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Mame Front End Developer Guide
#389016 - 12/15/20 07:47 AM
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Hi all!
I'm a seasoned developer but new to mame dev. I'm building yet another front end in electron and have a ton of questions.
If there are better places to ask or tutorials please let me know.
My main issue at the moment is querying for lists. I'd like to duplicate the same selections as mame for now ie. Available, Unavailable etc. None of the cli options seem to be what I want. Thanks ahead of time.
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Re: Mame Front End Developer Guide
[Re: stranskydesign]
#389022 - 12/16/20 08:07 AM
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There doesn't appear to be a command for those lists. The closest thing I could find is mame64 -listxml > listXML.xml which creates a 250 mg xml file so I know that's not right. How does MameUI pull those lists?
Edited by stranskydesign (12/16/20 08:08 AM)
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Re: Mame Front End Developer Guide
[Re: stranskydesign]
#389035 - 12/17/20 05:41 AM
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> My main issue at the moment is querying for lists. I'd like to duplicate the same
> selections as mame for now ie. Available, Unavailable etc. None of the cli options
> seem to be what I want. Thanks ahead of time.
You’re not supposed to shell out to MAME for every operation like that. You’re supposed to store the -listxml output in a database so you can query it with good performance and build the lists from that.
See the minimaws sample code for an example of how you can store the data in a relational database: https://github.com/mamedev/mame/tree/master/scripts/minimaws/
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Re: Mame Front End Developer Guide
[Re: Vas Crabb]
#389069 - 12/20/20 10:11 AM
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Thank you so much for the link. I'll dig through it but it looks exactly like what I've been looking for. I've never had a harder time finding some example code.
When I dump listxml to a file it's 242mb. And it takes a while. I'm developing on a mac but my mame runs mameui64. I don't remember it taking long at all to install or start up the first time. Do you happen to know if it handles this differently?
Either way, thanks again.
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Re: Mame Front End Developer Guide
[Re: stranskydesign]
#389071 - 12/20/20 11:52 AM
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Re: Mame Front End Developer Guide
[Re: Robbbert]
#389079 - 12/21/20 04:22 AM
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Man thanks sooo much!
I has suspected from searching through mameui source that it was encapsulating mame.exe. I assume they are essentially using the mame source as a lib? Anyways, thanks for confirming. Again, I'd suspected as well that, being a thin client, I'd have to generate my own db. I just really didn't want to find out later there was some awesome REST api.
I have plenty of DB options, it's just great knowing that "this is the way".
Great tip on the version id.
I'm kinda surprised that there isn't a more efficient interface like being able to query for just categories, and then roms filtered by category and page number etc. Json data would be nice too.
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