/**
* Method with is checking is the move is correct
*
* @param move String which in is capt player move
* @return boolean 1 if the move is correct, else 0
*/
public static boolean isMoveCorrect(String move) {
if (move.equals(Castling.SHORT_CASTLING.getSymbol())
|| move.equals(Castling.LONG_CASTLING.getSymbol())) {
return true;
}
try {
int from = 0;
int sign = move.charAt(from); // get First
switch (sign) // if sign of piece, get next
{
case 66: // B like Bishop
case 75: // K like King
case 78: // N like Knight
case 81: // Q like Queen
case 82:
from = 1;
break; // R like Rook
}
sign = move.charAt(from);
LOG.debug("isMoveCorrect/sign: " + sign);
if (sign < 97 || sign > 104) // if lower than 'a' or higher than 'h'
{
return false;
}
sign = move.charAt(from + 1);
if (sign < 49 || sign > 56) // if lower than '1' or higher than '8'
{
return false;
}
if (move.length()
> 3) // if is equal to 3 or lower, than it's in short notation, no more checking needed
{
sign = move.charAt(from + 2);
if (sign != 45 && sign != 120) // if isn't '-' and 'x'
{
return false;
}
sign = move.charAt(from + 3);
if (sign < 97 || sign > 104) // if lower than 'a' or higher than 'h'
{
return false;
}
sign = move.charAt(from + 4);
if (sign < 49 || sign > 56) // if lower than '1' or higher than '8'
{
return false;
}
}
} catch (StringIndexOutOfBoundsException exc) {
LOG.error("isMoveCorrect/StringIndexOutOfBoundsException: " + exc);
return false;
}
return true;
}
/**
* Method to set all moves from String with validation test (usefoul for network game)
*
* @param moves String to set in String like PGN with full-notation format
*/
public void setMoves(String moves) {
int from = 0;
int to = 0;
int n = 1;
ArrayList<String> tempArray = new ArrayList();
int tempStrSize = moves.length() - 1;
while (true) {
from = moves.indexOf(" ", from);
to = moves.indexOf(" ", from + 1);
try {
tempArray.add(moves.substring(from + 1, to).trim());
} catch (StringIndexOutOfBoundsException exc) {
LOG.error("setMoves/StringIndexOutOfBoundsException: error parsing file to load: " + exc);
break;
}
if (n % 2 == 0) {
from = moves.indexOf(".", to);
if (from < to) {
break;
}
} else {
from = to;
}
n += 1;
if (from > tempStrSize || to > tempStrSize) {
break;
}
}
for (String locMove : tempArray) // test if moves are written correctly
{
if (!Moves.isMoveCorrect(locMove.trim())) // if not
{
JOptionPane.showMessageDialog(this.game, Settings.lang("invalid_file_to_load") + move);
return; // show message and finish reading game
}
}
boolean canMove = false;
for (String locMove : tempArray) {
if (Castling.isCastling(locMove)) // if castling
{
int[] values = new int[4];
if (locMove.equals(Castling.LONG_CASTLING.getSymbol())) {
if (this.game.getActivePlayer().getColor() == Colors.BLACK) // if black turn
{
values = new int[] {4, 0, 2, 0}; // move value for castling (King move)
} else {
values = new int[] {4, 7, 2, 7}; // move value for castling (King move)
}
} else if (locMove.equals(Castling.SHORT_CASTLING.getSymbol())) // if short castling
{
if (this.game.getActivePlayer().getColor() == Colors.BLACK) // if black turn
{
values = new int[] {4, 0, 6, 0}; // move value for castling (King move)
} else {
values = new int[] {4, 7, 6, 7}; // move value for castling (King move)
}
}
canMove = this.game.simulateMove(values[0], values[1], values[2], values[3]);
if (!canMove) // if move is illegal
{
JOptionPane.showMessageDialog(this.game, Settings.lang("illegal_move_on") + locMove);
return; // finish reading game and show message
}
continue;
}
from = 0;
int num = locMove.charAt(from);
if (num <= 90 && num >= 65) {
from = 1;
}
int xFrom =
9; // set to higher value than chessboard has fields, to cause error if piece won't be
// found
int yFrom = 9;
int xTo = 9;
int yTo = 9;
boolean pieceFound = false;
if (locMove.length() <= 3) {
Square[][] squares = this.game.getChessboard().getSquares();
xTo = locMove.charAt(from) - 97; // from ASCII
yTo = Chessboard.getBottom() - (locMove.charAt(from + 1) - 49); // from ASCII
for (int i = 0; i < squares.length && !pieceFound; i++) {
for (int j = 0; j < squares[i].length && !pieceFound; j++) {
if (squares[i][j].piece == null
|| this.game.getActivePlayer().getColor()
!= squares[i][j].getPiece().getPlayer().getColor()) {
continue;
}
Set<Square> pieceMoves = squares[i][j].getPiece().getAllMoves();
for (Object square : pieceMoves) {
Square currSquare = (Square) square;
if (currSquare.getPozX() == xTo && currSquare.getPozY() == yTo) {
xFrom = squares[i][j].getPiece().getSquare().getPozX();
yFrom = squares[i][j].getPiece().getSquare().getPozY();
pieceFound = true;
}
}
}
}
} else {
xFrom = locMove.charAt(from) - 97; // from ASCII
yFrom = Chessboard.getBottom() - (locMove.charAt(from + 1) - 49); // from ASCII
xTo = locMove.charAt(from + 3) - 97; // from ASCII
yTo = Chessboard.getBottom() - (locMove.charAt(from + 4) - 49); // from ASCII
}
canMove = this.game.simulateMove(xFrom, yFrom, xTo, yTo);
if (!canMove) // if move is illegal
{
JOptionPane.showMessageDialog(this.game, Settings.lang("illegal_move_on") + locMove);
this.game.getChessboard().resetActiveSquare();
return; // finish reading game and show message
}
}
}