mirror of
https://github.com/michaelrausch/Party-Parrots-At-Sea.git
synced 2026-05-09 14:28:43 +00:00
Calum
444 lines
18 KiB
Java
444 lines
18 KiB
Java
package seng302.visualiser;
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import javafx.application.Platform;
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import javafx.collections.ObservableList;
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import javafx.geometry.Point2D;
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import javafx.scene.*;
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import javafx.scene.image.ImageView;
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import javafx.scene.layout.Pane;
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import javafx.scene.paint.Color;
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import javafx.scene.paint.Paint;
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import javafx.scene.shape.Polygon;
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import seng302.gameServer.messages.RoundingSide;
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import seng302.model.GeoPoint;
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import seng302.model.Limit;
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import seng302.model.mark.CompoundMark;
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import seng302.model.mark.Corner;
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import seng302.model.mark.Mark;
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import seng302.utilities.GeoUtility;
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import seng302.visualiser.fxObjects.MarkArrowFactory;
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import seng302.visualiser.fxObjects.assets_2D.*;
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import java.util.*;
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/**
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* Created by cir27 on 20/07/17.
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*/
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public class GameView extends Pane {
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private double bufferSize = 50;
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private double horizontalBuffer = 0;
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private double canvasWidth = 1100;
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private double canvasHeight = 920;
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private boolean horizontalInversion = false;
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private double distanceScaleFactor;
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private ScaleDirection scaleDirection;
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private GeoPoint minLatPoint, minLonPoint, maxLatPoint, maxLonPoint;
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private double referencePointX, referencePointY;
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private Polygon raceBorder = new CourseBoundary();
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/* Note that if either of these is null then values for it have not been added and the other
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should be used as the limits of the map. */
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private List<Limit> borderPoints;
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private Map<Mark, Marker2D> markerObjects;
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private ObservableList<Node> gameObjects;
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private Group markers = new Group();
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private Group tokens = new Group();
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private List<CompoundMark> course = new ArrayList<>();
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private ImageView mapImage = new ImageView();
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private enum ScaleDirection {
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HORIZONTAL,
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VERTICAL
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}
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public GameView () {
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gameObjects = this.getChildren();
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gameObjects.addAll(mapImage, raceBorder, markers, tokens);
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}
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/**
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* Adds a course to the GameView. The view is scaled accordingly unless a border is set in which
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* case the course is added relative ot the border.
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*
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* @param newCourse the mark objects that make up the course.
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* @param sequence The sequence the marks travel through
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*/
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public void updateCourse(List<CompoundMark> newCourse, List<Corner> sequence) {
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markerObjects = new HashMap<>();
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for (Corner corner : sequence) { //Makes course out of all compound marks.
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for (CompoundMark compoundMark : newCourse) {
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if (corner.getCompoundMarkID() == compoundMark.getId()) {
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course.add(compoundMark);
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}
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}
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}
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// TODO: 16/08/17 Updating mark roundings here. It should not happen here. Nor should it be done this way.
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for (Corner corner : sequence){
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CompoundMark compoundMark = course.get(corner.getSeqID() - 1);
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compoundMark.setRoundingSide(
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RoundingSide.getRoundingSide(corner.getRounding())
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);
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}
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final List<Gate> gates = new ArrayList<>();
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Paint colour = Color.BLACK;
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//Creates new markers
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for (CompoundMark cMark : newCourse) {
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//Set start and end colour
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if (cMark.getId() == sequence.get(0).getCompoundMarkID()) {
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colour = Color.GREEN;
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} else if (cMark.getId() == sequence.get(sequence.size() - 1).getCompoundMarkID()) {
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colour = Color.RED;
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}
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//Create mark dots
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for (Mark mark : cMark.getMarks()) {
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makeAndBindMarker(mark, colour);
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}
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//Create gate line
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if (cMark.isGate()) {
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for (int i = 1; i < cMark.getMarks().size(); i++) {
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gates.add(
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makeAndBindGate(
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markerObjects.get(cMark.getSubMark(i)),
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markerObjects.get(cMark.getSubMark(i + 1)),
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colour
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)
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);
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}
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}
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colour = Color.BLACK;
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}
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createMarkArrows(sequence);
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//Scale race to markers if there is no border.
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if (borderPoints == null) {
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rescaleRace(new ArrayList<>(markerObjects.keySet()));
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}
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//Move the Markers to initial position.
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markerObjects.forEach(((mark, marker2D) -> {
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Point2D p2d = findScaledXY(mark.getLat(), mark.getLng());
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marker2D.setLayoutX(p2d.getX());
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marker2D.setLayoutY(p2d.getY());
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}));
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Platform.runLater(() -> {
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markers.getChildren().clear();
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markers.getChildren().addAll(gates);
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markers.getChildren().addAll(markerObjects.values());
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});
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}
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/**
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* Calculates all the data needed for to create mark arrows. Requires that a course has been
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* added to the gameview.
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* @param sequence The order in which marks are traversed.
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*/
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private void createMarkArrows (List<Corner> sequence) {
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for (int i=1; i < sequence.size()-1; i++) { //General case.
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double averageLat = 0;
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double averageLng = 0;
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int numMarks = course.get(i-1).getMarks().size();
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for (Mark mark : course.get(i-1).getMarks()) {
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averageLat += mark.getLat();
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averageLng += mark.getLng();
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}
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GeoPoint lastMarkAv = new GeoPoint(averageLat / numMarks, averageLng / numMarks);
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numMarks = course.get(i+1).getMarks().size();
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averageLat = 0;
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averageLng = 0;
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for (Mark mark : course.get(i+1).getMarks()) {
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averageLat += mark.getLat();
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averageLng += mark.getLng();
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}
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GeoPoint nextMarkAv = new GeoPoint(averageLat / numMarks, averageLng / numMarks);
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// TODO: 16/08/17 This comparison doesn't need to exist but the alternative is to user server enum client side.
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for (Mark mark : course.get(i).getMarks()) {
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markerObjects.get(mark).addArrows(
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mark.getRoundingSide() == RoundingSide.STARBOARD ? MarkArrowFactory.RoundingSide.STARBOARD : MarkArrowFactory.RoundingSide.PORT,
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GeoUtility.getBearing(lastMarkAv, mark),
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GeoUtility.getBearing(mark, nextMarkAv)
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);
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}
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}
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createStartLineArrows();
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createFinishLineArrows();
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}
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private void createStartLineArrows () {
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double averageLat = 0;
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double averageLng = 0;
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int numMarks = 0;
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for (Mark mark : course.get(1).getMarks()) {
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numMarks += 1;
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averageLat += mark.getLat();
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averageLng += mark.getLng();
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}
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GeoPoint firstMarkAv = new GeoPoint(averageLat / numMarks, averageLng / numMarks);
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for (Mark mark : course.get(0).getMarks()) {
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markerObjects.get(mark).addArrows(
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mark.getRoundingSide() == RoundingSide.STARBOARD ? MarkArrowFactory.RoundingSide.STARBOARD : MarkArrowFactory.RoundingSide.PORT,
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0d, //90
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GeoUtility.getBearing(mark, firstMarkAv)
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);
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}
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}
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private void createFinishLineArrows () {
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double numMarks = 0;
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double averageLat = 0;
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double averageLng = 0;
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for (Mark mark : course.get(course.size()-2).getMarks()) {
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numMarks += 1;
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averageLat += mark.getLat();
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averageLng += mark.getLng();
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}
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GeoPoint secondToLastMarkAv = new GeoPoint(averageLat / numMarks, averageLng / numMarks);
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for (Mark mark : course.get(course.size()-1).getMarks()) {
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markerObjects.get(mark).addArrows(
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mark.getRoundingSide() == RoundingSide.STARBOARD ? MarkArrowFactory.RoundingSide.STARBOARD : MarkArrowFactory.RoundingSide.PORT,
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GeoUtility.getBearing(secondToLastMarkAv, mark),
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GeoUtility.getBearing(mark, mark)
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);
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}
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}
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/**
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* Creates a new Marker and binds it's position to the given Mark.
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*
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* @param observableMark The mark to bind the marker to.
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* @param colour The desired colour of the mark
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*/
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private void makeAndBindMarker(Mark observableMark, Paint colour) {
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Marker2D marker2D = new Marker2D(colour);
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// marker.addArrows(MarkArrowFactory.RoundingSide.PORT, ThreadLocalRandom.current().nextDouble(91, 180), ThreadLocalRandom.current().nextDouble(1, 90));
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markerObjects.put(observableMark, marker2D);
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observableMark.addPositionListener((mark, lat, lon) -> {
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Point2D p2d = findScaledXY(lat, lon);
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markerObjects.get(mark).setLayoutX(p2d.getX());
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markerObjects.get(mark).setLayoutY(p2d.getY());
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});
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}
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/**
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* Creates a new gate connecting the given marks.
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*
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* @param m1 The first Mark of the gate.
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* @param m2 The second Mark of the gate.
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* @param colour The desired colour of the gate.
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* @return the new gate.
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*/
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private Gate makeAndBindGate(Marker2D m1, Marker2D m2, Paint colour) {
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Gate gate = new Gate(colour);
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gate.startXProperty().bind(
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m1.layoutXProperty()
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);
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gate.startYProperty().bind(
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m1.layoutYProperty()
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);
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gate.endXProperty().bind(
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m2.layoutXProperty()
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);
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gate.endYProperty().bind(
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m2.layoutYProperty()
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);
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return gate;
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}
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/**
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* Adds a border to the GameView and rescales to the size of the border, does not rescale if a
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* border already exists. Assumes the border is larger than the course.
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*
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* @param border the race border to be drawn.
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*/
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public void updateBorder(List<Limit> border) {
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if (borderPoints == null) {
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borderPoints = border;
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rescaleRace(new ArrayList<>(borderPoints));
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}
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rescaleRace(new ArrayList<>(border));
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List<Double> boundaryPoints = new ArrayList<>();
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for (Limit limit : border) {
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Point2D location = findScaledXY(limit.getLat(), limit.getLng());
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boundaryPoints.add(location.getX());
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boundaryPoints.add(location.getY());
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}
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raceBorder.getPoints().setAll(boundaryPoints);
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}
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/**
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* Rescales the race to the size of the window.
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*
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* @param limitingCoordinates the set of geo points that contains the extremities of the race.
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*/
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public void rescaleRace(List<GeoPoint> limitingCoordinates) {
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//Check is called once to avoid unnecessarily change the course limits once the race is running
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findMinMaxPoint(limitingCoordinates);
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double minLonToMaxLon = scaleRaceExtremities();
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calculateReferencePointLocation(minLonToMaxLon);
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}
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/**
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* Sets the class variables minLatPoint, maxLatPoint, minLonPoint, maxLonPoint to the point with
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* the leftmost point, rightmost point, southern most point and northern most point
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* respectively.
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*/
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private void findMinMaxPoint(List<GeoPoint> points) {
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List<GeoPoint> sortedPoints = new ArrayList<>(points);
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sortedPoints.sort(Comparator.comparingDouble(GeoPoint::getLat));
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minLatPoint = new GeoPoint(sortedPoints.get(0).getLat(), sortedPoints.get(0).getLng());
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GeoPoint maxLat = sortedPoints.get(sortedPoints.size() - 1);
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maxLatPoint = new GeoPoint(maxLat.getLat(), maxLat.getLng());
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sortedPoints.sort(Comparator.comparingDouble(GeoPoint::getLng));
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minLonPoint = new GeoPoint(sortedPoints.get(0).getLat(), sortedPoints.get(0).getLng());
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GeoPoint maxLon = sortedPoints.get(sortedPoints.size() - 1);
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maxLonPoint = new GeoPoint(maxLon.getLat(), maxLon.getLng());
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if (maxLonPoint.getLng() - minLonPoint.getLng() > 180) {
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horizontalInversion = true;
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}
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}
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/**
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* Calculates the location of a reference point, this is always the point with minimum latitude,
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* in relation to the canvas.
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*
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* @param minLonToMaxLon The horizontal distance between the point of minimum longitude to
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* maximum longitude.
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*/
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private void calculateReferencePointLocation(double minLonToMaxLon) {
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GeoPoint referencePoint = minLatPoint;
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double referenceAngle;
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if (scaleDirection == ScaleDirection.HORIZONTAL) {
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referenceAngle = Math.abs(
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GeoUtility.getBearingRad(referencePoint, minLonPoint)
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);
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referencePointX =
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bufferSize + distanceScaleFactor * Math.sin(referenceAngle) * GeoUtility
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.getDistance(referencePoint, minLonPoint);
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referenceAngle = Math.abs(GeoUtility.getDistance(referencePoint, maxLatPoint));
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referencePointY = canvasHeight - (bufferSize + bufferSize);
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referencePointY -= distanceScaleFactor * Math.cos(referenceAngle) * GeoUtility
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.getDistance(referencePoint, maxLatPoint);
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referencePointY = referencePointY / 2;
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referencePointY += bufferSize;
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referencePointY += distanceScaleFactor * Math.cos(referenceAngle) * GeoUtility
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.getDistance(referencePoint, maxLatPoint);
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} else {
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referencePointY = canvasHeight - bufferSize;
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referenceAngle = Math.abs(
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Math.toRadians(
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GeoUtility.getDistance(referencePoint, minLonPoint)
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)
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);
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referencePointX = bufferSize;
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referencePointX += distanceScaleFactor * Math.sin(referenceAngle) * GeoUtility
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.getDistance(referencePoint, minLonPoint);
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referencePointX +=
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((canvasWidth - (bufferSize + bufferSize)) - (minLonToMaxLon * distanceScaleFactor))
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/ 2;
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referencePointX += horizontalBuffer;
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}
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if (horizontalInversion) {
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referencePointX = canvasWidth - bufferSize - (referencePointX - bufferSize);
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}
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}
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/**
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* Finds the scale factor necessary to fit all race markers within the onscreen map and assigns
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* it to distanceScaleFactor Returns the max horizontal distance of the map.
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*/
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private double scaleRaceExtremities() {
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double vertAngle = Math.abs(
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GeoUtility.getBearingRad(minLatPoint, maxLatPoint)
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);
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double vertDistance =
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Math.cos(vertAngle) * GeoUtility.getDistance(minLatPoint, maxLatPoint);
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double horiAngle = Math.abs(
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GeoUtility.getBearingRad(minLonPoint, maxLonPoint)
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);
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if (horiAngle <= (Math.PI / 2)) {
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horiAngle = (Math.PI / 2) - horiAngle;
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} else {
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horiAngle = horiAngle - (Math.PI / 2);
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}
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double horiDistance =
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Math.cos(horiAngle) * GeoUtility.getDistance(minLonPoint, maxLonPoint);
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double vertScale = (canvasHeight - (bufferSize + bufferSize)) / vertDistance;
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if ((horiDistance * vertScale) > (canvasWidth - (bufferSize + bufferSize))) {
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distanceScaleFactor = (canvasWidth - (bufferSize + bufferSize)) / horiDistance;
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scaleDirection = ScaleDirection.HORIZONTAL;
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} else {
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distanceScaleFactor = vertScale;
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scaleDirection = ScaleDirection.VERTICAL;
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}
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return horiDistance;
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}
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private Point2D findScaledXY(double unscaledLat, double unscaledLon) {
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double distanceFromReference;
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double angleFromReference;
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double xAxisLocation = referencePointX;
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double yAxisLocation = referencePointY;
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angleFromReference = GeoUtility.getBearingRad(
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minLatPoint, new GeoPoint(unscaledLat, unscaledLon)
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);
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distanceFromReference = GeoUtility.getDistance(
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minLatPoint, new GeoPoint(unscaledLat, unscaledLon)
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);
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if (angleFromReference >= 0 && angleFromReference <= Math.PI / 2) {
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xAxisLocation += Math
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.round(distanceScaleFactor * Math.sin(angleFromReference) * distanceFromReference);
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yAxisLocation -= Math
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.round(distanceScaleFactor * Math.cos(angleFromReference) * distanceFromReference);
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} else if (angleFromReference >= 0) {
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angleFromReference = angleFromReference - Math.PI / 2;
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xAxisLocation += Math
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.round(distanceScaleFactor * Math.cos(angleFromReference) * distanceFromReference);
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yAxisLocation += Math
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.round(distanceScaleFactor * Math.sin(angleFromReference) * distanceFromReference);
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} else if (angleFromReference < 0 && angleFromReference >= -Math.PI / 2) {
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angleFromReference = Math.abs(angleFromReference);
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xAxisLocation -= Math
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.round(distanceScaleFactor * Math.sin(angleFromReference) * distanceFromReference);
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yAxisLocation -= Math
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.round(distanceScaleFactor * Math.cos(angleFromReference) * distanceFromReference);
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} else {
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angleFromReference = Math.abs(angleFromReference) - Math.PI / 2;
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xAxisLocation -= Math
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.round(distanceScaleFactor * Math.cos(angleFromReference) * distanceFromReference);
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yAxisLocation += Math
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.round(distanceScaleFactor * Math.sin(angleFromReference) * distanceFromReference);
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}
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if (horizontalInversion) {
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xAxisLocation = canvasWidth - bufferSize - (xAxisLocation - bufferSize);
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}
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return new Point2D(xAxisLocation, yAxisLocation);
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}
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public void setSize(Double width, Double height){
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this.canvasWidth = width;
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this.canvasHeight = height;
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}
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public void setHorizontalBuffer(Double buff){
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this.horizontalBuffer = buff;
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}
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}
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