Allow disabling of buying or selling

Set price of the item to -1 in the Cfg traders files to disallow buying
or selling

CHANGE LOG 1.0.6.txt

@@ -46,6 +46,7 @@
 [NEW] Added new BRDM2, AN2, HMMWV, Mi17 and Cessna _DZ classes with radar disabled. #1746 @AirWavesMan
 [NEW] Added SCAR Mk16 and Mk17 variants, L86 and AA12 to loot tables and traders. #1743 @AirWavesMan
 [NEW] Players can now manually push stuck planes backwards to free them. @ebaydayz
+[NEW] You may set the buying or selling price of any item to -1 to disallow the respective trading action, only with config traders and advanced trading @icomrade
 
 [CHANGED] Combattimeout now uses diag_tickTime instead of time.
 [CHANGED] AmmoBoxSmall_556/762 is replaced with DZ_AmmoBoxUS/RU/EU/CZ and MedBox0 is replaced with DZ_MedBox (new model)

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

@@ -29,6 +29,8 @@ _counter = 0;
 				_sellCurrency = "";
 				_worth = 0;
 				_ignore = false;
+				_BcurrencyQty = _buy select 0;
+				_ScurrencyQty = _sell select 0;
 				if (dayz_classicBloodBagSystem && _y in dayz_typedBags) then {
 					if (_y == "bloodBagONEG") then {_y = "ItemBloodbag";} else {_ignore = true;};
 				};
@@ -58,9 +60,10 @@ _counter = 0;
 					_buyCurrency = CurrencyName;
 					_sellCurrency = CurrencyName;
 				};
-				
+				if (_BcurrencyQty < 0) then {_buyCurrency = "Unavailable"; _ignore = true;};
+				if (_ScurrencyQty < 0) then {_sellCurrency = "Unavailable";};
 				if (!_ignore) then { // Fill buyable list for one category only
-					Z_BuyableArray set [count Z_BuyableArray, [_y,_type,_buy select 0,_text,_pic,_forEachIndex,_sell select 0, _buyCurrency, _sellCurrency, 0,_cat, _worth]];
+					Z_BuyableArray set [count Z_BuyableArray, [_y,_type,_BcurrencyQty,_text,_pic,_forEachIndex, _ScurrencyQty, _buyCurrency, _sellCurrency, 0,_cat, _worth]];
 				};
 			};
 		};

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

@@ -92,7 +92,7 @@ _totalPrice = 0;
 			if (!_HasKey) exitWith {};
 
 			_worth = 0;
-
+			_currencyQty = _buy select 0;
 			if (!Z_SingleCurrency) then {
 				_buyCurrency = 	_buy select 1;
 				_sellCurrency = _sell select 1;
@@ -103,8 +103,10 @@ _totalPrice = 0;
 				_buyCurrency = CurrencyName;
 				_sellCurrency = CurrencyName;
 			};
-
+			if (_currencyQty < 0) then {_buyCurrency = "Unavailable";};
-			Z_SellableArray set [count(Z_SellableArray) , [_y, _type, _sell select 0, _text, _pic, _forEachIndex, _buy select 0, _sellCurrency, _buyCurrency, 0 ,_cat, _worth]];
+			if ((_sell select 0) >= 0) then {
+				Z_SellableArray set [count(Z_SellableArray) , [_y, _type, _sell select 0, _text, _pic, _forEachIndex, _currencyQty, _sellCurrency, _buyCurrency, 0 ,_cat, _worth]];
+			};
 			_totalPrice = _totalPrice + (_sell select 0);
 		};
 	} forEach _arrayOfTraderCat;

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

@@ -45,8 +45,8 @@ if (Z_SingleCurrency) then {
 		_display,
 		_class,
 		CurrencyName,
-		[_sellPrice] call BIS_fnc_numberText,
+		if (_sellPrice >= 0) then {[_sellPrice] call BIS_fnc_numberText;} else {"";},
-		[_buyPrice] call BIS_fnc_numberText,
+		if (_buyPrice >= 0) then {[_buyPrice] call BIS_fnc_numberText;} else {"";},
 		CurrencyName,
 		_transportMaxWeapons,
 		_transportMaxMagazines,
@@ -58,10 +58,16 @@ if (Z_SingleCurrency) then {
 		localize "STR_EPOCH_MAGS"
 	];
 } else {
-	_picSell = getText (configFile >> 'CfgMagazines' >> _sellCurrency >> 'picture');
+	_picSell = "";
-	_sellCurrency = getText (configFile >> 'CfgMagazines' >> _sellCurrency >> 'displayName');
+	if (_sellPrice >= 0) then {
-	_picBuy = getText (configFile >> 'CfgMagazines' >> _buyCurrency >> 'picture');
+		_picSell = getText (configFile >> 'CfgMagazines' >> _sellCurrency >> 'picture');
-	_buyCurrency = getText (configFile >> 'CfgMagazines' >> _buyCurrency >> 'displayName');
+		_sellCurrency = getText (configFile >> 'CfgMagazines' >> _sellCurrency >> 'displayName');
+	};
+	_picBuy = "";
+	if (_buyPrice >= 0) then {
+		_picBuy = getText (configFile >> 'CfgMagazines' >> _buyCurrency >> 'picture');
+		_buyCurrency = getText (configFile >> 'CfgMagazines' >> _buyCurrency >> 'displayName');
+	};
 	
 	_formattedText = format [
 		"<img image='%1'  size='3'  align='center'/><br />" +
@@ -75,8 +81,8 @@ if (Z_SingleCurrency) then {
 		_display,
 		_class,
 		_buyCurrency,
-		_sellPrice,
+		if (_sellPrice >= 0) then {_sellPrice} else {"";},
-		_buyPrice,
+		if (_buyPrice >= 0) then {_buyPrice} else {"";},
 		_sellCurrency,
 		_transportMaxWeapons,
 		_transportMaxMagazines,

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

@@ -61,8 +61,8 @@ if (Z_SingleCurrency) then {
 		_display,
 		_class,
 		'lazy',
-		[_sellPrice] call BIS_fnc_numberText,
+		if (_sellPrice >= 0) then {[_sellPrice] call BIS_fnc_numberText;} else {"";},
-		[_buyPrice] call BIS_fnc_numberText,
+		if (_buyPrice >= 0) then {[_buyPrice] call BIS_fnc_numberText;} else {"";},
 		CurrencyName,
 		localize "STR_EPOCH_NAME",
 		localize "STR_EPOCH_CLASS",
@@ -70,10 +70,16 @@ if (Z_SingleCurrency) then {
 		localize "STR_EPOCH_PLAYER_291"
 	];
 } else {
-	_picSell = getText (configFile >> 'CfgMagazines' >> _sellCurrency >> 'picture');
+	_picSell = "";
-	_sellCurrency = getText (configFile >> 'CfgMagazines' >> _sellCurrency >> 'displayName');
+	if (_sellPrice >= 0) then {
-	_picBuy = getText (configFile >> 'CfgMagazines' >> _buyCurrency >> 'picture');
+		_picSell = getText (configFile >> 'CfgMagazines' >> _sellCurrency >> 'picture');
-	_buyCurrency = getText (configFile >> 'CfgMagazines' >> _buyCurrency >> 'displayName');
+		_sellCurrency = getText (configFile >> 'CfgMagazines' >> _sellCurrency >> 'displayName');
+	};
+	_picBuy = "";
+	if (_buyPrice >= 0) then {
+		_picBuy = getText (configFile >> 'CfgMagazines' >> _buyCurrency >> 'picture');
+		_buyCurrency = getText (configFile >> 'CfgMagazines' >> _buyCurrency >> 'displayName');
+	};
 	_formattedText = format [
 		"<img image='%1'  size='3' align='center'/><br />" +
 		"<t color='#33BFFF' size='0.7'>%11: </t><t color='#ffffff' size='0.7'>%2</t><br />" +
@@ -84,8 +90,8 @@ if (Z_SingleCurrency) then {
 		_display,
 		_class,
 		'lazy',
-		_sellPrice,
+		if (_sellPrice >= 0) then {_sellPrice} else {"";},
-		_buyPrice,
+		if (_buyPrice >= 0) then {_buyPrice} else {"";},
 		_sellCurrency,
 		_picSell,
 		_buyCurrency,

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

@@ -129,8 +129,8 @@ if (Z_SingleCurrency) then {
 		_display,
 		_class,
 		_transportmaxBackpacks,
-		[_sellPrice] call BIS_fnc_numberText,
+		if (_sellPrice >= 0) then {[_sellPrice] call BIS_fnc_numberText;} else {"";},
-		[_buyPrice] call BIS_fnc_numberText,
+		if (_buyPrice >= 0) then {[_buyPrice] call BIS_fnc_numberText;} else {"";},
 		CurrencyName,
 		_transportMaxWeapons,
 		_transportMaxMagazines,
@@ -155,10 +155,16 @@ if (Z_SingleCurrency) then {
 		"\z\addons\dayz_code\gui\gear\gear_ui_slots_backpacks_white.paa"
 	];
 } else {
-	_picSell = getText (configFile >> 'CfgMagazines' >> _sellCurrency >> 'picture');
+	_picSell = "";
-	_sellCurrency = getText (configFile >> 'CfgMagazines' >> _sellCurrency >> 'displayName');
+	if (_sellPrice >= 0) then {
-	_picBuy = getText (configFile >> 'CfgMagazines' >> _buyCurrency >> 'picture');
+		_picSell = getText (configFile >> 'CfgMagazines' >> _sellCurrency >> 'picture');
-	_buyCurrency = getText (configFile >> 'CfgMagazines' >> _buyCurrency >> 'displayName');
+		_sellCurrency = getText (configFile >> 'CfgMagazines' >> _sellCurrency >> 'displayName');
+	};
+	_picBuy = "";
+	if (_buyPrice >= 0) then {
+		_picBuy = getText (configFile >> 'CfgMagazines' >> _buyCurrency >> 'picture');
+		_buyCurrency = getText (configFile >> 'CfgMagazines' >> _buyCurrency >> 'displayName');
+	};
 
 	_formattedText = format [
 		"<img image='%1' size='3' /><br />" +
@@ -174,8 +180,8 @@ if (Z_SingleCurrency) then {
 		_display,
 		_class,
 		_transportmaxBackpacks,
-		_sellPrice,
+		if (_sellPrice >= 0) then {_sellPrice} else {"";},
-		_buyPrice,
+		if (_buyPrice >= 0) then {_buyPrice} else {"";},
 		_buyCurrency,
 		_transportMaxWeapons,
 		_transportMaxMagazines,

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

@@ -72,8 +72,8 @@ if (Z_SingleCurrency) then {
 		_display,
 		_class,
 		_magText,
-		[_sellPrice] call BIS_fnc_numberText,
+		if (_sellPrice >= 0) then {[_sellPrice] call BIS_fnc_numberText;} else {"";},
-		[_buyPrice] call BIS_fnc_numberText,
+		if (_buyPrice >= 0) then {[_buyPrice] call BIS_fnc_numberText;} else {"";},
 		CurrencyName,
 		localize "STR_EPOCH_NAME",
 		localize "STR_EPOCH_CLASS",
@@ -81,11 +81,16 @@ if (Z_SingleCurrency) then {
 		localize "STR_EPOCH_PLAYER_291"
 	];
 } else {
-	_picSell = getText (configFile >> 'CfgMagazines' >> _sellCurrency >> 'picture');
+	_picSell = "";
-	_sellCurrency = getText (configFile >> 'CfgMagazines' >> _sellCurrency >> 'displayName');
+	if (_sellPrice >= 0) then {
-	_picBuy = getText (configFile >> 'CfgMagazines' >> _buyCurrency >> 'picture');
+		_picSell = getText (configFile >> 'CfgMagazines' >> _sellCurrency >> 'picture');
-	_buyCurrency = getText (configFile >> 'CfgMagazines' >> _buyCurrency >> 'displayName');
+		_sellCurrency = getText (configFile >> 'CfgMagazines' >> _sellCurrency >> 'displayName');
-
+	};
+	_picBuy = "";
+	if (_buyPrice >= 0) then {
+		_picBuy = getText (configFile >> 'CfgMagazines' >> _buyCurrency >> 'picture');
+		_buyCurrency = getText (configFile >> 'CfgMagazines' >> _buyCurrency >> 'displayName');
+	};
 	_formattedText = format [
 		"<img image='%1' size='3'  align='center' /><br />" +
 		"<t color='#33BFFF' size='0.7'>%11: </t><t color='#ffffff' size='0.7'>%2</t><br />" +
@@ -96,8 +101,8 @@ if (Z_SingleCurrency) then {
 		_display,
 		_class,
 		_magText,
-		_sellPrice,
+		if (_sellPrice >= 0) then {_sellPrice} else {"";},
-		_buyPrice,
+		if (_buyPrice >= 0) then {_buyPrice} else {"";},
 		_sellCurrency,
 		_buyCurrency,
 		_picSell,

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

@@ -33,5 +33,9 @@ _count = 0;
 	
 	if (_count > 0) then {
 		lbSetColor [Z_AT_BUYABLELIST, _index, [0, 1, 0, 1]];
+	} else {
+		if ((_x select 6) < 0) then { //color items only allowed to either be sold or purchased
+			lbSetColor [Z_AT_BUYABLELIST, _index, [0, 0.57, 1, 1]];
+		};
 	};
 } count Z_BuyableArray;

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

@@ -9,4 +9,7 @@ private "_index";
 {
 	_index = lbAdd [Z_AT_SELLABLELIST,  _x select 3];
 	lbSetPicture [Z_AT_SELLABLELIST, _index, _x select 4 ];
+	if ((_x select 6) < 0) then { //color items only allowed to either be sold or purchased
+		lbSetColor [Z_AT_SELLABLELIST, _index, [0, 0.57, 1, 1]];
+	};
 } count Z_SellableArray;

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

@@ -11,7 +11,7 @@ if (count _this > 0) then {
 	_query = _this select 0;  // the search string.
 	if (Z_Selling) then {
 		if (count Z_SellArray > 0) exitWith {}; //Do not filter if items already in selling list (dupes)
-		if (isNil '_query' || _query == "") then {
+		if (isNil '_query' || {_query == ""}) then {
 			_newSellArray = [];
 			{
 			  if (_x find Z_SellArray < 0) then {
@@ -37,7 +37,7 @@ if (count _this > 0) then {
 			call Z_fillSellList;
 		};				
 	} else {
-		if (isNil '_query' || _query == "") then {
+		if (isNil '_query' || {_query == ""}) then {
 			Z_BuyableArray = [] + Z_OriginalBuyableArray;
 			call Z_clearBuyList;
 			call Z_fillBuyableList;

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

@@ -3,11 +3,15 @@ private ["_amount","_index","_index2","_temp"];
 
 _index = _this select 0;
 _amount = parseNumber(_this select 1);
-if (!isNil"_index" && _index > -1 && (typeName _amount == "SCALAR") && _amount > 0) then {
+if (!isNil"_index" && _index > -1 && (typeName _amount == "SCALAR")) then {
 	_temp = [] + (Z_BuyableArray select _index);
 	_temp set [9,(ceil _amount)];
 	Z_BuyingArray set [count(Z_BuyingArray),_temp];
-	_index2 = lbAdd [Z_AT_BUYINGLIST, format["%1x: %2",_temp select 9,_temp select 3]];
+	if (_amount > 0) then {
+		_index2 = lbAdd [Z_AT_BUYINGLIST, format["%1x: %2",_temp select 9,_temp select 3]];
+	} else {
+		_index2 = lbAdd [Z_AT_BUYINGLIST, "This trader does not sell this item"];
+	};
 	lbSetPicture [Z_AT_BUYINGLIST, _index2, _temp select 4];
 	call Z_calcPrice;
 };