Filtering for recruiting-capable locations

[esci]

Does anyone know if there is a way to use the [filter_location] tag to find all locations where a new unit can be recruited or recalled (i.e. all castles connected to a keep)? While for a simple hexagon-shaped castle this is easy using [filter_adjacent_location], it fails for larger or more complicated structures.

A quick search of the game files didn't turn up any [set_menu_item]s for the recruit and recall commands, but if you can point me to a file where they are defined that would be extremely helpful. If it matters, I'm using the 1.9 releases.

[Sapient]

Do you mean all potential recruitable castle hexes or only those with a specific side's leader currently positioned and able to recruit? Don't forget you can also recruit on connected keeps and the hex must be vacant.

Something like this should work:

Code: Select all

  [filter_location]
   [and]
    terrain=K*
    [filter]
     side={SIDE}
     canrecruit=yes
    [/filter]
    radius=400
    [filter_radius]
     terrain=K*,C*
    [/filter_radius]
   [/and]
   [not]
    [filter]
     # no unit present
    [/filter]
   [/not]
  [/filter_location]

[zookeeper]

I think this ought to allow a menu item on any castle or keep hex which is connected to a leader of the current side who must be standing on a keep.

Code: Select all

[set_menu_item]
    [filter_location]
        [filter]
            side=$side_number
            canrecruit=yes

            [filter_location]
                terrain=K*
            [/filter_location]
        [/filter]

        radius=99

        [filter_radius]
            terrain=C*,K*
        [/filter_radius]
    [/filter_location]

Working on a new campaign?

[esci]

Thanks to both of you! I hadn't fully understood how [filter_radius] worked.

I've gotten back into Wesnoth lately after a several year hiatus, and have started toying around with a new campaign. It's not yet to the point of being worth uploading, however.

[esci]

In case anyone searches for this in the future, my final solution was slightly different from those posted above. I realized that the previous solutions included all the hexes in my castle, but also included every hex adjacent to the castle. The [filter_radius] tag apparently expands one hex outwards from every hex matching its filter, rather than to hexes matching its filter. So the code that worked for me required an additional filter for only matching castle and hex terrain:

Code: Select all

[filter_location]
	terrain=C*,K*
	[and]
		[filter]
			side=1
			canrecruit=yes
			[filter_location]
				terrain=K*
			[/filter_location]
		[/filter]
		radius=99
		[filter_radius]
			terrain=C*,K*
		[/filter_radius]
	[/and]
[/filter_location]

I placed all of this inside a [show_menu_item] tag.

[Sapient]

The [filter_radius] tag apparently expands one hex outwards from every hex matching its filter, rather than to hexes matching its filter.

If that is true, then it is most assuredly a bug.