public static void FilterWithDispatcher <TDispatcher>(this EcsSystem system, Func <TDispatcher, int> getMatchId, Action <int> handler, params Type[] forTypes)
where TDispatcher : EcsDispatcher
{
system.OnEvent <ComponentCreatedEvent>().Where(p => forTypes.Contains(p.Component.GetType()))
.Subscribe(_ =>
{
var component = _.Component as EcsComponent;
if (component == null)
{
return;
}
var d = component.gameObject.GetComponent <TDispatcher>();
if (d != null)
{
return;
}
var entityId = component.EntityId;
component.gameObject
.AddComponent <TDispatcher>()
.EntityId = entityId
;
system.OnEvent <TDispatcher>()
.Where(p => getMatchId(p) == component.EntityId)
.Subscribe(x => handler(x.EntityId))
.DisposeWith(system);
})
.DisposeWith(system);
;
}
public static IEnumerable <IEcsComponent> MergeByEntity(this EcsSystem system, params IEcsComponentManager[] managers)
{
var list = new HashSet <int>();
foreach (var manager in managers)
{
foreach (var item in manager.All)
{
if (list.Contains(item.EntityId))
{
continue;
}
yield return(item);
list.Add(item.EntityId);
}
}
}
