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Signals: train gets stuck when placing multiple signals over it #6046

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DorpsGek opened this issue Jun 15, 2014 · 8 comments
Closed

Signals: train gets stuck when placing multiple signals over it #6046

DorpsGek opened this issue Jun 15, 2014 · 8 comments
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bug Something isn't working flyspray This issue is imported from FlySpray (https://bugs.openttd.org/) needs triage This issue needs further investigation before it becomes actionable stale Stale issues

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@DorpsGek
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adf88 opened the ticket and wrote:

  1. Run a train on a track
  2. By performing a single mouse drag-drop, build many one-way signals in a way that:
    - signals are faced against the train
    - at least two signals are placed over the train
  3. The train gets stuck

Kind of signals doesn't matter, the only requirement is that they are non-passable by the train from the side it is coming.

Could be related to #6039.

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Reported version: trunk
Operating system: All


This issue was imported from FlySpray: https://bugs.openttd.org/task/6046
@DorpsGek
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krinn wrote:

did you check?
grep reverse_at openttd.cfg
reverse_at_signals = false


This comment was imported from FlySpray: https://bugs.openttd.org/task/6046#comment13385

@DorpsGek
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adf88 wrote:

'reverse_at_signals' doesn't have any impact on the problem. When 'reverse_at_signals' is on then yes, trains will reverse after some time. But the problem is that they shouldn't stop in the first place.

This problem is really annoying and destructive sometimes. It happens quite frequently when you are placing signals on occupied tracks. Short stretches are not a problem, but with longer stretches (ctrl+drag) it is easy to miss that some train stopped. You are finding this out when it's too late (a traffic jam).

Changing 'reverse_at_signals' is not always an option (multiplayer). Besides, current behaviour is not "elegant" ('reverse_at_signals' is just a workaround).

Also 'reverse_at_signals' has other side effects that you may not want to have (reversing it's optional for a reason).


This comment was imported from FlySpray: https://bugs.openttd.org/task/6046#comment13471

@DorpsGek
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adf88 wrote:


This comment was imported from FlySpray: https://bugs.openttd.org/task/6046#comment13472

@DorpsGek
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Marctraider wrote:

just curious, is this the bug where a train simply doesnt move at all for no apparent reason? If so I probably encountered the same isssue.


This comment was imported from FlySpray: https://bugs.openttd.org/task/6046#comment13479

@DorpsGek
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Alberth wrote:

Unless you fiddled with signals at a 'live' track, no.


This comment was imported from FlySpray: https://bugs.openttd.org/task/6046#comment13480

@DorpsGek DorpsGek added flyspray This issue is imported from FlySpray (https://bugs.openttd.org/) Vehicles labels Apr 7, 2018
@andythenorth
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I can repro this by dragging one-way signals on density 1 or 2 against the direction of the train. It stops, and doesn't appear to reverse when I run the game on FFWD.

@TrueBrain
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Behavior is bit wonky indeed. When train is already on track, and you put it far in front of him, he just reverses. Otherwise it stops dead in its track. This needs a closer look :)

@TrueBrain TrueBrain added the needs triage This issue needs further investigation before it becomes actionable label Apr 13, 2018
@andythenorth andythenorth added the stale Stale issues label Jan 5, 2019
@andythenorth
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Let's live dangerously sometimes. I can't see this getting fixed. Thanks for contributing!

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