[closed] WML table navigation

[ZombieKnight]

Hi,
I'm using

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local u = wesnoth.units.get(wml.variables["unit.id"])
local u_table=u.__cfg

Whats the path to weapon (name=weapon_name), specials with index [index], specials id?

[Celtic_Minstrel]

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local u = wesnoth.units.get(wml.variables["unit.id"])
local u_table=u.__cfg

First of all, that's completely pointless. It's roughly equivalent to:

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local u_table = wml.variables["unit"]

Although there's always the possibility that the stored unit has been changed without being unstored, in which case your code bypasses those changes.

Whats the path to weapon (name=weapon_name), specials with index [index], specials id?

This is what I'd recommend for getting that information, assuming the stored unit hasn't been modified at all:

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local u = wesnoth.units.get(wml.variables["unit.id"])
local weapon = u.attacks[weapon_name]
local special_id = weapon.specials[index].id

If you prefer to work with the stored unit for whatever reason, it can still be done but is slightly more complicated:

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local u_table = wml.variables["unit"]
local weapon_table = wml.find_child(u_table, "attack", {name = weapon_name})
local specials = wml.get_child(weapon_table, "specials")
local specials_id = specials[index].contents.id

Please note that "index" in both cases counts starting from 1, not 0. Also, in 1.16, .contents probably needs to be replaced with [2].

[ZombieKnight]

Thanks,
I can't use first way, becouse changing weapons special id (and name) in u didn't changed it...
Yeah, I gues Ill try that child_range.
(I've already individually found that special in weapon using 3 for cycles)