private IEnumerator ChangeToNewStateRoutine(FiniteStateMapping newState, FiniteStateTransition transition)
{
destinationState = newState; //Chache this so that we can overwrite it and hijack a transition
if (currentState != null)
{
if (currentState.hasExitRoutine)
{
exitRoutine = currentState.ExitRoutine();
if (exitRoutine != null && transition != FiniteStateTransition.Overwrite) //Don't wait for exit if we are overwriting
{
yield return(engine.StartCoroutine(exitRoutine));
}
exitRoutine = null;
}
else
{
currentState.ExitCall();
}
currentState.Finally();
}
lastState = currentState;
currentState = destinationState;
if (currentState != null)
{
if (currentState.hasEnterRoutine)
{
enterRoutine = currentState.EnterRoutine();
if (enterRoutine != null)
{
yield return(engine.StartCoroutine(enterRoutine));
}
enterRoutine = null;
}
else
{
currentState.EnterCall();
}
//Broadcast change only after enter transition has begun.
if (Changed != null)
{
Changed((T)currentState.state);
}
}
isInTransition = false;
}
