ACE3/addons/advanced_ballistics/functions/fnc_handleFired.sqf
2016-04-20 10:48:25 -05:00

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/*
* Author: Glowbal, Ruthberg
*
* Handles advanced ballistics for (BulletBase) projectiles. Called from the unified fired EH only for players.
*
* Arguments:
* None. Parameters inherited from EFUNC(common,firedEH)
*
* Return Value:
* None
*
* Public: No
*/
#include "script_component.hpp"
//IGNORE_PRIVATE_WARNING ["_unit", "_weapon", "_muzzle", "_mode", "_ammo", "_magazine", "_projectile", "_vehicle", "_gunner", "_turret"];
TRACE_10("firedEH:",_unit, _weapon, _muzzle, _mode, _ammo, _magazine, _projectile, _vehicle, _gunner, _turret);
// Parameterization
private ["_abort", "_AmmoCacheEntry", "_WeaponCacheEntry", "_opticsName", "_opticType", "_bulletTraceVisible", "_temperature", "_barometricPressure", "_bulletMass", "_bulletLength", "_muzzleVelocity", "_muzzleVelocityShift", "_bulletVelocity", "_bulletLength", "_barrelTwist", "_stabilityFactor", "_aceTimeSecond", "_barrelVelocityShift", "_ammoTemperatureVelocityShift"];
_abort = false;
if (!(_ammo isKindOf "BulletBase")) exitWith {};
if (!alive _projectile) exitWith {};
if (_unit distance ACE_player > GVAR(simulationRadius)) exitWith {};
if (underwater _unit) exitWith {};
if (!GVAR(simulateForEveryone) && !(local _unit)) then {
// The shooter is non local
_abort = true;
if (GVAR(simulateForSnipers)) then {
if (currentWeapon _unit == primaryWeapon _unit && count primaryWeaponItems _unit > 2) then {
_opticsName = (primaryWeaponItems _unit) select 2;
_opticType = getNumber(configFile >> "CfgWeapons" >> _opticsName >> "ItemInfo" >> "opticType");
_abort = _opticType != 2; // We only abort if the non local shooter is not a sniper
};
};
if (GVAR(simulateForGroupMembers) && _abort) then {
_abort = (group ACE_player) != (group _unit);
};
};
//if (!GVAR(vehicleGunnerEnabled) && !(_unit isKindOf "Man")) then { _abort = true; }; // We currently do not have firedEHs on vehicles
if (GVAR(disabledInFullAutoMode) && getNumber(configFile >> "CfgWeapons" >> _weapon >> _mode >> "autoFire") == 1) then { _abort = true; };
if (_abort || !(GVAR(extensionAvailable))) exitWith {
if (missionNamespace getVariable [QEGVAR(windDeflection,enabled), false]) then {
EGVAR(windDeflection,trackedBullets) pushBack [_projectile, getNumber(configFile >> "CfgAmmo" >> _ammo >> "airFriction")];
};
};
// Get Weapon and Ammo Configurations
_AmmoCacheEntry = uiNamespace getVariable format[QGVAR(%1), _ammo];
if (isNil "_AmmoCacheEntry") then {
_AmmoCacheEntry = _ammo call FUNC(readAmmoDataFromConfig);
};
_WeaponCacheEntry = uiNamespace getVariable format[QGVAR(%1), _weapon];
if (isNil "_WeaponCacheEntry") then {
_WeaponCacheEntry = _weapon call FUNC(readWeaponDataFromConfig);
};
_AmmoCacheEntry params ["_airFriction", "_caliber", "_bulletLength", "_bulletMass", "_transonicStabilityCoef", "_dragModel", "_ballisticCoefficients", "_velocityBoundaries", "_atmosphereModel", "_ammoTempMuzzleVelocityShifts", "_muzzleVelocityTable", "_barrelLengthTable"];
_WeaponCacheEntry params ["_barrelTwist", "_twistDirection", "_barrelLength"];
_bulletVelocity = velocity _projectile;
_muzzleVelocity = vectorMagnitude _bulletVelocity;
_barrelVelocityShift = 0;
if (GVAR(barrelLengthInfluenceEnabled)) then {
_barrelVelocityShift = [_barrelLength, _muzzleVelocityTable, _barrelLengthTable, _muzzleVelocity] call FUNC(calculateBarrelLengthVelocityShift);
};
_ammoTemperatureVelocityShift = 0;
if (GVAR(ammoTemperatureEnabled)) then {
_temperature = ((getPosASL _unit) select 2) call EFUNC(weather,calculateTemperatureAtHeight);
_ammoTemperatureVelocityShift = ([_ammoTempMuzzleVelocityShifts, _temperature] call FUNC(calculateAmmoTemperatureVelocityShift));
};
if (GVAR(ammoTemperatureEnabled) || GVAR(barrelLengthInfluenceEnabled)) then {
_muzzleVelocityShift = _barrelVelocityShift + _ammoTemperatureVelocityShift;
TRACE_4("shift",_muzzleVelocity,_muzzleVelocityShift, _barrelVelocityShift, _ammoTemperatureVelocityShift);
if (_muzzleVelocityShift != 0) then {
_muzzleVelocity = _muzzleVelocity + _muzzleVelocityShift;
_bulletVelocity = _bulletVelocity vectorAdd ((vectorNormalized _bulletVelocity) vectorMultiply (_muzzleVelocityShift));
_projectile setVelocity _bulletVelocity;
};
};
_bulletTraceVisible = false;
if (GVAR(bulletTraceEnabled) && cameraView == "GUNNER") then {
if (currentWeapon ACE_player == binocular ACE_player) then {
_bulletTraceVisible = true;
} else {
if (currentWeapon ACE_player == primaryWeapon ACE_player && count primaryWeaponItems ACE_player > 2) then {
_opticsName = (primaryWeaponItems ACE_player) select 2;
_opticType = getNumber(configFile >> "CfgWeapons" >> _opticsName >> "ItemInfo" >> "opticType");
_bulletTraceVisible = _opticType == 2;
};
};
};
_stabilityFactor = 1.5;
if (_caliber > 0 && _bulletLength > 0 && _bulletMass > 0 && _barrelTwist > 0) then {
if (isNil "_temperature") then {
_temperature = ((getPosASL _unit) select 2) call EFUNC(weather,calculateTemperatureAtHeight);
};
_barometricPressure = ((getPosASL _projectile) select 2) call EFUNC(weather,calculateBarometricPressure);
_stabilityFactor = [_caliber, _bulletLength, _bulletMass, _barrelTwist, _muzzleVelocity, _temperature, _barometricPressure] call FUNC(calculateStabilityFactor);
};
GVAR(currentbulletID) = (GVAR(currentbulletID) + 1) % 10000;
_aceTimeSecond = floor ACE_time;
"ace_advanced_ballistics" callExtension format["new:%1:%2:%3:%4:%5:%6:%7:%8:%9:%10:%11:%12:%13:%14:%15:%16:%17:%18", GVAR(currentbulletID), _airFriction, _ballisticCoefficients, _velocityBoundaries, _atmosphereModel, _dragModel, _stabilityFactor, _twistDirection, _muzzleVelocity, _transonicStabilityCoef, getPosASL _projectile, EGVAR(common,mapLatitude), EGVAR(weather,currentTemperature), EGVAR(common,mapAltitude), EGVAR(weather,currentHumidity), overcast, _aceTimeSecond, ACE_time - _aceTimeSecond];
GVAR(allBullets) pushBack [_projectile, _caliber, _bulletTraceVisible, GVAR(currentbulletID)];
if (isNil QGVAR(BulletPFH)) then {
GVAR(BulletPFH) = [FUNC(handleFirePFH), GVAR(simulationInterval), []] call CBA_fnc_addPerFrameHandler;
};