That should not be the case, depending on the number of units that you have. I'm sure we can do more research in this area, but I coded it to be able to split it's forces. I thought it was by division, but I'm not exactly positive on this.
I'll start off by saying that due to my modding that I may be causing some of this, I do mod things and then forget about it months or years down the road.
But, my opinion is that in the picture below, I move one extremely large division in search of the enemy forces. Once contact is made I will call this
location A, and the try to pinpoint where the other enemy unit is located.
The
blue circles is where I think the other enemy division is located, so
three brigades is acting as a sort of scouting force to locate them.
Once contact is made that will be
location B. Now I have the option of moving brigades that are still camped at their start-up position to their assistance, or shifting several brigades from the south to extend their line.
This is due to the fact that I know that the enemy units will not do anything other than stay at the locations of
A and
B, and I really shouldn't have that knowledge of their tactics.
I have
never seen any other type of actions on the part of the AI, so if they are splitting their forces, I would guess that it is sending their divisions down different roads.
But, what is needed is something else that sort of confuses the human player into thinking that
maybe this is only a part of their division, and the other part is moving somewhere behind those trees, or ridges.
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davinci