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P3D v2 Any major differences in modeling for P3D

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Are there any major differences or things to be aware of when modeling objects for P3D? I'm modeling a medium size international airport and I'd like it to be fully compatible with P3D v3. All the tutorials are made for FSX and I'd just like to know in advance if there are any problems that can arise from models made with FSX techniques so I won't have major headaches along the road because I didn't know about some little quirk that can be a major problem. I know about problem with ground lights on custom ground polys but is there anything else, specially about models itself, or what goes for FSX goes for P3D v3?
 
When you design objects in FSX technique they also can be used in P3D. You should take care of the number of drawcalls but that is the same in FSX.
There are however some material specific differences, but I am not yet a specialist for that. One thread here in the forum shows that there is a differnce in the implementationi of glass e.g. for windows:
http://www.fsdeveloper.com/forum/threads/v2-5-flickering-glass.435238/#post-723819

The other thing I found out is, that night textures are much brighter in P3D than in FSX when using the same texture. So I made two versions of night textures, one a bit darker when using in P3Dv2/v3.
 
Hi jdberg,
I noticed that too. The night texture is much brighter under HDR lighting. Are there any solution other than making two set of textures? It is not difficult to do but it is quite tedious Moreover, it needs to make options in installer to choose which version need to be installed.

Does it help if I convert the mdl with MCX to be P3D V2 or V3 MDL?
 
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I made some tests but at the end I used two texture sets. Don't think the conversion brings the required result but I did not check that.
 
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