public virtual State <TTrig, TName>?Next(TTrig triggerValue)
{
State <TTrig, TName>?nextState = CurrentState.Next(triggerValue);
if (nextState == null)
{
return(null);
}
var enterArgs = new StateEnterArgs <TTrig, TName>()
{
Trigger = triggerValue,
CurrentState = CurrentState,
NextState = nextState,
Context = _context,
};
if (CurrentState != nextState)
{
var exitArgs = new StateExitArgs <TTrig, TName>()
{
Trigger = triggerValue,
CurrentState = CurrentState,
NextState = nextState,
};
if (CurrentState.IsAsyncExit)
{
CurrentState.ExitAsync(exitArgs).ConfigureAwait(false).GetAwaiter().GetResult();
}
else
{
CurrentState.Exit(exitArgs);
}
}
PreviousState = CurrentState;
CurrentState = nextState;
OnStateChanged?.Invoke(PreviousState, CurrentState, triggerValue);
if (CurrentState.IsAsyncEnter)
{
CurrentState.ActivateAsync(enterArgs).ConfigureAwait(false).GetAwaiter().GetResult();
}
else
{
CurrentState.Activate(enterArgs);
}
State <TTrig, TName>?toReturn = CurrentState;
for (int i = 0; i < _context.NextTriggers.Count; i++)
{
var next = _context.NextTriggers[i];
_context.NextTriggers.RemoveAt(i);
if (next.isAsync)
{
toReturn = NextAsync(next.trig).ConfigureAwait(false).GetAwaiter().GetResult();
}
else
{
toReturn = Next(next.trig);
}
}
return(toReturn);
}