static public TicTacState VictoryCheck(int[,] tiles, int playerNr)
{
TicTacState HState = CheckHorizontal(tiles, playerNr);
if (HState != TicTacState.None)
{
Debug.Log(HState.ToString() + " Player: " + playerNr);
//PrintBoard(tiles);
return(HState);
}
TicTacState VState = CheckVertical(tiles, playerNr);
if (VState != TicTacState.None)
{
Debug.Log(VState.ToString() + " Player: " + playerNr);
// PrintBoard(tiles);
return(VState);
}
TicTacState DState = CheckDiagonal(tiles, playerNr);
if (DState != TicTacState.None)
{
Debug.Log(DState.ToString() + " Player: " + playerNr);
//PrintBoard(tiles);
return(DState);
}
if (TieCheck(tiles))
{
Debug.Log(TicTacState.Tie.ToString() + " Player: " + playerNr);
return(TicTacState.Tie);
}
return(TicTacState.None);
}
static public TicTacState VictoryCheck(int[,] tiles, int depth, bool printS, int playerNr)
{
TicTacState HState = CheckHorizontal(tiles, playerNr);
if (HState != TicTacState.None)
{
return(HState);
}
TicTacState VState = CheckVertical(tiles, playerNr);
if (VState != TicTacState.None)
{
return(VState);
}
TicTacState DState = CheckDiagonal(tiles, playerNr);
if (DState != TicTacState.None)
{
return(DState);
}
if (TieCheck(tiles))
{
return(TicTacState.Tie);
}
return(TicTacState.None);
}
int ScoreCheck(TicTacState state, int depth)
{
switch (state)
{
case TicTacState.Tie:
return(0);
case TicTacState.Lose:
return(-1);
case TicTacState.Win:
return(1);
default:
return(0);
}
}
int ResultScore(TicTacState state)
{
switch (state)
{
case TicTacState.Win:
return(1);
case TicTacState.Tie:
return(0);
case TicTacState.None:
return(0);
default:
Debug.Log("Bad stuff happened");
return(0);
}
}
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);
}
}
