Function AddFilteredHUDMessage

Descent3/hudmessage.cpp:577–609

Adds a HUD message (similar to AddHUDMessage), however can be filtered out by a "-playermessages" command line.

// Adds a HUD message (similar to AddHUDMessage), however can be filtered out by
// a "-playermessages" command line.
bool AddFilteredHUDMessage(const char *format, ...) {
  static int8_t checked_command_line = -1;

  if (checked_command_line == -1) {
    if (FindArg("-playermessages") != 0) {
      checked_command_line = 1;
    } else {
      checked_command_line = 0;
    }
  }

  if (Game_mode & GM_MULTI && checked_command_line)
    return false; // filter this message

  std::va_list args;
  char *message = NULL;
  char *last_message = NULL;
  char temp_message[HUD_MESSAGE_LENGTH * 2];

  va_start(args, format);
  std::vsnprintf(temp_message, HUD_MESSAGE_LENGTH * 2, format, args);
  va_end(args);

  if (Demo_flags == DF_RECORDING) {
    DemoWriteHudMessage(0, false, temp_message);
  }

  if (Dedicated_server) {
    return AddLineToHUDMessages(temp_message);
  }

  return AddMultipleLinesToHUDMessages(temp_message);
}

// Adds a message to the HUD message list.  If the list is already full, punt the
// top one and move the others up