fixed https://github.com/ViaVersion/ViaFabricPlus/issues/115

src/main/java/de/florianmichael/viafabricplus/base/settings/groups/GeneralSettings.java

@@ -37,6 +37,7 @@ public class GeneralSettings extends SettingGroup {
     public final BooleanSetting showExtraInformationInDebugHud = new BooleanSetting(this, Text.translatable("general.viafabricplus.extrainformation"), true);
     public final BooleanSetting showClassicLoadingProgressInConnectScreen = new BooleanSetting(this, Text.translatable("general.viafabricplus.classicloading"), true);
     public final BooleanSetting autoDetectVersion = new BooleanSetting(this, Text.translatable("general.viafabricplus.autodetect"), false);
+    public final BooleanSetting showAdvertisedServerVersion = new BooleanSetting(this, Text.translatable("general.viafabricplus.advertised"), true);
 
     public GeneralSettings() {
         super(Text.translatable("settings.viafabricplus.general"));

src/main/java/de/florianmichael/viafabricplus/injection/access/IServerInfo.java

@@ -23,4 +23,10 @@ public interface IServerInfo {
 
     VersionEnum viafabricplus_forcedVersion();
     void viafabricplus_forceVersion(VersionEnum version);
+
+    boolean viafabricplus_enabled();
+    void viafabricplus_enable();
+
+    int viafabricplus_translatingVersion();
+    void viafabricplus_setTranslatingVersion(final int version);
 }

src/main/java/de/florianmichael/viafabricplus/injection/mixin/base/MixinMultiplayerServerListPinger_1.java

@@ -0,0 +1,53 @@
+/*
+ * This file is part of ViaFabricPlus - https://github.com/FlorianMichael/ViaFabricPlus
+ * Copyright (C) 2021-2023 FlorianMichael/EnZaXD and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package de.florianmichael.viafabricplus.injection.mixin.base;
+
+import de.florianmichael.viafabricplus.injection.access.IServerInfo;
+import de.florianmichael.viafabricplus.protocolhack.ProtocolHack;
+import net.minecraft.client.network.ServerInfo;
+import net.minecraft.network.ClientConnection;
+import net.minecraft.network.listener.ClientQueryPacketListener;
+import net.minecraft.network.packet.s2c.query.QueryResponseS2CPacket;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(targets = "net.minecraft.client.network.MultiplayerServerListPinger$1")
+public abstract class MixinMultiplayerServerListPinger_1 implements ClientQueryPacketListener {
+
+    @Final
+    @Shadow
+    ClientConnection field_3774;
+
+    @Final
+    @Shadow
+    ServerInfo field_3776;
+
+    @Inject(method = "onResponse(Lnet/minecraft/network/packet/s2c/query/QueryResponseS2CPacket;)V", at = @At("HEAD"))
+    public void trackTranslatingState(QueryResponseS2CPacket packet, CallbackInfo ci) {
+        if (field_3774.channel.hasAttr(ProtocolHack.LOCAL_VIA_CONNECTION)) {
+            ((IServerInfo) field_3776).viafabricplus_enable();
+
+            final var userConnection = field_3774.channel.attr(ProtocolHack.LOCAL_VIA_CONNECTION).get();
+            ((IServerInfo) field_3776).viafabricplus_setTranslatingVersion(userConnection.getProtocolInfo().getServerProtocolVersion());
+        }
+    }
+}

src/main/java/de/florianmichael/viafabricplus/injection/mixin/base/MixinMultiplayerServerListWidget_ServerEntry.java

@@ -0,0 +1,55 @@
+/*
+ * This file is part of ViaFabricPlus - https://github.com/FlorianMichael/ViaFabricPlus
+ * Copyright (C) 2021-2023 FlorianMichael/EnZaXD and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package de.florianmichael.viafabricplus.injection.mixin.base;
+
+import de.florianmichael.viafabricplus.base.settings.groups.GeneralSettings;
+import de.florianmichael.viafabricplus.injection.access.IServerInfo;
+import net.minecraft.client.gui.screen.multiplayer.MultiplayerScreen;
+import net.minecraft.client.gui.screen.multiplayer.MultiplayerServerListWidget;
+import net.minecraft.client.network.ServerInfo;
+import net.minecraft.text.Text;
+import net.raphimc.vialoader.util.VersionEnum;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Mixin(MultiplayerServerListWidget.ServerEntry.class)
+public class MixinMultiplayerServerListWidget_ServerEntry {
+
+    @Shadow @Final private ServerInfo server;
+
+    @Redirect(method = "render", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/gui/screen/multiplayer/MultiplayerScreen;setMultiplayerScreenTooltip(Ljava/util/List;)V", ordinal = 0))
+    public void showTranslatingInformation(MultiplayerScreen instance, List<Text> tooltip) {
+        final List<Text> tooltipOverwrite = new ArrayList<>(tooltip);
+        if (GeneralSettings.INSTANCE.showAdvertisedServerVersion.getValue()) {
+            final IServerInfo accessor = ((IServerInfo) server);
+            if (accessor.viafabricplus_enabled()) {
+                final var versionEnum = VersionEnum.fromProtocolId(accessor.viafabricplus_translatingVersion());
+
+                tooltipOverwrite.add(Text.translatable("words.viafabricplus.translate", versionEnum != VersionEnum.UNKNOWN ? versionEnum.getName() + " (" + versionEnum.getVersion() + ")" : accessor.viafabricplus_translatingVersion()));
+                tooltipOverwrite.add(Text.of("Server version: " + server.version.getString() + " (" + server.protocolVersion + ")"));
+            }
+        }
+        instance.setMultiplayerScreenTooltip(tooltipOverwrite);
+    }
+}

src/main/java/de/florianmichael/viafabricplus/injection/mixin/base/MixinServerInfo.java

@@ -70,4 +70,30 @@ public class MixinServerInfo implements IServerInfo {
     public void trackForcedVersion(ServerInfo serverInfo, CallbackInfo ci) {
         viafabricplus_forceVersion(((IServerInfo) serverInfo).viafabricplus_forcedVersion());
     }
+
+    @Unique
+    private boolean viafabricplus_enabled;
+
+    @Override
+    public boolean viafabricplus_enabled() {
+        return viafabricplus_enabled;
+    }
+
+    @Override
+    public void viafabricplus_enable() {
+        viafabricplus_enabled = true;
+    }
+
+    @Unique
+    private int viafabricplus_translatingVersion;
+
+    @Override
+    public int viafabricplus_translatingVersion() {
+        return viafabricplus_translatingVersion;
+    }
+
+    @Override
+    public void viafabricplus_setTranslatingVersion(int version) {
+        viafabricplus_translatingVersion = version;
+    }
 }

src/main/resources/assets/viafabricplus/lang/en_us.json

@@ -13,6 +13,7 @@
   "words.viafabricplus.reset": "Reset",
   "words.viafabricplus.copy": "Copy code",
   "words.viafabricplus.error": "Something went wrong! Please try again later",
+  "words.viafabricplus.translate": "Via translates to: %s",
 
   "settings.viafabricplus.authentication": "Authentication",
   "settings.viafabricplus.experimental": "Experimental",
@@ -27,6 +28,7 @@
   "general.viafabricplus.creative": "Remove not available items from creative tab",
   "general.viafabricplus.protocolsync": "Automatically change Settings based on the current version",
   "general.viafabricplus.autodetect": "Auto detect version",
+  "general.viafabricplus.advertised": "Show advertised/server version in Multiplayer",
 
   "experimental.viafabricplus.chunkborderfix": "Fix Chunk borders",
   "experimental.viafabricplus.watermovement": "Water movement edge detection",

src/main/resources/viafabricplus.mixins.json

@@ -16,6 +16,8 @@
     "base.MixinMinecraftClient",
     "base.MixinMultiplayerScreen",
     "base.MixinMultiplayerServerListPinger",
+    "base.MixinMultiplayerServerListPinger_1",
+    "base.MixinMultiplayerServerListWidget_ServerEntry",
     "base.MixinOptionsScreen",
     "base.MixinServerInfo",
     "base.MixinSharedConstants",