osu/osu.Game.Rulesets.Osu/Mods/OsuModFlashlight.cs

95 lines
3.5 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;
using System.Linq;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Input;
using osu.Framework.Input.Events;
using osu.Framework.Utils;
using osu.Game.Configuration;
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.Objects.Drawables;
using osu.Game.Rulesets.Osu.Objects;
using osu.Game.Rulesets.Osu.Objects.Drawables;
using osuTK;
namespace osu.Game.Rulesets.Osu.Mods
{
public partial class OsuModFlashlight : ModFlashlight<OsuHitObject>, IApplicableToDrawableHitObject
{
public override double ScoreMultiplier => UsesDefaultConfiguration ? 1.12 : 1;
public override Type[] IncompatibleMods => base.IncompatibleMods.Append(typeof(OsuModBlinds)).ToArray();
private const double default_follow_delay = 120;
[SettingSource("Follow delay", "Milliseconds until the flashlight reaches the cursor")]
public BindableNumber<double> FollowDelay { get; } = new BindableDouble(default_follow_delay)
{
MinValue = default_follow_delay,
MaxValue = default_follow_delay * 10,
Precision = default_follow_delay,
};
public override BindableFloat SizeMultiplier { get; } = new BindableFloat(1)
{
MinValue = 0.5f,
MaxValue = 2f,
Precision = 0.1f
};
public override BindableBool ComboBasedSize { get; } = new BindableBool(true);
public override float DefaultFlashlightSize => 200;
private OsuFlashlight flashlight = null!;
protected override Flashlight CreateFlashlight() => flashlight = new OsuFlashlight(this);
public void ApplyToDrawableHitObject(DrawableHitObject drawable)
{
if (drawable is DrawableSlider s)
s.OnUpdate += _ => flashlight.OnSliderTrackingChange(s);
}
private partial class OsuFlashlight : Flashlight, IRequireHighFrequencyMousePosition
{
private readonly double followDelay;
public OsuFlashlight(OsuModFlashlight modFlashlight)
: base(modFlashlight)
{
followDelay = modFlashlight.FollowDelay.Value;
FlashlightSize = new Vector2(0, GetSize());
FlashlightSmoothness = 1.4f;
}
public void OnSliderTrackingChange(DrawableSlider e)
{
// If a slider is in a tracking state, a further dim should be applied to the (remaining) visible portion of the playfield.
FlashlightDim = Time.Current >= e.HitObject.StartTime && e.Tracking.Value ? 0.8f : 0.0f;
}
protected override bool OnMouseMove(MouseMoveEvent e)
{
var position = FlashlightPosition;
var destination = e.MousePosition;
FlashlightPosition = Interpolation.ValueAt(
Math.Min(Math.Abs(Clock.ElapsedFrameTime), followDelay), position, destination, 0, followDelay, Easing.Out);
return base.OnMouseMove(e);
}
protected override void UpdateFlashlightSize(float size)
{
this.TransformTo(nameof(FlashlightSize), new Vector2(0, size), FLASHLIGHT_FADE_DURATION);
}
protected override string FragmentShader => "CircularFlashlight";
}
}
}