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PojavLauncher_iOS

Minecraft: Java Edition launcher for iOS, based on PojavLauncher Android.

Navigation

If you own Minecraft: Java Edition on a Mojang Account and Minecraft Dungeons on a Microsoft account, both accounts can be linked to the Minecraft Launcher. However, you will have to switch between the two accounts in order to play one game or the other. Java.debug.settings.console: The specified console to launch a Java program, defaults to integratedTerminal. If you want to customize the console for a specific debug session, please modify the console configuration in launch.json. Java Launcher is a powerful Java tool and an easy-to-use software, which contains nine features totally: Six launching features accessed in windows explorer (see picture 1) Run java applications and applets by double-clicking class files in explorer.

Introduction

• This is an attempt to get Minecraft Java run on a jailbroken iOS.
• Minimum requirements: device running iOS 12 or newer.

Building

Requirements:

• Mac OS X (tested: 10.15)
• XCode (tested: 11.7.0)
• JDK 8 installed
• gradle to build Java part.
• cmake, wget, ldid, dpkg and fakeroot to package. Run in this directory

How can it work?

• Use OpenJDK 16 from Procursus to get real Java environment.
• Use MetalANGLE for OpenGL ES -> Metal translator.
• Use GL4ES for OpenGL -> OpenGL ES translator.
• Use our LWJGL3 iOS port.
• Use same launch method as PojavLauncher Android.

Current status

• Java Runtime Environment: OpenJDK 16.
• LWJGL3 iOS port: works
• OpenGL: GL4ES
• Did Minecraft recognize OpenGL?
• OpenAL: use @kcat's openal-soft
• Input pipe implementation
• Account authentication (partial).
• Does it work? Partial.
• Currently, only Minecraft 1.14+ fully works.
• Forge won't work, but Fabric and OptiFine will.

Known issues

• Mojang authentication might not work, but copying logged in account json from Android will work.
• Camera position will be jumped to random location on first time touch.
• 1.12.2 and below only render a tiny panorama at bottom left corner.
• Other versions will crash for various reasons: Narrator crash, etc...
• It may crash sometimes, but try launch again until you get it works.

Installing OpenJDK 16

For Chimera/Odyssey bootstrap

• Add Procursus repository (https://apt.procurs.us).
• Find and install java-16-openjdk.

Java Launcher Screen

For other jailbreak bootstrap

• Download openjdk-16-jre.deb.
• Install and open Filza File manager.
• Go to where the .deb file downloaded.
• Open it and press Install.
• If everything fine, it will ends up with Setting up ....

Directory locations

• Account json directory: /var/mobile/Documents/.pojavlauncher/accounts.
• Minecraft home directory: /var/mobile/Documents/minecraft.
• Select a version: edit /var/mobile/Documents/minecraft/config_ver.txt, put to Minecraft version want to start.

License

• PojavLauncher is licensed under GNU GPLv3.

Java Launcher Not Working On Mac

Contributing

Contributions are welcome! We welcome any type of contribution, not only code. Any code change should be submitted as a pull request. The description should explain what the code does and give steps to execute it.

Credits & Third party components and their licenses

• Contributors of PojavLauncher Android and here.
• Apache Commons.
• jsr305
• org.json
• Boardwalk (JVM Launcher): Unknown License/Apache License 2.0 or GNU GPLv2.
• GL4ES by @lunixbochs @ptitSeb: MIT License.
  
• MetalANGLE by @kakashidinho and ANGLE team: BSD License 2.0.
• OpenJDK 16 ported to iOS by @Diatrus: GNU GPLv2 License.
  
• LWJGL3: BSD-3 License.
• LWJGLX (LWJGL2 API compatibility layer for LWJGL3): unknown license.