Fighter's attacks per round bonuses

[Demivrgvs]

Can someone confirm me how the attacks per round bonuses (the +1/2 at 7th level and the +1/2 at 13th) are granted to characters with the fighter class? I suppose they are dinamically added in-game because there's no evidence of them in the .cre files.

 

E.G. vanilla's Genies have 1 attack per round, if a mod (let's say SCS) changes their class from Genie to Fighter/Mage (so that they can cast spells without being always considered lvl 1) shouldn't they automatically gain the aforementioned attacks per round bonuses?

[Echon]

They are handled by this 2DA:

 

http://iesdp.gibberlings3.net/files/2da/2da_tob/wspatck.htm