public SystemVM GetSystem(Guid bodyGuid)
{
Entity bodyEntity;
Guid rootGuid = new Guid();
if (_systemDictionary.ContainsKey(bodyGuid))
{
rootGuid = bodyGuid;
}
else if (Game.GlobalManager.FindEntityByGuid(bodyGuid, out bodyEntity))
{
if (bodyEntity.HasDataBlob <OrbitDB>())
{
rootGuid = bodyEntity.GetDataBlob <OrbitDB>().ParentDB.Root.Guid;
}
}
else
{
throw new GuidNotFoundException(bodyGuid);
}
if (!_systemDictionary.ContainsKey(rootGuid))
{
SystemVM systemVM = SystemVM.Create(this, rootGuid);
_systems.Add(systemVM);
_systemDictionary.Add(rootGuid, systemVM);
}
return(_systemDictionary[rootGuid]);
}
/// <summary>
/// Creates and fills out the properties of this ViewModel from the provided entity.
/// </summary>
public static SystemVM Create(GameVM gameVM, StarSystem starSystem)
{
SystemVM newVM = new SystemVM(gameVM, starSystem);
// Initialize the data.
newVM.Refresh();
return(newVM);
}
/// <summary>
/// Creates and fills out the properties of this ViewModel from the provided entity.
/// </summary>
public static StarVM Create(GameVM gameVM, Entity entity, SystemVM systemVM)
{
StarVM newVM = new StarVM(gameVM, entity);
// Initialize the data.
newVM.Init(systemVM);
newVM.Refresh();
return(newVM);
}
/// <summary>
/// Creates and fills out the properties of this ViewModel from the entity with the provided Guid.
/// </summary>
/// <exception cref="InvalidOperationException">Cannot create a Planet ViewModel without an initialized game.</exception>
/// <exception cref="GuidNotFoundException">Thrown when the supplied Guid is not found in the game.</exception>
internal static StarVM Create(GameVM gameVM, Guid guid, SystemVM systemVM)
{
if (gameVM.Game == null)
{
throw new InvalidOperationException("Cannot create a StarVM without an initialized game.");
}
Entity entity;
if (!gameVM.Game.GlobalManager.FindEntityByGuid(guid, out entity))
{
throw new GuidNotFoundException(guid);
}
return(Create(gameVM, entity, systemVM));
}
public void Init(SystemVM systemVM)
{
_system = systemVM;
_childStars = new BindingList <StarVM>();
_childPlanets = new BindingList <PlanetVM>();
if (Entity.GetDataBlob <OrbitDB>().Parent != null)
{
_parentStarGuid = Entity.GetDataBlob <OrbitDB>().Parent.Guid;
}
foreach (var childOrbit in Entity.GetDataBlob <OrbitDB>().Children)
{
if (childOrbit.HasDataBlob <StarInfoDB>())
{
_childStars.Add(_system.GetStar(childOrbit.Guid));
}
else if (childOrbit.HasDataBlob <SystemBodyInfoDB>())
{
_childPlanets.Add(_system.GetPlanet(childOrbit.Guid));
}
}
}