5.9.0 Release

Fixes #4912

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
       with:
         persist-credentials: false
     - name: Set up Gradle
-      uses: gradle/actions/setup-gradle@f29f5a9d7b09a7c6b29859002d29d24e1674c884 # 5.0.1
+      uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # 6.0.1
     - name: Set up JDK 17
       uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # 5.2.0
       with:
@@ -27,7 +27,7 @@ jobs:
     - name: Upload Artifacts to GitHub
       # Only upload on the preview repository as there is no CI job for it.
       if: ${{ github.repository == 'ViaVersion/ViaVersionDev' && github.ref_name == 'preview' }}
-      uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # 6.0.0
+      uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # 7.0.0
       with:
         name: Artifacts
         path: build/libs/

.github/workflows/publish.yml

@@ -20,7 +20,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Gradle
-        uses: gradle/actions/setup-gradle@f29f5a9d7b09a7c6b29859002d29d24e1674c884 # 5.0.1
+        uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # 6.0.1
       - name: Set up JDK 17
         uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # 5.2.0
         with:

.gitignore

@@ -19,6 +19,8 @@ classes/
 *.ipr
 *.iws
 
+benchmark/
+
 # VSCode
 
 .settings/

api/src/main/java-templates/com/viaversion/viaversion/util/VersionInfo.java

@@ -1,6 +1,6 @@
 /*
  * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
- * Copyright (C) 2016-2025 ViaVersion and contributors
+ * Copyright (C) 2016-2026 ViaVersion and contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal

api/src/main/java/com/viaversion/viaversion/api/command/ViaVersionCommand.java

@@ -37,6 +37,7 @@ public interface ViaVersionCommand {
     /**
      * Removes a subcommand by name, can be used to unload default subcommands which are not supported
      * on the platform.
+     *
      * @param name Subcommand name
      */
     void removeSubCommand(String name);

api/src/main/java/com/viaversion/viaversion/api/data/FullIdentityMappings.java

@@ -0,0 +1,123 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2026 ViaVersion and contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package com.viaversion.viaversion.api.data;
+
+import com.google.common.base.Preconditions;
+import com.viaversion.viaversion.api.data.MappingDataLoader.IdentifiersPair;
+import com.viaversion.viaversion.util.Key;
+import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+public class FullIdentityMappings implements FullMappings {
+    private static final String[] EMPTY_ARRAY = new String[0];
+    private final Object2IntMap<String> stringToId;
+    private final String[] idToString;
+    private final Mappings mappings;
+
+    public FullIdentityMappings(final IdentifiersPair identifiersPair, final Mappings mappings) {
+        Preconditions.checkNotNull(mappings, "Mappings cannot be null");
+        this.mappings = mappings;
+        this.stringToId = FullMappingsBase.toInverseMap(identifiersPair.unmapped());
+        this.idToString = identifiersPair.unmapped().toArray(EMPTY_ARRAY);
+    }
+
+    private FullIdentityMappings(final Object2IntMap<String> stringToId, final String[] idToString, final Mappings mappings) {
+        this.stringToId = stringToId;
+        this.idToString = idToString;
+        this.mappings = mappings;
+    }
+
+    @Override
+    public int id(final String identifier) {
+        return stringToId.getInt(Key.stripMinecraftNamespace(identifier));
+    }
+
+    @Override
+    public int mappedId(final String mappedIdentifier) {
+        return id(mappedIdentifier);
+    }
+
+    @Override
+    public String identifier(final int id) {
+        if (id < 0 || id >= idToString.length) {
+            return null;
+        }
+        final String identifier = idToString[id];
+        return Key.namespaced(identifier);
+    }
+
+    @Override
+    public @Nullable String identifier(final String mappedIdentifier) {
+        final int mappedId = mappedId(mappedIdentifier);
+        if (mappedId == -1) {
+            return null;
+        }
+        final int id = mappings.inverse().getNewId(mappedId);
+        return id != -1 ? identifier(id) : null;
+    }
+
+    @Override
+    public @Nullable String mappedIdentifier(final int mappedId) {
+        return identifier(mappedId);
+    }
+
+    @Override
+    public @Nullable String mappedIdentifier(final String identifier) {
+        return identifier(identifier);
+    }
+
+    @Override
+    public int getNewId(int id) {
+        return mappings.getNewId(id);
+    }
+
+    @Override
+    public void setNewId(int id, int mappedId) {
+        mappings.setNewId(id, mappedId);
+    }
+
+    @Override
+    public int size() {
+        return mappings.size();
+    }
+
+    @Override
+    public int mappedSize() {
+        return mappings.mappedSize();
+    }
+
+    @Override
+    public boolean isIdentity() {
+        return true;
+    }
+
+    @Override
+    public boolean isIntIdIdentity() {
+        return true;
+    }
+
+    @Override
+    public FullMappings inverse() {
+        return new FullIdentityMappings(stringToId, idToString, mappings.inverse());
+    }
+}

api/src/main/java/com/viaversion/viaversion/api/data/FullMappings.java

@@ -77,6 +77,14 @@ public interface FullMappings extends BiMappings {
      */
     @Nullable String mappedIdentifier(String identifier);
 
+    /**
+     * Returns whether the int id mappings are identity mappings.
+     *
+     * @return whether the int id mappings are identity mappings
+     * @see #isIdentity()
+     */
+    boolean isIntIdIdentity();
+
     @Override
     FullMappings inverse();
 }

api/src/main/java/com/viaversion/viaversion/api/data/FullMappingsBase.java

@@ -23,6 +23,7 @@
 package com.viaversion.viaversion.api.data;
 
 import com.google.common.base.Preconditions;
+import com.viaversion.viaversion.api.data.MappingDataLoader.IdentifiersPair;
 import com.viaversion.viaversion.util.Key;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
 import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
@@ -37,13 +38,13 @@ public class FullMappingsBase implements FullMappings {
     private final String[] mappedIdToString;
     private final Mappings mappings;
 
-    public FullMappingsBase(final List<String> unmappedIdentifiers, final List<String> mappedIdentifiers, final Mappings mappings) {
+    public FullMappingsBase(final IdentifiersPair identifiersPair, final Mappings mappings) {
         Preconditions.checkNotNull(mappings, "Mappings cannot be null");
         this.mappings = mappings;
-        this.stringToId = toInverseMap(unmappedIdentifiers);
-        this.mappedStringToId = toInverseMap(mappedIdentifiers);
-        this.idToString = unmappedIdentifiers.toArray(EMPTY_ARRAY);
-        this.mappedIdToString = mappedIdentifiers.toArray(EMPTY_ARRAY);
+        this.stringToId = toInverseMap(identifiersPair.unmapped());
+        this.idToString = identifiersPair.unmapped().toArray(EMPTY_ARRAY);
+        this.mappedStringToId = toInverseMap(identifiersPair.mapped());
+        this.mappedIdToString = identifiersPair.mapped().toArray(EMPTY_ARRAY);
     }
 
     private FullMappingsBase(final Object2IntMap<String> stringToId, final Object2IntMap<String> mappedStringToId, final String[] idToString, final String[] mappedIdToString, final Mappings mappings) {
@@ -54,7 +55,11 @@ public class FullMappingsBase implements FullMappings {
         this.mappings = mappings;
     }
 
-    private static Object2IntMap<String> toInverseMap(final List<String> list) {
+    public static FullMappings of(final IdentifiersPair identifiersPair, final Mappings mappings) {
+        return mappings.isIdentity() && identifiersPair.identity() ? new FullIdentityMappings(identifiersPair, mappings) : new FullMappingsBase(identifiersPair, mappings);
+    }
+
+    static Object2IntMap<String> toInverseMap(final List<String> list) {
         final Object2IntMap<String> map = new Object2IntOpenHashMap<>(list.size());
         map.defaultReturnValue(-1);
         for (int i = 0; i < list.size(); i++) {
@@ -135,6 +140,11 @@ public class FullMappingsBase implements FullMappings {
         return mappings.mappedSize();
     }
 
+    @Override
+    public boolean isIntIdIdentity() {
+        return mappings.isIdentity();
+    }
+
     @Override
     public FullMappings inverse() {
         return new FullMappingsBase(mappedStringToId, stringToId, mappedIdToString, idToString, mappings.inverse());

api/src/main/java/com/viaversion/viaversion/api/data/IdentityMappings.java

@@ -38,4 +38,9 @@ public record IdentityMappings(int size, int mappedSize) implements Mappings {
     public Mappings inverse() {
         return new IdentityMappings(mappedSize, size);
     }
+
+    @Override
+    public boolean isIdentity() {
+        return true;
+    }
 }

api/src/main/java/com/viaversion/viaversion/api/data/MappingDataBase.java

@@ -26,6 +26,7 @@ import com.viaversion.nbt.tag.CompoundTag;
 import com.viaversion.nbt.tag.IntArrayTag;
 import com.viaversion.nbt.tag.Tag;
 import com.viaversion.viaversion.api.Via;
+import com.viaversion.viaversion.api.data.MappingDataLoader.IdentifiersPair;
 import com.viaversion.viaversion.api.minecraft.RegistryType;
 import com.viaversion.viaversion.api.minecraft.TagData;
 import it.unimi.dsi.fastutil.ints.IntOpenHashSet;
@@ -96,14 +97,13 @@ public class MappingDataBase implements MappingData {
             attributeMappings = loadFullMappings(data, unmappedIdentifierData, mappedIdentifierData, "attributes");
             blockEntityMappings = loadFullMappings(data, unmappedIdentifierData, mappedIdentifierData, "blockentities");
 
-            final List<String> unmappedParticles = identifiersFromGlobalIds(unmappedIdentifierData, "particles");
-            final List<String> mappedParticles = identifiersFromGlobalIds(mappedIdentifierData, "particles");
-            if (unmappedParticles != null && mappedParticles != null) {
+            final IdentifiersPair particleIdentifiers = identifiersFromGlobalIds(unmappedIdentifierData, mappedIdentifierData, "particles");
+            if (particleIdentifiers != null) {
                 Mappings particleMappings = loadMappings(data, "particles");
                 if (particleMappings == null) {
-                    particleMappings = new IdentityMappings(unmappedParticles.size(), mappedParticles.size());
+                    particleMappings = new IdentityMappings(particleIdentifiers.unmapped().size(), particleIdentifiers.mapped().size());
                 }
-                this.particleMappings = new ParticleMappings(unmappedParticles, mappedParticles, particleMappings);
+                this.particleMappings = new ParticleMappings(particleIdentifiers, particleMappings);
             }
         } else {
             // Might not have identifiers in older versions
@@ -132,6 +132,10 @@ public class MappingDataBase implements MappingData {
         return MappingDataLoader.INSTANCE.identifiersFromGlobalIds(mappingsTag, key);
     }
 
+    protected @Nullable IdentifiersPair identifiersFromGlobalIds(final CompoundTag unmappedTag, final CompoundTag mappedTag, final String key) {
+        return MappingDataLoader.INSTANCE.identifiersFromGlobalIds(unmappedTag, mappedTag, key);
+    }
+
     protected @Nullable CompoundTag readMappingsFile(final String name) {
         return MappingDataLoader.INSTANCE.loadNBT(name);
     }
@@ -158,14 +162,12 @@ public class MappingDataBase implements MappingData {
             return null;
         }
 
-        final List<String> unmappedIdentifiers = identifiersFromGlobalIds(unmappedIdentifiersTag, key);
-        final List<String> mappedIdentifiers = identifiersFromGlobalIds(mappedIdentifiersTag, key);
+        final IdentifiersPair identifiersPair = identifiersFromGlobalIds(unmappedIdentifiersTag, mappedIdentifiersTag, key);
         Mappings mappings = loadBiMappings(data, key); // Load as bi-mappings to keep the inverse cached
         if (mappings == null) {
-            mappings = new IdentityMappings(unmappedIdentifiers.size(), mappedIdentifiers.size());
+            mappings = new IdentityMappings(identifiersPair.unmapped().size(), identifiersPair.mapped().size());
         }
-
-        return new FullMappingsBase(unmappedIdentifiers, mappedIdentifiers, mappings);
+        return FullMappingsBase.of(identifiersPair, mappings);
     }
 
     protected @Nullable BiMappings loadBiMappings(final CompoundTag data, final String key) {

api/src/main/java/com/viaversion/viaversion/api/data/MappingDataLoader.java

@@ -81,8 +81,9 @@ public class MappingDataLoader {
         for (final Map.Entry<String, Tag> entry : globalIdentifiers.entrySet()) {
             //noinspection unchecked
             final ListTag<StringTag> value = (ListTag<StringTag>) entry.getValue();
-            final String[] array = new String[value.size()];
-            for (int i = 0, size = value.size(); i < size; i++) {
+            final int size = value.size();
+            final String[] array = new String[size];
+            for (int i = 0; i < size; i++) {
                 array[i] = value.get(i).getValue();
             }
             GLOBAL_IDENTIFIER_INDEXES.put(entry.getKey(), array);
@@ -272,13 +273,60 @@ public class MappingDataLoader {
 
     public @Nullable List<String> identifiersFromGlobalIds(final CompoundTag mappingsTag, final String key) {
         final Mappings mappings = loadMappings(mappingsTag, key);
-        if (mappings == null) {
+        return mappings != null ? identifiers(mappings, key) : null;
+
+    }
+
+    /**
+     * Returns a pair of identifier lists, also keeping track of whether the two lists are equal.
+     *
+     * @param unmappedTag unmapped mappings tag
+     * @param mappedTag   mapped mappings tag
+     * @param key         mappings key
+     * @return pair of identifier lists
+     */
+    public @Nullable IdentifiersPair identifiersFromGlobalIds(final CompoundTag unmappedTag, final CompoundTag mappedTag, final String key) {
+        final Mappings unmapped = loadMappings(unmappedTag, key);
+        if (unmapped == null) {
             return null;
         }
 
+        final Mappings mapped = loadMappings(mappedTag, key);
+        if (mapped == null) {
+            return null;
+        }
+
+        final int size = unmapped.size();
+        if (size != mapped.size()) {
+            return new IdentifiersPair(identifiers(unmapped, key), identifiers(mapped, key), false);
+        }
+
+        // Small optimization to only load one array and reduce loading for full mappings
+        final List<String> unmappedIdentifiers = new ArrayList<>(size);
+        final List<String> mappedIdentifiers = new ArrayList<>(size);
+        boolean identity = true;
+        for (int i = 0; i < size; i++) {
+            final int unmappedGlobalId = unmapped.getNewId(i);
+            final int mappedGlobalId = mapped.getNewId(i);
+            final String unmappedIdentifier = identifierFromGlobalId(key, unmappedGlobalId);
+            if (unmappedGlobalId == mappedGlobalId) {
+                unmappedIdentifiers.add(unmappedIdentifier);
+                mappedIdentifiers.add(unmappedIdentifier);
+                continue;
+            }
+
+            identity = false;
+            unmappedIdentifiers.add(unmappedIdentifier);
+            mappedIdentifiers.add(identifierFromGlobalId(key, mappedGlobalId));
+        }
+        return identity ? new IdentifiersPair(unmappedIdentifiers) : new IdentifiersPair(unmappedIdentifiers, mappedIdentifiers);
+    }
+
+    private List<String> identifiers(final Mappings mappings, final String key) {
         final List<String> identifiers = new ArrayList<>(mappings.size());
         for (int i = 0; i < mappings.size(); i++) {
-            identifiers.add(identifierFromGlobalId(key, mappings.getNewId(i)));
+            final int globalId = mappings.getNewId(i);
+            identifiers.add(identifierFromGlobalId(key, globalId));
         }
         return identifiers;
     }
@@ -342,4 +390,15 @@ public class MappingDataLoader {
 
         T create(V mappings, int mappedSize);
     }
+
+    public record IdentifiersPair(List<String> unmapped, List<String> mapped, boolean identity) {
+
+        public IdentifiersPair(final List<String> unmapped, final List<String> mapped) {
+            this(unmapped, mapped, false);
+        }
+
+        public IdentifiersPair(final List<String> identifiers) {
+            this(identifiers, identifiers, true);
+        }
+    }
 }

api/src/main/java/com/viaversion/viaversion/api/data/Mappings.java

@@ -22,6 +22,8 @@
  */
 package com.viaversion.viaversion.api.data;
 
+import org.checkerframework.checker.nullness.qual.Nullable;
+
 public interface Mappings {
 
     /**
@@ -84,4 +86,40 @@ public interface Mappings {
      * @return mappings with keys and values swapped
      */
     Mappings inverse();
+
+
+    /**
+     * Returns whether the mappings are unchanged identity mappings.
+     *
+     * @return whether the mappings are unchanged identity mappings
+     */
+    default boolean isIdentity() {
+        return false;
+    }
+
+    /**
+     * Returns whether the mappings null or identity mappings.
+     *
+     * @param mappings mappings
+     * @return whether the mappings are identity mappings
+     * @see #isFullIdentity(Mappings)
+     */
+    static boolean isIntIdIdentity(@Nullable final Mappings mappings) {
+        if (mappings == null) {
+            return true;
+        }
+        return mappings instanceof FullMappings fullMappings ? fullMappings.isIntIdIdentity() : mappings.isIdentity();
+    }
+
+    /**
+     * Returns whether the mappings null or full identity mappings.
+     * Stronger than {@link #isIntIdIdentity(Mappings)}, but equal to that if not {@link FullMappings}.
+     *
+     * @param mappings mappings
+     * @return whether the mappings are full identity mappings
+     * @see #isIntIdIdentity(Mappings)
+     */
+    static boolean isFullIdentity(@Nullable final Mappings mappings) {
+        return mappings == null || mappings.isIdentity();
+    }
 }

api/src/main/java/com/viaversion/viaversion/api/data/ParticleMappings.java

@@ -22,16 +22,16 @@
  */
 package com.viaversion.viaversion.api.data;
 
+import com.viaversion.viaversion.api.data.MappingDataLoader.IdentifiersPair;
 import it.unimi.dsi.fastutil.ints.IntArrayList;
 import it.unimi.dsi.fastutil.ints.IntList;
-import java.util.List;
 
 public class ParticleMappings extends FullMappingsBase {
     private final IntList itemParticleIds = new IntArrayList(4);
     private final IntList blockParticleIds = new IntArrayList(4);
 
-    public ParticleMappings(final List<String> unmappedIdentifiers, final List<String> mappedIdentifiers, final Mappings mappings) {
-        super(unmappedIdentifiers, mappedIdentifiers, mappings);
+    public ParticleMappings(final IdentifiersPair identifiersPair, final Mappings mappings) {
+        super(identifiersPair, mappings);
         addBlockParticle("block");
         addBlockParticle("falling_dust");
         addBlockParticle("block_marker");

api/src/main/java/com/viaversion/viaversion/api/minecraft/AnimalVariant.java

@@ -31,8 +31,8 @@ import org.checkerframework.checker.nullness.qual.Nullable;
  * Represents an animal variant (e.g. for cows, pigs, chickens).
  *
  * @param modelType model type id
- * @param texture texture path
- * @param biomes biomes this variant can spawn in, if limited to specific biomes
+ * @param texture   texture path
+ * @param biomes    biomes this variant can spawn in, if limited to specific biomes
  */
 public record AnimalVariant(int modelType, String texture, @Nullable HolderSet biomes) {
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/EitherHolder.java

@@ -38,7 +38,7 @@ public interface EitherHolder<T> {
     /**
      * Returns an indirect holder via the resource key.
      *
-     * @param key  the resource key
+     * @param key the resource key
      * @param <T> the type of the value
      * @return a new holder with the given resource key
      */

api/src/main/java/com/viaversion/viaversion/api/minecraft/HolderSet.java

@@ -22,6 +22,7 @@
  */
 package com.viaversion.viaversion.api.minecraft;
 
+import com.google.common.base.Preconditions;
 import com.viaversion.nbt.tag.ListTag;
 import com.viaversion.nbt.tag.StringTag;
 import com.viaversion.nbt.tag.Tag;
@@ -40,6 +41,7 @@ public interface HolderSet {
      * @return a new holder set
      */
     static HolderSet of(final String tagKey) {
+        Preconditions.checkNotNull(tagKey);
         return new HolderSetImpl.Tag(tagKey);
     }
 
@@ -50,6 +52,7 @@ public interface HolderSet {
      * @return a new holder set
      */
     static HolderSet of(final int[] ids) {
+        Preconditions.checkNotNull(ids);
         return new HolderSetImpl.Ids(ids);
     }
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/chunks/DataPaletteImpl.java

@@ -163,7 +163,7 @@ public final class DataPaletteImpl implements DataPalette {
         }
     }
 
-    private class ByteChunkData implements ChunkData {
+    private final class ByteChunkData implements ChunkData {
         private final byte[] data;
 
         public ByteChunkData(int size) {
@@ -187,7 +187,7 @@ public final class DataPaletteImpl implements DataPalette {
         }
     }
 
-    private static class ShortChunkData implements ChunkData {
+    private static final class ShortChunkData implements ChunkData {
         private final short[] data;
 
         public ShortChunkData(byte[] data) {

api/src/main/java/com/viaversion/viaversion/api/minecraft/codec/CodecContext.java

@@ -53,7 +53,7 @@ public interface CodecContext {
          * Returns the key for a stored mapping type and its numeric id.
          *
          * @param mappingType mapping type
-         * @param id numeric id
+         * @param id          numeric id
          * @return the key
          */
         Key key(MappingData.MappingType mappingType, int id);
@@ -62,7 +62,7 @@ public interface CodecContext {
          * Returns the numeric id for a stored mapping type and its identifier.
          *
          * @param mappingType mapping type
-         * @param identifier identifier
+         * @param identifier  identifier
          * @return the numeric id, or -1 if not found
          */
         int id(MappingData.MappingType mappingType, String identifier);
@@ -75,7 +75,7 @@ public interface CodecContext {
          * Returns the key for a client-synchronized registry element.
          *
          * @param registry registry key
-         * @param id numeric id
+         * @param id       numeric id
          * @return the key
          */
         Key registryKey(String registry, int id);

api/src/main/java/com/viaversion/viaversion/api/minecraft/codec/Ops.java

@@ -81,12 +81,12 @@ public interface Ops {
         /**
          * Writes the given value or default value if the value is null.
          *
-         * @param key map key
-         * @param type type of the value
+         * @param key   map key
+         * @param type  type of the value
          * @param value the value to write, or null
-         * @param def default value to write if the value is null
+         * @param def   default value to write if the value is null
+         * @param <V>   value type
          * @return self
-         * @param <V> value type
          */
         default <V> MapSerializer write(final String key, final Type<V> type, @Nullable final V value, final V def) {
             write(Types.STRING, key, type, value != null ? value : def);
@@ -96,11 +96,11 @@ public interface Ops {
         /**
          * Writes the given value if it is not null.
          *
-         * @param key map key
-         * @param type type of the value
+         * @param key   map key
+         * @param type  type of the value
          * @param value the value to write, or null
+         * @param <V>   value type
          * @return self
-         * @param <V> value type
          */
         default <V> MapSerializer writeOptional(final String key, final Type<V> type, @Nullable final V value) {
             if (value != null) {
@@ -112,12 +112,12 @@ public interface Ops {
         /**
          * Writes the given value if it is not null and not equal to the default value.
          *
-         * @param key map key
-         * @param type type of the value
+         * @param key   map key
+         * @param type  type of the value
          * @param value the value to write, or null
-         * @param def default value to compare against
+         * @param def   default value to compare against
+         * @param <V>   value type
          * @return self
-         * @param <V> value type
          */
         default <V> MapSerializer writeOptional(final String key, final Type<V> type, @Nullable final V value, final V def) {
             if (value != null && !Objects.deepEquals(value, def)) {

api/src/main/java/com/viaversion/viaversion/api/minecraft/entities/EntityTypes1_14.java

@@ -145,13 +145,13 @@ public enum EntityTypes1_14 implements EntityType {
     SHEEP(ABSTRACT_ANIMAL),
     TURTLE(ABSTRACT_ANIMAL),
     FOX(ABSTRACT_ANIMAL),
+    OCELOT(ABSTRACT_ANIMAL),
 
     COW(ABSTRACT_ANIMAL),
     MOOSHROOM(COW),
 
     TAMABLE_ANIMAL(ABSTRACT_ANIMAL, null),
     CAT(TAMABLE_ANIMAL),
-    OCELOT(TAMABLE_ANIMAL),
     WOLF(TAMABLE_ANIMAL),
     PARROT(TAMABLE_ANIMAL),
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/entities/EntityTypes1_15.java

@@ -146,13 +146,13 @@ public enum EntityTypes1_15 implements EntityType {
     BEE(ABSTRACT_ANIMAL),
     TURTLE(ABSTRACT_ANIMAL),
     FOX(ABSTRACT_ANIMAL),
+    OCELOT(ABSTRACT_ANIMAL),
 
     COW(ABSTRACT_ANIMAL),
     MOOSHROOM(COW),
 
     TAMABLE_ANIMAL(ABSTRACT_ANIMAL, null),
     CAT(TAMABLE_ANIMAL),
-    OCELOT(TAMABLE_ANIMAL),
     WOLF(TAMABLE_ANIMAL),
     PARROT(TAMABLE_ANIMAL),
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/entities/EntityTypes1_16.java

@@ -148,13 +148,13 @@ public enum EntityTypes1_16 implements EntityType {
     FOX(ABSTRACT_ANIMAL),
     HOGLIN(ABSTRACT_ANIMAL),
     STRIDER(ABSTRACT_ANIMAL),
+    OCELOT(ABSTRACT_ANIMAL),
 
     COW(ABSTRACT_ANIMAL),
     MOOSHROOM(COW),
 
     TAMABLE_ANIMAL(ABSTRACT_ANIMAL, null),
     CAT(TAMABLE_ANIMAL),
-    OCELOT(TAMABLE_ANIMAL),
     WOLF(TAMABLE_ANIMAL),
     PARROT(TAMABLE_ANIMAL),
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/entities/EntityTypes1_16_2.java

@@ -148,13 +148,13 @@ public enum EntityTypes1_16_2 implements EntityType {
     FOX(ABSTRACT_ANIMAL),
     HOGLIN(ABSTRACT_ANIMAL),
     STRIDER(ABSTRACT_ANIMAL),
+    OCELOT(ABSTRACT_ANIMAL),
 
     COW(ABSTRACT_ANIMAL),
     MOOSHROOM(COW),
 
     TAMABLE_ANIMAL(ABSTRACT_ANIMAL, null),
     CAT(TAMABLE_ANIMAL),
-    OCELOT(TAMABLE_ANIMAL),
     WOLF(TAMABLE_ANIMAL),
     PARROT(TAMABLE_ANIMAL),
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/entities/EntityTypes1_17.java

@@ -154,13 +154,13 @@ public enum EntityTypes1_17 implements EntityType {
     GOAT(ABSTRACT_ANIMAL),
     HOGLIN(ABSTRACT_ANIMAL),
     STRIDER(ABSTRACT_ANIMAL),
+    OCELOT(ABSTRACT_ANIMAL),
 
     COW(ABSTRACT_ANIMAL),
     MOOSHROOM(COW),
 
     TAMABLE_ANIMAL(ABSTRACT_ANIMAL, null),
     CAT(TAMABLE_ANIMAL),
-    OCELOT(TAMABLE_ANIMAL),
     WOLF(TAMABLE_ANIMAL),
     PARROT(TAMABLE_ANIMAL),
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/entities/EntityTypes1_19.java

@@ -158,13 +158,13 @@ public enum EntityTypes1_19 implements EntityType {
     GOAT(ABSTRACT_ANIMAL),
     HOGLIN(ABSTRACT_ANIMAL),
     STRIDER(ABSTRACT_ANIMAL),
+    OCELOT(ABSTRACT_ANIMAL),
 
     COW(ABSTRACT_ANIMAL),
     MOOSHROOM(COW),
 
     TAMABLE_ANIMAL(ABSTRACT_ANIMAL, null),
     CAT(TAMABLE_ANIMAL),
-    OCELOT(TAMABLE_ANIMAL),
     WOLF(TAMABLE_ANIMAL),
     PARROT(TAMABLE_ANIMAL),
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/entities/EntityTypes1_19_3.java

@@ -158,13 +158,13 @@ public enum EntityTypes1_19_3 implements EntityType {
     GOAT(ABSTRACT_ANIMAL),
     HOGLIN(ABSTRACT_ANIMAL),
     STRIDER(ABSTRACT_ANIMAL),
+    OCELOT(ABSTRACT_ANIMAL),
 
     COW(ABSTRACT_ANIMAL),
     MOOSHROOM(COW),
 
     TAMABLE_ANIMAL(ABSTRACT_ANIMAL, null),
     CAT(TAMABLE_ANIMAL),
-    OCELOT(TAMABLE_ANIMAL),
     WOLF(TAMABLE_ANIMAL),
     PARROT(TAMABLE_ANIMAL),
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/entities/EntityTypes1_19_4.java

@@ -165,13 +165,13 @@ public enum EntityTypes1_19_4 implements EntityType {
     HOGLIN(ABSTRACT_ANIMAL),
     STRIDER(ABSTRACT_ANIMAL),
     SNIFFER(ABSTRACT_ANIMAL),
+    OCELOT(ABSTRACT_ANIMAL),
 
     COW(ABSTRACT_ANIMAL),
     MOOSHROOM(COW),
 
     TAMABLE_ANIMAL(ABSTRACT_ANIMAL, null),
     CAT(TAMABLE_ANIMAL),
-    OCELOT(TAMABLE_ANIMAL),
     WOLF(TAMABLE_ANIMAL),
     PARROT(TAMABLE_ANIMAL),
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/entities/EntityTypes1_20_3.java

@@ -166,13 +166,13 @@ public enum EntityTypes1_20_3 implements EntityType {
     HOGLIN(ABSTRACT_ANIMAL),
     STRIDER(ABSTRACT_ANIMAL),
     SNIFFER(ABSTRACT_ANIMAL),
+    OCELOT(ABSTRACT_ANIMAL),
 
     COW(ABSTRACT_ANIMAL),
     MOOSHROOM(COW),
 
     TAMABLE_ANIMAL(ABSTRACT_ANIMAL, null),
     CAT(TAMABLE_ANIMAL),
-    OCELOT(TAMABLE_ANIMAL),
     WOLF(TAMABLE_ANIMAL),
     PARROT(TAMABLE_ANIMAL),
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/entities/EntityTypes1_20_5.java

@@ -171,13 +171,13 @@ public enum EntityTypes1_20_5 implements EntityType {
     STRIDER(ABSTRACT_ANIMAL),
     SNIFFER(ABSTRACT_ANIMAL),
     ARMADILLO(ABSTRACT_ANIMAL),
+    OCELOT(ABSTRACT_ANIMAL),
 
     COW(ABSTRACT_ANIMAL),
     MOOSHROOM(COW),
 
     TAMABLE_ANIMAL(ABSTRACT_ANIMAL, null),
     CAT(TAMABLE_ANIMAL),
-    OCELOT(TAMABLE_ANIMAL),
     WOLF(TAMABLE_ANIMAL),
     PARROT(TAMABLE_ANIMAL),
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/entities/EntityTypes1_21_11.java

@@ -185,6 +185,7 @@ public enum EntityTypes1_21_11 implements EntityType {
     SNIFFER(ABSTRACT_ANIMAL),
     ARMADILLO(ABSTRACT_ANIMAL),
     HAPPY_GHAST(ABSTRACT_ANIMAL),
+    OCELOT(ABSTRACT_ANIMAL),
 
     ABSTRACT_COW(ABSTRACT_ANIMAL, null),
     COW(ABSTRACT_COW),
@@ -192,7 +193,6 @@ public enum EntityTypes1_21_11 implements EntityType {
 
     TAMABLE_ANIMAL(ABSTRACT_ANIMAL, null),
     CAT(TAMABLE_ANIMAL),
-    OCELOT(TAMABLE_ANIMAL),
     WOLF(TAMABLE_ANIMAL),
     PARROT(TAMABLE_ANIMAL),
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/entities/EntityTypes1_21_2.java

@@ -176,13 +176,13 @@ public enum EntityTypes1_21_2 implements EntityType {
     STRIDER(ABSTRACT_ANIMAL),
     SNIFFER(ABSTRACT_ANIMAL),
     ARMADILLO(ABSTRACT_ANIMAL),
+    OCELOT(ABSTRACT_ANIMAL),
 
     COW(ABSTRACT_ANIMAL),
     MOOSHROOM(COW),
 
     TAMABLE_ANIMAL(ABSTRACT_ANIMAL, null),
     CAT(TAMABLE_ANIMAL),
-    OCELOT(TAMABLE_ANIMAL),
     WOLF(TAMABLE_ANIMAL),
     PARROT(TAMABLE_ANIMAL),
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/entities/EntityTypes1_21_4.java

@@ -176,13 +176,13 @@ public enum EntityTypes1_21_4 implements EntityType {
     STRIDER(ABSTRACT_ANIMAL),
     SNIFFER(ABSTRACT_ANIMAL),
     ARMADILLO(ABSTRACT_ANIMAL),
+    OCELOT(ABSTRACT_ANIMAL),
 
     COW(ABSTRACT_ANIMAL),
     MOOSHROOM(COW),
 
     TAMABLE_ANIMAL(ABSTRACT_ANIMAL, null),
     CAT(TAMABLE_ANIMAL),
-    OCELOT(TAMABLE_ANIMAL),
     WOLF(TAMABLE_ANIMAL),
     PARROT(TAMABLE_ANIMAL),
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/entities/EntityTypes1_21_5.java

@@ -179,6 +179,7 @@ public enum EntityTypes1_21_5 implements EntityType {
     STRIDER(ABSTRACT_ANIMAL),
     SNIFFER(ABSTRACT_ANIMAL),
     ARMADILLO(ABSTRACT_ANIMAL),
+    OCELOT(ABSTRACT_ANIMAL),
 
     ABSTRACT_COW(ABSTRACT_ANIMAL, null),
     COW(ABSTRACT_COW),
@@ -186,7 +187,6 @@ public enum EntityTypes1_21_5 implements EntityType {
 
     TAMABLE_ANIMAL(ABSTRACT_ANIMAL, null),
     CAT(TAMABLE_ANIMAL),
-    OCELOT(TAMABLE_ANIMAL),
     WOLF(TAMABLE_ANIMAL),
     PARROT(TAMABLE_ANIMAL),
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/entities/EntityTypes1_21_6.java

@@ -180,6 +180,7 @@ public enum EntityTypes1_21_6 implements EntityType {
     SNIFFER(ABSTRACT_ANIMAL),
     ARMADILLO(ABSTRACT_ANIMAL),
     HAPPY_GHAST(ABSTRACT_ANIMAL),
+    OCELOT(ABSTRACT_ANIMAL),
 
     ABSTRACT_COW(ABSTRACT_ANIMAL, null),
     COW(ABSTRACT_COW),
@@ -187,7 +188,6 @@ public enum EntityTypes1_21_6 implements EntityType {
 
     TAMABLE_ANIMAL(ABSTRACT_ANIMAL, null),
     CAT(TAMABLE_ANIMAL),
-    OCELOT(TAMABLE_ANIMAL),
     WOLF(TAMABLE_ANIMAL),
     PARROT(TAMABLE_ANIMAL),
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/entities/EntityTypes1_21_9.java

@@ -185,6 +185,7 @@ public enum EntityTypes1_21_9 implements EntityType {
     SNIFFER(ABSTRACT_ANIMAL),
     ARMADILLO(ABSTRACT_ANIMAL),
     HAPPY_GHAST(ABSTRACT_ANIMAL),
+    OCELOT(ABSTRACT_ANIMAL),
 
     ABSTRACT_COW(ABSTRACT_ANIMAL, null),
     COW(ABSTRACT_COW),
@@ -192,7 +193,6 @@ public enum EntityTypes1_21_9 implements EntityType {
 
     TAMABLE_ANIMAL(ABSTRACT_ANIMAL, null),
     CAT(TAMABLE_ANIMAL),
-    OCELOT(TAMABLE_ANIMAL),
     WOLF(TAMABLE_ANIMAL),
     PARROT(TAMABLE_ANIMAL),
 

api/src/main/java/com/viaversion/viaversion/api/minecraft/entitydata/types/AbstractEntityDataTypes.java

@@ -43,6 +43,10 @@ public abstract class AbstractEntityDataTypes implements EntityDataTypes {
         return values;
     }
 
+    public Class<? extends EntityDataType> getDataTypeClass() {
+        return byId(0).getClass();
+    }
+
     protected EntityDataType add(final int typeId, final Type<?> type) {
         if (values[typeId] != null) {
             throw new IllegalArgumentException("Entity data type ID " + typeId + " is already registered as " + values[typeId]);

api/src/main/java/com/viaversion/viaversion/api/minecraft/item/data/AttackRange.java

@@ -56,8 +56,8 @@ public record AttackRange(float minRange, float maxRange,
         @Override
         public void write(final Ops ops, final AttackRange AttackRange) {
             ops.writeMap(map -> map
-                .writeOptional("min_range", Types.FLOAT, AttackRange.minRange, 0F)
-                .writeOptional("max_range", Types.FLOAT, AttackRange.maxRange, 3F)
+                .writeOptional("min_reach", Types.FLOAT, AttackRange.minRange, 0F)
+                .writeOptional("max_reach", Types.FLOAT, AttackRange.maxRange, 3F)
                 .writeOptional("min_creative_reach", Types.FLOAT, AttackRange.minCreativeRange, 0F)
                 .writeOptional("max_creative_reach", Types.FLOAT, AttackRange.maxCreativeRange, 5F)
                 .writeOptional("hitbox_margin", Types.FLOAT, AttackRange.hitboxMargin, 0.3F)

api/src/main/java/com/viaversion/viaversion/api/minecraft/item/data/AttributeModifiers1_21.java

@@ -37,6 +37,7 @@ import io.netty.buffer.ByteBuf;
 import it.unimi.dsi.fastutil.ints.Int2IntFunction;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Objects;
 
 public record AttributeModifiers1_21(AttributeModifier[] modifiers, boolean showInTooltip) implements Copyable, Rewritable {
 
@@ -226,7 +227,7 @@ public record AttributeModifiers1_21(AttributeModifier[] modifiers, boolean show
     }
 
     public static class Display implements Copyable {
-        public static final String[] DISPLAY_TYPES = {"default", "hidden", "override_text"};
+        public static final String[] DISPLAY_TYPES = {"default", "hidden", "override"};
         public static final Display DEFAULT = new Display(0);
         private final int id;
 
@@ -246,6 +247,17 @@ public record AttributeModifiers1_21(AttributeModifier[] modifiers, boolean show
         public Display copy() {
             return this;
         }
+
+        @Override
+        public boolean equals(final Object o) {
+            if (!(o instanceof final Display display)) return false;
+            return id == display.id;
+        }
+
+        @Override
+        public int hashCode() {
+            return id;
+        }
     }
 
     public static final class OverrideText extends Display {
@@ -271,5 +283,19 @@ public record AttributeModifiers1_21(AttributeModifier[] modifiers, boolean show
         public OverrideText copy() {
             return new OverrideText(this.component.copy());
         }
+
+        @Override
+        public boolean equals(final Object o) {
+            if (!(o instanceof final OverrideText that)) return false;
+            if (!super.equals(o)) return false;
+            return Objects.equals(component, that.component);
+        }
+
+        @Override
+        public int hashCode() {
+            int result = super.hashCode();
+            result = 31 * result + Objects.hashCode(component);
+            return result;
+        }
     }
 }

api/src/main/java/com/viaversion/viaversion/api/minecraft/item/data/ProvidesBannerPatterns.java

@@ -24,18 +24,11 @@ package com.viaversion.viaversion.api.minecraft.item.data;
 
 import com.viaversion.viaversion.api.minecraft.HolderSet;
 import com.viaversion.viaversion.api.minecraft.RegistryKey;
-import com.viaversion.viaversion.api.minecraft.codec.Ops;
 import com.viaversion.viaversion.api.type.TransformingType;
 import com.viaversion.viaversion.api.type.Type;
-import com.viaversion.viaversion.api.type.Types;
 import com.viaversion.viaversion.api.type.types.misc.HolderSetType;
 
 public record ProvidesBannerPatterns(HolderSet patterns) {
 
-    public static final Type<ProvidesBannerPatterns> TYPE = new TransformingType<>(Types.HOLDER_SET, ProvidesBannerPatterns.class, ProvidesBannerPatterns::new, ProvidesBannerPatterns::patterns) {
-        @Override
-        public void write(final Ops ops, final ProvidesBannerPatterns value) {
-            ops.writeMap(map -> map.write("items", new HolderSetType(RegistryKey.of("banner_pattern")), value.patterns));
-        }
-    };
+    public static final Type<ProvidesBannerPatterns> TYPE = TransformingType.of(new HolderSetType(RegistryKey.of("banner_pattern")), ProvidesBannerPatterns.class, ProvidesBannerPatterns::new, ProvidesBannerPatterns::patterns);
 }

api/src/main/java/com/viaversion/viaversion/api/platform/ViaPlatform.java

@@ -180,7 +180,7 @@ public interface ViaPlatform<T> {
     /**
      * Modify the server details payload before it is sent.
      * This method allows adding, changing, or removing fields from the payload.
-     * It is only called if {@link ViaVersionConfig#sendPlayerDetails()} is true.
+     * It is only called if {@link ViaVersionConfig#sendServerDetails()} is true.
      *
      * @param connection The UserConnection
      * @param payload    The constructed payload to modify

api/src/main/java/com/viaversion/viaversion/api/protocol/Protocol.java

@@ -68,10 +68,6 @@ public interface Protocol<CU extends ClientboundPacketType, CM extends Clientbou
         registerServerbound(state, packetType.getId(), packetType.getId(), handler, false);
     }
 
-    default void registerServerbound(State state, int unmappedPacketId, int mappedPacketId, @Nullable PacketHandler handler) {
-        registerServerbound(state, unmappedPacketId, mappedPacketId, handler, false);
-    }
-
     /**
      * Registers a serverbound packet, with id transformation and remapper.
      *
@@ -79,19 +75,17 @@ public interface Protocol<CU extends ClientboundPacketType, CM extends Clientbou
      * @param unmappedPacketId unmapped packet id
      * @param mappedPacketId   mapped packet id
      * @param handler          packet handler
-     * @param override         whether an existing mapper should be overridden
      * @see #registerServerbound(ServerboundPacketType, ServerboundPacketType, PacketHandler, boolean)
      */
+    default void registerServerbound(State state, int unmappedPacketId, int mappedPacketId, @Nullable PacketHandler handler) {
+        registerServerbound(state, unmappedPacketId, mappedPacketId, handler, false);
+    }
+
+    @Deprecated(forRemoval = true)
     void registerServerbound(State state, int unmappedPacketId, int mappedPacketId, @Nullable PacketHandler handler, boolean override);
 
     void cancelServerbound(State state, int mappedPacketId);
 
-    default void registerClientbound(State state, int unmappedPacketId, int mappedPacketId, @Nullable PacketHandler handler) {
-        registerClientbound(state, unmappedPacketId, mappedPacketId, handler, false);
-    }
-
-    void cancelClientbound(State state, int unmappedPacketId);
-
     /**
      * Registers a clientbound packet, with id transformation and remapper.
      *
@@ -99,9 +93,15 @@ public interface Protocol<CU extends ClientboundPacketType, CM extends Clientbou
      * @param unmappedPacketId unmapped packet id
      * @param mappedPacketId   mapped packet id
      * @param handler          packet handler
-     * @param override         whether an existing mapper should be overridden
      * @see #registerClientbound(ClientboundPacketType, ClientboundPacketType, PacketHandler, boolean)
      */
+    default void registerClientbound(State state, int unmappedPacketId, int mappedPacketId, @Nullable PacketHandler handler) {
+        registerClientbound(state, unmappedPacketId, mappedPacketId, handler, false);
+    }
+
+    void cancelClientbound(State state, int unmappedPacketId);
+
+    @Deprecated(forRemoval = true)
     void registerClientbound(State state, int unmappedPacketId, int mappedPacketId, @Nullable PacketHandler handler, boolean override);
 
     // ---------------------------------------------------------------------------------------
@@ -144,6 +144,7 @@ public interface Protocol<CU extends ClientboundPacketType, CM extends Clientbou
      * @param handler          packet handler
      * @param override         whether an existing mapping should be overridden if present
      */
+    @Deprecated(forRemoval = true)
     void registerClientbound(CU packetType, @Nullable CM mappedPacketType, @Nullable PacketHandler handler, boolean override);
 
     /**
@@ -191,6 +192,7 @@ public interface Protocol<CU extends ClientboundPacketType, CM extends Clientbou
      * @param handler          packet handler
      * @param override         whether an existing mapping should be overridden if present
      */
+    @Deprecated(forRemoval = true)
     void registerServerbound(SU packetType, @Nullable SM mappedPacketType, @Nullable PacketHandler handler, boolean override);
 
     /**
@@ -260,6 +262,22 @@ public interface Protocol<CU extends ClientboundPacketType, CM extends Clientbou
      */
     void appendServerbound(SU type, PacketHandler handler);
 
+    /**
+     * Replaces a clientbound packet type handler with another.
+     *
+     * @param type    clientbound packet type
+     * @param handler packet handler
+     */
+    void replaceClientbound(CU type, @Nullable PacketHandler handler);
+
+    /**
+     * Replaces a serverbound packet type handler with another.
+     *
+     * @param type    serverbound packet type
+     * @param handler packet handler
+     */
+    void replaceServerbound(SU type, @Nullable PacketHandler handler);
+
     /**
      * Transform a packet using this protocol
      *
@@ -441,4 +459,13 @@ public interface Protocol<CU extends ClientboundPacketType, CM extends Clientbou
     default boolean isBaseProtocol() {
         return false;
     }
+
+    /**
+     * Marks this protocol as dependent on another. Before being initialized, it will wait for the dependency's completion.
+     *
+     * @return protocol class to depend on
+     */
+    default @Nullable Class<? extends Protocol<?, ?, ?, ?>> dependsOn() {
+        return null;
+    }
 }

api/src/main/java/com/viaversion/viaversion/api/protocol/ProtocolManager.java

@@ -249,7 +249,17 @@ public interface ProtocolManager {
      *
      * @return true if the executor has now been shut down
      */
-    boolean checkForMappingCompletion();
+    default boolean checkForMappingCompletion() {
+        return checkForMappingCompletion(false);
+    }
+
+    /**
+     * Shuts down the executor and uncaches mappings if all futures have been completed.
+     *
+     * @param propagateErrors whether to propagate errors from the futures to the caller
+     * @return true if the executor has now been shut down
+     */
+    boolean checkForMappingCompletion(boolean propagateErrors);
 
     /**
      * Executes the given runnable asynchronously, adding a {@link CompletableFuture}

api/src/main/java/com/viaversion/viaversion/api/protocol/packet/mapping/PacketIdMapping.java

@@ -50,6 +50,11 @@ final class PacketIdMapping implements PacketMapping {
         }
     }
 
+    @Override
+    public void setHandler(@Nullable final PacketHandler handler) {
+        this.handler = handler;
+    }
+
     @Override
     public @Nullable PacketHandler handler() {
         return handler;

api/src/main/java/com/viaversion/viaversion/api/protocol/packet/mapping/PacketMapping.java

@@ -39,6 +39,13 @@ public interface PacketMapping {
      */
     void applyType(PacketWrapper wrapper);
 
+    /**
+     * Replaces the current packet handler.
+     *
+     * @param handler packet transformer
+     */
+    void setHandler(@Nullable PacketHandler handler);
+
     /**
      * Returns a packet transformer to transform a packet from one protocol version to another.
      *

api/src/main/java/com/viaversion/viaversion/api/protocol/packet/mapping/PacketTypeMapping.java

@@ -52,6 +52,11 @@ final class PacketTypeMapping implements PacketMapping {
         }
     }
 
+    @Override
+    public void setHandler(@Nullable final PacketHandler handler) {
+        this.handler = handler;
+    }
+
     @Override
     public @Nullable PacketHandler handler() {
         return handler;

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

@@ -93,7 +93,7 @@ public class ProtocolVersion implements Comparable<ProtocolVersion> {
     public static final ProtocolVersion v1_21_7 = register(772, "1.21.7-1.21.8", new SubVersionRange("1.21", 7, 8));
     public static final ProtocolVersion v1_21_9 = register(773, "1.21.9-1.21.10", new SubVersionRange("1.21", 9, 10));
     public static final ProtocolVersion v1_21_11 = register(774, "1.21.11");
-    public static final ProtocolVersion v26_1 = register(775, "26.1");
+    public static final ProtocolVersion v26_1 = register(775, "26.1-26.1.2", new SubVersionRange("26.1", 0, 2));
     public static final ProtocolVersion unknown = new ProtocolVersion(VersionType.SPECIAL, -1, -1, "UNKNOWN", null);
 
     static {

api/src/main/java/com/viaversion/viaversion/api/rewriter/ComponentRewriter.java

@@ -26,6 +26,7 @@ import com.google.gson.JsonElement;
 import com.viaversion.nbt.tag.CompoundTag;
 import com.viaversion.nbt.tag.Tag;
 import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
 import org.checkerframework.checker.nullness.qual.Nullable;
 
 public interface ComponentRewriter {
@@ -37,4 +38,6 @@ public interface ComponentRewriter {
     JsonElement processText(UserConnection connection, @Nullable String json);
 
     void handleShowItem(UserConnection connection, CompoundTag itemTag);
+
+    void passthroughAndProcess(PacketWrapper wrapper);
 }

api/src/main/java/com/viaversion/viaversion/api/rewriter/EntityRewriter.java

@@ -28,6 +28,7 @@ import com.viaversion.viaversion.api.minecraft.entities.EntityType;
 import com.viaversion.viaversion.api.minecraft.entitydata.EntityData;
 import com.viaversion.viaversion.api.protocol.Protocol;
 import java.util.List;
+import org.checkerframework.checker.nullness.qual.Nullable;
 
 public interface EntityRewriter<T extends Protocol<?, ?, ?, ?>> extends Rewriter<T> {
 
@@ -39,6 +40,8 @@ public interface EntityRewriter<T extends Protocol<?, ?, ?, ?>> extends Rewriter
      */
     EntityType typeFromId(int type);
 
+    @Nullable EntityType typeFromId(String type);
+
     /**
      * Returns the entity type from the given id.
      * From 1.14 and onwards, this is the same exact value as {@link #typeFromId(int)}.
@@ -70,9 +73,9 @@ public interface EntityRewriter<T extends Protocol<?, ?, ?, ?>> extends Rewriter
     /**
      * Handles and transforms entity data of an entity.
      *
-     * @param entityId     entity id
-     * @param dataList full, mutable list of entity data
-     * @param connection   user connection
+     * @param entityId   entity id
+     * @param dataList   full, mutable list of entity data
+     * @param connection user connection
      */
     void handleEntityData(int entityId, List<EntityData> dataList, UserConnection connection);
 

api/src/main/java/com/viaversion/viaversion/api/rewriter/RegistryDataRewriter.java

@@ -22,13 +22,22 @@
  */
 package com.viaversion.viaversion.api.rewriter;
 
+import com.viaversion.nbt.tag.CompoundTag;
+import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
 import com.viaversion.viaversion.util.KeyMappings;
 import org.checkerframework.checker.nullness.qual.Nullable;
 
 public interface RegistryDataRewriter {
 
+    void handle(PacketWrapper wrapper);
+
     @Nullable
     KeyMappings getMappings(String registryKey);
 
     boolean shouldRemoveRegistry(String registryKey);
+
+    boolean hasRegistriesToRemove();
+
+    void updateDialog(UserConnection connection, CompoundTag tag);
 }

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

@@ -107,6 +107,7 @@ import com.viaversion.viaversion.api.type.types.math.LowPrecisionVectorType;
 import com.viaversion.viaversion.api.type.types.math.QuaternionType;
 import com.viaversion.viaversion.api.type.types.math.Vector3fType;
 import com.viaversion.viaversion.api.type.types.math.VectorType;
+import com.viaversion.viaversion.api.type.types.misc.CompoundTagHolderType;
 import com.viaversion.viaversion.api.type.types.misc.CompoundTagType;
 import com.viaversion.viaversion.api.type.types.misc.GameProfileType;
 import com.viaversion.viaversion.api.type.types.misc.HolderSetType;
@@ -207,6 +208,7 @@ public final class Types {
     public static final Type<CompoundTag[]> NAMED_COMPOUND_TAG_ARRAY = new ArrayType<>(Types.NAMED_COMPOUND_TAG);
     public static final Type<CompoundTag> COMPOUND_TAG = new CompoundTagType();
     public static final Type<CompoundTag> OPTIONAL_COMPOUND_TAG = CompoundTagType.OptionalCompoundTagType.type();
+    public static final HolderType<CompoundTag> TRUSTED_COMPOUND_TAG_HOLDER = new CompoundTagHolderType();
 
     public static final Type<Tag> TAG = new TagType();
     public static final Type<Tag[]> TAG_ARRAY = new ArrayType<>(TAG);

api/src/main/java/com/viaversion/viaversion/api/type/types/block/BlockEntityType1_20_2.java

@@ -40,7 +40,7 @@ public class BlockEntityType1_20_2 extends Type<BlockEntity> {
         final byte xz = buffer.readByte();
         final short y = buffer.readShort();
         final int typeId = Types.VAR_INT.readPrimitive(buffer);
-        final CompoundTag tag = Types.COMPOUND_TAG.read(buffer);
+        final CompoundTag tag = Types.TRUSTED_COMPOUND_TAG.read(buffer);
         return new BlockEntityImpl(xz, y, typeId, tag);
     }
 
@@ -49,6 +49,6 @@ public class BlockEntityType1_20_2 extends Type<BlockEntity> {
         buffer.writeByte(entity.packedXZ());
         buffer.writeShort(entity.y());
         Types.VAR_INT.writePrimitive(buffer, entity.typeId());
-        Types.COMPOUND_TAG.write(buffer, entity.tag());
+        Types.TRUSTED_COMPOUND_TAG.write(buffer, entity.tag());
     }
 }

api/src/main/java/com/viaversion/viaversion/api/type/types/misc/CompoundTagHolderType.java

@@ -20,17 +20,21 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-package com.viaversion.viaversion.api.protocol;
+package com.viaversion.viaversion.api.type.types.misc;
 
-/**
- * A simple protocol which does not have any packet types.
- * <p>
- * {@link AbstractProtocol} should be preferred over this class in most cases.
- */
-public abstract class AbstractSimpleProtocol extends AbstractProtocol<SimpleProtocol.DummyPacketTypes, SimpleProtocol.DummyPacketTypes,
-    SimpleProtocol.DummyPacketTypes, SimpleProtocol.DummyPacketTypes> implements SimpleProtocol {
+import com.viaversion.nbt.tag.CompoundTag;
+import com.viaversion.viaversion.api.type.Types;
+import io.netty.buffer.ByteBuf;
 
-    protected AbstractSimpleProtocol() {
-        super(null, null, null, null);
+public final class CompoundTagHolderType extends HolderType<CompoundTag> {
+
+    @Override
+    public CompoundTag readDirect(final ByteBuf buffer) {
+        return Types.TRUSTED_COMPOUND_TAG.read(buffer);
+    }
+
+    @Override
+    public void writeDirect(final ByteBuf buffer, final CompoundTag value) {
+        Types.TRUSTED_COMPOUND_TAG.write(buffer, value);
     }
 }

api/src/main/java/com/viaversion/viaversion/api/type/types/misc/ParticleType.java

@@ -59,17 +59,13 @@ public class ParticleType extends DynamicType<Particle> {
         return protocol.getMappingData().getParticleMappings();
     }
 
-    public static DataReader<Particle> itemHandler(final Type<Item> itemType) {
-        return (buf, particle) -> particle.add(itemType, itemType.read(buf));
-    }
-
     public static final class Readers {
 
         public static final DataReader<Particle> BLOCK = (buf, particle) -> {
             particle.add(Types.VAR_INT, Types.VAR_INT.readPrimitive(buf)); // Flat Block
         };
-        public static final DataReader<Particle> ITEM1_13 = itemHandler(Types.ITEM1_13);
-        public static final DataReader<Particle> ITEM1_13_2 = itemHandler(Types.ITEM1_13_2);
+        public static final DataReader<Particle> ITEM1_13 = item(Types.ITEM1_13);
+        public static final DataReader<Particle> ITEM1_13_2 = item(Types.ITEM1_13_2);
         public static final DataReader<Particle> DUST = (buf, particle) -> {
             particle.add(Types.FLOAT, Types.FLOAT.readPrimitive(buf)); // Red 0-1
             particle.add(Types.FLOAT, Types.FLOAT.readPrimitive(buf)); // Green 0-1
@@ -172,4 +168,103 @@ public class ParticleType extends DynamicType<Particle> {
             return (buf, particle) -> particle.add(item, item.read(buf));
         }
     }
+
+    public static final class Fillers {
+
+        public static DynamicType<Particle>.DataFiller fill1_13_2(final Protocol<?, ?, ?, ?> protocol, final ParticleType type, final boolean useMappedNames) {
+            return type.filler(protocol, useMappedNames)
+                .reader("item", Readers.item(protocol.getItemRewriter().mappedItemType()))
+                .reader("block", Readers.BLOCK)
+                .reader("dust", Readers.DUST)
+                .reader("falling_dust", Readers.BLOCK);
+        }
+
+        public static DataFiller fill1_17(final Protocol<?, ?, ?, ?> protocol, final ParticleType type) {
+            return fill1_13_2(protocol, type, true)
+                .reader("dust_color_transition", Readers.DUST_TRANSITION)
+                .reader("vibration", Readers.VIBRATION);
+        }
+
+        public static void fill1_18(final Protocol<?, ?, ?, ?> protocol, final ParticleType type) {
+            fill1_17(protocol, type).reader("block_marker", Readers.BLOCK);
+        }
+
+        public static void fill1_19(final Protocol<?, ?, ?, ?> protocol, final ParticleType type) {
+            type.filler(protocol)
+                .reader("item", Readers.item(protocol.getItemRewriter().mappedItemType()))
+                .reader("block", Readers.BLOCK)
+                .reader("block_marker", Readers.BLOCK)
+                .reader("dust", Readers.DUST)
+                .reader("falling_dust", Readers.BLOCK)
+                .reader("dust_color_transition", Readers.DUST_TRANSITION)
+                .reader("vibration", Readers.VIBRATION1_19)
+                .reader("sculk_charge", Readers.SCULK_CHARGE)
+                .reader("shriek", Readers.SHRIEK);
+        }
+
+        public static DataFiller fill1_20_3(final Protocol<?, ?, ?, ?> protocol, final ParticleType type) {
+            return type.filler(protocol)
+                .reader("item", Readers.item(protocol.getItemRewriter().mappedItemType()))
+                .reader("block", Readers.BLOCK)
+                .reader("block_marker", Readers.BLOCK)
+                .reader("dust", Readers.DUST)
+                .reader("falling_dust", Readers.BLOCK)
+                .reader("dust_color_transition", Readers.DUST_TRANSITION)
+                .reader("vibration", Readers.VIBRATION1_20_3)
+                .reader("sculk_charge", Readers.SCULK_CHARGE)
+                .reader("shriek", Readers.SHRIEK);
+        }
+
+        public static void fill1_20_5(final Protocol<?, ?, ?, ?> protocol, final ParticleType type) {
+            fill1_20_3(protocol, type)
+                .reader("dust_pillar", Readers.BLOCK)
+                .reader("entity_effect", Readers.COLOR);
+        }
+
+        public static void fill1_21_2(final Protocol<?, ?, ?, ?> protocol) {
+            protocol.mappedTypes().particle().filler(protocol)
+                .reader("item", Readers.item(protocol.getItemRewriter().mappedItemType()))
+                .reader("block", Readers.BLOCK)
+                .reader("block_marker", Readers.BLOCK)
+                .reader("dust_pillar", Readers.BLOCK)
+                .reader("falling_dust", Readers.BLOCK)
+                .reader("block_crumble", Readers.BLOCK)
+                .reader("dust", Readers.DUST1_21_2)
+                .reader("dust_color_transition", Readers.DUST_TRANSITION1_21_2)
+                .reader("vibration", Readers.VIBRATION1_20_3)
+                .reader("sculk_charge", Readers.SCULK_CHARGE)
+                .reader("shriek", Readers.SHRIEK)
+                .reader("entity_effect", Readers.COLOR)
+                .reader("trail", Readers.TRAIL1_21_2);
+        }
+
+        public static DataFiller fill1_21_4(final Protocol<?, ?, ?, ?> protocol) {
+            return protocol.mappedTypes().particle().filler(protocol)
+                .reader("item", Readers.item(protocol.getItemRewriter().mappedItemTemplateType()))
+                .reader("block", Readers.BLOCK)
+                .reader("block_marker", Readers.BLOCK)
+                .reader("dust_pillar", Readers.BLOCK)
+                .reader("falling_dust", Readers.BLOCK)
+                .reader("block_crumble", Readers.BLOCK)
+                .reader("dust", Readers.DUST1_21_2)
+                .reader("dust_color_transition", Readers.DUST_TRANSITION1_21_2)
+                .reader("vibration", Readers.VIBRATION1_20_3)
+                .reader("sculk_charge", Readers.SCULK_CHARGE)
+                .reader("shriek", Readers.SHRIEK)
+                .reader("entity_effect", Readers.COLOR)
+                .reader("trail", Readers.TRAIL1_21_4);
+        }
+
+        public static DataFiller fill1_21_5(final Protocol<?, ?, ?, ?> protocol) {
+            return fill1_21_4(protocol).reader("tinted_leaves", Readers.COLOR);
+        }
+
+        public static void fill1_21_9(final Protocol<?, ?, ?, ?> protocol) {
+            fill1_21_5(protocol)
+                .reader("dragon_breath", Readers.POWER)
+                .reader("effect", Readers.SPELL)
+                .reader("instant_effect", Readers.SPELL)
+                .reader("flash", Readers.COLOR);
+        }
+    }
 }

api/src/main/java/com/viaversion/viaversion/exception/InformativeException.java

@@ -60,7 +60,7 @@ public class InformativeException extends RuntimeException {
 
     @Override
     public String getMessage() {
-        final StringBuilder builder = new StringBuilder("Please report this on the Via support Discord or open an issue on the relevant GitHub repository\n");
+        final StringBuilder builder = new StringBuilder("Please report the full error (!) from the console on the Via support Discord or open an issue on the relevant GitHub repository.\n");
         boolean first = true;
         for (final DataEntry entry : dataEntries) {
             if (!first) {

api/src/main/java/com/viaversion/viaversion/util/Key.java

@@ -48,7 +48,7 @@ public final class Key {
      * Creates a new key with the given namespace and path.
      *
      * @param namespace the namespace of the identifier
-     * @param path the path of the identifier
+     * @param path      the path of the identifier
      * @return a new key with the given namespace and path
      */
     public static Key of(final String namespace, final String path) {

bukkit-legacy/src/main/java/com/viaversion/viaversion/bukkit/util/NMSUtil.java

@@ -49,6 +49,20 @@ public final class NMSUtil {
         }
     }
 
+    public static Class<?> nms(String className, String... fallbackFullClassNames) throws ClassNotFoundException {
+        try {
+            return Class.forName(NMS + "." + className);
+        } catch (ClassNotFoundException ignored) {
+        }
+        for (final String fallbackFullClassName : fallbackFullClassNames) {
+            try {
+                return Class.forName(fallbackFullClassName);
+            } catch (ClassNotFoundException ignored) {
+            }
+        }
+        throw new ClassNotFoundException(className);
+    }
+
     public static Class<?> obc(String className) throws ClassNotFoundException {
         return Class.forName(BASE + "." + className);
     }

bukkit/src/main/java/com/viaversion/viaversion/bukkit/platform/BukkitViaInjector.java

@@ -105,7 +105,8 @@ public class BukkitViaInjector extends LegacyViaInjector {
         // Grab the ping class and find the field to access it
         Class<?> pingClazz = NMSUtil.nms(
             "ServerPing",
-            "net.minecraft.network.protocol.status.ServerPing"
+            "net.minecraft.network.protocol.status.ServerPing",
+            "net.minecraft.network.protocol.status.ServerStatus"
         );
         Object ping = null;
         for (Field field : serverClazz.getDeclaredFields()) {
@@ -120,7 +121,8 @@ public class BukkitViaInjector extends LegacyViaInjector {
         // Now get the ServerData inside ServerPing
         Class<?> serverDataClass = NMSUtil.nms(
             "ServerPing$ServerData",
-            "net.minecraft.network.protocol.status.ServerPing$ServerData"
+            "net.minecraft.network.protocol.status.ServerPing$ServerData",
+            "net.minecraft.network.protocol.status.ServerStatus$Version"
         );
         Object serverData = null;
         for (Field field : pingClazz.getDeclaredFields()) {
@@ -155,7 +157,8 @@ public class BukkitViaInjector extends LegacyViaInjector {
         );
         Class<?> connectionClass = NMSUtil.nms(
             "ServerConnection",
-            "net.minecraft.server.network.ServerConnection"
+            "net.minecraft.server.network.ServerConnection",
+            "net.minecraft.server.network.ServerConnectionListener"
         );
 
         Object server = ReflectionUtil.invokeStatic(serverClass, "getServer");

common/src/main/java/com/viaversion/viaversion/api/protocol/AbstractProtocol.java

@@ -2,23 +2,18 @@
  * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
  * Copyright (C) 2016-2026 ViaVersion and contributors
  *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
+ * 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.
  *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
+ * 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.
  *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 package com.viaversion.viaversion.api.protocol;
 
@@ -27,6 +22,7 @@ import com.viaversion.viaversion.api.Via;
 import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.api.data.entity.EntityTracker;
 import com.viaversion.viaversion.api.data.item.ItemHasher;
+import com.viaversion.viaversion.api.minecraft.entities.EntityType;
 import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
 import com.viaversion.viaversion.api.protocol.packet.Direction;
 import com.viaversion.viaversion.api.protocol.packet.PacketType;
@@ -39,10 +35,17 @@ import com.viaversion.viaversion.api.protocol.packet.provider.PacketTypeMap;
 import com.viaversion.viaversion.api.protocol.packet.provider.PacketTypesProvider;
 import com.viaversion.viaversion.api.protocol.packet.provider.SimplePacketTypesProvider;
 import com.viaversion.viaversion.api.protocol.remapper.PacketHandler;
+import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
 import com.viaversion.viaversion.api.rewriter.MappingDataListener;
 import com.viaversion.viaversion.api.rewriter.Rewriter;
+import com.viaversion.viaversion.data.entity.EntityTrackerBase;
+import com.viaversion.viaversion.data.item.ItemHasherBase;
 import com.viaversion.viaversion.exception.CancelException;
 import com.viaversion.viaversion.exception.InformativeException;
+import com.viaversion.viaversion.protocol.shared_registration.SharedRegistrations;
+import com.viaversion.viaversion.rewriter.RecipeDisplayRewriter;
+import com.viaversion.viaversion.rewriter.TagRewriter;
+import com.viaversion.viaversion.rewriter.text.ComponentRewriterBase;
 import com.viaversion.viaversion.util.ProtocolLogger;
 import com.viaversion.viaversion.util.ProtocolUtil;
 import java.util.HashMap;
@@ -74,6 +77,8 @@ public abstract class AbstractProtocol<CU extends ClientboundPacketType, CM exte
     private final Map<Class<?>, Object> storedObjects = new HashMap<>();
     private boolean initialized;
     private ProtocolLogger logger;
+    private ProtocolVersion serverVersion;
+    private ProtocolVersion clientVersion;
 
     @Deprecated
     protected AbstractProtocol() {
@@ -104,6 +109,11 @@ public abstract class AbstractProtocol<CU extends ClientboundPacketType, CM exte
         if (logger == null) {
             logger = createLogger();
         }
+
+        // Apply shared registrations based on protocol version range
+        // Run before registerPackets, so implementations have to call append intentionally
+        applySharedRegistrations();
+
         registerPackets();
         registerConfigurationChangeHandlers();
 
@@ -128,6 +138,13 @@ public abstract class AbstractProtocol<CU extends ClientboundPacketType, CM exte
         }
     }
 
+    /**
+     * Applies shared registrations. Can be overridden to remove or add registrations.
+     */
+    protected void applySharedRegistrations() {
+        SharedRegistrations.defaultRegistrations().applyMatching(this);
+    }
+
     protected ProtocolLogger createLogger() {
         return new ProtocolLogger(getClass());
     }
@@ -177,6 +194,20 @@ public abstract class AbstractProtocol<CU extends ClientboundPacketType, CM exte
         }
     }
 
+    @Override
+    public void replaceClientbound(final CU type, @Nullable final PacketHandler handler) {
+        final PacketMapping mapping = clientboundMappings.mappedPacket(type.state(), type.getId());
+        Preconditions.checkNotNull(mapping, "Packet %s has no handler to replace", type);
+        mapping.setHandler(handler);
+    }
+
+    @Override
+    public void replaceServerbound(final SU type, @Nullable final PacketHandler handler) {
+        final PacketMapping mapping = serverboundMappings.mappedPacket(type.state(), type.getId());
+        Preconditions.checkNotNull(mapping, "Packet %s has no handler to replace", type);
+        mapping.setHandler(handler);
+    }
+
     private <U extends PacketType, M extends PacketType> void registerPacketIdChanges(
         Map<State, PacketTypeMap<U>> unmappedPacketTypes,
         Map<State, PacketTypeMap<M>> mappedPacketTypes,
@@ -214,6 +245,7 @@ public abstract class AbstractProtocol<CU extends ClientboundPacketType, CM exte
     @Override
     public final void loadMappingData() {
         getMappingData().load();
+        initialize();
         onMappingDataLoaded();
     }
 
@@ -248,10 +280,21 @@ public abstract class AbstractProtocol<CU extends ClientboundPacketType, CM exte
         }
     }
 
+    protected void addEntityTracker(UserConnection connection) {
+        final EntityType playerEntityType = getEntityRewriter().typeFromId("player");
+        Preconditions.checkNotNull(playerEntityType, "Player entity type not found");
+        connection.addEntityTracker(this.getClass(), new EntityTrackerBase(connection, playerEntityType));
+    }
+
     protected void addEntityTracker(UserConnection connection, EntityTracker tracker) {
         connection.addEntityTracker(this.getClass(), tracker);
     }
 
+    protected void addItemHasher(UserConnection connection) {
+        connection.addItemHasher(this.getClass(), new ItemHasherBase(this, connection));
+    }
+
+    @Deprecated(forRemoval = true)
     protected void addItemHasher(UserConnection connection, ItemHasher hasher) {
         connection.addItemHasher(this.getClass(), hasher);
     }
@@ -289,6 +332,46 @@ public abstract class AbstractProtocol<CU extends ClientboundPacketType, CM exte
         return packetTypesProvider.unmappedClientboundType(State.CONFIGURATION, "FINISH_CONFIGURATION");
     }
 
+    /**
+     * Returns the server protocol version for this protocol,
+     * or null if not set (e.g. for base protocols).
+     *
+     * @return the server protocol version
+     */
+    public @Nullable ProtocolVersion getServerVersion() {
+        return serverVersion;
+    }
+
+    /**
+     * Sets the server protocol version for this protocol.
+     * Called by the protocol manager before {@link #initialize()}.
+     *
+     * @param serverVersion the server protocol version
+     */
+    public void setServerVersion(final ProtocolVersion serverVersion) {
+        this.serverVersion = serverVersion;
+    }
+
+    /**
+     * Returns the client protocol version for this protocol,
+     * or null if not set (e.g. for base protocols).
+     *
+     * @return the client protocol version for this protocol
+     */
+    public @Nullable ProtocolVersion getClientVersion() {
+        return clientVersion;
+    }
+
+    /**
+     * Sets the client protocol version for this protocol.
+     * Called by the protocol manager before {@link #initialize()}.
+     *
+     * @param clientVersion the client protocol version for this protocol
+     */
+    public void setClientVersion(final ProtocolVersion clientVersion) {
+        this.clientVersion = clientVersion;
+    }
+
     // ---------------------------------------------------------------------------------
 
     @Override
@@ -297,7 +380,7 @@ public abstract class AbstractProtocol<CU extends ClientboundPacketType, CM exte
         PacketMapping packetMapping = PacketMapping.of(mappedPacketId, handler);
         if (!override && serverboundMappings.hasMapping(state, unmappedPacketId)) {
             Via.getPlatform().getLogger().log(Level.WARNING, unmappedPacketId + " already registered!" +
-                " If this override is intentional, set override to true. Stacktrace: ", new Exception());
+                " If this override is intentional, use replaceServerbound instead. Stacktrace: ", new Exception());
         }
         serverboundMappings.addMapping(state, unmappedPacketId, packetMapping);
     }
@@ -313,7 +396,7 @@ public abstract class AbstractProtocol<CU extends ClientboundPacketType, CM exte
         PacketMapping packetMapping = PacketMapping.of(mappedPacketId, handler);
         if (!override && clientboundMappings.hasMapping(state, unmappedPacketId)) {
             Via.getPlatform().getLogger().log(Level.WARNING, unmappedPacketId + " already registered!" +
-                " If override is intentional, set override to true. Stacktrace: ", new Exception());
+                " If override is intentional, use replaceClientbound instead. Stacktrace: ", new Exception());
         }
         clientboundMappings.addMapping(state, unmappedPacketId, packetMapping);
     }
@@ -373,8 +456,8 @@ public abstract class AbstractProtocol<CU extends ClientboundPacketType, CM exte
 
         PacketMapping packetMapping = PacketMapping.of(mappedPacketType, handler);
         if (!override && packetMappings.hasMapping(packetType)) {
-            getLogger().log(Level.WARNING, packetType + " already registered!" +
-                " If override is intentional, set override to true. Stacktrace: ", new Exception());
+            throw new IllegalArgumentException("Packet type " + packetType + " already registered! If override is intentional, use "
+                + (packetType.direction() == Direction.SERVERBOUND ? "replaceServerbound" : "replaceClientbound") + " instead.");
         }
         packetMappings.addMapping(packetType, packetMapping);
     }
@@ -443,6 +526,14 @@ public abstract class AbstractProtocol<CU extends ClientboundPacketType, CM exte
         return logger;
     }
 
+    public com.viaversion.viaversion.rewriter.@Nullable BlockRewriter<CU> getBlockRewriter() {
+        return null;
+    }
+
+    public @Nullable RecipeDisplayRewriter<CU> getRecipeRewriter() {
+        return null;
+    }
+
     private void printRemapError(Direction direction, State state, int unmappedPacketId, int mappedPacketId, InformativeException e) {
         // Don't print errors during handshake/login/status
         if (state != State.PLAY && direction == Direction.SERVERBOUND && !Via.getManager().debugHandler().enabled()) {

common/src/main/java/com/viaversion/viaversion/commands/defaultsubs/DebugSubCmd.java

@@ -37,6 +37,11 @@ public class DebugSubCmd implements ViaSubCommand {
         return "Toggle various debug modes.";
     }
 
+    @Override
+    public String usage() {
+        return "debug [clear|pre|post], or debug <add|remove> <packet>";
+    }
+
     @Override
     public boolean execute(ViaCommandSender sender, String[] args) {
         final DebugHandler debug = Via.getManager().debugHandler();
@@ -49,11 +54,11 @@ public class DebugSubCmd implements ViaSubCommand {
                 debug.clearPacketTypesToLog();
                 sendMessage(sender, "&6Cleared packet types to log");
                 return true;
-            } else if (args[0].equalsIgnoreCase("logpretransform")) {
+            } else if (args[0].equalsIgnoreCase("pre")) {
                 debug.setLogPrePacketTransform(!debug.logPrePacketTransform());
                 sendMessage(sender, "&6Pre transform packet logging is now %s", (debug.logPrePacketTransform() ? "&aenabled" : "&cdisabled"));
                 return true;
-            } else if (args[0].equalsIgnoreCase("logposttransform")) {
+            } else if (args[0].equalsIgnoreCase("post")) {
                 debug.setLogPostPacketTransform(!debug.logPostPacketTransform());
                 sendMessage(sender, "&6Post transform packet logging is now %s", (debug.logPostPacketTransform() ? "&aenabled" : "&cdisabled"));
                 return true;
@@ -75,7 +80,7 @@ public class DebugSubCmd implements ViaSubCommand {
     @Override
     public List<String> onTabComplete(final ViaCommandSender sender, final String[] args) {
         if (args.length == 1) {
-            return Arrays.asList("clear", "logposttransform", "add", "remove");
+            return Arrays.asList("clear", "pre", "post", "add", "remove");
         }
         return Collections.emptyList();
     }

common/src/main/java/com/viaversion/viaversion/commands/defaultsubs/DisplayLeaksSubCmd.java

@@ -37,7 +37,7 @@ public class DisplayLeaksSubCmd implements ViaSubCommand {
 
     @Override
     public String usage() {
-        return "displayleaks <level>";
+        return "displayleaks [level]";
     }
 
     @Override

common/src/main/java/com/viaversion/viaversion/connection/UserConnectionImpl.java

@@ -43,6 +43,7 @@ import io.netty.channel.ChannelFuture;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.channel.ChannelPipeline;
 import io.netty.handler.codec.CodecException;
+import it.unimi.dsi.fastutil.objects.Reference2ObjectOpenHashMap;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Map;
@@ -52,7 +53,6 @@ import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicLong;
 import java.util.function.Function;
-import it.unimi.dsi.fastutil.objects.Reference2ObjectOpenHashMap;
 import org.checkerframework.checker.nullness.qual.Nullable;
 
 public class UserConnectionImpl implements UserConnection {

common/src/main/java/com/viaversion/viaversion/data/item/ItemHasherBase.java

@@ -34,8 +34,6 @@ import com.viaversion.viaversion.codec.CodecRegistryContext;
 import com.viaversion.viaversion.codec.hash.HashFunction;
 import com.viaversion.viaversion.codec.hash.HashOps;
 import it.unimi.dsi.fastutil.ints.Int2IntMap;
-import java.util.ArrayList;
-import java.util.List;
 import java.util.Map;
 import org.checkerframework.checker.nullness.qual.Nullable;
 
@@ -58,7 +56,7 @@ public class ItemHasherBase implements ItemHasher {
     /**
      * Returns the hashed item for the given item. Not all data may be successfully hashed.
      *
-     * @param item the item to hash
+     * @param item   the item to hash
      * @param mapped whether the item is mapped to the client version
      * @return the hashed item
      */
@@ -83,7 +81,7 @@ public class ItemHasherBase implements ItemHasher {
     /**
      * Tracks the data for the given data container, storing the original hashes via the now transformed data hashes.
      *
-     * @param customData custom_data tag
+     * @param customData         custom_data tag
      * @param originalHashedItem the original (pre-transformed) hashed item
      */
     public void trackOriginalHashedItem(final CompoundTag customData, final HashedItem originalHashedItem) {
@@ -97,7 +95,7 @@ public class ItemHasherBase implements ItemHasher {
      * Returns a copy of the original hashed item for a given custom_data hash.
      *
      * @param customDataHash custom_data hash
-     * @param clientItem the hashed item from the client that the original should be retrieved for
+     * @param clientItem     the hashed item from the client that the original should be retrieved for
      * @return the original hashed item, or null if not found
      */
     public @Nullable HashedItem originalHashedItem(final int customDataHash, final HashedItem clientItem) {
@@ -116,6 +114,8 @@ public class ItemHasherBase implements ItemHasher {
                 entry.setValue(clientProvidedHash);
             }
         }
+
+        originalItem.setAmount(clientItem.amount());
         return originalItem;
     }
 

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

@@ -0,0 +1,34 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocol;
+
+import com.viaversion.viaversion.api.protocol.AbstractProtocol;
+import com.viaversion.viaversion.api.protocol.SimpleProtocol;
+
+/**
+ * A simple protocol which does not have any packet types.
+ * <p>
+ * {@link AbstractProtocol} should be preferred over this class in most cases.
+ */
+public abstract class AbstractSimpleProtocol extends AbstractProtocol<SimpleProtocol.DummyPacketTypes, SimpleProtocol.DummyPacketTypes,
+    SimpleProtocol.DummyPacketTypes, SimpleProtocol.DummyPacketTypes> implements SimpleProtocol {
+
+    protected AbstractSimpleProtocol() {
+        super(null, null, null, null);
+    }
+}

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

@@ -23,6 +23,7 @@ import com.google.common.collect.Range;
 import com.viaversion.viaversion.api.Via;
 import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.api.data.MappingDataLoader;
+import com.viaversion.viaversion.api.protocol.AbstractProtocol;
 import com.viaversion.viaversion.api.protocol.Protocol;
 import com.viaversion.viaversion.api.protocol.ProtocolManager;
 import com.viaversion.viaversion.api.protocol.ProtocolPathEntry;
@@ -38,6 +39,7 @@ import com.viaversion.viaversion.api.protocol.version.ServerProtocolVersion;
 import com.viaversion.viaversion.api.protocol.version.VersionType;
 import com.viaversion.viaversion.protocol.packet.PacketWrapperImpl;
 import com.viaversion.viaversion.protocol.packet.VersionedPacketTransformerImpl;
+import com.viaversion.viaversion.protocol.shared_registration.def.DefaultRegistrations;
 import com.viaversion.viaversion.protocols.base.InitialBaseProtocol;
 import com.viaversion.viaversion.protocols.base.v1_16.ClientboundBaseProtocol1_16;
 import com.viaversion.viaversion.protocols.base.v1_7.ClientboundBaseProtocol1_7;
@@ -95,6 +97,7 @@ import it.unimi.dsi.fastutil.objects.Object2ObjectLinkedOpenHashMap;
 import it.unimi.dsi.fastutil.objects.Object2ObjectMap;
 import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
 import it.unimi.dsi.fastutil.objects.Object2ObjectSortedMap;
+import it.unimi.dsi.fastutil.objects.Reference2ObjectOpenHashMap;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -113,9 +116,7 @@ import java.util.concurrent.ForkJoinWorkerThread;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.locks.ReadWriteLock;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
-import java.util.function.Function;
 import java.util.logging.Level;
-import it.unimi.dsi.fastutil.objects.Reference2ObjectOpenHashMap;
 import org.checkerframework.checker.nullness.qual.Nullable;
 
 public class ProtocolManagerImpl implements ProtocolManager {
@@ -146,6 +147,8 @@ public class ProtocolManagerImpl implements ProtocolManager {
             worker.setName("Via-Mappingloader-" + threadIndex.incrementAndGet());
             return worker;
         }, ForkJoinWorkerThread.getDefaultUncaughtExceptionHandler(), true);
+
+        DefaultRegistrations.apply();
     }
 
     public void registerProtocols() {
@@ -225,8 +228,11 @@ public class ProtocolManagerImpl implements ProtocolManager {
 
     @Override
     public void registerProtocol(Protocol protocol, List<ProtocolVersion> supportedClientVersion, ProtocolVersion serverVersion) {
-        // Register the protocol's handlers
-        protocol.initialize();
+        // Set the server version on AbstractProtocol instances before initialization
+        if (protocol instanceof AbstractProtocol<?, ?, ?, ?> abstractProtocol) {
+            abstractProtocol.setServerVersion(serverVersion);
+            abstractProtocol.setClientVersion(supportedClientVersion.stream().max(ProtocolVersion::compareTo).orElseThrow());
+        }
 
         // Clear cache as this may make new routes.
         if (!pathCache.isEmpty()) {
@@ -248,14 +254,22 @@ public class ProtocolManagerImpl implements ProtocolManager {
             refreshVersions();
         }
 
-        if (protocol.hasMappingDataToLoad()) {
-            if (mappingLoaderExecutor != null) {
-                // Submit mapping data loading
-                addMappingLoaderFuture(protocol.getClass(), protocol::loadMappingData);
+        // Load mapping data and register the protocol's handlers
+        if (!protocol.hasMappingDataToLoad()) {
+            protocol.initialize();
+            return;
+        }
+
+        // Submit mapping data loading
+        if (mappingLoaderExecutor != null) {
+            if (protocol.dependsOn() != null) {
+                addMappingLoaderFuture(protocol.getClass(), protocol.dependsOn(), protocol::loadMappingData);
             } else {
-                // Late protocol adding - just do it on the current thread
-                protocol.loadMappingData();
+                addMappingLoaderFuture(protocol.getClass(), protocol::loadMappingData);
             }
+        } else {
+            // Late protocol adding - just do it on the current thread
+            protocol.loadMappingData();
         }
     }
 
@@ -484,7 +498,7 @@ public class ProtocolManagerImpl implements ProtocolManager {
     }
 
     @Override
-    public boolean checkForMappingCompletion() {
+    public boolean checkForMappingCompletion(final boolean propagateErrors) {
         mappingLoaderLock.readLock().lock();
         try {
             if (mappingsLoaded) {
@@ -496,6 +510,9 @@ public class ProtocolManagerImpl implements ProtocolManager {
                 if (!future.isDone()) {
                     return false;
                 }
+                if (propagateErrors) {
+                    future.join();
+                }
             }
 
             shutdownLoaderExecutor();
@@ -507,7 +524,8 @@ public class ProtocolManagerImpl implements ProtocolManager {
 
     @Override
     public void addMappingLoaderFuture(Class<? extends Protocol> protocolClass, Runnable runnable) {
-        CompletableFuture<Void> future = CompletableFuture.runAsync(runnable, mappingLoaderExecutor).exceptionally(mappingLoaderThrowable(protocolClass));
+        CompletableFuture<Void> future = CompletableFuture.runAsync(runnable, mappingLoaderExecutor)
+            .whenComplete(($, t) -> logIfErrored(protocolClass, t));
 
         mappingLoaderLock.writeLock().lock();
         try {
@@ -519,8 +537,8 @@ public class ProtocolManagerImpl implements ProtocolManager {
 
     @Override
     public void addMappingLoaderFuture(Class<? extends Protocol> protocolClass, Class<? extends Protocol> dependsOn, Runnable runnable) {
-        CompletableFuture<Void> future = getMappingLoaderFuture(dependsOn)
-            .whenCompleteAsync((v, throwable) -> runnable.run(), mappingLoaderExecutor).exceptionally(mappingLoaderThrowable(protocolClass));
+        CompletableFuture<Void> future = getMappingLoaderFuture(dependsOn).thenRunAsync(runnable, mappingLoaderExecutor)
+            .whenComplete(($, t) -> logIfErrored(protocolClass, t));
 
         mappingLoaderLock.writeLock().lock();
         try {
@@ -571,10 +589,9 @@ public class ProtocolManagerImpl implements ProtocolManager {
         MappingDataLoader.INSTANCE.clearCache();
     }
 
-    private Function<Throwable, Void> mappingLoaderThrowable(Class<? extends Protocol> protocolClass) {
-        return throwable -> {
-            Via.getPlatform().getLogger().log(Level.SEVERE, "Error during mapping loading of " + protocolClass.getSimpleName(), throwable);
-            return null;
-        };
+    private void logIfErrored(final Class<? extends Protocol> protocolClass, @Nullable final Throwable throwable) {
+        if (throwable != null) {
+            Via.getPlatform().getLogger().log(Level.SEVERE, "Error during loading of " + protocolClass.getSimpleName(), throwable);
+        }
     }
 }

common/src/main/java/com/viaversion/viaversion/protocol/packet/PacketWrapperImpl.java

@@ -599,11 +599,12 @@ public class PacketWrapperImpl implements PacketWrapper {
 
     @Override
     public void consumeReadsOnly(final Runnable runnable) {
+        final boolean previous = this.allActionsRead;
         this.allActionsRead = true;
         try {
             runnable.run();
         } finally {
-            this.allActionsRead = false;
+            this.allActionsRead = previous;
         }
     }
 

common/src/main/java/com/viaversion/viaversion/protocol/shared_registration/PacketBound.java

@@ -0,0 +1,23 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocol.shared_registration;
+
+public enum PacketBound {
+    ADDED_AT_MIN,
+    REMOVED_AT_MAX
+}

common/src/main/java/com/viaversion/viaversion/protocol/shared_registration/RegistrationBuilder.java

@@ -0,0 +1,151 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocol.shared_registration;
+
+import com.google.common.base.Preconditions;
+import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
+import com.viaversion.viaversion.api.protocol.packet.ServerboundPacketType;
+import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
+import com.viaversion.viaversion.api.protocol.version.VersionType;
+import com.viaversion.viaversion.protocol.shared_registration.SharedRegistrations.RegistrationAction;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Consumer;
+import java.util.function.Function;
+
+public final class RegistrationBuilder {
+    private final List<VersionedTemplateGroup> groups = new ArrayList<>();
+    private final SharedRegistrations registrations;
+    private VersionType versionType;
+
+    RegistrationBuilder(final SharedRegistrations registrations) {
+        this.registrations = registrations;
+    }
+
+    /**
+     * Adds a registration for an open-ended version range.
+     *
+     * @param min    minimum version, inclusive
+     * @param action registration action
+     * @return this
+     */
+    public RegistrationBuilder since(final ProtocolVersion min, final RegistrationAction<?, ?> action) {
+        checkVersionType(min);
+        groups.add(new VersionedTemplateGroup(action, min, null));
+        return this;
+    }
+
+    /**
+     * Adds a registration for a version range.
+     *
+     * @param min    minimum version, inclusive
+     * @param max    maximum version, exclusive
+     * @param action registration action
+     * @return this
+     */
+    public RegistrationBuilder range(final ProtocolVersion min, final ProtocolVersion max, final RegistrationAction<?, ?> action) {
+        checkVersionType(min);
+        checkVersionType(max);
+        groups.add(new VersionedTemplateGroup(action, min, max));
+        return this;
+    }
+
+    public <CU extends ClientboundPacketType, SU extends ServerboundPacketType> RegistrationBuilder ranges(
+        final ProtocolVersion min, final Consumer<RangesBuilder<CU, SU>> consumer
+    ) {
+        consumer.accept(new RangesBuilder<>(min));
+        return this;
+    }
+
+    public <CU extends ClientboundPacketType, SU extends ServerboundPacketType, R> RegistrationBuilder ranges(
+        final Function<RegistrationContext<CU, SU>, R> adapter, final ProtocolVersion min,
+        final Consumer<TypedRangesBuilder<CU, SU, R>> consumer
+    ) {
+        consumer.accept(new TypedRangesBuilder<>(adapter, min));
+        return this;
+    }
+
+    public void register() {
+        registrations.register(versionType, groups);
+    }
+
+    private void checkVersionType(final ProtocolVersion version) {
+        if (versionType == null) {
+            versionType = version.getVersionType();
+        } else if (versionType != version.getVersionType()) {
+            throw new IllegalArgumentException("Cannot mix different version types in the same registration builder");
+        }
+    }
+
+    public class RangesBuilder<CU extends ClientboundPacketType, SU extends ServerboundPacketType> {
+        private ProtocolVersion currentMin;
+        private boolean completed;
+
+        private RangesBuilder(final ProtocolVersion min) {
+            this.currentMin = min;
+        }
+
+        public RangesBuilder<CU, SU> to(final ProtocolVersion max, final RegistrationAction<CU, SU> action) {
+            Preconditions.checkState(!completed, "Range chain already completed");
+            RegistrationBuilder.this.range(currentMin, max, action);
+            currentMin = max;
+            return this;
+        }
+
+        public RegistrationBuilder since(final RegistrationAction<CU, SU> action) {
+            Preconditions.checkState(!completed, "Range chain already completed");
+            completed = true;
+            return RegistrationBuilder.this.since(currentMin, action);
+        }
+    }
+
+    public final class TypedRangesBuilder<CU extends ClientboundPacketType, SU extends ServerboundPacketType, R> extends RangesBuilder<CU, SU> {
+        private final Function<RegistrationContext<CU, SU>, R> adapter;
+
+        private TypedRangesBuilder(final Function<RegistrationContext<CU, SU>, R> adapter, final ProtocolVersion min) {
+            super(min);
+            this.adapter = adapter;
+        }
+
+        public TypedRangesBuilder<CU, SU, R> to(final ProtocolVersion max, final TypedRegistrationAction<CU, SU, R> action) {
+            to(max, wrapAction(action));
+            return this;
+        }
+
+        public TypedRangesBuilder<CU, SU, R> since(final TypedRegistrationAction<CU, SU, R> action) {
+            since(wrapAction(action));
+            return this;
+        }
+
+        private RegistrationAction<CU, SU> wrapAction(final TypedRegistrationAction<CU, SU, R> action) {
+            return ctx -> {
+                final R rewriter = adapter.apply(ctx);
+                if (rewriter != null) {
+                    action.accept(ctx, rewriter);
+                }
+            };
+        }
+    }
+
+    @FunctionalInterface
+    public interface TypedRegistrationAction<CU extends ClientboundPacketType, SU extends ServerboundPacketType, R> {
+
+        void accept(RegistrationContext<CU, SU> ctx, R r);
+    }
+
+}

common/src/main/java/com/viaversion/viaversion/protocol/shared_registration/RegistrationContext.java

@@ -0,0 +1,127 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocol.shared_registration;
+
+import com.google.common.base.Preconditions;
+import com.viaversion.viaversion.api.protocol.AbstractProtocol;
+import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
+import com.viaversion.viaversion.api.protocol.packet.ServerboundPacketType;
+import com.viaversion.viaversion.api.protocol.remapper.PacketHandler;
+import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
+import java.util.function.Consumer;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+public record RegistrationContext<CU extends ClientboundPacketType, SU extends ServerboundPacketType>(
+    AbstractProtocol<CU, ?, ?, SU> protocol,
+    ProtocolVersion min,
+    @Nullable ProtocolVersion max
+) {
+
+    public <P extends AbstractProtocol<CU, ?, ?, SU>> P protocol(@SuppressWarnings("unused") final Class<P> protocolClass) {
+        //noinspection unchecked
+        return (P) protocol;
+    }
+
+    public <P extends AbstractProtocol<CU, ?, ?, SU>> P castProtocol() {
+        //noinspection unchecked
+        return (P) protocol;
+    }
+
+    public void clientbound(final ClientboundPacketType type, final Consumer<CU> action) {
+        action.accept(clientboundPacketType(type));
+    }
+
+    public void clientbound(final ClientboundPacketType type, final Consumer<CU> action, final PacketBound... markers) {
+        if (!shouldSkip(markers)) {
+            action.accept(clientboundPacketType(type));
+        }
+    }
+
+    public void clientboundHandler(final ClientboundPacketType type, final PacketHandler handler) {
+        protocol.registerClientbound(clientboundPacketType(type), handler);
+    }
+
+    public void clientboundHandler(final ClientboundPacketType type, final PacketHandler handler, final PacketBound... markers) {
+        if (!shouldSkip(markers)) {
+            protocol.registerClientbound(clientboundPacketType(type), handler);
+        }
+    }
+
+    public void serverbound(final ServerboundPacketType type, final Consumer<SU> action) {
+        action.accept(serverboundPacketType(type));
+    }
+
+    public void serverbound(final ServerboundPacketType type, final Consumer<SU> action, final PacketBound... markers) {
+        if (!shouldSkip(markers)) {
+            action.accept(serverboundPacketType(type));
+        }
+    }
+
+    public void serverboundHandler(final ServerboundPacketType type, final PacketHandler handler) {
+        protocol.registerServerbound(serverboundPacketType(type), handler);
+    }
+
+    public void serverboundHandler(final ServerboundPacketType type, final PacketHandler handler, final PacketBound... markers) {
+        if (!shouldSkip(markers)) {
+            protocol.registerServerbound(serverboundPacketType(type), handler);
+        }
+    }
+
+    private boolean shouldSkip(final PacketBound... markers) {
+        if (markers.length == 0) {
+            return false;
+        }
+
+        final ProtocolVersion serverVersion = protocol.getServerVersion();
+        final ProtocolVersion clientVersion = protocol.getClientVersion();
+        final ProtocolVersion lowerVersion = serverVersion.olderThan(clientVersion) ? serverVersion : clientVersion;
+        final ProtocolVersion higherVersion = serverVersion.newerThan(clientVersion) ? serverVersion : clientVersion;
+        for (final PacketBound marker : markers) {
+            switch (marker) {
+                case ADDED_AT_MIN -> {
+                    if (lowerVersion.olderThan(min)) {
+                        return true;
+                    }
+                }
+                case REMOVED_AT_MAX -> {
+                    Preconditions.checkArgument(max != null, "Cannot use REMOVED_AT_MAX in an open-ended range");
+                    if (higherVersion.newerThanOrEqualTo(max)) {
+                        return true;
+                    }
+                }
+            }
+        }
+        return false;
+    }
+
+    private SU serverboundPacketType(final ServerboundPacketType genericPacketType) {
+        final SU type = protocol.getPacketTypesProvider().unmappedServerboundType(genericPacketType.state(), genericPacketType.getName());
+        if (type == null) {
+            throw new IllegalArgumentException("Could not find serverbound packet type for " + genericPacketType.state() + " " + genericPacketType.getName());
+        }
+        return type;
+    }
+
+    private CU clientboundPacketType(final ClientboundPacketType genericPacketType) {
+        final CU type = protocol.getPacketTypesProvider().unmappedClientboundType(genericPacketType.state(), genericPacketType.getName());
+        if (type == null) {
+            throw new IllegalArgumentException("Could not find clientbound packet type for " + genericPacketType.state() + " " + genericPacketType.getName() + " in " + protocol.getClass().getSimpleName());
+        }
+        return type;
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocol/shared_registration/SharedRegistrations.java

@@ -0,0 +1,107 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocol.shared_registration;
+
+import com.viaversion.viaversion.api.protocol.AbstractProtocol;
+import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
+import com.viaversion.viaversion.api.protocol.packet.ServerboundPacketType;
+import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
+import com.viaversion.viaversion.api.protocol.version.VersionType;
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.EnumMap;
+import java.util.List;
+
+/**
+ * Central registry for shared packet registrations that are automatically applied
+ * to protocols based on their version range.
+ * <p>
+ * Registrations are done BEFORE registerPackets in {@link AbstractProtocol}.
+ */
+public final class SharedRegistrations {
+    private static final SharedRegistrations DEFAULT_REGISTRATIONS = new SharedRegistrations();
+
+    private final EnumMap<VersionType, List<VersionedTemplateGroup>> versionedTemplates = new EnumMap<>(VersionType.class);
+
+    /**
+     * Returns the default ViaVersion registration set.
+     */
+    public static SharedRegistrations defaultRegistrations() {
+        return DEFAULT_REGISTRATIONS;
+    }
+
+    /**
+     * Creates an independent shared registration set that external projects can populate and apply.
+     */
+    public static SharedRegistrations create() {
+        return new SharedRegistrations();
+    }
+
+    public RegistrationBuilder registrations() {
+        return new RegistrationBuilder(this);
+    }
+
+    /**
+     * Applies all shared registrations whose version range matches the given protocol.
+     *
+     * @param protocol the protocol to apply shared registrations to
+     */
+    public void applyMatching(final AbstractProtocol<?, ?, ?, ?> protocol) {
+        if (protocol.isBaseProtocol()) {
+            return;
+        }
+
+        final ProtocolVersion version = protocol.getServerVersion();
+        if (version.getVersionType() != protocol.getClientVersion().getVersionType()) {
+            // Built on continuous version ranges
+            return;
+        }
+
+        final List<VersionedTemplateGroup> groups = versionedTemplates.get(version.getVersionType());
+        if (groups == null) {
+            return;
+        }
+
+        for (final VersionedTemplateGroup group : groups) {
+            if (group.min().newerThan(version)) { // TODO binary search?
+                // Sorted by the minimum, so we can stop early if we're out
+                break;
+            }
+
+            if (group.max() != null && version.newerThanOrEqualTo(group.max())) {
+                continue;
+            }
+
+            final RegistrationContext<?, ?> context = new RegistrationContext<>(protocol, group.min(), group.max());
+            //noinspection unchecked,rawtypes
+            ((RegistrationAction) group.action()).accept(context);
+        }
+    }
+
+    @FunctionalInterface
+    public interface RegistrationAction<CU extends ClientboundPacketType, SU extends ServerboundPacketType> {
+
+        void accept(RegistrationContext<CU, SU> context);
+    }
+
+    void register(final VersionType versionType, final List<VersionedTemplateGroup> toAdd) {
+        final List<VersionedTemplateGroup> groups = versionedTemplates.computeIfAbsent(versionType, $ -> new ArrayList<>());
+        groups.addAll(toAdd);
+        groups.sort(Comparator.comparing(VersionedTemplateGroup::min, Comparator.nullsFirst(Comparator.naturalOrder())));
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocol/shared_registration/VersionedTemplateGroup.java

@@ -0,0 +1,32 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocol.shared_registration;
+
+import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
+import com.viaversion.viaversion.protocol.shared_registration.SharedRegistrations.RegistrationAction;
+
+record VersionedTemplateGroup(
+    RegistrationAction<?, ?> action,
+    ProtocolVersion min,
+    ProtocolVersion max
+) {
+
+    public boolean contains(final ProtocolVersion version) {
+        return version.newerThanOrEqualTo(min) && (max == null || version.olderThan(max));
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocol/shared_registration/def/BlockRegistrations.java

@@ -0,0 +1,95 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocol.shared_registration.def;
+
+import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
+import com.viaversion.viaversion.api.protocol.packet.ServerboundPacketType;
+import com.viaversion.viaversion.protocol.shared_registration.PacketBound;
+import com.viaversion.viaversion.protocol.shared_registration.RegistrationContext;
+import com.viaversion.viaversion.protocols.v1_12_2to1_13.packet.ClientboundPackets1_13;
+import com.viaversion.viaversion.protocols.v1_14_3to1_14_4.packet.ClientboundPackets1_14_4;
+import com.viaversion.viaversion.protocols.v1_16_1to1_16_2.packet.ClientboundPackets1_16_2;
+import com.viaversion.viaversion.protocols.v1_17_1to1_18.packet.ClientboundPackets1_18;
+import com.viaversion.viaversion.protocols.v1_18_2to1_19.packet.ClientboundPackets1_19;
+import com.viaversion.viaversion.protocols.v1_19_3to1_19_4.packet.ClientboundPackets1_19_4;
+import com.viaversion.viaversion.protocols.v1_20_5to1_21.packet.ClientboundPackets1_21;
+import com.viaversion.viaversion.rewriter.BlockRewriter;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+final class BlockRegistrations {
+
+    static <CU extends ClientboundPacketType> void registerBlockPackets1_13(final RegistrationContext<CU, ?> ctx, final BlockRewriter<CU> br) {
+        common1_13(ctx, br);
+        ctx.clientbound(ClientboundPackets1_13.CHUNK_BLOCKS_UPDATE, br::registerChunkBlocksUpdate);
+    }
+
+    private static <CU extends ClientboundPacketType> void common1_13(RegistrationContext<CU, ?> ctx, BlockRewriter<CU> br) {
+        ctx.clientbound(ClientboundPackets1_13.BLOCK_EVENT, br::registerBlockEvent);
+        ctx.clientbound(ClientboundPackets1_13.BLOCK_UPDATE, br::registerBlockUpdate);
+        ctx.clientbound(ClientboundPackets1_13.LEVEL_EVENT, br::registerLevelEvent1_13);
+    }
+
+    static <CU extends ClientboundPacketType> void registerBlockPackets1_14_4(final RegistrationContext<CU, ?> ctx, final BlockRewriter<CU> br) {
+        common1_13(ctx, br);
+        ctx.clientbound(ClientboundPackets1_14_4.CHUNK_BLOCKS_UPDATE, br::registerChunkBlocksUpdate, PacketBound.REMOVED_AT_MAX);
+        ctx.clientbound(ClientboundPackets1_14_4.BLOCK_BREAK_ACK, br::registerBlockBreakAck, PacketBound.ADDED_AT_MIN);
+    }
+
+    static <CU extends ClientboundPacketType> void registerBlockPackets1_16_2(final RegistrationContext<CU, ?> ctx, final BlockRewriter<CU> br) {
+        common1_13(ctx, br);
+        ctx.clientbound(ClientboundPackets1_16_2.BLOCK_BREAK_ACK, br::registerBlockBreakAck);
+        ctx.clientbound(ClientboundPackets1_16_2.SECTION_BLOCKS_UPDATE, br::registerSectionBlocksUpdate, PacketBound.ADDED_AT_MIN);
+    }
+
+    static <CU extends ClientboundPacketType> void registerBlockPackets1_18(final RegistrationContext<CU, ?> ctx, final BlockRewriter<CU> br) {
+        common1_13(ctx, br);
+        ctx.clientbound(ClientboundPackets1_18.BLOCK_BREAK_ACK, br::registerBlockBreakAck, PacketBound.REMOVED_AT_MAX);
+        ctx.clientbound(ClientboundPackets1_18.LEVEL_CHUNK_WITH_LIGHT, br::registerLevelChunk1_18, PacketBound.ADDED_AT_MIN);
+        ctx.clientbound(ClientboundPackets1_18.SECTION_BLOCKS_UPDATE, br::registerSectionBlocksUpdate);
+        ctx.clientbound(ClientboundPackets1_18.BLOCK_ENTITY_DATA, br::registerBlockEntityData1_18);
+    }
+
+    static <CU extends ClientboundPacketType> void registerBlockPackets1_19(final RegistrationContext<CU, ?> ctx, final BlockRewriter<CU> br) {
+        common1_19(ctx, br);
+        ctx.clientbound(ClientboundPackets1_19.LEVEL_EVENT, br::registerLevelEvent1_13);
+        ctx.clientbound(ClientboundPackets1_19.SECTION_BLOCKS_UPDATE, br::registerSectionBlocksUpdate);
+    }
+
+    private static <CU extends ClientboundPacketType> void common1_19(RegistrationContext<CU, ?> ctx, BlockRewriter<CU> br) {
+        ctx.clientbound(ClientboundPackets1_19.BLOCK_EVENT, br::registerBlockEvent);
+        ctx.clientbound(ClientboundPackets1_19.BLOCK_UPDATE, br::registerBlockUpdate);
+        ctx.clientbound(ClientboundPackets1_19.LEVEL_CHUNK_WITH_LIGHT, br::registerLevelChunk1_18);
+        ctx.clientbound(ClientboundPackets1_19.BLOCK_ENTITY_DATA, br::registerBlockEntityData1_18);
+    }
+
+    static <CU extends ClientboundPacketType> void registerBlockPackets1_20(final RegistrationContext<CU, ?> ctx, final BlockRewriter<CU> br) {
+        common1_19(ctx, br);
+        ctx.clientbound(ClientboundPackets1_19_4.LEVEL_EVENT, br::registerLevelEvent1_13);
+        ctx.clientbound(ClientboundPackets1_19_4.SECTION_BLOCKS_UPDATE, br::registerSectionBlocksUpdate1_20);
+    }
+
+    static <CU extends ClientboundPacketType> void registerBlockPackets1_21(final RegistrationContext<CU, ?> ctx, final BlockRewriter<CU> br) {
+        common1_19(ctx, br);
+        ctx.clientbound(ClientboundPackets1_21.LEVEL_EVENT, br::registerLevelEvent1_21);
+        ctx.clientbound(ClientboundPackets1_21.SECTION_BLOCKS_UPDATE, br::registerSectionBlocksUpdate1_20);
+    }
+
+    static @Nullable <CU extends ClientboundPacketType, SU extends ServerboundPacketType> BlockRewriter<CU> block(final RegistrationContext<CU, SU> ctx) {
+        return ctx.protocol().getBlockRewriter();
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocol/shared_registration/def/DefaultRegistrations.java

@@ -0,0 +1,110 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocol.shared_registration.def;
+
+import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
+import com.viaversion.viaversion.protocol.shared_registration.SharedRegistrations;
+
+public final class DefaultRegistrations {
+
+    public static void apply() {
+        SharedRegistrations.defaultRegistrations().registrations()
+            .ranges(EntityRegistrations::entity, ProtocolVersion.v1_13, b -> b
+                .to(ProtocolVersion.v1_14_4, EntityRegistrations::registerEntityPackets1_13)
+                .to(ProtocolVersion.v1_16_2, EntityRegistrations::registerEntityPackets1_14_4)
+                .to(ProtocolVersion.v1_17_1, EntityRegistrations::registerEntityPackets1_16_2)
+                .to(ProtocolVersion.v1_19, EntityRegistrations::registerEntityPackets1_17_1)
+                .to(ProtocolVersion.v1_20_5, EntityRegistrations::registerEntityPackets1_19)
+                .to(ProtocolVersion.v1_21_4, EntityRegistrations::registerEntityPackets1_20_5)
+                .to(ProtocolVersion.v1_21_9, EntityRegistrations::registerEntityPackets1_21_4)
+                .since(EntityRegistrations::registerEntityPackets1_21_9)
+            )
+
+            .ranges(ItemRegistrations::item, ProtocolVersion.v1_13, b -> b
+                .to(ProtocolVersion.v1_14, ItemRegistrations::registerItemPackets1_13)
+                .to(ProtocolVersion.v1_14_4, ItemRegistrations::registerItemPackets1_14)
+                .to(ProtocolVersion.v1_16, ItemRegistrations::registerItemPackets1_14_4)
+                .to(ProtocolVersion.v1_17_1, ItemRegistrations::registerItemPackets1_16)
+                .to(ProtocolVersion.v1_19_1, ItemRegistrations::registerItemPackets1_17_1)
+                .to(ProtocolVersion.v1_20_3, ItemRegistrations::registerItemPackets1_19_1)
+                .to(ProtocolVersion.v1_20_5, ItemRegistrations::registerItemPackets1_20_3)
+                .to(ProtocolVersion.v1_21, ItemRegistrations::registerItemPackets1_20_5)
+                .to(ProtocolVersion.v1_21_2, ItemRegistrations::registerItemPackets1_21)
+                .to(ProtocolVersion.v1_21_5, ItemRegistrations::registerItemPackets1_21_2)
+            )
+            .ranges(ItemRegistrations::structuredItem, ProtocolVersion.v1_21_5, b -> b
+                .to(ProtocolVersion.v1_21_6, ItemRegistrations::registerItemPackets1_21_5)
+                .since(ItemRegistrations::registerItemPackets1_21_6)
+            )
+
+            .ranges(BlockRegistrations::block, ProtocolVersion.v1_13, steps -> steps
+                .to(ProtocolVersion.v1_14_4, BlockRegistrations::registerBlockPackets1_13)
+                .to(ProtocolVersion.v1_16_2, BlockRegistrations::registerBlockPackets1_14_4)
+                .to(ProtocolVersion.v1_18, BlockRegistrations::registerBlockPackets1_16_2)
+                .to(ProtocolVersion.v1_19, BlockRegistrations::registerBlockPackets1_18)
+                .to(ProtocolVersion.v1_20, BlockRegistrations::registerBlockPackets1_19)
+                .to(ProtocolVersion.v1_21, BlockRegistrations::registerBlockPackets1_20)
+                .since(BlockRegistrations::registerBlockPackets1_21)
+            )
+
+            .ranges(ParticleRegistrations::particle, ProtocolVersion.v1_13, steps -> steps
+                .to(ProtocolVersion.v1_15_2, ParticleRegistrations::registerParticlePackets1_13)
+                .to(ProtocolVersion.v1_19, ParticleRegistrations::registerParticlePackets1_15_2)
+                .to(ProtocolVersion.v1_20, ParticleRegistrations::registerParticlePackets1_19)
+                .to(ProtocolVersion.v1_20_5, ParticleRegistrations::registerParticlePackets1_20)
+                .to(ProtocolVersion.v1_21_2, ParticleRegistrations::registerParticlePackets1_20_5)
+                .to(ProtocolVersion.v1_21_4, ParticleRegistrations::registerParticlePackets1_21_2)
+                .to(ProtocolVersion.v1_21_9, ParticleRegistrations::registerParticlePackets1_21_4)
+                .since(ParticleRegistrations::registerParticlePackets1_21_9)
+            )
+
+            .ranges(TextComponentRegistrations::text, ProtocolVersion.v1_12_2, b -> b
+                .to(ProtocolVersion.v1_14, TextComponentRegistrations::registerComponents1_12_2)
+                .to(ProtocolVersion.v1_16_2, TextComponentRegistrations::registerComponents1_14)
+                .to(ProtocolVersion.v1_17, TextComponentRegistrations::registerComponents1_16_2)
+                .to(ProtocolVersion.v1_19, TextComponentRegistrations::registerComponents1_17)
+                .to(ProtocolVersion.v1_20_3, TextComponentRegistrations::registerComponents1_19)
+                .to(ProtocolVersion.v1_20_5, TextComponentRegistrations::registerComponents1_20_3)
+                .to(ProtocolVersion.v1_21, TextComponentRegistrations::registerComponents1_20_5)
+                .to(ProtocolVersion.v1_21_4, TextComponentRegistrations::registerComponents1_21)
+                .to(ProtocolVersion.v1_21_5, TextComponentRegistrations::registerComponents1_21_4)
+            )
+            .ranges(TextComponentRegistrations::nbtText, ProtocolVersion.v1_21_5, b -> b
+                .since(TextComponentRegistrations::registerComponents1_21_5)
+            )
+
+            .ranges(ProtocolVersion.v1_17_1, sbeps -> sbeps
+                .to(ProtocolVersion.v1_20_2, RegistryRegistrations::registerTags1_17_1)
+                .since(RegistryRegistrations::registerTags1_20_2)
+            )
+
+            .ranges(ProtocolVersion.v1_10, b -> b
+                .to(ProtocolVersion.v1_14, RegistryRegistrations::registerSounds1_10)
+                .to(ProtocolVersion.v1_19_3, RegistryRegistrations::registerSounds1_14)
+                .since(RegistryRegistrations::registerSounds1_19_3)
+            )
+
+            .since(ProtocolVersion.v1_13, RegistryRegistrations::registerStatistics1_13)
+            .since(ProtocolVersion.v1_19, RegistryRegistrations::registerCommands1_19)
+            .since(ProtocolVersion.v1_21, RegistryRegistrations::registerRegistryData1_21)
+            .since(ProtocolVersion.v1_21, RegistryRegistrations::registerAttributes1_21)
+            .since(ProtocolVersion.v1_21_2, RegistryRegistrations::registerRecipePackets1_21_2)
+
+            .register();
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocol/shared_registration/def/EntityRegistrations.java

@@ -0,0 +1,96 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocol.shared_registration.def;
+
+import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
+import com.viaversion.viaversion.api.protocol.packet.ServerboundPacketType;
+import com.viaversion.viaversion.protocol.shared_registration.PacketBound;
+import com.viaversion.viaversion.protocol.shared_registration.RegistrationContext;
+import com.viaversion.viaversion.protocols.v1_12_2to1_13.packet.ClientboundPackets1_13;
+import com.viaversion.viaversion.protocols.v1_14_3to1_14_4.packet.ClientboundPackets1_14_4;
+import com.viaversion.viaversion.protocols.v1_18_2to1_19.packet.ClientboundPackets1_19;
+import com.viaversion.viaversion.protocols.v1_20_3to1_20_5.packet.ClientboundPackets1_20_5;
+import com.viaversion.viaversion.protocols.v1_21_7to1_21_9.packet.ClientboundPackets1_21_9;
+import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPackets1_21_2;
+import com.viaversion.viaversion.protocols.v1_8to1_9.packet.ClientboundPackets1_9;
+import com.viaversion.viaversion.rewriter.EntityRewriter;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+final class EntityRegistrations {
+
+    static <CU extends ClientboundPacketType> void registerEntityPackets1_13(final RegistrationContext<CU, ?> ctx, final EntityRewriter<CU, ?> er) {
+        ctx.clientbound(ClientboundPackets1_13.REMOVE_ENTITIES, er::registerRemoveEntities);
+    }
+
+    static <CU extends ClientboundPacketType> void registerEntityPackets1_14_4(final RegistrationContext<CU, ?> ctx, final EntityRewriter<CU, ?> er) {
+        ctx.clientbound(ClientboundPackets1_14_4.REMOVE_ENTITIES, er::registerRemoveEntities);
+        ctx.clientbound(ClientboundPackets1_14_4.ADD_ENTITY, er::registerTrackerWithData);
+        ctx.clientbound(ClientboundPackets1_14_4.ADD_MOB, er::registerTracker);
+    }
+
+    static <CU extends ClientboundPacketType> void registerEntityPackets1_16_2(final RegistrationContext<CU, ?> ctx, final EntityRewriter<CU, ?> er) {
+        // remove_entities got temporarily changed to only take a single entity...
+        ctx.clientbound(ClientboundPackets1_14_4.ADD_ENTITY, er::registerTrackerWithData);
+        ctx.clientbound(ClientboundPackets1_14_4.ADD_MOB, er::registerTracker);
+    }
+
+    static <CU extends ClientboundPacketType> void registerEntityPackets1_17_1(final RegistrationContext<CU, ?> ctx, final EntityRewriter<CU, ?> er) {
+        ctx.clientbound(ClientboundPackets1_14_4.REMOVE_ENTITIES, er::registerRemoveEntities);
+        ctx.clientbound(ClientboundPackets1_14_4.ADD_ENTITY, er::registerTrackerWithData);
+        ctx.clientbound(ClientboundPackets1_14_4.ADD_MOB, er::registerTracker, PacketBound.REMOVED_AT_MAX);
+    }
+
+    static <CU extends ClientboundPacketType> void registerEntityPackets1_19(final RegistrationContext<CU, ?> ctx, final EntityRewriter<CU, ?> er) {
+        ctx.clientbound(ClientboundPackets1_9.REMOVE_ENTITIES, er::registerRemoveEntities);
+        ctx.clientbound(ClientboundPackets1_19.ADD_ENTITY, er::registerTrackerWithData1_19);
+    }
+
+    static <CU extends ClientboundPacketType> void registerEntityPackets1_20_5(final RegistrationContext<CU, ?> ctx, final EntityRewriter<CU, ?> er) {
+        common1_20_5(ctx, er);
+        ctx.clientbound(ClientboundPackets1_19.ADD_ENTITY, er::registerTrackerWithData1_19);
+    }
+
+    static <CU extends ClientboundPacketType> void registerEntityPackets1_21_4(final RegistrationContext<CU, ?> ctx, final EntityRewriter<CU, ?> er) {
+        common1_20_5(ctx, er);
+        registerGameModeTrackers1_21_4(ctx, er);
+        ctx.clientbound(ClientboundPackets1_21_2.ADD_ENTITY, er::registerTrackerWithData1_19);
+    }
+
+    static <CU extends ClientboundPacketType> void registerEntityPackets1_21_9(final RegistrationContext<CU, ?> ctx, final EntityRewriter<CU, ?> er) {
+        common1_20_5(ctx, er);
+        registerGameModeTrackers1_21_4(ctx, er);
+        ctx.clientbound(ClientboundPackets1_21_9.ADD_ENTITY, er::registerTrackerWithData1_21_9);
+    }
+
+    private static <CU extends ClientboundPacketType> void common1_20_5(final RegistrationContext<CU, ?> ctx, final EntityRewriter<CU, ?> er) {
+        ctx.clientbound(ClientboundPackets1_20_5.SET_ENTITY_DATA, er::registerSetEntityData);
+        ctx.clientbound(ClientboundPackets1_20_5.REMOVE_ENTITIES, er::registerRemoveEntities);
+        ctx.clientbound(ClientboundPackets1_20_5.LOGIN, er::registerLogin1_20_5);
+        ctx.clientbound(ClientboundPackets1_20_5.RESPAWN, er::registerRespawn1_20_5);
+    }
+
+    private static <CU extends ClientboundPacketType> void registerGameModeTrackers1_21_4(final RegistrationContext<CU, ?> ctx, final EntityRewriter<CU, ?> er) {
+        ctx.clientbound(ClientboundPackets1_21_2.GAME_EVENT, er::registerGameEvent);
+        ctx.clientbound(ClientboundPackets1_21_2.PLAYER_ABILITIES, er::registerPlayerAbilities);
+    }
+
+
+    static @Nullable <CU extends ClientboundPacketType, SU extends ServerboundPacketType> EntityRewriter<CU, ?> entity(final RegistrationContext<CU, SU> ctx) {
+        return (EntityRewriter<CU, ?>) ctx.protocol().getEntityRewriter();
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocol/shared_registration/def/ItemRegistrations.java

@@ -0,0 +1,185 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocol.shared_registration.def;
+
+import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
+import com.viaversion.viaversion.api.protocol.packet.ServerboundPacketType;
+import com.viaversion.viaversion.protocol.shared_registration.PacketBound;
+import com.viaversion.viaversion.protocol.shared_registration.RegistrationContext;
+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_13_2to1_14.packet.ClientboundPackets1_14;
+import com.viaversion.viaversion.protocols.v1_14_3to1_14_4.packet.ClientboundPackets1_14_4;
+import com.viaversion.viaversion.protocols.v1_15_2to1_16.packet.ClientboundPackets1_16;
+import com.viaversion.viaversion.protocols.v1_16_4to1_17.packet.ServerboundPackets1_17;
+import com.viaversion.viaversion.protocols.v1_17to1_17_1.packet.ClientboundPackets1_17_1;
+import com.viaversion.viaversion.protocols.v1_19_1to1_19_3.packet.ServerboundPackets1_19_3;
+import com.viaversion.viaversion.protocols.v1_19_3to1_19_4.packet.ClientboundPackets1_19_4;
+import com.viaversion.viaversion.protocols.v1_19to1_19_1.packet.ClientboundPackets1_19_1;
+import com.viaversion.viaversion.protocols.v1_20_2to1_20_3.packet.ClientboundPackets1_20_3;
+import com.viaversion.viaversion.protocols.v1_20_2to1_20_3.packet.ServerboundPackets1_20_3;
+import com.viaversion.viaversion.protocols.v1_20_3to1_20_5.packet.ClientboundPackets1_20_5;
+import com.viaversion.viaversion.protocols.v1_20_3to1_20_5.packet.ServerboundPackets1_20_5;
+import com.viaversion.viaversion.protocols.v1_20_5to1_21.packet.ClientboundPackets1_21;
+import com.viaversion.viaversion.protocols.v1_20to1_20_2.packet.ClientboundPackets1_20_2;
+import com.viaversion.viaversion.protocols.v1_20to1_20_2.packet.ServerboundPackets1_20_2;
+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.ServerboundPackets1_21_5;
+import com.viaversion.viaversion.protocols.v1_21_5to1_21_6.packet.ClientboundConfigurationPackets1_21_6;
+import com.viaversion.viaversion.protocols.v1_21_5to1_21_6.packet.ClientboundPackets1_21_6;
+import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPackets1_21_2;
+import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ServerboundPackets1_21_2;
+import com.viaversion.viaversion.rewriter.ItemRewriter;
+import com.viaversion.viaversion.rewriter.StructuredItemRewriter;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+final class ItemRegistrations {
+
+    static <CU extends ClientboundPacketType, SU extends ServerboundPacketType> void registerItemPackets1_13(final RegistrationContext<CU, SU> ctx, final ItemRewriter<CU, SU, ?> ir) {
+        common1_13(ctx, ir);
+        ctx.clientbound(ClientboundPackets1_13.SET_EQUIPPED_ITEM, ir::registerSetEquippedItem);
+    }
+
+    private static <CU extends ClientboundPacketType, SU extends ServerboundPacketType> void common1_13(final RegistrationContext<CU, SU> ctx, final ItemRewriter<CU, SU, ?> ir) {
+        ctx.clientbound(ClientboundPackets1_13.CONTAINER_SET_DATA, ir::registerContainerSetData);
+        ctx.clientbound(ClientboundPackets1_13.CONTAINER_SET_SLOT, ir::registerSetSlot);
+        ctx.clientbound(ClientboundPackets1_13.CONTAINER_SET_CONTENT, ir::registerSetContent);
+        ctx.clientbound(ClientboundPackets1_13.UPDATE_ADVANCEMENTS, ir::registerAdvancements);
+        ctx.clientbound(ClientboundPackets1_13.COOLDOWN, ir::registerCooldown);
+        ctx.serverbound(ServerboundPackets1_13.CONTAINER_CLICK, ir::registerContainerClick);
+        ctx.serverbound(ServerboundPackets1_13.SET_CREATIVE_MODE_SLOT, ir::registerSetCreativeModeSlot);
+    }
+
+    static <CU extends ClientboundPacketType, SU extends ServerboundPacketType> void registerItemPackets1_14(final RegistrationContext<CU, SU> ctx, final ItemRewriter<CU, SU, ?> ir) {
+        common1_13(ctx, ir);
+        ctx.clientbound(ClientboundPackets1_14.SET_EQUIPPED_ITEM, ir::registerSetEquippedItem);
+        ctx.clientbound(ClientboundPackets1_14.OPEN_SCREEN, ir::registerOpenScreen);
+    }
+
+    static <CU extends ClientboundPacketType, SU extends ServerboundPacketType> void registerItemPackets1_14_4(final RegistrationContext<CU, SU> ctx, final ItemRewriter<CU, SU, ?> ir) {
+        common1_13(ctx, ir);
+        ctx.clientbound(ClientboundPackets1_14_4.SET_EQUIPPED_ITEM, ir::registerSetEquippedItem, PacketBound.REMOVED_AT_MAX);
+        ctx.clientbound(ClientboundPackets1_14_4.OPEN_SCREEN, ir::registerOpenScreen);
+        ctx.clientbound(ClientboundPackets1_14_4.MERCHANT_OFFERS, ir::registerMerchantOffers1_14_4);
+    }
+
+    static <CU extends ClientboundPacketType, SU extends ServerboundPacketType> void registerItemPackets1_16(final RegistrationContext<CU, SU> ctx, final ItemRewriter<CU, SU, ?> ir) {
+        common1_13(ctx, ir);
+        ctx.clientbound(ClientboundPackets1_16.SET_EQUIPMENT, ir::registerSetEquipment, PacketBound.ADDED_AT_MIN);
+        ctx.clientbound(ClientboundPackets1_16.OPEN_SCREEN, ir::registerOpenScreen);
+        ctx.clientbound(ClientboundPackets1_16.MERCHANT_OFFERS, ir::registerMerchantOffers1_14_4);
+    }
+
+    static <CU extends ClientboundPacketType, SU extends ServerboundPacketType> void registerItemPackets1_17_1(final RegistrationContext<CU, SU> ctx, final ItemRewriter<CU, SU, ?> ir) {
+        ctx.clientbound(ClientboundPackets1_17_1.CONTAINER_SET_DATA, ir::registerContainerSetData);
+        ctx.clientbound(ClientboundPackets1_17_1.CONTAINER_SET_SLOT, ir::registerSetSlot1_17_1);
+        ctx.clientbound(ClientboundPackets1_17_1.CONTAINER_SET_CONTENT, ir::registerSetContent1_17_1);
+        ctx.clientbound(ClientboundPackets1_17_1.UPDATE_ADVANCEMENTS, ir::registerAdvancements);
+        ctx.clientbound(ClientboundPackets1_17_1.COOLDOWN, ir::registerCooldown);
+        ctx.serverbound(ServerboundPackets1_17.CONTAINER_CLICK, ir::registerContainerClick1_17_1);
+        ctx.serverbound(ServerboundPackets1_17.SET_CREATIVE_MODE_SLOT, ir::registerSetCreativeModeSlot);
+        ctx.clientbound(ClientboundPackets1_17_1.SET_EQUIPMENT, ir::registerSetEquipment);
+        ctx.clientbound(ClientboundPackets1_17_1.OPEN_SCREEN, ir::registerOpenScreen);
+        ctx.clientbound(ClientboundPackets1_17_1.MERCHANT_OFFERS, ir::registerMerchantOffers1_14_4);
+    }
+
+    static <CU extends ClientboundPacketType, SU extends ServerboundPacketType> void registerItemPackets1_19_1(final RegistrationContext<CU, SU> ctx, final ItemRewriter<CU, SU, ?> ir) {
+        ctx.clientbound(ClientboundPackets1_19_1.CONTAINER_SET_DATA, ir::registerContainerSetData);
+        ctx.clientbound(ClientboundPackets1_19_1.CONTAINER_SET_SLOT, ir::registerSetSlot1_17_1);
+        ctx.clientbound(ClientboundPackets1_19_1.CONTAINER_SET_CONTENT, ir::registerSetContent1_17_1);
+        ctx.clientbound(ClientboundPackets1_19_1.UPDATE_ADVANCEMENTS, ir::registerAdvancements);
+        ctx.clientbound(ClientboundPackets1_19_1.COOLDOWN, ir::registerCooldown);
+        ctx.serverbound(ServerboundPackets1_19_3.CONTAINER_CLICK, ir::registerContainerClick1_17_1);
+        ctx.serverbound(ServerboundPackets1_19_3.SET_CREATIVE_MODE_SLOT, ir::registerSetCreativeModeSlot);
+        ctx.clientbound(ClientboundPackets1_19_1.SET_EQUIPMENT, ir::registerSetEquipment);
+        ctx.clientbound(ClientboundPackets1_19_1.OPEN_SCREEN, ir::registerOpenScreen);
+        ctx.clientbound(ClientboundPackets1_19_1.MERCHANT_OFFERS, ir::registerMerchantOffers1_19);
+    }
+
+    static <CU extends ClientboundPacketType, SU extends ServerboundPacketType> void registerItemPackets1_20_3(final RegistrationContext<CU, SU> ctx, final ItemRewriter<CU, SU, ?> ir) {
+        ctx.clientbound(ClientboundPackets1_20_3.CONTAINER_SET_DATA, ir::registerContainerSetData);
+        ctx.clientbound(ClientboundPackets1_20_3.CONTAINER_SET_SLOT, ir::registerSetSlot1_17_1);
+        ctx.clientbound(ClientboundPackets1_20_3.CONTAINER_SET_CONTENT, ir::registerSetContent1_17_1);
+        ctx.clientbound(ClientboundPackets1_20_5.UPDATE_ADVANCEMENTS, ir::registerAdvancements1_20_3);
+        ctx.clientbound(ClientboundPackets1_20_3.COOLDOWN, ir::registerCooldown);
+        ctx.serverbound(ServerboundPackets1_20_3.CONTAINER_CLICK, ir::registerContainerClick1_17_1);
+        ctx.serverbound(ServerboundPackets1_20_2.SET_CREATIVE_MODE_SLOT, ir::registerSetCreativeModeSlot);
+        ctx.clientbound(ClientboundPackets1_20_5.SET_EQUIPMENT, ir::registerSetEquipment);
+        ctx.clientbound(ClientboundPackets1_19_4.OPEN_SCREEN, ir::registerOpenScreen);
+        ctx.clientbound(ClientboundPackets1_20_2.MERCHANT_OFFERS, ir::registerMerchantOffers1_19);
+    }
+
+    static <CU extends ClientboundPacketType, SU extends ServerboundPacketType> void registerItemPackets1_20_5(final RegistrationContext<CU, SU> ctx, final ItemRewriter<CU, SU, ?> ir) {
+        ctx.clientbound(ClientboundPackets1_20_3.CONTAINER_SET_DATA, ir::registerContainerSetData);
+        registerItemPackets1_21(ctx, ir);
+    }
+
+    static <CU extends ClientboundPacketType, SU extends ServerboundPacketType> void registerItemPackets1_21(final RegistrationContext<CU, SU> ctx, final ItemRewriter<CU, SU, ?> ir) {
+        ctx.clientbound(ClientboundPackets1_21.CONTAINER_SET_SLOT, ir::registerSetSlot1_17_1);
+        ctx.clientbound(ClientboundPackets1_21.CONTAINER_SET_CONTENT, ir::registerSetContent1_17_1);
+        ctx.clientbound(ClientboundPackets1_21.UPDATE_ADVANCEMENTS, ir::registerAdvancements1_20_3);
+        ctx.clientbound(ClientboundPackets1_21.COOLDOWN, ir::registerCooldown);
+        ctx.serverbound(ServerboundPackets1_20_5.CONTAINER_CLICK, ir::registerContainerClick1_17_1);
+        ctx.serverbound(ServerboundPackets1_20_5.SET_CREATIVE_MODE_SLOT, ir::registerSetCreativeModeSlot);
+        ctx.clientbound(ClientboundPackets1_21.SET_EQUIPMENT, ir::registerSetEquipment);
+        ctx.clientbound(ClientboundPackets1_21.OPEN_SCREEN, ir::registerOpenScreen);
+        ctx.clientbound(ClientboundPackets1_21.MERCHANT_OFFERS, ir::registerMerchantOffers1_20_5);
+    }
+
+    static <CU extends ClientboundPacketType, SU extends ServerboundPacketType> void registerItemPackets1_21_2(final RegistrationContext<CU, SU> ctx, final ItemRewriter<CU, SU, ?> ir) {
+        ctx.clientbound(ClientboundPackets1_21_2.CONTAINER_SET_SLOT, ir::registerSetSlot1_21_2);
+        ctx.clientbound(ClientboundPackets1_21_2.CONTAINER_SET_CONTENT, ir::registerSetContent1_21_2);
+        ctx.clientbound(ClientboundPackets1_21_2.UPDATE_ADVANCEMENTS, ir::registerAdvancements1_20_3);
+        ctx.clientbound(ClientboundPackets1_21_2.COOLDOWN, ir::registerCooldown1_21_2);
+        ctx.serverbound(ServerboundPackets1_21_2.CONTAINER_CLICK, ir::registerContainerClick1_21_2);
+        ctx.serverbound(ServerboundPackets1_21_2.SET_CREATIVE_MODE_SLOT, ir::registerSetCreativeModeSlot);
+        ctx.clientbound(ClientboundPackets1_21_2.SET_EQUIPMENT, ir::registerSetEquipment);
+        ctx.clientbound(ClientboundPackets1_21_2.OPEN_SCREEN, ir::registerOpenScreen);
+        ctx.clientbound(ClientboundPackets1_21_2.MERCHANT_OFFERS, ir::registerMerchantOffers1_20_5);
+        ctx.clientbound(ClientboundPackets1_21_2.SET_PLAYER_INVENTORY, ir::registerSetPlayerInventory, PacketBound.ADDED_AT_MIN);
+        ctx.clientbound(ClientboundPackets1_21_2.SET_CURSOR_ITEM, ir::registerSetCursorItem, PacketBound.ADDED_AT_MIN);
+    }
+
+    static <CU extends ClientboundPacketType, SU extends ServerboundPacketType> void registerItemPackets1_21_5(final RegistrationContext<CU, SU> ctx, final StructuredItemRewriter<CU, SU, ?> ir) {
+        ctx.clientbound(ClientboundPackets1_21_5.CONTAINER_SET_SLOT, ir::registerSetSlot1_21_2);
+        ctx.clientbound(ClientboundPackets1_21_5.CONTAINER_SET_CONTENT, ir::registerSetContent1_21_2);
+        ctx.clientbound(ClientboundPackets1_21_5.UPDATE_ADVANCEMENTS, ir::registerAdvancements1_20_3);
+        ctx.clientbound(ClientboundPackets1_21_5.COOLDOWN, ir::registerCooldown1_21_2);
+        ctx.serverbound(ServerboundPackets1_21_5.CONTAINER_CLICK, ir::registerContainerClick1_21_5);
+        ctx.serverbound(ServerboundPackets1_21_5.SET_CREATIVE_MODE_SLOT, ir::registerSetCreativeModeSlot1_21_5);
+        ctx.clientbound(ClientboundPackets1_21_5.SET_EQUIPMENT, ir::registerSetEquipment);
+        ctx.clientbound(ClientboundPackets1_21_5.OPEN_SCREEN, ir::registerOpenScreen);
+        ctx.clientbound(ClientboundPackets1_21_5.MERCHANT_OFFERS, ir::registerMerchantOffers1_20_5);
+        ctx.clientbound(ClientboundPackets1_21_5.SET_PLAYER_INVENTORY, ir::registerSetPlayerInventory);
+        ctx.clientbound(ClientboundPackets1_21_5.SET_CURSOR_ITEM, ir::registerSetCursorItem);
+    }
+
+    static <CU extends ClientboundPacketType, SU extends ServerboundPacketType> void registerItemPackets1_21_6(final RegistrationContext<CU, SU> ctx, final StructuredItemRewriter<CU, SU, ?> ir) {
+        registerItemPackets1_21_5(ctx, ir);
+        ctx.clientbound(ClientboundPackets1_21_6.SHOW_DIALOG, ir::registerShowDialog, PacketBound.ADDED_AT_MIN);
+        ctx.clientbound(ClientboundConfigurationPackets1_21_6.SHOW_DIALOG, ir::registerShowDialogDirect, PacketBound.ADDED_AT_MIN);
+    }
+
+    static @Nullable <CU extends ClientboundPacketType, SU extends ServerboundPacketType> ItemRewriter<CU, SU, ?> item(final RegistrationContext<CU, SU> ctx) {
+        return (ItemRewriter<CU, SU, ?>) ctx.protocol().getItemRewriter();
+    }
+
+    static @Nullable <CU extends ClientboundPacketType, SU extends ServerboundPacketType> StructuredItemRewriter<CU, SU, ?> structuredItem(final RegistrationContext<CU, SU> ctx) {
+        return (StructuredItemRewriter<CU, SU, ?>) ctx.protocol().getItemRewriter();
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocol/shared_registration/def/ParticleRegistrations.java

@@ -0,0 +1,74 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocol.shared_registration.def;
+
+import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
+import com.viaversion.viaversion.api.protocol.packet.ServerboundPacketType;
+import com.viaversion.viaversion.api.type.Types;
+import com.viaversion.viaversion.protocol.shared_registration.RegistrationContext;
+import com.viaversion.viaversion.protocols.v1_12_2to1_13.packet.ClientboundPackets1_13;
+import com.viaversion.viaversion.protocols.v1_14_4to1_15.packet.ClientboundPackets1_15;
+import com.viaversion.viaversion.protocols.v1_18_2to1_19.packet.ClientboundPackets1_19;
+import com.viaversion.viaversion.protocols.v1_20_3to1_20_5.packet.ClientboundPackets1_20_5;
+import com.viaversion.viaversion.protocols.v1_21_7to1_21_9.packet.ClientboundPackets1_21_9;
+import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPackets1_21_2;
+import com.viaversion.viaversion.rewriter.ParticleRewriter;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+final class ParticleRegistrations {
+
+    static <CU extends ClientboundPacketType> void registerParticlePackets1_13(final RegistrationContext<CU, ?> ctx, final ParticleRewriter<CU> pr) {
+        ctx.clientbound(ClientboundPackets1_13.LEVEL_PARTICLES, type -> pr.registerLevelParticles1_13(type, Types.FLOAT));
+    }
+
+    static <CU extends ClientboundPacketType> void registerParticlePackets1_15_2(final RegistrationContext<CU, ?> ctx, final ParticleRewriter<CU> pr) {
+        ctx.clientbound(ClientboundPackets1_15.LEVEL_PARTICLES, type -> pr.registerLevelParticles1_13(type, Types.DOUBLE));
+    }
+
+    static <CU extends ClientboundPacketType> void registerParticlePackets1_19(final RegistrationContext<CU, ?> ctx, final ParticleRewriter<CU> pr) {
+        ctx.clientbound(ClientboundPackets1_19.LEVEL_PARTICLES, pr::registerLevelParticles1_19);
+    }
+
+    static <CU extends ClientboundPacketType> void registerParticlePackets1_20(final RegistrationContext<CU, ?> ctx, final ParticleRewriter<CU> pr) {
+        ctx.clientbound(ClientboundPackets1_19.LEVEL_PARTICLES, pr::registerLevelParticles1_19);
+    }
+
+    static <CU extends ClientboundPacketType> void registerParticlePackets1_20_5(final RegistrationContext<CU, ?> ctx, final ParticleRewriter<CU> pr) {
+        ctx.clientbound(ClientboundPackets1_20_5.LEVEL_PARTICLES, pr::registerLevelParticles1_20_5);
+        ctx.clientbound(ClientboundPackets1_20_5.EXPLODE, pr::registerExplode1_20_5);
+    }
+
+    static <CU extends ClientboundPacketType> void registerParticlePackets1_21_2(final RegistrationContext<CU, ?> ctx, final ParticleRewriter<CU> pr) {
+        ctx.clientbound(ClientboundPackets1_21_2.LEVEL_PARTICLES, pr::registerLevelParticles1_20_5);
+        ctx.clientbound(ClientboundPackets1_21_2.EXPLODE, pr::registerExplode1_21_2);
+    }
+
+    static <CU extends ClientboundPacketType> void registerParticlePackets1_21_4(final RegistrationContext<CU, ?> ctx, final ParticleRewriter<CU> pr) {
+        ctx.clientbound(ClientboundPackets1_21_2.LEVEL_PARTICLES, pr::registerLevelParticles1_21_4);
+        ctx.clientbound(ClientboundPackets1_21_2.EXPLODE, pr::registerExplode1_21_2);
+    }
+
+    static <CU extends ClientboundPacketType> void registerParticlePackets1_21_9(final RegistrationContext<CU, ?> ctx, final ParticleRewriter<CU> pr) {
+        ctx.clientbound(ClientboundPackets1_21_9.LEVEL_PARTICLES, pr::registerLevelParticles1_21_4);
+        ctx.clientbound(ClientboundPackets1_21_9.EXPLODE, pr::registerExplode1_21_9);
+    }
+
+    static @Nullable <CU extends ClientboundPacketType, SU extends ServerboundPacketType> ParticleRewriter<CU> particle(final RegistrationContext<CU, SU> ctx) {
+        return (ParticleRewriter<CU>) ctx.protocol().getParticleRewriter();
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocol/shared_registration/def/RegistryRegistrations.java

@@ -0,0 +1,105 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocol.shared_registration.def;
+
+import com.viaversion.viaversion.api.data.Mappings;
+import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
+import com.viaversion.viaversion.protocol.shared_registration.PacketBound;
+import com.viaversion.viaversion.protocol.shared_registration.RegistrationContext;
+import com.viaversion.viaversion.protocols.v1_12_2to1_13.packet.ClientboundPackets1_13;
+import com.viaversion.viaversion.protocols.v1_13_2to1_14.packet.ClientboundPackets1_14;
+import com.viaversion.viaversion.protocols.v1_17to1_17_1.packet.ClientboundPackets1_17_1;
+import com.viaversion.viaversion.protocols.v1_19_1to1_19_3.packet.ClientboundPackets1_19_3;
+import com.viaversion.viaversion.protocols.v1_19_3to1_19_4.rewriter.CommandRewriter1_19_4;
+import com.viaversion.viaversion.protocols.v1_20_5to1_21.packet.ClientboundConfigurationPackets1_21;
+import com.viaversion.viaversion.protocols.v1_20_5to1_21.packet.ClientboundPackets1_21;
+import com.viaversion.viaversion.protocols.v1_20to1_20_2.packet.ClientboundConfigurationPackets1_20_2;
+import com.viaversion.viaversion.protocols.v1_20to1_20_2.packet.ClientboundPackets1_20_2;
+import com.viaversion.viaversion.protocols.v1_21to1_21_2.packet.ClientboundPackets1_21_2;
+import com.viaversion.viaversion.protocols.v1_9_1to1_9_3.packet.ClientboundPackets1_9_3;
+import com.viaversion.viaversion.rewriter.AttributeRewriter;
+import com.viaversion.viaversion.rewriter.RecipeDisplayRewriter;
+import com.viaversion.viaversion.rewriter.SoundRewriter;
+import com.viaversion.viaversion.rewriter.StatisticsRewriter;
+import com.viaversion.viaversion.rewriter.TagRewriter;
+
+final class RegistryRegistrations {
+
+    static <CU extends ClientboundPacketType> void registerTags1_17_1(final RegistrationContext<CU, ?> ctx) {
+        if (ctx.protocol().getTagRewriter() instanceof final TagRewriter tagRewriter) {
+            ctx.clientbound(ClientboundPackets1_17_1.UPDATE_TAGS, tagRewriter::registerGeneric);
+        }
+    }
+
+    static <CU extends ClientboundPacketType> void registerTags1_20_2(final RegistrationContext<CU, ?> ctx) {
+        if (ctx.protocol().getTagRewriter() instanceof final TagRewriter tagRewriter) {
+            ctx.clientbound(ClientboundPackets1_20_2.UPDATE_TAGS, tagRewriter::registerGeneric);
+            ctx.clientbound(ClientboundConfigurationPackets1_20_2.UPDATE_TAGS, tagRewriter::registerGeneric, PacketBound.ADDED_AT_MIN);
+        }
+    }
+
+
+    static <CU extends ClientboundPacketType> void registerRegistryData1_21(final RegistrationContext<CU, ?> ctx) {
+        if (ctx.protocol().getRegistryDataRewriter() == null) return;
+        ctx.clientboundHandler(ClientboundConfigurationPackets1_21.REGISTRY_DATA, ctx.protocol().getRegistryDataRewriter()::handle);
+    }
+
+
+    static <CU extends ClientboundPacketType> void registerRecipePackets1_21_2(final RegistrationContext<CU, ?> ctx) {
+        final RecipeDisplayRewriter<CU> rr = ctx.protocol().getRecipeRewriter();
+        if (rr == null) return;
+        ctx.clientbound(ClientboundPackets1_21_2.UPDATE_RECIPES, rr::registerUpdateRecipes);
+        ctx.clientbound(ClientboundPackets1_21_2.RECIPE_BOOK_ADD, rr::registerRecipeBookAdd, PacketBound.ADDED_AT_MIN);
+        ctx.clientbound(ClientboundPackets1_21_2.PLACE_GHOST_RECIPE, rr::registerPlaceGhostRecipe);
+    }
+
+
+    static <CU extends ClientboundPacketType> void registerStatistics1_13(final RegistrationContext<CU, ?> ctx) {
+        ctx.clientbound(ClientboundPackets1_13.AWARD_STATS, new StatisticsRewriter<>(ctx.protocol())::register);
+    }
+
+
+    static <CU extends ClientboundPacketType> void registerSounds1_10(final RegistrationContext<CU, ?> ctx) {
+        ctx.clientbound(ClientboundPackets1_9_3.SOUND, new SoundRewriter<>(ctx.protocol())::registerSound);
+    }
+
+    static <CU extends ClientboundPacketType> void registerSounds1_14(final RegistrationContext<CU, ?> ctx) {
+        final SoundRewriter<CU> sr = new SoundRewriter<>(ctx.protocol());
+        ctx.clientbound(ClientboundPackets1_14.SOUND, sr::registerSound);
+        ctx.clientbound(ClientboundPackets1_14.SOUND_ENTITY, sr::registerSound, PacketBound.ADDED_AT_MIN);
+    }
+
+    static <CU extends ClientboundPacketType> void registerSounds1_19_3(final RegistrationContext<CU, ?> ctx) {
+        final SoundRewriter<CU> sr = new SoundRewriter<>(ctx.protocol());
+        ctx.clientbound(ClientboundPackets1_19_3.SOUND, sr::registerSound1_19_3);
+        ctx.clientbound(ClientboundPackets1_19_3.SOUND_ENTITY, sr::registerSound1_19_3);
+    }
+
+
+    static <CU extends ClientboundPacketType> void registerCommands1_19(final RegistrationContext<CU, ?> ctx) {
+        if ((ctx.protocol().getMappingData() != null && !Mappings.isIntIdIdentity(ctx.protocol().getMappingData().getArgumentTypeMappings()))
+            || ctx.protocol().getRegistryDataRewriter() != null) {
+            ctx.clientbound(ClientboundPackets1_19_3.COMMANDS, new CommandRewriter1_19_4<>(ctx.protocol())::registerDeclareCommands1_19);
+        }
+    }
+
+
+    static <CU extends ClientboundPacketType> void registerAttributes1_21(final RegistrationContext<CU, ?> ctx) {
+        ctx.clientbound(ClientboundPackets1_21.UPDATE_ATTRIBUTES, new AttributeRewriter<>(ctx.protocol())::register1_21);
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocol/shared_registration/def/TextComponentRegistrations.java

@@ -0,0 +1,194 @@
+/*
+ * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
+ * Copyright (C) 2016-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viaversion.protocol.shared_registration.def;
+
+import com.viaversion.viaversion.api.minecraft.item.data.ChatType;
+import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
+import com.viaversion.viaversion.api.protocol.packet.ServerboundPacketType;
+import com.viaversion.viaversion.api.type.Types;
+import com.viaversion.viaversion.protocol.shared_registration.PacketBound;
+import com.viaversion.viaversion.protocol.shared_registration.RegistrationContext;
+import com.viaversion.viaversion.protocols.v1_12to1_12_1.packet.ClientboundPackets1_12_1;
+import com.viaversion.viaversion.protocols.v1_15_2to1_16.packet.ClientboundPackets1_16;
+import com.viaversion.viaversion.protocols.v1_16_1to1_16_2.packet.ClientboundPackets1_16_2;
+import com.viaversion.viaversion.protocols.v1_17to1_17_1.packet.ClientboundPackets1_17_1;
+import com.viaversion.viaversion.protocols.v1_18_2to1_19.packet.ClientboundPackets1_19;
+import com.viaversion.viaversion.protocols.v1_19to1_19_1.packet.ClientboundPackets1_19_1;
+import com.viaversion.viaversion.protocols.v1_20_2to1_20_3.packet.ClientboundConfigurationPackets1_20_3;
+import com.viaversion.viaversion.protocols.v1_20_2to1_20_3.packet.ClientboundPackets1_20_3;
+import com.viaversion.viaversion.protocols.v1_20_3to1_20_5.packet.ClientboundConfigurationPackets1_20_5;
+import com.viaversion.viaversion.protocols.v1_20_3to1_20_5.packet.ClientboundPackets1_20_5;
+import com.viaversion.viaversion.protocols.v1_20_5to1_21.packet.ClientboundPackets1_21;
+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.text.ComponentRewriterBase;
+import com.viaversion.viaversion.rewriter.text.JsonNBTComponentRewriter;
+import com.viaversion.viaversion.rewriter.text.NBTComponentRewriter;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+final class TextComponentRegistrations {
+
+    static <CU extends ClientboundPacketType> void registerComponents1_12_2(final RegistrationContext<CU, ?> ctx, final ComponentRewriterBase<CU> cr) {
+        ctx.clientbound(ClientboundPackets1_12_1.CHAT, cr::registerComponentPacket);
+        registerCombatAndTitle1_12_2(ctx, cr);
+        registerComponentsFrom1_12_2(ctx, cr);
+    }
+
+    static <CU extends ClientboundPacketType> void registerComponents1_14(final RegistrationContext<CU, ?> ctx, final ComponentRewriterBase<CU> cr) {
+        ctx.clientbound(ClientboundPackets1_12_1.CHAT, cr::registerComponentPacket);
+        registerCombatAndTitle1_12_2(ctx, cr);
+        registerComponentsFrom1_12_2(ctx, cr);
+        ctx.clientbound(ClientboundPackets1_16_2.SET_OBJECTIVE, cr::registerSetObjective);
+        ctx.clientbound(ClientboundPackets1_16_2.SET_PLAYER_TEAM, cr::registerSetPlayerTeam1_13);
+    }
+
+    static <CU extends ClientboundPacketType> void registerComponents1_16_2(final RegistrationContext<CU, ?> ctx, final ComponentRewriterBase<CU> cr) {
+        ctx.clientbound(ClientboundPackets1_16.CHAT, cr::registerComponentPacket);
+        registerComponentsFrom1_12_2(ctx, cr);
+        ctx.clientbound(ClientboundPackets1_16_2.SET_OBJECTIVE, cr::registerSetObjective);
+        ctx.clientbound(ClientboundPackets1_16_2.SET_PLAYER_TEAM, cr::registerSetPlayerTeam1_13);
+        if (!(cr instanceof final JsonNBTComponentRewriter<CU> jcr)) return;
+        ctx.clientbound(ClientboundPackets1_12_1.PLAYER_COMBAT, jcr::registerPlayerCombat, PacketBound.REMOVED_AT_MAX);
+        ctx.clientbound(ClientboundPackets1_12_1.SET_TITLES, jcr::registerTitle, PacketBound.REMOVED_AT_MAX);
+    }
+
+    static <CU extends ClientboundPacketType> void registerComponents1_17(final RegistrationContext<CU, ?> ctx, final ComponentRewriterBase<CU> cr) {
+        ctx.clientbound(ClientboundPackets1_16.CHAT, cr::registerComponentPacket, PacketBound.REMOVED_AT_MAX);
+        registerComponentsFrom1_12_2(ctx, cr);
+        ctx.clientbound(ClientboundPackets1_17_1.SET_ACTION_BAR_TEXT, cr::registerComponentPacket, PacketBound.ADDED_AT_MIN);
+        ctx.clientbound(ClientboundPackets1_17_1.SET_TITLE_TEXT, cr::registerComponentPacket, PacketBound.ADDED_AT_MIN);
+        ctx.clientbound(ClientboundPackets1_17_1.SET_SUBTITLE_TEXT, cr::registerComponentPacket, PacketBound.ADDED_AT_MIN);
+        ctx.clientbound(ClientboundPackets1_16_2.SET_OBJECTIVE, cr::registerSetObjective);
+        if (cr instanceof final JsonNBTComponentRewriter<CU> jcr) {
+            ctx.clientbound(ClientboundPackets1_17_1.PLAYER_COMBAT_KILL, jcr::registerPlayerCombatKill, PacketBound.ADDED_AT_MIN);
+        }
+        ctx.clientbound(ClientboundPackets1_16_2.SET_PLAYER_TEAM, cr::registerSetPlayerTeam1_13);
+    }
+
+    static <CU extends ClientboundPacketType> void registerComponents1_19(final RegistrationContext<CU, ?> ctx, final ComponentRewriterBase<CU> cr) {
+        registerComponentsFrom1_12_2(ctx, cr);
+        registerActionBarTitleSubtitle1_17_1(ctx, cr);
+        ctx.clientbound(ClientboundPackets1_16_2.SET_OBJECTIVE, cr::registerSetObjective);
+        if (cr instanceof final JsonNBTComponentRewriter<CU> jcr) {
+            ctx.clientbound(ClientboundPackets1_17_1.PLAYER_COMBAT_KILL, jcr::registerPlayerCombatKill);
+        }
+        ctx.clientbound(ClientboundPackets1_16_2.SET_PLAYER_TEAM, cr::registerSetPlayerTeam1_13);
+        ctx.clientbound(ClientboundPackets1_19.SYSTEM_CHAT, cr::registerComponentPacket, PacketBound.ADDED_AT_MIN);
+        ctx.clientbound(ClientboundPackets1_19.SERVER_DATA, cr::registerComponentPacket, PacketBound.ADDED_AT_MIN);
+    }
+
+    static <CU extends ClientboundPacketType> void registerComponents1_20_3(final RegistrationContext<CU, ?> ctx, final ComponentRewriterBase<CU> cr) {
+        registerComponentsFrom1_12_2(ctx, cr);
+        registerActionBarTitleSubtitle1_17_1(ctx, cr);
+        ctx.clientbound(ClientboundPackets1_16_2.SET_OBJECTIVE, cr::registerSetObjective);
+        ctx.clientbound(ClientboundPackets1_19_1.SYSTEM_CHAT, cr::registerComponentPacket);
+        ctx.clientbound(ClientboundConfigurationPackets1_20_3.DISCONNECT, cr::registerComponentPacket);
+        ctx.clientbound(ClientboundPackets1_20_3.DISGUISED_CHAT, cr::registerComponentPacket);
+        ctx.clientbound(ClientboundPackets1_20_3.SET_SCORE, cr::registerSetScore1_20_3);
+        ctx.clientbound(ClientboundPackets1_20_3.PLAYER_COMBAT_KILL, cr::registerPlayerCombatKill1_20);
+        ctx.clientbound(ClientboundPackets1_20_5.SET_PLAYER_TEAM, cr::registerSetPlayerTeam1_13);
+        ctx.clientbound(ClientboundPackets1_19.SERVER_DATA, cr::registerComponentPacket);
+        if (cr instanceof final JsonNBTComponentRewriter<CU> jcr) {
+            ctx.clientbound(ClientboundPackets1_20_3.PLAYER_CHAT, cu -> jcr.registerPlayerChat(cu, Types.VAR_INT));
+            ctx.clientbound(ClientboundPackets1_20_3.PLAYER_INFO_UPDATE, jcr::registerPlayerInfoUpdate1_20_3);
+        }
+    }
+
+    static <CU extends ClientboundPacketType> void registerCombatAndTitle1_12_2(final RegistrationContext<CU, ?> ctx, final ComponentRewriterBase<CU> cr) {
+        if (!(cr instanceof final JsonNBTComponentRewriter<CU> jcr)) return;
+        ctx.clientbound(ClientboundPackets1_12_1.PLAYER_COMBAT, jcr::registerPlayerCombat);
+        ctx.clientbound(ClientboundPackets1_12_1.SET_TITLES, jcr::registerTitle);
+    }
+
+    private static <CU extends ClientboundPacketType> void registerComponentsFrom1_12_2(final RegistrationContext<CU, ?> ctx, final ComponentRewriterBase<CU> cr) {
+        // not including set_score, player_info, update_advancements, and open_screen
+        ctx.clientbound(ClientboundPackets1_12_1.BOSS_EVENT, cr::registerBossEvent);
+        ctx.clientbound(ClientboundPackets1_12_1.DISCONNECT, cr::registerComponentPacket);
+        ctx.clientbound(ClientboundPackets1_12_1.TAB_LIST, cr::registerTabList);
+        cr.registerLoginDisconnect();
+    }
+
+    static <CU extends ClientboundPacketType> void registerActionBarTitleSubtitle1_17_1(final RegistrationContext<CU, ?> ctx, final ComponentRewriterBase<CU> cr) {
+        ctx.clientbound(ClientboundPackets1_17_1.SET_ACTION_BAR_TEXT, cr::registerComponentPacket);
+        ctx.clientbound(ClientboundPackets1_17_1.SET_TITLE_TEXT, cr::registerComponentPacket);
+        ctx.clientbound(ClientboundPackets1_17_1.SET_SUBTITLE_TEXT, cr::registerComponentPacket);
+    }
+
+    static <CU extends ClientboundPacketType> void registerComponents1_20_5(final RegistrationContext<CU, ?> ctx, final ComponentRewriterBase<CU> cr) {
+        common1_20_5(ctx, cr);
+        ctx.clientbound(ClientboundPackets1_20_5.SET_PLAYER_TEAM, cr::registerSetPlayerTeam1_13);
+        ctx.clientbound(ClientboundPackets1_20_5.DISGUISED_CHAT, cr::registerComponentPacket);
+        if (cr instanceof final JsonNBTComponentRewriter<CU> jcr) {
+            ctx.clientbound(ClientboundPackets1_20_5.PLAYER_CHAT, cu -> jcr.registerPlayerChat(cu, Types.VAR_INT));
+            ctx.clientbound(ClientboundPackets1_20_5.PLAYER_INFO_UPDATE, jcr::registerPlayerInfoUpdate1_20_3);
+        }
+    }
+
+    private static <CU extends ClientboundPacketType> void common1_20_5(final RegistrationContext<CU, ?> ctx, final ComponentRewriterBase<CU> cr) {
+        ctx.clientbound(ClientboundConfigurationPackets1_20_5.DISCONNECT, cr::registerComponentPacket);
+        ctx.clientbound(ClientboundPackets1_20_5.DISCONNECT, cr::registerComponentPacket);
+        ctx.clientbound(ClientboundPackets1_20_5.SET_ACTION_BAR_TEXT, cr::registerComponentPacket);
+        ctx.clientbound(ClientboundPackets1_20_5.SET_TITLE_TEXT, cr::registerComponentPacket);
+        ctx.clientbound(ClientboundPackets1_20_5.SET_SUBTITLE_TEXT, cr::registerComponentPacket);
+        ctx.clientbound(ClientboundPackets1_20_5.BOSS_EVENT, cr::registerBossEvent);
+        ctx.clientbound(ClientboundPackets1_20_5.TAB_LIST, cr::registerTabList);
+        ctx.clientbound(ClientboundPackets1_20_5.SET_OBJECTIVE, cr::registerSetObjective);
+        ctx.clientbound(ClientboundPackets1_20_5.SET_SCORE, cr::registerSetScore1_20_3);
+        ctx.clientbound(ClientboundPackets1_20_5.SYSTEM_CHAT, cr::registerComponentPacket);
+        ctx.clientbound(ClientboundPackets1_20_5.PLAYER_COMBAT_KILL, cr::registerPlayerCombatKill1_20);
+        ctx.clientbound(ClientboundPackets1_20_5.SERVER_DATA, cr::registerComponentPacket);
+        cr.registerLoginDisconnect();
+    }
+
+    static <CU extends ClientboundPacketType> void registerComponents1_21(final RegistrationContext<CU, ?> ctx, final ComponentRewriterBase<CU> cr) {
+        common1_20_5(ctx, cr);
+        ctx.clientbound(ClientboundPackets1_21.SET_PLAYER_TEAM, cr::registerSetPlayerTeam1_13);
+        ctx.clientbound(ClientboundPackets1_21.DISGUISED_CHAT, cr::registerDisguisedChat);
+        if (cr instanceof final JsonNBTComponentRewriter<CU> jcr) {
+            ctx.clientbound(ClientboundPackets1_21.PLAYER_CHAT, cu -> jcr.registerPlayerChat(cu, ChatType.TYPE));
+            ctx.clientbound(ClientboundPackets1_21.PLAYER_INFO_UPDATE, jcr::registerPlayerInfoUpdate1_20_3);
+        }
+    }
+
+    static <CU extends ClientboundPacketType> void registerComponents1_21_4(final RegistrationContext<CU, ?> ctx, final ComponentRewriterBase<CU> cr) {
+        common1_20_5(ctx, cr);
+        ctx.clientbound(ClientboundPackets1_21_2.SET_PLAYER_TEAM, cr::registerSetPlayerTeam1_13);
+        ctx.clientbound(ClientboundPackets1_21_2.DISGUISED_CHAT, cr::registerDisguisedChat);
+        ctx.clientbound(ClientboundPackets1_21_2.PLAYER_INFO_UPDATE, cr::registerPlayerInfoUpdate1_21_4);
+        if (cr instanceof final JsonNBTComponentRewriter<CU> jcr) {
+            ctx.clientbound(ClientboundPackets1_21_2.PLAYER_CHAT, cu -> jcr.registerPlayerChat(cu, ChatType.TYPE));
+        }
+    }
+
+    static <CU extends ClientboundPacketType> void registerComponents1_21_5(final RegistrationContext<CU, ?> ctx, final NBTComponentRewriter<CU> cr) {
+        common1_20_5(ctx, cr);
+        ctx.clientbound(ClientboundPackets1_21_5.SET_PLAYER_TEAM, cr::registerSetPlayerTeam1_21_5);
+        ctx.clientbound(ClientboundPackets1_21_5.DISGUISED_CHAT, cr::registerDisguisedChat);
+        ctx.clientbound(ClientboundPackets1_21_5.PLAYER_INFO_UPDATE, cr::registerPlayerInfoUpdate1_21_4);
+        ctx.clientbound(ClientboundPackets1_21_5.PLAYER_CHAT, cr::registerPlayerChat1_21_5);
+    }
+
+    static @Nullable <CU extends ClientboundPacketType, SU extends ServerboundPacketType> ComponentRewriterBase<CU> text(final RegistrationContext<CU, SU> ctx) {
+        return (ComponentRewriterBase<CU>) ctx.protocol().getComponentRewriter();
+    }
+
+
+    static @Nullable <CU extends ClientboundPacketType, SU extends ServerboundPacketType> NBTComponentRewriter<CU> nbtText(final RegistrationContext<CU, SU> ctx) {
+        return (NBTComponentRewriter<CU>) ctx.protocol().getComponentRewriter();
+    }
+}

common/src/main/java/com/viaversion/viaversion/protocols/template/BlockItemPacketRewriter99_1.java

@@ -21,20 +21,10 @@ import com.viaversion.nbt.tag.CompoundTag;
 import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.api.minecraft.data.StructuredDataContainer;
 import com.viaversion.viaversion.api.minecraft.item.Item;
-import com.viaversion.viaversion.api.type.types.chunk.ChunkType26_1;
 import com.viaversion.viaversion.protocols.v1_21_11to26_1.packet.ClientboundPacket26_1;
-import com.viaversion.viaversion.protocols.v1_21_11to26_1.packet.ClientboundPackets26_1;
-import com.viaversion.viaversion.protocols.v1_21_4to1_21_5.rewriter.RecipeDisplayRewriter1_21_5;
-import com.viaversion.viaversion.protocols.v1_21_5to1_21_6.packet.ServerboundPackets1_21_6;
 import com.viaversion.viaversion.protocols.v1_21_7to1_21_9.packet.ServerboundPacket1_21_9;
-import com.viaversion.viaversion.rewriter.BlockRewriter;
-import com.viaversion.viaversion.rewriter.RecipeDisplayRewriter;
 import com.viaversion.viaversion.rewriter.StructuredItemRewriter;
-import com.viaversion.viaversion.rewriter.block.BlockRewriter1_21_5;
 
-// To replace if needed:
-//   ChunkType26_1
-//   RecipeDisplayRewriter
 final class BlockItemPacketRewriter99_1 extends StructuredItemRewriter<ClientboundPacket26_1, ServerboundPacket1_21_9, Protocol98_1To99_1> {
 
     public BlockItemPacketRewriter99_1(final Protocol98_1To99_1 protocol) {
@@ -43,37 +33,8 @@ final class BlockItemPacketRewriter99_1 extends StructuredItemRewriter<Clientbou
 
     @Override
     public void registerPackets() {
-        // Register block and block state id changes
-        // Other places using block state id mappings: Spawn particle, entity data, entity spawn (falling blocks)
-        // Tags and statistics use block (!) ids
-        final BlockRewriter<ClientboundPacket26_1> blockRewriter = new BlockRewriter1_21_5<>(protocol);
-        blockRewriter.registerBlockEvent(ClientboundPackets26_1.BLOCK_EVENT);
-        blockRewriter.registerBlockUpdate(ClientboundPackets26_1.BLOCK_UPDATE);
-        blockRewriter.registerSectionBlocksUpdate1_20(ClientboundPackets26_1.SECTION_BLOCKS_UPDATE);
-        blockRewriter.registerLevelEvent1_21(ClientboundPackets26_1.LEVEL_EVENT, 2001);
-        blockRewriter.registerLevelChunk1_19(ClientboundPackets26_1.LEVEL_CHUNK_WITH_LIGHT, ChunkType26_1::new);
-        blockRewriter.registerBlockEntityData(ClientboundPackets26_1.BLOCK_ENTITY_DATA);
-
-        // Registers item id changes
-        // Other places using item ids are: Entity data, tags, statistics, effect
-        // registerOpenScreen(ClientboundPackets26_1.OPEN_SCREEN); If a new container type was added; also remove from the component rewriter registration
-        registerSetCursorItem(ClientboundPackets26_1.SET_CURSOR_ITEM);
-        registerSetPlayerInventory(ClientboundPackets26_1.SET_PLAYER_INVENTORY);
-        registerCooldown1_21_2(ClientboundPackets26_1.COOLDOWN);
-        registerSetContent1_21_2(ClientboundPackets26_1.CONTAINER_SET_CONTENT);
-        registerSetSlot1_21_2(ClientboundPackets26_1.CONTAINER_SET_SLOT);
-        registerAdvancements1_20_3(ClientboundPackets26_1.UPDATE_ADVANCEMENTS);
-        registerSetEquipment(ClientboundPackets26_1.SET_EQUIPMENT);
-        registerMerchantOffers1_20_5(ClientboundPackets26_1.MERCHANT_OFFERS);
-        registerContainerClick1_21_5(ServerboundPackets1_21_6.CONTAINER_CLICK);
-        registerSetCreativeModeSlot1_21_5(ServerboundPackets1_21_6.SET_CREATIVE_MODE_SLOT);
-
-        final RecipeDisplayRewriter<ClientboundPacket26_1> recipeRewriter = new RecipeDisplayRewriter1_21_5<>(protocol);
-        recipeRewriter.registerUpdateRecipes(ClientboundPackets26_1.UPDATE_RECIPES);
-        recipeRewriter.registerRecipeBookAdd(ClientboundPackets26_1.RECIPE_BOOK_ADD);
-        recipeRewriter.registerPlaceGhostRecipe(ClientboundPackets26_1.PLACE_GHOST_RECIPE);
-        // OR do this if serialization of recipes changed and override the relevant method
-        // Add new serializers to RecipeDisplayRewriter, or extend the last one for changes
+        // Common block, item, recipe, and entity registrations are handled by SharedRegistrations
+        // If recipe serializers changed: add new serializers to RecipeDisplayRewriter, or extend the last one for changes
     }
 
     @Override
@@ -84,20 +45,21 @@ final class BlockItemPacketRewriter99_1 extends StructuredItemRewriter<Clientbou
 
     @Override
     protected void handleItemDataComponentsToClient(final UserConnection connection, final Item item, final StructuredDataContainer container) {
-        upgradeData(item, container);
+        upgradeData(container);
         super.handleItemDataComponentsToClient(connection, item, container);
     }
 
-    public static void upgradeData(final Item item, final StructuredDataContainer container) { // public for VB
-    }
-
     @Override
     protected void handleItemDataComponentsToServer(final UserConnection connection, final Item item, final StructuredDataContainer container) {
-        downgradeData(item, container);
+        downgradeData(container);
         super.handleItemDataComponentsToServer(connection, item, container);
     }
 
-    public static void downgradeData(final Item item, final StructuredDataContainer container) {
+    // public for VB
+    public static void upgradeData(final StructuredDataContainer container) {
+    }
+
+    public static void downgradeData(final StructuredDataContainer container) {
     }
 
     @Override

common/src/main/java/com/viaversion/viaversion/protocols/template/EntityPacketRewriter99_1.java

@@ -21,11 +21,9 @@ import com.viaversion.viaversion.api.minecraft.entities.EntityType;
 import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_21_11;
 import com.viaversion.viaversion.api.minecraft.entitydata.types.EntityDataTypes26_1;
 import com.viaversion.viaversion.protocols.v1_21_11to26_1.packet.ClientboundPacket26_1;
-import com.viaversion.viaversion.protocols.v1_21_11to26_1.packet.ClientboundPackets26_1;
 import com.viaversion.viaversion.rewriter.EntityRewriter;
 
 // Replace if needed
-//  VersionedTypes
 //  EntityTypes1_21_11
 final class EntityPacketRewriter99_1 extends EntityRewriter<ClientboundPacket26_1, Protocol98_1To99_1> {
 
@@ -35,28 +33,19 @@ final class EntityPacketRewriter99_1 extends EntityRewriter<ClientboundPacket26_
 
     @Override
     public void registerPackets() {
-        // Tracks entities, applies entity data rewrites registered below, untracks entities
-        registerTrackerWithData1_21_9(ClientboundPackets26_1.ADD_ENTITY, EntityTypes1_21_11.FALLING_BLOCK);
-        registerSetEntityData(ClientboundPackets26_1.SET_ENTITY_DATA);
-        registerRemoveEntities(ClientboundPackets26_1.REMOVE_ENTITIES);
-        registerPlayerAbilities(ClientboundPackets26_1.PLAYER_ABILITIES);
-        registerGameEvent(ClientboundPackets26_1.GAME_EVENT);
-        registerLogin1_20_5(ClientboundPackets26_1.LOGIN);
-        registerRespawn1_20_5(ClientboundPackets26_1.RESPAWN);
+        // Common entity registrations (including LOGIN, RESPAWN) are handled by SharedRegistrations.
     }
 
     @Override
     protected void registerRewrites() {
         final EntityDataTypes26_1 entityDataTypes = protocol.mappedTypes().entityDataTypes();
-        filter().mapDataType(entityDataTypes::byId);
-        /* ... or something this if entity data classes changed
-        filter().mapDataType(typeId -> {
-            int id = typeId;
-            if (id >= SomeAddedIndex) {
-                id++;
-            }
-            return entityDataTypes.byId(id);
-        });*/
+        dataTypeMapper().register();
+        /* ... or like this for additions and removals that are not at the very end
+        dataTypeMapper()
+            .added(entityDataTypes.catSoundVariant)
+            .removed(entityDataTypes.cowSoundVariant)
+            .skip(entityDataTypes.pigSoundVariant) // if neither removed nor added, but the value type has to be changed separately
+            .register();*/
 
         // Registers registry type id changes
         registerEntityDataTypeHandler(
@@ -70,12 +59,6 @@ final class EntityPacketRewriter99_1 extends EntityRewriter<ClientboundPacket26_
         );
     }
 
-    @Override
-    public void onMappingDataLoaded() {
-        // IF ENTITY TYPES CHANGED: Automatically map entity id changes AFTER entity ids have been loaded
-        mapTypes();
-    }
-
     @Override
     public EntityType typeFromId(final int type) {
         return EntityTypes1_21_11.getTypeFromId(type);

common/src/main/java/com/viaversion/viaversion/protocols/template/Protocol98_1To99_1.java

@@ -21,27 +21,24 @@ import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.api.data.MappingData;
 import com.viaversion.viaversion.api.data.MappingDataBase;
 import com.viaversion.viaversion.api.minecraft.data.version.StructuredDataKeys1_21_11;
-import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_21_11;
 import com.viaversion.viaversion.api.minecraft.entitydata.types.EntityDataTypes26_1;
 import com.viaversion.viaversion.api.protocol.AbstractProtocol;
 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.chunk.ChunkType26_1;
 import com.viaversion.viaversion.api.type.types.version.Types1_20_5;
 import com.viaversion.viaversion.api.type.types.version.VersionedTypes;
-import com.viaversion.viaversion.data.entity.EntityTrackerBase;
-import com.viaversion.viaversion.data.item.ItemHasherBase;
 import com.viaversion.viaversion.protocols.v1_21_11to26_1.packet.ClientboundPacket26_1;
 import com.viaversion.viaversion.protocols.v1_21_11to26_1.packet.ClientboundPackets26_1;
 import com.viaversion.viaversion.protocols.v1_21_5to1_21_6.packet.ServerboundPackets1_21_6;
 import com.viaversion.viaversion.protocols.v1_21_7to1_21_9.packet.ClientboundConfigurationPackets1_21_9;
 import com.viaversion.viaversion.protocols.v1_21_7to1_21_9.packet.ServerboundConfigurationPackets1_21_9;
 import com.viaversion.viaversion.protocols.v1_21_7to1_21_9.packet.ServerboundPacket1_21_9;
-import com.viaversion.viaversion.rewriter.AttributeRewriter;
+import com.viaversion.viaversion.rewriter.BlockRewriter;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
 import com.viaversion.viaversion.rewriter.RegistryDataRewriter;
-import com.viaversion.viaversion.rewriter.SoundRewriter;
-import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
+import com.viaversion.viaversion.rewriter.block.BlockRewriter1_21_5;
 import com.viaversion.viaversion.rewriter.text.NBTComponentRewriter;
 
 import static com.viaversion.viaversion.util.ProtocolUtil.packetTypeMap;
@@ -49,14 +46,15 @@ import static com.viaversion.viaversion.util.ProtocolUtil.packetTypeMap;
 // Placeholders to replace (in the entire package):
 //   ClientboundPacket26_1
 //   ServerboundPacket1_21_9
-//   EntityDataTypes26_1 (MAPPED type)
 //   VersionedTypes.V26_1
+//   ChunkType26_1::new
 //   98.1, 99.1
 final class Protocol98_1To99_1 extends AbstractProtocol<ClientboundPacket26_1, ClientboundPacket26_1, ServerboundPacket1_21_9, ServerboundPacket1_21_9> {
 
     public static final MappingData MAPPINGS = new MappingDataBase("98.1", "99.1");
     private final EntityPacketRewriter99_1 entityRewriter = new EntityPacketRewriter99_1(this);
     private final BlockItemPacketRewriter99_1 itemRewriter = new BlockItemPacketRewriter99_1(this);
+    private final BlockRewriter<ClientboundPacket26_1> blockRewriter = new BlockRewriter1_21_5<>(this, ChunkType26_1::new);
     private final ParticleRewriter<ClientboundPacket26_1> particleRewriter = new ParticleRewriter<>(this);
     private final TagRewriter<ClientboundPacket26_1> tagRewriter = new TagRewriter<>(this);
     private final NBTComponentRewriter<ClientboundPacket26_1> componentRewriter = new ComponentRewriter99_1(this);
@@ -71,40 +69,9 @@ final class Protocol98_1To99_1 extends AbstractProtocol<ClientboundPacket26_1, C
     protected void registerPackets() {
         super.registerPackets();
 
-        registerClientbound(ClientboundConfigurationPackets1_21_9.REGISTRY_DATA, registryDataRewriter::handle);
-
-        tagRewriter.registerGeneric(ClientboundPackets26_1.UPDATE_TAGS);
-        tagRewriter.registerGeneric(ClientboundConfigurationPackets1_21_9.UPDATE_TAGS);
-
-        // If needed for item or component changes
-        componentRewriter.registerOpenScreen1_14(ClientboundPackets26_1.OPEN_SCREEN);
-        componentRewriter.registerComponentPacket(ClientboundPackets26_1.SET_ACTION_BAR_TEXT);
-        componentRewriter.registerComponentPacket(ClientboundPackets26_1.SET_TITLE_TEXT);
-        componentRewriter.registerComponentPacket(ClientboundPackets26_1.SET_SUBTITLE_TEXT);
-        componentRewriter.registerBossEvent(ClientboundPackets26_1.BOSS_EVENT);
-        componentRewriter.registerComponentPacket(ClientboundPackets26_1.DISCONNECT);
-        componentRewriter.registerComponentPacket(ClientboundConfigurationPackets1_21_9.DISCONNECT);
-        componentRewriter.registerTabList(ClientboundPackets26_1.TAB_LIST);
-        componentRewriter.registerSetPlayerTeam1_21_5(ClientboundPackets26_1.SET_PLAYER_TEAM);
-        componentRewriter.registerPlayerCombatKill1_20(ClientboundPackets26_1.PLAYER_COMBAT_KILL);
-        componentRewriter.registerPlayerInfoUpdate1_21_4(ClientboundPackets26_1.PLAYER_INFO_UPDATE);
-        componentRewriter.registerComponentPacket(ClientboundPackets26_1.SYSTEM_CHAT);
-        componentRewriter.registerDisguisedChat(ClientboundPackets26_1.DISGUISED_CHAT);
-        componentRewriter.registerPlayerChat1_21_5(ClientboundPackets26_1.PLAYER_CHAT);
-        componentRewriter.registerSetObjective(ClientboundPackets26_1.SET_OBJECTIVE);
-        componentRewriter.registerSetScore1_20_3(ClientboundPackets26_1.SET_SCORE);
-        componentRewriter.registerPing();
-
-        // If needed for any particle, item, or block changes. Extend ParticleRewriter for particle serializer changes
-        particleRewriter.registerLevelParticles1_21_4(ClientboundPackets26_1.LEVEL_PARTICLES);
-        particleRewriter.registerExplode1_21_9(ClientboundPackets26_1.EXPLODE); // Rewrites the included sound and particles
-
-        final SoundRewriter<ClientboundPacket26_1> soundRewriter = new SoundRewriter<>(this);
-        soundRewriter.registerSound1_19_3(ClientboundPackets26_1.SOUND);
-        soundRewriter.registerSound1_19_3(ClientboundPackets26_1.SOUND_ENTITY);
-
-        new StatisticsRewriter<>(this).register(ClientboundPackets26_1.AWARD_STATS);
-        new AttributeRewriter<>(this).register1_21(ClientboundPackets26_1.UPDATE_ATTRIBUTES);
+        // Common registrations (tags, components, particles, sounds, statistics, attributes)
+        // are automatically applied via SharedRegistrations based on the protocol's version range.
+        // Only protocol-specific registrations need to be added here.
 
         // Uncomment if an existing type changed serialization format. Mappings for argument type keys can also be defined in mapping files
         /*new CommandRewriter1_19_4<>(this) {
@@ -125,26 +92,8 @@ final class Protocol98_1To99_1 extends AbstractProtocol<ClientboundPacket26_1, C
         // Uncomment this if the entity types enum has been newly added specifically for this Protocol
         // EntityTypes1_21_11.initialize(this);
 
-        // Uncomment if a new particle was added = ids shifted; requires a new Types_ class copied from the last
-        /*mappedTypes().particle.filler(this)
-          .reader("block", ParticleType.Readers.BLOCK)
-            .reader("block_marker", ParticleType.Readers.BLOCK)
-            .reader("dust_pillar", ParticleType.Readers.BLOCK)
-            .reader("falling_dust", ParticleType.Readers.BLOCK)
-            .reader("block_crumble", ParticleType.Readers.BLOCK)
-            .reader("dust", ParticleType.Readers.DUST1_21_2)
-            .reader("dust_color_transition", ParticleType.Readers.DUST_TRANSITION1_21_2)
-            .reader("vibration", ParticleType.Readers.VIBRATION1_20_3)
-            .reader("sculk_charge", ParticleType.Readers.SCULK_CHARGE)
-            .reader("shriek", ParticleType.Readers.SHRIEK)
-            .reader("entity_effect", ParticleType.Readers.COLOR)
-            .reader("tinted_leaves", ParticleType.Readers.COLOR)
-            .reader("trail", ParticleType.Readers.TRAIL1_21_4)
-            .reader("dragon_breath", ParticleType.Readers.POWER)
-            .reader("effect", ParticleType.Readers.SPELL)
-            .reader("instant_effect", ParticleType.Readers.SPELL)
-            .reader("flash", ParticleType.Readers.COLOR)
-            .reader("item", ParticleType.Readers.item(itemRewriter.mappedItemTemplateType()));*/
+        // Uncomment if versioned types changed
+        // ParticleType.Fillers.fill1_21_9(this);
 
         super.onMappingDataLoaded(); // Calls load methods on rewriters. Last in case the rewriters access the above filled data
     }
@@ -152,8 +101,8 @@ final class Protocol98_1To99_1 extends AbstractProtocol<ClientboundPacket26_1, C
     @Override
     public void init(final UserConnection connection) {
         // Register the entity tracker - used for entity id/entity data rewriting AND for tracking world data sent to the client (then used for chunk data rewriting)
-        addEntityTracker(connection, new EntityTrackerBase(connection, EntityTypes1_21_11.PLAYER));
-        addItemHasher(connection, new ItemHasherBase(this, connection));
+        addEntityTracker(connection);
+        addItemHasher(connection);
     }
 
     // Overriding these methods is important as they are relied on various rewriter classes
@@ -173,6 +122,11 @@ final class Protocol98_1To99_1 extends AbstractProtocol<ClientboundPacket26_1, C
         return itemRewriter;
     }
 
+    @Override
+    public BlockRewriter<ClientboundPacket26_1> getBlockRewriter() {
+        return blockRewriter;
+    }
+
     @Override
     public RegistryDataRewriter getRegistryDataRewriter() {
         return registryDataRewriter;

common/src/main/java/com/viaversion/viaversion/protocols/v1_10to1_11/Protocol1_10To1_11.java

@@ -37,7 +37,6 @@ import com.viaversion.viaversion.protocols.v1_10to1_11.rewriter.ItemPacketRewrit
 import com.viaversion.viaversion.protocols.v1_10to1_11.storage.EntityTracker1_11;
 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.SoundRewriter;
 
 public class Protocol1_10To1_11 extends AbstractProtocol<ClientboundPackets1_9_3, ClientboundPackets1_9_3, ServerboundPackets1_9_3, ServerboundPackets1_9_3> {
 
@@ -59,7 +58,15 @@ public class Protocol1_10To1_11 extends AbstractProtocol<ClientboundPackets1_9_3
     protected void registerPackets() {
         super.registerPackets();
 
-        new SoundRewriter<>(this, this::getNewSoundId).registerSound(ClientboundPackets1_9_3.SOUND);
+        registerClientbound(ClientboundPackets1_9_3.SOUND, wrapper -> {
+            int soundId = wrapper.read(Types.VAR_INT);
+            int mappedId = getNewSoundId(soundId);
+            if (mappedId == -1) {
+                wrapper.cancel();
+            } else {
+                wrapper.write(Types.VAR_INT, mappedId);
+            }
+        });
 
         registerClientbound(ClientboundPackets1_9_3.SET_TITLES, new PacketHandlers() {
             @Override

common/src/main/java/com/viaversion/viaversion/protocols/v1_11_1to1_12/Protocol1_11_1To1_12.java

@@ -43,7 +43,6 @@ import com.viaversion.viaversion.protocols.v1_11_1to1_12.rewriter.EntityPacketRe
 import com.viaversion.viaversion.protocols.v1_11_1to1_12.rewriter.ItemPacketRewriter1_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.SoundRewriter;
 
 public class Protocol1_11_1To1_12 extends AbstractProtocol<ClientboundPackets1_9_3, ClientboundPackets1_12, ServerboundPackets1_9_3, ServerboundPackets1_12> {
 
@@ -58,6 +57,16 @@ public class Protocol1_11_1To1_12 extends AbstractProtocol<ClientboundPackets1_9
     protected void registerPackets() {
         super.registerPackets();
 
+        registerClientbound(ClientboundPackets1_9_3.SOUND, wrapper -> {
+            int soundId = wrapper.read(Types.VAR_INT);
+            int mappedId = getNewSoundId(soundId);
+            if (mappedId == -1) {
+                wrapper.cancel();
+            } else {
+                wrapper.write(Types.VAR_INT, mappedId);
+            }
+        });
+
         registerClientbound(ClientboundPackets1_9_3.CHAT, wrapper -> {
             final JsonElement element = wrapper.passthrough(Types.COMPONENT);
             TranslateRewriter.toClient(wrapper.user(), element);
@@ -96,9 +105,6 @@ public class Protocol1_11_1To1_12 extends AbstractProtocol<ClientboundPackets1_9
             }
         });
 
-        new SoundRewriter<>(this, this::getNewSoundId).registerSound(ClientboundPackets1_9_3.SOUND);
-
-
         // New packet at 0x01
         cancelServerbound(ServerboundPackets1_12.CRAFTING_RECIPE_PLACEMENT);
 

common/src/main/java/com/viaversion/viaversion/protocols/v1_12_2to1_13/Protocol1_12_2To1_13.java

@@ -40,7 +40,6 @@ import com.viaversion.viaversion.api.type.Types;
 import com.viaversion.viaversion.api.type.types.misc.ParticleType;
 import com.viaversion.viaversion.api.type.types.version.Types1_13;
 import com.viaversion.viaversion.data.entity.EntityTrackerBase;
-import com.viaversion.viaversion.protocols.base.ClientboundLoginPackets;
 import com.viaversion.viaversion.protocols.base.ClientboundStatusPackets;
 import com.viaversion.viaversion.protocols.base.ServerboundLoginPackets;
 import com.viaversion.viaversion.protocols.v1_12_2to1_13.blockconnections.ConnectionData;
@@ -65,7 +64,6 @@ import com.viaversion.viaversion.protocols.v1_12_2to1_13.storage.BlockStorage;
 import com.viaversion.viaversion.protocols.v1_12_2to1_13.storage.TabCompleteTracker;
 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.rewriter.SoundRewriter;
 import com.viaversion.viaversion.util.ChatColorUtil;
 import com.viaversion.viaversion.util.ComponentUtil;
 import com.viaversion.viaversion.util.GsonUtil;
@@ -181,10 +179,6 @@ public class Protocol1_12_2To1_13 extends AbstractProtocol<ClientboundPackets1_1
 
         WorldPacketRewriter1_13.register(this);
 
-        registerClientbound(State.LOGIN, ClientboundLoginPackets.LOGIN_DISCONNECT, wrapper -> {
-            componentRewriter.processText(wrapper.user(), wrapper.passthrough(Types.COMPONENT));
-        });
-
         registerClientbound(State.STATUS, ClientboundStatusPackets.STATUS_RESPONSE, new PacketHandlers() {
             @Override
             public void register() {
@@ -253,9 +247,6 @@ public class Protocol1_12_2To1_13 extends AbstractProtocol<ClientboundPackets1_1
         });
 
 
-        componentRewriter.registerBossEvent(ClientboundPackets1_12_1.BOSS_EVENT);
-        componentRewriter.registerComponentPacket(ClientboundPackets1_12_1.CHAT);
-
         registerClientbound(ClientboundPackets1_12_1.COMMAND_SUGGESTIONS, wrapper -> {
             wrapper.write(Types.VAR_INT, wrapper.user().get(TabCompleteTracker.class).getTransactionId());
 
@@ -329,8 +320,6 @@ public class Protocol1_12_2To1_13 extends AbstractProtocol<ClientboundPackets1_1
             }
         });
 
-        componentRewriter.registerComponentPacket(ClientboundPackets1_12_1.DISCONNECT);
-
         registerClientbound(ClientboundPackets1_12_1.LEVEL_EVENT, new PacketHandlers() {
             @Override
             public void register() {
@@ -359,8 +348,6 @@ public class Protocol1_12_2To1_13 extends AbstractProtocol<ClientboundPackets1_1
             }
         });
 
-        componentRewriter.registerPlayerCombat(ClientboundPackets1_12_1.PLAYER_COMBAT);
-
         registerClientbound(ClientboundPackets1_12_1.MAP_ITEM_DATA, new PacketHandlers() {
             @Override
             public void register() {
@@ -510,17 +497,6 @@ public class Protocol1_12_2To1_13 extends AbstractProtocol<ClientboundPackets1_1
             }
         });
 
-        componentRewriter.registerTitle(ClientboundPackets1_12_1.SET_TITLES);
-
-        // New 0x4C - Stop Sound
-
-        new SoundRewriter<>(this).registerSound(ClientboundPackets1_12_1.SOUND);
-
-        registerClientbound(ClientboundPackets1_12_1.TAB_LIST, wrapper -> {
-            componentRewriter.processText(wrapper.user(), wrapper.passthrough(Types.COMPONENT));
-            componentRewriter.processText(wrapper.user(), wrapper.passthrough(Types.COMPONENT));
-        });
-
         registerClientbound(ClientboundPackets1_12_1.UPDATE_ADVANCEMENTS, wrapper -> {
             wrapper.passthrough(Types.BOOLEAN); // Reset/clear
             int size = wrapper.passthrough(Types.VAR_INT); // Mapping size
@@ -701,7 +677,7 @@ public class Protocol1_12_2To1_13 extends AbstractProtocol<ClientboundPackets1_1
 
                     String stringMode = mode == 0 ? "SEQUENCE"
                         : mode == 1 ? "AUTO"
-                        : "REDSTONE";
+                          : "REDSTONE";
 
                     wrapper.write(Types.BOOLEAN, (flags & 0x1) != 0); // Track output
                     wrapper.write(Types.STRING, stringMode);
@@ -742,8 +718,8 @@ public class Protocol1_12_2To1_13 extends AbstractProtocol<ClientboundPackets1_1
                     public String transform(PacketWrapper wrapper, Integer mode) {
                         return mode == 0 ? "SAVE"
                             : mode == 1 ? "LOAD"
-                            : mode == 2 ? "CORNER"
-                            : "DATA";
+                              : mode == 2 ? "CORNER"
+                                : "DATA";
                     }
                 });
                 map(Types.STRING); // Name
@@ -758,7 +734,7 @@ public class Protocol1_12_2To1_13 extends AbstractProtocol<ClientboundPackets1_1
                     public String transform(PacketWrapper wrapper, Integer mirror) {
                         return mirror == 0 ? "NONE"
                             : mirror == 1 ? "LEFT_RIGHT"
-                            : "FRONT_BACK";
+                              : "FRONT_BACK";
                     }
                 });
                 map(Types.VAR_INT, new ValueTransformer<>(Types.STRING) { // Rotation
@@ -766,8 +742,8 @@ public class Protocol1_12_2To1_13 extends AbstractProtocol<ClientboundPackets1_1
                     public String transform(PacketWrapper wrapper, Integer rotation) {
                         return rotation == 0 ? "NONE"
                             : rotation == 1 ? "CLOCKWISE_90"
-                            : rotation == 2 ? "CLOCKWISE_180"
-                            : "COUNTERCLOCKWISE_90";
+                              : rotation == 2 ? "CLOCKWISE_180"
+                                : "COUNTERCLOCKWISE_90";
                     }
                 });
                 map(Types.STRING);

common/src/main/java/com/viaversion/viaversion/protocols/v1_13_2to1_14/Protocol1_13_2To1_14.java

@@ -23,7 +23,6 @@ import com.viaversion.viaversion.api.minecraft.RegistryType;
 import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_14;
 import com.viaversion.viaversion.api.protocol.AbstractProtocol;
 import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
-import com.viaversion.viaversion.api.type.Types;
 import com.viaversion.viaversion.api.type.types.misc.ParticleType;
 import com.viaversion.viaversion.api.type.types.version.Types1_13_2;
 import com.viaversion.viaversion.api.type.types.version.Types1_14;
@@ -38,10 +37,9 @@ import com.viaversion.viaversion.protocols.v1_13_2to1_14.rewriter.ItemPacketRewr
 import com.viaversion.viaversion.protocols.v1_13_2to1_14.rewriter.PlayerPacketRewriter1_14;
 import com.viaversion.viaversion.protocols.v1_13_2to1_14.rewriter.WorldPacketRewriter1_14;
 import com.viaversion.viaversion.protocols.v1_13_2to1_14.storage.EntityTracker1_14;
+import com.viaversion.viaversion.rewriter.BlockRewriter;
 import com.viaversion.viaversion.rewriter.CommandRewriter;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
-import com.viaversion.viaversion.rewriter.SoundRewriter;
-import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
 import com.viaversion.viaversion.rewriter.text.JsonNBTComponentRewriter;
 import com.viaversion.viaversion.util.ProtocolLogger;
@@ -55,6 +53,7 @@ public class Protocol1_13_2To1_14 extends AbstractProtocol<ClientboundPackets1_1
     private final ItemPacketRewriter1_14 itemRewriter = new ItemPacketRewriter1_14(this);
     private final ParticleRewriter<ClientboundPackets1_13> particleRewriter = new ParticleRewriter<>(this);
     private final TagRewriter<ClientboundPackets1_13> tagRewriter = new TagRewriter<>(this);
+    private final BlockRewriter<ClientboundPackets1_13> blockRewriter = BlockRewriter.for1_14(this);
 
     public Protocol1_13_2To1_14() {
         super(ClientboundPackets1_13.class, ClientboundPackets1_14.class, ServerboundPackets1_13.class, ServerboundPackets1_14.class);
@@ -67,11 +66,6 @@ public class Protocol1_13_2To1_14 extends AbstractProtocol<ClientboundPackets1_1
         WorldPacketRewriter1_14.register(this);
         PlayerPacketRewriter1_14.register(this);
 
-        new SoundRewriter<>(this).registerSound(ClientboundPackets1_13.SOUND);
-        new StatisticsRewriter<>(this).register(ClientboundPackets1_13.AWARD_STATS);
-
-        particleRewriter.registerLevelParticles1_13(ClientboundPackets1_13.LEVEL_PARTICLES, Types.FLOAT);
-
         JsonNBTComponentRewriter<ClientboundPackets1_13> componentRewriter = new ComponentRewriter1_14<>(this);
         componentRewriter.registerComponentPacket(ClientboundPackets1_13.CHAT);
 
@@ -109,16 +103,8 @@ public class Protocol1_13_2To1_14 extends AbstractProtocol<ClientboundPackets1_1
         WorldPacketRewriter1_14.caveAir = MAPPINGS.getBlockStateMappings().getNewId(8592);
 
         EntityTypes1_14.initialize(this);
-        Types1_13_2.PARTICLE.filler(this, false)
-            .reader("block", ParticleType.Readers.BLOCK)
-            .reader("dust", ParticleType.Readers.DUST)
-            .reader("falling_dust", ParticleType.Readers.BLOCK)
-            .reader("item", ParticleType.Readers.ITEM1_13_2);
-        Types1_14.PARTICLE.filler(this)
-            .reader("block", ParticleType.Readers.BLOCK)
-            .reader("dust", ParticleType.Readers.DUST)
-            .reader("falling_dust", ParticleType.Readers.BLOCK)
-            .reader("item", ParticleType.Readers.ITEM1_13_2);
+        ParticleType.Fillers.fill1_13_2(this, Types1_13_2.PARTICLE, false);
+        ParticleType.Fillers.fill1_13_2(this, Types1_14.PARTICLE, true);
 
         tagRewriter.addEmptyTag(RegistryType.BLOCK, "bamboo_plantable_on");
 
@@ -151,6 +137,11 @@ public class Protocol1_13_2To1_14 extends AbstractProtocol<ClientboundPackets1_1
         return itemRewriter;
     }
 
+    @Override
+    public BlockRewriter<ClientboundPackets1_13> getBlockRewriter() {
+        return blockRewriter;
+    }
+
     @Override
     public ParticleRewriter<ClientboundPackets1_13> getParticleRewriter() {
         return particleRewriter;

common/src/main/java/com/viaversion/viaversion/protocols/v1_13_2to1_14/rewriter/EntityPacketRewriter1_14.java

@@ -252,7 +252,6 @@ public class EntityPacketRewriter1_14 extends EntityRewriter<ClientboundPackets1
             }
         });
 
-        registerRemoveEntities(ClientboundPackets1_13.REMOVE_ENTITIES);
         registerSetEntityData(ClientboundPackets1_13.SET_ENTITY_DATA, Types1_13_2.ENTITY_DATA_LIST, Types1_14.ENTITY_DATA_LIST);
     }
 
@@ -386,7 +385,7 @@ public class EntityPacketRewriter1_14 extends EntityRewriter<ClientboundPackets1
 
     @Override
     public void onMappingDataLoaded() {
-        mapTypes();
+        super.onMappingDataLoaded();
         if (Via.getConfig().translateOcelotToCat()) {
             // A better solution for this would be to despawn the ocelot and spawn a cat in its place, but that would
             // require a lot of data tracking and is not worth the effort.

common/src/main/java/com/viaversion/viaversion/protocols/v1_13_2to1_14/rewriter/ItemPacketRewriter1_14.java

@@ -64,9 +64,6 @@ public class ItemPacketRewriter1_14 extends ItemRewriter<ClientboundPackets1_13,
 
     @Override
     public void registerPackets() {
-        registerCooldown(ClientboundPackets1_13.COOLDOWN);
-        registerAdvancements(ClientboundPackets1_13.UPDATE_ADVANCEMENTS);
-
         protocol.registerClientbound(ClientboundPackets1_13.OPEN_SCREEN, null, wrapper -> {
             Short windowId = wrapper.read(Types.UNSIGNED_BYTE);
             String type = wrapper.read(Types.STRING);
@@ -112,9 +109,6 @@ public class ItemPacketRewriter1_14 extends ItemRewriter<ClientboundPackets1_13,
             }
         });
 
-        registerSetContent(ClientboundPackets1_13.CONTAINER_SET_CONTENT);
-        registerSetSlot(ClientboundPackets1_13.CONTAINER_SET_SLOT);
-
         protocol.registerClientbound(ClientboundPackets1_13.CUSTOM_PAYLOAD, new PacketHandlers() {
             @Override
             public void register() {
@@ -166,8 +160,6 @@ public class ItemPacketRewriter1_14 extends ItemRewriter<ClientboundPackets1_13,
             }
         });
 
-        registerSetEquippedItem(ClientboundPackets1_13.SET_EQUIPPED_ITEM);
-
         RecipeRewriter<ClientboundPackets1_13> recipeRewriter = new RecipeRewriter<>(protocol);
         protocol.registerClientbound(ClientboundPackets1_13.UPDATE_RECIPES, wrapper -> {
             int size = wrapper.passthrough(Types.VAR_INT);
@@ -188,8 +180,6 @@ public class ItemPacketRewriter1_14 extends ItemRewriter<ClientboundPackets1_13,
         });
 
 
-        registerContainerClick(ServerboundPackets1_14.CONTAINER_CLICK);
-
         protocol.registerServerbound(ServerboundPackets1_14.SELECT_TRADE, wrapper -> {
             // Selecting trade now moves the items, we need to resync the inventory
             PacketWrapper resyncPacket = wrapper.create(ServerboundPackets1_13.CONTAINER_CLICK);
@@ -204,8 +194,6 @@ public class ItemPacketRewriter1_14 extends ItemRewriter<ClientboundPackets1_13,
             resyncPacket.write(Types.ITEM1_13_2, new DataItem(1, (byte) 1, tag)); // 5 - Clicked Item
             resyncPacket.scheduleSendToServer(Protocol1_13_2To1_14.class);
         });
-
-        registerSetCreativeModeSlot(ServerboundPackets1_14.SET_CREATIVE_MODE_SLOT);
     }
 
     @Override

common/src/main/java/com/viaversion/viaversion/protocols/v1_13_2to1_14/rewriter/WorldPacketRewriter1_14.java

@@ -37,7 +37,6 @@ import com.viaversion.viaversion.protocols.v1_12_2to1_13.packet.ClientboundPacke
 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.storage.EntityTracker1_14;
-import com.viaversion.viaversion.rewriter.BlockRewriter;
 import com.viaversion.viaversion.util.CompactArrayUtil;
 import java.util.Arrays;
 
@@ -53,8 +52,6 @@ public class WorldPacketRewriter1_14 {
     }
 
     public static void register(Protocol1_13_2To1_14 protocol) {
-        BlockRewriter<ClientboundPackets1_13> blockRewriter = BlockRewriter.for1_14(protocol);
-
         protocol.registerClientbound(ClientboundPackets1_13.BLOCK_DESTRUCTION, new PacketHandlers() {
             @Override
             public void register() {
@@ -69,7 +66,7 @@ public class WorldPacketRewriter1_14 {
                 map(Types.BLOCK_POSITION1_8, Types.BLOCK_POSITION1_14);
             }
         });
-        protocol.registerClientbound(ClientboundPackets1_13.BLOCK_EVENT, new PacketHandlers() {
+        protocol.replaceClientbound(ClientboundPackets1_13.BLOCK_EVENT, new PacketHandlers() {
             @Override
             public void register() {
                 map(Types.BLOCK_POSITION1_8, Types.BLOCK_POSITION1_14); // Location
@@ -79,7 +76,7 @@ public class WorldPacketRewriter1_14 {
                 handler(wrapper -> wrapper.set(Types.VAR_INT, 0, protocol.getMappingData().getNewBlockId(wrapper.get(Types.VAR_INT, 0))));
             }
         });
-        protocol.registerClientbound(ClientboundPackets1_13.BLOCK_UPDATE, new PacketHandlers() {
+        protocol.replaceClientbound(ClientboundPackets1_13.BLOCK_UPDATE, new PacketHandlers() {
             @Override
             public void register() {
                 map(Types.BLOCK_POSITION1_8, Types.BLOCK_POSITION1_14);
@@ -102,8 +99,6 @@ public class WorldPacketRewriter1_14 {
             }
         });
 
-        blockRewriter.registerChunkBlocksUpdate(ClientboundPackets1_13.CHUNK_BLOCKS_UPDATE);
-
         protocol.registerClientbound(ClientboundPackets1_13.EXPLODE, new PacketHandlers() {
             @Override
             public void register() {
@@ -247,7 +242,7 @@ public class WorldPacketRewriter1_14 {
             }
         });
 
-        protocol.registerClientbound(ClientboundPackets1_13.LEVEL_EVENT, new PacketHandlers() {
+        protocol.replaceClientbound(ClientboundPackets1_13.LEVEL_EVENT, new PacketHandlers() {
             @Override
             public void register() {
                 map(Types.INT); // Effect Id

common/src/main/java/com/viaversion/viaversion/protocols/v1_13to1_13_1/Protocol1_13To1_13_1.java

@@ -35,8 +35,8 @@ import com.viaversion.viaversion.protocols.v1_12_2to1_13.packet.ServerboundPacke
 import com.viaversion.viaversion.protocols.v1_13to1_13_1.rewriter.EntityPacketRewriter1_13_1;
 import com.viaversion.viaversion.protocols.v1_13to1_13_1.rewriter.ItemPacketRewriter1_13_1;
 import com.viaversion.viaversion.protocols.v1_13to1_13_1.rewriter.WorldPacketRewriter1_13_1;
+import com.viaversion.viaversion.rewriter.BlockRewriter;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
-import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
 
 public class Protocol1_13To1_13_1 extends AbstractProtocol<ClientboundPackets1_13, ClientboundPackets1_13, ServerboundPackets1_13, ServerboundPackets1_13> {
@@ -46,6 +46,7 @@ public class Protocol1_13To1_13_1 extends AbstractProtocol<ClientboundPackets1_1
     private final ItemPacketRewriter1_13_1 itemRewriter = new ItemPacketRewriter1_13_1(this);
     private final ParticleRewriter<ClientboundPackets1_13> particleRewriter = new ParticleRewriter<>(this);
     private final TagRewriter<ClientboundPackets1_13> tagRewriter = new TagRewriter<>(this);
+    private final BlockRewriter<ClientboundPackets1_13> blockRewriter = BlockRewriter.legacy(this);
 
     public Protocol1_13To1_13_1() {
         super(ClientboundPackets1_13.class, ClientboundPackets1_13.class, ServerboundPackets1_13.class, ServerboundPackets1_13.class);
@@ -130,9 +131,6 @@ public class Protocol1_13To1_13_1 extends AbstractProtocol<ClientboundPackets1_1
         });
 
         tagRewriter.register(ClientboundPackets1_13.UPDATE_TAGS, RegistryType.ITEM);
-        particleRewriter.registerLevelParticles1_13(ClientboundPackets1_13.LEVEL_PARTICLES, Types.FLOAT);
-
-        new StatisticsRewriter<>(this).register(ClientboundPackets1_13.AWARD_STATS);
     }
 
     @Override
@@ -156,6 +154,11 @@ public class Protocol1_13To1_13_1 extends AbstractProtocol<ClientboundPackets1_1
         return itemRewriter;
     }
 
+    @Override
+    public BlockRewriter<ClientboundPackets1_13> getBlockRewriter() {
+        return blockRewriter;
+    }
+
     @Override
     public ParticleRewriter<ClientboundPackets1_13> getParticleRewriter() {
         return particleRewriter;

common/src/main/java/com/viaversion/viaversion/protocols/v1_13to1_13_1/rewriter/EntityPacketRewriter1_13_1.java

@@ -133,7 +133,6 @@ public class EntityPacketRewriter1_13_1 extends EntityRewriter<ClientboundPacket
             }
         });
 
-        registerRemoveEntities(ClientboundPackets1_13.REMOVE_ENTITIES);
         registerSetEntityData(ClientboundPackets1_13.SET_ENTITY_DATA, Types1_13.ENTITY_DATA_LIST);
     }
 

common/src/main/java/com/viaversion/viaversion/protocols/v1_13to1_13_1/rewriter/ItemPacketRewriter1_13_1.java

@@ -36,11 +36,6 @@ public class ItemPacketRewriter1_13_1 extends ItemRewriter<ClientboundPackets1_1
 
     @Override
     public void registerPackets() {
-        registerSetSlot(ClientboundPackets1_13.CONTAINER_SET_SLOT);
-        registerSetContent(ClientboundPackets1_13.CONTAINER_SET_CONTENT);
-        registerAdvancements(ClientboundPackets1_13.UPDATE_ADVANCEMENTS);
-        registerCooldown(ClientboundPackets1_13.COOLDOWN);
-
         protocol.registerClientbound(ClientboundPackets1_13.CUSTOM_PAYLOAD, new PacketHandlers() {
             @Override
             public void register() {
@@ -72,8 +67,6 @@ public class ItemPacketRewriter1_13_1 extends ItemRewriter<ClientboundPackets1_1
             }
         });
 
-        registerSetEquippedItem(ClientboundPackets1_13.SET_EQUIPPED_ITEM);
-
         RecipeRewriter<ClientboundPackets1_13> recipeRewriter = new RecipeRewriter<>(protocol) {
             @Override
             protected Type<Item> itemType() {
@@ -94,8 +87,5 @@ public class ItemPacketRewriter1_13_1 extends ItemRewriter<ClientboundPackets1_1
                 recipeRewriter.handleRecipeType(wrapper, type);
             }
         });
-
-        registerContainerClick(ServerboundPackets1_13.CONTAINER_CLICK);
-        registerSetCreativeModeSlot(ServerboundPackets1_13.SET_CREATIVE_MODE_SLOT);
     }
 }

common/src/main/java/com/viaversion/viaversion/protocols/v1_13to1_13_1/rewriter/WorldPacketRewriter1_13_1.java

@@ -24,25 +24,18 @@ import com.viaversion.viaversion.api.type.Types;
 import com.viaversion.viaversion.api.type.types.chunk.ChunkType1_13;
 import com.viaversion.viaversion.protocols.v1_12_2to1_13.packet.ClientboundPackets1_13;
 import com.viaversion.viaversion.protocols.v1_13to1_13_1.Protocol1_13To1_13_1;
-import com.viaversion.viaversion.rewriter.BlockRewriter;
 
 public class WorldPacketRewriter1_13_1 {
 
     public static void register(Protocol1_13To1_13_1 protocol) {
-        BlockRewriter<ClientboundPackets1_13> blockRewriter = BlockRewriter.legacy(protocol);
-
         protocol.registerClientbound(ClientboundPackets1_13.LEVEL_CHUNK, wrapper -> {
             ClientWorld clientWorld = wrapper.user().getClientWorld(Protocol1_13To1_13_1.class);
             Chunk chunk = wrapper.passthrough(ChunkType1_13.forEnvironment(clientWorld.getEnvironment()));
 
-            blockRewriter.handleChunk(chunk);
+            protocol.getBlockRewriter().handleChunk(chunk);
         });
 
-        blockRewriter.registerBlockEvent(ClientboundPackets1_13.BLOCK_EVENT);
-        blockRewriter.registerBlockUpdate(ClientboundPackets1_13.BLOCK_UPDATE);
-        blockRewriter.registerChunkBlocksUpdate(ClientboundPackets1_13.CHUNK_BLOCKS_UPDATE);
-
-        protocol.registerClientbound(ClientboundPackets1_13.LEVEL_EVENT, new PacketHandlers() {
+        protocol.replaceClientbound(ClientboundPackets1_13.LEVEL_EVENT, new PacketHandlers() {
             @Override
             public void register() {
                 map(Types.INT); // Effect Id

common/src/main/java/com/viaversion/viaversion/protocols/v1_14_4to1_15/Protocol1_14_4To1_15.java

@@ -32,9 +32,8 @@ import com.viaversion.viaversion.protocols.v1_14_4to1_15.packet.ClientboundPacke
 import com.viaversion.viaversion.protocols.v1_14_4to1_15.rewriter.EntityPacketRewriter1_15;
 import com.viaversion.viaversion.protocols.v1_14_4to1_15.rewriter.ItemPacketRewriter1_15;
 import com.viaversion.viaversion.protocols.v1_14_4to1_15.rewriter.WorldPacketRewriter1_15;
+import com.viaversion.viaversion.rewriter.BlockRewriter;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
-import com.viaversion.viaversion.rewriter.SoundRewriter;
-import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
 
 public class Protocol1_14_4To1_15 extends AbstractProtocol<ClientboundPackets1_14_4, ClientboundPackets1_15, ServerboundPackets1_14, ServerboundPackets1_14> {
@@ -44,6 +43,7 @@ public class Protocol1_14_4To1_15 extends AbstractProtocol<ClientboundPackets1_1
     private final ItemPacketRewriter1_15 itemRewriter = new ItemPacketRewriter1_15(this);
     private final ParticleRewriter<ClientboundPackets1_14_4> particleRewriter = new ParticleRewriter<>(this);
     private final TagRewriter<ClientboundPackets1_14_4> tagRewriter = new TagRewriter<>(this);
+    private final BlockRewriter<ClientboundPackets1_14_4> blockRewriter = BlockRewriter.for1_14(this);
 
     public Protocol1_14_4To1_15() {
         super(ClientboundPackets1_14_4.class, ClientboundPackets1_15.class, ServerboundPackets1_14.class, ServerboundPackets1_14.class);
@@ -55,12 +55,6 @@ public class Protocol1_14_4To1_15 extends AbstractProtocol<ClientboundPackets1_1
 
         WorldPacketRewriter1_15.register(this);
 
-        SoundRewriter<ClientboundPackets1_14_4> soundRewriter = new SoundRewriter<>(this);
-        soundRewriter.registerSound(ClientboundPackets1_14_4.SOUND_ENTITY); // Entity Sound Effect (added somewhere in 1.14)
-        soundRewriter.registerSound(ClientboundPackets1_14_4.SOUND);
-
-        new StatisticsRewriter<>(this).register(ClientboundPackets1_14_4.AWARD_STATS);
-
         registerServerbound(ServerboundPackets1_14.EDIT_BOOK, wrapper -> itemRewriter.handleItemToServer(wrapper.user(), wrapper.passthrough(Types.ITEM1_13_2)));
 
         tagRewriter.register(ClientboundPackets1_14_4.UPDATE_TAGS, RegistryType.ENTITY);
@@ -99,6 +93,11 @@ public class Protocol1_14_4To1_15 extends AbstractProtocol<ClientboundPackets1_1
         return itemRewriter;
     }
 
+    @Override
+    public BlockRewriter<ClientboundPackets1_14_4> getBlockRewriter() {
+        return blockRewriter;
+    }
+
     @Override
     public ParticleRewriter<ClientboundPackets1_14_4> getParticleRewriter() {
         return particleRewriter;

common/src/main/java/com/viaversion/viaversion/protocols/v1_14_4to1_15/rewriter/EntityPacketRewriter1_15.java

@@ -40,9 +40,7 @@ public class EntityPacketRewriter1_15 extends EntityRewriter<ClientboundPackets1
 
     @Override
     protected void registerPackets() {
-        registerTrackerWithData(ClientboundPackets1_14_4.ADD_ENTITY, EntityTypes1_15.FALLING_BLOCK);
-
-        protocol.registerClientbound(ClientboundPackets1_14_4.ADD_MOB, new PacketHandlers() {
+        protocol.replaceClientbound(ClientboundPackets1_14_4.ADD_MOB, new PacketHandlers() {
             @Override
             public void register() {
                 map(Types.VAR_INT); // 0 - Entity ID
@@ -123,7 +121,6 @@ public class EntityPacketRewriter1_15 extends EntityRewriter<ClientboundPackets1
         });
 
         registerSetEntityData(ClientboundPackets1_14_4.SET_ENTITY_DATA, Types1_14.ENTITY_DATA_LIST);
-        registerRemoveEntities(ClientboundPackets1_14_4.REMOVE_ENTITIES);
     }
 
     @Override

common/src/main/java/com/viaversion/viaversion/protocols/v1_14_4to1_15/rewriter/ItemPacketRewriter1_15.java

@@ -32,16 +32,6 @@ public class ItemPacketRewriter1_15 extends ItemRewriter<ClientboundPackets1_14_
 
     @Override
     public void registerPackets() {
-        registerCooldown(ClientboundPackets1_14_4.COOLDOWN);
-        registerSetContent(ClientboundPackets1_14_4.CONTAINER_SET_CONTENT);
-        registerMerchantOffers(ClientboundPackets1_14_4.MERCHANT_OFFERS);
-        registerSetSlot(ClientboundPackets1_14_4.CONTAINER_SET_SLOT);
-        registerSetEquippedItem(ClientboundPackets1_14_4.SET_EQUIPPED_ITEM);
-        registerAdvancements(ClientboundPackets1_14_4.UPDATE_ADVANCEMENTS);
-
         new RecipeRewriter<>(protocol).register(ClientboundPackets1_14_4.UPDATE_RECIPES);
-
-        registerContainerClick(ServerboundPackets1_14.CONTAINER_CLICK);
-        registerSetCreativeModeSlot(ServerboundPackets1_14.SET_CREATIVE_MODE_SLOT);
     }
 }

common/src/main/java/com/viaversion/viaversion/protocols/v1_14_4to1_15/rewriter/WorldPacketRewriter1_15.java

@@ -23,18 +23,11 @@ import com.viaversion.viaversion.api.type.types.chunk.ChunkType1_14;
 import com.viaversion.viaversion.api.type.types.chunk.ChunkType1_15;
 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.rewriter.BlockRewriter;
 
 public final class WorldPacketRewriter1_15 {
 
     public static void register(Protocol1_14_4To1_15 protocol) {
-        BlockRewriter<ClientboundPackets1_14_4> blockRewriter = BlockRewriter.for1_14(protocol);
-
-        blockRewriter.registerBlockEvent(ClientboundPackets1_14_4.BLOCK_EVENT);
-        blockRewriter.registerBlockUpdate(ClientboundPackets1_14_4.BLOCK_UPDATE);
-        blockRewriter.registerChunkBlocksUpdate(ClientboundPackets1_14_4.CHUNK_BLOCKS_UPDATE);
-        blockRewriter.registerBlockBreakAck(ClientboundPackets1_14_4.BLOCK_BREAK_ACK);
-        blockRewriter.registerLevelChunk(ClientboundPackets1_14_4.LEVEL_CHUNK, ChunkType1_14.TYPE, ChunkType1_15.TYPE, (connection, chunk) -> {
+        protocol.getBlockRewriter().registerLevelChunk(ClientboundPackets1_14_4.LEVEL_CHUNK, ChunkType1_14.TYPE, ChunkType1_15.TYPE, (connection, chunk) -> {
             if (chunk.isFullChunk()) {
                 int[] biomeData = chunk.getBiomeData();
                 int[] newBiomeData = new int[1024];
@@ -58,8 +51,7 @@ public final class WorldPacketRewriter1_15 {
             }
         });
 
-        blockRewriter.registerLevelEvent(ClientboundPackets1_14_4.LEVEL_EVENT, 1010, 2001);
-        protocol.registerClientbound(ClientboundPackets1_14_4.LEVEL_PARTICLES, new PacketHandlers() {
+        protocol.replaceClientbound(ClientboundPackets1_14_4.LEVEL_PARTICLES, new PacketHandlers() {
             @Override
             public void register() {
                 map(Types.INT); // 0 - Particle ID

common/src/main/java/com/viaversion/viaversion/protocols/v1_14to1_14_1/rewriter/EntityPacketRewriter1_14_1.java

@@ -55,8 +55,6 @@ public class EntityPacketRewriter1_14_1 extends EntityRewriter<ClientboundPacket
             }
         });
 
-        registerRemoveEntities(ClientboundPackets1_14.REMOVE_ENTITIES);
-
         protocol.registerClientbound(ClientboundPackets1_14.ADD_PLAYER, new PacketHandlers() {
             @Override
             public void register() {

common/src/main/java/com/viaversion/viaversion/protocols/v1_15_2to1_16/Protocol1_15_2To1_16.java

@@ -47,9 +47,8 @@ import com.viaversion.viaversion.protocols.v1_15_2to1_16.rewriter.EntityPacketRe
 import com.viaversion.viaversion.protocols.v1_15_2to1_16.rewriter.ItemPacketRewriter1_16;
 import com.viaversion.viaversion.protocols.v1_15_2to1_16.rewriter.WorldPacketRewriter1_16;
 import com.viaversion.viaversion.protocols.v1_15_2to1_16.storage.InventoryTracker1_16;
+import com.viaversion.viaversion.rewriter.BlockRewriter;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
-import com.viaversion.viaversion.rewriter.SoundRewriter;
-import com.viaversion.viaversion.rewriter.StatisticsRewriter;
 import com.viaversion.viaversion.rewriter.TagRewriter;
 import com.viaversion.viaversion.util.GsonUtil;
 import com.viaversion.viaversion.util.Key;
@@ -67,6 +66,7 @@ public class Protocol1_15_2To1_16 extends AbstractProtocol<ClientboundPackets1_1
     private final ParticleRewriter<ClientboundPackets1_15> particleRewriter = new ParticleRewriter<>(this);
     private final ComponentRewriter1_16 componentRewriter = new ComponentRewriter1_16(this);
     private final TagRewriter<ClientboundPackets1_15> tagRewriter = new TagRewriter<>(this);
+    private final BlockRewriter<ClientboundPackets1_15> blockRewriter = BlockRewriter.for1_14(this);
 
     public Protocol1_15_2To1_16() {
         super(ClientboundPackets1_15.class, ClientboundPackets1_16.class, ServerboundPackets1_14.class, ServerboundPackets1_16.class);
@@ -79,10 +79,6 @@ public class Protocol1_15_2To1_16 extends AbstractProtocol<ClientboundPackets1_1
         WorldPacketRewriter1_16.register(this);
 
         tagRewriter.register(ClientboundPackets1_15.UPDATE_TAGS, RegistryType.ENTITY);
-        particleRewriter.registerLevelParticles1_13(ClientboundPackets1_15.LEVEL_PARTICLES, Types.DOUBLE);
-
-        new StatisticsRewriter<>(this).register(ClientboundPackets1_15.AWARD_STATS);
-
         // Login Success
         registerClientbound(State.LOGIN, ClientboundLoginPackets.LOGIN_FINISHED, wrapper -> {
             // Transform string to a uuid
@@ -126,7 +122,7 @@ public class Protocol1_15_2To1_16 extends AbstractProtocol<ClientboundPackets1_1
         });
 
         // Handle (relevant) component cases for translatable and score changes
-        registerClientbound(ClientboundPackets1_15.CHAT, new PacketHandlers() {
+        replaceClientbound(ClientboundPackets1_15.CHAT, new PacketHandlers() {
             @Override
             public void register() {
                 map(Types.COMPONENT);
@@ -137,13 +133,6 @@ public class Protocol1_15_2To1_16 extends AbstractProtocol<ClientboundPackets1_1
                 });
             }
         });
-        componentRewriter.registerBossEvent(ClientboundPackets1_15.BOSS_EVENT);
-        componentRewriter.registerTitle(ClientboundPackets1_15.SET_TITLES);
-        componentRewriter.registerPlayerCombat(ClientboundPackets1_15.PLAYER_COMBAT);
-
-        SoundRewriter<ClientboundPackets1_15> soundRewriter = new SoundRewriter<>(this);
-        soundRewriter.registerSound(ClientboundPackets1_15.SOUND);
-        soundRewriter.registerSound(ClientboundPackets1_15.SOUND_ENTITY);
 
         registerServerbound(ServerboundPackets1_16.INTERACT, wrapper -> {
             wrapper.passthrough(Types.VAR_INT); // Entity Id
@@ -217,11 +206,7 @@ public class Protocol1_15_2To1_16 extends AbstractProtocol<ClientboundPackets1_1
     @Override
     protected void onMappingDataLoaded() {
         EntityTypes1_16.initialize(this);
-        Types1_16.PARTICLE.filler(this)
-            .reader("block", ParticleType.Readers.BLOCK)
-            .reader("dust", ParticleType.Readers.DUST)
-            .reader("falling_dust", ParticleType.Readers.BLOCK)
-            .reader("item", ParticleType.Readers.ITEM1_13_2);
+        ParticleType.Fillers.fill1_13_2(this, Types1_16.PARTICLE, true);
 
         tagRewriter.addEmptyTags(RegistryType.ITEM, "minecraft:crimson_stems", "minecraft:non_flammable_wood", "minecraft:piglin_loved",
             "minecraft:piglin_repellents", "minecraft:soul_fire_base_blocks", "minecraft:warped_stems");
@@ -258,6 +243,11 @@ public class Protocol1_15_2To1_16 extends AbstractProtocol<ClientboundPackets1_1
         return itemRewriter;
     }
 
+    @Override
+    public BlockRewriter<ClientboundPackets1_15> getBlockRewriter() {
+        return blockRewriter;
+    }
+
     @Override
     public ParticleRewriter<ClientboundPackets1_15> getParticleRewriter() {
         return particleRewriter;

common/src/main/java/com/viaversion/viaversion/protocols/v1_15_2to1_16/rewriter/EntityPacketRewriter1_16.java

@@ -107,11 +107,8 @@ public class EntityPacketRewriter1_16 extends EntityRewriter<ClientboundPackets1
             wrapper.write(Types.SHORT, (short) 0); // velocity
         });
 
-        registerTrackerWithData(ClientboundPackets1_15.ADD_ENTITY, EntityTypes1_16.FALLING_BLOCK);
-        registerTracker(ClientboundPackets1_15.ADD_MOB);
         registerTracker(ClientboundPackets1_15.ADD_PLAYER, EntityTypes1_16.PLAYER);
         registerSetEntityData(ClientboundPackets1_15.SET_ENTITY_DATA, Types1_14.ENTITY_DATA_LIST, Types1_16.ENTITY_DATA_LIST);
-        registerRemoveEntities(ClientboundPackets1_15.REMOVE_ENTITIES);
 
         protocol.registerClientbound(ClientboundPackets1_15.RESPAWN, new PacketHandlers() {
             @Override
@@ -227,11 +224,6 @@ public class EntityPacketRewriter1_16 extends EntityRewriter<ClientboundPackets1
         });
     }
 
-    @Override
-    public void onMappingDataLoaded() {
-        mapTypes();
-    }
-
     @Override
     public EntityType typeFromId(int type) {
         return EntityTypes1_16.getTypeFromId(type);

common/src/main/java/com/viaversion/viaversion/protocols/v1_15_2to1_16/rewriter/ItemPacketRewriter1_16.java

@@ -57,7 +57,7 @@ public class ItemPacketRewriter1_16 extends ItemRewriter<ClientboundPackets1_15,
             clearPacket.send(Protocol1_15_2To1_16.class);
         };
 
-        protocol.registerClientbound(ClientboundPackets1_15.OPEN_SCREEN, new PacketHandlers() {
+        protocol.replaceClientbound(ClientboundPackets1_15.OPEN_SCREEN, new PacketHandlers() {
             @Override
             public void register() {
                 map(Types.VAR_INT); // Window Id
@@ -106,12 +106,6 @@ public class ItemPacketRewriter1_16 extends ItemRewriter<ClientboundPackets1_15,
             }
         });
 
-        registerCooldown(ClientboundPackets1_15.COOLDOWN);
-        registerSetContent(ClientboundPackets1_15.CONTAINER_SET_CONTENT);
-        registerMerchantOffers(ClientboundPackets1_15.MERCHANT_OFFERS);
-        registerSetSlot(ClientboundPackets1_15.CONTAINER_SET_SLOT);
-        registerAdvancements(ClientboundPackets1_15.UPDATE_ADVANCEMENTS);
-
         protocol.registerClientbound(ClientboundPackets1_15.SET_EQUIPPED_ITEM, ClientboundPackets1_16.SET_EQUIPMENT, new PacketHandlers() {
             @Override
             public void register() {
@@ -127,9 +121,6 @@ public class ItemPacketRewriter1_16 extends ItemRewriter<ClientboundPackets1_15,
 
         new RecipeRewriter<>(protocol).register(ClientboundPackets1_15.UPDATE_RECIPES);
 
-        registerContainerClick(ServerboundPackets1_16.CONTAINER_CLICK);
-        registerSetCreativeModeSlot(ServerboundPackets1_16.SET_CREATIVE_MODE_SLOT);
-
         protocol.registerServerbound(ServerboundPackets1_16.CONTAINER_CLOSE, wrapper -> {
             InventoryTracker1_16 inventoryTracker = wrapper.user().get(InventoryTracker1_16.class);
             inventoryTracker.setInventoryOpen(false);

common/src/main/java/com/viaversion/viaversion/protocols/v1_15_2to1_16/rewriter/WorldPacketRewriter1_16.java

@@ -30,7 +30,6 @@ import com.viaversion.viaversion.api.type.types.chunk.ChunkType1_15;
 import com.viaversion.viaversion.api.type.types.chunk.ChunkType1_16;
 import com.viaversion.viaversion.protocols.v1_14_4to1_15.packet.ClientboundPackets1_15;
 import com.viaversion.viaversion.protocols.v1_15_2to1_16.Protocol1_15_2To1_16;
-import com.viaversion.viaversion.rewriter.BlockRewriter;
 import com.viaversion.viaversion.util.CompactArrayUtil;
 import com.viaversion.viaversion.util.Key;
 import com.viaversion.viaversion.util.UUIDUtil;
@@ -40,13 +39,7 @@ import java.util.UUID;
 public class WorldPacketRewriter1_16 {
 
     public static void register(Protocol1_15_2To1_16 protocol) {
-        BlockRewriter<ClientboundPackets1_15> blockRewriter = BlockRewriter.for1_14(protocol);
-
-        blockRewriter.registerBlockEvent(ClientboundPackets1_15.BLOCK_EVENT);
-        blockRewriter.registerBlockUpdate(ClientboundPackets1_15.BLOCK_UPDATE);
-        blockRewriter.registerChunkBlocksUpdate(ClientboundPackets1_15.CHUNK_BLOCKS_UPDATE);
-        blockRewriter.registerBlockBreakAck(ClientboundPackets1_15.BLOCK_BREAK_ACK);
-        blockRewriter.registerLevelChunk(ClientboundPackets1_15.LEVEL_CHUNK, ChunkType1_15.TYPE, ChunkType1_16.TYPE, (connection, chunk) -> {
+        protocol.getBlockRewriter().registerLevelChunk(ClientboundPackets1_15.LEVEL_CHUNK, ChunkType1_15.TYPE, ChunkType1_16.TYPE, (connection, chunk) -> {
             chunk.setIgnoreOldLightData(chunk.isFullChunk());
 
             CompoundTag heightMaps = chunk.getHeightMap();
@@ -78,8 +71,6 @@ public class WorldPacketRewriter1_16 {
             CompoundTag tag = wrapper.passthrough(Types.NAMED_COMPOUND_TAG);
             handleBlockEntity(protocol, wrapper.user(), tag);
         });
-
-        blockRewriter.registerLevelEvent(ClientboundPackets1_15.LEVEL_EVENT, 1010, 2001);
     }
 
     private static void handleBlockEntity(Protocol1_15_2To1_16 protocol, UserConnection connection, CompoundTag compoundTag) {