Add constants for flags and vars

src/field_special_scene.c

@@ -300,8 +300,8 @@ void Task_HandlePorthole(u8 taskId)
         }
         break;
     case EXIT_PORTHOLE: // exit porthole.
-        FlagClear(0x4001);
-        FlagClear(0x4000);
+        FlagClear(FLAG_SPECIAL_FLAG_0x4001);
+        FlagClear(FLAG_SPECIAL_FLAG_0x4000);
         SetWarpDestinationToDynamicWarp(0);
         DoDiveWarp();
         DestroyTask(taskId);
@@ -315,7 +315,7 @@ void sub_80FB6EC(void)
 
     gSprites[spriteId].coordOffsetEnabled = FALSE;
 
-    if (VarGet(0x40B4) == 2)
+    if (VarGet(VAR_PORTHOLE_STATE) == 2)
     {
         StartSpriteAnim(&gSprites[spriteId], GetFaceDirectionAnimNum(4));
     }
@@ -337,8 +337,8 @@ void sub_80FB768(void)
 void sub_80FB7A4(void)
 {
     FlagSet(FLAG_SYS_CRUISE_MODE);
-    FlagSet(0x4001);
-    FlagSet(0x4000);
+    FlagSet(FLAG_SPECIAL_FLAG_0x4001);
+    FlagSet(FLAG_SPECIAL_FLAG_0x4000);
     SetDynamicWarp(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
     sub_80FB59C();
     sub_80AF8B8();