use var lang instead of alias LANG, and some cleanup in language detection

git-svn-id: svn://svn.code.sf.net/p/actiongame/code/trunk/ac@6774 e016b1c5-ed68-44aa-a2f7-31cac88cffde

source/src/client.cpp

@@ -215,7 +215,7 @@ void disconnect(int onlyclean, int async)
     }
 #endif
     if(!onlyclean) localconnect();
-    
+
     if(identexists("onDisconnect")) execute("onDisconnect");
 }
 
@@ -582,7 +582,7 @@ void sendintro()
     putint(p, getbuildtype());
     sendstring(player1->name, p);
     sendstring(genpwdhash(player1->name, clientpassword, sessionid), p);
-    const char *lang = getalias("LANG");
+    extern const char *lang;
     sendstring(!lang || strlen(lang) != 2 ? "" : lang, p);
     putint(p, connectrole);
     clientpassword[0] = '\0';

source/src/i18n.cpp

@@ -3,6 +3,8 @@
 #include "cube.h"
 #include <locale.h>
 
+SVARP(lang, "");
+
 i18nmanager::i18nmanager(const char *domain, const char *basepath) : domain(domain), basepath(basepath)
 {
     locale = setlocale(LC_ALL, ""); // use current default locale
@@ -10,14 +12,18 @@ i18nmanager::i18nmanager(const char *domain, const char *basepath) : domain(doma
     textdomain(domain);
     bind_textdomain_codeset(domain, "UTF-8"); // we use the utf-8 charset only
 
-    char lang[3];
+
+    char localelang[3];
+    if(!lang[0])
+    {
 #ifdef WIN32
-    GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SISO639LANGNAME, lang, 3);
+        GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SISO639LANGNAME, localelang, 3);
 #else
-    copystring(lang, locale, 3);
+        copystring(localelang, locale, 3);
 #endif
-    filterlang(lang, lang);
-    alias("LANG", lang);
+        filterlang(localelang, localelang);
+        copystring(lang, localelang, 3);
+    }
     printf("current locale: %s (%s)\n", locale, lang);
 
     setlocale(LC_NUMERIC, "C"); // make sure numeric is consistent (very important for float usage in scripts)

source/src/main.cpp

@@ -134,6 +134,8 @@ void writeinitcfg()
     extern int audio, soundchannels;
     f->printf("audio %d\n", audio > 0 ? 1 : 0);
     f->printf("soundchannels %d\n", soundchannels);
+    extern const char *lang;
+    f->printf("lang %s\n", lang);
     delete f;
 }
 

source/src/serverbrowser.cpp

@@ -373,9 +373,11 @@ void pingservers(bool issearch, serverinfo *onlyconnected)
         if(si->getinfo == EXTPING_SERVERINFO)
         {
             putint(p, EXTPING_SERVERINFO);
-            const char *lang = getalias("LANG");
-            if(!lang || strlen(lang) != 2) lang = "en";
-            loopi(2) putint(p, lang[i]);
+            extern const char *lang;
+            const char *silang;
+            if(strlen(lang) != 2) silang = "en";
+            else silang = lang;
+            loopi(2) putint(p, silang[i]);
         }
         else putint(p, issearch ? EXTPING_NAMELIST : chooseextping(si));
         buf.data = ping;