From 31c52bd585a55f925676313671c23c437aff28e2 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Thu, 25 Feb 2021 17:00:42 +0900
Subject: [PATCH] Update the displayed BPM at song select with rate adjust mods

This only covers constant rate rate adjust mods. Mods like wind up/wind
down will need a more complex implementation which we haven't really
planned yet.
---
 osu.Game/Screens/Select/BeatmapInfoWedge.cs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/osu.Game/Screens/Select/BeatmapInfoWedge.cs b/osu.Game/Screens/Select/BeatmapInfoWedge.cs
index 86cb561bc7..13ec106694 100644
--- a/osu.Game/Screens/Select/BeatmapInfoWedge.cs
+++ b/osu.Game/Screens/Select/BeatmapInfoWedge.cs
@@ -383,10 +383,18 @@ private InfoLabel[] getInfoLabels()
                 return labels.ToArray();
             }
 
+            [Resolved]
+            private IBindable<IReadOnlyList<Mod>> mods { get; set; }
+
             private string getBPMRange(IBeatmap beatmap)
             {
-                double bpmMax = beatmap.ControlPointInfo.BPMMaximum;
-                double bpmMin = beatmap.ControlPointInfo.BPMMinimum;
+                // this doesn't consider mods which apply variable rates, yet.
+                double rate = 1;
+                foreach (var mod in mods.Value.OfType<IApplicableToRate>())
+                    rate = mod.ApplyToRate(0, rate);
+
+                double bpmMax = beatmap.ControlPointInfo.BPMMaximum * rate;
+                double bpmMin = beatmap.ControlPointInfo.BPMMinimum * rate;
 
                 if (Precision.AlmostEquals(bpmMin, bpmMax))
                     return $"{bpmMin:0}";