Update on dark chunks

[Tophie]

After testing with the Integrated Dynamic/Radon dark chunks issue in All the Mods 8 (in which any vertical chunk containing an Integrated Dynamics system would be rendered completely dark) I've found two things:

1. Removing the Integrated Dynamics system resolved the issue; unless
2. Any mod which affects light levels (such as Torchmaster) will foster the lighting bug, thus keeping chunks dark upon each chunk/server reload; and
3. Removing Radon from the server itself will resolve any and all issues on the server itself (including issue 2); however,
4. All local worlds are still affected

So it seems, via my testing, that Radon is absolutely the culprit for these dark chunk issues in AtM8.

[Mitchell5200]

Yes, and we are removing radon in favor of starlight, in 1.0.20

[TheAdamizer]

I ended up here trying to figure out how to keep Radon and use Integrated dynamics without ruining the lighting in my atm8 instance. I wanted to leave a couple notes;

1. In a test world, I was playing around with ID's configuration and set up a few of the static light panels (with radon loaded). I was experiencing the 'dimming' bug as explained above, unsurprisingly. After closing atm8 and restarting with starlight instead of radon, I have an insurmountable server crash from unloadable chunks that looks like it's being caused by the invisible light blocks the static light panels use... I'm guessing this is related to Tophie's point number 2 above of the bug persisting. Users who have experienced this bug may want to remove these (and possibly other?) light emitting blocks/tiles from their world before taking an upgrade which switches Radon for Starlight.

2. In a fresh world, with Starlight installed from the start, I can place a new ID network and I don't experience this bug anymore after reloading (yay!) HOWEVER if I place a static light panel on that network and then remove it, I experience a bug where the spawn zone (or whatever you call the overlay made visible by pressing f7) doesn't seem to recede properly as expected. It looks like the invisible light block is still there and the light level remains the same as it was with the light panel.
   This is obviously much more preferable to the bug with Radon, but I would say something funky is still happening in ID and it's likely related to either/both of the Invisible block and the dynamic shaping of the cables... see this comment on the ID bug Tophie opened for more info about my findings with dynamic shaping: Dark chunk when world is saved (caused by Radon) CyclopsMC/IntegratedDynamics#1254