osu/osu.Game/Screens/Select/ModSpeedHotkeyHandler.cs

116 lines
4.2 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Utils;
using osu.Game.Configuration;
using osu.Game.Overlays;
using osu.Game.Overlays.OSD;
using osu.Game.Rulesets.Mods;
using osu.Game.Utils;
namespace osu.Game.Screens.Select
{
public partial class ModSpeedHotkeyHandler : Component
{
[Resolved]
private Bindable<IReadOnlyList<Mod>> selectedMods { get; set; } = null!;
[Resolved]
private OsuConfigManager config { get; set; } = null!;
[Resolved]
private OnScreenDisplay? onScreenDisplay { get; set; }
private ModRateAdjust? lastActiveRateAdjustMod;
private ModSettingChangeTracker? settingChangeTracker;
protected override void LoadComplete()
{
base.LoadComplete();
selectedMods.BindValueChanged(val =>
{
storeLastActiveRateAdjustMod();
settingChangeTracker?.Dispose();
settingChangeTracker = new ModSettingChangeTracker(val.NewValue);
settingChangeTracker.SettingChanged += _ => storeLastActiveRateAdjustMod();
}, true);
}
private void storeLastActiveRateAdjustMod()
{
lastActiveRateAdjustMod = (ModRateAdjust?)selectedMods.Value.OfType<ModRateAdjust>().SingleOrDefault()?.DeepClone() ?? lastActiveRateAdjustMod;
}
public bool ChangeSpeed(double delta, IEnumerable<Mod> availableMods)
{
double targetSpeed = (selectedMods.Value.OfType<ModRateAdjust>().SingleOrDefault()?.SpeedChange.Value ?? 1) + delta;
if (Precision.AlmostEquals(targetSpeed, 1, 0.005))
{
selectedMods.Value = selectedMods.Value.Where(m => m is not ModRateAdjust).ToList();
onScreenDisplay?.Display(new SpeedChangeToast(config, targetSpeed));
return true;
}
ModRateAdjust? targetMod;
if (lastActiveRateAdjustMod is ModDaycore || lastActiveRateAdjustMod is ModNightcore)
{
targetMod = targetSpeed < 1
? availableMods.OfType<ModDaycore>().SingleOrDefault()
: availableMods.OfType<ModNightcore>().SingleOrDefault();
}
else
{
targetMod = targetSpeed < 1
? availableMods.OfType<ModHalfTime>().SingleOrDefault()
: availableMods.OfType<ModDoubleTime>().SingleOrDefault();
}
if (targetMod == null)
return false;
// preserve other settings from latest rate adjust mod instance seen
if (lastActiveRateAdjustMod != null)
{
foreach (var (_, sourceProperty) in lastActiveRateAdjustMod.GetSettingsSourceProperties())
{
if (sourceProperty.Name == nameof(ModRateAdjust.SpeedChange))
continue;
var targetProperty = targetMod.GetType().GetProperty(sourceProperty.Name);
if (targetProperty == null)
continue;
var targetBindable = (IBindable)targetProperty.GetValue(targetMod)!;
var sourceBindable = (IBindable)sourceProperty.GetValue(lastActiveRateAdjustMod)!;
if (targetBindable.GetType() != sourceBindable.GetType())
continue;
lastActiveRateAdjustMod.CopyAdjustedSetting(targetBindable, sourceBindable);
}
}
targetMod.SpeedChange.Value = targetSpeed;
var intendedMods = selectedMods.Value.Where(m => m is not ModRateAdjust).Append(targetMod).ToList();
if (!ModUtils.CheckCompatibleSet(intendedMods))
return false;
selectedMods.Value = intendedMods;
onScreenDisplay?.Display(new SpeedChangeToast(config, targetMod.SpeedChange.Value));
return true;
}
}
}