add VRM scripts

Scripts/Format/Editor/vrmAssetPostprocessor.cs

@@ -0,0 +1,49 @@
+using System;
+using System.IO;
+using UnityEditor;
+using UnityEngine;
+
+
+namespace VRM
+{
+    public class vrmAssetPostprocessor : AssetPostprocessor
+    {
+        static void OnPostprocessAllAssets(string[] importedAssets, string[] deletedAssets, string[] movedAssets, string[] movedFromAssetPaths)
+        {
+            foreach (string path in importedAssets)
+            {
+                var ext = Path.GetExtension(path).ToLower();
+                if (ext == ".vrm")
+                {
+                    VRMImporterContext context = null;
+                    try
+                    {
+                        context=VRMImporter.LoadFromPath(path);
+
+                        /*
+                        var prefabPath = String.Format("{0}/{1}.prefab",
+                            Path.GetDirectoryName(path),
+                            Path.GetFileNameWithoutExtension(path));
+
+                        VRMAssetWriter.SaveAsPrefab(context.Root, prefabPath);
+
+                        var prefab = AssetDatabase.LoadAssetAtPath<GameObject>(prefabPath.ToUnityRelativePath());
+                        Selection.activeObject = prefab;
+                        */
+
+                        context.SaveAsAsset();
+                        context.Destroy(false);
+                    }
+                    catch(Exception ex)
+                    {
+                        Debug.LogError(ex);
+                        if (context != null)
+                        {
+                            context.Destroy(true);
+                        }
+                    }
+                }
+            }
+        }
+    }
+}