Make mapped entity names configurable

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

@@ -36,6 +36,7 @@ public class BackwardsMappings extends MappingDataBase {
     private final Class<? extends Protocol> vvProtocolClass;
     private Int2ObjectMap<MappedItem> backwardsItemMappings;
     private Map<String, String> backwardsSoundMappings;
+    private Map<String, String> entityNames;
 
     public BackwardsMappings(String oldVersion, String newVersion, @Nullable Class<? extends Protocol> vvProtocolClass) {
         this(oldVersion, newVersion, vvProtocolClass, false);
@@ -60,7 +61,12 @@ public class BackwardsMappings extends MappingDataBase {
 
             JsonObject diffSounds = diffMappings.getAsJsonObject("sounds");
             if (diffSounds != null) {
-                backwardsSoundMappings = VBMappingDataLoader.objectToMap(diffSounds);
+                backwardsSoundMappings = VBMappingDataLoader.objectToNamespacedMap(diffSounds);
+            }
+
+            JsonObject diffEntityNames = diffMappings.getAsJsonObject("entitynames");
+            if (diffEntityNames != null) {
+                entityNames = VBMappingDataLoader.objectToMap(diffEntityNames);
             }
         }
 
@@ -145,6 +151,10 @@ public class BackwardsMappings extends MappingDataBase {
         return backwardsSoundMappings.get(id);
     }
 
+    public @Nullable String mappedEntityName(String entityName) {
+        return entityNames.get(entityName);
+    }
+
     public @Nullable Int2ObjectMap<MappedItem> getBackwardsItemMappings() {
         return backwardsItemMappings;
     }

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

@@ -73,7 +73,7 @@ public class VBMappingDataLoader {
     }
 
     public static void mapIdentifiers(int[] output, JsonObject oldIdentifiers, JsonObject newIdentifiers, JsonObject diffIdentifiers, boolean warnOnMissing) {
-        Object2IntMap newIdentifierMap = MappingDataLoader.indexedObjectToMap(newIdentifiers);
+        Object2IntMap<String> newIdentifierMap = MappingDataLoader.indexedObjectToMap(newIdentifiers);
         for (Map.Entry<String, JsonElement> entry : oldIdentifiers.entrySet()) {
             String key = entry.getValue().getAsString();
             int mappedId = newIdentifierMap.getInt(key);
@@ -113,8 +113,8 @@ public class VBMappingDataLoader {
         }
     }
 
-    public static Map<String, String> objectToMap(JsonObject object) {
+    public static Map<String, String> objectToNamespacedMap(JsonObject object) {
-        Map<String, String> mappings = new HashMap<>();
+        Map<String, String> mappings = new HashMap<>(object.size());
         for (Map.Entry<String, JsonElement> entry : object.entrySet()) {
             String key = entry.getKey();
             if (key.indexOf(':') == -1) {
@@ -129,6 +129,14 @@ public class VBMappingDataLoader {
         return mappings;
     }
 
+    public static Map<String, String> objectToMap(JsonObject object) {
+        Map<String, String> mappings = new HashMap<>(object.size());
+        for (Map.Entry<String, JsonElement> entry : object.entrySet()) {
+            mappings.put(entry.getKey(), entry.getValue().getAsString());
+        }
+        return mappings;
+    }
+
     public static Int2ObjectMap<MappedItem> loadItemMappings(JsonObject oldMapping, JsonObject newMapping, JsonObject diffMapping) {
         return loadItemMappings(oldMapping, newMapping, diffMapping, false);
     }

common/src/main/java/com/viaversion/viabackwards/api/entities/storage/EntityData.java

@@ -18,27 +18,40 @@
 
 package com.viaversion.viabackwards.api.entities.storage;
 
+import com.viaversion.viabackwards.ViaBackwards;
+import com.viaversion.viabackwards.api.BackwardsProtocol;
+import com.viaversion.viaversion.api.minecraft.entities.EntityType;
 import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ChatRewriter;
 import org.checkerframework.checker.nullness.qual.Nullable;
 
+import java.util.Locale;
+
 public class EntityData {
+    private final BackwardsProtocol<?, ?, ?, ?> protocol;
     private final int id;
     private final int replacementId;
-    private Object mobName;
+    private final String key;
+    private NameVisibility nameVisibility = NameVisibility.NONE;
     private MetaCreator defaultMeta;
 
-    public EntityData(int id, int replacementId) {
+    public EntityData(BackwardsProtocol<?, ?, ?, ?> protocol, EntityType type, int replacementId) {
-        this.id = id;
+        this(protocol, type.name(), type.getId(), replacementId);
-        this.replacementId = replacementId;
     }
 
-    public EntityData jsonName(String name) {
+    public EntityData(BackwardsProtocol<?, ?, ?, ?> protocol, String key, int id, int replacementId) {
-        this.mobName = ChatRewriter.legacyTextToJson(name);
+        this.protocol = protocol;
+        this.id = id;
+        this.replacementId = replacementId;
+        this.key = key.toLowerCase(Locale.ROOT);
+    }
+
+    public EntityData jsonName() {
+        this.nameVisibility = NameVisibility.JSON;
         return this;
     }
 
-    public EntityData mobName(String name) {
+    public EntityData plainName() {
-        this.mobName = name;
+        this.nameVisibility = NameVisibility.PLAIN;
         return this;
     }
 
@@ -59,7 +72,16 @@ public class EntityData {
      * @return custom mobname, can be either a String or a JsonElement
      */
     public @Nullable Object mobName() {
-        return mobName;
+        if (nameVisibility == NameVisibility.NONE) {
+            return null;
+        }
+
+        String name = protocol.getMappingData().mappedEntityName(key);
+        if (name == null) {
+            ViaBackwards.getPlatform().getLogger().warning("Entity name for " + key + " not found in protocol " + protocol.getClass().getSimpleName());
+            name = key;
+        }
+        return nameVisibility == NameVisibility.JSON ? ChatRewriter.legacyTextToJson(name) : name;
     }
 
     public int replacementId() {
@@ -82,7 +104,7 @@ public class EntityData {
     public String toString() {
         return "EntityData{" +
                 "id=" + id +
-                ", mobName='" + mobName + '\'' +
+                ", mobName='" + key + '\'' +
                 ", replacementId=" + replacementId +
                 ", defaultMeta=" + defaultMeta +
                 '}';
@@ -93,4 +115,10 @@ public class EntityData {
 
         void createMeta(WrappedMetadata storage);
     }
+
+    private enum NameVisibility {
+        PLAIN,
+        JSON,
+        NONE
+    }
 }

common/src/main/java/com/viaversion/viabackwards/api/entities/storage/EntityObjectData.java

@@ -17,19 +17,19 @@
  */
 package com.viaversion.viabackwards.api.entities.storage;
 
+import com.viaversion.viabackwards.api.BackwardsProtocol;
+
 public class EntityObjectData extends EntityData {
-    private final boolean isObject;
     private final int objectData;
 
-    public EntityObjectData(int id, boolean isObject, int replacementId, int objectData) {
+    public EntityObjectData(BackwardsProtocol<?, ?, ?, ?> protocol, String key, int id, int replacementId, int objectData) {
-        super(id, replacementId);
+        super(protocol, key, id, replacementId);
-        this.isObject = isObject;
         this.objectData = objectData;
     }
 
     @Override
     public boolean isObjectType() {
-        return isObject;
+        return true;
     }
 
     @Override

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

@@ -131,7 +131,7 @@ public abstract class EntityRewriterBase<T extends BackwardsProtocol> extends En
 
         // Already rewrite the id here
         int mappedReplacementId = newEntityId(mappedType.getId());
-        EntityData data = new EntityData(type.getId(), mappedReplacementId);
+        EntityData data = new EntityData(protocol, type, mappedReplacementId);
         mapEntityType(type.getId(), mappedReplacementId);
         entityDataMappings.put(type.getId(), data);
         return data;

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

@@ -52,7 +52,7 @@ public abstract class LegacyEntityRewriter<T extends BackwardsProtocol> extends
     }
 
     protected EntityObjectData mapObjectType(ObjectType oldObjectType, ObjectType replacement, int data) {
-        EntityObjectData entData = new EntityObjectData(oldObjectType.getId(), true, replacement.getId(), data);
+        EntityObjectData entData = new EntityObjectData(protocol, oldObjectType.getType().name(), oldObjectType.getId(), replacement.getId(), data);
         objectTypes.put(oldObjectType, entData);
         return entData;
     }

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_10to1_11/packets/EntityPackets1_11.java

@@ -215,10 +215,10 @@ public class EntityPackets1_11 extends LegacyEntityRewriter<Protocol1_10To1_11>
         // Guardian
         mapEntityTypeWithData(Entity1_11Types.EntityType.ELDER_GUARDIAN, Entity1_11Types.EntityType.GUARDIAN);
         // Skeletons
-        mapEntityTypeWithData(Entity1_11Types.EntityType.WITHER_SKELETON, Entity1_11Types.EntityType.SKELETON).mobName("Wither Skeleton").spawnMetadata(storage -> storage.add(getSkeletonTypeMeta(1)));
+        mapEntityTypeWithData(Entity1_11Types.EntityType.WITHER_SKELETON, Entity1_11Types.EntityType.SKELETON).plainName().spawnMetadata(storage -> storage.add(getSkeletonTypeMeta(1)));
-        mapEntityTypeWithData(Entity1_11Types.EntityType.STRAY, Entity1_11Types.EntityType.SKELETON).mobName("Stray").spawnMetadata(storage -> storage.add(getSkeletonTypeMeta(2)));
+        mapEntityTypeWithData(Entity1_11Types.EntityType.STRAY, Entity1_11Types.EntityType.SKELETON).plainName().spawnMetadata(storage -> storage.add(getSkeletonTypeMeta(2)));
         // Zombies
-        mapEntityTypeWithData(Entity1_11Types.EntityType.HUSK, Entity1_11Types.EntityType.ZOMBIE).mobName("Husk").spawnMetadata(storage -> handleZombieType(storage, 6));
+        mapEntityTypeWithData(Entity1_11Types.EntityType.HUSK, Entity1_11Types.EntityType.ZOMBIE).plainName().spawnMetadata(storage -> handleZombieType(storage, 6));
         mapEntityTypeWithData(Entity1_11Types.EntityType.ZOMBIE_VILLAGER, Entity1_11Types.EntityType.ZOMBIE).spawnMetadata(storage -> handleZombieType(storage, 1));
         // Horses
         mapEntityTypeWithData(Entity1_11Types.EntityType.HORSE, Entity1_11Types.EntityType.HORSE).spawnMetadata(storage -> storage.add(getHorseMetaType(0))); // Nob able to ride the horse without having the MetaType sent.
@@ -228,10 +228,10 @@ public class EntityPackets1_11 extends LegacyEntityRewriter<Protocol1_10To1_11>
         mapEntityTypeWithData(Entity1_11Types.EntityType.ZOMBIE_HORSE, Entity1_11Types.EntityType.HORSE).spawnMetadata(storage -> storage.add(getHorseMetaType(3)));
         // New mobs
         mapEntityTypeWithData(Entity1_11Types.EntityType.EVOCATION_FANGS, Entity1_11Types.EntityType.SHULKER);
-        mapEntityTypeWithData(Entity1_11Types.EntityType.EVOCATION_ILLAGER, Entity1_11Types.EntityType.VILLAGER).mobName("Evoker");
+        mapEntityTypeWithData(Entity1_11Types.EntityType.EVOCATION_ILLAGER, Entity1_11Types.EntityType.VILLAGER).plainName();
-        mapEntityTypeWithData(Entity1_11Types.EntityType.VEX, Entity1_11Types.EntityType.BAT).mobName("Vex");
+        mapEntityTypeWithData(Entity1_11Types.EntityType.VEX, Entity1_11Types.EntityType.BAT).plainName();
-        mapEntityTypeWithData(Entity1_11Types.EntityType.VINDICATION_ILLAGER, Entity1_11Types.EntityType.VILLAGER).mobName("Vindicator").spawnMetadata(storage -> storage.add(new Metadata(13, MetaType1_9.VarInt, 4))); // Base Profession
+        mapEntityTypeWithData(Entity1_11Types.EntityType.VINDICATION_ILLAGER, Entity1_11Types.EntityType.VILLAGER).plainName().spawnMetadata(storage -> storage.add(new Metadata(13, MetaType1_9.VarInt, 4))); // Base Profession
-        mapEntityTypeWithData(Entity1_11Types.EntityType.LIAMA, Entity1_11Types.EntityType.HORSE).mobName("Llama").spawnMetadata(storage -> storage.add(getHorseMetaType(1)));
+        mapEntityTypeWithData(Entity1_11Types.EntityType.LIAMA, Entity1_11Types.EntityType.HORSE).plainName().spawnMetadata(storage -> storage.add(getHorseMetaType(1)));
         mapEntityTypeWithData(Entity1_11Types.EntityType.LIAMA_SPIT, Entity1_11Types.EntityType.SNOWBALL);
 
         mapObjectType(Entity1_11Types.ObjectType.LIAMA_SPIT, Entity1_11Types.ObjectType.SNOWBALL, -1);

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_11_1to1_12/Protocol1_11_1To1_12.java

@@ -19,6 +19,7 @@
 package com.viaversion.viabackwards.protocol.protocol1_11_1to1_12;
 
 import com.viaversion.viabackwards.api.BackwardsProtocol;
+import com.viaversion.viabackwards.api.data.BackwardsMappings;
 import com.viaversion.viabackwards.protocol.protocol1_11_1to1_12.data.ShoulderTracker;
 import com.viaversion.viabackwards.protocol.protocol1_11_1to1_12.packets.BlockItemPackets1_12;
 import com.viaversion.viabackwards.protocol.protocol1_11_1to1_12.packets.ChatPackets1_12;
@@ -39,6 +40,12 @@ import com.viaversion.viaversion.protocols.protocol1_9to1_8.Protocol1_9To1_8;
 
 public class Protocol1_11_1To1_12 extends BackwardsProtocol<ClientboundPackets1_12, ClientboundPackets1_9_3, ServerboundPackets1_12, ServerboundPackets1_9_3> {
 
+    private static final BackwardsMappings MAPPINGS = new BackwardsMappings("1.12", "1.11", null, true) {
+        @Override
+        protected boolean shouldWarnOnMissing(final String key) {
+            return super.shouldWarnOnMissing(key) && !key.equals("sounds");
+        }
+    };
     private final EntityPackets1_12 entityPackets = new EntityPackets1_12(this);
     private final BlockItemPackets1_12 blockItemPackets = new BlockItemPackets1_12(this);
 
@@ -83,6 +90,11 @@ public class Protocol1_11_1To1_12 extends BackwardsProtocol<ClientboundPackets1_
         user.put(new ShoulderTracker(user));
     }
 
+    @Override
+    public BackwardsMappings getMappingData() {
+        return MAPPINGS;
+    }
+
     @Override
     public EntityPackets1_12 getEntityRewriter() {
         return entityPackets;
@@ -92,4 +104,9 @@ public class Protocol1_11_1To1_12 extends BackwardsProtocol<ClientboundPackets1_
     public BlockItemPackets1_12 getItemRewriter() {
         return blockItemPackets;
     }
+
+    @Override
+    public boolean hasMappingDataToLoad() {
+        return true;
+    }
 }

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

@@ -212,8 +212,8 @@ public class EntityPackets1_12 extends LegacyEntityRewriter<Protocol1_11_1To1_12
 
     @Override
     protected void registerRewrites() {
-        mapEntityTypeWithData(Entity1_12Types.EntityType.PARROT, Entity1_12Types.EntityType.BAT).mobName("Parrot").spawnMetadata(storage -> storage.add(new Metadata(12, MetaType1_12.Byte, (byte) 0x00)));
+        mapEntityTypeWithData(Entity1_12Types.EntityType.PARROT, Entity1_12Types.EntityType.BAT).plainName().spawnMetadata(storage -> storage.add(new Metadata(12, MetaType1_12.Byte, (byte) 0x00)));
-        mapEntityTypeWithData(Entity1_12Types.EntityType.ILLUSION_ILLAGER, Entity1_12Types.EntityType.EVOCATION_ILLAGER).mobName("Illusioner");
+        mapEntityTypeWithData(Entity1_12Types.EntityType.ILLUSION_ILLAGER, Entity1_12Types.EntityType.EVOCATION_ILLAGER).plainName();
 
         // Handle Illager
         filter().filterFamily(Entity1_12Types.EntityType.EVOCATION_ILLAGER).cancel(12);

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

@@ -281,25 +281,25 @@ public class EntityPackets1_13 extends LegacyEntityRewriter<Protocol1_12_2To1_13
     @Override
     protected void registerRewrites() {
         // Rewrite new Entity 'drowned'
-        mapEntityTypeWithData(Entity1_13Types.EntityType.DROWNED, Entity1_13Types.EntityType.ZOMBIE_VILLAGER).mobName("Drowned");
+        mapEntityTypeWithData(Entity1_13Types.EntityType.DROWNED, Entity1_13Types.EntityType.ZOMBIE_VILLAGER).plainName();
 
         // Fishy
-        mapEntityTypeWithData(Entity1_13Types.EntityType.COD, Entity1_13Types.EntityType.SQUID).mobName("Cod");
+        mapEntityTypeWithData(Entity1_13Types.EntityType.COD, Entity1_13Types.EntityType.SQUID).plainName();
-        mapEntityTypeWithData(Entity1_13Types.EntityType.SALMON, Entity1_13Types.EntityType.SQUID).mobName("Salmon");
+        mapEntityTypeWithData(Entity1_13Types.EntityType.SALMON, Entity1_13Types.EntityType.SQUID).plainName();
-        mapEntityTypeWithData(Entity1_13Types.EntityType.PUFFERFISH, Entity1_13Types.EntityType.SQUID).mobName("Puffer Fish");
+        mapEntityTypeWithData(Entity1_13Types.EntityType.PUFFERFISH, Entity1_13Types.EntityType.SQUID).plainName();
-        mapEntityTypeWithData(Entity1_13Types.EntityType.TROPICAL_FISH, Entity1_13Types.EntityType.SQUID).mobName("Tropical Fish");
+        mapEntityTypeWithData(Entity1_13Types.EntityType.TROPICAL_FISH, Entity1_13Types.EntityType.SQUID).plainName();
 
         // Phantom
-        mapEntityTypeWithData(Entity1_13Types.EntityType.PHANTOM, Entity1_13Types.EntityType.PARROT).mobName("Phantom").spawnMetadata(storage -> {
+        mapEntityTypeWithData(Entity1_13Types.EntityType.PHANTOM, Entity1_13Types.EntityType.PARROT).plainName().spawnMetadata(storage -> {
             // The phantom is grey/blue so let's do yellow/blue
             storage.add(new Metadata(15, MetaType1_12.VarInt, 3));
         });
 
         // Dolphin
-        mapEntityTypeWithData(Entity1_13Types.EntityType.DOLPHIN, Entity1_13Types.EntityType.SQUID).mobName("Dolphin");
+        mapEntityTypeWithData(Entity1_13Types.EntityType.DOLPHIN, Entity1_13Types.EntityType.SQUID).plainName();
 
         // Turtle
-        mapEntityTypeWithData(Entity1_13Types.EntityType.TURTLE, Entity1_13Types.EntityType.OCELOT).mobName("Turtle");
+        mapEntityTypeWithData(Entity1_13Types.EntityType.TURTLE, Entity1_13Types.EntityType.OCELOT).plainName();
 
         // Rewrite Meta types
         filter().handler((event, meta) -> {

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

@@ -352,13 +352,13 @@ public class EntityPackets1_14 extends LegacyEntityRewriter<Protocol1_13_2To1_14
     protected void registerRewrites() {
         mapTypes(Entity1_14Types.values(), Entity1_13Types.EntityType.class);
 
-        mapEntityTypeWithData(Entity1_14Types.CAT, Entity1_14Types.OCELOT).jsonName("Cat");
+        mapEntityTypeWithData(Entity1_14Types.CAT, Entity1_14Types.OCELOT).jsonName();
-        mapEntityTypeWithData(Entity1_14Types.TRADER_LLAMA, Entity1_14Types.LLAMA).jsonName("Trader Llama");
+        mapEntityTypeWithData(Entity1_14Types.TRADER_LLAMA, Entity1_14Types.LLAMA).jsonName();
-        mapEntityTypeWithData(Entity1_14Types.FOX, Entity1_14Types.WOLF).jsonName("Fox");
+        mapEntityTypeWithData(Entity1_14Types.FOX, Entity1_14Types.WOLF).jsonName();
-        mapEntityTypeWithData(Entity1_14Types.PANDA, Entity1_14Types.POLAR_BEAR).jsonName("Panda");
+        mapEntityTypeWithData(Entity1_14Types.PANDA, Entity1_14Types.POLAR_BEAR).jsonName();
-        mapEntityTypeWithData(Entity1_14Types.PILLAGER, Entity1_14Types.VILLAGER).jsonName("Pillager");
+        mapEntityTypeWithData(Entity1_14Types.PILLAGER, Entity1_14Types.VILLAGER).jsonName();
-        mapEntityTypeWithData(Entity1_14Types.WANDERING_TRADER, Entity1_14Types.VILLAGER).jsonName("Wandering Trader");
+        mapEntityTypeWithData(Entity1_14Types.WANDERING_TRADER, Entity1_14Types.VILLAGER).jsonName();
-        mapEntityTypeWithData(Entity1_14Types.RAVAGER, Entity1_14Types.COW).jsonName("Ravager");
+        mapEntityTypeWithData(Entity1_14Types.RAVAGER, Entity1_14Types.COW).jsonName();
 
         filter().handler((event, meta) -> {
             int typeId = meta.metaType().typeId();

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

@@ -205,7 +205,7 @@ public class EntityPackets1_15 extends EntityRewriter<Protocol1_14_4To1_15> {
         filter().type(Entity1_15Types.BEE).cancel(15);
         filter().type(Entity1_15Types.BEE).cancel(16);
 
-        mapEntityTypeWithData(Entity1_15Types.BEE, Entity1_15Types.PUFFERFISH).jsonName("Bee").spawnMetadata(storage -> {
+        mapEntityTypeWithData(Entity1_15Types.BEE, Entity1_15Types.PUFFERFISH).jsonName().spawnMetadata(storage -> {
             storage.add(new Metadata(14, Types1_14.META_TYPES.booleanType, false));
             storage.add(new Metadata(15, Types1_14.META_TYPES.varIntType, 2));
         });

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_15_2to1_16/packets/EntityPackets1_16.java

@@ -270,10 +270,10 @@ public class EntityPackets1_16 extends EntityRewriter<Protocol1_15_2To1_16> {
         mapEntityType(Entity1_16Types.ZOMBIFIED_PIGLIN, Entity1_15Types.ZOMBIE_PIGMAN);
         mapTypes(Entity1_16Types.values(), Entity1_15Types.class);
 
-        mapEntityTypeWithData(Entity1_16Types.HOGLIN, Entity1_16Types.COW).jsonName("Hoglin");
+        mapEntityTypeWithData(Entity1_16Types.HOGLIN, Entity1_16Types.COW).jsonName();
-        mapEntityTypeWithData(Entity1_16Types.ZOGLIN, Entity1_16Types.COW).jsonName("Zoglin");
+        mapEntityTypeWithData(Entity1_16Types.ZOGLIN, Entity1_16Types.COW).jsonName();
-        mapEntityTypeWithData(Entity1_16Types.PIGLIN, Entity1_16Types.ZOMBIFIED_PIGLIN).jsonName("Piglin");
+        mapEntityTypeWithData(Entity1_16Types.PIGLIN, Entity1_16Types.ZOMBIFIED_PIGLIN).jsonName();
-        mapEntityTypeWithData(Entity1_16Types.STRIDER, Entity1_16Types.MAGMA_CUBE).jsonName("Strider");
+        mapEntityTypeWithData(Entity1_16Types.STRIDER, Entity1_16Types.MAGMA_CUBE).jsonName();
 
         filter().type(Entity1_16Types.ZOGLIN).cancel(16);
         filter().type(Entity1_16Types.HOGLIN).cancel(15);

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

@@ -107,7 +107,7 @@ public class EntityPackets1_16_2 extends EntityRewriter<Protocol1_16_1To1_16_2>
                 Types1_16.META_TYPES.particleType, Types1_16.META_TYPES.optionalComponentType);
 
         mapTypes(Entity1_16_2Types.values(), Entity1_16Types.class);
-        mapEntityTypeWithData(Entity1_16_2Types.PIGLIN_BRUTE, Entity1_16_2Types.PIGLIN).jsonName("Piglin Brute");
+        mapEntityTypeWithData(Entity1_16_2Types.PIGLIN_BRUTE, Entity1_16_2Types.PIGLIN).jsonName();
 
         filter().filterFamily(Entity1_16_2Types.ABSTRACT_PIGLIN).index(15).toIndex(16);
         filter().filterFamily(Entity1_16_2Types.ABSTRACT_PIGLIN).index(16).toIndex(15);

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

@@ -193,10 +193,10 @@ public final class EntityPackets1_17 extends EntityRewriter<Protocol1_16_4To1_17
 
         filter().type(Entity1_17Types.GOAT).cancel(17);
 
-        mapEntityTypeWithData(Entity1_17Types.AXOLOTL, Entity1_17Types.TROPICAL_FISH).jsonName("Axolotl");
+        mapEntityTypeWithData(Entity1_17Types.AXOLOTL, Entity1_17Types.TROPICAL_FISH).jsonName();
-        mapEntityTypeWithData(Entity1_17Types.GOAT, Entity1_17Types.SHEEP).jsonName("Goat");
+        mapEntityTypeWithData(Entity1_17Types.GOAT, Entity1_17Types.SHEEP).jsonName();
 
-        mapEntityTypeWithData(Entity1_17Types.GLOW_SQUID, Entity1_17Types.SQUID).jsonName("Glow Squid");
+        mapEntityTypeWithData(Entity1_17Types.GLOW_SQUID, Entity1_17Types.SQUID).jsonName();
         mapEntityTypeWithData(Entity1_17Types.GLOW_ITEM_FRAME, Entity1_17Types.ITEM_FRAME);
 
         filter().type(Entity1_17Types.SHULKER).addIndex(17); // TODO Handle attachment pos?

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_9_4to1_10/packets/EntityPackets1_10.java

@@ -157,7 +157,7 @@ public class EntityPackets1_10 extends LegacyEntityRewriter<Protocol1_9_4To1_10>
 
     @Override
     protected void registerRewrites() {
-        mapEntityTypeWithData(Entity1_10Types.EntityType.POLAR_BEAR, Entity1_10Types.EntityType.SHEEP).mobName("Polar Bear");
+        mapEntityTypeWithData(Entity1_10Types.EntityType.POLAR_BEAR, Entity1_10Types.EntityType.SHEEP).plainName();
 
         // Change the sheep color when the polar bear is standing up (index 13 -> Standing up)
         filter().type(Entity1_10Types.EntityType.POLAR_BEAR).index(13).handler((event, meta) -> {

common/src/main/resources/assets/viabackwards/data/mapping-1.10to1.11.json

@@ -31,5 +31,14 @@
     "item.armor.equip_elytra": "item.armor.equip_generic",
     "item.bottle.empty": "item.bottle.fill",
     "item.totem.use": "block.anvil.destroy"
+  },
+  "entitynames": {
+    "wither_skeleton": "Polar Bear",
+    "stray": "Stray",
+    "husk": "Husk",
+    "evocation_illager": "Evoker",
+    "vex": "Vex",
+    "vindication_illager": "Vindicator",
+    "liama": "Llama"
   }
 }

common/src/main/resources/assets/viabackwards/data/mapping-1.11to1.12.json

@@ -48,5 +48,9 @@
     "entity.parrot.step": "entity.chicken.step",
     "entity.player.hurt_drown": "entity.player.hurt",
     "entity.player.hurt_on_fire": "entity.player.hurt"
+  },
+  "entitynames": {
+    "parrot": "Parrot",
+    "illusion_illager": "Illusioner"
   }
 }

common/src/main/resources/assets/viabackwards/data/mapping-1.12to1.13.json

@@ -5960,5 +5960,15 @@
     "item.trident.throw": "entity.skeleton.shoot",
     "item.trident.thunder": "entity.lightning_bolt.thunder",
     "music.under_water": "music.creative"
+  },
+  "entitynames": {
+    "drowned": "Drowned",
+    "cod": "Cod",
+    "salmon": "Salmon",
+    "pufferfish": "Pufferfish",
+    "tropical_fish": "Tropical Fish",
+    "phantom": "Phantom",
+    "dolphin": "Dolphin",
+    "turtle": "Turtle"
   }
 }

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

@@ -1008,5 +1008,14 @@
     "sneeze": "spit",
     "campfire_cosy_smoke": "cloud",
     "campfire_signal_smoke": "cloud"
+  },
+  "entitynames": {
+    "cat": "Cat",
+    "trader_llama": "Trader Llama",
+    "fox": "Fox",
+    "panda": "Panda",
+    "pillager": "Pillager",
+    "wandering_trader": "Wandering Trader",
+    "ravager": "Ravager"
   }
 }

common/src/main/resources/assets/viabackwards/data/mapping-1.14to1.15.json

@@ -94,5 +94,8 @@
     "falling_honey": "falling_lava",
     "landing_honey": "landing_lava",
     "falling_nectar": "falling_water"
+  },
+  "entitynames": {
+    "bee": "Bee"
   }
 }

common/src/main/resources/assets/viabackwards/data/mapping-1.15to1.16.json

@@ -6242,5 +6242,11 @@
     "landing_obsidian_tear": "landing_lava",
     "reverse_portal": "portal",
     "white_ash": "mycelium"
+  },
+  "entitynames": {
+    "hoglin": "Hoglin",
+    "zoglin": "Zoglin",
+    "piglin": "Piglin",
+    "strider": "Strider"
   }
 }

common/src/main/resources/assets/viabackwards/data/mapping-1.16.2to1.17.json

@@ -1177,7 +1177,6 @@
       "id": "minecraft:silverfish_spawn_egg",
       "name": "1.17 Goat Spawn Egg"
     },
-
     "minecraft:raw_iron_block": {
       "id": "minecraft:iron_block",
       "name": "1.17 Raw Iron Block"
@@ -1411,5 +1410,10 @@
     "electric_spark": "happy_villager",
     "scrape": "happy_villager",
     "light": "barrier"
+  },
+  "entitynames": {
+    "axolotl": "Axolotl",
+    "goat": "Goat",
+    "glow_squid": "Glow Squid"
   }
 }

common/src/main/resources/assets/viabackwards/data/mapping-1.16to1.16.2.json

@@ -29,5 +29,8 @@
     "entity.piglin_brute.hurt": "entity.piglin.hurt",
     "entity.piglin_brute.step": "entity.piglin.step",
     "entity.piglin_brute.converted_to_zombified": "entity.piglin.converted_to_zombified"
+  },
+  "entitynames": {
+    "piglin_brute": "Piglin Brute"
   }
 }

common/src/main/resources/assets/viabackwards/data/mapping-1.9.4to1.10.json

@@ -19,5 +19,8 @@
     "entity.wither_skeleton.death": "entity.skeleton.death",
     "entity.wither_skeleton.hurt": "entity.skeleton.hurt",
     "entity.wither_skeleton.step": "entity.skeleton.step"
+  },
+  "entitynames": {
+    "polar_bear": "Polar Bear"
   }
 }