private void WriteNode(StringBuilder xml, HashSet <CsgNode> added, CsgGroup node, string indent)
{
string tagName = node.GetType().Name;
xml.Append(indent);
xml.Append("<");
xml.Append(tagName);
if (node.IsObjectRoot || node.ReferencedByCount != 1)
{
xml.Append(" Id=\"");
xml.Append(node.Id);
xml.Append("\"");
}
if (!string.IsNullOrEmpty(node.Name))
{
xml.Append(" Name=\"");
xml.Append(node.Name);
xml.Append("\"");
}
xml.AppendLine(">");
foreach (CsgNode child in node.Children)
{
WriteNode(xml, added, child, indent + " ");
}
xml.Append(indent);
xml.Append("</");
xml.Append(tagName);
xml.AppendLine(">");
}
private void ReadElement(XElement root, CsgGroup owner)
{
foreach (XElement e in root.Elements())
{
CsgNode node = null;
string id = e.Attribute("Id").GetValue();
switch (e.Name.LocalName)
{
case "Link":
if (!nodeIds.TryGetValue(id, out node))
{
deferredLinks.Add(new Tuple <string, CsgGroup>(id, owner));
}
break;
case "CsgCube": node = ReadCube(e); break;
case "CsgScale": node = ReadScale(e); break;
case "CsgTranslate": node = ReadTranslate(e); break;
case "CsgRotate": node = ReadRotate(e); break;
default:
Type type = Type.GetType("ConstructorEngine." + e.Name.LocalName);
if (type != null)
{
node = Activator.CreateInstance(type) as CsgNode;
}
break;
}
if (node != null)
{
node.Name = e.Attribute("Name").GetValue(node.Name);
if (!string.IsNullOrEmpty(id))
{
nodeIds[id] = node;
}
if (owner != null)
{
owner.AddChild(node);
}
else
{
node.IsObjectRoot = true;
}
Repository.RegisterNode(node);
if (node is CsgGroup)
{
ReadElement(e, (CsgGroup)node);
}
}
}
}
