Added WindCommand and multiple command execution to RaceLogic

- Dispatch commands with CompositeCommand
- Single WindCommand handles upwind and downwind logic
- Changed key bindings as Mac lacks PgUp PgDn
- ControllerServer is observable, RaceLogic updates CompositeCommand as observer

racevisionGame/src/main/java/visualiser/gameController/ControllerServer.java

@@ -1,5 +1,7 @@
 package visualiser.gameController;
 
+import mock.model.commandFactory.Command;
+import mock.model.commandFactory.CommandFactory;
 import network.BinaryMessageDecoder;
 import network.MessageDecoders.BoatActionDecoder;
 import network.Messages.Enums.BoatActionEnum;
@@ -9,11 +11,12 @@ import visualiser.gameController.Keys.KeyFactory;
 import java.io.DataInputStream;
 import java.io.IOException;
 import java.net.Socket;
+import java.util.Observable;
 
 /**
  * Service for dispatching key press data to race from client
  */
-public class ControllerServer implements Runnable {
+public class ControllerServer extends Observable implements Runnable {
     /**
      * Socket to client
      */
@@ -22,6 +25,10 @@ public class ControllerServer implements Runnable {
      * Wrapper for input from client
      */
     private DataInputStream inputStream;
+    /**
+     * Last received boat action
+     */
+    private BoatActionEnum action;
 
     /**
      * Initialise server-side controller with live client socket
@@ -36,6 +43,10 @@ public class ControllerServer implements Runnable {
         }
     }
 
+    public BoatActionEnum getAction() {
+        return action;
+    }
+
     /**
      * Wait for controller key input from client and loop.
      */
@@ -48,8 +59,10 @@ public class ControllerServer implements Runnable {
                     inputStream.read(message);
                     BinaryMessageDecoder encodedMessage = new BinaryMessageDecoder(message);
                     BoatActionDecoder boatActionDecoder = new BoatActionDecoder(encodedMessage.getMessageBody());
-                    BoatActionEnum decodedMessage = boatActionDecoder.getBoatAction();
-                    System.out.println("Received key: " + decodedMessage);
+                    action = boatActionDecoder.getBoatAction();
+
+                    this.notifyObservers();
+                    this.setChanged();
                 }
             } catch (IOException e) {
                 e.printStackTrace();

racevisionGame/src/main/java/visualiser/gameController/Keys/KeyFactory.java

@@ -27,8 +27,8 @@ public class KeyFactory {
         keyState.put("SPACE", new VMGKey("VMG"));
         keyState.put("SHIFT", new SailsToggleKey("Toggle Sails"));
         keyState.put("ENTER", new TackGybeKey("Tack/Gybe"));
-        keyState.put("PAGE_UP", new UpWindKey("Upwind"));
-        keyState.put("PAGE_DOWN", new DownWindKey("Downwind"));
+        keyState.put("UP", new UpWindKey("Upwind"));
+        keyState.put("DOWN", new DownWindKey("Downwind"));
     }
 
     /**