How to stop AI armies from lifting scripted sieges?

[Sulfurion Blackfyre]

So, basically I implemented a series of spawned armies that are then instructed to besiege settlements. Most of them work as intended, but in some cases, as soon as they besiege the settlement they immediately lift it and go do something else.

However I know that some mods are able to force a siege to its conclusion, I recall for example in the Warhammer mod, spawned Beastmen armies would do so.

I would very much appreciate any help with the codes necessary.

[Lusitanio]

Well, that has been a problem that I faced recently and indeed, the armies besiege the settlement but most often, they leave on the next turn.
You have two option to solve that. Either add more scripts that force that army (if it is still alive) to besiege again the settlement so that at least it continues to besiege it, or you order the army to attack the settlement, for this part to work, you will have to add the console command that damages the settlement walls so that it creates a breach where the enemy army can enter. If that army has siege machines, it will be even better.

[Sulfurion Blackfyre]

Ok I got it working by forcing the army to keep besieging the settlement.

But this creates another problem. I had a historic event tied to that army spawning monitor, but as it loops to order the army to keep besieging the city, the historic event fires again as well.

I tried adding another monitor separately to fire the historic event, but it isnt working.

Edit: nevermind, got that working too

[Gigantus]

Here is a sample:

    declare_counter siege_[settlement name]
    monitor_event                                                         ; whatever you decide

        spawn_army         ; spawn next to settlement, set direction to face settlement
            faction [faction name]
            character    [character name], general, age 29, x [value], y [value], label [label entry], direction W  
            ; your army details
        sieging
        siege_settlement [label entry], [settlement name], maintain        ; maintains siege
        terminate_monitor
    end_monitor

    monitor_event FactionTurnEnd FactionType [faction name]
        and I_CharacterExists [label entry]
        and I_SettlementUnderSiege [settlement name]

        if I_CompareCounter siege_[settlement name] < 2                    ; number of turns to keep sieging
            siege_settlement [label entry], [settlement name], maintain
        end_if
        if I_CompareCounter siege_[settlement name] = 2                    ; turn count has been reached
            siege_settlement [label entry], [settlement name], attack    ; final attack
            terminate_monitor
        end_if

        inc_counter siege_[settlement name] 1
    end_monitor

[bitterhowl]

Sorry for necro and even offtop, but just don't want to multiply 3-post threads.

Question is - is there a way to force besieged garrison to sally out on last siege turn instead of mutual surrender and capturing settlement by besiegers?

[z3n]

Have you tried the sally ratio in descr_campaign_db?

[bitterhowl]

No, I didn't. Honestly, it's not my own question. Here are descr_campaigh_db ai section from that mod.

<ai>
      <att_str_modifier float="0.8"/>            <!-- modifies the effective attackers strength when determining the priority of making attack decision (i.e. att_def_strength_ratio = ((att_str*att_str_modifier)/def_str) -->
      <siege_att_str_modifier float="0.30"/>      <!-- modifies the effective sieging attackers strength when determining the priority of making attack decision -->
      <crusade_att_str_modifier float="1.0"/>    <!-- modifies the effective crusading sieging attackers strength when determining the priority of making attack decision -->
      <sally_att_str_modifier float="1.0"/>      <!-- modifies the effective sallying attackers strength when determining the priority of making attack decision -->
      <ambush_att_str_modifier float="1.0"/>     <!-- modifies the effective ambushing attackers strength when determining the priority of making attack decision -->
      <str_limit_weak float="0.5"/>              <!-- min ideal strength ratio modifier for determining when an army is far too weak for an attack ( att_def_strength_ratio < (ideal_str_ratio*str_limit_weak) ) -->
      <str_limit_strong float="99.0"/>            <!-- max ideal strength ratio modifier for determining when an army is far too strong for a fair attack ( att_def_strength_ratio > (ideal_str_ratio*str_limit_strong) ) -->
      <merchant_min_survival_acquire int="75"/>  <!-- the minimum survival chance for a merchant to consider attempting an acquisition -->
   </ai>