From 963eb84edb3f6bbbb5430afc8bc1c20be03a421e Mon Sep 17 00:00:00 2001
From: Thor <thorbrigsted@gmail.com>
Date: Wed, 11 Oct 2017 08:36:36 +0200
Subject: [PATCH] Possible solution found. NodeGraph now initializes
 NodeDataCache before creating any nodes.

---
 Resources/New Node Data Cache.asset           | Bin 0 -> 4184 bytes
 ...et.meta => New Node Data Cache.asset.meta} |   6 ++--
 Resources/NodeDataCache.asset                 |  14 ----------
 Scripts/NodeDataCache.cs                      |  26 +++++++++++-------
 Scripts/NodeGraph.cs                          |   4 +--
 5 files changed, 21 insertions(+), 29 deletions(-)
 create mode 100644 Resources/New Node Data Cache.asset
 rename Resources/{NodeDataCache.asset.meta => New Node Data Cache.asset.meta} (61%)
 delete mode 100644 Resources/NodeDataCache.asset

diff --git a/Resources/New Node Data Cache.asset b/Resources/New Node Data Cache.asset
new file mode 100644
index 0000000000000000000000000000000000000000..98c7f5f59a4d35c557ef7fbc609f1d162e555f8d
GIT binary patch
literal 4184
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l&H?9ubKrnGp!bnNeeaE=_h7|;nX5FH{G1+Kx%kDUy#I7mhHd}=

literal 0
HcmV?d00001

diff --git a/Resources/NodeDataCache.asset.meta b/Resources/New Node Data Cache.asset.meta
similarity index 61%
rename from Resources/NodeDataCache.asset.meta
rename to Resources/New Node Data Cache.asset.meta
index cd7469f..830cf51 100644
--- a/Resources/NodeDataCache.asset.meta
+++ b/Resources/New Node Data Cache.asset.meta	
@@ -1,7 +1,7 @@
 fileFormatVersion: 2
-guid: a6799b9b87b05a14f9053390f4500d7b
-timeCreated: 1507567505
-licenseType: Free
+guid: a05ee176e92214f48a94c321dad1614d
+timeCreated: 1507703437
+licenseType: Pro
 NativeFormatImporter:
   mainObjectFileID: 11400000
   userData: 
diff --git a/Resources/NodeDataCache.asset b/Resources/NodeDataCache.asset
deleted file mode 100644
index dbef4f7..0000000
--- a/Resources/NodeDataCache.asset
+++ /dev/null
@@ -1,14 +0,0 @@
-%YAML 1.1
-%TAG !u! tag:unity3d.com,2011:
---- !u!114 &11400000
-MonoBehaviour:
-  m_ObjectHideFlags: 0
-  m_PrefabParentObject: {fileID: 0}
-  m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 0}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: a6399826e2c44b447b32a3ed06646162, type: 3}
-  m_Name: NodeDataCache
-  m_EditorClassIdentifier: 
-  nodes: []
diff --git a/Scripts/NodeDataCache.cs b/Scripts/NodeDataCache.cs
index 61aa3db..aa02cd1 100644
--- a/Scripts/NodeDataCache.cs
+++ b/Scripts/NodeDataCache.cs
@@ -14,30 +14,36 @@ public sealed class NodeDataCache : ScriptableObject {
         }
     }
     public static NodeDataCache _instance;
+    public static bool Initialized { get { return _instance != null; } }
 
     [SerializeField] 
     private PortDataCache portDataCache = new PortDataCache();
+
     /// <summary> Return port data from cache </summary>
     public static void GetPorts(Node node, ref List<NodePort> inputs, ref List<NodePort> outputs) {
-        //if (_instance == null) Resources.FindObjectsOfTypeAll<NodeDataCache>()[0];
+        if (!Initialized) Initialize();
 
         System.Type nodeType = node.GetType();
         inputs = new List<NodePort>();
         outputs = new List<NodePort>();
-        if (!instance.portDataCache.ContainsKey(nodeType)) return;
-        for (int i = 0; i < instance.portDataCache[nodeType].Count; i++) {
-            if (instance.portDataCache[nodeType][i].direction == NodePort.IO.Input) inputs.Add(new NodePort(instance.portDataCache[nodeType][i], node));
-            else outputs.Add(new NodePort(instance.portDataCache[nodeType][i], node));
+        if (!_instance.portDataCache.ContainsKey(nodeType)) return;
+        for (int i = 0; i < _instance.portDataCache[nodeType].Count; i++) {
+            if (_instance.portDataCache[nodeType][i].direction == NodePort.IO.Input) inputs.Add(new NodePort(_instance.portDataCache[nodeType][i], node));
+            else outputs.Add(new NodePort(_instance.portDataCache[nodeType][i], node));
         }
     }
- 
+    
+    public static void Initialize() { 
+        _instance = Resources.LoadAll<NodeDataCache>("").FirstOrDefault(); 
+    }
+
 #if UNITY_EDITOR
-    [UnityEditor.InitializeOnLoadMethod( )]
-#endif
-    private static void Init() {
-        Debug.Log("Init");
+    [UnityEditor.Callbacks.DidReloadScripts]
+    private static void Reload() {
+        Initialize();
         instance.BuildCache();
     }
+#endif
 
     private void BuildCache() {
         System.Type baseType = typeof(Node);
diff --git a/Scripts/NodeGraph.cs b/Scripts/NodeGraph.cs
index 58baa23..878a6f0 100644
--- a/Scripts/NodeGraph.cs
+++ b/Scripts/NodeGraph.cs
@@ -1,5 +1,4 @@
-using System.Collections;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using UnityEngine;
 using System;
 
@@ -16,6 +15,7 @@ public abstract class NodeGraph : ScriptableObject, ISerializationCallbackReceiv
     }
 
     public virtual Node AddNode(Type type) {
+        if (!NodeDataCache.Initialized) NodeDataCache.Initialize();
         Node node = ScriptableObject.CreateInstance(type) as Node;
 #if UNITY_EDITOR
         if (!Application.isPlaying) {