public override MoveEventResponse TestForWinLossDraw(int currentPlayer, int ply)
{
MaterialHashType type = lookupPosition();
if (type == MaterialHashType.InstantDraw)
{
return(MoveEventResponse.GameDrawn);
}
return(MoveEventResponse.NotHandled);
}
public override void AdjustEvaluation(ref int midgameEval, ref int endgameEval)
{
MaterialHashType type = lookupPosition();
if (type == MaterialHashType.ZeroEvaluation ||
type == MaterialHashType.InstantDraw)
{
midgameEval = 0;
endgameEval = 0;
return;
}
if (type == MaterialHashType.EvalDivideByFour)
{
midgameEval /= 4;
endgameEval /= 4;
return;
}
if (type == MaterialHashType.ValueFunctionKXK)
{
evaluateKxK(ref midgameEval, ref endgameEval);
return;
}
if (type == MaterialHashType.ValueFunctionKRKP)
{
evaluateKRKP(ref midgameEval, ref endgameEval);
return;
}
if (type == MaterialHashType.ValueFunctionKRKB)
{
evaluateKRKB(ref midgameEval, ref endgameEval);
return;
}
if (type == MaterialHashType.ValueFunctionKRKN)
{
evaluateKRKN(ref midgameEval, ref endgameEval);
return;
}
}