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Question by Frisk17 · May 30, 2018 at 12:34 PM · scripting problemarray

How can I use a variable as length of an array?

I want to set the length of array to a variable (probably int) my imagined code(which certainly doesn't work):

 public class NPCscript : Interactable 
 {
     public int Size;
     public string[] dialougeSt = string[Size];//HEEEELPPPP!!!
 }


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avatar image Temseii · May 30, 2018 at 01:43 PM 0
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Depending on what you want to do with it, you could just make the integer static.

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Answer by Hellium · May 30, 2018 at 12:52 PM

This is not really possible. The only thing I see is to use a setter + OnValidate function

 public class NPCscript : Interactable 
 {
     [System.Serializable]
     private int size;
     public string[] dialogueSt ;
     
     public int Size
     {
         get { return size ; }
         set
         {
             size = value ;
             
             if( dialogueSt.Length != size )
                 System.Array.Resize( ref dialogueSt, size );
         }
     }
     
     void OnValidate()
     {
         Size = size ; // Calls the setter and update the array length if needed
     }
 }

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