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Merge branch 'develop' into Story64_SailsAnimations

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# Conflicts:
#	src/main/java/seng302/model/Yacht.java
This commit is contained in:
Kusal Ekanayake
2017-08-13 14:34:42 +12:00
parent 941febaf62 55c22fa7e2
commit 2411a3cc2c
27 changed files with 1270 additions and 719 deletions
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src/main/java/seng302/gameServer/GameState.java
+14 -14
View File
@@ -4,12 +4,12 @@ import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javafx.application.Platform;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import seng302.gameServer.server.messages.BoatActionType;
import seng302.model.Player;
import seng302.model.Yacht;
import seng302.gameServer.server.messages.BoatActionType;
import seng302.model.mark.MarkOrder;
/**
* A Static class to hold information about the current state of the game (model)
@@ -17,7 +17,10 @@ import seng302.gameServer.server.messages.BoatActionType;
*/
public class GameState implements Runnable {
private Logger logger = LoggerFactory.getLogger(MarkOrder.class);
private static Integer STATE_UPDATES_PER_SECOND = 60;
public static Integer MAX_PLAYERS = 8;
private static Long previousUpdateTime;
public static Double windDirection;
@@ -28,10 +31,9 @@ public class GameState implements Runnable {
private static Map<Integer, Yacht> yachts;
private static Boolean isRaceStarted;
private static GameStages currentStage;
private static MarkOrder markOrder;
private static long startTime;
// TODO: 26/07/17 cir27 - Super hackish fix until something more permanent can be made.
private static ObservableList<String> observablePlayers = FXCollections.observableArrayList();
private static Map<Player, String> playerStringMap = new HashMap<>();
/*
Ideally I would like to make this class an object instantiated by the server and given to
@@ -58,9 +60,9 @@ public class GameState implements Runnable {
//set this when game stage changes to prerace
previousUpdateTime = System.currentTimeMillis();
yachts = new HashMap<>();
markOrder = new MarkOrder(); //This could be instantiated at some point with a select map?
new Thread(this).start();
new Thread(this).start(); //Run the auto updates on the game state
}
public static String getHostIpAddress() {
@@ -71,20 +73,14 @@ public class GameState implements Runnable {
return players;
}
public static ObservableList<String> getObservablePlayers () {
return observablePlayers;
}
public static void addPlayer(Player player) {
players.add(player);
String playerText = player.getYacht().getSourceId() + " " + player.getYacht().getBoatName() + " " + player.getYacht().getCountry();
Platform.runLater(() -> observablePlayers.add(playerText)); //Had to add this to handle javaFX window using array
playerStringMap.put(player, playerText);
}
public static void removePlayer(Player player) {
players.remove(player);
observablePlayers.remove(playerStringMap.get(player));
playerStringMap.remove(player);
}
@@ -112,6 +108,10 @@ public class GameState implements Runnable {
GameState.currentStage = currentStage;
}
public static MarkOrder getMarkOrder() {
return markOrder;
}
public static long getStartTime(){
return startTime;
}
src/main/java/seng302/gameServer/ServerPacketParser.java
+8 -19
View File
@@ -1,37 +1,26 @@
package seng302.gameServer;
import java.util.Arrays;
import seng302.gameServer.server.messages.ClientType;
import seng302.gameServer.server.messages.Message;
import seng302.model.stream.packets.StreamPacket;
import seng302.gameServer.server.messages.BoatActionType;
public class ServerPacketParser {
public static BoatActionType extractBoatAction(StreamPacket packet) {
byte[] payload = packet.getPayload();
int messageVersionNo = payload[0];
long actionTypeValue = bytesToLong(Arrays.copyOfRange(payload, 0, 1));
long actionTypeValue = Message.bytesToLong(Arrays.copyOfRange(payload, 0, 1));
return BoatActionType.getType((int) actionTypeValue);
}
/**
* takes an array of up to 7 bytes and returns a positive
* long constructed from the input bytes
*
* @return a positive long if there is less than 7 bytes -1 otherwise
*/
private static long bytesToLong(byte[] bytes) {
long partialLong = 0;
int index = 0;
for (byte b : bytes) {
if (index > 6) {
return -1;
}
partialLong = partialLong | (b & 0xFFL) << (index * 8);
index++;
}
return partialLong;
public static ClientType extractClientType(StreamPacket packet){
byte[] payload = packet.getPayload();
long value = Message.bytesToLong(Arrays.copyOfRange(payload, 0, 1));
return ClientType.getClientType((int) value);
}
}
src/main/java/seng302/gameServer/ServerToClientThread.java
+90 -84
View File
@@ -1,12 +1,16 @@
package seng302.gameServer;
import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import seng302.gameServer.server.messages.*;
import seng302.model.Player;
import seng302.model.Yacht;
import seng302.model.stream.packets.PacketType;
import seng302.model.stream.packets.StreamPacket;
import seng302.model.stream.xml.generator.Race;
import seng302.model.stream.xml.generator.Regatta;
import seng302.utilities.XMLGenerator;
import java.io.*;
import java.net.Socket;
import java.net.SocketException;
import java.time.LocalDateTime;
@@ -18,23 +22,6 @@ import java.util.concurrent.ThreadLocalRandom;
import java.util.stream.Collectors;
import java.util.zip.CRC32;
import java.util.zip.Checksum;
import seng302.model.Player;
import seng302.model.Yacht;
import seng302.model.stream.packets.PacketType;
import seng302.model.stream.packets.StreamPacket;
import seng302.model.stream.xml.generator.Race;
import seng302.model.stream.xml.generator.Regatta;
import seng302.utilities.XMLGenerator;
import seng302.gameServer.server.messages.BoatActionType;
import seng302.gameServer.server.messages.BoatLocationMessage;
import seng302.gameServer.server.messages.BoatStatus;
import seng302.gameServer.server.messages.BoatSubMessage;
import seng302.gameServer.server.messages.Message;
import seng302.gameServer.server.messages.RaceStatus;
import seng302.gameServer.server.messages.RaceStatusMessage;
import seng302.gameServer.server.messages.RaceType;
import seng302.gameServer.server.messages.XMLMessage;
import seng302.gameServer.server.messages.XMLMessageSubType;
/**
* A class describing a single connection to a Client for the purposes of sending and receiving on
@@ -62,57 +49,58 @@ public class ServerToClientThread implements Runnable, Observer {
private Integer seqNo;
private Integer sourceId;
private ClientType clientType;
private Boolean isRegistered = false;
private XMLGenerator xml;
public ServerToClientThread(Socket socket) {
this.socket = socket;
seqNo = 0;
try{
is = socket.getInputStream();
os = socket.getOutputStream();
} catch (IOException e) {
return;
}
thread = new Thread(this);
thread.start();
}
private void setUpYacht(){
BufferedReader fn;
String fName = "";
BufferedReader ln;
String lName = "";
try {
is = socket.getInputStream();
os = socket.getOutputStream();
fn = new BufferedReader(
new InputStreamReader(
ServerToClientThread.class.getResourceAsStream(
"/server_config/CSV_Database_of_First_Names.csv"
)
)
);
List<String> all = fn.lines().collect(Collectors.toList());
fName = all.get(ThreadLocalRandom.current().nextInt(0, all.size()));
ln = new BufferedReader(
new InputStreamReader(
ServerToClientThread.class.getResourceAsStream(
"/server_config/CSV_Database_of_Last_Names.csv"
)
)
);
all = ln.lines().collect(Collectors.toList());
lName = all.get(ThreadLocalRandom.current().nextInt(0, all.size()));
} catch (IOException e) {
serverLog("IO error in server thread upon grabbing streams", 1);
}
//Attempt threeway handshake with connection
sourceId = GameState.getUniquePlayerID();
if (threeWayHandshake(sourceId)) {
serverLog("Successful handshake. Client allocated id: " + sourceId, 0);
Yacht yacht = new Yacht(
"Yacht", sourceId, sourceId.toString(), fName, fName + " " + lName, "NZ"
);
// Yacht yacht = new Yacht("Kappa", "Kap", new GeoPoint(57.6708220, 11.8321340), 90.0);
GameState.addYacht(sourceId, yacht);
GameState.addPlayer(new Player(socket, yacht));
} else {
serverLog("Unsuccessful handshake. Connection rejected", 1);
closeSocket();
return;
}
seqNo = 0;
thread = new Thread(this);
thread.start();
fn = new BufferedReader(
new InputStreamReader(
ServerToClientThread.class.getResourceAsStream(
"/server_config/CSV_Database_of_First_Names.csv"
)
)
);
List<String> all = fn.lines().collect(Collectors.toList());
fName = all.get(ThreadLocalRandom.current().nextInt(0, all.size()));
ln = new BufferedReader(
new InputStreamReader(
ServerToClientThread.class.getResourceAsStream(
"/server_config/CSV_Database_of_Last_Names.csv"
)
)
);
all = ln.lines().collect(Collectors.toList());
lName = all.get(ThreadLocalRandom.current().nextInt(0, all.size()));
Yacht yacht = new Yacht(
"Yacht", sourceId, sourceId.toString(), fName, fName + " " + lName, "NZ"
);
GameState.addYacht(sourceId, yacht);
GameState.addPlayer(new Player(socket, yacht));
}
static void serverLog(String message, int logLevel) {
@@ -127,11 +115,39 @@ public class ServerToClientThread implements Runnable, Observer {
sendSetupMessages();
}
private void completeRegistration(ClientType clientType) throws IOException {
// Fail if not a player
if (!clientType.equals(ClientType.PLAYER)){
RegistrationResponseMessage responseMessage = new RegistrationResponseMessage(0, RegistrationResponseStatus.FAILURE_GENERAL);
os.write(responseMessage.getBuffer());
return;
}
if (GameState.getPlayers().size() >= GameState.MAX_PLAYERS){
RegistrationResponseMessage responseMessage = new RegistrationResponseMessage(0, RegistrationResponseStatus.FAILURE_FULL);
os.write(responseMessage.getBuffer());
return;
}
Integer sourceId = GameState.getUniquePlayerID();
RegistrationResponseMessage responseMessage = new RegistrationResponseMessage(sourceId, RegistrationResponseStatus.SUCCESS_PLAYING);
this.clientType = clientType;
this.sourceId = sourceId;
setUpYacht();
isRegistered = true;
os.write(responseMessage.getBuffer());
sendSetupMessages();
}
public void run() {
int sync1;
int sync2;
// TODO: 14/07/17 wmu16 - Work out how to fix this while loop
while (socket.isConnected()) {
try {
@@ -169,10 +185,17 @@ public class ServerToClientThread implements Runnable, Observer {
switch (PacketType.assignPacketType(type, payload)) {
case BOAT_ACTION:
BoatActionType actionType = ServerPacketParser
.extractBoatAction(
new StreamPacket(type, payloadLength, timeStamp, payload));
.extractBoatAction(
new StreamPacket(type, payloadLength, timeStamp, payload));
GameState.updateBoat(sourceId, actionType);
break;
case RACE_REGISTRATION_REQUEST:
ClientType requestedType = ServerPacketParser.extractClientType(
new StreamPacket(type, payloadLength, timeStamp, payload));
completeRegistration(requestedType);
break;
}
} else {
serverLog("Packet has been dropped", 1);
@@ -230,23 +253,6 @@ public class ServerToClientThread implements Runnable, Observer {
* @return A boolean indicating if it was a successful handshake
*/
private Boolean threeWayHandshake(Integer id) {
Integer confirmationID = null;
Integer identificationAttempt = 0;
while (!userIdentified) {
try {
os.write(id); //Send out new ID looking for echo
confirmationID = is.read();
} catch (IOException e) {
serverLog("Three way handshake failed", 1);
}
if (id.equals(confirmationID)) { //ID is echoed back. Connection is a client
return true;
} else if (identificationAttempt > MAX_ID_ATTEMPTS) { //No response. not a client. tidy up and go home.
return false;
}
identificationAttempt++;
}
return true;
}
src/main/java/seng302/gameServer/server/messages/BoatLocationMessage.java
+24 -15
View File
@@ -1,6 +1,7 @@
package seng302.gameServer.server.messages;
public class BoatLocationMessage extends Message {
private final int MESSAGE_SIZE = 56;
private long messageVersionNumber;
@@ -28,6 +29,7 @@ public class BoatLocationMessage extends Message {
/**
* Describes the location, altitude and sensor data from the boat.
*
* @param sourceId ID of the boat
* @param sequenceNum Sequence number of the message
* @param latitude The boats latitude
@@ -35,7 +37,8 @@ public class BoatLocationMessage extends Message {
* @param heading The boats heading
* @param boatSpeed The boats speed
*/
public BoatLocationMessage(int sourceId, int sequenceNum, double latitude, double longitude, double heading, long boatSpeed){
public BoatLocationMessage(int sourceId, int sequenceNum, double latitude, double longitude,
double heading, long boatSpeed) {
messageVersionNumber = 1;
time = System.currentTimeMillis();
this.sourceId = sourceId;
@@ -49,7 +52,7 @@ public class BoatLocationMessage extends Message {
this.roll = 0;
this.boatSpeed = boatSpeed;
this.COG = 2;
this.SOG = boatSpeed ;
this.SOG = boatSpeed;
this.apparentWindSpeed = 0;
this.apparentWindAngle = 0;
this.trueWindSpeed = 0;
@@ -63,7 +66,7 @@ public class BoatLocationMessage extends Message {
allocateBuffer();
writeHeaderToBuffer();
long headingToSend = (long)((heading/360.0) * 65535.0);
long headingToSend = (long) ((heading / 360.0) * 65535.0);
putByte((byte) messageVersionNumber);
putInt(time, 6);
@@ -94,56 +97,62 @@ public class BoatLocationMessage extends Message {
/**
* Convert binary latitude or longitude to floating point number
*
* @param binaryPackedLatLon Binary packed lat OR lon
* @return Floating point lat/lon
*/
public static double binaryPackedToLatLon(long binaryPackedLatLon){
return (double)binaryPackedLatLon * 180.0 / 2147483648.0;
public static double binaryPackedToLatLon(long binaryPackedLatLon) {
return (double) binaryPackedLatLon * 180.0 / 2147483648.0;
}
/**
* Convert binary packed heading to floating point number
*
* @param binaryPackedHeading Binary packed heading
* @return heading as a decimal
*/
public static double binaryPackedHeadingToDouble(long binaryPackedHeading){
return (double)binaryPackedHeading * 360.0 / 65536.0;
public static double binaryPackedHeadingToDouble(long binaryPackedHeading) {
return (double) binaryPackedHeading * 360.0 / 65536.0;
}
/**
* Convert binary packed wind angle to floating point number
*
* @param binaryPackedWindAngle Binary packed wind angle
* @return wind angle as a decimal
*/
public static double binaryPackedWindAngleToDouble(long binaryPackedWindAngle){
return (double)binaryPackedWindAngle*180.0/32768.0;
public static double binaryPackedWindAngleToDouble(long binaryPackedWindAngle) {
return (double) binaryPackedWindAngle * 180.0 / 32768.0;
}
/**
* Convert a latitude or longitude to a binary packed long
*
* @param latLon A floating point latitude/longitude
* @return A binary packed lat/lon
*/
public static long latLonToBinaryPackedLong(double latLon){
return (long)((536870912 * latLon) / 45);
public static long latLonToBinaryPackedLong(double latLon) {
return (long) ((536870912 * latLon) / 45);
}
/**
* Convert a heading to a binary packed long
*
* @param heading A floating point heading
* @return A binary packed heading
*/
public static long headingToBinaryPackedLong(double heading){
return (long)((8192*heading)/45);
public static long headingToBinaryPackedLong(double heading) {
return (long) ((8192 * heading) / 45);
}
/**
* Convert a wind angle to a binary packed long
*
* @param windAngle Floating point wind angle
* @return A binary packed wind angle
*/
public static long windAngleToBinaryPackedLong(double windAngle){
return (long)((8192*windAngle)/45);
public static long windAngleToBinaryPackedLong(double windAngle) {
return (long) ((8192 * windAngle) / 45);
}
@Override
src/main/java/seng302/gameServer/server/messages/ClientType.java
+33
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@@ -0,0 +1,33 @@
package seng302.gameServer.server.messages;
public enum ClientType {
SPECTATOR(0x00),
PLAYER(0x01),
CONTROL_TUTORIAL(0x02),
GHOST_MODE(0x03);
private int type;
ClientType(int type){
this.type = type;
}
public int getCode(){
return type;
}
public static ClientType getClientType(int typeCode){
switch (typeCode){
case 0x00:
return SPECTATOR;
case 0x01:
return PLAYER;
case 0x02:
return CONTROL_TUTORIAL;
case 0x03:
return GHOST_MODE;
default:
return PLAYER;
}
}
}
src/main/java/seng302/gameServer/server/messages/MessageType.java
+5 -1
View File
@@ -17,7 +17,9 @@ public enum MessageType {
MARK_ROUNDING(38),
COURSE_WIND(44),
AVERAGE_WIND(47),
BOAT_ACTION(100);
BOAT_ACTION(100),
REGISTRATION_REQUEST(101),
REGISTRATION_RESPONSE(102);
private int code;
@@ -32,4 +34,6 @@ public enum MessageType {
int getCode(){
return this.code;
}
}
src/main/java/seng302/gameServer/server/messages/RegistrationRequestMessage.java
+22
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@@ -0,0 +1,22 @@
package seng302.gameServer.server.messages;
public class RegistrationRequestMessage extends Message {
private static int MESSAGE_LENGTH = 2;
public RegistrationRequestMessage(ClientType type){
setHeader(new Header(MessageType.REGISTRATION_REQUEST, 1, (short) getSize()));
allocateBuffer();
writeHeaderToBuffer();
putInt(type.getCode(), 2);
writeCRC();
}
@Override
public int getSize() {
return MESSAGE_LENGTH;
}
}
src/main/java/seng302/gameServer/server/messages/RegistrationResponseMessage.java
+20
View File
@@ -0,0 +1,20 @@
package seng302.gameServer.server.messages;
public class RegistrationResponseMessage extends Message{
public RegistrationResponseMessage(int clientSourceID, RegistrationResponseStatus status){
setHeader(new Header(MessageType.REGISTRATION_RESPONSE, 1, (short) getSize()));
allocateBuffer();
writeHeaderToBuffer();
putInt(clientSourceID, 4);
putInt(status.getCode(), 1);
writeCRC();
}
@Override
public int getSize() {
return 5;
}
}
src/main/java/seng302/gameServer/server/messages/RegistrationResponseStatus.java
+44
View File
@@ -0,0 +1,44 @@
package seng302.gameServer.server.messages;
public enum RegistrationResponseStatus {
SUCCESS_SPECTATING(0x00),
SUCCESS_PLAYING(0x01),
SUCCESS_TUTORIAL(0x02),
SUCCESS_GHOSTING(0x03),
FAILURE_GENERAL(0x10),
FAILURE_FULL(0x11);
private int code;
RegistrationResponseStatus(int code){
this.code = code;
}
/**
* Get the message code (From the API Spec)
* @return the message code
*/
int getCode(){
return this.code;
}
public static RegistrationResponseStatus getResponseStatus(int typeCode){
switch (typeCode){
case 0x00:
return SUCCESS_SPECTATING;
case 0x01:
return SUCCESS_PLAYING;
case 0x02:
return SUCCESS_TUTORIAL;
case 0x03:
return SUCCESS_GHOSTING;
case 0x10:
return FAILURE_GENERAL;
case 0x11:
return FAILURE_FULL;
default:
return FAILURE_GENERAL;
}
}
}
src/main/java/seng302/gameServer/server/simulator/Simulator.java
-137
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@@ -1,137 +0,0 @@
package seng302.gameServer.server.simulator;
import java.util.List;
import java.util.Observable;
import java.util.concurrent.ThreadLocalRandom;
import seng302.model.mark.Mark;
import seng302.gameServer.server.simulator.parsers.RaceParser;
import seng302.model.GeoPoint;
import seng302.utilities.GeoUtility;
public class Simulator extends Observable implements Runnable {
private List<Corner> course;
private List<Boat> boats;
private long lapse;
private boolean isRaceStarted;
/**
* Creates a simulator instance with given time lapse.
* @param lapse time duration in millisecond.
*/
public Simulator(long lapse) {
RaceParser rp = new RaceParser("/server_config/race.xml");
course = rp.getCourse();
boats = rp.getBoats();
this.lapse = lapse;
isRaceStarted = false;
setLegs();
// set start line's coordinate to boats
Double startLat = course.get(0).getCompoundMark().getSubMark(1).getLat();
Double startLng = course.get(0).getCompoundMark().getSubMark(1).getLng();
for (Boat boat : boats) {
boat.setLat(startLat);
boat.setLng(startLng);
boat.setLastPassedCorner(course.get(0));
boat.setHeadingCorner(course.get(1));
boat.setSpeed(ThreadLocalRandom.current().nextInt(40000, 60000 + 1));
}
}
@Override
public void run() {
int numOfFinishedBoats = 0;
while (numOfFinishedBoats < boats.size()) {
// if race has started, then boat should start to move.
if (isRaceStarted) {
for (Boat boat : boats) {
numOfFinishedBoats += moveBoat(boat, lapse);
}
}
setChanged();
notifyObservers(boats);
try {
Thread.sleep(lapse);
} catch (InterruptedException e) {
System.out.println("[Simulator] interrupted exception ");
}
}
}
/**
* Moves a boat with given time duration.
* @param boat the boat to be moved
* @param duration the moving duration in milliseconds
* @return 1 if the boat has reached the final line, otherwise return 0
*/
private int moveBoat(Boat boat, double duration) {
if (boat.getHeadingCorner() != null) {
boat.move(boat.getLastPassedCorner().getBearingToNextCorner(), duration);
GeoPoint boatPos = new GeoPoint(boat.getLat(), boat.getLng());
GeoPoint lastMarkPos = boat.getLastPassedCorner().getCompoundMark().getSubMark(1);
double distanceFromLastMark = GeoUtility.getDistance(boatPos, lastMarkPos);
// if a boat passes its heading mark
while (distanceFromLastMark >= boat.getLastPassedCorner().getDistanceToNextCorner()) {
double compensateDistance = distanceFromLastMark - boat.getLastPassedCorner().getDistanceToNextCorner();
boat.setLastPassedCorner(boat.getHeadingCorner());
boat.setHeadingCorner(boat.getLastPassedCorner().getNextCorner());
// heading corner == null means boat has reached the final mark
if (boat.getHeadingCorner() == null) {
boat.setFinished(true);
return 1;
}
// move compensate distance for the mark just passed
GeoPoint pos = GeoUtility.getGeoCoordinate(
boat.getLastPassedCorner().getCompoundMark().getSubMark(1),
boat.getLastPassedCorner().getBearingToNextCorner(),
compensateDistance);
boat.setLat(pos.getLat());
boat.setLng(pos.getLng());
distanceFromLastMark = GeoUtility.getDistance(new GeoPoint(boat.getLat(), boat.getLng()),
boat.getLastPassedCorner().getCompoundMark().getSubMark(1));
}
}
return 0;
}
/**
* Link all the corners in the course list so that every corner knows its next
* corner, as well as the distance and bearing to its next corner. However,
* the last corner's heading is null, which means it is the final line.
*/
private void setLegs() {
// get the bearing from one mark to the next heading mark
for (int i = 0; i < course.size() - 1; i++) {
Mark mark1 = course.get(i).getCompoundMark().getSubMark(1);
Mark mark2 = course.get(i + 1).getCompoundMark().getSubMark(1);
course.get(i).setDistanceToNextCorner(GeoUtility.getDistance(mark1, mark2));
course.get(i).setNextCorner(course.get(i + 1));
course.get(i).setBearingToNextCorner(
GeoUtility.getBearing(course.get(i).getCompoundMark().getSubMark(1),
course.get(i + 1).getCompoundMark().getSubMark(1)));
}
}
public List<Boat> getBoats(){
return boats;
}
public void setRaceStarted(boolean raceStarted) {
isRaceStarted = raceStarted;
}
}
src/main/java/seng302/gameServer/server/simulator/parsers/CourseParser.java
+8 -7
View File
@@ -79,18 +79,19 @@ public class CourseParser extends FileParser {
if (node.getNodeType() == Node.ELEMENT_NODE) {
Element e = (Element) node;
Integer markID = Integer.valueOf(e.getAttribute("CompoundMarkID"));
String name = e.getAttribute("Name");
CompoundMark cMark = new CompoundMark(markID, name);
NodeList marks = e.getElementsByTagName("Mark");
for (int i = 0; i < marks.getLength(); i++) {
List<Mark> subMarks = new ArrayList<>();
for (int i = 0; i < marks.getLength(); i++) {
Mark mark = getMark(marks.item(i));
if (mark != null)
cMark.addSubMarks(mark);
if (mark != null) {
subMarks.add(mark);
}
}
return cMark;
}
return new CompoundMark(markID, name, subMarks);
}
System.out.println("Failed to create compound mark.");
return null;
}
src/main/java/seng302/model/Yacht.java
+229 -38
View File
@@ -1,7 +1,5 @@
package seng302.model;
import static seng302.utilities.GeoUtility.getGeoCoordinate;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
@@ -12,8 +10,12 @@ import javafx.beans.property.ReadOnlyDoubleWrapper;
import javafx.beans.property.ReadOnlyLongProperty;
import javafx.beans.property.ReadOnlyLongWrapper;
import javafx.scene.paint.Color;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import seng302.gameServer.GameState;
import seng302.model.mark.CompoundMark;
import seng302.model.mark.Mark;
import seng302.utilities.GeoUtility;
/**
* Yacht class for the racing boat.
@@ -29,6 +31,11 @@ public class Yacht {
void notifyLocation(Yacht yacht, double lat, double lon, double heading, double velocity, boolean sailIn);
}
private Logger logger = LoggerFactory.getLogger(Yacht.class);
private static final Double ROUNDING_DISTANCE = 50d; // TODO: 3/08/17 wmu16 - Look into this value further
//BOTH AFAIK
private String boatType;
private Integer sourceId;
@@ -38,12 +45,11 @@ public class Yacht {
private String country;
private Long estimateTimeAtFinish;
private Long timeTillNext;
private Integer currentMarkSeqID = 0;
private Long markRoundTime;
private CompoundMark nextMark;
private Double distanceToCurrentMark;
private Long timeTillNext;
private Double heading;
private Double lat;
private Double lon;
private Integer legNumber = 0;
//SERVER SIDE
@@ -54,6 +60,13 @@ public class Yacht {
private Integer boatStatus;
private Double velocity;
//MARK ROUNDING INFO
private GeoPoint lastLocation; //For purposes of mark rounding calculations
private Boolean hasEnteredRoundingZone; //The distance that the boat must be from the mark to round
private Boolean hasPassedLine;
private Boolean hasPassedThroughGate;
private Boolean finishedRace;
//CLIENT SIDE
private List<YachtLocationListener> locationListeners = new ArrayList<>();
private ReadOnlyDoubleWrapper velocityProperty = new ReadOnlyDoubleWrapper();
@@ -73,8 +86,14 @@ public class Yacht {
this.boatName = boatName;
this.country = country;
this.location = new GeoPoint(57.670341, 11.826856);
this.lastLocation = location;
this.heading = 120.0; //In degrees
this.velocity = 0d; //in mms-1
this.hasEnteredRoundingZone = false;
this.hasPassedLine = false;
this.hasPassedThroughGate = false;
this.finishedRace = false;
}
/**
@@ -110,10 +129,178 @@ public class Yacht {
}
}
Double metersCovered = velocity * secondsElapsed;
location = getGeoCoordinate(location, heading, metersCovered);
//UPDATE BOAT LOCATION
lastLocation = location;
location = GeoUtility.getGeoCoordinate(location, heading, velocity * secondsElapsed);
//CHECK FOR MARK ROUNDING
if (!finishedRace) {
checkForLegProgression();
}
// TODO: 3/08/17 wmu16 - Implement line cross check here
}
/**
* Calculates the distance to the next mark (closest of the two if a gate mark). For purposes
* of mark rounding
* @return A distance in metres. Returns -1 if there is no next mark
* @throws IndexOutOfBoundsException If the next mark is null (ie the last mark in the race)
* Check first using {@link seng302.model.mark.MarkOrder#isLastMark(Integer)}
*/
public Double calcDistanceToCurrentMark() throws IndexOutOfBoundsException {
CompoundMark nextMark = GameState.getMarkOrder().getCurrentMark(currentMarkSeqID);
if (nextMark.isGate()) {
Mark sub1 = nextMark.getSubMark(1);
Mark sub2 = nextMark.getSubMark(2);
Double distance1 = GeoUtility.getDistance(location, sub1);
Double distance2 = GeoUtility.getDistance(location, sub2);
return (distance1 < distance2) ? distance1 : distance2;
} else {
return GeoUtility.getDistance(location, nextMark.getSubMark(1));
}
}
/**
* 4 Different cases of progression in the race
* 1 - Passing the start line
* 2 - Passing any in-race Gate
* 3 - Passing any in-race Mark
* 4 - Passing the finish line
*/
private void checkForLegProgression() {
CompoundMark currentMark = GameState.getMarkOrder().getCurrentMark(currentMarkSeqID);
if (currentMarkSeqID == 0) {
checkStartLineCrossing(currentMark);
} else if (GameState.getMarkOrder().isLastMark(currentMarkSeqID)) {
checkFinishLineCrossing(currentMark);
} else if (currentMark.isGate()) {
checkGateRounding(currentMark);
} else {
checkMarkRounding(currentMark);
}
}
/**
* If we pass the start line gate in the correct direction, progress
*
* @param currentMark The current gate
*/
private void checkStartLineCrossing(CompoundMark currentMark) {
Mark mark1 = currentMark.getSubMark(1);
Mark mark2 = currentMark.getSubMark(2);
CompoundMark nextMark = GameState.getMarkOrder().getNextMark(currentMarkSeqID);
Integer crossedLine = GeoUtility.checkCrossedLine(mark1, mark2, lastLocation, location);
if (crossedLine > 0) {
Boolean isClockwiseCross = GeoUtility.isClockwise(mark1, mark2, nextMark.getMidPoint());
if (crossedLine == 2 && isClockwiseCross || crossedLine == 1 && !isClockwiseCross) {
currentMarkSeqID++;
logMarkRounding(currentMark);
}
}
}
/**
* This algorithm checks for mark rounding. And increments the currentMarSeqID number attribute
* of the yacht if so.
* A visual representation of this algorithm can be seen on the Wiki under
* 'mark passing algorithm'
*/
private void checkMarkRounding(CompoundMark currentMark) {
distanceToCurrentMark = calcDistanceToCurrentMark();
GeoPoint nextPoint = GameState.getMarkOrder().getNextMark(currentMarkSeqID).getMidPoint();
GeoPoint prevPoint = GameState.getMarkOrder().getPreviousMark(currentMarkSeqID)
.getMidPoint();
GeoPoint midPoint = GeoUtility.getDirtyMidPoint(nextPoint, prevPoint);
//1 TEST FOR ENTERING THE ROUNDING DISTANCE
if (distanceToCurrentMark < ROUNDING_DISTANCE) {
hasEnteredRoundingZone = true;
}
//In case current mark is a gate, loop through all marks just in case
for (Mark thisCurrentMark : currentMark.getMarks()) {
if (GeoUtility.isPointInTriangle(lastLocation, location, midPoint, thisCurrentMark)) {
hasPassedLine = true;
}
}
if (hasPassedLine && hasEnteredRoundingZone) {
currentMarkSeqID++;
hasPassedLine = false;
hasEnteredRoundingZone = false;
hasPassedThroughGate = false;
logMarkRounding(currentMark);
}
}
/**
* Checks if a gate line has been crossed and in the correct direction
*
* @param currentMark The current gate
*/
private void checkGateRounding(CompoundMark currentMark) {
Mark mark1 = currentMark.getSubMark(1);
Mark mark2 = currentMark.getSubMark(2);
CompoundMark prevMark = GameState.getMarkOrder().getPreviousMark(currentMarkSeqID);
CompoundMark nextMark = GameState.getMarkOrder().getNextMark(currentMarkSeqID);
Integer crossedLine = GeoUtility.checkCrossedLine(mark1, mark2, lastLocation, location);
//We have crossed the line
if (crossedLine > 0) {
Boolean isClockwiseCross = GeoUtility.isClockwise(mark1, mark2, prevMark.getMidPoint());
//Check we cross the line in the correct direction
if (crossedLine == 1 && isClockwiseCross || crossedLine == 2 && !isClockwiseCross) {
hasPassedThroughGate = true;
}
}
Boolean prevMarkSide = GeoUtility.isClockwise(mark1, mark2, prevMark.getMidPoint());
Boolean nextMarkSide = GeoUtility.isClockwise(mark1, mark2, nextMark.getMidPoint());
if (hasPassedThroughGate) {
//Check if we need to round this gate after passing through
if (prevMarkSide == nextMarkSide) {
checkMarkRounding(currentMark);
} else {
currentMarkSeqID++;
logMarkRounding(currentMark);
}
}
}
/**
* If we pass the finish gate in the correct direction
*
* @param currentMark The current gate
*/
private void checkFinishLineCrossing(CompoundMark currentMark) {
Mark mark1 = currentMark.getSubMark(1);
Mark mark2 = currentMark.getSubMark(2);
CompoundMark prevMark = GameState.getMarkOrder().getPreviousMark(currentMarkSeqID);
Integer crossedLine = GeoUtility.checkCrossedLine(mark1, mark2, lastLocation, location);
if (crossedLine > 0) {
Boolean isClockwiseCross = GeoUtility.isClockwise(mark1, mark2, prevMark.getMidPoint());
if (crossedLine == 1 && isClockwiseCross || crossedLine == 2 && !isClockwiseCross) {
currentMarkSeqID++;
finishedRace = true;
logMarkRounding(currentMark);
logger.debug(sourceId + " finished");
// TODO: 8/08/17 wmu16 - Do something!
}
}
}
public void adjustHeading(Double amount) {
Double newVal = heading + amount;
lastHeading = heading;
@@ -192,7 +379,6 @@ public class Yacht {
}
private void turnTowardsHeading(Double newHeading) {
System.out.println(newHeading);
if (heading < 90 && newHeading > 270) {
adjustHeading(-TURN_STEP);
} else {
@@ -282,7 +468,6 @@ public class Yacht {
this.velocityProperty.set(velocity);
}
public void setMarkRoundingTime(Long markRoundingTime) {
this.markRoundTime = markRoundingTime;
}
@@ -319,28 +504,21 @@ public class Yacht {
this.lastMarkRounded = lastMarkRounded;
}
public void setNextMark(CompoundMark nextMark) {
this.nextMark = nextMark;
public GeoPoint getLocation() {
return location;
}
public CompoundMark getNextMark(){
return nextMark;
}
public Double getLat() {
return lat;
}
public void setLat(Double lat) {
this.lat = lat;
}
public Double getLon() {
return lon;
}
public void setLon(Double lon) {
this.lon = lon;
/**
* Sets the current location of the boat in lat and long whilst preserving the last location
*
* @param lat Latitude
* @param lng Longitude
*/
public void setLocation(Double lat, Double lng) {
lastLocation.setLat(location.getLat());
lastLocation.setLng(location.getLng());
location.setLat(lat);
location.setLng(lng);
}
public Double getHeading() {
@@ -360,10 +538,6 @@ public class Yacht {
return boatName;
}
public GeoPoint getLocation() {
return location;
}
public void updateTimeSinceLastMarkProperty(long timeSinceLastMark) {
this.timeSinceLastMarkProperty.set(timeSinceLastMark);
}
@@ -397,21 +571,38 @@ public class Yacht {
this.velocity = velocity;
}
public Double getDistanceToCurrentMark() {
return distanceToCurrentMark;
}
public Boolean getClientSailsIn(){
return clientSailsIn;
}
public void updateLocation (double lat, double lon, double heading, double velocity) {
this.lat = lat;
this.lon = lon;
public void updateLocation (double lat, double lng, double heading, double velocity) {
setLocation(lat, lng);
this.heading = heading;
this.velocity = velocity;
updateVelocityProperty(velocity);
for (YachtLocationListener yll : locationListeners) {
yll.notifyLocation(this, lat, lon, heading, velocity, clientSailsIn);
yll.notifyLocation(this, lat, lng, heading, velocity);
}
}
private void logMarkRounding(CompoundMark currentMark) {
String typeString = "mark";
if (currentMark.isGate()) {
typeString = "gate";
}
logger.debug(
String.format("BoatID %d passed %s %s with id %d. Now on leg %d",
sourceId,
typeString,
currentMark.getMarks().get(0).getName(),
currentMark.getId(),
currentMarkSeqID));
}
public void addLocationListener (YachtLocationListener listener) {
locationListeners.add(listener);
}
src/main/java/seng302/model/mark/CompoundMark.java
+31 -11
View File
@@ -1,8 +1,9 @@
package seng302.model.mark;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import seng302.model.GeoPoint;
import seng302.utilities.GeoUtility;
public class CompoundMark {
@@ -10,18 +11,17 @@ public class CompoundMark {
private String name;
private List<Mark> marks = new ArrayList<>();
private GeoPoint midPoint;
public CompoundMark(int markID, String name) {
this.compoundMarkId = markID;
public CompoundMark(int markID, String name, List<Mark> marks) {
this.compoundMarkId = markID;
this.name = name;
}
public void addSubMarks(Mark... marks) {
this.marks.addAll(Arrays.asList(marks));
}
public void addSubMarks(List<Mark> marks) {
this.marks.addAll(marks);
this.marks.addAll(marks);
if (marks.size() > 1) {
this.midPoint = GeoUtility.getDirtyMidPoint(marks.get(0), marks.get(1));
} else {
this.midPoint = marks.get(0);
}
}
/**
@@ -68,6 +68,16 @@ public class CompoundMark {
}
}
/**
* NOTE: This is a 'dirty' mid point as it is simply calculated as an xy point would be.
* NO CHECKING FOR LAT / LNG WRAPPING IS DONE IN CREATION OF THIS MIDPOINT
*
* @return GeoPoint of the midpoint of the two marks, or the one mark if there is only one
*/
public GeoPoint getMidPoint() {
return midPoint;
}
/**
* Returns whether or not this CompoundMark is a Gate. It is generally cleaner to program to a
* specific singleMark or the list of marks.
@@ -86,4 +96,14 @@ public class CompoundMark {
public List<Mark> getMarks () {
return marks;
}
@Override
public int hashCode() {
int hash = 0;
for (Mark mark : marks) {
hash += Double.hashCode(mark.getSourceID()) + Double.hashCode(mark.getLat())
+ Double.hashCode(mark.getLng()) + mark.getName().hashCode();
}
return hash + getName().hashCode() + Integer.hashCode(getId());
}
}
src/main/java/seng302/model/mark/MarkOrder.java
+133
View File
@@ -0,0 +1,133 @@
package seng302.model.mark;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import seng302.model.stream.xml.generator.Race;
import seng302.model.stream.xml.parser.RaceXMLData;
import seng302.utilities.XMLGenerator;
import seng302.utilities.XMLParser;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import java.io.IOException;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
/**
* Class to hold the order of the marks in the race.
*/
public class MarkOrder {
private List<CompoundMark> raceMarkOrder;
private Logger logger = LoggerFactory.getLogger(MarkOrder.class);
public MarkOrder(){
loadRaceProperties();
}
/**
* @return An ordered list of marks in the race
* OR null if the mark order could not be loaded
*/
public List<CompoundMark> getMarkOrder(){
if (raceMarkOrder == null){
logger.warn("Race order accessed but not instantiated");
return null;
}
return Collections.unmodifiableList(raceMarkOrder);
}
/**
* @param seqID The seqID of the current mark the boat is heading to
* @return A Boolean indicating if this coming mark is the last one (finish line)
*/
public Boolean isLastMark(Integer seqID) {
return seqID == raceMarkOrder.size() - 1;
}
/**
* @param currentSeqID The seqID of the current mark the boat is heading to
* @return The mark last passed
* @throws IndexOutOfBoundsException if there is no next mark.
* Check seqID != 0 first
*/
public CompoundMark getPreviousMark(Integer currentSeqID) throws IndexOutOfBoundsException{
return raceMarkOrder.get(currentSeqID - 1);
}
public CompoundMark getCurrentMark(Integer currentSeqID) {
return raceMarkOrder.get(currentSeqID);
}
/**
* @param currentSeqID The seqID of the current mark the boat is heading to
* @return The mark following the mark that the boat is heading to
* @throws IndexOutOfBoundsException if there is no next mark.
* Check using {@link #isLastMark(Integer)}
*/
public CompoundMark getNextMark(Integer currentSeqID) throws IndexOutOfBoundsException{
return raceMarkOrder.get(currentSeqID + 1);
}
/**
* Loads the race order from an XML string
* @param xml An AC35 RaceXML
* @return An ordered list of marks in the race
*/
private List<CompoundMark> loadRaceOrderFromXML(String xml){
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db;
Document doc;
try {
db = dbf.newDocumentBuilder();
doc = db.parse(new InputSource(new StringReader(xml)));
} catch (ParserConfigurationException | IOException | SAXException e) {
logger.error("Failed to read generated race XML");
return null;
}
RaceXMLData data = XMLParser.parseRace(doc);
if (data != null){
logger.debug("Loaded RaceXML for mark order");
List<Corner> corners = data.getMarkSequence();
Map<Integer, CompoundMark> marks = data.getCompoundMarks();
List<CompoundMark> course = new ArrayList<>();
for (Corner corner : corners){
CompoundMark compoundMark = marks.get(corner.getCompoundMarkID());
course.add(compoundMark);
}
return course;
}
return null;
}
/**
* Load the raceXML and mark order
*/
private void loadRaceProperties(){
XMLGenerator generator = new XMLGenerator();
generator.setRace(new Race());
String raceXML = generator.getRaceAsXml();
if (raceXML == null){
logger.error("Failed to generate raceXML (for race properties)");
return;
}
raceMarkOrder = loadRaceOrderFromXML(raceXML);
}
}
src/main/java/seng302/model/stream/packets/PacketType.java
+7 -1
View File
@@ -19,7 +19,9 @@ public enum PacketType {
COURSE_WIND,
AVG_WIND,
BOAT_ACTION,
OTHER;
OTHER,
RACE_REGISTRATION_REQUEST,
RACE_REGISTRATION_RESPONSE;
public static PacketType assignPacketType(int packetType, byte[] payload){
switch(packetType){
@@ -56,6 +58,10 @@ public enum PacketType {
return AVG_WIND;
case 100:
return BOAT_ACTION;
case 101:
return RACE_REGISTRATION_REQUEST;
case 102:
return RACE_REGISTRATION_RESPONSE;
default:
}
return OTHER;
src/main/java/seng302/utilities/GeoUtility.java
+218 -130
View File
@@ -5,145 +5,233 @@ import seng302.model.GeoPoint;
public class GeoUtility {
private static double EARTH_RADIUS = 6378.137;
private static double EARTH_RADIUS = 6378.137;
/**
* Calculates the euclidean distance between two markers on the canvas using xy coordinates
*
* @param p1 first geographical position
* @param p2 second geographical position
* @return the distance in meter between two points in meters
*/
public static Double getDistance(GeoPoint p1, GeoPoint p2) {
/**
* Calculates the euclidean distance between two markers on the canvas using xy coordinates
*
* @param p1 first geographical position
* @param p2 second geographical position
* @return the distance in meter between two points in meters
*/
public static Double getDistance(GeoPoint p1, GeoPoint p2) {
double dLat = Math.toRadians(p2.getLat() - p1.getLat());
double dLon = Math.toRadians(p2.getLng() - p1.getLng());
double dLat = Math.toRadians(p2.getLat() - p1.getLat());
double dLon = Math.toRadians(p2.getLng() - p1.getLng());
double a = Math.pow(Math.sin(dLat / 2), 2.0)
+ Math.cos(Math.toRadians(p1.getLat())) * Math.cos(Math.toRadians(p2.getLat()))
* Math.pow(Math.sin(dLon / 2), 2.0);
double a = Math.pow(Math.sin(dLat / 2), 2.0)
+ Math.cos(Math.toRadians(p1.getLat())) * Math.cos(Math.toRadians(p2.getLat()))
* Math.pow(Math.sin(dLon / 2), 2.0);
double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
double d = EARTH_RADIUS * c;
double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
double d = EARTH_RADIUS * c;
return d * 1000; // distance from km to meter
}
return d * 1000; // distance from km to meter
}
/**
* Calculates the angle between to angular co-ordinates on a sphere.
*
* @param p1 the first geographical position, start point
* @param p2 the second geographical position, end point
* @return the initial bearing in degree from p1 to p2, value range (0 ~ 360 deg.).
* vertical up is 0 deg. horizontal right is 90 deg.
*
* NOTE:
* The final bearing will differ from the initial bearing by varying degrees
* according to distance and latitude (if you were to go from say 35°N,45°E
* (≈ Baghdad) to 35°N,135°E (≈ Osaka), you would start on a heading of 60°
* and end up on a heading of 120°
*/
public static Double getBearing(GeoPoint p1, GeoPoint p2) {
return (Math.toDegrees(getBearingRad(p1, p2)) + 360.0) % 360.0;
}
/**
* Calculates the angle between to angular co-ordinates on a sphere in radians.
*
* @param p1 the first geographical position, start point
* @param p2 the second geographical position, end point
* @return the initial bearing in degree from p1 to p2, value range (0 ~ 360 deg.).
* vertical up is 0 deg. horizontal right is 90 deg.
*
* NOTE:
* The final bearing will differ from the initial bearing by varying degrees
* according to distance and latitude (if you were to go from say 35°N,45°E
* (≈ Baghdad) to 35°N,135°E (≈ Osaka), you would start on a heading of 60°
* and end up on a heading of 120°
*/
public static Double getBearingRad(GeoPoint p1, GeoPoint p2) {
double dLon = Math.toRadians(p2.getLng() - p1.getLng());
double y = Math.sin(dLon) * Math.cos(Math.toRadians(p2.getLat()));
double x = Math.cos(Math.toRadians(p1.getLat())) * Math.sin(Math.toRadians(p2.getLat()))
- Math.sin(Math.toRadians(p1.getLat())) * Math.cos(Math.toRadians(p2.getLat())) * Math.cos(dLon);
return Math.atan2(y, x);
}
/**
* Given an existing point in lat/lng, distance in (in meter) and bearing
* (in degrees), calculates the new lat/lng.
*
* @param origin the original position within lat / lng
* @param bearing the bearing in degree, from original position to the new position
* @param distance the distance in meter, from original position to the new position
* @return the new position
*/
public static GeoPoint getGeoCoordinate(GeoPoint origin, Double bearing, Double distance) {
double b = Math.toRadians(bearing); // bearing to radians
double d = distance / 1000.0; // distance to km
double originLat = Math.toRadians(origin.getLat());
double originLng = Math.toRadians(origin.getLng());
double endLat = Math.asin(Math.sin(originLat) * Math.cos(d / EARTH_RADIUS)
+ Math.cos(originLat) * Math.sin(d / EARTH_RADIUS) * Math.cos(b));
double endLng = originLng
+ Math.atan2(Math.sin(b) * Math.sin(d / EARTH_RADIUS) * Math.cos(originLat),
Math.cos(d / EARTH_RADIUS) - Math.sin(originLat) * Math.sin(endLat));
return new GeoPoint(Math.toDegrees(endLat), Math.toDegrees(endLng));
}
/**
* Performs the line function on two points of a line and a test point to test which side of the line that point is
* on. If the return value is
* return 1, then the point is on one side of the line,
* return -1 then the point is on the other side of the line
* return 0 then the point is exactly on the line.
* @param linePoint1 One point of the line
* @param linePoint2 Second point of the line
* @param testPoint The point to test with this line
* @return A return value indicating which side of the line the point is on
*/
public static Integer lineFunction(Point2D linePoint1, Point2D linePoint2, Point2D testPoint) {
Double x = testPoint.getX();
Double y = testPoint.getY();
Double x1 = linePoint1.getX();
Double y1 = linePoint1.getY();
Double x2 = linePoint2.getX();
Double y2 = linePoint2.getY();
Double result = (x - x1)*(y2 - y1) - (y - y1)*(x2 - x1); //Line function
if (result > 0) {
return 1;
}
else if (result < 0) {
return -1;
}
else {
return 0;
}
}
/**
* Calculates the angle between to angular co-ordinates on a sphere.
*
* @param p1 the first geographical position, start point
* @param p2 the second geographical position, end point
* @return the initial bearing in degree from p1 to p2, value range (0 ~ 360 deg.). vertical up
* is 0 deg. horizontal right is 90 deg.
*
* NOTE: The final bearing will differ from the initial bearing by varying degrees according to
* distance and latitude (if you were to go from say 35°N,45°E (≈ Baghdad) to 35°N,135°E (≈
* Osaka), you would start on a heading of 60° and end up on a heading of 120°
*/
public static Double getBearing(GeoPoint p1, GeoPoint p2) {
return (Math.toDegrees(getBearingRad(p1, p2)) + 360.0) % 360.0;
}
/**
* Given a point and a vector (angle and vector length) Will create a new point, that vector away from the origin
* point
* @param originPoint The point with which to use as the base for our vector addition
* @param angleInDeg (DEGREES) The angle at which our new point is being created (in degrees!)
* @param vectorLength The length out on this angle from the origin point to create the new point
* @return a Point2D
*/
public static Point2D makeArbitraryVectorPoint(Point2D originPoint, Double angleInDeg, Double vectorLength) {
/**
* WARNING: this function DOES NOT account for wrapping around on lats / longs etc.
* SO BE CAREFUL IN USING THIS FUNCTION
*
* @param p1 GeoPoint 1
* @param p2 GeoPoint 2
* @return GeoPoint midPoint
*/
public static GeoPoint getDirtyMidPoint(GeoPoint p1, GeoPoint p2) {
return new GeoPoint((p1.getLat() + p2.getLat()) / 2, (p1.getLng() + p2.getLng()) / 2);
}
Double endPointX = originPoint.getX() + vectorLength * Math.cos(Math.toRadians(angleInDeg));
Double endPointY = originPoint.getY() + vectorLength * Math.sin(Math.toRadians(angleInDeg));
/**
* Calculates the angle between to angular co-ordinates on a sphere in radians.
*
* @param p1 the first geographical position, start point
* @param p2 the second geographical position, end point
* @return the initial bearing in degree from p1 to p2, value range (0 ~ 360 deg.). vertical up
* is 0 deg. horizontal right is 90 deg.
*
* NOTE: The final bearing will differ from the initial bearing by varying degrees according to
* distance and latitude (if you were to go from say 35°N,45°E (≈ Baghdad) to 35°N,135°E (≈
* Osaka), you would start on a heading of 60° and end up on a heading of 120°
*/
public static Double getBearingRad(GeoPoint p1, GeoPoint p2) {
double dLon = Math.toRadians(p2.getLng() - p1.getLng());
return new Point2D(endPointX, endPointY);
double y = Math.sin(dLon) * Math.cos(Math.toRadians(p2.getLat()));
double x = Math.cos(Math.toRadians(p1.getLat())) * Math.sin(Math.toRadians(p2.getLat()))
- Math.sin(Math.toRadians(p1.getLat())) * Math.cos(Math.toRadians(p2.getLat())) * Math
.cos(dLon);
}
return Math.atan2(y, x);
}
/**
* Given an existing point in lat/lng, distance in (in meter) and bearing (in degrees),
* calculates the new lat/lng.
*
* @param origin the original position within lat / lng
* @param bearing the bearing in degree, from original position to the new position
* @param distance the distance in meter, from original position to the new position
* @return the new position
*/
public static GeoPoint getGeoCoordinate(GeoPoint origin, Double bearing, Double distance) {
double b = Math.toRadians(bearing); // bearing to radians
double d = distance / 1000.0; // distance to km
double originLat = Math.toRadians(origin.getLat());
double originLng = Math.toRadians(origin.getLng());
double endLat = Math.asin(Math.sin(originLat) * Math.cos(d / EARTH_RADIUS)
+ Math.cos(originLat) * Math.sin(d / EARTH_RADIUS) * Math.cos(b));
double endLng = originLng
+ Math.atan2(Math.sin(b) * Math.sin(d / EARTH_RADIUS) * Math.cos(originLat),
Math.cos(d / EARTH_RADIUS) - Math.sin(originLat) * Math.sin(endLat));
return new GeoPoint(Math.toDegrees(endLat), Math.toDegrees(endLng));
}
/**
* Performs the line function on two points of a line and a test point to test which side of the
* line that point is on. If the return value is return 1, then the point is on one side of the
* line, return -1 then the point is on the other side of the line return 0 then the point is
* exactly on the line.
*
* @param linePoint1 One point of the line
* @param linePoint2 Second point of the line
* @param testPoint The point to test with this line
* @return A return value indicating which side of the line the point is on
*/
public static Integer lineFunction(Point2D linePoint1, Point2D linePoint2, Point2D testPoint) {
Double x = testPoint.getX();
Double y = testPoint.getY();
Double x1 = linePoint1.getX();
Double y1 = linePoint1.getY();
Double x2 = linePoint2.getX();
Double y2 = linePoint2.getY();
Double result = (x - x1) * (y2 - y1) - (y - y1) * (x2 - x1); //Line function
if (result > 0) {
return 1;
} else if (result < 0) {
return -1;
} else {
return 0;
}
}
/**
* Checks if the line formed by lastLocation and location doesn't intersect the line segment
* formed by mark1 and mark2 See the wiki Mark Rounding algorithm for more info
*
* @param mark1 One mark of the line
* @param mark2 The second mark of the line
* @param lastLocation The last location of the point crossing this line
* @param location The current location of the point crossing this line
* @return 0 if two line segment doesn't intersect, otherwise 1 if they intersect and
* lastLocation is on RHS of the line segment (mark1 to mark2) or 2 if lastLocation on LHS of
* the line segment (mark1 to mark2)
*/
public static Integer checkCrossedLine(GeoPoint mark1, GeoPoint mark2, GeoPoint lastLocation,
GeoPoint location) {
boolean enteredDirection = isClockwise(mark1, mark2, lastLocation);
boolean exitedDirection = isClockwise(mark1, mark2, location);
if (enteredDirection != exitedDirection) {
if (!isPointInTriangle(mark1, lastLocation, location, mark2)
&& !isPointInTriangle(mark2, lastLocation, location, mark1)) {
return enteredDirection ? 1 : 2;
}
}
return 0;
}
/**
* Given a point and a vector (angle and vector length) Will create a new point, that vector
* away from the origin point
*
* @param originPoint The point with which to use as the base for our vector addition
* @param angleInDeg (DEGREES) The angle at which our new point is being created (in degrees!)
* @param vectorLength The length out on this angle from the origin point to create the new
* point
* @return a Point2D
*/
public static Point2D makeArbitraryVectorPoint(Point2D originPoint, Double angleInDeg,
Double vectorLength) {
Double endPointX = originPoint.getX() + vectorLength * Math.cos(Math.toRadians(angleInDeg));
Double endPointY = originPoint.getY() + vectorLength * Math.sin(Math.toRadians(angleInDeg));
return new Point2D(endPointX, endPointY);
}
/**
* Define vector v1 = p1 - p0 to v2 = p2- p0. This function returns the difference of bearing
* from v1 to v2. For example, if bearing of v1 is 30 deg and bearing of v2 is 90 deg, then the
* difference is 60 deg.
*
* @param bearing1 the bearing of v1
* @param bearing2 the bearing of v2
* @return the difference of bearing from v1 to v2
*/
private static Double getBearingDiff(double bearing1, double bearing2) {
return ((360 - bearing1) + bearing2) % 360;
}
/**
* Check if a geo point ins on the right hand side of the line segment, which
* formed by two geo points v1 to v2. (Algorithm: point is clockwise to the
* line if the bearing difference is less than 180 deg.)
*
* @param v1 one end of the line segment
* @param v2 another end of the line segment
* @param point the point to be tested
* @return true if the point is on the RHS of the line
*/
public static Boolean isClockwise(GeoPoint v1, GeoPoint v2, GeoPoint point) {
return getBearingDiff(getBearing(v1, v2), getBearing(v1, point)) < 180;
}
/**
* Given three geo points to form a triangle, the method returns true if the fourth point is
* inside the triangle
*
* @param v1 the vertex of the triangle
* @param v2 the vertex of the triangle
* @param v3 the vertex of the triangle
* @param point the point to be tested
* @return true if the fourth point is inside the triangle
*/
public static Boolean isPointInTriangle(GeoPoint v1, GeoPoint v2, GeoPoint v3, GeoPoint point) {
// true, if diff of bearing from (v1 to v2) to (v1 to p) is less than 180 deg
boolean isCW = isClockwise(v1, v2, point);
if (isClockwise(v2, v3, point) != isCW) {
return false;
}
if (isClockwise(v3, v1, point) != isCW) {
return false;
}
return true;
}
}
src/main/java/seng302/utilities/XMLParser.java
+2 -2
View File
@@ -256,9 +256,9 @@ public class XMLParser {
if (cMarkNode.getNodeName().equals("CompoundMark")) {
cMark = new CompoundMark(
XMLParser.getNodeAttributeInt(cMarkNode, "CompoundMarkID"),
XMLParser.getNodeAttributeString(cMarkNode, "Name")
XMLParser.getNodeAttributeString(cMarkNode, "Name"),
createMarks(cMarkNode)
);
cMark.addSubMarks(createMarks(cMarkNode));
allMarks.add(cMark);
}
}
src/main/java/seng302/visualiser/ClientToServerThread.java
+63 -35
View File
@@ -7,6 +7,7 @@ import java.io.OutputStream;
import java.net.Socket;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Queue;
import java.util.concurrent.ConcurrentLinkedQueue;
@@ -15,9 +16,12 @@ import java.util.zip.Checksum;
import javafx.application.Platform;
import javafx.scene.control.Alert;
import javafx.scene.control.Alert.AlertType;
import javafx.scene.control.ButtonType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import seng302.gameServer.server.messages.*;
import seng302.model.stream.packets.PacketType;
import seng302.model.stream.packets.StreamPacket;
import seng302.gameServer.server.messages.BoatActionMessage;
import seng302.gameServer.server.messages.Message;
/**
* A class describing a single connection to a Server for the purposes of sending and receiving on
@@ -50,8 +54,9 @@ public class ClientToServerThread implements Runnable {
private Socket socket;
private InputStream is;
private OutputStream os;
private Logger logger = LoggerFactory.getLogger(ClientToServerThread.class);
private int clientId;
private int clientId = -1;
// private Boolean updateClient = true;
private ByteArrayOutputStream crcBuffer;
@@ -73,15 +78,8 @@ public class ClientToServerThread implements Runnable {
socket = new Socket(ipAddress, portNumber);
is = socket.getInputStream();
os = socket.getOutputStream();
Integer allocatedID = threeWayHandshake();
if (allocatedID != null) {
clientId = allocatedID;
clientLog("Successful handshake. Allocated ID: " + clientId, 1);
} else {
clientLog("Unsuccessful handshake", 1);
closeSocket();
return;
}
sendRegistrationRequest();
thread = new Thread(this);
thread.start();
@@ -130,9 +128,15 @@ public class ClientToServerThread implements Runnable {
if (streamPackets.size() > 0) {
streamPackets.add(new StreamPacket(type, payloadLength, timeStamp, payload));
} else {
streamPackets.add(new StreamPacket(type, payloadLength, timeStamp, payload));
for (ClientSocketListener csl : listeners)
csl.newPacket();
if (PacketType.RACE_REGISTRATION_RESPONSE == PacketType.assignPacketType(type, payload)){
processRegistrationResponse(new StreamPacket(type, payloadLength, timeStamp, payload));
}
else {
if (clientId == -1) continue; // Do not continue if not registered
streamPackets.add(new StreamPacket(type, payloadLength, timeStamp, payload));
for (ClientSocketListener csl : listeners)
csl.newPacket();
}
}
} else {
clientLog("Packet has been dropped", 1);
@@ -157,36 +161,60 @@ public class ClientToServerThread implements Runnable {
/**
* Listens for an allocated sourceID and returns it to the server
*
* @return the sourceID allocated to us by the server
* Sends a request to the server asking for a source ID
*/
private Integer threeWayHandshake() {
Integer ourSourceID = null;
while (true) {
try {
ourSourceID = is.read();
} catch (IOException e) {
clientLog("Three way handshake failed", 1);
}
if (ourSourceID != null) {
try {
os.write(ourSourceID);
return ourSourceID;
} catch (IOException e) {
clientLog("Three way handshake failed", 1);
return null;
}
}
private void sendRegistrationRequest() {
RegistrationRequestMessage requestMessage = new RegistrationRequestMessage(ClientType.PLAYER);
try {
os.write(requestMessage.getBuffer());
} catch (IOException e) {
logger.error("Could not send registration request. Exiting");
System.exit(1);
}
}
/**
* Accepts a response to the registration request message, and updates the client OR quits
* @param packet The registration requests packet
*/
private void processRegistrationResponse(StreamPacket packet){
int sourceId = (int) Message.bytesToLong(Arrays.copyOfRange(packet.getPayload(), 0, 3));
int statusCode = (int) Message.bytesToLong(Arrays.copyOfRange(packet.getPayload(), 4,5));
RegistrationResponseStatus status = RegistrationResponseStatus.getResponseStatus(statusCode);
if (status.equals(RegistrationResponseStatus.SUCCESS_PLAYING)){
clientId = sourceId;
return;
}
logger.error("Server Denied Connection, Exiting");
final String alertErrorText;
if (status.equals(RegistrationResponseStatus.FAILURE_FULL)){
alertErrorText = "Server is full";
}
else{
alertErrorText = "Could not connect to server";
}
Platform.runLater(() -> {
new Alert(AlertType.ERROR, alertErrorText, ButtonType.OK).showAndWait();
System.exit(1);
});
}
/**
* Send the post-start race course information
* @param boatActionMessage The message to send
*/
public void sendBoatActionMessage(BoatActionMessage boatActionMessage) {
if (clientId == -1) return;
try {
os.write(boatActionMessage.getBuffer());
} catch (IOException e) {
src/main/java/seng302/visualiser/GameClient.java
+1 -1
View File
@@ -62,6 +62,7 @@ public class GameClient {
ioe.printStackTrace();
System.out.println("Unable to connect to host...");
}
socketThread.addStreamObserver(this::parsePackets);
LobbyController lobbyController = loadLobby();
lobbyController.setPlayerListSource(clientLobbyList);
@@ -174,7 +175,6 @@ public class GameClient {
break;
case BOAT_XML:
System.out.println("GOT SUM BOATS YAY :)");
allBoatsMap = XMLParser.parseBoats(
StreamParser.extractXmlMessage(packet)
);
src/main/java/seng302/visualiser/controllers/RaceViewController.java
+1 -1
View File
@@ -312,7 +312,7 @@ public class RaceViewController extends Thread implements ImportantAnnotationDel
updateRaceTime();
updateWindDirection();
updateOrder();
updateSparkLine();
// updateSparkLine();
}
}, 0, 1000);
}