From 8f37d2290a4321bc569bc73f30cdbdb7755f1ed7 Mon Sep 17 00:00:00 2001
From: smoogipoo <smoogipoo@smgi.me>
Date: Fri, 9 Oct 2020 21:43:46 +0900
Subject: [PATCH] Expose sorting of hitobjects

---
 osu.Game/Rulesets/Difficulty/DifficultyCalculator.cs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/osu.Game/Rulesets/Difficulty/DifficultyCalculator.cs b/osu.Game/Rulesets/Difficulty/DifficultyCalculator.cs
index 1902de5bda..e80a4e4b1c 100644
--- a/osu.Game/Rulesets/Difficulty/DifficultyCalculator.cs
+++ b/osu.Game/Rulesets/Difficulty/DifficultyCalculator.cs
@@ -69,7 +69,7 @@ namespace osu.Game.Rulesets.Difficulty
             if (!beatmap.HitObjects.Any())
                 return CreateDifficultyAttributes(beatmap, mods, skills, clockRate);
 
-            var difficultyHitObjects = CreateDifficultyHitObjects(beatmap, clockRate).OrderBy(h => h.BaseObject.StartTime).ToList();
+            var difficultyHitObjects = SortObjects(CreateDifficultyHitObjects(beatmap, clockRate)).ToList();
 
             double sectionLength = SectionLength * clockRate;
 
@@ -100,6 +100,14 @@ namespace osu.Game.Rulesets.Difficulty
             return CreateDifficultyAttributes(beatmap, mods, skills, clockRate);
         }
 
+        /// <summary>
+        /// Sorts a given set of <see cref="DifficultyHitObject"/>s.
+        /// </summary>
+        /// <param name="input">The <see cref="DifficultyHitObject"/>s to sort.</param>
+        /// <returns>The sorted <see cref="DifficultyHitObject"/>s.</returns>
+        protected virtual IEnumerable<DifficultyHitObject> SortObjects(IEnumerable<DifficultyHitObject> input)
+            => input.OrderBy(h => h.BaseObject.StartTime);
+
         /// <summary>
         /// Creates all <see cref="Mod"/> combinations which adjust the <see cref="Beatmap"/> difficulty.
         /// </summary>