/// <summary>
/// binds the event handler's activities to states with the
/// same names found on components down the hierarchy
/// </summary>
protected void BindStateToActivity(vp_Activity a)
{
BindStateToActivityOnStart(a);
BindStateToActivityOnStop(a);
}
/// <summary>
/// binds the event handler's start activity to states with
/// the same names found on components down the hierarchy
/// </summary>
protected void BindStateToActivityOnStart(vp_Activity a)
{
if (!ActivityInitialized(a))
return;
string s = a.EventName;
a.StartCallbacks +=
delegate()
{
foreach (vp_Component c in m_StateTargets)
{
c.SetState(s, true, true);
}
};
// NOTE: this delegate currently won't show up in an event dump
}
/// <summary>
/// binds the event handler's stop activity to states with
/// the same names found on components down the hierarchy
/// </summary>
protected void BindStateToActivityOnStop(vp_Activity a)
{
if (!ActivityInitialized(a))
{
return;
}
string s = a.EventName;
a.StopCallbacks +=
delegate()
{
foreach (vp_Component c in m_StateTargets)
{
c.SetState(s, false, true);
}
};
// NOTE: this delegate currently won't show up in an event dump
}
/// <summary>
/// returns true if the passed activity has been initialized
/// yet, false if not
/// </summary>
private bool ActivityInitialized(vp_Activity a)
{
if (a == null)
{
Debug.LogError("Error: (" + this + ") Activity is null.");
return false;
}
if (string.IsNullOrEmpty(a.EventName))
{
Debug.LogError("Error: (" + this + ") Activity not initialized. Make sure the event handler has run its Awake call before binding layers.");
return false;
}
return true;
}
/// <summary>
/// binds the event handler's activities to states with the
/// same names found on components down the hierarchy
/// </summary>
protected void BindStateToActivity(vp_Activity a)
{
BindStateToActivityOnStart(a);
BindStateToActivityOnStop(a);
}
