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Question by PiterQ70 · Feb 22, 2017 at 05:55 PM · scripting problem

Remove item from List dont work

Hello I have problem with delete item from list. Adding work but Remove no:

 public List<Lista> equippedItemsIDListLocal = new List<Lista>();
     
     [Serializable]
     public class Lista
     {
         public int playerID;
         public int itemIDD;
 
         public Lista(int newPlayerID ,int newItemID)
         {
             playerID = newPlayerID;
             itemIDD = newItemID;
         }
 
     }


And I have Add and Remove with this lines:

 equippedItemsIDListLocal.Add(new Lista(iID, itemID));
 
 equippedItemsIDListLocal.Remove(new Lista(iID, itemID));
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Answer by gameplay4all · Feb 22, 2017 at 07:24 PM

Since Lista is a class, it is stored by reference in lists. But when you use the new keyword you create a new instance of that class, so it has its own place in memory and thus has a unique reference. What you want to do is to iterate/loop trough the list and look for the item which has the correct playerID & itemIDD. Once you found the item use RemoveAt to remove the item (you need its index).

Hope this helps!

-Gameplay4all

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avatar image gameplay4all · Feb 22, 2017 at 07:25 PM 0
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And Removeremoves by checking if the references are the same. And therefore doesn't find your 'new' Lista instance.

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