Function DrawBlobbyWeaponRing

Descent3/WeaponFire.cpp:2465–2507

}

void DrawBlobbyWeaponRing(object *obj) {
  vector vecs[30];
  float lifenorm = (obj->lifetime - obj->lifeleft) / obj->lifetime;
  int i;

  int bm_handle;
  int num_segments = 20;

  int ring_increment = 65536 / num_segments;
  int ring_angle = 0;

  if (lifenorm >= 1.0)
    lifenorm = .999f;

  if (Weapons[obj->id].flags & WF_IMAGE_BITMAP)
    bm_handle = GetWeaponFireImage(obj->id, 0);
  else {
    vclip *vc = &GameVClips[Weapons[obj->id].fire_image_handle];
    int int_frame = vc->num_frames * lifenorm;
    bm_handle = vc->frames[int_frame];
  }

  rend_SetLighting(LS_NONE);
  rend_SetTextureType(TT_LINEAR);
  rend_SetAlphaType(AT_CONSTANT_TEXTURE);
  rend_SetAlphaValue((1.0 - lifenorm) * 255.0);

  // Now draw a ring of blobs
  ring_angle = 0;
  float blob_size = (obj->size / 4);

  for (i = 0; i < num_segments; i++, ring_angle += ring_increment) {
    float ring_sin = FixSin(ring_angle);
    float ring_cos = FixCos(ring_angle);

    vecs[i] = obj->orient.rvec * (ring_cos * obj->size);
    vecs[i] += obj->orient.uvec * (ring_sin * obj->size);
    vecs[i] += obj->pos;

    g3_DrawRotatedBitmap(&vecs[i], ring_angle, blob_size, (blob_size * bm_h(bm_handle, 0)) / bm_w(bm_handle, 0),
                         bm_handle);
  }
}

void DrawPolygonalWeaponRing(object *obj) {
  vector inner_vecs[30], outer_vecs[30];