bool ActorStateMachine::onEvent(const Event& e)
{
// forward event upstream if it is going upstream
if (currentState && e.getSender() == currentState)
{
// give specific implementation a chance to handle it.
if (onPreUpstreamEvent(e))
{
return true;
}
else
{
return distributeEvent(e);
}
}
// otherwise forward downstream
else if (currentState)
{
// give specific implementation a chance to handle it.
if (onPreDownstreamEvent(e))
{
return true;
}
else
{
return currentState->onEvent(e);
}
}
// not handled because no current state
else
{
return false;
}
}
bool MainMenuScene::onEvent(const Event& e)
{
return distributeEvent(e);
}