From 588fc0d80a965cae821423cdb8ae6f0440afc660 Mon Sep 17 00:00:00 2001
From: Thor Brigsted <thorbrigsted@gmail.com>
Date: Sat, 7 Apr 2018 18:47:28 +0200
Subject: [PATCH] Fix potential error when copying a NodeGraph with null nodes

---
 Scripts/NodeGraph.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Scripts/NodeGraph.cs b/Scripts/NodeGraph.cs
index 09010dc..32310d2 100644
--- a/Scripts/NodeGraph.cs
+++ b/Scripts/NodeGraph.cs
@@ -51,6 +51,7 @@ namespace XNode {
             NodeGraph graph = Instantiate(this);
             // Instantiate all nodes inside the graph
             for (int i = 0; i < nodes.Count; i++) {
+                if (nodes[i] == null) continue;
                 Node node = Instantiate(nodes[i]) as Node;
                 node.graph = graph;
                 graph.nodes[i] = node;
@@ -58,6 +59,7 @@ namespace XNode {
 
             // Redirect all connections
             for (int i = 0; i < graph.nodes.Count; i++) {
+                if (graph.nodes[i] == null) continue;
                 foreach (NodePort port in graph.nodes[i].Ports) {
                     port.Redirect(nodes, graph.nodes);
                 }