private IOutputSpeech Do(AdventureEngine engine, AdventureCommandType command, XElement ssml = null)
{
ssml = ssml ?? new XElement("speak");
ProcessResponse(engine.Do(command));
return(new SsmlOutputSpeech
{
Ssml = ssml.ToString(SaveOptions.DisableFormatting)
});
// local functions
void ProcessResponse(AdventureResponse response)
{
switch (response)
{
case AdventureResponseSay say:
ssml.Add(new XElement("p", new XText(say.Text)));
break;
case AdventureResponseDelay delay:
ssml.Add(new XElement("break", new XAttribute("time", (int)delay.Delay.TotalMilliseconds + "ms")));
break;
case AdventureResponsePlay play:
ssml.Add(new XElement("audio", new XAttribute("src", _adventureSoundFilesPublicUrl + play.Name)));
break;
case AdventureResponseNotUnderstood _:
ssml.Add(new XElement("p", new XText(PROMPT_MISUNDERSTOOD)));
break;
case AdventureResponseBye _:
ssml.Add(new XElement("p", new XText(PROMPT_GOODBYE)));
break;
case AdventureResponseFinished _:
break;
case AdventureResponseMultiple multiple:
foreach (var nestedResponse in multiple.Responses)
{
ProcessResponse(nestedResponse);
}
break;
default:
throw new AdventureException($"Unknown response type: {response?.GetType().FullName}");
}
}
}
private static void AdventureLoop(AdventureEngine engine)
{
// start the adventure loop
ProcessResponse(engine.Do(AdventureCommandType.Restart));
try {
while (true)
{
// prompt user input
Console.Write("> ");
var commandText = Console.ReadLine().Trim().ToLower();
if (!Enum.TryParse(commandText, true, out AdventureCommandType command))
{
// TODO (2017-07-21, bjorg): need a way to invoke a 'command not understood' reaction
// responses = new[] { new AdventureResponseNotUnderstood() };
continue;
}
// process user input
ProcessResponse(engine.Do(command));
}
} catch (Exception e) {
Console.Error.WriteLine(e);
}
// local functions
void ProcessResponse(AAdventureResponse response)
{
switch (response)
{
case AdventureResponseSay say:
TypeLine(say.Text);
break;
case AdventureResponseDelay delay:
System.Threading.Thread.Sleep(delay.Delay);
break;
case AdventureResponsePlay play:
Console.WriteLine($"({play.Name})");
break;
case AdventureResponseNotUnderstood _:
TypeLine("Sorry, I don't know what that means.");
break;
case AdventureResponseBye _:
TypeLine("Good bye.");
System.Environment.Exit(0);
break;
case AdventureResponseFinished _:
break;
case AdventureResponseMultiple multiple:
foreach (var nestedResponse in multiple.Responses)
{
ProcessResponse(nestedResponse);
}
break;
default:
throw new AdventureException($"Unknown response type: {response?.GetType().FullName}");
}
}
}