/// <summary>
/// Recursive writing dialogue tree.
/// </summary>
/// <param name="gff3"></param>
/// <param name="idx"></param>
/// <param name="type"></param>
private void WriteTree(gff3struct gff3, XElement printparent, int idx, string type, bool isSection)
{
//HACK //FIXME loop detection
string HACK_ref = $"{type}_{idx}";
if (!HACK_Allrefs.Contains(HACK_ref))
{
HACK_Allrefs.Add(HACK_ref);
}
else
{
throw new Gff3Exception("Looping");
}
XElement output = new XElement(type);
if (type == "entry")
{
gff3struct entry = gff3.GetEntryByIndex(idx);
//PRINT DATA
bool isquest = AnnotateXML(entry, printparent, idx, type, isSection, ref output);
//get replies
// there can be more than one reply
// if there is more than one reply, this marks a CHOICE
// and we must label all replys as goto points
CGff3ListObject <gff3struct> replies = entry.GetListObjectByName <gff3struct>("RepliesList");
if (replies.Value.Count == 0)
{
output.Add(new XAttribute("END", "true"));
}
else if (replies.Value.Count > 1)
{
output.Add(new XAttribute("CHOICE", "true"));
}
//handle circular references
if (EntryChoices.Contains(idx))
{
return;
}
if (replies.Value.Count > 1)
{
EntryChoices.Add(idx);
}
foreach (gff3struct reply in replies.Value)
{
int newidx = int.Parse(reply.GetCommonObjectByName("Index").Value.ToString());
//if there is a choice, flag the two replies
bool ischildSection = replies.Value.Count > 1 || isquest;
WriteTree(gff3, output, newidx, "reply", ischildSection);
}
}
else if (type == "reply")
{
gff3struct reply = gff3.GetReplyByIndex(idx);
//PRINT DATA
var isquest = AnnotateXML(reply, printparent, idx, type, isSection, ref output);
//get entries
// there can never be more than two entries
// because nps can't choose
CGff3ListObject <gff3struct> entries = reply.GetListObjectByName <gff3struct>("EntriesList");
if (entries.Value.Count == 0)
{
output.Add(new XAttribute("END", "true"));
}
else if (entries.Value.Count == 1)
{
int newidx = int.Parse(entries.Value.First().GetCommonObjectByName("Index").Value.ToString());
WriteTree(gff3, output, newidx, "entry", isquest);
}
else
{
throw new Gff3Exception("More than one Entry in a Reply");
}
}
}
