/// <summary>
/// Constructor
/// </summary>
/// <param name="from"></param>
/// <param name="to"></param>
/// <param name="flags"></param>
public MGMove(byte from, byte to, MGChessMoveFlags flags)
{
Debug.Assert(from != to);
Debug.Assert(from < 64);
Debug.Assert(to < 64);
FromSquareIndex = from;
ToSquareIndex = to;
Flags = flags;
// Obviate requirement of definite assignment to all fields
Unsafe.SkipInit <short>(out FromAndToCombined);
}
/// <summary>
/// Constructor (with piece specified).
/// </summary>
/// <param name="from"></param>
/// <param name="to"></param>
/// <param name="piece"></param>
/// <param name="flags">optional flags other than piece</param>
public MGMove(byte from, byte to, MGPositionConstants.MCChessPositionPieceEnum piece, MGChessMoveFlags flags)
{
Debug.Assert(from < 64);
Debug.Assert(to < 64);
Debug.Assert(from != to);
Debug.Assert((flags & MGChessMoveFlags.Piece) == 0); // not expected to have already set
FromSquareIndex = from;
ToSquareIndex = to;
Flags = flags;
// Obviate requirement of definite assignment to all fields
Unsafe.SkipInit <short>(out FromAndToCombined);
Piece = piece;
}
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="from"></param>
/// <param name="to"></param>
/// <param name="flags"></param>
public MGMove(MGMove otherMove, bool flip)
{
if (!flip)
{
FromSquareIndex = otherMove.FromSquareIndex;
ToSquareIndex = otherMove.ToSquareIndex;
Flags = otherMove.Flags;
}
else
{
FromSquareIndex = FlipSquare(otherMove.FromSquareIndex);
ToSquareIndex = FlipSquare(otherMove.ToSquareIndex);
Flags = otherMove.Flags ^ MGChessMoveFlags.BlackToMove;
}
// Obviate requirement of definite assignment to all fields
Unsafe.SkipInit <short>(out FromAndToCombined);
}
