--- a/org/homelinux/largo/games/board/chessboard/ChessBoard.java
+++ b/org/homelinux/largo/games/board/chessboard/ChessBoard.java
@@ -12,648 +12,646 @@
import org.homelinux.largo.utils.ImgComponent;
public class ChessBoard extends Board {
- static final long serialVersionUID = 140208;
+ static final long serialVersionUID = 140208;
- 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;
-
- row1 = o/8;
- col1 = o-(8*row1);
+ /**
+ * 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;
- row2 = t/8;
- col2 = t-(8*row2);
+ row1 = o / 8;
+ col1 = o - (8 * row1);
- System.out.printf("%s: %C%d-%c%d = %3d%n", s,
- ('A')+col1, 8-row1,
- ('A')+col2, 8-row2, value);
- }
+ 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);
+ }
}