2 files changed, 8 insertions, 0 deletions
diff --git a/include/fieldmap.h b/include/fieldmap.h
index 530e15798..1aa99031d 100644
--- a/include/fieldmap.h
+++ b/include/fieldmap.h
@@ -2,6 +2,7 @@
 #define GUARD_FIELDMAP2_H
 #include "field_map_obj.h"
 
+extern struct BackupMapData gUnknown_03004870;
 struct MapHeader *mapconnection_get_mapheader(struct MapConnection *connection);
 int GetMapBorderIdAt(int x, int y);
 extern bool8 IsMetatileDirectionallyImpassable(struct MapObject *mapObject, s16 x, s16 y, u8 direction);
diff --git a/include/global.fieldmap.h b/include/global.fieldmap.h
index 0b72bbec5..62b699e67 100644
--- a/include/global.fieldmap.h
+++ b/include/global.fieldmap.h
@@ -63,6 +63,13 @@ struct MapData
     struct Tileset *secondaryTileset;
 };
 
+struct BackupMapData
+{
+    s32 width;
+    s32 height;
+    u16 *map;
+};
+
 struct MapObjectTemplate
 {
     /*0x00*/ u8 localId;