public void onclick(int row, int column) {
if (endOfGame) {
FacesMessage fm =
new FacesMessage(FacesMessage.SEVERITY_INFO, "", "The game is already over.");
FacesContext.getCurrentInstance().addMessage(null, fm);
} else {
if (!blackIsTop) {
row = 7 - row;
column = 7 - column;
}
if (isPieceSelected) {
isPieceSelected = false;
// chessboard.findLegalMovesIgnoringCheck(); // debug
if (chessboard.isMovePossible(selectedPieceRow, selectedPieceColumn, row, column)) {
int piece = chessboard.getChessPiece(selectedPieceRow, selectedPieceColumn);
int capturedPiece = chessboard.getChessPiece(row, column);
chessboard =
chessboard.moveChessPiece(
selectedPieceRow, selectedPieceColumn, row, column, ChessConstants.W_QUEEN);
boolean chess = chessboard.isWhiteKingThreatened || chessboard.isBlackKingThreatened;
Move m =
new Move(
piece,
selectedPieceRow,
selectedPieceColumn,
row,
column,
Chessboard.s_MATERIAL_VALUE[1] - Chessboard.s_MATERIAL_VALUE[0],
chess,
capturedPiece > ChessConstants.W_EMPTY,
capturedPiece);
info = m.toString();
String move = m.getNotation();
if (history.size() % 2 == 0) {
move = String.valueOf((history.size() / 2) + 1) + ". " + move;
}
history.add(move);
selectedPieceRow = 0;
selectedPieceColumn = 0;
// opponentsMove();
startOpponentsMove = true;
}
} else {
int piece = chessboard.getChessPiece(row, column);
if (piece != ChessConstants.B_EMPTY && piece != ChessConstants.W_EMPTY) {
if (chessboard.isActivePlayersPiece(piece)) {
isPieceSelected = true;
selectedPieceRow = row;
selectedPieceColumn = column;
}
}
}
}
redraw();
}
public boolean isLegalTarget(int row, int column) {
if (!blackIsTop) {
row = 7 - row;
column = 7 - column;
}
if (startOpponentsMove) return false;
if (!isPieceSelected) return false;
if (selectedPieceColumn == column && selectedPieceRow == row) return false;
if (chessboard.isMovePossible(selectedPieceRow, selectedPieceColumn, row, column)) return true;
return false;
}
public String getOpacity(int row, int column) {
if (!blackIsTop) {
row = 7 - row;
column = 7 - column;
}
if (startOpponentsMove) return "opacity:0.7";
if (!isPieceSelected) return "opacity:1.0";
if (selectedPieceColumn == column && selectedPieceRow == row) return "opacity:1.0";
if (chessboard.isMovePossible(selectedPieceRow, selectedPieceColumn, row, column))
return "opacity:1.0";
return "opacity:1.0";
}
public String getBorder(int row, int column) {
if (!blackIsTop) {
row = 7 - row;
column = 7 - column;
}
if (startOpponentsMove) return "border:1px solid black";
if (!isPieceSelected) return "border:1px solid black";
if (selectedPieceColumn == column && selectedPieceRow == row) return "border: 2px solid blue;";
if (chessboard.isMovePossible(selectedPieceRow, selectedPieceColumn, row, column))
return "border: 2px solid red;";
return "border: 1px solid black";
}