/// <summary>
/// BehaviourMachine callback to update the members.
/// </summary>
public virtual void UpdateLogic()
{
// Validate Blackboard
if (m_Blackboard == null)
{
m_Blackboard = GetComponent <InternalBlackboard>();
}
// Validate name
if (string.IsNullOrEmpty(m_StateName))
{
m_StateName = GetType().Name;
}
// Validate parent
if (m_Parent != null && m_Parent.gameObject != gameObject)
{
m_Parent = m_LastParent != null && m_LastParent.gameObject == gameObject ? m_LastParent : null;
this.enabled = m_Parent == null;
}
// Check for invalid events destinations
for (int i = 0; i < m_Transitions.Length; i++)
{
// The destination state is not in this game object?
var destination = m_Transitions[i].destination;
if (destination != null && destination.parent != m_Parent)
{
m_Transitions[i].destination = null;
}
}
}
/// <summary>
/// Returns True if the supplied parent is an ancestor of the state.
/// <param name="parent">The parent to test.</param>
/// <returns>True if the node is in the supplied parent hierarchy; False otherwise.</returns>
/// </summary>
public bool IsAncestor(ParentBehaviour parent)
{
for (var grandfather = m_Parent; grandfather != null; grandfather = grandfather.parent)
{
if (grandfather == parent)
{
return(true);
}
}
return(false);
}
/// <summary>
/// Use the event to change the enabled state in the StateMachine.
/// The event is processed top-down, starting from the root InternalStateBehaviour.
/// <param name="eventID">The id of the event.</param>
/// <returns>Returns True if the event was used; False otherwise.</returns>
/// </summary>
public bool SendEvent(int eventID)
{
// Try to call ProcessEvent on the root parent
ParentBehaviour rootParent = this.root;
if (rootParent != null)
{
return(rootParent.ProcessEvent(eventID));
}
// Process event
return(ProcessEvent(eventID));
}
/// <summary>
/// Returns the full state name relative to the parent parent.
/// <param name="parent"></param>
/// <returns>the full state name relative to supplied parent.</returns>
/// </summary>
public string GetFullStateNameRelativeTo(ParentBehaviour parent)
{
return(parent != this && m_Parent != null ? (m_Parent.GetFullStateNameRelativeTo(parent) + "/" + m_StateName) : m_StateName);
}
/// <summary>
/// Saves the last parent.
/// </summary>
void SaveLastParent()
{
m_LastParent = m_Parent;
}
