public static GroupNode FromNodes(string name, List <Node> nodes, System.Type graphType)
{
if (nodes.Count == 0)
{
throw new ArgumentException("No nodes to group");
}
Graph parentGraph = nodes[0].graph;
if (parentGraph == null)
{
throw new ArgumentException("Nodes needs to be attached to a graph");
}
GroupNode node = new GroupNode(name, parentGraph, graphType);
parentGraph.AddNode(node);
node.m_ProxyInNode = ProxyNode.Instance(true);
node.subGraph.AddNode(node.m_ProxyInNode);
node.m_ProxyOutNode = ProxyNode.Instance(false);
node.subGraph.AddNode(node.m_ProxyOutNode);
List <UnityEditor.Graphs.Edge> list = new List <UnityEditor.Graphs.Edge>();
foreach (Node node2 in nodes)
{
list.AddRange(node2.outputEdges);
list.AddRange(node2.inputEdges);
node.AddChildNode(node2);
parentGraph.nodes.Remove(node2);
}
foreach (UnityEditor.Graphs.Edge edge in list)
{
if ((edge.fromSlot.node.graph == node.subGraph) && (edge.toSlot.node.graph == node.subGraph))
{
if (!node.subGraph.Connected(edge.fromSlot, edge.toSlot))
{
node.subGraph.Connect(edge.fromSlot, edge.toSlot);
}
}
else if ((edge.fromSlot.node.graph == node.subGraph) && (edge.toSlot.node.graph != node.subGraph))
{
string str = edge.fromSlot.name;
int num = 0;
while (node.m_ProxyInNode[str] != null)
{
str = edge.fromSlot.name + "_" + num++;
}
Slot s = new Slot(SlotType.InputSlot, str);
node.m_ProxyInNode.AddSlot(s);
node.subGraph.Connect(edge.fromSlot, s);
Slot slot2 = new Slot(SlotType.OutputSlot, str);
node.AddSlot(slot2);
node.graph.Connect(slot2, edge.toSlot);
}
else if ((edge.fromSlot.node.graph != node.subGraph) && (edge.toSlot.node.graph == node.subGraph))
{
string str2 = edge.toSlot.name;
int num2 = 0;
while (node.m_ProxyOutNode[str2] != null)
{
str2 = edge.toSlot.name + "_" + num2++;
}
Slot slot3 = new Slot(SlotType.OutputSlot, str2);
node.m_ProxyOutNode.AddSlot(slot3);
node.subGraph.Connect(slot3, edge.toSlot);
Slot slot4 = new Slot(SlotType.InputSlot, str2);
node.AddSlot(slot4);
node.graph.Connect(edge.fromSlot, slot4);
}
node.graph.RemoveEdge(edge);
}
return(node);
}
private GroupNode(string name, Graph parentGraph, System.Type graphType)
{
this.m_SubGraph = (Graph)Activator.CreateInstance(graphType);
base.name = name;
this.m_SubGraph.name = "SubGraph";
}
