AquaDX/AquaNet/src/libs/scoring.ts
2024-08-08 14:49:20 +08:00

86 lines
2.1 KiB
TypeScript

export type GameName = 'mai2' | 'chu3' | 'ongeki' | 'wacca'
const multTable = {
'mai2': [
[ 100.5, 22.4, 'SSSp' ],
[ 100.0, 21.6, 'SSS' ],
[ 99.5, 21.1, 'SSp' ],
[ 99, 20.8, 'SS' ],
[ 98, 20.3, 'Sp' ],
[ 97, 20, 'S' ],
[ 94, 16.8, 'AAA' ],
[ 90, 15.2, 'AA' ],
[ 80, 13.6, 'A' ],
[ 75, 12, 'BBB' ],
[ 70, 11.2, 'BB' ],
[ 60, 9.6, 'B' ],
[ 50, 8, 'C' ],
[ 40, 6.4, 'D' ],
[ 30, 4.8, 'D' ],
[ 20, 3.2, 'D' ],
[ 10, 1.6, 'D' ],
[ 0, 0, 'D' ]
],
// TODO: Fill in multipliers for Chunithm and Ongeki
'chu3': [
[ 100.75, 0, 'SSS' ],
[ 100.0, 0, 'SS' ],
[ 97.5, 0, 'S' ],
[ 95.0, 0, 'AAA' ],
[ 92.5, 0, 'AA' ],
[ 90.0, 0, 'A' ],
[ 80.0, 0, 'BBB' ],
[ 70.0, 0, 'BB' ],
[ 60.0, 0, 'B' ],
[ 50.0, 0, 'C' ],
[ 0.0, 0, 'D' ]
],
'ongeki': [
[ 100.75, 0, 'SSS+' ],
[ 100.0, 0, 'SSS' ],
[ 99.0, 0, 'SS' ],
[ 97.0, 0, 'S' ],
[ 94.0, 0, 'AAA' ],
[ 90.0, 0, 'AA' ],
[ 85.0, 0, 'A' ],
[ 80.0, 0, 'BBB' ],
[ 75.0, 0, 'BB' ],
[ 70.0, 0, 'B' ],
[ 50.0, 0, 'C' ],
[ 0.0, 0, 'D' ]
],
'wacca': [
[ 100.0, 0, 'AP' ],
[ 98.0, 0, 'SSS' ],
[ 95.0, 0, 'SS' ],
[ 90.0, 0, 'S' ],
[ 85.0, 0, 'AAA' ],
[ 80.0, 0, 'AA' ],
[ 70.0, 0, 'A' ],
[ 60.0, 0, 'B' ],
[ 1.0, 0, 'C' ],
[ 0.0, 0, 'D' ]
]
}
export function getMult(achievement: number, game: GameName) {
achievement /= 10000
const mt = multTable[game]
for (let i = 0; i < mt.length; i++) {
if (achievement >= (mt[i][0] as number)) return mt[i]
}
return [ 0, 0, 0 ]
}
export function roundFloor(achievement: number, game: GameName, digits = 2) {
// Round, but if the rounded number reaches the next rank, use floor instead
const mult = getMult(achievement, game);
achievement /= 10000
const rounded = achievement.toFixed(digits);
if (getMult(+rounded * 10000, game)[2] === mult[2] && rounded !== '101.0') return rounded;
return (+rounded - Math.pow(10, -digits)).toFixed(digits);
}