IEnumerable <IntegerVector2> PredictMoveableColumns(IntegerVector2 hypotheticalPosition, IReadOnlyPiece movingPiece)
{
List <IntegerVector2> result = new List <IntegerVector2>();
if (movingPiece == null || !board.IsOnBoard(hypotheticalPosition))
{
return(result);
}
for (int i = 0; i < board.Width; i++)
{
for (int j = 0; j < board.Height; j++)
{
IntegerVector2 currentPosition = new IntegerVector2(i, j);
bool isFrontPlayer = movingPiece.Owner != null && movingPiece.Owner.Encampment == Encampment.Front;
IntegerVector2 relativePosition = (currentPosition - hypotheticalPosition) * (isFrontPlayer ? -1 : 1);
PieceMovement unused;
if (board.IsOnBoard(currentPosition) &&
movingPiece.TryToGetPieceMovementByRelativePosition(relativePosition, out unused))
{
result.Add(currentPosition);
}
}
}
return(result);
}
public IEnumerable <PublicDataType.IntegerVector2> PredictMoveableColumns(PublicDataType.IntegerVector2 hypotheticalPosition, IReadOnlyPiece movingPiece)
{
if (movingPiece == null || !board.IsOnBoard(hypotheticalPosition))
{
return(Enumerable.Empty <PublicDataType.IntegerVector2>());
}
bool isFrontPlayer = movingPiece.Owner != null && movingPiece.Owner.Encampment == Terminologies.Encampment.Front;
PieceMovement unused;
IEnumerable <PublicDataType.IntegerVector2> allColumn
= Enumerable.Range(0, board.Width * board.Height)
.Select(x => new PublicDataType.IntegerVector2(x / board.Height, x % board.Height));
IEnumerable <PublicDataType.IntegerVector2> moveable = allColumn
.Select(absolutePosition => (absolutePosition - hypotheticalPosition) * (isFrontPlayer ? -1 : 1))
.Where(relativePosition => movingPiece.TryToGetPieceMovementByRelativePosition(relativePosition, out unused))
.Select(relativePosition => relativePosition * (isFrontPlayer ? -1 : 1) + hypotheticalPosition);
return(moveable);
}