CLASS cfh net/minecraft/world/gen/chunk/FlatChunkGeneratorLayer FIELD a blockState Lbvf; FIELD b thickness I FIELD c startY I METHOD (ILbmh;)V ARG 1 thickness ARG 2 block METHOD a getThickness ()I METHOD a setStartY (I)V ARG 1 startY METHOD b getBlockState ()Lbvf; METHOD c getStartY ()I