A3 KillFeed Script

// Only runs the following code if the machines executing it is the server.
if (!isServer) exitWith {};
if (isServer) then {
  // Add a "killed" CBA event-handler to all units in the game.
  ["CAManBase", "killed", {
    // Telling the previously mentioned event-handler which parameters we need access to.
    params ["_unit", ["_killer", objNull]];

    // Only use the following line of code if you are doing strictly PVP, this will remove PVE capabilities.
    // To enable, simply remove the /'s signifying a comment.
    // if !(isPlayer _unit) exitWith {};

    // This sets the "_killer" variable to the last unit that damaged the target unit.
    // If the killer is the target itself, then the target died due to bleeding out.
    _killer = _unit getVariable ["ace_medical_lastDamageSource", objNull];

    // Remotely executing a system chat message that will display our kill-feed statement.
    [[_unit, _killer], {
      // Grabbing our previous variables to format the kill-feed statement.
      params ["_unit", "_killer"];

      // Initializing the "killFeedStatement" variable.
      _killFeedStatement = "";

      // Checking whether the target unit was killed by another unit or bled out.
      if (_killer isEqualTo _unit) then {
        // Initializes a variable to contain the unit's name.
        _unitName = name _unit;

        // Formatting the kill-feed statement that displays when a unit has bled out.
        _killFeedStatement = format ["%1 has died of blood loss.", _unitName];

        // Displays the kill-feed statement as a system chat log.
        systemChat _killFeedStatement;
      } else {
        // Initializing variables to be used in the formatting of the kill-feed statement.
        _unitName = name _unit;
        _killerName = name _killer;
        _distance = _unit distance _killer;

        // Formatting the regular kill-feed statement.
        _killFeedStatement = format ["%1 was killed by %2. [%3m]", _unitName, _killerName, _distance];

        // Displays the kill-feed statement as a system chat log.
        systemChat _killFeedStatement;
      };
    }] remoteExec ["Call", 0];
  }] call CBA_fnc_addClassEventHandler;
};