#ifndef GUARD_FIELDMAP2_H
#define GUARD_FIELDMAP2_H
#include "event_object_movement.h"

#define NUM_TILES_IN_PRIMARY 512 // NOTE: CopyTilesetToVram assumes the number of primary and secondary tiles is the same
#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 12
#define MAX_MAP_DATA_SIZE 0x2800

#define NUM_TILES_PER_METATILE 8

// Map coordinates are offset by 7 when using the map
// buffer because it needs to load sufficient border
// metatiles to fill the player's view (the player has
// 7 metatiles of view horizontally in either direction).
#define MAP_OFFSET 7
#define MAP_OFFSET_W (MAP_OFFSET * 2 + 1)
#define MAP_OFFSET_H (MAP_OFFSET * 2)

extern struct BackupMapLayout gBackupMapLayout;

u32 MapGridGetMetatileIdAt(int x, int y);
u32 MapGridGetMetatileBehaviorAt(int x, int y);
void MapGridSetMetatileIdAt(int x, int y, u16 metatile);
void MapGridSetMetatileEntryAt(int x, int y, u16 metatile);
void GetCameraCoords(u16 * x, u16 * y);
u8 MapGridGetCollisionAt(int x, int y);
int GetMapBorderIdAt(int x, int y);
bool32 CanCameraMoveInDirection(int direction);
u16 GetMetatileAttributesById(u16 metatile);
void GetCameraFocusCoords(u16 *x, u16 *y);
u8 MapGridGetMetatileLayerTypeAt(int x, int y);
u8 MapGridGetElevationAt(int x, int y);
bool8 CameraMove(int x, int y);
void SaveMapView(void);
void SetCameraFocusCoords(u16 x, u16 y);
void InitMap(void);
void InitMapFromSavedGame(void);
void CopyMapTilesetsToVram(struct MapLayout const *mapLayout);
void LoadMapTilesetPalettes(struct MapLayout const *mapLayout);
void LoadSecondaryTilesetPalette(struct MapLayout const *mapLayout);
void CopyPrimaryTilesetToVram(const struct MapLayout *);
void CopySecondaryTilesetToVram(const struct MapLayout *);
const struct MapHeader *const GetMapHeaderFromConnection(const struct MapConnection *connection);
const struct MapConnection *GetMapConnectionAtPos(s16 x, s16 y);

#endif