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const fs = require("fs");
const path = require("path");
const { app, dialog, ipcMain } = require("electron");
const Emitter = require("events");
const events = new Emitter();
const cli = require("./cli");
const unzip = require("unzipper");
const request = require("request");
const exec = require("child_process").spawn;
const { https } = require("follow-redirects");
process.chdir(app.getPath("appData"));
var settings = {
gamepath: "",
zip: "/northstar.zip",
excludes: [
"ns_startup_args.txt",
"ns_startup_args_dedi.txt"
]
}
if (fs.existsSync("viper.json")) {
settings = {...settings, ...JSON.parse(fs.readFileSync("viper.json", "utf8"))};
settings.zip = path.join(settings.gamepath + "/northstar.zip");
} else {
console.log("Game path is not set! Please select the path.");
}
function setpath(win) {
if (! win) {
settings.gamepath = cli.param("setpath");
} else {
dialog.showOpenDialog({properties: ["openDirectory"]}).then(res => {
settings.gamepath = res.filePaths[0];
settings.zip = path.join(settings.gamepath + "/northstar.zip");
saveSettings();
win.webContents.send("newpath", settings.gamepath);
}).catch(err => {console.error(err)})
}
fs.writeFileSync(app.getPath("appData") + "/viper.json", JSON.stringify({...settings}));
cli.exit();
}
function saveSettings() {
fs.writeFileSync(app.getPath("appData") + "/viper.json", JSON.stringify(settings));
}
function getInstalledVersion() {
const versionFilePath = path.join(settings.gamepath, 'ns_version.txt');
if (fs.existsSync(versionFilePath)) {
return fs.readFileSync(versionFilePath, "utf8");
} else {
fs.writeFileSync(versionFilePath, 'unknown');
return 'unknown';
}
}
function updateInstalledVersion(newTag) {
fs.writeFileSync(path.join(settings.gamepath, 'ns_version.txt'), newTag);
}
function update() {
for (let i = 0; i < settings.excludes.length; i++) {
let exclude = path.join(settings.gamepath + "/" + settings.excludes[i]);
if (fs.existsSync(exclude)) {
fs.renameSync(exclude, exclude + ".excluded")
}
}
console.log("Checking for updates...");
const version = getInstalledVersion();
request({
json: true,
headers: {"User-Agent": "Viper"},
url: "https://api.github.com/repos/R2Northstar/Northstar/releases/latest",
}, (error, response, body) => {
const tag = body['tag_name'];
console.log('current version:', version);
console.log('remote version:', tag);
if (version === tag) {
console.log('Latest version is already installed, skipping update.');
return;
}
https.get(body.assets[0].browser_download_url, (res) => {
let stream = fs.createWriteStream(settings.zip);
res.pipe(stream);
stream.on("finish", () => {
stream.close();
console.log("Download done! Extracting...");
fs.createReadStream(settings.zip).pipe(unzip.Extract({path: settings.gamepath}))
.on("finish", () => {
console.log("Installation/Update finished!");
updateInstalledVersion(tag);
events.emit("updated");
for (let i = 0; i < settings.excludes.length; i++) {
let exclude = path.join(settings.gamepath + "/" + settings.excludes[i]);
if (fs.existsSync(exclude + ".excluded")) {
fs.renameSync(exclude + ".excluded", exclude)
}
}
cli.exit();
});
})
})
})
}
function launch(version) {
if (process.platform == "linux") {
console.error("error: Launching the game is not currently supported on Linux")
cli.exit(1);
}
process.chdir(settings.gamepath);
switch(version) {
case "vanilla":
console.log("Launching Vanilla...")
exec(path.join(settings.gamepath + "/Titanfall2.exe"))
break;
default:
console.log("Launching Northstar...")
exec(path.join(settings.gamepath + "/NorthstarLauncher.exe"))
break;
}
}
module.exports = {
launch,
update,
setpath,
settings,
}
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