PojavLauncher

Note

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Navigation

Introduction
Building
Current status
License
Contributing
Credits & Third party components and their licenses

Introduction

PojavLauncher is a Minecraft: Java Edition launcher for Android and iOS based on Boardwalk. This launcher can launch almost all available Minecraft versions (from rd-132211 to 1.18 snapshots (kinda)), including Combat Test versions. Modding via Forge (up to 1.16.5) and Fabric are also supported. This repository contains source code for Android. For iOS/iPadOS, check out PojavLauncher_iOS.

Building

To get started, you can just get prebuilt app from stable release or automatic builds. If you want to build after launcher code changes, follow steps below.

Will be moved to BUILDING.md

Java Runtime Environment (JRE)

JRE for Android is here, also the build script here.
Follow build instruction on build script README.md.
You can also get CI auto builds.
Either get jre8-pojav artifact from auto builds, or do splitting by yourself:
- Get JREs for all of 4 supported architectures (arm, arm64, x86, x86_64)
- Split JRE into parts:
Platform-independent: .jar files, libraries, configs, etc...
Platform-dependent: .so files, etc...
- Create:
file named universal.tar.xz with all platform-independent files
4 files named bin-<arch>.tar.xz with all platform-dependent files per-architecture
- Put these in assets/components/jre/ folder
- (If needed) update the Version file with the current date

LWJGL

Coming soon

The Launcher

Because languages are auto added by Crowdin, so need to run language list generator before building. In this directory, run:

# On Linux, Mac OS:
chmod +x scripts/languagelist_updater.sh
bash scripts/languagelist_updater.sh

# On Windows:
scripts\languagelist_updater.bat

Then, run these commands ~~build use Android Studio~~.

# Build GLFW stub
./gradlew :jre_lwjgl3glfw:build
# mkdir app_pojavlauncher/src/main/assets/components/internal_libs
rm app_pojavlauncher/src/main/assets/components/lwjgl3/lwjgl-glfw-classes.jar
cp jre_lwjgl3glfw/build/libs/jre_lwjgl3glfw-3.2.3.jar app_pojavlauncher/src/main/assets/components/lwjgl3/lwjgl-glfw-classes.jar
        
# Build the launcher
./gradlew :app_pojavlauncher:assembleDebug

(Replace gradlew to gradlew.bat if you are building on Windows).

Current status

Known Issues

Minecraft 21w10a or newer are currently not yet supported due to the new GLSL usage. Fortunately, a workaround is provided and built into the launcher.
In 1.16 and up, spawn eggs banners are white (you can fix this by switching renderer to gl4es 1.1.5, only works on 1.16 and up, do not use under this version, as the texture will bug out when hit a mob)
Controller mods aren't working.
Random crashes could happen very often on Android 5.x during game load or join world.
With big modpacks textures could be messed up
probably more, that's why we have a bug tracker ;)

License

PojavLauncher is licensed under GNU GPLv3.

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 (if available)

Boardwalk (JVM Launcher): Unknown License/Apache License 2.0 or GNU GPLv2.
Android Support Libraries: Apache License 2.0.
GL4ES: MIT License.
OpenJDK: GNU GPLv2 License.
LWJGL3: BSD-3 License.
LWJGLX (LWJGL2 API compatibility layer for LWJGL3): unknown license.
Mesa 3D Graphics Library: MIT License.
pro-grade (Java sandboxing security manager): Apache License 2.0.
xHook (Used for exit code trapping): MIT and BSD-style licenses.
libepoxy: MIT License.
virglrenderer: MIT License.

Pantyhose-X/PojavLauncher