/**
* Recursive function responsible for transforming a node (and its children)
* into a DOM structure
*
* @param currentNode
* Node to be transformed
* @param rootDOMNode
* DOM node in which the elements must be attached
*/
private static void writeNodeInDOM(ConversationNode currentNode, XmlNode rootDOMNode)
{
// Extract the document
XmlDocument document = rootDOMNode.OwnerDocument;
// If the node is a DialogueNode write the lines one after another, and then the child (or the mark if it is no
// child)
if (currentNode.getType() == ConversationNodeViewEnum.DIALOGUE)
{
// For each line of the node
for (int i = 0; i < currentNode.getLineCount(); i++)
{
// Create a phrase element, and extract the actual text line
XmlElement phrase;
XmlNode conditionsNode = null;
ConversationLine line = currentNode.getLine(i);
// If the line belongs to the player, create a "speak-player" element. Otherwise, if it belongs to a
// NPC,
// create a "speak-char" element, which will have an attribute "idTarget" with the name of the
// non-playable character,
// if there is no name the attribute won't be written
if (line.isPlayerLine())
{
phrase = document.CreateElement("speak-player");
}
else
{
phrase = document.CreateElement("speak-char");
if (!line.getName().Equals("NPC"))
{
phrase.SetAttribute("idTarget", line.getName());
}
}
// Add the line text into the element
phrase.InnerText = (line.getText());
//If there is audio track, store it as attribute
if (line.isValidAudio())
{
phrase.SetAttribute("uri", line.getAudioPath());
}
//If there is a synthesizer valid voice, store it as attribute
if (line.getSynthesizerVoice())
{
phrase.SetAttribute("synthesize", "yes");
}
// Add the element to the DOM root
rootDOMNode.AppendChild(phrase);
// Create conditions for current effect
DOMWriterUtility.DOMWrite(rootDOMNode, line.getConditions());
}
// Check if the node is terminal
if (currentNode.isTerminal())
{
// If it is terminal add a "end-conversation" element
XmlElement endConversation = document.CreateElement("end-conversation");
// Add the "end-conversation" tag into the root
rootDOMNode.AppendChild(endConversation);
// If the terminal node has an effect, include it into the DOM
if (currentNode.hasEffects())
{
DOMWriterUtility.DOMWrite(endConversation, currentNode.getEffects());
}
}
else
{
// If the node isn't terminal, check if it performing a "go-back" (going back to the inmediatly upper
// OptionNode)
if (TreeConversation.thereIsGoBackTag(currentNode))
{
// If it is the case, add a "go-back" element
rootDOMNode.AppendChild(document.CreateElement("go-back"));
}
else
{
// Otherwise, if the node has a child, call the recursive function with the child node, and the same
// DOM root node
writeNodeInDOM(currentNode.getChild(0), rootDOMNode);
}
}
}
// If the node is a OptionNode write a "response" element, and inside it a "option" element with its content
else if (currentNode.getType() == ConversationNodeViewEnum.OPTION)
{
// Create the "response" element
XmlElement response = document.CreateElement("response");
// Adds a random attribute if "random" is activate in conversation node data
if (((OptionConversationNode)currentNode).isRandom())
{
response.SetAttribute("random", "yes");
}
// For each line of the node (we suppose the number of line equals the number of links, or children nodes)
for (int i = 0; i < currentNode.getLineCount(); i++)
{
// Create the "option" element
XmlElement optionElement = document.CreateElement("option");
ConversationLine line = currentNode.getLine(i);
// Create the actual option (a "speak-player" element) and add its respective text
XmlElement lineElement = document.CreateElement("speak-player");
lineElement.InnerText = currentNode.getLine(i).getText();
//If there is audio track, store it as attribute
if (line.isValidAudio())
{
lineElement.SetAttribute("uri", line.getAudioPath());
}
//If there is a synthesizer valid voice, store it as attribute
if (line.getSynthesizerVoice())
{
lineElement.SetAttribute("synthesize", "yes");
}
// Insert the text line in the option node
optionElement.AppendChild(lineElement);
// Call the recursive function, to write in the "option" node the appropiate elements
// Note that the root DOM node is the "option" element
writeNodeInDOM(currentNode.getChild(i), optionElement);
// Add the "option" element
response.AppendChild(optionElement);
}
// If the terminal node has an effect, include it into the DOM
if (currentNode.hasEffects())
{
DOMWriterUtility.DOMWrite(response, currentNode.getEffects());
}
// Add the element
rootDOMNode.AppendChild(response);
}
}
/**
* Returns true if the audio path is valid. That is when it is not null and
* different to ""
*/
public bool isValidAudio()
{
return(conversationLine.isValidAudio());
}
private void FillNode(XmlNode toFill, GraphConversation graphConversation, params IDOMWriterParam[] options)
{
XmlElement conversationElement = toFill as XmlElement;
// Get the complete node list
List <ConversationNode> nodes = graphConversation.getAllNodes();
// Create the necessary elements to create the DOM
XmlDocument doc = Writer.GetDoc();
// Create the root node
conversationElement.SetAttribute("id", graphConversation.getId());
// For each node
for (int i = 0; i < nodes.Count; i++)
{
ConversationNode node = nodes[i];
XmlElement nodeElement = null;
XmlNode conditionsNode = null;
// If the node is a dialogue node
if (node is DialogueConversationNode)
{
// Create the node element and set the nodeindex
nodeElement = doc.CreateElement("dialogue-node");
nodeElement.SetAttribute("nodeindex", i.ToString());
// Adds a random attribute if "keepShowing" is activate in conversation node data
if (((DialogueConversationNode)node).isKeepShowing())
{
nodeElement.SetAttribute("keepShowing", "yes");
}
if (node.getEditorX() != -1)
{
nodeElement.SetAttribute("editor-x", node.getEditorX().ToString());
}
if (node.getEditorY() != -1)
{
nodeElement.SetAttribute("editor-y", node.getEditorY().ToString());
}
// For each line of the node
for (int j = 0; j < node.getLineCount(); j++)
{
// Create a phrase element, and extract the actual text line
XmlElement phrase;
ConversationLine line = node.getLine(j);
// If the line belongs to the player, create a "speak-player" element. Otherwise, if it belongs
// to a NPC,
// create a "speak-char" element, which will have an attribute "idTarget" with the name of the
// non-playable character,
// if there is no name the attribute won't be written
if (line.isPlayerLine())
{
phrase = doc.CreateElement("speak-player");
}
else
{
phrase = doc.CreateElement("speak-char");
if (!line.getName().Equals("NPC"))
{
phrase.SetAttribute("idTarget", line.getName());
}
}
//If there is audio track, store it as attribute
if (line.isValidAudio())
{
phrase.SetAttribute("uri", line.getAudioPath());
}
//If there is a synthesizer valid voice, store it as attribute
if (line.getSynthesizerVoice())
{
phrase.SetAttribute("synthesize", "yes");
}
// Add the line text into the element
phrase.InnerText = (line.getText());
// Add the element to the node
nodeElement.AppendChild(phrase);
// Create conditions for current effect
DOMWriterUtility.DOMWrite(nodeElement, line.getConditions());
}
// Check if the node is terminal
if (node.isTerminal())
{
// If it is terminal add a "end-conversation" element
XmlElement endConversation = doc.CreateElement("end-conversation");
// If the terminal node has an effect, include it into the DOM
if (node.hasEffects())
{
DOMWriterUtility.DOMWrite(endConversation, node.getEffects());
}
// Add the "end-conversation" tag into the node
nodeElement.AppendChild(endConversation);
}
else
{
// Otherwise, if the node has a child, add the element
XmlElement childElement = doc.CreateElement("child");
// Add the number of the child node (index of the node in the structure)
childElement.SetAttribute("nodeindex", nodes.IndexOf(node.getChild(0)).ToString());
// Insert the tag into the node
nodeElement.AppendChild(childElement);
// TODO MODIFIED
// If the terminal node has an effect, include it into the DOM
if (node.hasEffects())
{
DOMWriterUtility.DOMWrite(nodeElement, node.getEffects());
}
}
}
// If the node is a option node
if (node is OptionConversationNode)
{
// Create the node element and set the nodeindex
nodeElement = doc.CreateElement("option-node");
nodeElement.SetAttribute("nodeindex", i.ToString());
// Adds a random attribute if "random" is activate in conversation node data
if (((OptionConversationNode)node).isRandom())
{
nodeElement.SetAttribute("random", "yes");
}
// Adds a random attribute if "keepShowing" is activate in conversation node data
if (((OptionConversationNode)node).isKeepShowing())
{
nodeElement.SetAttribute("keepShowing", "yes");
}
// Adds a random attribute if "showUserOption" is activate in conversation node data
if (((OptionConversationNode)node).isShowUserOption())
{
nodeElement.SetAttribute("showUserOption", "yes");
}
// Adds a random attribute if "preListening" is activate in conversation node data
if (((OptionConversationNode)node).isPreListening())
{
nodeElement.SetAttribute("preListening", "yes");
}
if (node.getEditorX() != -1)
{
nodeElement.SetAttribute("editor-x", node.getEditorX().ToString());
}
if (node.getEditorY() != -1)
{
nodeElement.SetAttribute("editor-y", node.getEditorY().ToString());
}
// Adds the x position of the options conversations node
nodeElement.SetAttribute("x", ((OptionConversationNode)node).getX().ToString());
// Adds a random attribute if "preListening" is activate in conversation node data
nodeElement.SetAttribute("y", ((OptionConversationNode)node).getY().ToString());
// For each line of the node
for (int j = 0; j < node.getLineCount(); j++)
{
// Take the current conversation line
ConversationLine line = node.getLine(j);
// Create the actual option (a "speak-player" element) and add its respective text
XmlElement lineElement = doc.CreateElement("speak-player");
lineElement.InnerText = (node.getLine(j).getText());
//If there is audio track, store it as attribute
if (line.isValidAudio())
{
lineElement.SetAttribute("uri", line.getAudioPath());
}
//If there is a synthesizer valid voice, store it as attribute
if (line.getSynthesizerVoice())
{
lineElement.SetAttribute("synthesize", "yes");
}
// Create a child tag, and set it the index of the child
XmlElement childElement = doc.CreateElement("child");
childElement.SetAttribute("nodeindex", nodes.IndexOf(node.getChild(j)).ToString());
// Insert the text line in the option node
nodeElement.AppendChild(lineElement);
// Add conditions associated to that effect
DOMWriterUtility.DOMWrite(nodeElement, line.getConditions());
// Insert child tag
nodeElement.AppendChild(childElement);
}
// If node has an effect, include it into the DOM
if (node.hasEffects())
{
DOMWriterUtility.DOMWrite(nodeElement, node.getEffects());
}
}
// Add the node to the conversation
conversationElement.AppendChild(nodeElement);
}
}
