Merge pull request #251 from Unity-Technologies/UNI-32579-package-upgrade-breaks-component-links

Uni 32579 package upgrade breaks component links

Author: vkovec

.gitignore

@@ -20,7 +20,8 @@
 **/.idea/
 
 ## Unity ##
-*.meta
+[Aa]ssets/**/*.meta
+![Aa]ssets/FbxExporters/**/*.meta
 [Pp]rojectSettings/*.asset
 [Pp]rojectSettings/*.txt
 

Assets/FbxExporters/Editor.meta

@@ -180,6 +180,30 @@ public override void OnInspectorGUI() {
             }
             EditorGUI.EndDisabledGroup ();
 
+            if (!HideRepairMissingScripts ()) {
+                EditorGUILayout.Space ();
+
+                EditorGUI.indentLevel--;
+                EditorGUILayout.LabelField ("Repair Missing Scripts", EditorStyles.boldLabel);
+                EditorGUI.indentLevel++;
+
+                EditorGUILayout.Space ();
+
+                var repairMissingScripts = new GUIContent (
+                                           "Repair Missing Scripts",
+                                           "Repair missing FbxPrefab scripts in text assets");
+                if (GUILayout.Button (repairMissingScripts)) {
+                    bool result = FbxExporters.Editor.RepairMissingScripts.ReplaceGUIDInTextAssets ();
+                    if (result) {
+                        UnityEditor.EditorUtility.DisplayDialog ("Finished Repairing Scripts",
+                            "Repaired missing scripts in text serialized assets", "Ok");
+                    } else {
+                        UnityEditor.EditorUtility.DisplayDialog ("Finished Repairing Scripts",
+                            "Couldn't find any assets needing repair", "Ok");
+                    }
+                }
+            }
+
             GUILayout.FlexibleSpace ();
             GUILayout.EndScrollView ();
             GUILayout.EndVertical();
@@ -190,6 +214,11 @@ public override void OnInspectorGUI() {
             }
         }
 
+        private static bool HideRepairMissingScripts(){
+            var docPath = Application.dataPath + "/FbxExporters/FBX_Exporter_User_Guide_v1.1.0b1.pdf";
+            return File.Exists(docPath)? false : true;
+        }
+
         private static string TryFindDCC(string dccPath, string ext, ExportSettings.DCCType dccType){
             string dccName = "";
             switch (dccType) {

Assets/FbxExporters/Editor/ConvertToModel.cs.meta

@@ -0,0 +1,119 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+using System.IO;
+
+namespace FbxExporters.Editor
+{
+    public class RepairMissingScripts
+    {
+        private const string m_forumPackageGUID = "2d81c55c4d9d85146b1d2de96e084b63";
+        private const string m_currentPackageGUID = "628ffbda3fdf4df4588770785d91a698";
+
+        private const string m_fbxPrefabDLLFileId = "69888640";
+
+        private const string m_idFormat = "{{fileID: {0}, guid: {1}, type:";
+
+
+        private static string m_forumPackageSearchID;
+
+        private static string ForumPackageSearchID {
+            get {
+                if (string.IsNullOrEmpty (m_forumPackageSearchID)) {
+                    m_forumPackageSearchID = string.Format (m_idFormat, m_fbxPrefabDLLFileId, m_forumPackageGUID);
+                }
+                return m_forumPackageSearchID;
+            }
+        }
+
+        private static string m_currentPackageSearchID;
+
+        private static string CurrentPackageSearchID {
+            get {
+                if (string.IsNullOrEmpty (m_currentPackageSearchID)) {
+                    m_currentPackageSearchID = string.Format (m_idFormat, m_fbxPrefabDLLFileId, m_currentPackageGUID);
+                }
+                return m_currentPackageSearchID;
+            }
+        }
+
+        public static bool ReplaceGUIDInTextAssets ()
+        {
+            // search project for assets containing old GUID
+
+            // ignore if forced binary
+            if (UnityEditor.EditorSettings.serializationMode == SerializationMode.ForceBinary) {
+                return false;
+            }
+
+            // check all scenes and prefabs
+            string[] searchFilePatterns = new string[]{ "*.prefab", "*.unity" };
+
+            bool replacedGUID = false;
+            foreach (string searchPattern in searchFilePatterns) {
+                foreach (string file in Directory.GetFiles(Application.dataPath, searchPattern, SearchOption.AllDirectories)) {
+                    replacedGUID |= ReplaceGUIDInFile (file);
+                }
+            }
+            if (replacedGUID) {
+                AssetDatabase.Refresh ();
+            }
+            return replacedGUID;
+        }
+
+        private static bool ReplaceGUIDInFile (string path)
+        {
+            // try to read file, assume it's a text file for now
+            bool modified = false;
+
+            try {
+                var tmpFile = Path.GetTempFileName();
+                if(string.IsNullOrEmpty(tmpFile)){
+                    return false;
+                }
+
+                using(var sr = new StreamReader (path)){
+                    // verify that this is a text file
+                    var firstLine = "";
+                    if (sr.Peek () > -1) {
+                        firstLine = sr.ReadLine ();
+                        if (!firstLine.StartsWith ("%YAML")) {
+                            sr.Close ();
+                            return false;
+                        }
+                    }
+
+                    using(var sw = new StreamWriter (tmpFile, false)){
+                        if (!string.IsNullOrEmpty (firstLine)) {
+                            sw.WriteLine (firstLine);
+                        }
+
+                        while (sr.Peek () > -1) {
+                            var line = sr.ReadLine ();
+
+                            if (line.Contains (ForumPackageSearchID)) {
+                                line = line.Replace (ForumPackageSearchID, CurrentPackageSearchID);
+                                modified = true;
+                            }
+
+                            sw.WriteLine (line);
+                        }
+                    }
+                }
+
+                if (modified) {
+                    File.Delete (path);
+                    File.Move (tmpFile, path);
+                    return true;
+                } else {
+                    File.Delete (tmpFile);
+                }
+            } catch (IOException e) {
+                Debug.LogError (string.Format ("Failed to replace GUID in file {0} (error={1})", path, e));
+            }
+
+            return false;
+        }
+    }
+}