ACE3/addons/atragmx/functions/fnc_calculate_target_solution.sqf

/*
 * Author: Ruthberg
 * Calculates the fireing solution and updates the result input/output fields
 *
 * Arguments:
 * Nothing
 *
 * Return Value:
 * Nothing
 *
 * Example:
 * call ace_atragmx_calculate_target_solution
 *
 * Public: No
 */
#include "script_component.hpp"

[] call FUNC(parse_input);

private ["_scopeBaseAngle"];
_scopeBaseAngle = (GVAR(workingMemory) select 3);

private ["_bulletMass", "_bulletDiameter", "_boreHeight", "_airFriction", "_barrelTwist", "_muzzleVelocity", "_bc", "_dragModel", "_atmosphereModel", "_twistDirection"];
_bulletMass = GVAR(workingMemory) select 12;
_bulletDiameter = GVAR(workingMemory) select 13;
_boreHeight = GVAR(workingMemory) select 5;
_airFriction = GVAR(workingMemory) select 4;
_barrelTwist = GVAR(workingMemory) select 14;
_muzzleVelocity = GVAR(workingMemory) select 1;
_bc = GVAR(workingMemory) select 15;
_dragModel = GVAR(workingMemory) select 16;
_atmosphereModel = GVAR(workingMemory) select 17;

_twistDirection = 0;
if (_barrelTwist > 0) then {
    _twistDirection = 1;
} else {
    if (_barrelTwist < 0) then {
        _twistDirection = -1;
    };
};
_barrelTwist = abs(_barrelTwist);

private ["_altitude", "_temperature", "_barometricPressure", "_relativeHumidity"];
_altitude = GVAR(altitude);
_temperature = GVAR(temperature);
_barometricPressure = GVAR(barometricPressure);
_relativeHumidity = GVAR(relativeHumidity);
if (!GVAR(atmosphereModeTBH)) then {
    _barometricPressure = 1013.25 * exp(-(_altitude) / 7990);
    _relativeHumidity = 50;
};

private ["_bulletLength", "_stabilityFactor"];
_bulletLength = 1.8;
_stabilityFactor = 1.5;
if ((missionNamespace getVariable [QEGVAR(advanced_ballistics,enabled), false]) && (missionNamespace getVariable [QEGVAR(advanced_ballistics,SpinDriftEnabled), false])) then {
    if (_bulletDiameter > 0 && _bulletLength > 0 && _bulletMass > 0 && _barrelTwist > 0) then {
        _stabilityFactor = [_bulletDiameter / 10 / 2.54, _bulletLength, _bulletMass * 15.4323584, _barrelTwist / 2.54, _muzzleVelocity, _temperature, _barometricPressure] call EFUNC(advanced_ballistics,calculateStabilityFactor);
    };
};

private ["_latitude", "_directionOfFire", "_windSpeed1", "_windSpeed2", "_windDirection", "_inclinationAngle", "_targetSpeed", "_targetRange"];
_latitude = GVAR(latitude) select GVAR(currentTarget);
_directionOfFire = GVAR(directionOfFire) select GVAR(currentTarget);
_windSpeed1 = GVAR(windSpeed1) select GVAR(currentTarget);
_windSpeed2 = GVAR(windSpeed2) select GVAR(currentTarget);
_windDirection = GVAR(windDirection) select GVAR(currentTarget);
_inclinationAngle = GVAR(inclinationAngle) select GVAR(currentTarget);
_targetSpeed = GVAR(targetSpeed) select GVAR(currentTarget);
_targetRange = GVAR(targetRange) select GVAR(currentTarget);

private ["_result"];
_result = [_scopeBaseAngle, _bulletMass, _boreHeight, _airFriction, _muzzleVelocity, _temperature, _barometricPressure, _relativeHumidity, 1000,
            [_windSpeed1, _windSpeed2], _windDirection, _inclinationAngle, _targetSpeed, _targetRange, _bc, _dragModel, _atmosphereModel, false, _stabilityFactor, _twistDirection, _latitude, _directionOfFire] call FUNC(calculate_solution);

GVAR(elevationOutput) set [GVAR(currentTarget), _result select 0];
GVAR(windage1Output) set [GVAR(currentTarget), (_result select 1) select 0];
GVAR(windage2Output) set [GVAR(currentTarget), (_result select 1) select 1];
GVAR(leadOutput) set [GVAR(currentTarget), _result select 2];
GVAR(tofOutput) set [GVAR(currentTarget), _result select 3];
GVAR(velocityOutput) set [GVAR(currentTarget), _result select 4];

[] call FUNC(update_result);