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Use pattern matching.

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Huo Yaoyuan
2019-11-12 18:16:51 +08:00
parent 7d7b9e36b2
commit e5e8e70704
13 changed files with 348 additions and 348 deletions
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206
osu.Game.Rulesets.Taiko/Beatmaps/TaikoBeatmapConverter.cs
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@ -73,127 +73,133 @@ namespace osu.Game.Rulesets.Taiko.Beatmaps
protected override IEnumerable<TaikoHitObject> ConvertHitObject(HitObject obj, IBeatmap beatmap)
{
var distanceData = obj as IHasDistance;
var repeatsData = obj as IHasRepeats;
var endTimeData = obj as IHasEndTime;
var curveData = obj as IHasCurve;
// Old osu! used hit sounding to determine various hit type information
IList<HitSampleInfo> samples = obj.Samples;
bool strong = samples.Any(s => s.Name == HitSampleInfo.HIT_FINISH);
if (distanceData != null)
switch (obj)
{
// Number of spans of the object - one for the initial length and for each repeat
int spans = repeatsData?.SpanCount() ?? 1;
TimingControlPoint timingPoint = beatmap.ControlPointInfo.TimingPointAt(obj.StartTime);
DifficultyControlPoint difficultyPoint = beatmap.ControlPointInfo.DifficultyPointAt(obj.StartTime);
double speedAdjustment = difficultyPoint.SpeedMultiplier;
double speedAdjustedBeatLength = timingPoint.BeatLength / speedAdjustment;
// The true distance, accounting for any repeats. This ends up being the drum roll distance later
double distance = distanceData.Distance * spans * legacy_velocity_multiplier;
// The velocity of the taiko hit object - calculated as the velocity of a drum roll
double taikoVelocity = taiko_base_distance * beatmap.BeatmapInfo.BaseDifficulty.SliderMultiplier / speedAdjustedBeatLength;
// The duration of the taiko hit object
double taikoDuration = distance / taikoVelocity;
// The velocity of the osu! hit object - calculated as the velocity of a slider
double osuVelocity = osu_base_scoring_distance * beatmap.BeatmapInfo.BaseDifficulty.SliderMultiplier / speedAdjustedBeatLength;
// The duration of the osu! hit object
double osuDuration = distance / osuVelocity;
// osu-stable always uses the speed-adjusted beatlength to determine the velocities, but
// only uses it for tick rate if beatmap version < 8
if (beatmap.BeatmapInfo.BeatmapVersion >= 8)
speedAdjustedBeatLength *= speedAdjustment;
// If the drum roll is to be split into hit circles, assume the ticks are 1/8 spaced within the duration of one beat
double tickSpacing = Math.Min(speedAdjustedBeatLength / beatmap.BeatmapInfo.BaseDifficulty.SliderTickRate, taikoDuration / spans);
if (!isForCurrentRuleset && tickSpacing > 0 && osuDuration < 2 * speedAdjustedBeatLength)
case IHasDistance distanceData:
{
List<IList<HitSampleInfo>> allSamples = curveData != null ? curveData.NodeSamples : new List<IList<HitSampleInfo>>(new[] { samples });
// Number of spans of the object - one for the initial length and for each repeat
int spans = (obj as IHasRepeats)?.SpanCount() ?? 1;
int i = 0;
TimingControlPoint timingPoint = beatmap.ControlPointInfo.TimingPointAt(obj.StartTime);
DifficultyControlPoint difficultyPoint = beatmap.ControlPointInfo.DifficultyPointAt(obj.StartTime);
for (double j = obj.StartTime; j <= obj.StartTime + taikoDuration + tickSpacing / 8; j += tickSpacing)
double speedAdjustment = difficultyPoint.SpeedMultiplier;
double speedAdjustedBeatLength = timingPoint.BeatLength / speedAdjustment;
// The true distance, accounting for any repeats. This ends up being the drum roll distance later
double distance = distanceData.Distance * spans * legacy_velocity_multiplier;
// The velocity of the taiko hit object - calculated as the velocity of a drum roll
double taikoVelocity = taiko_base_distance * beatmap.BeatmapInfo.BaseDifficulty.SliderMultiplier / speedAdjustedBeatLength;
// The duration of the taiko hit object
double taikoDuration = distance / taikoVelocity;
// The velocity of the osu! hit object - calculated as the velocity of a slider
double osuVelocity = osu_base_scoring_distance * beatmap.BeatmapInfo.BaseDifficulty.SliderMultiplier / speedAdjustedBeatLength;
// The duration of the osu! hit object
double osuDuration = distance / osuVelocity;
// osu-stable always uses the speed-adjusted beatlength to determine the velocities, but
// only uses it for tick rate if beatmap version < 8
if (beatmap.BeatmapInfo.BeatmapVersion >= 8)
speedAdjustedBeatLength *= speedAdjustment;
// If the drum roll is to be split into hit circles, assume the ticks are 1/8 spaced within the duration of one beat
double tickSpacing = Math.Min(speedAdjustedBeatLength / beatmap.BeatmapInfo.BaseDifficulty.SliderTickRate, taikoDuration / spans);
if (!isForCurrentRuleset && tickSpacing > 0 && osuDuration < 2 * speedAdjustedBeatLength)
{
IList<HitSampleInfo> currentSamples = allSamples[i];
bool isRim = currentSamples.Any(s => s.Name == HitSampleInfo.HIT_CLAP || s.Name == HitSampleInfo.HIT_WHISTLE);
strong = currentSamples.Any(s => s.Name == HitSampleInfo.HIT_FINISH);
List<IList<HitSampleInfo>> allSamples = obj is IHasCurve curveData ? curveData.NodeSamples : new List<IList<HitSampleInfo>>(new[] { samples });
if (isRim)
{
yield return new RimHit
{
StartTime = j,
Samples = currentSamples,
IsStrong = strong
};
}
else
{
yield return new CentreHit
{
StartTime = j,
Samples = currentSamples,
IsStrong = strong
};
}
int i = 0;
i = (i + 1) % allSamples.Count;
for (double j = obj.StartTime; j <= obj.StartTime + taikoDuration + tickSpacing / 8; j += tickSpacing)
{
IList<HitSampleInfo> currentSamples = allSamples[i];
bool isRim = currentSamples.Any(s => s.Name == HitSampleInfo.HIT_CLAP || s.Name == HitSampleInfo.HIT_WHISTLE);
strong = currentSamples.Any(s => s.Name == HitSampleInfo.HIT_FINISH);
if (isRim)
{
yield return new RimHit
{
StartTime = j,
Samples = currentSamples,
IsStrong = strong
};
}
else
{
yield return new CentreHit
{
StartTime = j,
Samples = currentSamples,
IsStrong = strong
};
}
i = (i + 1) % allSamples.Count;
}
}
}
else
{
yield return new DrumRoll
else
{
StartTime = obj.StartTime,
Samples = obj.Samples,
IsStrong = strong,
Duration = taikoDuration,
TickRate = beatmap.BeatmapInfo.BaseDifficulty.SliderTickRate == 3 ? 3 : 4
};
}
}
else if (endTimeData != null)
{
double hitMultiplier = BeatmapDifficulty.DifficultyRange(beatmap.BeatmapInfo.BaseDifficulty.OverallDifficulty, 3, 5, 7.5) * swell_hit_multiplier;
yield return new DrumRoll
{
StartTime = obj.StartTime,
Samples = obj.Samples,
IsStrong = strong,
Duration = taikoDuration,
TickRate = beatmap.BeatmapInfo.BaseDifficulty.SliderTickRate == 3 ? 3 : 4
};
}
yield return new Swell
{
StartTime = obj.StartTime,
Samples = obj.Samples,
Duration = endTimeData.Duration,
RequiredHits = (int)Math.Max(1, endTimeData.Duration / 1000 * hitMultiplier)
};
}
else
{
bool isRim = samples.Any(s => s.Name == HitSampleInfo.HIT_CLAP || s.Name == HitSampleInfo.HIT_WHISTLE);
if (isRim)
{
yield return new RimHit
{
StartTime = obj.StartTime,
Samples = obj.Samples,
IsStrong = strong
};
break;
}
else
case IHasEndTime endTimeData:
{
yield return new CentreHit
double hitMultiplier = BeatmapDifficulty.DifficultyRange(beatmap.BeatmapInfo.BaseDifficulty.OverallDifficulty, 3, 5, 7.5) * swell_hit_multiplier;
yield return new Swell
{
StartTime = obj.StartTime,
Samples = obj.Samples,
IsStrong = strong
Duration = endTimeData.Duration,
RequiredHits = (int)Math.Max(1, endTimeData.Duration / 1000 * hitMultiplier)
};
break;
}
default:
{
bool isRim = samples.Any(s => s.Name == HitSampleInfo.HIT_CLAP || s.Name == HitSampleInfo.HIT_WHISTLE);
if (isRim)
{
yield return new RimHit
{
StartTime = obj.StartTime,
Samples = obj.Samples,
IsStrong = strong
};
}
else
{
yield return new CentreHit
{
StartTime = obj.StartTime,
Samples = obj.Samples,
IsStrong = strong
};
}
break;
}
}
}