Hello people! After many hours and following the instructions of LusitanPlayer to whom i'm extremely gratefull!
First i had to change some units in the export_descr_unit.txt located in mods/ss6.4/data
i noticed that some units have captains mixed with other units, standart units like ritterbrudder, if i increased the LOD for those units, the regular units whould also lost the "sprite" condition (that saves a lot of FPS and headackes for low end computers like mine)
what to do on export_descr_unit.txt :
type Mailed Knights
dictionary Mailed_Knights ; Mailed Knights, f
category cavalry ; superior mounted melee, early lance/sword
class .....
.....
officer Mailed_Knights --------> notice two officers, 1 regular and 1 belonging to the unit. i changed that one to "northern_captain" (no "")
officer northern_captain_early_flag (notice you can use any officer unit (northern_captain_early_flag, northern_captain, eastern_captain etc...)
mount early heavy horse and they will be the only permanently 3d units. The rest are all sprites...
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so it looked like this:
officer northern_captain --------> now you only need to increase the LOD for all the captain/officer units and leave untouched the rest of the units.
officer northern_captain_early_flag
mount early heavy horse
I did that for ALL UNITS, from ALL NATIONS, off course putting the respective captain, eastern for arabs and so.. russian for.. well.. russians xD
Then i modified the LOD value for those units (only the officers/captains) on mods/ss6.3/data/unit_models
like this:
16 northern_captain
1 1
90 unit_models/_generals_and_captains/northern_captain_early/northern_captain_early_lod0.mesh 10000 <----(change to 999999 or something that suits your needs)
The pros: Sprite to 3D change will be smoother, banners and flags will be seen from far.
The cons: Loose a little bit of variety (actually only 1 individual soldier per platoon/unit) but nearly unnoticeable.
I hope that my hours of suffering will make others as happy as i'm right now. Time to go siege jerusalem with Al Naser Saladhuddin!