private void UnReplacePawn(IPiece piece, IPiece pawn)
{
if (ToMove == Side.Black)
{
for (int i = 0; i < whitePieceList.Length; ++i)
{
if (whitePieceList[i] == piece)
{
whitePieceList[i] = pawn;
pawn.ForceSquare(piece.HomeSquare);
ZKey ^= pawn.ZKey;
break;
}
}
}
else
{
for (int i = 0; i < blackPieceList.Length; ++i)
{
if (blackPieceList[i] == piece)
{
blackPieceList[i] = pawn;
pawn.ForceSquare(piece.HomeSquare);
ZKey ^= pawn.ZKey;
break;
}
}
}
}
private void ReplacePawn(IPiece pawn, IPiece iPiece)
{
if (ToMove == Side.White)
{
for (int i = 0; i < whitePieceList.Length; ++i)
{
if (whitePieceList[i] == pawn)
{
iPiece.ForceSquare(pawn.HomeSquare);
ZKey ^= iPiece.ZKey;
whitePieceList[i] = iPiece;
break;
}
}
}
else
{
for (int i = 0; i < blackPieceList.Length; ++i)
{
if (blackPieceList[i] == pawn)
{
iPiece.ForceSquare(pawn.HomeSquare);
ZKey ^= iPiece.ZKey;
blackPieceList[i] = iPiece;
break;
}
}
}
promoted.Push(pawn);
}
