Migrate Carpet Mixin names to mojang mappings

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

@@ -0,0 +1,38 @@
+package carpet.mixins;
+
+import carpet.fakes.ClientConnectionInterface;
+import carpet.logging.logHelpers.PacketCounter;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.util.concurrent.Future;
+import io.netty.util.concurrent.GenericFutureListener;
+import net.minecraft.network.Connection;
+import net.minecraft.network.protocol.Packet;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Accessor;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(Connection.class)
+public abstract class Connection_packetCounterMixin implements ClientConnectionInterface
+{
+    // Add to the packet counter whenever a packet is received.
+    @Inject(method = "channelRead0", at = @At("HEAD"))
+    private void packetInCount(ChannelHandlerContext channelHandlerContext_1, Packet<?> packet_1, CallbackInfo ci)
+    {
+        PacketCounter.totalIn++;
+    }
+    
+    // Add to the packet counter whenever a packet is sent.
+    @Inject(method = "sendPacket", at = @At("HEAD"))
+    private void packetOutCount(Packet<?> packet_1,
+            GenericFutureListener<? extends Future<? super Void>> genericFutureListener_1, CallbackInfo ci)
+    {
+        PacketCounter.totalOut++;
+    }
+
+    @Override
+    @Accessor //Compat with adventure-platform-fabric
+    public abstract void setChannel(Channel channel);
+}