Function RenderReticle

Descent3/hud.cpp:1998–2041

renders the reticle

//	renders the reticle
void RenderReticle() {
  static uint16_t primary_index_last_frame = 0xffff;
  static bool quad_primary_last_frame = false;
  player *player = &Players[Player_num];
  object *pobj = &Objects[player->objnum];
  ship *ship = &Ships[player->ship_index];
  player_weapon *prim_pw = &player->weapon[PW_PRIMARY];
  player_weapon *sec_pw = &player->weapon[PW_SECONDARY];
  int prim_wb_index = prim_pw->index;
  int sec_wb_index = sec_pw->index;
  otype_wb_info *prim_wb = &ship->static_wb[prim_wb_index];
  otype_wb_info *sec_wb = &ship->static_wb[sec_wb_index];
  dynamic_wb_info *prim_dyn_wb = &pobj->dynamic_wb[prim_wb_index];

  int cx = Ret_x_off + (FIXED_SCREEN_WIDTH >> 1);
  int cy = Ret_y_off + (FIXED_SCREEN_HEIGHT >> 1) + 6;
  int rw = RET_IMAGE_WIDTH;
  int rh = RET_IMAGE_HEIGHT;

  //	quad weapon check hack (any weapon states that change should be noted here.)
  if (prim_dyn_wb->flags & DWBF_QUAD) {
    if (!quad_primary_last_frame || primary_index_last_frame != prim_wb_index) {
      ResetReticle();
    }
    quad_primary_last_frame = true;
  } else {
    if (quad_primary_last_frame) {
      ResetReticle();
    }
    quad_primary_last_frame = false;
  }

  primary_index_last_frame = prim_wb_index;

  //	determine which primary batteries are open.
  draw_reticle_sub(cx, cy, rw, rh, reticle_mask(pobj, prim_wb, prim_wb_index), Ret_prim_mask, Ret_prim_wb);
  draw_reticle_sub(cx, cy, rw, rh, reticle_mask(pobj, sec_wb, sec_wb_index), Ret_sec_mask, Ret_sec_wb);

  if (Reticle_elem_array[RET_LGUNSIGHT].bmp_off > -1)
    RenderHUDQuad(cx - rw, cy - rh / 2, rw, rh, 0, 0, 1, 1, Reticle_elem_array[RET_LGUNSIGHT].bmp_off, 192);

  if (Reticle_elem_array[RET_RGUNSIGHT].bmp_off > -1)
    RenderHUDQuad(cx, cy - rh / 2, rw, rh, 0, 0, 1, 1, Reticle_elem_array[RET_RGUNSIGHT].bmp_off, 192);
}

//	renders missile reticle
void RenderMissileReticle() {