Unstable 0.1300.0.4

Barotrauma/BarotraumaShared/SharedSource/Items/ItemPrefab.cs

@@ -524,6 +524,11 @@ namespace Barotrauma
 
         public bool CanBeBought => (DefaultPrice != null && DefaultPrice.CanBeBought) || (locationPrices != null && locationPrices.Any(p => p.Value.CanBeBought));
 
+        /// <summary>
+        /// Can the item be chosen as extra cargo in multiplayer. If not set, the item is available if it can be bought from outposts in the campaign.
+        /// </summary>
+        public bool? AllowAsExtraCargo;
+
         /// <summary>
         /// Any item with a Price element in the definition can be sold everywhere.
         /// </summary>
@@ -719,6 +724,11 @@ namespace Barotrauma
             FabricationRecipes  = new List<FabricationRecipe>();
             DeconstructTime     = 1.0f;
 
+            if (element.Attribute("allowasextracargo") != null)
+            {
+                AllowAsExtraCargo = element.GetAttributeBool("allowasextracargo", false);
+            }
+
             Tags = new HashSet<string>(element.GetAttributeStringArray("tags", new string[0], convertToLowerInvariant: true));
             if (!Tags.Any())
             {