From 15f6bc155eb49f1fca344e6901d5ec12b8480201 Mon Sep 17 00:00:00 2001
From: Dan Balasescu <smoogipoo@smgi.me>
Date: Mon, 10 Apr 2023 13:35:48 +0900
Subject: [PATCH] Add progressive score multiplier for HT

---
 osu.Game.Rulesets.Catch/Mods/CatchModHalfTime.cs |  1 -
 osu.Game.Rulesets.Mania/Mods/ManiaModHalfTime.cs |  1 -
 osu.Game.Rulesets.Osu/Mods/OsuModHalfTime.cs     |  1 -
 osu.Game.Rulesets.Taiko/Mods/TaikoModHalfTime.cs |  1 -
 osu.Game/Rulesets/Mods/ModHalfTime.cs            | 14 ++++++++++++++
 5 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/osu.Game.Rulesets.Catch/Mods/CatchModHalfTime.cs b/osu.Game.Rulesets.Catch/Mods/CatchModHalfTime.cs
index ce06b841aa..3afb8c3d89 100644
--- a/osu.Game.Rulesets.Catch/Mods/CatchModHalfTime.cs
+++ b/osu.Game.Rulesets.Catch/Mods/CatchModHalfTime.cs
@@ -7,6 +7,5 @@ namespace osu.Game.Rulesets.Catch.Mods
 {
     public class CatchModHalfTime : ModHalfTime
     {
-        public override double ScoreMultiplier => 0.3;
     }
 }
diff --git a/osu.Game.Rulesets.Mania/Mods/ManiaModHalfTime.cs b/osu.Game.Rulesets.Mania/Mods/ManiaModHalfTime.cs
index 014954dd60..8d48e3acde 100644
--- a/osu.Game.Rulesets.Mania/Mods/ManiaModHalfTime.cs
+++ b/osu.Game.Rulesets.Mania/Mods/ManiaModHalfTime.cs
@@ -7,6 +7,5 @@ namespace osu.Game.Rulesets.Mania.Mods
 {
     public class ManiaModHalfTime : ModHalfTime
     {
-        public override double ScoreMultiplier => 0.5;
     }
 }
diff --git a/osu.Game.Rulesets.Osu/Mods/OsuModHalfTime.cs b/osu.Game.Rulesets.Osu/Mods/OsuModHalfTime.cs
index 4769e7660b..bf65a6c9d3 100644
--- a/osu.Game.Rulesets.Osu/Mods/OsuModHalfTime.cs
+++ b/osu.Game.Rulesets.Osu/Mods/OsuModHalfTime.cs
@@ -7,6 +7,5 @@ namespace osu.Game.Rulesets.Osu.Mods
 {
     public class OsuModHalfTime : ModHalfTime
     {
-        public override double ScoreMultiplier => 0.3;
     }
 }
diff --git a/osu.Game.Rulesets.Taiko/Mods/TaikoModHalfTime.cs b/osu.Game.Rulesets.Taiko/Mods/TaikoModHalfTime.cs
index 68d6305fbf..9ef6fe8649 100644
--- a/osu.Game.Rulesets.Taiko/Mods/TaikoModHalfTime.cs
+++ b/osu.Game.Rulesets.Taiko/Mods/TaikoModHalfTime.cs
@@ -7,6 +7,5 @@ namespace osu.Game.Rulesets.Taiko.Mods
 {
     public class TaikoModHalfTime : ModHalfTime
     {
-        public override double ScoreMultiplier => 0.3;
     }
 }
diff --git a/osu.Game/Rulesets/Mods/ModHalfTime.cs b/osu.Game/Rulesets/Mods/ModHalfTime.cs
index 7d858dca6f..06c7750035 100644
--- a/osu.Game/Rulesets/Mods/ModHalfTime.cs
+++ b/osu.Game/Rulesets/Mods/ModHalfTime.cs
@@ -24,5 +24,19 @@ namespace osu.Game.Rulesets.Mods
             MaxValue = 0.99,
             Precision = 0.01,
         };
+
+        public override double ScoreMultiplier
+        {
+            get
+            {
+                // Round to the nearest multiple of 0.1.
+                double value = (int)(SpeedChange.Value * 10) / 10.0;
+
+                // Offset back to 0.
+                value -= 1;
+
+                return 1 + value;
+            }
+        }
     }
 }