public LocalAreaViewResult FindLocalSystems(ScreenSize screenSize)
{
if (screenSize == null) throw new ArgumentNullException("screenSize");
var currentUser = _securityManager.GetCurrentUserAccount();
if (currentUser == null) throw new CurrentUserNotFoundException();
var localAreaView = new LocalAreaView(currentUser.FocusCoordinates, screenSize);
var solarSystems = _solarSystems.FindSystemsInLocalArea(localAreaView);
var screenCornerX = localAreaView.FocusCoordinates.X - ((screenSize.Width - 1) / 2);
var screenCornerY = localAreaView.FocusCoordinates.Y - ((screenSize.Height - 1) / 2);
var relative = solarSystems.Select(s => new RelativeSolarSystem
{
Coordinates = s.Coordinates,
Name = s.Name,
SolarSystemID = s.SolarSystemID,
ScreenOffset = new ScreenOffSet
{
X = (int)(s.Coordinates.X - screenCornerX),
Y = (int)(s.Coordinates.Y - screenCornerY)
}
});
return new LocalAreaViewResult(currentUser.FocusCoordinates, screenSize, relative);
}
public LocalAreaView(Coordinates focusCoordinates, ScreenSize screenSize)
{
if (focusCoordinates == null) throw new ArgumentNullException("focusCoordinates");
if (screenSize == null) throw new ArgumentNullException("screenSize");
FocusCoordinates = focusCoordinates;
ScreenSize = screenSize;
}