Fixed StartController countdown

- Removed obsolete timer related code
- Consistently use RaceClock throughout StartController

#story[782]

visualiser/src/main/java/seng302/Controllers/StartController.java

@@ -20,9 +20,11 @@ import seng302.VisualiserInput;
 import java.io.IOException;
 import java.net.Socket;
 import java.net.URL;
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
+import java.time.Duration;
+import java.time.Period;
+import java.time.ZonedDateTime;
 import java.time.format.DateTimeFormatter;
+import java.time.temporal.ChronoUnit;
 import java.util.*;
 
 /**
@@ -40,14 +42,14 @@ public class StartController extends Controller implements Observer {
     @FXML private TableColumn<Boat, String> boatCodeColumn;
     @FXML private Label timeZoneTime;
     @FXML private Label timer;
-    @FXML private int PRERACE_TIME = 10;
+
+    private ZonedDateTime startingTime;
 
     //@FXML Button fifteenMinButton;
 
     private RaceClock raceClock;
 
     private StreamedCourse raceData;
-    private long timeLeft = 1;
 
     private VisualiserInput visualiserInput;
 
@@ -56,13 +58,7 @@ public class StartController extends Controller implements Observer {
      */
     public void startRaceNoScaling() {
         //startRace(1);
-        while(visualiserInput.getRaceStatus() == null);
-        countdownTimer(1);
-    }
-
-    private void startRace(int raceScale){
-        //fifteenMinButton.setDisable(true);
-        //countdownTimer(raceScale);
+        countdownTimer();
     }
 
     @Override
@@ -99,14 +95,11 @@ public class StartController extends Controller implements Observer {
     /**
      * Countdown timer until race starts. Use PRERACE_TIME to set countdown duration.
      */
-    protected void countdownTimer(int scaleFactor) {
+    protected void countdownTimer() {
         new AnimationTimer() {
-            long currentTime = System.currentTimeMillis();
-            long startTime = currentTime + (PRERACE_TIME/scaleFactor);
-            DateFormat timerFormat = new SimpleDateFormat("'Race Clock:' -HH:mm:ss");
             @Override
             public void handle(long arg0) {
-                timeLeft = startTime - currentTime;
+                ZonedDateTime currentTime = raceClock.getTime();
                 if (visualiserInput.getRaceStatus().getRaceStatus()==2) {
                     updateTime("Race is starting...");
                     stop();
@@ -115,10 +108,9 @@ public class StartController extends Controller implements Observer {
                     start.setVisible(false);
 
                 } else {
-                    updateTime(timerFormat.format(currentTime));
-
+                    long seconds = startingTime.toLocalDateTime().until(currentTime.toLocalDateTime(), ChronoUnit.SECONDS);
+                    updateTime(String.format("Race starts in: %d:%02d:%02d", seconds/3600, (seconds%3600)/60, (seconds%60)));
                 }
-                currentTime = System.currentTimeMillis();
             }
         }.start();
     }
@@ -130,11 +122,7 @@ public class StartController extends Controller implements Observer {
         new AnimationTimer() {
             @Override
             public void handle(long arg0) {
-                if (timeLeft > 0) {
-                    raceClock.updateTime();
-                } else {
-                    stop();
-                }
+                raceClock.updateTime();
             }
         }.start();
     }
@@ -143,7 +131,8 @@ public class StartController extends Controller implements Observer {
         String dateFormat = "'Starting time:' HH:mm dd/MM/YYYY";
         Platform.runLater(()-> {
             long utcTime = visualiserInput.getRaceStatus().getExpectedStartTime();
-            raceStartLabel.setText(DateTimeFormatter.ofPattern(dateFormat).format(raceClock.getLocalTime(utcTime)));
+            startingTime = raceClock.getLocalTime(utcTime);
+            raceStartLabel.setText(DateTimeFormatter.ofPattern(dateFormat).format(startingTime));
         });
     }
 
@@ -168,6 +157,7 @@ public class StartController extends Controller implements Observer {
                     while(visualiserInput.getRaceStatus() == null);
                     setStartingTime();
                     setCurrentTime();
+                    startRaceNoScaling();
                 });
             }
         }
@@ -182,7 +172,6 @@ public class StartController extends Controller implements Observer {
         try {
             visualiserInput = new VisualiserInput(socket, raceData);
             new Thread(visualiserInput).start();
-            startRaceNoScaling();
         } catch (IOException e) {
             e.printStackTrace();
         }