ACE3/addons/atragmx/functions/fnc_calculate_range_card.sqf
2016-11-15 23:11:22 +01:00

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/*
* Author: Ruthberg
* Calculates the range card output based on the current data set
*
* Arguments:
* Nothing
*
* Return Value:
* Nothing
*
* Example:
* call ace_atragmx_fnc_calculate_range_card
*
* Public: No
*/
#include "script_component.hpp"
[] call FUNC(parse_input);
GVAR(workingMemory) params ["",
"_muzzleVelocity", "",
"_scopeBaseAngle",
"_airFriction",
"_boreHeight", "", "", "", "", "", "",
"_bulletMass",
"_bulletDiameter",
"_barrelTwist",
"_bc",
"_dragModel",
"_atmosphereModel"
];
private _twistDirection = 0;
if (_barrelTwist > 0) then {
_twistDirection = 1;
} else {
if (_barrelTwist < 0) then {
_twistDirection = -1;
};
};
_barrelTwist = abs _barrelTwist;
private _altitude = GVAR(altitude);
private _temperature = GVAR(temperature);
private _barometricPressure = GVAR(barometricPressure);
private _relativeHumidity = GVAR(relativeHumidity);
if (!GVAR(atmosphereModeTBH)) then {
_barometricPressure = 1013.25 * (1 - (0.0065 * _altitude) / (273.15 + _temperature + 0.0065 * _altitude)) ^ 5.255754495;
_relativeHumidity = 50;
};
private _bulletLength = 45.72;
private _stabilityFactor = 1.5;
if (missionNamespace getVariable [QEGVAR(advanced_ballistics,enabled), false]) then {
if (_bulletDiameter > 0 && _bulletLength > 0 && _bulletMass > 0 && _barrelTwist > 0) then {
_stabilityFactor = [_bulletDiameter, _bulletLength, _bulletMass, _barrelTwist * 10, _muzzleVelocity, _temperature, _barometricPressure] call EFUNC(advanced_ballistics,calculateStabilityFactor);
};
};
private _latitude = GVAR(latitude) select GVAR(currentTarget);
private _directionOfFire = GVAR(directionOfFire) select GVAR(currentTarget);
private _windSpeed1 = (GVAR(windSpeed1) select GVAR(currentTarget));
private _windSpeed2 = (GVAR(windSpeed2) select GVAR(currentTarget));
private _windDirection = (GVAR(windDirection) select GVAR(currentTarget));
private _inclinationAngle = (GVAR(inclinationAngle) select GVAR(currentTarget));
private _targetSpeed = (GVAR(targetSpeed) select GVAR(currentTarget));
private _targetRange = GVAR(rangeCardEndRange);
if (GVAR(currentUnit) == 1) then {
_targetRange = _targetRange / 1.0936133;
};
GVAR(rangeCardData) = [];
private _result = [_scopeBaseAngle, _bulletMass, _boreHeight, _airFriction, _muzzleVelocity, _temperature, _barometricPressure, _relativeHumidity, 100,
[_windSpeed1, _windSpeed2], _windDirection, _inclinationAngle, _targetSpeed, _targetRange, _bc, _dragModel, _atmosphereModel, true, _stabilityFactor, _twistDirection, _latitude, _directionOfFire] call FUNC(calculate_solution);