// Starts building a move according to chosen square
private void squareClicked(SquareButton i_SquareButton)
{
string currentSquareLocationString;
Square square = m_Game.Board.GameBoard[i_SquareButton.RowIndex, i_SquareButton.ColIndex];
Piece pieceAtSquare = square.CurrentPiece;
// First click- build the move's starting position
if (m_CurrentMove.ToString() == string.Empty && pieceAtSquare != null)
{
if (pieceAtSquare.Side == m_Game.CurrentPlayer.Side)
{
i_SquareButton.BackColor = Color.Cyan;
currentSquareLocationString = MoveValidator.ConvertLocationToString(
i_SquareButton.RowIndex,
i_SquareButton.ColIndex);
m_CurrentMove.Append(currentSquareLocationString);
m_SelectedSquare = i_SquareButton;
}
}
// Second click- add the move's ending position and execute it
else if (m_CurrentMove.ToString() != string.Empty && pieceAtSquare == null)
{
m_SelectedSquare.BackColor = Color.BurlyWood;
currentSquareLocationString = MoveValidator.ConvertLocationToString(
i_SquareButton.RowIndex,
i_SquareButton.ColIndex);
m_CurrentMove.Append(">");
m_CurrentMove.Append(currentSquareLocationString);
Move selectedMove = MoveValidator.ConvertStringToMove(m_CurrentMove.ToString());
m_Game.ExecuteMove(selectedMove);
m_CurrentMove.Clear();
}
// Second click on the same square- cancel the chosen square (reset the move)
else if (pieceAtSquare != null && pieceAtSquare == m_Game.Board.GameBoard[m_SelectedSquare.RowIndex, m_SelectedSquare.ColIndex].CurrentPiece)
{
m_SelectedSquare.BackColor = Color.BurlyWood;
m_SelectedSquare = null;
m_CurrentMove.Clear();
}
}