Breaking seige BI still hasn't sorted it

I was seiged twice. The first seige I sallied straight away, firing from the walls the enemy army retreated to some hills at the side of the map. I beat them easily enough hen I brought all my forces out.
The second seige I sallied one turn after. They were building seige equipment, they appeared with none. They walked up to the walls and stood there untill I had dispatched most of them with archer fire and wall defences.
This has been happenng since RTW 1.1. Why does this bug still persist. What do you have to mod to make an enemy army retreat if you sally as soon as they seige. I suppose the AI expects to be allowed to build seige equipment and doesn't know what to do with a castle without it.
Therefore it is trying to attack you but can't because of the wall.
It seems to approach when you move cavalry toward the gate.
How can this be fixed?

I noticed they walked towards the wall too. In RTW 1.2 they fixed that, however it's back again with BI :/

The AI has however never been able to use it's siege engines when you sally forth. I think.

Yeah if you sally the sieging army drops the siege weapons where they are to fight you. Having had a garrison sally I can say for sure that is what happened.

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Originally Posted by lars573

Yeah if you sally the sieging army drops the siege weapons where they are to fight you. Having had a garrison sally I can say for sure that is what happened.

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Yeah make sense.
No point in having seige equipment out when the enemy is gonna come to you.

Can't say I have ever encountered this...

However, I have sallied against a lot of armies I can easily beat and which should retreat. The reason they don't retreat, I think, is because they're not looking to take the settlement, just to cause as much damage as possible.

My example was having had the garrison I was sieging sally after a turn and most of my siege engines were built. My troops dropped them and assembled for battle. The same thing happened to rebel scum, but the more agressive BI AI came up to the base of the walls because he didn't actually sally to fight him, he just stood behind the walls.

Yes, it is a bit sad it still does that.
I could have lost several sieges if the AI had not marched up to the walls, as certainly the garrison couldn't have won alone.

But I will commend the AI on sallies that are going against it. It will withdraw if the losses become too onesided, or too heavy. Previously it would duke it out until its troops routed. Now it actually preserves its army.

Yes they did withdraw after a while, but not until they had taken very heavy losses. Is there still nothing that makes units retreat from static archers. I mean if you are being shot at, you aren't just going to stand there are you. If I remember, 1.2 the units stood just out of reach from wall archers. However I used to send a unit of archers out of the gates to fire at them. Sometimes the AI would send cav to chase them off, this would be the best AI method. But they still kept heavy infantry back, which made breaking seiges harder. Which was good in my opinion. Also if the turn the human player sallies is turn one and the AI hasn't built seige equipment, have the AI starting point on the side of the map. Usually I want to destroy the opposing army as in BI thier presence causes a great deal of unrest throught the whole of my empire it seems. Also if the AI has all of their seige equipment destroyed, make them leave the feild unless the walls have been breached.
I think the only requirement to make a successful sally is to move a unit outside of the walls?
As I play with the battle timer off that's ok as I don't want to have to loose a city because I didn' actually fight a battle.