public static Node CreateNode(ShaderFragmentArchive.Function fn, String archiveName, HyperGraph.GraphControl graphControl, ShaderDiagram.Document doc)
{
var node = new Node(fn.Name);
node.Tag = new ShaderProcedureNodeTag(archiveName);
node.AddItem(new ShaderFragmentPreviewItem(graphControl, doc));
foreach (var param in fn.InputParameters)
{
node.AddItem(new ShaderFragmentNodeItem(param.Name, param.Type, archiveName + ":" + param.Name, true, false));
}
foreach (var output in fn.Outputs)
{
node.AddItem(new ShaderFragmentNodeItem(output.Name, output.Type, archiveName + ":" + output.Name, false, true));
}
return node;
}
private static NodeItem FindOrCreateNodeItem(Node node, Func<NodeItem, bool> predicate, Func<NodeItem> creator)
{
foreach (var i in node.Items)
if (predicate(i))
return i;
var newItem = creator();
node.AddItem(newItem);
return newItem;
}
public static Node CreateEmptyParameterNode(ShaderFragmentArchive.Parameter.SourceType sourceType, String archiveName, String title)
{
var node = new Node(title);
node.Tag = new ShaderParameterNodeTag(archiveName);
int selectedIndex = 0;
List<String> typeNames = new List<String>();
foreach (var e in Enum.GetValues(typeof(ShaderFragmentArchive.Parameter.SourceType)).Cast<ShaderFragmentArchive.Parameter.SourceType>())
{
if (e == sourceType)
{
selectedIndex = typeNames.Count;
}
typeNames.Add(AsString(e));
}
var typeSelection = new HyperGraph.Items.NodeDropDownItem(typeNames.ToArray(), selectedIndex, false, false);
node.AddItem(typeSelection);
typeSelection.SelectionChanged += ParameterNodeTypeChanged;
return node;
}