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[Urist Mchateselves]

Maybe a new building (not necessarily a door) that would be seen by the AI's pathfinding as a solid wall unless they possessed the [CAN_LEARN] token? My cats keep eating my cave spiders.

[LuuBluum]

Doors used to be able to be restricted to exactly that.

It caused an unfathomable amount of lag.

[Eric Blank]

Yeah, it would be nice but only possible after a major change to pathfinding code to prevent it from slowing down the game.

Best thing currently, is to pasture all unwanted critters in walled in areas with only one tile exit (doorway/stairs), so they're rarely tempted to leave the area (only to attempt to path around another creature to get from point a to b in the pasture, and only when trying to use that doorway is shorter, so your dwarves arent constantly going to re-pasture them)

[Urist Mchateselves]

I knew about the “tightly closed” thing. I thought that maybe a new kind of building that permanently has this function without being toggle-able wouldn’t create pathfinding issues, but maybe I’m wrong.

[Putnam]

It is the function itself that causes the performance issue, not the toggleability.

[SixOfSpades]

In case the pathfinding code ever makes such a permanent building viable:
https://en.wikipedia.org/wiki/Stile
https://en.wikipedia.org/wiki/Kissing_gate

[Starver]

Cat grid. Like a cattle grid, but impassable to felines!

[Ziusudra]

A bathtub would probably work pretty well for keeping cats out.

I knew about the “tightly closed” thing. I thought that maybe a new kind of building that permanently has this function without being toggle-able wouldn’t create pathfinding issues, but maybe I’m wrong.

Yeah, as I understand it, the problem isn't the toggling, it's having different creatures with different movement abilities. This is also why creatures that can fly also hav pathing issues. Then there's those that can swim any where in water, or any where in magma, or can climb easily, or can move through walls, or some combination.

This is of course fixable, just not quickly or really easily. Also other parts of the code that are involved in the problem need to be redone any way, so if they just fixed this pathing problem they'd end up having to redo much of the pathing any way. So they've got to shave so other yaks before they can shave this one.

[Salsa Gal]

It is the function itself that causes the performance issue, not the toggleability.

Could I ask exactly how it affected the performance? Seems like a weird thing to have an issue with

[A_Curious_Cat]

Cat grid. Like a cattle grid, but impassable to felines!

A bathtub would probably work pretty well for keeping cats out.

If such devices are implemented, cats should employ the services of nearby mind-control slaves dwarves to safely carry them over/through/across the barrier.

[Bumber]

Could I ask exactly how it affected the performance? Seems like a weird thing to have an issue with

Animal on one side of the door wants to get to the other. Spams pathfinding constantly because both sides are considered part of the same region.