Game state now updates based on boat position. Arrows drawn as boat travels course. Currently do not point in correct direction, also the sparkline does not work.

#bug #refactor #implement #story[1118]

src/main/java/seng302/model/RaceState.java

@@ -2,7 +2,11 @@ package seng302.model;
 
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.TimeZone;
+import javafx.beans.property.ReadOnlyDoubleProperty;
+import javafx.beans.property.ReadOnlyDoubleWrapper;
 import seng302.model.stream.parser.RaceStartData;
 import seng302.model.stream.parser.RaceStatusData;
 
@@ -12,22 +16,27 @@ import seng302.model.stream.parser.RaceStatusData;
  */
 public class RaceState {
 
+    @FunctionalInterface
+    public interface CollisionListener {
+        void notifyCollision(GeoPoint location);
+    }
+
 //    private final DateFormat DATE_TIME_FORMAT = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss");
     private final DateFormat DATE_TIME_FORMAT = new SimpleDateFormat("HH:mm:ss");
-
     private double windSpeed;
-    private double windDirection;
+    private ReadOnlyDoubleWrapper windDirection = new ReadOnlyDoubleWrapper();
     private long raceTime;
     private long expectedStartTime;
     private boolean isRaceStarted = false;
-//    long timeTillStart;
+    private List<ClientYacht> collisions = new ArrayList<>();
+    private List<CollisionListener> collisionListeners = new ArrayList<>();
 
     public RaceState() {
     }
 
     public void updateState (RaceStatusData data) {
         this.windSpeed = data.getWindSpeed();
-        this.windDirection = data.getWindDirection();
+        this.windDirection.set(data.getWindDirection());
         this.raceTime = data.getCurrentTime();
         this.expectedStartTime = data.getExpectedStartTime();
         this.isRaceStarted = data.isRaceStarted();
@@ -54,8 +63,8 @@ public class RaceState {
         return windSpeed;
     }
 
-    public double getWindDirection() {
-        return windDirection;
+    public ReadOnlyDoubleProperty windDirectionProperty() {
+        return windDirection.getReadOnlyProperty();
     }
 
     public long getRaceTime() {
@@ -69,4 +78,19 @@ public class RaceState {
     public boolean isRaceStarted () {
         return isRaceStarted;
     }
+
+    public void storeCollision(ClientYacht yacht) {
+        collisions.add(yacht);
+        for (CollisionListener collisionListener : collisionListeners) {
+            collisionListener.notifyCollision(yacht.getLocation());
+        }
+    }
+
+    public void addCollisionListener(CollisionListener collisionListener) {
+        collisionListeners.add(collisionListener);
+    }
+
+    public void removeCollisionListener(CollisionListener collisionListener) {
+        collisionListeners.remove(collisionListener);
+    }
 }