I will preface by saying I do not expect this to be fixed in the short term, I am merely documenting it as a recognized lack of parity with the game engine's rendering.

BlueMap Version:
1.3.0-forge-1.16.2

I am using:

• mods (on the rendered world)
• resourcepacks (in bluemaps config/resourcepack folder)

Description:
There is an absence of light occlusion for blocks that would otherwise "cast a shadow" on terrain below, as can be seen in the below two comparison screenshots of a forested environment (using models from Better End).

Can you please specify what you exactly think is missing?

BlueMap already uses and displays light-data that is calculated and saved by minecraft:

That is for sunlight and block-light, and i believe minecraft is not adding much to that.

Note that your example images are from an end-dimension, which usually has no sunlight. Also it has an ambientLight: 0.6 setting by default in bluemap: Ambient-Light greatly lightens up shadows, which might contribute to the difference you are seeing in your comparison. (Next to missing smooth-lighting and the "emissive textures" you described in #152)

I'll close that for now. Feel free to reopen it when you can provide the requested information (see my comment above) :)