CLASS cff net/minecraft/world/chunk/light/ChunkBlockLightProvider FIELD d DIRECTIONS_BLOCKLIGHT [Ley; FIELD e mutablePos Let$a; METHOD (Lbsk;)V ARG 1 chunkProvider METHOD a processLevelAt (JIZ)V ARG 1 index ARG 3 level METHOD a getMergedLevel (JJI)I ARG 1 position ARG 3 source ARG 5 newLevel METHOD b getLightSourceLuminance (J)I ARG 1 blockPos METHOD b getBaseLevelFor (JJI)I ARG 1 source ARG 3 position ARG 5 previousLevel