Function MultiSendMessageFromServer

Descent3/multi.cpp:4956–5019

Sends a message from the server to the client

// Sends a message from the server to the client
void MultiSendMessageFromServer(int color, char *message, int to) {
  int count = 0;
  uint8_t data[MAX_GAME_DATA_SIZE];
  int size_offset;

  MULTI_ASSERT_NOMESSAGE(Netgame.local_role == LR_SERVER);

  size_offset = START_DATA(MP_MESSAGE_FROM_SERVER, data, &count, 1);
  MultiAddInt(color, data, &count);

  uint8_t len = strlen(message) + 1;

  MultiAddByte(len, data, &count);

  memcpy(&data[count], message, len);

  count += len;

  END_DATA(count, data, size_offset);

  if (to == MULTI_SEND_MESSAGE_ALL) {
    MultiSendReliablyToAllExcept(Player_num, data, count, false);
    MultiDoMessageFromServer(data);
  } else {
    int team = -1;

    switch (to) {
    case MULTI_SEND_MESSAGE_RED_TEAM:
      team = 0;
      break;
    case MULTI_SEND_MESSAGE_BLUE_TEAM:
      team = 1;
      break;
    case MULTI_SEND_MESSAGE_GREEN_TEAM:
      team = 2;
      break;
    case MULTI_SEND_MESSAGE_YELLOW_TEAM:
      team = 3;
      break;
    }

    if (team == -1) {
      // send it off to one person
      if (to >= 0 && to < MAX_PLAYERS) {
        if (NetPlayers[to].flags & NPF_CONNECTED && NetPlayers[to].sequence == NETSEQ_PLAYING && to != Player_num) {
          nw_SendReliable(NetPlayers[to].reliable_socket, data, count, false);
        }
      }
      if (to == Player_num)
        MultiDoMessageFromServer(data);
    } else {
      // send it off only to teammates
      for (int p = 0; p < MAX_PLAYERS; p++) {
        if (NetPlayers[p].flags & NPF_CONNECTED && NetPlayers[p].sequence == NETSEQ_PLAYING &&
            Players[p].team == team && p != Player_num) {

          nw_SendReliable(NetPlayers[p].reliable_socket, data, count, false);
        }