Added multiplayer plugin

Assets/Mirror/Editor/ScriptableObjectUtility.cs

@@ -0,0 +1,54 @@
+using UnityEditor;
+using UnityEngine;
+
+namespace Mirror.EditorScripts
+{
+    public static class ScriptableObjectUtility
+    {
+        /// <summary>
+        //	This makes it easy to create, name and place unique new ScriptableObject asset files.
+        /// </summary>
+        public static T CreateAsset<T>(string defaultName) where T : ScriptableObject
+        {
+            string path = SavePanel(defaultName);
+            // user click cancel
+            if (string.IsNullOrEmpty(path)) { return null; }
+
+            T asset = ScriptableObject.CreateInstance<T>();
+
+            SaveAsset(path, asset);
+
+            return asset;
+        }
+
+        static string SavePanel(string name)
+        {
+            string path = EditorUtility.SaveFilePanel(
+                           "Save ScriptableObject",
+                           "Assets/Mirror/",
+                           name + ".asset",
+                           "asset");
+
+            // user click cancel, return early
+            if (string.IsNullOrEmpty(path)) { return path; }
+
+            // Unity only wants path from Assets
+            if (path.StartsWith(Application.dataPath))
+            {
+                path = "Assets" + path.Substring(Application.dataPath.Length);
+            }
+
+            return path;
+        }
+
+        static void SaveAsset(string path, ScriptableObject asset)
+        {
+            string assetPathAndName = AssetDatabase.GenerateUniqueAssetPath(path);
+
+            AssetDatabase.CreateAsset(asset, assetPathAndName);
+
+            AssetDatabase.SaveAssets();
+            AssetDatabase.Refresh();
+        }
+    }
+}