class="kw">package com.hypixel.hytale.common.util;

class="kw">import javax.annotation.Nonnull;

class="kw">public class BitUtil {
   class="kw">public BitUtil() {
   }

   class="kw">public class="kw">static void setNibble(@Nonnull byte[] var0, int var1, byte var2) {
      int var3 = var1 >> 1;
      byte var4 = var0[var3];
      var2 = (byte)(var2 & 15);
      int var5 = var1 & 1;
      var2 = (byte)(var2 << ((var5 ^ 1) << 2));
      var4 = (byte)(var4 & 15 << (var5 << 2));
      var4 = (byte)(var4 | var2);
      var0[var3] = var4;
   }

   class="kw">public class="kw">static byte getNibble(@Nonnull byte[] var0, int var1) {
      int var2 = var1 >> 1;
      byte var3 = var0[var2];
      int var4 = var1 & 1;
      var3 = (byte)(var3 >> ((var4 ^ 1) << 2));
      class="kw">return (byte)(var3 & 15);
   }

   class="kw">public class="kw">static byte getAndSetNibble(@Nonnull byte[] var0, int var1, byte var2) {
      int var3 = var1 >> 1;
      byte var4 = var0[var3];
      int var5 = var1 & 1;
      byte var6 = var4;
      var6 = (byte)(var6 >> ((var5 ^ 1) << 2));
      var6 = (byte)(var6 & 15);
      var2 = (byte)(var2 & 15);
      var2 = (byte)(var2 << ((var5 ^ 1) << 2));
      var4 = (byte)(var4 & 15 << (var5 << 2));
      var4 = (byte)(var4 | var2);
      var0[var3] = var4;
      class="kw">return var6;
   }
}