public bool IsValidPosition(BoardPosition position)
{
if(!IsInBounds(position))
return false;
Key key = GetKeyInternal(position.X, position.Y);
if (key == Key.Invalid)
return false;
return true;
}
private List<BoardPosition> GetPotentialMoves(BoardPosition cp)
{
List<BoardPosition> potentialMoves = new List<BoardPosition>();
int CX = cp.X; //current X
int CY = cp.Y; //current Y
//there are 8 possible knight moves
potentialMoves.Add(new BoardPosition() { X = CX - 1, Y = CY + 2 });
potentialMoves.Add(new BoardPosition() { X = CX + 1, Y = CY + 2 });
potentialMoves.Add(new BoardPosition() { X = CX - 1, Y = CY - 2 });
potentialMoves.Add(new BoardPosition() { X = CX + 1, Y = CY - 2 });
potentialMoves.Add(new BoardPosition() { X = CX - 2, Y = CY - 1 });
potentialMoves.Add(new BoardPosition() { X = CX - 2, Y = CY + 1 });
potentialMoves.Add(new BoardPosition() { X = CX + 2, Y = CY + 1 });
potentialMoves.Add(new BoardPosition() { X = CX + 2, Y = CY - 1 });
return potentialMoves;
}
private bool IsInBounds(BoardPosition position)
{
return IsValidXPosition(position.X) && IsValidYPosition(position.Y);
}
public Key GetKey(BoardPosition position)
{
if(!IsValidPosition(position))
throw new InvalidPositionException(position.ToString());
return GetKeyInternal(position.X, position.Y);
}
