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Merge pull request #63 from KevSlashNull/Split-large-MCLCore-launch-into-multiple-methods

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Split large MCLCore#launch into multiple methods
This commit is contained in:
Pierce 2021-02-10 16:58:39 -08:00 • committed by GitHub
commit 5ebe15c7e9
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 61 additions and 28 deletions
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83
components/launcher.js
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@ -31,9 +31,8 @@ class MCLCore extends EventEmitter {
this.handler = new Handler(this)
if (fs.existsSync(path.join(__dirname, '..', 'package.json'))) {
this.emit('debug', `[MCLC]: MCLC version ${JSON.parse(fs.readFileSync(path.join(__dirname, '..', 'package.json'), { encoding: 'utf8' })).version}`)
} else { this.emit('debug', '[MCLC]: Package JSON not found, skipping MCLC version check.') }
this.printVersion()
const java = await this.handler.checkJava(this.options.javaPath || 'java')
if (!java.run) {
this.emit('debug', `[MCLC]: Couldn't start Minecraft due to: ${java.message}`)
@ -41,22 +40,10 @@ class MCLCore extends EventEmitter {
return null
}
if (!fs.existsSync(this.options.root)) {
this.emit('debug', '[MCLC]: Attempting to create root folder')
fs.mkdirSync(this.options.root)
}
this.createRootDirectory()
this.createGameDirectory()
if (this.options.overrides.gameDirectory) {
this.options.overrides.gameDirectory = path.resolve(this.options.overrides.gameDirectory)
if (!fs.existsSync(this.options.overrides.gameDirectory)) {
fs.mkdirSync(this.options.overrides.gameDirectory, { recursive: true })
}
}
if (this.options.clientPackage) {
this.emit('debug', `[MCLC]: Extracting client package to ${this.options.root}`)
await this.handler.extractPackage()
}
await this.extractPackage()
if (this.options.installer) {
// So installers that create a profile in launcher_profiles.json can run without breaking.
@ -80,15 +67,7 @@ class MCLCore extends EventEmitter {
await this.handler.getJar()
}
let modifyJson = null
if (this.options.forge) {
this.options.forge = path.resolve(this.options.forge)
this.emit('debug', '[MCLC]: Detected Forge in options, getting dependencies')
modifyJson = await this.handler.getForgedWrapped()
} else if (this.options.version.custom) {
this.emit('debug', '[MCLC]: Detected custom in options, setting custom version file')
modifyJson = modifyJson || JSON.parse(fs.readFileSync(path.join(this.options.root, 'versions', this.options.version.custom, `${this.options.version.custom}.json`), { encoding: 'utf8' }))
}
const modifyJson = await this.getModifyJson()
const args = []
@ -130,12 +109,60 @@ class MCLCore extends EventEmitter {
this.emit('arguments', launchArguments)
this.emit('debug', `[MCLC]: Launching with arguments ${launchArguments.join(' ')}`)
return this.startMinecraft(launchArguments)
}
printVersion () {
if (fs.existsSync(path.join(__dirname, '..', 'package.json'))) {
const { version } = require('../package.json')
this.emit('debug', `[MCLC]: MCLC version ${version}`)
} else { this.emit('debug', '[MCLC]: Package JSON not found, skipping MCLC version check.') }
}
createRootDirectory () {
if (!fs.existsSync(this.options.root)) {
this.emit('debug', '[MCLC]: Attempting to create root folder')
fs.mkdirSync(this.options.root)
}
}
createGameDirectory () {
if (this.options.overrides.gameDirectory) {
this.options.overrides.gameDirectory = path.resolve(this.options.overrides.gameDirectory)
if (!fs.existsSync(this.options.overrides.gameDirectory)) {
fs.mkdirSync(this.options.overrides.gameDirectory, { recursive: true })
}
}
}
async extractPackage () {
if (this.options.clientPackage) {
this.emit('debug', `[MCLC]: Extracting client package to ${this.options.root}`)
await this.handler.extractPackage()
}
}
async getModifyJson () {
let modifyJson = null
if (this.options.forge) {
this.options.forge = path.resolve(this.options.forge)
this.emit('debug', '[MCLC]: Detected Forge in options, getting dependencies')
modifyJson = await this.handler.getForgedWrapped()
} else if (this.options.version.custom) {
this.emit('debug', '[MCLC]: Detected custom in options, setting custom version file')
modifyJson = modifyJson || JSON.parse(fs.readFileSync(path.join(this.options.root, 'versions', this.options.version.custom, `${this.options.version.custom}.json`), { encoding: 'utf8' }))
}
return modifyJson
}
startMinecraft (launchArguments) {
const minecraft = child.spawn(this.options.javaPath ? this.options.javaPath : 'java', launchArguments,
{ cwd: this.options.overrides.cwd || this.options.root, detached: this.options.overrides.detached })
minecraft.stdout.on('data', (data) => this.emit('data', data.toString('utf-8')))
minecraft.stderr.on('data', (data) => this.emit('data', data.toString('utf-8')))
minecraft.on('close', (code) => this.emit('close', code))
return minecraft
}
}

6
index.d.ts vendored
View file

@ -206,6 +206,12 @@ declare module "minecraft-launcher-core" {
export class Client extends EventEmitter {
launch(options: ILauncherOptions): Promise<ChildProcessWithoutNullStreams | null>;
protected printVersion(): void;
protected createRootDirectory(): void;
protected createGameDirectory(): void;
protected async extractPackage(): void;
protected async getModifyJson(): any;
protected startMinecraft(launchArguments: string[]): Promise<ChildProcessWithoutNullStreams>;
}
export const Authenticator: IAuthenticator;