Corona Archiver | Solar2D Game Engine pack/unpack
Python script to help pack and unpack Corona archive .car file
Distribution
Windows binary (.exe)
https://github.com/0BuRner/corona-archiver/releases
Usage
Unpacking
Usage: corona-archiver.py -u 'input_file' 'output_dir'
Packing
Usage: corona-archiver.py -p 'input_dir' 'output_file'
File structure
[header]
[magic_number] (4 bytes) \x72\x61\x63\x01
[revision] (4 bytes)
[data_offset_start] (4 bytes)
[index_size] (4 bytes)
[index]
[entry]
[entry_type] (4 bytes) 1
[data_offset] (4 bytes)
[filename_length] (4 bytes)
[filename] (filename_length+1 bytes) 0-terminated
[padding] (1|2|3|4 bytes) \x00
[data]
[entry]
[entry_type] (4 bytes) 2
[next_data_offset] (4 bytes)
[file_size] (4 bytes)
[file_content] (file_size bytes)
[padding] (0|1|2|3 bytes) \x00
[end]
[magic_number] (4 bytes) \xFF\xFF\xFF\xFF
[padding] (4 bytes) \x00
Others languages
- C++ (official implementation) : https://github.com/coronalabs/corona/blob/master/librtt/Rtt_Archive.cpp
- Java : https://github.com/zhuowei/Chromosphere/tree/master/carlib
LUA
LUA Decompilers
- https://www.decompiler.com/
- https://sourceforge.net/projects/unluac/
- https://github.com/sztupy/luadec51 (Lua 5.1)
- https://github.com/viruscamp/luadec (Lua 5.2, 5.3)
LUA Tools
Tutorials
Dissasembling
- https://medium.com/@ngocnv73/disassembling-a-compiled-lua-module-using-a-questionable-method-f1a38f25fa4a
- https://platinmods.com/threads/solar2d-former-corona-lab-game-modding-tutorial.121378/ (dissasembling + recompiling)
- https://code.hmil.fr/2015/02/00-hacking-funrun2-how-to-reverse-engineer-a-corona-app/