/*
Spawns the specified loot definition at the specified location.

Parameters:
	array		Loot definition
	vector		Spawn position relative to world

Return value:
	object		Spawned vehicle.

Author:
	Foxy
*/

#include "Loot.hpp"

//Maximum number of magazines spawned along with weapons
#define MAX_WEAPON_MAGAZINES 2

#ifdef SERVER
	#define INCREMENT_WEAPON_HOLDERS
#else
	#define INCREMENT_WEAPON_HOLDERS dayz_currentWeaponHolders = dayz_currentWeaponHolders + 1;
#endif

private ["_item","_isWater","_type","_lootInfo","_vehicle","_spawnCount","_magazines"];

_lootInfo = _this select 0;
_pos = _this select 1;
_type = _lootInfo select 0;
_item = _lootInfo select 1;
_isWater = surfaceIsWater _pos;
_vehicle = objNull;

call {
	//Spawn a single magazine
	if (_type == Loot_MAGAZINE) exitWith {
		if (dayz_classicBloodBagSystem && _item in dayz_typedBags) then {
			if (_item in ["bloodTester","bloodBagAPOS","bloodBagABPOS"]) then { // reduce ItemBloodBag output slightly since typed bags spawn in bulk
				_item = ["ItemBandage","ItemPainkiller","ItemMorphine","ItemHeatPack","ItemAntibacterialWipe"] call BIS_fnc_selectRandom;
			} else {
				_item = "ItemBloodbag";
			};
		};
		if (!dayz_toolBreaking) then {
			if (_item == "equip_lever") then { // The levers are only used if tool breaking is turned on.
				_item = ["equip_hose","ItemPlank","equip_nails","ItemLog","equip_brick"] call BIS_fnc_selectRandom;
			};
		};
		if (!dayz_knifeDulling) then {
			if (_item == "equip_brick") then { // Bricks are only used to sharpen tools
				_item = ["equip_hose","ItemPlank","equip_nails","ItemLog"] call BIS_fnc_selectRandom;
			};
		};
		_vehicle = "WeaponHolder" createVehicle [0,0,0];
		_vehicle addMagazineCargoGlobal [_item, 1];
		
		// Fix generator spawning half way in the floor by raising z coordinate by .3 meters.
		if (_item == "ItemGenerator") then {
			_pos set [2, ((_pos select 2) + .3)];
		};
		
		if (_isWater) then {
			_vehicle setPos (_pos);
		} else {
			_vehicle setPosATL (_pos);
		};
		
		INCREMENT_WEAPON_HOLDERS
	};
	
	//Spawn a single weapon with [0,MAX_WEAPON_MAGAZINES] magazines.
	if (_type == Loot_WEAPON) exitWith {
		_vehicle = "WeaponHolder" createVehicle [0,0,0];
		_vehicle addWeaponCargoGlobal [_item, 1];
		
		if (_isWater) then {
			_vehicle setPos (_pos);
		} else {
			_vehicle setPosATL (_pos);
		};

		INCREMENT_WEAPON_HOLDERS
		
		_magazines = getArray (configFile >> "CfgWeapons" >> _item >> "magazines");
		
		if (count _magazines > 0 && {getNumber (configFile >> "CfgWeapons" >> _item >> "melee") != 1}) then
		{
			_vehicle addMagazineCargoGlobal [_magazines select 0, floor random (MAX_WEAPON_MAGAZINES + 1)];
		};
	};
	
	//Spawn backpack
	if (_type == Loot_BACKPACK) exitWith {
		_vehicle = _item createVehicle [0,0,0];
		
		// Fix floating backpacks by lowering z coordinate by .15 meters.
		_pos set [2, ((_pos select 2) - .15)];
		
		if (_isWater) then {
			_vehicle setPos (_pos);
		} else {
			_vehicle setPosATL (_pos);
		};
	};
	
	//Spawn multiple items from a given group. All but weapons and magazines are ignored.
	if (_type == Loot_PILE) exitWith {
		_spawnCount = (_lootInfo select 2) + floor random ((_lootInfo select 3) - (_lootInfo select 2) + 1);
		_vehicle = "WeaponHolder" createVehicle [0,0,0];
		Loot_InsertCargo(_vehicle, _item, _spawnCount);
		
		if (_isWater) then {
			_vehicle setPos (_pos);
		} else {
			_vehicle setPosATL (_pos);
		};
		INCREMENT_WEAPON_HOLDERS
	};
	
	//Spawn a vehicle
	if (_type == Loot_VEHICLE) exitWith {
		_vehicle = _item createVehicle [0,0,0];
		_vehicle setDir random 360;
		
		if (_isWater) then {
			_vehicle setPos (_pos);
		} else {
			_vehicle setPosATL (_pos);
		};
	};
	
	//Spawn a container and populate it with loot from a given group
	if (_type == Loot_CONTAINER) exitWith {
		_vehicle = _item createVehicle [0,0,0];
		
		//Number of items to spawn
		_spawnCount = (_lootInfo select 3) + floor random ((_lootInfo select 4) - (_lootInfo select 3) + 1);
		Loot_InsertCargo(_vehicle, _item, _spawnCount);
		_vehicle setDir random 360;
		
		if (_isWater) then {
			_vehicle setPos (_pos);
		} else {
			_vehicle setPosATL (_pos);
		};
		INCREMENT_WEAPON_HOLDERS
	};
	
	//Call a function which is assumed to return an object reference.
	if (_type == Loot_CUSTOM) exitWith {
		_vehicle = call (_item);
		if ((typeName _vehicle) != "OBJECT") exitWith {};
		
		if (!isNull _vehicle) then {
			if (_isWater) then {
				_vehicle setPos (_pos);
			} else {
				_vehicle setPosATL (_pos);
			};
		};
	};
};

_vehicle