Fix reading client settings throws error on 1.20.2

Author: Rothes

pom.xml

@@ -133,10 +133,16 @@
             <version>2.12.0</version>
             <scope>compile</scope>
         </dependency>
+<!--        <dependency>-->
+<!--            <groupId>com.comphenix.protocol</groupId>-->
+<!--            <artifactId>ProtocolLib</artifactId>-->
+<!--            <version>5.1.0</version>-->
+<!--            <scope>provided</scope>-->
+<!--        </dependency>-->
         <dependency>
-            <groupId>com.comphenix.protocol</groupId>
+            <groupId>com.github.dmulloy2</groupId>
             <artifactId>ProtocolLib</artifactId>
-            <version>5.0.0</version>
+            <version>master-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
         <dependency>

src/main/java/me/rothes/protocolstringreplacer/packetlisteners/PacketListenerManager.java

@@ -6,6 +6,7 @@
 import me.rothes.protocolstringreplacer.PsrLocalization;
 import me.rothes.protocolstringreplacer.packetlisteners.client.CloseWindow;
 import me.rothes.protocolstringreplacer.packetlisteners.client.SettingsLocale;
+import me.rothes.protocolstringreplacer.packetlisteners.client.SettingsLocaleUpper20;
 import me.rothes.protocolstringreplacer.packetlisteners.client.itemstack.SetCreativeSlot;
 import me.rothes.protocolstringreplacer.packetlisteners.client.itemstack.WindowClick;
 import me.rothes.protocolstringreplacer.packetlisteners.server.actionbar.ChatActionBar;
@@ -143,7 +144,12 @@ public void addListeners() {
         listeners.add(new WindowClick());
         listeners.add(new SetCreativeSlot());
         listeners.add(new CloseWindow());
-        listeners.add(new SettingsLocale());
+        if ((ProtocolStringReplacer.getInstance().getServerMajorVersion() == 20 && ProtocolStringReplacer.getInstance().getServerMinorVersion() >= 2)
+                || ProtocolStringReplacer.getInstance().getServerMajorVersion() > 20) {
+            listeners.add(new SettingsLocaleUpper20());
+        } else {
+            listeners.add(new SettingsLocale());
+        }
 
         for (AbstractPacketListener listener : listeners) {
             try {

src/main/java/me/rothes/protocolstringreplacer/packetlisteners/client/SettingsLocaleUpper20.java

@@ -0,0 +1,49 @@
+package me.rothes.protocolstringreplacer.packetlisteners.client;
+
+import com.comphenix.protocol.PacketType;
+import com.comphenix.protocol.events.PacketEvent;
+import me.rothes.protocolstringreplacer.api.user.PsrUser;
+import org.jetbrains.annotations.NotNull;
+
+import java.lang.reflect.Field;
+import java.util.Locale;
+
+public class SettingsLocaleUpper20 extends AbstractClientPacketListener {
+
+    private Field language;
+
+    public SettingsLocaleUpper20() {
+        super(PacketType.Play.Client.SETTINGS);
+    }
+
+    @Override
+    protected void process(@NotNull PacketEvent packetEvent) {
+        PsrUser user = getEventUser(packetEvent);
+        if (user == null) {
+            return;
+        }
+        Object record = packetEvent.getPacket().getModifier().read(0);
+        String read;
+        try {
+            read = (String) field().get(record);
+        } catch (IllegalAccessException e) {
+            throw new RuntimeException(e);
+        }
+        user.setClientLocale(read.toLowerCase(Locale.ROOT).replace('-', '_'));
+    }
+
+    private Field field() {
+        if (language == null) {
+            language = PacketType.Play.Client.SETTINGS.getPacketClass().getDeclaredFields()[0].getType().getDeclaredFields()[0];
+            language.setAccessible(true);
+        }
+        return language;
+    }
+
+    @Override
+    protected boolean canWrite(@NotNull PacketEvent packetEvent) {
+        // We just read it.
+        return true;
+    }
+
+}