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@ -9,8 +9,8 @@ public class Board {
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private int [] selectedPosition = null; // No piece selected initially
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private int turnNumber=0; // Tracks the number of turns elapsed
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private boolean turnWhite=true; // True if it's White's turn, False if it's Black's turn
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private ArrayList<int[]> highlightedPositions = new ArrayList<>(); // List containing all board positions
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private ArrayList<MoveRecord> moveHistory = new ArrayList<>(); // Stack to store move history
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private ArrayList<int[]> highlightedPositions = new ArrayList<>();// List containing all board positions
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private boolean isValidMove;
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private boolean inBounds(int x, int y) {
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// Verify the bounds of the board
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@ -175,19 +175,29 @@ public class Board {
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if(selectedX == x && selectedY == y) {
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selectedPosition = null;
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highlightedPositions.clear(); //Unhighlight
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return;
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}
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//To check if square valid
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boolean valid = false;
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for (int[] pos : highlightedPositions) {
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if (pos[0]==x&&pos[1]==y) {
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valid = true;
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break;
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}
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// If a piece is selected and the user clicks a new position
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else {
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// Check if the move is valid by checking if it exists in highlightedPositions
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boolean isValidMove = false;
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for (int[] pos : highlightedPositions) {
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if (pos[0] == x && pos[1] == y) {
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for (int[] pos1 : highlightedPositions) {
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if (pos1[0] == x && pos1[1] == y) {
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isValidMove = true;
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break;
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}
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}
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}
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// Only move the piece if the destination is valid
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if (isValidMove) {
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movePiece(selectedX, selectedY, x, y);
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@ -199,7 +209,24 @@ public class Board {
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// Deselect the position after moving
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this.selectedPosition = null;
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highlightedPositions.clear();//Clear after move
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}
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// If a piece is selected and the user clicks a new position
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if (valid) {
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movePiece(selectedX, selectedY, x, y);
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//update turn
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this.turnNumber++;
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this.turnWhite=!this.turnWhite;
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}
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else {
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System.out.println("Blocked! This is not a valid move.");
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}
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// Deselect the position after moving
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this.selectedPosition = null;
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highlightedPositions.clear();//Clear after move
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}
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}
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@ -213,23 +240,12 @@ public class Board {
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switch (p.getType()) {
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case Pawn:
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int dir = isWhite ? -1 : 1;
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// Forward one square
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if (inBounds(x, y + dir) && board[y + dir][x] == null) {
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if (inBounds(x, y + dir) && board[y + dir][x] == null)
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moves.add(new int[]{x, y + dir});
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// Initial two-square move
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int startRow = isWhite ? 6 : 1; // Starting row for pawns
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if (y == startRow && inBounds(x, y + 2*dir) && board[y + 2*dir][x] == null) {
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moves.add(new int[]{x, y + 2*dir});
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}
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}
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// Captures (diagonal)
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if (inBounds(x - 1, y + dir) && hasEnemy(x - 1, y + dir, isWhite)) {
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if (inBounds(x - 1, y + dir) && hasEnemy(x - 1, y + dir, isWhite))
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moves.add(new int[]{x - 1, y + dir});
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}
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if (inBounds(x + 1, y + dir) && hasEnemy(x + 1, y + dir, isWhite)) {
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if (inBounds(x + 1, y + dir) && hasEnemy(x + 1, y + dir, isWhite))
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moves.add(new int[]{x + 1, y + dir});
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}
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break;
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case Rook:
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@ -242,7 +258,8 @@ public class Board {
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case Queen:
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moves.addAll(lineMoves(x, y, isWhite, new int[][]{
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{1, 0}, {-1, 0}, {0, 1}, {0, -1}, {1, 1}, {-1, 1}, {1, -1}, {-1, -1} }));
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{1, 0}, {-1, 0}, {0, 1}, {0, -1}, {1, 1}, {-1, 1}, {1, -1}, {-1, -1}
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}));
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break;
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case Knight:
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@ -256,7 +273,6 @@ public class Board {
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break;
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case King:
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// Regular king moves
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for (int dx = -1; dx <= 1; dx++) {
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for (int dy = -1; dy <= 1; dy++) {
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if (dx == 0 && dy == 0) continue;
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@ -273,31 +289,26 @@ public class Board {
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public void movePiece(int fromX, int fromY, int toX, int toY) {
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// Additional method: moves a piece from one position to another on the board
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Piece movingPiece = board[fromY][fromX];
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Piece capturedPiece = board[toY][toX];
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// Record the move before making it
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moveHistory.add(new MoveRecord(
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movingPiece, capturedPiece,
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fromX, fromY, toX, toY,
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turnNumber, turnWhite));
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// Get the piece at the source position
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Piece piece = board[fromY][fromX];
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if (piece != null) {
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// Update the piece's internal position
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piece.setX(toX);
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piece.setY(toY);
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// Move the piece on the board
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board[toY][toX] = movingPiece; // Place piece at the new position
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board[toY][toX] = piece; // Place piece at the new position
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board[fromY][fromX] = null; // Clear the old position
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if (movingPiece != null) {
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// Update the piece's internal position
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movingPiece.setX(toX);
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movingPiece.setY(toY);
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}
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}
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public boolean isSelected(int x, int y) {
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return this.selectedPosition!=null && this.selectedPosition[0] == x && this.selectedPosition[1] == y;
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}
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/* saving-loading feature :*/
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public String[] toFileRep() {
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ArrayList<String> fileLines = new ArrayList<>();
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@ -368,39 +379,29 @@ public class Board {
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}
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public void undoLastMove() {
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// Check if there are moves to undo
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if (moveHistory.isEmpty()) {
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return; // Nothing to undo
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}
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//TODO
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// Get the last move
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MoveRecord lastMove = moveHistory.remove(moveHistory.size() - 1);
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// Restore the moved piece to its original position
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board[lastMove.fromY][lastMove.fromX] = lastMove.movedPiece;
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if (lastMove.movedPiece != null) {
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lastMove.movedPiece.setX(lastMove.fromX);
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lastMove.movedPiece.setY(lastMove.fromY);
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}
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// Restore the captured piece if any
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board[lastMove.toY][lastMove.toX] = lastMove.capturedPiece;
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if (lastMove.capturedPiece != null) {
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lastMove.capturedPiece.setX(lastMove.toX);
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lastMove.capturedPiece.setY(lastMove.toY);
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}
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// Restore game state
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turnNumber = lastMove.turnNumberAtMove;
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turnWhite = lastMove.turnWhiteAtMove;
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// Clear any selections or highlights
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selectedPosition = null;
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highlightedPositions.clear();
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}
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public Board(Board board) {
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//TODO
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//copy the board size
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this.col = board.col; //number of column
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this.line = board.line; //number of row
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this.turnNumber = board.turnNumber;
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this.turnWhite = board.turnWhite;
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//copy the selected positions
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this.selectedPosition = board.selectedPosition == null ? null:
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new int[] {board.selectedPosition[0], board.selectedPosition[1]};
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//Deep copy highlighted positions
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this.highlightedPositions = new ArrayList<>();
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for (int[] pos : highlightedPositions) {
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}
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}
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