public bool CheckVertical(Sign sign)
{
int vertical = 0;
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
if (Map[j, i] == sign)
{
vertical++;
}
}
if (vertical == 3)
{
return(true);
}
else
{
vertical = 0;
}
}
return(false);
}
public bool CheckHorizontal(Sign x)
{
int horizontal = 0;
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
if (Map[i, j] == x)
{
horizontal++;
}
}
if (horizontal == 3)
{
return(true);
}
else
{
horizontal = 0;
}
}
return(false);
}
public Field(Coord x, Coord y, Sign sign)
{
X = x;
Y = y;
Sign = sign;
}
public bool CheckBottomLeftToTopRightDiagonal(Sign sign)
{
return((Map[2, 0] == sign) && (Map[1, 1] == sign) && (Map[0, 2] == sign));
}
public bool CheckDiagonals(Sign sign)
{
return(CheckTopLeftToBottomRightDiagonal(sign) || CheckBottomLeftToTopRightDiagonal(sign));
}
public bool CheckTopLeftToBottomRightDiagonal(Sign sign)
{
return((Map[0, 0] == sign) && (Map[1, 1] == sign) && (Map[2, 2] == sign));
}
public int Minimax(List <Block> blocks, Sign currentPlayer, Sign oppositePlayer, int alpha, int beta, bool isMax, int currentPlay)
{
int score = EvaluateBoard(blocks, currentPlayer, oppositePlayer, currentPlay);
if (score == 10 - currentPlay)
{
return(10 - currentPlay);
}
if (score == -10 + currentPlay)
{
return(-10 + currentPlay);
}
if (!IsEmptyBlock(blocks))
{
return(0);
}
if (isMax)
{
int best = MIN;
for (int i = 0; i < blocks.Count; i++)
{
if (blocks[i].sign == Sign.Empty)
{
blocks[i].sign = currentPlayer;
currentPlay++;
int value = Minimax(blocks, currentPlayer, oppositePlayer, alpha, beta, !isMax, currentPlay);
blocks[i].sign = Sign.Empty;
best = Mathf.Max(best, value);
alpha = Math.Max(alpha, best);
if (beta <= alpha)
{
break;
}
}
}
return(best);
}
else
{
int best = MAX;
for (int i = 0; i < blocks.Count; i++)
{
if (blocks[i].sign == Sign.Empty)
{
blocks[i].sign = oppositePlayer;
currentPlay++;
int value = Minimax(blocks, currentPlayer, oppositePlayer, alpha, beta, !isMax, currentPlay);
blocks[i].sign = Sign.Empty;
best = Math.Min(best, value);
beta = Math.Min(beta, best);
if (beta <= alpha)
{
break;
}
}
}
return(best);
}
}
public Bot(Sign sign) : base(sign)
{
_random = new Random();
}
public HumanPlayer(Sign sign) : base(sign)
{
}
private void ToggleNextSign() => _nextSign = _nextSign == Sign.X ? Sign.O : Sign.X;
public TicTacToe()
{
_board = new Board();
_gameOverRule = new GameOverRule();
_nextSign = Sign.X;
}