5.3.2 Release

Fixes ViaVersion/ViaVersion#4457

.github/workflows/build.yml

@@ -22,4 +22,4 @@ jobs:
         java-version: 17
         check-latest: true
     - name: Build with Gradle
-      run: ./gradlew build
+      run: ./gradlew build --refresh-dependencies

.github/workflows/publish.yml

@@ -26,4 +26,4 @@ jobs:
         env:
           HANGAR_TOKEN: ${{ secrets.HANGAR_TOKEN }}
           MODRINTH_TOKEN: ${{ secrets.MODRINTH_TOKEN }}
-        run: ./gradlew build modrinth publishAllPublicationsToHangar --stacktrace
+        run: ./gradlew build modrinth publishAllPublicationsToHangar  --refresh-dependencies --stacktrace

.gitignore

@@ -108,5 +108,8 @@ nbactions.xml
 nb-configuration.xml
 .nb-gradle/
 
+### MacOS ###
+.DS_Store
+
 ### Run Folder (ViaProxy) ###
 common/run/

README.md

@@ -1,12 +1,12 @@
 # ViaBackwards
 
 [![Latest Release](https://img.shields.io/github/v/release/ViaVersion/ViaBackwards)](https://github.com/ViaVersion/ViaBackwards/releases)
-[![Build Status](https://github.com/ViaVersion/ViaBackwards/actions/workflows/gradle.yml/badge.svg?branch=master)](https://github.com/ViaVersion/ViaBackwards/actions)
+[![Build Status](https://github.com/ViaVersion/ViaBackwards/actions/workflows/build.yml/badge.svg?branch=master)](https://github.com/ViaVersion/ViaBackwards/actions)
 [![Discord](https://img.shields.io/badge/chat-on%20discord-blue.svg)](https://viaversion.com/discord)
 
 **Allows the connection of older clients to newer server versions for Minecraft servers.**
 
-Requires [ViaVersion](https://hangar.papermc.io/ViaVersion/ViaVersion) to be installed..
+Requires [ViaVersion](https://hangar.papermc.io/ViaVersion/ViaVersion) to be installed.
 
 Supported Versions
 -
@@ -42,7 +42,7 @@ Known issues
   1.17 will not be able to see or interact with blocks below y=0 and above y=255
 * <1.17 clients on 1.17+ servers might experience inventory desyncs on certain inventory click actions
 * Sound mappings are incomplete ([see here](https://github.com/ViaVersion/ViaBackwards/issues/326))
-* <1.19.4 clients on 1.20+ servers won't be able to use the smithing table, this can be fixed by
+* <1.19.4 clients on 1.20+ servers won't be able to use the smithing table. This can be fixed by
   installing [AxSmithing](https://github.com/ViaVersionAddons/AxSmithing)
 
 Other Links

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.gradleup.shadow", "shadow-gradle-plugin", "8.3.0")
+    implementation("com.gradleup.shadow", "shadow-gradle-plugin", "8.3.6")
 }

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

@@ -18,7 +18,7 @@
 package com.viaversion.viabackwards.api;
 
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.TranslatableRewriter;
 import com.viaversion.viaversion.api.Via;
 import com.viaversion.viaversion.api.protocol.AbstractProtocol;
 import com.viaversion.viaversion.api.protocol.Protocol;
@@ -66,7 +66,7 @@ public abstract class BackwardsProtocol<CU extends ClientboundPacketType, CM ext
     }
 
     @Override
-    public @Nullable TranslatableRewriter<CU> getComponentRewriter() {
+    public @Nullable TranslatableRewriter getComponentRewriter() {
         return null;
     }
 }

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

@@ -20,7 +20,7 @@ package com.viaversion.viabackwards.api;
 
 import com.viaversion.viabackwards.ViaBackwards;
 import com.viaversion.viabackwards.ViaBackwardsConfig;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.data.TranslatableMappings;
 import com.viaversion.viabackwards.protocol.v1_11to1_10.Protocol1_11To1_10;
 import com.viaversion.viabackwards.protocol.v1_12to1_11_1.Protocol1_12To1_11_1;
 import com.viaversion.viabackwards.protocol.v1_11_1to1_11.Protocol1_11_1To1_11;
@@ -57,6 +57,7 @@ import com.viaversion.viabackwards.protocol.v1_20_5to1_20_3.Protocol1_20_5To1_20
 import com.viaversion.viabackwards.protocol.v1_20_2to1_20.Protocol1_20_2To1_20;
 import com.viaversion.viabackwards.protocol.v1_21_2to1_21.Protocol1_21_2To1_21;
 import com.viaversion.viabackwards.protocol.v1_21_2to1_21.task.PlayerPacketsTickTask;
+import com.viaversion.viabackwards.protocol.v1_21_5to1_21_4.Protocol1_21_5To1_21_4;
 import com.viaversion.viabackwards.protocol.v1_21to1_20_5.Protocol1_21To1_20_5;
 import com.viaversion.viabackwards.protocol.v1_9_3to1_9_1.Protocol1_9_3To1_9_1;
 import com.viaversion.viabackwards.protocol.v1_10to1_9_3.Protocol1_10To1_9_3;
@@ -72,7 +73,7 @@ import java.util.logging.Logger;
 
 public interface ViaBackwardsPlatform {
 
-    String MINIMUM_VV_VERSION = "5.2.1";
+    String MINIMUM_VV_VERSION = "5.3.2";
 
     /**
      * Initialize ViaBackwards.
@@ -92,7 +93,7 @@ public interface ViaBackwardsPlatform {
         Via.getManager().getSubPlatforms().add(VersionInfo.getImplementationVersion());
 
         getLogger().info("Loading translations...");
-        TranslatableRewriter.loadTranslatables();
+        TranslatableMappings.loadTranslatables();
 
         getLogger().info("Registering protocols...");
         final ProtocolManager protocolManager = Via.getManager().getProtocolManager();
@@ -146,6 +147,7 @@ public interface ViaBackwardsPlatform {
         protocolManager.registerProtocol(new Protocol1_21To1_20_5(), ProtocolVersion.v1_20_5, ProtocolVersion.v1_21);
         protocolManager.registerProtocol(new Protocol1_21_2To1_21(), ProtocolVersion.v1_21, ProtocolVersion.v1_21_2);
         protocolManager.registerProtocol(new Protocol1_21_4To1_21_2(), ProtocolVersion.v1_21_2, ProtocolVersion.v1_21_4);
+        protocolManager.registerProtocol(new Protocol1_21_5To1_21_4(), ProtocolVersion.v1_21_4, ProtocolVersion.v1_21_5);
     }
 
     default void enable() {

common/src/main/java/com/viaversion/viabackwards/api/data/TranslatableMappings.java

@@ -15,26 +15,19 @@
  * 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.api.rewriters;
+package com.viaversion.viabackwards.api.data;
 
-import com.viaversion.nbt.tag.CompoundTag;
-import com.viaversion.nbt.tag.StringTag;
 import com.viaversion.viabackwards.ViaBackwards;
-import com.viaversion.viabackwards.api.BackwardsProtocol;
-import com.viaversion.viabackwards.api.data.BackwardsMappingDataLoader;
-import com.viaversion.viaversion.api.connection.UserConnection;
-import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
+import com.viaversion.viaversion.api.protocol.Protocol;
 import com.viaversion.viaversion.libs.gson.JsonElement;
 import com.viaversion.viaversion.libs.gson.JsonObject;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
 import java.util.HashMap;
 import java.util.Map;
 import org.checkerframework.checker.nullness.qual.Nullable;
 
-public class TranslatableRewriter<C extends ClientboundPacketType> extends ComponentRewriter<C> {
+public final class TranslatableMappings {
 
     private static final Map<String, Map<String, String>> TRANSLATABLES = new HashMap<>();
-    private final Map<String, String> translatables;
 
     public static void loadTranslatables() {
         if (!TRANSLATABLES.isEmpty()) {
@@ -53,42 +46,24 @@ public class TranslatableRewriter<C extends ClientboundPacketType> extends Compo
         }
     }
 
-    public TranslatableRewriter(final BackwardsProtocol<C, ?, ?, ?> protocol, final ReadType type) {
-        this(protocol, type, protocol.getClass().getSimpleName().replace("Protocol", "").split("To")[0].replace("_", "."));
+    public static Map<String, String> translatablesFor(final Protocol<?, ?, ?, ?> protocol) {
+        final String version = protocol.getClass().getSimpleName()
+            .replace("Protocol", "")
+            .split("To")[0]
+            .replace("_", ".");
+        return translatablesFor(version);
     }
 
-    public TranslatableRewriter(final BackwardsProtocol<C, ?, ?, ?> protocol, final ReadType type, final String version) {
-        super(protocol, type);
+    public static Map<String, String> translatablesFor(final String version) {
         final Map<String, String> translatableMappings = getTranslatableMappings(version);
         if (translatableMappings == null) {
             ViaBackwards.getPlatform().getLogger().warning("Missing " + version + " translatables!");
-            this.translatables = new HashMap<>();
-        } else {
-            this.translatables = translatableMappings;
+            return new HashMap<>();
         }
+        return translatableMappings;
     }
 
-    @Override
-    protected void handleTranslate(final JsonObject root, final String translate) {
-        final String newTranslate = mappedTranslationKey(translate);
-        if (newTranslate != null) {
-            root.addProperty("translate", newTranslate);
-        }
-    }
-
-    @Override
-    protected void handleTranslate(final UserConnection connection, final CompoundTag parentTag, final StringTag translateTag) {
-        final String newTranslate = mappedTranslationKey(translateTag.getValue());
-        if (newTranslate != null) {
-            parentTag.put("translate", new StringTag(newTranslate));
-        }
-    }
-
-    public @Nullable String mappedTranslationKey(final String translationKey) {
-        return translatables.get(translationKey);
-    }
-
-    public static Map<String, String> getTranslatableMappings(final String sectionIdentifier) {
+    public static @Nullable Map<String, String> getTranslatableMappings(final String sectionIdentifier) {
         return TRANSLATABLES.get(sectionIdentifier);
     }
 }

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

@@ -18,6 +18,7 @@
 package com.viaversion.viabackwards.api.rewriters;
 
 import com.viaversion.nbt.tag.CompoundTag;
+import com.viaversion.nbt.tag.FloatTag;
 import com.viaversion.nbt.tag.IntArrayTag;
 import com.viaversion.nbt.tag.IntTag;
 import com.viaversion.nbt.tag.ListTag;
@@ -27,6 +28,7 @@ import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
 import com.viaversion.viabackwards.api.data.MappedItem;
 import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.minecraft.EitherHolder;
 import com.viaversion.viaversion.api.minecraft.Holder;
 import com.viaversion.viaversion.api.minecraft.HolderSet;
 import com.viaversion.viaversion.api.minecraft.data.StructuredDataContainer;
@@ -47,6 +49,8 @@ import org.checkerframework.checker.nullness.qual.Nullable;
 public class BackwardsStructuredItemRewriter<C extends ClientboundPacketType, S extends ServerboundPacketType,
     T extends BackwardsProtocol<C, ?, ?, S>> extends StructuredItemRewriter<C, S, T> {
 
+    private static final int[] EMPTY_INT_ARRAY = new int[0];
+
     public BackwardsStructuredItemRewriter(
         T protocol,
         Type<Item> itemType, Type<Item[]> itemArrayType, Type<Item> mappedItemType, Type<Item[]> mappedItemArrayType,
@@ -97,7 +101,7 @@ public class BackwardsStructuredItemRewriter<C extends ClientboundPacketType, S
                         new float[]{mappedItem.customModelData().floatValue()},
                         new boolean[0],
                         new String[0],
-                        new int[0]
+                        EMPTY_INT_ARRAY
                     ));
                 }
             } else if (!dataContainer.has(StructuredDataKey.CUSTOM_MODEL_DATA1_20_5)) {
@@ -195,7 +199,7 @@ public class BackwardsStructuredItemRewriter<C extends ClientboundPacketType, S
     protected HolderSet restoreHolderSet(final CompoundTag tag, final String key) {
         final Tag savedTag = tag.get(key);
         if (savedTag == null) {
-            return HolderSet.of(new int[0]);
+            return HolderSet.of(EMPTY_INT_ARRAY);
         }
 
         if (savedTag instanceof StringTag tagKey) {
@@ -203,7 +207,7 @@ public class BackwardsStructuredItemRewriter<C extends ClientboundPacketType, S
         } else if (savedTag instanceof IntArrayTag idsTag) {
             return HolderSet.of(idsTag.getValue());
         } else {
-            return HolderSet.of(new int[0]);
+            return HolderSet.of(EMPTY_INT_ARRAY);
         }
     }
 
@@ -217,6 +221,28 @@ public class BackwardsStructuredItemRewriter<C extends ClientboundPacketType, S
         }
     }
 
+    protected <V> Tag eitherHolderToTag(final EitherHolder<V> holder, final BiConsumer<V, CompoundTag> valueSaveFunction) {
+        if (holder.hasKey()) {
+            return new StringTag(holder.key());
+        } else {
+            return holderToTag(holder.holder(), valueSaveFunction);
+        }
+    }
+
+    protected <V> void saveEitherHolderData(final StructuredDataKey<EitherHolder<V>> key, final StructuredDataContainer data, final CompoundTag backupTag, final BiConsumer<V, CompoundTag> valueSaveFunction) {
+        final EitherHolder<V> holder = data.get(key);
+        if (holder != null) {
+            backupTag.put(key.identifier(), eitherHolderToTag(holder, valueSaveFunction));
+        }
+    }
+
+    protected <V> void saveHolderData(final StructuredDataKey<Holder<V>> key, final StructuredDataContainer data, final CompoundTag backupTag, final BiConsumer<V, CompoundTag> valueSaveFunction) {
+        final Holder<V> holder = data.get(key);
+        if (holder != null) {
+            backupTag.put(key.identifier(), holderToTag(holder, valueSaveFunction));
+        }
+    }
+
     protected <V> Holder<V> restoreHolder(final CompoundTag tag, final String key, final Function<CompoundTag, V> valueRestoreFunction) {
         final Tag savedTag = tag.get(key);
         if (savedTag == null) {
@@ -232,6 +258,67 @@ public class BackwardsStructuredItemRewriter<C extends ClientboundPacketType, S
         }
     }
 
+    protected <V> EitherHolder<V> restoreEitherHolder(final CompoundTag tag, final String key, final Function<CompoundTag, V> valueRestoreFunction) {
+        final Tag savedTag = tag.get(key);
+        if (savedTag == null) {
+            return EitherHolder.of(Holder.of(0));
+        }
+
+        if (savedTag instanceof StringTag keyTag) {
+            return EitherHolder.of(keyTag.getValue());
+        } else {
+            return EitherHolder.of(restoreHolder(tag, key, valueRestoreFunction));
+        }
+    }
+
+    protected <V> void restoreHolderData(final StructuredDataKey<Holder<V>> key, final StructuredDataContainer data, final CompoundTag backupTag, final Function<CompoundTag, V> valueRestoreFunction) {
+        if (backupTag.contains(key.identifier())) {
+            data.set(key, restoreHolder(backupTag, key.identifier(), valueRestoreFunction));
+        }
+    }
+
+    protected void saveStringData(final StructuredDataKey<String> key, final StructuredDataContainer data, final CompoundTag backupTag) {
+        final String value = data.get(key);
+        if (value != null) {
+            backupTag.putString(key.identifier(), value);
+        }
+    }
+
+    protected void restoreStringData(final StructuredDataKey<String> key, final StructuredDataContainer data, final CompoundTag backupTag) {
+        final String value = backupTag.getString(key.identifier());
+        if (value != null) {
+            data.set(key, value);
+        }
+    }
+
+    protected void saveIntData(final StructuredDataKey<Integer> key, final StructuredDataContainer data, final CompoundTag backupTag) {
+        final Integer variant = data.get(key);
+        if (variant != null) {
+            backupTag.putInt(key.identifier(), variant);
+        }
+    }
+
+    protected void restoreIntData(final StructuredDataKey<Integer> key, final StructuredDataContainer data, final CompoundTag backupTag) {
+        final IntTag variant = backupTag.getIntTag(key.identifier());
+        if (variant != null) {
+            data.set(key, variant.asInt());
+        }
+    }
+
+    protected void saveFloatData(final StructuredDataKey<Float> key, final StructuredDataContainer data, final CompoundTag backupTag) {
+        final Float variant = data.get(key);
+        if (variant != null) {
+            backupTag.putFloat(key.identifier(), variant);
+        }
+    }
+
+    protected void restoreFloatData(final StructuredDataKey<Float> key, final StructuredDataContainer data, final CompoundTag backupTag) {
+        final FloatTag variant = backupTag.getFloatTag(key.identifier());
+        if (variant != null) {
+            data.set(key, variant.asFloat());
+        }
+    }
+
     @Override
     public String nbtTagName() {
         return "VB|" + protocol.getClass().getSimpleName();

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

@@ -24,7 +24,6 @@ import com.viaversion.viaversion.api.minecraft.entitydata.EntityDataType;
 import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
 import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
 import com.viaversion.viaversion.api.protocol.remapper.PacketHandler;
-import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
 import com.viaversion.viaversion.api.type.Types;
 import com.viaversion.viaversion.api.type.types.version.Types1_14;
 
@@ -40,40 +39,34 @@ public abstract class EntityRewriter<C extends ClientboundPacketType, T extends
 
     @Override
     public void registerTrackerWithData(C packetType, EntityType fallingBlockType) {
-        protocol.registerClientbound(packetType, new PacketHandlers() {
-            @Override
-            public void register() {
-                map(Types.VAR_INT); // 0 - Entity id
-                map(Types.UUID); // 1 - Entity UUID
-                map(Types.VAR_INT); // 2 - Entity Type
-                map(Types.DOUBLE); // 3 - X
-                map(Types.DOUBLE); // 4 - Y
-                map(Types.DOUBLE); // 5 - Z
-                map(Types.BYTE); // 6 - Pitch
-                map(Types.BYTE); // 7 - Yaw
-                map(Types.INT); // 8 - Data
-                handler(getSpawnTrackerWithDataHandler(fallingBlockType));
-            }
+        protocol.registerClientbound(packetType, wrapper -> {
+            wrapper.passthrough(Types.VAR_INT); // Entity ID
+            wrapper.passthrough(Types.UUID); // Entity UUID
+            wrapper.passthrough(Types.VAR_INT); // Entity Type
+            wrapper.passthrough(Types.DOUBLE); // X
+            wrapper.passthrough(Types.DOUBLE); // Y
+            wrapper.passthrough(Types.DOUBLE); // Z
+            wrapper.passthrough(Types.BYTE); // Pitch
+            wrapper.passthrough(Types.BYTE); // Yaw
+            wrapper.passthrough(Types.INT); // Data
+            getSpawnTrackerWithDataHandler(fallingBlockType).handle(wrapper);
         });
     }
 
     @Override
     public void registerTrackerWithData1_19(C packetType, EntityType fallingBlockType) {
-        protocol.registerClientbound(packetType, new PacketHandlers() {
-            @Override
-            public void register() {
-                map(Types.VAR_INT); // Entity id
-                map(Types.UUID); // Entity UUID
-                map(Types.VAR_INT); // Entity type
-                map(Types.DOUBLE); // X
-                map(Types.DOUBLE); // Y
-                map(Types.DOUBLE); // Z
-                map(Types.BYTE); // Pitch
-                map(Types.BYTE); // Yaw
-                map(Types.BYTE); // Head yaw
-                map(Types.VAR_INT); // Data
-                handler(getSpawnTrackerWithDataHandler1_19(fallingBlockType));
-            }
+        protocol.registerClientbound(packetType, wrapper -> {
+            wrapper.passthrough(Types.VAR_INT); // Entity id
+            wrapper.passthrough(Types.UUID); // Entity UUID
+            wrapper.passthrough(Types.VAR_INT); // Entity type
+            wrapper.passthrough(Types.DOUBLE); // X
+            wrapper.passthrough(Types.DOUBLE); // Y
+            wrapper.passthrough(Types.DOUBLE); // Z
+            wrapper.passthrough(Types.BYTE); // Pitch
+            wrapper.passthrough(Types.BYTE); // Yaw
+            wrapper.passthrough(Types.BYTE); // Head yaw
+            wrapper.passthrough(Types.VAR_INT); // Data
+            getSpawnTrackerWithDataHandler1_19(fallingBlockType).handle(wrapper);
         });
     }
 

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

@@ -18,9 +18,16 @@
 
 package com.viaversion.viabackwards.api.rewriters;
 
+import com.viaversion.nbt.tag.ByteTag;
+import com.viaversion.nbt.tag.CompoundTag;
+import com.viaversion.nbt.tag.IntTag;
+import com.viaversion.nbt.tag.NumberTag;
+import com.viaversion.nbt.tag.ShortTag;
+import com.viaversion.nbt.tag.StringTag;
+import com.viaversion.nbt.tag.Tag;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
-import com.viaversion.viabackwards.api.data.MappedLegacyBlockItem;
 import com.viaversion.viabackwards.api.data.BackwardsMappingDataLoader;
+import com.viaversion.viabackwards.api.data.MappedLegacyBlockItem;
 import com.viaversion.viabackwards.protocol.v1_12to1_11_1.data.BlockColors1_11_1;
 import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.api.minecraft.BlockChangeRecord;
@@ -41,17 +48,10 @@ import com.viaversion.viaversion.libs.fastutil.ints.Int2ObjectOpenHashMap;
 import com.viaversion.viaversion.libs.gson.JsonElement;
 import com.viaversion.viaversion.libs.gson.JsonObject;
 import com.viaversion.viaversion.libs.gson.JsonPrimitive;
-import com.viaversion.nbt.tag.ByteTag;
-import com.viaversion.nbt.tag.CompoundTag;
-import com.viaversion.nbt.tag.IntTag;
-import com.viaversion.nbt.tag.NumberTag;
-import com.viaversion.nbt.tag.ShortTag;
-import com.viaversion.nbt.tag.StringTag;
-import com.viaversion.nbt.tag.Tag;
 import com.viaversion.viaversion.util.ComponentUtil;
+import com.viaversion.viaversion.util.IdAndData;
 import java.util.HashMap;
 import java.util.Map;
-import com.viaversion.viaversion.util.IdAndData;
 import org.checkerframework.checker.nullness.qual.Nullable;
 
 public abstract class LegacyBlockItemRewriter<C extends ClientboundPacketType, S extends ServerboundPacketType,
@@ -226,10 +226,9 @@ public abstract class LegacyBlockItemRewriter<C extends ClientboundPacketType, S
 
     public PacketHandler getFallingBlockHandler() {
         return wrapper -> {
-            final EntityTypes1_12.ObjectType type = EntityTypes1_12.ObjectType.findById(wrapper.get(Types.BYTE, 0));
+            final int objectData = wrapper.get(Types.INT, 0);
+            final EntityTypes1_12.ObjectType type = EntityTypes1_12.ObjectType.findById(wrapper.get(Types.BYTE, 0), objectData);
             if (type == EntityTypes1_12.ObjectType.FALLING_BLOCK) {
-                final int objectData = wrapper.get(Types.INT, 0);
-
                 final IdAndData block = handleBlock(objectData & 4095, objectData >> 12 & 15);
                 if (block == null) return;
 

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

@@ -36,7 +36,6 @@ import com.viaversion.viaversion.api.type.Types;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.function.Function;
 import org.checkerframework.checker.nullness.qual.Nullable;
 
 public abstract class LegacyEntityRewriter<C extends ClientboundPacketType, T extends BackwardsProtocol<C, ?, ?, ?>> extends EntityRewriterBase<C, T> {
@@ -125,7 +124,9 @@ public abstract class LegacyEntityRewriter<C extends ClientboundPacketType, T ex
 
     protected PacketHandler getObjectTrackerHandler() {
         return wrapper -> {
-            EntityType type = objectTypeFromId(wrapper.get(Types.BYTE, 0));
+            int id = wrapper.get(Types.BYTE, 0);
+            int data = wrapper.get(Types.INT, 0);
+            EntityType type = objectTypeFromId(id, data);
             if (type == null) {
                 return;
             }
@@ -142,18 +143,20 @@ public abstract class LegacyEntityRewriter<C extends ClientboundPacketType, T ex
         };
     }
 
-    protected PacketHandler getObjectRewriter(Function<Byte, ObjectType> objectGetter) {
+    protected PacketHandler getObjectRewriter(ObjectTypeGetter objectGetter) {
         return wrapper -> {
-            ObjectType type = objectGetter.apply(wrapper.get(Types.BYTE, 0));
+            int id = wrapper.get(Types.BYTE, 0);
+            int data = wrapper.get(Types.INT, 0);
+            ObjectType type = objectGetter.get(id, data);
             if (type == null) {
                 return;
             }
 
-            EntityReplacement data = getObjectData(type);
-            if (data != null) {
-                wrapper.set(Types.BYTE, 0, (byte) data.replacementId());
-                if (data.objectData() != -1) {
-                    wrapper.set(Types.INT, 0, data.objectData());
+            EntityReplacement replacement = getObjectData(type);
+            if (replacement != null) {
+                wrapper.set(Types.BYTE, 0, (byte) replacement.replacementId());
+                if (replacement.objectData() != -1) {
+                    wrapper.set(Types.INT, 0, replacement.objectData());
                 }
             }
         };
@@ -169,4 +172,10 @@ public abstract class LegacyEntityRewriter<C extends ClientboundPacketType, T ex
 
         void setId(PacketWrapper wrapper, int id);
     }
+
+    @FunctionalInterface
+    protected interface ObjectTypeGetter {
+
+        ObjectType get(int id, int data);
+    }
 }

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

@@ -17,13 +17,47 @@
  */
 package com.viaversion.viabackwards.api.rewriters;
 
+import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
 import com.viaversion.viaversion.api.protocol.remapper.PacketHandler;
-import com.viaversion.viaversion.api.type.Type;
 import com.viaversion.viaversion.api.type.Types;
 import com.viaversion.viaversion.rewriter.IdRewriteFunction;
 
 public final class MapColorRewriter {
 
+    /**
+     * Rewrite map colors using the provided id rewriter.
+     *
+     * @param wrapper   packet wrapper
+     * @param rewriter  id rewriter returning mapped colors, or -1 if unmapped
+     * @param iconCount number of icons to read
+     */
+    public static void rewriteMapColors(PacketWrapper wrapper, IdRewriteFunction rewriter, int iconCount) {
+        for (int i = 0; i < iconCount; i++) {
+            wrapper.passthrough(Types.VAR_INT); // Type
+            wrapper.passthrough(Types.BYTE); // X
+            wrapper.passthrough(Types.BYTE); // Z
+            wrapper.passthrough(Types.BYTE); // Direction
+            wrapper.passthrough(Types.OPTIONAL_COMPONENT); // Display Name
+        }
+
+        short columns = wrapper.passthrough(Types.UNSIGNED_BYTE);
+        if (columns < 1) {
+            return;
+        }
+
+        wrapper.passthrough(Types.UNSIGNED_BYTE); // Rows
+        wrapper.passthrough(Types.UNSIGNED_BYTE); // X
+        wrapper.passthrough(Types.UNSIGNED_BYTE); // Z
+        byte[] data = wrapper.passthrough(Types.BYTE_ARRAY_PRIMITIVE);
+        for (int i = 0; i < data.length; i++) {
+            int color = data[i] & 0xFF;
+            int mappedColor = rewriter.rewrite(color);
+            if (mappedColor != -1) {
+                data[i] = (byte) mappedColor;
+            }
+        }
+    }
+
     /**
      * Returns a packethandler to rewrite map data color ids. Reading starts from the icon count.
      *
@@ -31,30 +65,6 @@ public final class MapColorRewriter {
      * @return packethandler to rewrite map data color ids
      */
     public static PacketHandler getRewriteHandler(IdRewriteFunction rewriter) {
-        return wrapper -> {
-            int iconCount = wrapper.passthrough(Types.VAR_INT);
-            for (int i = 0; i < iconCount; i++) {
-                wrapper.passthrough(Types.VAR_INT); // Type
-                wrapper.passthrough(Types.BYTE); // X
-                wrapper.passthrough(Types.BYTE); // Z
-                wrapper.passthrough(Types.BYTE); // Direction
-                wrapper.passthrough(Types.OPTIONAL_COMPONENT); // Display Name
-            }
-
-            short columns = wrapper.passthrough(Types.UNSIGNED_BYTE);
-            if (columns < 1) return;
-
-            wrapper.passthrough(Types.UNSIGNED_BYTE); // Rows
-            wrapper.passthrough(Types.UNSIGNED_BYTE); // X
-            wrapper.passthrough(Types.UNSIGNED_BYTE); // Z
-            byte[] data = wrapper.passthrough(Types.BYTE_ARRAY_PRIMITIVE);
-            for (int i = 0; i < data.length; i++) {
-                int color = data[i] & 0xFF;
-                int mappedColor = rewriter.rewrite(color);
-                if (mappedColor != -1) {
-                    data[i] = (byte) mappedColor;
-                }
-            }
-        };
+        return wrapper -> rewriteMapColors(wrapper, rewriter, wrapper.passthrough(Types.VAR_INT));
     }
 }

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

@@ -59,16 +59,16 @@ public class StructuredEnchantmentRewriter {
             final String remappedName = mappingData.mappedEnchantmentName(id);
             return ComponentUtil.jsonStringToTag(ChatUtil.legacyToJsonString("§7" + remappedName, ENCHANTMENT_LEVEL_TRANSLATION.formatted(level), true));
         };
-        rewriteEnchantmentsToClient(data, StructuredDataKey.ENCHANTMENTS, idRewriteFunction, descriptionSupplier, false);
-        rewriteEnchantmentsToClient(data, StructuredDataKey.STORED_ENCHANTMENTS, idRewriteFunction, descriptionSupplier, true);
+        rewriteEnchantmentsToClient(data, StructuredDataKey.ENCHANTMENTS1_20_5, idRewriteFunction, descriptionSupplier, false);
+        rewriteEnchantmentsToClient(data, StructuredDataKey.STORED_ENCHANTMENTS1_20_5, idRewriteFunction, descriptionSupplier, true);
     }
 
     public void handleToServer(final Item item) {
         final StructuredDataContainer data = item.dataContainer();
         final CompoundTag customData = data.get(StructuredDataKey.CUSTOM_DATA);
         if (customData != null) {
-            rewriteEnchantmentsToServer(data, customData, StructuredDataKey.ENCHANTMENTS);
-            rewriteEnchantmentsToServer(data, customData, StructuredDataKey.STORED_ENCHANTMENTS);
+            rewriteEnchantmentsToServer(data, customData, StructuredDataKey.ENCHANTMENTS1_20_5);
+            rewriteEnchantmentsToServer(data, customData, StructuredDataKey.STORED_ENCHANTMENTS1_20_5);
         }
     }
 

common/src/main/java/com/viaversion/viabackwards/api/rewriters/text/JsonNBTComponentRewriter.java

@@ -0,0 +1,64 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2025 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.api.rewriters.text;
+
+import com.viaversion.nbt.tag.CompoundTag;
+import com.viaversion.nbt.tag.StringTag;
+import com.viaversion.viabackwards.api.BackwardsProtocol;
+import com.viaversion.viabackwards.api.data.TranslatableMappings;
+import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
+import com.viaversion.viaversion.libs.gson.JsonObject;
+import java.util.Map;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+public class JsonNBTComponentRewriter<C extends ClientboundPacketType> extends com.viaversion.viaversion.rewriter.text.JsonNBTComponentRewriter<C> implements TranslatableRewriter {
+
+    private final Map<String, String> translatables;
+
+    public JsonNBTComponentRewriter(final BackwardsProtocol<C, ?, ?, ?> protocol, final ReadType type) {
+        super(protocol, type);
+        this.translatables = TranslatableMappings.translatablesFor(protocol);
+    }
+
+    public JsonNBTComponentRewriter(final BackwardsProtocol<C, ?, ?, ?> protocol, final ReadType type, final String version) {
+        super(protocol, type);
+        this.translatables = TranslatableMappings.translatablesFor(version);
+    }
+
+    @Override
+    protected void handleTranslate(final JsonObject root, final String translate) {
+        final String newTranslate = mappedTranslationKey(translate);
+        if (newTranslate != null) {
+            root.addProperty("translate", newTranslate);
+        }
+    }
+
+    @Override
+    protected void handleTranslate(final UserConnection connection, final CompoundTag parentTag, final StringTag translateTag) {
+        final String newTranslate = mappedTranslationKey(translateTag.getValue());
+        if (newTranslate != null) {
+            parentTag.put("translate", new StringTag(newTranslate));
+        }
+    }
+
+    @Override
+    public @Nullable String mappedTranslationKey(final String translationKey) {
+        return translatables.get(translationKey);
+    }
+}

common/src/main/java/com/viaversion/viabackwards/api/rewriters/text/NBTComponentRewriter.java

@@ -0,0 +1,64 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2025 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.api.rewriters.text;
+
+import com.viaversion.nbt.tag.CompoundTag;
+import com.viaversion.nbt.tag.StringTag;
+import com.viaversion.viabackwards.api.BackwardsProtocol;
+import com.viaversion.viabackwards.api.data.TranslatableMappings;
+import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
+import com.viaversion.viaversion.libs.gson.JsonObject;
+import java.util.Map;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+public class NBTComponentRewriter<C extends ClientboundPacketType> extends com.viaversion.viaversion.rewriter.text.NBTComponentRewriter<C> implements TranslatableRewriter {
+
+    private final Map<String, String> translatables;
+
+    public NBTComponentRewriter(final BackwardsProtocol<C, ?, ?, ?> protocol) {
+        super(protocol);
+        this.translatables = TranslatableMappings.translatablesFor(protocol);
+    }
+
+    public NBTComponentRewriter(final BackwardsProtocol<C, ?, ?, ?> protocol, final String version) {
+        super(protocol);
+        this.translatables = TranslatableMappings.translatablesFor(version);
+    }
+
+    @Override
+    protected void handleTranslate(final JsonObject root, final String translate) {
+        final String newTranslate = mappedTranslationKey(translate);
+        if (newTranslate != null) {
+            root.addProperty("translate", newTranslate);
+        }
+    }
+
+    @Override
+    protected void handleTranslate(final UserConnection connection, final CompoundTag parentTag, final StringTag translateTag) {
+        final String newTranslate = mappedTranslationKey(translateTag.getValue());
+        if (newTranslate != null) {
+            parentTag.put("translate", new StringTag(newTranslate));
+        }
+    }
+
+    @Override
+    public @Nullable String mappedTranslationKey(final String translationKey) {
+        return translatables.get(translationKey);
+    }
+}

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

@@ -0,0 +1,27 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2025 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.api.rewriters.text;
+
+import com.viaversion.viaversion.api.rewriter.ComponentRewriter;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+public interface TranslatableRewriter extends ComponentRewriter {
+
+    @Nullable
+    String mappedTranslationKey(String translationKey);
+}

common/src/main/java/com/viaversion/viabackwards/protocol/template/BlockItemPacketRewriter1_99.java

@@ -18,17 +18,19 @@
 package com.viaversion.viabackwards.protocol.template;
 
 import com.viaversion.viabackwards.api.rewriters.BackwardsStructuredItemRewriter;
-import com.viaversion.viaversion.api.type.types.chunk.ChunkType1_20_2;
+import com.viaversion.viaversion.api.type.types.chunk.ChunkType1_21_5;
 import com.viaversion.viaversion.api.type.types.version.Types1_21_4;
+import com.viaversion.viaversion.api.type.types.version.Types1_21_5;
 import com.viaversion.viaversion.protocols.v1_21_2to1_21_4.packet.ServerboundPacket1_21_4;
 import com.viaversion.viaversion.protocols.v1_21_2to1_21_4.packet.ServerboundPackets1_21_4;
+import com.viaversion.viaversion.protocols.v1_21_4to1_21_5.rewriter.RecipeDisplayRewriter1_21_5;
 import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPacket1_21_2;
 import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPackets1_21_2;
 import com.viaversion.viaversion.rewriter.BlockRewriter;
 import com.viaversion.viaversion.rewriter.RecipeDisplayRewriter;
 
 // To replace if needed:
-//   ChunkType1_20_2
+//   ChunkType1_21_5
 //   RecipeDisplayRewriter
 //   Types1_21_4
 final class BlockItemPacketRewriter1_99 extends BackwardsStructuredItemRewriter<ClientboundPacket1_21_2, ServerboundPacket1_21_4, Protocol1_98To1_99> {
@@ -48,7 +50,7 @@ final class BlockItemPacketRewriter1_99 extends BackwardsStructuredItemRewriter<
         blockRewriter.registerBlockUpdate(ClientboundPackets1_21_2.BLOCK_UPDATE);
         blockRewriter.registerSectionBlocksUpdate1_20(ClientboundPackets1_21_2.SECTION_BLOCKS_UPDATE);
         blockRewriter.registerLevelEvent1_21(ClientboundPackets1_21_2.LEVEL_EVENT, 2001);
-        blockRewriter.registerLevelChunk1_19(ClientboundPackets1_21_2.LEVEL_CHUNK_WITH_LIGHT, ChunkType1_20_2::new);
+        blockRewriter.registerLevelChunk1_19(ClientboundPackets1_21_2.LEVEL_CHUNK_WITH_LIGHT, ChunkType1_21_5::new);
         blockRewriter.registerBlockEntityData(ClientboundPackets1_21_2.BLOCK_ENTITY_DATA);
 
         // registerOpenScreen(ClientboundPackets1_21_2.OPEN_SCREEN);
@@ -60,10 +62,10 @@ final class BlockItemPacketRewriter1_99 extends BackwardsStructuredItemRewriter<
         registerAdvancements1_20_3(ClientboundPackets1_21_2.UPDATE_ADVANCEMENTS);
         registerSetEquipment(ClientboundPackets1_21_2.SET_EQUIPMENT);
         registerMerchantOffers1_20_5(ClientboundPackets1_21_2.MERCHANT_OFFERS);
-        registerContainerClick1_21_2(ServerboundPackets1_21_4.CONTAINER_CLICK);
-        registerSetCreativeModeSlot(ServerboundPackets1_21_4.SET_CREATIVE_MODE_SLOT);
+        registerContainerClick1_21_5(ServerboundPackets1_21_4.CONTAINER_CLICK);
+        registerSetCreativeModeSlot1_21_5(ServerboundPackets1_21_4.SET_CREATIVE_MODE_SLOT, Types1_21_5.LENGTH_PREFIXED_ITEM, Types1_21_5.LENGTH_PREFIXED_ITEM); // Change this
 
-        final RecipeDisplayRewriter<ClientboundPacket1_21_2> recipeRewriter = new RecipeDisplayRewriter<>(protocol);
+        final RecipeDisplayRewriter<ClientboundPacket1_21_2> recipeRewriter = new RecipeDisplayRewriter1_21_5<>(protocol);
         recipeRewriter.registerUpdateRecipes(ClientboundPackets1_21_2.UPDATE_RECIPES);
         recipeRewriter.registerRecipeBookAdd(ClientboundPackets1_21_2.RECIPE_BOOK_ADD);
         recipeRewriter.registerPlaceGhostRecipe(ClientboundPackets1_21_2.PLACE_GHOST_RECIPE);

common/src/main/java/com/viaversion/viabackwards/protocol/template/ComponentRewriter1_99.java

@@ -19,15 +19,14 @@ package com.viaversion.viabackwards.protocol.template;
 
 import com.viaversion.nbt.tag.CompoundTag;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.NBTComponentRewriter;
 import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPacket1_21_2;
-import com.viaversion.viaversion.util.SerializerVersion;
 
-final class ComponentRewriter1_99 extends TranslatableRewriter<ClientboundPacket1_21_2> {
+final class ComponentRewriter1_99 extends NBTComponentRewriter<ClientboundPacket1_21_2> {
 
     public ComponentRewriter1_99(final BackwardsProtocol<ClientboundPacket1_21_2, ?, ?, ?> protocol) {
-        super(protocol, ReadType.NBT);
+        super(protocol);
     }
 
     @Override
@@ -38,11 +37,6 @@ final class ComponentRewriter1_99 extends TranslatableRewriter<ClientboundPacket
         }
 
         // Remove or update data from componentsTag
-        // New added data which is not handled otherwise needs to be removed to prevent errors on the client
-    }
-
-    @Override
-    protected SerializerVersion inputSerializerVersion() {
-        return SerializerVersion.V1_21_4;
+        // Newly added data which is not handled otherwise needs to be removed to prevent errors on the client
     }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/template/EntityPacketRewriter1_99.java

@@ -20,7 +20,6 @@ package com.viaversion.viabackwards.protocol.template;
 import com.viaversion.viabackwards.api.rewriters.EntityRewriter;
 import com.viaversion.viaversion.api.minecraft.entities.EntityType;
 import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_21_4;
-import com.viaversion.viaversion.api.type.Types;
 import com.viaversion.viaversion.api.type.types.version.Types1_21_4;
 import com.viaversion.viaversion.protocols.v1_20_5to1_21.packet.ClientboundConfigurationPackets1_21;
 import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPacket1_21_2;
@@ -41,31 +40,13 @@ final class EntityPacketRewriter1_99 extends EntityRewriter<ClientboundPacket1_2
         registerTrackerWithData1_19(ClientboundPackets1_21_2.ADD_ENTITY, EntityTypes1_21_4.FALLING_BLOCK);
         registerSetEntityData(ClientboundPackets1_21_2.SET_ENTITY_DATA, /*Types1_OLD.ENTITY_DATA_LIST, */Types1_21_4.ENTITY_DATA_LIST); // Specify old and new entity data list if changed
         registerRemoveEntities(ClientboundPackets1_21_2.REMOVE_ENTITIES);
+        registerPlayerAbilities(ClientboundPackets1_21_2.PLAYER_ABILITIES);
+        registerGameEvent(ClientboundPackets1_21_2.GAME_EVENT);
+        registerLogin1_20_5(ClientboundPackets1_21_2.LOGIN);
+        registerRespawn1_20_5(ClientboundPackets1_21_2.RESPAWN);
 
         final RegistryDataRewriter registryDataRewriter = new RegistryDataRewriter(protocol);
         protocol.registerClientbound(ClientboundConfigurationPackets1_21.REGISTRY_DATA, registryDataRewriter::handle);
-
-        protocol.registerClientbound(ClientboundPackets1_21_2.LOGIN, wrapper -> {
-            final int entityId = wrapper.passthrough(Types.INT); // Entity id
-            wrapper.passthrough(Types.BOOLEAN); // Hardcore
-            wrapper.passthrough(Types.STRING_ARRAY); // World List
-            wrapper.passthrough(Types.VAR_INT); // Max players
-            wrapper.passthrough(Types.VAR_INT); // View distance
-            wrapper.passthrough(Types.VAR_INT); // Simulation distance
-            wrapper.passthrough(Types.BOOLEAN); // Reduced debug info
-            wrapper.passthrough(Types.BOOLEAN); // Show death screen
-            wrapper.passthrough(Types.BOOLEAN); // Limited crafting
-            final int dimensionId = wrapper.passthrough(Types.VAR_INT);
-            final String world = wrapper.passthrough(Types.STRING);
-            trackWorldDataByKey1_20_5(wrapper.user(), dimensionId, world);
-            trackPlayer(wrapper.user(), entityId);
-        });
-
-        protocol.registerClientbound(ClientboundPackets1_21_2.RESPAWN, wrapper -> {
-            final int dimensionId = wrapper.passthrough(Types.VAR_INT);
-            final String world = wrapper.passthrough(Types.STRING);
-            trackWorldDataByKey1_20_5(wrapper.user(), dimensionId, world); // Tracks world height and name for chunk data and entity (un)tracking
-        });
     }
 
     @Override
@@ -90,7 +71,6 @@ final class EntityPacketRewriter1_99 extends EntityRewriter<ClientboundPacket1_2
             Types1_21_4.ENTITY_DATA_TYPES.componentType,
             Types1_21_4.ENTITY_DATA_TYPES.optionalComponentType
         );
-        registerBlockStateHandler(EntityTypes1_21_4.ABSTRACT_MINECART, 11);
 
         // Remove entity data of new entity type
         // filter().type(EntityTypes1_21_4.SNIFFER).removeIndex(newIndex);

common/src/main/java/com/viaversion/viabackwards/protocol/template/Protocol1_98To1_99.java

@@ -20,7 +20,7 @@ package com.viaversion.viabackwards.protocol.template;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
 import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.NBTComponentRewriter;
 import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_21_4;
 import com.viaversion.viaversion.api.protocol.packet.provider.PacketTypesProvider;
@@ -57,7 +57,7 @@ final class Protocol1_98To1_99 extends BackwardsProtocol<ClientboundPacket1_21_2
     private final EntityPacketRewriter1_99 entityRewriter = new EntityPacketRewriter1_99(this);
     private final BlockItemPacketRewriter1_99 itemRewriter = new BlockItemPacketRewriter1_99(this);
     private final ParticleRewriter<ClientboundPacket1_21_2> particleRewriter = new ParticleRewriter<>(this, Types1_21_4.PARTICLE/*, Types1_OLD.PARTICLE*/);
-    private final TranslatableRewriter<ClientboundPacket1_21_2> translatableRewriter = new ComponentRewriter1_99(this);
+    private final NBTComponentRewriter<ClientboundPacket1_21_2> translatableRewriter = new ComponentRewriter1_99(this);
     private final TagRewriter<ClientboundPacket1_21_2> tagRewriter = new TagRewriter<>(this);
 
     public Protocol1_98To1_99() {
@@ -80,7 +80,7 @@ final class Protocol1_98To1_99 extends BackwardsProtocol<ClientboundPacket1_21_2
         //new AttributeRewriter<>(this).register1_21(ClientboundPackets1_21_2.UPDATE_ATTRIBUTES);
 
         // Registers translatable mappings (missing a whole bunch still)
-        //translatableRewriter.registerOpenScreen(ClientboundPackets1_21_2.OPEN_SCREEN); // Handled by registerOpenScreen in item rewriters
+        //translatableRewriter.registerOpenScreen1_14(ClientboundPackets1_21_2.OPEN_SCREEN); // Handled by registerOpenScreen in item rewriters
         translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.SET_ACTION_BAR_TEXT);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.SET_TITLE_TEXT);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.SET_SUBTITLE_TEXT);
@@ -88,13 +88,14 @@ final class Protocol1_98To1_99 extends BackwardsProtocol<ClientboundPacket1_21_2
         translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.DISCONNECT);
         translatableRewriter.registerTabList(ClientboundPackets1_21_2.TAB_LIST);
         translatableRewriter.registerPlayerCombatKill1_20(ClientboundPackets1_21_2.PLAYER_COMBAT_KILL);
-        translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.SYSTEM_CHAT);
-        translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.DISGUISED_CHAT);
         translatableRewriter.registerPlayerInfoUpdate1_21_4(ClientboundPackets1_21_2.PLAYER_INFO_UPDATE);
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.SYSTEM_CHAT);
+        translatableRewriter.registerDisguisedChat(ClientboundPackets1_21_2.DISGUISED_CHAT);
+        translatableRewriter.registerPlayerChat1_21_5(ClientboundPackets1_21_2.PLAYER_CHAT);
         translatableRewriter.registerPing();
 
         // If needed for any particle, item, or block changes. Extend ParticleRewriter for particle serializer changes
-        particleRewriter.registerLevelParticles1_20_5(ClientboundPackets1_21_2.LEVEL_PARTICLES);
+        particleRewriter.registerLevelParticles1_21_4(ClientboundPackets1_21_2.LEVEL_PARTICLES);
         particleRewriter.registerExplode1_21_2(ClientboundPackets1_21_2.EXPLODE);
     }
 
@@ -124,7 +125,7 @@ final class Protocol1_98To1_99 extends BackwardsProtocol<ClientboundPacket1_21_2
     }
 
     @Override
-    public TranslatableRewriter<ClientboundPacket1_21_2> getComponentRewriter() {
+    public NBTComponentRewriter<ClientboundPacket1_21_2> getComponentRewriter() {
         return translatableRewriter;
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_10to1_9_3/Protocol1_10To1_9_3.java

@@ -21,7 +21,7 @@ package com.viaversion.viabackwards.protocol.v1_10to1_9_3;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
 import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_10to1_9_3.rewriter.BlockItemPacketRewriter1_10;
 import com.viaversion.viabackwards.protocol.v1_10to1_9_3.rewriter.EntityPacketRewriter1_10;
 import com.viaversion.viaversion.api.connection.UserConnection;
@@ -34,7 +34,7 @@ import com.viaversion.viaversion.api.type.Types;
 import com.viaversion.viaversion.data.entity.EntityTrackerBase;
 import com.viaversion.viaversion.protocols.v1_9_1to1_9_3.packet.ClientboundPackets1_9_3;
 import com.viaversion.viaversion.protocols.v1_9_1to1_9_3.packet.ServerboundPackets1_9_3;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 
 public class Protocol1_10To1_9_3 extends BackwardsProtocol<ClientboundPackets1_9_3, ClientboundPackets1_9_3, ServerboundPackets1_9_3, ServerboundPackets1_9_3> {
 
@@ -92,7 +92,7 @@ public class Protocol1_10To1_9_3 extends BackwardsProtocol<ClientboundPackets1_9
             }
         });
 
-        TranslatableRewriter<ClientboundPackets1_9_3> componentRewriter = new TranslatableRewriter<>(this, ComponentRewriter.ReadType.JSON);
+        JsonNBTComponentRewriter<ClientboundPackets1_9_3> componentRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON);
         componentRewriter.registerComponentPacket(ClientboundPackets1_9_3.CHAT);
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_10to1_9_3/rewriter/EntityPacketRewriter1_10.java

@@ -164,11 +164,11 @@ public class EntityPacketRewriter1_10 extends LegacyEntityRewriter<ClientboundPa
 
     @Override
     public EntityType typeFromId(int typeId) {
-        return EntityTypes1_10.getTypeFromId(typeId, false);
+        return EntityTypes1_10.EntityType.findById(typeId);
     }
 
     @Override
-    public EntityType objectTypeFromId(int typeId) {
-        return EntityTypes1_10.getTypeFromId(typeId, true);
+    public EntityType objectTypeFromId(int typeId, int data) {
+        return EntityTypes1_10.ObjectType.getEntityType(typeId, data);
     }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/v1_11_1to1_11/rewriter/EntityPacketRewriter1_11_1.java

@@ -117,11 +117,11 @@ public class EntityPacketRewriter1_11_1 extends LegacyEntityRewriter<Clientbound
 
     @Override
     public EntityType typeFromId(int typeId) {
-        return EntityTypes1_11.getTypeFromId(typeId, false);
+        return EntityTypes1_11.EntityType.findById(typeId);
     }
 
     @Override
-    public EntityType objectTypeFromId(int typeId) {
-        return EntityTypes1_11.getTypeFromId(typeId, true);
+    public EntityType objectTypeFromId(int typeId, int data) {
+        return EntityTypes1_11.ObjectType.getEntityType(typeId, data);
     }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/v1_11to1_10/Protocol1_11To1_10.java

@@ -21,7 +21,7 @@ package com.viaversion.viabackwards.protocol.v1_11to1_10;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
 import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_11to1_10.rewriter.BlockItemPacketRewriter1_11;
 import com.viaversion.viabackwards.protocol.v1_11to1_10.rewriter.EntityPacketRewriter1_11;
 import com.viaversion.viabackwards.protocol.v1_11to1_10.rewriter.PlayerPacketRewriter1_11;
@@ -30,17 +30,16 @@ import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.api.minecraft.ClientWorld;
 import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_11;
 import com.viaversion.viaversion.data.entity.EntityTrackerBase;
-import com.viaversion.viaversion.protocols.v1_11_1to1_12.packet.ClientboundPackets1_12;
 import com.viaversion.viaversion.protocols.v1_9_1to1_9_3.packet.ClientboundPackets1_9_3;
 import com.viaversion.viaversion.protocols.v1_9_1to1_9_3.packet.ServerboundPackets1_9_3;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 
 public class Protocol1_11To1_10 extends BackwardsProtocol<ClientboundPackets1_9_3, ClientboundPackets1_9_3, ServerboundPackets1_9_3, ServerboundPackets1_9_3> {
 
     public static final BackwardsMappingData MAPPINGS = new BackwardsMappingData("1.11", "1.10");
     private final EntityPacketRewriter1_11 entityRewriter = new EntityPacketRewriter1_11(this);
     private final BlockItemPacketRewriter1_11 itemRewriter = new BlockItemPacketRewriter1_11(this);
-    private TranslatableRewriter<ClientboundPackets1_9_3> componentRewriter;
+    private JsonNBTComponentRewriter<ClientboundPackets1_9_3> componentRewriter;
 
     public Protocol1_11To1_10() {
         super(ClientboundPackets1_9_3.class, ClientboundPackets1_9_3.class, ServerboundPackets1_9_3.class, ServerboundPackets1_9_3.class);
@@ -56,7 +55,7 @@ public class Protocol1_11To1_10 extends BackwardsProtocol<ClientboundPackets1_9_
         soundRewriter.registerNamedSound(ClientboundPackets1_9_3.CUSTOM_SOUND);
         soundRewriter.registerSound(ClientboundPackets1_9_3.SOUND);
 
-        componentRewriter = new TranslatableRewriter<>(this, ComponentRewriter.ReadType.JSON);
+        componentRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON);
         componentRewriter.registerComponentPacket(ClientboundPackets1_9_3.CHAT);
     }
 
@@ -85,7 +84,7 @@ public class Protocol1_11To1_10 extends BackwardsProtocol<ClientboundPackets1_9_
         return itemRewriter;
     }
 
-    public TranslatableRewriter<ClientboundPackets1_9_3> getComponentRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPackets1_9_3> getComponentRewriter() {
         return componentRewriter;
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_11to1_10/rewriter/BlockItemPacketRewriter1_11.java

@@ -60,7 +60,7 @@ public class BlockItemPacketRewriter1_11 extends LegacyBlockItemRewriter<Clientb
         protocol.registerClientbound(ClientboundPackets1_9_3.CONTAINER_SET_SLOT, new PacketHandlers() {
             @Override
             public void register() {
-                map(Types.UNSIGNED_BYTE); // 0 - Window ID
+                map(Types.BYTE); // 0 - Window ID
                 map(Types.SHORT); // 1 - Slot ID
                 map(Types.ITEM1_8); // 2 - Slot Value
 
@@ -118,7 +118,7 @@ public class BlockItemPacketRewriter1_11 extends LegacyBlockItemRewriter<Clientb
         protocol.registerServerbound(ServerboundPackets1_9_3.CONTAINER_CLICK, new PacketHandlers() {
             @Override
             public void register() {
-                map(Types.UNSIGNED_BYTE); // 0 - Window ID
+                map(Types.BYTE); // 0 - Window ID
                 map(Types.SHORT); // 1 - Slot
                 map(Types.BYTE); // 2 - Button
                 map(Types.SHORT); // 3 - Action number

common/src/main/java/com/viaversion/viabackwards/protocol/v1_11to1_10/rewriter/EntityPacketRewriter1_11.java

@@ -364,11 +364,11 @@ public class EntityPacketRewriter1_11 extends LegacyEntityRewriter<ClientboundPa
 
     @Override
     public EntityType typeFromId(int typeId) {
-        return EntityTypes1_11.getTypeFromId(typeId, false);
+        return EntityTypes1_11.EntityType.findById(typeId);
     }
 
     @Override
-    public EntityType objectTypeFromId(int typeId) {
-        return EntityTypes1_11.getTypeFromId(typeId, true);
+    public EntityType objectTypeFromId(int typeId, int data) {
+        return EntityTypes1_11.ObjectType.getEntityType(typeId, data);
     }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/v1_12to1_11_1/rewriter/BlockItemPacketRewriter1_12.java

@@ -95,7 +95,7 @@ public class BlockItemPacketRewriter1_12 extends LegacyBlockItemRewriter<Clientb
         protocol.registerServerbound(ServerboundPackets1_9_3.CONTAINER_CLICK, new PacketHandlers() {
             @Override
             public void register() {
-                map(Types.UNSIGNED_BYTE); // 0 - Window ID
+                map(Types.BYTE); // 0 - Window ID
                 map(Types.SHORT); // 1 - Slot
                 map(Types.BYTE); // 2 - Button
                 map(Types.SHORT); // 3 - Action number
@@ -112,7 +112,7 @@ public class BlockItemPacketRewriter1_12 extends LegacyBlockItemRewriter<Clientb
 
                         // Apologize (may happen in some cases, maybe if inventory is full?)
                         PacketWrapper confirm = wrapper.create(ServerboundPackets1_12.CONTAINER_ACK);
-                        confirm.write(Types.UNSIGNED_BYTE, wrapper.get(Types.UNSIGNED_BYTE, 0));
+                        confirm.write(Types.BYTE, wrapper.get(Types.BYTE, 0));
                         confirm.write(Types.SHORT, wrapper.get(Types.SHORT, 1));
                         confirm.write(Types.BOOLEAN, false); // Success - not used
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_12to1_11_1/rewriter/ComponentRewriter1_12.java

@@ -18,18 +18,18 @@
 
 package com.viaversion.viabackwards.protocol.v1_12to1_11_1.rewriter;
 
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_12to1_11_1.Protocol1_12To1_11_1;
 import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.libs.gson.JsonElement;
 import com.viaversion.viaversion.libs.gson.JsonObject;
 import com.viaversion.viaversion.protocols.v1_11_1to1_12.packet.ClientboundPackets1_12;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 
-public class ComponentRewriter1_12 extends TranslatableRewriter<ClientboundPackets1_12> {
+public class ComponentRewriter1_12 extends JsonNBTComponentRewriter<ClientboundPackets1_12> {
 
     public ComponentRewriter1_12(Protocol1_12To1_11_1 protocol) {
-        super(protocol, ComponentRewriter.ReadType.JSON);
+        super(protocol, ComponentRewriterBase.ReadType.JSON);
     }
 
     @Override

common/src/main/java/com/viaversion/viabackwards/protocol/v1_12to1_11_1/rewriter/EntityPacketRewriter1_12.java

@@ -18,6 +18,7 @@
 
 package com.viaversion.viabackwards.protocol.v1_12to1_11_1.rewriter;
 
+import com.viaversion.nbt.tag.CompoundTag;
 import com.viaversion.viabackwards.api.rewriters.LegacyEntityRewriter;
 import com.viaversion.viabackwards.protocol.v1_12to1_11_1.Protocol1_12To1_11_1;
 import com.viaversion.viabackwards.protocol.v1_12to1_11_1.storage.ParrotStorage;
@@ -35,7 +36,6 @@ import com.viaversion.viaversion.api.type.types.version.Types1_9;
 import com.viaversion.viaversion.libs.gson.JsonElement;
 import com.viaversion.viaversion.protocols.v1_11_1to1_12.packet.ClientboundPackets1_12;
 import com.viaversion.viaversion.protocols.v1_9_1to1_9_3.packet.ClientboundPackets1_9_3;
-import com.viaversion.nbt.tag.CompoundTag;
 
 public class EntityPacketRewriter1_12 extends LegacyEntityRewriter<ClientboundPackets1_12, Protocol1_12To1_11_1> {
 
@@ -285,11 +285,11 @@ public class EntityPacketRewriter1_12 extends LegacyEntityRewriter<ClientboundPa
 
     @Override
     public EntityType typeFromId(int typeId) {
-        return EntityTypes1_12.getTypeFromId(typeId, false);
+        return EntityTypes1_12.EntityType.findById(typeId);
     }
 
     @Override
-    public EntityType objectTypeFromId(int typeId) {
-        return EntityTypes1_12.getTypeFromId(typeId, true);
+    public EntityType objectTypeFromId(int typeId, int data) {
+        return EntityTypes1_12.ObjectType.getEntityType(typeId, data);
     }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/v1_13_1to1_13/Protocol1_13_1To1_13.java

@@ -20,7 +20,7 @@ package com.viaversion.viabackwards.protocol.v1_13_1to1_13;
 import com.viaversion.viabackwards.ViaBackwards;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_13_1to1_13.rewriter.CommandRewriter1_13_1;
 import com.viaversion.viabackwards.protocol.v1_13_1to1_13.rewriter.EntityPacketRewriter1_13_1;
 import com.viaversion.viabackwards.protocol.v1_13_1to1_13.rewriter.ItemPacketRewriter1_13_1;
@@ -40,7 +40,7 @@ import com.viaversion.viaversion.libs.gson.JsonObject;
 import com.viaversion.viaversion.protocols.v1_12_2to1_13.packet.ClientboundPackets1_13;
 import com.viaversion.viaversion.protocols.v1_12_2to1_13.packet.ServerboundPackets1_13;
 import com.viaversion.viaversion.protocols.v1_13to1_13_1.Protocol1_13To1_13_1;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
 import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
@@ -52,7 +52,7 @@ public class Protocol1_13_1To1_13 extends BackwardsProtocol<ClientboundPackets1_
     private final EntityPacketRewriter1_13_1 entityRewriter = new EntityPacketRewriter1_13_1(this);
     private final ItemPacketRewriter1_13_1 itemRewriter = new ItemPacketRewriter1_13_1(this);
     private final ParticleRewriter<ClientboundPackets1_13> particleRewriter = new ParticleRewriter<>(this);
-    private final TranslatableRewriter<ClientboundPackets1_13> translatableRewriter = new TranslatableRewriter<>(this, ComponentRewriter.ReadType.JSON);
+    private final JsonNBTComponentRewriter<ClientboundPackets1_13> translatableRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON);
     private final TagRewriter<ClientboundPackets1_13> tagRewriter = new TagRewriter<>(this);
 
     public Protocol1_13_1To1_13() {
@@ -230,7 +230,7 @@ public class Protocol1_13_1To1_13 extends BackwardsProtocol<ClientboundPackets1_
         return particleRewriter;
     }
 
-    public TranslatableRewriter<ClientboundPackets1_13> translatableRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPackets1_13> translatableRewriter() {
         return translatableRewriter;
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_13_1to1_13/rewriter/EntityPacketRewriter1_13_1.java

@@ -55,14 +55,14 @@ public class EntityPacketRewriter1_13_1 extends LegacyEntityRewriter<Clientbound
                 handler(wrapper -> {
                     int entityId = wrapper.get(Types.VAR_INT, 0);
                     byte type = wrapper.get(Types.BYTE, 0);
-                    EntityTypes1_13.EntityType entType = EntityTypes1_13.getTypeFromId(type, true);
+                    int data = wrapper.get(Types.INT, 0);
+                    EntityTypes1_13.EntityType entType = EntityTypes1_13.ObjectType.getEntityType(type, data);
                     if (entType == null) {
                         return;
                     }
 
                     // Rewrite falling block
                     if (entType.is(EntityTypes1_13.EntityType.FALLING_BLOCK)) {
-                        int data = wrapper.get(Types.INT, 0);
                         wrapper.set(Types.INT, 0, protocol.getMappingData().getNewBlockStateId(data));
                     }
 
@@ -159,11 +159,11 @@ public class EntityPacketRewriter1_13_1 extends LegacyEntityRewriter<Clientbound
 
     @Override
     public EntityType typeFromId(int typeId) {
-        return EntityTypes1_13.getTypeFromId(typeId, false);
+        return EntityTypes1_13.EntityType.findById(typeId);
     }
 
     @Override
-    public EntityType objectTypeFromId(int typeId) {
-        return EntityTypes1_13.getTypeFromId(typeId, true);
+    public EntityType objectTypeFromId(int typeId, int data) {
+        return EntityTypes1_13.ObjectType.getEntityType(typeId, data);
     }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/v1_13_2to1_13_1/rewriter/ItemPacketRewriter1_13_2.java

@@ -30,7 +30,7 @@ public class ItemPacketRewriter1_13_2 {
         protocol.registerClientbound(ClientboundPackets1_13.CONTAINER_SET_SLOT, new PacketHandlers() {
             @Override
             public void register() {
-                map(Types.UNSIGNED_BYTE); // 0 - Window ID
+                map(Types.BYTE); // 0 - Window ID
                 map(Types.SHORT); // 1 - Slot ID
                 map(Types.ITEM1_13_2, Types.ITEM1_13); // 2 - Slot Value
             }
@@ -117,7 +117,7 @@ public class ItemPacketRewriter1_13_2 {
         protocol.registerServerbound(ServerboundPackets1_13.CONTAINER_CLICK, new PacketHandlers() {
             @Override
             public void register() {
-                map(Types.UNSIGNED_BYTE); // 0 - Window ID
+                map(Types.BYTE); // 0 - Window ID
                 map(Types.SHORT); // 1 - Slot
                 map(Types.BYTE); // 2 - Button
                 map(Types.SHORT); // 3 - Action number

common/src/main/java/com/viaversion/viabackwards/protocol/v1_13to1_12_2/Protocol1_13To1_12_2.java

@@ -20,7 +20,7 @@ package com.viaversion.viabackwards.protocol.v1_13to1_12_2;
 
 import com.viaversion.viabackwards.ViaBackwards;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_13to1_12_2.data.BackwardsMappingData1_13;
 import com.viaversion.viabackwards.protocol.v1_13to1_12_2.data.PaintingNames1_13;
 import com.viaversion.viabackwards.protocol.v1_13to1_12_2.provider.BackwardsBlockEntityProvider;
@@ -45,7 +45,7 @@ import com.viaversion.viaversion.protocols.v1_12_2to1_13.packet.ServerboundPacke
 import com.viaversion.viaversion.protocols.v1_12to1_12_1.packet.ClientboundPackets1_12_1;
 import com.viaversion.viaversion.protocols.v1_12to1_12_1.packet.ServerboundPackets1_12_1;
 import com.viaversion.viaversion.protocols.v1_12_2to1_13.Protocol1_12_2To1_13;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 import com.viaversion.viaversion.util.ComponentUtil;
 import com.viaversion.viaversion.util.ProtocolLogger;
 import org.checkerframework.checker.nullness.qual.Nullable;
@@ -56,7 +56,7 @@ public class Protocol1_13To1_12_2 extends BackwardsProtocol<ClientboundPackets1_
     public static final ProtocolLogger LOGGER = new ProtocolLogger(Protocol1_13To1_12_2.class);
     private final EntityPacketRewriter1_13 entityRewriter = new EntityPacketRewriter1_13(this);
     private final BlockItemPacketRewriter1_13 blockItemPackets = new BlockItemPacketRewriter1_13(this);
-    private final TranslatableRewriter<ClientboundPackets1_13> translatableRewriter = new TranslatableRewriter<>(this, ComponentRewriter.ReadType.JSON) {
+    private final JsonNBTComponentRewriter<ClientboundPackets1_13> translatableRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON) {
         @Override
         protected void handleTranslate(JsonObject root, String translate) {
             String mappedKey = mappedTranslationKey(translate);
@@ -65,7 +65,7 @@ public class Protocol1_13To1_12_2 extends BackwardsProtocol<ClientboundPackets1_
             }
         }
     };
-    private final TranslatableRewriter<ClientboundPackets1_13> translatableToLegacyRewriter = new TranslatableRewriter<>(this, ComponentRewriter.ReadType.JSON) {
+    private final JsonNBTComponentRewriter<ClientboundPackets1_13> translatableToLegacyRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON) {
         @Override
         protected void handleTranslate(JsonObject root, String translate) {
             String mappedKey = mappedTranslationKey(translate);
@@ -148,7 +148,7 @@ public class Protocol1_13To1_12_2 extends BackwardsProtocol<ClientboundPackets1_
     }
 
     // Don't override the parent method
-    public TranslatableRewriter<ClientboundPackets1_13> translatableRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPackets1_13> translatableRewriter() {
         return translatableRewriter;
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_13to1_12_2/rewriter/BlockItemPacketRewriter1_13.java

@@ -270,7 +270,7 @@ public class BlockItemPacketRewriter1_13 extends BackwardsItemRewriter<Clientbou
         protocol.registerClientbound(ClientboundPackets1_13.CONTAINER_SET_SLOT, new PacketHandlers() {
             @Override
             public void register() {
-                map(Types.UNSIGNED_BYTE);
+                map(Types.BYTE);
                 map(Types.SHORT);
                 map(Types.ITEM1_13, Types.ITEM1_8);
 
@@ -464,7 +464,7 @@ public class BlockItemPacketRewriter1_13 extends BackwardsItemRewriter<Clientbou
         protocol.registerServerbound(ServerboundPackets1_12_1.CONTAINER_CLICK, new PacketHandlers() {
             @Override
             public void register() {
-                map(Types.UNSIGNED_BYTE);
+                map(Types.BYTE);
                 map(Types.SHORT);
                 map(Types.BYTE);
                 map(Types.SHORT);

common/src/main/java/com/viaversion/viabackwards/protocol/v1_13to1_12_2/rewriter/EntityPacketRewriter1_13.java

@@ -90,14 +90,14 @@ public class EntityPacketRewriter1_13 extends LegacyEntityRewriter<ClientboundPa
                 handler(getObjectTrackerHandler());
 
                 handler(wrapper -> {
-                    EntityTypes1_13.ObjectType type = EntityTypes1_13.ObjectType.findById(wrapper.get(Types.BYTE, 0));
+                    int id = wrapper.get(Types.BYTE, 0);
+                    int data = wrapper.get(Types.INT, 0);
+                    EntityTypes1_13.ObjectType type = EntityTypes1_13.ObjectType.findById(id, data);
                     if (type == EntityTypes1_13.ObjectType.FALLING_BLOCK) {
-                        int blockState = wrapper.get(Types.INT, 0);
-                        int combined = Protocol1_13To1_12_2.MAPPINGS.getNewBlockStateId(blockState);
+                        int combined = Protocol1_13To1_12_2.MAPPINGS.getNewBlockStateId(data);
                         combined = ((combined >> 4) & 0xFFF) | ((combined & 0xF) << 12);
                         wrapper.set(Types.INT, 0, combined);
                     } else if (type == EntityTypes1_13.ObjectType.ITEM_FRAME) {
-                        int data = wrapper.get(Types.INT, 0);
                         data = switch (data) {
                             case 3 -> 0;
                             case 4 -> 1;
@@ -134,7 +134,7 @@ public class EntityPacketRewriter1_13 extends LegacyEntityRewriter<ClientboundPa
 
                 handler(wrapper -> {
                     int type = wrapper.get(Types.VAR_INT, 1);
-                    EntityType entityType = EntityTypes1_13.getTypeFromId(type, false);
+                    EntityType entityType = EntityTypes1_13.EntityType.findById(type);
                     if (entityType == null) {
                         return;
                     }
@@ -358,12 +358,12 @@ public class EntityPacketRewriter1_13 extends LegacyEntityRewriter<ClientboundPa
 
     @Override
     public EntityType typeFromId(int typeId) {
-        return EntityTypes1_13.getTypeFromId(typeId, false);
+        return EntityTypes1_13.EntityType.findById(typeId);
     }
 
     @Override
-    public EntityType objectTypeFromId(int typeId) {
-        return EntityTypes1_13.getTypeFromId(typeId, true);
+    public EntityType objectTypeFromId(int typeId, int data) {
+        return EntityTypes1_13.ObjectType.getEntityType(typeId, data);
     }
 
     @Override

common/src/main/java/com/viaversion/viabackwards/protocol/v1_14to1_13_2/Protocol1_14To1_13_2.java

@@ -19,7 +19,7 @@ package com.viaversion.viabackwards.protocol.v1_14to1_13_2;
 
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_14to1_13_2.rewriter.BlockItemPacketRewriter1_14;
 import com.viaversion.viabackwards.protocol.v1_14to1_13_2.rewriter.CommandRewriter1_14;
 import com.viaversion.viabackwards.protocol.v1_14to1_13_2.rewriter.EntityPacketRewriter1_14;
@@ -37,7 +37,7 @@ import com.viaversion.viaversion.protocols.v1_12_2to1_13.packet.ServerboundPacke
 import com.viaversion.viaversion.protocols.v1_13_2to1_14.Protocol1_13_2To1_14;
 import com.viaversion.viaversion.protocols.v1_13_2to1_14.packet.ClientboundPackets1_14;
 import com.viaversion.viaversion.protocols.v1_13_2to1_14.packet.ServerboundPackets1_14;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
 import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 
@@ -47,7 +47,7 @@ public class Protocol1_14To1_13_2 extends BackwardsProtocol<ClientboundPackets1_
     private final EntityPacketRewriter1_14 entityRewriter = new EntityPacketRewriter1_14(this);
     private final BlockItemPacketRewriter1_14 itemRewriter = new BlockItemPacketRewriter1_14(this);
     private final ParticleRewriter<ClientboundPackets1_14> particleRewriter = new ParticleRewriter<>(this);
-    private final TranslatableRewriter<ClientboundPackets1_14> translatableRewriter = new TranslatableRewriter<>(this, ComponentRewriter.ReadType.JSON);
+    private final JsonNBTComponentRewriter<ClientboundPackets1_14> translatableRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON);
 
     public Protocol1_14To1_13_2() {
         super(ClientboundPackets1_14.class, ClientboundPackets1_13.class, ServerboundPackets1_14.class, ServerboundPackets1_13.class);
@@ -197,7 +197,7 @@ public class Protocol1_14To1_13_2 extends BackwardsProtocol<ClientboundPackets1_
     }
 
     @Override
-    public TranslatableRewriter<ClientboundPackets1_14> getComponentRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPackets1_14> getComponentRewriter() {
         return translatableRewriter;
     }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/v1_14to1_13_2/rewriter/BlockItemPacketRewriter1_14.java

@@ -21,9 +21,9 @@ import com.google.common.collect.ImmutableSet;
 import com.viaversion.nbt.tag.CompoundTag;
 import com.viaversion.nbt.tag.ListTag;
 import com.viaversion.nbt.tag.StringTag;
+import com.viaversion.viabackwards.api.data.TranslatableMappings;
 import com.viaversion.viabackwards.api.rewriters.BackwardsItemRewriter;
 import com.viaversion.viabackwards.api.rewriters.EnchantmentRewriter;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
 import com.viaversion.viabackwards.protocol.v1_14to1_13_2.Protocol1_14To1_13_2;
 import com.viaversion.viabackwards.protocol.v1_14to1_13_2.storage.ChunkLightStorage;
 import com.viaversion.viaversion.api.Via;
@@ -479,7 +479,7 @@ public class BlockItemPacketRewriter1_14 extends BackwardsItemRewriter<Clientbou
                             continue;
                         }
                         TextUtils.setTranslator(component, s -> Protocol1_12_2To1_13.MAPPINGS.getMojangTranslation().
-                            getOrDefault(s, TranslatableRewriter.getTranslatableMappings("1.14").get(s)));
+                            getOrDefault(s, TranslatableMappings.getTranslatableMappings("1.14").get(s)));
                         loreEntry.setValue(component.asLegacyFormatString());
                     }
                 } catch (final JsonParseException e) {

common/src/main/java/com/viaversion/viabackwards/protocol/v1_14to1_13_2/rewriter/EntityPacketRewriter1_14.java

@@ -138,7 +138,7 @@ public class EntityPacketRewriter1_14 extends LegacyEntityRewriter<ClientboundPa
                 handler(wrapper -> {
                     int id = wrapper.get(Types.BYTE, 0);
                     int mappedId = newEntityId(id);
-                    EntityTypes1_13.EntityType entityType = EntityTypes1_13.getTypeFromId(mappedId, false);
+                    EntityTypes1_13.EntityType entityType = EntityTypes1_13.EntityType.findById(mappedId);
                     if (entityType == null) {
                         // Would be EntityType.PIG on a 1.14 client, but later discarded anyway since not an object type
                         return;

common/src/main/java/com/viaversion/viabackwards/protocol/v1_15to1_14_4/Protocol1_15To1_14_4.java

@@ -20,7 +20,7 @@ package com.viaversion.viabackwards.protocol.v1_15to1_14_4;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
 import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_15to1_14_4.rewriter.BlockItemPacketRewriter1_15;
 import com.viaversion.viabackwards.protocol.v1_15to1_14_4.rewriter.EntityPacketRewriter1_15;
 import com.viaversion.viabackwards.protocol.v1_15to1_14_4.storage.ImmediateRespawnStorage;
@@ -36,7 +36,7 @@ import com.viaversion.viaversion.protocols.v1_13_2to1_14.packet.ServerboundPacke
 import com.viaversion.viaversion.protocols.v1_14_3to1_14_4.packet.ClientboundPackets1_14_4;
 import com.viaversion.viaversion.protocols.v1_14_4to1_15.Protocol1_14_4To1_15;
 import com.viaversion.viaversion.protocols.v1_14_4to1_15.packet.ClientboundPackets1_15;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
 import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
@@ -47,7 +47,7 @@ public class Protocol1_15To1_14_4 extends BackwardsProtocol<ClientboundPackets1_
     private final EntityPacketRewriter1_15 entityRewriter = new EntityPacketRewriter1_15(this);
     private final BlockItemPacketRewriter1_15 blockItemPackets = new BlockItemPacketRewriter1_15(this);
     private final ParticleRewriter<ClientboundPackets1_15> particleRewriter = new ParticleRewriter<>(this);
-    private final TranslatableRewriter<ClientboundPackets1_15> translatableRewriter = new TranslatableRewriter<>(this, ComponentRewriter.ReadType.JSON);
+    private final JsonNBTComponentRewriter<ClientboundPackets1_15> translatableRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON);
     private final TagRewriter<ClientboundPackets1_15> tagRewriter = new TagRewriter<>(this);
 
     public Protocol1_15To1_14_4() {
@@ -62,7 +62,7 @@ public class Protocol1_15To1_14_4 extends BackwardsProtocol<ClientboundPackets1_
         translatableRewriter.registerComponentPacket(ClientboundPackets1_15.CHAT);
         translatableRewriter.registerPlayerCombat(ClientboundPackets1_15.PLAYER_COMBAT);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_15.DISCONNECT);
-        translatableRewriter.registerOpenScreen(ClientboundPackets1_15.OPEN_SCREEN);
+        translatableRewriter.registerOpenScreen1_14(ClientboundPackets1_15.OPEN_SCREEN);
         translatableRewriter.registerTabList(ClientboundPackets1_15.TAB_LIST);
         translatableRewriter.registerTitle(ClientboundPackets1_15.SET_TITLES);
         translatableRewriter.registerPing();
@@ -137,7 +137,7 @@ public class Protocol1_15To1_14_4 extends BackwardsProtocol<ClientboundPackets1_
     }
 
     @Override
-    public TranslatableRewriter<ClientboundPackets1_15> getComponentRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPackets1_15> getComponentRewriter() {
         return translatableRewriter;
     }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/v1_16_2to1_16_1/Protocol1_16_2To1_16_1.java

@@ -20,7 +20,7 @@ package com.viaversion.viabackwards.protocol.v1_16_2to1_16_1;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
 import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_16_2to1_16_1.rewriter.BlockItemPacketRewriter1_16_2;
 import com.viaversion.viabackwards.protocol.v1_16_2to1_16_1.rewriter.CommandRewriter1_16_2;
 import com.viaversion.viabackwards.protocol.v1_16_2to1_16_1.rewriter.EntityPacketRewriter1_16_2;
@@ -37,7 +37,7 @@ import com.viaversion.viaversion.protocols.v1_15_2to1_16.packet.ServerboundPacke
 import com.viaversion.viaversion.protocols.v1_16_1to1_16_2.Protocol1_16_1To1_16_2;
 import com.viaversion.viaversion.protocols.v1_16_1to1_16_2.packet.ClientboundPackets1_16_2;
 import com.viaversion.viaversion.protocols.v1_16_1to1_16_2.packet.ServerboundPackets1_16_2;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
 import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
@@ -50,7 +50,7 @@ public class Protocol1_16_2To1_16_1 extends BackwardsProtocol<ClientboundPackets
     private final EntityPacketRewriter1_16_2 entityRewriter = new EntityPacketRewriter1_16_2(this);
     private final BlockItemPacketRewriter1_16_2 blockItemPackets = new BlockItemPacketRewriter1_16_2(this);
     private final ParticleRewriter<ClientboundPackets1_16_2> particleRewriter = new ParticleRewriter<>(this);
-    private final TranslatableRewriter<ClientboundPackets1_16_2> translatableRewriter = new TranslatableRewriter<>(this, ComponentRewriter.ReadType.JSON);
+    private final JsonNBTComponentRewriter<ClientboundPackets1_16_2> translatableRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON);
     private final TagRewriter<ClientboundPackets1_16_2> tagRewriter = new TagRewriter<>(this);
 
     public Protocol1_16_2To1_16_1() {
@@ -66,7 +66,7 @@ public class Protocol1_16_2To1_16_1 extends BackwardsProtocol<ClientboundPackets
         translatableRewriter.registerComponentPacket(ClientboundPackets1_16_2.DISCONNECT);
         translatableRewriter.registerTabList(ClientboundPackets1_16_2.TAB_LIST);
         translatableRewriter.registerTitle(ClientboundPackets1_16_2.SET_TITLES);
-        translatableRewriter.registerOpenScreen(ClientboundPackets1_16_2.OPEN_SCREEN);
+        translatableRewriter.registerOpenScreen1_14(ClientboundPackets1_16_2.OPEN_SCREEN);
         translatableRewriter.registerPing();
 
         particleRewriter.registerLevelParticles1_13(ClientboundPackets1_16_2.LEVEL_PARTICLES, Types.DOUBLE);
@@ -131,7 +131,7 @@ public class Protocol1_16_2To1_16_1 extends BackwardsProtocol<ClientboundPackets
     }
 
     @Override
-    public TranslatableRewriter<ClientboundPackets1_16_2> getComponentRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPackets1_16_2> getComponentRewriter() {
         return translatableRewriter;
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_16to1_15_2/rewriter/TranslatableRewriter1_16.java

@@ -17,7 +17,7 @@
  */
 package com.viaversion.viabackwards.protocol.v1_16to1_15_2.rewriter;
 
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_16to1_15_2.Protocol1_16To1_15_2;
 import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.libs.gson.JsonElement;
@@ -27,7 +27,7 @@ import com.viaversion.viaversion.protocols.v1_15_2to1_16.packet.ClientboundPacke
 import com.viaversion.viaversion.util.ComponentUtil;
 import com.viaversion.viaversion.util.SerializerVersion;
 
-public class TranslatableRewriter1_16 extends TranslatableRewriter<ClientboundPackets1_16> {
+public class TranslatableRewriter1_16 extends JsonNBTComponentRewriter<ClientboundPackets1_16> {
 
     private static final ChatColor[] COLORS = {
         new ChatColor("black", 0x000000),
@@ -70,6 +70,14 @@ public class TranslatableRewriter1_16 extends TranslatableRewriter<ClientboundPa
             }
         }
 
+        JsonObject clickEvent = object.getAsJsonObject("clickEvent");
+        if (clickEvent != null && clickEvent.has("action")) {
+            String action = clickEvent.get("action").getAsString();
+            if (action.equals("copy_to_clipboard")) {
+                clickEvent.addProperty("action", "suggest_command");
+            }
+        }
+
         JsonObject hoverEvent = object.getAsJsonObject("hoverEvent");
         if (hoverEvent == null || !hoverEvent.has("contents")) {
             return;

common/src/main/java/com/viaversion/viabackwards/protocol/v1_17_1to1_17/Protocol1_17_1To1_17.java

@@ -61,7 +61,7 @@ public final class Protocol1_17_1To1_17 extends BackwardsProtocol<ClientboundPac
             wrapper.user().get(InventoryStateIds.class).removeStateId(containerId);
         });
         registerClientbound(ClientboundPackets1_17_1.CONTAINER_SET_SLOT, wrapper -> {
-            short containerId = wrapper.passthrough(Types.UNSIGNED_BYTE);
+            byte containerId = wrapper.passthrough(Types.BYTE);
             int stateId = wrapper.read(Types.VAR_INT);
             wrapper.user().get(InventoryStateIds.class).setStateId(containerId, stateId);
         });
@@ -88,11 +88,11 @@ public final class Protocol1_17_1To1_17 extends BackwardsProtocol<ClientboundPac
         });
 
         registerServerbound(ServerboundPackets1_17.CONTAINER_CLOSE, wrapper -> {
-            short containerId = wrapper.passthrough(Types.UNSIGNED_BYTE);
+            byte containerId = wrapper.passthrough(Types.BYTE);
             wrapper.user().get(InventoryStateIds.class).removeStateId(containerId);
         });
         registerServerbound(ServerboundPackets1_17.CONTAINER_CLICK, wrapper -> {
-            short containerId = wrapper.passthrough(Types.UNSIGNED_BYTE);
+            byte containerId = wrapper.passthrough(Types.BYTE);
             int stateId = wrapper.user().get(InventoryStateIds.class).removeStateId(containerId);
             wrapper.write(Types.VAR_INT, stateId == Integer.MAX_VALUE ? 0 : stateId);
         });

common/src/main/java/com/viaversion/viabackwards/protocol/v1_17_1to1_17/storage/InventoryStateIds.java

@@ -25,15 +25,14 @@ public final class InventoryStateIds implements StorableObject {
     private final Int2IntMap ids = new Int2IntOpenHashMap();
 
     public InventoryStateIds() {
-        // Inventory ids are unsigned bytes, so this is safe to do
         ids.defaultReturnValue(Integer.MAX_VALUE);
     }
 
-    public void setStateId(short containerId, int id) {
+    public void setStateId(int containerId, int id) {
         ids.put(containerId, id);
     }
 
-    public int removeStateId(short containerId) {
+    public int removeStateId(int containerId) {
         return ids.remove(containerId);
     }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/v1_17to1_16_4/Protocol1_17To1_16_4.java

@@ -21,7 +21,7 @@ import com.viaversion.viabackwards.ViaBackwards;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
 import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_17to1_16_4.rewriter.BlockItemPacketRewriter1_17;
 import com.viaversion.viabackwards.protocol.v1_17to1_16_4.rewriter.EntityPacketRewriter1_17;
 import com.viaversion.viabackwards.protocol.v1_17to1_16_4.storage.PlayerLastCursorItem;
@@ -40,7 +40,7 @@ import com.viaversion.viaversion.protocols.v1_16_1to1_16_2.packet.ServerboundPac
 import com.viaversion.viaversion.protocols.v1_16_4to1_17.Protocol1_16_4To1_17;
 import com.viaversion.viaversion.protocols.v1_16_4to1_17.packet.ClientboundPackets1_17;
 import com.viaversion.viaversion.protocols.v1_16_4to1_17.packet.ServerboundPackets1_17;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 import com.viaversion.viaversion.rewriter.IdRewriteFunction;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
 import com.viaversion.viaversion.rewriter.StatisticsRewriter;
@@ -59,7 +59,7 @@ public final class Protocol1_17To1_16_4 extends BackwardsProtocol<ClientboundPac
     private final EntityPacketRewriter1_17 entityRewriter = new EntityPacketRewriter1_17(this);
     private final BlockItemPacketRewriter1_17 blockItemPackets = new BlockItemPacketRewriter1_17(this);
     private final ParticleRewriter<ClientboundPackets1_17> particleRewriter = new ParticleRewriter<>(this);
-    private final TranslatableRewriter<ClientboundPackets1_17> translatableRewriter = new TranslatableRewriter<>(this, ComponentRewriter.ReadType.JSON);
+    private final JsonNBTComponentRewriter<ClientboundPackets1_17> translatableRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON);
     private final TagRewriter<ClientboundPackets1_17> tagRewriter = new TagRewriter<>(this);
 
     public Protocol1_17To1_16_4() {
@@ -74,7 +74,7 @@ public final class Protocol1_17To1_16_4 extends BackwardsProtocol<ClientboundPac
         translatableRewriter.registerBossEvent(ClientboundPackets1_17.BOSS_EVENT);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_17.DISCONNECT);
         translatableRewriter.registerTabList(ClientboundPackets1_17.TAB_LIST);
-        translatableRewriter.registerOpenScreen(ClientboundPackets1_17.OPEN_SCREEN);
+        translatableRewriter.registerOpenScreen1_14(ClientboundPackets1_17.OPEN_SCREEN);
         translatableRewriter.registerPing();
 
         SoundRewriter<ClientboundPackets1_17> soundRewriter = new SoundRewriter<>(this);
@@ -229,7 +229,7 @@ public final class Protocol1_17To1_16_4 extends BackwardsProtocol<ClientboundPac
     }
 
     @Override
-    public TranslatableRewriter<ClientboundPackets1_17> getComponentRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPackets1_17> getComponentRewriter() {
         return translatableRewriter;
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_17to1_16_4/rewriter/BlockItemPacketRewriter1_17.java

@@ -90,7 +90,7 @@ public final class BlockItemPacketRewriter1_17 extends BackwardsItemRewriter<Cli
         protocol.registerServerbound(ServerboundPackets1_16_2.CONTAINER_CLICK, new PacketHandlers() {
             @Override
             public void register() {
-                map(Types.UNSIGNED_BYTE);
+                map(Types.BYTE);
                 handler(wrapper -> {
                     short slot = wrapper.passthrough(Types.SHORT); // Slot
                     byte button = wrapper.passthrough(Types.BYTE); // Button
@@ -138,7 +138,7 @@ public final class BlockItemPacketRewriter1_17 extends BackwardsItemRewriter<Cli
         });
 
         protocol.registerClientbound(ClientboundPackets1_17.CONTAINER_SET_SLOT, wrapper -> {
-            short windowId = wrapper.passthrough(Types.UNSIGNED_BYTE);
+            byte windowId = wrapper.passthrough(Types.BYTE);
             short slot = wrapper.passthrough(Types.SHORT);
 
             Item carried = wrapper.read(Types.ITEM1_13_2);
@@ -163,7 +163,7 @@ public final class BlockItemPacketRewriter1_17 extends BackwardsItemRewriter<Cli
             }
 
             // Handle ping packet replacement
-            short inventoryId = wrapper.read(Types.UNSIGNED_BYTE);
+            byte inventoryId = wrapper.read(Types.BYTE);
             short confirmationId = wrapper.read(Types.SHORT);
             boolean accepted = wrapper.read(Types.BOOLEAN);
             if (inventoryId == 0 && accepted) {
@@ -422,12 +422,15 @@ public final class BlockItemPacketRewriter1_17 extends BackwardsItemRewriter<Cli
                 handler(wrapper -> wrapper.write(Types.BOOLEAN, true)); // Tracking position
                 map(Types.BOOLEAN); // Locked
                 handler(wrapper -> {
-                    boolean hasMarkers = wrapper.read(Types.BOOLEAN);
-                    if (!hasMarkers) {
-                        wrapper.write(Types.VAR_INT, 0); // Array size
+                    final int iconCount;
+                    final boolean hasMarkers = wrapper.read(Types.BOOLEAN);
+                    if (hasMarkers) {
+                        iconCount = wrapper.passthrough(Types.VAR_INT);
                     } else {
-                        MapColorRewriter.getRewriteHandler(MapColorMappings1_16_4::getMappedColor).handle(wrapper);
+                        wrapper.write(Types.VAR_INT, 0); // Add icon count
+                        iconCount = 0;
                     }
+                    MapColorRewriter.rewriteMapColors(wrapper, MapColorMappings1_16_4::getMappedColor, iconCount);
                 });
             }
         });

common/src/main/java/com/viaversion/viabackwards/protocol/v1_17to1_16_4/rewriter/EntityPacketRewriter1_17.java

@@ -214,6 +214,8 @@ public final class EntityPacketRewriter1_17 extends EntityRewriter<ClientboundPa
 
         filter().type(EntityTypes1_17.SHULKER).addIndex(17); // TODO Handle attachment pos?
 
+        registerBlockStateHandler(EntityTypes1_17.ABSTRACT_MINECART, 11);
+
         filter().removeIndex(7); // Ticks frozen
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_18to1_17_1/Protocol1_18To1_17_1.java

@@ -19,7 +19,7 @@ package com.viaversion.viabackwards.protocol.v1_18to1_17_1;
 
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_18to1_17_1.data.BackwardsMappingData1_18;
 import com.viaversion.viabackwards.protocol.v1_18to1_17_1.rewriter.BlockItemPacketRewriter1_18;
 import com.viaversion.viabackwards.protocol.v1_18to1_17_1.rewriter.EntityPacketRewriter1_18;
@@ -33,7 +33,7 @@ import com.viaversion.viaversion.data.entity.EntityTrackerBase;
 import com.viaversion.viaversion.protocols.v1_16_4to1_17.packet.ServerboundPackets1_17;
 import com.viaversion.viaversion.protocols.v1_17_1to1_18.packet.ClientboundPackets1_18;
 import com.viaversion.viaversion.protocols.v1_17to1_17_1.packet.ClientboundPackets1_17_1;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
 
@@ -43,7 +43,7 @@ public final class Protocol1_18To1_17_1 extends BackwardsProtocol<ClientboundPac
     private final EntityPacketRewriter1_18 entityRewriter = new EntityPacketRewriter1_18(this);
     private final BlockItemPacketRewriter1_18 itemRewriter = new BlockItemPacketRewriter1_18(this);
     private final ParticleRewriter<ClientboundPackets1_18> particleRewriter = new ParticleRewriter<>(this);
-    private final TranslatableRewriter<ClientboundPackets1_18> translatableRewriter = new TranslatableRewriter<>(this, ComponentRewriter.ReadType.JSON);
+    private final JsonNBTComponentRewriter<ClientboundPackets1_18> translatableRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON);
     private final TagRewriter<ClientboundPackets1_18> tagRewriter = new TagRewriter<>(this);
 
     public Protocol1_18To1_17_1() {
@@ -61,7 +61,7 @@ public final class Protocol1_18To1_17_1 extends BackwardsProtocol<ClientboundPac
         translatableRewriter.registerBossEvent(ClientboundPackets1_18.BOSS_EVENT);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_18.DISCONNECT);
         translatableRewriter.registerTabList(ClientboundPackets1_18.TAB_LIST);
-        translatableRewriter.registerOpenScreen(ClientboundPackets1_18.OPEN_SCREEN);
+        translatableRewriter.registerOpenScreen1_14(ClientboundPackets1_18.OPEN_SCREEN);
         translatableRewriter.registerPlayerCombatKill(ClientboundPackets1_18.PLAYER_COMBAT_KILL);
         translatableRewriter.registerPing();
 
@@ -158,7 +158,7 @@ public final class Protocol1_18To1_17_1 extends BackwardsProtocol<ClientboundPac
     }
 
     @Override
-    public TranslatableRewriter<ClientboundPackets1_18> getComponentRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPackets1_18> getComponentRewriter() {
         return translatableRewriter;
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_19_1to1_19/Protocol1_19_1To1_19.java

@@ -17,9 +17,8 @@
  */
 package com.viaversion.viabackwards.protocol.v1_19_1to1_19;
 
-import com.viaversion.viabackwards.ViaBackwards;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_19_1to1_19.rewriter.EntityPacketRewriter1_19_1;
 import com.viaversion.viabackwards.protocol.v1_19_1to1_19.storage.ChatRegistryStorage;
 import com.viaversion.viabackwards.protocol.v1_19_1to1_19.storage.ChatRegistryStorage1_19_1;
@@ -38,7 +37,6 @@ import com.viaversion.viaversion.api.protocol.Protocol;
 import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
 import com.viaversion.viaversion.api.protocol.packet.State;
 import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
-import com.viaversion.viaversion.api.type.Type;
 import com.viaversion.viaversion.api.type.Types;
 import com.viaversion.viaversion.data.entity.EntityTrackerBase;
 import com.viaversion.viaversion.libs.gson.JsonElement;
@@ -53,7 +51,7 @@ import com.viaversion.viaversion.protocols.v1_19to1_19_1.Protocol1_19To1_19_1;
 import com.viaversion.viaversion.protocols.v1_19to1_19_1.packet.ClientboundPackets1_19_1;
 import com.viaversion.viaversion.protocols.v1_19to1_19_1.packet.ServerboundPackets1_19_1;
 import com.viaversion.viaversion.protocols.v1_18_2to1_19.Protocol1_18_2To1_19;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 import com.viaversion.viaversion.util.CipherUtil;
 import com.viaversion.viaversion.util.ComponentUtil;
 import com.viaversion.viaversion.util.Pair;
@@ -70,7 +68,7 @@ public final class Protocol1_19_1To1_19 extends BackwardsProtocol<ClientboundPac
     private static final UUID ZERO_UUID = new UUID(0, 0);
     private static final byte[] EMPTY_BYTES = new byte[0];
     private final EntityPacketRewriter1_19_1 entityRewriter = new EntityPacketRewriter1_19_1(this);
-    private final TranslatableRewriter<ClientboundPackets1_19_1> translatableRewriter = new TranslatableRewriter<>(this, ComponentRewriter.ReadType.JSON);
+    private final JsonNBTComponentRewriter<ClientboundPackets1_19_1> translatableRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON);
 
     public Protocol1_19_1To1_19() {
         super(ClientboundPackets1_19_1.class, ClientboundPackets1_19.class, ServerboundPackets1_19_1.class, ServerboundPackets1_19.class);
@@ -84,7 +82,7 @@ public final class Protocol1_19_1To1_19 extends BackwardsProtocol<ClientboundPac
         translatableRewriter.registerBossEvent(ClientboundPackets1_19_1.BOSS_EVENT);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_19_1.DISCONNECT);
         translatableRewriter.registerTabList(ClientboundPackets1_19_1.TAB_LIST);
-        translatableRewriter.registerOpenScreen(ClientboundPackets1_19_1.OPEN_SCREEN);
+        translatableRewriter.registerOpenScreen1_14(ClientboundPackets1_19_1.OPEN_SCREEN);
         translatableRewriter.registerPlayerCombatKill(ClientboundPackets1_19_1.PLAYER_COMBAT_KILL);
         translatableRewriter.registerPing();
 
@@ -395,7 +393,7 @@ public final class Protocol1_19_1To1_19 extends BackwardsProtocol<ClientboundPac
     }
 
     @Override
-    public TranslatableRewriter<ClientboundPackets1_19_1> getComponentRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPackets1_19_1> getComponentRewriter() {
         return translatableRewriter;
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_19_3to1_19_1/Protocol1_19_3To1_19_1.java

@@ -20,7 +20,7 @@ package com.viaversion.viabackwards.protocol.v1_19_3to1_19_1;
 import com.google.common.base.Preconditions;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_19_1to1_19.Protocol1_19_1To1_19;
 import com.viaversion.viabackwards.protocol.v1_19_3to1_19_1.data.BackwardsMappingData1_19_3;
 import com.viaversion.viabackwards.protocol.v1_19_3to1_19_1.rewriter.BlockItemPacketRewriter1_19_3;
@@ -54,7 +54,7 @@ import com.viaversion.viaversion.protocols.v1_19_1to1_19_3.packet.ServerboundPac
 import com.viaversion.viaversion.protocols.v1_19to1_19_1.packet.ClientboundPackets1_19_1;
 import com.viaversion.viaversion.protocols.v1_19to1_19_1.packet.ServerboundPackets1_19_1;
 import com.viaversion.viaversion.rewriter.CommandRewriter;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
 import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
@@ -74,7 +74,7 @@ public final class Protocol1_19_3To1_19_1 extends BackwardsProtocol<ClientboundP
     private final EntityPacketRewriter1_19_3 entityRewriter = new EntityPacketRewriter1_19_3(this);
     private final BlockItemPacketRewriter1_19_3 itemRewriter = new BlockItemPacketRewriter1_19_3(this);
     private final ParticleRewriter<ClientboundPackets1_19_3> particleRewriter = new ParticleRewriter<>(this);
-    private final TranslatableRewriter<ClientboundPackets1_19_3> translatableRewriter = new TranslatableRewriter<>(this, ComponentRewriter.ReadType.JSON);
+    private final JsonNBTComponentRewriter<ClientboundPackets1_19_3> translatableRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON);
     private final TagRewriter<ClientboundPackets1_19_3> tagRewriter = new TagRewriter<>(this);
 
     public Protocol1_19_3To1_19_1() {
@@ -92,7 +92,7 @@ public final class Protocol1_19_3To1_19_1 extends BackwardsProtocol<ClientboundP
         translatableRewriter.registerBossEvent(ClientboundPackets1_19_3.BOSS_EVENT);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_19_3.DISCONNECT);
         translatableRewriter.registerTabList(ClientboundPackets1_19_3.TAB_LIST);
-        translatableRewriter.registerOpenScreen(ClientboundPackets1_19_3.OPEN_SCREEN);
+        translatableRewriter.registerOpenScreen1_14(ClientboundPackets1_19_3.OPEN_SCREEN);
         translatableRewriter.registerPlayerCombatKill(ClientboundPackets1_19_3.PLAYER_COMBAT_KILL);
         translatableRewriter.registerPing();
 
@@ -406,7 +406,7 @@ public final class Protocol1_19_3To1_19_1 extends BackwardsProtocol<ClientboundP
     }
 
     @Override
-    public TranslatableRewriter<ClientboundPackets1_19_3> getComponentRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPackets1_19_3> getComponentRewriter() {
         return translatableRewriter;
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_19_4to1_19_3/Protocol1_19_4To1_19_3.java

@@ -20,7 +20,7 @@ package com.viaversion.viabackwards.protocol.v1_19_4to1_19_3;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
 import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_19_4to1_19_3.rewriter.BlockItemPacketRewriter1_19_4;
 import com.viaversion.viabackwards.protocol.v1_19_4to1_19_3.rewriter.EntityPacketRewriter1_19_4;
 import com.viaversion.viabackwards.protocol.v1_19_4to1_19_3.storage.EntityTracker1_19_4;
@@ -34,7 +34,7 @@ import com.viaversion.viaversion.protocols.v1_19_3to1_19_4.Protocol1_19_3To1_19_
 import com.viaversion.viaversion.protocols.v1_19_3to1_19_4.packet.ClientboundPackets1_19_4;
 import com.viaversion.viaversion.protocols.v1_19_3to1_19_4.packet.ServerboundPackets1_19_4;
 import com.viaversion.viaversion.rewriter.CommandRewriter;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
 import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
@@ -47,7 +47,7 @@ public final class Protocol1_19_4To1_19_3 extends BackwardsProtocol<ClientboundP
     private final EntityPacketRewriter1_19_4 entityRewriter = new EntityPacketRewriter1_19_4(this);
     private final BlockItemPacketRewriter1_19_4 itemRewriter = new BlockItemPacketRewriter1_19_4(this);
     private final ParticleRewriter<ClientboundPackets1_19_4> particleRewriter = new ParticleRewriter<>(this);
-    private final TranslatableRewriter<ClientboundPackets1_19_4> translatableRewriter = new TranslatableRewriter<>(this, ComponentRewriter.ReadType.JSON);
+    private final JsonNBTComponentRewriter<ClientboundPackets1_19_4> translatableRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON);
     private final TagRewriter<ClientboundPackets1_19_4> tagRewriter = new TagRewriter<>(this);
 
     public Protocol1_19_4To1_19_3() {
@@ -137,7 +137,7 @@ public final class Protocol1_19_4To1_19_3 extends BackwardsProtocol<ClientboundP
     }
 
     @Override
-    public TranslatableRewriter<ClientboundPackets1_19_4> getComponentRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPackets1_19_4> getComponentRewriter() {
         return translatableRewriter;
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_19_4to1_19_3/rewriter/EntityPacketRewriter1_19_4.java

@@ -220,6 +220,7 @@ public final class EntityPacketRewriter1_19_4 extends EntityRewriter<Clientbound
         filter().handler((event, data) -> {
             int id = data.dataType().typeId();
             if (id >= 25) { // Sniffer state, Vector3f, Quaternion types
+                event.cancel();
                 return;
             } else if (id >= 15) { // Optional block state - just map down to block state
                 id--;

common/src/main/java/com/viaversion/viabackwards/protocol/v1_19to1_18_2/Protocol1_19To1_18_2.java

@@ -21,7 +21,7 @@ import com.google.common.primitives.Longs;
 import com.viaversion.nbt.tag.CompoundTag;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_19_1to1_19.Protocol1_19_1To1_19;
 import com.viaversion.viabackwards.protocol.v1_19to1_18_2.data.BackwardsMappingData1_19;
 import com.viaversion.viabackwards.protocol.v1_19to1_18_2.rewriter.BlockItemPacketRewriter1_19;
@@ -50,7 +50,7 @@ import com.viaversion.viaversion.protocols.v1_18_2to1_19.packet.ServerboundPacke
 import com.viaversion.viaversion.protocols.v1_19to1_19_1.Protocol1_19To1_19_1;
 import com.viaversion.viaversion.protocols.v1_19to1_19_1.data.ChatDecorationResult;
 import com.viaversion.viaversion.rewriter.CommandRewriter;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
 import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
@@ -69,7 +69,7 @@ public final class Protocol1_19To1_18_2 extends BackwardsProtocol<ClientboundPac
     private final EntityPacketRewriter1_19 entityRewriter = new EntityPacketRewriter1_19(this);
     private final BlockItemPacketRewriter1_19 blockItemPackets = new BlockItemPacketRewriter1_19(this);
     private final ParticleRewriter<ClientboundPackets1_19> particleRewriter = new ParticleRewriter<>(this);
-    private final TranslatableRewriter<ClientboundPackets1_19> translatableRewriter = new TranslatableRewriter<>(this, ComponentRewriter.ReadType.JSON);
+    private final JsonNBTComponentRewriter<ClientboundPackets1_19> translatableRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON);
     private final TagRewriter<ClientboundPackets1_19> tagRewriter = new TagRewriter<>(this);
 
     public Protocol1_19To1_18_2() {
@@ -86,7 +86,7 @@ public final class Protocol1_19To1_18_2 extends BackwardsProtocol<ClientboundPac
         translatableRewriter.registerBossEvent(ClientboundPackets1_19.BOSS_EVENT);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_19.DISCONNECT);
         translatableRewriter.registerTabList(ClientboundPackets1_19.TAB_LIST);
-        translatableRewriter.registerOpenScreen(ClientboundPackets1_19.OPEN_SCREEN);
+        translatableRewriter.registerOpenScreen1_14(ClientboundPackets1_19.OPEN_SCREEN);
         translatableRewriter.registerPlayerCombatKill(ClientboundPackets1_19.PLAYER_COMBAT_KILL);
         translatableRewriter.registerPing();
 
@@ -372,7 +372,7 @@ public final class Protocol1_19To1_18_2 extends BackwardsProtocol<ClientboundPac
     }
 
     @Override
-    public TranslatableRewriter<ClientboundPackets1_19> getComponentRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPackets1_19> getComponentRewriter() {
         return translatableRewriter;
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_20_2to1_20/rewriter/EntityPacketRewriter1_20_2.java

@@ -198,7 +198,7 @@ public final class EntityPacketRewriter1_20_2 extends EntityRewriter<Clientbound
 
     @Override
     protected void registerRewrites() {
-        filter().handler((event, data) -> data.setDataType(Types1_20.ENTITY_DATA_TYPES.byId(data.dataType().typeId())));
+        filter().mapDataType(Types1_20.ENTITY_DATA_TYPES::byId);
         registerEntityDataTypeHandler(Types1_20.ENTITY_DATA_TYPES.itemType, Types1_20.ENTITY_DATA_TYPES.blockStateType, Types1_20.ENTITY_DATA_TYPES.optionalBlockStateType, Types1_20.ENTITY_DATA_TYPES.particleType, null, null);
         registerBlockStateHandler(EntityTypes1_19_4.ABSTRACT_MINECART, 11);
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_20_3to1_20_2/Protocol1_20_3To1_20_2.java

@@ -21,7 +21,7 @@ import com.viaversion.nbt.tag.Tag;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
 import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_20_3to1_20_2.rewriter.BlockItemPacketRewriter1_20_3;
 import com.viaversion.viabackwards.protocol.v1_20_3to1_20_2.rewriter.EntityPacketRewriter1_20_3;
 import com.viaversion.viabackwards.protocol.v1_20_3to1_20_2.storage.ResourcepackIDStorage;
@@ -50,10 +50,10 @@ import com.viaversion.viaversion.protocols.v1_20to1_20_2.packet.ClientboundPacke
 import com.viaversion.viaversion.protocols.v1_20to1_20_2.packet.ServerboundConfigurationPackets1_20_2;
 import com.viaversion.viaversion.protocols.v1_20to1_20_2.packet.ServerboundPacket1_20_2;
 import com.viaversion.viaversion.protocols.v1_20to1_20_2.packet.ServerboundPackets1_20_2;
-import com.viaversion.viaversion.rewriter.ComponentRewriter.ReadType;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
 import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 import com.viaversion.viaversion.util.ComponentUtil;
 import java.util.BitSet;
 import java.util.UUID;
@@ -66,7 +66,7 @@ public final class Protocol1_20_3To1_20_2 extends BackwardsProtocol<ClientboundP
     private final EntityPacketRewriter1_20_3 entityRewriter = new EntityPacketRewriter1_20_3(this);
     private final BlockItemPacketRewriter1_20_3 itemRewriter = new BlockItemPacketRewriter1_20_3(this);
     private final ParticleRewriter<ClientboundPacket1_20_3> particleRewriter = new ParticleRewriter<>(this);
-    private final TranslatableRewriter<ClientboundPacket1_20_3> translatableRewriter = new TranslatableRewriter<>(this, ReadType.NBT);
+    private final JsonNBTComponentRewriter<ClientboundPacket1_20_3> translatableRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.NBT);
     private final TagRewriter<ClientboundPacket1_20_3> tagRewriter = new TagRewriter<>(this);
 
     public Protocol1_20_3To1_20_2() {
@@ -405,7 +405,7 @@ public final class Protocol1_20_3To1_20_2 extends BackwardsProtocol<ClientboundP
     }
 
     @Override
-    public TranslatableRewriter<ClientboundPacket1_20_3> getComponentRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPacket1_20_3> getComponentRewriter() {
         return translatableRewriter;
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_20_5to1_20_3/Protocol1_20_5To1_20_3.java

@@ -17,12 +17,14 @@
  */
 package com.viaversion.viabackwards.protocol.v1_20_5to1_20_3;
 
+import com.viaversion.nbt.tag.CompoundTag;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
 import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_20_5to1_20_3.provider.TransferProvider;
 import com.viaversion.viabackwards.protocol.v1_20_5to1_20_3.rewriter.BlockItemPacketRewriter1_20_5;
+import com.viaversion.viabackwards.protocol.v1_20_5to1_20_3.rewriter.ComponentRewriter1_20_5;
 import com.viaversion.viabackwards.protocol.v1_20_5to1_20_3.rewriter.EntityPacketRewriter1_20_5;
 import com.viaversion.viabackwards.protocol.v1_20_5to1_20_3.storage.CookieStorage;
 import com.viaversion.viabackwards.protocol.v1_20_5to1_20_3.storage.RegistryDataStorage;
@@ -57,7 +59,6 @@ import com.viaversion.viaversion.protocols.v1_20_3to1_20_5.packet.ServerboundPac
 import com.viaversion.viaversion.protocols.v1_20_3to1_20_5.storage.ArmorTrimStorage;
 import com.viaversion.viaversion.protocols.v1_20_3to1_20_5.storage.BannerPatternStorage;
 import com.viaversion.viaversion.protocols.v1_20to1_20_2.packet.ServerboundConfigurationPackets1_20_2;
-import com.viaversion.viaversion.rewriter.ComponentRewriter.ReadType;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
 import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
@@ -70,7 +71,7 @@ public final class Protocol1_20_5To1_20_3 extends BackwardsProtocol<ClientboundP
     private final EntityPacketRewriter1_20_5 entityRewriter = new EntityPacketRewriter1_20_5(this);
     private final BlockItemPacketRewriter1_20_5 itemRewriter = new BlockItemPacketRewriter1_20_5(this);
     private final ParticleRewriter<ClientboundPacket1_20_5> particleRewriter = new ParticleRewriter<>(this);
-    private final TranslatableRewriter<ClientboundPacket1_20_5> translatableRewriter = new TranslatableRewriter<>(this, ReadType.NBT);
+    private final JsonNBTComponentRewriter<ClientboundPacket1_20_5> translatableRewriter = new ComponentRewriter1_20_5(this);
     private final TagRewriter<ClientboundPacket1_20_5> tagRewriter = new TagRewriter<>(this);
 
     public Protocol1_20_5To1_20_3() {
@@ -180,9 +181,11 @@ public final class Protocol1_20_5To1_20_3 extends BackwardsProtocol<ClientboundP
 
     private void sendRegistryData(final UserConnection connection) {
         final RegistryDataStorage registryDataStorage = connection.get(RegistryDataStorage.class);
-        if (!registryDataStorage.sentRegistryData()) {
+
+        final CompoundTag registryData = registryDataStorage.registryData();
+        if (!registryDataStorage.sentRegistryData() && !registryData.isEmpty()) {
             final PacketWrapper registryDataPacket = PacketWrapper.create(ClientboundConfigurationPackets1_20_3.REGISTRY_DATA, connection);
-            registryDataPacket.write(Types.COMPOUND_TAG, registryDataStorage.registryData().copy());
+            registryDataPacket.write(Types.COMPOUND_TAG, registryData.copy());
             registryDataPacket.send(Protocol1_20_5To1_20_3.class);
             registryDataStorage.setSentRegistryData();
         }
@@ -255,7 +258,7 @@ public final class Protocol1_20_5To1_20_3 extends BackwardsProtocol<ClientboundP
     }
 
     @Override
-    public TranslatableRewriter<ClientboundPacket1_20_5> getComponentRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPacket1_20_5> getComponentRewriter() {
         return translatableRewriter;
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_20_5to1_20_3/rewriter/ComponentRewriter1_20_5.java

@@ -0,0 +1,85 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2024 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.v1_20_5to1_20_3.rewriter;
+
+import com.viaversion.nbt.tag.CompoundTag;
+import com.viaversion.nbt.tag.StringTag;
+import com.viaversion.viabackwards.api.BackwardsProtocol;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
+import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.minecraft.data.StructuredData;
+import com.viaversion.viaversion.api.minecraft.data.StructuredDataContainer;
+import com.viaversion.viaversion.api.minecraft.item.Item;
+import com.viaversion.viaversion.api.minecraft.item.StructuredItem;
+import com.viaversion.viaversion.api.type.types.version.Types1_20_5;
+import com.viaversion.viaversion.protocols.v1_20_3to1_20_5.packet.ClientboundPacket1_20_5;
+import com.viaversion.viaversion.util.ComponentUtil;
+import com.viaversion.viaversion.util.SerializerVersion;
+import java.util.List;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+public final class ComponentRewriter1_20_5 extends JsonNBTComponentRewriter<ClientboundPacket1_20_5> {
+
+    private final com.viaversion.viaversion.protocols.v1_20_3to1_20_5.rewriter.ComponentRewriter1_20_5<ClientboundPacket1_20_5> vvRewriter;
+
+    public ComponentRewriter1_20_5(final BackwardsProtocol<ClientboundPacket1_20_5, ?, ?, ?> protocol) {
+        super(protocol, ReadType.NBT);
+        vvRewriter = new com.viaversion.viaversion.protocols.v1_20_3to1_20_5.rewriter.ComponentRewriter1_20_5<>(protocol, Types1_20_5.STRUCTURED_DATA);
+    }
+
+    @Override
+    protected void handleShowItem(final UserConnection connection, final CompoundTag itemTag, @Nullable final CompoundTag componentsTag) {
+        super.handleShowItem(connection, itemTag, componentsTag);
+        if (componentsTag == null) {
+            return;
+        }
+
+        final StringTag idTag = itemTag.getStringTag("id");
+        if (idTag == null) {
+            return;
+        }
+
+        final List<StructuredData<?>> data = vvRewriter.toData(connection, componentsTag);
+        if (data.isEmpty()) {
+            return;
+        }
+
+        final int identifier = this.protocol.getMappingData().getFullItemMappings().id(idTag.getValue());
+
+        final StructuredItem structuredItem = new StructuredItem(identifier, 1, new StructuredDataContainer(data.toArray(StructuredData[]::new)));
+        final Item dataItem = protocol.getItemRewriter().handleItemToClient(connection, structuredItem);
+        if (dataItem.tag() == null) {
+            return;
+        }
+
+        itemTag.remove("components");
+
+        final StringTag tag = new StringTag(outputSerializerVersion().toSNBT(dataItem.tag()));
+        itemTag.put("tag", ComponentUtil.trimStrings(tag));
+    }
+
+    @Override
+    protected SerializerVersion inputSerializerVersion() {
+        return SerializerVersion.V1_20_5;
+    }
+
+    @Override
+    protected SerializerVersion outputSerializerVersion() {
+        return SerializerVersion.V1_20_3;
+    }
+}

common/src/main/java/com/viaversion/viabackwards/protocol/v1_20_5to1_20_3/rewriter/EntityPacketRewriter1_20_5.java

@@ -419,6 +419,9 @@ public final class EntityPacketRewriter1_20_5 extends EntityRewriter<Clientbound
                 }
                 data.setTypeAndValue(Types1_20_3.ENTITY_DATA_TYPES.varIntType, removeAlpha(color));
                 return;
+            } else if (typeId == Types1_20_5.ENTITY_DATA_TYPES.armadilloState.typeId() || typeId == Types1_20_5.ENTITY_DATA_TYPES.wolfVariantType.typeId()) {
+                event.cancel();
+                return;
             }
 
             int id = typeId;

common/src/main/java/com/viaversion/viabackwards/protocol/v1_20to1_19_4/Protocol1_20To1_19_4.java

@@ -19,7 +19,7 @@ package com.viaversion.viabackwards.protocol.v1_20to1_19_4;
 
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_20to1_19_4.data.BackwardsMappingData1_20;
 import com.viaversion.viabackwards.protocol.v1_20to1_19_4.rewriter.BlockItemPacketRewriter1_20;
 import com.viaversion.viabackwards.protocol.v1_20to1_19_4.rewriter.EntityPacketRewriter1_20;
@@ -30,7 +30,7 @@ import com.viaversion.viaversion.api.type.Types;
 import com.viaversion.viaversion.data.entity.EntityTrackerBase;
 import com.viaversion.viaversion.protocols.v1_19_3to1_19_4.packet.ClientboundPackets1_19_4;
 import com.viaversion.viaversion.protocols.v1_19_3to1_19_4.packet.ServerboundPackets1_19_4;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
 import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
@@ -39,7 +39,7 @@ import com.viaversion.viaversion.util.ArrayUtil;
 public final class Protocol1_20To1_19_4 extends BackwardsProtocol<ClientboundPackets1_19_4, ClientboundPackets1_19_4, ServerboundPackets1_19_4, ServerboundPackets1_19_4> {
 
     public static final BackwardsMappingData1_20 MAPPINGS = new BackwardsMappingData1_20();
-    private final TranslatableRewriter<ClientboundPackets1_19_4> translatableRewriter = new TranslatableRewriter<>(this, ComponentRewriter.ReadType.JSON);
+    private final JsonNBTComponentRewriter<ClientboundPackets1_19_4> translatableRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON);
     private final EntityPacketRewriter1_20 entityRewriter = new EntityPacketRewriter1_20(this);
     private final BlockItemPacketRewriter1_20 itemRewriter = new BlockItemPacketRewriter1_20(this);
     private final ParticleRewriter<ClientboundPackets1_19_4> particleRewriter = new ParticleRewriter<>(this);
@@ -117,7 +117,7 @@ public final class Protocol1_20To1_19_4 extends BackwardsProtocol<ClientboundPac
     }
 
     @Override
-    public TranslatableRewriter<ClientboundPackets1_19_4> getComponentRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPackets1_19_4> getComponentRewriter() {
         return translatableRewriter;
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_20to1_19_4/rewriter/EntityPacketRewriter1_20.java

@@ -122,7 +122,7 @@ public final class EntityPacketRewriter1_20 extends EntityRewriter<ClientboundPa
 
     @Override
     protected void registerRewrites() {
-        filter().handler((event, data) -> data.setDataType(Types1_19_4.ENTITY_DATA_TYPES.byId(data.dataType().typeId())));
+        filter().mapDataType(Types1_19_4.ENTITY_DATA_TYPES::byId);
         registerEntityDataTypeHandler(Types1_19_4.ENTITY_DATA_TYPES.itemType, Types1_19_4.ENTITY_DATA_TYPES.blockStateType, Types1_19_4.ENTITY_DATA_TYPES.optionalBlockStateType,
             Types1_19_4.ENTITY_DATA_TYPES.particleType, Types1_19_4.ENTITY_DATA_TYPES.componentType, Types1_19_4.ENTITY_DATA_TYPES.optionalComponentType);
         registerBlockStateHandler(EntityTypes1_19_4.ABSTRACT_MINECART, 11);

common/src/main/java/com/viaversion/viabackwards/protocol/v1_21_2to1_21/Protocol1_21_2To1_21.java

@@ -20,7 +20,7 @@ package com.viaversion.viabackwards.protocol.v1_21_2to1_21;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
 import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_21_2to1_21.rewriter.BlockItemPacketRewriter1_21_2;
 import com.viaversion.viabackwards.protocol.v1_21_2to1_21.rewriter.ComponentRewriter1_21_2;
 import com.viaversion.viabackwards.protocol.v1_21_2to1_21.rewriter.EntityPacketRewriter1_21_2;
@@ -62,7 +62,7 @@ public final class Protocol1_21_2To1_21 extends BackwardsProtocol<ClientboundPac
     private final EntityPacketRewriter1_21_2 entityRewriter = new EntityPacketRewriter1_21_2(this);
     private final BlockItemPacketRewriter1_21_2 itemRewriter = new BlockItemPacketRewriter1_21_2(this);
     private final ParticleRewriter1_21_2 particleRewriter = new ParticleRewriter1_21_2(this);
-    private final TranslatableRewriter<ClientboundPacket1_21_2> translatableRewriter = new ComponentRewriter1_21_2(this);
+    private final JsonNBTComponentRewriter<ClientboundPacket1_21_2> translatableRewriter = new ComponentRewriter1_21_2(this);
     private final TagRewriter<ClientboundPacket1_21_2> tagRewriter = new TagRewriter<>(this);
 
     public Protocol1_21_2To1_21() {
@@ -94,7 +94,7 @@ public final class Protocol1_21_2To1_21 extends BackwardsProtocol<ClientboundPac
         translatableRewriter.registerTabList(ClientboundPackets1_21_2.TAB_LIST);
         translatableRewriter.registerPlayerCombatKill1_20(ClientboundPackets1_21_2.PLAYER_COMBAT_KILL);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.SYSTEM_CHAT);
-        translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.DISGUISED_CHAT);
+        translatableRewriter.registerDisguisedChat(ClientboundPackets1_21_2.DISGUISED_CHAT);
         translatableRewriter.registerPing();
 
         registerServerbound(ServerboundPackets1_20_5.CLIENT_INFORMATION, this::clientInformation);
@@ -185,7 +185,7 @@ public final class Protocol1_21_2To1_21 extends BackwardsProtocol<ClientboundPac
     }
 
     @Override
-    public TranslatableRewriter<ClientboundPacket1_21_2> getComponentRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPacket1_21_2> getComponentRewriter() {
         return translatableRewriter;
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_21_2to1_21/rewriter/BlockItemPacketRewriter1_21_2.java

@@ -100,7 +100,7 @@ public final class BlockItemPacketRewriter1_21_2 extends BackwardsStructuredItem
         });
 
         protocol.registerClientbound(ClientboundPackets1_21_2.SET_CURSOR_ITEM, ClientboundPackets1_21.CONTAINER_SET_SLOT, wrapper -> {
-            wrapper.write(Types.UNSIGNED_BYTE, (short) -1); // Player inventory
+            wrapper.write(Types.BYTE, (byte) -1); // Player inventory
             wrapper.write(Types.VAR_INT, wrapper.user().get(InventoryStateIdStorage.class).stateId()); // State id; re-use the last known one
             wrapper.write(Types.SHORT, (short) -1); // Cursor
             passthroughClientboundItem(wrapper);
@@ -119,7 +119,7 @@ public final class BlockItemPacketRewriter1_21_2 extends BackwardsStructuredItem
         });
 
         protocol.registerClientbound(ClientboundPackets1_21_2.CONTAINER_SET_CONTENT, wrapper -> {
-            updateContainerId(wrapper);
+            varIntToUnsignedByte(wrapper);
 
             final int stateId = wrapper.passthrough(Types.VAR_INT);
             wrapper.user().get(InventoryStateIdStorage.class).setStateId(stateId);
@@ -132,7 +132,7 @@ public final class BlockItemPacketRewriter1_21_2 extends BackwardsStructuredItem
             passthroughClientboundItem(wrapper);
         });
         protocol.registerClientbound(ClientboundPackets1_21_2.CONTAINER_SET_SLOT, wrapper -> {
-            updateContainerId(wrapper);
+            varIntToByte(wrapper);
 
             final int stateId = wrapper.passthrough(Types.VAR_INT);
             wrapper.user().get(InventoryStateIdStorage.class).setStateId(stateId);
@@ -141,7 +141,7 @@ public final class BlockItemPacketRewriter1_21_2 extends BackwardsStructuredItem
             passthroughClientboundItem(wrapper);
         });
         protocol.registerClientbound(ClientboundPackets1_21_2.CONTAINER_SET_DATA, wrapper -> {
-            updateContainerId(wrapper);
+            varIntToUnsignedByte(wrapper);
 
             if (wrapper.user().get(InventoryStateIdStorage.class).smithingTableOpen()) {
                 // Cancel new data for smithing table
@@ -149,17 +149,17 @@ public final class BlockItemPacketRewriter1_21_2 extends BackwardsStructuredItem
             }
         });
         protocol.registerClientbound(ClientboundPackets1_21_2.CONTAINER_CLOSE, wrapper -> {
-            updateContainerId(wrapper);
+            varIntToUnsignedByte(wrapper);
             wrapper.user().get(InventoryStateIdStorage.class).setSmithingTableOpen(false);
         });
         protocol.registerClientbound(ClientboundPackets1_21_2.SET_HELD_SLOT, ClientboundPackets1_21.SET_CARRIED_ITEM);
-        protocol.registerClientbound(ClientboundPackets1_21_2.HORSE_SCREEN_OPEN, this::updateContainerId);
+        protocol.registerClientbound(ClientboundPackets1_21_2.HORSE_SCREEN_OPEN, this::varIntToUnsignedByte);
         protocol.registerServerbound(ServerboundPackets1_20_5.CONTAINER_CLOSE, wrapper -> {
-            updateContainerIdServerbound(wrapper);
+            byteToVarInt(wrapper);
             wrapper.user().get(InventoryStateIdStorage.class).setSmithingTableOpen(false);
         });
         protocol.registerServerbound(ServerboundPackets1_20_5.CONTAINER_CLICK, wrapper -> {
-            updateContainerIdServerbound(wrapper);
+            byteToVarInt(wrapper);
             wrapper.passthrough(Types.VAR_INT); // State id
             wrapper.passthrough(Types.SHORT); // Slot
             wrapper.passthrough(Types.BYTE); // Button
@@ -167,9 +167,9 @@ public final class BlockItemPacketRewriter1_21_2 extends BackwardsStructuredItem
             final int length = Limit.max(wrapper.passthrough(Types.VAR_INT), 128);
             for (int i = 0; i < length; i++) {
                 wrapper.passthrough(Types.SHORT); // Slot
-                passthroughServerboundItem(wrapper);
+                wrapper.write(itemType(), handleItemToServer(wrapper.user(), wrapper.read(mappedItemType())));
             }
-            passthroughServerboundItem(wrapper);
+            wrapper.write(itemType(), handleItemToServer(wrapper.user(), wrapper.read(mappedItemType())));
         });
 
         protocol.registerServerbound(ServerboundPackets1_20_5.USE_ITEM_ON, wrapper -> {
@@ -184,7 +184,7 @@ public final class BlockItemPacketRewriter1_21_2 extends BackwardsStructuredItem
         });
 
         protocol.registerClientbound(ClientboundPackets1_21_2.SET_PLAYER_INVENTORY, ClientboundPackets1_21.CONTAINER_SET_SLOT, wrapper -> {
-            wrapper.write(Types.UNSIGNED_BYTE, (short) -2); // Player inventory
+            wrapper.write(Types.BYTE, (byte) -2); // Player inventory
             wrapper.write(Types.VAR_INT, 0); // 0 state id
             final int slot = wrapper.read(Types.VAR_INT);
             wrapper.write(Types.SHORT, (short) slot);
@@ -268,11 +268,11 @@ public final class BlockItemPacketRewriter1_21_2 extends BackwardsStructuredItem
             wrapper.cancel();
         });
         protocol.registerClientbound(ClientboundPackets1_21_2.PLACE_GHOST_RECIPE, wrapper -> {
-            this.updateContainerId(wrapper);
+            this.varIntToByte(wrapper);
             wrapper.cancel(); // Full recipe display, this doesn't look mappable
         });
         protocol.registerServerbound(ServerboundPackets1_20_5.PLACE_RECIPE, wrapper -> {
-            this.updateContainerIdServerbound(wrapper);
+            this.byteToVarInt(wrapper);
 
             final String recipe = Key.stripMinecraftNamespace(wrapper.read(Types.STRING));
             wrapper.write(Types.VAR_INT, Integer.parseInt(recipe));
@@ -283,15 +283,19 @@ public final class BlockItemPacketRewriter1_21_2 extends BackwardsStructuredItem
         });
     }
 
-    private void updateContainerId(final PacketWrapper wrapper) {
+    private void varIntToUnsignedByte(final PacketWrapper wrapper) {
         final int containerId = wrapper.read(Types.VAR_INT);
         wrapper.write(Types.UNSIGNED_BYTE, (short) containerId);
     }
 
-    private void updateContainerIdServerbound(final PacketWrapper wrapper) {
-        final short containerId = wrapper.read(Types.UNSIGNED_BYTE);
-        final int intId = (byte) containerId;
-        wrapper.write(Types.VAR_INT, intId);
+    private void varIntToByte(final PacketWrapper wrapper) {
+        final int containerId = wrapper.read(Types.VAR_INT);
+        wrapper.write(Types.BYTE, (byte) containerId);
+    }
+
+    private void byteToVarInt(final PacketWrapper wrapper) {
+        final byte containerId = wrapper.read(Types.BYTE);
+        wrapper.write(Types.VAR_INT, (int) containerId);
     }
 
     @Override
@@ -356,7 +360,7 @@ public final class BlockItemPacketRewriter1_21_2 extends BackwardsStructuredItem
             backupTag.putString("item_model", itemModel);
         }
 
-        final Equippable equippable = data.get(StructuredDataKey.EQUIPPABLE);
+        final Equippable equippable = data.get(StructuredDataKey.EQUIPPABLE1_21_2);
         if (equippable != null) {
             final CompoundTag tag = new CompoundTag();
 
@@ -553,7 +557,7 @@ public final class BlockItemPacketRewriter1_21_2 extends BackwardsStructuredItem
             final boolean dispensable = equippable.getBoolean("dispensable");
             final boolean swappable = equippable.getBoolean("swappable");
             final boolean damageOnHurt = equippable.getBoolean("damage_on_hurt");
-            data.set(StructuredDataKey.EQUIPPABLE, new Equippable(equipmentSlot, soundEvent, model, cameraOverlay, allowedEntities, dispensable, swappable, damageOnHurt));
+            data.set(StructuredDataKey.EQUIPPABLE1_21_2, new Equippable(equipmentSlot, soundEvent, model, cameraOverlay, allowedEntities, dispensable, swappable, damageOnHurt));
         }
 
         final ByteTag glider = backupTag.getByteTag("glider");

common/src/main/java/com/viaversion/viabackwards/protocol/v1_21_2to1_21/rewriter/ComponentRewriter1_21_2.java

@@ -18,14 +18,16 @@
 package com.viaversion.viabackwards.protocol.v1_21_2to1_21.rewriter;
 
 import com.viaversion.nbt.tag.CompoundTag;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_21_2to1_21.Protocol1_21_2To1_21;
 import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.minecraft.data.StructuredDataKey;
 import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPacket1_21_2;
+import com.viaversion.viaversion.protocols.v1_21to1_21_2.rewriter.BlockItemPacketRewriter1_21_2;
 import com.viaversion.viaversion.util.SerializerVersion;
 import com.viaversion.viaversion.util.TagUtil;
 
-public final class ComponentRewriter1_21_2 extends TranslatableRewriter<ClientboundPacket1_21_2> {
+public final class ComponentRewriter1_21_2 extends JsonNBTComponentRewriter<ClientboundPacket1_21_2> {
 
     public ComponentRewriter1_21_2(final Protocol1_21_2To1_21 protocol) {
         super(protocol, ReadType.NBT);
@@ -54,18 +56,8 @@ public final class ComponentRewriter1_21_2 extends TranslatableRewriter<Clientbo
             food.putFloat("eat_seconds", 1.6F);
         }
 
-        TagUtil.removeNamespaced(componentsTag, "repairable");
-        TagUtil.removeNamespaced(componentsTag, "enchantable");
-        TagUtil.removeNamespaced(componentsTag, "consumable");
-        TagUtil.removeNamespaced(componentsTag, "use_remainder");
-        TagUtil.removeNamespaced(componentsTag, "use_cooldown");
-        TagUtil.removeNamespaced(componentsTag, "item_model");
-        TagUtil.removeNamespaced(componentsTag, "equippable");
-        TagUtil.removeNamespaced(componentsTag, "glider");
-        TagUtil.removeNamespaced(componentsTag, "tooltip_style");
-        TagUtil.removeNamespaced(componentsTag, "death_protection");
-        TagUtil.removeNamespaced(componentsTag, "damage_resistant");
-        TagUtil.removeNamespaced(componentsTag, "lock");
+        removeDataComponents(componentsTag, BlockItemPacketRewriter1_21_2.NEW_DATA_TO_REMOVE);
+        removeDataComponents(componentsTag, StructuredDataKey.DAMAGE_RESISTANT, StructuredDataKey.LOCK); // No point in updating these
     }
 
     @Override

common/src/main/java/com/viaversion/viabackwards/protocol/v1_21_2to1_21/rewriter/EntityPacketRewriter1_21_2.java

@@ -193,8 +193,8 @@ public final class EntityPacketRewriter1_21_2 extends EntityRewriter<Clientbound
         });
 
         protocol.registerClientbound(ClientboundPackets1_21_2.PLAYER_ROTATION, ClientboundPackets1_21.PLAYER_LOOK_AT, wrapper -> {
-            final float yaw = wrapper.passthrough(Types.FLOAT);
-            final float pitch = wrapper.passthrough(Types.FLOAT);
+            final float yaw = wrapper.read(Types.FLOAT);
+            final float pitch = wrapper.read(Types.FLOAT);
 
             final double yRadians = Math.toRadians(yaw);
             final double xRadians = Math.toRadians(pitch);
@@ -291,15 +291,15 @@ public final class EntityPacketRewriter1_21_2 extends EntityRewriter<Clientbound
 
             byte updatedFlags = 0;
             if (forward > 0) {
-                updatedFlags |= 1;
+                updatedFlags |= 1; // Forward
             } else if (forward < 0) {
-                updatedFlags |= 1 << 1;
+                updatedFlags |= 1 << 1; // Backward
             }
 
-            if (sideways < 0) {
-                updatedFlags |= 1 << 2;
-            } else if (sideways > 0) {
-                updatedFlags |= 1 << 3;
+            if (sideways > 0) {
+                updatedFlags |= 1 << 2; // Left
+            } else if (sideways < 0) {
+                updatedFlags |= 1 << 3; // Right
             }
 
             if ((flags & 1) != 0) { // Jumping

common/src/main/java/com/viaversion/viabackwards/protocol/v1_21_2to1_21/task/PlayerPacketsTickTask.java

@@ -20,46 +20,48 @@ package com.viaversion.viabackwards.protocol.v1_21_2to1_21.task;
 import com.viaversion.viabackwards.ViaBackwards;
 import com.viaversion.viabackwards.protocol.v1_21_2to1_21.Protocol1_21_2To1_21;
 import com.viaversion.viabackwards.protocol.v1_21_2to1_21.storage.PlayerStorage;
-import com.viaversion.viaversion.api.Via;
 import com.viaversion.viaversion.api.connection.ProtocolInfo;
 import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
 import com.viaversion.viaversion.api.protocol.packet.State;
+import com.viaversion.viaversion.protocol.ProtocolRunnable;
 import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ServerboundPackets1_21_2;
 import com.viaversion.viaversion.protocols.v1_21to1_21_2.storage.ClientVehicleStorage;
 import io.netty.channel.Channel;
 import java.util.logging.Level;
 
-public final class PlayerPacketsTickTask implements Runnable {
+public final class PlayerPacketsTickTask extends ProtocolRunnable {
+
+    public PlayerPacketsTickTask() {
+        super(Protocol1_21_2To1_21.class);
+    }
 
     @Override
-    public void run() {
-        for (final UserConnection user : Via.getManager().getConnectionManager().getConnections()) {
-            final ProtocolInfo protocolInfo = user.getProtocolInfo();
-            if (protocolInfo.getClientState() != State.PLAY || protocolInfo.getServerState() != State.PLAY || !protocolInfo.getPipeline().contains(Protocol1_21_2To1_21.class)) {
-                continue;
-            }
-
-            final Channel channel = user.getChannel();
-            channel.eventLoop().submit(() -> {
-                if (!channel.isActive() || protocolInfo.getClientState() != State.PLAY || protocolInfo.getServerState() != State.PLAY) {
-                    return;
-                }
-                try {
-                    if (!user.has(ClientVehicleStorage.class)) {
-                        final PlayerStorage playerStorage = user.get(PlayerStorage.class);
-                        playerStorage.tick(user);
-                    }
-                } catch (final Throwable t) {
-                    ViaBackwards.getPlatform().getLogger().log(Level.SEVERE, "Error while sending player input packet.", t);
-                }
-                try {
-                    final PacketWrapper clientTickEndPacket = PacketWrapper.create(ServerboundPackets1_21_2.CLIENT_TICK_END, user);
-                    clientTickEndPacket.sendToServer(Protocol1_21_2To1_21.class);
-                } catch (final Throwable t) {
-                    ViaBackwards.getPlatform().getLogger().log(Level.SEVERE, "Error while sending client tick end packet.", t);
-                }
-            });
+    public void run(final UserConnection connection) {
+        final ProtocolInfo protocolInfo = connection.getProtocolInfo();
+        if (protocolInfo.getClientState() != State.PLAY || protocolInfo.getServerState() != State.PLAY) {
+            return;
         }
+
+        final Channel channel = connection.getChannel();
+        channel.eventLoop().submit(() -> {
+            if (!channel.isActive() || protocolInfo.getClientState() != State.PLAY || protocolInfo.getServerState() != State.PLAY) {
+                return;
+            }
+            try {
+                if (!connection.has(ClientVehicleStorage.class)) {
+                    final PlayerStorage playerStorage = connection.get(PlayerStorage.class);
+                    playerStorage.tick(connection);
+                }
+            } catch (final Throwable t) {
+                ViaBackwards.getPlatform().getLogger().log(Level.SEVERE, "Error while sending player input packet.", t);
+            }
+            try {
+                final PacketWrapper clientTickEndPacket = PacketWrapper.create(ServerboundPackets1_21_2.CLIENT_TICK_END, connection);
+                clientTickEndPacket.sendToServer(Protocol1_21_2To1_21.class);
+            } catch (final Throwable t) {
+                ViaBackwards.getPlatform().getLogger().log(Level.SEVERE, "Error while sending client tick end packet.", t);
+            }
+        });
     }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/v1_21_4to1_21_2/Protocol1_21_4To1_21_2.java

@@ -20,7 +20,7 @@ package com.viaversion.viabackwards.protocol.v1_21_4to1_21_2;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
 import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_21_4to1_21_2.rewriter.BlockItemPacketRewriter1_21_4;
 import com.viaversion.viabackwards.protocol.v1_21_4to1_21_2.rewriter.ComponentRewriter1_21_4;
 import com.viaversion.viabackwards.protocol.v1_21_4to1_21_2.rewriter.EntityPacketRewriter1_21_4;
@@ -59,7 +59,7 @@ public final class Protocol1_21_4To1_21_2 extends BackwardsProtocol<ClientboundP
     private final EntityPacketRewriter1_21_4 entityRewriter = new EntityPacketRewriter1_21_4(this);
     private final BlockItemPacketRewriter1_21_4 itemRewriter = new BlockItemPacketRewriter1_21_4(this);
     private final ParticleRewriter<ClientboundPacket1_21_2> particleRewriter = new ParticleRewriter1_21_4(this);
-    private final TranslatableRewriter<ClientboundPacket1_21_2> translatableRewriter = new ComponentRewriter1_21_4(this);
+    private final JsonNBTComponentRewriter<ClientboundPacket1_21_2> translatableRewriter = new ComponentRewriter1_21_4(this);
     private final TagRewriter<ClientboundPacket1_21_2> tagRewriter = new TagRewriter<>(this);
 
     public Protocol1_21_4To1_21_2() {
@@ -81,7 +81,7 @@ public final class Protocol1_21_4To1_21_2 extends BackwardsProtocol<ClientboundP
         new StatisticsRewriter<>(this).register(ClientboundPackets1_21_2.AWARD_STATS);
         new AttributeRewriter<>(this).register1_21(ClientboundPackets1_21_2.UPDATE_ATTRIBUTES);
 
-        translatableRewriter.registerOpenScreen(ClientboundPackets1_21_2.OPEN_SCREEN);
+        translatableRewriter.registerOpenScreen1_14(ClientboundPackets1_21_2.OPEN_SCREEN);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.SET_ACTION_BAR_TEXT);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.SET_TITLE_TEXT);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.SET_SUBTITLE_TEXT);
@@ -90,7 +90,7 @@ public final class Protocol1_21_4To1_21_2 extends BackwardsProtocol<ClientboundP
         translatableRewriter.registerTabList(ClientboundPackets1_21_2.TAB_LIST);
         translatableRewriter.registerPlayerCombatKill1_20(ClientboundPackets1_21_2.PLAYER_COMBAT_KILL);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.SYSTEM_CHAT);
-        translatableRewriter.registerComponentPacket(ClientboundPackets1_21_2.DISGUISED_CHAT);
+        translatableRewriter.registerDisguisedChat(ClientboundPackets1_21_2.DISGUISED_CHAT);
         translatableRewriter.registerPing();
 
         particleRewriter.registerExplode1_21_2(ClientboundPackets1_21_2.EXPLODE);
@@ -199,7 +199,7 @@ public final class Protocol1_21_4To1_21_2 extends BackwardsProtocol<ClientboundP
     }
 
     @Override
-    public TranslatableRewriter<ClientboundPacket1_21_2> getComponentRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPacket1_21_2> getComponentRewriter() {
         return translatableRewriter;
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_21_4to1_21_2/rewriter/ComponentRewriter1_21_4.java

@@ -19,13 +19,13 @@ package com.viaversion.viabackwards.protocol.v1_21_4to1_21_2.rewriter;
 
 import com.viaversion.nbt.tag.CompoundTag;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.minecraft.data.StructuredDataKey;
 import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPacket1_21_2;
 import com.viaversion.viaversion.util.SerializerVersion;
-import com.viaversion.viaversion.util.TagUtil;
 
-public final class ComponentRewriter1_21_4 extends TranslatableRewriter<ClientboundPacket1_21_2> {
+public final class ComponentRewriter1_21_4 extends JsonNBTComponentRewriter<ClientboundPacket1_21_2> {
 
     public ComponentRewriter1_21_4(final BackwardsProtocol<ClientboundPacket1_21_2, ?, ?, ?> protocol) {
         super(protocol, ReadType.NBT);
@@ -38,8 +38,7 @@ public final class ComponentRewriter1_21_4 extends TranslatableRewriter<Clientbo
             return;
         }
 
-        TagUtil.removeNamespaced(componentsTag, "custom_model_data");
-        TagUtil.removeNamespaced(componentsTag, "trim");
+        removeDataComponents(componentsTag, StructuredDataKey.CUSTOM_MODEL_DATA1_21_4, StructuredDataKey.TRIM1_21_4);
     }
 
     @Override

common/src/main/java/com/viaversion/viabackwards/protocol/v1_21_5to1_21_4/Protocol1_21_5To1_21_4.java

@@ -0,0 +1,224 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2025 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.v1_21_5to1_21_4;
+
+import com.viaversion.viabackwards.api.BackwardsProtocol;
+import com.viaversion.viabackwards.api.data.BackwardsMappingData;
+import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
+import com.viaversion.viabackwards.protocol.v1_21_5to1_21_4.rewriter.BlockItemPacketRewriter1_21_5;
+import com.viaversion.viabackwards.protocol.v1_21_5to1_21_4.rewriter.ComponentRewriter1_21_5;
+import com.viaversion.viabackwards.protocol.v1_21_5to1_21_4.rewriter.EntityPacketRewriter1_21_5;
+import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.minecraft.Particle;
+import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_21_4;
+import com.viaversion.viaversion.api.minecraft.item.data.ChatType;
+import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
+import com.viaversion.viaversion.api.protocol.packet.provider.PacketTypesProvider;
+import com.viaversion.viaversion.api.protocol.packet.provider.SimplePacketTypesProvider;
+import com.viaversion.viaversion.api.type.Types;
+import com.viaversion.viaversion.api.type.types.version.Types1_21_4;
+import com.viaversion.viaversion.api.type.types.version.Types1_21_5;
+import com.viaversion.viaversion.data.entity.EntityTrackerBase;
+import com.viaversion.viaversion.protocols.v1_19_3to1_19_4.rewriter.CommandRewriter1_19_4;
+import com.viaversion.viaversion.protocols.v1_20_3to1_20_5.packet.ServerboundConfigurationPackets1_20_5;
+import com.viaversion.viaversion.protocols.v1_20_5to1_21.packet.ClientboundConfigurationPackets1_21;
+import com.viaversion.viaversion.protocols.v1_21_2to1_21_4.packet.ServerboundPacket1_21_4;
+import com.viaversion.viaversion.protocols.v1_21_2to1_21_4.packet.ServerboundPackets1_21_4;
+import com.viaversion.viaversion.protocols.v1_21_4to1_21_5.Protocol1_21_4To1_21_5;
+import com.viaversion.viaversion.protocols.v1_21_4to1_21_5.packet.ClientboundPacket1_21_5;
+import com.viaversion.viaversion.protocols.v1_21_4to1_21_5.packet.ClientboundPackets1_21_5;
+import com.viaversion.viaversion.protocols.v1_21_4to1_21_5.packet.ServerboundPacket1_21_5;
+import com.viaversion.viaversion.protocols.v1_21_4to1_21_5.packet.ServerboundPackets1_21_5;
+import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPacket1_21_2;
+import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPackets1_21_2;
+import com.viaversion.viaversion.rewriter.ParticleRewriter;
+import com.viaversion.viaversion.rewriter.StatisticsRewriter;
+import com.viaversion.viaversion.rewriter.TagRewriter;
+import com.viaversion.viaversion.util.Key;
+
+import static com.viaversion.viaversion.util.ProtocolUtil.packetTypeMap;
+
+public final class Protocol1_21_5To1_21_4 extends BackwardsProtocol<ClientboundPacket1_21_5, ClientboundPacket1_21_2, ServerboundPacket1_21_5, ServerboundPacket1_21_4> {
+
+    public static final BackwardsMappingData MAPPINGS = new BackwardsMappingData("1.21.5", "1.21.4", Protocol1_21_4To1_21_5.class);
+    private final EntityPacketRewriter1_21_5 entityRewriter = new EntityPacketRewriter1_21_5(this);
+    private final BlockItemPacketRewriter1_21_5 itemRewriter = new BlockItemPacketRewriter1_21_5(this);
+    private final ParticleRewriter<ClientboundPacket1_21_5> particleRewriter = new ParticleRewriter<>(this, Types1_21_5.PARTICLE, Types1_21_4.PARTICLE) {
+        @Override
+        public void rewriteParticle(final UserConnection connection, final Particle particle) {
+            if (particle.id() == MAPPINGS.getParticleMappings().id("tinted_leaves")) {
+                particle.getArguments().clear();
+            }
+            super.rewriteParticle(connection, particle);
+        }
+    };
+    private final ComponentRewriter1_21_5 translatableRewriter = new ComponentRewriter1_21_5(this);
+    private final TagRewriter<ClientboundPacket1_21_5> tagRewriter = new TagRewriter<>(this);
+
+    public Protocol1_21_5To1_21_4() {
+        super(ClientboundPacket1_21_5.class, ClientboundPacket1_21_2.class, ServerboundPacket1_21_5.class, ServerboundPacket1_21_4.class);
+    }
+
+    @Override
+    protected void registerPackets() {
+        super.registerPackets();
+
+        tagRewriter.registerGeneric(ClientboundPackets1_21_5.UPDATE_TAGS);
+        tagRewriter.registerGeneric(ClientboundConfigurationPackets1_21.UPDATE_TAGS);
+
+        final SoundRewriter<ClientboundPacket1_21_5> soundRewriter = new SoundRewriter<>(this);
+        soundRewriter.registerSound1_19_3(ClientboundPackets1_21_5.SOUND);
+        soundRewriter.registerSound1_19_3(ClientboundPackets1_21_5.SOUND_ENTITY);
+        soundRewriter.registerStopSound(ClientboundPackets1_21_5.STOP_SOUND);
+
+        new StatisticsRewriter<>(this).register(ClientboundPackets1_21_5.AWARD_STATS);
+
+        translatableRewriter.registerOpenScreen1_14(ClientboundPackets1_21_5.OPEN_SCREEN);
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_21_5.SET_ACTION_BAR_TEXT);
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_21_5.SET_TITLE_TEXT);
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_21_5.SET_SUBTITLE_TEXT);
+        translatableRewriter.registerBossEvent(ClientboundPackets1_21_5.BOSS_EVENT);
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_21_5.DISCONNECT);
+        translatableRewriter.registerTabList(ClientboundPackets1_21_5.TAB_LIST);
+        translatableRewriter.registerPlayerCombatKill1_20(ClientboundPackets1_21_5.PLAYER_COMBAT_KILL);
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_21_5.SYSTEM_CHAT);
+        translatableRewriter.registerDisguisedChat(ClientboundPackets1_21_5.DISGUISED_CHAT);
+        translatableRewriter.registerPlayerInfoUpdate1_21_4(ClientboundPackets1_21_5.PLAYER_INFO_UPDATE);
+        translatableRewriter.registerPing();
+
+        particleRewriter.registerLevelParticles1_21_4(ClientboundPackets1_21_5.LEVEL_PARTICLES);
+        particleRewriter.registerExplode1_21_2(ClientboundPackets1_21_5.EXPLODE);
+
+        new CommandRewriter1_19_4<>(this) {
+            @Override
+            public void handleArgument(final PacketWrapper wrapper, final String argumentType) {
+                if (argumentType.equals("minecraft:resource")) {
+                    String resource = wrapper.read(Types.STRING);
+                    if (Key.equals(resource, "test_instance")) {
+                        resource = "minecraft:item"; // Just give it anything else
+                    }
+                    wrapper.write(Types.STRING, resource);
+                } else if (argumentType.equals("minecraft:resource_selector")) {
+                    wrapper.read(Types.STRING); // Selector
+                    wrapper.write(Types.VAR_INT, 1); // Quotable string
+                } else {
+                    super.handleArgument(wrapper, argumentType);
+                }
+            }
+        }.registerDeclareCommands1_19(ClientboundPackets1_21_5.COMMANDS);
+
+        registerClientbound(ClientboundPackets1_21_5.PLAYER_CHAT, wrapper -> {
+            wrapper.read(Types.VAR_INT); // Index
+
+            wrapper.passthrough(Types.UUID); // Sender
+            wrapper.passthrough(Types.VAR_INT); // Index
+            wrapper.passthrough(Types.OPTIONAL_SIGNATURE_BYTES); // Signature
+            wrapper.passthrough(Types.STRING); // Plain content
+            wrapper.passthrough(Types.LONG); // Timestamp
+            wrapper.passthrough(Types.LONG); // Salt
+
+            final int lastSeen = wrapper.passthrough(Types.VAR_INT);
+            for (int i = 0; i < lastSeen; i++) {
+                final int index = wrapper.passthrough(Types.VAR_INT);
+                if (index == 0) {
+                    wrapper.passthrough(Types.SIGNATURE_BYTES);
+                }
+            }
+
+            translatableRewriter.processTag(wrapper.user(), wrapper.passthrough(Types.OPTIONAL_TAG)); // Unsigned content
+
+            final int filterMaskType = wrapper.passthrough(Types.VAR_INT);
+            if (filterMaskType == 2) { // Partially filtered
+                wrapper.passthrough(Types.LONG_ARRAY_PRIMITIVE); // Mask
+            }
+
+            wrapper.passthrough(ChatType.TYPE); // Chat Type
+            translatableRewriter.processTag(wrapper.user(), wrapper.passthrough(Types.TAG)); // Name
+            translatableRewriter.processTag(wrapper.user(), wrapper.passthrough(Types.OPTIONAL_TAG)); // Target Name
+        });
+        registerServerbound(ServerboundPackets1_21_4.CHAT_COMMAND_SIGNED, wrapper -> {
+            wrapper.passthrough(Types.STRING); // Command
+            wrapper.passthrough(Types.LONG); // Timestamp
+            wrapper.passthrough(Types.LONG); // Salt
+            final int signatures = wrapper.passthrough(Types.VAR_INT);
+            for (int i = 0; i < signatures; i++) {
+                wrapper.passthrough(Types.STRING); // Argument name
+                wrapper.passthrough(Types.SIGNATURE_BYTES); // Signature
+            }
+            wrapper.passthrough(Types.VAR_INT); // Offset
+            wrapper.passthrough(Types.ACKNOWLEDGED_BIT_SET); // Acknowledged
+            wrapper.write(Types.BYTE, (byte) 0); // Checksum
+        });
+        registerServerbound(ServerboundPackets1_21_4.CHAT, wrapper -> {
+            wrapper.passthrough(Types.STRING); // Message
+            wrapper.passthrough(Types.LONG); // Timestamp
+            wrapper.passthrough(Types.LONG); // Salt
+            wrapper.passthrough(Types.OPTIONAL_SIGNATURE_BYTES); // Signature
+            wrapper.passthrough(Types.VAR_INT); // Offset
+            wrapper.passthrough(Types.ACKNOWLEDGED_BIT_SET); // Acknowledged
+            wrapper.write(Types.BYTE, (byte) 0); // Checksum
+        });
+
+        cancelClientbound(ClientboundPackets1_21_5.TEST_INSTANCE_BLOCK_STATUS);
+    }
+
+    @Override
+    public void init(final UserConnection user) {
+        addEntityTracker(user, new EntityTrackerBase(user, EntityTypes1_21_4.PLAYER));
+    }
+
+    @Override
+    public BackwardsMappingData getMappingData() {
+        return MAPPINGS;
+    }
+
+    @Override
+    public EntityPacketRewriter1_21_5 getEntityRewriter() {
+        return entityRewriter;
+    }
+
+    @Override
+    public BlockItemPacketRewriter1_21_5 getItemRewriter() {
+        return itemRewriter;
+    }
+
+    @Override
+    public ParticleRewriter<ClientboundPacket1_21_5> getParticleRewriter() {
+        return particleRewriter;
+    }
+
+    @Override
+    public ComponentRewriter1_21_5 getComponentRewriter() {
+        return translatableRewriter;
+    }
+
+    @Override
+    public TagRewriter<ClientboundPacket1_21_5> getTagRewriter() {
+        return tagRewriter;
+    }
+
+    @Override
+    protected PacketTypesProvider<ClientboundPacket1_21_5, ClientboundPacket1_21_2, ServerboundPacket1_21_5, ServerboundPacket1_21_4> createPacketTypesProvider() {
+        return new SimplePacketTypesProvider<>(
+            packetTypeMap(unmappedClientboundPacketType, ClientboundPackets1_21_5.class, ClientboundConfigurationPackets1_21.class),
+            packetTypeMap(mappedClientboundPacketType, ClientboundPackets1_21_2.class, ClientboundConfigurationPackets1_21.class),
+            packetTypeMap(mappedServerboundPacketType, ServerboundPackets1_21_5.class, ServerboundConfigurationPackets1_20_5.class),
+            packetTypeMap(unmappedServerboundPacketType, ServerboundPackets1_21_4.class, ServerboundConfigurationPackets1_20_5.class)
+        );
+    }
+}

common/src/main/java/com/viaversion/viabackwards/protocol/v1_21_5to1_21_4/rewriter/BlockItemPacketRewriter1_21_5.java

@@ -0,0 +1,589 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2025 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.v1_21_5to1_21_4.rewriter;
+
+import static com.viaversion.viaversion.protocols.v1_21_4to1_21_5.rewriter.BlockItemPacketRewriter1_21_5.downgradeItemData;
+import static com.viaversion.viaversion.protocols.v1_21_4to1_21_5.rewriter.BlockItemPacketRewriter1_21_5.updateItemData;
+import static com.viaversion.viaversion.util.MathUtil.ceilLog2;
+
+import com.viaversion.nbt.tag.CompoundTag;
+import com.viaversion.nbt.tag.FloatTag;
+import com.viaversion.nbt.tag.IntArrayTag;
+import com.viaversion.nbt.tag.IntTag;
+import com.viaversion.nbt.tag.ListTag;
+import com.viaversion.nbt.tag.LongArrayTag;
+import com.viaversion.nbt.tag.Tag;
+import com.viaversion.viabackwards.api.rewriters.BackwardsStructuredItemRewriter;
+import com.viaversion.viabackwards.protocol.v1_21_5to1_21_4.Protocol1_21_5To1_21_4;
+import com.viaversion.viabackwards.protocol.v1_21_5to1_21_4.storage.HorseDataStorage;
+import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.data.Mappings;
+import com.viaversion.viaversion.api.data.entity.EntityTracker;
+import com.viaversion.viaversion.api.data.entity.TrackedEntity;
+import com.viaversion.viaversion.api.minecraft.Holder;
+import com.viaversion.viaversion.api.minecraft.HolderSet;
+import com.viaversion.viaversion.api.minecraft.PaintingVariant;
+import com.viaversion.viaversion.api.minecraft.SoundEvent;
+import com.viaversion.viaversion.api.minecraft.blockentity.BlockEntity;
+import com.viaversion.viaversion.api.minecraft.chunks.Chunk;
+import com.viaversion.viaversion.api.minecraft.chunks.Chunk1_18;
+import com.viaversion.viaversion.api.minecraft.chunks.DataPalette;
+import com.viaversion.viaversion.api.minecraft.chunks.Heightmap;
+import com.viaversion.viaversion.api.minecraft.data.StructuredDataContainer;
+import com.viaversion.viaversion.api.minecraft.data.StructuredDataKey;
+import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_21_5;
+import com.viaversion.viaversion.api.minecraft.entitydata.EntityData;
+import com.viaversion.viaversion.api.minecraft.item.HashedStructuredItem;
+import com.viaversion.viaversion.api.minecraft.item.Item;
+import com.viaversion.viaversion.api.minecraft.item.data.ArmorTrimMaterial;
+import com.viaversion.viaversion.api.minecraft.item.data.ArmorTrimPattern;
+import com.viaversion.viaversion.api.minecraft.item.data.BlocksAttacks;
+import com.viaversion.viaversion.api.minecraft.item.data.BlocksAttacks.DamageReduction;
+import com.viaversion.viaversion.api.minecraft.item.data.BlocksAttacks.ItemDamageFunction;
+import com.viaversion.viaversion.api.minecraft.item.data.Equippable;
+import com.viaversion.viaversion.api.minecraft.item.data.ProvidesTrimMaterial;
+import com.viaversion.viaversion.api.minecraft.item.data.ToolProperties;
+import com.viaversion.viaversion.api.minecraft.item.data.TooltipDisplay;
+import com.viaversion.viaversion.api.minecraft.item.data.Weapon;
+import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
+import com.viaversion.viaversion.api.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.api.type.Type;
+import com.viaversion.viaversion.api.type.Types;
+import com.viaversion.viaversion.api.type.types.chunk.ChunkBiomesType1_19_4;
+import com.viaversion.viaversion.api.type.types.chunk.ChunkBiomesType1_21_5;
+import com.viaversion.viaversion.api.type.types.chunk.ChunkType1_20_2;
+import com.viaversion.viaversion.api.type.types.chunk.ChunkType1_21_5;
+import com.viaversion.viaversion.api.type.types.version.Types1_21_4;
+import com.viaversion.viaversion.api.type.types.version.Types1_21_5;
+import com.viaversion.viaversion.libs.fastutil.ints.IntLinkedOpenHashSet;
+import com.viaversion.viaversion.protocols.v1_21_2to1_21_4.packet.ServerboundPacket1_21_4;
+import com.viaversion.viaversion.protocols.v1_21_2to1_21_4.packet.ServerboundPackets1_21_4;
+import com.viaversion.viaversion.protocols.v1_21_4to1_21_5.packet.ClientboundPacket1_21_5;
+import com.viaversion.viaversion.protocols.v1_21_4to1_21_5.packet.ClientboundPackets1_21_5;
+import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPackets1_21_2;
+import com.viaversion.viaversion.rewriter.BlockRewriter;
+import com.viaversion.viaversion.rewriter.RecipeDisplayRewriter;
+import com.viaversion.viaversion.util.Either;
+import com.viaversion.viaversion.util.Key;
+import com.viaversion.viaversion.util.Limit;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public final class BlockItemPacketRewriter1_21_5 extends BackwardsStructuredItemRewriter<ClientboundPacket1_21_5, ServerboundPacket1_21_4, Protocol1_21_5To1_21_4> {
+    private static final int SIGN_BOCK_ENTITY_ID = 7;
+    private static final int HANGING_SIGN_BOCK_ENTITY_ID = 8;
+    private static final int SADDLE_EQUIPMENT_SLOT = 7;
+    private static final byte SADDLED_FLAG = 4;
+
+    public BlockItemPacketRewriter1_21_5(final Protocol1_21_5To1_21_4 protocol) {
+        super(protocol,
+                Types1_21_5.ITEM, Types1_21_5.ITEM_ARRAY, Types1_21_4.ITEM, Types1_21_4.ITEM_ARRAY,
+                Types1_21_5.ITEM_COST, Types1_21_5.OPTIONAL_ITEM_COST, Types1_21_4.ITEM_COST, Types1_21_4.OPTIONAL_ITEM_COST
+        );
+    }
+
+    @Override
+    public void registerPackets() {
+        final BlockRewriter<ClientboundPacket1_21_5> blockRewriter = BlockRewriter.for1_20_2(protocol);
+        blockRewriter.registerBlockEvent(ClientboundPackets1_21_5.BLOCK_EVENT);
+        blockRewriter.registerBlockUpdate(ClientboundPackets1_21_5.BLOCK_UPDATE);
+        blockRewriter.registerSectionBlocksUpdate1_20(ClientboundPackets1_21_5.SECTION_BLOCKS_UPDATE);
+        blockRewriter.registerLevelEvent1_21(ClientboundPackets1_21_5.LEVEL_EVENT, 2001);
+        blockRewriter.registerBlockEntityData(ClientboundPackets1_21_5.BLOCK_ENTITY_DATA, this::handleBlockEntity);
+
+        protocol.registerClientbound(ClientboundPackets1_21_5.LEVEL_CHUNK_WITH_LIGHT, wrapper -> {
+            final EntityTracker tracker = protocol.getEntityRewriter().tracker(wrapper.user());
+            final Mappings blockStateMappings = protocol.getMappingData().getBlockStateMappings();
+            final Type<Chunk> chunkType = new ChunkType1_21_5(tracker.currentWorldSectionHeight(), ceilLog2(blockStateMappings.size()), ceilLog2(tracker.biomesSent()));
+            final Chunk chunk = wrapper.read(chunkType);
+            blockRewriter.handleChunk(chunk);
+            blockRewriter.handleBlockEntities(null, chunk, wrapper.user());
+
+            final Type<Chunk> newChunkType = new ChunkType1_20_2(tracker.currentWorldSectionHeight(), ceilLog2(blockStateMappings.mappedSize()), ceilLog2(tracker.biomesSent()));
+            final CompoundTag heightmapTag = new CompoundTag();
+            for (final Heightmap heightmap : chunk.heightmaps()) {
+                final String typeKey = heightmapType(heightmap.type());
+                if (typeKey == null) {
+                    protocol.getLogger().warning("Unknown heightmap type id: " + heightmap.type());
+                    continue;
+                }
+
+                heightmapTag.put(typeKey, new LongArrayTag(heightmap.data()));
+            }
+
+            final Chunk mappedChunk = new Chunk1_18(chunk.getX(), chunk.getZ(), chunk.getSections(), heightmapTag, chunk.blockEntities());
+            blockRewriter.handleBlockEntities(this::handleBlockEntity, chunk, wrapper.user());
+            wrapper.write(newChunkType, mappedChunk);
+        });
+
+        protocol.registerClientbound(ClientboundPackets1_21_5.CHUNKS_BIOMES, wrapper -> {
+            final EntityTracker tracker = protocol.getEntityRewriter().tracker(wrapper.user());
+            final int globalPaletteBiomeBits = ceilLog2(tracker.biomesSent());
+            final Type<DataPalette[]> biomesType = new ChunkBiomesType1_21_5(tracker.currentWorldSectionHeight(), globalPaletteBiomeBits);
+            final Type<DataPalette[]> newBiomesType = new ChunkBiomesType1_19_4(tracker.currentWorldSectionHeight(), globalPaletteBiomeBits);
+
+            final int size = wrapper.passthrough(Types.VAR_INT);
+            for (int i = 0; i < size; i++) {
+                wrapper.passthrough(Types.CHUNK_POSITION);
+                wrapper.passthroughAndMap(biomesType, newBiomesType);
+            }
+        });
+
+        protocol.registerClientbound(ClientboundPackets1_21_5.SET_CURSOR_ITEM, this::passthroughClientboundItem);
+        registerSetPlayerInventory(ClientboundPackets1_21_5.SET_PLAYER_INVENTORY);
+        registerCooldown1_21_2(ClientboundPackets1_21_5.COOLDOWN);
+        registerSetContent1_21_2(ClientboundPackets1_21_5.CONTAINER_SET_CONTENT);
+        registerSetSlot1_21_2(ClientboundPackets1_21_5.CONTAINER_SET_SLOT);
+        registerMerchantOffers1_20_5(ClientboundPackets1_21_5.MERCHANT_OFFERS);
+
+        protocol.registerServerbound(ServerboundPackets1_21_4.SET_CREATIVE_MODE_SLOT, wrapper -> {
+            wrapper.passthrough(Types.SHORT); // Slot
+
+            final Item item = handleItemToServer(wrapper.user(), wrapper.read(mappedItemType()));
+            wrapper.write(Types1_21_5.LENGTH_PREFIXED_ITEM, item);
+        });
+
+        protocol.registerServerbound(ServerboundPackets1_21_4.CONTAINER_CLICK, wrapper -> {
+            wrapper.passthrough(Types.VAR_INT); // Container id
+            wrapper.passthrough(Types.VAR_INT); // State id
+            wrapper.passthrough(Types.SHORT); // Slot
+            wrapper.passthrough(Types.BYTE); // Button
+            wrapper.passthrough(Types.VAR_INT); // Mode
+
+            // We have no way of actually reconstructing the items here
+            final int affectedItems = Limit.max(wrapper.passthrough(Types.VAR_INT), 128);
+            for (int i = 0; i < affectedItems; i++) {
+                wrapper.passthrough(Types.SHORT); // Slot
+                final Item item = handleItemToServer(wrapper.user(), wrapper.read(mappedItemType()));
+                wrapper.write(Types.HASHED_ITEM, new HashedStructuredItem(item.identifier(), item.amount()));
+            }
+
+            final Item carriedItem = handleItemToServer(wrapper.user(), wrapper.read(mappedItemType()));
+            wrapper.write(Types.HASHED_ITEM, new HashedStructuredItem(carriedItem.identifier(), carriedItem.amount()));
+        });
+
+        protocol.registerClientbound(ClientboundPackets1_21_5.SET_EQUIPMENT, wrapper -> {
+            final int entityId = wrapper.passthrough(Types.VAR_INT);
+            final TrackedEntity trackedEntity = protocol.getEntityRewriter().tracker(wrapper.user()).entity(entityId);
+            byte value;
+            do {
+                value = wrapper.passthrough(Types.BYTE);
+                final int equipmentSlot = value & 0x7F;
+                if (equipmentSlot == SADDLE_EQUIPMENT_SLOT) {
+                    if (trackedEntity != null && trackedEntity.entityType().isOrHasParent(EntityTypes1_21_5.ABSTRACT_HORSE)) {
+                        sendSaddledEntityData(wrapper.user(), trackedEntity, entityId);
+                    }
+                    wrapper.cancel();
+                    return;
+                }
+                passthroughClientboundItem(wrapper);
+            } while (value < 0);
+        });
+
+        protocol.registerClientbound(ClientboundPackets1_21_5.UPDATE_ADVANCEMENTS, wrapper -> {
+            wrapper.passthrough(Types.BOOLEAN); // Reset/clear
+            int size = wrapper.passthrough(Types.VAR_INT); // Mapping size
+            for (int i = 0; i < size; i++) {
+                wrapper.passthrough(Types.STRING); // Identifier
+                wrapper.passthrough(Types.OPTIONAL_STRING); // Parent
+
+                // Display data
+                if (wrapper.passthrough(Types.BOOLEAN)) {
+                    final Tag title = wrapper.passthrough(Types.TAG);
+                    final Tag description = wrapper.passthrough(Types.TAG);
+                    final ComponentRewriter componentRewriter = protocol.getComponentRewriter();
+                    if (componentRewriter != null) {
+                        componentRewriter.processTag(wrapper.user(), title);
+                        componentRewriter.processTag(wrapper.user(), description);
+                    }
+
+                    passthroughClientboundItem(wrapper); // Icon
+                    wrapper.passthrough(Types.VAR_INT); // Frame type
+                    int flags = wrapper.passthrough(Types.INT); // Flags
+                    if ((flags & 1) != 0) {
+                        convertClientAsset(wrapper);
+                    }
+                    wrapper.passthrough(Types.FLOAT); // X
+                    wrapper.passthrough(Types.FLOAT); // Y
+                }
+
+                int requirements = wrapper.passthrough(Types.VAR_INT);
+                for (int array = 0; array < requirements; array++) {
+                    wrapper.passthrough(Types.STRING_ARRAY);
+                }
+
+                wrapper.passthrough(Types.BOOLEAN); // Send telemetry
+            }
+
+            wrapper.passthrough(Types.STRING_ARRAY); // Removed
+            final int progressSize = wrapper.passthrough(Types.VAR_INT);
+            for (int i = 0; i < progressSize; i++) {
+                wrapper.passthrough(Types.STRING); // Key
+
+                final int criterionSize = wrapper.passthrough(Types.VAR_INT);
+                for (int j = 0; j < criterionSize; j++) {
+                    wrapper.passthrough(Types.STRING); // Key
+                    wrapper.passthrough(Types.OPTIONAL_LONG); // Obtained instant
+                }
+            }
+
+            wrapper.read(Types.BOOLEAN); // Show advancements
+        });
+
+        final RecipeDisplayRewriter<ClientboundPacket1_21_5> recipeRewriter = new RecipeDisplayRewriter<>(protocol) {
+            @Override
+            protected void handleSmithingTrimSlotDisplay(final PacketWrapper wrapper) {
+                handleSlotDisplay(wrapper); // Base
+                handleSlotDisplay(wrapper); // Material
+                wrapper.read(ArmorTrimPattern.TYPE1_21_5); // Patterm
+                // Add empty slot display...
+                wrapper.write(Types.VAR_INT, 0);
+            }
+        };
+        recipeRewriter.registerUpdateRecipes(ClientboundPackets1_21_5.UPDATE_RECIPES);
+        recipeRewriter.registerRecipeBookAdd(ClientboundPackets1_21_5.RECIPE_BOOK_ADD);
+        recipeRewriter.registerPlaceGhostRecipe(ClientboundPackets1_21_5.PLACE_GHOST_RECIPE);
+    }
+
+    private void convertClientAsset(final PacketWrapper wrapper) {
+        final String background = wrapper.read(Types.STRING);
+        final String namespace = Key.namespace(background);
+        final String path = Key.stripNamespace(background);
+        wrapper.write(Types.STRING, namespace + ":textures/" + path + ".png");
+    }
+
+    private void sendSaddledEntityData(final UserConnection connection, final TrackedEntity trackedEntity, final int entityId) {
+        byte data = 0;
+        if (trackedEntity.hasData()) {
+            final HorseDataStorage horseDataStorage = trackedEntity.data().get(HorseDataStorage.class);
+            if (horseDataStorage != null) {
+                data = horseDataStorage.data();
+            }
+        }
+        trackedEntity.data().put(new HorseDataStorage(data, true));
+        data = (byte) (data | SADDLED_FLAG);
+
+        final PacketWrapper entityDataPacket = PacketWrapper.create(ClientboundPackets1_21_2.SET_ENTITY_DATA, connection);
+        final List<EntityData> entityDataList = new ArrayList<>();
+        entityDataList.add(new EntityData(17, Types1_21_4.ENTITY_DATA_TYPES.byteType, data));
+        entityDataPacket.write(Types.VAR_INT, entityId);
+        entityDataPacket.write(Types1_21_4.ENTITY_DATA_LIST, entityDataList);
+        entityDataPacket.send(Protocol1_21_5To1_21_4.class);
+    }
+
+    private void handleBlockEntity(final UserConnection connection, final BlockEntity blockEntity) {
+        final CompoundTag tag = blockEntity.tag();
+        if (tag != null && (blockEntity.typeId() == SIGN_BOCK_ENTITY_ID || blockEntity.typeId() == HANGING_SIGN_BOCK_ENTITY_ID)) {
+            updateSignMessages(connection, tag.getCompoundTag("front_text"));
+            updateSignMessages(connection, tag.getCompoundTag("back_text"));
+        }
+    }
+
+    private void updateSignMessages(final UserConnection connection, final CompoundTag tag) {
+        if (tag == null) {
+            return;
+        }
+
+        final ListTag<?> messages = tag.getListTag("messages");
+        tag.put("messages", protocol.getComponentRewriter().updateComponentList(connection, messages));
+
+        final ListTag<?> filteredMessages = tag.getListTag("filtered_messages");
+        if (filteredMessages != null) {
+            tag.put("filtered_messages", protocol.getComponentRewriter().updateComponentList(connection, filteredMessages));
+        }
+    }
+
+    private String heightmapType(final int id) {
+        return switch (id) {
+            case 0 -> "WORLD_SURFACE_WG";
+            case 1 -> "WORLD_SURFACE";
+            case 2 -> "OCEAN_FLOOR_WG";
+            case 3 -> "OCEAN_FLOOR";
+            case 4 -> "MOTION_BLOCKING";
+            case 5 -> "MOTION_BLOCKING_NO_LEAVES";
+            default -> null;
+        };
+    }
+
+    @Override
+    public Item handleItemToClient(final UserConnection connection, final Item item) {
+        super.handleItemToClient(connection, item);
+
+        final StructuredDataContainer dataContainer = item.dataContainer();
+        final CompoundTag backupTag = new CompoundTag();
+
+        final ToolProperties toolProperties = dataContainer.get(StructuredDataKey.TOOL1_21_5);
+        if (toolProperties != null && toolProperties.canDestroyBlocksInCreative()) {
+            backupTag.putBoolean("tool", true);
+        }
+
+        final Equippable equippable = dataContainer.get(StructuredDataKey.EQUIPPABLE1_21_5);
+        if (equippable != null && equippable.equipOnInteract()) {
+            backupTag.putBoolean("equippable", true);
+        }
+
+        final Weapon weapon = dataContainer.get(StructuredDataKey.WEAPON);
+        if (weapon != null) {
+            final CompoundTag weaponTag = new CompoundTag();
+            backupTag.put("weapon", weaponTag);
+            weaponTag.putInt("item_damage_per_attack", weapon.itemDamagePerAttack());
+            weaponTag.putFloat("disable_blocking_for_seconds", weapon.disableBlockingForSeconds());
+        }
+
+        final ProvidesTrimMaterial providesTrimMaterial = dataContainer.get(StructuredDataKey.PROVIDES_TRIM_MATERIAL);
+        if (providesTrimMaterial != null) {
+            final Tag materialTag = eitherHolderToTag(providesTrimMaterial.material(), (material, tag) -> {
+                tag.putString("asset_name", material.assetName());
+                tag.putInt("item_id", material.itemId());
+                tag.putFloat("item_model_index", material.itemModelIndex());
+                final CompoundTag overrideArmorMaterials = new CompoundTag();
+                material.overrideArmorMaterials().forEach(overrideArmorMaterials::putString);
+                tag.put("override_armor_materials", overrideArmorMaterials);
+                tag.put("description", material.description());
+            });
+            backupTag.put("provides_trim_material", materialTag);
+        }
+
+        final BlocksAttacks blocksAttacks = dataContainer.get(StructuredDataKey.BLOCKS_ATTACKS);
+        if (blocksAttacks != null) {
+            final CompoundTag blocksAttackTag = new CompoundTag();
+            backupTag.put("blocks_attack", blocksAttackTag);
+            blocksAttackTag.putFloat("block_delay_seconds", blocksAttacks.blockDelaySeconds());
+            blocksAttackTag.putFloat("disable_cooldown_scale", blocksAttacks.disableCooldownScale());
+
+            final ListTag<CompoundTag> damageReductions = new ListTag<>(CompoundTag.class);
+            blocksAttackTag.put("damage_reductions", damageReductions);
+            for (final DamageReduction damageReduction : blocksAttacks.damageReductions()) {
+                final CompoundTag damageReductionTag = new CompoundTag();
+                damageReductionTag.putFloat("horizontal_blocking_angle", damageReduction.horizontalBlockingAngle());
+                if (damageReduction.type() != null) {
+                    damageReductionTag.put("type", holderSetToTag(damageReduction.type()));
+                }
+                damageReductionTag.putFloat("base", damageReduction.base());
+                damageReductionTag.putFloat("factor", damageReduction.factor());
+                damageReductions.add(damageReductionTag);
+            }
+
+            final CompoundTag itemDamageTag = new CompoundTag();
+            blocksAttackTag.put("item_damage", itemDamageTag);
+            itemDamageTag.putFloat("threshold", blocksAttacks.itemDamage().threshold());
+            itemDamageTag.putFloat("base", blocksAttacks.itemDamage().base());
+            itemDamageTag.putFloat("factor", blocksAttacks.itemDamage().factor());
+            if (blocksAttacks.bypassedByTag() != null) {
+                itemDamageTag.putString("bypassed_by", blocksAttacks.bypassedByTag());
+            }
+            if (blocksAttacks.blockSound() != null) {
+                blocksAttackTag.put("block_sound", holderToTag(blocksAttacks.blockSound(), this::soundToTag));
+            }
+            if (blocksAttacks.disableSound() != null) {
+                blocksAttackTag.put("disable_sound", holderToTag(blocksAttacks.disableSound(), this::soundToTag));
+            }
+        }
+
+        final TooltipDisplay tooltipDisplay = dataContainer.get(StructuredDataKey.TOOLTIP_DISPLAY);
+        if (tooltipDisplay != null) {
+            backupTag.put("hidden_components", new IntArrayTag(tooltipDisplay.hiddenComponents().toIntArray()));
+        }
+
+        saveStringData(StructuredDataKey.PROVIDES_BANNER_PATTERNS, dataContainer, backupTag);
+        saveFloatData(StructuredDataKey.POTION_DURATION_SCALE, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.VILLAGER_VARIANT, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.FOX_VARIANT, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.SALMON_SIZE, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.PARROT_VARIANT, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.TROPICAL_FISH_PATTERN, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.TROPICAL_FISH_BASE_COLOR, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.TROPICAL_FISH_PATTERN_COLOR, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.MOOSHROOM_VARIANT, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.RABBIT_VARIANT, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.FROG_VARIANT, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.HORSE_VARIANT, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.LLAMA_VARIANT, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.AXOLOTL_VARIANT, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.CAT_VARIANT, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.CAT_COLLAR, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.SHEEP_COLOR, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.SHULKER_COLOR, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.WOLF_SOUND_VARIANT, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.COW_VARIANT, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.PIG_VARIANT, dataContainer, backupTag);
+        saveIntData(StructuredDataKey.WOLF_VARIANT, dataContainer, backupTag);
+
+        final Either<Integer, String> chickenVariant = dataContainer.get(StructuredDataKey.CHICKEN_VARIANT);
+        if (chickenVariant != null) {
+            if (chickenVariant.isLeft()) {
+                backupTag.putInt("chicken_variant", chickenVariant.left());
+            } else {
+                backupTag.putString("chicken_variant", chickenVariant.right());
+            }
+        }
+
+        saveHolderData(StructuredDataKey.PAINTING_VARIANT, dataContainer, backupTag, (paintingVariant, tag) -> {
+            tag.putInt("width", paintingVariant.width());
+            tag.putInt("height", paintingVariant.height());
+            tag.putString("asset_id", paintingVariant.assetId());
+            if (paintingVariant.title() != null) {
+                tag.put("title", paintingVariant.title());
+            }
+            if (paintingVariant.author() != null) {
+                tag.put("author", paintingVariant.author());
+            }
+        });
+
+        saveHolderData(StructuredDataKey.BREAK_SOUND, dataContainer, backupTag, this::soundToTag);
+
+        if (!backupTag.isEmpty()) {
+            saveTag(createCustomTag(item), backupTag, "backup");
+        }
+
+        downgradeItemData(item);
+        return item;
+    }
+
+    private void soundToTag(final SoundEvent soundEvent, final CompoundTag tag) {
+        tag.putString("identifier", soundEvent.identifier());
+        if (soundEvent.fixedRange() != null) {
+            tag.putFloat("fixed_range", soundEvent.fixedRange());
+        }
+    }
+
+    @Override
+    public Item handleItemToServer(final UserConnection connection, final Item item) {
+        super.handleItemToServer(connection, item);
+        restoreData(item.dataContainer());
+        updateItemData(item);
+        return item;
+    }
+
+    private void restoreData(final StructuredDataContainer data) {
+        final CompoundTag customData = data.get(StructuredDataKey.CUSTOM_DATA);
+        if (customData == null || !(customData.remove(nbtTagName("backup")) instanceof final CompoundTag backupTag)) {
+            return;
+        }
+
+        final IntArrayTag hiddenComponentsTag = backupTag.getIntArrayTag("hidden_components");
+        if (hiddenComponentsTag != null) {
+            data.set(StructuredDataKey.TOOLTIP_DISPLAY, new TooltipDisplay(data.has(StructuredDataKey.HIDE_TOOLTIP), new IntLinkedOpenHashSet(hiddenComponentsTag.getValue())));
+        }
+
+        if (backupTag.getBoolean("tool")) {
+            data.replace(StructuredDataKey.TOOL1_20_5, StructuredDataKey.TOOL1_21_5, t -> new ToolProperties(t.rules(), t.defaultMiningSpeed(), t.damagePerBlock(), true));
+        }
+
+        if (backupTag.getBoolean("equippable")) {
+            data.replace(StructuredDataKey.EQUIPPABLE1_21_2, StructuredDataKey.EQUIPPABLE1_21_5, e -> new Equippable(e.equipmentSlot(), e.soundEvent(), e.model(), e.cameraOverlay(), e.allowedEntities(), e.dispensable(), e.swappable(), e.damageOnHurt(), true));
+        }
+
+        final CompoundTag weaponTag = backupTag.getCompoundTag("weapon");
+        if (weaponTag != null) {
+            data.set(StructuredDataKey.WEAPON, new Weapon(weaponTag.getInt("item_damage_per_attack"), weaponTag.getFloat("disable_blocking_for_seconds")));
+        }
+
+        final Tag materialTag = backupTag.get("provides_trim_material");
+        if (materialTag != null) {
+            data.set(StructuredDataKey.PROVIDES_TRIM_MATERIAL, new ProvidesTrimMaterial(restoreEitherHolder(backupTag, "provides_trim_material", tag -> {
+                final String assetName = tag.getString("asset_name");
+                final int itemId = tag.getInt("item_id");
+                final float itemModelIndex = tag.getFloat("item_model_index");
+                final CompoundTag overrideArmorMaterialsTag = tag.getCompoundTag("override_armor_materials");
+                final Map<String, String> overrideArmorMaterials = new HashMap<>();
+                for (final String key : overrideArmorMaterialsTag.keySet()) {
+                    overrideArmorMaterials.put(key, overrideArmorMaterialsTag.getString(key));
+                }
+                final Tag description = tag.get("description");
+                return new ArmorTrimMaterial(assetName, itemId, itemModelIndex, overrideArmorMaterials, description);
+            })));
+        }
+
+        final CompoundTag blocksAttackTag = backupTag.getCompoundTag("blocks_attack");
+        if (blocksAttackTag != null) {
+            final float blockDelaySeconds = blocksAttackTag.getFloat("block_delay_seconds");
+            final float disableCooldownScale = blocksAttackTag.getFloat("disable_cooldown_scale");
+            final CompoundTag itemDamageTag = blocksAttackTag.getCompoundTag("item_damage");
+            final ItemDamageFunction itemDamage = new ItemDamageFunction(itemDamageTag.getFloat("threshold"), itemDamageTag.getFloat("base"), itemDamageTag.getFloat("factor"));
+            final String bypassedBy = blocksAttackTag.getString("bypassed_by");
+            final Holder<SoundEvent> blockSound = blocksAttackTag.contains("block_sound") ? restoreHolder(blocksAttackTag, "block_sound", this::tagToSound) : null;
+            final Holder<SoundEvent> disableSound = blocksAttackTag.contains("disable_sound") ? restoreHolder(blocksAttackTag, "disable_sound", this::tagToSound) : null;
+
+            final List<DamageReduction> damageReductions = new ArrayList<>();
+            for (final CompoundTag damageReductionTag : blocksAttackTag.getListTag("damage_reductions", CompoundTag.class)) {
+                final float horizontalBlockingAngle = damageReductionTag.getFloat("horizontal_blocking_angle");
+                final HolderSet type = damageReductionTag.contains("type") ? restoreHolderSet(damageReductionTag, "type") : null;
+                final float base = damageReductionTag.getFloat("base");
+                final float factor = damageReductionTag.getFloat("factor");
+                damageReductions.add(new DamageReduction(horizontalBlockingAngle, type, base, factor));
+            }
+
+            data.set(StructuredDataKey.BLOCKS_ATTACKS, new BlocksAttacks(blockDelaySeconds, disableCooldownScale, damageReductions.toArray(new DamageReduction[0]), itemDamage, bypassedBy, blockSound, disableSound));
+        }
+
+        final IntTag chickenVariant = backupTag.getIntTag("chicken_variant");
+        if (chickenVariant != null) {
+            data.set(StructuredDataKey.CHICKEN_VARIANT, Either.left(chickenVariant.asInt()));
+        } else {
+            final String chickenVariantKey = backupTag.getString("chicken_variant");
+            if (chickenVariantKey != null) {
+                data.set(StructuredDataKey.CHICKEN_VARIANT, Either.right(chickenVariantKey));
+            }
+        }
+
+        restoreStringData(StructuredDataKey.PROVIDES_BANNER_PATTERNS, data, backupTag);
+        restoreFloatData(StructuredDataKey.POTION_DURATION_SCALE, data, backupTag);
+        restoreIntData(StructuredDataKey.VILLAGER_VARIANT, data, backupTag);
+        restoreIntData(StructuredDataKey.FOX_VARIANT, data, backupTag);
+        restoreIntData(StructuredDataKey.SALMON_SIZE, data, backupTag);
+        restoreIntData(StructuredDataKey.PARROT_VARIANT, data, backupTag);
+        restoreIntData(StructuredDataKey.TROPICAL_FISH_PATTERN, data, backupTag);
+        restoreIntData(StructuredDataKey.TROPICAL_FISH_BASE_COLOR, data, backupTag);
+        restoreIntData(StructuredDataKey.TROPICAL_FISH_PATTERN_COLOR, data, backupTag);
+        restoreIntData(StructuredDataKey.MOOSHROOM_VARIANT, data, backupTag);
+        restoreIntData(StructuredDataKey.RABBIT_VARIANT, data, backupTag);
+        restoreIntData(StructuredDataKey.FROG_VARIANT, data, backupTag);
+        restoreIntData(StructuredDataKey.HORSE_VARIANT, data, backupTag);
+        restoreIntData(StructuredDataKey.LLAMA_VARIANT, data, backupTag);
+        restoreIntData(StructuredDataKey.AXOLOTL_VARIANT, data, backupTag);
+        restoreIntData(StructuredDataKey.CAT_VARIANT, data, backupTag);
+        restoreIntData(StructuredDataKey.CAT_COLLAR, data, backupTag);
+        restoreIntData(StructuredDataKey.SHEEP_COLOR, data, backupTag);
+        restoreIntData(StructuredDataKey.SHULKER_COLOR, data, backupTag);
+        restoreIntData(StructuredDataKey.WOLF_SOUND_VARIANT, data, backupTag);
+        restoreIntData(StructuredDataKey.COW_VARIANT, data, backupTag);
+        restoreIntData(StructuredDataKey.PIG_VARIANT, data, backupTag);
+        restoreIntData(StructuredDataKey.WOLF_VARIANT, data, backupTag);
+
+        restoreHolderData(StructuredDataKey.BREAK_SOUND, data, backupTag, this::tagToSound);
+        restoreHolderData(StructuredDataKey.PAINTING_VARIANT, data, backupTag, tag -> {
+            final int width = tag.getInt("width");
+            final int height = tag.getInt("height");
+            final String assetId = tag.getString("asset_id");
+            final Tag title = tag.get("title");
+            final Tag author = tag.get("author");
+            return new PaintingVariant(width, height, assetId, title, author);
+        });
+
+        removeCustomTag(data, customData);
+    }
+
+    private SoundEvent tagToSound(final CompoundTag tag) {
+        final String identifier = tag.getString("identifier");
+        final FloatTag fixedRangeTag = tag.getFloatTag("fixed_range");
+        return new SoundEvent(identifier, fixedRangeTag != null ? fixedRangeTag.asFloat() : null);
+    }
+}

common/src/main/java/com/viaversion/viabackwards/protocol/v1_21_5to1_21_4/rewriter/ComponentRewriter1_21_5.java

@@ -0,0 +1,274 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2025 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.v1_21_5to1_21_4.rewriter;
+
+import com.viaversion.nbt.tag.CompoundTag;
+import com.viaversion.nbt.tag.ListTag;
+import com.viaversion.nbt.tag.NumberTag;
+import com.viaversion.nbt.tag.StringTag;
+import com.viaversion.nbt.tag.Tag;
+import com.viaversion.viabackwards.api.BackwardsProtocol;
+import com.viaversion.viabackwards.api.rewriters.text.NBTComponentRewriter;
+import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.protocols.v1_21_4to1_21_5.packet.ClientboundPacket1_21_5;
+import com.viaversion.viaversion.protocols.v1_21_4to1_21_5.rewriter.BlockItemPacketRewriter1_21_5;
+import com.viaversion.viaversion.util.Key;
+import com.viaversion.viaversion.util.SerializerVersion;
+import com.viaversion.viaversion.util.TagUtil;
+import java.util.HashSet;
+import java.util.Set;
+
+import static com.viaversion.viaversion.util.TagUtil.getNamespacedCompoundTag;
+import static com.viaversion.viaversion.util.TagUtil.getNamespacedCompoundTagList;
+import static com.viaversion.viaversion.util.TagUtil.getNamespacedNumberTag;
+import static com.viaversion.viaversion.util.TagUtil.removeNamespaced;
+
+public final class ComponentRewriter1_21_5 extends NBTComponentRewriter<ClientboundPacket1_21_5> {
+
+    public ComponentRewriter1_21_5(final BackwardsProtocol<ClientboundPacket1_21_5, ?, ?, ?> protocol) {
+        super(protocol);
+    }
+
+    @Override
+    protected void processCompoundTag(final UserConnection connection, final CompoundTag tag) {
+        super.processCompoundTag(connection, tag);
+        if (tag.remove("hover_event") instanceof final CompoundTag hoverEvent) {
+            tag.put("hoverEvent", hoverEvent);
+        }
+
+        if (tag.remove("click_event") instanceof final CompoundTag clickEvent) {
+            tag.put("clickEvent", clickEvent);
+            updateClickEvent(clickEvent);
+        }
+    }
+
+    @Override
+    protected void handleHoverEvent(final UserConnection connection, final CompoundTag hoverEventTag) {
+        final String action = hoverEventTag.getString("action");
+        if (action == null) {
+            return;
+        }
+
+        switch (action) {
+            case "show_text" -> updateShowTextHover(hoverEventTag);
+            case "show_entity" -> updateShowEntityHover(hoverEventTag);
+            case "show_item" -> updateShowItemHover(connection, hoverEventTag);
+        }
+    }
+
+    private void updateClickEvent(final CompoundTag clickEventTag) {
+        final String action = clickEventTag.getString("action");
+        if (action == null) {
+            return;
+        }
+
+        switch (action) {
+            case "open_url" -> clickEventTag.put("value", clickEventTag.getStringTag("url"));
+            case "change_page" -> clickEventTag.putString("value", Integer.toString(clickEventTag.getInt("page")));
+            case "run_command", "suggest_command" -> clickEventTag.put("value", clickEventTag.getStringTag("command"));
+        }
+    }
+
+    private void updateShowTextHover(final CompoundTag hoverEventTag) {
+        final Tag text = hoverEventTag.remove("value");
+        hoverEventTag.put("contents", text);
+    }
+
+    private void updateShowItemHover(final UserConnection connection, final CompoundTag hoverEventTag) {
+        final CompoundTag contents = new CompoundTag();
+        hoverEventTag.put("contents", contents);
+
+        if (hoverEventTag.get("count") instanceof NumberTag countTag) {
+            contents.put("count", countTag);
+        }
+        if (hoverEventTag.get("id") instanceof StringTag idTag) {
+            contents.put("id", idTag);
+        }
+
+        final CompoundTag componentsTag = hoverEventTag.getCompoundTag("components");
+        handleShowItem(connection, contents, componentsTag);
+        if (componentsTag == null) {
+            return;
+        }
+
+        hoverEventTag.remove("components");
+        contents.put("components", componentsTag);
+
+        final CompoundTag useRemainder = TagUtil.getNamespacedCompoundTag(componentsTag, "use_remainder");
+        if (useRemainder != null) {
+            handleShowItem(connection, useRemainder);
+        }
+        handleContainerContents(connection, componentsTag);
+        handleItemArrayContents(connection, componentsTag, "bundle_contents");
+        handleItemArrayContents(connection, componentsTag, "charged_projectiles");
+        handleWrittenBookContents(connection, componentsTag);
+
+        insertUglyJson(componentsTag, connection);
+        updateDataComponents(componentsTag);
+
+        removeDataComponents(componentsTag, BlockItemPacketRewriter1_21_5.NEW_DATA_TO_REMOVE);
+    }
+
+    private void updateDataComponents(final CompoundTag componentsTag) {
+        final CompoundTag tooltipDisplay = getNamespacedCompoundTag(componentsTag, "tooltip_display");
+        Set<String> hiddenComponents = Set.of();
+        if (tooltipDisplay != null) {
+            final ListTag<StringTag> hiddenComponentsTag = tooltipDisplay.getListTag("hidden_components", StringTag.class);
+            if (hiddenComponentsTag != null) {
+                hiddenComponents = new HashSet<>(hiddenComponentsTag.size());
+                for (final StringTag stringTag : hiddenComponentsTag) {
+                    hiddenComponents.add(Key.stripMinecraftNamespace(stringTag.getValue()));
+                }
+            }
+        }
+
+        final ListTag<CompoundTag> attributeModifiers = getNamespacedCompoundTagList(componentsTag, "attribute_modifiers");
+        if (attributeModifiers != null) {
+            removeNamespaced(componentsTag, "attribute_modifiers");
+            final CompoundTag attributesParent = new CompoundTag();
+            attributesParent.put("modifiers", attributeModifiers);
+            attributesParent.putBoolean("show_in_tooltip", hiddenComponents.contains("attribute_modifiers"));
+            componentsTag.put("attribute_modifiers", attributesParent);
+        }
+
+        final NumberTag dyedColor = getNamespacedNumberTag(componentsTag, "dyed_color");
+        if (dyedColor != null) {
+            removeNamespaced(componentsTag, "dyed_color");
+            final CompoundTag dyedColorParent = new CompoundTag();
+            dyedColorParent.put("rgb", dyedColor);
+            dyedColorParent.putBoolean("show_in_tooltip", hiddenComponents.contains("dyed_color"));
+            componentsTag.put("dyed_color", dyedColorParent);
+        }
+
+        updateShowInTooltip(componentsTag, "unbreakable", hiddenComponents);
+        updateShowInTooltip(componentsTag, "dyed_color", hiddenComponents);
+        updateShowInTooltip(componentsTag, "trim", hiddenComponents);
+        updateShowInTooltip(componentsTag, "jukebox_playable", hiddenComponents);
+        handleAdventureModePredicate(componentsTag, "can_place_on", hiddenComponents);
+        handleAdventureModePredicate(componentsTag, "can_break", hiddenComponents);
+        handleEnchantments(componentsTag, "enchantments", hiddenComponents);
+        handleEnchantments(componentsTag, "stored_enchantments", hiddenComponents);
+    }
+
+    private void updateShowInTooltip(final CompoundTag tag, final String key, final Set<String> hiddenComponents) {
+        final CompoundTag data = getNamespacedCompoundTag(tag, key);
+        if (data != null) {
+            data.putBoolean("show_in_tooltip", hiddenComponents.contains(key));
+        }
+    }
+
+    private void handleAdventureModePredicate(final CompoundTag componentsTag, final String key, final Set<String> hiddenComponents) {
+        final ListTag<CompoundTag> blockPredicates = getNamespacedCompoundTagList(componentsTag, key);
+        if (blockPredicates == null) {
+            return;
+        }
+
+        removeDataComponents(componentsTag, key);
+        final CompoundTag predicate = new CompoundTag();
+        predicate.put("predicates", blockPredicates);
+        predicate.putBoolean("show_in_tooltip", hiddenComponents.contains(key));
+        componentsTag.put(key, predicate);
+    }
+
+    private void handleEnchantments(final CompoundTag componentsTag, final String key, final Set<String> hiddenComponents) {
+        final CompoundTag levels = getNamespacedCompoundTag(componentsTag, key);
+        if (levels != null) {
+            removeNamespaced(componentsTag, key);
+            final CompoundTag enchantments = new CompoundTag();
+            enchantments.put("levels", levels);
+            enchantments.putBoolean("show_in_tooltip", hiddenComponents.contains(key));
+            componentsTag.put(key, enchantments);
+        }
+    }
+
+    private void insertUglyJson(final CompoundTag componentsTag, final UserConnection connection) {
+        insertUglyJson(componentsTag, "item_name", connection);
+        insertUglyJson(componentsTag, "custom_name", connection);
+
+        final String loreKey = TagUtil.getNamespacedTagKey(componentsTag, "lore");
+        final ListTag<?> lore = componentsTag.getListTag(loreKey);
+        if (lore != null) {
+            componentsTag.put(loreKey, updateComponentList(connection, lore));
+        }
+    }
+
+    public ListTag<StringTag> updateComponentList(final UserConnection connection, final ListTag<?> messages) {
+        final ListTag<StringTag> updatedMessages = new ListTag<>(StringTag.class);
+        for (final Tag message : messages) {
+            updatedMessages.add(new StringTag(toUglyJson(connection, message)));
+        }
+        return updatedMessages;
+    }
+
+    private void insertUglyJson(final CompoundTag componentsTag, final String key, final UserConnection connection) {
+        final String actualKey = TagUtil.getNamespacedTagKey(componentsTag, key);
+        final Tag tag = componentsTag.get(actualKey);
+        if (tag == null) {
+            return;
+        }
+
+        componentsTag.putString(actualKey, toUglyJson(connection, tag));
+    }
+
+    private void updateShowEntityHover(final CompoundTag hoverEventTag) {
+        final CompoundTag contents = new CompoundTag();
+        hoverEventTag.put("contents", contents);
+
+        final Tag nameTag = hoverEventTag.remove("name");
+        if (nameTag != null) {
+            contents.put("name", nameTag);
+        }
+
+        if (hoverEventTag.remove("id") instanceof StringTag typeTag) {
+            contents.put("type", typeTag);
+        }
+
+        final Tag uuidTag = hoverEventTag.remove("uuid");
+        if (uuidTag != null) {
+            contents.put("id", uuidTag);
+        }
+    }
+
+    private String toUglyJson(final UserConnection connection, final Tag value) {
+        processTag(connection, value);
+        return SerializerVersion.V1_21_4.toString(SerializerVersion.V1_21_4.toComponent(value));
+    }
+
+    @Override
+    protected void handleWrittenBookContents(final UserConnection connection, final CompoundTag tag) {
+        final CompoundTag book = TagUtil.getNamespacedCompoundTag(tag, "written_book_content");
+        if (book == null) {
+            return;
+        }
+
+        final ListTag<CompoundTag> pagesTag = book.getListTag("pages", CompoundTag.class);
+        if (pagesTag == null) {
+            return;
+        }
+
+        for (final CompoundTag compoundTag : pagesTag) {
+            final Tag raw = compoundTag.get("raw");
+            compoundTag.putString("raw", toUglyJson(connection, raw));
+
+            final Tag filtered = compoundTag.get("filtered");
+            if (filtered != null) {
+                compoundTag.putString("filtered", toUglyJson(connection, raw));
+            }
+        }
+    }
+}

common/src/main/java/com/viaversion/viabackwards/protocol/v1_21_5to1_21_4/rewriter/EntityPacketRewriter1_21_5.java

@@ -0,0 +1,311 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2025 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.v1_21_5to1_21_4.rewriter;
+
+import com.viaversion.nbt.tag.CompoundTag;
+import com.viaversion.nbt.tag.ListTag;
+import com.viaversion.nbt.tag.StringTag;
+import com.viaversion.viabackwards.api.rewriters.EntityRewriter;
+import com.viaversion.viabackwards.protocol.v1_21_5to1_21_4.Protocol1_21_5To1_21_4;
+import com.viaversion.viabackwards.protocol.v1_21_5to1_21_4.storage.HorseDataStorage;
+import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.data.entity.TrackedEntity;
+import com.viaversion.viaversion.api.minecraft.Holder;
+import com.viaversion.viaversion.api.minecraft.RegistryEntry;
+import com.viaversion.viaversion.api.minecraft.WolfVariant;
+import com.viaversion.viaversion.api.minecraft.entities.EntityType;
+import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_21_5;
+import com.viaversion.viaversion.api.minecraft.entitydata.EntityData;
+import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
+import com.viaversion.viaversion.api.type.Types;
+import com.viaversion.viaversion.api.type.types.version.Types1_21_4;
+import com.viaversion.viaversion.api.type.types.version.Types1_21_5;
+import com.viaversion.viaversion.protocols.v1_20_5to1_21.packet.ClientboundConfigurationPackets1_21;
+import com.viaversion.viaversion.protocols.v1_21_4to1_21_5.packet.ClientboundPacket1_21_5;
+import com.viaversion.viaversion.protocols.v1_21_4to1_21_5.packet.ClientboundPackets1_21_5;
+import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPackets1_21_2;
+import com.viaversion.viaversion.rewriter.RegistryDataRewriter;
+import com.viaversion.viaversion.util.Key;
+import java.util.Set;
+import java.util.UUID;
+
+public final class EntityPacketRewriter1_21_5 extends EntityRewriter<ClientboundPacket1_21_5, Protocol1_21_5To1_21_4> {
+
+    private static final Set<String> NEW_REGISTRIES = Set.of("pig_variant", "cow_variant", "frog_variant", "cat_variant",
+        "chicken_variant", "test_environment", "test_instance", "wolf_sound_variant");
+
+    public EntityPacketRewriter1_21_5(final Protocol1_21_5To1_21_4 protocol) {
+        super(protocol, Types1_21_4.ENTITY_DATA_TYPES.optionalComponentType, Types1_21_4.ENTITY_DATA_TYPES.booleanType);
+    }
+
+    @Override
+    public void registerPackets() {
+        registerSetEntityData(ClientboundPackets1_21_5.SET_ENTITY_DATA, Types1_21_5.ENTITY_DATA_LIST, Types1_21_4.ENTITY_DATA_LIST);
+        registerRemoveEntities(ClientboundPackets1_21_5.REMOVE_ENTITIES);
+
+        protocol.appendClientbound(ClientboundPackets1_21_5.ADD_ENTITY, wrapper -> {
+            final int entityId = wrapper.passthrough(Types.VAR_INT);
+
+            final UUID uuid = wrapper.read(Types.UUID);
+            final int entityType = wrapper.read(Types.VAR_INT);
+            if (entityType != EntityTypes1_21_5.EXPERIENCE_ORB.getId()) {
+                wrapper.write(Types.UUID, uuid);
+                wrapper.write(Types.VAR_INT, entityType);
+                wrapper.passthrough(Types.DOUBLE); // X
+                wrapper.passthrough(Types.DOUBLE); // Y
+                wrapper.passthrough(Types.DOUBLE); // Z
+                wrapper.passthrough(Types.BYTE); // Pitch
+                wrapper.passthrough(Types.BYTE); // Yaw
+                wrapper.passthrough(Types.BYTE); // Head yaw
+                wrapper.passthrough(Types.VAR_INT); // Data
+                getSpawnTrackerWithDataHandler1_19(EntityTypes1_21_5.FALLING_BLOCK).handle(wrapper);
+                return;
+            }
+
+            tracker(wrapper.user()).addEntity(entityId, EntityTypes1_21_5.EXPERIENCE_ORB);
+
+            // Back to its own special packet
+            wrapper.setPacketType(ClientboundPackets1_21_2.ADD_EXPERIENCE_ORB);
+            wrapper.passthrough(Types.DOUBLE); // X
+            wrapper.passthrough(Types.DOUBLE); // Y
+            wrapper.passthrough(Types.DOUBLE); // Z
+            wrapper.read(Types.BYTE); // Pitch
+            wrapper.read(Types.BYTE); // Yaw
+            wrapper.read(Types.BYTE); // Head yaw
+
+            final int data = wrapper.read(Types.VAR_INT);
+            wrapper.write(Types.SHORT, (short) data);
+
+            final short velocityX = wrapper.read(Types.SHORT);
+            final short velocityY = wrapper.read(Types.SHORT);
+            final short velocityZ = wrapper.read(Types.SHORT);
+            if (velocityX != 0 || velocityY != 0 || velocityZ != 0) {
+                // Send movement separately
+                final PacketWrapper motionPacket = wrapper.create(ClientboundPackets1_21_2.SET_ENTITY_MOTION);
+                motionPacket.write(Types.VAR_INT, entityId);
+                motionPacket.write(Types.SHORT, velocityX);
+                motionPacket.write(Types.SHORT, velocityY);
+                motionPacket.write(Types.SHORT, velocityZ);
+                wrapper.send(Protocol1_21_5To1_21_4.class);
+                motionPacket.send(Protocol1_21_5To1_21_4.class);
+                wrapper.cancel();
+            }
+        });
+
+        final RegistryDataRewriter registryDataRewriter = new RegistryDataRewriter(protocol) {
+            @Override
+            public RegistryEntry[] handle(final UserConnection connection, final String key, final RegistryEntry[] entries) {
+                final boolean trimPatternRegistry = key.equals("trim_pattern");
+                if (trimPatternRegistry || key.equals("trim_material")) {
+                    updateTrim(entries, trimPatternRegistry ? "template_item" : "ingredient");
+                    return super.handle(connection, key, entries);
+                }
+                if (!key.equals("wolf_variant")) {
+                    return super.handle(connection, key, entries);
+                }
+
+                for (final RegistryEntry entry : entries) {
+                    if (entry.tag() == null) {
+                        continue;
+                    }
+
+                    final CompoundTag variant = (CompoundTag) entry.tag();
+                    final CompoundTag assets = (CompoundTag) variant.remove("assets");
+                    variant.put("wild_texture", assets.get("wild"));
+                    variant.put("tame_texture", assets.get("tame"));
+                    variant.put("angry_texture", assets.get("angry"));
+                    variant.put("biomes", new ListTag<>(StringTag.class));
+                }
+                return entries;
+            }
+
+            private void updateTrim(final RegistryEntry[] entries, final String itemKey) {
+                for (final RegistryEntry entry : entries) {
+                    if (entry.tag() == null) {
+                        continue;
+                    }
+
+                    final CompoundTag tag = (CompoundTag) entry.tag();
+                    tag.putString(itemKey, "stone"); // dummy ingredient
+                }
+            }
+        };
+        protocol.registerClientbound(ClientboundConfigurationPackets1_21.REGISTRY_DATA, wrapper -> {
+            final String registryKey = Key.stripMinecraftNamespace(wrapper.passthrough(Types.STRING));
+            if (NEW_REGISTRIES.contains(registryKey)) {
+                wrapper.cancel();
+                return;
+            }
+
+            final RegistryEntry[] entries = wrapper.read(Types.REGISTRY_ENTRY_ARRAY);
+            wrapper.write(Types.REGISTRY_ENTRY_ARRAY, registryDataRewriter.handle(wrapper.user(), registryKey, entries));
+        });
+
+        protocol.registerClientbound(ClientboundPackets1_21_5.LOGIN, wrapper -> {
+            final int entityId = wrapper.passthrough(Types.INT); // Entity id
+            wrapper.passthrough(Types.BOOLEAN); // Hardcore
+            wrapper.passthrough(Types.STRING_ARRAY); // World List
+            wrapper.passthrough(Types.VAR_INT); // Max players
+            wrapper.passthrough(Types.VAR_INT); // View distance
+            wrapper.passthrough(Types.VAR_INT); // Simulation distance
+            wrapper.passthrough(Types.BOOLEAN); // Reduced debug info
+            wrapper.passthrough(Types.BOOLEAN); // Show death screen
+            wrapper.passthrough(Types.BOOLEAN); // Limited crafting
+            final int dimensionId = wrapper.passthrough(Types.VAR_INT);
+            final String world = wrapper.passthrough(Types.STRING);
+            trackWorldDataByKey1_20_5(wrapper.user(), dimensionId, world);
+            trackPlayer(wrapper.user(), entityId);
+        });
+
+        protocol.registerClientbound(ClientboundPackets1_21_5.RESPAWN, wrapper -> {
+            final int dimensionId = wrapper.passthrough(Types.VAR_INT);
+            final String world = wrapper.passthrough(Types.STRING);
+            trackWorldDataByKey1_20_5(wrapper.user(), dimensionId, world);
+        });
+
+        protocol.registerClientbound(ClientboundPackets1_21_5.SET_PLAYER_TEAM, wrapper -> {
+            wrapper.passthrough(Types.STRING); // Team Name
+            final byte action = wrapper.passthrough(Types.BYTE); // Mode
+            if (action == 0 || action == 2) {
+                wrapper.passthrough(Types.TAG); // Display Name
+                wrapper.passthrough(Types.BYTE); // Flags
+
+                final int nametagVisibility = wrapper.read(Types.VAR_INT);
+                final int collisionRule = wrapper.read(Types.VAR_INT);
+                wrapper.write(Types.STRING, visibility(nametagVisibility));
+                wrapper.write(Types.STRING, collision(collisionRule));
+
+                wrapper.passthrough(Types.VAR_INT); // Color
+                wrapper.passthrough(Types.TAG); // Prefix
+                wrapper.passthrough(Types.TAG); // Suffix
+            }
+        });
+    }
+
+    private String visibility(final int id) {
+        return switch (id) {
+            case 0 -> "always";
+            case 1 -> "never";
+            case 2 -> "hideForOtherTeams";
+            case 3 -> "hideForOwnTeam";
+            default -> "always";
+        };
+    }
+
+    private String collision(final int id) {
+        return switch (id) {
+            case 0 -> "always";
+            case 1 -> "never";
+            case 2 -> "pushOtherTeams";
+            case 3 -> "pushOwnTeam";
+            default -> "always";
+        };
+    }
+
+    @Override
+    protected void registerRewrites() {
+        filter().handler((event, data) -> {
+            final int id = data.dataType().typeId();
+            if (id == Types1_21_5.ENTITY_DATA_TYPES.wolfVariantType.typeId()) {
+                final int type = data.value();
+                final Holder<WolfVariant> variant = Holder.of(type);
+                data.setTypeAndValue(Types1_21_4.ENTITY_DATA_TYPES.wolfVariantType, variant);
+                return;
+            }
+
+            int mappedId = id;
+            if (id == Types1_21_5.ENTITY_DATA_TYPES.cowVariantType.typeId()
+                || id == Types1_21_5.ENTITY_DATA_TYPES.pigVariantType.typeId()
+                || id == Types1_21_5.ENTITY_DATA_TYPES.chickenVariantType.typeId()
+                || id == Types1_21_5.ENTITY_DATA_TYPES.wolfSoundVariantType.typeId()) {
+                event.cancel();
+                return;
+            } else if (id > Types1_21_5.ENTITY_DATA_TYPES.chickenVariantType.typeId()) {
+                mappedId -= 4;
+            } else if (id > Types1_21_5.ENTITY_DATA_TYPES.pigVariantType.typeId()) {
+                mappedId -= 3;
+            } else if (id > Types1_21_5.ENTITY_DATA_TYPES.wolfSoundVariantType.typeId()) {
+                mappedId -= 2;
+            } else if (id > Types1_21_5.ENTITY_DATA_TYPES.cowVariantType.typeId()) {
+                mappedId -= 1;
+            }
+            data.setDataType(Types1_21_4.ENTITY_DATA_TYPES.byId(mappedId));
+        });
+
+        registerEntityDataTypeHandler1_20_3(
+            Types1_21_4.ENTITY_DATA_TYPES.itemType,
+            Types1_21_4.ENTITY_DATA_TYPES.blockStateType,
+            Types1_21_4.ENTITY_DATA_TYPES.optionalBlockStateType,
+            Types1_21_4.ENTITY_DATA_TYPES.particleType,
+            Types1_21_4.ENTITY_DATA_TYPES.particlesType,
+            Types1_21_4.ENTITY_DATA_TYPES.componentType,
+            Types1_21_4.ENTITY_DATA_TYPES.optionalComponentType
+        );
+
+        filter().type(EntityTypes1_21_5.ABSTRACT_MINECART).addIndex(13); // Custom display
+        filter().type(EntityTypes1_21_5.ABSTRACT_MINECART).index(11).handler((event, data) -> {
+            final int state = (int) data.getValue();
+            final int mappedBlockState = protocol.getMappingData().getNewBlockStateId(state);
+            data.setTypeAndValue(Types1_21_5.ENTITY_DATA_TYPES.varIntType, mappedBlockState);
+            event.createExtraData(new EntityData(13, Types1_21_4.ENTITY_DATA_TYPES.booleanType, true));
+        });
+
+        filter().type(EntityTypes1_21_5.MOOSHROOM).index(17).handler(((event, data) -> {
+            final int typeId = data.value();
+            final String typeName = typeId == 0 ? "red" : "brown";
+            data.setTypeAndValue(Types1_21_5.ENTITY_DATA_TYPES.stringType, typeName);
+        }));
+
+        filter().type(EntityTypes1_21_5.ABSTRACT_HORSE).index(17).handler((event, data) -> {
+            // Store data for later
+            final TrackedEntity entity = event.trackedEntity();
+            if (entity.hasData()) {
+                final HorseDataStorage horseDataStorage = entity.data().get(HorseDataStorage.class);
+                if (horseDataStorage != null && horseDataStorage.saddled()) {
+                    entity.data().put(new HorseDataStorage(data.value(), true));
+                    return;
+                }
+            }
+            entity.data().put(new HorseDataStorage(data.value(), false));
+        });
+
+        filter().type(EntityTypes1_21_5.CHICKEN).cancel(17); // Chicken variant
+        filter().type(EntityTypes1_21_5.COW).cancel(17); // Cow variant
+        filter().type(EntityTypes1_21_5.PIG).cancel(19); // Pig variant
+        filter().type(EntityTypes1_21_5.WOLF).cancel(23); // Sound variant
+        filter().type(EntityTypes1_21_5.EXPERIENCE_ORB).cancel(8); // Value
+
+        filter().type(EntityTypes1_21_5.DOLPHIN).addIndex(17); // Treasure pos
+        filter().type(EntityTypes1_21_5.TURTLE).addIndex(17); // Home pos
+
+        // Saddled
+        filter().type(EntityTypes1_21_5.PIG).addIndex(17);
+        filter().type(EntityTypes1_21_5.STRIDER).addIndex(19);
+
+    }
+
+    @Override
+    public void onMappingDataLoaded() {
+        mapTypes();
+    }
+
+    @Override
+    public EntityType typeFromId(final int type) {
+        return EntityTypes1_21_5.getTypeFromId(type);
+    }
+}

common/src/main/java/com/viaversion/viabackwards/protocol/v1_21_5to1_21_4/storage/HorseDataStorage.java

@@ -0,0 +1,21 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2025 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.v1_21_5to1_21_4.storage;
+
+public record HorseDataStorage(byte data, boolean saddled) {
+}

common/src/main/java/com/viaversion/viabackwards/protocol/v1_21to1_20_5/Protocol1_21To1_20_5.java

@@ -20,7 +20,7 @@ package com.viaversion.viabackwards.protocol.v1_21to1_20_5;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
 import com.viaversion.viabackwards.api.data.BackwardsMappingData;
 import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_21to1_20_5.rewriter.BlockItemPacketRewriter1_21;
 import com.viaversion.viabackwards.protocol.v1_21to1_20_5.rewriter.ComponentRewriter1_21;
 import com.viaversion.viabackwards.protocol.v1_21to1_20_5.rewriter.EntityPacketRewriter1_21;
@@ -60,7 +60,7 @@ public final class Protocol1_21To1_20_5 extends BackwardsProtocol<ClientboundPac
     private final EntityPacketRewriter1_21 entityRewriter = new EntityPacketRewriter1_21(this);
     private final BlockItemPacketRewriter1_21 itemRewriter = new BlockItemPacketRewriter1_21(this);
     private final ParticleRewriter<ClientboundPacket1_21> particleRewriter = new ParticleRewriter<>(this, Types1_21.PARTICLE, Types1_20_5.PARTICLE);
-    private final TranslatableRewriter<ClientboundPacket1_21> translatableRewriter = new ComponentRewriter1_21(this);
+    private final JsonNBTComponentRewriter<ClientboundPacket1_21> translatableRewriter = new ComponentRewriter1_21(this);
     private final TagRewriter<ClientboundPacket1_21> tagRewriter = new TagRewriter<>(this);
 
     public Protocol1_21To1_20_5() {
@@ -219,7 +219,7 @@ public final class Protocol1_21To1_20_5 extends BackwardsProtocol<ClientboundPac
     }
 
     @Override
-    public TranslatableRewriter<ClientboundPacket1_21> getComponentRewriter() {
+    public JsonNBTComponentRewriter<ClientboundPacket1_21> getComponentRewriter() {
         return translatableRewriter;
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_21to1_20_5/rewriter/BlockItemPacketRewriter1_21.java

@@ -29,6 +29,7 @@ import com.viaversion.viabackwards.protocol.v1_21to1_20_5.storage.EnchantmentsPa
 import com.viaversion.viabackwards.protocol.v1_21to1_20_5.storage.OpenScreenStorage;
 import com.viaversion.viabackwards.protocol.v1_21to1_20_5.storage.PlayerRotationStorage;
 import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.minecraft.EitherHolder;
 import com.viaversion.viaversion.api.minecraft.Holder;
 import com.viaversion.viaversion.api.minecraft.SoundEvent;
 import com.viaversion.viaversion.api.minecraft.data.StructuredDataContainer;
@@ -41,7 +42,7 @@ import com.viaversion.viaversion.api.type.types.chunk.ChunkType1_20_2;
 import com.viaversion.viaversion.api.type.types.version.Types1_20_5;
 import com.viaversion.viaversion.api.type.types.version.Types1_21;
 import com.viaversion.viaversion.libs.fastutil.ints.Int2IntMap;
-import com.viaversion.viaversion.libs.mcstructs.core.TextFormatting;
+import com.viaversion.viaversion.libs.mcstructs.text.TextFormatting;
 import com.viaversion.viaversion.libs.mcstructs.text.components.StringComponent;
 import com.viaversion.viaversion.libs.mcstructs.text.components.TranslationComponent;
 import com.viaversion.viaversion.protocols.v1_20_2to1_20_3.rewriter.RecipeRewriter1_20_3;
@@ -52,7 +53,6 @@ import com.viaversion.viaversion.protocols.v1_20_5to1_21.packet.ClientboundPacke
 import com.viaversion.viaversion.protocols.v1_20_5to1_21.packet.ClientboundPackets1_21;
 import com.viaversion.viaversion.rewriter.BlockRewriter;
 import com.viaversion.viaversion.rewriter.IdRewriteFunction;
-import com.viaversion.viaversion.util.Either;
 import com.viaversion.viaversion.util.SerializerVersion;
 import java.util.ArrayList;
 import java.util.List;
@@ -185,8 +185,8 @@ public final class BlockItemPacketRewriter1_21 extends BackwardsStructuredItemRe
 
             return SerializerVersion.V1_20_5.toTag(component);
         };
-        enchantmentRewriter.rewriteEnchantmentsToClient(data, StructuredDataKey.ENCHANTMENTS, idRewriteFunction, descriptionSupplier, false);
-        enchantmentRewriter.rewriteEnchantmentsToClient(data, StructuredDataKey.STORED_ENCHANTMENTS, idRewriteFunction, descriptionSupplier, true);
+        enchantmentRewriter.rewriteEnchantmentsToClient(data, StructuredDataKey.ENCHANTMENTS1_20_5, idRewriteFunction, descriptionSupplier, false);
+        enchantmentRewriter.rewriteEnchantmentsToClient(data, StructuredDataKey.STORED_ENCHANTMENTS1_20_5, idRewriteFunction, descriptionSupplier, true);
 
         final int identifier = item.identifier();
 
@@ -218,8 +218,8 @@ public final class BlockItemPacketRewriter1_21 extends BackwardsStructuredItemRe
 
         // Rewrite enchantments
         final EnchantmentsPaintingsStorage storage = connection.get(EnchantmentsPaintingsStorage.class);
-        rewriteEnchantmentToServer(storage, item, StructuredDataKey.ENCHANTMENTS);
-        rewriteEnchantmentToServer(storage, item, StructuredDataKey.STORED_ENCHANTMENTS);
+        rewriteEnchantmentToServer(storage, item, StructuredDataKey.ENCHANTMENTS1_20_5);
+        rewriteEnchantmentToServer(storage, item, StructuredDataKey.STORED_ENCHANTMENTS1_20_5);
 
         // Restore originals if present
         enchantmentRewriter.handleToServer(item);
@@ -274,14 +274,14 @@ public final class BlockItemPacketRewriter1_21 extends BackwardsStructuredItemRe
         final StructuredDataContainer data = item.dataContainer();
         data.setIdLookup(protocol, true);
 
-        final JukeboxPlayable jukeboxPlayable = data.get(StructuredDataKey.JUKEBOX_PLAYABLE);
+        final JukeboxPlayable jukeboxPlayable = data.get(StructuredDataKey.JUKEBOX_PLAYABLE1_21);
         if (jukeboxPlayable == null) {
             return;
         }
 
         final CompoundTag tag = new CompoundTag();
-        if (jukeboxPlayable.song().isLeft()) {
-            final Holder<JukeboxPlayable.JukeboxSong> songHolder = jukeboxPlayable.song().left();
+        if (jukeboxPlayable.song().hasHolder()) {
+            final Holder<JukeboxPlayable.JukeboxSong> songHolder = jukeboxPlayable.song().holder();
             tag.put("song", holderToTag(songHolder, (song, songTag) -> {
                 songTag.put("sound_event", holderToTag(song.soundEvent(), (soundEvent, soundEventTag) -> {
                     soundEventTag.putString("identifier", soundEvent.identifier());
@@ -294,7 +294,7 @@ public final class BlockItemPacketRewriter1_21 extends BackwardsStructuredItemRe
                 songTag.putInt("comparator_output", song.comparatorOutput());
             }));
         } else {
-            tag.putString("song_identifier", jukeboxPlayable.song().right());
+            tag.putString("song_identifier", jukeboxPlayable.song().key());
         }
         tag.putBoolean("show_in_tooltip", jukeboxPlayable.showInTooltip());
 
@@ -308,12 +308,12 @@ public final class BlockItemPacketRewriter1_21 extends BackwardsStructuredItemRe
             return;
         }
 
-        final Either<Holder<JukeboxPlayable.JukeboxSong>, String> song;
+        final EitherHolder<JukeboxPlayable.JukeboxSong> song;
         final String songIdentifier = tag.getString("song_identifier");
         if (songIdentifier != null) {
-            song = Either.right(tag.getString(songIdentifier));
+            song = EitherHolder.of(songIdentifier);
         } else {
-            song = Either.left(restoreHolder(tag, "song", songTag -> {
+            song = EitherHolder.of(restoreHolder(tag, "song", songTag -> {
                 final Holder<SoundEvent> soundEvent = restoreHolder(songTag, "sound_event", soundTag -> {
                     final String identifier = soundTag.getString("identifier");
                     final Float fixedRange = soundTag.contains("fixed_range") ? soundTag.getFloat("fixed_range") : null;
@@ -327,7 +327,7 @@ public final class BlockItemPacketRewriter1_21 extends BackwardsStructuredItemRe
         }
 
         final JukeboxPlayable jukeboxPlayable = new JukeboxPlayable(song, tag.getBoolean("show_in_tooltip"));
-        data.set(StructuredDataKey.JUKEBOX_PLAYABLE, jukeboxPlayable);
+        data.set(StructuredDataKey.JUKEBOX_PLAYABLE1_21, jukeboxPlayable);
         removeCustomTag(data, customData);
     }
 

common/src/main/java/com/viaversion/viabackwards/protocol/v1_21to1_20_5/rewriter/ComponentRewriter1_21.java

@@ -20,9 +20,10 @@ package com.viaversion.viabackwards.protocol.v1_21to1_20_5.rewriter;
 import com.viaversion.nbt.tag.CompoundTag;
 import com.viaversion.nbt.tag.IntArrayTag;
 import com.viaversion.nbt.tag.ListTag;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_21to1_20_5.Protocol1_21To1_20_5;
 import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.minecraft.data.StructuredDataKey;
 import com.viaversion.viaversion.protocols.v1_20_3to1_20_5.data.Attributes1_20_5;
 import com.viaversion.viaversion.protocols.v1_20_5to1_21.Protocol1_20_5To1_21;
 import com.viaversion.viaversion.protocols.v1_20_5to1_21.data.AttributeModifierMappings1_21;
@@ -33,7 +34,7 @@ import com.viaversion.viaversion.util.TagUtil;
 import com.viaversion.viaversion.util.UUIDUtil;
 import java.util.UUID;
 
-public final class ComponentRewriter1_21 extends TranslatableRewriter<ClientboundPacket1_21> {
+public final class ComponentRewriter1_21 extends JsonNBTComponentRewriter<ClientboundPacket1_21> {
 
     public ComponentRewriter1_21(final Protocol1_21To1_20_5 protocol) {
         super(protocol, ReadType.NBT);
@@ -68,7 +69,7 @@ public final class ComponentRewriter1_21 extends TranslatableRewriter<Clientboun
     protected void handleShowItem(final UserConnection connection, final CompoundTag itemTag, final CompoundTag componentsTag) {
         super.handleShowItem(connection, itemTag, componentsTag);
         if (componentsTag != null) {
-            TagUtil.removeNamespaced(componentsTag, "jukebox_playable");
+            removeDataComponents(componentsTag, StructuredDataKey.JUKEBOX_PLAYABLE1_21);
             convertAttributeModifiersComponent(componentsTag);
         }
     }

common/src/main/java/com/viaversion/viabackwards/protocol/v1_9_1to1_9/Protocol1_9_1To1_9.java

@@ -18,15 +18,12 @@
 package com.viaversion.viabackwards.protocol.v1_9_1to1_9;
 
 import com.viaversion.viabackwards.api.BackwardsProtocol;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
-import com.viaversion.viaversion.api.protocol.AbstractProtocol;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
-import com.viaversion.viaversion.api.type.Type;
 import com.viaversion.viaversion.api.type.Types;
 import com.viaversion.viaversion.protocols.v1_8to1_9.packet.ClientboundPackets1_9;
 import com.viaversion.viaversion.protocols.v1_8to1_9.packet.ServerboundPackets1_9;
-import com.viaversion.viaversion.protocols.v1_9_1to1_9_3.packet.ClientboundPackets1_9_3;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 
 public class Protocol1_9_1To1_9 extends BackwardsProtocol<ClientboundPackets1_9, ClientboundPackets1_9, ServerboundPackets1_9, ServerboundPackets1_9> {
 
@@ -66,7 +63,7 @@ public class Protocol1_9_1To1_9 extends BackwardsProtocol<ClientboundPackets1_9,
             }
         });
 
-        TranslatableRewriter<ClientboundPackets1_9> componentRewriter = new TranslatableRewriter<>(this, ComponentRewriter.ReadType.JSON);
+        JsonNBTComponentRewriter<ClientboundPackets1_9> componentRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON);
         componentRewriter.registerComponentPacket(ClientboundPackets1_9.CHAT);
     }
 }

common/src/main/java/com/viaversion/viabackwards/protocol/v1_9_3to1_9_1/Protocol1_9_3To1_9_1.java

@@ -18,7 +18,7 @@
 package com.viaversion.viabackwards.protocol.v1_9_3to1_9_1;
 
 import com.viaversion.viabackwards.api.BackwardsProtocol;
-import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.api.rewriters.text.JsonNBTComponentRewriter;
 import com.viaversion.viabackwards.protocol.v1_9_3to1_9_1.data.BlockEntity1_9_1;
 import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.api.minecraft.ClientWorld;
@@ -34,7 +34,7 @@ import com.viaversion.viaversion.protocols.v1_8to1_9.packet.ClientboundPackets1_
 import com.viaversion.viaversion.protocols.v1_8to1_9.packet.ServerboundPackets1_9;
 import com.viaversion.viaversion.protocols.v1_9_1to1_9_3.packet.ClientboundPackets1_9_3;
 import com.viaversion.viaversion.protocols.v1_9_1to1_9_3.packet.ServerboundPackets1_9_3;
-import com.viaversion.viaversion.rewriter.ComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 
 public class Protocol1_9_3To1_9_1 extends BackwardsProtocol<ClientboundPackets1_9_3, ClientboundPackets1_9, ServerboundPackets1_9_3, ServerboundPackets1_9> {
 
@@ -111,7 +111,7 @@ public class Protocol1_9_3To1_9_1 extends BackwardsProtocol<ClientboundPackets1_
             }
         });
 
-        TranslatableRewriter<ClientboundPackets1_9_3> componentRewriter = new TranslatableRewriter<>(this, ComponentRewriter.ReadType.JSON);
+        JsonNBTComponentRewriter<ClientboundPackets1_9_3> componentRewriter = new JsonNBTComponentRewriter<>(this, ComponentRewriterBase.ReadType.JSON);
         componentRewriter.registerComponentPacket(ClientboundPackets1_9_3.CHAT);
     }
 

common/src/main/java/com/viaversion/viabackwards/utils/ChatUtil.java

@@ -17,10 +17,12 @@
  */
 package com.viaversion.viabackwards.utils;
 
-import com.viaversion.viaversion.libs.mcstructs.text.ATextComponent;
 import com.viaversion.viaversion.libs.mcstructs.text.Style;
+import com.viaversion.viaversion.libs.mcstructs.text.TextComponent;
 import com.viaversion.viaversion.libs.mcstructs.text.components.TranslationComponent;
-import com.viaversion.viaversion.libs.mcstructs.text.serializer.LegacyStringDeserializer;
+import com.viaversion.viaversion.libs.mcstructs.text.stringformat.StringFormat;
+import com.viaversion.viaversion.libs.mcstructs.text.stringformat.handling.ColorHandling;
+import com.viaversion.viaversion.libs.mcstructs.text.stringformat.handling.DeserializerUnknownHandling;
 import com.viaversion.viaversion.util.SerializerVersion;
 import java.util.HashSet;
 import java.util.Objects;
@@ -43,8 +45,8 @@ public final class ChatUtil {
         }, itemData);
     }
 
-    public static String legacyToJsonString(String legacy, Consumer<ATextComponent> consumer, boolean itemData) {
-        final ATextComponent component = LegacyStringDeserializer.parse(legacy, true);
+    public static String legacyToJsonString(String legacy, Consumer<TextComponent> consumer, boolean itemData) {
+        final TextComponent component = StringFormat.vanilla().fromString(legacy, ColorHandling.RESET, DeserializerUnknownHandling.WHITE);
         consumer.accept(component);
 
         if (itemData) {

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

@@ -1,4 +1,158 @@
 {
+  "1.21.5": {
+    "argument.nbt.expected.compound": "Expected compound tag",
+    "argument.resource_selector.not_found": "No matches for selector '%s' of type '%s'",
+    "block.minecraft.bush": "Bush",
+    "block.minecraft.cactus_flower": "Cactus Flower",
+    "block.minecraft.firefly_bush": "Firefly Bush",
+    "block.minecraft.leaf_litter": "Leaf Litter",
+    "block.minecraft.short_dry_grass": "Short Dry Grass",
+    "block.minecraft.tall_dry_grass": "Tall Dry Grass",
+    "block.minecraft.test_block": "Test Block",
+    "block.minecraft.test_instance_block": "Test Instance Block",
+    "block.minecraft.tnt.disabled": "TNT explosions are disabled",
+    "block.minecraft.wildflowers": "Wildflowers",
+    "commands.test.batch.starting": "Starting environment %s batch %s",
+    "commands.test.clear.error.no_tests": "Could not find any tests to clear",
+    "commands.test.clear.success": "Cleared %s structure(s)",
+    "commands.test.coordinates.copy": "Click to copy to clipboard",
+    "commands.test.create.success": "Created test setup for test %s",
+    "commands.test.error.no_test_containing_pos": "Can't find a test instance that contains %s, %s, %s",
+    "commands.test.error.no_test_instances": "Found no test instances",
+    "commands.test.error.non_existant_test": "Test %s could not be found",
+    "commands.test.error.structure_not_found": "Test structure %s could not be found",
+    "commands.test.error.test_instance_not_found": "Test instance block entity could not be found",
+    "commands.test.error.test_instance_not_found.position": "Test instance block entity could not be found for test at %s, %s, %s",
+    "commands.test.error.too_large": "The structure size must be less than %s blocks along each axis",
+    "commands.test.locate.done": "Finished locating, found %s structure(s)",
+    "commands.test.locate.found": "Found structure at: %s (distance: %s)",
+    "commands.test.locate.started": "Started locating test structures, this might take a while...",
+    "commands.test.no_tests": "No tests to run",
+    "commands.test.relative_position": "Position relative to %s: %s",
+    "commands.test.reset.error.no_tests": "Could not find any tests to reset",
+    "commands.test.reset.success": "Reset %s structure(s)",
+    "commands.test.run.no_tests": "No tests found",
+    "commands.test.run.running": "Running %s test(s)...",
+    "commands.test.summary": "Game Test complete! %s test(s) were run",
+    "commands.test.summary.all_required_passed": "All required tests passed :)",
+    "commands.test.summary.failed": "%s required test(s) failed :(",
+    "commands.test.summary.optional_failed": "%s optional test(s) failed",
+    "gamerule.allowFireTicksAwayFromPlayer": "Tick fire away from players",
+    "gamerule.allowFireTicksAwayFromPlayer.description": "Controls whether or not fire and lava should be able to tick further than 8 chunks away from any player",
+    "gamerule.tntExplodes": "Allow TNT to be activated and to explode",
+    "item.minecraft.blue_egg": "Blue Egg",
+    "item.minecraft.brown_egg": "Brown Egg",
+    "item.minecraft.crossbow.projectile.multiple": "Projectile: %s x %s",
+    "item.minecraft.crossbow.projectile.single": "Projectile: %s",
+    "item.minecraft.firework_rocket.multiple_stars": "%s x %s",
+    "item.modifiers.saddle": "When saddled:",
+    "multiplayer.disconnect.bad_chat_index": "Detected missed or reordered chat message from server",
+    "snbt.parser.empty_key": "Key cannot be empty",
+    "snbt.parser.expected_binary_numeral": "Expected a binary number",
+    "snbt.parser.expected_decimal_numeral": "Expected a decimal number",
+    "snbt.parser.expected_float_type": "Expected a floating point number",
+    "snbt.parser.expected_hex_escape": "Expected a character literal of length %s",
+    "snbt.parser.expected_hex_numeral": "Expected a hexadecimal number",
+    "snbt.parser.expected_integer_type": "Expected an integer number",
+    "snbt.parser.expected_non_negative_number": "Expected a non-negative number",
+    "snbt.parser.expected_number_or_boolean": "Expected a number or a boolean",
+    "snbt.parser.expected_string_uuid": "Expected a string representing a valid UUID",
+    "snbt.parser.expected_unquoted_string": "Expected a valid unquoted string",
+    "snbt.parser.infinity_not_allowed": "Non-finite numbers are not allowed",
+    "snbt.parser.invalid_array_element_type": "Invalid array element type",
+    "snbt.parser.invalid_character_name": "Invalid Unicode character name",
+    "snbt.parser.invalid_codepoint": "Invalid Unicode character value: %s",
+    "snbt.parser.invalid_string_contents": "Invalid string contents",
+    "snbt.parser.invalid_unquoted_start": "Unquoted strings can't start with digits 0-9, + or -",
+    "snbt.parser.leading_zero_not_allowed": "Decimal numbers can't start with 0",
+    "snbt.parser.no_such_operation": "No such operation: %s",
+    "snbt.parser.number_parse_failure": "Failed to parse number: %s",
+    "snbt.parser.undescore_not_allowed": "Underscore characters are not allowed at the start or end of a number",
+    "structure_block.strict": "Strict Placement:",
+    "subtitles.block.deadbush.idle": "Dry sounds",
+    "subtitles.block.firefly_bush.idle": "Fireflies buzz",
+    "subtitles.block.sand.idle": "Sandy sounds",
+    "subtitles.block.sand.wind": "Windy sounds",
+    "subtitles.entity.wolf.bark": "Wolf barks",
+    "subtitles.entity.wolf.whine": "Wolf whines",
+    "test_block.error.missing": "Test structure missing %s block",
+    "test_block.error.too_many": "Too many %s blocks",
+    "test_block.invalid_timeout": "Invalid timeout (%s) - must be a positive number of ticks",
+    "test_block.message": "Message:",
+    "test_block.mode_info.accept": "Accept Mode - Accept success for (part of) a test",
+    "test_block.mode_info.fail": "Fail Mode - Fail the test",
+    "test_block.mode_info.log": "Log Mode - Log a message",
+    "test_block.mode_info.start": "Start Mode - The starting point for a test",
+    "test_block.mode.fail": "Fail",
+    "test_block.mode.log": "Log",
+    "test_block.mode.start": "Start",
+    "test_instance_block.entities": "Entities:",
+    "test_instance_block.error.no_test": "Unable to run test instance at %s, %s, %s since it has an undefined test",
+    "test_instance_block.error.no_test_structure": "Unable to run test instance at %s, %s, %s since it has no test structure",
+    "test_instance_block.error.unable_to_save": "Unable to save test structure template for test instance at %s, %s, %s",
+    "test_instance_block.invalid": "[invalid]",
+    "test_instance_block.reset_success": "Reset succeeded for test: %s",
+    "test_instance_block.rotation": "Rotation:",
+    "test_instance_block.size": "Test Structure Size",
+    "test_instance_block.starting": "Starting test %s",
+    "test_instance_block.test_id": "Test Instance ID",
+    "test_instance.action.reset": "Reset and Load",
+    "test_instance.action.run": "Load and Run",
+    "test_instance.action.save": "Save Structure",
+    "test_instance.description.batch": "Batch: %s",
+    "test_instance.description.failed": "Failed: %s",
+    "test_instance.description.function": "Function: %s",
+    "test_instance.description.invalid_id": "Invalid test ID",
+    "test_instance.description.no_test": "No such test",
+    "test_instance.description.structure": "Structure: %s",
+    "test_instance.type.block_based": "Block-Based Test",
+    "test_instance.type.function": "Built-in Function Test",
+    "test.error.block_property_mismatch": "Expected property %s to be %s, was %s",
+    "test.error.block_property_missing": "Block property missing, expected property %s to be %s",
+    "test.error.entity_property": "Entity %s failed test: %s",
+    "test.error.entity_property_details": "Entity %s failed test: %s, expected: %s, was: %s",
+    "test.error.expected_block": "Expected block %s, got %s",
+    "test.error.expected_block_tag": "Expected block in #%s, got %s",
+    "test.error.expected_container_contents": "Container should contain: %s",
+    "test.error.expected_container_contents_single": "Container should contain a single: %s",
+    "test.error.expected_empty_container": "Container should be empty",
+    "test.error.expected_entity": "Expected %s",
+    "test.error.expected_entity_around": "Expected %s to exist around %s, %s, %s",
+    "test.error.expected_entity_count": "Expected %s entities of type %s, found %s",
+    "test.error.expected_entity_data": "Expected entity data to be: %s, was: %s",
+    "test.error.expected_entity_data_predicate": "Entity data mismatch for %s",
+    "test.error.expected_entity_effect": "Expected %s to have effect %s %s",
+    "test.error.expected_entity_having": "Entity inventory should contain %s",
+    "test.error.expected_entity_holding": "Entity should be holding %s",
+    "test.error.expected_entity_in_test": "Expected %s to exist in test",
+    "test.error.expected_entity_not_touching": "Did not expect %s touching %s, %s, %s (relative: %s, %s, %s)",
+    "test.error.expected_entity_touching": "Expected %s touching %s, %s, %s (relative: %s, %s, %s)",
+    "test.error.expected_item": "Expected item of type %s",
+    "test.error.expected_items_count": "Expected %s items of type %s, found %s",
+    "test.error.fail": "Fail conditions met",
+    "test.error.invalid_block_type": "Unexpected block type found: %s",
+    "test.error.missing_block_entity": "Missing block entity",
+    "test.error.position": "%s at %s, %s, %s (relative: %s, %s, %s) on tick %s",
+    "test.error.sequence.condition_already_triggered": "Condition already triggered at %s",
+    "test.error.sequence.condition_not_triggered": "Condition not triggered",
+    "test.error.sequence.invalid_tick": "Succeeded in invalid tick: expected %s",
+    "test.error.sequence.not_completed": "Test timed out before sequence completed",
+    "test.error.set_biome": "Failed to set biome for test",
+    "test.error.spawn_failure": "Failed to create entity %s",
+    "test.error.state_not_equal": "Incorrect state. Expected %s, was %s",
+    "test.error.structure.failure": "Failed to place test structure for %s",
+    "test.error.tick": "%s on tick %s",
+    "test.error.ticking_without_structure": "Ticking test before placing structure",
+    "test.error.timeout.no_result": "Didn't succeed or fail within %s ticks",
+    "test.error.timeout.no_sequences_finished": "No sequences finished within %s ticks",
+    "test.error.too_many_entities": "Expected only one %s to exist around %s, %s, %s but found %s",
+    "test.error.unexpected_block": "Did not expect block to be %s",
+    "test.error.unexpected_entity": "Did not expect %s to exist",
+    "test.error.unexpected_item": "Did not expect item of type %s",
+    "test.error.unknown": "Unknown internal error: %s",
+    "test.error.value_not_equal": "Expected %s to be %s, was %s",
+    "test.error.wrong_block_entity": "Wrong block entity type: %s"
+  },
   "1.21.4": {
     "block.minecraft.chiseled_resin_bricks": "Chiseled Resin Bricks",
     "block.minecraft.closed_eyeblossom": "Closed Eyeblossom",

gradle.properties

@@ -1,8 +1,8 @@
-projectVersion=5.2.1
+projectVersion=5.3.2
 
 # Smile emoji
-mcVersions=1.21.4,1.21.3,1.21.2,1.21.1,1.21,1.20.6,1.20.5,1.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20, 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19, 1.18.2, 1.18.1, 1.18, 1.17.1, 1.17, 1.16.5, 1.16.4, 1.16.3, 1.16.2, 1.16.1, 1.16, 1.15.2, 1.15.1, 1.15, 1.14.4, 1.14.3, 1.14.2, 1.14.1, 1.14, 1.13.2, 1.13.1, 1.13, 1.12.2, 1.12.1, 1.12, 1.11.2, 1.11.1, 1.11, 1.10.2, 1.10.1, 1.10
-mcVersionRange=1.10-1.21.4
+mcVersions=1.21.5, 1.21.4, 1.21.3, 1.21.2, 1.21.1, 1.21, 1.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20, 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19, 1.18.2, 1.18.1, 1.18, 1.17.1, 1.17, 1.16.5, 1.16.4, 1.16.3, 1.16.2, 1.16.1, 1.16, 1.15.2, 1.15.1, 1.15, 1.14.4, 1.14.3, 1.14.2, 1.14.1, 1.14, 1.13.2, 1.13.1, 1.13, 1.12.2, 1.12.1, 1.12, 1.11.2, 1.11.1, 1.11, 1.10.2, 1.10.1, 1.10
+mcVersionRange=1.10-1.21.5
 velocityVersion=3.4
 
 org.gradle.configureondemand=true

gradle/libs.versions.toml

@@ -3,20 +3,20 @@ metadata.format.version = "1.1"
 [versions]
 
 # ViaVersion
-viaver = "5.2.1-SNAPSHOT"
+viaver = "5.3.2-SNAPSHOT"
 
 # Common provided
 netty = "4.0.20.Final"
 guava = "17.0"
 log4j = "2.8.1"
 
-checkerQual = "3.39.0"
+checkerQual = "3.49.1"
 
 # Platforms
 paper = "1.16.5-R0.1-SNAPSHOT"
 velocity = "3.1.1"
 fabricLoader = "0.11.6"
-viaProxy = "3.3.8-SNAPSHOT"
+viaProxy = "3.4.1-SNAPSHOT"
 
 [libraries]
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,7 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionSha256Sum=7a00d51fb93147819aab76024feece20b6b84e420694101f276be952e08bef03
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.12-bin.zip
+distributionSha256Sum=20f1b1176237254a6fc204d8434196fa11a4cfb387567519c61556e8710aed78
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

gradlew

@@ -205,7 +205,7 @@ fi
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 
 # Collect all arguments for the java command:
-#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
 #     and any embedded shellness will be escaped.
 #   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
 #     treated as '${Hostname}' itself on the command line.

settings.gradle.kts

@@ -14,8 +14,8 @@ dependencyResolutionManagement {
 pluginManagement {
     plugins {
         id("net.kyori.blossom") version "2.1.0"
-        id("org.jetbrains.gradle.plugin.idea-ext") version "1.1.9"
-        id("com.gradleup.shadow") version "8.3.5"
+        id("org.jetbrains.gradle.plugin.idea-ext") version "1.1.10"
+        id("com.gradleup.shadow") version "8.3.6"
     }
 }