Dynamic Actor IDs (#1729)

* Add dynamic actor IDs

* Convert Ivan to use new actor system

* attempt to fix linux build

* attempt to fix linux build

* merge

* Cleanup

* Fix missing math functions on Windows.

* Removes a stubbed function to fix non-windows builds.

* Update soh/soh/ActorDB.cpp

Co-authored-by: Adam Bird <Archez@users.noreply.github.com>

---------

Co-authored-by: Christopher Leggett <chris@leggett.dev>
Co-authored-by: Adam Bird <Archez@users.noreply.github.com>

soh/include/fp.h

@@ -28,7 +28,5 @@ s32 lnearbyint(f64 x);
 
 f32 roundf(f32 x);
 f64 round(f64 x);
-s32 lroundf(f32 x);
-s32 lround(f64 x);
 
 #endif