// 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; protected override void LoadComplete() { base.LoadComplete(); selectedMods.BindValueChanged(val => { lastActiveRateAdjustMod = val.NewValue.OfType<ModRateAdjust>().SingleOrDefault() ?? lastActiveRateAdjustMod; }, true); } 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; } } }