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So there are some mods in a game called osu and when I call the api for any plays I get back a sum of the mod's number (like 72). However, I can't think of any way to convert that back to the original enum names.

I tried this way: (Mods)enabled_mods, but this only turned back the number.

 enum Mods { None = 0, NoFail = 1, Easy = 2, TouchDevice = 4, Hidden = 8, HardRock = 16, SuddenDeath = 32, DoubleTime = 64, Relax = 128, HalfTime = 256, Nightcore = 512, // Only set along with DoubleTime. i.e: NC only gives 576 Flashlight = 1024, Autoplay = 2048, SpunOut = 4096, Relax2 = 8192, // Autopilot Perfect = 16384, // Only set along with SuddenDeath. i.e: PF only gives 16416 Key4 = 32768, Key5 = 65536, Key6 = 131072, Key7 = 262144, Key8 = 524288, FadeIn = 1048576, Random = 2097152, Cinema = 4194304, Target = 8388608, Key9 = 16777216, KeyCoop = 33554432, Key1 = 67108864, Key3 = 134217728, Key2 = 268435456, ScoreV2 = 536870912, LastMod = 1073741824, KeyMod = Key1 | Key2 | Key3 | Key4 | Key5 | Key6 | Key7 | Key8 | Key9 | KeyCoop, FreeModAllowed = NoFail | Easy | Hidden | HardRock | SuddenDeath | Flashlight | FadeIn | Relax | Relax2 | SpunOut | KeyMod, ScoreIncreaseMods = Hidden | HardRock | DoubleTime | Flashlight | FadeIn }

I want to get the name of the values that has been summed, like if I have 72 I should get HiddenDoubleTime.

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  • Sounds like a bitmask to me. There is a good Q&A at this question that is worth checking out. Commented Aug 20, 2019 at 13:23

1 Answer 1

Reset to default
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Here's one way you could do this:

Mods selectedMods = (Mods)72; var individualMods = Enum .GetValues(typeof(Mods)) .Cast<Mods>() .Where(mod => selectedMods.HasFlag(mod) && mod != Mods.None) .ToList();
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Adding to this: OP may want the string to be concatenated as 'HiddenDoubleTime', in which case I would add this string.Concat(individualMods)
Thank you very much! I couldn't have done this with my level of knowledge!