well, i stripped out the tilemap shader parts and now just trying

to get basic normal mapped lighting working with 16x16 textures. some more
progress, but now i need to convert the lightp osition properly
more..
it sort of lights, but it's only "lighting" the bottom left edges..
wow, that's an even better start..
more fixes, getting there. just the light radius isn't all the way

in a circle like it (obviously) should be
Revert "more fixes, getting there. just the light radius isn't all the way"

lighting is completely broken after this, best start from square 0

This reverts commit 5335928d3058ff910b7f2b99adb7359ff8ed8303.