A light level of “1” is not rendered with NeoForge's experimental pipeline.

[Lolothepro]

Minecraft Version: 1.20.1/1.21

NeoForge Version: For example : NeoForge 21.0.0-alpha.rc-1, but also affects Minecraft 1.20.1

Steps to Reproduce:

1. Set experimentalForgeLightPipelineEnabled to true
2. Go into a cave
3. Use the "/give Lolothepro29 light" command
4. Place the light in a dark area
5. Right-click to set light to 0
6. Take a screenshot
7. Right-click to set light to 1
8. Take a screenshot
9. Compare the light level, and note that there is no change

Description of issue: A light level of “1” is not rendered with NeoForge's experimental pipeline.

Screenshot:

0:

1:

With Sodium:

0:

1: With Sodium:

[XFactHD]

Sodium is not a valid point of comparison. Please provide a comparison with vanilla.

[Lolothepro]

Sodium is not a valid point of comparison. Please provide a comparison with vanilla.

But with Minecraft Vanilla, light propagation doesn't work correctly (MC-197497)

[Lolothepro]

for example:

[TelepathicGrunt]

That’s fine. We still want to match vanilla or be as close as we reasonably can to vanilla. We are not going to match another mod’s behavior because modloaders aren’t designed around a single specific mod.

[Lolothepro]

Affects NeoForge 1.21.3