// reset after Add
MoveGenState Reset()
{
From = Position;
To = null;
_move = MoveModel.Create(TurnPlayer, Position, Piece);
_changes.Clear();
_captures.Clear();
return(this);
}
// generate actual moves if not done already during condition checking
// assumes CurrentPlayer set already
internal void GenerateMoves()
{
if (!_donemovegen)
{
LegalMoves.AddRange(_game.CreateDrops(this));
LegalMoves.AddRange(_game.CreateMoves(this));
var passoption = _game.Def.GetProperty("pass turn") ?? OptionValue.False;
var allowpass = passoption.Equals(OptionValue.True) ||
(LegalMoves.Count == 0 && passoption.Equals(OptionValue.Forced));
if (allowpass)
{
LegalMoves.Insert(0, MoveModel.Create(Turn.TurnPlayer, PositionValue.None, PieceValue.None));
}
_donemovegen = true;
}
}
