Added support for internationalization

Merged from the mainline client. Originally implemented by Guillaume
Melquiond, starting with commit 1828eee6a6d91fd385ad1e69d93044516493aa91.

Conflicts:

	INSTALL
	configure.ac
	src/Makefile.am
	src/gui/buy.cpp
	src/gui/confirm_dialog.cpp
	src/gui/inventorywindow.cpp
	src/gui/login.cpp
	src/gui/menuwindow.cpp
	src/gui/minimap.cpp
	src/gui/ok_dialog.cpp
	src/gui/popupmenu.cpp
	src/gui/register.cpp
	src/gui/sell.cpp
	src/gui/setup.cpp
	src/gui/setup_video.cpp

Signed-off-by: Ira Rice <irarice@gmail.com>

1 files changed, 13 insertions, 1 deletions

diff --git a/src/main.cpp b/src/main.cpp
index 7de3823f..55d295dd 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -80,6 +80,7 @@
 #include "resources/resourcemanager.h"
 
 #include "utils/dtor.h"
+#include "utils/gettext.h"
 #include "utils/tostring.h"
 
 #ifdef __APPLE__
@@ -284,7 +285,7 @@ void init_engine(const Options &options)
     // Add the user's homedir to PhysicsFS search path
     resman->addToSearchPath(homeDir, false);
 
-    // Add the main data directory to our PhysicsFS search path
+    // Add the main data directories to our PhysicsFS search path
     if (!options.dataPath.empty()) {
         resman->addToSearchPath(options.dataPath, true);
     }
@@ -679,6 +680,7 @@ void mapLogin(Network *network, LoginData *loginData)
 
 } // namespace
 
+extern "C" char const *_nl_locale_name_default(void);
 
 /** Main */
 int main(int argc, char *argv[])
@@ -699,6 +701,16 @@ int main(int argc, char *argv[])
         printVersion();
         return 0;
     }
+
+#if ENABLE_NLS
+#ifdef WIN32
+        putenv(("LANG=" + std::string(_nl_locale_name_default())).c_str());
+#endif
+        setlocale(LC_MESSAGES, "");
+        bindtextdomain("aethyra", LOCALEDIR);
+        textdomain("aethyra");
+#endif
+
     // Initialize libxml2 and check for potential ABI mismatches between
     // compiled version and the shared library actually used.
     xmlInitParser();