public virtual FluentNodeHandler GetHandler()
{
// ?
if (currentHandler != null)
{
return(currentHandler);
}
// Get the handler type attribute defined on the class
FluentNodeHandlerAttribute handlerAttribute = (FluentNodeHandlerAttribute)this.GetType().GetCustomAttributes(true).FirstOrDefault(x => x.GetType() == typeof(FluentNodeHandlerAttribute));
if (handlerAttribute == null)
{
Debug.LogError("You need to specify the FluentNodeHandler for '" + GetType().Name + "' by adding the FluentNodeHandler attribute or overriding GetHandler()", GameObject);
return(null);
}
//
Type fluentNodeHandlerType = handlerAttribute.FluentNodeHandlerType;
// Make sure the handler is a monobehaviour
if (!fluentNodeHandlerType.IsSubclassOf(typeof(MonoBehaviour)))
{
Debug.LogError("Your FluentNodeHandlerType '" + fluentNodeHandlerType.Name + "' needs to inherit from MonoBehaviour", GameObject);
return(null);
}
// Try to get a component with the handler type from this game object
FluentNodeHandler handler = GameObject.GetComponent(fluentNodeHandlerType) as FluentNodeHandler;
if (handler == null)
{
// If the user had to add the handler explicitly but its missing, show an error
if (handlerAttribute.IsExplicit)
{
Debug.LogError("You have to explicitly add the '" + fluentNodeHandlerType.Name + "' handler for the '" + GetType().Name + "' FluentNode to work", GameObject);
return(null);
}
// Add the handler if we are allowed to
if (fluentNodeHandlerType != null)
{
handler = GameObject.AddComponent(fluentNodeHandlerType) as FluentNodeHandler;
}
}
currentHandler = handler;
return(currentHandler);
}
/// <summary>
/// If a node does not override Execute we'll try and see if it has a handler
/// If it does have a handler we start it, otherwise we just call Done
/// </summary>
/// <param name="fluentScript"></param>
public virtual void Execute()
{
// Try to get a handler
FluentNodeHandler handler = GetHandler();
// If there isn't a handler we complete the fluentnode
if (handler == null)
{
DoneDelegate(this);
return;
}
// Give this node to the handler we just created
handler.HandleFluentNode(this);
}
public FluentNode(GameObject gameObject)
{
InterruptDelegate = null;
currentHandler = null;
GameObject = gameObject;
}
