public void MainLoop()
{
PrintStartUpInfo();
Board board = new Board();
S_SearchInfo info = new S_SearchInfo();
// Infinite loop, will only break once user quits.
while (true)
{
string
stdin = null; // https://daveaglick.com/posts/capturing-standard-input-in-csharp
stdin = Console.ReadLine();
if (stdin == null)
{
continue;
}
// First check length to avoid OutOfRangeException.
if (stdin.Length >= 7 && stdin.Substring(0, 7).Equals("isready"))
{
Console.Write("readyok\n");
continue;
}
else if (stdin.Length >= 8 && stdin.Substring(0, 8).Equals("position"))
{
ParsePosition(stdin, board);
}
else if (stdin.Length >= 10 && stdin.Substring(0, 10).Equals("ucinewgame"))
{
ParsePosition("position startpos\n", board);
}
else if (stdin.Length >= 2 && stdin.Substring(0, 2).Equals("go"))
{
ParseGo(stdin, board, ref info);
}
else if (stdin.Length >= 4 && stdin.Substring(0, 4).Equals("quit"))
{
info.Quit = true;
break;
}
else if (stdin.Length >= 3 && stdin.Substring(0, 3).Equals("uci"))
{
PrintStartUpInfo();
}
else if (stdin.Length >= 4 && stdin.Substring(0, 4).Equals("stop"))
{
info.Stopped = true;
}
if (info.Quit)
{
break;
}
}
}
public static void ReadInput(ref S_SearchInfo info)
{
string stdin = null;
if (Console.In.Peek() != -1)
{
stdin = Console.ReadLine();
if (stdin != null)
{
if (stdin.Length >= 4 && stdin.Substring(0, 4).Equals("quit"))
{
info.Quit = true;
}
}
}
}
// should read "go depth int wtime int btime int binc int winc int movetime int movestogo int
// etc:
// "go depth 8 wtime 10000 btime 8000 binc 1000 winc 1000 movetime 1000 movestogo 50"
// Tactic:
// Find each variable by String.IndexOf method, and process them.
public void ParseGo(string lineIn, Board board, ref S_SearchInfo info)
{
info.isTimeSet = false;
int depth = -1, movesToGo = 30, moveTime = -1, time = -1, inc = 0, indexOf = -1;
// If binc variable exists.
if (((indexOf = lineIn.IndexOf("binc")) != -1) && board.Side == (int)Colour.BLACK)
{
indexOf += 5;
var endIndex = EndOfInteger(lineIn, indexOf);
inc = Int32.Parse(lineIn.Substring(indexOf, endIndex - indexOf + 1));
}
// If winc variable exists.
if (((indexOf = lineIn.IndexOf("winc")) != -1) && board.Side == (int)Colour.WHITE)
{
indexOf += 5;
var endIndex = EndOfInteger(lineIn, indexOf);
inc = Int32.Parse(lineIn.Substring(indexOf, endIndex - indexOf + 1));
}
if (((indexOf = lineIn.IndexOf("btime")) != -1) && board.Side == (int)Colour.BLACK)
{
indexOf += 6;
var endIndex = EndOfInteger(lineIn, indexOf);
time = Int32.Parse(lineIn.Substring(indexOf, endIndex - indexOf + 1));
}
if (((indexOf = lineIn.IndexOf("wtime")) != -1) && board.Side == (int)Colour.WHITE)
{
indexOf += 6;
var endIndex = EndOfInteger(lineIn, indexOf);
time = Int32.Parse(lineIn.Substring(indexOf, endIndex - indexOf + 1));
}
if ((indexOf = lineIn.IndexOf("movestogo")) != -1)
{
indexOf += 10;
var endIndex = EndOfInteger(lineIn, indexOf);
movesToGo = Int32.Parse(lineIn.Substring(indexOf, endIndex - indexOf + 1));
}
if ((indexOf = lineIn.IndexOf("movetime")) != -1)
{
indexOf += 9;
var endIndex = EndOfInteger(lineIn, indexOf);
moveTime = Int32.Parse(lineIn.Substring(indexOf, endIndex - indexOf + 1));
}
// If depth variable exists.
if ((indexOf = lineIn.IndexOf("depth")) != -1)
{
indexOf += 6;
var endIndex = EndOfInteger(lineIn, indexOf);
depth = Int32.Parse(lineIn.Substring(indexOf, endIndex - indexOf + 1));
}
if (moveTime != -1) // if the movetime were set.
{
time = moveTime;
movesToGo = 1;
}
info.StartTime = Variables.Watch.ElapsedMilliseconds;
info.Depth = depth;
if (time != -1) // if time or movetime was set.
{
info.isTimeSet = true;
time /= movesToGo; // time per move
time -= 50; // decrement by 50 to avoid overrunning.
info.StopTime = info.StartTime + time + inc;
}
if (depth == -1)
{
info.Depth = Variables.MAX_DEPTH; // if no depth was specificed, we set it to max depth.
}
Console.Write("time:{0} start:{1} stop:{2} depth:{3} timeset:{4}\n", time, info.StartTime,
info.StopTime, info.Depth, info.isTimeSet);
board.Searcher.SearchPosition(ref info);
}