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osu-lazer/osu.Game.Rulesets.Taiko/Mods/TaikoModFlashlight.cs
2022-08-02 00:48:23 +08:00

93 lines
3.3 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 osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Layout;
using osu.Game.Configuration;
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.Taiko.Objects;
using osu.Game.Rulesets.Taiko.UI;
using osu.Game.Rulesets.UI;
using osuTK;
namespace osu.Game.Rulesets.Taiko.Mods
{
public class TaikoModFlashlight : ModFlashlight<TaikoHitObject>
{
public override double ScoreMultiplier => UsesDefaultConfiguration ? 1.12 : 1;
[SettingSource("Flashlight size", "Multiplier applied to the default flashlight size.")]
public override BindableFloat SizeMultiplier { get; } = new BindableFloat
{
MinValue = 0.5f,
MaxValue = 1.5f,
Default = 1f,
Value = 1f,
Precision = 0.1f
};
[SettingSource("Change size based on combo", "Decrease the flashlight size as combo increases.")]
public override BindableBool ComboBasedSize { get; } = new BindableBool
{
Default = true,
Value = true
};
public override float DefaultFlashlightSize => 250;
protected override Flashlight CreateFlashlight() => new TaikoFlashlight(this, playfield);
private TaikoPlayfield playfield = null!;
public override void ApplyToDrawableRuleset(DrawableRuleset<TaikoHitObject> drawableRuleset)
{
playfield = (TaikoPlayfield)drawableRuleset.Playfield;
base.ApplyToDrawableRuleset(drawableRuleset);
}
private class TaikoFlashlight : Flashlight
{
private readonly LayoutValue flashlightProperties = new LayoutValue(Invalidation.RequiredParentSizeToFit | Invalidation.DrawInfo);
private readonly TaikoPlayfield taikoPlayfield;
public TaikoFlashlight(TaikoModFlashlight modFlashlight, TaikoPlayfield taikoPlayfield)
: base(modFlashlight)
{
this.taikoPlayfield = taikoPlayfield;
FlashlightSize = getSizeFor(0);
AddLayout(flashlightProperties);
}
private Vector2 getSizeFor(int combo)
{
// Preserve flashlight size through the playfield's aspect adjustment.
return new Vector2(0, GetSizeFor(combo) * taikoPlayfield.DrawHeight / TaikoPlayfield.DEFAULT_HEIGHT);
}
protected override void OnComboChange(ValueChangedEvent<int> e)
{
this.TransformTo(nameof(FlashlightSize), getSizeFor(e.NewValue), FLASHLIGHT_FADE_DURATION);
}
protected override string FragmentShader => "CircularFlashlight";
protected override void Update()
{
base.Update();
if (!flashlightProperties.IsValid)
{
FlashlightPosition = ToLocalSpace(taikoPlayfield.HitTarget.ScreenSpaceDrawQuad.Centre);
ClearTransforms(targetMember: nameof(FlashlightSize));
FlashlightSize = getSizeFor(Combo.Value);
flashlightProperties.Validate();
}
}
}
}
}