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-   -   3.4.1 Morgoth/vault tunnelling bug? (http://angband.oook.cz/forum/showthread.php?t=6146)

scud June 15, 2013 06:47

3.4.1 Morgoth/vault tunnelling bug?
 
It's good (kinda) to see that Morgy has upped his chasing game, and that he no longer sits outside vaults scratching his head.

But... in this particular vault he refuses to tunnel through the interior wall, instead choosing to walk around to an opening. Once inside the inner wall he's happy to chip off corners, walk through one of those four central pillars, etc.

http://img259.imageshack.us/img259/2791/4pop.jpg

EDIT: I've moved to the corridor entrance eight clicks to the right of the above position; the banished Morgy has approached me from due west. Instead of travelling straight through the vault he has skirted the around the outside of the perma-wall and is now directly south of me. Perhaps he knows that those walls are load-bearing, and he doesn't want to end up with 99 dungeon levels and a town on his head.

fizzix June 15, 2013 14:35

The current algorithm for pass-wall monsters around perma-wall is a bit hacked together, but it mostly works, and it was enough of an improvement over the old version that I lobbied for it to go in.

When a passwall monster is adjacent to a perma-wall it uses the normal pathfinding routines, so Morgoth won't be able to figure out how to tunnel through a small opening in permanent walls. However, he will be able to navigate permanent wall areas which is a huge plus.

scud June 15, 2013 15:05

Cool, so it's a known issue (or non-issue, in the great scheme of things).

Certainly he's now a more intelligent pursuer than a snaga, which was the case up to 3.3.2!


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