package net.minecraft.server; public class BlockRegister { private static byte[] a = new byte[256]; public BlockRegister() { } public static void a(byte[] abyte) { for (int i = 0; i < abyte.length; ++i) { abyte[i] = a[abyte[i] & 255]; } } static { try { for (int i = 0; i < 256; ++i) { byte b0 = (byte) i; if (b0 != 0 && Block.byId[b0 & 255] == null) { b0 = 0; } a[i] = b0; } } catch (Exception exception) { exception.printStackTrace(); } } }