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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17 views

Activate clock only when command block output is true

I'm trying to activate a clock when a player looks south. I got the command for it, but when I try to make a comparator clock even if I'm not looking south the comparator clock is still going, so how ...
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0answers
14 views

Test if player is holding something but the specified item

So I'm making a command block mechanism, but I need to test if the player is carrying something other than a specified item like testfor @p {SelectedItem:{id:minecraft:stick}}, whereas this instance ...
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3answers
337 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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0answers
28 views

How to randomly generate ores [on hold]

I have a superflat world, where I have some pretty big structures. I didn't think ahead when I was creating the preset, so there are no ores anywhere. I came up with the idea to (in creative) put down ...
1
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0answers
26 views

command to launch players into the sky? [closed]

I've been trying to find something for primed tnt on how far it'll launch you but I haven't found anything yet. I want to make a cannon that launches you into the sky and once you're at the peak, ...
2
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2answers
86 views

How can I /fill water?

I have a huge amount of area that i need to fill relative to the player's place. I tried typing /fill ~-80 69 ~-80 ~80 69 ~80 water which basically fills a 160x160 hole 1 block deep relative to the ...
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1answer
33 views

Add multiple commands to a single command block, and alternate with +/- redstone power

I am playing around with command blocks, and I just wanted to know if you could have multiple commands in one command block. If you can, is it possible to have one of the commands active when the ...
1
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1answer
64 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
18 views

Is there a way to set the rotation of an entity relative to another entity?

I want to make it so what ever direction I look a specified entity looks in that direction as well. Is there a way to do that?
1
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1answer
72 views

Place block in Minecraft with redstone?

I'd like to get ore, and place it (without command blocks) anywhere near the contraption. My question is could it be possible to do this, and if so how? Note: it does not matter on the timing the ...
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2answers
52 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 ...
0
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1answer
48 views

Playsound when a player leaves and area but not when they enter

I've got a sound paspawn and want to play it when people exit an area but not when they enter or teleport into it. The sound should only be played once. Thanks for the help.
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1answer
55 views

How can I detect if only one out of 8 lines of redstone is on and block the others from passing trough?

I have a (very) big redstone contraption used to store numbers for ALU's or minecraft computers. As of with most inventions, They get upgraded to preform better/get smaller from time to time, so to ...
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1answer
150 views

How do I teleport an armor stand to an item?

I am designing a redstone mini-game, and I need the game host to be able to set spawnpoints. I was thinking that the host would drop an item (say red wool) and an invisible armor stand named "Red" ...
2
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1answer
58 views

Getting a row of pistons to trigger

I have been trying to get an row of 7 pistons to fire when a block has been pushed in front of the middle one. Every technique I try is not firing them. This is a Cobblestone floor maker. Here is an ...
0
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1answer
201 views

How do I keep my hoppers from filling up when chests are full?

I'm not sure how to do this, but i believe it is possible. Basically, I want to know how to have a chest system, that when a chest is full, (no matter how many items there are per slot) the hopper ...
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2answers
89 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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1answer
1k views

How to use the scoreboard command in minecraft 1.8.1

trying to give a score to an arrow as it hits the floor so i can have a lightning bolt hit it when it hits the floor.All help appreciated.
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2answers
63 views

How to run commands depending on players scoreboard?

How can I teleport players based on their score on the scoreboard? For example, only if there scoreboard score is 1.
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2answers
97 views

redstone problems

I have several Redstone contraptions on my map, but while trying to build another, I'm having problems with pistons deploying once and getting stuck deployed, even when power is removed. they will not ...
2
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2answers
276 views

Using a command to replace wool blocks with command blocks which contain a command

I am trying to replace certain blocks in this case lime wool with a command block that contains a certain command. The following command to replace lime blocks with stone works. /fill ~-15 ~0 ...
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2answers
71 views

Testing for a block in a certain radius

I am making an arrow that explodes when it hits anything, but I need a way to testfor all blocks within a radius of 2 blocks to see if they're air or not. The only problem is, I dont know how.
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1answer
111 views

How to make a chest open with redstone or command

I have Minecraft 1.8.1 in creative mode and I would like to make a chest open visually, using redstone or commands, without touching it.
1
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1answer
173 views

How do I teleport a player to another entity while changing the player's rotation?

I want to be able to teleport to an entity but keep my original rotation? I tried /tp @p @e[type=ArmorStand] ~ ~. I have looked everywhere and tested even the most stupid lines of code, in hope I'd ...
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1answer
68 views

How do I set up a scorebord variable to act as a bool and later test for it

I am making a capture the point map in minecraft in which two teams are capturing points. I intended a capture point that switches color every time a redstone pulse is supplied. now i have a problem ...
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1answer
106 views

execute command setblock

Ok so when you throw a snowball I have /execute @e[type=Snowball] /setblock ~ ~-1 ~ minecraft:ice' So this makes an ice path following under the snowball. I had some code something like this and ...
2
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1answer
324 views

Clear item with custom name?

How do you clear 1 item from the inventory that has a custom name? What I'm trying to do is make a torch that when you hold it, it gives you Night Vision effect but after like 400 ticks or so I want ...
2
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2answers
417 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 ...
3
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1answer
200 views

Automated Crop Farming

I am wondering how would I automate this underground farm so I can flick a lever and have it all collected by water like for Sugar Cane and Wheat or Pistons for say Pumpkins or Melons.
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1answer
390 views

Minecraft; How can you use command blocks to detect player levels? [duplicate]

I'm trying to work on redstone works with a new adventure map, how can I make command blocks detect player levels? That's my main question, the rest I know how to work out but here's the purpose ...
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1answer
119 views

Check if a player is blocking

Is is possible to check if a player is blocking? If so, how is it done? It didn't have any stat that seemed right on the wiki, and I didn't see one when I hit tab on "/scoreboard add derp". Thanks for ...
1
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1answer
225 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 ...
0
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1answer
400 views

Trigger command blocks remotely?

I am currently working on a minigame, and I am trying to remotely trigger command blocks. Is there any way to use a lever and a command block to activate another command block 4K blocks away? For ...
2
votes
1answer
92 views

How do I check if a player has eaten rotten flesh in minecraft?

I'm working on a illness thing, and I need to make it so it checks if a player has eaten some rotten flesh then gives the player infinite hunger.
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1answer
195 views

Minecraft /testfor problem

I have another problem with my Minecraft PvP map. I'm trying to set up a command block that checks when a player is standing on a block and if so it will give them jump boost so I used this command ...
2
votes
1answer
345 views

Only allow certain blocks to be broken with mining fatigue

I want to make sure players cant break any blocks but wheat, while they have the mining fatigue effect. Is there a way to detect if they are trying to break the wheat or is there a way to only allow ...
-2
votes
1answer
642 views

In Minecraft, how much is a redstone repeater tick?

In Minecraft, there are these redstone repeaters that look like this. How much is one tick? Is 2 2x longer, how much?
0
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1answer
1k views

Minecraft Mob-Spawning in vanilla 1.8 server [closed]

I am making my own server and I am trying to make mobs not spawn in a certain area, I can't do a /kill @e[type=!Player] command because I have armor stands! So I was wondering what you guys thought. I ...
0
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1answer
50 views

How to /setblock a specific type of redstone (Debug mode) | Minecraft

I've had a look at the new hidden world type on 1.8, and I've just wondered how to get a type of redstone that goes up in the north part of the square, and I want to use the /setblock command to ...
5
votes
1answer
229 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 ...
0
votes
1answer
198 views

How do you make people drop extra items on death?

As seen in this video: (Skip to 5:53) ...
2
votes
1answer
95 views

Test for birch log in Minecraft

How do i get my command block to test for a birch log in 1.8? What are the new item names? I have already tried names like birch_log, 17:2 log:2 and so on. Google is against me on this as well.
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2answers
724 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 ...
0
votes
1answer
162 views

Minecraft command block order I need help in redstone

I would like to make a command block that when he found someone(testfor) in a specific condition (like, survival mode) a redstone signal will appear and activate another command block(the command ...
1
vote
1answer
114 views

How can I pulse one of several wires in Minecraft randomly?

My question is a bit familiar to How can I randomly power one of several wires in Minecraft?, but slightly different. Let's say I have 5 wires (or more), wire A, B, C, D and E. Now, I want to ...
0
votes
2answers
105 views

How do you combine two stats into one scoreboard objective?

I want to create a scoreboard objective for the amount of times a player falls 50 blocks, places a water bucket, and survives the fall. I only want the player to get a point if they manage to do all ...
5
votes
2answers
901 views

How can I teleport to an unloaded entity?

I am using invisible invulnerable ArmorStands to create "warps" and "homes" in a map. The idea is that I can spawn them in with a specific name, and then teleport a player back to them like this: /tp ...
1
vote
3answers
113 views

Is there a logic gate for this?

I have a set of lights that turn on based on time of day. I want to be able to turn on a separate switch and have the lights blink on and off with a clock I've already built. So basically, is there a ...
5
votes
2answers
350 views

How do you automatically detect water in Minecraft 1.8?

I'm building an automated farms for several crops, including wheat. The farm consists of a long cascade of farm fragments: Seen from side Currently, I have to manually toggle water off after it ...
3
votes
1answer
198 views

Where is there a key to the different redstone circuit notations used on the minecraft wiki?

There are lots of schematics of minecraft circuits online, but few of them reference the notation they are using and I am finding it hard to chase down what some symbols mean. The page on Advanced ...