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Fix possible invalid cast when generating mania patterns

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This commit is contained in:
smoogipoo 2017-11-27 18:39:13 +09:00
parent 90e1f16645
commit 2c53be7853
1 changed files with 2 additions and 2 deletions
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4
osu.Game.Rulesets.Mania/Beatmaps/ManiaBeatmapConverter.cs
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@ -138,8 +138,8 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
Pattern newPattern = conversion.Generate();
lastPattern = newPattern;
var stairPatternGenerator = (HitObjectPatternGenerator)conversion;
lastStair = stairPatternGenerator.StairType;
var stairPatternGenerator = conversion as HitObjectPatternGenerator;
lastStair = stairPatternGenerator?.StairType ?? lastStair;
return newPattern.HitObjects;
}