Function MultiDoRequestToObserve

Descent3/multi.cpp:6163–6207

Someone is asking us for permission to enter observer mode

// Someone is asking us for permission to enter observer mode
void MultiDoRequestToObserve(uint8_t *data) {
  int count = 0;
  int objnum;

  mprintf(0, "Got request to observe!\n");

  MULTI_ASSERT_NOMESSAGE(Netgame.local_role == LR_SERVER);

  SKIP_HEADER(data, &count);

  uint8_t slot = MultiGetByte(data, &count);
  uint8_t mode = MultiGetByte(data, &count);
  uint8_t on = MultiGetByte(data, &count);

  if (mode == OBSERVER_MODE_PIGGYBACK)
    objnum = MultiGetInt(data, &count);

  if ((Objects[Players[slot].objnum].type == OBJ_PLAYER && on) ||
      (Objects[Players[slot].objnum].type == OBJ_OBSERVER && !on)) {
    int newcount = 0;
    uint8_t newdata[MAX_GAME_DATA_SIZE];
    int size_offset;

    size_offset = START_DATA(MP_OBSERVER_CHANGE, newdata, &newcount);

    MultiAddByte(slot, newdata, &newcount);
    MultiAddByte(mode, newdata, &newcount);
    MultiAddByte(on, newdata, &newcount);

    if (!on) {
      int start_slot = PlayerGetRandomStartPosition(slot);
      MultiAddShort(start_slot, newdata, &newcount);
    } else
      MultiAddShort(0, newdata, &newcount);

    if (mode == OBSERVER_MODE_PIGGYBACK) {
      MultiAddInt(objnum, newdata, &newcount);
    }

    END_DATA(newcount, newdata, size_offset);

    MultiSendReliablyToAllExcept(Player_num, newdata, newcount, NETSEQ_PLAYERS, false);
    MultiDoObserverChange(newdata);
  }
}

// We're asking to enter observer mode
void MultiSendRequestToObserve(int mode, int on, int objnum) {