Re: understanding Q3TriMesh_EmptyData

[James W. W. <ja...@fr...>]

"Joseph J. Strout" <jo...@st...> wrote:

>I'm trying to get some TriMesh data out of a display group, work
>with it for a while in immediate mode, and then release it, and be
>able to get it again.  I get the data with Q3TriMesh_GetData, whose
>docs say that it will allocate memory, which I must free by calling
>Q3TriMesh_EmptyData.  But once I've done that, calling
>Q3TriMesh_GetData again on the original TQ3GeometryObject gives me a
>TriMesh with no attributes; both texture and diffuse color have been
>lost.
>
>Unfortunately, I'm not set up at the moment to test this under QD3D,
>so I'm unsure whether this is a bug in Quesa, or an error on my
>part. It's acting as though Q3TriMesh_GetData is not actually
>cloning the attributes, yet Q3TriMesh_EmptyData is nonetheless
>releasing them.


You're talking about the triMeshAttributeSet field, not face or 
vertex attributes, right?  I looked at the source code, and it seems 
to be doing the right thing:  Getting a new reference to the 
attribute set on Q3TriMesh_GetData, and releasing that reference on 
Q3TriMesh_EmptyData.
-- 
   James W. Walker, ScriptPerfection Enterprises, Inc.
   <http://www.write-brain.com/>