highlightKingInCheck

OOP_2B1_Project/src/backend/Board.java

@@ -468,6 +468,36 @@ public class Board implements Cloneable  {
 	        this.enPassantVulnerablePawn = null; 
 	    }
 	}
+	
+	public void highlightKingInCheck() {
+	    // Determine the color of the current player
+	    boolean isWhiteTurn = isTurnWhite();
+
+	    // Find the current player's king piece
+	    Piece king = null;
+	    for (Piece piece : pieces) {
+	        if (piece.getType() == PieceType.King && piece.isWhite() == isWhiteTurn) {
+	            king = piece;
+	            break;
+	        }
+	    }
+
+	    if (king == null) {
+	        throw new IllegalStateException("No king found for the current player!");
+	    }
+
+	    // Get all legal moves of the opponent's pieces
+	    ArrayList<Move> opponentMoves = getAllLegalMoves(!isWhiteTurn);
+
+	    // Check if any opponent move targets the king's position
+	    for (Move move : opponentMoves) {
+	        if (move.getToCol() == king.getX() && move.getToRow() == king.getY()) {
+	            // If the king is in check, highlight its position
+	            highlightedPositions.add(new int[]{king.getX(), king.getY()});
+	            return; // No need to continue after finding a check
+	        }
+	    }
+	}
 }