public override void ActivateTurn()
{
base.ActivateTurn();
int[,] dummyArray = TicTacToeFunctions.GetDummyBoard(manager.tiles);
NodesTaken = 0;
BestMove(dummyArray);
Debug.Log("Nodes Taken: " + NodesTaken);
}
TicTacState VictoryCheck()
{
switch (TicTacToeFunctions.VictoryCheck(TicTacToeFunctions.GetDummyBoard(tiles), currentPlayer))
{
case TicTacState.Win:
Victory();
return(TicTacState.Win);
case TicTacState.Lose:
Victory();
return(TicTacState.Win);
case TicTacState.Tie:
Tie();
return(TicTacState.Tie);
default:
return(TicTacState.None);
}
}
int MiniMax(int[,] dummyArray, int depth, bool maximizing, int alpha, int beta)
{
NodesTaken++;
TicTacState currentState = TicTacToeFunctions.VictoryCheck(dummyArray, depth, false, playerNummber);
if (currentState != TicTacState.None)
{
return(ScoreCheck(currentState, depth));
}
int score;
if (maximizing)
{
//score = int.MinValue;
for (int x = 0; x < dummyArray.GetLength(0); x++)
{
for (int y = 0; y < dummyArray.GetLength(1); y++)
{
if (dummyArray[x, y] == 0)
{
dummyArray[x, y] = playerNummber;
score = MiniMax(dummyArray, depth++, false, alpha, beta);
dummyArray[x, y] = 0;
// score = Math.Max(newScore, score);
alpha = Math.Max(alpha, score);
if (beta <= alpha)
{
break;
}
}
if (beta <= alpha)
{
break;
}
}
}
return(alpha);
}
else
{
// score = int.MaxValue;
for (int x = 0; x < dummyArray.GetLength(0); x++)
{
for (int y = 0; y < dummyArray.GetLength(1); y++)
{
if (dummyArray[x, y] == 0)
{
dummyArray[x, y] = 1;
score = MiniMax(dummyArray, depth++, true, alpha, beta);
dummyArray[x, y] = 0;
//score = Math.Min(score, newScore);
beta = Math.Min(beta, score);
if (beta <= alpha)
{
break;
}
}
if (beta <= alpha)
{
break;
}
}
}
return(beta);
}
}
