IrisDataGen

A version-independent data generator for Iris. Downloads Minecraft jar files and extracts block shapes and entity dimensions into JSON files.

Dependencies

Not automatically installed:

• python3 (requests)
• wget (Linux only)
• java and javac (JDK)

Automatically installed:

• Reconstruct ProGuard deobfuscator
• CFR Java decompiler
• Vineflower Java decompiler

Installing

Windows

Install Java 17 JDK, Python3 (or from the Windows Store) and the Python requests module from the websites given in the README.

Update your PATH for Java and Python3 if it has not already been done before.

Linux

Debian/Ubuntu

sudo apt install openjdk-17-jdk python3-requests wget

Fedora

sudo dnf install java-17-openjdk-devel python3-requests wget

Archlinux

sudo pacman -S jdk17-openjdk python-requests wget

OSX

NOT TESTED

Install the JDK for Java, wget and Python3 and the module requests using brew or something else.

Usage

To extract data for a given Minecraft version, run ./extract.sh <version number>, e.g.

./extract.sh 1.20.4

or on Windows:

extract.bat 1.20.4

To clean everything up, run ./clean.sh

For example:

./clean.sh
./extract 1.20.4

Options

• --decompile [cfr|vineflower]: enable decompilation of the deobfuscated Minecraft jar file, optionally add a specific decompiler (default is CFR)