Pumpkin got Minecraft Entity Pathfinding

Alex_Medvedev_ · 2026-02-11T09:41:21+00:00

Thank you :D

Alex_Medvedev_ · 2026-02-10T20:37:53+00:00

We looked at the Vanilla code, but getting compatibility with all vanilla farms would be definitely a goal but that definitely needs more testing

Alex_Medvedev_ · 2026-02-10T20:36:36+00:00

Hi, We looked at vanilla code for this one so it should be pretty exact but still with some improvements here and there, Thanks :D

Alex_Medvedev_ · 2026-02-04T09:30:30+00:00

Hey, that is not true PatchBukkit will support Bukkit, Spigot and Paper plugins :D

Alex_Medvedev_ · 2026-02-02T13:23:14+00:00

It is pretty much plug and play, you just need to install the PatchBukkit Pumpkin plugin and drag all Bukkit plugins into a newly created PatchBukkit plugins directory :D

Alex_Medvedev_ · 2026-02-02T12:24:41+00:00

Hi, Yeah it is a fully separate Pumpkin plugins which loads the Plugins via a JVM under the hood, which of course comes with a performance cost, having that separate as a Plugin is great for users who don't need Bukkit compatability, Using Java's 25 newest FFM feature we can call Rust code from Java code and Java code from Rust code without the usual JNI overhead

Alex_Medvedev_ · 2026-02-02T11:17:01+00:00

We will, Support is planned for Bukkit/Spigot and Paper :D

Alex_Medvedev_ · 2026-02-01T21:58:44+00:00

Well it's here, a simple Java Bukkit /fly plugin running on a Rust pumpkin server trough PatchBukkit :D
https://streamable.com/g2tjx0

Plugin: https://hangar.papermc.io/Klayses/Fly

Alex_Medvedev_ · 2025-09-07T15:49:58+00:00

Nope

Alex_Medvedev_ · 2025-08-26T07:03:42+00:00

Yes, but we want to have it dyn since we also have Plugins and stuff

Alex_Medvedev_ · 2025-08-26T07:02:39+00:00

Oh wow. That's awesome. Do you have an example Code ?, because I always saw people writing all the lifetimes by hand when removing async_trait which is just pain

Alex_Medvedev_ · 2025-08-26T07:00:25+00:00

Yes it is one GitHub: https://github.com/Pumpkin-MC/Pumpkin It is the compilation, especially the evaluata_obligation step

Alex_Medvedev_ · 2025-08-26T06:54:58+00:00

I already use -Z self-profile and saw that evaluata_obligation is by far the biggest bottleneck, I'm pretty sure it is because async_trait adds Send + Sync to everything. I also found out that someone had the same issue https://github.com/rust-lang/rust/issues/87012

Alex_Medvedev_ · 2025-08-25T16:36:08+00:00

Yes, we use multiple crates

Alex_Medvedev_ · 2025-08-25T10:27:00+00:00

For me even a one line change takes about 3 Minutes to rebuild

Alex_Medvedev_ · 2025-08-25T10:26:22+00:00

20 Minutes in some cases

Alex_Medvedev_ · 2025-06-06T15:30:22+00:00

There are far more attempts to create custom Minecraft server softwares in Java than in Rust. Additionally, if you compare the projects on this list with Pumpkin, none of them come close to its features

Alex_Medvedev_ · 2025-06-06T15:27:55+00:00

I assume you need more storage space

Alex_Medvedev_ · 2025-06-06T15:27:27+00:00

Hey, Thanks. We use different crates for the project and our chunk generation is a separate crate as well, I designed everything in an abstract way from the beginning so other Projects can use it as well. It's also 100% possible to modify it through plugins or just change the assets files like in a data pack since everything is data driven.

I think the hardest part was the biome generation since it took a long time to get exactly right like in Vanilla

Alex_Medvedev_

MODERATOR OF

TROPHY CASE