Decomp Message_GetState, add TextState enum and some header reorganization (#919)

* Message_GetState

* Rename msgCtx->msgLength

* Replace some enums

* TEXT_STATE_CLOSING

* use enum on switches

* use enum when assigning to a variable

* some minor cleanups

* minor cleanup

* TEXT_STATE_CHOICE

* remove unused temp

* z64message.h and z64view.h

* steal some stuff from OoT

* add some stuff to namefixer

* fix shift

* minor doc comment

* Update MessageContext struct from andzura's branch

Co-authored-by: Andzura <11079691+Andzura@users.noreply.github.com>

* some other TextState uses I missed

* format

* statetimer in dec

* review

Co-authored-by: engineer124 <47598039+engineer124@users.noreply.github.com>

* review

Co-authored-by: Derek Hensley <hensley.derek58@gmail.com>

* review

Co-authored-by: EllipticEllipsis <elliptic.ellipsis@gmail.com>

* format

* Batch () commit

Co-authored-by: EllipticEllipsis <elliptic.ellipsis@gmail.com>

* review

Co-authored-by: EllipticEllipsis <elliptic.ellipsis@gmail.com>

* format

* bss

* use text state defines on new actors

* fix matching

* bss

Co-authored-by: Andzura <11079691+Andzura@users.noreply.github.com>
Co-authored-by: engineer124 <47598039+engineer124@users.noreply.github.com>
Co-authored-by: Derek Hensley <hensley.derek58@gmail.com>
Co-authored-by: EllipticEllipsis <elliptic.ellipsis@gmail.com>

src/code/z_actor.c

@@ -1886,7 +1886,7 @@ s32 func_800B863C(Actor* actor, PlayState* play) {
 }
 
 s32 Actor_TextboxIsClosing(Actor* actor, PlayState* play) {
-    if (Message_GetState(&play->msgCtx) == 2) {
+    if (Message_GetState(&play->msgCtx) == TEXT_STATE_CLOSING) {
         actor->flags &= ~ACTOR_FLAG_100;
         return true;
     }