Function IsNonRenderableSubmodel

model/polymodel.cpp:3223–3234

Returns 1 if this submodel shouldn't be rendered

// Returns 1 if this submodel shouldn't be rendered
int IsNonRenderableSubmodel(poly_model *pm, int submodelnum) {
  ASSERT(pm->used);
  ASSERT(!(pm->flags & PMF_NOT_RESIDENT));

  if ((pm->submodel[submodelnum].flags & SOF_FRONTFACE) || (pm->submodel[submodelnum].flags & SOF_SHELL))
    return 1;

  if (pm->submodel[submodelnum].num_faces == 0)
    return 1;

  return 0;
}