public static Direction Convert(this RSIDirection dir)
{
switch (dir)
{
case RSIDirection.South:
return(Direction.South);
case RSIDirection.North:
return(Direction.North);
case RSIDirection.East:
return(Direction.East);
case RSIDirection.West:
return(Direction.West);
case RSIDirection.SouthEast:
return(Direction.SouthEast);
case RSIDirection.SouthWest:
return(Direction.SouthWest);
case RSIDirection.NorthEast:
return(Direction.NorthEast);
case RSIDirection.NorthWest:
return(Direction.NorthWest);
}
throw new ArgumentException($"Unknown RSI dir: {dir}.", nameof(dir));
}
/// <summary>
/// 'Rounds' a diagonal direction down to a cardinal direction
/// </summary>
/// <param name="dir">The direction to round</param>
/// <returns><paramref name="dir"/> if it's a cardinal direction, otherwise either north or
/// south.</returns>
public static RSIDirection RoundToCardinal(this RSIDirection dir)
{
switch (dir)
{
case RSIDirection.NorthEast:
case RSIDirection.NorthWest:
return(RSIDirection.North);
case RSIDirection.SouthEast:
case RSIDirection.SouthWest:
return(RSIDirection.South);
default:
return(dir);
}
}
