4.7.0 Release

Fixes #548

build-logic/build.gradle.kts

@@ -8,5 +8,5 @@ repositories {
 
 dependencies {
     // version must be manually kept in sync with the one in root project settings.gradle.kts
-    implementation("com.github.johnrengelman", "shadow", "8.1.0")
+    implementation("com.github.johnrengelman", "shadow", "8.1.1")
 }

build.gradle.kts

@@ -5,7 +5,7 @@ plugins {
 
 allprojects {
     group = "com.viaversion"
-    version = "4.6.0"
+    version = "4.7.0"
     description = "Allow older clients to join newer server versions."
 }
 

bukkit/src/main/java/com/viaversion/viabackwards/BukkitPlugin.java

@@ -25,7 +25,6 @@ import com.viaversion.viabackwards.listener.LecternInteractListener;
 import com.viaversion.viabackwards.listener.PlayerItemDropListener;
 import com.viaversion.viaversion.api.Via;
 import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
-import com.viaversion.viaversion.bukkit.platform.BukkitViaLoader;
 import org.bukkit.plugin.java.JavaPlugin;
 
 public class BukkitPlugin extends JavaPlugin implements ViaBackwardsPlatform {
@@ -45,19 +44,18 @@ public class BukkitPlugin extends JavaPlugin implements ViaBackwardsPlatform {
     }
 
     private void enable() {
-        BukkitViaLoader loader = (BukkitViaLoader) Via.getManager().getLoader();
         int protocolVersion = Via.getAPI().getServerVersion().highestSupportedVersion();
         if (protocolVersion >= ProtocolVersion.v1_17.getVersion()) {
-            loader.storeListener(new PlayerItemDropListener(this)).register();
+            new PlayerItemDropListener(this).register();
         }
         if (protocolVersion >= ProtocolVersion.v1_16.getVersion()) {
-            loader.storeListener(new FireExtinguishListener(this)).register();
+            new FireExtinguishListener(this).register();
         }
         if (protocolVersion >= ProtocolVersion.v1_14.getVersion()) {
-            loader.storeListener(new LecternInteractListener(this)).register();
+            new LecternInteractListener(this).register();
         }
         if (protocolVersion >= ProtocolVersion.v1_12.getVersion()) {
-            loader.storeListener(new FireDamageListener(this)).register();
+            new FireDamageListener(this).register();
         }
     }
 

common/src/main/java/com/viaversion/viabackwards/api/ViaBackwardsPlatform.java

@@ -49,6 +49,7 @@ import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.Protocol1_18_2T
 import com.viaversion.viabackwards.protocol.protocol1_18to1_18_2.Protocol1_18To1_18_2;
 import com.viaversion.viabackwards.protocol.protocol1_19_1to1_19_3.Protocol1_19_1To1_19_3;
 import com.viaversion.viabackwards.protocol.protocol1_19_3to1_19_4.Protocol1_19_3To1_19_4;
+import com.viaversion.viabackwards.protocol.protocol1_19_4to1_20.Protocol1_19_4To1_20;
 import com.viaversion.viabackwards.protocol.protocol1_19to1_19_1.Protocol1_19To1_19_1;
 import com.viaversion.viabackwards.protocol.protocol1_9_4to1_10.Protocol1_9_4To1_10;
 import com.viaversion.viaversion.api.Via;
@@ -60,7 +61,7 @@ import java.util.logging.Logger;
 
 public interface ViaBackwardsPlatform {
 
-    String MINIMUM_VV_VERSION = "4.6.0";
+    String MINIMUM_VV_VERSION = "4.7.0";
     String IMPL_VERSION = "$IMPL_VERSION";
 
     /**
@@ -123,6 +124,8 @@ public interface ViaBackwardsPlatform {
         protocolManager.registerProtocol(new Protocol1_19To1_19_1(), ProtocolVersion.v1_19, ProtocolVersion.v1_19_1);
         protocolManager.registerProtocol(new Protocol1_19_1To1_19_3(), ProtocolVersion.v1_19_1, ProtocolVersion.v1_19_3);
         protocolManager.registerProtocol(new Protocol1_19_3To1_19_4(), ProtocolVersion.v1_19_3, ProtocolVersion.v1_19_4);
+
+        protocolManager.registerProtocol(new Protocol1_19_4To1_20(), ProtocolVersion.v1_19_4, ProtocolVersion.v1_20);
     }
 
     /**

common/src/main/java/com/viaversion/viabackwards/api/rewriters/EntityRewriterBase.java

@@ -175,17 +175,29 @@ public abstract class EntityRewriterBase<C extends ClientboundPacketType, T exte
         }
     }
 
-    public void registerMetaTypeHandler(@Nullable MetaType itemType, @Nullable MetaType blockType, @Nullable MetaType particleType, @Nullable MetaType optChatType) {
+    public void registerMetaTypeHandler(
+            @Nullable MetaType itemType,
+            @Nullable MetaType blockStateType,
+            @Nullable MetaType optionalBlockStateType,
+            @Nullable MetaType particleType,
+            @Nullable MetaType componentType,
+            @Nullable MetaType optionalComponentType
+    ) {
         filter().handler((event, meta) -> {
             MetaType type = meta.metaType();
-            if (itemType != null && type == itemType) {
+            if (type == itemType) {
                 protocol.getItemRewriter().handleItemToClient(meta.value());
-            } else if (blockType != null && type == blockType) {
+            } else if (type == blockStateType) {
                 int data = meta.value();
                 meta.setValue(protocol.getMappingData().getNewBlockStateId(data));
-            } else if (particleType != null && type == particleType) {
+            } else if (type == optionalBlockStateType) {
+                int data = meta.value();
+                if (data != 0) {
+                    meta.setValue(protocol.getMappingData().getNewBlockStateId(data));
+                }
+            } else if (type == particleType) {
                 rewriteParticle(meta.value());
-            } else if (optChatType != null && type == optChatType) {
+            } else if (type == optionalComponentType || type == componentType) {
                 JsonElement text = meta.value();
                 if (text != null) {
                     protocol.getTranslatableRewriter().processText(text);

common/src/main/java/com/viaversion/viabackwards/api/rewriters/ItemRewriter.java

@@ -49,28 +49,32 @@ public class ItemRewriter<C extends ClientboundPacketType, S extends Serverbound
         CompoundTag display = item.tag() != null ? item.tag().get("display") : null;
         if (protocol.getTranslatableRewriter() != null && display != null) {
             // Handle name and lore components
-            StringTag name = display.get("Name");
-            if (name != null) {
-                String newValue = protocol.getTranslatableRewriter().processText(name.getValue()).toString();
+            Tag name = display.get("Name");
+            if (name instanceof StringTag) {
+                StringTag nameStringTag = (StringTag) name;
+                String newValue = protocol.getTranslatableRewriter().processText(nameStringTag.getValue()).toString();
                 if (!newValue.equals(name.getValue())) {
-                    saveStringTag(display, name, "Name");
+                    saveStringTag(display, nameStringTag, "Name");
                 }
 
-                name.setValue(newValue);
+                nameStringTag.setValue(newValue);
             }
 
-            ListTag lore = display.get("Lore");
-            if (lore != null) {
+            Tag lore = display.get("Lore");
+            if (lore instanceof ListTag) {
+                ListTag loreListTag = (ListTag) lore;
                 boolean changed = false;
-                for (Tag loreEntryTag : lore) {
-                    if (!(loreEntryTag instanceof StringTag)) continue;
+                for (Tag loreEntryTag : loreListTag) {
+                    if (!(loreEntryTag instanceof StringTag)) {
+                        continue;
+                    }
 
                     StringTag loreEntry = (StringTag) loreEntryTag;
                     String newValue = protocol.getTranslatableRewriter().processText(loreEntry.getValue()).toString();
                     if (!changed && !newValue.equals(loreEntry.getValue())) {
                         // Backup original lore before doing any modifications
                         changed = true;
-                        saveListTag(display, lore, "Lore");
+                        saveListTag(display, loreListTag, "Lore");
                     }
 
                     loreEntry.setValue(newValue);

common/src/main/java/com/viaversion/viabackwards/api/rewriters/TranslatableRewriter.java

@@ -110,6 +110,16 @@ public class TranslatableRewriter<C extends ClientboundPacketType> extends Compo
         });
     }
 
+    public void registerCombatKill1_20(C packetType) {
+        protocol.registerClientbound(packetType, new PacketHandlers() {
+            @Override
+            public void register() {
+                map(Type.VAR_INT); // Duration
+                handler(wrapper -> processText(wrapper.passthrough(Type.COMPONENT)));
+            }
+        });
+    }
+
     @Override
     protected void handleTranslate(JsonObject root, String translate) {
         String newTranslate = mappedTranslationKey(translate);

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_11_1to1_12/packets/ChatPackets1_12.java

@@ -29,7 +29,24 @@ import com.viaversion.viaversion.rewriter.ComponentRewriter;
 
 public class ChatPackets1_12 extends RewriterBase<Protocol1_11_1To1_12> {
 
-    private final ComponentRewriter<ClientboundPackets1_12> componentRewriter = new ComponentRewriter<ClientboundPackets1_12>() {
+    public static final ComponentRewriter<ClientboundPackets1_12> COMPONENT_REWRITER = new ComponentRewriter<ClientboundPackets1_12>() {
+        @Override
+        public void processText(JsonElement element) {
+            super.processText(element);
+            if (element == null || !element.isJsonObject()) {
+                return;
+            }
+
+            JsonObject object = element.getAsJsonObject();
+            JsonElement keybind = object.remove("keybind");
+            if (keybind == null) {
+                return;
+            }
+
+            //TODO Add nicer text for the key, also use this component rewriter in more packets
+            object.addProperty("text", keybind.getAsString());
+        }
+
         @Override
         protected void handleTranslate(JsonObject object, String translate) {
             String text = AdvancementTranslations.get(translate);
@@ -47,7 +64,7 @@ public class ChatPackets1_12 extends RewriterBase<Protocol1_11_1To1_12> {
     protected void registerPackets() {
         protocol.registerClientbound(ClientboundPackets1_12.CHAT_MESSAGE, wrapper -> {
             JsonElement element = wrapper.passthrough(Type.COMPONENT);
-            componentRewriter.processText(element);
+            COMPONENT_REWRITER.processText(element);
         });
     }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_11_1to1_12/packets/EntityPackets1_12.java

@@ -28,10 +28,12 @@ import com.viaversion.viaversion.api.minecraft.entities.Entity1_12Types;
 import com.viaversion.viaversion.api.minecraft.entities.EntityType;
 import com.viaversion.viaversion.api.minecraft.metadata.Metadata;
 import com.viaversion.viaversion.api.minecraft.metadata.types.MetaType1_12;
+import com.viaversion.viaversion.api.minecraft.metadata.types.MetaType1_9;
 import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
 import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
 import com.viaversion.viaversion.api.type.Type;
 import com.viaversion.viaversion.api.type.types.version.Types1_12;
+import com.viaversion.viaversion.libs.gson.JsonElement;
 import com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag;
 import com.viaversion.viaversion.protocols.protocol1_12to1_11_1.ClientboundPackets1_12;
 import com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.ClientboundPackets1_9_3;
@@ -205,6 +207,12 @@ public class EntityPackets1_12 extends LegacyEntityRewriter<ClientboundPackets1_
         mapEntityTypeWithData(Entity1_12Types.EntityType.PARROT, Entity1_12Types.EntityType.BAT).plainName().spawnMetadata(storage -> storage.add(new Metadata(12, MetaType1_12.Byte, (byte) 0x00)));
         mapEntityTypeWithData(Entity1_12Types.EntityType.ILLUSION_ILLAGER, Entity1_12Types.EntityType.EVOCATION_ILLAGER).plainName();
 
+        filter().handler((event, meta) -> {
+            if (meta.metaType() == MetaType1_12.Chat) {
+                ChatPackets1_12.COMPONENT_REWRITER.processText((JsonElement) meta.getValue());
+            }
+        });
+
         // Handle Illager
         filter().filterFamily(Entity1_12Types.EntityType.EVOCATION_ILLAGER).cancel(12);
         filter().filterFamily(Entity1_12Types.EntityType.EVOCATION_ILLAGER).index(13).toIndex(12);

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_12_2to1_13/Protocol1_12_2To1_13.java

@@ -35,19 +35,43 @@ import com.viaversion.viaversion.api.Via;
 import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.api.minecraft.entities.Entity1_13Types;
 import com.viaversion.viaversion.data.entity.EntityTrackerBase;
+import com.viaversion.viaversion.libs.gson.JsonElement;
 import com.viaversion.viaversion.libs.gson.JsonObject;
+import com.viaversion.viaversion.libs.gson.JsonParser;
+import com.viaversion.viaversion.libs.kyori.adventure.text.Component;
+import com.viaversion.viaversion.libs.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
 import com.viaversion.viaversion.protocols.protocol1_12_1to1_12.ClientboundPackets1_12_1;
 import com.viaversion.viaversion.protocols.protocol1_12_1to1_12.ServerboundPackets1_12_1;
+import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ChatRewriter;
 import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ClientboundPackets1_13;
 import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.Protocol1_13To1_12_2;
 import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ServerboundPackets1_13;
 import com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
+import org.checkerframework.checker.nullness.qual.Nullable;
 
 public class Protocol1_12_2To1_13 extends BackwardsProtocol<ClientboundPackets1_13, ClientboundPackets1_12_1, ServerboundPackets1_13, ServerboundPackets1_12_1> {
 
     public static final BackwardsMappings MAPPINGS = new BackwardsMappings();
     private final EntityPackets1_13 entityRewriter = new EntityPackets1_13(this);
     private final BlockItemPackets1_13 blockItemPackets = new BlockItemPackets1_13(this);
+    private final TranslatableRewriter<ClientboundPackets1_13> translatableRewriter = new TranslatableRewriter<ClientboundPackets1_13>(this) {
+        @Override
+        protected void handleTranslate(JsonObject root, String translate) {
+            String mappedKey = mappedTranslationKey(translate);
+            if (mappedKey != null || (mappedKey = getMappingData().getTranslateMappings().get(translate)) != null) {
+                root.addProperty("translate", mappedKey);
+            }
+        }
+    };
+    private final TranslatableRewriter<ClientboundPackets1_13> translatableToLegacyRewriter = new TranslatableRewriter<ClientboundPackets1_13>(this) {
+        @Override
+        protected void handleTranslate(JsonObject root, String translate) {
+            String mappedKey = mappedTranslationKey(translate);
+            if (mappedKey != null || (mappedKey = getMappingData().getTranslateMappings().get(translate)) != null) {
+                root.addProperty("translate", Protocol1_13To1_12_2.MAPPINGS.getMojangTranslation().getOrDefault(mappedKey, mappedKey));
+            }
+        }
+    };
 
     public Protocol1_12_2To1_13() {
         super(ClientboundPackets1_13.class, ClientboundPackets1_12_1.class, ServerboundPackets1_13.class, ServerboundPackets1_12_1.class);
@@ -61,15 +85,6 @@ public class Protocol1_12_2To1_13 extends BackwardsProtocol<ClientboundPackets1_
             Via.getManager().getProviders().register(BackwardsBlockEntityProvider.class, new BackwardsBlockEntityProvider());
         });
 
-        TranslatableRewriter<ClientboundPackets1_13> translatableRewriter = new TranslatableRewriter<ClientboundPackets1_13>(this) {
-            @Override
-            protected void handleTranslate(JsonObject root, String translate) {
-                String newTranslate = mappedTranslationKey(translate);
-                if (newTranslate != null || (newTranslate = getMappingData().getTranslateMappings().get(translate)) != null) {
-                    root.addProperty("translate", newTranslate);
-                }
-            }
-        };
         translatableRewriter.registerPing();
         translatableRewriter.registerBossBar(ClientboundPackets1_13.BOSSBAR);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_13.CHAT_MESSAGE);
@@ -126,4 +141,39 @@ public class Protocol1_12_2To1_13 extends BackwardsProtocol<ClientboundPackets1_
     public BlockItemPackets1_13 getItemRewriter() {
         return blockItemPackets;
     }
+
+    // Don't override the parent method
+    public TranslatableRewriter<ClientboundPackets1_13> translatableRewriter() {
+        return translatableRewriter;
+    }
+
+    public String jsonToLegacy(String value) {
+        if (value.isEmpty()) {
+            return "";
+        }
+
+        try {
+            return jsonToLegacy(JsonParser.parseString(value));
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return "";
+    }
+
+    public String jsonToLegacy(@Nullable JsonElement value) {
+        if (value == null || value.isJsonNull()) {
+            return "";
+        }
+
+        translatableToLegacyRewriter.processText(value);
+
+        try {
+            Component component = ChatRewriter.HOVER_GSON_SERIALIZER.deserializeFromTree(value);
+            return LegacyComponentSerializer.legacySection().serialize(component);
+        } catch (Exception e) {
+            ViaBackwards.getPlatform().getLogger().warning("Error converting json text to legacy: " + value);
+            e.printStackTrace();
+        }
+        return "";
+    }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_12_2to1_13/packets/BlockItemPackets1_13.java

@@ -56,6 +56,7 @@ import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.data.SpawnEggRew
 import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.types.Chunk1_13Type;
 import com.viaversion.viaversion.protocols.protocol1_9_1_2to1_9_3_4.types.Chunk1_9_3_4Type;
 import com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
+import com.viaversion.viaversion.util.Key;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -549,7 +550,7 @@ public class BlockItemPackets1_13 extends com.viaversion.viabackwards.api.rewrit
                 StringTag name = display.get("Name");
                 if (name != null) {
                     display.put(extraNbtTag + "|Name", new StringTag(name.getValue()));
-                    name.setValue(ChatRewriter.jsonToLegacyText(name.getValue()));
+                    name.setValue(protocol.jsonToLegacy(name.getValue()));
                 }
             }
 
@@ -634,7 +635,7 @@ public class BlockItemPackets1_13 extends com.viaversion.viabackwards.api.rewrit
                 lore.add(new StringTag(mappedEnchantmentId + " " + EnchantmentRewriter.getRomanNumber(level)));
                 noMapped.add(enchantmentEntry);
             } else if (!newId.isEmpty()) {
-                Short oldId = Protocol1_13To1_12_2.MAPPINGS.getOldEnchantmentsIds().inverse().get(newId);
+                Short oldId = Protocol1_13To1_12_2.MAPPINGS.getOldEnchantmentsIds().inverse().get(Key.stripMinecraftNamespace(newId));
                 if (oldId == null) {
                     if (!newId.startsWith("viaversion:legacy/")) {
                         // Custom enchant (?)

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_12_2to1_13/packets/EntityPackets1_13.java

@@ -37,9 +37,9 @@ import com.viaversion.viaversion.api.type.Type;
 import com.viaversion.viaversion.api.type.types.Particle;
 import com.viaversion.viaversion.api.type.types.version.Types1_12;
 import com.viaversion.viaversion.api.type.types.version.Types1_13;
+import com.viaversion.viaversion.libs.gson.JsonElement;
 import com.viaversion.viaversion.protocols.protocol1_12_1to1_12.ClientboundPackets1_12_1;
 import com.viaversion.viaversion.protocols.protocol1_12_1to1_12.ServerboundPackets1_12_1;
-import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ChatRewriter;
 import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ClientboundPackets1_13;
 import java.util.Optional;
 
@@ -277,37 +277,22 @@ public class EntityPackets1_13 extends LegacyEntityRewriter<ClientboundPackets1_
         // Rewrite Meta types
         filter().handler((event, meta) -> {
             int typeId = meta.metaType().typeId();
-
-            // Rewrite optional chat to string
-            if (typeId == 5) {
-                // Json -> Legacy is done below
-                meta.setTypeAndValue(MetaType1_12.String, meta.getValue() != null ? meta.getValue().toString() : "");
-            }
-
-            // Rewrite items
-            else if (typeId == 6) {
+            if (typeId == 4) {
+                JsonElement element = meta.value();
+                protocol.translatableRewriter().processText(element);
+                meta.setMetaType(MetaType1_12.Chat);
+            } else if (typeId == 5) {
+                // Rewrite optional chat to string
+                JsonElement element = meta.value();
+                meta.setTypeAndValue(MetaType1_12.String, protocol.jsonToLegacy(element));
+            } else if (typeId == 6) {
                 Item item = (Item) meta.getValue();
                 meta.setTypeAndValue(MetaType1_12.Slot, protocol.getItemRewriter().handleItemToClient(item));
-            }
-
-            // Discontinue particles
-            else if (typeId == 15) {
+            } else if (typeId == 15) {
+                // Discontinue particles
                 event.cancel();
-            }
-
-            // Rewrite to 1.12 ids
-            else if (typeId > 5) {
-                meta.setMetaType(MetaType1_12.byId(
-                        typeId - 1
-                ));
-            }
-        });
-
-        // Rewrite Custom Name from Chat to String
-        filter().filterFamily(Entity1_13Types.EntityType.ENTITY).index(2).handler((event, meta) -> {
-            String value = meta.getValue().toString();
-            if (!value.isEmpty()) {
-                meta.setValue(ChatRewriter.jsonToLegacyText(value));
+            } else {
+                meta.setMetaType(MetaType1_12.byId(typeId > 5 ? typeId - 1 : typeId));
             }
         });
 

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_12_2to1_13/packets/PlayerPacket1_13.java

@@ -35,7 +35,6 @@ import com.viaversion.viaversion.api.type.Type;
 import com.viaversion.viaversion.libs.gson.JsonElement;
 import com.viaversion.viaversion.protocols.protocol1_12_1to1_12.ClientboundPackets1_12_1;
 import com.viaversion.viaversion.protocols.protocol1_12_1to1_12.ServerboundPackets1_12_1;
-import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ChatRewriter;
 import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ClientboundPackets1_13;
 import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ServerboundPackets1_13;
 import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.packets.InventoryPackets;
@@ -202,13 +201,13 @@ public class PlayerPacket1_13 extends RewriterBase<Protocol1_12_2To1_13> {
                 handler(wrapper -> {
                     byte mode = wrapper.get(Type.BYTE, 0);
                     if (mode == 0 || mode == 2) {
-                        String value = wrapper.read(Type.COMPONENT).toString();
-                        value = ChatRewriter.jsonToLegacyText(value);
-                        if (value.length() > 32) {
-                            value = value.substring(0, 32);
+                        JsonElement value = wrapper.read(Type.COMPONENT);
+                        String legacyValue = protocol.jsonToLegacy(value);
+                        if (legacyValue.length() > 32) {
+                            legacyValue = legacyValue.substring(0, 32);
                         }
 
-                        wrapper.write(Type.STRING, value);
+                        wrapper.write(Type.STRING, legacyValue);
                         int type = wrapper.read(Type.VAR_INT);
                         wrapper.write(Type.STRING, type == 1 ? "hearts" : "integer");
                     }
@@ -225,7 +224,7 @@ public class PlayerPacket1_13 extends RewriterBase<Protocol1_12_2To1_13> {
                     byte action = wrapper.get(Type.BYTE, 0);
                     if (action == 0 || action == 2) {
                         JsonElement displayName = wrapper.read(Type.COMPONENT);
-                        String legacyTextDisplayName = displayName == null || displayName.isJsonNull() ? "" : ChatRewriter.jsonToLegacyText(displayName.toString());
+                        String legacyTextDisplayName = protocol.jsonToLegacy(displayName);
                         legacyTextDisplayName = ChatUtil.removeUnusedColor(legacyTextDisplayName, 'f');
                         if (legacyTextDisplayName.length() > 32) {
                             legacyTextDisplayName = legacyTextDisplayName.substring(0, 32);
@@ -244,7 +243,7 @@ public class PlayerPacket1_13 extends RewriterBase<Protocol1_12_2To1_13> {
                         JsonElement prefixComponent = wrapper.read(Type.COMPONENT);
                         JsonElement suffixComponent = wrapper.read(Type.COMPONENT);
 
-                        String prefix = prefixComponent == null || prefixComponent.isJsonNull() ? "" : ChatRewriter.jsonToLegacyText(prefixComponent.toString());
+                        String prefix = protocol.jsonToLegacy(prefixComponent);
                         if (ViaBackwards.getConfig().addTeamColorTo1_13Prefix()) {
                             prefix += "§" + (colour > -1 && colour <= 15 ? Integer.toHexString(colour) : "r");
                         }
@@ -253,7 +252,7 @@ public class PlayerPacket1_13 extends RewriterBase<Protocol1_12_2To1_13> {
                         if (prefix.length() > 16) prefix = prefix.substring(0, 16);
                         if (prefix.endsWith("§")) prefix = prefix.substring(0, prefix.length() - 1);
 
-                        String suffix = suffixComponent == null || suffixComponent.isJsonNull() ? "" : ChatRewriter.jsonToLegacyText(suffixComponent.toString());
+                        String suffix = protocol.jsonToLegacy(suffixComponent);
                         suffix = ChatUtil.removeUnusedColor(suffix, '\0'); // Don't remove white coloring
                         if (suffix.length() > 16) suffix = suffix.substring(0, 16);
                         if (suffix.endsWith("§")) suffix = suffix.substring(0, suffix.length() - 1);

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_13_2to1_14/Protocol1_13_2To1_14.java

@@ -70,7 +70,6 @@ public class Protocol1_13_2To1_14 extends BackwardsProtocol<ClientboundPackets1_
 
         cancelClientbound(ClientboundPackets1_14.UPDATE_VIEW_POSITION);
         cancelClientbound(ClientboundPackets1_14.UPDATE_VIEW_DISTANCE);
-        cancelClientbound(ClientboundPackets1_14.ACKNOWLEDGE_PLAYER_DIGGING);
 
         registerClientbound(ClientboundPackets1_14.TAGS, wrapper -> {
             int blockTagsSize = wrapper.passthrough(Type.VAR_INT);

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_13_2to1_14/packets/EntityPackets1_14.java

@@ -31,8 +31,6 @@ import com.viaversion.viaversion.api.minecraft.VillagerData;
 import com.viaversion.viaversion.api.minecraft.entities.Entity1_13Types;
 import com.viaversion.viaversion.api.minecraft.entities.Entity1_14Types;
 import com.viaversion.viaversion.api.minecraft.entities.EntityType;
-import com.viaversion.viaversion.api.minecraft.item.Item;
-import com.viaversion.viaversion.api.minecraft.metadata.MetaType;
 import com.viaversion.viaversion.api.minecraft.metadata.Metadata;
 import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
 import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
@@ -348,18 +346,11 @@ public class EntityPackets1_14 extends LegacyEntityRewriter<ClientboundPackets1_
             if (typeId <= 15) {
                 meta.setMetaType(Types1_13_2.META_TYPES.byId(typeId));
             }
-
-            MetaType type = meta.metaType();
-
-            if (type == Types1_13_2.META_TYPES.itemType) {
-                Item item = (Item) meta.getValue();
-                meta.setValue(protocol.getItemRewriter().handleItemToClient(item));
-            } else if (type == Types1_13_2.META_TYPES.blockStateType) {
-                int blockstate = meta.value();
-                meta.setValue(protocol.getMappingData().getNewBlockStateId(blockstate));
-            }
         });
 
+        registerMetaTypeHandler(Types1_13_2.META_TYPES.itemType, Types1_13_2.META_TYPES.blockStateType, null, null,
+                Types1_13_2.META_TYPES.componentType, Types1_13_2.META_TYPES.optionalComponentType);
+
         filter().type(Entity1_14Types.PILLAGER).cancel(15);
 
         filter().type(Entity1_14Types.FOX).cancel(15);

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_13to1_13_1/Protocol1_13To1_13_1.java

@@ -49,6 +49,7 @@ public class Protocol1_13To1_13_1 extends BackwardsProtocol<ClientboundPackets1_
     public static final BackwardsMappings MAPPINGS = new BackwardsMappings("1.13.2", "1.13", Protocol1_13_1To1_13.class);
     private final EntityPackets1_13_1 entityRewriter = new EntityPackets1_13_1(this);
     private final InventoryPackets1_13_1 itemRewriter = new InventoryPackets1_13_1(this);
+    private final TranslatableRewriter<ClientboundPackets1_13> translatableRewriter = new TranslatableRewriter<>(this);
 
     public Protocol1_13To1_13_1() {
         super(ClientboundPackets1_13.class, ClientboundPackets1_13.class, ServerboundPackets1_13.class, ServerboundPackets1_13.class);
@@ -60,7 +61,6 @@ public class Protocol1_13To1_13_1 extends BackwardsProtocol<ClientboundPackets1_
 
         WorldPackets1_13_1.register(this);
 
-        TranslatableRewriter<ClientboundPackets1_13> translatableRewriter = new TranslatableRewriter<>(this);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_13.CHAT_MESSAGE);
         translatableRewriter.registerCombatEvent(ClientboundPackets1_13.COMBAT_EVENT);
         translatableRewriter.registerDisconnect(ClientboundPackets1_13.DISCONNECT);
@@ -227,4 +227,8 @@ public class Protocol1_13To1_13_1 extends BackwardsProtocol<ClientboundPackets1_
     public InventoryPackets1_13_1 getItemRewriter() {
         return itemRewriter;
     }
+
+    public TranslatableRewriter<ClientboundPackets1_13> translatableRewriter() {
+        return translatableRewriter;
+    }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_13to1_13_1/packets/EntityPackets1_13_1.java

@@ -28,6 +28,7 @@ import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
 import com.viaversion.viaversion.api.type.Type;
 import com.viaversion.viaversion.api.type.types.Particle;
 import com.viaversion.viaversion.api.type.types.version.Types1_13;
+import com.viaversion.viaversion.libs.gson.JsonElement;
 import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ClientboundPackets1_13;
 import java.util.List;
 
@@ -139,6 +140,9 @@ public class EntityPackets1_13_1 extends LegacyEntityRewriter<ClientboundPackets
                 meta.setValue(protocol.getMappingData().getNewBlockStateId(data));
             } else if (meta.metaType() == Types1_13.META_TYPES.particleType) {
                 rewriteParticle((Particle) meta.getValue());
+            } else if (meta.metaType() == Types1_13.META_TYPES.optionalComponentType || meta.metaType() == Types1_13.META_TYPES.componentType) {
+                JsonElement element = meta.value();
+                protocol.translatableRewriter().processText(element);
             }
         });
 

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_14_3to1_14_4/Protocol1_14_3To1_14_4.java

@@ -20,19 +20,20 @@ package com.viaversion.viabackwards.protocol.protocol1_14_3to1_14_4;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
 import com.viaversion.viaversion.api.type.Type;
+import com.viaversion.viaversion.protocols.protocol1_14_4to1_14_3.ClientboundPackets1_14_4;
 import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.ClientboundPackets1_14;
 import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.ServerboundPackets1_14;
 
-public class Protocol1_14_3To1_14_4 extends BackwardsProtocol<ClientboundPackets1_14, ClientboundPackets1_14, ServerboundPackets1_14, ServerboundPackets1_14> {
+public class Protocol1_14_3To1_14_4 extends BackwardsProtocol<ClientboundPackets1_14_4, ClientboundPackets1_14, ServerboundPackets1_14, ServerboundPackets1_14> {
 
     public Protocol1_14_3To1_14_4() {
-        super(ClientboundPackets1_14.class, ClientboundPackets1_14.class, ServerboundPackets1_14.class, ServerboundPackets1_14.class);
+        super(ClientboundPackets1_14_4.class, ClientboundPackets1_14.class, ServerboundPackets1_14.class, ServerboundPackets1_14.class);
     }
 
     @Override
     protected void registerPackets() {
         // Acknowledge Player Digging - added in pre4
-        registerClientbound(ClientboundPackets1_14.ACKNOWLEDGE_PLAYER_DIGGING, ClientboundPackets1_14.BLOCK_CHANGE, new PacketHandlers() {
+        registerClientbound(ClientboundPackets1_14_4.ACKNOWLEDGE_PLAYER_DIGGING, ClientboundPackets1_14.BLOCK_CHANGE, new PacketHandlers() {
             @Override
             public void register() {
                 map(Type.POSITION1_14);
@@ -47,7 +48,7 @@ public class Protocol1_14_3To1_14_4 extends BackwardsProtocol<ClientboundPackets
             }
         });
 
-        registerClientbound(ClientboundPackets1_14.TRADE_LIST, wrapper -> {
+        registerClientbound(ClientboundPackets1_14_4.TRADE_LIST, wrapper -> {
             wrapper.passthrough(Type.VAR_INT);
             int size = wrapper.passthrough(Type.UNSIGNED_BYTE);
             for (int i = 0; i < size; i++) {

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_14_4to1_15/Protocol1_14_4To1_15.java

@@ -31,14 +31,14 @@ import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
 import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
 import com.viaversion.viaversion.api.type.Type;
 import com.viaversion.viaversion.data.entity.EntityTrackerBase;
-import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.ClientboundPackets1_14;
+import com.viaversion.viaversion.protocols.protocol1_14_4to1_14_3.ClientboundPackets1_14_4;
 import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.ServerboundPackets1_14;
 import com.viaversion.viaversion.protocols.protocol1_15to1_14_4.ClientboundPackets1_15;
 import com.viaversion.viaversion.protocols.protocol1_15to1_14_4.Protocol1_15To1_14_4;
 import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
 
-public class Protocol1_14_4To1_15 extends BackwardsProtocol<ClientboundPackets1_15, ClientboundPackets1_14, ServerboundPackets1_14, ServerboundPackets1_14> {
+public class Protocol1_14_4To1_15 extends BackwardsProtocol<ClientboundPackets1_15, ClientboundPackets1_14_4, ServerboundPackets1_14, ServerboundPackets1_14> {
 
     public static final BackwardsMappings MAPPINGS = new BackwardsMappings("1.15", "1.14", Protocol1_15To1_14_4.class);
     private final EntityPackets1_15 entityRewriter = new EntityPackets1_15(this);
@@ -46,7 +46,7 @@ public class Protocol1_14_4To1_15 extends BackwardsProtocol<ClientboundPackets1_
     private final TranslatableRewriter<ClientboundPackets1_15> translatableRewriter = new TranslatableRewriter<>(this);
 
     public Protocol1_14_4To1_15() {
-        super(ClientboundPackets1_15.class, ClientboundPackets1_14.class, ServerboundPackets1_14.class, ServerboundPackets1_14.class);
+        super(ClientboundPackets1_15.class, ClientboundPackets1_14_4.class, ServerboundPackets1_14.class, ServerboundPackets1_14.class);
     }
 
     @Override
@@ -76,7 +76,7 @@ public class Protocol1_14_4To1_15 extends BackwardsProtocol<ClientboundPackets1_
                 map(Type.FLOAT); // y
                 map(Type.FLOAT); // z
                 handler(wrapper -> {
-                    PacketWrapper soundPacket = wrapper.create(ClientboundPackets1_14.SOUND);
+                    PacketWrapper soundPacket = wrapper.create(ClientboundPackets1_14_4.SOUND);
                     soundPacket.write(Type.VAR_INT, 243); // entity.generic.explode
                     soundPacket.write(Type.VAR_INT, 4); // blocks category
                     soundPacket.write(Type.INT, toEffectCoordinate(wrapper.get(Type.FLOAT, 0))); // x

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_14_4to1_15/packets/EntityPackets1_15.java

@@ -192,7 +192,8 @@ public class EntityPackets1_15 extends EntityRewriter<ClientboundPackets1_15, Pr
 
     @Override
     protected void registerRewrites() {
-        registerMetaTypeHandler(Types1_14.META_TYPES.itemType, Types1_14.META_TYPES.blockStateType, Types1_14.META_TYPES.particleType, null);
+        registerMetaTypeHandler(Types1_14.META_TYPES.itemType, Types1_14.META_TYPES.blockStateType, null, Types1_14.META_TYPES.particleType,
+                Types1_14.META_TYPES.componentType, Types1_14.META_TYPES.optionalComponentType);
 
         filter().filterFamily(Entity1_15Types.LIVINGENTITY).removeIndex(12);
 

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_16_1to1_16_2/packets/EntityPackets1_16_2.java

@@ -100,7 +100,7 @@ public class EntityPackets1_16_2 extends EntityRewriter<ClientboundPackets1_16_2
                 map(Type.LONG); // Seed
                 handler(wrapper -> {
                     int maxPlayers = wrapper.read(Type.VAR_INT);
-                    wrapper.write(Type.UNSIGNED_BYTE, (short) Math.max(maxPlayers, 255));
+                    wrapper.write(Type.UNSIGNED_BYTE, (short) Math.min(maxPlayers, 255));
                 });
                 // ...
                 handler(getTrackerHandler(Entity1_16_2Types.PLAYER, Type.INT));
@@ -122,8 +122,8 @@ public class EntityPackets1_16_2 extends EntityRewriter<ClientboundPackets1_16_2
 
     @Override
     protected void registerRewrites() {
-        registerMetaTypeHandler(Types1_16.META_TYPES.itemType, Types1_16.META_TYPES.blockStateType,
-                Types1_16.META_TYPES.particleType, Types1_16.META_TYPES.optionalComponentType);
+        registerMetaTypeHandler(Types1_16.META_TYPES.itemType, Types1_16.META_TYPES.blockStateType, null,
+                Types1_16.META_TYPES.particleType, Types1_16.META_TYPES.componentType, Types1_16.META_TYPES.optionalComponentType);
 
         mapTypes(Entity1_16_2Types.values(), Entity1_16Types.class);
         mapEntityTypeWithData(Entity1_16_2Types.PIGLIN_BRUTE, Entity1_16_2Types.PIGLIN).jsonName();

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_16_4to1_17/Protocol1_16_4To1_17.java

@@ -53,6 +53,7 @@ import java.util.Map;
 public final class Protocol1_16_4To1_17 extends BackwardsProtocol<ClientboundPackets1_17, ClientboundPackets1_16_2, ServerboundPackets1_17, ServerboundPackets1_16_2> {
 
     public static final BackwardsMappings MAPPINGS = new BackwardsMappings("1.17", "1.16.2", Protocol1_17To1_16_4.class);
+    private static final RegistryType[] TAG_REGISTRY_TYPES = {RegistryType.BLOCK, RegistryType.ITEM, RegistryType.FLUID, RegistryType.ENTITY};
     private static final int[] EMPTY_ARRAY = {};
     private final EntityPackets1_17 entityRewriter = new EntityPackets1_17(this);
     private final BlockItemPackets1_17 blockItemPackets = new BlockItemPackets1_17(this);
@@ -98,8 +99,14 @@ public final class Protocol1_16_4To1_17 extends BackwardsProtocol<ClientboundPac
             }
 
             // Put them into the hardcoded order of Vanilla tags (and only those), rewrite ids
-            for (RegistryType type : RegistryType.getValues()) {
+            for (RegistryType type : TAG_REGISTRY_TYPES) {
                 List<TagData> tagList = tags.get(type.resourceLocation());
+                if (tagList == null) {
+                    // Higher versions may not send the otherwise expected tags
+                    wrapper.write(Type.VAR_INT, 0);
+                    continue;
+                }
+
                 IdRewriteFunction rewriter = tagRewriter.getRewriter(type);
 
                 wrapper.write(Type.VAR_INT, tagList.size());
@@ -120,11 +127,6 @@ public final class Protocol1_16_4To1_17 extends BackwardsProtocol<ClientboundPac
                     wrapper.write(Type.STRING, tagData.identifier());
                     wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, entries);
                 }
-
-                // Stop after the entity types
-                if (type == RegistryType.ENTITY) {
-                    break;
-                }
             }
         });
 

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_16_4to1_17/packets/EntityPackets1_17.java

@@ -180,7 +180,8 @@ public final class EntityPackets1_17 extends EntityRewriter<ClientboundPackets1_
         });
 
         // Particles have already been handled
-        registerMetaTypeHandler(Types1_16.META_TYPES.itemType, Types1_16.META_TYPES.blockStateType, null, Types1_16.META_TYPES.optionalComponentType);
+        registerMetaTypeHandler(Types1_16.META_TYPES.itemType, Types1_16.META_TYPES.blockStateType, null, null,
+                Types1_16.META_TYPES.componentType, Types1_16.META_TYPES.optionalComponentType);
 
         mapTypes(Entity1_17Types.values(), Entity1_16_2Types.class);
         filter().type(Entity1_17Types.AXOLOTL).cancel(17);

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_17_1to1_18/packets/EntityPackets1_18.java

@@ -117,7 +117,8 @@ public final class EntityPackets1_18 extends EntityRewriter<ClientboundPackets1_
         });
 
         // Particles have already been handled
-        registerMetaTypeHandler(Types1_17.META_TYPES.itemType, null, null, Types1_17.META_TYPES.optionalComponentType);
+        registerMetaTypeHandler(Types1_17.META_TYPES.itemType, null, null, null,
+                Types1_17.META_TYPES.componentType, Types1_17.META_TYPES.optionalComponentType);
     }
 
     @Override

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_18_2to1_19/data/BackwardsMappings.java

@@ -42,7 +42,7 @@ public final class BackwardsMappings extends com.viaversion.viabackwards.api.dat
         super.loadExtras(data);
 
         try {
-            final ListTag chatTypes = BinaryTagIO.readCompressedInputStream(VBMappingDataLoader.getResource("chat-types-1.19.1.nbt")).get("values");
+            final ListTag chatTypes = BinaryTagIO.readInputStream(VBMappingDataLoader.getResource("chat-types-1.19.1.nbt")).get("values");
             for (final Tag chatType : chatTypes) {
                 final CompoundTag chatTypeCompound = (CompoundTag) chatType;
                 final NumberTag idTag = chatTypeCompound.get("id");

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_18_2to1_19/packets/EntityPackets1_19.java

@@ -269,7 +269,8 @@ public final class EntityPackets1_19 extends EntityRewriter<ClientboundPackets1_
             }
         });
 
-        registerMetaTypeHandler(Types1_18.META_TYPES.itemType, Types1_18.META_TYPES.blockStateType, null, Types1_18.META_TYPES.optionalComponentType);
+        registerMetaTypeHandler(Types1_18.META_TYPES.itemType, Types1_18.META_TYPES.blockStateType, null, null,
+                Types1_18.META_TYPES.componentType, Types1_18.META_TYPES.optionalComponentType);
 
         filter().filterFamily(Entity1_19Types.MINECART_ABSTRACT).index(11).handler((event, meta) -> {
             final int data = (int) meta.getValue();

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19_1to1_19_3/packets/EntityPackets1_19_3.java

@@ -230,7 +230,8 @@ public final class EntityPackets1_19_3 extends EntityRewriter<ClientboundPackets
                 meta.setMetaType(Types1_19.META_TYPES.byId(id));
             }
         });
-        registerMetaTypeHandler(Types1_19.META_TYPES.itemType, Types1_19.META_TYPES.blockStateType, Types1_19.META_TYPES.particleType, Types1_19.META_TYPES.optionalComponentType);
+        registerMetaTypeHandler(Types1_19.META_TYPES.itemType, Types1_19.META_TYPES.blockStateType, null, Types1_19.META_TYPES.particleType,
+                Types1_19.META_TYPES.componentType, Types1_19.META_TYPES.optionalComponentType);
 
         filter().index(6).handler((event, meta) -> {
             // Sitting pose added

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19_3to1_19_4/Protocol1_19_3To1_19_4.java

@@ -1,5 +1,5 @@
 /*
- * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
  * Copyright (C) 2023 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
@@ -35,6 +35,7 @@ import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.ClientboundPac
 import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.Protocol1_19_4To1_19_3;
 import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.ServerboundPackets1_19_4;
 import com.viaversion.viaversion.rewriter.CommandRewriter;
+import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
 import java.nio.charset.StandardCharsets;
 import java.util.Base64;
@@ -98,6 +99,8 @@ public final class Protocol1_19_3To1_19_4 extends BackwardsProtocol<ClientboundP
         tagRewriter.removeTags("minecraft:damage_type");
         tagRewriter.registerGeneric(ClientboundPackets1_19_4.TAGS);
 
+        new StatisticsRewriter<>(this).register(ClientboundPackets1_19_4.STATISTICS);
+
         registerClientbound(ClientboundPackets1_19_4.SERVER_DATA, wrapper -> {
             final JsonElement element = wrapper.read(Type.COMPONENT);
             wrapper.write(Type.OPTIONAL_COMPONENT, element);

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19_3to1_19_4/packets/EntityPackets1_19_4.java

@@ -1,5 +1,5 @@
 /*
- * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
  * Copyright (C) 2023 ViaVersion and contributors
  *
  * This program is free software: you can redistribute it and/or modify
@@ -27,6 +27,7 @@ import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
 import com.viaversion.viaversion.api.type.Type;
 import com.viaversion.viaversion.api.type.types.version.Types1_19_3;
 import com.viaversion.viaversion.api.type.types.version.Types1_19_4;
+import com.viaversion.viaversion.libs.gson.JsonElement;
 import com.viaversion.viaversion.libs.opennbt.tag.builtin.ByteTag;
 import com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag;
 import com.viaversion.viaversion.libs.opennbt.tag.builtin.ListTag;
@@ -86,7 +87,7 @@ public final class EntityPackets1_19_4 extends EntityRewriter<ClientboundPackets
                 map(Type.DOUBLE); // Z
                 map(Type.FLOAT); // Yaw
                 map(Type.FLOAT); // Pitch
-                map(Type.UNSIGNED_BYTE); // Relative arguments
+                map(Type.BYTE); // Relative arguments
                 map(Type.VAR_INT); // Id
                 create(Type.BOOLEAN, false); // Dismount vehicle
             }
@@ -142,18 +143,29 @@ public final class EntityPackets1_19_4 extends EntityRewriter<ClientboundPackets
 
             meta.setMetaType(Types1_19_3.META_TYPES.byId(id));
         });
-        registerMetaTypeHandler(Types1_19_3.META_TYPES.itemType, Types1_19_3.META_TYPES.blockStateType, Types1_19_3.META_TYPES.particleType, Types1_19_3.META_TYPES.optionalComponentType);
+        registerMetaTypeHandler(Types1_19_3.META_TYPES.itemType, Types1_19_3.META_TYPES.blockStateType, null, Types1_19_3.META_TYPES.particleType,
+                Types1_19_3.META_TYPES.componentType, Types1_19_3.META_TYPES.optionalComponentType);
 
         filter().filterFamily(Entity1_19_4Types.MINECART_ABSTRACT).index(11).handler((event, meta) -> {
             final int blockState = meta.value();
             meta.setValue(protocol.getMappingData().getNewBlockStateId(blockState));
         });
 
+        filter().filterFamily(Entity1_19_4Types.BOAT).index(11).handler((event, meta) -> {
+            final int boatType = meta.value();
+            if (boatType > 4) { // Cherry
+                meta.setValue(boatType - 1);
+            }
+        });
+
         filter().type(Entity1_19_4Types.TEXT_DISPLAY).index(22).handler(((event, meta) -> {
             // Send as custom display name
             event.setIndex(2);
             meta.setMetaType(Types1_19_3.META_TYPES.optionalComponentType);
             event.createExtraMeta(new Metadata(3, Types1_19_3.META_TYPES.booleanType, true)); // Show custom name
+
+            final JsonElement element = meta.value();
+            protocol.getTranslatableRewriter().processText(element);
         }));
         filter().filterFamily(Entity1_19_4Types.DISPLAY).handler((event, meta) -> {
             // TODO Maybe spawn an extra entity to ride the armor stand for blocks and items

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19_4to1_20/Protocol1_19_4To1_20.java

@@ -0,0 +1,116 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * 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.viabackwards.protocol.protocol1_19_4to1_20;
+
+import com.viaversion.viabackwards.api.BackwardsProtocol;
+import com.viaversion.viabackwards.api.data.BackwardsMappings;
+import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
+import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.protocol.protocol1_19_4to1_20.packets.BlockItemPackets1_20;
+import com.viaversion.viabackwards.protocol.protocol1_19_4to1_20.packets.EntityPackets1_20;
+import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.minecraft.entities.Entity1_19_4Types;
+import com.viaversion.viaversion.api.type.Type;
+import com.viaversion.viaversion.data.entity.EntityTrackerBase;
+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_20to1_19_4.Protocol1_20To1_19_4;
+import com.viaversion.viaversion.rewriter.StatisticsRewriter;
+import com.viaversion.viaversion.rewriter.TagRewriter;
+import java.util.Arrays;
+
+public final class Protocol1_19_4To1_20 extends BackwardsProtocol<ClientboundPackets1_19_4, ClientboundPackets1_19_4, ServerboundPackets1_19_4, ServerboundPackets1_19_4> {
+
+    public static final BackwardsMappings MAPPINGS = new BackwardsMappings("1.20", "1.19.4", Protocol1_20To1_19_4.class);
+    private final TranslatableRewriter<ClientboundPackets1_19_4> translatableRewriter = new TranslatableRewriter<>(this);
+    private final EntityPackets1_20 entityRewriter = new EntityPackets1_20(this);
+    private final BlockItemPackets1_20 itemRewriter = new BlockItemPackets1_20(this);
+
+    public Protocol1_19_4To1_20() {
+        super(ClientboundPackets1_19_4.class, ClientboundPackets1_19_4.class, ServerboundPackets1_19_4.class, ServerboundPackets1_19_4.class);
+    }
+
+    @Override
+    protected void registerPackets() {
+        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.registerStopSound(ClientboundPackets1_19_4.STOP_SOUND);
+        soundRewriter.register1_19_3Sound(ClientboundPackets1_19_4.SOUND);
+        soundRewriter.registerSound(ClientboundPackets1_19_4.ENTITY_SOUND);
+
+        new StatisticsRewriter<>(this).register(ClientboundPackets1_19_4.STATISTICS);
+
+        //TODO open window
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_19_4.ACTIONBAR);
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_19_4.TITLE_TEXT);
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_19_4.TITLE_SUBTITLE);
+        translatableRewriter.registerBossBar(ClientboundPackets1_19_4.BOSSBAR);
+        translatableRewriter.registerDisconnect(ClientboundPackets1_19_4.DISCONNECT);
+        translatableRewriter.registerTabList(ClientboundPackets1_19_4.TAB_LIST);
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_19_4.SYSTEM_CHAT);
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_19_4.DISGUISED_CHAT);
+        translatableRewriter.registerPing();
+
+        registerClientbound(ClientboundPackets1_19_4.UPDATE_ENABLED_FEATURES, wrapper -> {
+            String[] enabledFeatures = wrapper.read(Type.STRING_ARRAY);
+            final int length = enabledFeatures.length;
+            enabledFeatures = Arrays.copyOf(enabledFeatures, length + 1);
+            enabledFeatures[length] = "minecraft:update_1_20";
+            wrapper.write(Type.STRING_ARRAY, enabledFeatures);
+        });
+
+        registerClientbound(ClientboundPackets1_19_4.COMBAT_END, wrapper -> {
+            wrapper.passthrough(Type.VAR_INT); // Duration
+            wrapper.write(Type.INT, -1); // Killer ID - unused (who knows for how long?)
+        });
+        registerClientbound(ClientboundPackets1_19_4.COMBAT_KILL, wrapper -> {
+            wrapper.passthrough(Type.VAR_INT); // Duration
+            wrapper.write(Type.INT, -1); // Killer ID - unused (who knows for how long?)
+            translatableRewriter.processText(wrapper.passthrough(Type.COMPONENT));
+        });
+    }
+
+    @Override
+    public void init(final UserConnection user) {
+        addEntityTracker(user, new EntityTrackerBase(user, Entity1_19_4Types.PLAYER));
+    }
+
+    @Override
+    public BackwardsMappings getMappingData() {
+        return MAPPINGS;
+    }
+
+    @Override
+    public EntityPackets1_20 getEntityRewriter() {
+        return entityRewriter;
+    }
+
+    @Override
+    public BlockItemPackets1_20 getItemRewriter() {
+        return itemRewriter;
+    }
+
+    @Override
+    public TranslatableRewriter<ClientboundPackets1_19_4> getTranslatableRewriter() {
+        return translatableRewriter;
+    }
+}

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19_4to1_20/packets/BlockItemPackets1_20.java

@@ -0,0 +1,181 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * 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.viabackwards.protocol.protocol1_19_4to1_20.packets;
+
+import com.viaversion.viabackwards.protocol.protocol1_19_4to1_20.Protocol1_19_4To1_20;
+import com.viaversion.viabackwards.protocol.protocol1_19_4to1_20.storage.BackSignEditStorage;
+import com.viaversion.viaversion.api.minecraft.BlockChangeRecord;
+import com.viaversion.viaversion.api.minecraft.Position;
+import com.viaversion.viaversion.api.minecraft.blockentity.BlockEntity;
+import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
+import com.viaversion.viaversion.api.type.Type;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.ListTag;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag;
+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.ServerboundPackets1_19_4;
+import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.rewriter.RecipeRewriter1_19_4;
+import com.viaversion.viaversion.rewriter.BlockRewriter;
+import com.viaversion.viaversion.rewriter.ItemRewriter;
+
+public final class BlockItemPackets1_20 extends ItemRewriter<ClientboundPackets1_19_4, ServerboundPackets1_19_4, Protocol1_19_4To1_20> {
+
+    public BlockItemPackets1_20(final Protocol1_19_4To1_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.registerEffect(ClientboundPackets1_19_4.EFFECT, 1010, 2001);
+        blockRewriter.registerBlockEntityData(ClientboundPackets1_19_4.BLOCK_ENTITY_DATA, this::handleBlockEntity);
+
+        protocol.registerClientbound(ClientboundPackets1_19_4.CHUNK_DATA, new PacketHandlers() {
+            @Override
+            protected void register() {
+                handler(blockRewriter.chunkDataHandler1_19(Chunk1_18Type::new, BlockItemPackets1_20.this::handleBlockEntity));
+                create(Type.BOOLEAN, true); // Trust edges
+            }
+        });
+
+        protocol.registerClientbound(ClientboundPackets1_19_4.UPDATE_LIGHT, wrapper -> {
+            wrapper.passthrough(Type.VAR_INT); // X
+            wrapper.passthrough(Type.VAR_INT); // Y
+            wrapper.write(Type.BOOLEAN, true); // Trust edges
+        });
+
+        protocol.registerClientbound(ClientboundPackets1_19_4.MULTI_BLOCK_CHANGE, new PacketHandlers() {
+            @Override
+            public void register() {
+                map(Type.LONG); // Chunk position
+                create(Type.BOOLEAN, false); // Suppress light updates
+                handler(wrapper -> {
+                    for (final BlockChangeRecord record : wrapper.passthrough(Type.VAR_LONG_BLOCK_CHANGE_RECORD_ARRAY)) {
+                        record.setBlockId(protocol.getMappingData().getNewBlockStateId(record.getBlockId()));
+                    }
+                });
+            }
+        });
+
+        registerOpenWindow(ClientboundPackets1_19_4.OPEN_WINDOW);
+        registerSetCooldown(ClientboundPackets1_19_4.COOLDOWN);
+        registerWindowItems1_17_1(ClientboundPackets1_19_4.WINDOW_ITEMS);
+        registerSetSlot1_17_1(ClientboundPackets1_19_4.SET_SLOT);
+        registerEntityEquipmentArray(ClientboundPackets1_19_4.ENTITY_EQUIPMENT);
+        registerClickWindow1_17_1(ServerboundPackets1_19_4.CLICK_WINDOW);
+        registerTradeList1_19(ClientboundPackets1_19_4.TRADE_LIST);
+        registerCreativeInvAction(ServerboundPackets1_19_4.CREATIVE_INVENTORY_ACTION, Type.FLAT_VAR_INT_ITEM);
+        registerWindowPropertyEnchantmentHandler(ClientboundPackets1_19_4.WINDOW_PROPERTY);
+        registerSpawnParticle1_19(ClientboundPackets1_19_4.SPAWN_PARTICLE);
+
+        protocol.registerClientbound(ClientboundPackets1_19_4.ADVANCEMENTS, 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.FLAT_VAR_INT_ITEM)); // 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.read(Type.BOOLEAN); // Sends telemetry
+            }
+        });
+
+        protocol.registerClientbound(ClientboundPackets1_19_4.OPEN_SIGN_EDITOR, wrapper -> {
+            final Position position = wrapper.passthrough(Type.POSITION1_14);
+            final boolean frontSide = wrapper.read(Type.BOOLEAN);
+            if (frontSide) {
+                wrapper.user().remove(BackSignEditStorage.class);
+            } else {
+                wrapper.user().put(new BackSignEditStorage(position));
+            }
+        });
+        protocol.registerServerbound(ServerboundPackets1_19_4.UPDATE_SIGN, wrapper -> {
+            final Position position = wrapper.passthrough(Type.POSITION1_14);
+            final BackSignEditStorage backSignEditStorage = wrapper.user().remove(BackSignEditStorage.class);
+            final boolean frontSide = backSignEditStorage == null || !backSignEditStorage.position().equals(position);
+            wrapper.write(Type.BOOLEAN, frontSide);
+        });
+
+        new RecipeRewriter1_19_4<>(protocol).register(ClientboundPackets1_19_4.DECLARE_RECIPES);
+    }
+
+    private void handleBlockEntity(final BlockEntity blockEntity) {
+        // Check for signs
+        if (blockEntity.typeId() != 7 && blockEntity.typeId() != 8) {
+            return;
+        }
+
+        final CompoundTag tag = blockEntity.tag();
+        final CompoundTag frontText = tag.remove("front_text");
+        tag.remove("back_text");
+
+        if (frontText != null) {
+            writeMessages(frontText, tag, false);
+            writeMessages(frontText, tag, true);
+
+            final Tag color = frontText.remove("color");
+            if (color != null) {
+                tag.put("Color", color);
+            }
+
+            final Tag glowing = frontText.remove("has_glowing_text");
+            if (glowing != null) {
+                tag.put("GlowingText", glowing);
+            }
+        }
+    }
+
+    private void writeMessages(final CompoundTag frontText, final CompoundTag tag, final boolean filtered) {
+        final ListTag messages = frontText.get(filtered ? "filtered_messages" : "messages");
+        if (messages == null) {
+            return;
+        }
+
+        int i = 0;
+        for (final Tag message : messages) {
+            tag.put((filtered ? "FilteredText" : "Text") + ++i, message);
+        }
+
+    }
+}

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19_4to1_20/packets/EntityPackets1_20.java

@@ -0,0 +1,125 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * 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.viabackwards.protocol.protocol1_19_4to1_20.packets;
+
+import com.google.common.collect.Sets;
+import com.viaversion.viabackwards.api.rewriters.EntityRewriter;
+import com.viaversion.viabackwards.protocol.protocol1_19_4to1_20.Protocol1_19_4To1_20;
+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_19_4;
+import com.viaversion.viaversion.api.type.types.version.Types1_20;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.ListTag;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.StringTag;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag;
+import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.ClientboundPackets1_19_4;
+import com.viaversion.viaversion.util.Key;
+import java.util.Set;
+
+public final class EntityPackets1_20 extends EntityRewriter<ClientboundPackets1_19_4, Protocol1_19_4To1_20> {
+
+    private final Set<String> newTrimPatterns = Sets.newHashSet("host_armor_trim_smithing_template", "raiser_armor_trim_smithing_template",
+            "silence_armor_trim_smithing_template", "shaper_armor_trim_smithing_template", "wayfinder_armor_trim_smithing_template");
+
+    public EntityPackets1_20(final Protocol1_19_4To1_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, Types1_19_4.METADATA_LIST);
+        registerRemoveEntities(ClientboundPackets1_19_4.REMOVE_ENTITIES);
+
+        protocol.registerClientbound(ClientboundPackets1_19_4.JOIN_GAME, new PacketHandlers() {
+            @Override
+            public void register() {
+                map(Type.INT); // Entity id
+                map(Type.BOOLEAN); // Hardcore
+                map(Type.UNSIGNED_BYTE); // Gamemode
+                map(Type.BYTE); // Previous Gamemode
+                map(Type.STRING_ARRAY); // World List
+                map(Type.NBT); // Dimension registry
+                map(Type.STRING); // Dimension key
+                map(Type.STRING); // World
+                map(Type.LONG); // Seed
+                map(Type.VAR_INT); // Max players
+                map(Type.VAR_INT); // Chunk radius
+                map(Type.VAR_INT); // Simulation distance
+                map(Type.BOOLEAN); // Reduced debug info
+                map(Type.BOOLEAN); // Show death screen
+                map(Type.BOOLEAN); // Debug
+                map(Type.BOOLEAN); // Flat
+                map(Type.OPTIONAL_GLOBAL_POSITION); // Last death location
+                read(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
+                handler(wrapper -> {
+                    final CompoundTag registry = wrapper.get(Type.NBT, 0);
+                    final ListTag values = ((CompoundTag) registry.get("minecraft:trim_pattern")).get("value");
+                    for (final Tag entry : values) {
+                        final CompoundTag element = ((CompoundTag) entry).get("element");
+                        final StringTag templateItem = element.get("template_item");
+                        if (newTrimPatterns.contains(Key.stripMinecraftNamespace(templateItem.getValue()))) {
+                            templateItem.setValue("minecraft:spire_armor_trim_smithing_template");
+                        }
+                    }
+                });
+            }
+        });
+
+        protocol.registerClientbound(ClientboundPackets1_19_4.RESPAWN, new PacketHandlers() {
+            @Override
+            public void register() {
+                map(Type.STRING); // Dimension
+                map(Type.STRING); // World
+                map(Type.LONG); // Seed
+                map(Type.UNSIGNED_BYTE); // Gamemode
+                map(Type.BYTE); // Previous gamemode
+                map(Type.BOOLEAN); // Debug
+                map(Type.BOOLEAN); // Flat
+                map(Type.BYTE); // Data to keep
+                map(Type.OPTIONAL_GLOBAL_POSITION); // Last death location
+                read(Type.VAR_INT); // Portal cooldown
+                handler(worldDataTrackerHandlerByKey()); // Tracks world height and name for chunk data and entity (un)tracking
+            }
+        });
+    }
+
+    @Override
+    protected void registerRewrites() {
+        filter().handler((event, meta) -> meta.setMetaType(Types1_19_4.META_TYPES.byId(meta.metaType().typeId())));
+        registerMetaTypeHandler(Types1_19_4.META_TYPES.itemType, Types1_19_4.META_TYPES.blockStateType, Types1_19_4.META_TYPES.optionalBlockStateType,
+                Types1_19_4.META_TYPES.particleType, Types1_19_4.META_TYPES.componentType, Types1_19_4.META_TYPES.optionalComponentType);
+
+        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/viabackwards/protocol/protocol1_19_4to1_20/storage/BackSignEditStorage.java

@@ -0,0 +1,34 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * 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.viabackwards.protocol.protocol1_19_4to1_20.storage;
+
+import com.viaversion.viaversion.api.connection.StorableObject;
+import com.viaversion.viaversion.api.minecraft.Position;
+
+public final class BackSignEditStorage implements StorableObject {
+
+    private final Position position;
+
+    public BackSignEditStorage(final Position position) {
+        this.position = position;
+    }
+
+    public Position position() {
+        return position;
+    }
+}

common/src/main/resources/assets/viabackwards/data/translation-mappings.json

@@ -1,4 +1,157 @@
 {
+  "1.20": {
+    "advancements.adventure.craft_decorated_pot_using_only_sherds.description": "Make a Decorated Pot out of 4 Pottery Sherds",
+    "advancements.adventure.craft_decorated_pot_using_only_sherds.title": "Careful Restoration",
+    "advancements.adventure.read_power_from_chiseled_bookshelf.description": "Read the power signal of a Chiseled Bookshelf using a Comparator",
+    "advancements.adventure.read_power_from_chiseled_bookshelf.title": "The Power of Books",
+    "advancements.adventure.salvage_sherd.description": "Brush a Suspicious block to obtain a Pottery Sherd",
+    "advancements.adventure.salvage_sherd.title": "Respecting the Remnants",
+    "advancements.adventure.trim_with_all_exclusive_armor_patterns.description": "Apply these smithing templates at least once: Spire, Snout, Rib, Ward, Silence, Vex, Tide, Wayfinder",
+    "advancements.adventure.trim_with_all_exclusive_armor_patterns.title": "Smithing with Style",
+    "advancements.adventure.trim_with_any_armor_pattern.description": "Craft a trimmed armor at a Smithing Table",
+    "advancements.adventure.trim_with_any_armor_pattern.title": "Crafting a New Look",
+    "advancements.husbandry.feed_snifflet.description": "Feed a Snifflet",
+    "advancements.husbandry.feed_snifflet.title": "Little Sniffs",
+    "advancements.husbandry.obtain_sniffer_egg.description": "Obtain a Sniffer Egg",
+    "advancements.husbandry.obtain_sniffer_egg.title": "Smells Interesting",
+    "advancements.husbandry.plant_any_sniffer_seed.description": "Plant any Sniffer seed",
+    "advancements.husbandry.plant_any_sniffer_seed.title": "Planting the Past",
+    "block.minecraft.calibrated_sculk_sensor": "Calibrated Sculk Sensor",
+    "block.minecraft.pitcher_crop": "Pitcher Crop",
+    "block.minecraft.pitcher_plant": "Pitcher Plant",
+    "block.minecraft.sniffer_egg": "Sniffer Egg",
+    "block.minecraft.suspicious_gravel": "Suspicious Gravel",
+    "commands.data.modify.invalid_substring": "Invalid substring indices: %s to %s",
+    "commands.function.success.multiple.result": "Executed %s functions",
+    "commands.function.success.single.result": "Function '%2$s' returned %1$s",
+    "death.attack.genericKill": "%1$s was killed",
+    "death.attack.genericKill.player": "%1$s was killed whilst fighting %2$s",
+    "death.attack.outsideBorder": "%1$s left the confines of this world",
+    "death.attack.outsideBorder.player": "%1$s left the confines of this world whilst fighting %2$s",
+    "disconnect.ignoring_status_request": "Ignoring status request",
+    "gui.toRealms": "Back to Realms List",
+    "gui.toWorld": "Back to World List",
+    "item.minecraft.angler_pottery_shard": "Angler Pottery Shard",
+    "item.minecraft.angler_pottery_sherd": "Angler Pottery Sherd",
+    "item.minecraft.archer_pottery_shard": "Archer Pottery Shard",
+    "item.minecraft.archer_pottery_sherd": "Archer Pottery Sherd",
+    "item.minecraft.arms_up_pottery_shard": "Arms Up Pottery Shard",
+    "item.minecraft.arms_up_pottery_sherd": "Arms Up Pottery Sherd",
+    "item.minecraft.blade_pottery_shard": "Blade Pottery Shard",
+    "item.minecraft.blade_pottery_sherd": "Blade Pottery Sherd",
+    "item.minecraft.brewer_pottery_shard": "Brewer Pottery Shard",
+    "item.minecraft.brewer_pottery_sherd": "Brewer Pottery Sherd",
+    "item.minecraft.burn_pottery_shard": "Burn Pottery Shard",
+    "item.minecraft.burn_pottery_sherd": "Burn Pottery Sherd",
+    "item.minecraft.danger_pottery_shard": "Danger Pottery Shard",
+    "item.minecraft.danger_pottery_sherd": "Danger Pottery Sherd",
+    "item.minecraft.explorer_pottery_shard": "Explorer Pottery Shard",
+    "item.minecraft.explorer_pottery_sherd": "Explorer Pottery Sherd",
+    "item.minecraft.friend_pottery_shard": "Friend Pottery Shard",
+    "item.minecraft.friend_pottery_sherd": "Friend Pottery Sherd",
+    "item.minecraft.heart_pottery_shard": "Heart Pottery Shard",
+    "item.minecraft.heart_pottery_sherd": "Heart Pottery Sherd",
+    "item.minecraft.heartbreak_pottery_shard": "Heartbreak Pottery Shard",
+    "item.minecraft.heartbreak_pottery_sherd": "Heartbreak Pottery Sherd",
+    "item.minecraft.howl_pottery_shard": "Howl Pottery Shard",
+    "item.minecraft.howl_pottery_sherd": "Howl Pottery Sherd",
+    "item.minecraft.miner_pottery_shard": "Miner Pottery Shard",
+    "item.minecraft.miner_pottery_sherd": "Miner Pottery Sherd",
+    "item.minecraft.mourner_pottery_shard": "Mourner Pottery Shard",
+    "item.minecraft.mourner_pottery_sherd": "Mourner Pottery Sherd",
+    "item.minecraft.music_disc_relic": "Music Disc",
+    "item.minecraft.music_disc_relic.desc": "Aaron Cherof - Relic",
+    "item.minecraft.pitcher_plant": "Pitcher Plant",
+    "item.minecraft.pitcher_pod": "Pitcher Pod",
+    "item.minecraft.plenty_pottery_shard": "Plenty Pottery Shard",
+    "item.minecraft.plenty_pottery_sherd": "Plenty Pottery Sherd",
+    "item.minecraft.prize_pottery_shard": "Prize Pottery Shard",
+    "item.minecraft.prize_pottery_sherd": "Prize Pottery Sherd",
+    "item.minecraft.sheaf_pottery_shard": "Sheaf Pottery Shard",
+    "item.minecraft.sheaf_pottery_sherd": "Sheaf Pottery Sherd",
+    "item.minecraft.shelter_pottery_shard": "Shelter Pottery Shard",
+    "item.minecraft.shelter_pottery_sherd": "Shelter Pottery Sherd",
+    "item.minecraft.skull_pottery_shard": "Skull Pottery Shard",
+    "item.minecraft.skull_pottery_sherd": "Skull Pottery Sherd",
+    "item.minecraft.snort_pottery_shard": "Snort Pottery Shard",
+    "item.minecraft.snort_pottery_sherd": "Snort Pottery Sherd",
+    "mco.backup.entry": "Backup (%s)",
+    "mco.backup.entry.description": "Description",
+    "mco.backup.entry.enabledPack": "Enabled Pack",
+    "mco.backup.entry.gameDifficulty": "Game Difficulty",
+    "mco.backup.entry.gameMode": "Game Mode",
+    "mco.backup.entry.gameServerVersion": "Game Server Version",
+    "mco.backup.entry.name": "Name",
+    "mco.backup.entry.seed": "Seed",
+    "mco.backup.entry.templateName": "Template Name",
+    "mco.backup.entry.undefined": "Undefined Change",
+    "mco.backup.entry.uploaded": "Uploaded",
+    "mco.backup.entry.worldType": "World Type",
+    "mco.backup.info.title": "Changes from last backup",
+    "mco.backup.unknown": "UNKNOWN",
+    "mco.configure.world.invited.number": "Invited (%s)",
+    "mco.configure.world.minigame": "Current: %s",
+    "mco.configure.world.subscription.remaining.months.days": "%1$s month(s), %2$s day(s)",
+    "mco.configure.world.subscription.remaining.months": "%1$s month(s)",
+    "mco.configure.world.subscription.remaining.days": "%1$s day(s)",
+    "mco.configure.world.uninvite.player": "Are you sure that you want to uninvite '%s'?",
+    "mco.download.percent": "%s %%",
+    "mco.download.resourcePack.fail": "Failed to download resource pack!",
+    "mco.download.speed": "(%s/s)",
+    "mco.errorMessage.6005": "World locked",
+    "mco.errorMessage.6006": "World is out of date",
+    "mco.errorMessage.6007": "User in too many Realms",
+    "mco.errorMessage.6008": "Invalid Realm name",
+    "mco.errorMessage.6009": "Invalid Realm description",
+    "mco.errorMessage.generic": "An error occurred: ",
+    "mco.errorMessage.realmsService": "An error occurred (%s):",
+    "mco.errorMessage.realmsService.realmsError": "Realms (%s):",
+    "mco.info": "Info!",
+    "mco.question": "Question",
+    "mco.upload.entry.id": "%1$s (%2$s)",
+    "mco.upload.entry.cheats": "%1$s, %2$s",
+    "mco.time.now": "right now",
+    "mco.time.secondsAgo": "%1$s second(s) ago",
+    "mco.time.minutesAgo": "%1$s minute(s) ago",
+    "mco.time.hoursAgo": "%1$s hour(s) ago",
+    "mco.time.daysAgo": "%1$s day(s) ago",
+    "mco.warning": "Warning!",
+    "mco.worldSlot.minigame": "Minigame",
+    "multiplayer.disconnect.invalid_public_key_signature.new": "Invalid signature for profile public key.\nTry restarting your game.",
+    "quickplay.error.invalid_identifier": "Could not find world with the provided identifier",
+    "quickplay.error.realm_connect": "Could not connect to Realm",
+    "quickplay.error.realm_permission": "Lacking permission to connect to this Realm",
+    "quickplay.error.title": "Failed to Quick Play",
+    "subtitles.block.amethyst_block.resonate": "Amethyst resonates",
+    "subtitles.block.sign.waxed_interact_fail": "Sign wobbles",
+    "subtitles.block.sniffer_egg.crack": "Sniffer Egg cracks",
+    "subtitles.block.sniffer_egg.hatch": "Sniffer Egg hatches",
+    "subtitles.block.sniffer_egg.plop": "Sniffer plops",
+    "subtitles.entity.sniffer.egg_crack": "Sniffer Egg cracks",
+    "subtitles.entity.sniffer.egg_hatch": "Sniffer Egg hatches",
+    "subtitles.item.brush.brushing.generic": "Brushing",
+    "subtitles.item.brush.brushing.gravel": "Brushing Gravel",
+    "subtitles.item.brush.brushing.gravel.complete": "Brushing Gravel completed",
+    "subtitles.item.brush.brushing.sand": "Brushing Sand",
+    "subtitles.item.brush.brushing.sand.complete": "Brushing Sand completed",
+    "telemetry.event.advancement_made.description": "Understanding the context behind receiving an advancement can help us better understand and improve the progression of the game.",
+    "telemetry.event.advancement_made.title": "Advancement Made",
+    "telemetry.event.game_load_times.description": "This event can help us figure out where startup performance improvements are needed by measuring the execution times of the startup phases.",
+    "telemetry.event.game_load_times.title": "Game Load Times",
+    "telemetry.property.advancement_game_time.title": "Game Time (Ticks)",
+    "telemetry.property.advancement_id.title": "Advancement ID",
+    "telemetry.property.launcher_name.title": "Launcher Name",
+    "telemetry.property.load_time_bootstrap_ms.title": "Bootstrap Time (Milliseconds)",
+    "telemetry.property.load_time_loading_overlay_ms.title": "Time in Loading Screen (Milliseconds)",
+    "telemetry.property.load_time_pre_window_ms.title": "Time Before Window Opens (Milliseconds)",
+    "telemetry.property.load_time_total_time_ms.title": "Total Load Time (Milliseconds)",
+    "telemetry.property.realms_map_content.title": "Realms Map Content (Minigame Name)",
+    "trim_pattern.minecraft.host": "Host Armor Trim",
+    "trim_pattern.minecraft.raiser": "Raiser Armor Trim",
+    "trim_pattern.minecraft.shaper": "Shaper Armor Trim",
+    "trim_pattern.minecraft.silence": "Silence Armor Trim",
+    "trim_pattern.minecraft.wayfinder": "Wayfinder Armor Trim"
+  },
   "1.19.4": {
     "accessibility.onboarding.screen.narrator": "Press enter to enable the narrator",
     "accessibility.onboarding.screen.title": "Welcome to Minecraft!\n\nWould you like to enable the Narrator or visit the Accessibility Settings?",

fabric/src/main/resources/fabric.mod.json

@@ -10,6 +10,7 @@
     "issues": "https://github.com/ViaVersion/ViaBackwards/issues",
     "sources": "https://github.com/ViaVersion/ViaBackwards"
   },
+  "icon": "assets/viabackwards/textures/squarelogo.png",
   "environment": "*",
   "authors": [
     "Matsv",

gradle/libs.versions.toml

@@ -3,7 +3,7 @@ metadata.format.version = "1.1"
 [versions]
 
 # ViaVersion
-viaver = "4.6.0-1.19.4-pre4-SNAPSHOT"
+viaver = "4.7.0-1.20-rc1-SNAPSHOT"
 
 # Common provided
 netty = "4.0.20.Final"

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.0.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -85,9 +85,6 @@ done
 APP_BASE_NAME=${0##*/}
 APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
-
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
 
@@ -197,6 +194,10 @@ if "$cygwin" || "$msys" ; then
     done
 fi
 
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
 # Collect all arguments for the java command;
 #   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
 #     shell script including quotes and variable substitutions, so put them in

settings.gradle.kts

@@ -16,7 +16,7 @@ dependencyResolutionManagement {
 pluginManagement {
     plugins {
         id("net.kyori.blossom") version "1.2.0"
-        id("com.github.johnrengelman.shadow") version "8.1.0"
+        id("com.github.johnrengelman.shadow") version "8.1.1"
     }
 }