protected Boolean probeXPM(Depth wDepth, Eval mAlpha, Eval mBeta, Move moveExcluded, List <GoodMove> goodMoves)
{
#if XPMCompositionHash
var bWTM = WTM();
UInt32 wPly = State.MovePly;
var nSide = bWTM ? 0 : 1;
var uMemoHash = compositionHash(bWTM);
var qDynamic = (Hashcode)(uMemoHash * wPly + nSide);
#else
var qDynamic = DynamicHash(moveExcluded);
#endif
#if XPHash128
var match = new PositionMove(qDynamic, HashPawn, State.MovePly, wDepth);
#else
var match = new PositionMove(qDynamic, State.MovePly, wDepth);
#endif
var matches = new List <PositionMove>();
State.XPMTank.Load(match, matches);
var bFound = matches.Count > 0;
foreach (var found in matches)
{
var moveFound = adjustEmptyMove(found.BestMove);
var etFound = found.Type;
var mValueFound = found.Value;
traceVal("probeXPM", mValueFound, etFound); //[Conditional]
var mValue = addMove(moveFound, goodMoves, wDepth, mValueFound, mAlpha, mBeta, etFound);
}
return(bFound);
}
private Point GetDeltaMove()
{
Point CurrentPosition = Mouse.GetPosition(this.Canvas);
Point result = new Point();
if (!PositionMove.IsClear())
{
result = CurrentPosition.Subtraction(PositionMove);
}
PositionMove = CurrentPosition;
return(result);
}
protected Eval storeXPM(Depth wDepth, Eval mValue, EvalType et,
Move moveBest = Move.Undefined,
Move moveExcluded = Move.Undefined) // 10 MHz
{
Trace.Assert(EvalUndefined < mValue, "storeXPM(EvalUndefined)");
traceVal("storeXPM", mValue, et); //[Conditional]
State.IncEvalType(et);
#if XPMCompositionHash || DebugMoveColor
var bWTM = WTM();
#endif
#if XPMCompositionHash
UInt32 wPly = State.MovePly;
var nSide = bWTM ? 0 : 1;
var uMemoHash = compositionHash(bWTM);
var qDynamic = (Hashcode)(uMemoHash * wPly + nSide);
#else
var qDynamic = DynamicHash(moveExcluded);
#endif
var mAdjusted = creditMate(mValue, SearchPly);
if (IsFinal())
{
Trace.Assert(!isDefined(moveBest), "moveBest defined in a Final position.");
moveBest = Move.EmptyMove;
}
#if DebugMoveColor
if (isDefinite(moveBest))
{
var bWhiteMove = (moveBest & Move.WTM) != 0;
if (bWTM != bWhiteMove)
{
Debug.Assert(bWTM == bWhiteMove, "WTM != WhiteMove [storeXPM]");
DisplayCurrent("storeXPM()");
}
}
#endif
#if XPHash128
var store = new PositionMove(qDynamic, HashPawn, State.MovePly, wDepth,
mAdjusted, et, moveBest);
#else
var store = new PositionMove(qDynamic, State.MovePly, wDepth,
mAdjusted, et, moveBest);
#endif
State.XPMTank.Save(store);
return(mValue);
}
private void OnEventMouseUp(MouseButtonEventArgs e)
{
this.ReleaseMouseCapture();
PositionMove.Clear();
Keyboard.Focus(this);
}
