public Node CreateNode(ShaderFragmentArchive.Function fn, string archiveName, ShaderPatcherLayer.PreviewSettings previewSettings)
{
var node = new Node((fn != null) ? fn.Name : VisibleName(archiveName));
node.Tag = new ShaderProcedureNodeTag(archiveName);
var previewItem = new ShaderFragmentPreviewItem();
if (previewSettings != null)
{
previewItem.PreviewSettings = previewSettings;
}
// use composition to access some exported types --
{
CompositionBatch compositionBatch = new CompositionBatch();
compositionBatch.AddPart(previewItem);
_composer.Compose(compositionBatch);
}
node.AddItem(previewItem);
// Drop-down selection box for "preview mode"
var enumList = AsEnumList(previewItem.Geometry, PreviewGeoNames);
var previewModeSelection = new HyperGraph.Items.NodeDropDownItem(enumList.Item1.ToArray(), enumList.Item2, false, false);
node.AddItem(previewModeSelection);
previewModeSelection.SelectionChanged +=
(object sender, HyperGraph.Items.AcceptNodeSelectionChangedEventArgs args) =>
{
if (sender is HyperGraph.Items.NodeDropDownItem)
{
var item = (HyperGraph.Items.NodeDropDownItem)sender;
previewItem.Geometry = AsEnumValue <ShaderPatcherLayer.PreviewGeometry>(item.Items[args.Index], PreviewGeoNames);
}
};
// Text item box for output visualization string
// note -- should could potentially become a more complex editing control
// it might be useful to have some preset defaults and helpers rather than just
// requiring the user to construct the raw string
var outputToVisualize = new HyperGraph.Items.NodeTextBoxItem(previewItem.OutputToVisualize, false, false);
node.AddItem(outputToVisualize);
outputToVisualize.TextChanged +=
(object sender, HyperGraph.Items.AcceptNodeTextChangedEventArgs args) => { previewItem.OutputToVisualize = args.Text; };
if (fn != null)
{
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);
}
public Node CreateEmptyParameterNode(ParamSourceType sourceType, String archiveName, String title)
{
var node = new Node(title);
node.Tag = new ShaderParameterNodeTag(archiveName);
var enumList = AsEnumList(sourceType, ParamSourceTypeNames);
var typeSelection = new HyperGraph.Items.NodeDropDownItem(enumList.Item1.ToArray(), enumList.Item2, false, false);
node.AddItem(typeSelection);
typeSelection.SelectionChanged += ParameterNodeTypeChanged;
return(node);
}
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);
}
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;
}
