public override Node GetNextState(int move)
{
int[,] nextBoard = (int[, ])board.Clone();
MiniCoord nextCoord = miniBoard;
int x = move / 9;
int y = move % 9;
nextBoard[x, y] = ActivePlayer;
nextCoord.Set(x % 3, y % 3);
if (MiniWinner(nextCoord) != -1 || MiniFull(nextCoord))
{
nextCoord.Reset();
}
return(new UltimateTicTacToeNode()
{
ActivePlayer = (ActivePlayer + 1) % 2, board = nextBoard, miniBoard = nextCoord
});
}
bool MiniFull(MiniCoord coord)
{
return(MiniFull(coord.X, coord.Y));
}
int MiniWinner(MiniCoord coord)
{
return(MiniWinner(coord.X, coord.Y));
}
