Function SendDataChunk

Descent3/multi.cpp:7864–7919

}

void SendDataChunk(int playernum) {
  int outcount = 0;
  static uint8_t outdata[MAX_PACKET_SIZE];
  static uint8_t readbuf[MAX_PACKET_SIZE];
  int size;
  int dataread;
  int done = 0;
  // mprintf(0,"Sending a data chunk to %d.\n",playernum);
  // Read the next chunk of the file and send it!
  if ((DATA_CHUNK_SIZE + NetPlayers[playernum].file_xfer_pos) >
      (uint32_t)NetPlayers[playernum].file_xfer_cfile->size) {
    dataread = NetPlayers[playernum].file_xfer_cfile->size - NetPlayers[playernum].file_xfer_pos;
    // This is the end of the file
    mprintf(0, "End of file detected!\n");
    done = 1;
  } else {
    dataread = DATA_CHUNK_SIZE;
  }

  try {
    cf_ReadBytes(readbuf, dataread, NetPlayers[playernum].file_xfer_cfile);
  } catch (cfile_error *cfe) {
    int t = cfe->read_write; // this is is here to fix compile warning
    // Woops, can't read the file, better error out!
    MultiCancelFile(playernum, NetPlayers[playernum].file_xfer_id, NetPlayers[playernum].file_xfer_who);
    Int3();
    return;
  }

  if (done) {
    cfclose(NetPlayers[playernum].file_xfer_cfile);
    NetPlayers[playernum].file_xfer_cfile = NULL;
    NetPlayers[playernum].file_xfer_pos = 0;
    NetPlayers[playernum].file_xfer_flags = NETFILE_NONE;
  }
  // Send them the next chunk
  size = START_DATA(MP_FILE_DATA, outdata, &outcount);
  MultiAddUint(NetPlayers[playernum].file_xfer_total_len, outdata, &outcount);
  MultiAddUint(NetPlayers[playernum].file_xfer_pos, outdata, &outcount);
  MultiAddUshort(NetPlayers[playernum].file_xfer_id, outdata, &outcount);
  if (Netgame.local_role == LR_SERVER)
    MultiAddUshort(NetPlayers[playernum].file_xfer_who, outdata, &outcount);
  else
    MultiAddUshort(Player_num, outdata, &outcount);
  // MultiAddUshort (NetPlayers[playernum].file_xfer_who,outdata,&outcount);
  MultiAddUshort(dataread, outdata, &outcount);
  memcpy(outdata + outcount, readbuf, dataread);
  outcount += dataread;
  END_DATA(outcount, outdata, size);
  if (Netgame.local_role == LR_SERVER) {
    nw_SendReliable(NetPlayers[playernum].reliable_socket, outdata, outcount, true);
  } else {
    nw_SendReliable(NetPlayers[Player_num].reliable_socket, outdata, outcount, true);
  }
  NetPlayers[playernum].file_xfer_pos += dataread;
}

void MultiDoFileCancelled(uint8_t *data) {