Re: Q3TriMesh_GetData

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

Roger Holmes wrote:
> I have had a problem with a corrupt 3DMF file which draws OK and seems  
> fine until I do some complicated manipulations on it where my code  
> gets everything which is not already a TriMesh into a TriMesh (or  
> Triangle) and calls Q3TriMesh_GetData on all the objects. Part of what  
> this gives me is an edge list which contains pairs of triangle  
> indices. The problem came when I got a triangle index of 86 and there  
> were only 11 triangles in the triangle list. This caused my program to  
> crash.
> 
> I am now filtering the data I get back from Q3TriMesh_GetData and  
> every index which is invalid gets set to 0xFFFFFFFF which means the  
> edge has no triangle on that side.
> 
> So others don't have to spend two days debugging, would it be worth  
> adding this extra processing to Q3TriMesh_GetData itself, or where we  
> read the trimeshes in from the 3DMF?

What about doing the sanity check in e3geom_trimesh_new, so it would 
cover TriMeshes created by means other than reading 3DMF?
-- 
   James W. Walker, Innoventive Software LLC
   <http://www.frameforge3d.com/>