1 files changed, 13 insertions, 2 deletions
diff --git a/src/tile_types.c b/src/tile_types.c
index fe28d9d..cad63fa 100644
--- a/src/tile_types.c
+++ b/src/tile_types.c
@@ -82,8 +82,6 @@ const u8 gDungeonWaterType[] = {
     DUNGEON_WATER_TYPE_NONE,
 };
 
-extern bool8 IsWaterTileset();
-
 bool8 IsTileGround(struct MapTile* tile)
 {
     bool8 isGround = FALSE;
@@ -101,3 +99,16 @@ bool8 IsTileGround(struct MapTile* tile)
     }
     return isGround;
 }
+
+bool8 IsWaterTileset()
+{
+    if (gDungeonGlobalData->tileset == 0 ||
+        gDungeonGlobalData->tileset == 0x31 ||
+        gDungeonGlobalData->tileset == 0x20 ||
+        gDungeonGlobalData->tileset == 0x21 ||
+        gDungeonGlobalData->tileset == 0x36)
+    {
+        return TRUE;
+    }
+    return FALSE;
+}