ACE3/addons/attach/functions/fnc_canAttach.sqf

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/*
* Author: commy2
* Check if a unit can attach a specific item.
*
* Arguments:
* 0: vehicle that it will be attached to (player or vehicle) <OBJECT>
* 1: unit doing the attach (player) <OBJECT>
* 2: Array empty or containing a string of the attachable item <ARRAY>
*
* Return Value:
* Can Attach <BOOL>
*
* Example:
* [bob, bob, ["light"]] call ace_attach_fnc_canAttach;
*
* Public: No
*/
#include "script_component.hpp"
PARAMS_3(_attachToVehicle,_player,_args);
private ["_itemName", "_attachLimit", "_attachedObjects"];
_itemName = [_args, 0, ""] call CBA_fnc_defaultParam;
_attachLimit = [6, 1] select (_player == _attachToVehicle);
_attachedObjects = _attachToVehicle getVariable [QGVAR(Objects), []];
_playerPos = (ACE_player modelToWorldVisual (ACE_player selectionPosition "pilot"));
(canStand _player) && {(_attachToVehicle distance _player) < 7} && {alive _attachToVehicle} && {(count _attachedObjects) < _attachLimit} && {_itemName in ((itemsWithMagazines _player) + [""])};