Need some clarification about referencing classes and their content

Unity Engine
1

So I was yesterday investing trough the ScriptableObject stuff and their benefit on memory allocation and had a doubt about a pooling system I made.

Here is how I have things setted up, I have a class that only contains general information including an array of rects that are used for an uv animation system. What I do is to create those classes once at runtime if they are needed in the scene ordering them in a dictionary, then the components that needs those classes will search trough the dictionary and if the class corrispondign with the key is found then is applied.

Now what I don’t know if is by referencing those classes I’m actually duplicating them, I only need to read the content of the classes.

Example:

This is how I get the class reference, if there isn’t one corrisponding at the given id, then create it.

    static private UVRect m_uvrect;
    static private Dictionary<string, UVRect> uvrect = new Dictionary<string, UVRect>();         

    static public UVRect GetUVRectPool (string id) {
       PoolInit ();

         if(uvrect.TryGetValue(id, out m_uvrect)) {
           return m_uvrect;
         }
         else
         {
           m_uvrectl= new UVRect(id);
           uvrect.Add(id, m_uvrect);
           return m_uvrect;
         }
     }

Then this is how I call it from another component that requires it:

public UVRect rectRef;

rectRef = Pool.GetUVRectPool("id");

The thing I’m not sure is when I call it, am I actually referencing it or duplicating the class?

2

normally rects are structs, which would mean that you’re making a copy of the instance once you assign. If UVRect is a class then those are references.

3

Yeah I think didn’t explain well, the class is not derived from monobehaviour, the UVRect, that class inside have an array of Vector4 (not rects), this is the calss:

    public class UVRect {
       public string id;
       public int index;
       public Vector4[] rects;
     }

When I reference the class am I also duplicating the rects array?