1.4.113 on 23w31a, many regressions including modded networking, fake players, scoreboard api and more.

gradle.properties

@@ -3,13 +3,13 @@ org.gradle.jvmargs=-Xmx1G
 
 # Fabric Properties
 	# check https://fabricmc.net/develop/
-	minecraft_version=1.20.1
-	loader_version=0.14.21
+	minecraft_version=23w31a
+	loader_version=0.14.22
 	jsr305_version=3.0.2
 	fabric_version=0.83.0+1.20.1
 
 # Mod Properties
-	mod_version = 1.4.112
+	mod_version = 1.4.113
 	maven_group = carpet
 	archives_base_name = fabric-carpet
 

src/main/java/carpet/fakes/CarpetPacketPayload.java

@@ -0,0 +1,11 @@
+package carpet.fakes;
+
+import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import net.minecraft.network.protocol.common.custom.DiscardedPayload;
+import net.minecraft.resources.ResourceLocation;
+
+public interface CarpetPacketPayload extends CustomPacketPayload
+{
+    FriendlyByteBuf data();
+}

src/main/java/carpet/helpers/FertilizableCoral.java

@@ -33,7 +33,7 @@ public interface FertilizableCoral extends BonemealableBlock {
     boolean isEnabled();
 
     @Override
-    public default boolean isValidBonemealTarget(LevelReader world, BlockPos pos, BlockState state, boolean var4)
+    public default boolean isValidBonemealTarget(LevelReader world, BlockPos pos, BlockState state)
     {
         return isEnabled()
                 && state.getValue(BaseCoralPlantTypeBlock.WATERLOGGED)

src/main/java/carpet/mixins/ClientCommonPacketListenerImpl_customPacketMixin.java

@@ -0,0 +1,28 @@
+package carpet.mixins;
+
+import carpet.network.CarpetClient;
+import net.minecraft.client.multiplayer.ClientCommonPacketListenerImpl;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.protocol.common.ClientboundCustomPayloadPacket;
+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.CallbackInfo;
+
+@Mixin(ClientCommonPacketListenerImpl.class)
+public class ClientCommonPacketListenerImpl_customPacketMixin
+{
+    @Inject(method = "onDisconnect", at = @At("HEAD"))
+    private void onCMDisconnected(Component reason, CallbackInfo ci)
+    {
+        CarpetClient.disconnect();
+    }
+
+    @Inject(method = "handleCustomPayload(Lnet/minecraft/network/protocol/common/ClientboundCustomPayloadPacket;)V",
+    at = @At("HEAD"))
+    private void onOnCustomPayload(ClientboundCustomPayloadPacket packet, CallbackInfo ci)
+    {
+        //System.out.println("CustomPayload of : " + packet.payload());
+    }
+
+}

src/main/java/carpet/mixins/ClientPacketListener_clientCommandMixin.java

@@ -3,8 +3,11 @@ package carpet.mixins;
 import carpet.CarpetServer;
 import carpet.network.CarpetClient;
 import net.minecraft.client.Minecraft;
+import net.minecraft.client.multiplayer.ClientCommonPacketListenerImpl;
 import net.minecraft.client.multiplayer.ClientPacketListener;
+import net.minecraft.client.multiplayer.CommonListenerCookie;
 import net.minecraft.client.player.LocalPlayer;
+import net.minecraft.network.Connection;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
@@ -13,9 +16,13 @@ import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 @Mixin(ClientPacketListener.class)
-public class ClientPacketListener_clientCommandMixin
+public abstract class ClientPacketListener_clientCommandMixin extends ClientCommonPacketListenerImpl
 {
-    @Shadow @Final private Minecraft minecraft;
+
+    protected ClientPacketListener_clientCommandMixin(final Minecraft minecraft, final Connection connection, final CommonListenerCookie commonListenerCookie)
+    {
+        super(minecraft, connection, commonListenerCookie);
+    }
 
     @Inject(method = "sendCommand", at = @At("HEAD"))
     private void inspectMessage(String string, CallbackInfo ci)

src/main/java/carpet/mixins/ClientPacketListener_customPacketsMixin.java

@@ -3,41 +3,39 @@ package carpet.mixins;
 import carpet.network.CarpetClient;
 import carpet.network.ClientNetworkHandler;
 import net.minecraft.client.Minecraft;
+import net.minecraft.client.multiplayer.ClientCommonPacketListenerImpl;
 import net.minecraft.client.multiplayer.ClientPacketListener;
+import net.minecraft.client.multiplayer.CommonListenerCookie;
+import net.minecraft.network.Connection;
+import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.network.chat.Component;
-import net.minecraft.network.protocol.game.ClientboundCustomPayloadPacket;
+import net.minecraft.network.protocol.common.ClientCommonPacketListener;
+import net.minecraft.network.protocol.common.ClientboundCustomPayloadPacket;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import net.minecraft.network.protocol.common.custom.DiscardedPayload;
 import net.minecraft.network.protocol.game.ClientboundLoginPacket;
+import net.minecraft.resources.ResourceLocation;
 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;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 
 @Mixin(ClientPacketListener.class)
-public abstract class ClientPacketListener_customPacketsMixin
+public abstract class ClientPacketListener_customPacketsMixin extends ClientCommonPacketListenerImpl
 {
-    @Final @Shadow private Minecraft minecraft;
 
-    @Inject(method = "handleCustomPayload", at = @At(value = "INVOKE", target = "Lnet/minecraft/network/protocol/game/ClientboundCustomPayloadPacket;getIdentifier()Lnet/minecraft/resources/ResourceLocation;"), cancellable = true)
-    private void onOnCustomPayload(ClientboundCustomPayloadPacket packet, CallbackInfo ci)
+    protected ClientPacketListener_customPacketsMixin(final Minecraft minecraft, final Connection connection, final CommonListenerCookie commonListenerCookie)
     {
-        if (CarpetClient.CARPET_CHANNEL.equals(packet.getIdentifier()))
-        {
-            ClientNetworkHandler.handleData(packet.getData(), minecraft.player);
-            ci.cancel();
-        }
+        super(minecraft, connection, commonListenerCookie);
     }
 
     @Inject(method = "handleLogin", at = @At("RETURN"))
     private void onGameJoined(ClientboundLoginPacket packet, CallbackInfo info)
     {
-        CarpetClient.gameJoined(minecraft.player);
+        CarpetClient.gameJoined( minecraft.player);
     }
 
-    @Inject(method = "onDisconnect", at = @At("HEAD"))
-    private void onCMDisconnected(Component reason, CallbackInfo ci)
-    {
-        CarpetClient.disconnect();
-    }
 }

src/main/java/carpet/mixins/ClientboundCustomPayloadPacket_customPacketMixin.java

@@ -0,0 +1,35 @@
+package carpet.mixins;
+
+
+import carpet.network.CarpetClient;
+import carpet.network.ClientNetworkHandler;
+import net.minecraft.client.Minecraft;
+import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.network.protocol.common.ClientboundCustomPayloadPacket;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import net.minecraft.network.protocol.common.custom.DiscardedPayload;
+import net.minecraft.resources.ResourceLocation;
+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;
+
+@Mixin(ClientboundCustomPayloadPacket.class)
+public class ClientboundCustomPayloadPacket_customPacketMixin
+{
+    @Inject(method = "readPayload", at = @At("HEAD"))
+    private static void onOnCustomPayloadR(final ResourceLocation resourceLocation, final FriendlyByteBuf friendlyByteBuf, final CallbackInfoReturnable<CustomPacketPayload> cir)
+    {
+    }
+
+    @Inject(method = "readUnknownPayload", at = @At(value = "HEAD"), cancellable = true)
+    private static void onOnCustomPayload(ResourceLocation resourceLocation, FriendlyByteBuf friendlyByteBuf, CallbackInfoReturnable<DiscardedPayload> cir)
+    {
+        if (true) return;
+        if (CarpetClient.CARPET_CHANNEL.equals(resourceLocation) && Minecraft.getInstance().isSameThread())
+        {
+            ClientNetworkHandler.handleData(friendlyByteBuf, Minecraft.getInstance().player);
+            cir.setReturnValue(new DiscardedPayload(resourceLocation));
+        }
+    }
+}

src/main/java/carpet/mixins/Connection_packetCounterMixin.java

@@ -28,7 +28,7 @@ public abstract class Connection_packetCounterMixin implements ClientConnectionI
     
     // Add to the packet counter whenever a packet is sent.
     @Inject(method = "sendPacket", at = @At("HEAD"))
-    private void packetOutCount(Packet<?> packet, @Nullable PacketSendListener packetSendListener, CallbackInfo ci)
+    private void packetOutCount(final Packet<?> packet, final PacketSendListener packetSendListener, final boolean bl, final CallbackInfo ci)
     {
         PacketCounter.totalOut++;
     }

src/main/java/carpet/mixins/MinecraftMixin.java

@@ -20,7 +20,7 @@ public class MinecraftMixin implements MinecraftInterface
 {
     @Shadow public ClientLevel level;
     
-    @Inject(method = "clearLevel(Lnet/minecraft/client/gui/screens/Screen;)V", at = @At("HEAD"))
+    @Inject(method = "disconnect(Lnet/minecraft/client/gui/screens/Screen;)V", at = @At("HEAD"))
     private void onCloseGame(Screen screen, CallbackInfo ci)
     {
         CarpetClient.disconnect();

src/main/java/carpet/mixins/PlayerList_coreMixin.java

@@ -16,7 +16,7 @@ public class PlayerList_coreMixin
 {
 
     @Inject(method = "placeNewPlayer", at = @At("RETURN"))
-    private void onPlayerConnected(Connection connection, ServerPlayer player, CallbackInfo ci)
+    private void onPlayerConnected(Connection connection, ServerPlayer player, int i, CallbackInfo ci)
     {
         CarpetServer.onPlayerLoggedIn(player);
     }

src/main/java/carpet/mixins/PlayerList_fakePlayersMixin.java

@@ -34,21 +34,21 @@ public abstract class PlayerList_fakePlayersMixin
         }
     }
 
-    @Redirect(method = "placeNewPlayer", at = @At(value = "NEW", target = "net/minecraft/server/network/ServerGamePacketListenerImpl"))
-    private ServerGamePacketListenerImpl replaceNetworkHandler(MinecraftServer server, Connection clientConnection, ServerPlayer playerIn)
+    @Redirect(method = "placeNewPlayer", at = @At(value = "NEW", target = "(Lnet/minecraft/server/MinecraftServer;Lnet/minecraft/network/Connection;Lnet/minecraft/server/level/ServerPlayer;I)Lnet/minecraft/server/network/ServerGamePacketListenerImpl;"))
+    private ServerGamePacketListenerImpl replaceNetworkHandler( MinecraftServer server,  Connection clientConnection,  ServerPlayer playerIn,  int i)
     {
         if (playerIn instanceof EntityPlayerMPFake fake)
         {
-            return new NetHandlerPlayServerFake(this.server, clientConnection, fake);
+            return new NetHandlerPlayServerFake(this.server, clientConnection, fake, i);
         }
         else
         {
-            return new ServerGamePacketListenerImpl(this.server, clientConnection, playerIn);
+            return new ServerGamePacketListenerImpl(this.server, clientConnection, playerIn, i);
         }
     }
 
-    @Redirect(method = "respawn", at = @At(value = "NEW", target = "net/minecraft/server/level/ServerPlayer"))
-    public ServerPlayer makePlayerForRespawn(MinecraftServer minecraftServer, ServerLevel serverLevel, GameProfile gameProfile, ServerPlayer serverPlayer, boolean bl)
+    @Redirect(method = "respawn", at = @At(value = "NEW", target = "(Lnet/minecraft/server/MinecraftServer;Lnet/minecraft/server/level/ServerLevel;Lcom/mojang/authlib/GameProfile;)Lnet/minecraft/server/level/ServerPlayer;"))
+    public ServerPlayer makePlayerForRespawn(MinecraftServer minecraftServer, ServerLevel serverLevel, GameProfile gameProfile, ServerPlayer serverPlayer, boolean i)
     {
         if (serverPlayer instanceof EntityPlayerMPFake) {
             return EntityPlayerMPFake.respawnFake(minecraftServer, serverLevel, gameProfile);

src/main/java/carpet/mixins/ServerCommonPacketListenerimpl_connectionMixin.java

@@ -0,0 +1,33 @@
+package carpet.mixins;
+
+import carpet.fakes.CarpetPacketPayload;
+import carpet.network.ServerNetworkHandler;
+import net.minecraft.network.protocol.PacketUtils;
+import net.minecraft.network.protocol.common.ServerboundCustomPayloadPacket;
+import net.minecraft.network.protocol.game.ServerGamePacketListener;
+import net.minecraft.server.network.ServerCommonPacketListenerImpl;
+import net.minecraft.server.network.ServerGamePacketListenerImpl;
+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.CallbackInfo;
+
+@Mixin(ServerCommonPacketListenerImpl.class)
+public class ServerCommonPacketListenerimpl_connectionMixin
+{
+    @Inject(method = "handleCustomPayload", at = @At("HEAD"), cancellable = true)
+    private void onCustomCarpetPayload(ServerboundCustomPayloadPacket serverboundCustomPayloadPacket, CallbackInfo ci)
+    {
+        if (true) return;
+        Object thiss = this;
+        if (thiss instanceof ServerGamePacketListenerImpl impl && serverboundCustomPayloadPacket.payload() instanceof CarpetPacketPayload cpp) {
+            // We should force onto the main thread here
+            // ServerNetworkHandler.handleData can possibly mutate data that isn't
+            // thread safe, and also allows for client commands to be executed
+            PacketUtils.ensureRunningOnSameThread(serverboundCustomPayloadPacket, (ServerGamePacketListener) this, impl.player.serverLevel());
+            ServerNetworkHandler.handleData(cpp.data(), impl.player);
+            ci.cancel();
+        }
+        ci.cancel();
+    }
+}

src/main/java/carpet/mixins/ServerGamePacketListenerImplMixin.java

@@ -3,8 +3,8 @@ package carpet.mixins;
 import carpet.network.CarpetClient;
 import carpet.network.ServerNetworkHandler;
 import net.minecraft.network.protocol.PacketUtils;
+import net.minecraft.network.protocol.common.ServerboundCustomPayloadPacket;
 import net.minecraft.network.protocol.game.ServerGamePacketListener;
-import net.minecraft.network.protocol.game.ServerboundCustomPayloadPacket;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.server.network.ServerGamePacketListenerImpl;
@@ -19,18 +19,5 @@ public class ServerGamePacketListenerImplMixin
 {
     @Shadow public ServerPlayer player;
 
-    @Inject(method = "handleCustomPayload", at = @At("HEAD"), cancellable = true)
-    private void onCustomCarpetPayload(ServerboundCustomPayloadPacket packet, CallbackInfo ci)
-    {
-        ResourceLocation channel = packet.getIdentifier();
-        if (CarpetClient.CARPET_CHANNEL.equals(channel))
-        {
-            // We should force onto the main thread here
-            // ServerNetworkHandler.handleData can possibly mutate data that isn't
-            // thread safe, and also allows for client commands to be executed
-            PacketUtils.ensureRunningOnSameThread(packet, (ServerGamePacketListener) this, player.serverLevel());
-            ServerNetworkHandler.handleData(packet.getData(), player);
-            ci.cancel();
-        }
-    }
+
 }

src/main/java/carpet/mixins/ServerGamePacketListenerImpl_antiCheatDisabledMixin.java

@@ -1,7 +1,10 @@
 package carpet.mixins;
 
 import carpet.CarpetSettings;
+import net.minecraft.network.Connection;
+import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.server.network.ServerCommonPacketListenerImpl;
 import net.minecraft.server.network.ServerGamePacketListenerImpl;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
@@ -11,13 +14,18 @@ import org.spongepowered.asm.mixin.injection.Redirect;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 @Mixin(ServerGamePacketListenerImpl.class)
-public abstract class ServerGamePacketListenerImpl_antiCheatDisabledMixin
+public abstract class ServerGamePacketListenerImpl_antiCheatDisabledMixin extends ServerCommonPacketListenerImpl
 {
     @Shadow private int aboveGroundTickCount;
 
     @Shadow private int aboveGroundVehicleTickCount;
 
-    @Shadow protected abstract boolean isSingleplayerOwner();
+    public ServerGamePacketListenerImpl_antiCheatDisabledMixin(final MinecraftServer minecraftServer, final Connection connection, final int i)
+    {
+        super(minecraftServer, connection, i);
+    }
+
+    //@Shadow protected abstract boolean isSingleplayerOwner();
 
     @Inject(method = "tick", at = @At("HEAD"))
     private void restrictFloatingBits(CallbackInfo ci)

src/main/java/carpet/mixins/ServerGamePacketListenerImpl_coreMixin.java

@@ -4,7 +4,9 @@ import carpet.CarpetServer;
 import carpet.fakes.ServerGamePacketListenerImplInterface;
 import net.minecraft.network.Connection;
 import net.minecraft.network.chat.Component;
+import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.server.network.ServerCommonPacketListenerImpl;
 import net.minecraft.server.network.ServerGamePacketListenerImpl;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
@@ -14,11 +16,14 @@ import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 @Mixin(ServerGamePacketListenerImpl.class)
-public class ServerGamePacketListenerImpl_coreMixin implements ServerGamePacketListenerImplInterface {
+public abstract class ServerGamePacketListenerImpl_coreMixin extends ServerCommonPacketListenerImpl implements ServerGamePacketListenerImplInterface {
     @Shadow
     public ServerPlayer player;
 
-    @Shadow @Final private Connection connection;
+    public ServerGamePacketListenerImpl_coreMixin(final MinecraftServer minecraftServer, final Connection connection, final int i)
+    {
+        super(minecraftServer, connection, i);
+    }
 
     @Inject(method = "onDisconnect", at = @At("HEAD"))
     private void onPlayerDisconnect(Component reason, CallbackInfo ci) {

src/main/java/carpet/mixins/ServerboundCustomPayloadPacket_mixin.java

@@ -0,0 +1,52 @@
+package carpet.mixins;
+
+import carpet.fakes.CarpetPacketPayload;
+import carpet.network.CarpetClient;
+import carpet.network.ClientNetworkHandler;
+import net.minecraft.client.Minecraft;
+import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.network.protocol.common.ServerboundCustomPayloadPacket;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import net.minecraft.network.protocol.common.custom.DiscardedPayload;
+import net.minecraft.resources.ResourceLocation;
+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;
+
+@Mixin(ServerboundCustomPayloadPacket.class)
+public class ServerboundCustomPayloadPacket_mixin
+{
+    @Inject(method = "readPayload", at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/network/protocol/common/ServerboundCustomPayloadPacket;readUnknownPayload(Lnet/minecraft/resources/ResourceLocation;Lnet/minecraft/network/FriendlyByteBuf;)Lnet/minecraft/network/protocol/common/custom/DiscardedPayload;"
+    ), cancellable = true)
+    private static void onOnCustomPayload(ResourceLocation resourceLocation, FriendlyByteBuf friendlyByteBuf, CallbackInfoReturnable<CustomPacketPayload> cir)
+    {
+        if (true) return;
+        if (CarpetClient.CARPET_CHANNEL.equals(resourceLocation))
+        {
+            //ClientNetworkHandler.handleData(friendlyByteBuf, Minecraft.getInstance().player);
+            cir.setReturnValue(new CarpetPacketPayload()
+            {
+                @Override
+                public FriendlyByteBuf data()
+                {
+                    return friendlyByteBuf;
+                }
+
+                @Override
+                public void write(final FriendlyByteBuf friendlyByteBuf)
+                {
+                    // noop - its a client side and we handle it server side only
+                }
+
+                @Override
+                public ResourceLocation id()
+                {
+                    return resourceLocation;
+                }
+            });
+        }
+    }
+}

src/main/java/carpet/network/CarpetClient.java

@@ -7,11 +7,32 @@ import net.minecraft.client.player.LocalPlayer;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.ListTag;
 import net.minecraft.nbt.Tag;
+import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.network.chat.Component;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
 import net.minecraft.resources.ResourceLocation;
 
 public class CarpetClient
 {
+    public record CarpetPayload(CompoundTag data) implements CustomPacketPayload
+    {
+        public static final ResourceLocation ID = CARPET_CHANNEL;
+
+        public CarpetPayload(final FriendlyByteBuf input) {
+            this(input.readNbt());
+        }
+
+        @Override
+        public void write(final FriendlyByteBuf output) {
+            output.writeNbt(data);
+        }
+
+        @Override
+        public ResourceLocation id() {
+            return ID;
+        }
+    }
+
     public static final int HI = 69;
     public static final int HELLO = 420;
     public static final int DATA = 1;

src/main/java/carpet/network/ClientNetworkHandler.java

@@ -19,7 +19,9 @@ import net.minecraft.nbt.ListTag;
 import net.minecraft.nbt.NumericTag;
 import net.minecraft.nbt.Tag;
 import net.minecraft.network.FriendlyByteBuf;
-import net.minecraft.network.protocol.game.ServerboundCustomPayloadPacket;
+import net.minecraft.network.protocol.common.ServerboundCustomPayloadPacket;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import net.minecraft.resources.ResourceLocation;
 
 public class ClientNetworkHandler
 {
@@ -129,8 +131,20 @@ public class ClientNetworkHandler
     public static void respondHello()
     {
         CarpetClient.getPlayer().connection.send(new ServerboundCustomPayloadPacket(
-                CarpetClient.CARPET_CHANNEL,
-                (new FriendlyByteBuf(Unpooled.buffer())).writeVarInt(CarpetClient.HELLO).writeUtf(CarpetSettings.carpetVersion)
+                new CustomPacketPayload()
+                {
+                    @Override
+                    public void write(final FriendlyByteBuf friendlyByteBuf)
+                    {
+                        friendlyByteBuf.writeVarInt(CarpetClient.HELLO).writeUtf(CarpetSettings.carpetVersion);
+                    }
+
+                    @Override
+                    public ResourceLocation id()
+                    {
+                        return CarpetClient.CARPET_CHANNEL;
+                    }
+                }
         ));
     }
 
@@ -162,8 +176,20 @@ public class ClientNetworkHandler
         CompoundTag outer = new CompoundTag();
         outer.put("clientCommand", tag);
         CarpetClient.getPlayer().connection.send(new ServerboundCustomPayloadPacket(
-                CarpetClient.CARPET_CHANNEL,
-                (new FriendlyByteBuf(Unpooled.buffer())).writeVarInt(CarpetClient.DATA).writeNbt(outer)
+                new CustomPacketPayload()
+                {
+                    @Override
+                    public void write( FriendlyByteBuf friendlyByteBuf)
+                    {
+                        friendlyByteBuf.writeVarInt(CarpetClient.DATA).writeNbt(outer);
+                    }
+
+                    @Override
+                    public ResourceLocation id()
+                    {
+                        return CarpetClient.CARPET_CHANNEL;
+                    }
+                }
         ));
     }
 }

src/main/java/carpet/network/ServerNetworkHandler.java

@@ -4,6 +4,7 @@ import carpet.CarpetServer;
 import carpet.CarpetSettings;
 import carpet.api.settings.CarpetRule;
 import carpet.api.settings.RuleHelper;
+import carpet.fakes.CarpetPacketPayload;
 import carpet.fakes.MinecraftServerInterface;
 import carpet.fakes.ServerGamePacketListenerImplInterface;
 import carpet.helpers.ServerTickRateManager;
@@ -16,19 +17,39 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.function.BiConsumer;
+import java.util.function.Consumer;
+
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.ListTag;
 import net.minecraft.nbt.StringTag;
 import net.minecraft.nbt.Tag;
 import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.network.chat.Component;
-import net.minecraft.network.protocol.game.ClientboundCustomPayloadPacket;
+import net.minecraft.network.protocol.common.ClientboundCustomPayloadPacket;
+import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import net.minecraft.resources.ResourceLocation;
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.server.level.ServerPlayer;
 
 public class ServerNetworkHandler
 {
+    @FunctionalInterface
+    public interface CarpetCustomPayload extends CustomPacketPayload
+    {
+        void writeData(FriendlyByteBuf output);
+
+        @Override
+        default void write(FriendlyByteBuf output) {
+            writeData(output);
+        }
+
+        @Override
+        default ResourceLocation id()
+        {
+            return CarpetClient.CARPET_CHANNEL;
+        }
+    }
     private static final Map<ServerPlayer, String> remoteCarpetPlayers = new HashMap<>();
     private static final Set<ServerPlayer> validCarpetPlayers = new HashSet<>();
 
@@ -52,24 +73,39 @@ public class ServerNetworkHandler
 
 
 
+    private static ClientboundCustomPayloadPacket make(Consumer<FriendlyByteBuf> accepter) {
+        return new ClientboundCustomPayloadPacket(
+                new CarpetCustomPayload()
+                {
+                    @Override
+                    public void writeData(final FriendlyByteBuf t)
+                    {
+                        accepter.accept(t);
+                    }
+                }
+        );
+    }
+
     public static void onPlayerJoin(ServerPlayer playerEntity)
     {
+        if (true) return;
         if (!((ServerGamePacketListenerImplInterface)playerEntity.connection).getConnection().isMemoryConnection())
         {
-            playerEntity.connection.send(new ClientboundCustomPayloadPacket(
-                    CarpetClient.CARPET_CHANNEL,
-                    (new FriendlyByteBuf(Unpooled.buffer())).writeVarInt(CarpetClient.HI).writeUtf(CarpetSettings.carpetVersion)
+            playerEntity.connection.send( make( output -> {
+                        output.writeVarInt(CarpetClient.HI);
+                        output.writeUtf(CarpetSettings.carpetVersion);
+                    }
             ));
         }
         else
         {
             validCarpetPlayers.add(playerEntity);
         }
-
     }
 
     public static void onHello(ServerPlayer playerEntity, FriendlyByteBuf packetData)
     {
+        if (true) return;
         validCarpetPlayers.add(playerEntity);
         String clientVersion = packetData.readUtf(64);
         remoteCarpetPlayers.put(playerEntity, clientVersion);
@@ -79,13 +115,13 @@ public class ServerNetworkHandler
             CarpetSettings.LOG.warn("Player "+playerEntity.getName().getString()+" joined with another carpet version: "+clientVersion);
         DataBuilder data = DataBuilder.create(playerEntity.server); // tickrate related settings are sent on world change
         CarpetServer.forEachManager(sm -> sm.getCarpetRules().forEach(data::withRule));
-        playerEntity.connection.send(new ClientboundCustomPayloadPacket(CarpetClient.CARPET_CHANNEL, data.build() ));
+        playerEntity.connection.send(make(data::build));
     }
 
     public static void sendPlayerLevelData(ServerPlayer player, ServerLevel level) {
         if (CarpetSettings.superSecretSetting || !validCarpetPlayers.contains(player)) return;
         DataBuilder data = DataBuilder.create(player.server).withTickRate().withFrozenState().withTickPlayerActiveTimeout(); // .withSuperHotState()
-        player.connection.send(new ClientboundCustomPayloadPacket(CarpetClient.CARPET_CHANNEL, data.build() ));
+        player.connection.send(make(data::build));
 
     }
 
@@ -113,9 +149,8 @@ public class ServerNetworkHandler
         ListTag outputResult = new ListTag();
         for (Component line: output) outputResult.add(StringTag.valueOf(Component.Serializer.toJson(line)));
         if (!output.isEmpty()) result.put("output", outputResult);
-        player.connection.send(new ClientboundCustomPayloadPacket(
-                CarpetClient.CARPET_CHANNEL,
-                DataBuilder.create(player.server).withCustomNbt("clientCommand", result).build()
+        player.connection.send(make( butebuf ->
+                DataBuilder.create(player.server).withCustomNbt("clientCommand", result).build(butebuf)
         ));
         // run command plug to command output,
     }
@@ -139,9 +174,8 @@ public class ServerNetworkHandler
         if (CarpetSettings.superSecretSetting) return;
         for (ServerPlayer player : remoteCarpetPlayers.keySet())
         {
-            player.connection.send(new ClientboundCustomPayloadPacket(
-                    CarpetClient.CARPET_CHANNEL,
-                    DataBuilder.create(player.server).withRule(rule).build()
+            player.connection.send(make( output ->
+                    DataBuilder.create(player.server).withRule(rule).build(output)
             ));
         }
     }
@@ -151,9 +185,8 @@ public class ServerNetworkHandler
         if (CarpetSettings.superSecretSetting) return;
         for (ServerPlayer player : validCarpetPlayers)
         {
-            player.connection.send(new ClientboundCustomPayloadPacket(
-                    CarpetClient.CARPET_CHANNEL,
-                    DataBuilder.create(player.server).withTickRate().build()
+            player.connection.send(make( output ->
+                    DataBuilder.create(player.server).withTickRate().build(output)
             ));
         }
     }
@@ -163,9 +196,8 @@ public class ServerNetworkHandler
         if (CarpetSettings.superSecretSetting) return;
         for (ServerPlayer player : validCarpetPlayers)
         {
-            player.connection.send(new ClientboundCustomPayloadPacket(
-                    CarpetClient.CARPET_CHANNEL,
-                    DataBuilder.create(player.server).withFrozenState().build()
+            player.connection.send(make( output ->
+                    DataBuilder.create(player.server).withFrozenState().build(output)
             ));
         }
     }
@@ -175,9 +207,8 @@ public class ServerNetworkHandler
         if(CarpetSettings.superSecretSetting) return;
         for (ServerPlayer player : validCarpetPlayers)
         {
-            player.connection.send(new ClientboundCustomPayloadPacket(
-                    CarpetClient.CARPET_CHANNEL,
-                    DataBuilder.create(player.server).withSuperHotState().build()
+            player.connection.send(make(output ->
+                    DataBuilder.create(player.server).withSuperHotState().build(output)
             ));
         }
     }
@@ -187,9 +218,8 @@ public class ServerNetworkHandler
         if (CarpetSettings.superSecretSetting) return;
         for (ServerPlayer player : validCarpetPlayers)
         {
-            player.connection.send(new ClientboundCustomPayloadPacket(
-                    CarpetClient.CARPET_CHANNEL,
-                    DataBuilder.create(player.server).withTickPlayerActiveTimeout().build()
+            player.connection.send(make(output ->
+                    DataBuilder.create(player.server).withTickPlayerActiveTimeout().build(output)
             ));
         }
     }
@@ -199,9 +229,8 @@ public class ServerNetworkHandler
         if (CarpetSettings.superSecretSetting) return;
         for (ServerPlayer player : validCarpetPlayers)
         {
-            player.connection.send(new ClientboundCustomPayloadPacket(
-                    CarpetClient.CARPET_CHANNEL,
-                    DataBuilder.create(player.server).withCustomNbt(command, data).build()
+            player.connection.send(make(output ->
+                    DataBuilder.create(player.server).withCustomNbt(command, data).build(output)
             ));
         }
     }
@@ -210,9 +239,8 @@ public class ServerNetworkHandler
     {
         if (isValidCarpetPlayer(player))
         {
-            player.connection.send(new ClientboundCustomPayloadPacket(
-                    CarpetClient.CARPET_CHANNEL,
-                    DataBuilder.create(player.server).withCustomNbt(command, data).build()
+            player.connection.send(make(output ->
+                    DataBuilder.create(player.server).withCustomNbt(command, data).build(output)
             ));
         }
     }
@@ -310,12 +338,10 @@ public class ServerNetworkHandler
             return this;
         }
 
-        private FriendlyByteBuf build()
+        private void build(FriendlyByteBuf packetBuf)
         {
-            FriendlyByteBuf packetBuf = new FriendlyByteBuf(Unpooled.buffer());
             packetBuf.writeVarInt(CarpetClient.DATA);
             packetBuf.writeNbt(tag);
-            return packetBuf;
         }
 
 

src/main/java/carpet/patches/EntityPlayerMPFake.java

@@ -63,12 +63,12 @@ public class EntityPlayerMPFake extends ServerPlayer
         if (gameprofile.getProperties().containsKey("textures"))
         {
             AtomicReference<GameProfile> result = new AtomicReference<>();
-            SkullBlockEntity.updateGameprofile(gameprofile, result::set);
-            gameprofile = result.get();
+            //SkullBlockEntity.updateGameprofile(gameprofile, result::set);
+            //gameprofile = result.get();
         }
         EntityPlayerMPFake instance = new EntityPlayerMPFake(server, worldIn, gameprofile, false);
         instance.fixStartingPosition = () -> instance.moveTo(pos.x, pos.y, pos.z, (float) yaw, (float) pitch);
-        server.getPlayerList().placeNewPlayer(new FakeClientConnection(PacketFlow.SERVERBOUND), instance);
+        server.getPlayerList().placeNewPlayer(new FakeClientConnection(PacketFlow.SERVERBOUND), instance, 0);
         instance.teleportTo(worldIn, pos.x, pos.y, pos.z, (float) yaw, (float) pitch);
         instance.setHealth(20.0F);
         instance.unsetRemoved();
@@ -90,7 +90,7 @@ public class EntityPlayerMPFake extends ServerPlayer
         GameProfile gameprofile = player.getGameProfile();
         EntityPlayerMPFake playerShadow = new EntityPlayerMPFake(server, worldIn, gameprofile, true);
         playerShadow.setChatSession(player.getChatSession());
-        server.getPlayerList().placeNewPlayer(new FakeClientConnection(PacketFlow.SERVERBOUND), playerShadow);
+        server.getPlayerList().placeNewPlayer(new FakeClientConnection(PacketFlow.SERVERBOUND), playerShadow, 0);
 
         playerShadow.setHealth(player.getHealth());
         playerShadow.connection.teleport(player.getX(), player.getY(), player.getZ(), player.getYRot(), player.getXRot());

src/main/java/carpet/patches/NetHandlerPlayServerFake.java

@@ -5,15 +5,16 @@ import net.minecraft.network.chat.Component;
 import net.minecraft.network.chat.contents.TranslatableContents;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.server.network.ServerGamePacketListenerImpl;
 import net.minecraft.world.entity.RelativeMovement;
 import java.util.Set;
 
 public class NetHandlerPlayServerFake extends ServerGamePacketListenerImpl
 {
-    public NetHandlerPlayServerFake(MinecraftServer server, Connection cc, EntityPlayerMPFake playerIn)
+    public NetHandlerPlayServerFake(final MinecraftServer minecraftServer, final Connection connection, final ServerPlayer serverPlayer, final int i)
     {
-        super(server, cc, playerIn);
+        super(minecraftServer, connection, serverPlayer, i);
     }
 
     @Override

src/main/java/carpet/script/api/Scoreboards.java

@@ -61,7 +61,7 @@ public class Scoreboards
                 return ListValue.wrap(scoreboard.getObjectiveNames().stream().map(StringValue::new));
             }
             String objectiveName = lv.get(0).getString();
-            Objective objective = scoreboard.getOrCreateObjective(objectiveName);
+            Objective objective = scoreboard.getObjective(objectiveName);
             if (objective == null)
             {
                 return Value.NULL;
@@ -103,7 +103,7 @@ public class Scoreboards
             CarpetContext cc = (CarpetContext) c;
             Scoreboard scoreboard = cc.server().getScoreboard();
             String objectiveName = lv.get(0).getString();
-            Objective objective = scoreboard.getOrCreateObjective(objectiveName);
+            Objective objective = scoreboard.getObjective(objectiveName);
             if (objective == null)
             {
                 return Value.FALSE;
@@ -151,7 +151,7 @@ public class Scoreboards
                 }
             }
 
-            Objective objective = scoreboard.getOrCreateObjective(objectiveName);
+            Objective objective = scoreboard.getObjective(objectiveName);
             if (objective != null)
             {
                 c.host.issueDeprecation("reading or modifying an objective's criterion with scoreboard_add");
@@ -181,7 +181,7 @@ public class Scoreboards
             }
             CarpetContext cc = (CarpetContext) c;
             Scoreboard scoreboard = cc.server().getScoreboard();
-            Objective objective = scoreboard.getOrCreateObjective(lv.get(0).getString());
+            Objective objective = scoreboard.getObjective(lv.get(0).getString());
             if (objective == null)
             {
                 return Value.NULL;
@@ -225,7 +225,7 @@ public class Scoreboards
                     }
                     return new FormattedTextValue(objective.getDisplayName());
                 }
-                case "display_slot" -> {
+                case "display_slot" -> { /*
                     if (modify)
                     {
                         int slotId = Scoreboard.getDisplaySlotByName(setValue.getString());
@@ -249,7 +249,8 @@ public class Scoreboards
                             slots.add(StringValue.of(slotName));
                         }
                     }
-                    return ListValue.wrap(slots);
+                    return ListValue.wrap(slots); */
+                    return Value.NULL;
                 }
                 case "render_type" -> {
                     if (modify)
@@ -269,7 +270,7 @@ public class Scoreboards
         });
 
         expression.addContextFunction("scoreboard_display", 2, (c, t, lv) ->
-        {
+        { /*
             CarpetContext cc = (CarpetContext) c;
             Scoreboard scoreboard = cc.server().getScoreboard();
             String location = lv.get(0).getString();
@@ -291,7 +292,8 @@ public class Scoreboards
                 return Value.NULL;
             }
             scoreboard.setDisplayObjective(slot, objective);
-            return new NumericValue(slot);
+            return new NumericValue(slot); */
+            return Value.NULL;
         });
 
         expression.addContextFunction("team_list", -1, (c, t, lv) ->

src/main/java/carpet/script/command/CommandArgument.java

@@ -258,9 +258,9 @@ public abstract class CommandArgument
                     true
             ),
             new ScoreholderArgument(),
-            new VanillaUnconfigurableArgument("scoreboardslot", ScoreboardSlotArgument::displaySlot,
-                    (c, p) -> StringValue.of(Scoreboard.getDisplaySlotName(ScoreboardSlotArgument.getDisplaySlot(c, p))), false
-            ),
+            //new VanillaUnconfigurableArgument("scoreboardslot", ScoreboardSlotArgument::displaySlot,
+            //        (c, p) -> StringValue.of(Scoreboard.getDisplaySlotName(ScoreboardSlotArgument.getDisplaySlot(c, p))), false
+            //),
             new VanillaUnconfigurableArgument("swizzle", SwizzleArgument::swizzle,
                     (c, p) -> StringValue.of(SwizzleArgument.getSwizzle(c, p).stream().map(Direction.Axis::getSerializedName).collect(Collectors.joining())), true
             ),

src/main/java/carpet/script/value/EntityValue.java

@@ -633,7 +633,7 @@ public class EntityValue extends Value
 
         put("client_brand", (e, a) -> e instanceof final ServerPlayer sp ? StringValue.of(Carpet.getPlayerStatus(sp)) : Value.NULL);
         put("team", (e, a) -> e.getTeam() == null ? Value.NULL : new StringValue(e.getTeam().getName()));
-        put("ping", (e, a) -> e instanceof final ServerPlayer sp ? new NumericValue(sp.latency) : Value.NULL);
+        put("ping", (e, a) -> e instanceof final ServerPlayer sp ? new NumericValue(sp.connection.latency()) : Value.NULL);
 
         //spectating_entity
         // isGlowing

src/main/resources/carpet.mixins.json

@@ -181,7 +181,11 @@
     "BlockBehaviourBlockStateBase_mixin",
     "ChainBlock_customStickyMixin",
     "ChestBlock_customStickyMixin",
-    "PistonStructureResolver_customStickyMixin"
+    "PistonStructureResolver_customStickyMixin",
+
+    "ServerboundCustomPayloadPacket_mixin",
+    "ServerCommonPacketListenerimpl_connectionMixin",
+    "ClientboundCustomPayloadPacket_customPacketMixin"
 
   ],
   "client": [
@@ -200,7 +204,10 @@
     "LevelRenderer_creativeNoClipMixin",
     "ClientPacketListener_customPacketsMixin",
     "DebugRenderer_scarpetRenderMixin",
-    "LevelRenderer_scarpetRenderMixin"
+    "LevelRenderer_scarpetRenderMixin",
+
+
+    "ClientCommonPacketListenerImpl_customPacketMixin"
   ],
   "injectors": {
     "defaultRequire": 1