chess/queen.java at master · c-brooks/chess · GitHub

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public class Queen {

	public static boolean[] qMovesW = new boolean[64];
	public static boolean[] qMovesB = new boolean[64];

	public static String movesW(int i) {
		String move = "";
		String oldPiece = "";
		int r = i / 8, c = i % 8;
		int moveCount = 1;

		for (int j = 1; j >= -1; j--) {
			for (int k = 1; k >= -1; k--) {
				{ try {
					while (" ".equals(Board.chessBoard[r + j * moveCount][c + k * moveCount])) {
						Board.makeMove(   ""+r + c + (r + j * moveCount) + (c + k * moveCount) + " ");
						if(King.kingSafeW())
							move = ""+move + r + c + (r + j * moveCount) + (c + k * moveCount) + " " ;
						Board.undoMove(   ""+r + c + (r + j * moveCount) + (c + k * moveCount) + " ");
						moveCount++;
					}
					if (Character.isLowerCase(Board.chessBoard[r + j * moveCount][c + k * moveCount].charAt(0))) {
						oldPiece = Board.chessBoard[r + j * moveCount][c + k * moveCount];

						Board.makeMove(""+r + c + (r + j * moveCount) + (c + k * moveCount) + oldPiece);
						if(King.kingSafeW())
							move = ""+move + r + c + (r + j * moveCount) + (c + k * moveCount) + oldPiece;
						Board.undoMove(""+r + c + (r + j * moveCount) + (c + k * moveCount) + oldPiece);							}
					} catch (Exception e) {}
					moveCount = 1;
				}
			}
		}
		return move;
	}

	public static String movesB(int i) {
		String move = "";
		String oldPiece = "";
		int r = i / 8, c = i % 8;
		int moveCount = 1;

		for (int j = 1; j >= -1; j--) {
			for (int k = 1; k >= -1; k--) {
				{ try {

						while (" ".equals(Board.chessBoard[r + j * moveCount][c + k * moveCount])) {

							Board.makeMove(   ""+r + c + (r + j * moveCount) + (c + k * moveCount) + " ");
							if(King.kingSafeB())
								move = ""+move + r + c + (r + j * moveCount) + (c + k * moveCount) + " " ;
							Board.undoMove(   ""+r + c + (r + j * moveCount) + (c + k * moveCount) + " ");
							moveCount++;
						}
						if (Character.isUpperCase(Board.chessBoard[r + j * moveCount][c + k * moveCount].charAt(0))) {
							oldPiece = Board.chessBoard[r + j * moveCount][c + k * moveCount];
							Board.makeMove(""+r + c + (r + j * moveCount) + (c + k * moveCount) + oldPiece);
							if(King.kingSafeB())
								move = ""+move + r + c + (r + j * moveCount) + (c + k * moveCount) + oldPiece;
							Board.undoMove(""+r + c + (r + j * moveCount) + (c + k * moveCount) + oldPiece);							}
					} catch (Exception e) {}
					moveCount = 1;
				}
			}
		}
		return move;
	}


	public static void controlW(int i) {
	int r = i / 8, c = i % 8;
	int moveCount = 1;

	for (int j = 1; j >= -1; j--) {
		for (int k = 1; k >= -1; k--) {
				try {
					while (" ".equals(Board.chessBoard[r + j * moveCount][c + k * moveCount])) {
						BB.qMovesW[(r + j * moveCount) * 8 + (c + k * moveCount)] = true;
						moveCount++;
					}
					BB.qMovesW[(r + j * moveCount) * 8 + (c + k * moveCount)] = true;
				} catch (Exception e) {}
				moveCount = 1;
			}
		}
	}

	public static void controlB(int i) {
		int r = i / 8, c = i % 8;
		int moveCount = 1;

		for (int j = 1; j >= -1; j--) {
			for (int k = 1; k >= -1; k--) {
				try {
					while (" ".equals(Board.chessBoard[r + j * moveCount][c + k * moveCount])) {
						BB.qMovesB[(r + j * moveCount) * 8 + (c + k * moveCount)] = true;
						moveCount++;
					}
					BB.qMovesB[(r + j * moveCount) * 8 + (c + k * moveCount)] = true;
				} catch (Exception e) {}
				moveCount = 1;
			}
		}
	}
}