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Minecraft: Java Edition now uses SDL3

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Re: Minecraft: Java Edition now uses SDL3

#121

Post by Velocifyer »

cogman10 wrote: post #56
velcrovan wrote: post #14

Anyone got any advice for a techy dad with no (zero) Minecraft experience who wants to set up a Minecraft server for the family in 2026? Kids right now are playing on their iPads, and (sometimes) old macbooks/windows PCs.

My main advice, ignore all advice online about JVM tuning minecraft. It's dated and often just wrong. The best thing you can do is run on the latest JVM, set your max memory as high as you can tolerate, and use ZGC. That's it. The JVM tuning guides for minecraft will have you switching and toggling every JVM flag under the sun with extremely dubious "evidence" of the payout for the flags they switch. In some cases, t…

Do not set the heap size to more than 8GiB, even if using heavy modpacks. Anything above 8GiB actually makes the game run worse, unless you have tons of players, because of GC lag.

Re: Minecraft: Java Edition now uses SDL3

#122

Post by poly2it »

repeekad wrote: post #60
mort96 wrote: post #16

Earlier quoted context omitted.

Delay a release? Sure. But delay a snapshot? Why? By releasing the snapshot in this state, they learn both 1) how big of a problem those known issues are (how often does entering exclusive fullscreen crash the game on Windows? They presumably have telemetry for this), and 2) if there are other, as of yet unknown issues they need to fix before release. The earlier you learn these things, the better. There hasn't ever…

Are snapshots explicitly a beta channel? Or do users get auto updates to them? Testing for bugs in prod shouldn’t be acceptable unless users expect bugs in exchange for getting latest features early in something like a beta channel

Snapshots are only for testing. They are sometimes not forwards-compatible.

Re: Minecraft: Java Edition now uses SDL3

#123

Post by jamilton »

dismalaf wrote: post #86
nvme0n1p1 wrote: post #75

Earlier quoted context omitted.

If he wanted AI slop, I'm sure he's capable of asking an AI himself. He asked a forum full of people because he wants a real answer from a knowledgeable person. If you didn't have anything to contribute, you could have just left it for someone else to reply.

Well, I've used both GLFW and SDL and can say SDL is more robust, covers more edge cases, etc... And he specified he only wanted an answer from someone in the know, so probably no one here anyway. Also it's weird complaining about slop when HN is 99% slop, and has been for a long time. It was only interesting from 2008-2016 or so.

It’s entirely possible that Mojang has a blog somewhere with more detail, or maybe a dev tweeted something, that would be the type of useful info that could exist that someone more familiar with Mojang might know.

Re: Minecraft: Java Edition now uses SDL3

#124

Post by Velocifyer »

pjmlp wrote: post #74
Velocifyer wrote: post #40

Earlier quoted context omitted.

Go to https://minecraft.wiki/w/Tutorial:Setting_up_a_Java_Edition_... for how to create a vanilla server for Minecraft Java edition (which is the best version, but is only on Windows and MacOS and Linux, unlike the significantly inferrior bedrock edition, which is way buggier but is avalible elsewhere). If you need more performance, install [fabric]( https://fabricmc.net/ ) and then install [lithium]( https://modrint…

And less capable as one is limited by the official extension points, instead of the anything goes with bytecode manipulation.

I assume you mean bedrock edition, but you did not specify.

Re: Minecraft: Java Edition now uses SDL3

#125

Post by correct_horse »

neals wrote: post #118

They still update that? I thought it's all bedrock now?

All of my gamer friends exclusively play Java edition and so do I. Also minecraft's most active speedrun category (any % glitchless, random seed) uses version 1.16.1 on Java edition. The biggest server of minecraft youtubers, hermitcraft, runs on java edition. I suspect some younger gamers whose parents bought the first copy for them on the microsoft store play bedrock?

Re: Minecraft: Java Edition now uses SDL3

#126

Post by bombcar »

malteeez wrote: post #80

The lwjgl bindings for this were written by a member of the GTNH modpack team, thereby completing the chain of vanilla->modded->vanilla once more https://github.com/LWJGL/lwjgl3/pull/1033

GTNH has done more for Minecraft than Microsoft has, arguably. The level of care and work there is incredible- and that’s not just because I’ve contributed a bit here and there.

Re: Minecraft: Java Edition now uses SDL3

#127

Post by bombcar »

velcrovan wrote: post #14

Anyone got any advice for a techy dad with no (zero) Minecraft experience who wants to set up a Minecraft server for the family in 2026? Kids right now are playing on their iPads, and (sometimes) old macbooks/windows PCs.

No joke serious - play GTNH. You can turn off the mobs if needed and the quest book is phenomenal and the feeling of accomplishment is real.

And you can stay in steam forever if you wanted.

Re: Minecraft: Java Edition now uses SDL3

#128

Post by Guvante »

velcrovan wrote: post #14

Anyone got any advice for a techy dad with no (zero) Minecraft experience who wants to set up a Minecraft server for the family in 2026? Kids right now are playing on their iPads, and (sometimes) old macbooks/windows PCs.

Minecraft realms aren't as powerful as a server but if you are doing Bedrock to support iPads then it is certainly the easiest way to do it.

Re: Minecraft: Java Edition now uses SDL3

#129

Post by JamesSwift »

velcrovan wrote: post #14

Anyone got any advice for a techy dad with no (zero) Minecraft experience who wants to set up a Minecraft server for the family in 2026? Kids right now are playing on their iPads, and (sometimes) old macbooks/windows PCs.

The server is simple, theres plenty of docker examples online. Cross play between bedrock and java edition, and connecting to custom servers on eg switch is the harder part. And using linux as a client is more advanced.

Re: Minecraft: Java Edition now uses SDL3

#130

Post by mudkipdev »

inigyou wrote: post #102
int0x29 wrote: post #100

Earlier quoted context omitted.

Set JVM heap to half available memory. Mincraft is very much the kind of appication that benifits from filesystem cache to help with loading chunks. Also if for some reason you are setting the heap size high avoid going past 32 gb unless you tune object alignment. Allocating between 32 and 47 gb will result in an effectively smaller heap. Allocating more than 32 gb can result in performance penalties.

Wow. When I played Minecraft, 1GB was enough and 4GB was a lot. I know that since 1.8 Microsoft rewrote large parts of the engine to make them less efficient and more ivory-tower, but I didn't know it was that bad.

FWIW I still run a server for 5 people with 2GB ram and the performance is fine.
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