Here you go, proper 1.19.1->1.19 and 1.19->1.18.2 support

Co-authored-by: Tisawesomeness <tis_dev@protonmail.com>

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

@@ -45,8 +45,9 @@ import com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.Protocol1_16_4T
 import com.viaversion.viabackwards.protocol.protocol1_16to1_16_1.Protocol1_16To1_16_1;
 import com.viaversion.viabackwards.protocol.protocol1_17_1to1_18.Protocol1_17_1To1_18;
 import com.viaversion.viabackwards.protocol.protocol1_17to1_17_1.Protocol1_17To1_17_1;
-import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.Protocol1_18_2To1_19_1;
+import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.Protocol1_18_2To1_19;
 import com.viaversion.viabackwards.protocol.protocol1_18to1_18_2.Protocol1_18To1_18_2;
+import com.viaversion.viabackwards.protocol.protocol1_19to1_19_1.Protocol1_19To1_19_1;
 import com.viaversion.viabackwards.protocol.protocol1_9_4to1_10.Protocol1_9_4To1_10;
 import com.viaversion.viaversion.api.Via;
 import com.viaversion.viaversion.api.protocol.ProtocolManager;
@@ -58,7 +59,7 @@ import java.util.logging.Logger;
 
 public interface ViaBackwardsPlatform {
 
-    String MINIMUM_VV_VERSION = "4.4.1";
+    String MINIMUM_VV_VERSION = "4.4.2";
     String IMPL_VERSION = "$IMPL_VERSION";
 
     /**
@@ -81,7 +82,6 @@ public interface ViaBackwardsPlatform {
         TranslatableRewriter.loadTranslatables();
 
         final ProtocolManager protocolManager = Via.getManager().getProtocolManager();
-        protocolManager.setMaxPathDeltaIncrease(1); // Since we skip 1.19
         protocolManager.registerProtocol(new Protocol1_9_4To1_10(), ProtocolVersion.v1_9_3, ProtocolVersion.v1_10);
 
         protocolManager.registerProtocol(new Protocol1_10To1_11(), ProtocolVersion.v1_10, ProtocolVersion.v1_11);
@@ -117,8 +117,8 @@ public interface ViaBackwardsPlatform {
         protocolManager.registerProtocol(new Protocol1_17_1To1_18(), ProtocolVersion.v1_17_1, ProtocolVersion.v1_18);
         protocolManager.registerProtocol(new Protocol1_18To1_18_2(), ProtocolVersion.v1_18, ProtocolVersion.v1_18_2);
 
-        // 1.19.0 clients cannot join 1.19.1+ servers due to changes in the public profile key. 1.19.0 servers can use ViaBackwards 4.3.1
+        protocolManager.registerProtocol(new Protocol1_18_2To1_19(), ProtocolVersion.v1_18_2, ProtocolVersion.v1_19);
-        protocolManager.registerProtocol(new Protocol1_18_2To1_19_1(), ProtocolVersion.v1_18_2, ProtocolVersion.v1_19_1);
+        protocolManager.registerProtocol(new Protocol1_19To1_19_1(), ProtocolVersion.v1_19, ProtocolVersion.v1_19_1);
     }
 
     /**
@@ -143,10 +143,6 @@ public interface ViaBackwardsPlatform {
     }
 
     default boolean isOutdatedPostLoad() {
-        if (!Via.getPlatform().isProxy() && Via.getAPI().getServerVersion().highestSupportedVersion() == ProtocolVersion.v1_19.getVersion()) {
-            // Print a warning but still allow it
-            getLogger().warning("This version of ViaBackwards does not fully support 1.19 servers. Please downgrade to ViaBackwards 4.3.1 for better support of that version.");
-        }
         return false;
     }
 

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

@@ -18,6 +18,7 @@
 package com.viaversion.viabackwards.api.rewriters;
 
 import com.viaversion.viabackwards.api.BackwardsProtocol;
+import com.viaversion.viaversion.api.data.entity.EntityTracker;
 import com.viaversion.viaversion.api.minecraft.entities.EntityType;
 import com.viaversion.viaversion.api.minecraft.metadata.MetaType;
 import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
@@ -90,6 +91,18 @@ public abstract class EntityRewriter<T extends BackwardsProtocol> extends Entity
         });
     }
 
+    public PacketHandler worldTrackerHandlerByKey() {
+        return wrapper -> {
+            EntityTracker tracker = tracker(wrapper.user());
+            String world = wrapper.get(Type.STRING, 1);
+            if (tracker.currentWorld() != null && !tracker.currentWorld().equals(world)) {
+                tracker.clearEntities();
+                tracker.trackClientEntity();
+            }
+            tracker.setCurrentWorld(world);
+        };
+    }
+
     /**
      * Sets the mapped entity id and returns the unmapped entity type.
      *

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

@@ -80,15 +80,6 @@ public class TranslatableRewriter extends ComponentRewriter {
         });
     }
 
-    public void registerChatMessage(ClientboundPacketType packetType) {
-        protocol.registerClientbound(packetType, new PacketRemapper() {
-            @Override
-            public void registerMap() {
-                handler(wrapper -> processText(wrapper.passthrough(Type.COMPONENT)));
-            }
-        });
-    }
-
     public void registerLegacyOpenWindow(ClientboundPacketType packetType) {
         protocol.registerClientbound(packetType, new PacketRemapper() {
             @Override

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

@@ -73,7 +73,7 @@ public class Protocol1_12_2To1_13 extends BackwardsProtocol<ClientboundPackets1_
         };
         translatableRewriter.registerPing();
         translatableRewriter.registerBossBar(ClientboundPackets1_13.BOSSBAR);
-        translatableRewriter.registerChatMessage(ClientboundPackets1_13.CHAT_MESSAGE);
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_13.CHAT_MESSAGE);
         translatableRewriter.registerLegacyOpenWindow(ClientboundPackets1_13.OPEN_WINDOW);
         translatableRewriter.registerDisconnect(ClientboundPackets1_13.DISCONNECT);
         translatableRewriter.registerCombatEvent(ClientboundPackets1_13.COMBAT_EVENT);

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

@@ -59,7 +59,7 @@ public class Protocol1_13_2To1_14 extends BackwardsProtocol<ClientboundPackets1_
         executeAsyncAfterLoaded(Protocol1_14To1_13_2.class, MAPPINGS::load);
 
         translatableRewriter.registerBossBar(ClientboundPackets1_14.BOSSBAR);
-        translatableRewriter.registerChatMessage(ClientboundPackets1_14.CHAT_MESSAGE);
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_14.CHAT_MESSAGE);
         translatableRewriter.registerCombatEvent(ClientboundPackets1_14.COMBAT_EVENT);
         translatableRewriter.registerDisconnect(ClientboundPackets1_14.DISCONNECT);
         translatableRewriter.registerTabList(ClientboundPackets1_14.TAB_LIST);

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

@@ -66,7 +66,7 @@ public class Protocol1_13To1_13_1 extends BackwardsProtocol<ClientboundPackets1_
         WorldPackets1_13_1.register(this);
 
         TranslatableRewriter translatableRewriter = new TranslatableRewriter(this);
-        translatableRewriter.registerChatMessage(ClientboundPackets1_13.CHAT_MESSAGE);
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_13.CHAT_MESSAGE);
         translatableRewriter.registerCombatEvent(ClientboundPackets1_13.COMBAT_EVENT);
         translatableRewriter.registerDisconnect(ClientboundPackets1_13.DISCONNECT);
         translatableRewriter.registerTabList(ClientboundPackets1_13.TAB_LIST);

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

@@ -55,7 +55,7 @@ public class Protocol1_14_4To1_15 extends BackwardsProtocol<ClientboundPackets1_
         executeAsyncAfterLoaded(Protocol1_15To1_14_4.class, MAPPINGS::load);
 
         translatableRewriter.registerBossBar(ClientboundPackets1_15.BOSSBAR);
-        translatableRewriter.registerChatMessage(ClientboundPackets1_15.CHAT_MESSAGE);
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_15.CHAT_MESSAGE);
         translatableRewriter.registerCombatEvent(ClientboundPackets1_15.COMBAT_EVENT);
         translatableRewriter.registerDisconnect(ClientboundPackets1_15.DISCONNECT);
         translatableRewriter.registerOpenWindow(ClientboundPackets1_15.OPEN_WINDOW);

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

@@ -68,7 +68,7 @@ public final class Protocol1_16_4To1_17 extends BackwardsProtocol<ClientboundPac
     protected void registerPackets() {
         executeAsyncAfterLoaded(Protocol1_17To1_16_4.class, MAPPINGS::load);
 
-        translatableRewriter.registerChatMessage(ClientboundPackets1_17.CHAT_MESSAGE);
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_17.CHAT_MESSAGE);
         translatableRewriter.registerBossBar(ClientboundPackets1_17.BOSSBAR);
         translatableRewriter.registerDisconnect(ClientboundPackets1_17.DISCONNECT);
         translatableRewriter.registerTabList(ClientboundPackets1_17.TAB_LIST);

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_18_2to1_19/Protocol1_18_2To1_19.java

@@ -0,0 +1,315 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2022 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viabackwards.protocol.protocol1_18_2to1_19;
+
+import com.viaversion.viabackwards.ViaBackwards;
+import com.viaversion.viabackwards.api.BackwardsProtocol;
+import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
+import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
+import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.data.BackwardsMappings;
+import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.data.CommandRewriter1_19;
+import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.packets.BlockItemPackets1_19;
+import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.packets.EntityPackets1_19;
+import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.storage.DimensionRegistryStorage;
+import com.viaversion.viabackwards.protocol.protocol1_19to1_19_1.Protocol1_19To1_19_1;
+import com.viaversion.viaversion.api.connection.UserConnection;
+import com.viaversion.viaversion.api.minecraft.RegistryType;
+import com.viaversion.viaversion.api.minecraft.entities.Entity1_19Types;
+import com.viaversion.viaversion.api.protocol.packet.State;
+import com.viaversion.viaversion.api.protocol.remapper.PacketRemapper;
+import com.viaversion.viaversion.api.rewriter.EntityRewriter;
+import com.viaversion.viaversion.api.rewriter.ItemRewriter;
+import com.viaversion.viaversion.api.type.Type;
+import com.viaversion.viaversion.data.entity.EntityTrackerBase;
+import com.viaversion.viaversion.libs.gson.JsonElement;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag;
+import com.viaversion.viaversion.protocols.base.ClientboundLoginPackets;
+import com.viaversion.viaversion.protocols.base.ServerboundLoginPackets;
+import com.viaversion.viaversion.protocols.protocol1_17to1_16_4.ServerboundPackets1_17;
+import com.viaversion.viaversion.protocols.protocol1_18to1_17_1.ClientboundPackets1_18;
+import com.viaversion.viaversion.protocols.protocol1_19_1to1_19.ChatDecorationResult;
+import com.viaversion.viaversion.protocols.protocol1_19_1to1_19.Protocol1_19_1To1_19;
+import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.ClientboundPackets1_19;
+import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.Protocol1_19To1_18_2;
+import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.ServerboundPackets1_19;
+import com.viaversion.viaversion.rewriter.CommandRewriter;
+import com.viaversion.viaversion.rewriter.StatisticsRewriter;
+import com.viaversion.viaversion.rewriter.TagRewriter;
+
+import java.time.Instant;
+import java.util.UUID;
+
+public final class Protocol1_18_2To1_19 extends BackwardsProtocol<ClientboundPackets1_19, ClientboundPackets1_18, ServerboundPackets1_19, ServerboundPackets1_17> {
+
+    public static final BackwardsMappings MAPPINGS = new BackwardsMappings();
+    private static final UUID ZERO_UUID = new UUID(0, 0);
+    private static final byte[] EMPTY_BYTES = new byte[0];
+    private final EntityPackets1_19 entityRewriter = new EntityPackets1_19(this);
+    private final BlockItemPackets1_19 blockItemPackets = new BlockItemPackets1_19(this);
+    private final TranslatableRewriter translatableRewriter = new TranslatableRewriter(this);
+
+    public Protocol1_18_2To1_19() {
+        super(ClientboundPackets1_19.class, ClientboundPackets1_18.class, ServerboundPackets1_19.class, ServerboundPackets1_17.class);
+    }
+
+    @Override
+    protected void registerPackets() {
+        executeAsyncAfterLoaded(Protocol1_19To1_18_2.class, () -> {
+            MAPPINGS.load();
+            entityRewriter.onMappingDataLoaded();
+        });
+
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_19.ACTIONBAR);
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_19.TITLE_TEXT);
+        translatableRewriter.registerComponentPacket(ClientboundPackets1_19.TITLE_SUBTITLE);
+        translatableRewriter.registerBossBar(ClientboundPackets1_19.BOSSBAR);
+        translatableRewriter.registerDisconnect(ClientboundPackets1_19.DISCONNECT);
+        translatableRewriter.registerTabList(ClientboundPackets1_19.TAB_LIST);
+        translatableRewriter.registerOpenWindow(ClientboundPackets1_19.OPEN_WINDOW);
+        translatableRewriter.registerCombatKill(ClientboundPackets1_19.COMBAT_KILL);
+        translatableRewriter.registerPing();
+
+        blockItemPackets.register();
+        entityRewriter.register();
+
+        final SoundRewriter soundRewriter = new SoundRewriter(this);
+        soundRewriter.registerStopSound(ClientboundPackets1_19.STOP_SOUND);
+        registerClientbound(ClientboundPackets1_19.SOUND, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.VAR_INT); // Sound id
+                map(Type.VAR_INT); // Source
+                map(Type.INT); // X
+                map(Type.INT); // Y
+                map(Type.INT); // Z
+                map(Type.FLOAT); // Volume
+                map(Type.FLOAT); // Pitch
+                read(Type.LONG); // Seed
+                handler(soundRewriter.getSoundHandler());
+            }
+        });
+        registerClientbound(ClientboundPackets1_19.ENTITY_SOUND, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.VAR_INT); // Sound id
+                map(Type.VAR_INT); // Source
+                map(Type.VAR_INT); // Entity id
+                map(Type.FLOAT); // Volume
+                map(Type.FLOAT); // Pitch
+                read(Type.LONG); // Seed
+                handler(soundRewriter.getSoundHandler());
+            }
+        });
+        registerClientbound(ClientboundPackets1_19.NAMED_SOUND, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.STRING); // Sound name
+                map(Type.VAR_INT); // Source
+                map(Type.INT); // X
+                map(Type.INT); // Y
+                map(Type.INT); // Z
+                map(Type.FLOAT); // Volume
+                map(Type.FLOAT); // Pitch
+                read(Type.LONG); // Seed
+                handler(soundRewriter.getNamedSoundHandler());
+            }
+        });
+
+        final TagRewriter tagRewriter = new TagRewriter(this);
+        tagRewriter.removeTags("minecraft:banner_pattern");
+        tagRewriter.removeTags("minecraft:instrument");
+        tagRewriter.removeTags("minecraft:cat_variant");
+        tagRewriter.removeTags("minecraft:painting_variant");
+        tagRewriter.addEmptyTag(RegistryType.BLOCK, "minecraft:polar_bears_spawnable_on_in_frozen_ocean");
+        tagRewriter.renameTag(RegistryType.BLOCK, "minecraft:wool_carpets", "minecraft:carpets");
+        tagRewriter.renameTag(RegistryType.ITEM, "minecraft:wool_carpets", "minecraft:carpets");
+        tagRewriter.addEmptyTag(RegistryType.ITEM, "minecraft:occludes_vibration_signals");
+        tagRewriter.registerGeneric(ClientboundPackets1_19.TAGS);
+
+        new StatisticsRewriter(this).register(ClientboundPackets1_19.STATISTICS);
+
+        final CommandRewriter commandRewriter = new CommandRewriter1_19(this);
+        registerClientbound(ClientboundPackets1_19.DECLARE_COMMANDS, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                handler(wrapper -> {
+                    final int size = wrapper.passthrough(Type.VAR_INT);
+                    for (int i = 0; i < size; i++) {
+                        final byte flags = wrapper.passthrough(Type.BYTE);
+                        wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE); // Children indices
+                        if ((flags & 0x08) != 0) {
+                            wrapper.passthrough(Type.VAR_INT); // Redirect node index
+                        }
+
+                        final int nodeType = flags & 0x03;
+                        if (nodeType == 1 || nodeType == 2) { // Literal/argument node
+                            wrapper.passthrough(Type.STRING); // Name
+                        }
+
+                        if (nodeType == 2) { // Argument node
+                            final int argumentTypeId = wrapper.read(Type.VAR_INT);
+                            String argumentType = MAPPINGS.argumentType(argumentTypeId);
+                            if (argumentType == null) {
+                                ViaBackwards.getPlatform().getLogger().warning("Unknown command argument type id: " + argumentTypeId);
+                                argumentType = "minecraft:no";
+                            }
+
+                            wrapper.write(Type.STRING, commandRewriter.handleArgumentType(argumentType));
+                            commandRewriter.handleArgument(wrapper, argumentType);
+
+                            if ((flags & 0x10) != 0) {
+                                wrapper.passthrough(Type.STRING); // Suggestion type
+                            }
+                        }
+                    }
+
+                    wrapper.passthrough(Type.VAR_INT); // Root node index
+                });
+            }
+        });
+
+        cancelClientbound(ClientboundPackets1_19.SERVER_DATA);
+        cancelClientbound(ClientboundPackets1_19.CHAT_PREVIEW);
+        cancelClientbound(ClientboundPackets1_19.SET_DISPLAY_CHAT_PREVIEW);
+        registerClientbound(ClientboundPackets1_19.PLAYER_CHAT, ClientboundPackets1_18.CHAT_MESSAGE, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                handler(wrapper -> {
+                    final JsonElement signedContent = wrapper.read(Type.COMPONENT);
+                    final JsonElement unsignedContent = wrapper.read(Type.OPTIONAL_COMPONENT);
+                    final int chatTypeId = wrapper.read(Type.VAR_INT);
+                    final UUID sender = wrapper.read(Type.UUID);
+                    final JsonElement senderName = wrapper.read(Type.COMPONENT);
+                    final JsonElement teamName = wrapper.read(Type.OPTIONAL_COMPONENT);
+
+                    final CompoundTag chatType = wrapper.user().get(DimensionRegistryStorage.class).chatType(chatTypeId);
+                    final ChatDecorationResult decorationResult = Protocol1_19_1To1_19.decorateChatMessage(chatType, chatTypeId, senderName, teamName, unsignedContent != null ? unsignedContent : signedContent);
+                    if (decorationResult == null) {
+                        wrapper.cancel();
+                        return;
+                    }
+
+                    translatableRewriter.processText(decorationResult.content());
+                    wrapper.write(Type.COMPONENT, decorationResult.content());
+                    wrapper.write(Type.BYTE, decorationResult.overlay() ? (byte) 2 : 1);
+                    wrapper.write(Type.UUID, sender);
+                });
+                read(Type.LONG); // Timestamp
+                read(Type.LONG); // Salt
+                read(Type.BYTE_ARRAY_PRIMITIVE); // Signature
+            }
+        });
+
+        registerClientbound(ClientboundPackets1_19.SYSTEM_CHAT, ClientboundPackets1_18.CHAT_MESSAGE, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                handler(wrapper -> {
+                    final JsonElement content = wrapper.passthrough(Type.COMPONENT);
+                    translatableRewriter.processText(content);
+
+                    // Screw everything that isn't a system or game info type (which would only happen on funny 1.19.0 servers)
+                    final int typeId = wrapper.read(Type.VAR_INT);
+                    wrapper.write(Type.BYTE, typeId == Protocol1_19To1_19_1.GAME_INFO_ID ? (byte) 2 : (byte) 0);
+                });
+                create(Type.UUID, ZERO_UUID); // Sender
+            }
+        });
+
+        registerServerbound(ServerboundPackets1_17.CHAT_MESSAGE, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.STRING); // Message
+                create(Type.LONG, Instant.now().toEpochMilli()); // Timestamp
+                create(Type.LONG, 0L); // Salt
+                handler(wrapper -> {
+                    final String message = wrapper.get(Type.STRING, 0);
+                    if (!message.isEmpty() && message.charAt(0) == '/') {
+                        wrapper.setPacketType(ServerboundPackets1_19.CHAT_COMMAND);
+                        wrapper.set(Type.STRING, 0, message.substring(1));
+                        wrapper.write(Type.VAR_INT, 0); // No signatures
+                    } else {
+                        wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, EMPTY_BYTES); // Signature
+                    }
+                    wrapper.write(Type.BOOLEAN, false); // No signed preview
+                });
+            }
+        });
+
+        // Login changes
+        registerClientbound(State.LOGIN, ClientboundLoginPackets.GAME_PROFILE.getId(), ClientboundLoginPackets.GAME_PROFILE.getId(), new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.UUID); // UUID
+                map(Type.STRING); // Name
+                handler(wrapper -> {
+                    final int properties = wrapper.read(Type.VAR_INT);
+                    for (int i = 0; i < properties; i++) {
+                        wrapper.read(Type.STRING); // Name
+                        wrapper.read(Type.STRING); // Value
+                        if (wrapper.read(Type.BOOLEAN)) {
+                            wrapper.read(Type.STRING); // Signature
+                        }
+                    }
+                });
+            }
+        });
+
+        registerServerbound(State.LOGIN, ServerboundLoginPackets.HELLO.getId(), ServerboundLoginPackets.HELLO.getId(), new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.STRING); // Name
+                // Write empty profile key - requires the enforce-secure-profiles option to be disabled on the server
+                create(Type.OPTIONAL_PROFILE_KEY, null);
+            }
+        });
+
+        registerServerbound(State.LOGIN, ServerboundLoginPackets.ENCRYPTION_KEY.getId(), ServerboundLoginPackets.ENCRYPTION_KEY.getId(), new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.BYTE_ARRAY_PRIMITIVE); // Keys
+                create(Type.BOOLEAN, true); // Is nonce
+            }
+        });
+    }
+
+    @Override
+    public void init(final UserConnection user) {
+        user.put(new DimensionRegistryStorage());
+        addEntityTracker(user, new EntityTrackerBase(user, Entity1_19Types.PLAYER, true));
+    }
+
+    @Override
+    public BackwardsMappings getMappingData() {
+        return MAPPINGS;
+    }
+
+    @Override
+    public TranslatableRewriter getTranslatableRewriter() {
+        return translatableRewriter;
+    }
+
+    @Override
+    public EntityRewriter getEntityRewriter() {
+        return entityRewriter;
+    }
+
+    @Override
+    public ItemRewriter getItemRewriter() {
+        return blockItemPackets;
+    }
+}

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

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-package com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.data;
+package com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.data;
 
 import com.viaversion.viabackwards.api.data.VBMappingDataLoader;
 import com.viaversion.viaversion.api.minecraft.nbt.BinaryTagIO;
@@ -53,13 +53,13 @@ public final class BackwardsMappings extends com.viaversion.viabackwards.api.dat
         }
 
         try {
-            ListTag chatTypes = BinaryTagIO.readCompressedInputStream(VBMappingDataLoader.getResource("chat-types-1.19.1.nbt")).get("values");
+            final ListTag chatTypes = BinaryTagIO.readCompressedInputStream(VBMappingDataLoader.getResource("chat-types-1.19.1.nbt")).get("values");
             for (final Tag chatType : chatTypes) {
                 final CompoundTag chatTypeCompound = (CompoundTag) chatType;
                 final NumberTag idTag = chatTypeCompound.get("id");
                 defaultChatTypes.put(idTag.asInt(), chatTypeCompound);
             }
-        } catch (IOException e) {
+        } catch (final IOException e) {
             e.printStackTrace();
         }
     }

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_18_2to1_19/data/CommandRewriter1_19.java

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-package com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.data;
+package com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.data;
 
 import com.viaversion.viaversion.api.protocol.Protocol;
 import com.viaversion.viaversion.api.type.Type;

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_18_2to1_19/packets/BlockItemPackets1_19.java

@@ -15,10 +15,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-package com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.packets;
+package com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.packets;
 
 import com.viaversion.viabackwards.api.rewriters.ItemRewriter;
-import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.Protocol1_18_2To1_19_1;
+import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.Protocol1_18_2To1_19;
 import com.viaversion.viaversion.api.data.ParticleMappings;
 import com.viaversion.viaversion.api.data.entity.EntityTracker;
 import com.viaversion.viaversion.api.minecraft.chunks.Chunk;
@@ -32,13 +32,13 @@ import com.viaversion.viaversion.api.type.Type;
 import com.viaversion.viaversion.protocols.protocol1_16to1_15_2.data.RecipeRewriter1_16;
 import com.viaversion.viaversion.protocols.protocol1_17to1_16_4.ServerboundPackets1_17;
 import com.viaversion.viaversion.protocols.protocol1_18to1_17_1.types.Chunk1_18Type;
-import com.viaversion.viaversion.protocols.protocol1_19_1to1_19.ClientboundPackets1_19_1;
+import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.ClientboundPackets1_19;
 import com.viaversion.viaversion.rewriter.BlockRewriter;
 import com.viaversion.viaversion.util.MathUtil;
 
-public final class BlockItemPackets1_19 extends ItemRewriter<Protocol1_18_2To1_19_1> {
+public final class BlockItemPackets1_19 extends ItemRewriter<Protocol1_18_2To1_19> {
 
-    public BlockItemPackets1_19(final Protocol1_18_2To1_19_1 protocol) {
+    public BlockItemPackets1_19(final Protocol1_18_2To1_19 protocol) {
         super(protocol);
     }
 
@@ -46,23 +46,23 @@ public final class BlockItemPackets1_19 extends ItemRewriter<Protocol1_18_2To1_1
     protected void registerPackets() {
         final BlockRewriter blockRewriter = new BlockRewriter(protocol, Type.POSITION1_14);
 
-        new RecipeRewriter1_16(protocol).registerDefaultHandler(ClientboundPackets1_19_1.DECLARE_RECIPES);
+        new RecipeRewriter1_16(protocol).registerDefaultHandler(ClientboundPackets1_19.DECLARE_RECIPES);
 
-        registerSetCooldown(ClientboundPackets1_19_1.COOLDOWN);
+        registerSetCooldown(ClientboundPackets1_19.COOLDOWN);
-        registerWindowItems1_17_1(ClientboundPackets1_19_1.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT, Type.FLAT_VAR_INT_ITEM);
+        registerWindowItems1_17_1(ClientboundPackets1_19.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT, Type.FLAT_VAR_INT_ITEM);
-        registerSetSlot1_17_1(ClientboundPackets1_19_1.SET_SLOT, Type.FLAT_VAR_INT_ITEM);
+        registerSetSlot1_17_1(ClientboundPackets1_19.SET_SLOT, Type.FLAT_VAR_INT_ITEM);
-        registerEntityEquipmentArray(ClientboundPackets1_19_1.ENTITY_EQUIPMENT, Type.FLAT_VAR_INT_ITEM);
+        registerEntityEquipmentArray(ClientboundPackets1_19.ENTITY_EQUIPMENT, Type.FLAT_VAR_INT_ITEM);
-        registerAdvancements(ClientboundPackets1_19_1.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
+        registerAdvancements(ClientboundPackets1_19.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
         registerClickWindow1_17_1(ServerboundPackets1_17.CLICK_WINDOW, Type.FLAT_VAR_INT_ITEM);
 
-        blockRewriter.registerBlockAction(ClientboundPackets1_19_1.BLOCK_ACTION);
+        blockRewriter.registerBlockAction(ClientboundPackets1_19.BLOCK_ACTION);
-        blockRewriter.registerBlockChange(ClientboundPackets1_19_1.BLOCK_CHANGE);
+        blockRewriter.registerBlockChange(ClientboundPackets1_19.BLOCK_CHANGE);
-        blockRewriter.registerVarLongMultiBlockChange(ClientboundPackets1_19_1.MULTI_BLOCK_CHANGE);
+        blockRewriter.registerVarLongMultiBlockChange(ClientboundPackets1_19.MULTI_BLOCK_CHANGE);
-        blockRewriter.registerEffect(ClientboundPackets1_19_1.EFFECT, 1010, 2001);
+        blockRewriter.registerEffect(ClientboundPackets1_19.EFFECT, 1010, 2001);
 
         registerCreativeInvAction(ServerboundPackets1_17.CREATIVE_INVENTORY_ACTION, Type.FLAT_VAR_INT_ITEM);
 
-        protocol.registerClientbound(ClientboundPackets1_19_1.TRADE_LIST, new PacketRemapper() {
+        protocol.registerClientbound(ClientboundPackets1_19.TRADE_LIST, new PacketRemapper() {
             @Override
             public void registerMap() {
                 map(Type.VAR_INT); // Container id
@@ -94,9 +94,9 @@ public final class BlockItemPackets1_19 extends ItemRewriter<Protocol1_18_2To1_1
             }
         });
 
-        registerWindowPropertyEnchantmentHandler(ClientboundPackets1_19_1.WINDOW_PROPERTY);
+        registerWindowPropertyEnchantmentHandler(ClientboundPackets1_19.WINDOW_PROPERTY);
 
-        protocol.registerClientbound(ClientboundPackets1_19_1.BLOCK_CHANGED_ACK, null, new PacketRemapper() {
+        protocol.registerClientbound(ClientboundPackets1_19.BLOCK_CHANGED_ACK, null, new PacketRemapper() {
             @Override
             public void registerMap() {
                 read(Type.VAR_INT); // Sequence
@@ -104,7 +104,7 @@ public final class BlockItemPackets1_19 extends ItemRewriter<Protocol1_18_2To1_1
             }
         });
 
-        protocol.registerClientbound(ClientboundPackets1_19_1.SPAWN_PARTICLE, new PacketRemapper() {
+        protocol.registerClientbound(ClientboundPackets1_19.SPAWN_PARTICLE, new PacketRemapper() {
             @Override
             public void registerMap() {
                 map(Type.VAR_INT, Type.INT); // Particle id
@@ -139,7 +139,7 @@ public final class BlockItemPackets1_19 extends ItemRewriter<Protocol1_18_2To1_1
         });
 
 
-        protocol.registerClientbound(ClientboundPackets1_19_1.CHUNK_DATA, new PacketRemapper() {
+        protocol.registerClientbound(ClientboundPackets1_19.CHUNK_DATA, new PacketRemapper() {
             @Override
             public void registerMap() {
                 handler(wrapper -> {

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

@@ -15,12 +15,12 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-package com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.packets;
+package com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.packets;
 
 import com.viaversion.viabackwards.api.rewriters.EntityRewriter;
-import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.Protocol1_18_2To1_19_1;
+import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.Protocol1_18_2To1_19;
-import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.storage.DimensionRegistryStorage;
+import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.storage.DimensionRegistryStorage;
-import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.storage.StoredPainting;
+import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.storage.StoredPainting;
 import com.viaversion.viaversion.api.data.ParticleMappings;
 import com.viaversion.viaversion.api.data.entity.StoredEntityData;
 import com.viaversion.viaversion.api.minecraft.Position;
@@ -39,22 +39,22 @@ import com.viaversion.viaversion.libs.opennbt.tag.builtin.NumberTag;
 import com.viaversion.viaversion.libs.opennbt.tag.builtin.StringTag;
 import com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag;
 import com.viaversion.viaversion.protocols.protocol1_18to1_17_1.ClientboundPackets1_18;
-import com.viaversion.viaversion.protocols.protocol1_19_1to1_19.ClientboundPackets1_19_1;
+import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.ClientboundPackets1_19;
 
-public final class EntityPackets1_19 extends EntityRewriter<Protocol1_18_2To1_19_1> {
+public final class EntityPackets1_19 extends EntityRewriter<Protocol1_18_2To1_19> {
 
-    public EntityPackets1_19(final Protocol1_18_2To1_19_1 protocol) {
+    public EntityPackets1_19(final Protocol1_18_2To1_19 protocol) {
         super(protocol);
     }
 
     @Override
     protected void registerPackets() {
-        registerTracker(ClientboundPackets1_19_1.SPAWN_EXPERIENCE_ORB, Entity1_19Types.EXPERIENCE_ORB);
+        registerTracker(ClientboundPackets1_19.SPAWN_EXPERIENCE_ORB, Entity1_19Types.EXPERIENCE_ORB);
-        registerTracker(ClientboundPackets1_19_1.SPAWN_PLAYER, Entity1_19Types.PLAYER);
+        registerTracker(ClientboundPackets1_19.SPAWN_PLAYER, Entity1_19Types.PLAYER);
-        registerMetadataRewriter(ClientboundPackets1_19_1.ENTITY_METADATA, Types1_19.METADATA_LIST, Types1_18.METADATA_LIST);
+        registerMetadataRewriter(ClientboundPackets1_19.ENTITY_METADATA, Types1_19.METADATA_LIST, Types1_18.METADATA_LIST);
-        registerRemoveEntities(ClientboundPackets1_19_1.REMOVE_ENTITIES);
+        registerRemoveEntities(ClientboundPackets1_19.REMOVE_ENTITIES);
 
-        protocol.registerClientbound(ClientboundPackets1_19_1.SPAWN_ENTITY, new PacketRemapper() {
+        protocol.registerClientbound(ClientboundPackets1_19.SPAWN_ENTITY, new PacketRemapper() {
             @Override
             public void registerMap() {
                 map(Type.VAR_INT); // Entity id
@@ -98,7 +98,7 @@ public final class EntityPackets1_19 extends EntityRewriter<Protocol1_18_2To1_19
             }
         });
 
-        protocol.registerClientbound(ClientboundPackets1_19_1.ENTITY_EFFECT, new PacketRemapper() {
+        protocol.registerClientbound(ClientboundPackets1_19.ENTITY_EFFECT, new PacketRemapper() {
             @Override
             public void registerMap() {
                 map(Type.VAR_INT); // Entity id
@@ -115,7 +115,7 @@ public final class EntityPackets1_19 extends EntityRewriter<Protocol1_18_2To1_19
             }
         });
 
-        protocol.registerClientbound(ClientboundPackets1_19_1.JOIN_GAME, new PacketRemapper() {
+        protocol.registerClientbound(ClientboundPackets1_19.JOIN_GAME, new PacketRemapper() {
             @Override
             public void registerMap() {
                 map(Type.INT); // Entity ID
@@ -180,7 +180,7 @@ public final class EntityPackets1_19 extends EntityRewriter<Protocol1_18_2To1_19
             }
         });
 
-        protocol.registerClientbound(ClientboundPackets1_19_1.RESPAWN, new PacketRemapper() {
+        protocol.registerClientbound(ClientboundPackets1_19.RESPAWN, new PacketRemapper() {
             @Override
             public void registerMap() {
                 handler(wrapper -> {
@@ -204,7 +204,7 @@ public final class EntityPackets1_19 extends EntityRewriter<Protocol1_18_2To1_19
             }
         });
 
-        protocol.registerClientbound(ClientboundPackets1_19_1.PLAYER_INFO, new PacketRemapper() {
+        protocol.registerClientbound(ClientboundPackets1_19.PLAYER_INFO, new PacketRemapper() {
             @Override
             public void registerMap() {
                 handler(wrapper -> {
@@ -303,7 +303,7 @@ public final class EntityPackets1_19 extends EntityRewriter<Protocol1_18_2To1_19
                 packet.write(Type.BYTE, storedPainting.direction());
                 try {
                     // TODO Race condition
-                    packet.send(Protocol1_18_2To1_19_1.class);
+                    packet.send(Protocol1_18_2To1_19.class);
                 } catch (Exception e) {
                     throw new RuntimeException(e);
                 }
@@ -323,8 +323,6 @@ public final class EntityPackets1_19 extends EntityRewriter<Protocol1_18_2To1_19
         filter().type(Entity1_19Types.WARDEN).cancel(16); // Anger
         mapEntityTypeWithData(Entity1_19Types.WARDEN, Entity1_19Types.IRON_GOLEM).jsonName();
 
-        filter().type(Entity1_19Types.ALLAY).cancel(16); // Dancing
-        filter().type(Entity1_19Types.ALLAY).cancel(17); // Can duplicate
         mapEntityTypeWithData(Entity1_19Types.ALLAY, Entity1_19Types.VEX).jsonName();
 
         filter().type(Entity1_19Types.GOAT).cancel(18);

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_18_2to1_19/storage/DimensionRegistryStorage.java

@@ -15,9 +15,9 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-package com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.storage;
+package com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.storage;
 
-import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.Protocol1_18_2To1_19_1;
+import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.Protocol1_18_2To1_19;
 import com.viaversion.viaversion.api.connection.StorableObject;
 import com.viaversion.viaversion.libs.fastutil.ints.Int2ObjectMap;
 import com.viaversion.viaversion.libs.fastutil.ints.Int2ObjectOpenHashMap;
@@ -42,8 +42,7 @@ public final class DimensionRegistryStorage implements StorableObject {
     }
 
     public @Nullable CompoundTag chatType(final int id) {
-        if (chatTypes.isEmpty()) return Protocol1_18_2To1_19_1.MAPPINGS.chatType(id);
+        return chatTypes.isEmpty() ? Protocol1_18_2To1_19.MAPPINGS.chatType(id) : chatTypes.get(id);
-        return chatTypes.get(id);
     }
 
     public void addChatType(final int id, final CompoundTag chatType) {

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_18_2to1_19/storage/StoredPainting.java

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-package com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.storage;
+package com.viaversion.viabackwards.protocol.protocol1_18_2to1_19.storage;
 
 import com.viaversion.viaversion.api.connection.StorableObject;
 import com.viaversion.viaversion.api.minecraft.Position;

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19to1_19_1/Protocol1_19To1_19_1.java

@@ -15,28 +15,24 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-package com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1;
+package com.viaversion.viabackwards.protocol.protocol1_19to1_19_1;
 
 import com.google.common.base.Preconditions;
 import com.viaversion.viabackwards.ViaBackwards;
 import com.viaversion.viabackwards.api.BackwardsProtocol;
-import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
 import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
-import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.data.BackwardsMappings;
+import com.viaversion.viabackwards.protocol.protocol1_19to1_19_1.packets.EntityPackets1_19_1;
-import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.data.CommandRewriter1_19;
+import com.viaversion.viabackwards.protocol.protocol1_19to1_19_1.storage.ChatRegistryStorage;
-import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.packets.BlockItemPackets1_19;
+import com.viaversion.viabackwards.protocol.protocol1_19to1_19_1.storage.NonceStorage;
-import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.packets.EntityPackets1_19;
+import com.viaversion.viabackwards.protocol.protocol1_19to1_19_1.storage.ReceivedMessagesStorage;
-import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.storage.DimensionRegistryStorage;
-import com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.storage.ReceivedMessagesStorage;
 import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.api.minecraft.PlayerMessageSignature;
-import com.viaversion.viaversion.api.minecraft.RegistryType;
+import com.viaversion.viaversion.api.minecraft.ProfileKey;
 import com.viaversion.viaversion.api.minecraft.entities.Entity1_19Types;
 import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
 import com.viaversion.viaversion.api.protocol.packet.State;
 import com.viaversion.viaversion.api.protocol.remapper.PacketRemapper;
 import com.viaversion.viaversion.api.rewriter.EntityRewriter;
-import com.viaversion.viaversion.api.rewriter.ItemRewriter;
 import com.viaversion.viaversion.api.type.Type;
 import com.viaversion.viaversion.data.entity.EntityTrackerBase;
 import com.viaversion.viaversion.libs.gson.JsonElement;
@@ -49,45 +45,38 @@ import com.viaversion.viaversion.libs.kyori.adventure.text.serializer.gson.GsonC
 import com.viaversion.viaversion.libs.opennbt.tag.builtin.ByteTag;
 import com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag;
 import com.viaversion.viaversion.libs.opennbt.tag.builtin.ListTag;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.NumberTag;
 import com.viaversion.viaversion.libs.opennbt.tag.builtin.StringTag;
 import com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag;
 import com.viaversion.viaversion.protocols.base.ClientboundLoginPackets;
 import com.viaversion.viaversion.protocols.base.ServerboundLoginPackets;
-import com.viaversion.viaversion.protocols.protocol1_17to1_16_4.ServerboundPackets1_17;
-import com.viaversion.viaversion.protocols.protocol1_18to1_17_1.ClientboundPackets1_18;
 import com.viaversion.viaversion.protocols.protocol1_19_1to1_19.ClientboundPackets1_19_1;
 import com.viaversion.viaversion.protocols.protocol1_19_1to1_19.ServerboundPackets1_19_1;
-import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.Protocol1_19To1_18_2;
+import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.ClientboundPackets1_19;
-import com.viaversion.viaversion.rewriter.CommandRewriter;
+import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.ServerboundPackets1_19;
-import com.viaversion.viaversion.rewriter.StatisticsRewriter;
+import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.packets.EntityPackets;
-import com.viaversion.viaversion.rewriter.TagRewriter;
+import com.viaversion.viaversion.util.CipherUtil;
 import org.checkerframework.checker.nullness.qual.Nullable;
 
-import java.time.Instant;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.UUID;
 
-public final class Protocol1_18_2To1_19_1 extends BackwardsProtocol<ClientboundPackets1_19_1, ClientboundPackets1_18, ServerboundPackets1_19_1, ServerboundPackets1_17> {
+public final class Protocol1_19To1_19_1 extends BackwardsProtocol<ClientboundPackets1_19_1, ClientboundPackets1_19, ServerboundPackets1_19_1, ServerboundPackets1_19> {
 
-    public static final BackwardsMappings MAPPINGS = new BackwardsMappings();
+    public static final int SYSTEM_CHAT_ID = 1;
+    public static final int GAME_INFO_ID = 2;
     private static final UUID ZERO_UUID = new UUID(0, 0);
     private static final byte[] EMPTY_BYTES = new byte[0];
-    private final EntityPackets1_19 entityRewriter = new EntityPackets1_19(this);
+    private final EntityPackets1_19_1 entityRewriter = new EntityPackets1_19_1(this);
-    private final BlockItemPackets1_19 blockItemPackets = new BlockItemPackets1_19(this);
     private final TranslatableRewriter translatableRewriter = new TranslatableRewriter(this);
 
-    public Protocol1_18_2To1_19_1() {
+    public Protocol1_19To1_19_1() {
-        super(ClientboundPackets1_19_1.class, ClientboundPackets1_18.class, ServerboundPackets1_19_1.class, ServerboundPackets1_17.class);
+        super(ClientboundPackets1_19_1.class, ClientboundPackets1_19.class, ServerboundPackets1_19_1.class, ServerboundPackets1_19.class);
     }
 
     @Override
     protected void registerPackets() {
-        executeAsyncAfterLoaded(Protocol1_19To1_18_2.class, () -> {
-            MAPPINGS.load();
-            entityRewriter.onMappingDataLoaded();
-        });
-
         translatableRewriter.registerComponentPacket(ClientboundPackets1_19_1.ACTIONBAR);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_19_1.TITLE_TEXT);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_19_1.TITLE_SUBTITLE);
@@ -98,109 +87,40 @@ public final class Protocol1_18_2To1_19_1 extends BackwardsProtocol<ClientboundP
         translatableRewriter.registerCombatKill(ClientboundPackets1_19_1.COMBAT_KILL);
         translatableRewriter.registerPing();
 
-        blockItemPackets.register();
         entityRewriter.register();
 
-        final SoundRewriter soundRewriter = new SoundRewriter(this);
+        registerClientbound(ClientboundPackets1_19_1.JOIN_GAME, new PacketRemapper() {
-        soundRewriter.registerStopSound(ClientboundPackets1_19_1.STOP_SOUND);
-        registerClientbound(ClientboundPackets1_19_1.SOUND, new PacketRemapper() {
-            @Override
-            public void registerMap() {
-                map(Type.VAR_INT); // Sound id
-                map(Type.VAR_INT); // Source
-                map(Type.INT); // X
-                map(Type.INT); // Y
-                map(Type.INT); // Z
-                map(Type.FLOAT); // Volume
-                map(Type.FLOAT); // Pitch
-                read(Type.LONG); // Seed
-                handler(soundRewriter.getSoundHandler());
-            }
-        });
-        registerClientbound(ClientboundPackets1_19_1.ENTITY_SOUND, new PacketRemapper() {
-            @Override
-            public void registerMap() {
-                map(Type.VAR_INT); // Sound id
-                map(Type.VAR_INT); // Source
-                map(Type.VAR_INT); // Entity id
-                map(Type.FLOAT); // Volume
-                map(Type.FLOAT); // Pitch
-                read(Type.LONG); // Seed
-                handler(soundRewriter.getSoundHandler());
-            }
-        });
-        registerClientbound(ClientboundPackets1_19_1.NAMED_SOUND, new PacketRemapper() {
-            @Override
-            public void registerMap() {
-                map(Type.STRING); // Sound name
-                map(Type.VAR_INT); // Source
-                map(Type.INT); // X
-                map(Type.INT); // Y
-                map(Type.INT); // Z
-                map(Type.FLOAT); // Volume
-                map(Type.FLOAT); // Pitch
-                read(Type.LONG); // Seed
-                handler(soundRewriter.getNamedSoundHandler());
-            }
-        });
-
-        final TagRewriter tagRewriter = new TagRewriter(this);
-        tagRewriter.removeTags("minecraft:banner_pattern");
-        tagRewriter.removeTags("minecraft:instrument");
-        tagRewriter.removeTags("minecraft:cat_variant");
-        tagRewriter.removeTags("minecraft:painting_variant");
-        tagRewriter.addEmptyTag(RegistryType.BLOCK, "minecraft:polar_bears_spawnable_on_in_frozen_ocean");
-        tagRewriter.renameTag(RegistryType.BLOCK, "minecraft:wool_carpets", "minecraft:carpets");
-        tagRewriter.renameTag(RegistryType.ITEM, "minecraft:wool_carpets", "minecraft:carpets");
-        tagRewriter.addEmptyTag(RegistryType.ITEM, "minecraft:occludes_vibration_signals");
-        tagRewriter.registerGeneric(ClientboundPackets1_19_1.TAGS);
-
-        new StatisticsRewriter(this).register(ClientboundPackets1_19_1.STATISTICS);
-
-        final CommandRewriter commandRewriter = new CommandRewriter1_19(this);
-        registerClientbound(ClientboundPackets1_19_1.DECLARE_COMMANDS, new PacketRemapper() {
             @Override
             public void registerMap() {
+                map(Type.INT); // Entity ID
+                map(Type.BOOLEAN); // Hardcore
+                map(Type.UNSIGNED_BYTE); // Gamemode
+                map(Type.BYTE); // Previous Gamemode
+                map(Type.STRING_ARRAY); // World List
+                map(Type.NBT); // Dimension registry
+                map(Type.STRING); // Dimension key
+                map(Type.STRING); // World
                 handler(wrapper -> {
-                    final int size = wrapper.passthrough(Type.VAR_INT);
+                    final ChatRegistryStorage chatTypeStorage = wrapper.user().get(ChatRegistryStorage.class);
-                    for (int i = 0; i < size; i++) {
+                    chatTypeStorage.clear();
-                        final byte flags = wrapper.passthrough(Type.BYTE);
+
-                        wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE); // Children indices
+                    final CompoundTag registry = wrapper.get(Type.NBT, 0);
-                        if ((flags & 0x08) != 0) {
+                    final ListTag chatTypes = ((CompoundTag) registry.get("minecraft:chat_type")).get("value");
-                            wrapper.passthrough(Type.VAR_INT); // Redirect node index
+                    for (final Tag chatType : chatTypes) {
+                        final CompoundTag chatTypeCompound = (CompoundTag) chatType;
+                        final NumberTag idTag = chatTypeCompound.get("id");
+                        chatTypeStorage.addChatType(idTag.asInt(), chatTypeCompound);
                     }
 
-                        final int nodeType = flags & 0x03;
+                    // Replace with 1.19 chat types
-                        if (nodeType == 1 || nodeType == 2) { // Literal/argument node
+                    // Ensures that the client has a chat type for system message, with and without overlay
-                            wrapper.passthrough(Type.STRING); // Name
+                    registry.put("minecraft:chat_type", EntityPackets.CHAT_REGISTRY.clone());
-                        }
-
-                        if (nodeType == 2) { // Argument node
-                            final int argumentTypeId = wrapper.read(Type.VAR_INT);
-                            String argumentType = MAPPINGS.argumentType(argumentTypeId);
-                            if (argumentType == null) {
-                                ViaBackwards.getPlatform().getLogger().warning("Unknown command argument type id: " + argumentTypeId);
-                                argumentType = "minecraft:no";
-                            }
-
-                            wrapper.write(Type.STRING, commandRewriter.handleArgumentType(argumentType));
-                            commandRewriter.handleArgument(wrapper, argumentType);
-
-                            if ((flags & 0x10) != 0) {
-                                wrapper.passthrough(Type.STRING); // Suggestion type
-                            }
-                        }
-                    }
-
-                    wrapper.passthrough(Type.VAR_INT); // Root node index
                 });
+                handler(entityRewriter.worldTrackerHandlerByKey());
             }
         });
 
-        cancelClientbound(ClientboundPackets1_19_1.SERVER_DATA);
+        registerClientbound(ClientboundPackets1_19_1.PLAYER_CHAT, ClientboundPackets1_19.SYSTEM_CHAT, new PacketRemapper() {
-        cancelClientbound(ClientboundPackets1_19_1.CHAT_PREVIEW);
-        cancelClientbound(ClientboundPackets1_19_1.SET_DISPLAY_CHAT_PREVIEW);
-        registerClientbound(ClientboundPackets1_19_1.PLAYER_CHAT, ClientboundPackets1_18.CHAT_MESSAGE, new PacketRemapper() {
             @Override
             public void registerMap() {
                 handler(wrapper -> {
@@ -222,7 +142,7 @@ public final class Protocol1_18_2To1_19_1 extends BackwardsProtocol<ClientboundP
                             final PacketWrapper chatAckPacket = wrapper.create(ServerboundPackets1_19_1.CHAT_ACK);
                             chatAckPacket.write(Type.PLAYER_MESSAGE_SIGNATURE_ARRAY, messagesStorage.lastSignatures());
                             chatAckPacket.write(Type.OPTIONAL_PLAYER_MESSAGE_SIGNATURE, null);
-                            chatAckPacket.sendToServer(Protocol1_18_2To1_19_1.class);
+                            chatAckPacket.sendToServer(Protocol1_19To1_19_1.class);
                         }
                     }
 
@@ -263,13 +183,12 @@ public final class Protocol1_18_2To1_19_1 extends BackwardsProtocol<ClientboundP
 
                     translatableRewriter.processText(decoratedMessage);
                     wrapper.write(Type.COMPONENT, decoratedMessage);
-                    wrapper.write(Type.BYTE, (byte) 1);
+                    wrapper.write(Type.VAR_INT, SYSTEM_CHAT_ID);
-                    wrapper.write(Type.UUID, signature.uuid());
                 });
             }
         });
 
-        registerClientbound(ClientboundPackets1_19_1.SYSTEM_CHAT, ClientboundPackets1_18.CHAT_MESSAGE, new PacketRemapper() {
+        registerClientbound(ClientboundPackets1_19_1.SYSTEM_CHAT, new PacketRemapper() {
             @Override
             public void registerMap() {
                 handler(wrapper -> {
@@ -277,28 +196,47 @@ public final class Protocol1_18_2To1_19_1 extends BackwardsProtocol<ClientboundP
                     translatableRewriter.processText(content);
 
                     final boolean overlay = wrapper.read(Type.BOOLEAN);
-                    wrapper.write(Type.BYTE, overlay ? (byte) 2 : (byte) 0);
+                    wrapper.write(Type.VAR_INT, overlay ? GAME_INFO_ID : SYSTEM_CHAT_ID);
                 });
-                create(Type.UUID, ZERO_UUID); // Sender
             }
         });
 
-        registerServerbound(ServerboundPackets1_17.CHAT_MESSAGE, new PacketRemapper() {
+        registerServerbound(ServerboundPackets1_19.CHAT_MESSAGE, new PacketRemapper() {
             @Override
             public void registerMap() {
                 map(Type.STRING); // Message
-                create(Type.LONG, Instant.now().toEpochMilli()); // Timestamp
+                map(Type.LONG); // Timestamp
-                create(Type.LONG, 0L); // Salt
+                map(Type.LONG); // Salt
+                // Set empty signature
+                read(Type.BYTE_ARRAY_PRIMITIVE);
+                create(Type.BYTE_ARRAY_PRIMITIVE, EMPTY_BYTES);
+                map(Type.BOOLEAN); // Signed preview
                 handler(wrapper -> {
-                    final String message = wrapper.get(Type.STRING, 0);
+                    final ReceivedMessagesStorage messagesStorage = wrapper.user().get(ReceivedMessagesStorage.class);
-                    if (!message.isEmpty() && message.charAt(0) == '/') {
+                    messagesStorage.resetUnacknowledgedCount();
-                        wrapper.setPacketType(ServerboundPackets1_19_1.CHAT_COMMAND);
+                    wrapper.write(Type.PLAYER_MESSAGE_SIGNATURE_ARRAY, messagesStorage.lastSignatures());
-                        wrapper.set(Type.STRING, 0, message.substring(1));
+                    wrapper.write(Type.OPTIONAL_PLAYER_MESSAGE_SIGNATURE, null); // No last unacknowledged
-                        wrapper.write(Type.VAR_INT, 0); // No signatures
+                });
-                    } else {
-                        wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, EMPTY_BYTES); // Signature
             }
-                    wrapper.write(Type.BOOLEAN, false); // No signed preview
+        });
+
+        registerServerbound(ServerboundPackets1_19.CHAT_COMMAND, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.STRING); // Command
+                map(Type.LONG); // Timestamp
+                map(Type.LONG); // Salt
+                handler(wrapper -> {
+                    final int signatures = wrapper.passthrough(Type.VAR_INT);
+                    for (int i = 0; i < signatures; i++) {
+                        wrapper.passthrough(Type.STRING); // Argument name
+
+                        // Set empty signature
+                        wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
+                        wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, EMPTY_BYTES);
+                    }
+
+                    wrapper.passthrough(Type.BOOLEAN); // Signed preview
 
                     final ReceivedMessagesStorage messagesStorage = wrapper.user().get(ReceivedMessagesStorage.class);
                     messagesStorage.resetUnacknowledgedCount();
@@ -308,22 +246,13 @@ public final class Protocol1_18_2To1_19_1 extends BackwardsProtocol<ClientboundP
             }
         });
 
-        // Login changes
+        registerClientbound(ClientboundPackets1_19_1.SERVER_DATA, new PacketRemapper() {
-        registerClientbound(State.LOGIN, ClientboundLoginPackets.GAME_PROFILE.getId(), ClientboundLoginPackets.GAME_PROFILE.getId(), new PacketRemapper() {
             @Override
             public void registerMap() {
-                map(Type.UUID); // UUID
+                map(Type.OPTIONAL_COMPONENT); // Motd
-                map(Type.STRING); // Name
+                map(Type.OPTIONAL_STRING); // Encoded icon
-                handler(wrapper -> {
+                map(Type.BOOLEAN); // Previews chat
-                    final int properties = wrapper.read(Type.VAR_INT);
+                read(Type.BOOLEAN); // Enforces secure chat
-                    for (int i = 0; i < properties; i++) {
-                        wrapper.read(Type.STRING); // Name
-                        wrapper.read(Type.STRING); // Value
-                        if (wrapper.read(Type.BOOLEAN)) {
-                            wrapper.read(Type.STRING); // Signature
-                        }
-                    }
-                });
             }
         });
 
@@ -331,17 +260,57 @@ public final class Protocol1_18_2To1_19_1 extends BackwardsProtocol<ClientboundP
             @Override
             public void registerMap() {
                 map(Type.STRING); // Name
-                // Write empty profile key and uuid - requires the enforce-secure-profiles option to be disabled on the server
+                handler(wrapper -> {
+                    final ProfileKey profileKey = wrapper.read(Type.OPTIONAL_PROFILE_KEY);
+                    if (profileKey == null) {
+                        wrapper.user().put(new NonceStorage(null));
+                    }
+                });
+                // Write empty profile key and uuid (since keys are not compatible) - requires the enforce-secure-profiles option to be disabled on the server
                 create(Type.OPTIONAL_PROFILE_KEY, null);
                 create(Type.OPTIONAL_UUID, null);
             }
         });
 
+        registerClientbound(State.LOGIN, ClientboundLoginPackets.HELLO.getId(), ClientboundLoginPackets.HELLO.getId(), new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                map(Type.STRING); // Server id
+                handler(wrapper -> {
+                    if (wrapper.user().get(NonceStorage.class) != null) {
+                        // Is already using the encrypted nonce
+                        return;
+                    }
+
+                    final byte[] publicKey = wrapper.passthrough(Type.BYTE_ARRAY_PRIMITIVE);
+                    final byte[] nonce = wrapper.passthrough(Type.BYTE_ARRAY_PRIMITIVE);
+                    wrapper.user().put(new NonceStorage(CipherUtil.encryptNonce(publicKey, nonce)));
+                });
+            }
+        });
+
         registerServerbound(State.LOGIN, ServerboundLoginPackets.ENCRYPTION_KEY.getId(), ServerboundLoginPackets.ENCRYPTION_KEY.getId(), new PacketRemapper() {
             @Override
             public void registerMap() {
-                map(Type.BYTE_ARRAY_PRIMITIVE); // Keys
+                map(Type.BYTE_ARRAY_PRIMITIVE); // Key
-                create(Type.BOOLEAN, true); // Is nonce
+                handler(wrapper -> {
+                    final NonceStorage nonceStorage = wrapper.user().remove(NonceStorage.class);
+                    final boolean isNonce = wrapper.read(Type.BOOLEAN);
+                    wrapper.write(Type.BOOLEAN, true);
+                    if (isNonce) {
+                        // Nonce, just pass it through
+                        wrapper.passthrough(Type.BYTE_ARRAY_PRIMITIVE);
+                        return;
+                    }
+
+                    if (nonceStorage == null || nonceStorage.nonce() == null) {
+                        throw new IllegalArgumentException("Server sent nonce is missing");
+                    }
+
+                    wrapper.read(Type.LONG); // Salt
+                    wrapper.read(Type.BYTE_ARRAY_PRIMITIVE); // Signature
+                    wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, nonceStorage.nonce());
+                });
             }
         });
 
@@ -351,7 +320,7 @@ public final class Protocol1_18_2To1_19_1 extends BackwardsProtocol<ClientboundP
                 map(Type.VAR_INT);
                 map(Type.STRING);
                 handler(wrapper -> {
-                    String identifier = wrapper.get(Type.STRING, 0);
+                    final String identifier = wrapper.get(Type.STRING, 0);
                     if (identifier.equals("velocity:player_info")) {
                         byte[] data = wrapper.passthrough(Type.REMAINING_BYTES);
                         // Velocity modern forwarding version above 1 includes the players public key.
@@ -365,7 +334,7 @@ public final class Protocol1_18_2To1_19_1 extends BackwardsProtocol<ClientboundP
                         if (data.length == 1 && data[0] > 1) {
                             data[0] = 1;
                         } else if (data.length == 0) { // Or the version is omitted (default version would be used)
-                            data = new byte[] { 1 };
+                            data = new byte[]{1};
                             wrapper.set(Type.REMAINING_BYTES, 0, data);
                         } else {
                             ViaBackwards.getPlatform().getLogger().warning("Received unexpected data in velocity:player_info (length=" + data.length + ")");
@@ -382,16 +351,11 @@ public final class Protocol1_18_2To1_19_1 extends BackwardsProtocol<ClientboundP
 
     @Override
     public void init(final UserConnection user) {
-        user.put(new DimensionRegistryStorage());
+        user.put(new ChatRegistryStorage());
         user.put(new ReceivedMessagesStorage());
         addEntityTracker(user, new EntityTrackerBase(user, Entity1_19Types.PLAYER, true));
     }
 
-    @Override
-    public BackwardsMappings getMappingData() {
-        return MAPPINGS;
-    }
-
     @Override
     public TranslatableRewriter getTranslatableRewriter() {
         return translatableRewriter;
@@ -402,15 +366,8 @@ public final class Protocol1_18_2To1_19_1 extends BackwardsProtocol<ClientboundP
         return entityRewriter;
     }
 
-    @Override
-    public ItemRewriter getItemRewriter() {
-        return blockItemPackets;
-    }
-
     private @Nullable JsonElement decorateChatMessage(final PacketWrapper wrapper, final int chatTypeId, final JsonElement senderName, @Nullable final JsonElement targetName, final JsonElement message) {
-        translatableRewriter.processText(message);
+        CompoundTag chatType = wrapper.user().get(ChatRegistryStorage.class).chatType(chatTypeId);
-
-        CompoundTag chatType = wrapper.user().get(DimensionRegistryStorage.class).chatType(chatTypeId);
         if (chatType == null) {
             ViaBackwards.getPlatform().getLogger().warning("Chat message has unknown chat type id " + chatTypeId + ". Message: " + message);
             return null;

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19to1_19_1/packets/EntityPackets1_19_1.java

@@ -0,0 +1,51 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2022 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viabackwards.protocol.protocol1_19to1_19_1.packets;
+
+import com.viaversion.viabackwards.api.rewriters.EntityRewriter;
+import com.viaversion.viabackwards.protocol.protocol1_19to1_19_1.Protocol1_19To1_19_1;
+import com.viaversion.viaversion.api.minecraft.entities.Entity1_19Types;
+import com.viaversion.viaversion.api.minecraft.entities.EntityType;
+import com.viaversion.viaversion.api.type.types.version.Types1_19;
+import com.viaversion.viaversion.protocols.protocol1_19_1to1_19.ClientboundPackets1_19_1;
+
+public final class EntityPackets1_19_1 extends EntityRewriter<Protocol1_19To1_19_1> {
+
+    public EntityPackets1_19_1(final Protocol1_19To1_19_1 protocol) {
+        super(protocol);
+    }
+
+    @Override
+    protected void registerPackets() {
+        registerMetadataRewriter(ClientboundPackets1_19_1.ENTITY_METADATA, Types1_19.METADATA_LIST);
+        registerRemoveEntities(ClientboundPackets1_19_1.REMOVE_ENTITIES);
+        registerSpawnTracker(ClientboundPackets1_19_1.SPAWN_ENTITY);
+    }
+
+    @Override
+    public void registerRewrites() {
+        filter().type(Entity1_19Types.ALLAY).cancel(16); // Dancing
+        filter().type(Entity1_19Types.ALLAY).cancel(17); // Can duplicate
+    }
+
+    @Override
+    public EntityType typeFromId(final int typeId) {
+        return Entity1_19Types.getTypeFromId(typeId);
+    }
+
+}

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19to1_19_1/storage/ChatRegistryStorage.java

@@ -0,0 +1,47 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2022 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viabackwards.protocol.protocol1_19to1_19_1.storage;
+
+import com.viaversion.viaversion.api.connection.StorableObject;
+import com.viaversion.viaversion.libs.fastutil.ints.Int2ObjectMap;
+import com.viaversion.viaversion.libs.fastutil.ints.Int2ObjectOpenHashMap;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag;
+import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.Protocol1_19To1_18_2;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+public final class ChatRegistryStorage implements StorableObject {
+
+    private final Int2ObjectMap<CompoundTag> chatTypes = new Int2ObjectOpenHashMap<>();
+
+    public @Nullable CompoundTag chatType(final int id) {
+        return chatTypes.isEmpty() ? Protocol1_19To1_18_2.MAPPINGS.chatType(id) : chatTypes.get(id);
+    }
+
+    public void addChatType(final int id, final CompoundTag chatType) {
+        chatTypes.put(id, chatType);
+    }
+
+    public void clear() {
+        chatTypes.clear();
+    }
+
+    @Override
+    public boolean clearOnServerSwitch() {
+        return false;
+    }
+}

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19to1_19_1/storage/NonceStorage.java

@@ -0,0 +1,34 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2022 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viabackwards.protocol.protocol1_19to1_19_1.storage;
+
+import com.viaversion.viaversion.api.connection.StorableObject;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+public final class NonceStorage implements StorableObject {
+
+    private final byte[] nonce;
+
+    public NonceStorage(final byte @Nullable[] nonce) {
+        this.nonce = nonce;
+    }
+
+    public byte @Nullable [] nonce() {
+        return nonce;
+    }
+}

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_19to1_19_1/storage/ReceivedMessagesStorage.java

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-package com.viaversion.viabackwards.protocol.protocol1_18_2to1_19_1.storage;
+package com.viaversion.viabackwards.protocol.protocol1_19to1_19_1.storage;
 
 import com.viaversion.viaversion.api.connection.StorableObject;
 import com.viaversion.viaversion.api.minecraft.PlayerMessageSignature;

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

@@ -3,8 +3,9 @@
     "gui.acknowledge": "Acknowledge",
     "gui.socialInteractions.report": "Report",
     "gui.socialInteractions.tooltip.report": "Report player",
-    "gui.socialInteractions.tooltip.report.disabled": "Cannot create report: reporting service unavailable",
+    "gui.socialInteractions.tooltip.report.disabled": "The reporting service is unavailable",
-    "gui.socialInteractions.tooltip.report.no_messages": "Cannot create report: no recent messages from player %s",
+    "gui.socialInteractions.tooltip.report.no_messages": "No reportable messages from player %s",
+    "gui.socialInteractions.tooltip.report.not_reportable": "This player can't be reported, because their chat messages can't be verified on this server",
     "gui.socialInteractions.narration.hide": "Hide messages from %s",
     "gui.socialInteractions.narration.show": "Show messages from %s",
     "gui.socialInteractions.narration.report": "Report player %s",
@@ -75,6 +76,30 @@
     "gui.banned.description.temporary": "%s Until then, you can<61>t play online or join Realms.",
     "gui.banned.description.permanent": "Your account is permanently banned, which means you can<61>t play online or join Realms.",
     "menu.playerReporting": "Player Reporting",
+    "multiplayer.disconnect.unsigned_chat": "Received chat packet with missing or invalid signature.",
+    "multiplayer.disconnect.too_many_pending_chats": "Too many unacknowledged chat messages",
+    "multiplayer.disconnect.chat_validation_failed": "Chat message validation failure",
+    "multiplayer.unsecureserver.toast.title": "Chat messages can't be verified",
+    "multiplayer.unsecureserver.toast": "Messages sent on this server may be modified and might not reflect the original message",
+    "chat.previewInput": "Press [%s] to preview",
+    "chat.tag.not_secure": "This message is not secure, which means that it might have been modified by the server",
+    "chat.tag.modified": "This message has been modified by the server.",
+    "chat.tag.modified.original": "Original text: %s",
+    "chat.tag.filtered": "This message has been filtered by the server.",
+    "chat.filtered_full": "The server has hidden your message for some players.",
+    "disconnect.loginFailedInfo.userBanned": "You are banned from playing online",
+    "options.chatPreview.live": "While Typing",
+    "options.chatPreview.confirm": "When Sending",
+    "options.chatPreview.tooltip.off": "Any modifications applied to your chat messages by a server will not be previewed and will be treated as insecure.",
+    "options.chatPreview.tooltip.live": "If a server uses Chat Previews: Any modifications applied to your chat messages by a server will be dynamically sent for previewing as the chat message is typed.",
+    "options.chatPreview.tooltip.confirm": "If a server uses Chat Previews: A chat preview is only generated when attempting to send a message that does not have a preview or is waiting for a preview.\nSending the message requires confirmation.",
+    "title.multiplayer.disabled.banned.temporary": "Your account is temporarily suspended from online play",
+    "title.multiplayer.disabled.banned.permanent": "Your account is permanently suspended from online play",
+    "gui.minutes": "%s minute(s)",
+    "gui.hours": "%s hour(s)",
+    "gui.days": "%s day(s)"
+  },
+  "1.19": {
     "selectWorld.loading_list": "Loading world list",
     "flat_world_preset.unknown": "???",
     "flat_world_preset.minecraft.classic_flat": "Classic Flat",
@@ -97,37 +122,22 @@
     "multiplayer.disconnect.invalid_public_key_signature": "Invalid signature for profile public key.\nTry restarting your game.",
     "multiplayer.disconnect.invalid_public_key": "Unable to parse profile public key.",
     "multiplayer.disconnect.out_of_order_chat": "Out-of-order chat packet received. Did your system time change?",
-    "multiplayer.disconnect.unsigned_chat": "Received chat packet with missing or invalid signature.",
-    "multiplayer.disconnect.too_many_pending_chats": "Too many unacknowledged chat messages",
-    "multiplayer.disconnect.chat_validation_failed": "Chat message validation failure",
-    "multiplayer.unsecureserver.toast.title": "Chat messages can't be verified",
-    "multiplayer.unsecureserver.toast": "Messages sent on this server may be modified and might not reflect the original message",
     "chatPreview.warning.title": "This server uses Chat Preview",
-    "chatPreview.warning.content": "Chat Preview allows the server to see your messages before they are sent to other players. This allows a server to send you a preview of your chat messages with custom modifications and styling applied.\n\nThe Chat Preview behavior can be changed in your Chat Settings. Current setting is: [%s]",
+    "chatPreview.warning.content": "Chat Preview allows the server to see your messages in real time as you type them, even before they<65>re sent. This is often used to preview your message with styling applied.\n\nChat Preview is on by default, but can be turned off in Chat Settings.",
     "chatPreview.warning.check": "Do not notify again for this server",
     "chatPreview.warning.toast.title": "Chat Preview is enabled",
     "chatPreview.warning.toast": "This server uses Chat Preview and can see your messages as you type them, even before they're sent. You can turn this off in Chat Settings.",
     "chat.disabled.profile.moreInfo": "Chat not allowed by account settings. Cannot send or view messages.",
-    "chat.previewInput": "Press [%s] to preview",
+    "chat.preview": "Type to preview",
-    "chat.tag.not_secure": "This message is not secure, which means that it might have been modified by the server",
-    "chat.tag.modified": "This message has been modified by the server.",
-    "chat.tag.modified.original": "Original text: %s",
-    "disconnect.loginFailedInfo.userBanned": "You are banned from playing online",
     "options.darknessEffectScale": "Darkness Pulsing",
     "options.darknessEffectScale.tooltip": "Controls how much the Darkness effect pulses when a Warden or Sculk Shrieker gives it to you.",
     "options.chatPreview": "Chat Preview",
-    "options.chatPreview.live": "While Typing",
+    "options.chatPreview.tooltip": "Chat Preview allows servers to see your messages as you type, which allows them to style your message. You can still chat if you turn this off.",
-    "options.chatPreview.confirm": "When Sending",
-    "options.chatPreview.tooltip.off": "Any modifications applied to your chat messages by a server will not be previewed and will be treated as insecure.",
-    "options.chatPreview.tooltip.live": "If a server uses Chat Previews: Any modifications applied to your chat messages by a server will be dynamically sent for previewing as the chat message is typed.",
-    "options.chatPreview.tooltip.confirm": "If a server uses Chat Previews: A chat preview is only generated when attempting to send a message that does not have a preview or is waiting for a preview.\nSending the message requires confirmation.",
     "options.onlyShowSecureChat": "Only Show Secure Chat",
     "options.onlyShowSecureChat.tooltip": "Only display messages from other players that can be verified to have been sent by that player, and have not been modified.",
     "options.directionalAudio": "Directional Audio",
     "options.directionalAudio.on.tooltip": "Uses HRTF-based directional audio to improve the simulation of 3D sound. Requires HRTF compatible audio hardware, and is best experienced with headphones.",
     "options.directionalAudio.off.tooltip": "Classic Stereo sound",
-    "title.multiplayer.disabled.banned.temporary": "Your account is temporarily suspended from online play",
-    "title.multiplayer.disabled.banned.permanent": "Your account is permanently suspended from online play",
     "block.minecraft.mangrove_planks": "Mangrove Planks",
     "block.minecraft.mangrove_propagule": "Mangrove Propagule",
     "block.minecraft.mangrove_door": "Mangrove Door",
@@ -174,7 +184,7 @@
     "item.minecraft.mangrove_chest_boat": "Mangrove Boat with Chest",
     "item.minecraft.recovery_compass": "Recovery Compass",
     "item.minecraft.music_disc_5": "Music Disc",
-    "item.minecraft.music_disc_5.desc": "Samuel Åberg - 5",
+    "item.minecraft.music_disc_5.desc": "Samuel <EFBFBD>berg - 5",
     "item.minecraft.disc_fragment_5": "Disc Fragment",
     "item.minecraft.disc_fragment_5.desc": "Music Disc - 5",
     "item.minecraft.allay_spawn_egg": "Allay Spawn Egg",
@@ -204,9 +214,6 @@
     "death.attack.sting.item": "%1$s was stung to death by %2$s using %3$s",
     "effect.minecraft.darkness": "Darkness",
     "enchantment.minecraft.swift_sneak": "Swift Sneak",
-    "gui.minutes": "%s minute(s)",
-    "gui.hours": "%s hour(s)",
-    "gui.days": "%s day(s)",
     "subtitles.block.frogspawn.hatch": "Tadpole hatches",
     "subtitles.block.sculk.charge": "Sculk bubbles",
     "subtitles.block.sculk.spread": "Sculk spreads",