1.15 (and a lot of other improvements/fixes) 🎉

README.md

@@ -2,24 +2,26 @@
 
 Allows older Minecraft versions on a newer Minecraft server
 
-
-Requires [ViaVersion](http://viaversion.com) to be installed
-**Spigot page:** https://www.spigotmc.org/resources/viabackwards.27448/
-
 ### Supported versions:
-![supported_versions](https://camo.githubusercontent.com/75fd692876cdeadbb8a84ed3175e6f0fc23a640a/68747470733a2f2f692e696d6775722e636f6d2f695741744431702e706e67)
+**Orange** = Native server version\
+**Green** = ViaVersion\
+**Blue** = ViaBackwards addition
+
+![supported_versions](https://i.imgur.com/dlxakYT.png)
 
 ---
 
 ### Releases / Dev Builds:
 
-***Requires [ViaVersion](http://viaversion.com) to be installed***
+**Requires [ViaVersion](http://viaversion.com) to be installed**
-
-You can find official releases here:  
-**Spigot page:** https://www.spigotmc.org/resources/viabackwards.27448/   **[1.9.x - 1.12.x]**
    
-You can find official dev builds here:   
+You can find the latest builds here:\
-**Jenkins:** https://ci.viaversion.com/view/ViaBackwards/  **[1.9.x - 1.14.x]**
+**Jenkins:** https://ci.viaversion.com/view/ViaBackwards/
+
+Spigot page (possibly outdated):\
+**Spigot page:** https://www.spigotmc.org/resources/viabackwards.27448/
+
+---
   
 **Maven:** https://repo.viaversion.com/  
 

bukkit/src/main/resources/plugin.yml

@@ -3,8 +3,8 @@ version: ${project.version}
 description: Allow older Minecraft versions to connect to a newer server version.
 main: nl.matsv.viabackwards.BukkitPlugin
 
-authors: [Matsv]
+authors: [Matsv, KennyTV, Gerrygames, creeper123123321, ForceUpdate1]
-website: https://matsv.nl
+website: ${project.url}
 
 load: STARTUP
 depend: [ViaVersion]

bungee/src/main/resources/bungee.yml

@@ -1,5 +1,5 @@
 name: ViaBackwards
 main: nl.matsv.viabackwards.BungeePlugin
-author: Matsv
+author: "Matsv, KennyTV, Gerrygames, creeper123123321, ForceUpdate1"
 version: ${project.version}
 depends: [ViaVersion]

core/src/main/java/nl/matsv/viabackwards/api/ViaBackwardsPlatform.java

@@ -24,20 +24,21 @@ import nl.matsv.viabackwards.protocol.protocol1_13to1_13_1.Protocol1_13To1_13_1;
 import nl.matsv.viabackwards.protocol.protocol1_14_1to1_14_2.Protocol1_14_1To1_14_2;
 import nl.matsv.viabackwards.protocol.protocol1_14_2to1_14_3.Protocol1_14_2To1_14_3;
 import nl.matsv.viabackwards.protocol.protocol1_14_3to1_14_4.Protocol1_14_3To1_14_4;
+import nl.matsv.viabackwards.protocol.protocol1_14_4to1_15.Protocol1_14_4To1_15;
 import nl.matsv.viabackwards.protocol.protocol1_14to1_14_1.Protocol1_14To1_14_1;
 import nl.matsv.viabackwards.protocol.protocol1_9_4to1_10.Protocol1_9_4To1_10;
-import us.myles.ViaVersion.api.protocol.ProtocolRegistry;
 import us.myles.ViaVersion.api.protocol.ProtocolVersion;
 import us.myles.ViaVersion.update.Version;
 
 import java.io.File;
-import java.util.Collections;
 import java.util.logging.Logger;
 
+import static us.myles.ViaVersion.api.protocol.ProtocolRegistry.registerProtocol;
+
 public interface ViaBackwardsPlatform {
 
     /**
-     * Initialize ViaBackwards
+     * Initialize ViaBackwards.
      */
     default void init(File dataFolder) {
         ViaBackwardsConfig config = new ViaBackwardsConfig(new File(dataFolder, "config.yml"));
@@ -47,20 +48,21 @@ public interface ViaBackwardsPlatform {
 
         if (isOutdated()) return;
 
-        ProtocolRegistry.registerProtocol(new Protocol1_9_4To1_10(), Collections.singletonList(ProtocolVersion.v1_9_3.getId()), ProtocolVersion.v1_10.getId());
+        registerProtocol(new Protocol1_9_4To1_10(), ProtocolVersion.v1_9_3, ProtocolVersion.v1_10);
-        ProtocolRegistry.registerProtocol(new Protocol1_10To1_11(), Collections.singletonList(ProtocolVersion.v1_10.getId()), ProtocolVersion.v1_11.getId());
+        registerProtocol(new Protocol1_10To1_11(), ProtocolVersion.v1_10, ProtocolVersion.v1_11);
-        ProtocolRegistry.registerProtocol(new Protocol1_11To1_11_1(), Collections.singletonList(ProtocolVersion.v1_11.getId()), ProtocolVersion.v1_11_1.getId());
+        registerProtocol(new Protocol1_11To1_11_1(), ProtocolVersion.v1_11, ProtocolVersion.v1_11_1);
-        ProtocolRegistry.registerProtocol(new Protocol1_11_1To1_12(), Collections.singletonList(ProtocolVersion.v1_11_1.getId()), ProtocolVersion.v1_12.getId());
+        registerProtocol(new Protocol1_11_1To1_12(), ProtocolVersion.v1_11_1, ProtocolVersion.v1_12);
-        ProtocolRegistry.registerProtocol(new Protocol1_12To1_12_1(), Collections.singletonList(ProtocolVersion.v1_12.getId()), ProtocolVersion.v1_12_1.getId());
+        registerProtocol(new Protocol1_12To1_12_1(), ProtocolVersion.v1_12, ProtocolVersion.v1_12_1);
-        ProtocolRegistry.registerProtocol(new Protocol1_12_1To1_12_2(), Collections.singletonList(ProtocolVersion.v1_12_1.getId()), ProtocolVersion.v1_12_2.getId());
+        registerProtocol(new Protocol1_12_1To1_12_2(), ProtocolVersion.v1_12_1, ProtocolVersion.v1_12_2);
-        ProtocolRegistry.registerProtocol(new Protocol1_12_2To1_13(), Collections.singletonList(ProtocolVersion.v1_12_2.getId()), ProtocolVersion.v1_13.getId());
+        registerProtocol(new Protocol1_12_2To1_13(), ProtocolVersion.v1_12_2, ProtocolVersion.v1_13);
-        ProtocolRegistry.registerProtocol(new Protocol1_13To1_13_1(), Collections.singletonList(ProtocolVersion.v1_13.getId()), ProtocolVersion.v1_13_1.getId());
+        registerProtocol(new Protocol1_13To1_13_1(), ProtocolVersion.v1_13, ProtocolVersion.v1_13_1);
-        ProtocolRegistry.registerProtocol(new Protocol1_13_1To1_13_2(), Collections.singletonList(ProtocolVersion.v1_13_1.getId()), ProtocolVersion.v1_13_2.getId());
+        registerProtocol(new Protocol1_13_1To1_13_2(), ProtocolVersion.v1_13_1, ProtocolVersion.v1_13_2);
-        ProtocolRegistry.registerProtocol(new Protocol1_13_2To1_14(), Collections.singletonList(ProtocolVersion.v1_13_2.getId()), ProtocolVersion.v1_14.getId());
+        registerProtocol(new Protocol1_13_2To1_14(), ProtocolVersion.v1_13_2, ProtocolVersion.v1_14);
-        ProtocolRegistry.registerProtocol(new Protocol1_14To1_14_1(), Collections.singletonList(ProtocolVersion.v1_14.getId()), ProtocolVersion.v1_14_1.getId());
+        registerProtocol(new Protocol1_14To1_14_1(), ProtocolVersion.v1_14, ProtocolVersion.v1_14_1);
-        ProtocolRegistry.registerProtocol(new Protocol1_14_1To1_14_2(), Collections.singletonList(ProtocolVersion.v1_14_1.getId()), ProtocolVersion.v1_14_2.getId());
+        registerProtocol(new Protocol1_14_1To1_14_2(), ProtocolVersion.v1_14_1, ProtocolVersion.v1_14_2);
-        ProtocolRegistry.registerProtocol(new Protocol1_14_2To1_14_3(), Collections.singletonList(ProtocolVersion.v1_14_2.getId()), ProtocolVersion.v1_14_3.getId());
+        registerProtocol(new Protocol1_14_2To1_14_3(), ProtocolVersion.v1_14_2, ProtocolVersion.v1_14_3);
-        ProtocolRegistry.registerProtocol(new Protocol1_14_3To1_14_4(), Collections.singletonList(ProtocolVersion.v1_14_3.getId()), ProtocolVersion.v1_14_4.getId());
+        registerProtocol(new Protocol1_14_3To1_14_4(), ProtocolVersion.v1_14_3, ProtocolVersion.v1_14_4);
+        registerProtocol(new Protocol1_14_4To1_15(), ProtocolVersion.v1_14_4, ProtocolVersion.v1_15);
     }
 
     /**
@@ -71,7 +73,7 @@ public interface ViaBackwardsPlatform {
     Logger getLogger();
 
     default boolean isOutdated() {
-        String minimumVVVersion = "2.0.0";
+        String minimumVVVersion = "3.0.0";
         boolean upToDate = false;
         try {
             Class<?> vvVersionInfo = Class.forName("us.myles.ViaVersion.sponge.VersionInfo");
@@ -98,7 +100,7 @@ public interface ViaBackwardsPlatform {
     }
 
     /**
-     * Disable the plugin
+     * Disable the plugin.
      */
     void disable();
 }

core/src/main/java/nl/matsv/viabackwards/api/data/VBMappingDataLoader.java

@@ -0,0 +1,98 @@
+package nl.matsv.viabackwards.api.data;
+
+import nl.matsv.viabackwards.ViaBackwards;
+import us.myles.ViaVersion.api.Via;
+import us.myles.ViaVersion.api.data.MappingDataLoader;
+import us.myles.ViaVersion.util.GsonUtil;
+import us.myles.viaversion.libs.gson.JsonArray;
+import us.myles.viaversion.libs.gson.JsonElement;
+import us.myles.viaversion.libs.gson.JsonObject;
+import us.myles.viaversion.libs.gson.JsonPrimitive;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.Map;
+
+public class VBMappingDataLoader {
+
+    public static JsonObject loadData(String name) {
+        InputStream stream = VBMappingDataLoader.class.getClassLoader().getResourceAsStream("assets/viabackwards/data/" + name);
+        InputStreamReader reader = new InputStreamReader(stream);
+        try {
+            return GsonUtil.getGson().fromJson(reader, JsonObject.class);
+        } finally {
+            try {
+                reader.close();
+            } catch (IOException ignored) {
+                // Ignored
+            }
+        }
+    }
+
+    public static void mapIdentifiers(short[] output, JsonObject oldIdentifiers, JsonObject newIdentifiers, JsonObject diffIdentifiers) {
+        mapIdentifiers(output, oldIdentifiers, newIdentifiers, diffIdentifiers, true);
+    }
+
+    public static void mapIdentifiers(short[] output, JsonObject oldIdentifiers, JsonObject newIdentifiers, JsonObject diffIdentifiers, boolean warnOnMissing) {
+        for (Map.Entry<String, JsonElement> entry : oldIdentifiers.entrySet()) {
+            String key = entry.getValue().getAsString();
+            Map.Entry<String, JsonElement> value = MappingDataLoader.findValue(newIdentifiers, key);
+            if (value == null) {
+                // Search in diff mappings
+                if (diffIdentifiers != null) {
+                    JsonPrimitive diffValue = diffIdentifiers.getAsJsonPrimitive(key);
+                    if (diffValue == null && key.contains("[")) {
+                        diffValue = diffIdentifiers.getAsJsonPrimitive(key.substring(0, key.indexOf('[')));
+                    }
+                    if (diffValue == null) {
+                        if (warnOnMissing && !Via.getConfig().isSuppress1_13ConversionErrors() || Via.getManager().isDebug()) {
+                            ViaBackwards.getPlatform().getLogger().warning("No diff key for " + entry.getValue() + " :( ");
+                        }
+                        continue;
+                    }
+                    value = MappingDataLoader.findValue(newIdentifiers, diffValue.getAsString());
+                }
+                if (value == null) {
+                    if (warnOnMissing && !Via.getConfig().isSuppress1_13ConversionErrors() || Via.getManager().isDebug()) {
+                        ViaBackwards.getPlatform().getLogger().warning("No key for " + entry.getValue() + " :( ");
+                    }
+                    continue;
+                }
+            }
+            output[Integer.parseInt(entry.getKey())] = Short.parseShort(value.getKey());
+        }
+    }
+
+    public static void mapIdentifiers(short[] output, JsonArray oldIdentifiers, JsonArray newIdentifiers, JsonObject diffIdentifiers, boolean warnOnMissing) {
+        int i = -1;
+        for (JsonElement oldIdentifier : oldIdentifiers) {
+            i++;
+            String key = oldIdentifier.getAsString();
+            Integer index = MappingDataLoader.findIndex(newIdentifiers, key);
+            if (index == null) {
+                // Search in diff mappings
+                if (diffIdentifiers != null) {
+                    JsonPrimitive diffValue = diffIdentifiers.getAsJsonPrimitive(key);
+                    if (diffValue == null) {
+                        if (warnOnMissing && !Via.getConfig().isSuppress1_13ConversionErrors() || Via.getManager().isDebug()) {
+                            ViaBackwards.getPlatform().getLogger().warning("No diff key for " + key + " :( ");
+                        }
+                        continue;
+                    }
+                    String mappedName = diffValue.getAsString();
+                    if (mappedName.isEmpty()) continue; // "empty" remaps
+
+                    index = MappingDataLoader.findIndex(newIdentifiers, mappedName);
+                }
+                if (index == null) {
+                    if (warnOnMissing && !Via.getConfig().isSuppress1_13ConversionErrors() || Via.getManager().isDebug()) {
+                        ViaBackwards.getPlatform().getLogger().warning("No key for " + key + " :( ");
+                    }
+                    continue;
+                }
+            }
+            output[i] = index.shortValue();
+        }
+    }
+}

core/src/main/java/nl/matsv/viabackwards/api/data/VBMappings.java

@@ -0,0 +1,44 @@
+package nl.matsv.viabackwards.api.data;
+
+import us.myles.ViaVersion.api.data.Mappings;
+import us.myles.viaversion.libs.gson.JsonArray;
+import us.myles.viaversion.libs.gson.JsonObject;
+
+import java.util.Arrays;
+
+public class VBMappings extends Mappings {
+
+    public VBMappings(int size, JsonObject oldMapping, JsonObject newMapping, JsonObject diffMapping) {
+        this(size, oldMapping, newMapping, diffMapping, true);
+    }
+
+    public VBMappings(JsonObject oldMapping, JsonObject newMapping, JsonObject diffMapping) {
+        this(oldMapping, newMapping, diffMapping, true);
+    }
+
+    public VBMappings(int size, JsonObject oldMapping, JsonObject newMapping, JsonObject diffMapping, boolean warnOnMissing) {
+        super(create(size, oldMapping, newMapping, diffMapping, warnOnMissing));
+    }
+
+    public VBMappings(JsonObject oldMapping, JsonObject newMapping, JsonObject diffMapping, boolean warnOnMissing) {
+        super(create(oldMapping.entrySet().size(), oldMapping, newMapping, diffMapping, warnOnMissing));
+    }
+
+    public VBMappings(JsonArray oldMapping, JsonArray newMapping, JsonObject diffMapping) {
+        super(create(oldMapping, newMapping, diffMapping, true));
+    }
+
+    private static short[] create(int size, JsonObject oldMapping, JsonObject newMapping, JsonObject diffMapping, boolean warnOnMissing) {
+        short[] oldToNew = new short[size];
+        Arrays.fill(oldToNew, (short) -1);
+        VBMappingDataLoader.mapIdentifiers(oldToNew, oldMapping, newMapping, diffMapping, warnOnMissing);
+        return oldToNew;
+    }
+
+    private static short[] create(JsonArray oldMapping, JsonArray newMapping, JsonObject diffMapping, boolean warnOnMissing) {
+        short[] oldToNew = new short[oldMapping.size()];
+        Arrays.fill(oldToNew, (short) -1);
+        VBMappingDataLoader.mapIdentifiers(oldToNew, oldMapping, newMapping, diffMapping, warnOnMissing);
+        return oldToNew;
+    }
+}

core/src/main/java/nl/matsv/viabackwards/api/entities/storage/EntityTracker.java

@@ -12,6 +12,7 @@ package nl.matsv.viabackwards.api.entities.storage;
 
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
+import lombok.Setter;
 import lombok.ToString;
 import nl.matsv.viabackwards.api.BackwardsProtocol;
 import us.myles.ViaVersion.api.data.StoredObject;

core/src/main/java/nl/matsv/viabackwards/api/exceptions/RemovedValueException.java

@@ -17,5 +17,9 @@ public class RemovedValueException extends IOException {
     /**
      * May be cached since it is never actually printed, only checked.
      */
-    public static final RemovedValueException EX = new RemovedValueException();
+    public static final RemovedValueException EX = new RemovedValueException() {
+        public synchronized Throwable fillInStackTrace() {
+            return this;
+        }
+    };
 }

core/src/main/java/nl/matsv/viabackwards/api/rewriters/BlockItemRewriter.java

@@ -23,6 +23,7 @@ import nl.matsv.viabackwards.utils.ItemUtil;
 import us.myles.ViaVersion.api.minecraft.chunks.Chunk;
 import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
 import us.myles.ViaVersion.api.minecraft.item.Item;
+import us.myles.ViaVersion.protocols.protocol1_13to1_12_2.ChatRewriter;
 import us.myles.viaversion.libs.opennbt.conversion.builtin.CompoundTagConverter;
 import us.myles.viaversion.libs.opennbt.tag.builtin.*;
 
@@ -35,6 +36,7 @@ public abstract class BlockItemRewriter<T extends BackwardsProtocol> extends Rew
     private static final CompoundTagConverter converter = new CompoundTagConverter();
     private final Map<Integer, BlockItemSettings> replacementData = new ConcurrentHashMap<>();
     protected String nbtTagName;
+    protected boolean jsonNameFormat = true;
 
     @Override
     public void register(T protocol) {
@@ -48,7 +50,7 @@ public abstract class BlockItemRewriter<T extends BackwardsProtocol> extends Rew
         return settings;
     }
 
-    protected Item handleItemToClient(Item i) {
+    public Item handleItemToClient(Item i) {
         if (i == null) return null;
 
         BlockItemSettings data = replacementData.get(i.getIdentifier());
@@ -57,14 +59,14 @@ public abstract class BlockItemRewriter<T extends BackwardsProtocol> extends Rew
         Item original = ItemUtil.copyItem(i);
         if (data.hasRepItem()) {
             ItemUtil.copyItem(i, data.getRepItem());
-
+            if (i.getTag() == null) {
-            if (i.getTag() == null)
                 i.setTag(new CompoundTag(""));
+            }
 
             // Backup data for toServer
             i.getTag().put(createViaNBT(original));
 
-            // Keep original data
+            // Keep original data (aisde from the name)
             if (original.getTag() != null) {
                 for (Tag ai : original.getTag()) {
                     i.getTag().put(ai);
@@ -76,7 +78,6 @@ public abstract class BlockItemRewriter<T extends BackwardsProtocol> extends Rew
                 CompoundTag tag = i.getTag().get("display");
                 if (tag.contains("Name")) {
                     String value = (String) tag.get("Name").getValue();
-
                     tag.put(new StringTag("Name",
                             value.replaceAll("%viabackwards_color%", BlockColors.get((int) original.getData()))));
                 }
@@ -84,19 +85,21 @@ public abstract class BlockItemRewriter<T extends BackwardsProtocol> extends Rew
 
             i.setAmount(original.getAmount());
             // Keep original data when -1
-            if (i.getData() == -1)
+            if (i.getData() == -1) {
                 i.setData(original.getData());
+            }
         }
         if (data.hasItemTagHandler()) {
-            if (!i.getTag().contains(nbtTagName))
+            if (!i.getTag().contains(nbtTagName)) {
                 i.getTag().put(createViaNBT(original));
+            }
             data.getItemHandler().handle(i);
         }
 
         return i;
     }
 
-    protected Item handleItemToServer(Item item) {
+    public Item handleItemToServer(Item item) {
         if (item == null) return null;
         if (item.getTag() == null) return item;
 
@@ -242,7 +245,15 @@ public abstract class BlockItemRewriter<T extends BackwardsProtocol> extends Rew
     protected CompoundTag getNamedTag(String text) {
         CompoundTag tag = new CompoundTag("");
         tag.put(new CompoundTag("display"));
-        ((CompoundTag) tag.get("display")).put(new StringTag("Name", ChatColor.RESET + text));
+        text = ChatColor.RESET + text;
+        ((CompoundTag) tag.get("display")).put(new StringTag("Name", jsonNameFormat ? ChatRewriter.legacyTextToJson(text) : text));
+        return tag;
+    }
+
+    protected CompoundTag getNamedJsonTag(String text) {
+        CompoundTag tag = new CompoundTag("");
+        tag.put(new CompoundTag("display"));
+
         return tag;
     }
 

core/src/main/java/nl/matsv/viabackwards/api/rewriters/EntityRewriter.java

@@ -56,8 +56,8 @@ public abstract class EntityRewriter<T extends BackwardsProtocol> extends Rewrit
         return getEntityTracker(connection).getEntityType(id);
     }
 
-    protected void addTrackedEntity(UserConnection connection, int entityId, EntityType type) {
+    protected void addTrackedEntity(PacketWrapper wrapper, int entityId, EntityType type) throws Exception {
-        getEntityTracker(connection).trackEntityType(entityId, type);
+        getEntityTracker(wrapper.user()).trackEntityType(entityId, type);
     }
 
     protected boolean hasData(EntityType type) {
@@ -101,9 +101,10 @@ public abstract class EntityRewriter<T extends BackwardsProtocol> extends Rewrit
     protected MetaStorage handleMeta(UserConnection user, int entityId, MetaStorage storage) throws Exception {
         Optional<EntityTracker.StoredEntity> optEntity = getEntityTracker(user).getEntity(entityId);
         if (!optEntity.isPresent()) {
-            if (!Via.getConfig().isSuppressMetadataErrors())
+            if (!Via.getConfig().isSuppressMetadataErrors()) {
                 ViaBackwards.getPlatform().getLogger().warning("Metadata for entity id: " + entityId + " not sent because the entity doesn't exist. " + storage);
-            throw new CancelException();
+            }
+            throw CancelException.CACHED;
         }
 
         EntityTracker.StoredEntity entity = optEntity.get();
@@ -171,7 +172,6 @@ public abstract class EntityRewriter<T extends BackwardsProtocol> extends Rewrit
                     data.setValue(mobName);
                 }
             }
-
         }
 
         return storage;
@@ -202,6 +202,47 @@ public abstract class EntityRewriter<T extends BackwardsProtocol> extends Rewrit
         });
     }
 
+    protected void register1_15MetadataRewriter(int oldPacketId, int newPacketId, Type<List<Metadata>> metaType) {
+        register1_15MetadataRewriter(oldPacketId, newPacketId, null, metaType);
+    }
+
+    /**
+     * Helper method to handle a metadata list packet and its full initial meta rewrite.
+     */
+    protected void register1_15MetadataRewriter(int oldPacketId, int newPacketId, Type<List<Metadata>> oldMetaType, Type<List<Metadata>> newMetaType) {
+        getProtocol().registerOutgoing(State.PLAY, oldPacketId, newPacketId, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.VAR_INT); // 0 - Entity ID
+                if (oldMetaType != null) {
+                    map(oldMetaType, newMetaType);
+                } else {
+                    map(newMetaType);
+                }
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        int entityId = wrapper.get(Type.VAR_INT, 0);
+                        EntityType type = getEntityType(wrapper.user(), entityId);
+
+                        MetaStorage storage = new MetaStorage(wrapper.get(newMetaType, 0));
+                        handleMeta(wrapper.user(), entityId, storage);
+
+                        Optional<EntityData> optEntDat = getEntityData(type);
+                        if (optEntDat.isPresent()) {
+                            EntityData data = optEntDat.get();
+                            if (data.hasBaseMeta()) {
+                                data.getDefaultMeta().handle(storage);
+                            }
+                        }
+
+                        wrapper.set(newMetaType, 0, storage.getMetaDataList());
+                    }
+                });
+            }
+        });
+    }
+
     protected void registerMetadataRewriter(int oldPacketId, int newPacketId, Type<List<Metadata>> metaType) {
         registerMetadataRewriter(oldPacketId, newPacketId, null, metaType);
     }
@@ -217,7 +258,7 @@ public abstract class EntityRewriter<T extends BackwardsProtocol> extends Rewrit
                 handler(new PacketHandler() {
                     @Override
                     public void handle(PacketWrapper wrapper) throws Exception {
-                        addTrackedEntity(wrapper.user(), (int) wrapper.get(intType, 0), entityType);
+                        addTrackedEntity(wrapper, (int) wrapper.get(intType, 0), entityType);
                     }
                 });
             }
@@ -235,12 +276,12 @@ public abstract class EntityRewriter<T extends BackwardsProtocol> extends Rewrit
         getProtocol().registerOutgoing(State.PLAY, oldPacketId, newPacketId, new PacketRemapper() {
             @Override
             public void registerMap() {
-                map(Type.VAR_INT_ARRAY); // 0 - Entity ids
+                map(Type.VAR_INT_ARRAY_PRIMITIVE); // 0 - Entity ids
                 handler(new PacketHandler() {
                     @Override
                     public void handle(PacketWrapper wrapper) throws Exception {
                         EntityTracker.ProtocolEntityTracker tracker = getEntityTracker(wrapper.user());
-                        for (int entity : wrapper.get(Type.VAR_INT_ARRAY, 0)) {
+                        for (int entity : wrapper.get(Type.VAR_INT_ARRAY_PRIMITIVE, 0)) {
                             tracker.removeEntity(entity);
                         }
                     }
@@ -257,7 +298,7 @@ public abstract class EntityRewriter<T extends BackwardsProtocol> extends Rewrit
         return new PacketHandler() {
             @Override
             public void handle(PacketWrapper wrapper) throws Exception {
-                addTrackedEntity(wrapper.user(), wrapper.get(Type.VAR_INT, 0), getObjectTypeFromId(wrapper.get(Type.BYTE, 0)));
+                addTrackedEntity(wrapper, wrapper.get(Type.VAR_INT, 0), getObjectTypeFromId(wrapper.get(Type.BYTE, 0)));
             }
         };
     }
@@ -267,7 +308,7 @@ public abstract class EntityRewriter<T extends BackwardsProtocol> extends Rewrit
             @Override
             public void handle(PacketWrapper wrapper) throws Exception {
                 Number id = (Number) wrapper.get(intType, typeIndex);
-                addTrackedEntity(wrapper.user(), wrapper.get(Type.VAR_INT, 0), getTypeFromId(id.intValue()));
+                addTrackedEntity(wrapper, wrapper.get(Type.VAR_INT, 0), getTypeFromId(id.intValue()));
             }
         };
     }
@@ -280,7 +321,7 @@ public abstract class EntityRewriter<T extends BackwardsProtocol> extends Rewrit
         return new PacketHandler() {
             @Override
             public void handle(PacketWrapper wrapper) throws Exception {
-                addTrackedEntity(wrapper.user(), (int) wrapper.get(intType, 0), entityType);
+                addTrackedEntity(wrapper, (int) wrapper.get(intType, 0), entityType);
             }
         };
     }
@@ -316,7 +357,7 @@ public abstract class EntityRewriter<T extends BackwardsProtocol> extends Rewrit
         return new PacketHandler() {
             @Override
             public void handle(PacketWrapper wrapper) throws Exception {
-                addTrackedEntity(wrapper.user(), wrapper.get(Type.VAR_INT, 0), entityType);
+                addTrackedEntity(wrapper, wrapper.get(Type.VAR_INT, 0), entityType);
 
                 List<Metadata> metaDataList = handleMeta(wrapper.user(), wrapper.get(Type.VAR_INT, 0),
                         new MetaStorage(wrapper.get(metaType, 0))).getMetaDataList();

core/src/main/java/nl/matsv/viabackwards/api/rewriters/RecipeRewriter.java

@@ -0,0 +1,14 @@
+package nl.matsv.viabackwards.api.rewriters;
+
+import us.myles.ViaVersion.api.PacketWrapper;
+
+public abstract class RecipeRewriter {
+
+    protected final BlockItemRewriter rewriter;
+
+    protected RecipeRewriter(final BlockItemRewriter rewriter) {
+        this.rewriter = rewriter;
+    }
+
+    public abstract void handle(PacketWrapper wrapper, String type) throws Exception;
+}

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_10to1_11/EntityTypeNames.java

@@ -17,10 +17,10 @@ import us.myles.viaversion.libs.opennbt.tag.builtin.CompoundTag;
 import us.myles.viaversion.libs.opennbt.tag.builtin.StringTag;
 
 /*
-    Copied from ViaVersion //TODO implement in EntityTypes?
+    Copied from ViaVersion
  */
 public class EntityTypeNames {
-    private static BiMap<String, String> newToOldNames = HashBiMap.create();
+    private static final BiMap<String, String> NEW_TO_OLD_NAMES = HashBiMap.create();
 
     static {
         add("AreaEffectCloud", "minecraft:area_effect_cloud");
@@ -102,14 +102,14 @@ public class EntityTypeNames {
 
     // Other way around (-:
     private static void add(String oldName, String newName) {
-        newToOldNames.put(newName, oldName);
+        NEW_TO_OLD_NAMES.put(newName, oldName);
     }
 
     public static void toClient(CompoundTag tag) {
         if (tag.get("id") instanceof StringTag) {
             StringTag id = tag.get("id");
-            if (newToOldNames.containsKey(id.getValue())) {
+            if (NEW_TO_OLD_NAMES.containsKey(id.getValue())) {
-                id.setValue(newToOldNames.get(id.getValue()));
+                id.setValue(NEW_TO_OLD_NAMES.get(id.getValue()));
             }
         }
     }
@@ -130,7 +130,7 @@ public class EntityTypeNames {
     }
 
     private static boolean hasEntityTag(Item item) {
-        if (item != null && item.getId() == 383) { // Monster Egg
+        if (item != null && item.getIdentifier() == 383) { // Monster Egg
             CompoundTag tag = item.getTag();
             if (tag != null && tag.contains("EntityTag") && tag.get("EntityTag") instanceof CompoundTag) {
                 if (((CompoundTag) tag.get("EntityTag")).get("id") instanceof StringTag) {

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_10to1_11/packets/BlockItemPackets1_11.java

@@ -47,6 +47,7 @@ public class BlockItemPackets1_11 extends BlockItemRewriter<Protocol1_10To1_11>
 
     @Override
     protected void registerPackets(Protocol1_10To1_11 protocol) {
+        jsonNameFormat = false;
         ItemRewriter itemRewriter = new ItemRewriter(protocol, this::handleItemToClient, this::handleItemToServer);
 
         // Set slot packet
@@ -351,8 +352,8 @@ public class BlockItemPackets1_11 extends BlockItemRewriter<Protocol1_10To1_11>
         // ShulkerBoxes to EnderChest
         for (int i = 219; i < 235; i++)
             rewrite(i)
-                    .repItem(new Item((short) 130, (byte) 1, (short) 0, getNamedTag("1.11 " + BlockColors.get(i - 219) + " Shulker Box")))
+                    .repItem(new Item(130, (byte) 1, (short) 0, getNamedTag("1.11 " + BlockColors.get(i - 219) + " Shulker Box")))
-                    .repBlock(new Block(130, 4)) // TODO investigate this
+                    .repBlock(new Block(130, 4))
                     .blockEntityHandler((block, tag) -> {
                         tag.remove("id");
                         tag.put(new StringTag("id", "minecraft:chest"));
@@ -360,7 +361,7 @@ public class BlockItemPackets1_11 extends BlockItemRewriter<Protocol1_10To1_11>
                     });
 
         // Observer to Dispenser
-        rewrite(218).repItem(new Item((short) 23, (byte) 1, (short) 0, getNamedTag("1.11 Observer"))).repBlock(new Block(23, -1));
+        rewrite(218).repItem(new Item(23, (byte) 1, (short) 0, getNamedTag("1.11 Observer"))).repBlock(new Block(23, -1));
 
         // Handle spawner block entity
         rewrite(52).blockEntityHandler((b, tag) -> {
@@ -375,10 +376,10 @@ public class BlockItemPackets1_11 extends BlockItemRewriter<Protocol1_10To1_11>
         });
 
         // Totem of Undying to Dead Bush
-        rewrite(449).repItem(new Item((short) 32, (byte) 1, (short) 0, getNamedTag("1.11 Totem of Undying")));
+        rewrite(449).repItem(new Item(32, (byte) 1, (short) 0, getNamedTag("1.11 Totem of Undying")));
 
         // Shulker shell to Popped Chorus Fruit
-        rewrite(450).repItem(new Item((short) 433, (byte) 1, (short) 0, getNamedTag("1.11 Shulker Shell")));
+        rewrite(450).repItem(new Item(433, (byte) 1, (short) 0, getNamedTag("1.11 Shulker Shell")));
 
         enchantmentRewriter = new LegacyEnchantmentRewriter(nbtTagName);
         enchantmentRewriter.registerEnchantment(71, "§cCurse of Vanishing");
@@ -388,7 +389,7 @@ public class BlockItemPackets1_11 extends BlockItemRewriter<Protocol1_10To1_11>
     }
 
     @Override
-    protected Item handleItemToClient(final Item item) {
+    public Item handleItemToClient(final Item item) {
         if (item == null) return null;
         super.handleItemToClient(item);
 
@@ -405,7 +406,7 @@ public class BlockItemPackets1_11 extends BlockItemRewriter<Protocol1_10To1_11>
     }
 
     @Override
-    protected Item handleItemToServer(final Item item) {
+    public Item handleItemToServer(final Item item) {
         if (item == null) return null;
         super.handleItemToServer(item);
 
@@ -442,7 +443,6 @@ public class BlockItemPackets1_11 extends BlockItemRewriter<Protocol1_10To1_11>
         return Optional.empty();
     }
 
-    // TODO improve the llama inventory part
     private int getNewSlotId(ChestedHorseStorage storage, int slotId) {
         int totalSlots = !storage.isChested() ? 38 : 53;
         int strength = storage.isChested() ? storage.getLiamaStrength() : 0;
@@ -477,7 +477,7 @@ public class BlockItemPackets1_11 extends BlockItemRewriter<Protocol1_10To1_11>
         int endNonExistingFormula = 2 + 3 * (storage.isChested() ? 5 : 0);
 
         if (slotId >= startNonExistingFormula && slotId < endNonExistingFormula)
-            return new Item((short) 166, (byte) 1, (short) 0, getNamedTag(ChatColor.RED + "SLOT DISABLED"));
+            return new Item(166, (byte) 1, (short) 0, getNamedTag(ChatColor.RED + "SLOT DISABLED"));
         if (slotId == 1)
             return null;
         return current;

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_10to1_11/packets/EntityPackets1_11.java

@@ -344,7 +344,7 @@ public class EntityPackets1_11 extends EntityRewriter<Protocol1_10To1_11> {
             return data;
         });
 
-        // Create chested horse storage TODO create on mob spawn?
+        // Create chested horse storage
         registerMetaHandler().filter(Entity1_11Types.EntityType.CHESTED_HORSE, true).handle(e -> {
             if (!e.getEntity().has(ChestedHorseStorage.class))
                 e.getEntity().put(new ChestedHorseStorage());

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_11_1to1_12/Protocol1_11_1To1_12.java

@@ -20,7 +20,6 @@ import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
 
 @Getter
 public class Protocol1_11_1To1_12 extends BackwardsProtocol {
-    // TODO checkAndStore all rewriters and make them easy accessible?
     private EntityPackets1_12 entityPackets;
     private BlockItemPackets1_12 blockItemPackets;
 

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_11_1to1_12/data/BlockColors.java

@@ -10,11 +10,11 @@
 
 package nl.matsv.viabackwards.protocol.protocol1_11_1to1_12.data;
 
+import java.util.HashMap;
 import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
 
 public class BlockColors {
-    private static Map<Integer, String> colors = new ConcurrentHashMap<>();
+    private static final Map<Integer, String> COLORS = new HashMap<>();
     private static int count = 0;
 
     static {
@@ -37,14 +37,14 @@ public class BlockColors {
     }
 
     private static void add(String value) {
-        colors.put(count++, value);
+        COLORS.put(count++, value);
     }
 
     public static boolean has(Integer key) {
-        return colors.containsKey(key);
+        return COLORS.containsKey(key);
     }
 
     public static String get(Integer key) {
-        return colors.getOrDefault(key, "Unknown color");
+        return COLORS.getOrDefault(key, "Unknown color");
     }
 }

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_11_1to1_12/data/MapColorMapping.java

@@ -4,75 +4,76 @@ import java.util.HashMap;
 import java.util.Map;
 
 public class MapColorMapping {
-	private static Map<Integer, Integer> mapping = new HashMap<>();
+    private static final Map<Integer, Integer> MAPPING = new HashMap<>();
-	static {
-		mapping.put(144, 59); // (148, 124, 114) -> (148, 124, 114)
-		mapping.put(145, 56); // (180, 153, 139) -> (180, 153, 139)
-		mapping.put(146, 56); // (209, 177, 161) -> (209, 177, 161)
-		mapping.put(147, 45); // (111, 94, 85) -> (111, 94, 85)
-		mapping.put(148, 63); // (112, 58, 25) -> (112, 58, 25)
-		mapping.put(149, 60); // (137, 71, 31) -> (137, 71, 31)
-		mapping.put(150, 60); // (159, 82, 36) -> (159, 82, 36)
-		mapping.put(151, 136); // (84, 43, 19) -> (84, 43, 19)
-		mapping.put(152, 83); // (105, 61, 76) -> (105, 61, 76)
-		mapping.put(153, 83); // (129, 75, 93) -> (129, 75, 93)
-		mapping.put(154, 80); // (149, 87, 108) -> (149, 87, 108)
-		mapping.put(155, 115); // (79, 46, 57) -> (79, 46, 57)
-		mapping.put(156, 39); // (79, 76, 97) -> (79, 76, 97)
-		mapping.put(157, 39); // (97, 93, 119) -> (97, 93, 119)
-		mapping.put(158, 36); // (112, 108, 138) -> (112, 108, 138)
-		mapping.put(159, 47); // (59, 57, 73) -> (59, 57, 73)
-		mapping.put(160, 60); // (131, 94, 25) -> (131, 94, 25)
-		mapping.put(161, 61); // (160, 115, 31) -> (160, 115, 31)
-		mapping.put(162, 62); // (186, 133, 36) -> (186, 133, 36)
-		mapping.put(163, 137); // (98, 70, 19) -> (98, 70, 19)
-		mapping.put(164, 108); // (73, 83, 37) -> (73, 83, 37)
-		mapping.put(165, 108); // (89, 101, 46) -> (89, 101, 46)
-		mapping.put(166, 109); // (103, 117, 53) -> (103, 117, 53)
-		mapping.put(167, 111); // (55, 62, 28) -> (55, 62, 28)
-		mapping.put(168, 112); // (113, 54, 55) -> (113, 54, 55)
-		mapping.put(169, 113); // (138, 66, 67) -> (138, 66, 67)
-		mapping.put(170, 114); // (160, 77, 78) -> (160, 77, 78)
-		mapping.put(171, 115); // (85, 41, 41) -> (85, 41, 41)
-		mapping.put(172, 118); // (40, 29, 25) -> (40, 29, 25)
-		mapping.put(173, 107); // (49, 35, 30) -> (49, 35, 30)
-		mapping.put(174, 107); // (57, 41, 35) -> (57, 41, 35)
-		mapping.put(175, 118); // (30, 22, 19) -> (30, 22, 19)
-		mapping.put(176, 91); // (95, 76, 69) -> (95, 76, 69)
-		mapping.put(177, 45); // (116, 92, 85) -> (116, 92, 85)
-		mapping.put(178, 46); // (135, 107, 98) -> (135, 107, 98)
-		mapping.put(179, 47); // (71, 57, 52) -> (71, 57, 52)
-		mapping.put(180, 85); // (61, 65, 65) -> (61, 65, 65)
-		mapping.put(181, 44); // (75, 79, 79) -> (75, 79, 79)
-		mapping.put(182, 27); // (87, 92, 92) -> (87, 92, 92)
-		mapping.put(183, 84); // (46, 49, 49) -> (46, 49, 49)
-		mapping.put(184, 83); // (86, 52, 62) -> (86, 52, 62)
-		mapping.put(185, 83); // (105, 63, 76) -> (105, 63, 76)
-		mapping.put(186, 83); // (122, 73, 88) -> (122, 73, 88)
-		mapping.put(187, 84); // (65, 39, 47) -> (65, 39, 47)
-		mapping.put(188, 84); // (54, 44, 65) -> (54, 44, 65)
-		mapping.put(189, 71); // (66, 53, 79) -> (66, 53, 79)
-		mapping.put(190, 71); // (76, 62, 92) -> (76, 62, 92)
-		mapping.put(191, 87); // (40, 33, 49) -> (40, 33, 49)
-		mapping.put(192, 107); // (54, 35, 25) -> (54, 35, 25)
-		mapping.put(193, 139); // (66, 43, 30) -> (66, 43, 30)
-		mapping.put(194, 43); // (76, 50, 35) -> (76, 50, 35)
-		mapping.put(195, 107); // (40, 26, 19) -> (40, 26, 19)
-		mapping.put(196, 111); // (54, 58, 30) -> (54, 58, 30)
-		mapping.put(197, 111); // (66, 71, 36) -> (66, 71, 36)
-		mapping.put(198, 111); // (76, 82, 42) -> (76, 82, 42)
-		mapping.put(199, 107); // (40, 43, 22) -> (40, 43, 22)
-		mapping.put(200, 112); // (100, 42, 32) -> (100, 42, 32)
-		mapping.put(201, 113); // (123, 52, 40) -> (123, 52, 40)
-		mapping.put(202, 113); // (142, 60, 46) -> (142, 60, 46)
-		mapping.put(203, 115); // (75, 32, 24) -> (75, 32, 24)
-		mapping.put(204, 116); // (26, 16, 11) -> (26, 16, 11)
-		mapping.put(205, 117); // (32, 19, 14) -> (32, 19, 14)
-		mapping.put(206, 107); // (37, 22, 16) -> (37, 22, 16)
-		mapping.put(207, 119); // (20, 12, 8) -> (20, 12, 8)
-	}
 
-	public static int getNearestOldColor(int color) {
+    static {
-		return mapping.getOrDefault(color, color);
+        MAPPING.put(144, 59); // (148, 124, 114) -> (148, 124, 114)
-	}
+        MAPPING.put(145, 56); // (180, 153, 139) -> (180, 153, 139)
+        MAPPING.put(146, 56); // (209, 177, 161) -> (209, 177, 161)
+        MAPPING.put(147, 45); // (111, 94, 85) -> (111, 94, 85)
+        MAPPING.put(148, 63); // (112, 58, 25) -> (112, 58, 25)
+        MAPPING.put(149, 60); // (137, 71, 31) -> (137, 71, 31)
+        MAPPING.put(150, 60); // (159, 82, 36) -> (159, 82, 36)
+        MAPPING.put(151, 136); // (84, 43, 19) -> (84, 43, 19)
+        MAPPING.put(152, 83); // (105, 61, 76) -> (105, 61, 76)
+        MAPPING.put(153, 83); // (129, 75, 93) -> (129, 75, 93)
+        MAPPING.put(154, 80); // (149, 87, 108) -> (149, 87, 108)
+        MAPPING.put(155, 115); // (79, 46, 57) -> (79, 46, 57)
+        MAPPING.put(156, 39); // (79, 76, 97) -> (79, 76, 97)
+        MAPPING.put(157, 39); // (97, 93, 119) -> (97, 93, 119)
+        MAPPING.put(158, 36); // (112, 108, 138) -> (112, 108, 138)
+        MAPPING.put(159, 47); // (59, 57, 73) -> (59, 57, 73)
+        MAPPING.put(160, 60); // (131, 94, 25) -> (131, 94, 25)
+        MAPPING.put(161, 61); // (160, 115, 31) -> (160, 115, 31)
+        MAPPING.put(162, 62); // (186, 133, 36) -> (186, 133, 36)
+        MAPPING.put(163, 137); // (98, 70, 19) -> (98, 70, 19)
+        MAPPING.put(164, 108); // (73, 83, 37) -> (73, 83, 37)
+        MAPPING.put(165, 108); // (89, 101, 46) -> (89, 101, 46)
+        MAPPING.put(166, 109); // (103, 117, 53) -> (103, 117, 53)
+        MAPPING.put(167, 111); // (55, 62, 28) -> (55, 62, 28)
+        MAPPING.put(168, 112); // (113, 54, 55) -> (113, 54, 55)
+        MAPPING.put(169, 113); // (138, 66, 67) -> (138, 66, 67)
+        MAPPING.put(170, 114); // (160, 77, 78) -> (160, 77, 78)
+        MAPPING.put(171, 115); // (85, 41, 41) -> (85, 41, 41)
+        MAPPING.put(172, 118); // (40, 29, 25) -> (40, 29, 25)
+        MAPPING.put(173, 107); // (49, 35, 30) -> (49, 35, 30)
+        MAPPING.put(174, 107); // (57, 41, 35) -> (57, 41, 35)
+        MAPPING.put(175, 118); // (30, 22, 19) -> (30, 22, 19)
+        MAPPING.put(176, 91); // (95, 76, 69) -> (95, 76, 69)
+        MAPPING.put(177, 45); // (116, 92, 85) -> (116, 92, 85)
+        MAPPING.put(178, 46); // (135, 107, 98) -> (135, 107, 98)
+        MAPPING.put(179, 47); // (71, 57, 52) -> (71, 57, 52)
+        MAPPING.put(180, 85); // (61, 65, 65) -> (61, 65, 65)
+        MAPPING.put(181, 44); // (75, 79, 79) -> (75, 79, 79)
+        MAPPING.put(182, 27); // (87, 92, 92) -> (87, 92, 92)
+        MAPPING.put(183, 84); // (46, 49, 49) -> (46, 49, 49)
+        MAPPING.put(184, 83); // (86, 52, 62) -> (86, 52, 62)
+        MAPPING.put(185, 83); // (105, 63, 76) -> (105, 63, 76)
+        MAPPING.put(186, 83); // (122, 73, 88) -> (122, 73, 88)
+        MAPPING.put(187, 84); // (65, 39, 47) -> (65, 39, 47)
+        MAPPING.put(188, 84); // (54, 44, 65) -> (54, 44, 65)
+        MAPPING.put(189, 71); // (66, 53, 79) -> (66, 53, 79)
+        MAPPING.put(190, 71); // (76, 62, 92) -> (76, 62, 92)
+        MAPPING.put(191, 87); // (40, 33, 49) -> (40, 33, 49)
+        MAPPING.put(192, 107); // (54, 35, 25) -> (54, 35, 25)
+        MAPPING.put(193, 139); // (66, 43, 30) -> (66, 43, 30)
+        MAPPING.put(194, 43); // (76, 50, 35) -> (76, 50, 35)
+        MAPPING.put(195, 107); // (40, 26, 19) -> (40, 26, 19)
+        MAPPING.put(196, 111); // (54, 58, 30) -> (54, 58, 30)
+        MAPPING.put(197, 111); // (66, 71, 36) -> (66, 71, 36)
+        MAPPING.put(198, 111); // (76, 82, 42) -> (76, 82, 42)
+        MAPPING.put(199, 107); // (40, 43, 22) -> (40, 43, 22)
+        MAPPING.put(200, 112); // (100, 42, 32) -> (100, 42, 32)
+        MAPPING.put(201, 113); // (123, 52, 40) -> (123, 52, 40)
+        MAPPING.put(202, 113); // (142, 60, 46) -> (142, 60, 46)
+        MAPPING.put(203, 115); // (75, 32, 24) -> (75, 32, 24)
+        MAPPING.put(204, 116); // (26, 16, 11) -> (26, 16, 11)
+        MAPPING.put(205, 117); // (32, 19, 14) -> (32, 19, 14)
+        MAPPING.put(206, 107); // (37, 22, 16) -> (37, 22, 16)
+        MAPPING.put(207, 119); // (20, 12, 8) -> (20, 12, 8)
+    }
+
+    public static int getNearestOldColor(int color) {
+        return MAPPING.getOrDefault(color, color);
+    }
 }

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_11_1to1_12/packets/BlockItemPackets1_12.java

@@ -33,9 +33,10 @@ import us.myles.viaversion.libs.opennbt.tag.builtin.ListTag;
 import java.util.Collections;
 
 public class BlockItemPackets1_12 extends BlockItemRewriter<Protocol1_11_1To1_12> {
+
     @Override
     protected void registerPackets(Protocol1_11_1To1_12 protocol) {
-
+        jsonNameFormat = false;
         protocol.registerOutgoing(State.PLAY, 0x24, 0x24, new PacketRemapper() {
             @Override
             public void registerMap() {
@@ -59,7 +60,7 @@ public class BlockItemPackets1_12 extends BlockItemRewriter<Protocol1_11_1To1_12
                         short rows = wrapper.passthrough(Type.UNSIGNED_BYTE);
                         wrapper.passthrough(Type.BYTE);  //X
                         wrapper.passthrough(Type.BYTE);  //Z
-                        Byte[] data = wrapper.read(Type.BYTE_ARRAY);
+                        byte[] data = wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
                         for (int i = 0; i < data.length; i++) {
                             short color = (short) (data[i] & 0xFF);
                             if (color > 143) {
@@ -67,7 +68,7 @@ public class BlockItemPackets1_12 extends BlockItemRewriter<Protocol1_11_1To1_12
                                 data[i] = (byte) color;
                             }
                         }
-                        wrapper.write(Type.BYTE_ARRAY, data);
+                        wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, data);
                     }
                 });
             }
@@ -264,17 +265,17 @@ public class BlockItemPackets1_12 extends BlockItemRewriter<Protocol1_11_1To1_12
     protected void registerRewrites() {
         // Concrete -> Stained clay? (Also got a new name Terracota?)
         rewrite(251)
-                .repItem(new Item((short) 159, (byte) 1, (short) -1, getNamedTag("1.12 %viabackwards_color% Concrete")))
+                .repItem(new Item(159, (byte) 1, (short) -1, getNamedTag("1.12 %viabackwards_color% Concrete")))
                 .repBlock(new Block(159, -1));
 
         // Concrete Powder -> Wool
         rewrite(252)
-                .repItem(new Item((short) 35, (byte) 1, (short) -1, getNamedTag("1.12 %viabackwards_color% Concrete Powder")))
+                .repItem(new Item(35, (byte) 1, (short) -1, getNamedTag("1.12 %viabackwards_color% Concrete Powder")))
                 .repBlock(new Block(35, -1));
 
         // Knowledge book -> book
         rewrite(453)
-                .repItem(new Item((short) 340, (byte) 1, (short) 0, getNamedTag("1.12 Knowledge Book")))
+                .repItem(new Item(340, (byte) 1, (short) 0, getNamedTag("1.12 Knowledge Book")))
                 .itemHandler(i -> {
                     CompoundTag tag = i.getTag();
 
@@ -286,11 +287,11 @@ public class BlockItemPackets1_12 extends BlockItemRewriter<Protocol1_11_1To1_12
 
         // Glazed Terracotta -> Stained Clay
         for (int i = 235; i < 251; i++) {
-            rewrite(i).repItem(new Item((short) 159, (byte) 1, (short) (i - 235), getNamedTag("1.12 " + BlockColors.get(i - 235) + " Glazed Terracotta")))
+            rewrite(i).repItem(new Item(159, (byte) 1, (short) (i - 235), getNamedTag("1.12 " + BlockColors.get(i - 235) + " Glazed Terracotta")))
                     .repBlock(new Block(159, (i - 235)));
         }
 
         // Handle beds
-        rewrite(355).repItem(new Item((short) 355, (byte) 1, (short) 0, getNamedTag("1.12 %viabackwards_color% Bed")));
+        rewrite(355).repItem(new Item(355, (byte) 1, (short) 0, getNamedTag("1.12 %viabackwards_color% Bed")));
     }
 }

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_11_1to1_12/packets/ChatPackets1_12.java

@@ -63,7 +63,7 @@ public class ChatPackets1_12 extends Rewriter<Protocol1_11_1To1_12> {
 
     }
 
-    // TODO improve this, not copying will cause ConcurrentModificationException
+    // improve this, not copying will cause ConcurrentModificationException
     public void handleTranslations(JsonObject object) {
         JsonObject copiedObj = copy(object);
 

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_11to1_11_1/packets/ItemPackets1_11_1.java

@@ -30,6 +30,7 @@ public class ItemPackets1_11_1 extends BlockItemRewriter<Protocol1_11To1_11_1> {
 
     @Override
     protected void registerPackets(Protocol1_11To1_11_1 protocol) {
+        jsonNameFormat = false;
         ItemRewriter itemRewriter = new ItemRewriter(protocol, this::handleItemToClient, this::handleItemToServer);
 
         // Set slot packet
@@ -98,7 +99,7 @@ public class ItemPackets1_11_1 extends BlockItemRewriter<Protocol1_11To1_11_1> {
     }
 
     @Override
-    protected Item handleItemToClient(final Item item) {
+    public Item handleItemToClient(final Item item) {
         if (item == null) return null;
         super.handleItemToClient(item);
 
@@ -115,7 +116,7 @@ public class ItemPackets1_11_1 extends BlockItemRewriter<Protocol1_11To1_11_1> {
     }
 
     @Override
-    protected Item handleItemToServer(final Item item) {
+    public Item handleItemToServer(final Item item) {
         if (item == null) return null;
         super.handleItemToServer(item);
 

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/Protocol1_12_2To1_13.java

@@ -15,7 +15,6 @@ import nl.matsv.viabackwards.api.BackwardsProtocol;
 import nl.matsv.viabackwards.api.entities.storage.EntityTracker;
 import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.data.BackwardsMappings;
 import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.data.PaintingMapping;
-import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.data.SoundMapping;
 import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.packets.BlockItemPackets1_13;
 import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.packets.EntityPackets1_13;
 import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.packets.PlayerPacket1_13;
@@ -39,7 +38,6 @@ public class Protocol1_12_2To1_13 extends BackwardsProtocol {
     static {
         BackwardsMappings.init();
         PaintingMapping.init();
-        SoundMapping.init();
     }
 
     @Override
@@ -59,7 +57,6 @@ public class Protocol1_12_2To1_13 extends BackwardsProtocol {
         out(State.PLAY, 0x13, 0x12); // Close Window (clientbound)
         out(State.PLAY, 0x14, 0x13); // Open Window
         out(State.PLAY, 0x16, 0x15); // Window Property
-        out(State.PLAY, 0x18, 0x17); // Set Cooldown
         out(State.PLAY, 0x1B, 0x1A); // Disconnect (play)
         out(State.PLAY, 0x1C, 0x1B); // Entity Status
         out(State.PLAY, 0x1D, -1, cancel()); // NBT Query Response (client won't send a request, so the server should not answer)
@@ -166,14 +163,8 @@ public class Protocol1_12_2To1_13 extends BackwardsProtocol {
         return new PacketRemapper() {
             @Override
             public void registerMap() {
-                handler(new PacketHandler() {
+                handler(PacketWrapper::cancel);
-                    @Override
-                    public void handle(PacketWrapper packetWrapper) throws Exception {
-                        packetWrapper.cancel();
-                    }
-                });
             }
         };
     }
-
 }

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/block_entity_handlers/PistonHandler.java

@@ -53,7 +53,7 @@ public class PistonHandler implements BackwardsBlockEntityProvider.BackwardsBloc
 
     // There doesn't seem to be a nicer way around it :(
     private void addEntries(String data, int id) {
-        id = BackwardsMappings.blockMappings.getNewBlock(id);
+        id = BackwardsMappings.blockMappings.getNewId(id);
         pistonIds.put(data, id);
 
         String substring = data.substring(10);

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/data/BackwardsMappings.java

@@ -11,35 +11,50 @@
 package nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.data;
 
 import nl.matsv.viabackwards.ViaBackwards;
+import nl.matsv.viabackwards.api.data.VBMappingDataLoader;
+import nl.matsv.viabackwards.api.data.VBMappings;
 import us.myles.ViaVersion.api.Via;
 import us.myles.ViaVersion.api.data.MappingDataLoader;
-import us.myles.ViaVersion.util.GsonUtil;
+import us.myles.ViaVersion.api.data.Mappings;
 import us.myles.viaversion.libs.gson.JsonElement;
 import us.myles.viaversion.libs.gson.JsonObject;
 import us.myles.viaversion.libs.gson.JsonPrimitive;
 
-import java.io.IOException;
-import java.io.InputStreamReader;
 import java.util.Arrays;
 import java.util.Map;
 
 public class BackwardsMappings {
-    public static BlockMappings blockMappings;
+    public static BlockMappingsShortArray blockMappings;
+    public static Mappings soundMappings;
 
     public static void init() {
         JsonObject mapping1_12 = MappingDataLoader.loadData("mapping-1.12.json");
         JsonObject mapping1_13 = MappingDataLoader.loadData("mapping-1.13.json");
-        JsonObject mapping1_12_2to1_13 = loadData("mapping-1.12.2to1.13.json");
+        JsonObject mapping1_12_2to1_13 = VBMappingDataLoader.loadData("mapping-1.12.2to1.13.json");
 
         ViaBackwards.getPlatform().getLogger().info("Loading 1.13 -> 1.12.2 block mapping...");
         blockMappings = new BlockMappingsShortArray(mapping1_13.getAsJsonObject("blocks"), mapping1_12.getAsJsonObject("blocks"), mapping1_12_2to1_13.getAsJsonObject("blockstates"));
+        ViaBackwards.getPlatform().getLogger().info("Loading 1.13 -> 1.12.2 sound mapping...");
+        soundMappings = new VBMappings(mapping1_13.getAsJsonArray("sounds"), mapping1_12.getAsJsonArray("sounds"), mapping1_12_2to1_13.getAsJsonObject("sounds"));
+
+        /*
+        // Simulate some trident sounds
+        SOUNDS[628] = 138; // throw -> shoot
+        SOUNDS[629] = 137; // hit -> hit_player
+        SOUNDS[630] = 137; // hit_ground -> hit
+        SOUNDS[631] = 139; // riptide_1 -> shoot
+        SOUNDS[632] = 139; // riptide_2
+        SOUNDS[633] = 139; // riptide_3
+        SOUNDS[634] = 139; // throw -> shoot
+        // no fitting thunder remap
+         */
     }
 
-
+    // Has lots of compat layers, so we can't use the default Via method
     private static void mapIdentifiers(short[] output, JsonObject newIdentifiers, JsonObject oldIdentifiers, JsonObject mapping) {
         for (Map.Entry<String, JsonElement> entry : newIdentifiers.entrySet()) {
             String key = entry.getValue().getAsString();
-            Map.Entry<String, JsonElement> value = findValue(oldIdentifiers, key);
+            Map.Entry<String, JsonElement> value = MappingDataLoader.findValue(oldIdentifiers, key);
             if (value == null) {
                 JsonPrimitive replacement = mapping.getAsJsonPrimitive(key);
                 if (replacement == null && key.contains("[")) {
@@ -48,9 +63,9 @@ public class BackwardsMappings {
                 if (replacement != null) {
                     if (replacement.getAsString().startsWith("id:")) {
                         String id = replacement.getAsString().replace("id:", "");
-                        value = findValue(oldIdentifiers, oldIdentifiers.getAsJsonPrimitive(id).getAsString());
+                        value = MappingDataLoader.findValue(oldIdentifiers, oldIdentifiers.getAsJsonPrimitive(id).getAsString());
                     } else {
-                        value = findValue(oldIdentifiers, replacement.getAsString());
+                        value = MappingDataLoader.findValue(oldIdentifiers, replacement.getAsString());
                     }
                 }
                 if (value == null) {
@@ -68,41 +83,15 @@ public class BackwardsMappings {
         }
     }
 
-
+    public static class BlockMappingsShortArray {
-    private static Map.Entry<String, JsonElement> findValue(JsonObject object, String needle) {
+        private final short[] oldToNew = new short[8582];
-        for (Map.Entry<String, JsonElement> entry : object.entrySet()) {
-            String value = entry.getValue().getAsString();
-            if (value.equals(needle)) {
-                return entry;
-            }
-        }
-        return null;
-    }
-
-    public static JsonObject loadData(String name) {
-        try (InputStreamReader reader = new InputStreamReader(BackwardsMappings.class.getClassLoader().getResourceAsStream("assets/viabackwards/data/" + name))) {
-            return GsonUtil.getGson().fromJson(reader, JsonObject.class);
-        } catch (IOException ex) {
-            ex.printStackTrace();
-        }
-
-        return null;
-    }
-
-    public interface BlockMappings {
-        int getNewBlock(int old);
-    }
-
-    private static class BlockMappingsShortArray implements BlockMappings {
-        private short[] oldToNew = new short[8582];
 
         private BlockMappingsShortArray(JsonObject newIdentifiers, JsonObject oldIdentifiers, JsonObject mapping) {
             Arrays.fill(oldToNew, (short) -1);
             mapIdentifiers(oldToNew, newIdentifiers, oldIdentifiers, mapping);
         }
 
-        @Override
+        public int getNewId(int old) {
-        public int getNewBlock(int old) {
             return old >= 0 && old < oldToNew.length ? oldToNew[old] : -1;
         }
     }

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/data/EntityNameRewrites.java

@@ -10,16 +10,14 @@
 
 package nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.data;
 
+import java.util.HashMap;
 import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
 
 public class EntityNameRewrites {
-    private static Map<String, String> entityNames = new ConcurrentHashMap<>();
+    private static final Map<String, String> ENTITY_NAMES = new HashMap<>();
 
     static {
-        /*
+        // CHANGED NAMES IN 1.13
-            CHANGED NAMES IN 1.13
-         */
         reg("commandblock_minecart", "command_block_minecart");
         reg("ender_crystal", "end_crystal");
         reg("evocation_fangs", "evoker_fangs");
@@ -36,15 +34,15 @@ public class EntityNameRewrites {
 
 
     private static void reg(String past, String future) {
-        entityNames.put("minecraft:" + future, "minecraft:" + past);
+        ENTITY_NAMES.put("minecraft:" + future, "minecraft:" + past);
     }
 
     public static String rewrite(String entName) {
-        String entityName = entityNames.get(entName);
+        String entityName = ENTITY_NAMES.get(entName);
         if (entityName != null) {
             return entityName;
         }
-        entityName = entityNames.get("minecraft:" + entName);
+        entityName = ENTITY_NAMES.get("minecraft:" + entName);
         if (entityName != null) {
             return entityName;
         } else

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/data/NamedSoundMapping.java

@@ -7,20 +7,20 @@ import java.util.HashMap;
 import java.util.Map;
 
 public class NamedSoundMapping {
-    private static Map<String, String> sounds = new HashMap<>();
+    private static final Map<String, String> SOUNDS = new HashMap<>();
 
     static {
         try {
             Field field = NamedSoundRewriter.class.getDeclaredField("oldToNew");
             field.setAccessible(true);
             Map<String, String> sounds = (Map<String, String>) field.get(null);
-            sounds.forEach((sound1_12, sound1_13) -> NamedSoundMapping.sounds.put(sound1_13, sound1_12));
+            sounds.forEach((sound1_12, sound1_13) -> NamedSoundMapping.SOUNDS.put(sound1_13, sound1_12));
         } catch (NoSuchFieldException | IllegalAccessException ex) {
             ex.printStackTrace();
         }
     }
 
     public static String getOldId(String sound1_13) {
-        return sounds.get(sound1_13);
+        return SOUNDS.get(sound1_13);
     }
 }

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/data/PaintingMapping.java

@@ -4,7 +4,7 @@ import java.util.HashMap;
 import java.util.Map;
 
 public class PaintingMapping {
-    private static Map<Integer, String> paintings = new HashMap<>();
+    private static final Map<Integer, String> PAINTINGS = new HashMap<>();
 
     public static void init() {
         add("Kebab");
@@ -36,10 +36,10 @@ public class PaintingMapping {
     }
 
     private static void add(String motive) {
-        paintings.put(paintings.size(), motive);
+        PAINTINGS.put(PAINTINGS.size(), motive);
     }
 
     public static String getStringId(int id) {
-        return paintings.getOrDefault(id, "kebab");
+        return PAINTINGS.getOrDefault(id, "kebab");
     }
 }

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/data/ParticleMapping.java

@@ -70,8 +70,7 @@ public class ParticleMapping {
                     Item item = protocol.getBlockItemPackets().handleItemToClient(
                             wrapper.read(Type.FLAT_ITEM)
                     );
-
+                    return new Integer[]{item.getIdentifier(), (int) item.getData()};
-                    return new Integer[]{Integer.valueOf(item.getId()), Integer.valueOf(item.getData())};
                 }),          // (27->36) minecraft:item -> iconcrack
                 rewrite(33), // (28->33) minecraft:item_slime -> slime
                 rewrite(31), // (29->31) minecraft:item_snowball -> snowballpoof
@@ -127,12 +126,12 @@ public class ParticleMapping {
     @AllArgsConstructor
     @RequiredArgsConstructor
     public static class ParticleData {
+        private static final Integer[] A = new Integer[0];
         private final int historyId;
         private ParticleHandler handler;
 
         public Integer[] rewriteData(Protocol1_12_2To1_13 protocol, PacketWrapper wrapper) throws Exception {
-            if (handler == null)
+            if (handler == null) return A;
-                return new Integer[0];
             return handler.rewrite(protocol, wrapper);
         }
     }

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/data/SoundMapping.java

@@ -1,54 +0,0 @@
-package nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.data;
-
-import us.myles.viaversion.libs.gson.JsonArray;
-import us.myles.viaversion.libs.gson.JsonElement;
-import us.myles.viaversion.libs.gson.JsonObject;
-
-import java.util.Arrays;
-
-import static us.myles.ViaVersion.api.data.MappingDataLoader.loadData;
-
-public class SoundMapping {
-    private static short[] sounds = new short[662];
-
-    public static void init() {
-        JsonObject mapping1_12 = loadData("mapping-1.12.json");
-        JsonObject mapping1_13 = loadData("mapping-1.13.json");
-
-        Arrays.fill(sounds, (short) -1);
-        mapIdentifiers(sounds, mapping1_13.getAsJsonArray("sounds"), mapping1_12.getAsJsonArray("sounds"));
-
-        // Simulate some trident sounds
-        sounds[628] = 138; // throw -> shoot
-        sounds[629] = 137; // hit -> hit_player
-        sounds[630] = 137; // hit_ground -> hit
-        sounds[631] = 139; // riptide_1 -> shoot
-        sounds[632] = 139; // riptide_2
-        sounds[633] = 139; // riptide_3
-        sounds[634] = 139; // throw -> shoot
-        // no fitting thunder remap
-    }
-
-    private static void mapIdentifiers(short[] output, JsonArray oldIdentifiers, JsonArray newIdentifiers) {
-        for (int i = 0; i < oldIdentifiers.size(); i++) {
-            JsonElement v = oldIdentifiers.get(i);
-            Integer index = findIndex(newIdentifiers, v.getAsString());
-            if (index == null) continue;  //There will be missing sounds, since we are goind backwards
-            output[i] = index.shortValue();
-        }
-    }
-
-    private static Integer findIndex(JsonArray array, String value) {
-        for (int i = 0; i < array.size(); i++) {
-            JsonElement v = array.get(i);
-            if (v.getAsString().equals(value)) {
-                return i;
-            }
-        }
-        return null;
-    }
-
-    public static int getOldSound(int newSound) {
-        return newSound < 0 || newSound >= sounds.length ? -1 : sounds[newSound];
-    }
-}

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/packets/BlockItemPackets1_13.java

@@ -52,7 +52,7 @@ public class BlockItemPackets1_13 extends BlockItemRewriter<Protocol1_12_2To1_13
         if (oldId < 0) {
             oldId = 0; // Some plugins use negative numbers to clear blocks, remap them to air.
         }
-        int newId = BackwardsMappings.blockMappings.getNewBlock(oldId);
+        int newId = BackwardsMappings.blockMappings.getNewId(oldId);
         if (newId != -1)
             return newId;
 
@@ -78,6 +78,30 @@ public class BlockItemPackets1_13 extends BlockItemRewriter<Protocol1_12_2To1_13
     @Override
     protected void registerPackets(Protocol1_12_2To1_13 protocol) {
         NBT_TAG_NAME = "ViaBackwards|" + protocol.getClass().getSimpleName() + "|Part2";
+
+        // Set Cooldown
+        protocol.out(State.PLAY, 0x18, 0x17, new PacketRemapper() {
+            @Override
+            public void registerMap() { //TODO is this actually the correct id conversion?
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        int itemId = wrapper.read(Type.VAR_INT);
+                        Integer oldId = MappingData.oldToNewItems.inverse().get(itemId);
+                        if (oldId != null) {
+                            Optional<String> eggEntityId = SpawnEggRewriter.getEntityId(oldId);
+                            if (eggEntityId.isPresent()) {
+                                itemId = 383 << 16;
+                            } else {
+                                itemId = (oldId >> 4) << 16 | oldId & 0xF;
+                            }
+                        }
+                        wrapper.write(Type.VAR_INT, itemId);
+                    }
+                });
+            }
+        });
+
         // Block Action
         protocol.out(State.PLAY, 0x0A, 0x0A, new PacketRemapper() {
             @Override
@@ -451,130 +475,130 @@ public class BlockItemPackets1_13 extends BlockItemRewriter<Protocol1_12_2To1_13
 
     @Override
     protected void registerRewrites() {
-        rewrite(245).repItem(new Item((short) 241, (byte) 1, (short) -1, getNamedTag("1.13 Acacia Button")));
+        rewrite(245).repItem(new Item(241, (byte) 1, (short) -1, getNamedTag("1.13 Acacia Button")));
-        rewrite(243).repItem(new Item((short) 241, (byte) 1, (short) -1, getNamedTag("1.13 Birch Button")));
+        rewrite(243).repItem(new Item(241, (byte) 1, (short) -1, getNamedTag("1.13 Birch Button")));
-        rewrite(242).repItem(new Item((short) 241, (byte) 1, (short) -1, getNamedTag("1.13 Spruce Button")));
+        rewrite(242).repItem(new Item(241, (byte) 1, (short) -1, getNamedTag("1.13 Spruce Button")));
-        rewrite(244).repItem(new Item((short) 241, (byte) 1, (short) -1, getNamedTag("1.13 Jungle Button")));
+        rewrite(244).repItem(new Item(241, (byte) 1, (short) -1, getNamedTag("1.13 Jungle Button")));
-        rewrite(246).repItem(new Item((short) 241, (byte) 1, (short) -1, getNamedTag("1.13 Dark Oak Button")));
+        rewrite(246).repItem(new Item(241, (byte) 1, (short) -1, getNamedTag("1.13 Dark Oak Button")));
 
-        rewrite(191).repItem(new Item((short) 187, (byte) 1, (short) -1, getNamedTag("1.13 Acacia Trapdoor")));
+        rewrite(191).repItem(new Item(187, (byte) 1, (short) -1, getNamedTag("1.13 Acacia Trapdoor")));
-        rewrite(189).repItem(new Item((short) 187, (byte) 1, (short) -1, getNamedTag("1.13 Birch Trapdoor")));
+        rewrite(189).repItem(new Item(187, (byte) 1, (short) -1, getNamedTag("1.13 Birch Trapdoor")));
-        rewrite(188).repItem(new Item((short) 187, (byte) 1, (short) -1, getNamedTag("1.13 Spruce Trapdoor")));
+        rewrite(188).repItem(new Item(187, (byte) 1, (short) -1, getNamedTag("1.13 Spruce Trapdoor")));
-        rewrite(190).repItem(new Item((short) 187, (byte) 1, (short) -1, getNamedTag("1.13 Jungle Trapdoor")));
+        rewrite(190).repItem(new Item(187, (byte) 1, (short) -1, getNamedTag("1.13 Jungle Trapdoor")));
-        rewrite(192).repItem(new Item((short) 187, (byte) 1, (short) -1, getNamedTag("1.13 Dark Oak Trapdoor")));
+        rewrite(192).repItem(new Item(187, (byte) 1, (short) -1, getNamedTag("1.13 Dark Oak Trapdoor")));
 
-        rewrite(164).repItem(new Item((short) 187, (byte) 1, (short) -1, getNamedTag("1.13 Acacia Pressure Plate")));
+        rewrite(164).repItem(new Item(187, (byte) 1, (short) -1, getNamedTag("1.13 Acacia Pressure Plate")));
-        rewrite(162).repItem(new Item((short) 187, (byte) 1, (short) -1, getNamedTag("1.13 Birch Pressure Plate")));
+        rewrite(162).repItem(new Item(187, (byte) 1, (short) -1, getNamedTag("1.13 Birch Pressure Plate")));
-        rewrite(161).repItem(new Item((short) 187, (byte) 1, (short) -1, getNamedTag("1.13 Spruce Pressure Plate")));
+        rewrite(161).repItem(new Item(187, (byte) 1, (short) -1, getNamedTag("1.13 Spruce Pressure Plate")));
-        rewrite(163).repItem(new Item((short) 187, (byte) 1, (short) -1, getNamedTag("1.13 Jungle Pressure Plate")));
+        rewrite(163).repItem(new Item(187, (byte) 1, (short) -1, getNamedTag("1.13 Jungle Pressure Plate")));
-        rewrite(165).repItem(new Item((short) 187, (byte) 1, (short) -1, getNamedTag("1.13 Dark Oak Pressure Plate")));
+        rewrite(165).repItem(new Item(187, (byte) 1, (short) -1, getNamedTag("1.13 Dark Oak Pressure Plate")));
 
-        rewrite(762).repItem(new Item((short) 544, (byte) 1, (short) -1, getNamedTag("1.13 Acacia Boat")));
+        rewrite(762).repItem(new Item(544, (byte) 1, (short) -1, getNamedTag("1.13 Acacia Boat")));
-        rewrite(760).repItem(new Item((short) 544, (byte) 1, (short) -1, getNamedTag("1.13 Birch Boat")));
+        rewrite(760).repItem(new Item(544, (byte) 1, (short) -1, getNamedTag("1.13 Birch Boat")));
-        rewrite(759).repItem(new Item((short) 544, (byte) 1, (short) -1, getNamedTag("1.13 Spruce Boat")));
+        rewrite(759).repItem(new Item(544, (byte) 1, (short) -1, getNamedTag("1.13 Spruce Boat")));
-        rewrite(761).repItem(new Item((short) 544, (byte) 1, (short) -1, getNamedTag("1.13 Jungle Boat")));
+        rewrite(761).repItem(new Item(544, (byte) 1, (short) -1, getNamedTag("1.13 Jungle Boat")));
-        rewrite(763).repItem(new Item((short) 544, (byte) 1, (short) -1, getNamedTag("1.13 Dark Oak Boat")));
+        rewrite(763).repItem(new Item(544, (byte) 1, (short) -1, getNamedTag("1.13 Dark Oak Boat")));
 
-        rewrite(453).repItem(new Item((short) 300, (byte) 1, (short) -1, getNamedTag("1.13 Blue Ice")));
+        rewrite(453).repItem(new Item(300, (byte) 1, (short) -1, getNamedTag("1.13 Blue Ice")));
 
-        rewrite(547).repItem(new Item((short) 538, (byte) 1, (short) -1, getNamedTag("1.13 Bucket of Pufferfish")));
+        rewrite(547).repItem(new Item(538, (byte) 1, (short) -1, getNamedTag("1.13 Bucket of Pufferfish")));
-        rewrite(548).repItem(new Item((short) 538, (byte) 1, (short) -1, getNamedTag("1.13 Bucket of Salmon")));
+        rewrite(548).repItem(new Item(538, (byte) 1, (short) -1, getNamedTag("1.13 Bucket of Salmon")));
-        rewrite(549).repItem(new Item((short) 538, (byte) 1, (short) -1, getNamedTag("1.13 Bucket of Cod")));
+        rewrite(549).repItem(new Item(538, (byte) 1, (short) -1, getNamedTag("1.13 Bucket of Cod")));
-        rewrite(550).repItem(new Item((short) 538, (byte) 1, (short) -1, getNamedTag("1.13 Bucket of Tropical Fish")));
+        rewrite(550).repItem(new Item(538, (byte) 1, (short) -1, getNamedTag("1.13 Bucket of Tropical Fish")));
 
-        rewrite(784).repItem(new Item((short) 543, (byte) 1, (short) -1, getNamedTag("1.13 Heart of the Sea")));
+        rewrite(784).repItem(new Item(543, (byte) 1, (short) -1, getNamedTag("1.13 Heart of the Sea")));
-        rewrite(783).repItem(new Item((short) 587, (byte) 1, (short) -1, getNamedTag("1.13 Nautilus Shell")));
+        rewrite(783).repItem(new Item(587, (byte) 1, (short) -1, getNamedTag("1.13 Nautilus Shell")));
-        rewrite(782).repItem(new Item((short) 545, (byte) 1, (short) -1, getNamedTag("1.13 Phantom Membrane")));
+        rewrite(782).repItem(new Item(545, (byte) 1, (short) -1, getNamedTag("1.13 Phantom Membrane")));
-        rewrite(465).repItem(new Item((short) 510, (byte) 1, (short) -1, getNamedTag("1.13 Turtle Shell")));
+        rewrite(465).repItem(new Item(510, (byte) 1, (short) -1, getNamedTag("1.13 Turtle Shell")));
-        rewrite(427).repItem(new Item((short) 561, (byte) 1, (short) -1, getNamedTag("1.13 Turtle Egg")));
+        rewrite(427).repItem(new Item(561, (byte) 1, (short) -1, getNamedTag("1.13 Turtle Egg")));
-        rewrite(466).repItem(new Item((short) 582, (byte) 1, (short) -1, getNamedTag("1.13 Scute")));
+        rewrite(466).repItem(new Item(582, (byte) 1, (short) -1, getNamedTag("1.13 Scute")));
-        rewrite(781).repItem(new Item((short) 488, (byte) 1, (short) -1, getNamedTag("1.13 Trident")));
+        rewrite(781).repItem(new Item(488, (byte) 1, (short) -1, getNamedTag("1.13 Trident")));
-        rewrite(80).repItem(new Item((short) 561, (byte) 1, (short) -1, getNamedTag("1.13 Sea Pickle")));
+        rewrite(80).repItem(new Item(561, (byte) 1, (short) -1, getNamedTag("1.13 Sea Pickle")));
-        rewrite(79).repItem(new Item((short) 76, (byte) 1, (short) -1, getNamedTag("1.13 Seagrass")));
+        rewrite(79).repItem(new Item(76, (byte) 1, (short) -1, getNamedTag("1.13 Seagrass")));
-        rewrite(454).repItem(new Item((short) 238, (byte) 1, (short) -1, getNamedTag("1.13 Conduit")));
+        rewrite(454).repItem(new Item(238, (byte) 1, (short) -1, getNamedTag("1.13 Conduit")));
 
-        rewrite(554).repItem(new Item((short) 76, (byte) 1, (short) -1, getNamedTag("1.13 Kelp")));
+        rewrite(554).repItem(new Item(76, (byte) 1, (short) -1, getNamedTag("1.13 Kelp")));
-        rewrite(611).repItem(new Item((short) 508, (byte) 1, (short) -1, getNamedTag("1.13 Dried Kelp")));
+        rewrite(611).repItem(new Item(508, (byte) 1, (short) -1, getNamedTag("1.13 Dried Kelp")));
-        rewrite(555).repItem(new Item((short) 281, (byte) 1, (short) -1, getNamedTag("1.13 Dried Kelp Block")));
+        rewrite(555).repItem(new Item(281, (byte) 1, (short) -1, getNamedTag("1.13 Dried Kelp Block")));
 
-        rewrite(38).repItem(new Item((short) 32, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Oak Log")));
+        rewrite(38).repItem(new Item(32, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Oak Log")));
-        rewrite(42).repItem(new Item((short) 36, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Acacia Log")));
+        rewrite(42).repItem(new Item(36, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Acacia Log")));
-        rewrite(40).repItem(new Item((short) 34, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Birch Log")));
+        rewrite(40).repItem(new Item(34, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Birch Log")));
-        rewrite(39).repItem(new Item((short) 33, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Spruce Log")));
+        rewrite(39).repItem(new Item(33, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Spruce Log")));
-        rewrite(41).repItem(new Item((short) 35, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Jungle Log")));
+        rewrite(41).repItem(new Item(35, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Jungle Log")));
-        rewrite(43).repItem(new Item((short) 37, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Dark Oak Log")));
+        rewrite(43).repItem(new Item(37, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Dark Oak Log")));
 
-        rewrite(44).repItem(new Item((short) 32, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Oak Wood")));
+        rewrite(44).repItem(new Item(32, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Oak Wood")));
-        rewrite(48).repItem(new Item((short) 36, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Acacia Wood")));
+        rewrite(48).repItem(new Item(36, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Acacia Wood")));
-        rewrite(46).repItem(new Item((short) 34, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Birch Wood")));
+        rewrite(46).repItem(new Item(34, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Birch Wood")));
-        rewrite(45).repItem(new Item((short) 33, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Spruce Wood")));
+        rewrite(45).repItem(new Item(33, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Spruce Wood")));
-        rewrite(47).repItem(new Item((short) 35, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Jungle Wood")));
+        rewrite(47).repItem(new Item(35, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Jungle Wood")));
-        rewrite(49).repItem(new Item((short) 37, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Dark Oak Wood")));
+        rewrite(49).repItem(new Item(37, (byte) 1, (short) -1, getNamedTag("1.13 Stripped Dark Oak Wood")));
 
-        rewrite(50).repItem(new Item((short) 32, (byte) 1, (short) -1, getNamedTag("1.13 Oak Wood")));
+        rewrite(50).repItem(new Item(32, (byte) 1, (short) -1, getNamedTag("1.13 Oak Wood")));
-        rewrite(51).repItem(new Item((short) 33, (byte) 1, (short) -1, getNamedTag("1.13 Spruce Wood")));
+        rewrite(51).repItem(new Item(33, (byte) 1, (short) -1, getNamedTag("1.13 Spruce Wood")));
-        rewrite(52).repItem(new Item((short) 34, (byte) 1, (short) -1, getNamedTag("1.13 Birch Wood")));
+        rewrite(52).repItem(new Item(34, (byte) 1, (short) -1, getNamedTag("1.13 Birch Wood")));
-        rewrite(53).repItem(new Item((short) 35, (byte) 1, (short) -1, getNamedTag("1.13 Jungle Wood")));
+        rewrite(53).repItem(new Item(35, (byte) 1, (short) -1, getNamedTag("1.13 Jungle Wood")));
-        rewrite(54).repItem(new Item((short) 36, (byte) 1, (short) -1, getNamedTag("1.13 Acacia Wood")));
+        rewrite(54).repItem(new Item(36, (byte) 1, (short) -1, getNamedTag("1.13 Acacia Wood")));
-        rewrite(55).repItem(new Item((short) 37, (byte) 1, (short) -1, getNamedTag("1.13 Dark Oak Wood")));
+        rewrite(55).repItem(new Item(37, (byte) 1, (short) -1, getNamedTag("1.13 Dark Oak Wood")));
 
-        rewrite(128).repItem(new Item((short) 121, (byte) 1, (short) -1, getNamedTag("1.13 Prismarine Slab")));
+        rewrite(128).repItem(new Item(121, (byte) 1, (short) -1, getNamedTag("1.13 Prismarine Slab")));
-        rewrite(129).repItem(new Item((short) 122, (byte) 1, (short) -1, getNamedTag("1.13 Prismarine Brick Slab")));
+        rewrite(129).repItem(new Item(122, (byte) 1, (short) -1, getNamedTag("1.13 Prismarine Brick Slab")));
-        rewrite(130).repItem(new Item((short) 123, (byte) 1, (short) -1, getNamedTag("1.13 Dark Prismarine Slab")));
+        rewrite(130).repItem(new Item(123, (byte) 1, (short) -1, getNamedTag("1.13 Dark Prismarine Slab")));
-        rewrite(346).repItem(new Item((short) 157, (byte) 1, (short) -1, getNamedTag("1.13 Prismarine Stairs")));
+        rewrite(346).repItem(new Item(157, (byte) 1, (short) -1, getNamedTag("1.13 Prismarine Stairs")));
-        rewrite(347).repItem(new Item((short) 216, (byte) 1, (short) -1, getNamedTag("1.13 Prismarine Brick Stairs")));
+        rewrite(347).repItem(new Item(216, (byte) 1, (short) -1, getNamedTag("1.13 Prismarine Brick Stairs")));
-        rewrite(348).repItem(new Item((short) 217, (byte) 1, (short) -1, getNamedTag("1.13 Dark Prismarine Brick Stairs")));
+        rewrite(348).repItem(new Item(217, (byte) 1, (short) -1, getNamedTag("1.13 Dark Prismarine Brick Stairs")));
 
         //Spawn Eggs:
-        rewrite(643).repItem(new Item((short) 662, (byte) 1, (short) -1, getNamedTag("1.13 Drowned Spawn Egg")));
+        rewrite(643).repItem(new Item(662, (byte) 1, (short) -1, getNamedTag("1.13 Drowned Spawn Egg")));
-        rewrite(658).repItem(new Item((short) 662, (byte) 1, (short) -1, getNamedTag("1.13 Phantom Spawn Egg")));
+        rewrite(658).repItem(new Item(662, (byte) 1, (short) -1, getNamedTag("1.13 Phantom Spawn Egg")));
-        rewrite(641).repItem(new Item((short) 662, (byte) 1, (short) -1, getNamedTag("1.13 Dolphin Spawn Egg")));
+        rewrite(641).repItem(new Item(662, (byte) 1, (short) -1, getNamedTag("1.13 Dolphin Spawn Egg")));
-        rewrite(674).repItem(new Item((short) 662, (byte) 1, (short) -1, getNamedTag("1.13 Turtle Spawn Egg")));
+        rewrite(674).repItem(new Item(662, (byte) 1, (short) -1, getNamedTag("1.13 Turtle Spawn Egg")));
-        rewrite(638).repItem(new Item((short) 662, (byte) 1, (short) -1, getNamedTag("1.13 Cod Spawn Egg")));
+        rewrite(638).repItem(new Item(662, (byte) 1, (short) -1, getNamedTag("1.13 Cod Spawn Egg")));
-        rewrite(663).repItem(new Item((short) 662, (byte) 1, (short) -1, getNamedTag("1.13 Salmon Spawn Egg")));
+        rewrite(663).repItem(new Item(662, (byte) 1, (short) -1, getNamedTag("1.13 Salmon Spawn Egg")));
-        rewrite(661).repItem(new Item((short) 662, (byte) 1, (short) -1, getNamedTag("1.13 Pufferfish Spawn Egg")));
+        rewrite(661).repItem(new Item(662, (byte) 1, (short) -1, getNamedTag("1.13 Pufferfish Spawn Egg")));
-        rewrite(673).repItem(new Item((short) 662, (byte) 1, (short) -1, getNamedTag("1.13 Tropical Fish Spawn Egg")));
+        rewrite(673).repItem(new Item(662, (byte) 1, (short) -1, getNamedTag("1.13 Tropical Fish Spawn Egg")));
 
         //Corals
-        rewrite(438).repItem(new Item((short) 100, (byte) 1, (short) -1, getNamedTag("1.13 Tube Coral")));
+        rewrite(438).repItem(new Item(100, (byte) 1, (short) -1, getNamedTag("1.13 Tube Coral")));
-        rewrite(439).repItem(new Item((short) 106, (byte) 1, (short) -1, getNamedTag("1.13 Brain Coral")));
+        rewrite(439).repItem(new Item(106, (byte) 1, (short) -1, getNamedTag("1.13 Brain Coral")));
-        rewrite(440).repItem(new Item((short) 101, (byte) 1, (short) -1, getNamedTag("1.13 Bubble Coral")));
+        rewrite(440).repItem(new Item(101, (byte) 1, (short) -1, getNamedTag("1.13 Bubble Coral")));
-        rewrite(441).repItem(new Item((short) 103, (byte) 1, (short) -1, getNamedTag("1.13 Fire Coral")));
+        rewrite(441).repItem(new Item(103, (byte) 1, (short) -1, getNamedTag("1.13 Fire Coral")));
-        rewrite(442).repItem(new Item((short) 98, (byte) 1, (short) -1, getNamedTag("1.13 Horn Coral")));
+        rewrite(442).repItem(new Item(98, (byte) 1, (short) -1, getNamedTag("1.13 Horn Coral")));
 
-        rewrite(443).repItem(new Item((short) 100, (byte) 1, (short) -1, getNamedTag("1.13 Tube Coral Fan")));
+        rewrite(443).repItem(new Item(100, (byte) 1, (short) -1, getNamedTag("1.13 Tube Coral Fan")));
-        rewrite(444).repItem(new Item((short) 106, (byte) 1, (short) -1, getNamedTag("1.13 Brain Coral Fan")));
+        rewrite(444).repItem(new Item(106, (byte) 1, (short) -1, getNamedTag("1.13 Brain Coral Fan")));
-        rewrite(445).repItem(new Item((short) 101, (byte) 1, (short) -1, getNamedTag("1.13 Bubble Coral Fan")));
+        rewrite(445).repItem(new Item(101, (byte) 1, (short) -1, getNamedTag("1.13 Bubble Coral Fan")));
-        rewrite(446).repItem(new Item((short) 103, (byte) 1, (short) -1, getNamedTag("1.13 Fire Coral Fan")));
+        rewrite(446).repItem(new Item(103, (byte) 1, (short) -1, getNamedTag("1.13 Fire Coral Fan")));
-        rewrite(447).repItem(new Item((short) 98, (byte) 1, (short) -1, getNamedTag("1.13 Horn Coral Fan")));
+        rewrite(447).repItem(new Item(98, (byte) 1, (short) -1, getNamedTag("1.13 Horn Coral Fan")));
 
-        rewrite(448).repItem(new Item((short) 78, (byte) 1, (short) -1, getNamedTag("1.13 Dead Tube Coral Fan")));
+        rewrite(448).repItem(new Item(78, (byte) 1, (short) -1, getNamedTag("1.13 Dead Tube Coral Fan")));
-        rewrite(449).repItem(new Item((short) 78, (byte) 1, (short) -1, getNamedTag("1.13 Dead Brain Coral Fan")));
+        rewrite(449).repItem(new Item(78, (byte) 1, (short) -1, getNamedTag("1.13 Dead Brain Coral Fan")));
-        rewrite(450).repItem(new Item((short) 78, (byte) 1, (short) -1, getNamedTag("1.13 Dead Bubble Coral Fan")));
+        rewrite(450).repItem(new Item(78, (byte) 1, (short) -1, getNamedTag("1.13 Dead Bubble Coral Fan")));
-        rewrite(451).repItem(new Item((short) 78, (byte) 1, (short) -1, getNamedTag("1.13 Dead Fire Coral Fan")));
+        rewrite(451).repItem(new Item(78, (byte) 1, (short) -1, getNamedTag("1.13 Dead Fire Coral Fan")));
-        rewrite(452).repItem(new Item((short) 78, (byte) 1, (short) -1, getNamedTag("1.13 Dead Horn Coral Fan")));
+        rewrite(452).repItem(new Item(78, (byte) 1, (short) -1, getNamedTag("1.13 Dead Horn Coral Fan")));
 
-        rewrite(428).repItem(new Item((short) 90, (byte) 1, (short) -1, getNamedTag("1.13 Dead Tube Coral Block")));
+        rewrite(428).repItem(new Item(90, (byte) 1, (short) -1, getNamedTag("1.13 Dead Tube Coral Block")));
-        rewrite(429).repItem(new Item((short) 90, (byte) 1, (short) -1, getNamedTag("1.13 Dead Brain Coral Block")));
+        rewrite(429).repItem(new Item(90, (byte) 1, (short) -1, getNamedTag("1.13 Dead Brain Coral Block")));
-        rewrite(430).repItem(new Item((short) 90, (byte) 1, (short) -1, getNamedTag("1.13 Dead Bubble Coral Block")));
+        rewrite(430).repItem(new Item(90, (byte) 1, (short) -1, getNamedTag("1.13 Dead Bubble Coral Block")));
-        rewrite(431).repItem(new Item((short) 90, (byte) 1, (short) -1, getNamedTag("1.13 Dead Fire Coral Block")));
+        rewrite(431).repItem(new Item(90, (byte) 1, (short) -1, getNamedTag("1.13 Dead Fire Coral Block")));
-        rewrite(432).repItem(new Item((short) 90, (byte) 1, (short) -1, getNamedTag("1.13 Dead Horn Coral Block")));
+        rewrite(432).repItem(new Item(90, (byte) 1, (short) -1, getNamedTag("1.13 Dead Horn Coral Block")));
 
-        rewrite(433).repItem(new Item((short) 93, (byte) 1, (short) -1, getNamedTag("1.13 Tube Coral Block")));
+        rewrite(433).repItem(new Item(93, (byte) 1, (short) -1, getNamedTag("1.13 Tube Coral Block")));
-        rewrite(434).repItem(new Item((short) 88, (byte) 1, (short) -1, getNamedTag("1.13 Brain Coral Block")));
+        rewrite(434).repItem(new Item(88, (byte) 1, (short) -1, getNamedTag("1.13 Brain Coral Block")));
-        rewrite(435).repItem(new Item((short) 92, (byte) 1, (short) -1, getNamedTag("1.13 Bubble Coral Block")));
+        rewrite(435).repItem(new Item(92, (byte) 1, (short) -1, getNamedTag("1.13 Bubble Coral Block")));
-        rewrite(436).repItem(new Item((short) 96, (byte) 1, (short) -1, getNamedTag("1.13 Fire Coral Block")));
+        rewrite(436).repItem(new Item(96, (byte) 1, (short) -1, getNamedTag("1.13 Fire Coral Block")));
-        rewrite(437).repItem(new Item((short) 86, (byte) 1, (short) -1, getNamedTag("1.13 Horn Coral Block")));
+        rewrite(437).repItem(new Item(86, (byte) 1, (short) -1, getNamedTag("1.13 Horn Coral Block")));
         // Coral End
 
-        rewrite(131).repItem(new Item((short) 711, (byte) 1, (short) -1, getNamedTag("1.13 Smooth Quartz")));
+        rewrite(131).repItem(new Item(711, (byte) 1, (short) -1, getNamedTag("1.13 Smooth Quartz")));
-        rewrite(132).repItem(new Item((short) 350, (byte) 1, (short) -1, getNamedTag("1.13 Smooth Red Sandstone")));
+        rewrite(132).repItem(new Item(350, (byte) 1, (short) -1, getNamedTag("1.13 Smooth Red Sandstone")));
-        rewrite(133).repItem(new Item((short) 68, (byte) 1, (short) -1, getNamedTag("1.13 Smooth Sandstone")));
+        rewrite(133).repItem(new Item(68, (byte) 1, (short) -1, getNamedTag("1.13 Smooth Sandstone")));
-        rewrite(134).repItem(new Item((short) 118, (byte) 1, (short) -1, getNamedTag("1.13 Smooth Stone")));
+        rewrite(134).repItem(new Item(118, (byte) 1, (short) -1, getNamedTag("1.13 Smooth Stone")));
 
-        rewrite(181).repItem(new Item((short) 182, (byte) 1, (short) -1, getNamedTag("1.13 Carved Pumpkin")));
+        rewrite(181).repItem(new Item(182, (byte) 1, (short) -1, getNamedTag("1.13 Carved Pumpkin")));
 
-        rewrite(205).repItem(new Item((short) 90, (byte) 1, (short) -1, getNamedTag("1.13 Mushroom Stem")));
+        rewrite(205).repItem(new Item(90, (byte) 1, (short) -1, getNamedTag("1.13 Mushroom Stem")));
 
 
         enchantmentMappings.put("minecraft:loyalty", "§7Loyalty");
@@ -583,14 +607,6 @@ public class BlockItemPackets1_13 extends BlockItemRewriter<Protocol1_12_2To1_13
         enchantmentMappings.put("minecraft:channeling", "§7Channeling");
     }
 
-    @Override
-    protected CompoundTag getNamedTag(String text) {
-        CompoundTag tag = new CompoundTag("");
-        tag.put(new CompoundTag("display"));
-        ((CompoundTag) tag.get("display")).put(new StringTag("Name", ChatRewriter.legacyTextToJson(text)));
-        return tag;
-    }
-
     @Override
     public Item handleItemToClient(Item item) {
         if (item == null) return null;
@@ -855,7 +871,7 @@ public class BlockItemPackets1_13 extends BlockItemRewriter<Protocol1_12_2To1_13
     }
 
     @Override
-    protected Item handleItemToServer(Item item) {
+    public Item handleItemToServer(Item item) {
         if (item == null) return null;
         CompoundTag tag = item.getTag();
 

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/packets/EntityPackets1_13.java

@@ -16,11 +16,11 @@ import us.myles.ViaVersion.api.minecraft.metadata.types.MetaType1_12;
 import us.myles.ViaVersion.api.remapper.PacketHandler;
 import us.myles.ViaVersion.api.remapper.PacketRemapper;
 import us.myles.ViaVersion.api.type.Type;
+import us.myles.ViaVersion.api.type.types.Particle;
 import us.myles.ViaVersion.api.type.types.version.Types1_12;
 import us.myles.ViaVersion.api.type.types.version.Types1_13;
 import us.myles.ViaVersion.packets.State;
 import us.myles.ViaVersion.protocols.protocol1_13to1_12_2.ChatRewriter;
-import us.myles.ViaVersion.protocols.protocol1_13to1_12_2.data.Particle;
 
 import java.util.Optional;
 
@@ -108,7 +108,7 @@ public class EntityPackets1_13 extends EntityRewriter<Protocol1_12_2To1_13> {
                     public void handle(PacketWrapper wrapper) throws Exception {
                         int type = wrapper.get(Type.VAR_INT, 1);
                         EntityType entityType = Entity1_13Types.getTypeFromId(type, false);
-                        addTrackedEntity(wrapper.user(), wrapper.get(Type.VAR_INT, 0), entityType);
+                        addTrackedEntity(wrapper, wrapper.get(Type.VAR_INT, 0), entityType);
 
                         Optional<Integer> oldId = EntityTypeMapping.getOldId(type);
                         if (!oldId.isPresent()) {
@@ -313,8 +313,6 @@ public class EntityPackets1_13 extends EntityRewriter<Protocol1_12_2To1_13> {
 
             throw RemovedValueException.EX;
         });
-
-        // TODO REWRITE BLOCKS IN MINECART
     }
 
     @Override

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/packets/PlayerPacket1_13.java

@@ -15,9 +15,9 @@ import us.myles.ViaVersion.api.remapper.PacketHandler;
 import us.myles.ViaVersion.api.remapper.PacketRemapper;
 import us.myles.ViaVersion.api.remapper.ValueCreator;
 import us.myles.ViaVersion.api.type.Type;
+import us.myles.ViaVersion.api.type.types.Particle;
 import us.myles.ViaVersion.packets.State;
 import us.myles.ViaVersion.protocols.protocol1_13to1_12_2.ChatRewriter;
-import us.myles.ViaVersion.protocols.protocol1_13to1_12_2.data.Particle;
 import us.myles.ViaVersion.protocols.protocol1_13to1_12_2.packets.InventoryPackets;
 
 import java.nio.charset.StandardCharsets;

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/packets/SoundPackets1_13.java

@@ -1,10 +1,12 @@
 package nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.packets;
 
+import nl.matsv.viabackwards.ViaBackwards;
 import nl.matsv.viabackwards.api.rewriters.Rewriter;
 import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.Protocol1_12_2To1_13;
+import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.data.BackwardsMappings;
 import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.data.NamedSoundMapping;
-import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.data.SoundMapping;
 import us.myles.ViaVersion.api.PacketWrapper;
+import us.myles.ViaVersion.api.Via;
 import us.myles.ViaVersion.api.remapper.PacketHandler;
 import us.myles.ViaVersion.api.remapper.PacketRemapper;
 import us.myles.ViaVersion.api.type.Type;
@@ -16,7 +18,7 @@ public class SoundPackets1_13 extends Rewriter<Protocol1_12_2To1_13> {
     @Override
     protected void registerPackets(Protocol1_12_2To1_13 protocol) {
 
-        //Named Sound Event
+        // Named Sound Event
         protocol.out(State.PLAY, 0x1A, 0x19, new PacketRemapper() {
             @Override
             public void registerMap() {
@@ -28,13 +30,15 @@ public class SoundPackets1_13 extends Rewriter<Protocol1_12_2To1_13> {
                         String oldSound = NamedSoundMapping.getOldId(newSound);
                         if (oldSound != null) {
                             wrapper.set(Type.STRING, 0, oldSound);
+                        } else if (!Via.getConfig().isSuppress1_13ConversionErrors()) {
+                            ViaBackwards.getPlatform().getLogger().warning("Unknown named sound in 1.13->1.12 protocol: " + newSound);
                         }
                     }
                 });
             }
         });
 
-        //Stop Sound
+        // Stop Sound
         protocol.out(State.PLAY, 0x4C, 0x18, new PacketRemapper() {
             @Override
             public void registerMap() {
@@ -58,7 +62,7 @@ public class SoundPackets1_13 extends Rewriter<Protocol1_12_2To1_13> {
             }
         });
 
-        //Sound Effect
+        // Sound Effect
         protocol.out(State.PLAY, 0x4D, 0x49, new PacketRemapper() {
             @Override
             public void registerMap() {
@@ -67,7 +71,7 @@ public class SoundPackets1_13 extends Rewriter<Protocol1_12_2To1_13> {
                     @Override
                     public void handle(PacketWrapper wrapper) throws Exception {
                         int newSound = wrapper.get(Type.VAR_INT, 0);
-                        int oldSound = SoundMapping.getOldSound(newSound);
+                        int oldSound = BackwardsMappings.soundMappings.getNewId(newSound);
                         if (oldSound == -1) {
                             wrapper.cancel();
                         } else {
@@ -81,6 +85,5 @@ public class SoundPackets1_13 extends Rewriter<Protocol1_12_2To1_13> {
 
     @Override
     protected void registerRewrites() {
-
     }
 }

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13_1to1_13_2/packets/InventoryPackets1_13_2.java

@@ -10,8 +10,7 @@ import us.myles.ViaVersion.packets.State;
 public class InventoryPackets1_13_2 {
 
     public static void register(Protocol protocol) {
-
+        /*
-		/*
             Outgoing packets
         */
 
@@ -118,10 +117,9 @@ public class InventoryPackets1_13_2 {
             }
         });
 
-
         /*
             Incoming packets
-         */
+        */
 
         // Click window packet
         protocol.registerIncoming(State.PLAY, 0x08, 0x08, new PacketRemapper() {
@@ -147,5 +145,4 @@ public class InventoryPackets1_13_2 {
                 }
         );
     }
-
 }

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13_2to1_14/Protocol1_13_2To1_14.java

@@ -5,7 +5,6 @@ import nl.matsv.viabackwards.ViaBackwards;
 import nl.matsv.viabackwards.api.BackwardsProtocol;
 import nl.matsv.viabackwards.api.entities.storage.EntityTracker;
 import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.data.BackwardsMappings;
-import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.data.SoundMapping;
 import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.packets.BlockItemPackets1_14;
 import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.packets.EntityPackets1_14;
 import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.packets.PlayerPackets1_14;
@@ -17,16 +16,18 @@ import us.myles.ViaVersion.api.remapper.PacketHandler;
 import us.myles.ViaVersion.api.remapper.PacketRemapper;
 import us.myles.ViaVersion.api.type.Type;
 import us.myles.ViaVersion.packets.State;
+import us.myles.ViaVersion.protocols.protocol1_14to1_13_2.data.MappingData;
 import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
 
 @Getter
 public class Protocol1_13_2To1_14 extends BackwardsProtocol {
+
+    private static final Integer[] A = new Integer[0];
     private BlockItemPackets1_14 blockItemPackets;
     private EntityPackets1_14 entityPackets;
 
     static {
         BackwardsMappings.init();
-        SoundMapping.init();
     }
 
     @Override
@@ -40,8 +41,6 @@ public class Protocol1_13_2To1_14 extends BackwardsProtocol {
 
         registerOutgoing(State.PLAY, 0x15, 0x16);
 
-        registerOutgoing(State.PLAY, 0x17, 0x18);
-
         registerOutgoing(State.PLAY, 0x18, 0x19);
 
         registerOutgoing(State.PLAY, 0x19, 0x1A);
@@ -91,7 +90,6 @@ public class Protocol1_13_2To1_14 extends BackwardsProtocol {
 
         registerOutgoing(State.PLAY, 0x53, 0x4E); // c
         registerOutgoing(State.PLAY, 0x55, 0x4F); // c
-        registerOutgoing(State.PLAY, 0x56, 0x50); // c
 
         // Update View Position
         cancelOutgoing(State.PLAY, 0x40);
@@ -143,41 +141,48 @@ public class Protocol1_13_2To1_14 extends BackwardsProtocol {
         registerOutgoing(State.PLAY, 0x58, 0x52); // c
         registerOutgoing(State.PLAY, 0x59, 0x53); // c
 
-        // tags
+        // Tags
         registerOutgoing(State.PLAY, 0x5B, 0x55, new PacketRemapper() {
             @Override
             public void registerMap() { // c
                 handler(new PacketHandler() {
                     @Override
                     public void handle(PacketWrapper wrapper) throws Exception {
-                        int blockTagsSize = wrapper.read(Type.VAR_INT);
+                        int blockTagsSize = wrapper.passthrough(Type.VAR_INT);
-                        wrapper.write(Type.VAR_INT, blockTagsSize); // block tags
                         for (int i = 0; i < blockTagsSize; i++) {
                             wrapper.passthrough(Type.STRING);
-                            Integer[] blockIds = wrapper.passthrough(Type.VAR_INT_ARRAY);
+                            int[] blockIds = wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE);
                             for (int j = 0; j < blockIds.length; j++) {
-                                blockIds[j] = getNewBlockStateId(blockIds[j]);
+                                int id = blockIds[j];
+                                // Ignore new blocktags
+                                int blockId = BackwardsMappings.blockMappings.getNewId(id);
+                                blockIds[j] = blockId;
                             }
                         }
-                        int itemTagsSize = wrapper.read(Type.VAR_INT);
+
-                        wrapper.write(Type.VAR_INT, itemTagsSize); // item tags
+                        int itemTagsSize = wrapper.passthrough(Type.VAR_INT);
                         for (int i = 0; i < itemTagsSize; i++) {
                             wrapper.passthrough(Type.STRING);
-                            Integer[] itemIds = wrapper.passthrough(Type.VAR_INT_ARRAY);
+                            int[] itemIds = wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE);
                             for (int j = 0; j < itemIds.length; j++) {
-                                itemIds[j] = /*BlockItemPackets1_14.getNewItemId TODO BLOCK IDS*/(itemIds[j]);
+                                int itemId = itemIds[j];
+                                // Ignore new itemtags
+                                Integer oldId = MappingData.oldToNewItems.inverse().get(itemId);
+                                itemIds[j] = oldId != null ? oldId : -1;
                             }
                         }
+
                         int fluidTagsSize = wrapper.passthrough(Type.VAR_INT); // fluid tags
                         for (int i = 0; i < fluidTagsSize; i++) {
                             wrapper.passthrough(Type.STRING);
-                            wrapper.passthrough(Type.VAR_INT_ARRAY);
+                            wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE);
                         }
+
                         // Eat entity tags
                         int entityTagsSize = wrapper.read(Type.VAR_INT);
                         for (int i = 0; i < entityTagsSize; i++) {
                             wrapper.read(Type.STRING);
-                            wrapper.read(Type.VAR_INT_ARRAY);
+                            wrapper.read(Type.VAR_INT_ARRAY_PRIMITIVE);
                         }
                     }
                 });
@@ -202,40 +207,32 @@ public class Protocol1_13_2To1_14 extends BackwardsProtocol {
                         byte[][] skyLight = new byte[16][];
                         // we don't need void and +256 light
                         if (isSet(skyLightMask, 0)) {
-                            wrapper.read(Type.BYTE_ARRAY);
+                            wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
                         }
                         for (int i = 0; i < 16; i++) {
                             if (isSet(skyLightMask, i + 1)) {
-                                Byte[] array = wrapper.read(Type.BYTE_ARRAY);
+                                skyLight[i] = wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
-                                skyLight[i] = new byte[array.length];
-                                for (int j = 0; j < array.length; j++) {
-                                    skyLight[i][j] = array[j];
-                                }
                             } else if (isSet(emptySkyLightMask, i + 1)) {
                                 skyLight[i] = ChunkLightStorage.EMPTY_LIGHT;
                             }
                         }
                         if (isSet(skyLightMask, 17)) {
-                            wrapper.read(Type.BYTE_ARRAY);
+                            wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
                         }
 
                         byte[][] blockLight = new byte[16][];
                         if (isSet(blockLightMask, 0)) {
-                            wrapper.read(Type.BYTE_ARRAY);
+                            wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
                         }
                         for (int i = 0; i < 16; i++) {
                             if (isSet(blockLightMask, i + 1)) {
-                                Byte[] array = wrapper.read(Type.BYTE_ARRAY);
+                                blockLight[i] = wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
-                                blockLight[i] = new byte[array.length];
-                                for (int j = 0; j < array.length; j++) {
-                                    blockLight[i][j] = array[j];
-                                }
                             } else if (isSet(emptyBlockLightMask, i + 1)) {
                                 blockLight[i] = ChunkLightStorage.EMPTY_LIGHT;
                             }
                         }
                         if (isSet(blockLightMask, 17)) {
-                            wrapper.read(Type.BYTE_ARRAY);
+                            wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
                         }
 
                         wrapper.user().get(ChunkLightStorage.class).setStoredLight(skyLight, blockLight, x, z);
@@ -296,9 +293,9 @@ public class Protocol1_13_2To1_14 extends BackwardsProtocol {
     }
 
     public static int getNewBlockStateId(int id) {
-        int newId = BackwardsMappings.blockStateMappings.getNewBlock(id);
+        int newId = BackwardsMappings.blockStateMappings.getNewId(id);
         if (newId == -1) {
-            ViaBackwards.getPlatform().getLogger().warning("Missing 1.14 blockstate id for 1.13.2 block " + id);
+            ViaBackwards.getPlatform().getLogger().warning("Missing 1.13.2 blockstate id for 1.14 block " + id);
             return 0;
         }
         return newId;
@@ -306,9 +303,9 @@ public class Protocol1_13_2To1_14 extends BackwardsProtocol {
 
 
     public static int getNewBlockId(int id) {
-        int newId = BackwardsMappings.blockMappings.getNewBlock(id);
+        int newId = BackwardsMappings.blockMappings.getNewId(id);
         if (newId == -1) {
-            ViaBackwards.getPlatform().getLogger().warning("Missing 1.14 block id for 1.13.2 block " + id);
+            ViaBackwards.getPlatform().getLogger().warning("Missing 1.13.2 block id for 1.14 block " + id);
             return id;
         }
         return newId;

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13_2to1_14/data/BackwardsMappings.java

@@ -1,101 +1,25 @@
 package nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.data;
 
 import nl.matsv.viabackwards.ViaBackwards;
-import us.myles.ViaVersion.api.Via;
+import nl.matsv.viabackwards.api.data.VBMappingDataLoader;
+import nl.matsv.viabackwards.api.data.VBMappings;
 import us.myles.ViaVersion.api.data.MappingDataLoader;
-import us.myles.ViaVersion.util.GsonUtil;
+import us.myles.ViaVersion.api.data.Mappings;
-import us.myles.viaversion.libs.gson.JsonElement;
 import us.myles.viaversion.libs.gson.JsonObject;
-import us.myles.viaversion.libs.gson.JsonPrimitive;
-
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.util.Arrays;
-import java.util.Map;
 
 public class BackwardsMappings {
-    public static BlockMappings blockStateMappings;
+    public static Mappings blockStateMappings;
-    public static BlockMappings blockMappings;
+    public static Mappings blockMappings;
+    public static Mappings soundMappings;
 
     public static void init() {
         JsonObject mapping1_13_2 = MappingDataLoader.loadData("mapping-1.13.2.json");
         JsonObject mapping1_14 = MappingDataLoader.loadData("mapping-1.14.json");
-        JsonObject mapping1_13_2to1_14 = loadData("mapping-1.13.2to1.14.json");
+        JsonObject mapping1_13_2to1_14 = VBMappingDataLoader.loadData("mapping-1.13.2to1.14.json");
 
         ViaBackwards.getPlatform().getLogger().info("Loading 1.14 -> 1.13.2 block mapping...");
-        blockStateMappings = new BlockMappingsShortArray(mapping1_14.getAsJsonObject("blockstates"), mapping1_13_2.getAsJsonObject("blockstates"), mapping1_13_2to1_14.getAsJsonObject("blockstates"));
+        blockStateMappings = new VBMappings(mapping1_14.getAsJsonObject("blockstates"), mapping1_13_2.getAsJsonObject("blockstates"), mapping1_13_2to1_14.getAsJsonObject("blockstates"));
-        //blockMappings = new BlockMappingsShortArray(mapping1_14.getAsJsonObject("blocks"), mapping1_13_2.getAsJsonObject("blocks"), mapping1_13_2to1_14.getAsJsonObject("blocks"));
+        blockMappings = new VBMappings(mapping1_14.getAsJsonObject("blocks"), mapping1_13_2.getAsJsonObject("blocks"), mapping1_13_2to1_14.getAsJsonObject("blocks"), false);
-    }
+        soundMappings = new VBMappings(mapping1_14.getAsJsonArray("sounds"), mapping1_13_2.getAsJsonArray("sounds"), mapping1_13_2to1_14.getAsJsonObject("sounds"));
-
-
-    private static void mapIdentifiers(short[] output, JsonObject newIdentifiers, JsonObject oldIdentifiers, JsonObject mapping) {
-        for (Map.Entry<String, JsonElement> entry : newIdentifiers.entrySet()) {
-            String key = entry.getValue().getAsString();
-            Map.Entry<String, JsonElement> value = findValue(oldIdentifiers, key);
-            if (value == null) {
-                JsonPrimitive replacement = mapping.getAsJsonPrimitive(key);
-                if (replacement == null && key.contains("[")) {
-                    replacement = mapping.getAsJsonPrimitive(key.substring(0, key.indexOf('[')));
-                }
-                if (replacement != null) {
-                    if (replacement.getAsString().startsWith("id:")) {
-                        String id = replacement.getAsString().replace("id:", "");
-                        value = findValue(oldIdentifiers, oldIdentifiers.getAsJsonPrimitive(id).getAsString());
-                    } else {
-                        value = findValue(oldIdentifiers, replacement.getAsString());
-                    }
-                }
-                if (value == null) {
-                    if (!Via.getConfig().isSuppress1_13ConversionErrors() || Via.getManager().isDebug()) {
-                        if (replacement != null) {
-                            ViaBackwards.getPlatform().getLogger().warning("No key for " + entry.getValue() + "/" + replacement.getAsString() + " :( ");
-                        } else {
-                            ViaBackwards.getPlatform().getLogger().warning("No key for " + entry.getValue() + " :( ");
-                        }
-                    }
-                    continue;
-                }
-            }
-            output[Integer.parseInt(entry.getKey())] = Short.parseShort(value.getKey());
-        }
-    }
-
-
-    private static Map.Entry<String, JsonElement> findValue(JsonObject object, String needle) {
-        for (Map.Entry<String, JsonElement> entry : object.entrySet()) {
-            String value = entry.getValue().getAsString();
-            if (value.equals(needle)) {
-                return entry;
-            }
-        }
-        return null;
-    }
-
-    public static JsonObject loadData(String name) {
-        try (InputStreamReader reader = new InputStreamReader(BackwardsMappings.class.getClassLoader().getResourceAsStream("assets/viabackwards/data/" + name))) {
-            return GsonUtil.getGson().fromJson(reader, JsonObject.class);
-        } catch (IOException ex) {
-            ex.printStackTrace();
-        }
-
-        return null;
-    }
-
-    public interface BlockMappings {
-        int getNewBlock(int old);
-    }
-
-    private static class BlockMappingsShortArray implements BlockMappings {
-        private short[] oldToNew = new short[11270 + 1];
-
-        private BlockMappingsShortArray(JsonObject newIdentifiers, JsonObject oldIdentifiers, JsonObject mapping) {
-            Arrays.fill(oldToNew, (short) -1);
-            mapIdentifiers(oldToNew, newIdentifiers, oldIdentifiers, mapping);
-        }
-
-        @Override
-        public int getNewBlock(int old) {
-            return old >= 0 && old < oldToNew.length ? oldToNew[old] : -1;
-        }
     }
 }

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13_2to1_14/data/EntityPositionStorage.java

@@ -0,0 +1,34 @@
+package nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.data;
+
+import nl.matsv.viabackwards.api.entities.storage.EntityStorage;
+
+public class EntityPositionStorage extends EntityStorage {
+
+    private double x;
+    private double y;
+    private double z;
+
+    public double getX() {
+        return x;
+    }
+
+    public double getY() {
+        return y;
+    }
+
+    public double getZ() {
+        return z;
+    }
+
+    public void setCoordinates(double x, double y, double z, boolean relative) {
+        if (relative) {
+            this.x += x;
+            this.y += y;
+            this.z += z;
+        } else {
+            this.x = x;
+            this.y = y;
+            this.z = z;
+        }
+    }
+}

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13_2to1_14/data/RecipeRewriter1_14.java

@@ -0,0 +1,65 @@
+package nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.data;
+
+import nl.matsv.viabackwards.api.rewriters.BlockItemRewriter;
+import nl.matsv.viabackwards.api.rewriters.RecipeRewriter;
+import us.myles.ViaVersion.api.PacketWrapper;
+import us.myles.ViaVersion.api.minecraft.item.Item;
+import us.myles.ViaVersion.api.type.Type;
+
+public class RecipeRewriter1_14 extends RecipeRewriter {
+
+    public RecipeRewriter1_14(final BlockItemRewriter rewriter) {
+        super(rewriter);
+    }
+
+    public void handle(PacketWrapper wrapper, String type) throws Exception {
+        switch (type) {
+            case "crafting_shapeless":
+                handleCraftingShapeless(wrapper);
+                break;
+            case "crafting_shaped":
+                handleCraftingShaped(wrapper);
+                break;
+            case "smelting":
+                handleSmelting(wrapper);
+                break;
+        }
+    }
+
+    public void handleSmelting(PacketWrapper wrapper) throws Exception {
+        wrapper.passthrough(Type.STRING); // Group
+        Item[] items = wrapper.passthrough(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT); // Ingredients
+        for (Item item : items) {
+            rewriter.handleItemToClient(item);
+        }
+
+        rewriter.handleItemToClient(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM)); // Result
+
+        wrapper.passthrough(Type.FLOAT); // EXP
+        wrapper.passthrough(Type.VAR_INT); // Cooking time
+    }
+
+    public void handleCraftingShaped(PacketWrapper wrapper) throws Exception {
+        int ingredientsNo = wrapper.passthrough(Type.VAR_INT) * wrapper.passthrough(Type.VAR_INT);
+        wrapper.passthrough(Type.STRING); // Group
+        for (int j = 0; j < ingredientsNo; j++) {
+            Item[] items = wrapper.passthrough(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT); // Ingredients
+            for (Item item : items) {
+                rewriter.handleItemToClient(item);
+            }
+        }
+        rewriter.handleItemToClient(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM)); // Result
+    }
+
+    public void handleCraftingShapeless(PacketWrapper wrapper) throws Exception {
+        wrapper.passthrough(Type.STRING); // Group
+        int ingredientsNo = wrapper.passthrough(Type.VAR_INT);
+        for (int j = 0; j < ingredientsNo; j++) {
+            Item[] items = wrapper.passthrough(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT); // Ingredients
+            for (Item item : items) {
+                rewriter.handleItemToClient(item);
+            }
+        }
+        rewriter.handleItemToClient(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM)); // Result
+    }
+}

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13_2to1_14/data/SoundMapping.java

@@ -1,44 +0,0 @@
-package nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.data;
-
-import us.myles.viaversion.libs.gson.JsonArray;
-import us.myles.viaversion.libs.gson.JsonElement;
-import us.myles.viaversion.libs.gson.JsonObject;
-
-import java.util.Arrays;
-
-import static us.myles.ViaVersion.api.data.MappingDataLoader.loadData;
-
-public class SoundMapping {
-    private static final short[] sounds = new short[795];
-
-    public static void init() {
-        JsonObject mapping1_13_2 = loadData("mapping-1.13.2.json");
-        JsonObject mapping1_14 = loadData("mapping-1.14.json");
-
-        Arrays.fill(sounds, (short) -1);
-        mapIdentifiers(sounds, mapping1_14.getAsJsonArray("sounds"), mapping1_13_2.getAsJsonArray("sounds"));
-    }
-
-    private static void mapIdentifiers(short[] output, JsonArray oldIdentifiers, JsonArray newIdentifiers) {
-        for (int i = 0; i < oldIdentifiers.size(); i++) {
-            JsonElement v = oldIdentifiers.get(i);
-            Integer index = findIndex(newIdentifiers, v.getAsString());
-            if (index == null) continue;  //There will be missing sounds, since we are goind backwards
-            output[i] = index.shortValue();
-        }
-    }
-
-    private static Integer findIndex(JsonArray array, String value) {
-        for (int i = 0; i < array.size(); i++) {
-            JsonElement v = array.get(i);
-            if (v.getAsString().equals(value)) {
-                return i;
-            }
-        }
-        return null;
-    }
-
-    public static int getOldSound(int newSound) {
-        return newSound >= sounds.length ? -1 : sounds[newSound];
-    }
-}

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13_2to1_14/packets/BlockItemPackets1_14.java

@@ -5,7 +5,9 @@ import nl.matsv.viabackwards.ViaBackwards;
 import nl.matsv.viabackwards.api.entities.storage.EntityTracker;
 import nl.matsv.viabackwards.api.rewriters.BlockItemRewriter;
 import nl.matsv.viabackwards.api.rewriters.EnchantmentRewriter;
+import nl.matsv.viabackwards.api.rewriters.RecipeRewriter;
 import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.Protocol1_13_2To1_14;
+import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.data.RecipeRewriter1_14;
 import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.storage.ChunkLightStorage;
 import us.myles.ViaVersion.api.PacketWrapper;
 import us.myles.ViaVersion.api.Via;
@@ -145,6 +147,9 @@ public class BlockItemPackets1_14 extends BlockItemRewriter<Protocol1_13_2To1_14
 
         ItemRewriter itemRewriter = new ItemRewriter(protocol, this::handleItemToClient, this::handleItemToServer);
 
+        // Set cooldown
+        itemRewriter.registerSetCooldown(0x17, 0x18, BlockItemPackets1_14::getOldItemId);
+
         // Window items packet
         itemRewriter.registerWindowItems(Type.FLAT_VAR_INT_ITEM_ARRAY, 0x14, 0x15);
 
@@ -229,7 +234,7 @@ public class BlockItemPackets1_14 extends BlockItemRewriter<Protocol1_13_2To1_14
                     public void handle(PacketWrapper wrapper) throws Exception {
                         int entityId = wrapper.get(Type.VAR_INT, 0);
                         EntityType entityType = wrapper.user().get(EntityTracker.class).get(getProtocol()).getEntityType(entityId);
-                        if (entityType == null) return; // TODO: Check why there might (?) be an untracked entity
+                        if (entityType == null) return;
 
                         if (entityType.isOrHasParent(Entity1_14Types.EntityType.ABSTRACT_HORSE)) {
                             wrapper.setId(0x3F);
@@ -257,8 +262,8 @@ public class BlockItemPackets1_14 extends BlockItemRewriter<Protocol1_13_2To1_14
             @Override
             public void registerMap() {
                 handler(new PacketHandler() {
-
                     private final Set<String> removedTypes = ImmutableSet.of("crafting_special_suspiciousstew", "blasting", "smoking", "campfire_cooking", "stonecutting");
+                    private final RecipeRewriter recipeHandler = new RecipeRewriter1_14(BlockItemPackets1_14.this);
 
                     @Override
                     public void handle(PacketWrapper wrapper) throws Exception {
@@ -291,44 +296,8 @@ public class BlockItemPackets1_14 extends BlockItemRewriter<Protocol1_13_2To1_14
                             wrapper.write(Type.STRING, id);
                             wrapper.write(Type.STRING, type);
 
-                            if (type.equals("crafting_shapeless")) {
+                            // Handle the rest of the types
-                                wrapper.passthrough(Type.STRING); // Group
+                            recipeHandler.handle(wrapper, type);
-                                int ingredientsNo = wrapper.passthrough(Type.VAR_INT);
-                                for (int j = 0; j < ingredientsNo; j++) {
-                                    Item[] items = wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT); // Ingredients
-                                    for (int k = 0; k < items.length; k++) {
-                                        items[k] = handleItemToClient(items[k]);
-                                    }
-                                    wrapper.write(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT, items);
-                                }
-                                Item result = handleItemToClient(wrapper.read(Type.FLAT_VAR_INT_ITEM));// Result
-                                wrapper.write(Type.FLAT_VAR_INT_ITEM, result);
-                            } else if (type.equals("crafting_shaped")) {
-                                int ingredientsNo = wrapper.passthrough(Type.VAR_INT) * wrapper.passthrough(Type.VAR_INT);
-                                wrapper.passthrough(Type.STRING); // Group
-                                for (int j = 0; j < ingredientsNo; j++) {
-                                    Item[] items = wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT); // Ingredients
-                                    for (int k = 0; k < items.length; k++) {
-                                        items[k] = handleItemToClient(items[k]);
-                                    }
-                                    wrapper.write(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT, items);
-                                }
-                                Item result = handleItemToClient(wrapper.read(Type.FLAT_VAR_INT_ITEM));// Result
-                                wrapper.write(Type.FLAT_VAR_INT_ITEM, result);
-                            } else if (type.equals("smelting")) {
-                                wrapper.passthrough(Type.STRING); // Group
-                                Item[] items = wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT); // Ingredients
-                                for (int k = 0; k < items.length; k++) {
-                                    items[k] = handleItemToClient(items[k]);
-                                }
-                                wrapper.write(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT, items);
-
-                                Item result = handleItemToClient(wrapper.read(Type.FLAT_VAR_INT_ITEM));// Result
-                                wrapper.write(Type.FLAT_VAR_INT_ITEM, result);
-
-                                wrapper.passthrough(Type.FLOAT); // EXP
-                                wrapper.passthrough(Type.VAR_INT); // Cooking time
-                            }
                         }
                         wrapper.set(Type.VAR_INT, 0, size - deleted);
                     }
@@ -336,10 +305,9 @@ public class BlockItemPackets1_14 extends BlockItemRewriter<Protocol1_13_2To1_14
             }
         });
 
-
         /*
             Incoming packets
-         */
+        */
 
         // Click window packet
         itemRewriter.registerClickWindow(Type.FLAT_VAR_INT_ITEM, 0x09, 0x08);
@@ -376,7 +344,7 @@ public class BlockItemPackets1_14 extends BlockItemRewriter<Protocol1_13_2To1_14
                 handler(new PacketHandler() {
                     @Override
                     public void handle(PacketWrapper wrapper) throws Exception {
-                        wrapper.set(Type.VAR_INT, 0, Protocol1_13_2To1_14.getNewBlockStateId(wrapper.get(Type.VAR_INT, 0))); //TODO proper block id
+                        wrapper.set(Type.VAR_INT, 0, Protocol1_13_2To1_14.getNewBlockId(wrapper.get(Type.VAR_INT, 0)));
                     }
                 });
             }
@@ -589,105 +557,105 @@ public class BlockItemPackets1_14 extends BlockItemRewriter<Protocol1_13_2To1_14
 
     @Override
     protected void registerRewrites() {
-        rewrite(247).repItem(new Item((short) 245, (byte) 1, (short) -1, getNamedTag("1.14 Brick Wall")));
+        rewrite(247).repItem(new Item(245, (byte) 1, (short) -1, getNamedTag("1.14 Brick Wall")));
-        rewrite(248).repItem(new Item((short) 245, (byte) 1, (short) -1, getNamedTag("1.14 Prismarine Wall")));
+        rewrite(248).repItem(new Item(245, (byte) 1, (short) -1, getNamedTag("1.14 Prismarine Wall")));
-        rewrite(249).repItem(new Item((short) 245, (byte) 1, (short) -1, getNamedTag("1.14 Red Sandstone Wall")));
+        rewrite(249).repItem(new Item(245, (byte) 1, (short) -1, getNamedTag("1.14 Red Sandstone Wall")));
-        rewrite(250).repItem(new Item((short) 246, (byte) 1, (short) -1, getNamedTag("1.14 Mossy Stone Brick Wall")));
+        rewrite(250).repItem(new Item(246, (byte) 1, (short) -1, getNamedTag("1.14 Mossy Stone Brick Wall")));
-        rewrite(251).repItem(new Item((short) 245, (byte) 1, (short) -1, getNamedTag("1.14 Granite Wall")));
+        rewrite(251).repItem(new Item(245, (byte) 1, (short) -1, getNamedTag("1.14 Granite Wall")));
-        rewrite(252).repItem(new Item((short) 245, (byte) 1, (short) -1, getNamedTag("1.14 Stone Brick Wall")));
+        rewrite(252).repItem(new Item(245, (byte) 1, (short) -1, getNamedTag("1.14 Stone Brick Wall")));
-        rewrite(253).repItem(new Item((short) 245, (byte) 1, (short) -1, getNamedTag("1.14 Nether Brick Wall")));
+        rewrite(253).repItem(new Item(245, (byte) 1, (short) -1, getNamedTag("1.14 Nether Brick Wall")));
-        rewrite(254).repItem(new Item((short) 245, (byte) 1, (short) -1, getNamedTag("1.14 Andesite Wall")));
+        rewrite(254).repItem(new Item(245, (byte) 1, (short) -1, getNamedTag("1.14 Andesite Wall")));
-        rewrite(255).repItem(new Item((short) 245, (byte) 1, (short) -1, getNamedTag("1.14 Red Nether Brick Wall")));
+        rewrite(255).repItem(new Item(245, (byte) 1, (short) -1, getNamedTag("1.14 Red Nether Brick Wall")));
-        rewrite(256).repItem(new Item((short) 245, (byte) 1, (short) -1, getNamedTag("1.14 Sandstone Wall")));
+        rewrite(256).repItem(new Item(245, (byte) 1, (short) -1, getNamedTag("1.14 Sandstone Wall")));
-        rewrite(257).repItem(new Item((short) 245, (byte) 1, (short) -1, getNamedTag("1.14 End Stone Brick Wall")));
+        rewrite(257).repItem(new Item(245, (byte) 1, (short) -1, getNamedTag("1.14 End Stone Brick Wall")));
-        rewrite(258).repItem(new Item((short) 245, (byte) 1, (short) -1, getNamedTag("1.14 Diorite Wall")));
+        rewrite(258).repItem(new Item(245, (byte) 1, (short) -1, getNamedTag("1.14 Diorite Wall")));
 
-        rewrite(121).repItem(new Item((short) 126, (byte) 1, (short) -1, getNamedTag("1.14 Stone Slab")));
+        rewrite(121).repItem(new Item(126, (byte) 1, (short) -1, getNamedTag("1.14 Stone Slab")));
-        rewrite(124).repItem(new Item((short) 123, (byte) 1, (short) -1, getNamedTag("1.14 Cut Sandstone Slab")));
+        rewrite(124).repItem(new Item(123, (byte) 1, (short) -1, getNamedTag("1.14 Cut Sandstone Slab")));
-        rewrite(132).repItem(new Item((short) 131, (byte) 1, (short) -1, getNamedTag("1.14 Cut Red Sandstone Slab")));
+        rewrite(132).repItem(new Item(131, (byte) 1, (short) -1, getNamedTag("1.14 Cut Red Sandstone Slab")));
-        rewrite(492).repItem(new Item((short) 126, (byte) 1, (short) -1, getNamedTag("1.14 Polished Granite Slab")));
+        rewrite(492).repItem(new Item(126, (byte) 1, (short) -1, getNamedTag("1.14 Polished Granite Slab")));
-        rewrite(493).repItem(new Item((short) 131, (byte) 1, (short) -1, getNamedTag("1.14 Smooth Red Sandstone Slab")));
+        rewrite(493).repItem(new Item(131, (byte) 1, (short) -1, getNamedTag("1.14 Smooth Red Sandstone Slab")));
-        rewrite(494).repItem(new Item((short) 126, (byte) 1, (short) -1, getNamedTag("1.14 Mossy Stone Brick Slab")));
+        rewrite(494).repItem(new Item(126, (byte) 1, (short) -1, getNamedTag("1.14 Mossy Stone Brick Slab")));
-        rewrite(495).repItem(new Item((short) 126, (byte) 1, (short) -1, getNamedTag("1.14 Polished Diorite Slab")));
+        rewrite(495).repItem(new Item(126, (byte) 1, (short) -1, getNamedTag("1.14 Polished Diorite Slab")));
-        rewrite(496).repItem(new Item((short) 126, (byte) 1, (short) -1, getNamedTag("1.14 Mossy Cobblestone Slab")));
+        rewrite(496).repItem(new Item(126, (byte) 1, (short) -1, getNamedTag("1.14 Mossy Cobblestone Slab")));
-        rewrite(497).repItem(new Item((short) 123, (byte) 1, (short) -1, getNamedTag("1.14 End Stone Brick Slab")));
+        rewrite(497).repItem(new Item(123, (byte) 1, (short) -1, getNamedTag("1.14 End Stone Brick Slab")));
-        rewrite(498).repItem(new Item((short) 123, (byte) 1, (short) -1, getNamedTag("1.14 Smooth Cut Sandstone Slab")));
+        rewrite(498).repItem(new Item(123, (byte) 1, (short) -1, getNamedTag("1.14 Smooth Cut Sandstone Slab")));
-        rewrite(499).repItem(new Item((short) 130, (byte) 1, (short) -1, getNamedTag("1.14 Smooth Quartz Slab")));
+        rewrite(499).repItem(new Item(130, (byte) 1, (short) -1, getNamedTag("1.14 Smooth Quartz Slab")));
-        rewrite(500).repItem(new Item((short) 126, (byte) 1, (short) -1, getNamedTag("1.14 Granite Slab")));
+        rewrite(500).repItem(new Item(126, (byte) 1, (short) -1, getNamedTag("1.14 Granite Slab")));
-        rewrite(501).repItem(new Item((short) 126, (byte) 1, (short) -1, getNamedTag("1.14 Andesite Slab")));
+        rewrite(501).repItem(new Item(126, (byte) 1, (short) -1, getNamedTag("1.14 Andesite Slab")));
-        rewrite(502).repItem(new Item((short) 129, (byte) 1, (short) -1, getNamedTag("1.14 Red Nether Brick Slab")));
+        rewrite(502).repItem(new Item(129, (byte) 1, (short) -1, getNamedTag("1.14 Red Nether Brick Slab")));
-        rewrite(503).repItem(new Item((short) 126, (byte) 1, (short) -1, getNamedTag("1.14 Polished Andesite Slab")));
+        rewrite(503).repItem(new Item(126, (byte) 1, (short) -1, getNamedTag("1.14 Polished Andesite Slab")));
-        rewrite(504).repItem(new Item((short) 126, (byte) 1, (short) -1, getNamedTag("1.14 Diorite Slab")));
+        rewrite(504).repItem(new Item(126, (byte) 1, (short) -1, getNamedTag("1.14 Diorite Slab")));
 
-        rewrite(478).repItem(new Item((short) 163, (byte) 1, (short) -1, getNamedTag("1.14 Polished Granite Stairs")));
+        rewrite(478).repItem(new Item(163, (byte) 1, (short) -1, getNamedTag("1.14 Polished Granite Stairs")));
-        rewrite(479).repItem(new Item((short) 371, (byte) 1, (short) -1, getNamedTag("1.14 Smooth Red Sandstone Stairs")));
+        rewrite(479).repItem(new Item(371, (byte) 1, (short) -1, getNamedTag("1.14 Smooth Red Sandstone Stairs")));
-        rewrite(480).repItem(new Item((short) 163, (byte) 1, (short) -1, getNamedTag("1.14 Mossy Stone Brick Stairs")));
+        rewrite(480).repItem(new Item(163, (byte) 1, (short) -1, getNamedTag("1.14 Mossy Stone Brick Stairs")));
-        rewrite(481).repItem(new Item((short) 163, (byte) 1, (short) -1, getNamedTag("1.14 Polished Diorite Stairs")));
+        rewrite(481).repItem(new Item(163, (byte) 1, (short) -1, getNamedTag("1.14 Polished Diorite Stairs")));
-        rewrite(482).repItem(new Item((short) 163, (byte) 1, (short) -1, getNamedTag("1.14 Mossy Cobblestone Stairs")));
+        rewrite(482).repItem(new Item(163, (byte) 1, (short) -1, getNamedTag("1.14 Mossy Cobblestone Stairs")));
-        rewrite(483).repItem(new Item((short) 235, (byte) 1, (short) -1, getNamedTag("1.14 End Stone Brick Stairs")));
+        rewrite(483).repItem(new Item(235, (byte) 1, (short) -1, getNamedTag("1.14 End Stone Brick Stairs")));
-        rewrite(484).repItem(new Item((short) 163, (byte) 1, (short) -1, getNamedTag("1.14 Stone Stairs")));
+        rewrite(484).repItem(new Item(163, (byte) 1, (short) -1, getNamedTag("1.14 Stone Stairs")));
-        rewrite(485).repItem(new Item((short) 235, (byte) 1, (short) -1, getNamedTag("1.14 Smooth Sandstone Stairs")));
+        rewrite(485).repItem(new Item(235, (byte) 1, (short) -1, getNamedTag("1.14 Smooth Sandstone Stairs")));
-        rewrite(486).repItem(new Item((short) 278, (byte) 1, (short) -1, getNamedTag("1.14 Smooth Quartz Stairs")));
+        rewrite(486).repItem(new Item(278, (byte) 1, (short) -1, getNamedTag("1.14 Smooth Quartz Stairs")));
-        rewrite(487).repItem(new Item((short) 163, (byte) 1, (short) -1, getNamedTag("1.14 Granite Stairs")));
+        rewrite(487).repItem(new Item(163, (byte) 1, (short) -1, getNamedTag("1.14 Granite Stairs")));
-        rewrite(488).repItem(new Item((short) 163, (byte) 1, (short) -1, getNamedTag("1.14 Andesite Stairs")));
+        rewrite(488).repItem(new Item(163, (byte) 1, (short) -1, getNamedTag("1.14 Andesite Stairs")));
-        rewrite(489).repItem(new Item((short) 228, (byte) 1, (short) -1, getNamedTag("1.14 Red Nether Brick Stairs")));
+        rewrite(489).repItem(new Item(228, (byte) 1, (short) -1, getNamedTag("1.14 Red Nether Brick Stairs")));
-        rewrite(490).repItem(new Item((short) 163, (byte) 1, (short) -1, getNamedTag("1.14 Polished Andesite Stairs")));
+        rewrite(490).repItem(new Item(163, (byte) 1, (short) -1, getNamedTag("1.14 Polished Andesite Stairs")));
-        rewrite(491).repItem(new Item((short) 163, (byte) 1, (short) -1, getNamedTag("1.14 Diorite Stairs")));
+        rewrite(491).repItem(new Item(163, (byte) 1, (short) -1, getNamedTag("1.14 Diorite Stairs")));
 
-        rewrite(108).repItem(new Item((short) 111, (byte) 1, (short) -1, getNamedTag("1.14 Cornflower")));
+        rewrite(108).repItem(new Item(111, (byte) 1, (short) -1, getNamedTag("1.14 Cornflower")));
-        rewrite(109).repItem(new Item((short) 105, (byte) 1, (short) -1, getNamedTag("1.14 Lily of the Valley")));
+        rewrite(109).repItem(new Item(105, (byte) 1, (short) -1, getNamedTag("1.14 Lily of the Valley")));
-        rewrite(110).repItem(new Item((short) 100, (byte) 1, (short) -1, getNamedTag("1.14 Wither Rose")));
+        rewrite(110).repItem(new Item(100, (byte) 1, (short) -1, getNamedTag("1.14 Wither Rose")));
 
-        rewrite(614).repItem(new Item((short) 611, (byte) 1, (short) -1, getNamedTag("1.14 Bamboo")));
+        rewrite(614).repItem(new Item(611, (byte) 1, (short) -1, getNamedTag("1.14 Bamboo")));
-        rewrite(857).repItem(new Item((short) 547, (byte) 1, (short) -1, getNamedTag("1.14 Suspicious Stew")));
+        rewrite(857).repItem(new Item(547, (byte) 1, (short) -1, getNamedTag("1.14 Suspicious Stew")));
-        rewrite(795).repItem(new Item((short) 793, (byte) 1, (short) -1, getNamedTag("1.14 Leather Horse Armor")));
+        rewrite(795).repItem(new Item(793, (byte) 1, (short) -1, getNamedTag("1.14 Leather Horse Armor")));
 
-        rewrite(647).repItem(new Item((short) 635, (byte) 1, (short) -1, getNamedTag("1.14 Blue Dye")));
+        rewrite(647).repItem(new Item(635, (byte) 1, (short) -1, getNamedTag("1.14 Blue Dye")));
-        rewrite(648).repItem(new Item((short) 634, (byte) 1, (short) -1, getNamedTag("1.14 Brown Dye")));
+        rewrite(648).repItem(new Item(634, (byte) 1, (short) -1, getNamedTag("1.14 Brown Dye")));
-        rewrite(649).repItem(new Item((short) 631, (byte) 1, (short) -1, getNamedTag("1.14 Black Dye")));
+        rewrite(649).repItem(new Item(631, (byte) 1, (short) -1, getNamedTag("1.14 Black Dye")));
-        rewrite(650).repItem(new Item((short) 646, (byte) 1, (short) -1, getNamedTag("1.14 White Dye")));
+        rewrite(650).repItem(new Item(646, (byte) 1, (short) -1, getNamedTag("1.14 White Dye")));
 
-        rewrite(505).repItem(new Item((short) 299, (byte) 1, (short) -1, getNamedTag("1.14 Scaffolding")));
+        rewrite(505).repItem(new Item(299, (byte) 1, (short) -1, getNamedTag("1.14 Scaffolding")));
-        rewrite(516).repItem(new Item((short) 515, (byte) 1, (short) -1, getNamedTag("1.14 Jigsaw Block")));
+        rewrite(516).repItem(new Item(515, (byte) 1, (short) -1, getNamedTag("1.14 Jigsaw Block")));
-        rewrite(517).repItem(new Item((short) 694, (byte) 1, (short) -1, getNamedTag("1.14 Composter")));
+        rewrite(517).repItem(new Item(694, (byte) 1, (short) -1, getNamedTag("1.14 Composter")));
 
-        rewrite(864).repItem(new Item((short) 155, (byte) 1, (short) -1, getNamedTag("1.14 Barrel")));
+        rewrite(864).repItem(new Item(155, (byte) 1, (short) -1, getNamedTag("1.14 Barrel")));
-        rewrite(858).repItem(new Item((short) 158, (byte) 1, (short) -1, getNamedTag("1.14 Loom")));
+        rewrite(858).repItem(new Item(158, (byte) 1, (short) -1, getNamedTag("1.14 Loom")));
-        rewrite(865).repItem(new Item((short) 160, (byte) 1, (short) -1, getNamedTag("1.14 Smoker")));
+        rewrite(865).repItem(new Item(160, (byte) 1, (short) -1, getNamedTag("1.14 Smoker")));
-        rewrite(866).repItem(new Item((short) 160, (byte) 1, (short) -1, getNamedTag("1.14 Blast Furnace")));
+        rewrite(866).repItem(new Item(160, (byte) 1, (short) -1, getNamedTag("1.14 Blast Furnace")));
-        rewrite(867).repItem(new Item((short) 158, (byte) 1, (short) -1, getNamedTag("1.14 Cartography Table")));
+        rewrite(867).repItem(new Item(158, (byte) 1, (short) -1, getNamedTag("1.14 Cartography Table")));
-        rewrite(868).repItem(new Item((short) 158, (byte) 1, (short) -1, getNamedTag("1.14 Fletching Table")));
+        rewrite(868).repItem(new Item(158, (byte) 1, (short) -1, getNamedTag("1.14 Fletching Table")));
-        rewrite(869).repItem(new Item((short) 265, (byte) 1, (short) -1, getNamedTag("1.14 Grindstone")));
+        rewrite(869).repItem(new Item(265, (byte) 1, (short) -1, getNamedTag("1.14 Grindstone")));
-        rewrite(870).repItem(new Item((short) 143, (byte) 1, (short) -1, getNamedTag("1.14 Lectern")));
+        rewrite(870).repItem(new Item(143, (byte) 1, (short) -1, getNamedTag("1.14 Lectern")));
-        rewrite(871).repItem(new Item((short) 158, (byte) 1, (short) -1, getNamedTag("1.14 Smithing Table")));
+        rewrite(871).repItem(new Item(158, (byte) 1, (short) -1, getNamedTag("1.14 Smithing Table")));
-        rewrite(872).repItem(new Item((short) 158, (byte) 1, (short) -1, getNamedTag("1.14 Stonecutter")));
+        rewrite(872).repItem(new Item(158, (byte) 1, (short) -1, getNamedTag("1.14 Stonecutter")));
 
-        rewrite(859).repItem(new Item((short) 615, (byte) 1, (short) -1, getNamedTag("1.14 Flower Banner Pattern")));
+        rewrite(859).repItem(new Item(615, (byte) 1, (short) -1, getNamedTag("1.14 Flower Banner Pattern")));
-        rewrite(860).repItem(new Item((short) 615, (byte) 1, (short) -1, getNamedTag("1.14 Creeper Banner Pattern")));
+        rewrite(860).repItem(new Item(615, (byte) 1, (short) -1, getNamedTag("1.14 Creeper Banner Pattern")));
-        rewrite(861).repItem(new Item((short) 615, (byte) 1, (short) -1, getNamedTag("1.14 Skull Banner Pattern")));
+        rewrite(861).repItem(new Item(615, (byte) 1, (short) -1, getNamedTag("1.14 Skull Banner Pattern")));
-        rewrite(862).repItem(new Item((short) 615, (byte) 1, (short) -1, getNamedTag("1.14 Mojang Banner Pattern")));
+        rewrite(862).repItem(new Item(615, (byte) 1, (short) -1, getNamedTag("1.14 Mojang Banner Pattern")));
-        rewrite(863).repItem(new Item((short) 615, (byte) 1, (short) -1, getNamedTag("1.14 Globe Banner Pattern")));
+        rewrite(863).repItem(new Item(615, (byte) 1, (short) -1, getNamedTag("1.14 Globe Banner Pattern")));
 
-        rewrite(873).repItem(new Item((short) 113, (byte) 1, (short) -1, getNamedTag("1.14 Bell")));
+        rewrite(873).repItem(new Item(113, (byte) 1, (short) -1, getNamedTag("1.14 Bell")));
-        rewrite(874).repItem(new Item((short) 234, (byte) 1, (short) -1, getNamedTag("1.14 Lantern")));
+        rewrite(874).repItem(new Item(234, (byte) 1, (short) -1, getNamedTag("1.14 Lantern")));
-        rewrite(875).repItem(new Item((short) 820, (byte) 1, (short) -1, getNamedTag("1.14 Sweet Berries")));
+        rewrite(875).repItem(new Item(820, (byte) 1, (short) -1, getNamedTag("1.14 Sweet Berries")));
-        rewrite(876).repItem(new Item((short) 146, (byte) 1, (short) -1, getNamedTag("1.14 Campfire")));
+        rewrite(876).repItem(new Item(146, (byte) 1, (short) -1, getNamedTag("1.14 Campfire")));
 
-        rewrite(590).repItem(new Item((short) 589, (byte) 1, (short) -1, getNamedTag("1.14 Spruce Sign")));
+        rewrite(590).repItem(new Item(589, (byte) 1, (short) -1, getNamedTag("1.14 Spruce Sign")));
-        rewrite(591).repItem(new Item((short) 589, (byte) 1, (short) -1, getNamedTag("1.14 Birch Sign")));
+        rewrite(591).repItem(new Item(589, (byte) 1, (short) -1, getNamedTag("1.14 Birch Sign")));
-        rewrite(592).repItem(new Item((short) 589, (byte) 1, (short) -1, getNamedTag("1.14 Jungle Sign")));
+        rewrite(592).repItem(new Item(589, (byte) 1, (short) -1, getNamedTag("1.14 Jungle Sign")));
-        rewrite(593).repItem(new Item((short) 589, (byte) 1, (short) -1, getNamedTag("1.14 Acacia Sign")));
+        rewrite(593).repItem(new Item(589, (byte) 1, (short) -1, getNamedTag("1.14 Acacia Sign")));
-        rewrite(594).repItem(new Item((short) 589, (byte) 1, (short) -1, getNamedTag("1.14 Dark Oak Sign")));
+        rewrite(594).repItem(new Item(589, (byte) 1, (short) -1, getNamedTag("1.14 Dark Oak Sign")));
 
-        rewrite(856).repItem(new Item((short) 525, (byte) 1, (short) -1, getNamedTag("1.14 Crossbow")));
+        rewrite(856).repItem(new Item(525, (byte) 1, (short) -1, getNamedTag("1.14 Crossbow")));
 
-        rewrite(699).repItem(new Item((short) 721, (byte) 1, (short) -1, getNamedTag("1.14 Cat Spawn Egg")));
+        rewrite(699).repItem(new Item(721, (byte) 1, (short) -1, getNamedTag("1.14 Cat Spawn Egg")));
-        rewrite(712).repItem(new Item((short) 725, (byte) 1, (short) -1, getNamedTag("1.14 Fox Spawn Egg")));
+        rewrite(712).repItem(new Item(725, (byte) 1, (short) -1, getNamedTag("1.14 Fox Spawn Egg")));
-        rewrite(722).repItem(new Item((short) 735, (byte) 1, (short) -1, getNamedTag("1.14 Panda Spawn Egg")));
+        rewrite(722).repItem(new Item(735, (byte) 1, (short) -1, getNamedTag("1.14 Panda Spawn Egg")));
-        rewrite(726).repItem(new Item((short) 754, (byte) 1, (short) -1, getNamedTag("1.14 Pillager Spawn Egg")));
+        rewrite(726).repItem(new Item(754, (byte) 1, (short) -1, getNamedTag("1.14 Pillager Spawn Egg")));
-        rewrite(730).repItem(new Item((short) 734, (byte) 1, (short) -1, getNamedTag("1.14 Ravager Spawn Egg")));
+        rewrite(730).repItem(new Item(734, (byte) 1, (short) -1, getNamedTag("1.14 Ravager Spawn Egg")));
-        rewrite(741).repItem(new Item((short) 698, (byte) 1, (short) -1, getNamedTag("1.14 Trader Llama Spawn Egg")));
+        rewrite(741).repItem(new Item(698, (byte) 1, (short) -1, getNamedTag("1.14 Trader Llama Spawn Egg")));
-        rewrite(747).repItem(new Item((short) 739, (byte) 1, (short) -1, getNamedTag("1.14 Wandering Trader Spawn Egg")));
+        rewrite(747).repItem(new Item(739, (byte) 1, (short) -1, getNamedTag("1.14 Wandering Trader Spawn Egg")));
 
         enchantmentRewriter = new EnchantmentRewriter(nbtTagName);
         enchantmentRewriter.registerEnchantment("minecraft:multishot", "§7Multishot");
@@ -772,14 +740,6 @@ public class BlockItemPackets1_14 extends BlockItemRewriter<Protocol1_13_2To1_14
         return item;
     }
 
-    @Override
-    protected CompoundTag getNamedTag(String text) {
-        CompoundTag tag = new CompoundTag("");
-        tag.put(new CompoundTag("display"));
-        ((CompoundTag) tag.get("display")).put(new StringTag("Name", ChatRewriter.legacyTextToJson(text)));
-        return tag;
-    }
-
 
     public static int getNewItemId(int id) {
         Integer newId = MappingData.oldToNewItems.get(id);
@@ -790,7 +750,6 @@ public class BlockItemPackets1_14 extends BlockItemRewriter<Protocol1_13_2To1_14
         return newId;
     }
 
-
     public static int getOldItemId(int id) {
         Integer oldId = MappingData.oldToNewItems.inverse().get(id);
         if (oldId == null) {

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13_2to1_14/packets/EntityPackets1_14.java

@@ -3,10 +3,11 @@ package nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.packets;
 import nl.matsv.viabackwards.ViaBackwards;
 import nl.matsv.viabackwards.api.entities.meta.MetaHandler;
 import nl.matsv.viabackwards.api.entities.storage.EntityData;
+import nl.matsv.viabackwards.api.entities.storage.EntityTracker;
 import nl.matsv.viabackwards.api.exceptions.RemovedValueException;
 import nl.matsv.viabackwards.api.rewriters.EntityRewriter;
-import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.packets.BlockItemPackets1_13;
 import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.Protocol1_13_2To1_14;
+import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.data.EntityPositionStorage;
 import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.data.EntityTypeMapping;
 import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.storage.ChunkLightStorage;
 import us.myles.ViaVersion.api.PacketWrapper;
@@ -22,18 +23,67 @@ import us.myles.ViaVersion.api.minecraft.metadata.types.MetaType1_13_2;
 import us.myles.ViaVersion.api.remapper.PacketHandler;
 import us.myles.ViaVersion.api.remapper.PacketRemapper;
 import us.myles.ViaVersion.api.type.Type;
+import us.myles.ViaVersion.api.type.types.Particle;
 import us.myles.ViaVersion.api.type.types.version.Types1_13_2;
 import us.myles.ViaVersion.api.type.types.version.Types1_14;
 import us.myles.ViaVersion.packets.State;
-import us.myles.ViaVersion.protocols.protocol1_13to1_12_2.data.Particle;
 import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
 
 import java.util.Optional;
 
 public class EntityPackets1_14 extends EntityRewriter<Protocol1_13_2To1_14> {
 
+    private static final double RELATIVE_MOVE_FACTOR = 32 * 128;
+
+    @Override
+    protected void addTrackedEntity(PacketWrapper wrapper, int entityId, EntityType type) throws Exception {
+        super.addTrackedEntity(wrapper, entityId, type);
+
+        // Cache the position for every newly tracked entity
+        if (type == Entity1_14Types.EntityType.PAINTING) {
+            final Position position = wrapper.get(Type.POSITION, 0);
+            cacheEntityPosition(wrapper, position.getX(), position.getY(), position.getZ(), true, false);
+        } else if (wrapper.getId() != 0x25) { // ignore join game
+            cacheEntityPosition(wrapper, true, false);
+        }
+    }
+
     @Override
     protected void registerPackets(Protocol1_13_2To1_14 protocol) {
+        // Entity teleport
+        protocol.registerOutgoing(State.PLAY, 0x56, 0x50, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.VAR_INT);
+                map(Type.DOUBLE);
+                map(Type.DOUBLE);
+                map(Type.DOUBLE);
+                handler(wrapper -> cacheEntityPosition(wrapper, false, false));
+            }
+        });
+
+        // Entity relative move + Entity look and relative move
+        PacketRemapper relativeMoveHandler = new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.VAR_INT);
+                map(Type.SHORT);
+                map(Type.SHORT);
+                map(Type.SHORT);
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        double x = wrapper.get(Type.SHORT, 0) / RELATIVE_MOVE_FACTOR;
+                        double y = wrapper.get(Type.SHORT, 1) / RELATIVE_MOVE_FACTOR;
+                        double z = wrapper.get(Type.SHORT, 2) / RELATIVE_MOVE_FACTOR;
+                        cacheEntityPosition(wrapper, x, y, z, false, true);
+                    }
+                });
+            }
+        };
+        protocol.registerOutgoing(State.PLAY, 0x28, 0x28, relativeMoveHandler);
+        protocol.registerOutgoing(State.PLAY, 0x29, 0x29, relativeMoveHandler);
+
         // Spawn Object
         protocol.registerOutgoing(State.PLAY, 0x00, 0x00, new PacketRemapper() {
             @Override
@@ -128,7 +178,7 @@ public class EntityPackets1_14 extends EntityRewriter<Protocol1_13_2To1_14> {
                     public void handle(PacketWrapper wrapper) throws Exception {
                         int type = wrapper.get(Type.VAR_INT, 1);
                         Entity1_14Types.EntityType entityType = Entity1_14Types.getTypeFromId(type);
-                        addTrackedEntity(wrapper.user(), wrapper.get(Type.VAR_INT, 0), entityType);
+                        addTrackedEntity(wrapper, wrapper.get(Type.VAR_INT, 0), entityType);
 
                         Optional<Integer> oldId = EntityTypeMapping.getOldId(type);
                         if (!oldId.isPresent()) {
@@ -151,10 +201,38 @@ public class EntityPackets1_14 extends EntityRewriter<Protocol1_13_2To1_14> {
         });
 
         // Spawn Experience Orb
-        registerExtraTracker(0x01, Entity1_14Types.EntityType.XP_ORB);
+        getProtocol().registerOutgoing(State.PLAY, 0x01, 0x01, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.VAR_INT); // 0 - Entity id
+                map(Type.DOUBLE); // Needs to be mapped for the position cache
+                map(Type.DOUBLE);
+                map(Type.DOUBLE);
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        addTrackedEntity(wrapper, wrapper.get(Type.VAR_INT, 0), Entity1_14Types.EntityType.XP_ORB);
+                    }
+                });
+            }
+        });
 
         // Spawn Global Object
-        registerExtraTracker(0x02, Entity1_14Types.EntityType.LIGHTNING_BOLT);
+        getProtocol().registerOutgoing(State.PLAY, 0x02, 0x02, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.VAR_INT); // 0 - Entity id
+                map(Type.DOUBLE); // Needs to be mapped for the position cache
+                map(Type.DOUBLE);
+                map(Type.DOUBLE);
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        addTrackedEntity(wrapper, wrapper.get(Type.VAR_INT, 0), Entity1_14Types.EntityType.LIGHTNING_BOLT);
+                    }
+                });
+            }
+        });
 
         // Spawn painting
         protocol.registerOutgoing(State.PLAY, 0x04, 0x04, new PacketRemapper() {
@@ -170,7 +248,7 @@ public class EntityPackets1_14 extends EntityRewriter<Protocol1_13_2To1_14> {
                 handler(new PacketHandler() {
                     @Override
                     public void handle(PacketWrapper wrapper) throws Exception {
-                        addTrackedEntity(wrapper.user(), wrapper.get(Type.VAR_INT, 0), Entity1_14Types.EntityType.PAINTING);
+                        addTrackedEntity(wrapper, wrapper.get(Type.VAR_INT, 0), Entity1_14Types.EntityType.PAINTING);
                     }
                 });
             }
@@ -190,6 +268,7 @@ public class EntityPackets1_14 extends EntityRewriter<Protocol1_13_2To1_14> {
                 map(Types1_14.METADATA_LIST, Types1_13_2.METADATA_LIST); // 7 - Metadata
 
                 handler(getTrackerAndMetaHandler(Types1_13_2.METADATA_LIST, Entity1_14Types.EntityType.PLAYER));
+                handler(wrapper -> cacheEntityPosition(wrapper, true, false));
             }
         });
 
@@ -426,6 +505,30 @@ public class EntityPackets1_14 extends EntityRewriter<Protocol1_13_2To1_14> {
         });
     }
 
+    private void cacheEntityPosition(PacketWrapper wrapper, boolean create, boolean relative) throws Exception {
+        cacheEntityPosition(wrapper,
+                wrapper.get(Type.DOUBLE, 0), wrapper.get(Type.DOUBLE, 1), wrapper.get(Type.DOUBLE, 2), create, relative);
+    }
+
+    private void cacheEntityPosition(PacketWrapper wrapper, double x, double y, double z, boolean create, boolean relative) throws Exception {
+        int entityId = wrapper.get(Type.VAR_INT, 0);
+        Optional<EntityTracker.StoredEntity> optStoredEntity = getEntityTracker(wrapper.user()).getEntity(entityId);
+        if (!optStoredEntity.isPresent()) {
+            ViaBackwards.getPlatform().getLogger().warning("Stored entity with id " + entityId + " not found!");
+            return;
+        }
+
+        EntityTracker.StoredEntity storedEntity = optStoredEntity.get();
+        EntityPositionStorage positionStorage = create ? new EntityPositionStorage() : storedEntity.get(EntityPositionStorage.class);
+        if (positionStorage == null) {
+            ViaBackwards.getPlatform().getLogger().warning("Stored entity with id " + entityId + " missing entitypositionstorage!");
+            return;
+        }
+
+        positionStorage.setCoordinates(x, y, z, relative);
+        storedEntity.put(positionStorage);
+    }
+
     public int villagerDataToProfession(VillagerData data) {
         switch (data.getProfession()) {
             case 1: // Armorer

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13_2to1_14/packets/SoundPackets1_14.java

@@ -1,14 +1,19 @@
 package nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.packets;
 
+import nl.matsv.viabackwards.ViaBackwards;
+import nl.matsv.viabackwards.api.entities.storage.EntityTracker;
 import nl.matsv.viabackwards.api.rewriters.Rewriter;
 import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.Protocol1_13_2To1_14;
-import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.data.SoundMapping;
+import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.data.BackwardsMappings;
+import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.data.EntityPositionStorage;
 import us.myles.ViaVersion.api.PacketWrapper;
 import us.myles.ViaVersion.api.remapper.PacketHandler;
 import us.myles.ViaVersion.api.remapper.PacketRemapper;
 import us.myles.ViaVersion.api.type.Type;
 import us.myles.ViaVersion.packets.State;
 
+import java.util.Optional;
+
 public class SoundPackets1_14 extends Rewriter<Protocol1_13_2To1_14> {
     @Override
     protected void registerPackets(Protocol1_13_2To1_14 protocol) {
@@ -20,7 +25,55 @@ public class SoundPackets1_14 extends Rewriter<Protocol1_13_2To1_14> {
                 handler(new PacketHandler() {
                     @Override
                     public void handle(PacketWrapper wrapper) throws Exception {
-                        wrapper.set(Type.VAR_INT, 0, SoundMapping.getOldSound(wrapper.get(Type.VAR_INT, 0)));
+                        int newId = BackwardsMappings.soundMappings.getNewId(wrapper.get(Type.VAR_INT, 0));
+                        if (newId == -1) {
+                            wrapper.cancel();
+                        } else {
+                            wrapper.set(Type.VAR_INT, 0, newId);
+                        }
+                    }
+                });
+            }
+        });
+
+        // Entity Sound Effect
+        protocol.registerOutgoing(State.PLAY, 0x50, -1, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        wrapper.cancel();
+
+                        int soundId = wrapper.read(Type.VAR_INT);
+                        int newId = BackwardsMappings.soundMappings.getNewId(soundId);
+                        if (newId == -1) return;
+
+                        int category = wrapper.read(Type.VAR_INT);
+                        int entityId = wrapper.read(Type.VAR_INT);
+
+                        Optional<EntityTracker.StoredEntity> optEntity = wrapper.user().get(EntityTracker.class).get(protocol).getEntity(entityId);
+                        EntityPositionStorage storedEntity;
+                        if (!optEntity.isPresent() || (storedEntity = optEntity.get().get(EntityPositionStorage.class)) == null) {
+                            ViaBackwards.getPlatform().getLogger().warning("Untracked entity with id " + entityId);
+                            return;
+                        }
+
+                        float volume = wrapper.read(Type.FLOAT);
+                        float pitch = wrapper.read(Type.FLOAT);
+                        int x = (int) (storedEntity.getX() * 8D);
+                        int y = (int) (storedEntity.getY() * 8D);
+                        int z = (int) (storedEntity.getZ() * 8D);
+
+                        PacketWrapper soundPacket = wrapper.create(0x4D);
+                        soundPacket.write(Type.VAR_INT, newId);
+                        soundPacket.write(Type.VAR_INT, category);
+                        soundPacket.write(Type.INT, x);
+                        soundPacket.write(Type.INT, y);
+                        soundPacket.write(Type.INT, z);
+                        soundPacket.write(Type.FLOAT, volume);
+                        soundPacket.write(Type.FLOAT, pitch);
+                        soundPacket.send(Protocol1_13_2To1_14.class);
                     }
                 });
             }
@@ -29,6 +82,5 @@ public class SoundPackets1_14 extends Rewriter<Protocol1_13_2To1_14> {
 
     @Override
     protected void registerRewrites() {
-
     }
 }

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13to1_13_1/Protocol1_13To1_13_1.java

@@ -149,7 +149,7 @@ public class Protocol1_13To1_13_1 extends BackwardsProtocol {
             }
         });
 
-        //Tags
+        // Tags
         registerOutgoing(State.PLAY, 0x55, 0x55, new PacketRemapper() {
             @Override
             public void registerMap() {
@@ -159,7 +159,7 @@ public class Protocol1_13To1_13_1 extends BackwardsProtocol {
                         int blockTagsSize = wrapper.passthrough(Type.VAR_INT); // block tags
                         for (int i = 0; i < blockTagsSize; i++) {
                             wrapper.passthrough(Type.STRING);
-                            Integer[] blocks = wrapper.passthrough(Type.VAR_INT_ARRAY);
+                            int[] blocks = wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE);
                             for (int j = 0; j < blocks.length; j++) {
                                 blocks[j] = getNewBlockId(blocks[j]);
                             }
@@ -167,7 +167,7 @@ public class Protocol1_13To1_13_1 extends BackwardsProtocol {
                         int itemTagsSize = wrapper.passthrough(Type.VAR_INT); // item tags
                         for (int i = 0; i < itemTagsSize; i++) {
                             wrapper.passthrough(Type.STRING);
-                            Integer[] items = wrapper.passthrough(Type.VAR_INT_ARRAY);
+                            int[] items = wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE);
                             for (int j = 0; j < items.length; j++) {
                                 items[j] = InventoryPackets1_13_1.getOldItemId(items[j]);
                             }
@@ -207,7 +207,7 @@ public class Protocol1_13To1_13_1 extends BackwardsProtocol {
         if (blockId > 565) {
             blockId -= 5;
         } else if (blockId > 561) {
-            blockId = 0;  //TODO replace new blocks
+            blockId = 0;  // Replacements not needed
         }
 
         return blockId;

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13to1_13_1/packets/EntityPackets1_13_1.java

@@ -53,7 +53,7 @@ public class EntityPackets1_13_1 extends EntityRewriter<Protocol1_13To1_13_1> {
                         }
 
                         // Track Entity
-                        addTrackedEntity(wrapper.user(), entityId, entType);
+                        addTrackedEntity(wrapper, entityId, entType);
                     }
                 });
             }

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13to1_13_1/packets/InventoryPackets1_13_1.java

@@ -14,6 +14,9 @@ public class InventoryPackets1_13_1 {
     public static void register(Protocol protocol) {
         ItemRewriter itemRewriter = new ItemRewriter(protocol, InventoryPackets1_13_1::toClient, InventoryPackets1_13_1::toServer);
 
+        // Set cooldown
+        itemRewriter.registerSetCooldown(0x18, 0x18, InventoryPackets1_13_1::getOldItemId);
+
         // Window items packet
         itemRewriter.registerWindowItems(Type.FLAT_ITEM_ARRAY, 0x15, 0x15);
 
@@ -60,7 +63,6 @@ public class InventoryPackets1_13_1 {
         // Entity Equipment Packet
         itemRewriter.registerEntityEquipment(Type.FLAT_ITEM, 0x42, 0x42);
 
-
         // Click window packet
         itemRewriter.registerClickWindow(Type.FLAT_ITEM, 0x08, 0x08);
 

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_14_2to1_14_3/Protocol1_14_2To1_14_3.java

@@ -80,19 +80,11 @@ public class Protocol1_14_2To1_14_3 extends BackwardsProtocol {
                                     wrapper.passthrough(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT); // Ingredients
                                 }
                                 wrapper.passthrough(Type.FLAT_VAR_INT_ITEM);// Result
-                            } else if (type.equals("smelting")) {
-                                wrapper.passthrough(Type.STRING); // Group
-                                wrapper.passthrough(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT); // Ingredients
-
-                                wrapper.passthrough(Type.FLAT_VAR_INT_ITEM);// Result
-
-                                wrapper.passthrough(Type.FLOAT); // EXP
-                                wrapper.passthrough(Type.VAR_INT); // Cooking time
                             } else if (type.equals("stonecutting")) {
                                 wrapper.passthrough(Type.STRING); // Group?
                                 wrapper.passthrough(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT); // Ingredients
                                 wrapper.passthrough(Type.FLAT_VAR_INT_ITEM); // Result
-                            } else if (type.equals("blasting") || type.equals("campfire_cooking") || type.equals("smoking")) {
+                            } else if (type.equals("smelting") || type.equals("blasting") || type.equals("campfire_cooking") || type.equals("smoking")) {
                                 wrapper.passthrough(Type.STRING); // Group
                                 wrapper.passthrough(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT); // Ingredients
                                 wrapper.passthrough(Type.FLAT_VAR_INT_ITEM);

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_14_4to1_15/Protocol1_14_4To1_15.java

@@ -0,0 +1,252 @@
+package nl.matsv.viabackwards.protocol.protocol1_14_4to1_15;
+
+import nl.matsv.viabackwards.ViaBackwards;
+import nl.matsv.viabackwards.api.BackwardsProtocol;
+import nl.matsv.viabackwards.api.entities.storage.EntityTracker;
+import nl.matsv.viabackwards.protocol.protocol1_14_4to1_15.data.BackwardsMappings;
+import nl.matsv.viabackwards.protocol.protocol1_14_4to1_15.data.EntityTypeMapping;
+import nl.matsv.viabackwards.protocol.protocol1_14_4to1_15.packets.BlockItemPackets1_15;
+import nl.matsv.viabackwards.protocol.protocol1_14_4to1_15.packets.EntityPackets1_15;
+import us.myles.ViaVersion.api.PacketWrapper;
+import us.myles.ViaVersion.api.data.UserConnection;
+import us.myles.ViaVersion.api.remapper.PacketHandler;
+import us.myles.ViaVersion.api.remapper.PacketRemapper;
+import us.myles.ViaVersion.api.type.Type;
+import us.myles.ViaVersion.packets.State;
+import us.myles.ViaVersion.protocols.protocol1_15to1_14_4.data.MappingData;
+import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
+
+public class Protocol1_14_4To1_15 extends BackwardsProtocol {
+
+    private static final Integer[] A = new Integer[0];
+    private BlockItemPackets1_15 blockItemPackets;
+
+    @Override
+    protected void registerPackets() {
+        BackwardsMappings.init();
+        blockItemPackets = new BlockItemPackets1_15();
+        blockItemPackets.register(this);
+        new EntityPackets1_15().register(this);
+
+        // Entity Sound Effect
+        registerOutgoing(State.PLAY, 0x51, 0x50, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.VAR_INT); // Sound Id
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        int newId = BackwardsMappings.soundMappings.getNewId(wrapper.get(Type.VAR_INT, 0));
+                        if (newId == -1) {
+                            wrapper.cancel();
+                        } else {
+                            wrapper.set(Type.VAR_INT, 0, newId);
+                        }
+                    }
+                });
+            }
+        });
+
+        // Sound Effect
+        registerOutgoing(State.PLAY, 0x52, 0x51, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.VAR_INT); // Sound Id
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        int newId = BackwardsMappings.soundMappings.getNewId(wrapper.get(Type.VAR_INT, 0));
+                        if (newId == -1) {
+                            wrapper.cancel();
+                        } else {
+                            wrapper.set(Type.VAR_INT, 0, newId);
+                        }
+                    }
+                });
+            }
+        });
+
+        // Advancements
+        registerOutgoing(State.PLAY, 0x58, 0x57, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        wrapper.passthrough(Type.BOOLEAN); // Reset/clear
+                        int size = wrapper.passthrough(Type.VAR_INT);
+                        for (int i = 0; i < size; i++) {
+                            wrapper.passthrough(Type.STRING); // Identifier
+                            // Parent
+                            if (wrapper.passthrough(Type.BOOLEAN)) {
+                                wrapper.passthrough(Type.STRING);
+                            }
+                            // Display data
+                            if (wrapper.passthrough(Type.BOOLEAN)) {
+                                wrapper.passthrough(Type.STRING); // Title
+                                wrapper.passthrough(Type.STRING); // Description
+                                blockItemPackets.handleItemToClient(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM)); // Icon
+                                wrapper.passthrough(Type.VAR_INT); // Frame type
+                                int flags = wrapper.passthrough(Type.INT); // Flags
+                                if ((flags & 1) != 0) {
+                                    wrapper.passthrough(Type.STRING); // Background texture
+                                }
+                                wrapper.passthrough(Type.FLOAT); // X
+                                wrapper.passthrough(Type.FLOAT); // Y
+                            }
+
+                            wrapper.passthrough(Type.STRING_ARRAY); // Criteria
+                            int arrayLength = wrapper.passthrough(Type.VAR_INT);
+                            for (int array = 0; array < arrayLength; array++) {
+                                wrapper.passthrough(Type.STRING_ARRAY); // String array
+                            }
+                        }
+                    }
+                });
+            }
+        });
+
+        // Tags
+        registerOutgoing(State.PLAY, 0x5C, 0x5B, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        int blockTagsSize = wrapper.passthrough(Type.VAR_INT);
+                        for (int i = 0; i < blockTagsSize; i++) {
+                            wrapper.passthrough(Type.STRING);
+                            int[] blockIds = wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE);
+                            for (int j = 0; j < blockIds.length; j++) {
+                                int id = blockIds[j];
+                                blockIds[j] = BackwardsMappings.blockMappings.getNewId(id);
+                            }
+                        }
+
+                        int itemTagsSize = wrapper.passthrough(Type.VAR_INT);
+                        for (int i = 0; i < itemTagsSize; i++) {
+                            wrapper.passthrough(Type.STRING);
+                            int[] itemIds = wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE);
+                            for (int j = 0; j < itemIds.length; j++) {
+                                Integer oldId = MappingData.oldToNewItems.inverse().get(itemIds[j]);
+                                itemIds[j] = oldId != null ? oldId : -1;
+                            }
+                        }
+
+                        int fluidTagsSize = wrapper.passthrough(Type.VAR_INT); // fluid tags
+                        for (int i = 0; i < fluidTagsSize; i++) {
+                            wrapper.passthrough(Type.STRING);
+                            wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE);
+                        }
+
+                        int entityTagsSize = wrapper.passthrough(Type.VAR_INT);
+                        for (int i = 0; i < entityTagsSize; i++) {
+                            wrapper.passthrough(Type.STRING);
+                            int[] entityIds = wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE);
+                            for (int j = 0; j < entityIds.length; j++) {
+                                entityIds[j] = EntityTypeMapping.getOldEntityId(entityIds[j]);
+                            }
+                        }
+                    }
+                });
+            }
+        });
+
+        registerOutgoing(State.PLAY, 0x09, 0x08);
+        registerOutgoing(State.PLAY, 0x0A, 0x09);
+        registerOutgoing(State.PLAY, 0x0D, 0x0C);
+        registerOutgoing(State.PLAY, 0x0E, 0x0D);
+        registerOutgoing(State.PLAY, 0x0F, 0x0E);
+        registerOutgoing(State.PLAY, 0x11, 0x10);
+        registerOutgoing(State.PLAY, 0x12, 0x11);
+        registerOutgoing(State.PLAY, 0x13, 0x12);
+        registerOutgoing(State.PLAY, 0x14, 0x13);
+        registerOutgoing(State.PLAY, 0x16, 0x15);
+        registerOutgoing(State.PLAY, 0x19, 0x18);
+        registerOutgoing(State.PLAY, 0x1A, 0x19);
+        registerOutgoing(State.PLAY, 0x1B, 0x1A);
+        registerOutgoing(State.PLAY, 0x1C, 0x1B);
+        registerOutgoing(State.PLAY, 0x1D, 0x1C);
+        registerOutgoing(State.PLAY, 0x1E, 0x1D);
+        registerOutgoing(State.PLAY, 0x1F, 0x1E);
+        registerOutgoing(State.PLAY, 0x20, 0x1F);
+        registerOutgoing(State.PLAY, 0x21, 0x20);
+        registerOutgoing(State.PLAY, 0x25, 0x24);
+        registerOutgoing(State.PLAY, 0x27, 0x26);
+        registerOutgoing(State.PLAY, 0x29, 0x28);
+        registerOutgoing(State.PLAY, 0x2A, 0x29);
+        registerOutgoing(State.PLAY, 0x2B, 0x2A);
+        registerOutgoing(State.PLAY, 0x2C, 0x2B);
+        registerOutgoing(State.PLAY, 0x2D, 0x2C);
+        registerOutgoing(State.PLAY, 0x2E, 0x2D);
+        registerOutgoing(State.PLAY, 0x2F, 0x2E);
+        registerOutgoing(State.PLAY, 0x30, 0x2F);
+        registerOutgoing(State.PLAY, 0x31, 0x30);
+        registerOutgoing(State.PLAY, 0x32, 0x31);
+        registerOutgoing(State.PLAY, 0x33, 0x32);
+        registerOutgoing(State.PLAY, 0x34, 0x33);
+        registerOutgoing(State.PLAY, 0x35, 0x34);
+        registerOutgoing(State.PLAY, 0x36, 0x35);
+        registerOutgoing(State.PLAY, 0x37, 0x36);
+        registerOutgoing(State.PLAY, 0x39, 0x38);
+        registerOutgoing(State.PLAY, 0x3A, 0x39);
+        registerOutgoing(State.PLAY, 0x3C, 0x3B);
+        registerOutgoing(State.PLAY, 0x3D, 0x3C);
+        registerOutgoing(State.PLAY, 0x3E, 0x3D);
+        registerOutgoing(State.PLAY, 0x3F, 0x3E);
+        registerOutgoing(State.PLAY, 0x40, 0x3F);
+        registerOutgoing(State.PLAY, 0x41, 0x40);
+        registerOutgoing(State.PLAY, 0x42, 0x41);
+        registerOutgoing(State.PLAY, 0x43, 0x42);
+        registerOutgoing(State.PLAY, 0x45, 0x44);
+        registerOutgoing(State.PLAY, 0x46, 0x45);
+        registerOutgoing(State.PLAY, 0x48, 0x47);
+        registerOutgoing(State.PLAY, 0x49, 0x48);
+        registerOutgoing(State.PLAY, 0x4A, 0x49);
+        registerOutgoing(State.PLAY, 0x4B, 0x4A);
+        registerOutgoing(State.PLAY, 0x4C, 0x4B);
+        registerOutgoing(State.PLAY, 0x4D, 0x4C);
+        registerOutgoing(State.PLAY, 0x4E, 0x4D);
+        registerOutgoing(State.PLAY, 0x4F, 0x4E);
+        registerOutgoing(State.PLAY, 0x50, 0x4F);
+        registerOutgoing(State.PLAY, 0x53, 0x52);
+        registerOutgoing(State.PLAY, 0x54, 0x53);
+        registerOutgoing(State.PLAY, 0x55, 0x54);
+        registerOutgoing(State.PLAY, 0x56, 0x55);
+        registerOutgoing(State.PLAY, 0x57, 0x56);
+        registerOutgoing(State.PLAY, 0x5A, 0x59);
+        registerOutgoing(State.PLAY, 0x08, 0x5C);
+    }
+
+    public static int getNewBlockStateId(int id) {
+        int newId = BackwardsMappings.blockStateMappings.getNewId(id);
+        if (newId == -1) {
+            ViaBackwards.getPlatform().getLogger().warning("Missing 1.15 blockstate id for 1.14.4 block " + id);
+            return 0;
+        }
+        return newId;
+    }
+
+
+    public static int getNewBlockId(int id) {
+        int newId = BackwardsMappings.blockMappings.getNewId(id);
+        if (newId == -1) {
+            ViaBackwards.getPlatform().getLogger().warning("Missing 1.15 block id for 1.14.4 block " + id);
+            return id;
+        }
+        return newId;
+    }
+
+    @Override
+    public void init(UserConnection user) {
+        if (!user.has(ClientWorld.class))
+            user.put(new ClientWorld(user));
+        if (!user.has(EntityTracker.class))
+            user.put(new EntityTracker(user));
+        user.get(EntityTracker.class).initProtocol(this);
+    }
+
+    public BlockItemPackets1_15 getBlockItemPackets() {
+        return blockItemPackets;
+    }
+}

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_14_4to1_15/data/BackwardsMappings.java

@@ -0,0 +1,25 @@
+package nl.matsv.viabackwards.protocol.protocol1_14_4to1_15.data;
+
+import nl.matsv.viabackwards.ViaBackwards;
+import nl.matsv.viabackwards.api.data.VBMappingDataLoader;
+import nl.matsv.viabackwards.api.data.VBMappings;
+import us.myles.ViaVersion.api.data.MappingDataLoader;
+import us.myles.ViaVersion.api.data.Mappings;
+import us.myles.viaversion.libs.gson.JsonObject;
+
+public class BackwardsMappings {
+    public static Mappings blockStateMappings;
+    public static Mappings blockMappings;
+    public static Mappings soundMappings;
+
+    public static void init() {
+        JsonObject mapping1_14 = MappingDataLoader.loadData("mapping-1.14.json");
+        JsonObject mapping1_15 = MappingDataLoader.loadData("mapping-1.15.json");
+        JsonObject mapping1_14to1_15 = VBMappingDataLoader.loadData("mapping-1.14.4to1.15.json");
+
+        ViaBackwards.getPlatform().getLogger().info("Loading 1.15 -> 1.14.4 mappings...");
+        blockStateMappings = new VBMappings(mapping1_15.getAsJsonObject("blockstates"), mapping1_14.getAsJsonObject("blockstates"), mapping1_14to1_15.getAsJsonObject("blockstates"));
+        blockMappings = new VBMappings(mapping1_15.getAsJsonObject("blocks"), mapping1_14.getAsJsonObject("blocks"), mapping1_14to1_15.getAsJsonObject("blocks"), false);
+        soundMappings = new VBMappings(mapping1_15.getAsJsonArray("sounds"), mapping1_14.getAsJsonArray("sounds"), mapping1_14to1_15.getAsJsonObject("sounds"));
+    }
+}

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_14_4to1_15/data/EntityTypeMapping.java

@@ -0,0 +1,12 @@
+package nl.matsv.viabackwards.protocol.protocol1_14_4to1_15.data;
+
+import us.myles.ViaVersion.api.entities.Entity1_14Types;
+
+public class EntityTypeMapping {
+
+    // There's only the bee, so not much to do here
+    public static int getOldEntityId(int entityId) {
+        if (entityId == 4) return Entity1_14Types.EntityType.PUFFER_FISH.getId(); // Flying pufferfish!
+        return entityId >= 5 ? entityId - 1 : entityId;
+    }
+}

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_14_4to1_15/data/RecipeRewriter1_15.java

@@ -0,0 +1,45 @@
+package nl.matsv.viabackwards.protocol.protocol1_14_4to1_15.data;
+
+import nl.matsv.viabackwards.api.rewriters.BlockItemRewriter;
+import nl.matsv.viabackwards.protocol.protocol1_13_2to1_14.data.RecipeRewriter1_14;
+import us.myles.ViaVersion.api.PacketWrapper;
+import us.myles.ViaVersion.api.minecraft.item.Item;
+import us.myles.ViaVersion.api.type.Type;
+
+public class RecipeRewriter1_15 extends RecipeRewriter1_14 {
+
+    public RecipeRewriter1_15(final BlockItemRewriter rewriter) {
+        super(rewriter);
+    }
+
+    @Override
+    public void handle(PacketWrapper wrapper, String type) throws Exception {
+        switch (type) {
+            case "crafting_shapeless":
+                handleCraftingShapeless(wrapper);
+                break;
+            case "crafting_shaped":
+                handleCraftingShaped(wrapper);
+                break;
+            case "blasting": // new
+            case "smoking": // new
+            case "campfire_cooking": // new
+            case "smelting":
+                handleSmelting(wrapper);
+                break;
+            case "stonecutting": // new
+                handleStonecutting(wrapper);
+                break;
+        }
+    }
+
+    public void handleStonecutting(PacketWrapper wrapper) throws Exception {
+        wrapper.passthrough(Type.STRING);
+        Item[] items = wrapper.passthrough(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT); // Ingredients
+        for (Item item : items) {
+            rewriter.handleItemToClient(item);
+        }
+
+        rewriter.handleItemToClient(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM)); // Result
+    }
+}

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_14_4to1_15/packets/BlockItemPackets1_15.java

@@ -0,0 +1,306 @@
+package nl.matsv.viabackwards.protocol.protocol1_14_4to1_15.packets;
+
+import nl.matsv.viabackwards.ViaBackwards;
+import nl.matsv.viabackwards.api.rewriters.BlockItemRewriter;
+import nl.matsv.viabackwards.api.rewriters.RecipeRewriter;
+import nl.matsv.viabackwards.protocol.protocol1_14_4to1_15.Protocol1_14_4To1_15;
+import nl.matsv.viabackwards.protocol.protocol1_14_4to1_15.data.RecipeRewriter1_15;
+import us.myles.ViaVersion.api.PacketWrapper;
+import us.myles.ViaVersion.api.minecraft.BlockChangeRecord;
+import us.myles.ViaVersion.api.minecraft.chunks.Chunk;
+import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
+import us.myles.ViaVersion.api.minecraft.item.Item;
+import us.myles.ViaVersion.api.remapper.PacketHandler;
+import us.myles.ViaVersion.api.remapper.PacketRemapper;
+import us.myles.ViaVersion.api.rewriters.ItemRewriter;
+import us.myles.ViaVersion.api.type.Type;
+import us.myles.ViaVersion.packets.State;
+import us.myles.ViaVersion.protocols.protocol1_14to1_13_2.types.Chunk1_14Type;
+import us.myles.ViaVersion.protocols.protocol1_15to1_14_4.data.MappingData;
+import us.myles.ViaVersion.protocols.protocol1_15to1_14_4.types.Chunk1_15Type;
+import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
+
+public class BlockItemPackets1_15 extends BlockItemRewriter<Protocol1_14_4To1_15> {
+
+    @Override
+    protected void registerPackets(Protocol1_14_4To1_15 protocol) {
+        ItemRewriter itemRewriter = new ItemRewriter(protocol, this::handleItemToClient, this::handleItemToServer);
+
+        // Set cooldown
+        itemRewriter.registerSetCooldown(0x18, 0x17, BlockItemPackets1_15::getOldItemId);
+
+        // Window items packet
+        itemRewriter.registerWindowItems(Type.FLAT_VAR_INT_ITEM_ARRAY, 0x15, 0x14);
+
+        // Set slot packet
+        itemRewriter.registerSetSlot(Type.FLAT_VAR_INT_ITEM, 0x17, 0x16);
+
+        // Trade list
+        protocol.out(State.PLAY, 0x28, 0x27, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        wrapper.passthrough(Type.VAR_INT);
+                        int size = wrapper.passthrough(Type.UNSIGNED_BYTE);
+                        for (int i = 0; i < size; i++) {
+                            Item input = wrapper.passthrough(Type.FLAT_VAR_INT_ITEM);
+                            handleItemToClient(input);
+
+                            Item output = wrapper.passthrough(Type.FLAT_VAR_INT_ITEM);
+                            handleItemToClient(output);
+
+                            if (wrapper.passthrough(Type.BOOLEAN)) { // Has second item
+                                // Second Item
+                                Item second = wrapper.passthrough(Type.FLAT_VAR_INT_ITEM);
+                                handleItemToClient(second);
+                            }
+
+                            wrapper.passthrough(Type.BOOLEAN);
+                            wrapper.passthrough(Type.INT);
+                            wrapper.passthrough(Type.INT);
+
+                            wrapper.passthrough(Type.INT);
+                            wrapper.passthrough(Type.INT);
+                            wrapper.passthrough(Type.FLOAT);
+                        }
+
+                        wrapper.passthrough(Type.VAR_INT);
+                        wrapper.passthrough(Type.VAR_INT);
+                        wrapper.passthrough(Type.BOOLEAN);
+                    }
+                });
+            }
+        });
+
+        // Entity Equipment Packet
+        itemRewriter.registerEntityEquipment(Type.FLAT_VAR_INT_ITEM, 0x47, 0x46);
+
+        // Declare Recipes
+        protocol.registerOutgoing(State.PLAY, 0x5B, 0x5A, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                handler(new PacketHandler() {
+                    private final RecipeRewriter recipeHandler = new RecipeRewriter1_15(BlockItemPackets1_15.this);
+
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        int size = wrapper.passthrough(Type.VAR_INT);
+                        for (int i = 0; i < size; i++) {
+                            String type = wrapper.passthrough(Type.STRING).replace("minecraft:", "");
+                            String id = wrapper.passthrough(Type.STRING); // Recipe Identifier
+                            recipeHandler.handle(wrapper, type);
+                        }
+                    }
+                });
+            }
+        });
+
+        // Incoming packets
+
+        // Click window packet
+        itemRewriter.registerClickWindow(Type.FLAT_VAR_INT_ITEM, 0x09, 0x09);
+
+        // Creative Inventory Action
+        itemRewriter.registerCreativeInvAction(Type.FLAT_VAR_INT_ITEM, 0x26, 0x26);
+
+        // Block Action
+        protocol.registerOutgoing(State.PLAY, 0x0B, 0x0A, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.POSITION1_14); // Location
+                map(Type.UNSIGNED_BYTE); // Action id
+                map(Type.UNSIGNED_BYTE); // Action param
+                map(Type.VAR_INT); // Block id - /!\ NOT BLOCK STATE
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        wrapper.set(Type.VAR_INT, 0, Protocol1_14_4To1_15.getNewBlockId(wrapper.get(Type.VAR_INT, 0)));
+                    }
+                });
+            }
+        });
+
+        // Block Change
+        protocol.registerOutgoing(State.PLAY, 0x0C, 0x0B, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.POSITION1_14);
+                map(Type.VAR_INT);
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        int id = wrapper.get(Type.VAR_INT, 0);
+                        wrapper.set(Type.VAR_INT, 0, Protocol1_14_4To1_15.getNewBlockStateId(id));
+                    }
+                });
+            }
+        });
+
+        // Multi Block Change
+        protocol.registerOutgoing(State.PLAY, 0x10, 0x0F, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.INT); // 0 - Chunk X
+                map(Type.INT); // 1 - Chunk Z
+                map(Type.BLOCK_CHANGE_RECORD_ARRAY); // 2 - Records
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        for (BlockChangeRecord record : wrapper.get(Type.BLOCK_CHANGE_RECORD_ARRAY, 0)) {
+                            int id = record.getBlockId();
+                            record.setBlockId(Protocol1_14_4To1_15.getNewBlockStateId(id));
+                        }
+                    }
+                });
+            }
+        });
+
+        // Chunk
+        protocol.registerOutgoing(State.PLAY, 0x22, 0x21, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
+                        Chunk chunk = wrapper.read(new Chunk1_15Type(clientWorld));
+                        wrapper.write(new Chunk1_14Type(clientWorld), chunk);
+
+                        if (chunk.isGroundUp()) {
+                            int[] biomeData = chunk.getBiomeData();
+                            int[] newBiomeData = new int[256];
+                            for (int i = 0; i < 4; ++i) {
+                                for (int j = 0; j < 4; ++j) {
+                                    int x = j << 2;
+                                    int z = i << 2;
+                                    int newIndex = z << 4 | x;
+                                    int oldIndex = i << 2 | j;
+
+                                    int biome = biomeData[oldIndex];
+                                    for (int k = 0; k < 4; k++) {
+                                        int offX = newIndex + (k << 4);
+                                        for (int l = 0; l < 4; l++) {
+                                            newBiomeData[offX + l] = biome;
+                                        }
+                                    }
+                                }
+                            }
+
+                            chunk.setBiomeData(newBiomeData);
+                        }
+
+                        for (int i = 0; i < chunk.getSections().length; i++) {
+                            ChunkSection section = chunk.getSections()[i];
+                            if (section == null) continue;
+                            for (int j = 0; j < section.getPaletteSize(); j++) {
+                                int old = section.getPaletteEntry(j);
+                                int newId = Protocol1_14_4To1_15.getNewBlockStateId(old);
+                                section.setPaletteEntry(j, newId);
+                            }
+                        }
+                    }
+                });
+            }
+        });
+
+        // Effect packet
+        protocol.registerOutgoing(State.PLAY, 0x23, 0x22, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.INT); // Effect Id
+                map(Type.POSITION1_14); // Location
+                map(Type.INT); // Data
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        int id = wrapper.get(Type.INT, 0);
+                        int data = wrapper.get(Type.INT, 1);
+                        if (id == 1010) { // Play record
+                            wrapper.set(Type.INT, 1, BlockItemPackets1_15.getOldItemId(data));
+                        } else if (id == 2001) { // Block break + block break sound
+                            wrapper.set(Type.INT, 1, Protocol1_14_4To1_15.getNewBlockStateId(data));
+                        }
+                    }
+                });
+            }
+        });
+
+        // Spawn particle
+        protocol.registerOutgoing(State.PLAY, 0x24, 0x23, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.INT); // 0 - Particle ID
+                map(Type.BOOLEAN); // 1 - Long Distance
+                map(Type.DOUBLE, Type.FLOAT); // 2 - X
+                map(Type.DOUBLE, Type.FLOAT); // 3 - Y
+                map(Type.DOUBLE, Type.FLOAT); // 4 - Z
+                map(Type.FLOAT); // 5 - Offset X
+                map(Type.FLOAT); // 6 - Offset Y
+                map(Type.FLOAT); // 7 - Offset Z
+                map(Type.FLOAT); // 8 - Particle Data
+                map(Type.INT); // 9 - Particle Count
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        int id = wrapper.get(Type.INT, 0);
+                        if (id == 3 || id == 23) {
+                            int data = wrapper.passthrough(Type.VAR_INT);
+                            wrapper.set(Type.VAR_INT, 0, Protocol1_14_4To1_15.getNewBlockStateId(data));
+                        } else if (id == 32) {
+                            Item item = handleItemToClient(wrapper.read(Type.FLAT_VAR_INT_ITEM));
+                            wrapper.write(Type.FLAT_VAR_INT_ITEM, item);
+                        }
+                    }
+                });
+            }
+        });
+    }
+
+    @Override
+    protected void registerRewrites() {
+        rewrite(881).repItem(new Item(824, (byte) 1, (short) -1, getNamedTag("1.15 Honey Bottle")));
+        rewrite(878).repItem(new Item(323, (byte) 1, (short) -1, getNamedTag("1.15 Honeycomb")));
+        rewrite(883).repItem(new Item(455, (byte) 1, (short) -1, getNamedTag("1.15 Honeycomb Block")));
+        rewrite(879).repItem(new Item(385, (byte) 1, (short) -1, getNamedTag("1.15 Bee Nest")));
+        rewrite(880).repItem(new Item(865, (byte) 1, (short) -1, getNamedTag("1.15 Beehive")));
+        rewrite(882).repItem(new Item(321, (byte) 1, (short) -1, getNamedTag("1.15 Honey Block")));
+        rewrite(698).repItem(new Item(722, (byte) 1, (short) -1, getNamedTag("1.15 Bee Spawn Egg")));
+    }
+
+    @Override
+    public Item handleItemToClient(Item i) {
+        Item item = super.handleItemToClient(i);
+        if (item == null) return null;
+        item.setIdentifier(getOldItemId(item.getIdentifier()));
+        return item;
+    }
+
+    @Override
+    public Item handleItemToServer(Item item) {
+        if (item == null) return null;
+        item.setIdentifier(getNewItemId(item.getIdentifier()));
+        return super.handleItemToServer(item);
+    }
+
+
+    public static int getNewItemId(int id) {
+        Integer newId = MappingData.oldToNewItems.get(id);
+        if (newId == null) {
+            ViaBackwards.getPlatform().getLogger().warning("Missing 1.15 item for 1.14.4 item " + id);
+            return 1;
+        }
+        return newId;
+    }
+
+
+    public static int getOldItemId(int id) {
+        Integer oldId = MappingData.oldToNewItems.inverse().get(id);
+        if (oldId == null) {
+            ViaBackwards.getPlatform().getLogger().warning("Missing 1.14.4 item for 1.15 item " + id);
+            return 1;
+        }
+        return oldId;
+    }
+}

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_14_4to1_15/packets/EntityPackets1_15.java

@@ -0,0 +1,271 @@
+package nl.matsv.viabackwards.protocol.protocol1_14_4to1_15.packets;
+
+import nl.matsv.viabackwards.api.exceptions.RemovedValueException;
+import nl.matsv.viabackwards.api.rewriters.EntityRewriter;
+import nl.matsv.viabackwards.protocol.protocol1_14_4to1_15.Protocol1_14_4To1_15;
+import nl.matsv.viabackwards.protocol.protocol1_14_4to1_15.data.EntityTypeMapping;
+import us.myles.ViaVersion.api.PacketWrapper;
+import us.myles.ViaVersion.api.entities.Entity1_14Types;
+import us.myles.ViaVersion.api.entities.Entity1_15Types;
+import us.myles.ViaVersion.api.entities.EntityType;
+import us.myles.ViaVersion.api.minecraft.item.Item;
+import us.myles.ViaVersion.api.minecraft.metadata.MetaType;
+import us.myles.ViaVersion.api.minecraft.metadata.Metadata;
+import us.myles.ViaVersion.api.minecraft.metadata.types.MetaType1_14;
+import us.myles.ViaVersion.api.remapper.PacketHandler;
+import us.myles.ViaVersion.api.remapper.PacketRemapper;
+import us.myles.ViaVersion.api.type.Type;
+import us.myles.ViaVersion.api.type.types.version.Types1_14;
+import us.myles.ViaVersion.packets.State;
+import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
+
+public class EntityPackets1_15 extends EntityRewriter<Protocol1_14_4To1_15> {
+
+    @Override
+    protected void registerPackets(Protocol1_14_4To1_15 protocol) {
+        // Spawn Object
+        protocol.registerOutgoing(State.PLAY, 0x00, 0x00, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.VAR_INT); // 0 - Entity id
+                map(Type.UUID); // 1 - UUID
+                map(Type.VAR_INT); // 2 - Type
+                map(Type.DOUBLE); // 3 - X
+                map(Type.DOUBLE); // 4 - Y
+                map(Type.DOUBLE); // 5 - Z
+                map(Type.BYTE); // 6 - Pitch
+                map(Type.BYTE); // 7 - Yaw
+                map(Type.INT); // 8 - Data
+
+                handler(getTrackerHandler());
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        int typeId = wrapper.get(Type.VAR_INT, 1);
+                        Entity1_14Types.EntityType entityType = Entity1_14Types.getTypeFromId(getOldEntityId(typeId));
+                        wrapper.set(Type.VAR_INT, 1, entityType.getId());
+
+                        if (entityType == Entity1_14Types.EntityType.FALLING_BLOCK) {
+                            int blockState = wrapper.get(Type.INT, 0);
+                            int combined = Protocol1_14_4To1_15.getNewBlockStateId(blockState);
+                            wrapper.set(Type.INT, 0, combined);
+                        }
+                    }
+                });
+            }
+        });
+
+        // Spawn mob packet
+        protocol.registerOutgoing(State.PLAY, 0x03, 0x03, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.VAR_INT); // 0 - Entity ID
+                map(Type.UUID); // 1 - Entity UUID
+                map(Type.VAR_INT); // 2 - Entity Type
+                map(Type.DOUBLE); // 3 - X
+                map(Type.DOUBLE); // 4 - Y
+                map(Type.DOUBLE); // 5 - Z
+                map(Type.BYTE); // 6 - Yaw
+                map(Type.BYTE); // 7 - Pitch
+                map(Type.BYTE); // 8 - Head Pitch
+                map(Type.SHORT); // 9 - Velocity X
+                map(Type.SHORT); // 10 - Velocity Y
+                map(Type.SHORT); // 11 - Velocity Z
+                create(wrapper -> wrapper.write(Type.UNSIGNED_BYTE, (short) 0xff)); // Metadata is no longer sent in 1.15, so we have to send an empty one
+
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        int type = wrapper.get(Type.VAR_INT, 1);
+                        Entity1_15Types.EntityType entityType = Entity1_15Types.getTypeFromId(type);
+                        addTrackedEntity(wrapper, wrapper.get(Type.VAR_INT, 0), entityType);
+                        wrapper.set(Type.VAR_INT, 1, EntityTypeMapping.getOldEntityId(type));
+                    }
+                });
+            }
+        });
+
+        // Respawn
+        protocol.registerOutgoing(State.PLAY, 0x3B, 0x3A, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.INT);
+                map(Type.LONG, Type.NOTHING); // Seed
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
+                        clientWorld.setEnvironment(wrapper.get(Type.INT, 0));
+                    }
+                });
+            }
+        });
+
+        // Join Game
+        protocol.registerOutgoing(State.PLAY, 0x26, 0x25, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.INT); // 0 - Entity ID
+                map(Type.UNSIGNED_BYTE); // 1 - Gamemode
+                map(Type.INT); // 2 - Dimension
+
+                map(Type.LONG, Type.NOTHING); // Seed
+
+                map(Type.UNSIGNED_BYTE); // 3 - Max Players
+                map(Type.STRING); // 4 - Level Type
+                map(Type.VAR_INT); // 5 - View Distance
+                map(Type.BOOLEAN); // 6 - Reduce Debug Info
+
+                map(Type.BOOLEAN, Type.NOTHING); // Show death screen
+
+                handler(getTrackerHandler(Entity1_15Types.EntityType.PLAYER, Type.INT));
+                handler(getDimensionHandler(1));
+            }
+        });
+
+        // Edit Book
+        protocol.registerIncoming(State.PLAY, 0x0D, 0x0C, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        getProtocol().getBlockItemPackets().handleItemToServer(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM));
+                    }
+                });
+            }
+        });
+
+        // Spawn Experience Orb
+        registerExtraTracker(0x01, Entity1_15Types.EntityType.XP_ORB);
+
+        // Spawn Global Object
+        registerExtraTracker(0x02, Entity1_15Types.EntityType.LIGHTNING_BOLT);
+
+        // Spawn painting
+        registerExtraTracker(0x04, Entity1_15Types.EntityType.PAINTING);
+
+        // Spawn player packet
+        protocol.registerOutgoing(State.PLAY, 0x05, 0x05, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.VAR_INT); // 0 - Entity ID
+                map(Type.UUID); // 1 - Player UUID
+                map(Type.DOUBLE); // 2 - X
+                map(Type.DOUBLE); // 3 - Y
+                map(Type.DOUBLE); // 4 - Z
+                map(Type.BYTE); // 5 - Yaw
+                map(Type.BYTE); // 6 - Pitch
+                create(wrapper -> wrapper.write(Type.UNSIGNED_BYTE, (short) 0xff)); // Metadata is no longer sent in 1.15, so we have to send an empty one
+
+                handler(getTrackerHandler(Entity1_15Types.EntityType.PLAYER, Type.VAR_INT));
+            }
+        });
+
+        // Destroy entities
+        registerEntityDestroy(0x38, 0x37);
+
+        // Entity Metadata packet
+        register1_15MetadataRewriter(0x44, 0x43, Types1_14.METADATA_LIST);
+
+        // Attributes (get rid of generic.flyingSpeed for the Bee remap)
+        protocol.registerOutgoing(State.PLAY, 0x59, 0x58, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.VAR_INT);
+                map(Type.INT);
+                handler(new PacketHandler() {
+                    @Override
+                    public void handle(PacketWrapper wrapper) throws Exception {
+                        int entityId = wrapper.get(Type.VAR_INT, 0);
+                        EntityType entityType = getEntityType(wrapper.user(), entityId);
+                        if (entityType != Entity1_15Types.EntityType.BEE) return;
+
+                        int size = wrapper.get(Type.INT, 0);
+                        for (int i = 0; i < size; i++) {
+                            String key = wrapper.read(Type.STRING);
+                            if (key.equals("generic.flyingSpeed")) {
+                                size--;
+                                wrapper.read(Type.DOUBLE);
+                                int modSize = wrapper.read(Type.VAR_INT);
+                                for (int j = 0; j < modSize; j++) {
+                                    wrapper.read(Type.UUID);
+                                    wrapper.read(Type.DOUBLE);
+                                    wrapper.read(Type.BYTE);
+                                }
+                            } else {
+                                wrapper.write(Type.STRING, key);
+                                wrapper.passthrough(Type.DOUBLE);
+                                int modSize = wrapper.passthrough(Type.VAR_INT);
+                                for (int j = 0; j < modSize; j++) {
+                                    wrapper.passthrough(Type.UUID);
+                                    wrapper.passthrough(Type.DOUBLE);
+                                    wrapper.passthrough(Type.BYTE);
+                                }
+                            }
+                        }
+                        wrapper.set(Type.INT, 0, size);
+                    }
+                });
+            }
+        });
+    }
+
+    @Override
+    protected void registerRewrites() {
+        setDisplayNameJson(true);
+        setDisplayNameMetaType(MetaType1_14.OptChat);
+
+        registerMetaHandler().handle(e -> {
+            Metadata meta = e.getData();
+            MetaType type = meta.getMetaType();
+            if (type == MetaType1_14.Slot) {
+                Item item = (Item) meta.getValue();
+                meta.setValue(getProtocol().getBlockItemPackets().handleItemToClient(item));
+            } else if (type == MetaType1_14.BlockID) {
+                int blockstate = (int) meta.getValue();
+                meta.setValue(Protocol1_14_4To1_15.getNewBlockStateId(blockstate));
+            }
+            return meta;
+        });
+
+        registerMetaHandler().filter(Entity1_15Types.EntityType.LIVINGENTITY, true).handle(e -> {
+            int index = e.getIndex();
+            if (index == 12) {
+                throw RemovedValueException.EX;
+            } else if (index > 12) {
+                e.getData().setId(index - 1);
+            }
+            return e.getData();
+        });
+
+        registerMetaHandler().filter(Entity1_15Types.EntityType.BEE, 15).removed();
+        registerMetaHandler().filter(Entity1_15Types.EntityType.BEE, 16).removed();
+
+        regEntType(Entity1_15Types.EntityType.BEE, Entity1_15Types.EntityType.PUFFER_FISH).mobName("Bee").spawnMetadata(storage -> {
+            storage.add(new Metadata(14, MetaType1_14.Boolean, false));
+            storage.add(new Metadata(15, MetaType1_14.VarInt, 2));
+        });
+
+        registerMetaHandler().filter(Entity1_15Types.EntityType.ENDERMAN, 16).removed();
+        registerMetaHandler().filter(Entity1_15Types.EntityType.TRIDENT, 10).removed();
+
+        registerMetaHandler().filter(Entity1_15Types.EntityType.WOLF).handle(e -> {
+            int index = e.getIndex();
+            if (index >= 17) {
+                e.getData().setId(index + 1); // redundant health removed in 1.15
+            }
+            return e.getData();
+        });
+    }
+
+    @Override
+    protected EntityType getTypeFromId(int typeId) {
+        return Entity1_15Types.getTypeFromId(typeId);
+    }
+
+    @Override
+    protected int getOldEntityId(final int newId) {
+        return EntityTypeMapping.getOldEntityId(newId);
+    }
+}

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_14to1_14_1/packets/EntityPackets1_14_1.java

@@ -60,7 +60,7 @@ public class EntityPackets1_14_1 extends EntityRewriter<Protocol1_14To1_14_1> {
                         int type = wrapper.get(Type.VAR_INT, 1);
 
                         // Register Type ID
-                        addTrackedEntity(wrapper.user(), entityId, Entity1_14Types.getTypeFromId(type));
+                        addTrackedEntity(wrapper, entityId, Entity1_14Types.getTypeFromId(type));
 
                         MetaStorage storage = new MetaStorage(wrapper.get(Types1_14.METADATA_LIST, 0));
                         handleMeta(wrapper.user(), entityId, storage);

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_9_4to1_10/packets/BlockItemPackets1_10.java

@@ -29,6 +29,7 @@ import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
 public class BlockItemPackets1_10 extends BlockItemRewriter<Protocol1_9_4To1_10> {
 
     protected void registerPackets(Protocol1_9_4To1_10 protocol) {
+        jsonNameFormat = false;
         ItemRewriter itemRewriter = new ItemRewriter(protocol, this::handleItemToClient, this::handleItemToServer);
 
         // Set slot packet
@@ -176,11 +177,11 @@ public class BlockItemPackets1_10 extends BlockItemRewriter<Protocol1_9_4To1_10>
 
     @Override
     protected void registerRewrites() {
-        rewrite(255).repItem(new Item((short) 166, (byte) 1, (short) 0, getNamedTag("1.10 Structure Block"))); // Structure block only item since the structure block is in 1.9
+        rewrite(255).repItem(new Item(166, (byte) 1, (short) 0, getNamedTag("1.10 Structure Block"))); // Structure block only item since the structure block is in 1.9
-        rewrite(217).repItem(new Item((short) 287, (byte) 1, (short) 0, getNamedTag("1.10 Structure Void"))).repBlock(new Block(287, 0)); // Structure void to string
+        rewrite(217).repItem(new Item(287, (byte) 1, (short) 0, getNamedTag("1.10 Structure Void"))).repBlock(new Block(287, 0)); // Structure void to string
-        rewrite(213).repItem(new Item((short) 159, (byte) 1, (short) 1, getNamedTag("1.10 Magma Block"))).repBlock(new Block(159, 1)); // Magma block to orange clay
+        rewrite(213).repItem(new Item(159, (byte) 1, (short) 1, getNamedTag("1.10 Magma Block"))).repBlock(new Block(159, 1)); // Magma block to orange clay
-        rewrite(214).repItem(new Item((short) 159, (byte) 1, (short) 14, getNamedTag("1.10 Nether Wart Block"))).repBlock(new Block(159, 14)); // Nether wart block to red clay
+        rewrite(214).repItem(new Item(159, (byte) 1, (short) 14, getNamedTag("1.10 Nether Wart Block"))).repBlock(new Block(159, 14)); // Nether wart block to red clay
-        rewrite(215).repItem(new Item((short) 112, (byte) 1, (short) 0, getNamedTag("1.10 Red Nether Bricks"))).repBlock(new Block(112, 0)); // Red nether brick to nether brick
+        rewrite(215).repItem(new Item(112, (byte) 1, (short) 0, getNamedTag("1.10 Red Nether Bricks"))).repBlock(new Block(112, 0)); // Red nether brick to nether brick
-        rewrite(216).repItem(new Item((short) 155, (byte) 1, (short) 0, getNamedTag("1.10 Bone Block"))).repBlock(new Block(155, 0)); // Bone block to quartz
+        rewrite(216).repItem(new Item(155, (byte) 1, (short) 0, getNamedTag("1.10 Bone Block"))).repBlock(new Block(155, 0)); // Bone block to quartz
     }
 }

core/src/main/resources/assets/viabackwards/data/mapping-1.12.2to1.13.json

@@ -343,7 +343,6 @@
     "minecraft:black_bed[facing=east,occupied=false,part=foot]": "minecraft:red_bed[facing=east,occupied=false,part=foot]",
     "minecraft:seagrass": "minecraft:grass",
     "minecraft:tall_seagrass[half=upper]": "id:2809",
-    //2809 / 175:9 is the upper half of every flower in 1.12.2, the lower half determines the type
     "minecraft:tall_seagrass[half=lower]": "minecraft:tall_grass[half=lower]",
     "minecraft:sunflower[half=upper]": "id:2809",
     "minecraft:lilac[half=upper]": "id:2809",
@@ -5436,5 +5435,120 @@
     "minecraft:dragon_head[rotation=13]": "id:2305",
     "minecraft:dragon_head[rotation=14]": "id:2305",
     "minecraft:dragon_head[rotation=15]": "id:2305"
+  },
+  "sounds": {
+    "ambient.underwater.enter": "block.water.ambient",
+    "ambient.underwater.exit": "block.water.ambient",
+    "ambient.underwater.loop": "entity.boat.paddle_water",
+    "ambient.underwater.loop.additions": "block.water.ambient",
+    "ambient.underwater.loop.additions.rare": "entity.elder_guardian.death",
+    "ambient.underwater.loop.additions.ultra_rare": "entity.elder_guardian.death",
+    "block.beacon.activate": "entity.elder_guardian.curse",
+    "block.beacon.ambient": "entity.elder_guardian.ambient",
+    "block.beacon.deactivate": "entity.elder_guardian.death",
+    "block.beacon.power_select": "entity.elder_guardian.hurt_land",
+    "block.bubble_column.bubble_pop": "block.lava.pop",
+    "block.bubble_column.upwards_ambient": "block.water.ambient",
+    "block.bubble_column.upwards_inside": "block.water.ambient",
+    "block.bubble_column.whirlpool_ambient": "block.water.ambient",
+    "block.bubble_column.whirlpool_inside": "block.water.ambient",
+    "block.conduit.activate": "block.chorus_flower.grow",
+    "block.conduit.ambient": "block.enchantment_table.use",
+    "block.conduit.ambient.short": "block.enchantment_table.use",
+    "block.conduit.attack.target": "block.shulker_box.open",
+    "block.conduit.deactivate": "enchant.thorns.hit",
+    "block.wet_grass.break": "block.grass.break",
+    "block.wet_grass.fall": "block.grass.fall",
+    "block.wet_grass.hit": "block.grass.hit",
+    "block.wet_grass.place": "block.grass.place",
+    "block.wet_grass.step": "block.grass.step",
+    "block.coral_block.break": "block.metal.break",
+    "block.coral_block.fall": "block.metal.fall",
+    "block.coral_block.hit": "block.metal.hit",
+    "block.coral_block.place": "block.metal.place",
+    "block.coral_block.step": "block.metal.step",
+    "block.pumpkin.carve": "block.gravel.break",
+    "entity.cod.ambient": "entity.elder_guardian.flop",
+    "entity.cod.death": "entity.elder_guardian.flop",
+    "entity.cod.flop": "entity.elder_guardian.flop",
+    "entity.cod.hurt": "entity.elder_guardian.hurt_land",
+    "entity.dolphin.ambient": "entity.bat.ambient",
+    "entity.dolphin.ambient_water": "entity.fishing_bobber.splash",
+    "entity.dolphin.attack": "entity.bat.hurt",
+    "entity.dolphin.death": "entity.bat.death",
+    "entity.dolphin.eat": "entity.parrot.eat",
+    "entity.dolphin.hurt": "entity.bat.hurt",
+    "entity.dolphin.jump": "entity.fishing_bobber.splash",
+    "entity.dolphin.play": "entity.fishing_bobber.splash",
+    "entity.dolphin.splash": "entity.fishing_bobber.splash",
+    "entity.dolphin.swim": "entity.boat.paddle_water",
+    "entity.drowned.ambient": "entity.zombie.ambient",
+    "entity.drowned.ambient_water": "entity.zombie.ambient",
+    "entity.drowned.death": "entity.zombie.death",
+    "entity.drowned.death_water": "entity.zombie.death",
+    "entity.drowned.hurt": "entity.zombie.hurt",
+    "entity.drowned.hurt_water": "entity.zombie.hurt",
+    "entity.drowned.shoot": "entity.ender_eye.launch",
+    "entity.drowned.step": "entity.zombie.step",
+    "entity.drowned.swim": "entity.boat.paddle_water",
+    "entity.fish.swim": "entity.boat.paddle_water",
+    "entity.husk.converted_to_zombie": "entity.zombie_villager.cure",
+    "entity.parrot.imitate.drowned": "entity.zombie.ambient",
+    "entity.parrot.imitate.phantom": "entity.blaze.ambient",
+    "entity.phantom.ambient": "entity.blaze.ambient",
+    "entity.phantom.bite": "entity.blaze.shoot",
+    "entity.phantom.death": "entity.blaze.death",
+    "entity.phantom.flap": "entity.bat.loop",
+    "entity.phantom.hurt": "entity.blaze.hurt",
+    "entity.phantom.swoop": "entity.blaze.ambient",
+    "entity.player.splash.high_speed": "entity.fishing_bobber.splash",
+    "entity.puffer_fish.ambient": "entity.guardian.flop",
+    "entity.puffer_fish.blow_out": "block.redstone_torch.burnout",
+    "entity.puffer_fish.blow_up": "block.lava.extinguish",
+    "entity.puffer_fish.death": "enchant.thorns.hit",
+    "entity.puffer_fish.flop": "entity.guardian.flop",
+    "entity.puffer_fish.hurt": "entity.guardian.hurt_land",
+    "entity.puffer_fish.sting": "entity.blaze.hurt",
+    "entity.salmon.ambient": "entity.guardian.flop",
+    "entity.salmon.death": "entity.guardian.hurt_land",
+    "entity.salmon.flop": "entity.guardian.flop",
+    "entity.salmon.hurt": "entity.guardian.flop",
+    "entity.skeleton_horse.swim": "entity.generic.swim",
+    "entity.skeleton_horse.ambient_water": "entity.horse.ambient",
+    "entity.skeleton_horse.gallop_water": "entity.horse.gallop",
+    "entity.skeleton_horse.jump_water": "entity.horse.jump",
+    "entity.skeleton_horse.step_water": "entity.horse.step",
+    "entity.squid.squirt": "entity.squid.ambient",
+    "entity.tropical_fish.ambient": "entity.guardian.flop",
+    "entity.tropical_fish.death": "entity.slime.death",
+    "entity.tropical_fish.flop": "entity.guardian.flop",
+    "entity.tropical_fish.hurt": "entity.slime.hurt",
+    "entity.turtle.ambient_land": "block.sand.hit",
+    "entity.turtle.death": "entity.endermite.death",
+    "entity.turtle.death_baby": "entity.endermite.death",
+    "entity.turtle.egg_break": "entity.chicken.egg",
+    "entity.turtle.egg_crack": "entity.chicken.egg",
+    "entity.turtle.egg_hatch": "entity.chicken.egg",
+    "entity.turtle.hurt": "entity.chicken.egg",
+    "entity.turtle.hurt_baby": "entity.endermite.hurt",
+    "entity.turtle.lay_egg": "entity.chicken.egg",
+    "entity.turtle.shamble": "block.sand.step",
+    "entity.turtle.shamble_baby": "block.sand.step",
+    "entity.turtle.swim": "item.bucket.empty",
+    "entity.zombie.converted_to_drowned": "item.bucket.empty",
+    "entity.zombie.destroy_egg": "entity.chicken.egg",
+    "item.armor.equip_turtle": "item.armor.equip_generic",
+    "item.axe.strip": "block.wood.break",
+    "item.bucket.empty_fish": "item.bucket.empty",
+    "item.bucket.fill_fish": "item.bottle.fill",
+    "item.trident.hit": "entity.stray.step",
+    "item.trident.hit_ground": "entity.arrow.hit",
+    "item.trident.return": "item.armor.equip_diamond",
+    "item.trident.riptide_1": "entity.arrow.shoot",
+    "item.trident.riptide_2": "entity.arrow.shoot",
+    "item.trident.riptide_3": "entity.arrow.shoot",
+    "item.trident.throw": "entity.skeleton.shoot",
+    "item.trident.thunder": "entity.lightning_bolt.thunder",
+    "music.under_water": "music.creative"
   }
 }

core/src/main/resources/assets/viabackwards/data/mapping-1.13.2to1.14.json

@@ -2658,5 +2658,140 @@
     "minecraft:jigsaw[facing=west]": "minecraft:structure_block[mode=corner]",
     "minecraft:jigsaw[facing=up]": "minecraft:structure_block[mode=corner]",
     "minecraft:jigsaw[facing=down]": "minecraft:structure_block[mode=corner]"
+  },
+  "sounds": {
+    "block.bamboo.break": "block.grass.break",
+    "block.bamboo.fall": "block.grass.fall",
+    "block.bamboo.hit": "block.grass.hit",
+    "block.bamboo.place": "block.grass.place",
+    "block.bamboo.step": "block.grass.step",
+    "block.bamboo_sapling.break": "block.grass.break",
+    "block.bamboo_sapling.hit": "block.sand.break",
+    "block.bamboo_sapling.place": "block.gravel.place",
+    "block.barrel.close": "block.wooden_trapdoor.close",
+    "block.barrel.open": "block.wooden_trapdoor.open",
+    "block.bell.use": "block.anvil.land",
+    "block.bell.resonate": "block.enchantment_table.use",
+    "item.book.page_turn": "",
+    "item.book.put": "block.wood.step",
+    "block.blastfurnace.fire_crackle": "block.furnace.fire_crackle",
+    "block.campfire.crackle": "block.fire.ambient",
+    "entity.cat.stray_ambient": "entity.cat.ambient",
+    "entity.cat.eat": "entity.cod.flop",
+    "entity.cat.beg_for_food": "entity.cat.ambient",
+    "block.composter.empty": "block.grass.break",
+    "block.composter.fill": "block.gravel.break",
+    "block.composter.fill_success": "block.gravel.break",
+    "block.composter.ready": "block.gravel.break",
+    "block.crop.break": "block.grass.break",
+    "item.crop.plant": "block.grass.place",
+    "item.crossbow.hit": "entity.arrow.hit",
+    "item.crossbow.loading_end": "block.tripwire.detach",
+    "item.crossbow.loading_middle": "block.comparator.click",
+    "item.crossbow.loading_start": "block.comparator.click",
+    "item.crossbow.quick_charge_1": "block.comparator.click",
+    "item.crossbow.quick_charge_2": "block.comparator.click",
+    "item.crossbow.quick_charge_3": "block.comparator.click",
+    "item.crossbow.shoot": "entity.arrow.shoot",
+    "entity.evoker.celebrate": "entity.villager.yes",
+    "entity.fox.aggro": "entity.wolf.growl",
+    "entity.fox.ambient": "entity.wolf.ambient",
+    "entity.fox.bite": "entity.dolphin.hurt",
+    "entity.fox.death": "entity.wolf.death",
+    "entity.fox.eat": "entity.dolphin.eat",
+    "entity.fox.hurt": "entity.wolf.hurt",
+    "entity.fox.screech": "entity.wolf.ambient",
+    "entity.fox.sleep": "entity.wolf.growl",
+    "entity.fox.sniff": "entity.wolf.pant",
+    "entity.fox.spit": "entity.llama.spit",
+    "block.grindstone.use": "block.iron_door.open",
+    "entity.ravager.ambient": "entity.polar_bear.ambient",
+    "entity.ravager.attack": "entity.polar_bear.warning",
+    "entity.ravager.celebrate": "entity.enderman.ambient",
+    "entity.ravager.death": "entity.polar_bear.death",
+    "entity.ravager.hurt": "entity.polar_bear.hurt",
+    "entity.ravager.step": "entity.polar_bear.step",
+    "entity.ravager.stunned": "entity.polar_bear.ambient",
+    "entity.ravager.roar": "entity.polar_bear.warning",
+    "block.lantern.break": "block.glass.break",
+    "block.lantern.fall": "block.glass.fall",
+    "block.lantern.hit": "block.glass.hit",
+    "block.lantern.place": "block.glass.place",
+    "block.lantern.step": "block.glass.step",
+    "entity.mooshroom.convert": "entity.zombie_villager.converted",
+    "entity.mooshroom.eat": "entity.boat.paddle_land",
+    "entity.mooshroom.milk": "entity.cow.milk",
+    "entity.mooshroom.suspicious_milk": "entity.cow.milk",
+    "block.nether_wart.break": "block.wet_grass.break",
+    "item.nether_wart.plant": "block.wet_grass.place",
+    "block.note_block.iron_xylophone": "block.note_block.xylophone",
+    "block.note_block.cow_bell": "block.note_block.bell",
+    "block.note_block.didgeridoo": "block.note_block.bass",
+    "block.note_block.bit": "block.note_block.pling",
+    "block.note_block.banjo": "block.note_block.chime",
+    "entity.ocelot.hurt": "entity.cat.hurt",
+    "entity.ocelot.ambient": "entity.cat.purreow",
+    "entity.ocelot.death": "entity.cat.death",
+    "entity.panda.pre_sneeze": "entity.turtle.hurt_baby",
+    "entity.panda.sneeze": "entity.bat.ambient",
+    "entity.panda.ambient": "entity.turtle.hurt_baby",
+    "entity.panda.death": "entity.turtle.death_baby",
+    "entity.panda.eat": "entity.turtle.egg_crack",
+    "entity.panda.step": "entity.turtle.shamble",
+    "entity.panda.cant_breed": "entity.polar_bear.ambient_baby",
+    "entity.panda.aggressive_ambient": "entity.polar_bear.warning",
+    "entity.panda.worried_ambient": "entity.polar_bear.ambient_baby",
+    "entity.panda.hurt": "entity.polar_bear.hurt",
+    "entity.panda.bite": "entity.polar_bear.step",
+    "entity.pillager.ambient": "entity.villager.ambient",
+    "entity.pillager.celebrate": "entity.vindicator.ambient",
+    "entity.pillager.death": "entity.vindicator.death",
+    "entity.pillager.hurt": "entity.vindicator.hurt",
+    "entity.player.hurt_sweet_berry_bush": "block.grass.step",
+    "event.raid.horn": "entity.wither.death",
+    "block.scaffolding.break": "block.wood.break",
+    "block.scaffolding.fall": "block.wood.fall",
+    "block.scaffolding.hit": "block.wood.hit",
+    "block.scaffolding.place": "block.wood.place",
+    "block.scaffolding.step": "block.wood.step",
+    "block.smoker.smoke": "block.fire.ambient",
+    "block.sweet_berry_bush.break": "block.gravel.break",
+    "block.sweet_berry_bush.place": "block.gravel.place",
+    "item.sweet_berries.pick_from_bush": "block.grass.hit",
+    "ui.loom.select_pattern": "item.flintandsteel.use",
+    "ui.loom.take_result": "block.wooden_door.close",
+    "ui.cartography_table.take_result": "block.enchantment_table.use",
+    "ui.stonecutter.take_result": "entity.horse.breathe",
+    "ui.stonecutter.select_recipe": "ui.button.click",
+    "entity.villager.celebrate": "entity.villager.ambient",
+    "entity.villager.work_armorer": "entity.villager.ambient",
+    "entity.villager.work_butcher": "entity.villager.ambient",
+    "entity.villager.work_cartographer": "entity.villager.ambient",
+    "entity.villager.work_cleric": "entity.villager.ambient",
+    "entity.villager.work_farmer": "entity.villager.ambient",
+    "entity.villager.work_fisherman": "entity.villager.ambient",
+    "entity.villager.work_fletcher": "entity.villager.ambient",
+    "entity.villager.work_leatherworker": "entity.villager.ambient",
+    "entity.villager.work_librarian": "entity.villager.ambient",
+    "entity.villager.work_mason": "entity.villager.ambient",
+    "entity.villager.work_shepherd": "entity.villager.ambient",
+    "entity.villager.work_toolsmith": "entity.villager.ambient",
+    "entity.villager.work_weaponsmith": "entity.villager.ambient",
+    "entity.vindicator.celebrate": "entity.villager.no",
+    "entity.wandering_trader.ambient": "entity.villager.ambient",
+    "entity.wandering_trader.death": "entity.villager.death",
+    "entity.wandering_trader.disappeared": "entity.enderman.teleport",
+    "entity.wandering_trader.drink_milk": "entity.witch.drink",
+    "entity.wandering_trader.drink_potion": "entity.generic.drink",
+    "entity.wandering_trader.hurt": "entity.villager.hurt",
+    "entity.wandering_trader.no": "entity.villager.no",
+    "entity.wandering_trader.reappeared": "entity.villager.yes",
+    "entity.wandering_trader.trade": "entity.villager.trade",
+    "entity.wandering_trader.yes": "entity.villager.yes",
+    "entity.witch.celebrate": "entity.witch.ambient",
+    "entity.parrot.imitate.guardian": "",
+    "entity.parrot.imitate.panda": "",
+    "entity.parrot.imitate.pillager": "",
+    "entity.parrot.imitate.ravager": ""
   }
 }

core/src/main/resources/assets/viabackwards/data/mapping-1.14.4to1.15.json

@@ -0,0 +1,62 @@
+{
+  "blockstates": {
+    "minecraft:bell[attachment=floor,facing=north,powered=true]": "minecraft:bell[attachment=floor,facing=north]",
+    "minecraft:bell[attachment=floor,facing=north,powered=false]": "minecraft:bell[attachment=floor,facing=north]",
+    "minecraft:bell[attachment=floor,facing=south,powered=true]": "minecraft:bell[attachment=floor,facing=south]",
+    "minecraft:bell[attachment=floor,facing=south,powered=false]": "minecraft:bell[attachment=floor,facing=south]",
+    "minecraft:bell[attachment=floor,facing=west,powered=true]": "minecraft:bell[attachment=floor,facing=west]",
+    "minecraft:bell[attachment=floor,facing=west,powered=false]": "minecraft:bell[attachment=floor,facing=west]",
+    "minecraft:bell[attachment=floor,facing=east,powered=true]": "minecraft:bell[attachment=floor,facing=east]",
+    "minecraft:bell[attachment=floor,facing=east,powered=false]": "minecraft:bell[attachment=floor,facing=east]",
+    "minecraft:bell[attachment=ceiling,facing=north,powered=true]": "minecraft:bell[attachment=ceiling,facing=north]",
+    "minecraft:bell[attachment=ceiling,facing=north,powered=false]": "minecraft:bell[attachment=ceiling,facing=north]",
+    "minecraft:bell[attachment=ceiling,facing=south,powered=true]": "minecraft:bell[attachment=ceiling,facing=south]",
+    "minecraft:bell[attachment=ceiling,facing=south,powered=false]": "minecraft:bell[attachment=ceiling,facing=south]",
+    "minecraft:bell[attachment=ceiling,facing=west,powered=true]": "minecraft:bell[attachment=ceiling,facing=west]",
+    "minecraft:bell[attachment=ceiling,facing=west,powered=false]": "minecraft:bell[attachment=ceiling,facing=west]",
+    "minecraft:bell[attachment=ceiling,facing=east,powered=true]": "minecraft:bell[attachment=ceiling,facing=east]",
+    "minecraft:bell[attachment=ceiling,facing=east,powered=false]": "minecraft:bell[attachment=ceiling,facing=east]",
+    "minecraft:bell[attachment=single_wall,facing=north,powered=true]": "minecraft:bell[attachment=single_wall,facing=north]",
+    "minecraft:bell[attachment=single_wall,facing=north,powered=false]": "minecraft:bell[attachment=single_wall,facing=north]",
+    "minecraft:bell[attachment=single_wall,facing=south,powered=true]": "minecraft:bell[attachment=single_wall,facing=south]",
+    "minecraft:bell[attachment=single_wall,facing=south,powered=false]": "minecraft:bell[attachment=single_wall,facing=south]",
+    "minecraft:bell[attachment=single_wall,facing=west,powered=true]": "minecraft:bell[attachment=single_wall,facing=west]",
+    "minecraft:bell[attachment=single_wall,facing=west,powered=false]": "minecraft:bell[attachment=single_wall,facing=west]",
+    "minecraft:bell[attachment=single_wall,facing=east,powered=true]": "minecraft:bell[attachment=single_wall,facing=east]",
+    "minecraft:bell[attachment=single_wall,facing=east,powered=false]": "minecraft:bell[attachment=single_wall,facing=east]",
+    "minecraft:bell[attachment=double_wall,facing=north,powered=true]": "minecraft:bell[attachment=double_wall,facing=north]",
+    "minecraft:bell[attachment=double_wall,facing=north,powered=false]": "minecraft:bell[attachment=double_wall,facing=north]",
+    "minecraft:bell[attachment=double_wall,facing=south,powered=true]": "minecraft:bell[attachment=double_wall,facing=south]",
+    "minecraft:bell[attachment=double_wall,facing=south,powered=false]": "minecraft:bell[attachment=double_wall,facing=south]",
+    "minecraft:bell[attachment=double_wall,facing=west,powered=true]": "minecraft:bell[attachment=double_wall,facing=west]",
+    "minecraft:bell[attachment=double_wall,facing=west,powered=false]": "minecraft:bell[attachment=double_wall,facing=west]",
+    "minecraft:bell[attachment=double_wall,facing=east,powered=true]": "minecraft:bell[attachment=double_wall,facing=east]",
+    "minecraft:bell[attachment=double_wall,facing=east,powered=false]": "minecraft:bell[attachment=double_wall,facing=east]",
+    "minecraft:honey_block": "minecraft:slime_block",
+    "minecraft:honeycomb_block": "minecraft:horn_coral_block",
+    "minecraft:beehive": "minecraft:barrel[facing=up,open=false]",
+    "minecraft:bee_nest": "minecraft:yellow_shulker_box[facing=up]"
+  },
+  "sounds": {
+    "entity.bee.death": "entity.creeper.death",
+    "entity.bee.hurt": "entity.bat.hurt",
+    "entity.bee.loop_aggressive": "entity.enderman.scream",
+    "entity.bee.loop": "entity.parrot.fly",
+    "entity.bee.sting": "entity.phantom.bite",
+    "entity.bee.pollinate": "entity.parrot.fly",
+    "block.beehive.drip": "entity.slime.squish",
+    "block.beehive.enter": "entity.slime.death",
+    "block.beehive.exit": "entity.slime.death_small",
+    "block.beehive.shear": "block.wool.hit",
+    "block.beehive.work": "entity.parrot.fly",
+    "block.honey_block.break": "block.slime_block.break",
+    "block.honey_block.fall": "block.slime_block.fall",
+    "block.honey_block.hit": "block.slime_block.hit",
+    "block.honey_block.place": "block.slime_block.place",
+    "block.honey_block.slide": "block.slime_block.fall",
+    "block.honey_block.step": "block.slime_block.step",
+    "item.honey_bottle.drink": "entity.generic.drink",
+    "entity.iron_golem.damage": "entity.item.break",
+    "entity.iron_golem.repair": "entity.iron_golem.step"
+  }
+}

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

@@ -12,7 +12,7 @@
   },
   "environment": "*",
   "authors": [
-    "Matsv"
+    "Matsv", "KennyTV", "Gerrygames", "creeper123123321", "ForceUpdate1"
   ],
   "entrypoints": {
     "viafabric:via_api_initialized": [

pom.xml

@@ -21,7 +21,7 @@
 
     <description>Allow newer clients to join older server versions.</description>
     <inceptionYear>2016</inceptionYear>
-    <url>https://www.spigotmc.org/resources/viaversion.19254/</url>
+    <url>https://github.com/ViaVersion/ViaBackwards</url>
 
     <modules>
         <module>core</module>
@@ -54,14 +54,14 @@
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>1.16.18</version>
+            <version>1.18.10</version>
             <scope>provided</scope>
         </dependency>
         <!-- ViaVersion -->
         <dependency>
             <groupId>us.myles</groupId>
             <artifactId>viaversion</artifactId>
-            <version>2.1.4-19w39a</version>
+            <version>3.0.0-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>

sponge/src/main/java/nl/matsv/viabackwards/SpongePlugin.java

@@ -28,7 +28,7 @@ import java.util.logging.Logger;
 @Plugin(id = "viabackwards",
         name = "ViaBackwards",
         version = VersionInfo.VERSION,
-        authors = {"Matsv"},
+        authors = {"Matsv", "KennyTV", "Gerrygames", "creeper123123321", "ForceUpdate1"},
         description = "Allow older Minecraft versions to connect to a newer server version.",
         dependencies = {@Dependency(id = "viaversion")}
 )

velocity/src/main/java/nl/matsv/viabackwards/VelocityPlugin.java

@@ -28,7 +28,7 @@ import java.util.logging.Logger;
 @Plugin(id = "viabackwards",
         name = "ViaBackwards",
         version = VersionInfo.VERSION,
-        authors = {"Matsv"},
+        authors = {"Matsv", "KennyTV", "Gerrygames", "creeper123123321", "ForceUpdate1"},
         description = "Allow older Minecraft versions to connect to a newer server version.",
         dependencies = {@Dependency(id = "viaversion")}
 )