Merge branch 'develop' into 1124_switching_to_finish_screen

# Conflicts:
#	src/main/java/seng302/gameServer/GameState.java
#	src/main/java/seng302/gameServer/MainServerThread.java
#	src/main/java/seng302/gameServer/ServerToClientThread.java
#	src/main/java/seng302/model/Yacht.java
#	src/main/java/seng302/visualiser/GameClient.java
#	src/main/java/seng302/visualiser/GameView.java
#	src/main/java/seng302/visualiser/controllers/RaceViewController.java
#	src/test/java/seng302/visualiser/ClientToServerTests/RegularPacketsTest.java

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

@@ -1,21 +1,29 @@
 package seng302.gameServer;
 
+import com.sun.corba.se.spi.activation.Server;
 import java.io.IOException;
 import java.net.ServerSocket;
 import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.Observable;
+import java.util.Observer;
 import java.util.Timer;
 import java.util.TimerTask;
 import seng302.gameServer.server.messages.Message;
+import seng302.model.GeoPoint;
 import seng302.model.Player;
+import seng302.model.Yacht;
+import seng302.model.mark.CompoundMark;
+import seng302.utilities.GeoUtility;
+import seng302.visualiser.GameClient;
 import seng302.model.PolarTable;
 
 /**
  * A class describing the overall server, which creates and collects server threads for each client
  * Created by wmu16 on 13/07/17.
  */
-public class MainServerThread extends Observable implements Runnable, ClientConnectionDelegate{
+public class MainServerThread extends Observable implements Runnable, ClientConnectionDelegate,
+    Observer {
 
     private static final int PORT = 4942;
     private static final Integer CLIENT_UPDATES_PER_SECOND = 10;
@@ -27,7 +35,10 @@ public class MainServerThread extends Observable implements Runnable, ClientConn
     private ServerSocket serverSocket = null;
     private ArrayList<ServerToClientThread> serverToClientThreads = new ArrayList<>();
 
+    private GameClient gameClient;
+
     public MainServerThread() {
+        new GameState("localhost");
         try {
             serverSocket = new ServerSocket(PORT);
         } catch (IOException e) {
@@ -46,7 +57,6 @@ public class MainServerThread extends Observable implements Runnable, ClientConn
         HeartbeatThread heartbeatThread;
 
         serverListenThread = new ServerListenThread(serverSocket, this);
-
         heartbeatThread = new HeartbeatThread(this);
 
         heartbeatThread.start();
@@ -97,14 +107,16 @@ public class MainServerThread extends Observable implements Runnable, ClientConn
     }
 
 
-    static void serverLog(String message, int logLevel){
-        if(logLevel <= LOG_LEVEL){
-            System.out.println("[SERVER " + LocalDateTime.now().toLocalTime().toString() + "] " + message);
+    static void serverLog(String message, int logLevel) {
+        if (logLevel <= LOG_LEVEL) {
+            System.out.println(
+                "[SERVER " + LocalDateTime.now().toLocalTime().toString() + "] " + message);
         }
     }
 
     /**
      * A client has tried to connect to the server
+     *
      * @param serverToClientThread The player that connected
      */
     @Override
@@ -120,6 +132,7 @@ public class MainServerThread extends Observable implements Runnable, ClientConn
 
     /**
      * A player has left the game, remove the player from the GameState
+     *
      * @param player The player that left
      */
     @Override
@@ -141,11 +154,12 @@ public class MainServerThread extends Observable implements Runnable, ClientConn
             }
         }
         serverToClientThreads.remove(closedConnection);
-        setChanged();
-        notifyObservers();
     }
 
     public void startGame() {
+        initialiseBoatPositions();
+        setupYachtObserver();
+
         Timer t = new Timer();
 
         t.schedule(new TimerTask() {
@@ -162,4 +176,69 @@ public class MainServerThread extends Observable implements Runnable, ClientConn
     public void terminate() {
         terminated = true;
     }
+
+    /**
+     * Pass GameClient to main server thread so it can access the properties inside.
+     *
+     * @param gameClient gameClient
+     */
+    public void setGameClient(GameClient gameClient) {
+        this.gameClient = gameClient;
+    }
+
+    /**
+     * Initialise boats to specific spaced out geopoints behind starting line.
+     */
+    private void initialiseBoatPositions() {
+        // Getting the start line compound marks
+        CompoundMark cm = gameClient.getCourseData().getCompoundMarks().get(1);
+        GeoPoint startMark1 = new GeoPoint(cm.getMarks().get(0).getLat(),
+            cm.getMarks().get(0).getLng());
+        GeoPoint startMark2 = new GeoPoint(cm.getMarks().get(1).getLat(),
+            cm.getMarks().get(1).getLng());
+
+        // 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 DISTANCEFACTOR = 50.0;  // distance apart in meters
+        int boatIndex = 0;
+        for (Yacht yacht : GameState.getYachts().values()) {
+            int distanceApart = boatIndex / 2;
+
+            if (boatIndex % 2 == 1 && boatIndex != 0) {
+                distanceApart++;
+                distanceApart *= -1;
+            }
+
+            GeoPoint spawnMark = GeoUtility
+                .getGeoCoordinate(midpoint, perpendicularAngle, distanceApart * DISTANCEFACTOR);
+
+            if (yacht.getHeading() < perpendicularAngle) {
+                spawnMark = GeoUtility
+                    .getGeoCoordinate(spawnMark, perpendicularAngle + 90, DISTANCEFACTOR);
+            } else {
+                spawnMark = GeoUtility
+                    .getGeoCoordinate(spawnMark, perpendicularAngle + 270, DISTANCEFACTOR);
+            }
+
+            yacht.setLocation(spawnMark);
+            boatIndex++;
+        }
+    }
+
+    @Override
+    public void update(Observable o, Object arg) {
+        for (ServerToClientThread serverToClientThread : serverToClientThreads) {
+            serverToClientThread.sendCollisionMessage((Integer) arg);
+        }
+    }
+
+    private void setupYachtObserver() {
+        for (ServerToClientThread serverToClientThread : serverToClientThreads) {
+            serverToClientThread.getYacht().addObserver(this);
+        }
+    }
 }