private Pos findBestMove(Board i_Board, GameLogic.eSign i_PlayerSign)
{
List <Pos> possibleMoves = i_Board.AllEmptyCells();
if (possibleMoves.Count == i_Board.Size * i_Board.Size)
{
return(new Pos(GameLogic.sr_Rnd.Next(0, i_Board.Size - 1), GameLogic.sr_Rnd.Next(0, i_Board.Size - 1)));
}
List <int> movesScore = new List <int>(possibleMoves.Count);
foreach (Pos currentPosition in possibleMoves)
{
i_Board[currentPosition].Value = Sign;
movesScore.Add(getPlayerMoveScore(i_Board));
i_Board[currentPosition].Value = GameLogic.eSign.Empty;
}
int bestScore = movesScore.Min();
int indexBestScore = movesScore.IndexOf(bestScore);
Pos result = possibleMoves[indexBestScore];
///make sure next move don't make the AI lose
while (moveMakePlayerLose(i_Board, result) == true)
{
if (possibleMoves.Count == 1)
{
break;
}
possibleMoves.RemoveAt(indexBestScore);
movesScore.RemoveAt(indexBestScore);
bestScore = movesScore.Min();
indexBestScore = movesScore.IndexOf(bestScore);
result = possibleMoves[indexBestScore];
}
return(result);
}
public Cell(GameLogic.eSign i_Value)
{
m_Value = i_Value;
this.Available = true;
}
public int GetSequenceCounter(int i_SequenceSize, GameLogic.eSign i_Sign)
{
int counter = 0;
for (int i = 0; i <= r_Matrix.GetUpperBound(0) + 1 - i_SequenceSize; i++)
{
for (int j = 0; j <= r_Matrix.GetUpperBound(1) + 1 - i_SequenceSize; j++)
{
Cell currentCell = this[i, j];
if (currentCell.Value == GameLogic.eSign.Empty || currentCell.Value != i_Sign)
{
continue;
}
if (i_SequenceSize == 1)
{
if (currentCell.Value == i_Sign)
{
counter++;
}
}
else
{
int tempCounter = 1;
for (int k = 1; k < i_SequenceSize; k++)
{
if (this[i, j + k].Value == i_Sign)
{
tempCounter++;
}
else
{
break;
}
}
if (tempCounter == i_SequenceSize)
{
counter++;
}
tempCounter = 1;
for (int k = 1; k < i_SequenceSize; k++)
{
if (this[i + k, j].Value == i_Sign)
{
tempCounter++;
}
else
{
break;
}
}
if (tempCounter == i_SequenceSize)
{
counter++;
}
tempCounter = 1;
for (int k = 1; k < i_SequenceSize; k++)
{
if (this[i + k, j + k].Value == i_Sign)
{
tempCounter++;
}
else
{
break;
}
}
if (tempCounter == i_SequenceSize)
{
counter++;
}
}
}
}
return(counter);
}
public Player(bool i_IsComputer, GameLogic.eSign i_Sign)
{
IsComputer = i_IsComputer;
Sign = i_Sign;
Score = 0;
}
