From e3a5be71cce01b6e42311a89772cc6fedbbb9c8f Mon Sep 17 00:00:00 2001
From: smoogipoo <smoogipoo@smgi.me>
Date: Mon, 23 Mar 2020 12:09:30 +0900
Subject: [PATCH] Implement random mod for taiko

---
 .../Mods/ManiaModRandom.cs                    |  9 +------
 .../Mods/TaikoModRandom.cs                    | 27 +++++++++++++++++++
 osu.Game.Rulesets.Taiko/TaikoRuleset.cs       |  1 +
 osu.Game/Rulesets/Mods/ModRandom.cs           | 17 ++++++++++++
 4 files changed, 46 insertions(+), 8 deletions(-)
 create mode 100644 osu.Game.Rulesets.Taiko/Mods/TaikoModRandom.cs
 create mode 100644 osu.Game/Rulesets/Mods/ModRandom.cs

diff --git a/osu.Game.Rulesets.Mania/Mods/ManiaModRandom.cs b/osu.Game.Rulesets.Mania/Mods/ManiaModRandom.cs
index 14b36fb765..699c58c373 100644
--- a/osu.Game.Rulesets.Mania/Mods/ManiaModRandom.cs
+++ b/osu.Game.Rulesets.Mania/Mods/ManiaModRandom.cs
@@ -3,24 +3,17 @@
 
 using System.Linq;
 using osu.Framework.Extensions.IEnumerableExtensions;
-using osu.Framework.Graphics.Sprites;
 using osu.Framework.Utils;
 using osu.Game.Beatmaps;
-using osu.Game.Graphics;
 using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mods;
 
 namespace osu.Game.Rulesets.Mania.Mods
 {
-    public class ManiaModRandom : Mod, IApplicableToBeatmap
+    public class ManiaModRandom : ModRandom, IApplicableToBeatmap
     {
-        public override string Name => "Random";
-        public override string Acronym => "RD";
-        public override ModType Type => ModType.Conversion;
-        public override IconUsage? Icon => OsuIcon.Dice;
         public override string Description => @"Shuffle around the keys!";
-        public override double ScoreMultiplier => 1;
 
         public void ApplyToBeatmap(IBeatmap beatmap)
         {
diff --git a/osu.Game.Rulesets.Taiko/Mods/TaikoModRandom.cs b/osu.Game.Rulesets.Taiko/Mods/TaikoModRandom.cs
new file mode 100644
index 0000000000..1cf19ac18e
--- /dev/null
+++ b/osu.Game.Rulesets.Taiko/Mods/TaikoModRandom.cs
@@ -0,0 +1,27 @@
+// 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 osu.Framework.Utils;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Taiko.Beatmaps;
+using osu.Game.Rulesets.Taiko.Objects;
+
+namespace osu.Game.Rulesets.Taiko.Mods
+{
+    public class TaikoModRandom : ModRandom, IApplicableToBeatmap
+    {
+        public override string Description => @"Shuffle around the colours!";
+
+        public void ApplyToBeatmap(IBeatmap beatmap)
+        {
+            var taikoBeatmap = (TaikoBeatmap)beatmap;
+
+            foreach (var obj in taikoBeatmap.HitObjects)
+            {
+                if (obj is Hit hit)
+                    hit.Type = RNG.Next(2) == 0 ? HitType.Centre : HitType.Rim;
+            }
+        }
+    }
+}
diff --git a/osu.Game.Rulesets.Taiko/TaikoRuleset.cs b/osu.Game.Rulesets.Taiko/TaikoRuleset.cs
index fc79e59864..4a841bf8c3 100644
--- a/osu.Game.Rulesets.Taiko/TaikoRuleset.cs
+++ b/osu.Game.Rulesets.Taiko/TaikoRuleset.cs
@@ -114,6 +114,7 @@ namespace osu.Game.Rulesets.Taiko
                 case ModType.Conversion:
                     return new Mod[]
                     {
+                        new TaikoModRandom(),
                         new TaikoModDifficultyAdjust(),
                     };
 
diff --git a/osu.Game/Rulesets/Mods/ModRandom.cs b/osu.Game/Rulesets/Mods/ModRandom.cs
new file mode 100644
index 0000000000..da55ab3fbf
--- /dev/null
+++ b/osu.Game/Rulesets/Mods/ModRandom.cs
@@ -0,0 +1,17 @@
+// 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 osu.Framework.Graphics.Sprites;
+using osu.Game.Graphics;
+
+namespace osu.Game.Rulesets.Mods
+{
+    public abstract class ModRandom : Mod
+    {
+        public override string Name => "Random";
+        public override string Acronym => "RD";
+        public override ModType Type => ModType.Conversion;
+        public override IconUsage? Icon => OsuIcon.Dice;
+        public override double ScoreMultiplier => 1;
+    }
+}