not so fast

Author: inwoods

Assets/FbxExporters/Editor/ConvertToModel.cs

@@ -0,0 +1,128 @@
+// ***********************************************************************
+// Copyright (c) 2017 Unity Technologies. All rights reserved.
+//
+// Licensed under the ##LICENSENAME##.
+// See LICENSE.md file in the project root for full license information.
+// ***********************************************************************
+
+using System.IO;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+using UnityEditor;
+using FbxSdk;
+
+namespace FbxExporters
+{
+    namespace Editor
+    {
+        public class ConvertToModel : System.IDisposable
+        {
+            const string MenuItemName1 = "Assets/Convert To Model";
+            const string MenuItemName2 = "GameObject/Convert To Model";
+            
+            /// <summary>
+            /// Clean up this class on garbage collection
+            /// </summary>
+            public void Dispose () { }
+
+            /// <summary>
+            /// create menu item in the File menu
+            /// </summary>
+            [MenuItem (MenuItemName1, false)]
+            public static void OnMenuItem ()
+            {
+            	OnConvertInPlace ();
+            }
+
+            /// <summary>
+            // Validate the menu item defined by the function above.
+            /// </summary>
+            [MenuItem (MenuItemName1, true)]
+            public static bool OnValidateMenuItem ()
+            {
+            	return true;
+            }
+
+            // Add a menu item called "Export Model..." to a GameObject's context menu.
+            [MenuItem (MenuItemName2, false, 30)]
+            static void OnContextItem (MenuCommand command)
+            {
+            	OnConvertInPlace ();
+            }
+
+            private static List<GameObject> OnConvertInPlace ()
+            {
+                List<GameObject> result = new List<GameObject> ();
+
+                GameObject[] unityActiveGOs = Selection.GetFiltered<GameObject>(SelectionMode.Editable | SelectionMode.TopLevel);
+
+                // find common ancestor root & filePath;
+                string filePath = "";
+                string dirPath = Path.Combine (Application.dataPath, "Objects");
+
+                GameObject unityCommonAncestor = null;
+                int siblingIndex = -1;
+
+                foreach (GameObject goObj in unityActiveGOs)
+                {
+                    siblingIndex = goObj.transform.GetSiblingIndex ();
+                    unityCommonAncestor = goObj.transform.parent.gameObject;
+                    filePath = Path.Combine (dirPath, goObj.name + ".fbx");
+
+                    break;
+                }
+
+                string fbxFileName = FbxExporters.Editor.ModelExporter.ExportObjects (filePath, unityActiveGOs) as string;
+
+                if (fbxFileName!=null)
+                {
+                    // make filepath relative to project folder
+                    if (fbxFileName.StartsWith(Application.dataPath, System.StringComparison.CurrentCulture)) {
+                        fbxFileName = "Assets" + fbxFileName.Substring(Application.dataPath.Length);
+                    }
+
+                    // refresh the assetdata base so that we can query for the model
+                    AssetDatabase.Refresh ();
+
+                    // replace w Model asset
+                    Object unityMainAsset = AssetDatabase.LoadMainAssetAtPath (fbxFileName);
+
+                    if (unityMainAsset != null) {
+                        Transform unityParentTransform = 
+                            (unityCommonAncestor==null) ? null : unityCommonAncestor.transform;
+
+                        Object unityObj = PrefabUtility.InstantiateAttachedAsset(unityMainAsset);
+
+                        if (unityObj!=null)
+                        {
+                            GameObject unityGO = unityObj as GameObject;
+
+                            // configure name
+                            const string cloneSuffix = "(Clone)";
+
+                            if (unityGO.name.EndsWith(cloneSuffix,System.StringComparison.CurrentCulture))
+                            {
+                                unityGO.name = unityGO.name.Remove(cloneSuffix.Length-1);  
+                            }
+
+                            // configure transform
+                            unityGO.transform.parent = unityParentTransform;
+                            unityGO.transform.SetSiblingIndex (siblingIndex);
+
+                            result.Add (unityObj as GameObject);
+
+                            // remove (now redundant) gameobjects
+                            for (int i = 0; i < unityActiveGOs.Length; i++) {
+                                unityActiveGOs [i].name = "_safe_to_delete_" + unityActiveGOs [i].name;
+                                // Object.DestroyImmediate(unityActiveGOs[i]);
+                            }
+                        }
+                    }
+
+                }
+                return result;
+            }
+        }
+    }
+}