mirror of
https://github.com/ppy/osu.git
synced 2024-12-17 20:02:58 +08:00
93 lines
2.8 KiB
C#
93 lines
2.8 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
|
|
// See the LICENCE file in the repository root for full licence text.
|
|
|
|
using osuTK;
|
|
using osu.Game.Beatmaps;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using osu.Game.Replays;
|
|
using osu.Game.Rulesets.Osu.UI;
|
|
using osu.Game.Rulesets.Replays;
|
|
|
|
namespace osu.Game.Rulesets.Osu.Replays
|
|
{
|
|
public abstract class OsuAutoGeneratorBase : AutoGenerator
|
|
{
|
|
#region Constants
|
|
|
|
/// <summary>
|
|
/// Constants (for spinners).
|
|
/// </summary>
|
|
protected static readonly Vector2 SPINNER_CENTRE = OsuPlayfield.BASE_SIZE / 2;
|
|
|
|
protected const float SPIN_RADIUS = 50;
|
|
|
|
/// <summary>
|
|
/// The time in ms between each ReplayFrame.
|
|
/// </summary>
|
|
protected readonly double FrameDelay;
|
|
|
|
#endregion
|
|
|
|
#region Construction / Initialisation
|
|
|
|
protected Replay Replay;
|
|
protected List<ReplayFrame> Frames => Replay.Frames;
|
|
|
|
protected OsuAutoGeneratorBase(IBeatmap beatmap)
|
|
: base(beatmap)
|
|
{
|
|
Replay = new Replay();
|
|
|
|
// We are using ApplyModsToRate and not ApplyModsToTime to counteract the speed up / slow down from HalfTime / DoubleTime so that we remain at a constant framerate of 60 fps.
|
|
FrameDelay = ApplyModsToRate(1000.0 / 60.0);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Utilities
|
|
|
|
protected double ApplyModsToTime(double v) => v;
|
|
protected double ApplyModsToRate(double v) => v;
|
|
|
|
private class ReplayFrameComparer : IComparer<ReplayFrame>
|
|
{
|
|
public int Compare(ReplayFrame f1, ReplayFrame f2)
|
|
{
|
|
if (f1 == null) throw new ArgumentNullException(nameof(f1));
|
|
if (f2 == null) throw new ArgumentNullException(nameof(f2));
|
|
|
|
return f1.Time.CompareTo(f2.Time);
|
|
}
|
|
}
|
|
|
|
private static readonly IComparer<ReplayFrame> replay_frame_comparer = new ReplayFrameComparer();
|
|
|
|
protected int FindInsertionIndex(ReplayFrame frame)
|
|
{
|
|
int index = Frames.BinarySearch(frame, replay_frame_comparer);
|
|
|
|
if (index < 0)
|
|
{
|
|
index = ~index;
|
|
}
|
|
else
|
|
{
|
|
// Go to the first index which is actually bigger
|
|
while (index < Frames.Count && frame.Time == Frames[index].Time)
|
|
{
|
|
++index;
|
|
}
|
|
}
|
|
|
|
return index;
|
|
}
|
|
|
|
protected void AddFrameToReplay(ReplayFrame frame) => Frames.Insert(FindInsertionIndex(frame), frame);
|
|
|
|
protected static Vector2 CirclePosition(double t, double radius) => new Vector2((float)(Math.Cos(t) * radius), (float)(Math.Sin(t) * radius));
|
|
|
|
#endregion
|
|
}
|
|
}
|