private static void PopulatePawnMoves(
ICollection <GameMoveData2> 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 GameMove2(
new Square(targetSquareIndex - moveOffset),
new Square(targetSquareIndex));
if (isPawnPromotion)
{
var promotionMoves = move.MakeAllPromotions();
foreach (var promotionMove in promotionMoves)
{
resultMoves.Add(new GameMoveData2(promotionMove, moveFlags));
}
}
else
{
resultMoves.Add(new GameMoveData2(move, moveFlags));
}
}
}
private static void PopulateSimpleMoves(
ICollection <GameMoveData2> resultMoves,
Square sourceSquare,
Bitboard destinationsBitboard,
GameMoveFlags moveFlags)
{
while (destinationsBitboard.IsAny)
{
var targetSquareIndex = Bitboard.PopFirstSquareIndex(ref destinationsBitboard);
var move = new GameMove2(sourceSquare, new Square(targetSquareIndex));
resultMoves.Add(new GameMoveData2(move, moveFlags));
}
}
public void TestIsKingCastling(GameMoveFlags value, bool expectedResult)
{
Assert.That(value.IsKingCastling(), Is.EqualTo(expectedResult));
}
public void TestIsAnyCapture(GameMoveFlags value, bool expectedResult)
{
Assert.That(value.IsAnyCapture(), Is.EqualTo(expectedResult));
}
public void TestIsPawnPromotion(GameMoveFlags value, bool expectedResult)
{
Assert.That(value.IsPawnPromotion(), Is.EqualTo(expectedResult));
}
public void TestIsAnySet(GameMoveFlags value, GameMoveFlags flagsToCheck, bool expectedResult)
{
Assert.That(value.IsAnySet(flagsToCheck), Is.EqualTo(expectedResult));
}
internal GameMoveData2(GameMove2 move, GameMoveFlags moveFlags)
{
Move = move;
MoveFlags = moveFlags;
}
internal GameMoveData([NotNull] GameMove move, GameMoveFlags moveFlags)
{
Move = move ?? throw new ArgumentNullException(nameof(move));
MoveFlags = moveFlags;
}
public static bool IsQuietMove(GameMoveFlags moveFlags)
{
return(!moveFlags.IsAnyCapture() && !moveFlags.IsPawnPromotion());
}
public OrderedMove([NotNull] GameMove move, GameMoveFlags moveFlags)
{
Move = move ?? throw new ArgumentNullException(nameof(move));
MoveFlags = moveFlags;
}
public static bool IsAnySet(this GameMoveFlags value, GameMoveFlags flags) => (value & flags) != 0;
public static bool IsKingCastling(this GameMoveFlags value) => value.IsAnySet(GameMoveFlags.IsKingCastling);
public static bool IsAnyCapture(this GameMoveFlags value) => value.IsAnySet(GameMoveFlags.IsRegularCapture | GameMoveFlags.IsEnPassantCapture);
public static bool IsPawnPromotion(this GameMoveFlags value) => value.IsAnySet(GameMoveFlags.IsPawnPromotion);
