private void OnFragmentTreeItemDrag(object sender, ItemDragEventArgs e)
{
if (e != null)
{
if (e.Item is Aga.Controls.Tree.TreeNodeAdv[])
{
var array = (Aga.Controls.Tree.TreeNodeAdv[])e.Item;
foreach (var a in array)
{
if (a.Tag is TreeViewArchiveModel.ShaderFragmentItem)
{
var item = (TreeViewArchiveModel.ShaderFragmentItem)a.Tag;
var archiveName = item.ArchiveName;
if (archiveName != null && archiveName.Length > 0)
{
var fn = ShaderFragmentArchive.Archive.GetFunction(archiveName);
if (fn != null)
{
this.DoDragDrop(ShaderFragmentNodeCreator.CreateNode(fn, archiveName, graphControl, _document), DragDropEffects.Copy);
}
}
}
else if (a.Tag is TreeViewArchiveModel.ParameterStructItem)
{
var item = (TreeViewArchiveModel.ParameterStructItem)a.Tag;
var archiveName = item.ArchiveName;
if (archiveName != null && archiveName.Length > 0)
{
var fn = ShaderFragmentArchive.Archive.GetParameterStruct(archiveName);
if (fn != null)
{
this.DoDragDrop(ShaderFragmentNodeCreator.CreateParameterNode(fn, archiveName, ShaderFragmentArchive.Parameter.SourceType.Material), DragDropEffects.Copy);
}
}
}
}
}
}
}
public static void AddToHyperGraph(ShaderPatcherLayer.NodeGraph nodeGraph, HyperGraph.GraphControl graphControl, ShaderDiagram.Document doc)
{
//
// Convert from the "ShaderPatcherLayer" representation back to
// our graph control nodes.
//
// This is required for robust serialisation. We can't easily
// serialise in and out the graph control objects directly, because
// it risks problems if the rendering code or shader fragment objects
// change. That is, it's not very version-robust.
//
// It's better to serialise a slightly higher level representation
// that just contains the node names and connections. That way, we
// can adapt to changes in the tool and data.
//
{
// --------< Basic Nodes >--------
var newNodes = new Dictionary <int, Node>();
var nodeIdToControlNode = new Dictionary <UInt64, Node>();
foreach (var n in nodeGraph.Nodes)
{
if (!newNodes.ContainsKey(n.VisualNodeId))
{
if (n.NodeType == ShaderPatcherLayer.Node.Type.Procedure)
{
var fn = ShaderFragmentArchive.Archive.GetFunction(n.FragmentArchiveName);
if (fn != null)
{
var visualNode = nodeGraph.VisualNodes[n.VisualNodeId];
var newNode = ShaderFragmentNodeCreator.CreateNode(fn, n.FragmentArchiveName, graphControl, doc);
newNode.Location = visualNode.Location;
newNode.Collapsed = visualNode.State == ShaderPatcherLayer.VisualNode.StateType.Collapsed;
newNodes[n.VisualNodeId] = newNode;
nodeIdToControlNode[n.NodeId] = newNode;
}
}
else
{
var ps = ShaderFragmentArchive.Archive.GetParameterStruct(n.FragmentArchiveName);
if (ps != null)
{
var visualNode = nodeGraph.VisualNodes[n.VisualNodeId];
var newNode = ShaderFragmentNodeCreator.CreateParameterNode(ps, n.FragmentArchiveName, AsSourceType(n.NodeType));
newNode.Location = visualNode.Location;
newNode.Collapsed = visualNode.State == ShaderPatcherLayer.VisualNode.StateType.Collapsed;
newNodes[n.VisualNodeId] = newNode;
nodeIdToControlNode[n.NodeId] = newNode;
}
}
}
}
graphControl.AddNodes(newNodes.Values);
// --------< Node Connections >--------
foreach (var c in nodeGraph.NodeConnections)
{
if (nodeIdToControlNode.ContainsKey(c.InputNodeID) && nodeIdToControlNode.ContainsKey(c.OutputNodeID))
{
var inputItem = FindOrCreateNodeItem(nodeIdToControlNode[c.InputNodeID],
(item) => (item.Output != null && item.Output.Enabled && item is ShaderFragmentNodeItem && ((ShaderFragmentNodeItem)item).Name.Equals(c.InputParameterName)),
() => new ShaderFragmentNodeItem("return", c.InputType, null, false, true));
var outputItem = FindOrCreateNodeItem(nodeIdToControlNode[c.OutputNodeID],
(item) => (item.Input != null && item.Input.Enabled && item is ShaderFragmentNodeItem && ((ShaderFragmentNodeItem)item).Name.Equals(c.OutputParameterName)),
() => new ShaderFragmentNodeItem(c.OutputParameterName, c.OutputType, null, true, false));
graphControl.Connect(inputItem.Output, outputItem.Input);
}
}
// --------< Node Constant Connections >--------
foreach (var c in nodeGraph.NodeConstantConnections)
{
if (nodeIdToControlNode.ContainsKey(c.OutputNodeID))
{
var node = nodeIdToControlNode[c.OutputNodeID];
var outputItem = FindOrCreateNodeItem(node,
(item) => (item.Input != null && item.Input.Enabled && item is ShaderFragmentNodeItem && ((ShaderFragmentNodeItem)item).Name.Equals(c.OutputParameterName)),
() => new ShaderFragmentNodeItem(c.OutputParameterName, "float", null, true, false));
var connection = new NodeConnection();
connection.To = outputItem.Input;
connection.Name = c.Value;
node.AddConnection(connection);
}
}
}
}