through sub_8059250

include/fieldmap.h

@@ -3,6 +3,12 @@
 
 #include "global.h"
 
+#define NUM_TILES_IN_PRIMARY 512
+#define NUM_TILES_TOTAL 1024
+#define NUM_METATILES_IN_PRIMARY 512
+#define NUM_METATILES_TOTAL 1024
+#define NUM_PALS_IN_PRIMARY 6
+#define NUM_PALS_TOTAL 13
 #define VIRTUAL_MAP_SIZE 0x2800
 
 extern struct MapCoords {
@@ -18,6 +24,6 @@ void GetCameraCoords(u16*, u16*);
 bool8 MapGridIsImpassableAt(s32, s32);
 s32 GetMapBorderIdAt(s16, s16);
 bool32 CanCameraMoveInDirection(u8);
-u16 GetBehaviorByMetatileId(u16 metatileId);
+u32 GetBehaviorByMetatileIdAndMapData(struct MapData *mapData, u16 metatile, u8 attr);
 
 #endif //GUARD_FIELDMAP_H

include/global.fieldmap.h

@@ -51,8 +51,8 @@ struct Tileset
     /*0x04*/ void *tiles;
     /*0x08*/ void *palettes;
     /*0x0c*/ void *metatiles;
-    /*0x10*/ void *metatileAttributes;
     /*0x14*/ TilesetCB callback;
+    /*0x10*/ void *metatileAttributes;
 };
 
 struct MapData

include/global.h

@@ -328,7 +328,8 @@ struct SaveBlock2
     /*0x0AC*/ u8 filler_AC[0x3F4];
     /*0x4A0*/ u32 unk_4A0[0x2F];
     /*0x55c*/ struct UnkSaveBlock2Substruct_55C unk_55C;
-    /*0x574*/ u8 filler_574[0x524];
+    /*0x574*/ u8 filler_574[0x324];
+    /*0x898*/ u16 mapView[0x100];
     /*0xA98*/ struct LinkBattleRecords linkBattleRecords;
     /*0xAF0*/ struct BerryCrush berryCrush;
     /*0xB00*/ u8 filler_B00[0x420];