Re: Re: [Plib-devel] LoadASE problem.

[Dave M. <dp...@ef...>]

Christian wrote:

>I tried to compile a new plib checkout, but MSVC complaind about a few
>parts in the ASE load/save routines

Thanks for checking this out.  I added the fixed to other changes i'm making.
I noticed the plib.dsw/dsp in CVS is missing the new files and ssgContext.cxx.
i'll send Steve the changes for a commit later today

>Using the save.cxx SSG example with loading the tuxedo.ac and saving it
>then as tuxedo.ase I get
>
>*MATERIAL_AMBIENT -431602080.000000 -431602080.000000 -431602080.000000
>*MATERIAL_DIFFUSE -431602080.000000 -431602080.000000 -431602080.000000
>
>in all materials. This doesn't lok right (it looks like some unitialized
>floats). Is that correct?
>

correct.  AC format specifies rgb,amb,emis,and spec where as ASE specifies amb,diff,spec.
ssgLoadAC does this:

  st -> setMaterial ( GL_SPECULAR, mat -> spec ) ;
  st -> setMaterial ( GL_EMISSION, mat -> emis ) ;

and ssgLoadASE does this:

  st -> setMaterial ( GL_AMBIENT, mat -> amb ) ;
  st -> setMaterial ( GL_DIFFUSE, mat -> diff ) ;
  st -> setMaterial ( GL_SPECULAR, mat -> spec ) ;

therefore, when you load AC and save ASE you get undefined amb and diff.
before i fix this, i'd like to understand it more fully.  anyone want to comment on
how the state should be initialized for unknown properties?

thanks,
--Dave