file.sqf

_faction = param [0, "opfor"];
_category = param [1, "uniforms"];
_unit = param [2, "o_g_soldier_unarmed_f"];
_specialunits = ["O_Soldier_F", "O_Soldier_GL_F", "O_Soldier_AR_F", "O_Soldier_LAT_F"];
_specialclass = ["rifleman", "grenadier", "autorifleman", "antitank"];
_items = [""],   
_itemarr = [];
_result = [];
_proarr = [];
_proportion = [];
_selunit = "";
_tot = 0;
_probl = 0;
_probu = 0;

if (typeOf _unit in _specialunits) then {
	_selunit = _specialclass select (_specialunits find (typeOf _unit));
	_items = getArray (missionConfigFile >> "CfgARCMF" >> "ai" >> "gear" >> _faction >> _selunit >> _category);
	
	if (count _items > 0) then {
		_result = _items call BIS_fnc_selectRandom;
	} else {
		_result = "";
	};
} else {
	_items = getArray (missionConfigFile >> "CfgARCMF" >> "ai" >> "gear" >> _faction >> _category);

	if (count _items > 0) then {
		_rand = random 1;

		{
			_prob = _x select 1;
			_proportion pushBack _prob;
		} forEach _items;
		
		{_tot = _tot + _x} forEach _proportion;
		
		{
			if (_tot != 0) then {
				_proarr pushBack (_x / _tot);
			} else {
				_proarr pushBack _x;
			};
		} forEach _proportion;
		
		{
			_class = _x select 0;
			
			if (_forEachIndex == 0) then {
				_probl = 0;
				_probu = _proarr select 0;
			} else {
				if (_forEachIndex == ((count _items) - 1)) then {
					_probu = 1;
					_probl = _probu - (_proarr select _forEachIndex);
				} else {
					_probl = _probu;
					_probu = _probl + (_proarr select _forEachIndex);
				};
			};

			if (_rand > _probl && _rand <= _probu) then {
				_itemarr pushBack _class;
			};
		} forEach _items;
	};

	if (count _itemarr > 0) then {
		_result = [(_itemarr call BIS_fnc_selectRandom)];
	};
};

_result