private static void PopulatePawnMoves(
ICollection <GameMoveData> resultMoves,
Bitboard destinationsBitboard,
int moveOffset,
GameMoveFlags moveFlags)
{
var isPawnPromotion = (moveFlags & GameMoveFlags.IsPawnPromotion) != 0;
while (destinationsBitboard.IsAny)
{
var targetSquareIndex = Bitboard.PopFirstSquareIndex(ref destinationsBitboard);
var move = new GameMove(
new Square(targetSquareIndex - moveOffset),
new Square(targetSquareIndex));
if (isPawnPromotion)
{
var promotionMoves = move.MakeAllPromotions();
foreach (var promotionMove in promotionMoves)
{
resultMoves.Add(new GameMoveData(promotionMove, moveFlags));
}
}
else
{
resultMoves.Add(new GameMoveData(move, moveFlags));
}
}
}
