/// <summary>
///
/// </summary>
/// <param name="engineEXE"></param>
/// <param name="engineExtraCommand"></param>
/// <param name="runnerIndex">optional index of this runner within parallel set of runners</param>
public UCIGameRunner(string engineEXE,
bool resetStateAndCachesBeforeMoves,
string extraCommandLineArguments = null,
string[] uciSetOptionCommands = null,
int runnerIndex = -1)
{
EngineEXE = engineEXE;
ResetStateAndCachesBeforeMoves = resetStateAndCachesBeforeMoves;
EngineExtraCommand = extraCommandLineArguments;
Index = runnerIndex;
ReadEvent readHandler = new ReadEvent(DataRead);
string engine1Name = new FileInfo(engineEXE).Name;
engine = StartEngine(engine1Name, engineEXE, extraCommandLineArguments, readHandler);
System.Threading.Thread.Sleep(20);
if (uciSetOptionCommands != null)
{
foreach (string extraCommand in uciSetOptionCommands)
{
engine.SendCommandLine(extraCommand);
}
}
freq = Stopwatch.Frequency;
startTime = Stopwatch.GetTimestamp();
}
/// <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;
}
protected void SendCommandCRLF(UCIEngineProcess thisEngine, string cmd)
{
if (UCI_VERBOSE_LOGGING)
{
Console.WriteLine("--> CMD " + cmd);
}
thisEngine.SendCommandLine(cmd);
}
/// <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);
}