Fix: Forgot to set the correct item category

Author: giuinktse7

Backend/Appearance.cs

@@ -330,7 +330,11 @@ public Proto.Appearances.AppearanceFlagMarket GetOrCreateMarketFlags()
                 otbItem.MaxTextLenOnce = (ushort)flags.WriteOnce.MaxTextLengthOnce;
             }
 
-
+            if (this.HasMarket && Data.Flags.Market.HasCategory)
+            {
+                change.AddChange("itemCategory", otbItem.ItemCategory.ToString() ?? "", Data.Flags.Market.Category.ToString(), "Market.Category");
+                otbItem.ItemCategory = Data.Flags.Market.Category;
+            }
 
             if (this.HasBank && otbItem.Speed != flags.Bank.Waypoints)
             {
@@ -361,6 +365,7 @@ public Proto.Appearances.AppearanceFlagMarket GetOrCreateMarketFlags()
                 otbItem.MinimapColor = (ushort)flags.Automap.Color;
             }
 
+
             // Otb flags
             if (Data.Flags.Hook != null)
             {
@@ -445,6 +450,7 @@ private void handleFlag(ChangeEntry entry, bool value, ItemTypeFlag flag, string
         public bool HasLight { get => Data.Flags.Light != null; }
 
         public bool HasBank { get => Data.Flags.Bank != null && Data.Flags.Bank.HasWaypoints; }
+
         public bool HasMarket { get => Data.Flags.Market != null; }
         public bool HasUpgradeClassification { get => Data.Flags.Upgradeclassification?.HasUpgradeClassification ?? false; }
 

Backend/OtbData.cs

@@ -624,6 +624,7 @@ private void WriteItemTypes(OtbWriter writer, GameData gameData)
                     }
 
                     // Item category
+                    if (otbItem.HasItemCategory)
                     {
                         writer.WriteAttributeType(OtbItemAttribute.ItemCategory, 1);
                         writer.WriteU8((byte)otbItem.ItemCategory);

Backend/Tibia11/OtbItem.cs

@@ -24,7 +24,7 @@ public OtbItem()
         public string? Article { get; set; }
         public string? Description { get; set; }
 
-        public ItemCategory ItemCategory { get; set; } = ItemCategory.Others;
+        public ItemCategory? ItemCategory { get; set; }
 
         public ushort? LightLevel { get; set; }
         public ushort? LightColor { get; set; }
@@ -66,6 +66,9 @@ public OtbItem()
         [MemberNotNullWhen(returnValue: true, member: nameof(Description))]
         public bool HasDescription => Description != null;
 
+        [MemberNotNullWhen(returnValue: true, member: nameof(ItemCategory))]
+        public bool HasItemCategory => ItemCategory != null;
+
 
         [MemberNotNullWhen(returnValue: true, member: nameof(MaxTextLen))]
         public bool HasMaxTextLen => MaxTextLen != null;