/// <summary>
/// <c>Recieve Input</c>
///
/// Descriptions: Recieves input from the SpeechToText output.
///
/// preconditions: We must be on a valid node in the tree ui.
///
/// postconditions: The tree ui current node will be updated.
///
/// </summary>
///
/// <param name="input">The input from the stt.</param>
/// <returns> NULL </returns>
public void RecieveInput(string input)
{
// log our input
Debug.Log(string.Format("LanguageEngine::RecieveInput: input: '{0}'", input));
// get options we have at current node.
List <string> optionsNow = tree.GetCurrentOptions();
if (optionsNow == null)
{
optionsNow = new List <string>();
}
// add the options as lower cased
var options = new List <string>();
optionsNow.ForEach((opt) =>
{
options.Add(opt.ToLower());
});
Debug.Log(string.Format("LanguageEngine::RecieveInput: options: '{0}'", string.Join(", ", optionsNow)));
// now get the decision to make
int decisionIndex;
try
{
decisionIndex = BestDecision(input.ToLower(), options);
}
catch (NoBestDecision e)
{
Debug.Log(string.Format("LanguageEngine::RecieveInput: NoBestDecision: {0}", e));
TTS.RunSpeech("I did not understand that, could you say it differently?");
return;
}
catch (NoOptionsAvailable e)
{
Debug.Log(string.Format("LanguageEngine::RecieveInput: NoOptionsAvailable: {0}", e));
// say a placeholder saying its done
TTS.RunSpeech("We are finished, thank you.");
// stop reading s peech
STT.StopReadingSpeech();
patientSystem.FinishedTree();
return;
}
catch (InspectorSetupInCorrectly e)
{
Debug.Log(string.Format("LanguageEngine::RecieveInput: Two string algorithms choosen!: {0}", e));
TTS.RunSpeech("I am not set up correctly!");
return;
}
Debug.Assert(decisionIndex >= 0 && decisionIndex < options.Count, "decisionIndex is out of bounds of options");
// Log our options
Debug.Log(string.Format("LanguageEngine::RecieveInput: decision: {0}", decisionIndex));
// With the decision, traverse the tree.
tree.TakeOption(decisionIndex);
// if no node then end it.
if (tree.currentNode == null)
{
STT.StopReadingSpeech();
patientSystem.FinishedTree();
return;
}
// Play the animation, if one exists
tree.RunAnim();
// Now say the next prompt
TTS.RunSpeech(tree.GetCurrentPrompt());
// check if there are no options left now.
if (tree.GetCurrentOptions().Count <= 0)
{
STT.StopReadingSpeech();
patientSystem.FinishedTree();
}
}