--- a/org/homelinux/largo/games/board/checkersboard/CheckersBoard.java
+++ b/org/homelinux/largo/games/board/checkersboard/CheckersBoard.java
@@ -13,284 +13,279 @@
import org.homelinux.largo.utils.ImgComponent;
public class CheckersBoard extends Board {
- static final long serialVersionUID = 1L;
+ static final long serialVersionUID = 1L;
- static final int PIECE = 1;
- static final int QUEEN = 2;
+ static final int PIECE = 1;
+ static final int QUEEN = 2;
- final Piece white_super_sun = new Piece(new ImgComponent("images/white_super_sun.png").getImage(), "white", QUEEN,
- 50);
+ final Piece white_super_sun = new Piece(new ImgComponent("images/white_super_sun.png").getImage(), "white", QUEEN,
+ 50);
- final Piece black_super_sun = new Piece(new ImgComponent("images/black_super_sun.png").getImage(), "black", QUEEN,
- 50);
+ final Piece black_super_sun = new Piece(new ImgComponent("images/black_super_sun.png").getImage(), "black", QUEEN,
+ 50);
- void initBoard() {
- for (int i = 1; i < 8; i += 2)
- add(new ImgComponent("images/black_sun.png").getImage(), i, "black", PIECE);
- for (int i = 8; i < 15; i += 2)
- add(new ImgComponent("images/black_sun.png").getImage(), i, "black", PIECE);
- for (int i = 17; i <= 23; i += 2)
- add(new ImgComponent("images/black_sun.png").getImage(), i, "black", PIECE);
+ void initBoard() {
+ for (int i = 1; i < 8; i += 2)
+ add(new ImgComponent("images/black_sun.png").getImage(), i, "black", PIECE);
+ for (int i = 8; i < 15; i += 2)
+ add(new ImgComponent("images/black_sun.png").getImage(), i, "black", PIECE);
+ for (int i = 17; i <= 23; i += 2)
+ add(new ImgComponent("images/black_sun.png").getImage(), i, "black", PIECE);
- for (int i = 40; i < 47; i += 2)
- add(new ImgComponent("images/white_sun.png").getImage(), i, "white", PIECE);
- for (int i = 49; i <= 55; i += 2)
- add(new ImgComponent("images/white_sun.png").getImage(), i, "white", PIECE);
- for (int i = 56; i < 63; i += 2)
- add(new ImgComponent("images/white_sun.png").getImage(), i, "white", PIECE);
- }
+ for (int i = 40; i < 47; i += 2)
+ add(new ImgComponent("images/white_sun.png").getImage(), i, "white", PIECE);
+ for (int i = 49; i <= 55; i += 2)
+ add(new ImgComponent("images/white_sun.png").getImage(), i, "white", PIECE);
+ for (int i = 56; i < 63; i += 2)
+ add(new ImgComponent("images/white_sun.png").getImage(), i, "white", PIECE);
+ }
- /**
- * The init method initializes a complete checkers board with figures and a
- * history.
- */
- public void init() {
- super.init();
- initBoard();
- board_pieces = getPieces();
- repaint();
- }
+ /**
+ * The init method initializes a complete checkers board with figures and a
+ * history.
+ */
+ public void init() {
+ super.init();
+ initBoard();
+ board_pieces = getPieces();
+ repaint();
+ }
- public CheckersBoard(int w, int h) {
- super(w, h);
- }
+ public CheckersBoard(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 PIECE:
- v = 10;
- }
+ switch (t) {
+ case PIECE:
+ v = 10;
+ }
- setPiece(i, new Piece(img, c, t, v));
- }
+ setPiece(i, new Piece(img, c, t, v));
+ }
- /**
- * Checks, wether this move is possible or not.
- */
- public boolean validMove(int t, int o) {
- int steps;
- int rows;
+ /**
+ * Checks, wether this move is possible or not.
+ */
+ public boolean validMove(int t, int o) {
+ int steps;
+ int rows;
- if (t == o)
- return false;
-
- if (isSamePiece(t, o))
- return false;
+ if (t == o)
+ return false;
- if (getType(o) == EMPTY)
- return false;
+ if (isSamePiece(t, o))
+ 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
+ */
+
+ steps = Math.abs(t - o);
+ rows = Math.abs(t / 8 - o / 8);
- /*
- * 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
- */
+ switch (getType(o)) {
+ case PIECE:
+ if (steps % 7 == 0) {
+ if (steps == 7 && rows == 1 && isEmpty(t)) {
+ if (isBlack(o) && (t > o))
+ return true;
+ if (isWhite(o) && (t < o))
+ return true;
+ }
- steps = Math.abs(t - o);
- rows = Math.abs(t / 8 - o / 8);
-
- switch (getType(o)) {
- case PIECE:
- if (steps % 7 == 0) {
- if (steps == 7 && rows == 1 && isEmpty(t)) {
- if (isBlack(o) && (t > o))
- return true;
- if (isWhite(o) && (t < o))
- return true;
- }
+ if (steps == 14 && rows == 2 && isEmpty(t)) {
+ if (isBlack(o) && (t > o) && isEnemy(o + 7, o))
+ return true;
+ if (isWhite(o) && (t < o) && isEnemy(o - 7, o))
+ return true;
+ }
+ }
- if (steps == 14 && rows == 2 && isEmpty(t)) {
- if (isBlack(o) && (t > o) && isEnemy(o + 7, o))
- return true;
- if (isWhite(o) && (t < o) && isEnemy(o - 7, o))
- return true;
- }
- }
-
- if (steps % 9 == 0) {
- if (steps == 9 && rows == 1 && isEmpty(t)) {
- if (isBlack(o) && (t > o))
- return true;
- if (isWhite(o) && (t < o))
- return true;
- }
+ if (steps % 9 == 0) {
+ if (steps == 9 && rows == 1 && isEmpty(t)) {
+ if (isBlack(o) && (t > o))
+ return true;
+ if (isWhite(o) && (t < o))
+ return true;
+ }
- if (steps == 18 && rows == 2 && isEmpty(t)) {
- if (isBlack(o) && (t > o) && isEnemy(o + 9, o))
- return true;
- if (isWhite(o) && (t < o) && isEnemy(o - 9, o))
- return true;
- }
- }
- break;
- case QUEEN:
- if (steps % 7 == 0 && isEmpty(t)) {
- 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 == 18 && rows == 2 && isEmpty(t)) {
+ if (isBlack(o) && (t > o) && isEnemy(o + 9, o))
+ return true;
+ if (isWhite(o) && (t < o) && isEnemy(o - 9, o))
+ return true;
+ }
+ }
+ break;
+ case QUEEN:
+ if (steps % 7 == 0 && isEmpty(t)) {
+ 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 && isEmpty(t)) {
- 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;
- }
- return false;
- }
+ if (steps % 9 == 0 && isEmpty(t)) {
+ 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;
+ }
+ return false;
+ }
- /**
- * pop: undo the push operation.
- */
- public void undo() {
- History h1 = null;
- History h2 = null;
- int size = stack.size();
- int pos;
+ /**
+ * pop: undo the push operation.
+ */
+ public void undo() {
+ History h1 = null;
+ History h2 = null;
+ int size = stack.size();
+ int pos;
- if (size < 2)
- return;
+ if (size < 2)
+ return;
- h1 = stack.remove(size - 1);
- h2 = stack.remove(size - 2);
+ h1 = stack.remove(size - 1);
+ h2 = stack.remove(size - 2);
- setPiece(h1.pos(), h1.piece());
- setPiece(h2.pos(), h2.piece());
+ setPiece(h1.pos(), h1.piece());
+ setPiece(h2.pos(), h2.piece());
- if (getType(h2.pos()) != EMPTY) {
- pos = 2 * h2.pos() - h1.pos();
- if (pos >= 0 && pos < 64)
- setPiece(pos, new Piece(null, null, EMPTY, 0));
- }
+ if (getType(h2.pos()) != EMPTY) {
+ pos = 2 * h2.pos() - h1.pos();
+ if (pos >= 0 && pos < 64)
+ setPiece(pos, new Piece(null, null, EMPTY, 0));
+ }
- /* Reset the current player */
- setBlacksTurn(h2.turn());
- }
+ /* Reset the current player */
+ setBlacksTurn(h2.turn());
+ }
- /**
- * simulates a "valid" move or returns false. all changes are relative to
- * pieces and will not be painted.
- */
- public boolean simulateMove(int t, int o) {
- int rows = Math.abs(t / 8 - o / 8);
- int pos;
+ /**
+ * simulates a "valid" move or returns false. all changes are relative to
+ * pieces and will not be painted.
+ */
+ public boolean simulateMove(int t, int o) {
+ int rows = Math.abs(t / 8 - o / 8);
+ int pos;
- if (!validMove(t, o)) {
- return false;
- }
+ if (!validMove(t, o)) {
+ return false;
+ }
- if (rows == 2 && getType(o) == PIECE) {
- pos = (t - o) / 2 + o;
- push(getPiece(pos), pos, getPiece(o), o);
- setPiece(pos, new Piece(null, null, EMPTY, 0));
- } else
- push(getPiece(t), t, getPiece(o), o);
+ if (rows == 2 && getType(o) == PIECE) {
+ pos = (t - o) / 2 + o;
+ push(getPiece(pos), pos, getPiece(o), o);
+ setPiece(pos, new Piece(null, null, EMPTY, 0));
+ } else
+ push(getPiece(t), t, getPiece(o), o);
- 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));
- 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) {
- int steps = Math.abs(t - o);
- int rows = Math.abs(t / 8 - o / 8);
- int pos;
+ /**
+ * 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) {
+ int steps = Math.abs(t - o);
+ int rows = Math.abs(t / 8 - o / 8);
+ int pos;
- if (!validMove(t, o)) {
- return false;
- }
+ if (!validMove(t, o)) {
+ return false;
+ }
- if (rows == 2 && getType(o) == PIECE) {
- pos = (t - o) / 2 + o;
- push(getPiece(pos), pos, getPiece(o), o);
- setPiece(pos, new Piece(null, null, EMPTY, 0));
- } else if (rows >= 2 && getType(o) == QUEEN) {
- if (steps % 7 == 0) {
- if (t > o)
- for (pos = o + 7; pos <= t - 7; pos += 7) {
- if (isEnemy(pos, o)) {
- push(getPiece(pos), pos, getPiece(o), o);
- setPiece(pos, new Piece(null, null, EMPTY, 0));
- }
- }
- else {
- for (pos = o - 7; pos >= t + 7; pos -= 7) {
- if (isEnemy(pos, o)) {
- push(getPiece(pos), pos, getPiece(o), o);
- setPiece(pos, new Piece(null, null, EMPTY, 0));
- }
- }
- }
- }
+ if (rows == 2 && getType(o) == PIECE) {
+ pos = (t - o) / 2 + o;
+ push(getPiece(pos), pos, getPiece(o), o);
+ setPiece(pos, new Piece(null, null, EMPTY, 0));
+ } else if (rows >= 2 && getType(o) == QUEEN) {
+ if (steps % 7 == 0) {
+ if (t > o)
+ for (pos = o + 7; pos <= t - 7; pos += 7) {
+ if (isEnemy(pos, o)) {
+ push(getPiece(pos), pos, getPiece(o), o);
+ setPiece(pos, new Piece(null, null, EMPTY, 0));
+ }
+ }
+ else {
+ for (pos = o - 7; pos >= t + 7; pos -= 7) {
+ if (isEnemy(pos, o)) {
+ push(getPiece(pos), pos, getPiece(o), o);
+ setPiece(pos, new Piece(null, null, EMPTY, 0));
+ }
+ }
+ }
+ }
- if (steps % 9 == 0) {
- if (t > o)
- for (pos = o + 9; pos <= t - 9; pos += 9) {
- if (isEnemy(pos, o)) {
- push(getPiece(pos), pos, getPiece(o), o);
- setPiece(pos, new Piece(null, null, EMPTY, 0));
- }
- }
- else {
- for (pos = o - 9; pos >= t + 9; pos -= 9) {
- if (isEnemy(pos, o)) {
- push(getPiece(pos), pos, getPiece(o), o);
- setPiece(pos, new Piece(null, null, EMPTY, 0));
- }
- }
- }
- }
- }
+ if (steps % 9 == 0) {
+ if (t > o)
+ for (pos = o + 9; pos <= t - 9; pos += 9) {
+ if (isEnemy(pos, o)) {
+ push(getPiece(pos), pos, getPiece(o), o);
+ setPiece(pos, new Piece(null, null, EMPTY, 0));
+ }
+ }
+ else {
+ for (pos = o - 9; pos >= t + 9; pos -= 9) {
+ if (isEnemy(pos, o)) {
+ push(getPiece(pos), pos, getPiece(o), o);
+ setPiece(pos, new Piece(null, null, EMPTY, 0));
+ }
+ }
+ }
+ }
+ }
- if (t <= 7 && getType(o) == PIECE)
- setPiece(t, new Piece(white_super_sun));
- else if (t >= 56 && getType(o) == PIECE)
- setPiece(t, new Piece(black_super_sun));
- else
- setPiece(t, new Piece(getPiece(o)));
+ if (t <= 7 && getType(o) == PIECE)
+ setPiece(t, new Piece(white_super_sun));
+ else if (t >= 56 && getType(o) == PIECE)
+ setPiece(t, new Piece(black_super_sun));
+ else
+ setPiece(t, new Piece(getPiece(o)));
- setPiece(o, new Piece(null, null, EMPTY, 0));
+ setPiece(o, new Piece(null, null, EMPTY, 0));
- board_pieces = getPieces();
- repaint();
+ board_pieces = getPieces();
+ repaint();
- moveNr = stack.size();
+ moveNr = stack.size();
- return true;
- }
+ return true;
+ }
}