private bool AssessPreconditions(DialogueElement d)
{
bool pass = true;
if (d.getPrecondition() == null)
{
return(true);
}
foreach (KeyValuePair <PreconditionOperators, string[]> set in d.getPrecondition().GetPreconditions())
{
foreach (string operand in set.Value)
{
if (!set.Key.Assess(operand, this))
{
pass = false;
break;
}
}
if (!pass)
{
break;
}
}
return(pass);
}
private void RunPostconditions(DialogueElement d)
{
if (d.getPostcondition() == null)
{
return;
}
foreach (KeyValuePair <PostconditionOperators, string[]> set in d.getPostcondition().GetPostconditions())
{
foreach (string operand in set.Value)
{
set.Key.Update(operand, this);
}
}
}
public ConversationTransaction GetNext(string id)
{
DialogueElement d = dialogueElements[id];
Dictionary <string, string> idOptionLabelPairs = new Dictionary <string, string>();
if (d.getOptions() != null)
{
foreach (DialogueElement option in d.getOptions())
{
if (AssessPreconditions(option))
{
idOptionLabelPairs.Add(option.getId(), option.getOptionText());
}
}
}
RunPostconditions(d);
return(new ConversationTransaction(d.getBody(), idOptionLabelPairs));
}