Added functions to the RaceVisionByteEncoder

- Encodes Race Status
- Encodes displayTextMessage
- Encodes raceStartStatus
- Encodes yachtEventCode
#story[778]

src/main/java/seng302/Networking/RaceVisionByteEncoder.java

@@ -1,7 +1,10 @@
 package seng302.Model;
 
+import java.io.UnsupportedEncodingException;
 import java.nio.ByteBuffer;
+import java.nio.charset.Charset;
 import java.util.ArrayList;
+import java.util.Arrays;
 
 /**
  * Created by fwy13 on 19/04/17.
@@ -117,6 +120,46 @@ public class RaceVisionByteEncoder {
         return result.array();
     }
 
+    public byte[] yachtEventCode(long time, short acknowledgeNumber, int raceID, int destSourceID, int incidentID,
+                                 int eventID){
+        int messageVersion = 0b10;
+        byte[] encodeTime = convert(time, 6);
+        short ackNum = acknowledgeNumber;
+        int raceUID = raceID;//TODO chekc if this is an into for a 4 char string.
+        int destSource = destSourceID;
+        int incident = incidentID;
+        byte[] event = convert(eventID, 1);
+
+        ByteBuffer result = ByteBuffer.allocate(22);
+        result.put(convert(messageVersion, 1));
+        result.put(encodeTime);
+        result.putShort(ackNum);
+        result.putInt(raceUID);
+        result.putInt(destSource);
+        result.putInt(incident);
+        result.put(event);
+        return result.array();
+    }
+/*
+    public byte[] chatterText(int messageType, String message){
+        int messageVersion = 0b1;
+        byte[] type = convert(messageType, 1);
+        byte[] length = convert(message.length(), 1);
+        byte[] messageBytes = message.getBytes(Charset.forName("UTF-8"));
+
+        //byte[] text =
+        return;
+    }*/
+/*
+    public byte[] convert(String s, int size){
+        byte[] m = s.getBytes(Charset.forName("UTF-8"));
+        int length = m.length;
+        if (length > 255){
+            length = 255;
+        }
+        byte[] result = Arrays.copyOfRange(m, 0, length + 1);
+    }
+*/
     public byte[] convert(int n, int size){
         byte[] result;
         if (size > 4){