Refaire Undo

This commit is contained in:
Guillaume VALLAT 2024-10-09 14:19:22 +02:00
parent ee380deb0e
commit 8d5bc6b0a7
4 changed files with 154 additions and 1 deletions

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Nim.zip Normal file

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import java.util.Iterator;
import fr.iut_fbleau.raw_api_body.entity.*;
public class Main {
public static void main(String[] args) {
System.out.println("Hello world!");
PlateauNim jeu = new PlateauNim(5, Player.JOUEUR1);
jeu.doPly(new NimPly(2));
jeu.doPly(new NimPly(1));
jeu.doPly(new NimPly(1));
jeu.doPly(new NimPly(1));
if (jeu.isFinished()) {
int resultat = jeu.getResult();
if (resultat == Result.PERDU) {
System.out.println("Le joueur 1 a perdu !");
} else if (resultat == Result.GAGNE) {
System.out.println("Le joueur 1 a gagné !");
} else {
System.out.println("Égalité !");
}
}
else {
System.out.println("C'est pas fini : " + jeu.isFinished());
}
}
}

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package fr.iut_fbleau.raw_api_body.entity;
/**
* Represents a move in the Nim game.
*/
public class NimPly extends Ply {
private final int allumettes;
// Constructor to initialize the move with a number of allumettes to remove
public NimPly(int allumettes) {
this.allumettes = allumettes;
}
// Returns the number of allumettes removed
public int getallumettes() {
return allumettes;
}
@Override
public String toString() {
return "Remove " + allumettes + " allumettes.";
}
}

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package fr.iut_fbleau.raw_api_body.entity;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* Implements the Plateau interface for the game of Nim.
*/
public class PlateauNim implements Plateau {
private int allumettesRestantes; // Number of remaining allumettes
private Player currentPlayer; // Current player
private boolean gameFinished; // Game status
private int result; // Game result: 1 (win), 0 (draw), -1 (loss)
private List<Ply> playHistory; // History of moves
// Constructor initializes the game with a given number of allumettes and a starting player
public PlateauNim(int initialallumettes, Player startingPlayer) {
this.allumettesRestantes = initialallumettes;
this.currentPlayer = startingPlayer;
this.gameFinished = false;
this.result = 0;
this.playHistory = new ArrayList<>();
}
@Override
public Player getPlayer() {
if (gameFinished) {
throw new NullPointerException("Game is over.");
}
return this.currentPlayer;
}
@Override
public boolean isFinished() {
return this.gameFinished;
}
@Override
public int getResult() {
if (!gameFinished) {
throw new NullPointerException("Game is not over.");
}
return this.result;
}
@Override
public Iterator<Ply> givePlies() {
if (gameFinished) {
throw new NullPointerException("Game is over.");
}
// Generate legal moves (remove 1, 2, or 3 allumettes, but not more than remaining allumettes)
List<Ply> legalPlies = new ArrayList<>();
for (int i = 1; i <= Math.min(3, allumettesRestantes); i++) {
legalPlies.add(new NimPly(i));
}
return legalPlies.iterator();
}
@Override
public void doPly(Ply ply) {
if (!(ply instanceof NimPly)) {
throw new IllegalArgumentException("Invalid move type.");
}
NimPly nimPly = (NimPly) ply;
if (nimPly.getallumettes() < 1 || nimPly.getallumettes() > Math.min(3, allumettesRestantes)) {
throw new IllegalArgumentException("Invalid move.");
}
// Update the state
allumettesRestantes -= nimPly.getallumettes();
playHistory.add(nimPly);
// Check if game is finished
if (allumettesRestantes == 0) {
gameFinished = true;
if (this.currentPlayer == Player.JOUEUR1){
result = -1; // Player 2 Win
}
else{
result = 1; // Player 1 Win
}
} else {
// Switch players if game is not finished
currentPlayer = (currentPlayer == Player.JOUEUR1) ? Player.JOUEUR2 : Player.JOUEUR1;
}
}
@Override
public void undoPly(Ply ply) {
if (playHistory.isEmpty()) {
throw new IllegalStateException("No moves to undo.");
}
if (!playHistory.get(playHistory.size() - 1).equals(ply)) {
throw new IllegalStateException("Cannot undo a non-last move.");
}
// Revert the move
NimPly lastMove = (NimPly) playHistory.remove(playHistory.size() - 1);
allumettesRestantes += lastMove.getallumettes();
// Switch back to previous player
currentPlayer = (currentPlayer == Player.JOUEUR1) ? Player.JOUEUR2 : Player.JOUEUR1;
gameFinished = false; // If game was finished, it's no longer
}
}