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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
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2017-02-07 12:59:30 +08:00
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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2016-09-02 19:30:27 +08:00
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2018-01-15 19:22:41 +08:00
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using System.Collections.Generic;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Game.Rulesets.Objects.Drawables;
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using OpenTK;
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using osu.Framework.Allocation;
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namespace osu.Game.Rulesets.UI
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{
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public abstract class Playfield : Container
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{
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/// <summary>
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/// The HitObjects contained in this Playfield.
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/// </summary>
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public HitObjectContainer HitObjects { get; private set; }
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public Container<Drawable> ScaledContent;
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protected override Container<Drawable> Content => content;
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private readonly Container<Drawable> content;
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private List<Playfield> nestedPlayfields;
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/// <summary>
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/// All the <see cref="Playfield"/>s nested inside this playfield.
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/// </summary>
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public IReadOnlyList<Playfield> NestedPlayfields => nestedPlayfields;
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/// <summary>
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/// A container for keeping track of DrawableHitObjects.
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/// </summary>
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/// <param name="customWidth">Whether we want our internal coordinate system to be scaled to a specified width.</param>
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protected Playfield(float? customWidth = null)
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{
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RelativeSizeAxes = Axes.Both;
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AddInternal(ScaledContent = new ScaledContainer
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{
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CustomWidth = customWidth,
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RelativeSizeAxes = Axes.Both,
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Children = new[]
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{
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content = new Container
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{
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RelativeSizeAxes = Axes.Both,
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}
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}
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});
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}
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[BackgroundDependencyLoader]
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private void load()
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{
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HitObjects = CreateHitObjectContainer();
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HitObjects.RelativeSizeAxes = Axes.Both;
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Add(HitObjects);
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}
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/// <summary>
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/// Performs post-processing tasks (if any) after all DrawableHitObjects are loaded into this Playfield.
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/// </summary>
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public virtual void PostProcess() => nestedPlayfields?.ForEach(p => p.PostProcess());
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/// <summary>
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/// Adds a DrawableHitObject to this Playfield.
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/// </summary>
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/// <param name="h">The DrawableHitObject to add.</param>
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public virtual void Add(DrawableHitObject h) => HitObjects.Add(h);
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/// <summary>
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/// Remove a DrawableHitObject from this Playfield.
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/// </summary>
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/// <param name="h">The DrawableHitObject to remove.</param>
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public virtual void Remove(DrawableHitObject h) => HitObjects.Remove(h);
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/// <summary>
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/// Registers a <see cref="Playfield"/> as a nested <see cref="Playfield"/>.
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/// This does not add the <see cref="Playfield"/> to the draw hierarchy.
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/// </summary>
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/// <param name="otherPlayfield">The <see cref="Playfield"/> to add.</param>
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protected void AddNested(Playfield otherPlayfield)
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{
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if (nestedPlayfields == null)
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nestedPlayfields = new List<Playfield>();
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nestedPlayfields.Add(otherPlayfield);
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}
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2018-01-07 11:47:09 +08:00
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/// <summary>
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/// Creates the container that will be used to contain the <see cref="DrawableHitObject"/>s.
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/// </summary>
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protected virtual HitObjectContainer CreateHitObjectContainer() => new HitObjectContainer();
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private class ScaledContainer : Container
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{
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/// <summary>
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/// A value (in game pixels that we should scale our content to match).
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/// </summary>
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public float? CustomWidth;
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//dividing by the customwidth will effectively scale our content to the required container size.
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protected override Vector2 DrawScale => CustomWidth.HasValue ? new Vector2(DrawSize.X / CustomWidth.Value) : base.DrawScale;
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protected override void Update()
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{
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base.Update();
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RelativeChildSize = new Vector2(DrawScale.X, RelativeChildSize.Y);
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}
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}
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}
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}
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