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.Arrays;
class="kw">import java.util.HashMap;
class="kw">import java.util.Map;
class="kw">import java.util.Map.Entry;
class="kw">import javax.annotation.Nonnull;
class="kw">import javax.annotation.Nullable;

class="kw">public class ItemLibrary {
   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 ItemBase[] items;
   @Nullable
   class="kw">public Map<Integer, String>[] blockMap;

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

   class="kw">public ItemLibrary(@Nullable ItemBase[] var1, @Nullable Map<Integer, String>[] var2) {
      this.items = var1;
      this.blockMap = var2;
   }

   class="kw">public ItemLibrary(@Nonnull ItemLibrary var1) {
      this.items = var1.items;
      this.blockMap = var1.blockMap;
   }

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

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

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

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

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

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

      int var7 = (int)(var4 >>> 32);
      if (var3 + var7 + var6 * 266L > var0.byteSize()) {
         throw ProtocolException.bufferTooSmall("Items", (int)Math.min(var3 + var7 + var6 * 266L, 2147483647L), (int)var0.byteSize());
      }

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

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

      class="kw">return var8;
   }

   @Nullable
   class="kw">public class="kw">static Map<Integer, String>[] getBlockMap(MemorySegment var0) {
      class="kw">return getBlockMap(var0, 0);
   }

   @Nullable
   class="kw">public class="kw">static Map<Integer, String>[] getBlockMap(MemorySegment var0, int var1) {
      if (!hasBlockMap(var0, var1)) {
         class="kw">return null;
      }

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

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

      int var6 = (int)(var3 >>> 32);
      if (var2 + var6 + var5 > var0.byteSize()) {
         throw ProtocolException.bufferTooSmall("BlockMap", Math.min(var2 + var6 + var5, Integer.MAX_VALUE), (int)var0.byteSize());
      }

      var2 += var6;
      Map[] var7 = new Map[var5];

      for (int var8 = 0; var8 < var5; var8++) {
         long var9 = VarInt.getWithLength(var0, var2);
         if (var9 == -1L) {
            throw ProtocolException.invalidVarInt("BlockMap");
         }

         int var11 = (int)var9;
         if (var11 > 4096000) {
            throw ProtocolException.dictionaryTooLarge("BlockMap", var11, 4096000);
         }

         var2 += (int)(var9 >>> 32);
         if (var2 + var11 * 5L > var0.byteSize()) {
            throw ProtocolException.bufferTooSmall("BlockMap", (int)Math.min(var2 + var11 * 5L, 2147483647L), (int)var0.byteSize());
         }

         HashMap var12 = new HashMap<>(var11);

         for (int var13 = 0; var13 < var11; var13++) {
            int var14 = var0.get(PacketIO.PROTO_INT, var2);
            var2 += 4;
            long var15 = VarInt.getWithLength(var0, var2);
            String var17 = PacketIO.readVarString("value", var0, var2, 0, 4096000, var15);
            var2 += (int)var15 + (int)(var15 >>> 32);
            if (var12.put(var14, var17) != null) {
               throw ProtocolException.duplicateKey("BlockMap", var14);
            }
         }

         var7[var8] = var12;
      }

      class="kw">return var7;
   }

   class="kw">public class="kw">static boolean hasItems(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 hasBlockMap(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 ItemLibrary toObject(MemorySegment var0) {
      class="kw">return toObject(var0, 0, null);
   }

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

   class="kw">public class="kw">static ItemLibrary 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();
      ItemBase[] var6 = null;
      if (hasItems(var0, var1)) {
         requireSlot(var0, var1 + 1, var4, "Items");
         int var7 = var3 + var4;
         long var8 = VarInt.getWithLength(var0, var7);
         if (var8 == -1L) {
            throw ProtocolException.invalidVarInt("Items");
         }

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

         int var11 = (int)(var8 >>> 32);
         if (var7 + var11 + var10 * 266L > var0.byteSize()) {
            throw ProtocolException.bufferTooSmall("Items", (int)Math.min(var7 + var11 + var10 * 266L, 2147483647L), (int)var0.byteSize());
         }

         var7 += var11;
         var6 = new ItemBase[var10];

         for (int var12 = 0; var12 < var10; var12++) {
            var6[var12] = ItemBase.toObject(var0, var7, var5);
            var7 = var5.position;
         }

         var4 = var7 - var3;
      } else {
         requireSlot(var0, var1 + 1, -1, "Items");
      }

      Map[] var24 = null;
      if (hasBlockMap(var0, var1)) {
         requireSlot(var0, var1 + 5, var4, "BlockMap");
         int var25 = var3 + var4;
         long var9 = VarInt.getWithLength(var0, var25);
         if (var9 == -1L) {
            throw ProtocolException.invalidVarInt("BlockMap");
         }

         int var29 = (int)var9;
         if (var29 > 4096000) {
            throw ProtocolException.arrayTooLong("BlockMap", var29, 4096000);
         }

         int var30 = (int)(var9 >>> 32);
         if (var25 + var30 + var29 > var0.byteSize()) {
            throw ProtocolException.bufferTooSmall("BlockMap", Math.min(var25 + var30 + var29, Integer.MAX_VALUE), (int)var0.byteSize());
         }

         var25 += var30;
         var24 = new Map[var29];

         for (int var13 = 0; var13 < var29; var13++) {
            long var14 = VarInt.getWithLength(var0, var25);
            if (var14 == -1L) {
               throw ProtocolException.invalidVarInt("BlockMap");
            }

            int var16 = (int)var14;
            if (var16 > 4096000) {
               throw ProtocolException.dictionaryTooLarge("BlockMap", var16, 4096000);
            }

            var25 += (int)(var14 >>> 32);
            if (var25 + var16 * 5L > var0.byteSize()) {
               throw ProtocolException.bufferTooSmall("BlockMap", (int)Math.min(var25 + var16 * 5L, 2147483647L), (int)var0.byteSize());
            }

            HashMap var17 = new HashMap<>(var16);

            for (int var18 = 0; var18 < var16; var18++) {
               int var19 = var0.get(PacketIO.PROTO_INT, var25);
               var25 += 4;
               long var20 = VarInt.getWithLength(var0, var25);
               String var22 = PacketIO.readVarString("value", var0, var25, 0, 4096000, var20);
               var25 += (int)var20 + (int)(var20 >>> 32);
               if (var17.put(var19, var22) != null) {
                  throw ProtocolException.duplicateKey("BlockMap", var19);
               }
            }

            var24[var13] = var17;
         }

         var4 = var25 - var3;
      } else {
         requireSlot(var0, var1 + 5, -1, "BlockMap");
      }

      ItemLibrary var28 = new ItemLibrary(var6, var24);
      if (var2 != null) {
         var2.position = var3 + var4;
      }

      class="kw">return var28;
   }

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

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

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

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

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

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

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

         var4 += VarInt.set(var1, var4, this.blockMap.length);

         for (int var10 = 0; var10 < this.blockMap.length; var10++) {
            var4 += VarInt.set(var1, var4, this.blockMap[var10].size());

            for (Entry var7 : this.blockMap[var10].entrySet()) {
               var1.set(PacketIO.PROTO_INT, var4, var7.getKey());
               var4 += 4;
               var4 += PacketIO.writeVarString(var1, var4, var7.getValue(), 4096000);
            }
         }
      } else {
         var1.set(PacketIO.PROTO_INT, var2 + 5, -1);
      }

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

   class="kw">public int computeSize() {
      int var1 = 9;
      if (this.items != null) {
         int var2 = 0;

         for (ItemBase var6 : this.items) {
            var2 += var6.computeSize();
         }

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

      if (this.blockMap != null) {
         int var7 = 0;

         for (Map var11 : this.blockMap) {
            var7 += VarInt.size(var11.size()) + var11.entrySet().stream().mapToInt(var0 -> 4 + PacketIO.stringSize(var0.getValue())).sum();
         }

         var1 += VarInt.size(this.blockMap.length) + var7;
      }

      class="kw">return var1;
   }

   class="kw">public ItemLibrary clone() {
      ItemLibrary var1 = new ItemLibrary();
      var1.items = this.items != null ? Arrays.stream(this.items).map(var0 -> var0.clone()).toArray(ItemBase[]::new) : null;
      var1.blockMap = this.blockMap != null
         ? Arrays.stream(this.blockMap).map(var0 -> new HashMap<>((Map<? class="kw">extends Integer, ? class="kw">extends String>)var0)).toArray(Map[]::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 ItemLibrary var2) ? false : Arrays.equals(this.items, var2.items) && Arrays.equals(this.blockMap, var2.blockMap);
      }
   }

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