Advanced trading by Zupa @Windmolders

Stock configuration and basic integration. WE still need config based
trader setups.

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

@@ -0,0 +1,53 @@
+/**
+*	call Z_getBackpackItems
+*
+*	Gets all your items stored in your backpack and innitiates the selling list.
+**/
+#include "defines.sqf";
+private ["_backpack","_pic","_formattedText","_mags","_weaps","_normalMags","_normalWeaps","_kinds","_kinds2","_ammmounts","_ammmounts2","_ctrltext"];
+call Z_clearLists;
+Z_SellableArray = [];
+Z_SellArray = [];
+_backpack = unitBackpack player;
+if (!isNull _backpack) then {
+	_pic = getText (configFile >> 'CfgVehicles' >> (typeOf _backpack) >> 'picture');
+
+	_formattedText = format [
+		"<img image='%1'  size='3' align='center'/>"
+		, _pic
+	];
+
+	(findDisplay Z_AT_DIALOGWINDOW displayCtrl Z_AT_CONTAINERINFO) ctrlSetStructuredText parseText _formattedText;
+
+	_mags = getMagazineCargo _backpack;
+	_weaps = getWeaponCargo _backpack;
+	_normalMags = [];
+	_normalWeaps = [];
+	_kinds = _mags select 0;
+	_ammmounts = _mags select 1;
+	{
+		_counter = 0 ;
+		while{	_counter < ( 	_ammmounts select _forEachIndex)}do{
+		_normalMags set [count(_normalMags),_x];
+		_counter = _counter + 1;
+		};
+	}forEach _kinds;
+
+	_kinds2 = _weaps select 0;
+	_ammmounts2 = _weaps select 1;
+	{
+		_counter = 0 ;
+		while{	_counter < ( 	_ammmounts2 select _forEachIndex)}do{
+		_normalWeaps set [count(_normalWeaps),_x];
+		_counter = _counter + 1;
+		};
+	}forEach _kinds2;
+
+	[_normalMags,_normalWeaps, typeOf _backpack] call Z_checkArrayInConfig;
+}else{
+	_ctrltext = format["I'm not stupid."];
+	ctrlSetText [Z_AT_TRADERLINE2, _ctrltext];
+
+	_ctrltext = format["You are not wearing a backpack."];
+	ctrlSetText [Z_AT_TRADERLINE1, _ctrltext];
+};