private OrbitObject GetOrAddObject(HashSet <OrbitObject> set, OrbitObject obj)
{
OrbitObject result = null;
if (set.TryGetValue(obj, out result))
{
return(result);
}
else
{
set.Add(obj);
return(obj);
}
}
private HashSet <OrbitObject> LoadData()
{
var orbits = input.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);
var orbitObjects = new HashSet <OrbitObject>();
foreach (string orbit in orbits)
{
var parent = new OrbitObject(orbit.Split(')')[0]);
var satellite = new OrbitObject(orbit.Split(')')[1]);
parent = GetOrAddObject(orbitObjects, parent);
satellite = GetOrAddObject(orbitObjects, satellite);
parent.Satellites.Add(satellite);
satellite.Parent = parent;
}
return(orbitObjects);
}