added RoomID enum

src/game.c

@@ -31,6 +31,7 @@
 #include "itemMetaData.h"
 #include "player.h"
 #include "transitions.h"
+#include "roomid.h"
 
 // Game task
 
@@ -195,7 +196,7 @@ typedef struct {
 
 typedef struct {
     u8 area;
-    u8 room;
+    RoomID room : 8;
     u8 _2;
     u8 _3;
     u16 x;

src/title.c

@@ -79,7 +79,7 @@ static const SaveFile gDemoSave = {
     .name = "\x97\x7f\xdd",
     .saved_status = {
         .area_next = AREA_DEEPWOOD_SHRINE,
-        .room_next = 0xb,
+        .room_next = ROOM_DEEPWOOD_SHRINE_b,
         .start_pos_x = 0xa8,
         .start_pos_y = 0xc8,
         .layer = 1,