private void transition_Finished(StateTransition transition)
{
if (TransitionFinished != null)
{
TransitionFinished(transition);
}
lock (this) {
transition.Finished -= mTransitionCompleteListener;
CurrentState = transition.To;
mCurrentTransition = null;
}
}
private void LoadTransition(XmlNode node)
{
State from = GetInstance(node, mStates, "state", "transition start", null, "From");
State to = GetInstance(node, mStates, "state", "transition target", null, "To");
ITrigger trigger = GetTrigger(node, "transition", null, "Trigger");
ITransitionStyle style = GetTransition(node, "state transition", new FeatureFrameTransitionFactory(new FeatureFadeFactory(), 2000), "Transition");
if (from == null || to == null || trigger == null)
{
Logger.Debug("Unable to create transition.");
return;
}
StateTransition transition = new StateTransition(this, from, to, trigger, style);
transition.From.AddTransition(transition);
}
/// <summary>
/// Start the transition transition one state to another.
/// </summary>
/// <param name="transition">The transition to begin.</param>
public void BeginTransition(StateTransition transition)
{
/*if (Transitioning)
* throw new InvalidOperationException("Unable to start transition transition " + transition.From.Name
+ " to " + transition.To.Name + ". There is already a transition in progress.");*/
lock (this) {
mCurrentState = null;
mCurrentTransition = transition;
transition.Finished += mTransitionCompleteListener;
}
if (TransitionStarting != null)
{
TransitionStarting(transition);
}
transition.Begin();
}
/// <summary>
/// Add a new transition to another state.
/// </summary>
/// <param name="stateTransition">The new transition to add.</param>
public void AddTransition(StateTransition stateTransition)
{
if (stateTransition.From != this)
{
throw new ArgumentException("Error. " + stateTransition.Name + " does not start at " + Name + " so cannot be added as a transition from it.");
}
//TODO - this is a hack and will break things. Need to decide on how to handle multiple triggers.
//What happens if new transition needs to be drawn?
if (mTransitions.ContainsKey(stateTransition.To.Name))
{
mTransitions[stateTransition.To.Name].AddTriggers(stateTransition.Triggers);
}
else
{
mTransitions.Add(stateTransition.To.Name, stateTransition);
if (stateTransition is IFeature)
{
AddFeature(stateTransition as IFeature);
}
}
}