About scouting and known enemy structures

[Miguel González Duque]

Hi, everyone!

I'm currently working on my master thesis, and for it I want to train models for decision making under uncertainty in SC2. Thus I came to know about sc2reader. I want to mine several replays and try to build a predictive model for build orders.

I was wondering: is there an easy way to access which enemy structures has a player scouted?, is that information stored on .SC2Replay files or am I on bad luck?

Thanks!

[David Joerg]

Short answer: no, it’s not easy.

Long answer: with a bunch of work you can figure out some of what a player has scouted.  Because you can determine the locations of all buildings and many units, and you can tell where player is looking.

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[Miguel González Duque]

Hi, David.

Thanks for your answer.

I'm willing to do that bunch of work. Would you kindly point me towards the functions that allow me to determine these locations?, to my understanding one can easily tell when a unit has been constructed and where, but I was wondering if there's a way of getting the locations of all units of a player at a given frame.

I know one could maybe infer most of that information from events such as TargetPointCommandEvents and juggling unit speeds, but I was wondering if there's a summary

 one can access (per frame).

Thanks again.

Miguel.

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[David Joerg]

Have a look at trackAllObjects():

https://github.com/dsjoerg/ggpyjobs/blob/master/sc2parse/sc2reader_to_esdb.py#L319

That function uses all the inference methods we know to infer unit locations at various times.  There's no way to know where all units are at all times, but using those methods you get pretty decent coverage for normal games.