Questions about redstone contraptions and machinery in Minecraft. For command block contraptions, use [tag:minecraft-commands] instead.

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4
votes
3answers
95 views

Detect broken blocks that don't drop items

I'm trying to make certain aspects of survival more "painfully realistic" using command blocks. One of those things is that I'd like mining through stone (or other hard objects) with your bare hands ...
0
votes
2answers
161 views

Can I make an invisible block which only people with a specific item can go through?

I am currently making a server, and I want to make an invisible block in which only people with a specific item can go through(in this case, a nametag called:key). Is there a command to do so? I am ...
0
votes
2answers
52 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?
5
votes
1answer
59 views

Minecraft execute tellraw's clickEvent from original entity, not player

I'm using a command like this: /execute @e[type=ArmorStand] ~ ~ ~ tellraw @a[score_goto=-1] { "selector": "@e[type=ArmorStand,r=1]", "clickEvent": { "action": "run_command", ...
3
votes
1answer
46 views

System with multiple inputs, but when one is activated it disables the other inputs

I am currently working on a bank system. However, it cannot accept multiple inputs at the same time (through multiple ATMs). So I made it so that every ATM will output a signal when a user has ...
3
votes
1answer
154 views

Why won't this redstone and command block setup work like the other one?

I'm trying to make an RPG adventure where the player can interact with different stuff. For example, if he walks up to a crafting table, then this text should come up in chat: [Robert:] I wish there ...
3
votes
1answer
150 views

Determine Minecraft item type from entity or inventory?

I have a dropper which can contain, of course, any items. Assuming I can already target this dropper in a command's target selector, how can I determine what item is in the first slot of its inventory ...
1
vote
1answer
70 views

Wireless Redstone Lamp without Command Blocks?

So I want to create a building that shows no Redstone. And one of the problem is the lighting. I really want to see if I could get a Redstone lamp float above ground by 1 block and be able to be ...
1
vote
1answer
190 views

My wooden pressure plates aren't deactivating

Ever since the 1.6.2 update, if something activates a wooden Pressure Plate it will stay activated. It only happens on one world, and even then only in 2 chunks (my HUGE survival world). Is there a ...
0
votes
1answer
38 views

'/testfor' a number more than 0

I am making a points shop for kills. I have the objectives money and kills. When I press a button, a command block tests for my kills (hopefully) above 0, and if that is a thing, it takes gives me one ...
0
votes
1answer
42 views

Increasable and decreasable signal strengths - Minecraft

I want to be able to press a button to increase a signal's strength by 1 and press another button to decrease it by 1. I have thought about making 15 t flip-flops, but that sounds like a difficult way ...
0
votes
1answer
42 views

How would I testfor players scoreboard amount in a specific location?

I have been trying to find a way to testfor a player with a score of 1 in a z.y.z.r location. what I've tried was /testfor @p[X,Y,Z,R,score_Var_min=1,score_Var=1] but it doesn't seem to want to work. ...
0
votes
1answer
53 views

comparator problems

While I was playing with some redstone tried to make a money system to sell iron. However when I power the command block with a button, the comparator after it stays on. the command being run is: ...
-1
votes
1answer
28 views

how to use score_-_min on effects

I'm trying to give effects to a player who is holding a certain sword using scoreboard objective but the command block literally just does absolutely nothing, it doesn't even give an output
1
vote
0answers
58 views

Redstone circuit that activates on short pulse and does not activate on longer pulse

I made a circuit that activates on a long signal but I am missing one that activates on a short pulse and does not activate if the pulse time exceeds a certain pulse. Everything I made still activates ...
1
vote
0answers
17 views

Greg's SGcraft stargate redstone issues

I am using Greg's SGcraft for minecraft 1.7.10, and the stargate is supposed to output a redstone signal when active. It does that, but when the gate turns off, the repeater stays active unless I ...
0
votes
0answers
30 views

Vertically stacked armor stands should have increasing scores, but don't

I'm trying to make a goalpost system for a custom map I'm designing. The idea is that a goalpost--consisting of a tall stack of iron bars--would have variable height, and at each block up and down the ...
0
votes
0answers
19 views

minecraft take Nth item from chest

Hello I dont know if it is possible, but I wanted to ask how can take Nth item from chest? Like I have 7 items in chest in 7 slots and I want take the 4th. Hopper always takes the first one. Can you ...
0
votes
0answers
73 views

Turn based redstone system

I'm trying to build a map in Minecraft on PS3, so far I've build a redstone counter. You can select up to 4 players and the counter counts up which player has to play. But I have no idea how I can ...
0
votes
0answers
70 views

Minecraft 15w37a: Pistons not being pushed

I'm trying to make a bank for a "minecraft city." I use this technique that ACtennisAC used: The pistons are to "automatically" push the minecarts. However, whatever ...
0
votes
0answers
37 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?
-2
votes
0answers
33 views

How to make a scoreboard countdown

I am trying to make a countdown on Minecraft using the /scoreboard command, but I have been unsuccessful in doing so. Is there a way that I can do this? I have tried doing /scoreboard objectives add ...