osu/osu.Game.Rulesets.Catch/UI/CatchPlayfieldAdjustmentContainer.cs
2020-08-20 19:12:37 +09:00

61 lines
2.3 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.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Rulesets.UI;
using osuTK;
namespace osu.Game.Rulesets.Catch.UI
{
public class CatchPlayfieldAdjustmentContainer : PlayfieldAdjustmentContainer
{
private const float playfield_size_adjust = 0.8f;
protected override Container<Drawable> Content => content;
private readonly Container content;
public CatchPlayfieldAdjustmentContainer()
{
// because we are using centre anchor/origin, we will need to limit visibility in the future
// to ensure tall windows do not get a readability advantage.
// it may be possible to bake the catch-specific offsets (-100..340 mentioned below) into new values
// which are compatible with TopCentre alignment.
Anchor = Anchor.Centre;
Origin = Anchor.Centre;
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 class ScalingContainer : Container
{
protected override void Update()
{
base.Update();
// in stable, fruit fall vertically from -100 to 340.
// to emulate this, we want to make our playfield 440 gameplay pixels high.
// we then offset it -100 vertically in the position set below.
const float stable_v_offset_ratio = 440 / 384f;
Scale = new Vector2(Parent.ChildSize.X / CatchPlayfield.WIDTH);
Position = new Vector2(0, -100 * stable_v_offset_ratio + Scale.X);
Size = Vector2.Divide(new Vector2(1, stable_v_offset_ratio), Scale);
}
}
}
}