CLASS bxr net/minecraft/world/storage/RegionFile CLASS bxr$a ChunkBuffer FIELD b pos Lbgn; FIELD a EMPTY_SECTOR [B FIELD b file Ljava/io/RandomAccessFile; FIELD c offsets [I FIELD d chunkTimestamps [I FIELD e sectorFree Ljava/util/List; METHOD a write (I[BI)V ARG 1 sectorNumber ARG 2 data METHOD a getChunkDataInputStream (Lbgn;)Ljava/io/DataInputStream; ARG 1 pos METHOD a setOffset (Lbgn;I)V METHOD a write (Lbgn;[BI)V METHOD b isChunkPresent (Lbgn;)Z ARG 1 pos METHOD b setTimestamp (Lbgn;I)V METHOD c getChunkDataOutputStream (Lbgn;)Ljava/io/DataOutputStream; METHOD d hasChunk (Lbgn;)Z ARG 1 pos METHOD e getOffset (Lbgn;)I ARG 1 pos METHOD f getPackedRegionRelativePosition (Lbgn;)I ARG 1 pos