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osu-lazer/osu.Game.Rulesets.Mania/UI/ManiaPlayfield.cs
2017-06-16 13:00:08 +09:00

272 lines
11 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 osu.Framework.Graphics;
using osu.Framework.Graphics.Sprites;
using osu.Game.Rulesets.Mania.Objects;
using osu.Game.Rulesets.UI;
using OpenTK;
using OpenTK.Graphics;
using osu.Game.Rulesets.Mania.Judgements;
using osu.Framework.Graphics.Containers;
using System;
using osu.Game.Graphics;
using osu.Framework.Allocation;
using OpenTK.Input;
using System.Linq;
using System.Collections.Generic;
using osu.Game.Rulesets.Objects.Drawables;
using osu.Framework.Input;
using osu.Framework.Graphics.Transforms;
using osu.Framework.MathUtils;
using osu.Game.Rulesets.Mania.Objects.Drawables;
using osu.Game.Rulesets.Timing;
using osu.Framework.Configuration;
namespace osu.Game.Rulesets.Mania.UI
{
public class ManiaPlayfield : Playfield<ManiaHitObject, ManiaJudgement>
{
public const float HIT_TARGET_POSITION = 50;
private const double time_span_default = 1500;
public const double TIME_SPAN_MIN = 50;
public const double TIME_SPAN_MAX = 10000;
private const double time_span_step = 50;
/// <summary>
/// Default column keys, expanding outwards from the middle as more column are added.
/// E.g. 2 columns use FJ, 4 columns use DFJK, 6 use SDFJKL, etc...
/// </summary>
private static readonly Key[] default_keys = { Key.A, Key.S, Key.D, Key.F, Key.J, Key.K, Key.L, Key.Semicolon };
private SpecialColumnPosition specialColumnPosition;
/// <summary>
/// The style to use for the special column.
/// </summary>
public SpecialColumnPosition SpecialColumnPosition
{
get { return specialColumnPosition; }
set
{
if (IsLoaded)
throw new InvalidOperationException($"Setting {nameof(SpecialColumnPosition)} after the playfield is loaded requires re-creating the playfield.");
specialColumnPosition = value;
}
}
private readonly FlowContainer<Column> columns;
public IEnumerable<Column> Columns => columns.Children;
private readonly BindableDouble visibleTimeRange = new BindableDouble(time_span_default)
{
MinValue = TIME_SPAN_MIN,
MaxValue = TIME_SPAN_MAX
};
private readonly SpeedAdjustmentCollection barLineContainer;
private List<Color4> normalColumnColours = new List<Color4>();
private Color4 specialColumnColour;
private readonly int columnCount;
public ManiaPlayfield(int columnCount)
{
this.columnCount = columnCount;
if (columnCount <= 0)
throw new ArgumentException("Can't have zero or fewer columns.");
Children = new Drawable[]
{
new Container
{
Anchor = Anchor.TopCentre,
Origin = Anchor.TopCentre,
RelativeSizeAxes = Axes.Both,
Masking = true,
Children = new Drawable[]
{
new Container
{
Name = "Masked elements",
Anchor = Anchor.TopCentre,
Origin = Anchor.TopCentre,
RelativeSizeAxes = Axes.Y,
AutoSizeAxes = Axes.X,
Masking = true,
Children = new Drawable[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Colour = Color4.Black
},
columns = new FillFlowContainer<Column>
{
Name = "Columns",
RelativeSizeAxes = Axes.Y,
AutoSizeAxes = Axes.X,
Direction = FillDirection.Horizontal,
Padding = new MarginPadding { Left = 1, Right = 1 },
Spacing = new Vector2(1, 0)
}
}
},
new Container
{
Anchor = Anchor.TopCentre,
Origin = Anchor.TopCentre,
RelativeSizeAxes = Axes.Both,
Padding = new MarginPadding { Top = HIT_TARGET_POSITION },
Children = new[]
{
barLineContainer = new SpeedAdjustmentCollection(Axes.Y)
{
Name = "Bar lines",
Anchor = Anchor.TopCentre,
Origin = Anchor.TopCentre,
RelativeSizeAxes = Axes.Y,
VisibleTimeRange = visibleTimeRange
// Width is set in the Update method
}
}
}
}
}
};
for (int i = 0; i < columnCount; i++)
columns.Add(new Column { VisibleTimeRange = visibleTimeRange });
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
normalColumnColours = new List<Color4>
{
colours.RedDark,
colours.GreenDark
};
specialColumnColour = colours.BlueDark;
// Set the special column + colour + key
for (int i = 0; i < columnCount; i++)
{
Column column = Columns.ElementAt(i);
column.IsSpecial = isSpecialColumn(i);
if (!column.IsSpecial)
continue;
column.Key.Value = Key.Space;
column.AccentColour = specialColumnColour;
}
var nonSpecialColumns = Columns.Where(c => !c.IsSpecial).ToList();
// We'll set the colours of the non-special columns in a separate loop, because the non-special
// column colours are mirrored across their centre and special styles mess with this
for (int i = 0; i < Math.Ceiling(nonSpecialColumns.Count / 2f); i++)
{
Color4 colour = normalColumnColours[i % normalColumnColours.Count];
nonSpecialColumns[i].AccentColour = colour;
nonSpecialColumns[nonSpecialColumns.Count - 1 - i].AccentColour = colour;
}
// We'll set the keys for non-special columns in another separate loop because it's not mirrored like the above colours
// Todo: This needs to go when we get to bindings and use Button1, ..., ButtonN instead
for (int i = 0; i < nonSpecialColumns.Count; i++)
{
Column column = nonSpecialColumns[i];
int keyOffset = default_keys.Length / 2 - nonSpecialColumns.Count / 2 + i;
if (keyOffset >= 0 && keyOffset < default_keys.Length)
column.Key.Value = default_keys[keyOffset];
else
// There is no default key defined for this column. Let's set this to Unknown for now
// however note that this will be gone after bindings are in place
column.Key.Value = Key.Unknown;
}
}
/// <summary>
/// Whether the column index is a special column for this playfield.
/// </summary>
/// <param name="column">The 0-based column index.</param>
/// <returns>Whether the column is a special column.</returns>
private bool isSpecialColumn(int column)
{
switch (SpecialColumnPosition)
{
default:
case SpecialColumnPosition.Normal:
return columnCount % 2 == 1 && column == columnCount / 2;
case SpecialColumnPosition.Left:
return column == 0;
case SpecialColumnPosition.Right:
return column == columnCount - 1;
}
}
public override void Add(DrawableHitObject<ManiaHitObject, ManiaJudgement> h) => Columns.ElementAt(h.HitObject.Column).Add(h);
public void Add(DrawableBarLine barline) => barLineContainer.Add(barline);
public void Add(SpeedAdjustmentContainer speedAdjustment) => barLineContainer.Add(speedAdjustment);
protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
{
if (state.Keyboard.ControlPressed)
{
switch (args.Key)
{
case Key.Minus:
transformVisibleTimeRangeTo(visibleTimeRange + time_span_step, 200, EasingTypes.OutQuint);
break;
case Key.Plus:
transformVisibleTimeRangeTo(visibleTimeRange - time_span_step, 200, EasingTypes.OutQuint);
break;
}
}
return false;
}
private void transformVisibleTimeRangeTo(double newTimeRange, double duration = 0, EasingTypes easing = EasingTypes.None)
{
TransformTo(() => visibleTimeRange.Value, newTimeRange, duration, easing, new TransformTimeSpan());
}
protected override void Update()
{
// Due to masking differences, it is not possible to get the width of the columns container automatically
// While masking on effectively only the Y-axis, so we need to set the width of the bar line container manually
barLineContainer.Width = columns.Width;
}
private class TransformTimeSpan : Transform<double>
{
public override double CurrentValue
{
get
{
double time = Time?.Current ?? 0;
if (time < StartTime) return StartValue;
if (time >= EndTime) return EndValue;
return Interpolation.ValueAt(time, StartValue, EndValue, StartTime, EndTime, Easing);
}
}
public override void Apply(Drawable d)
{
base.Apply(d);
var p = (ManiaPlayfield)d;
p.visibleTimeRange.Value = (float)CurrentValue;
}
}
}
}