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760 lines
23 KiB
760 lines
23 KiB
package visualiser.model;
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import javafx.scene.paint.Color;
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import javafx.scene.paint.LinearGradient;
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import javafx.scene.paint.Paint;
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import javafx.scene.text.Font;
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import javafx.scene.transform.Rotate;
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import network.Messages.Enums.BoatStatusEnum;
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import shared.dataInput.RaceDataSource;
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import shared.enums.RoundingType;
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import shared.model.*;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Comparator;
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import java.util.List;
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/**
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* This JavaFX Canvas is used to update and display details for a
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* {@link RaceMap} via the
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* {@link visualiser.Controllers.RaceController}.<br>
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* It fills it's parent and cannot be downsized. <br>
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* Details displayed include:
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* {@link VisualiserBoat}s (and their
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* {@link TrackPoint}s),
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* {@link shared.model.Mark}s, a
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* {@link RaceClock}, a wind direction arrow and
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* various user selected {@link Annotations}.
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*/
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public class ResizableRaceCanvas extends ResizableCanvas {
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/**
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* The RaceMap used for converting GPSCoordinates to GraphCoordinates.
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*/
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private RaceMap map;
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/**
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* The race we read data from and draw.
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*/
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private VisualiserRaceEvent visualiserRace;
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private boolean annoName = true;
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private boolean annoAbbrev = true;
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private boolean annoSpeed = true;
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private boolean annoPath = true;
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private boolean annoEstTime = true;
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private boolean annoTimeSinceLastMark = true;
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private boolean annoGuideLine = false;
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/**
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* Constructs a {@link ResizableRaceCanvas} using a given {@link VisualiserRaceEvent}.
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* @param visualiserRace The race that data is read from in order to be drawn.
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*/
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public ResizableRaceCanvas(VisualiserRaceEvent visualiserRace) {
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super();
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this.visualiserRace = visualiserRace;
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RaceDataSource raceData = visualiserRace.getVisualiserRaceState().getRaceDataSource();
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double lat1 = raceData.getMapTopLeft().getLatitude();
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double long1 = raceData.getMapTopLeft().getLongitude();
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double lat2 = raceData.getMapBottomRight().getLatitude();
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double long2 = raceData.getMapBottomRight().getLongitude();
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this.map = new RaceMap(
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lat1, long1, lat2, long2,
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(int) getWidth(), (int) getHeight() );
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}
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/**
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* Toggle name display in annotation
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*/
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public void toggleAnnoName() {
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annoName = !annoName;
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}
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/**
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* Toggle boat path display in annotation
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*/
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public void toggleBoatPath() {
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annoPath = !annoPath;
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}
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public void toggleAnnoEstTime() {
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annoEstTime = !annoEstTime;
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}
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/**
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* Toggle boat time display in annotation
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*/
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public void toggleAnnoTime() {
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annoTimeSinceLastMark = !annoTimeSinceLastMark;
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}
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/**
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* Toggle abbreviation display in annotation
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*/
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public void toggleAnnoAbbrev() {
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annoAbbrev = !annoAbbrev;
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}
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/**
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* Toggle speed display in annotation
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*/
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public void toggleAnnoSpeed() {
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annoSpeed = !annoSpeed;
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}
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/**
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* Toggle the guideline annotation
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*/
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public void toggleGuideLine() {
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annoGuideLine = !annoGuideLine;
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}
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/**
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* Rotates things on the canvas Note: this must be called in between gc.save() and gc.restore() else they will rotate everything
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*
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* @param degrees Bearing degrees to rotate.
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* @param px Pivot point x of rotation.
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* @param py Pivot point y of rotation.
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*/
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private void rotate(double degrees, double px, double py) {
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Rotate r = new Rotate(degrees, px, py);
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gc.setTransform(r.getMxx(), r.getMyx(), r.getMxy(), r.getMyy(), r.getTx(), r.getTy());
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}
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/**
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* Draws a circle with a given diameter, centred on a given graph coordinate.
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* @param center The center coordinate of the circle.
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* @param diameter The diameter of the circle.
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* @param paint The paint to use for the circle.
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*/
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private void drawCircle(GraphCoordinate center, double diameter, Paint paint) {
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gc.save();
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gc.setFill(paint);
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gc.setStroke(paint);
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//The graphCoordinates are for the center of the point, so we offset them to get the corner coordinate.
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gc.fillOval(
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center.getX() - (diameter / 2),
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center.getY() - (diameter / 2),
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diameter, diameter );
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gc.restore();
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}
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/**
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* Displays a line on the map with rectangles on the starting and ending point of the line.
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*
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* @param graphCoordinateA Starting Point of the line in GraphCoordinate.
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* @param graphCoordinateB End Point of the line in GraphCoordinate.
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* @param paint Colour the line is to coloured.
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* @param lineWidth The width of the line.
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*/
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private void drawLine(GraphCoordinate graphCoordinateA, GraphCoordinate graphCoordinateB, Paint paint, double lineWidth) {
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gc.save();
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gc.setStroke(paint);
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gc.setFill(paint);
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gc.setLineWidth(lineWidth);
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//Draw line between them.
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gc.strokeLine(
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graphCoordinateA.getX(),
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graphCoordinateA.getY(),
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graphCoordinateB.getX(),
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graphCoordinateB.getY() );
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gc.restore();
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}
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/**
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* Display given name and speed of boat at a graph coordinate
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*
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* @param name name of the boat
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* @param abbrev abbreviation of the boat name
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* @param speed speed of the boat
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* @param coordinate coordinate the text appears
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* @param timeToNextMark The time until the boat reaches the next mark.
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* @param timeSinceLastMark The time since the boat passed the last mark.
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* @param textPaint The color of the text.
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* @param fontSize The size of the font.
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*/
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private void drawText(String name, String abbrev, double speed, GraphCoordinate coordinate, String timeToNextMark, String timeSinceLastMark, Paint textPaint, double fontSize) {
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//The text to draw. Built during the function.
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String text = "";
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//Draw name if annotation is enabled.
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if (annoName) {
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text += String.format("%s ", name);
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}
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//Draw abbreviation/country if annotation is enabled.
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if (annoAbbrev) {
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text += String.format("%s ", abbrev);
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}
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//Draw speed if annotation is enabled.
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if (annoSpeed){
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text += String.format("%.2fkn ", speed);
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}
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//Draw time to reach next mark if annotation is enabled.
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if (annoEstTime) {
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text += timeToNextMark;
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}
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//Draw time since last mark if annotation is enabled.
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if(annoTimeSinceLastMark) {
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text += timeSinceLastMark;
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}
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//Offset by 20 pixels horizontally.
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long xCoord = coordinate.getX() + 20;
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long yCoord = coordinate.getY();
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//If the text would extend out of the canvas (to the right), move it left.
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if (xCoord + (text.length() * 7) >= getWidth()) {
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xCoord -= text.length() * 7;
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}
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if (yCoord - (text.length() * 2) <= 0) {
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yCoord += 30;
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}
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gc.save();
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gc.setStroke(textPaint);
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gc.setFill(textPaint);
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gc.setFont(new Font(gc.getFont().getName(), fontSize));
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//Draw text.
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gc.fillText(text, xCoord, yCoord);
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gc.restore();
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}
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/**
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* Draws the label for a given boat. Includes name, abbreviation, speed, time since mark, and time to next mark.
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* @param boat The boat to draw text for.
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*/
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private void drawBoatText(VisualiserBoat boat) {
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drawText(
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boat.getName(),
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boat.getCountry(),
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boat.getCurrentSpeed(),
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this.map.convertGPS(boat.getPosition()),
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boat.getTimeToNextMarkFormatted(this.visualiserRace.getVisualiserRaceState().getRaceClock().getCurrentTime()),
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boat.getTimeSinceLastMarkFormatted(this.visualiserRace.getVisualiserRaceState().getRaceClock().getCurrentTime()),
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Color.BLACK,
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20 );
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}
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/**
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* Draws all of the boats on the canvas.
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*/
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private void drawBoats() {
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List<VisualiserBoat> boats = new ArrayList<>(visualiserRace.getVisualiserRaceState().getBoats());
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//Sort to ensure we draw boats in consistent order.
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boats.sort(Comparator.comparingInt(Boat::getSourceID));
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//Current draw order:
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// track points
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// wake
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// boat
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// text
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//Track points.
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for (VisualiserBoat boat : boats) {
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drawTrack(boat);
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}
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//Wake.
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for (VisualiserBoat boat : boats) {
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//Only draw wake if they are currently racing.
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if (boat.getStatus() == BoatStatusEnum.RACING) {
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drawWake(boat);
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}
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}
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//Boat.
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for (VisualiserBoat boat : boats) {
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drawBoat(boat);
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}
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//Text.
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for (VisualiserBoat boat : boats) {
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drawBoatText(boat);
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}
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/*
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//If the race hasn't started, we set the time since last mark to the current time, to ensure we don't start counting until the race actually starts.
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if ((boat.getStatus() != BoatStatusEnum.RACING) && (boat.getStatus() == BoatStatusEnum.FINISHED)) {
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boat.setTimeAtLastMark(visualiserRace.getVisualiserRaceState().getRaceClock().getCurrentTime());
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}
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*/
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}
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/**
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* Draws a given boat on the canvas.
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* @param boat The boat to draw.
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*/
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private void drawBoat(VisualiserBoat boat) {
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if (boat.isClientBoat()) {
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drawClientBoat(boat);
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}
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//Convert position to graph coordinate.
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GraphCoordinate pos = this.map.convertGPS(boat.getPosition());
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//The x coordinates of each vertex of the boat.
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double[] x = {
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pos.getX() - 6,
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pos.getX(),
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pos.getX() + 6 };
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//The y coordinates of each vertex of the boat.
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double[] y = {
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pos.getY() + 12,
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pos.getY() - 12,
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pos.getY() + 12 };
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//The above shape is essentially a triangle 12px wide, and 24px long.
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gc.save();
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//Draw the boat.
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gc.setFill(boat.getColor());
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rotate(boat.getBearing().degrees(), pos.getX(), pos.getY());
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gc.fillPolygon(x, y, x.length);
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gc.restore();
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}
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/**
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* Draws extra decorations to show which boat has been assigned to the client.
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* @param boat The client's boat.
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*/
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private void drawClientBoat(VisualiserBoat boat) {
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//Convert position to graph coordinate.
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GraphCoordinate pos = this.map.convertGPS(boat.getPosition());
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//The x coordinates of each vertex of the boat.
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double[] x = {
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pos.getX() - 9,
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pos.getX(),
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pos.getX() + 9 };
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//The y coordinates of each vertex of the boat.
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double[] y = {
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pos.getY() + 15,
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pos.getY() - 15,
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pos.getY() + 15 };
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//The above shape is essentially a triangle 24px wide, and 48 long.
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gc.save();
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//Draw the boat.
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gc.setFill(Color.BLACK);
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rotate(boat.getBearing().degrees(), pos.getX(), pos.getY());
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gc.fillPolygon(x, y, x.length);
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gc.restore();
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}
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/**
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* Draws the wake for a given boat.
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* @param boat Boat to draw wake for.
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*/
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private void drawWake(VisualiserBoat boat) {
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//Calculate either end of wake line.
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GraphCoordinate wakeFrom = this.map.convertGPS(boat.getPosition());
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GraphCoordinate wakeTo = this.map.convertGPS(boat.getWake());
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double lineWidth = 4;
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double endPointDiameter = 12;
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//Line.
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drawLine(wakeFrom, wakeTo, Color.DARKBLUE, lineWidth);
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//Draw end-point.
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//drawCircle(wakeTo, endPointDiameter, Color.BLACK);
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}
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/**
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* Draws all of the {@link Mark}s on the canvas.
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*/
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private void drawMarks() {
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for (Mark mark : new ArrayList<>(visualiserRace.getVisualiserRaceState().getMarks())) {
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drawMark(mark);
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}
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}
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/**
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* Draws a given mark on the canvas.
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* @param mark The mark to draw.
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*/
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private void drawMark(Mark mark) {
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//Calculate screen position.
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GraphCoordinate mark1 = this.map.convertGPS(mark.getPosition());
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double diameter = 10;
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//Draw.
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drawCircle(mark1, diameter, Color.DARKGREEN);
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}
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/**
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* Draws the Race Map.
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* Called when the canvas is resized.
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*/
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public void draw() {
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//Clear canvas.
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clear();
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//Update our RaceMap using new canvas size.
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this.map.setWidth((int) getWidth());
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this.map.setHeight((int) getHeight());
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//Draw the race.
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drawRace();
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}
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/**
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* Clears the canvas.
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*/
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private void clear() {
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gc.clearRect(0, 0, getWidth(), getHeight());
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}
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/**
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* Draws the race boundary.
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*/
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private void drawBoundary() {
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gc.save();
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//Prepare to draw.
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gc.setLineWidth(1);
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gc.setFill(Color.AQUA);
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//Calculate the screen coordinates of the boundary.
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List<GPSCoordinate> boundary = new ArrayList<>(visualiserRace.getVisualiserRaceState().getBoundary());
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double[] xpoints = new double[boundary.size()];
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double[] ypoints = new double[boundary.size()];
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//For each boundary coordinate.
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for (int i = 0; i < boundary.size(); i++) {
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//Convert.
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GraphCoordinate coord = map.convertGPS(boundary.get(i));
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//Use.
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xpoints[i] = coord.getX();
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ypoints[i] = coord.getY();
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}
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//Draw the boundary.
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gc.fillPolygon(xpoints, ypoints, xpoints.length);
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gc.restore();
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}
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/**
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* Draws the race.
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* Called once per frame, and on canvas resize.
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*/
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public void drawRace() {
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//Update RaceMap with new GPS values of race.
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this.map.setGPSTopLeft(visualiserRace.getVisualiserRaceState().getRaceDataSource().getMapTopLeft());
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this.map.setGPSBotRight(visualiserRace.getVisualiserRaceState().getRaceDataSource().getMapBottomRight());
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clear();
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//Race boundary.
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drawBoundary();
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//Guiding Line
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if (annoGuideLine){
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drawRaceLine();
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}
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//Boats.
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drawBoats();
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//Marks.
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drawMarks();
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}
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/**
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* draws a transparent line around the course that shows the paths boats must travel
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*/
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public void drawRaceLine(){
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List<Leg> legs = this.visualiserRace.getVisualiserRaceState().getLegs();
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GPSCoordinate legStartPoint = legs.get(0).getStartCompoundMark().getAverageGPSCoordinate();
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GPSCoordinate nextStartPoint;
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for (int i = 0; i < legs.size() -1; i++) {
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nextStartPoint = drawLineRounding(legs, i, legStartPoint);
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legStartPoint = nextStartPoint;
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}
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}
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/**
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* Draws a line around a course that shows where boats need to go. This method
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* draws the line leg by leg
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* @param legs the legs of a race
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* @param index the index of the current leg to use
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* @param legStartPoint The position the current leg.
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* @return the end point of the current leg that has been drawn
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*/
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private GPSCoordinate drawLineRounding(List<Leg> legs, int index, GPSCoordinate legStartPoint){
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GPSCoordinate startDirectionLinePoint;
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GPSCoordinate endDirectionLinePoint;
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Bearing bearingOfDirectionLine;
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GPSCoordinate startNextDirectionLinePoint;
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GPSCoordinate endNextDirectionLinePoint;
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Bearing bearingOfNextDirectionLine;
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//finds the direction of the current leg as a bearing
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startDirectionLinePoint = legStartPoint;
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GPSCoordinate tempEndDirectionLinePoint = legs.get(index).getEndCompoundMark().getAverageGPSCoordinate();
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bearingOfDirectionLine = GPSCoordinate.calculateBearing(startDirectionLinePoint, tempEndDirectionLinePoint);
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//after finding the initial bearing pick the mark used for rounding
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endDirectionLinePoint = legs.get(index).getEndCompoundMark().getMarkForRounding(bearingOfDirectionLine).getPosition();
|
|
bearingOfDirectionLine = GPSCoordinate.calculateBearing(startDirectionLinePoint, endDirectionLinePoint);
|
|
|
|
//finds the direction of the next leg as a bearing
|
|
if (index < legs.size() -2){ // not last leg
|
|
startNextDirectionLinePoint = legs.get(index + 1).getStartCompoundMark().getMark1Position();
|
|
endNextDirectionLinePoint = legs.get(index + 1).getEndCompoundMark().getMark1Position();
|
|
bearingOfNextDirectionLine = GPSCoordinate.calculateBearing(startNextDirectionLinePoint, endNextDirectionLinePoint);
|
|
|
|
double degreesToAdd;
|
|
//find which side is need to be used
|
|
if (legs.get(index).getEndCompoundMark().getRoundingType() == RoundingType.Port ||
|
|
legs.get(index).getEndCompoundMark().getRoundingType() == RoundingType.SP){
|
|
degreesToAdd = 90;
|
|
}else{
|
|
degreesToAdd = -90;
|
|
}
|
|
|
|
//use the direction line to find a point parallel to it by the mark
|
|
GPSCoordinate pointToStartCurve = GPSCoordinate.calculateNewPosition(endDirectionLinePoint,
|
|
100, Azimuth.fromDegrees(bearingOfDirectionLine.degrees()+degreesToAdd));
|
|
|
|
//use the direction line to find a point to curve too
|
|
GPSCoordinate pointToEndCurve = GPSCoordinate.calculateNewPosition(endDirectionLinePoint,
|
|
100, Azimuth.fromDegrees(bearingOfNextDirectionLine.degrees()+degreesToAdd));
|
|
|
|
//use the curve points to find the two control points for the bezier curve
|
|
GPSCoordinate controlPoint;
|
|
GPSCoordinate controlPoint2;
|
|
Bearing bearingOfCurveLine = GPSCoordinate.calculateBearing(pointToStartCurve, pointToEndCurve);
|
|
if ((bearingOfDirectionLine.degrees() - bearingOfNextDirectionLine.degrees() +360)%360< 145){
|
|
//small turn
|
|
controlPoint = GPSCoordinate.calculateNewPosition(pointToStartCurve,
|
|
50, Azimuth.fromDegrees(bearingOfCurveLine.degrees()+(degreesToAdd/2)));
|
|
controlPoint2 = controlPoint;
|
|
}else{
|
|
//large turn
|
|
controlPoint = GPSCoordinate.calculateNewPosition(pointToStartCurve,
|
|
150, Azimuth.fromDegrees(bearingOfCurveLine.degrees()+degreesToAdd));
|
|
controlPoint2 = GPSCoordinate.calculateNewPosition(pointToEndCurve,
|
|
150, Azimuth.fromDegrees(bearingOfCurveLine.degrees()+degreesToAdd));
|
|
}
|
|
|
|
|
|
//change all gps into graph coordinate
|
|
GraphCoordinate startPath = this.map.convertGPS(startDirectionLinePoint);
|
|
GraphCoordinate curvePoint = this.map.convertGPS(pointToStartCurve);
|
|
GraphCoordinate curvePointEnd = this.map.convertGPS(pointToEndCurve);
|
|
GraphCoordinate c1 = this.map.convertGPS(controlPoint);
|
|
GraphCoordinate c2 = this.map.convertGPS(controlPoint2);
|
|
|
|
gc.save();
|
|
|
|
gc.setLineWidth(2);
|
|
gc.setStroke(Color.MEDIUMAQUAMARINE);
|
|
|
|
gc.beginPath();
|
|
gc.moveTo(startPath.getX(), startPath.getY());
|
|
gc.lineTo(curvePoint.getX(), curvePoint.getY());
|
|
drawArrowHead(startDirectionLinePoint, pointToStartCurve);
|
|
gc.bezierCurveTo(c1.getX(), c1.getY(), c2.getX(), c2.getY(), curvePointEnd.getX(), curvePointEnd.getY());
|
|
gc.stroke();
|
|
gc.closePath();
|
|
//gc.save();
|
|
gc.restore();
|
|
|
|
return pointToEndCurve;
|
|
}else{//last leg so no curve
|
|
GraphCoordinate startPath = this.map.convertGPS(legStartPoint);
|
|
GraphCoordinate endPath = this.map.convertGPS(legs.get(index).getEndCompoundMark().getAverageGPSCoordinate());
|
|
|
|
gc.save();
|
|
|
|
gc.beginPath();
|
|
gc.moveTo(startPath.getX(), startPath.getY());
|
|
gc.lineTo(endPath.getX(), endPath.getY());
|
|
gc.stroke();
|
|
gc.closePath();
|
|
//gc.save();
|
|
drawArrowHead(legStartPoint, legs.get(index).getEndCompoundMark().getAverageGPSCoordinate());
|
|
|
|
gc.restore();
|
|
|
|
return null;
|
|
}
|
|
}
|
|
|
|
private void drawArrowHead(GPSCoordinate start, GPSCoordinate end){
|
|
|
|
GraphCoordinate lineStart = this.map.convertGPS(start);
|
|
GraphCoordinate lineEnd = this.map.convertGPS(end);
|
|
|
|
double arrowAngle = Math.toRadians(45.0);
|
|
double arrowLength = 10.0;
|
|
double dx = lineStart.getX() - lineEnd.getX();
|
|
double dy = lineStart.getY() - lineEnd.getY();
|
|
double angle = Math.atan2(dy, dx);
|
|
double x1 = Math.cos(angle + arrowAngle) * arrowLength + lineEnd.getX();
|
|
double y1 = Math.sin(angle + arrowAngle) * arrowLength + lineEnd.getY();
|
|
|
|
double x2 = Math.cos(angle - arrowAngle) * arrowLength + lineEnd.getX();
|
|
double y2 = Math.sin(angle - arrowAngle) * arrowLength + lineEnd.getY();
|
|
gc.strokeLine(lineEnd.getX(), lineEnd.getY(), x1, y1);
|
|
gc.strokeLine(lineEnd.getX(), lineEnd.getY(), x2, y2);
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Draws all track points for a given boat. Colour is set by boat, opacity by track point.
|
|
* This checks if {@link #annoPath} is enabled.
|
|
* @param boat The boat to draw tracks for.
|
|
* @see TrackPoint
|
|
*/
|
|
private void drawTrack(VisualiserBoat boat) {
|
|
//Check that track points are enabled.
|
|
if (this.annoPath) {
|
|
|
|
List<TrackPoint> trackPoints = new ArrayList<>(boat.getTrack());
|
|
|
|
if (trackPoints.size() > 2 ) {
|
|
|
|
gc.save();
|
|
|
|
gc.setLineWidth(3);
|
|
|
|
|
|
//Draw a line between each adjacent pair of track points.
|
|
for (int i = 0; i < trackPoints.size() - 1; i++) {
|
|
|
|
//Convert the GPSCoordinate to a screen coordinate.
|
|
GraphCoordinate scaledCoordinate1 = this.map.convertGPS(trackPoints.get(i).getCoordinate());
|
|
GraphCoordinate scaledCoordinate2 = this.map.convertGPS(trackPoints.get(i + 1).getCoordinate());
|
|
|
|
double alpha = trackPoints.get(i).getAlpha();
|
|
Paint fadedPaint = new Color(
|
|
boat.getColor().getRed(),
|
|
boat.getColor().getGreen(),
|
|
boat.getColor().getBlue(),
|
|
alpha );
|
|
|
|
//Apply the faded boat color.
|
|
gc.setFill(fadedPaint);
|
|
gc.setStroke(fadedPaint);
|
|
|
|
gc.strokeLine(
|
|
scaledCoordinate1.getX(),
|
|
scaledCoordinate1.getY(),
|
|
scaledCoordinate2.getX(),
|
|
scaledCoordinate2.getY() );
|
|
}
|
|
|
|
|
|
gc.restore();
|
|
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|