improve errors
merge state debug dumper
use detailed debugging in map gen
more distinct wall chars
not all sealed walls are walls. okay
handle negative region IDs
also catches some missed semis
stop using the "dark shade" character for standard walls
now uses inverse bullet for sealed walls and full block otherwise
also show final result with region numbers
fix fencepost error when merging regions
map connectedness checker (floodfill)
check for connectedness in mapgen
add commented-out cheat and test buttons
looks like mapgen is now fixed. here are the buttons I used to test it
autoformat code
Merge branch 'main' into fix-mapgen
Co-authored-by: Kistaro Windrider <kistaro@gmail.com>
Reviewed-on: #39
