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I'm creating a Minecraft map which requires you to find splash potions to access new areas. I'm using effect @p clear minecraft:speed 0, but it sometimes activates another potion's ability. How do I stop this from happening?

I'm asking how to remove a specific level of potion effect.

Example:
Speed 5 triggers a tp command to teleport me to underground (desired), but this also happens when I use Speed 1 (undesired)

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  • Well if we were to be all classic here you could just tell the player to drink a milk bucket manually... But the command you use is correct, at least according to the wiki. However, it is possible that you are triggering other commands / or other command blocks at the same time that is causing a new potion affect. Could you please describe which potion and maybe I can troubleshoot this more. Otherwise above is the best advice I can give you.
    – Colin
    Jun 24, 2015 at 22:39
  • eg:i use speed 5 to trigger a tp command to teleport me to underground but this also happens when i use speed 1 How do i stop THIS from happening
    – user114502
    Jul 4, 2015 at 14:11
  • If your still having trouble with this would you post the actual commands you are using?
    – Jason_
    Mar 8, 2016 at 4:35

1 Answer 1

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When you apply the effect to the player, set some scoreboard value to 1. Set it back to 0 when clearing the effect from the player. This way you can keep track of what effects the player might or might not have.

To create a scoreboard do scoreboard objectives create speed1 dummy. Then set the player's score to 1 using scoreboard players set <player> speed1 1. After that give all players with a score of 1 speed using effect @a[score_speed1_min=1] speed 1000000 <whatever value> true. When clearing the effect do the exact opposite, set the score back to 0 and clear the effects of all players with a score of 1.

You should have the command blocks applying and clearing the effects on a clock. If you set score speed2 for player1 to 0, while a player2 has speed1 set to 1, this will happen:

  1. Speed (all levels) will get cleared from player1 and player2
  2. Speed 1 will be given to player2

So: Before - Player1 has speed 2, player2 has speed 1. After - Player1 has no speed, player2 still has speed 1

Please excuse me for my possibly not very good English, I hope this helped you :)

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