private IEnumerable <BoardWithHistory> EnumSim(BoardWithHistory currentBoard, Piece.PlayerColour currentColour, int currentMoveNum, Predicate <ConditionalStruct> condition)
{
if (condition(new ConditionalStruct {
Board = currentBoard.Board, MoveCount = currentMoveNum
}))
{
yield return(currentBoard);
}
else
{
Piece.PlayerColour nextColour = currentColour == Piece.PlayerColour.White ? Piece.PlayerColour.Black : Piece.PlayerColour.White;
foreach (Piece p in currentBoard.Board.EnumeratePieces(currentColour))
{
foreach (Cell move in p.GetPossibleMoves())
{
Board nextBoard = currentBoard.Board.SimulateMove(p.ParentCell, move);
BoardWithHistory nextBWH = new BoardWithHistory()
{
Board = nextBoard,
BoardHistory = currentBoard.BoardHistory + "\r\n\r\n" + nextBoard.BoardString,
};
foreach (BoardWithHistory returnedBoard in EnumSim(nextBWH, nextColour, currentMoveNum + 1, condition))
{
yield return(returnedBoard);
}
}
}
}
}
public IEnumerable <BoardWithHistory> EnumSimTill(Piece.PlayerColour startColour, Predicate <ConditionalStruct> condition)
{
Board copyOfBoard = this.Clone() as Board;
BoardWithHistory copyOfBoardWH = new BoardWithHistory()
{
Board = copyOfBoard,
BoardHistory = copyOfBoard.BoardString,
};
foreach (BoardWithHistory simBoard in EnumSim(copyOfBoardWH, startColour, 0, condition))
{
yield return(simBoard);
}
}
