class="kw">package com.hypixel.hytale.protocol;

class="kw">import com.hypixel.hytale.protocol.io.PacketIO;
class="kw">import com.hypixel.hytale.protocol.io.ProtocolException;
class="kw">import com.hypixel.hytale.protocol.io.ReadCursor;
class="kw">import com.hypixel.hytale.protocol.io.VarInt;
class="kw">import java.lang.foreign.MemorySegment;
class="kw">import java.util.Objects;
class="kw">import javax.annotation.Nonnull;
class="kw">import javax.annotation.Nullable;

class="kw">public class BlockIdMatcher {
   class="kw">public class="kw">static class="kw">final int NULLABLE_BIT_FIELD_SIZE = 1;
   class="kw">public class="kw">static class="kw">final int FIXED_BLOCK_SIZE = 5;
   class="kw">public class="kw">static class="kw">final int VARIABLE_FIELD_COUNT = 2;
   class="kw">public class="kw">static class="kw">final int VARIABLE_BLOCK_START = 13;
   class="kw">public class="kw">static class="kw">final int MAX_SIZE = 32768023;
   @Nullable
   class="kw">public String id;
   @Nullable
   class="kw">public String state;
   class="kw">public int tagIndex;

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

   class="kw">public BlockIdMatcher(@Nullable String var1, @Nullable String var2, int var3) {
      this.id = var1;
      this.state = var2;
      this.tagIndex = var3;
   }

   class="kw">public BlockIdMatcher(@Nonnull BlockIdMatcher var1) {
      this.id = var1.id;
      this.state = var1.state;
      this.tagIndex = var1.tagIndex;
   }

   class="kw">public class="kw">static void requireBounds(MemorySegment var0, int var1) {
      if (var1 < 0) {
         throw ProtocolException.invalidOffset("BlockIdMatcher", var1, (int)var0.byteSize());
      }

      long var2 = var1 + 13L;
      if (var2 > var0.byteSize()) {
         throw ProtocolException.bufferTooSmall("BlockIdMatcher", (int)Math.min(var2, 2147483647L), (int)var0.byteSize());
      }
   }

   @Nullable
   class="kw">public class="kw">static String getId(MemorySegment var0) {
      class="kw">return getId(var0, 0);
   }

   @Nullable
   class="kw">public class="kw">static String getId(MemorySegment var0, int var1) {
      class="kw">return hasId(var0, var1) ? PacketIO.readVarString("Id", var0, var1 + getValidatedOffset(var0, var1, 5, 13, "Id"), 4096000) : null;
   }

   @Nullable
   class="kw">public class="kw">static String getState(MemorySegment var0) {
      class="kw">return getState(var0, 0);
   }

   @Nullable
   class="kw">public class="kw">static String getState(MemorySegment var0, int var1) {
      class="kw">return hasState(var0, var1) ? PacketIO.readVarString("State", var0, var1 + getValidatedOffset(var0, var1, 9, 13, "State"), 4096000) : null;
   }

   class="kw">public class="kw">static int getTagIndex(MemorySegment var0) {
      class="kw">return getTagIndex(var0, 0);
   }

   class="kw">public class="kw">static int getTagIndex(MemorySegment var0, int var1) {
      class="kw">return var0.get(PacketIO.PROTO_INT, var1 + 1);
   }

   class="kw">public class="kw">static boolean hasId(MemorySegment var0, int var1) {
      byte var2 = var0.get(PacketIO.PROTO_BYTE, var1 + 0);
      class="kw">return (var2 & 1) != 0;
   }

   class="kw">public class="kw">static boolean hasState(MemorySegment var0, int var1) {
      byte var2 = var0.get(PacketIO.PROTO_BYTE, var1 + 0);
      class="kw">return (var2 & 2) != 0;
   }

   class="kw">private class="kw">static int getValidatedOffset(MemorySegment var0, int var1, int var2, int var3, String var4) {
      int var5 = var0.get(PacketIO.PROTO_INT, var1 + var2);
      if (var5 >= 0 && var5 <= var0.byteSize() - var1 - var3) {
         class="kw">return var3 + var5;
      } else {
         throw ProtocolException.invalidOffset(var4, var5, (int)var0.byteSize());
      }
   }

   class="kw">private class="kw">static void requireSlot(MemorySegment var0, int var1, int var2, String var3) {
      int var4 = var0.get(PacketIO.PROTO_INT, var1);
      if (var4 != var2) {
         throw ProtocolException.nonCanonicalLayout(var3, var4, var2);
      }
   }

   class="kw">public class="kw">static BlockIdMatcher toObject(MemorySegment var0) {
      class="kw">return toObject(var0, 0, null);
   }

   class="kw">public class="kw">static BlockIdMatcher toObject(MemorySegment var0, int var1) {
      class="kw">return toObject(var0, var1, null);
   }

   class="kw">public class="kw">static BlockIdMatcher toObject(MemorySegment var0, int var1, @Nullable ReadCursor var2) {
      requireBounds(var0, var1);
      int var3 = var1 + 13;
      int var4 = 0;
      String var5 = null;
      if (hasId(var0, var1)) {
         requireSlot(var0, var1 + 5, var4, "Id");
         int var6 = var3 + var4;
         long var7 = VarInt.getWithLength(var0, var6);
         var5 = PacketIO.readVarString("Id", var0, var6, 0, 4096000, var7);
         var4 += (int)var7 + (int)(var7 >>> 32);
      } else {
         requireSlot(var0, var1 + 5, -1, "Id");
      }

      String var10 = null;
      if (hasState(var0, var1)) {
         requireSlot(var0, var1 + 9, var4, "State");
         int var11 = var3 + var4;
         long var8 = VarInt.getWithLength(var0, var11);
         var10 = PacketIO.readVarString("State", var0, var11, 0, 4096000, var8);
         var4 += (int)var8 + (int)(var8 >>> 32);
      } else {
         requireSlot(var0, var1 + 9, -1, "State");
      }

      BlockIdMatcher var12 = new BlockIdMatcher(var5, var10, var0.get(PacketIO.PROTO_INT, var1 + 1));
      if (var2 != null) {
         var2.position = var3 + var4;
      }

      class="kw">return var12;
   }

   class="kw">public int serialize(@Nonnull MemorySegment var1, int var2) {
      byte var3 = 0;
      if (this.id != null) {
         var3 = (byte)(var3 | 1);
      }

      if (this.state != null) {
         var3 = (byte)(var3 | 2);
      }

      var1.set(PacketIO.PROTO_BYTE, var2 + 0, var3);
      var1.set(PacketIO.PROTO_INT, var2 + 1, this.tagIndex);
      int var4 = var2 + 13;
      if (this.id != null) {
         var1.set(PacketIO.PROTO_INT, var2 + 5, var4 - var2 - 13);
         var4 += PacketIO.writeVarString(var1, var4, this.id, 4096000);
      } else {
         var1.set(PacketIO.PROTO_INT, var2 + 5, -1);
      }

      if (this.state != null) {
         var1.set(PacketIO.PROTO_INT, var2 + 9, var4 - var2 - 13);
         var4 += PacketIO.writeVarString(var1, var4, this.state, 4096000);
      } else {
         var1.set(PacketIO.PROTO_INT, var2 + 9, -1);
      }

      class="kw">return var4 - var2;
   }

   class="kw">public int computeSize() {
      int var1 = 13;
      if (this.id != null) {
         var1 += PacketIO.stringSize(this.id);
      }

      if (this.state != null) {
         var1 += PacketIO.stringSize(this.state);
      }

      class="kw">return var1;
   }

   class="kw">public BlockIdMatcher clone() {
      BlockIdMatcher var1 = new BlockIdMatcher();
      var1.id = this.id;
      var1.state = this.state;
      var1.tagIndex = this.tagIndex;
      class="kw">return var1;
   }

   @Override
   class="kw">public boolean equals(Object var1) {
      if (this == var1) {
         class="kw">return true;
      } else {
         class="kw">return !(var1 class="kw">instanceof BlockIdMatcher var2)
            ? false
            : Objects.equals(this.id, var2.id) && Objects.equals(this.state, var2.state) && this.tagIndex == var2.tagIndex;
      }
   }

   @Override
   class="kw">public int hashCode() {
      class="kw">return Objects.hash(this.id, this.state, this.tagIndex);
   }
}