mirror of https://github.com/ppy/osu
79 lines
2.1 KiB
C#
79 lines
2.1 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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#nullable disable
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using System.Collections.Generic;
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using System.Linq;
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using JetBrains.Annotations;
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using osu.Game.Beatmaps;
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using osu.Game.Replays;
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using osu.Game.Rulesets.Objects;
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namespace osu.Game.Rulesets.Replays
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{
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public abstract class AutoGenerator
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{
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/// <summary>
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/// The default duration of a key press in milliseconds.
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/// </summary>
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public const double KEY_UP_DELAY = 50;
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/// <summary>
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/// The beatmap the autoplay is generated for.
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/// </summary>
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protected IBeatmap Beatmap { get; }
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protected AutoGenerator(IBeatmap beatmap)
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{
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Beatmap = beatmap;
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}
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/// <summary>
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/// Generate the replay of the autoplay.
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/// </summary>
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public abstract Replay Generate();
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protected virtual HitObject GetNextObject(int currentIndex)
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{
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if (currentIndex >= Beatmap.HitObjects.Count - 1)
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return null;
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return Beatmap.HitObjects[currentIndex + 1];
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}
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}
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public abstract class AutoGenerator<TFrame> : AutoGenerator
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where TFrame : ReplayFrame
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{
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/// <summary>
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/// The replay frames of the autoplay.
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/// </summary>
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protected readonly List<TFrame> Frames = new List<TFrame>();
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[CanBeNull]
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protected TFrame LastFrame => Frames.Count == 0 ? null : Frames[^1];
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protected AutoGenerator(IBeatmap beatmap)
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: base(beatmap)
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{
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}
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public sealed override Replay Generate()
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{
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Frames.Clear();
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GenerateFrames();
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return new Replay
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{
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Frames = Frames.OrderBy(frame => frame.Time).Cast<ReplayFrame>().ToList()
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};
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}
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/// <summary>
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/// Generate the replay frames of the autoplay and populate <see cref="Frames"/>.
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/// </summary>
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protected abstract void GenerateFrames();
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}
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}
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