修改日志分析器 (#2495 )

* 小小的修改下细节 * 修改细节 * 修改链接 * add failed_to_load_a_library * 修改一些细节 * 发现重复项（ * add NEED_JDK11 rule minecraft-exported-crash-info-2023-08-30T18-53-01.zip!/minecraft.log: https://mclo.gs/PGKK8xD * 修改 Java 下载地址 * add INSTALL_MIXINBOOTSTRAP minecraft-exported-crash-info-2023-08-31T20-24-28.zip!/minecraft.log: https://mclo.gs/0gmBukK * Update I18N_zh_CN.properties * Update I18N.properties * Update I18N_zh_CN.properties * d * Update I18N_zh_CN.properties * Update I18N_zh_CN.properties * Update I18N_zh_CN.properties * add INCOMPLETE_FORGE_INSTALLATION * update lang * Close https://github.com/HMCL-dev/HMCL/issues/2199. add mixin_apply_mod_failed * fix * Add crash report analyzer for RTSS and Sodium compatibility * Fix compatibility issue with RivaTuner Statistics Server (RTSS) and Sodium * Update CrashReportAnalyzer.java --------- Co-authored-by: burningtnt <pangyl08@163.com> Co-authored-by: Glavo <zjx001202@gmail.com>
改进 ModLoader 兼容性检测 (#2730 )
2024-02-06 02:33:42 +08:00 · 2024-02-04 19:40:23 +08:00 · 2024-02-04 19:32:23 +08:00 · 2024-02-03 22:10:18 +08:00 · 2024-02-03 21:49:52 +08:00 · 2024-02-03 20:37:29 +08:00
1030 changed files with 107026 additions and 22874 deletions
@@ -0,0 +1,55 @@
+name: Bug 反馈 | Bug Feedback
+description: 
+  反馈一个 HMCL 错误。| Bug Feedback.
+title: "[Bug] "
+labels: bug
+body:
+  - type: markdown
+    attributes:
+      value: |
+        提交前请确认：
+        * 该问题确实是 **HMCL 的错误**，而**不是 Minecraft 非正常退出**，如果你的 Minecraft 非正常退出，请前往 [KOOK 频道](https://kook.top/Kx7n3t) 或 [Discord 频道](https://discord.gg/jVvC7HfM6U) 中获取帮助。
+        * 你的启动器版本是**最新的快照版本**，可以点击 [此处](https://github.com/burningtnt/HMCL-Snapshot-Update/raw/master/datas/HMCL-dev.jar) 下载最新快照版本。
+    
+        如果你的问题并不属于上述两类，你可以选取另一种 Issue 类型，或者直接前往 [KOOK 频道](https://kook.top/Kx7n3t) 或 [Discord 频道](https://discord.gg/jVvC7HfM6U) 中获取帮助。
+        如果你希望在 QQ 群中反馈问题，请 [赞助 HMCL](https://hmcl.huangyuhui.net/api/redirect/sponsor) 后申请加入群聊，也请将下面的信息表填好直接发在群中，加快我们的沟通速度。
+        
+        Before submitting, please confirm:
+        * The issue is indeed **an error of HMCL**, not **Minecraft abnormal exit**. If your Minecraft exits abnormally, please go to the [KOOK channel](https://kook.top/Kx7n3t) or [Discord channel](https://discord.gg/jVvC7HfM6U) for help.
+        * Your launcher version is **the latest snapshot version**. You can click [here](https://github.com/burningtnt/HMCL-Snapshot-Update/raw/master/datas/HMCL-dev.jar) to download the latest snapshot version.
+        
+        If your issue does not fall into the above two categories, you can choose another type of issue or directly go to the [KOOK channel](https://kook.top/Kx7n3t) or [Discord channel](https://discord.gg/jVvC7HfM6U) for help.
+        If you want to report a problem in the QQ group, please [sponsor HMCL](https://hmcl.huangyuhui.net/api/redirect/sponsor) and apply to join the group chat. Please also fill in the information form below and send it directly in the group to speed up our communication.
+  - type: input
+    id: platform
+    attributes:
+      label: 平台 | Platform
+      description: 请输入您遇到 BUG 的平台。 Please enter the platform on which you encountered the bug. 
+      placeholder: e.g. Windows 11
+    validations:
+      required: true
+  - type: textarea
+    id: bug-report
+    attributes:
+      label: 问题描述 | Problem Description
+      description: 请尽可能地详细描述你所遇到的问题，并描述如何重新触发这个问题。 Please describe the problem you met in as much detail as possible. Besides, please describe how to trigger this problem again.
+      placeholder: |
+        1. 点击 HMCL 上的某个按钮 | Click a button named ...
+        2. 向下翻页 | Scroll down
+        3. ...
+    validations:
+      required: true
+  - type: textarea
+    id: hmcl-crash-report-or-logs
+    attributes:
+      label: 启动器崩溃报告 / 启动器日志文件 | Launcher Crash Report / Launcher Log File
+      description: |
+        如果您的启动器崩溃了，请将崩溃报告填入（或将文件拖入）下方。
+        如果您的启动器没有崩溃，请在遇到问题后不要退出启动器，在启动器的【设置】>【通用】>【调试】一栏中点击“导出启动器日志”，并将导出的日志拖到下方的输入栏中。 
+        **请注意：启动器崩溃报告或日志文件是诊断问题的重要依据，请务必上传！**
+        
+        If your launcher crashes, please fill it in (or drag the file in) below.
+        If your launcher doesn't crash, please DO NOT EXIT your launcher, click "Export Launcher Log" in the [Settings] > [General] > [Debug] column of the launcher, and drag the exported log to the input field below.
+        **Attention: The crash report or the log file is the key to solve the problem. Please update it!**
+    validations:
+      required: true
@@ -0,0 +1,14 @@
+blank_issues_enabled: false
+contact_links:
+  - name: KOOK 频道 | KOOK Channel
+    url: https://kook.top/Kx7n3t
+    about: Hello Minecraft! Launcher 的官方 KOOK 频道。| The official KOOK channel of Hello Minecraft! Laucher.
+  - name: Discord 频道 | Discord Channel
+    url: https://discord.gg/jVvC7HfM6U
+    about: Hello Minecraft! Launcher 的官方 Discord 频道。| The official Discord channel of Hello Minecraft! Launcher.
+  - name: 赞助通道 | Sponsorship channel
+    url: https://afdian.net/@huanghongxun
+    about: 前往爱发电赞助 HMCL，赞助后可以申请加入官方 QQ 群反馈问题。| Sponsor Hello Minecraft! Launcher on afdian.net and you can apply to join the official QQ group.
+  - name: 其他反馈 | Others
+    url: https://github.com/HMCL-dev/HMCL/discussions/new/choose
+    about: 通过 Discussions 反馈其他问题。| Report other problems in Discussions.
@@ -0,0 +1,22 @@
+name: 新功能 | Feature Request
+description: 为 HMCL 提出新功能 | A new feature for HMCL
+title: "[Feature] "
+labels: enhancement
+body:
+- type: markdown
+  attributes:
+    value: 请确认 Issues 列表无重复的项目。| Please make sure that no duplicated issues has already been delivered.
+- type: textarea
+  id: description
+  attributes:
+    label: 描述 | Description
+    description: 请详细描述你想加入的新功能。| Please describe the new feature detaily.
+  validations:
+    required: true
+- type: textarea
+  id: reason
+  attributes:
+    label: 原因 | Reason
+    description: 请描述该功能带来的好处及原因。| Please describe why you want to add the feature into HMCL.
+  validations:
+    required: true
@@ -0,0 +1,21 @@
+name: Check Style
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'zulu'
+          java-version: '11'
+          java-package: 'jdk+fx'
+      - name: Check style main
+        run: ./gradlew checkstyleMain
+      - name: Check style test
+        run: ./gradlew checkstyleTest
@@ -0,0 +1,19 @@
+name: Check Translations
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'zulu'
+          java-version: '11'
+          java-package: 'jdk+fx'
+      - name: Check style test
+        run: ./gradlew checkTranslations
@@ -0,0 +1,128 @@
+name: Check Update
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '30 * * * *'
+
+jobs:
+  dev-check-update:
+    if: ${{ github.repository_owner == 'HMCL-dev' }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Fetch tags
+        run: git fetch --all --tags
+      - name: Install tools
+        run: sudo apt-get install -y jq
+      - name: Fetch last version
+        run: |
+          wget -O ci.json https://ci.huangyuhui.net/job/HMCL/lastSuccessfulBuild/api/json
+          
+          export HMCL_EXE_FILE_NAME=`cat ci.json | jq -M -r '.artifacts[] | select(.fileName | endswith(".exe")) | .fileName'`
+          if [ -z `echo $HMCL_EXE_FILE_NAME | grep -E "^HMCL-[0-9]+\.[0-9]+\.[0-9]+(\.[0-9]+)?\.exe\$"` ]; then exit 1; fi
+          
+          export HMCL_VERSION=`echo "${HMCL_EXE_FILE_NAME%.exe}" | tail -c +6`
+          export HMCL_COMMIT_SHA=`cat ci.json | jq -M -r '.actions[] | select(._class == "hudson.plugins.git.util.BuildData") | .lastBuiltRevision.SHA1'`
+
+          if [ "${#HMCL_COMMIT_SHA}" != 40 ]; then exit 1; fi
+
+          echo "HMCL_VERSION=$HMCL_VERSION" >> $GITHUB_ENV
+          echo "HMCL_COMMIT_SHA=$HMCL_COMMIT_SHA" >> $GITHUB_ENV
+          echo "HMCL_TAG_NAME=v$HMCL_VERSION" >> $GITHUB_ENV
+      - name: Check for existing tags
+        run: if [ -z "$(git tag -l "$HMCL_TAG_NAME")" ]; then echo "continue=true" >> $GITHUB_ENV; fi
+      - name: Download artifacts
+        if: ${{ env.continue == 'true' }}
+        run: |
+          wget "$DOWNLOAD_BASE_URL/HMCL-$HMCL_VERSION.exe"
+          wget "$DOWNLOAD_BASE_URL/HMCL-$HMCL_VERSION.exe.sha1"
+          wget "$DOWNLOAD_BASE_URL/HMCL-$HMCL_VERSION.jar"
+          wget "$DOWNLOAD_BASE_URL/HMCL-$HMCL_VERSION.jar.sha1"
+          wget "$DOWNLOAD_BASE_URL/HMCL-$HMCL_VERSION.sh"
+          wget "$DOWNLOAD_BASE_URL/HMCL-$HMCL_VERSION.sh.sha1"
+        env:
+          DOWNLOAD_BASE_URL: https://ci.huangyuhui.net/job/HMCL/lastSuccessfulBuild/artifact/HMCL/build/libs
+      - name: Generate release note
+        if: ${{ env.continue == 'true' }}
+        run: |
+          echo "HMCL v$HMCL_VERSION" >> RELEASE_NOTE
+          echo "" >> RELEASE_NOTE
+          echo "The full changelogs can be found on the website: https://docs.hmcl.net/changelog/dev.html" >> RELEASE_NOTE
+          echo "Notice: changelogs are written in Chinese." >> RELEASE_NOTE
+      - name: Create release
+        if: ${{ env.continue == 'true' }}
+        uses: softprops/action-gh-release@v1
+        with:
+          body_path: RELEASE_NOTE
+          files: |
+            HMCL-${{ env.HMCL_VERSION }}.exe
+            HMCL-${{ env.HMCL_VERSION }}.exe.sha1
+            HMCL-${{ env.HMCL_VERSION }}.jar
+            HMCL-${{ env.HMCL_VERSION }}.jar.sha1
+            HMCL-${{ env.HMCL_VERSION }}.sh
+            HMCL-${{ env.HMCL_VERSION }}.sh.sha1
+          target_commitish: ${{ env.HMCL_COMMIT_SHA }}
+          name: ${{ env.HMCL_TAG_NAME }}
+          tag_name: ${{ env.HMCL_TAG_NAME }}
+  stable-check-update:
+    if: ${{ github.repository_owner == 'huanghongxun' }}
+    needs: dev-check-update
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Fetch tags
+        run: git fetch --all --tags
+      - name: Install tools
+        run: sudo apt-get install -y jq
+      - name: Fetch last version
+        run: |
+          wget -O ci.json https://ci.huangyuhui.net/job/HMCL-stable/lastSuccessfulBuild/api/json
+          
+          export HMCL_EXE_FILE_NAME=`cat ci.json | jq -M -r '.artifacts[] | select(.fileName | endswith(".exe")) | .fileName'`
+          if [ -z `echo $HMCL_EXE_FILE_NAME | grep -E "^HMCL-[0-9]+\.[0-9]+\.[0-9]+(\.[0-9]+)?\.exe\$"` ]; then exit 1; fi
+          
+          export HMCL_VERSION=`echo "${HMCL_EXE_FILE_NAME%.exe}" | tail -c +6`
+          export HMCL_COMMIT_SHA=`cat ci.json | jq -M -r '.actions[] | select(._class == "hudson.plugins.git.util.BuildData") | .lastBuiltRevision.SHA1'`
+
+          if [ "${#HMCL_COMMIT_SHA}" != 40 ]; then exit 1; fi
+
+          echo "HMCL_VERSION=$HMCL_VERSION" >> $GITHUB_ENV
+          echo "HMCL_COMMIT_SHA=$HMCL_COMMIT_SHA" >> $GITHUB_ENV
+          echo "HMCL_TAG_NAME=release-$HMCL_VERSION" >> $GITHUB_ENV
+      - name: Check for existing tags
+        run: if ! git tag -l | grep -q "$HMCL_TAG_NAME"; then echo "continue=true" >> $GITHUB_ENV; fi 
+      - name: Download artifacts
+        if: ${{ env.continue == 'true' }}
+        run: |
+          wget "$DOWNLOAD_BASE_URL/HMCL-$HMCL_VERSION.exe"
+          wget "$DOWNLOAD_BASE_URL/HMCL-$HMCL_VERSION.exe.sha1"
+          wget "$DOWNLOAD_BASE_URL/HMCL-$HMCL_VERSION.jar"
+          wget "$DOWNLOAD_BASE_URL/HMCL-$HMCL_VERSION.jar.sha1"
+          wget "$DOWNLOAD_BASE_URL/HMCL-$HMCL_VERSION.sh"
+          wget "$DOWNLOAD_BASE_URL/HMCL-$HMCL_VERSION.sh.sha1"
+        env:
+          DOWNLOAD_BASE_URL: https://ci.huangyuhui.net/job/HMCL-stable/lastSuccessfulBuild/artifact/HMCL/build/libs
+      - name: Generate release note
+        if: ${{ env.continue == 'true' }}
+        run: |
+          echo " === **Stable Version** === " >> RELEASE_NOTE
+          echo "HMCL v$HMCL_VERSION" >> RELEASE_NOTE
+          echo "" >> RELEASE_NOTE
+          echo "The full changelogs can be found on the website: https://docs.hmcl.net/changelog/stable.html" >> RELEASE_NOTE
+          echo "Notice: changelogs are written in Chinese." >> RELEASE_NOTE
+      - name: Create release
+        if: ${{ env.continue == 'true' }}
+        uses: softprops/action-gh-release@v1
+        with:
+          body_path: RELEASE_NOTE
+          files: |
+            HMCL-${{ env.HMCL_VERSION }}.exe
+            HMCL-${{ env.HMCL_VERSION }}.exe.sha1
+            HMCL-${{ env.HMCL_VERSION }}.jar
+            HMCL-${{ env.HMCL_VERSION }}.jar.sha1
+            HMCL-${{ env.HMCL_VERSION }}.sh
+            HMCL-${{ env.HMCL_VERSION }}.sh.sha1
+          target_commitish: ${{ env.HMCL_COMMIT_SHA }}
+          name: ${{ env.HMCL_TAG_NAME }}
+          tag_name: ${{ env.HMCL_TAG_NAME }}
@@ -0,0 +1,21 @@
+name: Sync to Gitee
+
+on:
+  push
+
+jobs:
+  run:
+    if: ${{ github.repository_owner == 'HMCL-dev' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Mirror GitHub to Gitee
+        uses: Yikun/hub-mirror-action@v1.3
+        with:
+          src: github/HMCL-dev
+          dst: gitee/huanghongxun
+          static_list: 'HMCL'
+          force_update: true
+          debug: true
+          dst_key: ${{ secrets.GITEE_SYNC_BOT_PRIVATE_KEY }}
+          dst_token: ${{ secrets.GITEE_SYNC_BOT_TOKEN }}
+          cache_path: /github/workspace/hub-mirror-cache
@@ -0,0 +1,30 @@
+name: Java CI
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up JDK 11
+      uses: actions/setup-java@v3
+      with:
+        distribution: 'zulu'
+        java-version: '11'
+        java-package: 'jdk+fx'
+    - name: Build with Gradle
+      run: ./gradlew build
+      env:
+        MICROSOFT_AUTH_ID: ${{ secrets.MICROSOFT_AUTH_ID }}
+        MICROSOFT_AUTH_SECRET: ${{ secrets.MICROSOFT_AUTH_SECRET }}
+        CURSEFORGE_API_KEY: ${{ secrets.CURSEFORGE_API_KEY }}
+    - name: Get short SHA
+      run: echo "SHORT_SHA=${GITHUB_SHA::7}" >> $GITHUB_ENV
+    - name: Upload Artifacts
+      uses: actions/upload-artifact@v3
+      with:
+        name: HMCL-${{ env.SHORT_SHA }}
+        path: HMCL/build/libs
@@ -4,22 +4,51 @@
 hs_err_pid*

 .gradle
-.idea

 *.lck
 *.1
 *.2
 *.log
 .mine*
+/externalgames
 NVIDIA
-*.json
+minecraft-exported-crash-info*

 # gradle build
 /build/
 /HMCL/build/
 /HMCLCore/build/
+/HMCLTransformerDiscoveryService/build/
+/minecraft/libraries/HMCLTransformerDiscoveryService/build/

-# idea output
+# idea
+.idea
 /out/
 /HMCL/out/
-/HMCLCore/out/
+/HMCLCore/out/
+/minecraft/libraries/HMCLTransformerDiscoveryService/out/
+
+# eclipse
+/bin/
+/HMCL/bin/
+/HMCLCore/bin/
+/minecraft/libraries/HMCLTransformerDiscoveryService/bin/
+.classpath
+.project
+.settings
+
+# netbeans
+.nb-gradle
+
+*.exe
+!/HMCL/src/main/resources/assets/HMCLauncher.exe
+
+# macos
+.DS_Store
+
+# vscode
+.vscode/
+
+# test
+/hmcl.json
+/.hmcl.json
@@ -0,0 +1,2 @@
+/data.csv
+/data.json
@@ -1,14 +0,0 @@
-language: java
-jdk:
- oraclejdk8
-branches:
-  only:
-  - master
-before_install:
- chmod +x gradlew
-script: "bash ./gradlew clean build --stacktrace"
-before_cache:
- rm -f $HOME/.gradle/caches/modules-2/modules-2.lock
-cache:
-  directories:
-  - "$HOME/.gradle/caches/"
@@ -1,163 +0,0 @@
-import org.apache.tools.ant.filters.ReplaceTokens
-import proguard.gradle.ProGuardTask
-
-import java.security.MessageDigest
-import java.util.jar.JarFile
-import java.util.jar.Pack200
-import java.util.zip.GZIPOutputStream
-
-if (!hasProperty('mainClass')) {
-    ext.mainClass = 'org.jackhuang.hmcl.Main'
-}
-
-def buildnumber = System.getenv("TRAVIS_BUILD_NUMBER")
-if (buildnumber == null)
-    buildnumber = System.getenv("BUILD_NUMBER")
-if (buildnumber == null)
-    buildnumber = "SNAPSHOT"
-
-def versionroot = System.getenv("VERSION_ROOT")
-if (versionroot == null)
-    versionroot = "3.1"
-
-String mavenVersion = versionroot + '.' + buildnumber
-version = mavenVersion
-
-dependencies {
-    compile project(":HMCLCore")
-    compile rootProject.files("lib/JFoenix.jar")
-}
-
-task generateSources(type: Sync) {
-    from 'src/main/java'
-    into "$buildDir/generated-src"
-    filter(ReplaceTokens, tokens: [
-            'HELLO_MINECRAFT_LAUNCHER_VERSION_FOR_GRADLE_REPLACING': mavenVersion
-    ])
-}
-
-compileJava.setSource "$buildDir/generated-src"
-compileJava.dependsOn generateSources
-
-configurations {
-    coreCompile.extendsFrom compile
-    coreRuntime.extendsFrom runtime
-}
-
-jar {
-    from { configurations.compile.collect { it.isDirectory() ? it : zipTree(it) } }
-
-    manifest {
-        attributes 'Created-By'        : 'Copyright(c) 2013-2018 huangyuhui.',
-                'Main-Class'        : mainClass,
-                'Multi-Release': "true"
-    }
-
-    doLast {
-        //new File("build/signed").mkdirs()
-        //ant.signjar(signedjar: archivePath, jar: archivePath,
-        //        keystore: "HMCL.keystore", storepass: "123456",
-        //        alias: "HMCL")
-
-        def messageDigest = MessageDigest.getInstance("SHA1")
-        archivePath.eachByte 1024 * 1024, { byte[] buf, int bytesRead ->
-            messageDigest.update(buf, 0, bytesRead)
-        }
-        def sha1Hex = new BigInteger(1, messageDigest.digest()).toString(16).padLeft(40, '0')
-        def fileEx = new File(project.buildDir, "libs/" + archivePath.getName() + ".sha1")
-        if (!fileEx.exists()) fileEx.createNewFile()
-        fileEx.append sha1Hex
-    }
-}
-
-processResources {
-    from(sourceSets.main.resources.srcDirs) {
-        exclude 'icon.icns'
-    }
-}
-
-task makeExecutable(dependsOn: jar) doLast {
-    ext {
-        jar.classifier = ''
-        makeExecutableinjar = jar.archivePath
-        jar.classifier = ''
-        makeExecutableoutjar = jar.archivePath
-        jar.classifier = ''
-    }
-    def loc = new File(project.buildDir, "libs/" + makeExecutableoutjar.getName().substring(0, makeExecutableoutjar.getName().length() - 4) + ".exe")
-    def fos = new FileOutputStream(loc)
-    def is = new FileInputStream(new File(project.buildDir, '../HMCLauncher.exe'))
-    int read
-    def bytes = new byte[8192]
-    while((read = is.read(bytes)) != -1)
-        fos.write(bytes, 0, read)
-    is.close()
-    is = new FileInputStream(makeExecutableoutjar)
-    while((read = is.read(bytes)) != -1)
-        fos.write(bytes, 0, read)
-    is.close()
-    fos.close()
-
-}
-
-task makePackGZ(dependsOn: jar) doLast {
-    ext {
-        jar.classifier = ''
-        makeExecutableinjar = jar.archivePath
-        jar.classifier = ''
-        makeExecutableoutjar = jar.archivePath
-        jar.classifier = ''
-    }
-    def loc = new File(project.buildDir, "libs/" + makeExecutableoutjar.getName().substring(0, makeExecutableoutjar.getName().length()-4)+".pack.gz")
-    def os = new GZIPOutputStream(new FileOutputStream(loc))
-    Pack200.newPacker().pack new JarFile(makeExecutableinjar), os
-    os.close()
-
-    def messageDigest = MessageDigest.getInstance("SHA1")
-    loc.eachByte 1024 * 1024, { byte[] buf, int bytesRead ->
-        messageDigest.update(buf, 0, bytesRead)
-    }
-    def sha1Hex = new BigInteger(1, messageDigest.digest()).toString(16).padLeft(40, '0')
-    def fileEx = new File(project.buildDir, "libs/" + makeExecutableoutjar.getName().substring(0, makeExecutableoutjar.getName().length()-4)+".pack.gz.sha1")
-    if (!fileEx.exists()) fileEx.createNewFile()
-    fileEx.append sha1Hex
-}
-
-task proguard(type: ProGuardTask, dependsOn: jar) {
-    ext {
-        def re = jar.classifier
-        injar = jar.archivePath
-        jar.classifier = 'optimized'
-        outjar = jar.archivePath
-        jar.classifier = re
-    }
-
-    injars(/*["filter": "!META-INF/**,**"], */injar)
-    String javaHome = System.getProperty("java.home")
-    if (!javaHome.endsWith("jre"))
-        javaHome += File.separator + "jre"
-    libraryjars javaHome + "/lib/rt.jar"
-    libraryjars javaHome + "/lib/jce.jar"
-    libraryjars javaHome + "/lib/jsse.jar"
-    libraryjars javaHome + "/lib/ext/jfxrt.jar"
-    outjars outjar
-
-    configuration 'proguard.pro'
-}
-
-task combineMETA_INF(type: Jar) {
-    ext {
-        def re = jar.classifier
-        injar = jar.archivePath
-        jar.classifier = 'optimized'
-        outjar = jar.archivePath
-        jar.classifier = re
-    }
-    from zipTree(outjar)
-    from zipTree(injar).matching {
-        include "META-INF/"
-    }
-}
-
-build.dependsOn makeExecutable
-build.dependsOn makePackGZ
@@ -0,0 +1,284 @@
+import com.google.gson.Gson
+import com.google.gson.JsonElement
+import com.google.gson.JsonObject
+import java.net.URI
+import java.nio.file.FileSystems
+import java.nio.file.Files
+import java.security.KeyFactory
+import java.security.MessageDigest
+import java.security.Signature
+import java.security.spec.PKCS8EncodedKeySpec
+import java.util.zip.ZipFile
+
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath("com.google.code.gson:gson:2.10.1")
+    }
+}
+
+plugins {
+    id("com.github.johnrengelman.shadow") version "7.1.2"
+}
+
+val isOfficial = System.getenv("HMCL_SIGNATURE_KEY") != null
+        || (System.getenv("GITHUB_REPOSITORY_OWNER") == "HMCL-dev" && System.getenv("GITHUB_BASE_REF")
+    .isNullOrEmpty())
+
+val buildNumber = System.getenv("BUILD_NUMBER")?.toInt().let { number ->
+    val offset = System.getenv("BUILD_NUMBER_OFFSET")?.toInt() ?: 0
+    if (number != null) {
+        (number - offset).toString()
+    } else {
+        val shortCommit = System.getenv("GITHUB_SHA")?.lowercase()?.substring(0, 7)
+        val prefix = if (isOfficial) "dev" else "unofficial"
+        if (!shortCommit.isNullOrEmpty()) "$prefix-$shortCommit" else "SNAPSHOT"
+    }
+}
+val versionRoot = System.getenv("VERSION_ROOT") ?: "3.5"
+val versionType = System.getenv("VERSION_TYPE") ?: if (isOfficial) "nightly" else "unofficial"
+
+val microsoftAuthId = System.getenv("MICROSOFT_AUTH_ID") ?: ""
+val microsoftAuthSecret = System.getenv("MICROSOFT_AUTH_SECRET") ?: ""
+val curseForgeApiKey = System.getenv("CURSEFORGE_API_KEY") ?: ""
+
+version = "$versionRoot.$buildNumber"
+
+dependencies {
+    implementation(project(":HMCLCore"))
+    implementation("libs:JFoenix")
+}
+
+fun digest(algorithm: String, bytes: ByteArray): ByteArray = MessageDigest.getInstance(algorithm).digest(bytes)
+
+fun createChecksum(file: File) {
+    val algorithms = linkedMapOf(
+        "MD5" to "md5",
+        "SHA-1" to "sha1",
+        "SHA-256" to "sha256",
+        "SHA-512" to "sha512"
+    )
+
+    algorithms.forEach { (algorithm, ext) ->
+        File(file.parentFile, "${file.name}.$ext").writeText(
+            digest(algorithm, file.readBytes()).joinToString(separator = "", postfix = "\n") { "%02x".format(it) }
+        )
+    }
+}
+
+fun attachSignature(jar: File) {
+    val keyLocation = System.getenv("HMCL_SIGNATURE_KEY")
+    if (keyLocation == null) {
+        logger.warn("Missing signature key")
+        return
+    }
+
+    val privatekey = KeyFactory.getInstance("RSA").generatePrivate(PKCS8EncodedKeySpec(File(keyLocation).readBytes()))
+    val signer = Signature.getInstance("SHA512withRSA")
+    signer.initSign(privatekey)
+    ZipFile(jar).use { zip ->
+        zip.stream()
+            .sorted(Comparator.comparing { it.name })
+            .filter { it.name != "META-INF/hmcl_signature" }
+            .forEach {
+                signer.update(digest("SHA-512", it.name.toByteArray()))
+                signer.update(digest("SHA-512", zip.getInputStream(it).readBytes()))
+            }
+    }
+    val signature = signer.sign()
+    FileSystems.newFileSystem(URI.create("jar:" + jar.toURI()), emptyMap<String, Any>()).use { zipfs ->
+        Files.newOutputStream(zipfs.getPath("META-INF/hmcl_signature")).use { it.write(signature) }
+    }
+}
+
+tasks.getByName<JavaCompile>("compileJava") {
+    dependsOn(tasks.create("computeDynamicResources") {
+        this@create.inputs.file(rootProject.rootDir.toPath().resolve("data-json/dynamic-remote-resources-raw.json"))
+        this@create.outputs.file(rootProject.rootDir.toPath().resolve("data-json/dynamic-remote-resources.json"))
+
+        doLast {
+            Gson().also { gsonInstance ->
+                rootProject.rootDir.resolve("data-json/dynamic-remote-resources-raw.json").bufferedReader().use { br ->
+                    (gsonInstance.fromJson(br, JsonElement::class.java) as JsonObject)
+                }.also { data ->
+                    data.asMap().forEach { (namespace, namespaceData) ->
+                        (namespaceData as JsonObject).asMap().forEach { (name, nameData) ->
+                            (nameData as JsonObject).asMap().forEach { (version, versionData) ->
+                                require(versionData is JsonObject)
+                                val localPath =
+                                    (versionData.get("local_path") as com.google.gson.JsonPrimitive).asString
+                                val sha1 = (versionData.get("sha1") as com.google.gson.JsonPrimitive).asString
+
+                                val currentSha1 = digest(
+                                    "SHA-1",
+                                    rootProject.rootDir.resolve(localPath).readBytes()
+                                ).joinToString(separator = "") { "%02x".format(it) }
+
+                                if (!sha1.equals(currentSha1, ignoreCase = true)) {
+                                    throw IllegalStateException("Mismatched SHA-1 in $.${namespace}.${name}.${version} of dynamic remote resources detected. Require ${currentSha1}, but found $sha1")
+                                }
+                            }
+                        }
+                    }
+
+                    rootProject.rootDir.resolve("data-json/dynamic-remote-resources.json").also { zippedPath ->
+                        gsonInstance.toJson(data).also { expectedData ->
+                            if (zippedPath.exists()) {
+                                zippedPath.readText().also { rawData ->
+                                    if (rawData != expectedData) {
+                                        if (System.getenv("GITHUB_SHA") == null) {
+                                            zippedPath.writeText(expectedData)
+                                        } else {
+                                            throw IllegalStateException("Mismatched zipped dynamic-remote-resources json file!")
+                                        }
+                                    }
+                                }
+                            } else {
+                                zippedPath.writeText(expectedData)
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    })
+}
+
+val java11 = sourceSets.create("java11") {
+    java {
+        srcDir("src/main/java11")
+    }
+}
+
+tasks.getByName<JavaCompile>(java11.compileJavaTaskName) {
+    if (JavaVersion.current() < JavaVersion.VERSION_11) {
+        javaCompiler.set(javaToolchains.compilerFor {
+            languageVersion.set(JavaLanguageVersion.of(11))
+        })
+    }
+    options.compilerArgs.add("--add-exports=java.base/jdk.internal.loader=ALL-UNNAMED")
+    sourceCompatibility = "11"
+    targetCompatibility = "11"
+}
+
+tasks.jar {
+    enabled = false
+    dependsOn(tasks["shadowJar"])
+}
+
+val jarPath = tasks.jar.get().archiveFile.get().asFile
+
+tasks.getByName<com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar>("shadowJar") {
+    archiveClassifier.set(null as String?)
+
+    exclude("**/package-info.class")
+    exclude("META-INF/maven/**")
+
+    minimize {
+        exclude(dependency("com.google.code.gson:.*:.*"))
+        exclude(dependency("libs:JFoenix:.*"))
+    }
+
+    manifest {
+        attributes(
+            "Created-By" to "Copyright(c) 2013-2023 huangyuhui.",
+            "Main-Class" to "org.jackhuang.hmcl.Main",
+            "Multi-Release" to "true",
+            "Implementation-Version" to project.version,
+            "Microsoft-Auth-Id" to microsoftAuthId,
+            "Microsoft-Auth-Secret" to microsoftAuthSecret,
+            "CurseForge-Api-Key" to curseForgeApiKey,
+            "Build-Channel" to versionType,
+            "Class-Path" to "pack200.jar",
+            "Add-Opens" to listOf(
+                "java.base/java.lang",
+                "java.base/java.lang.reflect",
+                "java.base/jdk.internal.loader",
+                "javafx.base/com.sun.javafx.binding",
+                "javafx.base/com.sun.javafx.event",
+                "javafx.base/com.sun.javafx.runtime",
+                "javafx.graphics/javafx.css",
+                "javafx.graphics/com.sun.javafx.stage",
+                "javafx.graphics/com.sun.prism",
+                "javafx.controls/com.sun.javafx.scene.control",
+                "javafx.controls/com.sun.javafx.scene.control.behavior",
+                "javafx.controls/javafx.scene.control.skin",
+                "jdk.attach/sun.tools.attach"
+            ).joinToString(" ")
+        )
+
+        System.getenv("GITHUB_SHA")?.also {
+            attributes("GitHub-SHA" to it)
+        }
+    }
+
+    doLast {
+        attachSignature(jarPath)
+        createChecksum(jarPath)
+    }
+}
+
+fun createExecutable(suffix: String, header: String) {
+    val output = File(jarPath.parentFile, jarPath.nameWithoutExtension + '.' + suffix)
+
+    output.outputStream().use {
+        it.write(File(project.projectDir, header).readBytes())
+        it.write(jarPath.readBytes())
+    }
+
+    createChecksum(output)
+}
+
+tasks.processResources {
+    fun convertToBSS(resource: String) {
+        doFirst {
+            val cssFile = File(projectDir, "src/main/resources/$resource")
+            val bssFile = File(projectDir, "build/compiled-resources/${resource.substring(0, resource.length - 4)}.bss")
+            bssFile.parentFile.mkdirs()
+            javaexec {
+                classpath = sourceSets["main"].compileClasspath
+                mainClass.set("com.sun.javafx.css.parser.Css2Bin")
+                args(cssFile, bssFile)
+            }
+        }
+    }
+
+    from("build/compiled-resources")
+
+    convertToBSS("assets/css/root.css")
+    convertToBSS("assets/css/blue.css")
+
+    into("META-INF/versions/11") {
+        from(sourceSets["java11"].output)
+    }
+    dependsOn(tasks["java11Classes"])
+
+    into("assets") {
+        from(project.layout.buildDirectory.file("openjfx-dependencies.json"))
+    }
+    dependsOn(rootProject.tasks["generateOpenJFXDependencies"])
+}
+
+val makeExecutables = tasks.create("makeExecutables") {
+    dependsOn(tasks.jar)
+    doLast {
+        createExecutable("exe", "src/main/resources/assets/HMCLauncher.exe")
+        createExecutable("sh", "src/main/resources/assets/HMCLauncher.sh")
+    }
+}
+
+tasks.build {
+    dependsOn(makeExecutables)
+}
+
+tasks.create<JavaExec>("run") {
+    dependsOn(tasks.jar)
+
+    group = "application"
+
+    classpath = files(jarPath)
+    workingDir = rootProject.rootDir
+}
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Uploaded to: SVG Repo, www.svgrepo.com, Generator: SVG Repo Mixer Tools -->
+<svg width="800px" height="800px" viewBox="0 -28.5 256 256" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" preserveAspectRatio="xMidYMid">
+    <g>
+        <path d="M216.856339,16.5966031 C200.285002,8.84328665 182.566144,3.2084988 164.041564,0 C161.766523,4.11318106 159.108624,9.64549908 157.276099,14.0464379 C137.583995,11.0849896 118.072967,11.0849896 98.7430163,14.0464379 C96.9108417,9.64549908 94.1925838,4.11318106 91.8971895,0 C73.3526068,3.2084988 55.6133949,8.86399117 39.0420583,16.6376612 C5.61752293,67.146514 -3.4433191,116.400813 1.08711069,164.955721 C23.2560196,181.510915 44.7403634,191.567697 65.8621325,198.148576 C71.0772151,190.971126 75.7283628,183.341335 79.7352139,175.300261 C72.104019,172.400575 64.7949724,168.822202 57.8887866,164.667963 C59.7209612,163.310589 61.5131304,161.891452 63.2445898,160.431257 C105.36741,180.133187 151.134928,180.133187 192.754523,160.431257 C194.506336,161.891452 196.298154,163.310589 198.110326,164.667963 C191.183787,168.842556 183.854737,172.420929 176.223542,175.320965 C180.230393,183.341335 184.861538,190.991831 190.096624,198.16893 C211.238746,191.588051 232.743023,181.531619 254.911949,164.955721 C260.227747,108.668201 245.831087,59.8662432 216.856339,16.5966031 Z M85.4738752,135.09489 C72.8290281,135.09489 62.4592217,123.290155 62.4592217,108.914901 C62.4592217,94.5396472 72.607595,82.7145587 85.4738752,82.7145587 C98.3405064,82.7145587 108.709962,94.5189427 108.488529,108.914901 C108.508531,123.290155 98.3405064,135.09489 85.4738752,135.09489 Z M170.525237,135.09489 C157.88039,135.09489 147.510584,123.290155 147.510584,108.914901 C147.510584,94.5396472 157.658606,82.7145587 170.525237,82.7145587 C183.391518,82.7145587 193.761324,94.5189427 193.539891,108.914901 C193.539891,123.290155 183.391518,135.09489 170.525237,135.09489 Z" fill="#5865F2" fill-rule="nonzero">
+␍</path>
+    </g>
+</svg>
@@ -0,0 +1 @@
+<svg viewBox="0 -0.5 52 56" shape-rendering="crispEdges" xmlns="http://www.w3.org/2000/svg"><path stroke="#38342a" d="M28 0h4m-4 1h4m-4 1h4m-4 1h4m-8 1h4m4 0h4M24 5h4m4 0h4M24 6h4m4 0h4M24 7h4m4 0h4M24 8h4m8 0h4M24 9h4m8 0h4m-16 1h4m8 0h4m-16 1h4m8 0h4m-20 1h4m4 0h4m8 0h4m-24 1h4m4 0h4m8 0h4m-24 1h4m4 0h4m8 0h4m-24 1h4m4 0h4m8 0h4m-28 1h4m12 0h4m8 0h4m-32 1h4m12 0h4m8 0h4m-32 1h4m12 0h4m8 0h4m-32 1h4m12 0h4m8 0h4m-36 1h4m20 0h4m4 0h8m-40 1h4m20 0h4m4 0h8m-40 1h4m20 0h4m4 0h8m-40 1h4m20 0h4m4 0h8M8 24h4m28 0h4m4 0h4M8 25h4m28 0h4m4 0h4M8 26h4m28 0h4m4 0h4M8 27h4m28 0h4m4 0h4M4 28h4m32 0h8M4 29h4m32 0h8M4 30h4m32 0h8M4 31h4m32 0h8M0 32h4m32 0h4M0 33h4m32 0h4M0 34h4m32 0h4M0 35h4m32 0h4M0 36h4m28 0h4M0 37h4m28 0h4M0 38h4m28 0h4M0 39h4m28 0h4M4 40h4m20 0h4M4 41h4m20 0h4M4 42h4m20 0h4M4 43h4m20 0h4M8 44h4m12 0h4M8 45h4m12 0h4M8 46h4m12 0h4M8 47h4m12 0h4m-16 1h4m4 0h8m-16 1h4m4 0h8m-16 1h4m4 0h8m-16 1h4m4 0h8m-12 1h8m-8 1h8m-8 1h8m-8 1h8"/><path stroke="#dbd0b4" d="M28 4h4m-4 1h4m-4 1h4m-4 1h4m0 1h4m-4 1h4m-4 1h4m-4 1h4m-12 1h4m8 0h4m-16 1h4m8 0h4m-16 1h4m8 0h4m-16 1h4m8 0h4m-16 1h8m8 0h4m-20 1h8m8 0h4m-20 1h8m8 0h4m-20 1h8m8 0h4m-28 1h8m4 0h8m-20 1h8m4 0h8m-20 1h8m4 0h8m-20 1h8m4 0h8m-24 1h16m-16 1h16m-16 1h16m-16 1h16M8 28h8m4 0h12M8 29h8m4 0h12M8 30h8m4 0h12M8 31h8m4 0h12M8 32h12m8 0h4M8 33h12m8 0h4M8 34h12m8 0h4M8 35h12m8 0h4m-20 1h12m-12 1h12m-12 1h12m-12 1h12m-8 1h8m-8 1h8m-8 1h8m-8 1h8"/><path stroke="#c6bca5" d="M28 8h4m-4 1h4m-4 1h4m-4 1h4m-12 5h4m-4 1h4m-4 1h4m-4 1h4m0 1h4m-4 1h4m-4 1h4m-4 1h4m0 1h8m-8 1h8m-8 1h8m-8 1h8m-20 1h4m-4 1h4m-4 1h4m-4 1h4m0 1h8m-8 1h8m-8 1h8m-8 1h8"/><path stroke="#bcb29c" d="M32 12h4m-4 1h4m-4 1h4m-4 1h4m0 1h4m-4 1h4m-4 1h4m-4 1h4m0 1h4m-4 1h4m-4 1h4m-4 1h4m-8 1h4m-4 1h4m-4 1h4m-4 1h4m-8 1h8m-8 1h8m-8 1h8m-8 1h8m-8 1h4m-4 1h4m-4 1h4m-4 1h4m-12 1h8m-8 1h8m-8 1h8m-8 1h8m-8 1h4m-4 1h4m-4 1h4m-4 1h4m-8 1h4m-4 1h4m-4 1h4m-4 1h4"/><path stroke="#807a6d" d="M44 24h4m-4 1h4m-4 1h4m-4 1h4"/><path stroke="#aea694" d="M4 32h4m-4 1h4m-4 1h4m-4 1h4m0 1h4m-4 1h4m-4 1h4m-4 1h4m0 1h4m-4 1h4m-4 1h4m-4 1h4m0 1h4m-4 1h4m-4 1h4m-4 1h4"/><path stroke="#9a927e" d="M4 36h4m-4 1h4m-4 1h4m-4 1h4m0 1h4m-4 1h4m-4 1h4m-4 1h4m0 1h4m-4 1h4m-4 1h4m-4 1h4m0 1h4m-4 1h4m-4 1h4m-4 1h4"/></svg>
@@ -0,0 +1,153 @@
+#
+# Hello Minecraft! Launcher
+# Copyright (C) 2021  huangyuhui <huanghongxun2008@126.com> and contributors
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+
+import json
+import codecs
+import re
+import sys
+from urllib.parse import urlparse, parse_qs
+
+S = ';'
+
+MOD_SEPARATOR = ','
+
+CURSEFORGE_PATTERN1 = re.compile(
+    r'^/minecraft/(mc-mods|modpacks|customization|mc-addons|customization/configuration)/+(?P<modid>[\w-]+)(/(.*?))?$')
+CURSEFORGE_PATTERN2 = re.compile(
+    r'^/projects/(?P<modid>[\w-]+)(/(.*?))?$')
+CURSEFORGE_PATTERN3 = re.compile(
+    r'^/mc-mods/minecraft/(?P<modid>[\w-]+)(/(.*?))?$')
+CURSEFORGE_PATTERN4 = re.compile(
+    r'^/legacy/mc-mods/minecraft/(\d+)-(?P<modid>[\w-]+)'
+)
+
+
+def parseCurseforge(url):
+    res = urlparse(url)
+    if res.scheme not in ['http', 'https']:
+        return ''
+    for pattern in [CURSEFORGE_PATTERN1, CURSEFORGE_PATTERN2, CURSEFORGE_PATTERN3, CURSEFORGE_PATTERN4]:
+        match = pattern.match(res.path)
+        if match:
+            return match.group('modid')
+    return ''
+
+
+MCMOD_PATTERN = re.compile(
+    r'^http(s)?://www\.mcmod\.cn/(class|modpack)/(?P<modid>\d+)\.html$')
+
+
+def parseMcmod(url):
+    match = MCMOD_PATTERN.match(url)
+    if match:
+        return match.group('modid')
+    return ''
+
+
+MCBBS_HTML_PATTERN = re.compile(r'/+thread-(?P<modid>\d+)-(\d+)-(\d+).html')
+MCBBS_PHP_PATTERN = re.compile(r'')
+
+
+def parseMcbbs(url):
+    res = urlparse(url)
+    if res.scheme not in ['http', 'https']:
+        return ''
+    if res.netloc != 'www.mcbbs.net':
+        return ''
+    match = MCBBS_HTML_PATTERN.match(res.path)
+    if match:
+        return match.group('modid')
+
+    query = parse_qs(res.query)
+
+    if res.path == '/forum.php':
+        if 'mod' in query and 'tid' in query and query['mod'] == ['viewthread']:
+            return query['tid']
+
+    return ''
+
+
+skip = [
+    'Minecraft',
+    'The Building Game'
+]
+
+
+if __name__ == '__main__':
+    json_name = sys.argv[1] or 'data.json'
+
+    with codecs.open(json_name, mode='r', encoding='utf-8-sig') as jsonfile, codecs.open('data.csv', mode='w', encoding='utf-8') as outfile:
+        data = json.load(jsonfile)
+
+        for mod in data:
+            chinese_name = mod['name']['main']
+            sub_name = mod['name']['sub']
+            abbr = mod['name']['abbr']
+
+            if sub_name in skip:
+                continue
+
+            if S in chinese_name:
+                print('Error! ' + chinese_name)
+                exit(1)
+
+            if S in sub_name:
+                print('Error! ' + chinese_name)
+                exit(1)
+
+            black_lists = [
+                'Master Chef'
+            ]
+
+            curseforge_id = ''
+            mcmod_id = ''
+            mcbbs_id = ''
+            links = mod['links']['list']
+            if 'curseforge' in links and links['curseforge'] and sub_name not in black_lists and chinese_name not in black_lists:
+                for link in links['curseforge']:
+                    curseforge_id = parseCurseforge(link['url'])
+                    if curseforge_id != '':
+                        break
+                if curseforge_id == '':
+                    print('Error curseforge ' + chinese_name)
+                    exit(1)
+            if 'mcmod' in links and links['mcmod']:
+                mcmod_id = parseMcmod(links['mcmod'][0]['url'])
+                if mcmod_id == '':
+                    print('Error mcmod ' + chinese_name)
+                    exit(1)
+            if 'mcbbs' in links and links['mcbbs']:
+                mcbbs_id = parseMcbbs(links['mcbbs'][0]['url'])
+                if mcbbs_id == '':
+                    print('Error mcbbs ' + chinese_name)
+                    exit(1)
+
+            mod_id = []
+            if 'modid' in mod and 'list' in mod['modid']:
+                for id in mod['modid']['list']:
+                    if MOD_SEPARATOR in id:
+                        print('Error mod id!' + id)
+                        exit(1)
+
+                    mod_id.append(id)
+            mod_ids = MOD_SEPARATOR.join([str(id) for id in mod_id])
+
+            outfile.write(
+                f'{curseforge_id}{S}{mcmod_id}{S}{mcbbs_id}{S}{mod_ids}{S}{chinese_name}{S}{sub_name}{S}{abbr}\n')
+
+    print('Success!')
@@ -1,15 +0,0 @@
-target 1.8
-dontoptimize
-dontobfuscate
-
-# JFoenix
-keep class com.jfoenix.** {
-    <fields>;
-    <methods>;
-}
-
-# HMCL
-keep class org.jackhuang.** {
-    <fields>;
-    <methods>;
-}
@@ -1,2 +0,0 @@
-rootProject.name = 'HMCL'
-
@@ -0,0 +1,68 @@
+package moe.mickey.minecraft.skin.fx;
+
+import javafx.event.Event;
+import javafx.event.EventHandler;
+
+import java.util.Arrays;
+import java.util.function.BiConsumer;
+import java.util.function.Consumer;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+public final class FunctionHelper {
+
+    private FunctionHelper() {
+    }
+
+    @SafeVarargs
+    public static <T> void always(Consumer<T> consumer, T... ts) {
+        Arrays.asList(ts).forEach(consumer);
+    }
+
+    @SafeVarargs
+    public static <A, B> void alwaysA(BiConsumer<A, B> consumer, A a, B... bs) {
+        Arrays.asList(bs).forEach(b -> consumer.accept(a, b));
+    }
+
+    @SafeVarargs
+    public static <A, B> void alwaysB(BiConsumer<A, B> consumer, B b, A... as) {
+        Arrays.asList(as).forEach(a -> consumer.accept(a, b));
+    }
+
+    public static <A, B> BiConsumer<B, A> exchange(BiConsumer<A, B> consumer) {
+        return (b, a) -> consumer.accept(a, b);
+    }
+
+    @SafeVarargs
+    public static <T> Consumer<T> link(Consumer<T>... consumers) {
+        return t -> {
+            for (Consumer<T> consumer : consumers)
+                consumer.accept(t);
+        };
+    }
+
+    @SafeVarargs
+    public static <T extends Event> EventHandler<T> link(EventHandler<T>... handlers) {
+        return t -> {
+            for (EventHandler<T> handler : handlers)
+                handler.handle(t);
+        };
+    }
+
+    public static <A, B> Consumer<A> link1(Function<A, B> function, Consumer<B> consumer) {
+        return a -> consumer.accept(function.apply(a));
+    }
+
+    public static <A, B, C> BiConsumer<A, C> link2(Function<A, B> function, BiConsumer<B, C> consumer) {
+        return (a, c) -> consumer.accept(function.apply(a), c);
+    }
+
+    public static <A, B> Consumer<B> link2(Supplier<A> supplier, BiConsumer<A, B> consumer) {
+        return b -> consumer.accept(supplier.get(), b);
+    }
+
+    public static <A, B> Supplier<B> link1(Supplier<A> supplier, Function<A, B> function) {
+        return () -> function.apply(supplier.get());
+    }
+
+}
@@ -0,0 +1,57 @@
+package moe.mickey.minecraft.skin.fx;
+
+import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class SkinAnimation {
+
+    protected int weight, left;
+    protected List<SkinTransition> transitions;
+
+    public SkinAnimation() {
+        this.transitions = new ArrayList<>();
+    }
+
+    public SkinAnimation(int weight, SkinTransition... transitions) {
+        this.weight = weight;
+        this.transitions = Arrays.asList(transitions);
+        init();
+    }
+
+    protected void init() {
+        transitions.forEach(t -> {
+            EventHandler<ActionEvent> oldHandler = t.getOnFinished();
+            EventHandler<ActionEvent> newHandler = e -> left--;
+            newHandler = oldHandler == null ? newHandler : FunctionHelper.link(oldHandler, newHandler);
+            t.setOnFinished(newHandler);
+        });
+    }
+
+    public int getWeight() {
+        return weight;
+    }
+
+    public boolean isPlaying() {
+        return left > 0;
+    }
+
+    public void play() {
+        transitions.forEach(SkinTransition::play);
+        left = transitions.size();
+    }
+
+    public void playFromStart() {
+        transitions.forEach(SkinTransition::playFromStart);
+        left = transitions.size();
+    }
+
+    public void stop() {
+        transitions.forEach(SkinTransition::stop);
+        left = 0;
+    }
+
+}
@@ -0,0 +1,94 @@
+package moe.mickey.minecraft.skin.fx;
+
+import javafx.animation.AnimationTimer;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Random;
+
+public class SkinAnimationPlayer {
+
+    protected final Random random = new Random();
+    protected List<SkinAnimation> animations = new ArrayList<>();
+    protected SkinAnimation playing;
+    protected boolean running;
+    protected int weightedSum = 0;
+    protected long lastPlayTime = -1L, interval = 10_000_000_000L;
+    protected AnimationTimer animationTimer = new AnimationTimer() {
+        @Override
+        public void handle(long now) {
+            if (playing == null || !playing.isPlaying() && now - lastPlayTime > interval) {
+                int nextAni = random.nextInt(weightedSum);
+                SkinAnimation tmp = null;
+                for (SkinAnimation animation : animations) {
+                    nextAni -= animation.getWeight();
+                    tmp = animation;
+                    if (nextAni <= 0)
+                        break;
+                }
+                playing = tmp;
+                if (playing == null && animations.size() > 0)
+                    playing = animations.get(animations.size() - 1);
+                if (playing != null) {
+                    playing.playFromStart();
+                    lastPlayTime = now;
+                }
+            }
+        }
+    };
+
+    public int getWeightedSum() {
+        return weightedSum;
+    }
+
+    public void setInterval(long interval) {
+        this.interval = interval;
+        if (interval < 1)
+            animationTimer.stop();
+        else
+            start();
+    }
+
+    public long getInterval() {
+        return interval;
+    }
+
+    public long getLastPlayTime() {
+        return lastPlayTime;
+    }
+
+    public boolean isRunning() {
+        return running;
+    }
+
+    public boolean isPlaying() {
+        return playing != null;
+    }
+
+    public SkinAnimation getPlaying() {
+        return playing;
+    }
+
+    public void addSkinAnimation(SkinAnimation... animations) {
+        this.animations.addAll(Arrays.asList(animations));
+        this.weightedSum = this.animations.stream().mapToInt(SkinAnimation::getWeight).sum();
+        start();
+    }
+
+    public void start() {
+        if (!running && weightedSum > 0 && interval > 0) {
+            animationTimer.start();
+            running = true;
+        }
+    }
+
+    public void stop() {
+        if (running)
+            animationTimer.stop();
+        if (playing != null)
+            playing.stop();
+        running = false;
+    }
+
+}
@@ -0,0 +1,281 @@
+package moe.mickey.minecraft.skin.fx;
+
+import javafx.scene.*;
+import javafx.scene.image.Image;
+import javafx.scene.input.MouseEvent;
+import javafx.scene.input.ScrollEvent;
+import javafx.scene.paint.Color;
+import javafx.scene.paint.Material;
+import javafx.scene.paint.PhongMaterial;
+import javafx.scene.shape.Shape3D;
+import javafx.scene.transform.Rotate;
+import javafx.scene.transform.Scale;
+import javafx.scene.transform.Translate;
+
+import org.jackhuang.hmcl.ui.FXUtils;
+import org.jetbrains.annotations.Nullable;
+
+public class SkinCanvas extends Group {
+
+    public static final Image ALEX = FXUtils.newBuiltinImage("/assets/img/skin/alex.png");
+    public static final Image STEVE = FXUtils.newBuiltinImage("/assets/img/skin/steve.png");
+
+    public static final SkinCube ALEX_LARM = new SkinCube(3, 12, 4, 14F / 64F, 16F / 64F, 32F / 64F, 48F / 64F, 0F, true);
+    public static final SkinCube ALEX_RARM = new SkinCube(3, 12, 4, 14F / 64F, 16F / 64F, 40F / 64F, 16F / 64F, 0F, true);
+
+    public static final SkinCube STEVEN_LARM = new SkinCube(4, 12, 4, 16F / 64F, 16F / 64F, 32F / 64F, 48F / 64F, 0F, false);
+    public static final SkinCube STEVEN_RARM = new SkinCube(4, 12, 4, 16F / 64F, 16F / 64F, 40F / 64F, 16F / 64F, 0F, false);
+
+    protected Image srcSkin, skin, srcCape, cape;
+    protected boolean isSlim;
+
+    protected double preW, preH;
+    protected boolean msaa;
+
+    protected SubScene subScene;
+    protected Group root = new Group();
+
+    public final SkinMultipleCubes headOuter = new SkinMultipleCubes(8, 8, 8, 32F / 64F, 0F, 1.125, 0.2);
+    public final SkinMultipleCubes bodyOuter = new SkinMultipleCubes(8, 12, 4, 16F / 64F, 32F / 64F, 1, 0.2);
+    public final SkinMultipleCubes larmOuter = new SkinMultipleCubes(4, 12, 4, 48F / 64F, 48F / 64F, 1.0625, 0.2);
+    public final SkinMultipleCubes rarmOuter = new SkinMultipleCubes(4, 12, 4, 40F / 64F, 32F / 64F, 1.0625, 0.2);
+    public final SkinMultipleCubes llegOuter = new SkinMultipleCubes(4, 12, 4, 0F / 64F, 48F / 64F, 1.0625, 0.2);
+    public final SkinMultipleCubes rlegOuter = new SkinMultipleCubes(4, 12, 4, 0F / 64F, 32F / 64F, 1.0625, 0.2);
+
+    public final SkinCube headInside = new SkinCube(8, 8, 8, 32F / 64F, 16F / 64F, 0F, 0F, 0F, false);
+    public final SkinCube bodyInside = new SkinCube(8, 12, 4, 24F / 64F, 16F / 64F, 16F / 64F, 16F / 64F, 0.03F, false);
+    public final SkinCube larmInside = new SkinCube(4, 12, 4, 16F / 64F, 16F / 64F, 32F / 64F, 48F / 64F, 0F, false);
+    public final SkinCube rarmInside = new SkinCube(4, 12, 4, 16F / 64F, 16F / 64F, 40F / 64F, 16F / 64F, 0F, false);
+    public final SkinCube llegInside = new SkinCube(4, 12, 4, 16F / 64F, 16F / 64F, 16F / 64F, 48F / 64F, 0F, false);
+    public final SkinCube rlegInside = new SkinCube(4, 12, 4, 16F / 64F, 16F / 64F, 0F, 16F / 64F, 0F, false);
+
+    public final SkinCube capeCube = new SkinCube(10, 16, 1, 22F / 64F, 17F / 32F, 0F, 0F, 0F, false);
+
+    public final SkinGroup head = new SkinGroup(
+            new Rotate(0, 0, headInside.getHeight() / 2, 0, Rotate.X_AXIS),
+            new Rotate(0, Rotate.Y_AXIS),
+            new Rotate(0, 0, headInside.getHeight() / 2, 0, Rotate.Z_AXIS),
+            headOuter, headInside
+    );
+    public final SkinGroup body = new SkinGroup(
+            new Rotate(0, Rotate.X_AXIS),
+            new Rotate(0, Rotate.Y_AXIS),
+            new Rotate(0, Rotate.Z_AXIS),
+            bodyOuter, bodyInside
+    );
+    public final SkinGroup larm = new SkinGroup(
+            new Rotate(0, 0, -larmInside.getHeight() / 2, 0, Rotate.X_AXIS),
+            new Rotate(0, Rotate.Y_AXIS),
+            new Rotate(0, +larmInside.getWidth() / 2, -larmInside.getHeight() / 2, 0, Rotate.Z_AXIS),
+            larmOuter, larmInside
+    );
+    public final SkinGroup rarm = new SkinGroup(
+            new Rotate(0, 0, -rarmInside.getHeight() / 2, 0, Rotate.X_AXIS),
+            new Rotate(0, Rotate.Y_AXIS),
+            new Rotate(0, -rarmInside.getWidth() / 2, -rarmInside.getHeight() / 2, 0, Rotate.Z_AXIS),
+            rarmOuter, rarmInside
+    );
+    public final SkinGroup lleg = new SkinGroup(
+            new Rotate(0, 0, -llegInside.getHeight() / 2, 0, Rotate.X_AXIS),
+            new Rotate(0, Rotate.Y_AXIS),
+            new Rotate(0, 0, -llegInside.getHeight() / 2, 0, Rotate.Z_AXIS),
+            llegOuter, llegInside
+    );
+    public final SkinGroup rleg = new SkinGroup(
+            new Rotate(0, 0, -rlegInside.getHeight() / 2, 0, Rotate.X_AXIS),
+            new Rotate(0, Rotate.Y_AXIS),
+            new Rotate(0, 0, -rlegInside.getHeight() / 2, 0, Rotate.Z_AXIS),
+            rlegOuter, rlegInside
+    );
+
+    public final SkinGroup capeGroup = new SkinGroup(
+            new Rotate(0, 0, -capeCube.getHeight() / 2, 0, Rotate.X_AXIS),
+            new Rotate(0, Rotate.Y_AXIS),
+            new Rotate(0, Rotate.Z_AXIS),
+            capeCube
+    );
+
+    protected PerspectiveCamera camera = new PerspectiveCamera(true);
+
+    protected Rotate xRotate = new Rotate(0, Rotate.X_AXIS);
+    protected Rotate yRotate = new Rotate(180, Rotate.Y_AXIS);
+    protected Rotate zRotate = new Rotate(0, Rotate.Z_AXIS);
+    protected Translate translate = new Translate(0, 0, -80);
+    protected Scale scale = new Scale(1, 1);
+
+    protected SkinAnimationPlayer animationPlayer = new SkinAnimationPlayer();
+
+    public SkinAnimationPlayer getAnimationPlayer() {
+        return animationPlayer;
+    }
+
+    public Image getSrcSkin() {
+        return srcSkin;
+    }
+
+    public Image getSkin() {
+        return skin;
+    }
+
+    public void updateSkin(Image skin, boolean isSlim, final @Nullable Image cape) {
+        if (SkinHelper.isNoRequest(skin) && SkinHelper.isSkin(skin)) {
+            this.srcSkin = skin;
+            this.skin = SkinHelper.x32Tox64(skin);
+            this.srcCape = cape;
+            this.cape = cape == null ? null : cape.getWidth() < 256 ? SkinHelper.enlarge(cape, 4, 8) : cape;
+            int multiple = Math.max((int) (1024 / skin.getWidth()), 1);
+            if (multiple > 1)
+                this.skin = SkinHelper.enlarge(this.skin, multiple, multiple);
+            updateSkinModel(isSlim, cape != null);
+            bindMaterial(root);
+        }
+    }
+
+    protected void updateSkinModel(boolean isSlim, boolean hasCape) {
+        this.isSlim = isSlim;
+        FunctionHelper.alwaysB(SkinMultipleCubes::setWidth, isSlim ? 3 : 4, larmOuter, rarmOuter);
+        FunctionHelper.alwaysB(SkinCube::setWidth, isSlim ? 3D : 4D, larmInside, rarmInside);
+
+        FunctionHelper.alwaysB(Node::setTranslateX, -(bodyInside.getWidth() + larmInside.getWidth()) / 2, larm);
+        FunctionHelper.alwaysB(Node::setTranslateX, +(bodyInside.getWidth() + rarmInside.getWidth()) / 2, rarm);
+        if (isSlim) {
+            larmInside.setModel(ALEX_LARM.getModel());
+            rarmInside.setModel(ALEX_RARM.getModel());
+        } else {
+            larmInside.setModel(STEVEN_LARM.getModel());
+            rarmInside.setModel(STEVEN_RARM.getModel());
+        }
+
+        larm.getZRotate().setPivotX(-larmInside.getWidth() / 2);
+        rarm.getZRotate().setPivotX(+rarmInside.getWidth() / 2);
+
+        capeGroup.setVisible(hasCape);
+    }
+
+    public SkinCanvas(double preW, double preH) {
+        this(STEVE, preW, preH, true);
+    }
+
+    public SkinCanvas(Image skin, double preW, double preH, boolean msaa) {
+        this.skin = skin;
+        this.preW = preW;
+        this.preH = preH;
+        this.msaa = msaa;
+
+        init();
+    }
+
+    protected Material createMaterial(final Image image) {
+        PhongMaterial material = new PhongMaterial();
+        material.setDiffuseMap(image);
+        return material;
+    }
+
+    protected void bindMaterial(Group group) {
+        Material material = createMaterial(skin);
+        for (Node node : group.getChildren())
+            if (node instanceof Shape3D)
+                ((Shape3D) node).setMaterial(node == capeCube ? createMaterial(cape) : material);
+            else if (node instanceof SkinMultipleCubes)
+                ((SkinMultipleCubes) node).updateSkin(skin);
+            else if (node instanceof Group)
+                bindMaterial((Group) node);
+    }
+
+    protected Group createPlayerModel() {
+        head.setTranslateY(-(bodyInside.getHeight() + headInside.getHeight()) / 2);
+
+        larm.setTranslateX(-(bodyInside.getWidth() + larmInside.getWidth()) / 2);
+        rarm.setTranslateX(+(bodyInside.getWidth() + rarmInside.getWidth()) / 2);
+
+        lleg.setTranslateX(-(bodyInside.getWidth() - llegInside.getWidth()) / 2);
+        rleg.setTranslateX(+(bodyInside.getWidth() - rlegInside.getWidth()) / 2);
+
+        lleg.setTranslateY(+(bodyInside.getHeight() + llegInside.getHeight()) / 2);
+        rleg.setTranslateY(+(bodyInside.getHeight() + rlegInside.getHeight()) / 2);
+
+        capeGroup.setTranslateY(+(capeCube.getHeight() - bodyOuter.getHeight()) / 2);
+        capeGroup.setTranslateZ(-(bodyInside.getDepth() + bodyOuter.getDepth()) / 2);
+
+        capeGroup.getTransforms().addAll(new Rotate(180, Rotate.Y_AXIS), new Rotate(10, Rotate.X_AXIS));
+
+        root.getTransforms().addAll(xRotate);
+
+        root.getChildren().addAll(
+                head,
+                body,
+                larm,
+                rarm,
+                lleg,
+                rleg,
+                capeGroup
+        );
+        updateSkin(skin, false, null);
+
+        return root;
+    }
+
+    protected SubScene createSubScene() {
+        Group group = new Group();
+
+        AmbientLight light = new AmbientLight(Color.WHITE);
+        group.getChildren().add(light);
+
+        group.getChildren().add(createPlayerModel());
+        group.getTransforms().add(zRotate);
+
+        camera.getTransforms().addAll(yRotate, translate, scale);
+
+        subScene = new SubScene(group, preW, preH, true,
+                msaa ? SceneAntialiasing.BALANCED : SceneAntialiasing.DISABLED);
+        subScene.setCamera(camera);
+
+        return subScene;
+    }
+
+    protected void init() {
+        getChildren().add(createSubScene());
+    }
+
+    private double lastX, lastY;
+
+    public void enableRotation(double sensitivity) {
+        addEventHandler(MouseEvent.MOUSE_PRESSED, e -> {
+            lastX = -1;
+            lastY = -1;
+        });
+        addEventHandler(MouseEvent.MOUSE_DRAGGED, e -> {
+            if (!(lastX == -1 || lastY == -1)) {
+                if (e.isAltDown() || e.isControlDown() || e.isShiftDown()) {
+                    if (e.isShiftDown())
+                        zRotate.setAngle(zRotate.getAngle() - (e.getSceneY() - lastY) * sensitivity);
+                    if (e.isAltDown())
+                        yRotate.setAngle(yRotate.getAngle() + (e.getSceneX() - lastX) * sensitivity);
+                    if (e.isControlDown())
+                        xRotate.setAngle(xRotate.getAngle() + (e.getSceneY() - lastY) * sensitivity);
+                } else {
+                    double yaw = yRotate.getAngle() + (e.getSceneX() - lastX) * sensitivity;
+                    yaw %= 360;
+                    if (yaw < 0)
+                        yaw += 360;
+
+                    int flagX = yaw < 90 || yaw > 270 ? 1 : -1;
+                    int flagZ = yaw < 180 ? -1 : 1;
+                    double kx = Math.abs(90 - yaw % 180) / 90 * flagX, kz = Math.abs(90 - (yaw + 90) % 180) / 90 * flagZ;
+
+                    xRotate.setAngle(xRotate.getAngle() + (e.getSceneY() - lastY) * sensitivity * kx);
+                    yRotate.setAngle(yaw);
+                    zRotate.setAngle(zRotate.getAngle() + (e.getSceneY() - lastY) * sensitivity * kz);
+                }
+            }
+            lastX = e.getSceneX();
+            lastY = e.getSceneY();
+        });
+        addEventHandler(ScrollEvent.SCROLL, e -> {
+            double delta = (e.getDeltaY() > 0 ? 1 : e.getDeltaY() == 0 ? 0 : -1) / 10D * sensitivity;
+            scale.setX(Math.min(Math.max(scale.getX() - delta, 0.1), 10));
+            scale.setY(Math.min(Math.max(scale.getY() - delta, 0.1), 10));
+        });
+    }
+
+}
@@ -0,0 +1,148 @@
+package moe.mickey.minecraft.skin.fx;
+
+import javafx.scene.shape.Mesh;
+import javafx.scene.shape.MeshView;
+import javafx.scene.shape.TriangleMesh;
+
+public class SkinCube extends MeshView {
+
+    public static class Model extends TriangleMesh {
+
+        public Model(float width, float height, float depth, float scaleX, float scaleY, float startX, float startY, boolean isSlim) {
+            getPoints().addAll(createPoints(width, height, depth));
+            getTexCoords().addAll(createTexCoords(width, height, depth, scaleX, scaleY, startX, startY, isSlim));
+            getFaces().addAll(createFaces());
+        }
+
+        public static float[] createPoints(float width, float height, float depth) {
+            width /= 2F;
+            height /= 2F;
+            depth /= 2F;
+            return new float[]{
+                    -width, -height, +depth, // P0
+                    +width, -height, +depth, // P1
+                    -width, +height, +depth, // P2
+                    +width, +height, +depth, // P3
+                    -width, -height, -depth, // P4
+                    +width, -height, -depth, // P5
+                    -width, +height, -depth, // P6
+                    +width, +height, -depth  // P7
+            };
+        }
+
+        public static float[] createTexCoords(float width, float height, float depth, float scaleX, float scaleY,
+                float startX, float startY, boolean isSlim) {
+            float x = (width + depth) * 2, y = height + depth, half_width = width / x * scaleX, half_depth = depth / x * scaleX,
+                    top_x = depth / x * scaleX + startX, top_y = startY, arm4 = isSlim ? half_depth : half_width,
+                    bottom_x = startX, middle_y = depth / y * scaleY + top_y, bottom_y = scaleY + top_y;
+            return new float[]{
+                    top_x, top_y,                                    // T0  ---
+                    top_x + half_width, top_y,                       // T1   |
+                    top_x + half_width * 2, top_y,                   // T2  ---
+                    bottom_x, middle_y,                              // T3  ---
+                    bottom_x + half_depth, middle_y,                 // T4   |
+                    bottom_x + half_depth + half_width, middle_y,    // T5   |
+                    bottom_x + scaleX - arm4, middle_y,              // T6   |
+                    bottom_x + scaleX, middle_y,                     // T7  ---
+                    bottom_x, bottom_y,                              // T8  ---
+                    bottom_x + half_depth, bottom_y,                 // T9   |
+                    bottom_x + half_depth + half_width, bottom_y,    // T10  |
+                    bottom_x + scaleX - arm4, bottom_y,              // T11  |
+                    bottom_x + scaleX, bottom_y                      // T12 ---
+            };
+        }
+
+        public static int[] createFaces() {
+            int[] faces = {
+                    // TOP
+                    5, 0, 4, 1, 0, 5,    //P5,T0, P4,T1, P0,T5
+                    5, 0, 0, 5, 1, 4,    //P5,T0, P0,T5, P1,T4
+                    // RIGHT
+                    0, 5, 4, 6, 6, 11,   //P0,T4 ,P4,T3, P6,T8
+                    0, 5, 6, 11, 2, 10,  //P0,T4 ,P6,T8, P2,T9
+                    // FRONT
+                    1, 4, 0, 5, 2, 10,   //P1,T5, P0,T4, P2,T9
+                    1, 4, 2, 10, 3, 9,   //P1,T5, P2,T9, P3,T10
+                    // LEFT
+                    5, 3, 1, 4, 3, 9,    //P5,T6, P1,T5, P3,T10
+                    5, 3, 3, 9, 7, 8,    //P5,T6, P3,T10,P7,T11
+                    // BACK
+                    4, 6, 5, 7, 7, 12,   //P4,T6, P5,T7, P7,T12
+                    4, 6, 7, 12, 6, 11,  //P4,T6, P7,T12,P6,T11
+                    // BOTTOM
+                    3, 5, 2, 6, 6, 2,    //P3,T2, P2,T1, P6,T5
+                    3, 5, 6, 2, 7, 1     //P3,T2, P6,T5, P7,T6
+            };
+
+            int[] copy = faces.clone();
+
+            for (int i = 0, mid = copy.length >> 1, j = copy.length - 1; i < mid; i++, j--) {
+                int tmp = copy[i];
+                copy[i] = copy[j];
+                copy[j] = tmp;
+            }
+
+            for (int i = 0; i < copy.length; i += 2) {
+                int tmp = copy[i];
+                copy[i] = copy[i + 1];
+                copy[i + 1] = tmp;
+            }
+
+            int[] result = new int[faces.length + copy.length];
+            System.arraycopy(faces, 0, result, 0, faces.length);
+            System.arraycopy(copy, 0, result, faces.length, copy.length);
+            return result;
+        }
+
+    }
+
+    private double width, height, depth;
+    private boolean isSlim;
+    private Mesh model;
+
+    public SkinCube(float width, float height, float depth, float scaleX, float scaleY, float startX, float startY, float enlarge, boolean isSlim) {
+        this.width = width;
+        this.height = height;
+        this.depth = depth;
+        this.isSlim = isSlim;
+        setMesh(model = new Model(width + enlarge, height + enlarge, depth + enlarge, scaleX, scaleY, startX, startY, isSlim));
+    }
+
+    public void setWidth(double width) {
+        this.width = width;
+    }
+
+    public double getWidth() {
+        return width;
+    }
+
+    public void setHeight(double height) {
+        this.height = height;
+    }
+
+    public double getHeight() {
+        return height;
+    }
+
+    public void setDepth(double depth) {
+        this.depth = depth;
+    }
+
+    public double getDepth() {
+        return depth;
+    }
+
+    public boolean isSlim() {
+        return isSlim;
+    }
+
+    public Mesh getModel() {
+        return model;
+    }
+
+    public void setModel(Mesh model) {
+        this.model = model;
+        setMesh(model);
+    }
+
+}
@@ -0,0 +1,45 @@
+package moe.mickey.minecraft.skin.fx;
+
+import javafx.scene.Group;
+import javafx.scene.Node;
+import javafx.scene.transform.Rotate;
+
+public class SkinGroup extends Group {
+
+    protected Rotate xRotate, yRotate, zRotate;
+
+    public SkinGroup(Rotate xRotate, Rotate yRotate, Rotate zRotate, Node... nodes) {
+        this.xRotate = xRotate;
+        this.yRotate = yRotate;
+        this.zRotate = zRotate;
+        Group group = new Group();
+        group.getChildren().addAll(nodes);
+        getChildren().add(addRotate(group, xRotate, yRotate, zRotate));
+    }
+
+    protected Group addRotate(Group group, Rotate... rotates) {
+        for (Rotate rotate : rotates)
+            group = addRotate(group, rotate);
+        return group;
+    }
+
+    protected Group addRotate(Group group, Rotate rotate) {
+        Group newGroup = new Group();
+        group.getTransforms().add(rotate);
+        newGroup.getChildren().add(group);
+        return newGroup;
+    }
+
+    public Rotate getXRotate() {
+        return xRotate;
+    }
+
+    public Rotate getYRotate() {
+        return yRotate;
+    }
+
+    public Rotate getZRotate() {
+        return zRotate;
+    }
+
+}
@@ -0,0 +1,125 @@
+package moe.mickey.minecraft.skin.fx;
+
+import javafx.scene.image.Image;
+import javafx.scene.image.PixelReader;
+import javafx.scene.image.PixelWriter;
+import javafx.scene.image.WritableImage;
+
+public final class SkinHelper {
+
+    private SkinHelper() {
+    }
+
+    public static class PixelCopier {
+
+        protected Image srcImage;
+        protected WritableImage newImage;
+
+        public PixelCopier(Image srcImage, WritableImage newImage) {
+            this.srcImage = srcImage;
+            this.newImage = newImage;
+        }
+
+        public void copy(int srcX, int srcY, int width, int height) {
+            copy(srcX, srcY, srcX, srcY, width, height);
+        }
+
+        public void copy(int srcX, int srcY, int toX, int toY, int width, int height) {
+            copy(srcX, srcY, toX, toY, width, height, false, false);
+        }
+
+        public void copy(int srcX, int srcY, int toX, int toY, int width, int height, boolean reversalX, boolean reversalY) {
+            PixelReader reader = srcImage.getPixelReader();
+            PixelWriter writer = newImage.getPixelWriter();
+            for (int x = 0; x < width; x++)
+                for (int y = 0; y < height; y++)
+                    writer.setArgb(toX + x, toY + y,
+                            reader.getArgb(srcX + (reversalX ? width - x - 1 : x), srcY + (reversalY ? height - y - 1 : y)));
+        }
+
+        public void copy(float srcX, float srcY, float toX, float toY, float width, float height) {
+            copy(srcX, srcY, toX, toY, width, height, false, false);
+        }
+
+        public void copy(float srcX, float srcY, float toX, float toY, float width, float height, boolean reversalX, boolean reversalY) {
+            PixelReader reader = srcImage.getPixelReader();
+            PixelWriter writer = newImage.getPixelWriter();
+            int srcScaleX = (int) srcImage.getWidth();
+            int srcScaleY = (int) srcImage.getHeight();
+            int newScaleX = (int) newImage.getWidth();
+            int newScaleY = (int) newImage.getHeight();
+            int srcWidth = (int) (width * srcScaleX);
+            int srcHeight = (int) (height * srcScaleY);
+
+            for (int x = 0; x < srcWidth; x++)
+                for (int y = 0; y < srcHeight; y++)
+                    writer.setArgb((int) (toX * newScaleX + x), (int) (toY * newScaleY + y),
+                            reader.getArgb((int) (srcX * srcScaleX + (reversalX ? srcWidth - x - 1 : x)),
+                                    (int) (srcY * srcScaleY + (reversalY ? srcHeight - y - 1 : y))));
+        }
+
+    }
+
+    public static boolean isNoRequest(Image image) {
+        return image.getRequestedWidth() == 0 && image.getRequestedHeight() == 0;
+    }
+
+    public static boolean isSkin(Image image) {
+        return image.getWidth() % 64 == 0 && image.getWidth() / 64 > 0 &&
+                (image.getHeight() == image.getWidth() / 2 || image.getHeight() == image.getWidth());
+    }
+
+    public static Image x32Tox64(Image srcSkin) {
+        if (srcSkin.getHeight() == srcSkin.getWidth())
+            return srcSkin;
+
+        WritableImage newSkin = new WritableImage((int) srcSkin.getWidth(), (int) srcSkin.getHeight() * 2);
+        PixelCopier copier = new PixelCopier(srcSkin, newSkin);
+        // HEAD & HAT
+        copier.copy(0 / 64F, 0 / 32F, 0 / 64F, 0 / 64F, 64 / 64F, 16 / 32F);
+        // LEFT-LEG
+        x32Tox64(copier, 0 / 64F, 16 / 32F, 16 / 64F, 48 / 64F, 4 / 64F, 12 / 32F, 4 / 64F);
+        // RIGHT-LEG
+        copier.copy(0 / 64F, 16 / 32F, 0 / 64F, 16 / 64F, 16 / 64F, 16 / 32F);
+        // BODY
+        copier.copy(16 / 64F, 16 / 32F, 16 / 64F, 16 / 64F, 24 / 64F, 16 / 32F);
+        // LEFT-ARM
+        x32Tox64(copier, 40 / 64F, 16 / 32F, 32 / 64F, 48 / 64F, 4 / 64F, 12 / 32F, 4 / 64F);
+        // RIGHT-ARM
+        copier.copy(40 / 64F, 16 / 32F, 40 / 64F, 16 / 64F, 16 / 64F, 16 / 32F);
+
+        return newSkin;
+    }
+
+    static void x32Tox64(PixelCopier copier, float srcX, float srcY, float toX, float toY, float width, float height, float depth) {
+        // TOP
+        copier.copy(srcX + depth, srcY, toX + depth, toY, width, depth * 2, true, false);
+        // BOTTOM
+        copier.copy(srcX + depth + width, srcY, toX + depth + width, toY, width, depth * 2, true, false);
+        // INS
+        copier.copy(srcX, srcY + depth * 2, toX + width + depth, toY + depth, depth, height, true, false);
+        // OUTS
+        copier.copy(srcX + width + depth, srcY + depth * 2, toX, toY + depth, depth, height, true, false);
+        // FRONT
+        copier.copy(srcX + depth, srcY + depth * 2, toX + depth, toY + depth, width, height, true, false);
+        // BACK
+        copier.copy(srcX + width + depth * 2, srcY + depth * 2, toX + width + depth * 2, toY + depth, width, height, true, false);
+    }
+
+    public static Image enlarge(Image srcSkin, int multipleX, int multipleY) {
+        WritableImage newSkin = new WritableImage((int) srcSkin.getWidth() * multipleX, (int) srcSkin.getHeight() * multipleY);
+        PixelReader reader = srcSkin.getPixelReader();
+        PixelWriter writer = newSkin.getPixelWriter();
+
+        for (int x = 0, lenX = (int) srcSkin.getWidth(); x < lenX; x++)
+            for (int y = 0, lenY = (int) srcSkin.getHeight(); y < lenY; y++)
+                for (int mx = 0; mx < multipleX; mx++)
+                    for (int my = 0; my < multipleY; my++) {
+                        int argb = reader.getArgb(x, y);
+                        writer.setArgb(x * multipleX + mx, y * multipleY + my, argb);
+                    }
+
+        return newSkin;
+    }
+
+}
@@ -0,0 +1,161 @@
+package moe.mickey.minecraft.skin.fx;
+
+import javafx.geometry.Point2D;
+import javafx.scene.Group;
+import javafx.scene.image.Image;
+import javafx.scene.image.PixelReader;
+import javafx.scene.paint.Color;
+import javafx.scene.paint.Material;
+import javafx.scene.paint.PhongMaterial;
+import javafx.scene.shape.Box;
+
+import java.util.function.BiConsumer;
+import java.util.function.Supplier;
+
+public class SkinMultipleCubes extends Group {
+
+    public static class Face extends Group {
+
+        public Face(Image image, int startX, int startY, int width, int height, int interval, boolean reverseX, boolean reverseY,
+                    Supplier<Box> supplier, BiConsumer<Box, Point2D> consumer) {
+            PixelReader reader = image.getPixelReader();
+            for (int x = 0; x < width; x++)
+                for (int y = 0; y < height; y++) {
+                    int argb;
+                    if ((argb = reader.getArgb(startX + (reverseX ? width - x - 1 : x) * interval,
+                            startY + (reverseY ? height - y - 1 : y) * interval)) != 0) {
+                        Box pixel = supplier.get();
+                        consumer.accept(pixel, new Point2D(x, y));
+                        pixel.setMaterial(createMaterial(Color.rgb(
+                                (argb >> 16) & 0xFF, (argb >> 8) & 0xFF, (argb >> 0) & 0xFF)));
+                        getChildren().add(pixel);
+                    }
+                }
+        }
+
+        protected Material createMaterial(Color color) {
+            return new PhongMaterial(color);
+        }
+
+    }
+
+    protected int width, height, depth;
+    protected float startX, startY;
+    protected double length, thick;
+
+    public SkinMultipleCubes(int width, int height, int depth, float startX, float startY, double length, double thick) {
+        this.width = width;
+        this.height = height;
+        this.depth = depth;
+        this.startX = startX;
+        this.startY = startY;
+        this.length = length;
+        this.thick = thick;
+    }
+
+    public void setWidth(int width) {
+        this.width = width;
+    }
+
+    public int getWidth() {
+        return width;
+    }
+
+    public void setHeight(int height) {
+        this.height = height;
+    }
+
+    public int getHeight() {
+        return height;
+    }
+
+    public void setDepth(int depth) {
+        this.depth = depth;
+    }
+
+    public int getDepth() {
+        return depth;
+    }
+
+    public void setStartX(float startX) {
+        this.startX = startX;
+    }
+
+    public float getStartX() {
+        return startX;
+    }
+
+    public void setStartY(float startY) {
+        this.startY = startY;
+    }
+
+    public float getStartY() {
+        return startY;
+    }
+
+    public void setLength(double length) {
+        this.length = length;
+    }
+
+    public double getLength() {
+        return length;
+    }
+
+    public void setThick(double thick) {
+        this.thick = thick;
+    }
+
+    public double getThick() {
+        return thick;
+    }
+
+    public void updateSkin(Image skin) {
+        getChildren().clear();
+        int start_x = (int) (startX * skin.getWidth()), start_y = (int) (startY * skin.getHeight()),
+                interval = (int) Math.max(skin.getWidth() / 64, 1),
+                width_interval = width * interval, height_interval = height * interval, depth_interval = depth * interval;
+        // FRONT
+        getChildren().add(new Face(skin, start_x + depth_interval, start_y + depth_interval, width, height, interval, false, false,
+                () -> new Box(length, length, thick), (b, p) -> {
+            b.setTranslateX(((width - 1) / 2.0 - p.getX()) * b.getWidth());
+            b.setTranslateY(-((height - 1) / 2.0 - p.getY()) * b.getHeight());
+            b.setTranslateZ((depth * length + thick) / 2.0);
+        }));
+        // BACK
+        getChildren().add(new Face(skin, start_x + width_interval + depth_interval * 2, start_y + depth_interval, width, height, interval, true, false,
+                () -> new Box(length, length, thick), (b, p) -> {
+            b.setTranslateX(((width - 1) / 2.0 - p.getX()) * b.getWidth());
+            b.setTranslateY(-((height - 1) / 2.0 - p.getY()) * b.getHeight());
+            b.setTranslateZ(-(depth * length + thick) / 2.0);
+        }));
+        // LEFT
+        getChildren().add(new Face(skin, start_x + width_interval + depth_interval, start_y + depth_interval, depth, height, interval, false, false,
+                () -> new Box(thick, length, length), (b, p) -> {
+            b.setTranslateX((width * length + thick) / 2.0);
+            b.setTranslateY(-((height - 1) / 2.0 - p.getY()) * b.getHeight());
+            b.setTranslateZ(((depth - 1) / 2.0 - p.getX()) * b.getDepth());
+        }));
+        // RIGHT
+        getChildren().add(new Face(skin, start_x, start_y + depth_interval, depth, height, interval, true, false,
+                () -> new Box(thick, length, length), (b, p) -> {
+            b.setTranslateX(-(width * length + thick) / 2.0);
+            b.setTranslateY(-((height - 1) / 2.0 - p.getY()) * b.getHeight());
+            b.setTranslateZ(((depth - 1) / 2.0 - p.getX()) * b.getDepth());
+        }));
+        // TOP
+        getChildren().add(new Face(skin, start_x + depth_interval, start_y, width, depth, interval, false, false,
+                () -> new Box(length, thick, length), (b, p) -> {
+            b.setTranslateX(((width - 1) / 2.0 - p.getX()) * b.getWidth());
+            b.setTranslateY(-(height * length + thick) / 2.0);
+            b.setTranslateZ(-((depth - 1) / 2.0 - p.getY()) * b.getDepth());
+        }));
+        // BOTTOM
+        getChildren().add(new Face(skin, start_x + width_interval + depth_interval, start_y, width, depth, interval, false, false,
+                () -> new Box(length, thick, length), (b, p) -> {
+            b.setTranslateX(((width - 1) / 2.0 - p.getX()) * b.getWidth());
+            b.setTranslateY((height * length + thick) / 2.0);
+            b.setTranslateZ(-((depth - 1) / 2.0 - p.getY()) * b.getDepth());
+        }));
+    }
+
+}
@@ -0,0 +1,43 @@
+package moe.mickey.minecraft.skin.fx;
+
+import javafx.animation.Transition;
+import javafx.beans.value.WritableValue;
+import javafx.util.Duration;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.function.Function;
+
+public class SkinTransition extends Transition {
+
+    protected Function<Double, Double> expression;
+    protected List<WritableValue<Number>> observables;
+    protected boolean fix;
+    protected int count;
+
+    public int getCount() {
+        return count;
+    }
+
+    @SafeVarargs
+    public SkinTransition(Duration duration, Function<Double, Double> expression, WritableValue<Number>... observables) {
+        setCycleDuration(duration);
+        this.expression = expression;
+        this.observables = Arrays.asList(observables);
+    }
+
+    @Override
+    protected void interpolate(double frac) {
+        if (frac == 0 || frac == 1)
+            count++;
+        double val = expression.apply(frac);
+        observables.forEach(w -> w.setValue(val));
+    }
+
+    @Override
+    public void play() {
+        count = 0;
+        super.play();
+    }
+
+}
@@ -0,0 +1,29 @@
+package moe.mickey.minecraft.skin.fx.animation;
+
+import javafx.util.Duration;
+import moe.mickey.minecraft.skin.fx.FunctionHelper;
+import moe.mickey.minecraft.skin.fx.SkinAnimation;
+import moe.mickey.minecraft.skin.fx.SkinCanvas;
+import moe.mickey.minecraft.skin.fx.SkinTransition;
+
+public final class SkinAniRunning extends SkinAnimation {
+
+    private SkinTransition larmTransition, rarmTransition;
+
+    public SkinAniRunning(int weight, int time, double angle, SkinCanvas canvas) {
+        larmTransition = new SkinTransition(Duration.millis(time),
+                v -> v * (larmTransition.getCount() % 4 < 2 ? 1 : -1) * angle,
+                canvas.larm.getXRotate().angleProperty(), canvas.rleg.getXRotate().angleProperty());
+
+        rarmTransition = new SkinTransition(Duration.millis(time),
+                v -> v * (rarmTransition.getCount() % 4 < 2 ? 1 : -1) * -angle,
+                canvas.rarm.getXRotate().angleProperty(), canvas.lleg.getXRotate().angleProperty());
+
+        FunctionHelper.alwaysB(SkinTransition::setAutoReverse, true, larmTransition, rarmTransition);
+        FunctionHelper.alwaysB(SkinTransition::setCycleCount, 16, larmTransition, rarmTransition);
+        FunctionHelper.always(transitions::add, larmTransition, rarmTransition);
+        this.weight = weight;
+        init();
+    }
+
+}
@@ -0,0 +1,25 @@
+package moe.mickey.minecraft.skin.fx.animation;
+
+import javafx.util.Duration;
+import moe.mickey.minecraft.skin.fx.FunctionHelper;
+import moe.mickey.minecraft.skin.fx.SkinAnimation;
+import moe.mickey.minecraft.skin.fx.SkinCanvas;
+import moe.mickey.minecraft.skin.fx.SkinTransition;
+
+public final class SkinAniWavingArms extends SkinAnimation {
+
+    public SkinAniWavingArms(int weight, int time, double angle, SkinCanvas canvas) {
+        SkinTransition larmTransition = new SkinTransition(Duration.millis(time), v -> v * angle,
+                canvas.larm.getZRotate().angleProperty());
+
+        SkinTransition rarmTransition = new SkinTransition(Duration.millis(time), v -> v * -angle,
+                canvas.rarm.getZRotate().angleProperty());
+
+        FunctionHelper.alwaysB(SkinTransition::setAutoReverse, true, larmTransition, rarmTransition);
+        FunctionHelper.alwaysB(SkinTransition::setCycleCount, 2, larmTransition, rarmTransition);
+        FunctionHelper.always(transitions::add, larmTransition, rarmTransition);
+        this.weight = weight;
+        init();
+    }
+
+}
@@ -1,6 +1,6 @@
 /*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2017  huangyuhui <huanghongxun2008@126.com>
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
@@ -13,102 +13,313 @@
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 package org.jackhuang.hmcl;

-import com.jfoenix.concurrency.JFXUtilities;
 import javafx.application.Application;
 import javafx.application.Platform;
+import javafx.scene.control.Alert;
+import javafx.scene.control.Alert.AlertType;
+import javafx.scene.control.ButtonType;
+import javafx.scene.input.Clipboard;
+import javafx.scene.input.DataFormat;
 import javafx.stage.Stage;
-
+import org.jackhuang.hmcl.auth.offline.Skin;
+import org.jackhuang.hmcl.mod.RemoteMod;
+import org.jackhuang.hmcl.mod.RemoteModRepository;
+import org.jackhuang.hmcl.setting.ConfigHolder;
+import org.jackhuang.hmcl.setting.SambaException;
+import org.jackhuang.hmcl.task.AsyncTaskExecutor;
 import org.jackhuang.hmcl.task.Schedulers;
-import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.ui.Controllers;
-import org.jackhuang.hmcl.upgrade.AppDataUpgrader;
-import org.jackhuang.hmcl.upgrade.IUpgrader;
-import org.jackhuang.hmcl.upgrade.UpdateChecker;
-import org.jackhuang.hmcl.util.*;
+import org.jackhuang.hmcl.upgrade.hmcl.UpdateChecker;
+import org.jackhuang.hmcl.upgrade.hmcl.UpdateHandler;
+import org.jackhuang.hmcl.upgrade.resource.RemoteResourceManager;
+import org.jackhuang.hmcl.util.CrashReporter;
+import org.jackhuang.hmcl.util.Lang;
+import org.jackhuang.hmcl.util.Logging;
+import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.io.JarUtils;
+import org.jackhuang.hmcl.util.platform.Architecture;
+import org.jackhuang.hmcl.util.platform.CommandBuilder;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;

 import java.io.File;
-import java.net.URISyntaxException;
-import java.net.URL;
-import java.net.URLClassLoader;
-import java.util.Arrays;
-import java.util.LinkedList;
+import java.io.IOException;
+import java.lang.management.ManagementFactory;
+import java.net.CookieHandler;
+import java.net.CookieManager;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
+import java.util.logging.Level;
+import java.util.stream.Stream;
+
+import static org.jackhuang.hmcl.ui.FXUtils.runInFX;
+import static org.jackhuang.hmcl.util.Logging.LOG;
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;

 public final class Launcher extends Application {
+    public static final CookieManager COOKIE_MANAGER = new CookieManager();

    @Override
    public void start(Stage primaryStage) {
        Thread.currentThread().setUncaughtExceptionHandler(CRASH_REPORTER);

+        CookieHandler.setDefault(COOKIE_MANAGER);
+
+        register();
+
+        LOG.info("JavaFX Version: " + System.getProperty("javafx.runtime.version"));
        try {
-            // When launcher visibility is set to "hide and reopen" without Platform.implicitExit = false,
-            // Stage.show() cannot work again because JavaFX Toolkit have already shut down.
-            Platform.setImplicitExit(false);
-            Controllers.initialize(primaryStage);
-            primaryStage.setResizable(false);
-            primaryStage.setScene(Controllers.getScene());
+            Object pipeline = Class.forName("com.sun.prism.GraphicsPipeline").getMethod("getPipeline").invoke(null);
+            LOG.info("Prism pipeline: " + (pipeline == null ? "null" : pipeline.getClass().getName()));
+        } catch (Throwable e) {
+            LOG.log(Level.WARNING, "Failed to get prism pipeline", e);
+        }

-            UPDATE_CHECKER.process(false)
-                    .then(Task.of(Schedulers.javafx(), () -> {
-                        if (UPDATE_CHECKER.isOutOfDate())
-                            Controllers.showUpdate();
-                    }))
-                    .start();
+        try {
+            try {
+                ConfigHolder.init();
+            } catch (SambaException ignored) {
+                Main.showWarningAndContinue(i18n("fatal.samba"));
+            } catch (IOException e) {
+                LOG.log(Level.SEVERE, "Failed to load config", e);
+                checkConfigInTempDir();
+                checkConfigOwner();
+                Main.showErrorAndExit(i18n("fatal.config_loading_failure", ConfigHolder.configLocation().getParent()));
+            }

-            primaryStage.show();
+            // https://lapcatsoftware.com/articles/app-translocation.html
+            if (OperatingSystem.CURRENT_OS == OperatingSystem.OSX
+                    && ConfigHolder.isNewlyCreated()
+                    && System.getProperty("user.dir").startsWith("/private/var/folders/")) {
+                if (showAlert(AlertType.WARNING, i18n("fatal.mac_app_translocation"), ButtonType.YES, ButtonType.NO) == ButtonType.NO)
+                    return;
+            } else {
+                checkConfigInTempDir();
+            }
+
+            if (ConfigHolder.isOwnerChanged()) {
+                if (showAlert(AlertType.WARNING, i18n("fatal.config_change_owner_root"), ButtonType.YES, ButtonType.NO) == ButtonType.NO)
+                    return;
+            }
+
+            if (Metadata.HMCL_DIRECTORY.toString().indexOf('=') >= 0) {
+                Main.showWarningAndContinue(i18n("fatal.illegal_char"));
+            }
+
+            // runLater to ensure ConfigHolder.init() finished initialization
+            Platform.runLater(() -> {
+                // When launcher visibility is set to "hide and reopen" without Platform.implicitExit = false,
+                // Stage.show() cannot work again because JavaFX Toolkit have already shut down.
+                Platform.setImplicitExit(false);
+                Controllers.initialize(primaryStage);
+
+                UpdateChecker.init();
+
+                RemoteResourceManager.init();
+
+                RemoteResourceManager.register();
+
+                primaryStage.show();
+            });
        } catch (Throwable e) {
            CRASH_REPORTER.uncaughtException(Thread.currentThread(), e);
        }
    }

-    public static void main(String[] args) {
-        Thread.setDefaultUncaughtExceptionHandler(CRASH_REPORTER);
+    private static void register() {
+        Skin.registerDefaultSkinLoader((type) -> {
+            switch (type) {
+                case ALEX:
+                    return Skin.class.getResourceAsStream("/assets/img/skin/alex.png");
+                case ARI:
+                    return Skin.class.getResourceAsStream("/assets/img/skin/ari.png");
+                case EFE:
+                    return Skin.class.getResourceAsStream("/assets/img/skin/efe.png");
+                case KAI:
+                    return Skin.class.getResourceAsStream("/assets/img/skin/kai.png");
+                case MAKENA:
+                    return Skin.class.getResourceAsStream("/assets/img/skin/makena.png");
+                case NOOR:
+                    return Skin.class.getResourceAsStream("/assets/img/skin/noor.png");
+                case STEVE:
+                    return Skin.class.getResourceAsStream("/assets/img/skin/steve.png");
+                case SUNNY:
+                    return Skin.class.getResourceAsStream("/assets/img/skin/sunny.png");
+                case ZURI:
+                    return Skin.class.getResourceAsStream("/assets/img/skin/zuri.png");
+                default:
+                    return null;
+            }
+        });

-        if (!FileUtils.makeDirectory(LOG_DIRECTORY))
-            System.out.println("Unable to create log directory " + LOG_DIRECTORY + ", log files cannot be generated.");
+        RemoteMod.registerEmptyRemoteMod(new RemoteMod("", "", i18n("mods.broken_dependency.title"), i18n("mods.broken_dependency.desc"), new ArrayList<>(), "", "/assets/img/icon@8x.png", new RemoteMod.IMod() {
+            @Override
+            public List<RemoteMod> loadDependencies(RemoteModRepository modRepository) throws IOException {
+                throw new IOException();
+            }
+
+            @Override
+            public Stream<RemoteMod.Version> loadVersions(RemoteModRepository modRepository) throws IOException {
+                throw new IOException();
+            }
+        }));
+    }
+
+    private static ButtonType showAlert(AlertType alertType, String contentText, ButtonType... buttons) {
+        return new Alert(alertType, contentText, buttons).showAndWait().orElse(null);
+    }
+
+    private static boolean isConfigInTempDir() {
+        String configPath = ConfigHolder.configLocation().toString();
+
+        String tmpdir = System.getProperty("java.io.tmpdir");
+        if (StringUtils.isNotBlank(tmpdir) && configPath.startsWith(tmpdir))
+            return true;
+
+        String[] tempFolderNames = {"Temp", "Cache", "Caches"};
+        for (String name : tempFolderNames) {
+            if (configPath.contains(File.separator + name + File.separator))
+                return true;
+        }
+
+        if (OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS) {
+            return configPath.contains("\\Temporary Internet Files\\")
+                    || configPath.contains("\\INetCache\\")
+                    || configPath.contains("\\$Recycle.Bin\\")
+                    || configPath.contains("\\recycler\\");
+        } else if (OperatingSystem.CURRENT_OS.isLinuxOrBSD()) {
+            return configPath.startsWith("/tmp/")
+                    || configPath.startsWith("/var/tmp/")
+                    || configPath.startsWith("/var/cache/")
+                    || configPath.startsWith("/dev/shm/")
+                    || configPath.contains("/Trash/");
+        } else if (OperatingSystem.CURRENT_OS == OperatingSystem.OSX) {
+            return configPath.startsWith("/var/folders/")
+                    || configPath.startsWith("/private/var/folders/")
+                    || configPath.startsWith("/tmp/")
+                    || configPath.startsWith("/private/tmp/")
+                    || configPath.startsWith("/var/tmp/")
+                    || configPath.startsWith("/private/var/tmp/")
+                    || configPath.contains("/.Trash/");
+        } else {
+            return false;
+        }
+    }
+
+    private static void checkConfigInTempDir() {
+        if (ConfigHolder.isNewlyCreated() && isConfigInTempDir()
+                && showAlert(AlertType.WARNING, i18n("fatal.config_in_temp_dir"), ButtonType.YES, ButtonType.NO) == ButtonType.NO) {
+            System.exit(0);
+        }
+    }
+
+    private static void checkConfigOwner() {
+        if (OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS)
+            return;
+
+        String userName = System.getProperty("user.name");
+        String owner;
+        try {
+            owner = Files.getOwner(ConfigHolder.configLocation()).getName();
+        } catch (IOException ioe) {
+            LOG.log(Level.WARNING, "Failed to get file owner", ioe);
+            return;
+        }
+
+        if (Files.isWritable(ConfigHolder.configLocation()) || userName.equals("root") || userName.equals(owner))
+            return;
+
+        ArrayList<String> files = new ArrayList<>();
+        files.add(ConfigHolder.configLocation().toString());
+        if (Files.exists(Metadata.HMCL_DIRECTORY))
+            files.add(Metadata.HMCL_DIRECTORY.toString());
+
+        Path mcDir = Paths.get(".minecraft").toAbsolutePath().normalize();
+        if (Files.exists(mcDir))
+            files.add(mcDir.toString());
+
+        String command = new CommandBuilder().add("sudo", "chown", "-R", userName).addAll(files).toString();
+        ButtonType copyAndExit = new ButtonType(i18n("button.copy_and_exit"));
+
+        if (showAlert(AlertType.ERROR,
+                i18n("fatal.config_loading_failure.unix", owner, command),
+                copyAndExit, ButtonType.CLOSE) == copyAndExit) {
+            Clipboard.getSystemClipboard()
+                    .setContent(Collections.singletonMap(DataFormat.PLAIN_TEXT, command));
+        }
+        System.exit(1);
+    }
+
+    @Override
+    public void stop() throws Exception {
+        super.stop();
+        Controllers.onApplicationStop();
+    }
+
+    public static void main(String[] args) {
+        if (UpdateHandler.processArguments(args)) {
+            return;
+        }
+
+        Thread.setDefaultUncaughtExceptionHandler(CRASH_REPORTER);
+        AsyncTaskExecutor.setUncaughtExceptionHandler(new CrashReporter(false));

        try {
-            Logging.start(LOG_DIRECTORY);
+            LOG.info("*** " + Metadata.TITLE + " ***");
+            LOG.info("Operating System: " + OperatingSystem.SYSTEM_NAME + ' ' + OperatingSystem.SYSTEM_VERSION);
+            LOG.info("System Architecture: " + Architecture.SYSTEM_ARCH_NAME);
+            LOG.info("Java Architecture: " + Architecture.CURRENT_ARCH_NAME);
+            LOG.info("Java Version: " + System.getProperty("java.version") + ", " + System.getProperty("java.vendor"));
+            LOG.info("Java VM Version: " + System.getProperty("java.vm.name") + " (" + System.getProperty("java.vm.info") + "), " + System.getProperty("java.vm.vendor"));
+            LOG.info("Java Home: " + System.getProperty("java.home"));
+            LOG.info("Current Directory: " + System.getProperty("user.dir"));
+            LOG.info("HMCL Directory: " + Metadata.HMCL_DIRECTORY);
+            LOG.info("HMCL Jar Path: " + Lang.requireNonNullElse(JarUtils.thisJarPath(), "Not Found"));
+            LOG.info("Memory: " + Runtime.getRuntime().maxMemory() / 1024 / 1024 + "MB");
+            LOG.info("Physical memory: " + OperatingSystem.TOTAL_MEMORY + " MB");
+            LOG.info("Metaspace: " + ManagementFactory.getMemoryPoolMXBeans().stream()
+                    .filter(bean -> bean.getName().equals("Metaspace"))
+                    .findAny()
+                    .map(bean -> bean.getUsage().getUsed() / 1024 / 1024 + "MB")
+                    .orElse("Unknown"));
+            if (OperatingSystem.CURRENT_OS.isLinuxOrBSD())
+                LOG.info("XDG Session Type: " + System.getenv("XDG_SESSION_TYPE"));

-            // NetworkUtils.setUserAgentSupplier(() -> "Hello Minecraft! Launcher");
-            Constants.UI_THREAD_SCHEDULER = Constants.JAVAFX_UI_THREAD_SCHEDULER;
-            UPGRADER.parseArguments(VersionNumber.asVersion(VERSION), Arrays.asList(args));
+            if (System.getProperty("hmcl.update_source.override") != null) {
+                Logging.LOG.log(Level.WARNING, "'hmcl.update_source.override' is deprecated! Please use 'hmcl.hmcl_update_source.override' instead");
+            }

-            Logging.LOG.info("*** " + TITLE + " ***");
-            Logging.LOG.info("Operating System: " + System.getProperty("os.name") + ' ' + OperatingSystem.SYSTEM_VERSION);
-            Logging.LOG.info("Java Version: " + System.getProperty("java.version") + ", " + System.getProperty("java.vendor"));
-            Logging.LOG.info("Java VM Version: " + System.getProperty("java.vm.name") + " (" + System.getProperty("java.vm.info") + "), " + System.getProperty("java.vm.vendor"));
-            Logging.LOG.info("Java Home: " + System.getProperty("java.home"));
-
-            launch(args);
+            launch(Launcher.class, args);
        } catch (Throwable e) { // Fucking JavaFX will suppress the exception and will break our crash reporter.
            CRASH_REPORTER.uncaughtException(Thread.currentThread(), e);
        }
    }

    public static void stopApplication() {
-        Logging.LOG.info("Stopping application.\n" + StringUtils.getStackTrace(Thread.currentThread().getStackTrace()));
+        LOG.info("Stopping application.\n" + StringUtils.getStackTrace(Thread.currentThread().getStackTrace()));

-        JFXUtilities.runInFX(() -> {
+        runInFX(() -> {
            if (Controllers.getStage() == null)
                return;
            Controllers.getStage().close();
            Schedulers.shutdown();
            Controllers.shutdown();
            Platform.exit();
-            Lang.executeDelayed(OperatingSystem::forceGC, TimeUnit.SECONDS, 5, true);
        });
    }

    public static void stopWithoutPlatform() {
-        Logging.LOG.info("Stopping application without JavaFX Toolkit.\n" + StringUtils.getStackTrace(Thread.currentThread().getStackTrace()));
+        LOG.info("Stopping application without JavaFX Toolkit.\n" + StringUtils.getStackTrace(Thread.currentThread().getStackTrace()));

-        JFXUtilities.runInFX(() -> {
+        runInFX(() -> {
            if (Controllers.getStage() == null)
                return;
            Controllers.getStage().close();
@@ -118,37 +329,5 @@ public final class Launcher extends Application {
        });
    }

-    public static List<File> getCurrentJarFiles() {
-        List<File> result = new LinkedList<>();
-        if (Launcher.class.getClassLoader() instanceof URLClassLoader) {
-            URL[] urls = ((URLClassLoader) Launcher.class.getClassLoader()).getURLs();
-            for (URL u : urls)
-                try {
-                    File f = new File(u.toURI());
-                    if (f.isFile() && (f.getName().endsWith(".exe") || f.getName().endsWith(".jar")))
-                        result.add(f);
-                } catch (URISyntaxException e) {
-                    return null;
-                }
-        }
-        if (result.isEmpty())
-            return null;
-        else
-            return result;
-    }
-
-    public static final File MINECRAFT_DIRECTORY = OperatingSystem.getWorkingDirectory("minecraft");
-    public static final File HMCL_DIRECTORY = OperatingSystem.getWorkingDirectory("hmcl");
-    public static final File LOG_DIRECTORY = new File(Launcher.HMCL_DIRECTORY, "logs");
-
-    public static final String VERSION = System.getProperty("hmcl.version.override", "@HELLO_MINECRAFT_LAUNCHER_VERSION_FOR_GRADLE_REPLACING@");
-    public static final String NAME = "HMCL";
-    public static final String TITLE = NAME + " " + VERSION;
-    public static final UpdateChecker UPDATE_CHECKER = new UpdateChecker(VersionNumber.asVersion(VERSION));
-    public static final IUpgrader UPGRADER = new AppDataUpgrader();
-    public static final CrashReporter CRASH_REPORTER = new CrashReporter();
-
-    public static final String UPDATE_SERVER = "https://www.huangyuhui.net";
-    public static final String CONTACT = UPDATE_SERVER + "/hmcl.php";
-    public static final String PUBLISH = "http://www.mcbbs.net/thread-142335-1-1.html";
+    public static final CrashReporter CRASH_REPORTER = new CrashReporter(true);
 }
@@ -1,6 +1,6 @@
 /*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
@@ -13,34 +13,75 @@
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 package org.jackhuang.hmcl;

-import static org.jackhuang.hmcl.util.Logging.LOG;
-import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
+import javafx.application.Platform;
+import javafx.scene.control.Alert;
+import org.jackhuang.hmcl.ui.AwtUtils;
+import org.jackhuang.hmcl.util.FractureiserDetector;
+import org.jackhuang.hmcl.util.Logging;
+import org.jackhuang.hmcl.util.SelfDependencyPatcher;
+import org.jackhuang.hmcl.ui.SwingUtils;
+import org.jackhuang.hmcl.util.platform.JavaVersion;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;

+import javax.net.ssl.HttpsURLConnection;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.TrustManagerFactory;
 import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.security.KeyManagementException;
 import java.security.KeyStore;
 import java.security.KeyStoreException;
 import java.security.NoSuchAlgorithmException;
-import java.security.cert.X509Certificate;
+import java.security.cert.CertificateException;
+import java.util.Collections;
+import java.util.concurrent.CancellationException;
 import java.util.logging.Level;

-import javax.net.ssl.TrustManager;
-import javax.net.ssl.TrustManagerFactory;
-import javax.net.ssl.X509TrustManager;
-import javax.swing.JOptionPane;
+import static org.jackhuang.hmcl.util.Lang.thread;
+import static org.jackhuang.hmcl.util.Logging.LOG;
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;

 public final class Main {

+    private Main() {
+    }
+
    public static void main(String[] args) {
-        checkJavaFX();
+        System.setProperty("java.net.useSystemProxies", "true");
+        System.setProperty("javafx.autoproxy.disable", "true");
+        System.getProperties().putIfAbsent("http.agent", "HMCL/" + Metadata.VERSION);
+
        checkDirectoryPath();
-        checkDSTRootCAX3();
+
+        if (JavaVersion.CURRENT_JAVA.getParsedVersion() < 9)
+            // This environment check will take ~300ms
+            thread(Main::fixLetsEncrypt, "CA Certificate Check", true);
+
+        if (OperatingSystem.CURRENT_OS == OperatingSystem.OSX)
+            initIcon();
+
+        Logging.start(Metadata.HMCL_DIRECTORY.resolve("logs"));
+
+        checkJavaFX();
+        verifyJavaFX();
+        detectFractureiser();
+
        Launcher.main(args);
    }

+    private static void initIcon() {
+        java.awt.Image image = java.awt.Toolkit.getDefaultToolkit().getImage(Main.class.getResource("/assets/img/icon@8x.png"));
+        AwtUtils.setAppleIcon(image);
+    }
+
    private static void checkDirectoryPath() {
        String currentDirectory = new File("").getAbsolutePath();
        if (currentDirectory.contains("!")) {
@@ -50,53 +91,108 @@ public final class Main {
        }
    }

-    private static void checkJavaFX() {
-        try {
-            Class.forName("javafx.application.Application");
-        } catch (ClassNotFoundException e) {
-            showErrorAndExit(i18n("fatal.missing_javafx"));
+    private static void detectFractureiser() {
+        if (FractureiserDetector.detect()) {
+            LOG.log(Level.SEVERE, "Detected that this computer is infected by fractureiser");
+            showErrorAndExit(i18n("fatal.fractureiser"));
        }
    }

-    private static void checkDSTRootCAX3() {
-        TrustManagerFactory tmf;
+    private static void checkJavaFX() {
        try {
-            tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
-            tmf.init((KeyStore) null);
-        } catch (NoSuchAlgorithmException | KeyStoreException e) {
-            LOG.log(Level.WARNING, "Failed to init TrustManagerFactory", e);
-            // don't know what to do here
-            return;
+            SelfDependencyPatcher.patch();
+        } catch (SelfDependencyPatcher.PatchException e) {
+            LOG.log(Level.SEVERE, "unable to patch JVM", e);
+            showErrorAndExit(i18n("fatal.javafx.missing"));
+        } catch (SelfDependencyPatcher.IncompatibleVersionException e) {
+            LOG.log(Level.SEVERE, "unable to patch JVM", e);
+            showErrorAndExit(i18n("fatal.javafx.incompatible"));
+        } catch (CancellationException e) {
+            LOG.log(Level.SEVERE, "User cancels downloading JavaFX", e);
+            System.exit(0);
        }
-        for (TrustManager tm : tmf.getTrustManagers()) {
-            if (tm instanceof X509TrustManager) {
-                for (X509Certificate cert : ((X509TrustManager) tm).getAcceptedIssuers()) {
-                    if ("CN=DST Root CA X3, O=Digital Signature Trust Co.".equals((cert.getSubjectDN().getName()))) {
-                        return;
-                    }
-                }
-            }
+    }
+
+    /**
+     * Check if JavaFX exists but is incomplete
+     */
+    private static void verifyJavaFX() {
+        try {
+            Class.forName("javafx.beans.binding.Binding"); // javafx.base
+            Class.forName("javafx.stage.Stage");           // javafx.graphics
+            Class.forName("javafx.scene.control.Skin");    // javafx.controls
+        } catch (Exception e) {
+            showErrorAndExit(i18n("fatal.javafx.incomplete"));
        }
-        showWarningAndContinue(i18n("fatal.missing_dst_root_ca_x3"));
    }

    /**
     * Indicates that a fatal error has occurred, and that the application cannot start.
     */
-    private static void showErrorAndExit(String message) {
+    static void showErrorAndExit(String message) {
        System.err.println(message);
        System.err.println("A fatal error has occurred, forcibly exiting.");
-        JOptionPane.showMessageDialog(null, message, "Error", JOptionPane.ERROR_MESSAGE);
+
+        try {
+            if (Platform.isFxApplicationThread()) {
+                new Alert(Alert.AlertType.ERROR, message).showAndWait();
+                System.exit(1);
+            }
+        } catch (Throwable ignored) {
+        }
+
+        SwingUtils.showErrorDialog(message);
        System.exit(1);
    }

    /**
     * Indicates that potential issues have been detected, and that the application may not function properly (but it can still run).
     */
-    private static void showWarningAndContinue(String message) {
+    static void showWarningAndContinue(String message) {
        System.err.println(message);
        System.err.println("Potential issues have been detected.");
-        JOptionPane.showMessageDialog(null, message, "Warning", JOptionPane.WARNING_MESSAGE);
+
+        try {
+            if (Platform.isFxApplicationThread()) {
+                new Alert(Alert.AlertType.WARNING, message).showAndWait();
+                return;
+            }
+        } catch (Throwable ignored) {
+        }
+
+        SwingUtils.showWarningDialog(message);
    }

+    private static void fixLetsEncrypt() {
+        try {
+            KeyStore defaultKeyStore = KeyStore.getInstance(KeyStore.getDefaultType());
+            Path ksPath = Paths.get(System.getProperty("java.home"), "lib", "security", "cacerts");
+
+            try (InputStream ksStream = Files.newInputStream(ksPath)) {
+                defaultKeyStore.load(ksStream, "changeit".toCharArray());
+            }
+
+            KeyStore letsEncryptKeyStore = KeyStore.getInstance(KeyStore.getDefaultType());
+            try (InputStream letsEncryptFile = Main.class.getResourceAsStream("/assets/lekeystore.jks")) {
+                letsEncryptKeyStore.load(letsEncryptFile, "supersecretpassword".toCharArray());
+            }
+
+            KeyStore merged = KeyStore.getInstance(KeyStore.getDefaultType());
+            merged.load(null, new char[0]);
+            for (String alias : Collections.list(letsEncryptKeyStore.aliases()))
+                merged.setCertificateEntry(alias, letsEncryptKeyStore.getCertificate(alias));
+            for (String alias : Collections.list(defaultKeyStore.aliases()))
+                merged.setCertificateEntry(alias, defaultKeyStore.getCertificate(alias));
+
+            TrustManagerFactory instance = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
+            instance.init(merged);
+            SSLContext tls = SSLContext.getInstance("TLS");
+            tls.init(null, instance.getTrustManagers(), null);
+            HttpsURLConnection.setDefaultSSLSocketFactory(tls.getSocketFactory());
+            LOG.info("Added Lets Encrypt root certificates as additional trust");
+        } catch (KeyStoreException | IOException | NoSuchAlgorithmException | CertificateException |
+                 KeyManagementException e) {
+            LOG.log(Level.SEVERE, "Failed to load lets encrypt certificate. Expect problems", e);
+        }
+    }
 }
@@ -0,0 +1,84 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2021  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl;
+
+import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.io.JarUtils;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+/**
+ * Stores metadata about this application.
+ */
+public final class Metadata {
+    private Metadata() {}
+
+    public static final String NAME = "HMCL";
+    public static final String FULL_NAME = "Hello Minecraft! Launcher";
+    public static final String VERSION = System.getProperty("hmcl.version.override", JarUtils.getManifestAttribute("Implementation-Version", "@develop@"));
+
+    public static final String TITLE = NAME + " " + VERSION;
+    public static final String FULL_TITLE = FULL_NAME + " v" + VERSION;
+
+    // hmcl.update_source.override is deprecated. If it is used, a warning message will be printed in org.jackhuang.hmcl.Launcher.main .
+    public static final String HMCL_UPDATE_URL = System.getProperty("hmcl.hmcl_update_source.override", System.getProperty("hmcl.update_source.override", "https://hmcl.huangyuhui.net/api/update_link"));
+    public static final String RESOURCE_UPDATE_URL = System.getProperty("hmcl.resource_update_source.override", "https://hmcl.huangyuhui.net/api/dynamic_remote_resource/update_link");
+    public static final String CONTACT_URL = "https://docs.hmcl.net/help.html";
+    public static final String HELP_URL = "https://docs.hmcl.net";
+    public static final String CHANGELOG_URL = "https://docs.hmcl.net/changelog/";
+    public static final String PUBLISH_URL = "https://www.mcbbs.net/thread-142335-1-1.html";
+    public static final String EULA_URL = "https://docs.hmcl.net/eula/hmcl.html";
+
+    public static final String BUILD_CHANNEL = JarUtils.getManifestAttribute("Build-Channel", "nightly");
+    public static final String GITHUB_SHA = JarUtils.getManifestAttribute("GitHub-SHA", null);
+
+    public static final Path MINECRAFT_DIRECTORY = OperatingSystem.getWorkingDirectory("minecraft");
+    public static final Path HMCL_DIRECTORY;
+
+    static {
+        String hmclHome = System.getProperty("hmcl.home");
+        if (hmclHome == null) {
+            if (OperatingSystem.CURRENT_OS.isLinuxOrBSD()) {
+                String xdgData = System.getenv("XDG_DATA_HOME");
+                if (StringUtils.isNotBlank(xdgData)) {
+                    HMCL_DIRECTORY = Paths.get(xdgData, "hmcl").toAbsolutePath();
+                } else {
+                    HMCL_DIRECTORY = Paths.get(System.getProperty("user.home", "."), ".local", "share", "hmcl").toAbsolutePath();
+                }
+            } else {
+                HMCL_DIRECTORY = OperatingSystem.getWorkingDirectory("hmcl");
+            }
+        } else {
+            HMCL_DIRECTORY = Paths.get(hmclHome).toAbsolutePath().normalize();
+        }
+    }
+
+    public static boolean isStable() {
+        return "stable".equals(BUILD_CHANNEL);
+    }
+
+    public static boolean isDev() {
+        return "dev".equals(BUILD_CHANNEL);
+    }
+
+    public static boolean isNightly() {
+        return !isStable() && !isDev();
+    }
+}
@@ -0,0 +1,87 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.countly;
+
+import org.jackhuang.hmcl.util.io.HttpRequest;
+
+import java.io.IOException;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.Locale;
+import java.util.TimeZone;
+
+import static org.jackhuang.hmcl.util.Pair.pair;
+
+public class Countly {
+
+    private String deviceId;
+    private String endpoint;
+    private String serverURL;
+
+    public void sendMetric(String metrics) throws IOException {
+        HttpRequest.GET(serverURL + endpoint,
+                pair("begin_session", "1"),
+                pair("session_id", "1"),
+                pair("metrics", metrics),
+                pair("device_id", deviceId),
+                pair("timestamp", Long.toString(System.currentTimeMillis())),
+                pair("tz", Integer.toString(TimeZone.getDefault().getOffset(new Date().getTime()) / 60000)),
+                pair("hour", Integer.toString(currentHour())),
+                pair("dow", Integer.toString(currentDayOfWeek())),
+                pair("app_key", APP_KEY),
+                pair("sdk_name", "java-native"),
+                pair("sdk_version", "20.11.1"))
+                .getString();
+    }
+
+    private static int getTimezoneOffset() {
+        return TimeZone.getDefault().getOffset(new Date().getTime()) / 60000;
+    }
+
+    private static String getLocale() {
+        final Locale locale = Locale.getDefault();
+        return locale.getLanguage() + "_" + locale.getCountry();
+    }
+
+    private static int currentHour() {
+        return Calendar.getInstance().get(Calendar.HOUR_OF_DAY);
+    }
+
+    private int currentDayOfWeek() {
+        int day = Calendar.getInstance().get(Calendar.DAY_OF_WEEK);
+        switch (day) {
+            case Calendar.SUNDAY:
+                return 0;
+            case Calendar.MONDAY:
+                return 1;
+            case Calendar.TUESDAY:
+                return 2;
+            case Calendar.WEDNESDAY:
+                return 3;
+            case Calendar.THURSDAY:
+                return 4;
+            case Calendar.FRIDAY:
+                return 5;
+            case Calendar.SATURDAY:
+                return 6;
+        }
+        return 0;
+    }
+
+    private static final String APP_KEY = "";
+}
@@ -0,0 +1,110 @@
+package org.jackhuang.hmcl.countly;
+
+import org.jackhuang.hmcl.Metadata;
+import org.jackhuang.hmcl.util.Logging;
+import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.platform.Architecture;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;
+
+import java.io.File;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Map;
+
+import static org.jackhuang.hmcl.util.Lang.mapOf;
+import static org.jackhuang.hmcl.util.Pair.pair;
+
+public class CrashReport {
+
+    private final Thread thread;
+    private final Throwable throwable;
+    private final String stackTrace;
+
+    private boolean nonFatal;
+
+    public CrashReport(Thread thread, Throwable throwable) {
+        this.thread = thread;
+        this.throwable = throwable;
+        stackTrace = StringUtils.getStackTrace(throwable);
+        nonFatal = false;
+    }
+
+    public Throwable getThrowable() {
+        return this.throwable;
+    }
+
+    public CrashReport setNonFatal() {
+        nonFatal = true;
+        return this;
+    }
+
+    public boolean shouldBeReport() {
+        if (!stackTrace.contains("org.jackhuang"))
+            return false;
+
+        if (throwable instanceof VirtualMachineError)
+            return false;
+
+        return true;
+    }
+
+    public Map<String, Object> getMetrics(long runningTime) {
+        return mapOf(
+                pair("_run", runningTime),
+                pair("_app_version", Metadata.VERSION),
+                pair("_os", OperatingSystem.SYSTEM_NAME),
+                pair("_os_version", OperatingSystem.SYSTEM_VERSION),
+                pair("_disk_current", getDiskAvailable()),
+                pair("_disk_total", getDiskTotal()),
+                pair("_ram_current", getMemoryAvailable()),
+                pair("_ram_total", Runtime.getRuntime().maxMemory() / BYTES_IN_MB),
+                pair("_error", stackTrace),
+                pair("_logs", Logging.getLogs()),
+                pair("_name", throwable.getLocalizedMessage()),
+                pair("_nonfatal", nonFatal)
+        );
+    }
+
+    public String getDisplayText() {
+        return "---- Hello Minecraft! Crash Report ----\n" +
+                "  Version: " + Metadata.VERSION + "\n" +
+                "  Time: " + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()) + "\n" +
+                "  Thread: " + thread + "\n" +
+                "\n  Content: \n    " +
+                stackTrace + "\n\n" +
+                "-- System Details --\n" +
+                "  Operating System: " + OperatingSystem.SYSTEM_NAME + ' ' + OperatingSystem.SYSTEM_VERSION + "\n" +
+                "  System Architecture: " + Architecture.SYSTEM_ARCH_NAME + "\n" +
+                "  Java Architecture: " + Architecture.CURRENT_ARCH_NAME + "\n" +
+                "  Java Version: " + System.getProperty("java.version") + ", " + System.getProperty("java.vendor") + "\n" +
+                "  Java VM Version: " + System.getProperty("java.vm.name") + " (" + System.getProperty("java.vm.info") + "), " + System.getProperty("java.vm.vendor") + "\n" +
+                "  JVM Max Memory: " + Runtime.getRuntime().maxMemory() + "\n" +
+                "  JVM Total Memory: " + Runtime.getRuntime().totalMemory() + "\n" +
+                "  JVM Free Memory: " + Runtime.getRuntime().freeMemory() + "\n";
+    }
+
+    private static final Long BYTES_IN_MB = 1024L * 1024;
+
+    private static long getMemoryAvailable() {
+        Long total = Runtime.getRuntime().totalMemory();
+        Long availMem = Runtime.getRuntime().freeMemory();
+        return (total - availMem) / BYTES_IN_MB;
+    }
+
+    private static long getDiskAvailable() {
+        long total = 0, free = 0;
+        for (File f : File.listRoots()) {
+            total += f.getTotalSpace();
+            free += f.getUsableSpace();
+        }
+        return (total - free) / BYTES_IN_MB;
+    }
+
+    private static long getDiskTotal() {
+        long total = 0;
+        for (File f : File.listRoots()) {
+            total += f.getTotalSpace();
+        }
+        return total / BYTES_IN_MB;
+    }
+}
@@ -1,57 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.event;
-
-import org.jackhuang.hmcl.auth.Account;
-import org.jackhuang.hmcl.util.ToStringBuilder;
-
-/**
- * This event gets fired when added accounts.
- * <br>
- * This event is fired on the {@link org.jackhuang.hmcl.event.EventBus#EVENT_BUS}
- *
- * @author huangyuhui
- */
-public class AccountAddedEvent extends Event {
-
-    private final Account account;
-
-    /**
-     * Constructor.
-     *
-     * @param source {@link org.jackhuang.hmcl.setting.Settings}
-     */
-    public AccountAddedEvent(Object source, Account account) {
-        super(source);
-        this.account = account;
-    }
-
-
-    public Account getAccount() {
-        return account;
-    }
-
-    @Override
-    public String toString() {
-        return new ToStringBuilder(this)
-                .append("source", source)
-                .append("account", account)
-                .toString();
-    }
-}
-
@@ -1,60 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.event;
-
-import org.jackhuang.hmcl.auth.Account;
-import org.jackhuang.hmcl.util.ToStringBuilder;
-
-import java.util.Collection;
-import java.util.Collections;
-
-/**
- * This event gets fired when loading accounts.
- * <br>
- * This event is fired on the {@link org.jackhuang.hmcl.event.EventBus#EVENT_BUS}
- *
- * @author huangyuhui
- */
-public class AccountLoadingEvent extends Event {
-
-    private final Collection<Account> accounts;
-
-    /**
-     * Constructor.
-     *
-     * @param source {@link org.jackhuang.hmcl.setting.Settings}
-     */
-    public AccountLoadingEvent(Object source, Collection<Account> accounts) {
-        super(source);
-        this.accounts = Collections.unmodifiableCollection(accounts);
-    }
-
-
-    public Collection<Account> getAccounts() {
-        return accounts;
-    }
-
-    @Override
-    public String toString() {
-        return new ToStringBuilder(this)
-                .append("source", source)
-                .append("accounts", accounts)
-                .toString();
-    }
-}
-
@@ -1,53 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.event;
-
-import org.jackhuang.hmcl.util.ToStringBuilder;
-import org.jackhuang.hmcl.util.VersionNumber;
-
-/**
- *
- * Result: Deny if do not upgrade HMCL.
- *
- * @author huangyuhui
- */
-public final class OutOfDateEvent extends Event {
-    private final VersionNumber version;
-
-    public OutOfDateEvent(Object source, VersionNumber version) {
-        super(source);
-        this.version = version;
-    }
-
-    public VersionNumber getVersion() {
-        return version;
-    }
-
-    @Override
-    public boolean hasResult() {
-        return true;
-    }
-
-    @Override
-    public String toString() {
-        return new ToStringBuilder(this)
-                .append("source", getSource())
-                .append("version", getVersion())
-                .toString();
-    }
-}
@@ -1,55 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.event;
-
-import org.jackhuang.hmcl.setting.Profile;
-import org.jackhuang.hmcl.util.ToStringBuilder;
-
-/**
- * This event gets fired when the selected profile changed.
- * <br>
- * This event is fired on the {@link org.jackhuang.hmcl.event.EventBus#EVENT_BUS}
- * @author huangyuhui
- */
-public final class ProfileChangedEvent extends Event {
-    private final Profile profile;
-
-    /**
-     * Constructor.
-     *
-     * @param source {@link org.jackhuang.hmcl.setting.Settings}
-     * @param profile the new profile.
-     */
-    public ProfileChangedEvent(Object source, Profile profile) {
-        super(source);
-
-        this.profile = profile;
-    }
-
-    public Profile getProfile() {
-        return profile;
-    }
-
-    @Override
-    public String toString() {
-        return new ToStringBuilder(this)
-                .append("source", source)
-                .append("profile", profile)
-                .toString();
-    }
-}
@@ -1,60 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.event;
-
-import org.jackhuang.hmcl.setting.Profile;
-import org.jackhuang.hmcl.util.ToStringBuilder;
-
-import java.util.Collection;
-import java.util.Collections;
-
-/**
- * This event gets fired when loading profiles.
- * <br>
- * This event is fired on the {@link org.jackhuang.hmcl.event.EventBus#EVENT_BUS}
- *
- * @author huangyuhui
- */
-public class ProfileLoadingEvent extends Event {
-
-    private final Collection<Profile> profiles;
-
-    /**
-     * Constructor.
-     *
-     * @param source {@link org.jackhuang.hmcl.setting.Settings}
-     */
-    public ProfileLoadingEvent(Object source, Collection<Profile> profiles) {
-        super(source);
-
-        this.profiles = Collections.unmodifiableCollection(profiles);
-    }
-
-    public Collection<Profile> getProfiles() {
-        return profiles;
-    }
-
-    @Override
-    public String toString() {
-        return new ToStringBuilder(this)
-                .append("source", source)
-                .append("profiles", profiles)
-                .toString();
-    }
-}
-
@@ -1,195 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.game;
-
-import javafx.geometry.Rectangle2D;
-import javafx.scene.image.Image;
-import org.jackhuang.hmcl.Launcher;
-import org.jackhuang.hmcl.auth.Account;
-import org.jackhuang.hmcl.auth.yggdrasil.GameProfile;
-import org.jackhuang.hmcl.auth.yggdrasil.Texture;
-import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilAccount;
-import org.jackhuang.hmcl.setting.Settings;
-import org.jackhuang.hmcl.task.FileDownloadTask;
-import org.jackhuang.hmcl.task.Scheduler;
-import org.jackhuang.hmcl.task.Schedulers;
-import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.ui.DialogController;
-import org.jackhuang.hmcl.util.NetworkUtils;
-
-import java.io.File;
-import java.net.Proxy;
-import java.util.*;
-
-public final class AccountHelper {
-
-    private AccountHelper() {}
-
-    public static final File SKIN_DIR = new File(Launcher.HMCL_DIRECTORY, "skins");
-
-    public static void loadSkins() {
-        loadSkins(Proxy.NO_PROXY);
-    }
-
-    public static void loadSkins(Proxy proxy) {
-        for (Account account : Settings.INSTANCE.getAccounts()) {
-            if (account instanceof YggdrasilAccount) {
-                new SkinLoadTask((YggdrasilAccount) account, proxy, false).start();
-            }
-        }
-    }
-
-    public static Task loadSkinAsync(YggdrasilAccount account) {
-        return loadSkinAsync(account, Settings.INSTANCE.getProxy());
-    }
-
-    public static Task loadSkinAsync(YggdrasilAccount account, Proxy proxy) {
-        return new SkinLoadTask(account, proxy, false);
-    }
-
-    public static Task refreshSkinAsync(YggdrasilAccount account) {
-        return refreshSkinAsync(account, Settings.INSTANCE.getProxy());
-    }
-
-    public static Task refreshSkinAsync(YggdrasilAccount account, Proxy proxy) {
-        return new SkinLoadTask(account, proxy, true);
-    }
-
-    private static File getSkinFile(UUID uuid) {
-        return new File(SKIN_DIR, uuid + ".png");
-    }
-
-    public static Image getSkin(YggdrasilAccount account) {
-        return getSkin(account, 1);
-    }
-
-    public static Image getSkin(YggdrasilAccount account, double scaleRatio) {
-        UUID uuid = account.getUUID();
-        if (uuid == null)
-            return getSteveSkin(scaleRatio);
-
-        File file = getSkinFile(uuid);
-        if (file.exists()) {
-            Image original = new Image("file:" + file.getAbsolutePath());
-            return new Image("file:" + file.getAbsolutePath(),
-                    original.getWidth() * scaleRatio,
-                    original.getHeight() * scaleRatio,
-                    false, false);
-        }
-        return getDefaultSkin(uuid, scaleRatio);
-    }
-
-    public static Image getSkinImmediately(YggdrasilAccount account, GameProfile profile, double scaleRatio, Proxy proxy) throws Exception {
-        File file = getSkinFile(profile.getId());
-        downloadSkin(account, profile, true, proxy);
-        if (!file.exists())
-            return getDefaultSkin(profile.getId(), scaleRatio);
-
-        String url = "file:" + file.getAbsolutePath();
-        return scale(url, scaleRatio);
-    }
-
-    public static Rectangle2D getViewport(double scaleRatio) {
-        double size = 8.0 * scaleRatio;
-        return new Rectangle2D(size, size, size, size);
-    }
-
-    private static class SkinLoadTask extends Task {
-        private final YggdrasilAccount account;
-        private final Proxy proxy;
-        private final boolean refresh;
-        private final List<Task> dependencies = new LinkedList<>();
-
-        public SkinLoadTask(YggdrasilAccount account, Proxy proxy) {
-            this(account, proxy, false);
-        }
-
-        public SkinLoadTask(YggdrasilAccount account, Proxy proxy, boolean refresh) {
-            this.account = account;
-            this.proxy = proxy;
-            this.refresh = refresh;
-        }
-
-        @Override
-        public Scheduler getScheduler() {
-            return Schedulers.io();
-        }
-
-        @Override
-        public Collection<Task> getDependencies() {
-            return dependencies;
-        }
-
-        @Override
-        public void execute() throws Exception {
-            if (!account.isLoggedIn() && (account.getCharacter() == null || refresh))
-                DialogController.logIn(account);
-
-            downloadSkin(account, refresh, proxy);
-        }
-    }
-
-    private static void downloadSkin(YggdrasilAccount account, GameProfile profile, boolean refresh, Proxy proxy) throws Exception {
-        account.clearCache();
-
-        Optional<Texture> texture = account.getSkin(profile);
-        if (!texture.isPresent()) return;
-        String url = texture.get().getUrl();
-        File file = getSkinFile(profile.getId());
-        if (!refresh && file.exists())
-            return;
-        new FileDownloadTask(NetworkUtils.toURL(url), file, proxy).run();
-    }
-
-    private static void downloadSkin(YggdrasilAccount account, boolean refresh, Proxy proxy) throws Exception {
-        account.clearCache();
-
-        if (account.getCharacter() == null) return;
-        Optional<Texture> texture = account.getSkin();
-        if (!texture.isPresent()) return;
-        String url = texture.get().getUrl();
-        File file = getSkinFile(account.getUUID());
-        if (!refresh && file.exists())
-            return;
-        new FileDownloadTask(NetworkUtils.toURL(url), file, proxy).run();
-    }
-
-    public static Image scale(String url, double scaleRatio) {
-        Image origin = new Image(url);
-        return new Image(url,
-                origin.getWidth() * scaleRatio,
-                origin.getHeight() * scaleRatio,
-                false, false);
-    }
-
-    public static Image getSteveSkin(double scaleRatio) {
-         return scale("/assets/img/steve.png", 4);
-    }
-
-    public static Image getAlexSkin(double scaleRatio) {
-        return scale("/assets/img/alex.png", 4);
-    }
-
-    public static Image getDefaultSkin(UUID uuid, double scaleRatio) {
-        int type = uuid.hashCode() & 1;
-        if (type == 1)
-            return getAlexSkin(scaleRatio);
-        else
-            return getSteveSkin(scaleRatio);
-    }
-}
@@ -0,0 +1,47 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.game;
+
+import javafx.beans.property.SimpleStringProperty;
+import javafx.beans.property.StringProperty;
+import org.jackhuang.hmcl.download.DefaultCacheRepository;
+
+import java.nio.file.Paths;
+
+public class HMCLCacheRepository extends DefaultCacheRepository {
+
+    private final StringProperty directory = new SimpleStringProperty();
+
+    public HMCLCacheRepository() {
+        directory.addListener((a, b, t) -> changeDirectory(Paths.get(t)));
+    }
+
+    public String getDirectory() {
+        return directory.get();
+    }
+
+    public StringProperty directoryProperty() {
+        return directory;
+    }
+
+    public void setDirectory(String directory) {
+        this.directory.set(directory);
+    }
+
+    public static final HMCLCacheRepository REPOSITORY = new HMCLCacheRepository();
+}
@@ -1,47 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.game;
-
-import org.jackhuang.hmcl.download.DefaultDependencyManager;
-import org.jackhuang.hmcl.download.DownloadProvider;
-import org.jackhuang.hmcl.download.GameBuilder;
-import org.jackhuang.hmcl.setting.Profile;
-
-import java.net.Proxy;
-
-/**
- * @author huangyuhui
- */
-public class HMCLDependencyManager extends DefaultDependencyManager {
-    private final Profile profile;
-
-    public HMCLDependencyManager(Profile profile, DownloadProvider downloadProvider) {
-        this(profile, downloadProvider, Proxy.NO_PROXY);
-    }
-
-    public HMCLDependencyManager(Profile profile, DownloadProvider downloadProvider, Proxy proxy) {
-        super(profile.getRepository(), downloadProvider, proxy);
-
-        this.profile = profile;
-    }
-
-    @Override
-    public GameBuilder gameBuilder() {
-        return new HMCLGameBuilder(profile);
-    }
-}
@@ -1,40 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.game;
-
-import org.jackhuang.hmcl.download.DefaultGameBuilder;
-import org.jackhuang.hmcl.setting.Profile;
-import org.jackhuang.hmcl.task.Task;
-
-/**
- * @author huangyuhui
- */
-public class HMCLGameBuilder extends DefaultGameBuilder {
-    private final Profile profile;
-
-    public HMCLGameBuilder(Profile profile) {
-        super(profile.getDependency());
-
-        this.profile = profile;
-    }
-
-    @Override
-    protected Task downloadGameAsync(String gameVersion, Version version) {
-        return new HMCLGameDownloadTask(profile, gameVersion, version);
-    }
-}
@@ -1,78 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.game;
-
-import org.jackhuang.hmcl.setting.Profile;
-import org.jackhuang.hmcl.setting.Settings;
-import org.jackhuang.hmcl.task.FileDownloadTask;
-import org.jackhuang.hmcl.task.FileDownloadTask.IntegrityCheck;
-import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.FileUtils;
-import org.jackhuang.hmcl.util.Logging;
-import org.jackhuang.hmcl.util.NetworkUtils;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.logging.Level;
-
-/**
- * @author huangyuhui
- */
-public class HMCLGameDownloadTask extends Task {
-    private final Profile profile;
-    private final String gameVersion;
-    private final Version version;
-    private final List<Task> dependencies = new LinkedList<>();
-
-    public HMCLGameDownloadTask(Profile profile, String gameVersion, Version version) {
-        this.profile = profile;
-        this.gameVersion = gameVersion;
-        this.version = version;
-
-        setSignificance(TaskSignificance.MINOR);
-    }
-
-    @Override
-    public List<Task> getDependencies() {
-        return dependencies;
-    }
-
-    @Override
-    public void execute() {
-        File jar = profile.getRepository().getVersionJar(version);
-
-        File cache = new File(Settings.INSTANCE.getCommonPath(), "jars/" + gameVersion + ".jar");
-        if (cache.exists())
-            try {
-                FileUtils.copyFile(cache, jar);
-                return;
-            } catch (IOException e) {
-                Logging.LOG.log(Level.SEVERE, "Unable to copy cached Minecraft jar from " + cache + " to " + jar, e);
-            }
-
-        dependencies.add(new FileDownloadTask(
-                NetworkUtils.toURL(profile.getDependency().getDownloadProvider().injectURL(version.getDownloadInfo().getUrl())),
-                cache,
-                profile.getDependency().getProxy(),
-                new IntegrityCheck("SHA-1", version.getDownloadInfo().getSha1())
-        ).then(Task.of(v -> FileUtils.copyFile(cache, jar))));
-    }
-
-}
@@ -1,7 +1,7 @@
 /*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
@@ -13,39 +13,118 @@
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 package org.jackhuang.hmcl.game;

-import org.jackhuang.hmcl.Launcher;
+import org.jackhuang.hmcl.Metadata;
 import org.jackhuang.hmcl.auth.AuthInfo;
 import org.jackhuang.hmcl.launch.DefaultLauncher;
 import org.jackhuang.hmcl.launch.ProcessListener;
+import org.jackhuang.hmcl.util.Logging;
+import org.jackhuang.hmcl.util.i18n.I18n;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.platform.ManagedProcess;
+import org.jackhuang.hmcl.util.versioning.VersionNumber;

-import java.util.List;
+import java.io.File;
+import java.io.IOException;
+import java.util.Locale;
+import java.util.Map;
+import java.util.logging.Level;

 /**
 * @author huangyuhui
 */
 public final class HMCLGameLauncher extends DefaultLauncher {

-    public HMCLGameLauncher(GameRepository repository, String versionId, AuthInfo authInfo, LaunchOptions options) {
-        this(repository, versionId, authInfo, options, null);
+    public HMCLGameLauncher(GameRepository repository, Version version, AuthInfo authInfo, LaunchOptions options) {
+        this(repository, version, authInfo, options, null);
    }

-    public HMCLGameLauncher(GameRepository repository, String versionId, AuthInfo authInfo, LaunchOptions options, ProcessListener listener) {
-        this(repository, versionId, authInfo, options, listener, true);
+    public HMCLGameLauncher(GameRepository repository, Version version, AuthInfo authInfo, LaunchOptions options, ProcessListener listener) {
+        this(repository, version, authInfo, options, listener, true);
    }

-    public HMCLGameLauncher(GameRepository repository, String versionId, AuthInfo authInfo, LaunchOptions options, ProcessListener listener, boolean daemon) {
-        super(repository, versionId, authInfo, options, listener, daemon);
+    public HMCLGameLauncher(GameRepository repository, Version version, AuthInfo authInfo, LaunchOptions options, ProcessListener listener, boolean daemon) {
+        super(repository, version, authInfo, options, listener, daemon);
    }

    @Override
-    protected void appendJvmArgs(List<String> result) {
-        super.appendJvmArgs(result);
+    protected Map<String, String> getConfigurations() {
+        Map<String, String> res = super.getConfigurations();
+        res.put("${launcher_name}", Metadata.NAME);
+        res.put("${launcher_version}", Metadata.VERSION);
+        return res;
+    }

-        result.add("-Dminecraft.launcher.version=" + Launcher.VERSION);
-        result.add("-Dminecraft.launcher.brand=" + Launcher.NAME);
+    private void generateOptionsTxt() {
+        File optionsFile = new File(repository.getRunDirectory(version.getId()), "options.txt");
+        File configFolder = new File(repository.getRunDirectory(version.getId()), "config");
+
+        if (optionsFile.exists()) {
+            return;
+        }
+
+        if (configFolder.isDirectory()) {
+            if (findFiles(configFolder, "options.txt")) {
+                return;
+            }
+        }
+
+        if (I18n.getCurrentLocale().getLocale() != Locale.CHINA) {
+            return;
+        }
+
+        String lang;
+        /*
+            1.0-     ：没有语言选项，遇到这些版本时不设置
+            1.1 ~ 5  ：zh_CN 时正常，zh_cn 时崩溃（最后两位字母必须大写，否则将会 NPE 崩溃）
+            1.6 ~ 10 ：zh_CN 时正常，zh_cn 时自动切换为英文
+            1.11 ~ 12：zh_cn 时正常，zh_CN 时虽然显示了中文但语言设置会错误地显示选择英文
+            1.13+    ：zh_cn 时正常，zh_CN 时自动切换为英文
+         */
+        VersionNumber gameVersion = VersionNumber.asVersion(repository.getGameVersion(version).orElse("0.0"));
+        if (gameVersion.compareTo("1.1") < 0) {
+            lang = null;
+        } else if (gameVersion.compareTo("1.11") < 0) {
+            lang = "zh_CN";
+        } else {
+            lang = "zh_cn";
+        }
+
+        if (lang != null) {
+            try {
+                FileUtils.writeText(optionsFile, String.format("lang:%s\n", lang));
+            } catch (IOException e) {
+                Logging.LOG.log(Level.WARNING, "Unable to generate options.txt", e);
+            }
+        }
+    }
+
+    private boolean findFiles(File folder, String fileName) {
+        File[] fs = folder.listFiles();
+        if (fs != null) {
+            for (File f : fs) {
+                if (f.isDirectory())
+                    if (f.listFiles((dir, name) -> name.equals(fileName)) != null)
+                        return true;
+                if (f.getName().equals(fileName))
+                    return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public ManagedProcess launch() throws IOException, InterruptedException {
+        generateOptionsTxt();
+        return super.launch();
+    }
+
+    @Override
+    public void makeLaunchScript(File scriptFile) throws IOException {
+        generateOptionsTxt();
+        super.makeLaunchScript(scriptFile);
    }
 }
@@ -1,7 +1,7 @@
 /*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2021  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
@@ -13,33 +13,58 @@
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 package org.jackhuang.hmcl.game;

 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
-import org.jackhuang.hmcl.event.EventBus;
-import org.jackhuang.hmcl.event.RefreshedVersionsEvent;
-import org.jackhuang.hmcl.event.RefreshingVersionsEvent;
-import org.jackhuang.hmcl.setting.EnumGameDirectory;
+import com.google.gson.JsonParseException;
+import javafx.scene.image.Image;
+import org.jackhuang.hmcl.Metadata;
+import org.jackhuang.hmcl.download.LibraryAnalyzer;
+import org.jackhuang.hmcl.event.Event;
+import org.jackhuang.hmcl.event.EventManager;
+import org.jackhuang.hmcl.mod.ModAdviser;
+import org.jackhuang.hmcl.mod.Modpack;
+import org.jackhuang.hmcl.mod.ModpackConfiguration;
+import org.jackhuang.hmcl.mod.ModpackProvider;
 import org.jackhuang.hmcl.setting.Profile;
-import org.jackhuang.hmcl.setting.Settings;
+import org.jackhuang.hmcl.setting.ProxyManager;
+import org.jackhuang.hmcl.setting.VersionIconType;
 import org.jackhuang.hmcl.setting.VersionSetting;
-import org.jackhuang.hmcl.util.FileUtils;
-import org.jackhuang.hmcl.util.Logging;
+import org.jackhuang.hmcl.util.Lang;
+import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.platform.JavaVersion;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;
+import org.jackhuang.hmcl.util.versioning.VersionNumber;
+import org.jetbrains.annotations.Nullable;

 import java.io.File;
+import java.io.FileInputStream;
 import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.*;
 import java.util.logging.Level;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static org.jackhuang.hmcl.setting.ConfigHolder.config;
+import static org.jackhuang.hmcl.util.Logging.LOG;
+import static org.jackhuang.hmcl.util.Pair.pair;

 public class HMCLGameRepository extends DefaultGameRepository {
    private final Profile profile;
-    private final Map<String, VersionSetting> versionSettings = new HashMap<>();
+
+    // local version settings
+    private final Map<String, VersionSetting> localVersionSettings = new HashMap<>();
    private final Set<String> beingModpackVersions = new HashSet<>();

-    public boolean checkedModpack = false, checkingModpack = false;
+    public final EventManager<Event> onVersionIconChanged = new EventManager<>();

    public HMCLGameRepository(Profile profile, File baseDirectory) {
        super(baseDirectory);
@@ -50,65 +75,59 @@ public class HMCLGameRepository extends DefaultGameRepository {
        return profile;
    }

-    private boolean useSelf(String version, String assetId) {
-        VersionSetting vs = profile.getVersionSetting(version);
-        return new File(getBaseDirectory(), "assets/indexes/" + assetId + ".json").exists() || vs.isNoCommon();
-    }
-
    @Override
-    public File getAssetDirectory(String version, String assetId) {
-        if (useSelf(version, assetId))
-            return super.getAssetDirectory(version, assetId);
-        else
-            return new File(Settings.INSTANCE.getCommonPath(), "assets");
-    }
-
-    @Override
-    public File getRunDirectory(String id) {
-        if (beingModpackVersions.contains(id) || isModpack(id))
-            return getVersionRoot(id);
-        else {
-            VersionSetting vs = profile.getVersionSetting(id);
-            switch (vs.getGameDirType()) {
-                case VERSION_FOLDER: return getVersionRoot(id);
-                case ROOT_FOLDER: return super.getRunDirectory(id);
-                case CUSTOM: return new File(vs.getGameDir());
-                default: throw new Error();
-            }
+    public GameDirectoryType getGameDirectoryType(String id) {
+        if (beingModpackVersions.contains(id) || isModpack(id)) {
+            return GameDirectoryType.VERSION_FOLDER;
+        } else {
+            return getVersionSetting(id).getGameDirType();
        }
    }

    @Override
-    public File getLibraryFile(Version version, Library lib) {
-        VersionSetting vs = profile.getVersionSetting(version.getId());
-        File self = super.getLibraryFile(version, lib);
-        if (self.exists() || vs.isNoCommon())
-            return self;
-        else
-            return new File(Settings.INSTANCE.getCommonPath(), "libraries/" + lib.getPath());
+    public File getRunDirectory(String id) {
+        switch (getGameDirectoryType(id)) {
+            case VERSION_FOLDER:
+                return getVersionRoot(id);
+            case ROOT_FOLDER:
+                return super.getRunDirectory(id);
+            case CUSTOM:
+                File dir = new File(getVersionSetting(id).getGameDir());
+                if (!FileUtils.isValidPath(dir)) return getVersionRoot(id);
+                return dir;
+            default:
+                throw new Error();
+        }
    }

+    public Stream<Version> getDisplayVersions() {
+        return getVersions().stream()
+                .filter(v -> !v.isHidden())
+                .sorted(Comparator.comparing((Version v) -> v.getReleaseTime() == null ? new Date(0L) : v.getReleaseTime())
+                        .thenComparing(v -> VersionNumber.asVersion(v.getId())));
+    }

    @Override
    protected void refreshVersionsImpl() {
-        versionSettings.clear();
+        localVersionSettings.clear();
        super.refreshVersionsImpl();
-        versions.keySet().forEach(this::loadVersionSetting);
+        versions.keySet().forEach(this::loadLocalVersionSetting);
+        versions.keySet().forEach(version -> {
+            if (isModpack(version)) {
+                specializeVersionSetting(version);
+            }
+        });

        try {
            File file = new File(getBaseDirectory(), "launcher_profiles.json");
            if (!file.exists() && !versions.isEmpty())
                FileUtils.writeText(file, PROFILE);
        } catch (IOException ex) {
-            Logging.LOG.log(Level.WARNING, "Unable to create launcher_profiles.json, Forge/LiteLoader installer will not work.", ex);
+            LOG.log(Level.WARNING, "Unable to create launcher_profiles.json, Forge/LiteLoader installer will not work.", ex);
        }
-    }

-    @Override
-    public void refreshVersions() {
-        EventBus.EVENT_BUS.fireEvent(new RefreshingVersionsEvent(this));
-        refreshVersionsImpl();
-        EventBus.EVENT_BUS.fireEvent(new RefreshedVersionsEvent(this));
+        // https://github.com/HMCL-dev/HMCL/issues/938
+        System.gc();
    }

    public void changeDirectory(File newDirectory) {
@@ -116,19 +135,70 @@ public class HMCLGameRepository extends DefaultGameRepository {
        refreshVersionsAsync().start();
    }

-    private File getVersionSettingFile(String id) {
+    private void clean(File directory) throws IOException {
+        FileUtils.deleteDirectory(new File(directory, "crash-reports"));
+        FileUtils.deleteDirectory(new File(directory, "logs"));
+    }
+
+    public void clean(String id) throws IOException {
+        clean(getBaseDirectory());
+        clean(getRunDirectory(id));
+    }
+
+    public void duplicateVersion(String srcId, String dstId, boolean copySaves) throws IOException {
+        Path srcDir = getVersionRoot(srcId).toPath();
+        Path dstDir = getVersionRoot(dstId).toPath();
+
+        Version fromVersion = getVersion(srcId);
+
+        if (Files.exists(dstDir)) throw new IOException("Version exists");
+        FileUtils.copyDirectory(srcDir, dstDir);
+
+        Path fromJson = dstDir.resolve(srcId + ".json");
+        Path fromJar = dstDir.resolve(srcId + ".jar");
+        Path toJson = dstDir.resolve(dstId + ".json");
+        Path toJar = dstDir.resolve(dstId + ".jar");
+
+        if (Files.exists(fromJar)) {
+            Files.move(fromJar, toJar);
+        }
+        Files.move(fromJson, toJson);
+
+        FileUtils.writeText(toJson.toFile(), JsonUtils.GSON.toJson(fromVersion.setId(dstId)));
+
+        VersionSetting oldVersionSetting = getVersionSetting(srcId).clone();
+        GameDirectoryType originalGameDirType = oldVersionSetting.getGameDirType();
+        oldVersionSetting.setUsesGlobal(false);
+        oldVersionSetting.setGameDirType(GameDirectoryType.VERSION_FOLDER);
+        VersionSetting newVersionSetting = initLocalVersionSetting(dstId, oldVersionSetting);
+        saveVersionSetting(dstId);
+
+        File srcGameDir = getRunDirectory(srcId);
+        File dstGameDir = getRunDirectory(dstId);
+
+        List<String> blackList = new ArrayList<>(ModAdviser.MODPACK_BLACK_LIST);
+        blackList.add(srcId + ".jar");
+        blackList.add(srcId + ".json");
+        if (!copySaves)
+            blackList.add("saves");
+
+        if (originalGameDirType != GameDirectoryType.VERSION_FOLDER)
+            FileUtils.copyDirectory(srcGameDir.toPath(), dstGameDir.toPath(), path -> Modpack.acceptFile(path, blackList, null));
+    }
+
+    private File getLocalVersionSettingFile(String id) {
        return new File(getVersionRoot(id), "hmclversion.cfg");
    }

-    private void loadVersionSetting(String id) {
-        File file = getVersionSettingFile(id);
+    private void loadLocalVersionSetting(String id) {
+        File file = getLocalVersionSettingFile(id);
        if (file.exists())
            try {
                VersionSetting versionSetting = GSON.fromJson(FileUtils.readText(file), VersionSetting.class);
-                initVersionSetting(id, versionSetting);
+                initLocalVersionSetting(id, versionSetting);
            } catch (Exception ex) {
                // If [JsonParseException], [IOException] or [NullPointerException] happens, the json file is malformed and needed to be recreated.
-                initVersionSetting(id, new VersionSetting());
+                initLocalVersionSetting(id, new VersionSetting());
            }
    }

@@ -137,18 +207,18 @@ public class HMCLGameRepository extends DefaultGameRepository {
     * @param id the version id.
     * @return new version setting, null if given version does not exist.
     */
-    public VersionSetting createVersionSetting(String id) {
+    public VersionSetting createLocalVersionSetting(String id) {
        if (!hasVersion(id))
            return null;
-        if (versionSettings.containsKey(id))
-            return getVersionSetting(id);
+        if (localVersionSettings.containsKey(id))
+            return getLocalVersionSetting(id);
        else
-            return initVersionSetting(id, new VersionSetting());
+            return initLocalVersionSetting(id, new VersionSetting());
    }

-    private VersionSetting initVersionSetting(String id, VersionSetting vs) {
+    private VersionSetting initLocalVersionSetting(String id, VersionSetting vs) {
+        localVersionSettings.put(id, vs);
        vs.addPropertyChangedListener(a -> saveVersionSetting(id));
-        versionSettings.put(id, vs);
        return vs;
    }

@@ -157,39 +227,188 @@ public class HMCLGameRepository extends DefaultGameRepository {
     *
     * @param id version id
     *
-     * @return may return null if the id not exists
+     * @return corresponding version setting, null if the version has no its own version setting.
     */
-    public VersionSetting getVersionSetting(String id) {
-        if (!versionSettings.containsKey(id))
-            loadVersionSetting(id);
-        VersionSetting setting = versionSettings.get(id);
+    @Nullable
+    public VersionSetting getLocalVersionSetting(String id) {
+        if (!localVersionSettings.containsKey(id))
+            loadLocalVersionSetting(id);
+        VersionSetting setting = localVersionSettings.get(id);
        if (setting != null && isModpack(id))
-            setting.setGameDirType(EnumGameDirectory.VERSION_FOLDER);
+            setting.setGameDirType(GameDirectoryType.VERSION_FOLDER);
        return setting;
    }

-    public File getVersionIcon(String id) {
+    @Nullable
+    public VersionSetting getLocalVersionSettingOrCreate(String id) {
+        VersionSetting vs = getLocalVersionSetting(id);
+        if (vs == null) {
+            vs = createLocalVersionSetting(id);
+        }
+        return vs;
+    }
+
+    public VersionSetting getVersionSetting(String id) {
+        VersionSetting vs = getLocalVersionSetting(id);
+        if (vs == null || vs.isUsesGlobal()) {
+            profile.getGlobal().setGlobal(true); // always keep global.isGlobal = true
+            profile.getGlobal().setUsesGlobal(true);
+            return profile.getGlobal();
+        } else
+            return vs;
+    }
+
+    public File getVersionIconFile(String id) {
        return new File(getVersionRoot(id), "icon.png");
    }

+    public Image getVersionIconImage(String id) {
+        if (id == null || !isLoaded())
+            return VersionIconType.DEFAULT.getIcon();
+
+        VersionSetting vs = getLocalVersionSettingOrCreate(id);
+        VersionIconType iconType = vs != null ? Lang.requireNonNullElse(vs.getVersionIcon(), VersionIconType.DEFAULT) : VersionIconType.DEFAULT;
+
+        if (iconType == VersionIconType.DEFAULT) {
+            Version version = getVersion(id).resolve(this);
+            File iconFile = getVersionIconFile(id);
+            if (iconFile.exists()) {
+                try (InputStream inputStream = new FileInputStream(iconFile)) {
+                    return new Image(inputStream);
+                } catch (IOException e) {
+                    LOG.log(Level.WARNING, "Failed to load version icon of " + id, e);
+                }
+            }
+
+            if (LibraryAnalyzer.isModded(this, version)) {
+                LibraryAnalyzer libraryAnalyzer = LibraryAnalyzer.analyze(version);
+                if (libraryAnalyzer.has(LibraryAnalyzer.LibraryType.FABRIC))
+                    return VersionIconType.FABRIC.getIcon();
+                else if (libraryAnalyzer.has(LibraryAnalyzer.LibraryType.FORGE))
+                    return VersionIconType.FORGE.getIcon();
+                else if (libraryAnalyzer.has(LibraryAnalyzer.LibraryType.NEO_FORGE))
+                    return VersionIconType.NEO_FORGE.getIcon();
+                else if (libraryAnalyzer.has(LibraryAnalyzer.LibraryType.QUILT))
+                    return VersionIconType.QUILT.getIcon();
+                else if (libraryAnalyzer.has(LibraryAnalyzer.LibraryType.OPTIFINE))
+                    return VersionIconType.OPTIFINE.getIcon();
+                else if (libraryAnalyzer.has(LibraryAnalyzer.LibraryType.LITELOADER))
+                    return VersionIconType.CHICKEN.getIcon();
+                else
+                    return VersionIconType.FURNACE.getIcon();
+            }
+
+            return VersionIconType.DEFAULT.getIcon();
+        } else {
+            return iconType.getIcon();
+        }
+    }
+
    public boolean saveVersionSetting(String id) {
-        if (!versionSettings.containsKey(id))
+        if (!localVersionSettings.containsKey(id))
            return false;
-        File file = getVersionSettingFile(id);
+        File file = getLocalVersionSettingFile(id);
        if (!FileUtils.makeDirectory(file.getAbsoluteFile().getParentFile()))
            return false;

        try {
-            FileUtils.writeText(file, GSON.toJson(versionSettings.get(id)));
+            FileUtils.writeText(file, GSON.toJson(localVersionSettings.get(id)));
            return true;
        } catch (IOException e) {
-            Logging.LOG.log(Level.SEVERE, "Unable to save version setting of " + id, e);
+            LOG.log(Level.SEVERE, "Unable to save version setting of " + id, e);
            return false;
        }
    }

-    public boolean forbidsVersion(String id) {
-        return FORBIDDEN.contains(id);
+    /**
+     * Make version use self version settings instead of the global one.
+     * @param id the version id.
+     * @return specialized version setting, null if given version does not exist.
+     */
+    public VersionSetting specializeVersionSetting(String id) {
+        VersionSetting vs = getLocalVersionSetting(id);
+        if (vs == null)
+            vs = createLocalVersionSetting(id);
+        if (vs == null)
+            return null;
+        vs.setUsesGlobal(false);
+        return vs;
+    }
+
+    public void globalizeVersionSetting(String id) {
+        VersionSetting vs = getLocalVersionSetting(id);
+        if (vs != null)
+            vs.setUsesGlobal(true);
+    }
+
+    public LaunchOptions getLaunchOptions(String version, JavaVersion javaVersion, File gameDir, List<String> javaAgents, boolean makeLaunchScript) {
+        VersionSetting vs = getVersionSetting(version);
+
+        LaunchOptions.Builder builder = new LaunchOptions.Builder()
+                .setGameDir(gameDir)
+                .setJava(javaVersion)
+                .setVersionType(Metadata.TITLE)
+                .setVersionName(version)
+                .setProfileName(Metadata.TITLE)
+                .setGameArguments(StringUtils.tokenize(vs.getMinecraftArgs()))
+                .setOverrideJavaArguments(StringUtils.tokenize(vs.getJavaArgs()))
+                .setMaxMemory(vs.isNoJVMArgs() && vs.isAutoMemory() ? null : (int)(getAllocatedMemory(
+                        vs.getMaxMemory() * 1024L * 1024L,
+                        OperatingSystem.getPhysicalMemoryStatus().orElse(OperatingSystem.PhysicalMemoryStatus.INVALID).getAvailable(),
+                        vs.isAutoMemory()
+                ) / 1024 / 1024))
+                .setMinMemory(vs.getMinMemory())
+                .setMetaspace(Lang.toIntOrNull(vs.getPermSize()))
+                .setEnvironmentVariables(
+                        Lang.mapOf(StringUtils.tokenize(vs.getEnvironmentVariables())
+                                .stream()
+                                .map(it -> {
+                                    int idx = it.indexOf('=');
+                                    return idx >= 0 ? pair(it.substring(0, idx), it.substring(idx + 1)) : pair(it, "");
+                                })
+                                .collect(Collectors.toList())
+                        )
+                )
+                .setWidth(vs.getWidth())
+                .setHeight(vs.getHeight())
+                .setFullscreen(vs.isFullscreen())
+                .setServerIp(vs.getServerIp())
+                .setWrapper(vs.getWrapper())
+                .setPreLaunchCommand(vs.getPreLaunchCommand())
+                .setPostExitCommand(vs.getPostExitCommand())
+                .setNoGeneratedJVMArgs(vs.isNoJVMArgs())
+                .setNativesDirType(vs.getNativesDirType())
+                .setNativesDir(vs.getNativesDir())
+                .setProcessPriority(vs.getProcessPriority())
+                .setRenderer(vs.getRenderer())
+                .setUseNativeGLFW(vs.isUseNativeGLFW())
+                .setUseNativeOpenAL(vs.isUseNativeOpenAL())
+                .setDaemon(!makeLaunchScript && vs.getLauncherVisibility().isDaemon())
+                .setJavaAgents(javaAgents);
+        if (config().hasProxy()) {
+            builder.setProxy(ProxyManager.getProxy());
+            if (config().hasProxyAuth()) {
+                builder.setProxyUser(config().getProxyUser());
+                builder.setProxyPass(config().getProxyPass());
+            }
+        }
+
+        File json = getModpackConfiguration(version);
+        if (json.exists()) {
+            try {
+                String jsonText = FileUtils.readText(json);
+                ModpackConfiguration<?> modpackConfiguration = JsonUtils.GSON.fromJson(jsonText, ModpackConfiguration.class);
+                ModpackProvider provider = ModpackHelper.getProviderByType(modpackConfiguration.getType());
+                if (provider != null) provider.injectLaunchOptions(jsonText, builder);
+            } catch (IOException | JsonParseException e) {
+                e.printStackTrace();
+            }
+        }
+
+        if (vs.isAutoMemory() && builder.getJavaArguments().stream().anyMatch(it -> it.startsWith("-Xmx")))
+            builder.setMaxMemory(null);
+
+        return builder.create();
    }

    @Override
@@ -205,11 +424,74 @@ public class HMCLGameRepository extends DefaultGameRepository {
        beingModpackVersions.remove(id);
    }

-    private static final Gson GSON = new GsonBuilder().setPrettyPrinting()
-            .registerTypeAdapter(VersionSetting.class, VersionSetting.Serializer.INSTANCE)
+    public void markVersionLaunchedAbnormally(String id) {
+        try {
+            Files.createFile(getVersionRoot(id).toPath().resolve(".abnormal"));
+        } catch (IOException ignored) {
+        }
+    }
+
+    public boolean unmarkVersionLaunchedAbnormally(String id) {
+        File file = new File(getVersionRoot(id), ".abnormal");
+        boolean result = file.isFile();
+        file.delete();
+        return result;
+    }
+
+    private static final Gson GSON = new GsonBuilder()
+            .setPrettyPrinting()
            .create();

-    private static final HashSet<String> FORBIDDEN = new HashSet<>(Arrays.asList("modpack", "minecraftinstance", "manifest"));
-
    private static final String PROFILE = "{\"selectedProfile\": \"(Default)\",\"profiles\": {\"(Default)\": {\"name\": \"(Default)\"}},\"clientToken\": \"88888888-8888-8888-8888-888888888888\"}";
+
+
+    // These version ids are forbidden because they may conflict with modpack configuration filenames
+    private static final Set<String> FORBIDDEN_VERSION_IDS = new HashSet<>(Arrays.asList(
+            "modpack", "minecraftinstance", "manifest"));
+
+    public static boolean isValidVersionId(String id) {
+        if (FORBIDDEN_VERSION_IDS.contains(id))
+            return false;
+
+        if (OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS &&
+                FORBIDDEN_VERSION_IDS.contains(id.toLowerCase(Locale.ROOT)))
+            return false;
+
+        return OperatingSystem.isNameValid(id);
+    }
+
+    /**
+     * Returns true if the given version id conflicts with an existing version.
+     */
+    public boolean versionIdConflicts(String id) {
+        if (OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS) {
+            // on Windows, filenames are case-insensitive
+            for (String existingId : versions.keySet()) {
+                if (existingId.equalsIgnoreCase(id)) {
+                    return true;
+                }
+            }
+            return false;
+        } else {
+            return versions.containsKey(id);
+        }
+    }
+
+    public static long getAllocatedMemory(long minimum, long available, boolean auto) {
+        if (auto) {
+            available -= 384 * 1024 * 1024; // Reserve 384MiB memory for off-heap memory and HMCL itself
+            if (available <= 0) {
+                return minimum;
+            }
+
+            final long threshold = 8L * 1024 * 1024 * 1024;
+            final long suggested = Math.min(available <= threshold
+                            ? (long) (available * 0.8)
+                            : (long) (threshold * 0.8 + (available - threshold) * 0.2),
+                    16384L * 1024 * 1024);
+            return Math.max(minimum, suggested);
+        } else {
+            return minimum;
+        }
+    }
 }
@@ -1,97 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.game;
-
-
-import org.jackhuang.hmcl.mod.Modpack;
-import org.jackhuang.hmcl.task.TaskResult;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.Logging;
-import org.jackhuang.hmcl.util.ZipEngine;
-
-import java.io.File;
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * Export the game to a mod pack file.
- */
-public class HMCLModpackExportTask extends TaskResult<ZipEngine> {
-    private final DefaultGameRepository repository;
-    private final String version;
-    private final List<String> whitelist;
-    private final Modpack modpack;
-    private final File output;
-    private final String id;
-
-    public HMCLModpackExportTask(DefaultGameRepository repository, String version, List<String> whitelist, Modpack modpack, File output) {
-        this(repository, version, whitelist, modpack, output, ID);
-    }
-
-    /**
-     * @param output  mod pack file.
-     * @param version to locate version.json
-     */
-    public HMCLModpackExportTask(DefaultGameRepository repository, String version, List<String> whitelist, Modpack modpack, File output, String id) {
-        this.repository = repository;
-        this.version = version;
-        this.whitelist = whitelist;
-        this.modpack = modpack;
-        this.output = output;
-        this.id = id;
-
-        onDone().register(event -> {
-            if (event.isFailed()) output.delete();
-        });
-    }
-
-    @Override
-    public String getId() {
-        return id;
-    }
-
-    @Override
-    public void execute() throws Exception {
-        ArrayList<String> blackList = new ArrayList<>(HMCLModpackManager.MODPACK_BLACK_LIST);
-        blackList.add(version + ".jar");
-        blackList.add(version + ".json");
-        Logging.LOG.info("Compressing game files without some files in blacklist, including files or directories: usernamecache.json, asm, logs, backups, versions, assets, usercache.json, libraries, crash-reports, launcher_profiles.json, NVIDIA, TCNodeTracker");
-        try (ZipEngine zip = new ZipEngine(output)) {
-            zip.putDirectory(repository.getRunDirectory(version), (String pathName, Boolean isDirectory) -> {
-                for (String s : blackList)
-                    if (isDirectory) {
-                        if (pathName.startsWith(s + "/"))
-                            return null;
-                    } else if (pathName.equals(s))
-                        return null;
-                for (String s : whitelist)
-                    if (pathName.equals(s + (isDirectory ? "/" : "")))
-                        return "minecraft/" + pathName;
-                return null;
-            });
-
-            Version mv = repository.getResolvedVersion(version);
-            String gameVersion = GameVersion.minecraftVersion(repository.getVersionJar(version))
-                    .orElseThrow(() ->  new IllegalStateException("Cannot parse the version of " + version));
-            zip.putTextFile(Constants.GSON.toJson(mv.setJar(gameVersion)), "minecraft/pack.json"); // Making "jar" to gameVersion is to be compatible with old HMCL.
-            zip.putTextFile(Constants.GSON.toJson(modpack.setGameVersion(gameVersion)), "modpack.json"); // Newer HMCL only reads 'gameVersion' field.
-        }
-    }
-
-    public static final String ID = "zip_engine";
-}
@@ -1,7 +1,7 @@
 /*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
@@ -13,40 +13,41 @@
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 package org.jackhuang.hmcl.game;

 import com.google.gson.JsonParseException;
 import com.google.gson.reflect.TypeToken;
-import org.jackhuang.hmcl.download.DependencyManager;
-import org.jackhuang.hmcl.download.game.VersionJsonSaveTask;
+import org.jackhuang.hmcl.download.DefaultDependencyManager;
+import org.jackhuang.hmcl.download.LibraryAnalyzer;
 import org.jackhuang.hmcl.mod.MinecraftInstanceTask;
 import org.jackhuang.hmcl.mod.Modpack;
 import org.jackhuang.hmcl.mod.ModpackConfiguration;
 import org.jackhuang.hmcl.mod.ModpackInstallTask;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.CompressingUtils;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.FileUtils;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.CompressingUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;

 import java.io.File;
 import java.io.IOException;
-import java.util.LinkedList;
+import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
-import java.util.Objects;

-public final class HMCLModpackInstallTask extends Task {
+public final class HMCLModpackInstallTask extends Task<Void> {
    private final File zipFile;
    private final String name;
    private final HMCLGameRepository repository;
+    private final DefaultDependencyManager dependency;
    private final Modpack modpack;
-    private final List<Task> dependencies = new LinkedList<>();
-    private final List<Task> dependents = new LinkedList<>();
+    private final List<Task<?>> dependencies = new ArrayList<>(1);
+    private final List<Task<?>> dependents = new ArrayList<>(4);

    public HMCLModpackInstallTask(Profile profile, File zipFile, Modpack modpack, String name) {
-        DependencyManager dependency = profile.getDependency();
+        dependency = profile.getDependency();
        repository = profile.getRepository();
        this.zipFile = zipFile;
        this.name = name;
@@ -66,34 +67,42 @@ public final class HMCLModpackInstallTask extends Task {
        ModpackConfiguration<Modpack> config = null;
        try {
            if (json.exists()) {
-                config = Constants.GSON.fromJson(FileUtils.readText(json), new TypeToken<ModpackConfiguration<Modpack>>() {
+                config = JsonUtils.GSON.fromJson(FileUtils.readText(json), new TypeToken<ModpackConfiguration<Modpack>>() {
                }.getType());

-                if (!MODPACK_TYPE.equals(config.getType()))
+                if (!HMCLModpackProvider.INSTANCE.getName().equals(config.getType()))
                    throw new IllegalArgumentException("Version " + name + " is not a HMCL modpack. Cannot update this version.");
            }
        } catch (JsonParseException | IOException ignore) {
        }
-        dependents.add(new ModpackInstallTask<>(zipFile, run, "minecraft/", it -> !Objects.equals(it, "minecraft/pack.json"), config));
+        dependents.add(new ModpackInstallTask<>(zipFile, run, modpack.getEncoding(), Collections.singletonList("/minecraft"), it -> !"pack.json".equals(it), config));
+        dependents.add(new MinecraftInstanceTask<>(zipFile, modpack.getEncoding(), Collections.singletonList("/minecraft"), modpack, HMCLModpackProvider.INSTANCE, modpack.getName(), modpack.getVersion(), repository.getModpackConfiguration(name)).withStage("hmcl.modpack"));
    }

    @Override
-    public List<Task> getDependencies() {
+    public List<Task<?>> getDependencies() {
        return dependencies;
    }

    @Override
-    public List<Task> getDependents() {
+    public List<Task<?>> getDependents() {
        return dependents;
    }

    @Override
    public void execute() throws Exception {
        String json = CompressingUtils.readTextZipEntry(zipFile, "minecraft/pack.json");
-        Version version = Constants.GSON.fromJson(json, Version.class).setJar(null);
-        dependencies.add(new VersionJsonSaveTask(repository, version));
-        dependencies.add(new MinecraftInstanceTask<>(zipFile, "minecraft/", modpack, MODPACK_TYPE, repository.getModpackConfiguration(name)));
-    }
+        Version originalVersion = JsonUtils.GSON.fromJson(json, Version.class).setId(name).setJar(null);
+        LibraryAnalyzer analyzer = LibraryAnalyzer.analyze(originalVersion);
+        Task<Version> libraryTask = Task.supplyAsync(() -> originalVersion);
+        // reinstall libraries
+        // libraries of Forge and OptiFine should be obtained by installation.
+        for (LibraryAnalyzer.LibraryMark mark : analyzer) {
+            if (LibraryAnalyzer.LibraryType.MINECRAFT.getPatchId().equals(mark.getLibraryId()))
+                continue;
+            libraryTask = libraryTask.thenComposeAsync(version -> dependency.installLibraryAsync(modpack.getGameVersion(), version, mark.getLibraryId(), mark.getLibraryVersion()));
+        }

-    public static final String MODPACK_TYPE = "HMCL";
+        dependencies.add(libraryTask.thenComposeAsync(repository::saveAsync));
+    }
 }
@@ -1,95 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.game;
-
-import com.google.gson.JsonParseException;
-import org.jackhuang.hmcl.mod.Modpack;
-import org.jackhuang.hmcl.util.CompressingUtils;
-import org.jackhuang.hmcl.util.JsonUtils;
-import org.jackhuang.hmcl.util.Lang;
-import org.jackhuang.hmcl.util.StringUtils;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.List;
-
-/**
- * @author huangyuhui
- */
-public final class HMCLModpackManager {
-
-    public static final List<String> MODPACK_BLACK_LIST = Lang.immutableListOf(
-            "usernamecache.json", "usercache.json", // Minecraft
-            "launcher_profiles.json", "launcher.pack.lzma", // Minecraft Launcher
-            "pack.json", "launcher.jar", "hmclmc.log", // HMCL
-            "manifest.json", "minecraftinstance.json", ".curseclient", // Curse
-            "minetweaker.log", // Mods
-            "logs", "versions", "assets", "libraries", "crash-reports", "NVIDIA", "AMD", "screenshots", "natives", "native", "$native", "server-resource-packs", // Minecraft
-            "downloads", // Curse
-            "asm", "backups", "TCNodeTracker", "CustomDISkins", "data" // Mods
-    );
-    public static final List<String> MODPACK_SUGGESTED_BLACK_LIST = Lang.immutableListOf(
-            "fonts", // BetterFonts
-            "saves", "servers.dat", "options.txt", // Minecraft
-            "blueprints" /* BuildCraft */,
-            "optionsof.txt" /* OptiFine */,
-            "journeymap" /* JourneyMap */,
-            "optionsshaders.txt",
-            "mods/VoxelMods");
-
-    public static ModAdviser.ModSuggestion suggestMod(String fileName, boolean isDirectory) {
-        if (match(MODPACK_BLACK_LIST, fileName, isDirectory))
-            return ModAdviser.ModSuggestion.HIDDEN;
-        if (match(MODPACK_SUGGESTED_BLACK_LIST, fileName, isDirectory))
-            return ModAdviser.ModSuggestion.NORMAL;
-        else
-            return ModAdviser.ModSuggestion.SUGGESTED;
-    }
-
-    private static boolean match(List<String> l, String fileName, boolean isDirectory) {
-        for (String s : l)
-            if (isDirectory) {
-                if (fileName.startsWith(s + "/"))
-                    return true;
-            } else if (fileName.equals(s))
-                return true;
-        return false;
-    }
-
-    /**
-     * Read the manifest in a HMCL modpack.
-     *
-     * @param file a HMCL modpack file.
-     * @throws IOException if the file is not a valid zip file.
-     * @throws JsonParseException if the manifest.json is missing or malformed.
-     * @return the manifest of HMCL modpack.
-     */
-    public static Modpack readHMCLModpackManifest(File file) throws IOException, JsonParseException {
-        String manifestJson = CompressingUtils.readTextZipEntry(file, "modpack.json");
-        Modpack manifest = JsonUtils.fromNonNullJson(manifestJson, Modpack.class);
-        String gameJson = CompressingUtils.readTextZipEntry(file, "minecraft/pack.json");
-        Version game = JsonUtils.fromNonNullJson(gameJson, Version.class);
-        if (game.getJar() == null)
-            if (StringUtils.isBlank(manifest.getVersion()))
-                throw new JsonParseException("Cannot recognize the game version of modpack " + file + ".");
-            else
-                return manifest.setManifest(HMCLModpackManifest.INSTANCE);
-        else
-            return manifest.setManifest(HMCLModpackManifest.INSTANCE).setGameVersion(game.getJar());
-    }
-}
@@ -1,7 +1,7 @@
 /*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
@@ -13,12 +13,20 @@
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 package org.jackhuang.hmcl.game;

-public final class HMCLModpackManifest {
+import org.jackhuang.hmcl.mod.ModpackManifest;
+import org.jackhuang.hmcl.mod.ModpackProvider;
+
+public final class HMCLModpackManifest implements ModpackManifest {
    public static final HMCLModpackManifest INSTANCE = new HMCLModpackManifest();

    private HMCLModpackManifest() {}
+
+    @Override
+    public ModpackProvider getProvider() {
+        return HMCLModpackProvider.INSTANCE;
+    }
 }
@@ -0,0 +1,89 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2022  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.game;
+
+import com.google.gson.JsonParseException;
+import org.apache.commons.compress.archivers.zip.ZipFile;
+import org.jackhuang.hmcl.download.DefaultDependencyManager;
+import org.jackhuang.hmcl.mod.MismatchedModpackTypeException;
+import org.jackhuang.hmcl.mod.Modpack;
+import org.jackhuang.hmcl.mod.ModpackProvider;
+import org.jackhuang.hmcl.mod.ModpackUpdateTask;
+import org.jackhuang.hmcl.setting.Profile;
+import org.jackhuang.hmcl.task.Task;
+import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.CompressingUtils;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.charset.Charset;
+import java.nio.file.Path;
+
+public final class HMCLModpackProvider implements ModpackProvider {
+    public static final HMCLModpackProvider INSTANCE = new HMCLModpackProvider();
+
+    @Override
+    public String getName() {
+        return "HMCL";
+    }
+
+    @Override
+    public Task<?> createCompletionTask(DefaultDependencyManager dependencyManager, String version) {
+        return null;
+    }
+
+    @Override
+    public Task<?> createUpdateTask(DefaultDependencyManager dependencyManager, String name, File zipFile, Modpack modpack) throws MismatchedModpackTypeException {
+        if (!(modpack.getManifest() instanceof HMCLModpackManifest))
+            throw new MismatchedModpackTypeException(getName(), modpack.getManifest().getProvider().getName());
+
+        if (!(dependencyManager.getGameRepository() instanceof HMCLGameRepository)) {
+            throw new IllegalArgumentException("HMCLModpackProvider requires HMCLGameRepository");
+        }
+
+        HMCLGameRepository repository = (HMCLGameRepository) dependencyManager.getGameRepository();
+        Profile profile = repository.getProfile();
+
+        return new ModpackUpdateTask(dependencyManager.getGameRepository(), name, new HMCLModpackInstallTask(profile, zipFile, modpack, name));
+    }
+
+    @Override
+    public Modpack readManifest(ZipFile file, Path path, Charset encoding) throws IOException, JsonParseException {
+        String manifestJson = CompressingUtils.readTextZipEntry(file, "modpack.json");
+        Modpack manifest = JsonUtils.fromNonNullJson(manifestJson, HMCLModpack.class).setEncoding(encoding);
+        String gameJson = CompressingUtils.readTextZipEntry(file, "minecraft/pack.json");
+        Version game = JsonUtils.fromNonNullJson(gameJson, Version.class);
+        if (game.getJar() == null)
+            if (StringUtils.isBlank(manifest.getVersion()))
+                throw new JsonParseException("Cannot recognize the game version of modpack " + file + ".");
+            else
+                manifest.setManifest(HMCLModpackManifest.INSTANCE);
+        else
+            manifest.setManifest(HMCLModpackManifest.INSTANCE).setGameVersion(game.getJar());
+        return manifest;
+    }
+
+    private static class HMCLModpack extends Modpack {
+        @Override
+        public Task<?> getInstallTask(DefaultDependencyManager dependencyManager, File zipFile, String name) {
+            return new HMCLModpackInstallTask(((HMCLGameRepository) dependencyManager.getGameRepository()).getProfile(), zipFile, this, name);
+        }
+    }
+
+}
@@ -1,7 +1,7 @@
 /*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
@@ -13,7 +13,7 @@
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 package org.jackhuang.hmcl.game;

@@ -0,0 +1,131 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2022  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.game;
+
+import org.jackhuang.hmcl.mod.LocalModFile;
+import org.jackhuang.hmcl.mod.RemoteMod;
+import org.jackhuang.hmcl.mod.RemoteModRepository;
+import org.jackhuang.hmcl.ui.versions.ModTranslations;
+import org.jackhuang.hmcl.util.Pair;
+import org.jackhuang.hmcl.util.StringUtils;
+
+import java.io.IOException;
+import java.nio.file.Path;
+import java.util.*;
+import java.util.logging.Level;
+import java.util.stream.Stream;
+
+import static org.jackhuang.hmcl.util.Logging.LOG;
+
+public abstract class LocalizedRemoteModRepository implements RemoteModRepository {
+    private static final int CONTAIN_CHINESE_WEIGHT = 10;
+
+    private static final int INITIAL_CAPACITY = 16;
+
+    protected abstract RemoteModRepository getBackedRemoteModRepository();
+
+    protected abstract SortType getBackedRemoteModRepositorySortOrder();
+
+    @Override
+    public SearchResult search(String gameVersion, Category category, int pageOffset, int pageSize, String searchFilter, SortType sort, SortOrder sortOrder) throws IOException {
+        if (!StringUtils.containsChinese(searchFilter)) {
+            return getBackedRemoteModRepository().search(gameVersion, category, pageOffset, pageSize, searchFilter, sort, sortOrder);
+        }
+
+        Set<String> englishSearchFiltersSet = new HashSet<>(INITIAL_CAPACITY);
+
+        int count = 0;
+        for (ModTranslations.Mod mod : ModTranslations.getTranslationsByRepositoryType(getType()).searchMod(searchFilter)) {
+            for (String englishWord : StringUtils.tokenize(StringUtils.isNotBlank(mod.getSubname()) ? mod.getSubname() : mod.getName())) {
+                if (englishSearchFiltersSet.contains(englishWord)) {
+                    continue;
+                }
+
+                englishSearchFiltersSet.add(englishWord);
+            }
+
+            count++;
+            if (count >= 3) break;
+        }
+
+        RemoteMod[] searchResultArray = new RemoteMod[pageSize];
+        int totalPages, chineseIndex = 0, englishIndex = pageSize - 1;
+        {
+            SearchResult searchResult = getBackedRemoteModRepository().search(gameVersion, category, pageOffset, pageSize, String.join(" ", englishSearchFiltersSet), getBackedRemoteModRepositorySortOrder(), sortOrder);
+            for (Iterator<RemoteMod> iterator = searchResult.getUnsortedResults().iterator(); iterator.hasNext(); ) {
+                if (chineseIndex > englishIndex) {
+                    LOG.log(Level.WARNING, "Too many search results! Are the backed remote mod repository broken? Or are the API broken?");
+                    continue;
+                }
+
+                RemoteMod remoteMod = iterator.next();
+                ModTranslations.Mod chineseTranslation = ModTranslations.getTranslationsByRepositoryType(getType()).getModByCurseForgeId(remoteMod.getSlug());
+                if (chineseTranslation != null && !StringUtils.isBlank(chineseTranslation.getName()) && StringUtils.containsChinese(chineseTranslation.getName())) {
+                    searchResultArray[chineseIndex++] = remoteMod;
+                } else {
+                    searchResultArray[englishIndex--] = remoteMod;
+                }
+            }
+            totalPages = searchResult.getTotalPages();
+        }
+
+        StringUtils.LevCalculator levCalculator = new StringUtils.LevCalculator();
+        return new SearchResult(Stream.concat(Arrays.stream(searchResultArray, 0, chineseIndex).map(remoteMod -> {
+            ModTranslations.Mod chineseRemoteMod = ModTranslations.getTranslationsByRepositoryType(getType()).getModByCurseForgeId(remoteMod.getSlug());
+            if (chineseRemoteMod == null || StringUtils.isBlank(chineseRemoteMod.getName()) || !StringUtils.containsChinese(chineseRemoteMod.getName())) {
+                return Pair.pair(remoteMod, Integer.MAX_VALUE);
+            }
+            String chineseRemoteModName = chineseRemoteMod.getName();
+            if (searchFilter.isEmpty() || chineseRemoteModName.isEmpty()) {
+                return Pair.pair(remoteMod, Math.max(searchFilter.length(), chineseRemoteModName.length()));
+            }
+            int l = levCalculator.calc(searchFilter, chineseRemoteModName);
+            for (int i = 0; i < searchFilter.length(); i++) {
+                if (chineseRemoteModName.indexOf(searchFilter.charAt(i)) >= 0) {
+                    l -= CONTAIN_CHINESE_WEIGHT;
+                }
+            }
+            return Pair.pair(remoteMod, l);
+        }).sorted(Comparator.comparingInt(Pair::getValue)).map(Pair::getKey), Arrays.stream(searchResultArray, englishIndex + 1, searchResultArray.length)), totalPages);
+    }
+
+    @Override
+    public Stream<Category> getCategories() throws IOException {
+        return getBackedRemoteModRepository().getCategories();
+    }
+
+    @Override
+    public Optional<RemoteMod.Version> getRemoteVersionByLocalFile(LocalModFile localModFile, Path file) throws IOException {
+        return getBackedRemoteModRepository().getRemoteVersionByLocalFile(localModFile, file);
+    }
+
+    @Override
+    public RemoteMod getModById(String id) throws IOException {
+        return getBackedRemoteModRepository().getModById(id);
+    }
+
+    @Override
+    public RemoteMod.File getModFile(String modId, String fileId) throws IOException {
+        return getBackedRemoteModRepository().getModFile(modId, fileId);
+    }
+
+    @Override
+    public Stream<RemoteMod.Version> getRemoteVersionsById(String id) throws IOException {
+        return getBackedRemoteModRepository().getRemoteVersionsById(id);
+    }
+}
@@ -0,0 +1,106 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2021  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.game;
+
+import org.jackhuang.hmcl.util.Logging;
+import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.io.Zipper;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;
+
+import java.io.IOException;
+import java.io.UncheckedIOException;
+import java.lang.management.ManagementFactory;
+import java.nio.file.DirectoryStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.nio.file.attribute.FileTime;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.logging.Level;
+
+import static org.jackhuang.hmcl.util.Logging.LOG;
+
+public final class LogExporter {
+    private LogExporter() {
+    }
+
+    public static CompletableFuture<Void> exportLogs(Path zipFile, DefaultGameRepository gameRepository, String versionId, String logs, String launchScript) {
+        Path runDirectory = gameRepository.getRunDirectory(versionId).toPath();
+        Path baseDirectory = gameRepository.getBaseDirectory().toPath();
+        List<String> versions = new ArrayList<>();
+
+        String currentVersionId = versionId;
+        HashSet<String> resolvedSoFar = new HashSet<>();
+        while (true) {
+            if (resolvedSoFar.contains(currentVersionId)) break;
+            resolvedSoFar.add(currentVersionId);
+            Version currentVersion = gameRepository.getVersion(currentVersionId);
+            versions.add(currentVersionId);
+
+            if (StringUtils.isNotBlank(currentVersion.getInheritsFrom())) {
+                currentVersionId = currentVersion.getInheritsFrom();
+            } else {
+                break;
+            }
+        }
+
+        return CompletableFuture.runAsync(() -> {
+            try (Zipper zipper = new Zipper(zipFile)) {
+                processLogs(runDirectory.resolve("liteconfig"), "*.log", "liteconfig", zipper);
+                processLogs(runDirectory.resolve("logs"), "*.log", "logs", zipper);
+                processLogs(runDirectory, "*.log", "runDirectory", zipper);
+                processLogs(runDirectory.resolve("crash-reports"), "*.txt", "crash-reports", zipper);
+
+                zipper.putTextFile(Logging.getLogs(), "hmcl.log");
+                zipper.putTextFile(logs, "minecraft.log");
+                zipper.putTextFile(Logging.filterForbiddenToken(launchScript), OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS ? "launch.bat" : "launch.sh");
+
+                for (String id : versions) {
+                    Path versionJson = baseDirectory.resolve("versions").resolve(id).resolve(id + ".json");
+                    if (Files.exists(versionJson)) {
+                        zipper.putFile(versionJson, id + ".json");
+                    }
+                }
+            } catch (IOException e) {
+                throw new UncheckedIOException(e);
+            }
+        });
+    }
+
+    private static void processLogs(Path directory, String fileExtension, String logDirectory, Zipper zipper) {
+        try (DirectoryStream<Path> stream = Files.newDirectoryStream(directory, fileExtension)) {
+            long processStartTime = ManagementFactory.getRuntimeMXBean().getStartTime();
+
+            for (Path file : stream) {
+                if (Files.isRegularFile(file)) {
+                    FileTime time = Files.readAttributes(file, BasicFileAttributes.class).lastModifiedTime();
+                    if (time.toMillis() >= processStartTime) {
+                        String crashLog = Logging.filterForbiddenToken(FileUtils.readText(file, OperatingSystem.NATIVE_CHARSET));
+                        zipper.putTextFile(crashLog, file.getFileName().toString());
+                    }
+                }
+            }
+        } catch (Throwable e) {
+            LOG.log(Level.WARNING, "Failed to find any log on " + logDirectory, e);
+        }
+    }
+}
@@ -1,7 +1,7 @@
 /*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2021  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
@@ -13,26 +13,20 @@
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
-package org.jackhuang.hmcl.task;
+package org.jackhuang.hmcl.game;

-/**
- * A task that has a result.
- *
- * @author huangyuhui
- */
-public abstract class TaskResult<V> extends Task {
+import java.nio.file.Path;

-    private V result;
+public class ManuallyCreatedModpackException extends Exception {
+    private final Path path;

-    public V getResult() {
-        return result;
+    public ManuallyCreatedModpackException(Path path) {
+        this.path = path;
    }

-    public void setResult(V result) {
-        this.result = result;
+    public Path getPath() {
+        return path;
    }
-
-    public abstract String getId();
 }
@@ -0,0 +1,61 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2021  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.game;
+
+import org.jackhuang.hmcl.setting.Profile;
+import org.jackhuang.hmcl.task.Task;
+import org.jackhuang.hmcl.util.io.CompressingUtils;
+import org.jackhuang.hmcl.util.io.Unzipper;
+
+import java.nio.charset.Charset;
+import java.nio.file.FileSystem;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+public class ManuallyCreatedModpackInstallTask extends Task<Path> {
+
+    private final Profile profile;
+    private final Path zipFile;
+    private final Charset charset;
+    private final String name;
+
+    public ManuallyCreatedModpackInstallTask(Profile profile, Path zipFile, Charset charset, String name) {
+        this.profile = profile;
+        this.zipFile = zipFile;
+        this.charset = charset;
+        this.name = name;
+    }
+
+    @Override
+    public void execute() throws Exception {
+        Path subdirectory;
+        try (FileSystem fs = CompressingUtils.readonly(zipFile).setEncoding(charset).build()) {
+            subdirectory = ModpackHelper.findMinecraftDirectoryInManuallyCreatedModpack(zipFile.toString(), fs);
+        }
+
+        Path dest = Paths.get("externalgames").resolve(name);
+
+        setResult(dest);
+
+        new Unzipper(zipFile, dest)
+                .setSubDirectory(subdirectory.toString())
+                .setTerminateIfSubDirectoryNotExists()
+                .setEncoding(charset)
+                .unzip();
+    }
+}
@@ -1,7 +1,7 @@
 /*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
@@ -13,126 +13,237 @@
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 package org.jackhuang.hmcl.game;

 import com.google.gson.JsonParseException;
 import com.google.gson.reflect.TypeToken;
+import org.apache.commons.compress.archivers.zip.ZipFile;
 import org.jackhuang.hmcl.mod.*;
-import org.jackhuang.hmcl.setting.EnumGameDirectory;
+import org.jackhuang.hmcl.mod.curse.CurseModpackProvider;
+import org.jackhuang.hmcl.mod.mcbbs.McbbsModpackManifest;
+import org.jackhuang.hmcl.mod.mcbbs.McbbsModpackProvider;
+import org.jackhuang.hmcl.mod.modrinth.ModrinthModpackProvider;
+import org.jackhuang.hmcl.mod.multimc.MultiMCInstanceConfiguration;
+import org.jackhuang.hmcl.mod.multimc.MultiMCModpackProvider;
+import org.jackhuang.hmcl.mod.server.ServerModpackManifest;
+import org.jackhuang.hmcl.mod.server.ServerModpackProvider;
+import org.jackhuang.hmcl.mod.server.ServerModpackRemoteInstallTask;
 import org.jackhuang.hmcl.setting.Profile;
+import org.jackhuang.hmcl.setting.Profiles;
 import org.jackhuang.hmcl.setting.VersionSetting;
-import org.jackhuang.hmcl.task.FinalizedCallback;
+import org.jackhuang.hmcl.task.Schedulers;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.Constants;
-import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.Lang;
+import org.jackhuang.hmcl.util.function.ExceptionalConsumer;
+import org.jackhuang.hmcl.util.function.ExceptionalRunnable;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.CompressingUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jetbrains.annotations.Nullable;

 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
+import java.nio.charset.Charset;
+import java.nio.file.FileSystem;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Arrays;
+import java.util.Map;
+import java.util.Objects;
 import java.util.Optional;
+import java.util.stream.Stream;
+
+import static org.jackhuang.hmcl.util.Lang.mapOf;
+import static org.jackhuang.hmcl.util.Lang.toIterable;
+import static org.jackhuang.hmcl.util.Pair.pair;

 public final class ModpackHelper {
    private ModpackHelper() {}

-    public static Modpack readModpackManifest(File file) throws UnsupportedModpackException {
-        try {
-            return CurseManifest.readCurseForgeModpackManifest(file);
-        } catch (Exception e) {
-            // ignore it, not a valid CurseForge modpack.
+    private static final Map<String, ModpackProvider> providers = mapOf(
+            pair(CurseModpackProvider.INSTANCE.getName(), CurseModpackProvider.INSTANCE),
+            pair(McbbsModpackProvider.INSTANCE.getName(), McbbsModpackProvider.INSTANCE),
+            pair(ModrinthModpackProvider.INSTANCE.getName(), ModrinthModpackProvider.INSTANCE),
+            pair(MultiMCModpackProvider.INSTANCE.getName(), MultiMCModpackProvider.INSTANCE),
+            pair(ServerModpackProvider.INSTANCE.getName(), ServerModpackProvider.INSTANCE),
+            pair(HMCLModpackProvider.INSTANCE.getName(), HMCLModpackProvider.INSTANCE)
+    );
+
+    @Nullable
+    public static ModpackProvider getProviderByType(String type) {
+        return providers.get(type);
+    }
+
+    public static boolean isFileModpackByExtension(File file) {
+        String ext = FileUtils.getExtension(file);
+        return "zip".equals(ext) || "mrpack".equals(ext);
+    }
+
+    public static Modpack readModpackManifest(Path file, Charset charset) throws UnsupportedModpackException, ManuallyCreatedModpackException {
+        try (ZipFile zipFile = CompressingUtils.openZipFile(file, charset)) {
+            // Order for trying detecting manifest is necessary here.
+            // Do not change to iterating providers.
+            for (ModpackProvider provider : new ModpackProvider[]{
+                    McbbsModpackProvider.INSTANCE,
+                    CurseModpackProvider.INSTANCE,
+                    ModrinthModpackProvider.INSTANCE,
+                    HMCLModpackProvider.INSTANCE,
+                    MultiMCModpackProvider.INSTANCE,
+                    ServerModpackProvider.INSTANCE}) {
+                try {
+                    return provider.readManifest(zipFile, file, charset);
+                } catch (Exception ignored) {
+                }
+            }
+        } catch (IOException ignored) {
        }

-        try {
-            return HMCLModpackManager.readHMCLModpackManifest(file);
-        } catch (Exception e) {
-            // ignore it, not a valid HMCL modpack.
-        }
-
-        try {
-            return MultiMCInstanceConfiguration.readMultiMCModpackManifest(file);
-        } catch (Exception e) {
-            // ignore it, not a valid MultiMC modpack.
+        try (FileSystem fs = CompressingUtils.createReadOnlyZipFileSystem(file, charset)) {
+            findMinecraftDirectoryInManuallyCreatedModpack(file.toString(), fs);
+            throw new ManuallyCreatedModpackException(file);
+        } catch (IOException e) {
+            // ignore it
        }

        throw new UnsupportedModpackException(file.toString());
    }

+    public static Path findMinecraftDirectoryInManuallyCreatedModpack(String modpackName, FileSystem fs) throws IOException, UnsupportedModpackException {
+        Path root = fs.getPath("/");
+        if (isMinecraftDirectory(root)) return root;
+        try (Stream<Path> firstLayer = Files.list(root)) {
+            for (Path dir : toIterable(firstLayer)) {
+                if (isMinecraftDirectory(dir)) return dir;
+
+                try (Stream<Path> secondLayer = Files.list(dir)) {
+                    for (Path subdir : toIterable(secondLayer)) {
+                        if (isMinecraftDirectory(subdir)) return subdir;
+                    }
+                } catch (IOException ignored) {
+                }
+            }
+        } catch (IOException ignored) {
+        }
+        throw new UnsupportedModpackException(modpackName);
+    }
+
+    private static boolean isMinecraftDirectory(Path path) {
+        return Files.isDirectory(path.resolve("versions")) &&
+                (path.getFileName() == null || ".minecraft".equals(FileUtils.getName(path)));
+    }
+
    public static ModpackConfiguration<?> readModpackConfiguration(File file) throws IOException {
        if (!file.exists())
            throw new FileNotFoundException(file.getPath());
        else
            try {
-                return Constants.GSON.fromJson(FileUtils.readText(file), new TypeToken<ModpackConfiguration<?>>() {
+                return JsonUtils.GSON.fromJson(FileUtils.readText(file), new TypeToken<ModpackConfiguration<?>>() {
                }.getType());
            } catch (JsonParseException e) {
                throw new IOException("Malformed modpack configuration");
            }
    }

-    private static String getManifestType(Object manifest) throws UnsupportedModpackException {
-        if (manifest instanceof HMCLModpackManifest)
-            return HMCLModpackInstallTask.MODPACK_TYPE;
-        else if (manifest instanceof MultiMCInstanceConfiguration)
-            return MultiMCModpackInstallTask.MODPACK_TYPE;
-        else if (manifest instanceof CurseManifest)
-            return CurseInstallTask.MODPACK_TYPE;
-        else
-            throw new UnsupportedModpackException();
-    }
-
-    public static Task getInstallTask(Profile profile, File zipFile, String name, Modpack modpack) {
+    public static Task<?> getInstallTask(Profile profile, ServerModpackManifest manifest, String name, Modpack modpack) {
        profile.getRepository().markVersionAsModpack(name);

-        FinalizedCallback finalizeTask = (variables, isDependentsSucceeded) -> {
-            profile.getRepository().refreshVersions();
-            VersionSetting vs = profile.specializeVersionSetting(name);
-            profile.getRepository().undoMark(name);
+        ExceptionalRunnable<?> success = () -> {
+            HMCLGameRepository repository = profile.getRepository();
+            repository.refreshVersions();
+            VersionSetting vs = repository.specializeVersionSetting(name);
+            repository.undoMark(name);
            if (vs != null)
-                vs.setGameDirType(EnumGameDirectory.VERSION_FOLDER);
+                vs.setGameDirType(GameDirectoryType.VERSION_FOLDER);
        };

-        if (modpack.getManifest() instanceof CurseManifest)
-            return new CurseInstallTask(profile.getDependency(), zipFile, ((CurseManifest) modpack.getManifest()), name)
-                    .finalized(finalizeTask);
-        else if (modpack.getManifest() instanceof HMCLModpackManifest)
-            return new HMCLModpackInstallTask(profile, zipFile, modpack, name)
-                    .finalized(finalizeTask);
-        else if (modpack.getManifest() instanceof MultiMCInstanceConfiguration)
-            return new MultiMCModpackInstallTask(profile.getDependency(), zipFile, ((MultiMCInstanceConfiguration) modpack.getManifest()), name)
-                    .finalized(finalizeTask)
-                    .with(new MultiMCInstallVersionSettingTask(profile, ((MultiMCInstanceConfiguration) modpack.getManifest()), name));
-        else throw new IllegalStateException("Unrecognized modpack: " + modpack);
+        ExceptionalConsumer<Exception, ?> failure = ex -> {
+            if (ex instanceof ModpackCompletionException && !(ex.getCause() instanceof FileNotFoundException)) {
+                success.run();
+                // This is tolerable and we will not delete the game
+            }
+        };
+
+        return new ServerModpackRemoteInstallTask(profile.getDependency(), manifest, name)
+                .whenComplete(Schedulers.defaultScheduler(), success, failure)
+                .withStagesHint(Arrays.asList("hmcl.modpack", "hmcl.modpack.download"));
    }

-    public static Task getUpdateTask(Profile profile, File zipFile, String name, ModpackConfiguration<?> configuration) throws UnsupportedModpackException, MismatchedModpackTypeException {
-        Modpack modpack = ModpackHelper.readModpackManifest(zipFile);
+    public static boolean isExternalGameNameConflicts(String name) {
+        return Files.exists(Paths.get("externalgames").resolve(name));
+    }

+    public static Task<?> getInstallManuallyCreatedModpackTask(Profile profile, File zipFile, String name, Charset charset) {
+        if (isExternalGameNameConflicts(name)) {
+            throw new IllegalArgumentException("name existing");
+        }
+
+        return new ManuallyCreatedModpackInstallTask(profile, zipFile.toPath(), charset, name)
+                .thenAcceptAsync(Schedulers.javafx(), location -> {
+                    Profile newProfile = new Profile(name, location.toFile());
+                    newProfile.setUseRelativePath(true);
+                    Profiles.getProfiles().add(newProfile);
+                    Profiles.setSelectedProfile(newProfile);
+                });
+    }
+
+    public static Task<?> getInstallTask(Profile profile, File zipFile, String name, Modpack modpack) {
+        profile.getRepository().markVersionAsModpack(name);
+
+        ExceptionalRunnable<?> success = () -> {
+            HMCLGameRepository repository = profile.getRepository();
+            repository.refreshVersions();
+            VersionSetting vs = repository.specializeVersionSetting(name);
+            repository.undoMark(name);
+            if (vs != null)
+                vs.setGameDirType(GameDirectoryType.VERSION_FOLDER);
+        };
+
+        ExceptionalConsumer<Exception, ?> failure = ex -> {
+            if (ex instanceof ModpackCompletionException && !(ex.getCause() instanceof FileNotFoundException)) {
+                success.run();
+                // This is tolerable and we will not delete the game
+            }
+        };
+
+        if (modpack.getManifest() instanceof MultiMCInstanceConfiguration)
+            return modpack.getInstallTask(profile.getDependency(), zipFile, name)
+                    .whenComplete(Schedulers.defaultScheduler(), success, failure)
+                    .thenComposeAsync(createMultiMCPostInstallTask(profile, (MultiMCInstanceConfiguration) modpack.getManifest(), name));
+        else if (modpack.getManifest() instanceof McbbsModpackManifest)
+            return modpack.getInstallTask(profile.getDependency(), zipFile, name)
+                    .whenComplete(Schedulers.defaultScheduler(), success, failure)
+                    .thenComposeAsync(createMcbbsPostInstallTask(profile, (McbbsModpackManifest) modpack.getManifest(), name));
+        else
+            return modpack.getInstallTask(profile.getDependency(), zipFile, name)
+                    .whenComplete(Schedulers.javafx(), success, failure);
+    }
+
+    public static Task<Void> getUpdateTask(Profile profile, ServerModpackManifest manifest, Charset charset, String name, ModpackConfiguration<?> configuration) throws UnsupportedModpackException {
        switch (configuration.getType()) {
-            case CurseInstallTask.MODPACK_TYPE:
-                if (!(modpack.getManifest() instanceof CurseManifest))
-                    throw new MismatchedModpackTypeException(CurseInstallTask.MODPACK_TYPE, getManifestType(modpack.getManifest()));
-
-                return new CurseInstallTask(profile.getDependency(), zipFile, (CurseManifest) modpack.getManifest(), name);
-            case MultiMCModpackInstallTask.MODPACK_TYPE:
-                if (!(modpack.getManifest() instanceof MultiMCInstanceConfiguration))
-                    throw new MismatchedModpackTypeException(MultiMCModpackInstallTask.MODPACK_TYPE, getManifestType(modpack.getManifest()));
-
-                return new MultiMCModpackInstallTask(profile.getDependency(), zipFile, (MultiMCInstanceConfiguration) modpack.getManifest(), name);
-            case HMCLModpackInstallTask.MODPACK_TYPE:
-                if (!(modpack.getManifest() instanceof HMCLModpackManifest))
-                    throw new MismatchedModpackTypeException(HMCLModpackInstallTask.MODPACK_TYPE, getManifestType(modpack.getManifest()));
-
-                return new HMCLModpackInstallTask(profile, zipFile, modpack, name);
+            case ServerModpackRemoteInstallTask.MODPACK_TYPE:
+                return new ModpackUpdateTask(profile.getRepository(), name, new ServerModpackRemoteInstallTask(profile.getDependency(), manifest, name))
+                        .withStagesHint(Arrays.asList("hmcl.modpack", "hmcl.modpack.download"));
            default:
                throw new UnsupportedModpackException();
        }
    }

+    public static Task<?> getUpdateTask(Profile profile, File zipFile, Charset charset, String name, ModpackConfiguration<?> configuration) throws UnsupportedModpackException, ManuallyCreatedModpackException, MismatchedModpackTypeException {
+        Modpack modpack = ModpackHelper.readModpackManifest(zipFile.toPath(), charset);
+        ModpackProvider provider = getProviderByType(configuration.getType());
+        if (provider == null) {
+            throw new UnsupportedModpackException();
+        }
+        return provider.createUpdateTask(profile.getDependency(), name, zipFile, modpack);
+    }
+
    public static void toVersionSetting(MultiMCInstanceConfiguration c, VersionSetting vs) {
        vs.setUsesGlobal(false);
-        vs.setGameDirType(EnumGameDirectory.VERSION_FOLDER);
+        vs.setGameDirType(GameDirectoryType.VERSION_FOLDER);

        if (c.isOverrideJavaLocation()) {
            vs.setJavaDir(Lang.nonNull(c.getJavaPath(), ""));
@@ -167,5 +278,18 @@ public final class ModpackHelper {
        }
    }

+    private static Task<Void> createMultiMCPostInstallTask(Profile profile, MultiMCInstanceConfiguration manifest, String version) {
+        return Task.runAsync(Schedulers.javafx(), () -> {
+            VersionSetting vs = Objects.requireNonNull(profile.getRepository().specializeVersionSetting(version));
+            ModpackHelper.toVersionSetting(manifest, vs);
+        });
+    }

+    private static Task<Void> createMcbbsPostInstallTask(Profile profile, McbbsModpackManifest manifest, String version) {
+        return Task.runAsync(Schedulers.javafx(), () -> {
+            VersionSetting vs = Objects.requireNonNull(profile.getRepository().specializeVersionSetting(version));
+            if (manifest.getLaunchInfo().getMinMemory() > vs.getMaxMemory())
+                vs.setMaxMemory(manifest.getLaunchInfo().getMinMemory());
+        });
+    }
 }
@@ -1,50 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.game;
-
-import org.jackhuang.hmcl.mod.MultiMCInstanceConfiguration;
-import org.jackhuang.hmcl.setting.Profile;
-import org.jackhuang.hmcl.setting.VersionSetting;
-import org.jackhuang.hmcl.task.Scheduler;
-import org.jackhuang.hmcl.task.Schedulers;
-import org.jackhuang.hmcl.task.Task;
-
-import java.util.Objects;
-
-public final class MultiMCInstallVersionSettingTask extends Task {
-    private final Profile profile;
-    private final MultiMCInstanceConfiguration manifest;
-    private final String version;
-
-    public MultiMCInstallVersionSettingTask(Profile profile, MultiMCInstanceConfiguration manifest, String version) {
-        this.profile = profile;
-        this.manifest = manifest;
-        this.version = version;
-    }
-
-    @Override
-    public Scheduler getScheduler() {
-        return Schedulers.javafx();
-    }
-
-    @Override
-    public void execute() {
-        VersionSetting vs = Objects.requireNonNull(profile.specializeVersionSetting(version));
-        ModpackHelper.toVersionSetting(manifest, vs);
-    }
-}
@@ -0,0 +1,211 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2021  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.game;
+
+import fi.iki.elonen.NanoHTTPD;
+import org.jackhuang.hmcl.auth.AuthenticationException;
+import org.jackhuang.hmcl.auth.OAuth;
+import org.jackhuang.hmcl.event.Event;
+import org.jackhuang.hmcl.event.EventManager;
+import org.jackhuang.hmcl.ui.FXUtils;
+import org.jackhuang.hmcl.util.Logging;
+import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.io.IOUtils;
+import org.jackhuang.hmcl.util.io.JarUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+import java.util.logging.Level;
+
+import static org.jackhuang.hmcl.util.Lang.mapOf;
+import static org.jackhuang.hmcl.util.Lang.thread;
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
+
+public final class OAuthServer extends NanoHTTPD implements OAuth.Session {
+    private final int port;
+    private final CompletableFuture<String> future = new CompletableFuture<>();
+
+    public static String lastlyOpenedURL;
+
+    private String idToken;
+
+    private OAuthServer(int port) {
+        super(port);
+
+        this.port = port;
+    }
+
+    @Override
+    public String getRedirectURI() {
+        return String.format("http://localhost:%d/auth-response", port);
+    }
+
+    @Override
+    public String waitFor() throws InterruptedException, ExecutionException {
+        return future.get();
+    }
+
+    @Override
+    public String getIdToken() {
+        return idToken;
+    }
+
+    @Override
+    public Response serve(IHTTPSession session) {
+        if (!"/auth-response".equals(session.getUri())) {
+            return newFixedLengthResponse(Response.Status.NOT_FOUND, MIME_HTML, "");
+        }
+
+        if (session.getMethod() == Method.POST) {
+            Map<String, String> files = new HashMap<>();
+            try {
+                session.parseBody(files);
+            } catch (IOException e) {
+                Logging.LOG.log(Level.WARNING, "Failed to read post data", e);
+                return newFixedLengthResponse(Response.Status.INTERNAL_ERROR, MIME_HTML, "");
+            } catch (ResponseException re) {
+                return newFixedLengthResponse(re.getStatus(), MIME_PLAINTEXT, re.getMessage());
+            }
+        } else if (session.getMethod() == Method.GET) {
+            // do nothing
+        } else {
+            return newFixedLengthResponse(Response.Status.NOT_FOUND, MIME_HTML, "");
+        }
+        String parameters = session.getQueryParameterString();
+
+        Map<String, String> query = mapOf(NetworkUtils.parseQuery(parameters));
+        if (query.containsKey("code")) {
+            idToken = query.get("id_token");
+            future.complete(query.get("code"));
+        } else {
+            Logging.LOG.warning("Error: " + parameters);
+            future.completeExceptionally(new AuthenticationException("failed to authenticate"));
+        }
+
+        String html;
+        try {
+            html = IOUtils.readFullyAsString(OAuthServer.class.getResourceAsStream("/assets/microsoft_auth.html"))
+                    .replace("%close-page%", i18n("account.methods.microsoft.close_page"));
+        } catch (IOException e) {
+            Logging.LOG.log(Level.SEVERE, "Failed to load html");
+            return newFixedLengthResponse(Response.Status.INTERNAL_ERROR, MIME_HTML, "");
+        }
+        thread(() -> {
+            try {
+                Thread.sleep(1000);
+                stop();
+            } catch (InterruptedException e) {
+                Logging.LOG.log(Level.SEVERE, "Failed to sleep for 1 second");
+            }
+        });
+        return newFixedLengthResponse(Response.Status.OK, "text/html; charset=UTF-8", html);
+    }
+
+    public static class Factory implements OAuth.Callback {
+        public final EventManager<GrantDeviceCodeEvent> onGrantDeviceCode = new EventManager<>();
+        public final EventManager<OpenBrowserEvent> onOpenBrowser = new EventManager<>();
+
+        @Override
+        public OAuth.Session startServer() throws IOException, AuthenticationException {
+            if (StringUtils.isBlank(getClientId())) {
+                throw new MicrosoftAuthenticationNotSupportedException();
+            }
+
+            IOException exception = null;
+            for (int port : new int[]{29111, 29112, 29113, 29114, 29115}) {
+                try {
+                    OAuthServer server = new OAuthServer(port);
+                    server.start(NanoHTTPD.SOCKET_READ_TIMEOUT, true);
+                    return server;
+                } catch (IOException e) {
+                    exception = e;
+                }
+            }
+            throw exception;
+        }
+
+        @Override
+        public void grantDeviceCode(String userCode, String verificationURI) {
+            onGrantDeviceCode.fireEvent(new GrantDeviceCodeEvent(this, userCode, verificationURI));
+        }
+
+        @Override
+        public void openBrowser(String url) throws IOException {
+            lastlyOpenedURL = url;
+            FXUtils.openLink(url);
+
+            onOpenBrowser.fireEvent(new OpenBrowserEvent(this, url));
+        }
+
+        @Override
+        public String getClientId() {
+            return System.getProperty("hmcl.microsoft.auth.id",
+                    JarUtils.getManifestAttribute("Microsoft-Auth-Id", ""));
+        }
+
+        @Override
+        public String getClientSecret() {
+            return System.getProperty("hmcl.microsoft.auth.secret",
+                    JarUtils.getManifestAttribute("Microsoft-Auth-Secret", ""));
+        }
+
+        @Override
+        public boolean isPublicClient() {
+            return true; // We have turned on the device auth flow.
+        }
+    }
+
+    public static class GrantDeviceCodeEvent extends Event {
+        private final String userCode;
+        private final String verificationUri;
+
+        public GrantDeviceCodeEvent(Object source, String userCode, String verificationUri) {
+            super(source);
+            this.userCode = userCode;
+            this.verificationUri = verificationUri;
+        }
+
+        public String getUserCode() {
+            return userCode;
+        }
+
+        public String getVerificationUri() {
+            return verificationUri;
+        }
+    }
+
+    public static class OpenBrowserEvent extends Event {
+        private final String url;
+
+        public OpenBrowserEvent(Object source, String url) {
+            super(source);
+            this.url = url;
+        }
+
+        public String getUrl() {
+            return url;
+        }
+    }
+
+    public static class MicrosoftAuthenticationNotSupportedException extends AuthenticationException {
+    }
+}
@@ -0,0 +1,331 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2021  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.game;
+
+import javafx.beans.binding.ObjectBinding;
+import javafx.beans.value.ChangeListener;
+import javafx.beans.value.ObservableValue;
+import javafx.scene.canvas.Canvas;
+import javafx.scene.canvas.GraphicsContext;
+import javafx.scene.image.Image;
+import javafx.scene.image.PixelReader;
+import javafx.scene.image.PixelWriter;
+import org.jackhuang.hmcl.Metadata;
+import org.jackhuang.hmcl.auth.Account;
+import org.jackhuang.hmcl.auth.ServerResponseMalformedException;
+import org.jackhuang.hmcl.auth.microsoft.MicrosoftAccount;
+import org.jackhuang.hmcl.auth.yggdrasil.*;
+import org.jackhuang.hmcl.task.FileDownloadTask;
+import org.jackhuang.hmcl.util.ResourceNotFoundError;
+import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.javafx.BindingMapping;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.ref.WeakReference;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.*;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+import java.util.logging.Level;
+
+import static java.util.Collections.emptyMap;
+import static java.util.Collections.singletonMap;
+import static java.util.Objects.requireNonNull;
+import static org.jackhuang.hmcl.util.Lang.threadPool;
+import static org.jackhuang.hmcl.util.Logging.LOG;
+
+/**
+ * @author yushijinhun
+ */
+public final class TexturesLoader {
+
+    private TexturesLoader() {
+    }
+
+    // ==== Texture Loading ====
+    public static class LoadedTexture {
+        private final Image image;
+        private final Map<String, String> metadata;
+
+        public LoadedTexture(Image image, Map<String, String> metadata) {
+            this.image = requireNonNull(image);
+            this.metadata = requireNonNull(metadata);
+        }
+
+        public Image getImage() {
+            return image;
+        }
+
+        public Map<String, String> getMetadata() {
+            return metadata;
+        }
+    }
+
+    private static final ThreadPoolExecutor POOL = threadPool("TexturesDownload", true, 2, 10, TimeUnit.SECONDS);
+    private static final Path TEXTURES_DIR = Metadata.MINECRAFT_DIRECTORY.resolve("assets").resolve("skins");
+
+    private static Path getTexturePath(Texture texture) {
+        String url = texture.getUrl();
+        int slash = url.lastIndexOf('/');
+        int dot = url.lastIndexOf('.');
+        if (dot < slash) {
+            dot = url.length();
+        }
+        String hash = url.substring(slash + 1, dot);
+        String prefix = hash.length() > 2 ? hash.substring(0, 2) : "xx";
+        return TEXTURES_DIR.resolve(prefix).resolve(hash);
+    }
+
+    public static LoadedTexture loadTexture(Texture texture) throws Throwable {
+        if (StringUtils.isBlank(texture.getUrl())) {
+            throw new IOException("Texture url is empty");
+        }
+
+        Path file = getTexturePath(texture);
+        if (!Files.isRegularFile(file)) {
+            // download it
+            try {
+                new FileDownloadTask(new URL(texture.getUrl()), file.toFile()).run();
+                LOG.info("Texture downloaded: " + texture.getUrl());
+            } catch (Exception e) {
+                if (Files.isRegularFile(file)) {
+                    // concurrency conflict?
+                    LOG.log(Level.WARNING, "Failed to download texture " + texture.getUrl() + ", but the file is available", e);
+                } else {
+                    throw new IOException("Failed to download texture " + texture.getUrl());
+                }
+            }
+        }
+
+        Image img;
+        try (InputStream in = Files.newInputStream(file)) {
+            img = new Image(in);
+        }
+
+        if (img.isError())
+            throw img.getException();
+
+        Map<String, String> metadata = texture.getMetadata();
+        if (metadata == null) {
+            metadata = emptyMap();
+        }
+        return new LoadedTexture(img, metadata);
+    }
+    // ====
+
+    // ==== Skins ====
+    private final static Map<TextureModel, LoadedTexture> DEFAULT_SKINS = new EnumMap<>(TextureModel.class);
+
+    static {
+        loadDefaultSkin("/assets/img/skin/steve.png", TextureModel.STEVE);
+        loadDefaultSkin("/assets/img/skin/alex.png", TextureModel.ALEX);
+    }
+
+    private static void loadDefaultSkin(String path, TextureModel model) {
+        Image skin;
+        try {
+            skin = new Image(path);
+            if (skin.isError())
+                throw skin.getException();
+        } catch (Throwable e) {
+            throw new ResourceNotFoundError("Cannot load default skin from " + path, e);
+        }
+
+        DEFAULT_SKINS.put(model, new LoadedTexture(skin, singletonMap("model", model.modelName)));
+    }
+
+    public static LoadedTexture getDefaultSkin(TextureModel model) {
+        return DEFAULT_SKINS.get(model);
+    }
+
+    public static ObjectBinding<LoadedTexture> skinBinding(YggdrasilService service, UUID uuid) {
+        LoadedTexture uuidFallback = getDefaultSkin(TextureModel.detectUUID(uuid));
+        return BindingMapping.of(service.getProfileRepository().binding(uuid))
+                .map(profile -> profile
+                        .flatMap(it -> {
+                            try {
+                                return YggdrasilService.getTextures(it);
+                            } catch (ServerResponseMalformedException e) {
+                                LOG.log(Level.WARNING, "Failed to parse texture payload", e);
+                                return Optional.empty();
+                            }
+                        })
+                        .flatMap(it -> Optional.ofNullable(it.get(TextureType.SKIN)))
+                        .filter(it -> StringUtils.isNotBlank(it.getUrl())))
+                .asyncMap(it -> {
+                    if (it.isPresent()) {
+                        Texture texture = it.get();
+                        return CompletableFuture.supplyAsync(() -> {
+                            try {
+                                return loadTexture(texture);
+                            } catch (Throwable e) {
+                                LOG.log(Level.WARNING, "Failed to load texture " + texture.getUrl() + ", using fallback texture", e);
+                                return uuidFallback;
+                            }
+                        }, POOL);
+                    } else {
+                        return CompletableFuture.completedFuture(uuidFallback);
+                    }
+                }, uuidFallback);
+    }
+
+    public static ObjectBinding<LoadedTexture> skinBinding(Account account) {
+        LoadedTexture uuidFallback = getDefaultSkin(TextureModel.detectUUID(account.getUUID()));
+        return BindingMapping.of(account.getTextures())
+                .map(textures -> textures
+                        .flatMap(it -> Optional.ofNullable(it.get(TextureType.SKIN)))
+                        .filter(it -> StringUtils.isNotBlank(it.getUrl())))
+                .asyncMap(it -> {
+                    if (it.isPresent()) {
+                        Texture texture = it.get();
+                        return CompletableFuture.supplyAsync(() -> {
+                            try {
+                                return loadTexture(texture);
+                            } catch (Throwable e) {
+                                LOG.log(Level.WARNING, "Failed to load texture " + texture.getUrl() + ", using fallback texture", e);
+                                return uuidFallback;
+                            }
+                        }, POOL);
+                    } else {
+                        return CompletableFuture.completedFuture(uuidFallback);
+                    }
+                }, uuidFallback);
+    }
+
+    // ====
+
+    // ==== Avatar ====
+    public static void drawAvatar(Canvas canvas, Image skin) {
+        GraphicsContext g = canvas.getGraphicsContext2D();
+        g.clearRect(0, 0, canvas.getWidth(), canvas.getHeight());
+
+        int size = (int) canvas.getWidth();
+        int scale = (int) skin.getWidth() / 64;
+        int faceOffset = (int) Math.round(size / 18.0);
+
+        try {
+            g.setImageSmoothing(false);
+            drawAvatar(g, skin, size, scale, faceOffset);
+        } catch (NoSuchMethodError ignored) {
+            // Earlier JavaFX did not support GraphicsContext::setImageSmoothing
+            // In order to prevent the blurring caused by bilinear interpolation,
+            // we use the self-implemented nearest neighbor interpolation to scale
+            drawAvatarSlow(g, skin, size, scale, faceOffset);
+        }
+    }
+
+    private static void drawAvatar(GraphicsContext g, Image skin, int size, int scale, int faceOffset) {
+        g.drawImage(skin,
+                8 * scale, 8 * scale, 8 * scale, 8 * scale,
+                faceOffset, faceOffset, size - 2 * faceOffset, size - 2 * faceOffset);
+        g.drawImage(skin,
+                40 * scale, 8 * scale, 8 * scale, 8 * scale,
+                0, 0, size, size);
+    }
+
+    private static void drawAvatarSlow(GraphicsContext g, Image skin, int size, int scale, int faceOffset) {
+        PixelReader reader = skin.getPixelReader();
+        PixelWriter writer = g.getPixelWriter();
+        drawImage(writer, reader,
+                8 * scale, 8 * scale, 8 * scale, 8 * scale,
+                faceOffset, faceOffset, size - 2 * faceOffset, size - 2 * faceOffset);
+        drawImage(writer, reader,
+                40 * scale, 8 * scale, 8 * scale, 8 * scale,
+                0, 0, size, size);
+    }
+
+    /*
+     * Scale and draw image using nearest-neighbor interpolation
+     */
+    private static void drawImage(PixelWriter writer, PixelReader reader,
+                                  int sx, int sy, int sw, int sh,
+                                  int dx, int dy, int dw, int dh) {
+        double xScale = ((double) sw) / dw;
+        double yScale = ((double) sh) / dh;
+
+        for (int xOffset = 0; xOffset < dw; xOffset++) {
+            for (int yOffset = 0; yOffset < dh; yOffset++) {
+                int color = reader.getArgb(sx + (int) (xOffset * xScale), sy + (int) (yOffset * yScale));
+
+                // Draw only non-transparent pixels
+                if ((color >>> 24) != 0)
+                    writer.setArgb(dx + xOffset, dy + yOffset, color);
+            }
+        }
+    }
+
+    private static final class SkinBindingChangeListener implements ChangeListener<LoadedTexture> {
+        static final WeakHashMap<Canvas, SkinBindingChangeListener> hole = new WeakHashMap<>();
+
+        final WeakReference<Canvas> canvasRef;
+        final ObjectBinding<LoadedTexture> binding;
+
+        SkinBindingChangeListener(Canvas canvas, ObjectBinding<LoadedTexture> binding) {
+            this.canvasRef = new WeakReference<>(canvas);
+            this.binding = binding;
+        }
+
+        @Override
+        public void changed(ObservableValue<? extends LoadedTexture> observable,
+                            LoadedTexture oldValue, LoadedTexture loadedTexture) {
+            Canvas canvas = canvasRef.get();
+            if (canvas != null)
+                drawAvatar(canvas, loadedTexture.image);
+        }
+    }
+
+    public static void fxAvatarBinding(Canvas canvas, ObjectBinding<LoadedTexture> skinBinding) {
+        synchronized (SkinBindingChangeListener.hole) {
+            SkinBindingChangeListener oldListener = SkinBindingChangeListener.hole.remove(canvas);
+            if (oldListener != null)
+                oldListener.binding.removeListener(oldListener);
+
+            SkinBindingChangeListener listener = new SkinBindingChangeListener(canvas, skinBinding);
+            listener.changed(skinBinding, null, skinBinding.get());
+            skinBinding.addListener(listener);
+
+            SkinBindingChangeListener.hole.put(canvas, listener);
+        }
+    }
+
+    public static void bindAvatar(Canvas canvas, YggdrasilService service, UUID uuid) {
+        fxAvatarBinding(canvas, skinBinding(service, uuid));
+    }
+
+    public static void bindAvatar(Canvas canvas, Account account) {
+        if (account instanceof YggdrasilAccount || account instanceof MicrosoftAccount)
+            fxAvatarBinding(canvas, skinBinding(account));
+        else {
+            unbindAvatar(canvas);
+            drawAvatar(canvas, getDefaultSkin(TextureModel.detectUUID(account.getUUID())).image);
+        }
+    }
+
+    public static void unbindAvatar(Canvas canvas) {
+        synchronized (SkinBindingChangeListener.hole) {
+            SkinBindingChangeListener oldListener = SkinBindingChangeListener.hole.remove(canvas);
+            if (oldListener != null)
+                oldListener.binding.removeListener(oldListener);
+        }
+    }
+    // ====
+}
@@ -1,7 +1,7 @@
 /*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2021  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
@@ -13,29 +13,53 @@
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 package org.jackhuang.hmcl.setting;

-import org.jackhuang.hmcl.Launcher;
-import org.jackhuang.hmcl.auth.Account;
-import org.jackhuang.hmcl.auth.AccountFactory;
-import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorAccount;
-import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorAccountFactory;
-import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorDownloader;
-import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorServer;
+import com.google.gson.reflect.TypeToken;
+import javafx.beans.InvalidationListener;
+import javafx.beans.Observable;
+import javafx.beans.property.ObjectProperty;
+import javafx.beans.property.SimpleObjectProperty;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import org.jackhuang.hmcl.Metadata;
+import org.jackhuang.hmcl.auth.*;
+import org.jackhuang.hmcl.auth.authlibinjector.*;
+import org.jackhuang.hmcl.auth.microsoft.MicrosoftAccount;
+import org.jackhuang.hmcl.auth.microsoft.MicrosoftAccountFactory;
+import org.jackhuang.hmcl.auth.microsoft.MicrosoftService;
 import org.jackhuang.hmcl.auth.offline.OfflineAccount;
 import org.jackhuang.hmcl.auth.offline.OfflineAccountFactory;
-import org.jackhuang.hmcl.auth.yggdrasil.MojangYggdrasilProvider;
+import org.jackhuang.hmcl.auth.yggdrasil.RemoteAuthenticationException;
 import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilAccount;
 import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilAccountFactory;
+import org.jackhuang.hmcl.game.OAuthServer;
+import org.jackhuang.hmcl.task.Schedulers;
+import org.jackhuang.hmcl.util.InvocationDispatcher;
+import org.jackhuang.hmcl.util.Lang;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.skin.InvalidSkinException;
+
+import javax.net.ssl.SSLException;
 import java.io.IOException;
-import java.util.Map;
+import java.io.Reader;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.*;
 import java.util.logging.Level;

+import static java.util.stream.Collectors.toList;
+import static javafx.collections.FXCollections.observableArrayList;
+import static org.jackhuang.hmcl.setting.ConfigHolder.config;
+import static org.jackhuang.hmcl.ui.FXUtils.onInvalidating;
+import static org.jackhuang.hmcl.util.Lang.immutableListOf;
 import static org.jackhuang.hmcl.util.Lang.mapOf;
 import static org.jackhuang.hmcl.util.Logging.LOG;
 import static org.jackhuang.hmcl.util.Pair.pair;
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;

 /**
 * @author huangyuhui
@@ -43,50 +67,424 @@ import static org.jackhuang.hmcl.util.Pair.pair;
 public final class Accounts {
    private Accounts() {}

-    public static final String OFFLINE_ACCOUNT_KEY = "offline";
-    public static final String YGGDRASIL_ACCOUNT_KEY = "yggdrasil";
-    public static final String AUTHLIB_INJECTOR_ACCOUNT_KEY = "authlibInjector";
-
-    public static final Map<String, AccountFactory<?>> ACCOUNT_FACTORY = mapOf(
-            pair(OFFLINE_ACCOUNT_KEY, OfflineAccountFactory.INSTANCE),
-            pair(YGGDRASIL_ACCOUNT_KEY, new YggdrasilAccountFactory(MojangYggdrasilProvider.INSTANCE)),
-            pair(AUTHLIB_INJECTOR_ACCOUNT_KEY, new AuthlibInjectorAccountFactory(
-                    new AuthlibInjectorDownloader(Launcher.HMCL_DIRECTORY.toPath(), () -> Settings.INSTANCE.getDownloadProvider())::getArtifactInfo,
-                    Accounts::getOrCreateAuthlibInjectorServer))
-    );
-
-    public static String getAccountType(Account account) {
-        if (account instanceof OfflineAccount) return OFFLINE_ACCOUNT_KEY;
-        else if (account instanceof AuthlibInjectorAccount) return AUTHLIB_INJECTOR_ACCOUNT_KEY;
-        else if (account instanceof YggdrasilAccount) return YGGDRASIL_ACCOUNT_KEY;
-        else return YGGDRASIL_ACCOUNT_KEY;
+    private static final AuthlibInjectorArtifactProvider AUTHLIB_INJECTOR_DOWNLOADER = createAuthlibInjectorArtifactProvider();
+    private static void triggerAuthlibInjectorUpdateCheck() {
+        if (AUTHLIB_INJECTOR_DOWNLOADER instanceof AuthlibInjectorDownloader) {
+            Schedulers.io().execute(() -> {
+                try {
+                    ((AuthlibInjectorDownloader) AUTHLIB_INJECTOR_DOWNLOADER).checkUpdate();
+                } catch (IOException e) {
+                    LOG.log(Level.WARNING, "Failed to check update for authlib-injector", e);
+                }
+            });
+        }
    }

-    static String getAccountId(Account account) {
-        return getAccountId(account.getUsername(), account.getCharacter());
+    public static final OAuthServer.Factory OAUTH_CALLBACK = new OAuthServer.Factory();
+
+    public static final OfflineAccountFactory FACTORY_OFFLINE = new OfflineAccountFactory(AUTHLIB_INJECTOR_DOWNLOADER);
+    public static final YggdrasilAccountFactory FACTORY_MOJANG = YggdrasilAccountFactory.MOJANG;
+    public static final AuthlibInjectorAccountFactory FACTORY_AUTHLIB_INJECTOR = new AuthlibInjectorAccountFactory(AUTHLIB_INJECTOR_DOWNLOADER, Accounts::getOrCreateAuthlibInjectorServer);
+    public static final MicrosoftAccountFactory FACTORY_MICROSOFT = new MicrosoftAccountFactory(new MicrosoftService(OAUTH_CALLBACK));
+    public static final List<AccountFactory<?>> FACTORIES = immutableListOf(FACTORY_OFFLINE, FACTORY_MOJANG, FACTORY_MICROSOFT, FACTORY_AUTHLIB_INJECTOR);
+
+    // ==== login type / account factory mapping ====
+    private static final Map<String, AccountFactory<?>> type2factory = new HashMap<>();
+    private static final Map<AccountFactory<?>, String> factory2type = new HashMap<>();
+    static {
+        type2factory.put("offline", FACTORY_OFFLINE);
+        type2factory.put("yggdrasil", FACTORY_MOJANG);
+        type2factory.put("authlibInjector", FACTORY_AUTHLIB_INJECTOR);
+        type2factory.put("microsoft", FACTORY_MICROSOFT);
+
+        type2factory.forEach((type, factory) -> factory2type.put(factory, type));
    }

-    static String getAccountId(String username, String character) {
-        return username + ":" + character;
+    public static String getLoginType(AccountFactory<?> factory) {
+        String type = factory2type.get(factory);
+        if (type != null) return type;
+
+        if (factory instanceof BoundAuthlibInjectorAccountFactory) {
+            return factory2type.get(FACTORY_AUTHLIB_INJECTOR);
+        }
+
+        throw new IllegalArgumentException("Unrecognized account factory");
+    }
+
+    public static AccountFactory<?> getAccountFactory(String loginType) {
+        return Optional.ofNullable(type2factory.get(loginType))
+                .orElseThrow(() -> new IllegalArgumentException("Unrecognized login type"));
+    }
+
+    public static BoundAuthlibInjectorAccountFactory getAccountFactoryByAuthlibInjectorServer(AuthlibInjectorServer server) {
+        return new BoundAuthlibInjectorAccountFactory(AUTHLIB_INJECTOR_DOWNLOADER, server);
+    }
+    // ====
+
+    public static AccountFactory<?> getAccountFactory(Account account) {
+        if (account instanceof OfflineAccount)
+            return FACTORY_OFFLINE;
+        else if (account instanceof AuthlibInjectorAccount)
+            return FACTORY_AUTHLIB_INJECTOR;
+        else if (account instanceof YggdrasilAccount)
+            return FACTORY_MOJANG;
+        else if (account instanceof MicrosoftAccount)
+            return FACTORY_MICROSOFT;
+        else
+            throw new IllegalArgumentException("Failed to determine account type: " + account);
+    }
+
+    private static final String GLOBAL_PREFIX = "$GLOBAL:";
+    private static final ObservableList<Map<Object, Object>> globalAccountStorages = FXCollections.observableArrayList();
+
+    private static final ObservableList<Account> accounts = observableArrayList(account -> new Observable[] { account });
+    private static final ObjectProperty<Account> selectedAccount = new SimpleObjectProperty<>(Accounts.class, "selectedAccount");
+
+    /**
+     * True if {@link #init()} hasn't been called.
+     */
+    private static boolean initialized = false;
+
+    private static Map<Object, Object> getAccountStorage(Account account) {
+        Map<Object, Object> storage = account.toStorage();
+        storage.put("type", getLoginType(getAccountFactory(account)));
+        return storage;
+    }
+
+    private static void updateAccountStorages() {
+        // don't update the underlying storage before data loading is completed
+        // otherwise it might cause data loss
+        if (!initialized)
+            return;
+        // update storage
+
+        ArrayList<Map<Object, Object>> global = new ArrayList<>();
+        ArrayList<Map<Object, Object>> portable = new ArrayList<>();
+
+        for (Account account : accounts) {
+            Map<Object, Object> storage = getAccountStorage(account);
+            if (account.isPortable())
+                portable.add(storage);
+            else
+                global.add(storage);
+        }
+
+        if (!global.equals(globalAccountStorages))
+            globalAccountStorages.setAll(global);
+        if (!portable.equals(config().getAccountStorages()))
+            config().getAccountStorages().setAll(portable);
+    }
+
+    @SuppressWarnings("unchecked")
+    private static void loadGlobalAccountStorages() {
+        Path globalAccountsFile = Metadata.HMCL_DIRECTORY.resolve("accounts.json");
+        if (Files.exists(globalAccountsFile)) {
+            try (Reader reader = Files.newBufferedReader(globalAccountsFile)) {
+                globalAccountStorages.setAll((List<Map<Object, Object>>)
+                        Config.CONFIG_GSON.fromJson(reader, new TypeToken<List<Map<Object, Object>>>() {
+                        }.getType()));
+            } catch (Throwable e) {
+                LOG.log(Level.WARNING, "Failed to load global accounts", e);
+            }
+        }
+
+        InvocationDispatcher<String> dispatcher = InvocationDispatcher.runOn(Lang::thread, json -> {
+            LOG.info("Saving global accounts");
+            synchronized (globalAccountsFile) {
+                try {
+                    synchronized (globalAccountsFile) {
+                        FileUtils.saveSafely(globalAccountsFile, json);
+                    }
+                } catch (IOException e) {
+                    LOG.log(Level.SEVERE, "Failed to save global accounts", e);
+                }
+            }
+        });
+
+        globalAccountStorages.addListener(onInvalidating(() ->
+                dispatcher.accept(Config.CONFIG_GSON.toJson(globalAccountStorages))));
+    }
+
+    private static Account parseAccount(Map<Object, Object> storage) {
+        AccountFactory<?> factory = type2factory.get(storage.get("type"));
+        if (factory == null) {
+            LOG.warning("Unrecognized account type: " + storage);
+            return null;
+        }
+
+        try {
+            return factory.fromStorage(storage);
+        } catch (Exception e) {
+            LOG.log(Level.WARNING, "Failed to load account: " + storage, e);
+            return null;
+        }
+    }
+
+    /**
+     * Called when it's ready to load accounts from {@link ConfigHolder#config()}.
+     */
+    static void init() {
+        if (initialized)
+            throw new IllegalStateException("Already initialized");
+
+        if (!config().isAddedLittleSkin()) {
+            AuthlibInjectorServer littleSkin = new AuthlibInjectorServer("https://littleskin.cn/api/yggdrasil/");
+
+            if (config().getAuthlibInjectorServers().stream().noneMatch(it -> littleSkin.getUrl().equals(it.getUrl()))) {
+                config().getAuthlibInjectorServers().add(0, littleSkin);
+            }
+
+            config().setAddedLittleSkin(true);
+        }
+
+        loadGlobalAccountStorages();
+
+        // load accounts
+        Account selected = null;
+        for (Map<Object, Object> storage : config().getAccountStorages()) {
+            Account account = parseAccount(storage);
+            if (account != null) {
+                account.setPortable(true);
+                accounts.add(account);
+                if (Boolean.TRUE.equals(storage.get("selected"))) {
+                    selected = account;
+                }
+            }
+        }
+
+        for (Map<Object, Object> storage : globalAccountStorages) {
+            Account account = parseAccount(storage);
+            if (account != null) {
+                accounts.add(account);
+            }
+        }
+
+        String selectedAccountIdentifier = config().getSelectedAccount();
+        if (selected == null && selectedAccountIdentifier != null) {
+            boolean portable = true;
+            if (selectedAccountIdentifier.startsWith(GLOBAL_PREFIX)) {
+                portable = false;
+                selectedAccountIdentifier = selectedAccountIdentifier.substring(GLOBAL_PREFIX.length());
+            }
+
+            for (Account account : accounts) {
+                if (selectedAccountIdentifier.equals(account.getIdentifier())) {
+                    if (portable == account.isPortable()) {
+                        selected = account;
+                        break;
+                    } else if (selected == null) {
+                        selected = account;
+                    }
+                }
+            }
+        }
+
+        if (selected == null && !accounts.isEmpty()) {
+            selected = accounts.get(0);
+        }
+
+        selectedAccount.set(selected);
+
+        InvalidationListener listener = o -> {
+            // this method first checks whether the current selection is valid
+            // if it's valid, the underlying storage will be updated
+            // otherwise, the first account will be selected as an alternative(or null if accounts is empty)
+            Account account = selectedAccount.get();
+            if (accounts.isEmpty()) {
+                if (account == null) {
+                    // valid
+                } else {
+                    // the previously selected account is gone, we can only set it to null here
+                    selectedAccount.set(null);
+                }
+            } else {
+                if (accounts.contains(account)) {
+                    // valid
+                } else {
+                    // the previously selected account is gone
+                    selectedAccount.set(accounts.get(0));
+                }
+            }
+        };
+        selectedAccount.addListener(listener);
+        selectedAccount.addListener(onInvalidating(() -> {
+            Account account = selectedAccount.get();
+            if (account != null)
+                config().setSelectedAccount(account.isPortable() ? account.getIdentifier() : GLOBAL_PREFIX + account.getIdentifier());
+            else
+                config().setSelectedAccount(null);
+        }));
+        accounts.addListener(listener);
+        accounts.addListener(onInvalidating(Accounts::updateAccountStorages));
+
+        initialized = true;
+
+        config().getAuthlibInjectorServers().addListener(onInvalidating(Accounts::removeDanglingAuthlibInjectorAccounts));
+
+        if (selected != null) {
+            Account finalSelected = selected;
+            Schedulers.io().execute(() -> {
+                try {
+                    finalSelected.logIn();
+                } catch (Throwable e) {
+                    LOG.log(Level.WARNING, "Failed to log " + finalSelected + " in", e);
+                }
+            });
+        }
+
+        triggerAuthlibInjectorUpdateCheck();
+
+        for (AuthlibInjectorServer server : config().getAuthlibInjectorServers()) {
+            if (selected instanceof AuthlibInjectorAccount && ((AuthlibInjectorAccount) selected).getServer() == server)
+                continue;
+            Schedulers.io().execute(() -> {
+                try {
+                    server.fetchMetadataResponse();
+                } catch (IOException e) {
+                    LOG.log(Level.WARNING, "Failed to fetch authlib-injector server metdata: " + server, e);
+                }
+            });
+        }
+    }
+
+    public static ObservableList<Account> getAccounts() {
+        return accounts;
+    }
+
+    public static Account getSelectedAccount() {
+        return selectedAccount.get();
+    }
+
+    public static void setSelectedAccount(Account selectedAccount) {
+        Accounts.selectedAccount.set(selectedAccount);
+    }
+
+    public static ObjectProperty<Account> selectedAccountProperty() {
+        return selectedAccount;
+    }
+
+    // ==== authlib-injector ====
+    private static AuthlibInjectorArtifactProvider createAuthlibInjectorArtifactProvider() {
+        String authlibinjectorLocation = System.getProperty("hmcl.authlibinjector.location");
+        if (authlibinjectorLocation == null) {
+            return new AuthlibInjectorDownloader(
+                    Metadata.HMCL_DIRECTORY.resolve("authlib-injector.jar"),
+                    DownloadProviders::getDownloadProvider) {
+                @Override
+                public Optional<AuthlibInjectorArtifactInfo> getArtifactInfoImmediately() {
+                    Optional<AuthlibInjectorArtifactInfo> local = super.getArtifactInfoImmediately();
+                    if (local.isPresent()) {
+                        return local;
+                    }
+                    // search authlib-injector.jar in current directory, it's used as a fallback
+                    return parseArtifact(Paths.get("authlib-injector.jar"));
+                }
+            };
+        } else {
+            LOG.info("Using specified authlib-injector: " + authlibinjectorLocation);
+            return new SimpleAuthlibInjectorArtifactProvider(Paths.get(authlibinjectorLocation));
+        }
    }

    private static AuthlibInjectorServer getOrCreateAuthlibInjectorServer(String url) {
-        return Settings.SETTINGS.authlibInjectorServers.stream()
+        return config().getAuthlibInjectorServers().stream()
                .filter(server -> url.equals(server.getUrl()))
                .findFirst()
                .orElseGet(() -> {
-                    // this usually happens when migrating data from an older version
-                    AuthlibInjectorServer server;
-                    try {
-                        server = AuthlibInjectorServer.fetchServerInfo(url);
-                        LOG.info("Migrated authlib injector server " + server);
-                    } catch (IOException e) {
-                        server = new AuthlibInjectorServer(url, url);
-                        LOG.log(Level.WARNING, "Failed to migrate authlib injector server " + url, e);
-                    }
-
-                    Settings.SETTINGS.authlibInjectorServers.add(server);
+                    AuthlibInjectorServer server = new AuthlibInjectorServer(url);
+                    config().getAuthlibInjectorServers().add(server);
                    return server;
                });
    }
+
+    /**
+     * After an {@link AuthlibInjectorServer} is removed, the associated accounts should also be removed.
+     * This method performs a check and removes the dangling accounts.
+     */
+    private static void removeDanglingAuthlibInjectorAccounts() {
+        accounts.stream()
+                .filter(AuthlibInjectorAccount.class::isInstance)
+                .map(AuthlibInjectorAccount.class::cast)
+                .filter(it -> !config().getAuthlibInjectorServers().contains(it.getServer()))
+                .collect(toList())
+                .forEach(accounts::remove);
+    }
+    // ====
+
+    // ==== Login type name i18n ===
+    private static final Map<AccountFactory<?>, String> unlocalizedLoginTypeNames = mapOf(
+            pair(Accounts.FACTORY_OFFLINE, "account.methods.offline"),
+            pair(Accounts.FACTORY_MOJANG, "account.methods.yggdrasil"),
+            pair(Accounts.FACTORY_AUTHLIB_INJECTOR, "account.methods.authlib_injector"),
+            pair(Accounts.FACTORY_MICROSOFT, "account.methods.microsoft"));
+
+    public static String getLocalizedLoginTypeName(AccountFactory<?> factory) {
+        return i18n(Optional.ofNullable(unlocalizedLoginTypeNames.get(factory))
+                .orElseThrow(() -> new IllegalArgumentException("Unrecognized account factory")));
+    }
+    // ====
+
+    public static String localizeErrorMessage(Exception exception) {
+        if (exception instanceof NoCharacterException) {
+            return i18n("account.failed.no_character");
+        } else if (exception instanceof ServerDisconnectException) {
+            if (exception.getCause() instanceof SSLException) {
+                return i18n("account.failed.ssl");
+            } else {
+                return i18n("account.failed.connect_authentication_server");
+            }
+        } else if (exception instanceof ServerResponseMalformedException) {
+            return i18n("account.failed.server_response_malformed");
+        } else if (exception instanceof RemoteAuthenticationException) {
+            RemoteAuthenticationException remoteException = (RemoteAuthenticationException) exception;
+            String remoteMessage = remoteException.getRemoteMessage();
+            if ("ForbiddenOperationException".equals(remoteException.getRemoteName()) && remoteMessage != null) {
+                if (remoteMessage.contains("Invalid credentials")) {
+                    return i18n("account.failed.invalid_credentials");
+                } else if (remoteMessage.contains("Invalid token")) {
+                    return i18n("account.failed.invalid_token");
+                } else if (remoteMessage.contains("Invalid username or password")) {
+                    return i18n("account.failed.invalid_password");
+                } else {
+                    return remoteMessage;
+                }
+            } else if ("ResourceException".equals(remoteException.getRemoteName()) && remoteMessage != null) {
+                if (remoteMessage.contains("The requested resource is no longer available")) {
+                    return i18n("account.failed.migration");
+                } else {
+                    return remoteMessage;
+                }
+            }
+            return exception.getMessage();
+        } else if (exception instanceof AuthlibInjectorDownloadException) {
+            return i18n("account.failed.injector_download_failure");
+        } else if (exception instanceof CharacterDeletedException) {
+            return i18n("account.failed.character_deleted");
+        } else if (exception instanceof InvalidSkinException) {
+            return i18n("account.skin.invalid_skin");
+        } else if (exception instanceof MicrosoftService.XboxAuthorizationException) {
+            long errorCode = ((MicrosoftService.XboxAuthorizationException) exception).getErrorCode();
+            if (errorCode == MicrosoftService.XboxAuthorizationException.ADD_FAMILY) {
+                return i18n("account.methods.microsoft.error.add_family");
+            } else if (errorCode == MicrosoftService.XboxAuthorizationException.COUNTRY_UNAVAILABLE) {
+                return i18n("account.methods.microsoft.error.country_unavailable");
+            } else if (errorCode == MicrosoftService.XboxAuthorizationException.MISSING_XBOX_ACCOUNT) {
+                return i18n("account.methods.microsoft.error.missing_xbox_account");
+            } else {
+                return i18n("account.methods.microsoft.error.unknown", errorCode);
+            }
+        } else if (exception instanceof MicrosoftService.NoMinecraftJavaEditionProfileException) {
+            return i18n("account.methods.microsoft.error.no_character");
+        } else if (exception instanceof MicrosoftService.NoXuiException) {
+            return i18n("account.methods.microsoft.error.add_family_probably");
+        } else if (exception instanceof OAuthServer.MicrosoftAuthenticationNotSupportedException) {
+            return i18n("account.methods.microsoft.snapshot");
+        } else if (exception instanceof OAuthAccount.WrongAccountException) {
+            return i18n("account.failed.wrong_account");
+        } else if (exception.getClass() == AuthenticationException.class) {
+            return exception.getLocalizedMessage();
+        } else {
+            return exception.getClass().getName() + ": " + exception.getLocalizedMessage();
+        }
+    }
 }
@@ -0,0 +1,97 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.setting;
+
+import com.google.gson.JsonParseException;
+import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorServer;
+import org.jackhuang.hmcl.task.Schedulers;
+import org.jackhuang.hmcl.task.Task;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.gson.TolerableValidationException;
+import org.jackhuang.hmcl.util.gson.Validation;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.io.JarUtils;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.CopyOnWriteArraySet;
+import java.util.logging.Level;
+
+import static org.jackhuang.hmcl.setting.ConfigHolder.config;
+import static org.jackhuang.hmcl.util.Logging.LOG;
+
+public final class AuthlibInjectorServers implements Validation {
+
+    public static final String CONFIG_FILENAME = "authlib-injectors.json";
+
+    private static final Set<AuthlibInjectorServer> servers = new CopyOnWriteArraySet<>();
+
+    public static Set<AuthlibInjectorServer> getServers() {
+        return servers;
+    }
+
+    private final List<String> urls;
+
+    private AuthlibInjectorServers(List<String> urls) {
+        this.urls = urls;
+    }
+
+    @Override
+    public void validate() throws JsonParseException, TolerableValidationException {
+        if (this.urls == null) {
+            throw new JsonParseException("authlib-injectors.json -> urls cannot be null.");
+        }
+    }
+
+    public static void init() {
+        Path configLocation;
+        Path jarPath = JarUtils.thisJarPath();
+        if (jarPath != null && Files.isRegularFile(jarPath) && Files.isWritable(jarPath)) {
+            configLocation = jarPath.getParent().resolve(CONFIG_FILENAME);
+        } else {
+            configLocation = Paths.get(CONFIG_FILENAME);
+        }
+
+        if (ConfigHolder.isNewlyCreated() && Files.exists(configLocation)) {
+            AuthlibInjectorServers configInstance;
+            try {
+                String content = FileUtils.readText(configLocation);
+                configInstance = JsonUtils.GSON.fromJson(content, AuthlibInjectorServers.class);
+            } catch (IOException | JsonParseException e) {
+                LOG.log(Level.WARNING, "Malformed authlib-injectors.json", e);
+                return;
+            }
+
+            if (!configInstance.urls.isEmpty()) {
+                config().setPreferredLoginType(Accounts.getLoginType(Accounts.FACTORY_AUTHLIB_INJECTOR));
+                for (String url : configInstance.urls) {
+                    Task.supplyAsync(Schedulers.io(), () -> AuthlibInjectorServer.locateServer(url))
+                            .thenAcceptAsync(Schedulers.javafx(), server -> {
+                                config().getAuthlibInjectorServers().add(server);
+                                servers.add(server);
+                            })
+                            .start();
+                }
+            }
+        }
+    }
+}
@@ -1,7 +1,7 @@
 /*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2021  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
@@ -13,99 +13,667 @@
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 package org.jackhuang.hmcl.setting;

-import java.util.Map;
-import java.util.TreeMap;
-
-import org.jackhuang.hmcl.Launcher;
-import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorServer;
-
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonParseException;
 import com.google.gson.annotations.SerializedName;
-
-import javafx.beans.property.BooleanProperty;
-import javafx.beans.property.DoubleProperty;
-import javafx.beans.property.IntegerProperty;
-import javafx.beans.property.SimpleBooleanProperty;
-import javafx.beans.property.SimpleDoubleProperty;
-import javafx.beans.property.SimpleIntegerProperty;
-import javafx.beans.property.SimpleStringProperty;
-import javafx.beans.property.StringProperty;
+import javafx.beans.InvalidationListener;
+import javafx.beans.Observable;
+import javafx.beans.property.*;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import javafx.collections.ObservableMap;
+import javafx.collections.ObservableSet;
+import org.hildan.fxgson.creators.ObservableListCreator;
+import org.hildan.fxgson.creators.ObservableMapCreator;
+import org.hildan.fxgson.creators.ObservableSetCreator;
+import org.hildan.fxgson.factories.JavaFxPropertyTypeAdapterFactory;
+import org.jackhuang.hmcl.Metadata;
+import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorServer;
+import org.jackhuang.hmcl.util.gson.EnumOrdinalDeserializer;
+import org.jackhuang.hmcl.util.gson.FileTypeAdapter;
+import org.jackhuang.hmcl.util.i18n.Locales;
+import org.jackhuang.hmcl.util.i18n.Locales.SupportedLocale;
+import org.jackhuang.hmcl.util.javafx.ObservableHelper;
+import org.jackhuang.hmcl.util.javafx.PropertyUtils;
+import org.jetbrains.annotations.Nullable;

-public final class Config implements Cloneable {
+import java.io.File;
+import java.net.Proxy;
+import java.util.Map;
+import java.util.TreeMap;
+
+public final class Config implements Cloneable, Observable {
+
+    public static final int CURRENT_UI_VERSION = 0;
+
+    public static final Gson CONFIG_GSON = new GsonBuilder()
+            .registerTypeAdapter(File.class, FileTypeAdapter.INSTANCE)
+            .registerTypeAdapter(ObservableList.class, new ObservableListCreator())
+            .registerTypeAdapter(ObservableSet.class, new ObservableSetCreator())
+            .registerTypeAdapter(ObservableMap.class, new ObservableMapCreator())
+            .registerTypeAdapterFactory(new JavaFxPropertyTypeAdapterFactory(true, true))
+            .registerTypeAdapter(EnumBackgroundImage.class, new EnumOrdinalDeserializer<>(EnumBackgroundImage.class)) // backward compatibility for backgroundType
+            .registerTypeAdapter(Proxy.Type.class, new EnumOrdinalDeserializer<>(Proxy.Type.class)) // backward compatibility for hasProxy
+            .setPrettyPrinting()
+            .create();
+
+    @Nullable
+    public static Config fromJson(String json) throws JsonParseException {
+        Config loaded = CONFIG_GSON.fromJson(json, Config.class);
+        if (loaded == null) {
+            return null;
+        }
+        Config instance = new Config();
+        PropertyUtils.copyProperties(loaded, instance);
+        return instance;
+    }

    @SerializedName("last")
-    public final StringProperty selectedProfile = new SimpleStringProperty("");
+    private StringProperty selectedProfile = new SimpleStringProperty("");

    @SerializedName("backgroundType")
-    public final IntegerProperty backgroundImageType = new SimpleIntegerProperty(0);
+    private ObjectProperty<EnumBackgroundImage> backgroundImageType = new SimpleObjectProperty<>(EnumBackgroundImage.DEFAULT);

    @SerializedName("bgpath")
-    public final StringProperty backgroundImage = new SimpleStringProperty();
+    private StringProperty backgroundImage = new SimpleStringProperty();
+
+    @SerializedName("bgurl")
+    private StringProperty backgroundImageUrl = new SimpleStringProperty();
+
+    @SerializedName("commonDirType")
+    private ObjectProperty<EnumCommonDirectory> commonDirType = new SimpleObjectProperty<>(EnumCommonDirectory.DEFAULT);

    @SerializedName("commonpath")
-    public final StringProperty commonDirectory = new SimpleStringProperty(Launcher.MINECRAFT_DIRECTORY.getAbsolutePath());
+    private StringProperty commonDirectory = new SimpleStringProperty(Metadata.MINECRAFT_DIRECTORY.toString());

    @SerializedName("hasProxy")
-    public final BooleanProperty hasProxy = new SimpleBooleanProperty();
+    private BooleanProperty hasProxy = new SimpleBooleanProperty();

    @SerializedName("hasProxyAuth")
-    public final BooleanProperty hasProxyAuth = new SimpleBooleanProperty();
+    private BooleanProperty hasProxyAuth = new SimpleBooleanProperty();

    @SerializedName("proxyType")
-    public final IntegerProperty proxyType = new SimpleIntegerProperty();
+    private ObjectProperty<Proxy.Type> proxyType = new SimpleObjectProperty<>(Proxy.Type.HTTP);

    @SerializedName("proxyHost")
-    public final StringProperty proxyHost = new SimpleStringProperty();
+    private StringProperty proxyHost = new SimpleStringProperty();

    @SerializedName("proxyPort")
-    public final StringProperty proxyPort = new SimpleStringProperty();
+    private IntegerProperty proxyPort = new SimpleIntegerProperty();

    @SerializedName("proxyUserName")
-    public final StringProperty proxyUser = new SimpleStringProperty();
+    private StringProperty proxyUser = new SimpleStringProperty();

    @SerializedName("proxyPassword")
-    public final StringProperty proxyPass = new SimpleStringProperty();
+    private StringProperty proxyPass = new SimpleStringProperty();
+
+    @SerializedName("x")
+    private DoubleProperty x = new SimpleDoubleProperty();
+
+    @SerializedName("y")
+    private DoubleProperty y = new SimpleDoubleProperty();
+
+    @SerializedName("width")
+    private DoubleProperty width = new SimpleDoubleProperty();
+
+    @SerializedName("height")
+    private DoubleProperty height = new SimpleDoubleProperty();

    @SerializedName("theme")
-    public final StringProperty theme = new SimpleStringProperty();
+    private ObjectProperty<Theme> theme = new SimpleObjectProperty<>();

    @SerializedName("localization")
-    public final StringProperty localization = new SimpleStringProperty();
+    private ObjectProperty<SupportedLocale> localization = new SimpleObjectProperty<>(Locales.DEFAULT);

-    @SerializedName("downloadtype")
-    public final IntegerProperty downloadType = new SimpleIntegerProperty(1);
+    @SerializedName("autoDownloadThreads")
+    private BooleanProperty autoDownloadThreads = new SimpleBooleanProperty(false);
+
+    @SerializedName("downloadThreads")
+    private IntegerProperty downloadThreads = new SimpleIntegerProperty(64);
+
+    @SerializedName("downloadType")
+    private StringProperty downloadType = new SimpleStringProperty("mcbbs");
+
+    @SerializedName("autoChooseDownloadType")
+    private BooleanProperty autoChooseDownloadType = new SimpleBooleanProperty(true);
+
+    @SerializedName("versionListSource")
+    private StringProperty versionListSource = new SimpleStringProperty("balanced");

    @SerializedName("configurations")
-    public final ObservableMap<String, Profile> configurations = FXCollections.observableMap(new TreeMap<>());
-
-    @SerializedName("accounts")
-    public final ObservableList<Map<Object, Object>> accounts = FXCollections.observableArrayList();
+    private SimpleMapProperty<String, Profile> configurations = new SimpleMapProperty<>(FXCollections.observableMap(new TreeMap<>()));

    @SerializedName("selectedAccount")
-    public final StringProperty selectedAccount = new SimpleStringProperty("");
+    private StringProperty selectedAccount = new SimpleStringProperty();
+
+    @SerializedName("accounts")
+    private ObservableList<Map<Object, Object>> accountStorages = FXCollections.observableArrayList();

    @SerializedName("fontFamily")
-    public final StringProperty fontFamily = new SimpleStringProperty("Consolas");
+    private StringProperty fontFamily = new SimpleStringProperty();

    @SerializedName("fontSize")
-    public final DoubleProperty fontSize = new SimpleDoubleProperty(12);
+    private DoubleProperty fontSize = new SimpleDoubleProperty(12);
+
+    @SerializedName("launcherFontFamily")
+    private StringProperty launcherFontFamily = new SimpleStringProperty();

    @SerializedName("logLines")
-    public final IntegerProperty logLines = new SimpleIntegerProperty(100);
+    private IntegerProperty logLines = new SimpleIntegerProperty(1000);

-    @SerializedName("firstLaunch")
-    public final BooleanProperty firstLaunch = new SimpleBooleanProperty(true);
+    @SerializedName("titleTransparent")
+    private BooleanProperty titleTransparent = new SimpleBooleanProperty(false);

-    public final ObservableList<AuthlibInjectorServer> authlibInjectorServers = FXCollections.observableArrayList();
+    @SerializedName("authlibInjectorServers")
+    private ObservableList<AuthlibInjectorServer> authlibInjectorServers = FXCollections.observableArrayList(server -> new Observable[] { server });
+
+    @SerializedName("addedLittleSkin")
+    private BooleanProperty addedLittleSkin = new SimpleBooleanProperty(false);
+
+    @SerializedName("promptedVersion")
+    private StringProperty promptedVersion = new SimpleStringProperty();
+
+    @SerializedName("_version")
+    private IntegerProperty configVersion = new SimpleIntegerProperty(0);
+
+    /**
+     * The version of UI that the user have last used.
+     * If there is a major change in UI, {@link Config#CURRENT_UI_VERSION} should be increased.
+     * When {@link #CURRENT_UI_VERSION} is higher than the property, the user guide should be shown,
+     * then this property is set to the same value as {@link #CURRENT_UI_VERSION}.
+     * In particular, the property is default to 0, so that whoever open the application for the first time will see the guide.
+     */
+    @SerializedName("uiVersion")
+    private IntegerProperty uiVersion = new SimpleIntegerProperty(0);
+
+    /**
+     * The preferred login type to use when the user wants to add an account.
+     */
+    @SerializedName("preferredLoginType")
+    private StringProperty preferredLoginType = new SimpleStringProperty();
+
+    @SerializedName("animationDisabled")
+    private BooleanProperty animationDisabled = new SimpleBooleanProperty();
+
+    @SerializedName("shownTips")
+    private ObservableMap<String, Object> shownTips = FXCollections.observableHashMap();
+
+    private transient ObservableHelper helper = new ObservableHelper(this);
+
+    public Config() {
+        PropertyUtils.attachListener(this, helper);
+    }
+
+    @Override
+    public void addListener(InvalidationListener listener) {
+        helper.addListener(listener);
+    }
+
+    @Override
+    public void removeListener(InvalidationListener listener) {
+        helper.removeListener(listener);
+    }
+
+    public String toJson() {
+        return CONFIG_GSON.toJson(this);
+    }

    @Override
    public Config clone() {
-        return Settings.GSON.fromJson(Settings.GSON.toJson(this), Config.class);
+        return fromJson(this.toJson());
+    }
+
+    // Getters & Setters & Properties
+    public String getSelectedProfile() {
+        return selectedProfile.get();
+    }
+
+    public void setSelectedProfile(String selectedProfile) {
+        this.selectedProfile.set(selectedProfile);
+    }
+
+    public StringProperty selectedProfileProperty() {
+        return selectedProfile;
+    }
+
+    public EnumBackgroundImage getBackgroundImageType() {
+        return backgroundImageType.get();
+    }
+
+    public void setBackgroundImageType(EnumBackgroundImage backgroundImageType) {
+        this.backgroundImageType.set(backgroundImageType);
+    }
+
+    public ObjectProperty<EnumBackgroundImage> backgroundImageTypeProperty() {
+        return backgroundImageType;
+    }
+
+    public String getBackgroundImage() {
+        return backgroundImage.get();
+    }
+
+    public void setBackgroundImage(String backgroundImage) {
+        this.backgroundImage.set(backgroundImage);
+    }
+
+    public StringProperty backgroundImageProperty() {
+        return backgroundImage;
+    }
+
+    public String getBackgroundImageUrl() {
+        return backgroundImageUrl.get();
+    }
+
+    public StringProperty backgroundImageUrlProperty() {
+        return backgroundImageUrl;
+    }
+
+    public void setBackgroundImageUrl(String backgroundImageUrl) {
+        this.backgroundImageUrl.set(backgroundImageUrl);
+    }
+
+    public EnumCommonDirectory getCommonDirType() {
+        return commonDirType.get();
+    }
+
+    public ObjectProperty<EnumCommonDirectory> commonDirTypeProperty() {
+        return commonDirType;
+    }
+
+    public void setCommonDirType(EnumCommonDirectory commonDirType) {
+        this.commonDirType.set(commonDirType);
+    }
+
+    public String getCommonDirectory() {
+        return commonDirectory.get();
+    }
+
+    public void setCommonDirectory(String commonDirectory) {
+        this.commonDirectory.set(commonDirectory);
+    }
+
+    public StringProperty commonDirectoryProperty() {
+        return commonDirectory;
+    }
+
+    public boolean hasProxy() {
+        return hasProxy.get();
+    }
+
+    public void setHasProxy(boolean hasProxy) {
+        this.hasProxy.set(hasProxy);
+    }
+
+    public BooleanProperty hasProxyProperty() {
+        return hasProxy;
+    }
+
+    public boolean hasProxyAuth() {
+        return hasProxyAuth.get();
+    }
+
+    public void setHasProxyAuth(boolean hasProxyAuth) {
+        this.hasProxyAuth.set(hasProxyAuth);
+    }
+
+    public BooleanProperty hasProxyAuthProperty() {
+        return hasProxyAuth;
+    }
+
+    public Proxy.Type getProxyType() {
+        return proxyType.get();
+    }
+
+    public void setProxyType(Proxy.Type proxyType) {
+        this.proxyType.set(proxyType);
+    }
+
+    public ObjectProperty<Proxy.Type> proxyTypeProperty() {
+        return proxyType;
+    }
+
+    public String getProxyHost() {
+        return proxyHost.get();
+    }
+
+    public void setProxyHost(String proxyHost) {
+        this.proxyHost.set(proxyHost);
+    }
+
+    public StringProperty proxyHostProperty() {
+        return proxyHost;
+    }
+
+    public int getProxyPort() {
+        return proxyPort.get();
+    }
+
+    public void setProxyPort(int proxyPort) {
+        this.proxyPort.set(proxyPort);
+    }
+
+    public IntegerProperty proxyPortProperty() {
+        return proxyPort;
+    }
+
+    public String getProxyUser() {
+        return proxyUser.get();
+    }
+
+    public void setProxyUser(String proxyUser) {
+        this.proxyUser.set(proxyUser);
+    }
+
+    public StringProperty proxyUserProperty() {
+        return proxyUser;
+    }
+
+    public String getProxyPass() {
+        return proxyPass.get();
+    }
+
+    public void setProxyPass(String proxyPass) {
+        this.proxyPass.set(proxyPass);
+    }
+
+    public StringProperty proxyPassProperty() {
+        return proxyPass;
+    }
+
+    public double getX() {
+        return x.get();
+    }
+
+    public DoubleProperty xProperty() {
+        return x;
+    }
+
+    public void setX(double height) {
+        this.x.set(height);
+    }
+
+    public double getY() {
+        return y.get();
+    }
+
+    public DoubleProperty yProperty() {
+        return y;
+    }
+
+    public void setY(double height) {
+        this.y.set(height);
+    }
+
+    public double getWidth() {
+        return width.get();
+    }
+
+    public DoubleProperty widthProperty() {
+        return width;
+    }
+
+    public void setWidth(double width) {
+        this.width.set(width);
+    }
+
+    public double getHeight() {
+        return height.get();
+    }
+
+    public DoubleProperty heightProperty() {
+        return height;
+    }
+
+    public void setHeight(double height) {
+        this.height.set(height);
+    }
+
+    public Theme getTheme() {
+        return theme.get();
+    }
+
+    public void setTheme(Theme theme) {
+        this.theme.set(theme);
+    }
+
+    public ObjectProperty<Theme> themeProperty() {
+        return theme;
+    }
+
+    public SupportedLocale getLocalization() {
+        return localization.get();
+    }
+
+    public void setLocalization(SupportedLocale localization) {
+        this.localization.set(localization);
+    }
+
+    public ObjectProperty<SupportedLocale> localizationProperty() {
+        return localization;
+    }
+
+    public boolean getAutoDownloadThreads() {
+        return autoDownloadThreads.get();
+    }
+
+    public BooleanProperty autoDownloadThreadsProperty() {
+        return autoDownloadThreads;
+    }
+
+    public void setAutoDownloadThreads(boolean autoDownloadThreads) {
+        this.autoDownloadThreads.set(autoDownloadThreads);
+    }
+
+    public int getDownloadThreads() {
+        return downloadThreads.get();
+    }
+
+    public IntegerProperty downloadThreadsProperty() {
+        return downloadThreads;
+    }
+
+    public void setDownloadThreads(int downloadThreads) {
+        this.downloadThreads.set(downloadThreads);
+    }
+
+    public String getDownloadType() {
+        return downloadType.get();
+    }
+
+    public void setDownloadType(String downloadType) {
+        this.downloadType.set(downloadType);
+    }
+
+    public StringProperty downloadTypeProperty() {
+        return downloadType;
+    }
+
+    public boolean isAutoChooseDownloadType() {
+        return autoChooseDownloadType.get();
+    }
+
+    public BooleanProperty autoChooseDownloadTypeProperty() {
+        return autoChooseDownloadType;
+    }
+
+    public void setAutoChooseDownloadType(boolean autoChooseDownloadType) {
+        this.autoChooseDownloadType.set(autoChooseDownloadType);
+    }
+
+    public String getVersionListSource() {
+        return versionListSource.get();
+    }
+
+    public void setVersionListSource(String versionListSource) {
+        this.versionListSource.set(versionListSource);
+    }
+
+    public StringProperty versionListSourceProperty() {
+        return versionListSource;
+    }
+
+    public MapProperty<String, Profile> getConfigurations() {
+        return configurations;
+    }
+
+    public String getSelectedAccount() {
+        return selectedAccount.get();
+    }
+
+    public void setSelectedAccount(String selectedAccount) {
+        this.selectedAccount.set(selectedAccount);
+    }
+
+    public StringProperty selectedAccountProperty() {
+        return selectedAccount;
+    }
+
+    public ObservableList<Map<Object, Object>> getAccountStorages() {
+        return accountStorages;
+    }
+
+    public String getFontFamily() {
+        return fontFamily.get();
+    }
+
+    public void setFontFamily(String fontFamily) {
+        this.fontFamily.set(fontFamily);
+    }
+
+    public StringProperty fontFamilyProperty() {
+        return fontFamily;
+    }
+
+    public double getFontSize() {
+        return fontSize.get();
+    }
+
+    public void setFontSize(double fontSize) {
+        this.fontSize.set(fontSize);
+    }
+
+    public DoubleProperty fontSizeProperty() {
+        return fontSize;
+    }
+
+    public String getLauncherFontFamily() {
+        return launcherFontFamily.get();
+    }
+
+    public StringProperty launcherFontFamilyProperty() {
+        return launcherFontFamily;
+    }
+
+    public void setLauncherFontFamily(String launcherFontFamily) {
+        this.launcherFontFamily.set(launcherFontFamily);
+    }
+
+    public int getLogLines() {
+        return logLines.get();
+    }
+
+    public void setLogLines(int logLines) {
+        this.logLines.set(logLines);
+    }
+
+    public IntegerProperty logLinesProperty() {
+        return logLines;
+    }
+
+    public ObservableList<AuthlibInjectorServer> getAuthlibInjectorServers() {
+        return authlibInjectorServers;
+    }
+
+    public boolean isAddedLittleSkin() {
+        return addedLittleSkin.get();
+    }
+
+    public BooleanProperty addedLittleSkinProperty() {
+        return addedLittleSkin;
+    }
+
+    public void setAddedLittleSkin(boolean addedLittleSkin) {
+        this.addedLittleSkin.set(addedLittleSkin);
+    }
+
+    public int getConfigVersion() {
+        return configVersion.get();
+    }
+
+    public IntegerProperty configVersionProperty() {
+        return configVersion;
+    }
+
+    public void setConfigVersion(int configVersion) {
+        this.configVersion.set(configVersion);
+    }
+
+    public int getUiVersion() {
+        return uiVersion.get();
+    }
+
+    public IntegerProperty uiVersionProperty() {
+        return uiVersion;
+    }
+
+    public void setUiVersion(int uiVersion) {
+        this.uiVersion.set(uiVersion);
+    }
+
+    public String getPreferredLoginType() {
+        return preferredLoginType.get();
+    }
+
+    public void setPreferredLoginType(String preferredLoginType) {
+        this.preferredLoginType.set(preferredLoginType);
+    }
+
+    public StringProperty preferredLoginTypeProperty() {
+        return preferredLoginType;
+    }
+
+    public boolean isAnimationDisabled() {
+        return animationDisabled.get();
+    }
+
+    public BooleanProperty animationDisabledProperty() {
+        return animationDisabled;
+    }
+
+    public void setAnimationDisabled(boolean animationDisabled) {
+        this.animationDisabled.set(animationDisabled);
+    }
+
+    public boolean isTitleTransparent() {
+        return titleTransparent.get();
+    }
+
+    public BooleanProperty titleTransparentProperty() {
+        return titleTransparent;
+    }
+
+    public void setTitleTransparent(boolean titleTransparent) {
+        this.titleTransparent.set(titleTransparent);
+    }
+
+    public String getPromptedVersion() {
+        return promptedVersion.get();
+    }
+
+    public StringProperty promptedVersionProperty() {
+        return promptedVersion;
+    }
+
+    public void setPromptedVersion(String promptedVersion) {
+        this.promptedVersion.set(promptedVersion);
+    }
+
+    public ObservableMap<String, Object> getShownTips() {
+        return shownTips;
    }
 }
@@ -0,0 +1,247 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.setting;
+
+import com.google.gson.JsonParseException;
+import org.jackhuang.hmcl.Metadata;
+import org.jackhuang.hmcl.util.InvocationDispatcher;
+import org.jackhuang.hmcl.util.Lang;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.io.JarUtils;
+import org.jackhuang.hmcl.util.platform.OperatingSystem;
+
+import java.io.IOException;
+import java.nio.file.*;
+import java.util.logging.Level;
+
+import static org.jackhuang.hmcl.util.Logging.LOG;
+
+public final class ConfigHolder {
+
+    private ConfigHolder() {
+    }
+
+    public static final String CONFIG_FILENAME = "hmcl.json";
+    public static final String CONFIG_FILENAME_LINUX = ".hmcl.json";
+    public static final Path GLOBAL_CONFIG_PATH = Metadata.HMCL_DIRECTORY.resolve("config.json");
+
+    private static Path configLocation;
+    private static Config configInstance;
+    private static GlobalConfig globalConfigInstance;
+    private static boolean newlyCreated;
+    private static boolean ownerChanged = false;
+
+    public static Config config() {
+        if (configInstance == null) {
+            throw new IllegalStateException("Configuration hasn't been loaded");
+        }
+        return configInstance;
+    }
+
+    public static GlobalConfig globalConfig() {
+        if (globalConfigInstance == null) {
+            throw new IllegalStateException("Configuration hasn't been loaded");
+        }
+        return globalConfigInstance;
+    }
+
+    public static Path configLocation() {
+        return configLocation;
+    }
+
+    public static boolean isNewlyCreated() {
+        return newlyCreated;
+    }
+
+    public static boolean isOwnerChanged() {
+        return ownerChanged;
+    }
+
+    public static void init() throws IOException {
+        if (configInstance != null) {
+            throw new IllegalStateException("Configuration is already loaded");
+        }
+
+        configLocation = locateConfig();
+
+        LOG.log(Level.INFO, "Config location: " + configLocation);
+
+        configInstance = loadConfig();
+        configInstance.addListener(source -> markConfigDirty());
+
+        globalConfigInstance = loadGlobalConfig();
+        globalConfigInstance.addListener(source -> markGlobalConfigDirty());
+
+        Settings.init();
+
+        if (newlyCreated) {
+            saveConfigSync();
+
+            // hide the config file on windows
+            if (OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS) {
+                try {
+                    Files.setAttribute(configLocation, "dos:hidden", true);
+                } catch (IOException e) {
+                    LOG.log(Level.WARNING, "Failed to set hidden attribute of " + configLocation, e);
+                }
+            }
+        }
+
+        if (!Files.isWritable(configLocation)) {
+            if (OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS
+                    && configLocation.getFileSystem() == FileSystems.getDefault()
+                    && configLocation.toFile().canWrite()) {
+                // There are some serious problems with the implementation of Samba or OpenJDK
+                throw new SambaException();
+            } else {
+                // the config cannot be saved
+                // throw up the error now to prevent further data loss
+                throw new IOException("Config at " + configLocation + " is not writable");
+            }
+        }
+    }
+
+    private static Path locateConfig() {
+        Path exePath = Paths.get("").toAbsolutePath();
+        try {
+            Path jarPath = JarUtils.thisJarPath();
+            if (jarPath != null && Files.isRegularFile(jarPath) && Files.isWritable(jarPath)) {
+                jarPath = jarPath.getParent();
+                exePath = jarPath;
+
+                Path config = jarPath.resolve(CONFIG_FILENAME);
+                if (Files.isRegularFile(config))
+                    return config;
+
+                Path dotConfig = jarPath.resolve(CONFIG_FILENAME_LINUX);
+                if (Files.isRegularFile(dotConfig))
+                    return dotConfig;
+            }
+
+        } catch (Throwable ignore) {
+        }
+
+        Path config = Paths.get(CONFIG_FILENAME);
+        if (Files.isRegularFile(config))
+            return config;
+
+        Path dotConfig = Paths.get(CONFIG_FILENAME_LINUX);
+        if (Files.isRegularFile(dotConfig))
+            return dotConfig;
+
+        // create new
+        return exePath.resolve(OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS ? CONFIG_FILENAME : CONFIG_FILENAME_LINUX);
+    }
+
+    private static Config loadConfig() throws IOException {
+        if (Files.exists(configLocation)) {
+            try {
+                if (OperatingSystem.CURRENT_OS != OperatingSystem.WINDOWS
+                        && "root".equals(System.getProperty("user.name"))
+                        && !"root".equals(Files.getOwner(configLocation).getName())) {
+                    ownerChanged = true;
+                }
+            } catch (IOException e1) {
+                LOG.log(Level.WARNING, "Failed to get owner");
+            }
+            try {
+                String content = FileUtils.readText(configLocation);
+                Config deserialized = Config.fromJson(content);
+                if (deserialized == null) {
+                    LOG.info("Config is empty");
+                } else {
+                    ConfigUpgrader.upgradeConfig(deserialized, content);
+                    return deserialized;
+                }
+            } catch (JsonParseException e) {
+                LOG.log(Level.WARNING, "Malformed config.", e);
+            }
+        }
+
+        LOG.info("Creating an empty config");
+        newlyCreated = true;
+        return new Config();
+    }
+
+    private static final InvocationDispatcher<String> configWriter = InvocationDispatcher.runOn(Lang::thread, content -> {
+        try {
+            writeToConfig(content);
+        } catch (IOException e) {
+            LOG.log(Level.SEVERE, "Failed to save config", e);
+        }
+    });
+
+    private static void writeToConfig(String content) throws IOException {
+        LOG.info("Saving config");
+        synchronized (configLocation) {
+            FileUtils.saveSafely(configLocation, content);
+        }
+    }
+
+    static void markConfigDirty() {
+        configWriter.accept(configInstance.toJson());
+    }
+
+    private static void saveConfigSync() throws IOException {
+        writeToConfig(configInstance.toJson());
+    }
+
+    // Global Config
+
+    private static GlobalConfig loadGlobalConfig() throws IOException {
+        if (Files.exists(GLOBAL_CONFIG_PATH)) {
+            try {
+                String content = FileUtils.readText(GLOBAL_CONFIG_PATH);
+                GlobalConfig deserialized = GlobalConfig.fromJson(content);
+                if (deserialized == null) {
+                    LOG.info("Config is empty");
+                } else {
+                    return deserialized;
+                }
+            } catch (JsonParseException e) {
+                LOG.log(Level.WARNING, "Malformed config.", e);
+            }
+        }
+
+        LOG.info("Creating an empty global config");
+        return new GlobalConfig();
+    }
+
+    private static final InvocationDispatcher<String> globalConfigWriter = InvocationDispatcher.runOn(Lang::thread, content -> {
+        try {
+            writeToGlobalConfig(content);
+        } catch (IOException e) {
+            LOG.log(Level.SEVERE, "Failed to save config", e);
+        }
+    });
+
+    private static void writeToGlobalConfig(String content) throws IOException {
+        LOG.info("Saving global config");
+        synchronized (GLOBAL_CONFIG_PATH) {
+            FileUtils.saveSafely(GLOBAL_CONFIG_PATH, content);
+        }
+    }
+
+    static void markGlobalConfigDirty() {
+        globalConfigWriter.accept(globalConfigInstance.toJson());
+    }
+
+    private static void saveGlobalConfigSync() throws IOException {
+        writeToConfig(globalConfigInstance.toJson());
+    }
+}
@@ -0,0 +1,139 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.setting;
+
+import com.google.gson.Gson;
+import org.jackhuang.hmcl.ui.Controllers;
+import org.jackhuang.hmcl.util.Lang;
+import org.jackhuang.hmcl.util.Pair;
+import org.jackhuang.hmcl.util.StringUtils;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.function.BiConsumer;
+import java.util.logging.Level;
+
+import static org.jackhuang.hmcl.util.Lang.tryCast;
+import static org.jackhuang.hmcl.util.Logging.LOG;
+
+final class ConfigUpgrader {
+    private ConfigUpgrader() {
+    }
+
+    private static final int CURRENT_VERSION = 2;
+
+    /**
+     * This method is for the compatibility with old HMCL versions.
+     *
+     * @param deserialized deserialized config settings
+     * @param rawContent   raw json content of the config settings without modification
+     */
+    static void upgradeConfig(Config deserialized, String rawContent) {
+        if (deserialized.getConfigVersion() == CURRENT_VERSION) {
+            return;
+        }
+
+        int configVersion = deserialized.getConfigVersion();
+        if (configVersion > CURRENT_VERSION) {
+            LOG.log(Level.WARNING, String.format("Current HMCL only support the configuration version up to %d. However, the version now is %d.", CURRENT_VERSION, configVersion));
+            return;
+        }
+
+        LOG.log(Level.INFO, String.format("Updating configuration from %d to %d.", configVersion, CURRENT_VERSION));
+        Map<?, ?> unmodifiableRawJson = Collections.unmodifiableMap(new Gson().<Map<?, ?>>fromJson(rawContent, Map.class));
+        for (Map.Entry<Integer, BiConsumer<Config, Map<?, ?>>> dfu : collectDFU()) {
+            if (configVersion < dfu.getKey()) {
+                dfu.getValue().accept(deserialized, unmodifiableRawJson);
+                configVersion = dfu.getKey();
+            }
+        }
+
+        deserialized.setConfigVersion(CURRENT_VERSION);
+    }
+
+    /**
+     * <p>Initialize the dfu of HMCL. Feel free to use lambda as all the lambda here would not be initialized unless HMCL needs to update the configuration.
+     * For each item in this list, it should be a Map.Entry.</p>
+     *
+     * <p>The key should be a version number. All the configuration with a version number which is less than the specific one will be applied to this upgrader.</p>
+     * <p>The value should be the upgrader. The configuration which is waited to being processed, and the raw unmodifiable value of the json from the configuration file.</p>
+     * <p>The return value should a target version number of this item.</p>
+     *
+     * <p>The last item must return CURRENT_VERSION, as the config file should always being updated to the latest version.</p>
+     */
+    private static List<Map.Entry<Integer, BiConsumer<Config, Map<?, ?>>>> collectDFU() {
+        List<Map.Entry<Integer, BiConsumer<Config, Map<?, ?>>>> dfu = Lang.immutableListOf(
+                Pair.pair(1, (deserialized, rawJson) -> {
+                    // Upgrade configuration of HMCL 2.x: Convert OfflineAccounts whose stored uuid is important.
+                    tryCast(rawJson.get("auth"), Map.class).ifPresent(auth -> {
+                        tryCast(auth.get("offline"), Map.class).ifPresent(offline -> {
+                            String selected = rawJson.containsKey("selectedAccount") ? null
+                                    : tryCast(offline.get("IAuthenticator_UserName"), String.class).orElse(null);
+
+                            tryCast(offline.get("uuidMap"), Map.class).ifPresent(uuidMap -> {
+                                ((Map<?, ?>) uuidMap).forEach((key, value) -> {
+                                    Map<Object, Object> storage = new HashMap<>();
+                                    storage.put("type", "offline");
+                                    storage.put("username", key);
+                                    storage.put("uuid", value);
+                                    if (key.equals(selected)) {
+                                        storage.put("selected", true);
+                                    }
+                                    deserialized.getAccountStorages().add(storage);
+                                });
+                            });
+                        });
+                    });
+
+                    // Upgrade configuration of HMCL earlier than 3.1.70
+                    if (!rawJson.containsKey("commonDirType"))
+                        deserialized.setCommonDirType(deserialized.getCommonDirectory().equals(Settings.getDefaultCommonDirectory()) ? EnumCommonDirectory.DEFAULT : EnumCommonDirectory.CUSTOM);
+                    if (!rawJson.containsKey("backgroundType"))
+                        deserialized.setBackgroundImageType(StringUtils.isNotBlank(deserialized.getBackgroundImage()) ? EnumBackgroundImage.CUSTOM : EnumBackgroundImage.DEFAULT);
+                    if (!rawJson.containsKey("hasProxy"))
+                        deserialized.setHasProxy(StringUtils.isNotBlank(deserialized.getProxyHost()));
+                    if (!rawJson.containsKey("hasProxyAuth"))
+                        deserialized.setHasProxyAuth(StringUtils.isNotBlank(deserialized.getProxyUser()));
+
+                    if (!rawJson.containsKey("downloadType")) {
+                        tryCast(rawJson.get("downloadtype"), Number.class)
+                                .map(Number::intValue)
+                                .ifPresent(id -> {
+                                    if (id == 0) {
+                                        deserialized.setDownloadType("mojang");
+                                    } else if (id == 1) {
+                                        deserialized.setDownloadType("bmclapi");
+                                    }
+                                });
+                    }
+                }),
+                Pair.pair(2, (deserialized, rawJson) -> {
+                    deserialized.setX(0.5D - deserialized.getWidth() / Controllers.SCREEN.getBounds().getWidth() / 2);
+                    deserialized.setY(0.5D - deserialized.getHeight() / Controllers.SCREEN.getBounds().getHeight() / 2);
+                })
+        );
+
+        if (dfu.get(dfu.size() - 1).getKey() != CURRENT_VERSION) {
+            throw new IllegalStateException("The last dfu must adapt all the config version below CURRENT_VERSION");
+        }
+
+        return dfu;
+    }
+}
@@ -1,7 +1,7 @@
 /*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2021  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
@@ -13,24 +13,160 @@
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 package org.jackhuang.hmcl.setting;

-import org.jackhuang.hmcl.download.BMCLAPIDownloadProvider;
-import org.jackhuang.hmcl.download.CurseCDNDownloadProvider;
-import org.jackhuang.hmcl.download.DownloadProvider;
-import org.jackhuang.hmcl.download.MojangDownloadProvider;
-import org.jackhuang.hmcl.util.Lang;
+import javafx.beans.InvalidationListener;
+import org.jackhuang.hmcl.download.*;
+import org.jackhuang.hmcl.task.DownloadException;
+import org.jackhuang.hmcl.task.FetchTask;
+import org.jackhuang.hmcl.ui.FXUtils;
+import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.i18n.I18n;
+import org.jackhuang.hmcl.util.io.ResponseCodeException;

-import java.util.List;
+import javax.net.ssl.SSLHandshakeException;
+import java.io.FileNotFoundException;
+import java.net.SocketTimeoutException;
+import java.net.URL;
+import java.nio.file.AccessDeniedException;
+import java.util.Arrays;
+import java.util.Map;
+import java.util.Optional;
+import java.util.concurrent.CancellationException;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static org.jackhuang.hmcl.setting.ConfigHolder.config;
+import static org.jackhuang.hmcl.task.FetchTask.DEFAULT_CONCURRENCY;
+import static org.jackhuang.hmcl.util.Lang.mapOf;
+import static org.jackhuang.hmcl.util.Pair.pair;
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;

 public final class DownloadProviders {
    private DownloadProviders() {}

-    public static final List<DownloadProvider> DOWNLOAD_PROVIDERS = Lang.immutableListOf(new MojangDownloadProvider(), BMCLAPIDownloadProvider.INSTANCE, CurseCDNDownloadProvider.INSTANCE);
+    private static DownloadProvider currentDownloadProvider;

-    public static DownloadProvider getDownloadProvider(int index) {
-        return Lang.get(DOWNLOAD_PROVIDERS, index).orElse(DOWNLOAD_PROVIDERS.get(0));
+    public static final Map<String, DownloadProvider> providersById;
+    public static final Map<String, DownloadProvider> rawProviders;
+    private static final AdaptedDownloadProvider fileDownloadProvider = new AdaptedDownloadProvider();
+
+    private static final MojangDownloadProvider MOJANG;
+    private static final BMCLAPIDownloadProvider BMCLAPI;
+    private static final BMCLAPIDownloadProvider MCBBS;
+
+    public static final String DEFAULT_PROVIDER_ID = "balanced";
+    public static final String DEFAULT_RAW_PROVIDER_ID = "mcbbs";
+
+    private static final InvalidationListener observer;
+
+    static {
+        String bmclapiRoot = "https://bmclapi2.bangbang93.com";
+        String bmclapiRootOverride = System.getProperty("hmcl.bmclapi.override");
+        if (bmclapiRootOverride != null) bmclapiRoot = bmclapiRootOverride;
+
+        MOJANG = new MojangDownloadProvider();
+        BMCLAPI = new BMCLAPIDownloadProvider(bmclapiRoot);
+        MCBBS = new BMCLAPIDownloadProvider("https://download.mcbbs.net");
+        rawProviders = mapOf(
+                pair("mojang", MOJANG),
+                pair("bmclapi", BMCLAPI),
+                pair("mcbbs", MCBBS)
+        );
+
+        AdaptedDownloadProvider fileProvider = new AdaptedDownloadProvider();
+        fileProvider.setDownloadProviderCandidates(Arrays.asList(MCBBS, BMCLAPI, MOJANG));
+        BalancedDownloadProvider balanced = new BalancedDownloadProvider(MOJANG, MCBBS, BMCLAPI);
+
+        providersById = mapOf(
+                pair("official", new AutoDownloadProvider(MOJANG, fileProvider)),
+                pair("balanced", new AutoDownloadProvider(balanced, fileProvider)),
+                pair("mirror", new AutoDownloadProvider(MCBBS, fileProvider)));
+
+        observer = FXUtils.observeWeak(() -> {
+            FetchTask.setDownloadExecutorConcurrency(
+                    config().getAutoDownloadThreads() ? DEFAULT_CONCURRENCY : config().getDownloadThreads());
+        }, config().autoDownloadThreadsProperty(), config().downloadThreadsProperty());
+    }
+
+    static void init() {
+        FXUtils.onChangeAndOperate(config().versionListSourceProperty(), versionListSource -> {
+            if (!providersById.containsKey(versionListSource)) {
+                config().setVersionListSource(DEFAULT_PROVIDER_ID);
+                return;
+            }
+
+            currentDownloadProvider = Optional.ofNullable(providersById.get(versionListSource))
+                    .orElse(providersById.get(DEFAULT_PROVIDER_ID));
+        });
+
+        FXUtils.onChangeAndOperate(config().downloadTypeProperty(), downloadType -> {
+            if (!rawProviders.containsKey(downloadType)) {
+                config().setDownloadType(DEFAULT_RAW_PROVIDER_ID);
+                return;
+            }
+
+            DownloadProvider primary = Optional.ofNullable(rawProviders.get(downloadType))
+                    .orElse(rawProviders.get(DEFAULT_RAW_PROVIDER_ID));
+            fileDownloadProvider.setDownloadProviderCandidates(
+                    Stream.concat(
+                            Stream.of(primary),
+                            rawProviders.values().stream().filter(x -> x != primary)
+                    ).collect(Collectors.toList())
+            );
+        });
+    }
+
+    public static String getPrimaryDownloadProviderId() {
+        String downloadType = config().getDownloadType();
+        if (providersById.containsKey(downloadType))
+            return downloadType;
+        else
+            return DEFAULT_PROVIDER_ID;
+    }
+
+    public static DownloadProvider getDownloadProviderByPrimaryId(String primaryId) {
+        return Optional.ofNullable(providersById.get(primaryId))
+                .orElse(providersById.get(DEFAULT_PROVIDER_ID));
+    }
+
+    /**
+     * Get current primary preferred download provider
+     */
+    public static DownloadProvider getDownloadProvider() {
+        return config().isAutoChooseDownloadType() ? currentDownloadProvider : fileDownloadProvider;
+    }
+
+    public static String localizeErrorMessage(Throwable exception) {
+        if (exception instanceof DownloadException) {
+            URL url = ((DownloadException) exception).getUrl();
+            if (exception.getCause() instanceof SocketTimeoutException) {
+                return i18n("install.failed.downloading.timeout", url);
+            } else if (exception.getCause() instanceof ResponseCodeException) {
+                ResponseCodeException responseCodeException = (ResponseCodeException) exception.getCause();
+                if (I18n.hasKey("download.code." + responseCodeException.getResponseCode())) {
+                    return i18n("download.code." + responseCodeException.getResponseCode(), url);
+                } else {
+                    return i18n("install.failed.downloading.detail", url) + "\n" + StringUtils.getStackTrace(exception.getCause());
+                }
+            } else if (exception.getCause() instanceof FileNotFoundException) {
+                return i18n("download.code.404", url);
+            } else if (exception.getCause() instanceof AccessDeniedException) {
+                return i18n("install.failed.downloading.detail", url) + "\n" + i18n("exception.access_denied", ((AccessDeniedException) exception.getCause()).getFile());
+            } else if (exception.getCause() instanceof ArtifactMalformedException) {
+                return i18n("install.failed.downloading.detail", url) + "\n" + i18n("exception.artifact_malformed");
+            } else if (exception.getCause() instanceof SSLHandshakeException) {
+                return i18n("install.failed.downloading.detail", url) + "\n" + i18n("exception.ssl_handshake");
+            } else {
+                return i18n("install.failed.downloading.detail", url) + "\n" + StringUtils.getStackTrace(exception.getCause());
+            }
+        } else if (exception instanceof ArtifactMalformedException) {
+            return i18n("exception.artifact_malformed");
+        } else if (exception instanceof CancellationException) {
+            return i18n("message.cancelled");
+        }
+        return StringUtils.getStackTrace(exception);
    }
 }
@@ -1,6 +1,6 @@
 /*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
@@ -13,18 +13,14 @@
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 package org.jackhuang.hmcl.setting;

 public enum EnumBackgroundImage {
    DEFAULT,
-    CUSTOM;
-
-    public static EnumBackgroundImage indexOf(int index) {
-        if (index >= values().length || index < 0)
-            return DEFAULT;
-        else
-            return values()[index];
-    }
+    CUSTOM,
+    CLASSIC,
+    NETWORK,
+    TRANSLUCENT
 }
@@ -1,7 +1,7 @@
 /*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
@@ -13,16 +13,17 @@
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 package org.jackhuang.hmcl.setting;

-import javafx.scene.text.Font;
-
-import java.util.List;
-
-public final class Fonts {
-    private Fonts() {}
-
-    public static final List<String> FONTS = Font.getFamilies();
+public enum EnumCommonDirectory {
+    /**
+     * %appdata%/.minecraft or ~/.minecraft
+     */
+    DEFAULT,
+    /**
+     * user customized common directory.
+     */
+    CUSTOM
 }
@@ -0,0 +1,181 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2021  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.setting;
+
+import com.google.gson.*;
+import com.google.gson.annotations.JsonAdapter;
+import javafx.beans.InvalidationListener;
+import javafx.beans.Observable;
+import javafx.beans.property.BooleanProperty;
+import javafx.beans.property.IntegerProperty;
+import javafx.beans.property.SimpleBooleanProperty;
+import javafx.beans.property.SimpleIntegerProperty;
+import org.jackhuang.hmcl.util.javafx.ObservableHelper;
+import org.jackhuang.hmcl.util.javafx.PropertyUtils;
+import org.jetbrains.annotations.Nullable;
+
+import java.lang.reflect.Type;
+import java.util.*;
+
+@JsonAdapter(GlobalConfig.Serializer.class)
+public class GlobalConfig implements Cloneable, Observable {
+
+    @Nullable
+    public static GlobalConfig fromJson(String json) throws JsonParseException {
+        GlobalConfig loaded = Config.CONFIG_GSON.fromJson(json, GlobalConfig.class);
+        if (loaded == null) {
+            return null;
+        }
+        GlobalConfig instance = new GlobalConfig();
+        PropertyUtils.copyProperties(loaded, instance);
+        instance.unknownFields.putAll(loaded.unknownFields);
+        return instance;
+    }
+
+    private IntegerProperty agreementVersion = new SimpleIntegerProperty();
+
+    private IntegerProperty platformPromptVersion = new SimpleIntegerProperty();
+
+    private BooleanProperty multiplayerRelay = new SimpleBooleanProperty();
+
+    private IntegerProperty multiplayerAgreementVersion = new SimpleIntegerProperty(0);
+
+    private final Map<String, Object> unknownFields = new HashMap<>();
+
+    private transient ObservableHelper helper = new ObservableHelper(this);
+
+    public GlobalConfig() {
+        PropertyUtils.attachListener(this, helper);
+    }
+
+    @Override
+    public void addListener(InvalidationListener listener) {
+        helper.addListener(listener);
+    }
+
+    @Override
+    public void removeListener(InvalidationListener listener) {
+        helper.removeListener(listener);
+    }
+
+    public String toJson() {
+        return Config.CONFIG_GSON.toJson(this);
+    }
+
+    @Override
+    public GlobalConfig clone() {
+        return fromJson(this.toJson());
+    }
+
+    public int getAgreementVersion() {
+        return agreementVersion.get();
+    }
+
+    public IntegerProperty agreementVersionProperty() {
+        return agreementVersion;
+    }
+
+    public void setAgreementVersion(int agreementVersion) {
+        this.agreementVersion.set(agreementVersion);
+    }
+
+    public int getPlatformPromptVersion() {
+        return platformPromptVersion.get();
+    }
+
+    public IntegerProperty platformPromptVersionProperty() {
+        return platformPromptVersion;
+    }
+
+    public void setPlatformPromptVersion(int platformPromptVersion) {
+        this.platformPromptVersion.set(platformPromptVersion);
+    }
+
+    public boolean isMultiplayerRelay() {
+        return multiplayerRelay.get();
+    }
+
+    public BooleanProperty multiplayerRelayProperty() {
+        return multiplayerRelay;
+    }
+
+    public void setMultiplayerRelay(boolean multiplayerRelay) {
+        this.multiplayerRelay.set(multiplayerRelay);
+    }
+
+    public int getMultiplayerAgreementVersion() {
+        return multiplayerAgreementVersion.get();
+    }
+
+    public IntegerProperty multiplayerAgreementVersionProperty() {
+        return multiplayerAgreementVersion;
+    }
+
+    public void setMultiplayerAgreementVersion(int multiplayerAgreementVersion) {
+        this.multiplayerAgreementVersion.set(multiplayerAgreementVersion);
+    }
+
+    public static class Serializer implements JsonSerializer<GlobalConfig>, JsonDeserializer<GlobalConfig> {
+        private static final Set<String> knownFields = new HashSet<>(Arrays.asList(
+                "agreementVersion",
+                "platformPromptVersion",
+                "multiplayerToken",
+                "multiplayerRelay",
+                "multiplayerAgreementVersion"
+        ));
+
+        @Override
+        public JsonElement serialize(GlobalConfig src, Type typeOfSrc, JsonSerializationContext context) {
+            if (src == null) {
+                return JsonNull.INSTANCE;
+            }
+
+            JsonObject jsonObject = new JsonObject();
+            jsonObject.add("agreementVersion", context.serialize(src.getAgreementVersion()));
+            jsonObject.add("platformPromptVersion", context.serialize(src.getPlatformPromptVersion()));
+            jsonObject.add("multiplayerRelay", context.serialize(src.isMultiplayerRelay()));
+            jsonObject.add("multiplayerAgreementVersion", context.serialize(src.getMultiplayerAgreementVersion()));
+            for (Map.Entry<String, Object> entry : src.unknownFields.entrySet()) {
+                jsonObject.add(entry.getKey(), context.serialize(entry.getValue()));
+            }
+
+            return jsonObject;
+        }
+
+        @Override
+        public GlobalConfig deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
+            if (!(json instanceof JsonObject)) return null;
+
+            JsonObject obj = (JsonObject) json;
+
+            GlobalConfig config = new GlobalConfig();
+            config.setAgreementVersion(Optional.ofNullable(obj.get("agreementVersion")).map(JsonElement::getAsInt).orElse(0));
+            config.setPlatformPromptVersion(Optional.ofNullable(obj.get("platformPromptVersion")).map(JsonElement::getAsInt).orElse(0));
+            config.setMultiplayerRelay(Optional.ofNullable(obj.get("multiplayerRelay")).map(JsonElement::getAsBoolean).orElse(false));
+            config.setMultiplayerAgreementVersion(Optional.ofNullable(obj.get("multiplayerAgreementVersion")).map(JsonElement::getAsInt).orElse(0));
+
+            for (Map.Entry<String, JsonElement> entry : obj.entrySet()) {
+                if (!knownFields.contains(entry.getKey())) {
+                    config.unknownFields.put(entry.getKey(), context.deserialize(entry.getValue(), Object.class));
+                }
+            }
+
+            return config;
+        }
+    }
+}
@@ -0,0 +1,164 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2021  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.setting;
+
+import com.google.gson.annotations.SerializedName;
+import javafx.beans.property.ObjectProperty;
+import javafx.beans.property.SimpleObjectProperty;
+import org.jackhuang.hmcl.auth.OAuth;
+import org.jackhuang.hmcl.task.Schedulers;
+import org.jackhuang.hmcl.task.Task;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.gson.UUIDTypeAdapter;
+import org.jackhuang.hmcl.util.io.HttpRequest;
+import org.jackhuang.hmcl.util.io.NetworkUtils;
+
+import java.util.UUID;
+
+import static org.jackhuang.hmcl.util.Lang.mapOf;
+import static org.jackhuang.hmcl.util.Pair.pair;
+
+public final class HMCLAccounts {
+
+    private static final ObjectProperty<HMCLAccount> account = new SimpleObjectProperty<>();
+
+    private HMCLAccounts() {
+    }
+
+    public static HMCLAccount getAccount() {
+        return account.get();
+    }
+
+    public static ObjectProperty<HMCLAccount> accountProperty() {
+        return account;
+    }
+
+    public static void setAccount(HMCLAccount account) {
+        HMCLAccounts.account.set(account);
+    }
+
+    public static Task<Void> login() {
+        String nonce = UUIDTypeAdapter.fromUUID(UUID.randomUUID());
+        String scope = "openid offline_access";
+
+        return Task.supplyAsync(() -> {
+            OAuth.Session session = Accounts.OAUTH_CALLBACK.startServer();
+            Accounts.OAUTH_CALLBACK.openBrowser(NetworkUtils.withQuery(
+                    "https://login.microsoftonline.com/common/oauth2/v2.0/authorize",
+                    mapOf(
+                            pair("client_id", Accounts.OAUTH_CALLBACK.getClientId()),
+                            pair("response_type", "id_token code"),
+                            pair("response_mode", "form_post"),
+                            pair("scope", scope),
+                            pair("redirect_uri", session.getRedirectURI()),
+                            pair("nonce", nonce)
+                    )));
+            String code = session.waitFor();
+
+            // Authorization Code -> Token
+            String responseText = HttpRequest.POST("https://login.microsoftonline.com/common/oauth2/v2.0/token")
+                    .form(mapOf(pair("client_id", Accounts.OAUTH_CALLBACK.getClientId()), pair("code", code),
+                            pair("grant_type", "authorization_code"), pair("client_secret", Accounts.OAUTH_CALLBACK.getClientSecret()),
+                            pair("redirect_uri", session.getRedirectURI()), pair("scope", scope)))
+                    .getString();
+            OAuth.AuthorizationResponse response = JsonUtils.fromNonNullJson(responseText,
+                    OAuth.AuthorizationResponse.class);
+
+            HMCLAccountProfile profile = HttpRequest.GET("https://hmcl.huangyuhui.net/api/user")
+                    .header("Token-Type", response.tokenType)
+                    .header("Access-Token", response.accessToken)
+                    .header("Authorization-Provider", "microsoft")
+                    .authorization("Bearer", session.getIdToken())
+                    .getJson(HMCLAccountProfile.class);
+
+            return new HMCLAccount("microsoft", profile.nickname, profile.email, profile.role, session.getIdToken(), response.tokenType, response.accessToken, response.refreshToken);
+        }).thenAcceptAsync(Schedulers.javafx(), account -> {
+            setAccount(account);
+        });
+    }
+
+    public static class HMCLAccount implements HttpRequest.Authorization {
+        private final String provider;
+        private final String nickname;
+        private final String email;
+        private final String role;
+        private final String idToken;
+        private final String tokenType;
+        private final String accessToken;
+        private final String refreshToken;
+
+        public HMCLAccount(String provider, String nickname, String email, String role, String idToken, String tokenType, String accessToken, String refreshToken) {
+            this.provider = provider;
+            this.nickname = nickname;
+            this.email = email;
+            this.role = role;
+            this.idToken = idToken;
+            this.tokenType = tokenType;
+            this.accessToken = accessToken;
+            this.refreshToken = refreshToken;
+        }
+
+        public String getProvider() {
+            return provider;
+        }
+
+        public String getNickname() {
+            return nickname;
+        }
+
+        public String getEmail() {
+            return email;
+        }
+
+        public String getRole() {
+            return role;
+        }
+
+        public String getIdToken() {
+            return idToken;
+        }
+
+        @Override
+        public String getTokenType() {
+            return tokenType;
+        }
+
+        @Override
+        public String getAccessToken() {
+            return accessToken;
+        }
+
+        public String getRefreshToken() {
+            return refreshToken;
+        }
+    }
+
+    private static class HMCLAccountProfile {
+        @SerializedName("ID")
+        String id;
+        @SerializedName("Provider")
+        String provider;
+        @SerializedName("Email")
+        String email;
+        @SerializedName("NickName")
+        String nickname;
+        @SerializedName("Role")
+        String role;
+    }
+
+}
@@ -1,7 +1,7 @@
 /*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
@@ -13,7 +13,7 @@
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 package org.jackhuang.hmcl.setting;

@@ -43,5 +43,9 @@ public enum LauncherVisibility {
    /**
     * Hide the launcher and reopen it when game closes.
     */
-    HIDE_AND_REOPEN
+    HIDE_AND_REOPEN;
+
+    public boolean isDaemon() {
+        return this != CLOSE;
+    }
 }
@@ -1,6 +1,6 @@
 /*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
@@ -13,78 +13,108 @@
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 package org.jackhuang.hmcl.setting;

 import com.google.gson.*;
+import com.google.gson.annotations.JsonAdapter;
+import javafx.application.Platform;
 import javafx.beans.InvalidationListener;
-import org.jackhuang.hmcl.game.HMCLDependencyManager;
+import javafx.beans.Observable;
+import javafx.beans.property.*;
+import org.jackhuang.hmcl.download.DefaultDependencyManager;
+import org.jackhuang.hmcl.download.DownloadProvider;
+import org.jackhuang.hmcl.event.EventBus;
+import org.jackhuang.hmcl.event.EventPriority;
+import org.jackhuang.hmcl.event.RefreshedVersionsEvent;
+import org.jackhuang.hmcl.game.HMCLCacheRepository;
 import org.jackhuang.hmcl.game.HMCLGameRepository;
-import org.jackhuang.hmcl.mod.ModManager;
-import org.jackhuang.hmcl.util.ImmediateObjectProperty;
-import org.jackhuang.hmcl.util.ImmediateStringProperty;
+import org.jackhuang.hmcl.game.Version;
+import org.jackhuang.hmcl.ui.WeakListenerHolder;
 import org.jackhuang.hmcl.util.ToStringBuilder;
+import org.jackhuang.hmcl.util.javafx.ObservableHelper;

 import java.io.File;
 import java.lang.reflect.Type;
 import java.util.Optional;

+import static org.jackhuang.hmcl.ui.FXUtils.onInvalidating;
+import static org.jackhuang.hmcl.ui.FXUtils.runInFX;
+
 /**
 *
 * @author huangyuhui
 */
-public final class Profile {
-
+@JsonAdapter(Profile.Serializer.class)
+public final class Profile implements Observable {
+    private final WeakListenerHolder listenerHolder = new WeakListenerHolder();
    private final HMCLGameRepository repository;
-    private final ModManager modManager;

-    private final ImmediateObjectProperty<File> gameDirProperty;
+    private final StringProperty selectedVersion = new SimpleStringProperty();

-    public ImmediateObjectProperty<File> gameDirProperty() {
-        return gameDirProperty;
+    public StringProperty selectedVersionProperty() {
+        return selectedVersion;
+    }
+
+    public String getSelectedVersion() {
+        return selectedVersion.get();
+    }
+
+    public void setSelectedVersion(String selectedVersion) {
+        this.selectedVersion.set(selectedVersion);
+    }
+
+    private final ObjectProperty<File> gameDir;
+
+    public ObjectProperty<File> gameDirProperty() {
+        return gameDir;
    }

    public File getGameDir() {
-        return gameDirProperty.get();
+        return gameDir.get();
    }

    public void setGameDir(File gameDir) {
-        gameDirProperty.set(gameDir);
+        this.gameDir.set(gameDir);
    }

-    private final ImmediateObjectProperty<VersionSetting> globalProperty = new ImmediateObjectProperty<>(this, "global", new VersionSetting());
+    private final ReadOnlyObjectWrapper<VersionSetting> global = new ReadOnlyObjectWrapper<>(this, "global");

-    public ImmediateObjectProperty<VersionSetting> globalProperty() {
-        return globalProperty;
+    public ReadOnlyObjectProperty<VersionSetting> globalProperty() {
+        return global.getReadOnlyProperty();
    }

    public VersionSetting getGlobal() {
-        return globalProperty.get();
+        return global.get();
    }

-    public void setGlobal(VersionSetting global) {
-        if (global == null)
-            global = new VersionSetting();
-        globalProperty.set(global);
-    }
+    private final SimpleStringProperty name;

-    private final ImmediateStringProperty nameProperty;
-
-    public ImmediateStringProperty nameProperty() {
-        return nameProperty;
+    public StringProperty nameProperty() {
+        return name;
    }

    public String getName() {
-        return nameProperty.get();
+        return name.get();
    }

    public void setName(String name) {
-        nameProperty.set(name);
+        this.name.set(name);
    }

-    public Profile() {
-        this("Default");
+    private BooleanProperty useRelativePath = new SimpleBooleanProperty(this, "useRelativePath", false);
+
+    public BooleanProperty useRelativePathProperty() {
+        return useRelativePath;
+    }
+
+    public boolean isUseRelativePath() {
+        return useRelativePath.get();
+    }
+
+    public void setUseRelativePath(boolean useRelativePath) {
+        this.useRelativePath.set(useRelativePath);
    }

    public Profile(String name) {
@@ -92,60 +122,56 @@ public final class Profile {
    }

    public Profile(String name, File initialGameDir) {
-        nameProperty = new ImmediateStringProperty(this, "name", name);
-        gameDirProperty = new ImmediateObjectProperty<>(this, "gameDir", initialGameDir);
-        repository = new HMCLGameRepository(this, initialGameDir);
-        modManager = new ModManager(repository);
+        this(name, initialGameDir, new VersionSetting());
+    }

-        gameDirProperty.addListener((a, b, newValue) -> repository.changeDirectory(newValue));
+    public Profile(String name, File initialGameDir, VersionSetting global) {
+        this(name, initialGameDir, global, null, false);
+    }
+
+    public Profile(String name, File initialGameDir, VersionSetting global, String selectedVersion, boolean useRelativePath) {
+        this.name = new SimpleStringProperty(this, "name", name);
+        gameDir = new SimpleObjectProperty<>(this, "gameDir", initialGameDir);
+        repository = new HMCLGameRepository(this, initialGameDir);
+        this.global.set(global == null ? new VersionSetting() : global);
+        this.selectedVersion.set(selectedVersion);
+        this.useRelativePath.set(useRelativePath);
+
+        gameDir.addListener((a, b, newValue) -> repository.changeDirectory(newValue));
+        this.selectedVersion.addListener(o -> checkSelectedVersion());
+        listenerHolder.add(EventBus.EVENT_BUS.channel(RefreshedVersionsEvent.class).registerWeak(event -> checkSelectedVersion(), EventPriority.HIGHEST));
+
+        addPropertyChangedListener(onInvalidating(this::invalidate));
+    }
+
+    private void checkSelectedVersion() {
+        runInFX(() -> {
+            if (!repository.isLoaded()) return;
+            String newValue = selectedVersion.get();
+            if (!repository.hasVersion(newValue)) {
+                Optional<String> version = repository.getVersions().stream().findFirst().map(Version::getId);
+                if (version.isPresent())
+                    selectedVersion.setValue(version.get());
+                else if (newValue != null)
+                    selectedVersion.setValue(null);
+            }
+        });
    }

    public HMCLGameRepository getRepository() {
        return repository;
    }

-    public ModManager getModManager() {
-        return modManager;
+    public DefaultDependencyManager getDependency() {
+        return getDependency(DownloadProviders.getDownloadProvider());
    }

-    public HMCLDependencyManager getDependency() {
-        return new HMCLDependencyManager(this, Settings.INSTANCE.getDownloadProvider(), Settings.INSTANCE.getProxy());
+    public DefaultDependencyManager getDependency(DownloadProvider downloadProvider) {
+        return new DefaultDependencyManager(repository, downloadProvider, HMCLCacheRepository.REPOSITORY);
    }

    public VersionSetting getVersionSetting(String id) {
-        VersionSetting vs = repository.getVersionSetting(id);
-        if (vs == null || vs.isUsesGlobal()) {
-            getGlobal().setGlobal(true); // always keep global.isGlobal = true
-            getGlobal().setUsesGlobal(true);
-            return getGlobal();
-        } else
-            return vs;
-    }
-
-    public boolean isVersionGlobal(String id) {
-        VersionSetting vs = repository.getVersionSetting(id);
-        return vs == null || vs.isUsesGlobal();
-    }
-
-    /**
-     * Make version use self version settings instead of the global one.
-     * @param id the version id.
-     * @return specialized version setting, null if given version does not exist.
-     */
-    public VersionSetting specializeVersionSetting(String id) {
-        VersionSetting vs = repository.getVersionSetting(id);
-        if (vs == null)
-            vs = repository.createVersionSetting(id);
-        if (vs == null)
-            return null;
-        vs.setUsesGlobal(false);
-        return vs;
-    }
-
-    public void globalizeVersionSetting(String id) {
-        VersionSetting vs = repository.getVersionSetting(id);
-        if (vs != null)
-            vs.setUsesGlobal(true);
+        return repository.getVersionSetting(id);
    }

    @Override
@@ -153,21 +179,54 @@ public final class Profile {
        return new ToStringBuilder(this)
                .append("gameDir", getGameDir())
                .append("name", getName())
+                .append("useRelativePath", isUseRelativePath())
                .toString();
    }

-    public void addPropertyChangedListener(InvalidationListener listener) {
-        nameProperty.addListener(listener);
-        globalProperty.addListener(listener);
-        gameDirProperty.addListener(listener);
+    private void addPropertyChangedListener(InvalidationListener listener) {
+        name.addListener(listener);
+        global.addListener(listener);
+        gameDir.addListener(listener);
+        useRelativePath.addListener(listener);
+        global.get().addPropertyChangedListener(listener);
+        selectedVersion.addListener(listener);
+    }
+
+    private ObservableHelper observableHelper = new ObservableHelper(this);
+
+    @Override
+    public void addListener(InvalidationListener listener) {
+        observableHelper.addListener(listener);
+    }
+
+    @Override
+    public void removeListener(InvalidationListener listener) {
+        observableHelper.removeListener(listener);
+    }
+
+    private void invalidate() {
+        Platform.runLater(observableHelper::invalidate);
+    }
+
+    public static class ProfileVersion {
+        private final Profile profile;
+        private final String version;
+
+        public ProfileVersion(Profile profile, String version) {
+            this.profile = profile;
+            this.version = version;
+        }
+
+        public Profile getProfile() {
+            return profile;
+        }
+
+        public String getVersion() {
+            return version;
+        }
    }

    public static final class Serializer implements JsonSerializer<Profile>, JsonDeserializer<Profile> {
-        public static final Serializer INSTANCE = new Serializer();
-
-        private Serializer() {
-        }
-
        @Override
        public JsonElement serialize(Profile src, Type typeOfSrc, JsonSerializationContext context) {
            if (src == null)
@@ -176,19 +235,23 @@ public final class Profile {
            JsonObject jsonObject = new JsonObject();
            jsonObject.add("global", context.serialize(src.getGlobal()));
            jsonObject.addProperty("gameDir", src.getGameDir().getPath());
+            jsonObject.addProperty("useRelativePath", src.isUseRelativePath());
+            jsonObject.addProperty("selectedMinecraftVersion", src.getSelectedVersion());

            return jsonObject;
        }

        @Override
        public Profile deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
-            if (json == null || json == JsonNull.INSTANCE || !(json instanceof JsonObject)) return null;
+            if (json == JsonNull.INSTANCE || !(json instanceof JsonObject)) return null;
            JsonObject obj = (JsonObject) json;
            String gameDir = Optional.ofNullable(obj.get("gameDir")).map(JsonElement::getAsString).orElse("");

-            Profile profile = new Profile("Default", new File(gameDir));
-            profile.setGlobal(context.deserialize(obj.get("global"), VersionSetting.class));
-            return profile;
+            return new Profile("Default",
+                    new File(gameDir),
+                    context.deserialize(obj.get("global"), VersionSetting.class),
+                    Optional.ofNullable(obj.get("selectedMinecraftVersion")).map(JsonElement::getAsString).orElse(""),
+                    Optional.ofNullable(obj.get("useRelativePath")).map(JsonElement::getAsBoolean).orElse(false));
        }

    }
@@ -1,6 +1,6 @@
 /*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
@@ -13,10 +13,30 @@
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 package org.jackhuang.hmcl.setting;

+import javafx.application.Platform;
+import javafx.beans.Observable;
+import javafx.beans.property.*;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import org.jackhuang.hmcl.Metadata;
+import org.jackhuang.hmcl.event.EventBus;
+import org.jackhuang.hmcl.event.RefreshedVersionsEvent;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.TreeMap;
+import java.util.function.Consumer;
+
+import static javafx.collections.FXCollections.observableArrayList;
+import static org.jackhuang.hmcl.setting.ConfigHolder.config;
+import static org.jackhuang.hmcl.ui.FXUtils.onInvalidating;
+import static org.jackhuang.hmcl.ui.FXUtils.runInFX;
 import static org.jackhuang.hmcl.util.i18n.I18n.i18n;

 public final class Profiles {
@@ -37,4 +57,163 @@ public final class Profiles {
                return profile.getName();
        }
    }
+
+    private static final ObservableList<Profile> profiles = observableArrayList(profile -> new Observable[] { profile });
+    private static final ReadOnlyListWrapper<Profile> profilesWrapper = new ReadOnlyListWrapper<>(profiles);
+
+    private static ObjectProperty<Profile> selectedProfile = new SimpleObjectProperty<Profile>() {
+        {
+            profiles.addListener(onInvalidating(this::invalidated));
+        }
+
+        @Override
+        protected void invalidated() {
+            if (!initialized)
+                return;
+
+            Profile profile = get();
+
+            if (profiles.isEmpty()) {
+                if (profile != null) {
+                    set(null);
+                    return;
+                }
+            } else {
+                if (!profiles.contains(profile)) {
+                    set(profiles.get(0));
+                    return;
+                }
+            }
+
+            config().setSelectedProfile(profile == null ? "" : profile.getName());
+            if (profile != null) {
+                if (profile.getRepository().isLoaded())
+                    selectedVersion.bind(profile.selectedVersionProperty());
+                else {
+                    selectedVersion.unbind();
+                    selectedVersion.set(null);
+                    // bind when repository was reloaded.
+                    profile.getRepository().refreshVersionsAsync().start();
+                }
+            } else {
+                selectedVersion.unbind();
+                selectedVersion.set(null);
+            }
+        }
+    };
+
+    private static void checkProfiles() {
+        if (profiles.isEmpty()) {
+            Profile current = new Profile(Profiles.DEFAULT_PROFILE, new File(".minecraft"), new VersionSetting(), null, true);
+            Profile home = new Profile(Profiles.HOME_PROFILE, Metadata.MINECRAFT_DIRECTORY.toFile());
+            Platform.runLater(() -> profiles.addAll(current, home));
+        }
+    }
+
+    /**
+     * True if {@link #init()} hasn't been called.
+     */
+    private static boolean initialized = false;
+
+    static {
+        profiles.addListener(onInvalidating(Profiles::updateProfileStorages));
+        profiles.addListener(onInvalidating(Profiles::checkProfiles));
+
+        selectedProfile.addListener((a, b, newValue) -> {
+            if (newValue != null)
+                newValue.getRepository().refreshVersionsAsync().start();
+        });
+    }
+
+    private static void updateProfileStorages() {
+        // don't update the underlying storage before data loading is completed
+        // otherwise it might cause data loss
+        if (!initialized)
+            return;
+        // update storage
+        TreeMap<String, Profile> newConfigurations = new TreeMap<>();
+        for (Profile profile : profiles) {
+            newConfigurations.put(profile.getName(), profile);
+        }
+        config().getConfigurations().setValue(FXCollections.observableMap(newConfigurations));
+    }
+
+    /**
+     * Called when it's ready to load profiles from {@link ConfigHolder#config()}.
+     */
+    static void init() {
+        if (initialized)
+            throw new IllegalStateException("Already initialized");
+
+        HashSet<String> names = new HashSet<>();
+        config().getConfigurations().forEach((name, profile) -> {
+            if (!names.add(name)) return;
+            profiles.add(profile);
+            profile.setName(name);
+        });
+        checkProfiles();
+
+        // Platform.runLater is necessary or profiles will be empty
+        // since checkProfiles adds 2 base profile later.
+        Platform.runLater(() -> {
+            initialized = true;
+
+            selectedProfile.set(
+                    profiles.stream()
+                            .filter(it -> it.getName().equals(config().getSelectedProfile()))
+                            .findFirst()
+                            .orElse(profiles.get(0)));
+        });
+
+        EventBus.EVENT_BUS.channel(RefreshedVersionsEvent.class).registerWeak(event -> {
+            runInFX(() -> {
+                Profile profile = selectedProfile.get();
+                if (profile != null && profile.getRepository() == event.getSource()) {
+                    selectedVersion.bind(profile.selectedVersionProperty());
+                    for (Consumer<Profile> listener : versionsListeners)
+                        listener.accept(profile);
+                }
+            });
+        });
+    }
+
+    public static ObservableList<Profile> getProfiles() {
+        return profiles;
+    }
+
+    public static ReadOnlyListProperty<Profile> profilesProperty() {
+        return profilesWrapper.getReadOnlyProperty();
+    }
+
+    public static Profile getSelectedProfile() {
+        return selectedProfile.get();
+    }
+
+    public static void setSelectedProfile(Profile profile) {
+        selectedProfile.set(profile);
+    }
+
+    public static ObjectProperty<Profile> selectedProfileProperty() {
+        return selectedProfile;
+    }
+
+    private static final ReadOnlyStringWrapper selectedVersion = new ReadOnlyStringWrapper();
+
+    public static ReadOnlyStringProperty selectedVersionProperty() {
+        return selectedVersion.getReadOnlyProperty();
+    }
+
+    // Guaranteed that the repository is loaded.
+    public static String getSelectedVersion() {
+        return selectedVersion.get();
+    }
+
+    private static final List<Consumer<Profile>> versionsListeners = new ArrayList<>(4);
+
+    public static void registerVersionsListener(Consumer<Profile> listener) {
+        Profile profile = getSelectedProfile();
+        if (profile != null && profile.getRepository().isLoaded())
+            listener.accept(profile);
+        versionsListeners.add(listener);
+    }
 }
@@ -1,36 +0,0 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-package org.jackhuang.hmcl.setting;
-
-import org.jackhuang.hmcl.util.Lang;
-
-import java.net.Proxy;
-import java.util.List;
-
-/**
- * @author huangyuhui
- */
-public final class Proxies {
-    private Proxies() {}
-
-    public static final List<Proxy.Type> PROXIES = Lang.immutableListOf(Proxy.Type.DIRECT, Proxy.Type.HTTP, Proxy.Type.SOCKS);
-
-    public static Proxy.Type getProxyType(int index) {
-        return Lang.get(PROXIES, index).orElse(null);
-    }
-}
@@ -0,0 +1,116 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.setting;
+
+import javafx.beans.binding.Bindings;
+import javafx.beans.binding.ObjectBinding;
+import javafx.beans.value.ObservableObjectValue;
+import org.jackhuang.hmcl.util.StringUtils;
+
+import java.net.Authenticator;
+import java.net.InetSocketAddress;
+import java.net.PasswordAuthentication;
+import java.net.Proxy;
+import java.net.Proxy.Type;
+
+import static org.jackhuang.hmcl.setting.ConfigHolder.config;
+import static org.jackhuang.hmcl.util.Logging.LOG;
+
+public final class ProxyManager {
+    private ProxyManager() {
+    }
+
+    private static ObjectBinding<Proxy> proxyProperty;
+
+    public static Proxy getProxy() {
+        return proxyProperty.get();
+    }
+
+    public static ObservableObjectValue<Proxy> proxyProperty() {
+        return proxyProperty;
+    }
+
+    static void init() {
+        proxyProperty = Bindings.createObjectBinding(
+                () -> {
+                    String host = config().getProxyHost();
+                    int port = config().getProxyPort();
+                    if (!config().hasProxy() || StringUtils.isBlank(host) || config().getProxyType() == Proxy.Type.DIRECT) {
+                        return Proxy.NO_PROXY;
+                    } else {
+                        if (port < 0 || port > 0xFFFF) {
+                            LOG.warning("Illegal proxy port: " + port);
+                            return Proxy.NO_PROXY;
+                        }
+                        return new Proxy(config().getProxyType(), new InetSocketAddress(host, port));
+                    }
+                },
+                config().proxyTypeProperty(),
+                config().proxyHostProperty(),
+                config().proxyPortProperty(),
+                config().hasProxyProperty());
+
+        proxyProperty.addListener(any -> updateSystemProxy());
+        updateSystemProxy();
+
+        Authenticator.setDefault(new Authenticator() {
+            @Override
+            protected PasswordAuthentication getPasswordAuthentication() {
+                if (config().hasProxyAuth()) {
+                    String username = config().getProxyUser();
+                    String password = config().getProxyPass();
+                    if (username != null && password != null) {
+                        return new PasswordAuthentication(username, password.toCharArray());
+                    }
+                }
+                return null;
+            }
+        });
+    }
+
+    private static void updateSystemProxy() {
+        Proxy proxy = proxyProperty.get();
+        if (proxy.type() == Proxy.Type.DIRECT) {
+            System.clearProperty("http.proxyHost");
+            System.clearProperty("http.proxyPort");
+            System.clearProperty("https.proxyHost");
+            System.clearProperty("https.proxyPort");
+            System.clearProperty("socksProxyHost");
+            System.clearProperty("socksProxyPort");
+        } else {
+            InetSocketAddress address = (InetSocketAddress) proxy.address();
+            String host = address.getHostString();
+            String port = String.valueOf(address.getPort());
+            if (proxy.type() == Type.HTTP) {
+                System.clearProperty("socksProxyHost");
+                System.clearProperty("socksProxyPort");
+                System.setProperty("http.proxyHost", host);
+                System.setProperty("http.proxyPort", port);
+                System.setProperty("https.proxyHost", host);
+                System.setProperty("https.proxyPort", port);
+            } else if (proxy.type() == Type.SOCKS) {
+                System.clearProperty("http.proxyHost");
+                System.clearProperty("http.proxyPort");
+                System.clearProperty("https.proxyHost");
+                System.clearProperty("https.proxyPort");
+                System.setProperty("socksProxyHost", host);
+                System.setProperty("socksProxyPort", port);
+            }
+        }
+    }
+}
@@ -0,0 +1,18 @@
+package org.jackhuang.hmcl.setting;
+
+public final class SambaException extends RuntimeException {
+    public SambaException() {
+    }
+
+    public SambaException(String message) {
+        super(message);
+    }
+
+    public SambaException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public SambaException(Throwable cause) {
+        super(cause);
+    }
+}
				`@@ -0,0 +1 @@`
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