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osu-lazer/osu.Game.Rulesets.Taiko/Mods/TaikoModFlashlight.cs

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// 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.
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using osu.Framework.Bindables;
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using osu.Framework.Caching;
using osu.Framework.Graphics;
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using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.Taiko.Objects;
using osu.Game.Rulesets.Taiko.UI;
using osu.Game.Rulesets.UI;
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using osuTK;
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namespace osu.Game.Rulesets.Taiko.Mods
{
public class TaikoModFlashlight : ModFlashlight<TaikoHitObject>
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{
public override double ScoreMultiplier => 1.12;
private const float default_flashlight_size = 250;
public override Flashlight CreateFlashlight() => new TaikoFlashlight(playfield);
private TaikoPlayfield playfield;
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public override void ApplyToDrawableRuleset(DrawableRuleset<TaikoHitObject> drawableRuleset)
{
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playfield = (TaikoPlayfield)drawableRuleset.Playfield;
base.ApplyToDrawableRuleset(drawableRuleset);
}
private class TaikoFlashlight : Flashlight
{
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private readonly Cached flashlightProperties = new Cached();
private readonly TaikoPlayfield taikoPlayfield;
public TaikoFlashlight(TaikoPlayfield taikoPlayfield)
{
this.taikoPlayfield = taikoPlayfield;
FlashlightSize = new Vector2(0, getSizeFor(0));
}
private float getSizeFor(int combo)
{
if (combo > 200)
return default_flashlight_size * 0.8f;
else if (combo > 100)
return default_flashlight_size * 0.9f;
else
return default_flashlight_size;
}
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protected override void OnComboChange(ValueChangedEvent<int> e)
{
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this.TransformTo(nameof(FlashlightSize), new Vector2(0, getSizeFor(e.NewValue)), FLASHLIGHT_FADE_DURATION);
}
protected override string FragmentShader => "CircularFlashlight";
public override bool Invalidate(Invalidation invalidation = Invalidation.All, Drawable source = null, bool shallPropagate = true)
{
if ((invalidation & Invalidation.DrawSize) > 0)
{
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flashlightProperties.Invalidate();
}
return base.Invalidate(invalidation, source, shallPropagate);
}
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protected override void Update()
{
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base.Update();
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if (!flashlightProperties.IsValid)
{
FlashlightPosition = taikoPlayfield.HitTarget.ToSpaceOfOtherDrawable(taikoPlayfield.HitTarget.OriginPosition, this);
flashlightProperties.Validate();
}
}
}
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}
}