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csauls



Joined: 27 Mar 2004
Posts: 278

PostPosted: Mon Apr 26, 2004 12:34 pm    Post subject: MI Reply with quote

Well as I'd suspected Steve uses Multiple Inheritance in a few places... see file 'ogrenew/Docs/api/html/classOgre_1_1EventProcessor.html' for an example. So how shall we deal with this? One option is to use interfaces, but unless mixins happen soon, that would mean a lot of extra coding for all the interface implementors.
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larsivi
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Joined: 27 Mar 2004
Posts: 453
Location: Trondheim, Norway

PostPosted: Mon Apr 26, 2004 3:30 pm    Post subject: Re: MI Reply with quote

csauls wrote:
Well as I'd suspected Steve uses Multiple Inheritance in a few places... see file 'ogrenew/Docs/api/html/classOgre_1_1EventProcessor.html' for an example. So how shall we deal with this? One option is to use interfaces, but unless mixins happen soon, that would mean a lot of extra coding for all the interface implementors.


Ok, I had to look at the header file to see what you meant. Might be a problem. We probably need to look closer at he event system as a whole. There might be better solutions.
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csauls



Joined: 27 Mar 2004
Posts: 278

PostPosted: Mon Apr 26, 2004 3:41 pm    Post subject: Reply with quote

*nods* Might go into realms like those being explored by the DWT team. Or do something wild with member templates. Or both. I figure we could always have a stand-alone hierarchy of event system objects, and have them tie into the main framework via delegates or the like. All just hypotheses right now.
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larsivi
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PostPosted: Tue Apr 27, 2004 2:17 am    Post subject: Reply with quote

In many places it might be relevant to look into has-a relations instead of is-a relations.
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csauls



Joined: 27 Mar 2004
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PostPosted: Tue Apr 27, 2004 12:17 pm    Post subject: Reply with quote

The has-a approach really probably is best... we'll just have to run with it and see what it ends up requiring of us. Might end up writing callback hooks for objects and their 'owners' to work together, but that's not too bad.
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