Build type information on first use (load-time), instead of using a hardcoded list

--HG--
branch : dynamiccore2

src/modules/mouse/wrap_Cursor.cpp

@@ -28,7 +28,7 @@ namespace mouse
 
 Cursor *luax_checkcursor(lua_State *L, int idx)
 {
-	return luax_checktype<Cursor>(L, idx, MOUSE_CURSOR_ID);
+	return luax_checktype<Cursor>(L, idx, Cursor::type);
 }
 
 int w_Cursor_getType(lua_State *L)
@@ -61,7 +61,7 @@ static const luaL_Reg w_Cursor_functions[] =
 
 extern "C" int luaopen_cursor(lua_State *L)
 {
-	return luax_register_type(L, MOUSE_CURSOR_ID, "Cursor", w_Cursor_functions, nullptr);
+	return luax_register_type(L, Cursor::type, "Cursor", w_Cursor_functions, nullptr);
 }
 
 } // mouse