mirror of https://github.com/ppy/osu
118 lines
4.4 KiB
C#
118 lines
4.4 KiB
C#
// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System;
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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;
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using osu.Game.Rulesets.Objects.Drawables;
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using OpenTK;
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using osu.Game.Rulesets.Judgements;
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using osu.Framework.Allocation;
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using System.Collections.Generic;
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using System.Linq;
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namespace osu.Game.Rulesets.UI
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{
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public abstract class Playfield<TObject, TJudgement> : Container
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where TObject : HitObject
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where TJudgement : Judgement
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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; protected set; }
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internal Container<Drawable> ScaledContent;
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/// <summary>
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/// Whether we are currently providing the local user a gameplay cursor.
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/// </summary>
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public virtual bool ProvidingUserCursor => false;
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protected override Container<Drawable> Content => content;
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private readonly Container<Drawable> content;
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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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// Default height since we force relative size axes
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Size = Vector2.One;
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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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HitObjects = new HitObjectContainer
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{
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RelativeSizeAxes = Axes.Both,
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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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Add(HitObjects);
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}
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public override Axes RelativeSizeAxes
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{
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get { return Axes.Both; }
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set { throw new InvalidOperationException($@"{nameof(Playfield<TObject, TJudgement>)}'s {nameof(RelativeSizeAxes)} should never be changed from {Axes.Both}"); }
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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() { }
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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<TObject, TJudgement> 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<TObject, TJudgement> h) => HitObjects.Remove(h);
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/// <summary>
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/// Triggered when an object's Judgement is updated.
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/// </summary>
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/// <param name="judgedObject">The object that Judgement has been updated for.</param>
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public virtual void OnJudgement(DrawableHitObject<TObject, TJudgement> judgedObject) { }
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public class HitObjectContainer : CompositeDrawable
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{
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public virtual IEnumerable<DrawableHitObject> Objects => InternalChildren.OfType<DrawableHitObject>();
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public virtual void Add(DrawableHitObject hitObject) => AddInternal(hitObject);
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public virtual bool Remove(DrawableHitObject hitObject) => RemoveInternal(hitObject);
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}
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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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}
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}
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}
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