Add config to disable OW_AUTO_SIGNPOST

include/config/overworld.h

@@ -3,6 +3,7 @@
 
 // Movement config
 #define OW_RUNNING_INDOORS          GEN_LATEST  // In Gen4+, players are allowed to run indoors.
+#define OW_AUTO_SIGNPOST            FALSE       // When the tile that the player is facing has MB_SIGNPOST, the player will automatically read the signpoost.
 
 // Other settings
 #define OW_POISON_DAMAGE                GEN_LATEST // In Gen4, Pokémon no longer faint from Poison in the overworld. In Gen5+, they no longer take damage at all.

include/constants/metatile_behaviors.h

@@ -30,7 +30,11 @@
 #define MB_UNUSED_SOOTOPOLIS_DEEP_WATER_2 0x1A
 #define MB_STAIRS_OUTSIDE_ABANDONED_SHIP 0x1B
 #define MB_SHOAL_CAVE_ENTRANCE 0x1C
+#if OW_AUTO_SIGNPOST == TRUE
 #define MB_SIGNPOST 0x1D
+#else
+#define MB_UNUSED_1D 0x1D
+#endif
 #define MB_UNUSED_1E 0x1E
 #define MB_UNUSED_1F 0x1F
 #define MB_ICE 0x20

src/metatile_behavior.c

@@ -125,7 +125,9 @@ static const u8 sTileBitAttributes[NUM_METATILE_BEHAVIORS] =
     [MB_ISOLATED_HORIZONTAL_RAIL]        = TILE_FLAG_UNUSED,
     [MB_VERTICAL_RAIL]                   = TILE_FLAG_UNUSED,
     [MB_HORIZONTAL_RAIL]                 = TILE_FLAG_UNUSED,
+#if OW_AUTO_SIGNPOST == TRUE
     [MB_SIGNPOST]                        = TILE_FLAG_UNUSED,
+#endif
 };
 
 bool8 MetatileBehavior_IsATile(u8 metatileBehavior)
@@ -1404,6 +1406,10 @@ bool8 MetatileBehavior_IsTrainerHillTimer(u8 metatileBehavior)
 
 bool8 MetatileBehavior_IsSignpost(u8 mb)
 {
+#if OW_AUTO_SIGNPOST == TRUE
     return (mb == MB_SIGNPOST);
+#else
+	return FALSE;
+#endif
 }