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

class="kw">import com.hypixel.hytale.protocol.EntityUpdate;
class="kw">import com.hypixel.hytale.protocol.NetworkChannel;
class="kw">import com.hypixel.hytale.protocol.Packet;
class="kw">import com.hypixel.hytale.protocol.ToClientPacket;
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.Arrays;
class="kw">import javax.annotation.Nonnull;
class="kw">import javax.annotation.Nullable;

class="kw">public class EntityUpdates class="kw">implements Packet, ToClientPacket {
   class="kw">public class="kw">static class="kw">final int PACKET_ID = 161;
   class="kw">public class="kw">static class="kw">final boolean IS_COMPRESSED = true;
   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 = 1;
   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 = 9;
   class="kw">public class="kw">static class="kw">final int MAX_SIZE = 1677721600;
   @Nullable
   class="kw">public int[] removed;
   @Nullable
   class="kw">public EntityUpdate[] updates;

   @Override
   class="kw">public int getId() {
      class="kw">return 161;
   }

   @Override
   class="kw">public NetworkChannel getChannel() {
      class="kw">return NetworkChannel.Default;
   }

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

   class="kw">public EntityUpdates(@Nullable int[] var1, @Nullable EntityUpdate[] var2) {
      this.removed = var1;
      this.updates = var2;
   }

   class="kw">public EntityUpdates(@Nonnull EntityUpdates var1) {
      this.removed = var1.removed;
      this.updates = var1.updates;
   }

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

      long var2 = var1 + 9L;
      if (var2 > var0.byteSize()) {
         throw ProtocolException.bufferTooSmall("EntityUpdates", (int)Math.min(var2, 2147483647L), (int)var0.byteSize());
      }
   }

   @Nullable
   class="kw">public class="kw">static int[] getRemoved(MemorySegment var0) {
      class="kw">return getRemoved(var0, 0);
   }

   @Nullable
   class="kw">public class="kw">static int[] getRemoved(MemorySegment var0, int var1) {
      if (!hasRemoved(var0, var1)) {
         class="kw">return null;
      }

      int var2 = var1 + getValidatedOffset(var0, var1, 1, 9, "Removed");
      long var3 = VarInt.getWithLength(var0, var2);
      if (var3 == -1L) {
         throw ProtocolException.invalidVarInt("Removed");
      }

      int var5 = (int)var3;
      if (var5 > 4096000) {
         throw ProtocolException.arrayTooLong("Removed", var5, 4096000);
      }

      int var6 = (int)(var3 >>> 32);
      if (var2 + var6 + var5 * 4L > var0.byteSize()) {
         throw ProtocolException.bufferTooSmall("Removed", (int)Math.min(var2 + var6 + var5 * 4L, 2147483647L), (int)var0.byteSize());
      }

      var2 += var6;
      int[] var7 = new int[var5];
      MemorySegment.copy(var0, PacketIO.PROTO_INT, var2, var7, 0, var5);
      class="kw">return var7;
   }

   @Nullable
   class="kw">public class="kw">static EntityUpdate[] getUpdates(MemorySegment var0) {
      class="kw">return getUpdates(var0, 0);
   }

   @Nullable
   class="kw">public class="kw">static EntityUpdate[] getUpdates(MemorySegment var0, int var1) {
      if (!hasUpdates(var0, var1)) {
         class="kw">return null;
      }

      ReadCursor var2 = new ReadCursor();
      int var3 = var1 + getValidatedOffset(var0, var1, 5, 9, "Updates");
      long var4 = VarInt.getWithLength(var0, var3);
      if (var4 == -1L) {
         throw ProtocolException.invalidVarInt("Updates");
      }

      int var6 = (int)var4;
      if (var6 > 4096000) {
         throw ProtocolException.arrayTooLong("Updates", var6, 4096000);
      }

      int var7 = (int)(var4 >>> 32);
      if (var3 + var7 + var6 * 13L > var0.byteSize()) {
         throw ProtocolException.bufferTooSmall("Updates", (int)Math.min(var3 + var7 + var6 * 13L, 2147483647L), (int)var0.byteSize());
      }

      var3 += var7;
      EntityUpdate[] var8 = new EntityUpdate[var6];

      for (int var9 = 0; var9 < var6; var9++) {
         var8[var9] = EntityUpdate.toObject(var0, var3, var2);
         var3 = var2.position;
      }

      class="kw">return var8;
   }

   class="kw">public class="kw">static boolean hasRemoved(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 hasUpdates(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 EntityUpdates toObject(MemorySegment var0) {
      class="kw">return toObject(var0, 0, null);
   }

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

   class="kw">public class="kw">static EntityUpdates toObject(MemorySegment var0, int var1, @Nullable ReadCursor var2) {
      requireBounds(var0, var1);
      int var3 = var1 + 9;
      int var4 = 0;
      ReadCursor var5 = var2 != null ? var2 : new ReadCursor();
      int[] var6 = null;
      if (hasRemoved(var0, var1)) {
         requireSlot(var0, var1 + 1, var4, "Removed");
         int var7 = var3 + var4;
         long var8 = VarInt.getWithLength(var0, var7);
         if (var8 == -1L) {
            throw ProtocolException.invalidVarInt("Removed");
         }

         int var10 = (int)var8;
         if (var10 > 4096000) {
            throw ProtocolException.arrayTooLong("Removed", var10, 4096000);
         }

         int var11 = (int)(var8 >>> 32);
         if (var7 + var11 + var10 * 4L > var0.byteSize()) {
            throw ProtocolException.bufferTooSmall("Removed", (int)Math.min(var7 + var11 + var10 * 4L, 2147483647L), (int)var0.byteSize());
         }

         var7 += var11;
         var6 = new int[var10];
         MemorySegment.copy(var0, PacketIO.PROTO_INT, var7, var6, 0, var10);
         var4 = var7 + var10 * 4 - var3;
      } else {
         requireSlot(var0, var1 + 1, -1, "Removed");
      }

      EntityUpdate[] var15 = null;
      if (hasUpdates(var0, var1)) {
         requireSlot(var0, var1 + 5, var4, "Updates");
         int var16 = var3 + var4;
         long var9 = VarInt.getWithLength(var0, var16);
         if (var9 == -1L) {
            throw ProtocolException.invalidVarInt("Updates");
         }

         int var19 = (int)var9;
         if (var19 > 4096000) {
            throw ProtocolException.arrayTooLong("Updates", var19, 4096000);
         }

         int var12 = (int)(var9 >>> 32);
         if (var16 + var12 + var19 * 13L > var0.byteSize()) {
            throw ProtocolException.bufferTooSmall("Updates", (int)Math.min(var16 + var12 + var19 * 13L, 2147483647L), (int)var0.byteSize());
         }

         var16 += var12;
         var15 = new EntityUpdate[var19];

         for (int var13 = 0; var13 < var19; var13++) {
            var15[var13] = EntityUpdate.toObject(var0, var16, var5);
            var16 = var5.position;
         }

         var4 = var16 - var3;
      } else {
         requireSlot(var0, var1 + 5, -1, "Updates");
      }

      EntityUpdates var18 = new EntityUpdates(var6, var15);
      if (var2 != null) {
         var2.position = var3 + var4;
      }

      class="kw">return var18;
   }

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

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

      var1.set(PacketIO.PROTO_BYTE, var2 + 0, var3);
      int var4 = var2 + 9;
      if (this.removed != null) {
         var1.set(PacketIO.PROTO_INT, var2 + 1, var4 - var2 - 9);
         if (this.removed.length > 4096000) {
            throw ProtocolException.arrayTooLong("Removed", this.removed.length, 4096000);
         }

         var4 += VarInt.set(var1, var4, this.removed.length);
         MemorySegment.copy(this.removed, 0, var1, PacketIO.PROTO_INT, var4, this.removed.length);
         var4 += this.removed.length * 4;
      } else {
         var1.set(PacketIO.PROTO_INT, var2 + 1, -1);
      }

      if (this.updates != null) {
         var1.set(PacketIO.PROTO_INT, var2 + 5, var4 - var2 - 9);
         if (this.updates.length > 4096000) {
            throw ProtocolException.arrayTooLong("Updates", this.updates.length, 4096000);
         }

         var4 += VarInt.set(var1, var4, this.updates.length);
         int var5 = 0;

         for (int var6 = 0; var6 < this.updates.length; var6++) {
            var5 += this.updates[var6].serialize(var1, var4 + var5);
         }

         var4 += var5;
      } else {
         var1.set(PacketIO.PROTO_INT, var2 + 5, -1);
      }

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

   @Override
   class="kw">public int computeSize() {
      int var1 = 9;
      if (this.removed != null) {
         var1 += VarInt.size(this.removed.length) + this.removed.length * 4;
      }

      if (this.updates != null) {
         int var2 = 0;

         for (EntityUpdate var6 : this.updates) {
            var2 += var6.computeSize();
         }

         var1 += VarInt.size(this.updates.length) + var2;
      }

      class="kw">return var1;
   }

   class="kw">public EntityUpdates clone() {
      EntityUpdates var1 = new EntityUpdates();
      var1.removed = this.removed != null ? Arrays.copyOf(this.removed, this.removed.length) : null;
      var1.updates = this.updates != null ? Arrays.stream(this.updates).map(var0 -> var0.clone()).toArray(EntityUpdate[]::new) : null;
      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 EntityUpdates var2) ? false : Arrays.equals(this.removed, var2.removed) && Arrays.equals(this.updates, var2.updates);
      }
   }

   @Override
   class="kw">public int hashCode() {
      int var1 = 1;
      var1 = 31 * var1 + Arrays.hashCode(this.removed);
      class="kw">return 31 * var1 + Arrays.hashCode(this.updates);
   }
}