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Refactor launcher.js for improved app directory management

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Refactor launcher.js to improve directory handling and function parameters.
This commit is contained in:
AMIAY
2026-01-16 16:19:46 +01:00
committed by GitHub
parent c597a08a38
commit 0bf83df285
1 changed files with 113 additions and 47 deletions
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160
backend/launcher.js
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@@ -23,12 +23,30 @@ function getAppDir() {
}
}
const APP_DIR = getAppDir();
const DEFAULT_APP_DIR = getAppDir();
const CONFIG_FILE = path.join(DEFAULT_APP_DIR, 'config.json');
function getResolvedAppDir(customPath) {
if (customPath && customPath.trim()) {
return path.join(customPath.trim(), 'HytaleF2P');
}
try {
if (fs.existsSync(CONFIG_FILE)) {
const config = JSON.parse(fs.readFileSync(CONFIG_FILE, 'utf8'));
if (config.installPath && config.installPath.trim()) {
return path.join(config.installPath.trim(), 'HytaleF2P');
}
}
} catch (err) {
}
return DEFAULT_APP_DIR;
}
const APP_DIR = DEFAULT_APP_DIR;
const CACHE_DIR = path.join(APP_DIR, 'cache');
const TOOLS_DIR = path.join(APP_DIR, 'butler');
const GAME_DIR = path.join(APP_DIR, 'release', 'package', 'game', 'latest');
const JRE_DIR = path.join(APP_DIR, 'release', 'package', 'jre', 'latest');
const CONFIG_FILE = path.join(APP_DIR, 'config.json');
function expandHome(inputPath) {
if (!inputPath) {
@@ -218,19 +236,10 @@ function getArch() {
}
function createFolders() {
const dirs = [
APP_DIR,
CACHE_DIR,
TOOLS_DIR,
path.join(APP_DIR, 'release', 'package', 'jre'),
path.join(APP_DIR, 'release', 'package', 'game')
];
dirs.forEach(dir => {
if (!fs.existsSync(dir)) {
fs.mkdirSync(dir, { recursive: true });
}
});
const configDir = path.dirname(CONFIG_FILE);
if (!fs.existsSync(configDir)) {
fs.mkdirSync(configDir, { recursive: true });
}
}
async function downloadFile(url, dest, progressCallback) {
@@ -271,12 +280,14 @@ async function downloadFile(url, dest, progressCallback) {
});
}
async function installButler() {
createFolders();
async function installButler(toolsDir = TOOLS_DIR) {
if (!fs.existsSync(toolsDir)) {
fs.mkdirSync(toolsDir, { recursive: true });
}
const butlerName = process.platform === 'win32' ? 'butler.exe' : 'butler';
const butlerPath = path.join(TOOLS_DIR, butlerName);
const zipPath = path.join(TOOLS_DIR, 'butler.zip');
const butlerPath = path.join(toolsDir, butlerName);
const zipPath = path.join(toolsDir, 'butler.zip');
if (fs.existsSync(butlerPath)) {
return butlerPath;
@@ -319,7 +330,7 @@ async function installButler() {
console.log('Unpacking Butler...');
const zip = new AdmZip(zipPath);
zip.extractAllTo(TOOLS_DIR, true);
zip.extractAllTo(toolsDir, true);
if (process.platform !== 'win32') {
fs.chmodSync(butlerPath, 0o755);
@@ -334,14 +345,12 @@ async function installButler() {
return butlerPath;
}
async function downloadPWR(version = 'release', fileName = '1.pwr', progressCallback) {
createFolders();
async function downloadPWR(version = 'release', fileName = '1.pwr', progressCallback, cacheDir = CACHE_DIR) {
const osName = getOS();
const arch = getArch();
const url = `https://game-patches.hytale.com/patches/${osName}/${arch}/${version}/0/${fileName}`;
const dest = path.join(CACHE_DIR, fileName);
const dest = path.join(cacheDir, fileName);
if (fs.existsSync(dest)) {
console.log('PWR file found in cache:', dest);
@@ -355,9 +364,9 @@ async function downloadPWR(version = 'release', fileName = '1.pwr', progressCall
return dest;
}
async function applyPWR(pwrFile, progressCallback) {
const butlerPath = await installButler();
const gameLatest = GAME_DIR;
async function applyPWR(pwrFile, progressCallback, gameDir = GAME_DIR, toolsDir = TOOLS_DIR) {
const butlerPath = await installButler(toolsDir);
const gameLatest = gameDir;
const stagingDir = path.join(gameLatest, 'staging-temp');
const clientPath = findClientPath(gameLatest);
@@ -425,13 +434,15 @@ async function applyPWR(pwrFile, progressCallback) {
console.log('Installation complete');
}
async function downloadJRE(progressCallback) {
createFolders();
async function downloadJRE(progressCallback, cacheDir = CACHE_DIR, jreDir = JRE_DIR) {
if (!fs.existsSync(cacheDir)) {
fs.mkdirSync(cacheDir, { recursive: true });
}
const osName = getOS();
const arch = getArch();
const bundledJava = getBundledJavaPath();
const bundledJava = getBundledJavaPath(jreDir);
if (bundledJava) {
console.log('Java runtime found, skipping download');
return;
@@ -458,7 +469,7 @@ async function downloadJRE(progressCallback) {
}
const fileName = path.basename(platform.url);
const cacheFile = path.join(CACHE_DIR, fileName);
const cacheFile = path.join(cacheDir, fileName);
if (!fs.existsSync(cacheFile)) {
if (progressCallback) {
@@ -487,12 +498,12 @@ async function downloadJRE(progressCallback) {
progressCallback('Unpacking Java runtime...', null, null, null, null);
}
console.log('Unpacking Java runtime...');
await extractJRE(cacheFile, JRE_DIR);
await extractJRE(cacheFile, jreDir);
if (process.platform !== 'win32') {
const javaCandidates = [
path.join(JRE_DIR, 'bin', JAVA_EXECUTABLE),
path.join(JRE_DIR, 'Contents', 'Home', 'bin', JAVA_EXECUTABLE)
path.join(jreDir, 'bin', JAVA_EXECUTABLE),
path.join(jreDir, 'Contents', 'Home', 'bin', JAVA_EXECUTABLE)
];
for (const javaPath of javaCandidates) {
if (fs.existsSync(javaPath)) {
@@ -501,7 +512,7 @@ async function downloadJRE(progressCallback) {
}
}
flattenJREDir(JRE_DIR);
flattenJREDir(jreDir);
try {
fs.unlinkSync(cacheFile);
@@ -584,13 +595,13 @@ function flattenJREDir(jreLatest) {
}
}
function getBundledJavaPath() {
function getBundledJavaPath(jreDir = JRE_DIR) {
const candidates = [
path.join(JRE_DIR, 'bin', JAVA_EXECUTABLE)
path.join(jreDir, 'bin', JAVA_EXECUTABLE)
];
if (process.platform === 'darwin') {
candidates.push(path.join(JRE_DIR, 'Contents', 'Home', 'bin', JAVA_EXECUTABLE));
candidates.push(path.join(jreDir, 'Contents', 'Home', 'bin', JAVA_EXECUTABLE));
}
for (const candidate of candidates) {
@@ -602,8 +613,8 @@ function getBundledJavaPath() {
return null;
}
function getJavaExec() {
const bundledJava = getBundledJavaPath();
function getJavaExec(jreDir = JRE_DIR) {
const bundledJava = getBundledJavaPath(jreDir);
if (bundledJava) {
return bundledJava;
}
@@ -635,10 +646,51 @@ function findClientPath(gameLatest) {
return null;
}
async function launchGame(playerName = 'Player', progressCallback, javaPathOverride) {
createFolders();
function isGameInstalled() {
const appDir = getResolvedAppDir();
const gameDir = path.join(appDir, 'release', 'package', 'game', 'latest');
const clientPath = findClientPath(gameDir);
return clientPath !== null;
}
async function uninstallGame() {
const appDir = getResolvedAppDir();
if (!fs.existsSync(appDir)) {
throw new Error('Game is not installed');
}
try {
fs.rmSync(appDir, { recursive: true, force: true });
console.log('Game uninstalled successfully - removed entire HytaleF2P folder');
if (fs.existsSync(CONFIG_FILE)) {
const config = loadConfig();
delete config.installPath;
fs.writeFileSync(CONFIG_FILE, JSON.stringify(config, null, 2), 'utf8');
}
} catch (error) {
throw new Error(`Failed to uninstall game: ${error.message}`);
}
}
async function launchGame(playerName = 'Player', progressCallback, javaPathOverride, installPathOverride) {
const customAppDir = getResolvedAppDir(installPathOverride);
const customCacheDir = path.join(customAppDir, 'cache');
const customToolsDir = path.join(customAppDir, 'butler');
const customGameDir = path.join(customAppDir, 'release', 'package', 'game', 'latest');
const customJreDir = path.join(customAppDir, 'release', 'package', 'jre', 'latest');
[customAppDir, customCacheDir, customToolsDir].forEach(dir => {
if (!fs.existsSync(dir)) {
fs.mkdirSync(dir, { recursive: true });
}
});
saveUsername(playerName);
if (installPathOverride) {
saveInstallPath(installPathOverride);
}
const configuredJava = (javaPathOverride !== undefined && javaPathOverride !== null
? javaPathOverride
@@ -652,7 +704,7 @@ async function launchGame(playerName = 'Player', progressCallback, javaPathOverr
}
} else {
try {
await downloadJRE(progressCallback);
await downloadJRE(progressCallback, customCacheDir, customJreDir);
} catch (error) {
const fallback = await detectSystemJava();
if (fallback) {
@@ -663,11 +715,11 @@ async function launchGame(playerName = 'Player', progressCallback, javaPathOverr
}
if (!javaBin) {
javaBin = getJavaExec();
javaBin = getJavaExec(customJreDir);
}
}
const gameLatest = GAME_DIR;
const gameLatest = customGameDir;
let clientPath = findClientPath(gameLatest);
if (!clientPath) {
@@ -675,8 +727,8 @@ async function launchGame(playerName = 'Player', progressCallback, javaPathOverr
progressCallback('Fetching game files...', null, null, null, null);
}
console.log('Game files missing, downloading and installing patch...');
const pwrFile = await downloadPWR('release', '1.pwr', progressCallback);
await applyPWR(pwrFile, progressCallback);
const pwrFile = await downloadPWR('release', '1.pwr', progressCallback, customCacheDir);
await applyPWR(pwrFile, progressCallback, customGameDir, customToolsDir);
}
clientPath = findClientPath(gameLatest);
@@ -742,11 +794,25 @@ function loadJavaPath() {
return config.javaPath || '';
}
function saveInstallPath(installPath) {
const trimmed = (installPath || '').trim();
saveConfig({ installPath: trimmed });
}
function loadInstallPath() {
const config = loadConfig();
return config.installPath || '';
}
module.exports = {
launchGame,
saveUsername,
loadUsername,
saveJavaPath,
loadJavaPath,
saveInstallPath,
loadInstallPath,
isGameInstalled,
uninstallGame,
getJavaDetection
};