From 1f48cfb79af0a821832b5c92750e13470a71d4ec Mon Sep 17 00:00:00 2001
From: tgi74000 <tgi74@hotmail.fr>
Date: Thu, 8 Mar 2018 17:35:20 +0100
Subject: [PATCH 1/4] Added Mirror Mod for Mania

---
 osu.Game.Rulesets.Mania/ManiaRuleset.cs       |  1 +
 .../Mods/ManiaMirrorMod.cs                    | 28 +++++++++++++++++++
 .../osu.Game.Rulesets.Mania.csproj            |  1 +
 3 files changed, 30 insertions(+)
 create mode 100644 osu.Game.Rulesets.Mania/Mods/ManiaMirrorMod.cs

diff --git a/osu.Game.Rulesets.Mania/ManiaRuleset.cs b/osu.Game.Rulesets.Mania/ManiaRuleset.cs
index 16b6888f2b..7c257bf719 100644
--- a/osu.Game.Rulesets.Mania/ManiaRuleset.cs
+++ b/osu.Game.Rulesets.Mania/ManiaRuleset.cs
@@ -91,6 +91,7 @@ namespace osu.Game.Rulesets.Mania
                         },
                         new ManiaModRandom(),
                         new ManiaModDualStages(),
+                        new ManiaMirrorMod(),
                         new MultiMod
                         {
                             Mods = new Mod[]
diff --git a/osu.Game.Rulesets.Mania/Mods/ManiaMirrorMod.cs b/osu.Game.Rulesets.Mania/Mods/ManiaMirrorMod.cs
new file mode 100644
index 0000000000..cbcbd9f329
--- /dev/null
+++ b/osu.Game.Rulesets.Mania/Mods/ManiaMirrorMod.cs
@@ -0,0 +1,28 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Extensions.IEnumerableExtensions;
+using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.Mania.UI;
+using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.UI;
+using System.Linq;
+
+namespace osu.Game.Rulesets.Mania.Mods
+{
+    public class ManiaMirrorMod : Mod, IApplicableToRulesetContainer<ManiaHitObject>
+    {
+        public override string Name => "Mirror";
+        public override string ShortenedName => "MR";
+        public override ModType Type => ModType.Special;
+        public override double ScoreMultiplier => 1;
+        public override bool Ranked => true;
+
+        public void ApplyToRulesetContainer(RulesetContainer<ManiaHitObject> rulesetContainer)
+        {
+            var availableColumns = ((ManiaRulesetContainer)rulesetContainer).Beatmap.TotalColumns;
+
+            rulesetContainer.Objects.OfType<ManiaHitObject>().ForEach(h => h.Column = -(h.Column) + (availableColumns)-1);
+        }
+    }
+}
diff --git a/osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj b/osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj
index a09b3e93a7..3c80e21ff2 100644
--- a/osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj
+++ b/osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj
@@ -81,6 +81,7 @@
     <Compile Include="Judgements\ManiaJudgement.cs" />
     <Compile Include="ManiaDifficultyCalculator.cs" />
     <Compile Include="Mods\IPlayfieldTypeMod.cs" />
+    <Compile Include="Mods\ManiaMirrorMod.cs" />
     <Compile Include="Mods\ManiaKeyMod.cs" />
     <Compile Include="Mods\ManiaModAutoplay.cs" />
     <Compile Include="Mods\ManiaModDaycore.cs" />

From ed20e31bbe1e95ee642d6357fb08e278ede68bad Mon Sep 17 00:00:00 2001
From: tgi74000 <tgi74@hotmail.fr>
Date: Sat, 10 Mar 2018 08:39:11 +0100
Subject: [PATCH 2/4] Removed redundant parentheses

---
 osu.Game.Rulesets.Mania/Mods/ManiaMirrorMod.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/osu.Game.Rulesets.Mania/Mods/ManiaMirrorMod.cs b/osu.Game.Rulesets.Mania/Mods/ManiaMirrorMod.cs
index cbcbd9f329..e7f0e27733 100644
--- a/osu.Game.Rulesets.Mania/Mods/ManiaMirrorMod.cs
+++ b/osu.Game.Rulesets.Mania/Mods/ManiaMirrorMod.cs
@@ -22,7 +22,7 @@ namespace osu.Game.Rulesets.Mania.Mods
         {
             var availableColumns = ((ManiaRulesetContainer)rulesetContainer).Beatmap.TotalColumns;
 
-            rulesetContainer.Objects.OfType<ManiaHitObject>().ForEach(h => h.Column = -(h.Column) + (availableColumns)-1);
+            rulesetContainer.Objects.OfType<ManiaHitObject>().ForEach(h => h.Column = -h.Column + availableColumns - 1);
         }
     }
 }

From a4dfeff2d775e018407c45eded431b33a9ec1a62 Mon Sep 17 00:00:00 2001
From: tgi74000 <tgi74@hotmail.fr>
Date: Sat, 10 Mar 2018 08:44:46 +0100
Subject: [PATCH 3/4] Renamed ManiaMirrorMod to ManiaModMirror

---
 osu.Game.Rulesets.Mania/ManiaRuleset.cs                         | 2 +-
 .../Mods/{ManiaMirrorMod.cs => ManiaModMirror.cs}               | 2 +-
 osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj          | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
 rename osu.Game.Rulesets.Mania/Mods/{ManiaMirrorMod.cs => ManiaModMirror.cs} (91%)

diff --git a/osu.Game.Rulesets.Mania/ManiaRuleset.cs b/osu.Game.Rulesets.Mania/ManiaRuleset.cs
index 7c257bf719..268bc23640 100644
--- a/osu.Game.Rulesets.Mania/ManiaRuleset.cs
+++ b/osu.Game.Rulesets.Mania/ManiaRuleset.cs
@@ -91,7 +91,7 @@ namespace osu.Game.Rulesets.Mania
                         },
                         new ManiaModRandom(),
                         new ManiaModDualStages(),
-                        new ManiaMirrorMod(),
+                        new ManiaModMirror(),
                         new MultiMod
                         {
                             Mods = new Mod[]
diff --git a/osu.Game.Rulesets.Mania/Mods/ManiaMirrorMod.cs b/osu.Game.Rulesets.Mania/Mods/ManiaModMirror.cs
similarity index 91%
rename from osu.Game.Rulesets.Mania/Mods/ManiaMirrorMod.cs
rename to osu.Game.Rulesets.Mania/Mods/ManiaModMirror.cs
index e7f0e27733..be3a0e02db 100644
--- a/osu.Game.Rulesets.Mania/Mods/ManiaMirrorMod.cs
+++ b/osu.Game.Rulesets.Mania/Mods/ManiaModMirror.cs
@@ -10,7 +10,7 @@ using System.Linq;
 
 namespace osu.Game.Rulesets.Mania.Mods
 {
-    public class ManiaMirrorMod : Mod, IApplicableToRulesetContainer<ManiaHitObject>
+    public class ManiaModMirror : Mod, IApplicableToRulesetContainer<ManiaHitObject>
     {
         public override string Name => "Mirror";
         public override string ShortenedName => "MR";
diff --git a/osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj b/osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj
index 3c80e21ff2..52d8f66717 100644
--- a/osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj
+++ b/osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj
@@ -81,7 +81,7 @@
     <Compile Include="Judgements\ManiaJudgement.cs" />
     <Compile Include="ManiaDifficultyCalculator.cs" />
     <Compile Include="Mods\IPlayfieldTypeMod.cs" />
-    <Compile Include="Mods\ManiaMirrorMod.cs" />
+    <Compile Include="Mods\ManiaModMirror.cs" />
     <Compile Include="Mods\ManiaKeyMod.cs" />
     <Compile Include="Mods\ManiaModAutoplay.cs" />
     <Compile Include="Mods\ManiaModDaycore.cs" />

From 46caab6310d74a0b3d7ba36a3edea53aca6b17b0 Mon Sep 17 00:00:00 2001
From: smoogipoo <smoogipoo@smgi.me>
Date: Mon, 12 Mar 2018 11:56:49 +0900
Subject: [PATCH 4/4] Reorder arithmetic operation

---
 osu.Game.Rulesets.Mania/Mods/ManiaModMirror.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/osu.Game.Rulesets.Mania/Mods/ManiaModMirror.cs b/osu.Game.Rulesets.Mania/Mods/ManiaModMirror.cs
index be3a0e02db..cfa5ef88b8 100644
--- a/osu.Game.Rulesets.Mania/Mods/ManiaModMirror.cs
+++ b/osu.Game.Rulesets.Mania/Mods/ManiaModMirror.cs
@@ -22,7 +22,7 @@ namespace osu.Game.Rulesets.Mania.Mods
         {
             var availableColumns = ((ManiaRulesetContainer)rulesetContainer).Beatmap.TotalColumns;
 
-            rulesetContainer.Objects.OfType<ManiaHitObject>().ForEach(h => h.Column = -h.Column + availableColumns - 1);
+            rulesetContainer.Objects.OfType<ManiaHitObject>().ForEach(h => h.Column = availableColumns - 1 - h.Column);
         }
     }
 }