From 279efb073f06175d734126b3ba61453347ec4e45 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Tue, 16 Sep 2014 14:39:32 +0300
Subject: add server feature for language tab.

---
 src/game.cpp                       | 4 +++-
 src/net/eathena/serverfeatures.cpp | 5 +++++
 src/net/eathena/serverfeatures.h   | 2 ++
 src/net/serverfeatures.h           | 2 ++
 src/net/tmwa/serverfeatures.cpp    | 5 +++++
 src/net/tmwa/serverfeatures.h      | 2 ++
 6 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/game.cpp b/src/game.cpp
index 4bbaa9324..025f4c6d1 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -97,6 +97,7 @@
 #include "net/gamehandler.h"
 #include "net/net.h"
 #include "net/packetcounters.h"
+#include "net/serverfeatures.h"
 
 #include "resources/delayedmanager.h"
 #include "resources/imagewriter.h"
@@ -238,7 +239,8 @@ static void createGuiWindows()
     if (config.getBoolValue("showChatHistory"))
         localChatTab->loadFromLogFile("#General");
 
-    if (serverVersion >= 8 && serverConfig.getValue("enableLangTab", 1))
+    if (Net::getServerFeatures()->haveLangTab()
+        && serverConfig.getValue("enableLangTab", 1))
     {
         const std::string lang = getLangShort();
         if (lang.size() == 2)
diff --git a/src/net/eathena/serverfeatures.cpp b/src/net/eathena/serverfeatures.cpp
index 98deca54f..d4c37927c 100644
--- a/src/net/eathena/serverfeatures.cpp
+++ b/src/net/eathena/serverfeatures.cpp
@@ -52,4 +52,9 @@ bool ServerFeatures::haveServerHp() const
     return true;
 }
 
+bool ServerFeatures::haveLangTab() const
+{
+    return false;
+}
+
 }  // namespace EAthena
diff --git a/src/net/eathena/serverfeatures.h b/src/net/eathena/serverfeatures.h
index 9e297b25e..35c348ecd 100644
--- a/src/net/eathena/serverfeatures.h
+++ b/src/net/eathena/serverfeatures.h
@@ -41,6 +41,8 @@ class ServerFeatures final : public Net::ServerFeatures
         bool haveChangePartyLeader() const override final;
 
         bool haveServerHp() const override final;
+
+        bool haveLangTab() const override final;
 };
 
 }  // namespace EAthena
diff --git a/src/net/serverfeatures.h b/src/net/serverfeatures.h
index a653e2679..ef61bdc16 100644
--- a/src/net/serverfeatures.h
+++ b/src/net/serverfeatures.h
@@ -38,6 +38,8 @@ class ServerFeatures notfinal
         virtual bool haveChangePartyLeader() const = 0;
 
         virtual bool haveServerHp() const = 0;
+
+        virtual bool haveLangTab() const = 0;
 };
 
 }  // namespace Net
diff --git a/src/net/tmwa/serverfeatures.cpp b/src/net/tmwa/serverfeatures.cpp
index aeb514bb1..e6aa700ab 100644
--- a/src/net/tmwa/serverfeatures.cpp
+++ b/src/net/tmwa/serverfeatures.cpp
@@ -54,4 +54,9 @@ bool ServerFeatures::haveServerHp() const
     return serverVersion > 0 || tmwServerVersion >= 0x0E0701;
 }
 
+bool ServerFeatures::haveLangTab() const
+{
+    return serverVersion >= 8;
+}
+
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/serverfeatures.h b/src/net/tmwa/serverfeatures.h
index 0ce0b507a..10c6dd899 100644
--- a/src/net/tmwa/serverfeatures.h
+++ b/src/net/tmwa/serverfeatures.h
@@ -41,6 +41,8 @@ class ServerFeatures final : public Net::ServerFeatures
         bool haveChangePartyLeader() const override final;
 
         bool haveServerHp() const override final;
+
+        bool haveLangTab() const override final;
 };
 
 }  // namespace TmwAthena
-- 
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