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osu-lazer/osu.Game/Screens/Play/HUD/ArgonHealthDisplay.cs
2023-12-06 09:30:28 +01:00

417 lines
15 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 System;
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Extensions.ObjectExtensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Colour;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Lines;
using osu.Framework.Layout;
using osu.Framework.Threading;
using osu.Framework.Utils;
using osu.Game.Configuration;
using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;
using osu.Game.Skinning;
using osuTK;
using osuTK.Graphics;
namespace osu.Game.Screens.Play.HUD
{
public partial class ArgonHealthDisplay : HealthDisplay, ISerialisableDrawable
{
public bool UsesFixedAnchor { get; set; }
[SettingSource("Bar height")]
public BindableFloat BarHeight { get; } = new BindableFloat(20)
{
MinValue = 0,
MaxValue = 64,
Precision = 1
};
[SettingSource("Use relative size")]
public BindableBool UseRelativeSize { get; } = new BindableBool(true);
private BarPath mainBar = null!;
/// <summary>
/// Used to show a glow at the end of the main bar, or red "damage" area when missing.
/// </summary>
private BarPath glowBar = null!;
private BackgroundPath background = null!;
private SliderPath barPath = null!;
private static readonly Colour4 main_bar_colour = Colour4.White;
private static readonly Colour4 main_bar_glow_colour = Color4Extensions.FromHex("#7ED7FD").Opacity(0.5f);
private ScheduledDelegate? resetMissBarDelegate;
private bool displayingMiss => resetMissBarDelegate != null;
private readonly List<Vector2> missBarVertices = new List<Vector2>();
private readonly List<Vector2> healthBarVertices = new List<Vector2>();
private double glowBarValue;
public double GlowBarValue
{
get => glowBarValue;
set
{
if (glowBarValue == value)
return;
glowBarValue = value;
Scheduler.AddOnce(updatePathVertices);
}
}
private double healthBarValue;
public double HealthBarValue
{
get => healthBarValue;
set
{
if (healthBarValue == value)
return;
healthBarValue = value;
Scheduler.AddOnce(updatePathVertices);
}
}
public const float MAIN_PATH_RADIUS = 10f;
private const float curve_start_offset = 70;
private const float curve_end_offset = 40;
private const float padding = MAIN_PATH_RADIUS * 2;
private const float curve_smoothness = 10;
private readonly LayoutValue drawSizeLayout = new LayoutValue(Invalidation.DrawSize);
public ArgonHealthDisplay()
{
AddLayout(drawSizeLayout);
// sane default width specification.
// this only matters if the health display isn't part of the default skin
// (in which case width will be set to 300 via `ArgonSkin.GetDrawableComponent()`),
// and if the user hasn't applied their own modifications
// (which are applied via `SerialisedDrawableInfo.ApplySerialisedInfo()`).
Width = 0.98f;
}
[BackgroundDependencyLoader]
private void load()
{
AutoSizeAxes = Axes.Y;
InternalChild = new Container
{
AutoSizeAxes = Axes.Both,
Children = new Drawable[]
{
background = new BackgroundPath
{
PathRadius = MAIN_PATH_RADIUS,
},
glowBar = new BarPath
{
BarColour = Color4.White,
GlowColour = main_bar_glow_colour,
Blending = BlendingParameters.Additive,
Colour = ColourInfo.GradientHorizontal(Color4.White.Opacity(0.8f), Color4.White),
PathRadius = 40f,
// Kinda hacky, but results in correct positioning with increased path radius.
Margin = new MarginPadding(-30f),
GlowPortion = 0.9f,
},
mainBar = new BarPath
{
AutoSizeAxes = Axes.None,
RelativeSizeAxes = Axes.Both,
Blending = BlendingParameters.Additive,
BarColour = main_bar_colour,
GlowColour = main_bar_glow_colour,
PathRadius = MAIN_PATH_RADIUS,
GlowPortion = 0.6f,
},
}
};
}
private bool pendingMissAnimation;
protected override void LoadComplete()
{
base.LoadComplete();
HealthProcessor.NewJudgement += onNewJudgement;
Current.BindValueChanged(onCurrentChanged, true);
// we're about to set `RelativeSizeAxes` depending on the value of `UseRelativeSize`.
// setting `RelativeSizeAxes` internally transforms absolute sizing to relative and back to keep the size the same,
// but that is not what we want in this case, since the width at this point is valid in the *target* sizing mode.
// to counteract this, store the numerical value here, and restore it after setting the correct initial relative sizing axes.
float previousWidth = Width;
UseRelativeSize.BindValueChanged(v => RelativeSizeAxes = v.NewValue ? Axes.X : Axes.None, true);
Width = previousWidth;
BarHeight.BindValueChanged(_ => updatePath(), true);
}
private void onNewJudgement(JudgementResult result) => pendingMissAnimation |= !result.IsHit;
private void onCurrentChanged(ValueChangedEvent<double> valueChangedEvent)
// schedule display updates one frame later to ensure we know the judgement result causing this change (if there is one).
=> Scheduler.AddOnce(updateDisplay);
private void updateDisplay()
{
double newHealth = Current.Value;
if (newHealth >= GlowBarValue)
finishMissDisplay();
double time = newHealth > GlowBarValue ? 500 : 250;
// TODO: this should probably use interpolation in update.
this.TransformTo(nameof(HealthBarValue), newHealth, time, Easing.OutQuint);
if (pendingMissAnimation && newHealth < GlowBarValue)
triggerMissDisplay();
pendingMissAnimation = false;
if (!displayingMiss)
this.TransformTo(nameof(GlowBarValue), newHealth, time, Easing.OutQuint);
}
protected override void Update()
{
base.Update();
if (!drawSizeLayout.IsValid)
{
updatePath();
drawSizeLayout.Validate();
}
mainBar.Alpha = (float)Interpolation.DampContinuously(mainBar.Alpha, Current.Value > 0 ? 1 : 0, 40, Time.Elapsed);
glowBar.Alpha = (float)Interpolation.DampContinuously(glowBar.Alpha, GlowBarValue > 0 ? 1 : 0, 40, Time.Elapsed);
}
protected override void FinishInitialAnimation(double value)
{
base.FinishInitialAnimation(value);
this.TransformTo(nameof(HealthBarValue), value, 500, Easing.OutQuint);
this.TransformTo(nameof(GlowBarValue), value, 250, Easing.OutQuint);
}
protected override void Flash()
{
base.Flash();
mainBar.TransformTo(nameof(BarPath.GlowColour), main_bar_glow_colour.Opacity(0.8f))
.TransformTo(nameof(BarPath.GlowColour), main_bar_glow_colour, 300, Easing.OutQuint);
if (!displayingMiss)
{
glowBar.TransformTo(nameof(BarPath.BarColour), Colour4.White, 30, Easing.OutQuint)
.Then()
.TransformTo(nameof(BarPath.BarColour), main_bar_colour, 1000, Easing.OutQuint);
glowBar.TransformTo(nameof(BarPath.GlowColour), Colour4.White, 30, Easing.OutQuint)
.Then()
.TransformTo(nameof(BarPath.GlowColour), main_bar_glow_colour, 300, Easing.OutQuint);
}
}
private void triggerMissDisplay()
{
resetMissBarDelegate?.Cancel();
resetMissBarDelegate = null;
this.Delay(500).Schedule(() =>
{
this.TransformTo(nameof(GlowBarValue), Current.Value, 300, Easing.OutQuint);
finishMissDisplay();
}, out resetMissBarDelegate);
glowBar.TransformTo(nameof(BarPath.BarColour), new Colour4(255, 147, 147, 255), 100, Easing.OutQuint).Then()
.TransformTo(nameof(BarPath.BarColour), new Colour4(255, 93, 93, 255), 800, Easing.OutQuint);
glowBar.TransformTo(nameof(BarPath.GlowColour), new Colour4(253, 0, 0, 255).Lighten(0.2f))
.TransformTo(nameof(BarPath.GlowColour), new Colour4(253, 0, 0, 255), 800, Easing.OutQuint);
}
private void finishMissDisplay()
{
if (!displayingMiss)
return;
if (Current.Value > 0)
{
glowBar.TransformTo(nameof(BarPath.BarColour), main_bar_colour, 300, Easing.In);
glowBar.TransformTo(nameof(BarPath.GlowColour), main_bar_glow_colour, 300, Easing.In);
}
resetMissBarDelegate?.Cancel();
resetMissBarDelegate = null;
}
private void updatePath()
{
float usableWidth = DrawWidth - padding;
if (usableWidth < 0) enforceMinimumWidth();
// the display starts curving at `curve_start_offset` units from the right and ends curving at `curve_end_offset`.
// to ensure that the curve is symmetric when it starts being narrow enough, add a `curve_end_offset` to the left side too.
const float rescale_cutoff = curve_start_offset + curve_end_offset;
float barLength = Math.Max(DrawWidth - padding, rescale_cutoff);
float curveStart = barLength - curve_start_offset;
float curveEnd = barLength - curve_end_offset;
Vector2 diagonalDir = (new Vector2(curveEnd, BarHeight.Value) - new Vector2(curveStart, 0)).Normalized();
barPath = new SliderPath(new[]
{
new PathControlPoint(new Vector2(0, 0), PathType.LINEAR),
new PathControlPoint(new Vector2(curveStart - curve_smoothness, 0), PathType.BEZIER),
new PathControlPoint(new Vector2(curveStart, 0)),
new PathControlPoint(new Vector2(curveStart, 0) + diagonalDir * curve_smoothness, PathType.LINEAR),
new PathControlPoint(new Vector2(curveEnd, BarHeight.Value) - diagonalDir * curve_smoothness, PathType.BEZIER),
new PathControlPoint(new Vector2(curveEnd, BarHeight.Value)),
new PathControlPoint(new Vector2(curveEnd + curve_smoothness, BarHeight.Value), PathType.LINEAR),
new PathControlPoint(new Vector2(barLength, BarHeight.Value)),
});
if (DrawWidth - padding < rescale_cutoff)
rescalePathProportionally();
List<Vector2> vertices = new List<Vector2>();
barPath.GetPathToProgress(vertices, 0.0, 1.0);
background.Vertices = vertices;
mainBar.Vertices = vertices;
glowBar.Vertices = vertices;
updatePathVertices();
void enforceMinimumWidth()
{
// Switch to absolute in order to be able to define a minimum width.
// Then switch back is required. Framework will handle the conversion for us.
Axes relativeAxes = RelativeSizeAxes;
RelativeSizeAxes = Axes.None;
Width = padding;
RelativeSizeAxes = relativeAxes;
}
void rescalePathProportionally()
{
foreach (var point in barPath.ControlPoints)
point.Position = new Vector2(point.Position.X / barLength * (DrawWidth - padding), point.Position.Y);
}
}
private void updatePathVertices()
{
barPath.GetPathToProgress(healthBarVertices, 0.0, healthBarValue);
barPath.GetPathToProgress(missBarVertices, healthBarValue, Math.Max(glowBarValue, healthBarValue));
if (healthBarVertices.Count == 0)
healthBarVertices.Add(Vector2.Zero);
if (missBarVertices.Count == 0)
missBarVertices.Add(Vector2.Zero);
glowBar.Vertices = missBarVertices.Select(v => v - missBarVertices[0]).ToList();
glowBar.Position = missBarVertices[0];
mainBar.Vertices = healthBarVertices.Select(v => v - healthBarVertices[0]).ToList();
mainBar.Position = healthBarVertices[0];
}
protected override void Dispose(bool isDisposing)
{
base.Dispose(isDisposing);
if (HealthProcessor.IsNotNull())
HealthProcessor.NewJudgement -= onNewJudgement;
}
private partial class BackgroundPath : SmoothPath
{
protected override Color4 ColourAt(float position)
{
if (position <= 0.16f)
return Color4.White.Opacity(0.8f);
return Interpolation.ValueAt(position,
Color4.White.Opacity(0.8f),
Color4.Black.Opacity(0.2f),
-0.5f, 1f, Easing.OutQuint);
}
}
private partial class BarPath : SmoothPath
{
private Colour4 barColour;
public Colour4 BarColour
{
get => barColour;
set
{
if (barColour == value)
return;
barColour = value;
InvalidateTexture();
}
}
private Colour4 glowColour;
public Colour4 GlowColour
{
get => glowColour;
set
{
if (glowColour == value)
return;
glowColour = value;
InvalidateTexture();
}
}
public float GlowPortion { get; init; }
protected override Color4 ColourAt(float position)
{
if (position >= GlowPortion)
return BarColour;
return Interpolation.ValueAt(position, Colour4.Black.Opacity(0.0f), GlowColour, 0.0, GlowPortion, Easing.InQuint);
}
}
}
}