Created new packet for sending the player state to the client.

src/main/java/dev/micle/loginprotection/network/ServerPlayerStatePacket.java

@@ -0,0 +1,34 @@
+package dev.micle.loginprotection.network;
+
+import dev.micle.loginprotection.data.ProtectedPlayer;
+import dev.micle.loginprotection.proxy.Proxy;
+import net.minecraft.network.FriendlyByteBuf;
+import net.minecraftforge.network.NetworkEvent;
+
+import java.util.function.Supplier;
+
+public class ServerPlayerStatePacket {
+    private final ProtectedPlayer.State state;
+
+    public ServerPlayerStatePacket(ProtectedPlayer.State state) {
+        this.state = state;
+    }
+
+    public static void encode(final ServerPlayerStatePacket packet, final FriendlyByteBuf buffer) {
+        NetworkManager.writeVersionInfo(buffer, true);
+        buffer.writeUtf(packet.state.toString());
+    }
+
+    public static ServerPlayerStatePacket decode(final FriendlyByteBuf buffer) {
+        NetworkManager.checkVersion(buffer);
+        return new ServerPlayerStatePacket(ProtectedPlayer.State.valueOf(buffer.readUtf()));
+    }
+
+    public static void handle(final ServerPlayerStatePacket packet, final Supplier<NetworkEvent.Context> contextSupplier) {
+        final NetworkEvent.Context context = contextSupplier.get();
+        context.enqueueWork(() -> {
+            Proxy.Client.setPlayerState(packet.state);
+        });
+        context.setPacketHandled(true);
+    }
+}