Function RenderSubmodelFacesSorted

model/newstyle.cpp:700–739

}

void RenderSubmodelFacesSorted(poly_model *pm, bsp_info *sm) {
  int i, t;

  int rcount;
  int model_render_order[MAX_POLYGON_VECS];
  int modelnum = sm - pm->submodel;

  ASSERT(sm->nverts < MAX_POLYGON_VECS);

  // Build list of visible (non-backfacing) faces, & compute average face depths
  for (i = rcount = 0; i < sm->num_faces; i++) {
    polyface *fp = &sm->faces[i];

    // check for visible face
    if (g3_CheckNormalFacing(&sm->verts[fp->vertnums[0]], &fp->normal)) {
      face_depth[i] = 0;
      for (t = 0; t < fp->nverts; t++)
        face_depth[i] += Robot_points[fp->vertnums[t]].p3_z;

      face_depth[i] /= fp->nverts;

      // initialize order list
      model_render_order[rcount] = i;

      rcount++;

      ASSERT(rcount < MAX_POLYGON_VECS);
    }
  }

  // Sort the faces
  qsort(model_render_order, rcount, sizeof(*model_render_order),
        (int (*)(const void *, const void *))ModelFaceSortFunc);

  for (i = rcount - 1; i >= 0; i--) {
    int facenum = model_render_order[i];

    RenderSubmodelFace(pm, sm, facenum);
  }
}
void RenderSubmodelFacesUnsorted(poly_model *pm, bsp_info *sm) {
  int i;
  int modelnum = sm - pm->submodel;