mirror of
https://github.com/ppy/osu.git
synced 2024-12-15 15:53:21 +08:00
103 lines
3.3 KiB
C#
103 lines
3.3 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 System.Collections.Generic;
|
|
using System.Linq;
|
|
using osu.Game.Replays;
|
|
using osu.Game.Rulesets.Mania.Beatmaps;
|
|
using osu.Game.Rulesets.Objects.Types;
|
|
using osu.Game.Rulesets.Replays;
|
|
|
|
namespace osu.Game.Rulesets.Mania.Replays
|
|
{
|
|
internal class ManiaAutoGenerator : AutoGenerator
|
|
{
|
|
public const double RELEASE_DELAY = 20;
|
|
|
|
public new ManiaBeatmap Beatmap => (ManiaBeatmap)base.Beatmap;
|
|
|
|
private readonly ManiaAction[] columnActions;
|
|
|
|
public ManiaAutoGenerator(ManiaBeatmap beatmap)
|
|
: base(beatmap)
|
|
{
|
|
Replay = new Replay();
|
|
|
|
columnActions = new ManiaAction[Beatmap.TotalColumns];
|
|
|
|
var normalAction = ManiaAction.Key1;
|
|
var specialAction = ManiaAction.Special1;
|
|
int totalCounter = 0;
|
|
foreach (var stage in Beatmap.Stages)
|
|
{
|
|
for (int i = 0; i < stage.Columns; i++)
|
|
{
|
|
if (stage.IsSpecialColumn(i))
|
|
columnActions[totalCounter] = specialAction++;
|
|
else
|
|
columnActions[totalCounter] = normalAction++;
|
|
totalCounter++;
|
|
}
|
|
}
|
|
}
|
|
|
|
protected Replay Replay;
|
|
|
|
public override Replay Generate()
|
|
{
|
|
// Todo: Realistically this shouldn't be needed, but the first frame is skipped with the way replays are currently handled
|
|
Replay.Frames.Add(new ManiaReplayFrame(-100000, 0));
|
|
|
|
var pointGroups = generateActionPoints().GroupBy(a => a.Time).OrderBy(g => g.First().Time);
|
|
|
|
var actions = new List<ManiaAction>();
|
|
foreach (var group in pointGroups)
|
|
{
|
|
foreach (var point in group)
|
|
{
|
|
switch (point)
|
|
{
|
|
case HitPoint _:
|
|
actions.Add(columnActions[point.Column]);
|
|
break;
|
|
case ReleasePoint _:
|
|
actions.Remove(columnActions[point.Column]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
Replay.Frames.Add(new ManiaReplayFrame(group.First().Time, actions.ToArray()));
|
|
}
|
|
|
|
return Replay;
|
|
}
|
|
|
|
private IEnumerable<IActionPoint> generateActionPoints()
|
|
{
|
|
foreach (var obj in Beatmap.HitObjects)
|
|
{
|
|
yield return new HitPoint { Time = obj.StartTime, Column = obj.Column };
|
|
yield return new ReleasePoint { Time = ((obj as IHasEndTime)?.EndTime ?? obj.StartTime) + RELEASE_DELAY, Column = obj.Column };
|
|
}
|
|
}
|
|
|
|
private interface IActionPoint
|
|
{
|
|
double Time { get; set; }
|
|
int Column { get; set; }
|
|
}
|
|
|
|
private struct HitPoint : IActionPoint
|
|
{
|
|
public double Time { get; set; }
|
|
public int Column { get; set; }
|
|
}
|
|
|
|
private struct ReleasePoint : IActionPoint
|
|
{
|
|
public double Time { get; set; }
|
|
public int Column { get; set; }
|
|
}
|
|
}
|
|
}
|