Added helper functions to BoatLocationMessage which convert between the datatypes used by the message and datatypes used by our model. (Converts boat heading, wind angle, gps coordinate).

#story[778]

mock/src/main/java/seng302/RaceEventMessages/BoatLocationMessage.java

@@ -357,4 +357,89 @@ public class BoatLocationMessage
     {
         this.rudderAngle = rudderAngle;
     }
+
+    /**
+     * Converts a double representing a latitude or longitude coordinate to an int, as required by the streaming spec format.
+     * @param coordinate Latitude or longitude to convert. Double.
+     * @return int representation of coordinate.
+     */
+    public static int convertCoordinateDoubleToInt(double coordinate)
+    {
+        int coordinateInt = (int) ((coordinate / 180.0) * 2147483648.0);
+
+        return coordinateInt;
+
+
+    }
+
+
+    /**
+     * Converts an int representing a latitude or longitude coordinate to a double, as required by the streaming spec format.
+     * @param coordinate Latitude or longitude to convert. int.
+     * @return double representation of coordinate.
+     */
+    public static double convertCoordinateIntToDouble(int coordinate)
+    {
+        double coordinateDouble = (double) ((coordinate * 180.0) / 2147483648.0);
+
+        return coordinateDouble;
+    }
+
+
+    /**
+     * Converts an int representing a heading to a double, as required by the streaming spec format.
+     * @param heading Heading to convert. int.
+     * @return double representation of heading.
+     */
+    public static double convertHeadingIntToDouble(int heading)
+    {
+
+        double headingDouble = (double) ((heading * 360.0) / 65536.0);
+
+        return headingDouble;
+    }
+
+
+    /**
+     * Converts a double representing a heading to an int, as required by the streaming spec format.
+     * @param heading Heading to convert. double.
+     * @return int representation of heading.
+     */
+    public static int convertHeadingDoubleToInt(double heading)
+    {
+
+        int headingInt = (int) ((heading / 360.0) * 65536.0);
+
+        return headingInt;
+    }
+
+
+
+    /**
+     * Converts a short representing the wind's true angle to a double, as required by the streaming spec format.
+     * @param angle Angle to convert. short.
+     * @return double representation of heading.
+     */
+    public static double convertTrueWindAngleShortToDouble(short angle)
+    {
+
+        double angleDouble = (double) ((angle * 180.0) / 32768.0);
+
+        return angleDouble;
+    }
+
+
+    /**
+     * Converts a double representing the wind's true angle to a short, as required by the streaming spec format.
+     * @param angle Angle to convert. double.
+     * @return short representation of heading.
+     */
+    public static short convertTrueWindAngleShortToDouble(double angle)
+    {
+
+        short angleShort = (short) ((angle / 180.0) * 32768.0);
+
+        return angleShort;
+    }
+
 }