FastRandom
LegacyRandom
osu.Game
Change IHasRepeats.NodeSamples to IList from List
var
BaseDifficulty
Beatmap<T>
BeatmapDifficulty
IBeatmapDifficultyInfo
PatternGenerator.isValid
EffectControlPoint
DifficultyPointAt
MathF-functions are faster than the Math-counterpart and it looks cleaner, so use MathF when we cast to float or int anyway.