/*
 * Author: PabstMirror
 * Simulates repacking a set of magazines.
 * Returns the timing and magazines counts at every stage.
 *
 * Arguments:
 * 0: How many rounds in a full magazine <NUMBER>
 * 1: Array of rounds in magazines <ARRAY>
 * 2: Magazine is a belt <BOOL>
 *
 * Return Value:
 * Array in format [time, isBullet, array of ammo counts] <ARRAY>
 *
 * Example:
 * [10, [1,2,3,8], false] call ace_magazinerepack_fnc_simulateRepackEvents =
 * [[1.5,true,[0,2,3,9]],[3.5,false,[0,2,3,9]],[5,true,[0,1,3,10]],[7,false,[0,1,3,10]],[8.5,true,[0,0,4,10]],[10.5,false,[0,0,4,10]]]
 *
 * Public: No
 */
#include "script_component.hpp"

params ["_fullMagazineCount", "_arrayOfAmmoCounts", "_isBelt"];

// Sort Ascending - Don't modify original
_arrayOfAmmoCounts = +_arrayOfAmmoCounts;
_arrayOfAmmoCounts sort true;

private _fnc_newMag = {
    _time = _time + GVAR(TimePerMagazine);
    _events pushBack [_time, false, +_arrayOfAmmoCounts];
};

private _lowIndex = 0;
private _highIndex = (count _arrayOfAmmoCounts) - 1;
private _ammoToTransfer = 0;
private _ammoAvailable = 0;
private _time = 0;
private _events = [];

while {_lowIndex < _highIndex} do {
    private _ammoNeeded = _fullMagazineCount - (_arrayOfAmmoCounts select _highIndex);
    _ammoAvailable = _arrayOfAmmoCounts select _lowIndex;

    if (_ammoAvailable == 0) then {
        _lowIndex = _lowIndex + 1;
        call _fnc_newMag;
    } else {
        if (_ammoNeeded == 0) then {
            _highIndex = _highIndex - 1;
            call _fnc_newMag;
        } else {
            private _ammoSwaped = _ammoAvailable min _ammoNeeded;
            if (_isBelt) then {
                _time = _time + GVAR(TimePerBeltLink);
                _arrayOfAmmoCounts set [_lowIndex, (_arrayOfAmmoCounts select _lowIndex) - _ammoSwaped];
                _arrayOfAmmoCounts set [_highIndex, (_arrayOfAmmoCounts select _highIndex) + _ammoSwaped];
                _events pushBack [_time, true, +_arrayOfAmmoCounts];
            } else {
                for "_swapProgress" from 0 to (_ammoSwaped - 1) do {
                    _time = _time + GVAR(TimePerAmmo);
                    _arrayOfAmmoCounts set [_lowIndex, (_arrayOfAmmoCounts select _lowIndex) - 1];
                    _arrayOfAmmoCounts set [_highIndex, (_arrayOfAmmoCounts select _highIndex) + 1];
                    _events pushBack [_time, true, +_arrayOfAmmoCounts];
                };
            };
        };
    };
};

_events