Supports new 1.12.2 forge through installer. Simplified Forge related functions
This commit is contained in:
Pierce 2021-01-08 17:00:30 -05:00
parent f947379727
commit 6efbc5e2c5
4 changed files with 154 additions and 174 deletions

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@ -2,7 +2,7 @@
##### This project is complete for now.
[![Build Status](https://travis-ci.com/Pierce01/MinecraftLauncher-core.svg?branch=master)](https://travis-ci.com/Pierce01/MinecraftLauncher-core)
[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
![version](https://img.shields.io/badge/stable_version-3.14.6-blue)
![version](https://img.shields.io/badge/stable_version-3.16.0-blue)
![badge](https://img.shields.io/badge/ncurses-not_supported-purple)
MCLC (Minecraft Launcher Core) is a NodeJS solution for launching modded and vanilla Minecraft without having to download and format everything yourself.

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@ -245,7 +245,7 @@ class Handler {
const natives = async () => {
const natives = []
await Promise.all(this.version.libraries.map(async (lib) => {
if (!lib.downloads.classifiers) return
if (!lib.downloads || !lib.downloads.classifiers) return
if (this.parseRule(lib)) return
const native = this.getOS() === 'osx'
@ -296,165 +296,153 @@ class Handler {
return nativeDirectory
}
// Not bothering to rewrite this.
async getForgeDependenciesLegacy () {
if (!fs.existsSync(path.join(this.options.root, 'forge'))) {
fs.mkdirSync(path.join(this.options.root, 'forge'), { recursive: true })
}
const zipFile = new Zip(this.options.forge)
if (zipFile.getEntry('install_profile.json')) {
this.client.emit('debug', '[MCLC]: Detected Forge installer, will treat as custom with ForgeWrapper')
return false
}
try {
await zipFile.extractEntryTo('version.json', path.join(this.options.root, 'forge', `${this.version.id}`), false, true)
} catch (e) {
this.client.emit('debug', `[MCLC]: Unable to extract version.json from the forge jar due to ${e}`)
return null
}
const forge = JSON.parse(fs.readFileSync(path.join(this.options.root, 'forge', `${this.version.id}`, 'version.json'), { encoding: 'utf8' }))
const paths = []
this.client.emit('progress', {
type: 'forge',
task: 0,
total: forge.libraries.length
})
const libraryDirectory = path.resolve(this.options.overrides.libraryRoot || path.join(this.options.root, 'libraries'))
await Promise.all(forge.libraries.map(async library => {
const lib = library.name.split(':')
if (lib[0] === 'net.minecraftforge' && lib[1].includes('forge')) return
let url = this.options.overrides.url.mavenForge
const jarPath = path.join(libraryDirectory, `${lib[0].replace(/\./g, '/')}/${lib[1]}/${lib[2]}`)
const name = `${lib[1]}-${lib[2]}.jar`
if (!library.url) {
if (library.serverreq || library.clientreq) {
url = this.options.overrides.url.defaultRepoForge
} else {
return
}
}
const downloadLink = `${url}${lib[0].replace(/\./g, '/')}/${lib[1]}/${lib[2]}/${name}`
if (fs.existsSync(path.join(jarPath, name))) {
paths.push(`${jarPath}${path.sep}${name}`)
counter++
this.client.emit('progress', { type: 'forge', task: counter, total: forge.libraries.length })
return
}
if (!fs.existsSync(jarPath)) fs.mkdirSync(jarPath, { recursive: true })
const download = await this.downloadAsync(downloadLink, jarPath, name, true, 'forge')
if (!download) await this.downloadAsync(`${this.options.overrides.url.fallbackMaven}${lib[0].replace(/\./g, '/')}/${lib[1]}/${lib[2]}/${name}`, jarPath, name, true, 'forge')
paths.push(`${jarPath}${path.sep}${name}`)
counter++
this.client.emit('progress', {
type: 'forge',
task: counter,
total: forge.libraries.length
})
}))
counter = 0
this.client.emit('debug', '[MCLC]: Downloaded Forge dependencies')
return { paths, forge }
fwAddArgs () {
const forgeWrapperAgrs = [
`-Dforgewrapper.librariesDir=${path.resolve(this.options.overrides.libraryRoot || path.join(this.options.root, 'libraries'))}`,
`-Dforgewrapper.installer=${this.options.forge}`,
`-Dforgewrapper.minecraft=${this.options.mcPath}`
]
this.options.customArgs
? this.options.customArgs = this.options.customArgs.concat(forgeWrapperAgrs)
: this.options.customArgs = forgeWrapperAgrs
}
getForgedWrapped () {
return new Promise(resolve => {
const forgeWrapperAgrs = [
`-Dforgewrapper.librariesDir=${path.resolve(this.options.overrides.libraryRoot || path.join(this.options.root, 'libraries'))}`,
`-Dforgewrapper.installer=${this.options.forge}`,
`-Dforgewrapper.minecraft=${this.options.mcPath}`
]
this.options.customArgs
? this.options.customArgs = this.options.customArgs.concat(forgeWrapperAgrs)
: this.options.customArgs = forgeWrapperAgrs
let json = null
const versionPath = path.join(this.options.root, 'forge', `${this.version.id}`, 'version.json')
// Since we're building a proper "custom" JSON that will work nativly with MCLC, the version JSON will not
// be re-generated on the next run.
if (fs.existsSync(versionPath)) {
try {
json = JSON.parse(fs.readFileSync(versionPath))
if (!json.forgeWrapperVersion || !(json.forgeWrapperVersion === this.fw.version)) {
this.client.emit('debug', '[MCLC]: Old ForgeWrapper has generated this version JSON, re-generating')
} else {
return resolve(json)
}
} catch (e) {
this.client.emit('debug', '[MCLC]: Failed to parse Forge version JSON, re-generating')
}
}
this.client.emit('debug', '[MCLC]: Generating a proper version json, this might take a bit')
const zipFile = new Zip(this.options.forge)
json = zipFile.readAsText('version.json')
let installerJson = zipFile.readAsText('install_profile.json')
async getForgedWrapped () {
let json = null
let installerJson = null
const versionPath = path.join(this.options.root, 'forge', `${this.version.id}`, 'version.json')
// Since we're building a proper "custom" JSON that will work nativly with MCLC, the version JSON will not
// be re-generated on the next run.
if (fs.existsSync(versionPath)) {
try {
json = JSON.parse(json)
installerJson = JSON.parse(installerJson)
json = JSON.parse(fs.readFileSync(versionPath))
if (!json.forgeWrapperVersion || !(json.forgeWrapperVersion === this.options.fw.version)) {
this.client.emit('debug', '[MCLC]: Old ForgeWrapper has generated this version JSON, re-generating')
} else {
this.fwAddArgs()
// Make MCLC treat modern forge as a custom version json rather then legacy forge.
this.options.forge = null
return json
}
} catch (e) {
this.client.emit('debug', '[MCLC]: Failed to load json files for ForgeWrapper, using Vanilla instead')
return resolve(null)
console.warn(e)
this.client.emit('debug', '[MCLC]: Failed to parse Forge version JSON, re-generating')
}
// So we know when to re-generate the file when there's a new ForgeWrapper version.
json.forgeWrapperVersion = this.options.fw.version
// Adding the installer libraries as mavenFiles so MCLC downloads them but doesn't add them to the class paths.
}
this.client.emit('debug', '[MCLC]: Generating a proper version json, this might take a bit')
const zipFile = new Zip(this.options.forge)
json = zipFile.readAsText('version.json')
if (zipFile.getEntry('install_profile.json')) installerJson = zipFile.readAsText('install_profile.json')
try {
json = JSON.parse(json)
if (installerJson) installerJson = JSON.parse(installerJson)
} catch (e) {
this.client.emit('debug', '[MCLC]: Failed to load json files for ForgeWrapper, using Vanilla instead')
return null
}
// Adding the installer libraries as mavenFiles so MCLC downloads them but doesn't add them to the class paths.
if (installerJson) {
json.mavenFiles
? json.mavenFiles = json.mavenFiles.concat(installerJson.libraries)
: json.mavenFiles = installerJson.libraries
}
// Modifying inital forge entry to include launcher so ForgeWrapper can work properly
json.libraries[0].name = json.libraries[0].name + ':launcher'
json.libraries[0].downloads.artifact.path = json.libraries[0].downloads.artifact.path.replace('.jar', '-launcher.jar')
json.libraries[0].downloads.artifact.url = 'https://files.minecraftforge.net/maven/' + json.libraries[0].downloads.artifact.path
// Providing a download URL to the universal jar library so it can be downloaded properly.
for (const library of json.mavenFiles) {
const lib = library.name.split(':')
if (lib[0] === 'net.minecraftforge' && lib[1].includes('forge')) {
library.downloads.artifact.url = 'https://files.minecraftforge.net/maven/' + library.downloads.artifact.path
break
}
}
// Holder for the specifc jar ending which depends on the specifc forge version.
let jarEnding = 'universal'
// We need to handle modern forge differently than legacy.
if (json.inheritsFrom && json.inheritsFrom.split('.')[1] >= 12) {
// If forge is modern and above 1.12, we add ForgeWrapper to the libraries so MCLC includes it in the classpaths.
if (json.inheritsFrom !== '1.12.2') {
this.fwAddArgs()
const fwName = `ForgeWrapper-${this.options.fw.version}.jar`
const fwPathArr = ['io', 'github', 'zekerzhayard', 'ForgeWrapper', this.options.fw.version]
json.libraries.push({
name: fwPathArr.join(':'),
downloads: {
artifact: {
path: [...fwPathArr, fwName].join('/'),
url: `${this.options.fw.baseUrl}${this.options.fw.version}/${fwName}`,
sha1: this.options.fw.sh1,
size: this.options.fw.size
}
}
})
json.mainClass = 'io.github.zekerzhayard.forgewrapper.installer.Main'
jarEnding = 'launcher'
const fwName = `ForgeWrapper-${this.options.fw.version}.jar`
const fwPathArr = ['io', 'github', 'zekerzhayard', 'ForgeWrapper', this.options.fw.version]
// Adding ForgeWrapper to the libraries list so MCLC includes it in the classpaths.
json.libraries.push({
name: fwPathArr.join(':'),
downloads: {
artifact: {
path: [...fwPathArr, fwName].join('/'),
url: `${this.options.fw.baseUrl}${this.options.fw.version}/${fwName}`,
sha1: this.options.fw.sh1,
size: this.options.fw.size
// Providing a download URL to the universal jar mavenFile so it can be downloaded properly.
for (const library of json.mavenFiles) {
const lib = library.name.split(':')
if (lib[0] === 'net.minecraftforge' && lib[1].includes('forge')) {
library.downloads.artifact.url = 'https://files.minecraftforge.net/maven/' + library.downloads.artifact.path
break
}
}
} else {
// Remove the forge dependent since we're going to overwrite the first entry anyways.
for (const library in json.mavenFiles) {
const lib = json.mavenFiles[library].name.split(':')
if (lib[0] === 'net.minecraftforge' && lib[1].includes('forge')) {
delete json.mavenFiles[library]
break
}
}
})
json.mainClass = 'io.github.zekerzhayard.forgewrapper.installer.Main'
if (!fs.existsSync(path.join(this.options.root, 'forge', this.version.id))) {
fs.mkdirSync(path.join(this.options.root, 'forge', this.version.id), { recursive: true })
}
fs.writeFileSync(versionPath, JSON.stringify(json, null, 4))
} else {
// Modifying legacy library format to play nice with MCLC's downloadToDirectory function.
await Promise.all(json.libraries.map(async library => {
const lib = library.name.split(':')
if (lib[0] === 'net.minecraftforge' && lib[1].includes('forge')) return
return resolve(json)
})
let url = this.options.overrides.url.mavenForge
const name = `${lib[1]}-${lib[2]}.jar`
if (!library.url) {
if (library.serverreq || library.clientreq) {
url = this.options.overrides.url.defaultRepoForge
} else {
return
}
}
library.url = url
const downloadLink = `${url}${lib[0].replace(/\./g, '/')}/${lib[1]}/${lib[2]}/${name}`
// Checking if the file still exists on Forge's server, if not, replace it with the fallback.
// Not checking for sucess, only if it 404s.
this.baseRequest(downloadLink, (error, response, body) => {
if (error) {
this.client.emit('debug', `[MCLC]: Failed checking request for ${downloadLink}`)
} else {
if (response.statusCode === 404) library.url = this.options.overrides.url.fallbackMaven
}
})
}))
}
// If a downloads property exists, we modify the inital forge entry to include ${jarEnding} so ForgeWrapper can work properly.
// If it doesn't, we simply remove it since we're already providing the universal jar.
if (json.libraries[0].downloads) {
json.libraries[0].name = json.libraries[0].name + `:${jarEnding}`
json.libraries[0].downloads.artifact.path = json.libraries[0].downloads.artifact.path.replace('.jar', `-${jarEnding}.jar`)
json.libraries[0].downloads.artifact.url = 'https://files.minecraftforge.net/maven/' + json.libraries[0].downloads.artifact.path
} else {
delete json.libraries[0]
}
// Removing duplicates and null types
json.libraries = this.cleanUp(json.libraries)
if (json.mavenFiles) json.mavenFiles = this.cleanUp(json.mavenFiles)
// Saving file for next run!
if (!fs.existsSync(path.join(this.options.root, 'forge', this.version.id))) {
fs.mkdirSync(path.join(this.options.root, 'forge', this.version.id), { recursive: true })
}
fs.writeFileSync(versionPath, JSON.stringify(json, null, 4))
// Make MCLC treat modern forge as a custom version json rather then legacy forge.
this.options.forge = null
return json
}
runInstaller (path) {
@ -517,7 +505,7 @@ class Handler {
}
const parsed = this.version.libraries.map(lib => {
if (lib.downloads.artifact && !this.parseRule(lib)) return lib
if (lib.downloads && lib.downloads.artifact && !this.parseRule(lib)) return lib
})
libs = libs.concat((await this.downloadToDirectory(libraryDirectory, parsed, 'classes')))
@ -536,7 +524,7 @@ class Handler {
cleanUp (array) {
const newArray = []
for (const classPath in array) {
if (newArray.includes(array[classPath])) continue
if (newArray.includes(array[classPath]) || array[classPath] === null) continue
newArray.push(array[classPath])
}
return newArray

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@ -59,7 +59,7 @@ class MCLCore extends EventEmitter {
}
if (this.options.installer) {
// So the forge installer can run without breaking :)
// So installers that create a profile in launcher_profiles.json can run without breaking.
const profilePath = path.join(this.options.root, 'launcher_profiles.json')
if (!fs.existsSync(profilePath)) { fs.writeFileSync(profilePath, JSON.stringify({}, null, 4)) }
await this.handler.runInstaller(this.options.installer)
@ -80,17 +80,15 @@ class MCLCore extends EventEmitter {
await this.handler.getJar()
}
let forge = null
let custom = null
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')
forge = await this.handler.getForgeDependenciesLegacy()
if (forge === false) custom = await this.handler.getForgedWrapped()
modifyJson = await this.handler.getForgedWrapped()
}
if (this.options.version.custom || custom) {
if (!custom) this.emit('debug', '[MCLC]: Detected custom in options, setting custom version file')
custom = custom || JSON.parse(fs.readFileSync(path.join(this.options.root, 'versions', this.options.version.custom, `${this.options.version.custom}.json`), { encoding: 'utf8' }))
if (this.options.version.custom) {
this.emit('debug', '[MCLC]: Detected custom in options, setting custom version file')
modifyJson = modifyJson || JSON.parse(fs.readFileSync(path.join(this.options.root, 'versions', this.options.version.custom, `${this.options.version.custom}.json`), { encoding: 'utf8' }))
}
const args = []
@ -110,30 +108,24 @@ class MCLCore extends EventEmitter {
if (this.options.customArgs) jvm = jvm.concat(this.options.customArgs)
const classes = this.options.overrides.classes || this.handler.cleanUp(await this.handler.getClasses(custom))
const classes = this.options.overrides.classes || this.handler.cleanUp(await this.handler.getClasses(modifyJson))
const classPaths = ['-cp']
const separator = this.handler.getOS() === 'windows' ? ';' : ':'
this.emit('debug', `[MCLC]: Using ${separator} to separate class paths`)
if (forge) {
this.emit('debug', '[MCLC]: Setting Forge class paths')
classPaths.push(`${path.resolve(this.options.forge)}${separator}${forge.paths.join(separator)}${separator}${classes.join(separator)}${separator}${mcPath}`)
classPaths.push(forge.forge.mainClass)
} else {
const file = custom || versionFile
// So mods like fabric work.
const jar = fs.existsSync(mcPath)
? `${separator}${mcPath}`
: `${separator}${path.join(directory, `${this.options.version.number}.jar`)}`
classPaths.push(`${classes.join(separator)}${jar}`)
classPaths.push(file.mainClass)
}
// Handling launch arguments.
const file = modifyJson || versionFile
// So mods like fabric work.
const jar = fs.existsSync(mcPath)
? `${separator}${mcPath}`
: `${separator}${path.join(directory, `${this.options.version.number}.jar`)}`
classPaths.push(`${this.options.forge ? this.options.forge + separator : ''}${classes.join(separator)}${jar}`)
classPaths.push(file.mainClass)
this.emit('debug', '[MCLC]: Attempting to download assets')
await this.handler.getAssets()
// Forge -> Custom -> Vanilla
const modification = forge ? forge.forge : null || custom ? custom : null
const launchOptions = await this.handler.getLaunchOptions(modification)
const launchOptions = await this.handler.getLaunchOptions(modifyJson)
const launchArguments = args.concat(jvm, classPaths, launchOptions)
this.emit('arguments', launchArguments)

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@ -1,6 +1,6 @@
{
"name": "minecraft-launcher-core",
"version": "3.15.6",
"version": "3.16.0",
"description": "Lightweight module that downloads and runs Minecraft using javascript / NodeJS",
"main": "index.js",
"dependencies": {