Heres another little snippet for applying lightmaps:

Code:

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 str_for_entfile(tempstring,my);

  str_lwr(tempstring);
  str_cpy(lightstring,"z");
  str_cat(lightstring,tempstring);

  //load model with light map uv-set	
  e2 = ent_create(lightstring, nullvector, 0);

  //generate and assign a new mesh with both uv-sets
  ent_loadseconduvset(my, e2);
  ent_remove(e2);

 

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Basically you can just save your models that contains lightmaps with a "z" in front of there original names. If you put this in your action, every entity with this action will load a lightmap. If you want to have only some entities with this action load them, then you can just specify that with a flag or skill.

I wish there was a way to morph the skin2 of an entity. It would make automatic lightmap texture assigning to your non-lightmap models skin2 possible.