/// <summary>
///
/// </summary>
/// <param name="exe"></param>
/// <param name="extraCommand"></param>
/// <param name="readHandler"></param>
/// <param name="numThreads">N.B. when doing single static position evals from LC0, must set to 1</param>
/// <returns></returns>
UCIEngineProcess StartEngine(string engineName, string exePath, string extraCommand, ReadEvent readHandler, int numThreads = 1)
{
UCIEngineProcess engine = new UCIEngineProcess(engineName, exePath, extraCommand);
engine.ReadEvent += readHandler;
engine.StartEngine();
engine.ReadAsync();
engine.SendCommandLine("uci");
engine.SendIsReadyAndWaitForOK();
return(engine);
}
/// <summary>
/// Executes any preparatory UCI commands before sending a position for evaluation.
/// These preparatory steps are typically not counted in the search time for the engine.
/// </summary>
/// <param name="engineNum"></param>
public void EvalPositionPrepare()
{
if (ResetStateAndCachesBeforeMoves)
{
// Not all engines support Clear hash, e.g.
// "option name Clear Hash type button"
// so we do not issue this command.
//thisEngine.SendCommandLine("setoption name Clear Hash");
// Perhaps ucinewgame helps reset state
engine.SendCommandLine("ucinewgame");
engine.SendIsReadyAndWaitForOK();
}
havePrepared = true;
}