Bots Aleatoires + Simu parties + csv de resultats

javaAPI/fr/iut_fbleau/GameAPI/AbstractGame.java

@@ -34,8 +34,8 @@ public abstract class AbstractGame {
     
     // constructeur à appeler dans le constructeur d'un fils concret avec super.
     public AbstractGame(IBoard b, EnumMap<Player,AbstractGamePlayer> m){
-        this.currentBoard=b;
-        this.mapPlayers=m;
+	this.currentBoard=b;
+	this.mapPlayers=m;
     }
 
     /**

javaAPI/fr/iut_fbleau/HexGame/HexBoard.java

@@ -308,4 +308,10 @@ public class HexBoard extends AbstractBoard {
         sb.append("Current player: ").append(getCurrentPlayer()).append("\n");
         return sb.toString();
     }
+
+
+    public Player getCellPlayer(int r, int c) {
+    return cells[r][c];
+    }
+
 }

javaAPI/fr/iut_fbleau/HexGame/HexFrame.java

@@ -0,0 +1,52 @@
+package fr.iut_fbleau.HexGame;
+
+import fr.iut_fbleau.GameAPI.Player;
+import fr.iut_fbleau.GameAPI.Result;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class HexFrame {
+
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(() -> {
+            int size = 11;
+            if (args.length >= 1) {
+                try { size = Integer.parseInt(args[0]); } catch (NumberFormatException ignored) {}
+            }
+
+            HexBoard board = new HexBoard(size);
+
+            JFrame frame = new JFrame("Hex - " + size + "x" + size);
+            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+            frame.setLayout(new BorderLayout());
+
+            JLabel statusLabel = new JLabel("", SwingConstants.CENTER);
+            statusLabel.setFont(statusLabel.getFont().deriveFont(Font.BOLD, 18f));
+            statusLabel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
+
+            HexPanel panel = new HexPanel(board, statusLabel);
+
+            frame.add(statusLabel, BorderLayout.NORTH);
+            frame.add(panel, BorderLayout.CENTER);
+
+            // Taille confortable
+            frame.pack();
+            frame.setLocationRelativeTo(null);
+            frame.setVisible(true);
+
+            // Message initial
+            updateStatus(board, statusLabel);
+        });
+    }
+
+    static void updateStatus(HexBoard board, JLabel statusLabel) {
+        if (board.isGameOver()) {
+            Result r = board.getResult(); // résultat du point de vue PLAYER1
+            Player winner = (r == Result.WIN) ? Player.PLAYER1 : Player.PLAYER2;
+            statusLabel.setText("" + winner + " a gagné !");
+        } else {
+            statusLabel.setText("C'est à " + board.getCurrentPlayer() + " de jouer");
+        }
+    }
+}

javaAPI/fr/iut_fbleau/HexGame/HexMain.java

@@ -1,6 +1,7 @@
 package fr.iut_fbleau.HexGame;
 
 import fr.iut_fbleau.GameAPI.*;
+
 import java.util.EnumMap;
 import java.util.Scanner;
 
@@ -18,19 +19,12 @@ public class HexMain {
         HexBoard board = new HexBoard(size);
 
         Scanner sc = new Scanner(System.in);
-        Result res;
         EnumMap<Player, AbstractGamePlayer> players = new EnumMap<>(Player.class);
         players.put(Player.PLAYER1, new HumanConsolePlayer(Player.PLAYER1, sc));
         players.put(Player.PLAYER2, new HumanConsolePlayer(Player.PLAYER2, sc));
 
-
-        if (args.length>=2 && args[1].equals("autoplay")) {
-            Simulation sim = new Simulation(board, players);
-            res = sim.run(); 
-        } else {
-            AbstractGame game = new AbstractGame(board, players) {};
-            res = game.run();
-        }
+        AbstractGame game = new AbstractGame(board, players) {};
+        Result res = game.run();
 
         System.out.println(board);
         System.out.println("Résultat (du point de vue de PLAYER1) : " + res);

javaAPI/fr/iut_fbleau/HexGame/HexPanel.java

@@ -0,0 +1,166 @@
+package fr.iut_fbleau.HexGame;
+
+import fr.iut_fbleau.GameAPI.Player;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.geom.Path2D;
+
+/**
+ * Panel Swing qui dessine un plateau Hex en hexagones et gère les clics.
+ *
+ * Grille "flat-top" (hexagones à sommet plat en haut),
+ * avec décalage vertical d'une demi-hauteur une colonne sur deux.
+ */
+public class HexPanel extends JPanel {
+
+    private final HexBoard board;
+    private final JLabel statusLabel;
+
+    // Rayon (distance centre -> sommet)
+    private final int s = 26;
+    private final int margin = 40;
+    // pointy-top : largeur = sqrt(3)*s, hauteur = 2*s
+    private final double hexW = Math.sqrt(3) * s;
+    private final double hexVStep = 1.5 * s; // distance verticale entre centres
+
+
+    private Shape[][] hexShapes;
+
+    public HexPanel(HexBoard board, JLabel statusLabel) {
+        this.board = board;
+        this.statusLabel = statusLabel;
+        this.hexShapes = new Shape[board.getSize()][board.getSize()];
+
+        setBackground(Color.WHITE);
+
+        addMouseListener(new MouseAdapter() {
+            @Override
+            public void mouseClicked(MouseEvent e) {
+                handleClick(e.getX(), e.getY());
+            }
+        });
+    }
+
+    @Override
+    public Dimension getPreferredSize() {
+        int n = board.getSize();
+
+        // largeur : n * hexW + décalage max (hexW/2) + marges
+        int w = margin * 2 + (int) (n * hexW + hexW / 2);
+
+        // hauteur : (n-1)*1.5*s + 2*s + marges
+        int h = margin * 2 + (int) ((n - 1) * hexVStep + 2 * s);
+
+        return new Dimension(w, h);
+    }
+
+
+    private void handleClick(int x, int y) {
+        if (board.isGameOver()) return;
+
+        int n = board.getSize();
+        for (int row = 0; row < n; row++) {
+            for (int col = 0; col < n; col++) {
+                Shape sh = hexShapes[row][col];
+                if (sh != null && sh.contains(x, y)) {
+                    HexPly ply = new HexPly(board.getCurrentPlayer(), row, col);
+                    if (board.isLegal(ply)) {
+                        board.doPly(ply);
+                        HexFrame.updateStatus(board, statusLabel);
+                        repaint();
+                    } else {
+                        Toolkit.getDefaultToolkit().beep();
+                    }
+                    return;
+                }
+            }
+        }
+    }
+
+    @Override
+    protected void paintComponent(Graphics g) {
+        super.paintComponent(g);
+
+        Graphics2D g2 = (Graphics2D) g.create();
+        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+
+        // Bordures objectifs (bleu gauche/droite, rouge haut/bas)
+        drawGoalBorders(g2);
+
+        int n = board.getSize();
+
+        // IMPORTANT : boucles cohérentes -> row puis col
+        for (int row = 0; row < n; row++) {
+            for (int col = 0; col < n; col++) {
+
+                Shape hex = createHexShape(row, col);
+                hexShapes[row][col] = hex;
+
+                Player p = board.getCellPlayer(row, col);
+                g2.setColor(colorForCell(p));
+                g2.fill(hex);
+
+                g2.setColor(new Color(120, 120, 120));
+                g2.setStroke(new BasicStroke(1.2f));
+                g2.draw(hex);
+            }
+        }
+
+        g2.dispose();
+    }
+
+    private Color colorForCell(Player p) {
+        if (p == Player.PLAYER1) return new Color(30, 90, 160); // bleu
+        if (p == Player.PLAYER2) return new Color(220, 50, 50); // rouge
+        return new Color(190, 190, 190); // gris
+    }
+
+    /**
+    * Pointy-top + décalage par ligne :
+    *
+    * centreX = margin + hexW/2 + col*hexW + (row%2)*(hexW/2)
+    * centreY = margin + s + row*(1.5*s)
+    */
+    private Shape createHexShape(int row, int col) {
+        double cx = margin + (hexW / 2.0) + col * hexW + ((row % 2) * (hexW / 2.0));
+        double cy = margin + s + row * hexVStep;
+
+        Path2D.Double path = new Path2D.Double();
+        for (int i = 0; i < 6; i++) {
+            double angle = Math.toRadians(i * 60); // pointy-top
+            double x = cx + s * Math.cos(angle);
+            double y = cy + s * Math.sin(angle);
+            if (i == 0) path.moveTo(x, y);
+            else path.lineTo(x, y);
+        }
+        path.closePath();
+        return path;
+    }
+
+
+    private void drawGoalBorders(Graphics2D g2) {
+        int n = board.getSize();
+
+        double leftX = margin - 12;
+        double rightX = margin + (hexW / 2.0) + (n - 1) * hexW + (hexW / 2.0) + (hexW / 2.0) + 12;
+        // explication: largeur n colonnes + potentiel décalage d'une demi-largeur
+
+        double topY = margin - 12;
+        double bottomY = margin + s + (n - 1) * hexVStep + s + 12;
+
+        g2.setStroke(new BasicStroke(6f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
+
+        // Bleu: gauche / droite (objectif PLAYER1)
+        g2.setColor(new Color(30, 90, 160));
+        g2.drawLine((int) leftX, (int) topY, (int) leftX, (int) bottomY);
+        g2.drawLine((int) rightX, (int) topY, (int) rightX, (int) bottomY);
+
+        // Rouge: haut / bas (objectif PLAYER2)
+        g2.setColor(new Color(220, 50, 50));
+        g2.drawLine((int) leftX, (int) topY, (int) rightX, (int) topY);
+        g2.drawLine((int) leftX, (int) bottomY, (int) rightX, (int) bottomY);
+    }
+}

javaAPI/fr/iut_fbleau/HexGame/HexSimMain.java

@@ -0,0 +1,204 @@
+package fr.iut_fbleau.HexGame;
+
+import fr.iut_fbleau.GameAPI.*;
+
+import java.io.BufferedWriter;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.EnumMap;
+import java.util.Random;
+
+/**
+ * Lance un grand nombre de parties Hex entre 2 bots aléatoires et affiche des stats.
+ *
+ * Exemples :
+ *   java fr.iut_fbleau.HexGame.HexSimMain
+ *   java fr.iut_fbleau.HexGame.HexSimMain --games 10000 --size 7 --seed 123
+ *   java fr.iut_fbleau.HexGame.HexSimMain --games 5000 --size 11 --csv results.csv
+ */
+public class HexSimMain {
+
+    private static class Stats {
+        long win = 0;
+        long draw = 0;
+        long loss = 0;
+
+        long totalMoves = 0;
+        long minMoves = Long.MAX_VALUE;
+        long maxMoves = Long.MIN_VALUE;
+
+        void record(Result r, int moves) {
+            if (r == Result.WIN) win++;
+            else if (r == Result.DRAW) draw++;
+            else if (r == Result.LOSS) loss++;
+            totalMoves += moves;
+            minMoves = Math.min(minMoves, moves);
+            maxMoves = Math.max(maxMoves, moves);
+        }
+
+        long games() { return win + draw + loss; }
+
+        double winRate() { return games() == 0 ? 0.0 : (double) win / games(); }
+        double drawRate() { return games() == 0 ? 0.0 : (double) draw / games(); }
+        double lossRate() { return games() == 0 ? 0.0 : (double) loss / games(); }
+        double avgMoves() { return games() == 0 ? 0.0 : (double) totalMoves / games(); }
+
+        @Override
+        public String toString() {
+            StringBuilder sb = new StringBuilder();
+            sb.append("Games: ").append(games()).append("\n");
+            sb.append("WIN:  ").append(win).append(String.format(" (%.2f%%)\n", 100.0 * winRate()));
+            sb.append("DRAW: ").append(draw).append(String.format(" (%.2f%%)\n", 100.0 * drawRate()));
+            sb.append("LOSS: ").append(loss).append(String.format(" (%.2f%%)\n", 100.0 * lossRate()));
+            sb.append(String.format("Moves: avg=%.2f, min=%d, max=%d\n", avgMoves(), minMoves, maxMoves));
+            return sb.toString();
+        }
+    }
+
+    private static class Args {
+        int size = 7;
+        int games = 1000;
+        long seed = System.currentTimeMillis();
+        int progressEvery = 0;     // 0 = pas de progress
+        String csvPath = null;     // si non null, export par partie
+    }
+
+    public static void main(String[] args) {
+        Args a = parseArgs(args);
+
+        System.out.println("Hex random-vs-random simulation");
+        System.out.println("  size=" + a.size + " games=" + a.games + " seed=" + a.seed +
+                (a.csvPath != null ? " csv=" + a.csvPath : ""));
+
+        Random master = new Random(a.seed);
+        Stats stats = new Stats();
+
+        BufferedWriter csv = null;
+        try {
+            if (a.csvPath != null) {
+                csv = new BufferedWriter(new FileWriter(a.csvPath));
+                csv.write("game_index,result_p1,moves\n");
+            }
+
+            for (int i = 0; i < a.games; i++) {
+                // Nouveau plateau, nouveaux bots (seeds dérivés du seed principal)
+                HexBoard board = new HexBoard(a.size);
+
+                EnumMap<Player, AbstractGamePlayer> players = new EnumMap<>(Player.class);
+                players.put(Player.PLAYER1, new RandomBot(Player.PLAYER1, new Random(master.nextLong())));
+                players.put(Player.PLAYER2, new RandomBot(Player.PLAYER2, new Random(master.nextLong())));
+
+                int moves = runOneGame(board, players);
+
+                Result res = board.getResult();
+                stats.record(res, moves);
+
+                if (csv != null) {
+                    csv.write(i + "," + res + "," + moves + "\n");
+                }
+
+                if (a.progressEvery > 0 && (i + 1) % a.progressEvery == 0) {
+                    System.out.println("Progress: " + (i + 1) + "/" + a.games);
+                }
+            }
+
+            System.out.println("\n=== SUMMARY (Result is from PLAYER1 perspective) ===");
+            System.out.println(stats);
+
+        } catch (IOException e) {
+            System.err.println("I/O error: " + e.getMessage());
+            e.printStackTrace();
+        } finally {
+            if (csv != null) {
+                try { csv.close(); } catch (IOException ignored) {}
+            }
+        }
+    }
+
+    /**
+     * Boucle de jeu (même logique que AbstractGame.run, mais on compte les coups).
+     * On ne modifie pas GameAPI.
+     */
+    private static int runOneGame(IBoard board, EnumMap<Player, AbstractGamePlayer> players) {
+        int moves = 0;
+        int guardMaxMoves = ((HexBoard) board).getSize() * ((HexBoard) board).getSize(); // au pire : plateau rempli
+
+        while (!board.isGameOver()) {
+            AbstractGamePlayer p = players.get(board.getCurrentPlayer());
+            IBoard safe = board.safeCopy();
+            AbstractPly ply = p.giveYourMove(safe);
+
+            if (!board.isLegal(ply)) {
+                throw new IllegalStateException("Illegal move: " + ply + " by " + board.getCurrentPlayer());
+            }
+            board.doPly(ply);
+            moves++;
+
+            if (moves > guardMaxMoves) {
+                throw new IllegalStateException("Too many moves (" + moves + "), something is wrong.");
+            }
+        }
+        return moves;
+    }
+
+    private static Args parseArgs(String[] args) {
+        Args a = new Args();
+        for (int i = 0; i < args.length; i++) {
+            String s = args[i];
+            switch (s) {
+                case "--size":
+                    a.size = Integer.parseInt(nextArg(args, ++i, "--size requires a value"));
+                    break;
+                case "--games":
+                    a.games = Integer.parseInt(nextArg(args, ++i, "--games requires a value"));
+                    break;
+                case "--seed":
+                    a.seed = Long.parseLong(nextArg(args, ++i, "--seed requires a value"));
+                    break;
+                case "--progress":
+                    a.progressEvery = Integer.parseInt(nextArg(args, ++i, "--progress requires a value"));
+                    break;
+                case "--csv":
+                    a.csvPath = nextArg(args, ++i, "--csv requires a value");
+                    break;
+                case "--help":
+                case "-h":
+                    printHelpAndExit();
+                    break;
+                default:
+                    // compat: si l'utilisateur donne juste un nombre, on l'interprète comme size ou games
+                    // ex: "7 10000"
+                    if (isInt(s)) {
+                        int v = Integer.parseInt(s);
+                        if (a.size == 7) a.size = v;
+                        else a.games = v;
+                    } else {
+                        System.err.println("Unknown arg: " + s);
+                        printHelpAndExit();
+                    }
+            }
+        }
+        return a;
+    }
+
+    private static String nextArg(String[] args, int idx, String errMsg) {
+        if (idx < 0 || idx >= args.length) throw new IllegalArgumentException(errMsg);
+        return args[idx];
+    }
+
+    private static boolean isInt(String s) {
+        try { Integer.parseInt(s); return true; } catch (NumberFormatException e) { return false; }
+    }
+
+    private static void printHelpAndExit() {
+        System.out.println("Usage: java fr.iut_fbleau.HexGame.HexSimMain [options]\n" +
+                "Options:\n" +
+                "  --size N       Board size (default 7)\n" +
+                "  --games N      Number of games (default 1000)\n" +
+                "  --seed N       Random seed (default current time)\n" +
+                "  --progress N   Print progress every N games (default 0)\n" +
+                "  --csv FILE     Write per-game results to CSV\n" +
+                "  -h, --help     Show this help\n");
+        System.exit(0);
+    }
+}

javaAPI/fr/iut_fbleau/HexGame/RandomBot.java

@@ -0,0 +1,44 @@
+package fr.iut_fbleau.HexGame;
+
+import fr.iut_fbleau.GameAPI.AbstractGamePlayer;
+import fr.iut_fbleau.GameAPI.AbstractPly;
+import fr.iut_fbleau.GameAPI.IBoard;
+import fr.iut_fbleau.GameAPI.Player;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Bot non intelligent : joue un coup légal au hasard.
+ */
+public class RandomBot extends AbstractGamePlayer {
+
+    private final Random rng;
+
+    public RandomBot(Player me, Random rng) {
+        super(me);
+        this.rng = rng;
+    }
+
+    public RandomBot(Player me, long seed) {
+        this(me, new Random(seed));
+    }
+
+    @Override
+    public AbstractPly giveYourMove(IBoard board) {
+        // On récupère tous les coups légaux via l'itérateur fourni par le plateau.
+        List<AbstractPly> legal = new ArrayList<>();
+        Iterator<AbstractPly> it = board.iterator();
+        while (it.hasNext()) {
+            legal.add(it.next());
+        }
+
+        if (legal.isEmpty()) {
+            throw new IllegalStateException("No legal move available (board is full?)");
+        }
+
+        return legal.get(rng.nextInt(legal.size()));
+    }
+}

javaAPI/fr/iut_fbleau/HexGame/Simulation.java

@@ -1,271 +0,0 @@
-package fr.iut_fbleau.HexGame;
-
-import fr.iut_fbleau.GameAPI.*;
-import java.util.EnumMap;
-import java.util.LinkedList;
-
-
-public class Simulation extends AbstractGame {
-
-    //ATTRIBUTS
-    private HexPly bestmove;
-    private float bestoutcome;
-    private int MAXDEPTH = 9;
-    private int EVALDEPTH = 10;
-    private LinkedList<Integer[]> taken = new LinkedList<Integer[]>();
-
-    //ATTRIBUTS QUE JE NE VOUDRAIS PAS CRÉER IDÉALEMENT
-    private IBoard simCurrentBoard;
-    private EnumMap<Player, AbstractGamePlayer> simmapPlayers;
-
-    //CONSTRUCTEUR
-    public Simulation(IBoard b, EnumMap<Player,AbstractGamePlayer> m){
-        super(b, m);
-        simCurrentBoard = b;
-        simmapPlayers = m;
-    }
-
-    //METHODES
-    /*Le jeu de Hex ne peut jamais finir avec le résultat null. En utilisant cette propriété, on peut avoir cet algorithme simplifié du monte-carlo*/
-    private float MonteCarlo(HexBoard position){
-        RandomBot simplay = new RandomBot();
-        HexBoard simpos = position.safeCopy(); 
-        LinkedList<Integer[]> ctaken = taken;
-        HexPly testmove;
-        float wins = 0;
-        float losses = 0;
-
-        for(int i=0; i<EVALDEPTH; i++){
-            while(!simpos.isGameOver()){
-                testmove = (HexPly) simplay.giveYourMove(simpos);
-                if(!ctaken.contains(t) && simpos.isLegal(testmove)){
-                    ctaken.add(new Integer[]{testmove.getRow(), testmove.getCol()});
-                    simpos.doPly(testmove);
-                    if(simpos.getResult()==Result.LOSS){
-                        losses++;
-                    } else if(simpos.getResult()==Result.WIN){
-                        wins++;
-                    }
-                }
-            }
-            simpos = position.safeCopy();
-            ctaken = taken;
-        }
-
-        if(wins>=losses){
-            return losses/wins;
-        } else {
-            return -(wins/losses);
-        }
-
-    }
-
-    private float explMAX(HexBoard position, int depth){
-        if (position.getResult()==Result.LOSS) {
-            return -1.0f;
-        } else if (position.getResult()==Result.WIN){
-            return 1.0f;
-        } else if (depth==MAXDEPTH) {
-            return MonteCarlo(position);
-        } else {
-                float bestcase = -1.0f;
-                HexPly bestcasemove;
-                HexPly testmove;
-                for (int i=0; i<position.getSize(); i++) {
-                        for (int j=0; j<position.getSize(); j++) {
-                                if(depth==0){
-                                    //System.out.println("MAX New Line :");
-                                }
-                                Integer[] t = new Integer[]{i, j}; 
-                                testmove = new HexPly(Player.PLAYER1, i, j);
-                                if(!taken.contains(t) && position.isLegal(testmove)){
-                                        //System.out.println("  MAX test move : "+Integer.toString(i)+","+Integer.toString(j));
-                                        taken.add(t);
-                                        position.doPly(testmove);
-                                        float val = explMIN(position, depth+1);  
-                                        if (val >= bestcase) {
-                                                //System.out.println("     MAX new best case");
-                                                bestcase = val;
-                                                bestcasemove = testmove;
-                                                if (depth==0) {
-                                                    this.bestoutcome = bestcase;
-                                                    this.bestmove = bestcasemove;
-                                                }
-                                        }
-                                        position.undoPly();
-                                        taken.remove(t);
-                                }
-                        }
-                }
-                return bestcase;
-        }
-    }
-
-
-    private float explMIN(HexBoard position, int depth){
-        if (position.getResult()==Result.LOSS) {
-            return -1.0f;
-        } else if (position.getResult()==Result.WIN){
-            return 1.0f;
-        } else if (depth==MAXDEPTH) {
-            return MonteCarlo(position);
-        } else {
-                float bestcase = 1.0f;
-                HexPly bestcasemove;
-                HexPly testmove;
-                for (int i=0; i<position.getSize(); i++) {
-                        for (int j=0; j<position.getSize(); j++) {
-                                if(depth==0){
-                                    //System.out.println("MIN New Line :");
-                                }
-                                Integer[] t = new Integer[]{i, j}; 
-                                testmove = new HexPly(Player.PLAYER2, i, j);
-                                if(!taken.contains(t) && position.isLegal(testmove)){
-                                        //System.out.println("  MIN test move : "+Integer.toString(i)+","+Integer.toString(j));
-                                        taken.add(t);
-                                        position.doPly(testmove);
-                                        float val = explMAX(position, depth+1);  
-                                        if (val <= bestcase) {
-                                                //System.out.println("     MIN new best case");
-                                                bestcase = val;
-                                                bestcasemove = testmove;
-                                                if (depth==0) {
-                                                    this.bestoutcome = bestcase;
-                                                    this.bestmove = bestcasemove;
-                                                }
-                                        }
-                                        
-                                        position.undoPly();
-                                        taken.remove(t);
-                                }
-                        }
-                }
-                return bestcase;
-        }
-    }
-
-    private float explMAXAB(HexBoard position, int depth, float A, float B){
-        if (position.getResult()==Result.LOSS) {
-            return -1.0f;
-        } else if (position.getResult()==Result.WIN){
-            return 1.0f;
-        } else if (depth==MAXDEPTH) {
-            return MonteCarlo(position);
-        } else {
-                float bestcase = A;
-                HexPly bestcasemove;
-                HexPly testmove;
-                for (int i=0; i<position.getSize(); i++) {
-                        for (int j=0; j<position.getSize(); j++) {
-                                if(depth==0){
-                                    //System.out.println("MAX New Line :");
-                                }
-                                Integer[] t = new Integer[]{i, j}; 
-                                testmove = new HexPly(Player.PLAYER1, i, j);
-                                if(!taken.contains(t) && position.isLegal(testmove)){
-                                        //System.out.println("  MAX test move : "+Integer.toString(i)+","+Integer.toString(j));
-                                        taken.add(t);
-                                        position.doPly(testmove);
-                                        float val = explMINAB(position, depth+1, bestcase, B);  
-                                        if (val >= bestcase) {
-                                                //System.out.println("     MAX new best case");
-                                                bestcase = val;
-                                                bestcasemove = testmove;
-                                                if (depth==0) {
-                                                    this.bestoutcome = bestcase;
-                                                    this.bestmove = bestcasemove;
-                                                }
-                                                if(bestcase>=B){
-                                                    return bestcase;
-                                                }
-                                        }
-                                        position.undoPly();
-                                        taken.remove(t);
-                                }
-                        }
-                }
-                return bestcase;
-        }
-    }
-
-    private float explMINAB(HexBoard position, int depth, A, B){
-        if (position.getResult()==Result.LOSS) {
-            return -1.0f;
-        } else if (position.getResult()==Result.WIN){
-            return 1.0f;
-        } else if (depth==MAXDEPTH) {
-            return MonteCarlo(position);
-        } else {
-                float bestcase = B;
-                HexPly bestcasemove;
-                HexPly testmove;
-                for (int i=0; i<position.getSize(); i++) {
-                        for (int j=0; j<position.getSize(); j++) {
-                                if(depth==0){
-                                    //System.out.println("MIN New Line :");
-                                }
-                                Integer[] t = new Integer[]{i, j}; 
-                                testmove = new HexPly(Player.PLAYER2, i, j);
-                                if(!taken.contains(t) && position.isLegal(testmove)){
-                                        //System.out.println("  MIN test move : "+Integer.toString(i)+","+Integer.toString(j));
-                                        taken.add(t);
-                                        position.doPly(testmove);
-                                        float val = explMAXAB(position, depth+1, A, bestcase);  
-                                        if (val <= bestcase) {
-                                                //System.out.println("     MIN new best case");
-                                                bestcase = val;
-                                                bestcasemove = testmove;
-                                                if (depth==0) {
-                                                    this.bestoutcome = bestcase;
-                                                    this.bestmove = bestcasemove;
-                                                }
-                                                if(bestcase<=A){
-                                                    return bestcase;
-                                                }
-                                        }
-                                        
-                                        position.undoPly();
-                                        taken.remove(t);
-                                }
-                        }
-                }
-                return bestcase;
-        }
-    }
-       
-
-
-    private AbstractPly GiveBestMove(IBoard board) {
-        if (!(board instanceof HexBoard)) {
-            throw new IllegalArgumentException("Ce joueur attend un HexBoard.");
-        }
-        HexBoard hb = (HexBoard) board;
-        float bestcase;
-        if(hb.getCurrentPlayer()==Player.PLAYER1){
-            bestcase = explMAXAB(hb, 0, -1.0f, 1.0f);
-        } else {
-            bestcase = explMINAB(hb, 0, -1.0f, 1.0f);
-        }
-        return this.bestmove;
-    }
-
-    @Override
-    public Result run(){
-        while(!simCurrentBoard.isGameOver()) {
-            AbstractGamePlayer player = simmapPlayers.get(simCurrentBoard.getCurrentPlayer());
-            IBoard board = simCurrentBoard.safeCopy();
-            AbstractPly ply = GiveBestMove(board);
-            HexPly concretePly = (HexPly) ply;
-
-            if (simCurrentBoard.isLegal(ply)) {
-                simCurrentBoard.doPly(ply);
-                taken.add(new Integer[]{concretePly.getRow(), concretePly.getCol()});
-                System.out.println("Player "+player+" goes ("+concretePly.getRow()+","+concretePly.getCol()+")");
-            }
-            else throw new IllegalStateException("Player "+ player + " is a bloody cheat. He tried playing : "+concretePly.getRow()+","+concretePly.getCol()+" I give up.");
-        }
-	    return simCurrentBoard.getResult();
-    }
-
-    
-}