[REMOVED] code for exporting that we didn't need

[ADDED] comments and a log to give some information
[ADDED] added a check if the index of the potential recttransform is below 0 (which means it isnt a rect transform)

Author: AJubrey

Assets/FbxExporters/Editor/FbxExporter.cs

@@ -683,41 +683,22 @@ protected void ExportTransform (UnityEngine.Transform unityTransform, FbxNode fb
                 FbxDouble3 fbxRotate;
                 UnityEngine.Vector3 unityScale;
 
-                RectTransform uiComponent = unityTransform.gameObject.GetComponent<RectTransform>();
 
                 switch (exportType) {
                 case TransformExportType.Reset:
                     unityTranslate = Vector3.zero;
                     fbxRotate = new FbxDouble3 (0);
                     unityScale = Vector3.one;
-                    if (uiComponent != null) // if this component is a RectTransform
-                        {
-                        unityTranslate = uiComponent.localPosition;
-                        fbxRotate = ConvertQuaternionToXYZEuler(uiComponent.localRotation);
-                        unityScale = uiComponent.localScale;
-                    }
                     break;
                 case TransformExportType.Global:
                     unityTranslate = GetRecenteredTranslation(unityTransform, newCenter);
                     fbxRotate = ConvertQuaternionToXYZEuler(unityTransform.rotation);
                     unityScale = unityTransform.lossyScale;
-                    if (uiComponent != null) // if this component is a RectTransform
-                    {
-                        unityTranslate = GetRecenteredTranslation(uiComponent.transform, newCenter);
-                        fbxRotate = ConvertQuaternionToXYZEuler(uiComponent.rotation);
-                        unityScale = uiComponent.lossyScale;
-                    }
                     break;
                 default: /*case TransformExportType.Local*/
                     unityTranslate = unityTransform.localPosition;
                     fbxRotate = ConvertQuaternionToXYZEuler(unityTransform.localRotation);
                     unityScale = unityTransform.localScale;
-                    if(uiComponent != null) // if this component is a RectTransform
-                        {
-                        unityTranslate = uiComponent.localPosition;
-                        fbxRotate = ConvertQuaternionToXYZEuler(uiComponent.localRotation);
-                        unityScale = uiComponent.localScale;
-                    }
                     break;
                 }
 

Assets/FbxExporters/Editor/FbxPrefabAutoUpdater.cs

@@ -984,23 +984,32 @@ public HashSet<GameObject> ImplementUpdates(FbxPrefab prefabInstance)
                                 Log("created component {0}:{1}", nodeName, fbxComponent.t);
                             }
 
+                            //If the prefabComponent has not been assigned yet,
+                            //it means that we couldn't find it, and that we tried to add it but that it seems like it already exists.
                             if (!prefabComponent) {
-                                
+                                //This is to confirm that it is a RectTransform
                                 index = prefabComponents.FindIndex(x => x.GetType() == typeof(RectTransform));
+
+                                if (index < 0)
+                                {
+                                    Log("The component could not be found or added, and was not a RectTransform");
+                                    continue;
+                                }
+
                                 prefabComponent = prefabComponents[index];
                                 prefabComponents.RemoveAt(index);
 
                                 GameObject tempGameObject = new GameObject();
                                 try
-                                {
-                                    
+                                {                                    
                                     Transform tempTransform = tempGameObject.transform;
 
                                     UnityEditor.EditorJsonUtility.FromJsonOverwrite(fbxComponent.jsonValue, tempTransform);
 
-                                    prefabComponent.gameObject.GetComponent<RectTransform>().rotation = tempTransform.rotation;
-                                    prefabComponent.gameObject.GetComponent<RectTransform>().position = tempTransform.position;
-                                    prefabComponent.gameObject.GetComponent<RectTransform>().localScale = tempTransform.localScale;
+                                    var rectTransform = prefabComponent as RectTransform;
+                                    rectTransform.rotation = tempTransform.rotation;
+                                    rectTransform.position = tempTransform.position;
+                                    rectTransform.localScale = tempTransform.localScale;
                                 }
                                 finally
                                 {