Copying group of actors may be very slooooow
I have a map with 20k+ actors and when I'm trying to copy a group of actors 200+ the editor can freeze even for +20 minutes. My current engine version is 4.4.
I can easily reproduce this behavior on 4.3 shoter game HighRise map, I copied actors that whole level contains ~3300 actors and grouped 315 actors, then copy, editor freezed for ~30 seconds.
Bigger map, more actors, bigger groups = more pain and I believe the main bottlenect is within:
How long it takes to copy a large amount of actors depends on the complexity of the actors themselves and your hardware setup. The scenario you described in Shooter Game is standard behavior when copying that many actors.
As for what you are seeing in your project, 20k actors in one scene is quite a lot. You may want to consider Level Streaming, hiding groups of assets that you aren't working on, using Unlit Mode, or turning off certain process heavy features in the Perspective Viewport (Anti-aliasing, Particle Sprites, etc.).
answered Oct 13 '14 at 05:30 PM
TJ V ♦♦ STAFF
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