How to show level previews?

Development World Creation
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There are a lot of ways to achieve this. The easier one I can think of is:

  1. Creating a Structure with all the data you want to store (Right Clickon the Content Browser > Blueprints > Structure).
  2. Create a blueprint with a variable that is of that Structure Type and make it an array (Inside the blueprint > Add variable > Set the class/type to the structure you created > click on the little grid beside your variable in the menu).
  3. In the defaults of said blueprint add members to the array with the data you want to store about each map.
  4. In your level selection menu get the default of the after mentioned blueprint (get the array of structs). Build your menu around the data contained in each of thelements of the array.

Hope it helps. Cheers.