Metadata in ScriptBuilder, splitting code in client-server architecture

noizex · 2018-05-01T23:21:00

Hello, I'm working on a client-server architecture for my game and I'd like to reuse code as much as possible - while it may be possible to split server and client code into separate source files, it would be much easier to follow if I could somehow annotate methods and variables with meta data - which is what ScriptBuilder is already capable of. There are two problems to fully make use of it: 1) ScriptBuilder seems to only allow single [] metainfo - it can't collect all of them and put them into an array. I will look into the way to add this possibility - do you think it would make sense to include in ScriptBuilder, or I should keep it for myself? This change would allow to put metainfo in such way, which will be very useful for me: (UPDATE: This may actually work, for some reason I think I was getting assert when "stacking" meta data, now I'm running it and it seems to gather them all, I'll see if it works till the point of fetching)UPDATE2: It's partially possible - the data is there but it's getting lost when saving to the final meta-data map, because it's a map, so multiple values will get ignored when inserting. I'm checking if changing this storage to std::multimap and slightly changing retrieval methods wouldn't make it possible to have multiple metainfo. [sync] [persistent] [doc="This is current amount of health points"] int health; 2) Second thing is ability to annotate methods and vars as server or client-only. I know there is a possibility to leave some code out by using #ifdefs but this isn't pretty compared to doing it like this: [sever-only] void calculateDamage(Object@ target, Object@ attacker); [client-only] void spawnParticleEffect(); Unfortunately due to deferred way that metadata is gathered I have no idea if it's even possible to leave out certain method or variable during compilation based on what's marked as such in metainfo. But the final result would be including first method only when compiling on server and second only for client execution. Maybe someone has idea how to achieve this in some reasonable way - the fallback solution is just slapping tons of #ifs in each script, but per-method&variable approach would make it much cleaner. Thanks!

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Started by noizex April 19, 2018 03:16 PM

11 comments, last by WitchLord 6 years, 6 months ago

WitchLord

4,860

April 23, 2018 10:21 PM

Thanks for sharing. I`ll review the changes you made as soon as possible.

This way of sending me the code is fine. I rarely commit contributions directly to the library without my own tweaks anyway.

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WitchLord

4,860

May 01, 2018 11:21 PM

I've included this in revision 2498.

I ended up using a slightly different approach, but the end result is the same.

AngelCode.com - game development and more - Reference DB - game developer references
AngelScript - free scripting library - BMFont - free bitmap font generator - Tower - free puzzle game

Metadata in ScriptBuilder, splitting code in client-server architecture

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