void OutputUCIInfo(MCTSManager manager, MCTSNode searchRootNode, bool isFinalInfo = false)
{
BestMoveInfo best = searchRootNode.BestMoveInfo(false);
if (numPV == 1)
{
UCIWriteLine(UCIInfo.UCIInfoString(manager, searchRootNode, best?.BestMoveNode,
showWDL: showWDL, scoreAsQ: scoreAsQ));
}
else
{
// Send top move
UCIWriteLine(UCIInfo.UCIInfoString(manager, searchRootNode, best.BestMoveNode, 1,
showWDL: showWDL, useParentN: !perPVCounters, scoreAsQ: scoreAsQ));
// Send other moves visited
MCTSNode[] sortedN = searchRootNode.ChildrenSorted(s => - (float)s.N);
int multiPVIndex = 2;
for (int i = 0; i < sortedN.Length && i < numPV; i++)
{
if (!object.ReferenceEquals(sortedN[i], best.BestMoveNode))
{
UCIWriteLine(UCIInfo.UCIInfoString(manager, searchRootNode, sortedN[i], multiPVIndex,
showWDL: showWDL, useParentN: !perPVCounters, scoreAsQ: scoreAsQ));
multiPVIndex++;
}
}
// Finally show moves that had no visits
float elapsedTimeSeconds = (float)(DateTime.Now - manager.StartTimeThisSearch).TotalSeconds;
string timeStr = $"{ elapsedTimeSeconds * 1000.0f:F0}";
for (int i = multiPVIndex - 1; i < searchRootNode.NumPolicyMoves; i++)
{
(MCTSNode node, EncodedMove move, FP16 p)info = searchRootNode.ChildAtIndexInfo(i);
if (info.node == null)
{
bool isWhite = searchRootNode.Annotation.Pos.MiscInfo.SideToMove == SideType.White;
EncodedMove moveCorrectPerspective = isWhite ? info.move : info.move.Flipped;
string str = $"info depth 0 seldepth 0 time { timeStr } nodes 1 score cp 0 tbhits 0 "
+ $"multipv {multiPVIndex} pv {moveCorrectPerspective.AlgebraicStr} ";
UCIWriteLine(str);
multiPVIndex++;
}
}
}
if (verboseMoveStats && (logLiveStats || isFinalInfo))
{
OutputVerboseMoveStats(CeresEngine.Search.SearchRootNode);
}
}
public static MGMove ToMGMove(MGPosition mgPos, EncodedMove encodedMove)
{
MGMoveList movesLegal = new MGMoveList();
MGMoveGen.GenerateMoves(in mgPos, movesLegal);
int indexLegalMove = MoveInMGMovesArrayLocator.FindMoveInMGMoves(in mgPos, movesLegal.MovesArray, encodedMove, 0, movesLegal.NumMovesUsed, mgPos.BlackToMove);
if (indexLegalMove == -1)
{
throw new Exception($"Move not found {encodedMove}");
}
return(movesLegal.MovesArray[indexLegalMove]);
// Move move = MGMoveConverter.ToMove(theMove);
}
// Version
// V4_STRUCT_STRING = '4s7432s832sBBBBBBBbffff'
// V3_STRUCT_STRING = '4s7432s832sBBBBBBBb'
/// <summary>
/// Dumps information about the training position to the Console.
/// </summary>
public unsafe void Dump()
{
Console.WriteLine("\r\nEncodedTrainingPosition");
Console.WriteLine("We are " + (Position.MiscInfo.InfoPosition.SideToMove == 0 ? "White" : "Black") + " result our perspective: " + Position.MiscInfo.InfoTraining.ResultFromOurPerspective);
Console.WriteLine("Relative points us " + Position.GetPlanesForHistoryBoard(0).RelativePointsUs);
for (int i = 0; i < 8; i++)
{
Console.WriteLine("History " + i + " " + Position.FENForHistoryBoard(i));
}
for (int i = 0; i < EncodedPolicyVector.POLICY_VECTOR_LENGTH; i++)
{
if (Policies.Probabilities[i] != 0 && !float.IsNaN(Policies.Probabilities[i]))
{
bool isPawnMove = false; // TO DO: fill in
bool isKingMove = false; // TO DO: fill in
EncodedMove lm = EncodedMove.FromNeuralNetIndex(i, isPawnMove, isKingMove);
}
}
}
internal void ApplySearchMoves()
{
// This is intended to be called only once, immediately after the root is evaluated.
Debug.Assert(Context.Root.N == 1 && !haveAppliedSearchMoves);
if (SearchMoves != null)
{
if (Context.RootMovesPruningStatus == null)
{
Context.RootMovesPruningStatus = new MCTSFutilityPruningStatus[Root.NumPolicyMoves];
}
// Start by assuming all are pruned.
Array.Fill(Context.RootMovesPruningStatus, MCTSFutilityPruningStatus.PrunedDueToSearchMoves);
// Specifically un-prune any which are specified as valid search moves.
foreach (Move move in SearchMoves)
{
bool found = false;
for (int i = 0; i < Root.NumPolicyMoves; i++)
{
EncodedMove moveEncoded = Root.ChildAtIndexInfo(i).move;
if (move.ToString().ToLower() == moveEncoded.AlgebraicStr)
{
Context.RootMovesPruningStatus[i] = MCTSFutilityPruningStatus.NotPruned;
found = true;
break;
}
}
if (!found)
{
throw new Exception($"Specified search move not found {move}");
}
}
}
haveAppliedSearchMoves = true;
}
public static MGMove ToMGMove(Position position, EncodedMove encodedMove) => ToMGMove(MGPosition.FromPosition(position), encodedMove);