public static VertexLayout LoadFromXPathNavigator(XPathNavigator navigator)
{
if (navigator == null)
{
return null;
}
VertexLayout vertexLayout = new VertexLayout();
//name
vertexLayout.Name = navigator.GetAttribute("Name", String.Empty);
//name hash
vertexLayout.NameHash = Cryptography.JenkinsOneAtATime(vertexLayout.Name);
//entries
XPathNodeIterator entries = navigator.Select("./Array[@Name='Entries']/Object[@Class='LayoutEntry']");
while (entries.MoveNext())
{
navigator = entries.Current;
VertexLayout.Entry entry = new Entry();
//stream
entry.Stream = UInt32.Parse(navigator.GetAttribute("Stream", String.Empty));
//data type
string dataTypeString = navigator.GetAttribute("Type", String.Empty);
Entry.GetDataTypeFromString(dataTypeString, out entry.DataType);
//data usage
string dataUsageString = navigator.GetAttribute("Usage", String.Empty);
Entry.GetDataUsageFromString(dataUsageString, out entry.DataUsage);
//data usage index
entry.DataUsageIndex = UInt32.Parse(navigator.GetAttribute("UsageIndex", String.Empty));
vertexLayout.Entries.Add(entry);
}
return vertexLayout;
}
public static VertexLayout LoadFromXPathNavigator(XPathNavigator navigator)
{
if (navigator == null)
{
return(null);
}
VertexLayout vertexLayout = new VertexLayout();
//name
vertexLayout.Name = navigator.GetAttribute("Name", String.Empty);
//name hash
vertexLayout.NameHash = Cryptography.JenkinsOneAtATime(vertexLayout.Name);
//entries
XPathNodeIterator entries = navigator.Select("./Array[@Name='Entries']/Object[@Class='LayoutEntry']");
while (entries.MoveNext())
{
navigator = entries.Current;
VertexLayout.Entry entry = new Entry();
//stream
entry.Stream = UInt32.Parse(navigator.GetAttribute("Stream", String.Empty));
//data type
string dataTypeString = navigator.GetAttribute("Type", String.Empty);
Entry.GetDataTypeFromString(dataTypeString, out entry.DataType);
//data usage
string dataUsageString = navigator.GetAttribute("Usage", String.Empty);
Entry.GetDataUsageFromString(dataUsageString, out entry.DataUsage);
//data usage index
entry.DataUsageIndex = UInt32.Parse(navigator.GetAttribute("UsageIndex", String.Empty));
vertexLayout.Entries.Add(entry);
}
return(vertexLayout);
}
private void loadVertexLayoutsByXPathNavigator(XPathNavigator navigator)
{
//material definitions
XPathNodeIterator vertexLayouts = null;
try
{
vertexLayouts = navigator.Select("/Object/Array[@Name='InputLayouts']/Object[@Class='InputLayout']");
}
catch (Exception)
{
return;
}
while (vertexLayouts.MoveNext())
{
VertexLayout vertexLayout = VertexLayout.LoadFromXPathNavigator(vertexLayouts.Current);
if (vertexLayout != null && false == VertexLayouts.ContainsKey(vertexLayout.NameHash))
{
VertexLayouts.Add(vertexLayout.NameHash, vertexLayout);
}
}
}
