Merging an ally's recall list into your own

[MathBrush]

In my Dunefolk campaign I'm writing, you fight with an AI ally in Scenario 2. In Scenario 3, at the very beginning, this ally dies. I'd like to merge their recall list from Scenario 2 with the player's own.

How can I do this in WML?

[Ravana]

I expect changing side of those recallable units will do that.

[Sapient]

First a couple of questions:
- What version of Wesnoth are you using?
- Normally an AI side has no recall list. Did you already make the AI side have a recall list by using the MAKE_AI_SIDE_PERSISTENT and RECALL_AI_SIDE macros?

[gfgtdf]

you don't need MAKE_AI_SIDE_PERSISTENT or RECALL_AI_SIDE just use persistent=yes in your side definition. In 1.12 this works unless you are writing a multiplayer campaigns where carryover is borken for some if a side is skipped in a certain scenario does not appear in a certain scenario. (have a side with id=Ravana in scenario 1 and 3 but not in scenario 2 will erase the carryover data from that side in scenairo 2 in 1.12 in a multiplayer campaign. the mainline mp campaign LoW also suffers from this bug in 1.12 ). This bug was fixed in 1.13. though where it should also work in multiplayer campaigns.


ftr, RECALL_AI_SIDE was removed in 1.13

[MathBrush]

Thanks for the help! I’m using 1.13.10. It sounds like hanging their sides right before the scenario is over would do it. How do I do that in wml? I searched but can’t find it.

[gfgtdf]

a lua implementaion woudlo look like this:

Code: Select all

for i,u in ipairs(wesnoth.get_recall_units({ side = old_side})) do
  u:extract()
  u:to_recall(new_side)
end

the u:extract() might not be needed but i would not rely on that.

[Celtic_Minstrel]

I distinctly recall that AI sides having recall lists worked even in 1.10, and if I recall correctly, I didn't even need the macro.

Anyway, in order to do this, I think the following WML should work:

Code: Select all

[modify_unit]
    [filter]
        side=2
    [/filter]
    side=1
[/modify_unit]

That should transfer side 2's recall list over to side 1. (According to StandardUnitFilter, unit filters prefer units on the map but also match them on the recall list.)