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115 lines
4.1 KiB
Plaintext
115 lines
4.1 KiB
Plaintext
#include "..\script_component.hpp"
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/*
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* Author: jaynus / nou
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* Guidance Per Frame Handler
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*
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* Arguments:
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* 0: Guidance Arg Array <ARRAY>
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* 1: PFID <NUMBER>
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*
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* Return Value:
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* None
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*
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* Example:
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* [[], 0] call ace_missileguidance_fnc_guidancePFH;
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*
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* Public: No
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*/
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BEGIN_COUNTER(guidancePFH);
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#define TIMESTEP_FACTOR 0.01
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params ["_args", "_pfID"];
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_args params ["_firedEH", "_launchParams", "_flightParams", "_seekerParams", "_stateParams"];
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_firedEH params ["_shooter","","","","_ammo","","_projectile"];
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_launchParams params ["","_targetLaunchParams"];
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_stateParams params ["_lastRunTime", "_seekerStateParams", "_attackProfileStateParams", "_lastKnownPosState"];
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if (!alive _projectile || isNull _projectile || isNull _shooter) exitWith {
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[_pfID] call CBA_fnc_removePerFrameHandler;
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END_COUNTER(guidancePFH);
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};
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private _runtimeDelta = diag_tickTime - _lastRunTime;
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private _adjustTime = 1;
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if (accTime > 0) then {
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_adjustTime = 1/accTime;
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_adjustTime = _adjustTime * (_runtimeDelta / TIMESTEP_FACTOR);
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TRACE_4("Adjust timing", 1/accTime, _adjustTime, _runtimeDelta, (_runtimeDelta / TIMESTEP_FACTOR) );
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} else {
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_adjustTime = 0;
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};
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private _minDeflection = ((_flightParams select 0) - ((_flightParams select 0) * _adjustTime)) max 0;
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private _maxDeflection = (_flightParams select 1) * _adjustTime;
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// private _incDeflection = _flightParams select 2; // todo
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private _projectilePos = getPosASL _projectile;
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// Run seeker function:
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private _seekerTargetPos = [[0,0,0], _args, _seekerStateParams, _lastKnownPosState] call FUNC(doSeekerSearch);
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// Run attack profile function:
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private _profileAdjustedTargetPos = [_seekerTargetPos, _args, _attackProfileStateParams] call FUNC(doAttackProfile);
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// If we have no seeker target, then do not change anything
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// If there is no deflection on the missile, this cannot change and therefore is redundant. Avoid calculations for missiles without any deflection
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if ((_minDeflection != 0 || {_maxDeflection != 0}) && {_profileAdjustedTargetPos isNotEqualTo [0,0,0]}) then {
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private _targetVector = _projectilePos vectorFromTo _profileAdjustedTargetPos;
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private _adjustVector = _targetVector vectorDiff (vectorDir _projectile);
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_adjustVector params ["_adjustVectorX", "_adjustVectorY", "_adjustVectorZ"];
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private _yaw = 0;
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private _pitch = 0;
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private _roll = 0;
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if (_adjustVectorX < 0) then {
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_yaw = - ( (_minDeflection max ((abs _adjustVectorX) min _maxDeflection) ) );
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} else {
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if (_adjustVectorX > 0) then {
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_yaw = ( (_minDeflection max (_adjustVectorX min _maxDeflection) ) );
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};
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};
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if (_adjustVectorY < 0) then {
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_roll = - ( (_minDeflection max ((abs _adjustVectorY) min _maxDeflection) ) );
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} else {
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if (_adjustVectorY > 0) then {
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_roll = ( (_minDeflection max (_adjustVectorY min _maxDeflection) ) );
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};
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};
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if (_adjustVectorZ < 0) then {
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_pitch = - ( (_minDeflection max ((abs _adjustVectorZ) min _maxDeflection) ) );
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} else {
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if (_adjustVectorZ > 0) then {
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_pitch = ( (_minDeflection max (_adjustVectorZ min _maxDeflection) ) );
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};
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};
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private _finalAdjustVector = [_yaw, _roll, _pitch];
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TRACE_3("", _pitch, _yaw, _roll);
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TRACE_3("", _targetVector, _adjustVector, _finalAdjustVector);
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if (accTime > 0) then {
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private _changeVector = (vectorDir _projectile) vectorAdd _finalAdjustVector;
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TRACE_2("",_projectile,_changeVector);
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[_projectile, _changeVector] call FUNC(changeMissileDirection);
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};
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};
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#ifdef DRAW_GUIDANCE_INFO
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TRACE_3("",_projectilePos,_seekerTargetPos,_profileAdjustedTargetPos);
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drawIcon3D ["\a3\ui_f\data\IGUI\Cfg\Cursors\selectover_ca.paa", [1,0,0,1], ASLtoAGL _projectilePos, 0.75, 0.75, 0, _ammo, 1, 0.025, "TahomaB"];
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private _ps = "#particlesource" createVehicleLocal (ASLtoAGL _projectilePos);
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_PS setParticleParams [["\A3\Data_f\cl_basic", 8, 3, 1], "", "Billboard", 1, 3.0141, [0, 0, 2], [0, 0, 0], 1, 1.275, 1, 0, [1, 1], [[1, 0, 0, 1], [1, 0, 0, 1], [1, 0, 0, 1]], [1], 1, 0, "", "", nil];
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_PS setDropInterval 3.0;
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#endif
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_stateParams set [0, diag_tickTime];
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END_COUNTER(guidancePFH);
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