public Entity(string name)
{
this.name = name;
Components = new EntityComponentCollection(this);
Children.CollectionChanged += Children_CollectionChanged;
Components.CollectionChanged += Components_CollectionChanged;
Components.Add(Transform);
}
private void OnComponentsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
EntityComponentCollection entityComponentCollection = (EntityComponentCollection)sender;
Entity entity = entityComponentCollection.Entity;
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
foreach (EntityComponent component in e.NewItems.Cast <EntityComponent>())
{
Add(component, entity);
UpdateDependentSystems(entity, component);
}
break;
case NotifyCollectionChangedAction.Remove:
foreach (EntityComponent component in e.OldItems.Cast <EntityComponent>())
{
Remove(component, entity);
UpdateDependentSystems(entity, component);
}
break;
}
}