Epoch/Sources/epoch_code/compile/traders/EPOCH_startNpcTrade.sqf

/*
	Author: Aaron Clark - EpochMod.com

    Contributors: He-Man

	Description:
	NPC trade code

    Licence:
    Arma Public License Share Alike (APL-SA) - https://www.bistudio.com/community/licenses/arma-public-license-share-alike

    Github:
    https://github.com/EpochModTeam/Epoch/tree/release/Sources/epoch_code/traders/EPOCH_startNpcTrade.sqf

    Example:
    cursorTarget call EPOCH_startNpcTrade;

    Parameter(s):
		_this: OBJECT

	Returns:
	NOTHING
*/
private ["_vehSlot","_vehicle","_vehicles","_item","_current_crypto","_itemWorth","_itemTax","_tax","_config","_sizeOut","_arrayIn","_arrayOut"];

if (!isNil "EPOCH_TRADE_COMPLETE") exitWith {};
if (!isNil "EPOCH_TRADE_STARTED") exitWith{};
if (isNull _this) exitWith{};

if (alive _this) then {

	_config = 'CfgPricing' call EPOCH_returnConfig;

	_current_crypto = EPOCH_playerCrypto;

	// _arrayIn = Sell Array
	_sizeOut = lbSize 41501;
	_arrayIn = [];
	if (_sizeOut > 0) then {
		for "_i" from 0 to(_sizeOut - 1) do {
			_item = lbData[41501, _i];

			if (isClass (_config >> _item)) then{

				// test remove items to be sold and add to array
				if ([_item, "CfgWeapons"] call EPOCH_fnc_isAny) then {
					if (_item in items player) then {
						player removeItem _item;
						_arrayIn pushBack _item;
					} else {
						if (_item == primaryweapon player) then {
							player removeweapon _item;
							_arrayIn pushBack _item;
						};
					};
				} else {
					if ([_item, "CfgVehicles"] call EPOCH_fnc_isAny) then {
						if (_item == backpack player) then {
							removeBackpack player;
							_arrayIn pushBack _item;
						} else {
							_vehicles = _this nearEntities[[_item], 30];
							if (!(_vehicles isEqualTo[])) then {
								_vehicle = _vehicles select 0;
								if (!isNull _vehicle) then {
									if (local _vehicle) then {
										_vehSlot = _vehicle getVariable["VEHICLE_SLOT", "ABORT"];
										if (_vehSlot != "ABORT") then {
											_arrayIn pushBack _item;
											// will be removed server side
										};
									};
								};
							};
						};
					} else {
						if (_item in magazines player) then {
							player removeMagazine _item;
							_arrayIn pushBack _item;
						};
					};
				};
				// test



			};
		};
	};

	// _arrayOut = Purchase Array
	_sizeOut = lbSize 41502;
	_arrayOut = [];
	if (_sizeOut > 0) then {
		for "_i" from 0 to(_sizeOut - 1) do {
			_item = lbData[41502, _i];

			if (isClass (_config >> _item)) then{
				_itemWorth = getNumber(_config >> "price");
				_itemTax = getNumber(_config >> "tax");
				_tax = _itemWorth * (EPOCH_taxRate + _itemTax);
				_itemWorth = ceil(_itemWorth + _tax);

				if (_current_crypto >= _itemWorth) then {
					_current_crypto = _current_crypto - _itemWorth;
					_arrayOut pushBack _item;
				};
			};
		};
	};

	if (!(_arrayIn isEqualTo[]) || !(_arrayOut isEqualTo[])) then {
		EPOCH_TRADE_STARTED = true;

		// make trade
		[_this, _arrayIn, _arrayOut, player, Epoch_personalToken] remoteExec ["EPOCH_server_makeNPCTrade",2];

		// close menu
		closeDialog 0;

		[_arrayIn, _arrayOut] spawn{

			waitUntil{ uiSleep 0.1; !isNil "EPOCH_TRADE_COMPLETE" };

			// SOLD ITEMS ARRAY
			if !((EPOCH_TRADE_COMPLETE select 0) isEqualTo[]) then {
				if ((EPOCH_TRADE_COMPLETE select 0) isEqualTo(_this select 0)) then {
					['Items Sold', 5] call Epoch_message;
				}
				else {
					['Failed To Sell Items', 5] call Epoch_message;
				};
			};

			// PURCHASED ITEMS ARRAY
			if !((EPOCH_TRADE_COMPLETE select 1) isEqualTo[]) then {
				if ((EPOCH_TRADE_COMPLETE select 1) isEqualTo(_this select 1)) then {

					_errorMsg = 'Items Purchased: ';
					// add purchased items
					{
						if ([_x, "CfgWeapons"] call EPOCH_fnc_isAny) then {
							_errorMsg = _errorMsg + format["%1, ", getText(configfile >> "CfgWeapons" >> (_x) >> "displayName")];
							_type = getNumber(configfile >> "CfgWeapons" >> (_x) >> "type");
							_addWeaponToHands = false;
							switch (_type) do {
								case 1: {
									if (primaryWeapon player == "") then {
										_addWeaponToHands = true;
									};
								};
								case 2: {
									if (secondaryWeapon player == "") then {
										_addWeaponToHands = true;
									};
								};
								case 4: {
									if (handgunWeapon player == "") then {
										_addWeaponToHands = true;
									};
								};
							};
							if (_addWeaponToHands) then {
								player addWeapon _x;
							}
							else {
								_x call EPOCH_fnc_addItemOverflow;
							};
						} else {
							if ([_x, "CfgMagazines"] call EPOCH_fnc_isAny) then {
								_errorMsg = _errorMsg + format["%1, ", getText(configfile >> "CfgMagazines" >> (_x) >> "displayName")];
								_x call EPOCH_fnc_addItemOverflow;
							} else {
								_errorMsg = _errorMsg + format["%1, ", getText(configfile >> "CfgVehicles" >> (_x) >> "displayName")];
							};
						};
					} forEach(_this select 1);

					[_errorMsg, 5] call Epoch_message;
				}
				else {
					['Failed To Purchase Items', 5] call Epoch_message;
				};
			};

			EPOCH_TRADE_COMPLETE = nil;
			EPOCH_TRADE_STARTED = nil;
		};
	};
};