1.20.2

build.gradle

@@ -29,7 +29,7 @@ dependencies {
 	// Fabric API. This is technically optional, but you probably want it anyway.
 	modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
 
-	modImplementation include("net.kyori:adventure-platform-fabric:5.8.0") // for Minecraft 1.19.4
+	modImplementation include("net.kyori:adventure-platform-fabric:5.10.0") // for Minecraft 1.20.2
 
 	modImplementation include("net.kyori:adventure-text-serializer-legacy:4.13.1")
 

gradle.properties

@@ -4,9 +4,9 @@ org.gradle.parallel=true
 
 # Fabric Properties
 	# check these on https://fabricmc.net/develop
-	minecraft_version=1.20.1
+	minecraft_version=1.20.2
-	yarn_mappings=1.20.1+build.9
+	yarn_mappings=1.20.2+build.1
-	loader_version=0.14.21
+	loader_version=0.14.22
 
 # Mod Properties
 	mod_version = 1.0.0
@@ -14,6 +14,6 @@ org.gradle.parallel=true
 	archives_base_name = chipmunkmod
 
 # Dependencies
-	fabric_version=0.84.0+1.20.1
+	fabric_version=0.89.2+1.20.2
 
 

src/main/java/land/chipmunk/chipmunkmod/commands/UsernameCommand.java

@@ -11,14 +11,15 @@ import net.fabricmc.fabric.api.client.command.v2.FabricClientCommandSource;
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.client.gui.screen.ConnectScreen;
 import net.minecraft.client.gui.screen.TitleScreen;
-import net.minecraft.client.gui.screen.multiplayer.MultiplayerScreen;
 import net.minecraft.client.network.ServerInfo;
 import net.minecraft.client.network.ServerAddress;
-import net.minecraft.client.util.Session;
+import net.minecraft.client.session.Session;
 import net.minecraft.text.Text;
 import com.mojang.brigadier.exceptions.CommandSyntaxException;
 import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
 import java.util.Optional;
+import java.util.UUID;
+
 import land.chipmunk.chipmunkmod.mixin.MinecraftClientAccessor;
 
 public class UsernameCommand {
@@ -45,7 +46,7 @@ public class UsernameCommand {
   public static int updateUsername (CommandContext<FabricClientCommandSource> context) throws CommandSyntaxException {
     final String username = getString(context, "username");
     if (username.length() > 16) throw USERNAME_TOO_LONG.create();
-    final Session session = new Session(username, "", "", Optional.empty(), Optional.empty(), Session.AccountType.MOJANG);
+    final Session session = new Session(username, new UUID(0L, 0L), "", Optional.empty(), Optional.empty(), Session.AccountType.MOJANG);
     return updateSession(context, session);
   }
 

src/main/java/land/chipmunk/chipmunkmod/mixin/ClientPlayNetworkHandlerAccessor.java

@@ -16,9 +16,6 @@ public interface ClientPlayNetworkHandlerAccessor {
   @Accessor("CHAT_VALIDATION_FAILED_TEXT")
   static Text chatValidationFailedText () { throw new AssertionError(); }
 
-  @Accessor("connection")
-  ClientConnection connection();
-
   @Accessor("playerListEntries")
   Map<UUID, PlayerListEntry> playerListEntries();
 

src/main/java/land/chipmunk/chipmunkmod/mixin/ClientPlayNetworkHandlerMixin.java

@@ -1,6 +1,5 @@
 package land.chipmunk.chipmunkmod.mixin;
 
-import com.mojang.authlib.GameProfile;
 import land.chipmunk.chipmunkmod.ChipmunkMod;
 import land.chipmunk.chipmunkmod.command.CommandManager;
 import land.chipmunk.chipmunkmod.listeners.Listener;
@@ -8,26 +7,21 @@ import land.chipmunk.chipmunkmod.listeners.ListenerManager;
 import land.chipmunk.chipmunkmod.modules.*;
 import net.kyori.adventure.text.TextComponent;
 import net.minecraft.client.MinecraftClient;
-import net.minecraft.client.gui.screen.Screen;
-import net.minecraft.client.network.ClientDynamicRegistryType;
-import net.minecraft.client.network.ServerInfo;
-import net.minecraft.client.util.telemetry.WorldSession;
 import net.minecraft.command.CommandRegistryAccess;
-import net.minecraft.network.ClientConnection;
 import net.minecraft.network.encryption.NetworkEncryptionUtils;
 import net.minecraft.network.message.LastSeenMessagesCollector;
 import net.minecraft.network.message.MessageBody;
 import net.minecraft.network.message.MessageChain;
 import net.minecraft.network.message.MessageSignatureData;
-import net.minecraft.network.packet.Packet;
 import net.minecraft.network.packet.c2s.play.ChatMessageC2SPacket;
 import net.minecraft.network.packet.s2c.play.GameJoinS2CPacket;
 import net.minecraft.network.packet.s2c.play.GameMessageS2CPacket;
 import net.minecraft.network.packet.s2c.play.PlayerRemoveS2CPacket;
-import net.minecraft.registry.CombinedDynamicRegistries;
+import net.minecraft.registry.DynamicRegistryManager;
 import net.minecraft.resource.featuretoggle.FeatureSet;
 import net.minecraft.text.Text;
 import net.minecraft.text.TranslatableTextContent;
+import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
@@ -38,22 +32,16 @@ import java.time.Instant;
 
 @Mixin(value = net.minecraft.client.network.ClientPlayNetworkHandler.class, priority = 1001)
 public class ClientPlayNetworkHandlerMixin {
+  @Final
   @Shadow private FeatureSet enabledFeatures;
-  @Shadow private CombinedDynamicRegistries<ClientDynamicRegistryType> combinedDynamicRegistries;
+  @Final
+  @Shadow private DynamicRegistryManager.Immutable combinedDynamicRegistries;
   @Shadow private LastSeenMessagesCollector lastSeenMessagesCollector;
   @Shadow private MessageChain.Packer messagePacker;
 
-  @Shadow
-  public void sendPacket(Packet<?> packet) {}
-
-  @Inject(method = "<init>", at = @At("TAIL"))
-  private void init (MinecraftClient client, Screen screen, ClientConnection connection, ServerInfo serverInfo, GameProfile profile, WorldSession worldSession, CallbackInfo ci) {
-
-  }
-
   @Inject(method = "onGameJoin", at = @At("TAIL"))
   private void onGameJoin (GameJoinS2CPacket packet, CallbackInfo ci) {
-    final CommandRegistryAccess commandRegistryAccess = CommandRegistryAccess.of(this.combinedDynamicRegistries.getCombinedRegistryManager(), this.enabledFeatures);
+    final CommandRegistryAccess commandRegistryAccess = CommandRegistryAccess.of(this.combinedDynamicRegistries, this.enabledFeatures);
 
     KaboomCheck.INSTANCE.onJoin();
     CommandManager.INSTANCE = new CommandManager(ChipmunkMod.CONFIG.commands.prefix, commandRegistryAccess);
@@ -69,7 +57,6 @@ public class ClientPlayNetworkHandlerMixin {
   @Inject(method = "onPlayerRemove", at = @At("HEAD"), cancellable = true)
   private void onPlayerRemove (PlayerRemoveS2CPacket packet, CallbackInfo ci) { ci.cancel(); }
 
-
   @Inject(method = "onGameMessage", at = @At("HEAD"), cancellable = true)
   private void onGameMessage (GameMessageS2CPacket packet, CallbackInfo ci) {
     final Text message = packet.content();
@@ -129,7 +116,7 @@ public class ClientPlayNetworkHandlerMixin {
       long l = NetworkEncryptionUtils.SecureRandomUtil.nextLong();
       LastSeenMessagesCollector.LastSeenMessages lastSeenMessages = this.lastSeenMessagesCollector.collect();
       MessageSignatureData messageSignatureData = this.messagePacker.pack(new MessageBody(content, instant, l, lastSeenMessages.lastSeen()));
-      this.sendPacket(new ChatMessageC2SPacket(content, instant, l, messageSignatureData, lastSeenMessages.update()));
+      MinecraftClient.getInstance().getNetworkHandler().sendPacket(new ChatMessageC2SPacket(content, instant, l, messageSignatureData, lastSeenMessages.update()));
 
       ci.cancel();
     }

src/main/java/land/chipmunk/chipmunkmod/mixin/DecoderHandlerMixin.java

@@ -1,46 +0,0 @@
-package land.chipmunk.chipmunkmod.mixin;
-
-import io.netty.buffer.ByteBuf;
-import io.netty.channel.ChannelHandlerContext;
-import net.minecraft.network.*;
-import net.minecraft.network.packet.Packet;
-import net.minecraft.util.profiling.jfr.FlightProfiler;
-import org.spongepowered.asm.mixin.Final;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Mutable;
-import org.spongepowered.asm.mixin.Shadow;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Inject;
-import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
-
-import java.util.List;
-
-import static land.chipmunk.chipmunkmod.ChipmunkMod.LOGGER;
-
-@Mixin(DecoderHandler.class)
-public class DecoderHandlerMixin {
-    @Final @Mutable @Shadow private final NetworkSide side;
-
-    public DecoderHandlerMixin(NetworkSide side) {
-        this.side = side;
-    }
-
-    @Inject(method = "decode", at = @At("HEAD"), cancellable = true)
-    private void decode (ChannelHandlerContext ctx, ByteBuf buf, List<Object> objects, CallbackInfo ci) {
-        int i = buf.readableBytes();
-        if (i != 0) {
-            PacketByteBuf packetByteBuf = new PacketByteBuf(buf);
-            int j = packetByteBuf.readVarInt();
-            Packet<?> packet = ctx.channel().attr(ClientConnection.PROTOCOL_ATTRIBUTE_KEY).get().getPacketHandler(this.side, j, packetByteBuf);
-            if (packet != null) {
-                int k = ctx.channel().attr(ClientConnection.PROTOCOL_ATTRIBUTE_KEY).get().getId();
-                FlightProfiler.INSTANCE.onPacketReceived(k, j, ctx.channel().remoteAddress(), i);
-                objects.add(packet);
-                if (LOGGER.isDebugEnabled()) {
-                    LOGGER.debug(ClientConnection.PACKET_RECEIVED_MARKER, " IN: [{}:{}] {}", ctx.channel().attr(ClientConnection.PROTOCOL_ATTRIBUTE_KEY).get(), j, packet.getClass().getName());
-                }
-            }
-        }
-        ci.cancel();
-    }
-}

src/main/java/land/chipmunk/chipmunkmod/mixin/DecoratedPotBlockEntitySherdsMixin.java

@@ -15,7 +15,7 @@ import org.spongepowered.asm.mixin.injection.callback.LocalCapture;
 // https://github.com/LunaWasFlaggedAgain/Mojang-ResourceLocation-Challenge/blob/main/src/main/java/com/github/lunawasflaggedagain/mojangresourcelocationchallenge/mixin/DecoratedPotBlockEntitySherdsMixin.java
 @Mixin(DecoratedPotBlockEntity.Sherds.class)
 public class DecoratedPotBlockEntitySherdsMixin {
-    @Inject(method = "getSherd(Lnet/minecraft/nbt/NbtList;I)Lnet/minecraft/item/Item;", at = @At(value = "INVOKE", target = "Lnet/minecraft/util/Identifier;<init>(Ljava/lang/String;)V"), locals = LocalCapture.CAPTURE_FAILHARD, cancellable = true)
+    @Inject(method = "getSherd", at = @At(value = "INVOKE", target = "Lnet/minecraft/util/Identifier;tryParse(Ljava/lang/String;)Lnet/minecraft/util/Identifier;"), locals = LocalCapture.CAPTURE_FAILHARD, cancellable = true)
     private static void getSherd(NbtList list, int index, CallbackInfoReturnable<Item> cir, NbtElement nbtElement) {
         if (!Identifier.isValid(nbtElement.asString())) cir.setReturnValue(Items.BRICK);
     }

src/main/java/land/chipmunk/chipmunkmod/mixin/MinecraftClientAccessor.java

@@ -1,9 +1,9 @@
 package land.chipmunk.chipmunkmod.mixin;
 
+import net.minecraft.client.session.Session;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Mutable;
 import org.spongepowered.asm.mixin.gen.Accessor;
-import net.minecraft.client.util.Session;
 
 @Mixin(net.minecraft.client.MinecraftClient.class)
 public interface MinecraftClientAccessor {

src/main/java/land/chipmunk/chipmunkmod/mixin/NbtIoMixin.java

@@ -1,28 +0,0 @@
-package land.chipmunk.chipmunkmod.mixin;
-
-import net.minecraft.nbt.*;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Inject;
-import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
-
-import java.io.DataInput;
-import java.io.IOException;
-
-@Mixin(NbtIo.class)
-public class NbtIoMixin {
-    @Inject(method = "read(Ljava/io/DataInput;ILnet/minecraft/nbt/NbtTagSizeTracker;)Lnet/minecraft/nbt/NbtElement;", at = @At("HEAD"), cancellable = true)
-    private static void read(DataInput input, int depth, NbtTagSizeTracker tracker, CallbackInfoReturnable<NbtElement> cir) {
-        try {
-            byte b = input.readByte();
-            if (b == 0) {
-                cir.setReturnValue(NbtEnd.INSTANCE);
-            }
-
-            NbtString.skip(input);
-            cir.setReturnValue(NbtTypes.byId(b).read(input, depth, tracker));
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-    }
-}

src/main/java/land/chipmunk/chipmunkmod/modules/SelfCare.java

@@ -131,7 +131,7 @@ public class SelfCare extends Listener {
   }
 
   public void packetReceived(GameJoinS2CPacket packet) {
-    gameMode = packet.gameMode().getId();
+    gameMode = packet.commonPlayerSpawnInfo().gameMode().getId();
   }
 
   public void packetReceived(GameStateChangeS2CPacket packet) {

src/main/java/land/chipmunk/chipmunkmod/modules/SongPlayer.java

@@ -1,8 +1,5 @@
 package land.chipmunk.chipmunkmod.modules;
 
-import land.chipmunk.chipmunkmod.mixin.ClientConnectionAccessor;
-import land.chipmunk.chipmunkmod.mixin.ClientConnectionInvoker;
-import land.chipmunk.chipmunkmod.mixin.ClientPlayNetworkHandlerAccessor;
 import land.chipmunk.chipmunkmod.song.Note;
 import land.chipmunk.chipmunkmod.song.Song;
 import land.chipmunk.chipmunkmod.song.SongLoaderException;
@@ -14,13 +11,10 @@ import net.kyori.adventure.text.serializer.gson.GsonComponentSerializer;
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.client.network.ClientPlayNetworkHandler;
 import net.minecraft.client.network.ClientPlayerEntity;
-import net.minecraft.network.packet.s2c.play.PlaySoundS2CPacket;
-import net.minecraft.registry.entry.RegistryEntry;
 import net.minecraft.sound.SoundCategory;
 import net.minecraft.sound.SoundEvent;
 import net.minecraft.text.Text;
 import net.minecraft.util.Identifier;
-import net.minecraft.util.math.random.Random;
 
 import java.io.File;
 import java.net.URL;
@@ -220,23 +214,16 @@ public class SongPlayer {
 
                     if (thing[1] == null) return; // idk if this can be null but ill just protect it for now i guess
 
-                    final ClientPlayNetworkHandlerAccessor networkHandlerAccessor = (ClientPlayNetworkHandlerAccessor) client.getNetworkHandler();
+                    client.submit(() -> client.world.playSound(
-
-                    final ClientConnectionAccessor clientConnectionAccessor = (ClientConnectionAccessor) networkHandlerAccessor.connection();
-
-                    ClientConnectionInvoker.handlePacket(
-                            new PlaySoundS2CPacket(
-                                    RegistryEntry.of(SoundEvent.of(Identifier.of(thing[0], thing[1]))),
-                                    SoundCategory.RECORDS,
                             client.player.getX(),
                             client.player.getY(),
                             client.player.getZ(),
+                            SoundEvent.of(Identifier.of(thing[0], thing[1])),
+                            SoundCategory.RECORDS,
                             note.volume,
                             floatingPitch,
-                                    Random.create().nextLong()
+                            true
-                            ),
+                    ));
-                            clientConnectionAccessor.packetListener()
-                    );
                 } else {
                     final float floatingPitch = MathUtilities.clamp((float) (0.5 * (Math.pow(2, ((note.pitch + (pitch / 10)) / 12)))), 0F, 2F);
 

src/main/resources/chipmunkmod.mixins.json

@@ -11,9 +11,7 @@
     "ClientPlayNetworkHandlerAccessor",
     "ClientPlayNetworkHandlerMixin",
     "MinecraftClientAccessor",
-    "DecoderHandlerMixin",
     "StringHelperMixin",
-    "NbtIoMixin",
     "ElderGuardianAppearanceParticleMixin",
     "IdentifierMixin",
     "DecoratedPotBlockEntitySherdsMixin",