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Merge pull request #2167 from smoogipoo/fix-taiko-conversion

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Fix incorrect slider-to-drumroll conversions in taiko
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Dean Herbert 2018-03-06 01:52:22 +09:00 committed by GitHub
commit a6460832f4
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GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 130 additions and 12 deletions
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10
osu.Game.Rulesets.Taiko/Beatmaps/TaikoBeatmapConverter.cs
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@ -101,16 +101,16 @@ namespace osu.Game.Rulesets.Taiko.Beatmaps
// The duration of the taiko hit object
double taikoDuration = distance / taikoVelocity;
// For some reason, old osu! always uses speedAdjustment to determine the taiko velocity, but
// only uses it to determine osu! velocity if beatmap version < 8. Let's account for that here.
if (beatmap.BeatmapInfo.BeatmapVersion >= 8)
speedAdjustedBeatLength *= speedAdjustment;
// The velocity of the osu! hit object - calculated as the velocity of a slider
double osuVelocity = osu_base_scoring_distance * beatmap.BeatmapInfo.BaseDifficulty.SliderMultiplier * legacy_velocity_multiplier / 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);

87
osu.Game.Rulesets.Taiko/Resources/Testing/Beatmaps/slider-generating-drumroll-expected-conversion.json Normal file
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@ -0,0 +1,87 @@
{
"Mappings": [{
"StartTime": 6590,
"Objects": [{
"StartTime": 6590,
"EndTime": 8320,
"IsRim": false,
"IsCentre": false,
"IsDrumRoll": true,
"IsSwell": false,
"IsStrong": false
}]
},
{
"StartTime": 8436,
"Objects": [{
"StartTime": 8436,
"EndTime": 10166,
"IsRim": false,
"IsCentre": false,
"IsDrumRoll": true,
"IsSwell": false,
"IsStrong": false
}]
},
{
"StartTime": 10282,
"Objects": [{
"StartTime": 10282,
"EndTime": 12012,
"IsRim": false,
"IsCentre": false,
"IsDrumRoll": true,
"IsSwell": false,
"IsStrong": false
}]
},
{
"StartTime": 12128,
"Objects": [{
"StartTime": 12128,
"EndTime": 13858,
"IsRim": false,
"IsCentre": false,
"IsDrumRoll": true,
"IsSwell": false,
"IsStrong": false
}]
},
{
"StartTime": 41666,
"Objects": [{
"StartTime": 41666,
"EndTime": 42589,
"IsRim": false,
"IsCentre": false,
"IsDrumRoll": true,
"IsSwell": false,
"IsStrong": false
}]
},
{
"StartTime": 62666,
"Objects": [{
"StartTime": 62666,
"EndTime": 63127,
"IsRim": false,
"IsCentre": false,
"IsDrumRoll": true,
"IsSwell": false,
"IsStrong": false
}]
},
{
"StartTime": 208743,
"Objects": [{
"StartTime": 208743,
"EndTime": 209204,
"IsRim": false,
"IsCentre": false,
"IsDrumRoll": true,
"IsSwell": false,
"IsStrong": false
}]
}
]
}

25
osu.Game.Rulesets.Taiko/Resources/Testing/Beatmaps/slider-generating-drumroll.osu Normal file
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@ -0,0 +1,25 @@
osu file format v14
[Difficulty]
HPDrainRate:6
CircleSize:4.2
OverallDifficulty:9
ApproachRate:9.8
SliderMultiplier:1.87
SliderTickRate:1
[TimingPoints]
6590,461.538461538462,4,2,2,15,1,0
6590,-200,4,2,2,15,0,0
49051,230.769230769231,4,2,1,15,1,0
62666,-200,4,2,1,60,0,0
197666,-100,4,2,1,85,0,1
[HitObjects]
88,104,6590,6,0,B|176:156|256:108|256:108|336:60|423:112,1,350.625,6|0,0:0|0:0,0:0:0:0:
396,213,8436,2,0,P|277:247|376:172,1,350.625,6|0,0:0|0:0,0:0:0:0:
472,220,10282,2,0,P|456:288|220:300,1,350.625,6|0,0:0|0:0,0:0:0:0:
277,200,12128,2,0,P|398:225|276:244,1,350.625,6|0,0:0|0:0,0:0:0:0:
268,229,41666,2,0,L|473:210,1,187,2|2,0:0|0:0,0:0:0:0:
133,342,62666,2,0,B|132:316|132:316|128:316|128:316|130:295|130:295|126:296|126:296|129:275|129:275|125:275|125:275|127:254|127:254|123:255|123:255|125:234|125:234|121:234|121:234|123:213|123:213|119:214|119:214|121:193|121:193|118:193|118:193|118:172,1,187,8|8,0:0|0:0,0:0:0:0:
481,338,208743,6,0,P|492:262|383:195,2,187,2|8|2,0:0|0:0|0:0,0:0:0:0:

1
osu.Game.Rulesets.Taiko/Tests/TaikoBeatmapConversionTest.cs
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@ -22,6 +22,7 @@ namespace osu.Game.Rulesets.Taiko.Tests
[NonParallelizable]
[TestCase("basic", false), Ignore("See: https://github.com/ppy/osu/issues/2152")]
[TestCase("slider-generating-drumroll", false)]
public void Test(string name, bool isForCurrentRuleset)
{
this.isForCurrentRuleset = isForCurrentRuleset;

2
osu.Game.Rulesets.Taiko/osu.Game.Rulesets.Taiko.csproj
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@ -149,6 +149,8 @@
<ItemGroup>
<EmbeddedResource Include="Resources\Testing\Beatmaps\basic-expected-conversion.json" />
<EmbeddedResource Include="Resources\Testing\Beatmaps\basic.osu" />
<EmbeddedResource Include="Resources\Testing\Beatmaps\slider-generating-drumroll-expected-conversion.json" />
<EmbeddedResource Include="Resources\Testing\Beatmaps\slider-generating-drumroll.osu" />
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
<Import Project="$(SolutionDir)\packages\SQLitePCLRaw.lib.e_sqlite3.linux.1.1.8\build\net35\SQLitePCLRaw.lib.e_sqlite3.linux.targets" Condition="Exists('$(SolutionDir)\packages\SQLitePCLRaw.lib.e_sqlite3.linux.1.1.8\build\net35\SQLitePCLRaw.lib.e_sqlite3.linux.targets')" />

2
osu.Game.Tests/Beatmaps/Formats/LegacyBeatmapDecoderTest.cs
View File

@ -102,7 +102,7 @@ namespace osu.Game.Tests.Beatmaps.Formats
Assert.AreEqual(4, difficulty.CircleSize);
Assert.AreEqual(8, difficulty.OverallDifficulty);
Assert.AreEqual(9, difficulty.ApproachRate);
Assert.AreEqual(1.8f, difficulty.SliderMultiplier);
Assert.AreEqual(1.8, difficulty.SliderMultiplier);
Assert.AreEqual(2, difficulty.SliderTickRate);
}
}

2
osu.Game.Tests/Beatmaps/Formats/OsuJsonDecoderTest.cs
View File

@ -85,7 +85,7 @@ namespace osu.Game.Tests.Beatmaps.Formats
Assert.AreEqual(4, difficulty.CircleSize);
Assert.AreEqual(8, difficulty.OverallDifficulty);
Assert.AreEqual(9, difficulty.ApproachRate);
Assert.AreEqual(1.8f, difficulty.SliderMultiplier);
Assert.AreEqual(1.8, difficulty.SliderMultiplier);
Assert.AreEqual(2, difficulty.SliderTickRate);
}

4
osu.Game/Beatmaps/BeatmapDifficulty.cs
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@ -29,8 +29,8 @@ namespace osu.Game.Beatmaps
set => approachRate = value;
}
public float SliderMultiplier { get; set; } = 1;
public float SliderTickRate { get; set; } = 1;
public double SliderMultiplier { get; set; } = 1;
public double SliderTickRate { get; set; } = 1;
/// <summary>
/// Maps a difficulty value [0, 10] to a two-piece linear range of values.

4
osu.Game/Beatmaps/Formats/LegacyBeatmapDecoder.cs
View File

@ -249,10 +249,10 @@ namespace osu.Game.Beatmaps.Formats
difficulty.ApproachRate = float.Parse(pair.Value, NumberFormatInfo.InvariantInfo);
break;
case @"SliderMultiplier":
difficulty.SliderMultiplier = float.Parse(pair.Value, NumberFormatInfo.InvariantInfo);
difficulty.SliderMultiplier = double.Parse(pair.Value, NumberFormatInfo.InvariantInfo);
break;
case @"SliderTickRate":
difficulty.SliderTickRate = float.Parse(pair.Value, NumberFormatInfo.InvariantInfo);
difficulty.SliderTickRate = double.Parse(pair.Value, NumberFormatInfo.InvariantInfo);
break;
}
}

5
osu.Game/Tests/Beatmaps/BeatmapConversionTest.cs
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@ -109,10 +109,13 @@ namespace osu.Game.Tests.Beatmaps
private Beatmap getBeatmap(string name)
{
var decoder = new LegacyBeatmapDecoder { ApplyOffsets = false };
using (var resStream = openResource($"{resource_namespace}.{name}.osu"))
using (var stream = new StreamReader(resStream))
{
var decoder = Decoder.GetDecoder(stream);
((LegacyBeatmapDecoder)decoder).ApplyOffsets = false;
return decoder.DecodeBeatmap(stream);
}
}
private Stream openResource(string name)