public void parseDialogueFromXML()
{
/* Each line in set are linked sequentically, and may be condiationally linked
* to any line in any set within actors context. Thus we need to double check linking
* on lines already parsed and lines not yet parsed to link to both directions */
bool firstLine = true; // ensures that set starting line is not linked to last line of other set
ArrayList allLines = new ArrayList(); // needed for backward linking
ArrayList conditionalUnlinkedLines = new ArrayList(); // needed for forward linking
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load("dialogue.xml"); // Peliprojekti/dialogue.xml
XmlNodeList actors = xmlDoc.GetElementsByTagName("actor");
foreach (XmlNode actor in actors)
{
actorCount++;
dialogueCount++;
string actorName = actor.Attributes["name"].Value;
ActorDialogue actorDialogue = new ActorDialogue(actorName);
XmlNodeList dialogueSetNodes = actor.ChildNodes;
foreach (XmlNode dialogueSetNode in dialogueSetNodes) // Actor's all sets
{
setCount++;
firstLine = true; // new set started, thus first processed line is marked a first line, set to false in the end
int setId = int.Parse(dialogueSetNode.Attributes["setId"].Value);
DialogueSet dialogueSet = new DialogueSet(setId);
XmlNodeList dialogueLineNodes = dialogueSetNode.ChildNodes;
DialogueLine previousLine = null; // for sequential linking
foreach (XmlNode dialogueLineNode in dialogueLineNodes) // Set's all lines
{
lineCount++;
int lineId = int.Parse(dialogueLineNode.Attributes["id"].Value);
string text = dialogueLineNode.InnerText;
DialogueLine dialogueLine = new DialogueLine(text, lineId);
dialogueLine.setSetId(dialogueSet.getId()); // line must know it's set for backward linking
allLines.Add(dialogueLine);
// Linking sequently lines
if (previousLine != null && !firstLine) // Don't link to previous set
{
previousLine.setNextLine(dialogueLine);
}
// look for branching token
if (dialogueLineNode.Attributes["branchInfo"] != null)
{
dialogueLine.setChoice(true);
// parse branch info
string branchInfo = dialogueLineNode.Attributes["branchInfo"].Value;
char[] delimiter = { '/' };
string[] values = branchInfo.Split(delimiter);
int branchSetId = int.Parse(values[0]);
int branchLineId = int.Parse(values[1]);
if (branchSetId > dialogueSet.getId() || branchLineId > dialogueLine.getId())
{
// Prepare for forward linking
dialogueLine.setBranchLinkingInfo(branchInfo);
conditionalUnlinkedLines.Add(dialogueLine);
}
else
{
// Perform backward linking
foreach (DialogueLine oldLine in allLines)
{
if (oldLine.getSetId() == branchSetId && dialogueLine.getId() == branchLineId)
{
dialogueLine.setAltLine(oldLine);
break;
}
}
}
}
// Try to forward link pending lines on this line
DialogueLine toRemove = null; // Remove linked conditionalLine from pending list AFTER iteration to avoid problems
foreach (DialogueLine conditionalLine in conditionalUnlinkedLines)
{
int branchLineId = conditionalLine.getBranchLineId();
int branchSetId = conditionalLine.getBranchSetId();
if (branchLineId == dialogueLine.getId() &&
branchSetId == dialogueSet.getId())
{
conditionalLine.setAltLine(dialogueLine);
toRemove = conditionalLine;
}
}
// toRemove was linked, remove from forward linking list
if (toRemove != null)
{
conditionalUnlinkedLines.Remove(toRemove); // Iteration done, safe to remove
}
/// ---------------------------------------------------------------
previousLine = dialogueLine;
dialogueSet.addDialogueLine(dialogueLine);
firstLine = false; // new lines may be coming in same set, they are not first line
//print ("LINE ADDED");
}
actorDialogue.addDialogueSet(dialogueSet);
//print ("SET ADDED");
}
//print ("DIALOGUE TO BE ADDED");
dialogue.Add(actorDialogue.getActorName(), actorDialogue);
//print ("DIALOGUE ADDED");
}
}