Pointcloud not loading further levels of detail in 2.1.1

[afr-git]

I have successfully been using 2.1 for some time with this workflow, but I recently converted an LAS export from RealityCapture using PotreeConverter 2.1.1 and experienced issues with viewing the result in the browser.

The problem appears to be that it loads the initial 'level of detail' but then fails to load any further data when zooming in, moving around etc. It's almost as though 'Lock view' is enabled, but the interface shows this isn't. I've enabled the 'Box' view to check this, which shows that additional boxes are loading in when I use 2.1.1. Again, using 2.1 for the same LAS file on the same setup works absolutely fine as expected.

[xwipeoutx]

I'm seeing the same thing, but only on the Windows binary. We built from the 2.1.1 tag ourselves and that one is working fine in docker, but the windows executable has issues loading depth.

I've attached a point cloud that exhibits this behaviour: lounge.zip

A few things I noticed

• The console emits a bunch of warnings like: loaded node with 0 bytes: r251
• For a failing node, in OctreeLoader.js, I'm seeing the childMask is set to 1 for the appropate child - but given it's 0 bytes long, perhaps this mask is wrong? Is there an endian issue or something?
• While octree.bin is the same size for both windows and linux, hierarchy.bin is ~10% different in size

Unfortunately I'm a little out of my depth at this point