internal State <TState, TEvent> ToState(TState state, ListSlot <Transition <TState, TEvent> > transitions, Dictionary <TState, int> statesMap)
{
Dictionary <TEvent, int> trans = new Dictionary <TEvent, int>();
// TODO: Use deconstruction pattern when upload to .Net Standard 2.1
foreach (KeyValuePair <TEvent, TransitionBuilder <TState, TEvent, TParameter> > kv in this.transitions)
{
int slot = transitions.Reserve();
trans.Add(kv.Key, slot);
if (kv.Value is null)
{
transitions.Store(new Transition <TState, TEvent>(-1, null, (0, 0)), slot);
}
else
{
transitions.Store(kv.Value.ToTransition(transitions, statesMap, State), slot);
}
}
return(new State <TState, TEvent>(
state,
Helper.Combine(ref onEntry, ref onEntryWithParameter),
Helper.Combine(ref onExit, ref onExitWithParameter),
Helper.Combine(ref onUpdate, ref onUpdateWithParameter),
trans
));
}
internal override Transition <TState, TEvent> ToTransition(ListSlot <Transition <TState, TEvent> > transitions, Dictionary <TState, int> statesMap, TState currentState)
{
if (slaves == null)
{
return(new Transition <TState, TEvent>(GetGoto(statesMap, currentState), GetDo(), (0, 0), guard));
}
(int from, int to)range = transitions.Reserve(slaves.Count);
int i = range.from;
foreach (SlaveTransitionBuilder <TState, TEvent, TParameter, SlaveTransitionBuilder <TState, TEvent, TParameter, TParent> > slave in slaves)
{
transitions.Store(slave.ToTransition(transitions, statesMap, currentState), i);
i++;
}
Debug.Assert(i == range.to);
return(new Transition <TState, TEvent>(GetGoto(statesMap, currentState), GetDo(), range, guard));
}