public override Node GetNextState(int move)
{
int x = move / size;
int y = move % size;
int[,] nextBoard = (int[, ])board.Clone();
PerformFlipsIfLegal(x, y, 1, 0, nextBoard);
PerformFlipsIfLegal(x, y, 1, 1, nextBoard);
PerformFlipsIfLegal(x, y, 0, 1, nextBoard);
PerformFlipsIfLegal(x, y, -1, 1, nextBoard);
PerformFlipsIfLegal(x, y, -1, 0, nextBoard);
PerformFlipsIfLegal(x, y, -1, -1, nextBoard);
PerformFlipsIfLegal(x, y, 0, -1, nextBoard);
PerformFlipsIfLegal(x, y, 1, -1, nextBoard);
ReversiNode nextState = new ReversiNode(nextBoard, 1 - ActivePlayer);
if (nextState.HasLegalMove())
{
return(nextState);
}
ReversiNode alternateNextState = new ReversiNode(nextBoard, ActivePlayer);
if (alternateNextState.HasLegalMove())
{
return(alternateNextState);
}
return(nextState);
}
