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osu-lazer/osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableSwell.cs
2019-04-01 12:44:46 +09:00

242 lines
8.2 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.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Graphics;
using osu.Game.Rulesets.Objects.Drawables;
using osu.Game.Rulesets.Taiko.Objects.Drawables.Pieces;
using osuTK;
using osuTK.Graphics;
using osu.Framework.Graphics.Shapes;
using osu.Game.Rulesets.Scoring;
namespace osu.Game.Rulesets.Taiko.Objects.Drawables
{
public class DrawableSwell : DrawableTaikoHitObject<Swell>
{
private const float target_ring_thick_border = 1.4f;
private const float target_ring_thin_border = 1f;
private const float target_ring_scale = 5f;
private const float inner_ring_alpha = 0.65f;
private readonly List<DrawableSwellTick> ticks = new List<DrawableSwellTick>();
private readonly Container bodyContainer;
private readonly CircularContainer targetRing;
private readonly CircularContainer expandingRing;
private readonly SwellSymbolPiece symbol;
public DrawableSwell(Swell swell)
: base(swell)
{
FillMode = FillMode.Fit;
Content.Add(bodyContainer = new Container
{
RelativeSizeAxes = Axes.Both,
Depth = 1,
Children = new Drawable[]
{
expandingRing = new CircularContainer
{
Name = "Expanding ring",
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Alpha = 0,
RelativeSizeAxes = Axes.Both,
Blending = BlendingMode.Additive,
Masking = true,
Children = new[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Alpha = inner_ring_alpha,
}
}
},
targetRing = new CircularContainer
{
Name = "Target ring (thick border)",
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
Masking = true,
BorderThickness = target_ring_thick_border,
Blending = BlendingMode.Additive,
Children = new Drawable[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Alpha = 0,
AlwaysPresent = true
},
new CircularContainer
{
Name = "Target ring (thin border)",
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
Masking = true,
BorderThickness = target_ring_thin_border,
BorderColour = Color4.White,
Children = new[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Alpha = 0,
AlwaysPresent = true
}
}
}
}
}
}
});
MainPiece.Add(symbol = new SwellSymbolPiece());
foreach (var tick in HitObject.NestedHitObjects.OfType<SwellTick>())
{
var vis = new DrawableSwellTick(tick);
ticks.Add(vis);
AddInternal(vis);
AddNested(vis);
}
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
MainPiece.AccentColour = colours.YellowDark;
expandingRing.Colour = colours.YellowLight;
targetRing.BorderColour = colours.YellowDark.Opacity(0.25f);
}
protected override void LoadComplete()
{
base.LoadComplete();
// We need to set this here because RelativeSizeAxes won't/can't set our size by default with a different RelativeChildSize
Width *= Parent.RelativeChildSize.X;
}
protected override void CheckForResult(bool userTriggered, double timeOffset)
{
if (userTriggered)
{
var nextTick = ticks.Find(j => !j.IsHit);
nextTick?.TriggerResult(HitResult.Great);
var numHits = ticks.Count(r => r.IsHit);
var completion = (float)numHits / HitObject.RequiredHits;
expandingRing
.FadeTo(expandingRing.Alpha + MathHelper.Clamp(completion / 16, 0.1f, 0.6f), 50)
.Then()
.FadeTo(completion / 8, 2000, Easing.OutQuint);
symbol.RotateTo((float)(completion * HitObject.Duration / 8), 4000, Easing.OutQuint);
expandingRing.ScaleTo(1f + Math.Min(target_ring_scale - 1f, (target_ring_scale - 1f) * completion * 1.3f), 260, Easing.OutQuint);
if (numHits == HitObject.RequiredHits)
ApplyResult(r => r.Type = HitResult.Great);
}
else
{
if (timeOffset < 0)
return;
int numHits = 0;
foreach (var tick in ticks)
{
if (tick.IsHit)
{
numHits++;
continue;
}
tick.TriggerResult(HitResult.Miss);
}
var hitResult = numHits > HitObject.RequiredHits / 2 ? HitResult.Good : HitResult.Miss;
ApplyResult(r => r.Type = hitResult);
}
}
protected override void UpdateState(ArmedState state)
{
const float preempt = 100;
const float out_transition_time = 300;
switch (state)
{
case ArmedState.Idle:
UnproxyContent();
expandingRing.FadeTo(0);
using (BeginAbsoluteSequence(HitObject.StartTime - preempt, true))
targetRing.ScaleTo(target_ring_scale, preempt * 4, Easing.OutQuint);
break;
case ArmedState.Miss:
case ArmedState.Hit:
this.FadeOut(out_transition_time, Easing.Out);
bodyContainer.ScaleTo(1.4f, out_transition_time);
Expire();
break;
}
}
protected override void Update()
{
base.Update();
Size = BaseSize * Parent.RelativeChildSize;
// Make the swell stop at the hit target
X = Math.Max(0, X);
double t = Math.Min(HitObject.StartTime, Time.Current);
if (t == HitObject.StartTime)
ProxyContent();
}
private bool? lastWasCentre;
public override bool OnPressed(TaikoAction action)
{
// Don't handle keys before the swell starts
if (Time.Current < HitObject.StartTime)
return false;
var isCentre = action == TaikoAction.LeftCentre || action == TaikoAction.RightCentre;
// Ensure alternating centre and rim hits
if (lastWasCentre == isCentre)
return false;
lastWasCentre = isCentre;
UpdateResult(true);
return true;
}
}
}