public static Tuple <bool, char> ComputeGameResult(char[,] board, char emptyChar)
{
var boardLines = BoardUtils.GetAllBoardLinesCoordinates(board.GetLength(0));
foreach (var line in boardLines)
{
char c = board[line.First().Item1, line.First().Item2];
if (c == emptyChar)
{
continue;
}
bool win = true;
foreach (var coord in line)
{
if (c != board[coord.Item1, coord.Item2])
{
win = false;
break;
}
}
if (win)
{
return(new Tuple <bool, char>(true, c));
}
}
if (BoardUtils.IsDraw(board, emptyChar))
{
return(new Tuple <bool, char>(true, emptyChar));
}
return(new Tuple <bool, char>(false, emptyChar));
}
protected Tuple <int, int> findWinningMove(char[,] board, char symbol)
{
List <List <Tuple <int, int> > > boardLines = BoardUtils.GetAllBoardLinesCoordinates(boardSize);
foreach (var line in boardLines)
{
int currentLineScore = 0;
int movesToWin = 0;
Tuple <int, int> winCoords = null;
foreach (var coord in line)
{
if (board[coord.Item1, coord.Item2] == symbol)
{
currentLineScore++;
}
else if (board[coord.Item1, coord.Item2] == Engine.EMPTY_CHAR)
{
movesToWin++;
winCoords = coord;
}
}
if (currentLineScore == boardSize - 1 && movesToWin == 1)
{
return(winCoords);
}
}
return(null);
}
