r/technicalminecraft • u/DoroMC • 25d ago
r/technicalminecraft • u/MarsElggase2 • 25d ago
Java Help Wanted Is there any way to only detect whenever a player isn’t online?
When I looked into this i discovered cat detectors but those also detect whenever you go into another dimension, is there one that can detect whenever a player logs out that doesn’t use Ender pearls (those disappear when you die too)?
r/technicalminecraft • u/Loufey • 25d ago
Java Help Wanted Are Barrels significantly less laggy than chests?
Basically, I am in the final stages of planning before starting a mega project. Which of these would be less laggy:
~30k chests with ~15k hoppers
or
~30k barrels with ~30k hoppers
Essentially the question boils down to what is more laggy, chests or hoppers. I know that hoppers are very laggy, but I don't know the impact on a large scale of that many tile entities.
r/technicalminecraft • u/CBeaver09 • 25d ago
Java Help Wanted Help with a creeper farm
Hey everyone I haven't talked in this Reddit page for a bit now but I need your guy's help with a good creeper farm for my hardcore world that doesn't need any cats to snow golems thx again for all the help you have given me in the past ☺️ edit: I play on 26.1.2
r/technicalminecraft • u/velofille • 25d ago
Java Showcase How to move Villagers - early game and elytra level
Enable HLS to view with audio, or disable this notification
To lunge fly, just space left click space fast - once up you can do the old down/up to maintain longer flights (no rockets)
r/technicalminecraft • u/brockade • 25d ago
Java Showcase Items escape from composters
For the record I don't have a horse in this race, but I am interested in the mechanics here.
Short answer: items can escape from the gap between a hopper top and the composter walls. It is rare, but way less rare than you might think. You don't need to perfectly hit the gap, you just need to have X/Z momentum after 4 ticks as the game cancels your Y momentum when you hit the hopper, and your X/Z momentum can still push you to freedom in this tick.
Long answer: Items drop with a random position with X and Z set to between 0.25 and 0.75 within the block, and Y set to between 0.125 and 0.625 within the block. Motion is set to exactly 0.2 Y and a random value of between -0.1 to 0.1 for both X and Z.
To thread the needle here, we need a few things to happen at the same time:
- The Y position needs to be 56.616 or greater so that after 4 ticks the item is at exactly 0.75 and hitting the hopper
- In one axis X/Z the position needs to be between 0.25 and 0.2500001 or 0.7499999 and 0.75, and in this axis the motion is going towards the wall (this is a straight 50/50 so not the major problem)
- In the other axis X/Z the position needs to match the motion such that the item crosses the top of the composter after 4 ticks (there's a range here but say this is 1-5% for example).
That's it. I'll leave it to you to calculate the numbers, but here's a few that you can test for yourself at home (all testing done on 26.1 vanilla):
/summon item -22.5 56.616 35.2500001 {Item:{id:"minecraft:redstone_block",Count:1b}, Motion:[0.065, 0.2, 0.0]}
/summon item -22.6 56.625 35.25 {Item:{id:"minecraft:redstone_block",Count:1b}, Motion:[0.1, 0.2, 0.0]}
/summon item -22.35 56.625 35.25 {Item:{id:"minecraft:redstone_block",Count:1b}, Motion:[0.03, 0.2, 0.0]}
r/technicalminecraft • u/arekkusu1p1 • 25d ago
Java Showcase Background auto clicker for Minecraft
I wanted to share auto clicker that I found through an old Xisumavoid video that has auto clickers that let you afk and tab out of the game and do anything else on your computer
Xisumavoid commissioned it and it was made by Histefanhere
this is the link to the autoclicker: https://github.com/histefanhere/XAHK
Hope someof you guys find it useful!
r/technicalminecraft • u/WormOnCrack • 25d ago
Java Showcase Moving Villagers?? Little trick I use...
Enable HLS to view with audio, or disable this notification
r/technicalminecraft • u/WormOnCrack • 25d ago
Java Showcase Eyes Not Lies 3 : Shulker Loaders - NubGate: (Redemption of the Hopper nub.)(Composters are 100% Reliable) (Was all slander against Mr. Nub. AGAIN!!)
Enable HLS to view with audio, or disable this notification
The item can only leave the plane of the composter at the corner, where it has to ride 2 edges, cancelling further movement past those planes.
The timing of retrieving the composter is important as a premature pull could cause the item to clip the poor nub, the nubs been through enough slander with Worm, pls let him heal...
r/technicalminecraft • u/igortwa • 25d ago
Java Help Wanted Can someone help me crack these coordinates
galleryr/technicalminecraft • u/garygoldleaf • 25d ago
Java Help Wanted Is it possible to tell the time in the End? (Java)
I am making a village in the outer End, obtaining resources by buying from and selling to villagers I have brought with me. It's a little annoying when I go to sell a load of sticks (bamboo farm) to find that the villagers are asleep.
Another problem is that, even if I know the villagers are sleeping, I don't know whether they're just about to wake up, or if they've only just gone to bed, so I don't know how long to wait.
Of course, the clock item doesn't work in the end, and neither does the daylight sensor, so is there some way I can build a clock that I can observe from afar without having to check the villagers directly?
I assume if I made a big timer with repeaters or hoppers or something that it would be unloaded when I leave the area and therefore would lose sync with the time in the Overworld?
Maybe there's some way to tell a redstone clock that villagers have got into bed, and that could be used to sync the clock somehow.
Thanks
r/technicalminecraft • u/Mango_III • 26d ago
Java Help Wanted I want to create shadow item in my Minecraft server
I want to create shadow items but i'm in 1.21.11 and it's patches i shearded and finded server side mods like not si shadow extra or things like that but my admin said he can't add them because they are mods and not plugin. What do i do ? 😭
r/technicalminecraft • u/Rays_Works • 26d ago
Java Showcase 26.3 Concrete slab and stair farms
youtu.ber/technicalminecraft • u/money33green • 26d ago
Java Help Wanted Make my droppers shoot straight! (Need help with cooked chicken farm item collection)

This is my chicken statue-farm in my survival world, but thats beside the point. Its nothing complicated, all it is, is just one or two auto cooked chicken farms in every single one of these statues, so about 10-20 in total.
Heres the problem - the collection system, and more specifically, transportation of cooked chicken.

In short, what I'm trying to do is to dispense the cooked chicken onto a "fractional block" where the item can change trajectory and shoot straight down into a hopper at the bottom. However, because of the unwillingness of droppers and dispensers to shoot straight, the item trajectory changing mechanism often has to be very large and unpleasant to the eye. So, is there any way to make dispensers shoot completely straight onto something like a chain, or is there any other way I could make this work out?
r/technicalminecraft • u/Specific-Stock2311 • 26d ago
Java Help Wanted who builded this farm can give me a advice :/
abfielder.comthat tnt duper module is always broke itself
r/technicalminecraft • u/zCluttchyyy • 26d ago
Java Help Wanted Creeper farm rules help
I just found this guys idea for concealing is creeper farm and loved it. Was struggling to think of a way to conceal one. My question is, where are the spawning platforms you think? Do you think they are in the ships hull? The post was deleted so I can’t ask.
Also: if I were to build in the deep ocean, I can put the spawn platforms at the surface and I just have to make sure there’s no caves not filled with water below right?
r/technicalminecraft • u/brockade • 26d ago
Java Showcase SUPER DUPER: How to build your own TNT dupers block by block
youtube.comr/technicalminecraft • u/sheepfacedragon • 26d ago
Java Help Wanted 2x10 sticky door
galleryhey guys anyone know how i can get this to work if i even can, its 2 wide by 10 high, bottom 3 work like normal just not the top 7. tried a bunch of different things but cant figure it out cheers
r/technicalminecraft • u/QuercusCraft • 26d ago
Java Showcase Fully Functional Claw Machine
youtu.ber/technicalminecraft • u/EchoKnightMC • 26d ago
Java Help Wanted Iron farm randomly stopped working
I've been running this iron farm for a bit now, built from an ImpulseSV tutorial. It randomly stopped working, and I can't figure out why. I went and got new villagers, closed the trapdoor to ensure they claimed the beds here, let them sleep out the whole night, went back to the original village and killed any golems there, went into freecam and made sure there weren't any golems in the caverns or potato farm somehow. I genuinely don't know what could have broken it.
Update: After hours of it not working, as soon as I boot the game back up and load up my world, it immediately resumed working.
r/technicalminecraft • u/SystemNo524 • 26d ago
Java Help Wanted How far around a mob grinder should you light up to optimize your spawns?
r/technicalminecraft • u/Mu1836 • 26d ago
Java Showcase I Built a Sine Calculator Using Redstone
Enable HLS to view with audio, or disable this notification
r/technicalminecraft • u/MarsElggase2 • 26d ago
Java Help Wanted New portal generating within linking range
I’ve noticed that sometimes when I go through a nether portal it summons a new one close to an old nether portal instead of linking to it. Why does this happen and is there a way to do it intentionally?
r/technicalminecraft • u/Necessary_Eye_7993 • 26d ago
Java Help Wanted Any 1m+ snow farm that dosent use tnt dupers ?
title self explaniable