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Campaign AI Tweaks

Hello everyone

This campaign AI alters the following things:

-it compels the AI to put a bigger emphasis on occupying or vassalizing other factions, lowers the tendency to sack, leaves razing to the Nomads and increases the chance of colonization. Standard stuff

-Colonization costs are halved

-Factions no longer abandon their settlements and start migrations. Resettling chance for migrating factions increased

-increase in number of chosen victory regions for factions, which should give the AI a better focus and result in bigger AI empires

-Lowered the limit of turns between which the AI will not decide to sack a settlement again to 0, which I believe helps with the issue of AI stacks getting stuck in a cities Zone of Control

-capture chance for artillery increased to 50% from 2% in vanilla


If you find any flaws with this mod or have suggestions for improving it, let me know.

Enjoy!


UPDATE 11/3/2015

I decided to implement some radical alterations to the campaign AI. I consider them semi-experimental at this stage and if they annoy people I'll revert them back. So then:

-the AI may now sally and meet the player on the field in siege battles as it did some times in Rome2. This should cut down on the amount of town assaults

-AI Empires now suffer less of a great power penalty and garner more admiration for the same than the player. This might seem unfair, but I found it so far an easy way to strengthen the Romans without lowering the challenge for the player

-I radically lowered the thresholds at which AI armies consider a retreat from an overwhelming enemy, as in, the situation now has to be absolutely hopeless for them to try this. This should help in catching those elusive hordes
and increase the amount of field battles


UPDATE 12/12/2015

As of the most recent patch AI occupation decisions are close to congruent with the changes in this mod, so I removed the cai_personality_occupation_decisions_priorities table from the mod.


UPDATE 12/21/2015

Added some occupation decisions back in, namely an increased willingness to colonise. Also altered the conversion cost and time modifiers for Barbarians, Migrators and Celts to be lower, just so the newly carved out empires have more of a chance to persist. New values with the vanilla values in brackets:

Celts: cost 175% (250) time 175% (250)
Barbarians: cost 150% (200) time 150% (200) - which means Barbarian Kingdoms now have 100% conversion time with their faction group bonus
Migrators: cost 125% (200) time 125% (200)

Conversion cost and time without modifiers is 5000 and 6 turns respectively.