海报从 Empurple 的 Best50ImageRenderer/ImageBuilder 移植:按原始像素坐标 (1762x1850 画布、300x100 卡片、5 列、行距 120) 叠加在 base.png 上,底图里 已画好的面板/药丸标签/页脚不重复绘制;页面外壳走 Ichino 的 Material 3。 RatingCalculator 的达成率分档改成单张有序表,避免偏移与评级错位; RA 与评级由 test/rating_calculator_test.dart 的边界用例锁定。 GetUserRatingApi 只需要 userId(Cookie 可选),所以 Preview API 模式、未登录 游戏服务器时也能出图,只是没有 FC/AP/FS 标记。导出用 RepaintBoundary 抓 全尺寸 PNG:原生走 share_plus(不支持文件分享的平台回退为落盘并提示路径), web 走下载。 BEST35 与 BEST15 改为各自独立排版。原先沿用 Empurple 的跨列表全局序号, BEST35 没打满时 BEST15 会整体上移混进上半区。 path_provider 会经 path_provider_android 2.3.x 拖入 jni 插件,而 jni 把 windows/linux 也声明成 ffiPlugin,桌面构建因此去链接 jvm.lib 并失败, 故用 dependency_overrides 钉住 path_provider_android <2.3.0。
66 lines
1.7 KiB
Dart
66 lines
1.7 KiB
Dart
/// RA / 评级计算,移植自 Empurple 的 `RatingCalculator`。
|
|
///
|
|
/// `achievement` 传入百分比数值(接口原值 1001234 => 100.1234),`ds` 为谱面定数。
|
|
class RaResult {
|
|
final int ra;
|
|
final String rate;
|
|
|
|
const RaResult(this.ra, this.rate);
|
|
}
|
|
|
|
/// 达成率区间上界 / RA 系数 / 评级,顺序与 Empurple 的 when 分支一致。
|
|
const List<(int, int, String)> _bands = [
|
|
(100000, 0, 'D'),
|
|
(200000, 16, 'D'),
|
|
(300000, 32, 'D'),
|
|
(400000, 48, 'D'),
|
|
(500000, 64, 'D'),
|
|
(600000, 80, 'C'),
|
|
(700000, 96, 'B'),
|
|
(750000, 112, 'BB'),
|
|
(799999, 120, 'BBB'),
|
|
(800000, 128, 'BBB'),
|
|
(900000, 136, 'A'),
|
|
(940000, 152, 'AA'),
|
|
(969999, 168, 'AAA'),
|
|
(970000, 176, 'AAA'),
|
|
(980000, 200, 'S'),
|
|
(989999, 203, 'Sp'),
|
|
(990000, 206, 'Sp'),
|
|
(995000, 208, 'SS'),
|
|
(999999, 211, 'SSp'),
|
|
(1000000, 214, 'SSp'),
|
|
(1004999, 216, 'SSS'),
|
|
(1005000, 222, 'SSS'),
|
|
];
|
|
|
|
const int _maxAchievement = 1005000;
|
|
const int _ssspOffset = 224;
|
|
|
|
class RatingCalculator {
|
|
RatingCalculator._();
|
|
|
|
static int computeRa(double ds, double achievement) =>
|
|
compute(ds, achievement).ra;
|
|
|
|
static String computeRaRate(double ds, double achievement) =>
|
|
compute(ds, achievement).rate;
|
|
|
|
static RaResult compute(double ds, double achievement) {
|
|
final achievementRaw =
|
|
(achievement * 10000.0).round().clamp(0, _maxAchievement);
|
|
var offset = _ssspOffset;
|
|
var rate = 'SSSp';
|
|
for (final (upperBound, bandOffset, bandRate) in _bands) {
|
|
if (achievementRaw < upperBound) {
|
|
offset = bandOffset;
|
|
rate = bandRate;
|
|
break;
|
|
}
|
|
}
|
|
final scoreRate = (ds * 10.0).round();
|
|
final ra = scoreRate * achievementRaw * offset ~/ 100000000;
|
|
return RaResult(ra, rate);
|
|
}
|
|
}
|