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OOP_2B1_Project
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fix prb

This commit is contained in:
martinbst 2025-04-28 11:55:07 +02:00
parent 4d10f6a051
commit 0ffa47ab0c
1 changed files with 0 additions and 97 deletions
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97
OOP_2B1_Project/src/backend/KingCheck.java
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@ -1,97 +0,0 @@
package backend;
import java.util.ArrayList;
public class KingCheck {
public ArrayList<ArrayList<Boolean>> getLegalMoves(Piece piece, ArrayList<ArrayList<Piece>> board) {
ArrayList<ArrayList<Boolean>> rawMoves = piece.getPossibleMoves(board);
ArrayList<ArrayList<Boolean>> legalMoves = new ArrayList<>();
for (int y = 0; y < 8; y++) {
ArrayList<Boolean> row = new ArrayList<>();
for (int x = 0; x < 8; x++) {
row.add(false);
}
legalMoves.add(row);
}
for (int y = 0; y < 8; y++) {
for (int x = 0; x < 8; x++) {
if (rawMoves.get(y).get(x)) {
Move move = new Move(piece.getX(), piece.getY(), x, y);
if (isMoveSafe(board, move, piece.isWhite())) {
legalMoves.get(y).set(x, true);
}
}
}
}
return legalMoves;
}
private boolean isKingInCheck(ArrayList<ArrayList<Piece>> board, boolean isWhiteTurn) {
int kingX = -1, kingY = -1;
// Find the king
for (ArrayList<Piece> row : board) {
for (Piece p : row) {
if (p != null && p.isWhite() == isWhiteTurn && p.getType() == PieceType.King) {
kingX = p.getX();
kingY = p.getY();
break;
}
}
}
if (kingX == -1 || kingY == -1) {
return true; // King not found, technically in check
}
// Check if any enemy piece can capture the king
for (ArrayList<Piece> row : board) {
for (Piece p : row) {
if (p != null && p.isWhite() != isWhiteTurn) {
ArrayList<ArrayList<Boolean>> moves = p.getPossibleMoves(board);
if (moves.get(kingY).get(kingX)) {
return true; // King can be captured
}
}
}
}
return false; // King is safe
}
private boolean isMoveSafe(ArrayList<ArrayList<Piece>> board, Move move, boolean isWhiteTurn) {
ArrayList<ArrayList<Piece>> simulatedBoard = simulateMove(board, move);
return !isKingInCheck(simulatedBoard, isWhiteTurn);
}
private ArrayList<ArrayList<Piece>> simulateMove(ArrayList<ArrayList<Piece>> board, Move move) {
ArrayList<ArrayList<Piece>> newBoard = deepCopyBoard(board);
Piece piece = newBoard.get(move.fromY).get(move.fromX);
newBoard.get(move.fromY).set(move.fromX, null);
piece.x = move.toX;
piece.y = move.toY;
newBoard.get(move.toY).set(move.toX, piece);
return newBoard;
}
private ArrayList<ArrayList<Piece>> deepCopyBoard(ArrayList<ArrayList<Piece>> original) {
ArrayList<ArrayList<Piece>> copy = new ArrayList<>();
for (ArrayList<Piece> row : original) {
ArrayList<Piece> newRow = new ArrayList<>();
for (Piece p : row) {
if (p != null) {
newRow.add(PieceCreation.createPiece(p.getX(), p.getY(), p.getType(), p.isWhite()));
} else {
newRow.add(null);
}
}
copy.add(newRow);
}
return copy;
}
}