private static void SerializeNode(BinaryWriter bw, NodeVisual node)
{
bw.Write(node.GUID);
bw.Write(node.X);
bw.Write(node.Y);
bw.Write(node.Callable);
bw.Write(node.ExecInit);
bw.Write(node.Name);
bw.Write(node.Order);
if (node.CustomEditor == null)
{
bw.Write("");
bw.Write("");
}
else
{
bw.Write(node.CustomEditor.GetType().Assembly.GetName().Name);
bw.Write(node.CustomEditor.GetType().FullName);
}
bw.Write(node.Type.Name);
var context = (node.GetNodeContext() as DynamicNodeContext).Serialize();
bw.Write(context.Length);
bw.Write(context);
bw.Write(8); //additional data size per node
bw.Write(node.Int32Tag);
bw.Write(node.NodeColor.ToArgb());
}
private NodeVisual DeserializeNode(BinaryReader br)
{
var nv = new NodeVisual();
nv.GUID = br.ReadString();
nv.X = br.ReadSingle();
nv.Y = br.ReadSingle();
nv.Callable = br.ReadBoolean();
nv.ExecInit = br.ReadBoolean();
nv.Name = br.ReadString();
nv.Order = br.ReadInt32();
var customEditorAssembly = br.ReadString();
var customEditor = br.ReadString();
nv.Type = Context.GetType().GetMethod(br.ReadString());
var attribute = nv.Type.GetCustomAttributes(typeof(NodeAttribute), false)
.Cast <NodeAttribute>()
.FirstOrDefault();
if (attribute != null)
{
nv.CustomWidth = attribute.Width;
nv.CustomHeight = attribute.Height;
}
(nv.GetNodeContext() as DynamicNodeContext).Deserialize(br.ReadBytes(br.ReadInt32()));
var additional = br.ReadInt32(); //read additional data
if (additional >= 4)
{
nv.Int32Tag = br.ReadInt32();
if (additional >= 8)
{
nv.NodeColor = Color.FromArgb(br.ReadInt32());
}
}
if (additional > 8)
{
br.ReadBytes(additional - 8);
}
if (customEditor != "")
{
nv.CustomEditor =
Activator.CreateInstance(AppDomain.CurrentDomain, customEditorAssembly, customEditor).Unwrap() as Control;
Control ctrl = nv.CustomEditor;
if (ctrl != null)
{
ctrl.Tag = nv;
Controls.Add(ctrl);
}
nv.LayoutEditor();
}
return(nv);
}
/// <summary>
/// Resolves given node, resolving it all dependencies recursively.
/// </summary>
/// <param name="node"></param>
private void Resolve(NodeVisual node)
{
var icontext = (node.GetNodeContext() as DynamicNodeContext);
foreach (var input in node.GetInputs())
{
var connection = GetConnection(node.GUID + input.Name);
//graph.Connections.FirstOrDefault(x => x.InputNode == node && x.InputSocketName == input.Name);
if (connection != null)
{
Resolve(connection.OutputNode);
if (!connection.OutputNode.Callable)
{
connection.OutputNode.Execute(Context);
}
var ocontext = (connection.OutputNode.GetNodeContext() as DynamicNodeContext);
icontext[connection.InputSocketName] = ocontext[connection.OutputSocketName];
}
}
}
private void ExecuteResolvingInternal(NodeVisual node)
{
var icontext = (node.GetNodeContext() as DynamicNodeContext);
foreach (var input in node.GetInputs())
{
var connection =
graph.Connections.FirstOrDefault(x => x.InputNode == node && x.InputSocketName == input.Name);
if (connection != null)
{
Resolve(connection.OutputNode);
connection.OutputNode.Execute(Context);
ExecuteResolvingInternal(connection.OutputNode);
var ocontext = (connection.OutputNode.GetNodeContext() as DynamicNodeContext);
icontext[connection.InputSocketName] = ocontext[connection.OutputSocketName];
}
}
}