ACE3/addons/medical/functions/fnc_getHeartRateChange.sqf
ulteq fa77fb7194 Various fixes:
* Fixed medication (morphine, epinephrine, ...)
* Fixed CPR
* Improved heart rate simulation
* Removed deprecated ace settings
2016-12-06 17:26:11 +01:00

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/*
* Author: Glowbal
* Get the change in the heart rate. Used for the vitals calculations. Calculated in one seconds.
*
* Arguments:
* 0: The Unit <OBJECT>
* 1: Time since last update <NUMBER>
*
* ReturnValue:
* Change in heart Rate <NUMBER>
*
* Public: No
*/
#include "script_component.hpp"
params ["_unit", "_deltaT"];
private _hrIncrease = 0;
private _hrTargetAdjustment = 0;
private _adjustment = _unit getVariable [QGVAR(heartRateAdjustments), []];
{
_x params ["_value", "_timeTillMaxEffect", "_maxTimeInSystem", "_timeInSystem", "_callBack"];
if (abs _value > 0 && {_maxTimeInSystem > 0}) then {
if (_timeInSystem >= _maxTimeInSystem) then {
_adjustment set [_forEachIndex, ObjNull];
[_unit] call _callBack;
} else {
_timeInSystem = _timeInSystem + _deltaT;
private _effectRatio = ((_timeInSystem / (1 max _timeTillMaxEffect)) ^ 2) min 1;
_hrTargetAdjustment = _hrTargetAdjustment + _value * _effectRatio * (_maxTimeInSystem - _timeInSystem) / _maxTimeInSystem;
_x set [3, _timeInSystem];
};
} else {
_adjustment set [_forEachIndex, ObjNull];
[_unit] call _callBack;
};
} forEach _adjustment;
_adjustment = _adjustment - [ObjNull];
_unit setVariable [QGVAR(heartRateAdjustments), _adjustment];
if (!(_unit getVariable [QGVAR(inCardiacArrest), false])) then {
private _heartRate = (_unit getVariable [QGVAR(heartRate), 80]);
private _bloodVolume = _unit getVariable [QGVAR(bloodVolume), DEFAULT_BLOOD_VOLUME];
if (_bloodVolume > BLOOD_VOLUME_CLASS_4_HEMORRHAGE) then {
private _hrChange = 0;
([_unit] call FUNC(getBloodPressure)) params ["_bloodPressureL", "_bloodPressureH"];
private _meanBP = (2/3) * _bloodPressureH + (1/3) * _bloodPressureL;
private _painLevel = [_unit] call FUNC(getPainLevel);
private _targetBP = 107;
private _targetHR = 80;
if (_bloodVolume < BLOOD_VOLUME_CLASS_3_HEMORRHAGE) then {
_targetBP = _targetBP * (_bloodVolume / DEFAULT_BLOOD_VOLUME);
};
if (_bloodVolume < BLOOD_VOLUME_CLASS_2_HEMORRHAGE) then {
_targetHR = _heartRate * (_targetBP / (45 max _meanBP));
};
if (_painLevel > 0.2) then {
_targetHR = _targetHR max (80 + 50 * _painLevel);
};
_hrChange = round(_targetHR - _heartRate) / 2;
if (_hrChange < 0) then {
_hrChange = _hrChange / 20;
};
_hrIncrease = _hrIncrease + _hrChange;
} else {
_hrIncrease = _hrIncrease - round(_heartRate / 10);
};
};
(_deltaT * _hrIncrease)