ACE3/addons/laser/functions/fnc_findLaserDesignator.sqf
2015-01-12 21:14:27 -08:00

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#include "script_component.hpp"
private ["_missile", "_headingPitch", "_found", "_vectorTo", "_polarTo", "_dir", "_vertOk", "_horzOk", "_fov",
"_closestDistance", "_pos1", "_pos2", "_disCheck", "_currentTarget", "_potentialTargets", "_offset", "_vector"];
_missile = _this select 0;
_laserCode = _this select 1;
_fov = if (count _this > 2) then {_this select 2} else {75};
_vector = if (count _this > 3) then {_this select 3} else {vectorDir _missile};
_offset = if (count _this > 4) then {_this select 4} else {[0,0,0]};
_headingPitch = _vector call CBA_fnc_vect2polar;
_currentTarget = nil;
_found = false;
LOG("Searching lasers");
if(!(isNil "ACE_LASERS")) then {
_potentialTargets = [];
TRACE_1("", ACE_LASERS);
{
if(!(isNull _x)) then {
_sensorPos = ATLtoASL(_missile modelToWorld _offset);
_vectorTo = [_sensorPos, ([_x] call FUNC(getPosASL))] call BIS_fnc_vectorFromXToY;
_polarTo = _vectorTo call CBA_fnc_vect2polar;
_dir = _polarTo select 1;
_dir = _dir - (_headingPitch select 1);
TRACE_4("Calc", _sensorPos, _vectorTo, _polarTo, _dir);
if (_dir < 0) then {_dir = _dir + 360};
if (_dir > 360) then {_dir = _dir - 360};
_vertOk = false;
_horzOk = false;
if(_dir < _fov || {_dir > (360-_fov)}) then {
_horzOk = true;
};
if(abs((abs(_polarTo select 2))-(abs(_headingPitch select 2))) < _fov) then {
_vertOk = true;
};
TRACE_2("Results", _vertOk, _horzOk);
if(_vertOk && {_horzOk}) then {
// Does the laser currently have our current code, if we have one?
_targetCode = _x getVariable ["ACE_LASERTARGET_CODE", ACE_DEFAULT_LASER_CODE];
TRACE_1("Target in sight, checking code", _targetCode, _laserCode);
if(_targetCode == _laserCode) then {
_potentialTargets set[(count _potentialTargets), _x];
};
};
};
} forEach ACE_LASERS;
TRACE_1("", _potentialTargets);
_closestDistance = 100000;
{
_pos1 = (getPosASL _missile);
_pos2 = ([_x] call FUNC(getPosASL));
_disCheck = _pos1 distance _pos2;
// shouldn't this bail out when a valid target is found instead of iterating over all potential targets ?
if(_disCheck < _closestDistance && {[_pos1, _pos2, _x, _missile] call FUNC(checkLos)}) then {
_found = true;
_currentTarget = _x;
_closestDistance = _disCheck;
};
} forEach _potentialTargets;
};
[_found, _currentTarget]