osu/osu.Game/Modes/Objects/LegacyHitObjectParser.cs

120 lines
4.4 KiB
C#

// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using OpenTK;
using osu.Game.Beatmaps.Samples;
using osu.Game.Modes.Objects.Types;
using System;
using System.Collections.Generic;
using System.Globalization;
using osu.Game.Modes.Objects.Legacy;
namespace osu.Game.Modes.Objects
{
internal class LegacyHitObjectParser : HitObjectParser
{
public override HitObject Parse(string text)
{
string[] split = text.Split(',');
var type = (LegacyHitObjectType)int.Parse(split[3]) & ~LegacyHitObjectType.ColourHax;
bool combo = type.HasFlag(LegacyHitObjectType.NewCombo);
type &= ~LegacyHitObjectType.NewCombo;
HitObject result;
if ((type & LegacyHitObjectType.Circle) > 0)
{
result = new LegacyHit
{
Position = new Vector2(int.Parse(split[0]), int.Parse(split[1])),
NewCombo = combo
};
}
else if ((type & LegacyHitObjectType.Slider) > 0)
{
CurveType curveType = CurveType.Catmull;
double length = 0;
List<Vector2> points = new List<Vector2> { new Vector2(int.Parse(split[0]), int.Parse(split[1])) };
string[] pointsplit = split[5].Split('|');
foreach (string t in pointsplit)
{
if (t.Length == 1)
{
switch (t)
{
case @"C":
curveType = CurveType.Catmull;
break;
case @"B":
curveType = CurveType.Bezier;
break;
case @"L":
curveType = CurveType.Linear;
break;
case @"P":
curveType = CurveType.PerfectCurve;
break;
}
continue;
}
string[] temp = t.Split(':');
Vector2 v = new Vector2(
(int)Convert.ToDouble(temp[0], CultureInfo.InvariantCulture),
(int)Convert.ToDouble(temp[1], CultureInfo.InvariantCulture)
);
points.Add(v);
}
int repeatCount = Convert.ToInt32(split[6], CultureInfo.InvariantCulture);
if (repeatCount > 9000)
throw new ArgumentOutOfRangeException(nameof(repeatCount), @"Repeat count is way too high");
if (split.Length > 7)
length = Convert.ToDouble(split[7], CultureInfo.InvariantCulture);
result = new LegacySlider
{
ControlPoints = points,
Distance = length,
CurveType = curveType,
RepeatCount = repeatCount,
Position = new Vector2(int.Parse(split[0]), int.Parse(split[1])),
NewCombo = combo
};
}
else if ((type & LegacyHitObjectType.Spinner) > 0)
{
result = new LegacySpinner
{
EndTime = Convert.ToDouble(split[5], CultureInfo.InvariantCulture)
};
}
else if ((type & LegacyHitObjectType.Hold) > 0)
{
// Note: Hold is generated by BMS converts
result = new LegacyHold
{
Position = new Vector2(int.Parse(split[0]), int.Parse(split[1])),
NewCombo = combo
};
}
else
throw new InvalidOperationException($@"Unknown hit object type {type}");
result.StartTime = Convert.ToDouble(split[2], CultureInfo.InvariantCulture);
result.Sample = new HitSampleInfo
{
Type = (SampleType)int.Parse(split[4]),
Set = SampleSet.Soft,
};
// TODO: "addition" field
return result;
}
}
}