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CBA_fnc_sortNestedArray - Preserve order of elements with same sorting value #1271

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Jan 11, 2020
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CBA_fnc_sortNestedArray - Preserve order of elements with same sorting value #1271

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413d798
CBA_fnc_sortNestedArray - Add option to preserve order of elements wi…
mharis001 Dec 27, 2019
a0a6b5a
Remove parameter, change to default behaviour
mharis001 Dec 31, 2019
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17 changes: 10 additions & 7 deletions addons/arrays/fnc_sortNestedArray.sqf
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Original file line number Diff line number Diff line change
Expand Up @@ -3,9 +3,9 @@
Function: CBA_fnc_sortNestedArray

Description:
Used to sort a nested array from lowest to highest using quick sort.
Sorts the given nested array in either ascending or descending order based on the
numerical value at specified index of sub arrays.

Sorting is based on the specified column, which must have numerical data.
Original array is modified.

Parameters:
Expand All @@ -22,20 +22,23 @@ Returns:
Sorted array <ARRAY>

Author:
commy2
commy2, mharis001
---------------------------------------------------------------------------- */
SCRIPT(sortNestedArray);

params [["_array", [], [[]]], ["_index", 0, [0]], ["_order", true, [false]]];

private _helperArray = _array apply {
[_x select _index, _x]
};
private _helperArray = [];
private _coefficient = [-1, 1] select _order;

{
_helperArray pushBack [_x select _index, _coefficient * _forEachIndex, _x];
} forEach _array;
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Please keep the apply to save N pushBack commands.

private _helperArray = _array apply {
    [_x select _index, _coefficient * _forEachIndex, _x]
};

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no _forEachIndex in apply

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Dang.


_helperArray sort _order;

{
_array set [_forEachIndex, _x select 1];
_array set [_forEachIndex, _x select 2];
} forEach _helperArray;

_array