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  #1  
Old December 9th, 2010, 01:52 AM

Executor Executor is offline
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Default AI - The Artificial Idiot

Does anyone know exactly how the battle mechanics work, how the AI determines which battlefield spells to choose? I was under the impression that the most powerful spells researched were used, but that theory fell in water just now.

I had a rather big battle as MA Ermor, which involved 16 communion slaves and at least that much communion masters.
After the initial scripting the AI chose to cast only banishment and paralyze for some reason( enemy army mainly consisted of unfrozens, archers and a few tarts), which inevitably led to me being slapped by a far lesser army.
Now, given that the communion gave each communion master theurg a S5D5 magic base, and that I had every spell researched, I come to wonder why the AI chose to, well throw the battle?
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  #2  
Old December 9th, 2010, 02:50 AM

iRFNA iRFNA is offline
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Default Re: AI - The Artificial Idiot

They were bribed by the enemy.
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  #3  
Old December 9th, 2010, 07:13 AM

Numahr Numahr is offline
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Default Re: AI - The Artificial Idiot

A nice feature to add would be a "preferred spell" the mage would try to cast after scripting is over. Oh well.
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Old December 9th, 2010, 10:26 AM
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Rytek Rytek is offline
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Default Re: AI - The Artificial Idiot

Lots of times the AI will go with something sub-optimal. Without going in to the whole making the ai better debate the best thing to do is to script the win before the AI takes over

Now, just from the description of the fight, Banish doesnt sound like a horrible spell. 16 slaves means your masters had +4 to holy level. Spamming level 6 and 7 banish doesnt sound like too terrible a spell to cast. Thats +2 penetration with 0 fatigue and a huge area. Paralyze would also seem to be a good spell to pick if targetting the Tarts.

Saying that, I think unfrozen are the best summons in the game and are often underestimated especially in a cold dominion. Good hits, superb MR, good damage(some even come with magic weapons) If your opponent had cast just an antimagic that boosts their MR to 20 and they are gonna walk thru even serious banishment spam.

Of course the better spell the ai could have switched to instead of banish is witherbones.

Depending on what type of troops you have as blockers you can rarely go wrong with stellar cascade spammed with 32+ mages.
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Old December 9th, 2010, 11:11 AM

Calahan Calahan is offline
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Default Re: AI - The Artificial Idiot

I have a fair idea how the casting AI operates (currently working on a mod dealing with this exact issue). But I'm not going to go into the details of the matter here. Since I don't want the (guaranteed) hassle from any of the *individuals in* the community, and who think they know better based on some random game they played six months ago while watching a fast-forwarded battle replay. (so you can thank them for the reason why I, and other experienced players, no longer share detailed knowledge very often)

But I will say that friendly fire is one of the most overriding issues with regards casting AI spell choice. As in short, a useful rule to remember is that if there's any chance at all of your troops being negatively affected by a spell, then nine times out of ten the casting AI just won't cast it (and it'll often override any such spell even if scripted). Although fatigue spells seem to operate under a different rule set.

And expecting the casting AI to cast Wither Bones as LA/MA Ermor = Epic Fail
(unless you somehow have no undead units on the battlefield yourself)

Last edited by Ballbarian; December 11th, 2010 at 03:56 AM.. Reason: Removed troll bait.
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Old December 9th, 2010, 11:17 AM

Dimaz Dimaz is offline
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Default Re: AI - The Artificial Idiot

Especially under darkness with non-undead mages.
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Old December 9th, 2010, 11:33 AM
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Gandalf Parker Gandalf Parker is offline
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Default Re: AI - The Artificial Idiot

The AI does extensive thinking, and any more would cause more complaints than now.

If you want to see the AI going thru the process then just turn on debug with a -dd switch to your game, and view the logs. Come up with some suggestions on how you would change what you see so that we can discuss it. The offer has been out there since before Dom3 was released but very few have actually bothered to look at it.

And if you want to check out how the computer player does vanilla scripting, or purchases troops, then use the (more recently released) --comptrn switch to be able to view turn files for AI players.
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Old December 9th, 2010, 12:51 PM

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Default Re: AI - The Artificial Idiot

Hm, interesting idea regarding FF Calahan. But that seems wrong from my point of view as I had undead (longdead) chaff and the enemy had unfrozens. Both susceptible to banishment, actually mine were quite more susceptible to it.
And yes, the battle was under darkness so shouldn't have the AI used higher precision spells?
I'm still rather confused.

I'm still happy to hear any ideas regarding how the AI works as to try and prevent future AI betrayals.

I wasn't hoping for wither bones, I didn't even expect undead troops, but I can think of a dozen spells other that could have brought me victory.

Gandalf, If I had any idea about a thing what you're suggesting I'd gladly do it, however I find myself in a complete lack of programing skills and I'd rather not get involved in things I don't understand.

Rytek, paralyze is a horrible spell if you only have chaff, and yes we know how much you love unfrozens and you're glad they won
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Old December 9th, 2010, 01:35 PM

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Default Re: AI - The Artificial Idiot

And it's things like this that have spurred Dread Lord Calahan to attempt to create a mod to improve the spellcasting AI.
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Old December 9th, 2010, 01:41 PM

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Default Re: AI - The Artificial Idiot

Quote:
The offer has been out there since before Dom3 was released but very few have actually bothered to look at it.
I don't understand Gandalf - what offer?
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