public static SignalHub FindParentHub([NotNull] Component component)
{
if (component == null)
{
throw new ArgumentNullException("component");
}
SignalHub hub = FindHub(component);
if (!hub)
{
if (Application.isPlaying)
{
Debug.LogWarning("Can't find hub for " + component.name, component);
}
return(null);
}
SignalHub parent = FindHub(hub.transform.parent);
if (hub != parent)
{
return(parent);
}
if (hub != GlobalHub)
{
Debug.LogWarning("Can't find parent hub for " + component.name, component);
}
return(null);
}
public static void Unregister(Component receiver, int signal, SignalSpace direction = SignalSpace.Local)
{
if (IsQuitting)
{
return;
}
switch (direction)
{
case SignalSpace.Local:
SignalHub hub = FindHub(receiver);
hub.Unregister(receiver, signal);
break;
case SignalSpace.Parent:
SignalHub parentHub = FindParentHub(receiver);
parentHub.Unregister(receiver, signal);
break;
case SignalSpace.Global:
GlobalHub.Unregister(receiver, signal);
break;
default:
throw new ArgumentOutOfRangeException("direction", direction, null);
}
}
public static void Register([NotNull] ISignalReceiver receiver)
{
if (receiver == null)
{
throw new ArgumentNullException("receiver");
}
SignalHub hub = FindHub(receiver.Component);
if (!IsQuitting)
{
hub.Register(receiver);
}
}
public static SignalHub FindHub(Component component)
{
if (IsQuitting)
{
return(null);
}
if (!component)
{
return(GlobalHub);
}
SignalHub hub = component.GetComponentInParent <SignalHub>();
return(hub ? hub : GlobalHub);
}
public static void UnregisterAll(Component receiver)
{
if (IsQuitting)
{
return;
}
SignalHub hub = FindHub(receiver);
hub.UnregisterAll(receiver);
SignalHub parentHub = FindParentHub(receiver);
if (parentHub)
{
parentHub.UnregisterAll(receiver);
}
GlobalHub.UnregisterAll(receiver);
}
