In fact, when you change options like resolutions, controls, they are automatically saved when quitting the game.
It may maybe be better to add an option like Save Options ? (ingame)
In fact, the problem is that game engine and editor are dissociated, on slow computer, it can create big slowdown issues to have both editor and test game running at the same time.
if I find a way to minimize the editor (and slow it down to keep less cpu %) it may be possible to make a "test level" functionality.
I've also added the fact to put a 3D scene on the main menu background. (it's nicer :p) and it use Fixed Camera 1 to display the scene.
It gives something like this :
I've also added support for Evolved's Fresnel water.
It gives something like this:
I'm currently working on the adaptation of Ultimate Shader Pack on DarkSHADER. After this, I'll adapt shaders from DarkSHADERS to work directly within X-Quad Editor (to make some shaders available directly from the editor).