Add backpack selling to Advanced Trading

It was not possible to sell a backpack from your gear or vehicle.

Added option to sell from gear. Sell backpack from vehicle is still not
possible currently due to Arma limitations.

SQF/dayz_code/actions/AdvancedTrading/functions/z_at_checkArrayInConfig.sqf

@@ -1,24 +1,26 @@
 /**
-*	[_weaps,_mags,_extraText] call Z_checkArrayInConfig
+*	[_weaps,_mags,_extraText,_bags] call Z_checkArrayInConfig
 *
 *   @param Array of Strings _this select 0 (_weaps) -> all weapons/items in the container
 *   @param Array of Strings _this select 1 (_mags) -> all magazines in the container
 *	@param String 			_this select 2 (_extraText) -> Indicator what container you are trading from
+*   @param Array of Strings _this select 3 (_bags) -> all backpacks in the container
 *
 *	Fills up the sell or buy list if the item has a valid config.
 **/
-private ["_weaps","_mags","_extraText","_all","_total","_arrayOfTraderCat","_totalPrice","_ctrltext","_backUpText"];
+private ["_weaps","_mags","_extraText","_all","_total","_arrayOfTraderCat","_totalPrice","_ctrltext","_backUpText","_bags"];
 #include "defines.sqf";
 
 _weaps = _this select 0;
 _mags = _this select 1;
 _extraText = _this select 2;
+_bags = _this select 3;
 _vehTrade = false;
 if (false call Z_checkCloseVehicle) then {
-	_all = _weaps + _mags + [(typeOf Z_vehicle)];
+	_all = _weaps + _mags + _bags + [(typeOf Z_vehicle)];
 	_vehTrade = true;
 } else {
-	_all = _weaps + _mags;
+	_all = _weaps + _mags + _bags;
 };
 _total = count(_all);
 _arrayOfTraderCat = Z_traderData;

SQF/dayz_code/actions/AdvancedTrading/functions/z_at_getBackpackItems.sqf

@@ -43,7 +43,7 @@ if (!isNull _backpack) then {
 		};
 	}forEach _kinds2;
 
-	[_normalMags,_normalWeaps, typeOf _backpack] call Z_checkArrayInConfig;
+	[_normalMags,_normalWeaps, typeOf _backpack,[]] call Z_checkArrayInConfig;
 }else{
 	_ctrltext = localize "STR_EPOCH_TRADE_STUPID";
 	ctrlSetText [Z_AT_TRADERLINE2, _ctrltext];

SQF/dayz_code/actions/AdvancedTrading/functions/z_at_getGearItems.sqf

@@ -3,13 +3,15 @@
 *
 *	Gets all your items stored in your gear and innitiates the selling list.
 **/
-private ["_mags","_weaps","_skin","_formattedText"];
+private ["_mags","_weaps","_skin","_formattedText","_bag","_bags"];
 #include "defines.sqf";
 call Z_clearLists;
 Z_SellArray = [];
 Z_SellableArray = [];
  _mags = magazines player;
  _weaps = weapons player;
+_bag = unitBackpack player;
+_bags = if (isNull _bag) then {[]} else {[typeOf _bag]};
 
 _skin = typeOf player;
 _pic = getText (configFile >> 'CfgVehicles' >> _skin >> 'portrait');
@@ -22,4 +24,4 @@ _formattedText = format [
 
 (findDisplay Z_AT_DIALOGWINDOW displayCtrl Z_AT_CONTAINERINFO) ctrlSetStructuredText parseText _formattedText;
 
-[_weaps,_mags,localize "STR_EPOCH_YOUR_GEAR"] call	Z_checkArrayInConfig;
+[_weaps,_mags,localize "STR_EPOCH_YOUR_GEAR",_bags] call Z_checkArrayInConfig;

SQF/dayz_code/actions/AdvancedTrading/functions/z_at_getVehicleItems.sqf

@@ -31,9 +31,11 @@ if (!isNull _vehicle) then {
 	Z_vehicle = _vehicle;
 	_mags = getMagazineCargo _vehicle;
 	_weaps = getWeaponCargo _vehicle;
+	_bags = getBackpackCargo _vehicle;
 
 	_normalMags = [];
 	_normalWeaps = [];
+	_normalBags = [];
 
 	_kinds = _mags select 0;
 	_ammmounts = _mags select 1;
@@ -54,8 +56,21 @@ if (!isNull _vehicle) then {
 			_counter = _counter + 1;
 		};
 	}forEach _kinds2;
+	
+	// Can't sell backpacks from vehicle because there is currently no command to remove single backpacks from cargo (only clearBackpackCargo which removes all)
+	/*
+	_kinds3 = _bags select 0;
+	_ammmounts3 = _bags select 1;
+	{
+		_counter = 0 ;
+		while{	_counter < ( 	_ammmounts3 select _forEachIndex)}do{
+			_normalBags set [count(_normalBags),_x];
+			_counter = _counter + 1;
+		};
+	}forEach _kinds3;
+	*/
 
-	[_normalWeaps,_normalMags, typeOf _vehicle] call Z_checkArrayInConfig;
+	[_normalWeaps,_normalMags, typeOf _vehicle,_normalBags] call Z_checkArrayInConfig;
 }else{
 	_ctrltext = localize "STR_EPOCH_PLAYER_245";
 	ctrlSetText [Z_AT_TRADERLINE2, _ctrltext];

SQF/dayz_code/actions/AdvancedTrading/functions/z_at_sellItems.sqf

@@ -1,4 +1,4 @@
-private ["_index","_tempArray","_outcome","_vehCheckArray","_vehArray","_weaponsArray","_itemsArray","_bpArray","_bpCheckArray","_weaponsCheckArray","_itemsCheckArray","_VehKey","_wA","_mA","_money","_itemData","_success"];
+private ["_index","_tempArray","_outcome","_vehCheckArray","_vehArray","_weaponsArray","_itemsArray","_bpArray","_bpCheckArray","_weaponsCheckArray","_itemsCheckArray","_VehKey","_wA","_mA","_money","_itemData","_success","_bag"];
 
 _index = count (Z_SellArray) - 1;
 _tempArray = Z_SellArray;
@@ -140,24 +140,33 @@ if(_index > -1)then{
 		_wA = [];
 		_mA = [];
 		_vehTraded = false;
+		_bagTraded = false;
 
 		{
 			if ((_x select 1) in ["trade_any_vehicle", "trade_any_vehicle_free", "trade_any_vehicle_old", "trade_any_bicycle", "trade_any_bicycle_old", "trade_any_boat", "trade_any_boat_old"]) then {
 				_localResult = [_vehArray, (_x select 1)] call _deleteTradedVehicle;
 				if (_localResult == 1) then {_vehTraded = true;};
 			} else {
-				_localResult = [player,(_x select 0),1] call BIS_fnc_invRemove;
+				if (_x select 1 == "trade_backpacks") then {
-				if(_localResult != 1)then{
+					//BIS_fnc_invRemove doesn't handle backpacks
-					if(_x select 1 == "trade_items")then{
+					_bag = unitBackpack player;
-						_mA set [count(_mA),0];
+					removeBackpack player;
+					_localResult = if (_bag != (unitBackpack player)) then {1} else {0};
+					if (_localResult == 1) then {_bagTraded = true;};
+				} else {
+					_localResult = [player,(_x select 0),1] call BIS_fnc_invRemove;
+					if(_localResult != 1)then{
+						if(_x select 1 == "trade_items")then{
+							_mA set [count(_mA),0];
+						}else{
+							_wA set [count(_wA),0];
+						};
 					}else{
-						_wA set [count(_wA),0];
+						if(_x select 1 == "trade_items")then{
-					};
+							_mA set [count(_mA),1];
-				}else{
+						}else{
-					if(_x select 1 == "trade_items")then{
+							_wA set [count(_wA),1];
-						_mA set [count(_mA),1];
+						};
-					}else{
-						_wA set [count(_wA),1];
 					};
 				};
 			};
@@ -170,6 +179,9 @@ if(_index > -1)then{
 		if (_vehTraded) then {
 			_outcome set [3,[1]];
 		};
+		if (_bagTraded) then {
+			_outcome set [2,[1]];
+		};
 	};
 
 	_money = 0;