Alternate Pathing

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Sparax-C1-

New Member
Jan 13, 2001
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I was botpathing all last night and got pretty good at most of it. I used some alternate paths and found that my bots did on occasion take different routes on their way to the NME flag.

The question I have is about selectionweight. I am assuming this is what decides which alternate path the bots are likely to take. The default is 1.0, does this mean it will be 100% they will take it? If I put two alternate paths by each other, each one leading to a diff route, and set both their selection weights at .5, is this going to make the bots take both routes about the same number of times? Or am I doing it all wrong?

Also, I read in a tutorial that when putting alternate paths, you need two right by each other, each one going to different paths. Is it possible to use 3 or more at one junction?

Sorry about all the questions, I have a new found hate for botpathing but I want to do it right. It is the last thing left on this map before Im finally through, w00t!
 
ChrisToth.hu

ChrisToth.hu

Level Designer
Oct 2, 2000
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-Alternatepaths are used for defining attack routes into the enemy base. So I can't see any point in placing several APs next to each other. ..Well, if you have a junction and three or four routes can be taken from that point then, sure, you should place three/four APs léeading into the different routes.

-The selectionweight setting is relative. You raise the value of the one which you want the bots to take more often. (Better route or bots ignore it...)
Playtest it a bit and see...:D
 
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Slick_Willy

Anyone Else Want Some?
May 19, 2000
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www.planetunreal.com
If you have 2 alternate paths with selection weight of 1.0 the bots will choose the Shortest Path which means no alternate path at all 33% of the time and the other 2 paths 33% of the time each. If you have 3 alternate paths then each of the 3 would have a 25% weight. Raising the selection weight will increase the possiblility of them taking that route but I'm not sure how much. There is no Uscript for alternate paths so I don't know. Probably is in the C++ code. I'll have to look at the UT source code and see if I can find it in the Navigation code. I was going to write an alternate path tutorial a while back since I seem to be the only one that truely knows how the work. Maybe I'll still do that when I find that code.
 
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