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osu-lazer/osu.Game.Rulesets.Catch/UI/CatchPlayfieldAdjustmentContainer.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.Graphics;
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using osu.Framework.Graphics.Containers;
using osu.Game.Rulesets.UI;
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using osuTK;
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namespace osu.Game.Rulesets.Catch.UI
{
public partial class CatchPlayfieldAdjustmentContainer : PlayfieldAdjustmentContainer
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{
private const float playfield_size_adjust = 0.8f;
protected override Container<Drawable> Content => content;
private readonly Container content;
public CatchPlayfieldAdjustmentContainer()
{
Anchor = Anchor.TopCentre;
Origin = Anchor.TopCentre;
// playfields in stable are positioned vertically at three fourths the difference between the playfield height and the window height in stable.
// we can match that in lazer by using relative coordinates for Y and considering window height to be 1, and playfield height to be 0.8.
RelativePositionAxes = Axes.Y;
Y = (1 - playfield_size_adjust) / 4 * 3;
Size = new Vector2(playfield_size_adjust);
InternalChild = new Container
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
FillMode = FillMode.Fit,
FillAspectRatio = 4f / 3,
Child = content = new ScalingContainer { RelativeSizeAxes = Axes.Both, }
};
}
/// <summary>
/// A <see cref="Container"/> which scales its content relative to a target width.
/// </summary>
private partial class ScalingContainer : Container
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{
public ScalingContainer()
{
Anchor = Anchor.BottomCentre;
Origin = Anchor.BottomCentre;
}
protected override void Update()
{
base.Update();
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// in stable, fruit fall vertically from 100 pixels above the playfield top down to the catcher's Y position (i.e. -100 to 340),
// see: https://github.com/peppy/osu-stable-reference/blob/1531237b63392e82c003c712faa028406073aa8f/osu!/GameplayElements/HitObjects/Fruits/HitCircleFruits.cs#L65
// we already have the playfield positioned similar to stable (see CatchPlayfieldAdjustmentContainer constructor),
// so we only need to increase this container's height 100 pixels above the playfield, and offset it to have the bottom at 340 rather than 384.
const float stable_fruit_start_position = -100;
const float stable_catcher_y_position = 340;
const float playfield_v_size_adjustment = (stable_catcher_y_position - stable_fruit_start_position) / CatchPlayfield.HEIGHT;
const float playfield_v_catcher_offset = stable_catcher_y_position - CatchPlayfield.HEIGHT;
Scale = new Vector2(Parent!.ChildSize.X / CatchPlayfield.WIDTH);
Position = new Vector2(0f, playfield_v_catcher_offset * Scale.Y);
Size = Vector2.Divide(new Vector2(1, playfield_v_size_adjustment), Scale);
}
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}
}
}