public static MoveStack MoveStack(string input, Board board, Color color)
{
int file = 0;
int rank = 0;
var counter = 0;
int howManyToTake = 1;
var first = input[counter];
if (char.IsNumber(input[counter]))
{
howManyToTake = int.Parse(input[counter].ToString());
counter++;
if (howManyToTake > board.Dimension)
{
throw new InvalidOperationException($"Cannot take more than Board dimension # of pieces ({board.Dimension})");
}
}
//file@
file = Board.Files.IndexOf(input[counter].ToString().ToUpper()[0]); //get the index from the letter of the file
counter++;
//rank
rank = int.Parse(input[counter].ToString()) - 1;
counter++;
//driection
var direction = input[counter];
counter++;
//drop values
var remainder = input.Substring(counter);
var dropValues = remainder.Trim().Select(x => int.Parse(x.ToString().Trim())).ToList();
if (!dropValues.Any()) // if no number specified, assume one
{
dropValues.Add(1);
}
if (howManyToTake != dropValues.Sum())
{
throw new InvalidOperationException("Not accounting for each stone taken");
}
//now build the move sets based on this.
var moveDrops = new List <MoveDrop>();
var sourceSquare = board.GetSquare(file, rank);
foreach (var drop in dropValues)
{
moveDrops.Add(MoveInDirection(ref file, ref rank, direction, drop));
}
var(bottom, top) = StoneStack.Split(sourceSquare.Pieces, howManyToTake);
var ret = new MoveStack(top, board, moveDrops);
return(ret);
}
