[pokefirered] how to change rival starter

[tinferbrains]

Thanks to a previous post I was able to randomize the starter options offered to the player, but the rival still gets the traditional starter strong against the type you chose. How would I go about changing the Pokemon your rival ends up with? I imagine I'll probably have to change the team for each rival battle, but correct me if I'm wrong.

 

[Lunos]

how to change rival starter

It doesn't look like you made an effort to read Oak's Lab's scripts.inc file, huh.
Just like there's a temporary variable that is used to store the Player's starter before giving it to them (VAR_TEMP_2 which uses PLAYER_STARTER_SPECIES as a local label), there's a variable used to control the Rival's, VAR_TEMP_3 via the local label RIVAL_STARTER_SPECIES. Like I said in the other thread, both of these are located near the top of the scripts.inc file.
You're gonna have to modify its value in a similar way than you modified the value of VAR_TEMP_2/PLAYER_STARTER_SPECIES.

I imagine I'll probably have to change the team for each rival battle, but correct me if I'm wrong.

You're correct, yes. Each rival battle uses a separate opponent ID with their own parties. All the relevant data is in src/data/trainers.h and src/data/trainer_parties.h.

 

[tinferbrains]

Sorry, I should have remembered to read the temp variables in the script file. Duly noted. Also, thanks for the location of the party data and confirming my suspicion

 

[tinferbrains]

So, I have the special I set in field_specials also set VAR_TEMP_3, for the rival, which I assume is copied to RIVAL_STARTER_SPECIES.
In the trainer_parties.h I'm trying to read that variable to run a switch/case to build rival's team for each encounter, and am at a loss. I tried doing VarGet, as I use VarSet in the special function, but that doesn't seem to be it unless I'm doing it wrong. I have the following:

u16 rivalspecies = VarGet(RIVAL_STARTER_SPECIES);

Then I'd do a switch on rivalspecies and have a different party roster for each case. I get an error that 'RIVAL_STARTER_SPECIES' is undeclared here, so I can only assume I'm doing something wrong.