0003876: Wild animals keep trying to follow their cage-trapped companions

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Category

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Date Submitted

Last Update

0003876

Dwarf Fortress

Pathfinding

public

2011-01-07 20:15

2013-12-07 05:01

Reporter

Pickled Tink

Assigned To

Priority

normal

Severity

minor

Reproducibility

have not tried

Status

new

Resolution

open

Platform

Windows XP

OS Version

Service Pack 3

Product Version

0.31.18

Target Version

Fixed in Version

Summary

0003876: Wild animals keep trying to follow their cage-trapped companions

Description

Something I have noticed in a fort I am playing. I regularly get troops of gorillas walking through my map, and I have an entrance design that involves a single row of cage traps at three entrance spots both north and south of the river that cuts the map in half (6 total).

I have also noticed that a herd moves by having a leader animal that all the other animals follow (Or maybe they chain. With each animal following the one in front of it, which would make more sense given what I have seen)

Whenever the lead gorilla walks into one of these cage traps, it keeps being treated as the leader of the troop. The other Gorillas will walk into the traps, even after getting chased off repeatedly over months of game time. With only two traps in each entrance, and rapid response time, this they get chased off often.

I have yet to see one ever give up and walk off the map. This has also happened with Alligators who do the same stupid thing.

I think the AI is not recognising that the leader is no longer with them and insisting on following him to his last known position: The cage trap.

Steps To Reproduce

Build a small number of cage traps (2) in an area animals frequent and have dwarves constantly clear away captives and reset the traps.

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Attached Files

Relationships

parent of	0004825	new		capybara herd stuck in place until captured/tamed member slaughtered
related to	0001598	resolved	Toady One	Enemy squads will never abandon their caged leader
related to	0005254	resolved	Toady One	Only one member of a flock of Giant Keas steals an item, then the entire flock, except the thief, returns for more.
Not all the children of this issue are yet resolved or closed.

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Issue History
Date Modified	Username	Field	Change
2011-01-07 20:15	Pickled Tink	New Issue
2011-01-08 14:54	Footkerchief	Summary	Herd animal pathfinding AI stupidity. => Wild animals keep trying to follow their cage-trapped companions
2011-08-13 03:44	Knight Otu	Relationship added	parent of 0004825
2011-08-15 12:03	Footkerchief	Relationship added	related to 0001598
2012-02-18 05:57	Knight Otu	Relationship added	related to 0005254
2013-12-07 05:01	Thundercraft	Issue Monitored: Thundercraft