Files
Unlucky-Launcher/crates/presenter/src/host/launch.rs
T
AskaEth 5bd566f92f feat(termux): launch 侧同样改写 arm64 natives;真机跑通 MC 1.20.4
- Library::linux_arm64_native_name 收敛改写规则,install 与 launch 共用
- presenter/CLI 的 classpath 组装:1.19+ 的独立 natives 条目按 arm64 坐标
  找文件并进 classpath;≤1.18 的 natives 表条目仍归 natives::collect
- 真机验证:ull install 1.20.4(740MB)→ glibc Temurin 21 + arm64 natives +
  softpipe GL,MC 主菜单在 termux-x11 中渲染(窗口 854x480)
- 已知非致命:narrator flite 缺失、LWJGL JNI 版本告警、oshi cpuVendor NPE
2026-11-07 08:53:24 +08:00

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//! 启动全链:实例 → `LaunchRequest` → 子进程 → JSONL 事件流(GUI 版)。
//!
//! 与 CLI `ull launch` 同源同序(`core` 的 `game::resolve` / `arguments.expand` /
//! `launch::adapter::build_request` / `Launcher::spawn`),差异只有两处:
//! - **不阻塞 UI**:装配与等待都在后台线程里,进度/日志经 [`super::job::HostTask`] 回流;
//! - **身份来自 GUI 选中的账户**(`AccountStore` → `AuthPlaceholders`),凭据只在
//! 本模块内被读一次,绝不进 DTO。
//!
//! 停止:`kill_tree(pid)`(core 的三段式进程树回收),`finish()` 会照常收尾写索引。
use std::path::PathBuf;
use unlucky_core::game::arguments::Environment;
use unlucky_core::game::install::instance::read_instance_config;
use unlucky_core::game::isolation::{derive_game_dir, observe_mode, IsolationMode};
use unlucky_core::game::{self, VersionJson};
use unlucky_core::launch::adapter::{
self, AdapterOptions, AdapterWarning, LibraryInput, SnapshotInput,
};
use unlucky_core::launch::request::{JavaSelection, LaunchRequest, MemoryOptions};
use unlucky_core::launch::time::{format_rfc3339_millis, now};
use unlucky_core::launch::tree_kill;
use unlucky_core::launch::{Launcher, LauncherConfig};
use unlucky_core::platform::paths::ProcessEnv;
use crate::dto::{InstanceId, InstanceRuntime, LaunchFinished, LaunchStage, LogOutcome, Progress};
use super::env::HostEnv;
use super::job::{launch_summary, HostTask, JobSender};
/// 启动器名(与 CLI `meta::LAUNCHER_NAME` 同值)。
pub const LAUNCHER_NAME: &str = "Unlucky Launcher";
/// 一次启动需要的实例信息。
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct LaunchTarget {
/// 实例 id
pub id: InstanceId,
/// 实例名
pub name: String,
/// 绑定的版本 id
pub version_id: String,
/// 账户 id(`None` = 离线占位)
pub account: Option<String>,
}
/// 选中并用起来的 Java(`summary` 给 UI 一行提示)。
pub struct JavaPick {
/// 交给 adapter 的选择
pub selection: JavaSelection,
/// 人读一行
pub summary: String,
}
/// 选一个能用的 Java:托管 > JAVA_HOME > PATH(`core::game::java` 的探测与优先级)。
pub fn pick_java(env: &HostEnv, version_id: &str) -> JavaPick {
let store = env.store();
let install_root = store
.doc()
.effective_str("java.installRoot")
.map(str::trim)
.filter(|text| !text.is_empty())
.map(PathBuf::from);
let roots = unlucky_core::game::java::location::scan_roots(
env.mode(),
&env.layout,
install_root.as_deref(),
env.platform,
&ProcessEnv,
);
let candidates = unlucky_core::game::java::candidates_in_roots(&roots);
let required = unlucky_core::game::java::requirement_for_version(&env.game, version_id);
let picked = unlucky_core::game::java::pick(&candidates, &required).cloned();
match picked {
Some(runtime) => {
let major = runtime
.major
.unwrap_or(unlucky_core::game::java::DEFAULT_MAJOR);
let summary = format!(
"Java {}({}{})",
runtime.version.clone().unwrap_or_else(|| major.to_string()),
runtime.origin.category(),
runtime
.vendor
.as_ref()
.map(|vendor| format!(" · {vendor}"))
.unwrap_or_default()
);
JavaPick {
selection: JavaSelection::new(runtime.binary, major, runtime.bits),
summary,
}
}
None => {
let binary = PathBuf::from(unlucky_core::game::java::java_binary_name());
let major = required.minimum;
JavaPick {
selection: JavaSelection::new(binary, major, 64),
summary: format!("PATH 上的 Java(未探测到版本,按 Java {major} 启动)"),
}
}
}
}
/// 装配 [`LaunchRequest`](与 CLI `snapshot::prepare` 同序)。
///
/// # Errors
///
/// 版本 JSON 缺失/非法、继承链断裂、隔离派生失败时返回用户可读文案。
pub fn build_request(
env: &HostEnv,
target: &LaunchTarget,
) -> Result<(LaunchRequest, Vec<String>), String> {
let version_id = target.version_id.clone();
let manifest_path = env.game.version_json(&version_id);
let text = std::fs::read_to_string(&manifest_path)
.map_err(|error| format!("读版本 JSON 失败 {}:{error}", manifest_path.display()))?;
let manifest =
VersionJson::from_json_str(&text).map_err(|error| format!("版本 JSON 非法:{error}"))?;
let source = |id: &str| -> Option<VersionJson> {
std::fs::read_to_string(env.game.version_json(id))
.ok()
.and_then(|text| VersionJson::from_json_str(&text).ok())
};
let resolved =
game::resolve(&source, &manifest).map_err(|error| format!("解析继承链失败:{error}"))?;
let environment = Environment::host();
let expanded = resolved
.arguments
.as_ref()
.map(|arguments| arguments.expand(&environment))
.unwrap_or_default();
let mut libraries: Vec<LibraryInput> = Vec::new();
for library in resolved.libraries.as_deref().unwrap_or_default() {
if !library.applies(&environment) {
continue;
}
// 1.19+ 的 natives 是独立库条目(name 带分类器),必须进 classpath;
// ≤1.18 的 `natives` 表条目归 natives::collect,不进 classpath。
// Linux arm64:独立条目改写成 natives-linux-arm64(路径与展示名一起改)。
let arm64 = library.linux_arm64_native_name(&environment);
if arm64.is_none() && library.native_classifier(&environment).is_some() {
continue;
}
let (coordinate, name) = match arm64 {
Some(rewritten) => {
let Ok(coordinate) =
unlucky_core::game::library::MavenCoordinate::parse(&rewritten)
else {
continue;
};
(coordinate, rewritten)
}
None => {
let Ok(coordinate) = library.coordinate() else {
continue;
};
(coordinate, library.name.clone())
}
};
let path = if library.is_local() {
env.game.version_library(&version_id, &coordinate)
} else {
env.game.library(&coordinate)
};
libraries.push(LibraryInput::new(path, name));
}
let natives = unlucky_core::launch::natives::collect(
&env.game,
&version_id,
resolved.libraries.as_deref().unwrap_or_default(),
&environment,
);
let game_dir = run_dir(env, target)?;
let jar_id = resolved.jar.clone().unwrap_or_else(|| version_id.clone());
let assets_root = env.game.assets_dir();
let assets_index = resolved
.assets
.clone()
.or_else(|| resolved.asset_index.as_ref().map(|index| index.id.clone()));
let snapshot = SnapshotInput {
version_id: &version_id,
version_name: Some(&target.name),
version_type: None,
game_version: None,
main_class: resolved.main_class.as_deref(),
jvm_arguments: &expanded.jvm,
game_arguments: &expanded.game,
legacy_arguments: resolved.minecraft_arguments.as_deref(),
libraries: &libraries,
natives: &natives,
primary_jar: env.game.version_jar(&jar_id),
game_dir,
assets_index: assets_index.as_deref(),
natives_dir: env.game.natives_dir(&version_id),
library_dir: env.game.libraries_dir(),
assets_root: assets_root.clone(),
game_assets: assets_root,
};
let java = pick_java(env, &version_id);
let (auth, identity_line) = super::identity::resolve(env, target.account.as_deref())?;
let memory = env
.store()
.effective("java.default_memory_mb")
.and_then(serde_json::Value::as_u64)
.and_then(|value| u32::try_from(value).ok());
let options = AdapterOptions {
java: java.selection,
memory: MemoryOptions {
min_mb: None,
max_mb: memory,
},
auth,
launcher_name: LAUNCHER_NAME.to_string(),
launcher_version: env!("CARGO_PKG_VERSION").to_string(),
language: "zh-CN".to_string(),
..AdapterOptions::strict()
};
let output = adapter::build_request(&snapshot, options);
let mut warnings: Vec<String> = output.warnings.iter().map(describe_warning).collect();
warnings.push(java.summary);
warnings.push(identity_line);
let mut request = output.request;
request.instance.id = target.id.clone();
request.instance.name = target.name.clone();
Ok((request, warnings))
}
/// 派生运行目录(D20 覆盖链:实例 `isolation` > 全局 `instances.mode`)。
fn run_dir(env: &HostEnv, target: &LaunchTarget) -> Result<PathBuf, String> {
let global = super::game::global_mode(env);
let config = read_instance_config(&env.layout, &target.id)
.map_err(|error| format!("读实例设置失败:{error}"))?;
let derivation = derive_game_dir(&env.game, &target.version_id, global, config.as_ref(), None)
.map_err(|error| format!("隔离目录派生失败:{error}"))?;
if let Some(mut config) = config {
let at = format_rfc3339_millis(now());
if observe_mode(&mut config, &env.game, &at, derivation.isolation).unwrap_or(false) {
let _ =
unlucky_core::game::install::instance::write_instance_config(&env.layout, &config);
}
}
Ok(derivation.game_dir)
}
/// 起一次启动(后台线程;进度/日志/收尾全部走 `HostTask`)。
pub fn start(env: HostEnv, tx: JobSender, target: LaunchTarget) {
let id = target.id.clone();
let tx_progress = tx.clone();
super::job::spawn("launch", move || {
let _ = tx_progress.send(HostTask::Runtime {
id: id.clone(),
runtime: InstanceRuntime::Busy {
stage: LaunchStage::Launch,
progress: Progress { done: 0, total: 1 },
},
});
let (request, warnings) = match build_request(&env, &target) {
Ok(ok) => ok,
Err(reason) => {
let _ = tx.send(HostTask::LaunchEnd(Box::new(LaunchFinished {
id,
session: String::new(),
outcome: LogOutcome::Crashed,
summary: format!("启动失败:{reason}"),
})));
return;
}
};
for warning in &warnings {
let _ = tx.send(HostTask::Notice(Box::new(crate::dto::NoticeView::new(
&format!("launch-warn:{}", target.id),
crate::dto::NoticeLevel::Info,
"启动提示",
warning,
))));
}
let config = LauncherConfig::new(env.sessions_root())
.with_launcher(LAUNCHER_NAME, env!("CARGO_PKG_VERSION"));
let session = match Launcher::new(config).spawn(&request) {
Ok(session) => session,
Err(error) => {
let _ = tx.send(HostTask::LaunchEnd(Box::new(LaunchFinished {
id,
session: String::new(),
outcome: LogOutcome::Crashed,
summary: format!("启动失败:{error}"),
})));
return;
}
};
let session_id = session.session_id().to_string();
let pid = session.pid();
let _ = tx.send(HostTask::LaunchStarted {
id: id.clone(),
session_id: session_id.clone(),
pid,
});
let _ = tx.send(HostTask::Runtime {
id: id.clone(),
runtime: InstanceRuntime::Running { pid },
});
match session.finish() {
Ok(handle) => {
let outcome = super::identity::outcome_of(&handle);
let _ = tx.send(HostTask::LaunchEnd(Box::new(LaunchFinished {
id,
session: session_id,
outcome,
summary: format!(
"{}({},{:.1}s)",
launch_summary(outcome, Some(handle.exit.code)),
handle.exit.exit_type.as_str(),
handle.uptime_ms as f64 / 1000.0
),
})));
}
Err(error) => {
let _ = tx.send(HostTask::LaunchEnd(Box::new(LaunchFinished {
id,
session: session_id,
outcome: LogOutcome::SilentFail,
summary: format!("启动收尾失败:{error}"),
})));
}
}
});
}
/// 停止一次启动(按 pid 回收进程树;`finish()` 会在后台线程里照常收尾)。
pub fn stop(pid: u32) -> Result<(), String> {
tree_kill::kill_tree(pid, std::time::Duration::from_secs(3))
.map_err(|error| format!("停止进程 {pid} 失败:{error}"))
}
/// 适配层告警 → 人读一行。
fn describe_warning(warning: &AdapterWarning) -> String {
match warning {
AdapterWarning::MissingLibrary { name, path } => {
format!("缺少库文件 {name}({})", path.display())
}
AdapterWarning::MissingGameArguments => "版本 JSON 没有游戏参数".to_string(),
AdapterWarning::MissingAssetsIndex => "版本 JSON 没有资源索引".to_string(),
AdapterWarning::MissingMainClass => "版本 JSON 没有 mainClass".to_string(),
AdapterWarning::MissingNativeJar { name, path } => {
format!("缺少 natives 构件 {name}({})", path.display())
}
}
}
/// 隔离档位的展示串(`isolated` / `shared`)。
pub fn isolation_label(mode: IsolationMode) -> &'static str {
mode.as_str()
}