Add random intro!

osu.Game/Configuration/IntroSequence.cs

@@ -6,6 +6,7 @@ namespace osu.Game.Configuration
     public enum IntroSequence
     {
         Circles,
-        Triangles
+        Triangles,
+        Random
     }
 }

osu.Game/Screens/Loader.cs

@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using osu.Framework.Allocation;
@@ -12,6 +13,7 @@ using osu.Framework.Screens;
 using osu.Game.Configuration;
 using IntroSequence = osu.Game.Configuration.IntroSequence;
 
+
 namespace osu.Game.Screens
 {
     public class Loader : StartupScreen
@@ -58,9 +60,16 @@ namespace osu.Game.Screens
         }
 
         private IntroScreen getIntroSequence()
-        {
+        {//вот именно что не показывает ни всплывающих подсказок нихера
+            Random random = new Random();
             switch (introSequence)
             {
+                case IntroSequence.Random:
+                    if (random.Next(2) == 0)
+                        return new IntroCircles();
+                    else
+                        return new IntroTriangles();
+
                 case IntroSequence.Circles:
                     return new IntroCircles();