diff --git a/org/homelinux/largo/games/board/chessboard/ChessBoard.java b/org/homelinux/largo/games/board/chessboard/ChessBoard.java --- a/org/homelinux/largo/games/board/chessboard/ChessBoard.java +++ b/org/homelinux/largo/games/board/chessboard/ChessBoard.java @@ -12,646 +12,641 @@ import org.homelinux.largo.utils.ImgComponent; public class ChessBoard extends Board { - static final long serialVersionUID = 1L; + static final long serialVersionUID = 1L; - static final int ROOK = 1; - static final int KNIGHT = 2; - static final int BISHOP = 3; - static final int QUEEN = 4; - static final int KING = 5; - static final int PAWN = 6; + static final int ROOK = 1; + static final int KNIGHT = 2; + static final int BISHOP = 3; + static final int QUEEN = 4; + static final int KING = 5; + static final int PAWN = 6; - final Piece white_queen = new Piece(new ImgComponent("images/white_queen.png").getImage(), "white", QUEEN, 90); - final Piece black_queen = new Piece(new ImgComponent("images/black_queen.png").getImage(), "black", QUEEN, 90); + final Piece white_queen = new Piece(new ImgComponent("images/white_queen.png").getImage(), "white", QUEEN, 90); + final Piece black_queen = new Piece(new ImgComponent("images/black_queen.png").getImage(), "black", QUEEN, 90); - boolean white_rochades_small; - boolean white_rochades_big; - boolean black_rochades_small; - boolean black_rochades_big; + boolean white_rochades_small; + boolean white_rochades_big; + boolean black_rochades_small; + boolean black_rochades_big; - void initBoard() { - add(new ImgComponent("images/black_rook.png").getImage(), 0, "black", ROOK); - add(new ImgComponent("images/black_knight.png").getImage(), 1, "black", KNIGHT); - add(new ImgComponent("images/black_bishop.png").getImage(), 2, "black", BISHOP); - add(new ImgComponent("images/black_queen.png").getImage(), 3, "black", QUEEN); - add(new ImgComponent("images/black_king.png").getImage(), 4, "black", KING); - add(new ImgComponent("images/black_bishop.png").getImage(), 5, "black", BISHOP); - add(new ImgComponent("images/black_knight.png").getImage(), 6, "black", KNIGHT); - add(new ImgComponent("images/black_rook.png").getImage(), 7, "black", ROOK); + void initBoard() { + add(new ImgComponent("images/black_rook.png").getImage(), 0, "black", ROOK); + add(new ImgComponent("images/black_knight.png").getImage(), 1, "black", KNIGHT); + add(new ImgComponent("images/black_bishop.png").getImage(), 2, "black", BISHOP); + add(new ImgComponent("images/black_queen.png").getImage(), 3, "black", QUEEN); + add(new ImgComponent("images/black_king.png").getImage(), 4, "black", KING); + add(new ImgComponent("images/black_bishop.png").getImage(), 5, "black", BISHOP); + add(new ImgComponent("images/black_knight.png").getImage(), 6, "black", KNIGHT); + add(new ImgComponent("images/black_rook.png").getImage(), 7, "black", ROOK); - for (int i = 0; i < 8; i++) - add(new ImgComponent("images/black_pawn.png").getImage(), 8 + i, "black", PAWN); + for (int i = 0; i < 8; i++) + add(new ImgComponent("images/black_pawn.png").getImage(), 8 + i, "black", PAWN); - add(new ImgComponent("images/white_rook.png").getImage(), 56, "white", ROOK); - add(new ImgComponent("images/white_knight.png").getImage(), 57, "white", KNIGHT); - add(new ImgComponent("images/white_bishop.png").getImage(), 58, "white", BISHOP); - add(new ImgComponent("images/white_queen.png").getImage(), 59, "white", QUEEN); - add(new ImgComponent("images/white_king.png").getImage(), 60, "white", KING); - add(new ImgComponent("images/white_bishop.png").getImage(), 61, "white", BISHOP); - add(new ImgComponent("images/white_knight.png").getImage(), 62, "white", KNIGHT); - add(new ImgComponent("images/white_rook.png").getImage(), 63, "white", ROOK); + add(new ImgComponent("images/white_rook.png").getImage(), 56, "white", ROOK); + add(new ImgComponent("images/white_knight.png").getImage(), 57, "white", KNIGHT); + add(new ImgComponent("images/white_bishop.png").getImage(), 58, "white", BISHOP); + add(new ImgComponent("images/white_queen.png").getImage(), 59, "white", QUEEN); + add(new ImgComponent("images/white_king.png").getImage(), 60, "white", KING); + add(new ImgComponent("images/white_bishop.png").getImage(), 61, "white", BISHOP); + add(new ImgComponent("images/white_knight.png").getImage(), 62, "white", KNIGHT); + add(new ImgComponent("images/white_rook.png").getImage(), 63, "white", ROOK); - for (int i = 0; i < 8; i++) - add(new ImgComponent("images/white_pawn.png").getImage(), 55 - i, "white", PAWN); - } + for (int i = 0; i < 8; i++) + add(new ImgComponent("images/white_pawn.png").getImage(), 55 - i, "white", PAWN); + } - /** - * The init method initializes a complete chess board with figures and a - * history. - */ - public void init() { - super.init(); - initBoard(); - board_pieces = getPieces(); - repaint(); - } + /** + * The init method initializes a complete chess board with figures and a + * history. + */ + public void init() { + super.init(); + initBoard(); + board_pieces = getPieces(); + repaint(); + } - public ChessBoard(int w, int h) { - super(w, h); - } + public ChessBoard(int w, int h) { + super(w, h); + } - void add(Image img, int i, String c, int t) { - int v = 0; + void add(Image img, int i, String c, int t) { + int v = 0; - switch (t) { - case ROOK: - v = 80; - break; - case KNIGHT: - v = 30; - break; - case BISHOP: - v = 30; - break; - case QUEEN: - v = 90; - break; - case KING: - v = 120; - break; - case PAWN: - v = 10; - break; - } + switch (t) { + case ROOK: + v = 80; + break; + case KNIGHT: + v = 30; + break; + case BISHOP: + v = 30; + break; + case QUEEN: + v = 90; + break; + case KING: + v = 120; + break; + case PAWN: + v = 10; + break; + } - setPiece(i, new Piece(img, c, t, v)); - } + setPiece(i, new Piece(img, c, t, v)); + } - /** - * returns true, when the white king is at pieces[i] - */ - public boolean isWhiteKing(int i) { - if (isWhite(i) && getType(i) == KING) - return true; - return false; - } + /** + * returns true, when the white king is at pieces[i] + */ + public boolean isWhiteKing(int i) { + if (isWhite(i) && getType(i) == KING) + return true; + return false; + } - /** - * returns true, when the black king is at pieces[i] - */ - public boolean isBlackKing(int i) { - if (isBlack(i) && getType(i) == KING) - return true; - return false; - } + /** + * returns true, when the black king is at pieces[i] + */ + public boolean isBlackKing(int i) { + if (isBlack(i) && getType(i) == KING) + return true; + return false; + } - /** - * Returns the score of the current position Every field controlled by - * [color] gives one point A King, controlled by [color], gives 10 extra - * points - */ - public int controls(String color) { - int t, o; - int value = 0; + /** + * Returns the score of the current position Every field controlled by + * [color] gives one point A King, controlled by [color], gives 10 extra + * points + */ + public int controls(String color) { + int t, o; + int value = 0; - for (o = 0; o < 64; o++) { - if (color.equals(getColor(o))) { - for (t = 0; t < 64; t++) { - if (validMove(t, o)) { - if (getType(t) == KING) - value += 10; - value++; - } - } - } - } - return value; - } + for (o = 0; o < 64; o++) { + if (color.equals(getColor(o))) { + for (t = 0; t < 64; t++) { + if (validMove(t, o)) { + if (getType(t) == KING) + value += 10; + value++; + } + } + } + } + return value; + } - /** - * Checks, wether this move is possible or not. - */ - public boolean validMove(int t, int o) { - int steps; - int rows; - int dx; + /** + * Checks, wether this move is possible or not. + */ + public boolean validMove(int t, int o) { + int steps; + int rows; + int dx; - /* Must be here */ - white_rochades_small = false; - white_rochades_big = false; - black_rochades_small = false; - black_rochades_big = false; + /* Must be here */ + white_rochades_small = false; + white_rochades_big = false; + black_rochades_small = false; + black_rochades_big = false; - if (t == o) - return false; + if (t == o) + return false; - if (isSamePiece(t, o)) - return false; + if (isSamePiece(t, o)) + return false; - if (getType(o) == EMPTY) - return false; + if (getType(o) == EMPTY) + return false; - /* - * 00 01 02 03 04 05 06 07 - * 08 09 10 11 12 13 14 15 - * 16 17 18 19 20 21 22 23 - * 24 25 26 27 28 29 30 31 - * 32 33 34 35 36 37 38 39 - * 40 41 42 43 44 45 46 47 - * 48 49 50 51 52 53 54 55 - * 56 57 58 59 60 61 62 63 - */ + /* + * 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 + * 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 + * 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 + */ - steps = Math.abs(t - o); - rows = Math.abs(t / 8 - o / 8); + steps = Math.abs(t - o); + rows = Math.abs(t / 8 - o / 8); - switch (getType(o)) { - case ROOK: - if (steps < 8 && rows == 0) { - if (t > o) - for (dx = o + 1; dx < t; dx++) { - if (getColor(dx) != null) { - return false; - } - } - else - for (dx = o - 1; dx > t; dx--) { - if (getColor(dx) != null) { - return false; - } - } - return true; - } - if (steps % 8 == 0) { - if (t > o) { - for (dx = o + 8; dx < t; dx += 8) { - if (getColor(dx) != null) - return false; - } - } else { - for (dx = o - 8; dx > t; dx -= 8) { - if (getColor(dx) != null) - return false; - } - } - if (steps == 8 && rows == 1) - return true; - if (steps == 16 && rows == 2) - return true; - if (steps == 24 && rows == 3) - return true; - if (steps == 32 && rows == 4) - return true; - if (steps == 40 && rows == 5) - return true; - if (steps == 48 && rows == 6) - return true; - if (steps == 56 && rows == 7) - return true; - } - break; - case KNIGHT: - /* works fine */ - if (steps == 6 && rows == 1) - return true; - if (steps == 10 && rows == 1) - return true; - if (steps == 15 && rows == 2) - return true; - if (steps == 17 && rows == 2) - return true; - break; - case BISHOP: - if (steps % 7 == 0) { - if (t > o) { - for (dx = o + 7; dx < t; dx += 7) { - if (getColor(dx) != null) - return false; - } - } else { - for (dx = o - 7; dx > t; dx -= 7) { - if (getColor(dx) != null) - return false; - } - } - if (steps == 7 && rows == 1) - return true; - if (steps == 14 && rows == 2) - return true; - if (steps == 21 && rows == 3) - return true; - if (steps == 28 && rows == 4) - return true; - if (steps == 35 && rows == 5) - return true; - if (steps == 42 && rows == 6) - return true; - if (steps == 49 && rows == 7) - return true; - } - if (steps % 9 == 0) { - if (t > o) { - for (dx = o + 9; dx < t; dx += 9) { - if (getColor(dx) != null) - return false; - } - } else { - for (dx = o - 9; dx > t; dx -= 9) { - if (getColor(dx) != null) - return false; - } - } - if (steps == 9 && rows == 1) - return true; - if (steps == 18 && rows == 2) - return true; - if (steps == 27 && rows == 3) - return true; - if (steps == 36 && rows == 4) - return true; - if (steps == 45 && rows == 5) - return true; - if (steps == 54 && rows == 6) - return true; - if (steps == 63 && rows == 7) - return true; - } - break; + switch (getType(o)) { + case ROOK: + if (steps < 8 && rows == 0) { + if (t > o) + for (dx = o + 1; dx < t; dx++) { + if (getColor(dx) != null) { + return false; + } + } + else + for (dx = o - 1; dx > t; dx--) { + if (getColor(dx) != null) { + return false; + } + } + return true; + } + if (steps % 8 == 0) { + if (t > o) { + for (dx = o + 8; dx < t; dx += 8) { + if (getColor(dx) != null) + return false; + } + } else { + for (dx = o - 8; dx > t; dx -= 8) { + if (getColor(dx) != null) + return false; + } + } + if (steps == 8 && rows == 1) + return true; + if (steps == 16 && rows == 2) + return true; + if (steps == 24 && rows == 3) + return true; + if (steps == 32 && rows == 4) + return true; + if (steps == 40 && rows == 5) + return true; + if (steps == 48 && rows == 6) + return true; + if (steps == 56 && rows == 7) + return true; + } + break; + case KNIGHT: + /* works fine */ + if (steps == 6 && rows == 1) + return true; + if (steps == 10 && rows == 1) + return true; + if (steps == 15 && rows == 2) + return true; + if (steps == 17 && rows == 2) + return true; + break; + case BISHOP: + if (steps % 7 == 0) { + if (t > o) { + for (dx = o + 7; dx < t; dx += 7) { + if (getColor(dx) != null) + return false; + } + } else { + for (dx = o - 7; dx > t; dx -= 7) { + if (getColor(dx) != null) + return false; + } + } + if (steps == 7 && rows == 1) + return true; + if (steps == 14 && rows == 2) + return true; + if (steps == 21 && rows == 3) + return true; + if (steps == 28 && rows == 4) + return true; + if (steps == 35 && rows == 5) + return true; + if (steps == 42 && rows == 6) + return true; + if (steps == 49 && rows == 7) + return true; + } + if (steps % 9 == 0) { + if (t > o) { + for (dx = o + 9; dx < t; dx += 9) { + if (getColor(dx) != null) + return false; + } + } else { + for (dx = o - 9; dx > t; dx -= 9) { + if (getColor(dx) != null) + return false; + } + } + if (steps == 9 && rows == 1) + return true; + if (steps == 18 && rows == 2) + return true; + if (steps == 27 && rows == 3) + return true; + if (steps == 36 && rows == 4) + return true; + if (steps == 45 && rows == 5) + return true; + if (steps == 54 && rows == 6) + return true; + if (steps == 63 && rows == 7) + return true; + } + break; - case QUEEN: - if (steps < 8 && rows == 0) { - if (t > o) - for (dx = o + 1; dx < t; dx++) { - if (getColor(dx) != null) - return false; - } - else - for (dx = o - 1; dx > t; dx--) { - if (getColor(dx) != null) - return false; - } - return true; - } + case QUEEN: + if (steps < 8 && rows == 0) { + if (t > o) + for (dx = o + 1; dx < t; dx++) { + if (getColor(dx) != null) + return false; + } + else + for (dx = o - 1; dx > t; dx--) { + if (getColor(dx) != null) + return false; + } + return true; + } - if (steps % 8 == 0) { - if (t > o) { - for (dx = o + 8; dx < t; dx += 8) { - if (getColor(dx) != null) - return false; - } - } else { - for (dx = o - 8; dx > t; dx -= 8) { - if (getColor(dx) != null) - return false; - } - } + if (steps % 8 == 0) { + if (t > o) { + for (dx = o + 8; dx < t; dx += 8) { + if (getColor(dx) != null) + return false; + } + } else { + for (dx = o - 8; dx > t; dx -= 8) { + if (getColor(dx) != null) + return false; + } + } - if (steps == 8 && rows == 1) - return true; - if (steps == 16 && rows == 2) - return true; - if (steps == 24 && rows == 3) - return true; - if (steps == 32 && rows == 4) - return true; - if (steps == 40 && rows == 5) - return true; - if (steps == 48 && rows == 6) - return true; - if (steps == 56 && rows == 7) - return true; - } - if (steps % 7 == 0) { - if (t > o) { - for (dx = o + 7; dx < t; dx += 7) { - if (getColor(dx) != null) - return false; - } - } else { - for (dx = o - 7; dx > t; dx -= 7) { - if (getColor(dx) != null) - return false; - } - } - if (steps == 7 && rows == 1) - return true; - if (steps == 14 && rows == 2) - return true; - if (steps == 21 && rows == 3) - return true; - if (steps == 28 && rows == 4) - return true; - if (steps == 35 && rows == 5) - return true; - if (steps == 42 && rows == 6) - return true; - if (steps == 49 && rows == 7) - return true; - } + if (steps == 8 && rows == 1) + return true; + if (steps == 16 && rows == 2) + return true; + if (steps == 24 && rows == 3) + return true; + if (steps == 32 && rows == 4) + return true; + if (steps == 40 && rows == 5) + return true; + if (steps == 48 && rows == 6) + return true; + if (steps == 56 && rows == 7) + return true; + } + if (steps % 7 == 0) { + if (t > o) { + for (dx = o + 7; dx < t; dx += 7) { + if (getColor(dx) != null) + return false; + } + } else { + for (dx = o - 7; dx > t; dx -= 7) { + if (getColor(dx) != null) + return false; + } + } + if (steps == 7 && rows == 1) + return true; + if (steps == 14 && rows == 2) + return true; + if (steps == 21 && rows == 3) + return true; + if (steps == 28 && rows == 4) + return true; + if (steps == 35 && rows == 5) + return true; + if (steps == 42 && rows == 6) + return true; + if (steps == 49 && rows == 7) + return true; + } - if (steps % 9 == 0) { - if (t > o) { - for (dx = o + 9; dx < t; dx += 9) { - if (getColor(dx) != null) - return false; - } - } else { - for (dx = o - 9; dx > t; dx -= 9) { - if (getColor(dx) != null) - return false; - } - } - if (steps == 9 && rows == 1) - return true; - if (steps == 18 && rows == 2) - return true; - if (steps == 27 && rows == 3) - return true; - if (steps == 36 && rows == 4) - return true; - if (steps == 45 && rows == 5) - return true; - if (steps == 54 && rows == 6) - return true; - if (steps == 63 && rows == 7) - return true; - } - break; + if (steps % 9 == 0) { + if (t > o) { + for (dx = o + 9; dx < t; dx += 9) { + if (getColor(dx) != null) + return false; + } + } else { + for (dx = o - 9; dx > t; dx -= 9) { + if (getColor(dx) != null) + return false; + } + } + if (steps == 9 && rows == 1) + return true; + if (steps == 18 && rows == 2) + return true; + if (steps == 27 && rows == 3) + return true; + if (steps == 36 && rows == 4) + return true; + if (steps == 45 && rows == 5) + return true; + if (steps == 54 && rows == 6) + return true; + if (steps == 63 && rows == 7) + return true; + } + break; - case KING: - if ((steps == 1) && (rows == 0)) - return true; + case KING: + if ((steps == 1) && (rows == 0)) + return true; - if ((steps == 8) && (rows == 1)) - return true; + if ((steps == 8) && (rows == 1)) + return true; - if ((steps == 7) && (rows == 1)) - return true; + if ((steps == 7) && (rows == 1)) + return true; - if ((steps == 9) && (rows == 1)) - return true; + if ((steps == 9) && (rows == 1)) + return true; - if ((steps == 2) && (rows == 0)) { - if (isWhiteKing(o)) { /* White: Rochade */ - if (isWhiteKing(60) && isEmpty(61) && isEmpty(62) && (t == 62)) { - if ((getType(63) == ROOK) && isWhite(63)) { - white_rochades_small = true; - return true; - } - } + if ((steps == 2) && (rows == 0)) { + if (isWhiteKing(o)) { /* White: Rochade */ + if (isWhiteKing(60) && isEmpty(61) && isEmpty(62) && (t == 62)) { + if ((getType(63) == ROOK) && isWhite(63)) { + white_rochades_small = true; + return true; + } + } - if (isWhiteKing(60) && isEmpty(59) && isEmpty(58) && isEmpty(57) && (t == 58)) { - if ((getType(56) == ROOK) && isWhite(56)) { - white_rochades_big = true; - return true; - } - } - } + if (isWhiteKing(60) && isEmpty(59) && isEmpty(58) && isEmpty(57) && (t == 58)) { + if ((getType(56) == ROOK) && isWhite(56)) { + white_rochades_big = true; + return true; + } + } + } - if (isBlackKing(o)) { /* Black: Rochade */ - if (isBlackKing(4) && isEmpty(5) && isEmpty(6) && (t == 6)) { - if ((getType(7) == ROOK) && isBlack(7)) { - black_rochades_small = true; - return true; - } - } + if (isBlackKing(o)) { /* Black: Rochade */ + if (isBlackKing(4) && isEmpty(5) && isEmpty(6) && (t == 6)) { + if ((getType(7) == ROOK) && isBlack(7)) { + black_rochades_small = true; + return true; + } + } - if (isBlackKing(4) && isEmpty(3) && isEmpty(2) && isEmpty(1) && (t == 2)) { - if ((getType(0) == ROOK) && isBlack(0)) { - black_rochades_big = true; - return true; - } - } - } - } - break; + if (isBlackKing(4) && isEmpty(3) && isEmpty(2) && isEmpty(1) && (t == 2)) { + if ((getType(0) == ROOK) && isBlack(0)) { + black_rochades_big = true; + return true; + } + } + } + } + break; - case PAWN: - if (getColor(o).equals("white")) { - if (steps == 7 && rows == 1 && isEnemy(t, o) && t < o) - return true; + case PAWN: + if (getColor(o).equals("white")) { + if (steps == 7 && rows == 1 && isEnemy(t, o) && t < o) + return true; - if (steps == 9 && rows == 1 && isEnemy(t, o) && t < o) - return true; - } else { - if (steps == 7 && rows == 1 && isEnemy(t, o) && t > o) - return true; + if (steps == 9 && rows == 1 && isEnemy(t, o) && t < o) + return true; + } else { + if (steps == 7 && rows == 1 && isEnemy(t, o) && t > o) + return true; - if (steps == 9 && rows == 1 && isEnemy(t, o) && t > o) - return true; - } + if (steps == 9 && rows == 1 && isEnemy(t, o) && t > o) + return true; + } - if (steps % 8 == 0) { - if (t > o) { - for (dx = o + 8; dx <= t; dx += 8) { - if (getColor(dx) != null) - return false; - } - } else { - for (dx = o - 8; dx >= t; dx -= 8) { - if (getColor(dx) != null) - return false; - } - } + if (steps % 8 == 0) { + if (t > o) { + for (dx = o + 8; dx <= t; dx += 8) { + if (getColor(dx) != null) + return false; + } + } else { + for (dx = o - 8; dx >= t; dx -= 8) { + if (getColor(dx) != null) + return false; + } + } - if (steps == 8 && rows == 1) { - if (getColor(o).equals("white") && t < o) - return true; - if (getColor(o).equals("black") && t > o) - return true; - } + if (steps == 8 && rows == 1) { + if (getColor(o).equals("white") && t < o) + return true; + if (getColor(o).equals("black") && t > o) + return true; + } - if (steps == 16 && rows == 2 && (o >= 8 && o <= 15)) { - if (getColor(o).equals("white") && t < o) - return true; - if (getColor(o).equals("black") && t > o) - return true; - } + if (steps == 16 && rows == 2 && (o >= 8 && o <= 15)) { + if (getColor(o).equals("white") && t < o) + return true; + if (getColor(o).equals("black") && t > o) + return true; + } - if (steps == 16 && rows == 2 && (o >= 48 && o <= 55)) { - if (getColor(o).equals("white") && t < o) - return true; - if (getColor(o).equals("black") && t > o) - return true; - } - } - break; - } - return false; - } + if (steps == 16 && rows == 2 && (o >= 48 && o <= 55)) { + if (getColor(o).equals("white") && t < o) + return true; + if (getColor(o).equals("black") && t > o) + return true; + } + } + break; + } + return false; + } - /** - * This method must be called immediately after isValidMove(t, o) - */ - boolean rochade() { - if (white_rochades_small) { - setPiece(61, getPiece(63)); - setPiece(63, new Piece(null, null, EMPTY, 0)); - return true; - } + /** + * This method must be called immediately after isValidMove(t, o) + */ + boolean rochade() { + if (white_rochades_small) { + setPiece(61, getPiece(63)); + setPiece(63, new Piece(null, null, EMPTY, 0)); + return true; + } - if (white_rochades_big) { - setPiece(59, getPiece(56)); - setPiece(56, new Piece(null, null, EMPTY, 0)); - return true; - } + if (white_rochades_big) { + setPiece(59, getPiece(56)); + setPiece(56, new Piece(null, null, EMPTY, 0)); + return true; + } - if (black_rochades_small) { - setPiece(5, getPiece(7)); - setPiece(7, new Piece(null, null, EMPTY, 0)); - return true; - } + if (black_rochades_small) { + setPiece(5, getPiece(7)); + setPiece(7, new Piece(null, null, EMPTY, 0)); + return true; + } - if (black_rochades_big) { - setPiece(3, getPiece(0)); - setPiece(0, new Piece(null, null, EMPTY, 0)); - return true; - } + if (black_rochades_big) { + setPiece(3, getPiece(0)); + setPiece(0, new Piece(null, null, EMPTY, 0)); + return true; + } - return false; - } + return false; + } - /** - * checks, whether color is in check or not. - */ - public boolean isCheck(String color) { - int i; - int wking; - int bking; + /** + * checks, whether color is in check or not. + */ + public boolean isCheck(String color) { + int i; + int wking; + int bking; - wking = bking = -1; + wking = bking = -1; - for (i = 0; i < 64; i++) { - if (isWhiteKing(i)) { - wking = i; - } - if (isBlackKing(i)) { - bking = i; - } - } + for (i = 0; i < 64; i++) { + if (isWhiteKing(i)) { + wking = i; + } + if (isBlackKing(i)) { + bking = i; + } + } - // returns 64 false positives - if (wking == -1 || bking == -1) - return true; + // returns 64 false positives + if (wking == -1 || bking == -1) + return true; - if (color.equals("white")) { - for (i = 0; i < 64; i++) - if (validMove(wking, i)) { - return true; - } + if (color.equals("white")) { + for (i = 0; i < 64; i++) + if (validMove(wking, i)) { + return true; + } - return false; - } + return false; + } - if (color.equals("black")) { - for (i = 0; i < 64; i++) - if (validMove(bking, i)) { - return true; - } + if (color.equals("black")) { + for (i = 0; i < 64; i++) + if (validMove(bking, i)) { + return true; + } - return false; - } - return false; - } + return false; + } + return false; + } - /** - * simulates a "valid" move or returns false. all changes are relative to - * pieces and will not be painted. This method sets internal variables for - * the rochade() method, which will be overwritten. - */ - public boolean simulateMove(int t, int o) { - if (!validMove(t, o)) { - return false; - } + /** + * simulates a "valid" move or returns false. all changes are relative to + * pieces and will not be painted. This method sets internal variables for + * the rochade() method, which will be overwritten. + */ + public boolean simulateMove(int t, int o) { + if (!validMove(t, o)) { + return false; + } - push(getPiece(t), t, getPiece(o), o); + push(getPiece(t), t, getPiece(o), o); - if (getType(o) == PAWN) { - if (isBlack(o) && t >= 56) - setPiece(o, new Piece(black_queen)); + if (getType(o) == PAWN) { + if (isBlack(o) && t >= 56) + setPiece(o, new Piece(black_queen)); - if (isWhite(o) && t <= 7) - setPiece(o, new Piece(white_queen)); - } + if (isWhite(o) && t <= 7) + setPiece(o, new Piece(white_queen)); + } - setPiece(t, new Piece(getPiece(o))); - setPiece(o, new Piece(null, null, EMPTY, 0)); + setPiece(t, new Piece(getPiece(o))); + setPiece(o, new Piece(null, null, EMPTY, 0)); - if (isCheck(getColor(t))) { - /* restore current position */ - if (UNDO_DEBUG) - print("UNDO", t, o, 0); - undo(); - return false; - } + if (isCheck(getColor(t))) { + /* restore current position */ + if (UNDO_DEBUG) + print("UNDO", t, o, 0); + undo(); + return false; + } - return true; - } + return true; + } - /** - * performs a "valid" move or returns false. all changes are relative to - * board_pieces and will be painted. - */ - public boolean doMove(int t, int o) { - if (!validMove(t, o)) { - return false; - } + /** + * performs a "valid" move or returns false. all changes are relative to + * board_pieces and will be painted. + */ + public boolean doMove(int t, int o) { + if (!validMove(t, o)) { + return false; + } - push(getPiece(t), t, getPiece(o), o); + push(getPiece(t), t, getPiece(o), o); - if (getType(o) == PAWN) { - if (isBlack(o) && t >= 56) - setPiece(o, new Piece(black_queen)); + if (getType(o) == PAWN) { + if (isBlack(o) && t >= 56) + setPiece(o, new Piece(black_queen)); - if (isWhite(o) && t <= 7) - setPiece(o, new Piece(white_queen)); - } + if (isWhite(o) && t <= 7) + setPiece(o, new Piece(white_queen)); + } - setPiece(t, new Piece(getPiece(o))); - setPiece(o, new Piece(null, null, EMPTY, 0)); + setPiece(t, new Piece(getPiece(o))); + setPiece(o, new Piece(null, null, EMPTY, 0)); - if (rochade()) - System.out.println("Rochade"); + if (rochade()) + System.out.println("Rochade"); - if (isCheck(getColor(t))) { - // restore current positions - if (UNDO_DEBUG) - print("UNDO", t, o, 0); - undo(); - return false; - } + if (isCheck(getColor(t))) { + // restore current positions + if (UNDO_DEBUG) + print("UNDO", t, o, 0); + undo(); + return false; + } - board_pieces = getPieces(); - repaint(); + board_pieces = getPieces(); + repaint(); - moveNr = stack.size(); + moveNr = stack.size(); - return true; - } + return true; + } - /** - * converts the internal representation into normal chess notation and - * writes it to stdout - */ - public void print(String s, int t, int o, int value) { - int row1, col1, row2, col2; + /** + * converts the internal representation into normal chess notation and + * writes it to stdout + */ + public void print(String s, int t, int o, int value) { + int row1, col1, row2, col2; - row1 = o / 8; - col1 = o - (8 * row1); + row1 = o / 8; + col1 = o - (8 * row1); - row2 = t / 8; - col2 = t - (8 * row2); + row2 = t / 8; + col2 = t - (8 * row2); - System.out.printf("%s: %C%d-%c%d = %3d%n", s, ('A') + col1, 8 - row1, ('A') + col2, 8 - row2, value); - } + System.out.printf("%s: %C%d-%c%d = %3d%n", s, ('A') + col1, 8 - row1, ('A') + col2, 8 - row2, value); + } }