`PartRenderer::renderVao` no longer throws if bad array class is given, this is now checked on compile time

The renderer now centers on the grid origin, not the part origin

Hopefully fixed all problems with determining polygon winding

Add settings import and export

Made editor font configurable

Move the about dialog to MainWindow. The hack to retrieve GL extensions is made a bit cleaner

Readd the MainWindow class and renderstyle button handling to it

(0) -300 -100 -30 -10 -7 +7 +10 tip

mercurial