Function DrawSmolderingObject

Descent3/fireball.cpp:2427–2466

  return (choices[pick]);
}
void DrawSmolderingObject(object *obj) {
  vector veca;
  angvec angs;
  vector world_verts[4];
  g3Point pnts[4], *pntlist[4];
  if (!Viewer_object)
    return;
  vm_ExtractAnglesFromMatrix(&angs, &Viewer_object->orient);
  veca.x = FixCos(angs.h);
  veca.z = FixSin(angs.h);
  veca.y = 0;
  world_verts[0] = obj->pos - (veca * 10);
  world_verts[1] = obj->pos + (veca * 10);
  world_verts[2] = obj->pos + (veca * 10);
  world_verts[3] = obj->pos - (veca * 10);
  world_verts[0].y += obj->ctype.blast_info.max_size;
  world_verts[1].y += obj->ctype.blast_info.max_size;
  for (int i = 0; i < 4; i++) {
    g3_RotatePoint(&pnts[i], &world_verts[i]);
    pnts[i].p3_flags |= PF_UV;
    pntlist[i] = &pnts[i];
  }
  pnts[0].p3_u = 0;
  pnts[0].p3_v = 0;
  pnts[1].p3_u = 1;
  pnts[1].p3_v = 0;
  pnts[2].p3_u = 1;
  pnts[2].p3_v = 1;
  pnts[3].p3_u = 0;
  pnts[3].p3_v = 1;
  rend_SetTextureType(TT_LINEAR);
  rend_SetLighting(LS_NONE);
  rend_SetOverlayType(OT_NONE);
  rend_SetAlphaType(AT_CONSTANT + AT_TEXTURE);
  rend_SetAlphaValue(.4 * 255);

  vclip *vc = &GameVClips[Fireballs[obj->id].bm_handle];
  int bm_handle = vc->frames[3];
  g3_DrawPoly(4, pntlist, bm_handle);
}
// Creates end points that simulate lightning
void CreateLightningRodPositions(vector *src, vector *dest, vector *world_vecs, int num_segments, float rand_mag,
                                 bool do_flat) {