ACE3/addons/nlaw/functions/fnc_navigation_onFired.sqf

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#include "..\script_component.hpp"
/*
* Author: PabstMirror
* Sets up missile guidance state arrays (called from missileGuidance's onFired).
*
* Arguments:
* Guidance Arg Array <ARRAY>
*
* Return Value:
* Navigation Parameters <ARRAY>
*
* Example:
* [] call ace_nlaw_fnc_onFired
*
* Public: No
*/
params ["_firedEH", "_launchParams", "_flightParams", "_seekerParams", "_stateParams"];
_firedEH params ["_shooter","","","","","","_projectile"];
_launchParams params ["","_targetLaunchParams","","_attackProfile"];
_targetLaunchParams params ["_target"];
_stateParams params ["", "", "", "", "_navigationParams"];
// Reset _launchPos origin as projectile's height instead of player's foot
_targetLaunchParams set [2, getPosASL _projectile];
// Get state params:
TRACE_3("start of attack profile",_attackProfile,_shooter,vectorDir _projectile);
private _firedLOS = _shooter weaponDirection (currentWeapon _shooter);
private _yawChange = 0;
private _pitchChange = 0;
if (_shooter == ACE_player) then {
TRACE_2("isPlayer",GVAR(yawChange),GVAR(pitchChange));
_yawChange = GVAR(yawChange);
_pitchChange = GVAR(pitchChange);
TRACE_1("los check",_firedLOS call CBA_fnc_vect2Polar);
} else {
if ((!isNil "_target") && {!isNull _target}) then {
_firedLOS = (getPosASL _projectile) vectorFromTo (aimPos _target);
(((eyePos _shooter) vectorFromTo (aimPos _target)) call CBA_fnc_vect2Polar) params ["", "_startYaw", "_startPitch"];
// Add some random error to AI's velocity prediction:
private _random = random [(_shooter skillFinal "aimingAccuracy") min 0.9, 1, 2-((_shooter skillFinal "aimingAccuracy") min 0.9)];
(((eyePos _shooter) vectorFromTo ((aimPos _target) vectorAdd ((velocity _target) vectorMultiply (_random)))) call CBA_fnc_vect2Polar) params ["", "_predictedYaw", "_predictedPitch"];
_yawChange = ([_predictedYaw - _startYaw] call CBA_fnc_simplifyAngle180);
_pitchChange = ([_predictedPitch - _startPitch] call CBA_fnc_simplifyAngle180);
TRACE_1("AI",_target);
} else {
TRACE_1("AI - no target",_target);
};
};
// Limit Max Deflection
//_yawChange = -10 max _yawChange min 10;
//_pitchChange = -10 max _pitchChange min 10;
((velocity _projectile) call CBA_fnc_vect2polar) params ["", "_currentYaw", "_currentPitch"];
((ACE_player weaponDirection (currentWeapon ACE_player)) call CBA_fnc_vect2Polar) params ["", "_yaw", "_pitch"];
TRACE_5("attackProfileStateParams",_firedLOS,_yawChange,_pitchChange,_currentPitch,_currentYaw);
_navigationParams set [0, _yawChange];
_navigationParams set [1, _pitchChange];
_navigationParams set [2, _currentPitch]; // last pitch
_navigationParams set [3, _currentYaw]; // last yaw
_navigationParams set [4, _pitch]; // initial pitch
_navigationParams set [5, 0]; // whether or not to zero out the pitch
_navigationParams set [6, 0];
_navigationParams