1.3 AI issues


From the video description:

Assetto Corsa version 1.3 with Dreampack #1 and #2, fresh install, no 3rd party mods installed.

Opponent strength = 100%
Track surface = optimum

This is what I was able to observe/capture during 1 hour of gameplay with a handful of different car/track combinations.

00:03 – AI piling up before Eau Rouge for no apparent reason, AI not registering speed differences, AI not taking avoiding action, AI falling through the world.
00:22 – A lot of AI cars running on the grass instead of on the track, AI not registering walls/barriers and hitting them, AI not taking avoiding action to avoid hitting other slower cars, AI not able to brake after the car has broken down, AI falling through the world.
00:48 – AI rear ending other car, continues to race with the other car on top of it, the lifted AI is sent back to the pits and immediately races straight into the pit wall.
00:57 – Yellow AI car rear ends blue AI car, with no concern at all for the difference in speed. Yellow car races on as if nothing happened. Another AI behind doesn’t register the blue car is stationary and slams into it. The blue car’s physics go haywire, then it’s hit by another AI, and it almost falls through the world too.
01:30 – AI cars running off the track en masse, total disregard of the appropriate speed for that particular corner.
01:42 – Same thing, total disregard of appropriate speed.
01:49 – Same thing, only much worse, AI cars crashing even before the actual corner.
01:56 – AI car running off the track for no reason at all, then rejoins unsafely and gets hit by two AI cars. Again, they don’t even register the difference in speed and take close to no avoiding action.
02:06 – The typical pile-up before Eau Rouge. The AI is still unable to drive around stationary cars. It just sits and waits for the stationary cars to be moved off the track.
02:30 – Car clipping through the track surface and then sliding on its side in an unrealistic manner.
02:40 – AI car stopping on track for no reason at all. Then gets hit by another car which again takes no avoiding action or heed the yellow flags.
02:50 – Another nonsensical AI contact before Eau Rouge.
02:57 – This time the RUF AI stops on track for no reason at all. Other AI lacks logic to drive around the stationary car properly. Another big crash ensues.
03:08 – An AI car suddenly locks all four wheels and momentarily loses drive, goes off into the gravel, and rejoins the track in an unsafe manner. Another AI hits the first car, then another, and then another. Many AI cars drive off the track, plowing through the gravel.
03:39 – CPU 99% occupancy bug. Multiple AI cars swerving dangerously, which sends me into a spin and another AI then rams me into the barriers.
03:50 – Restart the race, AI still swerving and sends me into the barrier once more.
03:59 – AI cars running into each other, rejoining unsafely, overtaking on the grass and bumping into each other on straights.
04:28 – Me hanging back, observing some quite absurd AI behavior.
04:53 – AI smashing into the barrier for no reason, suspension physics going haywire, big crash.
05:08 – Another clip of the absurd AI behavior on Nordschleife
05:17 – Me hanging back, observing some more bizarre AI behavior. This time an AI keeps rear ending and pushing another AI car along the track, until one of them finally goes off into the barrier. The yellow AI car starts racing on the grass instead of on the track. After that, another AI plows into the yellow car.
06:16 – Multiple AI going off the track and ramming into each other.
06:24 – More absurd AI behavior, plowing into each other.
06:30 – AI running off the track and rejoining unsafely.
06:40 – More absurd AI ramming into each other.
06:46 – AI stopping on track before Eau Rouge, again.
07:03 – AI swerving, ramming each other and me, stopping on track, ramming each other some more, and lack the logic to drive around stopped cars on track.
07:32 – Most of the AI cars go off in the corner, some DNF’ing.
07:40 – AI cars slide all over the track, hitting the barriers and each other, causing a traffic jam. Yet again, the AI can’t figure out how to drive around stopped cars.
07:54 – Same story as above, insane driving causing DNF’s and traffic jams due to lack of logic.
08:07 – Another instance of the same problem, third time in one race.
08:17 – AI losing control under braking, then swerving wildly to defend, defending on the grass, ramming.
08:32 – AI making a mess ending up on top of each other.
08:44 – AI plowing into another AI, ramming it off the road.
08:51 – AI completely miscalculating the available grip, ramming the outside barrier, stopping on track.
 
It is odd that there are big differences in peoples' experience with the AI. Many times, if I'm taken off it was because I was too slow or hit the brakes too early and a human would have taken me off in the same situation. I just don't see the AI taking each other out and gt3 racing seems particularly clean to me.

Hopefully, we can get AI we can all enjoy racing at some point but AI will always have limits in simulating human behaviour - racing ain't easy. If you realise how many calculations we make every single second judging relative speeds, anticipating moves and being aware of potential mistakes as well as driving a physics based car, you'll realise how big a task it is for a programmer. Hats off to any that try. I think Kunos have done a very good job and I know they'll keep improving because this is their passion too.
 
I'm not making this stuff up man :) At Nordschleife, at 98% difficulty, AI is crashing themselves at Adenau, and when I try to avoid them they make "strange" return to the track, and when I catch up with the damaged AI car, it wants to kill me when I try to overtake it. And this is just one scenario. GT3 class mainly, I do not race so often other classes, but its happening. I strongly suggest Kunos to revise the AI behaviour and make it at least functional. They have done a very good job with all other aspects of the game, but AI sucks
 
Just had a test race with GT3s at Nords (on 98% so I waved them off early on and watched the replay after I limped home) and they made Adenau fine (the Huracan had a bit of a wobble but no dramas).

But, the SGC lost it in Tiergaten (went slightly off track) and took out an Audi to its left before both of them plowed into the side of the GT-R ahead as they couldn't slow down.

An AI mistake which snowballed isn't necessarily bad AI, though. Never making mistakes is bad AI.

There are problems when AI goes off track, it ain't perfect - but it doesn't suck, in my experience - look at Gran Turismo (a series I used to love) for AI that sucks - no joy, no mistakes, no overtakes - utter crap from a company investing millions - haven't played Froza or P Cars but from what I hear, their huge budgets have failed to produce 21st century AI.

As Michael said, I don't think you're making up what you have seen - but you may be over doing it by saying the AI outright sucks.
 
"But, the SGC lost it in Tiergaten (went slightly off track) and took out an Audi to its left before both of them plowed into the side of the GT-R ahead as they couldn't slow down."
"An AI mistake which snowballed isn't necessarily bad AI"

You've proven me that I am wrong. The AI is actually fine, so what if they crash and "snowball" all the time, its not bad at all :D They are simulating some wild stuff, thats all :-D
I rest my case.
 
My mistake, was trying to have a conversation about our experiences of AI, I forgot I'm dealing with 'the Internet' where balanced discussions are taken outside and shot.

I never said I was trying to prove you wrong but maybe I should be more selective and stick with statements like "they crash all the time", "I can't finish a lap" and "they are trying to kill me" and then completely ignore anything that doesn't support my world view. Are you a tabloid journalist? Murdoch would be proud. As would Hex.
 
It's a great game. In my opinion there isn't a sim out there at the moment that doesn't have flaws.
I'm really liking rf2 now for offline. The ai seems great to me... I don't want to spend 35 quid to be annoyed by the ai. I wish I could try this out and decide for myself but from what I have read I think I will wait to see where the ai goes. Gotta say it looks gorgeous. Just watched a vid from zandvoort.... Gorgeous!
 
In real racing if another driver makes a mistake it usually shunts him back several places, in most sims they catch up far too quickly, if they lose any places at all. They should suffer more damage or at least tire effects that we do.
 
Well I can tell you from my experience the AI sucks so bad, I begin to think its some kind of a conspiracy theory, like they did it intentionally :D AC is really fine, awesome tracks, cars, awesome forcefeedback...but AI...I cant finish a lap, its like road of fury out there man. Seriously, Kunos, guys, make it functional at least. Right now, they are crashing between each other, they are not overtaking they are trying to kill me, if I want to overtake they crash me...This really has no place in such a title as Assetto Corsa :/ This is happening mainly in GT3 class races. Cheers!

Strange !

I have done several races with GT3 cars full grid @ 90 - 100 % and I could have sworn it was humans I was racing.

They do occasionally take me out from behind but after 1.3.4 not so much.
 
Strange !

I have done several races with GT3 cars full grid @ 90 - 100 % and I could have sworn it was humans I was racing.

They do occasionally take me out from behind but after 1.3.4 not so much.
Completely agree, just finished a GT3 race and for the first time a really enjoyable race. AI drive more realistically, as a recently posted video shows. When I race online I have more problems with humans than anything else.
 
Completely agree, just finished a GT3 race and for the first time a really enjoyable race. AI drive more realistically, as a recently posted video shows. When I race online I have more problems with humans than anything else.

It's a real nice feeling when you forget that you're NOT racing humans !

I prefer racing good AI and I had more good AI races than human races :)

"People are people, and they are basically bad"
-Frank Zappa
 
Strange !

I have done several races with GT3 cars full grid @ 90 - 100 % and I could have sworn it was humans I was racing.

They do occasionally take me out from behind but after 1.3.4 not so much.

Yeah, I think its strange too, I think I'm racing humans too, and they dont leave a gentleman impression at all ;)

Look, in my case the AI at 98% behaves strange. I drive mainly Nords (endurance), at the beginning of Fuchsrohre, one or two cars usually makes a full stop, the others will hit them, and when I slow down, the ones behind me crash into me, and if I make it alive, at the Adenau AI makes some strange mistakes, trying to avoid them is really tough so if I make it through Adenau I usually can drive to the finish and win the race ;) I have great memories with AI racing on GTR evo, which was really awesome comparing to the Assetto Corsas AI. Assetto Corsa is a great simulator at the moment, I only do drive Assetto Corsa, but AI currently has some issues and that is a fact.
 

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