fix(statistics): fix levels

2025-08-13 10:37:51 +00:00
parent 46746f5b71
commit 7a6a548a65
4 changed files with 203 additions and 17 deletions
--- a/app/calculator.py
+++ b/app/calculator.py
@@ -79,21 +79,152 @@ def calculate_pp(


 # https://osu.ppy.sh/wiki/Gameplay/Score/Total_score
-def calculate_level_to_score(level: int) -> float:
-    if level <= 100:
-        # 55 = 4^3 - 3^2
-        return 5000 / 3 * (55 - level) + 1.25 * math.pow(1.8, level - 60)
+def calculate_level_to_score(n: int) -> float:
+    if n <= 100:
+        return 5000 / 3 * (4 * n**3 - 3 * n**2 - n) + 1.25 * 1.8 ** (n - 60)
    else:
-        return 26_931_190_827 + 99_999_999_999 * (level - 100)
+        return 26931190827 + 99999999999 * (n - 100)


-def calculate_score_to_level(score: float) -> int:
-    if score < 5000:
-        return int(55 - (3 * score / 5000))  # 55 = 4^3 - 3^2
-    elif score < 26_931_190_827:
-        return int(60 + math.log(score / 1.25, 1.8))
-    else:
-        return int((score - 26_931_190_827) / 99_999_999_999 + 100)
+# https://github.com/ppy/osu-queue-score-statistics/blob/4bdd479530408de73f3cdd95e097fe126772a65b/osu.Server.Queues.ScoreStatisticsProcessor/Processors/TotalScoreProcessor.cs#L70-L116
+def calculate_score_to_level(total_score: int) -> float:
+    to_next_level = [
+        30000,
+        100000,
+        210000,
+        360000,
+        550000,
+        780000,
+        1050000,
+        1360000,
+        1710000,
+        2100000,
+        2530000,
+        3000000,
+        3510000,
+        4060000,
+        4650000,
+        5280000,
+        5950000,
+        6660000,
+        7410000,
+        8200000,
+        9030000,
+        9900000,
+        10810000,
+        11760000,
+        12750000,
+        13780000,
+        14850000,
+        15960000,
+        17110000,
+        18300000,
+        19530000,
+        20800000,
+        22110000,
+        23460000,
+        24850000,
+        26280000,
+        27750000,
+        29260000,
+        30810000,
+        32400000,
+        34030000,
+        35700000,
+        37410000,
+        39160000,
+        40950000,
+        42780000,
+        44650000,
+        46560000,
+        48510000,
+        50500000,
+        52530000,
+        54600000,
+        56710000,
+        58860000,
+        61050000,
+        63280000,
+        65550000,
+        67860000,
+        70210001,
+        72600001,
+        75030002,
+        77500003,
+        80010006,
+        82560010,
+        85150019,
+        87780034,
+        90450061,
+        93160110,
+        95910198,
+        98700357,
+        101530643,
+        104401157,
+        107312082,
+        110263748,
+        113256747,
+        116292144,
+        119371859,
+        122499346,
+        125680824,
+        128927482,
+        132259468,
+        135713043,
+        139353477,
+        143298259,
+        147758866,
+        153115959,
+        160054726,
+        169808506,
+        184597311,
+        208417160,
+        248460887,
+        317675597,
+        439366075,
+        655480935,
+        1041527682,
+        1733419828,
+        2975801691,
+        5209033044,
+        9225761479,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+    ]
+
+    remaining_score = total_score
+    level = 0.0
+
+    while remaining_score > 0:
+        next_level_requirement = to_next_level[
+            min(len(to_next_level) - 1, round(level))
+        ]
+        level += min(1, remaining_score / next_level_requirement)
+        remaining_score -= next_level_requirement
+
+    return level + 1


 # https://osu.ppy.sh/wiki/Performance_points/Weighting_system