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OOP_2B5_Project
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Save game

This commit is contained in:
Yash Shah 2025-05-21 22:01:32 +02:00
parent 27b23a3bca
commit a256cbfdc9
3 changed files with 162 additions and 94 deletions
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52
src/backend/Board.java
View File

@ -2,6 +2,7 @@
package backend; package backend;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.List;
public class Board { public class Board {
private int width; private int width;
@ -418,15 +419,60 @@ public class Board {
/* saving-loading feature :*/ /* saving-loading feature :*/
// in Board.java
/**
* @return each line representing one piece, plus a header:
* Line 0: width,height,turnNumber,turnWhite,enPassantX,enPassantY
* Lines 1–N: serialized Pieces
*/
public String[] toFileRep() { public String[] toFileRep() {
return null; List<String> lines = new ArrayList<>();
int epX = enPassantTarget == null ? -1 : enPassantTarget[0];
int epY = enPassantTarget == null ? -1 : enPassantTarget[1];
// header
lines.add(width + "," +
height + "," +
turnNumber + "," +
turnWhite + "," +
epX + "," + epY);
// pieces
for (Piece p : pieces) {
lines.add(p.toFileRep());
}
return lines.toArray(new String[0]);
} }
// in Board.java
public Board(String[] array) { public Board(String[] array) {
this.pieces = new ArrayList<>(); this.pieces = new ArrayList<>();
//TODO // parse header
String[] hdr = array[0].split(",");
this.width = Integer.parseInt(hdr[0]);
this.height = Integer.parseInt(hdr[1]);
this.turnNumber = Integer.parseInt(hdr[2]);
this.turnWhite = Boolean.parseBoolean(hdr[3]);
int epX = Integer.parseInt(hdr[4]);
int epY = Integer.parseInt(hdr[5]);
this.enPassantTarget = (epX >= 0 && epY >= 0) ? new int[]{epX, epY} : null;
// parse pieces
for (int i = 1; i < array.length; i++) {
Piece p = Piece.fromFileRep(array[i]);
this.pieces.add(p);
}
// clear other state
this.selected = null;
this.highlighted = new ArrayList<>();
this.moveHistory = new ArrayList<>();
} }
public Piece getPieceAt(int x, int y) { public Piece getPieceAt(int x, int y) {
for (Piece piece : pieces) { for (Piece piece : pieces) {

180
src/backend/Game.java
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@ -1,115 +1,113 @@
package backend; package backend;
import windowInterface.MyInterface; import windowInterface.MyInterface;
import java.nio.file.Path;
import java.nio.file.Files;
import java.nio.charset.StandardCharsets;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
public class Game extends Thread { public class Game extends Thread {
private AutoPlayer aiPlayer;
private Board board;
private MyInterface mjf;
private int COL_NUM = 8;
private int LINE_NUM = 8;
private int loopDelay = 250;
private boolean[] activationAIFlags;
private AutoPlayer aiPlayer; public Game(MyInterface mjfParam) {
private Board board; mjf = mjfParam;
board = new Board(COL_NUM, LINE_NUM);
activationAIFlags = new boolean[2];
aiPlayer = new AutoPlayer();
}
private MyInterface mjf; // ─── Save & load ───────────────────────────────────────────────────────
private int COL_NUM = 8; public void saveToFile(Path path) throws IOException {
private int LINE_NUM = 8; String[] lines = board.toFileRep();
private int loopDelay = 250; Files.write(path, Arrays.asList(lines), StandardCharsets.UTF_8);
boolean[] activationAIFlags; }
public Game(MyInterface mjfParam) { public void loadFromFile(Path path) throws IOException {
mjf = mjfParam; List<String> lines = Files.readAllLines(path, StandardCharsets.UTF_8);
board = new Board(COL_NUM, LINE_NUM); board = new Board(lines.toArray(new String[0]));
loopDelay = 250; // refresh UI for the new board state:
LINE_NUM = 8; mjf.update(board.getTurnNumber(), board.isTurnWhite());
COL_NUM = 8; }
activationAIFlags = new boolean[2]; // ───────────────────────────────────────────────────────────────────────
aiPlayer = new AutoPlayer();
}
public int getWidth() { public int getWidth() { return board.getWidth(); }
return board.getWidth(); public int getHeight() { return board.getHeight(); }
}
public int getHeight() { @Override
return board.getHeight(); public void run() {
} while(true) {
aiPlayerTurn();
mjf.update(board.getTurnNumber(), board.isTurnWhite());
try { Thread.sleep(loopDelay); }
catch (InterruptedException e) { e.printStackTrace(); }
}
}
public void run() { private boolean isAITurn() {
while(true) { return activationAIFlags[board.isTurnWhite() ? 1 : 0];
aiPlayerTurn(); }
mjf.update(board.getTurnNumber(), board.isTurnWhite());
try {
Thread.sleep(loopDelay);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
private boolean isAITurn() {
return activationAIFlags[board.isTurnWhite()?1:0];
}
private void aiPlayerTurn() { private void aiPlayerTurn() {
if (isAITurn()) { if (isAITurn()) {
Move bestMove = aiPlayer.getBestMoveUsingNegamax(board, 2); // Change depth as needed Move bestMove = aiPlayer.getBestMoveUsingNegamax(board, 2);
if (bestMove != null) { if (bestMove != null) board.playMove(bestMove);
board.playMove(bestMove); }
} }
}
}
public void clickCoords(int x, int y) { public void clickCoords(int x, int y) {
int width = this.getWidth(); if (x < 0 || y < 0 || x >= getWidth() || y >= getHeight()) {
int height = this.getHeight(); System.out.println("Click out of bounds");
if(0>x || 0>y || x>width || y>height) { return;
System.out.println("Click out of bounds"); }
return; if (!isAITurn()) board.userTouch(x, y);
} }
if(!isAITurn()) {
board.userTouch(x, y);
}
}
public void setPiece(boolean isWhite, PieceType type, int x, int y) { public void setPiece(boolean isWhite, PieceType type, int x, int y) {
board.setPiece(isWhite, type, x, y); board.setPiece(isWhite, type, x, y);
} }
public String[] getFileRepresentation() { public String[] getFileRepresentation() {
return board.toFileRep(); return board.toFileRep();
} }
public void setLoopDelay(int delay) { public void setLoopDelay(int delay) {
this.loopDelay = delay; this.loopDelay = delay;
} }
public void setDefaultSetup() { public void setDefaultSetup() {
board.cleanBoard(); board.cleanBoard();
board.populateBoard(); board.populateBoard();
} }
public void setBoard(String[] array) { public void setBoard(String[] array) {
board = new Board(array); board = new Board(array);
} }
public Iterable<Piece> getPieces() { public Iterable<Piece> getPieces() {
return board.getPieces(); return board.getPieces();
} }
public boolean isSelected(int x, int y) { public boolean isSelected(int x, int y) {
return board.isSelected(x, y); return board.isSelected(x, y);
} }
public boolean isHighlighted(int x, int y) { public boolean isHighlighted(int x, int y) {
return board.isHighlighted(x, y); return board.isHighlighted(x, y);
} }
public void undoLastMove() { public void undoLastMove() {
board.undoLastMove(); board.undoLastMove();
} }
public void toggleAI(boolean isWhite) {
this.activationAIFlags[isWhite?1:0] = !this.activationAIFlags[isWhite?1:0];
}
public void toggleAI(boolean isWhite) {
activationAIFlags[isWhite ? 1 : 0] = !activationAIFlags[isWhite ? 1 : 0];
}
} }

24
src/backend/Piece.java
View File

@ -59,5 +59,29 @@ public class Piece {
this.hasMoved = moved; this.hasMoved = moved;
} }
// in Piece.java
/** e.g. "true,Pawn,4,1,false" */
public String toFileRep() {
return isWhite() + "," +
getType().name() + "," +
getX() + "," +
getY() + "," +
hasMoved();
}
/** parse the same format */
public static Piece fromFileRep(String line) {
String[] parts = line.split(",");
boolean white = Boolean.parseBoolean(parts[0]);
PieceType type = PieceType.valueOf(parts[1]);
int x = Integer.parseInt(parts[2]);
int y = Integer.parseInt(parts[3]);
boolean moved = Boolean.parseBoolean(parts[4]);
Piece p = new Piece(white, type, x, y);
p.setHasMoved(moved);
return p;
}
} }