public override bool GetNextMove(TicTacToeSign sign, out int row, out int column)
{
Steps = 0;
row = -1;
column = -1;
int rowtmp = -1;
int columntmp = -1;
int max = -100;
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
if (board.CorrectMove(i, j))
{
Steps++;
board.SetSign(i, j, sign);
if (board.Winner() != TicTacToeResult.None)
{
row = i;
column = j;
board.SetSign(i, j, TicTacToeSign.Empty);
break;
}
else
{
int e = board.FreeDirection(sign) - board.FreeDirection(TicTacToeHelper.Opponent(sign));
if (e > max)
{
max = e;
rowtmp = i;
columntmp = j;
}
}
board.SetSign(i, j, TicTacToeSign.Empty);
}
}
if (row != -1)
break;
}
if (row == -1)
{
row = rowtmp;
column = columntmp;
}
return (row != -1);
}
private int PlayMax(TicTacToeBoard prevBoard, TicTacToeSign sign)
{
int max = -1;
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
if (prevBoard.CorrectMove(i, j))
{
TicTacToeBoard newBoard = new TicTacToeBoard(prevBoard);
newBoard.SetSign(i, j, sign);
Steps++;
TicTacToeResult result = newBoard.Winner();
if (result != TicTacToeResult.None)
{
if (result == TicTacToeResult.Draw)
{
if (max < 0)
{
max = 0;
}
}
else
{
max = 1;
}
}
else
{
int max1 = PlayMin(newBoard, TicTacToeHelper.Opponent(sign));
if (max1 > max)
{
max = max1;
}
}
}
}
}
return(max);
}
public override bool GetNextMove(TicTacToeSign sign, out int row, out int column)
{
row = -1;
column = -1;
Steps = 0;
int max = -1;
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
if (board.CorrectMove(i, j))
{
TicTacToeBoard newBoard = new TicTacToeBoard(board);
newBoard.SetSign(i, j, sign);
Steps++;
TicTacToeResult result = newBoard.Winner();
if (result != TicTacToeResult.None)
{
if (result == TicTacToeResult.Draw)
{
if (max < 0)
{
max = 0;
row = i;
column = j;
}
}
else
{
max = 1;
row = i;
column = j;
}
}
else
{
int max1 = PlayMin(newBoard, TicTacToeHelper.Opponent(sign));
if (max1 > max)
{
max = max1;
row = i;
column = j;
}
}
}
}
}
Debug.WriteLine(String.Format("Sor: {0} Oszlop: {1} Érték: {2} Vizsgálatok: {3}", row, column, max, Steps));
// MessageBox.Show(String.Format("Sor: {0} Oszlop: {1} Érték: {2} Vizsgálatok: {3}", row, column, max, count));
BestResult = max;
return(row != -1);
}
public override bool GetNextMove(TicTacToeSign sign, out int row, out int column)
{
Steps = 0;
row = -1;
column = -1;
// Ha egy adott lépéssel megnyerné a gép a játékot, akkor ezt a lépést kell választani
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
Steps++;
if (board.GetSign(i, j) == TicTacToeSign.Empty)
{
board.SetSign(i, j, sign);
if (board.Winner() != TicTacToeResult.None)
{
row = i;
column = j;
board.SetSign(i, j, TicTacToeSign.Empty);
break;
}
board.SetSign(i, j, TicTacToeSign.Empty);
}
}
if (row != -1)
{
break;
}
}
if (row != -1)
{
return(true);
}
// Ha egy adott lépéssel az ellenfél nyerné meg a játékot, akkor erre a helyre lépve blokkolni kell az ő lépését
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
Steps++;
if (board.GetSign(i, j) == TicTacToeSign.Empty)
{
board.SetSign(i, j, TicTacToeHelper.Opponent(sign));
if (board.Winner() != TicTacToeResult.None)
{
row = i;
column = j;
board.SetSign(i, j, TicTacToeSign.Empty);
break;
}
board.SetSign(i, j, TicTacToeSign.Empty);
}
}
}
if (row != -1)
{
return(true);
}
// Egyébként táblázat alapján választunk az üres helyek közül
for (int i = 0; i < bestMoves.Count; i++)
{
Steps++;
if (board.GetSign(bestMoves[i].Row, bestMoves[i].Column) == TicTacToeSign.Empty)
{
row = bestMoves[i].Row;
column = bestMoves[i].Column;
break;
}
}
return(row != -1);
}
