carpet-fixes VS MCP-Reborn

carpet-fixes with /carpet-fixes reIntroduceInstantBlockUpdates

Check out carpet-fixes (https://github.com/fxmorin/carpet-fixes). It's a fabric mod that allows yo to re-enable update suppression as well as item shadowing if you want. It's server-side so if you're running a server clients don't need it.

Its not possible in 1.19 since the game processes block updates in quene instead of stacks. However, if you're on a fabric server with carpet, you can use carpet fixes https://github.com/fxmorin/carpet-fixes and enable /carpet-fixes reIntroduceInstantBlockUpdates true which should enable update supression again.

link about the update supression and item shadowing features: https://github.com/fxmorin/carpet-fixes/wiki/How-to-use-item-shadowing-in-1.19-using-carpet-fixes

Theres a mod that does it: https://github.com/fxmorin/carpet-fixes/wiki/Available-Settings#nocomexploitfix (https://github.com/fxmorin/carpet-fixes/blob/dev/src/main/java/carpetfixes/mixins/playerFixes/ServerPlayNetworkHandler_nocomMixin.java).

It’s a vanilla bug: https://bugs.mojang.com/browse/MC-199210 I have a fix for it here: https://github.com/fxmorin/carpet-fixes

Shadowing still works up to 1.17.1 and it was patched in 1.18 as far as I know, someone please correct me if I am wrong. There is a mod to unpatch it in the carpet extension Carpet-Fixes

It's a known bug for 1.18. I think there's a fix for it in carpet-fixes. https://github.com/fxmorin/carpet-fixes

Editing the .jar file to send a seed would usually be very difficult but is probably possible due to the efforts of MCP-Reborn although this would probably be detectable in the log files. Editing memory on runtime would only be possible if Minecraft had no memory protection.

Try https://github.com/Hexeption/MCP-Reborn/

I have just finished my first ever text written mod using mcp, it was super simple and broke the game (changing sin and cos around in the code) and I have gotten it to work with the regular minecraft launcher however I wasn’t able to test if it works with forge. I want to use it with forge so I can troll some of my friends on their smp while still having litematica enabled at the same time. Just for clarification, I am using MCP reborn (https://github.com/Hexeption/MCP-Reborn) so I don’t know if this changes anything from the old MCP. Thanks for any help

Yes, it’s real, and it’s what Forge was based on from the very beginning. a1.1.2 - 1.12.2: https://minecraft.fandom.com/wiki/Programs_and_editors/Mod_Coder_Pack 1.13 - modern day: https://github.com/Hexeption/MCP-Reborn

I have no clue how item shadowing in 1.18 is possible but if you want to have a look at the source code you could try MCP Reborn which even allows you to modify the code and run it easily, though not all variables are deobfuscated. You can also use the official obfuscation mappings to manually decompile Minecraft (wiki article or use DecompilerMC to automate that task (with this method afaik nothing is obfuscated but there is no function to run the code. It would probably be quite easy to port the gradle tasks from MCP reborn or create your own but I’m not a Java dev so I’m not sure)

MCP Reborn - Mod Coders Pack for newer versions of Minecraft. Currently supports 1.13-1.18

I can't open the source code because of the same issue My current implementation depends on the Microsoft official obfuscation mappings. I can't reveal the source code that I got with this mappings without violating a license. Notice about it you can find here: https://github.com/Hexeption/MCP-Reborn/blob/1.18/MCP-License So this mod is closed source until I can decouple it from official Minecraft code.

I used MCP-reborn to generate the code. https://github.com/Hexeption/MCP-Reborn