public void ResetGame()
{
_winner = XOPlayer.NotSet;
_lastMove = XOPlayer.NotSet;
_winningSolution = 0;
_moves = 0;
ResetBoard();
}
public XOPlayer GetWinner()
{
if (_winner != XOPlayer.NotSet)
{
return _winner;
}
int x = 0, o = 0;
for (int i = 0; i < ROWS; i++)
{
for (int j = 0; j < COLUMNS; j++)
{
if (_board[i,j] == XOPlayer.X)
{
x |= (int)Math.Pow(2.0, i * 3 + j);
}
else if (_board[i,j] == XOPlayer.O)
{
o |= (int)Math.Pow(2.0, i * 3 + j);
}
}
}
foreach (var solution in _solutions)
{
if ((x & solution) == solution)
{
_winner = XOPlayer.X;
_winningSolution = solution;
return _winner;
}
if (((o & solution) == solution))
{
_winner = XOPlayer.O;
_winningSolution = solution;
return _winner;
}
}
return _winner;
}
/// <summary>
///
/// </summary>
/// <param name="movingPlayer"></param>
/// <param name="row"></param>
/// <param name="column"></param>
/// <exception cref="XOInvalidMoveException"></exception>
public void MakeAMove(XOPlayer movingPlayer, int row, int column)
{
if (row >= ROWS || row < 0)
{
throw new ArgumentOutOfRangeException("row");
}
if (column >= COLUMNS || column < 0)
{
throw new ArgumentOutOfRangeException("column");
}
if (IsGameOver)
{
throw new XOInvalidMoveException("The game is over!", XOInvalidMoveExceptionReasons.GameAlreadyOver);
}
if (_lastMove == movingPlayer)
{
throw new XOInvalidMoveException("You can't go twice in a row!", XOInvalidMoveExceptionReasons.SamePlayerTwice);
}
if (_board[row,column] != XOPlayer.NotSet)
{
throw new XOInvalidMoveException("You can't set an already set place on the board!", XOInvalidMoveExceptionReasons.AlreadySetPlace);
}
_board[row, column] = movingPlayer;
_lastMove = movingPlayer;
_moves++;
GetWinner();
}
