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[ac31]

how complex would it be to change the dwarf's AI to pick up the OLDEST stone/mineral/ore rather than the newest one?

[blah28722]

I have no idea how DF handles the hundreds of ores on the ground, but if it's in an array, it's just changing the index when adding/retreiving.

If that's the case, pretty easy.

Which is why it's probably not how it's handled. If it was so easy it'd be fixed by now

[Leartes]

If the AI really picks the oldest stone all the time then it should be some sort of array / linked list structure and would be really easy to fix. Could get more complex if it uses some sort of tree though i dont really know why you would want to use any here - maybe easier to search for a specific ore if all stones are stored in the same datastructure.

After thinking for some time I guess there are dozend ways of doing it since it also depends on your way of searching the closest available ressources ... Propably only toady knows the answer, could range from really easy (array, linked list) to quiet hard (some fancy datastructure used for other purposes as well).

[Taritus]

I think the AI just picks the nearest stone.  At least that's how it works in the new versions.  Not sure about you and your old one there...

[SniHjen]

as far as I know, dwarfs don't have ai, jobs do, and they choose dwarfs to do 'em.

Wallsite: "HEY DWARF"
Urist: "me?"
Wallsite: "yeah you, grab a rock and build me right now."

[i2amroy]

I think the AI just picks the nearest stone.  At least that's how it works in the new versions.  Not sure about you and your old one there...

Yeah, this is the way that it works now.

[Flaede]

Does "nearest" mean "shortest path" or does it mean true "closest", and ignore z-levels etc?

[Taritus]

It ought to be calculated the same way pathfinding is.  So, probably ignores z-levels.

[i2amroy]

I believe that it ignores z-levels.

[ac31]

yeah im playign 23a

no z-level witchcraft for ME

and it has to be oldest for hauling purposes at least

if i select a job involving ore to be hauled it goes by newest one made, however, if i do a job involving ore processing my dorf goes for the nearest valid ore

same with masonry

this is really inconvienient in terms of getting rid of stone from living areas however

especially since i cant use my handy granite.exe tool to rewall tiles with items on them without some pretty significant bugs occuring 

[Shima]

I've watched Dwarves completely ignore the quantum stockpiles that I keep neatly full and right next to the Stoneshops, and bypass them, walking aaaaalll the way down to the furthest corner of the primary mines on the lowest floors or otherwise the current excavation project.  Other times, they'll path right to the stockpile, grab, and walk the 6 tiles back to their shop.