Identify some stuff in the Camera struct (#238)

Make a header file for all the camera stuff, refresh a lot of
mips_to_c output

Signed-off-by: Taggerung <tyler.taggerung@gmail.com>

src/math_util.h

@@ -49,6 +49,7 @@ s16 func_802B7D28(f32);
 u16 random_u16();
 u16 random_int(u16);
 s16 func_802B7F34(f32, f32, f32, f32);
+void func_802B7F7C(Vec3f, Vec3f, Vec3s);
 f32 sins(u16);
 f32 coss(u16);