增强客户端语言获取

bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/network/BukkitNetworkManager.java

@@ -358,6 +358,7 @@ public class BukkitNetworkManager implements NetworkManager, Listener, PluginMes
         registerNMSPacketConsumer(new FinishConfigurationListener(), NetworkReflections.clazz$ClientboundFinishConfigurationPacket);
         registerNMSPacketConsumer(new LoginFinishedListener(), NetworkReflections.clazz$ClientboundLoginFinishedPacket);
         registerNMSPacketConsumer(new UpdateTagsListener(), NetworkReflections.clazz$ClientboundUpdateTagsPacket);
+        registerNMSPacketConsumer(new ClientInformationListener(), VersionHelper.isOrAbove1_20_2() ? NetworkReflections.clazz$ServerboundClientInformationPacket1 : NetworkReflections.clazz$ServerboundClientInformationPacket0);
         registerNMSPacketConsumer(new ContainerClickListener1_21_5(), VersionHelper.isOrAbove1_21_5() ? NetworkReflections.clazz$ServerboundContainerClickPacket : null);
         registerS2CGamePacketListener(new ForgetLevelChunkListener(), this.packetIds.clientboundForgetLevelChunkPacket(), "ClientboundForgetLevelChunkPacket");
         registerS2CGamePacketListener(new SetScoreListener1_20_3(), VersionHelper.isOrAbove1_20_3() ? this.packetIds.clientboundSetScorePacket() : -1, "ClientboundSetScorePacket");
@@ -1288,6 +1289,27 @@ public class BukkitNetworkManager implements NetworkManager, Listener, PluginMes
         }
     }
 
+    public static class ClientInformationListener implements NMSPacketListener {
+
+        @Override
+        public void onPacketReceive(NetWorkUser user, NMSPacketEvent event, Object packet) {
+            try {
+                if (VersionHelper.isOrAbove1_20_2()) {
+                    Object clientInfo = NetworkReflections.field$ServerboundClientInformationPacket$information.get(packet);
+                    if (clientInfo == null) return;
+                    String locale = (String) CoreReflections.field$ClientInformation$language.get(clientInfo);
+                    if (locale == null) return;
+                    ((BukkitServerPlayer) user).setClientLocale(TranslationManager.parseLocale(locale));
+                } else {
+                    String locale = (String) NetworkReflections.field$ServerboundClientInformationPacket$language.get(packet);
+                    if (locale == null) return;
+                    ((BukkitServerPlayer) user).setClientLocale(TranslationManager.parseLocale(locale));
+                }
+            } catch (ReflectiveOperationException e) {
+                CraftEngine.instance().logger().warn("Failed to handle ServerboundClientInformationPacket", e);
+            }
+        }
+    }
 
     public static class SetCreativeSlotListener implements NMSPacketListener {
 

bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/reflection/minecraft/NetworkReflections.java

@@ -1087,20 +1087,31 @@ public final class NetworkReflections {
             ReflectionUtils.getDeclaredConstructor(clazz$ClientboundMoveEntityPacket$Pos, int.class, short.class, short.class, short.class, boolean.class)
     );
 
-    // 1.20.2+
-    public static final Class<?> clazz$ServerboundClientInformationPacket =
-            ReflectionUtils.getClazz(BukkitReflectionUtils.assembleMCClass("network.protocol.common.ServerboundClientInformationPacket"));
+    // 1.20.1
+    public static final Class<?> clazz$ServerboundClientInformationPacket0 =
+            BukkitReflectionUtils.findReobfOrMojmapClass(
+                    "network.protocol.game.PacketPlayInSettings",
+                    "network.protocol.game.ServerboundClientInformationPacket"
+            );
+
+    // 1.20.1
+    public static final Field field$ServerboundClientInformationPacket$language = MiscUtils.requireNonNullIf(Optional.ofNullable(clazz$ServerboundClientInformationPacket0)
+            .map(it -> ReflectionUtils.getDeclaredField(it, String.class, 0))
+            .orElse(null), !VersionHelper.isOrAbove1_20_2());
 
     // 1.20.2+
-    public static final Constructor<?> constructor$ServerboundClientInformationPacket = Optional.ofNullable(clazz$ServerboundClientInformationPacket)
-            .map(it -> ReflectionUtils.getConstructor(it, 1))
-            .orElse(null);
+    public static final Class<?> clazz$ServerboundClientInformationPacket1 = MiscUtils.requireNonNullIf(
+            ReflectionUtils.getClazz(BukkitReflectionUtils.assembleMCClass("network.protocol.common.ServerboundClientInformationPacket")),
+            VersionHelper.isOrAbove1_20_2()
+    );
 
     // 1.20.2+
-    public static final Field field$ServerboundClientInformationPacket$information = Optional.ofNullable(clazz$ServerboundClientInformationPacket)
-            .map(it -> ReflectionUtils.getDeclaredField(it, 0))
-            .orElse(null);
-
+    public static final Field field$ServerboundClientInformationPacket$information = MiscUtils.requireNonNullIf(
+            Optional.ofNullable(clazz$ServerboundClientInformationPacket1)
+                .map(it -> ReflectionUtils.getDeclaredField(it, CoreReflections.clazz$ClientInformation, 0))
+                .orElse(null),
+            VersionHelper.isOrAbove1_20_2()
+    );
 
     public static final Class<?> clazz$ClientboundSetTitleTextPacket = requireNonNull(
             ReflectionUtils.getClazz(

bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/user/BukkitServerPlayer.java

@@ -127,9 +127,11 @@ public class BukkitServerPlayer extends Player {
     private ConcurrentLong2ReferenceChainedHashTable<ChunkStatus> trackedChunks;
     // entity view
     private Map<Integer, EntityPacketHandler> entityTypeView;
-    // selected client locale
+    // 通过指令或api设定的语言
     @Nullable
     private Locale selectedLocale;
+    // 客户端选择的语言
+    private Locale clientLocale;
     // 存储客户端在发送停止破坏包前正在破坏的最后一个方块
     private BlockPos lastStopMiningPos;
     // 修复连续挖掘的标志位
@@ -1233,7 +1235,21 @@ public class BukkitServerPlayer extends Player {
 
     @Override
     public Locale locale() {
-        return this.platformPlayer().locale();
+        if (this.clientLocale != null) {
+            return this.clientLocale;
+        } else {
+            org.bukkit.entity.Player player = this.platformPlayer();
+            if (player != null) {
+                return player.locale();
+            } else {
+                return Locale.US;
+            }
+        }
+    }
+
+    @Override
+    public void setClientLocale(Locale clientLocale) {
+        this.clientLocale = clientLocale;
     }
 
     @Override

core/src/main/java/net/momirealms/craftengine/core/entity/player/Player.java

@@ -180,6 +180,8 @@ public abstract class Player extends AbstractEntity implements NetWorkUser {
 
     public abstract Locale locale();
 
+    public abstract void setClientLocale(Locale clientLocale);
+
     public abstract Locale selectedLocale();
 
     public abstract void setSelectedLocale(@Nullable Locale locale);