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d8ea5cd958
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f207da0e2b
| Author | SHA1 | Date | |
|---|---|---|---|
| f207da0e2b | |||
| 22891ae2b6 |
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build/fr/iut_fbleau/GameAPI/AbstractBoard.class
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build/fr/iut_fbleau/GameAPI/AbstractBoard.class
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build/fr/iut_fbleau/GameAPI/AbstractGame.class
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build/fr/iut_fbleau/GameAPI/AbstractGame.class
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build/fr/iut_fbleau/GameAPI/AbstractGamePlayer.class
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build/fr/iut_fbleau/GameAPI/AbstractGamePlayer.class
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build/fr/iut_fbleau/GameAPI/AbstractPly.class
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build/fr/iut_fbleau/GameAPI/AbstractPly.class
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build/fr/iut_fbleau/GameAPI/IBoard.class
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build/fr/iut_fbleau/GameAPI/IBoard.class
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build/fr/iut_fbleau/GameAPI/Player.class
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build/fr/iut_fbleau/GameAPI/Player.class
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build/fr/iut_fbleau/GameAPI/Result.class
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build/fr/iut_fbleau/GameAPI/Result.class
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build/fr/iut_fbleau/HexGame/HexBoard.class
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build/fr/iut_fbleau/HexGame/HexBoard.class
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build/fr/iut_fbleau/HexGame/HexMain$1.class
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build/fr/iut_fbleau/HexGame/HexMain$1.class
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build/fr/iut_fbleau/HexGame/HexMain.class
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build/fr/iut_fbleau/HexGame/HexMain.class
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build/fr/iut_fbleau/HexGame/HexPly.class
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build/fr/iut_fbleau/HexGame/HexPly.class
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build/fr/iut_fbleau/HexGame/HumanConsolePlayer.class
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build/fr/iut_fbleau/HexGame/HumanConsolePlayer.class
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@@ -1,63 +1,154 @@
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package fr.iut_fbleau.HexGame;
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package fr.iut_fbleau.HexGame;
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import fr.iut_fbleau.GameAPI.*;
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import fr.iut_fbleau.GameAPI.*;
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import java.util.*;
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import java.util.ArrayDeque;
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import java.util.ArrayList;
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import java.util.Deque;
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import java.util.Iterator;
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import java.util.List;
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/**
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/**
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* Plateau du jeu de Hex.
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* Représente le plateau du jeu de Hex.
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*
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*
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* Joueur 1 relie la gauche et la droite.
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* <h2>Rappel des conditions de victoire</h2>
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* Joueur 2 relie le haut et le bas.
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* <ul>
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* <li>{@link Player#PLAYER1} gagne s'il existe un chemin de pions connectés
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* reliant le bord gauche au bord droit.</li>
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* <li>{@link Player#PLAYER2} gagne s'il existe un chemin de pions connectés
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* reliant le bord haut au bord bas.</li>
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* </ul>
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*
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* <h2>Idée de l'algorithme de détection de victoire</h2>
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* On modélise le plateau comme un graphe :
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* <ul>
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* <li>Chaque case est un sommet</li>
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* <li>Deux cases sont connectées si elles sont voisines sur la grille hexagonale (6 voisins)</li>
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* </ul>
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*
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* Pour tester la victoire d'un joueur, on lance un parcours (DFS/BFS) :
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* <ol>
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* <li>On part de toutes les cases du bord de départ qui contiennent un pion du joueur.</li>
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* <li>On explore tous les pions du joueur connectés à ces cases.</li>
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* <li>Si on atteint le bord opposé, il existe un chemin : le joueur gagne.</li>
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* </ol>
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*
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* Complexité : O(N²) au pire (on visite chaque case au plus une fois).
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*/
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*/
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public class HexBoard extends AbstractBoard {
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public class HexBoard extends AbstractBoard {
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/** Taille du plateau : size x size. */
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private final int size;
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private final int size;
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private Player[][] cells;
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private Deque<AbstractPly> historyLocal;
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/**
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* Grille des cases.
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* Une case vaut :
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* <ul>
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* <li>null : case vide</li>
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* <li>PLAYER1 : pion du joueur 1</li>
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* <li>PLAYER2 : pion du joueur 2</li>
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* </ul>
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*/
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private final Player[][] cells;
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/**
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* Offsets des 6 voisins d'une case dans une grille hexagonale.
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*
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* Pour une case (r,c), les voisins potentiels sont :
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* (r-1,c), (r+1,c), (r,c-1), (r,c+1), (r-1,c+1), (r+1,c-1).
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*/
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private static final int[][] NEIGHBORS = {
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private static final int[][] NEIGHBORS = {
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{-1, 0}, {+1, 0},
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{-1, 0}, {+1, 0},
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{ 0, -1}, { 0, +1},
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{ 0, -1}, { 0, +1},
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{-1, +1}, {+1, -1}
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{-1, +1}, {+1, -1}
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};
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};
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/** Crée un plateau vide avec {@link Player#PLAYER1} qui commence. */
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public HexBoard(int size) {
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public HexBoard(int size) {
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super();
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this(size, Player.PLAYER1);
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this.size = size;
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this.cells = new Player[size][size];
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this.historyLocal = new ArrayDeque<>();
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this.currentPlayer = Player.PLAYER1;
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}
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}
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/**
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* Constructeur interne, utile pour {@link #safeCopy()}.
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* @param size taille du plateau
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* @param current joueur courant
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*/
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private HexBoard(int size, Player current) {
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super(current, new ArrayDeque<>());
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if (size <= 0) throw new IllegalArgumentException("size must be > 0");
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this.size = size;
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this.cells = new Player[size][size];
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}
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/** @return la taille du plateau. */
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public int getSize() {
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return size;
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}
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/**
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* Vérifie si (r,c) est dans le plateau.
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* @param r ligne (0..size-1)
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* @param c colonne (0..size-1)
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*/
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private boolean inBounds(int r, int c) {
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private boolean inBounds(int r, int c) {
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return r >= 0 && r < size && c >= 0 && c < size;
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return r >= 0 && r < size && c >= 0 && c < size;
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}
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}
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/** @return le contenu d'une case (null si vide). */
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private Player getCell(int r, int c) {
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private Player getCell(int r, int c) {
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return cells[r][c];
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return cells[r][c];
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}
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}
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/** Modifie une case (utilisé par doPly/undoPly). */
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private void setCell(int r, int c, Player p) {
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private void setCell(int r, int c, Player p) {
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cells[r][c] = p;
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cells[r][c] = p;
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}
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}
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/**
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* Teste la victoire de PLAYER1 (gauche -> droite).
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*
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* <h3>Détails de l'algorithme</h3>
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* <ol>
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* <li>On initialise une structure "visited" pour ne pas revisiter les cases.</li>
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* <li>On met dans une pile toutes les cases du bord gauche (colonne 0)
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* qui contiennent un pion PLAYER1.</li>
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* <li>On effectue un DFS :
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* <ul>
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* <li>on dépile une case</li>
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* <li>si elle est sur la colonne size-1 : on a touché le bord droit -> victoire</li>
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* <li>sinon, on empile tous ses voisins qui sont des pions PLAYER1 et pas encore visités</li>
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* </ul>
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* </li>
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* </ol>
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*
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* @return true si PLAYER1 a un chemin gauche->droite, false sinon
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*/
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private boolean hasPlayer1Won() {
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private boolean hasPlayer1Won() {
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boolean[][] visited = new boolean[size][size];
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boolean[][] visited = new boolean[size][size];
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Deque<int[]> stack = new ArrayDeque<>();
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Deque<int[]> stack = new ArrayDeque<>();
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// 1) points de départ : bord gauche
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for (int r = 0; r < size; r++) {
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for (int r = 0; r < size; r++) {
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if (getCell(r, 0) == Player.PLAYER1) {
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if (getCell(r, 0) == Player.PLAYER1) {
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visited[r][0] = true;
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visited[r][0] = true;
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stack.push(new int[]{r, 0});
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stack.push(new int[]{r, 0});
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}
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}
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}
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}
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// 2) DFS
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while (!stack.isEmpty()) {
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while (!stack.isEmpty()) {
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int[] cur = stack.pop();
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int[] cur = stack.pop();
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int cr = cur[0];
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int cr = cur[0], cc = cur[1];
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int cc = cur[1];
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// condition d'arrivée : bord droit
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if (cc == size - 1) return true;
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if (cc == size - 1) return true;
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// explore les 6 voisins
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for (int[] d : NEIGHBORS) {
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for (int[] d : NEIGHBORS) {
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int nr = cr + d[0], nc = cc + d[1];
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int nr = cr + d[0], nc = cc + d[1];
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if (inBounds(nr, nc) && !visited[nr][nc] && getCell(nr, nc) == Player.PLAYER1) {
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if (inBounds(nr, nc)
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&& !visited[nr][nc]
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&& getCell(nr, nc) == Player.PLAYER1) {
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visited[nr][nc] = true;
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visited[nr][nc] = true;
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stack.push(new int[]{nr, nc});
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stack.push(new int[]{nr, nc});
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}
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}
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@@ -66,23 +157,42 @@ public class HexBoard extends AbstractBoard {
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return false;
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return false;
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}
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}
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/**
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* Teste la victoire de PLAYER2 (haut -> bas).
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*
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* Même principe que {@link #hasPlayer1Won()} mais :
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* <ul>
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* <li>Départ : bord haut (ligne 0)</li>
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* <li>Arrivée : bord bas (ligne size-1)</li>
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* </ul>
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*
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* @return true si PLAYER2 a un chemin haut->bas, false sinon
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*/
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private boolean hasPlayer2Won() {
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private boolean hasPlayer2Won() {
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boolean[][] visited = new boolean[size][size];
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boolean[][] visited = new boolean[size][size];
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Deque<int[]> stack = new ArrayDeque<>();
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Deque<int[]> stack = new ArrayDeque<>();
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// points de départ : bord haut
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for (int c = 0; c < size; c++) {
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for (int c = 0; c < size; c++) {
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if (getCell(0, c) == Player.PLAYER2) {
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if (getCell(0, c) == Player.PLAYER2) {
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visited[0][c] = true;
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visited[0][c] = true;
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stack.push(new int[]{0, c});
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stack.push(new int[]{0, c});
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}
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}
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}
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}
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// DFS
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while (!stack.isEmpty()) {
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while (!stack.isEmpty()) {
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int[] cur = stack.pop();
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int[] cur = stack.pop();
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int cr = cur[0];
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int cr = cur[0], cc = cur[1];
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int cc = cur[1];
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// condition d'arrivée : bord bas
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if (cr == size - 1) return true;
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if (cr == size - 1) return true;
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for (int[] d : NEIGHBORS) {
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for (int[] d : NEIGHBORS) {
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int nr = cr + d[0], nc = cc + d[1];
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int nr = cr + d[0], nc = cc + d[1];
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if (inBounds(nr, nc) && !visited[nr][nc] && getCell(nr, nc) == Player.PLAYER2) {
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if (inBounds(nr, nc)
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&& !visited[nr][nc]
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&& getCell(nr, nc) == Player.PLAYER2) {
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visited[nr][nc] = true;
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visited[nr][nc] = true;
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stack.push(new int[]{nr, nc});
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stack.push(new int[]{nr, nc});
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}
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}
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@@ -98,18 +208,50 @@ public class HexBoard extends AbstractBoard {
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int r = hp.getRow(), c = hp.getCol();
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int r = hp.getRow(), c = hp.getCol();
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return inBounds(r, c)
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return inBounds(r, c)
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&& getCell(r, c) == null
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&& getCell(r, c) == null
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&& hp.getPlayer() == this.getCurrentPlayer();
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&& hp.getPlayer() == getCurrentPlayer();
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}
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/**
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* Teste si un coup est immédiatement gagnant.
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*
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* On joue le coup, on teste la victoire, puis on annule le coup.
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* Cela permet d'évaluer un coup sans modifier définitivement l'état du plateau.
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*
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* @param move coup à tester
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* @return true si après ce coup le joueur a gagné, false sinon
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*/
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public boolean isWinningMove(AbstractPly move) {
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if (!isLegal(move)) return false;
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Player p = move.getPlayer();
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doPly(move);
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boolean winNow = (p == Player.PLAYER1) ? hasPlayer1Won() : hasPlayer2Won();
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undoPly();
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return winNow;
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}
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}
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@Override
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@Override
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public void doPly(AbstractPly move) {
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public void doPly(AbstractPly move) {
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if (!(move instanceof HexPly))
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if (!(move instanceof HexPly)) {
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throw new IllegalArgumentException("Coup invalide: " + move);
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throw new IllegalArgumentException("Coup invalide: " + move);
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}
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if (!isLegal(move)) {
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throw new IllegalStateException("Coup illégal: " + move);
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}
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HexPly hp = (HexPly) move;
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HexPly hp = (HexPly) move;
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if (!isLegal(hp))
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throw new IllegalStateException("Coup illégal: " + hp);
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setCell(hp.getRow(), hp.getCol(), hp.getPlayer());
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setCell(hp.getRow(), hp.getCol(), hp.getPlayer());
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historyLocal.push(hp);
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addPlyToHistory(move);
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setNextPlayer();
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}
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@Override
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public void undoPly() {
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AbstractPly last = removePlyFromHistory();
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HexPly hp = (HexPly) last;
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setCell(hp.getRow(), hp.getCol(), null);
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setNextPlayer();
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setNextPlayer();
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}
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}
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@@ -120,46 +262,32 @@ public class HexBoard extends AbstractBoard {
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@Override
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@Override
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public Result getResult() {
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public Result getResult() {
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if (hasPlayer1Won()) return Result.WIN;
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if (!isGameOver()) return null;
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if (hasPlayer2Won()) return Result.LOSS;
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if (hasPlayer1Won()) return Result.WIN; // du point de vue PLAYER1
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return Result.DRAW;
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return Result.LOSS;
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}
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}
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@Override
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@Override
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public Iterator<AbstractPly> getPlies() {
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public Iterator<AbstractPly> iterator() {
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Player me = this.getCurrentPlayer();
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Player me = getCurrentPlayer();
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List<AbstractPly> moves = new ArrayList<>();
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List<AbstractPly> moves = new ArrayList<>();
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|
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for (int r = 0; r < size; r++) {
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for (int r = 0; r < size; r++) {
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for (int c = 0; c < size; c++) {
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for (int c = 0; c < size; c++) {
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if (getCell(r, c) == null) moves.add(new HexPly(me, r, c));
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if (getCell(r, c) == null) {
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moves.add(new HexPly(me, r, c));
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||||||
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}
|
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}
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}
|
||||||
}
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}
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||||||
return moves.iterator();
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return moves.iterator();
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||||||
}
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}
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||||||
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|
||||||
@Override
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|
||||||
public Iterator<AbstractPly> getHistory() {
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|
||||||
return historyLocal.iterator();
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|
||||||
}
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|
||||||
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|
||||||
@Override
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|
||||||
public void undoLastPly() {
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|
||||||
if (historyLocal.isEmpty()) return;
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|
||||||
HexPly last = (HexPly) historyLocal.pop();
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|
||||||
setCell(last.getRow(), last.getCol(), null);
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|
||||||
this.currentPlayer = last.getPlayer();
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|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
@Override
|
||||||
public IBoard safeCopy() {
|
public IBoard safeCopy() {
|
||||||
HexBoard copy = new HexBoard(this.size);
|
HexBoard copy = new HexBoard(this.size, this.getCurrentPlayer());
|
||||||
copy.currentPlayer = this.currentPlayer;
|
|
||||||
for (int r = 0; r < size; r++) {
|
for (int r = 0; r < size; r++) {
|
||||||
for (int c = 0; c < size; c++) {
|
System.arraycopy(this.cells[r], 0, copy.cells[r], 0, size);
|
||||||
copy.cells[r][c] = this.cells[r][c];
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
copy.historyLocal = new ArrayDeque<>(this.historyLocal);
|
|
||||||
return copy;
|
return copy;
|
||||||
}
|
}
|
||||||
|
|
||||||
@@ -180,8 +308,4 @@ public class HexBoard extends AbstractBoard {
|
|||||||
sb.append("Current player: ").append(getCurrentPlayer()).append("\n");
|
sb.append("Current player: ").append(getCurrentPlayer()).append("\n");
|
||||||
return sb.toString();
|
return sb.toString();
|
||||||
}
|
}
|
||||||
|
|
||||||
public int getSize() {
|
|
||||||
return size;
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|||||||
34
javaAPI/fr/iut_fbleau/HexGame/HexMain.java
Normal file
34
javaAPI/fr/iut_fbleau/HexGame/HexMain.java
Normal file
@@ -0,0 +1,34 @@
|
|||||||
|
package fr.iut_fbleau.HexGame;
|
||||||
|
|
||||||
|
import fr.iut_fbleau.GameAPI.*;
|
||||||
|
|
||||||
|
import java.util.EnumMap;
|
||||||
|
import java.util.Scanner;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Lancement d'une partie de Hex en console.
|
||||||
|
*/
|
||||||
|
public class HexMain {
|
||||||
|
|
||||||
|
public static void main(String[] args) {
|
||||||
|
int size = 7;
|
||||||
|
if (args.length >= 1) {
|
||||||
|
try { size = Integer.parseInt(args[0]); } catch (NumberFormatException ignored) {}
|
||||||
|
}
|
||||||
|
|
||||||
|
HexBoard board = new HexBoard(size);
|
||||||
|
|
||||||
|
Scanner sc = new Scanner(System.in);
|
||||||
|
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));
|
||||||
|
|
||||||
|
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);
|
||||||
|
|
||||||
|
sc.close();
|
||||||
|
}
|
||||||
|
}
|
||||||
68
javaAPI/fr/iut_fbleau/HexGame/HumanConsolePlayer.java
Normal file
68
javaAPI/fr/iut_fbleau/HexGame/HumanConsolePlayer.java
Normal file
@@ -0,0 +1,68 @@
|
|||||||
|
package fr.iut_fbleau.HexGame;
|
||||||
|
|
||||||
|
import fr.iut_fbleau.GameAPI.*;
|
||||||
|
|
||||||
|
import java.util.Scanner;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Joueur humain en console.
|
||||||
|
*
|
||||||
|
* Format attendu : "row col" (indices à partir de 0).
|
||||||
|
*/
|
||||||
|
public class HumanConsolePlayer extends AbstractGamePlayer {
|
||||||
|
|
||||||
|
private final Scanner in;
|
||||||
|
|
||||||
|
public HumanConsolePlayer(Player me, Scanner in) {
|
||||||
|
super(me);
|
||||||
|
this.in = in;
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public AbstractPly giveYourMove(IBoard board) {
|
||||||
|
if (!(board instanceof HexBoard)) {
|
||||||
|
throw new IllegalArgumentException("Ce joueur attend un HexBoard.");
|
||||||
|
}
|
||||||
|
HexBoard hb = (HexBoard) board;
|
||||||
|
|
||||||
|
while (true) {
|
||||||
|
System.out.println(hb);
|
||||||
|
System.out.print("Joueur " + board.getCurrentPlayer() + " - entrez un coup (row col) : ");
|
||||||
|
|
||||||
|
String line = in.nextLine().trim();
|
||||||
|
if (line.equalsIgnoreCase("quit") || line.equalsIgnoreCase("exit")) {
|
||||||
|
throw new IllegalStateException("Partie interrompue par l'utilisateur.");
|
||||||
|
}
|
||||||
|
if (line.equalsIgnoreCase("help")) {
|
||||||
|
System.out.println("Entrez deux entiers : row col (0 <= row,col < " + hb.getSize() + ")");
|
||||||
|
System.out.println("Commandes: help, quit");
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
String[] parts = line.split("\\s+");
|
||||||
|
if (parts.length != 2) {
|
||||||
|
System.out.println("Format invalide. Exemple: 3 4");
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
try {
|
||||||
|
int r = Integer.parseInt(parts[0]);
|
||||||
|
int c = Integer.parseInt(parts[1]);
|
||||||
|
HexPly ply = new HexPly(board.getCurrentPlayer(), r, c);
|
||||||
|
|
||||||
|
if (!hb.isLegal(ply)) {
|
||||||
|
System.out.println("Coup illégal (case occupée / hors plateau / mauvais joueur). Réessayez.");
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (hb.isWinningMove(ply)) {
|
||||||
|
System.out.println("Coup gagnant !");
|
||||||
|
}
|
||||||
|
|
||||||
|
return ply;
|
||||||
|
} catch (NumberFormatException e) {
|
||||||
|
System.out.println("Veuillez entrer deux entiers.");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user