Any good Ai's that don't bug out?

Discuss the new AI features ("NoAI") introduced into OpenTTD 0.7, allowing you to implement custom AIs, and the new Game Scripts available in OpenTTD 1.2 and higher.

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PET
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Any good Ai's that don't bug out?

Post by PET »

Hello there,

So I wanted to start playing OpenTTD again.

Found a couple of interesting AI's. AdminarlAI, SimpleAi, OtviAI. All of then bug out. Some of them after 1 second some of them after X minutes. It's pretty hard to say that I'm actually playing the game. All I do is reload Ai's only so they can crash again.

So for a nub. Is there any decent Ai that can actually WORK? I want it to be able to build trucks, trains & planes.

I'm using the latest version for OpenTTD, 1.2.0.

Thanks
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Re: Any good Ai's that don't bug out?

Post by Lord Aro »

If you could report the problems to the repective AI forum thread, they could be improved so they don't 'bug out'
AroAI - A really feeble attempt at an AI

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Brumi
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Re: Any good Ai's that don't bug out?

Post by Brumi »

SimpleAI bugged out? Please, tell me some more details about that, in my tests it is stable :?
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PET
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Re: Any good Ai's that don't bug out?

Post by PET »

Hmm... I seem to not get any errors now however some of the Ai's just remain at 2$ value.
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Re: Any good Ai's that don't bug out?

Post by Zuu »

PET wrote:Hmm... I seem to not get any errors now however some of the Ai's just remain at 2$ value.
Without more details, its hard for us to improve the AIs.
PET wrote:Is there any decent Ai that can actually WORK? I want it to be able to build trucks, trains & planes.
Take a look here: http://wiki.openttd.org/Comparison_of_AIs#Features
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Re: Any good Ai's that don't bug out?

Post by Brumi »

The $2 value is not a problem at all, their company value will rise eventually :wink:
It only means that they spend their money actively at the start of the game and take loans.
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Re: Any good Ai's that don't bug out?

Post by Samu »

This is an interesting question for me as well. I'm currently testing all possible AIs and exclude them one by one when a crash occurs.

While I was doing these tests, I noticed that some AIs prefer some game settings over others. Then there's also AIs with their own customizable settings. This adds complexity or bias when doing my tests, but I'll try to write here on this topic the AIs *which I think* are stable for 100 years (1950-2050), but I might add some notes for each AI about odd stuff happening.
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Re: Any good Ai's that don't bug out?

Post by Zuu »

If you test on OpenTTD 1.3 or trunk, mind the advanced setting:

Competitors => Computer Players => Default settings profile

It defaults to easy. Some AIs will in that case play nice to the player. If you want the settings that the AI author thinks is more competitive, you should change this setting. You may need to remove and re-add the AIs again to their AI slots in the configuration for this to take affect.


When doing AI tests on < 1.3, you would usually always test AIs on their "custom difficulty" profile, as changing the number of AI opponents caused OpenTTD to change difficulty to Custom.
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PET
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Re: Any good Ai's that don't bug out?

Post by PET »

Hey guys. I'm re-summoning this topic again.

I'm in the mood to play OpenTTD again, but before I start... any AI's that are ok and don't bug out?

Thank You
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Re: Any good Ai's that don't bug out?

Post by Kogut »

Current version of my AIAI is either without bugs or unused, as last report about problems was a long time ago.
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Re: Any good Ai's that don't bug out?

Post by Hephi »

I cleared some bugs from MailAI, nobody reported any since my new version yet.
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MailAI, a casual postal service for openTTD.
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Re: Any good Ai's that don't bug out?

Post by R-TEAM »

Hi,

i maked a testgames with the Spring2013 patch pack - configured in mind of the HardPack patch that i played before.So with partly much higher costs and not all AIs come good with this :)

I make a list who show the AI behavor :

AI Name | InitialRun | Restart1 ...

AIAI - O.K. - Super
Bork AI - O.K. - ~
Clueless - Fail - ~ - Fail
Dictator AI - O.K. - ~ - O.K.
Mail AI - O.K. - O.K.
NoCab - O.K. - Super
SynTrans - ~ - Fail - ~ - Fail
Terron - ~ - Super
SimpleAI - O.K. - Super
OIVI - ~ - Fail
NoCab BE - O.K.
ChoCho - ~ - Fail
RoadRunn V8 - Crash

Fail = The AI never become profit and dead slowly
~ = The AI become profit, but not much and was bought by another AI or grow very slow (but grow..)
O.K. = The AI make good profit and make interesting things
Super = The AI was very good and become nearly or more profit as I self :)

All AIs have played together in one big game (with mee) and all AIs have the same problem :
If you start realy early then the income is very low and the costs very high.. in later years (if an AI was bought by another/get bankrupt, the AI restart after 3-5 month) it is more easy for the AIs to get plus income ...
Specialy the OIVI AI was nice - but generate horrible traffic in towns without sense, so after his second fail i dont restart it again ..

Actual i use this AIs :
AIAI
Bork AI
Dictator AI
Mail AI
NoCab
NoCab BE (it plays more or less different than the "no BE" version - so i add it - but it needs tweaking of the AI compatibility files to get it running ..)
Terron
SimpleAI

Regards
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Re: Any good Ai's that don't bug out?

Post by Brumi »

I'm actually surprised that Clueless failed in your test, it's one of the most stable AIs out there in my opinion.
And it's good to see that SimpleAI performed well even under hard conditions :)
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Re: Any good Ai's that don't bug out?

Post by R-TEAM »

Hi,
Brumi wrote:I'm actually surprised that Clueless failed in your test, it's one of the most stable AIs out there in my opinion.
And it's good to see that SimpleAI performed well even under hard conditions :)
i can say - this test test the top edge of OpenTTD modification ...
It uses an highly modifyed OpenTTD version as base (Spring2013 pack)
I use heavily NewGRF sets for newindustrys,new town houses and structure,new tracks,new vhicle sets in all groups[Ground/Air/see] and new station sets ...(ECS/TTRS/NuTraks/MetroTraks/2CC/pipe....)
I modify to realy agressiv high costs of constructing/removing/maintaince and buy ...

So if the AI have an weak point to adopt to any of this modificationen, he will fail or only bad perform ..
As example, cant remamber which AI - but one have tryed every time to build an "train" network with Pipe ...
So the problem here was, the AI dont understand the usage of the pipe set vehicles .. and Fail ..

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R-TEAM
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Re: Any good Ai's that don't bug out?

Post by Zutty »

Aww man people don't use Pathzilla any more. I gotta update it.
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Re: Any good Ai's that don't bug out?

Post by PET »

:bow: :bow: SUMMONING TOPIC :bow: :bow:

So I'm in the mood to play some OpenTTD. What are the AI's to go for? :D

Thanks
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PET
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Re: Any good Ai's that don't bug out?

Post by PET »

PET wrote: 31 Aug 2018 00:53 :bow: :bow: SUMMONING TOPIC :bow: :bow:

So I'm in the mood to play some OpenTTD. What are the AI's to go for? :D

Thanks
And again :D What AI's do you recommend? :D
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Re: Any good Ai's that don't bug out?

Post by Jaume »

SuperSimpleAI v35, of course :-)
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Re: Any good Ai's that don't bug out?

Post by Michiel »

I just made some fixes & updates to ChooChoo, so consider giving that a go :D
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Re: Any good Ai's that don't bug out?

Post by Redirect Left »

PET wrote: 15 Feb 2023 08:18 And again :D What AI's do you recommend? :D
I recently did a thread on this (the link to the findings is at the top of it) viewtopic.php?t=90674
Basically if you want something that is competent and builds fairly good networks, ChooChoo by far. But AAAHogEx will put up a fight if all you're interested in is it trying to outdo you in terms of revenue, even if it isn't anywhere near as co-ordinated as ChooChoo's fantastic networks are.
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Need some good tested AI? - Unofficial AI Tester, list of good stuff & thread is here.
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