Twin Duel/Tourney Runner

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{{Template:Archive|The information below was written pre-2009, and it is now '''extremely outdated'''. Twin Duel has since been integrated into [[RoboRumble]], and no longer uses this tournament runner or any code based on it. This page is now only kept for posterity's sake. '''Do not edit the contents of this page.'''}}
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This is the latest automation code for the Twin Duel tournament. It's currently written to the Robocode 1.7+ control API, so it unfortunately does not work with 1.6.1.4. Especially unfortunate because 1.7.1.1 introduces a bug with onRobotDeath events. The 1.7.1.4 alphas 8 and 9 have that bug fixed, so they are the best versions to use it with until the real 1.7.1.4 comes - sorry. Get them [[User talk:Voidious/Robocode Version Tests#New Alphas|here]].
 
This is the latest automation code for the Twin Duel tournament. It's currently written to the Robocode 1.7+ control API, so it unfortunately does not work with 1.6.1.4. Especially unfortunate because 1.7.1.1 introduces a bug with onRobotDeath events. The 1.7.1.4 alphas 8 and 9 have that bug fixed, so they are the best versions to use it with until the real 1.7.1.4 comes - sorry. Get them [[User talk:Voidious/Robocode Version Tests#New Alphas|here]].
  

Latest revision as of 22:00, 24 October 2017

Twin Duel Sub-pages:
Twin DuelParticipants - Results - Strategy Guide - Tourney Runner - Origin Discussion - Archived Talk 20090807

       Archive        The information below was written pre-2009, and it is now extremely outdated. Twin Duel has since been integrated into RoboRumble, and no longer uses this tournament runner or any code based on it. This page is now only kept for posterity's sake. Do not edit the contents of this page.     

This is the latest automation code for the Twin Duel tournament. It's currently written to the Robocode 1.7+ control API, so it unfortunately does not work with 1.6.1.4. Especially unfortunate because 1.7.1.1 introduces a bug with onRobotDeath events. The 1.7.1.4 alphas 8 and 9 have that bug fixed, so they are the best versions to use it with until the real 1.7.1.4 comes - sorry. Get them here.

This code includes a round robin, collecting results from round robin to rank the bots, and running a single elimination tourney based on that seeding. It would be a good base for any new tournaments anyone wants to try and run. It is also a good utility for testing Twin Duel battles in batch, since RoboResearch doesn't support that yet: you'd just use the round robin method and tweak the one "if" to only run battles that include a certain bot (like the commented out line).

I think the old code would be closer to what 1.6.1.4 needs, if you want to try and adapt it: TwinDuelUtil_003.zip.

Lastly, the portion that restarts the Robocode engine when a battle errors is untested.

[edit] RunTwinTourney.java

package twinduel;
 
import robocode.control.*;
 
import java.io.File;
import java.util.HashMap;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.Collections;
 
public class RunTwinTourney {
    public static final String ROBOCODE_PATH = "/PATH/TO/ROBOCODE";
    static final int NUM_ROUNDS = 75;
    static final int NUM_ITERATIONS = 1;
    static final int BATTLEFIELD_WIDTH = 800;
    static final int BATTLEFIELD_HEIGHT = 800;
    static final String[] competitors = {
        "ags.lunartwins.LunarTwins 1.2",
        "bvh.two.Ravens 0.2",
        "bvh.two.Valkiries 0.44t_mk3",
        "chase.twin.SurroundingTeam 1.0",
        "davidalves.twin.YinYang 1.2",
        "gh.GruwelTwins 0.1",
        "gh.twin.GrauwuarG 0.41",
        "jk.team.NightAndDay 1.6",
        "kawigi.micro.ShizPair 1.1",
        "kawigi.twin.MarioBros 1.0",
        "kc.twins.GeminiTeam 2.1",
        "kinsen.twin.SelcouthTeam 1.1",
        "krillr.mini.JointStrikeForce 2.0",
        "voidious.team.LuminariousDuo 1.0591",
        "wcsv.Coyote.CoyotePair .1",
        "whind.TwintelligenceTeam 1.0",
        "wiki.twin.InevitableTeam 0.1",
        "wiki.twin.KomariousTeam 1.0"
 
    };
 
    static final boolean WAIT_UNTIL_OVER = true;
 
    private TwinListener _twinListener;
    private BattlefieldSpecification _battlefield; 
    private RobocodeEngine _roboEngine;
 
    public RunTwinTourney() { 
        _twinListener = new TwinListener();
        _roboEngine = new RobocodeEngine(new File(ROBOCODE_PATH));
        _roboEngine.addBattleListener(_twinListener);
        _roboEngine.setVisible(false);
        _battlefield = 
            new BattlefieldSpecification(BATTLEFIELD_WIDTH, BATTLEFIELD_HEIGHT);
    }
 
    public void runTwinDuel() {
        ArrayList<CompetitorData> competitorList = processRoundRobin();
        ArrayList<CompetitorData> sortedCompetitorList = 
            (ArrayList<CompetitorData>)competitorList.clone();
        Collections.sort(sortedCompetitorList, new CompetitorSort());
 
        System.out.println("----");
        System.out.println();
        System.out.println("Round Robin Results: ");
        printCompetitorStats(sortedCompetitorList);
 
        processBracketTourney(sortedCompetitorList);
    }
 
    public ArrayList<CompetitorData> processRoundRobin() {        
        HashMap<String, CompetitorData> competitorHash = 
            new HashMap<String, CompetitorData>();        
 
        for (int z = 0; z < NUM_ITERATIONS; z++) {
            System.out.println("Round Robin Iteration " + (z + 1) + "...");
            for (int x = 0; x < competitors.length; x++) {
                for (int y = 0; y < competitors.length; y++) {
                    if (x < y) {                              
//                    if (x == 0 && x != y) {                          
                        String botNameFirst = "", botNameSecond = "";
                        int botSurvivalFirst = -1, botSurvivalSecond = -1;
                        do {                                  
                            BattleSpecification battleSpec = 
                                new BattleSpecification(NUM_ROUNDS, 
                                    _battlefield, 
                                    _roboEngine.getLocalRepository(
                                    competitors[x] + "," + competitors[y]));
                            _twinListener.lastBattleErrored = false;
                            _roboEngine.runBattle(battleSpec, WAIT_UNTIL_OVER);
 
                            botNameFirst = 
                                _twinListener.lastResult1.getRobot().getTeamId();
                            botNameFirst = 
                                botNameFirst.replaceFirst("\\[.*\\]", "");
                            botSurvivalFirst = 
                                _twinListener.lastResult1.getFirsts();
                            botNameSecond = 
                                _twinListener.lastResult2.getRobot().getTeamId();
                            botNameSecond = 
                                botNameSecond.replaceFirst("\\[.*\\]", "");
                            botSurvivalSecond = 
                                _twinListener.lastResult2.getFirsts();
                            if (botSurvivalFirst == botSurvivalSecond) {
                            System.out.println(botNameFirst + " tied with " + 
                                botNameSecond + ": " + botSurvivalFirst + 
                                " rounds won each. Rerunning...");
                            }
                            if (_twinListener.lastBattleErrored) {
                                System.out.println("Encountered a Robocode " +
                                    "error. Re-initializing Robocode engine " +
                                    "and rerunning...");
                                _roboEngine = 
                                    new RobocodeEngine(new File(ROBOCODE_PATH));
                                _roboEngine.addBattleListener(_twinListener);
                            }
                        } while (botSurvivalFirst == botSurvivalSecond ||
                                 _twinListener.lastBattleErrored);
 
                        String winnerName, loserName;
                        int winnerSurvival, loserSurvival;
                        if (botSurvivalFirst > botSurvivalSecond) {
                            winnerName = botNameFirst;
                            winnerSurvival = botSurvivalFirst;
                            loserName = botNameSecond;
                            loserSurvival = botSurvivalSecond;
                        } else {
                            loserName = botNameFirst;
                            loserSurvival = botSurvivalFirst;
                            winnerName = botNameSecond;
                            winnerSurvival = botSurvivalSecond;
                        }
 
                        CompetitorData winnerData, loserData;
                        if (competitorHash.containsKey(winnerName)) {
                            winnerData = competitorHash.get(winnerName);
                        } else {
                            winnerData = new CompetitorData();
                            winnerData.name = winnerName;
                            competitorHash.put(winnerName, winnerData);
                        }
                        winnerData.matchesWon++;
                        winnerData.roundsWon += winnerSurvival;
                        winnerData.roundsTotal += NUM_ROUNDS;
 
                        if (competitorHash.containsKey(loserName)) {
                            loserData = competitorHash.get(loserName);
                        } else {
                            loserData = new CompetitorData();
                            loserData.name = loserName;
                            competitorHash.put(loserName, loserData);
                        }
                        loserData.matchesLost++;
                        loserData.roundsWon += loserSurvival;
                        loserData.roundsTotal += NUM_ROUNDS;
 
                        System.out.println("RESULT = "+ winnerName +" defeats "
                            + loserName + ": " + winnerSurvival + " to " + 
                            loserSurvival);                       
                    }
                }
            }
            System.out.println();
        }
 
        return new ArrayList<CompetitorData>(competitorHash.values());
    }
 
    public void processBracketTourney(ArrayList<CompetitorData> competitorList) {
        for (int x = 0; x < competitorList.size(); x++) {
            CompetitorData competitor = competitorList.get(x);
            competitor.tourneySeed = (x + 1);
        }
 
        int rounds = 1, slots = 2;
 
        while (slots < competitorList.size()) {
            rounds++;
            slots *= 2;
        }
 
        for (int x = 0; x < rounds; x++) {
            System.out.println();
            System.out.println("----");
            System.out.println();
            if (x < rounds - 1) {
                System.out.println("Bracket Tourney Round " + (x + 1));
            } else {
                System.out.println("Tourney Finals");
            }
            System.out.println();
 
            boolean needExtraNewline = false;
 
            for (int y = 0; y < (slots / 2); y++) {
                int effectiveSeed1 = (y + 1);
                int effectiveSeed2 = slots - y;
 
                if (competitorList.size() < effectiveSeed2) {
                    System.out.println("Seed " + effectiveSeed1 
                        + " gets a bye");
                    needExtraNewline = true;
                } else {
                    if (needExtraNewline) {
                        System.out.println();
                        needExtraNewline = false;
                    }
 
                    CompetitorData higherSeed = 
                        competitorList.get(effectiveSeed1 - 1);
                    CompetitorData lowerSeed =
                        competitorList.get(effectiveSeed2 - 1);
 
                    System.out.println(
                            higherSeed.tourneySeed + " " + higherSeed.name);
                    System.out.println(
                            lowerSeed.tourneySeed + " " + lowerSeed.name);
 
                    String tourneyResultString = tourneyBattleResult(
                        higherSeed, lowerSeed, (slots == 2));
                    System.out.println("\t" + tourneyResultString);
 
                    if (!tourneyResultString.contains(
                            higherSeed.name + " wins")) {
                        competitorList.set(y, lowerSeed);
                    }
 
                    needExtraNewline = true;
                }
            }
 
            slots /= 2;
        }
 
        System.out.println();
    }
 
    public static void printCompetitorStats(
        ArrayList<CompetitorData> competitorStats) {
 
        for (int x = 0; x < competitorStats.size(); x++) {
            System.out.println();
            CompetitorData stats = competitorStats.get(x);
            System.out.println("Competitor: " + stats.name);
            System.out.println("Win/loss: " + stats.matchesWon + " - " + stats.matchesLost);
            System.out.println("Rounds won: " + stats.roundsWon + 
                " (" + stats.roundWinPercentage() + "%)");
        }
    }
 
    public String tourneyBattleResult(CompetitorData firstBot, 
        CompetitorData secondBot, boolean tourneyFinals) {
 
        String botNameFirst = "", botNameSecond = "";
        int botSurvivalFirst = -1, botSurvivalSecond = -1;
        int battlesFought = 0;
 
        TwinBattleResult tourneyBattleResult = new TwinBattleResult();
        tourneyBattleResult.firstBotName = firstBot.name;
        tourneyBattleResult.secondBotName = secondBot.name;
 
        do {                                  
            BattleSpecification battleSpec = 
                new BattleSpecification(NUM_ROUNDS, _battlefield, 
                _roboEngine.getLocalRepository(firstBot.name + 
                    "," + secondBot.name));
            _twinListener.lastBattleErrored = false;
            _roboEngine.runBattle(battleSpec, WAIT_UNTIL_OVER);
 
            if (_twinListener.lastBattleErrored) {
                System.out.println("Encountered a Robocode error. " +
                    "Re-initializing Robocode engine and rerunning...");
                _roboEngine = new RobocodeEngine(new File(ROBOCODE_PATH));
                _roboEngine.addBattleListener(_twinListener);
            } else {
                botNameFirst = _twinListener.lastResult1.getRobot().getTeamId();
                botNameFirst = botNameFirst.replaceFirst("\\[.*\\]", "");
                botSurvivalFirst = _twinListener.lastResult1.getFirsts();
                botNameSecond = _twinListener.lastResult2.getRobot().getTeamId();
                botNameSecond = botNameSecond.replaceFirst("\\[.*\\]", "");
                botSurvivalSecond = _twinListener.lastResult2.getFirsts();
 
                battlesFought++;
                if (firstBot.name.equals(botNameFirst)) {
                    tourneyBattleResult.firstSurvival.add(
                        new Integer(botSurvivalFirst));
                    tourneyBattleResult.secondSurvival.add(
                        new Integer(botSurvivalSecond));             
                } else {
                    tourneyBattleResult.secondSurvival.add(
                        new Integer(botSurvivalFirst));
                    tourneyBattleResult.firstSurvival.add(
                        new Integer(botSurvivalSecond));                              
                }
                // For debugging suspected problems...
//                System.out.println("RAW TOURNEY RESULT: " + botNameFirst + 
//                    " = " + botSurvivalFirst + ", " + botNameSecond + " = " + 
//                    botSurvivalSecond);
            }
        } while ((tourneyFinals && battlesFought < 3) ||
                (!tourneyFinals && botSurvivalFirst == botSurvivalSecond) ||
                _twinListener.lastBattleErrored);
 
        return tourneyBattleResult.winString();
    }
 
    class CompetitorData {
        String name;
        long matchesWon = 0;
        long matchesLost = 0;
        long roundsWon = 0;
        long roundsTotal = 0;
        int tourneySeed = -1;
 
        public double roundWinPercentage() {
            return (
                ((double)Math.round((((double)roundsWon)/roundsTotal)*10000))
                    / 100);            
        }
    }
 
    class CompetitorSort implements Comparator<CompetitorData> {
        public int compare(CompetitorData c1, CompetitorData c2) {
            if (c1.matchesWon - c1.matchesLost <
                c2.matchesWon - c2.matchesLost) {
                return 1;
            } else if (c1.matchesWon - c1.matchesLost >
                c2.matchesWon - c2.matchesLost) {
                return -1;
            } else {
                if (c1.roundWinPercentage() < c2.roundWinPercentage()) {
                    return 1;
                } else if (c1.roundWinPercentage() > c2.roundWinPercentage()) {
                    return -1;
                } else {
                    return 0;
                }
            }
        }
 
        public boolean equals(Object obj) {
            return (this == obj);
        }
    }
 
    class TwinBattleResult {
        String firstBotName, secondBotName;
        ArrayList<Integer> firstSurvival;
        ArrayList<Integer> secondSurvival;
 
        public TwinBattleResult() {
            firstSurvival = new ArrayList<Integer>();
            secondSurvival = new ArrayList<Integer>();
        }
 
        public String winString() {
            int firstWins = 0, secondWins = 0;
 
            for (int x = 0; x < firstSurvival.size(); x++) {
                if (((Integer)firstSurvival.get(x)).intValue() 
                        > ((Integer)secondSurvival.get(x)).intValue()) {
                    firstWins++;
                } else if (((Integer)firstSurvival.get(x)).intValue()
                        < ((Integer)secondSurvival.get(x)).intValue()) {
                    secondWins++;
                }
            }
 
            String winString = "";
 
            if (firstWins > secondWins) {
                winString += firstBotName + " wins ";
            } else if (firstWins < secondWins) {
                winString += secondBotName + " wins ";
            } else {
                winString += firstBotName + " tied with " + secondBotName
                    + " ";
            }
 
            for (int x = 0; x < firstSurvival.size(); x++) {
                if (x != 0) {
                    winString += ", ";
                }
 
                if (firstWins >= secondWins) {
                    winString += firstSurvival.get(x) + " - " 
                    + secondSurvival.get(x); 
                } else {
                    winString += secondSurvival.get(x) + " - " 
                    + firstSurvival.get(x);
                }
            }
 
            return winString;
        }
    }
 
    public static void main(String[] args) {
        RunTwinTourney rtt = new RunTwinTourney();
        rtt.runTwinDuel();
    }
}

[edit] TwinListener.java

package twinduel;
 
import robocode.control.BattleSpecification;
import robocode.control.RobotResults;
import robocode.control.events.BattleCompletedEvent;
import robocode.control.events.BattleErrorEvent;
import robocode.control.events.BattleFinishedEvent;
import robocode.control.events.BattleMessageEvent;
import robocode.control.events.BattlePausedEvent;
import robocode.control.events.BattleResumedEvent;
import robocode.control.events.BattleStartedEvent;
import robocode.control.events.RoundEndedEvent;
import robocode.control.events.RoundStartedEvent;
import robocode.control.events.TurnEndedEvent;
import robocode.control.events.TurnStartedEvent;
import robocode.BattleResults;
 
public class TwinListener implements robocode.control.events.IBattleListener {
 
    public RobotResults lastResult1;
    public RobotResults lastResult2;
    public boolean lastBattleErrored = false;
 
    public void battleAborted(BattleSpecification battlespecification) { }
 
    public void battleMessage(String string) { }
 
    public void onBattleCompleted(BattleCompletedEvent arg0) {
        RobotResults[] results = 
            RobotResults.convertResults(arg0.getIndexedResults());
 
        lastResult1 = results[0];
        lastResult2 = results[1];
    }
 
    public void onBattleError(BattleErrorEvent arg0) {
        System.out.println(arg0.getError());
        lastBattleErrored = true;
 
    }
 
    public void onBattleFinished(BattleFinishedEvent arg0) {
        // TODO Auto-generated method stub
 
    }
 
    public void onBattleMessage(BattleMessageEvent arg0) {
        // TODO Auto-generated method stub
 
    }
 
    public void onBattlePaused(BattlePausedEvent arg0) {
        // TODO Auto-generated method stub
 
    }
 
    public void onBattleResumed(BattleResumedEvent arg0) {
        // TODO Auto-generated method stub
 
    }
 
    public void onBattleStarted(BattleStartedEvent arg0) {
        // TODO Auto-generated method stub
 
    }
 
    public void onRoundEnded(RoundEndedEvent arg0) {
        // TODO Auto-generated method stub
 
    }
 
    public void onRoundStarted(RoundStartedEvent arg0) {
        // TODO Auto-generated method stub
 
    }
 
    public void onTurnEnded(TurnEndedEvent arg0) {
        // TODO Auto-generated method stub
 
    }
 
    public void onTurnStarted(TurnStartedEvent arg0) {
        // TODO Auto-generated method stub
 
    }
}
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