTimeMillis() / 1000L;
+        this.time = System.currentTimeMillis();
         this.ackNumber = ackNumber;
         this.raceId = raceId;
         this.sourceId = sourceId;
@@ -33,15 +35,6 @@ 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();
 
@@ -52,11 +45,15 @@ public class MarkRoundingMessage extends Message{
         putInt((int) sourceId, 4);
         putByte((byte) boatStatus.getCode());
         putByte((byte) roundingSide.getCode());
+        putByte((byte) markType.getCode());
         putByte((byte) markId);
 
         writeCRC();
         rewind();
+    }
 
-        outputStream.write(getBuffer());
+    @Override
+    public int getSize() {
+        return MESSAGE_SIZE;
     }
 }

src/main/java/seng302/gameServer/messages/MarkType.java

@@ -1,4 +1,4 @@
-package seng302.server.messages;
+package seng302.gameServer.messages;
 
 /**
  * Types of marks boats can round

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

@@ -1,9 +1,7 @@
-package seng302.server.messages;
+package seng302.gameServer.messages;
 
-import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
-import java.nio.channels.SocketChannel;
 import java.util.Arrays;
 import java.util.zip.CRC32;
 
@@ -33,11 +31,6 @@ 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 +38,7 @@ public abstract class Message {
         buffer = ByteBuffer.allocate(Header.getSize() + getSize() + CRC_SIZE);
         buffer.order(ByteOrder.LITTLE_ENDIAN);
         bufferPosition = 0;
+        buffer.position(bufferPosition);
     }
 
     /**
@@ -161,10 +155,10 @@ public abstract class Message {
     }
 
     /**
-     * @return The current buffer
+     * @return The current buffer as a byte array
      */
-    public ByteBuffer getBuffer(){
+    public byte[] getBuffer(){
-        return buffer;
+        return buffer.array();
     }
 
     /**
@@ -178,7 +172,7 @@ public abstract class Message {
      * Convert an integer to an array of bytes
      * @param val The value to add
      * @param len The width of the integer in the buffer
-     * @return
+     * @return A byte array to be sent
      */
     public static byte[] intToByteArray(long val, int len){
         int index = 0;
@@ -193,6 +187,26 @@ 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
+     *
+     * @param bytes the bytes to be converted to long
+     * @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/gameServer/messages/MessageType.java

@@ -1,4 +1,4 @@
-package seng302.server.messages;
+package seng302.gameServer.messages;
 
 /**
  * Enum containing the types of messages
@@ -16,7 +16,16 @@ public enum MessageType {
     BOAT_LOCATION(37),
     MARK_ROUNDING(38),
     COURSE_WIND(44),
-    AVERAGE_WIND(47);
+    AVERAGE_WIND(47),
+    BOAT_ACTION(100),
+    REGISTRATION_REQUEST(101),
+    REGISTRATION_RESPONSE(102),
+    CUSTOMIZATION_REQUEST(103),
+    CUSTOMIZATION_RESPONSE(104),
+    REPO_REGISTRATION_REQUEST(201),
+    ROOM_CODE_REQUEST(202),
+    LOBBY_REQUEST(203);
+
 
     private int code;
 
@@ -31,4 +40,6 @@ public enum MessageType {
     int getCode(){
         return this.code;
     }
+
+
 }

src/main/java/seng302/gameServer/messages/RaceStartNotificationType.java

@@ -1,4 +1,4 @@
-package seng302.server.messages;
+package seng302.gameServer.messages;
 
 /**
  * The types of race start status messages

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

@@ -1,10 +1,4 @@
-package seng302.server.messages;
+package seng302.gameServer.messages;
-
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.nio.channels.Channels;
-import java.nio.channels.SocketChannel;
-import java.nio.channels.WritableByteChannel;
 
 public class RaceStartStatusMessage extends Message {
     private final int MESSAGE_SIZE = 20;
@@ -32,15 +26,6 @@ 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 +38,11 @@ public class RaceStartStatusMessage extends Message {
 
         writeCRC();
         rewind();
-
-        outputStream.write(getBuffer());
     }
+
+    @Override
+    public int getSize() {
+        return MESSAGE_SIZE;
+    }
+
 }

src/main/java/seng302/gameServer/messages/RaceStatus.java

@@ -1,4 +1,4 @@
-package seng302.server.messages;
+package seng302.gameServer.messages;
 
 /**
  * The current status of the race

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

@@ -1,7 +1,5 @@
-package seng302.server.messages;
+package seng302.gameServer.messages;
 
-import java.io.IOException;
-import java.nio.channels.SocketChannel;
 import java.util.List;
 import java.util.zip.CRC32;
 
@@ -9,12 +7,14 @@ public class RaceStatusMessage extends Message{
     private final MessageType MESSAGE_TYPE = MessageType.RACE_STATUS;
     private final int MESSAGE_VERSION = 2; //Always set to 1
     private final int MESSAGE_BASE_SIZE = 24;
+    private final double windDirFactor = 0x4000 / 90;
+
 
     private long currentTime;
     private long raceId;
     private RaceStatus raceStatus;
     private long expectedStartTime;
-    private WindDirection raceWindDirection;
+    private double raceWindDirection;
     private long windSpeed;
     private long numBoatsInRace;
     private RaceType raceType;
@@ -33,13 +33,13 @@ public class RaceStatusMessage extends Message{
      * @param sourceId The source of this message
      * @param boats A list of boat status sub messages
      */
-    public RaceStatusMessage(long raceId, RaceStatus raceStatus, long expectedStartTime, WindDirection raceWindDirection,
+    public RaceStatusMessage(long raceId, RaceStatus raceStatus, long expectedStartTime, double raceWindDirection,
                              long windSpeed, long numBoatsInRace, RaceType raceType, long sourceId, List<BoatSubMessage> boats){
         currentTime = System.currentTimeMillis();
         this.raceId = raceId;
         this.raceStatus = raceStatus;
         this.expectedStartTime = expectedStartTime;
-        this.raceWindDirection = raceWindDirection;
+        this.raceWindDirection = raceWindDirection * windDirFactor+100.0;
         this.windSpeed = windSpeed;
         this.numBoatsInRace = numBoatsInRace;
         this.raceType = raceType;
@@ -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();
 
@@ -71,7 +55,7 @@ public class RaceStatusMessage extends Message{
         putInt((int) raceId, 4);
         putByte((byte) raceStatus.getCode());
         putInt(expectedStartTime, 6);
-        putInt((int) raceWindDirection.getCode(), 2);
+        putInt((int) this.raceWindDirection, 2);
         putInt((int) windSpeed, 2);
         putByte((byte) numBoatsInRace);
         putByte((byte) raceType.getCode());
@@ -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/gameServer/messages/RaceType.java

@@ -1,4 +1,4 @@
-package seng302.server.messages;
+package seng302.gameServer.messages;
 
 /**
  * Enum containing the types of races

src/main/java/seng302/gameServer/messages/RegistrationRequestMessage.java

@@ -0,0 +1,22 @@
+package seng302.gameServer.messages;
+
+
+public class RegistrationRequestMessage extends Message {
+    private static int MESSAGE_LENGTH = 2;
+
+    public RegistrationRequestMessage(ClientType type){
+        setHeader(new Header(MessageType.REGISTRATION_REQUEST, 1, (short) getSize()));
+
+        allocateBuffer();
+        writeHeaderToBuffer();
+
+        putInt(type.getCode(), 2);
+
+        writeCRC();
+    }
+
+    @Override
+    public int getSize() {
+        return MESSAGE_LENGTH;
+    }
+}

src/main/java/seng302/gameServer/messages/RegistrationResponseMessage.java

@@ -0,0 +1,20 @@
+package seng302.gameServer.messages;
+
+public class RegistrationResponseMessage extends Message{
+
+    public RegistrationResponseMessage(int clientSourceID, RegistrationResponseStatus status){
+        setHeader(new Header(MessageType.REGISTRATION_RESPONSE, 1, (short) getSize()));
+        allocateBuffer();
+        writeHeaderToBuffer();
+
+        putInt(clientSourceID, 4);
+        putInt(status.getCode(), 1);
+
+        writeCRC();
+    }
+
+    @Override
+    public int getSize() {
+        return 5;
+    }
+}

src/main/java/seng302/gameServer/messages/RegistrationResponseStatus.java

@@ -0,0 +1,44 @@
+package seng302.gameServer.messages;
+
+public enum RegistrationResponseStatus {
+    SUCCESS_SPECTATING(0x00),
+    SUCCESS_PLAYING(0x01),
+    SUCCESS_TUTORIAL(0x02),
+    SUCCESS_GHOSTING(0x03),
+
+    FAILURE_GENERAL(0x10),
+    FAILURE_FULL(0x11);
+
+    private int code;
+
+    RegistrationResponseStatus(int code){
+        this.code = code;
+    }
+
+    /**
+     * Get the message code (From the API Spec)
+     * @return the message code
+     */
+    int getCode(){
+        return this.code;
+    }
+
+    public static RegistrationResponseStatus getResponseStatus(int typeCode){
+        switch (typeCode){
+            case 0x00:
+                return SUCCESS_SPECTATING;
+            case 0x01:
+                return SUCCESS_PLAYING;
+            case 0x02:
+                return SUCCESS_TUTORIAL;
+            case 0x03:
+                return SUCCESS_GHOSTING;
+            case 0x10:
+                return FAILURE_GENERAL;
+            case 0x11:
+                return FAILURE_FULL;
+            default:
+                return FAILURE_GENERAL;
+        }
+    }
+}

src/main/java/seng302/gameServer/messages/RoomCodeRequest.java

@@ -0,0 +1,24 @@
+package seng302.gameServer.messages;
+
+public class RoomCodeRequest extends Message{
+    private int size = 0;
+
+    @Override
+    public int getSize() {
+        return size;
+    }
+
+    public RoomCodeRequest(String roomCode){
+        size = roomCode.length() + 6;
+
+        setHeader(new Header(MessageType.ROOM_CODE_REQUEST, 0x01, (short)getSize()));
+        allocateBuffer();
+        writeHeaderToBuffer();
+
+        putInt(roomCode.length(), 6);
+        putBytes(roomCode.getBytes());
+
+        writeCRC();
+        rewind();
+    }
+}

src/main/java/seng302/gameServer/messages/RoundingBoatStatus.java

@@ -1,4 +1,4 @@
-package seng302.server.messages;
+package seng302.gameServer.messages;
 
 /**
  * The status of a boat rounding a mark

src/main/java/seng302/gameServer/messages/RoundingSide.java

@@ -0,0 +1,52 @@
+package seng302.gameServer.messages;
+
+/**
+ * The side the boat rounded the mark
+ */
+public enum RoundingSide {
+    UNKNOWN(0, "Unknown"),
+    PORT(1, "Port"),
+    STARBOARD(2, "Stbd"),
+    SP(3, "SP"),
+    PS(4, "PS");
+
+
+    private long code;
+    private String name;
+
+    RoundingSide(long code, String name) {
+        this.code = code;
+        this.name = name;
+    }
+
+    public long getCode(){
+        return code;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public static RoundingSide getRoundingSide(String identifier) {
+        RoundingSide roundingSide = UNKNOWN;
+        switch (identifier) {
+            case "Unknown":
+                roundingSide = UNKNOWN;
+                break;
+            case "Port":
+                roundingSide = PORT;
+                break;
+            case "Stbd":
+                roundingSide = STARBOARD;
+                break;
+            case "SP":
+                roundingSide = SP;
+                break;
+            case "PS":
+                roundingSide = PS;
+                break;
+        }
+
+        return roundingSide;
+    }
+}

src/main/java/seng302/gameServer/messages/ServerRegistrationMessage.java

@@ -0,0 +1,60 @@
+package seng302.gameServer.messages;
+
+import seng302.discoveryServer.util.ServerListing;
+
+public class ServerRegistrationMessage extends Message {
+    private int size;
+
+    public ServerRegistrationMessage(ServerListing serverListing) {
+        String serverName = serverListing.getServerName();
+        String mapName = serverListing.getMapName();
+        String address = serverListing.getAddress();
+        int port = serverListing.getPortNumber();
+        int players = serverListing.getPortNumber();
+        int capacity = serverListing.getCapacity();
+        String roomCode = serverListing.getRoomCode();
+
+        createMessage(serverName, mapName, address, port, players, capacity, roomCode);
+    }
+
+    @Override
+    public int getSize() {
+        return size;
+    }
+
+    public ServerRegistrationMessage(String serverName, String mapName, String address, int port, int players, int capacity, String roomCode){
+        createMessage(serverName, mapName, address, port, players, capacity, roomCode);
+    }
+
+    private void createMessage(String serverName, String mapName, String address, int port, int players, int capacity, String roomCode){
+        size = serverName.getBytes().length + mapName.length() + address.length() + roomCode.length() + 36;
+
+        setHeader(new Header(MessageType.REPO_REGISTRATION_REQUEST, 0x01, (short) getSize()));
+        allocateBuffer();
+        writeHeaderToBuffer();
+
+        int nameLength = serverName.length();
+        int mapNameLength = mapName.length();
+        int addressLength = address.length();
+        int roomCodeLength = roomCode.length();
+
+        // Put fields here
+        putInt(nameLength, 6);
+        putInt(mapNameLength, 6);
+        putInt(addressLength, 6);
+        putInt(roomCodeLength, 6);
+
+        putInt(port, 4);
+        putInt(players, 4);
+        putInt(capacity, 4);
+
+        putBytes(serverName.getBytes());
+        putBytes(mapName.getBytes());
+        putBytes(address.getBytes());
+        putBytes(roomCode.getBytes());
+
+        writeCRC();
+        rewind();
+    }
+
+}

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

@@ -1,12 +1,4 @@
-package seng302.server.messages;
+package seng302.gameServer.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;
 
 public class XMLMessage extends Message{
     private final MessageType MESSAGE_TYPE = MessageType.XML_MESSAGE;
@@ -25,6 +17,7 @@ public class XMLMessage extends Message{
      * XML Message from the AC35 Streaming data spec
      * @param content The XML content
      * @param type The XML Message Sub Type
+     * @param sequenceNum sequenceNum
      */
     public XMLMessage(String content, XMLMessageSubType type, long sequenceNum){
         this.content = content;
@@ -35,20 +28,6 @@ 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 +42,12 @@ 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/gameServer/messages/XMLMessageSubType.java

@@ -1,4 +1,4 @@
-package seng302.server.messages;
+package seng302.gameServer.messages;
 
 /**
  * Enum containing the types of XML messages

src/main/java/seng302/gameServer/messages/YachtEventCodeMessage.java

@@ -0,0 +1,52 @@
+package seng302.gameServer.messages;
+
+/**
+ * Created by zyt10 on 10/08/17.
+ */
+public class YachtEventCodeMessage extends Message {
+
+    private final MessageType MESSAGE_TYPE = MessageType.YACHT_EVENT_CODE;
+    private final int MESSAGE_VERSION = 1; //Always set to 1
+    private final int MESSAGE_SIZE = 22;
+
+    // Message fields
+    private long timeStamp;
+    private long ack = 0x00; //Unused
+    private int raceId;
+    private int destSourceId;
+    private int incidentId;
+    private int eventId;
+
+
+    public YachtEventCodeMessage(Integer subjectId, YachtEventType yachtEventType) {
+        timeStamp = System.currentTimeMillis() / 1000L;
+        ack = 0;
+        raceId = 1;
+        destSourceId = subjectId;  // collision boat source id
+        incidentId = 0;
+        eventId = yachtEventType.getCode();
+
+        setHeader(new Header(MESSAGE_TYPE, 0x01, (short) getSize()));
+        allocateBuffer();
+        writeHeaderToBuffer();
+
+        // Write message fields
+        putUnsignedByte((byte) MESSAGE_VERSION);
+        putInt((int) timeStamp, 6);
+        putInt((int) ack, 2);
+        putInt((int) raceId, 4);
+        putInt((int) destSourceId, 4);
+        putInt((int) incidentId, 4);
+        putInt((int) eventId, 1);
+
+        writeCRC();
+        rewind();
+    }
+
+    /**
+     * @return The length of this message
+     */
+    public int getSize() {
+        return MESSAGE_SIZE;
+    }
+}

src/main/java/seng302/gameServer/messages/YachtEventType.java

@@ -0,0 +1,23 @@
+package seng302.gameServer.messages;
+
+/**
+ * Created by wmu16 on 11/09/17.
+ */
+public enum YachtEventType {
+    COLLISION(33),
+    TOKEN_VELOCITY(34),
+    TOKEN_BUMPER(35),
+    TOKEN_HANDLING(36),
+    TOKEN_WIND_WALKER(37),
+    TOKEN_RANDOM(38);
+
+    private int code;
+
+    YachtEventType(int code) {
+        this.code = code;
+    }
+
+    public int getCode() {
+        return code;
+    }
+}

src/main/java/seng302/model/ClientYacht.java

@@ -0,0 +1,328 @@
+package seng302.model;
+
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Observable;
+import java.util.Observer;
+import javafx.beans.property.ReadOnlyDoubleProperty;
+import javafx.beans.property.ReadOnlyDoubleWrapper;
+import javafx.beans.property.ReadOnlyIntegerProperty;
+import javafx.beans.property.ReadOnlyIntegerWrapper;
+import javafx.beans.property.ReadOnlyLongProperty;
+import javafx.beans.property.ReadOnlyLongWrapper;
+import javafx.beans.value.ObservableObjectValue;
+import javafx.collections.FXCollections;
+import javafx.scene.paint.Color;
+import jdk.nashorn.internal.objects.annotations.Function;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import seng302.model.token.TokenType;
+import seng302.visualiser.fxObjects.assets_3D.BoatObject;
+
+/**
+ * Yacht class for the racing boat. <p> Class created to store more variables (eg. boat statuses)
+ * compared to the XMLParser boat class, also done outside Boat class because some old variables are
+ * not used anymore.
+ */
+public class ClientYacht extends Observable {
+
+    @FunctionalInterface
+    public interface YachtLocationListener {
+        void notifyLocation(ClientYacht clientYacht, double lat, double lon, double heading,
+            Boolean sailsIn, double velocity);
+    }
+
+    @FunctionalInterface
+    public interface MarkRoundingListener {
+        void notifyRounding(ClientYacht yacht, int legNumber);
+    }
+
+    @FunctionalInterface
+    public interface PowerUpListener {
+        void notifyPowerUp(ClientYacht yacht, TokenType tokenType);
+    }
+
+    private Logger logger = LoggerFactory.getLogger(ClientYacht.class);
+
+
+    private String boatType;
+    private Integer sourceId;
+    private String hullID; //matches HullNum in the XML spec.
+    private String shortName;
+    private String boatName;
+    private String country;
+    private Integer position;
+    private TokenType powerUp;
+
+    private Long estimateTimeAtFinish;
+    private Boolean sailIn = false;
+    private Integer currentMarkSeqID = 0;
+    private Long markRoundTime;
+    private Long timeTillNext;
+    private Double heading;
+    private Integer legNumber = 0;
+    private GeoPoint location;
+    private Integer boatStatus;
+    private Double currentVelocity;
+
+    private BoatObject boatObject;
+
+    private List<YachtLocationListener> locationListeners = new ArrayList<>();
+    private List<MarkRoundingListener> markRoundingListeners = new ArrayList<>();
+    private List<PowerUpListener> powerUpListeners = new ArrayList<>();
+    private ReadOnlyDoubleWrapper velocityProperty = new ReadOnlyDoubleWrapper();
+    private ReadOnlyLongWrapper timeTillNextProperty = new ReadOnlyLongWrapper();
+    private ReadOnlyLongWrapper timeSinceLastMarkProperty = new ReadOnlyLongWrapper();
+    private ReadOnlyIntegerWrapper placingProperty = new ReadOnlyIntegerWrapper();
+    private Color colour;
+
+    public ClientYacht(String boatType, Integer sourceId, String hullID, String shortName,
+        String boatName, String country) {
+        this.boatType = boatType;
+        this.sourceId = sourceId;
+        this.hullID = hullID;
+        this.shortName = shortName;
+        this.boatName = boatName;
+        this.country = country;
+        this.location = new GeoPoint(57.670341, 11.826856);
+        this.heading = 120.0;   //In degrees
+        this.currentVelocity = 0d;
+        this.boatStatus = 1;
+        this.colour = Color.rgb(0, 0, 0, 1.0);
+    }
+
+    /**
+     * Add ServerToClientThread as the observer, this observer pattern mainly server for the boat
+     * rounding package.
+     */
+    @Override
+    public void addObserver(Observer o) {
+        super.addObserver(o);
+    }
+
+    public String getBoatType() {
+        return boatType;
+    }
+
+    public Integer getSourceId() {
+        //@TODO Remove and merge with Creating Game Loop
+        if (sourceId == null) {
+            return 0;
+        }
+        return sourceId;
+    }
+
+    public String getHullID() {
+        if (hullID == null) {
+            return "";
+        }
+        return hullID;
+    }
+
+    public String getShortName() {
+        return shortName;
+    }
+
+    public String getBoatName() {
+        return boatName;
+    }
+
+    public String getCountry() {
+        if (country == null) {
+            return "";
+        }
+        return country;
+    }
+
+    public Integer getBoatStatus() {
+        return boatStatus;
+    }
+
+    public void setBoatStatus(Integer boatStatus) {
+        this.boatStatus = boatStatus;
+    }
+
+    public Integer getLegNumber() {
+        return legNumber;
+    }
+
+    public void setLegNumber(Integer legNumber) {
+        this.legNumber = legNumber;
+    }
+
+    public void setEstimateTimeTillNextMark(Long estimateTimeTillNextMark) {
+        timeTillNext = estimateTimeTillNextMark;
+    }
+
+    public String getEstimateTimeAtFinish() {
+        DateFormat format = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss");
+        return format.format(estimateTimeAtFinish);
+    }
+
+    public void setEstimateTimeAtFinish(Long estimateTimeAtFinish) {
+        this.estimateTimeAtFinish = estimateTimeAtFinish;
+    }
+
+    public Integer getPlacing() {
+        return placingProperty.get();
+    }
+
+    public void setPlacing(Integer position) {
+        placingProperty.set(position);
+    }
+
+    public ReadOnlyIntegerProperty placingProperty() {
+        return placingProperty.getReadOnlyProperty();
+    }
+
+    public void updateVelocityProperty(double velocity) {
+        this.velocityProperty.set(velocity);
+    }
+
+    public void setMarkRoundingTime(Long markRoundingTime) {
+        this.markRoundTime = markRoundingTime;
+    }
+
+    public ReadOnlyDoubleProperty getVelocityProperty() {
+        return velocityProperty.getReadOnlyProperty();
+    }
+
+    public ReadOnlyLongProperty timeTillNextProperty() {
+        return timeTillNextProperty.getReadOnlyProperty();
+    }
+
+    public Long getTimeTillNext() {
+        return timeTillNext;
+    }
+
+    public Long getMarkRoundTime() {
+        return markRoundTime;
+    }
+
+    public GeoPoint getLocation() {
+        return location;
+    }
+
+    public Integer getPosition() {
+        return position;
+    }
+
+    public void setPosition(Integer position) {
+        this.position = position;
+    }
+
+    public void setPowerUp(TokenType tokenType) {
+        this.powerUp = tokenType;
+        for (PowerUpListener listener : powerUpListeners) {
+            listener.notifyPowerUp(this, tokenType);
+        }
+    }
+
+    public TokenType getPowerUp() {
+        return powerUp;
+    }
+
+    public void toggleSail() {
+        sailIn = !sailIn;
+    }
+    //// TODO: 15/08/17 asd
+
+    /**
+     * Sets the current location of the boat in lat and long whilst preserving the last location
+     *
+     * @param lat Latitude
+     * @param lng Longitude
+     */
+    public void setLocation(Double lat, Double lng) {
+        location.setLat(lat);
+        location.setLng(lng);
+    }
+
+    public Double getHeading() {
+        return heading;
+    }
+
+    public void setHeading(Double heading) {
+        this.heading = heading;
+    }
+
+    @Override
+    public String toString() {
+        return boatName;
+    }
+
+    public void updateTimeSinceLastMarkProperty(long timeSinceLastMark) {
+        this.timeSinceLastMarkProperty.set(timeSinceLastMark);
+    }
+
+    public ReadOnlyLongProperty timeSinceLastMarkProperty() {
+        return timeSinceLastMarkProperty.getReadOnlyProperty();
+    }
+
+    public void setTimeTillNext(Long timeTillNext) {
+        this.timeTillNext = timeTillNext;
+    }
+
+
+    public Color getColour() {
+        return colour;
+    }
+
+    public void setColour(Color colour) {
+        this.colour = colour;
+    }
+
+
+    public void updateLocation(double lat, double lng, double heading, double velocity) {
+        setLocation(lat, lng);
+        this.heading = heading;
+        this.currentVelocity = velocity;
+        updateVelocityProperty(velocity);
+        for (YachtLocationListener yll : locationListeners) {
+            yll.notifyLocation(this, lat, lng, heading, sailIn, velocity);
+        }
+    }
+
+    public void addLocationListener(YachtLocationListener listener) {
+        locationListeners.add(listener);
+    }
+
+    public void addMarkRoundingListener(MarkRoundingListener listener) {
+        markRoundingListeners.add(listener);
+    }
+
+    public void addPowerUpListener(PowerUpListener listener) {
+        powerUpListeners.add(listener);
+    }
+
+    public void removeMarkRoundingListener(MarkRoundingListener listener) {
+        markRoundingListeners.remove(listener);
+    }
+
+    public boolean getSailIn () {
+        return sailIn;
+    }
+
+    public void roundMark(long markRoundTime, long timeSinceLastMark) {
+        this.markRoundTime = markRoundTime;
+        timeSinceLastMarkProperty.set(timeSinceLastMark);
+        legNumber++;
+        for (MarkRoundingListener listener : markRoundingListeners) {
+            listener.notifyRounding(this, legNumber);
+        }
+    }
+
+    public Double getCurrentVelocity() {
+        return currentVelocity;
+    }
+
+    public void setBoatObject(BoatObject newBoatObject) {
+        this.boatObject = newBoatObject;
+    }
+
+    public BoatObject getBoatObject() {
+        return this.boatObject;
+    }
+}

src/main/java/seng302/model/Colors.java

@@ -0,0 +1,14 @@
+package seng302.model;
+
+import javafx.scene.paint.Color;
+
+/**
+ * Enum for generating colours.
+ */
+public enum Colors {
+    RED, PERU, GOLD, GREEN, BLUE, PURPLE, DEEPPINK, GRAY;
+
+    public static Color getColor(Integer index) {
+        return Color.valueOf(values()[index].toString());
+    }
+}

src/main/java/seng302/model/GeoPoint.java

@@ -1,18 +1,18 @@
-package seng302.server.simulator.mark;
+package seng302.model;
 
-public class Position {
+/**
+ * A class represent Geo location (latitude, lnggitude).
+ * Created by Haoming on 15/5/2017
+ */
+public class GeoPoint {
 
-	double lat, lng;
+	private double lat, lng;
 
-	public Position(double lat, double lng) {
+	public GeoPoint(double lat, double lng) {
 		this.lat = lat;
 		this.lng = lng;
 	}
 
-	public String toString() {
-		return String.format("Position at lat:%f lng:%f.", lat, lng);
-	}
-
 	public double getLat() {
 		return lat;
 	}
@@ -28,4 +28,9 @@ public class Position {
 	public void setLng(double lng) {
 		this.lng = lng;
 	}
+
+	@Override
+	public String toString() {
+		return "lat: " + lat + " lng: " + lng;
+	}
 }

src/main/java/seng302/model/Limit.java

@@ -0,0 +1,18 @@
+package seng302.model;
+
+/**
+ * Stores data on the border of a race
+ */
+public class Limit extends GeoPoint {
+
+    private Integer seqID;
+
+    public Limit(Integer seqID, Double lat, Double lng) {
+        super(lat, lng);
+        this.seqID = seqID;
+    }
+
+    public Integer getSeqID() {
+        return seqID;
+    }
+}

src/main/java/seng302/model/Player.java

@@ -0,0 +1,68 @@
+package seng302.model;
+
+import java.net.Socket;
+
+/**
+ * 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 ServerYacht yacht;
+    private Integer lastMarkPassed;
+
+
+    public Player(Socket socket, ServerYacht yacht) {
+        this.socket = socket;
+        this.yacht = yacht;
+    }
+
+    public Socket getSocket() {
+        return socket;
+    }
+
+    public Integer getLastMarkPassed() {
+        return lastMarkPassed;
+    }
+
+    public void setLastMarkPassed(Integer lastMarkPassed) {
+        this.lastMarkPassed = lastMarkPassed;
+    }
+
+    public ServerYacht 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/model/PolarTable.java

@@ -1,7 +1,9 @@
-package seng302.models;
+package seng302.model;
 
-import java.io.*;
+import java.io.BufferedReader;
-import java.util.ArrayList;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
 import java.util.HashMap;
 
 /**
@@ -24,9 +26,9 @@ 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
+     * @param polarFile polarFile to be parsed
      */
-    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(",");
 
@@ -67,7 +69,7 @@ public final class PolarTable {
             }
 
         } catch (IOException e) {
-            e.printStackTrace();
+            System.out.println("[PolarTable] IO exception");
         }
     }
 
@@ -122,7 +124,7 @@ public final class PolarTable {
      */
     public static HashMap<Double, Double> getOptimalUpwindVMG(Double thisWindSpeed) {
 
-        Double polarWindSpeed = getClosestMatch(thisWindSpeed);
+        Double polarWindSpeed = getClosestWindSpeedInPolar(thisWindSpeed);
         return upwindOptimal.get(polarWindSpeed);
     }
 
@@ -134,30 +136,47 @@ public final class PolarTable {
      */
     public static HashMap<Double, Double> getOptimalDownwindVMG(Double thisWindSpeed) {
 
-        Double polarWindSpeed = getClosestMatch(thisWindSpeed);
+        Double polarWindSpeed = getClosestWindSpeedInPolar(thisWindSpeed);
         return downwindOptimal.get(polarWindSpeed);
     }
 
 
-    private static Double getClosestMatch(Double thisWindSpeed) {
+    public static Double getBoatSpeed(Double thisWindSpeed, Double thisHeading) {
 
-        ArrayList<Double> windValues = new ArrayList<>(polarTable.keySet());
+        Double polarWindSpeed = getClosestWindSpeedInPolar(thisWindSpeed);
+        Double polarAngle = getClosestAngleInPolar(polarTable.get(polarWindSpeed), thisHeading);
 
-        Double lowerVal = windValues.get(0);
+        return polarTable.get(polarWindSpeed).get(polarAngle);
-        Double upperVal = windValues.get(1);
-
-        for(int i = 0; i < windValues.size() - 1; i++) {
-            lowerVal = windValues.get(i);
-            upperVal = windValues.get(i+1);
-            if (thisWindSpeed <= upperVal) {
-                break;
-            }
     }
 
-        Double lowerDiff = Math.abs(lowerVal - thisWindSpeed);
-        Double upperDiff = Math.abs(upperVal - thisWindSpeed);
 
-        return (lowerDiff <= upperDiff) ? lowerVal : upperVal;
+    public static Double getClosestWindSpeedInPolar(Double thisWindSpeed) {
+        Double smallestDif = Double.POSITIVE_INFINITY;
+        Double closestWind = 0d;
+        for (Double polarWindSpeed : polarTable.keySet()) {
+            Double difference = Math.abs(polarWindSpeed - thisWindSpeed);
+            if (difference < smallestDif) {
+                smallestDif = difference;
+                closestWind = polarWindSpeed;
             }
+        }
+        return closestWind;
+    }
+
+
+    public static Double getClosestAngleInPolar(HashMap<Double, Double> thisWindSpeedPolar, Double thisHeading) {
+        Double smallestDif = Double.POSITIVE_INFINITY;
+        Double closestAngle = 0d;
+
+        for (Double polarAngle : thisWindSpeedPolar.keySet()) {
+            Double difference = Math.abs(polarAngle - thisHeading);
+            if (difference < smallestDif) {
+                smallestDif = difference;
+                closestAngle = polarAngle;
+            }
+        }
+        return closestAngle;
+    }
+
 
 }

src/main/java/seng302/model/RaceState.java

@@ -0,0 +1,137 @@
+package seng302.model;
+
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.TimeZone;
+import javafx.beans.property.ReadOnlyDoubleProperty;
+import javafx.beans.property.ReadOnlyDoubleWrapper;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import seng302.model.stream.parser.RaceStartData;
+import seng302.model.stream.parser.RaceStatusData;
+import seng302.utilities.Sounds;
+
+/**
+ * Class for storing race data that does not relate to specific vessels or marks such as time or wind.
+ * Calculates the state of critical race attributes when relevant data is added.
+ */
+public class RaceState {
+
+    @FunctionalInterface
+    public interface CollisionListener {
+        void notifyCollision(GeoPoint location);
+    }
+
+//    private final DateFormat DATE_TIME_FORMAT = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss");
+    private final DateFormat DATE_TIME_FORMAT = new SimpleDateFormat("HH:mm:ss");
+    private ReadOnlyDoubleWrapper windSpeed = new ReadOnlyDoubleWrapper();
+    private ReadOnlyDoubleWrapper windDirection = new ReadOnlyDoubleWrapper();
+    private long serverSystemTime;
+    private long expectedStartTime;
+    private boolean raceRunning = false;
+    private boolean gunFired = false;
+    private boolean raceFinished = false;
+    long timeTillStart;
+    private ObservableList<ClientYacht> playerPositions;
+    private List<ClientYacht> collisions = new ArrayList<>();
+    private List<CollisionListener> collisionListeners = new ArrayList<>();
+
+    public RaceState() {
+        playerPositions = FXCollections.observableArrayList();
+    }
+
+    public void updateState (RaceStatusData data) {
+        this.windSpeed.set(data.getWindSpeed());
+        this.windDirection.set(data.getWindDirection());
+        this.serverSystemTime = data.getCurrentTime();
+        this.expectedStartTime = data.getExpectedStartTime();
+        this.raceRunning = data.isRaceStarted();
+    }
+
+    public void setTimeZone (TimeZone timeZone) {
+        DATE_TIME_FORMAT.setTimeZone(timeZone);
+    }
+
+    public void updateState (RaceStartData data) {
+        this.timeTillStart = data.getRaceStartTime();
+    }
+
+    public String getRaceTimeStr () {
+        long raceTime = serverSystemTime - expectedStartTime;
+        if (raceTime < 0) {
+            return "-" + DATE_TIME_FORMAT.format(-1 * (raceTime - 1000));
+        } else {
+            if (!gunFired) {
+                gunFired = true;
+                Sounds.playCapGunSound();
+            }
+            return DATE_TIME_FORMAT.format(serverSystemTime - expectedStartTime);
+        }
+    }
+
+    public long getTimeTillStart () {
+        return (expectedStartTime - serverSystemTime);
+    }
+
+    public double getWindSpeed() {
+        return windSpeed.doubleValue();
+    }
+
+    public ReadOnlyDoubleProperty windSpeedProperty() {
+        return windSpeed.getReadOnlyProperty();
+    }
+
+    public ReadOnlyDoubleProperty windDirectionProperty() {
+        return windDirection.getReadOnlyProperty();
+    }
+
+    public long getRaceTime() {
+        return serverSystemTime;
+    }
+
+    public boolean isRaceStarted () {
+        return raceRunning;
+    }
+
+    public void setRaceStarted(Boolean value) {
+        this.raceRunning = value;
+    }
+    public void setBoats(Collection<ClientYacht> clientYachts) {
+        playerPositions.setAll(clientYachts);
+    }
+
+    public void sortPlayers() {
+        playerPositions.sort((yacht1, yacht2) -> Integer.compare(yacht2.getLegNumber(),
+            yacht1.getLegNumber()));
+    }
+
+    public ObservableList<ClientYacht> getPlayerPositions() {
+        return playerPositions;
+    }
+
+    public void storeCollision(ClientYacht yacht) {
+        collisions.add(yacht);
+        for (CollisionListener collisionListener : collisionListeners) {
+            collisionListener.notifyCollision(yacht.getLocation());
+        }
+    }
+
+    public void addCollisionListener(CollisionListener collisionListener) {
+        collisionListeners.add(collisionListener);
+    }
+
+    public void removeCollisionListener(CollisionListener collisionListener) {
+        collisionListeners.remove(collisionListener);
+    }
+
+    public void setRaceFinished() {
+        raceFinished = true;
+    }
+
+    public Boolean getRaceFinished() {
+        return raceFinished;
+    }
+}

src/main/java/seng302/model/ServerYacht.java

@@ -0,0 +1,424 @@
+package seng302.model;
+
+import javafx.scene.paint.Color;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import seng302.gameServer.GameState;
+import seng302.gameServer.messages.BoatStatus;
+import seng302.model.mark.Mark;
+import seng302.model.token.TokenType;
+import seng302.utilities.GeoUtility;
+
+import java.util.HashMap;
+import java.util.Observable;
+import java.util.Observer;
+
+/**
+ * Yacht class for the racing boat. <p> Class created to store more variables (eg. boat statuses)
+ * compared to the XMLParser boat class, also done outside Boat class because some old variables are
+ * not used anymore.
+ */
+public class ServerYacht {
+
+    private Logger logger = LoggerFactory.getLogger(ClientYacht.class);
+
+    public static final Double TURN_STEP = 5.0;
+
+    //Boat info
+    private String boatType;
+    private Integer sourceId;
+    private String hullID; //matches HullNum in the XML spec.
+    private String shortName;
+    private String boatName;
+    private String country;
+    private BoatStatus boatStatus;
+    private Color boatColor;
+
+    //Location
+    private Double lastHeading;
+    private Boolean sailIn;
+    private Double heading;
+    private GeoPoint lastLocation;
+    private GeoPoint location;
+    private Double currentVelocity;
+    private Boolean isAuto;
+    private Double autoHeading;
+    private Integer legNumber;
+
+    //Mark Rounding
+    private Integer currentMarkSeqID;
+    private Boolean hasEnteredRoundingZone;
+    private Mark closestCurrentMark;
+    private Boolean hasPassedLine;
+    private Boolean hasPassedThroughGate;
+
+    //PowerUp
+    private TokenType powerUp;
+    private Long powerUpStartTime;
+
+
+    public ServerYacht(String boatType, Integer sourceId, String hullID, String shortName,
+        String boatName, String country) {
+        this.boatType = boatType;
+        this.boatStatus = BoatStatus.PRESTART;
+        this.sourceId = sourceId;
+        this.hullID = hullID;
+        this.shortName = shortName;
+        this.boatName = boatName;
+        this.country = country;
+        this.sailIn = false;
+        this.isAuto = false;
+        this.location = new GeoPoint(57.67046, 11.83751);
+        this.lastLocation = location;
+        this.heading = 120.0;   //In degrees
+        this.currentVelocity = 0d;     //in mms-1
+        this.currentMarkSeqID = 0;
+        this.legNumber = 0;
+        this.boatColor = Colors.getColor(sourceId - 1);
+        this.powerUp = null;
+
+        this.hasEnteredRoundingZone = false;
+        this.hasPassedLine = false;
+        this.hasPassedThroughGate = false;
+    }
+
+
+    /**
+     * Changes the boats current currentVelocity by a set amount, positive or negative
+     *
+     * @param velocityChange The ammount to change the currentVelocity by, in mms-1
+     */
+    public void changeVelocity(Double velocityChange) {
+        currentVelocity += velocityChange;
+    }
+
+    /**
+     * Updates the boat to a new GeoPoint whilst preserving the last location
+     *
+     * @param secondsElapsed The seconds elapsed since the last update of this yacht
+     */
+    public void updateLocation(Double secondsElapsed) {
+        lastLocation = location;
+        location = GeoUtility.getGeoCoordinate(location, heading, currentVelocity * secondsElapsed);
+    }
+
+    public void setLocation(GeoPoint geoPoint) {
+        location = geoPoint;
+    }
+
+    public void powerUp(TokenType powerUp) {
+        this.powerUp = powerUp;
+        powerUpStartTime = System.currentTimeMillis();
+    }
+
+    public void powerDown() {
+        this.powerUp = null;
+    }
+
+    public Long getPowerUpStartTime() {
+        return powerUpStartTime;
+    }
+
+    public TokenType getPowerUp() {
+        return powerUp;
+    }
+
+    /**
+     * Adjusts the heading of the boat by a given amount, while recording the boats last heading.
+     *
+     * @param amount the amount by which to adjust the boat heading.
+     */
+    public void adjustHeading(Double amount) {
+        Double newVal = heading + amount;
+        lastHeading = heading;
+        heading = (double) Math.floorMod(newVal.longValue(), 360L);
+    }
+
+    /**
+     * Swaps the boats direction from one side of the wind to the other.
+     * @param windDirection .
+     */
+    public void tackGybe(Double windDirection) {
+        if (isAuto) {
+            disableAutoPilot();
+        } else {
+            Double normalizedHeading = normalizeHeading();
+            Double newVal = (-2 * normalizedHeading) + heading;
+            Double newHeading = (double) Math.floorMod(newVal.longValue(), 360L);
+            setAutoPilot(newHeading);
+        }
+    }
+
+    /**
+     * Enables the boats auto pilot feature, which will move the boat towards a given heading.
+     *
+     * @param thisHeading The heading to move the boat towards.
+     */
+    private void setAutoPilot(Double thisHeading) {
+        isAuto = true;
+        autoHeading = thisHeading;
+    }
+
+    /**
+     * Disables the auto pilot function.
+     */
+    public void disableAutoPilot() {
+        isAuto = false;
+    }
+
+    /**
+     * Moves the boat towards the given heading when the auto pilot was set. Disables the auto pilot
+     * in the event that the boat is within the range of 1 turn step of its goal.
+     */
+    public void runAutoPilot() {
+        if (isAuto) {
+            turnTowardsHeading(autoHeading);
+            if (Math.abs(heading - autoHeading)
+                <= TURN_STEP) { //Cancel when within 1 turn step of target.
+                isAuto = false;
+            }
+        }
+    }
+
+    public void toggleSailIn() {
+        sailIn = !sailIn;
+    }
+
+    public void turnUpwind() {
+        disableAutoPilot();
+        Double normalizedHeading = normalizeHeading();
+        if (normalizedHeading == 0) {
+            if (lastHeading < 180) {
+                adjustHeading(-TURN_STEP);
+            } else {
+                adjustHeading(TURN_STEP);
+            }
+        } else if (normalizedHeading == 180) {
+            if (lastHeading < 180) {
+                adjustHeading(TURN_STEP);
+            } else {
+                adjustHeading(-TURN_STEP);
+            }
+        } else if (normalizedHeading < 180) {
+            adjustHeading(-TURN_STEP);
+        } else {
+            adjustHeading(TURN_STEP);
+        }
+    }
+
+    public void turnDownwind() {
+        disableAutoPilot();
+        Double normalizedHeading = normalizeHeading();
+        if (normalizedHeading == 0) {
+            if (lastHeading < 180) {
+                adjustHeading(TURN_STEP);
+            } else {
+                adjustHeading(-TURN_STEP);
+            }
+        } else if (normalizedHeading == 180) {
+            if (lastHeading < 180) {
+                adjustHeading(-TURN_STEP);
+            } else {
+                adjustHeading(TURN_STEP);
+            }
+        } else if (normalizedHeading < 180) {
+            adjustHeading(TURN_STEP);
+        } else {
+            adjustHeading(-TURN_STEP);
+        }
+    }
+
+    /**
+     * Takes the VMG from the polartable for upwind or downwind depending on the boats direction,
+     * and uses this to calculate a heading to move the yacht towards.
+     */
+    public void turnToVMG() {
+        if (isAuto) {
+            disableAutoPilot();
+        } else {
+            Double normalizedHeading = normalizeHeading();
+            Double optimalHeading;
+            HashMap<Double, Double> optimalPolarMap;
+
+            if (normalizedHeading >= 90 && normalizedHeading <= 270) { // Downwind
+                optimalPolarMap = PolarTable.getOptimalDownwindVMG(GameState.getWindSpeedKnots());
+            } else {
+                optimalPolarMap = PolarTable.getOptimalUpwindVMG(GameState.getWindSpeedKnots());
+            }
+            optimalHeading = optimalPolarMap.keySet().iterator().next();
+
+            if (normalizedHeading > 180) {
+                optimalHeading = 360 - optimalHeading;
+            }
+
+            // Take optimal heading and turn into a boat heading rather than a wind heading.
+            optimalHeading =
+                optimalHeading + GameState.getWindDirection();
+
+            setAutoPilot(optimalHeading);
+        }
+    }
+
+    /**
+     * Takes a given heading and rotates the boat towards that heading. This does not care about
+     * being upwind or downwind, just which direction will reach a given heading faster.
+     *
+     * @param newHeading The heading to turn the yacht towards.
+     */
+    private void turnTowardsHeading(Double newHeading) {
+        Double newVal = heading - newHeading;
+        if (Math.floorMod(newVal.longValue(), 360L) > 180) {
+            adjustHeading(TURN_STEP / 5);
+        } else {
+            adjustHeading(-TURN_STEP / 5);
+        }
+    }
+
+    /**
+     * Returns a heading normalized for the wind direction. Heading direction into the wind is 0,
+     * directly away is 180.
+     *
+     * @return The normalized heading accounting for wind direction.
+     */
+    private Double normalizeHeading() {
+        Double normalizedHeading = heading - GameState.windDirection;
+        normalizedHeading = (double) Math.floorMod(normalizedHeading.longValue(), 360L);
+        return normalizedHeading;
+    }
+
+    public Integer getSourceId() {
+        //@TODO Remove and merge with Creating Game Loop
+        if (sourceId == null) {
+            return 0;
+        }
+        return sourceId;
+    }
+
+    // TODO: 15/08/17 This method is implicitly called from the XML generator for boats DO NOT DELETE
+    public String getHullID() {
+        if (hullID == null) {
+            return "";
+        }
+        return hullID;
+    }
+
+    // TODO: 15/08/17 This method is implicitly called from the XML generator for boats DO NOT DELETE
+    public String getShortName() {
+        return shortName;
+    }
+
+    public String getBoatName() {
+        return boatName;
+    }
+
+    public String getCountry() {
+        if (country == null) {
+            return "";
+        }
+        return country;
+    }
+
+    public void setBoatName(String name) {
+        boatName = name;
+        shortName = name.split(" ")[0];
+    }
+
+    public GeoPoint getLocation() {
+        return location;
+    }
+
+
+    public Double getHeading() {
+        return heading;
+    }
+
+    public void setHeading(Double heading) {
+        this.heading = heading;
+    }
+
+    public Boolean getSailIn() {
+        return sailIn;
+    }
+
+    @Override
+    public String toString() {
+        return boatName;
+    }
+
+    public Double getCurrentVelocity() {
+        return currentVelocity;
+    }
+
+    public void setCurrentVelocity(Double currentVelocity) {
+        this.currentVelocity = currentVelocity;
+    }
+
+    public Integer getCurrentMarkSeqID() {
+        return currentMarkSeqID;
+    }
+
+    public GeoPoint getLastLocation() {
+        return lastLocation;
+    }
+
+    public Mark getClosestCurrentMark() {
+        return closestCurrentMark;
+    }
+
+    public void setClosestCurrentMark(Mark closestCurrentMark) {
+        this.closestCurrentMark = closestCurrentMark;
+    }
+
+    public void setHasEnteredRoundingZone(Boolean hasEnteredRoundingZone) {
+        this.hasEnteredRoundingZone = hasEnteredRoundingZone;
+    }
+
+    public void setHasPassedLine(Boolean hasPassedLine) {
+        this.hasPassedLine = hasPassedLine;
+    }
+
+    public void setHasPassedThroughGate(Boolean hasPassedThroughGate) {
+        this.hasPassedThroughGate = hasPassedThroughGate;
+    }
+
+    public BoatStatus getBoatStatus() {
+        return boatStatus;
+    }
+
+    public void setBoatStatus(BoatStatus boatStatus) {
+        this.boatStatus = boatStatus;
+    }
+
+    public void incrementMarkSeqID() {
+        currentMarkSeqID++;
+    }
+
+    public Boolean hasEnteredRoundingZone() {
+        return hasEnteredRoundingZone;
+    }
+
+    public Boolean hasPassedThroughGate() {
+        return hasPassedThroughGate;
+    }
+
+    public Boolean hasPassedLine() {
+        return hasPassedLine;
+    }
+
+    public void incrementLegNumber() {
+        legNumber++;
+    }
+
+    public Integer getLegNumber() {
+        return legNumber;
+    }
+
+    public void setBoatColor(Color color) {
+        this.boatColor = color;
+    }
+
+    public Color getBoatColor() {
+        return boatColor;
+    }
+
+}

src/main/java/seng302/model/mark/CompoundMark.java

@@ -0,0 +1,130 @@
+package seng302.model.mark;
+
+import java.util.ArrayList;
+import java.util.List;
+import seng302.gameServer.messages.RoundingSide;
+import seng302.model.GeoPoint;
+import seng302.utilities.GeoUtility;
+
+public class CompoundMark {
+
+	private int compoundMarkId;
+	private String name;
+	private List<Mark> marks = new ArrayList<>();
+    private GeoPoint midPoint;
+
+    public CompoundMark(int markID, String name, List<Mark> marks) {
+        this.compoundMarkId = markID;
+        this.name = name;
+        this.marks.addAll(marks);
+        if (marks.size() > 1) {
+            this.midPoint = GeoUtility.getDirtyMidPoint(marks.get(0), marks.get(1));
+        } else {
+            this.midPoint = marks.get(0);
+        }
+    }
+
+	/**
+	 * Prints out compoundMark's info and its marks, good for testing
+	 * @return a string showing its details
+	 */
+	@Override
+	public String toString(){
+		String info = String.format(
+			"CompoundMark: %d (%s), [%s", compoundMarkId, name, marks.get(0).toString()
+		);
+		if (marks.size() > 1) {
+			info += String.format(", %s", marks.get(1).toString());
+		}
+		return info + "]";
+	}
+
+	public int getId() {
+		return compoundMarkId;
+	}
+
+	public void setId (int markID) {
+		this.compoundMarkId = markID;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+    public void setRoundingSide(RoundingSide roundingSide) {;
+        switch (roundingSide) {
+            case SP:
+                getSubMark(1).setRoundingSide(RoundingSide.STARBOARD);
+                getSubMark(2).setRoundingSide(RoundingSide.PORT);
+                break;
+            case PS:
+                getSubMark(1).setRoundingSide(RoundingSide.PORT);
+                getSubMark(2).setRoundingSide(RoundingSide.STARBOARD);
+                break;
+            case PORT:
+                getSubMark(1).setRoundingSide(RoundingSide.PORT);
+                break;
+            case STARBOARD:
+                getSubMark(1).setRoundingSide(RoundingSide.STARBOARD);
+                break;
+
+
+        }
+    }
+
+    /**
+     * Returns the mark contained in the compound mark. Marks are numbered 1 to n;
+     * @param singleMarkId the id of the desired mark contained in this compound mark.
+     * @return the desired mark. Returns null if the ID is not in range (1, NUM_MARKS)
+     */
+	public Mark getSubMark(int singleMarkId) {
+	    try {
+            return marks.get(singleMarkId - 1);
+        } catch (IndexOutOfBoundsException e) {
+	        return null;
+        }
+    }
+
+    /**
+     * NOTE: This is a 'dirty' mid point as it is simply calculated as an xy point would be.
+     * NO CHECKING FOR LAT / LNG WRAPPING IS DONE IN CREATION OF THIS MIDPOINT
+     *
+     * @return GeoPoint of the midpoint of the two marks, or the one mark if there is only one
+     */
+    public GeoPoint getMidPoint() {
+        return midPoint;
+    }
+
+    /**
+     * Returns whether or not this CompoundMark is a Gate. It is generally cleaner to program to a
+     * specific singleMark or the list of marks.
+     *
+     * @return True if the compound mark is a gate, false otherwise.
+     */
+    public boolean isGate () {
+	    return marks.size() > 1;
+    }
+
+    /**
+     * Returns the list of marks in the compoundMark
+     *
+     * @return All marks contained in this mark.
+     */
+    public List<Mark> getMarks () {
+        return marks;
+    }
+
+	@Override
+	public int hashCode() {
+    	int hash = 0;
+    	for (Mark mark : marks) {
+    		hash += Double.hashCode(mark.getSourceID()) + Double.hashCode(mark.getLat())
+				+ Double.hashCode(mark.getLng()) + mark.getName().hashCode();
+		}
+		return hash + getName().hashCode() + Integer.hashCode(getId());
+	}
+}

src/main/java/seng302/model/mark/Corner.java

@@ -0,0 +1,35 @@
+package seng302.model.mark;
+
+/**
+ * Stores the data for the cornering of a mark.
+ */
+public class Corner {
+
+    private Integer seqID;
+    private Integer compoundMarkID;
+    private String rounding;
+    private Integer zoneSize;
+
+    public Corner(Integer seqID, Integer compoundMarkID, String rounding, Integer zoneSize) {
+        this.seqID = seqID;
+        this.compoundMarkID = compoundMarkID;
+        this.rounding = rounding;
+        this.zoneSize = zoneSize;
+    }
+
+    public Integer getSeqID() {
+        return seqID;
+    }
+
+    public Integer getCompoundMarkID() {
+        return compoundMarkID;
+    }
+
+    public String getRounding() {
+        return rounding;
+    }
+
+    public Integer getZoneSize() {
+        return zoneSize;
+    }
+}

src/main/java/seng302/model/mark/Mark.java

@@ -0,0 +1,86 @@
+package seng302.model.mark;
+
+import java.util.ArrayList;
+import java.util.List;
+import seng302.gameServer.messages.RoundingSide;
+import seng302.model.GeoPoint;
+
+/**
+ * An abstract class to represent general marks
+ * Created by Haoming Yin (hyi25) on 17/3/17.
+ */
+public class Mark extends GeoPoint {
+
+    @FunctionalInterface
+    public interface PositionListener {
+        void notifyPositionChange(Mark mark, double lat, double lon);
+    }
+
+    private int seqID;
+    private String name;
+    private int sourceID;
+    private List<PositionListener> positionListeners = new ArrayList<>();
+    private RoundingSide roundingSide;
+
+    public Mark(String name, int seqID, double lat, double lng, int sourceID) {
+        super(lat, lng);
+        this.name = name;
+        this.sourceID = sourceID;
+        this.seqID = seqID;
+    }
+
+    /**
+     * Prints out mark's info and its geo location, good for testing
+     * @return a string showing its details
+     */
+    @Override
+    public String toString() {
+        return String.format("Mark%d: %s, source: %d, lat: %f, lng: %f", seqID, name, sourceID, getLat(), getLng());
+    }
+
+    public int getSeqID() {
+        return seqID;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public int getSourceID() {
+        return sourceID;
+    }
+
+    public RoundingSide getRoundingSide() {
+        return roundingSide;
+    }
+
+    public void setRoundingSide(RoundingSide roundingSide) {
+        this.roundingSide = roundingSide;
+    }
+
+    public void setSourceID(int sourceID) {
+        this.sourceID = sourceID;
+    }
+
+    public void updatePosition (double lat, double lon) {
+        this.setLat(lat);
+        this.setLng(lon);
+        for (PositionListener listener : positionListeners) {
+            listener.notifyPositionChange(this, lat, lon);
+        }
+    }
+
+    public void addPositionListener (PositionListener listener) {
+        positionListeners.add(listener);
+    }
+
+    public void removePositionListener (PositionListener listener) {
+        positionListeners.remove(listener);
+    }
+}
+
+

src/main/java/seng302/model/mark/MarkOrder.java

@@ -0,0 +1,143 @@
+package seng302.model.mark;
+
+import java.io.IOException;
+import java.io.StringReader;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.w3c.dom.Document;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+import seng302.gameServer.messages.RoundingSide;
+import seng302.model.ServerYacht;
+import seng302.model.stream.xml.generator.RaceXMLTemplate;
+import seng302.model.stream.xml.parser.RaceXMLData;
+import seng302.model.token.Token;
+import seng302.utilities.XMLGenerator;
+import seng302.utilities.XMLParser;
+import java.util.*;
+
+/**
+ * Class to hold the order of the marks in the race.
+ */
+public class MarkOrder {
+    private List<CompoundMark> raceMarkOrder;
+    private Logger logger = LoggerFactory.getLogger(MarkOrder.class);
+    private Set<Mark> allMarks;
+
+    public MarkOrder(){
+        loadRaceProperties();
+    }
+
+    /**
+     * @return An ordered list of marks in the race
+     *         OR null if the mark order could not be loaded
+     */
+    public List<CompoundMark> getMarkOrder() {
+        if (raceMarkOrder == null){
+            logger.warn("Race order accessed but not instantiated");
+            return null;
+        }
+
+        return Collections.unmodifiableList(raceMarkOrder);
+    }
+
+    /**
+     * @param seqID The seqID of the current mark the boat is heading to
+     * @return A Boolean indicating if this coming mark is the last one (finish line)
+     */
+    public Boolean isLastMark(Integer seqID) {
+        return seqID == raceMarkOrder.size() - 1;
+    }
+
+    /**
+     * @param currentSeqID The seqID of the current mark the boat is heading to
+     * @return The mark last passed
+     * @throws IndexOutOfBoundsException if there is no next mark. Check seqID != 0 first
+     */
+    public CompoundMark getPreviousMark(Integer currentSeqID) throws IndexOutOfBoundsException {
+        return raceMarkOrder.get(currentSeqID - 1);
+    }
+
+    public CompoundMark getCurrentMark(Integer currentSeqID) {
+        return raceMarkOrder.get(currentSeqID);
+    }
+
+    /**
+     * @param currentSeqID The seqID of the current mark the boat is heading to
+     * @return The mark following the mark that the boat is heading to
+     * @throws IndexOutOfBoundsException if there is no next mark. Check using {@link
+     * #isLastMark(Integer)}
+     */
+    public CompoundMark getNextMark(Integer currentSeqID) throws IndexOutOfBoundsException {
+        return raceMarkOrder.get(currentSeqID + 1);
+    }
+
+    public Set<Mark> getAllMarks(){
+        return Collections.unmodifiableSet(allMarks);
+    }
+
+    /**
+     * Loads the race order from an XML string
+     * @param xml An AC35 RaceXML
+     * @return An ordered list of marks in the race
+     */
+    private List<CompoundMark> loadRaceOrderFromXML(String xml) {
+
+        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+        DocumentBuilder db;
+        Document doc;
+        allMarks = new HashSet<>();
+
+        try {
+            db = dbf.newDocumentBuilder();
+            doc = db.parse(new InputSource(new StringReader(xml)));
+        } catch (ParserConfigurationException | IOException | SAXException e) {
+            logger.error("Failed to read generated race XML");
+            return null;
+        }
+        
+        RaceXMLData data = XMLParser.parseRace(doc);
+
+        if (data != null){
+            logger.debug("Loaded RaceXML for mark order");
+            List<Corner> corners = data.getMarkSequence();
+            Map<Integer, CompoundMark> marks = data.getCompoundMarks();
+            List<CompoundMark> course = new ArrayList<>();
+            for (Corner corner : corners){
+                CompoundMark compoundMark = marks.get(corner.getCompoundMarkID());
+                compoundMark.setRoundingSide(
+                    RoundingSide.getRoundingSide(corner.getRounding())
+                );
+                course.add(compoundMark);
+                allMarks.addAll(compoundMark.getMarks());
+            }
+
+            return course;
+        }
+
+        return null;
+    }
+
+    /**
+     * Load the raceXML and mark order
+     */
+    private void loadRaceProperties(){
+        XMLGenerator generator = new XMLGenerator();
+
+        // TODO: 29/08/17 wmu16 - This is terrible, having to make a template just to receive constant data
+        generator.setRaceTemplate(new RaceXMLTemplate(
+            new ArrayList<>(),
+            new ArrayList<>()));
+
+        String raceXML = generator.getRaceAsXml();
+
+        if (raceXML == null){
+            logger.error("Failed to generate raceXML (for race properties)");
+            return;
+        }
+        raceMarkOrder = loadRaceOrderFromXML(raceXML);
+    }
+}

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

@@ -0,0 +1,78 @@
+package seng302.model.stream.packets;
+
+public enum PacketType {
+    HEARTBEAT,
+    RACE_STATUS,
+    DISPLAY_TEXT_MESSAGE,
+    RACE_XML,
+    REGATTA_XML,
+    BOAT_XML,
+    RACE_START_STATUS,
+    YACHT_EVENT_CODE,
+    YACHT_ACTION_CODE,
+    CHATTER_TEXT,
+    BOAT_LOCATION,
+    MARK_ROUNDING,
+    COURSE_WIND,
+    AVG_WIND,
+    BOAT_ACTION,
+    OTHER,
+    RACE_REGISTRATION_REQUEST,
+    RACE_REGISTRATION_RESPONSE,
+    RACE_CUSTOMIZATION_REQUEST,
+    RACE_CUSTOMIZATION_RESPONSE,
+
+    SERVER_REGISTRATION, ROOM_CODE_REQUEST, LOBBY_REQUEST;
+
+    public static PacketType assignPacketType(int packetType, byte[] payload){
+        switch(packetType){
+            case 1:
+                return HEARTBEAT;
+            case 12:
+                return RACE_STATUS;
+            case 20:
+                return DISPLAY_TEXT_MESSAGE;
+            case 26:
+                switch (payload[9]) { //The type of XML message
+                    case 5:
+                        return REGATTA_XML;
+                    case 6:
+                        return RACE_XML;
+                    case 7:
+                        return BOAT_XML;
+                }
+            case 27:
+                return RACE_START_STATUS;
+            case 29:
+                return YACHT_EVENT_CODE;
+            case 31:
+                return YACHT_ACTION_CODE;
+            case 36:
+                return CHATTER_TEXT;
+            case 37:
+                return BOAT_LOCATION;
+            case 38:
+                return MARK_ROUNDING;
+            case 44:
+                return COURSE_WIND;
+            case 47:
+                return AVG_WIND;
+            case 100:
+                return BOAT_ACTION;
+            case 101:
+                return RACE_REGISTRATION_REQUEST;
+            case 102:
+                return RACE_REGISTRATION_RESPONSE;
+            case 103:
+                return RACE_CUSTOMIZATION_REQUEST;
+            case 104:
+                return RACE_CUSTOMIZATION_RESPONSE;
+            case 201:
+                return SERVER_REGISTRATION;
+            case 202:
+                return ROOM_CODE_REQUEST;
+            default:
+        }
+        return OTHER;
+    }
+}

src/main/java/seng302/model/stream/packets/StreamPacket.java

@@ -1,4 +1,4 @@
-package seng302.models.stream.packets;
+package seng302.model.stream.packets;
 
 /**
  * Created by kre39 on 23/04/17.
@@ -13,7 +13,7 @@ public class StreamPacket {
     private byte[] payload;
 
     public StreamPacket(int type, long messageLength, long timeStamp, byte[] payload) {
-        this.type = PacketType.assignPacketType(type);
+        this.type = PacketType.assignPacketType(type, payload);
         this.messageLength = messageLength;
         this.timeStamp = timeStamp;
         this.payload = payload;

src/main/java/seng302/model/stream/parser/MarkRoundingData.java

@@ -0,0 +1,36 @@
+package seng302.model.stream.parser;
+
+
+/**
+ * Simple data wrapper for mark rounding data packet.
+ */
+public class MarkRoundingData {
+
+    private int boatId;
+    private int markId;
+    private int roundingSide;
+    private long timeStamp;
+
+    public MarkRoundingData(int boatId, int markId, int roundingSide, long timeStamp) {
+        this.boatId = boatId;
+        this.markId = markId;
+        this.roundingSide = roundingSide;
+        this.timeStamp = timeStamp;
+    }
+
+    public int getBoatId() {
+        return boatId;
+    }
+
+    public int getMarkId() {
+        return markId;
+    }
+
+    public int getRoundingSide() {
+        return roundingSide;
+    }
+
+    public long getTimeStamp() {
+        return timeStamp;
+    }
+}

src/main/java/seng302/model/stream/parser/PositionUpdateData.java

@@ -0,0 +1,50 @@
+package seng302.model.stream.parser;
+
+public class PositionUpdateData {
+
+    public enum DeviceType {
+        YACHT_TYPE,
+        MARK_TYPE
+    }
+
+    private int deviceId;
+    private DeviceType type;
+    private double lat;
+    private double lon;
+    private double heading;
+    private double groundSpeed;
+
+    public PositionUpdateData(int deviceId, DeviceType type, double lat, double lon,
+        double heading, double groundSpeed) {
+        this.deviceId = deviceId;
+        this.type = type;
+        this.lat = lat;
+        this.lon = lon;
+        this.heading = heading;
+        this.groundSpeed = groundSpeed;
+    }
+
+    public int getDeviceId() {
+        return deviceId;
+    }
+
+    public DeviceType getType() {
+        return type;
+    }
+
+    public double getLat() {
+        return lat;
+    }
+
+    public double getLon() {
+        return lon;
+    }
+
+    public double getHeading() {
+        return heading;
+    }
+
+    public double getGroundSpeed() {
+        return groundSpeed;
+    }
+}

src/main/java/seng302/model/stream/parser/RaceStartData.java

@@ -0,0 +1,35 @@
+package seng302.model.stream.parser;
+
+/**
+ * Class for storing data parsed from race start status packet
+ */
+public class RaceStartData {
+
+    private long raceId;
+    private long raceStartTime;
+    private int notificationType;
+    private long timeStamp;
+
+    public RaceStartData (long raceId, long raceStartTime, int notificationType, long timeStamp) {
+        this.raceId = raceId;
+        this.raceStartTime = raceStartTime;
+        this.notificationType = notificationType;
+        this.timeStamp = timeStamp;
+    }
+
+    public long getRaceId() {
+        return raceId;
+    }
+
+    public long getRaceStartTime() {
+        return raceStartTime;
+    }
+
+    public int getNotificationType() {
+        return notificationType;
+    }
+
+    public long getTimeStamp() {
+        return timeStamp;
+    }
+}