attempt crash fix

connector/src/main/java/org/geysermc/connector/network/ConnectorServerEventHandler.java

@@ -29,8 +29,10 @@ import com.nukkitx.protocol.bedrock.BedrockPong;
 import com.nukkitx.protocol.bedrock.BedrockServerEventHandler;
 import com.nukkitx.protocol.bedrock.BedrockServerSession;
 import com.nukkitx.protocol.bedrock.v361.Bedrock_v361;
+import org.geysermc.api.Geyser;
 import org.geysermc.connector.GeyserConnector;
 import org.geysermc.connector.configuration.GeyserConfiguration;
+import org.geysermc.connector.console.GeyserLogger;
 import org.geysermc.connector.network.session.GeyserSession;
 
 import java.net.InetSocketAddress;
@@ -51,7 +53,7 @@ public class ConnectorServerEventHandler implements BedrockServerEventHandler {
 
     @Override
     public BedrockPong onQuery(InetSocketAddress inetSocketAddress) {
-        System.out.println(inetSocketAddress + " has pinged you!");
+        GeyserLogger.DEFAULT.info(inetSocketAddress + " has pinged you!");
         GeyserConfiguration config = connector.getConfig();
         BedrockPong pong = new BedrockPong();
         pong.setEdition("MCPE");
@@ -63,6 +65,7 @@ public class ConnectorServerEventHandler implements BedrockServerEventHandler {
         pong.setNintendoLimited(false);
         pong.setProtocolVersion(GeyserConnector.BEDROCK_PACKET_CODEC.getProtocolVersion());
         pong.setVersion("1.12.0");
+        pong.setIpv4Port(19132);
 
         return pong;
     }
@@ -71,7 +74,7 @@ public class ConnectorServerEventHandler implements BedrockServerEventHandler {
     public void onSessionCreation(BedrockServerSession bedrockServerSession) {
         bedrockServerSession.setLogging(true);
         bedrockServerSession.setPacketHandler(new UpstreamPacketHandler(connector, new GeyserSession(connector, bedrockServerSession)));
-        bedrockServerSession.addDisconnectHandler((x) -> System.out.println("Bedrock user with ip: " + bedrockServerSession.getAddress().getAddress() + " has disconected for reason " + x));
+        bedrockServerSession.addDisconnectHandler((x) -> GeyserLogger.DEFAULT.warning("Bedrock user with ip: " + bedrockServerSession.getAddress().getAddress() + " has disconected for reason " + x));
         bedrockServerSession.setPacketCodec(Bedrock_v361.V361_CODEC);
     }
 

connector/src/main/java/org/geysermc/connector/network/translators/TranslatorsInit.java

@@ -1,43 +1,57 @@
 package org.geysermc.connector.network.translators;
 
 import com.flowpowered.math.vector.Vector2f;
+import com.flowpowered.math.vector.Vector2i;
 import com.flowpowered.math.vector.Vector3f;
 import com.flowpowered.math.vector.Vector3i;
 import com.github.steveice10.mc.protocol.packet.ingame.server.ServerJoinGamePacket;
 import com.github.steveice10.mc.protocol.packet.ingame.server.entity.player.ServerPlayerAbilitiesPacket;
+import com.nukkitx.nbt.NbtUtils;
+import com.nukkitx.nbt.stream.NBTOutputStream;
+import com.nukkitx.nbt.tag.CompoundTag;
+import com.nukkitx.network.VarInts;
 import com.nukkitx.protocol.bedrock.data.GamePublishSetting;
 import com.nukkitx.protocol.bedrock.data.GameRule;
 import com.nukkitx.protocol.bedrock.packet.*;
 import com.nukkitx.protocol.bedrock.v340.serializer.FullChunkDataSerializer_v340;
 import com.nukkitx.protocol.bedrock.v340.serializer.ResourcePackChunkDataSerializer_v340;
+import com.nukkitx.protocol.bedrock.v340.serializer.SetSpawnPositionSerializer_v340;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import org.geysermc.connector.console.GeyserLogger;
+import org.geysermc.connector.utils.PositionSerializer;
 import org.geysermc.connector.utils.Toolbox;
 
+import java.io.ByteArrayOutputStream;
+import java.util.HashMap;
+
 public class TranslatorsInit {
     public static void start() {
         addLoginPackets();
     }
 
     private static void addLoginPackets() {
-        Registry.add(ServerJoinGamePacket.class, (x, y) -> {
+        Registry.add(ServerJoinGamePacket.class, (packet, session) -> {
+            for(byte b : Toolbox.EMPTY_CHUNK) {
+                GeyserLogger.DEFAULT.warning("" + b);
+            }
             AdventureSettingsPacket bedrockPacket = new AdventureSettingsPacket();
 
-            bedrockPacket.setUniqueEntityId(x.getEntityId());
+            bedrockPacket.setUniqueEntityId(packet.getEntityId());
 
-            y.getUpstream().sendPacketImmediately(bedrockPacket);
+            session.getUpstream().sendPacketImmediately(bedrockPacket);
-
-            System.out.println(y.getUpstream().isClosed());
 
             StartGamePacket startGamePacket = new StartGamePacket();
-            startGamePacket.setUniqueEntityId(x.getEntityId());
+            startGamePacket.setUniqueEntityId(packet.getEntityId());
-            startGamePacket.setRuntimeEntityId(x.getEntityId());
+            startGamePacket.setRuntimeEntityId(packet.getEntityId());
-            startGamePacket.setPlayerGamemode(x.getGameMode().ordinal());
+            startGamePacket.setPlayerGamemode(packet.getGameMode().ordinal());
             startGamePacket.setPlayerPosition(new Vector3f(0, 0, 0));
             startGamePacket.setRotation(new Vector2f(1, 1));
 
             startGamePacket.setSeed(1111);
             startGamePacket.setDimensionId(0);
             startGamePacket.setGeneratorId(0);
-            startGamePacket.setLevelGamemode(x.getGameMode().ordinal());
+            startGamePacket.setLevelGamemode(packet.getGameMode().ordinal());
             startGamePacket.setDifficulty(1);
             startGamePacket.setDefaultSpawn(new Vector3i(0, 0, 0));
             startGamePacket.setAcheivementsDisabled(true);
@@ -72,44 +86,56 @@ public class TranslatorsInit {
             startGamePacket.setEnchantmentSeed(1);
             startGamePacket.setMultiplayerCorrelationId("");
             startGamePacket.setCachedPalette(Toolbox.CACHED_PALLETE);
+            startGamePacket.setItemEntries(Toolbox.ITEMS);
 
-            y.getUpstream().sendPacketImmediately(startGamePacket);
+            session.getUpstream().sendPacketImmediately(startGamePacket);
-
-            System.out.println(y.getUpstream().isClosed());
 
             Vector3f pos = new Vector3f(0, 0, 0);
 
             int chunkX = pos.getFloorX() >> 4;
 
-            int chunkZ = pos.getFloorX() >> 4;
+            int chunkZ = pos.getFloorZ() >> 4;
 
-            for (int x1 = -3; x1 < 3; x1++) {
+            for (int x = -3; x < 3; x++) {
 
                 for (int z = -3; z < 3; z++) {
 
                     LevelChunkPacket data = new LevelChunkPacket();
-
+                    data.setChunkX(chunkX + x);
-                    data.setChunkX(chunkX + x1);
-
                     data.setChunkZ(chunkZ + z);
 
-                    data.setData(new byte[0]);
+                    data.setData(Toolbox.EMPTY_CHUNK);
 
-                    y.getUpstream().sendPacketImmediately(data);
+                    session.getUpstream().sendPacketImmediately(data);
-
-                    System.out.println(y.getUpstream().isClosed());
 
                 }
 
             }
 
-            PlayStatusPacket packet = new PlayStatusPacket();
+            PlayStatusPacket packet1 = new PlayStatusPacket();
 
-            packet.setStatus(PlayStatusPacket.Status.PLAYER_SPAWN);
+            packet1.setStatus(PlayStatusPacket.Status.PLAYER_SPAWN);
 
-            y.getUpstream().sendPacket(packet);
+            session.getUpstream().sendPacket(packet1);
-
-            System.out.println(y.getUpstream().isClosed());
         });
     }
+
+    private static byte[] empty(byte[] b, Vector2i pos) {
+        ByteBuf by = Unpooled.buffer();
+
+        PositionSerializer.writePEChunkCoord(by, pos);
+
+        return by.array();
+    }
+
+    private static class CanWriteToBB extends ByteArrayOutputStream {
+
+        CanWriteToBB() {
+            super(8192);
+        }
+
+        void writeTo(ByteBuf buf) {
+            buf.writeBytes(super.buf, 0, super.count);
+        }
+    }
 }

connector/src/main/java/org/geysermc/connector/utils/ArraySerializer.java

@@ -0,0 +1,272 @@
+package org.geysermc.connector.utils;
+
+import java.lang.reflect.Array;
+
+import java.util.List;
+
+import java.util.function.BiConsumer;
+
+import java.util.function.Consumer;
+
+import java.util.function.Function;
+
+import java.util.function.ToIntFunction;
+
+
+
+import io.netty.buffer.ByteBuf;
+
+
+
+public class ArraySerializer {
+
+
+
+    public static ByteBuf readShortByteArraySlice(ByteBuf from, int limit) {
+
+        int length = from.readShort();
+
+        MiscSerializer.checkLimit(length, limit);
+
+        return from.readSlice(length);
+
+    }
+
+
+
+    @SuppressWarnings("unchecked")
+
+    public static <T> T[] readShortTArray(ByteBuf from, Class<T> tclass, Function<ByteBuf, T> elementReader) {
+
+        T[] array = (T[]) Array.newInstance(tclass, from.readShort());
+
+        for (int i = 0; i < array.length; i++) {
+
+            array[i] = elementReader.apply(from);
+
+        }
+
+        return array;
+
+    }
+
+
+
+
+
+    public static byte[] readVarIntByteArray(ByteBuf from) {
+
+        return MiscSerializer.readBytes(from, VarNumberSerializer.readVarInt(from));
+
+    }
+
+
+
+    public static ByteBuf readVarIntByteArraySlice(ByteBuf from, int limit) {
+
+        int length = VarNumberSerializer.readVarInt(from);
+
+        MiscSerializer.checkLimit(length, limit);
+
+        return from.readSlice(length);
+
+    }
+
+
+
+    public static ByteBuf readVarIntByteArraySlice(ByteBuf from) {
+
+        return from.readSlice(VarNumberSerializer.readVarInt(from));
+
+    }
+
+
+
+    @SuppressWarnings("unchecked")
+
+    public static <T> T[] readVarIntTArray(ByteBuf from, Class<T> tclass, Function<ByteBuf, T> elementReader) {
+
+        T[] array = (T[]) Array.newInstance(tclass, VarNumberSerializer.readVarInt(from));
+
+        for (int i = 0; i < array.length; i++) {
+
+            array[i] = elementReader.apply(from);
+
+        }
+
+        return array;
+
+    }
+
+
+
+    public static int[] readVarIntVarIntArray(ByteBuf from) {
+
+        int[] array = new int[VarNumberSerializer.readVarInt(from)];
+
+        for (int i = 0; i < array.length; i++) {
+
+            array[i] = VarNumberSerializer.readVarInt(from);
+
+        }
+
+        return array;
+
+    }
+
+
+
+
+
+    public static void writeShortByteArray(ByteBuf to, ByteBuf data) {
+
+        to.writeShort(data.readableBytes());
+
+        to.writeBytes(data);
+
+    }
+
+
+
+    public static void writeShortByteArray(ByteBuf to, byte[] data) {
+
+        to.writeShort(data.length);
+
+        to.writeBytes(data);
+
+    }
+
+
+
+    public static void writeShortByteArray(ByteBuf to, Consumer<ByteBuf> dataWriter) {
+
+        MiscSerializer.writeLengthPrefixedBytes(to, (lTo, length) -> lTo.writeShort(length), dataWriter);
+
+    }
+
+
+
+    public static <T> void writeShortTArray(ByteBuf to, T[] array, BiConsumer<ByteBuf, T> elementWriter) {
+
+        to.writeShort(array.length);
+
+        for (T element : array) {
+
+            elementWriter.accept(to, element);
+
+        }
+
+    }
+
+
+
+
+
+    public static void writeVarIntByteArray(ByteBuf to, ByteBuf data) {
+
+        VarNumberSerializer.writeVarInt(to, data.readableBytes());
+
+        to.writeBytes(data);
+
+    }
+
+
+
+    public static void writeVarIntByteArray(ByteBuf to, byte[] data) {
+
+        VarNumberSerializer.writeVarInt(to, data.length);
+
+        to.writeBytes(data);
+
+    }
+
+
+
+    public static void writeVarIntByteArray(ByteBuf to, Consumer<ByteBuf> dataWriter) {
+
+        MiscSerializer.writeLengthPrefixedBytes(to, VarNumberSerializer::writeFixedSizeVarInt, dataWriter);
+
+    }
+
+
+
+    public static void writeVarIntTArray(ByteBuf to, ToIntFunction<ByteBuf> arrayWriter) {
+
+        MiscSerializer.writeSizePrefixedData(to, VarNumberSerializer::writeFixedSizeVarInt, arrayWriter);
+
+    }
+
+
+
+    public static <T> void writeVarIntTArray(ByteBuf to, T[] array, BiConsumer<ByteBuf, T> elementWriter) {
+
+        VarNumberSerializer.writeVarInt(to, array.length);
+
+        for (T element : array) {
+
+            elementWriter.accept(to, element);
+
+        }
+
+    }
+
+
+
+    public static <T> void writeVarIntTArray(ByteBuf to, List<T> array, BiConsumer<ByteBuf, T> elementWriter) {
+
+        VarNumberSerializer.writeVarInt(to, array.size());
+
+        for (T element : array) {
+
+            elementWriter.accept(to, element);
+
+        }
+
+    }
+
+
+
+
+    public static void writeVarIntVarIntArray(ByteBuf to, int[] array) {
+
+        VarNumberSerializer.writeVarInt(to, array.length);
+
+        for (int element : array) {
+
+            VarNumberSerializer.writeVarInt(to, element);
+
+        }
+
+    }
+
+
+
+    public static void writeSVarIntSVarIntArray(ByteBuf to, int[] array) {
+
+        VarNumberSerializer.writeSVarInt(to, array.length);
+
+        for (int element : array) {
+
+            VarNumberSerializer.writeSVarInt(to, element);
+
+        }
+
+    }
+
+
+
+    public static void writeVarIntLongArray(ByteBuf to, long[] array) {
+
+        VarNumberSerializer.writeVarInt(to, array.length);
+
+        for (long element : array) {
+
+            to.writeLong(element);
+
+        }
+
+    }
+
+
+
+}

connector/src/main/java/org/geysermc/connector/utils/MiscSerializer.java

@@ -0,0 +1,159 @@
+package org.geysermc.connector.utils;
+
+import java.text.MessageFormat;
+
+import java.util.UUID;
+
+import java.util.function.Consumer;
+
+import java.util.function.ObjIntConsumer;
+
+import java.util.function.ToIntFunction;
+
+
+
+import io.netty.buffer.ByteBuf;
+
+import io.netty.handler.codec.DecoderException;
+
+
+public class MiscSerializer {
+
+
+    public static void writeVarIntEnum(ByteBuf to, Enum<?> e) {
+
+        VarNumberSerializer.writeVarInt(to, e.ordinal());
+
+    }
+
+
+
+    public static void writeByteEnum(ByteBuf to, Enum<?> e) {
+
+        to.writeByte(e.ordinal());
+
+    }
+
+
+
+    public static UUID readUUID(ByteBuf from) {
+
+        return new UUID(from.readLong(), from.readLong());
+
+    }
+
+
+
+    public static void writeUUID(ByteBuf to, UUID uuid) {
+
+        to.writeLong(uuid.getMostSignificantBits());
+
+        to.writeLong(uuid.getLeastSignificantBits());
+
+    }
+
+
+
+    public static void writePEUUID(ByteBuf to, UUID uuid) {
+
+        to.writeLongLE(uuid.getMostSignificantBits());
+
+        to.writeLongLE(uuid.getLeastSignificantBits());
+
+    }
+
+
+
+    public static byte[] readAllBytes(ByteBuf buf) {
+
+        return MiscSerializer.readBytes(buf, buf.readableBytes());
+
+    }
+
+
+
+    public static ByteBuf readAllBytesSlice(ByteBuf from) {
+
+        return from.readSlice(from.readableBytes());
+
+    }
+
+
+
+    public static ByteBuf readAllBytesSlice(ByteBuf buf, int limit) {
+
+        checkLimit(buf.readableBytes(), limit);
+
+        return readAllBytesSlice(buf);
+
+    }
+
+
+
+    public static byte[] readBytes(ByteBuf buf, int length) {
+
+        byte[] result = new byte[length];
+
+        buf.readBytes(result);
+
+        return result;
+
+    }
+
+
+
+    protected static void checkLimit(int length, int limit) {
+
+        if (length > limit) {
+
+            throw new DecoderException(MessageFormat.format("Size {0} is bigger than allowed {1}", length, limit));
+
+        }
+
+    }
+
+
+
+    public static void writeLengthPrefixedBytes(ByteBuf to, ObjIntConsumer<ByteBuf> lengthWriter, Consumer<ByteBuf> dataWriter) {
+
+        int lengthWriterIndex = to.writerIndex();
+
+        lengthWriter.accept(to, 0);
+
+        int writerIndexDataStart = to.writerIndex();
+
+        dataWriter.accept(to);
+
+        int writerIndexDataEnd = to.writerIndex();
+
+        to.writerIndex(lengthWriterIndex);
+
+        lengthWriter.accept(to, writerIndexDataEnd - writerIndexDataStart);
+
+        to.writerIndex(writerIndexDataEnd);
+
+    }
+
+
+
+    public static void writeSizePrefixedData(ByteBuf to, ObjIntConsumer<ByteBuf> sizeWriter, ToIntFunction<ByteBuf> dataWriter) {
+
+        int sizeWriterIndex = to.writerIndex();
+
+        sizeWriter.accept(to, 0);
+
+        int size = dataWriter.applyAsInt(to);
+
+        int writerIndexDataEnd = to.writerIndex();
+
+        to.writerIndex(sizeWriterIndex);
+
+        sizeWriter.accept(to, size);
+
+        to.writerIndex(writerIndexDataEnd);
+
+    }
+
+
+
+}

connector/src/main/java/org/geysermc/connector/utils/PSPEStuff.java

@@ -0,0 +1,52 @@
+package org.geysermc.connector.utils;
+
+import io.netty.buffer.ByteBuf;
+
+public class PSPEStuff {
+
+    public static final int FLAG_RUNTIME = 1;
+
+    public static final int GLOBAL_PALETTE_BITS_PER_BLOCK = 14;
+
+    public static final int SECTION_COUNT_BLOCKS = 16;
+
+    public static final int SECTION_COUNT_LIGHT = 18;
+
+    public static final int BLOCKS_IN_SECTION = 16 * 16 * 16;
+
+    public static final int LIGHT_DATA_LENGTH = BLOCKS_IN_SECTION / 2;
+
+    public static final int EMPTY_SUBCHUNK_BYTES = BLOCKS_IN_SECTION / 8;
+
+    public static final int SUBCHUNK_VERSION = 8;
+
+    public static void writeEmpty(ByteBuf to) {
+
+        to.writeByte(storageHeader(1));
+
+        to.writeZero(EMPTY_SUBCHUNK_BYTES);
+
+    }
+
+
+
+    protected static final int storageHeader(int bitsPerBlock) {
+
+        return (bitsPerBlock << 1) | FLAG_RUNTIME;
+
+    }
+
+    public static void writeEmptySubChunk(ByteBuf out) {
+
+        out.writeByte(SUBCHUNK_VERSION);
+
+        out.writeByte(1); //only blockstate storage
+
+        writeEmpty(out);
+
+        VarNumberSerializer.writeSVarInt(out, 1); //Palette size
+
+        VarNumberSerializer.writeSVarInt(out, 0); //Palette: Air
+
+    }
+}

connector/src/main/java/org/geysermc/connector/utils/PositionSerializer.java

@@ -0,0 +1,191 @@
+package org.geysermc.connector.utils;
+
+import com.flowpowered.math.vector.Vector2d;
+import com.flowpowered.math.vector.Vector2i;
+import com.flowpowered.math.vector.Vector3d;
+import com.flowpowered.math.vector.Vector3i;
+import io.netty.buffer.ByteBuf;
+import protocolsupport.protocol.types.Position;
+
+public class PositionSerializer {
+
+
+
+	public static void skipPosition(ByteBuf from) {
+
+		from.skipBytes(Long.BYTES);
+
+	}
+
+
+
+	public static Vector3d readPosition(ByteBuf from) {
+
+		long l = from.readLong();
+
+		return new Vector3d(
+
+			(int) (l >> 38), (int) (l & 0xFFF), (int) ((l << 26) >> 38)
+
+		);
+
+	}
+
+
+
+	public static void readPEPosition(ByteBuf from) {
+
+		VarNumberSerializer.readSVarInt(from);
+
+		VarNumberSerializer.readVarInt(from);
+
+		VarNumberSerializer.readSVarInt(from);
+
+	}
+
+
+
+
+	public static Vector3d readLegacyPositionI(ByteBuf from) {
+
+		return new Vector3d(from.readInt(), from.readInt(), from.readInt());
+
+	}
+
+
+
+	public static void writePosition(ByteBuf to, Vector3i position) {
+
+		to.writeLong(((position.getX() & 0x3FFFFFFL) << 38) | ((position.getZ() & 0x3FFFFFFL) << 12) | (position.getY() & 0xFFFL));
+
+	}
+
+
+
+	public static void writeLegacyPositionL(ByteBuf to, Position position) {
+
+		to.writeLong(((position.getX() & 0x3FFFFFFL) << 38) | ((position.getY() & 0xFFFL) << 26) | (position.getZ() & 0x3FFFFFFL));
+
+	}
+
+
+
+	public static void writePEPosition(ByteBuf to, Position position) {
+
+		VarNumberSerializer.writeSVarInt(to, position.getX());
+
+		VarNumberSerializer.writeVarInt(to, position.getY());
+
+		VarNumberSerializer.writeSVarInt(to, position.getZ());
+
+	}
+
+
+
+	public static void writeLegacyPositionB(ByteBuf to, Position position) {
+
+		to.writeInt(position.getX());
+
+		to.writeByte(position.getY());
+
+		to.writeInt(position.getZ());
+
+	}
+
+
+
+	public static void writeLegacyPositionS(ByteBuf to, Position position) {
+
+		to.writeInt(position.getX());
+
+		to.writeShort(position.getY());
+
+		to.writeInt(position.getZ());
+
+	}
+
+
+
+	public static void writeLegacyPositionI(ByteBuf to, Position position) {
+
+		to.writeInt(position.getX());
+
+		to.writeInt(position.getY());
+
+		to.writeInt(position.getZ());
+
+	}
+
+
+
+	public static Vector2i readIntChunkCoord(ByteBuf from) {
+
+		return new Vector2i(from.readInt(), from.readInt());
+
+	}
+
+
+
+	public static Vector2i readVarIntChunkCoord(ByteBuf from) {
+
+		return new Vector2i(VarNumberSerializer.readVarInt(from), VarNumberSerializer.readVarInt(from));
+
+	}
+
+
+
+	public static void writeIntChunkCoord(ByteBuf to, Vector2i chunk) {
+
+		to.writeInt(chunk.getX());
+
+		to.writeInt(chunk.getY());
+
+	}
+
+
+
+	public static Vector2i readPEChunkCoord(ByteBuf from) {
+
+		return new Vector2i(VarNumberSerializer.readSVarInt(from), VarNumberSerializer.readSVarInt(from));
+
+	}
+
+
+
+	public static void writePEChunkCoord(ByteBuf to, Vector2i chunk) {
+
+		VarNumberSerializer.writeSVarInt(to, chunk.getX());
+
+		VarNumberSerializer.writeSVarInt(to, chunk.getY());
+
+	}
+
+
+
+	public static int readLocalCoord(ByteBuf from) {
+
+		return from.readUnsignedShort();
+
+	}
+
+
+
+	public static void writeLocalCoord(ByteBuf to, int coord) {
+
+		to.writeShort(coord);
+
+	}
+
+
+
+	public static void writeVarIntChunkCoord(ByteBuf to, Vector2i chunk) {
+
+		VarNumberSerializer.writeVarInt(to, chunk.getX());
+
+		VarNumberSerializer.writeVarInt(to, chunk.getY());
+
+	}
+
+
+
+}

connector/src/main/java/org/geysermc/connector/utils/Toolbox.java

@@ -4,15 +4,14 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.type.CollectionType;
 import com.nukkitx.network.VarInts;
+import com.nukkitx.protocol.bedrock.packet.StartGamePacket;
 import com.nukkitx.protocol.bedrock.v361.BedrockUtils;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
 
+import java.io.IOException;
 import java.io.InputStream;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.HashMap;
-import java.util.LinkedHashMap;
-import java.util.Map;
 
 public class Toolbox {
     static {
@@ -40,8 +39,50 @@ public class Toolbox {
 
         CACHED_PALLETE = b;
 
+
+
+
+        InputStream stream2 = Toolbox.class.getClassLoader().getResourceAsStream("items.json");
+        if (stream2 == null) {
+            throw new AssertionError("Items Table not found");
+        }
+
+        ObjectMapper mapper2 = new ObjectMapper();
+
+        ArrayList<HashMap> s = new ArrayList<>();
+        try {
+            s = mapper2.readValue(stream2, ArrayList.class);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        ArrayList<StartGamePacket.ItemEntry> l = new ArrayList<>();
+
+        for(HashMap e : s) {
+            l.add(new StartGamePacket.ItemEntry((String) e.get("name"), ((Integer) e.get("id")).shortValue()));
+        }
+
+        ITEMS = l;
+
+        ByteBuf serializer;
+
+        serializer = Unpooled.buffer();
+        serializer.writeShortLE(1);
+        ArraySerializer.writeVarIntByteArray(serializer, (chunkdata) -> {
+            PSPEStuff.writeEmptySubChunk(chunkdata);
+            chunkdata.writeZero(512);
+            chunkdata.writeZero(256);
+            chunkdata.writeByte(0);
+        });
+
+        EMPTY_CHUNK = MiscSerializer.readAllBytes(serializer);
+
     }
 
+    public static final Collection<StartGamePacket.ItemEntry> ITEMS;
+
     public static final ByteBuf CACHED_PALLETE;
 
+    public static final byte[] EMPTY_CHUNK;
+
 }

connector/src/main/java/org/geysermc/connector/utils/VarNumberSerializer.java

@@ -0,0 +1,177 @@
+package org.geysermc.connector.utils;
+
+import io.netty.buffer.ByteBuf;
+
+import io.netty.handler.codec.DecoderException;
+
+
+
+public class VarNumberSerializer {
+
+
+
+    public static final int MAX_LENGTH = 5;
+
+
+
+    public static void writeFixedSizeVarInt(ByteBuf to, int i) {
+
+        int writerIndex = to.writerIndex();
+
+        while ((i & 0xFFFFFF80) != 0x0) {
+
+            to.writeByte(i | 0x80);
+
+            i >>>= 7;
+
+        }
+
+        int paddingBytes = MAX_LENGTH - (to.writerIndex() - writerIndex) - 1;
+
+        if (paddingBytes == 0) {
+
+            to.writeByte(i);
+
+        } else {
+
+            to.writeByte(i | 0x80);
+
+            while (--paddingBytes > 0) {
+
+                to.writeByte(0x80);
+
+            }
+
+            to.writeByte(0);
+
+        }
+
+    }
+
+
+
+    public static int readVarInt(ByteBuf from) {
+
+        int value = 0;
+
+        int length = 0;
+
+        byte part;
+
+        do {
+
+            part = from.readByte();
+
+            value |= (part & 0x7F) << (length++ * 7);
+
+            if (length > MAX_LENGTH) {
+
+                throw new DecoderException("VarInt too big");
+
+            }
+
+        } while (part < 0);
+
+        return value;
+
+    }
+
+
+
+    public static void writeVarInt(ByteBuf to, int i) {
+
+        while ((i & 0xFFFFFF80) != 0x0) {
+
+            to.writeByte(i | 0x80);
+
+            i >>>= 7;
+
+        }
+
+        to.writeByte(i);
+
+    }
+
+
+
+    public static int readSVarInt(ByteBuf from) {
+
+        int varint = readVarInt(from);
+
+        return (varint >> 1) ^ -(varint & 1);
+
+    }
+
+
+
+    public static void writeSVarInt(ByteBuf to, int varint) {
+
+        writeVarInt(to, (varint << 1) ^ (varint >> 31));
+
+    }
+
+
+
+    public static long readVarLong(ByteBuf from) {
+
+        long varlong = 0L;
+
+        int length = 0;
+
+        byte part;
+
+        do {
+
+            part = from.readByte();
+
+            varlong |= (part & 0x7F) << (length++ * 7);
+
+            if (length > 10) {
+
+                throw new RuntimeException("VarLong too big");
+
+            }
+
+        } while ((part & 0x80) == 0x80);
+
+        return varlong;
+
+    }
+
+
+
+    public static void writeVarLong(ByteBuf to, long varlong) {
+
+        while ((varlong & 0xFFFFFFFFFFFFFF80L) != 0x0L) {
+
+            to.writeByte((int) (varlong & 0x7FL) | 0x80);
+
+            varlong >>>= 7;
+
+        }
+
+        to.writeByte((int) varlong);
+
+    }
+
+
+
+    public static long readSVarLong(ByteBuf from) {
+
+        long varlong = readVarLong(from);
+
+        return (varlong >> 1) ^ -(varlong & 1);
+
+    }
+
+
+
+    public static void writeSVarLong(ByteBuf to, long varlong) {
+
+        writeVarLong(to, (varlong << 1) ^ (varlong >> 63));
+
+    }
+
+
+
+}