public Interaction GetResponse(Character speaker, ParsedAction actionDoneToSpeaker, Character spokenTo)
{
var respondingVerbs = speaker.ResponseMapper.GetResponseVerbs(actionDoneToSpeaker.Verb);
if (!respondingVerbs.Any())
{
return(null);
}
var possibleRespondingInteractions = respondingVerbs.SelectMany(GetRespondingInteractions).ToList();
List <Interaction> validRespondingInteractions = GetInteractionsMatchingAllCriteria(speaker, spokenTo, possibleRespondingInteractions)
.ToList();
validRespondingInteractions =
GetInteractionsPossibleWithAction(speaker, validRespondingInteractions, actionDoneToSpeaker);
Interaction result;
if (validRespondingInteractions.Any())
{
result = GetRandomResponse(validRespondingInteractions);
result.Action.Object = actionDoneToSpeaker.Object;
}
else
{
result = GetInvalidInteraction(speaker, spokenTo);
}
return(result.GetAFilledInInteraction(_stringTemplateReplacer, speaker, spokenTo));
}
private List <Interaction> GetInteractionsPossibleWithAction(Character speaker,
List <Interaction> interactions,
ParsedAction actionDoneToSpeaker)
{
if (actionDoneToSpeaker.Verb == ActionVerb.RequestItemType)
{
ItemType itemType;
var isSuccessful = Enum.TryParse(actionDoneToSpeaker.Object, true, out itemType);
if (!isSuccessful)
{
throw new ArgumentNullException(nameof(actionDoneToSpeaker.Object), "Cannot parse item type.");
}
if (speaker.GetPossessionsOfType(itemType).Any())
{
return(interactions.Where(p => p.Action.Verb != ActionVerb.DontHaveItemType).ToList());
}
else
{
return(interactions.Where(p => p.Action.Verb == ActionVerb.DontHaveItemType).ToList());
}
}
return(interactions);
}
public Interaction GetInteraction(Character speaker, ParsedAction action, Character spokenTo)
{
var possibleInteractions = _interactions.Where(p => p.Action.Adverb == action.Adverb &&
p.Action.Verb == action.Verb).ToList();
if (possibleInteractions.Any())
{
return(GetRandomResponse(possibleInteractions).GetAFilledInInteraction(_stringTemplateReplacer, speaker, spokenTo));
}
else
{
return(null);
}
}