Function RenderSubmodelFaceFogged

model/newstyle.cpp:510–559

}

inline void RenderSubmodelFaceFogged(poly_model *pm, bsp_info *sm, int facenum) {
  g3Point *pointlist[100];
  polyface *fp = &sm->faces[facenum];
  int modelnum = sm - pm->submodel;
  int t;

  for (t = 0; t < fp->nverts; t++) {
    g3Point *p = &Robot_points[fp->vertnums[t]];
    pointlist[t] = p;

    float mag;

    if (Polymodel_effect.fog_plane_check == 1) {
      mag = vm_DotProduct(&Fog_plane, &sm->verts[fp->vertnums[t]]) + Fog_distance;
    } else {
      vector *vec = &sm->verts[fp->vertnums[t]];

      // Now we must generate the split point. This is simply
      // an equation in the form Origin + t*Direction

      float dist = (*vec * Polymodel_fog_plane) + Fog_distance;

      vector subvec = *vec - Fog_view_pos;

      float t = Fog_eye_distance / (Fog_eye_distance - dist);
      vector portal_point = Fog_view_pos + (t * subvec);

      float eye_distance = -(vm_DotProduct(&Fog_plane, &portal_point));
      mag = vm_DotProduct(&Fog_plane, vec) + eye_distance;
    }

    float scalar = mag / Polymodel_effect.fog_depth;

    if (scalar > 1)
      scalar = 1;
    if (scalar < 0)
      scalar = 0;
    p->p3_a = scalar;

    p->p3_flags |= PF_RGBA;
  }

  if (triangulated_faces[facenum])
    g3_SetTriangulationTest(1);

  g3_DrawPoly(fp->nverts, pointlist, 0);

  if (triangulated_faces[facenum])
    g3_SetTriangulationTest(0);
}

inline void RenderSubmodelFaceSpecular(poly_model *pm, bsp_info *sm, int facenum) {
  g3Point *pointlist[100];