The lighting calculation is incorrect.

[hyj1230]

petal_20250211_155848.mp4

[obiwac]

yeah there are a few complications regarding chunk boundaries I think. I don't know how much of this can easily be fixed without performance implications.

@Jukitsu

[hyj1230]

I think you can refer to Starlight.
https://github.com/PaperMC/Starlight/blob/fabric/src/main/java/ca/spottedleaf/starlight/common/light/StarLightEngine.java

[hyj1230]

If the focus is on accuracy rather than speed, how should the lighting calculations be implemented?