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g0v0-server/app/calculator.py
2025-07-29 02:56:21 +00:00

60 lines
1.9 KiB
Python

from __future__ import annotations
from app.database.score import Score
from app.models.beatmap import BeatmapAttributes
from app.models.mods import APIMod
from app.models.score import GameMode
import rosu_pp_py as rosu
def calculate_beatmap_attribute(
beatmap: str,
gamemode: GameMode | None = None,
mods: int | list[APIMod] | list[str] = 0,
) -> BeatmapAttributes:
map = rosu.Beatmap(content=beatmap)
if gamemode is not None:
map.convert(gamemode.to_rosu(), mods) # pyright: ignore[reportArgumentType]
diff = rosu.Difficulty(mods=mods).calculate(map)
return BeatmapAttributes(
star_rating=diff.stars,
max_combo=diff.max_combo,
aim_difficulty=diff.aim,
aim_difficult_slider_count=diff.aim_difficult_slider_count,
speed_difficulty=diff.speed,
speed_note_count=diff.speed_note_count,
slider_factor=diff.slider_factor,
aim_difficult_strain_count=diff.aim_difficult_strain_count,
speed_difficult_strain_count=diff.speed_difficult_strain_count,
mono_stamina_factor=diff.stamina,
)
def calculate_pp(
score: Score,
beatmap: str,
) -> float:
map = rosu.Beatmap(content=beatmap)
map.convert(score.gamemode.to_rosu(), score.mods) # pyright: ignore[reportArgumentType]
if map.is_suspicious():
return 0.0
perf = rosu.Performance(
mods=score.mods,
lazer=True,
accuracy=score.accuracy,
combo=score.max_combo,
large_tick_hits=score.nlarge_tick_hit or 0,
slider_end_hits=score.nslider_tail_hit or 0,
small_tick_hits=score.nsmall_tick_hit or 0,
n_geki=score.ngeki,
n_katu=score.nkatu,
n300=score.n300,
n100=score.n100,
n50=score.n50,
misses=score.nmiss,
hitresult_priority=rosu.HitResultPriority.Fastest,
)
attrs = perf.calculate(map)
return attrs.pp