CLASS bwk net/minecraft/world/level/storage/AlphaChunkIo CLASS bwk$a AlphaChunk FIELD a lastUpdate J FIELD b terrainPopulated Z FIELD c heightMap [B FIELD d blockLight Lbwa; FIELD e skyLight Lbwa; FIELD f data Lbwa; FIELD g blocks [B FIELD h entities Lih; FIELD i blockEntities Lih; FIELD j blockTicks Lih; FIELD k x I FIELD l z I METHOD (II)V ARG 1 x ARG 2 z METHOD a convertAlphaChunk (Lbwk$a;Lia;Lbgw;)V ARG 0 alphaChunk ARG 1 tag ARG 2 biomeSource METHOD a readAlphaChunk (Lia;)Lbwk$a; ARG 0 tag