private AlphaBetaResult AlphaBeta(BoardState state, int alpha, int beta, GameState parent)
{
var result = new AlphaBetaResult(state.StartEstimate, alpha, beta);
var estimatedCells = EstimateCells(state);
//double enumeration doesn't happen - we parallelize only non-terminal states
if (state.AllowParallelize(estimatedCells) && !AnalyzeModeOn)
{
Parallel.ForEach(estimatedCells, (estimatedCell, parallelLoopState) =>
{
if (ProcessCell(state, parent, estimatedCell, result))
{
parallelLoopState.Stop();
}
});
}
else
{
foreach (var estimatedCell in estimatedCells)
{
if (ProcessCell(state, parent, estimatedCell, result))
{
break;
}
}
}
return(result);
}
