/// <summary>
/// Create a new ChessGame object
/// </summary>
/// <param name="engineView">IChessBoardView to use</param>
/// <param name="fullPathToEngine">Full path the chess engine exe</param>
/// <param name="engineLoader">object to load engine given path</param>
/// <param name="reduceEngineStrength">true to make the engine weaker</param>
/// <param name="cultureInfo">CultureInfo for main form</param>
public ChessGame(IChessBoardView engineView, string fullPathToEngine,
IChessEngineProcessLoader engineLoader, bool reduceEngineStrength, CultureInfo cultureInfo)
{
// Save the view
view = engineView;
// Save culture for this thread
currentCultureInfo = cultureInfo;
Thread.CurrentThread.CurrentCulture = currentCultureInfo;
Thread.CurrentThread.CurrentUICulture = currentCultureInfo;
ThinkingLocalized = Properties.Resources.Thinking;
// Create legal move list
legalMoves = new List <BoardSquare>();
selectedPiece = null;
// Create the board, the view, and the engine
// Create new UCI engine object
engine = new UCIChessEngine(engineLoader);
// Subscribe to events from the engine (commands and verbose)
engine.OnChessEngineResponseReceived += ChessEngineResponseReceivedEventHandler;
engine.OnChessEngineVerboseOutputReceived += ChessEngineVerboseOutputReceivedEventHandler;
// This will launch the process
engine.LoadEngine(fullPathToEngine);
// Start UCI
engine.InitializeUciProtocol();
// Initialize the chess engine with optional parameters
// Note this is engine dependent and this version only works with stockfish (to my knowledge)
// Other UCI engines use different options, several a combination of UCI_LimitStrength and UCI_ELO
// Eventually this will need to be handled in some options dialog that will either
// be customizable per engine, or provide a standard way to select things like play strength and time
if (reduceEngineStrength)
{
string exeName = Path.GetFileName(fullPathToEngine);
exeName = exeName.ToLower();
string gimpedElo = String.Empty;
//No Options listed (when tested at console)
//===================
//SOS 5 Arena
//Anmon 5.75
//Hermann28_32
//Ruffian 105
if (exeName.StartsWith("stockfish_8"))
{
UciSetOptionCommand command = new UciSetOptionCommand("Skill Level", "0");
command.Execute(engine);
}
else if (exeName.StartsWith("rybkav2.3.2a"))
{
gimpedElo = "1200";
}
else if (exeName.StartsWith("spike1.4"))
{
gimpedElo = "1300";
}
//MadChess
//option name UCI_LimitStrength type check default false
//option name UCI_Elo type spin default 400 min 400 max 2200
// Removed because it seems to take forever to return once this is
// set with the engine. The same behavior at the console, so
// ignore it here
if (gimpedElo != String.Empty)
{
UciSetOptionCommand reduceEloCommand = new UciSetOptionCommand("UCI_LimitStrength", "true");
reduceEloCommand.Execute(engine);
UciSetOptionCommand setEloRating = new UciSetOptionCommand("UCI_Elo", gimpedElo);
setEloRating.Execute(engine);
}
}
}
/// <summary>
/// Sets a given option name with a value (if provided)
/// </summary>
/// <param name="optionName">engine dependent option name</param>
/// <param name="optionValue">option dependent value</param>
public void SetOption(string optionName, string optionValue = null)
{
UciSetOptionCommand command = new UciSetOptionCommand(optionName, optionValue);
command.Execute(this);
}
