From a953f9e422810198b1d431b52f4b365c912c4e84 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Wed, 27 May 2020 20:30:33 +0900
Subject: [PATCH] Add drum roll composition support

---
 .../TaikoHitObjectComposer.cs                 | 25 +++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/osu.Game.Rulesets.Taiko/TaikoHitObjectComposer.cs b/osu.Game.Rulesets.Taiko/TaikoHitObjectComposer.cs
index 802bb80fa3..d233cd5e7f 100644
--- a/osu.Game.Rulesets.Taiko/TaikoHitObjectComposer.cs
+++ b/osu.Game.Rulesets.Taiko/TaikoHitObjectComposer.cs
@@ -34,9 +34,10 @@ namespace osu.Game.Rulesets.Taiko
         {
         }
 
-        protected override IReadOnlyList<HitObjectCompositionTool> CompositionTools => new[]
+        protected override IReadOnlyList<HitObjectCompositionTool> CompositionTools => new HitObjectCompositionTool[]
         {
-            new HitCompositionTool()
+            new HitCompositionTool(),
+            new DrumRollCompositionTool()
         };
 
         protected override ComposeBlueprintContainer CreateBlueprintContainer() => new TaikoBlueprintContainer(drawableRuleset.Playfield.AllHitObjects);
@@ -156,6 +157,26 @@ namespace osu.Game.Rulesets.Taiko
         }
     }
 
+    public class DrumRollCompositionTool : HitObjectCompositionTool
+    {
+        public DrumRollCompositionTool()
+            : base(nameof(DrumRoll))
+        {
+        }
+
+        public override PlacementBlueprint CreatePlacementBlueprint() => new DrumRollPlacementBlueprint();
+    }
+
+    public class DrumRollPlacementBlueprint : PlacementBlueprint
+    {
+        private static DrumRoll drumRoll;
+
+        public DrumRollPlacementBlueprint()
+            : base(drumRoll = new DrumRoll())
+        {
+        }
+    }
+
     public class HitCompositionTool : HitObjectCompositionTool
     {
         public HitCompositionTool()