Merge branch 'develop' into story61_player_perspective

# Conflicts:
#	src/main/java/seng302/App.java
#	src/main/java/seng302/client/ClientPacketParser.java
#	src/main/java/seng302/client/ClientState.java
#	src/main/java/seng302/client/ClientStateQueryingRunnable.java
#	src/main/java/seng302/controllers/Controller.java
#	src/main/java/seng302/controllers/LobbyController.java
#	src/main/java/seng302/controllers/RaceViewController.java
#	src/main/java/seng302/controllers/StartScreenController.java
#	src/main/java/seng302/fxObjects/BoatAnnotations.java
#	src/main/java/seng302/gameServer/GameState.java
#	src/main/java/seng302/gameServer/MainServerThread.java
#	src/main/java/seng302/model/Yacht.java
#	src/main/java/seng302/model/stream/StreamReceiver.java
#	src/main/java/seng302/visualiser/ClientToServerThread.java
#	src/main/java/seng302/visualiser/GameView.java
#	src/main/java/seng302/visualiser/fxObjects/BoatObject.java
#	src/test/java/seng302/model/stream/StreamReceiverTest.java

src/main/java/seng302/model/PolarTable.java

@@ -4,8 +4,6 @@ import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
-import java.lang.reflect.Array;
-import java.util.ArrayList;
 import java.util.HashMap;
 
 /**
@@ -70,7 +68,7 @@ public final class PolarTable {
             }
 
         } catch (IOException e) {
-            e.printStackTrace();
+            System.out.println("[PolarTable] IO exception");
         }
 
 
@@ -182,4 +180,5 @@ public final class PolarTable {
         return closestAngle;
     }
 
+
 }

src/main/java/seng302/model/Yacht.java

@@ -12,6 +12,10 @@ import seng302.model.mark.Mark;
 import static seng302.utilities.GeoUtility.getGeoCoordinate;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
+import java.util.HashMap;
+import javafx.scene.paint.Color;
+import seng302.client.ClientPacketParser;
+import seng302.controllers.RaceViewController;
 import seng302.gameServer.GameState;
 import seng302.utilities.GeoPoint;
 
@@ -128,6 +132,33 @@ public class Yacht {
      * @param timeInterval since last update in milliseconds
      */
     public void update(Long timeInterval) {
+
+        Double secondsElapsed = timeInterval / 1000000.0;
+        Double windSpeedKnots = GameState.getWindSpeedKnots();
+        Double trueWindAngle = Math.abs(GameState.getWindDirection() - heading);
+        Double boatSpeedInKnots = PolarTable.getBoatSpeed(windSpeedKnots, trueWindAngle);
+        Double maxBoatSpeed = boatSpeedInKnots / ClientPacketParser.MS_TO_KNOTS * 1000;
+        if (sailIn && velocity <= maxBoatSpeed && maxBoatSpeed != 0d) {
+
+            if (velocity < maxBoatSpeed) {
+                velocity += maxBoatSpeed / 15;  // Acceleration
+            }
+            if (velocity > maxBoatSpeed) {
+                velocity = maxBoatSpeed;        // Prevent the boats from exceeding top speed
+            }
+
+        } else { // Deceleration
+
+            if (velocity > 0d) {
+                if (maxBoatSpeed != 0d) {
+                    velocity -= maxBoatSpeed / 600;
+                } else {
+                    velocity -= velocity / 100;
+                }
+                if (velocity < 0) {
+                    velocity = 0d;
+                }
+            }
         if (sailIn) {
             Double secondsElapsed = timeInterval / 1000000.0;
             Double windSpeedKnots = GameState.getWindSpeedKnots();
@@ -141,6 +172,17 @@ public class Yacht {
         }
     }
 
+        }
+
+        Double metersCovered = velocity * secondsElapsed;
+        location = getGeoCoordinate(location, heading, metersCovered);
+    }
+
+
+    public Double getHeading() {
+        return heading;
+    }
+
     public void adjustHeading(Double amount) {
         Double newVal = heading + amount;
         lastHeading = heading;
@@ -149,8 +191,7 @@ public class Yacht {
     }
 
     public void tackGybe(Double windDirection) {
-        Double normalizedHeading = heading - GameState.windDirection;
-        normalizedHeading = (double) Math.floorMod(normalizedHeading.longValue(), 360);
+        Double normalizedHeading = normalizeHeading();
         adjustHeading(-2 * normalizedHeading);
     }
 
@@ -159,8 +200,7 @@ public class Yacht {
     }
 
     public void turnUpwind() {
-        Double normalizedHeading = heading - GameState.windDirection;
-        normalizedHeading = (double) Math.floorMod(normalizedHeading.longValue(), 360);
+        Double normalizedHeading = normalizeHeading();
         if (normalizedHeading == 0) {
             if (lastHeading < 180) {
                 adjustHeading(-TURN_STEP);
@@ -181,8 +221,7 @@ public class Yacht {
     }
 
     public void turnDownwind() {
-        Double normalizedHeading = heading - GameState.windDirection;
-        normalizedHeading = (double) Math.floorMod(normalizedHeading.longValue(), 360);
+        Double normalizedHeading = normalizeHeading();
         if (normalizedHeading == 0) {
             if (lastHeading < 180) {
                 adjustHeading(TURN_STEP);
@@ -203,7 +242,42 @@ public class Yacht {
     }
 
     public void turnToVMG() {
-        // TODO: 25/07/17 wmu16 - Fix this so it grabs the optimal value from the optimal Polar
+        Double normalizedHeading = normalizeHeading();
+        Double optimalHeading;
+        HashMap<Double, Double> optimalPolarMap;
+
+        if (normalizedHeading >= 90 && normalizedHeading <= 270) { // Downwind
+            optimalPolarMap = PolarTable.getOptimalDownwindVMG(GameState.getWindSpeedKnots());
+            optimalHeading = optimalPolarMap.keySet().iterator().next();
+        } else {
+            optimalPolarMap = PolarTable.getOptimalUpwindVMG(GameState.getWindSpeedKnots());
+            optimalHeading = optimalPolarMap.keySet().iterator().next();
+        }
+        // Take optimal heading and turn into correct
+        optimalHeading =
+            optimalHeading + (double) Math.floorMod(GameState.getWindDirection().longValue(), 360L);
+
+        turnTowardsHeading(optimalHeading);
+
+    }
+
+    private void turnTowardsHeading(Double newHeading) {
+        System.out.println(newHeading);
+        if (heading < 90 && newHeading > 270) {
+            adjustHeading(-TURN_STEP);
+        } else {
+            if (heading < newHeading) {
+                adjustHeading(TURN_STEP);
+            } else {
+                adjustHeading(-TURN_STEP);
+            }
+        }
+    }
+
+    private Double normalizeHeading() {
+        Double normalizedHeading = heading - GameState.windDirection;
+        normalizedHeading = (double) Math.floorMod(normalizedHeading.longValue(), 360L);
+        return normalizedHeading;
     }
 
     public String getBoatType() {

src/main/java/seng302/model/map/CanvasMap.java

@@ -37,7 +37,7 @@ public class CanvasMap {
 
 			return new Image(connection.getInputStream());
 		} catch (Exception e) {
-			e.printStackTrace();
+			System.out.println("[CanvasMap] Exception");
 			return null;
 		}
 	}