private void GridButton_Click(object sender, RoutedEventArgs e)
{
// Get info about Cell
Button clickedButton = (sender as Button);
Cell clickedCell = clickedButton.Tag as Cell;
List <Pieces> whitePieces;
List <Pieces> blackPieces;
// If user intends to move
if (clickedCell.IsLegal)
{
// Move the piece and update the board
PrintMoveHistory(currentCell, clickedCell);
chessboard.MovePiece(currentCell, clickedCell);
if (clickedCell.Piece.Name == "Pawn" && (clickedCell.Row == 7 || clickedCell.Row == 0))
{
PromotionBackground.Visibility = Visibility.Visible;
Promotion.Visibility = Visibility.Visible;
}
UpdateBoardState();
// Check if game over after white move
whitePieces = chessboard.SearchForPieces(true);
blackPieces = chessboard.SearchForPieces(false);
if (chessboard.KingInCheckForOtherSide(whitePieces))
{
Message.Text = "Black King in check";
}
// Start new game if it's game over, else go to next turn
if (IsGameOver(whitePieces, blackPieces))
{
chessboard.NewGame();
}
else
{
ComputerMove(blackPieces);
}
// Check if game over after black move
blackPieces = chessboard.SearchForPieces(false);
whitePieces = chessboard.SearchForPieces(true);
if (chessboard.KingInCheckForOtherSide(blackPieces))
{
Message.Text = "White King in check";
}
if (IsGameOver(whitePieces, blackPieces))
{
chessboard.NewGame();
}
}
else if (clickedCell.IsOccupied)
{
// Find legal moves if user clicks on white piece, do nothing if black piece that is not legal
if (clickedCell.Piece.IsWhite)
{
chessboard.FindLegalMoves(clickedCell.Piece);
}
else
{
return;
}
}
// If user didn't click on legal or occupied
else
{
chessboard.ClearMarkedLegalMoves();
}
currentCell = clickedCell;
UpdateBoardState();
}