public C_DialogueNode GetNextSiblingNode(C_DialogueNode theNode, bool parentSibling = true)
{
C_DialogueNode returnNode = null;
int tempIndex = theNode.parentNode.listOfChildNodes.IndexOf(theNode);
if(tempIndex+1 < theNode.parentNode.listOfChildNodes.Count)
{
// Get next sibling instead
returnNode = theNode.parentNode.listOfChildNodes[tempIndex+1];
return returnNode;
}
else
{
if(theNode.parentNode.dialogueType == E_DialogueType.NPC || !parentSibling)
return returnNode;
// Get parent's next sibling
return GetNextSiblingNode(theNode.parentNode);
}
}
public C_DialogueNode GetQuestionNode(C_DialogueNode theNode, int questionNo)
{
if (theNode.dialogueType == E_DialogueType.Question && theNode.question == questionNo)
{
return theNode;
}
else
{
if(theNode.parentNode != null)
return GetQuestionNode(theNode.parentNode,questionNo);
else
return null;
}
}
C_DialogueNode SetNodeAttributes(XmlNode node)
{
C_DialogueNode returnNode = new C_DialogueNode();
foreach(XmlAttribute attribute in node.Attributes)
{
switch(attribute.LocalName)
{
case C_Constants.D_A_NAME:
returnNode.name = attribute.Value;
break;
case C_Constants.D_A_CONDITION:
returnNode.conditions = attribute.Value;
returnNode.SetConditions();
break;
case C_Constants.D_A_QUESTION:
returnNode.question = Convert.ToInt32(attribute.Value);
break;
case C_Constants.D_A_SENTENCE:
returnNode.sentence = attribute.Value;
break;
case C_Constants.D_A_CHOICES:
returnNode.choices = Convert.ToInt32(attribute.Value);
break;
default:
Debug.LogWarning("Unknown Attribute Name in Dialogue Script > " + node.LocalName);
break;
}
}
return returnNode;
}
// Use this for initialization
void Start()
{
if(dialogueTree == null)
CreateNodeTree ();
// This needs to call on each Start
foreach(C_DialogueNode chapter in dialogueTree)
{
if(Convert.ToInt32(chapter.name) == currentChapter.chapterNo)
{
chapterNode = chapter;
foreach(C_DialogueNode scene in chapter.listOfChildNodes)
{
if(scene.name == currentChapter.scene)
{
sceneNode = scene;
break;
}
}
break;
}
}
}
void CreateNodeTree()
{
dialogueTree = new List<C_DialogueNode>();
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(xmlFile.text);
XmlNodeList chapterList = xmlDoc.GetElementsByTagName(C_Constants.D_E_CHAPTER);
foreach (XmlNode chapterNode in chapterList)
{
// Add chapter node into dialogueTree
C_DialogueNode tempChapterNode = new C_DialogueNode();
tempChapterNode.dialogueType = E_DialogueType.Chapter;
tempChapterNode.name = chapterNode.Attributes[C_Constants.D_A_NAME].Value;
tempChapterNode.parentNode = null;
// Create list of scenes in chapter
XmlNodeList sceneList = chapterNode.ChildNodes;
foreach(XmlNode sceneNode in sceneList)
{
if(sceneNode.NodeType != XmlNodeType.Comment)
{
// Add scene node into dialogueTree
C_DialogueNode tempSceneNode = new C_DialogueNode();
tempSceneNode.dialogueType = E_DialogueType.Scene;
tempSceneNode.name = sceneNode.Attributes[C_Constants.D_A_NAME].Value;
tempSceneNode.parentNode = tempChapterNode;
// If have NPCs
if(sceneNode.HasChildNodes)
{
// Create list of npcs in chapter
XmlNodeList npcList = sceneNode.ChildNodes;
// foreach loop again !!!
foreach(XmlNode npcNode in npcList)
{
if(npcNode.NodeType != XmlNodeType.Comment)
{
// Add scene node into dialogueTree
C_DialogueNode tempNpcNode = new C_DialogueNode();
tempNpcNode.dialogueType = E_DialogueType.NPC;
tempNpcNode.name = npcNode.Attributes[C_Constants.D_A_NAME].Value;
tempNpcNode.parentNode = tempSceneNode;
// nested foreach loop for the dialogue elements
// the nested foreach loop needs to know when to break out
AddChildNode(npcNode,tempNpcNode);
// at end of foreach loop
tempSceneNode.listOfChildNodes.Add(tempNpcNode);
}
}
}
// at end of foreach loop
tempChapterNode.listOfChildNodes.Add(tempSceneNode);
}
}
dialogueTree.Add(tempChapterNode);
}
}
void AddChildNode( XmlNode parentNode, C_DialogueNode parentDialogueNode)
{
if (!parentNode.HasChildNodes)
return;
XmlNodeList childList = parentNode.ChildNodes;
foreach(XmlNode childNode in childList)
{
// Ignore comments, maybe also text
if(childNode.NodeType == XmlNodeType.Element) // != XmlNodeType.Comment)
{
// Add scene node into dialogueTree
C_DialogueNode tempChildNode = ConvertToDialogueNode(childNode);
tempChildNode.parentNode = parentDialogueNode;
// Recursion here ( MAY HAVE A PROBLEM SETTING VALUES, SINCE VALUES ARE SET AFTER RECURSION )
AddChildNode(childNode,tempChildNode);
parentDialogueNode.listOfChildNodes.Add(tempChildNode);
}
}
}
public bool SetNodeToNextSibling(C_DialogueNode theNode = null)
{
if (theNode == null)
theNode = currentNode;
int tempIndex = theNode.parentNode.listOfChildNodes.IndexOf(theNode);
if(tempIndex+1 < theNode.parentNode.listOfChildNodes.Count)
{
// Get next sibling instead
currentNode = theNode.parentNode.listOfChildNodes[tempIndex+1];
return true;
}
else
{
if(theNode.parentNode.dialogueType == E_DialogueType.NPC)
return false;
// Get parent's next sibling
return SetNodeToNextSibling(theNode.parentNode);
}
}
public void SetCurrentNode(string npcName)
{
foreach(C_DialogueNode npc in sceneNode.listOfChildNodes)
{
if(npc.name == npcName)
{
currentNode = npc.listOfChildNodes[0];
return;
}
}
}
public bool MoveToNextNode()
{
if (currentNode.listOfChildNodes.Count > 0) {
// Get first child
currentNode = currentNode.listOfChildNodes [0];
return true;
} else {
// Recursive loop may start here
return SetNodeToNextSibling(currentNode);
}
}
