class="kw">package com.hypixel.hytale.math.data;

class="kw">import java.io.DataInput;
class="kw">import java.io.DataOutput;
class="kw">import java.io.IOException;
class="kw">import javax.annotation.Nonnull;

class="kw">public class="kw">final class VarInt {
   class="kw">private VarInt() {
      throw new UnsupportedOperationException("Do not instantiate.");
   }

   class="kw">public class="kw">static void writeSignedVarLong(long var0, @Nonnull DataOutput var2) class="kw">throws IOException {
      writeUnsignedVarLong(var0 << 1 ^ var0 >> 63, var2);
   }

   class="kw">public class="kw">static void writeUnsignedVarLong(long var0, @Nonnull DataOutput var2) class="kw">throws IOException {
      while ((var0 & -128L) != 0L) {
         var2.writeByte((int)var0 & 127 | 128);
         var0 >>>= 7;
      }

      var2.writeByte((int)var0 & 127);
   }

   class="kw">public class="kw">static void writeSignedVarInt(int var0, @Nonnull DataOutput var1) class="kw">throws IOException {
      writeUnsignedVarInt(var0 << 1 ^ var0 >> 31, var1);
   }

   class="kw">public class="kw">static void writeUnsignedVarInt(int var0, @Nonnull DataOutput var1) class="kw">throws IOException {
      while ((var0 & -128) != 0L) {
         var1.writeByte(var0 & 127 | 128);
         var0 >>>= 7;
      }

      var1.writeByte(var0 & 127);
   }

   class="kw">public class="kw">static byte[] writeSignedVarInt(int var0) {
      class="kw">return writeUnsignedVarInt(var0 << 1 ^ var0 >> 31);
   }

   class="kw">public class="kw">static byte[] writeUnsignedVarInt(int var0) {
      byte[] var1 = new byte[10];
      int var2 = 0;

      while ((var0 & -128) != 0L) {
         var1[var2++] = (byte)(var0 & 127 | 128);
         var0 >>>= 7;
      }

      var1[var2] = (byte)(var0 & 127);
      byte[] var3 = new byte[var2 + 1];

      while (var2 >= 0) {
         var3[var2] = var1[var2];
         var2--;
      }

      class="kw">return var3;
   }

   class="kw">public class="kw">static long readSignedVarLong(@Nonnull DataInput var0) class="kw">throws IOException {
      long var1 = readUnsignedVarLong(var0);
      long var3 = (var1 << 63 >> 63 ^ var1) >> 1;
      class="kw">return var3 ^ var1 & Long.MIN_VALUE;
   }

   class="kw">public class="kw">static long readUnsignedVarLong(@Nonnull DataInput var0) class="kw">throws IOException {
      long var1 = 0L;
      int var3 = 0;

      long var4;
      while (((var4 = var0.readByte()) & 128L) != 0L) {
         var1 |= (var4 & 127L) << var3;
         var3 += 7;
         if (var3 > 63) {
            throw new IllegalArgumentException("Variable length quantity is too long");
         }
      }

      class="kw">return var1 | var4 << var3;
   }

   class="kw">public class="kw">static int readSignedVarInt(@Nonnull DataInput var0) class="kw">throws IOException {
      int var1 = readUnsignedVarInt(var0);
      int var2 = (var1 << 31 >> 31 ^ var1) >> 1;
      class="kw">return var2 ^ var1 & -2147483648;
   }

   class="kw">public class="kw">static int readUnsignedVarInt(@Nonnull DataInput var0) class="kw">throws IOException {
      int var1 = 0;
      int var2 = 0;

      int var3;
      while (((var3 = var0.readByte()) & 128) != 0) {
         var1 |= (var3 & 127) << var2;
         var2 += 7;
         if (var2 > 35) {
            throw new IllegalArgumentException("Variable length quantity is too long");
         }
      }

      class="kw">return var1 | var3 << var2;
   }

   class="kw">public class="kw">static int readSignedVarInt(@Nonnull byte[] var0) {
      int var1 = readUnsignedVarInt(var0);
      int var2 = (var1 << 31 >> 31 ^ var1) >> 1;
      class="kw">return var2 ^ var1 & -2147483648;
   }

   class="kw">public class="kw">static int readUnsignedVarInt(@Nonnull byte[] var0) {
      int var1 = 0;
      int var2 = 0;
      byte var3 = -128;

      for (byte var7 : var0) {
         var3 = var7;
         if ((var7 & 128) == 0) {
            break;
         }

         var1 |= (var7 & 127) << var2;
         var2 += 7;
         if (var2 > 35) {
            throw new IllegalArgumentException("Variable length quantity is too long");
         }
      }

      class="kw">return var1 | var3 << var2;
   }
}