* first few functions
* two more almost matching functions
* Rebase to NBS, get it to compile
* BgCheck_RaycastFloorStaticList OK, fix-up some functions
* BgCheck_SphVsStaticWall OK! and a few others
* more z_bgcheck NON_MATCHINGS
* OK more functions, reorganize external reference #defines
* More functions OK, more struct fixes
* More OKs
* Decomp all the way to the end of bgcheck
* All functions attempted
* Rename functions
* formatting, data migration
* Give names to unk structs, rename some structs, fix some non-equivalent functions
* WaterBox_GetSurfaceImpl OK
* BgCheck_ResetPolyCheckTbl OK, improve WaterBox_GetSurface2 codegen, eliminate warnings and clean up source.
* BcCheck3_BgActorInit ->BgCheck3_BgActorInit, fix warnings
* pr change requests
* fix crc maybe
* implement more changes
* implement alf's changes
* 1 scene done, Z2_SOUGEN OK
* All scenes OK
* Makefile improvements
* Use WIP ZAPD branch as submodule
* Add spawn rotation flag macro
* Fix bad merge
* Move scenes to be in their own subfolders
* Rename and restructure extracted baserom files
* Progress tracking for assets
* Add asset progress to csv
* Use master ZAPD
* Use distclean like in OOT
* Fix up a few things with the makefile
* Fix scenes not being dumped from ELF
Co-authored-by: Rozelette <Uberpanzermensch@gmail.com>