private void HandleCurrentIDChanged(object sender, EventArgs e)
{
DialogueItem currentDialogueItem = FindCurrentDialogueItem();
if (currentDialogueItem != null)
{
// currentDialogueItem.RepetitionCount++;
// Run the timeout timer only for those items that have the corresponding property:
PropertyInfo timeoutProperty = currentDialogueItem.GetType().GetProperty(AgentConstants.TIMEOUT_INTERVAL_PROPERTY_NAME);
if (timeoutProperty != null)
{
dialogueItemTimer.Stop(); // Just in case it was running previously.
double timeoutInterval = (double)timeoutProperty.GetValue(currentDialogueItem);
if (timeoutInterval > 0)
{
dialogueItemTimer.Run(timeoutInterval);
}
}
if (!(currentDialogueItem is InputItem)) // If this is NOT true, then just await the input; see above.
{
if (currentDialogueItem is AsynchronousDialogueItem)
{
((AsynchronousDialogueItem)currentDialogueItem).RunAsynchronously(null);
}
else
{
string targetContext = null;
string targetID = null;
currentDialogueItem.Run(null, out targetContext, out targetID);
if (targetContext != workingMemory.CurrentContext)
{
workingMemory.CurrentContext = targetContext;
} // Triggers the ContextChangedEvent in working memory
else
{
workingMemory.CurrentID = targetID;
} // Triggers the IDChangedEvent in working memory
}
}
// else // But perhaps add a timeout, then repeat, then set context = "".
// { }
}
}
private void HandleUserInput(MemoryItem inputItem)
{
busy = true;
dialogueItemTimer.Stop(); // In case the time was running, make sure that it is stopped here, to avoid repeating the agent's previous statement.
string inputString = (string)inputItem.GetContent();
string sourceTag = inputItem.TagList[0]; // Note: input items have precisely one tag; see HandleServerReceived().
List <object> parameterList = new List <object>()
{
inputString, sourceTag
};
string targetContext = workingMemory.CurrentContext;
string targetID = workingMemory.CurrentID;
DialogueItem currentDialogueItem = FindCurrentDialogueItem();
Boolean itemProcessed = false;
if (currentDialogueItem != null)
{
if (currentDialogueItem is InputItem) // OK with type comparison here (InputItem is the only possibility).
{
Boolean allowVisionInput = ((InputItem)currentDialogueItem).AllowVisionInput;
if ((sourceTag == AgentConstants.LISTENER_INPUT_TAG) ||
((sourceTag == AgentConstants.VISION_INPUT_TAG) && allowVisionInput))
{
// Run the timeout timer only for those items that have the corresponding property:
itemProcessed = currentDialogueItem.Run(parameterList, out targetContext, out targetID);
if (itemProcessed)
{
busy = false;
if (targetContext != workingMemory.CurrentContext)
{
workingMemory.CurrentContext = targetContext;
} // Triggers the ContextChangedEvent in working memory
else
{
workingMemory.CurrentID = targetID;
} // Triggers the IDChangedEvent in working memory
return;
}
}
}
}
if (!itemProcessed) // No dialogue item found OR no dialogue matching the context found
{
List <Dialogue> alwaysAvailableDialogueList = GetAlwaysAvailableDialogues();
foreach (Dialogue dialogue in alwaysAvailableDialogueList)
{
DialogueItem dialogueItem = dialogue.DialogueItemList[0];
if (dialogueItem is InputItem) // Should be the case, but just to be sure:
{
Boolean allowVisionInput = ((InputItem)dialogueItem).AllowVisionInput;
if ((sourceTag == AgentConstants.LISTENER_INPUT_TAG) ||
((sourceTag == AgentConstants.VISION_INPUT_TAG) && allowVisionInput))
{
itemProcessed = dialogueItem.Run(parameterList, out targetContext, out targetID);
if (itemProcessed)
{
workingMemory.CurrentContext = dialogue.Context; // Set the context here.
busy = false;
if (targetContext != workingMemory.CurrentContext)
{
workingMemory.CurrentContext = targetContext;
} // Triggers the ContextChangedEvent in working memory
else
{
workingMemory.CurrentID = targetID;
} // Triggers the IDChangedEvent in working memory
return;
}
}
}
}
}
// In case no match has been found, either for the current dialogue or for any of the always available dialogues:
// if the dialogue item has a customized error phrase, use it. Otherwise, use one of the default error phrases
if (sourceTag == AgentConstants.VISION_INPUT_TAG) // Do not trigger errors based on vision input
{
busy = false;
return;
}
else // Listener input
{
string failureResponsePhrase = GetFailureResponsePhrase();
if (currentDialogueItem != null)
{
if (currentDialogueItem is InputItem) // A bit ugly with a typecast, but OK...
{
InputItem currentInputItem = (InputItem)currentDialogueItem;
if (currentInputItem.FailureResponsePatternList != null)
{
if (currentInputItem.FailureResponsePatternList.Count > 0)
{
failureResponsePhrase = currentInputItem.GetFailureResponsePhrase(randomNumberGenerator);
}
}
}
}
SendSpeechOutput(failureResponsePhrase);
busy = false; // to be removed here (see above).
}
}