So I just want to add custom summon groups for the Summoner mob added by the mod of that name, but I'm not understanding something about the instructions given on the mod's Curse page, which is also the only real source of instructions on how to add summon groups.
Here is the Curse page link, the instructions in question from that page (in Spoiler), and the hyperlink from the instructions (the "Check here for some examples..." link):
Edit mode allows you to edit the Summoner's summon groups and boss waves. See below how!
Spoiler (click to hide)
This should be done server side only (or on both sides). Using the following method you can add modded mobs to the summoner groups.
Whenever you capture a mob in creative mode using a Summoner Orb in Edit Mode; the game will put out a small file in the minecraftInstallationFolder/config/thesummoner/summongroups folder. That file is the NBT data for that mob (has no file extension). So you can use /summon to spawn a crazy mob, then capture it and create a nbt file for it.
In order to create summon groups or boss waves you will need to put these nbt files in specific folders. Make sure you are still in that summongroups folder. In that folder you can make new folders for each group/wave and I will explain with examples:
A folder called "group1_3" will populate the first summon group a Summoner can choose from. That group will have a weight of 3. The weight means the likeliness of the group being summoned. The higher the number, the more likely it will be chosen. Add the nbt files for each mob of that group inside of that folder to add them to the summongroup. Then a folder called "group2_1" will be group 2 with a weight of 1 etc. etc. Note that when you add your own summon group; the default ones will all be overwritten. Go in game and test if it works by spawning a Summoner and an Iron Golem
For boss waves; do the same as above but make a folder called "bossgroup1" for the first wave etc. Add all relevant NBT files to that folder to make them part of the wave. Seeing as these all go in order there is no need to define weights.
Check here for some examples that the mod uses for it's default summon groups!
Make sure you follow the syntax above as, although there is some safety code, some weird setups might crash the game. The game does output errors in the logs as well when problems occur.
When I follow the above as far as paragraph 1, I end up with a subfolder in the "summongroups" config folder called "SummonerOrb" containing a single file for any given mob type I've captured in edit mode with the mob's standard name (eg. "Zombie"). I'm not sure what I'm meant to be doing with those files to create my custom group members, because no further files are generated if I capture the same mob with different properties, or just more than one of any mob (I want a group of 3 feral wolves from "Better Animals Plus", for instance, but just get 1 "Feral Wolf" file in the "SummonerOrb" folder).
Can anyone take more from those instructions than I'm able to and give me a dumbed-down explanation? I can figure out how to edit a file or whatever if I need to, I just don't know what I'm looking for or where to find it beyond that first step.