Add minetest.load_translation to the main menu API

src/gui/guiEngine.cpp

@@ -38,6 +38,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "client/fontengine.h"
 #include "client/guiscalingfilter.h"
 #include "irrlicht_changes/static_text.h"
+#include "translation.h"
 
 #if ENABLE_GLES
 #include "client/tile.h"
@@ -184,6 +185,7 @@ GUIEngine::GUIEngine(JoystickController *joystick,
 
 	infostream << "GUIEngine: Initializing Lua" << std::endl;
 
+	g_client_translations->clear();
 	m_script = new MainMenuScripting(this);
 
 	try {

src/script/lua_api/l_mainmenu.cpp

@@ -34,6 +34,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "serverlist.h"
 #include "mapgen/mapgen.h"
 #include "settings.h"
+#include "translation.h"
 
 #include <IFileArchive.h>
 #include <IFileSystem.h>
@@ -946,6 +947,14 @@ int ModApiMainMenu::l_sleep_ms(lua_State *L)
 	return 0;
 }
 
+/******************************************************************************/
+int ModApiMainMenu::l_load_translation(lua_State *L)
+{
+	const std::string tr_data = luaL_checkstring(L, 1);
+	g_client_translations->loadTranslation(tr_data);
+	return 0;
+}
+
 /******************************************************************************/
 void ModApiMainMenu::Initialize(lua_State *L, int top)
 {
@@ -992,6 +1001,7 @@ void ModApiMainMenu::Initialize(lua_State *L, int top)
 	API_FCT(open_url);
 	API_FCT(open_dir);
 	API_FCT(do_async_callback);
+	API_FCT(load_translation);
 }
 
 /******************************************************************************/

src/script/lua_api/l_mainmenu.h

@@ -158,6 +158,9 @@ private:
 	// async
 	static int l_do_async_callback(lua_State *L);
 
+	// MultiCraft
+	static int l_load_translation(lua_State *L);
+
 	static int l_sleep_ms(lua_State *L);
 
 public: