Start working on 23w31a

api/src/main/java/com/viaversion/viaversion/api/minecraft/metadata/ChunkPosition.java

@@ -0,0 +1,73 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2023 ViaVersion and contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package com.viaversion.viaversion.api.minecraft.metadata;
+
+import java.util.Objects;
+
+public final class ChunkPosition {
+    private final int chunkX;
+    private final int chunkZ;
+
+    public ChunkPosition(int chunkX, int chunkZ) {
+        this.chunkX = chunkX;
+        this.chunkZ = chunkZ;
+    }
+
+    public ChunkPosition(long chunkKey) {
+        this.chunkX = (int) chunkKey;
+        this.chunkZ = (int) (chunkKey >> 32);
+    }
+
+    public int chunkX() {
+        return chunkX;
+    }
+
+    public int chunkZ() {
+        return chunkZ;
+    }
+
+    public long chunkKey() {
+        return (long) chunkX & 0xffffffffL | ((long) chunkZ & 0xffffffffL) << 32;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        ChunkPosition that = (ChunkPosition) o;
+        return chunkX == that.chunkX && chunkZ == that.chunkZ;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(chunkX, chunkZ);
+    }
+
+    @Override
+    public String toString() {
+        return "ChunkPosition{" +
+                "chunkX=" + chunkX +
+                ", chunkZ=" + chunkZ +
+                '}';
+    }
+}

api/src/main/java/com/viaversion/viaversion/api/protocol/packet/State.java

@@ -27,5 +27,6 @@ public enum State {
     HANDSHAKE,
     STATUS,
     LOGIN,
-    PLAY
+    PLAY,
+    CONFIGURATION
 }

api/src/main/java/com/viaversion/viaversion/api/protocol/version/ProtocolVersion.java

@@ -84,6 +84,7 @@ public class ProtocolVersion {
     public static final ProtocolVersion v1_19_3 = register(761, "1.19.3");
     public static final ProtocolVersion v1_19_4 = register(762, "1.19.4");
     public static final ProtocolVersion v1_20 = register(763, "1.20/1.20.1", new VersionRange("1.20", 0, 1));
+    public static final ProtocolVersion v1_20_2 = register(764, 144, "1.20.2");
     public static final ProtocolVersion unknown = register(-1, "UNKNOWN");
 
     public static ProtocolVersion register(int version, String name) {

api/src/main/java/com/viaversion/viaversion/api/type/Type.java

@@ -36,6 +36,7 @@ import com.viaversion.viaversion.api.minecraft.Vector;
 import com.viaversion.viaversion.api.minecraft.Vector3f;
 import com.viaversion.viaversion.api.minecraft.VillagerData;
 import com.viaversion.viaversion.api.minecraft.item.Item;
+import com.viaversion.viaversion.api.minecraft.metadata.ChunkPosition;
 import com.viaversion.viaversion.api.type.types.ArrayType;
 import com.viaversion.viaversion.api.type.types.BooleanType;
 import com.viaversion.viaversion.api.type.types.ByteArrayType;
@@ -59,6 +60,7 @@ import com.viaversion.viaversion.api.type.types.VarIntType;
 import com.viaversion.viaversion.api.type.types.VarLongType;
 import com.viaversion.viaversion.api.type.types.VoidType;
 import com.viaversion.viaversion.api.type.types.minecraft.BlockChangeRecordType;
+import com.viaversion.viaversion.api.type.types.minecraft.ChunkPositionType;
 import com.viaversion.viaversion.api.type.types.minecraft.EulerAngleType;
 import com.viaversion.viaversion.api.type.types.minecraft.FlatItemArrayType;
 import com.viaversion.viaversion.api.type.types.minecraft.FlatItemType;
@@ -164,9 +166,9 @@ public abstract class Type<T> implements ByteBufReader<T>, ByteBufWriter<T> {
     public static final Type<Quaternion> QUATERNION = new QuaternionType();
     public static final Type<CompoundTag> NBT = new NBTType();
     public static final Type<CompoundTag[]> NBT_ARRAY = new ArrayType<>(Type.NBT);
-
     public static final Type<GlobalPosition> GLOBAL_POSITION = new GlobalPositionType();
     public static final Type<GlobalPosition> OPTIONAL_GLOBAL_POSITION = new GlobalPositionType.OptionalGlobalPositionType();
+    public static final Type<ChunkPosition> CHUNK_POSITION = new ChunkPositionType();
 
     public static final Type<BlockChangeRecord> BLOCK_CHANGE_RECORD = new BlockChangeRecordType();
     public static final Type<BlockChangeRecord[]> BLOCK_CHANGE_RECORD_ARRAY = new ArrayType<>(Type.BLOCK_CHANGE_RECORD);

api/src/main/java/com/viaversion/viaversion/api/type/types/minecraft/ChunkPositionType.java

@@ -0,0 +1,45 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2023 ViaVersion and contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package com.viaversion.viaversion.api.type.types.minecraft;
+
+import com.viaversion.viaversion.api.minecraft.metadata.ChunkPosition;
+import com.viaversion.viaversion.api.type.Type;
+import io.netty.buffer.ByteBuf;
+
+public class ChunkPositionType extends Type<ChunkPosition> {
+
+    public ChunkPositionType() {
+        super(ChunkPosition.class);
+    }
+
+    @Override
+    public ChunkPosition read(ByteBuf buffer) throws Exception {
+        final long chunkKey = Type.LONG.readPrimitive(buffer);
+        return new ChunkPosition(chunkKey);
+    }
+
+    @Override
+    public void write(ByteBuf buffer, ChunkPosition chunkPosition) throws Exception {
+        Type.LONG.writePrimitive(buffer, chunkPosition.chunkKey());
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocol/ProtocolManagerImpl.java

@@ -70,6 +70,7 @@ import com.viaversion.viaversion.protocols.protocol1_19_1to1_19.Protocol1_19_1To
 import com.viaversion.viaversion.protocols.protocol1_19_3to1_19_1.Protocol1_19_3To1_19_1;
 import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.Protocol1_19_4To1_19_3;
 import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.Protocol1_19To1_18_2;
+import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.Protocol1_20_2To1_20;
 import com.viaversion.viaversion.protocols.protocol1_20to1_19_4.Protocol1_20To1_19_4;
 import com.viaversion.viaversion.protocols.protocol1_9_1_2to1_9_3_4.Protocol1_9_1_2To1_9_3_4;
 import com.viaversion.viaversion.protocols.protocol1_9_1to1_9.Protocol1_9_1To1_9;
@@ -183,6 +184,7 @@ public class ProtocolManagerImpl implements ProtocolManager {
         registerProtocol(new Protocol1_19_4To1_19_3(), ProtocolVersion.v1_19_4, ProtocolVersion.v1_19_3);
 
         registerProtocol(new Protocol1_20To1_19_4(), ProtocolVersion.v1_20, ProtocolVersion.v1_19_4);
+        registerProtocol(new Protocol1_20_2To1_20(), ProtocolVersion.v1_20_2, ProtocolVersion.v1_20);
     }
 
     @Override

common/src/main/java/com/viaversion/viaversion/protocols/base/ServerboundLoginPackets.java

@@ -23,7 +23,9 @@ import com.viaversion.viaversion.api.protocol.packet.State;
 public enum ServerboundLoginPackets implements ServerboundPacketType {
     HELLO, // 0x00
     ENCRYPTION_KEY, // 0x01
-    CUSTOM_QUERY; // 0x02
+    CUSTOM_QUERY, // 0x02
+    CUSTOM_QUERY_ANSWER, // 0x03
+    LOGIN_ACKNOWLEDGED; // 0x04
 
     @Override
     public final int getId() {

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_2to1_20/Protocol1_20_2To1_20.java

@@ -0,0 +1,101 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2023 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocols.protocol1_20_2to1_20;
+
+import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.minecraft.entities.Entity1_19_4Types;
+import com.viaversion.viaversion.api.protocol.AbstractProtocol;
+import com.viaversion.viaversion.api.protocol.packet.State;
+import com.viaversion.viaversion.api.rewriter.EntityRewriter;
+import com.viaversion.viaversion.api.rewriter.ItemRewriter;
+import com.viaversion.viaversion.api.type.Type;
+import com.viaversion.viaversion.data.entity.EntityTrackerBase;
+import com.viaversion.viaversion.protocols.base.ClientboundLoginPackets;
+import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.ClientboundPackets1_19_4;
+import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.ServerboundPackets1_19_4;
+import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.handler.BlockItemPacketHandler1_20_2;
+import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.handler.EntityPacketHandler1_20_2;
+import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet.ClientboundPackets1_20_2;
+import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet.ServerboundPackets1_20_2;
+import com.viaversion.viaversion.rewriter.SoundRewriter;
+import com.viaversion.viaversion.rewriter.StatisticsRewriter;
+import com.viaversion.viaversion.rewriter.TagRewriter;
+
+import java.util.UUID;
+
+public final class Protocol1_20_2To1_20 extends AbstractProtocol<ClientboundPackets1_19_4, ClientboundPackets1_20_2, ServerboundPackets1_19_4, ServerboundPackets1_20_2> {
+
+    private final EntityPacketHandler1_20_2 entityPacketHandler = new EntityPacketHandler1_20_2(this);
+    private final BlockItemPacketHandler1_20_2 itemPacketHandler = new BlockItemPacketHandler1_20_2(this);
+
+    public Protocol1_20_2To1_20() {
+        // Passing the class types into the super constructor is needed for automatic packet type id remapping, but can otherwise be omitted
+        super(ClientboundPackets1_19_4.class, ClientboundPackets1_20_2.class, ServerboundPackets1_19_4.class, ServerboundPackets1_20_2.class);
+    }
+
+    @Override
+    protected void registerPackets() {
+        // TODO Stopped at ForgetLevelChunk
+        // TODO New login packets (custom query answer, login ack)
+        // TODO Handle move from and to configuration state
+        //      Game profile/serverbound ack -> configuration
+        //      Client/serverbound config finish -> play
+        // TODO New helper methods for: join game, respawn,
+        // TODO Make sure Paper/Velocity handle a 0,0 uuid fine during login
+
+        // Lesser:
+        // TODO Player info, replace profile with missing name with null?
+        // TODO Scoreboard objective probably okay, but there are refactors to the id
+        super.registerPackets();
+
+        final TagRewriter<ClientboundPackets1_19_4> tagRewriter = new TagRewriter<>(this);
+        tagRewriter.registerGeneric(ClientboundPackets1_19_4.TAGS);
+
+        final SoundRewriter<ClientboundPackets1_19_4> soundRewriter = new SoundRewriter<>(this);
+        soundRewriter.register1_19_3Sound(ClientboundPackets1_19_4.SOUND);
+        soundRewriter.registerSound(ClientboundPackets1_19_4.ENTITY_SOUND);
+
+        new StatisticsRewriter<>(this).register(ClientboundPackets1_19_4.STATISTICS);
+
+        registerClientbound(ClientboundPackets1_19_4.SCOREBOARD_OBJECTIVE, wrapper -> {
+            final byte slot = wrapper.read(Type.BYTE);
+            wrapper.write(Type.VAR_INT, (int) slot);
+        });
+
+        registerClientbound(State.LOGIN, ClientboundLoginPackets.HELLO.getId(), ClientboundLoginPackets.HELLO.getId(), wrapper -> {
+            wrapper.passthrough(Type.STRING); // Name
+            final UUID uuid = wrapper.read(Type.OPTIONAL_UUID);
+            wrapper.write(Type.UUID, uuid != null ? uuid : new UUID(0, 0));
+        });
+    }
+
+    @Override
+    public void init(final UserConnection user) {
+        addEntityTracker(user, new EntityTrackerBase(user, Entity1_19_4Types.PLAYER));
+    }
+
+    @Override
+    public EntityRewriter<Protocol1_20_2To1_20> getEntityRewriter() {
+        return entityPacketHandler;
+    }
+
+    @Override
+    public ItemRewriter<Protocol1_20_2To1_20> getItemRewriter() {
+        return itemPacketHandler;
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_2to1_20/handler/BlockItemPacketHandler1_20_2.java

@@ -0,0 +1,65 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2023 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocols.protocol1_20_2to1_20.handler;
+
+import com.viaversion.viaversion.api.minecraft.metadata.ChunkPosition;
+import com.viaversion.viaversion.api.type.Type;
+import com.viaversion.viaversion.protocols.protocol1_18to1_17_1.types.Chunk1_18Type;
+import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.ClientboundPackets1_19_4;
+import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.rewriter.RecipeRewriter1_19_4;
+import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.Protocol1_20_2To1_20;
+import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet.ServerboundPackets1_20_2;
+import com.viaversion.viaversion.rewriter.BlockRewriter;
+import com.viaversion.viaversion.rewriter.ItemRewriter;
+
+public final class BlockItemPacketHandler1_20_2 extends ItemRewriter<ClientboundPackets1_19_4, ServerboundPackets1_20_2, Protocol1_20_2To1_20> {
+
+    public BlockItemPacketHandler1_20_2(final Protocol1_20_2To1_20 protocol) {
+        super(protocol);
+    }
+
+    @Override
+    public void registerPackets() {
+        final BlockRewriter<ClientboundPackets1_19_4> blockRewriter = new BlockRewriter<>(protocol, Type.POSITION1_14);
+        blockRewriter.registerBlockAction(ClientboundPackets1_19_4.BLOCK_ACTION);
+        blockRewriter.registerBlockChange(ClientboundPackets1_19_4.BLOCK_CHANGE);
+        blockRewriter.registerVarLongMultiBlockChange1_20(ClientboundPackets1_19_4.MULTI_BLOCK_CHANGE);
+        blockRewriter.registerEffect(ClientboundPackets1_19_4.EFFECT, 1010, 2001);
+        blockRewriter.registerChunkData1_19(ClientboundPackets1_19_4.CHUNK_DATA, Chunk1_18Type::new);
+        blockRewriter.registerBlockEntityData(ClientboundPackets1_19_4.BLOCK_ENTITY_DATA);
+
+        registerSetCooldown(ClientboundPackets1_19_4.COOLDOWN);
+        registerWindowItems1_17_1(ClientboundPackets1_19_4.WINDOW_ITEMS);
+        registerSetSlot1_17_1(ClientboundPackets1_19_4.SET_SLOT);
+        registerAdvancements1_20(ClientboundPackets1_19_4.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
+        registerEntityEquipmentArray(ClientboundPackets1_19_4.ENTITY_EQUIPMENT);
+        registerClickWindow1_17_1(ServerboundPackets1_20_2.CLICK_WINDOW);
+        registerTradeList1_19(ClientboundPackets1_19_4.TRADE_LIST);
+        registerCreativeInvAction(ServerboundPackets1_20_2.CREATIVE_INVENTORY_ACTION, Type.FLAT_VAR_INT_ITEM);
+        registerWindowPropertyEnchantmentHandler(ClientboundPackets1_19_4.WINDOW_PROPERTY);
+        registerSpawnParticle1_19(ClientboundPackets1_19_4.SPAWN_PARTICLE);
+
+        new RecipeRewriter1_19_4<>(protocol).register(ClientboundPackets1_19_4.DECLARE_RECIPES);
+
+        protocol.registerClientbound(ClientboundPackets1_19_4.UNLOAD_CHUNK, wrapper -> {
+            final int x = wrapper.read(Type.INT);
+            final int z = wrapper.read(Type.INT);
+            wrapper.write(Type.CHUNK_POSITION, new ChunkPosition(x, z));
+        });
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_2to1_20/handler/EntityPacketHandler1_20_2.java

@@ -0,0 +1,122 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2023 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocols.protocol1_20_2to1_20.handler;
+
+import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
+import com.viaversion.viaversion.api.minecraft.entities.Entity1_19_4Types;
+import com.viaversion.viaversion.api.minecraft.entities.EntityType;
+import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
+import com.viaversion.viaversion.api.type.Type;
+import com.viaversion.viaversion.api.type.types.version.Types1_20;
+import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.ClientboundPackets1_19_4;
+import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.Protocol1_20_2To1_20;
+import com.viaversion.viaversion.rewriter.EntityRewriter;
+
+public final class EntityPacketHandler1_20_2 extends EntityRewriter<ClientboundPackets1_19_4, Protocol1_20_2To1_20> {
+
+    public EntityPacketHandler1_20_2(final Protocol1_20_2To1_20 protocol) {
+        super(protocol);
+    }
+
+    @Override
+    public void registerPackets() {
+        registerTrackerWithData1_19(ClientboundPackets1_19_4.SPAWN_ENTITY, Entity1_19_4Types.FALLING_BLOCK);
+        registerMetadataRewriter(ClientboundPackets1_19_4.ENTITY_METADATA, Types1_20.METADATA_LIST);
+        registerRemoveEntities(ClientboundPackets1_19_4.REMOVE_ENTITIES);
+
+        protocol.registerClientbound(ClientboundPackets1_19_4.JOIN_GAME, new PacketHandlers() {
+            @Override
+            public void register() {
+                handler(wrapper -> {
+                    // Just reorder written data, move dimension data to configuration phase
+                    wrapper.passthrough(Type.INT); // Entity id
+                    wrapper.passthrough(Type.BOOLEAN); // Hardcore
+
+                    final byte gamemode = wrapper.read(Type.UNSIGNED_BYTE).byteValue();
+                    final byte previousGamemode = wrapper.read(Type.BYTE);
+
+                    wrapper.passthrough(Type.STRING_ARRAY); // World List
+
+                    final CompoundTag dimensionRegistry = wrapper.read(Type.NBT); // TODO AAAAAAAAAAAAAAAAAAAAA
+                    final String dimensionType = wrapper.read(Type.STRING);
+                    final String world = wrapper.read(Type.STRING);
+                    final long seed = wrapper.read(Type.LONG);
+
+                    wrapper.passthrough(Type.VAR_INT); // Max players
+                    wrapper.passthrough(Type.VAR_INT); // View distance
+                    wrapper.passthrough(Type.VAR_INT); // Simulation distance
+                    wrapper.passthrough(Type.BOOLEAN); // Reduced debug info
+                    wrapper.passthrough(Type.BOOLEAN); // Show death screen
+
+                    wrapper.write(Type.STRING, dimensionType);
+                    wrapper.write(Type.STRING, world);
+                    wrapper.write(Type.LONG, seed);
+                    wrapper.write(Type.BYTE, gamemode);
+                    wrapper.write(Type.BYTE, previousGamemode);
+
+                    wrapper.passthrough(Type.BOOLEAN); // Debug
+                    wrapper.passthrough(Type.BOOLEAN); // Flat
+                    wrapper.passthrough(Type.OPTIONAL_GLOBAL_POSITION); // Last death position
+                    wrapper.passthrough(Type.VAR_INT); // Portal cooldown
+                });
+                handler(dimensionDataHandler()); // Caches dimensions to access data like height later
+                handler(biomeSizeTracker()); // Tracks the amount of biomes sent for chunk data
+                handler(worldDataTrackerHandlerByKey()); // Tracks world height and name for chunk data and entity (un)tracking
+            }
+        });
+
+        protocol.registerClientbound(ClientboundPackets1_19_4.RESPAWN, new PacketHandlers() {
+            @Override
+            public void register() {
+                handler(wrapper -> {
+                    wrapper.passthrough(Type.STRING); // Dimension type
+                    wrapper.passthrough(Type.STRING); // World
+                    wrapper.passthrough(Type.LONG); // Seed
+                    wrapper.passthrough(Type.BYTE); // Gamemode
+                    wrapper.passthrough(Type.BYTE); // Previous gamemode
+                    wrapper.passthrough(Type.BOOLEAN); // Debug
+                    wrapper.passthrough(Type.BOOLEAN); // Flat
+
+                    // Move this to the end
+                    final byte dataToKeep = wrapper.read(Type.BYTE);
+
+                    wrapper.passthrough(Type.OPTIONAL_GLOBAL_POSITION); // Last death position
+                    wrapper.passthrough(Type.VAR_INT); // Portal cooldown
+
+                    wrapper.write(Type.BYTE, dataToKeep);
+                });
+                handler(worldDataTrackerHandlerByKey()); // Tracks world height and name for chunk data and entity (un)tracking
+            }
+        });
+    }
+
+    @Override
+    protected void registerRewrites() {
+        registerMetaTypeHandler(Types1_20.META_TYPES.itemType, Types1_20.META_TYPES.blockStateType, Types1_20.META_TYPES.optionalBlockStateType, Types1_20.META_TYPES.particleType);
+
+        filter().filterFamily(Entity1_19_4Types.MINECART_ABSTRACT).index(11).handler((event, meta) -> {
+            final int blockState = meta.value();
+            meta.setValue(protocol.getMappingData().getNewBlockStateId(blockState));
+        });
+    }
+
+    @Override
+    public EntityType typeFromId(final int type) {
+        return Entity1_19_4Types.getTypeFromId(type);
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_2to1_20/packet/ClientboundConfigurationPackets1_20_2.java

@@ -0,0 +1,49 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2023 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet;
+
+import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
+import com.viaversion.viaversion.api.protocol.packet.State;
+
+public enum ClientboundConfigurationPackets1_20_2 implements ClientboundPacketType {
+
+    CUSTOM_PAYLOAD, // 0x00
+    DISCONNECT, // 0x01
+    FINISH_CONFIGURATION, // 0x02
+    KEEP_ALIVE, // 0x03
+    PING, // 0x04
+    REGISTRY_DATA, // 0x05
+    RESOURCE_PACK, // 0x06
+    UPDATE_ENABLED_FEATURES, // 0x07
+    UPDATE_TAGS; // 0x08
+
+    @Override
+    public int getId() {
+        return ordinal();
+    }
+
+    @Override
+    public String getName() {
+        return name();
+    }
+
+    @Override
+    public State state() {
+        return State.CONFIGURATION;
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_2to1_20/packet/ClientboundPackets1_20_2.java

@@ -0,0 +1,147 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2023 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet;
+
+import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
+
+public enum ClientboundPackets1_20_2 implements ClientboundPacketType {
+
+    BUNDLE, // 0x00
+    SPAWN_ENTITY, // 0x01
+    SPAWN_EXPERIENCE_ORB, // 0x02
+    SPAWN_PLAYER, // 0x03
+    ENTITY_ANIMATION, // 0x04
+    STATISTICS, // 0x05
+    BLOCK_CHANGED_ACK, // 0x06
+    BLOCK_BREAK_ANIMATION, // 0x07
+    BLOCK_ENTITY_DATA, // 0x08
+    BLOCK_ACTION, // 0x09
+    BLOCK_CHANGE, // 0x0A
+    BOSSBAR, // 0x0B
+    SERVER_DIFFICULTY, // 0x0C
+    CHUNK_BATCH_FINISHED, // 0x0D // TODO AAAAAAAAAAAAAAAAAAAAAAAAA
+    CHUNK_BATCH_START, // 0x0E // TODO AAAAAAAAAAAAAAAAAAAAAAAAA
+    CHUNK_BIOMES, // 0x0F
+    CLEAR_TITLES, // 0x10
+    TAB_COMPLETE, // 0x11
+    DECLARE_COMMANDS, // 0x12
+    CLOSE_WINDOW, // 0x13
+    WINDOW_ITEMS, // 0x14
+    WINDOW_PROPERTY, // 0x15
+    SET_SLOT, // 0x16
+    COOLDOWN, // 0x17
+    CUSTOM_CHAT_COMPLETIONS, // 0x18
+    PLUGIN_MESSAGE, // 0x19 // TODO AAAAAAAAAAAAAAAAAAAAAAAAA
+    DAMAGE_EVENT, // 0x1A
+    DELETE_CHAT_MESSAGE, // 0x1B
+    DISCONNECT, // 0x1C
+    DISGUISED_CHAT, // 0x1D
+    ENTITY_STATUS, // 0x1E
+    EXPLOSION, // 0x1F
+    UNLOAD_CHUNK, // 0x20
+    GAME_EVENT, // 0x21
+    OPEN_HORSE_WINDOW, // 0x22
+    HIT_ANIMATION, // 0x23
+    WORLD_BORDER_INIT, // 0x24
+    KEEP_ALIVE, // 0x25
+    CHUNK_DATA, // 0x26
+    EFFECT, // 0x27
+    SPAWN_PARTICLE, // 0x28
+    UPDATE_LIGHT, // 0x29
+    JOIN_GAME, // 0x2A
+    MAP_DATA, // 0x2B
+    TRADE_LIST, // 0x2C
+    ENTITY_POSITION, // 0x2D
+    ENTITY_POSITION_AND_ROTATION, // 0x2E
+    ENTITY_ROTATION, // 0x2F
+    VEHICLE_MOVE, // 0x30
+    OPEN_BOOK, // 0x31
+    OPEN_WINDOW, // 0x32
+    OPEN_SIGN_EDITOR, // 0x33
+    PING, // 0x34
+    CRAFT_RECIPE_RESPONSE, // 0x35
+    PLAYER_ABILITIES, // 0x36
+    PLAYER_CHAT, // 0x37
+    COMBAT_END, // 0x38
+    COMBAT_ENTER, // 0x39
+    COMBAT_KILL, // 0x3A
+    PLAYER_INFO_REMOVE, // 0x3B
+    PLAYER_INFO_UPDATE, // 0x3C
+    FACE_PLAYER, // 0x3D
+    PLAYER_POSITION, // 0x3E
+    UNLOCK_RECIPES, // 0x3F
+    REMOVE_ENTITIES, // 0x40
+    REMOVE_ENTITY_EFFECT, // 0x41
+    RESOURCE_PACK, // 0x42
+    RESPAWN, // 0x43
+    ENTITY_HEAD_LOOK, // 0x44
+    MULTI_BLOCK_CHANGE, // 0x45
+    SELECT_ADVANCEMENTS_TAB, // 0x46
+    SERVER_DATA, // 0x47
+    ACTIONBAR, // 0x48
+    WORLD_BORDER_CENTER, // 0x49
+    WORLD_BORDER_LERP_SIZE, // 0x4A
+    WORLD_BORDER_SIZE, // 0x4B
+    WORLD_BORDER_WARNING_DELAY, // 0x4C
+    WORLD_BORDER_WARNING_DISTANCE, // 0x4D
+    CAMERA, // 0x4E
+    HELD_ITEM_CHANGE, // 0x4F
+    UPDATE_VIEW_POSITION, // 0x50
+    UPDATE_VIEW_DISTANCE, // 0x51
+    SPAWN_POSITION, // 0x52
+    DISPLAY_SCOREBOARD, // 0x53
+    ENTITY_METADATA, // 0x54
+    ATTACH_ENTITY, // 0x55
+    ENTITY_VELOCITY, // 0x56
+    ENTITY_EQUIPMENT, // 0x57
+    SET_EXPERIENCE, // 0x58
+    UPDATE_HEALTH, // 0x59
+    SCOREBOARD_OBJECTIVE, // 0x5A
+    SET_PASSENGERS, // 0x5B
+    TEAMS, // 0x5C
+    UPDATE_SCORE, // 0x5D
+    SET_SIMULATION_DISTANCE, // 0x5E
+    TITLE_SUBTITLE, // 0x5F
+    TIME_UPDATE, // 0x60
+    TITLE_TEXT, // 0x61
+    TITLE_TIMES, // 0x62
+    ENTITY_SOUND, // 0x63
+    SOUND, // 0x64
+    START_CONFIGURATION, // 0x65 // TODO AAAAAAAAAAAAAAAAAAAAAAAAA
+    STOP_SOUND, // 0x66
+    SYSTEM_CHAT, // 0x67
+    TAB_LIST, // 0x68
+    NBT_QUERY, // 0x69
+    COLLECT_ITEM, // 0x6A
+    ENTITY_TELEPORT, // 0x6B
+    ADVANCEMENTS, // 0x6C
+    ENTITY_PROPERTIES, // 0x6D
+    ENTITY_EFFECT, // 0x6E
+    DECLARE_RECIPES, // 0x6F
+    TAGS; // 0x70
+
+    @Override
+    public int getId() {
+        return ordinal();
+    }
+
+    @Override
+    public String getName() {
+        return name();
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_2to1_20/packet/ServerboundConfigurationPackets1_20_2.java

@@ -0,0 +1,45 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2023 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet;
+
+import com.viaversion.viaversion.api.protocol.packet.ServerboundPacketType;
+import com.viaversion.viaversion.api.protocol.packet.State;
+
+public enum ServerboundConfigurationPackets1_20_2 implements ServerboundPacketType {
+
+    CUSTOM_PAYLOAD, // 0x00
+    FINISH_CONFIGURATION, // 0x01
+    KEEP_ALIVE, // 0x02
+    PONG, // 0x03
+    RESOURCE_PACK; // 0x04
+
+    @Override
+    public int getId() {
+        return ordinal();
+    }
+
+    @Override
+    public String getName() {
+        return name();
+    }
+
+    @Override
+    public State state() {
+        return State.CONFIGURATION;
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20_2to1_20/packet/ServerboundPackets1_20_2.java

@@ -0,0 +1,87 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2023 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet;
+
+import com.viaversion.viaversion.api.protocol.packet.ServerboundPacketType;
+
+public enum ServerboundPackets1_20_2 implements ServerboundPacketType {
+
+    TELEPORT_CONFIRM, // 0x00
+    QUERY_BLOCK_NBT, // 0x01
+    SET_DIFFICULTY, // 0x02
+    CHAT_ACK, // 0x03
+    CHAT_COMMAND, // 0x04
+    CHAT_MESSAGE, // 0x05
+    CHAT_SESSION_UPDATE, // 0x06
+    CHUNK_BATCH_RECEIVED, // 0x07 // TODO AAAAAAAAAAAAAAAAAAAAAAAAA
+    CLIENT_STATUS, // 0x08
+    CLIENT_SETTINGS, // 0x09
+    TAB_COMPLETE, // 0x0A
+    CONFIGURATION_ACKNOWLEDGED, // 0x0B // TODO AAAAAAAAAAAAAAAAAAAAAAAAA
+    CLICK_WINDOW_BUTTON, // 0x0C
+    CLICK_WINDOW, // 0x0D
+    CLOSE_WINDOW, // 0x0E
+    PLUGIN_MESSAGE, // 0x0F // TODO AAAAAAAAAAAAAAAAAAAAAAAAA
+    EDIT_BOOK, // 0x10
+    ENTITY_NBT_REQUEST, // 0x11
+    INTERACT_ENTITY, // 0x12
+    GENERATE_JIGSAW, // 0x13
+    KEEP_ALIVE, // 0x14
+    LOCK_DIFFICULTY, // 0x15
+    PLAYER_POSITION, // 0x16
+    PLAYER_POSITION_AND_ROTATION, // 0x17
+    PLAYER_ROTATION, // 0x18
+    PLAYER_MOVEMENT, // 0x19
+    VEHICLE_MOVE, // 0x1A
+    STEER_BOAT, // 0x1B
+    PICK_ITEM, // 0x1C
+    CRAFT_RECIPE_REQUEST, // 0x1D
+    PLAYER_ABILITIES, // 0x1E
+    PLAYER_DIGGING, // 0x1F
+    ENTITY_ACTION, // 0x20
+    STEER_VEHICLE, // 0x21
+    PONG, // 0x22
+    RECIPE_BOOK_DATA, // 0x23
+    SEEN_RECIPE, // 0x24
+    RENAME_ITEM, // 0x25
+    RESOURCE_PACK_STATUS, // 0x26
+    ADVANCEMENT_TAB, // 0x27
+    SELECT_TRADE, // 0x28
+    SET_BEACON_EFFECT, // 0x29
+    HELD_ITEM_CHANGE, // 0x2A
+    UPDATE_COMMAND_BLOCK, // 0x2B
+    UPDATE_COMMAND_BLOCK_MINECART, // 0x2C
+    CREATIVE_INVENTORY_ACTION, // 0x2D
+    UPDATE_JIGSAW_BLOCK, // 0x2E
+    UPDATE_STRUCTURE_BLOCK, // 0x2F
+    UPDATE_SIGN, // 0x30
+    ANIMATION, // 0x31
+    SPECTATE, // 0x32
+    PLAYER_BLOCK_PLACEMENT, // 0x33
+    USE_ITEM; // 0x34
+
+    @Override
+    public int getId() {
+        return ordinal();
+    }
+
+    @Override
+    public String getName() {
+        return name();
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_20to1_19_4/packets/InventoryPackets.java

@@ -67,9 +67,9 @@ public final class InventoryPackets extends ItemRewriter<ClientboundPackets1_19_
             for (int i = 0; i < size; i++) {
                 wrapper.passthrough(Type.STRING); // Identifier
 
-                // Parent
+                if (wrapper.passthrough(Type.BOOLEAN)) {
-                if (wrapper.passthrough(Type.BOOLEAN))
+                    wrapper.passthrough(Type.STRING); // Parent
-                    wrapper.passthrough(Type.STRING);
+                }
 
                 // Display data
                 if (wrapper.passthrough(Type.BOOLEAN)) {

common/src/main/java/com/viaversion/viaversion/rewriter/ItemRewriter.java

@@ -304,6 +304,43 @@ public abstract class ItemRewriter<C extends ClientboundPacketType, S extends Se
         });
     }
 
+    public void registerAdvancements1_20(C packetType, Type<Item> type) {
+        protocol.registerClientbound(packetType, wrapper -> {
+            wrapper.passthrough(Type.BOOLEAN); // Reset/clear
+            int size = wrapper.passthrough(Type.VAR_INT); // Mapping size
+            for (int i = 0; i < size; i++) {
+                wrapper.passthrough(Type.STRING); // Identifier
+
+                // Parent
+                if (wrapper.passthrough(Type.BOOLEAN))
+                    wrapper.passthrough(Type.STRING);
+
+                // Display data
+                if (wrapper.passthrough(Type.BOOLEAN)) {
+                    wrapper.passthrough(Type.COMPONENT); // Title
+                    wrapper.passthrough(Type.COMPONENT); // Description
+                    handleItemToClient(wrapper.passthrough(type)); // Icon
+                    wrapper.passthrough(Type.VAR_INT); // Frame type
+                    int flags = wrapper.passthrough(Type.INT); // Flags
+                    if ((flags & 1) != 0) {
+                        wrapper.passthrough(Type.STRING); // Background texture
+                    }
+                    wrapper.passthrough(Type.FLOAT); // X
+                    wrapper.passthrough(Type.FLOAT); // Y
+                }
+
+                wrapper.passthrough(Type.STRING_ARRAY); // Criteria
+
+                int arrayLength = wrapper.passthrough(Type.VAR_INT);
+                for (int array = 0; array < arrayLength; array++) {
+                    wrapper.passthrough(Type.STRING_ARRAY); // String array
+                }
+
+                wrapper.passthrough(Type.BOOLEAN); // Send telemetry
+            }
+        });
+    }
+
     public void registerWindowPropertyEnchantmentHandler(C packetType) {
         protocol.registerClientbound(packetType, new PacketHandlers() {
             @Override

gradle.properties

@@ -1,5 +1,5 @@
 # Project properties - we put these here so they can be modified without causing a recompile of the build scripts
-projectVersion=4.7.1-SNAPSHOT
+projectVersion=4.8.0-23w31a-SNAPSHOT
 
 # Gradle properties
 org.gradle.daemon=true