/// <summary>
/// Initializes a new instance of the <see cref="FriendlyBoard"/> class.
/// </summary>
public FriendlyBoard()
{
Pieces = new FriendlyPiecesList();
Attacks = new FriendlyAttacksList();
Castling = new FriendlyCastling();
EnPassant = new FriendlyEnPassant();
}
/// <summary>
/// Initializes a new instance of the <see cref="FriendlyBoard"/> class.
/// </summary>
/// <param name="bitboard">The bitboard.</param>
public FriendlyBoard(Bitboard bitboard)
{
Pieces = new FriendlyPiecesList(bitboard.Pieces);
Attacks = new FriendlyAttacksList(bitboard.Attacks, Pieces);
Castling = new FriendlyCastling(bitboard.CastlingPossibility, bitboard.CastlingDone);
EnPassant = new FriendlyEnPassant(bitboard.EnPassant);
}
/// <summary>
/// Initializes a new instance of the <see cref="FriendlyAttacksList"/> class.
/// </summary>
/// <param name="attacks">The array of attack bitboards (where index means field index (source piece position),
/// and set bits are the destination attack positions.</param>
/// <param name="pieces">The list of pieces.</param>
public FriendlyAttacksList(ulong[] attacks, FriendlyPiecesList pieces)
{
for (var i = 0; i < 64; i++)
{
var fieldAttackers = attacks[i];
var targetPosition = BitPositionConverter.ToPosition(i);
while (fieldAttackers != 0)
{
var attackerLSB = BitOperations.GetLSB(fieldAttackers);
fieldAttackers = BitOperations.PopLSB(fieldAttackers);
var attackerIndex = BitOperations.GetBitIndex(attackerLSB);
var attackerPosition = BitPositionConverter.ToPosition(attackerIndex);
var attackerColor = pieces.First(p => p.Position == attackerPosition).Color;
Add(new FriendlyAttack(attackerColor, attackerPosition, targetPosition));
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="FriendlyBoard"/> class.
/// </summary>
/// <param name="pieces">The pieces list.</param>
/// <param name="castling">The castling data.</param>
/// <param name="enPassant">The en passant data.</param>
public FriendlyBoard(FriendlyPiecesList pieces, FriendlyCastling castling, FriendlyEnPassant enPassant)
{
Pieces = pieces;
Castling = castling;
EnPassant = enPassant;
}