ACE3/TO_MERGE/agm/Backblast/functions/fn_launcherBackblast.sqf

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// by commy2
_unit = _this select 0;
_firer = _this select 1;
_distance = _this select 2;
_weapon = _this select 3;
if (vehicle _unit != _unit || {!([_firer] call AGM_Core_fnc_isPlayer)}) exitWith {};
_backblastAngle = getNumber (configFile >> "CfgWeapons" >> _weapon >> "AGM_Backblast_Angle") / 2;
_backblastRange = getNumber (configFile >> "CfgWeapons" >> _weapon >> "AGM_Backblast_Range");
_backblastDamage = getNumber (configFile >> "CfgWeapons" >> _weapon >> "AGM_Backblast_Damage");
_position = eyePos _firer;
_direction = _firer weaponDirection currentWeapon _firer;
if (_unit == _firer) then {
_distance = [_position, _direction, _backblastRange] call AGM_Backblast_fnc_getDistance;
if (_distance < _backblastRange) then {
_alpha = sqrt (1 - _distance / _backblastRange);
_beta = sqrt 0.5;
_damage = 2 * _alpha * _beta * _backblastDamage;
[_damage * 100] call BIS_fnc_bloodEffect;
if (isClass (configFile >> "CfgPatches" >> "AGM_Medical")) then {
[_unit, "HitBody", ([_unit, "", ((_unit getHitPointDamage "HitBody") + _damage), objNull, objNull] call AGM_Medical_fnc_handleDamage)] call AGM_Medical_fnc_setHitPointDamage;
} else {
_unit setDamage (damage _unit + _damage);
};
};
} else {
_direction = [0, 0, 0] vectorDiff _direction;
_azimuth = (_direction select 0) atan2 (_direction select 1);
_inclination = asin (_direction select 2);
_relativePosition = eyePos _unit;
_relativeDirection = _relativePosition vectorDiff _position;
_relativeAzimuth = (_relativeDirection select 0) atan2 (_relativeDirection select 1);
_relativeInclination = asin (_relativeDirection select 2);
_angle = sqrt ((_relativeAzimuth - _azimuth) ^ 2 + (_relativeInclination - _inclination) ^ 2);
_distance = vectorMagnitude _relativeDirection;
_line = [_position, _relativePosition];
if (_angle < _backblastAngle && {_distance < _backblastRange} && {!lineIntersects _line} && {!terrainIntersectASL _line}) then {
_alpha = sqrt (1 - _distance / _backblastRange);
_beta = sqrt (1 - _angle / _backblastAngle);
_damage = 2 * _alpha * _beta * _backblastDamage;
if (_unit == AGM_player) then {[_damage * 100] call BIS_fnc_bloodEffect};
if (isClass (configFile >> "CfgPatches" >> "AGM_Medical")) then {
[_unit, "HitBody", ([_unit, "", ((_unit getHitPointDamage "HitBody") + _damage), objNull, objNull] call AGM_Medical_fnc_handleDamage)] call AGM_Medical_fnc_setHitPointDamage;
_unit spawn {
sleep 0.5;
[_this, "", 0, objNull, objNull] call AGM_Medical_fnc_handleDamage;
};
} else {
_unit setDamage (damage _unit + _damage);
};
};
};