Redstone in Minecraft is most commonly found deep underground in the form of Redstone ore. When mined, it gives Redstone Dust which can be used by players to create complex redstone circuits.

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Easy way to execute remote admin commands?

So I'm finishing up my survival games map, adding final touches and such, but... I need an easy way to execute remote admin commands, like setting my own gamemode to creative, starting the game, or ...
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2answers
43 views

Teleport a player to face an entity?

If I have an entity, is it possible to teleport that player to face the entity without teleporting the player to the entity (Just changing his rotation)? How could I accomplish this?
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2answers
133 views

How can I check if a player is in the air with /testfor?

I'm interested in negating fall damage with command blocks by giving players Resistance as they're falling. How can I use /testfor to tell whether a player is on the ground or in the air?
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3answers
172 views

How to reset a command block's status?

I'd like to use a comparator to act when e.g. a testforblock command block attached to a button triggers. But the comparator changes its state only when the button is pressed after the test result ...
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4answers
6k views

How do I use the /kill command to ONLY kill mobs?

I have a Redstone Power loop that connects to a Command Block that is set to kill all entities except for myself (/kill @e[type=!Player]), because I'm building a creative map, but don't want slimes ...
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1answer
44 views

How do I make the time between dispensers longer and random?

I have five dispensers shooting out chickens (it's for a minigame). I've been trying to figure out how to make them drop randomly and not so fast. The image below is my current set up... As you can ...
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1answer
33 views

How do I make a mob riding another mob and make the rider invisible?

I want to have an invisible blaze riding a bat so it looks like a bat is shooting fireballs. If I do /summon blaze ~ ~5 ~ {ActiveEffects:[{Id:14,Amplifier:1,Duration:999999,{Riding:{id:"Bat"}}}]}, it ...
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1answer
31 views

Can I make a redstone clock that detects certain words? [duplicate]

I made a vanilla minecraft server and I made a redstone clock attached to a command block with /testfor that detects players. Can I change the /testfor from detecting players to detecting certain ...
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1answer
117 views

Minecraft - Implement Random Access with Redstone

I'm trying to build a machine in Minecraft that will act similarly to an array. It will be implemented using physical blocks, not using a traditional redstone CPU type architecture of redstone signal ...
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1answer
20 views

How to place redstone using Command Blocks

I used this to place redstone: /setblock -624.5 244 -1692.5 redstone 0 replace It gives an error saying that there is no such thing as minecraft:redstone. I tried many different things and nothing ...
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1answer
18 views

How do I make the comparator work and then stop?

I made a redstone clock that involves a command block with /testfor and a comparator attached to it. Whenever the /testfor works, the comparator turns on, but completely.(meaning it does not turn off ...
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2answers
978 views

Trail of particles from a point to TNT

I have a map where I spawn Primed TNT then teleport it to a random Mushroom Cow which is invisible to make 100% random explosion. Now I want to make a particle trail from an orb kind of block in the ...
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39 views

How do I make a server-friendly auto brewer? [closed]

I need to make an automatic brewery that places bottles of water and collects the potions automatically. How can I achieve this?
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1answer
956 views

How can I make a reliable and compact random timer?

I need to make a reliable random timer that powers a redstone wire and that is as small as possible. It should send about a pulse every second or half second, but obviously be slightly varied. It ...
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2answers
57 views

How would I make a commandblock do setblock at a certain player

I was using setblock a lot and playing around with it, until I came with the idea, what if I could use setblock to make a game like Runner, from Mineplex, to make the blocks disappear when they run ...
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2answers
100 views

How do I make a rain detector on Minecraft?

I am making a server and it rains alot. rain lags up my computer so every time this happens, I have to type in /toggledownfall. Is there a way to make a simple redstone creation that detects rain, ...
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2answers
229 views

How to test if someone died twice and then put them in creative with invisiblite x in command blocks

I am doing a minigame map, and there are a couple events I want to set-up: If someone dies twice they will be eliminated and put into creative with invisibility X If all of a persons wool is ...
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4answers
165 views

How can I make an automatic cobblestone breaker?

Is there a way to break blocks with a redstone/piston system and then pick them up with a hopper in vanilla Minecraft. I want to make an automatic cobblestone breaker. I know that I can break sand, I ...
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1answer
69 views

/testfor (Minecraft PC)

I've created a dummy objective, 'time' and have a 1 second repeater clock adding 1 to the score for @a every second. I then have a command block that will execute a /testfor to check when the score ...
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2answers
6k views

How do I make a Redstone Door that opens with a lever?

I am making a castle in my minecraft world but I want a door that villagers can't enter. So, I decided to make a redstone door but everything I looked up on google seemed to complicated. please ...
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1answer
26 views

Coordinate of player standing on a certain block

Im new to mc commands and im building a parkour where if a player falls on a red wool that particular player needs to be teleported to the start of that level. the problem is that many players can be ...
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2answers
25 views

Minecraft: using scoreboards as varibles

In my minecraft map, I have a scoreboard, mainvars, that I made by running /scoreboard objectives add mainvars dummy, that has 1 player called var I made by running /scoreboard add players var ...
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2answers
43 views

how do I trigger a /setblock command without a /testfor?

In my map, the player goes to sleep, then wakes up and finds the windows are changed from regular panes to red ones stained with blood. But if I do /testfor, it will trigger whenever the player passes ...
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2answers
133 views

How to put a redstone block in clock mode?

I saw this video by SethBling. (The video is caught up to the moment of my question) He says "Make sure these are in clock mode" what does he mean by clock mode?
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1answer
80 views

How do I make a day/night automatic double door?

How do I make a double door which opens and closes depending on whether it's day or night?
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1answer
3k views

How to testfor blocks not people

how do I testfor blocks? like if I put down stone near a command block with a comparator attached to it and it will activate a piston connected by the comparator on the command block? please answer.
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3answers
306 views

How should I go about “reseting” a large arena?

For a minigame map I am making, I have a large (320*320*116) destructible arena. Players get explosives, blocks, etc. and the entire area can change. At the end of the match, I would like to restore ...
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1answer
749 views

How to make a tree miller

Tree milling There are plenty of videos about already done tree miller. But none explain how to build one. I'm currently trying to create one and share it with you once done but I'm stuck. What I ...
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2answers
84 views

How do you activate different redstone currents each time?

For a map I'm making, there's a "Palm Reader", represented by a villager. When you throw a diamond into a nearby hopper, it gives you a fortune. Is there a way to activate different /say command ...
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0answers
15 views

Add to data on an item (firework) using entitydata

I would like to add data onto a firework (item entity) by using /entitydata, but whenever I use the command, it replaces what is there. Is there any way around this?
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2answers
381 views

How do I replace the non-air blocks in a 5x5x5 area?

Is it possible for me to replace all non-air with stone blocks in a 5x5x5 box around where I am having the command executed? What is the command to do this? Note: I believe that I can do it by ...
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2answers
90 views

RPG-esque Area Names on Entry in Minecraft

So the title command lets you put a fancy thing across people's screens like you might see in some RPG. I'd like to use this as a way to give names for areas in my adventure map- for example, they ...
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1answer
11k views

Summoning PrimedTnt with custom fuselengths

How can I summon PrimedTnt with a custom fuse length? I know I have to add some attributes to it, but I'm not sure as to how I can do that. Does anyone know? Also, is there a way to turn TNT explosion ...
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1answer
30 views

Why wont /testfor work?

I've been trying to do /testfor @a [r=5] for something, but it wont work! It just gives me an error message like "Data tag" something something "Unexpected "[" as first char." I've done the command ...
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1answer
78 views

Why is it when I do “/kill @e [type=!player]” in a command block I die?

I need this command to be able to reset my mini-game map, but I don't know how to do it! Am I doing it wrong?? I've found other websites that say its just like that, so I don't know what I'm doing ...
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8answers
27k views

How far can redstone current travel?

I know that there is a 15 block limit before a repeater is needed, however I am looking for the TOTAL distance that current can travel. Is it infinite? Can I keep adding repeaters and go on forever? ...
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2answers
279 views

What's wrong with my command? (might be me or a bug)

So I have this simple setup to show what the problem is: this command block checks for a quartz block above it: this one checks if the left command block's previous output is true: But then when ...
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6answers
7k views

How do I make a 1x1x2 piston door that opens when I step on a plate and not the other way around?

In Minecraft I need to make a piston door that opens when a plate is stepped on, it is normally the other way around. Does anyone know how? A video would be helpful but not required.
6
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1answer
1k views

Minecraft - Secret passage behind staircase?

I have a hidden fortress built, and near the entry, you move down a staircase into the main reception area. At the bottom, I have the 2 middle steps and the row just above it also has 2 middle steps ...
3
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3answers
93 views

How to make a Pulse only activate on the second time activated?

I've hit a problem while making a map. I want one command block to activate on the the first pulse but another when I hit the button a second time. If there are any Redstone pros out here then could ...
4
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1answer
163 views

Creating Quests with Command Blocks: Problem Testing Unset Objectives

I've got a Realms server, and I'm trying to create a series of quests that people can complete to up their overall "Defender of the Realm" score. However, I only want them to be able complete each ...
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2answers
3k views

Is there a way to place a command block with a command in a chest and/or dispenser?

I'm in the new snapshot and trying to make a random TP out of a dispenser and command blocks just like SethBling in his snapshot video just with the difference that I want to place the dispenser with ...
2
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1answer
45 views

Messing with Mob Equipment in Vanilla

I'm wondering if anyone knows of a way to equip a mob with an item that already exists using vanilla minecraft 1.8 commands. Specifically, if an Item entity is on the ground, is there a way to put ...
2
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3answers
6k views

Is there a way to display a player name in /tellraw command?

like the title says, I'm looking for a way to display a player name in a /tellraw command which is run by a command block. Example: /tellraw @a {"text":"","extra":[{"text":"A player has won the ...
106
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4answers
10k views

Is Minecraft Turing-Complete?

Minecraft has the redstone wires mechanism that can be used to build circuits. Is Minecraft Turing-Complete, i.e. can it be used to simulate a Turing Machine (if we ignore the problem of infinite ...
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1answer
78 views

Detecting items in a Dropper

I am standing on a dropper facing upwards, with 64 stone blocks in the top-left slot, and I am running this command: /testforblock ~ ~-1 ~ dropper 1 {Items:[{Count:64,Slot:0,id:stone}]} but for ...
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1answer
35 views

make player inable to deal damage to someone minecraft

Ok so I made a mechanism where if you get hit, you get hit by lightning. However all the redstone freezes and stays on if you spam it. Because it test if you have stat.damageTaken and if it is 1 or ...
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2answers
131 views

Minecraft Redstone detecting players standing on a block in a radius!

So, basically, I need to make it so that if a player is standing on a block of black wool in a radius of 50 (from the contraption), it will kill them instantly. how is this possible, if at all? I ...
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4answers
2k views

Command Block always activates Comparator

I am trying to do something with command blocks. I have it test for a player at a certain position. I have set up a hopper clock that activates a command block with /testfor @a[x=-611,y=80,z=714] ...
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2answers
1k views

How do I teleport players based on their teams?

I'm making a costum map which uses comandblocks to teleport players to a spot. The commandblocks are setup under two rooms. (One for team red players and one for team blue players). I need to teleport ...