/// <summary> Dublicate selected nodes and select the dublicates </summary>
public void DublicateSelectedNodes()
{
UnityEngine.Object[] newNodes = new UnityEngine.Object[Selection.objects.Length];
Dictionary <XNode.Node, XNode.Node> substitutes = new Dictionary <XNode.Node, XNode.Node>();
for (int i = 0; i < Selection.objects.Length; i++)
{
if (Selection.objects[i] is XNode.Node)
{
XNode.Node srcNode = Selection.objects[i] as XNode.Node;
if (srcNode.graph != graph)
{
continue; // ignore nodes selected in another graph
}
XNode.Node newNode = graph.CopyNode(srcNode);
substitutes.Add(srcNode, newNode);
newNode.position = srcNode.position + new Vector2(30, 30);
newNodes[i] = newNode;
}
}
// Walk through the selected nodes again, recreate connections, using the new nodes
for (int i = 0; i < Selection.objects.Length; i++)
{
if (Selection.objects[i] is XNode.Node)
{
XNode.Node srcNode = Selection.objects[i] as XNode.Node;
if (srcNode.graph != graph)
{
continue; // ignore nodes selected in another graph
}
foreach (XNode.NodePort port in srcNode.Ports)
{
for (int c = 0; c < port.ConnectionCount; c++)
{
XNode.NodePort inputPort = port.direction == XNode.NodePort.IO.Input ? port : port.GetConnection(c);
XNode.NodePort outputPort = port.direction == XNode.NodePort.IO.Output ? port : port.GetConnection(c);
if (substitutes.ContainsKey(inputPort.node) && substitutes.ContainsKey(outputPort.node))
{
XNode.Node newNodeIn = substitutes[inputPort.node];
XNode.Node newNodeOut = substitutes[outputPort.node];
newNodeIn.UpdateStaticPorts();
newNodeOut.UpdateStaticPorts();
inputPort = newNodeIn.GetInputPort(inputPort.fieldName);
outputPort = newNodeOut.GetOutputPort(outputPort.fieldName);
}
if (!inputPort.IsConnectedTo(outputPort))
{
inputPort.Connect(outputPort);
}
}
}
}
}
Selection.objects = newNodes;
}