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Renamings + comments.

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smoogipooo 2017-04-03 20:32:03 +09:00
parent 15db37d9e0
commit 5cb16f6e7c
1 changed files with 26 additions and 13 deletions
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39
osu.Game.Modes.Taiko/Beatmaps/TaikoBeatmapConverter.cs
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@ -15,14 +15,27 @@ namespace osu.Game.Modes.Taiko.Beatmaps
{
internal class TaikoBeatmapConverter : IBeatmapConverter<TaikoHitObject>
{
private const float legacy_velocity_scale = 1.4f;
private const float bash_convert_factor = 1.65f;
private const float base_scoring_distance = 100;
/// <summary>
/// osu! is generally slower than taiko, so a factor is added to increase
/// speed. This must be used everywhere slider length or beat length is used.
/// </summary>
private const float legacy_velocity_multiplier = 1.4f;
/// <summary>
/// Because swells are easier in taiko than spinners are in osu!,
/// legacy taiko multiplies a factor when converting the number of required hits.
/// </summary>
private const float swell_hit_multiplier = 1.65f;
/// <summary>
/// Base osu! slider scoring distance.
/// </summary>
private const float osu_base_scoring_distance = 100;
/// <summary>
/// Drum roll distance that results in a duration of 1 speed-adjusted beat length.
/// </summary>
private const float base_distance = 100;
private const float taiko_base_distance = 100;
public Beatmap<TaikoHitObject> Convert(Beatmap original)
{
@ -56,10 +69,10 @@ namespace osu.Game.Modes.Taiko.Beatmaps
double speedAdjustedBeatLength = beatmap.TimingInfo.BeatLengthAt(obj.StartTime) * speedAdjustment;
// The true distance, accounting for any repeats. This ends up being the drum roll distance later
double distance = distanceData.Distance * repeats * legacy_velocity_scale;
double distance = distanceData.Distance * repeats * legacy_velocity_multiplier;
// The velocity of the taiko hit object - calculated as the velocity of a drum roll
double taikoVelocity = base_distance * beatmap.BeatmapInfo.Difficulty.SliderMultiplier / speedAdjustedBeatLength * legacy_velocity_scale;
double taikoVelocity = taiko_base_distance * beatmap.BeatmapInfo.Difficulty.SliderMultiplier / speedAdjustedBeatLength * legacy_velocity_multiplier;
// The duration of the taiko hit object
double taikoDuration = distance / taikoVelocity;
@ -69,7 +82,7 @@ namespace osu.Game.Modes.Taiko.Beatmaps
speedAdjustedBeatLength /= speedAdjustment;
// The velocity of the osu! hit object - calculated as the velocity of a slider
double osuVelocity = base_scoring_distance * beatmap.BeatmapInfo.Difficulty.SliderMultiplier / speedAdjustedBeatLength * legacy_velocity_scale;
double osuVelocity = osu_base_scoring_distance * beatmap.BeatmapInfo.Difficulty.SliderMultiplier / speedAdjustedBeatLength * legacy_velocity_multiplier;
// The duration of the osu! hit object
double osuDuration = distance / osuVelocity;
@ -87,7 +100,7 @@ namespace osu.Game.Modes.Taiko.Beatmaps
StartTime = j,
Sample = obj.Sample,
IsStrong = strong,
VelocityMultiplier = legacy_velocity_scale
VelocityMultiplier = legacy_velocity_multiplier
};
}
}
@ -100,13 +113,13 @@ namespace osu.Game.Modes.Taiko.Beatmaps
IsStrong = strong,
Distance = distance,
TickRate = beatmap.BeatmapInfo.Difficulty.SliderTickRate == 3 ? 3 : 4,
VelocityMultiplier = legacy_velocity_scale
VelocityMultiplier = legacy_velocity_multiplier
};
}
}
else if (endTimeData != null)
{
double hitMultiplier = BeatmapDifficulty.DifficultyRange(beatmap.BeatmapInfo.Difficulty.OverallDifficulty, 3, 5, 7.5) * bash_convert_factor;
double hitMultiplier = BeatmapDifficulty.DifficultyRange(beatmap.BeatmapInfo.Difficulty.OverallDifficulty, 3, 5, 7.5) * swell_hit_multiplier;
yield return new Swell
{
@ -115,7 +128,7 @@ namespace osu.Game.Modes.Taiko.Beatmaps
IsStrong = strong,
EndTime = endTimeData.EndTime,
RequiredHits = (int)Math.Max(1, endTimeData.Duration / 1000 * hitMultiplier),
VelocityMultiplier = legacy_velocity_scale
VelocityMultiplier = legacy_velocity_multiplier
};
}
else
@ -129,7 +142,7 @@ namespace osu.Game.Modes.Taiko.Beatmaps
StartTime = obj.StartTime,
Sample = obj.Sample,
IsStrong = strong,
VelocityMultiplier = legacy_velocity_scale
VelocityMultiplier = legacy_velocity_multiplier
};
}
else
@ -139,7 +152,7 @@ namespace osu.Game.Modes.Taiko.Beatmaps
StartTime = obj.StartTime,
Sample = obj.Sample,
IsStrong = strong,
VelocityMultiplier = legacy_velocity_scale
VelocityMultiplier = legacy_velocity_multiplier
};
}
}