mirror of
https://github.com/michaelrausch/Party-Parrots-At-Sea.git
synced 2026-05-09 14:28:43 +00:00
William Muir
1073 lines
39 KiB
Java
1073 lines
39 KiB
Java
package seng302.gameServer;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Random;
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import java.util.Set;
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import java.util.Timer;
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import java.util.TimerTask;
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import javafx.scene.paint.Color;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.w3c.dom.Document;
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import org.xml.sax.InputSource;
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import seng302.gameServer.messages.BoatAction;
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import seng302.gameServer.messages.BoatStatus;
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import seng302.gameServer.messages.ChatterMessage;
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import seng302.gameServer.messages.CustomizeRequestType;
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import seng302.gameServer.messages.MarkRoundingMessage;
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import seng302.gameServer.messages.MarkType;
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import seng302.gameServer.messages.Message;
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import seng302.gameServer.messages.RoundingBoatStatus;
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import seng302.gameServer.messages.YachtEventCodeMessage;
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import seng302.gameServer.messages.YachtEventType;
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import seng302.model.GeoPoint;
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import seng302.model.Limit;
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import seng302.model.Player;
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import seng302.model.PolarTable;
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import seng302.model.ServerYacht;
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import seng302.model.mark.CompoundMark;
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import seng302.model.mark.Mark;
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import seng302.model.mark.MarkOrder;
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import seng302.model.token.Token;
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import seng302.model.token.TokenType;
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import seng302.utilities.GeoUtility;
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import seng302.utilities.XMLParser;
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import seng302.visualiser.fxObjects.assets_3D.BoatMeshType;
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/**
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* A Static class to hold information about the current state of the game (model)
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* Also contains logic for updating itself on regular time intervals on its own thread
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* Created by wmu16 on 10/07/17.
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*/
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public class GameState implements Runnable {
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@FunctionalInterface
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interface NewMessageListener {
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void notify(Message message);
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}
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private static Logger logger = LoggerFactory.getLogger(GameState.class);
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private static final Integer STATE_UPDATES_PER_SECOND = 60;
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//Scheduling constants
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static final int WARNING_TIME = 10 * -1000;
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static final int PREPATORY_TIME = 5 * -1000;
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private static final int TIME_TILL_START = 10 * 1000;
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//Wind Constants
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private static final int MAX_WIND_SPEED = 12000;
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private static final int MIN_WIND_SPEED = 8000;
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//Rounding Constants
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private static final Double ROUNDING_DISTANCE = 50d; // TODO: 14/08/17 wmu16 - Look into this value further
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//Collision constants
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private static final Double MARK_COLLISION_DISTANCE = 15d;
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public static final Double YACHT_COLLISION_DISTANCE = 25.0;
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private static final Double BOUNCE_DISTANCE_MARK = 20.0;
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public static final Double BOUNCE_DISTANCE_YACHT = 30.0;
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private static final Double COLLISION_VELOCITY_PENALTY = 0.3;
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//Powerup Constants
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private static final Integer VELOCITY_BOOST_MULTIPLIER = 2;
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private static final Integer HANDLING_BOOST_MULTIPLIER = 2;
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public static final Long BUMPER_DISABLE_TIME = 5_000L;
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private static final Long TOKEN_SPAWN_TIME = 15_000L;
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private static Long previousUpdateTime;
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public static Double windDirection;
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private static Double windSpeed;
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private static Double serverSpeedMultiplier;
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private static Boolean customizationFlag; // dirty flag to tell if a player has customized their boat.
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private static Boolean playerHasLeftFlag;
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private static String hostIpAddress;
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private static List<Player> players;
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private static Map<Integer, ServerYacht> yachts;
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private static Boolean isRaceStarted;
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private static GameStages currentStage;
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private static MarkOrder markOrder;
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private static long startTime;
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private static Set<Mark> marks;
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private static List<Limit> courseLimit;
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private static Integer maxPlayers = 8;
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private static List<Token> allTokens;
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private static List<Token> tokensInPlay;
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private static List<NewMessageListener> newMessageListeners;
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private static Map<Player, String> playerStringMap = new HashMap<>();
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public GameState(String hostIpAddress) {
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windDirection = 180d;
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windSpeed = 10000d;
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yachts = new HashMap<>();
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tokensInPlay = new ArrayList<>();
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players = new ArrayList<>();
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GameState.hostIpAddress = hostIpAddress;
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customizationFlag = false;
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playerHasLeftFlag = false;
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serverSpeedMultiplier = 1.0;
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currentStage = GameStages.LOBBYING;
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isRaceStarted = false;
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previousUpdateTime = System.currentTimeMillis();
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markOrder = new MarkOrder(); //This could be instantiated at some point with a select map?
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newMessageListeners = new ArrayList<>();
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allTokens = makeTokens();
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resetStartTime();
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new Thread(this, "GameState").start(); //Run the auto updates on the game state
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marks = new MarkOrder().getAllMarks();
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setCourseLimit("/server_config/race.xml");
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}
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private void setCourseLimit(String url) {
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DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
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documentBuilderFactory.setNamespaceAware(true);
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DocumentBuilder documentBuilder;
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Document document = null;
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try {
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documentBuilder = documentBuilderFactory.newDocumentBuilder();
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document = documentBuilder.parse(new InputSource(getClass().getResourceAsStream(url)));
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} catch (Exception e) {
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// sorry, we have to catch general one, otherwise we have to catch five different exceptions.
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logger.trace("Failed to load course limit for boundary collision detection.", e);
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}
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courseLimit = XMLParser.parseRace(document).getCourseLimit();
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}
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/**
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* Make a pre defined set of tokensInPlay. //TODO wmu16 - Should read from some file for each
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* race ideally
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*
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* @return A list of possible tokensInPlay for this race
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*/
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private ArrayList<Token> makeTokens() {
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Token token1 = new Token(TokenType.BOOST, 57.66946, 11.83154);
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Token token2 = new Token(TokenType.BOOST, 57.66877, 11.83382);
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Token token3 = new Token(TokenType.BOOST, 57.66914, 11.83965);
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Token token4 = new Token(TokenType.BOOST, 57.66684, 11.83214);
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return new ArrayList<>(Arrays.asList(token1, token2, token3, token4));
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}
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public static String getHostIpAddress() {
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return hostIpAddress;
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}
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public static Set<Mark> getMarks() {
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return Collections.unmodifiableSet(marks);
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}
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public static List<Player> getPlayers() {
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return players;
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}
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public static List<Token> getTokensInPlay() {
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return tokensInPlay;
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}
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public static void addPlayer(Player player) {
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players.add(player);
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String playerText = player.getYacht().getSourceId() + " " + player.getYacht().getBoatName()
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+ " " + player.getYacht().getCountry();
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playerStringMap.put(player, playerText);
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}
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public static void removePlayer(Player player) {
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players.remove(player);
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playerStringMap.remove(player);
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}
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public static void addYacht(Integer sourceId, ServerYacht yacht) {
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yachts.put(sourceId, yacht);
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}
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public static void removeYacht(Integer yachtId) {
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yachts.remove(yachtId);
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}
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public static Boolean getIsRaceStarted() {
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return isRaceStarted;
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}
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public static GameStages getCurrentStage() {
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return currentStage;
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}
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public static void setCurrentStage(GameStages currentStage) {
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GameState.currentStage = currentStage;
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}
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public static MarkOrder getMarkOrder() {
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return markOrder;
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}
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public static long getStartTime() {
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return startTime;
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}
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public static void resetStartTime(){
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startTime = System.currentTimeMillis() + TIME_TILL_START;
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}
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public static Double getWindDirection() {
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return windDirection;
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}
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public static void setWindDirection(Double newWindDirection) {
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windDirection = newWindDirection;
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}
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public static void setWindSpeed(Double newWindSpeed) {
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windSpeed = newWindSpeed;
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}
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public static Double getWindSpeedMMS() {
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return windSpeed;
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}
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public static Double getWindSpeedKnots() {
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return GeoUtility.mmsToKnots(windSpeed); // TODO: 26/07/17 cir27 - remove magic numbers
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}
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public static Map<Integer, ServerYacht> getYachts() {
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return yachts;
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}
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/**
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* Generates a new ID based off the size of current players + 1
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*
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* @return a playerID to be allocated to a new connetion
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*/
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public static Integer getUniquePlayerID() {
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// TODO: 22/07/17 wmu16 - This may not be robust enough and may have to be improved on.
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return yachts.size() + 1;
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}
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/**
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* A thread to have the game state update itself at certain intervals
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*/
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@Override
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public void run() {
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while (currentStage != GameStages.FINISHED) {
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try {
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Thread.sleep(1000 / STATE_UPDATES_PER_SECOND);
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} catch (InterruptedException e) {
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System.out.println("[GameState] interrupted exception");
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}
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if (currentStage == GameStages.PRE_RACE) {
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update();
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if (System.currentTimeMillis() > startTime) {
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startSpawningTokens();
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startUpdatingWind();
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GameState.setCurrentStage(GameStages.RACING);
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}
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}
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if (currentStage == GameStages.RACING) {
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update();
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}
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}
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}
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/**
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* Start spawning coins every 60s after the first minute
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*/
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private void startSpawningTokens() {
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Timer timer = new Timer("Token Spawning Timer");
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timer.schedule(new TimerTask() {
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@Override
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public void run() {
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spawnNewToken();
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notifyMessageListeners(MessageFactory.getRaceXML());
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}
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}, 0, TOKEN_SPAWN_TIME);
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}
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// TODO: 29/08/17 wmu16 - This sort of update should be in game state
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private static void startUpdatingWind() {
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Timer timer = new Timer("Wind Updating Timer");
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timer.schedule(new TimerTask() {
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@Override
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public void run() {
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updateWind();
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}
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}, 0, 500);
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}
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private static void updateWind() {
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Integer direction = GameState.getWindDirection().intValue();
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Integer windSpeed = GameState.getWindSpeedMMS().intValue();
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Random random = new Random();
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if (Math.floorMod(random.nextInt(), 2) == 0) {
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direction += random.nextInt(4);
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windSpeed += random.nextInt(20) + 459;
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} else {
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direction -= random.nextInt(4);
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windSpeed -= random.nextInt(20) + 459;
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}
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direction = Math.floorMod(direction, 360);
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if (windSpeed > MAX_WIND_SPEED) {
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windSpeed -= random.nextInt(500);
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}
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if (windSpeed <= MIN_WIND_SPEED) {
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windSpeed += random.nextInt(500);
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}
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GameState.setWindSpeed(Double.valueOf(windSpeed));
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GameState.setWindDirection(direction.doubleValue());
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}
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public static void updateBoat(Integer sourceId, BoatAction actionType) {
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ServerYacht playerYacht = yachts.get(sourceId);
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switch (actionType) {
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case VMG:
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playerYacht.turnToVMG();
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break;
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case SAILS_IN:
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playerYacht.toggleSailIn();
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break;
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case SAILS_OUT:
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playerYacht.toggleSailIn();
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break;
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case TACK_GYBE:
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playerYacht.tackGybe(windDirection);
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break;
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case UPWIND:
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playerYacht.turnUpwind();
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break;
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case DOWNWIND:
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playerYacht.turnDownwind();
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break;
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case CONTINUOUSLY_TURNING:
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playerYacht.setContinuouslyTurning(true);
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break;
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case DEFAULT_TURNING:
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playerYacht.setContinuouslyTurning(false);
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break;
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}
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}
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/**
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* Randomly select a subset of tokensInPlay from a pre defined superset
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* Broadasts a new race status message to show this update
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*/
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private void spawnNewToken() {
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Random random = new Random();
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tokensInPlay.clear();
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//Get a random token location with random type
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Token token = allTokens.get(random.nextInt(allTokens.size()));
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token.assignRandomType();
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token.assignType(TokenType.WIND_WALKER);
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logger.debug("Spawned token of type " + token.getTokenType());
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tokensInPlay.add(token);
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}
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/**
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* Called periodically in this GameState thread to update the GameState values.
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* -Updates yachts velocity
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* -Updates locations
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* -Checks for collisions
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* -Checks for progression
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*
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* -Also checks things like the end of the race and race start time etc
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*/
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public void update() {
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Boolean raceFinished = true;
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Double timeInterval = (System.currentTimeMillis() - previousUpdateTime) / 1000000.0;
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previousUpdateTime = System.currentTimeMillis();
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for (ServerYacht yacht : yachts.values()) {
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updateVelocity(yacht);
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yacht.runAutoPilot();
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yacht.updateLocation(timeInterval);
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preformTokenUpdates(yacht); //This update must be done before collision. Sorta hacky
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checkCollision(yacht);
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if (yacht.getBoatStatus() != BoatStatus.FINISHED) {
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checkForLegProgression(yacht);
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raceFinished = false;
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}
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}
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if (raceFinished) {
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currentStage = GameStages.FINISHED;
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}
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}
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/**
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* All token functionality entry points is taken care of here. So can be disabled and enabled
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* easily
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*
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* @param yacht The yacht to perform token checks on
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*/
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private void preformTokenUpdates(ServerYacht yacht) {
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checkTokenPickUp(yacht);
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checkPowerUpTimeout(yacht);
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TokenType powerUp = yacht.getPowerUp();
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if (powerUp != null) {
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switch (powerUp) {
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case WIND_WALKER:
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windWalk(yacht);
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break;
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case BUMPER:
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ServerYacht collidedYacht = checkYachtCollision(yacht);
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if (collidedYacht != null) {
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yacht.powerDown();
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boatTempShutDown(collidedYacht);
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notifyMessageListeners(MessageFactory.makePowerDownMessage(yacht));
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notifyMessageListeners(
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MessageFactory.makeStatusEffectMessage(collidedYacht, powerUp));
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}
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break;
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}
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}
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}
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// TODO: 23/09/17 wmu16 - This is a hacky way to have the boat power down. Need some sort of separation between token and status effect :/
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/**
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* Disables the given boat for BUMPER_DISABLE_TIME ms.
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*
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* @param yacht The yacht to disable
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*/
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private void boatTempShutDown(ServerYacht yacht) {
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yacht.setPowerUpSpeedMultiplier(0);
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Timer shutDownTimer = new Timer("Shutdown Timer");
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shutDownTimer.schedule(new TimerTask() {
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@Override
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public void run() {
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yacht.powerDown(); //Note this actually resets the boat to normal.
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}
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}, BUMPER_DISABLE_TIME);
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}
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/**
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* Checks how long a powerup has been active for. If it has exceeded its timeout, it powers the
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* yacht down.
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*
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* @param yacht The yacht to check to power down
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*/
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private void checkPowerUpTimeout(ServerYacht yacht) {
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if (yacht.getPowerUp() != null) {
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if (System.currentTimeMillis() - yacht.getPowerUpStartTime() > yacht.getPowerUp()
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.getTimeout()) {
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String logMessage =
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yacht.getBoatName() + "'s " + yacht.getPowerUp().getName() + " expired";
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notifyMessageListeners(
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MessageFactory.makeChatterMessage(yacht.getSourceId(), logMessage));
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notifyMessageListeners(MessageFactory.makePowerDownMessage(yacht));
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logger.debug("Yacht: " + yacht.getShortName() + " powered down!");
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yacht.powerDown();
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}
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}
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}
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/**
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* This function changes the wind to be at an angle that causes the yacht in question to be at
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* VMG.
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*
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* @param yacht The yacht to fix the wind for
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*/
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private void windWalk(ServerYacht yacht) {
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HashMap<Double, Double> upwindOptimal = PolarTable.getOptimalUpwindVMG(windSpeed);
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Double optimalAngle = null;
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for (Double windAngle : upwindOptimal.keySet()) {
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optimalAngle = windAngle;
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}
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Double heading = yacht.getHeading();
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windDirection = (double) Math.floorMod(Math.round(heading + optimalAngle), 360L);
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}
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/**
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* Check if the yacht has crossed the course limit
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*
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* @param yacht the yacht to be tested
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* @return a boolean value of if there is a boundary collision
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*/
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private static Boolean checkBoundaryCollision(ServerYacht yacht) {
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for (int i = 0; i < courseLimit.size() - 1; i++) {
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if (GeoUtility.checkCrossedLine(courseLimit.get(i), courseLimit.get(i + 1),
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yacht.getLastLocation(), yacht.getLocation()) != 0) {
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return true;
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}
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}
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if (GeoUtility.checkCrossedLine(courseLimit.get(courseLimit.size() - 1), courseLimit.get(0),
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yacht.getLastLocation(), yacht.getLocation()) != 0) {
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return true;
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}
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return false;
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}
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/**
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|
* Checks all tokensInPlay to see if a yacht has picked one up. If so, the yacht is powered up
|
|
* in the appropriate way
|
|
* @param yacht The yacht to check for collision with a token
|
|
*/
|
|
private void checkTokenPickUp(ServerYacht yacht) {
|
|
Token collidedToken = null;
|
|
for (Token token : tokensInPlay) {
|
|
Double distance = GeoUtility.getDistance(token, yacht.getLocation());
|
|
if (distance < YACHT_COLLISION_DISTANCE) {
|
|
collidedToken = token;
|
|
}
|
|
}
|
|
|
|
if (collidedToken != null) {
|
|
tokensInPlay.remove(collidedToken);
|
|
if (collidedToken.getTokenType() == TokenType.RANDOM) {
|
|
collidedToken.realiseRandom();
|
|
}
|
|
|
|
TokenType tokenType = collidedToken.getTokenType();
|
|
switch (tokenType) {
|
|
case BOOST:
|
|
yacht.setPowerUpSpeedMultiplier(VELOCITY_BOOST_MULTIPLIER);
|
|
break;
|
|
case BUMPER:
|
|
// TODO: 22/09/17 wmu16
|
|
break;
|
|
case HANDLING:
|
|
yacht.setPowerUpHandlingMultiplier(HANDLING_BOOST_MULTIPLIER);
|
|
break;
|
|
case WIND_WALKER:
|
|
// TODO: 22/09/17 wmu16
|
|
break;
|
|
}
|
|
yacht.powerUp(tokenType);
|
|
|
|
String logMessage =
|
|
yacht.getBoatName() + " has picked up a " + collidedToken.getTokenType().getName()
|
|
+ " token";
|
|
notifyMessageListeners(
|
|
MessageFactory.makeChatterMessage(yacht.getSourceId(), logMessage));
|
|
notifyMessageListeners(MessageFactory.getRaceXML());
|
|
notifyMessageListeners(MessageFactory.makePickupMessage(yacht, collidedToken));
|
|
|
|
logger.debug("Yacht: " + yacht.getShortName() + " got powerup " + collidedToken
|
|
.getTokenType());
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Checks for collision with other in game objects for the given serverYacht. To be called each
|
|
* update. If there is a collision, Notifies the server to send the appropriate messages out.
|
|
* Checks for these items in turn:
|
|
* - Other yachts
|
|
* - Marks
|
|
* - Boundary
|
|
* - Tokens
|
|
*
|
|
* @param serverYacht The server yacht to check collisions with
|
|
*/
|
|
public static void checkCollision(ServerYacht serverYacht) {
|
|
//Yacht Collision
|
|
ServerYacht collidedYacht = checkYachtCollision(serverYacht);
|
|
Mark collidedMark = checkMarkCollision(serverYacht);
|
|
|
|
if (collidedYacht != null) {
|
|
GeoPoint originalLocation = serverYacht.getLocation();
|
|
serverYacht.setLocation(
|
|
calculateBounceBack(serverYacht, originalLocation, BOUNCE_DISTANCE_YACHT)
|
|
);
|
|
serverYacht.setCurrentVelocity(
|
|
serverYacht.getCurrentVelocity() * COLLISION_VELOCITY_PENALTY
|
|
);
|
|
collidedYacht.setLocation(
|
|
calculateBounceBack(collidedYacht, originalLocation, BOUNCE_DISTANCE_YACHT)
|
|
);
|
|
collidedYacht.setCurrentVelocity(
|
|
collidedYacht.getCurrentVelocity() * COLLISION_VELOCITY_PENALTY
|
|
);
|
|
notifyMessageListeners(MessageFactory.makeCollisionMessage(serverYacht));
|
|
}
|
|
|
|
//Mark Collision
|
|
else if (collidedMark != null) {
|
|
serverYacht.setLocation(
|
|
calculateBounceBack(serverYacht, collidedMark, BOUNCE_DISTANCE_MARK)
|
|
);
|
|
|
|
serverYacht.setCurrentVelocity(
|
|
serverYacht.getCurrentVelocity() * COLLISION_VELOCITY_PENALTY
|
|
);
|
|
notifyMessageListeners(MessageFactory.makeCollisionMessage(serverYacht));
|
|
}
|
|
|
|
//Boundary Collision
|
|
else if (checkBoundaryCollision(serverYacht)) {
|
|
serverYacht.setLocation(
|
|
calculateBounceBack(serverYacht, serverYacht.getLocation(),
|
|
BOUNCE_DISTANCE_YACHT)
|
|
);
|
|
|
|
serverYacht.setCurrentVelocity(
|
|
serverYacht.getCurrentVelocity() * COLLISION_VELOCITY_PENALTY
|
|
);
|
|
notifyMessageListeners(MessageFactory.makeCollisionMessage(serverYacht));
|
|
}
|
|
}
|
|
|
|
|
|
private void updateVelocity(ServerYacht yacht) {
|
|
Double trueWindAngle = Math.abs(windDirection - yacht.getHeading());
|
|
Double boatSpeedInKnots = PolarTable.getBoatSpeed(getWindSpeedKnots(), trueWindAngle);
|
|
Double maxBoatSpeed =
|
|
GeoUtility.knotsToMMS(boatSpeedInKnots) * serverSpeedMultiplier * yacht
|
|
.getPowerUpSpeedMultiplier() * yacht.getBoatTypeSpeedMultiplier();
|
|
|
|
Double currentVelocity = yacht.getCurrentVelocity();
|
|
// TODO: 15/08/17 remove magic numbers from these equations.
|
|
if (yacht.getSailIn()) {
|
|
if (currentVelocity < maxBoatSpeed - 500) {
|
|
yacht.changeVelocity(
|
|
(maxBoatSpeed / 100) * yacht.getBoatTypeAccelerationMultiplier());
|
|
} else if (currentVelocity > maxBoatSpeed + 500) {
|
|
yacht.changeVelocity(
|
|
(-currentVelocity / 200) * yacht.getBoatTypeAccelerationMultiplier());
|
|
} else {
|
|
yacht
|
|
.setCurrentVelocity((maxBoatSpeed) * yacht.getBoatTypeAccelerationMultiplier());
|
|
}
|
|
} else {
|
|
if (currentVelocity > 3000) {
|
|
yacht.changeVelocity(
|
|
(-currentVelocity / 200) * yacht.getBoatTypeAccelerationMultiplier());
|
|
} else if (currentVelocity > 100) {
|
|
yacht.changeVelocity(
|
|
(-currentVelocity / 50) * yacht.getBoatTypeAccelerationMultiplier());
|
|
} else if (currentVelocity <= 100) {
|
|
yacht.setCurrentVelocity(0d);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* 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)}
|
|
*/
|
|
private Double calcDistanceToCurrentMark(ServerYacht yacht) throws IndexOutOfBoundsException {
|
|
Integer currentMarkSeqID = yacht.getCurrentMarkSeqID();
|
|
CompoundMark currentMark = markOrder.getCurrentMark(currentMarkSeqID);
|
|
GeoPoint location = yacht.getLocation();
|
|
|
|
if (currentMark.isGate()) {
|
|
Mark sub1 = currentMark.getSubMark(1);
|
|
Mark sub2 = currentMark.getSubMark(2);
|
|
Double distance1 = GeoUtility.getDistance(location, sub1);
|
|
Double distance2 = GeoUtility.getDistance(location, sub2);
|
|
if (distance1 < distance2) {
|
|
yacht.setClosestCurrentMark(sub1);
|
|
return distance1;
|
|
} else {
|
|
yacht.setClosestCurrentMark(sub2);
|
|
return distance2;
|
|
}
|
|
} else {
|
|
yacht.setClosestCurrentMark(currentMark.getSubMark(1));
|
|
return GeoUtility.getDistance(location, currentMark.getSubMark(1));
|
|
}
|
|
}
|
|
|
|
|
|
/** lobbyController.setPlayerListSource(clientLobbyList);
|
|
* 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
|
|
*
|
|
* @param yacht the current yacht to check for progression
|
|
*/
|
|
private void checkForLegProgression(ServerYacht yacht) {
|
|
Integer currentMarkSeqID = yacht.getCurrentMarkSeqID();
|
|
CompoundMark currentMark = markOrder.getCurrentMark(currentMarkSeqID);
|
|
|
|
Boolean hasProgressed;
|
|
if (currentMarkSeqID == 0) {
|
|
hasProgressed = checkStartLineCrossing(yacht);
|
|
} else if (markOrder.isLastMark(currentMarkSeqID)) {
|
|
hasProgressed = checkFinishLineCrossing(yacht);
|
|
} else if (currentMark.isGate()) {
|
|
hasProgressed = checkGateRounding(yacht);
|
|
} else {
|
|
hasProgressed = checkMarkRounding(yacht);
|
|
}
|
|
|
|
if (hasProgressed) {
|
|
if (currentMarkSeqID != 0 && !markOrder.isLastMark(currentMarkSeqID)) {
|
|
|
|
String logMessage = yacht.getBoatName() + " passed leg " + yacht.getLegNumber();
|
|
notifyMessageListeners(
|
|
MessageFactory.makeChatterMessage(yacht.getSourceId(), logMessage));
|
|
}
|
|
yacht.incrementLegNumber();
|
|
sendMarkRoundingMessage(yacht);
|
|
logMarkRounding(yacht);
|
|
yacht.setHasPassedLine(false);
|
|
yacht.setHasEnteredRoundingZone(false);
|
|
yacht.setHasPassedThroughGate(false);
|
|
if (!markOrder.isLastMark(currentMarkSeqID)) {
|
|
yacht.incrementMarkSeqID();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* If we pass the start line gate in the correct direction, progress
|
|
*
|
|
* @param yacht The current yacht to check for
|
|
*/
|
|
private Boolean checkStartLineCrossing(ServerYacht yacht) {
|
|
Integer currentMarkSeqID = yacht.getCurrentMarkSeqID();
|
|
CompoundMark currentMark = markOrder.getCurrentMark(currentMarkSeqID);
|
|
GeoPoint lastLocation = yacht.getLastLocation();
|
|
GeoPoint location = yacht.getLocation();
|
|
|
|
Mark mark1 = currentMark.getSubMark(1);
|
|
Mark mark2 = currentMark.getSubMark(2);
|
|
CompoundMark nextMark = markOrder.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) {
|
|
yacht.setClosestCurrentMark(mark1);
|
|
yacht.setBoatStatus(BoatStatus.RACING);
|
|
String logMessage = yacht.getBoatName() + " passed start line";
|
|
notifyMessageListeners(
|
|
MessageFactory.makeChatterMessage(yacht.getSourceId(), logMessage));
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* 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'
|
|
*
|
|
* @param yacht The current yacht to check for
|
|
*/
|
|
private Boolean checkMarkRounding(ServerYacht yacht) {
|
|
Integer currentMarkSeqID = yacht.getCurrentMarkSeqID();
|
|
CompoundMark currentMark = markOrder.getCurrentMark(currentMarkSeqID);
|
|
GeoPoint lastLocation = yacht.getLastLocation();
|
|
GeoPoint location = yacht.getLocation();
|
|
GeoPoint nextPoint = markOrder.getNextMark(currentMarkSeqID).getMidPoint();
|
|
GeoPoint prevPoint = markOrder.getPreviousMark(currentMarkSeqID).getMidPoint();
|
|
GeoPoint midPoint = GeoUtility.getDirtyMidPoint(nextPoint, prevPoint);
|
|
|
|
if (calcDistanceToCurrentMark(yacht) < ROUNDING_DISTANCE) {
|
|
yacht.setHasEnteredRoundingZone(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)) {
|
|
yacht.setHasPassedLine(true);
|
|
}
|
|
}
|
|
|
|
return yacht.hasPassedLine() && yacht.hasEnteredRoundingZone();
|
|
}
|
|
|
|
|
|
/**
|
|
* Checks if a gate line has been crossed and in the correct direction
|
|
*
|
|
* @param yacht The current yacht to check for
|
|
*/
|
|
private Boolean checkGateRounding(ServerYacht yacht) {
|
|
Integer currentMarkSeqID = yacht.getCurrentMarkSeqID();
|
|
CompoundMark currentMark = markOrder.getCurrentMark(currentMarkSeqID);
|
|
GeoPoint lastLocation = yacht.getLastLocation();
|
|
GeoPoint location = yacht.getLocation();
|
|
|
|
Mark mark1 = currentMark.getSubMark(1);
|
|
Mark mark2 = currentMark.getSubMark(2);
|
|
CompoundMark prevMark = markOrder.getPreviousMark(currentMarkSeqID);
|
|
CompoundMark nextMark = markOrder.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) {
|
|
yacht.setHasPassedThroughGate(true);
|
|
}
|
|
}
|
|
|
|
Boolean prevMarkSide = GeoUtility.isClockwise(mark1, mark2, prevMark.getMidPoint());
|
|
Boolean nextMarkSide = GeoUtility.isClockwise(mark1, mark2, nextMark.getMidPoint());
|
|
|
|
if (yacht.hasPassedThroughGate()) {
|
|
//Check if we need to round this gate after passing through
|
|
if (prevMarkSide == nextMarkSide) {
|
|
return checkMarkRounding(yacht);
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* If we pass the finish gate in the correct direction
|
|
*
|
|
* @param yacht The current yacht to check for
|
|
*/
|
|
private Boolean checkFinishLineCrossing(ServerYacht yacht) {
|
|
Integer currentMarkSeqID = yacht.getCurrentMarkSeqID();
|
|
CompoundMark currentMark = markOrder.getCurrentMark(currentMarkSeqID);
|
|
GeoPoint lastLocation = yacht.getLastLocation();
|
|
GeoPoint location = yacht.getLocation();
|
|
|
|
Mark mark1 = currentMark.getSubMark(1);
|
|
Mark mark2 = currentMark.getSubMark(2);
|
|
CompoundMark prevMark = markOrder.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) {
|
|
yacht.setClosestCurrentMark(mark1);
|
|
yacht.setBoatStatus(BoatStatus.FINISHED);
|
|
|
|
String logMessage = yacht.getBoatName() + " passed finish line";
|
|
notifyMessageListeners(
|
|
MessageFactory.makeChatterMessage(yacht.getSourceId(), logMessage));
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Handles player customization.
|
|
*
|
|
* @param playerID The ID of the player being modified.
|
|
* @param requestType the type of player customization the player wants
|
|
* @param customizeData the data related to the customization (color, name, shape)
|
|
*/
|
|
public static void customizePlayer(long playerID, CustomizeRequestType requestType,
|
|
byte[] customizeData) {
|
|
ServerYacht playerYacht = yachts.get((int) playerID);
|
|
|
|
if (requestType.equals(CustomizeRequestType.NAME)) {
|
|
String name = new String(customizeData);
|
|
playerYacht.setBoatName(name);
|
|
} else if (requestType.equals(CustomizeRequestType.COLOR)) {
|
|
//This low level stuff shouldnt be here alistair! In fact no logic LIKE THIS should! - wmu16
|
|
int red = customizeData[0] & 0xFF;
|
|
int green = customizeData[1] & 0xFF;
|
|
int blue = customizeData[2] & 0xFF;
|
|
Color yachtColor = Color.rgb(red, green, blue);
|
|
playerYacht.setBoatColor(yachtColor);
|
|
} else if (requestType.equals(CustomizeRequestType.SHAPE)) {
|
|
String type = new String(customizeData);
|
|
playerYacht.setBoatType(BoatMeshType.valueOf(type));
|
|
}
|
|
}
|
|
|
|
private static Mark checkMarkCollision(ServerYacht yacht) {
|
|
Set<Mark> marksInRace = GameState.getMarks();
|
|
for (Mark mark : marksInRace) {
|
|
if (GeoUtility.getDistance(yacht.getLocation(), mark)
|
|
<= MARK_COLLISION_DISTANCE) {
|
|
return mark;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Calculate the new position of the boat after it has had a collision
|
|
*
|
|
* @return The boats new position
|
|
*/
|
|
private static GeoPoint calculateBounceBack(ServerYacht yacht, GeoPoint collidedWith,
|
|
Double bounceDistance) {
|
|
Double heading = GeoUtility.getBearing(yacht.getLastLocation(), collidedWith);
|
|
// Invert heading
|
|
heading -= 180;
|
|
Integer newHeading = Math.floorMod(heading.intValue(), 360);
|
|
return GeoUtility
|
|
.getGeoCoordinate(yacht.getLocation(), newHeading.doubleValue(), bounceDistance);
|
|
}
|
|
|
|
/**
|
|
* Collision detection which iterates through all the yachts and check if any yacht collided
|
|
* with this yacht. Return collided yacht or null if no collision.
|
|
*
|
|
* @return yacht to compare to all other yachts.
|
|
*/
|
|
private static ServerYacht checkYachtCollision(ServerYacht yacht) {
|
|
|
|
for (ServerYacht otherYacht : GameState.getYachts().values()) {
|
|
if (otherYacht != yacht) {
|
|
Double distance = GeoUtility
|
|
.getDistance(otherYacht.getLocation(), yacht.getLocation());
|
|
if (distance < YACHT_COLLISION_DISTANCE) {
|
|
return otherYacht;
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
private void sendMarkRoundingMessage(ServerYacht yacht) {
|
|
Integer sourceID = yacht.getSourceId();
|
|
Integer currentMarkSeqID = yacht.getCurrentMarkSeqID();
|
|
CompoundMark currentMark = markOrder.getCurrentMark(currentMarkSeqID);
|
|
MarkType markType = (currentMark.isGate()) ? MarkType.GATE : MarkType.ROUNDING_MARK;
|
|
Mark roundingMark = yacht.getClosestCurrentMark();
|
|
|
|
// TODO: 13/8/17 figure out the rounding side, rounded mark source ID and boat status.
|
|
Message markRoundingMessage = new MarkRoundingMessage(0, 0,
|
|
sourceID, RoundingBoatStatus.RACING, roundingMark.getRoundingSide(), markType,
|
|
currentMarkSeqID + 1);
|
|
|
|
notifyMessageListeners(markRoundingMessage);
|
|
}
|
|
|
|
private static void notifyMessageListeners(Message message) {
|
|
for (NewMessageListener ml : newMessageListeners) {
|
|
ml.notify(message);
|
|
}
|
|
}
|
|
|
|
private void logMarkRounding(ServerYacht yacht) {
|
|
Mark roundingMark = yacht.getClosestCurrentMark();
|
|
logger.debug(
|
|
String.format("Yacht srcID(%d) passed Mark srcID(%d)", yacht.getSourceId(),
|
|
roundingMark.getSourceID()));
|
|
}
|
|
|
|
public static void processChatter(ChatterMessage chatterMessage, boolean isHost) {
|
|
String chatterText = chatterMessage.getMessage();
|
|
String[] words = chatterText.split("\\s+");
|
|
if (words.length > 2 && isHost) {
|
|
switch (words[2].trim()) {
|
|
case "/speed":
|
|
try {
|
|
serverSpeedMultiplier = Double.valueOf(words[3]);
|
|
String logMessage = "Speed modifier set to x" + words[3];
|
|
notifyMessageListeners(MessageFactory
|
|
.makeChatterMessage(chatterMessage.getMessageType(), logMessage));
|
|
} catch (Exception e) {
|
|
Logger logger = LoggerFactory.getLogger(GameState.class);
|
|
logger.error("cannot parse >speed value");
|
|
}
|
|
return;
|
|
case "/finish":
|
|
String logMessage = "Game will now finish";
|
|
notifyMessageListeners(MessageFactory
|
|
.makeChatterMessage(chatterMessage.getMessageType(), logMessage));
|
|
endRace();
|
|
return;
|
|
}
|
|
}
|
|
notifyMessageListeners(chatterMessage);
|
|
}
|
|
|
|
public static void addMessageEventListener(NewMessageListener listener) {
|
|
newMessageListeners.add(listener);
|
|
}
|
|
|
|
public static void setCustomizationFlag() {
|
|
customizationFlag = true;
|
|
}
|
|
|
|
public static Boolean getCustomizationFlag() {
|
|
return customizationFlag;
|
|
}
|
|
|
|
public static void resetCustomizationFlag() {
|
|
customizationFlag = false;
|
|
}
|
|
|
|
public static void setPlayerHasLeftFlag(Boolean flag) {
|
|
playerHasLeftFlag = flag;
|
|
}
|
|
|
|
public static Boolean getPlayerHasLeftFlag() {
|
|
return playerHasLeftFlag;
|
|
}
|
|
|
|
public static Integer getNumberOfPlayers(){
|
|
Integer numPlayers = 1;
|
|
|
|
for(Player p : getPlayers()){
|
|
if(p.getSocket().isConnected()){
|
|
numPlayers++;
|
|
}
|
|
}
|
|
|
|
return numPlayers;
|
|
}
|
|
|
|
public static Integer getCapacity(){
|
|
return maxPlayers;
|
|
}
|
|
|
|
public static void setMaxPlayers(Integer newMax){
|
|
maxPlayers = newMax;
|
|
}
|
|
|
|
public static void endRace () {
|
|
yachts.forEach((id, yacht) -> yacht.setBoatStatus(BoatStatus.FINISHED));
|
|
currentStage = GameStages.FINISHED;
|
|
}
|
|
|
|
public static double getServerSpeedMultiplier() {
|
|
return serverSpeedMultiplier;
|
|
}
|
|
}
|