Added global lua function for fetching the list of available sound drivers. Moved WaveOut to the front of the list to make it the first driver to try on Windows.

src/GameSoundManager.cpp

@@ -18,6 +18,8 @@
 #include "SongUtil.h"
 #include "LuaManager.h"
 
+#include "arch/Sound/RageSoundDriver.h"
+
 GameSoundManager *SOUND = NULL;
 
 /*
@@ -869,7 +871,22 @@ public:
 	}
 };
 
-LUA_REGISTER_CLASS( GameSoundManager )
+LUA_REGISTER_CLASS(GameSoundManager);
+
+int LuaFunc_get_sound_driver_list(lua_State* L);
+int LuaFunc_get_sound_driver_list(lua_State* L)
+{
+	vector<RString> driver_names;
+	split(RageSoundDriver::GetDefaultSoundDriverList(), ",", driver_names, true);
+	lua_createtable(L, driver_names.size(), 0);
+	for(size_t n= 0; n < driver_names.size(); ++n)
+	{
+		lua_pushstring(L, driver_names[n].c_str());
+		lua_rawseti(L, -2, n+1);
+	}
+	return 1;
+}
+LUAFUNC_REGISTER_COMMON(get_sound_driver_list);
 
 
 /*