Created new packet for requesting the last input tick from a client.

src/main/java/dev/micle/loginprotection/network/server/RequestLastInputTickPacket.java

@@ -0,0 +1,30 @@
+package dev.micle.loginprotection.network.server;
+
+import dev.micle.loginprotection.network.NetworkManager;
+import dev.micle.loginprotection.network.client.LastInputTickPacket;
+import net.minecraft.network.FriendlyByteBuf;
+import net.minecraftforge.network.NetworkEvent;
+
+import java.util.function.Supplier;
+
+public class RequestLastInputTickPacket {
+    public RequestLastInputTickPacket() {}
+
+    public static void encode(final RequestLastInputTickPacket packet, final FriendlyByteBuf buffer) {
+        NetworkManager.writeVersionInfo(buffer, false);
+    }
+
+    public static RequestLastInputTickPacket decode(final FriendlyByteBuf buffer) {
+        NetworkManager.checkVersion(buffer);
+        return new RequestLastInputTickPacket();
+    }
+
+    public static void handle(final RequestLastInputTickPacket packet, final Supplier<NetworkEvent.Context> contextSupplier) {
+        final NetworkEvent.Context context = contextSupplier.get();
+        context.enqueueWork(() -> {
+            // Send last input tick packet back to server
+            NetworkManager.getChannel().sendToServer(new LastInputTickPacket());
+        });
+        context.setPacketHandled(true);
+    }
+}