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osu-lazer/osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableSwell.cs
2017-07-22 20:53:53 +02:00

239 lines
9.0 KiB
C#

// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
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.Judgements;
using osu.Game.Rulesets.Taiko.Objects.Drawables.Pieces;
using OpenTK;
using OpenTK.Graphics;
using OpenTK.Input;
using osu.Framework.Graphics.Shapes;
namespace osu.Game.Rulesets.Taiko.Objects.Drawables
{
public class DrawableSwell : DrawableTaikoHitObject<Swell>
{
/// <summary>
/// Invoked when the swell has reached the hit target, i.e. when CurrentTime >= StartTime.
/// This is only ever invoked once.
/// </summary>
public event Action OnStart;
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 Container bodyContainer;
private readonly CircularContainer targetRing;
private readonly CircularContainer expandingRing;
private readonly CirclePiece circlePiece;
private readonly Key[] rimKeys = { Key.D, Key.K };
private readonly Key[] centreKeys = { Key.F, Key.J };
private Key[] lastKeySet;
/// <summary>
/// The amount of times the user has hit this swell.
/// </summary>
private int userHits;
private bool hasStarted;
private readonly SwellSymbolPiece symbol;
public DrawableSwell(Swell swell)
: base(swell)
{
Children = new Drawable[]
{
bodyContainer = new Container
{
AutoSizeAxes = Axes.Both,
Children = new Drawable[]
{
expandingRing = new CircularContainer
{
Name = "Expanding ring",
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Alpha = 0,
Size = new Vector2(TaikoHitObject.DEFAULT_CIRCLE_DIAMETER),
BlendingMode = 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,
Size = new Vector2(TaikoHitObject.DEFAULT_CIRCLE_DIAMETER),
Masking = true,
BorderThickness = target_ring_thick_border,
BlendingMode = 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
}
}
}
}
},
circlePiece = new CirclePiece
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Children = new[]
{
symbol = new SwellSymbolPiece()
}
}
}
}
};
circlePiece.KiaiMode = HitObject.Kiai;
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
circlePiece.AccentColour = colours.YellowDark;
expandingRing.Colour = colours.YellowLight;
targetRing.BorderColour = colours.YellowDark.Opacity(0.25f);
}
protected override void CheckJudgement(bool userTriggered)
{
if (userTriggered)
{
userHits++;
var completion = (float)userHits / 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 (userHits == HitObject.RequiredHits)
{
Judgement.Result = HitResult.Hit;
Judgement.TaikoResult = TaikoHitResult.Great;
}
}
else
{
if (Judgement.TimeOffset < 0)
return;
//TODO: THIS IS SHIT AND CAN'T EXIST POST-TAIKO WORLD CUP
if (userHits > HitObject.RequiredHits / 2)
{
Judgement.Result = HitResult.Hit;
Judgement.TaikoResult = TaikoHitResult.Good;
}
else
Judgement.Result = HitResult.Miss;
}
}
protected override void UpdateState(ArmedState state)
{
const float preempt = 100;
const float out_transition_time = 300;
double untilStartTime = HitObject.StartTime - Time.Current;
double untilJudgement = untilStartTime + Judgement.TimeOffset + HitObject.Duration;
targetRing.Delay(untilStartTime - preempt).ScaleTo(target_ring_scale, preempt * 4, Easing.OutQuint);
this.Delay(untilJudgement).FadeOut(out_transition_time, Easing.Out);
switch (state)
{
case ArmedState.Hit:
bodyContainer.Delay(untilJudgement).ScaleTo(1.4f, out_transition_time);
break;
}
Expire();
}
protected override void UpdateScrollPosition(double time)
{
// Make the swell stop at the hit target
double t = Math.Min(HitObject.StartTime, time);
if (t == HitObject.StartTime && !hasStarted)
{
OnStart?.Invoke();
hasStarted = true;
}
base.UpdateScrollPosition(t);
}
protected override bool HandleKeyPress(Key key)
{
if (Judgement.Result != HitResult.None)
return false;
// Don't handle keys before the swell starts
if (Time.Current < HitObject.StartTime)
return false;
// Find the keyset which this key corresponds to
var keySet = rimKeys.Contains(key) ? rimKeys : centreKeys;
// Ensure alternating keysets
if (keySet == lastKeySet)
return false;
lastKeySet = keySet;
UpdateJudgement(true);
return true;
}
}
}