private void ReadNodes(SceneNode pParent, XmlElement scene)
{
XmlNodeList xnl = scene.GetElementsByTagName("node");
foreach(XmlNode pNodeNode in xnl)
{
ReadNode(pParent, (XmlElement)pNodeNode);
}
}
private void ReadNode(SceneNode pParent, XmlElement nodeNode)
{
string pNameNode = nodeNode.GetAttribute("name");
string pMeshNode = nodeNode.GetAttribute("mesh");
string pProgNode = nodeNode.GetAttribute("prog");
PARSE_THROW(pNameNode, "Node found with no `name` name specified.");
PARSE_THROW(pMeshNode, "Node found with no `mesh` name specified.");
PARSE_THROW(pProgNode, "Node found with no `prog` name specified.");
string pPositionNode = nodeNode.GetAttribute("pos");
string pOrientNode = nodeNode.GetAttribute("orient");
string pScaleNode = nodeNode.GetAttribute("scale");
PARSE_THROW(pPositionNode, "Node found with no `pos` specified.");
if(m_nodes.Keys.Contains(pNameNode))
{
MessageBox.Show("The node named " + pNameNode + " already exist.");
}
if(!m_meshes.Keys.Contains(pMeshNode))
{
MessageBox.Show("The node named " + pNameNode + " references the mesh " + pMeshNode + " which does not exist.");
}
if(!m_progs.Keys.Contains(pProgNode))
{
MessageBox.Show("The node named " + pNameNode + " references the program " + pProgNode + " which does not exist.");
}
Vector3 nodePos = ParseVec3(pPositionNode);
SceneNode pNode = new SceneNode(m_meshes[pMeshNode], m_progs[pProgNode], nodePos, ReadNodeTextures(nodeNode));
m_nodes[pNameNode] = pNode;
//parent/child nodes.
if(pParent == null)
m_rootNodes.Add(pNode);
if(pOrientNode != "")
pNode.SetNodeOrient(ParseQuaternion(pOrientNode));
if(pScaleNode != "")
{
try
{
Vector3 result = ParseVec3(pScaleNode);
pNode.SetNodeScale(result);
}
catch
{
float unifScale = float.Parse(pScaleNode);
pNode.SetNodeScale(new Vector3(unifScale));
}
}
ReadNodeNotes(nodeNode);
}