Initial implementation of adjustable positional hitobject audio strength

osu.Game/Configuration/OsuConfigManager.cs

@@ -97,6 +97,7 @@ namespace osu.Game.Configuration
             SetDefault(OsuSetting.MenuParallax, true);
 
             // Gameplay
+            SetDefault(OsuSetting.PositionalHitsoundsLevel, 0.8f, 0.1f, 1f);
             SetDefault(OsuSetting.DimLevel, 0.8, 0, 1, 0.01);
             SetDefault(OsuSetting.BlurLevel, 0, 0, 1, 0.01);
             SetDefault(OsuSetting.LightenDuringBreaks, true);
@@ -251,6 +252,7 @@ namespace osu.Game.Configuration
         BlurLevel,
         LightenDuringBreaks,
         ShowStoryboard,
+        PositionalHitsoundsLevel,
         KeyOverlay,
         PositionalHitSounds,
         AlwaysPlayFirstComboBreak,

osu.Game/Localisation/AudioSettingsStrings.cs

@@ -32,6 +32,11 @@ namespace osu.Game.Localisation
         /// <summary>
         /// "Master"
         /// </summary>
+        public static LocalisableString PositionalLevel => new TranslatableString(getKey(@"positional_hitsound_audio_level"), @"Positional hitsound audio level.");
+
+        /// <summary>
+        /// "Level"
+        /// </summary>
         public static LocalisableString MasterVolume => new TranslatableString(getKey(@"master_volume"), @"Master");
 
         /// <summary>

osu.Game/Overlays/Settings/Sections/Gameplay/AudioSettings.cs

@@ -2,10 +2,13 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Allocation;
+using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Localisation;
 using osu.Game.Configuration;
 using osu.Game.Localisation;
+using osu.Framework.Graphics.Containers;
+
 
 namespace osu.Game.Overlays.Settings.Sections.Gameplay
 {
@@ -13,9 +16,15 @@ namespace osu.Game.Overlays.Settings.Sections.Gameplay
     {
         protected override LocalisableString Header => GameplaySettingsStrings.AudioHeader;
 
+        private Bindable<float> positionalHitsoundsLevel;
+
+        private FillFlowContainer<SettingsSlider<float>> positionalHitsoundsSettings;
+
+
         [BackgroundDependencyLoader]
-        private void load(OsuConfigManager config)
+        private void load(OsuConfigManager config,OsuConfigManager osuConfig)
         {
+            positionalHitsoundsLevel = osuConfig.GetBindable<float>(OsuSetting.PositionalHitsoundsLevel);
             Children = new Drawable[]
             {
                 new SettingsCheckbox
@@ -23,6 +32,23 @@ namespace osu.Game.Overlays.Settings.Sections.Gameplay
                     LabelText = GameplaySettingsStrings.PositionalHitsounds,
                     Current = config.GetBindable<bool>(OsuSetting.PositionalHitSounds)
                 },
+                positionalHitsoundsSettings = new FillFlowContainer<SettingsSlider<float>>
+                {
+                    Direction = FillDirection.Vertical,
+                    RelativeSizeAxes = Axes.X,
+                    AutoSizeAxes = Axes.Y,
+                    Masking = true,
+                    Children = new[]
+                    {
+                        new SettingsSlider<float>
+                        {
+                            LabelText = AudioSettingsStrings.PositionalLevel,
+                            Current = positionalHitsoundsLevel,
+                            KeyboardStep = 0.01f,
+                            DisplayAsPercentage = true,
+                        },
+                    }
+                },
                 new SettingsCheckbox
                 {
                     LabelText = GameplaySettingsStrings.AlwaysPlayFirstComboBreak,

osu.Game/Rulesets/Objects/Drawables/DrawableHitObject.cs

@@ -22,6 +22,7 @@ using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI;
 using osu.Game.Skinning;
 using osuTK.Graphics;
+using osu.Game.Overlays.Settings.Sections.Gameplay;
 
 namespace osu.Game.Rulesets.Objects.Drawables
 {
@@ -124,6 +125,7 @@ namespace osu.Game.Rulesets.Objects.Drawables
         public readonly Bindable<double> StartTimeBindable = new Bindable<double>();
         private readonly BindableList<HitSampleInfo> samplesBindable = new BindableList<HitSampleInfo>();
         private readonly Bindable<bool> userPositionalHitSounds = new Bindable<bool>();
+        private readonly Bindable<float> positionalHitsoundsLevel = new Bindable<float>();
 
         private readonly Bindable<int> comboIndexBindable = new Bindable<int>();
         private readonly Bindable<int> comboIndexWithOffsetsBindable = new Bindable<int>();
@@ -532,7 +534,7 @@ namespace osu.Game.Rulesets.Objects.Drawables
         /// <param name="position">The lookup X position. Generally should be <see cref="SamplePlaybackPosition"/>.</param>
         protected double CalculateSamplePlaybackBalance(double position)
         {
-            const float balance_adjust_amount = 0.4f;
+            float balance_adjust_amount = positionalHitsoundsLevel.Value;
 
             return balance_adjust_amount * (userPositionalHitSounds.Value ? position - 0.5f : 0);
         }