115 lines
2.0 KiB
Go
115 lines
2.0 KiB
Go
// Package getrank allows retrieval of the rank of a score on
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// an osu! beatmap (rank as in one of SSH, SS, SH, S, A, B, C, D)
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package getrank
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import (
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"gopkg.in/thehowl/go-osuapi.v1"
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)
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const silver = osuapi.ModFlashlight | osuapi.ModHidden
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// GetRank retrieves a rank of a score with the passed arguments.
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func GetRank(gameMode osuapi.Mode, mods osuapi.Mods, acc float64, c300, c100, c50, cmiss int) string {
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total := c300 + c100 + c50 + cmiss
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switch gameMode {
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case osuapi.ModeOsu:
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var (
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c300f = float64(c300)
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totalf = float64(total)
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perc300 = c300f / totalf
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)
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switch {
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case acc == 100:
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return s(true, mods)
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case perc300 > 0.90 && float64(c50)/totalf < 0.1 && cmiss == 0:
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return s(false, mods)
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case (perc300 > 0.80 && cmiss == 0) || (perc300 > 0.90):
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return "a"
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case (perc300 > 0.70 && cmiss == 0) || (perc300 > 0.80):
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return "b"
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case perc300 > 0.60:
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return "c"
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}
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return "d"
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case osuapi.ModeTaiko:
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switch {
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case acc == 100:
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return s(true, mods)
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case acc >= 95:
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return s(false, mods)
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case acc >= 90:
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return "a"
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case acc >= 80:
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return "b"
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// untested
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case acc >= 70:
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return "c"
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}
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return "d"
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case osuapi.ModeCatchTheBeat:
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if acc == 100 {
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if mods&silver > 0 {
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return "sshd"
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}
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return "ss"
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}
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if acc >= 98.01 && acc <= 99.99 {
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if mods&silver > 0 {
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return "shd"
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}
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return "s"
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}
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if acc >= 94.01 && acc <= 98.00 {
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return "a"
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}
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if acc >= 90.01 && acc <= 94.00 {
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return "b"
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}
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if acc >= 85.01 && acc <= 90.00 {
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return "c"
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}
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return "d"
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case osuapi.ModeOsuMania:
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switch {
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case acc == 100:
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if mods&silver > 0 {
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return "sshd"
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}
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return "ss"
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case acc > 95:
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if mods&silver > 0 {
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return "shd"
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}
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return "s"
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case acc > 90:
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return "a"
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case acc > 80:
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return "b"
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case acc > 70:
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return "c"
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}
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return "d"
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}
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return "a"
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}
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func s(s2 bool, h osuapi.Mods) string {
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a := "s"
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if s2 {
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a += "s"
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}
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if h&silver > 0 {
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a += "h"
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}
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return a
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}
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