This "hack" is a troll and impossible

[SubBastion]

Your not fooling anyone. Nobody gets an item dropped or a chunk packet if they are not in said area to begin with. Also items don't drop in the same place every time so even if you were able to receive said packet you cannot crack it based on item fall because it won't happen at the same time Everytime. You actually released a GitHub client mod without any actual code . In order for said code to work it would have to be on server side at which point why not just mod it to send you the player packet or entity packet of specific players you want to know the coords.

I hate people like you providing fake exploits and getting people to believe it. It's almost like you forgot the server isn't called by your client