I saw this to be used for materials in entities but
emissive seems to not work for blocks. are there other codes for blocks?
or is it more complex for blocks?
entity_alphatest // supports transparent pixels
entity_alphablend // supports translucent pixeks
entity_emissive // solid, alpha channel is used as the emissive channel
entity_emissive_alpha // alpha channel is used for emissiveness, completely black + transparent pixels are rendered transparently```