rec.autos.simulators

GPL AI problems

Greger Hutt

GPL AI problems

by Greger Hutt » Thu, 04 Mar 1999 04:00:00

I was racing today at Zandvoort against the AI. I noticed some small
problems with the AI. Actually, I've noticed these problems before but
now they really made me mad. :)
First of all, the AI drivers could be a little more careful when
entering the pits. They slow down really fast and suddenly. I don't
know if other tracks have this kind of problem.
Another problem is passing. The computer drivers really seem to be
lousy overtakers. I was following Hill, the gap was about 6 seconds.
Then he came up on a backmarker and I catched them in about 2 laps.
Hill hadn't still made a pass. Then we were driving down the main
straight and suddenly Hill slams on the brakes in the middle of the
straight! I didn't have any time to react and that was the end of the
race for me.
And last, has anyone seen an AI driver actually spinning on their own?
Sometimes they go off the road and raise their hand. Doesn't that mean
that they have some kind of a mechanical problem?

OK, small problems but sometimes annoying. :)

--
Greger Huttu

Wosc

GPL AI problems

by Wosc » Thu, 04 Mar 1999 04:00:00

Well have you ever tried to pass someone close in speed at zandvoort?  It is
pretty hard, the track is always turning and the only place to get a run on
them is down the front straight, if you cant make it by no means should you
still try to squeeze by, i think hill made a good decision by backing out.
I start a lot of races from teh back just to put in some fun and at
zandvoort it is very tough to get by the guys unless you muscle your way by
and spin someone.  Thats what I think at least.
Jesse

>I was racing today at Zandvoort against the AI. I noticed some small
>problems with the AI. Actually, I've noticed these problems before but
>now they really made me mad. :)
>First of all, the AI drivers could be a little more careful when
>entering the pits. They slow down really fast and suddenly. I don't
>know if other tracks have this kind of problem.
>Another problem is passing. The computer drivers really seem to be
>lousy overtakers. I was following Hill, the gap was about 6 seconds.
>Then he came up on a backmarker and I catched them in about 2 laps.
>Hill hadn't still made a pass. Then we were driving down the main
>straight and suddenly Hill slams on the brakes in the middle of the
>straight! I didn't have any time to react and that was the end of the
>race for me.
>And last, has anyone seen an AI driver actually spinning on their own?
>Sometimes they go off the road and raise their hand. Doesn't that mean
>that they have some kind of a mechanical problem?

>OK, small problems but sometimes annoying. :)

>--
>Greger Huttu

Christer Andersso

GPL AI problems

by Christer Andersso » Thu, 04 Mar 1999 04:00:00

The slamming on the brakes in the middle of a straight by AI drivers catching
very slow back markers, was what finally made me to decide to never try to race
the AI again. It happened to me at Monza.

/Christer


> I was racing today at Zandvoort against the AI. I noticed some small
> problems with the AI. Actually, I've noticed these problems before but
> now they really made me mad. :)
> First of all, the AI drivers could be a little more careful when
> entering the pits. They slow down really fast and suddenly. I don't
> know if other tracks have this kind of problem.
> Another problem is passing. The computer drivers really seem to be
> lousy overtakers. I was following Hill, the gap was about 6 seconds.
> Then he came up on a backmarker and I catched them in about 2 laps.
> Hill hadn't still made a pass. Then we were driving down the main
> straight and suddenly Hill slams on the brakes in the middle of the
> straight! I didn't have any time to react and that was the end of the
> race for me.
> And last, has anyone seen an AI driver actually spinning on their own?
> Sometimes they go off the road and raise their hand. Doesn't that mean
> that they have some kind of a mechanical problem?

> OK, small problems but sometimes annoying. :)

> --
> Greger Huttu

--
http://home.swipnet.se/~w-41236/ (Read all about the "Global online
racing"-proposal under "For developers". Read it a couple of times, cause noone
has understood it the first time they've read it yet :o)).
-- DB -

GPL AI problems

by -- DB - » Fri, 05 Mar 1999 04:00:00



I know what Greger was saying. Often, when AI cars are trying to
overtake one another, they get the draft down a straight, then fling
themselves out from behind the car in front wildly and lose the speed
advantage they had. The only time they are able to overtake is into a
braking zone.

-- DB --

Greger Hutt

GPL AI problems

by Greger Hutt » Fri, 05 Mar 1999 04:00:00


>Well have you ever tried to pass someone close in speed at
>zandvoort?  It is
>pretty hard, the track is always turning and the only place to get a

run >on them is down the front straight, if you cant make it by no
means >should you

Yeah, it's very hard to pass at Zandvoort like in most of the GPL
tracks. But Hill was behind the backmarker and I was immediately
behind Hill. So I don't think any _intelligent_ driver would slam on
the brakes when somebody's following them closely. And we were a long
way from the T1's braking area.

--
Greger Huttu

Greger Hutt

GPL AI problems

by Greger Hutt » Fri, 05 Mar 1999 04:00:00


>Well have you ever tried to pass someone close in speed at
>zandvoort?  It is
>pretty hard, the track is always turning and the only place to get a

run >on them is down the front straight, if you cant make it by no
means >should you

Yeah, it's very hard to pass at Zandvoort like in most of the GPL
tracks. But Hill was behind the backmarker and I was immediately
behind Hill. So I don't think any _intelligent_ driver would slam on
the brakes when somebody's following them closely. And we were a long
way from the T1's braking area.

--
Greger Huttu

Greger Hutt

GPL AI problems

by Greger Hutt » Fri, 05 Mar 1999 04:00:00


>The slamming on the brakes in the middle of a straight by AI drivers
>catching very slow back markers, was what finally made me to >decide

to never try to race the AI again. It happened to me at Monza.

Ouch! :)
One solution is just to be extra careful when approaching backmarkers
and to *not* be behind someone on the straights.
Well, hopefully Papyrus fixes some of the AI problems in the upcoming
patch. Really the AI overtaking ability should be improved. It takes
some fun out of the racing when you can catch the leaders when they're
behind some really slow backmarkers.

--
Greger Huttu

Wosc

GPL AI problems

by Wosc » Fri, 05 Mar 1999 04:00:00

OK, I didnt know what the exact situation was so I just posted what I
thought could be it, sometimes the AI can be pretty crazy and just all of a
sudden slow down or blow up or whatever, I havnt had your situation happen
though so I cant have much of an opinon.

Jesse



>>Well have you ever tried to pass someone close in speed at
>>zandvoort?  It is
>>pretty hard, the track is always turning and the only place to get a
>run >on them is down the front straight, if you cant make it by no
>means >should you
>>still try to squeeze by, i think hill made a good decision by backing
>>out. I start a lot of races from teh back just to put in some fun and
>at
>>zandvoort it is very tough to get by the guys unless you muscle your
>>way by and spin someone.  Thats what I think at least.

>Yeah, it's very hard to pass at Zandvoort like in most of the GPL
>tracks. But Hill was behind the backmarker and I was immediately
>behind Hill. So I don't think any _intelligent_ driver would slam on
>the brakes when somebody's following them closely. And we were a long
>way from the T1's braking area.

>--
>Greger Huttu

Greger Hut

GPL AI problems

by Greger Hut » Mon, 08 Mar 1999 04:00:00



Now I recall one thing that could be causing this kind of behaviour
for the AI. Some time ago I edited the AI braking from the gpl_ai.ini.
I'll have to try and put the original values back and see what
happens.

--
Greger Huttu

David Ewin

GPL AI problems

by David Ewin » Tue, 09 Mar 1999 04:00:00


> Now I recall one thing that could be causing this kind of behaviour
> for the AI. Some time ago I edited the AI braking from the gpl_ai.ini.
> I'll have to try and put the original values back and see what
> happens.

I'm glad you mentioned this, Greger.  I have rarely experienced any
bizarre AI behavior and generally find the AI to be quite good.  I am
racing with the AI set to their full strength defaults.  The only mod I
have is that I added Jackie Stewart and Mike Spence in place of Beltoise
and Ginther. When ever someone posts about how bad the AI is in this
game, I am baffled.  I agree that some of the bizarre behavior reported
here must be from editing the parameters in the AI .ini files.

Dave Ewing

Greger Hut

GPL AI problems

by Greger Hut » Thu, 11 Mar 1999 04:00:00

On Mon, 08 Mar 1999 11:39:15 -0700, David Ewing


>> Now I recall one thing that could be causing this kind of behaviour
>> for the AI. Some time ago I edited the AI braking from the gpl_ai.ini.
>> I'll have to try and put the original values back and see what
>> happens.
>I'm glad you mentioned this, Greger.  I have rarely experienced any
>bizarre AI behavior and generally find the AI to be quite good.  I am
>racing with the AI set to their full strength defaults.  The only mod I
>have is that I added Jackie Stewart and Mike Spence in place of Beltoise
>and Ginther. When ever someone posts about how bad the AI is in this
>game, I am baffled.  I agree that some of the bizarre behavior reported
>here must be from editing the parameters in the AI .ini files.

Yeah, you're right, David. The weird behaviour of the AI seemed
strange to me because before I wasn't having any problems. Then I
edited the gpl_ai.ini values back to normal and everything's fine now.
The AI is generally very good in GPL, although sometimes in some
corners they can bump you under braking. But this has only happened
once to me and the reason for that was that I was braking too early.

But still, there's one problem. Have you seen the AI cars spinning?
They do crash with eachother and retire due to some problems but I
haven't seen them make an error and spin. Anyway, I'm off to a Pro
Long race at the Ring. :)

--
Greger Huttu


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