If you use Optifine's internal shaders, you might like this pack! It makes face lighting on blocks go away when lit by torchlight, making for a much more realistic effect. Rather than always having the same face shading, this pack makes it based on the actual light in the world, which should help the game feel a tad more realistic, or at the very least, more vibrant. A lot of polishing work was done by Cappin!
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