Do some tests with just a couple of musketeer units either side, using identical units. If you use fire_by_rank, the computer's units seem to stall after a cycle until they get hit by your fire. That means you will do better since the AI's musketeers will not be firing as much as yours.
Another effect is that the animation also slows down firing rather than speeding it up. For example the first two of six rows firing with fire_by_rank should be firing three times faster as two rows firing without fire by rank. But in the game the two front rows fire even a bit slower than if they had no fire_by_rank attribute. So in fact having the attribute makes your units 3 times less effective if in 6 ranks or 4 times less effective if in 8 ranks and in fact a bit more, because the animation takes more time over a cycle than if your musketeers fired without it.
The real advantage of fire_by_rank historically was that you could put out more rapid fire from a small section of your line but in M2TW it does not work that way. Your real advantage in M2TW is that the AI player's fire_by_rank units will stall every so often, so if you leave the animation in, you balance battles in your favour. Still keeping musketeers in two rows is much more effective than having mutliple ranks. So fire_by_rank gives you an unfair advantage over the computer and for the completely opposite reasons to how it was used in real battles.
Much as I like the beautiful animation, I often remove it from all units (including the computer's units that is) to balance battles better. If someone can think of a fix to the AI stalling and how I could multiply the rate of fire when using the animation by the number of the ranks, and even then speed it up a little, then I would obviously prefer to leave it in for post-1590 type units.
Since in vanilla you never get to 1590, I'd say remove it completely. It will be more historically accurate and the AI will fight a little better. You will need to
unpack the game. I think it does not matter it was downloaded from Steam but I am not sure.
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My three short AARs:
[BC] The Maharajah and the Guild of Thieves – a Chauhan Rajput AAR
[1648] Thirty Years' War
[Kingdoms] Antioch Crusaders Mod campaign
and something not so short - [FKoC] Times full of Distemper
Reviewed by
robinzx at the
Critic's Quill, Issue 31