Function AskToJoin

Descent3/multi_connect.cpp:294–327

Returns true if the server says we can join

// Returns true if the server says we can join
int AskToJoin(network_address *addr) {
  int count = 0;
  int size;
  int tries = 0;
  uint8_t data[MAX_GAME_DATA_SIZE];
  float start_time;
  network_address from_addr;

  size = START_DATA(MP_ASK_TO_JOIN, data, &count);
  END_DATA(count, data, size);

  Ok_to_join = -1;

  while (tries < 5 && Ok_to_join == -1) {
    // Send of our question and then wait!
    ASSERT(size > 0);
    nw_Send(addr, data, count, 0);
    tries++;

    start_time = timer_GetTime();
    while ((timer_GetTime() - start_time < ASK_POLL_TIME) && Ok_to_join == -1) {
      int packsize;
      while (((packsize = nw_Receive(Multi_receive_buffer, &from_addr)) > 0) && Ok_to_join == -1) {
        MultiProcessBigData(Multi_receive_buffer, packsize, &from_addr);
      }
    }
  }

  if (tries >= 5 || Ok_to_join != JOIN_ANSWER_OK)
    return 0;

  // Ok to join!
  return 1;
}

// Trys to join this client with the server address passed in
// Returns 1 on success, 0 on fail