Stream level troubles

Development World Creation
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1

I have few troubles with streaming levels:

  1. if to add particles to the level - the size of the level will be changed to point 0
  2. if I add something to the level that is not a “foliage” or a “Static mesh” - its size changes and becomes ~50x50km
  3. Sometimes, at a save level, it changes it’s location, and flies away to 200-300km.
  4. When I saved the level, the whole “foliage” disappeared. The amount of grass and trees is in the foliage tab, but it is not in the level.
  5. If to add a Nav mesh to the level, its size will again change to point 0. However, the Nav mesh will not be generated.

All levels are used locked, all items are added to the persistent level.
I would be very grateful for any advice.

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2

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So, i found if i launch level 2-3 (huge on a picture) and level 00 (first created) my landscape proxy of lvl 2-3 fly away with all foliage. Any static meshes and actors are not flying away.

Also i notice before loading lvl 2-3 it’s location -9.792.000, 6.528.000. instead of default -612.000, 408.000. So, this way proxy already setuped to fly away before loading. Any trying to change locations are failing when i push save button

it’s a result

3

i found if to delete landscapeProxy - problem solved. But also it delete foliage, heights, tiling and few weeks of work.

If to delete all from level (meshes, actors) - level fly away.

If to add more one level next to level with bad location - new level will be with normal coordinates

If to add some volume (NavMesh box) it will use default level location, not bugged aka -9.000.000 etc.

And after 18 hours of trying there is no result :frowning:

4

So, looks like this level with some magical way lost center of map, and now it dont know it’s own coordinates. If to try to change it - level will change it’s “Extent” value, and will become huge as hell. Also it’s dependency of parent landscape broken. Really don’t know how to fix it. only to generate static lod and hide all this . . . .