1 files changed, 5 insertions, 0 deletions
diff --git a/include/global.fieldmap.h b/include/global.fieldmap.h
index 41b8539ff..a1e752415 100644
--- a/include/global.fieldmap.h
+++ b/include/global.fieldmap.h
@@ -36,6 +36,11 @@ struct Tileset
     /*0x14*/ TilesetCB callback;
 };
 
+// Tilesets do not actually have s strict width.
+// This constant is simply used for the offset between rows of metatiles for
+// large tiles, such as the Battle Pike's curtain tile.
+#define TILESET_WIDTH 8
+
 struct MapLayout
 {
     /*0x00*/ s32 width;