/// <summary>
/// Инициализирует движок. Если движок уже инициализирован не делает ничего,
/// если же processFolder или processName при этом не будет равен предыдущим параметрам,
/// то переинициализирует процесс на новый движок.
/// </summary>
/// <param name="processFolder">Папка процесса.</param>
/// <param name="processName">Имя процесса.</param>
public static void Init(string processFolder = null, string processName = null)
{
if (string.IsNullOrEmpty(processFolder))
{
Print("ERROR: processFolder == null", AI.MessageType.Info);
IsReady = false;
return;
}
if (string.IsNullOrEmpty(processName))
{
Print("ERROR: processName == null", AI.MessageType.Info);
IsReady = false;
return;
}
var path = processFolder + "\\" + processName;
if (!System.IO.File.Exists(path))
{
Print($"ERROR: Process {path} not exist !", AI.MessageType.Info);
IsReady = false;
return;
}
if (IsReady)
{
if (ProcessFolder != processFolder || ProcessName != processName)
{
Print($"New engine is loaded : {ProcessFolder}\\{ProcessName} -> {processFolder}\\{processName}", AI.MessageType.Info);
Process.CloseMainWindow();
Process.Dispose();
}
else
{
// Тот же самый движок - можно ничего не менять
return;
}
}
else
{
Print($"Engine loading : {path}", AI.MessageType.Info);
}
ProcessFolder = processFolder;
ProcessName = processName;
IsReady = true;
HasMove = false;
Asks.Clear();
CurrentAnswer = null;
Message = null;
Move = null;
Thinking = ThinkingMode.None;
try
{
ProcessStartInfo info = new ProcessStartInfo(path)
{
UseShellExecute = false,
WorkingDirectory = ProcessFolder,
CreateNoWindow = true,
RedirectStandardInput = true,
RedirectStandardOutput = true
};
Process = Process.Start(info);
Writer = Task.Factory.StartNew(() =>
{
while (!Process.HasExited)
{
if (CurrentAnswer == null)
{
if (Asks.Count > 0)
{
var t = Asks.Dequeue();
Process.StandardInput.WriteLine(t.Ask);
Process.StandardInput.Flush();
if (t.Answer != null)
{
CurrentAnswer = t.Answer;
}
else
{
CurrentAnswer = null;
}
}
}
}
});
Reader = Task.Factory.StartNew(() =>
{
while (!Process.HasExited)
{
if (!string.IsNullOrEmpty(CurrentAnswer))
{
var symbol = Process.StandardOutput.Peek();
if (symbol != '\0')
{
var str = Process.StandardOutput.ReadLine();
if (string.IsNullOrEmpty(str))
{
continue;
}
if (PrintAll)
{
if (str != "readyok")
{
Print(str, AI.MessageType.Output);
}
}
if (str.Length >= CurrentAnswer.Length)
{
if (str.Substring(0, CurrentAnswer.Length) == CurrentAnswer)
{
if (!PrintAll)
{
if (str != "readyok")
{
Print(str, AI.MessageType.Output);
}
}
if (CurrentAnswer == "bestmove")
{
Move = str.Substring(9);
HasMove = true;
}
else if (CurrentAnswer == "readyok")
{
switch (IsReadyAnswer)
{
case ReadyAnswer.OK:
Print(str, AI.MessageType.Output);
break;
case ReadyAnswer.Position:
if (Message != null)
{
string engineLine;
if (moveCount == 0)
{
engineLine = $"position {StartPos}";
}
else
{
engineLine = $"position {StartPos} moves " + Message;
Message = null;
}
Send(engineLine);
if (Thinking != ThinkingMode.None)
{
Print(engineLine, AI.MessageType.Input);
Go();
}
}
break;
case ReadyAnswer.Go:
break;
case ReadyAnswer.Move:
break;
}
}
IsReadyAnswer = ReadyAnswer.None;
CurrentAnswer = null;
}
}
}
}
}
});
Send("usi");
ReadUSI();
}
catch (Exception ex)
{
Print($"ERROR: Exception throwed: {ex.ToString()}", AI.MessageType.Info);
}
Send("isready", "readyok");
}
public static void SendWhenOK(ReadyAnswer what)
{
IsReadyAnswer = what;
Send("isready", "readyok");
}
