[MC-6623] Buggy piston behaviour when other pistons are close by Created: 09/Jan/13  Updated: 10/Feb/13  Resolved: 09/Jan/13

Status: Resolved
Project: Minecraft: Java Edition
Component/s: None
Affects Version/s: Snapshot 13w01b
Fix Version/s: None

Type: Bug
Reporter: Andreas Pirker Assignee: Unassigned
Resolution: Duplicate Votes: 0
Labels: None
Environment:

Java Version 7 Update 7
Windows 7


Attachments: JPEG File buggy pistons.jpg    
Issue Links:
Duplicate
duplicates MC-127 Piston extended and retracted at the ... Resolved
Confirmation Status: Unconfirmed
Game Mode: Creative

 Description   

When placing pistons horizontally adjacent but vertically one level apart, the upper piston won't retract until the lower one does.

In the case I tested this I used three pistons:

side view:

  • - - - - -
  • - - - - -
    r R S S S -
    S S S P P -
  • - - P'S'-
    S S S S S -

top view:

r R S S S -

  • - - R R -
  • - - r r -

r = Redstone Wire
R = Repeater
S = Sandstone
S'= Sandstone with Repeater and Redstone Wire in front of it (see top view)
P = Sticky Piston
P'= Sticky Piston with Repeater and Redstone Wire in front of it (see top view)
T = Extension of an activated piston

  • = Air

I then activated first the lower repeaters then the upper one:

  • - - - - -
  • - - S S -
    r R S P T -
    S S - T P -
  • - - P'S'-
    S S S S S -
  • - - S - -
  • - - T S -
    r R S P T -
    S S - T P -
  • - - P'S'-
    S S S S S -

The upper piston will now only retract if all repeaters are deactivated.



 Comments   
Comment by Tails [ 09/Jan/13 ]

Duplicate of MC-127.

Comment by Andreas Pirker [ 09/Jan/13 ]

tried to recreate the issue today:

the lower picture shows the setup ... activation order: BACCBA caused the described bug yesterday, today it worked fine though ... maybe something system workload related?

OTOH: found two other bugs while testing: first picture: rapid toggling of the lever caused the sticky pistons to loose the sandstone blocks

second: found a way to recreate MC-6624 reliably

Comment by Tails [ 09/Jan/13 ]

Please provide some screenshots.

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