Resource pack migration tool for Minecraft: Java Edition 1.14.
This tool is provided as reference code to help update existing resource packs for Minecraft: Java Edition, and as such we are not accepting contributions or actively maintaining it. However, we may update or revisit this in the future. Forking is welcome, and you are free to use the code as you see fit - for more information see the provided license.
<input dir or zip> <output dir> [<leftover dir>] (leftover dir is optional location that will be filled with copies of source images with added hightlights for no longer needed areas).