CLASS bva net/minecraft/block/PistonExtensionBlock FIELD a FACING Lbwc; FIELD b TYPE Lbwf; METHOD (Lbmj$c;)V ARG 1 settings METHOD a getBlockEntityPiston (Lbgq;Lev;)Lbvd; ARG 1 world METHOD a createBlockEntityPiston (Lbvh;Lfa;ZZ)Lbtk; ARG 0 pushedBlock ARG 1 dir ARG 2 extending