[Navigation] [Editor] Cannot bake/clear navigation maps with the editor, if a second node is selected

[MJacred]

Tested versions

Reproducible in

• Godot v4.4.stable
• Godot v4.3 custom

System information

Ubuntu 20.04.6 LTS (Focal Fossa) on X11 - X11 display driver, Multi-window, 1 monitor - Vulkan (Forward+) - dedicated NVIDIA GeForce GTX 970 (nvidia; 535.183.01) - Intel(R) Core(TM) i7-10700KF CPU @ 3.80GHz (16 threads)

Issue description

Goal: re-baking multiple NavigationRegion3D nodes.

Problem:
Cannot bake maps with the editor, if a second node is selected. This behaviour is inconsistent with e.g. MeshInstance3D:
When I create e.g. collision objects for all selected MeshInstance3D nodes using the "Mesh" menu, then all valid selections get them.
Note: The "Mesh" menu options is also visible if you select a Node3D node, for example, i.e. the type of other nodes does not matter.

Steps to reproduce

select.mp4

Minimal reproduction project (MRP)

-/-

[smix8]

Most nodes that are even slightly more complex do not support multi node edit because it requires a full custom implementation for anything that is not just a property flip. In fact only MeshInstance3D and TileMap have an implementation.

So this would require a feature proposal as there are many caveats and problems that come with multi node edit, hence why so few complex nodes bother to support it.

[MJacred]

In that case, this issue can be closed

[smix8]

I think we could add a basic MultiNodeEdit so that at least the bake button is displayed while having a region among the selected nodes. It just wouldn't work with the baking should more than a single region be selected as the editor plugin and bake logic is for one region only and would need more rework. Maybe this can also be solved with less friction, depends on how problematic the threaded bake and dialog would be.

[MJacred]

Hm… that doesn't sound useful to me. But we won't know until we do it.
Side note: For MeshInstances, the button only appears if the first selection is a MeshInstance node. If it's selected later, the button doesn't show

[smix8]

So your usage plan was to select a bunch of navigation region nodes and (re)bake them all at once? Or how did you intend to use it?

I think reworking the NavigationRegion3D editor plugin to allow for multi select wouldn't be toooo much of a trouble. Without a new bake dialog it might take a while or even cause memory issues baking so many regions. Might need a new queue or be forced single threaded to avoid that. The NavigationRegion2D might be not easy because it uses a shared editor that has no support for multi node edit.

[smix8]

@MJacred I reopened because I experimented with multi node and at least for the NavigationRegion3D it was not too difficult to add. If you can please test if that is what you expected. I had to disable the threaded baking with more than 1 node involved.