public async IAsyncEnumerable <ulong> DoPerft(int depth)
{
if (Positions.Count == 0)
{
yield break;
}
foreach (var fd in Positions.Select(p => new FenData(p.Fen)))
{
Game.Table.NewSearch();
CurrentGame.Pos.SetFen(fd);
if (_results.TryGetValue(CurrentGame.Pos.State.Key, out var result))
{
yield return(result);
continue;
}
result = CurrentGame.Perft(depth, true);
_results[CurrentGame.Pos.State.Key] = result;
// BoardPrintCallback?.Invoke(fd.ToString());
yield return(result);
}
}
public ulong DoPerft(int depth)
{
var total = 0ul;
if (Positions.Count == 0)
{
return(total);
}
foreach (var position in Positions)
{
var fp = new FenData(position.Fen);
CurrentGame.SetFen(fp);
var res = CurrentGame.Perft(depth);
total += res;
BoardPrintCallback?.Invoke(position.Fen);
}
return(total);
}
public Task <ulong> DoPerftAsync(int depth)
=> Task.Run(()
=> CurrentGame.Perft(depth));
