CLASS auc net/minecraft/world/region/RegionFileManager FIELD a openRegionFiles Ljava/util/Map; METHOD a closeAll ()V METHOD a open (Ljava/io/File;II)Laub; ARG 0 worldDir ARG 1 x ARG 2 y METHOD c readChunkData (Ljava/io/File;II)Ljava/io/DataInputStream; ARG 0 worldDir ARG 1 x ARG 2 y METHOD d writeChunkData (Ljava/io/File;II)Ljava/io/DataOutputStream; ARG 0 worldDir ARG 1 x ARG 2 y