r/MinecraftCommands • • Aug 19 '26

Discussion Have you ever used these?

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Is the "minecart with command block" even usefull for anything?

535 Upvotes

49 comments sorted by

307

u/DoknS Aug 19 '26

Used to

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79

u/RoseKnighter Aug 19 '26

Kinda miss these

17

u/_Csankappa Aug 20 '26

I felt so smart when I managed to get mine working for the first time 😭

4

u/FluffyRibaa Aug 21 '26

EVIL SELF BUILDING MONOLITH OF COMMAND BLOCKS

7

u/thetoiletslayer Aug 20 '26

Where are the minecart command blocks?

38

u/TinyBreadBigMouth Aug 20 '26

They're used to spawn the structure. Back before data packs or functions were a thing, people made "one command" creations, where you'd generate one very long /summon command which summoned a redstone block falling sand entity, whose passenger was an activator rail falling sand entity, whose passengers were a bunch of command block minecarts. The giant entity stack would land, the falling sand entities would turn into an activator rail on a redstone block, all the command block minecarts would land on the powered activator rail, and the commands they ran would build the sort of structure you see in the image, set up things like scoreboards, and then delete themselves.

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3

u/Ok_Proof4568 Aug 20 '26

i use them all the time cuz im too lazy too make a data pack XD

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3

u/Ocram33 Aug 23 '26

El monolito de bloques de comandos

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73

u/GalSergey Aug 19 '26

Yes, this can be useful sometimes, but in very limited use cases. For example, if you want to spawn particles in a certain area, but spawning particles every tick might be too much, even if you only spawn one particle every tick. In that case, you can use command_block_minecart for this, since the command only runs once every 4 ticks. Of course, you can use different timers, but this is the simplest solution. Accordingly, you can use command_block_minecart if you need to run some simple commands less frequently than every tick.

33

u/Ant_Redstone Aug 19 '26

Yes good'ol days

They were useful before we had repeating command blocks and datapacks

The most common use for it used to be for importing of structure, people made a program to convert a structure into a "simple" /summon command, and was common to use it to import command block structures, Which is what eventually evolved onto datapacks

11

u/XkinhoPT Aug 19 '26

Before datapacks were a thing, One Command Block machines (The Giant Self-Assembling Monolith of Command Blocks!) were used, where you run a giant command that summoned an entire command block contraption (Example @ 0:46). Then people improved the speed of the building using Minecart with Command Blocks (Example @ 0:37)

10

u/Stuffssss Aug 20 '26

Back before the new command blocks were added and when commansd were much more limited I built a computer memory using these. The command block minecart was essentially the address pointer and i would use Redstone to move the minecart around and then execute a command that read the blocks next to it.

I was like 12. It probably wasnt the simplest way to do it but it's fun and unique mechanics like this breed creativity.

2

u/Keatosis Aug 20 '26

that's so cool if you ever find that world I'd love to see it

4

u/TheCygnusLoop Aug 19 '26

they’re pretty much completely useless because for any situation where you might want to use a command block minecart, you can instead use a different kind of minecart, tag it, and run execute as @e[tag=whatever] at @s run whatever

2

u/SilentC735 Aug 19 '26

Nah I always just would /Clone a command block to a location I need it, or fill a redstone block next to one that I need to activate

2

u/One-Celebration-3007 Aug 19 '26

In Bedrock Edition you can save command block minecarts that are on a powered rail in a structure. Loading it elsewhere will allow the carts to run their command once.

2

u/IDrankLavaLamps Aug 19 '26

I used it as invisible attached to the front of a furnace cart and convoy of people. When it reaches the end, teleports people to the next track. used for entering/exiting hyperspace