ACE3/addons/overpressure/functions/fnc_fireLauncherBackblast.sqf
2016-01-16 15:53:28 -06:00

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/*
* Author: commy2 and esteldunedain
* Handle fire of local launchers
* Called from firedEHBB, only for ace_player with shot that will cause damage
*
* Arguments:
* 0: Unit that fired <OBJECT>
* 1: Weapon fired <STRING>
* 2: Muzzle <STRING>
* 3: Mode <STRING>
* 4: Ammo <STRING>
* 5: Magazine <STRING>
* 6: Projectile <OBJECT>
*
* Return value:
* None
*
* Example:
* [player, "launch_RPG32_F", "launch_RPG32_F", "Single", "R_PG32V_F", "RPG32_F", projectile] call ace_overpressure_fnc_fireLauncherBackblast;
*
* Public: No
*/
#include "script_component.hpp"
params ["_firer", "_weapon", "_muzzle", "", "_ammo", "_magazine", "_projectile"];
TRACE_6("params",_firer,_weapon,_muzzle,_ammo,_magazine,_projectile);
private _position = getPosASL _projectile;
private _direction = [0, 0, 0] vectorDiff (vectorDir _projectile);
// Bake variable name and check if the variable exists, call the caching function otherwise
private _varName = format [QGVAR(values%1%2%3), _weapon, _ammo, _magazine];
private _var = if (isNil _varName) then {
[_weapon, _ammo, _magazine] call FUNC(cacheOverPressureValues);
} else {
missionNameSpace getVariable _varName;
};
_var params["_backblastAngle","_backblastRange","_backblastDamage"];
TRACE_3("cache",_backblastAngle,_backblastRange,_backblastDamage);
// Damage to others
private _affected = (ASLtoAGL _position) nearEntities ["CAManBase", _backblastRange];
// Let each client handle their own affected units
["overpressure", _affected, [_firer, _position, _direction, _weapon, _magazine, _ammo]] call EFUNC(common,targetEvent);
// Damage to the firer
private _distance = 2 * ([_position, _direction, _backblastRange, _firer] call FUNC(getDistance));
TRACE_1("Distance",_distance);
if (_distance < _backblastRange) then {
private _alpha = sqrt (1 - _distance / _backblastRange);
private _beta = sqrt 0.5;
private _damage = _alpha * _beta * _backblastDamage;
[_damage * 100] call BIS_fnc_bloodEffect;
if (isClass (configFile >> "CfgPatches" >> "ACE_Medical") && {([_firer] call EFUNC(medical,hasMedicalEnabled))}) then {
[_firer, _damage, "body", "backblast"] call EFUNC(medical,addDamageToUnit);
} else {
_firer setDamage (damage _firer + _damage);
};
};
// Draw debug lines
#ifdef DEBUG_MODE_FULL
[ _position,
_position vectorAdd (_direction vectorMultiply _backblastRange),
[1,1,0,1]
] call EFUNC(common,addLineToDebugDraw);
private _ref = _direction call EFUNC(common,createOrthonormalReference);
[ _position,
_position vectorAdd (_direction vectorMultiply _backblastRange) vectorAdd ((_ref select 1) vectorMultiply _backblastRange * tan _backblastAngle),
[1,1,0,1]
] call EFUNC(common,addLineToDebugDraw);
[ _position,
_position vectorAdd (_direction vectorMultiply _backblastRange) vectorDiff ((_ref select 1) vectorMultiply _backblastRange * tan _backblastAngle),
[1,1,0,1]
] call EFUNC(common,addLineToDebugDraw);
[ _position,
_position vectorAdd (_direction vectorMultiply _backblastRange) vectorAdd ((_ref select 2) vectorMultiply _backblastRange * tan _backblastAngle),
[1,1,0,1]
] call EFUNC(common,addLineToDebugDraw);
[ _position,
_position vectorAdd (_direction vectorMultiply _backblastRange) vectorDiff ((_ref select 2) vectorMultiply _backblastRange * tan _backblastAngle),
[1,1,0,1]
] call EFUNC(common,addLineToDebugDraw);
[ _position,
_position vectorAdd (_direction vectorMultiply ((_distance/2) min _backblastRange)),
[1,0,0,1]
] call EFUNC(common,addLineToDebugDraw);
#endif