private bool CheckLine(Marker[][] board, Marker player, Vector2 c1, Vector2 c2, Vector2 c3)
{
if (board[(int)c1.x][(int)c1.y] == player &&
board[(int)c2.x][(int)c2.y] == player &&
board[(int)c3.x][(int)c3.y] == player)
{
WinningCoordinates = new WinVectors(c1, c2, c3);
return(true);
}
return(false);
}
public void PlayTicTacToe( )
{
if (IsGameover == false)
{
if (p1_X == null || p2_O == null)
{
return;
}
if (p1_X.IsTurnActive == true)
{
if (timed == false)
{
t = turnDelay + Time.time;
timed = true;
}
if (Time.time < t)
{
return;
}
timed = false;
TicTacToeMove bestMove = null;
if (isSearching == false)
{
bestMove = p1_X.NegaMaxMove(board); // NEGAMAX tree-search
isSearching = true;
}
if (bestMove != null)
{
FireRandomScribbleSFX( );
boardState[(int)bestMove.Cell.x][(int)bestMove.Cell.y] = Marker.X;
cells[bestMove.Cell].GetComponent <SpriteRenderer>().sprite = Resources.Load <Sprite> (ResourcePath.x);
p1_X.IsTurnActive = false;
p2_O.IsTurnActive = true;
if (board.CheckForWinner(boardState, Marker.X))
{
GameWinner = "You lost!";
WinningCoordinates = board.WinningCoordinates;
IsGameover = true;
}
if (board.CheckForDraw(boardState))
{
GameWinner = "A draw - better than losing.";
WinningCoordinates = null;
IsGameover = true;
}
isSearching = false;
}
else
{
Debug.Log("AI is searching for a move ... ");
return;
}
}
else if (p2_O.IsTurnActive == true)
{
GameObject clicked = p2_O.ClickHandler <Grid2DVertexComponent> ( );
if (clicked == null)
{
return;
}
Vector2 m = clicked.transform.position;
if (boardState[(int)m.x][(int)m.y] == Marker.Blank) //move success
{
FireRandomScribbleSFX( );
boardState[(int)m.x][(int)m.y] = Marker.O;
clicked.GetComponent <SpriteRenderer> ( ).sprite = Resources.Load <Sprite> (ResourcePath.o);
if (board.CheckForWinner(boardState, Marker.O))
{
GameWinner = "You won!";
WinningCoordinates = board.WinningCoordinates;
IsGameover = true;
}
if (board.CheckForDraw(boardState))
{
GameWinner = "A draw - better than losing.";
WinningCoordinates = null;
IsGameover = true;
}
p2_O.IsTurnActive = false;
p1_X.IsTurnActive = true;
}
}
}
else
{
Debug.Log("GAMEOVER");
}
}