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

81 lines
2.7 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.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 => 1.12;
private const float default_flashlight_size = 250;
public override Flashlight CreateFlashlight() => new TaikoFlashlight(playfield);
private TaikoPlayfield playfield;
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.DrawSize);
private readonly TaikoPlayfield taikoPlayfield;
public TaikoFlashlight(TaikoPlayfield taikoPlayfield)
{
this.taikoPlayfield = taikoPlayfield;
FlashlightSize = getSizeFor(0);
AddLayout(flashlightProperties);
}
private Vector2 getSizeFor(int combo)
{
float size = default_flashlight_size;
if (combo > 200)
size *= 0.8f;
else if (combo > 100)
size *= 0.9f;
// Preserve flashlight size through the playfield's aspect adjustment.
return new Vector2(0, size * 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();
}
}
}
}
}