chore: replace osynic_osudb with own osudb parser

This commit is contained in:
2026-04-19 18:43:22 +02:00
parent 4dc83c882d
commit bf4ce18671
7 changed files with 291 additions and 78 deletions
+19 -22
View File
@@ -1,5 +1,4 @@
use hardware_id::get_id;
use osynic_osudb::entity::osu::osudb::OsuDB;
use reqwest::Client;
use serde::{Deserialize, Serialize};
use std::collections::HashSet;
@@ -13,6 +12,7 @@ use tokio::io::AsyncWriteExt;
use tokio::process::Command;
use tokio::time::{Duration, sleep};
use crate::osudb::parse_osudb;
use crate::presence;
use crate::utils::{
check_folder_completeness, encrypt_password, get_osu_config, get_osu_user_config,
@@ -161,10 +161,10 @@ pub async fn get_beatmapsets_count(folder: String) -> Option<u64> {
if !osu_db_path.exists() {
return Some(0);
}
let mut osudb = OsuDB::from_file(&osu_db_path).unwrap();
let beatmaps = osudb.beatmaps.iter_mut();
let beatmap_sets = beatmaps.map(|b| b.beatmapset_id).collect::<HashSet<_>>();
return Some(beatmap_sets.len() as u64);
let osu_db_bytes = fs::read(osu_db_path).await.ok()?;
let osu_db = parse_osudb(osu_db_bytes).ok()?;
let beatmap_sets = osu_db.beatmaps.iter().map(|b| b.beatmapset_id).collect::<HashSet<_>>().len();
Some(beatmap_sets as u64)
}
#[derive(Serialize, Deserialize, Debug, Clone)]
@@ -620,28 +620,25 @@ pub fn replace_ui_files(folder: String, revert: bool) -> Result<(), ReplaceUIErr
})?;
}
std::fs::copy(source, dest).map_err(|e| {
ReplaceUIError::IoError(format!("Failed to copy {}: {}", name, e))
})?;
std::fs::copy(source, dest)
.map_err(|e| ReplaceUIError::IoError(format!("Failed to copy {}: {}", name, e)))?;
Ok(())
};
let restore_backup = |bak: &PathBuf,
dest: &PathBuf,
name: &str|
-> Result<(), ReplaceUIError> {
if bak.exists() {
if dest.exists() {
std::fs::remove_file(dest).map_err(|e| {
ReplaceUIError::IoError(format!("Failed to remove {}: {}", name, e))
let restore_backup =
|bak: &PathBuf, dest: &PathBuf, name: &str| -> Result<(), ReplaceUIError> {
if bak.exists() {
if dest.exists() {
std::fs::remove_file(dest).map_err(|e| {
ReplaceUIError::IoError(format!("Failed to remove {}: {}", name, e))
})?;
}
std::fs::rename(bak, dest).map_err(|e| {
ReplaceUIError::IoError(format!("Failed to rename {} from backup: {}", name, e))
})?;
}
std::fs::rename(bak, dest).map_err(|e| {
ReplaceUIError::IoError(format!("Failed to rename {} from backup: {}", name, e))
})?;
}
Ok(())
};
Ok(())
};
if !revert {
if osu_ui.exists() && !osu_ui_bak.exists() {
+1
View File
@@ -4,6 +4,7 @@ use tauri::Manager;
pub mod commands;
pub mod presence;
pub mod utils;
pub mod osudb;
use crate::commands::{
check_for_corruption, download_ezpp_launcher_update, download_ezpp_launcher_update_files,
encrypt_string, exit, find_osu_installation, get_beatmapsets_count,
+256
View File
@@ -0,0 +1,256 @@
use std::io::{Cursor, Read};
use anyhow::{anyhow, Result};
use byteorder::{LittleEndian, ReadBytesExt};
pub struct OsuReader {
cursor: Cursor<Vec<u8>>,
}
impl OsuReader {
pub fn new(data: Vec<u8>) -> Self {
Self {
cursor: Cursor::new(data),
}
}
fn read_i16(&mut self) -> Result<i16> {
Ok(self.cursor.read_i16::<LittleEndian>()?)
}
fn read_i32(&mut self) -> Result<i32> {
Ok(self.cursor.read_i32::<LittleEndian>()?)
}
fn read_i64(&mut self) -> Result<i64> {
Ok(self.cursor.read_i64::<LittleEndian>()?)
}
fn read_u8(&mut self) -> Result<u8> {
Ok(self.cursor.read_u8()?)
}
fn read_f32(&mut self) -> Result<f32> {
Ok(self.cursor.read_f32::<LittleEndian>()?)
}
fn read_f64(&mut self) -> Result<f64> {
Ok(self.cursor.read_f64::<LittleEndian>()?)
}
fn read_bool(&mut self) -> Result<bool> {
Ok(self.read_u8()? != 0)
}
fn read_string(&mut self) -> Result<Option<String>> {
let indicator = self.read_u8()?;
if indicator == 0 {
return Ok(None);
}
if indicator != 0x0B {
return Err(anyhow!("Invalid osu string indicator"));
}
let len = self.read_uleb128()? as usize;
let mut buf = vec![0; len];
self.cursor.read_exact(&mut buf)?;
Ok(Some(String::from_utf8(buf)?))
}
fn read_uleb128(&mut self) -> Result<u64> {
let mut result = 0;
let mut shift = 0;
loop {
let byte = self.read_u8()?;
result |= ((byte & 0x7F) as u64) << shift;
if (byte & 0x80) == 0 {
break;
}
shift += 7;
}
Ok(result)
}
}
#[derive(Debug)]
pub struct TimingPoint {
pub bpm: f64,
pub offset: f64,
pub inherited: bool,
}
#[derive(Debug)]
pub struct Beatmap {
pub artist_name: Option<String>,
pub song_title: Option<String>,
pub difficulty: Option<String>,
pub md5: Option<String>,
pub beatmap_id: i32,
pub beatmapset_id: i32,
pub mode: u8,
pub timing_points: Vec<TimingPoint>,
}
#[derive(Debug)]
pub struct OsuDbData {
pub osuver: i32,
pub folder_count: i32,
pub is_unlocked: bool,
pub date_unlock_ticks: i64,
pub username: Option<String>,
pub beatmaps: Vec<Beatmap>,
pub userperms: i32,
}
//
// =========================
// PARSER
// =========================
//
pub fn parse_osudb(bytes: Vec<u8>) -> Result<OsuDbData> {
let mut reader = OsuReader::new(bytes);
let osuver = reader.read_i32()?;
let folder_count = reader.read_i32()?;
let is_unlocked = reader.read_bool()?;
let date_unlock_ticks = reader.read_i64()?;
let username = reader.read_string()?;
let beatmaps_count = reader.read_i32()?;
let mut beatmaps = Vec::new();
for _ in 0..beatmaps_count {
if osuver < 20191107 {
reader.read_i32()?; // entry size
}
let artist_name = reader.read_string()?;
reader.read_string()?; // artist unicode
let song_title = reader.read_string()?;
reader.read_string()?; // title unicode
reader.read_string()?; // creator
let difficulty = reader.read_string()?;
reader.read_string()?; // audio
let md5 = reader.read_string()?;
reader.read_string()?; // osu file name
reader.read_u8()?; // ranked
reader.read_i16()?;
reader.read_i16()?;
reader.read_i16()?;
reader.read_i64()?; // last modification
if osuver < 20140609 {
reader.read_u8()?;
reader.read_u8()?;
reader.read_u8()?;
reader.read_u8()?;
} else {
reader.read_f32()?;
reader.read_f32()?;
reader.read_f32()?;
reader.read_f32()?;
}
reader.read_f64()?; // slider velocity
for _ in 0..4 {
let len = reader.read_i32()?;
for _ in 0..len {
reader.read_u8()?;
reader.read_i32()?;
reader.read_u8()?;
if osuver > 20250107 {
reader.read_f32()?;
} else {
reader.read_f64()?;
}
}
}
reader.read_i32()?; // drain
reader.read_i32()?; // total
reader.read_i32()?; // preview
let timing_len = reader.read_i32()?;
let mut timing_points = Vec::new();
for _ in 0..timing_len {
timing_points.push(TimingPoint {
bpm: reader.read_f64()?,
offset: reader.read_f64()?,
inherited: reader.read_bool()?,
});
}
let beatmap_id = reader.read_i32()?;
let beatmapset_id = reader.read_i32()?;
reader.read_i32()?; // thread id
reader.read_u8()?;
reader.read_u8()?;
reader.read_u8()?;
reader.read_u8()?;
reader.read_i16()?;
reader.read_f32()?;
let mode = reader.read_u8()?;
reader.read_string()?;
reader.read_string()?;
reader.read_i16()?;
reader.read_string()?;
reader.read_bool()?;
reader.read_i64()?;
reader.read_bool()?;
reader.read_string()?;
reader.read_i64()?;
reader.read_bool()?;
reader.read_bool()?;
reader.read_bool()?;
reader.read_bool()?;
reader.read_bool()?;
if osuver < 20140609 {
reader.read_i16()?;
}
reader.read_i32()?;
reader.read_u8()?;
beatmaps.push(Beatmap {
artist_name,
song_title,
difficulty,
md5,
beatmap_id,
beatmapset_id,
mode,
timing_points,
});
}
let userperms = reader.read_i32()?;
Ok(OsuDbData {
osuver,
folder_count,
is_unlocked,
date_unlock_ticks,
username,
beatmaps,
userperms,
})
}