public static Quest[] ReadQuestFromGraphml(XmlDocument doc, string filename)
{
if (doc == null)
throw new NullReferenceException("Cannot load graph from NULL reference!");
XmlNodeList conNodeList = doc.GetElementsByTagName("node");
XmlNodeList conEdgeList = doc.GetElementsByTagName("edge");
Dictionary<string, QuestNode> questNodes = new Dictionary<string, QuestNode>();
List<QuestNode> conStartNodes = new List<QuestNode>(); // store conversation starts
/* load nodes aka dialogue */
QuestNode latestNode;
foreach (XmlNode node in conNodeList)
{
latestNode = new QuestNode();
latestNode.xmlID = node.Attributes["id"].Value;
Debug.Assert(!questNodes.ContainsKey(latestNode.xmlID), "Duplicated nodes entries found in XML!");
questNodes[latestNode.xmlID] = latestNode;
// get important ATTRIBUTES for this node
Dictionary<string, string> nodeDic = XmlNodesToDic(node.ChildNodes, "key");
nodeDic.TryGetValue("label", out latestNode.GetMainGoal().label);
if (nodeDic.ContainsKey("alignment"))
int.TryParse(nodeDic["alignment"], out latestNode.GetMainGoal().alignment);
if (nodeDic.ContainsKey("isstart"))
conStartNodes.Add(latestNode);
if (nodeDic.ContainsKey("activationevent"))
{
Debug.Log(nodeDic["activationevent"] + ": Node Activation Event found!");
}
if (nodeDic.ContainsKey("requirement"))
{
Debug.Log(nodeDic["requirement"] + ": Node requirement found!");
}
if (nodeDic.ContainsKey("goaldescs") && nodeDic.ContainsKey("goaltypes") && nodeDic.ContainsKey("goaldatas"))
latestNode.AddGoals(ParseGoals(nodeDic["goaldescs"], nodeDic["goaltypes"], nodeDic["goaldatas"]));
}
/* load edges aka responses */
foreach (XmlNode edge in conEdgeList)
{
QuestOption option = new QuestOption();
Dictionary<string, string> edgeDic = XmlNodesToDic(edge.ChildNodes, "key");
option.nextNode = questNodes[edge.Attributes["target"].Value]; // set target node link
questNodes[edge.Attributes["source"].Value].AddOption(option, edgeDic.ContainsKey("isside") && edgeDic["isside"].Equals("true")); // set source node link
// get important ATTRIBUTES for this edge
edgeDic.TryGetValue("edgelabel", out option.label);
if (edgeDic.ContainsKey("alignment"))
int.TryParse(edgeDic["alignment"], out option.alignment);
if (edgeDic.ContainsKey("requirement"))
{
Debug.Log(edgeDic["requirement"] + ": Node requirement found!");
}
if (edgeDic.ContainsKey("goaldescs") && edgeDic.ContainsKey("goaltypes") && edgeDic.ContainsKey("goaldatas"))
option.AddGoals(ParseGoals(edgeDic["goaldescs"], edgeDic["goaltypes"], edgeDic["goaldatas"]));
}
// separate nodes into multiple conversations, if necessary
Quest[] newConArr = new Quest[(conStartNodes.Count > 0) ? conStartNodes.Count : 1];
QuestNode[] questNodesArr = new QuestNode[questNodes.Count];
questNodes.Values.CopyTo(questNodesArr, 0);
if (conStartNodes.Count == 0)
{
Debug.LogError("A valid conversion file should ALWAYS have at least 1 conversation start!");
}
else
{
for (int i = 0; i < conStartNodes.Count; ++i)
newConArr[i] = new Quest(conStartNodes[i], questNodesArr, filename);
}
return newConArr;
}