ACE3/addons/common/functions/fnc_deviceKeyFindValidIndex.sqf
2015-05-11 21:49:13 -05:00

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/*
* Author: PabstMirror
* Finds next valid index for the device array.
*
* Arguments:
* 0: Offset from currentIndex (use 1 to find next valid after current) or a displayName string <STRING>or<NUMBER><OPTIONAL>
*
* Return Value:
* The new index (-1 if no valid) <NUMBER>
*
* Example:
* [] call ace_common_fnc_deviceKeyFindValidIndex
* ["kestral4500"] call ace_common_fnc_deviceKeyFindValidIndex
*
* Public: No
*/
#include "script_component.hpp"
DEFAULT_PARAM(0,_searchOffsetOrName,0);
private ["_validIndex", "_offsetBy", "_realIndex", "_offset"];
_validIndex = -1;
if ((typeName _searchOffsetOrName) == "STRING") then {
{
if ((_x select 0) == _searchOffsetOrName) exitWith {
_validIndex = _forEachIndex;
};
} forEach GVAR(deviceKeyHandlingArray);
} else {
if ((count GVAR(deviceKeyHandlingArray)) > 0) then {
_baseIndex = if (GVAR(deviceKeyCurrentIndex) == -1) then {0} else {GVAR(deviceKeyCurrentIndex) + _searchOffsetOrName};
for "_offset" from _baseIndex to ((count GVAR(deviceKeyHandlingArray)) - 1 + _baseIndex) do {
_realIndex = _offset % (count GVAR(deviceKeyHandlingArray));
if ([] call ((GVAR(deviceKeyHandlingArray) select _realIndex) select 2)) exitWith {
_validIndex = _realIndex;
};
};
};
};
GVAR(deviceKeyCurrentIndex) = _validIndex;
GVAR(deviceKeyCurrentIndex)