carpet client synchronizations and protocols

src/main/java/carpet/mixins/ServerPlayNetworkHandlerMixin.java

@@ -0,0 +1,31 @@
+package carpet.mixins;
+
+import carpet.fakes.CustomPayloadC2SPacketInterface;
+import carpet.network.CarpetClient;
+import carpet.network.ServerNetworkHandler;
+import net.minecraft.network.packet.c2s.play.CustomPayloadC2SPacket;
+import net.minecraft.server.network.ServerPlayNetworkHandler;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.util.Identifier;
+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;
+
+@Mixin(ServerPlayNetworkHandler.class)
+public class ServerPlayNetworkHandlerMixin
+{
+    @Shadow public ServerPlayerEntity player;
+
+    @Inject(method = "onCustomPayload", at = @At("HEAD"), cancellable = true)
+    private void onCustomCarpetPayload(CustomPayloadC2SPacket packet, CallbackInfo ci)
+    {
+        Identifier channel = ((CustomPayloadC2SPacketInterface) packet).getPacketChannel();
+        if (CarpetClient.CARPET_CHANNEL.equals(channel))
+        {
+            ServerNetworkHandler.handleData(((CustomPayloadC2SPacketInterface) packet).getPacketData(), player);
+            ci.cancel();
+        }
+    }
+}