/**
* Checks the board to see if it is in a check, checkmate, or stalemate configuration. If it is,
* it handles the situation properly.
*/
private void evaluateBoard() {
if (master.isCheckmate(currentColor)) {
gui.checkmateMessage(currentColor);
gameOver();
} else if (master.isStalemate(currentColor)) {
gui.stalemateMessage();
gameOver();
} else if (master.isCheck(currentColor) > 0) {
// only a check, game not over
gui.checkMessage(currentColor);
} else {
// display new turn
gui.updateMessage(currentColor);
}
}
/**
* Method called to handle the situation where a user selects one of his/her pieces to move.
*
* @param piece Piece selected on the board
*/
public void handlePickPiece(Piece piece) {
// set currentPiece and locate its position
currentPiece = piece;
char file = piece.getFile();
int rank = piece.getRank();
// low-light its space
light(gui.getSpaceAt(file, rank), false);
ArrayList<Pair<Character, Integer>> moveList = master.moveList(piece);
// highlight and enable legal moves
for (javafx.util.Pair<Character, Integer> move : moveList) {
int currRank = move.getValue();
char currFile = move.getKey();
light(gui.getSpaceAt(currFile, currRank), true);
}
}
/**
* Method called to handle the situation where a user is moving the currentPiece to a new location
*
* @param position New space on the board for a piece to move
*/
public void handleMove(Pair<Character, Integer> position) {
// place the current move onto the stack
Piece captured = board.at(position);
Pair<Character, Integer> oldPosition = currentPiece.getPosition();
moveStack.push(new Move(currentPiece, captured, oldPosition, position));
// make the move
master.move(currentPiece, position);
// refresh board after piece is moved
try {
gui.refreshBoard();
} catch (IOException e1) {
e1.printStackTrace();
}
if (!moveStack.empty()) {
// can undo now that there are moves in the stack
gui.setUndoEnabled(true);
}
// reset backgrounds and change sides
switchSides();
}