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  1. Read this: https://gaming.stackexchange.com/questions/274911/how-do-i-delay-a-command
  2. Adapt it to detect when a minecart passes over a specific kind of block
  3. Make minecarts stop for X seconds when they pass over the specific kind of block (Redstone ore?) — constantly teleport the minecart to its current coordinates??
  4. Stop teleporting the minecart to itself, and it should continue

Can you crack it?
EnderKilla

Comments

  • Do the commands need to be active all the time, and work for any minecart that passes over redstone ore?
  • CoffeeAndChill
    CoffeeAndChill Lord, Engineer
    edited June 2017
    Do the commands need to be active all the time, and work for any minecart that passes over redstone ore?

    yes. using repeater/chain command blocks.

    delay should be 3 seconds (~60 ticks).
  • GJRickard
    GJRickard Wiki Editor
    you use traincarts
    deathlyangel74CoffeeAndChill
  • Done.
    0CC6R8m.png
    Total:
    5 repeating blocks, 6 chain blocks
    Usage:
    Iron block to stall, iron ore a few blocks in front to clean up tags.
    Run once:
    /scoreboard objectives add time dummy
    From right <<to<< left:

    Repeats (Unconditional, no redstone):
    /scoreboard players add @e[score_time_min=1] time 1
    /kill @e[score_time_min=DELAY_IN_TICKS,tag=stuck]
    /execute @e[type=Armor_stand,tag=stuck] ~ ~ ~ tp @e[type=Minecart,tag=stalled,r=0.4] @e[type=Armor_stand,tag=stuck,r=0]
    Bottom:
    /execute @e[type=Minecart] ~ ~ ~ detect ~ ~-1 ~ minecraft:iron_block 0 /scoreboard players tag @e[type=Minecart,r=0.1,tag=!stalled] add stall
    Top:
    /execute @e[type=Minecart] ~ ~ ~ detect ~ ~-1 ~ minecraft:iron_ore 0 /scoreboard players tag @e[type=Minecart,r=0.1,tag=stalled] remove stalled

    Chains (all chains set to Conditional, no redstone):
    /execute @e[type=Minecart,tag=stall] ~ ~ ~ /summon Armor_stand ~ ~ ~ {Tags:["stucking"],NoAI:1,NoGravity:1,Invisible:1,Invulnerable:1}
    /execute @e[type=Minecart,tag=stall] ~ ~ ~ scoreboard players tag @e[type=Minecart,tag=stall,r=0.1] add stalled
    /execute @e[type=Minecart,tag=stall] ~ ~ ~ scoreboard players tag @e[type=Minecart,tag=stall,r=0.1] remove stall
    /scoreboard players set @e[tag=stucking,type=Armor_stand] time 1
    /scoreboard players tag @e[tag=stucking,type=Armor_stand] add stuck
    /scoreboard players tag @e[tag=stucking,type=Armor_stand] remove stucking

    Problems:
    Does not work when multiple carts on the same track (ie if a second cart arrives before the first one leaves, the system breaks.
    When the system breaks, it leaves a bunch of invulnerable, invisible armor stands.
    -However, this can be fixed by simply exiting the cart or otherwise destroying the cart.

    Notes for Andy:
    Remember to use minecraft:tp on servers.
    Remember to check for invisible characters.
    EnderKilladeathlyangel74
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