CLASS bmi net/minecraft/block/RailPlacementHelper FIELD a world Lbdf; FIELD b pos Les; FIELD c block Lbia; FIELD d state Lbre; FIELD e allowCurves Z FIELD f neighbors Ljava/util/List; METHOD a getNeighbors ()Ljava/util/List; METHOD a computeNeighbors (Lbsi;)V ARG 1 shape METHOD a updateBlockState (ZZ)Lbmi; ARG 1 powered ARG 2 forceUpdate METHOD c getBlockState ()Lbre;