From 362a5a39d0068d3a143fd245ef80a053995c6a8c Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Thu, 15 Apr 2021 13:06:52 +0900
Subject: [PATCH] Scale the playfield to avoid off-screen objects

---
 osu.Game.Rulesets.Osu/Mods/OsuModBarrelRoll.cs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/osu.Game.Rulesets.Osu/Mods/OsuModBarrelRoll.cs b/osu.Game.Rulesets.Osu/Mods/OsuModBarrelRoll.cs
index 1ba6c47f4c..d646f41588 100644
--- a/osu.Game.Rulesets.Osu/Mods/OsuModBarrelRoll.cs
+++ b/osu.Game.Rulesets.Osu/Mods/OsuModBarrelRoll.cs
@@ -4,11 +4,14 @@
 using osu.Framework.Bindables;
 using osu.Game.Configuration;
 using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.UI;
 using osu.Game.Rulesets.UI;
+using osuTK;
 
 namespace osu.Game.Rulesets.Osu.Mods
 {
-    public class OsuModBarrelRoll : Mod, IUpdatableByPlayfield
+    public class OsuModBarrelRoll : Mod, IUpdatableByPlayfield, IApplicableToDrawableRuleset<OsuHitObject>
     {
         [SettingSource("Roll speed", "Speed at which things rotate")]
         public BindableNumber<double> SpinSpeed { get; } = new BindableDouble(1)
@@ -26,5 +29,11 @@ namespace osu.Game.Rulesets.Osu.Mods
         {
             playfield.Rotation = (float)(playfield.Time.Current / 1000 * SpinSpeed.Value);
         }
+
+        public void ApplyToDrawableRuleset(DrawableRuleset<OsuHitObject> drawableRuleset)
+        {
+            // scale the playfield to allow all hitobjects to stay within the visible region.
+            drawableRuleset.Playfield.Scale = new Vector2(OsuPlayfield.BASE_SIZE.Y / OsuPlayfield.BASE_SIZE.X);
+        }
     }
 }