Created race timer

- Race starts when timer reaches 1 second
- Race waits 10 seconds before it starts

Tags: #implement #story[16]

src/main/java/seng302/controllers/CanvasController.java

@@ -1,9 +1,6 @@
 package seng302.controllers;
 
-import javafx.animation.AnimationTimer;
-import javafx.animation.KeyFrame;
-import javafx.animation.KeyValue;
-import javafx.animation.Timeline;
+import javafx.animation.*;
 import javafx.beans.property.DoubleProperty;
 import javafx.beans.property.SimpleDoubleProperty;
 import javafx.fxml.FXML;
@@ -24,7 +21,6 @@ import seng302.models.mark.Mark;
 import seng302.models.mark.MarkType;
 import seng302.models.mark.SingleMark;
 import seng302.models.parsers.ConfigParser;
-import seng302.models.parsers.CourseParser;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -53,6 +49,13 @@ public class CanvasController {
     @FXML
     private Text windArrowText, windDirectionText;
 
+    @FXML Pane raceTimer;
+
+    private Animation.Status raceStatus = Animation.Status.PAUSED;
+
+    /**
+     * Display the list of boats in the order they finished the race
+     */
     private void loadRaceResultView() {
         FXMLLoader loader = new FXMLLoader(getClass().getResource("/FinishView.fxml"));
         loader.setController(new RaceResultController(race));
@@ -69,6 +72,57 @@ public class CanvasController {
         }
     }
 
+    /**
+     * Load the race timer
+     */
+    private void loadTimerView(){
+        FXMLLoader loader = new FXMLLoader(getClass().getResource("/raceTimer.fxml"));
+        loader.setController(new RaceTimerController(race));
+
+        try{
+            raceTimer.getChildren().clear();
+            raceTimer.getChildren().removeAll();
+            raceTimer.getChildren().addAll((Pane) loader.load());
+        }
+        catch(javafx.fxml.LoadException e){
+            System.out.println(e);
+        }
+        catch(IOException e){
+            System.out.println(e);
+        }
+    }
+
+    /**
+     * Play each boats timeline
+     */
+    private void playTimelines(){
+        for (TimelineInfo timelineInfo : timelineInfos.values()){
+            Timeline timeline = timelineInfo.getTimeline();
+
+            if (timeline.getStatus() == Animation.Status.PAUSED){
+                timeline.play();
+            }
+        }
+        raceStatus = Animation.Status.RUNNING;
+    }
+
+    /**
+     * Pause each boats timeline
+     */
+    private void pauseTimelines(){
+        for (TimelineInfo timelineInfo : timelineInfos.values()){
+            Timeline timeline = timelineInfo.getTimeline();
+
+            if (timeline.getStatus() == Animation.Status.RUNNING){
+                timeline.pause();
+            }
+        }
+        raceStatus = Animation.Status.PAUSED;
+    }
+
+    /**
+     * Initialize the controller
+     */
     public void initialize() {
         gc = canvas.getGraphicsContext2D();
         gc.scale(15, 15);
@@ -84,14 +138,26 @@ public class CanvasController {
                 gc.clearRect(0, 0, 760, 360);
                 drawCourse();
                 drawBoats();
+
+                // If race has started, draw the boats and play the timeline
+                if (race.getRaceTime() > 1){
+                    playTimelines();
+
+                }
+                // Race has not started, pause the timelines
+                else if (race.getRaceTime() < 1 || raceStatus == Animation.Status.RUNNING){
+                    pauseTimelines();
+                }
+
             }
         };
 
         generateTimeline();
 
-        // starts the timer and reads events from each boat's time line
         timer.start();
 
+        loadTimerView();
+
         Double maxDuration = 0.0;
         Timeline maxTimeline = null;
 
@@ -105,10 +171,16 @@ public class CanvasController {
                 maxTimeline = timeline;
             }
 
+            // Timelines are paused by default
             timeline.play();
+            timeline.pause();
+            raceStatus = Animation.Status.RUNNING;
         }
 
-        maxTimeline.setOnFinished(event -> loadRaceResultView());
+        maxTimeline.setOnFinished(event -> {
+            race.setRaceFinished();
+            loadRaceResultView();
+        });
 
         //set wind direction!!!!!!! can't find another place to put my code --haoming
         double windDirection = new ConfigParser("doc/examples/config.xml").getWindDirection();

src/main/java/seng302/controllers/RaceTimerController.java

@@ -0,0 +1,78 @@
+package seng302.controllers;
+
+import javafx.animation.KeyFrame;
+import javafx.animation.Timeline;
+import javafx.fxml.FXML;
+import javafx.fxml.Initializable;
+import javafx.scene.text.Text;
+import javafx.util.Duration;
+import seng302.models.Race;
+
+import java.net.URL;
+import java.util.ResourceBundle;
+
+public class RaceTimerController implements Initializable{
+    private Timeline timeline;
+    private Race race;
+
+    @FXML
+    private Text timerLabel;
+
+    /**
+     * Convert seconds to a string of the format mm:ss
+     * @param time the time in seconds
+     * @return a formatted string
+     */
+    private String convertTimeToMinutesSeconds(int time){
+        if (time < 0){
+            return String.format("-%02d:%02d", (time * -1) / 60, (time * -1)% 60);
+        }
+        return String.format("%02d:%02d", time / 60, time % 60);
+    }
+
+    /**
+     * Controller to control the race timer
+     * @param race the race the timer is timing
+     */
+    RaceTimerController(Race race){
+        this.race = race;
+    }
+
+    @Override
+    public void initialize(URL location, ResourceBundle resources) {
+        timeline = new Timeline();
+        timeline.setCycleCount(Timeline.INDEFINITE);
+
+        // Run timer update every second
+        timeline.getKeyFrames().add(
+                new KeyFrame(Duration.seconds(1),
+                        event -> {
+                            // Stop timer if race is finished
+                            if (this.race.isRaceFinished()){
+                                this.timeline.stop();
+                            }
+                            else{
+                                timerLabel.setText(convertTimeToMinutesSeconds(race.getRaceTime()));
+                                this.race.incrementRaceTime();
+                            }
+                        })
+        );
+
+        // Start the timer
+        timeline.playFromStart();
+    }
+
+    /**
+     * Stop the race timer
+     */
+    public void stop(){
+        timeline.stop();
+    }
+
+    /**
+     * Start the race timer
+     */
+    public void start(){
+        timeline.play();
+    }
+}