Bitmap fonts

[RPG]

Yeah dude, but your glyph trimming is exactly what will f*** up the font rendering. It needs that "wasted" space. Did you ever try your textures in-game?

Enough space of 1 pixel. Do not think that I offer not tested solution.
See it in action:

This is russian font Paratype I use in game:

Oh, and you missed the most important feature off TTF2Font: it automatically creates the font config file.

I have font config file too:) Of course it has different format due to different rendering technique.