//	File: fn_handleVehicleDamage.sqf
//	Author: John "Paratus" VanderZwet
//	Description: Handles special damage events

private ["_unit","_damage","_source","_projectile","_hitBox"];

_heavyVeh = [
	"O_Heli_Light_02_unarmed_F",
	"O_Heli_Transport_04_F",
	"O_Heli_Transport_04_bench_F",
	"B_MRAP_01_F",
	"I_MRAP_03_F",
	"O_MRAP_02_F",
	"B_Truck_01_box_F",
	"B_Truck_01_transport_F",
	"B_Truck_01_fuel_F",
	"B_T_Truck_01_covered_F",
	"I_Heli_Transport_02_F",
	"B_Heli_Transport_01_F"

];

_unit = _this select 0;
_projectile = "";
if ((_this select 4) isEqualTo "<NULL-object>") then {
	_hitBox = _this select 2;
	_damage = _this select 3;
	_source = _this select 4;
} else {
	_hitBox = _this select 1;
	_damage = _this select 2;
	_source = _this select 3;
	_projectile = _this select 4;
};

if (_projectile != "") then {
	if !(isNull _unit) then {
		if (local _unit) then {[_source] call life_fnc_setAggressive} else {[_source] remoteExecCall ["life_fnc_setAggressive",_unit]};
	};
};

if (_hitBox != "?") then {
	_oldDamage = if (_hitBox isEqualTo "") then { damage _unit } else { _unit getHit _hitBox };

	if !(isNil "_oldDamage") then {
		if (isNull _source && _projectile isEqualTo "") exitWith {
			_scale = if (_hitBox select [0,5] == "wheel") then {0.15} else {0.35};
			_damage = ((_damage - _oldDamage) * _scale) + _oldDamage;
		};
	};
};

if (_projectile == "mini_Grenade") then {
	_damage = 0;
};

if (_hitBox == "palivo") then { _damage = _damage / 3 };

//RPG damage nonsense, thanks Pizza Man
if ((typeOf _unit) in _heavyVehicles) then {
	if (_projectile in ["R_PG7_F", "ammo_Penetrator_PG7"]) then {

		_hitPointAreas = (getAllHitPointsDamage _unit) select 0;
		{if (((toLower _x) find "wheel") >= 0) then {_unit setHitPointDamage [_x, 1];}} forEach _hitPointAreas;
		{if (((toLower _x) find "engine") >= 0) then {_unit setHitPointDamage [_x, 1];}} forEach _hitPointAreas;

		if ((["palivo", "fuel_hit", "ammo_hit", "glass"] findIf {(_hitBox find _x) >= 0}) >= 0) then {_damage = 0;};

		if (_hitBox isEqualTo "") then {
			_damage = switch (typeOf _unit) do {
	            case "B_Truck_01_fuel_F": {_damage * 3;};
	            case "O_Heli_Light_02_unarmed_F": {_damage * 0.80;};
	            case "B_Heli_Transport_01_F": {_damage * 0.80;};
	            case "B_MRAP_01_F": {0;}; //TBD, leave at 0 for now
	            default {_damage * 0.75;};
        	};
		};
	};
};

_damage;