code_80140E80 OK and preliminary documentation, Fbdemo_Wipe4 OK and documented (#1106)

* OK, start documentation

* More documentation

Co-authored-by: Tharo <17233964+Thar0@users.noreply.github.com>

* Decompile func_80167F0C

* FbdemoWipe4 OK and documented

* Mark bug in Wipe4

* More docs

Co-authored-by: Tharo <17233964+Thar0@users.noreply.github.com>

* Mark bug

* Few more notes

* Fix function in Play

* Format

* Review

* Name Play_PostWorldDraw

* functions.h...

* Revert func_80167F0C

* Review

* functions.h

* Review

* Update Wipe4

* Rename system

* Format

* Put skeleton back in the cupboard

* bss

* Fix build

* rename to z_visfbuf

* review

* format

* bss

* some bss cleanup

* review

* bss

* review

---------

Co-authored-by: Tharo <17233964+Thar0@users.noreply.github.com>
Co-authored-by: angie <angheloalf95@gmail.com>

include/z64camera.h

@@ -2,7 +2,11 @@
 #define Z64CAMERA_H
 
 #include "ultra64.h"
+#include "z64actor.h"
 #include "z64save.h"
+#include "unk.h"
+
+struct CollisionPoly;
 
 // these two angle conversion macros are slightly inaccurate
 #define CAM_DEG_TO_BINANG(degrees) (s16)((degrees) * ((f32)0xFFFF / 360) + .5f)
@@ -373,7 +377,7 @@ typedef enum {
 typedef struct {
     /* 0x00 */ Vec3f pos;
     /* 0x0C */ Vec3f norm;
-    /* 0x18 */ CollisionPoly* poly;
+    /* 0x18 */ struct CollisionPoly* poly;
     /* 0x1C */ VecGeo geoNorm;
     /* 0x24 */ s32 bgId;
 } CameraCollision; // size = 0x28