New Menu System Progress (Patreon)

Changed some things in the way that the menu scrolling is done. Now there are blinking indicators to show whether there the menu can be scrolled up and down, and the label of the topmost visible section is always displayed, which helped to make the scrolling algorithm simpler and less abrupt (no need to force scrolling up to display labels).

Right now I'm implementing the console commands to create and use the new menu system. A fundamental departure from the old menu system is that there will be no individual commands for toggling each menu anymore; it will use the same "menu" command for all menus, with individual parameters for toggling each menu. So, instead of using commands like "menu_singleplayer" and "menu_options", the user will have to use "menu singleplayer" and "menu options".

Also, when the new system is fully working, all menus will be created from external commands — there will be no built-in menus anymore, but I'll provide a menu.ini file with predefined commands to recreate all menus.