Start working on frontend to rust engine rewrite

fix tangents

fix ray construction

Bezierize land outline

Implement BeizerCurveSegments, no tests

merge

collapse rectangle types back together with consistent usage of size

wtf

separate rectangle types based on right/bottom edge inclusivity

actually there is a way to preserve mutable polygon iterator

fix polygons getting unclosed on mirroring

merge

organize landgen a bit more

- Fix land_dump always skipping bezierize step - Fix ix overflow too

yaml crate is having problems with unaligned arrays

add command arguments to use a template from file into land_dump

add a higher level map generation lib to load yaml templates into somewhere

resolve some clippy complaints

- Add distance-divider option to land_dump - Fix multiplication overflow errors (iy went widly out of bounds)

polygonize OutlinePoints

fix compile errors

Implement non-overflowing calculations for high values

land_dump app for testing templated landgen

Fix portal color being switchable after losing control