private void model_Moved(object sender, MoveEventArgs e)
{
if (isModelLoadingMoves)
{
return;
}
// if in navigational mode (possible only if the human player has moved)
if (navMode)
{
// request for AI turn
RequestForAITurn();
// exit navigational mode
navMode = false;
}
// if the game has not ended and if it is engine turn
if (!model.IsEnded && AITurn)
{
// start engine thinking
EngineInputParameters inputParams = GetEngineInputParams();
engineWorker.RunWorkerAsync(inputParams);
}
}
/// <summary>
/// Starts engine thinking.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected override void engineWorker_DoWork(object sender, DoWorkEventArgs e)
{
EngineInputParameters inputParams = e.Argument as EngineInputParameters;
// call the web service engine synchronously
string canMove = engineService.GetNextMove(inputParams.FEN, inputParams.RepetitiveMoveCandidate, inputParams.DepthLevel);
e.Result = Utils.GetCANMove(model, canMove);
}
/// <summary>
/// Gets the engine input parameters from the current game.
/// </summary>
/// <returns></returns>
private EngineInputParameters GetEngineInputParams()
{
EngineInputParameters inputParams = new EngineInputParameters();
// set the current board FEN
inputParams.FEN = Utils.GetFEN(model.CurrentBoard);
// set the repetitive move candidate
Move repMove = model.RepetitiveMoveCandidate;
inputParams.RepetitiveMoveCandidate = repMove != null?Utils.GetCAN(repMove) : null;
// set the depth level
inputParams.DepthLevel = OpponentsSettings.Default.AIOpponentLevel;
return(inputParams);
}
/// <summary>
/// Force engine to start thinking and move.
/// </summary>
internal void ForceAIMove()
{
if (model == null || !model.IsInitialized)
{
return;
}
// if the game has not ended and the engine has ended thinking
if (!model.IsEnded && !engineWorker.IsBusy)
{
// exit navigational mode
navMode = false;
// request for AI turn
RequestForAITurn();
// start engine thinking
EngineInputParameters inputParams = GetEngineInputParams();
engineWorker.RunWorkerAsync(inputParams);
}
}