Move base classes to osu.Game.Rulesets.Difficulty namespace

osu.Game.Rulesets.Catch/CatchDifficultyCalculator.cs

@@ -3,6 +3,7 @@
 
 using osu.Game.Beatmaps;
 using System.Collections.Generic;
+using osu.Game.Rulesets.Difficulty;
 
 namespace osu.Game.Rulesets.Catch
 {

osu.Game.Rulesets.Catch/CatchRuleset.cs

@@ -14,6 +14,7 @@ using osu.Game.Rulesets.Catch.Replays;
 using osu.Game.Rulesets.Replays.Types;
 using osu.Game.Beatmaps.Legacy;
 using osu.Game.Rulesets.Catch.Beatmaps;
+using osu.Game.Rulesets.Difficulty;
 
 namespace osu.Game.Rulesets.Catch
 {

osu.Game.Rulesets.Mania/ManiaDifficultyCalculator.cs

@@ -7,6 +7,7 @@ using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mods;
 using System;
 using System.Collections.Generic;
+using osu.Game.Rulesets.Difficulty;
 
 namespace osu.Game.Rulesets.Mania
 {

osu.Game.Rulesets.Mania/ManiaRuleset.cs

@@ -15,6 +15,7 @@ using osu.Game.Graphics;
 using osu.Game.Rulesets.Mania.Replays;
 using osu.Game.Rulesets.Replays.Types;
 using osu.Game.Beatmaps.Legacy;
+using osu.Game.Rulesets.Difficulty;
 using osu.Game.Rulesets.Mania.Beatmaps;
 
 namespace osu.Game.Rulesets.Mania

osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyCalculator.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Collections.Generic;
 using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Difficulty;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Osu.Difficulty.Preprocessing;
 using osu.Game.Rulesets.Osu.Difficulty.Skills;

osu.Game.Rulesets.Osu/OsuRuleset.cs

@@ -18,6 +18,7 @@ using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Osu.Replays;
 using osu.Game.Rulesets.Replays.Types;
 using osu.Game.Beatmaps.Legacy;
+using osu.Game.Rulesets.Difficulty;
 using osu.Game.Rulesets.Osu.Beatmaps;
 using osu.Game.Rulesets.Osu.Difficulty;
 

osu.Game.Rulesets.Osu/Scoring/OsuPerformanceCalculator.cs

@@ -5,6 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Difficulty;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Osu.Mods;
 using osu.Game.Rulesets.Osu.Objects;

osu.Game.Rulesets.Taiko/TaikoDifficultyCalculator.cs

@@ -5,6 +5,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Taiko.Objects;
 using System.Collections.Generic;
 using System;
+using osu.Game.Rulesets.Difficulty;
 
 namespace osu.Game.Rulesets.Taiko
 {

osu.Game.Rulesets.Taiko/TaikoRuleset.cs

@@ -13,6 +13,7 @@ using osu.Framework.Input.Bindings;
 using osu.Game.Rulesets.Replays.Types;
 using osu.Game.Rulesets.Taiko.Replays;
 using osu.Game.Beatmaps.Legacy;
+using osu.Game.Rulesets.Difficulty;
 using osu.Game.Rulesets.Taiko.Beatmaps;
 
 namespace osu.Game.Rulesets.Taiko

osu.Game/Beatmaps/DummyWorkingBeatmap.cs

@@ -6,6 +6,7 @@ using System.Collections.Generic;
 using osu.Framework.Audio.Track;
 using osu.Framework.Graphics.Textures;
 using osu.Game.Rulesets;
+using osu.Game.Rulesets.Difficulty;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.UI;

osu.Game/Rulesets/Difficulty/DifficultyCalculator.cs

@@ -2,12 +2,13 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System.Collections.Generic;
-using osu.Game.Rulesets.Mods;
-using osu.Framework.Timing;
 using System.Linq;
 using osu.Framework.Extensions.IEnumerableExtensions;
+using osu.Framework.Timing;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Mods;
 
-namespace osu.Game.Beatmaps
+namespace osu.Game.Rulesets.Difficulty
 {
     public abstract class DifficultyCalculator
     {

osu.Game/Rulesets/Difficulty/PerformanceCalculator.cs

@@ -7,8 +7,9 @@ using osu.Framework.Extensions.IEnumerableExtensions;
 using osu.Framework.Timing;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Scoring;
 
-namespace osu.Game.Rulesets.Scoring
+namespace osu.Game.Rulesets.Difficulty
 {
     public abstract class PerformanceCalculator
     {

osu.Game/Rulesets/Ruleset.cs

@@ -15,6 +15,7 @@ using osu.Game.Rulesets.Replays.Types;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI;
 using osu.Game.Beatmaps.Legacy;
+using osu.Game.Rulesets.Difficulty;
 
 namespace osu.Game.Rulesets
 {