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Custom global/dynamic spawn class c++ design questions

My current structure of the game is base classes all in c++ with blueprints created from the base classes. So perhaps a single c++ base class and 50 blueprint actors based off that.

But what I want to do is a dynamic spawn system, so no actors will exist start of the game except for the player himself. So on map load, only a single pawn is loaded (player), and then dynamically all actors are spawned based off whatever parameters I decided upon.

But what would you guys recommend on the design choice. A custom spawn class that I can reference via the player controller or game instance or the pawn himself?

For example things id like to be able to do

  1. spawn in actor (by blueprint name?) directly in front of my currently controlled pawn with a keypress.
  2. spawn in a random actor from all possible actors that exist (should I use LoadBlueprintsFromPaths() ???) How do I get all available actors in my game that my custom spawn class can use
  3. spawn in a random actor or passed in blueprint name from a blueprint widget (game menu)
  4. spawn in random or passed in blueprint name actors on level load.

So I’m curious how you guys would go about this.