136 lines
4.7 KiB
JavaScript
136 lines
4.7 KiB
JavaScript
const mojang = require('mojang')
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const uuidV4 = require('uuid/v4')
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const path = require('path')
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const child_process = require('child_process')
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const ag = require('./assetguard.js')
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const fs = require('fs')
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const unzip = require('unzip')
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const mkpath = require('mkdirp');
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launchMinecraft = function(versionData, basePath){
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const authPromise = mojang.auth('EMAIL', 'PASS', uuidV4(), {
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name: 'Minecraft',
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version: 1
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})
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authPromise.then(function(data){
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const args = finalizeArguments(versionData, data, basePath)
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//TODO make this dynamic
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const child = child_process.spawn('C:\\Program Files\\Java\\jre1.8.0_131\\bin\\javaw.exe', args)
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})
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}
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finalizeArguments = function(versionData, authData, basePath){
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const mcArgs = versionData['minecraftArguments']
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const gameProfile = authData['selectedProfile']
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const regex = new RegExp('\\${*(.*)}')
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const argArr = mcArgs.split(' ')
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argArr.unshift('net.minecraft.client.main.Main')
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argArr.unshift(classpathArg(versionData, basePath))
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argArr.unshift('-cp')
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argArr.unshift('-Djava.library.path=' + path.join(basePath, 'natives'))
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argArr.unshift('-Xmn128M')
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argArr.unshift('-XX:-UseAdaptiveSizePolicy')
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argArr.unshift('-XX:+CMSIncrementalMode')
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argArr.unshift('-XX:+UseConcMarkSweepGC')
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argArr.unshift('-Xmx1G')
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for(let i=0; i<argArr.length; i++){
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if(regex.test(argArr[i])){
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const identifier = argArr[i].match(regex)[1]
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let newVal = argArr[i]
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switch(identifier){
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case 'auth_player_name':
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newVal = gameProfile['name']
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break
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case 'version_name':
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newVal = versionData['id']
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break
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case 'game_directory':
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newVal = basePath
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break
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case 'assets_root':
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newVal = path.join(basePath, 'assets')
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break
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case 'assets_index_name':
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newVal = versionData['assets']
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break
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case 'auth_uuid':
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newVal = gameProfile['id']
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break
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case 'auth_access_token':
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newVal = authData['accessToken']
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break
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case 'user_type':
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newVal = 'MOJANG'
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break
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case 'version_type':
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newVal = versionData['type']
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break
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}
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argArr[i] = newVal
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}
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}
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return argArr
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}
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classpathArg = function(versionData, basePath){
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const libArr = versionData['libraries']
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const libPath = path.join(basePath, 'libraries')
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const nativePath = path.join(basePath, 'natives')
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const version = versionData['id']
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const cpArgs = [path.join(basePath, 'versions', version, version + '.jar')]
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libArr.forEach(function(lib){
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if(ag.Library.validateRules(lib['rules'])){
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if(lib['natives'] == null){
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const dlInfo = lib['downloads']
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const artifact = dlInfo['artifact']
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const to = path.join(libPath, artifact['path'])
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cpArgs.push(to)
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} else {
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//Now we need to extract natives.
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const natives = lib['natives']
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const extractInst = lib['extract']
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const exclusionArr = extractInst['exclude']
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const opSys = ag.Library.mojangFriendlyOS()
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const indexId = natives[opSys]
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const dlInfo = lib['downloads']
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const classifiers = dlInfo['classifiers']
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const artifact = classifiers[indexId]
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const to = path.join(libPath, artifact['path'])
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fs.createReadStream(to).pipe(unzip.Parse()).on('entry', function(entry){
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const fileName = entry.path
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const type = entry.type
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const size = entry.size
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console.log(fileName)
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let shouldExclude = false
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exclusionArr.forEach(function(exclusion){
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if(exclusion.indexOf(fileName) > -1){
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shouldExclude = true
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}
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})
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if(shouldExclude){
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entry.autodrain()
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}
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else {
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mkpath.sync(path.join(nativePath, fileName, '..'))
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entry.pipe(fs.createWriteStream(path.join(nativePath, fileName)))
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}
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})
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cpArgs.push(to)
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}
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}
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})
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return cpArgs.join(';')
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}
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module.exports = {
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launchMinecraft
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} |