Network friendly with non modded client

src/main/java/turniplabs/halplibe/helper/network/NetworkHandler.java

@@ -5,12 +5,14 @@
 import net.minecraft.client.Minecraft;
 import net.minecraft.core.entity.player.Player;
 import net.minecraft.core.net.packet.Packet;
+import net.minecraft.core.net.packet.PacketCustomPayload;
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.entity.player.PlayerServer;
 import org.jetbrains.annotations.NotNull;
 import turniplabs.halplibe.helper.EnvironmentHelper;
 
 import java.lang.reflect.InvocationTargetException;
+import java.nio.ByteBuffer;
 import java.util.*;
 import java.util.function.BiConsumer;
 import java.util.function.Function;
@@ -125,9 +127,12 @@ private static void sendToPlayerServer(Player player, NetworkMessage message)
 	}
 
 	@Environment(EnvType.SERVER)
-	public static void sendToPlayerMessagesConfiguration(Player player)
-	{
-		((PlayerServer)player).playerNetServerHandler.sendPacket(encode(new MessageIdsNetworkMessage(packetIds)));
+	public static void sendToPlayerMessagesConfiguration(Player player) {
+		((PlayerServer) player).playerNetServerHandler.sendPacket(
+				encode(
+						new MessageIdsNetworkMessage(packetIds)
+				).toPacketCustomPayload()
+		);
 	}
 
 	/**

src/main/java/turniplabs/halplibe/helper/network/UniversalPacket.java

@@ -7,6 +7,7 @@
 import net.minecraft.client.Minecraft;
 import net.minecraft.core.net.handler.PacketHandler;
 import net.minecraft.core.net.packet.Packet;
+import net.minecraft.core.net.packet.PacketCustomPayload;
 import org.jetbrains.annotations.NotNull;
 import turniplabs.halplibe.helper.EnvironmentHelper;
 import turniplabs.halplibe.mixin.accessors.PacketHandlerServerAccessor;
@@ -30,6 +31,16 @@ public UniversalPacket() {
         this.readIndex = 0;
     }
 
+    public UniversalPacket(PacketCustomPayload packetCustomPayload) {
+        this.buffer = packetCustomPayload.data;
+        this.writeIndex = packetCustomPayload.data.length - 1;
+        this.readIndex = 0;
+    }
+
+    public PacketCustomPayload toPacketCustomPayload() {
+        return new PacketCustomPayload("HALPLIBE", buffer);
+    }
+
     @Deprecated
     public void read(DataInputStream dis) throws IOException {
         final int length = dis.readInt();

src/main/java/turniplabs/halplibe/mixin/PacketHandlerClientMixin.java

@@ -2,11 +2,13 @@
 
 import net.fabricmc.loader.api.FabricLoader;
 import net.minecraft.client.net.handler.PacketHandlerClient;
+import net.minecraft.core.net.packet.PacketCustomPayload;
 import net.minecraft.core.net.packet.PacketLogin;
 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;
+import turniplabs.halplibe.helper.network.UniversalPacket;
 import turniplabs.halplibe.util.RecipeEntrypoint;
 
 @Mixin(value = PacketHandlerClient.class,remap = false)
@@ -15,4 +17,11 @@ public class PacketHandlerClientMixin {
     public void handleLogin(PacketLogin packet1login, CallbackInfo ci) {
         FabricLoader.getInstance().getEntrypoints("recipesReady", RecipeEntrypoint.class).forEach(RecipeEntrypoint::initNamespaces);
     }
+
+    @Inject(method = "handleCustomPayload", at = @At(value = "TAIL"))
+    public void handleCustomPayload(PacketCustomPayload customPayloadPacket, CallbackInfo ci) {
+        if ("HALPLIBE".equals(customPayloadPacket.channel)) {
+            new UniversalPacket(customPayloadPacket).handlePacket((PacketHandlerClient) ((Object) this));
+        }
+    }
 }

src/main/java/turniplabs/halplibe/mixin/PacketHandlerServerMixin.java

@@ -0,0 +1,19 @@
+package turniplabs.halplibe.mixin;
+
+import net.minecraft.core.net.packet.PacketCustomPayload;
+import net.minecraft.server.net.handler.PacketHandlerServer;
+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;
+import turniplabs.halplibe.helper.network.UniversalPacket;
+
+@Mixin(value = PacketHandlerServer.class,remap = false)
+public class PacketHandlerServerMixin {
+    @Inject(method = "handleCustomPayload", at = @At(value = "TAIL"))
+    public void handleCustomPayload(PacketCustomPayload customPayloadPacket, CallbackInfo ci) {
+        if ("HALPLIBE".equals(customPayloadPacket.channel)) {
+            new UniversalPacket(customPayloadPacket).handlePacket((PacketHandlerServer) ((Object) this));
+        }
+    }
+}

src/main/resources/halplibe.mixins.json

@@ -9,24 +9,25 @@
     "accessors.BlockAccessor",
     "accessors.BlocksAccessor",
     "accessors.LanguageAccessor",
+    "accessors.PacketHandlerServerAccessor",
     "accessors.WeightedRandomBagAccessor",
-    "accessors.WeightedRandomBagEntryAccessor",
-    "accessors.PacketHandlerServerAccessor"
+    "accessors.WeightedRandomBagEntryAccessor"
   ],
   "client": [
     "MinecraftMixin",
     "PacketHandlerClientMixin",
+    "accessors.EntityFireflyFXAccessor",
+    "accessors.EntityFXAccessor",
     "models.BlockColorDispatcherMixin",
     "models.BlockModelDispatcherMixin",
     "models.EntityRenderDispatcherMixin",
     "models.ItemModelDispatcherMixin",
-    "models.TileEntityRendererDispatcherMixin",
-    "accessors.EntityFireflyFXAccessor",
-    "accessors.EntityFXAccessor"
+    "models.TileEntityRendererDispatcherMixin"
   ],
   "server": [
     "MinecraftServerMixin",
-    "PacketHandlerLoginMixin"
+    "PacketHandlerLoginMixin",
+    "PacketHandlerServerMixin"
   ],
   "injectors": {
     "defaultRequire": 1