private int GetCellCoordinatesSuitableForBlockFork(Board board, char mark)
{
foreach (var emptyCell in board.EmptyCells)
{
var imaginaryBoard = board.GetCopyWithExtraCellOfType(mark, emptyCell);
var winStrategy = new WinStrategy(myMark, opponentsMark);
if (winStrategy.CanHandle(imaginaryBoard, mark))
{
return emptyCell;
}
}
return INVALID_COORDINATE;
}
private int GetCellCoordinatesSuitableForFork(Board board, char mark)
{
foreach (var emptyCell in board.EmptyCells)
{
int suitableLines = 0;
var imaginaryBoard = board.GetCopyWithExtraCellOfType(mark, emptyCell);
foreach (var line in board.Lines)
{
if (IsLineSuitableForAFork(imaginaryBoard, line))
suitableLines++;
}
if (suitableLines >= MINIMUM_LINES_TO_FORK)
return emptyCell;
}
return INVALID_COORDINATE;
}
