Decompile z_kankyo (#956)

* working

* start color switch

* progress

* progress

* progress on bgm func

* progress

* game over matched (except the rodata meme)

* start update

* progress

* lightning docs done

* progress

* progress

* progress

* progress

* progress

* can compile at least

* suns state, progress on kankyo_update

* some new names

* progress

* progress

* progress

* new functions

* cleanup

* more matches

* another match

* now functional

* format

* better match

* hugely improved update

* cleanup/review

* remove old changes

* review2

* review3

* missed one

* review4

* change asm filenames

* update doorwarp1

* review5

* Kankyo_ -> Environment_

* format

* merge master and format functions.h

Co-authored-by: Jacob Young <jacobly0@users.noreply.github.com>
Co-authored-by: fig <fig02srl@gmail.com>
Co-authored-by: petrie911 <pmontag@DESKTOP-LG8A167.localdomain>

src/code/z_map_exp.c

@@ -212,8 +212,8 @@ void Map_InitRoomData(GlobalContext* globalCtx, s16 room) {
         interfaceCtx->mapRoomNum = 0;
     }
 
-    if (gSaveContext.unk_1422 != 2) {
-        gSaveContext.unk_1422 = 0;
+    if (gSaveContext.sunsSongState != SUNSSONG_SPEED_TIME) {
+        gSaveContext.sunsSongState = SUNSSONG_INACTIVE;
     }
 }
 
@@ -559,7 +559,7 @@ void Map_Update(GlobalContext* globalCtx) {
                         osSyncPrintf("階層切替＝%x\n", interfaceCtx->mapRoomNum);
                         osSyncPrintf(VT_RST);
                         Map_InitData(globalCtx, interfaceCtx->mapRoomNum);
-                        gSaveContext.unk_1422 = 0;
+                        gSaveContext.sunsSongState = SUNSSONG_INACTIVE;
                         Map_SavePlayerInitialInfo(globalCtx);
                     }
                 }