Cataclysm-dda: Animals don't follow player up stairs

[new02DAY]

Describe the bug

I'm not sure if this is due to how AI and RNG works, but animals don't climb up stairs.
Save attached below.

Steps To Reproduce

Steps to reproduce the behavior:

1. Create new world and character (evac).
2. Spawn cattle fodder and sheep.
3. Walk down the stairs and around until the sheep follows you down.
4. Go back up the stairs and walk around and try to get the sheep up.

Expected behavior

Even with RNG and AI, I would expect the animal to follow up the stairs, especially in smaller stairwells (which would presumably increase the chance of the animal following).

Screenshots

If applicable, add screenshots to help explain your problem.

Versions and configuration

• OS: Windows
• OS Version: MINGW/CYGWIN/MSYS2 on unknown Windows version (Win7)
• Game Version: 0.D-9559-gcc3282c [64-bit]
• Graphics Version: Tiles
• Mods loaded: [
  Dark Days Ahead [dda],
  Disable NPC Needs [no_npc_food]
  ]

Additional context

Add any other context about the problem here.

save_20191122201707.zip
Save contains example of tamed animal in a house, and a shelter SW of current location.

[KorGgenT]

are z levels on or off?

[new02DAY]

are z levels on or off?

Z levels are on, but align stairs are off.

[mouseturd]

Confirmed I had this same issue with my pet horse. I don't have a save file to share though

[yowshi]

yeah it is an issue with slimesprings as well

[stale[bot]]

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[borazan]

I think align stairs might be causing this, haven't tried it myself tho

[matt32106]

Same problem here, save attached
save.zip

• OS: Linux
  
  
  
  • OS Version: LSB Version: core-9.20170808ubuntu1-noarch:printing-9.20170808ubuntu1-noarch:security-9.20170808ubuntu1-noarch; Distributor ID: Ubuntu; Description: Ubuntu 18.04.4 LTS; Release: 18.04; Codename: bionic;
  
  
• Game Version: 0.E-238-g6393a6d [64-bit]
• Graphics Version: Tiles
• Game Language: English [en]
• Mods loaded: [
  Dark Days Ahead [dda],
  Disable NPC Needs [no_npc_food],
  Stats Through Skills [StatsThroughSkills]
  ]

[DemonPikachu]

In response to borazan, is that with align on or off? I have align stairs off (same as OP i think) and it's happening. Rip the animals stuck in the bottom of evac.

[matt32106]

Here is a workaround: edit your .sav file (in cdda/save directory) and look for active monsters /pet name, then edit his position to the surface z-level. For instance:
Save and quit game then edit the .sav
"unique_name": "Jolly jumper", "posx": 64, "posy": 62, "posz": -1,
to
"unique_name": "Jolly jumper", "posx": 64, "posy": 62, "posz": 0,

[DemonPikachu]

Sweet. I end up carrying the small ones up but man... turns out cows and stuff don't fit in petcarriers. :D

[matt32106]

Just a reminder for people wanting to deal with this issue that i have attached a save in my comment from 20200410_1221