#include "script_component.hpp"
/*
 * Author: KoffeinFlummi, esteldunedain
 * Display the adjustment knobs, update their value and fade them out later
 *
 * Arguments:
 * None
 *
 * Return Value:
 * None
 *
 * Example:
 * [] call ace_scopes_fnc_showZeroing
 *
 * Public: No
 */

disableSerialization;

private _weaponIndex = [ACE_player, currentWeapon ACE_player] call EFUNC(common,getWeaponIndex);
if (_weaponIndex < 0) exitWith {};

private _adjustment = ACE_player getVariable [QGVAR(Adjustment), [[0, 0, 0], [0, 0, 0], [0, 0, 0]]];

// Display the adjustment knobs
private _layer = [QGVAR(Zeroing)] call BIS_fnc_rscLayer;
_layer cutRsc [QGVAR(Zeroing), "PLAIN", 0, false];

// Find the display
private _display = uiNamespace getVariable [QGVAR(ZeroingDisplay), displayNull];
if (isNull _display) exitWith {};

// Update values
private _zeroing = _adjustment select _weaponIndex;
_zeroing params ["_elevation", "_windage"];
private _vertical = _display displayCtrl 12;
private _horizontal = _display displayCtrl 13;
if (GVAR(simplifiedZeroing)) then {
    _vertical ctrlSetText format["%1 m", round(_elevation)];
    _horizontal ctrlSetText "";
} else {
    if (GVAR(useLegacyUI)) then {
        _vertical ctrlSetText (str _elevation);
        _horizontal ctrlSetText (str _windage);
    } else {
        if (_elevation == 0) then {
            _vertical ctrlSetText "0";
        } else {
            if (_elevation > 0) then {
                _vertical ctrlSetText (str _elevation);
            } else {
                _vertical ctrlSetText format[localize LSTRING(DisplayAdjustmentDown), abs(_elevation)];
            };
        };
        if (_windage == 0) then {
            _horizontal ctrlSetText "0";
        } else {
            if (_windage > 0) then {
                _horizontal ctrlSetText format[localize LSTRING(DisplayAdjustmentRight), abs(_windage)];
            } else {
                _horizontal ctrlSetText format[localize LSTRING(DisplayAdjustmentLeft), abs(_windage)];
            };
        };
    };
};

// Set the time when to hide the knobs
GVAR(timeToHide) = diag_tickTime + 3.0;

if (!isNil QGVAR(fadePFH)) exitWith {};

// Launch a PFH to wait and fade out the knobs
GVAR(fadePFH) = [{
    if (diag_tickTime >= GVAR(timeToHide)) exitWith {
        private _pfhId = _this select 1;
        private _layer = [QGVAR(Zeroing)] call BIS_fnc_rscLayer;
        _layer cutFadeOut 2;

        GVAR(fadePFH) = nil;
        [_pfhId] call CBA_fnc_removePerFrameHandler;
    };
}, 0.1, []] call CBA_fnc_addPerFrameHandler